- *
- * jquery.verto.js - Main interface
- *
- */
-
-(function($) {
- var sources = [];
-
- var generateGUID = (typeof(window.crypto) !== 'undefined' && typeof(window.crypto.getRandomValues) !== 'undefined') ?
- function() {
- // If we have a cryptographically secure PRNG, use that
- // http://stackoverflow.com/questions/6906916/collisions-when-generating-uuids-in-javascript
- var buf = new Uint16Array(8);
- window.crypto.getRandomValues(buf);
- var S4 = function(num) {
- var ret = num.toString(16);
- while (ret.length < 4) {
- ret = "0" + ret;
- }
- return ret;
- };
- return (S4(buf[0]) + S4(buf[1]) + "-" + S4(buf[2]) + "-" + S4(buf[3]) + "-" + S4(buf[4]) + "-" + S4(buf[5]) + S4(buf[6]) + S4(buf[7]));
- }
-
- :
-
- function() {
- // Otherwise, just use Math.random
- // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/2117523#2117523
- return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
- var r = Math.random() * 16 | 0,
- v = c == 'x' ? r : (r & 0x3 | 0x8);
- return v.toString(16);
- });
- };
-
- /// MASTER OBJ
- $.verto = function(options, callbacks) {
- var verto = this;
-
- $.verto.saved.push(verto);
-
- verto.options = $.extend({
- login: null,
- passwd: null,
- socketUrl: null,
- tag: null,
- localTag: null,
- videoParams: {},
- audioParams: {},
- loginParams: {},
- deviceParams: {onResCheck: null},
- userVariables: {},
- iceServers: false,
- ringSleep: 6000,
- sessid: null,
- useStream: null
- }, options);
-
- if (verto.options.deviceParams.useCamera) {
- $.FSRTC.getValidRes(verto.options.deviceParams.useCamera, verto.options.deviceParams.onResCheck);
- }
-
- if (!verto.options.deviceParams.useMic) {
- verto.options.deviceParams.useMic = "any";
- }
-
- if (!verto.options.deviceParams.useSpeak) {
- verto.options.deviceParams.useSpeak = "any";
- }
-
- if (verto.options.sessid) {
- verto.sessid = verto.options.sessid;
- } else {
- verto.sessid = localStorage.getItem("verto_session_uuid") || generateGUID();
- localStorage.setItem("verto_session_uuid", verto.sessid);
- }
-
- verto.dialogs = {};
- verto.callbacks = callbacks || {};
- verto.eventSUBS = {};
-
- verto.rpcClient = new $.JsonRpcClient({
- login: verto.options.login,
- passwd: verto.options.passwd,
- socketUrl: verto.options.socketUrl,
- wsFallbackURL: verto.options.wsFallbackURL,
- turnServer: verto.options.turnServer,
- loginParams: verto.options.loginParams,
- userVariables: verto.options.userVariables,
- sessid: verto.sessid,
- onmessage: function(e) {
- return verto.handleMessage(e.eventData);
- },
- onWSConnect: function(o) {
- o.call('login', {});
- },
- onWSLogin: function(success) {
- if (verto.callbacks.onWSLogin) {
- verto.callbacks.onWSLogin(verto, success);
- }
- },
- onWSClose: function(success) {
- if (verto.callbacks.onWSClose) {
- verto.callbacks.onWSClose(verto, success);
- }
- verto.purge();
- }
- });
-
- var tag = verto.options.tag;
- if (typeof(tag) === "function") {
- tag = tag();
- }
-
- if (verto.options.ringFile && verto.options.tag) {
- verto.ringer = $("#" + tag);
- }
-
- verto.rpcClient.call('login', {});
-
- };
-
-
- $.verto.prototype.deviceParams = function(obj) {
- var verto = this;
-
- for (var i in obj) {
- verto.options.deviceParams[i] = obj[i];
- }
-
- if (obj.useCamera) {
- $.FSRTC.getValidRes(verto.options.deviceParams.useCamera, obj ? obj.onResCheck : undefined);
- }
- };
-
- $.verto.prototype.videoParams = function(obj) {
- var verto = this;
-
- for (var i in obj) {
- verto.options.videoParams[i] = obj[i];
- }
- };
-
- $.verto.prototype.iceServers = function(obj) {
- var verto = this;
- verto.options.iceServers = obj;
- };
-
- $.verto.prototype.loginData = function(params) {
- var verto = this;
- verto.options.login = params.login;
- verto.options.passwd = params.passwd;
- verto.rpcClient.loginData(params);
- };
-
- $.verto.prototype.logout = function(msg) {
- var verto = this;
- verto.rpcClient.closeSocket();
- if (verto.callbacks.onWSClose) {
- verto.callbacks.onWSClose(verto, false);
- }
- verto.purge();
- };
-
- $.verto.prototype.login = function(msg) {
- var verto = this;
- verto.logout();
- verto.rpcClient.call('login', {});
- };
-
- $.verto.prototype.message = function(msg) {
- var verto = this;
- var err = 0;
-
- if (!msg.to) {
- console.error("Missing To");
- err++;
- }
-
- if (!msg.body) {
- console.error("Missing Body");
- err++;
- }
-
- if (err) {
- return false;
- }
-
- verto.sendMethod("verto.info", {
- msg: msg
- });
-
- return true;
- };
-
- $.verto.prototype.processReply = function(method, success, e) {
- var verto = this;
- var i;
-
- //console.log("Response: " + method, success, e);
-
- switch (method) {
- case "verto.subscribe":
- for (i in e.unauthorizedChannels) {
- drop_bad(verto, e.unauthorizedChannels[i]);
- }
- for (i in e.subscribedChannels) {
- mark_ready(verto, e.subscribedChannels[i]);
- }
-
- break;
- case "verto.unsubscribe":
- //console.error(e);
- break;
- }
- };
-
- $.verto.prototype.sendMethod = function(method, params) {
- var verto = this;
-
- verto.rpcClient.call(method, params,
-
- function(e) {
- /* Success */
- verto.processReply(method, true, e);
- },
-
- function(e) {
- /* Error */
- verto.processReply(method, false, e);
- });
- };
-
- function do_sub(verto, channel, obj) {
-
- }
-
- function drop_bad(verto, channel) {
- console.error("drop unauthorized channel: " + channel);
- delete verto.eventSUBS[channel];
- }
-
- function mark_ready(verto, channel) {
- for (var j in verto.eventSUBS[channel]) {
- verto.eventSUBS[channel][j].ready = true;
- console.log("subscribed to channel: " + channel);
- if (verto.eventSUBS[channel][j].readyHandler) {
- verto.eventSUBS[channel][j].readyHandler(verto, channel);
- }
- }
- }
-
- var SERNO = 1;
-
- function do_subscribe(verto, channel, subChannels, sparams) {
- var params = sparams || {};
-
- var local = params.local;
-
- var obj = {
- eventChannel: channel,
- userData: params.userData,
- handler: params.handler,
- ready: false,
- readyHandler: params.readyHandler,
- serno: SERNO++
- };
-
- var isnew = false;
-
- if (!verto.eventSUBS[channel]) {
- verto.eventSUBS[channel] = [];
- subChannels.push(channel);
- isnew = true;
- }
-
- verto.eventSUBS[channel].push(obj);
-
- if (local) {
- obj.ready = true;
- obj.local = true;
- }
-
- if (!isnew && verto.eventSUBS[channel][0].ready) {
- obj.ready = true;
- if (obj.readyHandler) {
- obj.readyHandler(verto, channel);
- }
- }
-
- return {
- serno: obj.serno,
- eventChannel: channel
- };
-
- }
-
- $.verto.prototype.subscribe = function(channel, sparams) {
- var verto = this;
- var r = [];
- var subChannels = [];
- var params = sparams || {};
-
- if (typeof(channel) === "string") {
- r.push(do_subscribe(verto, channel, subChannels, params));
- } else {
- for (var i in channel) {
- r.push(do_subscribe(verto, channel, subChannels, params));
- }
- }
-
- if (subChannels.length) {
- verto.sendMethod("verto.subscribe", {
- eventChannel: subChannels.length == 1 ? subChannels[0] : subChannels,
- subParams: params.subParams
- });
- }
-
- return r;
- };
-
- $.verto.prototype.unsubscribe = function(handle) {
- var verto = this;
- var i;
-
- if (!handle) {
- for (i in verto.eventSUBS) {
- if (verto.eventSUBS[i]) {
- verto.unsubscribe(verto.eventSUBS[i]);
- }
- }
- } else {
- var unsubChannels = {};
- var sendChannels = [];
- var channel;
-
- if (typeof(handle) == "string") {
- delete verto.eventSUBS[handle];
- unsubChannels[handle]++;
- } else {
- for (i in handle) {
- if (typeof(handle[i]) == "string") {
- channel = handle[i];
- delete verto.eventSUBS[channel];
- unsubChannels[channel]++;
- } else {
- var repl = [];
- channel = handle[i].eventChannel;
-
- for (var j in verto.eventSUBS[channel]) {
- if (verto.eventSUBS[channel][j].serno == handle[i].serno) {} else {
- repl.push(verto.eventSUBS[channel][j]);
- }
- }
-
- verto.eventSUBS[channel] = repl;
-
- if (verto.eventSUBS[channel].length === 0) {
- delete verto.eventSUBS[channel];
- unsubChannels[channel]++;
- }
- }
- }
- }
-
- for (var u in unsubChannels) {
- console.log("Sending Unsubscribe for: ", u);
- sendChannels.push(u);
- }
-
- if (sendChannels.length) {
- verto.sendMethod("verto.unsubscribe", {
- eventChannel: sendChannels.length == 1 ? sendChannels[0] : sendChannels
- });
- }
- }
- };
-
- $.verto.prototype.broadcast = function(channel, params) {
- var verto = this;
- var msg = {
- eventChannel: channel,
- data: {}
- };
- for (var i in params) {
- msg.data[i] = params[i];
- }
- verto.sendMethod("verto.broadcast", msg);
- };
-
- $.verto.prototype.purge = function(callID) {
- var verto = this;
- var x = 0;
- var i;
-
- for (i in verto.dialogs) {
- if (!x) {
- console.log("purging dialogs");
- }
- x++;
- verto.dialogs[i].setState($.verto.enum.state.purge);
- }
-
- for (i in verto.eventSUBS) {
- if (verto.eventSUBS[i]) {
- console.log("purging subscription: " + i);
- delete verto.eventSUBS[i];
- }
- }
- };
-
- $.verto.prototype.hangup = function(callID) {
- var verto = this;
- if (callID) {
- var dialog = verto.dialogs[callID];
-
- if (dialog) {
- dialog.hangup();
- }
- } else {
- for (var i in verto.dialogs) {
- verto.dialogs[i].hangup();
- }
- }
- };
-
- $.verto.prototype.newCall = function(args, callbacks) {
- var verto = this;
-
- if (!verto.rpcClient.socketReady()) {
- console.error("Not Connected...");
- return;
- }
-
- if (args["useCamera"]) {
- verto.options.deviceParams["useCamera"] = args["useCamera"];
- }
-
- var dialog = new $.verto.dialog($.verto.enum.direction.outbound, this, args);
-
- if (callbacks) {
- dialog.callbacks = callbacks;
- }
-
- dialog.invite();
-
- return dialog;
- };
-
- $.verto.prototype.handleMessage = function(data) {
- var verto = this;
-
- if (!(data && data.method)) {
- console.error("Invalid Data", data);
- return;
- }
-
- if (data.params.callID) {
- var dialog = verto.dialogs[data.params.callID];
-
- if (data.method === "verto.attach" && dialog) {
- delete dialog.verto.dialogs[dialog.callID];
- dialog.rtc.stop();
- dialog = null;
- }
-
- if (dialog) {
-
- switch (data.method) {
- case 'verto.bye':
- dialog.hangup(data.params);
- break;
- case 'verto.answer':
- dialog.handleAnswer(data.params);
- break;
- case 'verto.media':
- dialog.handleMedia(data.params);
- break;
- case 'verto.display':
- dialog.handleDisplay(data.params);
- break;
- case 'verto.info':
- dialog.handleInfo(data.params);
- break;
- default:
- console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED", dialog, data.method);
- break;
- }
- } else {
-
- switch (data.method) {
- case 'verto.attach':
- data.params.attach = true;
-
- if (data.params.sdp && data.params.sdp.indexOf("m=video") > 0) {
- data.params.useVideo = true;
- }
-
- if (data.params.sdp && data.params.sdp.indexOf("stereo=1") > 0) {
- data.params.useStereo = true;
- }
-
- dialog = new $.verto.dialog($.verto.enum.direction.inbound, verto, data.params);
- dialog.setState($.verto.enum.state.recovering);
-
- break;
- case 'verto.invite':
-
- if (data.params.sdp && data.params.sdp.indexOf("m=video") > 0) {
- data.params.wantVideo = true;
- }
-
- if (data.params.sdp && data.params.sdp.indexOf("stereo=1") > 0) {
- data.params.useStereo = true;
- }
-
- dialog = new $.verto.dialog($.verto.enum.direction.inbound, verto, data.params);
- break;
- default:
- console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED");
- break;
- }
- }
-
- return {
- method: data.method
- };
- } else {
- switch (data.method) {
- case 'verto.punt':
- verto.purge();
- verto.logout();
- break;
- case 'verto.event':
- var list = null;
- var key = null;
-
- if (data.params) {
- key = data.params.eventChannel;
- }
-
- if (key) {
- list = verto.eventSUBS[key];
-
- if (!list) {
- list = verto.eventSUBS[key.split(".")[0]];
- }
- }
-
- if (!list && key && key === verto.sessid) {
- if (verto.callbacks.onMessage) {
- verto.callbacks.onMessage(verto, null, $.verto.enum.message.pvtEvent, data.params);
- }
- } else if (!list && key && verto.dialogs[key]) {
- verto.dialogs[key].sendMessage($.verto.enum.message.pvtEvent, data.params);
- } else if (!list) {
- if (!key) {
- key = "UNDEFINED";
- }
- console.error("UNSUBBED or invalid EVENT " + key + " IGNORED");
- } else {
- for (var i in list) {
- var sub = list[i];
-
- if (!sub || !sub.ready) {
- console.error("invalid EVENT for " + key + " IGNORED");
- } else if (sub.handler) {
- sub.handler(verto, data.params, sub.userData);
- } else if (verto.callbacks.onEvent) {
- verto.callbacks.onEvent(verto, data.params, sub.userData);
- } else {
- console.log("EVENT:", data.params);
- }
- }
- }
-
- break;
-
- case "verto.info":
- if (verto.callbacks.onMessage) {
- verto.callbacks.onMessage(verto, null, $.verto.enum.message.info, data.params.msg);
- }
- //console.error(data);
- console.debug("MESSAGE from: " + data.params.msg.from, data.params.msg.body);
-
- break;
-
- case 'verto.clientReady':
- if (verto.callbacks.onMessage) {
- verto.callbacks.onMessage(verto, null, $.verto.enum.message.clientReady, data.params);
- }
- console.debug("CLIENT READY", data.params);
- break;
-
- default:
- console.error("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED", data.method);
- break;
- }
- }
- };
-
- var del_array = function(array, name) {
- var r = [];
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- if (array[i] != name) {
- r.push(array[i]);
- }
- }
-
- return r;
- };
-
- var hashArray = function() {
- var vha = this;
-
- var hash = {};
- var array = [];
-
- vha.reorder = function(a) {
- array = a;
- var h = hash;
- hash = {};
-
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- var key = array[i];
- if (h[key]) {
- hash[key] = h[key];
- delete h[key];
- }
- }
- h = undefined;
- };
-
- vha.clear = function() {
- hash = undefined;
- array = undefined;
- hash = {};
- array = [];
- };
-
- vha.add = function(name, val, insertAt) {
- var redraw = false;
-
- if (!hash[name]) {
- if (insertAt === undefined || insertAt < 0 || insertAt >= array.length) {
- array.push(name);
- } else {
- var x = 0;
- var n = [];
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- if (x++==insertAt) {
- n.push(name);
- }
- n.push(array[i]);
- }
-
- array = undefined;
- array = n;
- n = undefined;
- redraw = true;
- }
- }
-
- hash[name] = val;
-
- return redraw;
- };
-
- vha.del = function(name) {
- var r = false;
-
- if (hash[name]) {
- array = del_array(array, name);
- delete hash[name];
- r = true;
- } else {
- console.error("can't del nonexistant key " + name);
- }
-
- return r;
- };
-
- vha.get = function(name) {
- return hash[name];
- };
-
- vha.order = function() {
- return array;
- };
-
- vha.hash = function() {
- return hash;
- };
-
- vha.indexOf = function(name) {
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- if (array[i] == name) {
- return i;
- }
- }
- };
-
- vha.arrayLen = function() {
- return array.length;
- };
-
- vha.asArray = function() {
- var r = [];
-
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- var key = array[i];
- r.push(hash[key]);
- }
-
- return r;
- };
-
- vha.each = function(cb) {
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- cb(array[i], hash[array[i]]);
- }
- };
-
- vha.dump = function(html) {
- var str = "";
-
- vha.each(function(name, val) {
- str += "name: " + name + " val: " + JSON.stringify(val) + (html ? "Play " +
- "Stop " +
- "Record " +
- "Record Stop " +
- (confMan.params.hasVid ? "PNG Snapshot " : "") +
- "
";
-
- jq.html(html);
-
- $.verto.modfuncs.change_video_layout = function(id, canvas_id) {
- var val = $("#" + id + " option:selected").text();
- if (val !== "none") {
- confMan.modCommand("vid-layout", null, [val, canvas_id]);
- }
- };
-
- if (confMan.params.hasVid) {
- for (var j = 0; j < confMan.canvasCount; j++) {
- var vlayout_id = "confman_vid_layout_" + j + "_" + confMan.serno;
- var vlselect_id = "confman_vl_select_" + j + "_" + confMan.serno;
-
-
- var vlhtml = "Video Layout Canvas " + (j+1) +
- "
";
- jq.append(vlhtml);
- }
-
- $("#" + snapshot_id).click(function() {
- var file = prompt("Please enter file name", "");
- if (file) {
- confMan.modCommand("vid-write-png", null, file);
- }
- });
- }
-
- $("#" + play_id).click(function() {
- var file = prompt("Please enter file name", "");
- if (file) {
- confMan.modCommand("play", null, file);
- }
- });
-
- $("#" + stop_id).click(function() {
- confMan.modCommand("stop", null, "all");
- });
-
- $("#" + recording_id).click(function() {
- var file = prompt("Please enter file name", "");
- if (file) {
- confMan.modCommand("recording", null, ["start", file]);
- }
- });
-
- $("#" + rec_stop_id).click(function() {
- confMan.modCommand("recording", null, ["stop", "all"]);
- });
-
- }
-
- function genControls(jq, rowid) {
- var x = parseInt(rowid);
- var kick_id = "kick_" + x;
- var canvas_in_next_id = "canvas_in_next_" + x;
- var canvas_in_prev_id = "canvas_in_prev_" + x;
- var canvas_out_next_id = "canvas_out_next_" + x;
- var canvas_out_prev_id = "canvas_out_prev_" + x;
-
- var canvas_in_set_id = "canvas_in_set_" + x;
- var canvas_out_set_id = "canvas_out_set_" + x;
-
- var layer_set_id = "layer_set_" + x;
- var layer_next_id = "layer_next_" + x;
- var layer_prev_id = "layer_prev_" + x;
-
- var tmute_id = "tmute_" + x;
- var tvmute_id = "tvmute_" + x;
- var vbanner_id = "vbanner_" + x;
- var tvpresenter_id = "tvpresenter_" + x;
- var tvfloor_id = "tvfloor_" + x;
- var box_id = "box_" + x;
- var gainup_id = "gain_in_up" + x;
- var gaindn_id = "gain_in_dn" + x;
- var volup_id = "vol_in_up" + x;
- var voldn_id = "vol_in_dn" + x;
- var transfer_id = "transfer" + x;
-
-
- var html = "";
-
- html += "General Controls
Kick " +
- "Mute " +
- "Gain - " +
- "Gain + " +
- "Vol - " +
- "Vol + " +
- "Transfer ";
-
- if (confMan.params.hasVid) {
- html += "Video Controls VMute " +
- "Presenter " +
- "Vid Floor " +
- "Banner ";
-
- if (confMan.canvasCount > 1) {
- html += "Canvas Controls Set Input Canvas " +
- "Prev Input Canvas " +
- "Next Input Canvas " +
-
- "Set Watching Canvas " +
- "Prev Watching Canvas " +
- "Next Watching Canvas ";
- }
-
- html += "Set Layer " +
- "Prev Layer " +
- "Next Layer " +
-
-
-
- "";
- }
-
- jq.html(html);
-
-
- if (!jq.data("mouse")) {
- $("#" + box_id).hide();
- }
-
- jq.mouseover(function(e) {
- jq.data({"mouse": true});
- $("#" + box_id).show();
- });
-
- jq.mouseout(function(e) {
- jq.data({"mouse": false});
- $("#" + box_id).hide();
- });
-
- $("#" + transfer_id).click(function() {
- var xten = prompt("Enter Extension");
- if (xten) {
- confMan.modCommand("transfer", x, xten);
- }
- });
-
- $("#" + kick_id).click(function() {
- confMan.modCommand("kick", x);
- });
-
-
- $("#" + layer_set_id).click(function() {
- var cid = prompt("Please enter layer ID", "");
- if (cid) {
- confMan.modCommand("vid-layer", x, cid);
- }
- });
-
- $("#" + layer_next_id).click(function() {
- confMan.modCommand("vid-layer", x, "next");
- });
- $("#" + layer_prev_id).click(function() {
- confMan.modCommand("vid-layer", x, "prev");
- });
-
- $("#" + canvas_in_set_id).click(function() {
- var cid = prompt("Please enter canvas ID", "");
- if (cid) {
- confMan.modCommand("vid-canvas", x, cid);
- }
- });
-
- $("#" + canvas_out_set_id).click(function() {
- var cid = prompt("Please enter canvas ID", "");
- if (cid) {
- confMan.modCommand("vid-watching-canvas", x, cid);
- }
- });
-
- $("#" + canvas_in_next_id).click(function() {
- confMan.modCommand("vid-canvas", x, "next");
- });
- $("#" + canvas_in_prev_id).click(function() {
- confMan.modCommand("vid-canvas", x, "prev");
- });
-
-
- $("#" + canvas_out_next_id).click(function() {
- confMan.modCommand("vid-watching-canvas", x, "next");
- });
- $("#" + canvas_out_prev_id).click(function() {
- confMan.modCommand("vid-watching-canvas", x, "prev");
- });
-
- $("#" + tmute_id).click(function() {
- confMan.modCommand("tmute", x);
- });
-
- if (confMan.params.hasVid) {
- $("#" + tvmute_id).click(function() {
- confMan.modCommand("tvmute", x);
- });
- $("#" + tvpresenter_id).click(function() {
- confMan.modCommand("vid-res-id", x, "presenter");
- });
- $("#" + tvfloor_id).click(function() {
- confMan.modCommand("vid-floor", x, "force");
- });
- $("#" + vbanner_id).click(function() {
- var text = prompt("Please enter text", "");
- if (text) {
- confMan.modCommand("vid-banner", x, escape(text));
- }
- });
- }
-
- $("#" + gainup_id).click(function() {
- confMan.modCommand("volume_in", x, "up");
- });
-
- $("#" + gaindn_id).click(function() {
- confMan.modCommand("volume_in", x, "down");
- });
-
- $("#" + volup_id).click(function() {
- confMan.modCommand("volume_out", x, "up");
- });
-
- $("#" + voldn_id).click(function() {
- confMan.modCommand("volume_out", x, "down");
- });
-
- return html;
- }
-
- var atitle = "";
- var awidth = 0;
-
- //$(".jsDataTable").width(confMan.params.hasVid ? "900px" : "800px");
-
- verto.subscribe(confMan.params.laData.infoChannel, {
- handler: function(v, e) {
- if (typeof(confMan.params.infoCallback) === "function") {
- confMan.params.infoCallback(v,e);
- }
- }
- });
-
- verto.subscribe(confMan.params.laData.chatChannel, {
- handler: function(v, e) {
- if (typeof(confMan.params.chatCallback) === "function") {
- confMan.params.chatCallback(v,e);
- }
- }
- });
-
- if (confMan.params.laData.role === "moderator") {
- atitle = "Action";
- awidth = 600;
-
- if (confMan.params.mainModID) {
- genMainMod($(confMan.params.mainModID));
- $(confMan.params.displayID).html("Moderator Controls Ready= 14393 &&
- url.indexOf('?transport=udp') === -1;
- });
-
- delete server.url;
- server.urls = isString ? urls[0] : urls;
- return !!urls.length;
- }
- });
-}
-
-// Determines the intersection of local and remote capabilities.
-function getCommonCapabilities(localCapabilities, remoteCapabilities) {
- var commonCapabilities = {
- codecs: [],
- headerExtensions: [],
- fecMechanisms: []
- };
-
- var findCodecByPayloadType = function(pt, codecs) {
- pt = parseInt(pt, 10);
- for (var i = 0; i < codecs.length; i++) {
- if (codecs[i].payloadType === pt ||
- codecs[i].preferredPayloadType === pt) {
- return codecs[i];
- }
- }
- };
-
- var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) {
- var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);
- var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);
- return lCodec && rCodec &&
- lCodec.name.toLowerCase() === rCodec.name.toLowerCase();
- };
-
- localCapabilities.codecs.forEach(function(lCodec) {
- for (var i = 0; i < remoteCapabilities.codecs.length; i++) {
- var rCodec = remoteCapabilities.codecs[i];
- if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() &&
- lCodec.clockRate === rCodec.clockRate) {
- if (lCodec.name.toLowerCase() === 'rtx' &&
- lCodec.parameters && rCodec.parameters.apt) {
- // for RTX we need to find the local rtx that has a apt
- // which points to the same local codec as the remote one.
- if (!rtxCapabilityMatches(lCodec, rCodec,
- localCapabilities.codecs, remoteCapabilities.codecs)) {
- continue;
- }
- }
- rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy
- // number of channels is the highest common number of channels
- rCodec.numChannels = Math.min(lCodec.numChannels,
- rCodec.numChannels);
- // push rCodec so we reply with offerer payload type
- commonCapabilities.codecs.push(rCodec);
-
- // determine common feedback mechanisms
- rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) {
- for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {
- if (lCodec.rtcpFeedback[j].type === fb.type &&
- lCodec.rtcpFeedback[j].parameter === fb.parameter) {
- return true;
- }
- }
- return false;
- });
- // FIXME: also need to determine .parameters
- // see https://github.com/openpeer/ortc/issues/569
- break;
- }
- }
- });
-
- localCapabilities.headerExtensions.forEach(function(lHeaderExtension) {
- for (var i = 0; i < remoteCapabilities.headerExtensions.length;
- i++) {
- var rHeaderExtension = remoteCapabilities.headerExtensions[i];
- if (lHeaderExtension.uri === rHeaderExtension.uri) {
- commonCapabilities.headerExtensions.push(rHeaderExtension);
- break;
- }
- }
- });
-
- // FIXME: fecMechanisms
- return commonCapabilities;
-}
-
-// is action=setLocalDescription with type allowed in signalingState
-function isActionAllowedInSignalingState(action, type, signalingState) {
- return {
- offer: {
- setLocalDescription: ['stable', 'have-local-offer'],
- setRemoteDescription: ['stable', 'have-remote-offer']
- },
- answer: {
- setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],
- setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']
- }
- }[type][action].indexOf(signalingState) !== -1;
-}
-
-function maybeAddCandidate(iceTransport, candidate) {
- // Edge's internal representation adds some fields therefore
- // not all fieldѕ are taken into account.
- var alreadyAdded = iceTransport.getRemoteCandidates()
- .find(function(remoteCandidate) {
- return candidate.foundation === remoteCandidate.foundation &&
- candidate.ip === remoteCandidate.ip &&
- candidate.port === remoteCandidate.port &&
- candidate.priority === remoteCandidate.priority &&
- candidate.protocol === remoteCandidate.protocol &&
- candidate.type === remoteCandidate.type;
- });
- if (!alreadyAdded) {
- iceTransport.addRemoteCandidate(candidate);
- }
- return !alreadyAdded;
-}
-
-
-// https://w3c.github.io/mediacapture-main/#mediastream
-// Helper function to add the track to the stream and
-// dispatch the event ourselves.
-function addTrackToStreamAndFireEvent(track, stream) {
- stream.addTrack(track);
- var e = new Event('addtrack'); // TODO: MediaStreamTrackEvent
- e.track = track;
- stream.dispatchEvent(e);
-}
-
-function removeTrackFromStreamAndFireEvent(track, stream) {
- stream.removeTrack(track);
- var e = new Event('removetrack'); // TODO: MediaStreamTrackEvent
- e.track = track;
- stream.dispatchEvent(e);
-}
-
-function fireAddTrack(pc, track, receiver, streams) {
- var trackEvent = new Event('track');
- trackEvent.track = track;
- trackEvent.receiver = receiver;
- trackEvent.transceiver = {receiver: receiver};
- trackEvent.streams = streams;
- window.setTimeout(function() {
- pc._dispatchEvent('track', trackEvent);
- });
-}
-
-function makeError(name, description) {
- var e = new Error(description);
- e.name = name;
- return e;
-}
-
-module.exports = function(window, edgeVersion) {
- var RTCPeerConnection = function(config) {
- var pc = this;
-
- var _eventTarget = document.createDocumentFragment();
- ['addEventListener', 'removeEventListener', 'dispatchEvent']
- .forEach(function(method) {
- pc[method] = _eventTarget[method].bind(_eventTarget);
- });
-
- this.canTrickleIceCandidates = null;
-
- this.needNegotiation = false;
-
- this.localStreams = [];
- this.remoteStreams = [];
-
- this.localDescription = null;
- this.remoteDescription = null;
-
- this.signalingState = 'stable';
- this.iceConnectionState = 'new';
- this.iceGatheringState = 'new';
-
- config = JSON.parse(JSON.stringify(config || {}));
-
- this.usingBundle = config.bundlePolicy === 'max-bundle';
- if (config.rtcpMuxPolicy === 'negotiate') {
- throw(makeError('NotSupportedError',
- 'rtcpMuxPolicy \'negotiate\' is not supported'));
- } else if (!config.rtcpMuxPolicy) {
- config.rtcpMuxPolicy = 'require';
- }
-
- switch (config.iceTransportPolicy) {
- case 'all':
- case 'relay':
- break;
- default:
- config.iceTransportPolicy = 'all';
- break;
- }
-
- switch (config.bundlePolicy) {
- case 'balanced':
- case 'max-compat':
- case 'max-bundle':
- break;
- default:
- config.bundlePolicy = 'balanced';
- break;
- }
-
- config.iceServers = filterIceServers(config.iceServers || [], edgeVersion);
-
- this._iceGatherers = [];
- if (config.iceCandidatePoolSize) {
- for (var i = config.iceCandidatePoolSize; i > 0; i--) {
- this._iceGatherers = new window.RTCIceGatherer({
- iceServers: config.iceServers,
- gatherPolicy: config.iceTransportPolicy
- });
- }
- } else {
- config.iceCandidatePoolSize = 0;
- }
-
- this._config = config;
-
- // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...
- // everything that is needed to describe a SDP m-line.
- this.transceivers = [];
-
- this._sdpSessionId = SDPUtils.generateSessionId();
- this._sdpSessionVersion = 0;
-
- this._dtlsRole = undefined; // role for a=setup to use in answers.
-
- this._isClosed = false;
- };
-
- // set up event handlers on prototype
- RTCPeerConnection.prototype.onicecandidate = null;
- RTCPeerConnection.prototype.onaddstream = null;
- RTCPeerConnection.prototype.ontrack = null;
- RTCPeerConnection.prototype.onremovestream = null;
- RTCPeerConnection.prototype.onsignalingstatechange = null;
- RTCPeerConnection.prototype.oniceconnectionstatechange = null;
- RTCPeerConnection.prototype.onicegatheringstatechange = null;
- RTCPeerConnection.prototype.onnegotiationneeded = null;
- RTCPeerConnection.prototype.ondatachannel = null;
-
- RTCPeerConnection.prototype._dispatchEvent = function(name, event) {
- if (this._isClosed) {
- return;
- }
- this.dispatchEvent(event);
- if (typeof this['on' + name] === 'function') {
- this['on' + name](event);
- }
- };
-
- RTCPeerConnection.prototype._emitGatheringStateChange = function() {
- var event = new Event('icegatheringstatechange');
- this._dispatchEvent('icegatheringstatechange', event);
- };
-
- RTCPeerConnection.prototype.getConfiguration = function() {
- return this._config;
- };
-
- RTCPeerConnection.prototype.getLocalStreams = function() {
- return this.localStreams;
- };
-
- RTCPeerConnection.prototype.getRemoteStreams = function() {
- return this.remoteStreams;
- };
-
- // internal helper to create a transceiver object.
- // (whih is not yet the same as the WebRTC 1.0 transceiver)
- RTCPeerConnection.prototype._createTransceiver = function(kind) {
- var hasBundleTransport = this.transceivers.length > 0;
- var transceiver = {
- track: null,
- iceGatherer: null,
- iceTransport: null,
- dtlsTransport: null,
- localCapabilities: null,
- remoteCapabilities: null,
- rtpSender: null,
- rtpReceiver: null,
- kind: kind,
- mid: null,
- sendEncodingParameters: null,
- recvEncodingParameters: null,
- stream: null,
- associatedRemoteMediaStreams: [],
- wantReceive: true
- };
- if (this.usingBundle && hasBundleTransport) {
- transceiver.iceTransport = this.transceivers[0].iceTransport;
- transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;
- } else {
- var transports = this._createIceAndDtlsTransports();
- transceiver.iceTransport = transports.iceTransport;
- transceiver.dtlsTransport = transports.dtlsTransport;
- }
- this.transceivers.push(transceiver);
- return transceiver;
- };
-
- RTCPeerConnection.prototype.addTrack = function(track, stream) {
- var alreadyExists = this.transceivers.find(function(s) {
- return s.track === track;
- });
-
- if (alreadyExists) {
- throw makeError('InvalidAccessError', 'Track already exists.');
- }
-
- if (this.signalingState === 'closed') {
- throw makeError('InvalidStateError',
- 'Attempted to call addTrack on a closed peerconnection.');
- }
-
- var transceiver;
- for (var i = 0; i < this.transceivers.length; i++) {
- if (!this.transceivers[i].track &&
- this.transceivers[i].kind === track.kind) {
- transceiver = this.transceivers[i];
- }
- }
- if (!transceiver) {
- transceiver = this._createTransceiver(track.kind);
- }
-
- this._maybeFireNegotiationNeeded();
-
- if (this.localStreams.indexOf(stream) === -1) {
- this.localStreams.push(stream);
- }
-
- transceiver.track = track;
- transceiver.stream = stream;
- transceiver.rtpSender = new window.RTCRtpSender(track,
- transceiver.dtlsTransport);
- return transceiver.rtpSender;
- };
-
- RTCPeerConnection.prototype.addStream = function(stream) {
- var pc = this;
- if (edgeVersion >= 15025) {
- stream.getTracks().forEach(function(track) {
- pc.addTrack(track, stream);
- });
- } else {
- // Clone is necessary for local demos mostly, attaching directly
- // to two different senders does not work (build 10547).
- // Fixed in 15025 (or earlier)
- var clonedStream = stream.clone();
- stream.getTracks().forEach(function(track, idx) {
- var clonedTrack = clonedStream.getTracks()[idx];
- track.addEventListener('enabled', function(event) {
- clonedTrack.enabled = event.enabled;
- });
- });
- clonedStream.getTracks().forEach(function(track) {
- pc.addTrack(track, clonedStream);
- });
- }
- };
-
- RTCPeerConnection.prototype.removeTrack = function(sender) {
- if (!(sender instanceof window.RTCRtpSender)) {
- throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' +
- 'does not implement interface RTCRtpSender.');
- }
-
- var transceiver = this.transceivers.find(function(t) {
- return t.rtpSender === sender;
- });
-
- if (!transceiver) {
- throw makeError('InvalidAccessError',
- 'Sender was not created by this connection.');
- }
- var stream = transceiver.stream;
-
- transceiver.rtpSender.stop();
- transceiver.rtpSender = null;
- transceiver.track = null;
- transceiver.stream = null;
-
- // remove the stream from the set of local streams
- var localStreams = this.transceivers.map(function(t) {
- return t.stream;
- });
- if (localStreams.indexOf(stream) === -1 &&
- this.localStreams.indexOf(stream) > -1) {
- this.localStreams.splice(this.localStreams.indexOf(stream), 1);
- }
-
- this._maybeFireNegotiationNeeded();
- };
-
- RTCPeerConnection.prototype.removeStream = function(stream) {
- var pc = this;
- stream.getTracks().forEach(function(track) {
- var sender = pc.getSenders().find(function(s) {
- return s.track === track;
- });
- if (sender) {
- pc.removeTrack(sender);
- }
- });
- };
-
- RTCPeerConnection.prototype.getSenders = function() {
- return this.transceivers.filter(function(transceiver) {
- return !!transceiver.rtpSender;
- })
- .map(function(transceiver) {
- return transceiver.rtpSender;
- });
- };
-
- RTCPeerConnection.prototype.getReceivers = function() {
- return this.transceivers.filter(function(transceiver) {
- return !!transceiver.rtpReceiver;
- })
- .map(function(transceiver) {
- return transceiver.rtpReceiver;
- });
- };
-
-
- RTCPeerConnection.prototype._createIceGatherer = function(sdpMLineIndex,
- usingBundle) {
- var pc = this;
- if (usingBundle && sdpMLineIndex > 0) {
- return this.transceivers[0].iceGatherer;
- } else if (this._iceGatherers.length) {
- return this._iceGatherers.shift();
- }
- var iceGatherer = new window.RTCIceGatherer({
- iceServers: this._config.iceServers,
- gatherPolicy: this._config.iceTransportPolicy
- });
- Object.defineProperty(iceGatherer, 'state',
- {value: 'new', writable: true}
- );
-
- this.transceivers[sdpMLineIndex].candidates = [];
- this.transceivers[sdpMLineIndex].bufferCandidates = function(event) {
- var end = !event.candidate || Object.keys(event.candidate).length === 0;
- // polyfill since RTCIceGatherer.state is not implemented in
- // Edge 10547 yet.
- iceGatherer.state = end ? 'completed' : 'gathering';
- if (pc.transceivers[sdpMLineIndex].candidates !== null) {
- pc.transceivers[sdpMLineIndex].candidates.push(event.candidate);
- }
- };
- iceGatherer.addEventListener('localcandidate',
- this.transceivers[sdpMLineIndex].bufferCandidates);
- return iceGatherer;
- };
-
- // start gathering from an RTCIceGatherer.
- RTCPeerConnection.prototype._gather = function(mid, sdpMLineIndex) {
- var pc = this;
- var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
- if (iceGatherer.onlocalcandidate) {
- return;
- }
- var candidates = this.transceivers[sdpMLineIndex].candidates;
- this.transceivers[sdpMLineIndex].candidates = null;
- iceGatherer.removeEventListener('localcandidate',
- this.transceivers[sdpMLineIndex].bufferCandidates);
- iceGatherer.onlocalcandidate = function(evt) {
- if (pc.usingBundle && sdpMLineIndex > 0) {
- // if we know that we use bundle we can drop candidates with
- // Ñ•dpMLineIndex > 0. If we don't do this then our state gets
- // confused since we dispose the extra ice gatherer.
- return;
- }
- var event = new Event('icecandidate');
- event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex};
-
- var cand = evt.candidate;
- // Edge emits an empty object for RTCIceCandidateComplete‥
- var end = !cand || Object.keys(cand).length === 0;
- if (end) {
- // polyfill since RTCIceGatherer.state is not implemented in
- // Edge 10547 yet.
- if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') {
- iceGatherer.state = 'completed';
- }
- } else {
- if (iceGatherer.state === 'new') {
- iceGatherer.state = 'gathering';
- }
- // RTCIceCandidate doesn't have a component, needs to be added
- cand.component = 1;
- event.candidate.candidate = SDPUtils.writeCandidate(cand);
- }
-
- // update local description.
- var sections = SDPUtils.splitSections(pc.localDescription.sdp);
- if (!end) {
- sections[event.candidate.sdpMLineIndex + 1] +=
- 'a=' + event.candidate.candidate + '\r\n';
- } else {
- sections[event.candidate.sdpMLineIndex + 1] +=
- 'a=end-of-candidates\r\n';
- }
- pc.localDescription.sdp = sections.join('');
- var complete = pc.transceivers.every(function(transceiver) {
- return transceiver.iceGatherer &&
- transceiver.iceGatherer.state === 'completed';
- });
-
- if (pc.iceGatheringState !== 'gathering') {
- pc.iceGatheringState = 'gathering';
- pc._emitGatheringStateChange();
- }
-
- // Emit candidate. Also emit null candidate when all gatherers are
- // complete.
- if (!end) {
- pc._dispatchEvent('icecandidate', event);
- }
- if (complete) {
- pc._dispatchEvent('icecandidate', new Event('icecandidate'));
- pc.iceGatheringState = 'complete';
- pc._emitGatheringStateChange();
- }
- };
-
- // emit already gathered candidates.
- window.setTimeout(function() {
- candidates.forEach(function(candidate) {
- var e = new Event('RTCIceGatherEvent');
- e.candidate = candidate;
- iceGatherer.onlocalcandidate(e);
- });
- }, 0);
- };
-
- // Create ICE transport and DTLS transport.
- RTCPeerConnection.prototype._createIceAndDtlsTransports = function() {
- var pc = this;
- var iceTransport = new window.RTCIceTransport(null);
- iceTransport.onicestatechange = function() {
- pc._updateConnectionState();
- };
-
- var dtlsTransport = new window.RTCDtlsTransport(iceTransport);
- dtlsTransport.ondtlsstatechange = function() {
- pc._updateConnectionState();
- };
- dtlsTransport.onerror = function() {
- // onerror does not set state to failed by itpc.
- Object.defineProperty(dtlsTransport, 'state',
- {value: 'failed', writable: true});
- pc._updateConnectionState();
- };
-
- return {
- iceTransport: iceTransport,
- dtlsTransport: dtlsTransport
- };
- };
-
- // Destroy ICE gatherer, ICE transport and DTLS transport.
- // Without triggering the callbacks.
- RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function(
- sdpMLineIndex) {
- var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
- if (iceGatherer) {
- delete iceGatherer.onlocalcandidate;
- delete this.transceivers[sdpMLineIndex].iceGatherer;
- }
- var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;
- if (iceTransport) {
- delete iceTransport.onicestatechange;
- delete this.transceivers[sdpMLineIndex].iceTransport;
- }
- var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;
- if (dtlsTransport) {
- delete dtlsTransport.ondtlsstatechange;
- delete dtlsTransport.onerror;
- delete this.transceivers[sdpMLineIndex].dtlsTransport;
- }
- };
-
- // Start the RTP Sender and Receiver for a transceiver.
- RTCPeerConnection.prototype._transceive = function(transceiver,
- send, recv) {
- var params = getCommonCapabilities(transceiver.localCapabilities,
- transceiver.remoteCapabilities);
- if (send && transceiver.rtpSender) {
- params.encodings = transceiver.sendEncodingParameters;
- params.rtcp = {
- cname: SDPUtils.localCName,
- compound: transceiver.rtcpParameters.compound
- };
- if (transceiver.recvEncodingParameters.length) {
- params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;
- }
- transceiver.rtpSender.send(params);
- }
- if (recv && transceiver.rtpReceiver && params.codecs.length > 0) {
- // remove RTX field in Edge 14942
- if (transceiver.kind === 'video'
- && transceiver.recvEncodingParameters
- && edgeVersion < 15019) {
- transceiver.recvEncodingParameters.forEach(function(p) {
- delete p.rtx;
- });
- }
- if (transceiver.recvEncodingParameters.length) {
- params.encodings = transceiver.recvEncodingParameters;
- }
- params.rtcp = {
- compound: transceiver.rtcpParameters.compound
- };
- if (transceiver.rtcpParameters.cname) {
- params.rtcp.cname = transceiver.rtcpParameters.cname;
- }
- if (transceiver.sendEncodingParameters.length) {
- params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;
- }
- transceiver.rtpReceiver.receive(params);
- }
- };
-
- RTCPeerConnection.prototype.setLocalDescription = function(description) {
- var pc = this;
-
- if (!isActionAllowedInSignalingState('setLocalDescription',
- description.type, this.signalingState) || this._isClosed) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not set local ' + description.type +
- ' in state ' + pc.signalingState));
- }
-
- var sections;
- var sessionpart;
- if (description.type === 'offer') {
- // VERY limited support for SDP munging. Limited to:
- // * changing the order of codecs
- sections = SDPUtils.splitSections(description.sdp);
- sessionpart = sections.shift();
- sections.forEach(function(mediaSection, sdpMLineIndex) {
- var caps = SDPUtils.parseRtpParameters(mediaSection);
- pc.transceivers[sdpMLineIndex].localCapabilities = caps;
- });
-
- this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
- pc._gather(transceiver.mid, sdpMLineIndex);
- });
- } else if (description.type === 'answer') {
- sections = SDPUtils.splitSections(pc.remoteDescription.sdp);
- sessionpart = sections.shift();
- var isIceLite = SDPUtils.matchPrefix(sessionpart,
- 'a=ice-lite').length > 0;
- sections.forEach(function(mediaSection, sdpMLineIndex) {
- var transceiver = pc.transceivers[sdpMLineIndex];
- var iceGatherer = transceiver.iceGatherer;
- var iceTransport = transceiver.iceTransport;
- var dtlsTransport = transceiver.dtlsTransport;
- var localCapabilities = transceiver.localCapabilities;
- var remoteCapabilities = transceiver.remoteCapabilities;
-
- // treat bundle-only as not-rejected.
- var rejected = SDPUtils.isRejected(mediaSection) &&
- SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
-
- if (!rejected && !transceiver.isDatachannel) {
- var remoteIceParameters = SDPUtils.getIceParameters(
- mediaSection, sessionpart);
- var remoteDtlsParameters = SDPUtils.getDtlsParameters(
- mediaSection, sessionpart);
- if (isIceLite) {
- remoteDtlsParameters.role = 'server';
- }
-
- if (!pc.usingBundle || sdpMLineIndex === 0) {
- pc._gather(transceiver.mid, sdpMLineIndex);
- if (iceTransport.state === 'new') {
- iceTransport.start(iceGatherer, remoteIceParameters,
- isIceLite ? 'controlling' : 'controlled');
- }
- if (dtlsTransport.state === 'new') {
- dtlsTransport.start(remoteDtlsParameters);
- }
- }
-
- // Calculate intersection of capabilities.
- var params = getCommonCapabilities(localCapabilities,
- remoteCapabilities);
-
- // Start the RTCRtpSender. The RTCRtpReceiver for this
- // transceiver has already been started in setRemoteDescription.
- pc._transceive(transceiver,
- params.codecs.length > 0,
- false);
- }
- });
- }
-
- this.localDescription = {
- type: description.type,
- sdp: description.sdp
- };
- switch (description.type) {
- case 'offer':
- this._updateSignalingState('have-local-offer');
- break;
- case 'answer':
- this._updateSignalingState('stable');
- break;
- default:
- throw new TypeError('unsupported type "' + description.type +
- '"');
- }
-
- return Promise.resolve();
- };
-
- RTCPeerConnection.prototype.setRemoteDescription = function(description) {
- var pc = this;
-
- if (!isActionAllowedInSignalingState('setRemoteDescription',
- description.type, this.signalingState) || this._isClosed) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not set remote ' + description.type +
- ' in state ' + pc.signalingState));
- }
-
- var streams = {};
- this.remoteStreams.forEach(function(stream) {
- streams[stream.id] = stream;
- });
- var receiverList = [];
- var sections = SDPUtils.splitSections(description.sdp);
- var sessionpart = sections.shift();
- var isIceLite = SDPUtils.matchPrefix(sessionpart,
- 'a=ice-lite').length > 0;
- var usingBundle = SDPUtils.matchPrefix(sessionpart,
- 'a=group:BUNDLE ').length > 0;
- this.usingBundle = usingBundle;
- var iceOptions = SDPUtils.matchPrefix(sessionpart,
- 'a=ice-options:')[0];
- if (iceOptions) {
- this.canTrickleIceCandidates = iceOptions.substr(14).split(' ')
- .indexOf('trickle') >= 0;
- } else {
- this.canTrickleIceCandidates = false;
- }
-
- sections.forEach(function(mediaSection, sdpMLineIndex) {
- var lines = SDPUtils.splitLines(mediaSection);
- var kind = SDPUtils.getKind(mediaSection);
- // treat bundle-only as not-rejected.
- var rejected = SDPUtils.isRejected(mediaSection) &&
- SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
- var protocol = lines[0].substr(2).split(' ')[2];
-
- var direction = SDPUtils.getDirection(mediaSection, sessionpart);
- var remoteMsid = SDPUtils.parseMsid(mediaSection);
-
- var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier();
-
- // Reject datachannels which are not implemented yet.
- if (kind === 'application' && protocol === 'DTLS/SCTP') {
- pc.transceivers[sdpMLineIndex] = {
- mid: mid,
- isDatachannel: true
- };
- return;
- }
-
- var transceiver;
- var iceGatherer;
- var iceTransport;
- var dtlsTransport;
- var rtpReceiver;
- var sendEncodingParameters;
- var recvEncodingParameters;
- var localCapabilities;
-
- var track;
- // FIXME: ensure the mediaSection has rtcp-mux set.
- var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);
- var remoteIceParameters;
- var remoteDtlsParameters;
- if (!rejected) {
- remoteIceParameters = SDPUtils.getIceParameters(mediaSection,
- sessionpart);
- remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection,
- sessionpart);
- remoteDtlsParameters.role = 'client';
- }
- recvEncodingParameters =
- SDPUtils.parseRtpEncodingParameters(mediaSection);
-
- var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);
-
- var isComplete = SDPUtils.matchPrefix(mediaSection,
- 'a=end-of-candidates', sessionpart).length > 0;
- var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')
- .map(function(cand) {
- return SDPUtils.parseCandidate(cand);
- })
- .filter(function(cand) {
- return cand.component === 1;
- });
-
- // Check if we can use BUNDLE and dispose transports.
- if ((description.type === 'offer' || description.type === 'answer') &&
- !rejected && usingBundle && sdpMLineIndex > 0 &&
- pc.transceivers[sdpMLineIndex]) {
- pc._disposeIceAndDtlsTransports(sdpMLineIndex);
- pc.transceivers[sdpMLineIndex].iceGatherer =
- pc.transceivers[0].iceGatherer;
- pc.transceivers[sdpMLineIndex].iceTransport =
- pc.transceivers[0].iceTransport;
- pc.transceivers[sdpMLineIndex].dtlsTransport =
- pc.transceivers[0].dtlsTransport;
- if (pc.transceivers[sdpMLineIndex].rtpSender) {
- pc.transceivers[sdpMLineIndex].rtpSender.setTransport(
- pc.transceivers[0].dtlsTransport);
- }
- if (pc.transceivers[sdpMLineIndex].rtpReceiver) {
- pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(
- pc.transceivers[0].dtlsTransport);
- }
- }
- if (description.type === 'offer' && !rejected) {
- transceiver = pc.transceivers[sdpMLineIndex] ||
- pc._createTransceiver(kind);
- transceiver.mid = mid;
-
- if (!transceiver.iceGatherer) {
- transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
- usingBundle);
- }
-
- if (cands.length && transceiver.iceTransport.state === 'new') {
- if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {
- transceiver.iceTransport.setRemoteCandidates(cands);
- } else {
- cands.forEach(function(candidate) {
- maybeAddCandidate(transceiver.iceTransport, candidate);
- });
- }
- }
-
- localCapabilities = window.RTCRtpReceiver.getCapabilities(kind);
-
- // filter RTX until additional stuff needed for RTX is implemented
- // in adapter.js
- if (edgeVersion < 15019) {
- localCapabilities.codecs = localCapabilities.codecs.filter(
- function(codec) {
- return codec.name !== 'rtx';
- });
- }
-
- sendEncodingParameters = transceiver.sendEncodingParameters || [{
- ssrc: (2 * sdpMLineIndex + 2) * 1001
- }];
-
- // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
- var isNewTrack = false;
- if (direction === 'sendrecv' || direction === 'sendonly') {
- isNewTrack = !transceiver.rtpReceiver;
- rtpReceiver = transceiver.rtpReceiver ||
- new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);
-
- if (isNewTrack) {
- var stream;
- track = rtpReceiver.track;
- // FIXME: does not work with Plan B.
- if (remoteMsid && remoteMsid.stream === '-') {
- // no-op. a stream id of '-' means: no associated stream.
- } else if (remoteMsid) {
- if (!streams[remoteMsid.stream]) {
- streams[remoteMsid.stream] = new window.MediaStream();
- Object.defineProperty(streams[remoteMsid.stream], 'id', {
- get: function() {
- return remoteMsid.stream;
- }
- });
- }
- Object.defineProperty(track, 'id', {
- get: function() {
- return remoteMsid.track;
- }
- });
- stream = streams[remoteMsid.stream];
- } else {
- if (!streams.default) {
- streams.default = new window.MediaStream();
- }
- stream = streams.default;
- }
- if (stream) {
- addTrackToStreamAndFireEvent(track, stream);
- transceiver.associatedRemoteMediaStreams.push(stream);
- }
- receiverList.push([track, rtpReceiver, stream]);
- }
- } else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) {
- transceiver.associatedRemoteMediaStreams.forEach(function(s) {
- var nativeTrack = s.getTracks().find(function(t) {
- return t.id === transceiver.rtpReceiver.track.id;
- });
- if (nativeTrack) {
- removeTrackFromStreamAndFireEvent(nativeTrack, s);
- }
- });
- transceiver.associatedRemoteMediaStreams = [];
- }
-
- transceiver.localCapabilities = localCapabilities;
- transceiver.remoteCapabilities = remoteCapabilities;
- transceiver.rtpReceiver = rtpReceiver;
- transceiver.rtcpParameters = rtcpParameters;
- transceiver.sendEncodingParameters = sendEncodingParameters;
- transceiver.recvEncodingParameters = recvEncodingParameters;
-
- // Start the RTCRtpReceiver now. The RTPSender is started in
- // setLocalDescription.
- pc._transceive(pc.transceivers[sdpMLineIndex],
- false,
- isNewTrack);
- } else if (description.type === 'answer' && !rejected) {
- transceiver = pc.transceivers[sdpMLineIndex];
- iceGatherer = transceiver.iceGatherer;
- iceTransport = transceiver.iceTransport;
- dtlsTransport = transceiver.dtlsTransport;
- rtpReceiver = transceiver.rtpReceiver;
- sendEncodingParameters = transceiver.sendEncodingParameters;
- localCapabilities = transceiver.localCapabilities;
-
- pc.transceivers[sdpMLineIndex].recvEncodingParameters =
- recvEncodingParameters;
- pc.transceivers[sdpMLineIndex].remoteCapabilities =
- remoteCapabilities;
- pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;
-
- if (cands.length && iceTransport.state === 'new') {
- if ((isIceLite || isComplete) &&
- (!usingBundle || sdpMLineIndex === 0)) {
- iceTransport.setRemoteCandidates(cands);
- } else {
- cands.forEach(function(candidate) {
- maybeAddCandidate(transceiver.iceTransport, candidate);
- });
- }
- }
-
- if (!usingBundle || sdpMLineIndex === 0) {
- if (iceTransport.state === 'new') {
- iceTransport.start(iceGatherer, remoteIceParameters,
- 'controlling');
- }
- if (dtlsTransport.state === 'new') {
- dtlsTransport.start(remoteDtlsParameters);
- }
- }
-
- pc._transceive(transceiver,
- direction === 'sendrecv' || direction === 'recvonly',
- direction === 'sendrecv' || direction === 'sendonly');
-
- // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
- if (rtpReceiver &&
- (direction === 'sendrecv' || direction === 'sendonly')) {
- track = rtpReceiver.track;
- if (remoteMsid) {
- if (!streams[remoteMsid.stream]) {
- streams[remoteMsid.stream] = new window.MediaStream();
- }
- addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]);
- receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);
- } else {
- if (!streams.default) {
- streams.default = new window.MediaStream();
- }
- addTrackToStreamAndFireEvent(track, streams.default);
- receiverList.push([track, rtpReceiver, streams.default]);
- }
- } else {
- // FIXME: actually the receiver should be created later.
- delete transceiver.rtpReceiver;
- }
- }
- });
-
- if (this._dtlsRole === undefined) {
- this._dtlsRole = description.type === 'offer' ? 'active' : 'passive';
- }
-
- this.remoteDescription = {
- type: description.type,
- sdp: description.sdp
- };
- switch (description.type) {
- case 'offer':
- this._updateSignalingState('have-remote-offer');
- break;
- case 'answer':
- this._updateSignalingState('stable');
- break;
- default:
- throw new TypeError('unsupported type "' + description.type +
- '"');
- }
- Object.keys(streams).forEach(function(sid) {
- var stream = streams[sid];
- if (stream.getTracks().length) {
- if (pc.remoteStreams.indexOf(stream) === -1) {
- pc.remoteStreams.push(stream);
- var event = new Event('addstream');
- event.stream = stream;
- window.setTimeout(function() {
- pc._dispatchEvent('addstream', event);
- });
- }
-
- receiverList.forEach(function(item) {
- var track = item[0];
- var receiver = item[1];
- if (stream.id !== item[2].id) {
- return;
- }
- fireAddTrack(pc, track, receiver, [stream]);
- });
- }
- });
- receiverList.forEach(function(item) {
- if (item[2]) {
- return;
- }
- fireAddTrack(pc, item[0], item[1], []);
- });
-
- // check whether addIceCandidate({}) was called within four seconds after
- // setRemoteDescription.
- window.setTimeout(function() {
- if (!(pc && pc.transceivers)) {
- return;
- }
- pc.transceivers.forEach(function(transceiver) {
- if (transceiver.iceTransport &&
- transceiver.iceTransport.state === 'new' &&
- transceiver.iceTransport.getRemoteCandidates().length > 0) {
- console.warn('Timeout for addRemoteCandidate. Consider sending ' +
- 'an end-of-candidates notification');
- transceiver.iceTransport.addRemoteCandidate({});
- }
- });
- }, 4000);
-
- return Promise.resolve();
- };
-
- RTCPeerConnection.prototype.close = function() {
- this.transceivers.forEach(function(transceiver) {
- /* not yet
- if (transceiver.iceGatherer) {
- transceiver.iceGatherer.close();
- }
- */
- if (transceiver.iceTransport) {
- transceiver.iceTransport.stop();
- }
- if (transceiver.dtlsTransport) {
- transceiver.dtlsTransport.stop();
- }
- if (transceiver.rtpSender) {
- transceiver.rtpSender.stop();
- }
- if (transceiver.rtpReceiver) {
- transceiver.rtpReceiver.stop();
- }
- });
- // FIXME: clean up tracks, local streams, remote streams, etc
- this._isClosed = true;
- this._updateSignalingState('closed');
- };
-
- // Update the signaling state.
- RTCPeerConnection.prototype._updateSignalingState = function(newState) {
- this.signalingState = newState;
- var event = new Event('signalingstatechange');
- this._dispatchEvent('signalingstatechange', event);
- };
-
- // Determine whether to fire the negotiationneeded event.
- RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() {
- var pc = this;
- if (this.signalingState !== 'stable' || this.needNegotiation === true) {
- return;
- }
- this.needNegotiation = true;
- window.setTimeout(function() {
- if (pc.needNegotiation === false) {
- return;
- }
- pc.needNegotiation = false;
- var event = new Event('negotiationneeded');
- pc._dispatchEvent('negotiationneeded', event);
- }, 0);
- };
-
- // Update the connection state.
- RTCPeerConnection.prototype._updateConnectionState = function() {
- var newState;
- var states = {
- 'new': 0,
- closed: 0,
- connecting: 0,
- checking: 0,
- connected: 0,
- completed: 0,
- disconnected: 0,
- failed: 0
- };
- this.transceivers.forEach(function(transceiver) {
- states[transceiver.iceTransport.state]++;
- states[transceiver.dtlsTransport.state]++;
- });
- // ICETransport.completed and connected are the same for this purpose.
- states.connected += states.completed;
-
- newState = 'new';
- if (states.failed > 0) {
- newState = 'failed';
- } else if (states.connecting > 0 || states.checking > 0) {
- newState = 'connecting';
- } else if (states.disconnected > 0) {
- newState = 'disconnected';
- } else if (states.new > 0) {
- newState = 'new';
- } else if (states.connected > 0 || states.completed > 0) {
- newState = 'connected';
- }
-
- if (newState !== this.iceConnectionState) {
- this.iceConnectionState = newState;
- var event = new Event('iceconnectionstatechange');
- this._dispatchEvent('iceconnectionstatechange', event);
- }
- };
-
- RTCPeerConnection.prototype.createOffer = function() {
- var pc = this;
-
- if (this._isClosed) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not call createOffer after close'));
- }
-
- var numAudioTracks = this.transceivers.filter(function(t) {
- return t.kind === 'audio';
- }).length;
- var numVideoTracks = this.transceivers.filter(function(t) {
- return t.kind === 'video';
- }).length;
-
- // Determine number of audio and video tracks we need to send/recv.
- var offerOptions = arguments[0];
- if (offerOptions) {
- // Reject Chrome legacy constraints.
- if (offerOptions.mandatory || offerOptions.optional) {
- throw new TypeError(
- 'Legacy mandatory/optional constraints not supported.');
- }
- if (offerOptions.offerToReceiveAudio !== undefined) {
- if (offerOptions.offerToReceiveAudio === true) {
- numAudioTracks = 1;
- } else if (offerOptions.offerToReceiveAudio === false) {
- numAudioTracks = 0;
- } else {
- numAudioTracks = offerOptions.offerToReceiveAudio;
- }
- }
- if (offerOptions.offerToReceiveVideo !== undefined) {
- if (offerOptions.offerToReceiveVideo === true) {
- numVideoTracks = 1;
- } else if (offerOptions.offerToReceiveVideo === false) {
- numVideoTracks = 0;
- } else {
- numVideoTracks = offerOptions.offerToReceiveVideo;
- }
- }
- }
-
- this.transceivers.forEach(function(transceiver) {
- if (transceiver.kind === 'audio') {
- numAudioTracks--;
- if (numAudioTracks < 0) {
- transceiver.wantReceive = false;
- }
- } else if (transceiver.kind === 'video') {
- numVideoTracks--;
- if (numVideoTracks < 0) {
- transceiver.wantReceive = false;
- }
- }
- });
-
- // Create M-lines for recvonly streams.
- while (numAudioTracks > 0 || numVideoTracks > 0) {
- if (numAudioTracks > 0) {
- this._createTransceiver('audio');
- numAudioTracks--;
- }
- if (numVideoTracks > 0) {
- this._createTransceiver('video');
- numVideoTracks--;
- }
- }
-
- var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId,
- this._sdpSessionVersion++);
- this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
- // For each track, create an ice gatherer, ice transport,
- // dtls transport, potentially rtpsender and rtpreceiver.
- var track = transceiver.track;
- var kind = transceiver.kind;
- var mid = SDPUtils.generateIdentifier();
- transceiver.mid = mid;
-
- if (!transceiver.iceGatherer) {
- transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
- pc.usingBundle);
- }
-
- var localCapabilities = window.RTCRtpSender.getCapabilities(kind);
- // filter RTX until additional stuff needed for RTX is implemented
- // in adapter.js
- if (edgeVersion < 15019) {
- localCapabilities.codecs = localCapabilities.codecs.filter(
- function(codec) {
- return codec.name !== 'rtx';
- });
- }
- localCapabilities.codecs.forEach(function(codec) {
- // work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552
- // by adding level-asymmetry-allowed=1
- if (codec.name === 'H264' &&
- codec.parameters['level-asymmetry-allowed'] === undefined) {
- codec.parameters['level-asymmetry-allowed'] = '1';
- }
- });
-
- // generate an ssrc now, to be used later in rtpSender.send
- var sendEncodingParameters = transceiver.sendEncodingParameters || [{
- ssrc: (2 * sdpMLineIndex + 1) * 1001
- }];
- if (track) {
- // add RTX
- if (edgeVersion >= 15019 && kind === 'video' &&
- !sendEncodingParameters[0].rtx) {
- sendEncodingParameters[0].rtx = {
- ssrc: sendEncodingParameters[0].ssrc + 1
- };
- }
- }
-
- if (transceiver.wantReceive) {
- transceiver.rtpReceiver = new window.RTCRtpReceiver(
- transceiver.dtlsTransport, kind);
- }
-
- transceiver.localCapabilities = localCapabilities;
- transceiver.sendEncodingParameters = sendEncodingParameters;
- });
-
- // always offer BUNDLE and dispose on return if not supported.
- if (this._config.bundlePolicy !== 'max-compat') {
- sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
- return t.mid;
- }).join(' ') + '\r\n';
- }
- sdp += 'a=ice-options:trickle\r\n';
-
- this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
- sdp += writeMediaSection(transceiver, transceiver.localCapabilities,
- 'offer', transceiver.stream, pc._dtlsRole);
- sdp += 'a=rtcp-rsize\r\n';
-
- if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' &&
- (sdpMLineIndex === 0 || !pc.usingBundle)) {
- transceiver.iceGatherer.getLocalCandidates().forEach(function(cand) {
- cand.component = 1;
- sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\r\n';
- });
-
- if (transceiver.iceGatherer.state === 'completed') {
- sdp += 'a=end-of-candidates\r\n';
- }
- }
- });
-
- var desc = new window.RTCSessionDescription({
- type: 'offer',
- sdp: sdp
- });
- return Promise.resolve(desc);
- };
-
- RTCPeerConnection.prototype.createAnswer = function() {
- var pc = this;
-
- if (this._isClosed) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not call createAnswer after close'));
- }
-
- var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId,
- this._sdpSessionVersion++);
- if (this.usingBundle) {
- sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
- return t.mid;
- }).join(' ') + '\r\n';
- }
- var mediaSectionsInOffer = SDPUtils.splitSections(
- this.remoteDescription.sdp).length - 1;
- this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
- if (sdpMLineIndex + 1 > mediaSectionsInOffer) {
- return;
- }
- if (transceiver.isDatachannel) {
- sdp += 'm=application 0 DTLS/SCTP 5000\r\n' +
- 'c=IN IP4 0.0.0.0\r\n' +
- 'a=mid:' + transceiver.mid + '\r\n';
- return;
- }
-
- // FIXME: look at direction.
- if (transceiver.stream) {
- var localTrack;
- if (transceiver.kind === 'audio') {
- localTrack = transceiver.stream.getAudioTracks()[0];
- } else if (transceiver.kind === 'video') {
- localTrack = transceiver.stream.getVideoTracks()[0];
- }
- if (localTrack) {
- // add RTX
- if (edgeVersion >= 15019 && transceiver.kind === 'video' &&
- !transceiver.sendEncodingParameters[0].rtx) {
- transceiver.sendEncodingParameters[0].rtx = {
- ssrc: transceiver.sendEncodingParameters[0].ssrc + 1
- };
- }
- }
- }
-
- // Calculate intersection of capabilities.
- var commonCapabilities = getCommonCapabilities(
- transceiver.localCapabilities,
- transceiver.remoteCapabilities);
-
- var hasRtx = commonCapabilities.codecs.filter(function(c) {
- return c.name.toLowerCase() === 'rtx';
- }).length;
- if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {
- delete transceiver.sendEncodingParameters[0].rtx;
- }
-
- sdp += writeMediaSection(transceiver, commonCapabilities,
- 'answer', transceiver.stream, pc._dtlsRole);
- if (transceiver.rtcpParameters &&
- transceiver.rtcpParameters.reducedSize) {
- sdp += 'a=rtcp-rsize\r\n';
- }
- });
-
- var desc = new window.RTCSessionDescription({
- type: 'answer',
- sdp: sdp
- });
- return Promise.resolve(desc);
- };
-
- RTCPeerConnection.prototype.addIceCandidate = function(candidate) {
- var sections;
- if (!candidate || candidate.candidate === '') {
- for (var j = 0; j < this.transceivers.length; j++) {
- if (this.transceivers[j].isDatachannel) {
- continue;
- }
- this.transceivers[j].iceTransport.addRemoteCandidate({});
- sections = SDPUtils.splitSections(this.remoteDescription.sdp);
- sections[j + 1] += 'a=end-of-candidates\r\n';
- this.remoteDescription.sdp = sections.join('');
- if (this.usingBundle) {
- break;
- }
- }
- } else if (!(candidate.sdpMLineIndex !== undefined || candidate.sdpMid)) {
- throw new TypeError('sdpMLineIndex or sdpMid required');
- } else if (!this.remoteDescription) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not add ICE candidate without a remote description'));
- } else {
- var sdpMLineIndex = candidate.sdpMLineIndex;
- if (candidate.sdpMid) {
- for (var i = 0; i < this.transceivers.length; i++) {
- if (this.transceivers[i].mid === candidate.sdpMid) {
- sdpMLineIndex = i;
- break;
- }
- }
- }
- var transceiver = this.transceivers[sdpMLineIndex];
- if (transceiver) {
- if (transceiver.isDatachannel) {
- return Promise.resolve();
- }
- var cand = Object.keys(candidate.candidate).length > 0 ?
- SDPUtils.parseCandidate(candidate.candidate) : {};
- // Ignore Chrome's invalid candidates since Edge does not like them.
- if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) {
- return Promise.resolve();
- }
- // Ignore RTCP candidates, we assume RTCP-MUX.
- if (cand.component && cand.component !== 1) {
- return Promise.resolve();
- }
- // when using bundle, avoid adding candidates to the wrong
- // ice transport. And avoid adding candidates added in the SDP.
- if (sdpMLineIndex === 0 || (sdpMLineIndex > 0 &&
- transceiver.iceTransport !== this.transceivers[0].iceTransport)) {
- if (!maybeAddCandidate(transceiver.iceTransport, cand)) {
- return Promise.reject(makeError('OperationError',
- 'Can not add ICE candidate'));
- }
- }
-
- // update the remoteDescription.
- var candidateString = candidate.candidate.trim();
- if (candidateString.indexOf('a=') === 0) {
- candidateString = candidateString.substr(2);
- }
- sections = SDPUtils.splitSections(this.remoteDescription.sdp);
- sections[sdpMLineIndex + 1] += 'a=' +
- (cand.type ? candidateString : 'end-of-candidates')
- + '\r\n';
- this.remoteDescription.sdp = sections.join('');
- } else {
- return Promise.reject(makeError('OperationError',
- 'Can not add ICE candidate'));
- }
- }
- return Promise.resolve();
- };
-
- RTCPeerConnection.prototype.getStats = function() {
- var promises = [];
- this.transceivers.forEach(function(transceiver) {
- ['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport',
- 'dtlsTransport'].forEach(function(method) {
- if (transceiver[method]) {
- promises.push(transceiver[method].getStats());
- }
- });
- });
- var fixStatsType = function(stat) {
- return {
- inboundrtp: 'inbound-rtp',
- outboundrtp: 'outbound-rtp',
- candidatepair: 'candidate-pair',
- localcandidate: 'local-candidate',
- remotecandidate: 'remote-candidate'
- }[stat.type] || stat.type;
- };
- return new Promise(function(resolve) {
- // shim getStats with maplike support
- var results = new Map();
- Promise.all(promises).then(function(res) {
- res.forEach(function(result) {
- Object.keys(result).forEach(function(id) {
- result[id].type = fixStatsType(result[id]);
- results.set(id, result[id]);
- });
- });
- resolve(results);
- });
- });
- };
-
- // legacy callback shims. Should be moved to adapter.js some days.
- var methods = ['createOffer', 'createAnswer'];
- methods.forEach(function(method) {
- var nativeMethod = RTCPeerConnection.prototype[method];
- RTCPeerConnection.prototype[method] = function() {
- var args = arguments;
- if (typeof args[0] === 'function' ||
- typeof args[1] === 'function') { // legacy
- return nativeMethod.apply(this, [arguments[2]])
- .then(function(description) {
- if (typeof args[0] === 'function') {
- args[0].apply(null, [description]);
- }
- }, function(error) {
- if (typeof args[1] === 'function') {
- args[1].apply(null, [error]);
- }
- });
- }
- return nativeMethod.apply(this, arguments);
- };
- });
-
- methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'];
- methods.forEach(function(method) {
- var nativeMethod = RTCPeerConnection.prototype[method];
- RTCPeerConnection.prototype[method] = function() {
- var args = arguments;
- if (typeof args[1] === 'function' ||
- typeof args[2] === 'function') { // legacy
- return nativeMethod.apply(this, arguments)
- .then(function() {
- if (typeof args[1] === 'function') {
- args[1].apply(null);
- }
- }, function(error) {
- if (typeof args[2] === 'function') {
- args[2].apply(null, [error]);
- }
- });
- }
- return nativeMethod.apply(this, arguments);
- };
- });
-
- // getStats is special. It doesn't have a spec legacy method yet we support
- // getStats(something, cb) without error callbacks.
- ['getStats'].forEach(function(method) {
- var nativeMethod = RTCPeerConnection.prototype[method];
- RTCPeerConnection.prototype[method] = function() {
- var args = arguments;
- if (typeof args[1] === 'function') {
- return nativeMethod.apply(this, arguments)
- .then(function() {
- if (typeof args[1] === 'function') {
- args[1].apply(null);
- }
- });
- }
- return nativeMethod.apply(this, arguments);
- };
- });
-
- return RTCPeerConnection;
-};
-
-},{"sdp":2}],2:[function(require,module,exports){
- /* eslint-env node */
-'use strict';
-
-// SDP helpers.
-var SDPUtils = {};
-
-// Generate an alphanumeric identifier for cname or mids.
-// TODO: use UUIDs instead? https://gist.github.com/jed/982883
-SDPUtils.generateIdentifier = function() {
- return Math.random().toString(36).substr(2, 10);
-};
-
-// The RTCP CNAME used by all peerconnections from the same JS.
-SDPUtils.localCName = SDPUtils.generateIdentifier();
-
-// Splits SDP into lines, dealing with both CRLF and LF.
-SDPUtils.splitLines = function(blob) {
- return blob.trim().split('\n').map(function(line) {
- return line.trim();
- });
-};
-// Splits SDP into sessionpart and mediasections. Ensures CRLF.
-SDPUtils.splitSections = function(blob) {
- var parts = blob.split('\nm=');
- return parts.map(function(part, index) {
- return (index > 0 ? 'm=' + part : part).trim() + '\r\n';
- });
-};
-
-// Returns lines that start with a certain prefix.
-SDPUtils.matchPrefix = function(blob, prefix) {
- return SDPUtils.splitLines(blob).filter(function(line) {
- return line.indexOf(prefix) === 0;
- });
-};
-
-// Parses an ICE candidate line. Sample input:
-// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
-// rport 55996"
-SDPUtils.parseCandidate = function(line) {
- var parts;
- // Parse both variants.
- if (line.indexOf('a=candidate:') === 0) {
- parts = line.substring(12).split(' ');
- } else {
- parts = line.substring(10).split(' ');
- }
-
- var candidate = {
- foundation: parts[0],
- component: parseInt(parts[1], 10),
- protocol: parts[2].toLowerCase(),
- priority: parseInt(parts[3], 10),
- ip: parts[4],
- port: parseInt(parts[5], 10),
- // skip parts[6] == 'typ'
- type: parts[7]
- };
-
- for (var i = 8; i < parts.length; i += 2) {
- switch (parts[i]) {
- case 'raddr':
- candidate.relatedAddress = parts[i + 1];
- break;
- case 'rport':
- candidate.relatedPort = parseInt(parts[i + 1], 10);
- break;
- case 'tcptype':
- candidate.tcpType = parts[i + 1];
- break;
- case 'ufrag':
- candidate.ufrag = parts[i + 1]; // for backward compability.
- candidate.usernameFragment = parts[i + 1];
- break;
- default: // extension handling, in particular ufrag
- candidate[parts[i]] = parts[i + 1];
- break;
- }
- }
- return candidate;
-};
-
-// Translates a candidate object into SDP candidate attribute.
-SDPUtils.writeCandidate = function(candidate) {
- var sdp = [];
- sdp.push(candidate.foundation);
- sdp.push(candidate.component);
- sdp.push(candidate.protocol.toUpperCase());
- sdp.push(candidate.priority);
- sdp.push(candidate.ip);
- sdp.push(candidate.port);
-
- var type = candidate.type;
- sdp.push('typ');
- sdp.push(type);
- if (type !== 'host' && candidate.relatedAddress &&
- candidate.relatedPort) {
- sdp.push('raddr');
- sdp.push(candidate.relatedAddress); // was: relAddr
- sdp.push('rport');
- sdp.push(candidate.relatedPort); // was: relPort
- }
- if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {
- sdp.push('tcptype');
- sdp.push(candidate.tcpType);
- }
- if (candidate.ufrag) {
- sdp.push('ufrag');
- sdp.push(candidate.ufrag);
- }
- return 'candidate:' + sdp.join(' ');
-};
-
-// Parses an ice-options line, returns an array of option tags.
-// a=ice-options:foo bar
-SDPUtils.parseIceOptions = function(line) {
- return line.substr(14).split(' ');
-}
-
-// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:
-// a=rtpmap:111 opus/48000/2
-SDPUtils.parseRtpMap = function(line) {
- var parts = line.substr(9).split(' ');
- var parsed = {
- payloadType: parseInt(parts.shift(), 10) // was: id
- };
-
- parts = parts[0].split('/');
-
- parsed.name = parts[0];
- parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
- // was: channels
- parsed.numChannels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
- return parsed;
-};
-
-// Generate an a=rtpmap line from RTCRtpCodecCapability or
-// RTCRtpCodecParameters.
-SDPUtils.writeRtpMap = function(codec) {
- var pt = codec.payloadType;
- if (codec.preferredPayloadType !== undefined) {
- pt = codec.preferredPayloadType;
- }
- return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +
- (codec.numChannels !== 1 ? '/' + codec.numChannels : '') + '\r\n';
-};
-
-// Parses an a=extmap line (headerextension from RFC 5285). Sample input:
-// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
-// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
-SDPUtils.parseExtmap = function(line) {
- var parts = line.substr(9).split(' ');
- return {
- id: parseInt(parts[0], 10),
- direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',
- uri: parts[1]
- };
-};
-
-// Generates a=extmap line from RTCRtpHeaderExtensionParameters or
-// RTCRtpHeaderExtension.
-SDPUtils.writeExtmap = function(headerExtension) {
- return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +
- (headerExtension.direction && headerExtension.direction !== 'sendrecv'
- ? '/' + headerExtension.direction
- : '') +
- ' ' + headerExtension.uri + '\r\n';
-};
-
-// Parses an ftmp line, returns dictionary. Sample input:
-// a=fmtp:96 vbr=on;cng=on
-// Also deals with vbr=on; cng=on
-SDPUtils.parseFmtp = function(line) {
- var parsed = {};
- var kv;
- var parts = line.substr(line.indexOf(' ') + 1).split(';');
- for (var j = 0; j < parts.length; j++) {
- kv = parts[j].trim().split('=');
- parsed[kv[0].trim()] = kv[1];
- }
- return parsed;
-};
-
-// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
-SDPUtils.writeFmtp = function(codec) {
- var line = '';
- var pt = codec.payloadType;
- if (codec.preferredPayloadType !== undefined) {
- pt = codec.preferredPayloadType;
- }
- if (codec.parameters && Object.keys(codec.parameters).length) {
- var params = [];
- Object.keys(codec.parameters).forEach(function(param) {
- params.push(param + '=' + codec.parameters[param]);
- });
- line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n';
- }
- return line;
-};
-
-// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
-// a=rtcp-fb:98 nack rpsi
-SDPUtils.parseRtcpFb = function(line) {
- var parts = line.substr(line.indexOf(' ') + 1).split(' ');
- return {
- type: parts.shift(),
- parameter: parts.join(' ')
- };
-};
-// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
-SDPUtils.writeRtcpFb = function(codec) {
- var lines = '';
- var pt = codec.payloadType;
- if (codec.preferredPayloadType !== undefined) {
- pt = codec.preferredPayloadType;
- }
- if (codec.rtcpFeedback && codec.rtcpFeedback.length) {
- // FIXME: special handling for trr-int?
- codec.rtcpFeedback.forEach(function(fb) {
- lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +
- (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +
- '\r\n';
- });
- }
- return lines;
-};
-
-// Parses an RFC 5576 ssrc media attribute. Sample input:
-// a=ssrc:3735928559 cname:something
-SDPUtils.parseSsrcMedia = function(line) {
- var sp = line.indexOf(' ');
- var parts = {
- ssrc: parseInt(line.substr(7, sp - 7), 10)
- };
- var colon = line.indexOf(':', sp);
- if (colon > -1) {
- parts.attribute = line.substr(sp + 1, colon - sp - 1);
- parts.value = line.substr(colon + 1);
- } else {
- parts.attribute = line.substr(sp + 1);
- }
- return parts;
-};
-
-// Extracts the MID (RFC 5888) from a media section.
-// returns the MID or undefined if no mid line was found.
-SDPUtils.getMid = function(mediaSection) {
- var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];
- if (mid) {
- return mid.substr(6);
- }
-}
-
-SDPUtils.parseFingerprint = function(line) {
- var parts = line.substr(14).split(' ');
- return {
- algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.
- value: parts[1]
- };
-};
-
-// Extracts DTLS parameters from SDP media section or sessionpart.
-// FIXME: for consistency with other functions this should only
-// get the fingerprint line as input. See also getIceParameters.
-SDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {
- var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,
- 'a=fingerprint:');
- // Note: a=setup line is ignored since we use the 'auto' role.
- // Note2: 'algorithm' is not case sensitive except in Edge.
- return {
- role: 'auto',
- fingerprints: lines.map(SDPUtils.parseFingerprint)
- };
-};
-
-// Serializes DTLS parameters to SDP.
-SDPUtils.writeDtlsParameters = function(params, setupType) {
- var sdp = 'a=setup:' + setupType + '\r\n';
- params.fingerprints.forEach(function(fp) {
- sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n';
- });
- return sdp;
-};
-// Parses ICE information from SDP media section or sessionpart.
-// FIXME: for consistency with other functions this should only
-// get the ice-ufrag and ice-pwd lines as input.
-SDPUtils.getIceParameters = function(mediaSection, sessionpart) {
- var lines = SDPUtils.splitLines(mediaSection);
- // Search in session part, too.
- lines = lines.concat(SDPUtils.splitLines(sessionpart));
- var iceParameters = {
- usernameFragment: lines.filter(function(line) {
- return line.indexOf('a=ice-ufrag:') === 0;
- })[0].substr(12),
- password: lines.filter(function(line) {
- return line.indexOf('a=ice-pwd:') === 0;
- })[0].substr(10)
- };
- return iceParameters;
-};
-
-// Serializes ICE parameters to SDP.
-SDPUtils.writeIceParameters = function(params) {
- return 'a=ice-ufrag:' + params.usernameFragment + '\r\n' +
- 'a=ice-pwd:' + params.password + '\r\n';
-};
-
-// Parses the SDP media section and returns RTCRtpParameters.
-SDPUtils.parseRtpParameters = function(mediaSection) {
- var description = {
- codecs: [],
- headerExtensions: [],
- fecMechanisms: [],
- rtcp: []
- };
- var lines = SDPUtils.splitLines(mediaSection);
- var mline = lines[0].split(' ');
- for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]
- var pt = mline[i];
- var rtpmapline = SDPUtils.matchPrefix(
- mediaSection, 'a=rtpmap:' + pt + ' ')[0];
- if (rtpmapline) {
- var codec = SDPUtils.parseRtpMap(rtpmapline);
- var fmtps = SDPUtils.matchPrefix(
- mediaSection, 'a=fmtp:' + pt + ' ');
- // Only the first a=fmtp: is considered.
- codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};
- codec.rtcpFeedback = SDPUtils.matchPrefix(
- mediaSection, 'a=rtcp-fb:' + pt + ' ')
- .map(SDPUtils.parseRtcpFb);
- description.codecs.push(codec);
- // parse FEC mechanisms from rtpmap lines.
- switch (codec.name.toUpperCase()) {
- case 'RED':
- case 'ULPFEC':
- description.fecMechanisms.push(codec.name.toUpperCase());
- break;
- default: // only RED and ULPFEC are recognized as FEC mechanisms.
- break;
- }
- }
- }
- SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {
- description.headerExtensions.push(SDPUtils.parseExtmap(line));
- });
- // FIXME: parse rtcp.
- return description;
-};
-
-// Generates parts of the SDP media section describing the capabilities /
-// parameters.
-SDPUtils.writeRtpDescription = function(kind, caps) {
- var sdp = '';
-
- // Build the mline.
- sdp += 'm=' + kind + ' ';
- sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.
- sdp += ' UDP/TLS/RTP/SAVPF ';
- sdp += caps.codecs.map(function(codec) {
- if (codec.preferredPayloadType !== undefined) {
- return codec.preferredPayloadType;
- }
- return codec.payloadType;
- }).join(' ') + '\r\n';
-
- sdp += 'c=IN IP4 0.0.0.0\r\n';
- sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n';
-
- // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
- caps.codecs.forEach(function(codec) {
- sdp += SDPUtils.writeRtpMap(codec);
- sdp += SDPUtils.writeFmtp(codec);
- sdp += SDPUtils.writeRtcpFb(codec);
- });
- var maxptime = 0;
- caps.codecs.forEach(function(codec) {
- if (codec.maxptime > maxptime) {
- maxptime = codec.maxptime;
- }
- });
- if (maxptime > 0) {
- sdp += 'a=maxptime:' + maxptime + '\r\n';
- }
- sdp += 'a=rtcp-mux\r\n';
-
- caps.headerExtensions.forEach(function(extension) {
- sdp += SDPUtils.writeExtmap(extension);
- });
- // FIXME: write fecMechanisms.
- return sdp;
-};
-
-// Parses the SDP media section and returns an array of
-// RTCRtpEncodingParameters.
-SDPUtils.parseRtpEncodingParameters = function(mediaSection) {
- var encodingParameters = [];
- var description = SDPUtils.parseRtpParameters(mediaSection);
- var hasRed = description.fecMechanisms.indexOf('RED') !== -1;
- var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;
-
- // filter a=ssrc:... cname:, ignore PlanB-msid
- var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
- .map(function(line) {
- return SDPUtils.parseSsrcMedia(line);
- })
- .filter(function(parts) {
- return parts.attribute === 'cname';
- });
- var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
- var secondarySsrc;
-
- var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')
- .map(function(line) {
- var parts = line.split(' ');
- parts.shift();
- return parts.map(function(part) {
- return parseInt(part, 10);
- });
- });
- if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {
- secondarySsrc = flows[0][1];
- }
-
- description.codecs.forEach(function(codec) {
- if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {
- var encParam = {
- ssrc: primarySsrc,
- codecPayloadType: parseInt(codec.parameters.apt, 10),
- rtx: {
- ssrc: secondarySsrc
- }
- };
- encodingParameters.push(encParam);
- if (hasRed) {
- encParam = JSON.parse(JSON.stringify(encParam));
- encParam.fec = {
- ssrc: secondarySsrc,
- mechanism: hasUlpfec ? 'red+ulpfec' : 'red'
- };
- encodingParameters.push(encParam);
- }
- }
- });
- if (encodingParameters.length === 0 && primarySsrc) {
- encodingParameters.push({
- ssrc: primarySsrc
- });
- }
-
- // we support both b=AS and b=TIAS but interpret AS as TIAS.
- var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');
- if (bandwidth.length) {
- if (bandwidth[0].indexOf('b=TIAS:') === 0) {
- bandwidth = parseInt(bandwidth[0].substr(7), 10);
- } else if (bandwidth[0].indexOf('b=AS:') === 0) {
- // use formula from JSEP to convert b=AS to TIAS value.
- bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95
- - (50 * 40 * 8);
- } else {
- bandwidth = undefined;
- }
- encodingParameters.forEach(function(params) {
- params.maxBitrate = bandwidth;
- });
- }
- return encodingParameters;
-};
-
-// parses http://draft.ortc.org/#rtcrtcpparameters*
-SDPUtils.parseRtcpParameters = function(mediaSection) {
- var rtcpParameters = {};
-
- var cname;
- // Gets the first SSRC. Note that with RTX there might be multiple
- // SSRCs.
- var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
- .map(function(line) {
- return SDPUtils.parseSsrcMedia(line);
- })
- .filter(function(obj) {
- return obj.attribute === 'cname';
- })[0];
- if (remoteSsrc) {
- rtcpParameters.cname = remoteSsrc.value;
- rtcpParameters.ssrc = remoteSsrc.ssrc;
- }
-
- // Edge uses the compound attribute instead of reducedSize
- // compound is !reducedSize
- var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
- rtcpParameters.reducedSize = rsize.length > 0;
- rtcpParameters.compound = rsize.length === 0;
-
- // parses the rtcp-mux attrÑ–bute.
- // Note that Edge does not support unmuxed RTCP.
- var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
- rtcpParameters.mux = mux.length > 0;
-
- return rtcpParameters;
-};
-
-// parses either a=msid: or a=ssrc:... msid lines and returns
-// the id of the MediaStream and MediaStreamTrack.
-SDPUtils.parseMsid = function(mediaSection) {
- var parts;
- var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');
- if (spec.length === 1) {
- parts = spec[0].substr(7).split(' ');
- return {stream: parts[0], track: parts[1]};
- }
- var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
- .map(function(line) {
- return SDPUtils.parseSsrcMedia(line);
- })
- .filter(function(parts) {
- return parts.attribute === 'msid';
- });
- if (planB.length > 0) {
- parts = planB[0].value.split(' ');
- return {stream: parts[0], track: parts[1]};
- }
-};
-
-// Generate a session ID for SDP.
-// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
-// recommends using a cryptographically random +ve 64-bit value
-// but right now this should be acceptable and within the right range
-SDPUtils.generateSessionId = function() {
- return Math.random().toString().substr(2, 21);
-};
-
-// Write boilder plate for start of SDP
-// sessId argument is optional - if not supplied it will
-// be generated randomly
-// sessVersion is optional and defaults to 2
-SDPUtils.writeSessionBoilerplate = function(sessId, sessVer) {
- var sessionId;
- var version = sessVer !== undefined ? sessVer : 2;
- if (sessId) {
- sessionId = sessId;
- } else {
- sessionId = SDPUtils.generateSessionId();
- }
- // FIXME: sess-id should be an NTP timestamp.
- return 'v=0\r\n' +
- 'o=thisisadapterortc ' + sessionId + ' ' + version + ' IN IP4 127.0.0.1\r\n' +
- 's=-\r\n' +
- 't=0 0\r\n';
-};
-
-SDPUtils.writeMediaSection = function(transceiver, caps, type, stream) {
- var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);
-
- // Map ICE parameters (ufrag, pwd) to SDP.
- sdp += SDPUtils.writeIceParameters(
- transceiver.iceGatherer.getLocalParameters());
-
- // Map DTLS parameters to SDP.
- sdp += SDPUtils.writeDtlsParameters(
- transceiver.dtlsTransport.getLocalParameters(),
- type === 'offer' ? 'actpass' : 'active');
-
- sdp += 'a=mid:' + transceiver.mid + '\r\n';
-
- if (transceiver.direction) {
- sdp += 'a=' + transceiver.direction + '\r\n';
- } else if (transceiver.rtpSender && transceiver.rtpReceiver) {
- sdp += 'a=sendrecv\r\n';
- } else if (transceiver.rtpSender) {
- sdp += 'a=sendonly\r\n';
- } else if (transceiver.rtpReceiver) {
- sdp += 'a=recvonly\r\n';
- } else {
- sdp += 'a=inactive\r\n';
- }
-
- if (transceiver.rtpSender) {
- // spec.
- var msid = 'msid:' + stream.id + ' ' +
- transceiver.rtpSender.track.id + '\r\n';
- sdp += 'a=' + msid;
-
- // for Chrome.
- sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
- ' ' + msid;
- if (transceiver.sendEncodingParameters[0].rtx) {
- sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
- ' ' + msid;
- sdp += 'a=ssrc-group:FID ' +
- transceiver.sendEncodingParameters[0].ssrc + ' ' +
- transceiver.sendEncodingParameters[0].rtx.ssrc +
- '\r\n';
- }
- }
- // FIXME: this should be written by writeRtpDescription.
- sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
- ' cname:' + SDPUtils.localCName + '\r\n';
- if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
- sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
- ' cname:' + SDPUtils.localCName + '\r\n';
- }
- return sdp;
-};
-
-// Gets the direction from the mediaSection or the sessionpart.
-SDPUtils.getDirection = function(mediaSection, sessionpart) {
- // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
- var lines = SDPUtils.splitLines(mediaSection);
- for (var i = 0; i < lines.length; i++) {
- switch (lines[i]) {
- case 'a=sendrecv':
- case 'a=sendonly':
- case 'a=recvonly':
- case 'a=inactive':
- return lines[i].substr(2);
- default:
- // FIXME: What should happen here?
- }
- }
- if (sessionpart) {
- return SDPUtils.getDirection(sessionpart);
- }
- return 'sendrecv';
-};
-
-SDPUtils.getKind = function(mediaSection) {
- var lines = SDPUtils.splitLines(mediaSection);
- var mline = lines[0].split(' ');
- return mline[0].substr(2);
-};
-
-SDPUtils.isRejected = function(mediaSection) {
- return mediaSection.split(' ', 2)[1] === '0';
-};
-
-SDPUtils.parseMLine = function(mediaSection) {
- var lines = SDPUtils.splitLines(mediaSection);
- var mline = lines[0].split(' ');
- return {
- kind: mline[0].substr(2),
- port: parseInt(mline[1], 10),
- protocol: mline[2],
- fmt: mline.slice(3).join(' ')
- };
-};
-
-// Expose public methods.
-if (typeof module === 'object') {
- module.exports = SDPUtils;
-}
-
-},{}],3:[function(require,module,exports){
-(function (global){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-
-'use strict';
-
-var adapterFactory = require('./adapter_factory.js');
-module.exports = adapterFactory({window: global.window});
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./adapter_factory.js":4}],4:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-
-'use strict';
-
-var utils = require('./utils');
-// Shimming starts here.
-module.exports = function(dependencies, opts) {
- var window = dependencies && dependencies.window;
-
- var options = {
- shimChrome: true,
- shimFirefox: true,
- shimEdge: true,
- shimSafari: true,
- };
-
- for (var key in opts) {
- if (hasOwnProperty.call(opts, key)) {
- options[key] = opts[key];
- }
- }
-
- // Utils.
- var logging = utils.log;
- var browserDetails = utils.detectBrowser(window);
-
- // Uncomment the line below if you want logging to occur, including logging
- // for the switch statement below. Can also be turned on in the browser via
- // adapter.disableLog(false), but then logging from the switch statement below
- // will not appear.
- // require('./utils').disableLog(false);
-
- // Browser shims.
- var chromeShim = require('./chrome/chrome_shim') || null;
- var edgeShim = require('./edge/edge_shim') || null;
- var firefoxShim = require('./firefox/firefox_shim') || null;
- var safariShim = require('./safari/safari_shim') || null;
- var commonShim = require('./common_shim') || null;
-
- // Export to the adapter global object visible in the browser.
- var adapter = {
- browserDetails: browserDetails,
- commonShim: commonShim,
- extractVersion: utils.extractVersion,
- disableLog: utils.disableLog,
- disableWarnings: utils.disableWarnings
- };
-
- // Shim browser if found.
- switch (browserDetails.browser) {
- case 'chrome':
- if (!chromeShim || !chromeShim.shimPeerConnection ||
- !options.shimChrome) {
- logging('Chrome shim is not included in this adapter release.');
- return adapter;
- }
- logging('adapter.js shimming chrome.');
- // Export to the adapter global object visible in the browser.
- adapter.browserShim = chromeShim;
- commonShim.shimCreateObjectURL(window);
-
- chromeShim.shimGetUserMedia(window);
- chromeShim.shimMediaStream(window);
- chromeShim.shimSourceObject(window);
- chromeShim.shimPeerConnection(window);
- chromeShim.shimOnTrack(window);
- chromeShim.shimAddTrackRemoveTrack(window);
- chromeShim.shimGetSendersWithDtmf(window);
-
- commonShim.shimRTCIceCandidate(window);
- commonShim.shimMaxMessageSize(window);
- commonShim.shimSendThrowTypeError(window);
- break;
- case 'firefox':
- if (!firefoxShim || !firefoxShim.shimPeerConnection ||
- !options.shimFirefox) {
- logging('Firefox shim is not included in this adapter release.');
- return adapter;
- }
- logging('adapter.js shimming firefox.');
- // Export to the adapter global object visible in the browser.
- adapter.browserShim = firefoxShim;
- commonShim.shimCreateObjectURL(window);
-
- firefoxShim.shimGetUserMedia(window);
- firefoxShim.shimSourceObject(window);
- firefoxShim.shimPeerConnection(window);
- firefoxShim.shimOnTrack(window);
- firefoxShim.shimRemoveStream(window);
-
- commonShim.shimRTCIceCandidate(window);
- commonShim.shimMaxMessageSize(window);
- commonShim.shimSendThrowTypeError(window);
- break;
- case 'edge':
- if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) {
- logging('MS edge shim is not included in this adapter release.');
- return adapter;
- }
- logging('adapter.js shimming edge.');
- // Export to the adapter global object visible in the browser.
- adapter.browserShim = edgeShim;
- commonShim.shimCreateObjectURL(window);
-
- edgeShim.shimGetUserMedia(window);
- edgeShim.shimPeerConnection(window);
- edgeShim.shimReplaceTrack(window);
-
- // the edge shim implements the full RTCIceCandidate object.
-
- commonShim.shimMaxMessageSize(window);
- commonShim.shimSendThrowTypeError(window);
- break;
- case 'safari':
- if (!safariShim || !options.shimSafari) {
- logging('Safari shim is not included in this adapter release.');
- return adapter;
- }
- logging('adapter.js shimming safari.');
- // Export to the adapter global object visible in the browser.
- adapter.browserShim = safariShim;
- commonShim.shimCreateObjectURL(window);
-
- safariShim.shimRTCIceServerUrls(window);
- safariShim.shimCallbacksAPI(window);
- safariShim.shimLocalStreamsAPI(window);
- safariShim.shimRemoteStreamsAPI(window);
- safariShim.shimTrackEventTransceiver(window);
- safariShim.shimGetUserMedia(window);
- safariShim.shimCreateOfferLegacy(window);
-
- commonShim.shimRTCIceCandidate(window);
- commonShim.shimMaxMessageSize(window);
- commonShim.shimSendThrowTypeError(window);
- break;
- default:
- logging('Unsupported browser!');
- break;
- }
-
- return adapter;
-};
-
-},{"./chrome/chrome_shim":5,"./common_shim":7,"./edge/edge_shim":8,"./firefox/firefox_shim":10,"./safari/safari_shim":12,"./utils":13}],5:[function(require,module,exports){
-
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-var utils = require('../utils.js');
-var logging = utils.log;
-
-module.exports = {
- shimGetUserMedia: require('./getusermedia'),
- shimMediaStream: function(window) {
- window.MediaStream = window.MediaStream || window.webkitMediaStream;
- },
-
- shimOnTrack: function(window) {
- if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
- window.RTCPeerConnection.prototype)) {
- Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
- get: function() {
- return this._ontrack;
- },
- set: function(f) {
- if (this._ontrack) {
- this.removeEventListener('track', this._ontrack);
- }
- this.addEventListener('track', this._ontrack = f);
- }
- });
- var origSetRemoteDescription =
- window.RTCPeerConnection.prototype.setRemoteDescription;
- window.RTCPeerConnection.prototype.setRemoteDescription = function() {
- var pc = this;
- if (!pc._ontrackpoly) {
- pc._ontrackpoly = function(e) {
- // onaddstream does not fire when a track is added to an existing
- // stream. But stream.onaddtrack is implemented so we use that.
- e.stream.addEventListener('addtrack', function(te) {
- var receiver;
- if (window.RTCPeerConnection.prototype.getReceivers) {
- receiver = pc.getReceivers().find(function(r) {
- return r.track && r.track.id === te.track.id;
- });
- } else {
- receiver = {track: te.track};
- }
-
- var event = new Event('track');
- event.track = te.track;
- event.receiver = receiver;
- event.transceiver = {receiver: receiver};
- event.streams = [e.stream];
- pc.dispatchEvent(event);
- });
- e.stream.getTracks().forEach(function(track) {
- var receiver;
- if (window.RTCPeerConnection.prototype.getReceivers) {
- receiver = pc.getReceivers().find(function(r) {
- return r.track && r.track.id === track.id;
- });
- } else {
- receiver = {track: track};
- }
- var event = new Event('track');
- event.track = track;
- event.receiver = receiver;
- event.transceiver = {receiver: receiver};
- event.streams = [e.stream];
- pc.dispatchEvent(event);
- });
- };
- pc.addEventListener('addstream', pc._ontrackpoly);
- }
- return origSetRemoteDescription.apply(pc, arguments);
- };
- } else if (!('RTCRtpTransceiver' in window)) {
- utils.wrapPeerConnectionEvent(window, 'track', function(e) {
- if (!e.transceiver) {
- e.transceiver = {receiver: e.receiver};
- }
- return e;
- });
- }
- },
-
- shimGetSendersWithDtmf: function(window) {
- // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.
- if (typeof window === 'object' && window.RTCPeerConnection &&
- !('getSenders' in window.RTCPeerConnection.prototype) &&
- 'createDTMFSender' in window.RTCPeerConnection.prototype) {
- var shimSenderWithDtmf = function(pc, track) {
- return {
- track: track,
- get dtmf() {
- if (this._dtmf === undefined) {
- if (track.kind === 'audio') {
- this._dtmf = pc.createDTMFSender(track);
- } else {
- this._dtmf = null;
- }
- }
- return this._dtmf;
- },
- _pc: pc
- };
- };
-
- // augment addTrack when getSenders is not available.
- if (!window.RTCPeerConnection.prototype.getSenders) {
- window.RTCPeerConnection.prototype.getSenders = function() {
- this._senders = this._senders || [];
- return this._senders.slice(); // return a copy of the internal state.
- };
- var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
- window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
- var pc = this;
- var sender = origAddTrack.apply(pc, arguments);
- if (!sender) {
- sender = shimSenderWithDtmf(pc, track);
- pc._senders.push(sender);
- }
- return sender;
- };
-
- var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
- window.RTCPeerConnection.prototype.removeTrack = function(sender) {
- var pc = this;
- origRemoveTrack.apply(pc, arguments);
- var idx = pc._senders.indexOf(sender);
- if (idx !== -1) {
- pc._senders.splice(idx, 1);
- }
- };
- }
- var origAddStream = window.RTCPeerConnection.prototype.addStream;
- window.RTCPeerConnection.prototype.addStream = function(stream) {
- var pc = this;
- pc._senders = pc._senders || [];
- origAddStream.apply(pc, [stream]);
- stream.getTracks().forEach(function(track) {
- pc._senders.push(shimSenderWithDtmf(pc, track));
- });
- };
-
- var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- var pc = this;
- pc._senders = pc._senders || [];
- origRemoveStream.apply(pc, [stream]);
-
- stream.getTracks().forEach(function(track) {
- var sender = pc._senders.find(function(s) {
- return s.track === track;
- });
- if (sender) {
- pc._senders.splice(pc._senders.indexOf(sender), 1); // remove sender
- }
- });
- };
- } else if (typeof window === 'object' && window.RTCPeerConnection &&
- 'getSenders' in window.RTCPeerConnection.prototype &&
- 'createDTMFSender' in window.RTCPeerConnection.prototype &&
- window.RTCRtpSender &&
- !('dtmf' in window.RTCRtpSender.prototype)) {
- var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
- window.RTCPeerConnection.prototype.getSenders = function() {
- var pc = this;
- var senders = origGetSenders.apply(pc, []);
- senders.forEach(function(sender) {
- sender._pc = pc;
- });
- return senders;
- };
-
- Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
- get: function() {
- if (this._dtmf === undefined) {
- if (this.track.kind === 'audio') {
- this._dtmf = this._pc.createDTMFSender(this.track);
- } else {
- this._dtmf = null;
- }
- }
- return this._dtmf;
- }
- });
- }
- },
-
- shimSourceObject: function(window) {
- var URL = window && window.URL;
-
- if (typeof window === 'object') {
- if (window.HTMLMediaElement &&
- !('srcObject' in window.HTMLMediaElement.prototype)) {
- // Shim the srcObject property, once, when HTMLMediaElement is found.
- Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
- get: function() {
- return this._srcObject;
- },
- set: function(stream) {
- var self = this;
- // Use _srcObject as a private property for this shim
- this._srcObject = stream;
- if (this.src) {
- URL.revokeObjectURL(this.src);
- }
-
- if (!stream) {
- this.src = '';
- return undefined;
- }
- this.src = URL.createObjectURL(stream);
- // We need to recreate the blob url when a track is added or
- // removed. Doing it manually since we want to avoid a recursion.
- stream.addEventListener('addtrack', function() {
- if (self.src) {
- URL.revokeObjectURL(self.src);
- }
- self.src = URL.createObjectURL(stream);
- });
- stream.addEventListener('removetrack', function() {
- if (self.src) {
- URL.revokeObjectURL(self.src);
- }
- self.src = URL.createObjectURL(stream);
- });
- }
- });
- }
- }
- },
-
- shimAddTrackRemoveTrackWithNative: function(window) {
- // shim addTrack/removeTrack with native variants in order to make
- // the interactions with legacy getLocalStreams behave as in other browsers.
- // Keeps a mapping stream.id => [stream, rtpsenders...]
- window.RTCPeerConnection.prototype.getLocalStreams = function() {
- var pc = this;
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
- return Object.keys(this._shimmedLocalStreams).map(function(streamId) {
- return pc._shimmedLocalStreams[streamId][0];
- });
- };
-
- var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
- window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
- if (!stream) {
- return origAddTrack.apply(this, arguments);
- }
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-
- var sender = origAddTrack.apply(this, arguments);
- if (!this._shimmedLocalStreams[stream.id]) {
- this._shimmedLocalStreams[stream.id] = [stream, sender];
- } else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {
- this._shimmedLocalStreams[stream.id].push(sender);
- }
- return sender;
- };
-
- var origAddStream = window.RTCPeerConnection.prototype.addStream;
- window.RTCPeerConnection.prototype.addStream = function(stream) {
- var pc = this;
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-
- stream.getTracks().forEach(function(track) {
- var alreadyExists = pc.getSenders().find(function(s) {
- return s.track === track;
- });
- if (alreadyExists) {
- throw new DOMException('Track already exists.',
- 'InvalidAccessError');
- }
- });
- var existingSenders = pc.getSenders();
- origAddStream.apply(this, arguments);
- var newSenders = pc.getSenders().filter(function(newSender) {
- return existingSenders.indexOf(newSender) === -1;
- });
- this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);
- };
-
- var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
- delete this._shimmedLocalStreams[stream.id];
- return origRemoveStream.apply(this, arguments);
- };
-
- var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
- window.RTCPeerConnection.prototype.removeTrack = function(sender) {
- var pc = this;
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
- if (sender) {
- Object.keys(this._shimmedLocalStreams).forEach(function(streamId) {
- var idx = pc._shimmedLocalStreams[streamId].indexOf(sender);
- if (idx !== -1) {
- pc._shimmedLocalStreams[streamId].splice(idx, 1);
- }
- if (pc._shimmedLocalStreams[streamId].length === 1) {
- delete pc._shimmedLocalStreams[streamId];
- }
- });
- }
- return origRemoveTrack.apply(this, arguments);
- };
- },
-
- shimAddTrackRemoveTrack: function(window) {
- var browserDetails = utils.detectBrowser(window);
- // shim addTrack and removeTrack.
- if (window.RTCPeerConnection.prototype.addTrack &&
- browserDetails.version >= 65) {
- return this.shimAddTrackRemoveTrackWithNative(window);
- }
-
- // also shim pc.getLocalStreams when addTrack is shimmed
- // to return the original streams.
- var origGetLocalStreams = window.RTCPeerConnection.prototype
- .getLocalStreams;
- window.RTCPeerConnection.prototype.getLocalStreams = function() {
- var pc = this;
- var nativeStreams = origGetLocalStreams.apply(this);
- pc._reverseStreams = pc._reverseStreams || {};
- return nativeStreams.map(function(stream) {
- return pc._reverseStreams[stream.id];
- });
- };
-
- var origAddStream = window.RTCPeerConnection.prototype.addStream;
- window.RTCPeerConnection.prototype.addStream = function(stream) {
- var pc = this;
- pc._streams = pc._streams || {};
- pc._reverseStreams = pc._reverseStreams || {};
-
- stream.getTracks().forEach(function(track) {
- var alreadyExists = pc.getSenders().find(function(s) {
- return s.track === track;
- });
- if (alreadyExists) {
- throw new DOMException('Track already exists.',
- 'InvalidAccessError');
- }
- });
- // Add identity mapping for consistency with addTrack.
- // Unless this is being used with a stream from addTrack.
- if (!pc._reverseStreams[stream.id]) {
- var newStream = new window.MediaStream(stream.getTracks());
- pc._streams[stream.id] = newStream;
- pc._reverseStreams[newStream.id] = stream;
- stream = newStream;
- }
- origAddStream.apply(pc, [stream]);
- };
-
- var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- var pc = this;
- pc._streams = pc._streams || {};
- pc._reverseStreams = pc._reverseStreams || {};
-
- origRemoveStream.apply(pc, [(pc._streams[stream.id] || stream)]);
- delete pc._reverseStreams[(pc._streams[stream.id] ?
- pc._streams[stream.id].id : stream.id)];
- delete pc._streams[stream.id];
- };
-
- window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
- var pc = this;
- if (pc.signalingState === 'closed') {
- throw new DOMException(
- 'The RTCPeerConnection\'s signalingState is \'closed\'.',
- 'InvalidStateError');
- }
- var streams = [].slice.call(arguments, 1);
- if (streams.length !== 1 ||
- !streams[0].getTracks().find(function(t) {
- return t === track;
- })) {
- // this is not fully correct but all we can manage without
- // [[associated MediaStreams]] internal slot.
- throw new DOMException(
- 'The adapter.js addTrack polyfill only supports a single ' +
- ' stream which is associated with the specified track.',
- 'NotSupportedError');
- }
-
- var alreadyExists = pc.getSenders().find(function(s) {
- return s.track === track;
- });
- if (alreadyExists) {
- throw new DOMException('Track already exists.',
- 'InvalidAccessError');
- }
-
- pc._streams = pc._streams || {};
- pc._reverseStreams = pc._reverseStreams || {};
- var oldStream = pc._streams[stream.id];
- if (oldStream) {
- // this is using odd Chrome behaviour, use with caution:
- // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815
- // Note: we rely on the high-level addTrack/dtmf shim to
- // create the sender with a dtmf sender.
- oldStream.addTrack(track);
-
- // Trigger ONN async.
- Promise.resolve().then(function() {
- pc.dispatchEvent(new Event('negotiationneeded'));
- });
- } else {
- var newStream = new window.MediaStream([track]);
- pc._streams[stream.id] = newStream;
- pc._reverseStreams[newStream.id] = stream;
- pc.addStream(newStream);
- }
- return pc.getSenders().find(function(s) {
- return s.track === track;
- });
- };
-
- // replace the internal stream id with the external one and
- // vice versa.
- function replaceInternalStreamId(pc, description) {
- var sdp = description.sdp;
- Object.keys(pc._reverseStreams || []).forEach(function(internalId) {
- var externalStream = pc._reverseStreams[internalId];
- var internalStream = pc._streams[externalStream.id];
- sdp = sdp.replace(new RegExp(internalStream.id, 'g'),
- externalStream.id);
- });
- return new RTCSessionDescription({
- type: description.type,
- sdp: sdp
- });
- }
- function replaceExternalStreamId(pc, description) {
- var sdp = description.sdp;
- Object.keys(pc._reverseStreams || []).forEach(function(internalId) {
- var externalStream = pc._reverseStreams[internalId];
- var internalStream = pc._streams[externalStream.id];
- sdp = sdp.replace(new RegExp(externalStream.id, 'g'),
- internalStream.id);
- });
- return new RTCSessionDescription({
- type: description.type,
- sdp: sdp
- });
- }
- ['createOffer', 'createAnswer'].forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- var pc = this;
- var args = arguments;
- var isLegacyCall = arguments.length &&
- typeof arguments[0] === 'function';
- if (isLegacyCall) {
- return nativeMethod.apply(pc, [
- function(description) {
- var desc = replaceInternalStreamId(pc, description);
- args[0].apply(null, [desc]);
- },
- function(err) {
- if (args[1]) {
- args[1].apply(null, err);
- }
- }, arguments[2]
- ]);
- }
- return nativeMethod.apply(pc, arguments)
- .then(function(description) {
- return replaceInternalStreamId(pc, description);
- });
- };
- });
-
- var origSetLocalDescription =
- window.RTCPeerConnection.prototype.setLocalDescription;
- window.RTCPeerConnection.prototype.setLocalDescription = function() {
- var pc = this;
- if (!arguments.length || !arguments[0].type) {
- return origSetLocalDescription.apply(pc, arguments);
- }
- arguments[0] = replaceExternalStreamId(pc, arguments[0]);
- return origSetLocalDescription.apply(pc, arguments);
- };
-
- // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier
-
- var origLocalDescription = Object.getOwnPropertyDescriptor(
- window.RTCPeerConnection.prototype, 'localDescription');
- Object.defineProperty(window.RTCPeerConnection.prototype,
- 'localDescription', {
- get: function() {
- var pc = this;
- var description = origLocalDescription.get.apply(this);
- if (description.type === '') {
- return description;
- }
- return replaceInternalStreamId(pc, description);
- }
- });
-
- window.RTCPeerConnection.prototype.removeTrack = function(sender) {
- var pc = this;
- if (pc.signalingState === 'closed') {
- throw new DOMException(
- 'The RTCPeerConnection\'s signalingState is \'closed\'.',
- 'InvalidStateError');
- }
- // We can not yet check for sender instanceof RTCRtpSender
- // since we shim RTPSender. So we check if sender._pc is set.
- if (!sender._pc) {
- throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' +
- 'does not implement interface RTCRtpSender.', 'TypeError');
- }
- var isLocal = sender._pc === pc;
- if (!isLocal) {
- throw new DOMException('Sender was not created by this connection.',
- 'InvalidAccessError');
- }
-
- // Search for the native stream the senders track belongs to.
- pc._streams = pc._streams || {};
- var stream;
- Object.keys(pc._streams).forEach(function(streamid) {
- var hasTrack = pc._streams[streamid].getTracks().find(function(track) {
- return sender.track === track;
- });
- if (hasTrack) {
- stream = pc._streams[streamid];
- }
- });
-
- if (stream) {
- if (stream.getTracks().length === 1) {
- // if this is the last track of the stream, remove the stream. This
- // takes care of any shimmed _senders.
- pc.removeStream(pc._reverseStreams[stream.id]);
- } else {
- // relying on the same odd chrome behaviour as above.
- stream.removeTrack(sender.track);
- }
- pc.dispatchEvent(new Event('negotiationneeded'));
- }
- };
- },
-
- shimPeerConnection: function(window) {
- var browserDetails = utils.detectBrowser(window);
-
- // The RTCPeerConnection object.
- if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {
- window.RTCPeerConnection = function(pcConfig, pcConstraints) {
- // Translate iceTransportPolicy to iceTransports,
- // see https://code.google.com/p/webrtc/issues/detail?id=4869
- // this was fixed in M56 along with unprefixing RTCPeerConnection.
- logging('PeerConnection');
- if (pcConfig && pcConfig.iceTransportPolicy) {
- pcConfig.iceTransports = pcConfig.iceTransportPolicy;
- }
-
- return new window.webkitRTCPeerConnection(pcConfig, pcConstraints);
- };
- window.RTCPeerConnection.prototype =
- window.webkitRTCPeerConnection.prototype;
- // wrap static methods. Currently just generateCertificate.
- if (window.webkitRTCPeerConnection.generateCertificate) {
- Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
- get: function() {
- return window.webkitRTCPeerConnection.generateCertificate;
- }
- });
- }
- } else {
- // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
- var OrigPeerConnection = window.RTCPeerConnection;
- window.RTCPeerConnection = function(pcConfig, pcConstraints) {
- if (pcConfig && pcConfig.iceServers) {
- var newIceServers = [];
- for (var i = 0; i < pcConfig.iceServers.length; i++) {
- var server = pcConfig.iceServers[i];
- if (!server.hasOwnProperty('urls') &&
- server.hasOwnProperty('url')) {
- utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
- server = JSON.parse(JSON.stringify(server));
- server.urls = server.url;
- newIceServers.push(server);
- } else {
- newIceServers.push(pcConfig.iceServers[i]);
- }
- }
- pcConfig.iceServers = newIceServers;
- }
- return new OrigPeerConnection(pcConfig, pcConstraints);
- };
- window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
- // wrap static methods. Currently just generateCertificate.
- Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
- get: function() {
- return OrigPeerConnection.generateCertificate;
- }
- });
- }
-
- var origGetStats = window.RTCPeerConnection.prototype.getStats;
- window.RTCPeerConnection.prototype.getStats = function(selector,
- successCallback, errorCallback) {
- var pc = this;
- var args = arguments;
-
- // If selector is a function then we are in the old style stats so just
- // pass back the original getStats format to avoid breaking old users.
- if (arguments.length > 0 && typeof selector === 'function') {
- return origGetStats.apply(this, arguments);
- }
-
- // When spec-style getStats is supported, return those when called with
- // either no arguments or the selector argument is null.
- if (origGetStats.length === 0 && (arguments.length === 0 ||
- typeof arguments[0] !== 'function')) {
- return origGetStats.apply(this, []);
- }
-
- var fixChromeStats_ = function(response) {
- var standardReport = {};
- var reports = response.result();
- reports.forEach(function(report) {
- var standardStats = {
- id: report.id,
- timestamp: report.timestamp,
- type: {
- localcandidate: 'local-candidate',
- remotecandidate: 'remote-candidate'
- }[report.type] || report.type
- };
- report.names().forEach(function(name) {
- standardStats[name] = report.stat(name);
- });
- standardReport[standardStats.id] = standardStats;
- });
-
- return standardReport;
- };
-
- // shim getStats with maplike support
- var makeMapStats = function(stats) {
- return new Map(Object.keys(stats).map(function(key) {
- return [key, stats[key]];
- }));
- };
-
- if (arguments.length >= 2) {
- var successCallbackWrapper_ = function(response) {
- args[1](makeMapStats(fixChromeStats_(response)));
- };
-
- return origGetStats.apply(this, [successCallbackWrapper_,
- arguments[0]]);
- }
-
- // promise-support
- return new Promise(function(resolve, reject) {
- origGetStats.apply(pc, [
- function(response) {
- resolve(makeMapStats(fixChromeStats_(response)));
- }, reject]);
- }).then(successCallback, errorCallback);
- };
-
- // add promise support -- natively available in Chrome 51
- if (browserDetails.version < 51) {
- ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
- .forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- var args = arguments;
- var pc = this;
- var promise = new Promise(function(resolve, reject) {
- nativeMethod.apply(pc, [args[0], resolve, reject]);
- });
- if (args.length < 2) {
- return promise;
- }
- return promise.then(function() {
- args[1].apply(null, []);
- },
- function(err) {
- if (args.length >= 3) {
- args[2].apply(null, [err]);
- }
- });
- };
- });
- }
-
- // promise support for createOffer and createAnswer. Available (without
- // bugs) since M52: crbug/619289
- if (browserDetails.version < 52) {
- ['createOffer', 'createAnswer'].forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- var pc = this;
- if (arguments.length < 1 || (arguments.length === 1 &&
- typeof arguments[0] === 'object')) {
- var opts = arguments.length === 1 ? arguments[0] : undefined;
- return new Promise(function(resolve, reject) {
- nativeMethod.apply(pc, [resolve, reject, opts]);
- });
- }
- return nativeMethod.apply(this, arguments);
- };
- });
- }
-
- // shim implicit creation of RTCSessionDescription/RTCIceCandidate
- ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
- .forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- arguments[0] = new ((method === 'addIceCandidate') ?
- window.RTCIceCandidate :
- window.RTCSessionDescription)(arguments[0]);
- return nativeMethod.apply(this, arguments);
- };
- });
-
- // support for addIceCandidate(null or undefined)
- var nativeAddIceCandidate =
- window.RTCPeerConnection.prototype.addIceCandidate;
- window.RTCPeerConnection.prototype.addIceCandidate = function() {
- if (!arguments[0]) {
- if (arguments[1]) {
- arguments[1].apply(null);
- }
- return Promise.resolve();
- }
- return nativeAddIceCandidate.apply(this, arguments);
- };
- }
-};
-
-},{"../utils.js":13,"./getusermedia":6}],6:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-var utils = require('../utils.js');
-var logging = utils.log;
-
-// Expose public methods.
-module.exports = function(window) {
- var browserDetails = utils.detectBrowser(window);
- var navigator = window && window.navigator;
-
- var constraintsToChrome_ = function(c) {
- if (typeof c !== 'object' || c.mandatory || c.optional) {
- return c;
- }
- var cc = {};
- Object.keys(c).forEach(function(key) {
- if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
- return;
- }
- var r = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]};
- if (r.exact !== undefined && typeof r.exact === 'number') {
- r.min = r.max = r.exact;
- }
- var oldname_ = function(prefix, name) {
- if (prefix) {
- return prefix + name.charAt(0).toUpperCase() + name.slice(1);
- }
- return (name === 'deviceId') ? 'sourceId' : name;
- };
- if (r.ideal !== undefined) {
- cc.optional = cc.optional || [];
- var oc = {};
- if (typeof r.ideal === 'number') {
- oc[oldname_('min', key)] = r.ideal;
- cc.optional.push(oc);
- oc = {};
- oc[oldname_('max', key)] = r.ideal;
- cc.optional.push(oc);
- } else {
- oc[oldname_('', key)] = r.ideal;
- cc.optional.push(oc);
- }
- }
- if (r.exact !== undefined && typeof r.exact !== 'number') {
- cc.mandatory = cc.mandatory || {};
- cc.mandatory[oldname_('', key)] = r.exact;
- } else {
- ['min', 'max'].forEach(function(mix) {
- if (r[mix] !== undefined) {
- cc.mandatory = cc.mandatory || {};
- cc.mandatory[oldname_(mix, key)] = r[mix];
- }
- });
- }
- });
- if (c.advanced) {
- cc.optional = (cc.optional || []).concat(c.advanced);
- }
- return cc;
- };
-
- var shimConstraints_ = function(constraints, func) {
- if (browserDetails.version >= 61) {
- return func(constraints);
- }
- constraints = JSON.parse(JSON.stringify(constraints));
- if (constraints && typeof constraints.audio === 'object') {
- var remap = function(obj, a, b) {
- if (a in obj && !(b in obj)) {
- obj[b] = obj[a];
- delete obj[a];
- }
- };
- constraints = JSON.parse(JSON.stringify(constraints));
- remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');
- remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');
- constraints.audio = constraintsToChrome_(constraints.audio);
- }
- if (constraints && typeof constraints.video === 'object') {
- // Shim facingMode for mobile & surface pro.
- var face = constraints.video.facingMode;
- face = face && ((typeof face === 'object') ? face : {ideal: face});
- var getSupportedFacingModeLies = browserDetails.version < 66;
-
- if ((face && (face.exact === 'user' || face.exact === 'environment' ||
- face.ideal === 'user' || face.ideal === 'environment')) &&
- !(navigator.mediaDevices.getSupportedConstraints &&
- navigator.mediaDevices.getSupportedConstraints().facingMode &&
- !getSupportedFacingModeLies)) {
- delete constraints.video.facingMode;
- var matches;
- if (face.exact === 'environment' || face.ideal === 'environment') {
- matches = ['back', 'rear'];
- } else if (face.exact === 'user' || face.ideal === 'user') {
- matches = ['front'];
- }
- if (matches) {
- // Look for matches in label, or use last cam for back (typical).
- return navigator.mediaDevices.enumerateDevices()
- .then(function(devices) {
- devices = devices.filter(function(d) {
- return d.kind === 'videoinput';
- });
- var dev = devices.find(function(d) {
- return matches.some(function(match) {
- return d.label.toLowerCase().indexOf(match) !== -1;
- });
- });
- if (!dev && devices.length && matches.indexOf('back') !== -1) {
- dev = devices[devices.length - 1]; // more likely the back cam
- }
- if (dev) {
- constraints.video.deviceId = face.exact ? {exact: dev.deviceId} :
- {ideal: dev.deviceId};
- }
- constraints.video = constraintsToChrome_(constraints.video);
- logging('chrome: ' + JSON.stringify(constraints));
- return func(constraints);
- });
- }
- }
- constraints.video = constraintsToChrome_(constraints.video);
- }
- logging('chrome: ' + JSON.stringify(constraints));
- return func(constraints);
- };
-
- var shimError_ = function(e) {
- return {
- name: {
- PermissionDeniedError: 'NotAllowedError',
- InvalidStateError: 'NotReadableError',
- DevicesNotFoundError: 'NotFoundError',
- ConstraintNotSatisfiedError: 'OverconstrainedError',
- TrackStartError: 'NotReadableError',
- MediaDeviceFailedDueToShutdown: 'NotReadableError',
- MediaDeviceKillSwitchOn: 'NotReadableError'
- }[e.name] || e.name,
- message: e.message,
- constraint: e.constraintName,
- toString: function() {
- return this.name + (this.message && ': ') + this.message;
- }
- };
- };
-
- var getUserMedia_ = function(constraints, onSuccess, onError) {
- shimConstraints_(constraints, function(c) {
- navigator.webkitGetUserMedia(c, onSuccess, function(e) {
- if (onError) {
- onError(shimError_(e));
- }
- });
- });
- };
-
- navigator.getUserMedia = getUserMedia_;
-
- // Returns the result of getUserMedia as a Promise.
- var getUserMediaPromise_ = function(constraints) {
- return new Promise(function(resolve, reject) {
- navigator.getUserMedia(constraints, resolve, reject);
- });
- };
-
- if (!navigator.mediaDevices) {
- navigator.mediaDevices = {
- getUserMedia: getUserMediaPromise_,
- enumerateDevices: function() {
- return new Promise(function(resolve) {
- var kinds = {audio: 'audioinput', video: 'videoinput'};
- return window.MediaStreamTrack.getSources(function(devices) {
- resolve(devices.map(function(device) {
- return {label: device.label,
- kind: kinds[device.kind],
- deviceId: device.id,
- groupId: ''};
- }));
- });
- });
- },
- getSupportedConstraints: function() {
- return {
- deviceId: true, echoCancellation: true, facingMode: true,
- frameRate: true, height: true, width: true
- };
- }
- };
- }
-
- // A shim for getUserMedia method on the mediaDevices object.
- // TODO(KaptenJansson) remove once implemented in Chrome stable.
- if (!navigator.mediaDevices.getUserMedia) {
- navigator.mediaDevices.getUserMedia = function(constraints) {
- return getUserMediaPromise_(constraints);
- };
- } else {
- // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
- // function which returns a Promise, it does not accept spec-style
- // constraints.
- var origGetUserMedia = navigator.mediaDevices.getUserMedia.
- bind(navigator.mediaDevices);
- navigator.mediaDevices.getUserMedia = function(cs) {
- return shimConstraints_(cs, function(c) {
- return origGetUserMedia(c).then(function(stream) {
- if (c.audio && !stream.getAudioTracks().length ||
- c.video && !stream.getVideoTracks().length) {
- stream.getTracks().forEach(function(track) {
- track.stop();
- });
- throw new DOMException('', 'NotFoundError');
- }
- return stream;
- }, function(e) {
- return Promise.reject(shimError_(e));
- });
- });
- };
- }
-
- // Dummy devicechange event methods.
- // TODO(KaptenJansson) remove once implemented in Chrome stable.
- if (typeof navigator.mediaDevices.addEventListener === 'undefined') {
- navigator.mediaDevices.addEventListener = function() {
- logging('Dummy mediaDevices.addEventListener called.');
- };
- }
- if (typeof navigator.mediaDevices.removeEventListener === 'undefined') {
- navigator.mediaDevices.removeEventListener = function() {
- logging('Dummy mediaDevices.removeEventListener called.');
- };
- }
-};
-
-},{"../utils.js":13}],7:[function(require,module,exports){
-/*
- * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var SDPUtils = require('sdp');
-var utils = require('./utils');
-
-module.exports = {
- shimRTCIceCandidate: function(window) {
- // foundation is arbitrarily chosen as an indicator for full support for
- // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface
- if (window.RTCIceCandidate && 'foundation' in
- window.RTCIceCandidate.prototype) {
- return;
- }
-
- var NativeRTCIceCandidate = window.RTCIceCandidate;
- window.RTCIceCandidate = function(args) {
- // Remove the a= which shouldn't be part of the candidate string.
- if (typeof args === 'object' && args.candidate &&
- args.candidate.indexOf('a=') === 0) {
- args = JSON.parse(JSON.stringify(args));
- args.candidate = args.candidate.substr(2);
- }
-
- // Augment the native candidate with the parsed fields.
- var nativeCandidate = new NativeRTCIceCandidate(args);
- var parsedCandidate = SDPUtils.parseCandidate(args.candidate);
- var augmentedCandidate = Object.assign(nativeCandidate,
- parsedCandidate);
-
- // Add a serializer that does not serialize the extra attributes.
- augmentedCandidate.toJSON = function() {
- return {
- candidate: augmentedCandidate.candidate,
- sdpMid: augmentedCandidate.sdpMid,
- sdpMLineIndex: augmentedCandidate.sdpMLineIndex,
- usernameFragment: augmentedCandidate.usernameFragment,
- };
- };
- return augmentedCandidate;
- };
-
- // Hook up the augmented candidate in onicecandidate and
- // addEventListener('icecandidate', ...)
- utils.wrapPeerConnectionEvent(window, 'icecandidate', function(e) {
- if (e.candidate) {
- Object.defineProperty(e, 'candidate', {
- value: new window.RTCIceCandidate(e.candidate),
- writable: 'false'
- });
- }
- return e;
- });
- },
-
- // shimCreateObjectURL must be called before shimSourceObject to avoid loop.
-
- shimCreateObjectURL: function(window) {
- var URL = window && window.URL;
-
- if (!(typeof window === 'object' && window.HTMLMediaElement &&
- 'srcObject' in window.HTMLMediaElement.prototype &&
- URL.createObjectURL && URL.revokeObjectURL)) {
- // Only shim CreateObjectURL using srcObject if srcObject exists.
- return undefined;
- }
-
- var nativeCreateObjectURL = URL.createObjectURL.bind(URL);
- var nativeRevokeObjectURL = URL.revokeObjectURL.bind(URL);
- var streams = new Map(), newId = 0;
-
- URL.createObjectURL = function(stream) {
- if ('getTracks' in stream) {
- var url = 'polyblob:' + (++newId);
- streams.set(url, stream);
- utils.deprecated('URL.createObjectURL(stream)',
- 'elem.srcObject = stream');
- return url;
- }
- return nativeCreateObjectURL(stream);
- };
- URL.revokeObjectURL = function(url) {
- nativeRevokeObjectURL(url);
- streams.delete(url);
- };
-
- var dsc = Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,
- 'src');
- Object.defineProperty(window.HTMLMediaElement.prototype, 'src', {
- get: function() {
- return dsc.get.apply(this);
- },
- set: function(url) {
- this.srcObject = streams.get(url) || null;
- return dsc.set.apply(this, [url]);
- }
- });
-
- var nativeSetAttribute = window.HTMLMediaElement.prototype.setAttribute;
- window.HTMLMediaElement.prototype.setAttribute = function() {
- if (arguments.length === 2 &&
- ('' + arguments[0]).toLowerCase() === 'src') {
- this.srcObject = streams.get(arguments[1]) || null;
- }
- return nativeSetAttribute.apply(this, arguments);
- };
- },
-
- shimMaxMessageSize: function(window) {
- if (window.RTCSctpTransport || !window.RTCPeerConnection) {
- return;
- }
- var browserDetails = utils.detectBrowser(window);
-
- if (!('sctp' in window.RTCPeerConnection.prototype)) {
- Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {
- get: function() {
- return typeof this._sctp === 'undefined' ? null : this._sctp;
- }
- });
- }
-
- var sctpInDescription = function(description) {
- var sections = SDPUtils.splitSections(description.sdp);
- sections.shift();
- return sections.some(function(mediaSection) {
- var mLine = SDPUtils.parseMLine(mediaSection);
- return mLine && mLine.kind === 'application'
- && mLine.protocol.indexOf('SCTP') !== -1;
- });
- };
-
- var getRemoteFirefoxVersion = function(description) {
- // TODO: Is there a better solution for detecting Firefox?
- var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);
- if (match === null || match.length < 2) {
- return -1;
- }
- var version = parseInt(match[1], 10);
- // Test for NaN (yes, this is ugly)
- return version !== version ? -1 : version;
- };
-
- var getCanSendMaxMessageSize = function(remoteIsFirefox) {
- // Every implementation we know can send at least 64 KiB.
- // Note: Although Chrome is technically able to send up to 256 KiB, the
- // data does not reach the other peer reliably.
- // See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419
- var canSendMaxMessageSize = 65536;
- if (browserDetails.browser === 'firefox') {
- if (browserDetails.version < 57) {
- if (remoteIsFirefox === -1) {
- // FF < 57 will send in 16 KiB chunks using the deprecated PPID
- // fragmentation.
- canSendMaxMessageSize = 16384;
- } else {
- // However, other FF (and RAWRTC) can reassemble PPID-fragmented
- // messages. Thus, supporting ~2 GiB when sending.
- canSendMaxMessageSize = 2147483637;
- }
- } else {
- // Currently, all FF >= 57 will reset the remote maximum message size
- // to the default value when a data channel is created at a later
- // stage. :(
- // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
- canSendMaxMessageSize =
- browserDetails.version === 57 ? 65535 : 65536;
- }
- }
- return canSendMaxMessageSize;
- };
-
- var getMaxMessageSize = function(description, remoteIsFirefox) {
- // Note: 65536 bytes is the default value from the SDP spec. Also,
- // every implementation we know supports receiving 65536 bytes.
- var maxMessageSize = 65536;
-
- // FF 57 has a slightly incorrect default remote max message size, so
- // we need to adjust it here to avoid a failure when sending.
- // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697
- if (browserDetails.browser === 'firefox'
- && browserDetails.version === 57) {
- maxMessageSize = 65535;
- }
-
- var match = SDPUtils.matchPrefix(description.sdp, 'a=max-message-size:');
- if (match.length > 0) {
- maxMessageSize = parseInt(match[0].substr(19), 10);
- } else if (browserDetails.browser === 'firefox' &&
- remoteIsFirefox !== -1) {
- // If the maximum message size is not present in the remote SDP and
- // both local and remote are Firefox, the remote peer can receive
- // ~2 GiB.
- maxMessageSize = 2147483637;
- }
- return maxMessageSize;
- };
-
- var origSetRemoteDescription =
- window.RTCPeerConnection.prototype.setRemoteDescription;
- window.RTCPeerConnection.prototype.setRemoteDescription = function() {
- var pc = this;
- pc._sctp = null;
-
- if (sctpInDescription(arguments[0])) {
- // Check if the remote is FF.
- var isFirefox = getRemoteFirefoxVersion(arguments[0]);
-
- // Get the maximum message size the local peer is capable of sending
- var canSendMMS = getCanSendMaxMessageSize(isFirefox);
-
- // Get the maximum message size of the remote peer.
- var remoteMMS = getMaxMessageSize(arguments[0], isFirefox);
-
- // Determine final maximum message size
- var maxMessageSize;
- if (canSendMMS === 0 && remoteMMS === 0) {
- maxMessageSize = Number.POSITIVE_INFINITY;
- } else if (canSendMMS === 0 || remoteMMS === 0) {
- maxMessageSize = Math.max(canSendMMS, remoteMMS);
- } else {
- maxMessageSize = Math.min(canSendMMS, remoteMMS);
- }
-
- // Create a dummy RTCSctpTransport object and the 'maxMessageSize'
- // attribute.
- var sctp = {};
- Object.defineProperty(sctp, 'maxMessageSize', {
- get: function() {
- return maxMessageSize;
- }
- });
- pc._sctp = sctp;
- }
-
- return origSetRemoteDescription.apply(pc, arguments);
- };
- },
-
- shimSendThrowTypeError: function(window) {
- // Note: Although Firefox >= 57 has a native implementation, the maximum
- // message size can be reset for all data channels at a later stage.
- // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
-
- var origCreateDataChannel =
- window.RTCPeerConnection.prototype.createDataChannel;
- window.RTCPeerConnection.prototype.createDataChannel = function() {
- var pc = this;
- var dataChannel = origCreateDataChannel.apply(pc, arguments);
- var origDataChannelSend = dataChannel.send;
-
- // Patch 'send' method
- dataChannel.send = function() {
- var dc = this;
- var data = arguments[0];
- var length = data.length || data.size || data.byteLength;
- if (length > pc.sctp.maxMessageSize) {
- throw new DOMException('Message too large (can send a maximum of ' +
- pc.sctp.maxMessageSize + ' bytes)', 'TypeError');
- }
- return origDataChannelSend.apply(dc, arguments);
- };
-
- return dataChannel;
- };
- }
-};
-
-},{"./utils":13,"sdp":2}],8:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var utils = require('../utils');
-var shimRTCPeerConnection = require('rtcpeerconnection-shim');
-
-module.exports = {
- shimGetUserMedia: require('./getusermedia'),
- shimPeerConnection: function(window) {
- var browserDetails = utils.detectBrowser(window);
-
- if (window.RTCIceGatherer) {
- // ORTC defines an RTCIceCandidate object but no constructor.
- // Not implemented in Edge.
- if (!window.RTCIceCandidate) {
- window.RTCIceCandidate = function(args) {
- return args;
- };
- }
- // ORTC does not have a session description object but
- // other browsers (i.e. Chrome) that will support both PC and ORTC
- // in the future might have this defined already.
- if (!window.RTCSessionDescription) {
- window.RTCSessionDescription = function(args) {
- return args;
- };
- }
- // this adds an additional event listener to MediaStrackTrack that signals
- // when a tracks enabled property was changed. Workaround for a bug in
- // addStream, see below. No longer required in 15025+
- if (browserDetails.version < 15025) {
- var origMSTEnabled = Object.getOwnPropertyDescriptor(
- window.MediaStreamTrack.prototype, 'enabled');
- Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {
- set: function(value) {
- origMSTEnabled.set.call(this, value);
- var ev = new Event('enabled');
- ev.enabled = value;
- this.dispatchEvent(ev);
- }
- });
- }
- }
-
- // ORTC defines the DTMF sender a bit different.
- // https://github.com/w3c/ortc/issues/714
- if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {
- Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
- get: function() {
- if (this._dtmf === undefined) {
- if (this.track.kind === 'audio') {
- this._dtmf = new window.RTCDtmfSender(this);
- } else if (this.track.kind === 'video') {
- this._dtmf = null;
- }
- }
- return this._dtmf;
- }
- });
- }
-
- window.RTCPeerConnection =
- shimRTCPeerConnection(window, browserDetails.version);
- },
- shimReplaceTrack: function(window) {
- // ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614
- if (window.RTCRtpSender &&
- !('replaceTrack' in window.RTCRtpSender.prototype)) {
- window.RTCRtpSender.prototype.replaceTrack =
- window.RTCRtpSender.prototype.setTrack;
- }
- }
-};
-
-},{"../utils":13,"./getusermedia":9,"rtcpeerconnection-shim":1}],9:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-// Expose public methods.
-module.exports = function(window) {
- var navigator = window && window.navigator;
-
- var shimError_ = function(e) {
- return {
- name: {PermissionDeniedError: 'NotAllowedError'}[e.name] || e.name,
- message: e.message,
- constraint: e.constraint,
- toString: function() {
- return this.name;
- }
- };
- };
-
- // getUserMedia error shim.
- var origGetUserMedia = navigator.mediaDevices.getUserMedia.
- bind(navigator.mediaDevices);
- navigator.mediaDevices.getUserMedia = function(c) {
- return origGetUserMedia(c).catch(function(e) {
- return Promise.reject(shimError_(e));
- });
- };
-};
-
-},{}],10:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var utils = require('../utils');
-
-module.exports = {
- shimGetUserMedia: require('./getusermedia'),
- shimOnTrack: function(window) {
- if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
- window.RTCPeerConnection.prototype)) {
- Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
- get: function() {
- return this._ontrack;
- },
- set: function(f) {
- if (this._ontrack) {
- this.removeEventListener('track', this._ontrack);
- this.removeEventListener('addstream', this._ontrackpoly);
- }
- this.addEventListener('track', this._ontrack = f);
- this.addEventListener('addstream', this._ontrackpoly = function(e) {
- e.stream.getTracks().forEach(function(track) {
- var event = new Event('track');
- event.track = track;
- event.receiver = {track: track};
- event.transceiver = {receiver: event.receiver};
- event.streams = [e.stream];
- this.dispatchEvent(event);
- }.bind(this));
- }.bind(this));
- }
- });
- }
- if (typeof window === 'object' && window.RTCTrackEvent &&
- ('receiver' in window.RTCTrackEvent.prototype) &&
- !('transceiver' in window.RTCTrackEvent.prototype)) {
- Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
- get: function() {
- return {receiver: this.receiver};
- }
- });
- }
- },
-
- shimSourceObject: function(window) {
- // Firefox has supported mozSrcObject since FF22, unprefixed in 42.
- if (typeof window === 'object') {
- if (window.HTMLMediaElement &&
- !('srcObject' in window.HTMLMediaElement.prototype)) {
- // Shim the srcObject property, once, when HTMLMediaElement is found.
- Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
- get: function() {
- return this.mozSrcObject;
- },
- set: function(stream) {
- this.mozSrcObject = stream;
- }
- });
- }
- }
- },
-
- shimPeerConnection: function(window) {
- var browserDetails = utils.detectBrowser(window);
-
- if (typeof window !== 'object' || !(window.RTCPeerConnection ||
- window.mozRTCPeerConnection)) {
- return; // probably media.peerconnection.enabled=false in about:config
- }
- // The RTCPeerConnection object.
- if (!window.RTCPeerConnection) {
- window.RTCPeerConnection = function(pcConfig, pcConstraints) {
- if (browserDetails.version < 38) {
- // .urls is not supported in FF < 38.
- // create RTCIceServers with a single url.
- if (pcConfig && pcConfig.iceServers) {
- var newIceServers = [];
- for (var i = 0; i < pcConfig.iceServers.length; i++) {
- var server = pcConfig.iceServers[i];
- if (server.hasOwnProperty('urls')) {
- for (var j = 0; j < server.urls.length; j++) {
- var newServer = {
- url: server.urls[j]
- };
- if (server.urls[j].indexOf('turn') === 0) {
- newServer.username = server.username;
- newServer.credential = server.credential;
- }
- newIceServers.push(newServer);
- }
- } else {
- newIceServers.push(pcConfig.iceServers[i]);
- }
- }
- pcConfig.iceServers = newIceServers;
- }
- }
- return new window.mozRTCPeerConnection(pcConfig, pcConstraints);
- };
- window.RTCPeerConnection.prototype =
- window.mozRTCPeerConnection.prototype;
-
- // wrap static methods. Currently just generateCertificate.
- if (window.mozRTCPeerConnection.generateCertificate) {
- Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
- get: function() {
- return window.mozRTCPeerConnection.generateCertificate;
- }
- });
- }
-
- window.RTCSessionDescription = window.mozRTCSessionDescription;
- window.RTCIceCandidate = window.mozRTCIceCandidate;
- }
-
- // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
- ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
- .forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- arguments[0] = new ((method === 'addIceCandidate') ?
- window.RTCIceCandidate :
- window.RTCSessionDescription)(arguments[0]);
- return nativeMethod.apply(this, arguments);
- };
- });
-
- // support for addIceCandidate(null or undefined)
- var nativeAddIceCandidate =
- window.RTCPeerConnection.prototype.addIceCandidate;
- window.RTCPeerConnection.prototype.addIceCandidate = function() {
- if (!arguments[0]) {
- if (arguments[1]) {
- arguments[1].apply(null);
- }
- return Promise.resolve();
- }
- return nativeAddIceCandidate.apply(this, arguments);
- };
-
- // shim getStats with maplike support
- var makeMapStats = function(stats) {
- var map = new Map();
- Object.keys(stats).forEach(function(key) {
- map.set(key, stats[key]);
- map[key] = stats[key];
- });
- return map;
- };
-
- var modernStatsTypes = {
- inboundrtp: 'inbound-rtp',
- outboundrtp: 'outbound-rtp',
- candidatepair: 'candidate-pair',
- localcandidate: 'local-candidate',
- remotecandidate: 'remote-candidate'
- };
-
- var nativeGetStats = window.RTCPeerConnection.prototype.getStats;
- window.RTCPeerConnection.prototype.getStats = function(
- selector,
- onSucc,
- onErr
- ) {
- return nativeGetStats.apply(this, [selector || null])
- .then(function(stats) {
- if (browserDetails.version < 48) {
- stats = makeMapStats(stats);
- }
- if (browserDetails.version < 53 && !onSucc) {
- // Shim only promise getStats with spec-hyphens in type names
- // Leave callback version alone; misc old uses of forEach before Map
- try {
- stats.forEach(function(stat) {
- stat.type = modernStatsTypes[stat.type] || stat.type;
- });
- } catch (e) {
- if (e.name !== 'TypeError') {
- throw e;
- }
- // Avoid TypeError: "type" is read-only, in old versions. 34-43ish
- stats.forEach(function(stat, i) {
- stats.set(i, Object.assign({}, stat, {
- type: modernStatsTypes[stat.type] || stat.type
- }));
- });
- }
- }
- return stats;
- })
- .then(onSucc, onErr);
- };
- },
-
- shimRemoveStream: function(window) {
- if (!window.RTCPeerConnection ||
- 'removeStream' in window.RTCPeerConnection.prototype) {
- return;
- }
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- var pc = this;
- utils.deprecated('removeStream', 'removeTrack');
- this.getSenders().forEach(function(sender) {
- if (sender.track && stream.getTracks().indexOf(sender.track) !== -1) {
- pc.removeTrack(sender);
- }
- });
- };
- }
-};
-
-},{"../utils":13,"./getusermedia":11}],11:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var utils = require('../utils');
-var logging = utils.log;
-
-// Expose public methods.
-module.exports = function(window) {
- var browserDetails = utils.detectBrowser(window);
- var navigator = window && window.navigator;
- var MediaStreamTrack = window && window.MediaStreamTrack;
-
- var shimError_ = function(e) {
- return {
- name: {
- InternalError: 'NotReadableError',
- NotSupportedError: 'TypeError',
- PermissionDeniedError: 'NotAllowedError',
- SecurityError: 'NotAllowedError'
- }[e.name] || e.name,
- message: {
- 'The operation is insecure.': 'The request is not allowed by the ' +
- 'user agent or the platform in the current context.'
- }[e.message] || e.message,
- constraint: e.constraint,
- toString: function() {
- return this.name + (this.message && ': ') + this.message;
- }
- };
- };
-
- // getUserMedia constraints shim.
- var getUserMedia_ = function(constraints, onSuccess, onError) {
- var constraintsToFF37_ = function(c) {
- if (typeof c !== 'object' || c.require) {
- return c;
- }
- var require = [];
- Object.keys(c).forEach(function(key) {
- if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
- return;
- }
- var r = c[key] = (typeof c[key] === 'object') ?
- c[key] : {ideal: c[key]};
- if (r.min !== undefined ||
- r.max !== undefined || r.exact !== undefined) {
- require.push(key);
- }
- if (r.exact !== undefined) {
- if (typeof r.exact === 'number') {
- r. min = r.max = r.exact;
- } else {
- c[key] = r.exact;
- }
- delete r.exact;
- }
- if (r.ideal !== undefined) {
- c.advanced = c.advanced || [];
- var oc = {};
- if (typeof r.ideal === 'number') {
- oc[key] = {min: r.ideal, max: r.ideal};
- } else {
- oc[key] = r.ideal;
- }
- c.advanced.push(oc);
- delete r.ideal;
- if (!Object.keys(r).length) {
- delete c[key];
- }
- }
- });
- if (require.length) {
- c.require = require;
- }
- return c;
- };
- constraints = JSON.parse(JSON.stringify(constraints));
- if (browserDetails.version < 38) {
- logging('spec: ' + JSON.stringify(constraints));
- if (constraints.audio) {
- constraints.audio = constraintsToFF37_(constraints.audio);
- }
- if (constraints.video) {
- constraints.video = constraintsToFF37_(constraints.video);
- }
- logging('ff37: ' + JSON.stringify(constraints));
- }
- return navigator.mozGetUserMedia(constraints, onSuccess, function(e) {
- onError(shimError_(e));
- });
- };
-
- // Returns the result of getUserMedia as a Promise.
- var getUserMediaPromise_ = function(constraints) {
- return new Promise(function(resolve, reject) {
- getUserMedia_(constraints, resolve, reject);
- });
- };
-
- // Shim for mediaDevices on older versions.
- if (!navigator.mediaDevices) {
- navigator.mediaDevices = {getUserMedia: getUserMediaPromise_,
- addEventListener: function() { },
- removeEventListener: function() { }
- };
- }
- navigator.mediaDevices.enumerateDevices =
- navigator.mediaDevices.enumerateDevices || function() {
- return new Promise(function(resolve) {
- var infos = [
- {kind: 'audioinput', deviceId: 'default', label: '', groupId: ''},
- {kind: 'videoinput', deviceId: 'default', label: '', groupId: ''}
- ];
- resolve(infos);
- });
- };
-
- if (browserDetails.version < 41) {
- // Work around http://bugzil.la/1169665
- var orgEnumerateDevices =
- navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);
- navigator.mediaDevices.enumerateDevices = function() {
- return orgEnumerateDevices().then(undefined, function(e) {
- if (e.name === 'NotFoundError') {
- return [];
- }
- throw e;
- });
- };
- }
- if (browserDetails.version < 49) {
- var origGetUserMedia = navigator.mediaDevices.getUserMedia.
- bind(navigator.mediaDevices);
- navigator.mediaDevices.getUserMedia = function(c) {
- return origGetUserMedia(c).then(function(stream) {
- // Work around https://bugzil.la/802326
- if (c.audio && !stream.getAudioTracks().length ||
- c.video && !stream.getVideoTracks().length) {
- stream.getTracks().forEach(function(track) {
- track.stop();
- });
- throw new DOMException('The object can not be found here.',
- 'NotFoundError');
- }
- return stream;
- }, function(e) {
- return Promise.reject(shimError_(e));
- });
- };
- }
- if (!(browserDetails.version > 55 &&
- 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
- var remap = function(obj, a, b) {
- if (a in obj && !(b in obj)) {
- obj[b] = obj[a];
- delete obj[a];
- }
- };
-
- var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.
- bind(navigator.mediaDevices);
- navigator.mediaDevices.getUserMedia = function(c) {
- if (typeof c === 'object' && typeof c.audio === 'object') {
- c = JSON.parse(JSON.stringify(c));
- remap(c.audio, 'autoGainControl', 'mozAutoGainControl');
- remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');
- }
- return nativeGetUserMedia(c);
- };
-
- if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
- var nativeGetSettings = MediaStreamTrack.prototype.getSettings;
- MediaStreamTrack.prototype.getSettings = function() {
- var obj = nativeGetSettings.apply(this, arguments);
- remap(obj, 'mozAutoGainControl', 'autoGainControl');
- remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
- return obj;
- };
- }
-
- if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
- var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;
- MediaStreamTrack.prototype.applyConstraints = function(c) {
- if (this.kind === 'audio' && typeof c === 'object') {
- c = JSON.parse(JSON.stringify(c));
- remap(c, 'autoGainControl', 'mozAutoGainControl');
- remap(c, 'noiseSuppression', 'mozNoiseSuppression');
- }
- return nativeApplyConstraints.apply(this, [c]);
- };
- }
- }
- navigator.getUserMedia = function(constraints, onSuccess, onError) {
- if (browserDetails.version < 44) {
- return getUserMedia_(constraints, onSuccess, onError);
- }
- // Replace Firefox 44+'s deprecation warning with unprefixed version.
- utils.deprecated('navigator.getUserMedia',
- 'navigator.mediaDevices.getUserMedia');
- navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
- };
-};
-
-},{"../utils":13}],12:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
-'use strict';
-var utils = require('../utils');
-
-module.exports = {
- shimLocalStreamsAPI: function(window) {
- if (typeof window !== 'object' || !window.RTCPeerConnection) {
- return;
- }
- if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {
- window.RTCPeerConnection.prototype.getLocalStreams = function() {
- if (!this._localStreams) {
- this._localStreams = [];
- }
- return this._localStreams;
- };
- }
- if (!('getStreamById' in window.RTCPeerConnection.prototype)) {
- window.RTCPeerConnection.prototype.getStreamById = function(id) {
- var result = null;
- if (this._localStreams) {
- this._localStreams.forEach(function(stream) {
- if (stream.id === id) {
- result = stream;
- }
- });
- }
- if (this._remoteStreams) {
- this._remoteStreams.forEach(function(stream) {
- if (stream.id === id) {
- result = stream;
- }
- });
- }
- return result;
- };
- }
- if (!('addStream' in window.RTCPeerConnection.prototype)) {
- var _addTrack = window.RTCPeerConnection.prototype.addTrack;
- window.RTCPeerConnection.prototype.addStream = function(stream) {
- if (!this._localStreams) {
- this._localStreams = [];
- }
- if (this._localStreams.indexOf(stream) === -1) {
- this._localStreams.push(stream);
- }
- var pc = this;
- stream.getTracks().forEach(function(track) {
- _addTrack.call(pc, track, stream);
- });
- };
-
- window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
- if (stream) {
- if (!this._localStreams) {
- this._localStreams = [stream];
- } else if (this._localStreams.indexOf(stream) === -1) {
- this._localStreams.push(stream);
- }
- }
- return _addTrack.call(this, track, stream);
- };
- }
- if (!('removeStream' in window.RTCPeerConnection.prototype)) {
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- if (!this._localStreams) {
- this._localStreams = [];
- }
- var index = this._localStreams.indexOf(stream);
- if (index === -1) {
- return;
- }
- this._localStreams.splice(index, 1);
- var pc = this;
- var tracks = stream.getTracks();
- this.getSenders().forEach(function(sender) {
- if (tracks.indexOf(sender.track) !== -1) {
- pc.removeTrack(sender);
- }
- });
- };
- }
- },
- shimRemoteStreamsAPI: function(window) {
- if (typeof window !== 'object' || !window.RTCPeerConnection) {
- return;
- }
- if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {
- window.RTCPeerConnection.prototype.getRemoteStreams = function() {
- return this._remoteStreams ? this._remoteStreams : [];
- };
- }
- if (!('onaddstream' in window.RTCPeerConnection.prototype)) {
- Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {
- get: function() {
- return this._onaddstream;
- },
- set: function(f) {
- var pc = this;
- if (this._onaddstream) {
- this.removeEventListener('addstream', this._onaddstream);
- this.removeEventListener('track', this._onaddstreampoly);
- }
- this.addEventListener('addstream', this._onaddstream = f);
- this.addEventListener('track', this._onaddstreampoly = function(e) {
- e.streams.forEach(function(stream) {
- if (!pc._remoteStreams) {
- pc._remoteStreams = [];
- }
- if (pc._remoteStreams.indexOf(stream) >= 0) {
- return;
- }
- pc._remoteStreams.push(stream);
- var event = new Event('addstream');
- event.stream = stream;
- pc.dispatchEvent(event);
- });
- });
- }
- });
- }
- },
- shimCallbacksAPI: function(window) {
- if (typeof window !== 'object' || !window.RTCPeerConnection) {
- return;
- }
- var prototype = window.RTCPeerConnection.prototype;
- var createOffer = prototype.createOffer;
- var createAnswer = prototype.createAnswer;
- var setLocalDescription = prototype.setLocalDescription;
- var setRemoteDescription = prototype.setRemoteDescription;
- var addIceCandidate = prototype.addIceCandidate;
-
- prototype.createOffer = function(successCallback, failureCallback) {
- var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
- var promise = createOffer.apply(this, [options]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
-
- prototype.createAnswer = function(successCallback, failureCallback) {
- var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
- var promise = createAnswer.apply(this, [options]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
-
- var withCallback = function(description, successCallback, failureCallback) {
- var promise = setLocalDescription.apply(this, [description]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
- prototype.setLocalDescription = withCallback;
-
- withCallback = function(description, successCallback, failureCallback) {
- var promise = setRemoteDescription.apply(this, [description]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
- prototype.setRemoteDescription = withCallback;
-
- withCallback = function(candidate, successCallback, failureCallback) {
- var promise = addIceCandidate.apply(this, [candidate]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
- prototype.addIceCandidate = withCallback;
- },
- shimGetUserMedia: function(window) {
- var navigator = window && window.navigator;
-
- if (!navigator.getUserMedia) {
- if (navigator.webkitGetUserMedia) {
- navigator.getUserMedia = navigator.webkitGetUserMedia.bind(navigator);
- } else if (navigator.mediaDevices &&
- navigator.mediaDevices.getUserMedia) {
- navigator.getUserMedia = function(constraints, cb, errcb) {
- navigator.mediaDevices.getUserMedia(constraints)
- .then(cb, errcb);
- }.bind(navigator);
- }
- }
- },
- shimRTCIceServerUrls: function(window) {
- // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
- var OrigPeerConnection = window.RTCPeerConnection;
- window.RTCPeerConnection = function(pcConfig, pcConstraints) {
- if (pcConfig && pcConfig.iceServers) {
- var newIceServers = [];
- for (var i = 0; i < pcConfig.iceServers.length; i++) {
- var server = pcConfig.iceServers[i];
- if (!server.hasOwnProperty('urls') &&
- server.hasOwnProperty('url')) {
- utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
- server = JSON.parse(JSON.stringify(server));
- server.urls = server.url;
- delete server.url;
- newIceServers.push(server);
- } else {
- newIceServers.push(pcConfig.iceServers[i]);
- }
- }
- pcConfig.iceServers = newIceServers;
- }
- return new OrigPeerConnection(pcConfig, pcConstraints);
- };
- window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
- // wrap static methods. Currently just generateCertificate.
- if ('generateCertificate' in window.RTCPeerConnection) {
- Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
- get: function() {
- return OrigPeerConnection.generateCertificate;
- }
- });
- }
- },
- shimTrackEventTransceiver: function(window) {
- // Add event.transceiver member over deprecated event.receiver
- if (typeof window === 'object' && window.RTCPeerConnection &&
- ('receiver' in window.RTCTrackEvent.prototype) &&
- // can't check 'transceiver' in window.RTCTrackEvent.prototype, as it is
- // defined for some reason even when window.RTCTransceiver is not.
- !window.RTCTransceiver) {
- Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
- get: function() {
- return {receiver: this.receiver};
- }
- });
- }
- },
-
- shimCreateOfferLegacy: function(window) {
- var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
- window.RTCPeerConnection.prototype.createOffer = function(offerOptions) {
- var pc = this;
- if (offerOptions) {
- var audioTransceiver = pc.getTransceivers().find(function(transceiver) {
- return transceiver.sender.track &&
- transceiver.sender.track.kind === 'audio';
- });
- if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {
- if (audioTransceiver.direction === 'sendrecv') {
- if (audioTransceiver.setDirection) {
- audioTransceiver.setDirection('sendonly');
- } else {
- audioTransceiver.direction = 'sendonly';
- }
- } else if (audioTransceiver.direction === 'recvonly') {
- if (audioTransceiver.setDirection) {
- audioTransceiver.setDirection('inactive');
- } else {
- audioTransceiver.direction = 'inactive';
- }
- }
- } else if (offerOptions.offerToReceiveAudio === true &&
- !audioTransceiver) {
- pc.addTransceiver('audio');
- }
-
- var videoTransceiver = pc.getTransceivers().find(function(transceiver) {
- return transceiver.sender.track &&
- transceiver.sender.track.kind === 'video';
- });
- if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {
- if (videoTransceiver.direction === 'sendrecv') {
- videoTransceiver.setDirection('sendonly');
- } else if (videoTransceiver.direction === 'recvonly') {
- videoTransceiver.setDirection('inactive');
- }
- } else if (offerOptions.offerToReceiveVideo === true &&
- !videoTransceiver) {
- pc.addTransceiver('video');
- }
- }
- return origCreateOffer.apply(pc, arguments);
- };
- }
-};
-
-},{"../utils":13}],13:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var logDisabled_ = true;
-var deprecationWarnings_ = true;
-
-/**
- * Extract browser version out of the provided user agent string.
- *
- * @param {!string} uastring userAgent string.
- * @param {!string} expr Regular expression used as match criteria.
- * @param {!number} pos position in the version string to be returned.
- * @return {!number} browser version.
- */
-function extractVersion(uastring, expr, pos) {
- var match = uastring.match(expr);
- return match && match.length >= pos && parseInt(match[pos], 10);
-}
-
-// Wraps the peerconnection event eventNameToWrap in a function
-// which returns the modified event object.
-function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {
- if (!window.RTCPeerConnection) {
- return;
- }
- var proto = window.RTCPeerConnection.prototype;
- var nativeAddEventListener = proto.addEventListener;
- proto.addEventListener = function(nativeEventName, cb) {
- if (nativeEventName !== eventNameToWrap) {
- return nativeAddEventListener.apply(this, arguments);
- }
- var wrappedCallback = function(e) {
- cb(wrapper(e));
- };
- this._eventMap = this._eventMap || {};
- this._eventMap[cb] = wrappedCallback;
- return nativeAddEventListener.apply(this, [nativeEventName,
- wrappedCallback]);
- };
-
- var nativeRemoveEventListener = proto.removeEventListener;
- proto.removeEventListener = function(nativeEventName, cb) {
- if (nativeEventName !== eventNameToWrap || !this._eventMap
- || !this._eventMap[cb]) {
- return nativeRemoveEventListener.apply(this, arguments);
- }
- var unwrappedCb = this._eventMap[cb];
- delete this._eventMap[cb];
- return nativeRemoveEventListener.apply(this, [nativeEventName,
- unwrappedCb]);
- };
-
- Object.defineProperty(proto, 'on' + eventNameToWrap, {
- get: function() {
- return this['_on' + eventNameToWrap];
- },
- set: function(cb) {
- if (this['_on' + eventNameToWrap]) {
- this.removeEventListener(eventNameToWrap,
- this['_on' + eventNameToWrap]);
- delete this['_on' + eventNameToWrap];
- }
- if (cb) {
- this.addEventListener(eventNameToWrap,
- this['_on' + eventNameToWrap] = cb);
- }
- }
- });
-}
-
-// Utility methods.
-module.exports = {
- extractVersion: extractVersion,
- wrapPeerConnectionEvent: wrapPeerConnectionEvent,
- disableLog: function(bool) {
- if (typeof bool !== 'boolean') {
- return new Error('Argument type: ' + typeof bool +
- '. Please use a boolean.');
- }
- logDisabled_ = bool;
- return (bool) ? 'adapter.js logging disabled' :
- 'adapter.js logging enabled';
- },
-
- /**
- * Disable or enable deprecation warnings
- * @param {!boolean} bool set to true to disable warnings.
- */
- disableWarnings: function(bool) {
- if (typeof bool !== 'boolean') {
- return new Error('Argument type: ' + typeof bool +
- '. Please use a boolean.');
- }
- deprecationWarnings_ = !bool;
- return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');
- },
-
- log: function() {
- if (typeof window === 'object') {
- if (logDisabled_) {
- return;
- }
- if (typeof console !== 'undefined' && typeof console.log === 'function') {
- console.log.apply(console, arguments);
- }
- }
- },
-
- /**
- * Shows a deprecation warning suggesting the modern and spec-compatible API.
- */
- deprecated: function(oldMethod, newMethod) {
- if (!deprecationWarnings_) {
- return;
- }
- console.warn(oldMethod + ' is deprecated, please use ' + newMethod +
- ' instead.');
- },
-
- /**
- * Browser detector.
- *
- * @return {object} result containing browser and version
- * properties.
- */
- detectBrowser: function(window) {
- var navigator = window && window.navigator;
-
- // Returned result object.
- var result = {};
- result.browser = null;
- result.version = null;
-
- // Fail early if it's not a browser
- if (typeof window === 'undefined' || !window.navigator) {
- result.browser = 'Not a browser.';
- return result;
- }
-
- if (navigator.mozGetUserMedia) { // Firefox.
- result.browser = 'firefox';
- result.version = extractVersion(navigator.userAgent,
- /Firefox\/(\d+)\./, 1);
- } else if (navigator.webkitGetUserMedia) {
- // Chrome, Chromium, Webview, Opera.
- // Version matches Chrome/WebRTC version.
- result.browser = 'chrome';
- result.version = extractVersion(navigator.userAgent,
- /Chrom(e|ium)\/(\d+)\./, 2);
- } else if (navigator.mediaDevices &&
- navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) { // Edge.
- result.browser = 'edge';
- result.version = extractVersion(navigator.userAgent,
- /Edge\/(\d+).(\d+)$/, 2);
- } else if (navigator.mediaDevices &&
- navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) { // Safari.
- result.browser = 'safari';
- result.version = extractVersion(navigator.userAgent,
- /AppleWebKit\/(\d+)\./, 1);
- } else { // Default fallthrough: not supported.
- result.browser = 'Not a supported browser.';
- return result;
- }
-
- return result;
- }
-};
-
-},{}]},{},[3])(3)
-});
\ No newline at end of file
+(function($){function findLine(sdpLines,prefix,substr){return findLineInRange(sdpLines,0,-1,prefix,substr);}
+function findLineInRange(sdpLines,startLine,endLine,prefix,substr){var realEndLine=(endLine!=-1)?endLine:sdpLines.length;for(var i=startLine;i=0;if(iOS){self.options.useVideo.setAttribute("playsinline",true);}}
+var element=self.options.useAudio;console.log("REMOTE STREAM",stream,element);FSRTCattachMediaStream(element,stream);self.remoteStream=stream;onRemoteStreamSuccess(self,stream);}
+function onOfferSDP(self,sdp){self.mediaData.SDP=self.stereoHack(sdp.sdp);console.log("Offer SDP");doCallback(self,"onOfferSDP");}
+$.FSRTC.prototype.answer=function(sdp,onSuccess,onError){this.peer.addAnswerSDP({type:"answer",sdp:sdp},onSuccess,onError);};$.FSRTC.prototype.stopPeer=function(){if(self.peer){console.log("stopping peer");self.peer.stop();}}
+$.FSRTC.prototype.stop=function(){var self=this;if(self.options.useVideo){self.options.useVideo.style.display='none';self.options.useVideo['src']='';}
+if(self.localStream&&!self.options.useStream){if(typeof self.localStream.stop=='function'){self.localStream.stop();}else{if(self.localStream.active){var tracks=self.localStream.getTracks();console.log(tracks);tracks.forEach(function(track,index){console.log(track);track.stop();})}}
+self.localStream=null;}
+if(self.options.localVideo){deactivateLocalVideo(self.options.localVideo);}
+if(self.options.localVideoStream&&!self.options.useStream){if(typeof self.options.localVideoStream.stop=='function'){self.options.localVideoStream.stop();}else{if(self.options.localVideoStream.active){var tracks=self.options.localVideoStream.getTracks();console.log(tracks);tracks.forEach(function(track,index){console.log(track);track.stop();})}}}
+if(self.peer){console.log("stopping peer");self.peer.stop();}};$.FSRTC.prototype.getMute=function(){var self=this;return self.audioEnabled;}
+$.FSRTC.prototype.setMute=function(what){var self=this;if(!self.localStream){return false;}
+var audioTracks=self.localStream.getAudioTracks();for(var i=0,len=audioTracks.length;i=w&&$.FSRTC.validRes[i][1]>=h){w=$.FSRTC.validRes[i][0];h=$.FSRTC.validRes[i][1];}}
+return[w,h];}
+var resList=[[160,120],[320,180],[320,240],[640,360],[640,480],[1280,720],[1920,1080]];var resI=0;var ttl=0;var checkRes=function(cam,func){if(resI>=resList.length){var res={'validRes':$.FSRTC.validRes,'bestResSupported':$.FSRTC.bestResSupported()};localStorage.setItem("res_"+cam,$.toJSON(res));if(func)return func(res);return;}
+w=resList[resI][0];h=resList[resI][1];resI++;var video={width:{exact:w},height:{exact:h}};if(cam!=="any"){video=assignMediaIdToConstraint(cam,video);}
+getUserMedia({constraints:{audio:ttl++==0,video:video},onsuccess:function(e){e.getTracks().forEach(function(track){track.stop();});console.info(w+"x"+h+" supported.");$.FSRTC.validRes.push([w,h]);checkRes(cam,func);},onerror:function(e){console.warn(w+"x"+h+" not supported.");checkRes(cam,func);}});}
+$.FSRTC.getValidRes=function(cam,func){var used=[];var cached=localStorage.getItem("res_"+cam);if(cached){var cache=$.parseJSON(cached);if(cache){$.FSRTC.validRes=cache.validRes;console.log("CACHED RES FOR CAM "+cam,cache);}else{console.error("INVALID CACHE");}
+return func?func(cache):null;}
+$.FSRTC.validRes=[];resI=0;checkRes(cam,func);}
+$.FSRTC.checkPerms=function(runtime,check_audio,check_video){getUserMedia({constraints:{audio:check_audio,video:check_video,},onsuccess:function(e){e.getTracks().forEach(function(track){track.stop();});console.info("media perm init complete");if(runtime){setTimeout(runtime,100,true);}},onerror:function(e){if(check_video&&check_audio){console.error("error, retesting with audio params only");return $.FSRTC.checkPerms(runtime,check_audio,false);}
+console.error("media perm init error");if(runtime){runtime(false)}}});}})(jQuery);(function($){$.JsonRpcClient=function(options){var self=this;this.options=$.extend({ajaxUrl:null,socketUrl:null,onmessage:null,login:null,passwd:null,sessid:null,loginParams:null,userVariables:null,getSocket:function(onmessage_cb){return self._getSocket(onmessage_cb);}},options);self.ws_cnt=0;this.wsOnMessage=function(event){self._wsOnMessage(event);};};$.JsonRpcClient.prototype._ws_socket=null;$.JsonRpcClient.prototype._ws_callbacks={};$.JsonRpcClient.prototype._current_id=1;$.JsonRpcClient.prototype.speedTest=function(bytes,cb){var socket=this.options.getSocket(this.wsOnMessage);if(socket!==null){this.speedCB=cb;this.speedBytes=bytes;socket.send("#SPU "+bytes);var loops=bytes/1024;var rem=bytes%1024;var i;var data=new Array(1024).join(".");for(i=0;i1){return false;}
+return true;};$.JsonRpcClient.prototype.closeSocket=function(){var self=this;if(self.socketReady()){self._ws_socket.onclose=function(w){console.log("Closing Socket");};self._ws_socket.close();}};$.JsonRpcClient.prototype.loginData=function(params){var self=this;self.options.login=params.login;self.options.passwd=params.passwd;self.options.loginParams=params.loginParams;self.options.userVariables=params.userVariables;};$.JsonRpcClient.prototype.connectSocket=function(onmessage_cb){var self=this;if(self.to){clearTimeout(self.to);}
+if(!self.socketReady()){self.authing=false;if(self._ws_socket){delete self._ws_socket;}
+self._ws_socket=new WebSocket(self.options.socketUrl);if(self._ws_socket){self._ws_socket.onmessage=onmessage_cb;self._ws_socket.onclose=function(w){if(!self.ws_sleep){self.ws_sleep=1000;}
+if(self.options.onWSClose){self.options.onWSClose(self);}
+if(self.ws_cnt>10&&self.options.wsFallbackURL){self.options.socketUrl=self.options.wsFallbackURL;}
+console.error("Websocket Lost "+self.ws_cnt+" sleep: "+self.ws_sleep+"msec");self.to=setTimeout(function(){console.log("Attempting Reconnection....");self.connectSocket(onmessage_cb);},self.ws_sleep);self.ws_cnt++;if(self.ws_sleep<3000&&(self.ws_cnt%10)===0){self.ws_sleep+=1000;}};self._ws_socket.onopen=function(){if(self.to){clearTimeout(self.to);}
+self.ws_sleep=1000;self.ws_cnt=0;if(self.options.onWSConnect){self.options.onWSConnect(self);}
+var req;while((req=$.JsonRpcClient.q.pop())){self._ws_socket.send(req);}};}}
+return self._ws_socket?true:false;};$.JsonRpcClient.prototype.stopRetrying=function(){if(self.to)
+clearTimeout(self.to);}
+$.JsonRpcClient.prototype._getSocket=function(onmessage_cb){if(this.options.socketUrl===null||!("WebSocket"in window))return null;this.connectSocket(onmessage_cb);return this._ws_socket;};$.JsonRpcClient.q=[];$.JsonRpcClient.prototype._wsCall=function(socket,request,success_cb,error_cb){var request_json=$.toJSON(request);if(socket.readyState<1){self=this;$.JsonRpcClient.q.push(request_json);}else{socket.send(request_json);}
+if('id'in request&&typeof success_cb!=='undefined'){this._ws_callbacks[request.id]={request:request_json,request_obj:request,success_cb:success_cb,error_cb:error_cb};}};$.JsonRpcClient.prototype._wsOnMessage=function(event){var response;if(event.data[0]=="#"&&event.data[1]=="S"&&event.data[2]=="P"){if(event.data[3]=="U"){this.up_dur=parseInt(event.data.substring(4));}else if(this.speedCB&&event.data[3]=="D"){this.down_dur=parseInt(event.data.substring(4));var up_kps=(((this.speedBytes*8)/(this.up_dur/1000))/1024).toFixed(0);var down_kps=(((this.speedBytes*8)/(this.down_dur/1000))/1024).toFixed(0);console.info("Speed Test: Up: "+up_kps+" Down: "+down_kps);var cb=this.speedCB;this.speedCB=null;cb(event,{upDur:this.up_dur,downDur:this.down_dur,upKPS:up_kps,downKPS:down_kps});}
+return;}
+try{response=$.parseJSON(event.data);if(typeof response==='object'&&'jsonrpc'in response&&response.jsonrpc==='2.0'){if('result'in response&&this._ws_callbacks[response.id]){var success_cb=this._ws_callbacks[response.id].success_cb;delete this._ws_callbacks[response.id];success_cb(response.result,this);return;}else if('error'in response&&this._ws_callbacks[response.id]){var error_cb=this._ws_callbacks[response.id].error_cb;var orig_req=this._ws_callbacks[response.id].request;if(!self.authing&&response.error.code==-32000&&self.options.login&&self.options.passwd){self.authing=true;this.call("login",{login:self.options.login,passwd:self.options.passwd,loginParams:self.options.loginParams,userVariables:self.options.userVariables},this._ws_callbacks[response.id].request_obj.method=="login"?function(e){self.authing=false;console.log("logged in");delete self._ws_callbacks[response.id];if(self.options.onWSLogin){self.options.onWSLogin(true,self);}}:function(e){self.authing=false;console.log("logged in, resending request id: "+response.id);var socket=self.options.getSocket(self.wsOnMessage);if(socket!==null){socket.send(orig_req);}
+if(self.options.onWSLogin){self.options.onWSLogin(true,self);}},function(e){console.log("error logging in, request id:",response.id);delete self._ws_callbacks[response.id];error_cb(response.error,this);if(self.options.onWSLogin){self.options.onWSLogin(false,self);}});return;}
+delete this._ws_callbacks[response.id];error_cb(response.error,this);return;}}}catch(err){console.log("ERROR: "+err);return;}
+if(typeof this.options.onmessage==='function'){event.eventData=response;if(!event.eventData){event.eventData={};}
+var reply=this.options.onmessage(event);if(reply&&typeof reply==="object"&&event.eventData.id){var msg={jsonrpc:"2.0",id:event.eventData.id,result:reply};var socket=self.options.getSocket(self.wsOnMessage);if(socket!==null){socket.send($.toJSON(msg));}}}};$.JsonRpcClient._batchObject=function(jsonrpcclient,all_done_cb,error_cb){this._requests=[];this.jsonrpcclient=jsonrpcclient;this.all_done_cb=all_done_cb;this.error_cb=typeof error_cb==='function'?error_cb:function(){};};$.JsonRpcClient._batchObject.prototype.call=function(method,params,success_cb,error_cb){if(!params){params={};}
+if(this.options.sessid){params.sessid=this.options.sessid;}
+if(!success_cb){success_cb=function(e){console.log("Success: ",e);};}
+if(!error_cb){error_cb=function(e){console.log("Error: ",e);};}
+this._requests.push({request:{jsonrpc:'2.0',method:method,params:params,id:this.jsonrpcclient._current_id++},success_cb:success_cb,error_cb:error_cb});};$.JsonRpcClient._batchObject.prototype.notify=function(method,params){if(this.options.sessid){params.sessid=this.options.sessid;}
+this._requests.push({request:{jsonrpc:'2.0',method:method,params:params}});};$.JsonRpcClient._batchObject.prototype._execute=function(){var self=this;if(this._requests.length===0)return;var batch_request=[];var handlers={};var i=0;var call;var success_cb;var error_cb;var socket=self.jsonrpcclient.options.getSocket(self.jsonrpcclient.wsOnMessage);if(socket!==null){for(i=0;i0){data.params.useVideo=true;}
+if(data.params.sdp&&data.params.sdp.indexOf("stereo=1")>0){data.params.useStereo=true;}
+dialog=new $.verto.dialog($.verto.enum.direction.inbound,verto,data.params);dialog.setState($.verto.enum.state.recovering);break;case'verto.invite':if(data.params.sdp&&data.params.sdp.indexOf("m=video")>0){data.params.wantVideo=true;}
+if(data.params.sdp&&data.params.sdp.indexOf("stereo=1")>0){data.params.useStereo=true;}
+dialog=new $.verto.dialog($.verto.enum.direction.inbound,verto,data.params);break;default:console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED");break;}}
+return{method:data.method};}else{switch(data.method){case'verto.punt':verto.purge();verto.logout();break;case'verto.event':var list=null;var key=null;if(data.params){key=data.params.eventChannel;}
+if(key){list=verto.eventSUBS[key];if(!list){list=verto.eventSUBS[key.split(".")[0]];}}
+if(!list&&key&&key===verto.sessid){if(verto.callbacks.onMessage){verto.callbacks.onMessage(verto,null,$.verto.enum.message.pvtEvent,data.params);}}else if(!list&&key&&verto.dialogs[key]){verto.dialogs[key].sendMessage($.verto.enum.message.pvtEvent,data.params);}else if(!list){if(!key){key="UNDEFINED";}
+console.error("UNSUBBED or invalid EVENT "+key+" IGNORED");}else{for(var i in list){var sub=list[i];if(!sub||!sub.ready){console.error("invalid EVENT for "+key+" IGNORED");}else if(sub.handler){sub.handler(verto,data.params,sub.userData);}else if(verto.callbacks.onEvent){verto.callbacks.onEvent(verto,data.params,sub.userData);}else{console.log("EVENT:",data.params);}}}
+break;case"verto.info":if(verto.callbacks.onMessage){verto.callbacks.onMessage(verto,null,$.verto.enum.message.info,data.params.msg);}
+console.debug("MESSAGE from: "+data.params.msg.from,data.params.msg.body);break;case'verto.clientReady':if(verto.callbacks.onMessage){verto.callbacks.onMessage(verto,null,$.verto.enum.message.clientReady,data.params);}
+console.debug("CLIENT READY",data.params);break;default:console.error("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED",data.method);break;}}};var del_array=function(array,name){var r=[];var len=array.length;for(var i=0;i=array.length){array.push(name);}else{var x=0;var n=[];var len=array.length;for(var i=0;i":"\n");});return str;};};$.verto.liveArray=function(verto,context,name,config){var la=this;var lastSerno=0;var binding=null;var user_obj=config.userObj;var local=false;hashArray.call(la);la._add=la.add;la._del=la.del;la._reorder=la.reorder;la._clear=la.clear;la.context=context;la.name=name;la.user_obj=user_obj;la.verto=verto;la.broadcast=function(channel,obj){verto.broadcast(channel,obj);};la.errs=0;la.clear=function(){la._clear();lastSerno=0;if(la.onChange){la.onChange(la,{action:"clear"});}};la.checkSerno=function(serno){if(serno<0){return true;}
+if(lastSerno>0&&serno!=(lastSerno+1)){if(la.onErr){la.onErr(la,{lastSerno:lastSerno,serno:serno});}
+la.errs++;console.debug(la.errs);if(la.errs<3){la.bootstrap(la.user_obj);}
+return false;}else{lastSerno=serno;return true;}};la.reorder=function(serno,a){if(la.checkSerno(serno)){la._reorder(a);if(la.onChange){la.onChange(la,{serno:serno,action:"reorder"});}}};la.init=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
+if(la.checkSerno(serno)){if(la.onChange){la.onChange(la,{serno:serno,action:"init",index:index,key:key,data:val});}}};la.bootObj=function(serno,val){if(la.checkSerno(serno)){for(var i in val){la._add(val[i][0],val[i][1]);}
+if(la.onChange){la.onChange(la,{serno:serno,action:"bootObj",data:val,redraw:true});}}};la.add=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
+if(la.checkSerno(serno)){var redraw=la._add(key,val,index);if(la.onChange){la.onChange(la,{serno:serno,action:"add",index:index,key:key,data:val,redraw:redraw});}}};la.modify=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
+if(la.checkSerno(serno)){la._add(key,val,index);if(la.onChange){la.onChange(la,{serno:serno,action:"modify",key:key,data:val,index:index});}}};la.del=function(serno,key,index){if(key===null||key===undefined){key=serno;}
+if(la.checkSerno(serno)){if(index===null||index<0||index===undefined){index=la.indexOf(key);}
+var ok=la._del(key);if(ok&&la.onChange){la.onChange(la,{serno:serno,action:"del",key:key,index:index});}}};var eventHandler=function(v,e,la){var packet=e.data;if(packet.name!=la.name){return;}
+switch(packet.action){case"init":la.init(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);break;case"bootObj":la.bootObj(packet.wireSerno,packet.data);break;case"add":la.add(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);break;case"modify":if(!(packet.arrIndex||packet.hashKey)){console.error("Invalid Packet",packet);}else{la.modify(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);}
+break;case"del":if(!(packet.arrIndex||packet.hashKey)){console.error("Invalid Packet",packet);}else{la.del(packet.wireSerno,packet.hashKey,packet.arrIndex);}
+break;case"clear":la.clear();break;case"reorder":la.reorder(packet.wireSerno,packet.order);break;default:if(la.checkSerno(packet.wireSerno)){if(la.onChange){la.onChange(la,{serno:packet.wireSerno,action:packet.action,data:packet.data});}}
+break;}};if(la.context){binding=la.verto.subscribe(la.context,{handler:eventHandler,userData:la,subParams:config.subParams});}
+la.destroy=function(){la._clear();la.verto.unsubscribe(binding);};la.sendCommand=function(cmd,obj){var self=la;self.broadcast(self.context,{liveArray:{command:cmd,context:self.context,name:self.name,obj:obj}});};la.bootstrap=function(obj){var self=la;la.sendCommand("bootstrap",obj);};la.changepage=function(obj){var self=la;self.clear();self.broadcast(self.context,{liveArray:{command:"changepage",context:la.context,name:la.name,obj:obj}});};la.heartbeat=function(obj){var self=la;var callback=function(){self.heartbeat.call(self,obj);};self.broadcast(self.context,{liveArray:{command:"heartbeat",context:self.context,name:self.name,obj:obj}});self.hb_pid=setTimeout(callback,30000);};la.bootstrap(la.user_obj);};$.verto.liveTable=function(verto,context,name,jq,config){var dt;var la=new $.verto.liveArray(verto,context,name,{subParams:config.subParams});var lt=this;lt.liveArray=la;lt.dataTable=dt;lt.verto=verto;lt.destroy=function(){if(dt){dt.fnDestroy();}
+if(la){la.destroy();}
+dt=null;la=null;};la.onErr=function(obj,args){console.error("Error: ",obj,args);};function genRow(data){if(typeof(data[4])==="string"&&data[4].indexOf("{")>-1){var tmp=$.parseJSON(data[4]);data[4]=tmp.oldStatus;data[5]=null;}
+return data;}
+function genArray(obj){var data=obj.asArray();for(var i in data){data[i]=genRow(data[i]);}
+return data;}
+la.onChange=function(obj,args){var index=0;var iserr=0;if(!dt){if(!config.aoColumns){if(args.action!="init"){return;}
+config.aoColumns=[];for(var i in args.data){config.aoColumns.push({"sTitle":args.data[i]});}}
+dt=jq.dataTable(config);}
+if(dt&&(args.action=="del"||args.action=="modify")){index=args.index;if(index===undefined&&args.key){index=la.indexOf(args.key);}
+if(index===undefined){console.error("INVALID PACKET Missing INDEX\n",args);return;}}
+if(config.onChange){config.onChange(obj,args);}
+try{switch(args.action){case"bootObj":if(!args.data){console.error("missing data");return;}
+dt.fnClearTable();dt.fnAddData(genArray(obj));dt.fnAdjustColumnSizing();break;case"add":if(!args.data){console.error("missing data");return;}
+if(args.redraw>-1){dt.fnClearTable();dt.fnAddData(genArray(obj));}else{dt.fnAddData(genRow(args.data));}
+dt.fnAdjustColumnSizing();break;case"modify":if(!args.data){return;}
+dt.fnUpdate(genRow(args.data),index);dt.fnAdjustColumnSizing();break;case"del":dt.fnDeleteRow(index);dt.fnAdjustColumnSizing();break;case"clear":dt.fnClearTable();break;case"reorder":dt.fnClearTable();dt.fnAddData(genArray(obj));break;case"hide":jq.hide();break;case"show":jq.show();break;}}catch(err){console.error("ERROR: "+err);iserr++;}
+if(iserr){obj.errs++;if(obj.errs<3){obj.bootstrap(obj.user_obj);}}else{obj.errs=0;}};la.onChange(la,{action:"init"});};var CONFMAN_SERNO=1;$.verto.conf=function(verto,params){var conf=this;conf.params=$.extend({dialog:null,hasVid:false,laData:null,onBroadcast:null,onLaChange:null,onLaRow:null},params);conf.verto=verto;conf.serno=CONFMAN_SERNO++;createMainModeratorMethods();verto.subscribe(conf.params.laData.modChannel,{handler:function(v,e){if(conf.params.onBroadcast){conf.params.onBroadcast(verto,conf,e.data);}}});verto.subscribe(conf.params.laData.infoChannel,{handler:function(v,e){if(typeof(conf.params.infoCallback)==="function"){conf.params.infoCallback(v,e);}}});verto.subscribe(conf.params.laData.chatChannel,{handler:function(v,e){if(typeof(conf.params.chatCallback)==="function"){conf.params.chatCallback(v,e);}}});};$.verto.conf.prototype.modCommand=function(cmd,id,value){var conf=this;conf.verto.rpcClient.call("verto.broadcast",{"eventChannel":conf.params.laData.modChannel,"data":{"application":"conf-control","command":cmd,"id":id,"value":value}});};$.verto.conf.prototype.destroy=function(){var conf=this;conf.destroyed=true;conf.params.onBroadcast(conf.verto,conf,'destroy');if(conf.params.laData.modChannel){conf.verto.unsubscribe(conf.params.laData.modChannel);}
+if(conf.params.laData.chatChannel){conf.verto.unsubscribe(conf.params.laData.chatChannel);}
+if(conf.params.laData.infoChannel){conf.verto.unsubscribe(conf.params.laData.infoChannel);}};function createMainModeratorMethods(){$.verto.conf.prototype.listVideoLayouts=function(){this.modCommand("list-videoLayouts",null,null);};$.verto.conf.prototype.play=function(file){this.modCommand("play",null,file);};$.verto.conf.prototype.stop=function(){this.modCommand("stop",null,"all");};$.verto.conf.prototype.deaf=function(memberID){this.modCommand("deaf",parseInt(memberID));};$.verto.conf.prototype.undeaf=function(memberID){this.modCommand("undeaf",parseInt(memberID));};$.verto.conf.prototype.record=function(file){this.modCommand("recording",null,["start",file]);};$.verto.conf.prototype.stopRecord=function(){this.modCommand("recording",null,["stop","all"]);};$.verto.conf.prototype.snapshot=function(file){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("vid-write-png",null,file);};$.verto.conf.prototype.setVideoLayout=function(layout,canvasID){if(!this.params.hasVid){throw'Conference has no video';}
+if(canvasID){this.modCommand("vid-layout",null,[layout,canvasID]);}else{this.modCommand("vid-layout",null,layout);}};$.verto.conf.prototype.kick=function(memberID){this.modCommand("kick",parseInt(memberID));};$.verto.conf.prototype.muteMic=function(memberID){this.modCommand("tmute",parseInt(memberID));};$.verto.conf.prototype.muteVideo=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("tvmute",parseInt(memberID));};$.verto.conf.prototype.presenter=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("vid-res-id",parseInt(memberID),"presenter");};$.verto.conf.prototype.videoFloor=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("vid-floor",parseInt(memberID),"force");};$.verto.conf.prototype.banner=function(memberID,text){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("vid-banner",parseInt(memberID),escape(text));};$.verto.conf.prototype.volumeDown=function(memberID){this.modCommand("volume_out",parseInt(memberID),"down");};$.verto.conf.prototype.volumeUp=function(memberID){this.modCommand("volume_out",parseInt(memberID),"up");};$.verto.conf.prototype.gainDown=function(memberID){this.modCommand("volume_in",parseInt(memberID),"down");};$.verto.conf.prototype.gainUp=function(memberID){this.modCommand("volume_in",parseInt(memberID),"up");};$.verto.conf.prototype.transfer=function(memberID,exten){this.modCommand("transfer",parseInt(memberID),exten);};$.verto.conf.prototype.sendChat=function(message,type){var conf=this;conf.verto.rpcClient.call("verto.broadcast",{"eventChannel":conf.params.laData.chatChannel,"data":{"action":"send","message":message,"type":type}});};}
+$.verto.modfuncs={};$.verto.confMan=function(verto,params){var confMan=this;confMan.params=$.extend({tableID:null,statusID:null,mainModID:null,dialog:null,hasVid:false,laData:null,onBroadcast:null,onLaChange:null,onLaRow:null},params);confMan.verto=verto;confMan.serno=CONFMAN_SERNO++;confMan.canvasCount=confMan.params.laData.canvasCount;function genMainMod(jq){var play_id="play_"+confMan.serno;var stop_id="stop_"+confMan.serno;var recording_id="recording_"+confMan.serno;var snapshot_id="snapshot_"+confMan.serno;var rec_stop_id="recording_stop"+confMan.serno;var div_id="confman_"+confMan.serno;var html="Play "+"Stop "+"Record "+"Record Stop "+
+(confMan.params.hasVid?"PNG Snapshot ":"")+"
";jq.html(html);$.verto.modfuncs.change_video_layout=function(id,canvas_id){var val=$("#"+id+" option:selected").text();if(val!=="none"){confMan.modCommand("vid-layout",null,[val,canvas_id]);}};if(confMan.params.hasVid){for(var j=0;jVideo Layout Canvas "+(j+1)+" ";html+="General Controls
Kick "+"Mute "+"Gain - "+"Gain + "+"Vol - "+"Vol + "+"Transfer ";if(confMan.params.hasVid){html+="Video Controls VMute "+"Presenter "+"Vid Floor "+"Banner ";if(confMan.canvasCount>1){html+="Canvas Controls Set Input Canvas "+"Prev Input Canvas "+"Next Input Canvas "+"Set Watching Canvas "+"Prev Watching Canvas "+"Next Watching Canvas ";}
+html+="Set Layer "+"Prev Layer "+"Next Layer "+"";}
+jq.html(html);if(!jq.data("mouse")){$("#"+box_id).hide();}
+jq.mouseover(function(e){jq.data({"mouse":true});$("#"+box_id).show();});jq.mouseout(function(e){jq.data({"mouse":false});$("#"+box_id).hide();});$("#"+transfer_id).click(function(){var xten=prompt("Enter Extension");if(xten){confMan.modCommand("transfer",x,xten);}});$("#"+kick_id).click(function(){confMan.modCommand("kick",x);});$("#"+layer_set_id).click(function(){var cid=prompt("Please enter layer ID","");if(cid){confMan.modCommand("vid-layer",x,cid);}});$("#"+layer_next_id).click(function(){confMan.modCommand("vid-layer",x,"next");});$("#"+layer_prev_id).click(function(){confMan.modCommand("vid-layer",x,"prev");});$("#"+canvas_in_set_id).click(function(){var cid=prompt("Please enter canvas ID","");if(cid){confMan.modCommand("vid-canvas",x,cid);}});$("#"+canvas_out_set_id).click(function(){var cid=prompt("Please enter canvas ID","");if(cid){confMan.modCommand("vid-watching-canvas",x,cid);}});$("#"+canvas_in_next_id).click(function(){confMan.modCommand("vid-canvas",x,"next");});$("#"+canvas_in_prev_id).click(function(){confMan.modCommand("vid-canvas",x,"prev");});$("#"+canvas_out_next_id).click(function(){confMan.modCommand("vid-watching-canvas",x,"next");});$("#"+canvas_out_prev_id).click(function(){confMan.modCommand("vid-watching-canvas",x,"prev");});$("#"+tmute_id).click(function(){confMan.modCommand("tmute",x);});if(confMan.params.hasVid){$("#"+tvmute_id).click(function(){confMan.modCommand("tvmute",x);});$("#"+tvpresenter_id).click(function(){confMan.modCommand("vid-res-id",x,"presenter");});$("#"+tvfloor_id).click(function(){confMan.modCommand("vid-floor",x,"force");});$("#"+vbanner_id).click(function(){var text=prompt("Please enter text","");if(text){confMan.modCommand("vid-banner",x,escape(text));}});}
+$("#"+gainup_id).click(function(){confMan.modCommand("volume_in",x,"up");});$("#"+gaindn_id).click(function(){confMan.modCommand("volume_in",x,"down");});$("#"+volup_id).click(function(){confMan.modCommand("volume_out",x,"up");});$("#"+voldn_id).click(function(){confMan.modCommand("volume_out",x,"down");});return html;}
+var atitle="";var awidth=0;verto.subscribe(confMan.params.laData.infoChannel,{handler:function(v,e){if(typeof(confMan.params.infoCallback)==="function"){confMan.params.infoCallback(v,e);}}});verto.subscribe(confMan.params.laData.chatChannel,{handler:function(v,e){if(typeof(confMan.params.chatCallback)==="function"){confMan.params.chatCallback(v,e);}}});if(confMan.params.laData.role==="moderator"){atitle="Action";awidth=600;if(confMan.params.mainModID){genMainMod($(confMan.params.mainModID));$(confMan.params.displayID).html("Moderator Controls Readyb)?1:-1));});for(var i in options){$(vlselect_id).append(new Option(options[i],options[i]));x++;}}
+if(x){$(vlselect_id).selectmenu('refresh',true);}else{$(vlayout_id).hide();}}}else{if(!confMan.destroyed&&confMan.params.displayID){$(confMan.params.displayID).html(e.data.response+"0&&arguments[0]!==undefined?arguments[0]:{},window=_ref.window;var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{shimChrome:true,shimFirefox:true,shimEdge:true,shimSafari:true};var logging=utils.log;var browserDetails=utils.detectBrowser(window);var adapter={browserDetails:browserDetails,commonShim:commonShim,extractVersion:utils.extractVersion,disableLog:utils.disableLog,disableWarnings:utils.disableWarnings};switch(browserDetails.browser){case'chrome':if(!chromeShim||!chromeShim.shimPeerConnection||!options.shimChrome){logging('Chrome shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming chrome.');adapter.browserShim=chromeShim;chromeShim.shimGetUserMedia(window);chromeShim.shimMediaStream(window);chromeShim.shimPeerConnection(window);chromeShim.shimOnTrack(window);chromeShim.shimAddTrackRemoveTrack(window);chromeShim.shimGetSendersWithDtmf(window);chromeShim.shimSenderReceiverGetStats(window);chromeShim.fixNegotiationNeeded(window);commonShim.shimRTCIceCandidate(window);commonShim.shimConnectionState(window);commonShim.shimMaxMessageSize(window);commonShim.shimSendThrowTypeError(window);commonShim.removeAllowExtmapMixed(window);break;case'firefox':if(!firefoxShim||!firefoxShim.shimPeerConnection||!options.shimFirefox){logging('Firefox shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming firefox.');adapter.browserShim=firefoxShim;firefoxShim.shimGetUserMedia(window);firefoxShim.shimPeerConnection(window);firefoxShim.shimOnTrack(window);firefoxShim.shimRemoveStream(window);firefoxShim.shimSenderGetStats(window);firefoxShim.shimReceiverGetStats(window);firefoxShim.shimRTCDataChannel(window);commonShim.shimRTCIceCandidate(window);commonShim.shimConnectionState(window);commonShim.shimMaxMessageSize(window);commonShim.shimSendThrowTypeError(window);break;case'edge':if(!edgeShim||!edgeShim.shimPeerConnection||!options.shimEdge){logging('MS edge shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming edge.');adapter.browserShim=edgeShim;edgeShim.shimGetUserMedia(window);edgeShim.shimGetDisplayMedia(window);edgeShim.shimPeerConnection(window);edgeShim.shimReplaceTrack(window);commonShim.shimMaxMessageSize(window);commonShim.shimSendThrowTypeError(window);break;case'safari':if(!safariShim||!options.shimSafari){logging('Safari shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming safari.');adapter.browserShim=safariShim;safariShim.shimRTCIceServerUrls(window);safariShim.shimCreateOfferLegacy(window);safariShim.shimCallbacksAPI(window);safariShim.shimLocalStreamsAPI(window);safariShim.shimRemoteStreamsAPI(window);safariShim.shimTrackEventTransceiver(window);safariShim.shimGetUserMedia(window);commonShim.shimRTCIceCandidate(window);commonShim.shimMaxMessageSize(window);commonShim.shimSendThrowTypeError(window);commonShim.removeAllowExtmapMixed(window);break;default:logging('Unsupported browser!');break;}
+return adapter;}},{"./chrome/chrome_shim":3,"./common_shim":6,"./edge/edge_shim":7,"./firefox/firefox_shim":11,"./safari/safari_shim":14,"./utils":15}],3:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=exports.shimGetUserMedia=undefined;var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};var _getusermedia=require('./getusermedia');Object.defineProperty(exports,'shimGetUserMedia',{enumerable:true,get:function get(){return _getusermedia.shimGetUserMedia;}});var _getdisplaymedia=require('./getdisplaymedia');Object.defineProperty(exports,'shimGetDisplayMedia',{enumerable:true,get:function get(){return _getdisplaymedia.shimGetDisplayMedia;}});exports.shimMediaStream=shimMediaStream;exports.shimOnTrack=shimOnTrack;exports.shimGetSendersWithDtmf=shimGetSendersWithDtmf;exports.shimSenderReceiverGetStats=shimSenderReceiverGetStats;exports.shimAddTrackRemoveTrackWithNative=shimAddTrackRemoveTrackWithNative;exports.shimAddTrackRemoveTrack=shimAddTrackRemoveTrack;exports.shimPeerConnection=shimPeerConnection;exports.fixNegotiationNeeded=fixNegotiationNeeded;var _utils=require('../utils.js');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function walkStats(stats,base,resultSet){if(!base||resultSet.has(base.id)){return;}
+resultSet.set(base.id,base);Object.keys(base).forEach(function(name){if(name.endsWith('Id')){walkStats(stats,stats.get(base[name]),resultSet);}else if(name.endsWith('Ids')){base[name].forEach(function(id){walkStats(stats,stats.get(id),resultSet);});}});}
+function filterStats(result,track,outbound){var streamStatsType=outbound?'outbound-rtp':'inbound-rtp';var filteredResult=new Map();if(track===null){return filteredResult;}
+var trackStats=[];result.forEach(function(value){if(value.type==='track'&&value.trackIdentifier===track.id){trackStats.push(value);}});trackStats.forEach(function(trackStat){result.forEach(function(stats){if(stats.type===streamStatsType&&stats.trackId===trackStat.id){walkStats(result,stats,filteredResult);}});});return filteredResult;}
+function shimMediaStream(window){window.MediaStream=window.MediaStream||window.webkitMediaStream;}
+function shimOnTrack(window){if((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&!('ontrack'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'ontrack',{get:function get(){return this._ontrack;},set:function set(f){if(this._ontrack){this.removeEventListener('track',this._ontrack);}
+this.addEventListener('track',this._ontrack=f);},enumerable:true,configurable:true});var origSetRemoteDescription=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(){var _this=this;if(!this._ontrackpoly){this._ontrackpoly=function(e){e.stream.addEventListener('addtrack',function(te){var receiver=void 0;if(window.RTCPeerConnection.prototype.getReceivers){receiver=_this.getReceivers().find(function(r){return r.track&&r.track.id===te.track.id;});}else{receiver={track:te.track};}
+var event=new Event('track');event.track=te.track;event.receiver=receiver;event.transceiver={receiver:receiver};event.streams=[e.stream];_this.dispatchEvent(event);});e.stream.getTracks().forEach(function(track){var receiver=void 0;if(window.RTCPeerConnection.prototype.getReceivers){receiver=_this.getReceivers().find(function(r){return r.track&&r.track.id===track.id;});}else{receiver={track:track};}
+var event=new Event('track');event.track=track;event.receiver=receiver;event.transceiver={receiver:receiver};event.streams=[e.stream];_this.dispatchEvent(event);});};this.addEventListener('addstream',this._ontrackpoly);}
+return origSetRemoteDescription.apply(this,arguments);};}else{utils.wrapPeerConnectionEvent(window,'track',function(e){if(!e.transceiver){Object.defineProperty(e,'transceiver',{value:{receiver:e.receiver}});}
+return e;});}}
+function shimGetSendersWithDtmf(window){if((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&!('getSenders'in window.RTCPeerConnection.prototype)&&'createDTMFSender'in window.RTCPeerConnection.prototype){var shimSenderWithDtmf=function shimSenderWithDtmf(pc,track){return{track:track,get dtmf(){if(this._dtmf===undefined){if(track.kind==='audio'){this._dtmf=pc.createDTMFSender(track);}else{this._dtmf=null;}}
+return this._dtmf;},_pc:pc};};if(!window.RTCPeerConnection.prototype.getSenders){window.RTCPeerConnection.prototype.getSenders=function(){this._senders=this._senders||[];return this._senders.slice();};var origAddTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addTrack=function(track,stream){var sender=origAddTrack.apply(this,arguments);if(!sender){sender=shimSenderWithDtmf(this,track);this._senders.push(sender);}
+return sender;};var origRemoveTrack=window.RTCPeerConnection.prototype.removeTrack;window.RTCPeerConnection.prototype.removeTrack=function(sender){origRemoveTrack.apply(this,arguments);var idx=this._senders.indexOf(sender);if(idx!==-1){this._senders.splice(idx,1);}};}
+var origAddStream=window.RTCPeerConnection.prototype.addStream;window.RTCPeerConnection.prototype.addStream=function(stream){var _this2=this;this._senders=this._senders||[];origAddStream.apply(this,[stream]);stream.getTracks().forEach(function(track){_this2._senders.push(shimSenderWithDtmf(_this2,track));});};var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;window.RTCPeerConnection.prototype.removeStream=function(stream){var _this3=this;this._senders=this._senders||[];origRemoveStream.apply(this,[stream]);stream.getTracks().forEach(function(track){var sender=_this3._senders.find(function(s){return s.track===track;});if(sender){_this3._senders.splice(_this3._senders.indexOf(sender),1);}});};}else if((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&'getSenders'in window.RTCPeerConnection.prototype&&'createDTMFSender'in window.RTCPeerConnection.prototype&&window.RTCRtpSender&&!('dtmf'in window.RTCRtpSender.prototype)){var origGetSenders=window.RTCPeerConnection.prototype.getSenders;window.RTCPeerConnection.prototype.getSenders=function(){var _this4=this;var senders=origGetSenders.apply(this,[]);senders.forEach(function(sender){return sender._pc=_this4;});return senders;};Object.defineProperty(window.RTCRtpSender.prototype,'dtmf',{get:function get(){if(this._dtmf===undefined){if(this.track.kind==='audio'){this._dtmf=this._pc.createDTMFSender(this.track);}else{this._dtmf=null;}}
+return this._dtmf;}});}}
+function shimSenderReceiverGetStats(window){if(!((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&window.RTCRtpSender&&window.RTCRtpReceiver)){return;}
+if(!('getStats'in window.RTCRtpSender.prototype)){var origGetSenders=window.RTCPeerConnection.prototype.getSenders;if(origGetSenders){window.RTCPeerConnection.prototype.getSenders=function(){var _this5=this;var senders=origGetSenders.apply(this,[]);senders.forEach(function(sender){return sender._pc=_this5;});return senders;};}
+var origAddTrack=window.RTCPeerConnection.prototype.addTrack;if(origAddTrack){window.RTCPeerConnection.prototype.addTrack=function(){var sender=origAddTrack.apply(this,arguments);sender._pc=this;return sender;};}
+window.RTCRtpSender.prototype.getStats=function(){var sender=this;return this._pc.getStats().then(function(result){return(filterStats(result,sender.track,true));});};}
+if(!('getStats'in window.RTCRtpReceiver.prototype)){var origGetReceivers=window.RTCPeerConnection.prototype.getReceivers;if(origGetReceivers){window.RTCPeerConnection.prototype.getReceivers=function(){var _this6=this;var receivers=origGetReceivers.apply(this,[]);receivers.forEach(function(receiver){return receiver._pc=_this6;});return receivers;};}
+utils.wrapPeerConnectionEvent(window,'track',function(e){e.receiver._pc=e.srcElement;return e;});window.RTCRtpReceiver.prototype.getStats=function(){var receiver=this;return this._pc.getStats().then(function(result){return filterStats(result,receiver.track,false);});};}
+if(!('getStats'in window.RTCRtpSender.prototype&&'getStats'in window.RTCRtpReceiver.prototype)){return;}
+var origGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof window.MediaStreamTrack){var track=arguments[0];var sender=void 0;var receiver=void 0;var err=void 0;this.getSenders().forEach(function(s){if(s.track===track){if(sender){err=true;}else{sender=s;}}});this.getReceivers().forEach(function(r){if(r.track===track){if(receiver){err=true;}else{receiver=r;}}
+return r.track===track;});if(err||sender&&receiver){return Promise.reject(new DOMException('There are more than one sender or receiver for the track.','InvalidAccessError'));}else if(sender){return sender.getStats();}else if(receiver){return receiver.getStats();}
+return Promise.reject(new DOMException('There is no sender or receiver for the track.','InvalidAccessError'));}
+return origGetStats.apply(this,arguments);};}
+function shimAddTrackRemoveTrackWithNative(window){window.RTCPeerConnection.prototype.getLocalStreams=function(){var _this7=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{};return Object.keys(this._shimmedLocalStreams).map(function(streamId){return _this7._shimmedLocalStreams[streamId][0];});};var origAddTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addTrack=function(track,stream){if(!stream){return origAddTrack.apply(this,arguments);}
+this._shimmedLocalStreams=this._shimmedLocalStreams||{};var sender=origAddTrack.apply(this,arguments);if(!this._shimmedLocalStreams[stream.id]){this._shimmedLocalStreams[stream.id]=[stream,sender];}else if(this._shimmedLocalStreams[stream.id].indexOf(sender)===-1){this._shimmedLocalStreams[stream.id].push(sender);}
+return sender;};var origAddStream=window.RTCPeerConnection.prototype.addStream;window.RTCPeerConnection.prototype.addStream=function(stream){var _this8=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{};stream.getTracks().forEach(function(track){var alreadyExists=_this8.getSenders().find(function(s){return s.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}});var existingSenders=this.getSenders();origAddStream.apply(this,arguments);var newSenders=this.getSenders().filter(function(newSender){return existingSenders.indexOf(newSender)===-1;});this._shimmedLocalStreams[stream.id]=[stream].concat(newSenders);};var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;window.RTCPeerConnection.prototype.removeStream=function(stream){this._shimmedLocalStreams=this._shimmedLocalStreams||{};delete this._shimmedLocalStreams[stream.id];return origRemoveStream.apply(this,arguments);};var origRemoveTrack=window.RTCPeerConnection.prototype.removeTrack;window.RTCPeerConnection.prototype.removeTrack=function(sender){var _this9=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{};if(sender){Object.keys(this._shimmedLocalStreams).forEach(function(streamId){var idx=_this9._shimmedLocalStreams[streamId].indexOf(sender);if(idx!==-1){_this9._shimmedLocalStreams[streamId].splice(idx,1);}
+if(_this9._shimmedLocalStreams[streamId].length===1){delete _this9._shimmedLocalStreams[streamId];}});}
+return origRemoveTrack.apply(this,arguments);};}
+function shimAddTrackRemoveTrack(window){if(!window.RTCPeerConnection){return;}
+var browserDetails=utils.detectBrowser(window);if(window.RTCPeerConnection.prototype.addTrack&&browserDetails.version>=65){return shimAddTrackRemoveTrackWithNative(window);}
+var origGetLocalStreams=window.RTCPeerConnection.prototype.getLocalStreams;window.RTCPeerConnection.prototype.getLocalStreams=function(){var _this10=this;var nativeStreams=origGetLocalStreams.apply(this);this._reverseStreams=this._reverseStreams||{};return nativeStreams.map(function(stream){return _this10._reverseStreams[stream.id];});};var origAddStream=window.RTCPeerConnection.prototype.addStream;window.RTCPeerConnection.prototype.addStream=function(stream){var _this11=this;this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};stream.getTracks().forEach(function(track){var alreadyExists=_this11.getSenders().find(function(s){return s.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}});if(!this._reverseStreams[stream.id]){var newStream=new window.MediaStream(stream.getTracks());this._streams[stream.id]=newStream;this._reverseStreams[newStream.id]=stream;stream=newStream;}
+origAddStream.apply(this,[stream]);};var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;window.RTCPeerConnection.prototype.removeStream=function(stream){this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};origRemoveStream.apply(this,[this._streams[stream.id]||stream]);delete this._reverseStreams[this._streams[stream.id]?this._streams[stream.id].id:stream.id];delete this._streams[stream.id];};window.RTCPeerConnection.prototype.addTrack=function(track,stream){var _this12=this;if(this.signalingState==='closed'){throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.','InvalidStateError');}
+var streams=[].slice.call(arguments,1);if(streams.length!==1||!streams[0].getTracks().find(function(t){return t===track;})){throw new DOMException('The adapter.js addTrack polyfill only supports a single '+' stream which is associated with the specified track.','NotSupportedError');}
+var alreadyExists=this.getSenders().find(function(s){return s.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}
+this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};var oldStream=this._streams[stream.id];if(oldStream){oldStream.addTrack(track);Promise.resolve().then(function(){_this12.dispatchEvent(new Event('negotiationneeded'));});}else{var newStream=new window.MediaStream([track]);this._streams[stream.id]=newStream;this._reverseStreams[newStream.id]=stream;this.addStream(newStream);}
+return this.getSenders().find(function(s){return s.track===track;});};function replaceInternalStreamId(pc,description){var sdp=description.sdp;Object.keys(pc._reverseStreams||[]).forEach(function(internalId){var externalStream=pc._reverseStreams[internalId];var internalStream=pc._streams[externalStream.id];sdp=sdp.replace(new RegExp(internalStream.id,'g'),externalStream.id);});return new RTCSessionDescription({type:description.type,sdp:sdp});}
+function replaceExternalStreamId(pc,description){var sdp=description.sdp;Object.keys(pc._reverseStreams||[]).forEach(function(internalId){var externalStream=pc._reverseStreams[internalId];var internalStream=pc._streams[externalStream.id];sdp=sdp.replace(new RegExp(externalStream.id,'g'),internalStream.id);});return new RTCSessionDescription({type:description.type,sdp:sdp});}
+['createOffer','createAnswer'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){var _this13=this;var args=arguments;var isLegacyCall=arguments.length&&typeof arguments[0]==='function';if(isLegacyCall){return nativeMethod.apply(this,[function(description){var desc=replaceInternalStreamId(_this13,description);args[0].apply(null,[desc]);},function(err){if(args[1]){args[1].apply(null,err);}},arguments[2]]);}
+return nativeMethod.apply(this,arguments).then(function(description){return replaceInternalStreamId(_this13,description);});};});var origSetLocalDescription=window.RTCPeerConnection.prototype.setLocalDescription;window.RTCPeerConnection.prototype.setLocalDescription=function(){if(!arguments.length||!arguments[0].type){return origSetLocalDescription.apply(this,arguments);}
+arguments[0]=replaceExternalStreamId(this,arguments[0]);return origSetLocalDescription.apply(this,arguments);};var origLocalDescription=Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype,'localDescription');Object.defineProperty(window.RTCPeerConnection.prototype,'localDescription',{get:function get(){var description=origLocalDescription.get.apply(this);if(description.type===''){return description;}
+return replaceInternalStreamId(this,description);}});window.RTCPeerConnection.prototype.removeTrack=function(sender){var _this14=this;if(this.signalingState==='closed'){throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.','InvalidStateError');}
+if(!sender._pc){throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack '+'does not implement interface RTCRtpSender.','TypeError');}
+var isLocal=sender._pc===this;if(!isLocal){throw new DOMException('Sender was not created by this connection.','InvalidAccessError');}
+this._streams=this._streams||{};var stream=void 0;Object.keys(this._streams).forEach(function(streamid){var hasTrack=_this14._streams[streamid].getTracks().find(function(track){return sender.track===track;});if(hasTrack){stream=_this14._streams[streamid];}});if(stream){if(stream.getTracks().length===1){this.removeStream(this._reverseStreams[stream.id]);}else{stream.removeTrack(sender.track);}
+this.dispatchEvent(new Event('negotiationneeded'));}};}
+function shimPeerConnection(window){if(!window.RTCPeerConnection&&window.webkitRTCPeerConnection){window.RTCPeerConnection=window.webkitRTCPeerConnection;}
+if(!window.RTCPeerConnection){return;}
+var origGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(selector,successCallback,errorCallback){var _this15=this;var args=arguments;if(arguments.length>0&&typeof selector==='function'){return origGetStats.apply(this,arguments);}
+if(origGetStats.length===0&&(arguments.length===0||typeof arguments[0]!=='function')){return origGetStats.apply(this,[]);}
+var fixChromeStats_=function fixChromeStats_(response){var standardReport={};var reports=response.result();reports.forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:{localcandidate:'local-candidate',remotecandidate:'remote-candidate'}[report.type]||report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name);});standardReport[standardStats.id]=standardStats;});return standardReport;};var makeMapStats=function makeMapStats(stats){return new Map(Object.keys(stats).map(function(key){return[key,stats[key]];}));};if(arguments.length>=2){var successCallbackWrapper_=function successCallbackWrapper_(response){args[1](makeMapStats(fixChromeStats_(response)));};return origGetStats.apply(this,[successCallbackWrapper_,arguments[0]]);}
+return new Promise(function(resolve,reject){origGetStats.apply(_this15,[function(response){resolve(makeMapStats(fixChromeStats_(response)));},reject]);}).then(successCallback,errorCallback);};['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){arguments[0]=new(method==='addIceCandidate'?window.RTCIceCandidate:window.RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments);};});var nativeAddIceCandidate=window.RTCPeerConnection.prototype.addIceCandidate;window.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null);}
+return Promise.resolve();}
+return nativeAddIceCandidate.apply(this,arguments);};}
+function fixNegotiationNeeded(window){utils.wrapPeerConnectionEvent(window,'negotiationneeded',function(e){var pc=e.target;if(pc.signalingState!=='stable'){return;}
+return e;});}},{"../utils.js":15,"./getdisplaymedia":4,"./getusermedia":5}],4:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=shimGetDisplayMedia;function shimGetDisplayMedia(window,getSourceId){if(window.navigator.mediaDevices&&'getDisplayMedia'in window.navigator.mediaDevices){return;}
+if(!window.navigator.mediaDevices){return;}
+if(typeof getSourceId!=='function'){console.error('shimGetDisplayMedia: getSourceId argument is not '+'a function');return;}
+window.navigator.mediaDevices.getDisplayMedia=function(constraints){return getSourceId(constraints).then(function(sourceId){var widthSpecified=constraints.video&&constraints.video.width;var heightSpecified=constraints.video&&constraints.video.height;var frameRateSpecified=constraints.video&&constraints.video.frameRate;constraints.video={mandatory:{chromeMediaSource:'desktop',chromeMediaSourceId:sourceId,maxFrameRate:frameRateSpecified||3}};if(widthSpecified){constraints.video.mandatory.maxWidth=widthSpecified;}
+if(heightSpecified){constraints.video.mandatory.maxHeight=heightSpecified;}
+return window.navigator.mediaDevices.getUserMedia(constraints);});};}},{}],5:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};exports.shimGetUserMedia=shimGetUserMedia;var _utils=require('../utils.js');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+var logging=utils.log;function shimGetUserMedia(window){var navigator=window&&window.navigator;if(!navigator.mediaDevices){return;}
+var browserDetails=utils.detectBrowser(window);var constraintsToChrome_=function constraintsToChrome_(c){if((typeof c==='undefined'?'undefined':_typeof(c))!=='object'||c.mandatory||c.optional){return c;}
+var cc={};Object.keys(c).forEach(function(key){if(key==='require'||key==='advanced'||key==='mediaSource'){return;}
+var r=_typeof(c[key])==='object'?c[key]:{ideal:c[key]};if(r.exact!==undefined&&typeof r.exact==='number'){r.min=r.max=r.exact;}
+var oldname_=function oldname_(prefix,name){if(prefix){return prefix+name.charAt(0).toUpperCase()+name.slice(1);}
+return name==='deviceId'?'sourceId':name;};if(r.ideal!==undefined){cc.optional=cc.optional||[];var oc={};if(typeof r.ideal==='number'){oc[oldname_('min',key)]=r.ideal;cc.optional.push(oc);oc={};oc[oldname_('max',key)]=r.ideal;cc.optional.push(oc);}else{oc[oldname_('',key)]=r.ideal;cc.optional.push(oc);}}
+if(r.exact!==undefined&&typeof r.exact!=='number'){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_('',key)]=r.exact;}else{['min','max'].forEach(function(mix){if(r[mix]!==undefined){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_(mix,key)]=r[mix];}});}});if(c.advanced){cc.optional=(cc.optional||[]).concat(c.advanced);}
+return cc;};var shimConstraints_=function shimConstraints_(constraints,func){if(browserDetails.version>=61){return func(constraints);}
+constraints=JSON.parse(JSON.stringify(constraints));if(constraints&&_typeof(constraints.audio)==='object'){var remap=function remap(obj,a,b){if(a in obj&&!(b in obj)){obj[b]=obj[a];delete obj[a];}};constraints=JSON.parse(JSON.stringify(constraints));remap(constraints.audio,'autoGainControl','googAutoGainControl');remap(constraints.audio,'noiseSuppression','googNoiseSuppression');constraints.audio=constraintsToChrome_(constraints.audio);}
+if(constraints&&_typeof(constraints.video)==='object'){var face=constraints.video.facingMode;face=face&&((typeof face==='undefined'?'undefined':_typeof(face))==='object'?face:{ideal:face});var getSupportedFacingModeLies=browserDetails.version<66;if(face&&(face.exact==='user'||face.exact==='environment'||face.ideal==='user'||face.ideal==='environment')&&!(navigator.mediaDevices.getSupportedConstraints&&navigator.mediaDevices.getSupportedConstraints().facingMode&&!getSupportedFacingModeLies)){delete constraints.video.facingMode;var matches=void 0;if(face.exact==='environment'||face.ideal==='environment'){matches=['back','rear'];}else if(face.exact==='user'||face.ideal==='user'){matches=['front'];}
+if(matches){return navigator.mediaDevices.enumerateDevices().then(function(devices){devices=devices.filter(function(d){return d.kind==='videoinput';});var dev=devices.find(function(d){return matches.some(function(match){return d.label.toLowerCase().includes(match);});});if(!dev&&devices.length&&matches.includes('back')){dev=devices[devices.length-1];}
+if(dev){constraints.video.deviceId=face.exact?{exact:dev.deviceId}:{ideal:dev.deviceId};}
+constraints.video=constraintsToChrome_(constraints.video);logging('chrome: '+JSON.stringify(constraints));return func(constraints);});}}
+constraints.video=constraintsToChrome_(constraints.video);}
+logging('chrome: '+JSON.stringify(constraints));return func(constraints);};var shimError_=function shimError_(e){if(browserDetails.version>=64){return e;}
+return{name:{PermissionDeniedError:'NotAllowedError',PermissionDismissedError:'NotAllowedError',InvalidStateError:'NotAllowedError',DevicesNotFoundError:'NotFoundError',ConstraintNotSatisfiedError:'OverconstrainedError',TrackStartError:'NotReadableError',MediaDeviceFailedDueToShutdown:'NotAllowedError',MediaDeviceKillSwitchOn:'NotAllowedError',TabCaptureError:'AbortError',ScreenCaptureError:'AbortError',DeviceCaptureError:'AbortError'}[e.name]||e.name,message:e.message,constraint:e.constraint||e.constraintName,toString:function toString(){return this.name+(this.message&&': ')+this.message;}};};var getUserMedia_=function getUserMedia_(constraints,onSuccess,onError){shimConstraints_(constraints,function(c){navigator.webkitGetUserMedia(c,onSuccess,function(e){if(onError){onError(shimError_(e));}});});};navigator.getUserMedia=getUserMedia_.bind(navigator);var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(cs){return shimConstraints_(cs,function(c){return origGetUserMedia(c).then(function(stream){if(c.audio&&!stream.getAudioTracks().length||c.video&&!stream.getVideoTracks().length){stream.getTracks().forEach(function(track){track.stop();});throw new DOMException('','NotFoundError');}
+return stream;},function(e){return Promise.reject(shimError_(e));});});};}},{"../utils.js":15}],6:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};exports.shimRTCIceCandidate=shimRTCIceCandidate;exports.shimMaxMessageSize=shimMaxMessageSize;exports.shimSendThrowTypeError=shimSendThrowTypeError;exports.shimConnectionState=shimConnectionState;exports.removeAllowExtmapMixed=removeAllowExtmapMixed;var _sdp=require('sdp');var _sdp2=_interopRequireDefault(_sdp);var _utils=require('./utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}
+function shimRTCIceCandidate(window){if(!window.RTCIceCandidate||window.RTCIceCandidate&&'foundation'in window.RTCIceCandidate.prototype){return;}
+var NativeRTCIceCandidate=window.RTCIceCandidate;window.RTCIceCandidate=function(args){if((typeof args==='undefined'?'undefined':_typeof(args))==='object'&&args.candidate&&args.candidate.indexOf('a=')===0){args=JSON.parse(JSON.stringify(args));args.candidate=args.candidate.substr(2);}
+if(args.candidate&&args.candidate.length){var nativeCandidate=new NativeRTCIceCandidate(args);var parsedCandidate=_sdp2.default.parseCandidate(args.candidate);var augmentedCandidate=Object.assign(nativeCandidate,parsedCandidate);augmentedCandidate.toJSON=function(){return{candidate:augmentedCandidate.candidate,sdpMid:augmentedCandidate.sdpMid,sdpMLineIndex:augmentedCandidate.sdpMLineIndex,usernameFragment:augmentedCandidate.usernameFragment};};return augmentedCandidate;}
+return new NativeRTCIceCandidate(args);};window.RTCIceCandidate.prototype=NativeRTCIceCandidate.prototype;utils.wrapPeerConnectionEvent(window,'icecandidate',function(e){if(e.candidate){Object.defineProperty(e,'candidate',{value:new window.RTCIceCandidate(e.candidate),writable:'false'});}
+return e;});}
+function shimMaxMessageSize(window){if(window.RTCSctpTransport||!window.RTCPeerConnection){return;}
+var browserDetails=utils.detectBrowser(window);if(!('sctp'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'sctp',{get:function get(){return typeof this._sctp==='undefined'?null:this._sctp;}});}
+var sctpInDescription=function sctpInDescription(description){var sections=_sdp2.default.splitSections(description.sdp);sections.shift();return sections.some(function(mediaSection){var mLine=_sdp2.default.parseMLine(mediaSection);return mLine&&mLine.kind==='application'&&mLine.protocol.indexOf('SCTP')!==-1;});};var getRemoteFirefoxVersion=function getRemoteFirefoxVersion(description){var match=description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);if(match===null||match.length<2){return-1;}
+var version=parseInt(match[1],10);return version!==version?-1:version;};var getCanSendMaxMessageSize=function getCanSendMaxMessageSize(remoteIsFirefox){var canSendMaxMessageSize=65536;if(browserDetails.browser==='firefox'){if(browserDetails.version<57){if(remoteIsFirefox===-1){canSendMaxMessageSize=16384;}else{canSendMaxMessageSize=2147483637;}}else if(browserDetails.version<60){canSendMaxMessageSize=browserDetails.version===57?65535:65536;}else{canSendMaxMessageSize=2147483637;}}
+return canSendMaxMessageSize;};var getMaxMessageSize=function getMaxMessageSize(description,remoteIsFirefox){var maxMessageSize=65536;if(browserDetails.browser==='firefox'&&browserDetails.version===57){maxMessageSize=65535;}
+var match=_sdp2.default.matchPrefix(description.sdp,'a=max-message-size:');if(match.length>0){maxMessageSize=parseInt(match[0].substr(19),10);}else if(browserDetails.browser==='firefox'&&remoteIsFirefox!==-1){maxMessageSize=2147483637;}
+return maxMessageSize;};var origSetRemoteDescription=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(){this._sctp=null;if(sctpInDescription(arguments[0])){var isFirefox=getRemoteFirefoxVersion(arguments[0]);var canSendMMS=getCanSendMaxMessageSize(isFirefox);var remoteMMS=getMaxMessageSize(arguments[0],isFirefox);var maxMessageSize=void 0;if(canSendMMS===0&&remoteMMS===0){maxMessageSize=Number.POSITIVE_INFINITY;}else if(canSendMMS===0||remoteMMS===0){maxMessageSize=Math.max(canSendMMS,remoteMMS);}else{maxMessageSize=Math.min(canSendMMS,remoteMMS);}
+var sctp={};Object.defineProperty(sctp,'maxMessageSize',{get:function get(){return maxMessageSize;}});this._sctp=sctp;}
+return origSetRemoteDescription.apply(this,arguments);};}
+function shimSendThrowTypeError(window){if(!(window.RTCPeerConnection&&'createDataChannel'in window.RTCPeerConnection.prototype)){return;}
+function wrapDcSend(dc,pc){var origDataChannelSend=dc.send;dc.send=function(){var data=arguments[0];var length=data.length||data.size||data.byteLength;if(dc.readyState==='open'&&pc.sctp&&length>pc.sctp.maxMessageSize){throw new TypeError('Message too large (can send a maximum of '+pc.sctp.maxMessageSize+' bytes)');}
+return origDataChannelSend.apply(dc,arguments);};}
+var origCreateDataChannel=window.RTCPeerConnection.prototype.createDataChannel;window.RTCPeerConnection.prototype.createDataChannel=function(){var dataChannel=origCreateDataChannel.apply(this,arguments);wrapDcSend(dataChannel,this);return dataChannel;};utils.wrapPeerConnectionEvent(window,'datachannel',function(e){wrapDcSend(e.channel,e.target);return e;});}
+function shimConnectionState(window){if(!window.RTCPeerConnection||'connectionState'in window.RTCPeerConnection.prototype){return;}
+var proto=window.RTCPeerConnection.prototype;Object.defineProperty(proto,'connectionState',{get:function get(){return{completed:'connected',checking:'connecting'}[this.iceConnectionState]||this.iceConnectionState;},enumerable:true,configurable:true});Object.defineProperty(proto,'onconnectionstatechange',{get:function get(){return this._onconnectionstatechange||null;},set:function set(cb){if(this._onconnectionstatechange){this.removeEventListener('connectionstatechange',this._onconnectionstatechange);delete this._onconnectionstatechange;}
+if(cb){this.addEventListener('connectionstatechange',this._onconnectionstatechange=cb);}},enumerable:true,configurable:true});['setLocalDescription','setRemoteDescription'].forEach(function(method){var origMethod=proto[method];proto[method]=function(){if(!this._connectionstatechangepoly){this._connectionstatechangepoly=function(e){var pc=e.target;if(pc._lastConnectionState!==pc.connectionState){pc._lastConnectionState=pc.connectionState;var newEvent=new Event('connectionstatechange',e);pc.dispatchEvent(newEvent);}
+return e;};this.addEventListener('iceconnectionstatechange',this._connectionstatechangepoly);}
+return origMethod.apply(this,arguments);};});}
+function removeAllowExtmapMixed(window){if(!window.RTCPeerConnection){return;}
+var browserDetails=utils.detectBrowser(window);if(browserDetails.browser==='chrome'&&browserDetails.version>=71){return;}
+var nativeSRD=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(desc){if(desc&&desc.sdp&&desc.sdp.indexOf('\na=extmap-allow-mixed')!==-1){desc.sdp=desc.sdp.split('\n').filter(function(line){return line.trim()!=='a=extmap-allow-mixed';}).join('\n');}
+return nativeSRD.apply(this,arguments);};}},{"./utils":15,"sdp":17}],7:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=exports.shimGetUserMedia=undefined;var _getusermedia=require('./getusermedia');Object.defineProperty(exports,'shimGetUserMedia',{enumerable:true,get:function get(){return _getusermedia.shimGetUserMedia;}});var _getdisplaymedia=require('./getdisplaymedia');Object.defineProperty(exports,'shimGetDisplayMedia',{enumerable:true,get:function get(){return _getdisplaymedia.shimGetDisplayMedia;}});exports.shimPeerConnection=shimPeerConnection;exports.shimReplaceTrack=shimReplaceTrack;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);var _filtericeservers=require('./filtericeservers');var _rtcpeerconnectionShim=require('rtcpeerconnection-shim');var _rtcpeerconnectionShim2=_interopRequireDefault(_rtcpeerconnectionShim);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}
+function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function shimPeerConnection(window){var browserDetails=utils.detectBrowser(window);if(window.RTCIceGatherer){if(!window.RTCIceCandidate){window.RTCIceCandidate=function(args){return args;};}
+if(!window.RTCSessionDescription){window.RTCSessionDescription=function(args){return args;};}
+if(browserDetails.version<15025){var origMSTEnabled=Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype,'enabled');Object.defineProperty(window.MediaStreamTrack.prototype,'enabled',{set:function set(value){origMSTEnabled.set.call(this,value);var ev=new Event('enabled');ev.enabled=value;this.dispatchEvent(ev);}});}}
+if(window.RTCRtpSender&&!('dtmf'in window.RTCRtpSender.prototype)){Object.defineProperty(window.RTCRtpSender.prototype,'dtmf',{get:function get(){if(this._dtmf===undefined){if(this.track.kind==='audio'){this._dtmf=new window.RTCDtmfSender(this);}else if(this.track.kind==='video'){this._dtmf=null;}}
+return this._dtmf;}});}
+if(window.RTCDtmfSender&&!window.RTCDTMFSender){window.RTCDTMFSender=window.RTCDtmfSender;}
+var RTCPeerConnectionShim=(0,_rtcpeerconnectionShim2.default)(window,browserDetails.version);window.RTCPeerConnection=function(config){if(config&&config.iceServers){config.iceServers=(0,_filtericeservers.filterIceServers)(config.iceServers,browserDetails.version);utils.log('ICE servers after filtering:',config.iceServers);}
+return new RTCPeerConnectionShim(config);};window.RTCPeerConnection.prototype=RTCPeerConnectionShim.prototype;}
+function shimReplaceTrack(window){if(window.RTCRtpSender&&!('replaceTrack'in window.RTCRtpSender.prototype)){window.RTCRtpSender.prototype.replaceTrack=window.RTCRtpSender.prototype.setTrack;}}},{"../utils":15,"./filtericeservers":8,"./getdisplaymedia":9,"./getusermedia":10,"rtcpeerconnection-shim":16}],8:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.filterIceServers=filterIceServers;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function filterIceServers(iceServers,edgeVersion){var hasTurn=false;iceServers=JSON.parse(JSON.stringify(iceServers));return iceServers.filter(function(server){if(server&&(server.urls||server.url)){var urls=server.urls||server.url;if(server.url&&!server.urls){utils.deprecated('RTCIceServer.url','RTCIceServer.urls');}
+var isString=typeof urls==='string';if(isString){urls=[urls];}
+urls=urls.filter(function(url){if(url.indexOf('stun:')===0){return false;}
+var validTurn=url.startsWith('turn')&&!url.startsWith('turn:[')&&url.includes('transport=udp');if(validTurn&&!hasTurn){hasTurn=true;return true;}
+return validTurn&&!hasTurn;});delete server.url;server.urls=isString?urls[0]:urls;return!!urls.length;}});}},{"../utils":15}],9:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=shimGetDisplayMedia;function shimGetDisplayMedia(window){if(!('getDisplayMedia'in window.navigator)){return;}
+if(!window.navigator.mediaDevices){return;}
+if(window.navigator.mediaDevices&&'getDisplayMedia'in window.navigator.mediaDevices){return;}
+window.navigator.mediaDevices.getDisplayMedia=window.navigator.getDisplayMedia.bind(window.navigator.mediaDevices);}},{}],10:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetUserMedia=shimGetUserMedia;function shimGetUserMedia(window){var navigator=window&&window.navigator;var shimError_=function shimError_(e){return{name:{PermissionDeniedError:'NotAllowedError'}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function toString(){return this.name;}};};var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e));});};}},{}],11:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=exports.shimGetUserMedia=undefined;var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};var _getusermedia=require('./getusermedia');Object.defineProperty(exports,'shimGetUserMedia',{enumerable:true,get:function get(){return _getusermedia.shimGetUserMedia;}});var _getdisplaymedia=require('./getdisplaymedia');Object.defineProperty(exports,'shimGetDisplayMedia',{enumerable:true,get:function get(){return _getdisplaymedia.shimGetDisplayMedia;}});exports.shimOnTrack=shimOnTrack;exports.shimPeerConnection=shimPeerConnection;exports.shimSenderGetStats=shimSenderGetStats;exports.shimReceiverGetStats=shimReceiverGetStats;exports.shimRemoveStream=shimRemoveStream;exports.shimRTCDataChannel=shimRTCDataChannel;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function shimOnTrack(window){if((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCTrackEvent&&'receiver'in window.RTCTrackEvent.prototype&&!('transceiver'in window.RTCTrackEvent.prototype)){Object.defineProperty(window.RTCTrackEvent.prototype,'transceiver',{get:function get(){return{receiver:this.receiver};}});}}
+function shimPeerConnection(window){var browserDetails=utils.detectBrowser(window);if((typeof window==='undefined'?'undefined':_typeof(window))!=='object'||!(window.RTCPeerConnection||window.mozRTCPeerConnection)){return;}
+if(!window.RTCPeerConnection&&window.mozRTCPeerConnection){window.RTCPeerConnection=window.mozRTCPeerConnection;}
+['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){arguments[0]=new(method==='addIceCandidate'?window.RTCIceCandidate:window.RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments);};});var nativeAddIceCandidate=window.RTCPeerConnection.prototype.addIceCandidate;window.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null);}
+return Promise.resolve();}
+return nativeAddIceCandidate.apply(this,arguments);};var modernStatsTypes={inboundrtp:'inbound-rtp',outboundrtp:'outbound-rtp',candidatepair:'candidate-pair',localcandidate:'local-candidate',remotecandidate:'remote-candidate'};var nativeGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(selector,onSucc,onErr){return nativeGetStats.apply(this,[selector||null]).then(function(stats){if(browserDetails.version<53&&!onSucc){try{stats.forEach(function(stat){stat.type=modernStatsTypes[stat.type]||stat.type;});}catch(e){if(e.name!=='TypeError'){throw e;}
+stats.forEach(function(stat,i){stats.set(i,Object.assign({},stat,{type:modernStatsTypes[stat.type]||stat.type}));});}}
+return stats;}).then(onSucc,onErr);};}
+function shimSenderGetStats(window){if(!((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&window.RTCRtpSender)){return;}
+if(window.RTCRtpSender&&'getStats'in window.RTCRtpSender.prototype){return;}
+var origGetSenders=window.RTCPeerConnection.prototype.getSenders;if(origGetSenders){window.RTCPeerConnection.prototype.getSenders=function(){var _this=this;var senders=origGetSenders.apply(this,[]);senders.forEach(function(sender){return sender._pc=_this;});return senders;};}
+var origAddTrack=window.RTCPeerConnection.prototype.addTrack;if(origAddTrack){window.RTCPeerConnection.prototype.addTrack=function(){var sender=origAddTrack.apply(this,arguments);sender._pc=this;return sender;};}
+window.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map());};}
+function shimReceiverGetStats(window){if(!((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&window.RTCRtpSender)){return;}
+if(window.RTCRtpSender&&'getStats'in window.RTCRtpReceiver.prototype){return;}
+var origGetReceivers=window.RTCPeerConnection.prototype.getReceivers;if(origGetReceivers){window.RTCPeerConnection.prototype.getReceivers=function(){var _this2=this;var receivers=origGetReceivers.apply(this,[]);receivers.forEach(function(receiver){return receiver._pc=_this2;});return receivers;};}
+utils.wrapPeerConnectionEvent(window,'track',function(e){e.receiver._pc=e.srcElement;return e;});window.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track);};}
+function shimRemoveStream(window){if(!window.RTCPeerConnection||'removeStream'in window.RTCPeerConnection.prototype){return;}
+window.RTCPeerConnection.prototype.removeStream=function(stream){var _this3=this;utils.deprecated('removeStream','removeTrack');this.getSenders().forEach(function(sender){if(sender.track&&stream.getTracks().includes(sender.track)){_this3.removeTrack(sender);}});};}
+function shimRTCDataChannel(window){if(window.DataChannel&&!window.RTCDataChannel){window.RTCDataChannel=window.DataChannel;}}},{"../utils":15,"./getdisplaymedia":12,"./getusermedia":13}],12:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=shimGetDisplayMedia;function shimGetDisplayMedia(window,preferredMediaSource){if(window.navigator.mediaDevices&&'getDisplayMedia'in window.navigator.mediaDevices){return;}
+if(!window.navigator.mediaDevices){return;}
+window.navigator.mediaDevices.getDisplayMedia=function(constraints){if(!(constraints&&constraints.video)){var err=new DOMException('getDisplayMedia without video '+'constraints is undefined');err.name='NotFoundError';err.code=8;return Promise.reject(err);}
+if(constraints.video===true){constraints.video={mediaSource:preferredMediaSource};}else{constraints.video.mediaSource=preferredMediaSource;}
+return window.navigator.mediaDevices.getUserMedia(constraints);};}},{}],13:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};exports.shimGetUserMedia=shimGetUserMedia;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function shimGetUserMedia(window){var browserDetails=utils.detectBrowser(window);var navigator=window&&window.navigator;var MediaStreamTrack=window&&window.MediaStreamTrack;navigator.getUserMedia=function(constraints,onSuccess,onError){utils.deprecated('navigator.getUserMedia','navigator.mediaDevices.getUserMedia');navigator.mediaDevices.getUserMedia(constraints).then(onSuccess,onError);};if(!(browserDetails.version>55&&'autoGainControl'in navigator.mediaDevices.getSupportedConstraints())){var remap=function remap(obj,a,b){if(a in obj&&!(b in obj)){obj[b]=obj[a];delete obj[a];}};var nativeGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){if((typeof c==='undefined'?'undefined':_typeof(c))==='object'&&_typeof(c.audio)==='object'){c=JSON.parse(JSON.stringify(c));remap(c.audio,'autoGainControl','mozAutoGainControl');remap(c.audio,'noiseSuppression','mozNoiseSuppression');}
+return nativeGetUserMedia(c);};if(MediaStreamTrack&&MediaStreamTrack.prototype.getSettings){var nativeGetSettings=MediaStreamTrack.prototype.getSettings;MediaStreamTrack.prototype.getSettings=function(){var obj=nativeGetSettings.apply(this,arguments);remap(obj,'mozAutoGainControl','autoGainControl');remap(obj,'mozNoiseSuppression','noiseSuppression');return obj;};}
+if(MediaStreamTrack&&MediaStreamTrack.prototype.applyConstraints){var nativeApplyConstraints=MediaStreamTrack.prototype.applyConstraints;MediaStreamTrack.prototype.applyConstraints=function(c){if(this.kind==='audio'&&(typeof c==='undefined'?'undefined':_typeof(c))==='object'){c=JSON.parse(JSON.stringify(c));remap(c,'autoGainControl','mozAutoGainControl');remap(c,'noiseSuppression','mozNoiseSuppression');}
+return nativeApplyConstraints.apply(this,[c]);};}}}},{"../utils":15}],14:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};exports.shimLocalStreamsAPI=shimLocalStreamsAPI;exports.shimRemoteStreamsAPI=shimRemoteStreamsAPI;exports.shimCallbacksAPI=shimCallbacksAPI;exports.shimGetUserMedia=shimGetUserMedia;exports.shimConstraints=shimConstraints;exports.shimRTCIceServerUrls=shimRTCIceServerUrls;exports.shimTrackEventTransceiver=shimTrackEventTransceiver;exports.shimCreateOfferLegacy=shimCreateOfferLegacy;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function shimLocalStreamsAPI(window){if((typeof window==='undefined'?'undefined':_typeof(window))!=='object'||!window.RTCPeerConnection){return;}
+if(!('getLocalStreams'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getLocalStreams=function(){if(!this._localStreams){this._localStreams=[];}
+return this._localStreams;};}
+if(!('addStream'in window.RTCPeerConnection.prototype)){var _addTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addStream=function(stream){var _this=this;if(!this._localStreams){this._localStreams=[];}
+if(!this._localStreams.includes(stream)){this._localStreams.push(stream);}
+stream.getTracks().forEach(function(track){return _addTrack.call(_this,track,stream);});};window.RTCPeerConnection.prototype.addTrack=function(track,stream){if(stream){if(!this._localStreams){this._localStreams=[stream];}else if(!this._localStreams.includes(stream)){this._localStreams.push(stream);}}
+return _addTrack.call(this,track,stream);};}
+if(!('removeStream'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.removeStream=function(stream){var _this2=this;if(!this._localStreams){this._localStreams=[];}
+var index=this._localStreams.indexOf(stream);if(index===-1){return;}
+this._localStreams.splice(index,1);var tracks=stream.getTracks();this.getSenders().forEach(function(sender){if(tracks.includes(sender.track)){_this2.removeTrack(sender);}});};}}
+function shimRemoteStreamsAPI(window){if((typeof window==='undefined'?'undefined':_typeof(window))!=='object'||!window.RTCPeerConnection){return;}
+if(!('getRemoteStreams'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[];};}
+if(!('onaddstream'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'onaddstream',{get:function get(){return this._onaddstream;},set:function set(f){var _this3=this;if(this._onaddstream){this.removeEventListener('addstream',this._onaddstream);this.removeEventListener('track',this._onaddstreampoly);}
+this.addEventListener('addstream',this._onaddstream=f);this.addEventListener('track',this._onaddstreampoly=function(e){e.streams.forEach(function(stream){if(!_this3._remoteStreams){_this3._remoteStreams=[];}
+if(_this3._remoteStreams.includes(stream)){return;}
+_this3._remoteStreams.push(stream);var event=new Event('addstream');event.stream=stream;_this3.dispatchEvent(event);});});}});var origSetRemoteDescription=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(){var pc=this;if(!this._onaddstreampoly){this.addEventListener('track',this._onaddstreampoly=function(e){e.streams.forEach(function(stream){if(!pc._remoteStreams){pc._remoteStreams=[];}
+if(pc._remoteStreams.indexOf(stream)>=0){return;}
+pc._remoteStreams.push(stream);var event=new Event('addstream');event.stream=stream;pc.dispatchEvent(event);});});}
+return origSetRemoteDescription.apply(pc,arguments);};}}
+function shimCallbacksAPI(window){if((typeof window==='undefined'?'undefined':_typeof(window))!=='object'||!window.RTCPeerConnection){return;}
+var prototype=window.RTCPeerConnection.prototype;var createOffer=prototype.createOffer;var createAnswer=prototype.createAnswer;var setLocalDescription=prototype.setLocalDescription;var setRemoteDescription=prototype.setRemoteDescription;var addIceCandidate=prototype.addIceCandidate;prototype.createOffer=function(successCallback,failureCallback){var options=arguments.length>=2?arguments[2]:arguments[0];var promise=createOffer.apply(this,[options]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.createAnswer=function(successCallback,failureCallback){var options=arguments.length>=2?arguments[2]:arguments[0];var promise=createAnswer.apply(this,[options]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};var withCallback=function withCallback(description,successCallback,failureCallback){var promise=setLocalDescription.apply(this,[description]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.setLocalDescription=withCallback;withCallback=function withCallback(description,successCallback,failureCallback){var promise=setRemoteDescription.apply(this,[description]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.setRemoteDescription=withCallback;withCallback=function withCallback(candidate,successCallback,failureCallback){var promise=addIceCandidate.apply(this,[candidate]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.addIceCandidate=withCallback;}
+function shimGetUserMedia(window){var navigator=window&&window.navigator;if(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){var mediaDevices=navigator.mediaDevices;var _getUserMedia=mediaDevices.getUserMedia.bind(mediaDevices);navigator.mediaDevices.getUserMedia=function(constraints){return _getUserMedia(shimConstraints(constraints));};}
+if(!navigator.getUserMedia&&navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){navigator.getUserMedia=function(constraints,cb,errcb){navigator.mediaDevices.getUserMedia(constraints).then(cb,errcb);}.bind(navigator);}}
+function shimConstraints(constraints){if(constraints&&constraints.video!==undefined){return Object.assign({},constraints,{video:utils.compactObject(constraints.video)});}
+return constraints;}
+function shimRTCIceServerUrls(window){var OrigPeerConnection=window.RTCPeerConnection;window.RTCPeerConnection=function(pcConfig,pcConstraints){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i=pos&&parseInt(match[pos],10);}
+function wrapPeerConnectionEvent(window,eventNameToWrap,wrapper){if(!window.RTCPeerConnection){return;}
+var proto=window.RTCPeerConnection.prototype;var nativeAddEventListener=proto.addEventListener;proto.addEventListener=function(nativeEventName,cb){if(nativeEventName!==eventNameToWrap){return nativeAddEventListener.apply(this,arguments);}
+var wrappedCallback=function wrappedCallback(e){var modifiedEvent=wrapper(e);if(modifiedEvent){cb(modifiedEvent);}};this._eventMap=this._eventMap||{};this._eventMap[cb]=wrappedCallback;return nativeAddEventListener.apply(this,[nativeEventName,wrappedCallback]);};var nativeRemoveEventListener=proto.removeEventListener;proto.removeEventListener=function(nativeEventName,cb){if(nativeEventName!==eventNameToWrap||!this._eventMap||!this._eventMap[cb]){return nativeRemoveEventListener.apply(this,arguments);}
+var unwrappedCb=this._eventMap[cb];delete this._eventMap[cb];return nativeRemoveEventListener.apply(this,[nativeEventName,unwrappedCb]);};Object.defineProperty(proto,'on'+eventNameToWrap,{get:function get(){return this['_on'+eventNameToWrap];},set:function set(cb){if(this['_on'+eventNameToWrap]){this.removeEventListener(eventNameToWrap,this['_on'+eventNameToWrap]);delete this['_on'+eventNameToWrap];}
+if(cb){this.addEventListener(eventNameToWrap,this['_on'+eventNameToWrap]=cb);}},enumerable:true,configurable:true});}
+function disableLog(bool){if(typeof bool!=='boolean'){return new Error('Argument type: '+(typeof bool==='undefined'?'undefined':_typeof(bool))+'. Please use a boolean.');}
+logDisabled_=bool;return bool?'adapter.js logging disabled':'adapter.js logging enabled';}
+function disableWarnings(bool){if(typeof bool!=='boolean'){return new Error('Argument type: '+(typeof bool==='undefined'?'undefined':_typeof(bool))+'. Please use a boolean.');}
+deprecationWarnings_=!bool;return'adapter.js deprecation warnings '+(bool?'disabled':'enabled');}
+function log(){if((typeof window==='undefined'?'undefined':_typeof(window))==='object'){if(logDisabled_){return;}
+if(typeof console!=='undefined'&&typeof console.log==='function'){console.log.apply(console,arguments);}}}
+function deprecated(oldMethod,newMethod){if(!deprecationWarnings_){return;}
+console.warn(oldMethod+' is deprecated, please use '+newMethod+' instead.');}
+function detectBrowser(window){var navigator=window.navigator;var result={browser:null,version:null};if(typeof window==='undefined'||!window.navigator){result.browser='Not a browser.';return result;}
+if(navigator.mozGetUserMedia){result.browser='firefox';result.version=extractVersion(navigator.userAgent,/Firefox\/(\d+)\./,1);}else if(navigator.webkitGetUserMedia){result.browser='chrome';result.version=extractVersion(navigator.userAgent,/Chrom(e|ium)\/(\d+)\./,2);}else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)){result.browser='edge';result.version=extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2);}else if(window.RTCPeerConnection&&navigator.userAgent.match(/AppleWebKit\/(\d+)\./)){result.browser='safari';result.version=extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1);}else{result.browser='Not a supported browser.';return result;}
+return result;}
+function compactObject(data){if((typeof data==='undefined'?'undefined':_typeof(data))!=='object'){return data;}
+return Object.keys(data).reduce(function(accumulator,key){var isObject=_typeof(data[key])==='object';var value=isObject?compactObject(data[key]):data[key];var isEmptyObject=isObject&&!Object.keys(value).length;if(value===undefined||isEmptyObject){return accumulator;}
+return Object.assign(accumulator,_defineProperty({},key,value));},{});}},{}],16:[function(require,module,exports){'use strict';var SDPUtils=require('sdp');function fixStatsType(stat){return{inboundrtp:'inbound-rtp',outboundrtp:'outbound-rtp',candidatepair:'candidate-pair',localcandidate:'local-candidate',remotecandidate:'remote-candidate'}[stat.type]||stat.type;}
+function writeMediaSection(transceiver,caps,type,stream,dtlsRole){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters());sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),type==='offer'?'actpass':dtlsRole||'active');sdp+='a=mid:'+transceiver.mid+'\r\n';if(transceiver.rtpSender&&transceiver.rtpReceiver){sdp+='a=sendrecv\r\n';}else if(transceiver.rtpSender){sdp+='a=sendonly\r\n';}else if(transceiver.rtpReceiver){sdp+='a=recvonly\r\n';}else{sdp+='a=inactive\r\n';}
+if(transceiver.rtpSender){var trackId=transceiver.rtpSender._initialTrackId||transceiver.rtpSender.track.id;transceiver.rtpSender._initialTrackId=trackId;var msid='msid:'+(stream?stream.id:'-')+' '+
+trackId+'\r\n';sdp+='a='+msid;sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' '+msid;if(transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' '+msid;sdp+='a=ssrc-group:FID '+
+transceiver.sendEncodingParameters[0].ssrc+' '+
+transceiver.sendEncodingParameters[0].rtx.ssrc+'\r\n';}}
+sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' cname:'+SDPUtils.localCName+'\r\n';if(transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' cname:'+SDPUtils.localCName+'\r\n';}
+return sdp;}
+function filterIceServers(iceServers,edgeVersion){var hasTurn=false;iceServers=JSON.parse(JSON.stringify(iceServers));return iceServers.filter(function(server){if(server&&(server.urls||server.url)){var urls=server.urls||server.url;if(server.url&&!server.urls){console.warn('RTCIceServer.url is deprecated! Use urls instead.');}
+var isString=typeof urls==='string';if(isString){urls=[urls];}
+urls=urls.filter(function(url){var validTurn=url.indexOf('turn:')===0&&url.indexOf('transport=udp')!==-1&&url.indexOf('turn:[')===-1&&!hasTurn;if(validTurn){hasTurn=true;return true;}
+return url.indexOf('stun:')===0&&edgeVersion>=14393&&url.indexOf('?transport=udp')===-1;});delete server.url;server.urls=isString?urls[0]:urls;return!!urls.length;}});}
+function getCommonCapabilities(localCapabilities,remoteCapabilities){var commonCapabilities={codecs:[],headerExtensions:[],fecMechanisms:[]};var findCodecByPayloadType=function(pt,codecs){pt=parseInt(pt,10);for(var i=0;i0;i--){this._iceGatherers.push(new window.RTCIceGatherer({iceServers:config.iceServers,gatherPolicy:config.iceTransportPolicy}));}}else{config.iceCandidatePoolSize=0;}
+this._config=config;this.transceivers=[];this._sdpSessionId=SDPUtils.generateSessionId();this._sdpSessionVersion=0;this._dtlsRole=undefined;this._isClosed=false;};Object.defineProperty(RTCPeerConnection.prototype,'localDescription',{configurable:true,get:function(){return this._localDescription;}});Object.defineProperty(RTCPeerConnection.prototype,'remoteDescription',{configurable:true,get:function(){return this._remoteDescription;}});RTCPeerConnection.prototype.onicecandidate=null;RTCPeerConnection.prototype.onaddstream=null;RTCPeerConnection.prototype.ontrack=null;RTCPeerConnection.prototype.onremovestream=null;RTCPeerConnection.prototype.onsignalingstatechange=null;RTCPeerConnection.prototype.oniceconnectionstatechange=null;RTCPeerConnection.prototype.onconnectionstatechange=null;RTCPeerConnection.prototype.onicegatheringstatechange=null;RTCPeerConnection.prototype.onnegotiationneeded=null;RTCPeerConnection.prototype.ondatachannel=null;RTCPeerConnection.prototype._dispatchEvent=function(name,event){if(this._isClosed){return;}
+this.dispatchEvent(event);if(typeof this['on'+name]==='function'){this['on'+name](event);}};RTCPeerConnection.prototype._emitGatheringStateChange=function(){var event=new Event('icegatheringstatechange');this._dispatchEvent('icegatheringstatechange',event);};RTCPeerConnection.prototype.getConfiguration=function(){return this._config;};RTCPeerConnection.prototype.getLocalStreams=function(){return this.localStreams;};RTCPeerConnection.prototype.getRemoteStreams=function(){return this.remoteStreams;};RTCPeerConnection.prototype._createTransceiver=function(kind,doNotAdd){var hasBundleTransport=this.transceivers.length>0;var transceiver={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:kind,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,associatedRemoteMediaStreams:[],wantReceive:true};if(this.usingBundle&&hasBundleTransport){transceiver.iceTransport=this.transceivers[0].iceTransport;transceiver.dtlsTransport=this.transceivers[0].dtlsTransport;}else{var transports=this._createIceAndDtlsTransports();transceiver.iceTransport=transports.iceTransport;transceiver.dtlsTransport=transports.dtlsTransport;}
+if(!doNotAdd){this.transceivers.push(transceiver);}
+return transceiver;};RTCPeerConnection.prototype.addTrack=function(track,stream){if(this._isClosed){throw makeError('InvalidStateError','Attempted to call addTrack on a closed peerconnection.');}
+var alreadyExists=this.transceivers.find(function(s){return s.track===track;});if(alreadyExists){throw makeError('InvalidAccessError','Track already exists.');}
+var transceiver;for(var i=0;i=15025){stream.getTracks().forEach(function(track){pc.addTrack(track,stream);});}else{var clonedStream=stream.clone();stream.getTracks().forEach(function(track,idx){var clonedTrack=clonedStream.getTracks()[idx];track.addEventListener('enabled',function(event){clonedTrack.enabled=event.enabled;});});clonedStream.getTracks().forEach(function(track){pc.addTrack(track,clonedStream);});}};RTCPeerConnection.prototype.removeTrack=function(sender){if(this._isClosed){throw makeError('InvalidStateError','Attempted to call removeTrack on a closed peerconnection.');}
+if(!(sender instanceof window.RTCRtpSender)){throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack '+'does not implement interface RTCRtpSender.');}
+var transceiver=this.transceivers.find(function(t){return t.rtpSender===sender;});if(!transceiver){throw makeError('InvalidAccessError','Sender was not created by this connection.');}
+var stream=transceiver.stream;transceiver.rtpSender.stop();transceiver.rtpSender=null;transceiver.track=null;transceiver.stream=null;var localStreams=this.transceivers.map(function(t){return t.stream;});if(localStreams.indexOf(stream)===-1&&this.localStreams.indexOf(stream)>-1){this.localStreams.splice(this.localStreams.indexOf(stream),1);}
+this._maybeFireNegotiationNeeded();};RTCPeerConnection.prototype.removeStream=function(stream){var pc=this;stream.getTracks().forEach(function(track){var sender=pc.getSenders().find(function(s){return s.track===track;});if(sender){pc.removeTrack(sender);}});};RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpSender;}).map(function(transceiver){return transceiver.rtpSender;});};RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpReceiver;}).map(function(transceiver){return transceiver.rtpReceiver;});};RTCPeerConnection.prototype._createIceGatherer=function(sdpMLineIndex,usingBundle){var pc=this;if(usingBundle&&sdpMLineIndex>0){return this.transceivers[0].iceGatherer;}else if(this._iceGatherers.length){return this._iceGatherers.shift();}
+var iceGatherer=new window.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});Object.defineProperty(iceGatherer,'state',{value:'new',writable:true});this.transceivers[sdpMLineIndex].bufferedCandidateEvents=[];this.transceivers[sdpMLineIndex].bufferCandidates=function(event){var end=!event.candidate||Object.keys(event.candidate).length===0;iceGatherer.state=end?'completed':'gathering';if(pc.transceivers[sdpMLineIndex].bufferedCandidateEvents!==null){pc.transceivers[sdpMLineIndex].bufferedCandidateEvents.push(event);}};iceGatherer.addEventListener('localcandidate',this.transceivers[sdpMLineIndex].bufferCandidates);return iceGatherer;};RTCPeerConnection.prototype._gather=function(mid,sdpMLineIndex){var pc=this;var iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;if(iceGatherer.onlocalcandidate){return;}
+var bufferedCandidateEvents=this.transceivers[sdpMLineIndex].bufferedCandidateEvents;this.transceivers[sdpMLineIndex].bufferedCandidateEvents=null;iceGatherer.removeEventListener('localcandidate',this.transceivers[sdpMLineIndex].bufferCandidates);iceGatherer.onlocalcandidate=function(evt){if(pc.usingBundle&&sdpMLineIndex>0){return;}
+var event=new Event('icecandidate');event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate;var end=!cand||Object.keys(cand).length===0;if(end){if(iceGatherer.state==='new'||iceGatherer.state==='gathering'){iceGatherer.state='completed';}}else{if(iceGatherer.state==='new'){iceGatherer.state='gathering';}
+cand.component=1;cand.ufrag=iceGatherer.getLocalParameters().usernameFragment;var serializedCandidate=SDPUtils.writeCandidate(cand);event.candidate=Object.assign(event.candidate,SDPUtils.parseCandidate(serializedCandidate));event.candidate.candidate=serializedCandidate;event.candidate.toJSON=function(){return{candidate:event.candidate.candidate,sdpMid:event.candidate.sdpMid,sdpMLineIndex:event.candidate.sdpMLineIndex,usernameFragment:event.candidate.usernameFragment};};}
+var sections=SDPUtils.getMediaSections(pc._localDescription.sdp);if(!end){sections[event.candidate.sdpMLineIndex]+='a='+event.candidate.candidate+'\r\n';}else{sections[event.candidate.sdpMLineIndex]+='a=end-of-candidates\r\n';}
+pc._localDescription.sdp=SDPUtils.getDescription(pc._localDescription.sdp)+
+sections.join('');var complete=pc.transceivers.every(function(transceiver){return transceiver.iceGatherer&&transceiver.iceGatherer.state==='completed';});if(pc.iceGatheringState!=='gathering'){pc.iceGatheringState='gathering';pc._emitGatheringStateChange();}
+if(!end){pc._dispatchEvent('icecandidate',event);}
+if(complete){pc._dispatchEvent('icecandidate',new Event('icecandidate'));pc.iceGatheringState='complete';pc._emitGatheringStateChange();}};window.setTimeout(function(){bufferedCandidateEvents.forEach(function(e){iceGatherer.onlocalcandidate(e);});},0);};RTCPeerConnection.prototype._createIceAndDtlsTransports=function(){var pc=this;var iceTransport=new window.RTCIceTransport(null);iceTransport.onicestatechange=function(){pc._updateIceConnectionState();pc._updateConnectionState();};var dtlsTransport=new window.RTCDtlsTransport(iceTransport);dtlsTransport.ondtlsstatechange=function(){pc._updateConnectionState();};dtlsTransport.onerror=function(){Object.defineProperty(dtlsTransport,'state',{value:'failed',writable:true});pc._updateConnectionState();};return{iceTransport:iceTransport,dtlsTransport:dtlsTransport};};RTCPeerConnection.prototype._disposeIceAndDtlsTransports=function(sdpMLineIndex){var iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;if(iceGatherer){delete iceGatherer.onlocalcandidate;delete this.transceivers[sdpMLineIndex].iceGatherer;}
+var iceTransport=this.transceivers[sdpMLineIndex].iceTransport;if(iceTransport){delete iceTransport.onicestatechange;delete this.transceivers[sdpMLineIndex].iceTransport;}
+var dtlsTransport=this.transceivers[sdpMLineIndex].dtlsTransport;if(dtlsTransport){delete dtlsTransport.ondtlsstatechange;delete dtlsTransport.onerror;delete this.transceivers[sdpMLineIndex].dtlsTransport;}};RTCPeerConnection.prototype._transceive=function(transceiver,send,recv){var params=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);if(send&&transceiver.rtpSender){params.encodings=transceiver.sendEncodingParameters;params.rtcp={cname:SDPUtils.localCName,compound:transceiver.rtcpParameters.compound};if(transceiver.recvEncodingParameters.length){params.rtcp.ssrc=transceiver.recvEncodingParameters[0].ssrc;}
+transceiver.rtpSender.send(params);}
+if(recv&&transceiver.rtpReceiver&¶ms.codecs.length>0){if(transceiver.kind==='video'&&transceiver.recvEncodingParameters&&edgeVersion<15019){transceiver.recvEncodingParameters.forEach(function(p){delete p.rtx;});}
+if(transceiver.recvEncodingParameters.length){params.encodings=transceiver.recvEncodingParameters;}else{params.encodings=[{}];}
+params.rtcp={compound:transceiver.rtcpParameters.compound};if(transceiver.rtcpParameters.cname){params.rtcp.cname=transceiver.rtcpParameters.cname;}
+if(transceiver.sendEncodingParameters.length){params.rtcp.ssrc=transceiver.sendEncodingParameters[0].ssrc;}
+transceiver.rtpReceiver.receive(params);}};RTCPeerConnection.prototype.setLocalDescription=function(description){var pc=this;if(['offer','answer'].indexOf(description.type)===-1){return Promise.reject(makeError('TypeError','Unsupported type "'+description.type+'"'));}
+if(!isActionAllowedInSignalingState('setLocalDescription',description.type,pc.signalingState)||pc._isClosed){return Promise.reject(makeError('InvalidStateError','Can not set local '+description.type+' in state '+pc.signalingState));}
+var sections;var sessionpart;if(description.type==='offer'){sections=SDPUtils.splitSections(description.sdp);sessionpart=sections.shift();sections.forEach(function(mediaSection,sdpMLineIndex){var caps=SDPUtils.parseRtpParameters(mediaSection);pc.transceivers[sdpMLineIndex].localCapabilities=caps;});pc.transceivers.forEach(function(transceiver,sdpMLineIndex){pc._gather(transceiver.mid,sdpMLineIndex);});}else if(description.type==='answer'){sections=SDPUtils.splitSections(pc._remoteDescription.sdp);sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,'a=ice-lite').length>0;sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver=pc.transceivers[sdpMLineIndex];var iceGatherer=transceiver.iceGatherer;var iceTransport=transceiver.iceTransport;var dtlsTransport=transceiver.dtlsTransport;var localCapabilities=transceiver.localCapabilities;var remoteCapabilities=transceiver.remoteCapabilities;var rejected=SDPUtils.isRejected(mediaSection)&&SDPUtils.matchPrefix(mediaSection,'a=bundle-only').length===0;if(!rejected&&!transceiver.rejected){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);if(isIceLite){remoteDtlsParameters.role='server';}
+if(!pc.usingBundle||sdpMLineIndex===0){pc._gather(transceiver.mid,sdpMLineIndex);if(iceTransport.state==='new'){iceTransport.start(iceGatherer,remoteIceParameters,isIceLite?'controlling':'controlled');}
+if(dtlsTransport.state==='new'){dtlsTransport.start(remoteDtlsParameters);}}
+var params=getCommonCapabilities(localCapabilities,remoteCapabilities);pc._transceive(transceiver,params.codecs.length>0,false);}});}
+pc._localDescription={type:description.type,sdp:description.sdp};if(description.type==='offer'){pc._updateSignalingState('have-local-offer');}else{pc._updateSignalingState('stable');}
+return Promise.resolve();};RTCPeerConnection.prototype.setRemoteDescription=function(description){var pc=this;if(['offer','answer'].indexOf(description.type)===-1){return Promise.reject(makeError('TypeError','Unsupported type "'+description.type+'"'));}
+if(!isActionAllowedInSignalingState('setRemoteDescription',description.type,pc.signalingState)||pc._isClosed){return Promise.reject(makeError('InvalidStateError','Can not set remote '+description.type+' in state '+pc.signalingState));}
+var streams={};pc.remoteStreams.forEach(function(stream){streams[stream.id]=stream;});var receiverList=[];var sections=SDPUtils.splitSections(description.sdp);var sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,'a=ice-lite').length>0;var usingBundle=SDPUtils.matchPrefix(sessionpart,'a=group:BUNDLE ').length>0;pc.usingBundle=usingBundle;var iceOptions=SDPUtils.matchPrefix(sessionpart,'a=ice-options:')[0];if(iceOptions){pc.canTrickleIceCandidates=iceOptions.substr(14).split(' ').indexOf('trickle')>=0;}else{pc.canTrickleIceCandidates=false;}
+sections.forEach(function(mediaSection,sdpMLineIndex){var lines=SDPUtils.splitLines(mediaSection);var kind=SDPUtils.getKind(mediaSection);var rejected=SDPUtils.isRejected(mediaSection)&&SDPUtils.matchPrefix(mediaSection,'a=bundle-only').length===0;var protocol=lines[0].substr(2).split(' ')[2];var direction=SDPUtils.getDirection(mediaSection,sessionpart);var remoteMsid=SDPUtils.parseMsid(mediaSection);var mid=SDPUtils.getMid(mediaSection)||SDPUtils.generateIdentifier();if(rejected||(kind==='application'&&(protocol==='DTLS/SCTP'||protocol==='UDP/DTLS/SCTP'))){pc.transceivers[sdpMLineIndex]={mid:mid,kind:kind,protocol:protocol,rejected:true};return;}
+if(!rejected&&pc.transceivers[sdpMLineIndex]&&pc.transceivers[sdpMLineIndex].rejected){pc.transceivers[sdpMLineIndex]=pc._createTransceiver(kind,true);}
+var transceiver;var iceGatherer;var iceTransport;var dtlsTransport;var rtpReceiver;var sendEncodingParameters;var recvEncodingParameters;var localCapabilities;var track;var remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);var remoteIceParameters;var remoteDtlsParameters;if(!rejected){remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);remoteDtlsParameters.role='client';}
+recvEncodingParameters=SDPUtils.parseRtpEncodingParameters(mediaSection);var rtcpParameters=SDPUtils.parseRtcpParameters(mediaSection);var isComplete=SDPUtils.matchPrefix(mediaSection,'a=end-of-candidates',sessionpart).length>0;var cands=SDPUtils.matchPrefix(mediaSection,'a=candidate:').map(function(cand){return SDPUtils.parseCandidate(cand);}).filter(function(cand){return cand.component===1;});if((description.type==='offer'||description.type==='answer')&&!rejected&&usingBundle&&sdpMLineIndex>0&&pc.transceivers[sdpMLineIndex]){pc._disposeIceAndDtlsTransports(sdpMLineIndex);pc.transceivers[sdpMLineIndex].iceGatherer=pc.transceivers[0].iceGatherer;pc.transceivers[sdpMLineIndex].iceTransport=pc.transceivers[0].iceTransport;pc.transceivers[sdpMLineIndex].dtlsTransport=pc.transceivers[0].dtlsTransport;if(pc.transceivers[sdpMLineIndex].rtpSender){pc.transceivers[sdpMLineIndex].rtpSender.setTransport(pc.transceivers[0].dtlsTransport);}
+if(pc.transceivers[sdpMLineIndex].rtpReceiver){pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(pc.transceivers[0].dtlsTransport);}}
+if(description.type==='offer'&&!rejected){transceiver=pc.transceivers[sdpMLineIndex]||pc._createTransceiver(kind);transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=pc._createIceGatherer(sdpMLineIndex,usingBundle);}
+if(cands.length&&transceiver.iceTransport.state==='new'){if(isComplete&&(!usingBundle||sdpMLineIndex===0)){transceiver.iceTransport.setRemoteCandidates(cands);}else{cands.forEach(function(candidate){maybeAddCandidate(transceiver.iceTransport,candidate);});}}
+localCapabilities=window.RTCRtpReceiver.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=='rtx';});}
+sendEncodingParameters=transceiver.sendEncodingParameters||[{ssrc:(2*sdpMLineIndex+2)*1001}];var isNewTrack=false;if(direction==='sendrecv'||direction==='sendonly'){isNewTrack=!transceiver.rtpReceiver;rtpReceiver=transceiver.rtpReceiver||new window.RTCRtpReceiver(transceiver.dtlsTransport,kind);if(isNewTrack){var stream;track=rtpReceiver.track;if(remoteMsid&&remoteMsid.stream==='-'){}else if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new window.MediaStream();Object.defineProperty(streams[remoteMsid.stream],'id',{get:function(){return remoteMsid.stream;}});}
+Object.defineProperty(track,'id',{get:function(){return remoteMsid.track;}});stream=streams[remoteMsid.stream];}else{if(!streams.default){streams.default=new window.MediaStream();}
+stream=streams.default;}
+if(stream){addTrackToStreamAndFireEvent(track,stream);transceiver.associatedRemoteMediaStreams.push(stream);}
+receiverList.push([track,rtpReceiver,stream]);}}else if(transceiver.rtpReceiver&&transceiver.rtpReceiver.track){transceiver.associatedRemoteMediaStreams.forEach(function(s){var nativeTrack=s.getTracks().find(function(t){return t.id===transceiver.rtpReceiver.track.id;});if(nativeTrack){removeTrackFromStreamAndFireEvent(nativeTrack,s);}});transceiver.associatedRemoteMediaStreams=[];}
+transceiver.localCapabilities=localCapabilities;transceiver.remoteCapabilities=remoteCapabilities;transceiver.rtpReceiver=rtpReceiver;transceiver.rtcpParameters=rtcpParameters;transceiver.sendEncodingParameters=sendEncodingParameters;transceiver.recvEncodingParameters=recvEncodingParameters;pc._transceive(pc.transceivers[sdpMLineIndex],false,isNewTrack);}else if(description.type==='answer'&&!rejected){transceiver=pc.transceivers[sdpMLineIndex];iceGatherer=transceiver.iceGatherer;iceTransport=transceiver.iceTransport;dtlsTransport=transceiver.dtlsTransport;rtpReceiver=transceiver.rtpReceiver;sendEncodingParameters=transceiver.sendEncodingParameters;localCapabilities=transceiver.localCapabilities;pc.transceivers[sdpMLineIndex].recvEncodingParameters=recvEncodingParameters;pc.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities;pc.transceivers[sdpMLineIndex].rtcpParameters=rtcpParameters;if(cands.length&&iceTransport.state==='new'){if((isIceLite||isComplete)&&(!usingBundle||sdpMLineIndex===0)){iceTransport.setRemoteCandidates(cands);}else{cands.forEach(function(candidate){maybeAddCandidate(transceiver.iceTransport,candidate);});}}
+if(!usingBundle||sdpMLineIndex===0){if(iceTransport.state==='new'){iceTransport.start(iceGatherer,remoteIceParameters,'controlling');}
+if(dtlsTransport.state==='new'){dtlsTransport.start(remoteDtlsParameters);}}
+var commonCapabilities=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);var hasRtx=commonCapabilities.codecs.filter(function(c){return c.name.toLowerCase()==='rtx';}).length;if(!hasRtx&&transceiver.sendEncodingParameters[0].rtx){delete transceiver.sendEncodingParameters[0].rtx;}
+pc._transceive(transceiver,direction==='sendrecv'||direction==='recvonly',direction==='sendrecv'||direction==='sendonly');if(rtpReceiver&&(direction==='sendrecv'||direction==='sendonly')){track=rtpReceiver.track;if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new window.MediaStream();}
+addTrackToStreamAndFireEvent(track,streams[remoteMsid.stream]);receiverList.push([track,rtpReceiver,streams[remoteMsid.stream]]);}else{if(!streams.default){streams.default=new window.MediaStream();}
+addTrackToStreamAndFireEvent(track,streams.default);receiverList.push([track,rtpReceiver,streams.default]);}}else{delete transceiver.rtpReceiver;}}});if(pc._dtlsRole===undefined){pc._dtlsRole=description.type==='offer'?'active':'passive';}
+pc._remoteDescription={type:description.type,sdp:description.sdp};if(description.type==='offer'){pc._updateSignalingState('have-remote-offer');}else{pc._updateSignalingState('stable');}
+Object.keys(streams).forEach(function(sid){var stream=streams[sid];if(stream.getTracks().length){if(pc.remoteStreams.indexOf(stream)===-1){pc.remoteStreams.push(stream);var event=new Event('addstream');event.stream=stream;window.setTimeout(function(){pc._dispatchEvent('addstream',event);});}
+receiverList.forEach(function(item){var track=item[0];var receiver=item[1];if(stream.id!==item[2].id){return;}
+fireAddTrack(pc,track,receiver,[stream]);});}});receiverList.forEach(function(item){if(item[2]){return;}
+fireAddTrack(pc,item[0],item[1],[]);});window.setTimeout(function(){if(!(pc&&pc.transceivers)){return;}
+pc.transceivers.forEach(function(transceiver){if(transceiver.iceTransport&&transceiver.iceTransport.state==='new'&&transceiver.iceTransport.getRemoteCandidates().length>0){console.warn('Timeout for addRemoteCandidate. Consider sending '+'an end-of-candidates notification');transceiver.iceTransport.addRemoteCandidate({});}});},4000);return Promise.resolve();};RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport){transceiver.iceTransport.stop();}
+if(transceiver.dtlsTransport){transceiver.dtlsTransport.stop();}
+if(transceiver.rtpSender){transceiver.rtpSender.stop();}
+if(transceiver.rtpReceiver){transceiver.rtpReceiver.stop();}});this._isClosed=true;this._updateSignalingState('closed');};RTCPeerConnection.prototype._updateSignalingState=function(newState){this.signalingState=newState;var event=new Event('signalingstatechange');this._dispatchEvent('signalingstatechange',event);};RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var pc=this;if(this.signalingState!=='stable'||this.needNegotiation===true){return;}
+this.needNegotiation=true;window.setTimeout(function(){if(pc.needNegotiation){pc.needNegotiation=false;var event=new Event('negotiationneeded');pc._dispatchEvent('negotiationneeded',event);}},0);};RTCPeerConnection.prototype._updateIceConnectionState=function(){var newState;var states={'new':0,closed:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport&&!transceiver.rejected){states[transceiver.iceTransport.state]++;}});newState='new';if(states.failed>0){newState='failed';}else if(states.checking>0){newState='checking';}else if(states.disconnected>0){newState='disconnected';}else if(states.new>0){newState='new';}else if(states.connected>0){newState='connected';}else if(states.completed>0){newState='completed';}
+if(newState!==this.iceConnectionState){this.iceConnectionState=newState;var event=new Event('iceconnectionstatechange');this._dispatchEvent('iceconnectionstatechange',event);}};RTCPeerConnection.prototype._updateConnectionState=function(){var newState;var states={'new':0,closed:0,connecting:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport&&transceiver.dtlsTransport&&!transceiver.rejected){states[transceiver.iceTransport.state]++;states[transceiver.dtlsTransport.state]++;}});states.connected+=states.completed;newState='new';if(states.failed>0){newState='failed';}else if(states.connecting>0){newState='connecting';}else if(states.disconnected>0){newState='disconnected';}else if(states.new>0){newState='new';}else if(states.connected>0){newState='connected';}
+if(newState!==this.connectionState){this.connectionState=newState;var event=new Event('connectionstatechange');this._dispatchEvent('connectionstatechange',event);}};RTCPeerConnection.prototype.createOffer=function(){var pc=this;if(pc._isClosed){return Promise.reject(makeError('InvalidStateError','Can not call createOffer after close'));}
+var numAudioTracks=pc.transceivers.filter(function(t){return t.kind==='audio';}).length;var numVideoTracks=pc.transceivers.filter(function(t){return t.kind==='video';}).length;var offerOptions=arguments[0];if(offerOptions){if(offerOptions.mandatory||offerOptions.optional){throw new TypeError('Legacy mandatory/optional constraints not supported.');}
+if(offerOptions.offerToReceiveAudio!==undefined){if(offerOptions.offerToReceiveAudio===true){numAudioTracks=1;}else if(offerOptions.offerToReceiveAudio===false){numAudioTracks=0;}else{numAudioTracks=offerOptions.offerToReceiveAudio;}}
+if(offerOptions.offerToReceiveVideo!==undefined){if(offerOptions.offerToReceiveVideo===true){numVideoTracks=1;}else if(offerOptions.offerToReceiveVideo===false){numVideoTracks=0;}else{numVideoTracks=offerOptions.offerToReceiveVideo;}}}
+pc.transceivers.forEach(function(transceiver){if(transceiver.kind==='audio'){numAudioTracks--;if(numAudioTracks<0){transceiver.wantReceive=false;}}else if(transceiver.kind==='video'){numVideoTracks--;if(numVideoTracks<0){transceiver.wantReceive=false;}}});while(numAudioTracks>0||numVideoTracks>0){if(numAudioTracks>0){pc._createTransceiver('audio');numAudioTracks--;}
+if(numVideoTracks>0){pc._createTransceiver('video');numVideoTracks--;}}
+var sdp=SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,pc._sdpSessionVersion++);pc.transceivers.forEach(function(transceiver,sdpMLineIndex){var track=transceiver.track;var kind=transceiver.kind;var mid=transceiver.mid||SDPUtils.generateIdentifier();transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=pc._createIceGatherer(sdpMLineIndex,pc.usingBundle);}
+var localCapabilities=window.RTCRtpSender.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=='rtx';});}
+localCapabilities.codecs.forEach(function(codec){if(codec.name==='H264'&&codec.parameters['level-asymmetry-allowed']===undefined){codec.parameters['level-asymmetry-allowed']='1';}
+if(transceiver.remoteCapabilities&&transceiver.remoteCapabilities.codecs){transceiver.remoteCapabilities.codecs.forEach(function(remoteCodec){if(codec.name.toLowerCase()===remoteCodec.name.toLowerCase()&&codec.clockRate===remoteCodec.clockRate){codec.preferredPayloadType=remoteCodec.payloadType;}});}});localCapabilities.headerExtensions.forEach(function(hdrExt){var remoteExtensions=transceiver.remoteCapabilities&&transceiver.remoteCapabilities.headerExtensions||[];remoteExtensions.forEach(function(rHdrExt){if(hdrExt.uri===rHdrExt.uri){hdrExt.id=rHdrExt.id;}});});var sendEncodingParameters=transceiver.sendEncodingParameters||[{ssrc:(2*sdpMLineIndex+1)*1001}];if(track){if(edgeVersion>=15019&&kind==='video'&&!sendEncodingParameters[0].rtx){sendEncodingParameters[0].rtx={ssrc:sendEncodingParameters[0].ssrc+1};}}
+if(transceiver.wantReceive){transceiver.rtpReceiver=new window.RTCRtpReceiver(transceiver.dtlsTransport,kind);}
+transceiver.localCapabilities=localCapabilities;transceiver.sendEncodingParameters=sendEncodingParameters;});if(pc._config.bundlePolicy!=='max-compat'){sdp+='a=group:BUNDLE '+pc.transceivers.map(function(t){return t.mid;}).join(' ')+'\r\n';}
+sdp+='a=ice-options:trickle\r\n';pc.transceivers.forEach(function(transceiver,sdpMLineIndex){sdp+=writeMediaSection(transceiver,transceiver.localCapabilities,'offer',transceiver.stream,pc._dtlsRole);sdp+='a=rtcp-rsize\r\n';if(transceiver.iceGatherer&&pc.iceGatheringState!=='new'&&(sdpMLineIndex===0||!pc.usingBundle)){transceiver.iceGatherer.getLocalCandidates().forEach(function(cand){cand.component=1;sdp+='a='+SDPUtils.writeCandidate(cand)+'\r\n';});if(transceiver.iceGatherer.state==='completed'){sdp+='a=end-of-candidates\r\n';}}});var desc=new window.RTCSessionDescription({type:'offer',sdp:sdp});return Promise.resolve(desc);};RTCPeerConnection.prototype.createAnswer=function(){var pc=this;if(pc._isClosed){return Promise.reject(makeError('InvalidStateError','Can not call createAnswer after close'));}
+if(!(pc.signalingState==='have-remote-offer'||pc.signalingState==='have-local-pranswer')){return Promise.reject(makeError('InvalidStateError','Can not call createAnswer in signalingState '+pc.signalingState));}
+var sdp=SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,pc._sdpSessionVersion++);if(pc.usingBundle){sdp+='a=group:BUNDLE '+pc.transceivers.map(function(t){return t.mid;}).join(' ')+'\r\n';}
+sdp+='a=ice-options:trickle\r\n';var mediaSectionsInOffer=SDPUtils.getMediaSections(pc._remoteDescription.sdp).length;pc.transceivers.forEach(function(transceiver,sdpMLineIndex){if(sdpMLineIndex+1>mediaSectionsInOffer){return;}
+if(transceiver.rejected){if(transceiver.kind==='application'){if(transceiver.protocol==='DTLS/SCTP'){sdp+='m=application 0 DTLS/SCTP 5000\r\n';}else{sdp+='m=application 0 '+transceiver.protocol+' webrtc-datachannel\r\n';}}else if(transceiver.kind==='audio'){sdp+='m=audio 0 UDP/TLS/RTP/SAVPF 0\r\n'+'a=rtpmap:0 PCMU/8000\r\n';}else if(transceiver.kind==='video'){sdp+='m=video 0 UDP/TLS/RTP/SAVPF 120\r\n'+'a=rtpmap:120 VP8/90000\r\n';}
+sdp+='c=IN IP4 0.0.0.0\r\n'+'a=inactive\r\n'+'a=mid:'+transceiver.mid+'\r\n';return;}
+if(transceiver.stream){var localTrack;if(transceiver.kind==='audio'){localTrack=transceiver.stream.getAudioTracks()[0];}else if(transceiver.kind==='video'){localTrack=transceiver.stream.getVideoTracks()[0];}
+if(localTrack){if(edgeVersion>=15019&&transceiver.kind==='video'&&!transceiver.sendEncodingParameters[0].rtx){transceiver.sendEncodingParameters[0].rtx={ssrc:transceiver.sendEncodingParameters[0].ssrc+1};}}}
+var commonCapabilities=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);var hasRtx=commonCapabilities.codecs.filter(function(c){return c.name.toLowerCase()==='rtx';}).length;if(!hasRtx&&transceiver.sendEncodingParameters[0].rtx){delete transceiver.sendEncodingParameters[0].rtx;}
+sdp+=writeMediaSection(transceiver,commonCapabilities,'answer',transceiver.stream,pc._dtlsRole);if(transceiver.rtcpParameters&&transceiver.rtcpParameters.reducedSize){sdp+='a=rtcp-rsize\r\n';}});var desc=new window.RTCSessionDescription({type:'answer',sdp:sdp});return Promise.resolve(desc);};RTCPeerConnection.prototype.addIceCandidate=function(candidate){var pc=this;var sections;if(candidate&&!(candidate.sdpMLineIndex!==undefined||candidate.sdpMid)){return Promise.reject(new TypeError('sdpMLineIndex or sdpMid required'));}
+return new Promise(function(resolve,reject){if(!pc._remoteDescription){return reject(makeError('InvalidStateError','Can not add ICE candidate without a remote description'));}else if(!candidate||candidate.candidate===''){for(var j=0;j0?SDPUtils.parseCandidate(candidate.candidate):{};if(cand.protocol==='tcp'&&(cand.port===0||cand.port===9)){return resolve();}
+if(cand.component&&cand.component!==1){return resolve();}
+if(sdpMLineIndex===0||(sdpMLineIndex>0&&transceiver.iceTransport!==pc.transceivers[0].iceTransport)){if(!maybeAddCandidate(transceiver.iceTransport,cand)){return reject(makeError('OperationError','Can not add ICE candidate'));}}
+var candidateString=candidate.candidate.trim();if(candidateString.indexOf('a=')===0){candidateString=candidateString.substr(2);}
+sections=SDPUtils.getMediaSections(pc._remoteDescription.sdp);sections[sdpMLineIndex]+='a='+
+(cand.type?candidateString:'end-of-candidates')
++'\r\n';pc._remoteDescription.sdp=SDPUtils.getDescription(pc._remoteDescription.sdp)+
+sections.join('');}else{return reject(makeError('OperationError','Can not add ICE candidate'));}}
+resolve();});};RTCPeerConnection.prototype.getStats=function(selector){if(selector&&selector instanceof window.MediaStreamTrack){var senderOrReceiver=null;this.transceivers.forEach(function(transceiver){if(transceiver.rtpSender&&transceiver.rtpSender.track===selector){senderOrReceiver=transceiver.rtpSender;}else if(transceiver.rtpReceiver&&transceiver.rtpReceiver.track===selector){senderOrReceiver=transceiver.rtpReceiver;}});if(!senderOrReceiver){throw makeError('InvalidAccessError','Invalid selector.');}
+return senderOrReceiver.getStats();}
+var promises=[];this.transceivers.forEach(function(transceiver){['rtpSender','rtpReceiver','iceGatherer','iceTransport','dtlsTransport'].forEach(function(method){if(transceiver[method]){promises.push(transceiver[method].getStats());}});});return Promise.all(promises).then(function(allStats){var results=new Map();allStats.forEach(function(stats){stats.forEach(function(stat){results.set(stat.id,stat);});});return results;});};var ortcObjects=['RTCRtpSender','RTCRtpReceiver','RTCIceGatherer','RTCIceTransport','RTCDtlsTransport'];ortcObjects.forEach(function(ortcObjectName){var obj=window[ortcObjectName];if(obj&&obj.prototype&&obj.prototype.getStats){var nativeGetstats=obj.prototype.getStats;obj.prototype.getStats=function(){return nativeGetstats.apply(this).then(function(nativeStats){var mapStats=new Map();Object.keys(nativeStats).forEach(function(id){nativeStats[id].type=fixStatsType(nativeStats[id]);mapStats.set(id,nativeStats[id]);});return mapStats;});};}});var methods=['createOffer','createAnswer'];methods.forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[0]==='function'||typeof args[1]==='function'){return nativeMethod.apply(this,[arguments[2]]).then(function(description){if(typeof args[0]==='function'){args[0].apply(null,[description]);}},function(error){if(typeof args[1]==='function'){args[1].apply(null,[error]);}});}
+return nativeMethod.apply(this,arguments);};});methods=['setLocalDescription','setRemoteDescription','addIceCandidate'];methods.forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[1]==='function'||typeof args[2]==='function'){return nativeMethod.apply(this,arguments).then(function(){if(typeof args[1]==='function'){args[1].apply(null);}},function(error){if(typeof args[2]==='function'){args[2].apply(null,[error]);}});}
+return nativeMethod.apply(this,arguments);};});['getStats'].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[1]==='function'){return nativeMethod.apply(this,arguments).then(function(){if(typeof args[1]==='function'){args[1].apply(null);}});}
+return nativeMethod.apply(this,arguments);};});return RTCPeerConnection;};},{"sdp":17}],17:[function(require,module,exports){'use strict';var SDPUtils={};SDPUtils.generateIdentifier=function(){return Math.random().toString(36).substr(2,10);};SDPUtils.localCName=SDPUtils.generateIdentifier();SDPUtils.splitLines=function(blob){return blob.trim().split('\n').map(function(line){return line.trim();});};SDPUtils.splitSections=function(blob){var parts=blob.split('\nm=');return parts.map(function(part,index){return(index>0?'m='+part:part).trim()+'\r\n';});};SDPUtils.getDescription=function(blob){var sections=SDPUtils.splitSections(blob);return sections&§ions[0];};SDPUtils.getMediaSections=function(blob){var sections=SDPUtils.splitSections(blob);sections.shift();return sections;};SDPUtils.matchPrefix=function(blob,prefix){return SDPUtils.splitLines(blob).filter(function(line){return line.indexOf(prefix)===0;});};SDPUtils.parseCandidate=function(line){var parts;if(line.indexOf('a=candidate:')===0){parts=line.substring(12).split(' ');}else{parts=line.substring(10).split(' ');}
+var candidate={foundation:parts[0],component:parseInt(parts[1],10),protocol:parts[2].toLowerCase(),priority:parseInt(parts[3],10),ip:parts[4],address:parts[4],port:parseInt(parts[5],10),type:parts[7]};for(var i=8;i0?parts[0].split('/')[1]:'sendrecv',uri:parts[1]};};SDPUtils.writeExtmap=function(headerExtension){return'a=extmap:'+(headerExtension.id||headerExtension.preferredId)+
+(headerExtension.direction&&headerExtension.direction!=='sendrecv'?'/'+headerExtension.direction:'')+' '+headerExtension.uri+'\r\n';};SDPUtils.parseFmtp=function(line){var parsed={};var kv;var parts=line.substr(line.indexOf(' ')+1).split(';');for(var j=0;j-1){parts.attribute=line.substr(sp+1,colon-sp-1);parts.value=line.substr(colon+1);}else{parts.attribute=line.substr(sp+1);}
+return parts;};SDPUtils.parseSsrcGroup=function(line){var parts=line.substr(13).split(' ');return{semantics:parts.shift(),ssrcs:parts.map(function(ssrc){return parseInt(ssrc,10);})};};SDPUtils.getMid=function(mediaSection){var mid=SDPUtils.matchPrefix(mediaSection,'a=mid:')[0];if(mid){return mid.substr(6);}};SDPUtils.parseFingerprint=function(line){var parts=line.substr(14).split(' ');return{algorithm:parts[0].toLowerCase(),value:parts[1]};};SDPUtils.getDtlsParameters=function(mediaSection,sessionpart){var lines=SDPUtils.matchPrefix(mediaSection+sessionpart,'a=fingerprint:');return{role:'auto',fingerprints:lines.map(SDPUtils.parseFingerprint)};};SDPUtils.writeDtlsParameters=function(params,setupType){var sdp='a=setup:'+setupType+'\r\n';params.fingerprints.forEach(function(fp){sdp+='a=fingerprint:'+fp.algorithm+' '+fp.value+'\r\n';});return sdp;};SDPUtils.getIceParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);lines=lines.concat(SDPUtils.splitLines(sessionpart));var iceParameters={usernameFragment:lines.filter(function(line){return line.indexOf('a=ice-ufrag:')===0;})[0].substr(12),password:lines.filter(function(line){return line.indexOf('a=ice-pwd:')===0;})[0].substr(10)};return iceParameters;};SDPUtils.writeIceParameters=function(params){return'a=ice-ufrag:'+params.usernameFragment+'\r\n'+'a=ice-pwd:'+params.password+'\r\n';};SDPUtils.parseRtpParameters=function(mediaSection){var description={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]};var lines=SDPUtils.splitLines(mediaSection);var mline=lines[0].split(' ');for(var i=3;i0?'9':'0';sdp+=' UDP/TLS/RTP/SAVPF ';sdp+=caps.codecs.map(function(codec){if(codec.preferredPayloadType!==undefined){return codec.preferredPayloadType;}
+return codec.payloadType;}).join(' ')+'\r\n';sdp+='c=IN IP4 0.0.0.0\r\n';sdp+='a=rtcp:9 IN IP4 0.0.0.0\r\n';caps.codecs.forEach(function(codec){sdp+=SDPUtils.writeRtpMap(codec);sdp+=SDPUtils.writeFmtp(codec);sdp+=SDPUtils.writeRtcpFb(codec);});var maxptime=0;caps.codecs.forEach(function(codec){if(codec.maxptime>maxptime){maxptime=codec.maxptime;}});if(maxptime>0){sdp+='a=maxptime:'+maxptime+'\r\n';}
+sdp+='a=rtcp-mux\r\n';if(caps.headerExtensions){caps.headerExtensions.forEach(function(extension){sdp+=SDPUtils.writeExtmap(extension);});}
+return sdp;};SDPUtils.parseRtpEncodingParameters=function(mediaSection){var encodingParameters=[];var description=SDPUtils.parseRtpParameters(mediaSection);var hasRed=description.fecMechanisms.indexOf('RED')!==-1;var hasUlpfec=description.fecMechanisms.indexOf('ULPFEC')!==-1;var ssrcs=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(parts){return parts.attribute==='cname';});var primarySsrc=ssrcs.length>0&&ssrcs[0].ssrc;var secondarySsrc;var flows=SDPUtils.matchPrefix(mediaSection,'a=ssrc-group:FID').map(function(line){var parts=line.substr(17).split(' ');return parts.map(function(part){return parseInt(part,10);});});if(flows.length>0&&flows[0].length>1&&flows[0][0]===primarySsrc){secondarySsrc=flows[0][1];}
+description.codecs.forEach(function(codec){if(codec.name.toUpperCase()==='RTX'&&codec.parameters.apt){var encParam={ssrc:primarySsrc,codecPayloadType:parseInt(codec.parameters.apt,10)};if(primarySsrc&&secondarySsrc){encParam.rtx={ssrc:secondarySsrc};}
+encodingParameters.push(encParam);if(hasRed){encParam=JSON.parse(JSON.stringify(encParam));encParam.fec={ssrc:primarySsrc,mechanism:hasUlpfec?'red+ulpfec':'red'};encodingParameters.push(encParam);}}});if(encodingParameters.length===0&&primarySsrc){encodingParameters.push({ssrc:primarySsrc});}
+var bandwidth=SDPUtils.matchPrefix(mediaSection,'b=');if(bandwidth.length){if(bandwidth[0].indexOf('b=TIAS:')===0){bandwidth=parseInt(bandwidth[0].substr(7),10);}else if(bandwidth[0].indexOf('b=AS:')===0){bandwidth=parseInt(bandwidth[0].substr(5),10)*1000*0.95
+-(50*40*8);}else{bandwidth=undefined;}
+encodingParameters.forEach(function(params){params.maxBitrate=bandwidth;});}
+return encodingParameters;};SDPUtils.parseRtcpParameters=function(mediaSection){var rtcpParameters={};var remoteSsrc=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(obj){return obj.attribute==='cname';})[0];if(remoteSsrc){rtcpParameters.cname=remoteSsrc.value;rtcpParameters.ssrc=remoteSsrc.ssrc;}
+var rsize=SDPUtils.matchPrefix(mediaSection,'a=rtcp-rsize');rtcpParameters.reducedSize=rsize.length>0;rtcpParameters.compound=rsize.length===0;var mux=SDPUtils.matchPrefix(mediaSection,'a=rtcp-mux');rtcpParameters.mux=mux.length>0;return rtcpParameters;};SDPUtils.parseMsid=function(mediaSection){var parts;var spec=SDPUtils.matchPrefix(mediaSection,'a=msid:');if(spec.length===1){parts=spec[0].substr(7).split(' ');return{stream:parts[0],track:parts[1]};}
+var planB=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(msidParts){return msidParts.attribute==='msid';});if(planB.length>0){parts=planB[0].value.split(' ');return{stream:parts[0],track:parts[1]};}};SDPUtils.generateSessionId=function(){return Math.random().toString().substr(2,21);};SDPUtils.writeSessionBoilerplate=function(sessId,sessVer,sessUser){var sessionId;var version=sessVer!==undefined?sessVer:2;if(sessId){sessionId=sessId;}else{sessionId=SDPUtils.generateSessionId();}
+var user=sessUser||'thisisadapterortc';return'v=0\r\n'+'o='+user+' '+sessionId+' '+version+' IN IP4 127.0.0.1\r\n'+'s=-\r\n'+'t=0 0\r\n';};SDPUtils.writeMediaSection=function(transceiver,caps,type,stream){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters());sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),type==='offer'?'actpass':'active');sdp+='a=mid:'+transceiver.mid+'\r\n';if(transceiver.direction){sdp+='a='+transceiver.direction+'\r\n';}else if(transceiver.rtpSender&&transceiver.rtpReceiver){sdp+='a=sendrecv\r\n';}else if(transceiver.rtpSender){sdp+='a=sendonly\r\n';}else if(transceiver.rtpReceiver){sdp+='a=recvonly\r\n';}else{sdp+='a=inactive\r\n';}
+if(transceiver.rtpSender){var msid='msid:'+stream.id+' '+
+transceiver.rtpSender.track.id+'\r\n';sdp+='a='+msid;sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' '+msid;if(transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' '+msid;sdp+='a=ssrc-group:FID '+
+transceiver.sendEncodingParameters[0].ssrc+' '+
+transceiver.sendEncodingParameters[0].rtx.ssrc+'\r\n';}}
+sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' cname:'+SDPUtils.localCName+'\r\n';if(transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' cname:'+SDPUtils.localCName+'\r\n';}
+return sdp;};SDPUtils.getDirection=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);for(var i=0;i
- *
- * Version: MPL 1.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
- *
- * The Initial Developer of the Original Code is
- * Anthony Minessale II
- * Portions created by the Initial Developer are Copyright (C)
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Anthony Minessale II
- *
- * jquery.FSRTC.js - WebRTC Glue code
- *
- */
-(function($) {
-
- // Find the line in sdpLines that starts with |prefix|, and, if specified,
- // contains |substr| (case-insensitive search).
- function findLine(sdpLines, prefix, substr) {
- return findLineInRange(sdpLines, 0, -1, prefix, substr);
- }
-
- // Find the line in sdpLines[startLine...endLine - 1] that starts with |prefix|
- // and, if specified, contains |substr| (case-insensitive search).
- function findLineInRange(sdpLines, startLine, endLine, prefix, substr) {
- var realEndLine = (endLine != -1) ? endLine : sdpLines.length;
- for (var i = startLine; i < realEndLine; ++i) {
- if (sdpLines[i].indexOf(prefix) === 0) {
- if (!substr || sdpLines[i].toLowerCase().indexOf(substr.toLowerCase()) !== -1) {
- return i;
- }
- }
- }
- return null;
- }
-
- // Gets the codec payload type from an a=rtpmap:X line.
- function getCodecPayloadType(sdpLine) {
- var pattern = new RegExp('a=rtpmap:(\\d+) \\w+\\/\\d+');
- var result = sdpLine.match(pattern);
- return (result && result.length == 2) ? result[1] : null;
- }
-
- // Returns a new m= line with the specified codec as the first one.
- function setDefaultCodec(mLine, payload) {
- var elements = mLine.split(' ');
- var newLine = [];
- var index = 0;
- for (var i = 0; i < elements.length; i++) {
- if (index === 3) { // Format of media starts from the fourth.
- newLine[index++] = payload; // Put target payload to the first.
- }
- if (elements[i] !== payload) newLine[index++] = elements[i];
- }
- return newLine.join(' ');
- }
-
- $.FSRTC = function(options) {
- this.options = $.extend({
- useVideo: null,
- useStereo: false,
- userData: null,
- localVideo: null,
- screenShare: false,
- useCamera: "any",
- iceServers: false,
- videoParams: {},
- audioParams: {},
- callbacks: {
- onICEComplete: function() {},
- onICE: function() {},
- onOfferSDP: function() {}
- },
- useStream: null,
- }, options);
-
- this.audioEnabled = true;
- this.videoEnabled = true;
-
-
- this.mediaData = {
- SDP: null,
- profile: {},
- candidateList: []
- };
-
- this.constraints = {
- offerToReceiveAudio: this.options.useSpeak === "none" ? false : true,
- offerToReceiveVideo: this.options.useVideo ? true : false,
- };
-
- if (self.options.useVideo) {
- self.options.useVideo.style.display = 'none';
- }
-
- setCompat();
- checkCompat();
- };
-
- $.FSRTC.validRes = [];
-
- $.FSRTC.prototype.useVideo = function(obj, local) {
- var self = this;
-
- if (obj) {
- self.options.useVideo = obj;
- self.options.localVideo = local;
- self.constraints.offerToReceiveVideo = true;
- } else {
- self.options.useVideo = null;
- self.options.localVideo = null;
- self.constraints.offerToReceiveVideo = false;
- }
-
- if (self.options.useVideo) {
- self.options.useVideo.style.display = 'none';
- }
- };
-
- $.FSRTC.prototype.useStereo = function(on) {
- var self = this;
- self.options.useStereo = on;
- };
-
- // Sets Opus in stereo if stereo is enabled, by adding the stereo=1 fmtp param.
- $.FSRTC.prototype.stereoHack = function(sdp) {
- var self = this;
-
- if (!self.options.useStereo) {
- return sdp;
- }
-
- var sdpLines = sdp.split('\r\n');
-
- // Find opus payload.
- var opusIndex = findLine(sdpLines, 'a=rtpmap', 'opus/48000'), opusPayload;
-
- if (!opusIndex) {
- return sdp;
- } else {
- opusPayload = getCodecPayloadType(sdpLines[opusIndex]);
- }
-
- // Find the payload in fmtp line.
- var fmtpLineIndex = findLine(sdpLines, 'a=fmtp:' + opusPayload.toString());
-
- if (fmtpLineIndex === null) {
- // create an fmtp line
- sdpLines[opusIndex] = sdpLines[opusIndex] + '\r\na=fmtp:' + opusPayload.toString() + " stereo=1; sprop-stereo=1"
- } else {
- // Append stereo=1 to fmtp line.
- sdpLines[fmtpLineIndex] = sdpLines[fmtpLineIndex].concat('; stereo=1; sprop-stereo=1');
- }
-
- sdp = sdpLines.join('\r\n');
- return sdp;
- };
-
- function setCompat() {
- }
-
- function checkCompat() {
- return true;
- }
-
- function onStreamError(self, e) {
- console.log('There has been a problem retrieving the streams - did you allow access? Check Device Resolution', e);
- doCallback(self, "onError", e);
- }
-
- function onStreamSuccess(self, stream) {
- console.log("Stream Success");
- doCallback(self, "onStream", stream);
- }
-
- function onRemoteStreamSuccess(self, stream) {
- console.log("Remote Stream Success");
- doCallback(self, "onRemoteStream", stream);
- }
-
- function onICE(self, candidate) {
- self.mediaData.candidate = candidate;
- self.mediaData.candidateList.push(self.mediaData.candidate);
-
- doCallback(self, "onICE");
- }
-
- function doCallback(self, func, arg) {
- if (func in self.options.callbacks) {
- self.options.callbacks[func](self, arg);
- }
- }
-
- function onICEComplete(self, candidate) {
- console.log("ICE Complete");
- doCallback(self, "onICEComplete");
- }
-
- function onChannelError(self, e) {
- console.error("Channel Error", e);
- doCallback(self, "onError", e);
- }
-
- function onICESDP(self, sdp) {
- self.mediaData.SDP = self.stereoHack(sdp.sdp);
- console.log("ICE SDP");
- doCallback(self, "onICESDP");
- }
-
- function onAnswerSDP(self, sdp) {
- self.answer.SDP = self.stereoHack(sdp.sdp);
- console.log("ICE ANSWER SDP");
- doCallback(self, "onAnswerSDP", self.answer.SDP);
- }
-
- function onMessage(self, msg) {
- console.log("Message");
- doCallback(self, "onICESDP", msg);
- }
-
- FSRTCattachMediaStream = function(element, stream) {
- if (typeof element.srcObject !== 'undefined') {
- element.srcObject = stream;
- } else {
- console.error('Error attaching stream to element.');
- }
- }
-
- function onRemoteStream(self, stream) {
- if (self.options.useVideo) {
- self.options.useVideo.style.display = 'block';
-
- // Hacks for Mobile Safari
- var iOS = ['iPad', 'iPhone', 'iPod'].indexOf(navigator.platform) >= 0;
-
- if (iOS) {
- self.options.useVideo.setAttribute("playsinline", true);
- }
- }
-
- var element = self.options.useAudio;
- console.log("REMOTE STREAM", stream, element);
-
- FSRTCattachMediaStream(element, stream);
-
-
-
- //self.options.useAudio.play();
- self.remoteStream = stream;
- onRemoteStreamSuccess(self, stream);
- }
-
- function onOfferSDP(self, sdp) {
- self.mediaData.SDP = self.stereoHack(sdp.sdp);
- console.log("Offer SDP");
- doCallback(self, "onOfferSDP");
- }
-
- $.FSRTC.prototype.answer = function(sdp, onSuccess, onError) {
- this.peer.addAnswerSDP({
- type: "answer",
- sdp: sdp
- },
- onSuccess, onError);
- };
-
- $.FSRTC.prototype.stopPeer = function() {
- if (self.peer) {
- console.log("stopping peer");
- self.peer.stop();
- }
- }
-
- $.FSRTC.prototype.stop = function() {
- var self = this;
-
- if (self.options.useVideo) {
- self.options.useVideo.style.display = 'none';
- self.options.useVideo['src'] = '';
- }
-
- if (self.localStream && !self.options.useStream) {
- if(typeof self.localStream.stop == 'function') {
- self.localStream.stop();
- } else {
- if (self.localStream.active){
- var tracks = self.localStream.getTracks();
- console.log(tracks);
- tracks.forEach(function(track, index){
- console.log(track);
- track.stop();
- })
- }
- }
- self.localStream = null;
- }
-
- if (self.options.localVideo) {
- deactivateLocalVideo(self.options.localVideo);
- }
-
- if (self.options.localVideoStream && !self.options.useStream) {
- if(typeof self.options.localVideoStream.stop == 'function') {
- self.options.localVideoStream.stop();
- } else {
- if (self.options.localVideoStream.active){
- var tracks = self.options.localVideoStream.getTracks();
- console.log(tracks);
- tracks.forEach(function(track, index){
- console.log(track);
- track.stop();
- })
- }
- }
- }
-
- if (self.peer) {
- console.log("stopping peer");
- self.peer.stop();
- }
- };
-
- $.FSRTC.prototype.getMute = function() {
- var self = this;
- return self.audioEnabled;
- }
-
- $.FSRTC.prototype.setMute = function(what) {
- var self = this;
- if (!self.localStream) {
- return false;
- }
- var audioTracks = self.localStream.getAudioTracks();
-
- for (var i = 0, len = audioTracks.length; i < len; i++ ) {
- switch(what) {
- case "on":
- audioTracks[i].enabled = true;
- break;
- case "off":
- audioTracks[i].enabled = false;
- break;
- case "toggle":
- audioTracks[i].enabled = !audioTracks[i].enabled;
- default:
- break;
- }
-
- self.audioEnabled = audioTracks[i].enabled;
- }
-
- return !self.audioEnabled;
- }
-
- $.FSRTC.prototype.getVideoMute = function() {
- var self = this;
- return self.videoEnabled;
- }
-
- $.FSRTC.prototype.setVideoMute = function(what) {
- var self = this;
- if (!self.localStream) {
- return false;
- }
- var videoTracks = self.localStream.getVideoTracks();
-
- for (var i = 0, len = videoTracks.length; i < len; i++ ) {
- switch(what) {
- case "on":
- videoTracks[i].enabled = true;
- break;
- case "off":
- videoTracks[i].enabled = false;
- break;
- case "toggle":
- videoTracks[i].enabled = !videoTracks[i].enabled;
- default:
- break;
- }
-
- self.videoEnabled = videoTracks[i].enabled;
- }
-
- return !self.videoEnabled;
- }
-
- $.FSRTC.prototype.createAnswer = function(params) {
- var self = this;
- self.type = "answer";
- self.remoteSDP = params.sdp;
- console.debug("inbound sdp: ", params.sdp);
-
- function onSuccess(stream) {
- self.localStream = stream;
-
- self.peer = FSRTCPeerConnection({
- type: self.type,
- attachStream: self.localStream,
- onICE: function(candidate) {
- return onICE(self, candidate);
- },
- onICEComplete: function() {
- return onICEComplete(self);
- },
- onRemoteStream: function(stream) {
- return onRemoteStream(self, stream);
- },
- onICESDP: function(sdp) {
- return onICESDP(self, sdp);
- },
- onChannelError: function(e) {
- return onChannelError(self, e);
- },
- constraints: self.constraints,
- iceServers: self.options.iceServers,
- offerSDP: {
- type: "offer",
- sdp: self.remoteSDP
- },
- turnServer: self.options.turnServer
- });
-
- onStreamSuccess(self, stream);
- }
-
- function onError(e) {
- onStreamError(self, e);
- }
-
- var mediaParams = getMediaParams(self);
-
- console.log("Audio constraints", mediaParams.audio);
- console.log("Video constraints", mediaParams.video);
-
- if (self.options.useVideo && self.options.localVideo && !self.options.useStream) {
- getUserMedia({
- constraints: {
- audio: false,
- video: { deviceId: params.useCamera },
- },
- localVideo: self.options.localVideo,
- onsuccess: function(e) {self.options.localVideoStream = e; console.log("local video ready");},
- onerror: function(e) {console.error("local video error!");}
- });
- }
-
- if (self.options.useStream) {
- if (self.options.useVideo) {
- self.options.localVideoStream = self.options.useStream;
- if (self.options.localVideo) {
- activateLocalVideo(self.options.localVideo, self.options.useStream);
- }
- }
- onSuccess(self.options.useStream);
- }
- else {
- getUserMedia({
- constraints: {
- audio: mediaParams.audio,
- video: mediaParams.video
- },
- video: mediaParams.useVideo,
- onsuccess: onSuccess,
- onerror: onError
- });
- }
-
- };
-
- function getMediaParams(obj) {
-
- var audio;
-
- if (obj.options.useMic && obj.options.useMic === "none") {
- console.log("Microphone Disabled");
- audio = false;
- } else if (obj.options.videoParams && obj.options.screenShare) {//obj.options.videoParams.chromeMediaSource == 'desktop') {
- console.error("SCREEN SHARE", obj.options.videoParams);
- audio = false;
- } else {
- audio = {
- };
-
- if (obj.options.audioParams) {
- audio = obj.options.audioParams;
- }
-
- if (obj.options.useMic !== "any") {
- //audio.optional = [{sourceId: obj.options.useMic}];
- audio.deviceId = {exact: obj.options.useMic};
- }
- }
-
- if (obj.options.useVideo && obj.options.localVideo && !obj.options.useStream) {
- getUserMedia({
- constraints: {
- audio: false,
- video: { deviceId: obj.options.useCamera },
- },
- localVideo: obj.options.localVideo,
- onsuccess: function(e) {obj.options.localVideoStream = e; console.log("local video ready");},
- onerror: function(e) {console.error("local video error!");}
- });
- }
-
- var video = {};
- var bestFrameRate = obj.options.videoParams.vertoBestFrameRate;
- var minFrameRate = obj.options.videoParams.minFrameRate || 15;
- delete obj.options.videoParams.vertoBestFrameRate;
-
- if (obj.options.screenShare) {
- if (!obj.options.useCamera && !!navigator.mozGetUserMedia) {
- //This is an issue, only FireFox needs to ask this additional question if its screen or window we need a better way
- var dowin = window.confirm("Do you want to share an application window? If not you can share an entire screen.");
-
- video = {
- width: {min: obj.options.videoParams.minWidth, max: obj.options.videoParams.maxWidth},
- height: {min: obj.options.videoParams.minHeight, max: obj.options.videoParams.maxHeight},
- mediaSource: dowin ? "window" : "screen"
- }
- } else {
- var opt = [];
- if (obj.options.useCamera) {
- opt.push({sourceId: obj.options.useCamera});
- }
-
- if (bestFrameRate) {
- opt.push({minFrameRate: bestFrameRate});
- opt.push({maxFrameRate: bestFrameRate});
- }
-
- video = {
- mandatory: obj.options.videoParams,
- optional: opt
- };
- // NOTE: This is a workaround for
- // https://bugs.chromium.org/p/chromium/issues/detail?id=862325
- if (!!navigator.userAgent.match(/Android/i)) {
- delete video.frameRate.min;
- }
- }
- } else {
-
- video = {
- //mandatory: obj.options.videoParams,
- width: {min: obj.options.videoParams.minWidth, max: obj.options.videoParams.maxWidth},
- height: {min: obj.options.videoParams.minHeight, max: obj.options.videoParams.maxHeight}
- };
-
-
-
- var useVideo = obj.options.useVideo;
-
- if (useVideo && obj.options.useCamera && obj.options.useCamera !== "none") {
- //if (!video.optional) {
- //video.optional = [];
- //}
-
-
- if (obj.options.useCamera !== "any") {
- //video.optional.push({sourceId: obj.options.useCamera});
- video.deviceId = {
- exact: obj.options.useCamera,
- };
- }
-
- if (bestFrameRate) {
- //video.optional.push({minFrameRate: bestFrameRate});
- //video.optional.push({maxFrameRate: bestFrameRate});
- video.frameRate = {ideal: bestFrameRate, min: minFrameRate, max: 30};
- }
-
- } else {
- console.log("Camera Disabled");
- video = false;
- useVideo = false;
- }
- }
-
- return {audio: audio, video: video, useVideo: useVideo};
- }
-
- $.FSRTC.prototype.call = function(profile) {
- checkCompat();
-
- var self = this;
- var screen = false;
-
- self.type = "offer";
-
- if (self.options.videoParams && self.options.screenShare) { //self.options.videoParams.chromeMediaSource == 'desktop') {
- screen = true;
- }
-
- function onSuccess(stream) {
- self.localStream = stream;
-
- if (screen) {
- self.constraints.offerToReceiveVideo = false;
- self.constraints.offerToReceiveAudio = false;
- self.constraints.offerToSendAudio = false;
- }
-
- self.peer = FSRTCPeerConnection({
- type: self.type,
- attachStream: self.localStream,
- onICE: function(candidate) {
- return onICE(self, candidate);
- },
- onICEComplete: function() {
- return onICEComplete(self);
- },
- onRemoteStream: screen ? function(stream) {} : function(stream) {
- return onRemoteStream(self, stream);
- },
- onOfferSDP: function(sdp) {
- return onOfferSDP(self, sdp);
- },
- onICESDP: function(sdp) {
- return onICESDP(self, sdp);
- },
- onChannelError: function(e) {
- return onChannelError(self, e);
- },
- constraints: self.constraints,
- iceServers: self.options.iceServers,
- turnServer: self.options.turnServer
- });
-
- onStreamSuccess(self, stream);
- }
-
- function onError(e) {
- onStreamError(self, e);
- }
-
- var mediaParams = getMediaParams(self);
-
- console.log("Audio constraints", mediaParams.audio);
- console.log("Video constraints", mediaParams.video);
-
- if (self.options.useStream) {
- if (self.options.useVideo) {
- self.options.localVideoStream = self.options.useStream;
- if (self.options.localVideo) {
- activateLocalVideo(self.options.localVideo, self.options.useStream);
- }
- }
- onSuccess(self.options.useStream);
- }
- else if (mediaParams.audio || mediaParams.video) {
-
- getUserMedia({
- constraints: {
- audio: mediaParams.audio,
- video: mediaParams.video
- },
- video: mediaParams.useVideo,
- onsuccess: onSuccess,
- onerror: onError
- });
-
- } else {
- onSuccess(null);
- }
-
-
-
- /*
- navigator.getUserMedia({
- video: self.options.useVideo,
- audio: true
- }, onSuccess, onError);
- */
-
- };
-
- // DERIVED from RTCPeerConnection-v1.5
- // 2013, @muazkh - github.com/muaz-khan
- // MIT License - https://www.webrtc-experiment.com/licence/
- // Documentation - https://github.com/muaz-khan/WebRTC-Experiment/tree/master/RTCPeerConnection
-
- function FSRTCPeerConnection(options) {
- var gathering = false, done = false;
- var config = {};
- var default_ice = [{ urls: ['stun:stun.l.google.com:19302'] }];
-
- if (self.options.turnServer) {
- default_ice.push(self.options.turnServer)
- }
-
- if (options.iceServers) {
- if (typeof(options.iceServers) === "boolean") {
- config.iceServers = default_ice;
- } else {
- config.iceServers = options.iceServers;
- }
- }
-
- config.bundlePolicy = "max-compat";
-
- var peer = new window.RTCPeerConnection(config);
-
- openOffererChannel();
- var x = 0;
-
- function ice_handler() {
-
- done = true;
- gathering = null;
-
- if (options.onICEComplete) {
- options.onICEComplete();
- }
-
- if (options.type == "offer") {
- options.onICESDP(peer.localDescription);
- } else {
- if (!x && options.onICESDP) {
- options.onICESDP(peer.localDescription);
- }
- }
- }
-
- peer.onicecandidate = function(event) {
-
- if (done) {
- return;
- }
-
- if (!gathering) {
- gathering = setTimeout(ice_handler, 1000);
- }
-
- if (event) {
- if (event.candidate) {
- options.onICE(event.candidate);
- }
- } else {
- done = true;
-
- if (gathering) {
- clearTimeout(gathering);
- gathering = null;
- }
-
- ice_handler();
- }
- };
-
- // attachStream = MediaStream;
- if (options.attachStream) peer.addStream(options.attachStream);
-
- // attachStreams[0] = audio-stream;
- // attachStreams[1] = video-stream;
- // attachStreams[2] = screen-capturing-stream;
- if (options.attachStreams && options.attachStream.length) {
- var streams = options.attachStreams;
- for (var i = 0; i < streams.length; i++) {
- peer.addStream(streams[i]);
- }
- }
-
- peer.onaddstream = function(event) {
- var remoteMediaStream = event.stream;
-
- // onRemoteStreamEnded(MediaStream)
- remoteMediaStream.oninactive = function () {
- if (options.onRemoteStreamEnded) options.onRemoteStreamEnded(remoteMediaStream);
- };
-
- // onRemoteStream(MediaStream)
- if (options.onRemoteStream) options.onRemoteStream(remoteMediaStream);
-
- //console.debug('on:add:stream', remoteMediaStream);
- };
-
- //var constraints = options.constraints || {
- // offerToReceiveAudio: true,
- //offerToReceiveVideo: true
- //};
-
- // onOfferSDP(RTCSessionDescription)
- function createOffer() {
- if (!options.onOfferSDP) return;
-
- peer.createOffer(function(sessionDescription) {
- sessionDescription.sdp = serializeSdp(sessionDescription.sdp);
- peer.setLocalDescription(sessionDescription);
- options.onOfferSDP(sessionDescription);
- },
- onSdpError, options.constraints);
- }
-
- // onAnswerSDP(RTCSessionDescription)
- function createAnswer() {
- if (options.type != "answer") return;
-
- //options.offerSDP.sdp = addStereo(options.offerSDP.sdp);
- peer.setRemoteDescription(new window.RTCSessionDescription(options.offerSDP), onSdpSuccess, onSdpError);
- peer.createAnswer(function(sessionDescription) {
- sessionDescription.sdp = serializeSdp(sessionDescription.sdp);
- peer.setLocalDescription(sessionDescription);
- if (options.onAnswerSDP) {
- options.onAnswerSDP(sessionDescription);
- }
- },
- onSdpError);
- }
-
-
- if ((options.onChannelMessage) || !options.onChannelMessage) {
- createOffer();
- createAnswer();
- }
-
- // DataChannel Bandwidth
- function setBandwidth(sdp) {
- // remove existing bandwidth lines
- sdp = sdp.replace(/b=AS([^\r\n]+\r\n)/g, '');
- sdp = sdp.replace(/a=mid:data\r\n/g, 'a=mid:data\r\nb=AS:1638400\r\n');
-
- return sdp;
- }
-
- // old: FF<>Chrome interoperability management
- function getInteropSDP(sdp) {
- var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.split(''),
- extractedChars = '';
-
- function getChars() {
- extractedChars += chars[parseInt(Math.random() * 40)] || '';
- if (extractedChars.length < 40) getChars();
-
- return extractedChars;
- }
-
- // usually audio-only streaming failure occurs out of audio-specific crypto line
- // a=crypto:1 AES_CM_128_HMAC_SHA1_32 --------- kAttributeCryptoVoice
- if (options.onAnswerSDP) sdp = sdp.replace(/(a=crypto:0 AES_CM_128_HMAC_SHA1_32)(.*?)(\r\n)/g, '');
-
- // video-specific crypto line i.e. SHA1_80
- // a=crypto:1 AES_CM_128_HMAC_SHA1_80 --------- kAttributeCryptoVideo
- var inline = getChars() + '\r\n' + (extractedChars = '');
- sdp = sdp.indexOf('a=crypto') == -1 ? sdp.replace(/c=IN/g, 'a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:' + inline + 'c=IN') : sdp;
-
- return sdp;
- }
-
- function serializeSdp(sdp) {
- return sdp;
- }
-
- // DataChannel management
- var channel;
-
- function openOffererChannel() {
- if (!options.onChannelMessage) return;
-
- _openOffererChannel();
-
- return;
- }
-
- function _openOffererChannel() {
- channel = peer.createDataChannel(options.channel || 'RTCDataChannel', {
- reliable: false
- });
-
- setChannelEvents();
- }
-
- function setChannelEvents() {
- channel.onmessage = function(event) {
- if (options.onChannelMessage) options.onChannelMessage(event);
- };
-
- channel.onopen = function() {
- if (options.onChannelOpened) options.onChannelOpened(channel);
- };
- channel.onclose = function(event) {
- if (options.onChannelClosed) options.onChannelClosed(event);
-
- console.warn('WebRTC DataChannel closed', event);
- };
- channel.onerror = function(event) {
- if (options.onChannelError) options.onChannelError(event);
-
- console.error('WebRTC DataChannel error', event);
- };
- }
-
- function openAnswererChannel() {
- peer.ondatachannel = function(event) {
- channel = event.channel;
- channel.binaryType = 'blob';
- setChannelEvents();
- };
-
- return;
- }
-
- // fake:true is also available on chrome under a flag!
- function useless() {
- log('Error in fake:true');
- }
-
- function onSdpSuccess() {}
-
- function onSdpError(e) {
- if (options.onChannelError) {
- options.onChannelError(e);
- }
- console.error('sdp error:', e);
- }
-
- return {
- addAnswerSDP: function(sdp, cbSuccess, cbError) {
-
- peer.setRemoteDescription(new window.RTCSessionDescription(sdp), cbSuccess ? cbSuccess : onSdpSuccess, cbError ? cbError : onSdpError);
- },
- addICE: function(candidate) {
- peer.addIceCandidate(new window.RTCIceCandidate({
- sdpMLineIndex: candidate.sdpMLineIndex,
- candidate: candidate.candidate
- }));
- },
-
- peer: peer,
- channel: channel,
- sendData: function(message) {
- if (channel) {
- channel.send(message);
- }
- },
-
- stop: function() {
- peer.close();
- if (options.attachStream) {
- if(typeof options.attachStream.stop == 'function') {
- options.attachStream.stop();
- } else {
- options.attachStream.active = false;
- }
- }
- }
-
- };
- }
-
- // getUserMedia
- var video_constraints = {
- //mandatory: {},
- //optional: []
- };
-
- function activateLocalVideo(el, stream) {
- el.srcObject = stream;
- el.style.display = 'block';
- }
-
- function deactivateLocalVideo(el) {
- el.srcObject = null;
- el.style.display = 'none';
- }
-
- function getUserMedia(options) {
- var n = navigator,
- media;
- n.getMedia = n.getUserMedia;
- n.getMedia(options.constraints || {
- audio: true,
- video: video_constraints
- },
- streaming, options.onerror ||
- function(e) {
- console.error(e);
- });
-
- function streaming(stream) {
- if (options.localVideo) {
- activateLocalVideo(options.localVideo, stream);
- }
-
- if (options.onsuccess) {
- options.onsuccess(stream);
- }
-
- media = stream;
- }
-
- return media;
- }
-
- $.FSRTC.resSupported = function(w, h) {
- for (var i in $.FSRTC.validRes) {
- if ($.FSRTC.validRes[i][0] == w && $.FSRTC.validRes[i][1] == h) {
- return true;
- }
- }
-
- return false;
- }
-
- $.FSRTC.bestResSupported = function() {
- var w = 0, h = 0;
-
- for (var i in $.FSRTC.validRes) {
- if ($.FSRTC.validRes[i][0] >= w && $.FSRTC.validRes[i][1] >= h) {
- w = $.FSRTC.validRes[i][0];
- h = $.FSRTC.validRes[i][1];
- }
- }
-
- return [w, h];
- }
-
- var resList = [[160, 120], [320, 180], [320, 240], [640, 360], [640, 480], [1280, 720], [1920, 1080]];
- var resI = 0;
- var ttl = 0;
-
- var checkRes = function (cam, func) {
-
- if (resI >= resList.length) {
- var res = {
- 'validRes': $.FSRTC.validRes,
- 'bestResSupported': $.FSRTC.bestResSupported()
- };
-
- localStorage.setItem("res_" + cam, $.toJSON(res));
-
- if (func) return func(res);
- return;
- }
-
- w = resList[resI][0];
- h = resList[resI][1];
- resI++;
-
- var video = {
- width: {exact: w},
- height: {exact: h}
- };
-
- if (cam !== "any") {
- video.deviceId = {
- exact: cam,
- };
- }
-
- getUserMedia({
- constraints: {
- audio: ttl++ == 0,
- video: video
- },
- onsuccess: function(e) {
- e.getTracks().forEach(function(track) {track.stop();});
- console.info(w + "x" + h + " supported."); $.FSRTC.validRes.push([w, h]); checkRes(cam, func);},
- onerror: function(e) {console.warn( w + "x" + h + " not supported."); checkRes(cam, func);}
- });
- }
-
-
- $.FSRTC.getValidRes = function (cam, func) {
- var used = [];
- var cached = localStorage.getItem("res_" + cam);
-
- if (cached) {
- var cache = $.parseJSON(cached);
-
- if (cache) {
- $.FSRTC.validRes = cache.validRes;
- console.log("CACHED RES FOR CAM " + cam, cache);
- } else {
- console.error("INVALID CACHE");
- }
- return func ? func(cache) : null;
- }
-
-
- $.FSRTC.validRes = [];
- resI = 0;
-
- checkRes(cam, func);
- }
-
- $.FSRTC.checkPerms = function (runtime, check_audio, check_video) {
- getUserMedia({
- constraints: {
- audio: check_audio,
- video: check_video,
- },
- onsuccess: function(e) {
-
- e.getTracks().forEach(function(track) {track.stop();});
-
- console.info("media perm init complete");
- if (runtime) {
- setTimeout(runtime, 100, true);
- }
- },
- onerror: function(e) {
- if (check_video && check_audio) {
- console.error("error, retesting with audio params only");
- return $.FSRTC.checkPerms(runtime, check_audio, false);
- }
-
- console.error("media perm init error");
-
- if (runtime) {
- runtime(false)
- }
- }
- });
- }
-
-})(jQuery);
-/*
- * Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
- * Copyright (C) 2005-2014, Anthony Minessale II
- *
- * Version: MPL 1.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is jquery.jsonrpclient.js modified for Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
- *
- * The Initial Developer of the Original Code is
- * Textalk AB http://textalk.se/
- * Portions created by the Initial Developer are Copyright (C)
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Anthony Minessale II
- *
- * jquery.jsonrpclient.js - JSON RPC client code
- *
- */
-/**
- * This plugin requires jquery.json.js to be available, or at least the methods $.toJSON and
- * $.parseJSON.
- *
- * The plan is to make use of websockets if they are available, but work just as well with only
- * http if not.
- *
- * Usage example:
- *
- * var foo = new $.JsonRpcClient({ ajaxUrl: '/backend/jsonrpc' });
- * foo.call(
- * 'bar', [ 'A parameter', 'B parameter' ],
- * function(result) { alert('Foo bar answered: ' + result.my_answer); },
- * function(error) { console.log('There was an error', error); }
- * );
- *
- * More examples are available in README.md
- */
-(function($) {
- /**
- * @fn new
- * @memberof $.JsonRpcClient
- *
- * @param options An object stating the backends:
- * ajaxUrl A url (relative or absolute) to a http(s) backend.
- * socketUrl A url (relative of absolute) to a ws(s) backend.
- * onmessage A socket message handler for other messages (non-responses).
- * getSocket A function returning a WebSocket or null.
- * It must take an onmessage_cb and bind it to the onmessage event
- * (or chain it before/after some other onmessage handler).
- * Or, it could return null if no socket is available.
- * The returned instance must have readyState <= 1, and if less than 1,
- * react to onopen binding.
- */
- $.JsonRpcClient = function(options) {
- var self = this;
- this.options = $.extend({
- ajaxUrl : null,
- socketUrl : null, ///< The ws-url for default getSocket.
- onmessage : null, ///< Other onmessage-handler.
- login : null, /// auth login
- passwd : null, /// auth passwd
- sessid : null,
- loginParams : null,
- userVariables : null,
- getSocket : function(onmessage_cb) { return self._getSocket(onmessage_cb); }
- }, options);
-
- self.ws_cnt = 0;
-
- // Declare an instance version of the onmessage callback to wrap 'this'.
- this.wsOnMessage = function(event) { self._wsOnMessage(event); };
- };
-
- /// Holding the WebSocket on default getsocket.
- $.JsonRpcClient.prototype._ws_socket = null;
-
- /// Object : { success_cb: cb, error_cb: cb }
- $.JsonRpcClient.prototype._ws_callbacks = {};
-
- /// The next JSON-RPC request id.
- $.JsonRpcClient.prototype._current_id = 1;
-
-
- $.JsonRpcClient.prototype.speedTest = function (bytes, cb) {
- var socket = this.options.getSocket(this.wsOnMessage);
- if (socket !== null) {
- this.speedCB = cb;
- this.speedBytes = bytes;
- socket.send("#SPU " + bytes);
-
- var loops = bytes / 1024;
- var rem = bytes % 1024;
- var i;
- var data = new Array(1024).join(".");
- for (i = 0; i < loops; i++) {
- socket.send("#SPB " + data);
- }
-
- if (rem) {
- socket.send("#SPB " + data);
- }
-
- socket.send("#SPE");
- }
- };
-
-
-
- /**
- * @fn call
- * @memberof $.JsonRpcClient
- *
- * @param method The method to run on JSON-RPC server.
- * @param params The params; an array or object.
- * @param success_cb A callback for successful request.
- * @param error_cb A callback for error.
- */
- $.JsonRpcClient.prototype.call = function(method, params, success_cb, error_cb) {
- // Construct the JSON-RPC 2.0 request.
-
- if (!params) {
- params = {};
- }
-
- if (this.options.sessid) {
- params.sessid = this.options.sessid;
- }
-
- var request = {
- jsonrpc : '2.0',
- method : method,
- params : params,
- id : this._current_id++ // Increase the id counter to match request/response
- };
-
- if (!success_cb) {
- success_cb = function(e){console.log("Success: ", e);};
- }
-
- if (!error_cb) {
- error_cb = function(e){console.log("Error: ", e);};
- }
-
- // Try making a WebSocket call.
- var socket = this.options.getSocket(this.wsOnMessage);
- if (socket !== null) {
- this._wsCall(socket, request, success_cb, error_cb);
- return;
- }
-
- // No WebSocket, and no HTTP backend? This won't work.
- if (this.options.ajaxUrl === null) {
- throw "$.JsonRpcClient.call used with no websocket and no http endpoint.";
- }
-
- $.ajax({
- type : 'POST',
- url : this.options.ajaxUrl,
- data : $.toJSON(request),
- dataType : 'json',
- cache : false,
-
- success : function(data) {
- if ('error' in data) error_cb(data.error, this);
- success_cb(data.result, this);
- },
-
- // JSON-RPC Server could return non-200 on error
- error : function(jqXHR, textStatus, errorThrown) {
- try {
- var response = $.parseJSON(jqXHR.responseText);
-
- if ('console' in window) console.log(response);
-
- error_cb(response.error, this);
- } catch (err) {
- // Perhaps the responseText wasn't really a jsonrpc-error.
- error_cb({ error: jqXHR.responseText }, this);
- }
- }
- });
- };
-
- /**
- * Notify sends a command to the server that won't need a response. In http, there is probably
- * an empty response - that will be dropped, but in ws there should be no response at all.
- *
- * This is very similar to call, but has no id and no handling of callbacks.
- *
- * @fn notify
- * @memberof $.JsonRpcClient
- *
- * @param method The method to run on JSON-RPC server.
- * @param params The params; an array or object.
- */
- $.JsonRpcClient.prototype.notify = function(method, params) {
- // Construct the JSON-RPC 2.0 request.
-
- if (this.options.sessid) {
- params.sessid = this.options.sessid;
- }
-
- var request = {
- jsonrpc: '2.0',
- method: method,
- params: params
- };
-
- // Try making a WebSocket call.
- var socket = this.options.getSocket(this.wsOnMessage);
- if (socket !== null) {
- this._wsCall(socket, request);
- return;
- }
-
- // No WebSocket, and no HTTP backend? This won't work.
- if (this.options.ajaxUrl === null) {
- throw "$.JsonRpcClient.notify used with no websocket and no http endpoint.";
- }
-
- $.ajax({
- type : 'POST',
- url : this.options.ajaxUrl,
- data : $.toJSON(request),
- dataType : 'json',
- cache : false
- });
- };
-
- /**
- * Make a batch-call by using a callback.
- *
- * The callback will get an object "batch" as only argument. On batch, you can call the methods
- * "call" and "notify" just as if it was a normal $.JsonRpcClient object, and all calls will be
- * sent as a batch call then the callback is done.
- *
- * @fn batch
- * @memberof $.JsonRpcClient
- *
- * @param callback The main function which will get a batch handler to run call and notify on.
- * @param all_done_cb A callback function to call after all results have been handled.
- * @param error_cb A callback function to call if there is an error from the server.
- * Note, that batch calls should always get an overall success, and the
- * only error
- */
- $.JsonRpcClient.prototype.batch = function(callback, all_done_cb, error_cb) {
- var batch = new $.JsonRpcClient._batchObject(this, all_done_cb, error_cb);
- callback(batch);
- batch._execute();
- };
-
- /**
- * The default getSocket handler.
- *
- * @param onmessage_cb The callback to be bound to onmessage events on the socket.
- *
- * @fn _getSocket
- * @memberof $.JsonRpcClient
- */
-
- $.JsonRpcClient.prototype.socketReady = function() {
- if (this._ws_socket === null || this._ws_socket.readyState > 1) {
- return false;
- }
-
- return true;
- };
-
- $.JsonRpcClient.prototype.closeSocket = function() {
- var self = this;
- if (self.socketReady()) {
- self._ws_socket.onclose = function (w) {console.log("Closing Socket");};
- self._ws_socket.close();
- }
- };
-
- $.JsonRpcClient.prototype.loginData = function(params) {
- var self = this;
- self.options.login = params.login;
- self.options.passwd = params.passwd;
- self.options.loginParams = params.loginParams;
- self.options.userVariables = params.userVariables;
- };
-
- $.JsonRpcClient.prototype.connectSocket = function(onmessage_cb) {
- var self = this;
-
- if (self.to) {
- clearTimeout(self.to);
- }
-
- if (!self.socketReady()) {
- self.authing = false;
-
- if (self._ws_socket) {
- delete self._ws_socket;
- }
-
- // No socket, or dying socket, let's get a new one.
- self._ws_socket = new WebSocket(self.options.socketUrl);
-
- if (self._ws_socket) {
- // Set up onmessage handler.
- self._ws_socket.onmessage = onmessage_cb;
- self._ws_socket.onclose = function (w) {
- if (!self.ws_sleep) {
- self.ws_sleep = 1000;
- }
-
- if (self.options.onWSClose) {
- self.options.onWSClose(self);
- }
-
- if (self.ws_cnt > 10 && self.options.wsFallbackURL) {
- self.options.socketUrl = self.options.wsFallbackURL;
- }
-
- console.error("Websocket Lost " + self.ws_cnt + " sleep: " + self.ws_sleep + "msec");
-
- self.to = setTimeout(function() {
- console.log("Attempting Reconnection....");
- self.connectSocket(onmessage_cb);
- }, self.ws_sleep);
-
- self.ws_cnt++;
-
- if (self.ws_sleep < 3000 && (self.ws_cnt % 10) === 0) {
- self.ws_sleep += 1000;
- }
- };
-
- // Set up sending of message for when the socket is open.
- self._ws_socket.onopen = function() {
- if (self.to) {
- clearTimeout(self.to);
- }
- self.ws_sleep = 1000;
- self.ws_cnt = 0;
- if (self.options.onWSConnect) {
- self.options.onWSConnect(self);
- }
-
- var req;
- // Send the requests.
- while ((req = $.JsonRpcClient.q.pop())) {
- self._ws_socket.send(req);
- }
- };
- }
- }
-
- return self._ws_socket ? true : false;
- };
-
- $.JsonRpcClient.prototype.stopRetrying = function() {
- if (self.to)
- clearTimeout(self.to);
- }
-
- $.JsonRpcClient.prototype._getSocket = function(onmessage_cb) {
- // If there is no ws url set, we don't have a socket.
- // Likewise, if there is no window.WebSocket.
- if (this.options.socketUrl === null || !("WebSocket" in window)) return null;
-
- this.connectSocket(onmessage_cb);
-
- return this._ws_socket;
- };
-
- /**
- * Queue to save messages delivered when websocket is not ready
- */
- $.JsonRpcClient.q = [];
-
- /**
- * Internal handler to dispatch a JRON-RPC request through a websocket.
- *
- * @fn _wsCall
- * @memberof $.JsonRpcClient
- */
- $.JsonRpcClient.prototype._wsCall = function(socket, request, success_cb, error_cb) {
- var request_json = $.toJSON(request);
-
- if (socket.readyState < 1) {
- // The websocket is not open yet; we have to set sending of the message in onopen.
- self = this; // In closure below, this is set to the WebSocket. Use self instead.
- $.JsonRpcClient.q.push(request_json);
- } else {
- // We have a socket and it should be ready to send on.
- socket.send(request_json);
- }
-
- // Setup callbacks. If there is an id, this is a call and not a notify.
- if ('id' in request && typeof success_cb !== 'undefined') {
- this._ws_callbacks[request.id] = { request: request_json, request_obj: request, success_cb: success_cb, error_cb: error_cb };
- }
- };
-
- /**
- * Internal handler for the websocket messages. It determines if the message is a JSON-RPC
- * response, and if so, tries to couple it with a given callback. Otherwise, it falls back to
- * given external onmessage-handler, if any.
- *
- * @param event The websocket onmessage-event.
- */
- $.JsonRpcClient.prototype._wsOnMessage = function(event) {
- // Check if this could be a JSON RPC message.
- var response;
-
- // Special sub proto
- if (event.data[0] == "#" && event.data[1] == "S" && event.data[2] == "P") {
- if (event.data[3] == "U") {
- this.up_dur = parseInt(event.data.substring(4));
- } else if (this.speedCB && event.data[3] == "D") {
- this.down_dur = parseInt(event.data.substring(4));
-
- var up_kps = (((this.speedBytes * 8) / (this.up_dur / 1000)) / 1024).toFixed(0);
- var down_kps = (((this.speedBytes * 8) / (this.down_dur / 1000)) / 1024).toFixed(0);
-
- console.info("Speed Test: Up: " + up_kps + " Down: " + down_kps);
- var cb = this.speedCB;
- this.speedCB = null;
- cb(event, {
- upDur: this.up_dur,
- downDur: this.down_dur,
- upKPS: up_kps,
- downKPS: down_kps
- });
- }
-
- return;
- }
-
-
- try {
- response = $.parseJSON(event.data);
-
- /// @todo Make using the jsonrcp 2.0 check optional, to use this on JSON-RPC 1 backends.
-
- if (typeof response === 'object' &&
- 'jsonrpc' in response &&
- response.jsonrpc === '2.0') {
-
- /// @todo Handle bad response (without id).
-
- // If this is an object with result, it is a response.
- if ('result' in response && this._ws_callbacks[response.id]) {
- // Get the success callback.
- var success_cb = this._ws_callbacks[response.id].success_cb;
-
- /*
- // set the sessid if present
- if ('sessid' in response.result && !this.options.sessid || (this.options.sessid != response.result.sessid)) {
- this.options.sessid = response.result.sessid;
- if (this.options.sessid) {
- console.log("setting session UUID to: " + this.options.sessid);
- }
- }
- */
- // Delete the callback from the storage.
- delete this._ws_callbacks[response.id];
-
- // Run callback with result as parameter.
- success_cb(response.result, this);
- return;
- } else if ('error' in response && this._ws_callbacks[response.id]) {
- // If this is an object with error, it is an error response.
-
- // Get the error callback.
- var error_cb = this._ws_callbacks[response.id].error_cb;
- var orig_req = this._ws_callbacks[response.id].request;
-
- // if this is an auth request, send the credentials and resend the failed request
- if (!self.authing && response.error.code == -32000 && self.options.login && self.options.passwd) {
- self.authing = true;
-
- this.call("login", { login: self.options.login, passwd: self.options.passwd, loginParams: self.options.loginParams,
- userVariables: self.options.userVariables},
- this._ws_callbacks[response.id].request_obj.method == "login" ?
- function(e) {
- self.authing = false;
- console.log("logged in");
- delete self._ws_callbacks[response.id];
-
- if (self.options.onWSLogin) {
- self.options.onWSLogin(true, self);
- }
- }
-
- :
-
- function(e) {
- self.authing = false;
- console.log("logged in, resending request id: " + response.id);
- var socket = self.options.getSocket(self.wsOnMessage);
- if (socket !== null) {
- socket.send(orig_req);
- }
- if (self.options.onWSLogin) {
- self.options.onWSLogin(true, self);
- }
- },
-
- function(e) {
- console.log("error logging in, request id:", response.id);
- delete self._ws_callbacks[response.id];
- error_cb(response.error, this);
- if (self.options.onWSLogin) {
- self.options.onWSLogin(false, self);
- }
- });
- return;
- }
-
- // Delete the callback from the storage.
- delete this._ws_callbacks[response.id];
-
- // Run callback with the error object as parameter.
- error_cb(response.error, this);
- return;
- }
- }
- } catch (err) {
- // Probably an error while parsing a non json-string as json. All real JSON-RPC cases are
- // handled above, and the fallback method is called below.
- console.log("ERROR: "+ err);
- return;
- }
-
- // This is not a JSON-RPC response. Call the fallback message handler, if given.
- if (typeof this.options.onmessage === 'function') {
- event.eventData = response;
- if (!event.eventData) {
- event.eventData = {};
- }
-
- var reply = this.options.onmessage(event);
-
- if (reply && typeof reply === "object" && event.eventData.id) {
- var msg = {
- jsonrpc: "2.0",
- id: event.eventData.id,
- result: reply
- };
-
- var socket = self.options.getSocket(self.wsOnMessage);
- if (socket !== null) {
- socket.send($.toJSON(msg));
- }
- }
- }
- };
-
-
- /************************************************************************************************
- * Batch object with methods
- ************************************************************************************************/
-
- /**
- * Handling object for batch calls.
- */
- $.JsonRpcClient._batchObject = function(jsonrpcclient, all_done_cb, error_cb) {
- // Array of objects to hold the call and notify requests. Each objects will have the request
- // object, and unless it is a notify, success_cb and error_cb.
- this._requests = [];
-
- this.jsonrpcclient = jsonrpcclient;
- this.all_done_cb = all_done_cb;
- this.error_cb = typeof error_cb === 'function' ? error_cb : function() {};
-
- };
-
- /**
- * @sa $.JsonRpcClient.prototype.call
- */
- $.JsonRpcClient._batchObject.prototype.call = function(method, params, success_cb, error_cb) {
-
- if (!params) {
- params = {};
- }
-
- if (this.options.sessid) {
- params.sessid = this.options.sessid;
- }
-
- if (!success_cb) {
- success_cb = function(e){console.log("Success: ", e);};
- }
-
- if (!error_cb) {
- error_cb = function(e){console.log("Error: ", e);};
- }
-
- this._requests.push({
- request : {
- jsonrpc : '2.0',
- method : method,
- params : params,
- id : this.jsonrpcclient._current_id++ // Use the client's id series.
- },
- success_cb : success_cb,
- error_cb : error_cb
- });
- };
-
- /**
- * @sa $.JsonRpcClient.prototype.notify
- */
- $.JsonRpcClient._batchObject.prototype.notify = function(method, params) {
- if (this.options.sessid) {
- params.sessid = this.options.sessid;
- }
-
- this._requests.push({
- request : {
- jsonrpc : '2.0',
- method : method,
- params : params
- }
- });
- };
-
- /**
- * Executes the batched up calls.
- */
- $.JsonRpcClient._batchObject.prototype._execute = function() {
- var self = this;
-
- if (this._requests.length === 0) return; // All done :P
-
- // Collect all request data and sort handlers by request id.
- var batch_request = [];
- var handlers = {};
- var i = 0;
- var call;
- var success_cb;
- var error_cb;
-
- // If we have a WebSocket, just send the requests individually like normal calls.
- var socket = self.jsonrpcclient.options.getSocket(self.jsonrpcclient.wsOnMessage);
- if (socket !== null) {
- for (i = 0; i < this._requests.length; i++) {
- call = this._requests[i];
- success_cb = ('success_cb' in call) ? call.success_cb : undefined;
- error_cb = ('error_cb' in call) ? call.error_cb : undefined;
- self.jsonrpcclient._wsCall(socket, call.request, success_cb, error_cb);
- }
-
- if (typeof all_done_cb === 'function') all_done_cb(result);
- return;
- }
-
- for (i = 0; i < this._requests.length; i++) {
- call = this._requests[i];
- batch_request.push(call.request);
-
- // If the request has an id, it should handle returns (otherwise it's a notify).
- if ('id' in call.request) {
- handlers[call.request.id] = {
- success_cb : call.success_cb,
- error_cb : call.error_cb
- };
- }
- }
-
- success_cb = function(data) { self._batchCb(data, handlers, self.all_done_cb); };
-
- // No WebSocket, and no HTTP backend? This won't work.
- if (self.jsonrpcclient.options.ajaxUrl === null) {
- throw "$.JsonRpcClient.batch used with no websocket and no http endpoint.";
- }
-
- // Send request
- $.ajax({
- url : self.jsonrpcclient.options.ajaxUrl,
- data : $.toJSON(batch_request),
- dataType : 'json',
- cache : false,
- type : 'POST',
-
- // Batch-requests should always return 200
- error : function(jqXHR, textStatus, errorThrown) {
- self.error_cb(jqXHR, textStatus, errorThrown);
- },
- success : success_cb
- });
- };
-
- /**
- * Internal helper to match the result array from a batch call to their respective callbacks.
- *
- * @fn _batchCb
- * @memberof $.JsonRpcClient
- */
- $.JsonRpcClient._batchObject.prototype._batchCb = function(result, handlers, all_done_cb) {
- for (var i = 0; i < result.length; i++) {
- var response = result[i];
-
- // Handle error
- if ('error' in response) {
- if (response.id === null || !(response.id in handlers)) {
- // An error on a notify? Just log it to the console.
- if ('console' in window) console.log(response);
- } else {
- handlers[response.id].error_cb(response.error, this);
- }
- } else {
- // Here we should always have a correct id and no error.
- if (!(response.id in handlers) && 'console' in window) {
- console.log(response);
- } else {
- handlers[response.id].success_cb(response.result, this);
- }
- }
- }
-
- if (typeof all_done_cb === 'function') all_done_cb(result);
- };
-
-})(jQuery);
-
-/*
- * Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
- * Copyright (C) 2005-2014, Anthony Minessale II
- *
- * Version: MPL 1.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
- *
- * The Initial Developer of the Original Code is
- * Anthony Minessale II
- * Portions created by the Initial Developer are Copyright (C)
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Anthony Minessale II
- *
- * jquery.verto.js - Main interface
- *
- */
-
-(function($) {
- var sources = [];
-
- var generateGUID = (typeof(window.crypto) !== 'undefined' && typeof(window.crypto.getRandomValues) !== 'undefined') ?
- function() {
- // If we have a cryptographically secure PRNG, use that
- // http://stackoverflow.com/questions/6906916/collisions-when-generating-uuids-in-javascript
- var buf = new Uint16Array(8);
- window.crypto.getRandomValues(buf);
- var S4 = function(num) {
- var ret = num.toString(16);
- while (ret.length < 4) {
- ret = "0" + ret;
- }
- return ret;
- };
- return (S4(buf[0]) + S4(buf[1]) + "-" + S4(buf[2]) + "-" + S4(buf[3]) + "-" + S4(buf[4]) + "-" + S4(buf[5]) + S4(buf[6]) + S4(buf[7]));
- }
-
- :
-
- function() {
- // Otherwise, just use Math.random
- // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/2117523#2117523
- return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
- var r = Math.random() * 16 | 0,
- v = c == 'x' ? r : (r & 0x3 | 0x8);
- return v.toString(16);
- });
- };
-
- /// MASTER OBJ
- $.verto = function(options, callbacks) {
- var verto = this;
-
- $.verto.saved.push(verto);
-
- verto.options = $.extend({
- login: null,
- passwd: null,
- socketUrl: null,
- tag: null,
- localTag: null,
- videoParams: {},
- audioParams: {},
- loginParams: {},
- deviceParams: {onResCheck: null},
- userVariables: {},
- iceServers: false,
- ringSleep: 6000,
- sessid: null,
- useStream: null
- }, options);
-
- if (verto.options.deviceParams.useCamera) {
- $.FSRTC.getValidRes(verto.options.deviceParams.useCamera, verto.options.deviceParams.onResCheck);
- }
-
- if (!verto.options.deviceParams.useMic) {
- verto.options.deviceParams.useMic = "any";
- }
-
- if (!verto.options.deviceParams.useSpeak) {
- verto.options.deviceParams.useSpeak = "any";
- }
-
- if (verto.options.sessid) {
- verto.sessid = verto.options.sessid;
- } else {
- verto.sessid = localStorage.getItem("verto_session_uuid") || generateGUID();
- localStorage.setItem("verto_session_uuid", verto.sessid);
- }
-
- verto.dialogs = {};
- verto.callbacks = callbacks || {};
- verto.eventSUBS = {};
-
- verto.rpcClient = new $.JsonRpcClient({
- login: verto.options.login,
- passwd: verto.options.passwd,
- socketUrl: verto.options.socketUrl,
- wsFallbackURL: verto.options.wsFallbackURL,
- turnServer: verto.options.turnServer,
- loginParams: verto.options.loginParams,
- userVariables: verto.options.userVariables,
- sessid: verto.sessid,
- onmessage: function(e) {
- return verto.handleMessage(e.eventData);
- },
- onWSConnect: function(o) {
- o.call('login', {});
- },
- onWSLogin: function(success) {
- if (verto.callbacks.onWSLogin) {
- verto.callbacks.onWSLogin(verto, success);
- }
- },
- onWSClose: function(success) {
- if (verto.callbacks.onWSClose) {
- verto.callbacks.onWSClose(verto, success);
- }
- verto.purge();
- }
- });
-
- var tag = verto.options.tag;
- if (typeof(tag) === "function") {
- tag = tag();
- }
-
- if (verto.options.ringFile && verto.options.tag) {
- verto.ringer = $("#" + tag);
- }
-
- verto.rpcClient.call('login', {});
-
- };
-
-
- $.verto.prototype.deviceParams = function(obj) {
- var verto = this;
-
- for (var i in obj) {
- verto.options.deviceParams[i] = obj[i];
- }
-
- if (obj.useCamera) {
- $.FSRTC.getValidRes(verto.options.deviceParams.useCamera, obj ? obj.onResCheck : undefined);
- }
- };
-
- $.verto.prototype.videoParams = function(obj) {
- var verto = this;
-
- for (var i in obj) {
- verto.options.videoParams[i] = obj[i];
- }
- };
-
- $.verto.prototype.iceServers = function(obj) {
- var verto = this;
- verto.options.iceServers = obj;
- };
-
- $.verto.prototype.loginData = function(params) {
- var verto = this;
- verto.options.login = params.login;
- verto.options.passwd = params.passwd;
- verto.rpcClient.loginData(params);
- };
-
- $.verto.prototype.logout = function(msg) {
- var verto = this;
- verto.rpcClient.closeSocket();
- if (verto.callbacks.onWSClose) {
- verto.callbacks.onWSClose(verto, false);
- }
- verto.purge();
- };
-
- $.verto.prototype.login = function(msg) {
- var verto = this;
- verto.logout();
- verto.rpcClient.call('login', {});
- };
-
- $.verto.prototype.message = function(msg) {
- var verto = this;
- var err = 0;
-
- if (!msg.to) {
- console.error("Missing To");
- err++;
- }
-
- if (!msg.body) {
- console.error("Missing Body");
- err++;
- }
-
- if (err) {
- return false;
- }
-
- verto.sendMethod("verto.info", {
- msg: msg
- });
-
- return true;
- };
-
- $.verto.prototype.processReply = function(method, success, e) {
- var verto = this;
- var i;
-
- //console.log("Response: " + method, success, e);
-
- switch (method) {
- case "verto.subscribe":
- for (i in e.unauthorizedChannels) {
- drop_bad(verto, e.unauthorizedChannels[i]);
- }
- for (i in e.subscribedChannels) {
- mark_ready(verto, e.subscribedChannels[i]);
- }
-
- break;
- case "verto.unsubscribe":
- //console.error(e);
- break;
- }
- };
-
- $.verto.prototype.sendMethod = function(method, params) {
- var verto = this;
-
- verto.rpcClient.call(method, params,
-
- function(e) {
- /* Success */
- verto.processReply(method, true, e);
- },
-
- function(e) {
- /* Error */
- verto.processReply(method, false, e);
- });
- };
-
- function do_sub(verto, channel, obj) {
-
- }
-
- function drop_bad(verto, channel) {
- console.error("drop unauthorized channel: " + channel);
- delete verto.eventSUBS[channel];
- }
-
- function mark_ready(verto, channel) {
- for (var j in verto.eventSUBS[channel]) {
- verto.eventSUBS[channel][j].ready = true;
- console.log("subscribed to channel: " + channel);
- if (verto.eventSUBS[channel][j].readyHandler) {
- verto.eventSUBS[channel][j].readyHandler(verto, channel);
- }
- }
- }
-
- var SERNO = 1;
-
- function do_subscribe(verto, channel, subChannels, sparams) {
- var params = sparams || {};
-
- var local = params.local;
-
- var obj = {
- eventChannel: channel,
- userData: params.userData,
- handler: params.handler,
- ready: false,
- readyHandler: params.readyHandler,
- serno: SERNO++
- };
-
- var isnew = false;
-
- if (!verto.eventSUBS[channel]) {
- verto.eventSUBS[channel] = [];
- subChannels.push(channel);
- isnew = true;
- }
-
- verto.eventSUBS[channel].push(obj);
-
- if (local) {
- obj.ready = true;
- obj.local = true;
- }
-
- if (!isnew && verto.eventSUBS[channel][0].ready) {
- obj.ready = true;
- if (obj.readyHandler) {
- obj.readyHandler(verto, channel);
- }
- }
-
- return {
- serno: obj.serno,
- eventChannel: channel
- };
-
- }
-
- $.verto.prototype.subscribe = function(channel, sparams) {
- var verto = this;
- var r = [];
- var subChannels = [];
- var params = sparams || {};
-
- if (typeof(channel) === "string") {
- r.push(do_subscribe(verto, channel, subChannels, params));
- } else {
- for (var i in channel) {
- r.push(do_subscribe(verto, channel, subChannels, params));
- }
- }
-
- if (subChannels.length) {
- verto.sendMethod("verto.subscribe", {
- eventChannel: subChannels.length == 1 ? subChannels[0] : subChannels,
- subParams: params.subParams
- });
- }
-
- return r;
- };
-
- $.verto.prototype.unsubscribe = function(handle) {
- var verto = this;
- var i;
-
- if (!handle) {
- for (i in verto.eventSUBS) {
- if (verto.eventSUBS[i]) {
- verto.unsubscribe(verto.eventSUBS[i]);
- }
- }
- } else {
- var unsubChannels = {};
- var sendChannels = [];
- var channel;
-
- if (typeof(handle) == "string") {
- delete verto.eventSUBS[handle];
- unsubChannels[handle]++;
- } else {
- for (i in handle) {
- if (typeof(handle[i]) == "string") {
- channel = handle[i];
- delete verto.eventSUBS[channel];
- unsubChannels[channel]++;
- } else {
- var repl = [];
- channel = handle[i].eventChannel;
-
- for (var j in verto.eventSUBS[channel]) {
- if (verto.eventSUBS[channel][j].serno == handle[i].serno) {} else {
- repl.push(verto.eventSUBS[channel][j]);
- }
- }
-
- verto.eventSUBS[channel] = repl;
-
- if (verto.eventSUBS[channel].length === 0) {
- delete verto.eventSUBS[channel];
- unsubChannels[channel]++;
- }
- }
- }
- }
-
- for (var u in unsubChannels) {
- console.log("Sending Unsubscribe for: ", u);
- sendChannels.push(u);
- }
-
- if (sendChannels.length) {
- verto.sendMethod("verto.unsubscribe", {
- eventChannel: sendChannels.length == 1 ? sendChannels[0] : sendChannels
- });
- }
- }
- };
-
- $.verto.prototype.broadcast = function(channel, params) {
- var verto = this;
- var msg = {
- eventChannel: channel,
- data: {}
- };
- for (var i in params) {
- msg.data[i] = params[i];
- }
- verto.sendMethod("verto.broadcast", msg);
- };
-
- $.verto.prototype.purge = function(callID) {
- var verto = this;
- var x = 0;
- var i;
-
- for (i in verto.dialogs) {
- if (!x) {
- console.log("purging dialogs");
- }
- x++;
- verto.dialogs[i].setState($.verto.enum.state.purge);
- }
-
- for (i in verto.eventSUBS) {
- if (verto.eventSUBS[i]) {
- console.log("purging subscription: " + i);
- delete verto.eventSUBS[i];
- }
- }
- };
-
- $.verto.prototype.hangup = function(callID) {
- var verto = this;
- if (callID) {
- var dialog = verto.dialogs[callID];
-
- if (dialog) {
- dialog.hangup();
- }
- } else {
- for (var i in verto.dialogs) {
- verto.dialogs[i].hangup();
- }
- }
- };
-
- $.verto.prototype.newCall = function(args, callbacks) {
- var verto = this;
-
- if (!verto.rpcClient.socketReady()) {
- console.error("Not Connected...");
- return;
- }
-
- if (args["useCamera"]) {
- verto.options.deviceParams["useCamera"] = args["useCamera"];
- }
-
- var dialog = new $.verto.dialog($.verto.enum.direction.outbound, this, args);
-
- if (callbacks) {
- dialog.callbacks = callbacks;
- }
-
- dialog.invite();
-
- return dialog;
- };
-
- $.verto.prototype.handleMessage = function(data) {
- var verto = this;
-
- if (!(data && data.method)) {
- console.error("Invalid Data", data);
- return;
- }
-
- if (data.params.callID) {
- var dialog = verto.dialogs[data.params.callID];
-
- if (data.method === "verto.attach" && dialog) {
- delete dialog.verto.dialogs[dialog.callID];
- dialog.rtc.stop();
- dialog = null;
- }
-
- if (dialog) {
-
- switch (data.method) {
- case 'verto.bye':
- dialog.hangup(data.params);
- break;
- case 'verto.answer':
- dialog.handleAnswer(data.params);
- break;
- case 'verto.media':
- dialog.handleMedia(data.params);
- break;
- case 'verto.display':
- dialog.handleDisplay(data.params);
- break;
- case 'verto.info':
- dialog.handleInfo(data.params);
- break;
- default:
- console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED", dialog, data.method);
- break;
- }
- } else {
-
- switch (data.method) {
- case 'verto.attach':
- data.params.attach = true;
-
- if (data.params.sdp && data.params.sdp.indexOf("m=video") > 0) {
- data.params.useVideo = true;
- }
-
- if (data.params.sdp && data.params.sdp.indexOf("stereo=1") > 0) {
- data.params.useStereo = true;
- }
-
- dialog = new $.verto.dialog($.verto.enum.direction.inbound, verto, data.params);
- dialog.setState($.verto.enum.state.recovering);
-
- break;
- case 'verto.invite':
-
- if (data.params.sdp && data.params.sdp.indexOf("m=video") > 0) {
- data.params.wantVideo = true;
- }
-
- if (data.params.sdp && data.params.sdp.indexOf("stereo=1") > 0) {
- data.params.useStereo = true;
- }
-
- dialog = new $.verto.dialog($.verto.enum.direction.inbound, verto, data.params);
- break;
- default:
- console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED");
- break;
- }
- }
-
- return {
- method: data.method
- };
- } else {
- switch (data.method) {
- case 'verto.punt':
- verto.purge();
- verto.logout();
- break;
- case 'verto.event':
- var list = null;
- var key = null;
-
- if (data.params) {
- key = data.params.eventChannel;
- }
-
- if (key) {
- list = verto.eventSUBS[key];
-
- if (!list) {
- list = verto.eventSUBS[key.split(".")[0]];
- }
- }
-
- if (!list && key && key === verto.sessid) {
- if (verto.callbacks.onMessage) {
- verto.callbacks.onMessage(verto, null, $.verto.enum.message.pvtEvent, data.params);
- }
- } else if (!list && key && verto.dialogs[key]) {
- verto.dialogs[key].sendMessage($.verto.enum.message.pvtEvent, data.params);
- } else if (!list) {
- if (!key) {
- key = "UNDEFINED";
- }
- console.error("UNSUBBED or invalid EVENT " + key + " IGNORED");
- } else {
- for (var i in list) {
- var sub = list[i];
-
- if (!sub || !sub.ready) {
- console.error("invalid EVENT for " + key + " IGNORED");
- } else if (sub.handler) {
- sub.handler(verto, data.params, sub.userData);
- } else if (verto.callbacks.onEvent) {
- verto.callbacks.onEvent(verto, data.params, sub.userData);
- } else {
- console.log("EVENT:", data.params);
- }
- }
- }
-
- break;
-
- case "verto.info":
- if (verto.callbacks.onMessage) {
- verto.callbacks.onMessage(verto, null, $.verto.enum.message.info, data.params.msg);
- }
- //console.error(data);
- console.debug("MESSAGE from: " + data.params.msg.from, data.params.msg.body);
-
- break;
-
- case 'verto.clientReady':
- if (verto.callbacks.onMessage) {
- verto.callbacks.onMessage(verto, null, $.verto.enum.message.clientReady, data.params);
- }
- console.debug("CLIENT READY", data.params);
- break;
-
- default:
- console.error("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED", data.method);
- break;
- }
- }
- };
-
- var del_array = function(array, name) {
- var r = [];
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- if (array[i] != name) {
- r.push(array[i]);
- }
- }
-
- return r;
- };
-
- var hashArray = function() {
- var vha = this;
-
- var hash = {};
- var array = [];
-
- vha.reorder = function(a) {
- array = a;
- var h = hash;
- hash = {};
-
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- var key = array[i];
- if (h[key]) {
- hash[key] = h[key];
- delete h[key];
- }
- }
- h = undefined;
- };
-
- vha.clear = function() {
- hash = undefined;
- array = undefined;
- hash = {};
- array = [];
- };
-
- vha.add = function(name, val, insertAt) {
- var redraw = false;
-
- if (!hash[name]) {
- if (insertAt === undefined || insertAt < 0 || insertAt >= array.length) {
- array.push(name);
- } else {
- var x = 0;
- var n = [];
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- if (x++==insertAt) {
- n.push(name);
- }
- n.push(array[i]);
- }
-
- array = undefined;
- array = n;
- n = undefined;
- redraw = true;
- }
- }
-
- hash[name] = val;
-
- return redraw;
- };
-
- vha.del = function(name) {
- var r = false;
-
- if (hash[name]) {
- array = del_array(array, name);
- delete hash[name];
- r = true;
- } else {
- console.error("can't del nonexistant key " + name);
- }
-
- return r;
- };
-
- vha.get = function(name) {
- return hash[name];
- };
-
- vha.order = function() {
- return array;
- };
-
- vha.hash = function() {
- return hash;
- };
-
- vha.indexOf = function(name) {
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- if (array[i] == name) {
- return i;
- }
- }
- };
-
- vha.arrayLen = function() {
- return array.length;
- };
-
- vha.asArray = function() {
- var r = [];
-
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- var key = array[i];
- r.push(hash[key]);
- }
-
- return r;
- };
-
- vha.each = function(cb) {
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- cb(array[i], hash[array[i]]);
- }
- };
-
- vha.dump = function(html) {
- var str = "";
-
- vha.each(function(name, val) {
- str += "name: " + name + " val: " + JSON.stringify(val) + (html ? "Play " +
- "Stop " +
- "Record " +
- "Record Stop " +
- (confMan.params.hasVid ? "PNG Snapshot " : "") +
- "
";
-
- jq.html(html);
-
- $.verto.modfuncs.change_video_layout = function(id, canvas_id) {
- var val = $("#" + id + " option:selected").text();
- if (val !== "none") {
- confMan.modCommand("vid-layout", null, [val, canvas_id]);
- }
- };
-
- if (confMan.params.hasVid) {
- for (var j = 0; j < confMan.canvasCount; j++) {
- var vlayout_id = "confman_vid_layout_" + j + "_" + confMan.serno;
- var vlselect_id = "confman_vl_select_" + j + "_" + confMan.serno;
-
-
- var vlhtml = "Video Layout Canvas " + (j+1) +
- "
";
- jq.append(vlhtml);
- }
-
- $("#" + snapshot_id).click(function() {
- var file = prompt("Please enter file name", "");
- if (file) {
- confMan.modCommand("vid-write-png", null, file);
- }
- });
- }
-
- $("#" + play_id).click(function() {
- var file = prompt("Please enter file name", "");
- if (file) {
- confMan.modCommand("play", null, file);
- }
- });
-
- $("#" + stop_id).click(function() {
- confMan.modCommand("stop", null, "all");
- });
-
- $("#" + recording_id).click(function() {
- var file = prompt("Please enter file name", "");
- if (file) {
- confMan.modCommand("recording", null, ["start", file]);
- }
- });
-
- $("#" + rec_stop_id).click(function() {
- confMan.modCommand("recording", null, ["stop", "all"]);
- });
-
- }
-
- function genControls(jq, rowid) {
- var x = parseInt(rowid);
- var kick_id = "kick_" + x;
- var canvas_in_next_id = "canvas_in_next_" + x;
- var canvas_in_prev_id = "canvas_in_prev_" + x;
- var canvas_out_next_id = "canvas_out_next_" + x;
- var canvas_out_prev_id = "canvas_out_prev_" + x;
-
- var canvas_in_set_id = "canvas_in_set_" + x;
- var canvas_out_set_id = "canvas_out_set_" + x;
-
- var layer_set_id = "layer_set_" + x;
- var layer_next_id = "layer_next_" + x;
- var layer_prev_id = "layer_prev_" + x;
-
- var tmute_id = "tmute_" + x;
- var tvmute_id = "tvmute_" + x;
- var vbanner_id = "vbanner_" + x;
- var tvpresenter_id = "tvpresenter_" + x;
- var tvfloor_id = "tvfloor_" + x;
- var box_id = "box_" + x;
- var gainup_id = "gain_in_up" + x;
- var gaindn_id = "gain_in_dn" + x;
- var volup_id = "vol_in_up" + x;
- var voldn_id = "vol_in_dn" + x;
- var transfer_id = "transfer" + x;
-
-
- var html = "";
-
- html += "General Controls
Kick " +
- "Mute " +
- "Gain - " +
- "Gain + " +
- "Vol - " +
- "Vol + " +
- "Transfer ";
-
- if (confMan.params.hasVid) {
- html += "Video Controls VMute " +
- "Presenter " +
- "Vid Floor " +
- "Banner ";
-
- if (confMan.canvasCount > 1) {
- html += "Canvas Controls Set Input Canvas " +
- "Prev Input Canvas " +
- "Next Input Canvas " +
-
- "Set Watching Canvas " +
- "Prev Watching Canvas " +
- "Next Watching Canvas ";
- }
-
- html += "Set Layer " +
- "Prev Layer " +
- "Next Layer " +
-
-
-
- "";
- }
-
- jq.html(html);
-
-
- if (!jq.data("mouse")) {
- $("#" + box_id).hide();
- }
-
- jq.mouseover(function(e) {
- jq.data({"mouse": true});
- $("#" + box_id).show();
- });
-
- jq.mouseout(function(e) {
- jq.data({"mouse": false});
- $("#" + box_id).hide();
- });
-
- $("#" + transfer_id).click(function() {
- var xten = prompt("Enter Extension");
- if (xten) {
- confMan.modCommand("transfer", x, xten);
- }
- });
-
- $("#" + kick_id).click(function() {
- confMan.modCommand("kick", x);
- });
-
-
- $("#" + layer_set_id).click(function() {
- var cid = prompt("Please enter layer ID", "");
- if (cid) {
- confMan.modCommand("vid-layer", x, cid);
- }
- });
-
- $("#" + layer_next_id).click(function() {
- confMan.modCommand("vid-layer", x, "next");
- });
- $("#" + layer_prev_id).click(function() {
- confMan.modCommand("vid-layer", x, "prev");
- });
-
- $("#" + canvas_in_set_id).click(function() {
- var cid = prompt("Please enter canvas ID", "");
- if (cid) {
- confMan.modCommand("vid-canvas", x, cid);
- }
- });
-
- $("#" + canvas_out_set_id).click(function() {
- var cid = prompt("Please enter canvas ID", "");
- if (cid) {
- confMan.modCommand("vid-watching-canvas", x, cid);
- }
- });
-
- $("#" + canvas_in_next_id).click(function() {
- confMan.modCommand("vid-canvas", x, "next");
- });
- $("#" + canvas_in_prev_id).click(function() {
- confMan.modCommand("vid-canvas", x, "prev");
- });
-
-
- $("#" + canvas_out_next_id).click(function() {
- confMan.modCommand("vid-watching-canvas", x, "next");
- });
- $("#" + canvas_out_prev_id).click(function() {
- confMan.modCommand("vid-watching-canvas", x, "prev");
- });
-
- $("#" + tmute_id).click(function() {
- confMan.modCommand("tmute", x);
- });
-
- if (confMan.params.hasVid) {
- $("#" + tvmute_id).click(function() {
- confMan.modCommand("tvmute", x);
- });
- $("#" + tvpresenter_id).click(function() {
- confMan.modCommand("vid-res-id", x, "presenter");
- });
- $("#" + tvfloor_id).click(function() {
- confMan.modCommand("vid-floor", x, "force");
- });
- $("#" + vbanner_id).click(function() {
- var text = prompt("Please enter text", "");
- if (text) {
- confMan.modCommand("vid-banner", x, escape(text));
- }
- });
- }
-
- $("#" + gainup_id).click(function() {
- confMan.modCommand("volume_in", x, "up");
- });
-
- $("#" + gaindn_id).click(function() {
- confMan.modCommand("volume_in", x, "down");
- });
-
- $("#" + volup_id).click(function() {
- confMan.modCommand("volume_out", x, "up");
- });
-
- $("#" + voldn_id).click(function() {
- confMan.modCommand("volume_out", x, "down");
- });
-
- return html;
- }
-
- var atitle = "";
- var awidth = 0;
-
- //$(".jsDataTable").width(confMan.params.hasVid ? "900px" : "800px");
-
- verto.subscribe(confMan.params.laData.infoChannel, {
- handler: function(v, e) {
- if (typeof(confMan.params.infoCallback) === "function") {
- confMan.params.infoCallback(v,e);
- }
- }
- });
-
- verto.subscribe(confMan.params.laData.chatChannel, {
- handler: function(v, e) {
- if (typeof(confMan.params.chatCallback) === "function") {
- confMan.params.chatCallback(v,e);
- }
- }
- });
-
- if (confMan.params.laData.role === "moderator") {
- atitle = "Action";
- awidth = 600;
-
- if (confMan.params.mainModID) {
- genMainMod($(confMan.params.mainModID));
- $(confMan.params.displayID).html("Moderator Controls Ready= 14393 &&
- url.indexOf('?transport=udp') === -1;
- });
-
- delete server.url;
- server.urls = isString ? urls[0] : urls;
- return !!urls.length;
- }
- });
-}
-
-// Determines the intersection of local and remote capabilities.
-function getCommonCapabilities(localCapabilities, remoteCapabilities) {
- var commonCapabilities = {
- codecs: [],
- headerExtensions: [],
- fecMechanisms: []
- };
-
- var findCodecByPayloadType = function(pt, codecs) {
- pt = parseInt(pt, 10);
- for (var i = 0; i < codecs.length; i++) {
- if (codecs[i].payloadType === pt ||
- codecs[i].preferredPayloadType === pt) {
- return codecs[i];
- }
- }
- };
-
- var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) {
- var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);
- var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);
- return lCodec && rCodec &&
- lCodec.name.toLowerCase() === rCodec.name.toLowerCase();
- };
-
- localCapabilities.codecs.forEach(function(lCodec) {
- for (var i = 0; i < remoteCapabilities.codecs.length; i++) {
- var rCodec = remoteCapabilities.codecs[i];
- if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() &&
- lCodec.clockRate === rCodec.clockRate) {
- if (lCodec.name.toLowerCase() === 'rtx' &&
- lCodec.parameters && rCodec.parameters.apt) {
- // for RTX we need to find the local rtx that has a apt
- // which points to the same local codec as the remote one.
- if (!rtxCapabilityMatches(lCodec, rCodec,
- localCapabilities.codecs, remoteCapabilities.codecs)) {
- continue;
- }
- }
- rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy
- // number of channels is the highest common number of channels
- rCodec.numChannels = Math.min(lCodec.numChannels,
- rCodec.numChannels);
- // push rCodec so we reply with offerer payload type
- commonCapabilities.codecs.push(rCodec);
-
- // determine common feedback mechanisms
- rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) {
- for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {
- if (lCodec.rtcpFeedback[j].type === fb.type &&
- lCodec.rtcpFeedback[j].parameter === fb.parameter) {
- return true;
- }
- }
- return false;
- });
- // FIXME: also need to determine .parameters
- // see https://github.com/openpeer/ortc/issues/569
- break;
- }
- }
- });
-
- localCapabilities.headerExtensions.forEach(function(lHeaderExtension) {
- for (var i = 0; i < remoteCapabilities.headerExtensions.length;
- i++) {
- var rHeaderExtension = remoteCapabilities.headerExtensions[i];
- if (lHeaderExtension.uri === rHeaderExtension.uri) {
- commonCapabilities.headerExtensions.push(rHeaderExtension);
- break;
- }
- }
- });
-
- // FIXME: fecMechanisms
- return commonCapabilities;
-}
-
-// is action=setLocalDescription with type allowed in signalingState
-function isActionAllowedInSignalingState(action, type, signalingState) {
- return {
- offer: {
- setLocalDescription: ['stable', 'have-local-offer'],
- setRemoteDescription: ['stable', 'have-remote-offer']
- },
- answer: {
- setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],
- setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']
- }
- }[type][action].indexOf(signalingState) !== -1;
-}
-
-function maybeAddCandidate(iceTransport, candidate) {
- // Edge's internal representation adds some fields therefore
- // not all fieldѕ are taken into account.
- var alreadyAdded = iceTransport.getRemoteCandidates()
- .find(function(remoteCandidate) {
- return candidate.foundation === remoteCandidate.foundation &&
- candidate.ip === remoteCandidate.ip &&
- candidate.port === remoteCandidate.port &&
- candidate.priority === remoteCandidate.priority &&
- candidate.protocol === remoteCandidate.protocol &&
- candidate.type === remoteCandidate.type;
- });
- if (!alreadyAdded) {
- iceTransport.addRemoteCandidate(candidate);
- }
- return !alreadyAdded;
-}
-
-
-// https://w3c.github.io/mediacapture-main/#mediastream
-// Helper function to add the track to the stream and
-// dispatch the event ourselves.
-function addTrackToStreamAndFireEvent(track, stream) {
- stream.addTrack(track);
- var e = new Event('addtrack'); // TODO: MediaStreamTrackEvent
- e.track = track;
- stream.dispatchEvent(e);
-}
-
-function removeTrackFromStreamAndFireEvent(track, stream) {
- stream.removeTrack(track);
- var e = new Event('removetrack'); // TODO: MediaStreamTrackEvent
- e.track = track;
- stream.dispatchEvent(e);
-}
-
-function fireAddTrack(pc, track, receiver, streams) {
- var trackEvent = new Event('track');
- trackEvent.track = track;
- trackEvent.receiver = receiver;
- trackEvent.transceiver = {receiver: receiver};
- trackEvent.streams = streams;
- window.setTimeout(function() {
- pc._dispatchEvent('track', trackEvent);
- });
-}
-
-function makeError(name, description) {
- var e = new Error(description);
- e.name = name;
- return e;
-}
-
-module.exports = function(window, edgeVersion) {
- var RTCPeerConnection = function(config) {
- var pc = this;
-
- var _eventTarget = document.createDocumentFragment();
- ['addEventListener', 'removeEventListener', 'dispatchEvent']
- .forEach(function(method) {
- pc[method] = _eventTarget[method].bind(_eventTarget);
- });
-
- this.canTrickleIceCandidates = null;
-
- this.needNegotiation = false;
-
- this.localStreams = [];
- this.remoteStreams = [];
-
- this.localDescription = null;
- this.remoteDescription = null;
-
- this.signalingState = 'stable';
- this.iceConnectionState = 'new';
- this.iceGatheringState = 'new';
-
- config = JSON.parse(JSON.stringify(config || {}));
-
- this.usingBundle = config.bundlePolicy === 'max-bundle';
- if (config.rtcpMuxPolicy === 'negotiate') {
- throw(makeError('NotSupportedError',
- 'rtcpMuxPolicy \'negotiate\' is not supported'));
- } else if (!config.rtcpMuxPolicy) {
- config.rtcpMuxPolicy = 'require';
- }
-
- switch (config.iceTransportPolicy) {
- case 'all':
- case 'relay':
- break;
- default:
- config.iceTransportPolicy = 'all';
- break;
- }
-
- switch (config.bundlePolicy) {
- case 'balanced':
- case 'max-compat':
- case 'max-bundle':
- break;
- default:
- config.bundlePolicy = 'balanced';
- break;
- }
-
- config.iceServers = filterIceServers(config.iceServers || [], edgeVersion);
-
- this._iceGatherers = [];
- if (config.iceCandidatePoolSize) {
- for (var i = config.iceCandidatePoolSize; i > 0; i--) {
- this._iceGatherers = new window.RTCIceGatherer({
- iceServers: config.iceServers,
- gatherPolicy: config.iceTransportPolicy
- });
- }
- } else {
- config.iceCandidatePoolSize = 0;
- }
-
- this._config = config;
-
- // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...
- // everything that is needed to describe a SDP m-line.
- this.transceivers = [];
-
- this._sdpSessionId = SDPUtils.generateSessionId();
- this._sdpSessionVersion = 0;
-
- this._dtlsRole = undefined; // role for a=setup to use in answers.
-
- this._isClosed = false;
- };
-
- // set up event handlers on prototype
- RTCPeerConnection.prototype.onicecandidate = null;
- RTCPeerConnection.prototype.onaddstream = null;
- RTCPeerConnection.prototype.ontrack = null;
- RTCPeerConnection.prototype.onremovestream = null;
- RTCPeerConnection.prototype.onsignalingstatechange = null;
- RTCPeerConnection.prototype.oniceconnectionstatechange = null;
- RTCPeerConnection.prototype.onicegatheringstatechange = null;
- RTCPeerConnection.prototype.onnegotiationneeded = null;
- RTCPeerConnection.prototype.ondatachannel = null;
-
- RTCPeerConnection.prototype._dispatchEvent = function(name, event) {
- if (this._isClosed) {
- return;
- }
- this.dispatchEvent(event);
- if (typeof this['on' + name] === 'function') {
- this['on' + name](event);
- }
- };
-
- RTCPeerConnection.prototype._emitGatheringStateChange = function() {
- var event = new Event('icegatheringstatechange');
- this._dispatchEvent('icegatheringstatechange', event);
- };
-
- RTCPeerConnection.prototype.getConfiguration = function() {
- return this._config;
- };
-
- RTCPeerConnection.prototype.getLocalStreams = function() {
- return this.localStreams;
- };
-
- RTCPeerConnection.prototype.getRemoteStreams = function() {
- return this.remoteStreams;
- };
-
- // internal helper to create a transceiver object.
- // (whih is not yet the same as the WebRTC 1.0 transceiver)
- RTCPeerConnection.prototype._createTransceiver = function(kind) {
- var hasBundleTransport = this.transceivers.length > 0;
- var transceiver = {
- track: null,
- iceGatherer: null,
- iceTransport: null,
- dtlsTransport: null,
- localCapabilities: null,
- remoteCapabilities: null,
- rtpSender: null,
- rtpReceiver: null,
- kind: kind,
- mid: null,
- sendEncodingParameters: null,
- recvEncodingParameters: null,
- stream: null,
- associatedRemoteMediaStreams: [],
- wantReceive: true
- };
- if (this.usingBundle && hasBundleTransport) {
- transceiver.iceTransport = this.transceivers[0].iceTransport;
- transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;
- } else {
- var transports = this._createIceAndDtlsTransports();
- transceiver.iceTransport = transports.iceTransport;
- transceiver.dtlsTransport = transports.dtlsTransport;
- }
- this.transceivers.push(transceiver);
- return transceiver;
- };
-
- RTCPeerConnection.prototype.addTrack = function(track, stream) {
- var alreadyExists = this.transceivers.find(function(s) {
- return s.track === track;
- });
-
- if (alreadyExists) {
- throw makeError('InvalidAccessError', 'Track already exists.');
- }
-
- if (this.signalingState === 'closed') {
- throw makeError('InvalidStateError',
- 'Attempted to call addTrack on a closed peerconnection.');
- }
-
- var transceiver;
- for (var i = 0; i < this.transceivers.length; i++) {
- if (!this.transceivers[i].track &&
- this.transceivers[i].kind === track.kind) {
- transceiver = this.transceivers[i];
- }
- }
- if (!transceiver) {
- transceiver = this._createTransceiver(track.kind);
- }
-
- this._maybeFireNegotiationNeeded();
-
- if (this.localStreams.indexOf(stream) === -1) {
- this.localStreams.push(stream);
- }
-
- transceiver.track = track;
- transceiver.stream = stream;
- transceiver.rtpSender = new window.RTCRtpSender(track,
- transceiver.dtlsTransport);
- return transceiver.rtpSender;
- };
-
- RTCPeerConnection.prototype.addStream = function(stream) {
- var pc = this;
- if (edgeVersion >= 15025) {
- stream.getTracks().forEach(function(track) {
- pc.addTrack(track, stream);
- });
- } else {
- // Clone is necessary for local demos mostly, attaching directly
- // to two different senders does not work (build 10547).
- // Fixed in 15025 (or earlier)
- var clonedStream = stream.clone();
- stream.getTracks().forEach(function(track, idx) {
- var clonedTrack = clonedStream.getTracks()[idx];
- track.addEventListener('enabled', function(event) {
- clonedTrack.enabled = event.enabled;
- });
- });
- clonedStream.getTracks().forEach(function(track) {
- pc.addTrack(track, clonedStream);
- });
- }
- };
-
- RTCPeerConnection.prototype.removeTrack = function(sender) {
- if (!(sender instanceof window.RTCRtpSender)) {
- throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' +
- 'does not implement interface RTCRtpSender.');
- }
-
- var transceiver = this.transceivers.find(function(t) {
- return t.rtpSender === sender;
- });
-
- if (!transceiver) {
- throw makeError('InvalidAccessError',
- 'Sender was not created by this connection.');
- }
- var stream = transceiver.stream;
-
- transceiver.rtpSender.stop();
- transceiver.rtpSender = null;
- transceiver.track = null;
- transceiver.stream = null;
-
- // remove the stream from the set of local streams
- var localStreams = this.transceivers.map(function(t) {
- return t.stream;
- });
- if (localStreams.indexOf(stream) === -1 &&
- this.localStreams.indexOf(stream) > -1) {
- this.localStreams.splice(this.localStreams.indexOf(stream), 1);
- }
-
- this._maybeFireNegotiationNeeded();
- };
-
- RTCPeerConnection.prototype.removeStream = function(stream) {
- var pc = this;
- stream.getTracks().forEach(function(track) {
- var sender = pc.getSenders().find(function(s) {
- return s.track === track;
- });
- if (sender) {
- pc.removeTrack(sender);
- }
- });
- };
-
- RTCPeerConnection.prototype.getSenders = function() {
- return this.transceivers.filter(function(transceiver) {
- return !!transceiver.rtpSender;
- })
- .map(function(transceiver) {
- return transceiver.rtpSender;
- });
- };
-
- RTCPeerConnection.prototype.getReceivers = function() {
- return this.transceivers.filter(function(transceiver) {
- return !!transceiver.rtpReceiver;
- })
- .map(function(transceiver) {
- return transceiver.rtpReceiver;
- });
- };
-
-
- RTCPeerConnection.prototype._createIceGatherer = function(sdpMLineIndex,
- usingBundle) {
- var pc = this;
- if (usingBundle && sdpMLineIndex > 0) {
- return this.transceivers[0].iceGatherer;
- } else if (this._iceGatherers.length) {
- return this._iceGatherers.shift();
- }
- var iceGatherer = new window.RTCIceGatherer({
- iceServers: this._config.iceServers,
- gatherPolicy: this._config.iceTransportPolicy
- });
- Object.defineProperty(iceGatherer, 'state',
- {value: 'new', writable: true}
- );
-
- this.transceivers[sdpMLineIndex].candidates = [];
- this.transceivers[sdpMLineIndex].bufferCandidates = function(event) {
- var end = !event.candidate || Object.keys(event.candidate).length === 0;
- // polyfill since RTCIceGatherer.state is not implemented in
- // Edge 10547 yet.
- iceGatherer.state = end ? 'completed' : 'gathering';
- if (pc.transceivers[sdpMLineIndex].candidates !== null) {
- pc.transceivers[sdpMLineIndex].candidates.push(event.candidate);
- }
- };
- iceGatherer.addEventListener('localcandidate',
- this.transceivers[sdpMLineIndex].bufferCandidates);
- return iceGatherer;
- };
-
- // start gathering from an RTCIceGatherer.
- RTCPeerConnection.prototype._gather = function(mid, sdpMLineIndex) {
- var pc = this;
- var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
- if (iceGatherer.onlocalcandidate) {
- return;
- }
- var candidates = this.transceivers[sdpMLineIndex].candidates;
- this.transceivers[sdpMLineIndex].candidates = null;
- iceGatherer.removeEventListener('localcandidate',
- this.transceivers[sdpMLineIndex].bufferCandidates);
- iceGatherer.onlocalcandidate = function(evt) {
- if (pc.usingBundle && sdpMLineIndex > 0) {
- // if we know that we use bundle we can drop candidates with
- // Ñ•dpMLineIndex > 0. If we don't do this then our state gets
- // confused since we dispose the extra ice gatherer.
- return;
- }
- var event = new Event('icecandidate');
- event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex};
-
- var cand = evt.candidate;
- // Edge emits an empty object for RTCIceCandidateComplete‥
- var end = !cand || Object.keys(cand).length === 0;
- if (end) {
- // polyfill since RTCIceGatherer.state is not implemented in
- // Edge 10547 yet.
- if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') {
- iceGatherer.state = 'completed';
- }
- } else {
- if (iceGatherer.state === 'new') {
- iceGatherer.state = 'gathering';
- }
- // RTCIceCandidate doesn't have a component, needs to be added
- cand.component = 1;
- event.candidate.candidate = SDPUtils.writeCandidate(cand);
- }
-
- // update local description.
- var sections = SDPUtils.splitSections(pc.localDescription.sdp);
- if (!end) {
- sections[event.candidate.sdpMLineIndex + 1] +=
- 'a=' + event.candidate.candidate + '\r\n';
- } else {
- sections[event.candidate.sdpMLineIndex + 1] +=
- 'a=end-of-candidates\r\n';
- }
- pc.localDescription.sdp = sections.join('');
- var complete = pc.transceivers.every(function(transceiver) {
- return transceiver.iceGatherer &&
- transceiver.iceGatherer.state === 'completed';
- });
-
- if (pc.iceGatheringState !== 'gathering') {
- pc.iceGatheringState = 'gathering';
- pc._emitGatheringStateChange();
- }
-
- // Emit candidate. Also emit null candidate when all gatherers are
- // complete.
- if (!end) {
- pc._dispatchEvent('icecandidate', event);
- }
- if (complete) {
- pc._dispatchEvent('icecandidate', new Event('icecandidate'));
- pc.iceGatheringState = 'complete';
- pc._emitGatheringStateChange();
- }
- };
-
- // emit already gathered candidates.
- window.setTimeout(function() {
- candidates.forEach(function(candidate) {
- var e = new Event('RTCIceGatherEvent');
- e.candidate = candidate;
- iceGatherer.onlocalcandidate(e);
- });
- }, 0);
- };
-
- // Create ICE transport and DTLS transport.
- RTCPeerConnection.prototype._createIceAndDtlsTransports = function() {
- var pc = this;
- var iceTransport = new window.RTCIceTransport(null);
- iceTransport.onicestatechange = function() {
- pc._updateConnectionState();
- };
-
- var dtlsTransport = new window.RTCDtlsTransport(iceTransport);
- dtlsTransport.ondtlsstatechange = function() {
- pc._updateConnectionState();
- };
- dtlsTransport.onerror = function() {
- // onerror does not set state to failed by itpc.
- Object.defineProperty(dtlsTransport, 'state',
- {value: 'failed', writable: true});
- pc._updateConnectionState();
- };
-
- return {
- iceTransport: iceTransport,
- dtlsTransport: dtlsTransport
- };
- };
-
- // Destroy ICE gatherer, ICE transport and DTLS transport.
- // Without triggering the callbacks.
- RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function(
- sdpMLineIndex) {
- var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
- if (iceGatherer) {
- delete iceGatherer.onlocalcandidate;
- delete this.transceivers[sdpMLineIndex].iceGatherer;
- }
- var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;
- if (iceTransport) {
- delete iceTransport.onicestatechange;
- delete this.transceivers[sdpMLineIndex].iceTransport;
- }
- var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;
- if (dtlsTransport) {
- delete dtlsTransport.ondtlsstatechange;
- delete dtlsTransport.onerror;
- delete this.transceivers[sdpMLineIndex].dtlsTransport;
- }
- };
-
- // Start the RTP Sender and Receiver for a transceiver.
- RTCPeerConnection.prototype._transceive = function(transceiver,
- send, recv) {
- var params = getCommonCapabilities(transceiver.localCapabilities,
- transceiver.remoteCapabilities);
- if (send && transceiver.rtpSender) {
- params.encodings = transceiver.sendEncodingParameters;
- params.rtcp = {
- cname: SDPUtils.localCName,
- compound: transceiver.rtcpParameters.compound
- };
- if (transceiver.recvEncodingParameters.length) {
- params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;
- }
- transceiver.rtpSender.send(params);
- }
- if (recv && transceiver.rtpReceiver && params.codecs.length > 0) {
- // remove RTX field in Edge 14942
- if (transceiver.kind === 'video'
- && transceiver.recvEncodingParameters
- && edgeVersion < 15019) {
- transceiver.recvEncodingParameters.forEach(function(p) {
- delete p.rtx;
- });
- }
- if (transceiver.recvEncodingParameters.length) {
- params.encodings = transceiver.recvEncodingParameters;
- }
- params.rtcp = {
- compound: transceiver.rtcpParameters.compound
- };
- if (transceiver.rtcpParameters.cname) {
- params.rtcp.cname = transceiver.rtcpParameters.cname;
- }
- if (transceiver.sendEncodingParameters.length) {
- params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;
- }
- transceiver.rtpReceiver.receive(params);
- }
- };
-
- RTCPeerConnection.prototype.setLocalDescription = function(description) {
- var pc = this;
-
- if (!isActionAllowedInSignalingState('setLocalDescription',
- description.type, this.signalingState) || this._isClosed) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not set local ' + description.type +
- ' in state ' + pc.signalingState));
- }
-
- var sections;
- var sessionpart;
- if (description.type === 'offer') {
- // VERY limited support for SDP munging. Limited to:
- // * changing the order of codecs
- sections = SDPUtils.splitSections(description.sdp);
- sessionpart = sections.shift();
- sections.forEach(function(mediaSection, sdpMLineIndex) {
- var caps = SDPUtils.parseRtpParameters(mediaSection);
- pc.transceivers[sdpMLineIndex].localCapabilities = caps;
- });
-
- this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
- pc._gather(transceiver.mid, sdpMLineIndex);
- });
- } else if (description.type === 'answer') {
- sections = SDPUtils.splitSections(pc.remoteDescription.sdp);
- sessionpart = sections.shift();
- var isIceLite = SDPUtils.matchPrefix(sessionpart,
- 'a=ice-lite').length > 0;
- sections.forEach(function(mediaSection, sdpMLineIndex) {
- var transceiver = pc.transceivers[sdpMLineIndex];
- var iceGatherer = transceiver.iceGatherer;
- var iceTransport = transceiver.iceTransport;
- var dtlsTransport = transceiver.dtlsTransport;
- var localCapabilities = transceiver.localCapabilities;
- var remoteCapabilities = transceiver.remoteCapabilities;
-
- // treat bundle-only as not-rejected.
- var rejected = SDPUtils.isRejected(mediaSection) &&
- SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
-
- if (!rejected && !transceiver.isDatachannel) {
- var remoteIceParameters = SDPUtils.getIceParameters(
- mediaSection, sessionpart);
- var remoteDtlsParameters = SDPUtils.getDtlsParameters(
- mediaSection, sessionpart);
- if (isIceLite) {
- remoteDtlsParameters.role = 'server';
- }
-
- if (!pc.usingBundle || sdpMLineIndex === 0) {
- pc._gather(transceiver.mid, sdpMLineIndex);
- if (iceTransport.state === 'new') {
- iceTransport.start(iceGatherer, remoteIceParameters,
- isIceLite ? 'controlling' : 'controlled');
- }
- if (dtlsTransport.state === 'new') {
- dtlsTransport.start(remoteDtlsParameters);
- }
- }
-
- // Calculate intersection of capabilities.
- var params = getCommonCapabilities(localCapabilities,
- remoteCapabilities);
-
- // Start the RTCRtpSender. The RTCRtpReceiver for this
- // transceiver has already been started in setRemoteDescription.
- pc._transceive(transceiver,
- params.codecs.length > 0,
- false);
- }
- });
- }
-
- this.localDescription = {
- type: description.type,
- sdp: description.sdp
- };
- switch (description.type) {
- case 'offer':
- this._updateSignalingState('have-local-offer');
- break;
- case 'answer':
- this._updateSignalingState('stable');
- break;
- default:
- throw new TypeError('unsupported type "' + description.type +
- '"');
- }
-
- return Promise.resolve();
- };
-
- RTCPeerConnection.prototype.setRemoteDescription = function(description) {
- var pc = this;
-
- if (!isActionAllowedInSignalingState('setRemoteDescription',
- description.type, this.signalingState) || this._isClosed) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not set remote ' + description.type +
- ' in state ' + pc.signalingState));
- }
-
- var streams = {};
- this.remoteStreams.forEach(function(stream) {
- streams[stream.id] = stream;
- });
- var receiverList = [];
- var sections = SDPUtils.splitSections(description.sdp);
- var sessionpart = sections.shift();
- var isIceLite = SDPUtils.matchPrefix(sessionpart,
- 'a=ice-lite').length > 0;
- var usingBundle = SDPUtils.matchPrefix(sessionpart,
- 'a=group:BUNDLE ').length > 0;
- this.usingBundle = usingBundle;
- var iceOptions = SDPUtils.matchPrefix(sessionpart,
- 'a=ice-options:')[0];
- if (iceOptions) {
- this.canTrickleIceCandidates = iceOptions.substr(14).split(' ')
- .indexOf('trickle') >= 0;
- } else {
- this.canTrickleIceCandidates = false;
- }
-
- sections.forEach(function(mediaSection, sdpMLineIndex) {
- var lines = SDPUtils.splitLines(mediaSection);
- var kind = SDPUtils.getKind(mediaSection);
- // treat bundle-only as not-rejected.
- var rejected = SDPUtils.isRejected(mediaSection) &&
- SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
- var protocol = lines[0].substr(2).split(' ')[2];
-
- var direction = SDPUtils.getDirection(mediaSection, sessionpart);
- var remoteMsid = SDPUtils.parseMsid(mediaSection);
-
- var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier();
-
- // Reject datachannels which are not implemented yet.
- if (kind === 'application' && protocol === 'DTLS/SCTP') {
- pc.transceivers[sdpMLineIndex] = {
- mid: mid,
- isDatachannel: true
- };
- return;
- }
-
- var transceiver;
- var iceGatherer;
- var iceTransport;
- var dtlsTransport;
- var rtpReceiver;
- var sendEncodingParameters;
- var recvEncodingParameters;
- var localCapabilities;
-
- var track;
- // FIXME: ensure the mediaSection has rtcp-mux set.
- var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);
- var remoteIceParameters;
- var remoteDtlsParameters;
- if (!rejected) {
- remoteIceParameters = SDPUtils.getIceParameters(mediaSection,
- sessionpart);
- remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection,
- sessionpart);
- remoteDtlsParameters.role = 'client';
- }
- recvEncodingParameters =
- SDPUtils.parseRtpEncodingParameters(mediaSection);
-
- var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);
-
- var isComplete = SDPUtils.matchPrefix(mediaSection,
- 'a=end-of-candidates', sessionpart).length > 0;
- var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')
- .map(function(cand) {
- return SDPUtils.parseCandidate(cand);
- })
- .filter(function(cand) {
- return cand.component === 1;
- });
-
- // Check if we can use BUNDLE and dispose transports.
- if ((description.type === 'offer' || description.type === 'answer') &&
- !rejected && usingBundle && sdpMLineIndex > 0 &&
- pc.transceivers[sdpMLineIndex]) {
- pc._disposeIceAndDtlsTransports(sdpMLineIndex);
- pc.transceivers[sdpMLineIndex].iceGatherer =
- pc.transceivers[0].iceGatherer;
- pc.transceivers[sdpMLineIndex].iceTransport =
- pc.transceivers[0].iceTransport;
- pc.transceivers[sdpMLineIndex].dtlsTransport =
- pc.transceivers[0].dtlsTransport;
- if (pc.transceivers[sdpMLineIndex].rtpSender) {
- pc.transceivers[sdpMLineIndex].rtpSender.setTransport(
- pc.transceivers[0].dtlsTransport);
- }
- if (pc.transceivers[sdpMLineIndex].rtpReceiver) {
- pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(
- pc.transceivers[0].dtlsTransport);
- }
- }
- if (description.type === 'offer' && !rejected) {
- transceiver = pc.transceivers[sdpMLineIndex] ||
- pc._createTransceiver(kind);
- transceiver.mid = mid;
-
- if (!transceiver.iceGatherer) {
- transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
- usingBundle);
- }
-
- if (cands.length && transceiver.iceTransport.state === 'new') {
- if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {
- transceiver.iceTransport.setRemoteCandidates(cands);
- } else {
- cands.forEach(function(candidate) {
- maybeAddCandidate(transceiver.iceTransport, candidate);
- });
- }
- }
-
- localCapabilities = window.RTCRtpReceiver.getCapabilities(kind);
-
- // filter RTX until additional stuff needed for RTX is implemented
- // in adapter.js
- if (edgeVersion < 15019) {
- localCapabilities.codecs = localCapabilities.codecs.filter(
- function(codec) {
- return codec.name !== 'rtx';
- });
- }
-
- sendEncodingParameters = transceiver.sendEncodingParameters || [{
- ssrc: (2 * sdpMLineIndex + 2) * 1001
- }];
-
- // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
- var isNewTrack = false;
- if (direction === 'sendrecv' || direction === 'sendonly') {
- isNewTrack = !transceiver.rtpReceiver;
- rtpReceiver = transceiver.rtpReceiver ||
- new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);
-
- if (isNewTrack) {
- var stream;
- track = rtpReceiver.track;
- // FIXME: does not work with Plan B.
- if (remoteMsid && remoteMsid.stream === '-') {
- // no-op. a stream id of '-' means: no associated stream.
- } else if (remoteMsid) {
- if (!streams[remoteMsid.stream]) {
- streams[remoteMsid.stream] = new window.MediaStream();
- Object.defineProperty(streams[remoteMsid.stream], 'id', {
- get: function() {
- return remoteMsid.stream;
- }
- });
- }
- Object.defineProperty(track, 'id', {
- get: function() {
- return remoteMsid.track;
- }
- });
- stream = streams[remoteMsid.stream];
- } else {
- if (!streams.default) {
- streams.default = new window.MediaStream();
- }
- stream = streams.default;
- }
- if (stream) {
- addTrackToStreamAndFireEvent(track, stream);
- transceiver.associatedRemoteMediaStreams.push(stream);
- }
- receiverList.push([track, rtpReceiver, stream]);
- }
- } else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) {
- transceiver.associatedRemoteMediaStreams.forEach(function(s) {
- var nativeTrack = s.getTracks().find(function(t) {
- return t.id === transceiver.rtpReceiver.track.id;
- });
- if (nativeTrack) {
- removeTrackFromStreamAndFireEvent(nativeTrack, s);
- }
- });
- transceiver.associatedRemoteMediaStreams = [];
- }
-
- transceiver.localCapabilities = localCapabilities;
- transceiver.remoteCapabilities = remoteCapabilities;
- transceiver.rtpReceiver = rtpReceiver;
- transceiver.rtcpParameters = rtcpParameters;
- transceiver.sendEncodingParameters = sendEncodingParameters;
- transceiver.recvEncodingParameters = recvEncodingParameters;
-
- // Start the RTCRtpReceiver now. The RTPSender is started in
- // setLocalDescription.
- pc._transceive(pc.transceivers[sdpMLineIndex],
- false,
- isNewTrack);
- } else if (description.type === 'answer' && !rejected) {
- transceiver = pc.transceivers[sdpMLineIndex];
- iceGatherer = transceiver.iceGatherer;
- iceTransport = transceiver.iceTransport;
- dtlsTransport = transceiver.dtlsTransport;
- rtpReceiver = transceiver.rtpReceiver;
- sendEncodingParameters = transceiver.sendEncodingParameters;
- localCapabilities = transceiver.localCapabilities;
-
- pc.transceivers[sdpMLineIndex].recvEncodingParameters =
- recvEncodingParameters;
- pc.transceivers[sdpMLineIndex].remoteCapabilities =
- remoteCapabilities;
- pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;
-
- if (cands.length && iceTransport.state === 'new') {
- if ((isIceLite || isComplete) &&
- (!usingBundle || sdpMLineIndex === 0)) {
- iceTransport.setRemoteCandidates(cands);
- } else {
- cands.forEach(function(candidate) {
- maybeAddCandidate(transceiver.iceTransport, candidate);
- });
- }
- }
-
- if (!usingBundle || sdpMLineIndex === 0) {
- if (iceTransport.state === 'new') {
- iceTransport.start(iceGatherer, remoteIceParameters,
- 'controlling');
- }
- if (dtlsTransport.state === 'new') {
- dtlsTransport.start(remoteDtlsParameters);
- }
- }
-
- pc._transceive(transceiver,
- direction === 'sendrecv' || direction === 'recvonly',
- direction === 'sendrecv' || direction === 'sendonly');
-
- // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
- if (rtpReceiver &&
- (direction === 'sendrecv' || direction === 'sendonly')) {
- track = rtpReceiver.track;
- if (remoteMsid) {
- if (!streams[remoteMsid.stream]) {
- streams[remoteMsid.stream] = new window.MediaStream();
- }
- addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]);
- receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);
- } else {
- if (!streams.default) {
- streams.default = new window.MediaStream();
- }
- addTrackToStreamAndFireEvent(track, streams.default);
- receiverList.push([track, rtpReceiver, streams.default]);
- }
- } else {
- // FIXME: actually the receiver should be created later.
- delete transceiver.rtpReceiver;
- }
- }
- });
-
- if (this._dtlsRole === undefined) {
- this._dtlsRole = description.type === 'offer' ? 'active' : 'passive';
- }
-
- this.remoteDescription = {
- type: description.type,
- sdp: description.sdp
- };
- switch (description.type) {
- case 'offer':
- this._updateSignalingState('have-remote-offer');
- break;
- case 'answer':
- this._updateSignalingState('stable');
- break;
- default:
- throw new TypeError('unsupported type "' + description.type +
- '"');
- }
- Object.keys(streams).forEach(function(sid) {
- var stream = streams[sid];
- if (stream.getTracks().length) {
- if (pc.remoteStreams.indexOf(stream) === -1) {
- pc.remoteStreams.push(stream);
- var event = new Event('addstream');
- event.stream = stream;
- window.setTimeout(function() {
- pc._dispatchEvent('addstream', event);
- });
- }
-
- receiverList.forEach(function(item) {
- var track = item[0];
- var receiver = item[1];
- if (stream.id !== item[2].id) {
- return;
- }
- fireAddTrack(pc, track, receiver, [stream]);
- });
- }
- });
- receiverList.forEach(function(item) {
- if (item[2]) {
- return;
- }
- fireAddTrack(pc, item[0], item[1], []);
- });
-
- // check whether addIceCandidate({}) was called within four seconds after
- // setRemoteDescription.
- window.setTimeout(function() {
- if (!(pc && pc.transceivers)) {
- return;
- }
- pc.transceivers.forEach(function(transceiver) {
- if (transceiver.iceTransport &&
- transceiver.iceTransport.state === 'new' &&
- transceiver.iceTransport.getRemoteCandidates().length > 0) {
- console.warn('Timeout for addRemoteCandidate. Consider sending ' +
- 'an end-of-candidates notification');
- transceiver.iceTransport.addRemoteCandidate({});
- }
- });
- }, 4000);
-
- return Promise.resolve();
- };
-
- RTCPeerConnection.prototype.close = function() {
- this.transceivers.forEach(function(transceiver) {
- /* not yet
- if (transceiver.iceGatherer) {
- transceiver.iceGatherer.close();
- }
- */
- if (transceiver.iceTransport) {
- transceiver.iceTransport.stop();
- }
- if (transceiver.dtlsTransport) {
- transceiver.dtlsTransport.stop();
- }
- if (transceiver.rtpSender) {
- transceiver.rtpSender.stop();
- }
- if (transceiver.rtpReceiver) {
- transceiver.rtpReceiver.stop();
- }
- });
- // FIXME: clean up tracks, local streams, remote streams, etc
- this._isClosed = true;
- this._updateSignalingState('closed');
- };
-
- // Update the signaling state.
- RTCPeerConnection.prototype._updateSignalingState = function(newState) {
- this.signalingState = newState;
- var event = new Event('signalingstatechange');
- this._dispatchEvent('signalingstatechange', event);
- };
-
- // Determine whether to fire the negotiationneeded event.
- RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() {
- var pc = this;
- if (this.signalingState !== 'stable' || this.needNegotiation === true) {
- return;
- }
- this.needNegotiation = true;
- window.setTimeout(function() {
- if (pc.needNegotiation === false) {
- return;
- }
- pc.needNegotiation = false;
- var event = new Event('negotiationneeded');
- pc._dispatchEvent('negotiationneeded', event);
- }, 0);
- };
-
- // Update the connection state.
- RTCPeerConnection.prototype._updateConnectionState = function() {
- var newState;
- var states = {
- 'new': 0,
- closed: 0,
- connecting: 0,
- checking: 0,
- connected: 0,
- completed: 0,
- disconnected: 0,
- failed: 0
- };
- this.transceivers.forEach(function(transceiver) {
- states[transceiver.iceTransport.state]++;
- states[transceiver.dtlsTransport.state]++;
- });
- // ICETransport.completed and connected are the same for this purpose.
- states.connected += states.completed;
-
- newState = 'new';
- if (states.failed > 0) {
- newState = 'failed';
- } else if (states.connecting > 0 || states.checking > 0) {
- newState = 'connecting';
- } else if (states.disconnected > 0) {
- newState = 'disconnected';
- } else if (states.new > 0) {
- newState = 'new';
- } else if (states.connected > 0 || states.completed > 0) {
- newState = 'connected';
- }
-
- if (newState !== this.iceConnectionState) {
- this.iceConnectionState = newState;
- var event = new Event('iceconnectionstatechange');
- this._dispatchEvent('iceconnectionstatechange', event);
- }
- };
-
- RTCPeerConnection.prototype.createOffer = function() {
- var pc = this;
-
- if (this._isClosed) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not call createOffer after close'));
- }
-
- var numAudioTracks = this.transceivers.filter(function(t) {
- return t.kind === 'audio';
- }).length;
- var numVideoTracks = this.transceivers.filter(function(t) {
- return t.kind === 'video';
- }).length;
-
- // Determine number of audio and video tracks we need to send/recv.
- var offerOptions = arguments[0];
- if (offerOptions) {
- // Reject Chrome legacy constraints.
- if (offerOptions.mandatory || offerOptions.optional) {
- throw new TypeError(
- 'Legacy mandatory/optional constraints not supported.');
- }
- if (offerOptions.offerToReceiveAudio !== undefined) {
- if (offerOptions.offerToReceiveAudio === true) {
- numAudioTracks = 1;
- } else if (offerOptions.offerToReceiveAudio === false) {
- numAudioTracks = 0;
- } else {
- numAudioTracks = offerOptions.offerToReceiveAudio;
- }
- }
- if (offerOptions.offerToReceiveVideo !== undefined) {
- if (offerOptions.offerToReceiveVideo === true) {
- numVideoTracks = 1;
- } else if (offerOptions.offerToReceiveVideo === false) {
- numVideoTracks = 0;
- } else {
- numVideoTracks = offerOptions.offerToReceiveVideo;
- }
- }
- }
-
- this.transceivers.forEach(function(transceiver) {
- if (transceiver.kind === 'audio') {
- numAudioTracks--;
- if (numAudioTracks < 0) {
- transceiver.wantReceive = false;
- }
- } else if (transceiver.kind === 'video') {
- numVideoTracks--;
- if (numVideoTracks < 0) {
- transceiver.wantReceive = false;
- }
- }
- });
-
- // Create M-lines for recvonly streams.
- while (numAudioTracks > 0 || numVideoTracks > 0) {
- if (numAudioTracks > 0) {
- this._createTransceiver('audio');
- numAudioTracks--;
- }
- if (numVideoTracks > 0) {
- this._createTransceiver('video');
- numVideoTracks--;
- }
- }
-
- var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId,
- this._sdpSessionVersion++);
- this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
- // For each track, create an ice gatherer, ice transport,
- // dtls transport, potentially rtpsender and rtpreceiver.
- var track = transceiver.track;
- var kind = transceiver.kind;
- var mid = SDPUtils.generateIdentifier();
- transceiver.mid = mid;
-
- if (!transceiver.iceGatherer) {
- transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
- pc.usingBundle);
- }
-
- var localCapabilities = window.RTCRtpSender.getCapabilities(kind);
- // filter RTX until additional stuff needed for RTX is implemented
- // in adapter.js
- if (edgeVersion < 15019) {
- localCapabilities.codecs = localCapabilities.codecs.filter(
- function(codec) {
- return codec.name !== 'rtx';
- });
- }
- localCapabilities.codecs.forEach(function(codec) {
- // work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552
- // by adding level-asymmetry-allowed=1
- if (codec.name === 'H264' &&
- codec.parameters['level-asymmetry-allowed'] === undefined) {
- codec.parameters['level-asymmetry-allowed'] = '1';
- }
- });
-
- // generate an ssrc now, to be used later in rtpSender.send
- var sendEncodingParameters = transceiver.sendEncodingParameters || [{
- ssrc: (2 * sdpMLineIndex + 1) * 1001
- }];
- if (track) {
- // add RTX
- if (edgeVersion >= 15019 && kind === 'video' &&
- !sendEncodingParameters[0].rtx) {
- sendEncodingParameters[0].rtx = {
- ssrc: sendEncodingParameters[0].ssrc + 1
- };
- }
- }
-
- if (transceiver.wantReceive) {
- transceiver.rtpReceiver = new window.RTCRtpReceiver(
- transceiver.dtlsTransport, kind);
- }
-
- transceiver.localCapabilities = localCapabilities;
- transceiver.sendEncodingParameters = sendEncodingParameters;
- });
-
- // always offer BUNDLE and dispose on return if not supported.
- if (this._config.bundlePolicy !== 'max-compat') {
- sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
- return t.mid;
- }).join(' ') + '\r\n';
- }
- sdp += 'a=ice-options:trickle\r\n';
-
- this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
- sdp += writeMediaSection(transceiver, transceiver.localCapabilities,
- 'offer', transceiver.stream, pc._dtlsRole);
- sdp += 'a=rtcp-rsize\r\n';
-
- if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' &&
- (sdpMLineIndex === 0 || !pc.usingBundle)) {
- transceiver.iceGatherer.getLocalCandidates().forEach(function(cand) {
- cand.component = 1;
- sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\r\n';
- });
-
- if (transceiver.iceGatherer.state === 'completed') {
- sdp += 'a=end-of-candidates\r\n';
- }
- }
- });
-
- var desc = new window.RTCSessionDescription({
- type: 'offer',
- sdp: sdp
- });
- return Promise.resolve(desc);
- };
-
- RTCPeerConnection.prototype.createAnswer = function() {
- var pc = this;
-
- if (this._isClosed) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not call createAnswer after close'));
- }
-
- var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId,
- this._sdpSessionVersion++);
- if (this.usingBundle) {
- sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
- return t.mid;
- }).join(' ') + '\r\n';
- }
- var mediaSectionsInOffer = SDPUtils.splitSections(
- this.remoteDescription.sdp).length - 1;
- this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
- if (sdpMLineIndex + 1 > mediaSectionsInOffer) {
- return;
- }
- if (transceiver.isDatachannel) {
- sdp += 'm=application 0 DTLS/SCTP 5000\r\n' +
- 'c=IN IP4 0.0.0.0\r\n' +
- 'a=mid:' + transceiver.mid + '\r\n';
- return;
- }
-
- // FIXME: look at direction.
- if (transceiver.stream) {
- var localTrack;
- if (transceiver.kind === 'audio') {
- localTrack = transceiver.stream.getAudioTracks()[0];
- } else if (transceiver.kind === 'video') {
- localTrack = transceiver.stream.getVideoTracks()[0];
- }
- if (localTrack) {
- // add RTX
- if (edgeVersion >= 15019 && transceiver.kind === 'video' &&
- !transceiver.sendEncodingParameters[0].rtx) {
- transceiver.sendEncodingParameters[0].rtx = {
- ssrc: transceiver.sendEncodingParameters[0].ssrc + 1
- };
- }
- }
- }
-
- // Calculate intersection of capabilities.
- var commonCapabilities = getCommonCapabilities(
- transceiver.localCapabilities,
- transceiver.remoteCapabilities);
-
- var hasRtx = commonCapabilities.codecs.filter(function(c) {
- return c.name.toLowerCase() === 'rtx';
- }).length;
- if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {
- delete transceiver.sendEncodingParameters[0].rtx;
- }
-
- sdp += writeMediaSection(transceiver, commonCapabilities,
- 'answer', transceiver.stream, pc._dtlsRole);
- if (transceiver.rtcpParameters &&
- transceiver.rtcpParameters.reducedSize) {
- sdp += 'a=rtcp-rsize\r\n';
- }
- });
-
- var desc = new window.RTCSessionDescription({
- type: 'answer',
- sdp: sdp
- });
- return Promise.resolve(desc);
- };
-
- RTCPeerConnection.prototype.addIceCandidate = function(candidate) {
- var sections;
- if (!candidate || candidate.candidate === '') {
- for (var j = 0; j < this.transceivers.length; j++) {
- if (this.transceivers[j].isDatachannel) {
- continue;
- }
- this.transceivers[j].iceTransport.addRemoteCandidate({});
- sections = SDPUtils.splitSections(this.remoteDescription.sdp);
- sections[j + 1] += 'a=end-of-candidates\r\n';
- this.remoteDescription.sdp = sections.join('');
- if (this.usingBundle) {
- break;
- }
- }
- } else if (!(candidate.sdpMLineIndex !== undefined || candidate.sdpMid)) {
- throw new TypeError('sdpMLineIndex or sdpMid required');
- } else if (!this.remoteDescription) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not add ICE candidate without a remote description'));
- } else {
- var sdpMLineIndex = candidate.sdpMLineIndex;
- if (candidate.sdpMid) {
- for (var i = 0; i < this.transceivers.length; i++) {
- if (this.transceivers[i].mid === candidate.sdpMid) {
- sdpMLineIndex = i;
- break;
- }
- }
- }
- var transceiver = this.transceivers[sdpMLineIndex];
- if (transceiver) {
- if (transceiver.isDatachannel) {
- return Promise.resolve();
- }
- var cand = Object.keys(candidate.candidate).length > 0 ?
- SDPUtils.parseCandidate(candidate.candidate) : {};
- // Ignore Chrome's invalid candidates since Edge does not like them.
- if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) {
- return Promise.resolve();
- }
- // Ignore RTCP candidates, we assume RTCP-MUX.
- if (cand.component && cand.component !== 1) {
- return Promise.resolve();
- }
- // when using bundle, avoid adding candidates to the wrong
- // ice transport. And avoid adding candidates added in the SDP.
- if (sdpMLineIndex === 0 || (sdpMLineIndex > 0 &&
- transceiver.iceTransport !== this.transceivers[0].iceTransport)) {
- if (!maybeAddCandidate(transceiver.iceTransport, cand)) {
- return Promise.reject(makeError('OperationError',
- 'Can not add ICE candidate'));
- }
- }
-
- // update the remoteDescription.
- var candidateString = candidate.candidate.trim();
- if (candidateString.indexOf('a=') === 0) {
- candidateString = candidateString.substr(2);
- }
- sections = SDPUtils.splitSections(this.remoteDescription.sdp);
- sections[sdpMLineIndex + 1] += 'a=' +
- (cand.type ? candidateString : 'end-of-candidates')
- + '\r\n';
- this.remoteDescription.sdp = sections.join('');
- } else {
- return Promise.reject(makeError('OperationError',
- 'Can not add ICE candidate'));
- }
- }
- return Promise.resolve();
- };
-
- RTCPeerConnection.prototype.getStats = function() {
- var promises = [];
- this.transceivers.forEach(function(transceiver) {
- ['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport',
- 'dtlsTransport'].forEach(function(method) {
- if (transceiver[method]) {
- promises.push(transceiver[method].getStats());
- }
- });
- });
- var fixStatsType = function(stat) {
- return {
- inboundrtp: 'inbound-rtp',
- outboundrtp: 'outbound-rtp',
- candidatepair: 'candidate-pair',
- localcandidate: 'local-candidate',
- remotecandidate: 'remote-candidate'
- }[stat.type] || stat.type;
- };
- return new Promise(function(resolve) {
- // shim getStats with maplike support
- var results = new Map();
- Promise.all(promises).then(function(res) {
- res.forEach(function(result) {
- Object.keys(result).forEach(function(id) {
- result[id].type = fixStatsType(result[id]);
- results.set(id, result[id]);
- });
- });
- resolve(results);
- });
- });
- };
-
- // legacy callback shims. Should be moved to adapter.js some days.
- var methods = ['createOffer', 'createAnswer'];
- methods.forEach(function(method) {
- var nativeMethod = RTCPeerConnection.prototype[method];
- RTCPeerConnection.prototype[method] = function() {
- var args = arguments;
- if (typeof args[0] === 'function' ||
- typeof args[1] === 'function') { // legacy
- return nativeMethod.apply(this, [arguments[2]])
- .then(function(description) {
- if (typeof args[0] === 'function') {
- args[0].apply(null, [description]);
- }
- }, function(error) {
- if (typeof args[1] === 'function') {
- args[1].apply(null, [error]);
- }
- });
- }
- return nativeMethod.apply(this, arguments);
- };
- });
-
- methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'];
- methods.forEach(function(method) {
- var nativeMethod = RTCPeerConnection.prototype[method];
- RTCPeerConnection.prototype[method] = function() {
- var args = arguments;
- if (typeof args[1] === 'function' ||
- typeof args[2] === 'function') { // legacy
- return nativeMethod.apply(this, arguments)
- .then(function() {
- if (typeof args[1] === 'function') {
- args[1].apply(null);
- }
- }, function(error) {
- if (typeof args[2] === 'function') {
- args[2].apply(null, [error]);
- }
- });
- }
- return nativeMethod.apply(this, arguments);
- };
- });
-
- // getStats is special. It doesn't have a spec legacy method yet we support
- // getStats(something, cb) without error callbacks.
- ['getStats'].forEach(function(method) {
- var nativeMethod = RTCPeerConnection.prototype[method];
- RTCPeerConnection.prototype[method] = function() {
- var args = arguments;
- if (typeof args[1] === 'function') {
- return nativeMethod.apply(this, arguments)
- .then(function() {
- if (typeof args[1] === 'function') {
- args[1].apply(null);
- }
- });
- }
- return nativeMethod.apply(this, arguments);
- };
- });
-
- return RTCPeerConnection;
-};
-
-},{"sdp":2}],2:[function(require,module,exports){
- /* eslint-env node */
-'use strict';
-
-// SDP helpers.
-var SDPUtils = {};
-
-// Generate an alphanumeric identifier for cname or mids.
-// TODO: use UUIDs instead? https://gist.github.com/jed/982883
-SDPUtils.generateIdentifier = function() {
- return Math.random().toString(36).substr(2, 10);
-};
-
-// The RTCP CNAME used by all peerconnections from the same JS.
-SDPUtils.localCName = SDPUtils.generateIdentifier();
-
-// Splits SDP into lines, dealing with both CRLF and LF.
-SDPUtils.splitLines = function(blob) {
- return blob.trim().split('\n').map(function(line) {
- return line.trim();
- });
-};
-// Splits SDP into sessionpart and mediasections. Ensures CRLF.
-SDPUtils.splitSections = function(blob) {
- var parts = blob.split('\nm=');
- return parts.map(function(part, index) {
- return (index > 0 ? 'm=' + part : part).trim() + '\r\n';
- });
-};
-
-// Returns lines that start with a certain prefix.
-SDPUtils.matchPrefix = function(blob, prefix) {
- return SDPUtils.splitLines(blob).filter(function(line) {
- return line.indexOf(prefix) === 0;
- });
-};
-
-// Parses an ICE candidate line. Sample input:
-// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
-// rport 55996"
-SDPUtils.parseCandidate = function(line) {
- var parts;
- // Parse both variants.
- if (line.indexOf('a=candidate:') === 0) {
- parts = line.substring(12).split(' ');
- } else {
- parts = line.substring(10).split(' ');
- }
-
- var candidate = {
- foundation: parts[0],
- component: parseInt(parts[1], 10),
- protocol: parts[2].toLowerCase(),
- priority: parseInt(parts[3], 10),
- ip: parts[4],
- port: parseInt(parts[5], 10),
- // skip parts[6] == 'typ'
- type: parts[7]
- };
-
- for (var i = 8; i < parts.length; i += 2) {
- switch (parts[i]) {
- case 'raddr':
- candidate.relatedAddress = parts[i + 1];
- break;
- case 'rport':
- candidate.relatedPort = parseInt(parts[i + 1], 10);
- break;
- case 'tcptype':
- candidate.tcpType = parts[i + 1];
- break;
- case 'ufrag':
- candidate.ufrag = parts[i + 1]; // for backward compability.
- candidate.usernameFragment = parts[i + 1];
- break;
- default: // extension handling, in particular ufrag
- candidate[parts[i]] = parts[i + 1];
- break;
- }
- }
- return candidate;
-};
-
-// Translates a candidate object into SDP candidate attribute.
-SDPUtils.writeCandidate = function(candidate) {
- var sdp = [];
- sdp.push(candidate.foundation);
- sdp.push(candidate.component);
- sdp.push(candidate.protocol.toUpperCase());
- sdp.push(candidate.priority);
- sdp.push(candidate.ip);
- sdp.push(candidate.port);
-
- var type = candidate.type;
- sdp.push('typ');
- sdp.push(type);
- if (type !== 'host' && candidate.relatedAddress &&
- candidate.relatedPort) {
- sdp.push('raddr');
- sdp.push(candidate.relatedAddress); // was: relAddr
- sdp.push('rport');
- sdp.push(candidate.relatedPort); // was: relPort
- }
- if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {
- sdp.push('tcptype');
- sdp.push(candidate.tcpType);
- }
- if (candidate.ufrag) {
- sdp.push('ufrag');
- sdp.push(candidate.ufrag);
- }
- return 'candidate:' + sdp.join(' ');
-};
-
-// Parses an ice-options line, returns an array of option tags.
-// a=ice-options:foo bar
-SDPUtils.parseIceOptions = function(line) {
- return line.substr(14).split(' ');
-}
-
-// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:
-// a=rtpmap:111 opus/48000/2
-SDPUtils.parseRtpMap = function(line) {
- var parts = line.substr(9).split(' ');
- var parsed = {
- payloadType: parseInt(parts.shift(), 10) // was: id
- };
-
- parts = parts[0].split('/');
-
- parsed.name = parts[0];
- parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
- // was: channels
- parsed.numChannels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
- return parsed;
-};
-
-// Generate an a=rtpmap line from RTCRtpCodecCapability or
-// RTCRtpCodecParameters.
-SDPUtils.writeRtpMap = function(codec) {
- var pt = codec.payloadType;
- if (codec.preferredPayloadType !== undefined) {
- pt = codec.preferredPayloadType;
- }
- return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +
- (codec.numChannels !== 1 ? '/' + codec.numChannels : '') + '\r\n';
-};
-
-// Parses an a=extmap line (headerextension from RFC 5285). Sample input:
-// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
-// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
-SDPUtils.parseExtmap = function(line) {
- var parts = line.substr(9).split(' ');
- return {
- id: parseInt(parts[0], 10),
- direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',
- uri: parts[1]
- };
-};
-
-// Generates a=extmap line from RTCRtpHeaderExtensionParameters or
-// RTCRtpHeaderExtension.
-SDPUtils.writeExtmap = function(headerExtension) {
- return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +
- (headerExtension.direction && headerExtension.direction !== 'sendrecv'
- ? '/' + headerExtension.direction
- : '') +
- ' ' + headerExtension.uri + '\r\n';
-};
-
-// Parses an ftmp line, returns dictionary. Sample input:
-// a=fmtp:96 vbr=on;cng=on
-// Also deals with vbr=on; cng=on
-SDPUtils.parseFmtp = function(line) {
- var parsed = {};
- var kv;
- var parts = line.substr(line.indexOf(' ') + 1).split(';');
- for (var j = 0; j < parts.length; j++) {
- kv = parts[j].trim().split('=');
- parsed[kv[0].trim()] = kv[1];
- }
- return parsed;
-};
-
-// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
-SDPUtils.writeFmtp = function(codec) {
- var line = '';
- var pt = codec.payloadType;
- if (codec.preferredPayloadType !== undefined) {
- pt = codec.preferredPayloadType;
- }
- if (codec.parameters && Object.keys(codec.parameters).length) {
- var params = [];
- Object.keys(codec.parameters).forEach(function(param) {
- params.push(param + '=' + codec.parameters[param]);
- });
- line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n';
- }
- return line;
-};
-
-// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
-// a=rtcp-fb:98 nack rpsi
-SDPUtils.parseRtcpFb = function(line) {
- var parts = line.substr(line.indexOf(' ') + 1).split(' ');
- return {
- type: parts.shift(),
- parameter: parts.join(' ')
- };
-};
-// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
-SDPUtils.writeRtcpFb = function(codec) {
- var lines = '';
- var pt = codec.payloadType;
- if (codec.preferredPayloadType !== undefined) {
- pt = codec.preferredPayloadType;
- }
- if (codec.rtcpFeedback && codec.rtcpFeedback.length) {
- // FIXME: special handling for trr-int?
- codec.rtcpFeedback.forEach(function(fb) {
- lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +
- (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +
- '\r\n';
- });
- }
- return lines;
-};
-
-// Parses an RFC 5576 ssrc media attribute. Sample input:
-// a=ssrc:3735928559 cname:something
-SDPUtils.parseSsrcMedia = function(line) {
- var sp = line.indexOf(' ');
- var parts = {
- ssrc: parseInt(line.substr(7, sp - 7), 10)
- };
- var colon = line.indexOf(':', sp);
- if (colon > -1) {
- parts.attribute = line.substr(sp + 1, colon - sp - 1);
- parts.value = line.substr(colon + 1);
- } else {
- parts.attribute = line.substr(sp + 1);
- }
- return parts;
-};
-
-// Extracts the MID (RFC 5888) from a media section.
-// returns the MID or undefined if no mid line was found.
-SDPUtils.getMid = function(mediaSection) {
- var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];
- if (mid) {
- return mid.substr(6);
- }
-}
-
-SDPUtils.parseFingerprint = function(line) {
- var parts = line.substr(14).split(' ');
- return {
- algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.
- value: parts[1]
- };
-};
-
-// Extracts DTLS parameters from SDP media section or sessionpart.
-// FIXME: for consistency with other functions this should only
-// get the fingerprint line as input. See also getIceParameters.
-SDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {
- var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,
- 'a=fingerprint:');
- // Note: a=setup line is ignored since we use the 'auto' role.
- // Note2: 'algorithm' is not case sensitive except in Edge.
- return {
- role: 'auto',
- fingerprints: lines.map(SDPUtils.parseFingerprint)
- };
-};
-
-// Serializes DTLS parameters to SDP.
-SDPUtils.writeDtlsParameters = function(params, setupType) {
- var sdp = 'a=setup:' + setupType + '\r\n';
- params.fingerprints.forEach(function(fp) {
- sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n';
- });
- return sdp;
-};
-// Parses ICE information from SDP media section or sessionpart.
-// FIXME: for consistency with other functions this should only
-// get the ice-ufrag and ice-pwd lines as input.
-SDPUtils.getIceParameters = function(mediaSection, sessionpart) {
- var lines = SDPUtils.splitLines(mediaSection);
- // Search in session part, too.
- lines = lines.concat(SDPUtils.splitLines(sessionpart));
- var iceParameters = {
- usernameFragment: lines.filter(function(line) {
- return line.indexOf('a=ice-ufrag:') === 0;
- })[0].substr(12),
- password: lines.filter(function(line) {
- return line.indexOf('a=ice-pwd:') === 0;
- })[0].substr(10)
- };
- return iceParameters;
-};
-
-// Serializes ICE parameters to SDP.
-SDPUtils.writeIceParameters = function(params) {
- return 'a=ice-ufrag:' + params.usernameFragment + '\r\n' +
- 'a=ice-pwd:' + params.password + '\r\n';
-};
-
-// Parses the SDP media section and returns RTCRtpParameters.
-SDPUtils.parseRtpParameters = function(mediaSection) {
- var description = {
- codecs: [],
- headerExtensions: [],
- fecMechanisms: [],
- rtcp: []
- };
- var lines = SDPUtils.splitLines(mediaSection);
- var mline = lines[0].split(' ');
- for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]
- var pt = mline[i];
- var rtpmapline = SDPUtils.matchPrefix(
- mediaSection, 'a=rtpmap:' + pt + ' ')[0];
- if (rtpmapline) {
- var codec = SDPUtils.parseRtpMap(rtpmapline);
- var fmtps = SDPUtils.matchPrefix(
- mediaSection, 'a=fmtp:' + pt + ' ');
- // Only the first a=fmtp: is considered.
- codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};
- codec.rtcpFeedback = SDPUtils.matchPrefix(
- mediaSection, 'a=rtcp-fb:' + pt + ' ')
- .map(SDPUtils.parseRtcpFb);
- description.codecs.push(codec);
- // parse FEC mechanisms from rtpmap lines.
- switch (codec.name.toUpperCase()) {
- case 'RED':
- case 'ULPFEC':
- description.fecMechanisms.push(codec.name.toUpperCase());
- break;
- default: // only RED and ULPFEC are recognized as FEC mechanisms.
- break;
- }
- }
- }
- SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {
- description.headerExtensions.push(SDPUtils.parseExtmap(line));
- });
- // FIXME: parse rtcp.
- return description;
-};
-
-// Generates parts of the SDP media section describing the capabilities /
-// parameters.
-SDPUtils.writeRtpDescription = function(kind, caps) {
- var sdp = '';
-
- // Build the mline.
- sdp += 'm=' + kind + ' ';
- sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.
- sdp += ' UDP/TLS/RTP/SAVPF ';
- sdp += caps.codecs.map(function(codec) {
- if (codec.preferredPayloadType !== undefined) {
- return codec.preferredPayloadType;
- }
- return codec.payloadType;
- }).join(' ') + '\r\n';
-
- sdp += 'c=IN IP4 0.0.0.0\r\n';
- sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n';
-
- // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
- caps.codecs.forEach(function(codec) {
- sdp += SDPUtils.writeRtpMap(codec);
- sdp += SDPUtils.writeFmtp(codec);
- sdp += SDPUtils.writeRtcpFb(codec);
- });
- var maxptime = 0;
- caps.codecs.forEach(function(codec) {
- if (codec.maxptime > maxptime) {
- maxptime = codec.maxptime;
- }
- });
- if (maxptime > 0) {
- sdp += 'a=maxptime:' + maxptime + '\r\n';
- }
- sdp += 'a=rtcp-mux\r\n';
-
- caps.headerExtensions.forEach(function(extension) {
- sdp += SDPUtils.writeExtmap(extension);
- });
- // FIXME: write fecMechanisms.
- return sdp;
-};
-
-// Parses the SDP media section and returns an array of
-// RTCRtpEncodingParameters.
-SDPUtils.parseRtpEncodingParameters = function(mediaSection) {
- var encodingParameters = [];
- var description = SDPUtils.parseRtpParameters(mediaSection);
- var hasRed = description.fecMechanisms.indexOf('RED') !== -1;
- var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;
-
- // filter a=ssrc:... cname:, ignore PlanB-msid
- var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
- .map(function(line) {
- return SDPUtils.parseSsrcMedia(line);
- })
- .filter(function(parts) {
- return parts.attribute === 'cname';
- });
- var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
- var secondarySsrc;
-
- var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')
- .map(function(line) {
- var parts = line.split(' ');
- parts.shift();
- return parts.map(function(part) {
- return parseInt(part, 10);
- });
- });
- if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {
- secondarySsrc = flows[0][1];
- }
-
- description.codecs.forEach(function(codec) {
- if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {
- var encParam = {
- ssrc: primarySsrc,
- codecPayloadType: parseInt(codec.parameters.apt, 10),
- rtx: {
- ssrc: secondarySsrc
- }
- };
- encodingParameters.push(encParam);
- if (hasRed) {
- encParam = JSON.parse(JSON.stringify(encParam));
- encParam.fec = {
- ssrc: secondarySsrc,
- mechanism: hasUlpfec ? 'red+ulpfec' : 'red'
- };
- encodingParameters.push(encParam);
- }
- }
- });
- if (encodingParameters.length === 0 && primarySsrc) {
- encodingParameters.push({
- ssrc: primarySsrc
- });
- }
-
- // we support both b=AS and b=TIAS but interpret AS as TIAS.
- var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');
- if (bandwidth.length) {
- if (bandwidth[0].indexOf('b=TIAS:') === 0) {
- bandwidth = parseInt(bandwidth[0].substr(7), 10);
- } else if (bandwidth[0].indexOf('b=AS:') === 0) {
- // use formula from JSEP to convert b=AS to TIAS value.
- bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95
- - (50 * 40 * 8);
- } else {
- bandwidth = undefined;
- }
- encodingParameters.forEach(function(params) {
- params.maxBitrate = bandwidth;
- });
- }
- return encodingParameters;
-};
-
-// parses http://draft.ortc.org/#rtcrtcpparameters*
-SDPUtils.parseRtcpParameters = function(mediaSection) {
- var rtcpParameters = {};
-
- var cname;
- // Gets the first SSRC. Note that with RTX there might be multiple
- // SSRCs.
- var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
- .map(function(line) {
- return SDPUtils.parseSsrcMedia(line);
- })
- .filter(function(obj) {
- return obj.attribute === 'cname';
- })[0];
- if (remoteSsrc) {
- rtcpParameters.cname = remoteSsrc.value;
- rtcpParameters.ssrc = remoteSsrc.ssrc;
- }
-
- // Edge uses the compound attribute instead of reducedSize
- // compound is !reducedSize
- var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
- rtcpParameters.reducedSize = rsize.length > 0;
- rtcpParameters.compound = rsize.length === 0;
-
- // parses the rtcp-mux attrÑ–bute.
- // Note that Edge does not support unmuxed RTCP.
- var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
- rtcpParameters.mux = mux.length > 0;
-
- return rtcpParameters;
-};
-
-// parses either a=msid: or a=ssrc:... msid lines and returns
-// the id of the MediaStream and MediaStreamTrack.
-SDPUtils.parseMsid = function(mediaSection) {
- var parts;
- var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');
- if (spec.length === 1) {
- parts = spec[0].substr(7).split(' ');
- return {stream: parts[0], track: parts[1]};
- }
- var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
- .map(function(line) {
- return SDPUtils.parseSsrcMedia(line);
- })
- .filter(function(parts) {
- return parts.attribute === 'msid';
- });
- if (planB.length > 0) {
- parts = planB[0].value.split(' ');
- return {stream: parts[0], track: parts[1]};
- }
-};
-
-// Generate a session ID for SDP.
-// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
-// recommends using a cryptographically random +ve 64-bit value
-// but right now this should be acceptable and within the right range
-SDPUtils.generateSessionId = function() {
- return Math.random().toString().substr(2, 21);
-};
-
-// Write boilder plate for start of SDP
-// sessId argument is optional - if not supplied it will
-// be generated randomly
-// sessVersion is optional and defaults to 2
-SDPUtils.writeSessionBoilerplate = function(sessId, sessVer) {
- var sessionId;
- var version = sessVer !== undefined ? sessVer : 2;
- if (sessId) {
- sessionId = sessId;
- } else {
- sessionId = SDPUtils.generateSessionId();
- }
- // FIXME: sess-id should be an NTP timestamp.
- return 'v=0\r\n' +
- 'o=thisisadapterortc ' + sessionId + ' ' + version + ' IN IP4 127.0.0.1\r\n' +
- 's=-\r\n' +
- 't=0 0\r\n';
-};
-
-SDPUtils.writeMediaSection = function(transceiver, caps, type, stream) {
- var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);
-
- // Map ICE parameters (ufrag, pwd) to SDP.
- sdp += SDPUtils.writeIceParameters(
- transceiver.iceGatherer.getLocalParameters());
-
- // Map DTLS parameters to SDP.
- sdp += SDPUtils.writeDtlsParameters(
- transceiver.dtlsTransport.getLocalParameters(),
- type === 'offer' ? 'actpass' : 'active');
-
- sdp += 'a=mid:' + transceiver.mid + '\r\n';
-
- if (transceiver.direction) {
- sdp += 'a=' + transceiver.direction + '\r\n';
- } else if (transceiver.rtpSender && transceiver.rtpReceiver) {
- sdp += 'a=sendrecv\r\n';
- } else if (transceiver.rtpSender) {
- sdp += 'a=sendonly\r\n';
- } else if (transceiver.rtpReceiver) {
- sdp += 'a=recvonly\r\n';
- } else {
- sdp += 'a=inactive\r\n';
- }
-
- if (transceiver.rtpSender) {
- // spec.
- var msid = 'msid:' + stream.id + ' ' +
- transceiver.rtpSender.track.id + '\r\n';
- sdp += 'a=' + msid;
-
- // for Chrome.
- sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
- ' ' + msid;
- if (transceiver.sendEncodingParameters[0].rtx) {
- sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
- ' ' + msid;
- sdp += 'a=ssrc-group:FID ' +
- transceiver.sendEncodingParameters[0].ssrc + ' ' +
- transceiver.sendEncodingParameters[0].rtx.ssrc +
- '\r\n';
- }
- }
- // FIXME: this should be written by writeRtpDescription.
- sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
- ' cname:' + SDPUtils.localCName + '\r\n';
- if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
- sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
- ' cname:' + SDPUtils.localCName + '\r\n';
- }
- return sdp;
-};
-
-// Gets the direction from the mediaSection or the sessionpart.
-SDPUtils.getDirection = function(mediaSection, sessionpart) {
- // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
- var lines = SDPUtils.splitLines(mediaSection);
- for (var i = 0; i < lines.length; i++) {
- switch (lines[i]) {
- case 'a=sendrecv':
- case 'a=sendonly':
- case 'a=recvonly':
- case 'a=inactive':
- return lines[i].substr(2);
- default:
- // FIXME: What should happen here?
- }
- }
- if (sessionpart) {
- return SDPUtils.getDirection(sessionpart);
- }
- return 'sendrecv';
-};
-
-SDPUtils.getKind = function(mediaSection) {
- var lines = SDPUtils.splitLines(mediaSection);
- var mline = lines[0].split(' ');
- return mline[0].substr(2);
-};
-
-SDPUtils.isRejected = function(mediaSection) {
- return mediaSection.split(' ', 2)[1] === '0';
-};
-
-SDPUtils.parseMLine = function(mediaSection) {
- var lines = SDPUtils.splitLines(mediaSection);
- var mline = lines[0].split(' ');
- return {
- kind: mline[0].substr(2),
- port: parseInt(mline[1], 10),
- protocol: mline[2],
- fmt: mline.slice(3).join(' ')
- };
-};
-
-// Expose public methods.
-if (typeof module === 'object') {
- module.exports = SDPUtils;
-}
-
-},{}],3:[function(require,module,exports){
-(function (global){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-
-'use strict';
-
-var adapterFactory = require('./adapter_factory.js');
-module.exports = adapterFactory({window: global.window});
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./adapter_factory.js":4}],4:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-
-'use strict';
-
-var utils = require('./utils');
-// Shimming starts here.
-module.exports = function(dependencies, opts) {
- var window = dependencies && dependencies.window;
-
- var options = {
- shimChrome: true,
- shimFirefox: true,
- shimEdge: true,
- shimSafari: true,
- };
-
- for (var key in opts) {
- if (hasOwnProperty.call(opts, key)) {
- options[key] = opts[key];
- }
- }
-
- // Utils.
- var logging = utils.log;
- var browserDetails = utils.detectBrowser(window);
-
- // Uncomment the line below if you want logging to occur, including logging
- // for the switch statement below. Can also be turned on in the browser via
- // adapter.disableLog(false), but then logging from the switch statement below
- // will not appear.
- // require('./utils').disableLog(false);
-
- // Browser shims.
- var chromeShim = require('./chrome/chrome_shim') || null;
- var edgeShim = require('./edge/edge_shim') || null;
- var firefoxShim = require('./firefox/firefox_shim') || null;
- var safariShim = require('./safari/safari_shim') || null;
- var commonShim = require('./common_shim') || null;
-
- // Export to the adapter global object visible in the browser.
- var adapter = {
- browserDetails: browserDetails,
- commonShim: commonShim,
- extractVersion: utils.extractVersion,
- disableLog: utils.disableLog,
- disableWarnings: utils.disableWarnings
- };
-
- // Shim browser if found.
- switch (browserDetails.browser) {
- case 'chrome':
- if (!chromeShim || !chromeShim.shimPeerConnection ||
- !options.shimChrome) {
- logging('Chrome shim is not included in this adapter release.');
- return adapter;
- }
- logging('adapter.js shimming chrome.');
- // Export to the adapter global object visible in the browser.
- adapter.browserShim = chromeShim;
- commonShim.shimCreateObjectURL(window);
-
- chromeShim.shimGetUserMedia(window);
- chromeShim.shimMediaStream(window);
- chromeShim.shimSourceObject(window);
- chromeShim.shimPeerConnection(window);
- chromeShim.shimOnTrack(window);
- chromeShim.shimAddTrackRemoveTrack(window);
- chromeShim.shimGetSendersWithDtmf(window);
-
- commonShim.shimRTCIceCandidate(window);
- commonShim.shimMaxMessageSize(window);
- commonShim.shimSendThrowTypeError(window);
- break;
- case 'firefox':
- if (!firefoxShim || !firefoxShim.shimPeerConnection ||
- !options.shimFirefox) {
- logging('Firefox shim is not included in this adapter release.');
- return adapter;
- }
- logging('adapter.js shimming firefox.');
- // Export to the adapter global object visible in the browser.
- adapter.browserShim = firefoxShim;
- commonShim.shimCreateObjectURL(window);
-
- firefoxShim.shimGetUserMedia(window);
- firefoxShim.shimSourceObject(window);
- firefoxShim.shimPeerConnection(window);
- firefoxShim.shimOnTrack(window);
- firefoxShim.shimRemoveStream(window);
-
- commonShim.shimRTCIceCandidate(window);
- commonShim.shimMaxMessageSize(window);
- commonShim.shimSendThrowTypeError(window);
- break;
- case 'edge':
- if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) {
- logging('MS edge shim is not included in this adapter release.');
- return adapter;
- }
- logging('adapter.js shimming edge.');
- // Export to the adapter global object visible in the browser.
- adapter.browserShim = edgeShim;
- commonShim.shimCreateObjectURL(window);
-
- edgeShim.shimGetUserMedia(window);
- edgeShim.shimPeerConnection(window);
- edgeShim.shimReplaceTrack(window);
-
- // the edge shim implements the full RTCIceCandidate object.
-
- commonShim.shimMaxMessageSize(window);
- commonShim.shimSendThrowTypeError(window);
- break;
- case 'safari':
- if (!safariShim || !options.shimSafari) {
- logging('Safari shim is not included in this adapter release.');
- return adapter;
- }
- logging('adapter.js shimming safari.');
- // Export to the adapter global object visible in the browser.
- adapter.browserShim = safariShim;
- commonShim.shimCreateObjectURL(window);
-
- safariShim.shimRTCIceServerUrls(window);
- safariShim.shimCallbacksAPI(window);
- safariShim.shimLocalStreamsAPI(window);
- safariShim.shimRemoteStreamsAPI(window);
- safariShim.shimTrackEventTransceiver(window);
- safariShim.shimGetUserMedia(window);
- safariShim.shimCreateOfferLegacy(window);
-
- commonShim.shimRTCIceCandidate(window);
- commonShim.shimMaxMessageSize(window);
- commonShim.shimSendThrowTypeError(window);
- break;
- default:
- logging('Unsupported browser!');
- break;
- }
-
- return adapter;
-};
-
-},{"./chrome/chrome_shim":5,"./common_shim":7,"./edge/edge_shim":8,"./firefox/firefox_shim":10,"./safari/safari_shim":12,"./utils":13}],5:[function(require,module,exports){
-
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-var utils = require('../utils.js');
-var logging = utils.log;
-
-module.exports = {
- shimGetUserMedia: require('./getusermedia'),
- shimMediaStream: function(window) {
- window.MediaStream = window.MediaStream || window.webkitMediaStream;
- },
-
- shimOnTrack: function(window) {
- if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
- window.RTCPeerConnection.prototype)) {
- Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
- get: function() {
- return this._ontrack;
- },
- set: function(f) {
- if (this._ontrack) {
- this.removeEventListener('track', this._ontrack);
- }
- this.addEventListener('track', this._ontrack = f);
- }
- });
- var origSetRemoteDescription =
- window.RTCPeerConnection.prototype.setRemoteDescription;
- window.RTCPeerConnection.prototype.setRemoteDescription = function() {
- var pc = this;
- if (!pc._ontrackpoly) {
- pc._ontrackpoly = function(e) {
- // onaddstream does not fire when a track is added to an existing
- // stream. But stream.onaddtrack is implemented so we use that.
- e.stream.addEventListener('addtrack', function(te) {
- var receiver;
- if (window.RTCPeerConnection.prototype.getReceivers) {
- receiver = pc.getReceivers().find(function(r) {
- return r.track && r.track.id === te.track.id;
- });
- } else {
- receiver = {track: te.track};
- }
-
- var event = new Event('track');
- event.track = te.track;
- event.receiver = receiver;
- event.transceiver = {receiver: receiver};
- event.streams = [e.stream];
- pc.dispatchEvent(event);
- });
- e.stream.getTracks().forEach(function(track) {
- var receiver;
- if (window.RTCPeerConnection.prototype.getReceivers) {
- receiver = pc.getReceivers().find(function(r) {
- return r.track && r.track.id === track.id;
- });
- } else {
- receiver = {track: track};
- }
- var event = new Event('track');
- event.track = track;
- event.receiver = receiver;
- event.transceiver = {receiver: receiver};
- event.streams = [e.stream];
- pc.dispatchEvent(event);
- });
- };
- pc.addEventListener('addstream', pc._ontrackpoly);
- }
- return origSetRemoteDescription.apply(pc, arguments);
- };
- } else if (!('RTCRtpTransceiver' in window)) {
- utils.wrapPeerConnectionEvent(window, 'track', function(e) {
- if (!e.transceiver) {
- e.transceiver = {receiver: e.receiver};
- }
- return e;
- });
- }
- },
-
- shimGetSendersWithDtmf: function(window) {
- // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.
- if (typeof window === 'object' && window.RTCPeerConnection &&
- !('getSenders' in window.RTCPeerConnection.prototype) &&
- 'createDTMFSender' in window.RTCPeerConnection.prototype) {
- var shimSenderWithDtmf = function(pc, track) {
- return {
- track: track,
- get dtmf() {
- if (this._dtmf === undefined) {
- if (track.kind === 'audio') {
- this._dtmf = pc.createDTMFSender(track);
- } else {
- this._dtmf = null;
- }
- }
- return this._dtmf;
- },
- _pc: pc
- };
- };
-
- // augment addTrack when getSenders is not available.
- if (!window.RTCPeerConnection.prototype.getSenders) {
- window.RTCPeerConnection.prototype.getSenders = function() {
- this._senders = this._senders || [];
- return this._senders.slice(); // return a copy of the internal state.
- };
- var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
- window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
- var pc = this;
- var sender = origAddTrack.apply(pc, arguments);
- if (!sender) {
- sender = shimSenderWithDtmf(pc, track);
- pc._senders.push(sender);
- }
- return sender;
- };
-
- var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
- window.RTCPeerConnection.prototype.removeTrack = function(sender) {
- var pc = this;
- origRemoveTrack.apply(pc, arguments);
- var idx = pc._senders.indexOf(sender);
- if (idx !== -1) {
- pc._senders.splice(idx, 1);
- }
- };
- }
- var origAddStream = window.RTCPeerConnection.prototype.addStream;
- window.RTCPeerConnection.prototype.addStream = function(stream) {
- var pc = this;
- pc._senders = pc._senders || [];
- origAddStream.apply(pc, [stream]);
- stream.getTracks().forEach(function(track) {
- pc._senders.push(shimSenderWithDtmf(pc, track));
- });
- };
-
- var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- var pc = this;
- pc._senders = pc._senders || [];
- origRemoveStream.apply(pc, [stream]);
-
- stream.getTracks().forEach(function(track) {
- var sender = pc._senders.find(function(s) {
- return s.track === track;
- });
- if (sender) {
- pc._senders.splice(pc._senders.indexOf(sender), 1); // remove sender
- }
- });
- };
- } else if (typeof window === 'object' && window.RTCPeerConnection &&
- 'getSenders' in window.RTCPeerConnection.prototype &&
- 'createDTMFSender' in window.RTCPeerConnection.prototype &&
- window.RTCRtpSender &&
- !('dtmf' in window.RTCRtpSender.prototype)) {
- var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
- window.RTCPeerConnection.prototype.getSenders = function() {
- var pc = this;
- var senders = origGetSenders.apply(pc, []);
- senders.forEach(function(sender) {
- sender._pc = pc;
- });
- return senders;
- };
-
- Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
- get: function() {
- if (this._dtmf === undefined) {
- if (this.track.kind === 'audio') {
- this._dtmf = this._pc.createDTMFSender(this.track);
- } else {
- this._dtmf = null;
- }
- }
- return this._dtmf;
- }
- });
- }
- },
-
- shimSourceObject: function(window) {
- var URL = window && window.URL;
-
- if (typeof window === 'object') {
- if (window.HTMLMediaElement &&
- !('srcObject' in window.HTMLMediaElement.prototype)) {
- // Shim the srcObject property, once, when HTMLMediaElement is found.
- Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
- get: function() {
- return this._srcObject;
- },
- set: function(stream) {
- var self = this;
- // Use _srcObject as a private property for this shim
- this._srcObject = stream;
- if (this.src) {
- URL.revokeObjectURL(this.src);
- }
-
- if (!stream) {
- this.src = '';
- return undefined;
- }
- this.src = URL.createObjectURL(stream);
- // We need to recreate the blob url when a track is added or
- // removed. Doing it manually since we want to avoid a recursion.
- stream.addEventListener('addtrack', function() {
- if (self.src) {
- URL.revokeObjectURL(self.src);
- }
- self.src = URL.createObjectURL(stream);
- });
- stream.addEventListener('removetrack', function() {
- if (self.src) {
- URL.revokeObjectURL(self.src);
- }
- self.src = URL.createObjectURL(stream);
- });
- }
- });
- }
- }
- },
-
- shimAddTrackRemoveTrackWithNative: function(window) {
- // shim addTrack/removeTrack with native variants in order to make
- // the interactions with legacy getLocalStreams behave as in other browsers.
- // Keeps a mapping stream.id => [stream, rtpsenders...]
- window.RTCPeerConnection.prototype.getLocalStreams = function() {
- var pc = this;
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
- return Object.keys(this._shimmedLocalStreams).map(function(streamId) {
- return pc._shimmedLocalStreams[streamId][0];
- });
- };
-
- var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
- window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
- if (!stream) {
- return origAddTrack.apply(this, arguments);
- }
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-
- var sender = origAddTrack.apply(this, arguments);
- if (!this._shimmedLocalStreams[stream.id]) {
- this._shimmedLocalStreams[stream.id] = [stream, sender];
- } else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {
- this._shimmedLocalStreams[stream.id].push(sender);
- }
- return sender;
- };
-
- var origAddStream = window.RTCPeerConnection.prototype.addStream;
- window.RTCPeerConnection.prototype.addStream = function(stream) {
- var pc = this;
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-
- stream.getTracks().forEach(function(track) {
- var alreadyExists = pc.getSenders().find(function(s) {
- return s.track === track;
- });
- if (alreadyExists) {
- throw new DOMException('Track already exists.',
- 'InvalidAccessError');
- }
- });
- var existingSenders = pc.getSenders();
- origAddStream.apply(this, arguments);
- var newSenders = pc.getSenders().filter(function(newSender) {
- return existingSenders.indexOf(newSender) === -1;
- });
- this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);
- };
-
- var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
- delete this._shimmedLocalStreams[stream.id];
- return origRemoveStream.apply(this, arguments);
- };
-
- var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
- window.RTCPeerConnection.prototype.removeTrack = function(sender) {
- var pc = this;
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
- if (sender) {
- Object.keys(this._shimmedLocalStreams).forEach(function(streamId) {
- var idx = pc._shimmedLocalStreams[streamId].indexOf(sender);
- if (idx !== -1) {
- pc._shimmedLocalStreams[streamId].splice(idx, 1);
- }
- if (pc._shimmedLocalStreams[streamId].length === 1) {
- delete pc._shimmedLocalStreams[streamId];
- }
- });
- }
- return origRemoveTrack.apply(this, arguments);
- };
- },
-
- shimAddTrackRemoveTrack: function(window) {
- var browserDetails = utils.detectBrowser(window);
- // shim addTrack and removeTrack.
- if (window.RTCPeerConnection.prototype.addTrack &&
- browserDetails.version >= 65) {
- return this.shimAddTrackRemoveTrackWithNative(window);
- }
-
- // also shim pc.getLocalStreams when addTrack is shimmed
- // to return the original streams.
- var origGetLocalStreams = window.RTCPeerConnection.prototype
- .getLocalStreams;
- window.RTCPeerConnection.prototype.getLocalStreams = function() {
- var pc = this;
- var nativeStreams = origGetLocalStreams.apply(this);
- pc._reverseStreams = pc._reverseStreams || {};
- return nativeStreams.map(function(stream) {
- return pc._reverseStreams[stream.id];
- });
- };
-
- var origAddStream = window.RTCPeerConnection.prototype.addStream;
- window.RTCPeerConnection.prototype.addStream = function(stream) {
- var pc = this;
- pc._streams = pc._streams || {};
- pc._reverseStreams = pc._reverseStreams || {};
-
- stream.getTracks().forEach(function(track) {
- var alreadyExists = pc.getSenders().find(function(s) {
- return s.track === track;
- });
- if (alreadyExists) {
- throw new DOMException('Track already exists.',
- 'InvalidAccessError');
- }
- });
- // Add identity mapping for consistency with addTrack.
- // Unless this is being used with a stream from addTrack.
- if (!pc._reverseStreams[stream.id]) {
- var newStream = new window.MediaStream(stream.getTracks());
- pc._streams[stream.id] = newStream;
- pc._reverseStreams[newStream.id] = stream;
- stream = newStream;
- }
- origAddStream.apply(pc, [stream]);
- };
-
- var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- var pc = this;
- pc._streams = pc._streams || {};
- pc._reverseStreams = pc._reverseStreams || {};
-
- origRemoveStream.apply(pc, [(pc._streams[stream.id] || stream)]);
- delete pc._reverseStreams[(pc._streams[stream.id] ?
- pc._streams[stream.id].id : stream.id)];
- delete pc._streams[stream.id];
- };
-
- window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
- var pc = this;
- if (pc.signalingState === 'closed') {
- throw new DOMException(
- 'The RTCPeerConnection\'s signalingState is \'closed\'.',
- 'InvalidStateError');
- }
- var streams = [].slice.call(arguments, 1);
- if (streams.length !== 1 ||
- !streams[0].getTracks().find(function(t) {
- return t === track;
- })) {
- // this is not fully correct but all we can manage without
- // [[associated MediaStreams]] internal slot.
- throw new DOMException(
- 'The adapter.js addTrack polyfill only supports a single ' +
- ' stream which is associated with the specified track.',
- 'NotSupportedError');
- }
-
- var alreadyExists = pc.getSenders().find(function(s) {
- return s.track === track;
- });
- if (alreadyExists) {
- throw new DOMException('Track already exists.',
- 'InvalidAccessError');
- }
-
- pc._streams = pc._streams || {};
- pc._reverseStreams = pc._reverseStreams || {};
- var oldStream = pc._streams[stream.id];
- if (oldStream) {
- // this is using odd Chrome behaviour, use with caution:
- // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815
- // Note: we rely on the high-level addTrack/dtmf shim to
- // create the sender with a dtmf sender.
- oldStream.addTrack(track);
-
- // Trigger ONN async.
- Promise.resolve().then(function() {
- pc.dispatchEvent(new Event('negotiationneeded'));
- });
- } else {
- var newStream = new window.MediaStream([track]);
- pc._streams[stream.id] = newStream;
- pc._reverseStreams[newStream.id] = stream;
- pc.addStream(newStream);
- }
- return pc.getSenders().find(function(s) {
- return s.track === track;
- });
- };
-
- // replace the internal stream id with the external one and
- // vice versa.
- function replaceInternalStreamId(pc, description) {
- var sdp = description.sdp;
- Object.keys(pc._reverseStreams || []).forEach(function(internalId) {
- var externalStream = pc._reverseStreams[internalId];
- var internalStream = pc._streams[externalStream.id];
- sdp = sdp.replace(new RegExp(internalStream.id, 'g'),
- externalStream.id);
- });
- return new RTCSessionDescription({
- type: description.type,
- sdp: sdp
- });
- }
- function replaceExternalStreamId(pc, description) {
- var sdp = description.sdp;
- Object.keys(pc._reverseStreams || []).forEach(function(internalId) {
- var externalStream = pc._reverseStreams[internalId];
- var internalStream = pc._streams[externalStream.id];
- sdp = sdp.replace(new RegExp(externalStream.id, 'g'),
- internalStream.id);
- });
- return new RTCSessionDescription({
- type: description.type,
- sdp: sdp
- });
- }
- ['createOffer', 'createAnswer'].forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- var pc = this;
- var args = arguments;
- var isLegacyCall = arguments.length &&
- typeof arguments[0] === 'function';
- if (isLegacyCall) {
- return nativeMethod.apply(pc, [
- function(description) {
- var desc = replaceInternalStreamId(pc, description);
- args[0].apply(null, [desc]);
- },
- function(err) {
- if (args[1]) {
- args[1].apply(null, err);
- }
- }, arguments[2]
- ]);
- }
- return nativeMethod.apply(pc, arguments)
- .then(function(description) {
- return replaceInternalStreamId(pc, description);
- });
- };
- });
-
- var origSetLocalDescription =
- window.RTCPeerConnection.prototype.setLocalDescription;
- window.RTCPeerConnection.prototype.setLocalDescription = function() {
- var pc = this;
- if (!arguments.length || !arguments[0].type) {
- return origSetLocalDescription.apply(pc, arguments);
- }
- arguments[0] = replaceExternalStreamId(pc, arguments[0]);
- return origSetLocalDescription.apply(pc, arguments);
- };
-
- // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier
-
- var origLocalDescription = Object.getOwnPropertyDescriptor(
- window.RTCPeerConnection.prototype, 'localDescription');
- Object.defineProperty(window.RTCPeerConnection.prototype,
- 'localDescription', {
- get: function() {
- var pc = this;
- var description = origLocalDescription.get.apply(this);
- if (description.type === '') {
- return description;
- }
- return replaceInternalStreamId(pc, description);
- }
- });
-
- window.RTCPeerConnection.prototype.removeTrack = function(sender) {
- var pc = this;
- if (pc.signalingState === 'closed') {
- throw new DOMException(
- 'The RTCPeerConnection\'s signalingState is \'closed\'.',
- 'InvalidStateError');
- }
- // We can not yet check for sender instanceof RTCRtpSender
- // since we shim RTPSender. So we check if sender._pc is set.
- if (!sender._pc) {
- throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' +
- 'does not implement interface RTCRtpSender.', 'TypeError');
- }
- var isLocal = sender._pc === pc;
- if (!isLocal) {
- throw new DOMException('Sender was not created by this connection.',
- 'InvalidAccessError');
- }
-
- // Search for the native stream the senders track belongs to.
- pc._streams = pc._streams || {};
- var stream;
- Object.keys(pc._streams).forEach(function(streamid) {
- var hasTrack = pc._streams[streamid].getTracks().find(function(track) {
- return sender.track === track;
- });
- if (hasTrack) {
- stream = pc._streams[streamid];
- }
- });
-
- if (stream) {
- if (stream.getTracks().length === 1) {
- // if this is the last track of the stream, remove the stream. This
- // takes care of any shimmed _senders.
- pc.removeStream(pc._reverseStreams[stream.id]);
- } else {
- // relying on the same odd chrome behaviour as above.
- stream.removeTrack(sender.track);
- }
- pc.dispatchEvent(new Event('negotiationneeded'));
- }
- };
- },
-
- shimPeerConnection: function(window) {
- var browserDetails = utils.detectBrowser(window);
-
- // The RTCPeerConnection object.
- if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {
- window.RTCPeerConnection = function(pcConfig, pcConstraints) {
- // Translate iceTransportPolicy to iceTransports,
- // see https://code.google.com/p/webrtc/issues/detail?id=4869
- // this was fixed in M56 along with unprefixing RTCPeerConnection.
- logging('PeerConnection');
- if (pcConfig && pcConfig.iceTransportPolicy) {
- pcConfig.iceTransports = pcConfig.iceTransportPolicy;
- }
-
- return new window.webkitRTCPeerConnection(pcConfig, pcConstraints);
- };
- window.RTCPeerConnection.prototype =
- window.webkitRTCPeerConnection.prototype;
- // wrap static methods. Currently just generateCertificate.
- if (window.webkitRTCPeerConnection.generateCertificate) {
- Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
- get: function() {
- return window.webkitRTCPeerConnection.generateCertificate;
- }
- });
- }
- } else {
- // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
- var OrigPeerConnection = window.RTCPeerConnection;
- window.RTCPeerConnection = function(pcConfig, pcConstraints) {
- if (pcConfig && pcConfig.iceServers) {
- var newIceServers = [];
- for (var i = 0; i < pcConfig.iceServers.length; i++) {
- var server = pcConfig.iceServers[i];
- if (!server.hasOwnProperty('urls') &&
- server.hasOwnProperty('url')) {
- utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
- server = JSON.parse(JSON.stringify(server));
- server.urls = server.url;
- newIceServers.push(server);
- } else {
- newIceServers.push(pcConfig.iceServers[i]);
- }
- }
- pcConfig.iceServers = newIceServers;
- }
- return new OrigPeerConnection(pcConfig, pcConstraints);
- };
- window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
- // wrap static methods. Currently just generateCertificate.
- Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
- get: function() {
- return OrigPeerConnection.generateCertificate;
- }
- });
- }
-
- var origGetStats = window.RTCPeerConnection.prototype.getStats;
- window.RTCPeerConnection.prototype.getStats = function(selector,
- successCallback, errorCallback) {
- var pc = this;
- var args = arguments;
-
- // If selector is a function then we are in the old style stats so just
- // pass back the original getStats format to avoid breaking old users.
- if (arguments.length > 0 && typeof selector === 'function') {
- return origGetStats.apply(this, arguments);
- }
-
- // When spec-style getStats is supported, return those when called with
- // either no arguments or the selector argument is null.
- if (origGetStats.length === 0 && (arguments.length === 0 ||
- typeof arguments[0] !== 'function')) {
- return origGetStats.apply(this, []);
- }
-
- var fixChromeStats_ = function(response) {
- var standardReport = {};
- var reports = response.result();
- reports.forEach(function(report) {
- var standardStats = {
- id: report.id,
- timestamp: report.timestamp,
- type: {
- localcandidate: 'local-candidate',
- remotecandidate: 'remote-candidate'
- }[report.type] || report.type
- };
- report.names().forEach(function(name) {
- standardStats[name] = report.stat(name);
- });
- standardReport[standardStats.id] = standardStats;
- });
-
- return standardReport;
- };
-
- // shim getStats with maplike support
- var makeMapStats = function(stats) {
- return new Map(Object.keys(stats).map(function(key) {
- return [key, stats[key]];
- }));
- };
-
- if (arguments.length >= 2) {
- var successCallbackWrapper_ = function(response) {
- args[1](makeMapStats(fixChromeStats_(response)));
- };
-
- return origGetStats.apply(this, [successCallbackWrapper_,
- arguments[0]]);
- }
-
- // promise-support
- return new Promise(function(resolve, reject) {
- origGetStats.apply(pc, [
- function(response) {
- resolve(makeMapStats(fixChromeStats_(response)));
- }, reject]);
- }).then(successCallback, errorCallback);
- };
-
- // add promise support -- natively available in Chrome 51
- if (browserDetails.version < 51) {
- ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
- .forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- var args = arguments;
- var pc = this;
- var promise = new Promise(function(resolve, reject) {
- nativeMethod.apply(pc, [args[0], resolve, reject]);
- });
- if (args.length < 2) {
- return promise;
- }
- return promise.then(function() {
- args[1].apply(null, []);
- },
- function(err) {
- if (args.length >= 3) {
- args[2].apply(null, [err]);
- }
- });
- };
- });
- }
-
- // promise support for createOffer and createAnswer. Available (without
- // bugs) since M52: crbug/619289
- if (browserDetails.version < 52) {
- ['createOffer', 'createAnswer'].forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- var pc = this;
- if (arguments.length < 1 || (arguments.length === 1 &&
- typeof arguments[0] === 'object')) {
- var opts = arguments.length === 1 ? arguments[0] : undefined;
- return new Promise(function(resolve, reject) {
- nativeMethod.apply(pc, [resolve, reject, opts]);
- });
- }
- return nativeMethod.apply(this, arguments);
- };
- });
- }
-
- // shim implicit creation of RTCSessionDescription/RTCIceCandidate
- ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
- .forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- arguments[0] = new ((method === 'addIceCandidate') ?
- window.RTCIceCandidate :
- window.RTCSessionDescription)(arguments[0]);
- return nativeMethod.apply(this, arguments);
- };
- });
-
- // support for addIceCandidate(null or undefined)
- var nativeAddIceCandidate =
- window.RTCPeerConnection.prototype.addIceCandidate;
- window.RTCPeerConnection.prototype.addIceCandidate = function() {
- if (!arguments[0]) {
- if (arguments[1]) {
- arguments[1].apply(null);
- }
- return Promise.resolve();
- }
- return nativeAddIceCandidate.apply(this, arguments);
- };
- }
-};
-
-},{"../utils.js":13,"./getusermedia":6}],6:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-var utils = require('../utils.js');
-var logging = utils.log;
-
-// Expose public methods.
-module.exports = function(window) {
- var browserDetails = utils.detectBrowser(window);
- var navigator = window && window.navigator;
-
- var constraintsToChrome_ = function(c) {
- if (typeof c !== 'object' || c.mandatory || c.optional) {
- return c;
- }
- var cc = {};
- Object.keys(c).forEach(function(key) {
- if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
- return;
- }
- var r = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]};
- if (r.exact !== undefined && typeof r.exact === 'number') {
- r.min = r.max = r.exact;
- }
- var oldname_ = function(prefix, name) {
- if (prefix) {
- return prefix + name.charAt(0).toUpperCase() + name.slice(1);
- }
- return (name === 'deviceId') ? 'sourceId' : name;
- };
- if (r.ideal !== undefined) {
- cc.optional = cc.optional || [];
- var oc = {};
- if (typeof r.ideal === 'number') {
- oc[oldname_('min', key)] = r.ideal;
- cc.optional.push(oc);
- oc = {};
- oc[oldname_('max', key)] = r.ideal;
- cc.optional.push(oc);
- } else {
- oc[oldname_('', key)] = r.ideal;
- cc.optional.push(oc);
- }
- }
- if (r.exact !== undefined && typeof r.exact !== 'number') {
- cc.mandatory = cc.mandatory || {};
- cc.mandatory[oldname_('', key)] = r.exact;
- } else {
- ['min', 'max'].forEach(function(mix) {
- if (r[mix] !== undefined) {
- cc.mandatory = cc.mandatory || {};
- cc.mandatory[oldname_(mix, key)] = r[mix];
- }
- });
- }
- });
- if (c.advanced) {
- cc.optional = (cc.optional || []).concat(c.advanced);
- }
- return cc;
- };
-
- var shimConstraints_ = function(constraints, func) {
- if (browserDetails.version >= 61) {
- return func(constraints);
- }
- constraints = JSON.parse(JSON.stringify(constraints));
- if (constraints && typeof constraints.audio === 'object') {
- var remap = function(obj, a, b) {
- if (a in obj && !(b in obj)) {
- obj[b] = obj[a];
- delete obj[a];
- }
- };
- constraints = JSON.parse(JSON.stringify(constraints));
- remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');
- remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');
- constraints.audio = constraintsToChrome_(constraints.audio);
- }
- if (constraints && typeof constraints.video === 'object') {
- // Shim facingMode for mobile & surface pro.
- var face = constraints.video.facingMode;
- face = face && ((typeof face === 'object') ? face : {ideal: face});
- var getSupportedFacingModeLies = browserDetails.version < 66;
-
- if ((face && (face.exact === 'user' || face.exact === 'environment' ||
- face.ideal === 'user' || face.ideal === 'environment')) &&
- !(navigator.mediaDevices.getSupportedConstraints &&
- navigator.mediaDevices.getSupportedConstraints().facingMode &&
- !getSupportedFacingModeLies)) {
- delete constraints.video.facingMode;
- var matches;
- if (face.exact === 'environment' || face.ideal === 'environment') {
- matches = ['back', 'rear'];
- } else if (face.exact === 'user' || face.ideal === 'user') {
- matches = ['front'];
- }
- if (matches) {
- // Look for matches in label, or use last cam for back (typical).
- return navigator.mediaDevices.enumerateDevices()
- .then(function(devices) {
- devices = devices.filter(function(d) {
- return d.kind === 'videoinput';
- });
- var dev = devices.find(function(d) {
- return matches.some(function(match) {
- return d.label.toLowerCase().indexOf(match) !== -1;
- });
- });
- if (!dev && devices.length && matches.indexOf('back') !== -1) {
- dev = devices[devices.length - 1]; // more likely the back cam
- }
- if (dev) {
- constraints.video.deviceId = face.exact ? {exact: dev.deviceId} :
- {ideal: dev.deviceId};
- }
- constraints.video = constraintsToChrome_(constraints.video);
- logging('chrome: ' + JSON.stringify(constraints));
- return func(constraints);
- });
- }
- }
- constraints.video = constraintsToChrome_(constraints.video);
- }
- logging('chrome: ' + JSON.stringify(constraints));
- return func(constraints);
- };
-
- var shimError_ = function(e) {
- return {
- name: {
- PermissionDeniedError: 'NotAllowedError',
- InvalidStateError: 'NotReadableError',
- DevicesNotFoundError: 'NotFoundError',
- ConstraintNotSatisfiedError: 'OverconstrainedError',
- TrackStartError: 'NotReadableError',
- MediaDeviceFailedDueToShutdown: 'NotReadableError',
- MediaDeviceKillSwitchOn: 'NotReadableError'
- }[e.name] || e.name,
- message: e.message,
- constraint: e.constraintName,
- toString: function() {
- return this.name + (this.message && ': ') + this.message;
- }
- };
- };
-
- var getUserMedia_ = function(constraints, onSuccess, onError) {
- shimConstraints_(constraints, function(c) {
- navigator.webkitGetUserMedia(c, onSuccess, function(e) {
- if (onError) {
- onError(shimError_(e));
- }
- });
- });
- };
-
- navigator.getUserMedia = getUserMedia_;
-
- // Returns the result of getUserMedia as a Promise.
- var getUserMediaPromise_ = function(constraints) {
- return new Promise(function(resolve, reject) {
- navigator.getUserMedia(constraints, resolve, reject);
- });
- };
-
- if (!navigator.mediaDevices) {
- navigator.mediaDevices = {
- getUserMedia: getUserMediaPromise_,
- enumerateDevices: function() {
- return new Promise(function(resolve) {
- var kinds = {audio: 'audioinput', video: 'videoinput'};
- return window.MediaStreamTrack.getSources(function(devices) {
- resolve(devices.map(function(device) {
- return {label: device.label,
- kind: kinds[device.kind],
- deviceId: device.id,
- groupId: ''};
- }));
- });
- });
- },
- getSupportedConstraints: function() {
- return {
- deviceId: true, echoCancellation: true, facingMode: true,
- frameRate: true, height: true, width: true
- };
- }
- };
- }
-
- // A shim for getUserMedia method on the mediaDevices object.
- // TODO(KaptenJansson) remove once implemented in Chrome stable.
- if (!navigator.mediaDevices.getUserMedia) {
- navigator.mediaDevices.getUserMedia = function(constraints) {
- return getUserMediaPromise_(constraints);
- };
- } else {
- // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
- // function which returns a Promise, it does not accept spec-style
- // constraints.
- var origGetUserMedia = navigator.mediaDevices.getUserMedia.
- bind(navigator.mediaDevices);
- navigator.mediaDevices.getUserMedia = function(cs) {
- return shimConstraints_(cs, function(c) {
- return origGetUserMedia(c).then(function(stream) {
- if (c.audio && !stream.getAudioTracks().length ||
- c.video && !stream.getVideoTracks().length) {
- stream.getTracks().forEach(function(track) {
- track.stop();
- });
- throw new DOMException('', 'NotFoundError');
- }
- return stream;
- }, function(e) {
- return Promise.reject(shimError_(e));
- });
- });
- };
- }
-
- // Dummy devicechange event methods.
- // TODO(KaptenJansson) remove once implemented in Chrome stable.
- if (typeof navigator.mediaDevices.addEventListener === 'undefined') {
- navigator.mediaDevices.addEventListener = function() {
- logging('Dummy mediaDevices.addEventListener called.');
- };
- }
- if (typeof navigator.mediaDevices.removeEventListener === 'undefined') {
- navigator.mediaDevices.removeEventListener = function() {
- logging('Dummy mediaDevices.removeEventListener called.');
- };
- }
-};
-
-},{"../utils.js":13}],7:[function(require,module,exports){
-/*
- * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var SDPUtils = require('sdp');
-var utils = require('./utils');
-
-module.exports = {
- shimRTCIceCandidate: function(window) {
- // foundation is arbitrarily chosen as an indicator for full support for
- // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface
- if (window.RTCIceCandidate && 'foundation' in
- window.RTCIceCandidate.prototype) {
- return;
- }
-
- var NativeRTCIceCandidate = window.RTCIceCandidate;
- window.RTCIceCandidate = function(args) {
- // Remove the a= which shouldn't be part of the candidate string.
- if (typeof args === 'object' && args.candidate &&
- args.candidate.indexOf('a=') === 0) {
- args = JSON.parse(JSON.stringify(args));
- args.candidate = args.candidate.substr(2);
- }
-
- // Augment the native candidate with the parsed fields.
- var nativeCandidate = new NativeRTCIceCandidate(args);
- var parsedCandidate = SDPUtils.parseCandidate(args.candidate);
- var augmentedCandidate = Object.assign(nativeCandidate,
- parsedCandidate);
-
- // Add a serializer that does not serialize the extra attributes.
- augmentedCandidate.toJSON = function() {
- return {
- candidate: augmentedCandidate.candidate,
- sdpMid: augmentedCandidate.sdpMid,
- sdpMLineIndex: augmentedCandidate.sdpMLineIndex,
- usernameFragment: augmentedCandidate.usernameFragment,
- };
- };
- return augmentedCandidate;
- };
-
- // Hook up the augmented candidate in onicecandidate and
- // addEventListener('icecandidate', ...)
- utils.wrapPeerConnectionEvent(window, 'icecandidate', function(e) {
- if (e.candidate) {
- Object.defineProperty(e, 'candidate', {
- value: new window.RTCIceCandidate(e.candidate),
- writable: 'false'
- });
- }
- return e;
- });
- },
-
- // shimCreateObjectURL must be called before shimSourceObject to avoid loop.
-
- shimCreateObjectURL: function(window) {
- var URL = window && window.URL;
-
- if (!(typeof window === 'object' && window.HTMLMediaElement &&
- 'srcObject' in window.HTMLMediaElement.prototype &&
- URL.createObjectURL && URL.revokeObjectURL)) {
- // Only shim CreateObjectURL using srcObject if srcObject exists.
- return undefined;
- }
-
- var nativeCreateObjectURL = URL.createObjectURL.bind(URL);
- var nativeRevokeObjectURL = URL.revokeObjectURL.bind(URL);
- var streams = new Map(), newId = 0;
-
- URL.createObjectURL = function(stream) {
- if ('getTracks' in stream) {
- var url = 'polyblob:' + (++newId);
- streams.set(url, stream);
- utils.deprecated('URL.createObjectURL(stream)',
- 'elem.srcObject = stream');
- return url;
- }
- return nativeCreateObjectURL(stream);
- };
- URL.revokeObjectURL = function(url) {
- nativeRevokeObjectURL(url);
- streams.delete(url);
- };
-
- var dsc = Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,
- 'src');
- Object.defineProperty(window.HTMLMediaElement.prototype, 'src', {
- get: function() {
- return dsc.get.apply(this);
- },
- set: function(url) {
- this.srcObject = streams.get(url) || null;
- return dsc.set.apply(this, [url]);
- }
- });
-
- var nativeSetAttribute = window.HTMLMediaElement.prototype.setAttribute;
- window.HTMLMediaElement.prototype.setAttribute = function() {
- if (arguments.length === 2 &&
- ('' + arguments[0]).toLowerCase() === 'src') {
- this.srcObject = streams.get(arguments[1]) || null;
- }
- return nativeSetAttribute.apply(this, arguments);
- };
- },
-
- shimMaxMessageSize: function(window) {
- if (window.RTCSctpTransport || !window.RTCPeerConnection) {
- return;
- }
- var browserDetails = utils.detectBrowser(window);
-
- if (!('sctp' in window.RTCPeerConnection.prototype)) {
- Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {
- get: function() {
- return typeof this._sctp === 'undefined' ? null : this._sctp;
- }
- });
- }
-
- var sctpInDescription = function(description) {
- var sections = SDPUtils.splitSections(description.sdp);
- sections.shift();
- return sections.some(function(mediaSection) {
- var mLine = SDPUtils.parseMLine(mediaSection);
- return mLine && mLine.kind === 'application'
- && mLine.protocol.indexOf('SCTP') !== -1;
- });
- };
-
- var getRemoteFirefoxVersion = function(description) {
- // TODO: Is there a better solution for detecting Firefox?
- var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);
- if (match === null || match.length < 2) {
- return -1;
- }
- var version = parseInt(match[1], 10);
- // Test for NaN (yes, this is ugly)
- return version !== version ? -1 : version;
- };
-
- var getCanSendMaxMessageSize = function(remoteIsFirefox) {
- // Every implementation we know can send at least 64 KiB.
- // Note: Although Chrome is technically able to send up to 256 KiB, the
- // data does not reach the other peer reliably.
- // See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419
- var canSendMaxMessageSize = 65536;
- if (browserDetails.browser === 'firefox') {
- if (browserDetails.version < 57) {
- if (remoteIsFirefox === -1) {
- // FF < 57 will send in 16 KiB chunks using the deprecated PPID
- // fragmentation.
- canSendMaxMessageSize = 16384;
- } else {
- // However, other FF (and RAWRTC) can reassemble PPID-fragmented
- // messages. Thus, supporting ~2 GiB when sending.
- canSendMaxMessageSize = 2147483637;
- }
- } else {
- // Currently, all FF >= 57 will reset the remote maximum message size
- // to the default value when a data channel is created at a later
- // stage. :(
- // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
- canSendMaxMessageSize =
- browserDetails.version === 57 ? 65535 : 65536;
- }
- }
- return canSendMaxMessageSize;
- };
-
- var getMaxMessageSize = function(description, remoteIsFirefox) {
- // Note: 65536 bytes is the default value from the SDP spec. Also,
- // every implementation we know supports receiving 65536 bytes.
- var maxMessageSize = 65536;
-
- // FF 57 has a slightly incorrect default remote max message size, so
- // we need to adjust it here to avoid a failure when sending.
- // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697
- if (browserDetails.browser === 'firefox'
- && browserDetails.version === 57) {
- maxMessageSize = 65535;
- }
-
- var match = SDPUtils.matchPrefix(description.sdp, 'a=max-message-size:');
- if (match.length > 0) {
- maxMessageSize = parseInt(match[0].substr(19), 10);
- } else if (browserDetails.browser === 'firefox' &&
- remoteIsFirefox !== -1) {
- // If the maximum message size is not present in the remote SDP and
- // both local and remote are Firefox, the remote peer can receive
- // ~2 GiB.
- maxMessageSize = 2147483637;
- }
- return maxMessageSize;
- };
-
- var origSetRemoteDescription =
- window.RTCPeerConnection.prototype.setRemoteDescription;
- window.RTCPeerConnection.prototype.setRemoteDescription = function() {
- var pc = this;
- pc._sctp = null;
-
- if (sctpInDescription(arguments[0])) {
- // Check if the remote is FF.
- var isFirefox = getRemoteFirefoxVersion(arguments[0]);
-
- // Get the maximum message size the local peer is capable of sending
- var canSendMMS = getCanSendMaxMessageSize(isFirefox);
-
- // Get the maximum message size of the remote peer.
- var remoteMMS = getMaxMessageSize(arguments[0], isFirefox);
-
- // Determine final maximum message size
- var maxMessageSize;
- if (canSendMMS === 0 && remoteMMS === 0) {
- maxMessageSize = Number.POSITIVE_INFINITY;
- } else if (canSendMMS === 0 || remoteMMS === 0) {
- maxMessageSize = Math.max(canSendMMS, remoteMMS);
- } else {
- maxMessageSize = Math.min(canSendMMS, remoteMMS);
- }
-
- // Create a dummy RTCSctpTransport object and the 'maxMessageSize'
- // attribute.
- var sctp = {};
- Object.defineProperty(sctp, 'maxMessageSize', {
- get: function() {
- return maxMessageSize;
- }
- });
- pc._sctp = sctp;
- }
-
- return origSetRemoteDescription.apply(pc, arguments);
- };
- },
-
- shimSendThrowTypeError: function(window) {
- // Note: Although Firefox >= 57 has a native implementation, the maximum
- // message size can be reset for all data channels at a later stage.
- // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
-
- var origCreateDataChannel =
- window.RTCPeerConnection.prototype.createDataChannel;
- window.RTCPeerConnection.prototype.createDataChannel = function() {
- var pc = this;
- var dataChannel = origCreateDataChannel.apply(pc, arguments);
- var origDataChannelSend = dataChannel.send;
-
- // Patch 'send' method
- dataChannel.send = function() {
- var dc = this;
- var data = arguments[0];
- var length = data.length || data.size || data.byteLength;
- if (length > pc.sctp.maxMessageSize) {
- throw new DOMException('Message too large (can send a maximum of ' +
- pc.sctp.maxMessageSize + ' bytes)', 'TypeError');
- }
- return origDataChannelSend.apply(dc, arguments);
- };
-
- return dataChannel;
- };
- }
-};
-
-},{"./utils":13,"sdp":2}],8:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var utils = require('../utils');
-var shimRTCPeerConnection = require('rtcpeerconnection-shim');
-
-module.exports = {
- shimGetUserMedia: require('./getusermedia'),
- shimPeerConnection: function(window) {
- var browserDetails = utils.detectBrowser(window);
-
- if (window.RTCIceGatherer) {
- // ORTC defines an RTCIceCandidate object but no constructor.
- // Not implemented in Edge.
- if (!window.RTCIceCandidate) {
- window.RTCIceCandidate = function(args) {
- return args;
- };
- }
- // ORTC does not have a session description object but
- // other browsers (i.e. Chrome) that will support both PC and ORTC
- // in the future might have this defined already.
- if (!window.RTCSessionDescription) {
- window.RTCSessionDescription = function(args) {
- return args;
- };
- }
- // this adds an additional event listener to MediaStrackTrack that signals
- // when a tracks enabled property was changed. Workaround for a bug in
- // addStream, see below. No longer required in 15025+
- if (browserDetails.version < 15025) {
- var origMSTEnabled = Object.getOwnPropertyDescriptor(
- window.MediaStreamTrack.prototype, 'enabled');
- Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {
- set: function(value) {
- origMSTEnabled.set.call(this, value);
- var ev = new Event('enabled');
- ev.enabled = value;
- this.dispatchEvent(ev);
- }
- });
- }
- }
-
- // ORTC defines the DTMF sender a bit different.
- // https://github.com/w3c/ortc/issues/714
- if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {
- Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
- get: function() {
- if (this._dtmf === undefined) {
- if (this.track.kind === 'audio') {
- this._dtmf = new window.RTCDtmfSender(this);
- } else if (this.track.kind === 'video') {
- this._dtmf = null;
- }
- }
- return this._dtmf;
- }
- });
- }
-
- window.RTCPeerConnection =
- shimRTCPeerConnection(window, browserDetails.version);
- },
- shimReplaceTrack: function(window) {
- // ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614
- if (window.RTCRtpSender &&
- !('replaceTrack' in window.RTCRtpSender.prototype)) {
- window.RTCRtpSender.prototype.replaceTrack =
- window.RTCRtpSender.prototype.setTrack;
- }
- }
-};
-
-},{"../utils":13,"./getusermedia":9,"rtcpeerconnection-shim":1}],9:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-// Expose public methods.
-module.exports = function(window) {
- var navigator = window && window.navigator;
-
- var shimError_ = function(e) {
- return {
- name: {PermissionDeniedError: 'NotAllowedError'}[e.name] || e.name,
- message: e.message,
- constraint: e.constraint,
- toString: function() {
- return this.name;
- }
- };
- };
-
- // getUserMedia error shim.
- var origGetUserMedia = navigator.mediaDevices.getUserMedia.
- bind(navigator.mediaDevices);
- navigator.mediaDevices.getUserMedia = function(c) {
- return origGetUserMedia(c).catch(function(e) {
- return Promise.reject(shimError_(e));
- });
- };
-};
-
-},{}],10:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var utils = require('../utils');
-
-module.exports = {
- shimGetUserMedia: require('./getusermedia'),
- shimOnTrack: function(window) {
- if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
- window.RTCPeerConnection.prototype)) {
- Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
- get: function() {
- return this._ontrack;
- },
- set: function(f) {
- if (this._ontrack) {
- this.removeEventListener('track', this._ontrack);
- this.removeEventListener('addstream', this._ontrackpoly);
- }
- this.addEventListener('track', this._ontrack = f);
- this.addEventListener('addstream', this._ontrackpoly = function(e) {
- e.stream.getTracks().forEach(function(track) {
- var event = new Event('track');
- event.track = track;
- event.receiver = {track: track};
- event.transceiver = {receiver: event.receiver};
- event.streams = [e.stream];
- this.dispatchEvent(event);
- }.bind(this));
- }.bind(this));
- }
- });
- }
- if (typeof window === 'object' && window.RTCTrackEvent &&
- ('receiver' in window.RTCTrackEvent.prototype) &&
- !('transceiver' in window.RTCTrackEvent.prototype)) {
- Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
- get: function() {
- return {receiver: this.receiver};
- }
- });
- }
- },
-
- shimSourceObject: function(window) {
- // Firefox has supported mozSrcObject since FF22, unprefixed in 42.
- if (typeof window === 'object') {
- if (window.HTMLMediaElement &&
- !('srcObject' in window.HTMLMediaElement.prototype)) {
- // Shim the srcObject property, once, when HTMLMediaElement is found.
- Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
- get: function() {
- return this.mozSrcObject;
- },
- set: function(stream) {
- this.mozSrcObject = stream;
- }
- });
- }
- }
- },
-
- shimPeerConnection: function(window) {
- var browserDetails = utils.detectBrowser(window);
-
- if (typeof window !== 'object' || !(window.RTCPeerConnection ||
- window.mozRTCPeerConnection)) {
- return; // probably media.peerconnection.enabled=false in about:config
- }
- // The RTCPeerConnection object.
- if (!window.RTCPeerConnection) {
- window.RTCPeerConnection = function(pcConfig, pcConstraints) {
- if (browserDetails.version < 38) {
- // .urls is not supported in FF < 38.
- // create RTCIceServers with a single url.
- if (pcConfig && pcConfig.iceServers) {
- var newIceServers = [];
- for (var i = 0; i < pcConfig.iceServers.length; i++) {
- var server = pcConfig.iceServers[i];
- if (server.hasOwnProperty('urls')) {
- for (var j = 0; j < server.urls.length; j++) {
- var newServer = {
- url: server.urls[j]
- };
- if (server.urls[j].indexOf('turn') === 0) {
- newServer.username = server.username;
- newServer.credential = server.credential;
- }
- newIceServers.push(newServer);
- }
- } else {
- newIceServers.push(pcConfig.iceServers[i]);
- }
- }
- pcConfig.iceServers = newIceServers;
- }
- }
- return new window.mozRTCPeerConnection(pcConfig, pcConstraints);
- };
- window.RTCPeerConnection.prototype =
- window.mozRTCPeerConnection.prototype;
-
- // wrap static methods. Currently just generateCertificate.
- if (window.mozRTCPeerConnection.generateCertificate) {
- Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
- get: function() {
- return window.mozRTCPeerConnection.generateCertificate;
- }
- });
- }
-
- window.RTCSessionDescription = window.mozRTCSessionDescription;
- window.RTCIceCandidate = window.mozRTCIceCandidate;
- }
-
- // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
- ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
- .forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- arguments[0] = new ((method === 'addIceCandidate') ?
- window.RTCIceCandidate :
- window.RTCSessionDescription)(arguments[0]);
- return nativeMethod.apply(this, arguments);
- };
- });
-
- // support for addIceCandidate(null or undefined)
- var nativeAddIceCandidate =
- window.RTCPeerConnection.prototype.addIceCandidate;
- window.RTCPeerConnection.prototype.addIceCandidate = function() {
- if (!arguments[0]) {
- if (arguments[1]) {
- arguments[1].apply(null);
- }
- return Promise.resolve();
- }
- return nativeAddIceCandidate.apply(this, arguments);
- };
-
- // shim getStats with maplike support
- var makeMapStats = function(stats) {
- var map = new Map();
- Object.keys(stats).forEach(function(key) {
- map.set(key, stats[key]);
- map[key] = stats[key];
- });
- return map;
- };
-
- var modernStatsTypes = {
- inboundrtp: 'inbound-rtp',
- outboundrtp: 'outbound-rtp',
- candidatepair: 'candidate-pair',
- localcandidate: 'local-candidate',
- remotecandidate: 'remote-candidate'
- };
-
- var nativeGetStats = window.RTCPeerConnection.prototype.getStats;
- window.RTCPeerConnection.prototype.getStats = function(
- selector,
- onSucc,
- onErr
- ) {
- return nativeGetStats.apply(this, [selector || null])
- .then(function(stats) {
- if (browserDetails.version < 48) {
- stats = makeMapStats(stats);
- }
- if (browserDetails.version < 53 && !onSucc) {
- // Shim only promise getStats with spec-hyphens in type names
- // Leave callback version alone; misc old uses of forEach before Map
- try {
- stats.forEach(function(stat) {
- stat.type = modernStatsTypes[stat.type] || stat.type;
- });
- } catch (e) {
- if (e.name !== 'TypeError') {
- throw e;
- }
- // Avoid TypeError: "type" is read-only, in old versions. 34-43ish
- stats.forEach(function(stat, i) {
- stats.set(i, Object.assign({}, stat, {
- type: modernStatsTypes[stat.type] || stat.type
- }));
- });
- }
- }
- return stats;
- })
- .then(onSucc, onErr);
- };
- },
-
- shimRemoveStream: function(window) {
- if (!window.RTCPeerConnection ||
- 'removeStream' in window.RTCPeerConnection.prototype) {
- return;
- }
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- var pc = this;
- utils.deprecated('removeStream', 'removeTrack');
- this.getSenders().forEach(function(sender) {
- if (sender.track && stream.getTracks().indexOf(sender.track) !== -1) {
- pc.removeTrack(sender);
- }
- });
- };
- }
-};
-
-},{"../utils":13,"./getusermedia":11}],11:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var utils = require('../utils');
-var logging = utils.log;
-
-// Expose public methods.
-module.exports = function(window) {
- var browserDetails = utils.detectBrowser(window);
- var navigator = window && window.navigator;
- var MediaStreamTrack = window && window.MediaStreamTrack;
-
- var shimError_ = function(e) {
- return {
- name: {
- InternalError: 'NotReadableError',
- NotSupportedError: 'TypeError',
- PermissionDeniedError: 'NotAllowedError',
- SecurityError: 'NotAllowedError'
- }[e.name] || e.name,
- message: {
- 'The operation is insecure.': 'The request is not allowed by the ' +
- 'user agent or the platform in the current context.'
- }[e.message] || e.message,
- constraint: e.constraint,
- toString: function() {
- return this.name + (this.message && ': ') + this.message;
- }
- };
- };
-
- // getUserMedia constraints shim.
- var getUserMedia_ = function(constraints, onSuccess, onError) {
- var constraintsToFF37_ = function(c) {
- if (typeof c !== 'object' || c.require) {
- return c;
- }
- var require = [];
- Object.keys(c).forEach(function(key) {
- if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
- return;
- }
- var r = c[key] = (typeof c[key] === 'object') ?
- c[key] : {ideal: c[key]};
- if (r.min !== undefined ||
- r.max !== undefined || r.exact !== undefined) {
- require.push(key);
- }
- if (r.exact !== undefined) {
- if (typeof r.exact === 'number') {
- r. min = r.max = r.exact;
- } else {
- c[key] = r.exact;
- }
- delete r.exact;
- }
- if (r.ideal !== undefined) {
- c.advanced = c.advanced || [];
- var oc = {};
- if (typeof r.ideal === 'number') {
- oc[key] = {min: r.ideal, max: r.ideal};
- } else {
- oc[key] = r.ideal;
- }
- c.advanced.push(oc);
- delete r.ideal;
- if (!Object.keys(r).length) {
- delete c[key];
- }
- }
- });
- if (require.length) {
- c.require = require;
- }
- return c;
- };
- constraints = JSON.parse(JSON.stringify(constraints));
- if (browserDetails.version < 38) {
- logging('spec: ' + JSON.stringify(constraints));
- if (constraints.audio) {
- constraints.audio = constraintsToFF37_(constraints.audio);
- }
- if (constraints.video) {
- constraints.video = constraintsToFF37_(constraints.video);
- }
- logging('ff37: ' + JSON.stringify(constraints));
- }
- return navigator.mozGetUserMedia(constraints, onSuccess, function(e) {
- onError(shimError_(e));
- });
- };
-
- // Returns the result of getUserMedia as a Promise.
- var getUserMediaPromise_ = function(constraints) {
- return new Promise(function(resolve, reject) {
- getUserMedia_(constraints, resolve, reject);
- });
- };
-
- // Shim for mediaDevices on older versions.
- if (!navigator.mediaDevices) {
- navigator.mediaDevices = {getUserMedia: getUserMediaPromise_,
- addEventListener: function() { },
- removeEventListener: function() { }
- };
- }
- navigator.mediaDevices.enumerateDevices =
- navigator.mediaDevices.enumerateDevices || function() {
- return new Promise(function(resolve) {
- var infos = [
- {kind: 'audioinput', deviceId: 'default', label: '', groupId: ''},
- {kind: 'videoinput', deviceId: 'default', label: '', groupId: ''}
- ];
- resolve(infos);
- });
- };
-
- if (browserDetails.version < 41) {
- // Work around http://bugzil.la/1169665
- var orgEnumerateDevices =
- navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);
- navigator.mediaDevices.enumerateDevices = function() {
- return orgEnumerateDevices().then(undefined, function(e) {
- if (e.name === 'NotFoundError') {
- return [];
- }
- throw e;
- });
- };
- }
- if (browserDetails.version < 49) {
- var origGetUserMedia = navigator.mediaDevices.getUserMedia.
- bind(navigator.mediaDevices);
- navigator.mediaDevices.getUserMedia = function(c) {
- return origGetUserMedia(c).then(function(stream) {
- // Work around https://bugzil.la/802326
- if (c.audio && !stream.getAudioTracks().length ||
- c.video && !stream.getVideoTracks().length) {
- stream.getTracks().forEach(function(track) {
- track.stop();
- });
- throw new DOMException('The object can not be found here.',
- 'NotFoundError');
- }
- return stream;
- }, function(e) {
- return Promise.reject(shimError_(e));
- });
- };
- }
- if (!(browserDetails.version > 55 &&
- 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
- var remap = function(obj, a, b) {
- if (a in obj && !(b in obj)) {
- obj[b] = obj[a];
- delete obj[a];
- }
- };
-
- var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.
- bind(navigator.mediaDevices);
- navigator.mediaDevices.getUserMedia = function(c) {
- if (typeof c === 'object' && typeof c.audio === 'object') {
- c = JSON.parse(JSON.stringify(c));
- remap(c.audio, 'autoGainControl', 'mozAutoGainControl');
- remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');
- }
- return nativeGetUserMedia(c);
- };
-
- if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
- var nativeGetSettings = MediaStreamTrack.prototype.getSettings;
- MediaStreamTrack.prototype.getSettings = function() {
- var obj = nativeGetSettings.apply(this, arguments);
- remap(obj, 'mozAutoGainControl', 'autoGainControl');
- remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
- return obj;
- };
- }
-
- if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
- var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;
- MediaStreamTrack.prototype.applyConstraints = function(c) {
- if (this.kind === 'audio' && typeof c === 'object') {
- c = JSON.parse(JSON.stringify(c));
- remap(c, 'autoGainControl', 'mozAutoGainControl');
- remap(c, 'noiseSuppression', 'mozNoiseSuppression');
- }
- return nativeApplyConstraints.apply(this, [c]);
- };
- }
- }
- navigator.getUserMedia = function(constraints, onSuccess, onError) {
- if (browserDetails.version < 44) {
- return getUserMedia_(constraints, onSuccess, onError);
- }
- // Replace Firefox 44+'s deprecation warning with unprefixed version.
- utils.deprecated('navigator.getUserMedia',
- 'navigator.mediaDevices.getUserMedia');
- navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
- };
-};
-
-},{"../utils":13}],12:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
-'use strict';
-var utils = require('../utils');
-
-module.exports = {
- shimLocalStreamsAPI: function(window) {
- if (typeof window !== 'object' || !window.RTCPeerConnection) {
- return;
- }
- if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {
- window.RTCPeerConnection.prototype.getLocalStreams = function() {
- if (!this._localStreams) {
- this._localStreams = [];
- }
- return this._localStreams;
- };
- }
- if (!('getStreamById' in window.RTCPeerConnection.prototype)) {
- window.RTCPeerConnection.prototype.getStreamById = function(id) {
- var result = null;
- if (this._localStreams) {
- this._localStreams.forEach(function(stream) {
- if (stream.id === id) {
- result = stream;
- }
- });
- }
- if (this._remoteStreams) {
- this._remoteStreams.forEach(function(stream) {
- if (stream.id === id) {
- result = stream;
- }
- });
- }
- return result;
- };
- }
- if (!('addStream' in window.RTCPeerConnection.prototype)) {
- var _addTrack = window.RTCPeerConnection.prototype.addTrack;
- window.RTCPeerConnection.prototype.addStream = function(stream) {
- if (!this._localStreams) {
- this._localStreams = [];
- }
- if (this._localStreams.indexOf(stream) === -1) {
- this._localStreams.push(stream);
- }
- var pc = this;
- stream.getTracks().forEach(function(track) {
- _addTrack.call(pc, track, stream);
- });
- };
-
- window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
- if (stream) {
- if (!this._localStreams) {
- this._localStreams = [stream];
- } else if (this._localStreams.indexOf(stream) === -1) {
- this._localStreams.push(stream);
- }
- }
- return _addTrack.call(this, track, stream);
- };
- }
- if (!('removeStream' in window.RTCPeerConnection.prototype)) {
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- if (!this._localStreams) {
- this._localStreams = [];
- }
- var index = this._localStreams.indexOf(stream);
- if (index === -1) {
- return;
- }
- this._localStreams.splice(index, 1);
- var pc = this;
- var tracks = stream.getTracks();
- this.getSenders().forEach(function(sender) {
- if (tracks.indexOf(sender.track) !== -1) {
- pc.removeTrack(sender);
- }
- });
- };
- }
- },
- shimRemoteStreamsAPI: function(window) {
- if (typeof window !== 'object' || !window.RTCPeerConnection) {
- return;
- }
- if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {
- window.RTCPeerConnection.prototype.getRemoteStreams = function() {
- return this._remoteStreams ? this._remoteStreams : [];
- };
- }
- if (!('onaddstream' in window.RTCPeerConnection.prototype)) {
- Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {
- get: function() {
- return this._onaddstream;
- },
- set: function(f) {
- var pc = this;
- if (this._onaddstream) {
- this.removeEventListener('addstream', this._onaddstream);
- this.removeEventListener('track', this._onaddstreampoly);
- }
- this.addEventListener('addstream', this._onaddstream = f);
- this.addEventListener('track', this._onaddstreampoly = function(e) {
- e.streams.forEach(function(stream) {
- if (!pc._remoteStreams) {
- pc._remoteStreams = [];
- }
- if (pc._remoteStreams.indexOf(stream) >= 0) {
- return;
- }
- pc._remoteStreams.push(stream);
- var event = new Event('addstream');
- event.stream = stream;
- pc.dispatchEvent(event);
- });
- });
- }
- });
- }
- },
- shimCallbacksAPI: function(window) {
- if (typeof window !== 'object' || !window.RTCPeerConnection) {
- return;
- }
- var prototype = window.RTCPeerConnection.prototype;
- var createOffer = prototype.createOffer;
- var createAnswer = prototype.createAnswer;
- var setLocalDescription = prototype.setLocalDescription;
- var setRemoteDescription = prototype.setRemoteDescription;
- var addIceCandidate = prototype.addIceCandidate;
-
- prototype.createOffer = function(successCallback, failureCallback) {
- var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
- var promise = createOffer.apply(this, [options]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
-
- prototype.createAnswer = function(successCallback, failureCallback) {
- var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
- var promise = createAnswer.apply(this, [options]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
-
- var withCallback = function(description, successCallback, failureCallback) {
- var promise = setLocalDescription.apply(this, [description]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
- prototype.setLocalDescription = withCallback;
-
- withCallback = function(description, successCallback, failureCallback) {
- var promise = setRemoteDescription.apply(this, [description]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
- prototype.setRemoteDescription = withCallback;
-
- withCallback = function(candidate, successCallback, failureCallback) {
- var promise = addIceCandidate.apply(this, [candidate]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
- prototype.addIceCandidate = withCallback;
- },
- shimGetUserMedia: function(window) {
- var navigator = window && window.navigator;
-
- if (!navigator.getUserMedia) {
- if (navigator.webkitGetUserMedia) {
- navigator.getUserMedia = navigator.webkitGetUserMedia.bind(navigator);
- } else if (navigator.mediaDevices &&
- navigator.mediaDevices.getUserMedia) {
- navigator.getUserMedia = function(constraints, cb, errcb) {
- navigator.mediaDevices.getUserMedia(constraints)
- .then(cb, errcb);
- }.bind(navigator);
- }
- }
- },
- shimRTCIceServerUrls: function(window) {
- // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
- var OrigPeerConnection = window.RTCPeerConnection;
- window.RTCPeerConnection = function(pcConfig, pcConstraints) {
- if (pcConfig && pcConfig.iceServers) {
- var newIceServers = [];
- for (var i = 0; i < pcConfig.iceServers.length; i++) {
- var server = pcConfig.iceServers[i];
- if (!server.hasOwnProperty('urls') &&
- server.hasOwnProperty('url')) {
- utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
- server = JSON.parse(JSON.stringify(server));
- server.urls = server.url;
- delete server.url;
- newIceServers.push(server);
- } else {
- newIceServers.push(pcConfig.iceServers[i]);
- }
- }
- pcConfig.iceServers = newIceServers;
- }
- return new OrigPeerConnection(pcConfig, pcConstraints);
- };
- window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
- // wrap static methods. Currently just generateCertificate.
- if ('generateCertificate' in window.RTCPeerConnection) {
- Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
- get: function() {
- return OrigPeerConnection.generateCertificate;
- }
- });
- }
- },
- shimTrackEventTransceiver: function(window) {
- // Add event.transceiver member over deprecated event.receiver
- if (typeof window === 'object' && window.RTCPeerConnection &&
- ('receiver' in window.RTCTrackEvent.prototype) &&
- // can't check 'transceiver' in window.RTCTrackEvent.prototype, as it is
- // defined for some reason even when window.RTCTransceiver is not.
- !window.RTCTransceiver) {
- Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
- get: function() {
- return {receiver: this.receiver};
- }
- });
- }
- },
-
- shimCreateOfferLegacy: function(window) {
- var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
- window.RTCPeerConnection.prototype.createOffer = function(offerOptions) {
- var pc = this;
- if (offerOptions) {
- var audioTransceiver = pc.getTransceivers().find(function(transceiver) {
- return transceiver.sender.track &&
- transceiver.sender.track.kind === 'audio';
- });
- if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {
- if (audioTransceiver.direction === 'sendrecv') {
- if (audioTransceiver.setDirection) {
- audioTransceiver.setDirection('sendonly');
- } else {
- audioTransceiver.direction = 'sendonly';
- }
- } else if (audioTransceiver.direction === 'recvonly') {
- if (audioTransceiver.setDirection) {
- audioTransceiver.setDirection('inactive');
- } else {
- audioTransceiver.direction = 'inactive';
- }
- }
- } else if (offerOptions.offerToReceiveAudio === true &&
- !audioTransceiver) {
- pc.addTransceiver('audio');
- }
-
- var videoTransceiver = pc.getTransceivers().find(function(transceiver) {
- return transceiver.sender.track &&
- transceiver.sender.track.kind === 'video';
- });
- if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {
- if (videoTransceiver.direction === 'sendrecv') {
- videoTransceiver.setDirection('sendonly');
- } else if (videoTransceiver.direction === 'recvonly') {
- videoTransceiver.setDirection('inactive');
- }
- } else if (offerOptions.offerToReceiveVideo === true &&
- !videoTransceiver) {
- pc.addTransceiver('video');
- }
- }
- return origCreateOffer.apply(pc, arguments);
- };
- }
-};
-
-},{"../utils":13}],13:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var logDisabled_ = true;
-var deprecationWarnings_ = true;
-
-/**
- * Extract browser version out of the provided user agent string.
- *
- * @param {!string} uastring userAgent string.
- * @param {!string} expr Regular expression used as match criteria.
- * @param {!number} pos position in the version string to be returned.
- * @return {!number} browser version.
- */
-function extractVersion(uastring, expr, pos) {
- var match = uastring.match(expr);
- return match && match.length >= pos && parseInt(match[pos], 10);
-}
-
-// Wraps the peerconnection event eventNameToWrap in a function
-// which returns the modified event object.
-function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {
- if (!window.RTCPeerConnection) {
- return;
- }
- var proto = window.RTCPeerConnection.prototype;
- var nativeAddEventListener = proto.addEventListener;
- proto.addEventListener = function(nativeEventName, cb) {
- if (nativeEventName !== eventNameToWrap) {
- return nativeAddEventListener.apply(this, arguments);
- }
- var wrappedCallback = function(e) {
- cb(wrapper(e));
- };
- this._eventMap = this._eventMap || {};
- this._eventMap[cb] = wrappedCallback;
- return nativeAddEventListener.apply(this, [nativeEventName,
- wrappedCallback]);
- };
-
- var nativeRemoveEventListener = proto.removeEventListener;
- proto.removeEventListener = function(nativeEventName, cb) {
- if (nativeEventName !== eventNameToWrap || !this._eventMap
- || !this._eventMap[cb]) {
- return nativeRemoveEventListener.apply(this, arguments);
- }
- var unwrappedCb = this._eventMap[cb];
- delete this._eventMap[cb];
- return nativeRemoveEventListener.apply(this, [nativeEventName,
- unwrappedCb]);
- };
-
- Object.defineProperty(proto, 'on' + eventNameToWrap, {
- get: function() {
- return this['_on' + eventNameToWrap];
- },
- set: function(cb) {
- if (this['_on' + eventNameToWrap]) {
- this.removeEventListener(eventNameToWrap,
- this['_on' + eventNameToWrap]);
- delete this['_on' + eventNameToWrap];
- }
- if (cb) {
- this.addEventListener(eventNameToWrap,
- this['_on' + eventNameToWrap] = cb);
- }
- }
- });
-}
-
-// Utility methods.
-module.exports = {
- extractVersion: extractVersion,
- wrapPeerConnectionEvent: wrapPeerConnectionEvent,
- disableLog: function(bool) {
- if (typeof bool !== 'boolean') {
- return new Error('Argument type: ' + typeof bool +
- '. Please use a boolean.');
- }
- logDisabled_ = bool;
- return (bool) ? 'adapter.js logging disabled' :
- 'adapter.js logging enabled';
- },
-
- /**
- * Disable or enable deprecation warnings
- * @param {!boolean} bool set to true to disable warnings.
- */
- disableWarnings: function(bool) {
- if (typeof bool !== 'boolean') {
- return new Error('Argument type: ' + typeof bool +
- '. Please use a boolean.');
- }
- deprecationWarnings_ = !bool;
- return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');
- },
-
- log: function() {
- if (typeof window === 'object') {
- if (logDisabled_) {
- return;
- }
- if (typeof console !== 'undefined' && typeof console.log === 'function') {
- console.log.apply(console, arguments);
- }
- }
- },
-
- /**
- * Shows a deprecation warning suggesting the modern and spec-compatible API.
- */
- deprecated: function(oldMethod, newMethod) {
- if (!deprecationWarnings_) {
- return;
- }
- console.warn(oldMethod + ' is deprecated, please use ' + newMethod +
- ' instead.');
- },
-
- /**
- * Browser detector.
- *
- * @return {object} result containing browser and version
- * properties.
- */
- detectBrowser: function(window) {
- var navigator = window && window.navigator;
-
- // Returned result object.
- var result = {};
- result.browser = null;
- result.version = null;
-
- // Fail early if it's not a browser
- if (typeof window === 'undefined' || !window.navigator) {
- result.browser = 'Not a browser.';
- return result;
- }
-
- if (navigator.mozGetUserMedia) { // Firefox.
- result.browser = 'firefox';
- result.version = extractVersion(navigator.userAgent,
- /Firefox\/(\d+)\./, 1);
- } else if (navigator.webkitGetUserMedia) {
- // Chrome, Chromium, Webview, Opera.
- // Version matches Chrome/WebRTC version.
- result.browser = 'chrome';
- result.version = extractVersion(navigator.userAgent,
- /Chrom(e|ium)\/(\d+)\./, 2);
- } else if (navigator.mediaDevices &&
- navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) { // Edge.
- result.browser = 'edge';
- result.version = extractVersion(navigator.userAgent,
- /Edge\/(\d+).(\d+)$/, 2);
- } else if (navigator.mediaDevices &&
- navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) { // Safari.
- result.browser = 'safari';
- result.version = extractVersion(navigator.userAgent,
- /AppleWebKit\/(\d+)\./, 1);
- } else { // Default fallthrough: not supported.
- result.browser = 'Not a supported browser.';
- return result;
- }
-
- return result;
- }
-};
-
-},{}]},{},[3])(3)
-});
\ No newline at end of file
+(function($){function findLine(sdpLines,prefix,substr){return findLineInRange(sdpLines,0,-1,prefix,substr);}
+function findLineInRange(sdpLines,startLine,endLine,prefix,substr){var realEndLine=(endLine!=-1)?endLine:sdpLines.length;for(var i=startLine;i=0;if(iOS){self.options.useVideo.setAttribute("playsinline",true);}}
+var element=self.options.useAudio;console.log("REMOTE STREAM",stream,element);FSRTCattachMediaStream(element,stream);self.remoteStream=stream;onRemoteStreamSuccess(self,stream);}
+function onOfferSDP(self,sdp){self.mediaData.SDP=self.stereoHack(sdp.sdp);console.log("Offer SDP");doCallback(self,"onOfferSDP");}
+$.FSRTC.prototype.answer=function(sdp,onSuccess,onError){this.peer.addAnswerSDP({type:"answer",sdp:sdp},onSuccess,onError);};$.FSRTC.prototype.stopPeer=function(){if(self.peer){console.log("stopping peer");self.peer.stop();}}
+$.FSRTC.prototype.stop=function(){var self=this;if(self.options.useVideo){self.options.useVideo.style.display='none';self.options.useVideo['src']='';}
+if(self.localStream&&!self.options.useStream){if(typeof self.localStream.stop=='function'){self.localStream.stop();}else{if(self.localStream.active){var tracks=self.localStream.getTracks();console.log(tracks);tracks.forEach(function(track,index){console.log(track);track.stop();})}}
+self.localStream=null;}
+if(self.options.localVideo){deactivateLocalVideo(self.options.localVideo);}
+if(self.options.localVideoStream&&!self.options.useStream){if(typeof self.options.localVideoStream.stop=='function'){self.options.localVideoStream.stop();}else{if(self.options.localVideoStream.active){var tracks=self.options.localVideoStream.getTracks();console.log(tracks);tracks.forEach(function(track,index){console.log(track);track.stop();})}}}
+if(self.peer){console.log("stopping peer");self.peer.stop();}};$.FSRTC.prototype.getMute=function(){var self=this;return self.audioEnabled;}
+$.FSRTC.prototype.setMute=function(what){var self=this;if(!self.localStream){return false;}
+var audioTracks=self.localStream.getAudioTracks();for(var i=0,len=audioTracks.length;i=w&&$.FSRTC.validRes[i][1]>=h){w=$.FSRTC.validRes[i][0];h=$.FSRTC.validRes[i][1];}}
+return[w,h];}
+var resList=[[160,120],[320,180],[320,240],[640,360],[640,480],[1280,720],[1920,1080]];var resI=0;var ttl=0;var checkRes=function(cam,func){if(resI>=resList.length){var res={'validRes':$.FSRTC.validRes,'bestResSupported':$.FSRTC.bestResSupported()};localStorage.setItem("res_"+cam,$.toJSON(res));if(func)return func(res);return;}
+w=resList[resI][0];h=resList[resI][1];resI++;var video={width:{exact:w},height:{exact:h}};if(cam!=="any"){video=assignMediaIdToConstraint(cam,video);}
+getUserMedia({constraints:{audio:ttl++==0,video:video},onsuccess:function(e){e.getTracks().forEach(function(track){track.stop();});console.info(w+"x"+h+" supported.");$.FSRTC.validRes.push([w,h]);checkRes(cam,func);},onerror:function(e){console.warn(w+"x"+h+" not supported.");checkRes(cam,func);}});}
+$.FSRTC.getValidRes=function(cam,func){var used=[];var cached=localStorage.getItem("res_"+cam);if(cached){var cache=$.parseJSON(cached);if(cache){$.FSRTC.validRes=cache.validRes;console.log("CACHED RES FOR CAM "+cam,cache);}else{console.error("INVALID CACHE");}
+return func?func(cache):null;}
+$.FSRTC.validRes=[];resI=0;checkRes(cam,func);}
+$.FSRTC.checkPerms=function(runtime,check_audio,check_video){getUserMedia({constraints:{audio:check_audio,video:check_video,},onsuccess:function(e){e.getTracks().forEach(function(track){track.stop();});console.info("media perm init complete");if(runtime){setTimeout(runtime,100,true);}},onerror:function(e){if(check_video&&check_audio){console.error("error, retesting with audio params only");return $.FSRTC.checkPerms(runtime,check_audio,false);}
+console.error("media perm init error");if(runtime){runtime(false)}}});}})(jQuery);(function($){$.JsonRpcClient=function(options){var self=this;this.options=$.extend({ajaxUrl:null,socketUrl:null,onmessage:null,login:null,passwd:null,sessid:null,loginParams:null,userVariables:null,getSocket:function(onmessage_cb){return self._getSocket(onmessage_cb);}},options);self.ws_cnt=0;this.wsOnMessage=function(event){self._wsOnMessage(event);};};$.JsonRpcClient.prototype._ws_socket=null;$.JsonRpcClient.prototype._ws_callbacks={};$.JsonRpcClient.prototype._current_id=1;$.JsonRpcClient.prototype.speedTest=function(bytes,cb){var socket=this.options.getSocket(this.wsOnMessage);if(socket!==null){this.speedCB=cb;this.speedBytes=bytes;socket.send("#SPU "+bytes);var loops=bytes/1024;var rem=bytes%1024;var i;var data=new Array(1024).join(".");for(i=0;i1){return false;}
+return true;};$.JsonRpcClient.prototype.closeSocket=function(){var self=this;if(self.socketReady()){self._ws_socket.onclose=function(w){console.log("Closing Socket");};self._ws_socket.close();}};$.JsonRpcClient.prototype.loginData=function(params){var self=this;self.options.login=params.login;self.options.passwd=params.passwd;self.options.loginParams=params.loginParams;self.options.userVariables=params.userVariables;};$.JsonRpcClient.prototype.connectSocket=function(onmessage_cb){var self=this;if(self.to){clearTimeout(self.to);}
+if(!self.socketReady()){self.authing=false;if(self._ws_socket){delete self._ws_socket;}
+self._ws_socket=new WebSocket(self.options.socketUrl);if(self._ws_socket){self._ws_socket.onmessage=onmessage_cb;self._ws_socket.onclose=function(w){if(!self.ws_sleep){self.ws_sleep=1000;}
+if(self.options.onWSClose){self.options.onWSClose(self);}
+if(self.ws_cnt>10&&self.options.wsFallbackURL){self.options.socketUrl=self.options.wsFallbackURL;}
+console.error("Websocket Lost "+self.ws_cnt+" sleep: "+self.ws_sleep+"msec");self.to=setTimeout(function(){console.log("Attempting Reconnection....");self.connectSocket(onmessage_cb);},self.ws_sleep);self.ws_cnt++;if(self.ws_sleep<3000&&(self.ws_cnt%10)===0){self.ws_sleep+=1000;}};self._ws_socket.onopen=function(){if(self.to){clearTimeout(self.to);}
+self.ws_sleep=1000;self.ws_cnt=0;if(self.options.onWSConnect){self.options.onWSConnect(self);}
+var req;while((req=$.JsonRpcClient.q.pop())){self._ws_socket.send(req);}};}}
+return self._ws_socket?true:false;};$.JsonRpcClient.prototype.stopRetrying=function(){if(self.to)
+clearTimeout(self.to);}
+$.JsonRpcClient.prototype._getSocket=function(onmessage_cb){if(this.options.socketUrl===null||!("WebSocket"in window))return null;this.connectSocket(onmessage_cb);return this._ws_socket;};$.JsonRpcClient.q=[];$.JsonRpcClient.prototype._wsCall=function(socket,request,success_cb,error_cb){var request_json=$.toJSON(request);if(socket.readyState<1){self=this;$.JsonRpcClient.q.push(request_json);}else{socket.send(request_json);}
+if('id'in request&&typeof success_cb!=='undefined'){this._ws_callbacks[request.id]={request:request_json,request_obj:request,success_cb:success_cb,error_cb:error_cb};}};$.JsonRpcClient.prototype._wsOnMessage=function(event){var response;if(event.data[0]=="#"&&event.data[1]=="S"&&event.data[2]=="P"){if(event.data[3]=="U"){this.up_dur=parseInt(event.data.substring(4));}else if(this.speedCB&&event.data[3]=="D"){this.down_dur=parseInt(event.data.substring(4));var up_kps=(((this.speedBytes*8)/(this.up_dur/1000))/1024).toFixed(0);var down_kps=(((this.speedBytes*8)/(this.down_dur/1000))/1024).toFixed(0);console.info("Speed Test: Up: "+up_kps+" Down: "+down_kps);var cb=this.speedCB;this.speedCB=null;cb(event,{upDur:this.up_dur,downDur:this.down_dur,upKPS:up_kps,downKPS:down_kps});}
+return;}
+try{response=$.parseJSON(event.data);if(typeof response==='object'&&'jsonrpc'in response&&response.jsonrpc==='2.0'){if('result'in response&&this._ws_callbacks[response.id]){var success_cb=this._ws_callbacks[response.id].success_cb;delete this._ws_callbacks[response.id];success_cb(response.result,this);return;}else if('error'in response&&this._ws_callbacks[response.id]){var error_cb=this._ws_callbacks[response.id].error_cb;var orig_req=this._ws_callbacks[response.id].request;if(!self.authing&&response.error.code==-32000&&self.options.login&&self.options.passwd){self.authing=true;this.call("login",{login:self.options.login,passwd:self.options.passwd,loginParams:self.options.loginParams,userVariables:self.options.userVariables},this._ws_callbacks[response.id].request_obj.method=="login"?function(e){self.authing=false;console.log("logged in");delete self._ws_callbacks[response.id];if(self.options.onWSLogin){self.options.onWSLogin(true,self);}}:function(e){self.authing=false;console.log("logged in, resending request id: "+response.id);var socket=self.options.getSocket(self.wsOnMessage);if(socket!==null){socket.send(orig_req);}
+if(self.options.onWSLogin){self.options.onWSLogin(true,self);}},function(e){console.log("error logging in, request id:",response.id);delete self._ws_callbacks[response.id];error_cb(response.error,this);if(self.options.onWSLogin){self.options.onWSLogin(false,self);}});return;}
+delete this._ws_callbacks[response.id];error_cb(response.error,this);return;}}}catch(err){console.log("ERROR: "+err);return;}
+if(typeof this.options.onmessage==='function'){event.eventData=response;if(!event.eventData){event.eventData={};}
+var reply=this.options.onmessage(event);if(reply&&typeof reply==="object"&&event.eventData.id){var msg={jsonrpc:"2.0",id:event.eventData.id,result:reply};var socket=self.options.getSocket(self.wsOnMessage);if(socket!==null){socket.send($.toJSON(msg));}}}};$.JsonRpcClient._batchObject=function(jsonrpcclient,all_done_cb,error_cb){this._requests=[];this.jsonrpcclient=jsonrpcclient;this.all_done_cb=all_done_cb;this.error_cb=typeof error_cb==='function'?error_cb:function(){};};$.JsonRpcClient._batchObject.prototype.call=function(method,params,success_cb,error_cb){if(!params){params={};}
+if(this.options.sessid){params.sessid=this.options.sessid;}
+if(!success_cb){success_cb=function(e){console.log("Success: ",e);};}
+if(!error_cb){error_cb=function(e){console.log("Error: ",e);};}
+this._requests.push({request:{jsonrpc:'2.0',method:method,params:params,id:this.jsonrpcclient._current_id++},success_cb:success_cb,error_cb:error_cb});};$.JsonRpcClient._batchObject.prototype.notify=function(method,params){if(this.options.sessid){params.sessid=this.options.sessid;}
+this._requests.push({request:{jsonrpc:'2.0',method:method,params:params}});};$.JsonRpcClient._batchObject.prototype._execute=function(){var self=this;if(this._requests.length===0)return;var batch_request=[];var handlers={};var i=0;var call;var success_cb;var error_cb;var socket=self.jsonrpcclient.options.getSocket(self.jsonrpcclient.wsOnMessage);if(socket!==null){for(i=0;i0){data.params.useVideo=true;}
+if(data.params.sdp&&data.params.sdp.indexOf("stereo=1")>0){data.params.useStereo=true;}
+dialog=new $.verto.dialog($.verto.enum.direction.inbound,verto,data.params);dialog.setState($.verto.enum.state.recovering);break;case'verto.invite':if(data.params.sdp&&data.params.sdp.indexOf("m=video")>0){data.params.wantVideo=true;}
+if(data.params.sdp&&data.params.sdp.indexOf("stereo=1")>0){data.params.useStereo=true;}
+dialog=new $.verto.dialog($.verto.enum.direction.inbound,verto,data.params);break;default:console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED");break;}}
+return{method:data.method};}else{switch(data.method){case'verto.punt':verto.purge();verto.logout();break;case'verto.event':var list=null;var key=null;if(data.params){key=data.params.eventChannel;}
+if(key){list=verto.eventSUBS[key];if(!list){list=verto.eventSUBS[key.split(".")[0]];}}
+if(!list&&key&&key===verto.sessid){if(verto.callbacks.onMessage){verto.callbacks.onMessage(verto,null,$.verto.enum.message.pvtEvent,data.params);}}else if(!list&&key&&verto.dialogs[key]){verto.dialogs[key].sendMessage($.verto.enum.message.pvtEvent,data.params);}else if(!list){if(!key){key="UNDEFINED";}
+console.error("UNSUBBED or invalid EVENT "+key+" IGNORED");}else{for(var i in list){var sub=list[i];if(!sub||!sub.ready){console.error("invalid EVENT for "+key+" IGNORED");}else if(sub.handler){sub.handler(verto,data.params,sub.userData);}else if(verto.callbacks.onEvent){verto.callbacks.onEvent(verto,data.params,sub.userData);}else{console.log("EVENT:",data.params);}}}
+break;case"verto.info":if(verto.callbacks.onMessage){verto.callbacks.onMessage(verto,null,$.verto.enum.message.info,data.params.msg);}
+console.debug("MESSAGE from: "+data.params.msg.from,data.params.msg.body);break;case'verto.clientReady':if(verto.callbacks.onMessage){verto.callbacks.onMessage(verto,null,$.verto.enum.message.clientReady,data.params);}
+console.debug("CLIENT READY",data.params);break;default:console.error("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED",data.method);break;}}};var del_array=function(array,name){var r=[];var len=array.length;for(var i=0;i=array.length){array.push(name);}else{var x=0;var n=[];var len=array.length;for(var i=0;i":"\n");});return str;};};$.verto.liveArray=function(verto,context,name,config){var la=this;var lastSerno=0;var binding=null;var user_obj=config.userObj;var local=false;hashArray.call(la);la._add=la.add;la._del=la.del;la._reorder=la.reorder;la._clear=la.clear;la.context=context;la.name=name;la.user_obj=user_obj;la.verto=verto;la.broadcast=function(channel,obj){verto.broadcast(channel,obj);};la.errs=0;la.clear=function(){la._clear();lastSerno=0;if(la.onChange){la.onChange(la,{action:"clear"});}};la.checkSerno=function(serno){if(serno<0){return true;}
+if(lastSerno>0&&serno!=(lastSerno+1)){if(la.onErr){la.onErr(la,{lastSerno:lastSerno,serno:serno});}
+la.errs++;console.debug(la.errs);if(la.errs<3){la.bootstrap(la.user_obj);}
+return false;}else{lastSerno=serno;return true;}};la.reorder=function(serno,a){if(la.checkSerno(serno)){la._reorder(a);if(la.onChange){la.onChange(la,{serno:serno,action:"reorder"});}}};la.init=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
+if(la.checkSerno(serno)){if(la.onChange){la.onChange(la,{serno:serno,action:"init",index:index,key:key,data:val});}}};la.bootObj=function(serno,val){if(la.checkSerno(serno)){for(var i in val){la._add(val[i][0],val[i][1]);}
+if(la.onChange){la.onChange(la,{serno:serno,action:"bootObj",data:val,redraw:true});}}};la.add=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
+if(la.checkSerno(serno)){var redraw=la._add(key,val,index);if(la.onChange){la.onChange(la,{serno:serno,action:"add",index:index,key:key,data:val,redraw:redraw});}}};la.modify=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
+if(la.checkSerno(serno)){la._add(key,val,index);if(la.onChange){la.onChange(la,{serno:serno,action:"modify",key:key,data:val,index:index});}}};la.del=function(serno,key,index){if(key===null||key===undefined){key=serno;}
+if(la.checkSerno(serno)){if(index===null||index<0||index===undefined){index=la.indexOf(key);}
+var ok=la._del(key);if(ok&&la.onChange){la.onChange(la,{serno:serno,action:"del",key:key,index:index});}}};var eventHandler=function(v,e,la){var packet=e.data;if(packet.name!=la.name){return;}
+switch(packet.action){case"init":la.init(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);break;case"bootObj":la.bootObj(packet.wireSerno,packet.data);break;case"add":la.add(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);break;case"modify":if(!(packet.arrIndex||packet.hashKey)){console.error("Invalid Packet",packet);}else{la.modify(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);}
+break;case"del":if(!(packet.arrIndex||packet.hashKey)){console.error("Invalid Packet",packet);}else{la.del(packet.wireSerno,packet.hashKey,packet.arrIndex);}
+break;case"clear":la.clear();break;case"reorder":la.reorder(packet.wireSerno,packet.order);break;default:if(la.checkSerno(packet.wireSerno)){if(la.onChange){la.onChange(la,{serno:packet.wireSerno,action:packet.action,data:packet.data});}}
+break;}};if(la.context){binding=la.verto.subscribe(la.context,{handler:eventHandler,userData:la,subParams:config.subParams});}
+la.destroy=function(){la._clear();la.verto.unsubscribe(binding);};la.sendCommand=function(cmd,obj){var self=la;self.broadcast(self.context,{liveArray:{command:cmd,context:self.context,name:self.name,obj:obj}});};la.bootstrap=function(obj){var self=la;la.sendCommand("bootstrap",obj);};la.changepage=function(obj){var self=la;self.clear();self.broadcast(self.context,{liveArray:{command:"changepage",context:la.context,name:la.name,obj:obj}});};la.heartbeat=function(obj){var self=la;var callback=function(){self.heartbeat.call(self,obj);};self.broadcast(self.context,{liveArray:{command:"heartbeat",context:self.context,name:self.name,obj:obj}});self.hb_pid=setTimeout(callback,30000);};la.bootstrap(la.user_obj);};$.verto.liveTable=function(verto,context,name,jq,config){var dt;var la=new $.verto.liveArray(verto,context,name,{subParams:config.subParams});var lt=this;lt.liveArray=la;lt.dataTable=dt;lt.verto=verto;lt.destroy=function(){if(dt){dt.fnDestroy();}
+if(la){la.destroy();}
+dt=null;la=null;};la.onErr=function(obj,args){console.error("Error: ",obj,args);};function genRow(data){if(typeof(data[4])==="string"&&data[4].indexOf("{")>-1){var tmp=$.parseJSON(data[4]);data[4]=tmp.oldStatus;data[5]=null;}
+return data;}
+function genArray(obj){var data=obj.asArray();for(var i in data){data[i]=genRow(data[i]);}
+return data;}
+la.onChange=function(obj,args){var index=0;var iserr=0;if(!dt){if(!config.aoColumns){if(args.action!="init"){return;}
+config.aoColumns=[];for(var i in args.data){config.aoColumns.push({"sTitle":args.data[i]});}}
+dt=jq.dataTable(config);}
+if(dt&&(args.action=="del"||args.action=="modify")){index=args.index;if(index===undefined&&args.key){index=la.indexOf(args.key);}
+if(index===undefined){console.error("INVALID PACKET Missing INDEX\n",args);return;}}
+if(config.onChange){config.onChange(obj,args);}
+try{switch(args.action){case"bootObj":if(!args.data){console.error("missing data");return;}
+dt.fnClearTable();dt.fnAddData(genArray(obj));dt.fnAdjustColumnSizing();break;case"add":if(!args.data){console.error("missing data");return;}
+if(args.redraw>-1){dt.fnClearTable();dt.fnAddData(genArray(obj));}else{dt.fnAddData(genRow(args.data));}
+dt.fnAdjustColumnSizing();break;case"modify":if(!args.data){return;}
+dt.fnUpdate(genRow(args.data),index);dt.fnAdjustColumnSizing();break;case"del":dt.fnDeleteRow(index);dt.fnAdjustColumnSizing();break;case"clear":dt.fnClearTable();break;case"reorder":dt.fnClearTable();dt.fnAddData(genArray(obj));break;case"hide":jq.hide();break;case"show":jq.show();break;}}catch(err){console.error("ERROR: "+err);iserr++;}
+if(iserr){obj.errs++;if(obj.errs<3){obj.bootstrap(obj.user_obj);}}else{obj.errs=0;}};la.onChange(la,{action:"init"});};var CONFMAN_SERNO=1;$.verto.conf=function(verto,params){var conf=this;conf.params=$.extend({dialog:null,hasVid:false,laData:null,onBroadcast:null,onLaChange:null,onLaRow:null},params);conf.verto=verto;conf.serno=CONFMAN_SERNO++;createMainModeratorMethods();verto.subscribe(conf.params.laData.modChannel,{handler:function(v,e){if(conf.params.onBroadcast){conf.params.onBroadcast(verto,conf,e.data);}}});verto.subscribe(conf.params.laData.infoChannel,{handler:function(v,e){if(typeof(conf.params.infoCallback)==="function"){conf.params.infoCallback(v,e);}}});verto.subscribe(conf.params.laData.chatChannel,{handler:function(v,e){if(typeof(conf.params.chatCallback)==="function"){conf.params.chatCallback(v,e);}}});};$.verto.conf.prototype.modCommand=function(cmd,id,value){var conf=this;conf.verto.rpcClient.call("verto.broadcast",{"eventChannel":conf.params.laData.modChannel,"data":{"application":"conf-control","command":cmd,"id":id,"value":value}});};$.verto.conf.prototype.destroy=function(){var conf=this;conf.destroyed=true;conf.params.onBroadcast(conf.verto,conf,'destroy');if(conf.params.laData.modChannel){conf.verto.unsubscribe(conf.params.laData.modChannel);}
+if(conf.params.laData.chatChannel){conf.verto.unsubscribe(conf.params.laData.chatChannel);}
+if(conf.params.laData.infoChannel){conf.verto.unsubscribe(conf.params.laData.infoChannel);}};function createMainModeratorMethods(){$.verto.conf.prototype.listVideoLayouts=function(){this.modCommand("list-videoLayouts",null,null);};$.verto.conf.prototype.play=function(file){this.modCommand("play",null,file);};$.verto.conf.prototype.stop=function(){this.modCommand("stop",null,"all");};$.verto.conf.prototype.deaf=function(memberID){this.modCommand("deaf",parseInt(memberID));};$.verto.conf.prototype.undeaf=function(memberID){this.modCommand("undeaf",parseInt(memberID));};$.verto.conf.prototype.record=function(file){this.modCommand("recording",null,["start",file]);};$.verto.conf.prototype.stopRecord=function(){this.modCommand("recording",null,["stop","all"]);};$.verto.conf.prototype.snapshot=function(file){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("vid-write-png",null,file);};$.verto.conf.prototype.setVideoLayout=function(layout,canvasID){if(!this.params.hasVid){throw'Conference has no video';}
+if(canvasID){this.modCommand("vid-layout",null,[layout,canvasID]);}else{this.modCommand("vid-layout",null,layout);}};$.verto.conf.prototype.kick=function(memberID){this.modCommand("kick",parseInt(memberID));};$.verto.conf.prototype.muteMic=function(memberID){this.modCommand("tmute",parseInt(memberID));};$.verto.conf.prototype.muteVideo=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("tvmute",parseInt(memberID));};$.verto.conf.prototype.presenter=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("vid-res-id",parseInt(memberID),"presenter");};$.verto.conf.prototype.videoFloor=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("vid-floor",parseInt(memberID),"force");};$.verto.conf.prototype.banner=function(memberID,text){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("vid-banner",parseInt(memberID),escape(text));};$.verto.conf.prototype.volumeDown=function(memberID){this.modCommand("volume_out",parseInt(memberID),"down");};$.verto.conf.prototype.volumeUp=function(memberID){this.modCommand("volume_out",parseInt(memberID),"up");};$.verto.conf.prototype.gainDown=function(memberID){this.modCommand("volume_in",parseInt(memberID),"down");};$.verto.conf.prototype.gainUp=function(memberID){this.modCommand("volume_in",parseInt(memberID),"up");};$.verto.conf.prototype.transfer=function(memberID,exten){this.modCommand("transfer",parseInt(memberID),exten);};$.verto.conf.prototype.sendChat=function(message,type){var conf=this;conf.verto.rpcClient.call("verto.broadcast",{"eventChannel":conf.params.laData.chatChannel,"data":{"action":"send","message":message,"type":type}});};}
+$.verto.modfuncs={};$.verto.confMan=function(verto,params){var confMan=this;confMan.params=$.extend({tableID:null,statusID:null,mainModID:null,dialog:null,hasVid:false,laData:null,onBroadcast:null,onLaChange:null,onLaRow:null},params);confMan.verto=verto;confMan.serno=CONFMAN_SERNO++;confMan.canvasCount=confMan.params.laData.canvasCount;function genMainMod(jq){var play_id="play_"+confMan.serno;var stop_id="stop_"+confMan.serno;var recording_id="recording_"+confMan.serno;var snapshot_id="snapshot_"+confMan.serno;var rec_stop_id="recording_stop"+confMan.serno;var div_id="confman_"+confMan.serno;var html="Play "+"Stop "+"Record "+"Record Stop "+
+(confMan.params.hasVid?"PNG Snapshot ":"")+"
";jq.html(html);$.verto.modfuncs.change_video_layout=function(id,canvas_id){var val=$("#"+id+" option:selected").text();if(val!=="none"){confMan.modCommand("vid-layout",null,[val,canvas_id]);}};if(confMan.params.hasVid){for(var j=0;jVideo Layout Canvas "+(j+1)+" ";html+="General Controls
Kick "+"Mute "+"Gain - "+"Gain + "+"Vol - "+"Vol + "+"Transfer ";if(confMan.params.hasVid){html+="Video Controls VMute "+"Presenter "+"Vid Floor "+"Banner ";if(confMan.canvasCount>1){html+="Canvas Controls Set Input Canvas "+"Prev Input Canvas "+"Next Input Canvas "+"Set Watching Canvas "+"Prev Watching Canvas "+"Next Watching Canvas ";}
+html+="Set Layer "+"Prev Layer "+"Next Layer "+"";}
+jq.html(html);if(!jq.data("mouse")){$("#"+box_id).hide();}
+jq.mouseover(function(e){jq.data({"mouse":true});$("#"+box_id).show();});jq.mouseout(function(e){jq.data({"mouse":false});$("#"+box_id).hide();});$("#"+transfer_id).click(function(){var xten=prompt("Enter Extension");if(xten){confMan.modCommand("transfer",x,xten);}});$("#"+kick_id).click(function(){confMan.modCommand("kick",x);});$("#"+layer_set_id).click(function(){var cid=prompt("Please enter layer ID","");if(cid){confMan.modCommand("vid-layer",x,cid);}});$("#"+layer_next_id).click(function(){confMan.modCommand("vid-layer",x,"next");});$("#"+layer_prev_id).click(function(){confMan.modCommand("vid-layer",x,"prev");});$("#"+canvas_in_set_id).click(function(){var cid=prompt("Please enter canvas ID","");if(cid){confMan.modCommand("vid-canvas",x,cid);}});$("#"+canvas_out_set_id).click(function(){var cid=prompt("Please enter canvas ID","");if(cid){confMan.modCommand("vid-watching-canvas",x,cid);}});$("#"+canvas_in_next_id).click(function(){confMan.modCommand("vid-canvas",x,"next");});$("#"+canvas_in_prev_id).click(function(){confMan.modCommand("vid-canvas",x,"prev");});$("#"+canvas_out_next_id).click(function(){confMan.modCommand("vid-watching-canvas",x,"next");});$("#"+canvas_out_prev_id).click(function(){confMan.modCommand("vid-watching-canvas",x,"prev");});$("#"+tmute_id).click(function(){confMan.modCommand("tmute",x);});if(confMan.params.hasVid){$("#"+tvmute_id).click(function(){confMan.modCommand("tvmute",x);});$("#"+tvpresenter_id).click(function(){confMan.modCommand("vid-res-id",x,"presenter");});$("#"+tvfloor_id).click(function(){confMan.modCommand("vid-floor",x,"force");});$("#"+vbanner_id).click(function(){var text=prompt("Please enter text","");if(text){confMan.modCommand("vid-banner",x,escape(text));}});}
+$("#"+gainup_id).click(function(){confMan.modCommand("volume_in",x,"up");});$("#"+gaindn_id).click(function(){confMan.modCommand("volume_in",x,"down");});$("#"+volup_id).click(function(){confMan.modCommand("volume_out",x,"up");});$("#"+voldn_id).click(function(){confMan.modCommand("volume_out",x,"down");});return html;}
+var atitle="";var awidth=0;verto.subscribe(confMan.params.laData.infoChannel,{handler:function(v,e){if(typeof(confMan.params.infoCallback)==="function"){confMan.params.infoCallback(v,e);}}});verto.subscribe(confMan.params.laData.chatChannel,{handler:function(v,e){if(typeof(confMan.params.chatCallback)==="function"){confMan.params.chatCallback(v,e);}}});if(confMan.params.laData.role==="moderator"){atitle="Action";awidth=600;if(confMan.params.mainModID){genMainMod($(confMan.params.mainModID));$(confMan.params.displayID).html("Moderator Controls Readyb)?1:-1));});for(var i in options){$(vlselect_id).append(new Option(options[i],options[i]));x++;}}
+if(x){$(vlselect_id).selectmenu('refresh',true);}else{$(vlayout_id).hide();}}}else{if(!confMan.destroyed&&confMan.params.displayID){$(confMan.params.displayID).html(e.data.response+"0&&arguments[0]!==undefined?arguments[0]:{},window=_ref.window;var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{shimChrome:true,shimFirefox:true,shimEdge:true,shimSafari:true};var logging=utils.log;var browserDetails=utils.detectBrowser(window);var adapter={browserDetails:browserDetails,commonShim:commonShim,extractVersion:utils.extractVersion,disableLog:utils.disableLog,disableWarnings:utils.disableWarnings};switch(browserDetails.browser){case'chrome':if(!chromeShim||!chromeShim.shimPeerConnection||!options.shimChrome){logging('Chrome shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming chrome.');adapter.browserShim=chromeShim;chromeShim.shimGetUserMedia(window);chromeShim.shimMediaStream(window);chromeShim.shimPeerConnection(window);chromeShim.shimOnTrack(window);chromeShim.shimAddTrackRemoveTrack(window);chromeShim.shimGetSendersWithDtmf(window);chromeShim.shimSenderReceiverGetStats(window);chromeShim.fixNegotiationNeeded(window);commonShim.shimRTCIceCandidate(window);commonShim.shimConnectionState(window);commonShim.shimMaxMessageSize(window);commonShim.shimSendThrowTypeError(window);commonShim.removeAllowExtmapMixed(window);break;case'firefox':if(!firefoxShim||!firefoxShim.shimPeerConnection||!options.shimFirefox){logging('Firefox shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming firefox.');adapter.browserShim=firefoxShim;firefoxShim.shimGetUserMedia(window);firefoxShim.shimPeerConnection(window);firefoxShim.shimOnTrack(window);firefoxShim.shimRemoveStream(window);firefoxShim.shimSenderGetStats(window);firefoxShim.shimReceiverGetStats(window);firefoxShim.shimRTCDataChannel(window);commonShim.shimRTCIceCandidate(window);commonShim.shimConnectionState(window);commonShim.shimMaxMessageSize(window);commonShim.shimSendThrowTypeError(window);break;case'edge':if(!edgeShim||!edgeShim.shimPeerConnection||!options.shimEdge){logging('MS edge shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming edge.');adapter.browserShim=edgeShim;edgeShim.shimGetUserMedia(window);edgeShim.shimGetDisplayMedia(window);edgeShim.shimPeerConnection(window);edgeShim.shimReplaceTrack(window);commonShim.shimMaxMessageSize(window);commonShim.shimSendThrowTypeError(window);break;case'safari':if(!safariShim||!options.shimSafari){logging('Safari shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming safari.');adapter.browserShim=safariShim;safariShim.shimRTCIceServerUrls(window);safariShim.shimCreateOfferLegacy(window);safariShim.shimCallbacksAPI(window);safariShim.shimLocalStreamsAPI(window);safariShim.shimRemoteStreamsAPI(window);safariShim.shimTrackEventTransceiver(window);safariShim.shimGetUserMedia(window);commonShim.shimRTCIceCandidate(window);commonShim.shimMaxMessageSize(window);commonShim.shimSendThrowTypeError(window);commonShim.removeAllowExtmapMixed(window);break;default:logging('Unsupported browser!');break;}
+return adapter;}},{"./chrome/chrome_shim":3,"./common_shim":6,"./edge/edge_shim":7,"./firefox/firefox_shim":11,"./safari/safari_shim":14,"./utils":15}],3:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=exports.shimGetUserMedia=undefined;var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};var _getusermedia=require('./getusermedia');Object.defineProperty(exports,'shimGetUserMedia',{enumerable:true,get:function get(){return _getusermedia.shimGetUserMedia;}});var _getdisplaymedia=require('./getdisplaymedia');Object.defineProperty(exports,'shimGetDisplayMedia',{enumerable:true,get:function get(){return _getdisplaymedia.shimGetDisplayMedia;}});exports.shimMediaStream=shimMediaStream;exports.shimOnTrack=shimOnTrack;exports.shimGetSendersWithDtmf=shimGetSendersWithDtmf;exports.shimSenderReceiverGetStats=shimSenderReceiverGetStats;exports.shimAddTrackRemoveTrackWithNative=shimAddTrackRemoveTrackWithNative;exports.shimAddTrackRemoveTrack=shimAddTrackRemoveTrack;exports.shimPeerConnection=shimPeerConnection;exports.fixNegotiationNeeded=fixNegotiationNeeded;var _utils=require('../utils.js');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function walkStats(stats,base,resultSet){if(!base||resultSet.has(base.id)){return;}
+resultSet.set(base.id,base);Object.keys(base).forEach(function(name){if(name.endsWith('Id')){walkStats(stats,stats.get(base[name]),resultSet);}else if(name.endsWith('Ids')){base[name].forEach(function(id){walkStats(stats,stats.get(id),resultSet);});}});}
+function filterStats(result,track,outbound){var streamStatsType=outbound?'outbound-rtp':'inbound-rtp';var filteredResult=new Map();if(track===null){return filteredResult;}
+var trackStats=[];result.forEach(function(value){if(value.type==='track'&&value.trackIdentifier===track.id){trackStats.push(value);}});trackStats.forEach(function(trackStat){result.forEach(function(stats){if(stats.type===streamStatsType&&stats.trackId===trackStat.id){walkStats(result,stats,filteredResult);}});});return filteredResult;}
+function shimMediaStream(window){window.MediaStream=window.MediaStream||window.webkitMediaStream;}
+function shimOnTrack(window){if((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&!('ontrack'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'ontrack',{get:function get(){return this._ontrack;},set:function set(f){if(this._ontrack){this.removeEventListener('track',this._ontrack);}
+this.addEventListener('track',this._ontrack=f);},enumerable:true,configurable:true});var origSetRemoteDescription=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(){var _this=this;if(!this._ontrackpoly){this._ontrackpoly=function(e){e.stream.addEventListener('addtrack',function(te){var receiver=void 0;if(window.RTCPeerConnection.prototype.getReceivers){receiver=_this.getReceivers().find(function(r){return r.track&&r.track.id===te.track.id;});}else{receiver={track:te.track};}
+var event=new Event('track');event.track=te.track;event.receiver=receiver;event.transceiver={receiver:receiver};event.streams=[e.stream];_this.dispatchEvent(event);});e.stream.getTracks().forEach(function(track){var receiver=void 0;if(window.RTCPeerConnection.prototype.getReceivers){receiver=_this.getReceivers().find(function(r){return r.track&&r.track.id===track.id;});}else{receiver={track:track};}
+var event=new Event('track');event.track=track;event.receiver=receiver;event.transceiver={receiver:receiver};event.streams=[e.stream];_this.dispatchEvent(event);});};this.addEventListener('addstream',this._ontrackpoly);}
+return origSetRemoteDescription.apply(this,arguments);};}else{utils.wrapPeerConnectionEvent(window,'track',function(e){if(!e.transceiver){Object.defineProperty(e,'transceiver',{value:{receiver:e.receiver}});}
+return e;});}}
+function shimGetSendersWithDtmf(window){if((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&!('getSenders'in window.RTCPeerConnection.prototype)&&'createDTMFSender'in window.RTCPeerConnection.prototype){var shimSenderWithDtmf=function shimSenderWithDtmf(pc,track){return{track:track,get dtmf(){if(this._dtmf===undefined){if(track.kind==='audio'){this._dtmf=pc.createDTMFSender(track);}else{this._dtmf=null;}}
+return this._dtmf;},_pc:pc};};if(!window.RTCPeerConnection.prototype.getSenders){window.RTCPeerConnection.prototype.getSenders=function(){this._senders=this._senders||[];return this._senders.slice();};var origAddTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addTrack=function(track,stream){var sender=origAddTrack.apply(this,arguments);if(!sender){sender=shimSenderWithDtmf(this,track);this._senders.push(sender);}
+return sender;};var origRemoveTrack=window.RTCPeerConnection.prototype.removeTrack;window.RTCPeerConnection.prototype.removeTrack=function(sender){origRemoveTrack.apply(this,arguments);var idx=this._senders.indexOf(sender);if(idx!==-1){this._senders.splice(idx,1);}};}
+var origAddStream=window.RTCPeerConnection.prototype.addStream;window.RTCPeerConnection.prototype.addStream=function(stream){var _this2=this;this._senders=this._senders||[];origAddStream.apply(this,[stream]);stream.getTracks().forEach(function(track){_this2._senders.push(shimSenderWithDtmf(_this2,track));});};var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;window.RTCPeerConnection.prototype.removeStream=function(stream){var _this3=this;this._senders=this._senders||[];origRemoveStream.apply(this,[stream]);stream.getTracks().forEach(function(track){var sender=_this3._senders.find(function(s){return s.track===track;});if(sender){_this3._senders.splice(_this3._senders.indexOf(sender),1);}});};}else if((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&'getSenders'in window.RTCPeerConnection.prototype&&'createDTMFSender'in window.RTCPeerConnection.prototype&&window.RTCRtpSender&&!('dtmf'in window.RTCRtpSender.prototype)){var origGetSenders=window.RTCPeerConnection.prototype.getSenders;window.RTCPeerConnection.prototype.getSenders=function(){var _this4=this;var senders=origGetSenders.apply(this,[]);senders.forEach(function(sender){return sender._pc=_this4;});return senders;};Object.defineProperty(window.RTCRtpSender.prototype,'dtmf',{get:function get(){if(this._dtmf===undefined){if(this.track.kind==='audio'){this._dtmf=this._pc.createDTMFSender(this.track);}else{this._dtmf=null;}}
+return this._dtmf;}});}}
+function shimSenderReceiverGetStats(window){if(!((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&window.RTCRtpSender&&window.RTCRtpReceiver)){return;}
+if(!('getStats'in window.RTCRtpSender.prototype)){var origGetSenders=window.RTCPeerConnection.prototype.getSenders;if(origGetSenders){window.RTCPeerConnection.prototype.getSenders=function(){var _this5=this;var senders=origGetSenders.apply(this,[]);senders.forEach(function(sender){return sender._pc=_this5;});return senders;};}
+var origAddTrack=window.RTCPeerConnection.prototype.addTrack;if(origAddTrack){window.RTCPeerConnection.prototype.addTrack=function(){var sender=origAddTrack.apply(this,arguments);sender._pc=this;return sender;};}
+window.RTCRtpSender.prototype.getStats=function(){var sender=this;return this._pc.getStats().then(function(result){return(filterStats(result,sender.track,true));});};}
+if(!('getStats'in window.RTCRtpReceiver.prototype)){var origGetReceivers=window.RTCPeerConnection.prototype.getReceivers;if(origGetReceivers){window.RTCPeerConnection.prototype.getReceivers=function(){var _this6=this;var receivers=origGetReceivers.apply(this,[]);receivers.forEach(function(receiver){return receiver._pc=_this6;});return receivers;};}
+utils.wrapPeerConnectionEvent(window,'track',function(e){e.receiver._pc=e.srcElement;return e;});window.RTCRtpReceiver.prototype.getStats=function(){var receiver=this;return this._pc.getStats().then(function(result){return filterStats(result,receiver.track,false);});};}
+if(!('getStats'in window.RTCRtpSender.prototype&&'getStats'in window.RTCRtpReceiver.prototype)){return;}
+var origGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof window.MediaStreamTrack){var track=arguments[0];var sender=void 0;var receiver=void 0;var err=void 0;this.getSenders().forEach(function(s){if(s.track===track){if(sender){err=true;}else{sender=s;}}});this.getReceivers().forEach(function(r){if(r.track===track){if(receiver){err=true;}else{receiver=r;}}
+return r.track===track;});if(err||sender&&receiver){return Promise.reject(new DOMException('There are more than one sender or receiver for the track.','InvalidAccessError'));}else if(sender){return sender.getStats();}else if(receiver){return receiver.getStats();}
+return Promise.reject(new DOMException('There is no sender or receiver for the track.','InvalidAccessError'));}
+return origGetStats.apply(this,arguments);};}
+function shimAddTrackRemoveTrackWithNative(window){window.RTCPeerConnection.prototype.getLocalStreams=function(){var _this7=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{};return Object.keys(this._shimmedLocalStreams).map(function(streamId){return _this7._shimmedLocalStreams[streamId][0];});};var origAddTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addTrack=function(track,stream){if(!stream){return origAddTrack.apply(this,arguments);}
+this._shimmedLocalStreams=this._shimmedLocalStreams||{};var sender=origAddTrack.apply(this,arguments);if(!this._shimmedLocalStreams[stream.id]){this._shimmedLocalStreams[stream.id]=[stream,sender];}else if(this._shimmedLocalStreams[stream.id].indexOf(sender)===-1){this._shimmedLocalStreams[stream.id].push(sender);}
+return sender;};var origAddStream=window.RTCPeerConnection.prototype.addStream;window.RTCPeerConnection.prototype.addStream=function(stream){var _this8=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{};stream.getTracks().forEach(function(track){var alreadyExists=_this8.getSenders().find(function(s){return s.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}});var existingSenders=this.getSenders();origAddStream.apply(this,arguments);var newSenders=this.getSenders().filter(function(newSender){return existingSenders.indexOf(newSender)===-1;});this._shimmedLocalStreams[stream.id]=[stream].concat(newSenders);};var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;window.RTCPeerConnection.prototype.removeStream=function(stream){this._shimmedLocalStreams=this._shimmedLocalStreams||{};delete this._shimmedLocalStreams[stream.id];return origRemoveStream.apply(this,arguments);};var origRemoveTrack=window.RTCPeerConnection.prototype.removeTrack;window.RTCPeerConnection.prototype.removeTrack=function(sender){var _this9=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{};if(sender){Object.keys(this._shimmedLocalStreams).forEach(function(streamId){var idx=_this9._shimmedLocalStreams[streamId].indexOf(sender);if(idx!==-1){_this9._shimmedLocalStreams[streamId].splice(idx,1);}
+if(_this9._shimmedLocalStreams[streamId].length===1){delete _this9._shimmedLocalStreams[streamId];}});}
+return origRemoveTrack.apply(this,arguments);};}
+function shimAddTrackRemoveTrack(window){if(!window.RTCPeerConnection){return;}
+var browserDetails=utils.detectBrowser(window);if(window.RTCPeerConnection.prototype.addTrack&&browserDetails.version>=65){return shimAddTrackRemoveTrackWithNative(window);}
+var origGetLocalStreams=window.RTCPeerConnection.prototype.getLocalStreams;window.RTCPeerConnection.prototype.getLocalStreams=function(){var _this10=this;var nativeStreams=origGetLocalStreams.apply(this);this._reverseStreams=this._reverseStreams||{};return nativeStreams.map(function(stream){return _this10._reverseStreams[stream.id];});};var origAddStream=window.RTCPeerConnection.prototype.addStream;window.RTCPeerConnection.prototype.addStream=function(stream){var _this11=this;this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};stream.getTracks().forEach(function(track){var alreadyExists=_this11.getSenders().find(function(s){return s.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}});if(!this._reverseStreams[stream.id]){var newStream=new window.MediaStream(stream.getTracks());this._streams[stream.id]=newStream;this._reverseStreams[newStream.id]=stream;stream=newStream;}
+origAddStream.apply(this,[stream]);};var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;window.RTCPeerConnection.prototype.removeStream=function(stream){this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};origRemoveStream.apply(this,[this._streams[stream.id]||stream]);delete this._reverseStreams[this._streams[stream.id]?this._streams[stream.id].id:stream.id];delete this._streams[stream.id];};window.RTCPeerConnection.prototype.addTrack=function(track,stream){var _this12=this;if(this.signalingState==='closed'){throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.','InvalidStateError');}
+var streams=[].slice.call(arguments,1);if(streams.length!==1||!streams[0].getTracks().find(function(t){return t===track;})){throw new DOMException('The adapter.js addTrack polyfill only supports a single '+' stream which is associated with the specified track.','NotSupportedError');}
+var alreadyExists=this.getSenders().find(function(s){return s.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}
+this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};var oldStream=this._streams[stream.id];if(oldStream){oldStream.addTrack(track);Promise.resolve().then(function(){_this12.dispatchEvent(new Event('negotiationneeded'));});}else{var newStream=new window.MediaStream([track]);this._streams[stream.id]=newStream;this._reverseStreams[newStream.id]=stream;this.addStream(newStream);}
+return this.getSenders().find(function(s){return s.track===track;});};function replaceInternalStreamId(pc,description){var sdp=description.sdp;Object.keys(pc._reverseStreams||[]).forEach(function(internalId){var externalStream=pc._reverseStreams[internalId];var internalStream=pc._streams[externalStream.id];sdp=sdp.replace(new RegExp(internalStream.id,'g'),externalStream.id);});return new RTCSessionDescription({type:description.type,sdp:sdp});}
+function replaceExternalStreamId(pc,description){var sdp=description.sdp;Object.keys(pc._reverseStreams||[]).forEach(function(internalId){var externalStream=pc._reverseStreams[internalId];var internalStream=pc._streams[externalStream.id];sdp=sdp.replace(new RegExp(externalStream.id,'g'),internalStream.id);});return new RTCSessionDescription({type:description.type,sdp:sdp});}
+['createOffer','createAnswer'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){var _this13=this;var args=arguments;var isLegacyCall=arguments.length&&typeof arguments[0]==='function';if(isLegacyCall){return nativeMethod.apply(this,[function(description){var desc=replaceInternalStreamId(_this13,description);args[0].apply(null,[desc]);},function(err){if(args[1]){args[1].apply(null,err);}},arguments[2]]);}
+return nativeMethod.apply(this,arguments).then(function(description){return replaceInternalStreamId(_this13,description);});};});var origSetLocalDescription=window.RTCPeerConnection.prototype.setLocalDescription;window.RTCPeerConnection.prototype.setLocalDescription=function(){if(!arguments.length||!arguments[0].type){return origSetLocalDescription.apply(this,arguments);}
+arguments[0]=replaceExternalStreamId(this,arguments[0]);return origSetLocalDescription.apply(this,arguments);};var origLocalDescription=Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype,'localDescription');Object.defineProperty(window.RTCPeerConnection.prototype,'localDescription',{get:function get(){var description=origLocalDescription.get.apply(this);if(description.type===''){return description;}
+return replaceInternalStreamId(this,description);}});window.RTCPeerConnection.prototype.removeTrack=function(sender){var _this14=this;if(this.signalingState==='closed'){throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.','InvalidStateError');}
+if(!sender._pc){throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack '+'does not implement interface RTCRtpSender.','TypeError');}
+var isLocal=sender._pc===this;if(!isLocal){throw new DOMException('Sender was not created by this connection.','InvalidAccessError');}
+this._streams=this._streams||{};var stream=void 0;Object.keys(this._streams).forEach(function(streamid){var hasTrack=_this14._streams[streamid].getTracks().find(function(track){return sender.track===track;});if(hasTrack){stream=_this14._streams[streamid];}});if(stream){if(stream.getTracks().length===1){this.removeStream(this._reverseStreams[stream.id]);}else{stream.removeTrack(sender.track);}
+this.dispatchEvent(new Event('negotiationneeded'));}};}
+function shimPeerConnection(window){if(!window.RTCPeerConnection&&window.webkitRTCPeerConnection){window.RTCPeerConnection=window.webkitRTCPeerConnection;}
+if(!window.RTCPeerConnection){return;}
+var origGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(selector,successCallback,errorCallback){var _this15=this;var args=arguments;if(arguments.length>0&&typeof selector==='function'){return origGetStats.apply(this,arguments);}
+if(origGetStats.length===0&&(arguments.length===0||typeof arguments[0]!=='function')){return origGetStats.apply(this,[]);}
+var fixChromeStats_=function fixChromeStats_(response){var standardReport={};var reports=response.result();reports.forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:{localcandidate:'local-candidate',remotecandidate:'remote-candidate'}[report.type]||report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name);});standardReport[standardStats.id]=standardStats;});return standardReport;};var makeMapStats=function makeMapStats(stats){return new Map(Object.keys(stats).map(function(key){return[key,stats[key]];}));};if(arguments.length>=2){var successCallbackWrapper_=function successCallbackWrapper_(response){args[1](makeMapStats(fixChromeStats_(response)));};return origGetStats.apply(this,[successCallbackWrapper_,arguments[0]]);}
+return new Promise(function(resolve,reject){origGetStats.apply(_this15,[function(response){resolve(makeMapStats(fixChromeStats_(response)));},reject]);}).then(successCallback,errorCallback);};['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){arguments[0]=new(method==='addIceCandidate'?window.RTCIceCandidate:window.RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments);};});var nativeAddIceCandidate=window.RTCPeerConnection.prototype.addIceCandidate;window.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null);}
+return Promise.resolve();}
+return nativeAddIceCandidate.apply(this,arguments);};}
+function fixNegotiationNeeded(window){utils.wrapPeerConnectionEvent(window,'negotiationneeded',function(e){var pc=e.target;if(pc.signalingState!=='stable'){return;}
+return e;});}},{"../utils.js":15,"./getdisplaymedia":4,"./getusermedia":5}],4:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=shimGetDisplayMedia;function shimGetDisplayMedia(window,getSourceId){if(window.navigator.mediaDevices&&'getDisplayMedia'in window.navigator.mediaDevices){return;}
+if(!window.navigator.mediaDevices){return;}
+if(typeof getSourceId!=='function'){console.error('shimGetDisplayMedia: getSourceId argument is not '+'a function');return;}
+window.navigator.mediaDevices.getDisplayMedia=function(constraints){return getSourceId(constraints).then(function(sourceId){var widthSpecified=constraints.video&&constraints.video.width;var heightSpecified=constraints.video&&constraints.video.height;var frameRateSpecified=constraints.video&&constraints.video.frameRate;constraints.video={mandatory:{chromeMediaSource:'desktop',chromeMediaSourceId:sourceId,maxFrameRate:frameRateSpecified||3}};if(widthSpecified){constraints.video.mandatory.maxWidth=widthSpecified;}
+if(heightSpecified){constraints.video.mandatory.maxHeight=heightSpecified;}
+return window.navigator.mediaDevices.getUserMedia(constraints);});};}},{}],5:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};exports.shimGetUserMedia=shimGetUserMedia;var _utils=require('../utils.js');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+var logging=utils.log;function shimGetUserMedia(window){var navigator=window&&window.navigator;if(!navigator.mediaDevices){return;}
+var browserDetails=utils.detectBrowser(window);var constraintsToChrome_=function constraintsToChrome_(c){if((typeof c==='undefined'?'undefined':_typeof(c))!=='object'||c.mandatory||c.optional){return c;}
+var cc={};Object.keys(c).forEach(function(key){if(key==='require'||key==='advanced'||key==='mediaSource'){return;}
+var r=_typeof(c[key])==='object'?c[key]:{ideal:c[key]};if(r.exact!==undefined&&typeof r.exact==='number'){r.min=r.max=r.exact;}
+var oldname_=function oldname_(prefix,name){if(prefix){return prefix+name.charAt(0).toUpperCase()+name.slice(1);}
+return name==='deviceId'?'sourceId':name;};if(r.ideal!==undefined){cc.optional=cc.optional||[];var oc={};if(typeof r.ideal==='number'){oc[oldname_('min',key)]=r.ideal;cc.optional.push(oc);oc={};oc[oldname_('max',key)]=r.ideal;cc.optional.push(oc);}else{oc[oldname_('',key)]=r.ideal;cc.optional.push(oc);}}
+if(r.exact!==undefined&&typeof r.exact!=='number'){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_('',key)]=r.exact;}else{['min','max'].forEach(function(mix){if(r[mix]!==undefined){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_(mix,key)]=r[mix];}});}});if(c.advanced){cc.optional=(cc.optional||[]).concat(c.advanced);}
+return cc;};var shimConstraints_=function shimConstraints_(constraints,func){if(browserDetails.version>=61){return func(constraints);}
+constraints=JSON.parse(JSON.stringify(constraints));if(constraints&&_typeof(constraints.audio)==='object'){var remap=function remap(obj,a,b){if(a in obj&&!(b in obj)){obj[b]=obj[a];delete obj[a];}};constraints=JSON.parse(JSON.stringify(constraints));remap(constraints.audio,'autoGainControl','googAutoGainControl');remap(constraints.audio,'noiseSuppression','googNoiseSuppression');constraints.audio=constraintsToChrome_(constraints.audio);}
+if(constraints&&_typeof(constraints.video)==='object'){var face=constraints.video.facingMode;face=face&&((typeof face==='undefined'?'undefined':_typeof(face))==='object'?face:{ideal:face});var getSupportedFacingModeLies=browserDetails.version<66;if(face&&(face.exact==='user'||face.exact==='environment'||face.ideal==='user'||face.ideal==='environment')&&!(navigator.mediaDevices.getSupportedConstraints&&navigator.mediaDevices.getSupportedConstraints().facingMode&&!getSupportedFacingModeLies)){delete constraints.video.facingMode;var matches=void 0;if(face.exact==='environment'||face.ideal==='environment'){matches=['back','rear'];}else if(face.exact==='user'||face.ideal==='user'){matches=['front'];}
+if(matches){return navigator.mediaDevices.enumerateDevices().then(function(devices){devices=devices.filter(function(d){return d.kind==='videoinput';});var dev=devices.find(function(d){return matches.some(function(match){return d.label.toLowerCase().includes(match);});});if(!dev&&devices.length&&matches.includes('back')){dev=devices[devices.length-1];}
+if(dev){constraints.video.deviceId=face.exact?{exact:dev.deviceId}:{ideal:dev.deviceId};}
+constraints.video=constraintsToChrome_(constraints.video);logging('chrome: '+JSON.stringify(constraints));return func(constraints);});}}
+constraints.video=constraintsToChrome_(constraints.video);}
+logging('chrome: '+JSON.stringify(constraints));return func(constraints);};var shimError_=function shimError_(e){if(browserDetails.version>=64){return e;}
+return{name:{PermissionDeniedError:'NotAllowedError',PermissionDismissedError:'NotAllowedError',InvalidStateError:'NotAllowedError',DevicesNotFoundError:'NotFoundError',ConstraintNotSatisfiedError:'OverconstrainedError',TrackStartError:'NotReadableError',MediaDeviceFailedDueToShutdown:'NotAllowedError',MediaDeviceKillSwitchOn:'NotAllowedError',TabCaptureError:'AbortError',ScreenCaptureError:'AbortError',DeviceCaptureError:'AbortError'}[e.name]||e.name,message:e.message,constraint:e.constraint||e.constraintName,toString:function toString(){return this.name+(this.message&&': ')+this.message;}};};var getUserMedia_=function getUserMedia_(constraints,onSuccess,onError){shimConstraints_(constraints,function(c){navigator.webkitGetUserMedia(c,onSuccess,function(e){if(onError){onError(shimError_(e));}});});};navigator.getUserMedia=getUserMedia_.bind(navigator);var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(cs){return shimConstraints_(cs,function(c){return origGetUserMedia(c).then(function(stream){if(c.audio&&!stream.getAudioTracks().length||c.video&&!stream.getVideoTracks().length){stream.getTracks().forEach(function(track){track.stop();});throw new DOMException('','NotFoundError');}
+return stream;},function(e){return Promise.reject(shimError_(e));});});};}},{"../utils.js":15}],6:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};exports.shimRTCIceCandidate=shimRTCIceCandidate;exports.shimMaxMessageSize=shimMaxMessageSize;exports.shimSendThrowTypeError=shimSendThrowTypeError;exports.shimConnectionState=shimConnectionState;exports.removeAllowExtmapMixed=removeAllowExtmapMixed;var _sdp=require('sdp');var _sdp2=_interopRequireDefault(_sdp);var _utils=require('./utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}
+function shimRTCIceCandidate(window){if(!window.RTCIceCandidate||window.RTCIceCandidate&&'foundation'in window.RTCIceCandidate.prototype){return;}
+var NativeRTCIceCandidate=window.RTCIceCandidate;window.RTCIceCandidate=function(args){if((typeof args==='undefined'?'undefined':_typeof(args))==='object'&&args.candidate&&args.candidate.indexOf('a=')===0){args=JSON.parse(JSON.stringify(args));args.candidate=args.candidate.substr(2);}
+if(args.candidate&&args.candidate.length){var nativeCandidate=new NativeRTCIceCandidate(args);var parsedCandidate=_sdp2.default.parseCandidate(args.candidate);var augmentedCandidate=Object.assign(nativeCandidate,parsedCandidate);augmentedCandidate.toJSON=function(){return{candidate:augmentedCandidate.candidate,sdpMid:augmentedCandidate.sdpMid,sdpMLineIndex:augmentedCandidate.sdpMLineIndex,usernameFragment:augmentedCandidate.usernameFragment};};return augmentedCandidate;}
+return new NativeRTCIceCandidate(args);};window.RTCIceCandidate.prototype=NativeRTCIceCandidate.prototype;utils.wrapPeerConnectionEvent(window,'icecandidate',function(e){if(e.candidate){Object.defineProperty(e,'candidate',{value:new window.RTCIceCandidate(e.candidate),writable:'false'});}
+return e;});}
+function shimMaxMessageSize(window){if(window.RTCSctpTransport||!window.RTCPeerConnection){return;}
+var browserDetails=utils.detectBrowser(window);if(!('sctp'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'sctp',{get:function get(){return typeof this._sctp==='undefined'?null:this._sctp;}});}
+var sctpInDescription=function sctpInDescription(description){var sections=_sdp2.default.splitSections(description.sdp);sections.shift();return sections.some(function(mediaSection){var mLine=_sdp2.default.parseMLine(mediaSection);return mLine&&mLine.kind==='application'&&mLine.protocol.indexOf('SCTP')!==-1;});};var getRemoteFirefoxVersion=function getRemoteFirefoxVersion(description){var match=description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);if(match===null||match.length<2){return-1;}
+var version=parseInt(match[1],10);return version!==version?-1:version;};var getCanSendMaxMessageSize=function getCanSendMaxMessageSize(remoteIsFirefox){var canSendMaxMessageSize=65536;if(browserDetails.browser==='firefox'){if(browserDetails.version<57){if(remoteIsFirefox===-1){canSendMaxMessageSize=16384;}else{canSendMaxMessageSize=2147483637;}}else if(browserDetails.version<60){canSendMaxMessageSize=browserDetails.version===57?65535:65536;}else{canSendMaxMessageSize=2147483637;}}
+return canSendMaxMessageSize;};var getMaxMessageSize=function getMaxMessageSize(description,remoteIsFirefox){var maxMessageSize=65536;if(browserDetails.browser==='firefox'&&browserDetails.version===57){maxMessageSize=65535;}
+var match=_sdp2.default.matchPrefix(description.sdp,'a=max-message-size:');if(match.length>0){maxMessageSize=parseInt(match[0].substr(19),10);}else if(browserDetails.browser==='firefox'&&remoteIsFirefox!==-1){maxMessageSize=2147483637;}
+return maxMessageSize;};var origSetRemoteDescription=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(){this._sctp=null;if(sctpInDescription(arguments[0])){var isFirefox=getRemoteFirefoxVersion(arguments[0]);var canSendMMS=getCanSendMaxMessageSize(isFirefox);var remoteMMS=getMaxMessageSize(arguments[0],isFirefox);var maxMessageSize=void 0;if(canSendMMS===0&&remoteMMS===0){maxMessageSize=Number.POSITIVE_INFINITY;}else if(canSendMMS===0||remoteMMS===0){maxMessageSize=Math.max(canSendMMS,remoteMMS);}else{maxMessageSize=Math.min(canSendMMS,remoteMMS);}
+var sctp={};Object.defineProperty(sctp,'maxMessageSize',{get:function get(){return maxMessageSize;}});this._sctp=sctp;}
+return origSetRemoteDescription.apply(this,arguments);};}
+function shimSendThrowTypeError(window){if(!(window.RTCPeerConnection&&'createDataChannel'in window.RTCPeerConnection.prototype)){return;}
+function wrapDcSend(dc,pc){var origDataChannelSend=dc.send;dc.send=function(){var data=arguments[0];var length=data.length||data.size||data.byteLength;if(dc.readyState==='open'&&pc.sctp&&length>pc.sctp.maxMessageSize){throw new TypeError('Message too large (can send a maximum of '+pc.sctp.maxMessageSize+' bytes)');}
+return origDataChannelSend.apply(dc,arguments);};}
+var origCreateDataChannel=window.RTCPeerConnection.prototype.createDataChannel;window.RTCPeerConnection.prototype.createDataChannel=function(){var dataChannel=origCreateDataChannel.apply(this,arguments);wrapDcSend(dataChannel,this);return dataChannel;};utils.wrapPeerConnectionEvent(window,'datachannel',function(e){wrapDcSend(e.channel,e.target);return e;});}
+function shimConnectionState(window){if(!window.RTCPeerConnection||'connectionState'in window.RTCPeerConnection.prototype){return;}
+var proto=window.RTCPeerConnection.prototype;Object.defineProperty(proto,'connectionState',{get:function get(){return{completed:'connected',checking:'connecting'}[this.iceConnectionState]||this.iceConnectionState;},enumerable:true,configurable:true});Object.defineProperty(proto,'onconnectionstatechange',{get:function get(){return this._onconnectionstatechange||null;},set:function set(cb){if(this._onconnectionstatechange){this.removeEventListener('connectionstatechange',this._onconnectionstatechange);delete this._onconnectionstatechange;}
+if(cb){this.addEventListener('connectionstatechange',this._onconnectionstatechange=cb);}},enumerable:true,configurable:true});['setLocalDescription','setRemoteDescription'].forEach(function(method){var origMethod=proto[method];proto[method]=function(){if(!this._connectionstatechangepoly){this._connectionstatechangepoly=function(e){var pc=e.target;if(pc._lastConnectionState!==pc.connectionState){pc._lastConnectionState=pc.connectionState;var newEvent=new Event('connectionstatechange',e);pc.dispatchEvent(newEvent);}
+return e;};this.addEventListener('iceconnectionstatechange',this._connectionstatechangepoly);}
+return origMethod.apply(this,arguments);};});}
+function removeAllowExtmapMixed(window){if(!window.RTCPeerConnection){return;}
+var browserDetails=utils.detectBrowser(window);if(browserDetails.browser==='chrome'&&browserDetails.version>=71){return;}
+var nativeSRD=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(desc){if(desc&&desc.sdp&&desc.sdp.indexOf('\na=extmap-allow-mixed')!==-1){desc.sdp=desc.sdp.split('\n').filter(function(line){return line.trim()!=='a=extmap-allow-mixed';}).join('\n');}
+return nativeSRD.apply(this,arguments);};}},{"./utils":15,"sdp":17}],7:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=exports.shimGetUserMedia=undefined;var _getusermedia=require('./getusermedia');Object.defineProperty(exports,'shimGetUserMedia',{enumerable:true,get:function get(){return _getusermedia.shimGetUserMedia;}});var _getdisplaymedia=require('./getdisplaymedia');Object.defineProperty(exports,'shimGetDisplayMedia',{enumerable:true,get:function get(){return _getdisplaymedia.shimGetDisplayMedia;}});exports.shimPeerConnection=shimPeerConnection;exports.shimReplaceTrack=shimReplaceTrack;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);var _filtericeservers=require('./filtericeservers');var _rtcpeerconnectionShim=require('rtcpeerconnection-shim');var _rtcpeerconnectionShim2=_interopRequireDefault(_rtcpeerconnectionShim);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}
+function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function shimPeerConnection(window){var browserDetails=utils.detectBrowser(window);if(window.RTCIceGatherer){if(!window.RTCIceCandidate){window.RTCIceCandidate=function(args){return args;};}
+if(!window.RTCSessionDescription){window.RTCSessionDescription=function(args){return args;};}
+if(browserDetails.version<15025){var origMSTEnabled=Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype,'enabled');Object.defineProperty(window.MediaStreamTrack.prototype,'enabled',{set:function set(value){origMSTEnabled.set.call(this,value);var ev=new Event('enabled');ev.enabled=value;this.dispatchEvent(ev);}});}}
+if(window.RTCRtpSender&&!('dtmf'in window.RTCRtpSender.prototype)){Object.defineProperty(window.RTCRtpSender.prototype,'dtmf',{get:function get(){if(this._dtmf===undefined){if(this.track.kind==='audio'){this._dtmf=new window.RTCDtmfSender(this);}else if(this.track.kind==='video'){this._dtmf=null;}}
+return this._dtmf;}});}
+if(window.RTCDtmfSender&&!window.RTCDTMFSender){window.RTCDTMFSender=window.RTCDtmfSender;}
+var RTCPeerConnectionShim=(0,_rtcpeerconnectionShim2.default)(window,browserDetails.version);window.RTCPeerConnection=function(config){if(config&&config.iceServers){config.iceServers=(0,_filtericeservers.filterIceServers)(config.iceServers,browserDetails.version);utils.log('ICE servers after filtering:',config.iceServers);}
+return new RTCPeerConnectionShim(config);};window.RTCPeerConnection.prototype=RTCPeerConnectionShim.prototype;}
+function shimReplaceTrack(window){if(window.RTCRtpSender&&!('replaceTrack'in window.RTCRtpSender.prototype)){window.RTCRtpSender.prototype.replaceTrack=window.RTCRtpSender.prototype.setTrack;}}},{"../utils":15,"./filtericeservers":8,"./getdisplaymedia":9,"./getusermedia":10,"rtcpeerconnection-shim":16}],8:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.filterIceServers=filterIceServers;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function filterIceServers(iceServers,edgeVersion){var hasTurn=false;iceServers=JSON.parse(JSON.stringify(iceServers));return iceServers.filter(function(server){if(server&&(server.urls||server.url)){var urls=server.urls||server.url;if(server.url&&!server.urls){utils.deprecated('RTCIceServer.url','RTCIceServer.urls');}
+var isString=typeof urls==='string';if(isString){urls=[urls];}
+urls=urls.filter(function(url){if(url.indexOf('stun:')===0){return false;}
+var validTurn=url.startsWith('turn')&&!url.startsWith('turn:[')&&url.includes('transport=udp');if(validTurn&&!hasTurn){hasTurn=true;return true;}
+return validTurn&&!hasTurn;});delete server.url;server.urls=isString?urls[0]:urls;return!!urls.length;}});}},{"../utils":15}],9:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=shimGetDisplayMedia;function shimGetDisplayMedia(window){if(!('getDisplayMedia'in window.navigator)){return;}
+if(!window.navigator.mediaDevices){return;}
+if(window.navigator.mediaDevices&&'getDisplayMedia'in window.navigator.mediaDevices){return;}
+window.navigator.mediaDevices.getDisplayMedia=window.navigator.getDisplayMedia.bind(window.navigator.mediaDevices);}},{}],10:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetUserMedia=shimGetUserMedia;function shimGetUserMedia(window){var navigator=window&&window.navigator;var shimError_=function shimError_(e){return{name:{PermissionDeniedError:'NotAllowedError'}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function toString(){return this.name;}};};var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e));});};}},{}],11:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=exports.shimGetUserMedia=undefined;var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};var _getusermedia=require('./getusermedia');Object.defineProperty(exports,'shimGetUserMedia',{enumerable:true,get:function get(){return _getusermedia.shimGetUserMedia;}});var _getdisplaymedia=require('./getdisplaymedia');Object.defineProperty(exports,'shimGetDisplayMedia',{enumerable:true,get:function get(){return _getdisplaymedia.shimGetDisplayMedia;}});exports.shimOnTrack=shimOnTrack;exports.shimPeerConnection=shimPeerConnection;exports.shimSenderGetStats=shimSenderGetStats;exports.shimReceiverGetStats=shimReceiverGetStats;exports.shimRemoveStream=shimRemoveStream;exports.shimRTCDataChannel=shimRTCDataChannel;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function shimOnTrack(window){if((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCTrackEvent&&'receiver'in window.RTCTrackEvent.prototype&&!('transceiver'in window.RTCTrackEvent.prototype)){Object.defineProperty(window.RTCTrackEvent.prototype,'transceiver',{get:function get(){return{receiver:this.receiver};}});}}
+function shimPeerConnection(window){var browserDetails=utils.detectBrowser(window);if((typeof window==='undefined'?'undefined':_typeof(window))!=='object'||!(window.RTCPeerConnection||window.mozRTCPeerConnection)){return;}
+if(!window.RTCPeerConnection&&window.mozRTCPeerConnection){window.RTCPeerConnection=window.mozRTCPeerConnection;}
+['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){arguments[0]=new(method==='addIceCandidate'?window.RTCIceCandidate:window.RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments);};});var nativeAddIceCandidate=window.RTCPeerConnection.prototype.addIceCandidate;window.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null);}
+return Promise.resolve();}
+return nativeAddIceCandidate.apply(this,arguments);};var modernStatsTypes={inboundrtp:'inbound-rtp',outboundrtp:'outbound-rtp',candidatepair:'candidate-pair',localcandidate:'local-candidate',remotecandidate:'remote-candidate'};var nativeGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(selector,onSucc,onErr){return nativeGetStats.apply(this,[selector||null]).then(function(stats){if(browserDetails.version<53&&!onSucc){try{stats.forEach(function(stat){stat.type=modernStatsTypes[stat.type]||stat.type;});}catch(e){if(e.name!=='TypeError'){throw e;}
+stats.forEach(function(stat,i){stats.set(i,Object.assign({},stat,{type:modernStatsTypes[stat.type]||stat.type}));});}}
+return stats;}).then(onSucc,onErr);};}
+function shimSenderGetStats(window){if(!((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&window.RTCRtpSender)){return;}
+if(window.RTCRtpSender&&'getStats'in window.RTCRtpSender.prototype){return;}
+var origGetSenders=window.RTCPeerConnection.prototype.getSenders;if(origGetSenders){window.RTCPeerConnection.prototype.getSenders=function(){var _this=this;var senders=origGetSenders.apply(this,[]);senders.forEach(function(sender){return sender._pc=_this;});return senders;};}
+var origAddTrack=window.RTCPeerConnection.prototype.addTrack;if(origAddTrack){window.RTCPeerConnection.prototype.addTrack=function(){var sender=origAddTrack.apply(this,arguments);sender._pc=this;return sender;};}
+window.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map());};}
+function shimReceiverGetStats(window){if(!((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&window.RTCRtpSender)){return;}
+if(window.RTCRtpSender&&'getStats'in window.RTCRtpReceiver.prototype){return;}
+var origGetReceivers=window.RTCPeerConnection.prototype.getReceivers;if(origGetReceivers){window.RTCPeerConnection.prototype.getReceivers=function(){var _this2=this;var receivers=origGetReceivers.apply(this,[]);receivers.forEach(function(receiver){return receiver._pc=_this2;});return receivers;};}
+utils.wrapPeerConnectionEvent(window,'track',function(e){e.receiver._pc=e.srcElement;return e;});window.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track);};}
+function shimRemoveStream(window){if(!window.RTCPeerConnection||'removeStream'in window.RTCPeerConnection.prototype){return;}
+window.RTCPeerConnection.prototype.removeStream=function(stream){var _this3=this;utils.deprecated('removeStream','removeTrack');this.getSenders().forEach(function(sender){if(sender.track&&stream.getTracks().includes(sender.track)){_this3.removeTrack(sender);}});};}
+function shimRTCDataChannel(window){if(window.DataChannel&&!window.RTCDataChannel){window.RTCDataChannel=window.DataChannel;}}},{"../utils":15,"./getdisplaymedia":12,"./getusermedia":13}],12:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=shimGetDisplayMedia;function shimGetDisplayMedia(window,preferredMediaSource){if(window.navigator.mediaDevices&&'getDisplayMedia'in window.navigator.mediaDevices){return;}
+if(!window.navigator.mediaDevices){return;}
+window.navigator.mediaDevices.getDisplayMedia=function(constraints){if(!(constraints&&constraints.video)){var err=new DOMException('getDisplayMedia without video '+'constraints is undefined');err.name='NotFoundError';err.code=8;return Promise.reject(err);}
+if(constraints.video===true){constraints.video={mediaSource:preferredMediaSource};}else{constraints.video.mediaSource=preferredMediaSource;}
+return window.navigator.mediaDevices.getUserMedia(constraints);};}},{}],13:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};exports.shimGetUserMedia=shimGetUserMedia;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function shimGetUserMedia(window){var browserDetails=utils.detectBrowser(window);var navigator=window&&window.navigator;var MediaStreamTrack=window&&window.MediaStreamTrack;navigator.getUserMedia=function(constraints,onSuccess,onError){utils.deprecated('navigator.getUserMedia','navigator.mediaDevices.getUserMedia');navigator.mediaDevices.getUserMedia(constraints).then(onSuccess,onError);};if(!(browserDetails.version>55&&'autoGainControl'in navigator.mediaDevices.getSupportedConstraints())){var remap=function remap(obj,a,b){if(a in obj&&!(b in obj)){obj[b]=obj[a];delete obj[a];}};var nativeGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){if((typeof c==='undefined'?'undefined':_typeof(c))==='object'&&_typeof(c.audio)==='object'){c=JSON.parse(JSON.stringify(c));remap(c.audio,'autoGainControl','mozAutoGainControl');remap(c.audio,'noiseSuppression','mozNoiseSuppression');}
+return nativeGetUserMedia(c);};if(MediaStreamTrack&&MediaStreamTrack.prototype.getSettings){var nativeGetSettings=MediaStreamTrack.prototype.getSettings;MediaStreamTrack.prototype.getSettings=function(){var obj=nativeGetSettings.apply(this,arguments);remap(obj,'mozAutoGainControl','autoGainControl');remap(obj,'mozNoiseSuppression','noiseSuppression');return obj;};}
+if(MediaStreamTrack&&MediaStreamTrack.prototype.applyConstraints){var nativeApplyConstraints=MediaStreamTrack.prototype.applyConstraints;MediaStreamTrack.prototype.applyConstraints=function(c){if(this.kind==='audio'&&(typeof c==='undefined'?'undefined':_typeof(c))==='object'){c=JSON.parse(JSON.stringify(c));remap(c,'autoGainControl','mozAutoGainControl');remap(c,'noiseSuppression','mozNoiseSuppression');}
+return nativeApplyConstraints.apply(this,[c]);};}}}},{"../utils":15}],14:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};exports.shimLocalStreamsAPI=shimLocalStreamsAPI;exports.shimRemoteStreamsAPI=shimRemoteStreamsAPI;exports.shimCallbacksAPI=shimCallbacksAPI;exports.shimGetUserMedia=shimGetUserMedia;exports.shimConstraints=shimConstraints;exports.shimRTCIceServerUrls=shimRTCIceServerUrls;exports.shimTrackEventTransceiver=shimTrackEventTransceiver;exports.shimCreateOfferLegacy=shimCreateOfferLegacy;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function shimLocalStreamsAPI(window){if((typeof window==='undefined'?'undefined':_typeof(window))!=='object'||!window.RTCPeerConnection){return;}
+if(!('getLocalStreams'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getLocalStreams=function(){if(!this._localStreams){this._localStreams=[];}
+return this._localStreams;};}
+if(!('addStream'in window.RTCPeerConnection.prototype)){var _addTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addStream=function(stream){var _this=this;if(!this._localStreams){this._localStreams=[];}
+if(!this._localStreams.includes(stream)){this._localStreams.push(stream);}
+stream.getTracks().forEach(function(track){return _addTrack.call(_this,track,stream);});};window.RTCPeerConnection.prototype.addTrack=function(track,stream){if(stream){if(!this._localStreams){this._localStreams=[stream];}else if(!this._localStreams.includes(stream)){this._localStreams.push(stream);}}
+return _addTrack.call(this,track,stream);};}
+if(!('removeStream'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.removeStream=function(stream){var _this2=this;if(!this._localStreams){this._localStreams=[];}
+var index=this._localStreams.indexOf(stream);if(index===-1){return;}
+this._localStreams.splice(index,1);var tracks=stream.getTracks();this.getSenders().forEach(function(sender){if(tracks.includes(sender.track)){_this2.removeTrack(sender);}});};}}
+function shimRemoteStreamsAPI(window){if((typeof window==='undefined'?'undefined':_typeof(window))!=='object'||!window.RTCPeerConnection){return;}
+if(!('getRemoteStreams'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[];};}
+if(!('onaddstream'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'onaddstream',{get:function get(){return this._onaddstream;},set:function set(f){var _this3=this;if(this._onaddstream){this.removeEventListener('addstream',this._onaddstream);this.removeEventListener('track',this._onaddstreampoly);}
+this.addEventListener('addstream',this._onaddstream=f);this.addEventListener('track',this._onaddstreampoly=function(e){e.streams.forEach(function(stream){if(!_this3._remoteStreams){_this3._remoteStreams=[];}
+if(_this3._remoteStreams.includes(stream)){return;}
+_this3._remoteStreams.push(stream);var event=new Event('addstream');event.stream=stream;_this3.dispatchEvent(event);});});}});var origSetRemoteDescription=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(){var pc=this;if(!this._onaddstreampoly){this.addEventListener('track',this._onaddstreampoly=function(e){e.streams.forEach(function(stream){if(!pc._remoteStreams){pc._remoteStreams=[];}
+if(pc._remoteStreams.indexOf(stream)>=0){return;}
+pc._remoteStreams.push(stream);var event=new Event('addstream');event.stream=stream;pc.dispatchEvent(event);});});}
+return origSetRemoteDescription.apply(pc,arguments);};}}
+function shimCallbacksAPI(window){if((typeof window==='undefined'?'undefined':_typeof(window))!=='object'||!window.RTCPeerConnection){return;}
+var prototype=window.RTCPeerConnection.prototype;var createOffer=prototype.createOffer;var createAnswer=prototype.createAnswer;var setLocalDescription=prototype.setLocalDescription;var setRemoteDescription=prototype.setRemoteDescription;var addIceCandidate=prototype.addIceCandidate;prototype.createOffer=function(successCallback,failureCallback){var options=arguments.length>=2?arguments[2]:arguments[0];var promise=createOffer.apply(this,[options]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.createAnswer=function(successCallback,failureCallback){var options=arguments.length>=2?arguments[2]:arguments[0];var promise=createAnswer.apply(this,[options]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};var withCallback=function withCallback(description,successCallback,failureCallback){var promise=setLocalDescription.apply(this,[description]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.setLocalDescription=withCallback;withCallback=function withCallback(description,successCallback,failureCallback){var promise=setRemoteDescription.apply(this,[description]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.setRemoteDescription=withCallback;withCallback=function withCallback(candidate,successCallback,failureCallback){var promise=addIceCandidate.apply(this,[candidate]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.addIceCandidate=withCallback;}
+function shimGetUserMedia(window){var navigator=window&&window.navigator;if(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){var mediaDevices=navigator.mediaDevices;var _getUserMedia=mediaDevices.getUserMedia.bind(mediaDevices);navigator.mediaDevices.getUserMedia=function(constraints){return _getUserMedia(shimConstraints(constraints));};}
+if(!navigator.getUserMedia&&navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){navigator.getUserMedia=function(constraints,cb,errcb){navigator.mediaDevices.getUserMedia(constraints).then(cb,errcb);}.bind(navigator);}}
+function shimConstraints(constraints){if(constraints&&constraints.video!==undefined){return Object.assign({},constraints,{video:utils.compactObject(constraints.video)});}
+return constraints;}
+function shimRTCIceServerUrls(window){var OrigPeerConnection=window.RTCPeerConnection;window.RTCPeerConnection=function(pcConfig,pcConstraints){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i=pos&&parseInt(match[pos],10);}
+function wrapPeerConnectionEvent(window,eventNameToWrap,wrapper){if(!window.RTCPeerConnection){return;}
+var proto=window.RTCPeerConnection.prototype;var nativeAddEventListener=proto.addEventListener;proto.addEventListener=function(nativeEventName,cb){if(nativeEventName!==eventNameToWrap){return nativeAddEventListener.apply(this,arguments);}
+var wrappedCallback=function wrappedCallback(e){var modifiedEvent=wrapper(e);if(modifiedEvent){cb(modifiedEvent);}};this._eventMap=this._eventMap||{};this._eventMap[cb]=wrappedCallback;return nativeAddEventListener.apply(this,[nativeEventName,wrappedCallback]);};var nativeRemoveEventListener=proto.removeEventListener;proto.removeEventListener=function(nativeEventName,cb){if(nativeEventName!==eventNameToWrap||!this._eventMap||!this._eventMap[cb]){return nativeRemoveEventListener.apply(this,arguments);}
+var unwrappedCb=this._eventMap[cb];delete this._eventMap[cb];return nativeRemoveEventListener.apply(this,[nativeEventName,unwrappedCb]);};Object.defineProperty(proto,'on'+eventNameToWrap,{get:function get(){return this['_on'+eventNameToWrap];},set:function set(cb){if(this['_on'+eventNameToWrap]){this.removeEventListener(eventNameToWrap,this['_on'+eventNameToWrap]);delete this['_on'+eventNameToWrap];}
+if(cb){this.addEventListener(eventNameToWrap,this['_on'+eventNameToWrap]=cb);}},enumerable:true,configurable:true});}
+function disableLog(bool){if(typeof bool!=='boolean'){return new Error('Argument type: '+(typeof bool==='undefined'?'undefined':_typeof(bool))+'. Please use a boolean.');}
+logDisabled_=bool;return bool?'adapter.js logging disabled':'adapter.js logging enabled';}
+function disableWarnings(bool){if(typeof bool!=='boolean'){return new Error('Argument type: '+(typeof bool==='undefined'?'undefined':_typeof(bool))+'. Please use a boolean.');}
+deprecationWarnings_=!bool;return'adapter.js deprecation warnings '+(bool?'disabled':'enabled');}
+function log(){if((typeof window==='undefined'?'undefined':_typeof(window))==='object'){if(logDisabled_){return;}
+if(typeof console!=='undefined'&&typeof console.log==='function'){console.log.apply(console,arguments);}}}
+function deprecated(oldMethod,newMethod){if(!deprecationWarnings_){return;}
+console.warn(oldMethod+' is deprecated, please use '+newMethod+' instead.');}
+function detectBrowser(window){var navigator=window.navigator;var result={browser:null,version:null};if(typeof window==='undefined'||!window.navigator){result.browser='Not a browser.';return result;}
+if(navigator.mozGetUserMedia){result.browser='firefox';result.version=extractVersion(navigator.userAgent,/Firefox\/(\d+)\./,1);}else if(navigator.webkitGetUserMedia){result.browser='chrome';result.version=extractVersion(navigator.userAgent,/Chrom(e|ium)\/(\d+)\./,2);}else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)){result.browser='edge';result.version=extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2);}else if(window.RTCPeerConnection&&navigator.userAgent.match(/AppleWebKit\/(\d+)\./)){result.browser='safari';result.version=extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1);}else{result.browser='Not a supported browser.';return result;}
+return result;}
+function compactObject(data){if((typeof data==='undefined'?'undefined':_typeof(data))!=='object'){return data;}
+return Object.keys(data).reduce(function(accumulator,key){var isObject=_typeof(data[key])==='object';var value=isObject?compactObject(data[key]):data[key];var isEmptyObject=isObject&&!Object.keys(value).length;if(value===undefined||isEmptyObject){return accumulator;}
+return Object.assign(accumulator,_defineProperty({},key,value));},{});}},{}],16:[function(require,module,exports){'use strict';var SDPUtils=require('sdp');function fixStatsType(stat){return{inboundrtp:'inbound-rtp',outboundrtp:'outbound-rtp',candidatepair:'candidate-pair',localcandidate:'local-candidate',remotecandidate:'remote-candidate'}[stat.type]||stat.type;}
+function writeMediaSection(transceiver,caps,type,stream,dtlsRole){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters());sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),type==='offer'?'actpass':dtlsRole||'active');sdp+='a=mid:'+transceiver.mid+'\r\n';if(transceiver.rtpSender&&transceiver.rtpReceiver){sdp+='a=sendrecv\r\n';}else if(transceiver.rtpSender){sdp+='a=sendonly\r\n';}else if(transceiver.rtpReceiver){sdp+='a=recvonly\r\n';}else{sdp+='a=inactive\r\n';}
+if(transceiver.rtpSender){var trackId=transceiver.rtpSender._initialTrackId||transceiver.rtpSender.track.id;transceiver.rtpSender._initialTrackId=trackId;var msid='msid:'+(stream?stream.id:'-')+' '+
+trackId+'\r\n';sdp+='a='+msid;sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' '+msid;if(transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' '+msid;sdp+='a=ssrc-group:FID '+
+transceiver.sendEncodingParameters[0].ssrc+' '+
+transceiver.sendEncodingParameters[0].rtx.ssrc+'\r\n';}}
+sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' cname:'+SDPUtils.localCName+'\r\n';if(transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' cname:'+SDPUtils.localCName+'\r\n';}
+return sdp;}
+function filterIceServers(iceServers,edgeVersion){var hasTurn=false;iceServers=JSON.parse(JSON.stringify(iceServers));return iceServers.filter(function(server){if(server&&(server.urls||server.url)){var urls=server.urls||server.url;if(server.url&&!server.urls){console.warn('RTCIceServer.url is deprecated! Use urls instead.');}
+var isString=typeof urls==='string';if(isString){urls=[urls];}
+urls=urls.filter(function(url){var validTurn=url.indexOf('turn:')===0&&url.indexOf('transport=udp')!==-1&&url.indexOf('turn:[')===-1&&!hasTurn;if(validTurn){hasTurn=true;return true;}
+return url.indexOf('stun:')===0&&edgeVersion>=14393&&url.indexOf('?transport=udp')===-1;});delete server.url;server.urls=isString?urls[0]:urls;return!!urls.length;}});}
+function getCommonCapabilities(localCapabilities,remoteCapabilities){var commonCapabilities={codecs:[],headerExtensions:[],fecMechanisms:[]};var findCodecByPayloadType=function(pt,codecs){pt=parseInt(pt,10);for(var i=0;i0;i--){this._iceGatherers.push(new window.RTCIceGatherer({iceServers:config.iceServers,gatherPolicy:config.iceTransportPolicy}));}}else{config.iceCandidatePoolSize=0;}
+this._config=config;this.transceivers=[];this._sdpSessionId=SDPUtils.generateSessionId();this._sdpSessionVersion=0;this._dtlsRole=undefined;this._isClosed=false;};Object.defineProperty(RTCPeerConnection.prototype,'localDescription',{configurable:true,get:function(){return this._localDescription;}});Object.defineProperty(RTCPeerConnection.prototype,'remoteDescription',{configurable:true,get:function(){return this._remoteDescription;}});RTCPeerConnection.prototype.onicecandidate=null;RTCPeerConnection.prototype.onaddstream=null;RTCPeerConnection.prototype.ontrack=null;RTCPeerConnection.prototype.onremovestream=null;RTCPeerConnection.prototype.onsignalingstatechange=null;RTCPeerConnection.prototype.oniceconnectionstatechange=null;RTCPeerConnection.prototype.onconnectionstatechange=null;RTCPeerConnection.prototype.onicegatheringstatechange=null;RTCPeerConnection.prototype.onnegotiationneeded=null;RTCPeerConnection.prototype.ondatachannel=null;RTCPeerConnection.prototype._dispatchEvent=function(name,event){if(this._isClosed){return;}
+this.dispatchEvent(event);if(typeof this['on'+name]==='function'){this['on'+name](event);}};RTCPeerConnection.prototype._emitGatheringStateChange=function(){var event=new Event('icegatheringstatechange');this._dispatchEvent('icegatheringstatechange',event);};RTCPeerConnection.prototype.getConfiguration=function(){return this._config;};RTCPeerConnection.prototype.getLocalStreams=function(){return this.localStreams;};RTCPeerConnection.prototype.getRemoteStreams=function(){return this.remoteStreams;};RTCPeerConnection.prototype._createTransceiver=function(kind,doNotAdd){var hasBundleTransport=this.transceivers.length>0;var transceiver={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:kind,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,associatedRemoteMediaStreams:[],wantReceive:true};if(this.usingBundle&&hasBundleTransport){transceiver.iceTransport=this.transceivers[0].iceTransport;transceiver.dtlsTransport=this.transceivers[0].dtlsTransport;}else{var transports=this._createIceAndDtlsTransports();transceiver.iceTransport=transports.iceTransport;transceiver.dtlsTransport=transports.dtlsTransport;}
+if(!doNotAdd){this.transceivers.push(transceiver);}
+return transceiver;};RTCPeerConnection.prototype.addTrack=function(track,stream){if(this._isClosed){throw makeError('InvalidStateError','Attempted to call addTrack on a closed peerconnection.');}
+var alreadyExists=this.transceivers.find(function(s){return s.track===track;});if(alreadyExists){throw makeError('InvalidAccessError','Track already exists.');}
+var transceiver;for(var i=0;i=15025){stream.getTracks().forEach(function(track){pc.addTrack(track,stream);});}else{var clonedStream=stream.clone();stream.getTracks().forEach(function(track,idx){var clonedTrack=clonedStream.getTracks()[idx];track.addEventListener('enabled',function(event){clonedTrack.enabled=event.enabled;});});clonedStream.getTracks().forEach(function(track){pc.addTrack(track,clonedStream);});}};RTCPeerConnection.prototype.removeTrack=function(sender){if(this._isClosed){throw makeError('InvalidStateError','Attempted to call removeTrack on a closed peerconnection.');}
+if(!(sender instanceof window.RTCRtpSender)){throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack '+'does not implement interface RTCRtpSender.');}
+var transceiver=this.transceivers.find(function(t){return t.rtpSender===sender;});if(!transceiver){throw makeError('InvalidAccessError','Sender was not created by this connection.');}
+var stream=transceiver.stream;transceiver.rtpSender.stop();transceiver.rtpSender=null;transceiver.track=null;transceiver.stream=null;var localStreams=this.transceivers.map(function(t){return t.stream;});if(localStreams.indexOf(stream)===-1&&this.localStreams.indexOf(stream)>-1){this.localStreams.splice(this.localStreams.indexOf(stream),1);}
+this._maybeFireNegotiationNeeded();};RTCPeerConnection.prototype.removeStream=function(stream){var pc=this;stream.getTracks().forEach(function(track){var sender=pc.getSenders().find(function(s){return s.track===track;});if(sender){pc.removeTrack(sender);}});};RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpSender;}).map(function(transceiver){return transceiver.rtpSender;});};RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpReceiver;}).map(function(transceiver){return transceiver.rtpReceiver;});};RTCPeerConnection.prototype._createIceGatherer=function(sdpMLineIndex,usingBundle){var pc=this;if(usingBundle&&sdpMLineIndex>0){return this.transceivers[0].iceGatherer;}else if(this._iceGatherers.length){return this._iceGatherers.shift();}
+var iceGatherer=new window.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});Object.defineProperty(iceGatherer,'state',{value:'new',writable:true});this.transceivers[sdpMLineIndex].bufferedCandidateEvents=[];this.transceivers[sdpMLineIndex].bufferCandidates=function(event){var end=!event.candidate||Object.keys(event.candidate).length===0;iceGatherer.state=end?'completed':'gathering';if(pc.transceivers[sdpMLineIndex].bufferedCandidateEvents!==null){pc.transceivers[sdpMLineIndex].bufferedCandidateEvents.push(event);}};iceGatherer.addEventListener('localcandidate',this.transceivers[sdpMLineIndex].bufferCandidates);return iceGatherer;};RTCPeerConnection.prototype._gather=function(mid,sdpMLineIndex){var pc=this;var iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;if(iceGatherer.onlocalcandidate){return;}
+var bufferedCandidateEvents=this.transceivers[sdpMLineIndex].bufferedCandidateEvents;this.transceivers[sdpMLineIndex].bufferedCandidateEvents=null;iceGatherer.removeEventListener('localcandidate',this.transceivers[sdpMLineIndex].bufferCandidates);iceGatherer.onlocalcandidate=function(evt){if(pc.usingBundle&&sdpMLineIndex>0){return;}
+var event=new Event('icecandidate');event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate;var end=!cand||Object.keys(cand).length===0;if(end){if(iceGatherer.state==='new'||iceGatherer.state==='gathering'){iceGatherer.state='completed';}}else{if(iceGatherer.state==='new'){iceGatherer.state='gathering';}
+cand.component=1;cand.ufrag=iceGatherer.getLocalParameters().usernameFragment;var serializedCandidate=SDPUtils.writeCandidate(cand);event.candidate=Object.assign(event.candidate,SDPUtils.parseCandidate(serializedCandidate));event.candidate.candidate=serializedCandidate;event.candidate.toJSON=function(){return{candidate:event.candidate.candidate,sdpMid:event.candidate.sdpMid,sdpMLineIndex:event.candidate.sdpMLineIndex,usernameFragment:event.candidate.usernameFragment};};}
+var sections=SDPUtils.getMediaSections(pc._localDescription.sdp);if(!end){sections[event.candidate.sdpMLineIndex]+='a='+event.candidate.candidate+'\r\n';}else{sections[event.candidate.sdpMLineIndex]+='a=end-of-candidates\r\n';}
+pc._localDescription.sdp=SDPUtils.getDescription(pc._localDescription.sdp)+
+sections.join('');var complete=pc.transceivers.every(function(transceiver){return transceiver.iceGatherer&&transceiver.iceGatherer.state==='completed';});if(pc.iceGatheringState!=='gathering'){pc.iceGatheringState='gathering';pc._emitGatheringStateChange();}
+if(!end){pc._dispatchEvent('icecandidate',event);}
+if(complete){pc._dispatchEvent('icecandidate',new Event('icecandidate'));pc.iceGatheringState='complete';pc._emitGatheringStateChange();}};window.setTimeout(function(){bufferedCandidateEvents.forEach(function(e){iceGatherer.onlocalcandidate(e);});},0);};RTCPeerConnection.prototype._createIceAndDtlsTransports=function(){var pc=this;var iceTransport=new window.RTCIceTransport(null);iceTransport.onicestatechange=function(){pc._updateIceConnectionState();pc._updateConnectionState();};var dtlsTransport=new window.RTCDtlsTransport(iceTransport);dtlsTransport.ondtlsstatechange=function(){pc._updateConnectionState();};dtlsTransport.onerror=function(){Object.defineProperty(dtlsTransport,'state',{value:'failed',writable:true});pc._updateConnectionState();};return{iceTransport:iceTransport,dtlsTransport:dtlsTransport};};RTCPeerConnection.prototype._disposeIceAndDtlsTransports=function(sdpMLineIndex){var iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;if(iceGatherer){delete iceGatherer.onlocalcandidate;delete this.transceivers[sdpMLineIndex].iceGatherer;}
+var iceTransport=this.transceivers[sdpMLineIndex].iceTransport;if(iceTransport){delete iceTransport.onicestatechange;delete this.transceivers[sdpMLineIndex].iceTransport;}
+var dtlsTransport=this.transceivers[sdpMLineIndex].dtlsTransport;if(dtlsTransport){delete dtlsTransport.ondtlsstatechange;delete dtlsTransport.onerror;delete this.transceivers[sdpMLineIndex].dtlsTransport;}};RTCPeerConnection.prototype._transceive=function(transceiver,send,recv){var params=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);if(send&&transceiver.rtpSender){params.encodings=transceiver.sendEncodingParameters;params.rtcp={cname:SDPUtils.localCName,compound:transceiver.rtcpParameters.compound};if(transceiver.recvEncodingParameters.length){params.rtcp.ssrc=transceiver.recvEncodingParameters[0].ssrc;}
+transceiver.rtpSender.send(params);}
+if(recv&&transceiver.rtpReceiver&¶ms.codecs.length>0){if(transceiver.kind==='video'&&transceiver.recvEncodingParameters&&edgeVersion<15019){transceiver.recvEncodingParameters.forEach(function(p){delete p.rtx;});}
+if(transceiver.recvEncodingParameters.length){params.encodings=transceiver.recvEncodingParameters;}else{params.encodings=[{}];}
+params.rtcp={compound:transceiver.rtcpParameters.compound};if(transceiver.rtcpParameters.cname){params.rtcp.cname=transceiver.rtcpParameters.cname;}
+if(transceiver.sendEncodingParameters.length){params.rtcp.ssrc=transceiver.sendEncodingParameters[0].ssrc;}
+transceiver.rtpReceiver.receive(params);}};RTCPeerConnection.prototype.setLocalDescription=function(description){var pc=this;if(['offer','answer'].indexOf(description.type)===-1){return Promise.reject(makeError('TypeError','Unsupported type "'+description.type+'"'));}
+if(!isActionAllowedInSignalingState('setLocalDescription',description.type,pc.signalingState)||pc._isClosed){return Promise.reject(makeError('InvalidStateError','Can not set local '+description.type+' in state '+pc.signalingState));}
+var sections;var sessionpart;if(description.type==='offer'){sections=SDPUtils.splitSections(description.sdp);sessionpart=sections.shift();sections.forEach(function(mediaSection,sdpMLineIndex){var caps=SDPUtils.parseRtpParameters(mediaSection);pc.transceivers[sdpMLineIndex].localCapabilities=caps;});pc.transceivers.forEach(function(transceiver,sdpMLineIndex){pc._gather(transceiver.mid,sdpMLineIndex);});}else if(description.type==='answer'){sections=SDPUtils.splitSections(pc._remoteDescription.sdp);sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,'a=ice-lite').length>0;sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver=pc.transceivers[sdpMLineIndex];var iceGatherer=transceiver.iceGatherer;var iceTransport=transceiver.iceTransport;var dtlsTransport=transceiver.dtlsTransport;var localCapabilities=transceiver.localCapabilities;var remoteCapabilities=transceiver.remoteCapabilities;var rejected=SDPUtils.isRejected(mediaSection)&&SDPUtils.matchPrefix(mediaSection,'a=bundle-only').length===0;if(!rejected&&!transceiver.rejected){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);if(isIceLite){remoteDtlsParameters.role='server';}
+if(!pc.usingBundle||sdpMLineIndex===0){pc._gather(transceiver.mid,sdpMLineIndex);if(iceTransport.state==='new'){iceTransport.start(iceGatherer,remoteIceParameters,isIceLite?'controlling':'controlled');}
+if(dtlsTransport.state==='new'){dtlsTransport.start(remoteDtlsParameters);}}
+var params=getCommonCapabilities(localCapabilities,remoteCapabilities);pc._transceive(transceiver,params.codecs.length>0,false);}});}
+pc._localDescription={type:description.type,sdp:description.sdp};if(description.type==='offer'){pc._updateSignalingState('have-local-offer');}else{pc._updateSignalingState('stable');}
+return Promise.resolve();};RTCPeerConnection.prototype.setRemoteDescription=function(description){var pc=this;if(['offer','answer'].indexOf(description.type)===-1){return Promise.reject(makeError('TypeError','Unsupported type "'+description.type+'"'));}
+if(!isActionAllowedInSignalingState('setRemoteDescription',description.type,pc.signalingState)||pc._isClosed){return Promise.reject(makeError('InvalidStateError','Can not set remote '+description.type+' in state '+pc.signalingState));}
+var streams={};pc.remoteStreams.forEach(function(stream){streams[stream.id]=stream;});var receiverList=[];var sections=SDPUtils.splitSections(description.sdp);var sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,'a=ice-lite').length>0;var usingBundle=SDPUtils.matchPrefix(sessionpart,'a=group:BUNDLE ').length>0;pc.usingBundle=usingBundle;var iceOptions=SDPUtils.matchPrefix(sessionpart,'a=ice-options:')[0];if(iceOptions){pc.canTrickleIceCandidates=iceOptions.substr(14).split(' ').indexOf('trickle')>=0;}else{pc.canTrickleIceCandidates=false;}
+sections.forEach(function(mediaSection,sdpMLineIndex){var lines=SDPUtils.splitLines(mediaSection);var kind=SDPUtils.getKind(mediaSection);var rejected=SDPUtils.isRejected(mediaSection)&&SDPUtils.matchPrefix(mediaSection,'a=bundle-only').length===0;var protocol=lines[0].substr(2).split(' ')[2];var direction=SDPUtils.getDirection(mediaSection,sessionpart);var remoteMsid=SDPUtils.parseMsid(mediaSection);var mid=SDPUtils.getMid(mediaSection)||SDPUtils.generateIdentifier();if(rejected||(kind==='application'&&(protocol==='DTLS/SCTP'||protocol==='UDP/DTLS/SCTP'))){pc.transceivers[sdpMLineIndex]={mid:mid,kind:kind,protocol:protocol,rejected:true};return;}
+if(!rejected&&pc.transceivers[sdpMLineIndex]&&pc.transceivers[sdpMLineIndex].rejected){pc.transceivers[sdpMLineIndex]=pc._createTransceiver(kind,true);}
+var transceiver;var iceGatherer;var iceTransport;var dtlsTransport;var rtpReceiver;var sendEncodingParameters;var recvEncodingParameters;var localCapabilities;var track;var remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);var remoteIceParameters;var remoteDtlsParameters;if(!rejected){remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);remoteDtlsParameters.role='client';}
+recvEncodingParameters=SDPUtils.parseRtpEncodingParameters(mediaSection);var rtcpParameters=SDPUtils.parseRtcpParameters(mediaSection);var isComplete=SDPUtils.matchPrefix(mediaSection,'a=end-of-candidates',sessionpart).length>0;var cands=SDPUtils.matchPrefix(mediaSection,'a=candidate:').map(function(cand){return SDPUtils.parseCandidate(cand);}).filter(function(cand){return cand.component===1;});if((description.type==='offer'||description.type==='answer')&&!rejected&&usingBundle&&sdpMLineIndex>0&&pc.transceivers[sdpMLineIndex]){pc._disposeIceAndDtlsTransports(sdpMLineIndex);pc.transceivers[sdpMLineIndex].iceGatherer=pc.transceivers[0].iceGatherer;pc.transceivers[sdpMLineIndex].iceTransport=pc.transceivers[0].iceTransport;pc.transceivers[sdpMLineIndex].dtlsTransport=pc.transceivers[0].dtlsTransport;if(pc.transceivers[sdpMLineIndex].rtpSender){pc.transceivers[sdpMLineIndex].rtpSender.setTransport(pc.transceivers[0].dtlsTransport);}
+if(pc.transceivers[sdpMLineIndex].rtpReceiver){pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(pc.transceivers[0].dtlsTransport);}}
+if(description.type==='offer'&&!rejected){transceiver=pc.transceivers[sdpMLineIndex]||pc._createTransceiver(kind);transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=pc._createIceGatherer(sdpMLineIndex,usingBundle);}
+if(cands.length&&transceiver.iceTransport.state==='new'){if(isComplete&&(!usingBundle||sdpMLineIndex===0)){transceiver.iceTransport.setRemoteCandidates(cands);}else{cands.forEach(function(candidate){maybeAddCandidate(transceiver.iceTransport,candidate);});}}
+localCapabilities=window.RTCRtpReceiver.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=='rtx';});}
+sendEncodingParameters=transceiver.sendEncodingParameters||[{ssrc:(2*sdpMLineIndex+2)*1001}];var isNewTrack=false;if(direction==='sendrecv'||direction==='sendonly'){isNewTrack=!transceiver.rtpReceiver;rtpReceiver=transceiver.rtpReceiver||new window.RTCRtpReceiver(transceiver.dtlsTransport,kind);if(isNewTrack){var stream;track=rtpReceiver.track;if(remoteMsid&&remoteMsid.stream==='-'){}else if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new window.MediaStream();Object.defineProperty(streams[remoteMsid.stream],'id',{get:function(){return remoteMsid.stream;}});}
+Object.defineProperty(track,'id',{get:function(){return remoteMsid.track;}});stream=streams[remoteMsid.stream];}else{if(!streams.default){streams.default=new window.MediaStream();}
+stream=streams.default;}
+if(stream){addTrackToStreamAndFireEvent(track,stream);transceiver.associatedRemoteMediaStreams.push(stream);}
+receiverList.push([track,rtpReceiver,stream]);}}else if(transceiver.rtpReceiver&&transceiver.rtpReceiver.track){transceiver.associatedRemoteMediaStreams.forEach(function(s){var nativeTrack=s.getTracks().find(function(t){return t.id===transceiver.rtpReceiver.track.id;});if(nativeTrack){removeTrackFromStreamAndFireEvent(nativeTrack,s);}});transceiver.associatedRemoteMediaStreams=[];}
+transceiver.localCapabilities=localCapabilities;transceiver.remoteCapabilities=remoteCapabilities;transceiver.rtpReceiver=rtpReceiver;transceiver.rtcpParameters=rtcpParameters;transceiver.sendEncodingParameters=sendEncodingParameters;transceiver.recvEncodingParameters=recvEncodingParameters;pc._transceive(pc.transceivers[sdpMLineIndex],false,isNewTrack);}else if(description.type==='answer'&&!rejected){transceiver=pc.transceivers[sdpMLineIndex];iceGatherer=transceiver.iceGatherer;iceTransport=transceiver.iceTransport;dtlsTransport=transceiver.dtlsTransport;rtpReceiver=transceiver.rtpReceiver;sendEncodingParameters=transceiver.sendEncodingParameters;localCapabilities=transceiver.localCapabilities;pc.transceivers[sdpMLineIndex].recvEncodingParameters=recvEncodingParameters;pc.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities;pc.transceivers[sdpMLineIndex].rtcpParameters=rtcpParameters;if(cands.length&&iceTransport.state==='new'){if((isIceLite||isComplete)&&(!usingBundle||sdpMLineIndex===0)){iceTransport.setRemoteCandidates(cands);}else{cands.forEach(function(candidate){maybeAddCandidate(transceiver.iceTransport,candidate);});}}
+if(!usingBundle||sdpMLineIndex===0){if(iceTransport.state==='new'){iceTransport.start(iceGatherer,remoteIceParameters,'controlling');}
+if(dtlsTransport.state==='new'){dtlsTransport.start(remoteDtlsParameters);}}
+var commonCapabilities=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);var hasRtx=commonCapabilities.codecs.filter(function(c){return c.name.toLowerCase()==='rtx';}).length;if(!hasRtx&&transceiver.sendEncodingParameters[0].rtx){delete transceiver.sendEncodingParameters[0].rtx;}
+pc._transceive(transceiver,direction==='sendrecv'||direction==='recvonly',direction==='sendrecv'||direction==='sendonly');if(rtpReceiver&&(direction==='sendrecv'||direction==='sendonly')){track=rtpReceiver.track;if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new window.MediaStream();}
+addTrackToStreamAndFireEvent(track,streams[remoteMsid.stream]);receiverList.push([track,rtpReceiver,streams[remoteMsid.stream]]);}else{if(!streams.default){streams.default=new window.MediaStream();}
+addTrackToStreamAndFireEvent(track,streams.default);receiverList.push([track,rtpReceiver,streams.default]);}}else{delete transceiver.rtpReceiver;}}});if(pc._dtlsRole===undefined){pc._dtlsRole=description.type==='offer'?'active':'passive';}
+pc._remoteDescription={type:description.type,sdp:description.sdp};if(description.type==='offer'){pc._updateSignalingState('have-remote-offer');}else{pc._updateSignalingState('stable');}
+Object.keys(streams).forEach(function(sid){var stream=streams[sid];if(stream.getTracks().length){if(pc.remoteStreams.indexOf(stream)===-1){pc.remoteStreams.push(stream);var event=new Event('addstream');event.stream=stream;window.setTimeout(function(){pc._dispatchEvent('addstream',event);});}
+receiverList.forEach(function(item){var track=item[0];var receiver=item[1];if(stream.id!==item[2].id){return;}
+fireAddTrack(pc,track,receiver,[stream]);});}});receiverList.forEach(function(item){if(item[2]){return;}
+fireAddTrack(pc,item[0],item[1],[]);});window.setTimeout(function(){if(!(pc&&pc.transceivers)){return;}
+pc.transceivers.forEach(function(transceiver){if(transceiver.iceTransport&&transceiver.iceTransport.state==='new'&&transceiver.iceTransport.getRemoteCandidates().length>0){console.warn('Timeout for addRemoteCandidate. Consider sending '+'an end-of-candidates notification');transceiver.iceTransport.addRemoteCandidate({});}});},4000);return Promise.resolve();};RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport){transceiver.iceTransport.stop();}
+if(transceiver.dtlsTransport){transceiver.dtlsTransport.stop();}
+if(transceiver.rtpSender){transceiver.rtpSender.stop();}
+if(transceiver.rtpReceiver){transceiver.rtpReceiver.stop();}});this._isClosed=true;this._updateSignalingState('closed');};RTCPeerConnection.prototype._updateSignalingState=function(newState){this.signalingState=newState;var event=new Event('signalingstatechange');this._dispatchEvent('signalingstatechange',event);};RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var pc=this;if(this.signalingState!=='stable'||this.needNegotiation===true){return;}
+this.needNegotiation=true;window.setTimeout(function(){if(pc.needNegotiation){pc.needNegotiation=false;var event=new Event('negotiationneeded');pc._dispatchEvent('negotiationneeded',event);}},0);};RTCPeerConnection.prototype._updateIceConnectionState=function(){var newState;var states={'new':0,closed:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport&&!transceiver.rejected){states[transceiver.iceTransport.state]++;}});newState='new';if(states.failed>0){newState='failed';}else if(states.checking>0){newState='checking';}else if(states.disconnected>0){newState='disconnected';}else if(states.new>0){newState='new';}else if(states.connected>0){newState='connected';}else if(states.completed>0){newState='completed';}
+if(newState!==this.iceConnectionState){this.iceConnectionState=newState;var event=new Event('iceconnectionstatechange');this._dispatchEvent('iceconnectionstatechange',event);}};RTCPeerConnection.prototype._updateConnectionState=function(){var newState;var states={'new':0,closed:0,connecting:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport&&transceiver.dtlsTransport&&!transceiver.rejected){states[transceiver.iceTransport.state]++;states[transceiver.dtlsTransport.state]++;}});states.connected+=states.completed;newState='new';if(states.failed>0){newState='failed';}else if(states.connecting>0){newState='connecting';}else if(states.disconnected>0){newState='disconnected';}else if(states.new>0){newState='new';}else if(states.connected>0){newState='connected';}
+if(newState!==this.connectionState){this.connectionState=newState;var event=new Event('connectionstatechange');this._dispatchEvent('connectionstatechange',event);}};RTCPeerConnection.prototype.createOffer=function(){var pc=this;if(pc._isClosed){return Promise.reject(makeError('InvalidStateError','Can not call createOffer after close'));}
+var numAudioTracks=pc.transceivers.filter(function(t){return t.kind==='audio';}).length;var numVideoTracks=pc.transceivers.filter(function(t){return t.kind==='video';}).length;var offerOptions=arguments[0];if(offerOptions){if(offerOptions.mandatory||offerOptions.optional){throw new TypeError('Legacy mandatory/optional constraints not supported.');}
+if(offerOptions.offerToReceiveAudio!==undefined){if(offerOptions.offerToReceiveAudio===true){numAudioTracks=1;}else if(offerOptions.offerToReceiveAudio===false){numAudioTracks=0;}else{numAudioTracks=offerOptions.offerToReceiveAudio;}}
+if(offerOptions.offerToReceiveVideo!==undefined){if(offerOptions.offerToReceiveVideo===true){numVideoTracks=1;}else if(offerOptions.offerToReceiveVideo===false){numVideoTracks=0;}else{numVideoTracks=offerOptions.offerToReceiveVideo;}}}
+pc.transceivers.forEach(function(transceiver){if(transceiver.kind==='audio'){numAudioTracks--;if(numAudioTracks<0){transceiver.wantReceive=false;}}else if(transceiver.kind==='video'){numVideoTracks--;if(numVideoTracks<0){transceiver.wantReceive=false;}}});while(numAudioTracks>0||numVideoTracks>0){if(numAudioTracks>0){pc._createTransceiver('audio');numAudioTracks--;}
+if(numVideoTracks>0){pc._createTransceiver('video');numVideoTracks--;}}
+var sdp=SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,pc._sdpSessionVersion++);pc.transceivers.forEach(function(transceiver,sdpMLineIndex){var track=transceiver.track;var kind=transceiver.kind;var mid=transceiver.mid||SDPUtils.generateIdentifier();transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=pc._createIceGatherer(sdpMLineIndex,pc.usingBundle);}
+var localCapabilities=window.RTCRtpSender.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=='rtx';});}
+localCapabilities.codecs.forEach(function(codec){if(codec.name==='H264'&&codec.parameters['level-asymmetry-allowed']===undefined){codec.parameters['level-asymmetry-allowed']='1';}
+if(transceiver.remoteCapabilities&&transceiver.remoteCapabilities.codecs){transceiver.remoteCapabilities.codecs.forEach(function(remoteCodec){if(codec.name.toLowerCase()===remoteCodec.name.toLowerCase()&&codec.clockRate===remoteCodec.clockRate){codec.preferredPayloadType=remoteCodec.payloadType;}});}});localCapabilities.headerExtensions.forEach(function(hdrExt){var remoteExtensions=transceiver.remoteCapabilities&&transceiver.remoteCapabilities.headerExtensions||[];remoteExtensions.forEach(function(rHdrExt){if(hdrExt.uri===rHdrExt.uri){hdrExt.id=rHdrExt.id;}});});var sendEncodingParameters=transceiver.sendEncodingParameters||[{ssrc:(2*sdpMLineIndex+1)*1001}];if(track){if(edgeVersion>=15019&&kind==='video'&&!sendEncodingParameters[0].rtx){sendEncodingParameters[0].rtx={ssrc:sendEncodingParameters[0].ssrc+1};}}
+if(transceiver.wantReceive){transceiver.rtpReceiver=new window.RTCRtpReceiver(transceiver.dtlsTransport,kind);}
+transceiver.localCapabilities=localCapabilities;transceiver.sendEncodingParameters=sendEncodingParameters;});if(pc._config.bundlePolicy!=='max-compat'){sdp+='a=group:BUNDLE '+pc.transceivers.map(function(t){return t.mid;}).join(' ')+'\r\n';}
+sdp+='a=ice-options:trickle\r\n';pc.transceivers.forEach(function(transceiver,sdpMLineIndex){sdp+=writeMediaSection(transceiver,transceiver.localCapabilities,'offer',transceiver.stream,pc._dtlsRole);sdp+='a=rtcp-rsize\r\n';if(transceiver.iceGatherer&&pc.iceGatheringState!=='new'&&(sdpMLineIndex===0||!pc.usingBundle)){transceiver.iceGatherer.getLocalCandidates().forEach(function(cand){cand.component=1;sdp+='a='+SDPUtils.writeCandidate(cand)+'\r\n';});if(transceiver.iceGatherer.state==='completed'){sdp+='a=end-of-candidates\r\n';}}});var desc=new window.RTCSessionDescription({type:'offer',sdp:sdp});return Promise.resolve(desc);};RTCPeerConnection.prototype.createAnswer=function(){var pc=this;if(pc._isClosed){return Promise.reject(makeError('InvalidStateError','Can not call createAnswer after close'));}
+if(!(pc.signalingState==='have-remote-offer'||pc.signalingState==='have-local-pranswer')){return Promise.reject(makeError('InvalidStateError','Can not call createAnswer in signalingState '+pc.signalingState));}
+var sdp=SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,pc._sdpSessionVersion++);if(pc.usingBundle){sdp+='a=group:BUNDLE '+pc.transceivers.map(function(t){return t.mid;}).join(' ')+'\r\n';}
+sdp+='a=ice-options:trickle\r\n';var mediaSectionsInOffer=SDPUtils.getMediaSections(pc._remoteDescription.sdp).length;pc.transceivers.forEach(function(transceiver,sdpMLineIndex){if(sdpMLineIndex+1>mediaSectionsInOffer){return;}
+if(transceiver.rejected){if(transceiver.kind==='application'){if(transceiver.protocol==='DTLS/SCTP'){sdp+='m=application 0 DTLS/SCTP 5000\r\n';}else{sdp+='m=application 0 '+transceiver.protocol+' webrtc-datachannel\r\n';}}else if(transceiver.kind==='audio'){sdp+='m=audio 0 UDP/TLS/RTP/SAVPF 0\r\n'+'a=rtpmap:0 PCMU/8000\r\n';}else if(transceiver.kind==='video'){sdp+='m=video 0 UDP/TLS/RTP/SAVPF 120\r\n'+'a=rtpmap:120 VP8/90000\r\n';}
+sdp+='c=IN IP4 0.0.0.0\r\n'+'a=inactive\r\n'+'a=mid:'+transceiver.mid+'\r\n';return;}
+if(transceiver.stream){var localTrack;if(transceiver.kind==='audio'){localTrack=transceiver.stream.getAudioTracks()[0];}else if(transceiver.kind==='video'){localTrack=transceiver.stream.getVideoTracks()[0];}
+if(localTrack){if(edgeVersion>=15019&&transceiver.kind==='video'&&!transceiver.sendEncodingParameters[0].rtx){transceiver.sendEncodingParameters[0].rtx={ssrc:transceiver.sendEncodingParameters[0].ssrc+1};}}}
+var commonCapabilities=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);var hasRtx=commonCapabilities.codecs.filter(function(c){return c.name.toLowerCase()==='rtx';}).length;if(!hasRtx&&transceiver.sendEncodingParameters[0].rtx){delete transceiver.sendEncodingParameters[0].rtx;}
+sdp+=writeMediaSection(transceiver,commonCapabilities,'answer',transceiver.stream,pc._dtlsRole);if(transceiver.rtcpParameters&&transceiver.rtcpParameters.reducedSize){sdp+='a=rtcp-rsize\r\n';}});var desc=new window.RTCSessionDescription({type:'answer',sdp:sdp});return Promise.resolve(desc);};RTCPeerConnection.prototype.addIceCandidate=function(candidate){var pc=this;var sections;if(candidate&&!(candidate.sdpMLineIndex!==undefined||candidate.sdpMid)){return Promise.reject(new TypeError('sdpMLineIndex or sdpMid required'));}
+return new Promise(function(resolve,reject){if(!pc._remoteDescription){return reject(makeError('InvalidStateError','Can not add ICE candidate without a remote description'));}else if(!candidate||candidate.candidate===''){for(var j=0;j0?SDPUtils.parseCandidate(candidate.candidate):{};if(cand.protocol==='tcp'&&(cand.port===0||cand.port===9)){return resolve();}
+if(cand.component&&cand.component!==1){return resolve();}
+if(sdpMLineIndex===0||(sdpMLineIndex>0&&transceiver.iceTransport!==pc.transceivers[0].iceTransport)){if(!maybeAddCandidate(transceiver.iceTransport,cand)){return reject(makeError('OperationError','Can not add ICE candidate'));}}
+var candidateString=candidate.candidate.trim();if(candidateString.indexOf('a=')===0){candidateString=candidateString.substr(2);}
+sections=SDPUtils.getMediaSections(pc._remoteDescription.sdp);sections[sdpMLineIndex]+='a='+
+(cand.type?candidateString:'end-of-candidates')
++'\r\n';pc._remoteDescription.sdp=SDPUtils.getDescription(pc._remoteDescription.sdp)+
+sections.join('');}else{return reject(makeError('OperationError','Can not add ICE candidate'));}}
+resolve();});};RTCPeerConnection.prototype.getStats=function(selector){if(selector&&selector instanceof window.MediaStreamTrack){var senderOrReceiver=null;this.transceivers.forEach(function(transceiver){if(transceiver.rtpSender&&transceiver.rtpSender.track===selector){senderOrReceiver=transceiver.rtpSender;}else if(transceiver.rtpReceiver&&transceiver.rtpReceiver.track===selector){senderOrReceiver=transceiver.rtpReceiver;}});if(!senderOrReceiver){throw makeError('InvalidAccessError','Invalid selector.');}
+return senderOrReceiver.getStats();}
+var promises=[];this.transceivers.forEach(function(transceiver){['rtpSender','rtpReceiver','iceGatherer','iceTransport','dtlsTransport'].forEach(function(method){if(transceiver[method]){promises.push(transceiver[method].getStats());}});});return Promise.all(promises).then(function(allStats){var results=new Map();allStats.forEach(function(stats){stats.forEach(function(stat){results.set(stat.id,stat);});});return results;});};var ortcObjects=['RTCRtpSender','RTCRtpReceiver','RTCIceGatherer','RTCIceTransport','RTCDtlsTransport'];ortcObjects.forEach(function(ortcObjectName){var obj=window[ortcObjectName];if(obj&&obj.prototype&&obj.prototype.getStats){var nativeGetstats=obj.prototype.getStats;obj.prototype.getStats=function(){return nativeGetstats.apply(this).then(function(nativeStats){var mapStats=new Map();Object.keys(nativeStats).forEach(function(id){nativeStats[id].type=fixStatsType(nativeStats[id]);mapStats.set(id,nativeStats[id]);});return mapStats;});};}});var methods=['createOffer','createAnswer'];methods.forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[0]==='function'||typeof args[1]==='function'){return nativeMethod.apply(this,[arguments[2]]).then(function(description){if(typeof args[0]==='function'){args[0].apply(null,[description]);}},function(error){if(typeof args[1]==='function'){args[1].apply(null,[error]);}});}
+return nativeMethod.apply(this,arguments);};});methods=['setLocalDescription','setRemoteDescription','addIceCandidate'];methods.forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[1]==='function'||typeof args[2]==='function'){return nativeMethod.apply(this,arguments).then(function(){if(typeof args[1]==='function'){args[1].apply(null);}},function(error){if(typeof args[2]==='function'){args[2].apply(null,[error]);}});}
+return nativeMethod.apply(this,arguments);};});['getStats'].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[1]==='function'){return nativeMethod.apply(this,arguments).then(function(){if(typeof args[1]==='function'){args[1].apply(null);}});}
+return nativeMethod.apply(this,arguments);};});return RTCPeerConnection;};},{"sdp":17}],17:[function(require,module,exports){'use strict';var SDPUtils={};SDPUtils.generateIdentifier=function(){return Math.random().toString(36).substr(2,10);};SDPUtils.localCName=SDPUtils.generateIdentifier();SDPUtils.splitLines=function(blob){return blob.trim().split('\n').map(function(line){return line.trim();});};SDPUtils.splitSections=function(blob){var parts=blob.split('\nm=');return parts.map(function(part,index){return(index>0?'m='+part:part).trim()+'\r\n';});};SDPUtils.getDescription=function(blob){var sections=SDPUtils.splitSections(blob);return sections&§ions[0];};SDPUtils.getMediaSections=function(blob){var sections=SDPUtils.splitSections(blob);sections.shift();return sections;};SDPUtils.matchPrefix=function(blob,prefix){return SDPUtils.splitLines(blob).filter(function(line){return line.indexOf(prefix)===0;});};SDPUtils.parseCandidate=function(line){var parts;if(line.indexOf('a=candidate:')===0){parts=line.substring(12).split(' ');}else{parts=line.substring(10).split(' ');}
+var candidate={foundation:parts[0],component:parseInt(parts[1],10),protocol:parts[2].toLowerCase(),priority:parseInt(parts[3],10),ip:parts[4],address:parts[4],port:parseInt(parts[5],10),type:parts[7]};for(var i=8;i0?parts[0].split('/')[1]:'sendrecv',uri:parts[1]};};SDPUtils.writeExtmap=function(headerExtension){return'a=extmap:'+(headerExtension.id||headerExtension.preferredId)+
+(headerExtension.direction&&headerExtension.direction!=='sendrecv'?'/'+headerExtension.direction:'')+' '+headerExtension.uri+'\r\n';};SDPUtils.parseFmtp=function(line){var parsed={};var kv;var parts=line.substr(line.indexOf(' ')+1).split(';');for(var j=0;j-1){parts.attribute=line.substr(sp+1,colon-sp-1);parts.value=line.substr(colon+1);}else{parts.attribute=line.substr(sp+1);}
+return parts;};SDPUtils.parseSsrcGroup=function(line){var parts=line.substr(13).split(' ');return{semantics:parts.shift(),ssrcs:parts.map(function(ssrc){return parseInt(ssrc,10);})};};SDPUtils.getMid=function(mediaSection){var mid=SDPUtils.matchPrefix(mediaSection,'a=mid:')[0];if(mid){return mid.substr(6);}};SDPUtils.parseFingerprint=function(line){var parts=line.substr(14).split(' ');return{algorithm:parts[0].toLowerCase(),value:parts[1]};};SDPUtils.getDtlsParameters=function(mediaSection,sessionpart){var lines=SDPUtils.matchPrefix(mediaSection+sessionpart,'a=fingerprint:');return{role:'auto',fingerprints:lines.map(SDPUtils.parseFingerprint)};};SDPUtils.writeDtlsParameters=function(params,setupType){var sdp='a=setup:'+setupType+'\r\n';params.fingerprints.forEach(function(fp){sdp+='a=fingerprint:'+fp.algorithm+' '+fp.value+'\r\n';});return sdp;};SDPUtils.getIceParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);lines=lines.concat(SDPUtils.splitLines(sessionpart));var iceParameters={usernameFragment:lines.filter(function(line){return line.indexOf('a=ice-ufrag:')===0;})[0].substr(12),password:lines.filter(function(line){return line.indexOf('a=ice-pwd:')===0;})[0].substr(10)};return iceParameters;};SDPUtils.writeIceParameters=function(params){return'a=ice-ufrag:'+params.usernameFragment+'\r\n'+'a=ice-pwd:'+params.password+'\r\n';};SDPUtils.parseRtpParameters=function(mediaSection){var description={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]};var lines=SDPUtils.splitLines(mediaSection);var mline=lines[0].split(' ');for(var i=3;i0?'9':'0';sdp+=' UDP/TLS/RTP/SAVPF ';sdp+=caps.codecs.map(function(codec){if(codec.preferredPayloadType!==undefined){return codec.preferredPayloadType;}
+return codec.payloadType;}).join(' ')+'\r\n';sdp+='c=IN IP4 0.0.0.0\r\n';sdp+='a=rtcp:9 IN IP4 0.0.0.0\r\n';caps.codecs.forEach(function(codec){sdp+=SDPUtils.writeRtpMap(codec);sdp+=SDPUtils.writeFmtp(codec);sdp+=SDPUtils.writeRtcpFb(codec);});var maxptime=0;caps.codecs.forEach(function(codec){if(codec.maxptime>maxptime){maxptime=codec.maxptime;}});if(maxptime>0){sdp+='a=maxptime:'+maxptime+'\r\n';}
+sdp+='a=rtcp-mux\r\n';if(caps.headerExtensions){caps.headerExtensions.forEach(function(extension){sdp+=SDPUtils.writeExtmap(extension);});}
+return sdp;};SDPUtils.parseRtpEncodingParameters=function(mediaSection){var encodingParameters=[];var description=SDPUtils.parseRtpParameters(mediaSection);var hasRed=description.fecMechanisms.indexOf('RED')!==-1;var hasUlpfec=description.fecMechanisms.indexOf('ULPFEC')!==-1;var ssrcs=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(parts){return parts.attribute==='cname';});var primarySsrc=ssrcs.length>0&&ssrcs[0].ssrc;var secondarySsrc;var flows=SDPUtils.matchPrefix(mediaSection,'a=ssrc-group:FID').map(function(line){var parts=line.substr(17).split(' ');return parts.map(function(part){return parseInt(part,10);});});if(flows.length>0&&flows[0].length>1&&flows[0][0]===primarySsrc){secondarySsrc=flows[0][1];}
+description.codecs.forEach(function(codec){if(codec.name.toUpperCase()==='RTX'&&codec.parameters.apt){var encParam={ssrc:primarySsrc,codecPayloadType:parseInt(codec.parameters.apt,10)};if(primarySsrc&&secondarySsrc){encParam.rtx={ssrc:secondarySsrc};}
+encodingParameters.push(encParam);if(hasRed){encParam=JSON.parse(JSON.stringify(encParam));encParam.fec={ssrc:primarySsrc,mechanism:hasUlpfec?'red+ulpfec':'red'};encodingParameters.push(encParam);}}});if(encodingParameters.length===0&&primarySsrc){encodingParameters.push({ssrc:primarySsrc});}
+var bandwidth=SDPUtils.matchPrefix(mediaSection,'b=');if(bandwidth.length){if(bandwidth[0].indexOf('b=TIAS:')===0){bandwidth=parseInt(bandwidth[0].substr(7),10);}else if(bandwidth[0].indexOf('b=AS:')===0){bandwidth=parseInt(bandwidth[0].substr(5),10)*1000*0.95
+-(50*40*8);}else{bandwidth=undefined;}
+encodingParameters.forEach(function(params){params.maxBitrate=bandwidth;});}
+return encodingParameters;};SDPUtils.parseRtcpParameters=function(mediaSection){var rtcpParameters={};var remoteSsrc=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(obj){return obj.attribute==='cname';})[0];if(remoteSsrc){rtcpParameters.cname=remoteSsrc.value;rtcpParameters.ssrc=remoteSsrc.ssrc;}
+var rsize=SDPUtils.matchPrefix(mediaSection,'a=rtcp-rsize');rtcpParameters.reducedSize=rsize.length>0;rtcpParameters.compound=rsize.length===0;var mux=SDPUtils.matchPrefix(mediaSection,'a=rtcp-mux');rtcpParameters.mux=mux.length>0;return rtcpParameters;};SDPUtils.parseMsid=function(mediaSection){var parts;var spec=SDPUtils.matchPrefix(mediaSection,'a=msid:');if(spec.length===1){parts=spec[0].substr(7).split(' ');return{stream:parts[0],track:parts[1]};}
+var planB=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(msidParts){return msidParts.attribute==='msid';});if(planB.length>0){parts=planB[0].value.split(' ');return{stream:parts[0],track:parts[1]};}};SDPUtils.generateSessionId=function(){return Math.random().toString().substr(2,21);};SDPUtils.writeSessionBoilerplate=function(sessId,sessVer,sessUser){var sessionId;var version=sessVer!==undefined?sessVer:2;if(sessId){sessionId=sessId;}else{sessionId=SDPUtils.generateSessionId();}
+var user=sessUser||'thisisadapterortc';return'v=0\r\n'+'o='+user+' '+sessionId+' '+version+' IN IP4 127.0.0.1\r\n'+'s=-\r\n'+'t=0 0\r\n';};SDPUtils.writeMediaSection=function(transceiver,caps,type,stream){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters());sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),type==='offer'?'actpass':'active');sdp+='a=mid:'+transceiver.mid+'\r\n';if(transceiver.direction){sdp+='a='+transceiver.direction+'\r\n';}else if(transceiver.rtpSender&&transceiver.rtpReceiver){sdp+='a=sendrecv\r\n';}else if(transceiver.rtpSender){sdp+='a=sendonly\r\n';}else if(transceiver.rtpReceiver){sdp+='a=recvonly\r\n';}else{sdp+='a=inactive\r\n';}
+if(transceiver.rtpSender){var msid='msid:'+stream.id+' '+
+transceiver.rtpSender.track.id+'\r\n';sdp+='a='+msid;sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' '+msid;if(transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' '+msid;sdp+='a=ssrc-group:FID '+
+transceiver.sendEncodingParameters[0].ssrc+' '+
+transceiver.sendEncodingParameters[0].rtx.ssrc+'\r\n';}}
+sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' cname:'+SDPUtils.localCName+'\r\n';if(transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' cname:'+SDPUtils.localCName+'\r\n';}
+return sdp;};SDPUtils.getDirection=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);for(var i=0;i
- *
- * Version: MPL 1.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
- *
- * The Initial Developer of the Original Code is
- * Anthony Minessale II
- * Portions created by the Initial Developer are Copyright (C)
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Anthony Minessale II
- *
- * jquery.FSRTC.js - WebRTC Glue code
- *
- */
-(function($) {
-
- // Find the line in sdpLines that starts with |prefix|, and, if specified,
- // contains |substr| (case-insensitive search).
- function findLine(sdpLines, prefix, substr) {
- return findLineInRange(sdpLines, 0, -1, prefix, substr);
- }
-
- // Find the line in sdpLines[startLine...endLine - 1] that starts with |prefix|
- // and, if specified, contains |substr| (case-insensitive search).
- function findLineInRange(sdpLines, startLine, endLine, prefix, substr) {
- var realEndLine = (endLine != -1) ? endLine : sdpLines.length;
- for (var i = startLine; i < realEndLine; ++i) {
- if (sdpLines[i].indexOf(prefix) === 0) {
- if (!substr || sdpLines[i].toLowerCase().indexOf(substr.toLowerCase()) !== -1) {
- return i;
- }
- }
- }
- return null;
- }
-
- // Gets the codec payload type from an a=rtpmap:X line.
- function getCodecPayloadType(sdpLine) {
- var pattern = new RegExp('a=rtpmap:(\\d+) \\w+\\/\\d+');
- var result = sdpLine.match(pattern);
- return (result && result.length == 2) ? result[1] : null;
- }
-
- // Returns a new m= line with the specified codec as the first one.
- function setDefaultCodec(mLine, payload) {
- var elements = mLine.split(' ');
- var newLine = [];
- var index = 0;
- for (var i = 0; i < elements.length; i++) {
- if (index === 3) { // Format of media starts from the fourth.
- newLine[index++] = payload; // Put target payload to the first.
- }
- if (elements[i] !== payload) newLine[index++] = elements[i];
- }
- return newLine.join(' ');
- }
-
- $.FSRTC = function(options) {
- this.options = $.extend({
- useVideo: null,
- useStereo: false,
- userData: null,
- localVideo: null,
- screenShare: false,
- useCamera: "any",
- iceServers: false,
- videoParams: {},
- audioParams: {},
- callbacks: {
- onICEComplete: function() {},
- onICE: function() {},
- onOfferSDP: function() {}
- },
- useStream: null,
- }, options);
-
- this.audioEnabled = true;
- this.videoEnabled = true;
-
-
- this.mediaData = {
- SDP: null,
- profile: {},
- candidateList: []
- };
-
- this.constraints = {
- offerToReceiveAudio: this.options.useSpeak === "none" ? false : true,
- offerToReceiveVideo: this.options.useVideo ? true : false,
- };
-
- if (self.options.useVideo) {
- self.options.useVideo.style.display = 'none';
- }
-
- setCompat();
- checkCompat();
- };
-
- $.FSRTC.validRes = [];
-
- $.FSRTC.prototype.useVideo = function(obj, local) {
- var self = this;
-
- if (obj) {
- self.options.useVideo = obj;
- self.options.localVideo = local;
- self.constraints.offerToReceiveVideo = true;
- } else {
- self.options.useVideo = null;
- self.options.localVideo = null;
- self.constraints.offerToReceiveVideo = false;
- }
-
- if (self.options.useVideo) {
- self.options.useVideo.style.display = 'none';
- }
- };
-
- $.FSRTC.prototype.useStereo = function(on) {
- var self = this;
- self.options.useStereo = on;
- };
-
- // Sets Opus in stereo if stereo is enabled, by adding the stereo=1 fmtp param.
- $.FSRTC.prototype.stereoHack = function(sdp) {
- var self = this;
-
- if (!self.options.useStereo) {
- return sdp;
- }
-
- var sdpLines = sdp.split('\r\n');
-
- // Find opus payload.
- var opusIndex = findLine(sdpLines, 'a=rtpmap', 'opus/48000'), opusPayload;
-
- if (!opusIndex) {
- return sdp;
- } else {
- opusPayload = getCodecPayloadType(sdpLines[opusIndex]);
- }
-
- // Find the payload in fmtp line.
- var fmtpLineIndex = findLine(sdpLines, 'a=fmtp:' + opusPayload.toString());
-
- if (fmtpLineIndex === null) {
- // create an fmtp line
- sdpLines[opusIndex] = sdpLines[opusIndex] + '\r\na=fmtp:' + opusPayload.toString() + " stereo=1; sprop-stereo=1"
- } else {
- // Append stereo=1 to fmtp line.
- sdpLines[fmtpLineIndex] = sdpLines[fmtpLineIndex].concat('; stereo=1; sprop-stereo=1');
- }
-
- sdp = sdpLines.join('\r\n');
- return sdp;
- };
-
- function setCompat() {
- }
-
- function checkCompat() {
- return true;
- }
-
- function onStreamError(self, e) {
- console.log('There has been a problem retrieving the streams - did you allow access? Check Device Resolution', e);
- doCallback(self, "onError", e);
- }
-
- function onStreamSuccess(self, stream) {
- console.log("Stream Success");
- doCallback(self, "onStream", stream);
- }
-
- function onRemoteStreamSuccess(self, stream) {
- console.log("Remote Stream Success");
- doCallback(self, "onRemoteStream", stream);
- }
-
- function onICE(self, candidate) {
- self.mediaData.candidate = candidate;
- self.mediaData.candidateList.push(self.mediaData.candidate);
-
- doCallback(self, "onICE");
- }
-
- function doCallback(self, func, arg) {
- if (func in self.options.callbacks) {
- self.options.callbacks[func](self, arg);
- }
- }
-
- function onICEComplete(self, candidate) {
- console.log("ICE Complete");
- doCallback(self, "onICEComplete");
- }
-
- function onChannelError(self, e) {
- console.error("Channel Error", e);
- doCallback(self, "onError", e);
- }
-
- function onICESDP(self, sdp) {
- self.mediaData.SDP = self.stereoHack(sdp.sdp);
- console.log("ICE SDP");
- doCallback(self, "onICESDP");
- }
-
- function onAnswerSDP(self, sdp) {
- self.answer.SDP = self.stereoHack(sdp.sdp);
- console.log("ICE ANSWER SDP");
- doCallback(self, "onAnswerSDP", self.answer.SDP);
- }
-
- function onMessage(self, msg) {
- console.log("Message");
- doCallback(self, "onICESDP", msg);
- }
-
- FSRTCattachMediaStream = function(element, stream) {
- if (typeof element.srcObject !== 'undefined') {
- element.srcObject = stream;
- } else {
- console.error('Error attaching stream to element.');
- }
- }
-
- function onRemoteStream(self, stream) {
- if (self.options.useVideo) {
- self.options.useVideo.style.display = 'block';
-
- // Hacks for Mobile Safari
- var iOS = ['iPad', 'iPhone', 'iPod'].indexOf(navigator.platform) >= 0;
-
- if (iOS) {
- self.options.useVideo.setAttribute("playsinline", true);
- }
- }
-
- var element = self.options.useAudio;
- console.log("REMOTE STREAM", stream, element);
-
- FSRTCattachMediaStream(element, stream);
-
-
-
- //self.options.useAudio.play();
- self.remoteStream = stream;
- onRemoteStreamSuccess(self, stream);
- }
-
- function onOfferSDP(self, sdp) {
- self.mediaData.SDP = self.stereoHack(sdp.sdp);
- console.log("Offer SDP");
- doCallback(self, "onOfferSDP");
- }
-
- $.FSRTC.prototype.answer = function(sdp, onSuccess, onError) {
- this.peer.addAnswerSDP({
- type: "answer",
- sdp: sdp
- },
- onSuccess, onError);
- };
-
- $.FSRTC.prototype.stopPeer = function() {
- if (self.peer) {
- console.log("stopping peer");
- self.peer.stop();
- }
- }
-
- $.FSRTC.prototype.stop = function() {
- var self = this;
-
- if (self.options.useVideo) {
- self.options.useVideo.style.display = 'none';
- self.options.useVideo['src'] = '';
- }
-
- if (self.localStream && !self.options.useStream) {
- if(typeof self.localStream.stop == 'function') {
- self.localStream.stop();
- } else {
- if (self.localStream.active){
- var tracks = self.localStream.getTracks();
- console.log(tracks);
- tracks.forEach(function(track, index){
- console.log(track);
- track.stop();
- })
- }
- }
- self.localStream = null;
- }
-
- if (self.options.localVideo) {
- deactivateLocalVideo(self.options.localVideo);
- }
-
- if (self.options.localVideoStream && !self.options.useStream) {
- if(typeof self.options.localVideoStream.stop == 'function') {
- self.options.localVideoStream.stop();
- } else {
- if (self.options.localVideoStream.active){
- var tracks = self.options.localVideoStream.getTracks();
- console.log(tracks);
- tracks.forEach(function(track, index){
- console.log(track);
- track.stop();
- })
- }
- }
- }
-
- if (self.peer) {
- console.log("stopping peer");
- self.peer.stop();
- }
- };
-
- $.FSRTC.prototype.getMute = function() {
- var self = this;
- return self.audioEnabled;
- }
-
- $.FSRTC.prototype.setMute = function(what) {
- var self = this;
- if (!self.localStream) {
- return false;
- }
- var audioTracks = self.localStream.getAudioTracks();
-
- for (var i = 0, len = audioTracks.length; i < len; i++ ) {
- switch(what) {
- case "on":
- audioTracks[i].enabled = true;
- break;
- case "off":
- audioTracks[i].enabled = false;
- break;
- case "toggle":
- audioTracks[i].enabled = !audioTracks[i].enabled;
- default:
- break;
- }
-
- self.audioEnabled = audioTracks[i].enabled;
- }
-
- return !self.audioEnabled;
- }
-
- $.FSRTC.prototype.getVideoMute = function() {
- var self = this;
- return self.videoEnabled;
- }
-
- $.FSRTC.prototype.setVideoMute = function(what) {
- var self = this;
- if (!self.localStream) {
- return false;
- }
- var videoTracks = self.localStream.getVideoTracks();
-
- for (var i = 0, len = videoTracks.length; i < len; i++ ) {
- switch(what) {
- case "on":
- videoTracks[i].enabled = true;
- break;
- case "off":
- videoTracks[i].enabled = false;
- break;
- case "toggle":
- videoTracks[i].enabled = !videoTracks[i].enabled;
- default:
- break;
- }
-
- self.videoEnabled = videoTracks[i].enabled;
- }
-
- return !self.videoEnabled;
- }
-
- $.FSRTC.prototype.createAnswer = function(params) {
- var self = this;
- self.type = "answer";
- self.remoteSDP = params.sdp;
- console.debug("inbound sdp: ", params.sdp);
-
- function onSuccess(stream) {
- self.localStream = stream;
-
- self.peer = FSRTCPeerConnection({
- type: self.type,
- attachStream: self.localStream,
- onICE: function(candidate) {
- return onICE(self, candidate);
- },
- onICEComplete: function() {
- return onICEComplete(self);
- },
- onRemoteStream: function(stream) {
- return onRemoteStream(self, stream);
- },
- onICESDP: function(sdp) {
- return onICESDP(self, sdp);
- },
- onChannelError: function(e) {
- return onChannelError(self, e);
- },
- constraints: self.constraints,
- iceServers: self.options.iceServers,
- offerSDP: {
- type: "offer",
- sdp: self.remoteSDP
- },
- turnServer: self.options.turnServer
- });
-
- onStreamSuccess(self, stream);
- }
-
- function onError(e) {
- onStreamError(self, e);
- }
-
- var mediaParams = getMediaParams(self);
-
- console.log("Audio constraints", mediaParams.audio);
- console.log("Video constraints", mediaParams.video);
-
- if (self.options.useVideo && self.options.localVideo && !self.options.useStream) {
- getUserMedia({
- constraints: {
- audio: false,
- video: { deviceId: params.useCamera },
- },
- localVideo: self.options.localVideo,
- onsuccess: function(e) {self.options.localVideoStream = e; console.log("local video ready");},
- onerror: function(e) {console.error("local video error!");}
- });
- }
-
- if (self.options.useStream) {
- if (self.options.useVideo) {
- self.options.localVideoStream = self.options.useStream;
- if (self.options.localVideo) {
- activateLocalVideo(self.options.localVideo, self.options.useStream);
- }
- }
- onSuccess(self.options.useStream);
- }
- else {
- getUserMedia({
- constraints: {
- audio: mediaParams.audio,
- video: mediaParams.video
- },
- video: mediaParams.useVideo,
- onsuccess: onSuccess,
- onerror: onError
- });
- }
-
- };
-
- function getMediaParams(obj) {
-
- var audio;
-
- if (obj.options.useMic && obj.options.useMic === "none") {
- console.log("Microphone Disabled");
- audio = false;
- } else if (obj.options.videoParams && obj.options.screenShare) {//obj.options.videoParams.chromeMediaSource == 'desktop') {
- console.error("SCREEN SHARE", obj.options.videoParams);
- audio = false;
- } else {
- audio = {
- };
-
- if (obj.options.audioParams) {
- audio = obj.options.audioParams;
- }
-
- if (obj.options.useMic !== "any") {
- //audio.optional = [{sourceId: obj.options.useMic}];
- audio.deviceId = {exact: obj.options.useMic};
- }
- }
-
- if (obj.options.useVideo && obj.options.localVideo && !obj.options.useStream) {
- getUserMedia({
- constraints: {
- audio: false,
- video: { deviceId: obj.options.useCamera },
- },
- localVideo: obj.options.localVideo,
- onsuccess: function(e) {obj.options.localVideoStream = e; console.log("local video ready");},
- onerror: function(e) {console.error("local video error!");}
- });
- }
-
- var video = {};
- var bestFrameRate = obj.options.videoParams.vertoBestFrameRate;
- var minFrameRate = obj.options.videoParams.minFrameRate || 15;
- delete obj.options.videoParams.vertoBestFrameRate;
-
- if (obj.options.screenShare) {
- if (!obj.options.useCamera && !!navigator.mozGetUserMedia) {
- //This is an issue, only FireFox needs to ask this additional question if its screen or window we need a better way
- var dowin = window.confirm("Do you want to share an application window? If not you can share an entire screen.");
-
- video = {
- width: {min: obj.options.videoParams.minWidth, max: obj.options.videoParams.maxWidth},
- height: {min: obj.options.videoParams.minHeight, max: obj.options.videoParams.maxHeight},
- mediaSource: dowin ? "window" : "screen"
- }
- } else {
- var opt = [];
- if (obj.options.useCamera) {
- opt.push({sourceId: obj.options.useCamera});
- }
-
- if (bestFrameRate) {
- opt.push({minFrameRate: bestFrameRate});
- opt.push({maxFrameRate: bestFrameRate});
- }
-
- video = {
- mandatory: obj.options.videoParams,
- optional: opt
- };
- // NOTE: This is a workaround for
- // https://bugs.chromium.org/p/chromium/issues/detail?id=862325
- if (!!navigator.userAgent.match(/Android/i)) {
- delete video.frameRate.min;
- }
- }
- } else {
-
- video = {
- //mandatory: obj.options.videoParams,
- width: {min: obj.options.videoParams.minWidth, max: obj.options.videoParams.maxWidth},
- height: {min: obj.options.videoParams.minHeight, max: obj.options.videoParams.maxHeight}
- };
-
-
-
- var useVideo = obj.options.useVideo;
-
- if (useVideo && obj.options.useCamera && obj.options.useCamera !== "none") {
- //if (!video.optional) {
- //video.optional = [];
- //}
-
-
- if (obj.options.useCamera !== "any") {
- //video.optional.push({sourceId: obj.options.useCamera});
- video.deviceId = {
- exact: obj.options.useCamera,
- };
- }
-
- if (bestFrameRate) {
- //video.optional.push({minFrameRate: bestFrameRate});
- //video.optional.push({maxFrameRate: bestFrameRate});
- video.frameRate = {ideal: bestFrameRate, min: minFrameRate, max: 30};
- }
-
- } else {
- console.log("Camera Disabled");
- video = false;
- useVideo = false;
- }
- }
-
- return {audio: audio, video: video, useVideo: useVideo};
- }
-
- $.FSRTC.prototype.call = function(profile) {
- checkCompat();
-
- var self = this;
- var screen = false;
-
- self.type = "offer";
-
- if (self.options.videoParams && self.options.screenShare) { //self.options.videoParams.chromeMediaSource == 'desktop') {
- screen = true;
- }
-
- function onSuccess(stream) {
- self.localStream = stream;
-
- if (screen) {
- self.constraints.offerToReceiveVideo = false;
- self.constraints.offerToReceiveAudio = false;
- self.constraints.offerToSendAudio = false;
- }
-
- self.peer = FSRTCPeerConnection({
- type: self.type,
- attachStream: self.localStream,
- onICE: function(candidate) {
- return onICE(self, candidate);
- },
- onICEComplete: function() {
- return onICEComplete(self);
- },
- onRemoteStream: screen ? function(stream) {} : function(stream) {
- return onRemoteStream(self, stream);
- },
- onOfferSDP: function(sdp) {
- return onOfferSDP(self, sdp);
- },
- onICESDP: function(sdp) {
- return onICESDP(self, sdp);
- },
- onChannelError: function(e) {
- return onChannelError(self, e);
- },
- constraints: self.constraints,
- iceServers: self.options.iceServers,
- turnServer: self.options.turnServer
- });
-
- onStreamSuccess(self, stream);
- }
-
- function onError(e) {
- onStreamError(self, e);
- }
-
- var mediaParams = getMediaParams(self);
-
- console.log("Audio constraints", mediaParams.audio);
- console.log("Video constraints", mediaParams.video);
-
- if (self.options.useStream) {
- if (self.options.useVideo) {
- self.options.localVideoStream = self.options.useStream;
- if (self.options.localVideo) {
- activateLocalVideo(self.options.localVideo, self.options.useStream);
- }
- }
- onSuccess(self.options.useStream);
- }
- else if (mediaParams.audio || mediaParams.video) {
-
- getUserMedia({
- constraints: {
- audio: mediaParams.audio,
- video: mediaParams.video
- },
- video: mediaParams.useVideo,
- onsuccess: onSuccess,
- onerror: onError
- });
-
- } else {
- onSuccess(null);
- }
-
-
-
- /*
- navigator.getUserMedia({
- video: self.options.useVideo,
- audio: true
- }, onSuccess, onError);
- */
-
- };
-
- // DERIVED from RTCPeerConnection-v1.5
- // 2013, @muazkh - github.com/muaz-khan
- // MIT License - https://www.webrtc-experiment.com/licence/
- // Documentation - https://github.com/muaz-khan/WebRTC-Experiment/tree/master/RTCPeerConnection
-
- function FSRTCPeerConnection(options) {
- var gathering = false, done = false;
- var config = {};
- var default_ice = [{ urls: ['stun:stun.l.google.com:19302'] }];
-
- if (self.options.turnServer) {
- default_ice.push(self.options.turnServer)
- }
-
- if (options.iceServers) {
- if (typeof(options.iceServers) === "boolean") {
- config.iceServers = default_ice;
- } else {
- config.iceServers = options.iceServers;
- }
- }
-
- config.bundlePolicy = "max-compat";
-
- var peer = new window.RTCPeerConnection(config);
-
- openOffererChannel();
- var x = 0;
-
- function ice_handler() {
-
- done = true;
- gathering = null;
-
- if (options.onICEComplete) {
- options.onICEComplete();
- }
-
- if (options.type == "offer") {
- options.onICESDP(peer.localDescription);
- } else {
- if (!x && options.onICESDP) {
- options.onICESDP(peer.localDescription);
- }
- }
- }
-
- peer.onicecandidate = function(event) {
-
- if (done) {
- return;
- }
-
- if (!gathering) {
- gathering = setTimeout(ice_handler, 1000);
- }
-
- if (event) {
- if (event.candidate) {
- options.onICE(event.candidate);
- }
- } else {
- done = true;
-
- if (gathering) {
- clearTimeout(gathering);
- gathering = null;
- }
-
- ice_handler();
- }
- };
-
- // attachStream = MediaStream;
- if (options.attachStream) peer.addStream(options.attachStream);
-
- // attachStreams[0] = audio-stream;
- // attachStreams[1] = video-stream;
- // attachStreams[2] = screen-capturing-stream;
- if (options.attachStreams && options.attachStream.length) {
- var streams = options.attachStreams;
- for (var i = 0; i < streams.length; i++) {
- peer.addStream(streams[i]);
- }
- }
-
- peer.onaddstream = function(event) {
- var remoteMediaStream = event.stream;
-
- // onRemoteStreamEnded(MediaStream)
- remoteMediaStream.oninactive = function () {
- if (options.onRemoteStreamEnded) options.onRemoteStreamEnded(remoteMediaStream);
- };
-
- // onRemoteStream(MediaStream)
- if (options.onRemoteStream) options.onRemoteStream(remoteMediaStream);
-
- //console.debug('on:add:stream', remoteMediaStream);
- };
-
- //var constraints = options.constraints || {
- // offerToReceiveAudio: true,
- //offerToReceiveVideo: true
- //};
-
- // onOfferSDP(RTCSessionDescription)
- function createOffer() {
- if (!options.onOfferSDP) return;
-
- peer.createOffer(function(sessionDescription) {
- sessionDescription.sdp = serializeSdp(sessionDescription.sdp);
- peer.setLocalDescription(sessionDescription);
- options.onOfferSDP(sessionDescription);
- },
- onSdpError, options.constraints);
- }
-
- // onAnswerSDP(RTCSessionDescription)
- function createAnswer() {
- if (options.type != "answer") return;
-
- //options.offerSDP.sdp = addStereo(options.offerSDP.sdp);
- peer.setRemoteDescription(new window.RTCSessionDescription(options.offerSDP), onSdpSuccess, onSdpError);
- peer.createAnswer(function(sessionDescription) {
- sessionDescription.sdp = serializeSdp(sessionDescription.sdp);
- peer.setLocalDescription(sessionDescription);
- if (options.onAnswerSDP) {
- options.onAnswerSDP(sessionDescription);
- }
- },
- onSdpError);
- }
-
-
- if ((options.onChannelMessage) || !options.onChannelMessage) {
- createOffer();
- createAnswer();
- }
-
- // DataChannel Bandwidth
- function setBandwidth(sdp) {
- // remove existing bandwidth lines
- sdp = sdp.replace(/b=AS([^\r\n]+\r\n)/g, '');
- sdp = sdp.replace(/a=mid:data\r\n/g, 'a=mid:data\r\nb=AS:1638400\r\n');
-
- return sdp;
- }
-
- // old: FF<>Chrome interoperability management
- function getInteropSDP(sdp) {
- var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.split(''),
- extractedChars = '';
-
- function getChars() {
- extractedChars += chars[parseInt(Math.random() * 40)] || '';
- if (extractedChars.length < 40) getChars();
-
- return extractedChars;
- }
-
- // usually audio-only streaming failure occurs out of audio-specific crypto line
- // a=crypto:1 AES_CM_128_HMAC_SHA1_32 --------- kAttributeCryptoVoice
- if (options.onAnswerSDP) sdp = sdp.replace(/(a=crypto:0 AES_CM_128_HMAC_SHA1_32)(.*?)(\r\n)/g, '');
-
- // video-specific crypto line i.e. SHA1_80
- // a=crypto:1 AES_CM_128_HMAC_SHA1_80 --------- kAttributeCryptoVideo
- var inline = getChars() + '\r\n' + (extractedChars = '');
- sdp = sdp.indexOf('a=crypto') == -1 ? sdp.replace(/c=IN/g, 'a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:' + inline + 'c=IN') : sdp;
-
- return sdp;
- }
-
- function serializeSdp(sdp) {
- return sdp;
- }
-
- // DataChannel management
- var channel;
-
- function openOffererChannel() {
- if (!options.onChannelMessage) return;
-
- _openOffererChannel();
-
- return;
- }
-
- function _openOffererChannel() {
- channel = peer.createDataChannel(options.channel || 'RTCDataChannel', {
- reliable: false
- });
-
- setChannelEvents();
- }
-
- function setChannelEvents() {
- channel.onmessage = function(event) {
- if (options.onChannelMessage) options.onChannelMessage(event);
- };
-
- channel.onopen = function() {
- if (options.onChannelOpened) options.onChannelOpened(channel);
- };
- channel.onclose = function(event) {
- if (options.onChannelClosed) options.onChannelClosed(event);
-
- console.warn('WebRTC DataChannel closed', event);
- };
- channel.onerror = function(event) {
- if (options.onChannelError) options.onChannelError(event);
-
- console.error('WebRTC DataChannel error', event);
- };
- }
-
- function openAnswererChannel() {
- peer.ondatachannel = function(event) {
- channel = event.channel;
- channel.binaryType = 'blob';
- setChannelEvents();
- };
-
- return;
- }
-
- // fake:true is also available on chrome under a flag!
- function useless() {
- log('Error in fake:true');
- }
-
- function onSdpSuccess() {}
-
- function onSdpError(e) {
- if (options.onChannelError) {
- options.onChannelError(e);
- }
- console.error('sdp error:', e);
- }
-
- return {
- addAnswerSDP: function(sdp, cbSuccess, cbError) {
-
- peer.setRemoteDescription(new window.RTCSessionDescription(sdp), cbSuccess ? cbSuccess : onSdpSuccess, cbError ? cbError : onSdpError);
- },
- addICE: function(candidate) {
- peer.addIceCandidate(new window.RTCIceCandidate({
- sdpMLineIndex: candidate.sdpMLineIndex,
- candidate: candidate.candidate
- }));
- },
-
- peer: peer,
- channel: channel,
- sendData: function(message) {
- if (channel) {
- channel.send(message);
- }
- },
-
- stop: function() {
- peer.close();
- if (options.attachStream) {
- if(typeof options.attachStream.stop == 'function') {
- options.attachStream.stop();
- } else {
- options.attachStream.active = false;
- }
- }
- }
-
- };
- }
-
- // getUserMedia
- var video_constraints = {
- //mandatory: {},
- //optional: []
- };
-
- function activateLocalVideo(el, stream) {
- el.srcObject = stream;
- el.style.display = 'block';
- }
-
- function deactivateLocalVideo(el) {
- el.srcObject = null;
- el.style.display = 'none';
- }
-
- function getUserMedia(options) {
- var n = navigator,
- media;
- n.getMedia = n.getUserMedia;
- n.getMedia(options.constraints || {
- audio: true,
- video: video_constraints
- },
- streaming, options.onerror ||
- function(e) {
- console.error(e);
- });
-
- function streaming(stream) {
- if (options.localVideo) {
- activateLocalVideo(options.localVideo, stream);
- }
-
- if (options.onsuccess) {
- options.onsuccess(stream);
- }
-
- media = stream;
- }
-
- return media;
- }
-
- $.FSRTC.resSupported = function(w, h) {
- for (var i in $.FSRTC.validRes) {
- if ($.FSRTC.validRes[i][0] == w && $.FSRTC.validRes[i][1] == h) {
- return true;
- }
- }
-
- return false;
- }
-
- $.FSRTC.bestResSupported = function() {
- var w = 0, h = 0;
-
- for (var i in $.FSRTC.validRes) {
- if ($.FSRTC.validRes[i][0] >= w && $.FSRTC.validRes[i][1] >= h) {
- w = $.FSRTC.validRes[i][0];
- h = $.FSRTC.validRes[i][1];
- }
- }
-
- return [w, h];
- }
-
- var resList = [[160, 120], [320, 180], [320, 240], [640, 360], [640, 480], [1280, 720], [1920, 1080]];
- var resI = 0;
- var ttl = 0;
-
- var checkRes = function (cam, func) {
-
- if (resI >= resList.length) {
- var res = {
- 'validRes': $.FSRTC.validRes,
- 'bestResSupported': $.FSRTC.bestResSupported()
- };
-
- localStorage.setItem("res_" + cam, $.toJSON(res));
-
- if (func) return func(res);
- return;
- }
-
- w = resList[resI][0];
- h = resList[resI][1];
- resI++;
-
- var video = {
- width: {exact: w},
- height: {exact: h}
- };
-
- if (cam !== "any") {
- video.deviceId = {
- exact: cam,
- };
- }
-
- getUserMedia({
- constraints: {
- audio: ttl++ == 0,
- video: video
- },
- onsuccess: function(e) {
- e.getTracks().forEach(function(track) {track.stop();});
- console.info(w + "x" + h + " supported."); $.FSRTC.validRes.push([w, h]); checkRes(cam, func);},
- onerror: function(e) {console.warn( w + "x" + h + " not supported."); checkRes(cam, func);}
- });
- }
-
-
- $.FSRTC.getValidRes = function (cam, func) {
- var used = [];
- var cached = localStorage.getItem("res_" + cam);
-
- if (cached) {
- var cache = $.parseJSON(cached);
-
- if (cache) {
- $.FSRTC.validRes = cache.validRes;
- console.log("CACHED RES FOR CAM " + cam, cache);
- } else {
- console.error("INVALID CACHE");
- }
- return func ? func(cache) : null;
- }
-
-
- $.FSRTC.validRes = [];
- resI = 0;
-
- checkRes(cam, func);
- }
-
- $.FSRTC.checkPerms = function (runtime, check_audio, check_video) {
- getUserMedia({
- constraints: {
- audio: check_audio,
- video: check_video,
- },
- onsuccess: function(e) {
-
- e.getTracks().forEach(function(track) {track.stop();});
-
- console.info("media perm init complete");
- if (runtime) {
- setTimeout(runtime, 100, true);
- }
- },
- onerror: function(e) {
- if (check_video && check_audio) {
- console.error("error, retesting with audio params only");
- return $.FSRTC.checkPerms(runtime, check_audio, false);
- }
-
- console.error("media perm init error");
-
- if (runtime) {
- runtime(false)
- }
- }
- });
- }
-
-})(jQuery);
-/*
- * Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
- * Copyright (C) 2005-2014, Anthony Minessale II
- *
- * Version: MPL 1.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is jquery.jsonrpclient.js modified for Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
- *
- * The Initial Developer of the Original Code is
- * Textalk AB http://textalk.se/
- * Portions created by the Initial Developer are Copyright (C)
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Anthony Minessale II
- *
- * jquery.jsonrpclient.js - JSON RPC client code
- *
- */
-/**
- * This plugin requires jquery.json.js to be available, or at least the methods $.toJSON and
- * $.parseJSON.
- *
- * The plan is to make use of websockets if they are available, but work just as well with only
- * http if not.
- *
- * Usage example:
- *
- * var foo = new $.JsonRpcClient({ ajaxUrl: '/backend/jsonrpc' });
- * foo.call(
- * 'bar', [ 'A parameter', 'B parameter' ],
- * function(result) { alert('Foo bar answered: ' + result.my_answer); },
- * function(error) { console.log('There was an error', error); }
- * );
- *
- * More examples are available in README.md
- */
-(function($) {
- /**
- * @fn new
- * @memberof $.JsonRpcClient
- *
- * @param options An object stating the backends:
- * ajaxUrl A url (relative or absolute) to a http(s) backend.
- * socketUrl A url (relative of absolute) to a ws(s) backend.
- * onmessage A socket message handler for other messages (non-responses).
- * getSocket A function returning a WebSocket or null.
- * It must take an onmessage_cb and bind it to the onmessage event
- * (or chain it before/after some other onmessage handler).
- * Or, it could return null if no socket is available.
- * The returned instance must have readyState <= 1, and if less than 1,
- * react to onopen binding.
- */
- $.JsonRpcClient = function(options) {
- var self = this;
- this.options = $.extend({
- ajaxUrl : null,
- socketUrl : null, ///< The ws-url for default getSocket.
- onmessage : null, ///< Other onmessage-handler.
- login : null, /// auth login
- passwd : null, /// auth passwd
- sessid : null,
- loginParams : null,
- userVariables : null,
- getSocket : function(onmessage_cb) { return self._getSocket(onmessage_cb); }
- }, options);
-
- self.ws_cnt = 0;
-
- // Declare an instance version of the onmessage callback to wrap 'this'.
- this.wsOnMessage = function(event) { self._wsOnMessage(event); };
- };
-
- /// Holding the WebSocket on default getsocket.
- $.JsonRpcClient.prototype._ws_socket = null;
-
- /// Object : { success_cb: cb, error_cb: cb }
- $.JsonRpcClient.prototype._ws_callbacks = {};
-
- /// The next JSON-RPC request id.
- $.JsonRpcClient.prototype._current_id = 1;
-
-
- $.JsonRpcClient.prototype.speedTest = function (bytes, cb) {
- var socket = this.options.getSocket(this.wsOnMessage);
- if (socket !== null) {
- this.speedCB = cb;
- this.speedBytes = bytes;
- socket.send("#SPU " + bytes);
-
- var loops = bytes / 1024;
- var rem = bytes % 1024;
- var i;
- var data = new Array(1024).join(".");
- for (i = 0; i < loops; i++) {
- socket.send("#SPB " + data);
- }
-
- if (rem) {
- socket.send("#SPB " + data);
- }
-
- socket.send("#SPE");
- }
- };
-
-
-
- /**
- * @fn call
- * @memberof $.JsonRpcClient
- *
- * @param method The method to run on JSON-RPC server.
- * @param params The params; an array or object.
- * @param success_cb A callback for successful request.
- * @param error_cb A callback for error.
- */
- $.JsonRpcClient.prototype.call = function(method, params, success_cb, error_cb) {
- // Construct the JSON-RPC 2.0 request.
-
- if (!params) {
- params = {};
- }
-
- if (this.options.sessid) {
- params.sessid = this.options.sessid;
- }
-
- var request = {
- jsonrpc : '2.0',
- method : method,
- params : params,
- id : this._current_id++ // Increase the id counter to match request/response
- };
-
- if (!success_cb) {
- success_cb = function(e){console.log("Success: ", e);};
- }
-
- if (!error_cb) {
- error_cb = function(e){console.log("Error: ", e);};
- }
-
- // Try making a WebSocket call.
- var socket = this.options.getSocket(this.wsOnMessage);
- if (socket !== null) {
- this._wsCall(socket, request, success_cb, error_cb);
- return;
- }
-
- // No WebSocket, and no HTTP backend? This won't work.
- if (this.options.ajaxUrl === null) {
- throw "$.JsonRpcClient.call used with no websocket and no http endpoint.";
- }
-
- $.ajax({
- type : 'POST',
- url : this.options.ajaxUrl,
- data : $.toJSON(request),
- dataType : 'json',
- cache : false,
-
- success : function(data) {
- if ('error' in data) error_cb(data.error, this);
- success_cb(data.result, this);
- },
-
- // JSON-RPC Server could return non-200 on error
- error : function(jqXHR, textStatus, errorThrown) {
- try {
- var response = $.parseJSON(jqXHR.responseText);
-
- if ('console' in window) console.log(response);
-
- error_cb(response.error, this);
- } catch (err) {
- // Perhaps the responseText wasn't really a jsonrpc-error.
- error_cb({ error: jqXHR.responseText }, this);
- }
- }
- });
- };
-
- /**
- * Notify sends a command to the server that won't need a response. In http, there is probably
- * an empty response - that will be dropped, but in ws there should be no response at all.
- *
- * This is very similar to call, but has no id and no handling of callbacks.
- *
- * @fn notify
- * @memberof $.JsonRpcClient
- *
- * @param method The method to run on JSON-RPC server.
- * @param params The params; an array or object.
- */
- $.JsonRpcClient.prototype.notify = function(method, params) {
- // Construct the JSON-RPC 2.0 request.
-
- if (this.options.sessid) {
- params.sessid = this.options.sessid;
- }
-
- var request = {
- jsonrpc: '2.0',
- method: method,
- params: params
- };
-
- // Try making a WebSocket call.
- var socket = this.options.getSocket(this.wsOnMessage);
- if (socket !== null) {
- this._wsCall(socket, request);
- return;
- }
-
- // No WebSocket, and no HTTP backend? This won't work.
- if (this.options.ajaxUrl === null) {
- throw "$.JsonRpcClient.notify used with no websocket and no http endpoint.";
- }
-
- $.ajax({
- type : 'POST',
- url : this.options.ajaxUrl,
- data : $.toJSON(request),
- dataType : 'json',
- cache : false
- });
- };
-
- /**
- * Make a batch-call by using a callback.
- *
- * The callback will get an object "batch" as only argument. On batch, you can call the methods
- * "call" and "notify" just as if it was a normal $.JsonRpcClient object, and all calls will be
- * sent as a batch call then the callback is done.
- *
- * @fn batch
- * @memberof $.JsonRpcClient
- *
- * @param callback The main function which will get a batch handler to run call and notify on.
- * @param all_done_cb A callback function to call after all results have been handled.
- * @param error_cb A callback function to call if there is an error from the server.
- * Note, that batch calls should always get an overall success, and the
- * only error
- */
- $.JsonRpcClient.prototype.batch = function(callback, all_done_cb, error_cb) {
- var batch = new $.JsonRpcClient._batchObject(this, all_done_cb, error_cb);
- callback(batch);
- batch._execute();
- };
-
- /**
- * The default getSocket handler.
- *
- * @param onmessage_cb The callback to be bound to onmessage events on the socket.
- *
- * @fn _getSocket
- * @memberof $.JsonRpcClient
- */
-
- $.JsonRpcClient.prototype.socketReady = function() {
- if (this._ws_socket === null || this._ws_socket.readyState > 1) {
- return false;
- }
-
- return true;
- };
-
- $.JsonRpcClient.prototype.closeSocket = function() {
- var self = this;
- if (self.socketReady()) {
- self._ws_socket.onclose = function (w) {console.log("Closing Socket");};
- self._ws_socket.close();
- }
- };
-
- $.JsonRpcClient.prototype.loginData = function(params) {
- var self = this;
- self.options.login = params.login;
- self.options.passwd = params.passwd;
- self.options.loginParams = params.loginParams;
- self.options.userVariables = params.userVariables;
- };
-
- $.JsonRpcClient.prototype.connectSocket = function(onmessage_cb) {
- var self = this;
-
- if (self.to) {
- clearTimeout(self.to);
- }
-
- if (!self.socketReady()) {
- self.authing = false;
-
- if (self._ws_socket) {
- delete self._ws_socket;
- }
-
- // No socket, or dying socket, let's get a new one.
- self._ws_socket = new WebSocket(self.options.socketUrl);
-
- if (self._ws_socket) {
- // Set up onmessage handler.
- self._ws_socket.onmessage = onmessage_cb;
- self._ws_socket.onclose = function (w) {
- if (!self.ws_sleep) {
- self.ws_sleep = 1000;
- }
-
- if (self.options.onWSClose) {
- self.options.onWSClose(self);
- }
-
- if (self.ws_cnt > 10 && self.options.wsFallbackURL) {
- self.options.socketUrl = self.options.wsFallbackURL;
- }
-
- console.error("Websocket Lost " + self.ws_cnt + " sleep: " + self.ws_sleep + "msec");
-
- self.to = setTimeout(function() {
- console.log("Attempting Reconnection....");
- self.connectSocket(onmessage_cb);
- }, self.ws_sleep);
-
- self.ws_cnt++;
-
- if (self.ws_sleep < 3000 && (self.ws_cnt % 10) === 0) {
- self.ws_sleep += 1000;
- }
- };
-
- // Set up sending of message for when the socket is open.
- self._ws_socket.onopen = function() {
- if (self.to) {
- clearTimeout(self.to);
- }
- self.ws_sleep = 1000;
- self.ws_cnt = 0;
- if (self.options.onWSConnect) {
- self.options.onWSConnect(self);
- }
-
- var req;
- // Send the requests.
- while ((req = $.JsonRpcClient.q.pop())) {
- self._ws_socket.send(req);
- }
- };
- }
- }
-
- return self._ws_socket ? true : false;
- };
-
- $.JsonRpcClient.prototype.stopRetrying = function() {
- if (self.to)
- clearTimeout(self.to);
- }
-
- $.JsonRpcClient.prototype._getSocket = function(onmessage_cb) {
- // If there is no ws url set, we don't have a socket.
- // Likewise, if there is no window.WebSocket.
- if (this.options.socketUrl === null || !("WebSocket" in window)) return null;
-
- this.connectSocket(onmessage_cb);
-
- return this._ws_socket;
- };
-
- /**
- * Queue to save messages delivered when websocket is not ready
- */
- $.JsonRpcClient.q = [];
-
- /**
- * Internal handler to dispatch a JRON-RPC request through a websocket.
- *
- * @fn _wsCall
- * @memberof $.JsonRpcClient
- */
- $.JsonRpcClient.prototype._wsCall = function(socket, request, success_cb, error_cb) {
- var request_json = $.toJSON(request);
-
- if (socket.readyState < 1) {
- // The websocket is not open yet; we have to set sending of the message in onopen.
- self = this; // In closure below, this is set to the WebSocket. Use self instead.
- $.JsonRpcClient.q.push(request_json);
- } else {
- // We have a socket and it should be ready to send on.
- socket.send(request_json);
- }
-
- // Setup callbacks. If there is an id, this is a call and not a notify.
- if ('id' in request && typeof success_cb !== 'undefined') {
- this._ws_callbacks[request.id] = { request: request_json, request_obj: request, success_cb: success_cb, error_cb: error_cb };
- }
- };
-
- /**
- * Internal handler for the websocket messages. It determines if the message is a JSON-RPC
- * response, and if so, tries to couple it with a given callback. Otherwise, it falls back to
- * given external onmessage-handler, if any.
- *
- * @param event The websocket onmessage-event.
- */
- $.JsonRpcClient.prototype._wsOnMessage = function(event) {
- // Check if this could be a JSON RPC message.
- var response;
-
- // Special sub proto
- if (event.data[0] == "#" && event.data[1] == "S" && event.data[2] == "P") {
- if (event.data[3] == "U") {
- this.up_dur = parseInt(event.data.substring(4));
- } else if (this.speedCB && event.data[3] == "D") {
- this.down_dur = parseInt(event.data.substring(4));
-
- var up_kps = (((this.speedBytes * 8) / (this.up_dur / 1000)) / 1024).toFixed(0);
- var down_kps = (((this.speedBytes * 8) / (this.down_dur / 1000)) / 1024).toFixed(0);
-
- console.info("Speed Test: Up: " + up_kps + " Down: " + down_kps);
- var cb = this.speedCB;
- this.speedCB = null;
- cb(event, {
- upDur: this.up_dur,
- downDur: this.down_dur,
- upKPS: up_kps,
- downKPS: down_kps
- });
- }
-
- return;
- }
-
-
- try {
- response = $.parseJSON(event.data);
-
- /// @todo Make using the jsonrcp 2.0 check optional, to use this on JSON-RPC 1 backends.
-
- if (typeof response === 'object' &&
- 'jsonrpc' in response &&
- response.jsonrpc === '2.0') {
-
- /// @todo Handle bad response (without id).
-
- // If this is an object with result, it is a response.
- if ('result' in response && this._ws_callbacks[response.id]) {
- // Get the success callback.
- var success_cb = this._ws_callbacks[response.id].success_cb;
-
- /*
- // set the sessid if present
- if ('sessid' in response.result && !this.options.sessid || (this.options.sessid != response.result.sessid)) {
- this.options.sessid = response.result.sessid;
- if (this.options.sessid) {
- console.log("setting session UUID to: " + this.options.sessid);
- }
- }
- */
- // Delete the callback from the storage.
- delete this._ws_callbacks[response.id];
-
- // Run callback with result as parameter.
- success_cb(response.result, this);
- return;
- } else if ('error' in response && this._ws_callbacks[response.id]) {
- // If this is an object with error, it is an error response.
-
- // Get the error callback.
- var error_cb = this._ws_callbacks[response.id].error_cb;
- var orig_req = this._ws_callbacks[response.id].request;
-
- // if this is an auth request, send the credentials and resend the failed request
- if (!self.authing && response.error.code == -32000 && self.options.login && self.options.passwd) {
- self.authing = true;
-
- this.call("login", { login: self.options.login, passwd: self.options.passwd, loginParams: self.options.loginParams,
- userVariables: self.options.userVariables},
- this._ws_callbacks[response.id].request_obj.method == "login" ?
- function(e) {
- self.authing = false;
- console.log("logged in");
- delete self._ws_callbacks[response.id];
-
- if (self.options.onWSLogin) {
- self.options.onWSLogin(true, self);
- }
- }
-
- :
-
- function(e) {
- self.authing = false;
- console.log("logged in, resending request id: " + response.id);
- var socket = self.options.getSocket(self.wsOnMessage);
- if (socket !== null) {
- socket.send(orig_req);
- }
- if (self.options.onWSLogin) {
- self.options.onWSLogin(true, self);
- }
- },
-
- function(e) {
- console.log("error logging in, request id:", response.id);
- delete self._ws_callbacks[response.id];
- error_cb(response.error, this);
- if (self.options.onWSLogin) {
- self.options.onWSLogin(false, self);
- }
- });
- return;
- }
-
- // Delete the callback from the storage.
- delete this._ws_callbacks[response.id];
-
- // Run callback with the error object as parameter.
- error_cb(response.error, this);
- return;
- }
- }
- } catch (err) {
- // Probably an error while parsing a non json-string as json. All real JSON-RPC cases are
- // handled above, and the fallback method is called below.
- console.log("ERROR: "+ err);
- return;
- }
-
- // This is not a JSON-RPC response. Call the fallback message handler, if given.
- if (typeof this.options.onmessage === 'function') {
- event.eventData = response;
- if (!event.eventData) {
- event.eventData = {};
- }
-
- var reply = this.options.onmessage(event);
-
- if (reply && typeof reply === "object" && event.eventData.id) {
- var msg = {
- jsonrpc: "2.0",
- id: event.eventData.id,
- result: reply
- };
-
- var socket = self.options.getSocket(self.wsOnMessage);
- if (socket !== null) {
- socket.send($.toJSON(msg));
- }
- }
- }
- };
-
-
- /************************************************************************************************
- * Batch object with methods
- ************************************************************************************************/
-
- /**
- * Handling object for batch calls.
- */
- $.JsonRpcClient._batchObject = function(jsonrpcclient, all_done_cb, error_cb) {
- // Array of objects to hold the call and notify requests. Each objects will have the request
- // object, and unless it is a notify, success_cb and error_cb.
- this._requests = [];
-
- this.jsonrpcclient = jsonrpcclient;
- this.all_done_cb = all_done_cb;
- this.error_cb = typeof error_cb === 'function' ? error_cb : function() {};
-
- };
-
- /**
- * @sa $.JsonRpcClient.prototype.call
- */
- $.JsonRpcClient._batchObject.prototype.call = function(method, params, success_cb, error_cb) {
-
- if (!params) {
- params = {};
- }
-
- if (this.options.sessid) {
- params.sessid = this.options.sessid;
- }
-
- if (!success_cb) {
- success_cb = function(e){console.log("Success: ", e);};
- }
-
- if (!error_cb) {
- error_cb = function(e){console.log("Error: ", e);};
- }
-
- this._requests.push({
- request : {
- jsonrpc : '2.0',
- method : method,
- params : params,
- id : this.jsonrpcclient._current_id++ // Use the client's id series.
- },
- success_cb : success_cb,
- error_cb : error_cb
- });
- };
-
- /**
- * @sa $.JsonRpcClient.prototype.notify
- */
- $.JsonRpcClient._batchObject.prototype.notify = function(method, params) {
- if (this.options.sessid) {
- params.sessid = this.options.sessid;
- }
-
- this._requests.push({
- request : {
- jsonrpc : '2.0',
- method : method,
- params : params
- }
- });
- };
-
- /**
- * Executes the batched up calls.
- */
- $.JsonRpcClient._batchObject.prototype._execute = function() {
- var self = this;
-
- if (this._requests.length === 0) return; // All done :P
-
- // Collect all request data and sort handlers by request id.
- var batch_request = [];
- var handlers = {};
- var i = 0;
- var call;
- var success_cb;
- var error_cb;
-
- // If we have a WebSocket, just send the requests individually like normal calls.
- var socket = self.jsonrpcclient.options.getSocket(self.jsonrpcclient.wsOnMessage);
- if (socket !== null) {
- for (i = 0; i < this._requests.length; i++) {
- call = this._requests[i];
- success_cb = ('success_cb' in call) ? call.success_cb : undefined;
- error_cb = ('error_cb' in call) ? call.error_cb : undefined;
- self.jsonrpcclient._wsCall(socket, call.request, success_cb, error_cb);
- }
-
- if (typeof all_done_cb === 'function') all_done_cb(result);
- return;
- }
-
- for (i = 0; i < this._requests.length; i++) {
- call = this._requests[i];
- batch_request.push(call.request);
-
- // If the request has an id, it should handle returns (otherwise it's a notify).
- if ('id' in call.request) {
- handlers[call.request.id] = {
- success_cb : call.success_cb,
- error_cb : call.error_cb
- };
- }
- }
-
- success_cb = function(data) { self._batchCb(data, handlers, self.all_done_cb); };
-
- // No WebSocket, and no HTTP backend? This won't work.
- if (self.jsonrpcclient.options.ajaxUrl === null) {
- throw "$.JsonRpcClient.batch used with no websocket and no http endpoint.";
- }
-
- // Send request
- $.ajax({
- url : self.jsonrpcclient.options.ajaxUrl,
- data : $.toJSON(batch_request),
- dataType : 'json',
- cache : false,
- type : 'POST',
-
- // Batch-requests should always return 200
- error : function(jqXHR, textStatus, errorThrown) {
- self.error_cb(jqXHR, textStatus, errorThrown);
- },
- success : success_cb
- });
- };
-
- /**
- * Internal helper to match the result array from a batch call to their respective callbacks.
- *
- * @fn _batchCb
- * @memberof $.JsonRpcClient
- */
- $.JsonRpcClient._batchObject.prototype._batchCb = function(result, handlers, all_done_cb) {
- for (var i = 0; i < result.length; i++) {
- var response = result[i];
-
- // Handle error
- if ('error' in response) {
- if (response.id === null || !(response.id in handlers)) {
- // An error on a notify? Just log it to the console.
- if ('console' in window) console.log(response);
- } else {
- handlers[response.id].error_cb(response.error, this);
- }
- } else {
- // Here we should always have a correct id and no error.
- if (!(response.id in handlers) && 'console' in window) {
- console.log(response);
- } else {
- handlers[response.id].success_cb(response.result, this);
- }
- }
- }
-
- if (typeof all_done_cb === 'function') all_done_cb(result);
- };
-
-})(jQuery);
-
-/*
- * Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
- * Copyright (C) 2005-2014, Anthony Minessale II
- *
- * Version: MPL 1.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
- *
- * The Initial Developer of the Original Code is
- * Anthony Minessale II
- * Portions created by the Initial Developer are Copyright (C)
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Anthony Minessale II
- *
- * jquery.verto.js - Main interface
- *
- */
-
-(function($) {
- var sources = [];
-
- var generateGUID = (typeof(window.crypto) !== 'undefined' && typeof(window.crypto.getRandomValues) !== 'undefined') ?
- function() {
- // If we have a cryptographically secure PRNG, use that
- // http://stackoverflow.com/questions/6906916/collisions-when-generating-uuids-in-javascript
- var buf = new Uint16Array(8);
- window.crypto.getRandomValues(buf);
- var S4 = function(num) {
- var ret = num.toString(16);
- while (ret.length < 4) {
- ret = "0" + ret;
- }
- return ret;
- };
- return (S4(buf[0]) + S4(buf[1]) + "-" + S4(buf[2]) + "-" + S4(buf[3]) + "-" + S4(buf[4]) + "-" + S4(buf[5]) + S4(buf[6]) + S4(buf[7]));
- }
-
- :
-
- function() {
- // Otherwise, just use Math.random
- // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/2117523#2117523
- return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
- var r = Math.random() * 16 | 0,
- v = c == 'x' ? r : (r & 0x3 | 0x8);
- return v.toString(16);
- });
- };
-
- /// MASTER OBJ
- $.verto = function(options, callbacks) {
- var verto = this;
-
- $.verto.saved.push(verto);
-
- verto.options = $.extend({
- login: null,
- passwd: null,
- socketUrl: null,
- tag: null,
- localTag: null,
- videoParams: {},
- audioParams: {},
- loginParams: {},
- deviceParams: {onResCheck: null},
- userVariables: {},
- iceServers: false,
- ringSleep: 6000,
- sessid: null,
- useStream: null
- }, options);
-
- if (verto.options.deviceParams.useCamera) {
- $.FSRTC.getValidRes(verto.options.deviceParams.useCamera, verto.options.deviceParams.onResCheck);
- }
-
- if (!verto.options.deviceParams.useMic) {
- verto.options.deviceParams.useMic = "any";
- }
-
- if (!verto.options.deviceParams.useSpeak) {
- verto.options.deviceParams.useSpeak = "any";
- }
-
- if (verto.options.sessid) {
- verto.sessid = verto.options.sessid;
- } else {
- verto.sessid = localStorage.getItem("verto_session_uuid") || generateGUID();
- localStorage.setItem("verto_session_uuid", verto.sessid);
- }
-
- verto.dialogs = {};
- verto.callbacks = callbacks || {};
- verto.eventSUBS = {};
-
- verto.rpcClient = new $.JsonRpcClient({
- login: verto.options.login,
- passwd: verto.options.passwd,
- socketUrl: verto.options.socketUrl,
- wsFallbackURL: verto.options.wsFallbackURL,
- turnServer: verto.options.turnServer,
- loginParams: verto.options.loginParams,
- userVariables: verto.options.userVariables,
- sessid: verto.sessid,
- onmessage: function(e) {
- return verto.handleMessage(e.eventData);
- },
- onWSConnect: function(o) {
- o.call('login', {});
- },
- onWSLogin: function(success) {
- if (verto.callbacks.onWSLogin) {
- verto.callbacks.onWSLogin(verto, success);
- }
- },
- onWSClose: function(success) {
- if (verto.callbacks.onWSClose) {
- verto.callbacks.onWSClose(verto, success);
- }
- verto.purge();
- }
- });
-
- var tag = verto.options.tag;
- if (typeof(tag) === "function") {
- tag = tag();
- }
-
- if (verto.options.ringFile && verto.options.tag) {
- verto.ringer = $("#" + tag);
- }
-
- verto.rpcClient.call('login', {});
-
- };
-
-
- $.verto.prototype.deviceParams = function(obj) {
- var verto = this;
-
- for (var i in obj) {
- verto.options.deviceParams[i] = obj[i];
- }
-
- if (obj.useCamera) {
- $.FSRTC.getValidRes(verto.options.deviceParams.useCamera, obj ? obj.onResCheck : undefined);
- }
- };
-
- $.verto.prototype.videoParams = function(obj) {
- var verto = this;
-
- for (var i in obj) {
- verto.options.videoParams[i] = obj[i];
- }
- };
-
- $.verto.prototype.iceServers = function(obj) {
- var verto = this;
- verto.options.iceServers = obj;
- };
-
- $.verto.prototype.loginData = function(params) {
- var verto = this;
- verto.options.login = params.login;
- verto.options.passwd = params.passwd;
- verto.rpcClient.loginData(params);
- };
-
- $.verto.prototype.logout = function(msg) {
- var verto = this;
- verto.rpcClient.closeSocket();
- if (verto.callbacks.onWSClose) {
- verto.callbacks.onWSClose(verto, false);
- }
- verto.purge();
- };
-
- $.verto.prototype.login = function(msg) {
- var verto = this;
- verto.logout();
- verto.rpcClient.call('login', {});
- };
-
- $.verto.prototype.message = function(msg) {
- var verto = this;
- var err = 0;
-
- if (!msg.to) {
- console.error("Missing To");
- err++;
- }
-
- if (!msg.body) {
- console.error("Missing Body");
- err++;
- }
-
- if (err) {
- return false;
- }
-
- verto.sendMethod("verto.info", {
- msg: msg
- });
-
- return true;
- };
-
- $.verto.prototype.processReply = function(method, success, e) {
- var verto = this;
- var i;
-
- //console.log("Response: " + method, success, e);
-
- switch (method) {
- case "verto.subscribe":
- for (i in e.unauthorizedChannels) {
- drop_bad(verto, e.unauthorizedChannels[i]);
- }
- for (i in e.subscribedChannels) {
- mark_ready(verto, e.subscribedChannels[i]);
- }
-
- break;
- case "verto.unsubscribe":
- //console.error(e);
- break;
- }
- };
-
- $.verto.prototype.sendMethod = function(method, params) {
- var verto = this;
-
- verto.rpcClient.call(method, params,
-
- function(e) {
- /* Success */
- verto.processReply(method, true, e);
- },
-
- function(e) {
- /* Error */
- verto.processReply(method, false, e);
- });
- };
-
- function do_sub(verto, channel, obj) {
-
- }
-
- function drop_bad(verto, channel) {
- console.error("drop unauthorized channel: " + channel);
- delete verto.eventSUBS[channel];
- }
-
- function mark_ready(verto, channel) {
- for (var j in verto.eventSUBS[channel]) {
- verto.eventSUBS[channel][j].ready = true;
- console.log("subscribed to channel: " + channel);
- if (verto.eventSUBS[channel][j].readyHandler) {
- verto.eventSUBS[channel][j].readyHandler(verto, channel);
- }
- }
- }
-
- var SERNO = 1;
-
- function do_subscribe(verto, channel, subChannels, sparams) {
- var params = sparams || {};
-
- var local = params.local;
-
- var obj = {
- eventChannel: channel,
- userData: params.userData,
- handler: params.handler,
- ready: false,
- readyHandler: params.readyHandler,
- serno: SERNO++
- };
-
- var isnew = false;
-
- if (!verto.eventSUBS[channel]) {
- verto.eventSUBS[channel] = [];
- subChannels.push(channel);
- isnew = true;
- }
-
- verto.eventSUBS[channel].push(obj);
-
- if (local) {
- obj.ready = true;
- obj.local = true;
- }
-
- if (!isnew && verto.eventSUBS[channel][0].ready) {
- obj.ready = true;
- if (obj.readyHandler) {
- obj.readyHandler(verto, channel);
- }
- }
-
- return {
- serno: obj.serno,
- eventChannel: channel
- };
-
- }
-
- $.verto.prototype.subscribe = function(channel, sparams) {
- var verto = this;
- var r = [];
- var subChannels = [];
- var params = sparams || {};
-
- if (typeof(channel) === "string") {
- r.push(do_subscribe(verto, channel, subChannels, params));
- } else {
- for (var i in channel) {
- r.push(do_subscribe(verto, channel, subChannels, params));
- }
- }
-
- if (subChannels.length) {
- verto.sendMethod("verto.subscribe", {
- eventChannel: subChannels.length == 1 ? subChannels[0] : subChannels,
- subParams: params.subParams
- });
- }
-
- return r;
- };
-
- $.verto.prototype.unsubscribe = function(handle) {
- var verto = this;
- var i;
-
- if (!handle) {
- for (i in verto.eventSUBS) {
- if (verto.eventSUBS[i]) {
- verto.unsubscribe(verto.eventSUBS[i]);
- }
- }
- } else {
- var unsubChannels = {};
- var sendChannels = [];
- var channel;
-
- if (typeof(handle) == "string") {
- delete verto.eventSUBS[handle];
- unsubChannels[handle]++;
- } else {
- for (i in handle) {
- if (typeof(handle[i]) == "string") {
- channel = handle[i];
- delete verto.eventSUBS[channel];
- unsubChannels[channel]++;
- } else {
- var repl = [];
- channel = handle[i].eventChannel;
-
- for (var j in verto.eventSUBS[channel]) {
- if (verto.eventSUBS[channel][j].serno == handle[i].serno) {} else {
- repl.push(verto.eventSUBS[channel][j]);
- }
- }
-
- verto.eventSUBS[channel] = repl;
-
- if (verto.eventSUBS[channel].length === 0) {
- delete verto.eventSUBS[channel];
- unsubChannels[channel]++;
- }
- }
- }
- }
-
- for (var u in unsubChannels) {
- console.log("Sending Unsubscribe for: ", u);
- sendChannels.push(u);
- }
-
- if (sendChannels.length) {
- verto.sendMethod("verto.unsubscribe", {
- eventChannel: sendChannels.length == 1 ? sendChannels[0] : sendChannels
- });
- }
- }
- };
-
- $.verto.prototype.broadcast = function(channel, params) {
- var verto = this;
- var msg = {
- eventChannel: channel,
- data: {}
- };
- for (var i in params) {
- msg.data[i] = params[i];
- }
- verto.sendMethod("verto.broadcast", msg);
- };
-
- $.verto.prototype.purge = function(callID) {
- var verto = this;
- var x = 0;
- var i;
-
- for (i in verto.dialogs) {
- if (!x) {
- console.log("purging dialogs");
- }
- x++;
- verto.dialogs[i].setState($.verto.enum.state.purge);
- }
-
- for (i in verto.eventSUBS) {
- if (verto.eventSUBS[i]) {
- console.log("purging subscription: " + i);
- delete verto.eventSUBS[i];
- }
- }
- };
-
- $.verto.prototype.hangup = function(callID) {
- var verto = this;
- if (callID) {
- var dialog = verto.dialogs[callID];
-
- if (dialog) {
- dialog.hangup();
- }
- } else {
- for (var i in verto.dialogs) {
- verto.dialogs[i].hangup();
- }
- }
- };
-
- $.verto.prototype.newCall = function(args, callbacks) {
- var verto = this;
-
- if (!verto.rpcClient.socketReady()) {
- console.error("Not Connected...");
- return;
- }
-
- if (args["useCamera"]) {
- verto.options.deviceParams["useCamera"] = args["useCamera"];
- }
-
- var dialog = new $.verto.dialog($.verto.enum.direction.outbound, this, args);
-
- if (callbacks) {
- dialog.callbacks = callbacks;
- }
-
- dialog.invite();
-
- return dialog;
- };
-
- $.verto.prototype.handleMessage = function(data) {
- var verto = this;
-
- if (!(data && data.method)) {
- console.error("Invalid Data", data);
- return;
- }
-
- if (data.params.callID) {
- var dialog = verto.dialogs[data.params.callID];
-
- if (data.method === "verto.attach" && dialog) {
- delete dialog.verto.dialogs[dialog.callID];
- dialog.rtc.stop();
- dialog = null;
- }
-
- if (dialog) {
-
- switch (data.method) {
- case 'verto.bye':
- dialog.hangup(data.params);
- break;
- case 'verto.answer':
- dialog.handleAnswer(data.params);
- break;
- case 'verto.media':
- dialog.handleMedia(data.params);
- break;
- case 'verto.display':
- dialog.handleDisplay(data.params);
- break;
- case 'verto.info':
- dialog.handleInfo(data.params);
- break;
- default:
- console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED", dialog, data.method);
- break;
- }
- } else {
-
- switch (data.method) {
- case 'verto.attach':
- data.params.attach = true;
-
- if (data.params.sdp && data.params.sdp.indexOf("m=video") > 0) {
- data.params.useVideo = true;
- }
-
- if (data.params.sdp && data.params.sdp.indexOf("stereo=1") > 0) {
- data.params.useStereo = true;
- }
-
- dialog = new $.verto.dialog($.verto.enum.direction.inbound, verto, data.params);
- dialog.setState($.verto.enum.state.recovering);
-
- break;
- case 'verto.invite':
-
- if (data.params.sdp && data.params.sdp.indexOf("m=video") > 0) {
- data.params.wantVideo = true;
- }
-
- if (data.params.sdp && data.params.sdp.indexOf("stereo=1") > 0) {
- data.params.useStereo = true;
- }
-
- dialog = new $.verto.dialog($.verto.enum.direction.inbound, verto, data.params);
- break;
- default:
- console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED");
- break;
- }
- }
-
- return {
- method: data.method
- };
- } else {
- switch (data.method) {
- case 'verto.punt':
- verto.purge();
- verto.logout();
- break;
- case 'verto.event':
- var list = null;
- var key = null;
-
- if (data.params) {
- key = data.params.eventChannel;
- }
-
- if (key) {
- list = verto.eventSUBS[key];
-
- if (!list) {
- list = verto.eventSUBS[key.split(".")[0]];
- }
- }
-
- if (!list && key && key === verto.sessid) {
- if (verto.callbacks.onMessage) {
- verto.callbacks.onMessage(verto, null, $.verto.enum.message.pvtEvent, data.params);
- }
- } else if (!list && key && verto.dialogs[key]) {
- verto.dialogs[key].sendMessage($.verto.enum.message.pvtEvent, data.params);
- } else if (!list) {
- if (!key) {
- key = "UNDEFINED";
- }
- console.error("UNSUBBED or invalid EVENT " + key + " IGNORED");
- } else {
- for (var i in list) {
- var sub = list[i];
-
- if (!sub || !sub.ready) {
- console.error("invalid EVENT for " + key + " IGNORED");
- } else if (sub.handler) {
- sub.handler(verto, data.params, sub.userData);
- } else if (verto.callbacks.onEvent) {
- verto.callbacks.onEvent(verto, data.params, sub.userData);
- } else {
- console.log("EVENT:", data.params);
- }
- }
- }
-
- break;
-
- case "verto.info":
- if (verto.callbacks.onMessage) {
- verto.callbacks.onMessage(verto, null, $.verto.enum.message.info, data.params.msg);
- }
- //console.error(data);
- console.debug("MESSAGE from: " + data.params.msg.from, data.params.msg.body);
-
- break;
-
- case 'verto.clientReady':
- if (verto.callbacks.onMessage) {
- verto.callbacks.onMessage(verto, null, $.verto.enum.message.clientReady, data.params);
- }
- console.debug("CLIENT READY", data.params);
- break;
-
- default:
- console.error("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED", data.method);
- break;
- }
- }
- };
-
- var del_array = function(array, name) {
- var r = [];
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- if (array[i] != name) {
- r.push(array[i]);
- }
- }
-
- return r;
- };
-
- var hashArray = function() {
- var vha = this;
-
- var hash = {};
- var array = [];
-
- vha.reorder = function(a) {
- array = a;
- var h = hash;
- hash = {};
-
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- var key = array[i];
- if (h[key]) {
- hash[key] = h[key];
- delete h[key];
- }
- }
- h = undefined;
- };
-
- vha.clear = function() {
- hash = undefined;
- array = undefined;
- hash = {};
- array = [];
- };
-
- vha.add = function(name, val, insertAt) {
- var redraw = false;
-
- if (!hash[name]) {
- if (insertAt === undefined || insertAt < 0 || insertAt >= array.length) {
- array.push(name);
- } else {
- var x = 0;
- var n = [];
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- if (x++==insertAt) {
- n.push(name);
- }
- n.push(array[i]);
- }
-
- array = undefined;
- array = n;
- n = undefined;
- redraw = true;
- }
- }
-
- hash[name] = val;
-
- return redraw;
- };
-
- vha.del = function(name) {
- var r = false;
-
- if (hash[name]) {
- array = del_array(array, name);
- delete hash[name];
- r = true;
- } else {
- console.error("can't del nonexistant key " + name);
- }
-
- return r;
- };
-
- vha.get = function(name) {
- return hash[name];
- };
-
- vha.order = function() {
- return array;
- };
-
- vha.hash = function() {
- return hash;
- };
-
- vha.indexOf = function(name) {
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- if (array[i] == name) {
- return i;
- }
- }
- };
-
- vha.arrayLen = function() {
- return array.length;
- };
-
- vha.asArray = function() {
- var r = [];
-
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- var key = array[i];
- r.push(hash[key]);
- }
-
- return r;
- };
-
- vha.each = function(cb) {
- var len = array.length;
-
- for (var i = 0; i < len; i++) {
- cb(array[i], hash[array[i]]);
- }
- };
-
- vha.dump = function(html) {
- var str = "";
-
- vha.each(function(name, val) {
- str += "name: " + name + " val: " + JSON.stringify(val) + (html ? "Play " +
- "Stop " +
- "Record " +
- "Record Stop " +
- (confMan.params.hasVid ? "PNG Snapshot " : "") +
- "
";
-
- jq.html(html);
-
- $.verto.modfuncs.change_video_layout = function(id, canvas_id) {
- var val = $("#" + id + " option:selected").text();
- if (val !== "none") {
- confMan.modCommand("vid-layout", null, [val, canvas_id]);
- }
- };
-
- if (confMan.params.hasVid) {
- for (var j = 0; j < confMan.canvasCount; j++) {
- var vlayout_id = "confman_vid_layout_" + j + "_" + confMan.serno;
- var vlselect_id = "confman_vl_select_" + j + "_" + confMan.serno;
-
-
- var vlhtml = "Video Layout Canvas " + (j+1) +
- "
";
- jq.append(vlhtml);
- }
-
- $("#" + snapshot_id).click(function() {
- var file = prompt("Please enter file name", "");
- if (file) {
- confMan.modCommand("vid-write-png", null, file);
- }
- });
- }
-
- $("#" + play_id).click(function() {
- var file = prompt("Please enter file name", "");
- if (file) {
- confMan.modCommand("play", null, file);
- }
- });
-
- $("#" + stop_id).click(function() {
- confMan.modCommand("stop", null, "all");
- });
-
- $("#" + recording_id).click(function() {
- var file = prompt("Please enter file name", "");
- if (file) {
- confMan.modCommand("recording", null, ["start", file]);
- }
- });
-
- $("#" + rec_stop_id).click(function() {
- confMan.modCommand("recording", null, ["stop", "all"]);
- });
-
- }
-
- function genControls(jq, rowid) {
- var x = parseInt(rowid);
- var kick_id = "kick_" + x;
- var canvas_in_next_id = "canvas_in_next_" + x;
- var canvas_in_prev_id = "canvas_in_prev_" + x;
- var canvas_out_next_id = "canvas_out_next_" + x;
- var canvas_out_prev_id = "canvas_out_prev_" + x;
-
- var canvas_in_set_id = "canvas_in_set_" + x;
- var canvas_out_set_id = "canvas_out_set_" + x;
-
- var layer_set_id = "layer_set_" + x;
- var layer_next_id = "layer_next_" + x;
- var layer_prev_id = "layer_prev_" + x;
-
- var tmute_id = "tmute_" + x;
- var tvmute_id = "tvmute_" + x;
- var vbanner_id = "vbanner_" + x;
- var tvpresenter_id = "tvpresenter_" + x;
- var tvfloor_id = "tvfloor_" + x;
- var box_id = "box_" + x;
- var gainup_id = "gain_in_up" + x;
- var gaindn_id = "gain_in_dn" + x;
- var volup_id = "vol_in_up" + x;
- var voldn_id = "vol_in_dn" + x;
- var transfer_id = "transfer" + x;
-
-
- var html = "";
-
- html += "General Controls
Kick " +
- "Mute " +
- "Gain - " +
- "Gain + " +
- "Vol - " +
- "Vol + " +
- "Transfer ";
-
- if (confMan.params.hasVid) {
- html += "Video Controls VMute " +
- "Presenter " +
- "Vid Floor " +
- "Banner ";
-
- if (confMan.canvasCount > 1) {
- html += "Canvas Controls Set Input Canvas " +
- "Prev Input Canvas " +
- "Next Input Canvas " +
-
- "Set Watching Canvas " +
- "Prev Watching Canvas " +
- "Next Watching Canvas ";
- }
-
- html += "Set Layer " +
- "Prev Layer " +
- "Next Layer " +
-
-
-
- "";
- }
-
- jq.html(html);
-
-
- if (!jq.data("mouse")) {
- $("#" + box_id).hide();
- }
-
- jq.mouseover(function(e) {
- jq.data({"mouse": true});
- $("#" + box_id).show();
- });
-
- jq.mouseout(function(e) {
- jq.data({"mouse": false});
- $("#" + box_id).hide();
- });
-
- $("#" + transfer_id).click(function() {
- var xten = prompt("Enter Extension");
- if (xten) {
- confMan.modCommand("transfer", x, xten);
- }
- });
-
- $("#" + kick_id).click(function() {
- confMan.modCommand("kick", x);
- });
-
-
- $("#" + layer_set_id).click(function() {
- var cid = prompt("Please enter layer ID", "");
- if (cid) {
- confMan.modCommand("vid-layer", x, cid);
- }
- });
-
- $("#" + layer_next_id).click(function() {
- confMan.modCommand("vid-layer", x, "next");
- });
- $("#" + layer_prev_id).click(function() {
- confMan.modCommand("vid-layer", x, "prev");
- });
-
- $("#" + canvas_in_set_id).click(function() {
- var cid = prompt("Please enter canvas ID", "");
- if (cid) {
- confMan.modCommand("vid-canvas", x, cid);
- }
- });
-
- $("#" + canvas_out_set_id).click(function() {
- var cid = prompt("Please enter canvas ID", "");
- if (cid) {
- confMan.modCommand("vid-watching-canvas", x, cid);
- }
- });
-
- $("#" + canvas_in_next_id).click(function() {
- confMan.modCommand("vid-canvas", x, "next");
- });
- $("#" + canvas_in_prev_id).click(function() {
- confMan.modCommand("vid-canvas", x, "prev");
- });
-
-
- $("#" + canvas_out_next_id).click(function() {
- confMan.modCommand("vid-watching-canvas", x, "next");
- });
- $("#" + canvas_out_prev_id).click(function() {
- confMan.modCommand("vid-watching-canvas", x, "prev");
- });
-
- $("#" + tmute_id).click(function() {
- confMan.modCommand("tmute", x);
- });
-
- if (confMan.params.hasVid) {
- $("#" + tvmute_id).click(function() {
- confMan.modCommand("tvmute", x);
- });
- $("#" + tvpresenter_id).click(function() {
- confMan.modCommand("vid-res-id", x, "presenter");
- });
- $("#" + tvfloor_id).click(function() {
- confMan.modCommand("vid-floor", x, "force");
- });
- $("#" + vbanner_id).click(function() {
- var text = prompt("Please enter text", "");
- if (text) {
- confMan.modCommand("vid-banner", x, escape(text));
- }
- });
- }
-
- $("#" + gainup_id).click(function() {
- confMan.modCommand("volume_in", x, "up");
- });
-
- $("#" + gaindn_id).click(function() {
- confMan.modCommand("volume_in", x, "down");
- });
-
- $("#" + volup_id).click(function() {
- confMan.modCommand("volume_out", x, "up");
- });
-
- $("#" + voldn_id).click(function() {
- confMan.modCommand("volume_out", x, "down");
- });
-
- return html;
- }
-
- var atitle = "";
- var awidth = 0;
-
- //$(".jsDataTable").width(confMan.params.hasVid ? "900px" : "800px");
-
- verto.subscribe(confMan.params.laData.infoChannel, {
- handler: function(v, e) {
- if (typeof(confMan.params.infoCallback) === "function") {
- confMan.params.infoCallback(v,e);
- }
- }
- });
-
- verto.subscribe(confMan.params.laData.chatChannel, {
- handler: function(v, e) {
- if (typeof(confMan.params.chatCallback) === "function") {
- confMan.params.chatCallback(v,e);
- }
- }
- });
-
- if (confMan.params.laData.role === "moderator") {
- atitle = "Action";
- awidth = 600;
-
- if (confMan.params.mainModID) {
- genMainMod($(confMan.params.mainModID));
- $(confMan.params.displayID).html("Moderator Controls Ready= 14393 &&
- url.indexOf('?transport=udp') === -1;
- });
-
- delete server.url;
- server.urls = isString ? urls[0] : urls;
- return !!urls.length;
- }
- });
-}
-
-// Determines the intersection of local and remote capabilities.
-function getCommonCapabilities(localCapabilities, remoteCapabilities) {
- var commonCapabilities = {
- codecs: [],
- headerExtensions: [],
- fecMechanisms: []
- };
-
- var findCodecByPayloadType = function(pt, codecs) {
- pt = parseInt(pt, 10);
- for (var i = 0; i < codecs.length; i++) {
- if (codecs[i].payloadType === pt ||
- codecs[i].preferredPayloadType === pt) {
- return codecs[i];
- }
- }
- };
-
- var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) {
- var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);
- var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);
- return lCodec && rCodec &&
- lCodec.name.toLowerCase() === rCodec.name.toLowerCase();
- };
-
- localCapabilities.codecs.forEach(function(lCodec) {
- for (var i = 0; i < remoteCapabilities.codecs.length; i++) {
- var rCodec = remoteCapabilities.codecs[i];
- if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() &&
- lCodec.clockRate === rCodec.clockRate) {
- if (lCodec.name.toLowerCase() === 'rtx' &&
- lCodec.parameters && rCodec.parameters.apt) {
- // for RTX we need to find the local rtx that has a apt
- // which points to the same local codec as the remote one.
- if (!rtxCapabilityMatches(lCodec, rCodec,
- localCapabilities.codecs, remoteCapabilities.codecs)) {
- continue;
- }
- }
- rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy
- // number of channels is the highest common number of channels
- rCodec.numChannels = Math.min(lCodec.numChannels,
- rCodec.numChannels);
- // push rCodec so we reply with offerer payload type
- commonCapabilities.codecs.push(rCodec);
-
- // determine common feedback mechanisms
- rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) {
- for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {
- if (lCodec.rtcpFeedback[j].type === fb.type &&
- lCodec.rtcpFeedback[j].parameter === fb.parameter) {
- return true;
- }
- }
- return false;
- });
- // FIXME: also need to determine .parameters
- // see https://github.com/openpeer/ortc/issues/569
- break;
- }
- }
- });
-
- localCapabilities.headerExtensions.forEach(function(lHeaderExtension) {
- for (var i = 0; i < remoteCapabilities.headerExtensions.length;
- i++) {
- var rHeaderExtension = remoteCapabilities.headerExtensions[i];
- if (lHeaderExtension.uri === rHeaderExtension.uri) {
- commonCapabilities.headerExtensions.push(rHeaderExtension);
- break;
- }
- }
- });
-
- // FIXME: fecMechanisms
- return commonCapabilities;
-}
-
-// is action=setLocalDescription with type allowed in signalingState
-function isActionAllowedInSignalingState(action, type, signalingState) {
- return {
- offer: {
- setLocalDescription: ['stable', 'have-local-offer'],
- setRemoteDescription: ['stable', 'have-remote-offer']
- },
- answer: {
- setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],
- setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']
- }
- }[type][action].indexOf(signalingState) !== -1;
-}
-
-function maybeAddCandidate(iceTransport, candidate) {
- // Edge's internal representation adds some fields therefore
- // not all fieldѕ are taken into account.
- var alreadyAdded = iceTransport.getRemoteCandidates()
- .find(function(remoteCandidate) {
- return candidate.foundation === remoteCandidate.foundation &&
- candidate.ip === remoteCandidate.ip &&
- candidate.port === remoteCandidate.port &&
- candidate.priority === remoteCandidate.priority &&
- candidate.protocol === remoteCandidate.protocol &&
- candidate.type === remoteCandidate.type;
- });
- if (!alreadyAdded) {
- iceTransport.addRemoteCandidate(candidate);
- }
- return !alreadyAdded;
-}
-
-
-// https://w3c.github.io/mediacapture-main/#mediastream
-// Helper function to add the track to the stream and
-// dispatch the event ourselves.
-function addTrackToStreamAndFireEvent(track, stream) {
- stream.addTrack(track);
- var e = new Event('addtrack'); // TODO: MediaStreamTrackEvent
- e.track = track;
- stream.dispatchEvent(e);
-}
-
-function removeTrackFromStreamAndFireEvent(track, stream) {
- stream.removeTrack(track);
- var e = new Event('removetrack'); // TODO: MediaStreamTrackEvent
- e.track = track;
- stream.dispatchEvent(e);
-}
-
-function fireAddTrack(pc, track, receiver, streams) {
- var trackEvent = new Event('track');
- trackEvent.track = track;
- trackEvent.receiver = receiver;
- trackEvent.transceiver = {receiver: receiver};
- trackEvent.streams = streams;
- window.setTimeout(function() {
- pc._dispatchEvent('track', trackEvent);
- });
-}
-
-function makeError(name, description) {
- var e = new Error(description);
- e.name = name;
- return e;
-}
-
-module.exports = function(window, edgeVersion) {
- var RTCPeerConnection = function(config) {
- var pc = this;
-
- var _eventTarget = document.createDocumentFragment();
- ['addEventListener', 'removeEventListener', 'dispatchEvent']
- .forEach(function(method) {
- pc[method] = _eventTarget[method].bind(_eventTarget);
- });
-
- this.canTrickleIceCandidates = null;
-
- this.needNegotiation = false;
-
- this.localStreams = [];
- this.remoteStreams = [];
-
- this.localDescription = null;
- this.remoteDescription = null;
-
- this.signalingState = 'stable';
- this.iceConnectionState = 'new';
- this.iceGatheringState = 'new';
-
- config = JSON.parse(JSON.stringify(config || {}));
-
- this.usingBundle = config.bundlePolicy === 'max-bundle';
- if (config.rtcpMuxPolicy === 'negotiate') {
- throw(makeError('NotSupportedError',
- 'rtcpMuxPolicy \'negotiate\' is not supported'));
- } else if (!config.rtcpMuxPolicy) {
- config.rtcpMuxPolicy = 'require';
- }
-
- switch (config.iceTransportPolicy) {
- case 'all':
- case 'relay':
- break;
- default:
- config.iceTransportPolicy = 'all';
- break;
- }
-
- switch (config.bundlePolicy) {
- case 'balanced':
- case 'max-compat':
- case 'max-bundle':
- break;
- default:
- config.bundlePolicy = 'balanced';
- break;
- }
-
- config.iceServers = filterIceServers(config.iceServers || [], edgeVersion);
-
- this._iceGatherers = [];
- if (config.iceCandidatePoolSize) {
- for (var i = config.iceCandidatePoolSize; i > 0; i--) {
- this._iceGatherers = new window.RTCIceGatherer({
- iceServers: config.iceServers,
- gatherPolicy: config.iceTransportPolicy
- });
- }
- } else {
- config.iceCandidatePoolSize = 0;
- }
-
- this._config = config;
-
- // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...
- // everything that is needed to describe a SDP m-line.
- this.transceivers = [];
-
- this._sdpSessionId = SDPUtils.generateSessionId();
- this._sdpSessionVersion = 0;
-
- this._dtlsRole = undefined; // role for a=setup to use in answers.
-
- this._isClosed = false;
- };
-
- // set up event handlers on prototype
- RTCPeerConnection.prototype.onicecandidate = null;
- RTCPeerConnection.prototype.onaddstream = null;
- RTCPeerConnection.prototype.ontrack = null;
- RTCPeerConnection.prototype.onremovestream = null;
- RTCPeerConnection.prototype.onsignalingstatechange = null;
- RTCPeerConnection.prototype.oniceconnectionstatechange = null;
- RTCPeerConnection.prototype.onicegatheringstatechange = null;
- RTCPeerConnection.prototype.onnegotiationneeded = null;
- RTCPeerConnection.prototype.ondatachannel = null;
-
- RTCPeerConnection.prototype._dispatchEvent = function(name, event) {
- if (this._isClosed) {
- return;
- }
- this.dispatchEvent(event);
- if (typeof this['on' + name] === 'function') {
- this['on' + name](event);
- }
- };
-
- RTCPeerConnection.prototype._emitGatheringStateChange = function() {
- var event = new Event('icegatheringstatechange');
- this._dispatchEvent('icegatheringstatechange', event);
- };
-
- RTCPeerConnection.prototype.getConfiguration = function() {
- return this._config;
- };
-
- RTCPeerConnection.prototype.getLocalStreams = function() {
- return this.localStreams;
- };
-
- RTCPeerConnection.prototype.getRemoteStreams = function() {
- return this.remoteStreams;
- };
-
- // internal helper to create a transceiver object.
- // (whih is not yet the same as the WebRTC 1.0 transceiver)
- RTCPeerConnection.prototype._createTransceiver = function(kind) {
- var hasBundleTransport = this.transceivers.length > 0;
- var transceiver = {
- track: null,
- iceGatherer: null,
- iceTransport: null,
- dtlsTransport: null,
- localCapabilities: null,
- remoteCapabilities: null,
- rtpSender: null,
- rtpReceiver: null,
- kind: kind,
- mid: null,
- sendEncodingParameters: null,
- recvEncodingParameters: null,
- stream: null,
- associatedRemoteMediaStreams: [],
- wantReceive: true
- };
- if (this.usingBundle && hasBundleTransport) {
- transceiver.iceTransport = this.transceivers[0].iceTransport;
- transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;
- } else {
- var transports = this._createIceAndDtlsTransports();
- transceiver.iceTransport = transports.iceTransport;
- transceiver.dtlsTransport = transports.dtlsTransport;
- }
- this.transceivers.push(transceiver);
- return transceiver;
- };
-
- RTCPeerConnection.prototype.addTrack = function(track, stream) {
- var alreadyExists = this.transceivers.find(function(s) {
- return s.track === track;
- });
-
- if (alreadyExists) {
- throw makeError('InvalidAccessError', 'Track already exists.');
- }
-
- if (this.signalingState === 'closed') {
- throw makeError('InvalidStateError',
- 'Attempted to call addTrack on a closed peerconnection.');
- }
-
- var transceiver;
- for (var i = 0; i < this.transceivers.length; i++) {
- if (!this.transceivers[i].track &&
- this.transceivers[i].kind === track.kind) {
- transceiver = this.transceivers[i];
- }
- }
- if (!transceiver) {
- transceiver = this._createTransceiver(track.kind);
- }
-
- this._maybeFireNegotiationNeeded();
-
- if (this.localStreams.indexOf(stream) === -1) {
- this.localStreams.push(stream);
- }
-
- transceiver.track = track;
- transceiver.stream = stream;
- transceiver.rtpSender = new window.RTCRtpSender(track,
- transceiver.dtlsTransport);
- return transceiver.rtpSender;
- };
-
- RTCPeerConnection.prototype.addStream = function(stream) {
- var pc = this;
- if (edgeVersion >= 15025) {
- stream.getTracks().forEach(function(track) {
- pc.addTrack(track, stream);
- });
- } else {
- // Clone is necessary for local demos mostly, attaching directly
- // to two different senders does not work (build 10547).
- // Fixed in 15025 (or earlier)
- var clonedStream = stream.clone();
- stream.getTracks().forEach(function(track, idx) {
- var clonedTrack = clonedStream.getTracks()[idx];
- track.addEventListener('enabled', function(event) {
- clonedTrack.enabled = event.enabled;
- });
- });
- clonedStream.getTracks().forEach(function(track) {
- pc.addTrack(track, clonedStream);
- });
- }
- };
-
- RTCPeerConnection.prototype.removeTrack = function(sender) {
- if (!(sender instanceof window.RTCRtpSender)) {
- throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' +
- 'does not implement interface RTCRtpSender.');
- }
-
- var transceiver = this.transceivers.find(function(t) {
- return t.rtpSender === sender;
- });
-
- if (!transceiver) {
- throw makeError('InvalidAccessError',
- 'Sender was not created by this connection.');
- }
- var stream = transceiver.stream;
-
- transceiver.rtpSender.stop();
- transceiver.rtpSender = null;
- transceiver.track = null;
- transceiver.stream = null;
-
- // remove the stream from the set of local streams
- var localStreams = this.transceivers.map(function(t) {
- return t.stream;
- });
- if (localStreams.indexOf(stream) === -1 &&
- this.localStreams.indexOf(stream) > -1) {
- this.localStreams.splice(this.localStreams.indexOf(stream), 1);
- }
-
- this._maybeFireNegotiationNeeded();
- };
-
- RTCPeerConnection.prototype.removeStream = function(stream) {
- var pc = this;
- stream.getTracks().forEach(function(track) {
- var sender = pc.getSenders().find(function(s) {
- return s.track === track;
- });
- if (sender) {
- pc.removeTrack(sender);
- }
- });
- };
-
- RTCPeerConnection.prototype.getSenders = function() {
- return this.transceivers.filter(function(transceiver) {
- return !!transceiver.rtpSender;
- })
- .map(function(transceiver) {
- return transceiver.rtpSender;
- });
- };
-
- RTCPeerConnection.prototype.getReceivers = function() {
- return this.transceivers.filter(function(transceiver) {
- return !!transceiver.rtpReceiver;
- })
- .map(function(transceiver) {
- return transceiver.rtpReceiver;
- });
- };
-
-
- RTCPeerConnection.prototype._createIceGatherer = function(sdpMLineIndex,
- usingBundle) {
- var pc = this;
- if (usingBundle && sdpMLineIndex > 0) {
- return this.transceivers[0].iceGatherer;
- } else if (this._iceGatherers.length) {
- return this._iceGatherers.shift();
- }
- var iceGatherer = new window.RTCIceGatherer({
- iceServers: this._config.iceServers,
- gatherPolicy: this._config.iceTransportPolicy
- });
- Object.defineProperty(iceGatherer, 'state',
- {value: 'new', writable: true}
- );
-
- this.transceivers[sdpMLineIndex].candidates = [];
- this.transceivers[sdpMLineIndex].bufferCandidates = function(event) {
- var end = !event.candidate || Object.keys(event.candidate).length === 0;
- // polyfill since RTCIceGatherer.state is not implemented in
- // Edge 10547 yet.
- iceGatherer.state = end ? 'completed' : 'gathering';
- if (pc.transceivers[sdpMLineIndex].candidates !== null) {
- pc.transceivers[sdpMLineIndex].candidates.push(event.candidate);
- }
- };
- iceGatherer.addEventListener('localcandidate',
- this.transceivers[sdpMLineIndex].bufferCandidates);
- return iceGatherer;
- };
-
- // start gathering from an RTCIceGatherer.
- RTCPeerConnection.prototype._gather = function(mid, sdpMLineIndex) {
- var pc = this;
- var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
- if (iceGatherer.onlocalcandidate) {
- return;
- }
- var candidates = this.transceivers[sdpMLineIndex].candidates;
- this.transceivers[sdpMLineIndex].candidates = null;
- iceGatherer.removeEventListener('localcandidate',
- this.transceivers[sdpMLineIndex].bufferCandidates);
- iceGatherer.onlocalcandidate = function(evt) {
- if (pc.usingBundle && sdpMLineIndex > 0) {
- // if we know that we use bundle we can drop candidates with
- // Ñ•dpMLineIndex > 0. If we don't do this then our state gets
- // confused since we dispose the extra ice gatherer.
- return;
- }
- var event = new Event('icecandidate');
- event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex};
-
- var cand = evt.candidate;
- // Edge emits an empty object for RTCIceCandidateComplete‥
- var end = !cand || Object.keys(cand).length === 0;
- if (end) {
- // polyfill since RTCIceGatherer.state is not implemented in
- // Edge 10547 yet.
- if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') {
- iceGatherer.state = 'completed';
- }
- } else {
- if (iceGatherer.state === 'new') {
- iceGatherer.state = 'gathering';
- }
- // RTCIceCandidate doesn't have a component, needs to be added
- cand.component = 1;
- event.candidate.candidate = SDPUtils.writeCandidate(cand);
- }
-
- // update local description.
- var sections = SDPUtils.splitSections(pc.localDescription.sdp);
- if (!end) {
- sections[event.candidate.sdpMLineIndex + 1] +=
- 'a=' + event.candidate.candidate + '\r\n';
- } else {
- sections[event.candidate.sdpMLineIndex + 1] +=
- 'a=end-of-candidates\r\n';
- }
- pc.localDescription.sdp = sections.join('');
- var complete = pc.transceivers.every(function(transceiver) {
- return transceiver.iceGatherer &&
- transceiver.iceGatherer.state === 'completed';
- });
-
- if (pc.iceGatheringState !== 'gathering') {
- pc.iceGatheringState = 'gathering';
- pc._emitGatheringStateChange();
- }
-
- // Emit candidate. Also emit null candidate when all gatherers are
- // complete.
- if (!end) {
- pc._dispatchEvent('icecandidate', event);
- }
- if (complete) {
- pc._dispatchEvent('icecandidate', new Event('icecandidate'));
- pc.iceGatheringState = 'complete';
- pc._emitGatheringStateChange();
- }
- };
-
- // emit already gathered candidates.
- window.setTimeout(function() {
- candidates.forEach(function(candidate) {
- var e = new Event('RTCIceGatherEvent');
- e.candidate = candidate;
- iceGatherer.onlocalcandidate(e);
- });
- }, 0);
- };
-
- // Create ICE transport and DTLS transport.
- RTCPeerConnection.prototype._createIceAndDtlsTransports = function() {
- var pc = this;
- var iceTransport = new window.RTCIceTransport(null);
- iceTransport.onicestatechange = function() {
- pc._updateConnectionState();
- };
-
- var dtlsTransport = new window.RTCDtlsTransport(iceTransport);
- dtlsTransport.ondtlsstatechange = function() {
- pc._updateConnectionState();
- };
- dtlsTransport.onerror = function() {
- // onerror does not set state to failed by itpc.
- Object.defineProperty(dtlsTransport, 'state',
- {value: 'failed', writable: true});
- pc._updateConnectionState();
- };
-
- return {
- iceTransport: iceTransport,
- dtlsTransport: dtlsTransport
- };
- };
-
- // Destroy ICE gatherer, ICE transport and DTLS transport.
- // Without triggering the callbacks.
- RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function(
- sdpMLineIndex) {
- var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
- if (iceGatherer) {
- delete iceGatherer.onlocalcandidate;
- delete this.transceivers[sdpMLineIndex].iceGatherer;
- }
- var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;
- if (iceTransport) {
- delete iceTransport.onicestatechange;
- delete this.transceivers[sdpMLineIndex].iceTransport;
- }
- var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;
- if (dtlsTransport) {
- delete dtlsTransport.ondtlsstatechange;
- delete dtlsTransport.onerror;
- delete this.transceivers[sdpMLineIndex].dtlsTransport;
- }
- };
-
- // Start the RTP Sender and Receiver for a transceiver.
- RTCPeerConnection.prototype._transceive = function(transceiver,
- send, recv) {
- var params = getCommonCapabilities(transceiver.localCapabilities,
- transceiver.remoteCapabilities);
- if (send && transceiver.rtpSender) {
- params.encodings = transceiver.sendEncodingParameters;
- params.rtcp = {
- cname: SDPUtils.localCName,
- compound: transceiver.rtcpParameters.compound
- };
- if (transceiver.recvEncodingParameters.length) {
- params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;
- }
- transceiver.rtpSender.send(params);
- }
- if (recv && transceiver.rtpReceiver && params.codecs.length > 0) {
- // remove RTX field in Edge 14942
- if (transceiver.kind === 'video'
- && transceiver.recvEncodingParameters
- && edgeVersion < 15019) {
- transceiver.recvEncodingParameters.forEach(function(p) {
- delete p.rtx;
- });
- }
- if (transceiver.recvEncodingParameters.length) {
- params.encodings = transceiver.recvEncodingParameters;
- }
- params.rtcp = {
- compound: transceiver.rtcpParameters.compound
- };
- if (transceiver.rtcpParameters.cname) {
- params.rtcp.cname = transceiver.rtcpParameters.cname;
- }
- if (transceiver.sendEncodingParameters.length) {
- params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;
- }
- transceiver.rtpReceiver.receive(params);
- }
- };
-
- RTCPeerConnection.prototype.setLocalDescription = function(description) {
- var pc = this;
-
- if (!isActionAllowedInSignalingState('setLocalDescription',
- description.type, this.signalingState) || this._isClosed) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not set local ' + description.type +
- ' in state ' + pc.signalingState));
- }
-
- var sections;
- var sessionpart;
- if (description.type === 'offer') {
- // VERY limited support for SDP munging. Limited to:
- // * changing the order of codecs
- sections = SDPUtils.splitSections(description.sdp);
- sessionpart = sections.shift();
- sections.forEach(function(mediaSection, sdpMLineIndex) {
- var caps = SDPUtils.parseRtpParameters(mediaSection);
- pc.transceivers[sdpMLineIndex].localCapabilities = caps;
- });
-
- this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
- pc._gather(transceiver.mid, sdpMLineIndex);
- });
- } else if (description.type === 'answer') {
- sections = SDPUtils.splitSections(pc.remoteDescription.sdp);
- sessionpart = sections.shift();
- var isIceLite = SDPUtils.matchPrefix(sessionpart,
- 'a=ice-lite').length > 0;
- sections.forEach(function(mediaSection, sdpMLineIndex) {
- var transceiver = pc.transceivers[sdpMLineIndex];
- var iceGatherer = transceiver.iceGatherer;
- var iceTransport = transceiver.iceTransport;
- var dtlsTransport = transceiver.dtlsTransport;
- var localCapabilities = transceiver.localCapabilities;
- var remoteCapabilities = transceiver.remoteCapabilities;
-
- // treat bundle-only as not-rejected.
- var rejected = SDPUtils.isRejected(mediaSection) &&
- SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
-
- if (!rejected && !transceiver.isDatachannel) {
- var remoteIceParameters = SDPUtils.getIceParameters(
- mediaSection, sessionpart);
- var remoteDtlsParameters = SDPUtils.getDtlsParameters(
- mediaSection, sessionpart);
- if (isIceLite) {
- remoteDtlsParameters.role = 'server';
- }
-
- if (!pc.usingBundle || sdpMLineIndex === 0) {
- pc._gather(transceiver.mid, sdpMLineIndex);
- if (iceTransport.state === 'new') {
- iceTransport.start(iceGatherer, remoteIceParameters,
- isIceLite ? 'controlling' : 'controlled');
- }
- if (dtlsTransport.state === 'new') {
- dtlsTransport.start(remoteDtlsParameters);
- }
- }
-
- // Calculate intersection of capabilities.
- var params = getCommonCapabilities(localCapabilities,
- remoteCapabilities);
-
- // Start the RTCRtpSender. The RTCRtpReceiver for this
- // transceiver has already been started in setRemoteDescription.
- pc._transceive(transceiver,
- params.codecs.length > 0,
- false);
- }
- });
- }
-
- this.localDescription = {
- type: description.type,
- sdp: description.sdp
- };
- switch (description.type) {
- case 'offer':
- this._updateSignalingState('have-local-offer');
- break;
- case 'answer':
- this._updateSignalingState('stable');
- break;
- default:
- throw new TypeError('unsupported type "' + description.type +
- '"');
- }
-
- return Promise.resolve();
- };
-
- RTCPeerConnection.prototype.setRemoteDescription = function(description) {
- var pc = this;
-
- if (!isActionAllowedInSignalingState('setRemoteDescription',
- description.type, this.signalingState) || this._isClosed) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not set remote ' + description.type +
- ' in state ' + pc.signalingState));
- }
-
- var streams = {};
- this.remoteStreams.forEach(function(stream) {
- streams[stream.id] = stream;
- });
- var receiverList = [];
- var sections = SDPUtils.splitSections(description.sdp);
- var sessionpart = sections.shift();
- var isIceLite = SDPUtils.matchPrefix(sessionpart,
- 'a=ice-lite').length > 0;
- var usingBundle = SDPUtils.matchPrefix(sessionpart,
- 'a=group:BUNDLE ').length > 0;
- this.usingBundle = usingBundle;
- var iceOptions = SDPUtils.matchPrefix(sessionpart,
- 'a=ice-options:')[0];
- if (iceOptions) {
- this.canTrickleIceCandidates = iceOptions.substr(14).split(' ')
- .indexOf('trickle') >= 0;
- } else {
- this.canTrickleIceCandidates = false;
- }
-
- sections.forEach(function(mediaSection, sdpMLineIndex) {
- var lines = SDPUtils.splitLines(mediaSection);
- var kind = SDPUtils.getKind(mediaSection);
- // treat bundle-only as not-rejected.
- var rejected = SDPUtils.isRejected(mediaSection) &&
- SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
- var protocol = lines[0].substr(2).split(' ')[2];
-
- var direction = SDPUtils.getDirection(mediaSection, sessionpart);
- var remoteMsid = SDPUtils.parseMsid(mediaSection);
-
- var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier();
-
- // Reject datachannels which are not implemented yet.
- if (kind === 'application' && protocol === 'DTLS/SCTP') {
- pc.transceivers[sdpMLineIndex] = {
- mid: mid,
- isDatachannel: true
- };
- return;
- }
-
- var transceiver;
- var iceGatherer;
- var iceTransport;
- var dtlsTransport;
- var rtpReceiver;
- var sendEncodingParameters;
- var recvEncodingParameters;
- var localCapabilities;
-
- var track;
- // FIXME: ensure the mediaSection has rtcp-mux set.
- var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);
- var remoteIceParameters;
- var remoteDtlsParameters;
- if (!rejected) {
- remoteIceParameters = SDPUtils.getIceParameters(mediaSection,
- sessionpart);
- remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection,
- sessionpart);
- remoteDtlsParameters.role = 'client';
- }
- recvEncodingParameters =
- SDPUtils.parseRtpEncodingParameters(mediaSection);
-
- var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);
-
- var isComplete = SDPUtils.matchPrefix(mediaSection,
- 'a=end-of-candidates', sessionpart).length > 0;
- var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')
- .map(function(cand) {
- return SDPUtils.parseCandidate(cand);
- })
- .filter(function(cand) {
- return cand.component === 1;
- });
-
- // Check if we can use BUNDLE and dispose transports.
- if ((description.type === 'offer' || description.type === 'answer') &&
- !rejected && usingBundle && sdpMLineIndex > 0 &&
- pc.transceivers[sdpMLineIndex]) {
- pc._disposeIceAndDtlsTransports(sdpMLineIndex);
- pc.transceivers[sdpMLineIndex].iceGatherer =
- pc.transceivers[0].iceGatherer;
- pc.transceivers[sdpMLineIndex].iceTransport =
- pc.transceivers[0].iceTransport;
- pc.transceivers[sdpMLineIndex].dtlsTransport =
- pc.transceivers[0].dtlsTransport;
- if (pc.transceivers[sdpMLineIndex].rtpSender) {
- pc.transceivers[sdpMLineIndex].rtpSender.setTransport(
- pc.transceivers[0].dtlsTransport);
- }
- if (pc.transceivers[sdpMLineIndex].rtpReceiver) {
- pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(
- pc.transceivers[0].dtlsTransport);
- }
- }
- if (description.type === 'offer' && !rejected) {
- transceiver = pc.transceivers[sdpMLineIndex] ||
- pc._createTransceiver(kind);
- transceiver.mid = mid;
-
- if (!transceiver.iceGatherer) {
- transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
- usingBundle);
- }
-
- if (cands.length && transceiver.iceTransport.state === 'new') {
- if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {
- transceiver.iceTransport.setRemoteCandidates(cands);
- } else {
- cands.forEach(function(candidate) {
- maybeAddCandidate(transceiver.iceTransport, candidate);
- });
- }
- }
-
- localCapabilities = window.RTCRtpReceiver.getCapabilities(kind);
-
- // filter RTX until additional stuff needed for RTX is implemented
- // in adapter.js
- if (edgeVersion < 15019) {
- localCapabilities.codecs = localCapabilities.codecs.filter(
- function(codec) {
- return codec.name !== 'rtx';
- });
- }
-
- sendEncodingParameters = transceiver.sendEncodingParameters || [{
- ssrc: (2 * sdpMLineIndex + 2) * 1001
- }];
-
- // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
- var isNewTrack = false;
- if (direction === 'sendrecv' || direction === 'sendonly') {
- isNewTrack = !transceiver.rtpReceiver;
- rtpReceiver = transceiver.rtpReceiver ||
- new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);
-
- if (isNewTrack) {
- var stream;
- track = rtpReceiver.track;
- // FIXME: does not work with Plan B.
- if (remoteMsid && remoteMsid.stream === '-') {
- // no-op. a stream id of '-' means: no associated stream.
- } else if (remoteMsid) {
- if (!streams[remoteMsid.stream]) {
- streams[remoteMsid.stream] = new window.MediaStream();
- Object.defineProperty(streams[remoteMsid.stream], 'id', {
- get: function() {
- return remoteMsid.stream;
- }
- });
- }
- Object.defineProperty(track, 'id', {
- get: function() {
- return remoteMsid.track;
- }
- });
- stream = streams[remoteMsid.stream];
- } else {
- if (!streams.default) {
- streams.default = new window.MediaStream();
- }
- stream = streams.default;
- }
- if (stream) {
- addTrackToStreamAndFireEvent(track, stream);
- transceiver.associatedRemoteMediaStreams.push(stream);
- }
- receiverList.push([track, rtpReceiver, stream]);
- }
- } else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) {
- transceiver.associatedRemoteMediaStreams.forEach(function(s) {
- var nativeTrack = s.getTracks().find(function(t) {
- return t.id === transceiver.rtpReceiver.track.id;
- });
- if (nativeTrack) {
- removeTrackFromStreamAndFireEvent(nativeTrack, s);
- }
- });
- transceiver.associatedRemoteMediaStreams = [];
- }
-
- transceiver.localCapabilities = localCapabilities;
- transceiver.remoteCapabilities = remoteCapabilities;
- transceiver.rtpReceiver = rtpReceiver;
- transceiver.rtcpParameters = rtcpParameters;
- transceiver.sendEncodingParameters = sendEncodingParameters;
- transceiver.recvEncodingParameters = recvEncodingParameters;
-
- // Start the RTCRtpReceiver now. The RTPSender is started in
- // setLocalDescription.
- pc._transceive(pc.transceivers[sdpMLineIndex],
- false,
- isNewTrack);
- } else if (description.type === 'answer' && !rejected) {
- transceiver = pc.transceivers[sdpMLineIndex];
- iceGatherer = transceiver.iceGatherer;
- iceTransport = transceiver.iceTransport;
- dtlsTransport = transceiver.dtlsTransport;
- rtpReceiver = transceiver.rtpReceiver;
- sendEncodingParameters = transceiver.sendEncodingParameters;
- localCapabilities = transceiver.localCapabilities;
-
- pc.transceivers[sdpMLineIndex].recvEncodingParameters =
- recvEncodingParameters;
- pc.transceivers[sdpMLineIndex].remoteCapabilities =
- remoteCapabilities;
- pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;
-
- if (cands.length && iceTransport.state === 'new') {
- if ((isIceLite || isComplete) &&
- (!usingBundle || sdpMLineIndex === 0)) {
- iceTransport.setRemoteCandidates(cands);
- } else {
- cands.forEach(function(candidate) {
- maybeAddCandidate(transceiver.iceTransport, candidate);
- });
- }
- }
-
- if (!usingBundle || sdpMLineIndex === 0) {
- if (iceTransport.state === 'new') {
- iceTransport.start(iceGatherer, remoteIceParameters,
- 'controlling');
- }
- if (dtlsTransport.state === 'new') {
- dtlsTransport.start(remoteDtlsParameters);
- }
- }
-
- pc._transceive(transceiver,
- direction === 'sendrecv' || direction === 'recvonly',
- direction === 'sendrecv' || direction === 'sendonly');
-
- // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
- if (rtpReceiver &&
- (direction === 'sendrecv' || direction === 'sendonly')) {
- track = rtpReceiver.track;
- if (remoteMsid) {
- if (!streams[remoteMsid.stream]) {
- streams[remoteMsid.stream] = new window.MediaStream();
- }
- addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]);
- receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);
- } else {
- if (!streams.default) {
- streams.default = new window.MediaStream();
- }
- addTrackToStreamAndFireEvent(track, streams.default);
- receiverList.push([track, rtpReceiver, streams.default]);
- }
- } else {
- // FIXME: actually the receiver should be created later.
- delete transceiver.rtpReceiver;
- }
- }
- });
-
- if (this._dtlsRole === undefined) {
- this._dtlsRole = description.type === 'offer' ? 'active' : 'passive';
- }
-
- this.remoteDescription = {
- type: description.type,
- sdp: description.sdp
- };
- switch (description.type) {
- case 'offer':
- this._updateSignalingState('have-remote-offer');
- break;
- case 'answer':
- this._updateSignalingState('stable');
- break;
- default:
- throw new TypeError('unsupported type "' + description.type +
- '"');
- }
- Object.keys(streams).forEach(function(sid) {
- var stream = streams[sid];
- if (stream.getTracks().length) {
- if (pc.remoteStreams.indexOf(stream) === -1) {
- pc.remoteStreams.push(stream);
- var event = new Event('addstream');
- event.stream = stream;
- window.setTimeout(function() {
- pc._dispatchEvent('addstream', event);
- });
- }
-
- receiverList.forEach(function(item) {
- var track = item[0];
- var receiver = item[1];
- if (stream.id !== item[2].id) {
- return;
- }
- fireAddTrack(pc, track, receiver, [stream]);
- });
- }
- });
- receiverList.forEach(function(item) {
- if (item[2]) {
- return;
- }
- fireAddTrack(pc, item[0], item[1], []);
- });
-
- // check whether addIceCandidate({}) was called within four seconds after
- // setRemoteDescription.
- window.setTimeout(function() {
- if (!(pc && pc.transceivers)) {
- return;
- }
- pc.transceivers.forEach(function(transceiver) {
- if (transceiver.iceTransport &&
- transceiver.iceTransport.state === 'new' &&
- transceiver.iceTransport.getRemoteCandidates().length > 0) {
- console.warn('Timeout for addRemoteCandidate. Consider sending ' +
- 'an end-of-candidates notification');
- transceiver.iceTransport.addRemoteCandidate({});
- }
- });
- }, 4000);
-
- return Promise.resolve();
- };
-
- RTCPeerConnection.prototype.close = function() {
- this.transceivers.forEach(function(transceiver) {
- /* not yet
- if (transceiver.iceGatherer) {
- transceiver.iceGatherer.close();
- }
- */
- if (transceiver.iceTransport) {
- transceiver.iceTransport.stop();
- }
- if (transceiver.dtlsTransport) {
- transceiver.dtlsTransport.stop();
- }
- if (transceiver.rtpSender) {
- transceiver.rtpSender.stop();
- }
- if (transceiver.rtpReceiver) {
- transceiver.rtpReceiver.stop();
- }
- });
- // FIXME: clean up tracks, local streams, remote streams, etc
- this._isClosed = true;
- this._updateSignalingState('closed');
- };
-
- // Update the signaling state.
- RTCPeerConnection.prototype._updateSignalingState = function(newState) {
- this.signalingState = newState;
- var event = new Event('signalingstatechange');
- this._dispatchEvent('signalingstatechange', event);
- };
-
- // Determine whether to fire the negotiationneeded event.
- RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() {
- var pc = this;
- if (this.signalingState !== 'stable' || this.needNegotiation === true) {
- return;
- }
- this.needNegotiation = true;
- window.setTimeout(function() {
- if (pc.needNegotiation === false) {
- return;
- }
- pc.needNegotiation = false;
- var event = new Event('negotiationneeded');
- pc._dispatchEvent('negotiationneeded', event);
- }, 0);
- };
-
- // Update the connection state.
- RTCPeerConnection.prototype._updateConnectionState = function() {
- var newState;
- var states = {
- 'new': 0,
- closed: 0,
- connecting: 0,
- checking: 0,
- connected: 0,
- completed: 0,
- disconnected: 0,
- failed: 0
- };
- this.transceivers.forEach(function(transceiver) {
- states[transceiver.iceTransport.state]++;
- states[transceiver.dtlsTransport.state]++;
- });
- // ICETransport.completed and connected are the same for this purpose.
- states.connected += states.completed;
-
- newState = 'new';
- if (states.failed > 0) {
- newState = 'failed';
- } else if (states.connecting > 0 || states.checking > 0) {
- newState = 'connecting';
- } else if (states.disconnected > 0) {
- newState = 'disconnected';
- } else if (states.new > 0) {
- newState = 'new';
- } else if (states.connected > 0 || states.completed > 0) {
- newState = 'connected';
- }
-
- if (newState !== this.iceConnectionState) {
- this.iceConnectionState = newState;
- var event = new Event('iceconnectionstatechange');
- this._dispatchEvent('iceconnectionstatechange', event);
- }
- };
-
- RTCPeerConnection.prototype.createOffer = function() {
- var pc = this;
-
- if (this._isClosed) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not call createOffer after close'));
- }
-
- var numAudioTracks = this.transceivers.filter(function(t) {
- return t.kind === 'audio';
- }).length;
- var numVideoTracks = this.transceivers.filter(function(t) {
- return t.kind === 'video';
- }).length;
-
- // Determine number of audio and video tracks we need to send/recv.
- var offerOptions = arguments[0];
- if (offerOptions) {
- // Reject Chrome legacy constraints.
- if (offerOptions.mandatory || offerOptions.optional) {
- throw new TypeError(
- 'Legacy mandatory/optional constraints not supported.');
- }
- if (offerOptions.offerToReceiveAudio !== undefined) {
- if (offerOptions.offerToReceiveAudio === true) {
- numAudioTracks = 1;
- } else if (offerOptions.offerToReceiveAudio === false) {
- numAudioTracks = 0;
- } else {
- numAudioTracks = offerOptions.offerToReceiveAudio;
- }
- }
- if (offerOptions.offerToReceiveVideo !== undefined) {
- if (offerOptions.offerToReceiveVideo === true) {
- numVideoTracks = 1;
- } else if (offerOptions.offerToReceiveVideo === false) {
- numVideoTracks = 0;
- } else {
- numVideoTracks = offerOptions.offerToReceiveVideo;
- }
- }
- }
-
- this.transceivers.forEach(function(transceiver) {
- if (transceiver.kind === 'audio') {
- numAudioTracks--;
- if (numAudioTracks < 0) {
- transceiver.wantReceive = false;
- }
- } else if (transceiver.kind === 'video') {
- numVideoTracks--;
- if (numVideoTracks < 0) {
- transceiver.wantReceive = false;
- }
- }
- });
-
- // Create M-lines for recvonly streams.
- while (numAudioTracks > 0 || numVideoTracks > 0) {
- if (numAudioTracks > 0) {
- this._createTransceiver('audio');
- numAudioTracks--;
- }
- if (numVideoTracks > 0) {
- this._createTransceiver('video');
- numVideoTracks--;
- }
- }
-
- var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId,
- this._sdpSessionVersion++);
- this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
- // For each track, create an ice gatherer, ice transport,
- // dtls transport, potentially rtpsender and rtpreceiver.
- var track = transceiver.track;
- var kind = transceiver.kind;
- var mid = SDPUtils.generateIdentifier();
- transceiver.mid = mid;
-
- if (!transceiver.iceGatherer) {
- transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
- pc.usingBundle);
- }
-
- var localCapabilities = window.RTCRtpSender.getCapabilities(kind);
- // filter RTX until additional stuff needed for RTX is implemented
- // in adapter.js
- if (edgeVersion < 15019) {
- localCapabilities.codecs = localCapabilities.codecs.filter(
- function(codec) {
- return codec.name !== 'rtx';
- });
- }
- localCapabilities.codecs.forEach(function(codec) {
- // work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552
- // by adding level-asymmetry-allowed=1
- if (codec.name === 'H264' &&
- codec.parameters['level-asymmetry-allowed'] === undefined) {
- codec.parameters['level-asymmetry-allowed'] = '1';
- }
- });
-
- // generate an ssrc now, to be used later in rtpSender.send
- var sendEncodingParameters = transceiver.sendEncodingParameters || [{
- ssrc: (2 * sdpMLineIndex + 1) * 1001
- }];
- if (track) {
- // add RTX
- if (edgeVersion >= 15019 && kind === 'video' &&
- !sendEncodingParameters[0].rtx) {
- sendEncodingParameters[0].rtx = {
- ssrc: sendEncodingParameters[0].ssrc + 1
- };
- }
- }
-
- if (transceiver.wantReceive) {
- transceiver.rtpReceiver = new window.RTCRtpReceiver(
- transceiver.dtlsTransport, kind);
- }
-
- transceiver.localCapabilities = localCapabilities;
- transceiver.sendEncodingParameters = sendEncodingParameters;
- });
-
- // always offer BUNDLE and dispose on return if not supported.
- if (this._config.bundlePolicy !== 'max-compat') {
- sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
- return t.mid;
- }).join(' ') + '\r\n';
- }
- sdp += 'a=ice-options:trickle\r\n';
-
- this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
- sdp += writeMediaSection(transceiver, transceiver.localCapabilities,
- 'offer', transceiver.stream, pc._dtlsRole);
- sdp += 'a=rtcp-rsize\r\n';
-
- if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' &&
- (sdpMLineIndex === 0 || !pc.usingBundle)) {
- transceiver.iceGatherer.getLocalCandidates().forEach(function(cand) {
- cand.component = 1;
- sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\r\n';
- });
-
- if (transceiver.iceGatherer.state === 'completed') {
- sdp += 'a=end-of-candidates\r\n';
- }
- }
- });
-
- var desc = new window.RTCSessionDescription({
- type: 'offer',
- sdp: sdp
- });
- return Promise.resolve(desc);
- };
-
- RTCPeerConnection.prototype.createAnswer = function() {
- var pc = this;
-
- if (this._isClosed) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not call createAnswer after close'));
- }
-
- var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId,
- this._sdpSessionVersion++);
- if (this.usingBundle) {
- sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
- return t.mid;
- }).join(' ') + '\r\n';
- }
- var mediaSectionsInOffer = SDPUtils.splitSections(
- this.remoteDescription.sdp).length - 1;
- this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
- if (sdpMLineIndex + 1 > mediaSectionsInOffer) {
- return;
- }
- if (transceiver.isDatachannel) {
- sdp += 'm=application 0 DTLS/SCTP 5000\r\n' +
- 'c=IN IP4 0.0.0.0\r\n' +
- 'a=mid:' + transceiver.mid + '\r\n';
- return;
- }
-
- // FIXME: look at direction.
- if (transceiver.stream) {
- var localTrack;
- if (transceiver.kind === 'audio') {
- localTrack = transceiver.stream.getAudioTracks()[0];
- } else if (transceiver.kind === 'video') {
- localTrack = transceiver.stream.getVideoTracks()[0];
- }
- if (localTrack) {
- // add RTX
- if (edgeVersion >= 15019 && transceiver.kind === 'video' &&
- !transceiver.sendEncodingParameters[0].rtx) {
- transceiver.sendEncodingParameters[0].rtx = {
- ssrc: transceiver.sendEncodingParameters[0].ssrc + 1
- };
- }
- }
- }
-
- // Calculate intersection of capabilities.
- var commonCapabilities = getCommonCapabilities(
- transceiver.localCapabilities,
- transceiver.remoteCapabilities);
-
- var hasRtx = commonCapabilities.codecs.filter(function(c) {
- return c.name.toLowerCase() === 'rtx';
- }).length;
- if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {
- delete transceiver.sendEncodingParameters[0].rtx;
- }
-
- sdp += writeMediaSection(transceiver, commonCapabilities,
- 'answer', transceiver.stream, pc._dtlsRole);
- if (transceiver.rtcpParameters &&
- transceiver.rtcpParameters.reducedSize) {
- sdp += 'a=rtcp-rsize\r\n';
- }
- });
-
- var desc = new window.RTCSessionDescription({
- type: 'answer',
- sdp: sdp
- });
- return Promise.resolve(desc);
- };
-
- RTCPeerConnection.prototype.addIceCandidate = function(candidate) {
- var sections;
- if (!candidate || candidate.candidate === '') {
- for (var j = 0; j < this.transceivers.length; j++) {
- if (this.transceivers[j].isDatachannel) {
- continue;
- }
- this.transceivers[j].iceTransport.addRemoteCandidate({});
- sections = SDPUtils.splitSections(this.remoteDescription.sdp);
- sections[j + 1] += 'a=end-of-candidates\r\n';
- this.remoteDescription.sdp = sections.join('');
- if (this.usingBundle) {
- break;
- }
- }
- } else if (!(candidate.sdpMLineIndex !== undefined || candidate.sdpMid)) {
- throw new TypeError('sdpMLineIndex or sdpMid required');
- } else if (!this.remoteDescription) {
- return Promise.reject(makeError('InvalidStateError',
- 'Can not add ICE candidate without a remote description'));
- } else {
- var sdpMLineIndex = candidate.sdpMLineIndex;
- if (candidate.sdpMid) {
- for (var i = 0; i < this.transceivers.length; i++) {
- if (this.transceivers[i].mid === candidate.sdpMid) {
- sdpMLineIndex = i;
- break;
- }
- }
- }
- var transceiver = this.transceivers[sdpMLineIndex];
- if (transceiver) {
- if (transceiver.isDatachannel) {
- return Promise.resolve();
- }
- var cand = Object.keys(candidate.candidate).length > 0 ?
- SDPUtils.parseCandidate(candidate.candidate) : {};
- // Ignore Chrome's invalid candidates since Edge does not like them.
- if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) {
- return Promise.resolve();
- }
- // Ignore RTCP candidates, we assume RTCP-MUX.
- if (cand.component && cand.component !== 1) {
- return Promise.resolve();
- }
- // when using bundle, avoid adding candidates to the wrong
- // ice transport. And avoid adding candidates added in the SDP.
- if (sdpMLineIndex === 0 || (sdpMLineIndex > 0 &&
- transceiver.iceTransport !== this.transceivers[0].iceTransport)) {
- if (!maybeAddCandidate(transceiver.iceTransport, cand)) {
- return Promise.reject(makeError('OperationError',
- 'Can not add ICE candidate'));
- }
- }
-
- // update the remoteDescription.
- var candidateString = candidate.candidate.trim();
- if (candidateString.indexOf('a=') === 0) {
- candidateString = candidateString.substr(2);
- }
- sections = SDPUtils.splitSections(this.remoteDescription.sdp);
- sections[sdpMLineIndex + 1] += 'a=' +
- (cand.type ? candidateString : 'end-of-candidates')
- + '\r\n';
- this.remoteDescription.sdp = sections.join('');
- } else {
- return Promise.reject(makeError('OperationError',
- 'Can not add ICE candidate'));
- }
- }
- return Promise.resolve();
- };
-
- RTCPeerConnection.prototype.getStats = function() {
- var promises = [];
- this.transceivers.forEach(function(transceiver) {
- ['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport',
- 'dtlsTransport'].forEach(function(method) {
- if (transceiver[method]) {
- promises.push(transceiver[method].getStats());
- }
- });
- });
- var fixStatsType = function(stat) {
- return {
- inboundrtp: 'inbound-rtp',
- outboundrtp: 'outbound-rtp',
- candidatepair: 'candidate-pair',
- localcandidate: 'local-candidate',
- remotecandidate: 'remote-candidate'
- }[stat.type] || stat.type;
- };
- return new Promise(function(resolve) {
- // shim getStats with maplike support
- var results = new Map();
- Promise.all(promises).then(function(res) {
- res.forEach(function(result) {
- Object.keys(result).forEach(function(id) {
- result[id].type = fixStatsType(result[id]);
- results.set(id, result[id]);
- });
- });
- resolve(results);
- });
- });
- };
-
- // legacy callback shims. Should be moved to adapter.js some days.
- var methods = ['createOffer', 'createAnswer'];
- methods.forEach(function(method) {
- var nativeMethod = RTCPeerConnection.prototype[method];
- RTCPeerConnection.prototype[method] = function() {
- var args = arguments;
- if (typeof args[0] === 'function' ||
- typeof args[1] === 'function') { // legacy
- return nativeMethod.apply(this, [arguments[2]])
- .then(function(description) {
- if (typeof args[0] === 'function') {
- args[0].apply(null, [description]);
- }
- }, function(error) {
- if (typeof args[1] === 'function') {
- args[1].apply(null, [error]);
- }
- });
- }
- return nativeMethod.apply(this, arguments);
- };
- });
-
- methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'];
- methods.forEach(function(method) {
- var nativeMethod = RTCPeerConnection.prototype[method];
- RTCPeerConnection.prototype[method] = function() {
- var args = arguments;
- if (typeof args[1] === 'function' ||
- typeof args[2] === 'function') { // legacy
- return nativeMethod.apply(this, arguments)
- .then(function() {
- if (typeof args[1] === 'function') {
- args[1].apply(null);
- }
- }, function(error) {
- if (typeof args[2] === 'function') {
- args[2].apply(null, [error]);
- }
- });
- }
- return nativeMethod.apply(this, arguments);
- };
- });
-
- // getStats is special. It doesn't have a spec legacy method yet we support
- // getStats(something, cb) without error callbacks.
- ['getStats'].forEach(function(method) {
- var nativeMethod = RTCPeerConnection.prototype[method];
- RTCPeerConnection.prototype[method] = function() {
- var args = arguments;
- if (typeof args[1] === 'function') {
- return nativeMethod.apply(this, arguments)
- .then(function() {
- if (typeof args[1] === 'function') {
- args[1].apply(null);
- }
- });
- }
- return nativeMethod.apply(this, arguments);
- };
- });
-
- return RTCPeerConnection;
-};
-
-},{"sdp":2}],2:[function(require,module,exports){
- /* eslint-env node */
-'use strict';
-
-// SDP helpers.
-var SDPUtils = {};
-
-// Generate an alphanumeric identifier for cname or mids.
-// TODO: use UUIDs instead? https://gist.github.com/jed/982883
-SDPUtils.generateIdentifier = function() {
- return Math.random().toString(36).substr(2, 10);
-};
-
-// The RTCP CNAME used by all peerconnections from the same JS.
-SDPUtils.localCName = SDPUtils.generateIdentifier();
-
-// Splits SDP into lines, dealing with both CRLF and LF.
-SDPUtils.splitLines = function(blob) {
- return blob.trim().split('\n').map(function(line) {
- return line.trim();
- });
-};
-// Splits SDP into sessionpart and mediasections. Ensures CRLF.
-SDPUtils.splitSections = function(blob) {
- var parts = blob.split('\nm=');
- return parts.map(function(part, index) {
- return (index > 0 ? 'm=' + part : part).trim() + '\r\n';
- });
-};
-
-// Returns lines that start with a certain prefix.
-SDPUtils.matchPrefix = function(blob, prefix) {
- return SDPUtils.splitLines(blob).filter(function(line) {
- return line.indexOf(prefix) === 0;
- });
-};
-
-// Parses an ICE candidate line. Sample input:
-// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
-// rport 55996"
-SDPUtils.parseCandidate = function(line) {
- var parts;
- // Parse both variants.
- if (line.indexOf('a=candidate:') === 0) {
- parts = line.substring(12).split(' ');
- } else {
- parts = line.substring(10).split(' ');
- }
-
- var candidate = {
- foundation: parts[0],
- component: parseInt(parts[1], 10),
- protocol: parts[2].toLowerCase(),
- priority: parseInt(parts[3], 10),
- ip: parts[4],
- port: parseInt(parts[5], 10),
- // skip parts[6] == 'typ'
- type: parts[7]
- };
-
- for (var i = 8; i < parts.length; i += 2) {
- switch (parts[i]) {
- case 'raddr':
- candidate.relatedAddress = parts[i + 1];
- break;
- case 'rport':
- candidate.relatedPort = parseInt(parts[i + 1], 10);
- break;
- case 'tcptype':
- candidate.tcpType = parts[i + 1];
- break;
- case 'ufrag':
- candidate.ufrag = parts[i + 1]; // for backward compability.
- candidate.usernameFragment = parts[i + 1];
- break;
- default: // extension handling, in particular ufrag
- candidate[parts[i]] = parts[i + 1];
- break;
- }
- }
- return candidate;
-};
-
-// Translates a candidate object into SDP candidate attribute.
-SDPUtils.writeCandidate = function(candidate) {
- var sdp = [];
- sdp.push(candidate.foundation);
- sdp.push(candidate.component);
- sdp.push(candidate.protocol.toUpperCase());
- sdp.push(candidate.priority);
- sdp.push(candidate.ip);
- sdp.push(candidate.port);
-
- var type = candidate.type;
- sdp.push('typ');
- sdp.push(type);
- if (type !== 'host' && candidate.relatedAddress &&
- candidate.relatedPort) {
- sdp.push('raddr');
- sdp.push(candidate.relatedAddress); // was: relAddr
- sdp.push('rport');
- sdp.push(candidate.relatedPort); // was: relPort
- }
- if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {
- sdp.push('tcptype');
- sdp.push(candidate.tcpType);
- }
- if (candidate.ufrag) {
- sdp.push('ufrag');
- sdp.push(candidate.ufrag);
- }
- return 'candidate:' + sdp.join(' ');
-};
-
-// Parses an ice-options line, returns an array of option tags.
-// a=ice-options:foo bar
-SDPUtils.parseIceOptions = function(line) {
- return line.substr(14).split(' ');
-}
-
-// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:
-// a=rtpmap:111 opus/48000/2
-SDPUtils.parseRtpMap = function(line) {
- var parts = line.substr(9).split(' ');
- var parsed = {
- payloadType: parseInt(parts.shift(), 10) // was: id
- };
-
- parts = parts[0].split('/');
-
- parsed.name = parts[0];
- parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
- // was: channels
- parsed.numChannels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
- return parsed;
-};
-
-// Generate an a=rtpmap line from RTCRtpCodecCapability or
-// RTCRtpCodecParameters.
-SDPUtils.writeRtpMap = function(codec) {
- var pt = codec.payloadType;
- if (codec.preferredPayloadType !== undefined) {
- pt = codec.preferredPayloadType;
- }
- return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +
- (codec.numChannels !== 1 ? '/' + codec.numChannels : '') + '\r\n';
-};
-
-// Parses an a=extmap line (headerextension from RFC 5285). Sample input:
-// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
-// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
-SDPUtils.parseExtmap = function(line) {
- var parts = line.substr(9).split(' ');
- return {
- id: parseInt(parts[0], 10),
- direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',
- uri: parts[1]
- };
-};
-
-// Generates a=extmap line from RTCRtpHeaderExtensionParameters or
-// RTCRtpHeaderExtension.
-SDPUtils.writeExtmap = function(headerExtension) {
- return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +
- (headerExtension.direction && headerExtension.direction !== 'sendrecv'
- ? '/' + headerExtension.direction
- : '') +
- ' ' + headerExtension.uri + '\r\n';
-};
-
-// Parses an ftmp line, returns dictionary. Sample input:
-// a=fmtp:96 vbr=on;cng=on
-// Also deals with vbr=on; cng=on
-SDPUtils.parseFmtp = function(line) {
- var parsed = {};
- var kv;
- var parts = line.substr(line.indexOf(' ') + 1).split(';');
- for (var j = 0; j < parts.length; j++) {
- kv = parts[j].trim().split('=');
- parsed[kv[0].trim()] = kv[1];
- }
- return parsed;
-};
-
-// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
-SDPUtils.writeFmtp = function(codec) {
- var line = '';
- var pt = codec.payloadType;
- if (codec.preferredPayloadType !== undefined) {
- pt = codec.preferredPayloadType;
- }
- if (codec.parameters && Object.keys(codec.parameters).length) {
- var params = [];
- Object.keys(codec.parameters).forEach(function(param) {
- params.push(param + '=' + codec.parameters[param]);
- });
- line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n';
- }
- return line;
-};
-
-// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
-// a=rtcp-fb:98 nack rpsi
-SDPUtils.parseRtcpFb = function(line) {
- var parts = line.substr(line.indexOf(' ') + 1).split(' ');
- return {
- type: parts.shift(),
- parameter: parts.join(' ')
- };
-};
-// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
-SDPUtils.writeRtcpFb = function(codec) {
- var lines = '';
- var pt = codec.payloadType;
- if (codec.preferredPayloadType !== undefined) {
- pt = codec.preferredPayloadType;
- }
- if (codec.rtcpFeedback && codec.rtcpFeedback.length) {
- // FIXME: special handling for trr-int?
- codec.rtcpFeedback.forEach(function(fb) {
- lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +
- (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +
- '\r\n';
- });
- }
- return lines;
-};
-
-// Parses an RFC 5576 ssrc media attribute. Sample input:
-// a=ssrc:3735928559 cname:something
-SDPUtils.parseSsrcMedia = function(line) {
- var sp = line.indexOf(' ');
- var parts = {
- ssrc: parseInt(line.substr(7, sp - 7), 10)
- };
- var colon = line.indexOf(':', sp);
- if (colon > -1) {
- parts.attribute = line.substr(sp + 1, colon - sp - 1);
- parts.value = line.substr(colon + 1);
- } else {
- parts.attribute = line.substr(sp + 1);
- }
- return parts;
-};
-
-// Extracts the MID (RFC 5888) from a media section.
-// returns the MID or undefined if no mid line was found.
-SDPUtils.getMid = function(mediaSection) {
- var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];
- if (mid) {
- return mid.substr(6);
- }
-}
-
-SDPUtils.parseFingerprint = function(line) {
- var parts = line.substr(14).split(' ');
- return {
- algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.
- value: parts[1]
- };
-};
-
-// Extracts DTLS parameters from SDP media section or sessionpart.
-// FIXME: for consistency with other functions this should only
-// get the fingerprint line as input. See also getIceParameters.
-SDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {
- var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,
- 'a=fingerprint:');
- // Note: a=setup line is ignored since we use the 'auto' role.
- // Note2: 'algorithm' is not case sensitive except in Edge.
- return {
- role: 'auto',
- fingerprints: lines.map(SDPUtils.parseFingerprint)
- };
-};
-
-// Serializes DTLS parameters to SDP.
-SDPUtils.writeDtlsParameters = function(params, setupType) {
- var sdp = 'a=setup:' + setupType + '\r\n';
- params.fingerprints.forEach(function(fp) {
- sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n';
- });
- return sdp;
-};
-// Parses ICE information from SDP media section or sessionpart.
-// FIXME: for consistency with other functions this should only
-// get the ice-ufrag and ice-pwd lines as input.
-SDPUtils.getIceParameters = function(mediaSection, sessionpart) {
- var lines = SDPUtils.splitLines(mediaSection);
- // Search in session part, too.
- lines = lines.concat(SDPUtils.splitLines(sessionpart));
- var iceParameters = {
- usernameFragment: lines.filter(function(line) {
- return line.indexOf('a=ice-ufrag:') === 0;
- })[0].substr(12),
- password: lines.filter(function(line) {
- return line.indexOf('a=ice-pwd:') === 0;
- })[0].substr(10)
- };
- return iceParameters;
-};
-
-// Serializes ICE parameters to SDP.
-SDPUtils.writeIceParameters = function(params) {
- return 'a=ice-ufrag:' + params.usernameFragment + '\r\n' +
- 'a=ice-pwd:' + params.password + '\r\n';
-};
-
-// Parses the SDP media section and returns RTCRtpParameters.
-SDPUtils.parseRtpParameters = function(mediaSection) {
- var description = {
- codecs: [],
- headerExtensions: [],
- fecMechanisms: [],
- rtcp: []
- };
- var lines = SDPUtils.splitLines(mediaSection);
- var mline = lines[0].split(' ');
- for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]
- var pt = mline[i];
- var rtpmapline = SDPUtils.matchPrefix(
- mediaSection, 'a=rtpmap:' + pt + ' ')[0];
- if (rtpmapline) {
- var codec = SDPUtils.parseRtpMap(rtpmapline);
- var fmtps = SDPUtils.matchPrefix(
- mediaSection, 'a=fmtp:' + pt + ' ');
- // Only the first a=fmtp: is considered.
- codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};
- codec.rtcpFeedback = SDPUtils.matchPrefix(
- mediaSection, 'a=rtcp-fb:' + pt + ' ')
- .map(SDPUtils.parseRtcpFb);
- description.codecs.push(codec);
- // parse FEC mechanisms from rtpmap lines.
- switch (codec.name.toUpperCase()) {
- case 'RED':
- case 'ULPFEC':
- description.fecMechanisms.push(codec.name.toUpperCase());
- break;
- default: // only RED and ULPFEC are recognized as FEC mechanisms.
- break;
- }
- }
- }
- SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {
- description.headerExtensions.push(SDPUtils.parseExtmap(line));
- });
- // FIXME: parse rtcp.
- return description;
-};
-
-// Generates parts of the SDP media section describing the capabilities /
-// parameters.
-SDPUtils.writeRtpDescription = function(kind, caps) {
- var sdp = '';
-
- // Build the mline.
- sdp += 'm=' + kind + ' ';
- sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.
- sdp += ' UDP/TLS/RTP/SAVPF ';
- sdp += caps.codecs.map(function(codec) {
- if (codec.preferredPayloadType !== undefined) {
- return codec.preferredPayloadType;
- }
- return codec.payloadType;
- }).join(' ') + '\r\n';
-
- sdp += 'c=IN IP4 0.0.0.0\r\n';
- sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n';
-
- // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
- caps.codecs.forEach(function(codec) {
- sdp += SDPUtils.writeRtpMap(codec);
- sdp += SDPUtils.writeFmtp(codec);
- sdp += SDPUtils.writeRtcpFb(codec);
- });
- var maxptime = 0;
- caps.codecs.forEach(function(codec) {
- if (codec.maxptime > maxptime) {
- maxptime = codec.maxptime;
- }
- });
- if (maxptime > 0) {
- sdp += 'a=maxptime:' + maxptime + '\r\n';
- }
- sdp += 'a=rtcp-mux\r\n';
-
- caps.headerExtensions.forEach(function(extension) {
- sdp += SDPUtils.writeExtmap(extension);
- });
- // FIXME: write fecMechanisms.
- return sdp;
-};
-
-// Parses the SDP media section and returns an array of
-// RTCRtpEncodingParameters.
-SDPUtils.parseRtpEncodingParameters = function(mediaSection) {
- var encodingParameters = [];
- var description = SDPUtils.parseRtpParameters(mediaSection);
- var hasRed = description.fecMechanisms.indexOf('RED') !== -1;
- var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;
-
- // filter a=ssrc:... cname:, ignore PlanB-msid
- var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
- .map(function(line) {
- return SDPUtils.parseSsrcMedia(line);
- })
- .filter(function(parts) {
- return parts.attribute === 'cname';
- });
- var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
- var secondarySsrc;
-
- var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')
- .map(function(line) {
- var parts = line.split(' ');
- parts.shift();
- return parts.map(function(part) {
- return parseInt(part, 10);
- });
- });
- if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {
- secondarySsrc = flows[0][1];
- }
-
- description.codecs.forEach(function(codec) {
- if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {
- var encParam = {
- ssrc: primarySsrc,
- codecPayloadType: parseInt(codec.parameters.apt, 10),
- rtx: {
- ssrc: secondarySsrc
- }
- };
- encodingParameters.push(encParam);
- if (hasRed) {
- encParam = JSON.parse(JSON.stringify(encParam));
- encParam.fec = {
- ssrc: secondarySsrc,
- mechanism: hasUlpfec ? 'red+ulpfec' : 'red'
- };
- encodingParameters.push(encParam);
- }
- }
- });
- if (encodingParameters.length === 0 && primarySsrc) {
- encodingParameters.push({
- ssrc: primarySsrc
- });
- }
-
- // we support both b=AS and b=TIAS but interpret AS as TIAS.
- var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');
- if (bandwidth.length) {
- if (bandwidth[0].indexOf('b=TIAS:') === 0) {
- bandwidth = parseInt(bandwidth[0].substr(7), 10);
- } else if (bandwidth[0].indexOf('b=AS:') === 0) {
- // use formula from JSEP to convert b=AS to TIAS value.
- bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95
- - (50 * 40 * 8);
- } else {
- bandwidth = undefined;
- }
- encodingParameters.forEach(function(params) {
- params.maxBitrate = bandwidth;
- });
- }
- return encodingParameters;
-};
-
-// parses http://draft.ortc.org/#rtcrtcpparameters*
-SDPUtils.parseRtcpParameters = function(mediaSection) {
- var rtcpParameters = {};
-
- var cname;
- // Gets the first SSRC. Note that with RTX there might be multiple
- // SSRCs.
- var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
- .map(function(line) {
- return SDPUtils.parseSsrcMedia(line);
- })
- .filter(function(obj) {
- return obj.attribute === 'cname';
- })[0];
- if (remoteSsrc) {
- rtcpParameters.cname = remoteSsrc.value;
- rtcpParameters.ssrc = remoteSsrc.ssrc;
- }
-
- // Edge uses the compound attribute instead of reducedSize
- // compound is !reducedSize
- var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
- rtcpParameters.reducedSize = rsize.length > 0;
- rtcpParameters.compound = rsize.length === 0;
-
- // parses the rtcp-mux attrÑ–bute.
- // Note that Edge does not support unmuxed RTCP.
- var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
- rtcpParameters.mux = mux.length > 0;
-
- return rtcpParameters;
-};
-
-// parses either a=msid: or a=ssrc:... msid lines and returns
-// the id of the MediaStream and MediaStreamTrack.
-SDPUtils.parseMsid = function(mediaSection) {
- var parts;
- var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');
- if (spec.length === 1) {
- parts = spec[0].substr(7).split(' ');
- return {stream: parts[0], track: parts[1]};
- }
- var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
- .map(function(line) {
- return SDPUtils.parseSsrcMedia(line);
- })
- .filter(function(parts) {
- return parts.attribute === 'msid';
- });
- if (planB.length > 0) {
- parts = planB[0].value.split(' ');
- return {stream: parts[0], track: parts[1]};
- }
-};
-
-// Generate a session ID for SDP.
-// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
-// recommends using a cryptographically random +ve 64-bit value
-// but right now this should be acceptable and within the right range
-SDPUtils.generateSessionId = function() {
- return Math.random().toString().substr(2, 21);
-};
-
-// Write boilder plate for start of SDP
-// sessId argument is optional - if not supplied it will
-// be generated randomly
-// sessVersion is optional and defaults to 2
-SDPUtils.writeSessionBoilerplate = function(sessId, sessVer) {
- var sessionId;
- var version = sessVer !== undefined ? sessVer : 2;
- if (sessId) {
- sessionId = sessId;
- } else {
- sessionId = SDPUtils.generateSessionId();
- }
- // FIXME: sess-id should be an NTP timestamp.
- return 'v=0\r\n' +
- 'o=thisisadapterortc ' + sessionId + ' ' + version + ' IN IP4 127.0.0.1\r\n' +
- 's=-\r\n' +
- 't=0 0\r\n';
-};
-
-SDPUtils.writeMediaSection = function(transceiver, caps, type, stream) {
- var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);
-
- // Map ICE parameters (ufrag, pwd) to SDP.
- sdp += SDPUtils.writeIceParameters(
- transceiver.iceGatherer.getLocalParameters());
-
- // Map DTLS parameters to SDP.
- sdp += SDPUtils.writeDtlsParameters(
- transceiver.dtlsTransport.getLocalParameters(),
- type === 'offer' ? 'actpass' : 'active');
-
- sdp += 'a=mid:' + transceiver.mid + '\r\n';
-
- if (transceiver.direction) {
- sdp += 'a=' + transceiver.direction + '\r\n';
- } else if (transceiver.rtpSender && transceiver.rtpReceiver) {
- sdp += 'a=sendrecv\r\n';
- } else if (transceiver.rtpSender) {
- sdp += 'a=sendonly\r\n';
- } else if (transceiver.rtpReceiver) {
- sdp += 'a=recvonly\r\n';
- } else {
- sdp += 'a=inactive\r\n';
- }
-
- if (transceiver.rtpSender) {
- // spec.
- var msid = 'msid:' + stream.id + ' ' +
- transceiver.rtpSender.track.id + '\r\n';
- sdp += 'a=' + msid;
-
- // for Chrome.
- sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
- ' ' + msid;
- if (transceiver.sendEncodingParameters[0].rtx) {
- sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
- ' ' + msid;
- sdp += 'a=ssrc-group:FID ' +
- transceiver.sendEncodingParameters[0].ssrc + ' ' +
- transceiver.sendEncodingParameters[0].rtx.ssrc +
- '\r\n';
- }
- }
- // FIXME: this should be written by writeRtpDescription.
- sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
- ' cname:' + SDPUtils.localCName + '\r\n';
- if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
- sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
- ' cname:' + SDPUtils.localCName + '\r\n';
- }
- return sdp;
-};
-
-// Gets the direction from the mediaSection or the sessionpart.
-SDPUtils.getDirection = function(mediaSection, sessionpart) {
- // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
- var lines = SDPUtils.splitLines(mediaSection);
- for (var i = 0; i < lines.length; i++) {
- switch (lines[i]) {
- case 'a=sendrecv':
- case 'a=sendonly':
- case 'a=recvonly':
- case 'a=inactive':
- return lines[i].substr(2);
- default:
- // FIXME: What should happen here?
- }
- }
- if (sessionpart) {
- return SDPUtils.getDirection(sessionpart);
- }
- return 'sendrecv';
-};
-
-SDPUtils.getKind = function(mediaSection) {
- var lines = SDPUtils.splitLines(mediaSection);
- var mline = lines[0].split(' ');
- return mline[0].substr(2);
-};
-
-SDPUtils.isRejected = function(mediaSection) {
- return mediaSection.split(' ', 2)[1] === '0';
-};
-
-SDPUtils.parseMLine = function(mediaSection) {
- var lines = SDPUtils.splitLines(mediaSection);
- var mline = lines[0].split(' ');
- return {
- kind: mline[0].substr(2),
- port: parseInt(mline[1], 10),
- protocol: mline[2],
- fmt: mline.slice(3).join(' ')
- };
-};
-
-// Expose public methods.
-if (typeof module === 'object') {
- module.exports = SDPUtils;
-}
-
-},{}],3:[function(require,module,exports){
-(function (global){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-
-'use strict';
-
-var adapterFactory = require('./adapter_factory.js');
-module.exports = adapterFactory({window: global.window});
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./adapter_factory.js":4}],4:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-
-'use strict';
-
-var utils = require('./utils');
-// Shimming starts here.
-module.exports = function(dependencies, opts) {
- var window = dependencies && dependencies.window;
-
- var options = {
- shimChrome: true,
- shimFirefox: true,
- shimEdge: true,
- shimSafari: true,
- };
-
- for (var key in opts) {
- if (hasOwnProperty.call(opts, key)) {
- options[key] = opts[key];
- }
- }
-
- // Utils.
- var logging = utils.log;
- var browserDetails = utils.detectBrowser(window);
-
- // Uncomment the line below if you want logging to occur, including logging
- // for the switch statement below. Can also be turned on in the browser via
- // adapter.disableLog(false), but then logging from the switch statement below
- // will not appear.
- // require('./utils').disableLog(false);
-
- // Browser shims.
- var chromeShim = require('./chrome/chrome_shim') || null;
- var edgeShim = require('./edge/edge_shim') || null;
- var firefoxShim = require('./firefox/firefox_shim') || null;
- var safariShim = require('./safari/safari_shim') || null;
- var commonShim = require('./common_shim') || null;
-
- // Export to the adapter global object visible in the browser.
- var adapter = {
- browserDetails: browserDetails,
- commonShim: commonShim,
- extractVersion: utils.extractVersion,
- disableLog: utils.disableLog,
- disableWarnings: utils.disableWarnings
- };
-
- // Shim browser if found.
- switch (browserDetails.browser) {
- case 'chrome':
- if (!chromeShim || !chromeShim.shimPeerConnection ||
- !options.shimChrome) {
- logging('Chrome shim is not included in this adapter release.');
- return adapter;
- }
- logging('adapter.js shimming chrome.');
- // Export to the adapter global object visible in the browser.
- adapter.browserShim = chromeShim;
- commonShim.shimCreateObjectURL(window);
-
- chromeShim.shimGetUserMedia(window);
- chromeShim.shimMediaStream(window);
- chromeShim.shimSourceObject(window);
- chromeShim.shimPeerConnection(window);
- chromeShim.shimOnTrack(window);
- chromeShim.shimAddTrackRemoveTrack(window);
- chromeShim.shimGetSendersWithDtmf(window);
-
- commonShim.shimRTCIceCandidate(window);
- commonShim.shimMaxMessageSize(window);
- commonShim.shimSendThrowTypeError(window);
- break;
- case 'firefox':
- if (!firefoxShim || !firefoxShim.shimPeerConnection ||
- !options.shimFirefox) {
- logging('Firefox shim is not included in this adapter release.');
- return adapter;
- }
- logging('adapter.js shimming firefox.');
- // Export to the adapter global object visible in the browser.
- adapter.browserShim = firefoxShim;
- commonShim.shimCreateObjectURL(window);
-
- firefoxShim.shimGetUserMedia(window);
- firefoxShim.shimSourceObject(window);
- firefoxShim.shimPeerConnection(window);
- firefoxShim.shimOnTrack(window);
- firefoxShim.shimRemoveStream(window);
-
- commonShim.shimRTCIceCandidate(window);
- commonShim.shimMaxMessageSize(window);
- commonShim.shimSendThrowTypeError(window);
- break;
- case 'edge':
- if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) {
- logging('MS edge shim is not included in this adapter release.');
- return adapter;
- }
- logging('adapter.js shimming edge.');
- // Export to the adapter global object visible in the browser.
- adapter.browserShim = edgeShim;
- commonShim.shimCreateObjectURL(window);
-
- edgeShim.shimGetUserMedia(window);
- edgeShim.shimPeerConnection(window);
- edgeShim.shimReplaceTrack(window);
-
- // the edge shim implements the full RTCIceCandidate object.
-
- commonShim.shimMaxMessageSize(window);
- commonShim.shimSendThrowTypeError(window);
- break;
- case 'safari':
- if (!safariShim || !options.shimSafari) {
- logging('Safari shim is not included in this adapter release.');
- return adapter;
- }
- logging('adapter.js shimming safari.');
- // Export to the adapter global object visible in the browser.
- adapter.browserShim = safariShim;
- commonShim.shimCreateObjectURL(window);
-
- safariShim.shimRTCIceServerUrls(window);
- safariShim.shimCallbacksAPI(window);
- safariShim.shimLocalStreamsAPI(window);
- safariShim.shimRemoteStreamsAPI(window);
- safariShim.shimTrackEventTransceiver(window);
- safariShim.shimGetUserMedia(window);
- safariShim.shimCreateOfferLegacy(window);
-
- commonShim.shimRTCIceCandidate(window);
- commonShim.shimMaxMessageSize(window);
- commonShim.shimSendThrowTypeError(window);
- break;
- default:
- logging('Unsupported browser!');
- break;
- }
-
- return adapter;
-};
-
-},{"./chrome/chrome_shim":5,"./common_shim":7,"./edge/edge_shim":8,"./firefox/firefox_shim":10,"./safari/safari_shim":12,"./utils":13}],5:[function(require,module,exports){
-
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-var utils = require('../utils.js');
-var logging = utils.log;
-
-module.exports = {
- shimGetUserMedia: require('./getusermedia'),
- shimMediaStream: function(window) {
- window.MediaStream = window.MediaStream || window.webkitMediaStream;
- },
-
- shimOnTrack: function(window) {
- if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
- window.RTCPeerConnection.prototype)) {
- Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
- get: function() {
- return this._ontrack;
- },
- set: function(f) {
- if (this._ontrack) {
- this.removeEventListener('track', this._ontrack);
- }
- this.addEventListener('track', this._ontrack = f);
- }
- });
- var origSetRemoteDescription =
- window.RTCPeerConnection.prototype.setRemoteDescription;
- window.RTCPeerConnection.prototype.setRemoteDescription = function() {
- var pc = this;
- if (!pc._ontrackpoly) {
- pc._ontrackpoly = function(e) {
- // onaddstream does not fire when a track is added to an existing
- // stream. But stream.onaddtrack is implemented so we use that.
- e.stream.addEventListener('addtrack', function(te) {
- var receiver;
- if (window.RTCPeerConnection.prototype.getReceivers) {
- receiver = pc.getReceivers().find(function(r) {
- return r.track && r.track.id === te.track.id;
- });
- } else {
- receiver = {track: te.track};
- }
-
- var event = new Event('track');
- event.track = te.track;
- event.receiver = receiver;
- event.transceiver = {receiver: receiver};
- event.streams = [e.stream];
- pc.dispatchEvent(event);
- });
- e.stream.getTracks().forEach(function(track) {
- var receiver;
- if (window.RTCPeerConnection.prototype.getReceivers) {
- receiver = pc.getReceivers().find(function(r) {
- return r.track && r.track.id === track.id;
- });
- } else {
- receiver = {track: track};
- }
- var event = new Event('track');
- event.track = track;
- event.receiver = receiver;
- event.transceiver = {receiver: receiver};
- event.streams = [e.stream];
- pc.dispatchEvent(event);
- });
- };
- pc.addEventListener('addstream', pc._ontrackpoly);
- }
- return origSetRemoteDescription.apply(pc, arguments);
- };
- } else if (!('RTCRtpTransceiver' in window)) {
- utils.wrapPeerConnectionEvent(window, 'track', function(e) {
- if (!e.transceiver) {
- e.transceiver = {receiver: e.receiver};
- }
- return e;
- });
- }
- },
-
- shimGetSendersWithDtmf: function(window) {
- // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.
- if (typeof window === 'object' && window.RTCPeerConnection &&
- !('getSenders' in window.RTCPeerConnection.prototype) &&
- 'createDTMFSender' in window.RTCPeerConnection.prototype) {
- var shimSenderWithDtmf = function(pc, track) {
- return {
- track: track,
- get dtmf() {
- if (this._dtmf === undefined) {
- if (track.kind === 'audio') {
- this._dtmf = pc.createDTMFSender(track);
- } else {
- this._dtmf = null;
- }
- }
- return this._dtmf;
- },
- _pc: pc
- };
- };
-
- // augment addTrack when getSenders is not available.
- if (!window.RTCPeerConnection.prototype.getSenders) {
- window.RTCPeerConnection.prototype.getSenders = function() {
- this._senders = this._senders || [];
- return this._senders.slice(); // return a copy of the internal state.
- };
- var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
- window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
- var pc = this;
- var sender = origAddTrack.apply(pc, arguments);
- if (!sender) {
- sender = shimSenderWithDtmf(pc, track);
- pc._senders.push(sender);
- }
- return sender;
- };
-
- var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
- window.RTCPeerConnection.prototype.removeTrack = function(sender) {
- var pc = this;
- origRemoveTrack.apply(pc, arguments);
- var idx = pc._senders.indexOf(sender);
- if (idx !== -1) {
- pc._senders.splice(idx, 1);
- }
- };
- }
- var origAddStream = window.RTCPeerConnection.prototype.addStream;
- window.RTCPeerConnection.prototype.addStream = function(stream) {
- var pc = this;
- pc._senders = pc._senders || [];
- origAddStream.apply(pc, [stream]);
- stream.getTracks().forEach(function(track) {
- pc._senders.push(shimSenderWithDtmf(pc, track));
- });
- };
-
- var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- var pc = this;
- pc._senders = pc._senders || [];
- origRemoveStream.apply(pc, [stream]);
-
- stream.getTracks().forEach(function(track) {
- var sender = pc._senders.find(function(s) {
- return s.track === track;
- });
- if (sender) {
- pc._senders.splice(pc._senders.indexOf(sender), 1); // remove sender
- }
- });
- };
- } else if (typeof window === 'object' && window.RTCPeerConnection &&
- 'getSenders' in window.RTCPeerConnection.prototype &&
- 'createDTMFSender' in window.RTCPeerConnection.prototype &&
- window.RTCRtpSender &&
- !('dtmf' in window.RTCRtpSender.prototype)) {
- var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
- window.RTCPeerConnection.prototype.getSenders = function() {
- var pc = this;
- var senders = origGetSenders.apply(pc, []);
- senders.forEach(function(sender) {
- sender._pc = pc;
- });
- return senders;
- };
-
- Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
- get: function() {
- if (this._dtmf === undefined) {
- if (this.track.kind === 'audio') {
- this._dtmf = this._pc.createDTMFSender(this.track);
- } else {
- this._dtmf = null;
- }
- }
- return this._dtmf;
- }
- });
- }
- },
-
- shimSourceObject: function(window) {
- var URL = window && window.URL;
-
- if (typeof window === 'object') {
- if (window.HTMLMediaElement &&
- !('srcObject' in window.HTMLMediaElement.prototype)) {
- // Shim the srcObject property, once, when HTMLMediaElement is found.
- Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
- get: function() {
- return this._srcObject;
- },
- set: function(stream) {
- var self = this;
- // Use _srcObject as a private property for this shim
- this._srcObject = stream;
- if (this.src) {
- URL.revokeObjectURL(this.src);
- }
-
- if (!stream) {
- this.src = '';
- return undefined;
- }
- this.src = URL.createObjectURL(stream);
- // We need to recreate the blob url when a track is added or
- // removed. Doing it manually since we want to avoid a recursion.
- stream.addEventListener('addtrack', function() {
- if (self.src) {
- URL.revokeObjectURL(self.src);
- }
- self.src = URL.createObjectURL(stream);
- });
- stream.addEventListener('removetrack', function() {
- if (self.src) {
- URL.revokeObjectURL(self.src);
- }
- self.src = URL.createObjectURL(stream);
- });
- }
- });
- }
- }
- },
-
- shimAddTrackRemoveTrackWithNative: function(window) {
- // shim addTrack/removeTrack with native variants in order to make
- // the interactions with legacy getLocalStreams behave as in other browsers.
- // Keeps a mapping stream.id => [stream, rtpsenders...]
- window.RTCPeerConnection.prototype.getLocalStreams = function() {
- var pc = this;
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
- return Object.keys(this._shimmedLocalStreams).map(function(streamId) {
- return pc._shimmedLocalStreams[streamId][0];
- });
- };
-
- var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
- window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
- if (!stream) {
- return origAddTrack.apply(this, arguments);
- }
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-
- var sender = origAddTrack.apply(this, arguments);
- if (!this._shimmedLocalStreams[stream.id]) {
- this._shimmedLocalStreams[stream.id] = [stream, sender];
- } else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {
- this._shimmedLocalStreams[stream.id].push(sender);
- }
- return sender;
- };
-
- var origAddStream = window.RTCPeerConnection.prototype.addStream;
- window.RTCPeerConnection.prototype.addStream = function(stream) {
- var pc = this;
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
-
- stream.getTracks().forEach(function(track) {
- var alreadyExists = pc.getSenders().find(function(s) {
- return s.track === track;
- });
- if (alreadyExists) {
- throw new DOMException('Track already exists.',
- 'InvalidAccessError');
- }
- });
- var existingSenders = pc.getSenders();
- origAddStream.apply(this, arguments);
- var newSenders = pc.getSenders().filter(function(newSender) {
- return existingSenders.indexOf(newSender) === -1;
- });
- this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);
- };
-
- var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
- delete this._shimmedLocalStreams[stream.id];
- return origRemoveStream.apply(this, arguments);
- };
-
- var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
- window.RTCPeerConnection.prototype.removeTrack = function(sender) {
- var pc = this;
- this._shimmedLocalStreams = this._shimmedLocalStreams || {};
- if (sender) {
- Object.keys(this._shimmedLocalStreams).forEach(function(streamId) {
- var idx = pc._shimmedLocalStreams[streamId].indexOf(sender);
- if (idx !== -1) {
- pc._shimmedLocalStreams[streamId].splice(idx, 1);
- }
- if (pc._shimmedLocalStreams[streamId].length === 1) {
- delete pc._shimmedLocalStreams[streamId];
- }
- });
- }
- return origRemoveTrack.apply(this, arguments);
- };
- },
-
- shimAddTrackRemoveTrack: function(window) {
- var browserDetails = utils.detectBrowser(window);
- // shim addTrack and removeTrack.
- if (window.RTCPeerConnection.prototype.addTrack &&
- browserDetails.version >= 65) {
- return this.shimAddTrackRemoveTrackWithNative(window);
- }
-
- // also shim pc.getLocalStreams when addTrack is shimmed
- // to return the original streams.
- var origGetLocalStreams = window.RTCPeerConnection.prototype
- .getLocalStreams;
- window.RTCPeerConnection.prototype.getLocalStreams = function() {
- var pc = this;
- var nativeStreams = origGetLocalStreams.apply(this);
- pc._reverseStreams = pc._reverseStreams || {};
- return nativeStreams.map(function(stream) {
- return pc._reverseStreams[stream.id];
- });
- };
-
- var origAddStream = window.RTCPeerConnection.prototype.addStream;
- window.RTCPeerConnection.prototype.addStream = function(stream) {
- var pc = this;
- pc._streams = pc._streams || {};
- pc._reverseStreams = pc._reverseStreams || {};
-
- stream.getTracks().forEach(function(track) {
- var alreadyExists = pc.getSenders().find(function(s) {
- return s.track === track;
- });
- if (alreadyExists) {
- throw new DOMException('Track already exists.',
- 'InvalidAccessError');
- }
- });
- // Add identity mapping for consistency with addTrack.
- // Unless this is being used with a stream from addTrack.
- if (!pc._reverseStreams[stream.id]) {
- var newStream = new window.MediaStream(stream.getTracks());
- pc._streams[stream.id] = newStream;
- pc._reverseStreams[newStream.id] = stream;
- stream = newStream;
- }
- origAddStream.apply(pc, [stream]);
- };
-
- var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- var pc = this;
- pc._streams = pc._streams || {};
- pc._reverseStreams = pc._reverseStreams || {};
-
- origRemoveStream.apply(pc, [(pc._streams[stream.id] || stream)]);
- delete pc._reverseStreams[(pc._streams[stream.id] ?
- pc._streams[stream.id].id : stream.id)];
- delete pc._streams[stream.id];
- };
-
- window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
- var pc = this;
- if (pc.signalingState === 'closed') {
- throw new DOMException(
- 'The RTCPeerConnection\'s signalingState is \'closed\'.',
- 'InvalidStateError');
- }
- var streams = [].slice.call(arguments, 1);
- if (streams.length !== 1 ||
- !streams[0].getTracks().find(function(t) {
- return t === track;
- })) {
- // this is not fully correct but all we can manage without
- // [[associated MediaStreams]] internal slot.
- throw new DOMException(
- 'The adapter.js addTrack polyfill only supports a single ' +
- ' stream which is associated with the specified track.',
- 'NotSupportedError');
- }
-
- var alreadyExists = pc.getSenders().find(function(s) {
- return s.track === track;
- });
- if (alreadyExists) {
- throw new DOMException('Track already exists.',
- 'InvalidAccessError');
- }
-
- pc._streams = pc._streams || {};
- pc._reverseStreams = pc._reverseStreams || {};
- var oldStream = pc._streams[stream.id];
- if (oldStream) {
- // this is using odd Chrome behaviour, use with caution:
- // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815
- // Note: we rely on the high-level addTrack/dtmf shim to
- // create the sender with a dtmf sender.
- oldStream.addTrack(track);
-
- // Trigger ONN async.
- Promise.resolve().then(function() {
- pc.dispatchEvent(new Event('negotiationneeded'));
- });
- } else {
- var newStream = new window.MediaStream([track]);
- pc._streams[stream.id] = newStream;
- pc._reverseStreams[newStream.id] = stream;
- pc.addStream(newStream);
- }
- return pc.getSenders().find(function(s) {
- return s.track === track;
- });
- };
-
- // replace the internal stream id with the external one and
- // vice versa.
- function replaceInternalStreamId(pc, description) {
- var sdp = description.sdp;
- Object.keys(pc._reverseStreams || []).forEach(function(internalId) {
- var externalStream = pc._reverseStreams[internalId];
- var internalStream = pc._streams[externalStream.id];
- sdp = sdp.replace(new RegExp(internalStream.id, 'g'),
- externalStream.id);
- });
- return new RTCSessionDescription({
- type: description.type,
- sdp: sdp
- });
- }
- function replaceExternalStreamId(pc, description) {
- var sdp = description.sdp;
- Object.keys(pc._reverseStreams || []).forEach(function(internalId) {
- var externalStream = pc._reverseStreams[internalId];
- var internalStream = pc._streams[externalStream.id];
- sdp = sdp.replace(new RegExp(externalStream.id, 'g'),
- internalStream.id);
- });
- return new RTCSessionDescription({
- type: description.type,
- sdp: sdp
- });
- }
- ['createOffer', 'createAnswer'].forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- var pc = this;
- var args = arguments;
- var isLegacyCall = arguments.length &&
- typeof arguments[0] === 'function';
- if (isLegacyCall) {
- return nativeMethod.apply(pc, [
- function(description) {
- var desc = replaceInternalStreamId(pc, description);
- args[0].apply(null, [desc]);
- },
- function(err) {
- if (args[1]) {
- args[1].apply(null, err);
- }
- }, arguments[2]
- ]);
- }
- return nativeMethod.apply(pc, arguments)
- .then(function(description) {
- return replaceInternalStreamId(pc, description);
- });
- };
- });
-
- var origSetLocalDescription =
- window.RTCPeerConnection.prototype.setLocalDescription;
- window.RTCPeerConnection.prototype.setLocalDescription = function() {
- var pc = this;
- if (!arguments.length || !arguments[0].type) {
- return origSetLocalDescription.apply(pc, arguments);
- }
- arguments[0] = replaceExternalStreamId(pc, arguments[0]);
- return origSetLocalDescription.apply(pc, arguments);
- };
-
- // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier
-
- var origLocalDescription = Object.getOwnPropertyDescriptor(
- window.RTCPeerConnection.prototype, 'localDescription');
- Object.defineProperty(window.RTCPeerConnection.prototype,
- 'localDescription', {
- get: function() {
- var pc = this;
- var description = origLocalDescription.get.apply(this);
- if (description.type === '') {
- return description;
- }
- return replaceInternalStreamId(pc, description);
- }
- });
-
- window.RTCPeerConnection.prototype.removeTrack = function(sender) {
- var pc = this;
- if (pc.signalingState === 'closed') {
- throw new DOMException(
- 'The RTCPeerConnection\'s signalingState is \'closed\'.',
- 'InvalidStateError');
- }
- // We can not yet check for sender instanceof RTCRtpSender
- // since we shim RTPSender. So we check if sender._pc is set.
- if (!sender._pc) {
- throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' +
- 'does not implement interface RTCRtpSender.', 'TypeError');
- }
- var isLocal = sender._pc === pc;
- if (!isLocal) {
- throw new DOMException('Sender was not created by this connection.',
- 'InvalidAccessError');
- }
-
- // Search for the native stream the senders track belongs to.
- pc._streams = pc._streams || {};
- var stream;
- Object.keys(pc._streams).forEach(function(streamid) {
- var hasTrack = pc._streams[streamid].getTracks().find(function(track) {
- return sender.track === track;
- });
- if (hasTrack) {
- stream = pc._streams[streamid];
- }
- });
-
- if (stream) {
- if (stream.getTracks().length === 1) {
- // if this is the last track of the stream, remove the stream. This
- // takes care of any shimmed _senders.
- pc.removeStream(pc._reverseStreams[stream.id]);
- } else {
- // relying on the same odd chrome behaviour as above.
- stream.removeTrack(sender.track);
- }
- pc.dispatchEvent(new Event('negotiationneeded'));
- }
- };
- },
-
- shimPeerConnection: function(window) {
- var browserDetails = utils.detectBrowser(window);
-
- // The RTCPeerConnection object.
- if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {
- window.RTCPeerConnection = function(pcConfig, pcConstraints) {
- // Translate iceTransportPolicy to iceTransports,
- // see https://code.google.com/p/webrtc/issues/detail?id=4869
- // this was fixed in M56 along with unprefixing RTCPeerConnection.
- logging('PeerConnection');
- if (pcConfig && pcConfig.iceTransportPolicy) {
- pcConfig.iceTransports = pcConfig.iceTransportPolicy;
- }
-
- return new window.webkitRTCPeerConnection(pcConfig, pcConstraints);
- };
- window.RTCPeerConnection.prototype =
- window.webkitRTCPeerConnection.prototype;
- // wrap static methods. Currently just generateCertificate.
- if (window.webkitRTCPeerConnection.generateCertificate) {
- Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
- get: function() {
- return window.webkitRTCPeerConnection.generateCertificate;
- }
- });
- }
- } else {
- // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
- var OrigPeerConnection = window.RTCPeerConnection;
- window.RTCPeerConnection = function(pcConfig, pcConstraints) {
- if (pcConfig && pcConfig.iceServers) {
- var newIceServers = [];
- for (var i = 0; i < pcConfig.iceServers.length; i++) {
- var server = pcConfig.iceServers[i];
- if (!server.hasOwnProperty('urls') &&
- server.hasOwnProperty('url')) {
- utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
- server = JSON.parse(JSON.stringify(server));
- server.urls = server.url;
- newIceServers.push(server);
- } else {
- newIceServers.push(pcConfig.iceServers[i]);
- }
- }
- pcConfig.iceServers = newIceServers;
- }
- return new OrigPeerConnection(pcConfig, pcConstraints);
- };
- window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
- // wrap static methods. Currently just generateCertificate.
- Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
- get: function() {
- return OrigPeerConnection.generateCertificate;
- }
- });
- }
-
- var origGetStats = window.RTCPeerConnection.prototype.getStats;
- window.RTCPeerConnection.prototype.getStats = function(selector,
- successCallback, errorCallback) {
- var pc = this;
- var args = arguments;
-
- // If selector is a function then we are in the old style stats so just
- // pass back the original getStats format to avoid breaking old users.
- if (arguments.length > 0 && typeof selector === 'function') {
- return origGetStats.apply(this, arguments);
- }
-
- // When spec-style getStats is supported, return those when called with
- // either no arguments or the selector argument is null.
- if (origGetStats.length === 0 && (arguments.length === 0 ||
- typeof arguments[0] !== 'function')) {
- return origGetStats.apply(this, []);
- }
-
- var fixChromeStats_ = function(response) {
- var standardReport = {};
- var reports = response.result();
- reports.forEach(function(report) {
- var standardStats = {
- id: report.id,
- timestamp: report.timestamp,
- type: {
- localcandidate: 'local-candidate',
- remotecandidate: 'remote-candidate'
- }[report.type] || report.type
- };
- report.names().forEach(function(name) {
- standardStats[name] = report.stat(name);
- });
- standardReport[standardStats.id] = standardStats;
- });
-
- return standardReport;
- };
-
- // shim getStats with maplike support
- var makeMapStats = function(stats) {
- return new Map(Object.keys(stats).map(function(key) {
- return [key, stats[key]];
- }));
- };
-
- if (arguments.length >= 2) {
- var successCallbackWrapper_ = function(response) {
- args[1](makeMapStats(fixChromeStats_(response)));
- };
-
- return origGetStats.apply(this, [successCallbackWrapper_,
- arguments[0]]);
- }
-
- // promise-support
- return new Promise(function(resolve, reject) {
- origGetStats.apply(pc, [
- function(response) {
- resolve(makeMapStats(fixChromeStats_(response)));
- }, reject]);
- }).then(successCallback, errorCallback);
- };
-
- // add promise support -- natively available in Chrome 51
- if (browserDetails.version < 51) {
- ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
- .forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- var args = arguments;
- var pc = this;
- var promise = new Promise(function(resolve, reject) {
- nativeMethod.apply(pc, [args[0], resolve, reject]);
- });
- if (args.length < 2) {
- return promise;
- }
- return promise.then(function() {
- args[1].apply(null, []);
- },
- function(err) {
- if (args.length >= 3) {
- args[2].apply(null, [err]);
- }
- });
- };
- });
- }
-
- // promise support for createOffer and createAnswer. Available (without
- // bugs) since M52: crbug/619289
- if (browserDetails.version < 52) {
- ['createOffer', 'createAnswer'].forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- var pc = this;
- if (arguments.length < 1 || (arguments.length === 1 &&
- typeof arguments[0] === 'object')) {
- var opts = arguments.length === 1 ? arguments[0] : undefined;
- return new Promise(function(resolve, reject) {
- nativeMethod.apply(pc, [resolve, reject, opts]);
- });
- }
- return nativeMethod.apply(this, arguments);
- };
- });
- }
-
- // shim implicit creation of RTCSessionDescription/RTCIceCandidate
- ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
- .forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- arguments[0] = new ((method === 'addIceCandidate') ?
- window.RTCIceCandidate :
- window.RTCSessionDescription)(arguments[0]);
- return nativeMethod.apply(this, arguments);
- };
- });
-
- // support for addIceCandidate(null or undefined)
- var nativeAddIceCandidate =
- window.RTCPeerConnection.prototype.addIceCandidate;
- window.RTCPeerConnection.prototype.addIceCandidate = function() {
- if (!arguments[0]) {
- if (arguments[1]) {
- arguments[1].apply(null);
- }
- return Promise.resolve();
- }
- return nativeAddIceCandidate.apply(this, arguments);
- };
- }
-};
-
-},{"../utils.js":13,"./getusermedia":6}],6:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-var utils = require('../utils.js');
-var logging = utils.log;
-
-// Expose public methods.
-module.exports = function(window) {
- var browserDetails = utils.detectBrowser(window);
- var navigator = window && window.navigator;
-
- var constraintsToChrome_ = function(c) {
- if (typeof c !== 'object' || c.mandatory || c.optional) {
- return c;
- }
- var cc = {};
- Object.keys(c).forEach(function(key) {
- if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
- return;
- }
- var r = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]};
- if (r.exact !== undefined && typeof r.exact === 'number') {
- r.min = r.max = r.exact;
- }
- var oldname_ = function(prefix, name) {
- if (prefix) {
- return prefix + name.charAt(0).toUpperCase() + name.slice(1);
- }
- return (name === 'deviceId') ? 'sourceId' : name;
- };
- if (r.ideal !== undefined) {
- cc.optional = cc.optional || [];
- var oc = {};
- if (typeof r.ideal === 'number') {
- oc[oldname_('min', key)] = r.ideal;
- cc.optional.push(oc);
- oc = {};
- oc[oldname_('max', key)] = r.ideal;
- cc.optional.push(oc);
- } else {
- oc[oldname_('', key)] = r.ideal;
- cc.optional.push(oc);
- }
- }
- if (r.exact !== undefined && typeof r.exact !== 'number') {
- cc.mandatory = cc.mandatory || {};
- cc.mandatory[oldname_('', key)] = r.exact;
- } else {
- ['min', 'max'].forEach(function(mix) {
- if (r[mix] !== undefined) {
- cc.mandatory = cc.mandatory || {};
- cc.mandatory[oldname_(mix, key)] = r[mix];
- }
- });
- }
- });
- if (c.advanced) {
- cc.optional = (cc.optional || []).concat(c.advanced);
- }
- return cc;
- };
-
- var shimConstraints_ = function(constraints, func) {
- if (browserDetails.version >= 61) {
- return func(constraints);
- }
- constraints = JSON.parse(JSON.stringify(constraints));
- if (constraints && typeof constraints.audio === 'object') {
- var remap = function(obj, a, b) {
- if (a in obj && !(b in obj)) {
- obj[b] = obj[a];
- delete obj[a];
- }
- };
- constraints = JSON.parse(JSON.stringify(constraints));
- remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');
- remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');
- constraints.audio = constraintsToChrome_(constraints.audio);
- }
- if (constraints && typeof constraints.video === 'object') {
- // Shim facingMode for mobile & surface pro.
- var face = constraints.video.facingMode;
- face = face && ((typeof face === 'object') ? face : {ideal: face});
- var getSupportedFacingModeLies = browserDetails.version < 66;
-
- if ((face && (face.exact === 'user' || face.exact === 'environment' ||
- face.ideal === 'user' || face.ideal === 'environment')) &&
- !(navigator.mediaDevices.getSupportedConstraints &&
- navigator.mediaDevices.getSupportedConstraints().facingMode &&
- !getSupportedFacingModeLies)) {
- delete constraints.video.facingMode;
- var matches;
- if (face.exact === 'environment' || face.ideal === 'environment') {
- matches = ['back', 'rear'];
- } else if (face.exact === 'user' || face.ideal === 'user') {
- matches = ['front'];
- }
- if (matches) {
- // Look for matches in label, or use last cam for back (typical).
- return navigator.mediaDevices.enumerateDevices()
- .then(function(devices) {
- devices = devices.filter(function(d) {
- return d.kind === 'videoinput';
- });
- var dev = devices.find(function(d) {
- return matches.some(function(match) {
- return d.label.toLowerCase().indexOf(match) !== -1;
- });
- });
- if (!dev && devices.length && matches.indexOf('back') !== -1) {
- dev = devices[devices.length - 1]; // more likely the back cam
- }
- if (dev) {
- constraints.video.deviceId = face.exact ? {exact: dev.deviceId} :
- {ideal: dev.deviceId};
- }
- constraints.video = constraintsToChrome_(constraints.video);
- logging('chrome: ' + JSON.stringify(constraints));
- return func(constraints);
- });
- }
- }
- constraints.video = constraintsToChrome_(constraints.video);
- }
- logging('chrome: ' + JSON.stringify(constraints));
- return func(constraints);
- };
-
- var shimError_ = function(e) {
- return {
- name: {
- PermissionDeniedError: 'NotAllowedError',
- InvalidStateError: 'NotReadableError',
- DevicesNotFoundError: 'NotFoundError',
- ConstraintNotSatisfiedError: 'OverconstrainedError',
- TrackStartError: 'NotReadableError',
- MediaDeviceFailedDueToShutdown: 'NotReadableError',
- MediaDeviceKillSwitchOn: 'NotReadableError'
- }[e.name] || e.name,
- message: e.message,
- constraint: e.constraintName,
- toString: function() {
- return this.name + (this.message && ': ') + this.message;
- }
- };
- };
-
- var getUserMedia_ = function(constraints, onSuccess, onError) {
- shimConstraints_(constraints, function(c) {
- navigator.webkitGetUserMedia(c, onSuccess, function(e) {
- if (onError) {
- onError(shimError_(e));
- }
- });
- });
- };
-
- navigator.getUserMedia = getUserMedia_;
-
- // Returns the result of getUserMedia as a Promise.
- var getUserMediaPromise_ = function(constraints) {
- return new Promise(function(resolve, reject) {
- navigator.getUserMedia(constraints, resolve, reject);
- });
- };
-
- if (!navigator.mediaDevices) {
- navigator.mediaDevices = {
- getUserMedia: getUserMediaPromise_,
- enumerateDevices: function() {
- return new Promise(function(resolve) {
- var kinds = {audio: 'audioinput', video: 'videoinput'};
- return window.MediaStreamTrack.getSources(function(devices) {
- resolve(devices.map(function(device) {
- return {label: device.label,
- kind: kinds[device.kind],
- deviceId: device.id,
- groupId: ''};
- }));
- });
- });
- },
- getSupportedConstraints: function() {
- return {
- deviceId: true, echoCancellation: true, facingMode: true,
- frameRate: true, height: true, width: true
- };
- }
- };
- }
-
- // A shim for getUserMedia method on the mediaDevices object.
- // TODO(KaptenJansson) remove once implemented in Chrome stable.
- if (!navigator.mediaDevices.getUserMedia) {
- navigator.mediaDevices.getUserMedia = function(constraints) {
- return getUserMediaPromise_(constraints);
- };
- } else {
- // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
- // function which returns a Promise, it does not accept spec-style
- // constraints.
- var origGetUserMedia = navigator.mediaDevices.getUserMedia.
- bind(navigator.mediaDevices);
- navigator.mediaDevices.getUserMedia = function(cs) {
- return shimConstraints_(cs, function(c) {
- return origGetUserMedia(c).then(function(stream) {
- if (c.audio && !stream.getAudioTracks().length ||
- c.video && !stream.getVideoTracks().length) {
- stream.getTracks().forEach(function(track) {
- track.stop();
- });
- throw new DOMException('', 'NotFoundError');
- }
- return stream;
- }, function(e) {
- return Promise.reject(shimError_(e));
- });
- });
- };
- }
-
- // Dummy devicechange event methods.
- // TODO(KaptenJansson) remove once implemented in Chrome stable.
- if (typeof navigator.mediaDevices.addEventListener === 'undefined') {
- navigator.mediaDevices.addEventListener = function() {
- logging('Dummy mediaDevices.addEventListener called.');
- };
- }
- if (typeof navigator.mediaDevices.removeEventListener === 'undefined') {
- navigator.mediaDevices.removeEventListener = function() {
- logging('Dummy mediaDevices.removeEventListener called.');
- };
- }
-};
-
-},{"../utils.js":13}],7:[function(require,module,exports){
-/*
- * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var SDPUtils = require('sdp');
-var utils = require('./utils');
-
-module.exports = {
- shimRTCIceCandidate: function(window) {
- // foundation is arbitrarily chosen as an indicator for full support for
- // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface
- if (window.RTCIceCandidate && 'foundation' in
- window.RTCIceCandidate.prototype) {
- return;
- }
-
- var NativeRTCIceCandidate = window.RTCIceCandidate;
- window.RTCIceCandidate = function(args) {
- // Remove the a= which shouldn't be part of the candidate string.
- if (typeof args === 'object' && args.candidate &&
- args.candidate.indexOf('a=') === 0) {
- args = JSON.parse(JSON.stringify(args));
- args.candidate = args.candidate.substr(2);
- }
-
- // Augment the native candidate with the parsed fields.
- var nativeCandidate = new NativeRTCIceCandidate(args);
- var parsedCandidate = SDPUtils.parseCandidate(args.candidate);
- var augmentedCandidate = Object.assign(nativeCandidate,
- parsedCandidate);
-
- // Add a serializer that does not serialize the extra attributes.
- augmentedCandidate.toJSON = function() {
- return {
- candidate: augmentedCandidate.candidate,
- sdpMid: augmentedCandidate.sdpMid,
- sdpMLineIndex: augmentedCandidate.sdpMLineIndex,
- usernameFragment: augmentedCandidate.usernameFragment,
- };
- };
- return augmentedCandidate;
- };
-
- // Hook up the augmented candidate in onicecandidate and
- // addEventListener('icecandidate', ...)
- utils.wrapPeerConnectionEvent(window, 'icecandidate', function(e) {
- if (e.candidate) {
- Object.defineProperty(e, 'candidate', {
- value: new window.RTCIceCandidate(e.candidate),
- writable: 'false'
- });
- }
- return e;
- });
- },
-
- // shimCreateObjectURL must be called before shimSourceObject to avoid loop.
-
- shimCreateObjectURL: function(window) {
- var URL = window && window.URL;
-
- if (!(typeof window === 'object' && window.HTMLMediaElement &&
- 'srcObject' in window.HTMLMediaElement.prototype &&
- URL.createObjectURL && URL.revokeObjectURL)) {
- // Only shim CreateObjectURL using srcObject if srcObject exists.
- return undefined;
- }
-
- var nativeCreateObjectURL = URL.createObjectURL.bind(URL);
- var nativeRevokeObjectURL = URL.revokeObjectURL.bind(URL);
- var streams = new Map(), newId = 0;
-
- URL.createObjectURL = function(stream) {
- if ('getTracks' in stream) {
- var url = 'polyblob:' + (++newId);
- streams.set(url, stream);
- utils.deprecated('URL.createObjectURL(stream)',
- 'elem.srcObject = stream');
- return url;
- }
- return nativeCreateObjectURL(stream);
- };
- URL.revokeObjectURL = function(url) {
- nativeRevokeObjectURL(url);
- streams.delete(url);
- };
-
- var dsc = Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,
- 'src');
- Object.defineProperty(window.HTMLMediaElement.prototype, 'src', {
- get: function() {
- return dsc.get.apply(this);
- },
- set: function(url) {
- this.srcObject = streams.get(url) || null;
- return dsc.set.apply(this, [url]);
- }
- });
-
- var nativeSetAttribute = window.HTMLMediaElement.prototype.setAttribute;
- window.HTMLMediaElement.prototype.setAttribute = function() {
- if (arguments.length === 2 &&
- ('' + arguments[0]).toLowerCase() === 'src') {
- this.srcObject = streams.get(arguments[1]) || null;
- }
- return nativeSetAttribute.apply(this, arguments);
- };
- },
-
- shimMaxMessageSize: function(window) {
- if (window.RTCSctpTransport || !window.RTCPeerConnection) {
- return;
- }
- var browserDetails = utils.detectBrowser(window);
-
- if (!('sctp' in window.RTCPeerConnection.prototype)) {
- Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {
- get: function() {
- return typeof this._sctp === 'undefined' ? null : this._sctp;
- }
- });
- }
-
- var sctpInDescription = function(description) {
- var sections = SDPUtils.splitSections(description.sdp);
- sections.shift();
- return sections.some(function(mediaSection) {
- var mLine = SDPUtils.parseMLine(mediaSection);
- return mLine && mLine.kind === 'application'
- && mLine.protocol.indexOf('SCTP') !== -1;
- });
- };
-
- var getRemoteFirefoxVersion = function(description) {
- // TODO: Is there a better solution for detecting Firefox?
- var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);
- if (match === null || match.length < 2) {
- return -1;
- }
- var version = parseInt(match[1], 10);
- // Test for NaN (yes, this is ugly)
- return version !== version ? -1 : version;
- };
-
- var getCanSendMaxMessageSize = function(remoteIsFirefox) {
- // Every implementation we know can send at least 64 KiB.
- // Note: Although Chrome is technically able to send up to 256 KiB, the
- // data does not reach the other peer reliably.
- // See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419
- var canSendMaxMessageSize = 65536;
- if (browserDetails.browser === 'firefox') {
- if (browserDetails.version < 57) {
- if (remoteIsFirefox === -1) {
- // FF < 57 will send in 16 KiB chunks using the deprecated PPID
- // fragmentation.
- canSendMaxMessageSize = 16384;
- } else {
- // However, other FF (and RAWRTC) can reassemble PPID-fragmented
- // messages. Thus, supporting ~2 GiB when sending.
- canSendMaxMessageSize = 2147483637;
- }
- } else {
- // Currently, all FF >= 57 will reset the remote maximum message size
- // to the default value when a data channel is created at a later
- // stage. :(
- // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
- canSendMaxMessageSize =
- browserDetails.version === 57 ? 65535 : 65536;
- }
- }
- return canSendMaxMessageSize;
- };
-
- var getMaxMessageSize = function(description, remoteIsFirefox) {
- // Note: 65536 bytes is the default value from the SDP spec. Also,
- // every implementation we know supports receiving 65536 bytes.
- var maxMessageSize = 65536;
-
- // FF 57 has a slightly incorrect default remote max message size, so
- // we need to adjust it here to avoid a failure when sending.
- // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697
- if (browserDetails.browser === 'firefox'
- && browserDetails.version === 57) {
- maxMessageSize = 65535;
- }
-
- var match = SDPUtils.matchPrefix(description.sdp, 'a=max-message-size:');
- if (match.length > 0) {
- maxMessageSize = parseInt(match[0].substr(19), 10);
- } else if (browserDetails.browser === 'firefox' &&
- remoteIsFirefox !== -1) {
- // If the maximum message size is not present in the remote SDP and
- // both local and remote are Firefox, the remote peer can receive
- // ~2 GiB.
- maxMessageSize = 2147483637;
- }
- return maxMessageSize;
- };
-
- var origSetRemoteDescription =
- window.RTCPeerConnection.prototype.setRemoteDescription;
- window.RTCPeerConnection.prototype.setRemoteDescription = function() {
- var pc = this;
- pc._sctp = null;
-
- if (sctpInDescription(arguments[0])) {
- // Check if the remote is FF.
- var isFirefox = getRemoteFirefoxVersion(arguments[0]);
-
- // Get the maximum message size the local peer is capable of sending
- var canSendMMS = getCanSendMaxMessageSize(isFirefox);
-
- // Get the maximum message size of the remote peer.
- var remoteMMS = getMaxMessageSize(arguments[0], isFirefox);
-
- // Determine final maximum message size
- var maxMessageSize;
- if (canSendMMS === 0 && remoteMMS === 0) {
- maxMessageSize = Number.POSITIVE_INFINITY;
- } else if (canSendMMS === 0 || remoteMMS === 0) {
- maxMessageSize = Math.max(canSendMMS, remoteMMS);
- } else {
- maxMessageSize = Math.min(canSendMMS, remoteMMS);
- }
-
- // Create a dummy RTCSctpTransport object and the 'maxMessageSize'
- // attribute.
- var sctp = {};
- Object.defineProperty(sctp, 'maxMessageSize', {
- get: function() {
- return maxMessageSize;
- }
- });
- pc._sctp = sctp;
- }
-
- return origSetRemoteDescription.apply(pc, arguments);
- };
- },
-
- shimSendThrowTypeError: function(window) {
- // Note: Although Firefox >= 57 has a native implementation, the maximum
- // message size can be reset for all data channels at a later stage.
- // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
-
- var origCreateDataChannel =
- window.RTCPeerConnection.prototype.createDataChannel;
- window.RTCPeerConnection.prototype.createDataChannel = function() {
- var pc = this;
- var dataChannel = origCreateDataChannel.apply(pc, arguments);
- var origDataChannelSend = dataChannel.send;
-
- // Patch 'send' method
- dataChannel.send = function() {
- var dc = this;
- var data = arguments[0];
- var length = data.length || data.size || data.byteLength;
- if (length > pc.sctp.maxMessageSize) {
- throw new DOMException('Message too large (can send a maximum of ' +
- pc.sctp.maxMessageSize + ' bytes)', 'TypeError');
- }
- return origDataChannelSend.apply(dc, arguments);
- };
-
- return dataChannel;
- };
- }
-};
-
-},{"./utils":13,"sdp":2}],8:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var utils = require('../utils');
-var shimRTCPeerConnection = require('rtcpeerconnection-shim');
-
-module.exports = {
- shimGetUserMedia: require('./getusermedia'),
- shimPeerConnection: function(window) {
- var browserDetails = utils.detectBrowser(window);
-
- if (window.RTCIceGatherer) {
- // ORTC defines an RTCIceCandidate object but no constructor.
- // Not implemented in Edge.
- if (!window.RTCIceCandidate) {
- window.RTCIceCandidate = function(args) {
- return args;
- };
- }
- // ORTC does not have a session description object but
- // other browsers (i.e. Chrome) that will support both PC and ORTC
- // in the future might have this defined already.
- if (!window.RTCSessionDescription) {
- window.RTCSessionDescription = function(args) {
- return args;
- };
- }
- // this adds an additional event listener to MediaStrackTrack that signals
- // when a tracks enabled property was changed. Workaround for a bug in
- // addStream, see below. No longer required in 15025+
- if (browserDetails.version < 15025) {
- var origMSTEnabled = Object.getOwnPropertyDescriptor(
- window.MediaStreamTrack.prototype, 'enabled');
- Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {
- set: function(value) {
- origMSTEnabled.set.call(this, value);
- var ev = new Event('enabled');
- ev.enabled = value;
- this.dispatchEvent(ev);
- }
- });
- }
- }
-
- // ORTC defines the DTMF sender a bit different.
- // https://github.com/w3c/ortc/issues/714
- if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {
- Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
- get: function() {
- if (this._dtmf === undefined) {
- if (this.track.kind === 'audio') {
- this._dtmf = new window.RTCDtmfSender(this);
- } else if (this.track.kind === 'video') {
- this._dtmf = null;
- }
- }
- return this._dtmf;
- }
- });
- }
-
- window.RTCPeerConnection =
- shimRTCPeerConnection(window, browserDetails.version);
- },
- shimReplaceTrack: function(window) {
- // ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614
- if (window.RTCRtpSender &&
- !('replaceTrack' in window.RTCRtpSender.prototype)) {
- window.RTCRtpSender.prototype.replaceTrack =
- window.RTCRtpSender.prototype.setTrack;
- }
- }
-};
-
-},{"../utils":13,"./getusermedia":9,"rtcpeerconnection-shim":1}],9:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-// Expose public methods.
-module.exports = function(window) {
- var navigator = window && window.navigator;
-
- var shimError_ = function(e) {
- return {
- name: {PermissionDeniedError: 'NotAllowedError'}[e.name] || e.name,
- message: e.message,
- constraint: e.constraint,
- toString: function() {
- return this.name;
- }
- };
- };
-
- // getUserMedia error shim.
- var origGetUserMedia = navigator.mediaDevices.getUserMedia.
- bind(navigator.mediaDevices);
- navigator.mediaDevices.getUserMedia = function(c) {
- return origGetUserMedia(c).catch(function(e) {
- return Promise.reject(shimError_(e));
- });
- };
-};
-
-},{}],10:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var utils = require('../utils');
-
-module.exports = {
- shimGetUserMedia: require('./getusermedia'),
- shimOnTrack: function(window) {
- if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
- window.RTCPeerConnection.prototype)) {
- Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
- get: function() {
- return this._ontrack;
- },
- set: function(f) {
- if (this._ontrack) {
- this.removeEventListener('track', this._ontrack);
- this.removeEventListener('addstream', this._ontrackpoly);
- }
- this.addEventListener('track', this._ontrack = f);
- this.addEventListener('addstream', this._ontrackpoly = function(e) {
- e.stream.getTracks().forEach(function(track) {
- var event = new Event('track');
- event.track = track;
- event.receiver = {track: track};
- event.transceiver = {receiver: event.receiver};
- event.streams = [e.stream];
- this.dispatchEvent(event);
- }.bind(this));
- }.bind(this));
- }
- });
- }
- if (typeof window === 'object' && window.RTCTrackEvent &&
- ('receiver' in window.RTCTrackEvent.prototype) &&
- !('transceiver' in window.RTCTrackEvent.prototype)) {
- Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
- get: function() {
- return {receiver: this.receiver};
- }
- });
- }
- },
-
- shimSourceObject: function(window) {
- // Firefox has supported mozSrcObject since FF22, unprefixed in 42.
- if (typeof window === 'object') {
- if (window.HTMLMediaElement &&
- !('srcObject' in window.HTMLMediaElement.prototype)) {
- // Shim the srcObject property, once, when HTMLMediaElement is found.
- Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
- get: function() {
- return this.mozSrcObject;
- },
- set: function(stream) {
- this.mozSrcObject = stream;
- }
- });
- }
- }
- },
-
- shimPeerConnection: function(window) {
- var browserDetails = utils.detectBrowser(window);
-
- if (typeof window !== 'object' || !(window.RTCPeerConnection ||
- window.mozRTCPeerConnection)) {
- return; // probably media.peerconnection.enabled=false in about:config
- }
- // The RTCPeerConnection object.
- if (!window.RTCPeerConnection) {
- window.RTCPeerConnection = function(pcConfig, pcConstraints) {
- if (browserDetails.version < 38) {
- // .urls is not supported in FF < 38.
- // create RTCIceServers with a single url.
- if (pcConfig && pcConfig.iceServers) {
- var newIceServers = [];
- for (var i = 0; i < pcConfig.iceServers.length; i++) {
- var server = pcConfig.iceServers[i];
- if (server.hasOwnProperty('urls')) {
- for (var j = 0; j < server.urls.length; j++) {
- var newServer = {
- url: server.urls[j]
- };
- if (server.urls[j].indexOf('turn') === 0) {
- newServer.username = server.username;
- newServer.credential = server.credential;
- }
- newIceServers.push(newServer);
- }
- } else {
- newIceServers.push(pcConfig.iceServers[i]);
- }
- }
- pcConfig.iceServers = newIceServers;
- }
- }
- return new window.mozRTCPeerConnection(pcConfig, pcConstraints);
- };
- window.RTCPeerConnection.prototype =
- window.mozRTCPeerConnection.prototype;
-
- // wrap static methods. Currently just generateCertificate.
- if (window.mozRTCPeerConnection.generateCertificate) {
- Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
- get: function() {
- return window.mozRTCPeerConnection.generateCertificate;
- }
- });
- }
-
- window.RTCSessionDescription = window.mozRTCSessionDescription;
- window.RTCIceCandidate = window.mozRTCIceCandidate;
- }
-
- // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
- ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
- .forEach(function(method) {
- var nativeMethod = window.RTCPeerConnection.prototype[method];
- window.RTCPeerConnection.prototype[method] = function() {
- arguments[0] = new ((method === 'addIceCandidate') ?
- window.RTCIceCandidate :
- window.RTCSessionDescription)(arguments[0]);
- return nativeMethod.apply(this, arguments);
- };
- });
-
- // support for addIceCandidate(null or undefined)
- var nativeAddIceCandidate =
- window.RTCPeerConnection.prototype.addIceCandidate;
- window.RTCPeerConnection.prototype.addIceCandidate = function() {
- if (!arguments[0]) {
- if (arguments[1]) {
- arguments[1].apply(null);
- }
- return Promise.resolve();
- }
- return nativeAddIceCandidate.apply(this, arguments);
- };
-
- // shim getStats with maplike support
- var makeMapStats = function(stats) {
- var map = new Map();
- Object.keys(stats).forEach(function(key) {
- map.set(key, stats[key]);
- map[key] = stats[key];
- });
- return map;
- };
-
- var modernStatsTypes = {
- inboundrtp: 'inbound-rtp',
- outboundrtp: 'outbound-rtp',
- candidatepair: 'candidate-pair',
- localcandidate: 'local-candidate',
- remotecandidate: 'remote-candidate'
- };
-
- var nativeGetStats = window.RTCPeerConnection.prototype.getStats;
- window.RTCPeerConnection.prototype.getStats = function(
- selector,
- onSucc,
- onErr
- ) {
- return nativeGetStats.apply(this, [selector || null])
- .then(function(stats) {
- if (browserDetails.version < 48) {
- stats = makeMapStats(stats);
- }
- if (browserDetails.version < 53 && !onSucc) {
- // Shim only promise getStats with spec-hyphens in type names
- // Leave callback version alone; misc old uses of forEach before Map
- try {
- stats.forEach(function(stat) {
- stat.type = modernStatsTypes[stat.type] || stat.type;
- });
- } catch (e) {
- if (e.name !== 'TypeError') {
- throw e;
- }
- // Avoid TypeError: "type" is read-only, in old versions. 34-43ish
- stats.forEach(function(stat, i) {
- stats.set(i, Object.assign({}, stat, {
- type: modernStatsTypes[stat.type] || stat.type
- }));
- });
- }
- }
- return stats;
- })
- .then(onSucc, onErr);
- };
- },
-
- shimRemoveStream: function(window) {
- if (!window.RTCPeerConnection ||
- 'removeStream' in window.RTCPeerConnection.prototype) {
- return;
- }
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- var pc = this;
- utils.deprecated('removeStream', 'removeTrack');
- this.getSenders().forEach(function(sender) {
- if (sender.track && stream.getTracks().indexOf(sender.track) !== -1) {
- pc.removeTrack(sender);
- }
- });
- };
- }
-};
-
-},{"../utils":13,"./getusermedia":11}],11:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var utils = require('../utils');
-var logging = utils.log;
-
-// Expose public methods.
-module.exports = function(window) {
- var browserDetails = utils.detectBrowser(window);
- var navigator = window && window.navigator;
- var MediaStreamTrack = window && window.MediaStreamTrack;
-
- var shimError_ = function(e) {
- return {
- name: {
- InternalError: 'NotReadableError',
- NotSupportedError: 'TypeError',
- PermissionDeniedError: 'NotAllowedError',
- SecurityError: 'NotAllowedError'
- }[e.name] || e.name,
- message: {
- 'The operation is insecure.': 'The request is not allowed by the ' +
- 'user agent or the platform in the current context.'
- }[e.message] || e.message,
- constraint: e.constraint,
- toString: function() {
- return this.name + (this.message && ': ') + this.message;
- }
- };
- };
-
- // getUserMedia constraints shim.
- var getUserMedia_ = function(constraints, onSuccess, onError) {
- var constraintsToFF37_ = function(c) {
- if (typeof c !== 'object' || c.require) {
- return c;
- }
- var require = [];
- Object.keys(c).forEach(function(key) {
- if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
- return;
- }
- var r = c[key] = (typeof c[key] === 'object') ?
- c[key] : {ideal: c[key]};
- if (r.min !== undefined ||
- r.max !== undefined || r.exact !== undefined) {
- require.push(key);
- }
- if (r.exact !== undefined) {
- if (typeof r.exact === 'number') {
- r. min = r.max = r.exact;
- } else {
- c[key] = r.exact;
- }
- delete r.exact;
- }
- if (r.ideal !== undefined) {
- c.advanced = c.advanced || [];
- var oc = {};
- if (typeof r.ideal === 'number') {
- oc[key] = {min: r.ideal, max: r.ideal};
- } else {
- oc[key] = r.ideal;
- }
- c.advanced.push(oc);
- delete r.ideal;
- if (!Object.keys(r).length) {
- delete c[key];
- }
- }
- });
- if (require.length) {
- c.require = require;
- }
- return c;
- };
- constraints = JSON.parse(JSON.stringify(constraints));
- if (browserDetails.version < 38) {
- logging('spec: ' + JSON.stringify(constraints));
- if (constraints.audio) {
- constraints.audio = constraintsToFF37_(constraints.audio);
- }
- if (constraints.video) {
- constraints.video = constraintsToFF37_(constraints.video);
- }
- logging('ff37: ' + JSON.stringify(constraints));
- }
- return navigator.mozGetUserMedia(constraints, onSuccess, function(e) {
- onError(shimError_(e));
- });
- };
-
- // Returns the result of getUserMedia as a Promise.
- var getUserMediaPromise_ = function(constraints) {
- return new Promise(function(resolve, reject) {
- getUserMedia_(constraints, resolve, reject);
- });
- };
-
- // Shim for mediaDevices on older versions.
- if (!navigator.mediaDevices) {
- navigator.mediaDevices = {getUserMedia: getUserMediaPromise_,
- addEventListener: function() { },
- removeEventListener: function() { }
- };
- }
- navigator.mediaDevices.enumerateDevices =
- navigator.mediaDevices.enumerateDevices || function() {
- return new Promise(function(resolve) {
- var infos = [
- {kind: 'audioinput', deviceId: 'default', label: '', groupId: ''},
- {kind: 'videoinput', deviceId: 'default', label: '', groupId: ''}
- ];
- resolve(infos);
- });
- };
-
- if (browserDetails.version < 41) {
- // Work around http://bugzil.la/1169665
- var orgEnumerateDevices =
- navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);
- navigator.mediaDevices.enumerateDevices = function() {
- return orgEnumerateDevices().then(undefined, function(e) {
- if (e.name === 'NotFoundError') {
- return [];
- }
- throw e;
- });
- };
- }
- if (browserDetails.version < 49) {
- var origGetUserMedia = navigator.mediaDevices.getUserMedia.
- bind(navigator.mediaDevices);
- navigator.mediaDevices.getUserMedia = function(c) {
- return origGetUserMedia(c).then(function(stream) {
- // Work around https://bugzil.la/802326
- if (c.audio && !stream.getAudioTracks().length ||
- c.video && !stream.getVideoTracks().length) {
- stream.getTracks().forEach(function(track) {
- track.stop();
- });
- throw new DOMException('The object can not be found here.',
- 'NotFoundError');
- }
- return stream;
- }, function(e) {
- return Promise.reject(shimError_(e));
- });
- };
- }
- if (!(browserDetails.version > 55 &&
- 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
- var remap = function(obj, a, b) {
- if (a in obj && !(b in obj)) {
- obj[b] = obj[a];
- delete obj[a];
- }
- };
-
- var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.
- bind(navigator.mediaDevices);
- navigator.mediaDevices.getUserMedia = function(c) {
- if (typeof c === 'object' && typeof c.audio === 'object') {
- c = JSON.parse(JSON.stringify(c));
- remap(c.audio, 'autoGainControl', 'mozAutoGainControl');
- remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');
- }
- return nativeGetUserMedia(c);
- };
-
- if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
- var nativeGetSettings = MediaStreamTrack.prototype.getSettings;
- MediaStreamTrack.prototype.getSettings = function() {
- var obj = nativeGetSettings.apply(this, arguments);
- remap(obj, 'mozAutoGainControl', 'autoGainControl');
- remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
- return obj;
- };
- }
-
- if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
- var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;
- MediaStreamTrack.prototype.applyConstraints = function(c) {
- if (this.kind === 'audio' && typeof c === 'object') {
- c = JSON.parse(JSON.stringify(c));
- remap(c, 'autoGainControl', 'mozAutoGainControl');
- remap(c, 'noiseSuppression', 'mozNoiseSuppression');
- }
- return nativeApplyConstraints.apply(this, [c]);
- };
- }
- }
- navigator.getUserMedia = function(constraints, onSuccess, onError) {
- if (browserDetails.version < 44) {
- return getUserMedia_(constraints, onSuccess, onError);
- }
- // Replace Firefox 44+'s deprecation warning with unprefixed version.
- utils.deprecated('navigator.getUserMedia',
- 'navigator.mediaDevices.getUserMedia');
- navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
- };
-};
-
-},{"../utils":13}],12:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
-'use strict';
-var utils = require('../utils');
-
-module.exports = {
- shimLocalStreamsAPI: function(window) {
- if (typeof window !== 'object' || !window.RTCPeerConnection) {
- return;
- }
- if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {
- window.RTCPeerConnection.prototype.getLocalStreams = function() {
- if (!this._localStreams) {
- this._localStreams = [];
- }
- return this._localStreams;
- };
- }
- if (!('getStreamById' in window.RTCPeerConnection.prototype)) {
- window.RTCPeerConnection.prototype.getStreamById = function(id) {
- var result = null;
- if (this._localStreams) {
- this._localStreams.forEach(function(stream) {
- if (stream.id === id) {
- result = stream;
- }
- });
- }
- if (this._remoteStreams) {
- this._remoteStreams.forEach(function(stream) {
- if (stream.id === id) {
- result = stream;
- }
- });
- }
- return result;
- };
- }
- if (!('addStream' in window.RTCPeerConnection.prototype)) {
- var _addTrack = window.RTCPeerConnection.prototype.addTrack;
- window.RTCPeerConnection.prototype.addStream = function(stream) {
- if (!this._localStreams) {
- this._localStreams = [];
- }
- if (this._localStreams.indexOf(stream) === -1) {
- this._localStreams.push(stream);
- }
- var pc = this;
- stream.getTracks().forEach(function(track) {
- _addTrack.call(pc, track, stream);
- });
- };
-
- window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
- if (stream) {
- if (!this._localStreams) {
- this._localStreams = [stream];
- } else if (this._localStreams.indexOf(stream) === -1) {
- this._localStreams.push(stream);
- }
- }
- return _addTrack.call(this, track, stream);
- };
- }
- if (!('removeStream' in window.RTCPeerConnection.prototype)) {
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- if (!this._localStreams) {
- this._localStreams = [];
- }
- var index = this._localStreams.indexOf(stream);
- if (index === -1) {
- return;
- }
- this._localStreams.splice(index, 1);
- var pc = this;
- var tracks = stream.getTracks();
- this.getSenders().forEach(function(sender) {
- if (tracks.indexOf(sender.track) !== -1) {
- pc.removeTrack(sender);
- }
- });
- };
- }
- },
- shimRemoteStreamsAPI: function(window) {
- if (typeof window !== 'object' || !window.RTCPeerConnection) {
- return;
- }
- if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {
- window.RTCPeerConnection.prototype.getRemoteStreams = function() {
- return this._remoteStreams ? this._remoteStreams : [];
- };
- }
- if (!('onaddstream' in window.RTCPeerConnection.prototype)) {
- Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {
- get: function() {
- return this._onaddstream;
- },
- set: function(f) {
- var pc = this;
- if (this._onaddstream) {
- this.removeEventListener('addstream', this._onaddstream);
- this.removeEventListener('track', this._onaddstreampoly);
- }
- this.addEventListener('addstream', this._onaddstream = f);
- this.addEventListener('track', this._onaddstreampoly = function(e) {
- e.streams.forEach(function(stream) {
- if (!pc._remoteStreams) {
- pc._remoteStreams = [];
- }
- if (pc._remoteStreams.indexOf(stream) >= 0) {
- return;
- }
- pc._remoteStreams.push(stream);
- var event = new Event('addstream');
- event.stream = stream;
- pc.dispatchEvent(event);
- });
- });
- }
- });
- }
- },
- shimCallbacksAPI: function(window) {
- if (typeof window !== 'object' || !window.RTCPeerConnection) {
- return;
- }
- var prototype = window.RTCPeerConnection.prototype;
- var createOffer = prototype.createOffer;
- var createAnswer = prototype.createAnswer;
- var setLocalDescription = prototype.setLocalDescription;
- var setRemoteDescription = prototype.setRemoteDescription;
- var addIceCandidate = prototype.addIceCandidate;
-
- prototype.createOffer = function(successCallback, failureCallback) {
- var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
- var promise = createOffer.apply(this, [options]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
-
- prototype.createAnswer = function(successCallback, failureCallback) {
- var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
- var promise = createAnswer.apply(this, [options]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
-
- var withCallback = function(description, successCallback, failureCallback) {
- var promise = setLocalDescription.apply(this, [description]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
- prototype.setLocalDescription = withCallback;
-
- withCallback = function(description, successCallback, failureCallback) {
- var promise = setRemoteDescription.apply(this, [description]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
- prototype.setRemoteDescription = withCallback;
-
- withCallback = function(candidate, successCallback, failureCallback) {
- var promise = addIceCandidate.apply(this, [candidate]);
- if (!failureCallback) {
- return promise;
- }
- promise.then(successCallback, failureCallback);
- return Promise.resolve();
- };
- prototype.addIceCandidate = withCallback;
- },
- shimGetUserMedia: function(window) {
- var navigator = window && window.navigator;
-
- if (!navigator.getUserMedia) {
- if (navigator.webkitGetUserMedia) {
- navigator.getUserMedia = navigator.webkitGetUserMedia.bind(navigator);
- } else if (navigator.mediaDevices &&
- navigator.mediaDevices.getUserMedia) {
- navigator.getUserMedia = function(constraints, cb, errcb) {
- navigator.mediaDevices.getUserMedia(constraints)
- .then(cb, errcb);
- }.bind(navigator);
- }
- }
- },
- shimRTCIceServerUrls: function(window) {
- // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
- var OrigPeerConnection = window.RTCPeerConnection;
- window.RTCPeerConnection = function(pcConfig, pcConstraints) {
- if (pcConfig && pcConfig.iceServers) {
- var newIceServers = [];
- for (var i = 0; i < pcConfig.iceServers.length; i++) {
- var server = pcConfig.iceServers[i];
- if (!server.hasOwnProperty('urls') &&
- server.hasOwnProperty('url')) {
- utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
- server = JSON.parse(JSON.stringify(server));
- server.urls = server.url;
- delete server.url;
- newIceServers.push(server);
- } else {
- newIceServers.push(pcConfig.iceServers[i]);
- }
- }
- pcConfig.iceServers = newIceServers;
- }
- return new OrigPeerConnection(pcConfig, pcConstraints);
- };
- window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
- // wrap static methods. Currently just generateCertificate.
- if ('generateCertificate' in window.RTCPeerConnection) {
- Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
- get: function() {
- return OrigPeerConnection.generateCertificate;
- }
- });
- }
- },
- shimTrackEventTransceiver: function(window) {
- // Add event.transceiver member over deprecated event.receiver
- if (typeof window === 'object' && window.RTCPeerConnection &&
- ('receiver' in window.RTCTrackEvent.prototype) &&
- // can't check 'transceiver' in window.RTCTrackEvent.prototype, as it is
- // defined for some reason even when window.RTCTransceiver is not.
- !window.RTCTransceiver) {
- Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
- get: function() {
- return {receiver: this.receiver};
- }
- });
- }
- },
-
- shimCreateOfferLegacy: function(window) {
- var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
- window.RTCPeerConnection.prototype.createOffer = function(offerOptions) {
- var pc = this;
- if (offerOptions) {
- var audioTransceiver = pc.getTransceivers().find(function(transceiver) {
- return transceiver.sender.track &&
- transceiver.sender.track.kind === 'audio';
- });
- if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {
- if (audioTransceiver.direction === 'sendrecv') {
- if (audioTransceiver.setDirection) {
- audioTransceiver.setDirection('sendonly');
- } else {
- audioTransceiver.direction = 'sendonly';
- }
- } else if (audioTransceiver.direction === 'recvonly') {
- if (audioTransceiver.setDirection) {
- audioTransceiver.setDirection('inactive');
- } else {
- audioTransceiver.direction = 'inactive';
- }
- }
- } else if (offerOptions.offerToReceiveAudio === true &&
- !audioTransceiver) {
- pc.addTransceiver('audio');
- }
-
- var videoTransceiver = pc.getTransceivers().find(function(transceiver) {
- return transceiver.sender.track &&
- transceiver.sender.track.kind === 'video';
- });
- if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {
- if (videoTransceiver.direction === 'sendrecv') {
- videoTransceiver.setDirection('sendonly');
- } else if (videoTransceiver.direction === 'recvonly') {
- videoTransceiver.setDirection('inactive');
- }
- } else if (offerOptions.offerToReceiveVideo === true &&
- !videoTransceiver) {
- pc.addTransceiver('video');
- }
- }
- return origCreateOffer.apply(pc, arguments);
- };
- }
-};
-
-},{"../utils":13}],13:[function(require,module,exports){
-/*
- * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree.
- */
- /* eslint-env node */
-'use strict';
-
-var logDisabled_ = true;
-var deprecationWarnings_ = true;
-
-/**
- * Extract browser version out of the provided user agent string.
- *
- * @param {!string} uastring userAgent string.
- * @param {!string} expr Regular expression used as match criteria.
- * @param {!number} pos position in the version string to be returned.
- * @return {!number} browser version.
- */
-function extractVersion(uastring, expr, pos) {
- var match = uastring.match(expr);
- return match && match.length >= pos && parseInt(match[pos], 10);
-}
-
-// Wraps the peerconnection event eventNameToWrap in a function
-// which returns the modified event object.
-function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {
- if (!window.RTCPeerConnection) {
- return;
- }
- var proto = window.RTCPeerConnection.prototype;
- var nativeAddEventListener = proto.addEventListener;
- proto.addEventListener = function(nativeEventName, cb) {
- if (nativeEventName !== eventNameToWrap) {
- return nativeAddEventListener.apply(this, arguments);
- }
- var wrappedCallback = function(e) {
- cb(wrapper(e));
- };
- this._eventMap = this._eventMap || {};
- this._eventMap[cb] = wrappedCallback;
- return nativeAddEventListener.apply(this, [nativeEventName,
- wrappedCallback]);
- };
-
- var nativeRemoveEventListener = proto.removeEventListener;
- proto.removeEventListener = function(nativeEventName, cb) {
- if (nativeEventName !== eventNameToWrap || !this._eventMap
- || !this._eventMap[cb]) {
- return nativeRemoveEventListener.apply(this, arguments);
- }
- var unwrappedCb = this._eventMap[cb];
- delete this._eventMap[cb];
- return nativeRemoveEventListener.apply(this, [nativeEventName,
- unwrappedCb]);
- };
-
- Object.defineProperty(proto, 'on' + eventNameToWrap, {
- get: function() {
- return this['_on' + eventNameToWrap];
- },
- set: function(cb) {
- if (this['_on' + eventNameToWrap]) {
- this.removeEventListener(eventNameToWrap,
- this['_on' + eventNameToWrap]);
- delete this['_on' + eventNameToWrap];
- }
- if (cb) {
- this.addEventListener(eventNameToWrap,
- this['_on' + eventNameToWrap] = cb);
- }
- }
- });
-}
-
-// Utility methods.
-module.exports = {
- extractVersion: extractVersion,
- wrapPeerConnectionEvent: wrapPeerConnectionEvent,
- disableLog: function(bool) {
- if (typeof bool !== 'boolean') {
- return new Error('Argument type: ' + typeof bool +
- '. Please use a boolean.');
- }
- logDisabled_ = bool;
- return (bool) ? 'adapter.js logging disabled' :
- 'adapter.js logging enabled';
- },
-
- /**
- * Disable or enable deprecation warnings
- * @param {!boolean} bool set to true to disable warnings.
- */
- disableWarnings: function(bool) {
- if (typeof bool !== 'boolean') {
- return new Error('Argument type: ' + typeof bool +
- '. Please use a boolean.');
- }
- deprecationWarnings_ = !bool;
- return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');
- },
-
- log: function() {
- if (typeof window === 'object') {
- if (logDisabled_) {
- return;
- }
- if (typeof console !== 'undefined' && typeof console.log === 'function') {
- console.log.apply(console, arguments);
- }
- }
- },
-
- /**
- * Shows a deprecation warning suggesting the modern and spec-compatible API.
- */
- deprecated: function(oldMethod, newMethod) {
- if (!deprecationWarnings_) {
- return;
- }
- console.warn(oldMethod + ' is deprecated, please use ' + newMethod +
- ' instead.');
- },
-
- /**
- * Browser detector.
- *
- * @return {object} result containing browser and version
- * properties.
- */
- detectBrowser: function(window) {
- var navigator = window && window.navigator;
-
- // Returned result object.
- var result = {};
- result.browser = null;
- result.version = null;
-
- // Fail early if it's not a browser
- if (typeof window === 'undefined' || !window.navigator) {
- result.browser = 'Not a browser.';
- return result;
- }
-
- if (navigator.mozGetUserMedia) { // Firefox.
- result.browser = 'firefox';
- result.version = extractVersion(navigator.userAgent,
- /Firefox\/(\d+)\./, 1);
- } else if (navigator.webkitGetUserMedia) {
- // Chrome, Chromium, Webview, Opera.
- // Version matches Chrome/WebRTC version.
- result.browser = 'chrome';
- result.version = extractVersion(navigator.userAgent,
- /Chrom(e|ium)\/(\d+)\./, 2);
- } else if (navigator.mediaDevices &&
- navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) { // Edge.
- result.browser = 'edge';
- result.version = extractVersion(navigator.userAgent,
- /Edge\/(\d+).(\d+)$/, 2);
- } else if (navigator.mediaDevices &&
- navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) { // Safari.
- result.browser = 'safari';
- result.version = extractVersion(navigator.userAgent,
- /AppleWebKit\/(\d+)\./, 1);
- } else { // Default fallthrough: not supported.
- result.browser = 'Not a supported browser.';
- return result;
- }
-
- return result;
- }
-};
-
-},{}]},{},[3])(3)
-});
\ No newline at end of file
+(function($){function findLine(sdpLines,prefix,substr){return findLineInRange(sdpLines,0,-1,prefix,substr);}
+function findLineInRange(sdpLines,startLine,endLine,prefix,substr){var realEndLine=(endLine!=-1)?endLine:sdpLines.length;for(var i=startLine;i=0;if(iOS){self.options.useVideo.setAttribute("playsinline",true);}}
+var element=self.options.useAudio;console.log("REMOTE STREAM",stream,element);FSRTCattachMediaStream(element,stream);self.remoteStream=stream;onRemoteStreamSuccess(self,stream);}
+function onOfferSDP(self,sdp){self.mediaData.SDP=self.stereoHack(sdp.sdp);console.log("Offer SDP");doCallback(self,"onOfferSDP");}
+$.FSRTC.prototype.answer=function(sdp,onSuccess,onError){this.peer.addAnswerSDP({type:"answer",sdp:sdp},onSuccess,onError);};$.FSRTC.prototype.stopPeer=function(){if(self.peer){console.log("stopping peer");self.peer.stop();}}
+$.FSRTC.prototype.stop=function(){var self=this;if(self.options.useVideo){self.options.useVideo.style.display='none';self.options.useVideo['src']='';}
+if(self.localStream&&!self.options.useStream){if(typeof self.localStream.stop=='function'){self.localStream.stop();}else{if(self.localStream.active){var tracks=self.localStream.getTracks();console.log(tracks);tracks.forEach(function(track,index){console.log(track);track.stop();})}}
+self.localStream=null;}
+if(self.options.localVideo){deactivateLocalVideo(self.options.localVideo);}
+if(self.options.localVideoStream&&!self.options.useStream){if(typeof self.options.localVideoStream.stop=='function'){self.options.localVideoStream.stop();}else{if(self.options.localVideoStream.active){var tracks=self.options.localVideoStream.getTracks();console.log(tracks);tracks.forEach(function(track,index){console.log(track);track.stop();})}}}
+if(self.peer){console.log("stopping peer");self.peer.stop();}};$.FSRTC.prototype.getMute=function(){var self=this;return self.audioEnabled;}
+$.FSRTC.prototype.setMute=function(what){var self=this;if(!self.localStream){return false;}
+var audioTracks=self.localStream.getAudioTracks();for(var i=0,len=audioTracks.length;i=w&&$.FSRTC.validRes[i][1]>=h){w=$.FSRTC.validRes[i][0];h=$.FSRTC.validRes[i][1];}}
+return[w,h];}
+var resList=[[160,120],[320,180],[320,240],[640,360],[640,480],[1280,720],[1920,1080]];var resI=0;var ttl=0;var checkRes=function(cam,func){if(resI>=resList.length){var res={'validRes':$.FSRTC.validRes,'bestResSupported':$.FSRTC.bestResSupported()};localStorage.setItem("res_"+cam,$.toJSON(res));if(func)return func(res);return;}
+w=resList[resI][0];h=resList[resI][1];resI++;var video={width:{exact:w},height:{exact:h}};if(cam!=="any"){video=assignMediaIdToConstraint(cam,video);}
+getUserMedia({constraints:{audio:ttl++==0,video:video},onsuccess:function(e){e.getTracks().forEach(function(track){track.stop();});console.info(w+"x"+h+" supported.");$.FSRTC.validRes.push([w,h]);checkRes(cam,func);},onerror:function(e){console.warn(w+"x"+h+" not supported.");checkRes(cam,func);}});}
+$.FSRTC.getValidRes=function(cam,func){var used=[];var cached=localStorage.getItem("res_"+cam);if(cached){var cache=$.parseJSON(cached);if(cache){$.FSRTC.validRes=cache.validRes;console.log("CACHED RES FOR CAM "+cam,cache);}else{console.error("INVALID CACHE");}
+return func?func(cache):null;}
+$.FSRTC.validRes=[];resI=0;checkRes(cam,func);}
+$.FSRTC.checkPerms=function(runtime,check_audio,check_video){getUserMedia({constraints:{audio:check_audio,video:check_video,},onsuccess:function(e){e.getTracks().forEach(function(track){track.stop();});console.info("media perm init complete");if(runtime){setTimeout(runtime,100,true);}},onerror:function(e){if(check_video&&check_audio){console.error("error, retesting with audio params only");return $.FSRTC.checkPerms(runtime,check_audio,false);}
+console.error("media perm init error");if(runtime){runtime(false)}}});}})(jQuery);(function($){$.JsonRpcClient=function(options){var self=this;this.options=$.extend({ajaxUrl:null,socketUrl:null,onmessage:null,login:null,passwd:null,sessid:null,loginParams:null,userVariables:null,getSocket:function(onmessage_cb){return self._getSocket(onmessage_cb);}},options);self.ws_cnt=0;this.wsOnMessage=function(event){self._wsOnMessage(event);};};$.JsonRpcClient.prototype._ws_socket=null;$.JsonRpcClient.prototype._ws_callbacks={};$.JsonRpcClient.prototype._current_id=1;$.JsonRpcClient.prototype.speedTest=function(bytes,cb){var socket=this.options.getSocket(this.wsOnMessage);if(socket!==null){this.speedCB=cb;this.speedBytes=bytes;socket.send("#SPU "+bytes);var loops=bytes/1024;var rem=bytes%1024;var i;var data=new Array(1024).join(".");for(i=0;i1){return false;}
+return true;};$.JsonRpcClient.prototype.closeSocket=function(){var self=this;if(self.socketReady()){self._ws_socket.onclose=function(w){console.log("Closing Socket");};self._ws_socket.close();}};$.JsonRpcClient.prototype.loginData=function(params){var self=this;self.options.login=params.login;self.options.passwd=params.passwd;self.options.loginParams=params.loginParams;self.options.userVariables=params.userVariables;};$.JsonRpcClient.prototype.connectSocket=function(onmessage_cb){var self=this;if(self.to){clearTimeout(self.to);}
+if(!self.socketReady()){self.authing=false;if(self._ws_socket){delete self._ws_socket;}
+self._ws_socket=new WebSocket(self.options.socketUrl);if(self._ws_socket){self._ws_socket.onmessage=onmessage_cb;self._ws_socket.onclose=function(w){if(!self.ws_sleep){self.ws_sleep=1000;}
+if(self.options.onWSClose){self.options.onWSClose(self);}
+if(self.ws_cnt>10&&self.options.wsFallbackURL){self.options.socketUrl=self.options.wsFallbackURL;}
+console.error("Websocket Lost "+self.ws_cnt+" sleep: "+self.ws_sleep+"msec");self.to=setTimeout(function(){console.log("Attempting Reconnection....");self.connectSocket(onmessage_cb);},self.ws_sleep);self.ws_cnt++;if(self.ws_sleep<3000&&(self.ws_cnt%10)===0){self.ws_sleep+=1000;}};self._ws_socket.onopen=function(){if(self.to){clearTimeout(self.to);}
+self.ws_sleep=1000;self.ws_cnt=0;if(self.options.onWSConnect){self.options.onWSConnect(self);}
+var req;while((req=$.JsonRpcClient.q.pop())){self._ws_socket.send(req);}};}}
+return self._ws_socket?true:false;};$.JsonRpcClient.prototype.stopRetrying=function(){if(self.to)
+clearTimeout(self.to);}
+$.JsonRpcClient.prototype._getSocket=function(onmessage_cb){if(this.options.socketUrl===null||!("WebSocket"in window))return null;this.connectSocket(onmessage_cb);return this._ws_socket;};$.JsonRpcClient.q=[];$.JsonRpcClient.prototype._wsCall=function(socket,request,success_cb,error_cb){var request_json=$.toJSON(request);if(socket.readyState<1){self=this;$.JsonRpcClient.q.push(request_json);}else{socket.send(request_json);}
+if('id'in request&&typeof success_cb!=='undefined'){this._ws_callbacks[request.id]={request:request_json,request_obj:request,success_cb:success_cb,error_cb:error_cb};}};$.JsonRpcClient.prototype._wsOnMessage=function(event){var response;if(event.data[0]=="#"&&event.data[1]=="S"&&event.data[2]=="P"){if(event.data[3]=="U"){this.up_dur=parseInt(event.data.substring(4));}else if(this.speedCB&&event.data[3]=="D"){this.down_dur=parseInt(event.data.substring(4));var up_kps=(((this.speedBytes*8)/(this.up_dur/1000))/1024).toFixed(0);var down_kps=(((this.speedBytes*8)/(this.down_dur/1000))/1024).toFixed(0);console.info("Speed Test: Up: "+up_kps+" Down: "+down_kps);var cb=this.speedCB;this.speedCB=null;cb(event,{upDur:this.up_dur,downDur:this.down_dur,upKPS:up_kps,downKPS:down_kps});}
+return;}
+try{response=$.parseJSON(event.data);if(typeof response==='object'&&'jsonrpc'in response&&response.jsonrpc==='2.0'){if('result'in response&&this._ws_callbacks[response.id]){var success_cb=this._ws_callbacks[response.id].success_cb;delete this._ws_callbacks[response.id];success_cb(response.result,this);return;}else if('error'in response&&this._ws_callbacks[response.id]){var error_cb=this._ws_callbacks[response.id].error_cb;var orig_req=this._ws_callbacks[response.id].request;if(!self.authing&&response.error.code==-32000&&self.options.login&&self.options.passwd){self.authing=true;this.call("login",{login:self.options.login,passwd:self.options.passwd,loginParams:self.options.loginParams,userVariables:self.options.userVariables},this._ws_callbacks[response.id].request_obj.method=="login"?function(e){self.authing=false;console.log("logged in");delete self._ws_callbacks[response.id];if(self.options.onWSLogin){self.options.onWSLogin(true,self);}}:function(e){self.authing=false;console.log("logged in, resending request id: "+response.id);var socket=self.options.getSocket(self.wsOnMessage);if(socket!==null){socket.send(orig_req);}
+if(self.options.onWSLogin){self.options.onWSLogin(true,self);}},function(e){console.log("error logging in, request id:",response.id);delete self._ws_callbacks[response.id];error_cb(response.error,this);if(self.options.onWSLogin){self.options.onWSLogin(false,self);}});return;}
+delete this._ws_callbacks[response.id];error_cb(response.error,this);return;}}}catch(err){console.log("ERROR: "+err);return;}
+if(typeof this.options.onmessage==='function'){event.eventData=response;if(!event.eventData){event.eventData={};}
+var reply=this.options.onmessage(event);if(reply&&typeof reply==="object"&&event.eventData.id){var msg={jsonrpc:"2.0",id:event.eventData.id,result:reply};var socket=self.options.getSocket(self.wsOnMessage);if(socket!==null){socket.send($.toJSON(msg));}}}};$.JsonRpcClient._batchObject=function(jsonrpcclient,all_done_cb,error_cb){this._requests=[];this.jsonrpcclient=jsonrpcclient;this.all_done_cb=all_done_cb;this.error_cb=typeof error_cb==='function'?error_cb:function(){};};$.JsonRpcClient._batchObject.prototype.call=function(method,params,success_cb,error_cb){if(!params){params={};}
+if(this.options.sessid){params.sessid=this.options.sessid;}
+if(!success_cb){success_cb=function(e){console.log("Success: ",e);};}
+if(!error_cb){error_cb=function(e){console.log("Error: ",e);};}
+this._requests.push({request:{jsonrpc:'2.0',method:method,params:params,id:this.jsonrpcclient._current_id++},success_cb:success_cb,error_cb:error_cb});};$.JsonRpcClient._batchObject.prototype.notify=function(method,params){if(this.options.sessid){params.sessid=this.options.sessid;}
+this._requests.push({request:{jsonrpc:'2.0',method:method,params:params}});};$.JsonRpcClient._batchObject.prototype._execute=function(){var self=this;if(this._requests.length===0)return;var batch_request=[];var handlers={};var i=0;var call;var success_cb;var error_cb;var socket=self.jsonrpcclient.options.getSocket(self.jsonrpcclient.wsOnMessage);if(socket!==null){for(i=0;i0){data.params.useVideo=true;}
+if(data.params.sdp&&data.params.sdp.indexOf("stereo=1")>0){data.params.useStereo=true;}
+dialog=new $.verto.dialog($.verto.enum.direction.inbound,verto,data.params);dialog.setState($.verto.enum.state.recovering);break;case'verto.invite':if(data.params.sdp&&data.params.sdp.indexOf("m=video")>0){data.params.wantVideo=true;}
+if(data.params.sdp&&data.params.sdp.indexOf("stereo=1")>0){data.params.useStereo=true;}
+dialog=new $.verto.dialog($.verto.enum.direction.inbound,verto,data.params);break;default:console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED");break;}}
+return{method:data.method};}else{switch(data.method){case'verto.punt':verto.purge();verto.logout();break;case'verto.event':var list=null;var key=null;if(data.params){key=data.params.eventChannel;}
+if(key){list=verto.eventSUBS[key];if(!list){list=verto.eventSUBS[key.split(".")[0]];}}
+if(!list&&key&&key===verto.sessid){if(verto.callbacks.onMessage){verto.callbacks.onMessage(verto,null,$.verto.enum.message.pvtEvent,data.params);}}else if(!list&&key&&verto.dialogs[key]){verto.dialogs[key].sendMessage($.verto.enum.message.pvtEvent,data.params);}else if(!list){if(!key){key="UNDEFINED";}
+console.error("UNSUBBED or invalid EVENT "+key+" IGNORED");}else{for(var i in list){var sub=list[i];if(!sub||!sub.ready){console.error("invalid EVENT for "+key+" IGNORED");}else if(sub.handler){sub.handler(verto,data.params,sub.userData);}else if(verto.callbacks.onEvent){verto.callbacks.onEvent(verto,data.params,sub.userData);}else{console.log("EVENT:",data.params);}}}
+break;case"verto.info":if(verto.callbacks.onMessage){verto.callbacks.onMessage(verto,null,$.verto.enum.message.info,data.params.msg);}
+console.debug("MESSAGE from: "+data.params.msg.from,data.params.msg.body);break;case'verto.clientReady':if(verto.callbacks.onMessage){verto.callbacks.onMessage(verto,null,$.verto.enum.message.clientReady,data.params);}
+console.debug("CLIENT READY",data.params);break;default:console.error("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED",data.method);break;}}};var del_array=function(array,name){var r=[];var len=array.length;for(var i=0;i=array.length){array.push(name);}else{var x=0;var n=[];var len=array.length;for(var i=0;i":"\n");});return str;};};$.verto.liveArray=function(verto,context,name,config){var la=this;var lastSerno=0;var binding=null;var user_obj=config.userObj;var local=false;hashArray.call(la);la._add=la.add;la._del=la.del;la._reorder=la.reorder;la._clear=la.clear;la.context=context;la.name=name;la.user_obj=user_obj;la.verto=verto;la.broadcast=function(channel,obj){verto.broadcast(channel,obj);};la.errs=0;la.clear=function(){la._clear();lastSerno=0;if(la.onChange){la.onChange(la,{action:"clear"});}};la.checkSerno=function(serno){if(serno<0){return true;}
+if(lastSerno>0&&serno!=(lastSerno+1)){if(la.onErr){la.onErr(la,{lastSerno:lastSerno,serno:serno});}
+la.errs++;console.debug(la.errs);if(la.errs<3){la.bootstrap(la.user_obj);}
+return false;}else{lastSerno=serno;return true;}};la.reorder=function(serno,a){if(la.checkSerno(serno)){la._reorder(a);if(la.onChange){la.onChange(la,{serno:serno,action:"reorder"});}}};la.init=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
+if(la.checkSerno(serno)){if(la.onChange){la.onChange(la,{serno:serno,action:"init",index:index,key:key,data:val});}}};la.bootObj=function(serno,val){if(la.checkSerno(serno)){for(var i in val){la._add(val[i][0],val[i][1]);}
+if(la.onChange){la.onChange(la,{serno:serno,action:"bootObj",data:val,redraw:true});}}};la.add=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
+if(la.checkSerno(serno)){var redraw=la._add(key,val,index);if(la.onChange){la.onChange(la,{serno:serno,action:"add",index:index,key:key,data:val,redraw:redraw});}}};la.modify=function(serno,val,key,index){if(key===null||key===undefined){key=serno;}
+if(la.checkSerno(serno)){la._add(key,val,index);if(la.onChange){la.onChange(la,{serno:serno,action:"modify",key:key,data:val,index:index});}}};la.del=function(serno,key,index){if(key===null||key===undefined){key=serno;}
+if(la.checkSerno(serno)){if(index===null||index<0||index===undefined){index=la.indexOf(key);}
+var ok=la._del(key);if(ok&&la.onChange){la.onChange(la,{serno:serno,action:"del",key:key,index:index});}}};var eventHandler=function(v,e,la){var packet=e.data;if(packet.name!=la.name){return;}
+switch(packet.action){case"init":la.init(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);break;case"bootObj":la.bootObj(packet.wireSerno,packet.data);break;case"add":la.add(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);break;case"modify":if(!(packet.arrIndex||packet.hashKey)){console.error("Invalid Packet",packet);}else{la.modify(packet.wireSerno,packet.data,packet.hashKey,packet.arrIndex);}
+break;case"del":if(!(packet.arrIndex||packet.hashKey)){console.error("Invalid Packet",packet);}else{la.del(packet.wireSerno,packet.hashKey,packet.arrIndex);}
+break;case"clear":la.clear();break;case"reorder":la.reorder(packet.wireSerno,packet.order);break;default:if(la.checkSerno(packet.wireSerno)){if(la.onChange){la.onChange(la,{serno:packet.wireSerno,action:packet.action,data:packet.data});}}
+break;}};if(la.context){binding=la.verto.subscribe(la.context,{handler:eventHandler,userData:la,subParams:config.subParams});}
+la.destroy=function(){la._clear();la.verto.unsubscribe(binding);};la.sendCommand=function(cmd,obj){var self=la;self.broadcast(self.context,{liveArray:{command:cmd,context:self.context,name:self.name,obj:obj}});};la.bootstrap=function(obj){var self=la;la.sendCommand("bootstrap",obj);};la.changepage=function(obj){var self=la;self.clear();self.broadcast(self.context,{liveArray:{command:"changepage",context:la.context,name:la.name,obj:obj}});};la.heartbeat=function(obj){var self=la;var callback=function(){self.heartbeat.call(self,obj);};self.broadcast(self.context,{liveArray:{command:"heartbeat",context:self.context,name:self.name,obj:obj}});self.hb_pid=setTimeout(callback,30000);};la.bootstrap(la.user_obj);};$.verto.liveTable=function(verto,context,name,jq,config){var dt;var la=new $.verto.liveArray(verto,context,name,{subParams:config.subParams});var lt=this;lt.liveArray=la;lt.dataTable=dt;lt.verto=verto;lt.destroy=function(){if(dt){dt.fnDestroy();}
+if(la){la.destroy();}
+dt=null;la=null;};la.onErr=function(obj,args){console.error("Error: ",obj,args);};function genRow(data){if(typeof(data[4])==="string"&&data[4].indexOf("{")>-1){var tmp=$.parseJSON(data[4]);data[4]=tmp.oldStatus;data[5]=null;}
+return data;}
+function genArray(obj){var data=obj.asArray();for(var i in data){data[i]=genRow(data[i]);}
+return data;}
+la.onChange=function(obj,args){var index=0;var iserr=0;if(!dt){if(!config.aoColumns){if(args.action!="init"){return;}
+config.aoColumns=[];for(var i in args.data){config.aoColumns.push({"sTitle":args.data[i]});}}
+dt=jq.dataTable(config);}
+if(dt&&(args.action=="del"||args.action=="modify")){index=args.index;if(index===undefined&&args.key){index=la.indexOf(args.key);}
+if(index===undefined){console.error("INVALID PACKET Missing INDEX\n",args);return;}}
+if(config.onChange){config.onChange(obj,args);}
+try{switch(args.action){case"bootObj":if(!args.data){console.error("missing data");return;}
+dt.fnClearTable();dt.fnAddData(genArray(obj));dt.fnAdjustColumnSizing();break;case"add":if(!args.data){console.error("missing data");return;}
+if(args.redraw>-1){dt.fnClearTable();dt.fnAddData(genArray(obj));}else{dt.fnAddData(genRow(args.data));}
+dt.fnAdjustColumnSizing();break;case"modify":if(!args.data){return;}
+dt.fnUpdate(genRow(args.data),index);dt.fnAdjustColumnSizing();break;case"del":dt.fnDeleteRow(index);dt.fnAdjustColumnSizing();break;case"clear":dt.fnClearTable();break;case"reorder":dt.fnClearTable();dt.fnAddData(genArray(obj));break;case"hide":jq.hide();break;case"show":jq.show();break;}}catch(err){console.error("ERROR: "+err);iserr++;}
+if(iserr){obj.errs++;if(obj.errs<3){obj.bootstrap(obj.user_obj);}}else{obj.errs=0;}};la.onChange(la,{action:"init"});};var CONFMAN_SERNO=1;$.verto.conf=function(verto,params){var conf=this;conf.params=$.extend({dialog:null,hasVid:false,laData:null,onBroadcast:null,onLaChange:null,onLaRow:null},params);conf.verto=verto;conf.serno=CONFMAN_SERNO++;createMainModeratorMethods();verto.subscribe(conf.params.laData.modChannel,{handler:function(v,e){if(conf.params.onBroadcast){conf.params.onBroadcast(verto,conf,e.data);}}});verto.subscribe(conf.params.laData.infoChannel,{handler:function(v,e){if(typeof(conf.params.infoCallback)==="function"){conf.params.infoCallback(v,e);}}});verto.subscribe(conf.params.laData.chatChannel,{handler:function(v,e){if(typeof(conf.params.chatCallback)==="function"){conf.params.chatCallback(v,e);}}});};$.verto.conf.prototype.modCommand=function(cmd,id,value){var conf=this;conf.verto.rpcClient.call("verto.broadcast",{"eventChannel":conf.params.laData.modChannel,"data":{"application":"conf-control","command":cmd,"id":id,"value":value}});};$.verto.conf.prototype.destroy=function(){var conf=this;conf.destroyed=true;conf.params.onBroadcast(conf.verto,conf,'destroy');if(conf.params.laData.modChannel){conf.verto.unsubscribe(conf.params.laData.modChannel);}
+if(conf.params.laData.chatChannel){conf.verto.unsubscribe(conf.params.laData.chatChannel);}
+if(conf.params.laData.infoChannel){conf.verto.unsubscribe(conf.params.laData.infoChannel);}};function createMainModeratorMethods(){$.verto.conf.prototype.listVideoLayouts=function(){this.modCommand("list-videoLayouts",null,null);};$.verto.conf.prototype.play=function(file){this.modCommand("play",null,file);};$.verto.conf.prototype.stop=function(){this.modCommand("stop",null,"all");};$.verto.conf.prototype.deaf=function(memberID){this.modCommand("deaf",parseInt(memberID));};$.verto.conf.prototype.undeaf=function(memberID){this.modCommand("undeaf",parseInt(memberID));};$.verto.conf.prototype.record=function(file){this.modCommand("recording",null,["start",file]);};$.verto.conf.prototype.stopRecord=function(){this.modCommand("recording",null,["stop","all"]);};$.verto.conf.prototype.snapshot=function(file){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("vid-write-png",null,file);};$.verto.conf.prototype.setVideoLayout=function(layout,canvasID){if(!this.params.hasVid){throw'Conference has no video';}
+if(canvasID){this.modCommand("vid-layout",null,[layout,canvasID]);}else{this.modCommand("vid-layout",null,layout);}};$.verto.conf.prototype.kick=function(memberID){this.modCommand("kick",parseInt(memberID));};$.verto.conf.prototype.muteMic=function(memberID){this.modCommand("tmute",parseInt(memberID));};$.verto.conf.prototype.muteVideo=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("tvmute",parseInt(memberID));};$.verto.conf.prototype.presenter=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("vid-res-id",parseInt(memberID),"presenter");};$.verto.conf.prototype.videoFloor=function(memberID){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("vid-floor",parseInt(memberID),"force");};$.verto.conf.prototype.banner=function(memberID,text){if(!this.params.hasVid){throw'Conference has no video';}
+this.modCommand("vid-banner",parseInt(memberID),escape(text));};$.verto.conf.prototype.volumeDown=function(memberID){this.modCommand("volume_out",parseInt(memberID),"down");};$.verto.conf.prototype.volumeUp=function(memberID){this.modCommand("volume_out",parseInt(memberID),"up");};$.verto.conf.prototype.gainDown=function(memberID){this.modCommand("volume_in",parseInt(memberID),"down");};$.verto.conf.prototype.gainUp=function(memberID){this.modCommand("volume_in",parseInt(memberID),"up");};$.verto.conf.prototype.transfer=function(memberID,exten){this.modCommand("transfer",parseInt(memberID),exten);};$.verto.conf.prototype.sendChat=function(message,type){var conf=this;conf.verto.rpcClient.call("verto.broadcast",{"eventChannel":conf.params.laData.chatChannel,"data":{"action":"send","message":message,"type":type}});};}
+$.verto.modfuncs={};$.verto.confMan=function(verto,params){var confMan=this;confMan.params=$.extend({tableID:null,statusID:null,mainModID:null,dialog:null,hasVid:false,laData:null,onBroadcast:null,onLaChange:null,onLaRow:null},params);confMan.verto=verto;confMan.serno=CONFMAN_SERNO++;confMan.canvasCount=confMan.params.laData.canvasCount;function genMainMod(jq){var play_id="play_"+confMan.serno;var stop_id="stop_"+confMan.serno;var recording_id="recording_"+confMan.serno;var snapshot_id="snapshot_"+confMan.serno;var rec_stop_id="recording_stop"+confMan.serno;var div_id="confman_"+confMan.serno;var html="Play "+"Stop "+"Record "+"Record Stop "+
+(confMan.params.hasVid?"PNG Snapshot ":"")+"
";jq.html(html);$.verto.modfuncs.change_video_layout=function(id,canvas_id){var val=$("#"+id+" option:selected").text();if(val!=="none"){confMan.modCommand("vid-layout",null,[val,canvas_id]);}};if(confMan.params.hasVid){for(var j=0;jVideo Layout Canvas "+(j+1)+" ";html+="General Controls
Kick "+"Mute "+"Gain - "+"Gain + "+"Vol - "+"Vol + "+"Transfer ";if(confMan.params.hasVid){html+="Video Controls VMute "+"Presenter "+"Vid Floor "+"Banner ";if(confMan.canvasCount>1){html+="Canvas Controls Set Input Canvas "+"Prev Input Canvas "+"Next Input Canvas "+"Set Watching Canvas "+"Prev Watching Canvas "+"Next Watching Canvas ";}
+html+="Set Layer "+"Prev Layer "+"Next Layer "+"";}
+jq.html(html);if(!jq.data("mouse")){$("#"+box_id).hide();}
+jq.mouseover(function(e){jq.data({"mouse":true});$("#"+box_id).show();});jq.mouseout(function(e){jq.data({"mouse":false});$("#"+box_id).hide();});$("#"+transfer_id).click(function(){var xten=prompt("Enter Extension");if(xten){confMan.modCommand("transfer",x,xten);}});$("#"+kick_id).click(function(){confMan.modCommand("kick",x);});$("#"+layer_set_id).click(function(){var cid=prompt("Please enter layer ID","");if(cid){confMan.modCommand("vid-layer",x,cid);}});$("#"+layer_next_id).click(function(){confMan.modCommand("vid-layer",x,"next");});$("#"+layer_prev_id).click(function(){confMan.modCommand("vid-layer",x,"prev");});$("#"+canvas_in_set_id).click(function(){var cid=prompt("Please enter canvas ID","");if(cid){confMan.modCommand("vid-canvas",x,cid);}});$("#"+canvas_out_set_id).click(function(){var cid=prompt("Please enter canvas ID","");if(cid){confMan.modCommand("vid-watching-canvas",x,cid);}});$("#"+canvas_in_next_id).click(function(){confMan.modCommand("vid-canvas",x,"next");});$("#"+canvas_in_prev_id).click(function(){confMan.modCommand("vid-canvas",x,"prev");});$("#"+canvas_out_next_id).click(function(){confMan.modCommand("vid-watching-canvas",x,"next");});$("#"+canvas_out_prev_id).click(function(){confMan.modCommand("vid-watching-canvas",x,"prev");});$("#"+tmute_id).click(function(){confMan.modCommand("tmute",x);});if(confMan.params.hasVid){$("#"+tvmute_id).click(function(){confMan.modCommand("tvmute",x);});$("#"+tvpresenter_id).click(function(){confMan.modCommand("vid-res-id",x,"presenter");});$("#"+tvfloor_id).click(function(){confMan.modCommand("vid-floor",x,"force");});$("#"+vbanner_id).click(function(){var text=prompt("Please enter text","");if(text){confMan.modCommand("vid-banner",x,escape(text));}});}
+$("#"+gainup_id).click(function(){confMan.modCommand("volume_in",x,"up");});$("#"+gaindn_id).click(function(){confMan.modCommand("volume_in",x,"down");});$("#"+volup_id).click(function(){confMan.modCommand("volume_out",x,"up");});$("#"+voldn_id).click(function(){confMan.modCommand("volume_out",x,"down");});return html;}
+var atitle="";var awidth=0;verto.subscribe(confMan.params.laData.infoChannel,{handler:function(v,e){if(typeof(confMan.params.infoCallback)==="function"){confMan.params.infoCallback(v,e);}}});verto.subscribe(confMan.params.laData.chatChannel,{handler:function(v,e){if(typeof(confMan.params.chatCallback)==="function"){confMan.params.chatCallback(v,e);}}});if(confMan.params.laData.role==="moderator"){atitle="Action";awidth=600;if(confMan.params.mainModID){genMainMod($(confMan.params.mainModID));$(confMan.params.displayID).html("Moderator Controls Readyb)?1:-1));});for(var i in options){$(vlselect_id).append(new Option(options[i],options[i]));x++;}}
+if(x){$(vlselect_id).selectmenu('refresh',true);}else{$(vlayout_id).hide();}}}else{if(!confMan.destroyed&&confMan.params.displayID){$(confMan.params.displayID).html(e.data.response+"0&&arguments[0]!==undefined?arguments[0]:{},window=_ref.window;var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{shimChrome:true,shimFirefox:true,shimEdge:true,shimSafari:true};var logging=utils.log;var browserDetails=utils.detectBrowser(window);var adapter={browserDetails:browserDetails,commonShim:commonShim,extractVersion:utils.extractVersion,disableLog:utils.disableLog,disableWarnings:utils.disableWarnings};switch(browserDetails.browser){case'chrome':if(!chromeShim||!chromeShim.shimPeerConnection||!options.shimChrome){logging('Chrome shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming chrome.');adapter.browserShim=chromeShim;chromeShim.shimGetUserMedia(window);chromeShim.shimMediaStream(window);chromeShim.shimPeerConnection(window);chromeShim.shimOnTrack(window);chromeShim.shimAddTrackRemoveTrack(window);chromeShim.shimGetSendersWithDtmf(window);chromeShim.shimSenderReceiverGetStats(window);chromeShim.fixNegotiationNeeded(window);commonShim.shimRTCIceCandidate(window);commonShim.shimConnectionState(window);commonShim.shimMaxMessageSize(window);commonShim.shimSendThrowTypeError(window);commonShim.removeAllowExtmapMixed(window);break;case'firefox':if(!firefoxShim||!firefoxShim.shimPeerConnection||!options.shimFirefox){logging('Firefox shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming firefox.');adapter.browserShim=firefoxShim;firefoxShim.shimGetUserMedia(window);firefoxShim.shimPeerConnection(window);firefoxShim.shimOnTrack(window);firefoxShim.shimRemoveStream(window);firefoxShim.shimSenderGetStats(window);firefoxShim.shimReceiverGetStats(window);firefoxShim.shimRTCDataChannel(window);commonShim.shimRTCIceCandidate(window);commonShim.shimConnectionState(window);commonShim.shimMaxMessageSize(window);commonShim.shimSendThrowTypeError(window);break;case'edge':if(!edgeShim||!edgeShim.shimPeerConnection||!options.shimEdge){logging('MS edge shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming edge.');adapter.browserShim=edgeShim;edgeShim.shimGetUserMedia(window);edgeShim.shimGetDisplayMedia(window);edgeShim.shimPeerConnection(window);edgeShim.shimReplaceTrack(window);commonShim.shimMaxMessageSize(window);commonShim.shimSendThrowTypeError(window);break;case'safari':if(!safariShim||!options.shimSafari){logging('Safari shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming safari.');adapter.browserShim=safariShim;safariShim.shimRTCIceServerUrls(window);safariShim.shimCreateOfferLegacy(window);safariShim.shimCallbacksAPI(window);safariShim.shimLocalStreamsAPI(window);safariShim.shimRemoteStreamsAPI(window);safariShim.shimTrackEventTransceiver(window);safariShim.shimGetUserMedia(window);commonShim.shimRTCIceCandidate(window);commonShim.shimMaxMessageSize(window);commonShim.shimSendThrowTypeError(window);commonShim.removeAllowExtmapMixed(window);break;default:logging('Unsupported browser!');break;}
+return adapter;}},{"./chrome/chrome_shim":3,"./common_shim":6,"./edge/edge_shim":7,"./firefox/firefox_shim":11,"./safari/safari_shim":14,"./utils":15}],3:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=exports.shimGetUserMedia=undefined;var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};var _getusermedia=require('./getusermedia');Object.defineProperty(exports,'shimGetUserMedia',{enumerable:true,get:function get(){return _getusermedia.shimGetUserMedia;}});var _getdisplaymedia=require('./getdisplaymedia');Object.defineProperty(exports,'shimGetDisplayMedia',{enumerable:true,get:function get(){return _getdisplaymedia.shimGetDisplayMedia;}});exports.shimMediaStream=shimMediaStream;exports.shimOnTrack=shimOnTrack;exports.shimGetSendersWithDtmf=shimGetSendersWithDtmf;exports.shimSenderReceiverGetStats=shimSenderReceiverGetStats;exports.shimAddTrackRemoveTrackWithNative=shimAddTrackRemoveTrackWithNative;exports.shimAddTrackRemoveTrack=shimAddTrackRemoveTrack;exports.shimPeerConnection=shimPeerConnection;exports.fixNegotiationNeeded=fixNegotiationNeeded;var _utils=require('../utils.js');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function walkStats(stats,base,resultSet){if(!base||resultSet.has(base.id)){return;}
+resultSet.set(base.id,base);Object.keys(base).forEach(function(name){if(name.endsWith('Id')){walkStats(stats,stats.get(base[name]),resultSet);}else if(name.endsWith('Ids')){base[name].forEach(function(id){walkStats(stats,stats.get(id),resultSet);});}});}
+function filterStats(result,track,outbound){var streamStatsType=outbound?'outbound-rtp':'inbound-rtp';var filteredResult=new Map();if(track===null){return filteredResult;}
+var trackStats=[];result.forEach(function(value){if(value.type==='track'&&value.trackIdentifier===track.id){trackStats.push(value);}});trackStats.forEach(function(trackStat){result.forEach(function(stats){if(stats.type===streamStatsType&&stats.trackId===trackStat.id){walkStats(result,stats,filteredResult);}});});return filteredResult;}
+function shimMediaStream(window){window.MediaStream=window.MediaStream||window.webkitMediaStream;}
+function shimOnTrack(window){if((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&!('ontrack'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'ontrack',{get:function get(){return this._ontrack;},set:function set(f){if(this._ontrack){this.removeEventListener('track',this._ontrack);}
+this.addEventListener('track',this._ontrack=f);},enumerable:true,configurable:true});var origSetRemoteDescription=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(){var _this=this;if(!this._ontrackpoly){this._ontrackpoly=function(e){e.stream.addEventListener('addtrack',function(te){var receiver=void 0;if(window.RTCPeerConnection.prototype.getReceivers){receiver=_this.getReceivers().find(function(r){return r.track&&r.track.id===te.track.id;});}else{receiver={track:te.track};}
+var event=new Event('track');event.track=te.track;event.receiver=receiver;event.transceiver={receiver:receiver};event.streams=[e.stream];_this.dispatchEvent(event);});e.stream.getTracks().forEach(function(track){var receiver=void 0;if(window.RTCPeerConnection.prototype.getReceivers){receiver=_this.getReceivers().find(function(r){return r.track&&r.track.id===track.id;});}else{receiver={track:track};}
+var event=new Event('track');event.track=track;event.receiver=receiver;event.transceiver={receiver:receiver};event.streams=[e.stream];_this.dispatchEvent(event);});};this.addEventListener('addstream',this._ontrackpoly);}
+return origSetRemoteDescription.apply(this,arguments);};}else{utils.wrapPeerConnectionEvent(window,'track',function(e){if(!e.transceiver){Object.defineProperty(e,'transceiver',{value:{receiver:e.receiver}});}
+return e;});}}
+function shimGetSendersWithDtmf(window){if((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&!('getSenders'in window.RTCPeerConnection.prototype)&&'createDTMFSender'in window.RTCPeerConnection.prototype){var shimSenderWithDtmf=function shimSenderWithDtmf(pc,track){return{track:track,get dtmf(){if(this._dtmf===undefined){if(track.kind==='audio'){this._dtmf=pc.createDTMFSender(track);}else{this._dtmf=null;}}
+return this._dtmf;},_pc:pc};};if(!window.RTCPeerConnection.prototype.getSenders){window.RTCPeerConnection.prototype.getSenders=function(){this._senders=this._senders||[];return this._senders.slice();};var origAddTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addTrack=function(track,stream){var sender=origAddTrack.apply(this,arguments);if(!sender){sender=shimSenderWithDtmf(this,track);this._senders.push(sender);}
+return sender;};var origRemoveTrack=window.RTCPeerConnection.prototype.removeTrack;window.RTCPeerConnection.prototype.removeTrack=function(sender){origRemoveTrack.apply(this,arguments);var idx=this._senders.indexOf(sender);if(idx!==-1){this._senders.splice(idx,1);}};}
+var origAddStream=window.RTCPeerConnection.prototype.addStream;window.RTCPeerConnection.prototype.addStream=function(stream){var _this2=this;this._senders=this._senders||[];origAddStream.apply(this,[stream]);stream.getTracks().forEach(function(track){_this2._senders.push(shimSenderWithDtmf(_this2,track));});};var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;window.RTCPeerConnection.prototype.removeStream=function(stream){var _this3=this;this._senders=this._senders||[];origRemoveStream.apply(this,[stream]);stream.getTracks().forEach(function(track){var sender=_this3._senders.find(function(s){return s.track===track;});if(sender){_this3._senders.splice(_this3._senders.indexOf(sender),1);}});};}else if((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&'getSenders'in window.RTCPeerConnection.prototype&&'createDTMFSender'in window.RTCPeerConnection.prototype&&window.RTCRtpSender&&!('dtmf'in window.RTCRtpSender.prototype)){var origGetSenders=window.RTCPeerConnection.prototype.getSenders;window.RTCPeerConnection.prototype.getSenders=function(){var _this4=this;var senders=origGetSenders.apply(this,[]);senders.forEach(function(sender){return sender._pc=_this4;});return senders;};Object.defineProperty(window.RTCRtpSender.prototype,'dtmf',{get:function get(){if(this._dtmf===undefined){if(this.track.kind==='audio'){this._dtmf=this._pc.createDTMFSender(this.track);}else{this._dtmf=null;}}
+return this._dtmf;}});}}
+function shimSenderReceiverGetStats(window){if(!((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&window.RTCRtpSender&&window.RTCRtpReceiver)){return;}
+if(!('getStats'in window.RTCRtpSender.prototype)){var origGetSenders=window.RTCPeerConnection.prototype.getSenders;if(origGetSenders){window.RTCPeerConnection.prototype.getSenders=function(){var _this5=this;var senders=origGetSenders.apply(this,[]);senders.forEach(function(sender){return sender._pc=_this5;});return senders;};}
+var origAddTrack=window.RTCPeerConnection.prototype.addTrack;if(origAddTrack){window.RTCPeerConnection.prototype.addTrack=function(){var sender=origAddTrack.apply(this,arguments);sender._pc=this;return sender;};}
+window.RTCRtpSender.prototype.getStats=function(){var sender=this;return this._pc.getStats().then(function(result){return(filterStats(result,sender.track,true));});};}
+if(!('getStats'in window.RTCRtpReceiver.prototype)){var origGetReceivers=window.RTCPeerConnection.prototype.getReceivers;if(origGetReceivers){window.RTCPeerConnection.prototype.getReceivers=function(){var _this6=this;var receivers=origGetReceivers.apply(this,[]);receivers.forEach(function(receiver){return receiver._pc=_this6;});return receivers;};}
+utils.wrapPeerConnectionEvent(window,'track',function(e){e.receiver._pc=e.srcElement;return e;});window.RTCRtpReceiver.prototype.getStats=function(){var receiver=this;return this._pc.getStats().then(function(result){return filterStats(result,receiver.track,false);});};}
+if(!('getStats'in window.RTCRtpSender.prototype&&'getStats'in window.RTCRtpReceiver.prototype)){return;}
+var origGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof window.MediaStreamTrack){var track=arguments[0];var sender=void 0;var receiver=void 0;var err=void 0;this.getSenders().forEach(function(s){if(s.track===track){if(sender){err=true;}else{sender=s;}}});this.getReceivers().forEach(function(r){if(r.track===track){if(receiver){err=true;}else{receiver=r;}}
+return r.track===track;});if(err||sender&&receiver){return Promise.reject(new DOMException('There are more than one sender or receiver for the track.','InvalidAccessError'));}else if(sender){return sender.getStats();}else if(receiver){return receiver.getStats();}
+return Promise.reject(new DOMException('There is no sender or receiver for the track.','InvalidAccessError'));}
+return origGetStats.apply(this,arguments);};}
+function shimAddTrackRemoveTrackWithNative(window){window.RTCPeerConnection.prototype.getLocalStreams=function(){var _this7=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{};return Object.keys(this._shimmedLocalStreams).map(function(streamId){return _this7._shimmedLocalStreams[streamId][0];});};var origAddTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addTrack=function(track,stream){if(!stream){return origAddTrack.apply(this,arguments);}
+this._shimmedLocalStreams=this._shimmedLocalStreams||{};var sender=origAddTrack.apply(this,arguments);if(!this._shimmedLocalStreams[stream.id]){this._shimmedLocalStreams[stream.id]=[stream,sender];}else if(this._shimmedLocalStreams[stream.id].indexOf(sender)===-1){this._shimmedLocalStreams[stream.id].push(sender);}
+return sender;};var origAddStream=window.RTCPeerConnection.prototype.addStream;window.RTCPeerConnection.prototype.addStream=function(stream){var _this8=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{};stream.getTracks().forEach(function(track){var alreadyExists=_this8.getSenders().find(function(s){return s.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}});var existingSenders=this.getSenders();origAddStream.apply(this,arguments);var newSenders=this.getSenders().filter(function(newSender){return existingSenders.indexOf(newSender)===-1;});this._shimmedLocalStreams[stream.id]=[stream].concat(newSenders);};var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;window.RTCPeerConnection.prototype.removeStream=function(stream){this._shimmedLocalStreams=this._shimmedLocalStreams||{};delete this._shimmedLocalStreams[stream.id];return origRemoveStream.apply(this,arguments);};var origRemoveTrack=window.RTCPeerConnection.prototype.removeTrack;window.RTCPeerConnection.prototype.removeTrack=function(sender){var _this9=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{};if(sender){Object.keys(this._shimmedLocalStreams).forEach(function(streamId){var idx=_this9._shimmedLocalStreams[streamId].indexOf(sender);if(idx!==-1){_this9._shimmedLocalStreams[streamId].splice(idx,1);}
+if(_this9._shimmedLocalStreams[streamId].length===1){delete _this9._shimmedLocalStreams[streamId];}});}
+return origRemoveTrack.apply(this,arguments);};}
+function shimAddTrackRemoveTrack(window){if(!window.RTCPeerConnection){return;}
+var browserDetails=utils.detectBrowser(window);if(window.RTCPeerConnection.prototype.addTrack&&browserDetails.version>=65){return shimAddTrackRemoveTrackWithNative(window);}
+var origGetLocalStreams=window.RTCPeerConnection.prototype.getLocalStreams;window.RTCPeerConnection.prototype.getLocalStreams=function(){var _this10=this;var nativeStreams=origGetLocalStreams.apply(this);this._reverseStreams=this._reverseStreams||{};return nativeStreams.map(function(stream){return _this10._reverseStreams[stream.id];});};var origAddStream=window.RTCPeerConnection.prototype.addStream;window.RTCPeerConnection.prototype.addStream=function(stream){var _this11=this;this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};stream.getTracks().forEach(function(track){var alreadyExists=_this11.getSenders().find(function(s){return s.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}});if(!this._reverseStreams[stream.id]){var newStream=new window.MediaStream(stream.getTracks());this._streams[stream.id]=newStream;this._reverseStreams[newStream.id]=stream;stream=newStream;}
+origAddStream.apply(this,[stream]);};var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;window.RTCPeerConnection.prototype.removeStream=function(stream){this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};origRemoveStream.apply(this,[this._streams[stream.id]||stream]);delete this._reverseStreams[this._streams[stream.id]?this._streams[stream.id].id:stream.id];delete this._streams[stream.id];};window.RTCPeerConnection.prototype.addTrack=function(track,stream){var _this12=this;if(this.signalingState==='closed'){throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.','InvalidStateError');}
+var streams=[].slice.call(arguments,1);if(streams.length!==1||!streams[0].getTracks().find(function(t){return t===track;})){throw new DOMException('The adapter.js addTrack polyfill only supports a single '+' stream which is associated with the specified track.','NotSupportedError');}
+var alreadyExists=this.getSenders().find(function(s){return s.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}
+this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};var oldStream=this._streams[stream.id];if(oldStream){oldStream.addTrack(track);Promise.resolve().then(function(){_this12.dispatchEvent(new Event('negotiationneeded'));});}else{var newStream=new window.MediaStream([track]);this._streams[stream.id]=newStream;this._reverseStreams[newStream.id]=stream;this.addStream(newStream);}
+return this.getSenders().find(function(s){return s.track===track;});};function replaceInternalStreamId(pc,description){var sdp=description.sdp;Object.keys(pc._reverseStreams||[]).forEach(function(internalId){var externalStream=pc._reverseStreams[internalId];var internalStream=pc._streams[externalStream.id];sdp=sdp.replace(new RegExp(internalStream.id,'g'),externalStream.id);});return new RTCSessionDescription({type:description.type,sdp:sdp});}
+function replaceExternalStreamId(pc,description){var sdp=description.sdp;Object.keys(pc._reverseStreams||[]).forEach(function(internalId){var externalStream=pc._reverseStreams[internalId];var internalStream=pc._streams[externalStream.id];sdp=sdp.replace(new RegExp(externalStream.id,'g'),internalStream.id);});return new RTCSessionDescription({type:description.type,sdp:sdp});}
+['createOffer','createAnswer'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){var _this13=this;var args=arguments;var isLegacyCall=arguments.length&&typeof arguments[0]==='function';if(isLegacyCall){return nativeMethod.apply(this,[function(description){var desc=replaceInternalStreamId(_this13,description);args[0].apply(null,[desc]);},function(err){if(args[1]){args[1].apply(null,err);}},arguments[2]]);}
+return nativeMethod.apply(this,arguments).then(function(description){return replaceInternalStreamId(_this13,description);});};});var origSetLocalDescription=window.RTCPeerConnection.prototype.setLocalDescription;window.RTCPeerConnection.prototype.setLocalDescription=function(){if(!arguments.length||!arguments[0].type){return origSetLocalDescription.apply(this,arguments);}
+arguments[0]=replaceExternalStreamId(this,arguments[0]);return origSetLocalDescription.apply(this,arguments);};var origLocalDescription=Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype,'localDescription');Object.defineProperty(window.RTCPeerConnection.prototype,'localDescription',{get:function get(){var description=origLocalDescription.get.apply(this);if(description.type===''){return description;}
+return replaceInternalStreamId(this,description);}});window.RTCPeerConnection.prototype.removeTrack=function(sender){var _this14=this;if(this.signalingState==='closed'){throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.','InvalidStateError');}
+if(!sender._pc){throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack '+'does not implement interface RTCRtpSender.','TypeError');}
+var isLocal=sender._pc===this;if(!isLocal){throw new DOMException('Sender was not created by this connection.','InvalidAccessError');}
+this._streams=this._streams||{};var stream=void 0;Object.keys(this._streams).forEach(function(streamid){var hasTrack=_this14._streams[streamid].getTracks().find(function(track){return sender.track===track;});if(hasTrack){stream=_this14._streams[streamid];}});if(stream){if(stream.getTracks().length===1){this.removeStream(this._reverseStreams[stream.id]);}else{stream.removeTrack(sender.track);}
+this.dispatchEvent(new Event('negotiationneeded'));}};}
+function shimPeerConnection(window){if(!window.RTCPeerConnection&&window.webkitRTCPeerConnection){window.RTCPeerConnection=window.webkitRTCPeerConnection;}
+if(!window.RTCPeerConnection){return;}
+var origGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(selector,successCallback,errorCallback){var _this15=this;var args=arguments;if(arguments.length>0&&typeof selector==='function'){return origGetStats.apply(this,arguments);}
+if(origGetStats.length===0&&(arguments.length===0||typeof arguments[0]!=='function')){return origGetStats.apply(this,[]);}
+var fixChromeStats_=function fixChromeStats_(response){var standardReport={};var reports=response.result();reports.forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:{localcandidate:'local-candidate',remotecandidate:'remote-candidate'}[report.type]||report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name);});standardReport[standardStats.id]=standardStats;});return standardReport;};var makeMapStats=function makeMapStats(stats){return new Map(Object.keys(stats).map(function(key){return[key,stats[key]];}));};if(arguments.length>=2){var successCallbackWrapper_=function successCallbackWrapper_(response){args[1](makeMapStats(fixChromeStats_(response)));};return origGetStats.apply(this,[successCallbackWrapper_,arguments[0]]);}
+return new Promise(function(resolve,reject){origGetStats.apply(_this15,[function(response){resolve(makeMapStats(fixChromeStats_(response)));},reject]);}).then(successCallback,errorCallback);};['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){arguments[0]=new(method==='addIceCandidate'?window.RTCIceCandidate:window.RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments);};});var nativeAddIceCandidate=window.RTCPeerConnection.prototype.addIceCandidate;window.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null);}
+return Promise.resolve();}
+return nativeAddIceCandidate.apply(this,arguments);};}
+function fixNegotiationNeeded(window){utils.wrapPeerConnectionEvent(window,'negotiationneeded',function(e){var pc=e.target;if(pc.signalingState!=='stable'){return;}
+return e;});}},{"../utils.js":15,"./getdisplaymedia":4,"./getusermedia":5}],4:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=shimGetDisplayMedia;function shimGetDisplayMedia(window,getSourceId){if(window.navigator.mediaDevices&&'getDisplayMedia'in window.navigator.mediaDevices){return;}
+if(!window.navigator.mediaDevices){return;}
+if(typeof getSourceId!=='function'){console.error('shimGetDisplayMedia: getSourceId argument is not '+'a function');return;}
+window.navigator.mediaDevices.getDisplayMedia=function(constraints){return getSourceId(constraints).then(function(sourceId){var widthSpecified=constraints.video&&constraints.video.width;var heightSpecified=constraints.video&&constraints.video.height;var frameRateSpecified=constraints.video&&constraints.video.frameRate;constraints.video={mandatory:{chromeMediaSource:'desktop',chromeMediaSourceId:sourceId,maxFrameRate:frameRateSpecified||3}};if(widthSpecified){constraints.video.mandatory.maxWidth=widthSpecified;}
+if(heightSpecified){constraints.video.mandatory.maxHeight=heightSpecified;}
+return window.navigator.mediaDevices.getUserMedia(constraints);});};}},{}],5:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};exports.shimGetUserMedia=shimGetUserMedia;var _utils=require('../utils.js');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+var logging=utils.log;function shimGetUserMedia(window){var navigator=window&&window.navigator;if(!navigator.mediaDevices){return;}
+var browserDetails=utils.detectBrowser(window);var constraintsToChrome_=function constraintsToChrome_(c){if((typeof c==='undefined'?'undefined':_typeof(c))!=='object'||c.mandatory||c.optional){return c;}
+var cc={};Object.keys(c).forEach(function(key){if(key==='require'||key==='advanced'||key==='mediaSource'){return;}
+var r=_typeof(c[key])==='object'?c[key]:{ideal:c[key]};if(r.exact!==undefined&&typeof r.exact==='number'){r.min=r.max=r.exact;}
+var oldname_=function oldname_(prefix,name){if(prefix){return prefix+name.charAt(0).toUpperCase()+name.slice(1);}
+return name==='deviceId'?'sourceId':name;};if(r.ideal!==undefined){cc.optional=cc.optional||[];var oc={};if(typeof r.ideal==='number'){oc[oldname_('min',key)]=r.ideal;cc.optional.push(oc);oc={};oc[oldname_('max',key)]=r.ideal;cc.optional.push(oc);}else{oc[oldname_('',key)]=r.ideal;cc.optional.push(oc);}}
+if(r.exact!==undefined&&typeof r.exact!=='number'){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_('',key)]=r.exact;}else{['min','max'].forEach(function(mix){if(r[mix]!==undefined){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_(mix,key)]=r[mix];}});}});if(c.advanced){cc.optional=(cc.optional||[]).concat(c.advanced);}
+return cc;};var shimConstraints_=function shimConstraints_(constraints,func){if(browserDetails.version>=61){return func(constraints);}
+constraints=JSON.parse(JSON.stringify(constraints));if(constraints&&_typeof(constraints.audio)==='object'){var remap=function remap(obj,a,b){if(a in obj&&!(b in obj)){obj[b]=obj[a];delete obj[a];}};constraints=JSON.parse(JSON.stringify(constraints));remap(constraints.audio,'autoGainControl','googAutoGainControl');remap(constraints.audio,'noiseSuppression','googNoiseSuppression');constraints.audio=constraintsToChrome_(constraints.audio);}
+if(constraints&&_typeof(constraints.video)==='object'){var face=constraints.video.facingMode;face=face&&((typeof face==='undefined'?'undefined':_typeof(face))==='object'?face:{ideal:face});var getSupportedFacingModeLies=browserDetails.version<66;if(face&&(face.exact==='user'||face.exact==='environment'||face.ideal==='user'||face.ideal==='environment')&&!(navigator.mediaDevices.getSupportedConstraints&&navigator.mediaDevices.getSupportedConstraints().facingMode&&!getSupportedFacingModeLies)){delete constraints.video.facingMode;var matches=void 0;if(face.exact==='environment'||face.ideal==='environment'){matches=['back','rear'];}else if(face.exact==='user'||face.ideal==='user'){matches=['front'];}
+if(matches){return navigator.mediaDevices.enumerateDevices().then(function(devices){devices=devices.filter(function(d){return d.kind==='videoinput';});var dev=devices.find(function(d){return matches.some(function(match){return d.label.toLowerCase().includes(match);});});if(!dev&&devices.length&&matches.includes('back')){dev=devices[devices.length-1];}
+if(dev){constraints.video.deviceId=face.exact?{exact:dev.deviceId}:{ideal:dev.deviceId};}
+constraints.video=constraintsToChrome_(constraints.video);logging('chrome: '+JSON.stringify(constraints));return func(constraints);});}}
+constraints.video=constraintsToChrome_(constraints.video);}
+logging('chrome: '+JSON.stringify(constraints));return func(constraints);};var shimError_=function shimError_(e){if(browserDetails.version>=64){return e;}
+return{name:{PermissionDeniedError:'NotAllowedError',PermissionDismissedError:'NotAllowedError',InvalidStateError:'NotAllowedError',DevicesNotFoundError:'NotFoundError',ConstraintNotSatisfiedError:'OverconstrainedError',TrackStartError:'NotReadableError',MediaDeviceFailedDueToShutdown:'NotAllowedError',MediaDeviceKillSwitchOn:'NotAllowedError',TabCaptureError:'AbortError',ScreenCaptureError:'AbortError',DeviceCaptureError:'AbortError'}[e.name]||e.name,message:e.message,constraint:e.constraint||e.constraintName,toString:function toString(){return this.name+(this.message&&': ')+this.message;}};};var getUserMedia_=function getUserMedia_(constraints,onSuccess,onError){shimConstraints_(constraints,function(c){navigator.webkitGetUserMedia(c,onSuccess,function(e){if(onError){onError(shimError_(e));}});});};navigator.getUserMedia=getUserMedia_.bind(navigator);var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(cs){return shimConstraints_(cs,function(c){return origGetUserMedia(c).then(function(stream){if(c.audio&&!stream.getAudioTracks().length||c.video&&!stream.getVideoTracks().length){stream.getTracks().forEach(function(track){track.stop();});throw new DOMException('','NotFoundError');}
+return stream;},function(e){return Promise.reject(shimError_(e));});});};}},{"../utils.js":15}],6:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};exports.shimRTCIceCandidate=shimRTCIceCandidate;exports.shimMaxMessageSize=shimMaxMessageSize;exports.shimSendThrowTypeError=shimSendThrowTypeError;exports.shimConnectionState=shimConnectionState;exports.removeAllowExtmapMixed=removeAllowExtmapMixed;var _sdp=require('sdp');var _sdp2=_interopRequireDefault(_sdp);var _utils=require('./utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}
+function shimRTCIceCandidate(window){if(!window.RTCIceCandidate||window.RTCIceCandidate&&'foundation'in window.RTCIceCandidate.prototype){return;}
+var NativeRTCIceCandidate=window.RTCIceCandidate;window.RTCIceCandidate=function(args){if((typeof args==='undefined'?'undefined':_typeof(args))==='object'&&args.candidate&&args.candidate.indexOf('a=')===0){args=JSON.parse(JSON.stringify(args));args.candidate=args.candidate.substr(2);}
+if(args.candidate&&args.candidate.length){var nativeCandidate=new NativeRTCIceCandidate(args);var parsedCandidate=_sdp2.default.parseCandidate(args.candidate);var augmentedCandidate=Object.assign(nativeCandidate,parsedCandidate);augmentedCandidate.toJSON=function(){return{candidate:augmentedCandidate.candidate,sdpMid:augmentedCandidate.sdpMid,sdpMLineIndex:augmentedCandidate.sdpMLineIndex,usernameFragment:augmentedCandidate.usernameFragment};};return augmentedCandidate;}
+return new NativeRTCIceCandidate(args);};window.RTCIceCandidate.prototype=NativeRTCIceCandidate.prototype;utils.wrapPeerConnectionEvent(window,'icecandidate',function(e){if(e.candidate){Object.defineProperty(e,'candidate',{value:new window.RTCIceCandidate(e.candidate),writable:'false'});}
+return e;});}
+function shimMaxMessageSize(window){if(window.RTCSctpTransport||!window.RTCPeerConnection){return;}
+var browserDetails=utils.detectBrowser(window);if(!('sctp'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'sctp',{get:function get(){return typeof this._sctp==='undefined'?null:this._sctp;}});}
+var sctpInDescription=function sctpInDescription(description){var sections=_sdp2.default.splitSections(description.sdp);sections.shift();return sections.some(function(mediaSection){var mLine=_sdp2.default.parseMLine(mediaSection);return mLine&&mLine.kind==='application'&&mLine.protocol.indexOf('SCTP')!==-1;});};var getRemoteFirefoxVersion=function getRemoteFirefoxVersion(description){var match=description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);if(match===null||match.length<2){return-1;}
+var version=parseInt(match[1],10);return version!==version?-1:version;};var getCanSendMaxMessageSize=function getCanSendMaxMessageSize(remoteIsFirefox){var canSendMaxMessageSize=65536;if(browserDetails.browser==='firefox'){if(browserDetails.version<57){if(remoteIsFirefox===-1){canSendMaxMessageSize=16384;}else{canSendMaxMessageSize=2147483637;}}else if(browserDetails.version<60){canSendMaxMessageSize=browserDetails.version===57?65535:65536;}else{canSendMaxMessageSize=2147483637;}}
+return canSendMaxMessageSize;};var getMaxMessageSize=function getMaxMessageSize(description,remoteIsFirefox){var maxMessageSize=65536;if(browserDetails.browser==='firefox'&&browserDetails.version===57){maxMessageSize=65535;}
+var match=_sdp2.default.matchPrefix(description.sdp,'a=max-message-size:');if(match.length>0){maxMessageSize=parseInt(match[0].substr(19),10);}else if(browserDetails.browser==='firefox'&&remoteIsFirefox!==-1){maxMessageSize=2147483637;}
+return maxMessageSize;};var origSetRemoteDescription=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(){this._sctp=null;if(sctpInDescription(arguments[0])){var isFirefox=getRemoteFirefoxVersion(arguments[0]);var canSendMMS=getCanSendMaxMessageSize(isFirefox);var remoteMMS=getMaxMessageSize(arguments[0],isFirefox);var maxMessageSize=void 0;if(canSendMMS===0&&remoteMMS===0){maxMessageSize=Number.POSITIVE_INFINITY;}else if(canSendMMS===0||remoteMMS===0){maxMessageSize=Math.max(canSendMMS,remoteMMS);}else{maxMessageSize=Math.min(canSendMMS,remoteMMS);}
+var sctp={};Object.defineProperty(sctp,'maxMessageSize',{get:function get(){return maxMessageSize;}});this._sctp=sctp;}
+return origSetRemoteDescription.apply(this,arguments);};}
+function shimSendThrowTypeError(window){if(!(window.RTCPeerConnection&&'createDataChannel'in window.RTCPeerConnection.prototype)){return;}
+function wrapDcSend(dc,pc){var origDataChannelSend=dc.send;dc.send=function(){var data=arguments[0];var length=data.length||data.size||data.byteLength;if(dc.readyState==='open'&&pc.sctp&&length>pc.sctp.maxMessageSize){throw new TypeError('Message too large (can send a maximum of '+pc.sctp.maxMessageSize+' bytes)');}
+return origDataChannelSend.apply(dc,arguments);};}
+var origCreateDataChannel=window.RTCPeerConnection.prototype.createDataChannel;window.RTCPeerConnection.prototype.createDataChannel=function(){var dataChannel=origCreateDataChannel.apply(this,arguments);wrapDcSend(dataChannel,this);return dataChannel;};utils.wrapPeerConnectionEvent(window,'datachannel',function(e){wrapDcSend(e.channel,e.target);return e;});}
+function shimConnectionState(window){if(!window.RTCPeerConnection||'connectionState'in window.RTCPeerConnection.prototype){return;}
+var proto=window.RTCPeerConnection.prototype;Object.defineProperty(proto,'connectionState',{get:function get(){return{completed:'connected',checking:'connecting'}[this.iceConnectionState]||this.iceConnectionState;},enumerable:true,configurable:true});Object.defineProperty(proto,'onconnectionstatechange',{get:function get(){return this._onconnectionstatechange||null;},set:function set(cb){if(this._onconnectionstatechange){this.removeEventListener('connectionstatechange',this._onconnectionstatechange);delete this._onconnectionstatechange;}
+if(cb){this.addEventListener('connectionstatechange',this._onconnectionstatechange=cb);}},enumerable:true,configurable:true});['setLocalDescription','setRemoteDescription'].forEach(function(method){var origMethod=proto[method];proto[method]=function(){if(!this._connectionstatechangepoly){this._connectionstatechangepoly=function(e){var pc=e.target;if(pc._lastConnectionState!==pc.connectionState){pc._lastConnectionState=pc.connectionState;var newEvent=new Event('connectionstatechange',e);pc.dispatchEvent(newEvent);}
+return e;};this.addEventListener('iceconnectionstatechange',this._connectionstatechangepoly);}
+return origMethod.apply(this,arguments);};});}
+function removeAllowExtmapMixed(window){if(!window.RTCPeerConnection){return;}
+var browserDetails=utils.detectBrowser(window);if(browserDetails.browser==='chrome'&&browserDetails.version>=71){return;}
+var nativeSRD=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(desc){if(desc&&desc.sdp&&desc.sdp.indexOf('\na=extmap-allow-mixed')!==-1){desc.sdp=desc.sdp.split('\n').filter(function(line){return line.trim()!=='a=extmap-allow-mixed';}).join('\n');}
+return nativeSRD.apply(this,arguments);};}},{"./utils":15,"sdp":17}],7:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=exports.shimGetUserMedia=undefined;var _getusermedia=require('./getusermedia');Object.defineProperty(exports,'shimGetUserMedia',{enumerable:true,get:function get(){return _getusermedia.shimGetUserMedia;}});var _getdisplaymedia=require('./getdisplaymedia');Object.defineProperty(exports,'shimGetDisplayMedia',{enumerable:true,get:function get(){return _getdisplaymedia.shimGetDisplayMedia;}});exports.shimPeerConnection=shimPeerConnection;exports.shimReplaceTrack=shimReplaceTrack;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);var _filtericeservers=require('./filtericeservers');var _rtcpeerconnectionShim=require('rtcpeerconnection-shim');var _rtcpeerconnectionShim2=_interopRequireDefault(_rtcpeerconnectionShim);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}
+function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function shimPeerConnection(window){var browserDetails=utils.detectBrowser(window);if(window.RTCIceGatherer){if(!window.RTCIceCandidate){window.RTCIceCandidate=function(args){return args;};}
+if(!window.RTCSessionDescription){window.RTCSessionDescription=function(args){return args;};}
+if(browserDetails.version<15025){var origMSTEnabled=Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype,'enabled');Object.defineProperty(window.MediaStreamTrack.prototype,'enabled',{set:function set(value){origMSTEnabled.set.call(this,value);var ev=new Event('enabled');ev.enabled=value;this.dispatchEvent(ev);}});}}
+if(window.RTCRtpSender&&!('dtmf'in window.RTCRtpSender.prototype)){Object.defineProperty(window.RTCRtpSender.prototype,'dtmf',{get:function get(){if(this._dtmf===undefined){if(this.track.kind==='audio'){this._dtmf=new window.RTCDtmfSender(this);}else if(this.track.kind==='video'){this._dtmf=null;}}
+return this._dtmf;}});}
+if(window.RTCDtmfSender&&!window.RTCDTMFSender){window.RTCDTMFSender=window.RTCDtmfSender;}
+var RTCPeerConnectionShim=(0,_rtcpeerconnectionShim2.default)(window,browserDetails.version);window.RTCPeerConnection=function(config){if(config&&config.iceServers){config.iceServers=(0,_filtericeservers.filterIceServers)(config.iceServers,browserDetails.version);utils.log('ICE servers after filtering:',config.iceServers);}
+return new RTCPeerConnectionShim(config);};window.RTCPeerConnection.prototype=RTCPeerConnectionShim.prototype;}
+function shimReplaceTrack(window){if(window.RTCRtpSender&&!('replaceTrack'in window.RTCRtpSender.prototype)){window.RTCRtpSender.prototype.replaceTrack=window.RTCRtpSender.prototype.setTrack;}}},{"../utils":15,"./filtericeservers":8,"./getdisplaymedia":9,"./getusermedia":10,"rtcpeerconnection-shim":16}],8:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.filterIceServers=filterIceServers;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function filterIceServers(iceServers,edgeVersion){var hasTurn=false;iceServers=JSON.parse(JSON.stringify(iceServers));return iceServers.filter(function(server){if(server&&(server.urls||server.url)){var urls=server.urls||server.url;if(server.url&&!server.urls){utils.deprecated('RTCIceServer.url','RTCIceServer.urls');}
+var isString=typeof urls==='string';if(isString){urls=[urls];}
+urls=urls.filter(function(url){if(url.indexOf('stun:')===0){return false;}
+var validTurn=url.startsWith('turn')&&!url.startsWith('turn:[')&&url.includes('transport=udp');if(validTurn&&!hasTurn){hasTurn=true;return true;}
+return validTurn&&!hasTurn;});delete server.url;server.urls=isString?urls[0]:urls;return!!urls.length;}});}},{"../utils":15}],9:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=shimGetDisplayMedia;function shimGetDisplayMedia(window){if(!('getDisplayMedia'in window.navigator)){return;}
+if(!window.navigator.mediaDevices){return;}
+if(window.navigator.mediaDevices&&'getDisplayMedia'in window.navigator.mediaDevices){return;}
+window.navigator.mediaDevices.getDisplayMedia=window.navigator.getDisplayMedia.bind(window.navigator.mediaDevices);}},{}],10:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetUserMedia=shimGetUserMedia;function shimGetUserMedia(window){var navigator=window&&window.navigator;var shimError_=function shimError_(e){return{name:{PermissionDeniedError:'NotAllowedError'}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function toString(){return this.name;}};};var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e));});};}},{}],11:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=exports.shimGetUserMedia=undefined;var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};var _getusermedia=require('./getusermedia');Object.defineProperty(exports,'shimGetUserMedia',{enumerable:true,get:function get(){return _getusermedia.shimGetUserMedia;}});var _getdisplaymedia=require('./getdisplaymedia');Object.defineProperty(exports,'shimGetDisplayMedia',{enumerable:true,get:function get(){return _getdisplaymedia.shimGetDisplayMedia;}});exports.shimOnTrack=shimOnTrack;exports.shimPeerConnection=shimPeerConnection;exports.shimSenderGetStats=shimSenderGetStats;exports.shimReceiverGetStats=shimReceiverGetStats;exports.shimRemoveStream=shimRemoveStream;exports.shimRTCDataChannel=shimRTCDataChannel;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function shimOnTrack(window){if((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCTrackEvent&&'receiver'in window.RTCTrackEvent.prototype&&!('transceiver'in window.RTCTrackEvent.prototype)){Object.defineProperty(window.RTCTrackEvent.prototype,'transceiver',{get:function get(){return{receiver:this.receiver};}});}}
+function shimPeerConnection(window){var browserDetails=utils.detectBrowser(window);if((typeof window==='undefined'?'undefined':_typeof(window))!=='object'||!(window.RTCPeerConnection||window.mozRTCPeerConnection)){return;}
+if(!window.RTCPeerConnection&&window.mozRTCPeerConnection){window.RTCPeerConnection=window.mozRTCPeerConnection;}
+['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){arguments[0]=new(method==='addIceCandidate'?window.RTCIceCandidate:window.RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments);};});var nativeAddIceCandidate=window.RTCPeerConnection.prototype.addIceCandidate;window.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null);}
+return Promise.resolve();}
+return nativeAddIceCandidate.apply(this,arguments);};var modernStatsTypes={inboundrtp:'inbound-rtp',outboundrtp:'outbound-rtp',candidatepair:'candidate-pair',localcandidate:'local-candidate',remotecandidate:'remote-candidate'};var nativeGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(selector,onSucc,onErr){return nativeGetStats.apply(this,[selector||null]).then(function(stats){if(browserDetails.version<53&&!onSucc){try{stats.forEach(function(stat){stat.type=modernStatsTypes[stat.type]||stat.type;});}catch(e){if(e.name!=='TypeError'){throw e;}
+stats.forEach(function(stat,i){stats.set(i,Object.assign({},stat,{type:modernStatsTypes[stat.type]||stat.type}));});}}
+return stats;}).then(onSucc,onErr);};}
+function shimSenderGetStats(window){if(!((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&window.RTCRtpSender)){return;}
+if(window.RTCRtpSender&&'getStats'in window.RTCRtpSender.prototype){return;}
+var origGetSenders=window.RTCPeerConnection.prototype.getSenders;if(origGetSenders){window.RTCPeerConnection.prototype.getSenders=function(){var _this=this;var senders=origGetSenders.apply(this,[]);senders.forEach(function(sender){return sender._pc=_this;});return senders;};}
+var origAddTrack=window.RTCPeerConnection.prototype.addTrack;if(origAddTrack){window.RTCPeerConnection.prototype.addTrack=function(){var sender=origAddTrack.apply(this,arguments);sender._pc=this;return sender;};}
+window.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map());};}
+function shimReceiverGetStats(window){if(!((typeof window==='undefined'?'undefined':_typeof(window))==='object'&&window.RTCPeerConnection&&window.RTCRtpSender)){return;}
+if(window.RTCRtpSender&&'getStats'in window.RTCRtpReceiver.prototype){return;}
+var origGetReceivers=window.RTCPeerConnection.prototype.getReceivers;if(origGetReceivers){window.RTCPeerConnection.prototype.getReceivers=function(){var _this2=this;var receivers=origGetReceivers.apply(this,[]);receivers.forEach(function(receiver){return receiver._pc=_this2;});return receivers;};}
+utils.wrapPeerConnectionEvent(window,'track',function(e){e.receiver._pc=e.srcElement;return e;});window.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track);};}
+function shimRemoveStream(window){if(!window.RTCPeerConnection||'removeStream'in window.RTCPeerConnection.prototype){return;}
+window.RTCPeerConnection.prototype.removeStream=function(stream){var _this3=this;utils.deprecated('removeStream','removeTrack');this.getSenders().forEach(function(sender){if(sender.track&&stream.getTracks().includes(sender.track)){_this3.removeTrack(sender);}});};}
+function shimRTCDataChannel(window){if(window.DataChannel&&!window.RTCDataChannel){window.RTCDataChannel=window.DataChannel;}}},{"../utils":15,"./getdisplaymedia":12,"./getusermedia":13}],12:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});exports.shimGetDisplayMedia=shimGetDisplayMedia;function shimGetDisplayMedia(window,preferredMediaSource){if(window.navigator.mediaDevices&&'getDisplayMedia'in window.navigator.mediaDevices){return;}
+if(!window.navigator.mediaDevices){return;}
+window.navigator.mediaDevices.getDisplayMedia=function(constraints){if(!(constraints&&constraints.video)){var err=new DOMException('getDisplayMedia without video '+'constraints is undefined');err.name='NotFoundError';err.code=8;return Promise.reject(err);}
+if(constraints.video===true){constraints.video={mediaSource:preferredMediaSource};}else{constraints.video.mediaSource=preferredMediaSource;}
+return window.navigator.mediaDevices.getUserMedia(constraints);};}},{}],13:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};exports.shimGetUserMedia=shimGetUserMedia;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function shimGetUserMedia(window){var browserDetails=utils.detectBrowser(window);var navigator=window&&window.navigator;var MediaStreamTrack=window&&window.MediaStreamTrack;navigator.getUserMedia=function(constraints,onSuccess,onError){utils.deprecated('navigator.getUserMedia','navigator.mediaDevices.getUserMedia');navigator.mediaDevices.getUserMedia(constraints).then(onSuccess,onError);};if(!(browserDetails.version>55&&'autoGainControl'in navigator.mediaDevices.getSupportedConstraints())){var remap=function remap(obj,a,b){if(a in obj&&!(b in obj)){obj[b]=obj[a];delete obj[a];}};var nativeGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){if((typeof c==='undefined'?'undefined':_typeof(c))==='object'&&_typeof(c.audio)==='object'){c=JSON.parse(JSON.stringify(c));remap(c.audio,'autoGainControl','mozAutoGainControl');remap(c.audio,'noiseSuppression','mozNoiseSuppression');}
+return nativeGetUserMedia(c);};if(MediaStreamTrack&&MediaStreamTrack.prototype.getSettings){var nativeGetSettings=MediaStreamTrack.prototype.getSettings;MediaStreamTrack.prototype.getSettings=function(){var obj=nativeGetSettings.apply(this,arguments);remap(obj,'mozAutoGainControl','autoGainControl');remap(obj,'mozNoiseSuppression','noiseSuppression');return obj;};}
+if(MediaStreamTrack&&MediaStreamTrack.prototype.applyConstraints){var nativeApplyConstraints=MediaStreamTrack.prototype.applyConstraints;MediaStreamTrack.prototype.applyConstraints=function(c){if(this.kind==='audio'&&(typeof c==='undefined'?'undefined':_typeof(c))==='object'){c=JSON.parse(JSON.stringify(c));remap(c,'autoGainControl','mozAutoGainControl');remap(c,'noiseSuppression','mozNoiseSuppression');}
+return nativeApplyConstraints.apply(this,[c]);};}}}},{"../utils":15}],14:[function(require,module,exports){'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;};exports.shimLocalStreamsAPI=shimLocalStreamsAPI;exports.shimRemoteStreamsAPI=shimRemoteStreamsAPI;exports.shimCallbacksAPI=shimCallbacksAPI;exports.shimGetUserMedia=shimGetUserMedia;exports.shimConstraints=shimConstraints;exports.shimRTCIceServerUrls=shimRTCIceServerUrls;exports.shimTrackEventTransceiver=shimTrackEventTransceiver;exports.shimCreateOfferLegacy=shimCreateOfferLegacy;var _utils=require('../utils');var utils=_interopRequireWildcard(_utils);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key];}}newObj.default=obj;return newObj;}}
+function shimLocalStreamsAPI(window){if((typeof window==='undefined'?'undefined':_typeof(window))!=='object'||!window.RTCPeerConnection){return;}
+if(!('getLocalStreams'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getLocalStreams=function(){if(!this._localStreams){this._localStreams=[];}
+return this._localStreams;};}
+if(!('addStream'in window.RTCPeerConnection.prototype)){var _addTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addStream=function(stream){var _this=this;if(!this._localStreams){this._localStreams=[];}
+if(!this._localStreams.includes(stream)){this._localStreams.push(stream);}
+stream.getTracks().forEach(function(track){return _addTrack.call(_this,track,stream);});};window.RTCPeerConnection.prototype.addTrack=function(track,stream){if(stream){if(!this._localStreams){this._localStreams=[stream];}else if(!this._localStreams.includes(stream)){this._localStreams.push(stream);}}
+return _addTrack.call(this,track,stream);};}
+if(!('removeStream'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.removeStream=function(stream){var _this2=this;if(!this._localStreams){this._localStreams=[];}
+var index=this._localStreams.indexOf(stream);if(index===-1){return;}
+this._localStreams.splice(index,1);var tracks=stream.getTracks();this.getSenders().forEach(function(sender){if(tracks.includes(sender.track)){_this2.removeTrack(sender);}});};}}
+function shimRemoteStreamsAPI(window){if((typeof window==='undefined'?'undefined':_typeof(window))!=='object'||!window.RTCPeerConnection){return;}
+if(!('getRemoteStreams'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[];};}
+if(!('onaddstream'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'onaddstream',{get:function get(){return this._onaddstream;},set:function set(f){var _this3=this;if(this._onaddstream){this.removeEventListener('addstream',this._onaddstream);this.removeEventListener('track',this._onaddstreampoly);}
+this.addEventListener('addstream',this._onaddstream=f);this.addEventListener('track',this._onaddstreampoly=function(e){e.streams.forEach(function(stream){if(!_this3._remoteStreams){_this3._remoteStreams=[];}
+if(_this3._remoteStreams.includes(stream)){return;}
+_this3._remoteStreams.push(stream);var event=new Event('addstream');event.stream=stream;_this3.dispatchEvent(event);});});}});var origSetRemoteDescription=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(){var pc=this;if(!this._onaddstreampoly){this.addEventListener('track',this._onaddstreampoly=function(e){e.streams.forEach(function(stream){if(!pc._remoteStreams){pc._remoteStreams=[];}
+if(pc._remoteStreams.indexOf(stream)>=0){return;}
+pc._remoteStreams.push(stream);var event=new Event('addstream');event.stream=stream;pc.dispatchEvent(event);});});}
+return origSetRemoteDescription.apply(pc,arguments);};}}
+function shimCallbacksAPI(window){if((typeof window==='undefined'?'undefined':_typeof(window))!=='object'||!window.RTCPeerConnection){return;}
+var prototype=window.RTCPeerConnection.prototype;var createOffer=prototype.createOffer;var createAnswer=prototype.createAnswer;var setLocalDescription=prototype.setLocalDescription;var setRemoteDescription=prototype.setRemoteDescription;var addIceCandidate=prototype.addIceCandidate;prototype.createOffer=function(successCallback,failureCallback){var options=arguments.length>=2?arguments[2]:arguments[0];var promise=createOffer.apply(this,[options]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.createAnswer=function(successCallback,failureCallback){var options=arguments.length>=2?arguments[2]:arguments[0];var promise=createAnswer.apply(this,[options]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};var withCallback=function withCallback(description,successCallback,failureCallback){var promise=setLocalDescription.apply(this,[description]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.setLocalDescription=withCallback;withCallback=function withCallback(description,successCallback,failureCallback){var promise=setRemoteDescription.apply(this,[description]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.setRemoteDescription=withCallback;withCallback=function withCallback(candidate,successCallback,failureCallback){var promise=addIceCandidate.apply(this,[candidate]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.addIceCandidate=withCallback;}
+function shimGetUserMedia(window){var navigator=window&&window.navigator;if(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){var mediaDevices=navigator.mediaDevices;var _getUserMedia=mediaDevices.getUserMedia.bind(mediaDevices);navigator.mediaDevices.getUserMedia=function(constraints){return _getUserMedia(shimConstraints(constraints));};}
+if(!navigator.getUserMedia&&navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){navigator.getUserMedia=function(constraints,cb,errcb){navigator.mediaDevices.getUserMedia(constraints).then(cb,errcb);}.bind(navigator);}}
+function shimConstraints(constraints){if(constraints&&constraints.video!==undefined){return Object.assign({},constraints,{video:utils.compactObject(constraints.video)});}
+return constraints;}
+function shimRTCIceServerUrls(window){var OrigPeerConnection=window.RTCPeerConnection;window.RTCPeerConnection=function(pcConfig,pcConstraints){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i=pos&&parseInt(match[pos],10);}
+function wrapPeerConnectionEvent(window,eventNameToWrap,wrapper){if(!window.RTCPeerConnection){return;}
+var proto=window.RTCPeerConnection.prototype;var nativeAddEventListener=proto.addEventListener;proto.addEventListener=function(nativeEventName,cb){if(nativeEventName!==eventNameToWrap){return nativeAddEventListener.apply(this,arguments);}
+var wrappedCallback=function wrappedCallback(e){var modifiedEvent=wrapper(e);if(modifiedEvent){cb(modifiedEvent);}};this._eventMap=this._eventMap||{};this._eventMap[cb]=wrappedCallback;return nativeAddEventListener.apply(this,[nativeEventName,wrappedCallback]);};var nativeRemoveEventListener=proto.removeEventListener;proto.removeEventListener=function(nativeEventName,cb){if(nativeEventName!==eventNameToWrap||!this._eventMap||!this._eventMap[cb]){return nativeRemoveEventListener.apply(this,arguments);}
+var unwrappedCb=this._eventMap[cb];delete this._eventMap[cb];return nativeRemoveEventListener.apply(this,[nativeEventName,unwrappedCb]);};Object.defineProperty(proto,'on'+eventNameToWrap,{get:function get(){return this['_on'+eventNameToWrap];},set:function set(cb){if(this['_on'+eventNameToWrap]){this.removeEventListener(eventNameToWrap,this['_on'+eventNameToWrap]);delete this['_on'+eventNameToWrap];}
+if(cb){this.addEventListener(eventNameToWrap,this['_on'+eventNameToWrap]=cb);}},enumerable:true,configurable:true});}
+function disableLog(bool){if(typeof bool!=='boolean'){return new Error('Argument type: '+(typeof bool==='undefined'?'undefined':_typeof(bool))+'. Please use a boolean.');}
+logDisabled_=bool;return bool?'adapter.js logging disabled':'adapter.js logging enabled';}
+function disableWarnings(bool){if(typeof bool!=='boolean'){return new Error('Argument type: '+(typeof bool==='undefined'?'undefined':_typeof(bool))+'. Please use a boolean.');}
+deprecationWarnings_=!bool;return'adapter.js deprecation warnings '+(bool?'disabled':'enabled');}
+function log(){if((typeof window==='undefined'?'undefined':_typeof(window))==='object'){if(logDisabled_){return;}
+if(typeof console!=='undefined'&&typeof console.log==='function'){console.log.apply(console,arguments);}}}
+function deprecated(oldMethod,newMethod){if(!deprecationWarnings_){return;}
+console.warn(oldMethod+' is deprecated, please use '+newMethod+' instead.');}
+function detectBrowser(window){var navigator=window.navigator;var result={browser:null,version:null};if(typeof window==='undefined'||!window.navigator){result.browser='Not a browser.';return result;}
+if(navigator.mozGetUserMedia){result.browser='firefox';result.version=extractVersion(navigator.userAgent,/Firefox\/(\d+)\./,1);}else if(navigator.webkitGetUserMedia){result.browser='chrome';result.version=extractVersion(navigator.userAgent,/Chrom(e|ium)\/(\d+)\./,2);}else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)){result.browser='edge';result.version=extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2);}else if(window.RTCPeerConnection&&navigator.userAgent.match(/AppleWebKit\/(\d+)\./)){result.browser='safari';result.version=extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1);}else{result.browser='Not a supported browser.';return result;}
+return result;}
+function compactObject(data){if((typeof data==='undefined'?'undefined':_typeof(data))!=='object'){return data;}
+return Object.keys(data).reduce(function(accumulator,key){var isObject=_typeof(data[key])==='object';var value=isObject?compactObject(data[key]):data[key];var isEmptyObject=isObject&&!Object.keys(value).length;if(value===undefined||isEmptyObject){return accumulator;}
+return Object.assign(accumulator,_defineProperty({},key,value));},{});}},{}],16:[function(require,module,exports){'use strict';var SDPUtils=require('sdp');function fixStatsType(stat){return{inboundrtp:'inbound-rtp',outboundrtp:'outbound-rtp',candidatepair:'candidate-pair',localcandidate:'local-candidate',remotecandidate:'remote-candidate'}[stat.type]||stat.type;}
+function writeMediaSection(transceiver,caps,type,stream,dtlsRole){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters());sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),type==='offer'?'actpass':dtlsRole||'active');sdp+='a=mid:'+transceiver.mid+'\r\n';if(transceiver.rtpSender&&transceiver.rtpReceiver){sdp+='a=sendrecv\r\n';}else if(transceiver.rtpSender){sdp+='a=sendonly\r\n';}else if(transceiver.rtpReceiver){sdp+='a=recvonly\r\n';}else{sdp+='a=inactive\r\n';}
+if(transceiver.rtpSender){var trackId=transceiver.rtpSender._initialTrackId||transceiver.rtpSender.track.id;transceiver.rtpSender._initialTrackId=trackId;var msid='msid:'+(stream?stream.id:'-')+' '+
+trackId+'\r\n';sdp+='a='+msid;sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' '+msid;if(transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' '+msid;sdp+='a=ssrc-group:FID '+
+transceiver.sendEncodingParameters[0].ssrc+' '+
+transceiver.sendEncodingParameters[0].rtx.ssrc+'\r\n';}}
+sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' cname:'+SDPUtils.localCName+'\r\n';if(transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' cname:'+SDPUtils.localCName+'\r\n';}
+return sdp;}
+function filterIceServers(iceServers,edgeVersion){var hasTurn=false;iceServers=JSON.parse(JSON.stringify(iceServers));return iceServers.filter(function(server){if(server&&(server.urls||server.url)){var urls=server.urls||server.url;if(server.url&&!server.urls){console.warn('RTCIceServer.url is deprecated! Use urls instead.');}
+var isString=typeof urls==='string';if(isString){urls=[urls];}
+urls=urls.filter(function(url){var validTurn=url.indexOf('turn:')===0&&url.indexOf('transport=udp')!==-1&&url.indexOf('turn:[')===-1&&!hasTurn;if(validTurn){hasTurn=true;return true;}
+return url.indexOf('stun:')===0&&edgeVersion>=14393&&url.indexOf('?transport=udp')===-1;});delete server.url;server.urls=isString?urls[0]:urls;return!!urls.length;}});}
+function getCommonCapabilities(localCapabilities,remoteCapabilities){var commonCapabilities={codecs:[],headerExtensions:[],fecMechanisms:[]};var findCodecByPayloadType=function(pt,codecs){pt=parseInt(pt,10);for(var i=0;i0;i--){this._iceGatherers.push(new window.RTCIceGatherer({iceServers:config.iceServers,gatherPolicy:config.iceTransportPolicy}));}}else{config.iceCandidatePoolSize=0;}
+this._config=config;this.transceivers=[];this._sdpSessionId=SDPUtils.generateSessionId();this._sdpSessionVersion=0;this._dtlsRole=undefined;this._isClosed=false;};Object.defineProperty(RTCPeerConnection.prototype,'localDescription',{configurable:true,get:function(){return this._localDescription;}});Object.defineProperty(RTCPeerConnection.prototype,'remoteDescription',{configurable:true,get:function(){return this._remoteDescription;}});RTCPeerConnection.prototype.onicecandidate=null;RTCPeerConnection.prototype.onaddstream=null;RTCPeerConnection.prototype.ontrack=null;RTCPeerConnection.prototype.onremovestream=null;RTCPeerConnection.prototype.onsignalingstatechange=null;RTCPeerConnection.prototype.oniceconnectionstatechange=null;RTCPeerConnection.prototype.onconnectionstatechange=null;RTCPeerConnection.prototype.onicegatheringstatechange=null;RTCPeerConnection.prototype.onnegotiationneeded=null;RTCPeerConnection.prototype.ondatachannel=null;RTCPeerConnection.prototype._dispatchEvent=function(name,event){if(this._isClosed){return;}
+this.dispatchEvent(event);if(typeof this['on'+name]==='function'){this['on'+name](event);}};RTCPeerConnection.prototype._emitGatheringStateChange=function(){var event=new Event('icegatheringstatechange');this._dispatchEvent('icegatheringstatechange',event);};RTCPeerConnection.prototype.getConfiguration=function(){return this._config;};RTCPeerConnection.prototype.getLocalStreams=function(){return this.localStreams;};RTCPeerConnection.prototype.getRemoteStreams=function(){return this.remoteStreams;};RTCPeerConnection.prototype._createTransceiver=function(kind,doNotAdd){var hasBundleTransport=this.transceivers.length>0;var transceiver={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:kind,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,associatedRemoteMediaStreams:[],wantReceive:true};if(this.usingBundle&&hasBundleTransport){transceiver.iceTransport=this.transceivers[0].iceTransport;transceiver.dtlsTransport=this.transceivers[0].dtlsTransport;}else{var transports=this._createIceAndDtlsTransports();transceiver.iceTransport=transports.iceTransport;transceiver.dtlsTransport=transports.dtlsTransport;}
+if(!doNotAdd){this.transceivers.push(transceiver);}
+return transceiver;};RTCPeerConnection.prototype.addTrack=function(track,stream){if(this._isClosed){throw makeError('InvalidStateError','Attempted to call addTrack on a closed peerconnection.');}
+var alreadyExists=this.transceivers.find(function(s){return s.track===track;});if(alreadyExists){throw makeError('InvalidAccessError','Track already exists.');}
+var transceiver;for(var i=0;i=15025){stream.getTracks().forEach(function(track){pc.addTrack(track,stream);});}else{var clonedStream=stream.clone();stream.getTracks().forEach(function(track,idx){var clonedTrack=clonedStream.getTracks()[idx];track.addEventListener('enabled',function(event){clonedTrack.enabled=event.enabled;});});clonedStream.getTracks().forEach(function(track){pc.addTrack(track,clonedStream);});}};RTCPeerConnection.prototype.removeTrack=function(sender){if(this._isClosed){throw makeError('InvalidStateError','Attempted to call removeTrack on a closed peerconnection.');}
+if(!(sender instanceof window.RTCRtpSender)){throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack '+'does not implement interface RTCRtpSender.');}
+var transceiver=this.transceivers.find(function(t){return t.rtpSender===sender;});if(!transceiver){throw makeError('InvalidAccessError','Sender was not created by this connection.');}
+var stream=transceiver.stream;transceiver.rtpSender.stop();transceiver.rtpSender=null;transceiver.track=null;transceiver.stream=null;var localStreams=this.transceivers.map(function(t){return t.stream;});if(localStreams.indexOf(stream)===-1&&this.localStreams.indexOf(stream)>-1){this.localStreams.splice(this.localStreams.indexOf(stream),1);}
+this._maybeFireNegotiationNeeded();};RTCPeerConnection.prototype.removeStream=function(stream){var pc=this;stream.getTracks().forEach(function(track){var sender=pc.getSenders().find(function(s){return s.track===track;});if(sender){pc.removeTrack(sender);}});};RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpSender;}).map(function(transceiver){return transceiver.rtpSender;});};RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpReceiver;}).map(function(transceiver){return transceiver.rtpReceiver;});};RTCPeerConnection.prototype._createIceGatherer=function(sdpMLineIndex,usingBundle){var pc=this;if(usingBundle&&sdpMLineIndex>0){return this.transceivers[0].iceGatherer;}else if(this._iceGatherers.length){return this._iceGatherers.shift();}
+var iceGatherer=new window.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});Object.defineProperty(iceGatherer,'state',{value:'new',writable:true});this.transceivers[sdpMLineIndex].bufferedCandidateEvents=[];this.transceivers[sdpMLineIndex].bufferCandidates=function(event){var end=!event.candidate||Object.keys(event.candidate).length===0;iceGatherer.state=end?'completed':'gathering';if(pc.transceivers[sdpMLineIndex].bufferedCandidateEvents!==null){pc.transceivers[sdpMLineIndex].bufferedCandidateEvents.push(event);}};iceGatherer.addEventListener('localcandidate',this.transceivers[sdpMLineIndex].bufferCandidates);return iceGatherer;};RTCPeerConnection.prototype._gather=function(mid,sdpMLineIndex){var pc=this;var iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;if(iceGatherer.onlocalcandidate){return;}
+var bufferedCandidateEvents=this.transceivers[sdpMLineIndex].bufferedCandidateEvents;this.transceivers[sdpMLineIndex].bufferedCandidateEvents=null;iceGatherer.removeEventListener('localcandidate',this.transceivers[sdpMLineIndex].bufferCandidates);iceGatherer.onlocalcandidate=function(evt){if(pc.usingBundle&&sdpMLineIndex>0){return;}
+var event=new Event('icecandidate');event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate;var end=!cand||Object.keys(cand).length===0;if(end){if(iceGatherer.state==='new'||iceGatherer.state==='gathering'){iceGatherer.state='completed';}}else{if(iceGatherer.state==='new'){iceGatherer.state='gathering';}
+cand.component=1;cand.ufrag=iceGatherer.getLocalParameters().usernameFragment;var serializedCandidate=SDPUtils.writeCandidate(cand);event.candidate=Object.assign(event.candidate,SDPUtils.parseCandidate(serializedCandidate));event.candidate.candidate=serializedCandidate;event.candidate.toJSON=function(){return{candidate:event.candidate.candidate,sdpMid:event.candidate.sdpMid,sdpMLineIndex:event.candidate.sdpMLineIndex,usernameFragment:event.candidate.usernameFragment};};}
+var sections=SDPUtils.getMediaSections(pc._localDescription.sdp);if(!end){sections[event.candidate.sdpMLineIndex]+='a='+event.candidate.candidate+'\r\n';}else{sections[event.candidate.sdpMLineIndex]+='a=end-of-candidates\r\n';}
+pc._localDescription.sdp=SDPUtils.getDescription(pc._localDescription.sdp)+
+sections.join('');var complete=pc.transceivers.every(function(transceiver){return transceiver.iceGatherer&&transceiver.iceGatherer.state==='completed';});if(pc.iceGatheringState!=='gathering'){pc.iceGatheringState='gathering';pc._emitGatheringStateChange();}
+if(!end){pc._dispatchEvent('icecandidate',event);}
+if(complete){pc._dispatchEvent('icecandidate',new Event('icecandidate'));pc.iceGatheringState='complete';pc._emitGatheringStateChange();}};window.setTimeout(function(){bufferedCandidateEvents.forEach(function(e){iceGatherer.onlocalcandidate(e);});},0);};RTCPeerConnection.prototype._createIceAndDtlsTransports=function(){var pc=this;var iceTransport=new window.RTCIceTransport(null);iceTransport.onicestatechange=function(){pc._updateIceConnectionState();pc._updateConnectionState();};var dtlsTransport=new window.RTCDtlsTransport(iceTransport);dtlsTransport.ondtlsstatechange=function(){pc._updateConnectionState();};dtlsTransport.onerror=function(){Object.defineProperty(dtlsTransport,'state',{value:'failed',writable:true});pc._updateConnectionState();};return{iceTransport:iceTransport,dtlsTransport:dtlsTransport};};RTCPeerConnection.prototype._disposeIceAndDtlsTransports=function(sdpMLineIndex){var iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;if(iceGatherer){delete iceGatherer.onlocalcandidate;delete this.transceivers[sdpMLineIndex].iceGatherer;}
+var iceTransport=this.transceivers[sdpMLineIndex].iceTransport;if(iceTransport){delete iceTransport.onicestatechange;delete this.transceivers[sdpMLineIndex].iceTransport;}
+var dtlsTransport=this.transceivers[sdpMLineIndex].dtlsTransport;if(dtlsTransport){delete dtlsTransport.ondtlsstatechange;delete dtlsTransport.onerror;delete this.transceivers[sdpMLineIndex].dtlsTransport;}};RTCPeerConnection.prototype._transceive=function(transceiver,send,recv){var params=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);if(send&&transceiver.rtpSender){params.encodings=transceiver.sendEncodingParameters;params.rtcp={cname:SDPUtils.localCName,compound:transceiver.rtcpParameters.compound};if(transceiver.recvEncodingParameters.length){params.rtcp.ssrc=transceiver.recvEncodingParameters[0].ssrc;}
+transceiver.rtpSender.send(params);}
+if(recv&&transceiver.rtpReceiver&¶ms.codecs.length>0){if(transceiver.kind==='video'&&transceiver.recvEncodingParameters&&edgeVersion<15019){transceiver.recvEncodingParameters.forEach(function(p){delete p.rtx;});}
+if(transceiver.recvEncodingParameters.length){params.encodings=transceiver.recvEncodingParameters;}else{params.encodings=[{}];}
+params.rtcp={compound:transceiver.rtcpParameters.compound};if(transceiver.rtcpParameters.cname){params.rtcp.cname=transceiver.rtcpParameters.cname;}
+if(transceiver.sendEncodingParameters.length){params.rtcp.ssrc=transceiver.sendEncodingParameters[0].ssrc;}
+transceiver.rtpReceiver.receive(params);}};RTCPeerConnection.prototype.setLocalDescription=function(description){var pc=this;if(['offer','answer'].indexOf(description.type)===-1){return Promise.reject(makeError('TypeError','Unsupported type "'+description.type+'"'));}
+if(!isActionAllowedInSignalingState('setLocalDescription',description.type,pc.signalingState)||pc._isClosed){return Promise.reject(makeError('InvalidStateError','Can not set local '+description.type+' in state '+pc.signalingState));}
+var sections;var sessionpart;if(description.type==='offer'){sections=SDPUtils.splitSections(description.sdp);sessionpart=sections.shift();sections.forEach(function(mediaSection,sdpMLineIndex){var caps=SDPUtils.parseRtpParameters(mediaSection);pc.transceivers[sdpMLineIndex].localCapabilities=caps;});pc.transceivers.forEach(function(transceiver,sdpMLineIndex){pc._gather(transceiver.mid,sdpMLineIndex);});}else if(description.type==='answer'){sections=SDPUtils.splitSections(pc._remoteDescription.sdp);sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,'a=ice-lite').length>0;sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver=pc.transceivers[sdpMLineIndex];var iceGatherer=transceiver.iceGatherer;var iceTransport=transceiver.iceTransport;var dtlsTransport=transceiver.dtlsTransport;var localCapabilities=transceiver.localCapabilities;var remoteCapabilities=transceiver.remoteCapabilities;var rejected=SDPUtils.isRejected(mediaSection)&&SDPUtils.matchPrefix(mediaSection,'a=bundle-only').length===0;if(!rejected&&!transceiver.rejected){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);if(isIceLite){remoteDtlsParameters.role='server';}
+if(!pc.usingBundle||sdpMLineIndex===0){pc._gather(transceiver.mid,sdpMLineIndex);if(iceTransport.state==='new'){iceTransport.start(iceGatherer,remoteIceParameters,isIceLite?'controlling':'controlled');}
+if(dtlsTransport.state==='new'){dtlsTransport.start(remoteDtlsParameters);}}
+var params=getCommonCapabilities(localCapabilities,remoteCapabilities);pc._transceive(transceiver,params.codecs.length>0,false);}});}
+pc._localDescription={type:description.type,sdp:description.sdp};if(description.type==='offer'){pc._updateSignalingState('have-local-offer');}else{pc._updateSignalingState('stable');}
+return Promise.resolve();};RTCPeerConnection.prototype.setRemoteDescription=function(description){var pc=this;if(['offer','answer'].indexOf(description.type)===-1){return Promise.reject(makeError('TypeError','Unsupported type "'+description.type+'"'));}
+if(!isActionAllowedInSignalingState('setRemoteDescription',description.type,pc.signalingState)||pc._isClosed){return Promise.reject(makeError('InvalidStateError','Can not set remote '+description.type+' in state '+pc.signalingState));}
+var streams={};pc.remoteStreams.forEach(function(stream){streams[stream.id]=stream;});var receiverList=[];var sections=SDPUtils.splitSections(description.sdp);var sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,'a=ice-lite').length>0;var usingBundle=SDPUtils.matchPrefix(sessionpart,'a=group:BUNDLE ').length>0;pc.usingBundle=usingBundle;var iceOptions=SDPUtils.matchPrefix(sessionpart,'a=ice-options:')[0];if(iceOptions){pc.canTrickleIceCandidates=iceOptions.substr(14).split(' ').indexOf('trickle')>=0;}else{pc.canTrickleIceCandidates=false;}
+sections.forEach(function(mediaSection,sdpMLineIndex){var lines=SDPUtils.splitLines(mediaSection);var kind=SDPUtils.getKind(mediaSection);var rejected=SDPUtils.isRejected(mediaSection)&&SDPUtils.matchPrefix(mediaSection,'a=bundle-only').length===0;var protocol=lines[0].substr(2).split(' ')[2];var direction=SDPUtils.getDirection(mediaSection,sessionpart);var remoteMsid=SDPUtils.parseMsid(mediaSection);var mid=SDPUtils.getMid(mediaSection)||SDPUtils.generateIdentifier();if(rejected||(kind==='application'&&(protocol==='DTLS/SCTP'||protocol==='UDP/DTLS/SCTP'))){pc.transceivers[sdpMLineIndex]={mid:mid,kind:kind,protocol:protocol,rejected:true};return;}
+if(!rejected&&pc.transceivers[sdpMLineIndex]&&pc.transceivers[sdpMLineIndex].rejected){pc.transceivers[sdpMLineIndex]=pc._createTransceiver(kind,true);}
+var transceiver;var iceGatherer;var iceTransport;var dtlsTransport;var rtpReceiver;var sendEncodingParameters;var recvEncodingParameters;var localCapabilities;var track;var remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);var remoteIceParameters;var remoteDtlsParameters;if(!rejected){remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);remoteDtlsParameters.role='client';}
+recvEncodingParameters=SDPUtils.parseRtpEncodingParameters(mediaSection);var rtcpParameters=SDPUtils.parseRtcpParameters(mediaSection);var isComplete=SDPUtils.matchPrefix(mediaSection,'a=end-of-candidates',sessionpart).length>0;var cands=SDPUtils.matchPrefix(mediaSection,'a=candidate:').map(function(cand){return SDPUtils.parseCandidate(cand);}).filter(function(cand){return cand.component===1;});if((description.type==='offer'||description.type==='answer')&&!rejected&&usingBundle&&sdpMLineIndex>0&&pc.transceivers[sdpMLineIndex]){pc._disposeIceAndDtlsTransports(sdpMLineIndex);pc.transceivers[sdpMLineIndex].iceGatherer=pc.transceivers[0].iceGatherer;pc.transceivers[sdpMLineIndex].iceTransport=pc.transceivers[0].iceTransport;pc.transceivers[sdpMLineIndex].dtlsTransport=pc.transceivers[0].dtlsTransport;if(pc.transceivers[sdpMLineIndex].rtpSender){pc.transceivers[sdpMLineIndex].rtpSender.setTransport(pc.transceivers[0].dtlsTransport);}
+if(pc.transceivers[sdpMLineIndex].rtpReceiver){pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(pc.transceivers[0].dtlsTransport);}}
+if(description.type==='offer'&&!rejected){transceiver=pc.transceivers[sdpMLineIndex]||pc._createTransceiver(kind);transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=pc._createIceGatherer(sdpMLineIndex,usingBundle);}
+if(cands.length&&transceiver.iceTransport.state==='new'){if(isComplete&&(!usingBundle||sdpMLineIndex===0)){transceiver.iceTransport.setRemoteCandidates(cands);}else{cands.forEach(function(candidate){maybeAddCandidate(transceiver.iceTransport,candidate);});}}
+localCapabilities=window.RTCRtpReceiver.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=='rtx';});}
+sendEncodingParameters=transceiver.sendEncodingParameters||[{ssrc:(2*sdpMLineIndex+2)*1001}];var isNewTrack=false;if(direction==='sendrecv'||direction==='sendonly'){isNewTrack=!transceiver.rtpReceiver;rtpReceiver=transceiver.rtpReceiver||new window.RTCRtpReceiver(transceiver.dtlsTransport,kind);if(isNewTrack){var stream;track=rtpReceiver.track;if(remoteMsid&&remoteMsid.stream==='-'){}else if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new window.MediaStream();Object.defineProperty(streams[remoteMsid.stream],'id',{get:function(){return remoteMsid.stream;}});}
+Object.defineProperty(track,'id',{get:function(){return remoteMsid.track;}});stream=streams[remoteMsid.stream];}else{if(!streams.default){streams.default=new window.MediaStream();}
+stream=streams.default;}
+if(stream){addTrackToStreamAndFireEvent(track,stream);transceiver.associatedRemoteMediaStreams.push(stream);}
+receiverList.push([track,rtpReceiver,stream]);}}else if(transceiver.rtpReceiver&&transceiver.rtpReceiver.track){transceiver.associatedRemoteMediaStreams.forEach(function(s){var nativeTrack=s.getTracks().find(function(t){return t.id===transceiver.rtpReceiver.track.id;});if(nativeTrack){removeTrackFromStreamAndFireEvent(nativeTrack,s);}});transceiver.associatedRemoteMediaStreams=[];}
+transceiver.localCapabilities=localCapabilities;transceiver.remoteCapabilities=remoteCapabilities;transceiver.rtpReceiver=rtpReceiver;transceiver.rtcpParameters=rtcpParameters;transceiver.sendEncodingParameters=sendEncodingParameters;transceiver.recvEncodingParameters=recvEncodingParameters;pc._transceive(pc.transceivers[sdpMLineIndex],false,isNewTrack);}else if(description.type==='answer'&&!rejected){transceiver=pc.transceivers[sdpMLineIndex];iceGatherer=transceiver.iceGatherer;iceTransport=transceiver.iceTransport;dtlsTransport=transceiver.dtlsTransport;rtpReceiver=transceiver.rtpReceiver;sendEncodingParameters=transceiver.sendEncodingParameters;localCapabilities=transceiver.localCapabilities;pc.transceivers[sdpMLineIndex].recvEncodingParameters=recvEncodingParameters;pc.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities;pc.transceivers[sdpMLineIndex].rtcpParameters=rtcpParameters;if(cands.length&&iceTransport.state==='new'){if((isIceLite||isComplete)&&(!usingBundle||sdpMLineIndex===0)){iceTransport.setRemoteCandidates(cands);}else{cands.forEach(function(candidate){maybeAddCandidate(transceiver.iceTransport,candidate);});}}
+if(!usingBundle||sdpMLineIndex===0){if(iceTransport.state==='new'){iceTransport.start(iceGatherer,remoteIceParameters,'controlling');}
+if(dtlsTransport.state==='new'){dtlsTransport.start(remoteDtlsParameters);}}
+var commonCapabilities=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);var hasRtx=commonCapabilities.codecs.filter(function(c){return c.name.toLowerCase()==='rtx';}).length;if(!hasRtx&&transceiver.sendEncodingParameters[0].rtx){delete transceiver.sendEncodingParameters[0].rtx;}
+pc._transceive(transceiver,direction==='sendrecv'||direction==='recvonly',direction==='sendrecv'||direction==='sendonly');if(rtpReceiver&&(direction==='sendrecv'||direction==='sendonly')){track=rtpReceiver.track;if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new window.MediaStream();}
+addTrackToStreamAndFireEvent(track,streams[remoteMsid.stream]);receiverList.push([track,rtpReceiver,streams[remoteMsid.stream]]);}else{if(!streams.default){streams.default=new window.MediaStream();}
+addTrackToStreamAndFireEvent(track,streams.default);receiverList.push([track,rtpReceiver,streams.default]);}}else{delete transceiver.rtpReceiver;}}});if(pc._dtlsRole===undefined){pc._dtlsRole=description.type==='offer'?'active':'passive';}
+pc._remoteDescription={type:description.type,sdp:description.sdp};if(description.type==='offer'){pc._updateSignalingState('have-remote-offer');}else{pc._updateSignalingState('stable');}
+Object.keys(streams).forEach(function(sid){var stream=streams[sid];if(stream.getTracks().length){if(pc.remoteStreams.indexOf(stream)===-1){pc.remoteStreams.push(stream);var event=new Event('addstream');event.stream=stream;window.setTimeout(function(){pc._dispatchEvent('addstream',event);});}
+receiverList.forEach(function(item){var track=item[0];var receiver=item[1];if(stream.id!==item[2].id){return;}
+fireAddTrack(pc,track,receiver,[stream]);});}});receiverList.forEach(function(item){if(item[2]){return;}
+fireAddTrack(pc,item[0],item[1],[]);});window.setTimeout(function(){if(!(pc&&pc.transceivers)){return;}
+pc.transceivers.forEach(function(transceiver){if(transceiver.iceTransport&&transceiver.iceTransport.state==='new'&&transceiver.iceTransport.getRemoteCandidates().length>0){console.warn('Timeout for addRemoteCandidate. Consider sending '+'an end-of-candidates notification');transceiver.iceTransport.addRemoteCandidate({});}});},4000);return Promise.resolve();};RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport){transceiver.iceTransport.stop();}
+if(transceiver.dtlsTransport){transceiver.dtlsTransport.stop();}
+if(transceiver.rtpSender){transceiver.rtpSender.stop();}
+if(transceiver.rtpReceiver){transceiver.rtpReceiver.stop();}});this._isClosed=true;this._updateSignalingState('closed');};RTCPeerConnection.prototype._updateSignalingState=function(newState){this.signalingState=newState;var event=new Event('signalingstatechange');this._dispatchEvent('signalingstatechange',event);};RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var pc=this;if(this.signalingState!=='stable'||this.needNegotiation===true){return;}
+this.needNegotiation=true;window.setTimeout(function(){if(pc.needNegotiation){pc.needNegotiation=false;var event=new Event('negotiationneeded');pc._dispatchEvent('negotiationneeded',event);}},0);};RTCPeerConnection.prototype._updateIceConnectionState=function(){var newState;var states={'new':0,closed:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport&&!transceiver.rejected){states[transceiver.iceTransport.state]++;}});newState='new';if(states.failed>0){newState='failed';}else if(states.checking>0){newState='checking';}else if(states.disconnected>0){newState='disconnected';}else if(states.new>0){newState='new';}else if(states.connected>0){newState='connected';}else if(states.completed>0){newState='completed';}
+if(newState!==this.iceConnectionState){this.iceConnectionState=newState;var event=new Event('iceconnectionstatechange');this._dispatchEvent('iceconnectionstatechange',event);}};RTCPeerConnection.prototype._updateConnectionState=function(){var newState;var states={'new':0,closed:0,connecting:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport&&transceiver.dtlsTransport&&!transceiver.rejected){states[transceiver.iceTransport.state]++;states[transceiver.dtlsTransport.state]++;}});states.connected+=states.completed;newState='new';if(states.failed>0){newState='failed';}else if(states.connecting>0){newState='connecting';}else if(states.disconnected>0){newState='disconnected';}else if(states.new>0){newState='new';}else if(states.connected>0){newState='connected';}
+if(newState!==this.connectionState){this.connectionState=newState;var event=new Event('connectionstatechange');this._dispatchEvent('connectionstatechange',event);}};RTCPeerConnection.prototype.createOffer=function(){var pc=this;if(pc._isClosed){return Promise.reject(makeError('InvalidStateError','Can not call createOffer after close'));}
+var numAudioTracks=pc.transceivers.filter(function(t){return t.kind==='audio';}).length;var numVideoTracks=pc.transceivers.filter(function(t){return t.kind==='video';}).length;var offerOptions=arguments[0];if(offerOptions){if(offerOptions.mandatory||offerOptions.optional){throw new TypeError('Legacy mandatory/optional constraints not supported.');}
+if(offerOptions.offerToReceiveAudio!==undefined){if(offerOptions.offerToReceiveAudio===true){numAudioTracks=1;}else if(offerOptions.offerToReceiveAudio===false){numAudioTracks=0;}else{numAudioTracks=offerOptions.offerToReceiveAudio;}}
+if(offerOptions.offerToReceiveVideo!==undefined){if(offerOptions.offerToReceiveVideo===true){numVideoTracks=1;}else if(offerOptions.offerToReceiveVideo===false){numVideoTracks=0;}else{numVideoTracks=offerOptions.offerToReceiveVideo;}}}
+pc.transceivers.forEach(function(transceiver){if(transceiver.kind==='audio'){numAudioTracks--;if(numAudioTracks<0){transceiver.wantReceive=false;}}else if(transceiver.kind==='video'){numVideoTracks--;if(numVideoTracks<0){transceiver.wantReceive=false;}}});while(numAudioTracks>0||numVideoTracks>0){if(numAudioTracks>0){pc._createTransceiver('audio');numAudioTracks--;}
+if(numVideoTracks>0){pc._createTransceiver('video');numVideoTracks--;}}
+var sdp=SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,pc._sdpSessionVersion++);pc.transceivers.forEach(function(transceiver,sdpMLineIndex){var track=transceiver.track;var kind=transceiver.kind;var mid=transceiver.mid||SDPUtils.generateIdentifier();transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=pc._createIceGatherer(sdpMLineIndex,pc.usingBundle);}
+var localCapabilities=window.RTCRtpSender.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=='rtx';});}
+localCapabilities.codecs.forEach(function(codec){if(codec.name==='H264'&&codec.parameters['level-asymmetry-allowed']===undefined){codec.parameters['level-asymmetry-allowed']='1';}
+if(transceiver.remoteCapabilities&&transceiver.remoteCapabilities.codecs){transceiver.remoteCapabilities.codecs.forEach(function(remoteCodec){if(codec.name.toLowerCase()===remoteCodec.name.toLowerCase()&&codec.clockRate===remoteCodec.clockRate){codec.preferredPayloadType=remoteCodec.payloadType;}});}});localCapabilities.headerExtensions.forEach(function(hdrExt){var remoteExtensions=transceiver.remoteCapabilities&&transceiver.remoteCapabilities.headerExtensions||[];remoteExtensions.forEach(function(rHdrExt){if(hdrExt.uri===rHdrExt.uri){hdrExt.id=rHdrExt.id;}});});var sendEncodingParameters=transceiver.sendEncodingParameters||[{ssrc:(2*sdpMLineIndex+1)*1001}];if(track){if(edgeVersion>=15019&&kind==='video'&&!sendEncodingParameters[0].rtx){sendEncodingParameters[0].rtx={ssrc:sendEncodingParameters[0].ssrc+1};}}
+if(transceiver.wantReceive){transceiver.rtpReceiver=new window.RTCRtpReceiver(transceiver.dtlsTransport,kind);}
+transceiver.localCapabilities=localCapabilities;transceiver.sendEncodingParameters=sendEncodingParameters;});if(pc._config.bundlePolicy!=='max-compat'){sdp+='a=group:BUNDLE '+pc.transceivers.map(function(t){return t.mid;}).join(' ')+'\r\n';}
+sdp+='a=ice-options:trickle\r\n';pc.transceivers.forEach(function(transceiver,sdpMLineIndex){sdp+=writeMediaSection(transceiver,transceiver.localCapabilities,'offer',transceiver.stream,pc._dtlsRole);sdp+='a=rtcp-rsize\r\n';if(transceiver.iceGatherer&&pc.iceGatheringState!=='new'&&(sdpMLineIndex===0||!pc.usingBundle)){transceiver.iceGatherer.getLocalCandidates().forEach(function(cand){cand.component=1;sdp+='a='+SDPUtils.writeCandidate(cand)+'\r\n';});if(transceiver.iceGatherer.state==='completed'){sdp+='a=end-of-candidates\r\n';}}});var desc=new window.RTCSessionDescription({type:'offer',sdp:sdp});return Promise.resolve(desc);};RTCPeerConnection.prototype.createAnswer=function(){var pc=this;if(pc._isClosed){return Promise.reject(makeError('InvalidStateError','Can not call createAnswer after close'));}
+if(!(pc.signalingState==='have-remote-offer'||pc.signalingState==='have-local-pranswer')){return Promise.reject(makeError('InvalidStateError','Can not call createAnswer in signalingState '+pc.signalingState));}
+var sdp=SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,pc._sdpSessionVersion++);if(pc.usingBundle){sdp+='a=group:BUNDLE '+pc.transceivers.map(function(t){return t.mid;}).join(' ')+'\r\n';}
+sdp+='a=ice-options:trickle\r\n';var mediaSectionsInOffer=SDPUtils.getMediaSections(pc._remoteDescription.sdp).length;pc.transceivers.forEach(function(transceiver,sdpMLineIndex){if(sdpMLineIndex+1>mediaSectionsInOffer){return;}
+if(transceiver.rejected){if(transceiver.kind==='application'){if(transceiver.protocol==='DTLS/SCTP'){sdp+='m=application 0 DTLS/SCTP 5000\r\n';}else{sdp+='m=application 0 '+transceiver.protocol+' webrtc-datachannel\r\n';}}else if(transceiver.kind==='audio'){sdp+='m=audio 0 UDP/TLS/RTP/SAVPF 0\r\n'+'a=rtpmap:0 PCMU/8000\r\n';}else if(transceiver.kind==='video'){sdp+='m=video 0 UDP/TLS/RTP/SAVPF 120\r\n'+'a=rtpmap:120 VP8/90000\r\n';}
+sdp+='c=IN IP4 0.0.0.0\r\n'+'a=inactive\r\n'+'a=mid:'+transceiver.mid+'\r\n';return;}
+if(transceiver.stream){var localTrack;if(transceiver.kind==='audio'){localTrack=transceiver.stream.getAudioTracks()[0];}else if(transceiver.kind==='video'){localTrack=transceiver.stream.getVideoTracks()[0];}
+if(localTrack){if(edgeVersion>=15019&&transceiver.kind==='video'&&!transceiver.sendEncodingParameters[0].rtx){transceiver.sendEncodingParameters[0].rtx={ssrc:transceiver.sendEncodingParameters[0].ssrc+1};}}}
+var commonCapabilities=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);var hasRtx=commonCapabilities.codecs.filter(function(c){return c.name.toLowerCase()==='rtx';}).length;if(!hasRtx&&transceiver.sendEncodingParameters[0].rtx){delete transceiver.sendEncodingParameters[0].rtx;}
+sdp+=writeMediaSection(transceiver,commonCapabilities,'answer',transceiver.stream,pc._dtlsRole);if(transceiver.rtcpParameters&&transceiver.rtcpParameters.reducedSize){sdp+='a=rtcp-rsize\r\n';}});var desc=new window.RTCSessionDescription({type:'answer',sdp:sdp});return Promise.resolve(desc);};RTCPeerConnection.prototype.addIceCandidate=function(candidate){var pc=this;var sections;if(candidate&&!(candidate.sdpMLineIndex!==undefined||candidate.sdpMid)){return Promise.reject(new TypeError('sdpMLineIndex or sdpMid required'));}
+return new Promise(function(resolve,reject){if(!pc._remoteDescription){return reject(makeError('InvalidStateError','Can not add ICE candidate without a remote description'));}else if(!candidate||candidate.candidate===''){for(var j=0;j0?SDPUtils.parseCandidate(candidate.candidate):{};if(cand.protocol==='tcp'&&(cand.port===0||cand.port===9)){return resolve();}
+if(cand.component&&cand.component!==1){return resolve();}
+if(sdpMLineIndex===0||(sdpMLineIndex>0&&transceiver.iceTransport!==pc.transceivers[0].iceTransport)){if(!maybeAddCandidate(transceiver.iceTransport,cand)){return reject(makeError('OperationError','Can not add ICE candidate'));}}
+var candidateString=candidate.candidate.trim();if(candidateString.indexOf('a=')===0){candidateString=candidateString.substr(2);}
+sections=SDPUtils.getMediaSections(pc._remoteDescription.sdp);sections[sdpMLineIndex]+='a='+
+(cand.type?candidateString:'end-of-candidates')
++'\r\n';pc._remoteDescription.sdp=SDPUtils.getDescription(pc._remoteDescription.sdp)+
+sections.join('');}else{return reject(makeError('OperationError','Can not add ICE candidate'));}}
+resolve();});};RTCPeerConnection.prototype.getStats=function(selector){if(selector&&selector instanceof window.MediaStreamTrack){var senderOrReceiver=null;this.transceivers.forEach(function(transceiver){if(transceiver.rtpSender&&transceiver.rtpSender.track===selector){senderOrReceiver=transceiver.rtpSender;}else if(transceiver.rtpReceiver&&transceiver.rtpReceiver.track===selector){senderOrReceiver=transceiver.rtpReceiver;}});if(!senderOrReceiver){throw makeError('InvalidAccessError','Invalid selector.');}
+return senderOrReceiver.getStats();}
+var promises=[];this.transceivers.forEach(function(transceiver){['rtpSender','rtpReceiver','iceGatherer','iceTransport','dtlsTransport'].forEach(function(method){if(transceiver[method]){promises.push(transceiver[method].getStats());}});});return Promise.all(promises).then(function(allStats){var results=new Map();allStats.forEach(function(stats){stats.forEach(function(stat){results.set(stat.id,stat);});});return results;});};var ortcObjects=['RTCRtpSender','RTCRtpReceiver','RTCIceGatherer','RTCIceTransport','RTCDtlsTransport'];ortcObjects.forEach(function(ortcObjectName){var obj=window[ortcObjectName];if(obj&&obj.prototype&&obj.prototype.getStats){var nativeGetstats=obj.prototype.getStats;obj.prototype.getStats=function(){return nativeGetstats.apply(this).then(function(nativeStats){var mapStats=new Map();Object.keys(nativeStats).forEach(function(id){nativeStats[id].type=fixStatsType(nativeStats[id]);mapStats.set(id,nativeStats[id]);});return mapStats;});};}});var methods=['createOffer','createAnswer'];methods.forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[0]==='function'||typeof args[1]==='function'){return nativeMethod.apply(this,[arguments[2]]).then(function(description){if(typeof args[0]==='function'){args[0].apply(null,[description]);}},function(error){if(typeof args[1]==='function'){args[1].apply(null,[error]);}});}
+return nativeMethod.apply(this,arguments);};});methods=['setLocalDescription','setRemoteDescription','addIceCandidate'];methods.forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[1]==='function'||typeof args[2]==='function'){return nativeMethod.apply(this,arguments).then(function(){if(typeof args[1]==='function'){args[1].apply(null);}},function(error){if(typeof args[2]==='function'){args[2].apply(null,[error]);}});}
+return nativeMethod.apply(this,arguments);};});['getStats'].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;if(typeof args[1]==='function'){return nativeMethod.apply(this,arguments).then(function(){if(typeof args[1]==='function'){args[1].apply(null);}});}
+return nativeMethod.apply(this,arguments);};});return RTCPeerConnection;};},{"sdp":17}],17:[function(require,module,exports){'use strict';var SDPUtils={};SDPUtils.generateIdentifier=function(){return Math.random().toString(36).substr(2,10);};SDPUtils.localCName=SDPUtils.generateIdentifier();SDPUtils.splitLines=function(blob){return blob.trim().split('\n').map(function(line){return line.trim();});};SDPUtils.splitSections=function(blob){var parts=blob.split('\nm=');return parts.map(function(part,index){return(index>0?'m='+part:part).trim()+'\r\n';});};SDPUtils.getDescription=function(blob){var sections=SDPUtils.splitSections(blob);return sections&§ions[0];};SDPUtils.getMediaSections=function(blob){var sections=SDPUtils.splitSections(blob);sections.shift();return sections;};SDPUtils.matchPrefix=function(blob,prefix){return SDPUtils.splitLines(blob).filter(function(line){return line.indexOf(prefix)===0;});};SDPUtils.parseCandidate=function(line){var parts;if(line.indexOf('a=candidate:')===0){parts=line.substring(12).split(' ');}else{parts=line.substring(10).split(' ');}
+var candidate={foundation:parts[0],component:parseInt(parts[1],10),protocol:parts[2].toLowerCase(),priority:parseInt(parts[3],10),ip:parts[4],address:parts[4],port:parseInt(parts[5],10),type:parts[7]};for(var i=8;i0?parts[0].split('/')[1]:'sendrecv',uri:parts[1]};};SDPUtils.writeExtmap=function(headerExtension){return'a=extmap:'+(headerExtension.id||headerExtension.preferredId)+
+(headerExtension.direction&&headerExtension.direction!=='sendrecv'?'/'+headerExtension.direction:'')+' '+headerExtension.uri+'\r\n';};SDPUtils.parseFmtp=function(line){var parsed={};var kv;var parts=line.substr(line.indexOf(' ')+1).split(';');for(var j=0;j-1){parts.attribute=line.substr(sp+1,colon-sp-1);parts.value=line.substr(colon+1);}else{parts.attribute=line.substr(sp+1);}
+return parts;};SDPUtils.parseSsrcGroup=function(line){var parts=line.substr(13).split(' ');return{semantics:parts.shift(),ssrcs:parts.map(function(ssrc){return parseInt(ssrc,10);})};};SDPUtils.getMid=function(mediaSection){var mid=SDPUtils.matchPrefix(mediaSection,'a=mid:')[0];if(mid){return mid.substr(6);}};SDPUtils.parseFingerprint=function(line){var parts=line.substr(14).split(' ');return{algorithm:parts[0].toLowerCase(),value:parts[1]};};SDPUtils.getDtlsParameters=function(mediaSection,sessionpart){var lines=SDPUtils.matchPrefix(mediaSection+sessionpart,'a=fingerprint:');return{role:'auto',fingerprints:lines.map(SDPUtils.parseFingerprint)};};SDPUtils.writeDtlsParameters=function(params,setupType){var sdp='a=setup:'+setupType+'\r\n';params.fingerprints.forEach(function(fp){sdp+='a=fingerprint:'+fp.algorithm+' '+fp.value+'\r\n';});return sdp;};SDPUtils.getIceParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);lines=lines.concat(SDPUtils.splitLines(sessionpart));var iceParameters={usernameFragment:lines.filter(function(line){return line.indexOf('a=ice-ufrag:')===0;})[0].substr(12),password:lines.filter(function(line){return line.indexOf('a=ice-pwd:')===0;})[0].substr(10)};return iceParameters;};SDPUtils.writeIceParameters=function(params){return'a=ice-ufrag:'+params.usernameFragment+'\r\n'+'a=ice-pwd:'+params.password+'\r\n';};SDPUtils.parseRtpParameters=function(mediaSection){var description={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]};var lines=SDPUtils.splitLines(mediaSection);var mline=lines[0].split(' ');for(var i=3;i0?'9':'0';sdp+=' UDP/TLS/RTP/SAVPF ';sdp+=caps.codecs.map(function(codec){if(codec.preferredPayloadType!==undefined){return codec.preferredPayloadType;}
+return codec.payloadType;}).join(' ')+'\r\n';sdp+='c=IN IP4 0.0.0.0\r\n';sdp+='a=rtcp:9 IN IP4 0.0.0.0\r\n';caps.codecs.forEach(function(codec){sdp+=SDPUtils.writeRtpMap(codec);sdp+=SDPUtils.writeFmtp(codec);sdp+=SDPUtils.writeRtcpFb(codec);});var maxptime=0;caps.codecs.forEach(function(codec){if(codec.maxptime>maxptime){maxptime=codec.maxptime;}});if(maxptime>0){sdp+='a=maxptime:'+maxptime+'\r\n';}
+sdp+='a=rtcp-mux\r\n';if(caps.headerExtensions){caps.headerExtensions.forEach(function(extension){sdp+=SDPUtils.writeExtmap(extension);});}
+return sdp;};SDPUtils.parseRtpEncodingParameters=function(mediaSection){var encodingParameters=[];var description=SDPUtils.parseRtpParameters(mediaSection);var hasRed=description.fecMechanisms.indexOf('RED')!==-1;var hasUlpfec=description.fecMechanisms.indexOf('ULPFEC')!==-1;var ssrcs=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(parts){return parts.attribute==='cname';});var primarySsrc=ssrcs.length>0&&ssrcs[0].ssrc;var secondarySsrc;var flows=SDPUtils.matchPrefix(mediaSection,'a=ssrc-group:FID').map(function(line){var parts=line.substr(17).split(' ');return parts.map(function(part){return parseInt(part,10);});});if(flows.length>0&&flows[0].length>1&&flows[0][0]===primarySsrc){secondarySsrc=flows[0][1];}
+description.codecs.forEach(function(codec){if(codec.name.toUpperCase()==='RTX'&&codec.parameters.apt){var encParam={ssrc:primarySsrc,codecPayloadType:parseInt(codec.parameters.apt,10)};if(primarySsrc&&secondarySsrc){encParam.rtx={ssrc:secondarySsrc};}
+encodingParameters.push(encParam);if(hasRed){encParam=JSON.parse(JSON.stringify(encParam));encParam.fec={ssrc:primarySsrc,mechanism:hasUlpfec?'red+ulpfec':'red'};encodingParameters.push(encParam);}}});if(encodingParameters.length===0&&primarySsrc){encodingParameters.push({ssrc:primarySsrc});}
+var bandwidth=SDPUtils.matchPrefix(mediaSection,'b=');if(bandwidth.length){if(bandwidth[0].indexOf('b=TIAS:')===0){bandwidth=parseInt(bandwidth[0].substr(7),10);}else if(bandwidth[0].indexOf('b=AS:')===0){bandwidth=parseInt(bandwidth[0].substr(5),10)*1000*0.95
+-(50*40*8);}else{bandwidth=undefined;}
+encodingParameters.forEach(function(params){params.maxBitrate=bandwidth;});}
+return encodingParameters;};SDPUtils.parseRtcpParameters=function(mediaSection){var rtcpParameters={};var remoteSsrc=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(obj){return obj.attribute==='cname';})[0];if(remoteSsrc){rtcpParameters.cname=remoteSsrc.value;rtcpParameters.ssrc=remoteSsrc.ssrc;}
+var rsize=SDPUtils.matchPrefix(mediaSection,'a=rtcp-rsize');rtcpParameters.reducedSize=rsize.length>0;rtcpParameters.compound=rsize.length===0;var mux=SDPUtils.matchPrefix(mediaSection,'a=rtcp-mux');rtcpParameters.mux=mux.length>0;return rtcpParameters;};SDPUtils.parseMsid=function(mediaSection){var parts;var spec=SDPUtils.matchPrefix(mediaSection,'a=msid:');if(spec.length===1){parts=spec[0].substr(7).split(' ');return{stream:parts[0],track:parts[1]};}
+var planB=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(msidParts){return msidParts.attribute==='msid';});if(planB.length>0){parts=planB[0].value.split(' ');return{stream:parts[0],track:parts[1]};}};SDPUtils.generateSessionId=function(){return Math.random().toString().substr(2,21);};SDPUtils.writeSessionBoilerplate=function(sessId,sessVer,sessUser){var sessionId;var version=sessVer!==undefined?sessVer:2;if(sessId){sessionId=sessId;}else{sessionId=SDPUtils.generateSessionId();}
+var user=sessUser||'thisisadapterortc';return'v=0\r\n'+'o='+user+' '+sessionId+' '+version+' IN IP4 127.0.0.1\r\n'+'s=-\r\n'+'t=0 0\r\n';};SDPUtils.writeMediaSection=function(transceiver,caps,type,stream){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters());sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),type==='offer'?'actpass':'active');sdp+='a=mid:'+transceiver.mid+'\r\n';if(transceiver.direction){sdp+='a='+transceiver.direction+'\r\n';}else if(transceiver.rtpSender&&transceiver.rtpReceiver){sdp+='a=sendrecv\r\n';}else if(transceiver.rtpSender){sdp+='a=sendonly\r\n';}else if(transceiver.rtpReceiver){sdp+='a=recvonly\r\n';}else{sdp+='a=inactive\r\n';}
+if(transceiver.rtpSender){var msid='msid:'+stream.id+' '+
+transceiver.rtpSender.track.id+'\r\n';sdp+='a='+msid;sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' '+msid;if(transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' '+msid;sdp+='a=ssrc-group:FID '+
+transceiver.sendEncodingParameters[0].ssrc+' '+
+transceiver.sendEncodingParameters[0].rtx.ssrc+'\r\n';}}
+sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' cname:'+SDPUtils.localCName+'\r\n';if(transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' cname:'+SDPUtils.localCName+'\r\n';}
+return sdp;};SDPUtils.getDirection=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);for(var i=0;i