From d5b44cc12ddcc05396b8c0675828c5e134adbbd7 Mon Sep 17 00:00:00 2001
From: Anthony Minessale <anthm@freeswitch.org>
Date: Tue, 2 May 2017 16:07:44 -0500
Subject: [PATCH] FS-9242: [verto.js] Update WebRTC code in verto to match
latest spec -- update to latest
---
html5/verto/js/src/vendor/adapter-latest.js | 3846 +------------------
1 file changed, 4 insertions(+), 3842 deletions(-)
diff --git a/html5/verto/js/src/vendor/adapter-latest.js b/html5/verto/js/src/vendor/adapter-latest.js
index e390add1da..32eaa6e530 100644
--- a/html5/verto/js/src/vendor/adapter-latest.js
+++ b/html5/verto/js/src/vendor/adapter-latest.js
@@ -1,3842 +1,4 @@
-/*! adapterjs - v0.13.3 - 2016-08-03 */
-
-// Adapter's interface.
-var AdapterJS = AdapterJS || {};
-
-// Browserify compatibility
-if(typeof exports !== 'undefined') {
- module.exports = AdapterJS;
-}
-
-AdapterJS.options = AdapterJS.options || {};
-
-// uncomment to get virtual webcams
-// AdapterJS.options.getAllCams = true;
-
-// uncomment to prevent the install prompt when the plugin in not yet installed
-// AdapterJS.options.hidePluginInstallPrompt = true;
-
-// AdapterJS version
-AdapterJS.VERSION = '0.13.3';
-
-// This function will be called when the WebRTC API is ready to be used
-// Whether it is the native implementation (Chrome, Firefox, Opera) or
-// the plugin
-// You may Override this function to synchronise the start of your application
-// with the WebRTC API being ready.
-// If you decide not to override use this synchronisation, it may result in
-// an extensive CPU usage on the plugin start (once per tab loaded)
-// Params:
-// - isUsingPlugin: true is the WebRTC plugin is being used, false otherwise
-//
-AdapterJS.onwebrtcready = AdapterJS.onwebrtcready || function(isUsingPlugin) {
- // The WebRTC API is ready.
- // Override me and do whatever you want here
-};
-
-// New interface to store multiple callbacks, private
-AdapterJS._onwebrtcreadies = [];
-
-// Sets a callback function to be called when the WebRTC interface is ready.
-// The first argument is the function to callback.\
-// Throws an error if the first argument is not a function
-AdapterJS.webRTCReady = function (callback) {
- if (typeof callback !== 'function') {
- throw new Error('Callback provided is not a function');
- }
-
- if (true === AdapterJS.onwebrtcreadyDone) {
- // All WebRTC interfaces are ready, just call the callback
- callback(null !== AdapterJS.WebRTCPlugin.plugin);
- } else {
- // will be triggered automatically when your browser/plugin is ready.
- AdapterJS._onwebrtcreadies.push(callback);
- }
-};
-
-// Plugin namespace
-AdapterJS.WebRTCPlugin = AdapterJS.WebRTCPlugin || {};
-
-// The object to store plugin information
-/* jshint ignore:start */
-AdapterJS.WebRTCPlugin.pluginInfo = {
- prefix : 'Tem',
- plugName : 'TemWebRTCPlugin',
- pluginId : 'plugin0',
- type : 'application/x-temwebrtcplugin',
- onload : '__TemWebRTCReady0',
- portalLink : 'http://skylink.io/plugin/',
- downloadLink : null, //set below
- companyName: 'Temasys'
-};
-if(!!navigator.platform.match(/^Mac/i)) {
- AdapterJS.WebRTCPlugin.pluginInfo.downloadLink = 'http://bit.ly/1n77hco';
-}
-else if(!!navigator.platform.match(/^Win/i)) {
- AdapterJS.WebRTCPlugin.pluginInfo.downloadLink = 'http://bit.ly/1kkS4FN';
-}
-/* jshint ignore:end */
-
-AdapterJS.WebRTCPlugin.TAGS = {
- NONE : 'none',
- AUDIO : 'audio',
- VIDEO : 'video'
-};
-
-// Unique identifier of each opened page
-AdapterJS.WebRTCPlugin.pageId = Math.random().toString(36).slice(2);
-
-// Use this whenever you want to call the plugin.
-AdapterJS.WebRTCPlugin.plugin = null;
-
-// Set log level for the plugin once it is ready.
-// The different values are
-// This is an asynchronous function that will run when the plugin is ready
-AdapterJS.WebRTCPlugin.setLogLevel = null;
-
-// Defines webrtc's JS interface according to the plugin's implementation.
-// Define plugin Browsers as WebRTC Interface.
-AdapterJS.WebRTCPlugin.defineWebRTCInterface = null;
-
-// This function detects whether or not a plugin is installed.
-// Checks if Not IE (firefox, for example), else if it's IE,
-// we're running IE and do something. If not it is not supported.
-AdapterJS.WebRTCPlugin.isPluginInstalled = null;
-
- // Lets adapter.js wait until the the document is ready before injecting the plugin
-AdapterJS.WebRTCPlugin.pluginInjectionInterval = null;
-
-// Inject the HTML DOM object element into the page.
-AdapterJS.WebRTCPlugin.injectPlugin = null;
-
-// States of readiness that the plugin goes through when
-// being injected and stated
-AdapterJS.WebRTCPlugin.PLUGIN_STATES = {
- NONE : 0, // no plugin use
- INITIALIZING : 1, // Detected need for plugin
- INJECTING : 2, // Injecting plugin
- INJECTED: 3, // Plugin element injected but not usable yet
- READY: 4 // Plugin ready to be used
-};
-
-// Current state of the plugin. You cannot use the plugin before this is
-// equal to AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY
-AdapterJS.WebRTCPlugin.pluginState = AdapterJS.WebRTCPlugin.PLUGIN_STATES.NONE;
-
-// True is AdapterJS.onwebrtcready was already called, false otherwise
-// Used to make sure AdapterJS.onwebrtcready is only called once
-AdapterJS.onwebrtcreadyDone = false;
-
-// Log levels for the plugin.
-// To be set by calling AdapterJS.WebRTCPlugin.setLogLevel
-/*
-Log outputs are prefixed in some cases.
- INFO: Information reported by the plugin.
- ERROR: Errors originating from within the plugin.
- WEBRTC: Error originating from within the libWebRTC library
-*/
-// From the least verbose to the most verbose
-AdapterJS.WebRTCPlugin.PLUGIN_LOG_LEVELS = {
- NONE : 'NONE',
- ERROR : 'ERROR',
- WARNING : 'WARNING',
- INFO: 'INFO',
- VERBOSE: 'VERBOSE',
- SENSITIVE: 'SENSITIVE'
-};
-
-// Does a waiting check before proceeding to load the plugin.
-AdapterJS.WebRTCPlugin.WaitForPluginReady = null;
-
-// This methid will use an interval to wait for the plugin to be ready.
-AdapterJS.WebRTCPlugin.callWhenPluginReady = null;
-
-// !!!! WARNING: DO NOT OVERRIDE THIS FUNCTION. !!!
-// This function will be called when plugin is ready. It sends necessary
-// details to the plugin.
-// The function will wait for the document to be ready and the set the
-// plugin state to AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY,
-// indicating that it can start being requested.
-// This function is not in the IE/Safari condition brackets so that
-// TemPluginLoaded function might be called on Chrome/Firefox.
-// This function is the only private function that is not encapsulated to
-// allow the plugin method to be called.
-__TemWebRTCReady0 = function () {
- if (document.readyState === 'complete') {
- AdapterJS.WebRTCPlugin.pluginState = AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY;
- AdapterJS.maybeThroughWebRTCReady();
- } else {
- var timer = setInterval(function () {
- if (document.readyState === 'complete') {
- // TODO: update comments, we wait for the document to be ready
- clearInterval(timer);
- AdapterJS.WebRTCPlugin.pluginState = AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY;
- AdapterJS.maybeThroughWebRTCReady();
- }
- }, 100);
- }
-};
-
-AdapterJS.maybeThroughWebRTCReady = function() {
- if (!AdapterJS.onwebrtcreadyDone) {
- AdapterJS.onwebrtcreadyDone = true;
-
- // If new interface for multiple callbacks used
- if (AdapterJS._onwebrtcreadies.length) {
- AdapterJS._onwebrtcreadies.forEach(function (callback) {
- if (typeof(callback) === 'function') {
- callback(AdapterJS.WebRTCPlugin.plugin !== null);
- }
- });
- // Else if no callbacks on new interface assuming user used old(deprecated) way to set callback through AdapterJS.onwebrtcready = ...
- } else if (typeof(AdapterJS.onwebrtcready) === 'function') {
- AdapterJS.onwebrtcready(AdapterJS.WebRTCPlugin.plugin !== null);
- }
- }
-};
-
-// Text namespace
-AdapterJS.TEXT = {
- PLUGIN: {
- REQUIRE_INSTALLATION: 'This website requires you to install a WebRTC-enabling plugin ' +
- 'to work on this browser.',
- NOT_SUPPORTED: 'Your browser does not support WebRTC.',
- BUTTON: 'Install Now'
- },
- REFRESH: {
- REQUIRE_REFRESH: 'Please refresh page',
- BUTTON: 'Refresh Page'
- }
-};
-
-// The result of ice connection states.
-// - starting: Ice connection is starting.
-// - checking: Ice connection is checking.
-// - connected Ice connection is connected.
-// - completed Ice connection is connected.
-// - done Ice connection has been completed.
-// - disconnected Ice connection has been disconnected.
-// - failed Ice connection has failed.
-// - closed Ice connection is closed.
-AdapterJS._iceConnectionStates = {
- starting : 'starting',
- checking : 'checking',
- connected : 'connected',
- completed : 'connected',
- done : 'completed',
- disconnected : 'disconnected',
- failed : 'failed',
- closed : 'closed'
-};
-
-//The IceConnection states that has been fired for each peer.
-AdapterJS._iceConnectionFiredStates = [];
-
-
-// Check if WebRTC Interface is defined.
-AdapterJS.isDefined = null;
-
-// This function helps to retrieve the webrtc detected browser information.
-// This sets:
-// - webrtcDetectedBrowser: The browser agent name.
-// - webrtcDetectedVersion: The browser version.
-// - webrtcMinimumVersion: The minimum browser version still supported by AJS.
-// - webrtcDetectedType: The types of webRTC support.
-// - 'moz': Mozilla implementation of webRTC.
-// - 'webkit': WebKit implementation of webRTC.
-// - 'plugin': Using the plugin implementation.
-AdapterJS.parseWebrtcDetectedBrowser = function () {
- var hasMatch = null;
- if ((!!window.opr && !!opr.addons) ||
- !!window.opera ||
- navigator.userAgent.indexOf(' OPR/') >= 0) {
- // Opera 8.0+
- webrtcDetectedBrowser = 'opera';
- webrtcDetectedType = 'webkit';
- webrtcMinimumVersion = 26;
- hasMatch = /OPR\/(\d+)/i.exec(navigator.userAgent) || [];
- webrtcDetectedVersion = parseInt(hasMatch[1], 10);
- } else if (typeof InstallTrigger !== 'undefined') {
- // Firefox 1.0+
- // Bowser and Version set in Google's adapter
- webrtcDetectedType = 'moz';
- } else if (Object.prototype.toString.call(window.HTMLElement).indexOf('Constructor') > 0) {
- // Safari
- webrtcDetectedBrowser = 'safari';
- webrtcDetectedType = 'plugin';
- webrtcMinimumVersion = 7;
- hasMatch = /version\/(\d+)/i.exec(navigator.userAgent) || [];
- webrtcDetectedVersion = parseInt(hasMatch[1], 10);
- } else if (/*@cc_on!@*/false || !!document.documentMode) {
- // Internet Explorer 6-11
- webrtcDetectedBrowser = 'IE';
- webrtcDetectedType = 'plugin';
- webrtcMinimumVersion = 9;
- hasMatch = /\brv[ :]+(\d+)/g.exec(navigator.userAgent) || [];
- webrtcDetectedVersion = parseInt(hasMatch[1] || '0', 10);
- if (!webrtcDetectedVersion) {
- hasMatch = /\bMSIE[ :]+(\d+)/g.exec(navigator.userAgent) || [];
- webrtcDetectedVersion = parseInt(hasMatch[1] || '0', 10);
- }
- } else if (!!window.StyleMedia) {
- // Edge 20+
- // Bowser and Version set in Google's adapter
- webrtcDetectedType = '';
- } else if (!!window.chrome && !!window.chrome.webstore) {
- // Chrome 1+
- // Bowser and Version set in Google's adapter
- webrtcDetectedType = 'webkit';
- } else if ((webrtcDetectedBrowser === 'chrome'|| webrtcDetectedBrowser === 'opera') &&
- !!window.CSS) {
- // Blink engine detection
- webrtcDetectedBrowser = 'blink';
- // TODO: detected WebRTC version
- }
-
- window.webrtcDetectedBrowser = webrtcDetectedBrowser;
- window.webrtcDetectedVersion = webrtcDetectedVersion;
- window.webrtcMinimumVersion = webrtcMinimumVersion;
-};
-
-AdapterJS.addEvent = function(elem, evnt, func) {
- if (elem.addEventListener) { // W3C DOM
- elem.addEventListener(evnt, func, false);
- } else if (elem.attachEvent) {// OLD IE DOM
- elem.attachEvent('on'+evnt, func);
- } else { // No much to do
- elem[evnt] = func;
- }
-};
-
-AdapterJS.renderNotificationBar = function (text, buttonText, buttonLink, openNewTab, displayRefreshBar) {
- // only inject once the page is ready
- if (document.readyState !== 'complete') {
- return;
- }
-
- var w = window;
- var i = document.createElement('iframe');
- i.name = 'adapterjs-alert';
- i.style.position = 'fixed';
- i.style.top = '-41px';
- i.style.left = 0;
- i.style.right = 0;
- i.style.width = '100%';
- i.style.height = '40px';
- i.style.backgroundColor = '#ffffe1';
- i.style.border = 'none';
- i.style.borderBottom = '1px solid #888888';
- i.style.zIndex = '9999999';
- if(typeof i.style.webkitTransition === 'string') {
- i.style.webkitTransition = 'all .5s ease-out';
- } else if(typeof i.style.transition === 'string') {
- i.style.transition = 'all .5s ease-out';
- }
- document.body.appendChild(i);
- var c = (i.contentWindow) ? i.contentWindow :
- (i.contentDocument.document) ? i.contentDocument.document : i.contentDocument;
- c.document.open();
- c.document.write('<span style="display: inline-block; font-family: Helvetica, Arial,' +
- 'sans-serif; font-size: .9rem; padding: 4px; vertical-align: ' +
- 'middle; cursor: default;">' + text + '</span>');
- if(buttonText && buttonLink) {
- c.document.write('<button id="okay">' + buttonText + '</button><button id="cancel">Cancel</button>');
- c.document.close();
-
- // On click on okay
- AdapterJS.addEvent(c.document.getElementById('okay'), 'click', function(e) {
- if (!!displayRefreshBar) {
- AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION ?
- AdapterJS.TEXT.EXTENSION.REQUIRE_REFRESH : AdapterJS.TEXT.REFRESH.REQUIRE_REFRESH,
- AdapterJS.TEXT.REFRESH.BUTTON, 'javascript:location.reload()'); // jshint ignore:line
- }
- window.open(buttonLink, !!openNewTab ? '_blank' : '_top');
-
- e.preventDefault();
- try {
- e.cancelBubble = true;
- } catch(error) { }
-
- var pluginInstallInterval = setInterval(function(){
- if(! isIE) {
- navigator.plugins.refresh(false);
- }
- AdapterJS.WebRTCPlugin.isPluginInstalled(
- AdapterJS.WebRTCPlugin.pluginInfo.prefix,
- AdapterJS.WebRTCPlugin.pluginInfo.plugName,
- function() { // plugin now installed
- clearInterval(pluginInstallInterval);
- AdapterJS.WebRTCPlugin.defineWebRTCInterface();
- },
- function() {
- // still no plugin detected, nothing to do
- });
- } , 500);
- });
-
- // On click on Cancel
- AdapterJS.addEvent(c.document.getElementById('cancel'), 'click', function(e) {
- w.document.body.removeChild(i);
- });
- } else {
- c.document.close();
- }
- setTimeout(function() {
- if(typeof i.style.webkitTransform === 'string') {
- i.style.webkitTransform = 'translateY(40px)';
- } else if(typeof i.style.transform === 'string') {
- i.style.transform = 'translateY(40px)';
- } else {
- i.style.top = '0px';
- }
- }, 300);
-};
-
-// -----------------------------------------------------------
-// Detected webrtc implementation. Types are:
-// - 'moz': Mozilla implementation of webRTC.
-// - 'webkit': WebKit implementation of webRTC.
-// - 'plugin': Using the plugin implementation.
-webrtcDetectedType = null;
-
-// Set the settings for creating DataChannels, MediaStream for
-// Cross-browser compability.
-// - This is only for SCTP based support browsers.
-// the 'urls' attribute.
-checkMediaDataChannelSettings =
- function (peerBrowserAgent, peerBrowserVersion, callback, constraints) {
- if (typeof callback !== 'function') {
- return;
- }
- var beOfferer = true;
- var isLocalFirefox = webrtcDetectedBrowser === 'firefox';
- // Nightly version does not require MozDontOfferDataChannel for interop
- var isLocalFirefoxInterop = webrtcDetectedType === 'moz' && webrtcDetectedVersion > 30;
- var isPeerFirefox = peerBrowserAgent === 'firefox';
- var isPeerFirefoxInterop = peerBrowserAgent === 'firefox' &&
- ((peerBrowserVersion) ? (peerBrowserVersion > 30) : false);
-
- // Resends an updated version of constraints for MozDataChannel to work
- // If other userAgent is firefox and user is firefox, remove MozDataChannel
- if ((isLocalFirefox && isPeerFirefox) || (isLocalFirefoxInterop)) {
- try {
- delete constraints.mandatory.MozDontOfferDataChannel;
- } catch (error) {
- console.error('Failed deleting MozDontOfferDataChannel');
- console.error(error);
- }
- } else if ((isLocalFirefox && !isPeerFirefox)) {
- constraints.mandatory.MozDontOfferDataChannel = true;
- }
- if (!isLocalFirefox) {
- // temporary measure to remove Moz* constraints in non Firefox browsers
- for (var prop in constraints.mandatory) {
- if (constraints.mandatory.hasOwnProperty(prop)) {
- if (prop.indexOf('Moz') !== -1) {
- delete constraints.mandatory[prop];
- }
- }
- }
- }
- // Firefox (not interopable) cannot offer DataChannel as it will cause problems to the
- // interopability of the media stream
- if (isLocalFirefox && !isPeerFirefox && !isLocalFirefoxInterop) {
- beOfferer = false;
- }
- callback(beOfferer, constraints);
-};
-
-// Handles the differences for all browsers ice connection state output.
-// - Tested outcomes are:
-// - Chrome (offerer) : 'checking' > 'completed' > 'completed'
-// - Chrome (answerer) : 'checking' > 'connected'
-// - Firefox (offerer) : 'checking' > 'connected'
-// - Firefox (answerer): 'checking' > 'connected'
-checkIceConnectionState = function (peerId, iceConnectionState, callback) {
- if (typeof callback !== 'function') {
- console.warn('No callback specified in checkIceConnectionState. Aborted.');
- return;
- }
- peerId = (peerId) ? peerId : 'peer';
-
- if (!AdapterJS._iceConnectionFiredStates[peerId] ||
- iceConnectionState === AdapterJS._iceConnectionStates.disconnected ||
- iceConnectionState === AdapterJS._iceConnectionStates.failed ||
- iceConnectionState === AdapterJS._iceConnectionStates.closed) {
- AdapterJS._iceConnectionFiredStates[peerId] = [];
- }
- iceConnectionState = AdapterJS._iceConnectionStates[iceConnectionState];
- if (AdapterJS._iceConnectionFiredStates[peerId].indexOf(iceConnectionState) < 0) {
- AdapterJS._iceConnectionFiredStates[peerId].push(iceConnectionState);
- if (iceConnectionState === AdapterJS._iceConnectionStates.connected) {
- setTimeout(function () {
- AdapterJS._iceConnectionFiredStates[peerId]
- .push(AdapterJS._iceConnectionStates.done);
- callback(AdapterJS._iceConnectionStates.done);
- }, 1000);
- }
- callback(iceConnectionState);
- }
- return;
-};
-
-// Firefox:
-// - Creates iceServer from the url for Firefox.
-// - Create iceServer with stun url.
-// - Create iceServer with turn url.
-// - Ignore the transport parameter from TURN url for FF version <=27.
-// - Return null for createIceServer if transport=tcp.
-// - FF 27 and above supports transport parameters in TURN url,
-// - So passing in the full url to create iceServer.
-// Chrome:
-// - Creates iceServer from the url for Chrome M33 and earlier.
-// - Create iceServer with stun url.
-// - Chrome M28 & above uses below TURN format.
-// Plugin:
-// - Creates Ice Server for Plugin Browsers
-// - If Stun - Create iceServer with stun url.
-// - Else - Create iceServer with turn url
-// - This is a WebRTC Function
-createIceServer = null;
-
-// Firefox:
-// - Creates IceServers for Firefox
-// - Use .url for FireFox.
-// - Multiple Urls support
-// Chrome:
-// - Creates iceServers from the urls for Chrome M34 and above.
-// - .urls is supported since Chrome M34.
-// - Multiple Urls support
-// Plugin:
-// - Creates Ice Servers for Plugin Browsers
-// - Multiple Urls support
-// - This is a WebRTC Function
-createIceServers = null;
-//------------------------------------------------------------
-
-//The RTCPeerConnection object.
-RTCPeerConnection = null;
-
-// Creates RTCSessionDescription object for Plugin Browsers
-RTCSessionDescription = (typeof RTCSessionDescription === 'function') ?
- RTCSessionDescription : null;
-
-// Creates RTCIceCandidate object for Plugin Browsers
-RTCIceCandidate = (typeof RTCIceCandidate === 'function') ?
- RTCIceCandidate : null;
-
-// Get UserMedia (only difference is the prefix).
-// Code from Adam Barth.
-getUserMedia = null;
-
-// Attach a media stream to an element.
-attachMediaStream = null;
-
-// Re-attach a media stream to an element.
-reattachMediaStream = null;
-
-
-// Detected browser agent name. Types are:
-// - 'firefox': Firefox browser.
-// - 'chrome': Chrome browser.
-// - 'opera': Opera browser.
-// - 'safari': Safari browser.
-// - 'IE' - Internet Explorer browser.
-webrtcDetectedBrowser = null;
-
-// Detected browser version.
-webrtcDetectedVersion = null;
-
-// The minimum browser version still supported by AJS.
-webrtcMinimumVersion = null;
-
-// Check for browser types and react accordingly
-if ( navigator.mozGetUserMedia ||
- navigator.webkitGetUserMedia ||
- (navigator.mediaDevices &&
- navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) ) {
-
- ///////////////////////////////////////////////////////////////////
- // INJECTION OF GOOGLE'S ADAPTER.JS CONTENT
-
-/* jshint ignore:start */
- (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.adapter = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[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: parts[1],
- 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;
- default: // Unknown extensions are silently ignored.
- 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);
- }
- return 'candidate:' + sdp.join(' ');
- };
-
- // 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
- SDPUtils.parseExtmap = function(line) {
- var parts = line.substr(9).split(' ');
- return {
- id: parseInt(parts[0], 10),
- uri: parts[1]
- };
- };
-
- // Generates a=extmap line from RTCRtpHeaderExtensionParameters or
- // RTCRtpHeaderExtension.
- SDPUtils.writeExtmap = function(headerExtension) {
- return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +
- ' ' + 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 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.splitLines(mediaSection);
- // Search in session part, too.
- lines = lines.concat(SDPUtils.splitLines(sessionpart));
- var fpLine = lines.filter(function(line) {
- return line.indexOf('a=fingerprint:') === 0;
- })[0].substr(14);
- // Note: a=setup line is ignored since we use the 'auto' role.
- var dtlsParameters = {
- role: 'auto',
- fingerprints: [{
- algorithm: fpLine.split(' ')[0],
- value: fpLine.split(' ')[1]
- }]
- };
- return dtlsParameters;
- };
-
- // 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:<pt> 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);
- });
- // FIXME: add headerExtensions, fecMechanismş and rtcp.
- sdp += 'a=rtcp-mux\r\n';
- 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: {
- payloadType: codec.payloadType,
- 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) {
- bandwidth = parseInt(bandwidth[0].substr(5), 10);
- }
- encodingParameters.forEach(function(params) {
- params.maxBitrate = bandwidth;
- });
- }
- return encodingParameters;
- };
-
- SDPUtils.writeSessionBoilerplate = function() {
- // FIXME: sess-id should be an NTP timestamp.
- return 'v=0\r\n' +
- 'o=thisisadapterortc 8169639915646943137 2 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.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';
- }
-
- // FIXME: for RTX there might be multiple SSRCs. Not implemented in Edge yet.
- 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;
- }
- // FIXME: this should be written by writeRtpDescription.
- sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].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';
- };
-
- // Expose public methods.
- module.exports = SDPUtils;
-
- },{}],2:[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';
-
- // Shimming starts here.
- (function() {
- // Utils.
- var logging = require('./utils').log;
- var browserDetails = require('./utils').browserDetails;
- // Export to the adapter global object visible in the browser.
- module.exports.browserDetails = browserDetails;
- module.exports.extractVersion = require('./utils').extractVersion;
- module.exports.disableLog = require('./utils').disableLog;
-
- // 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;
-
- // Shim browser if found.
- switch (browserDetails.browser) {
- case 'opera': // fallthrough as it uses chrome shims
- case 'chrome':
- if (!chromeShim || !chromeShim.shimPeerConnection) {
- logging('Chrome shim is not included in this adapter release.');
- return;
- }
- logging('adapter.js shimming chrome.');
- // Export to the adapter global object visible in the browser.
- module.exports.browserShim = chromeShim;
-
- chromeShim.shimGetUserMedia();
- chromeShim.shimMediaStream();
- chromeShim.shimSourceObject();
- chromeShim.shimPeerConnection();
- chromeShim.shimOnTrack();
- break;
- case 'firefox':
- if (!firefoxShim || !firefoxShim.shimPeerConnection) {
- logging('Firefox shim is not included in this adapter release.');
- return;
- }
- logging('adapter.js shimming firefox.');
- // Export to the adapter global object visible in the browser.
- module.exports.browserShim = firefoxShim;
-
- firefoxShim.shimGetUserMedia();
- firefoxShim.shimSourceObject();
- firefoxShim.shimPeerConnection();
- firefoxShim.shimOnTrack();
- break;
- case 'edge':
- if (!edgeShim || !edgeShim.shimPeerConnection) {
- logging('MS edge shim is not included in this adapter release.');
- return;
- }
- logging('adapter.js shimming edge.');
- // Export to the adapter global object visible in the browser.
- module.exports.browserShim = edgeShim;
-
- edgeShim.shimGetUserMedia();
- edgeShim.shimPeerConnection();
- break;
- case 'safari':
- if (!safariShim) {
- logging('Safari shim is not included in this adapter release.');
- return;
- }
- logging('adapter.js shimming safari.');
- // Export to the adapter global object visible in the browser.
- module.exports.browserShim = safariShim;
-
- safariShim.shimGetUserMedia();
- break;
- default:
- logging('Unsupported browser!');
- }
- })();
-
- },{"./chrome/chrome_shim":3,"./edge/edge_shim":5,"./firefox/firefox_shim":7,"./safari/safari_shim":9,"./utils":10}],3:[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 logging = require('../utils.js').log;
- var browserDetails = require('../utils.js').browserDetails;
-
- var chromeShim = {
- shimMediaStream: function() {
- window.MediaStream = window.MediaStream || window.webkitMediaStream;
- },
-
- shimOnTrack: function() {
- 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) {
- var self = this;
- 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) {
- // 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 event = new Event('track');
- event.track = te.track;
- event.receiver = {track: te.track};
- event.streams = [e.stream];
- self.dispatchEvent(event);
- });
- e.stream.getTracks().forEach(function(track) {
- var event = new Event('track');
- event.track = track;
- event.receiver = {track: track};
- event.streams = [e.stream];
- this.dispatchEvent(event);
- }.bind(this));
- }.bind(this));
- }
- });
- }
- },
-
- shimSourceObject: function() {
- 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;
- }
- 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);
- });
- }
- });
- }
- }
- },
-
- shimPeerConnection: function() {
- // The RTCPeerConnection object.
- window.RTCPeerConnection = function(pcConfig, pcConstraints) {
- // Translate iceTransportPolicy to iceTransports,
- // see https://code.google.com/p/webrtc/issues/detail?id=4869
- logging('PeerConnection');
- if (pcConfig && pcConfig.iceTransportPolicy) {
- pcConfig.iceTransports = pcConfig.iceTransportPolicy;
- }
-
- var pc = new webkitRTCPeerConnection(pcConfig, pcConstraints);
- var origGetStats = pc.getStats.bind(pc);
- pc.getStats = function(selector, successCallback, errorCallback) {
- var self = 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(selector, successCallback);
- }
-
- var fixChromeStats_ = function(response) {
- var standardReport = {};
- var reports = response.result();
- reports.forEach(function(report) {
- var standardStats = {
- id: report.id,
- timestamp: report.timestamp,
- 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, legacyStats) {
- var map = new Map(Object.keys(stats).map(function(key) {
- return[key, stats[key]];
- }));
- legacyStats = legacyStats || stats;
- Object.keys(legacyStats).forEach(function(key) {
- map[key] = legacyStats[key];
- });
- return map;
- };
-
- 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) {
- if (args.length === 1 && typeof selector === 'object') {
- origGetStats.apply(self, [
- function(response) {
- resolve(makeMapStats(fixChromeStats_(response)));
- }, reject]);
- } else {
- // Preserve legacy chrome stats only on legacy access of stats obj
- origGetStats.apply(self, [
- function(response) {
- resolve(makeMapStats(fixChromeStats_(response),
- response.result()));
- }, reject]);
- }
- }).then(successCallback, errorCallback);
- };
-
- return pc;
- };
- window.RTCPeerConnection.prototype = webkitRTCPeerConnection.prototype;
-
- // wrap static methods. Currently just generateCertificate.
- if (webkitRTCPeerConnection.generateCertificate) {
- Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
- get: function() {
- return webkitRTCPeerConnection.generateCertificate;
- }
- });
- }
-
- ['createOffer', 'createAnswer'].forEach(function(method) {
- var nativeMethod = webkitRTCPeerConnection.prototype[method];
- webkitRTCPeerConnection.prototype[method] = function() {
- var self = 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(self, [resolve, reject, opts]);
- });
- }
- return nativeMethod.apply(this, arguments);
- };
- });
-
- // add promise support -- natively available in Chrome 51
- if (browserDetails.version < 51) {
- ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
- .forEach(function(method) {
- var nativeMethod = webkitRTCPeerConnection.prototype[method];
- webkitRTCPeerConnection.prototype[method] = function() {
- var args = arguments;
- var self = this;
- var promise = new Promise(function(resolve, reject) {
- nativeMethod.apply(self, [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]);
- }
- });
- };
- });
- }
-
- // shim implicit creation of RTCSessionDescription/RTCIceCandidate
- ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
- .forEach(function(method) {
- var nativeMethod = webkitRTCPeerConnection.prototype[method];
- webkitRTCPeerConnection.prototype[method] = function() {
- arguments[0] = new ((method === 'addIceCandidate') ?
- RTCIceCandidate : RTCSessionDescription)(arguments[0]);
- return nativeMethod.apply(this, arguments);
- };
- });
-
- // support for addIceCandidate(null)
- var nativeAddIceCandidate =
- RTCPeerConnection.prototype.addIceCandidate;
- RTCPeerConnection.prototype.addIceCandidate = function() {
- return arguments[0] === null ? Promise.resolve()
- : nativeAddIceCandidate.apply(this, arguments);
- };
- }
- };
-
-
- // Expose public methods.
- module.exports = {
- shimMediaStream: chromeShim.shimMediaStream,
- shimOnTrack: chromeShim.shimOnTrack,
- shimSourceObject: chromeShim.shimSourceObject,
- shimPeerConnection: chromeShim.shimPeerConnection,
- shimGetUserMedia: require('./getusermedia')
- };
-
- },{"../utils.js":10,"./getusermedia":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 logging = require('../utils.js').log;
-
- // Expose public methods.
- module.exports = function() {
- 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) {
- constraints = JSON.parse(JSON.stringify(constraints));
- if (constraints && constraints.audio) {
- constraints.audio = constraintsToChrome_(constraints.audio);
- }
- if (constraints && typeof constraints.video === 'object') {
- // Shim facingMode for mobile, where it defaults to "user".
- var face = constraints.video.facingMode;
- face = face && ((typeof face === 'object') ? face : {ideal: face});
-
- if ((face && (face.exact === 'user' || face.exact === 'environment' ||
- face.ideal === 'user' || face.ideal === 'environment')) &&
- !(navigator.mediaDevices.getSupportedConstraints &&
- navigator.mediaDevices.getSupportedConstraints().facingMode)) {
- delete constraints.video.facingMode;
- if (face.exact === 'environment' || face.ideal === 'environment') {
- // Look for "back" in label, or use last cam (typically back cam).
- return navigator.mediaDevices.enumerateDevices()
- .then(function(devices) {
- devices = devices.filter(function(d) {
- return d.kind === 'videoinput';
- });
- var back = devices.find(function(d) {
- return d.label.toLowerCase().indexOf('back') !== -1;
- }) || (devices.length && devices[devices.length - 1]);
- if (back) {
- constraints.video.deviceId = face.exact ? {exact: back.deviceId} :
- {ideal: back.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',
- ConstraintNotSatisfiedError: 'OverconstrainedError'
- }[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) {
- 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 MediaStreamTrack.getSources(function(devices) {
- resolve(devices.map(function(device) {
- return {label: device.label,
- kind: kinds[device.kind],
- deviceId: device.id,
- groupId: ''};
- }));
- });
- });
- }
- };
- }
-
- // 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).catch(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":10}],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 SDPUtils = require('sdp');
-
- var edgeShim = {
- shimPeerConnection: function() {
- 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;
- };
- }
- }
-
- window.RTCPeerConnection = function(config) {
- var self = this;
-
- var _eventTarget = document.createDocumentFragment();
- ['addEventListener', 'removeEventListener', 'dispatchEvent']
- .forEach(function(method) {
- self[method] = _eventTarget[method].bind(_eventTarget);
- });
-
- this.onicecandidate = null;
- this.onaddstream = null;
- this.ontrack = null;
- this.onremovestream = null;
- this.onsignalingstatechange = null;
- this.oniceconnectionstatechange = null;
- this.onnegotiationneeded = null;
- this.ondatachannel = null;
-
- this.localStreams = [];
- this.remoteStreams = [];
- this.getLocalStreams = function() {
- return self.localStreams;
- };
- this.getRemoteStreams = function() {
- return self.remoteStreams;
- };
-
- this.localDescription = new RTCSessionDescription({
- type: '',
- sdp: ''
- });
- this.remoteDescription = new RTCSessionDescription({
- type: '',
- sdp: ''
- });
- this.signalingState = 'stable';
- this.iceConnectionState = 'new';
- this.iceGatheringState = 'new';
-
- this.iceOptions = {
- gatherPolicy: 'all',
- iceServers: []
- };
- if (config && config.iceTransportPolicy) {
- switch (config.iceTransportPolicy) {
- case 'all':
- case 'relay':
- this.iceOptions.gatherPolicy = config.iceTransportPolicy;
- break;
- case 'none':
- // FIXME: remove once implementation and spec have added this.
- throw new TypeError('iceTransportPolicy "none" not supported');
- default:
- // don't set iceTransportPolicy.
- break;
- }
- }
- this.usingBundle = config && config.bundlePolicy === 'max-bundle';
-
- if (config && config.iceServers) {
- // Edge does not like
- // 1) stun:
- // 2) turn: that does not have all of turn:host:port?transport=udp
- // 3) turn: with ipv6 addresses
- var iceServers = JSON.parse(JSON.stringify(config.iceServers));
- this.iceOptions.iceServers = iceServers.filter(function(server) {
- if (server && server.urls) {
- var urls = server.urls;
- if (typeof urls === 'string') {
- urls = [urls];
- }
- urls = urls.filter(function(url) {
- return url.indexOf('turn:') === 0 &&
- url.indexOf('transport=udp') !== -1 &&
- url.indexOf('turn:[') === -1;
- })[0];
- return !!urls;
- }
- return false;
- });
- }
-
- // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...
- // everything that is needed to describe a SDP m-line.
- this.transceivers = [];
-
- // since the iceGatherer is currently created in createOffer but we
- // must not emit candidates until after setLocalDescription we buffer
- // them in this array.
- this._localIceCandidatesBuffer = [];
- };
-
- window.RTCPeerConnection.prototype._emitBufferedCandidates = function() {
- var self = this;
- var sections = SDPUtils.splitSections(self.localDescription.sdp);
- // FIXME: need to apply ice candidates in a way which is async but
- // in-order
- this._localIceCandidatesBuffer.forEach(function(event) {
- var end = !event.candidate || Object.keys(event.candidate).length === 0;
- if (end) {
- for (var j = 1; j < sections.length; j++) {
- if (sections[j].indexOf('\r\na=end-of-candidates\r\n') === -1) {
- sections[j] += 'a=end-of-candidates\r\n';
- }
- }
- } else if (event.candidate.candidate.indexOf('typ endOfCandidates')
- === -1) {
- sections[event.candidate.sdpMLineIndex + 1] +=
- 'a=' + event.candidate.candidate + '\r\n';
- }
- self.localDescription.sdp = sections.join('');
- self.dispatchEvent(event);
- if (self.onicecandidate !== null) {
- self.onicecandidate(event);
- }
- if (!event.candidate && self.iceGatheringState !== 'complete') {
- var complete = self.transceivers.every(function(transceiver) {
- return transceiver.iceGatherer &&
- transceiver.iceGatherer.state === 'completed';
- });
- if (complete) {
- self.iceGatheringState = 'complete';
- }
- }
- });
- this._localIceCandidatesBuffer = [];
- };
-
- window.RTCPeerConnection.prototype.addStream = function(stream) {
- // Clone is necessary for local demos mostly, attaching directly
- // to two different senders does not work (build 10547).
- this.localStreams.push(stream.clone());
- this._maybeFireNegotiationNeeded();
- };
-
- window.RTCPeerConnection.prototype.removeStream = function(stream) {
- var idx = this.localStreams.indexOf(stream);
- if (idx > -1) {
- this.localStreams.splice(idx, 1);
- this._maybeFireNegotiationNeeded();
- }
- };
-
- window.RTCPeerConnection.prototype.getSenders = function() {
- return this.transceivers.filter(function(transceiver) {
- return !!transceiver.rtpSender;
- })
- .map(function(transceiver) {
- return transceiver.rtpSender;
- });
- };
-
- window.RTCPeerConnection.prototype.getReceivers = function() {
- return this.transceivers.filter(function(transceiver) {
- return !!transceiver.rtpReceiver;
- })
- .map(function(transceiver) {
- return transceiver.rtpReceiver;
- });
- };
-
- // Determines the intersection of local and remote capabilities.
- window.RTCPeerConnection.prototype._getCommonCapabilities =
- function(localCapabilities, remoteCapabilities) {
- var commonCapabilities = {
- codecs: [],
- headerExtensions: [],
- fecMechanisms: []
- };
- 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 &&
- 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;
- };
-
- // Create ICE gatherer, ICE transport and DTLS transport.
- window.RTCPeerConnection.prototype._createIceAndDtlsTransports =
- function(mid, sdpMLineIndex) {
- var self = this;
- var iceGatherer = new RTCIceGatherer(self.iceOptions);
- var iceTransport = new RTCIceTransport(iceGatherer);
- iceGatherer.onlocalcandidate = function(evt) {
- var event = new Event('icecandidate');
- event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex};
-
- var cand = evt.candidate;
- var end = !cand || Object.keys(cand).length === 0;
- // Edge emits an empty object for RTCIceCandidateComplete‥
- if (end) {
- // polyfill since RTCIceGatherer.state is not implemented in
- // Edge 10547 yet.
- if (iceGatherer.state === undefined) {
- iceGatherer.state = 'completed';
- }
-
- // Emit a candidate with type endOfCandidates to make the samples
- // work. Edge requires addIceCandidate with this empty candidate
- // to start checking. The real solution is to signal
- // end-of-candidates to the other side when getting the null
- // candidate but some apps (like the samples) don't do that.
- event.candidate.candidate =
- 'candidate:1 1 udp 1 0.0.0.0 9 typ endOfCandidates';
- } else {
- // RTCIceCandidate doesn't have a component, needs to be added
- cand.component = iceTransport.component === 'RTCP' ? 2 : 1;
- event.candidate.candidate = SDPUtils.writeCandidate(cand);
- }
-
- // update local description.
- var sections = SDPUtils.splitSections(self.localDescription.sdp);
- if (event.candidate.candidate.indexOf('typ endOfCandidates')
- === -1) {
- sections[event.candidate.sdpMLineIndex + 1] +=
- 'a=' + event.candidate.candidate + '\r\n';
- } else {
- sections[event.candidate.sdpMLineIndex + 1] +=
- 'a=end-of-candidates\r\n';
- }
- self.localDescription.sdp = sections.join('');
-
- var complete = self.transceivers.every(function(transceiver) {
- return transceiver.iceGatherer &&
- transceiver.iceGatherer.state === 'completed';
- });
-
- // Emit candidate if localDescription is set.
- // Also emits null candidate when all gatherers are complete.
- switch (self.iceGatheringState) {
- case 'new':
- self._localIceCandidatesBuffer.push(event);
- if (end && complete) {
- self._localIceCandidatesBuffer.push(
- new Event('icecandidate'));
- }
- break;
- case 'gathering':
- self._emitBufferedCandidates();
- self.dispatchEvent(event);
- if (self.onicecandidate !== null) {
- self.onicecandidate(event);
- }
- if (complete) {
- self.dispatchEvent(new Event('icecandidate'));
- if (self.onicecandidate !== null) {
- self.onicecandidate(new Event('icecandidate'));
- }
- self.iceGatheringState = 'complete';
- }
- break;
- case 'complete':
- // should not happen... currently!
- break;
- default: // no-op.
- break;
- }
- };
- iceTransport.onicestatechange = function() {
- self._updateConnectionState();
- };
-
- var dtlsTransport = new RTCDtlsTransport(iceTransport);
- dtlsTransport.ondtlsstatechange = function() {
- self._updateConnectionState();
- };
- dtlsTransport.onerror = function() {
- // onerror does not set state to failed by itself.
- dtlsTransport.state = 'failed';
- self._updateConnectionState();
- };
-
- return {
- iceGatherer: iceGatherer,
- iceTransport: iceTransport,
- dtlsTransport: dtlsTransport
- };
- };
-
- // Start the RTP Sender and Receiver for a transceiver.
- window.RTCPeerConnection.prototype._transceive = function(transceiver,
- send, recv) {
- var params = this._getCommonCapabilities(transceiver.localCapabilities,
- transceiver.remoteCapabilities);
- if (send && transceiver.rtpSender) {
- params.encodings = transceiver.sendEncodingParameters;
- params.rtcp = {
- cname: SDPUtils.localCName
- };
- if (transceiver.recvEncodingParameters.length) {
- params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;
- }
- transceiver.rtpSender.send(params);
- }
- if (recv && transceiver.rtpReceiver) {
- params.encodings = transceiver.recvEncodingParameters;
- params.rtcp = {
- cname: transceiver.cname
- };
- if (transceiver.sendEncodingParameters.length) {
- params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;
- }
- transceiver.rtpReceiver.receive(params);
- }
- };
-
- window.RTCPeerConnection.prototype.setLocalDescription =
- function(description) {
- var self = this;
- var sections;
- var sessionpart;
- if (description.type === 'offer') {
- // FIXME: What was the purpose of this empty if statement?
- // if (!this._pendingOffer) {
- // } else {
- if (this._pendingOffer) {
- // 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);
- self._pendingOffer[sdpMLineIndex].localCapabilities = caps;
- });
- this.transceivers = this._pendingOffer;
- delete this._pendingOffer;
- }
- } else if (description.type === 'answer') {
- sections = SDPUtils.splitSections(self.remoteDescription.sdp);
- sessionpart = sections.shift();
- var isIceLite = SDPUtils.matchPrefix(sessionpart,
- 'a=ice-lite').length > 0;
- sections.forEach(function(mediaSection, sdpMLineIndex) {
- var transceiver = self.transceivers[sdpMLineIndex];
- var iceGatherer = transceiver.iceGatherer;
- var iceTransport = transceiver.iceTransport;
- var dtlsTransport = transceiver.dtlsTransport;
- var localCapabilities = transceiver.localCapabilities;
- var remoteCapabilities = transceiver.remoteCapabilities;
- var rejected = mediaSection.split('\n', 1)[0]
- .split(' ', 2)[1] === '0';
-
- if (!rejected) {
- var remoteIceParameters = SDPUtils.getIceParameters(
- mediaSection, sessionpart);
- if (isIceLite) {
- var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')
- .map(function(cand) {
- return SDPUtils.parseCandidate(cand);
- })
- .filter(function(cand) {
- return cand.component === '1';
- });
- // ice-lite only includes host candidates in the SDP so we can
- // use setRemoteCandidates (which implies an
- // RTCIceCandidateComplete)
- if (cands.length) {
- iceTransport.setRemoteCandidates(cands);
- }
- }
- var remoteDtlsParameters = SDPUtils.getDtlsParameters(
- mediaSection, sessionpart);
- if (isIceLite) {
- remoteDtlsParameters.role = 'server';
- }
-
- if (!self.usingBundle || sdpMLineIndex === 0) {
- iceTransport.start(iceGatherer, remoteIceParameters,
- isIceLite ? 'controlling' : 'controlled');
- dtlsTransport.start(remoteDtlsParameters);
- }
-
- // Calculate intersection of capabilities.
- var params = self._getCommonCapabilities(localCapabilities,
- remoteCapabilities);
-
- // Start the RTCRtpSender. The RTCRtpReceiver for this
- // transceiver has already been started in setRemoteDescription.
- self._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 +
- '"');
- }
-
- // If a success callback was provided, emit ICE candidates after it
- // has been executed. Otherwise, emit callback after the Promise is
- // resolved.
- var hasCallback = arguments.length > 1 &&
- typeof arguments[1] === 'function';
- if (hasCallback) {
- var cb = arguments[1];
- window.setTimeout(function() {
- cb();
- if (self.iceGatheringState === 'new') {
- self.iceGatheringState = 'gathering';
- }
- self._emitBufferedCandidates();
- }, 0);
- }
- var p = Promise.resolve();
- p.then(function() {
- if (!hasCallback) {
- if (self.iceGatheringState === 'new') {
- self.iceGatheringState = 'gathering';
- }
- // Usually candidates will be emitted earlier.
- window.setTimeout(self._emitBufferedCandidates.bind(self), 500);
- }
- });
- return p;
- };
-
- window.RTCPeerConnection.prototype.setRemoteDescription =
- function(description) {
- var self = this;
- var stream = new MediaStream();
- var receiverList = [];
- var sections = SDPUtils.splitSections(description.sdp);
- var sessionpart = sections.shift();
- var isIceLite = SDPUtils.matchPrefix(sessionpart,
- 'a=ice-lite').length > 0;
- this.usingBundle = SDPUtils.matchPrefix(sessionpart,
- 'a=group:BUNDLE ').length > 0;
- sections.forEach(function(mediaSection, sdpMLineIndex) {
- var lines = SDPUtils.splitLines(mediaSection);
- var mline = lines[0].substr(2).split(' ');
- var kind = mline[0];
- var rejected = mline[1] === '0';
- var direction = SDPUtils.getDirection(mediaSection, sessionpart);
-
- var transceiver;
- var iceGatherer;
- var iceTransport;
- var dtlsTransport;
- var rtpSender;
- 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 mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:');
- if (mid.length) {
- mid = mid[0].substr(6);
- } else {
- mid = SDPUtils.generateIdentifier();
- }
-
- 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) {
- cname = remoteSsrc.value;
- }
-
- 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' && !rejected) {
- var transports = self.usingBundle && sdpMLineIndex > 0 ? {
- iceGatherer: self.transceivers[0].iceGatherer,
- iceTransport: self.transceivers[0].iceTransport,
- dtlsTransport: self.transceivers[0].dtlsTransport
- } : self._createIceAndDtlsTransports(mid, sdpMLineIndex);
-
- if (isComplete) {
- transports.iceTransport.setRemoteCandidates(cands);
- }
-
- localCapabilities = RTCRtpReceiver.getCapabilities(kind);
- sendEncodingParameters = [{
- ssrc: (2 * sdpMLineIndex + 2) * 1001
- }];
-
- rtpReceiver = new RTCRtpReceiver(transports.dtlsTransport, kind);
-
- track = rtpReceiver.track;
- receiverList.push([track, rtpReceiver]);
- // FIXME: not correct when there are multiple streams but that is
- // not currently supported in this shim.
- stream.addTrack(track);
-
- // FIXME: look at direction.
- if (self.localStreams.length > 0 &&
- self.localStreams[0].getTracks().length >= sdpMLineIndex) {
- var localTrack;
- if (kind === 'audio') {
- localTrack = self.localStreams[0].getAudioTracks()[0];
- } else if (kind === 'video') {
- localTrack = self.localStreams[0].getVideoTracks()[0];
- }
- if (localTrack) {
- rtpSender = new RTCRtpSender(localTrack,
- transports.dtlsTransport);
- }
- }
-
- self.transceivers[sdpMLineIndex] = {
- iceGatherer: transports.iceGatherer,
- iceTransport: transports.iceTransport,
- dtlsTransport: transports.dtlsTransport,
- localCapabilities: localCapabilities,
- remoteCapabilities: remoteCapabilities,
- rtpSender: rtpSender,
- rtpReceiver: rtpReceiver,
- kind: kind,
- mid: mid,
- cname: cname,
- sendEncodingParameters: sendEncodingParameters,
- recvEncodingParameters: recvEncodingParameters
- };
- // Start the RTCRtpReceiver now. The RTPSender is started in
- // setLocalDescription.
- self._transceive(self.transceivers[sdpMLineIndex],
- false,
- direction === 'sendrecv' || direction === 'sendonly');
- } else if (description.type === 'answer' && !rejected) {
- transceiver = self.transceivers[sdpMLineIndex];
- iceGatherer = transceiver.iceGatherer;
- iceTransport = transceiver.iceTransport;
- dtlsTransport = transceiver.dtlsTransport;
- rtpSender = transceiver.rtpSender;
- rtpReceiver = transceiver.rtpReceiver;
- sendEncodingParameters = transceiver.sendEncodingParameters;
- localCapabilities = transceiver.localCapabilities;
-
- self.transceivers[sdpMLineIndex].recvEncodingParameters =
- recvEncodingParameters;
- self.transceivers[sdpMLineIndex].remoteCapabilities =
- remoteCapabilities;
- self.transceivers[sdpMLineIndex].cname = cname;
-
- if ((isIceLite || isComplete) && cands.length) {
- iceTransport.setRemoteCandidates(cands);
- }
- if (!self.usingBundle || sdpMLineIndex === 0) {
- iceTransport.start(iceGatherer, remoteIceParameters,
- 'controlling');
- dtlsTransport.start(remoteDtlsParameters);
- }
-
- self._transceive(transceiver,
- direction === 'sendrecv' || direction === 'recvonly',
- direction === 'sendrecv' || direction === 'sendonly');
-
- if (rtpReceiver &&
- (direction === 'sendrecv' || direction === 'sendonly')) {
- track = rtpReceiver.track;
- receiverList.push([track, rtpReceiver]);
- stream.addTrack(track);
- } else {
- // FIXME: actually the receiver should be created later.
- delete transceiver.rtpReceiver;
- }
- }
- });
-
- 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 +
- '"');
- }
- if (stream.getTracks().length) {
- self.remoteStreams.push(stream);
- window.setTimeout(function() {
- var event = new Event('addstream');
- event.stream = stream;
- self.dispatchEvent(event);
- if (self.onaddstream !== null) {
- window.setTimeout(function() {
- self.onaddstream(event);
- }, 0);
- }
-
- receiverList.forEach(function(item) {
- var track = item[0];
- var receiver = item[1];
- var trackEvent = new Event('track');
- trackEvent.track = track;
- trackEvent.receiver = receiver;
- trackEvent.streams = [stream];
- self.dispatchEvent(event);
- if (self.ontrack !== null) {
- window.setTimeout(function() {
- self.ontrack(trackEvent);
- }, 0);
- }
- });
- }, 0);
- }
- if (arguments.length > 1 && typeof arguments[1] === 'function') {
- window.setTimeout(arguments[1], 0);
- }
- return Promise.resolve();
- };
-
- window.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._updateSignalingState('closed');
- };
-
- // Update the signaling state.
- window.RTCPeerConnection.prototype._updateSignalingState =
- function(newState) {
- this.signalingState = newState;
- var event = new Event('signalingstatechange');
- this.dispatchEvent(event);
- if (this.onsignalingstatechange !== null) {
- this.onsignalingstatechange(event);
- }
- };
-
- // Determine whether to fire the negotiationneeded event.
- window.RTCPeerConnection.prototype._maybeFireNegotiationNeeded =
- function() {
- // Fire away (for now).
- var event = new Event('negotiationneeded');
- this.dispatchEvent(event);
- if (this.onnegotiationneeded !== null) {
- this.onnegotiationneeded(event);
- }
- };
-
- // Update the connection state.
- window.RTCPeerConnection.prototype._updateConnectionState = function() {
- var self = this;
- var newState;
- var states = {
- 'new': 0,
- closed: 0,
- connecting: 0,
- checking: 0,
- connected: 0,
- completed: 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 !== self.iceConnectionState) {
- self.iceConnectionState = newState;
- var event = new Event('iceconnectionstatechange');
- this.dispatchEvent(event);
- if (this.oniceconnectionstatechange !== null) {
- this.oniceconnectionstatechange(event);
- }
- }
- };
-
- window.RTCPeerConnection.prototype.createOffer = function() {
- var self = this;
- if (this._pendingOffer) {
- throw new Error('createOffer called while there is a pending offer.');
- }
- var offerOptions;
- if (arguments.length === 1 && typeof arguments[0] !== 'function') {
- offerOptions = arguments[0];
- } else if (arguments.length === 3) {
- offerOptions = arguments[2];
- }
-
- var tracks = [];
- var numAudioTracks = 0;
- var numVideoTracks = 0;
- // Default to sendrecv.
- if (this.localStreams.length) {
- numAudioTracks = this.localStreams[0].getAudioTracks().length;
- numVideoTracks = this.localStreams[0].getVideoTracks().length;
- }
- // Determine number of audio and video tracks we need to send/recv.
- if (offerOptions) {
- // Reject Chrome legacy constraints.
- if (offerOptions.mandatory || offerOptions.optional) {
- throw new TypeError(
- 'Legacy mandatory/optional constraints not supported.');
- }
- if (offerOptions.offerToReceiveAudio !== undefined) {
- numAudioTracks = offerOptions.offerToReceiveAudio;
- }
- if (offerOptions.offerToReceiveVideo !== undefined) {
- numVideoTracks = offerOptions.offerToReceiveVideo;
- }
- }
- if (this.localStreams.length) {
- // Push local streams.
- this.localStreams[0].getTracks().forEach(function(track) {
- tracks.push({
- kind: track.kind,
- track: track,
- wantReceive: track.kind === 'audio' ?
- numAudioTracks > 0 : numVideoTracks > 0
- });
- if (track.kind === 'audio') {
- numAudioTracks--;
- } else if (track.kind === 'video') {
- numVideoTracks--;
- }
- });
- }
- // Create M-lines for recvonly streams.
- while (numAudioTracks > 0 || numVideoTracks > 0) {
- if (numAudioTracks > 0) {
- tracks.push({
- kind: 'audio',
- wantReceive: true
- });
- numAudioTracks--;
- }
- if (numVideoTracks > 0) {
- tracks.push({
- kind: 'video',
- wantReceive: true
- });
- numVideoTracks--;
- }
- }
-
- var sdp = SDPUtils.writeSessionBoilerplate();
- var transceivers = [];
- tracks.forEach(function(mline, sdpMLineIndex) {
- // For each track, create an ice gatherer, ice transport,
- // dtls transport, potentially rtpsender and rtpreceiver.
- var track = mline.track;
- var kind = mline.kind;
- var mid = SDPUtils.generateIdentifier();
-
- var transports = self.usingBundle && sdpMLineIndex > 0 ? {
- iceGatherer: transceivers[0].iceGatherer,
- iceTransport: transceivers[0].iceTransport,
- dtlsTransport: transceivers[0].dtlsTransport
- } : self._createIceAndDtlsTransports(mid, sdpMLineIndex);
-
- var localCapabilities = RTCRtpSender.getCapabilities(kind);
- var rtpSender;
- var rtpReceiver;
-
- // generate an ssrc now, to be used later in rtpSender.send
- var sendEncodingParameters = [{
- ssrc: (2 * sdpMLineIndex + 1) * 1001
- }];
- if (track) {
- rtpSender = new RTCRtpSender(track, transports.dtlsTransport);
- }
-
- if (mline.wantReceive) {
- rtpReceiver = new RTCRtpReceiver(transports.dtlsTransport, kind);
- }
-
- transceivers[sdpMLineIndex] = {
- iceGatherer: transports.iceGatherer,
- iceTransport: transports.iceTransport,
- dtlsTransport: transports.dtlsTransport,
- localCapabilities: localCapabilities,
- remoteCapabilities: null,
- rtpSender: rtpSender,
- rtpReceiver: rtpReceiver,
- kind: kind,
- mid: mid,
- sendEncodingParameters: sendEncodingParameters,
- recvEncodingParameters: null
- };
- });
- if (this.usingBundle) {
- sdp += 'a=group:BUNDLE ' + transceivers.map(function(t) {
- return t.mid;
- }).join(' ') + '\r\n';
- }
- tracks.forEach(function(mline, sdpMLineIndex) {
- var transceiver = transceivers[sdpMLineIndex];
- sdp += SDPUtils.writeMediaSection(transceiver,
- transceiver.localCapabilities, 'offer', self.localStreams[0]);
- });
-
- this._pendingOffer = transceivers;
- var desc = new RTCSessionDescription({
- type: 'offer',
- sdp: sdp
- });
- if (arguments.length && typeof arguments[0] === 'function') {
- window.setTimeout(arguments[0], 0, desc);
- }
- return Promise.resolve(desc);
- };
-
- window.RTCPeerConnection.prototype.createAnswer = function() {
- var self = this;
-
- var sdp = SDPUtils.writeSessionBoilerplate();
- if (this.usingBundle) {
- sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
- return t.mid;
- }).join(' ') + '\r\n';
- }
- this.transceivers.forEach(function(transceiver) {
- // Calculate intersection of capabilities.
- var commonCapabilities = self._getCommonCapabilities(
- transceiver.localCapabilities,
- transceiver.remoteCapabilities);
-
- sdp += SDPUtils.writeMediaSection(transceiver, commonCapabilities,
- 'answer', self.localStreams[0]);
- });
-
- var desc = new RTCSessionDescription({
- type: 'answer',
- sdp: sdp
- });
- if (arguments.length && typeof arguments[0] === 'function') {
- window.setTimeout(arguments[0], 0, desc);
- }
- return Promise.resolve(desc);
- };
-
- window.RTCPeerConnection.prototype.addIceCandidate = function(candidate) {
- if (candidate === null) {
- this.transceivers.forEach(function(transceiver) {
- transceiver.iceTransport.addRemoteCandidate({});
- });
- } else {
- var mLineIndex = candidate.sdpMLineIndex;
- if (candidate.sdpMid) {
- for (var i = 0; i < this.transceivers.length; i++) {
- if (this.transceivers[i].mid === candidate.sdpMid) {
- mLineIndex = i;
- break;
- }
- }
- }
- var transceiver = this.transceivers[mLineIndex];
- if (transceiver) {
- 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;
- }
- // Ignore RTCP candidates, we assume RTCP-MUX.
- if (cand.component !== '1') {
- return;
- }
- // A dirty hack to make samples work.
- if (cand.type === 'endOfCandidates') {
- cand = {};
- }
- transceiver.iceTransport.addRemoteCandidate(cand);
-
- // update the remoteDescription.
- var sections = SDPUtils.splitSections(this.remoteDescription.sdp);
- sections[mLineIndex + 1] += (cand.type ? candidate.candidate.trim()
- : 'a=end-of-candidates') + '\r\n';
- this.remoteDescription.sdp = sections.join('');
- }
- }
- if (arguments.length > 1 && typeof arguments[1] === 'function') {
- window.setTimeout(arguments[1], 0);
- }
- return Promise.resolve();
- };
-
- window.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 cb = arguments.length > 1 && typeof arguments[1] === 'function' &&
- arguments[1];
- 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) {
- results.set(id, result[id]);
- results[id] = result[id];
- });
- });
- if (cb) {
- window.setTimeout(cb, 0, results);
- }
- resolve(results);
- });
- });
- };
- }
- };
-
- // Expose public methods.
- module.exports = {
- shimPeerConnection: edgeShim.shimPeerConnection,
- shimGetUserMedia: require('./getusermedia')
- };
-
- },{"./getusermedia":6,"sdp":1}],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';
-
- // Expose public methods.
- module.exports = function() {
- 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));
- });
- };
- };
-
- },{}],7:[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 browserDetails = require('../utils').browserDetails;
-
- var firefoxShim = {
- shimOnTrack: function() {
- 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.streams = [e.stream];
- this.dispatchEvent(event);
- }.bind(this));
- }.bind(this));
- }
- });
- }
- },
-
- shimSourceObject: function() {
- // 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() {
- 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 mozRTCPeerConnection(pcConfig, pcConstraints);
- };
- window.RTCPeerConnection.prototype = mozRTCPeerConnection.prototype;
-
- // wrap static methods. Currently just generateCertificate.
- if (mozRTCPeerConnection.generateCertificate) {
- Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
- get: function() {
- return mozRTCPeerConnection.generateCertificate;
- }
- });
- }
-
- window.RTCSessionDescription = mozRTCSessionDescription;
- window.RTCIceCandidate = mozRTCIceCandidate;
- }
-
- // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
- ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
- .forEach(function(method) {
- var nativeMethod = RTCPeerConnection.prototype[method];
- RTCPeerConnection.prototype[method] = function() {
- arguments[0] = new ((method === 'addIceCandidate') ?
- RTCIceCandidate : RTCSessionDescription)(arguments[0]);
- return nativeMethod.apply(this, arguments);
- };
- });
-
- // support for addIceCandidate(null)
- var nativeAddIceCandidate =
- RTCPeerConnection.prototype.addIceCandidate;
- RTCPeerConnection.prototype.addIceCandidate = function() {
- return arguments[0] === null ? Promise.resolve()
- : 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 nativeGetStats = RTCPeerConnection.prototype.getStats;
- RTCPeerConnection.prototype.getStats = function(selector, onSucc, onErr) {
- return nativeGetStats.apply(this, [selector || null])
- .then(function(stats) {
- return makeMapStats(stats);
- })
- .then(onSucc, onErr);
- };
- }
- };
-
- // Expose public methods.
- module.exports = {
- shimOnTrack: firefoxShim.shimOnTrack,
- shimSourceObject: firefoxShim.shimSourceObject,
- shimPeerConnection: firefoxShim.shimPeerConnection,
- shimGetUserMedia: require('./getusermedia')
- };
-
- },{"../utils":10,"./getusermedia":8}],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 logging = require('../utils').log;
- var browserDetails = require('../utils').browserDetails;
-
- // Expose public methods.
- module.exports = function() {
- var shimError_ = function(e) {
- return {
- name: {
- SecurityError: 'NotAllowedError',
- PermissionDeniedError: '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).catch(function(e) {
- return Promise.reject(shimError_(e));
- });
- };
- }
- navigator.getUserMedia = function(constraints, onSuccess, onError) {
- if (browserDetails.version < 44) {
- return getUserMedia_(constraints, onSuccess, onError);
- }
- // Replace Firefox 44+'s deprecation warning with unprefixed version.
- console.warn('navigator.getUserMedia has been replaced by ' +
- 'navigator.mediaDevices.getUserMedia');
- navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
- };
- };
-
- },{"../utils":10}],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.
- */
- 'use strict';
- var safariShim = {
- // TODO: DrAlex, should be here, double check against LayoutTests
- // shimOnTrack: function() { },
-
- // TODO: once the back-end for the mac port is done, add.
- // TODO: check for webkitGTK+
- // shimPeerConnection: function() { },
-
- shimGetUserMedia: function() {
- navigator.getUserMedia = navigator.webkitGetUserMedia;
- }
- };
-
- // Expose public methods.
- module.exports = {
- shimGetUserMedia: safariShim.shimGetUserMedia
- // TODO
- // shimOnTrack: safariShim.shimOnTrack,
- // shimPeerConnection: safariShim.shimPeerConnection
- };
-
- },{}],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 logDisabled_ = true;
-
- // Utility methods.
- var utils = {
- 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';
- },
-
- log: function() {
- if (typeof window === 'object') {
- if (logDisabled_) {
- return;
- }
- if (typeof console !== 'undefined' && typeof console.log === 'function') {
- console.log.apply(console, arguments);
- }
- }
- },
-
- /**
- * 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.
- */
- extractVersion: function(uastring, expr, pos) {
- var match = uastring.match(expr);
- return match && match.length >= pos && parseInt(match[pos], 10);
- },
-
- /**
- * Browser detector.
- *
- * @return {object} result containing browser and version
- * properties.
- */
- detectBrowser: function() {
- // 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;
- }
-
- // Firefox.
- if (navigator.mozGetUserMedia) {
- result.browser = 'firefox';
- result.version = this.extractVersion(navigator.userAgent,
- /Firefox\/([0-9]+)\./, 1);
-
- // all webkit-based browsers
- } else if (navigator.webkitGetUserMedia) {
- // Chrome, Chromium, Webview, Opera, all use the chrome shim for now
- if (window.webkitRTCPeerConnection) {
- result.browser = 'chrome';
- result.version = this.extractVersion(navigator.userAgent,
- /Chrom(e|ium)\/([0-9]+)\./, 2);
-
- // Safari or unknown webkit-based
- // for the time being Safari has support for MediaStreams but not webRTC
- } else {
- // Safari UA substrings of interest for reference:
- // - webkit version: AppleWebKit/602.1.25 (also used in Op,Cr)
- // - safari UI version: Version/9.0.3 (unique to Safari)
- // - safari UI webkit version: Safari/601.4.4 (also used in Op,Cr)
- //
- // if the webkit version and safari UI webkit versions are equals,
- // ... this is a stable version.
- //
- // only the internal webkit version is important today to know if
- // media streams are supported
- //
- if (navigator.userAgent.match(/Version\/(\d+).(\d+)/)) {
- result.browser = 'safari';
- result.version = this.extractVersion(navigator.userAgent,
- /AppleWebKit\/([0-9]+)\./, 1);
-
- // unknown webkit-based browser
- } else {
- result.browser = 'Unsupported webkit-based browser ' +
- 'with GUM support but no WebRTC support.';
- return result;
- }
- }
-
- // Edge.
- } else if (navigator.mediaDevices &&
- navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) {
- result.browser = 'edge';
- result.version = this.extractVersion(navigator.userAgent,
- /Edge\/(\d+).(\d+)$/, 2);
-
- // Default fallthrough: not supported.
- } else {
- result.browser = 'Not a supported browser.';
- return result;
- }
-
- return result;
- }
- };
-
- // Export.
- module.exports = {
- log: utils.log,
- disableLog: utils.disableLog,
- browserDetails: utils.detectBrowser(),
- extractVersion: utils.extractVersion
- };
-
- },{}]},{},[2])(2)
-});
-/* jshint ignore:end */
-
- // END OF INJECTION OF GOOGLE'S ADAPTER.JS CONTENT
- ///////////////////////////////////////////////////////////////////
-
- AdapterJS.parseWebrtcDetectedBrowser();
-
- ///////////////////////////////////////////////////////////////////
- // EXTENSION FOR CHROME, FIREFOX AND EDGE
- // Includes legacy functions
- // -- createIceServer
- // -- createIceServers
- // -- MediaStreamTrack.getSources
- //
- // and additional shims
- // -- attachMediaStream
- // -- reattachMediaStream
- // -- requestUserMedia
- // -- a call to AdapterJS.maybeThroughWebRTCReady (notifies WebRTC is ready)
-
- // Add support for legacy functions createIceServer and createIceServers
- if ( navigator.mozGetUserMedia ) {
- // Shim for MediaStreamTrack.getSources.
- MediaStreamTrack.getSources = function(successCb) {
- setTimeout(function() {
- var infos = [
- { kind: 'audio', id: 'default', label:'', facing:'' },
- { kind: 'video', id: 'default', label:'', facing:'' }
- ];
- successCb(infos);
- }, 0);
- };
-
- createIceServer = function (url, username, password) {
- console.warn('createIceServer is deprecated. It should be replaced with an application level implementation.');
- // Note: Google's import of AJS will auto-reverse to 'url': '...' for FF < 38
-
- var iceServer = null;
- var urlParts = url.split(':');
- if (urlParts[0].indexOf('stun') === 0) {
- iceServer = { urls : [url] };
- } else if (urlParts[0].indexOf('turn') === 0) {
- if (webrtcDetectedVersion < 27) {
- var turnUrlParts = url.split('?');
- if (turnUrlParts.length === 1 ||
- turnUrlParts[1].indexOf('transport=udp') === 0) {
- iceServer = {
- urls : [turnUrlParts[0]],
- credential : password,
- username : username
- };
- }
- } else {
- iceServer = {
- urls : [url],
- credential : password,
- username : username
- };
- }
- }
- return iceServer;
- };
-
- createIceServers = function (urls, username, password) {
- console.warn('createIceServers is deprecated. It should be replaced with an application level implementation.');
-
- var iceServers = [];
- for (i = 0; i < urls.length; i++) {
- var iceServer = createIceServer(urls[i], username, password);
- if (iceServer !== null) {
- iceServers.push(iceServer);
- }
- }
- return iceServers;
- };
- } else if ( navigator.webkitGetUserMedia ) {
- createIceServer = function (url, username, password) {
- console.warn('createIceServer is deprecated. It should be replaced with an application level implementation.');
-
- var iceServer = null;
- var urlParts = url.split(':');
- if (urlParts[0].indexOf('stun') === 0) {
- iceServer = { 'url' : url };
- } else if (urlParts[0].indexOf('turn') === 0) {
- iceServer = {
- 'url' : url,
- 'credential' : password,
- 'username' : username
- };
- }
- return iceServer;
- };
-
- createIceServers = function (urls, username, password) {
- console.warn('createIceServers is deprecated. It should be replaced with an application level implementation.');
-
- var iceServers = [];
- if (webrtcDetectedVersion >= 34) {
- iceServers = {
- 'urls' : urls,
- 'credential' : password,
- 'username' : username
- };
- } else {
- for (i = 0; i < urls.length; i++) {
- var iceServer = createIceServer(urls[i], username, password);
- if (iceServer !== null) {
- iceServers.push(iceServer);
- }
- }
- }
- return iceServers;
- };
- }
-
- // adapter.js by Google currently doesn't suppport
- // attachMediaStream and reattachMediaStream for Egde
- if (navigator.mediaDevices && navigator.userAgent.match(
- /Edge\/(\d+).(\d+)$/)) {
- getUserMedia = window.getUserMedia = navigator.getUserMedia.bind(navigator);
- attachMediaStream = function(element, stream) {
- element.srcObject = stream;
- return element;
- };
- reattachMediaStream = function(to, from) {
- to.srcObject = from.srcObject;
- return to;
- };
- }
-
- // Need to override attachMediaStream and reattachMediaStream
- // to support the plugin's logic
- if (attachMediaStream) {
- attachMediaStream_base = attachMediaStream;
- attachMediaStream = function (element, stream) {
- if ((webrtcDetectedBrowser === 'chrome' ||
- webrtcDetectedBrowser === 'opera') &&
- !stream) {
- // Chrome does not support "src = null"
- element.src = '';
- } else {
- attachMediaStream_base(element, stream);
- }
- return element;
- };
- }
- if (reattachMediaStream) {
- reattachMediaStream_base = reattachMediaStream;
- reattachMediaStream = function (to, from) {
- reattachMediaStream_base(to, from);
- return to;
- };
- }
-
- // Propagate attachMediaStream and gUM in window and AdapterJS
- window.attachMediaStream = attachMediaStream;
- window.reattachMediaStream = reattachMediaStream;
- window.getUserMedia = getUserMedia;
- AdapterJS.attachMediaStream = attachMediaStream;
- AdapterJS.reattachMediaStream = reattachMediaStream;
- AdapterJS.getUserMedia = getUserMedia;
-
- // Removed Google defined promises when promise is not defined
- if (typeof Promise === 'undefined') {
- requestUserMedia = null;
- }
-
- AdapterJS.maybeThroughWebRTCReady();
-
- // END OF EXTENSION OF CHROME, FIREFOX AND EDGE
- ///////////////////////////////////////////////////////////////////
-
-} else { // TRY TO USE PLUGIN
-
- ///////////////////////////////////////////////////////////////////
- // WEBRTC PLUGIN SHIM
- // Will automatically check if the plugin is available and inject it
- // into the DOM if it is.
- // When the plugin is not available, will prompt a banner to suggest installing it
- // Use AdapterJS.options.hidePluginInstallPrompt to prevent this banner from popping
- //
- // Shims the follwing:
- // -- getUserMedia
- // -- MediaStreamTrack
- // -- MediaStreamTrack.getSources
- // -- RTCPeerConnection
- // -- RTCSessionDescription
- // -- RTCIceCandidate
- // -- createIceServer
- // -- createIceServers
- // -- attachMediaStream
- // -- reattachMediaStream
- // -- webrtcDetectedBrowser
- // -- webrtcDetectedVersion
-
- // IE 9 is not offering an implementation of console.log until you open a console
- if (typeof console !== 'object' || typeof console.log !== 'function') {
- /* jshint -W020 */
- console = {} || console;
- // Implemented based on console specs from MDN
- // You may override these functions
- console.log = function (arg) {};
- console.info = function (arg) {};
- console.error = function (arg) {};
- console.dir = function (arg) {};
- console.exception = function (arg) {};
- console.trace = function (arg) {};
- console.warn = function (arg) {};
- console.count = function (arg) {};
- console.debug = function (arg) {};
- console.count = function (arg) {};
- console.time = function (arg) {};
- console.timeEnd = function (arg) {};
- console.group = function (arg) {};
- console.groupCollapsed = function (arg) {};
- console.groupEnd = function (arg) {};
- /* jshint +W020 */
- }
- AdapterJS.parseWebrtcDetectedBrowser();
- isIE = webrtcDetectedBrowser === 'IE';
-
- /* jshint -W035 */
- AdapterJS.WebRTCPlugin.WaitForPluginReady = function() {
- while (AdapterJS.WebRTCPlugin.pluginState !== AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY) {
- /* empty because it needs to prevent the function from running. */
- }
- };
- /* jshint +W035 */
-
- AdapterJS.WebRTCPlugin.callWhenPluginReady = function (callback) {
- if (AdapterJS.WebRTCPlugin.pluginState === AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY) {
- // Call immediately if possible
- // Once the plugin is set, the code will always take this path
- callback();
- } else {
- // otherwise start a 100ms interval
- var checkPluginReadyState = setInterval(function () {
- if (AdapterJS.WebRTCPlugin.pluginState === AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY) {
- clearInterval(checkPluginReadyState);
- callback();
- }
- }, 100);
- }
- };
-
- AdapterJS.WebRTCPlugin.setLogLevel = function(logLevel) {
- AdapterJS.WebRTCPlugin.callWhenPluginReady(function() {
- AdapterJS.WebRTCPlugin.plugin.setLogLevel(logLevel);
- });
- };
-
- AdapterJS.WebRTCPlugin.injectPlugin = function () {
- // only inject once the page is ready
- if (document.readyState !== 'complete') {
- return;
- }
-
- // Prevent multiple injections
- if (AdapterJS.WebRTCPlugin.pluginState !== AdapterJS.WebRTCPlugin.PLUGIN_STATES.INITIALIZING) {
- return;
- }
-
- AdapterJS.WebRTCPlugin.pluginState = AdapterJS.WebRTCPlugin.PLUGIN_STATES.INJECTING;
-
- if (webrtcDetectedBrowser === 'IE' && webrtcDetectedVersion <= 10) {
- var frag = document.createDocumentFragment();
- AdapterJS.WebRTCPlugin.plugin = document.createElement('div');
- AdapterJS.WebRTCPlugin.plugin.innerHTML = '<object id="' +
- AdapterJS.WebRTCPlugin.pluginInfo.pluginId + '" type="' +
- AdapterJS.WebRTCPlugin.pluginInfo.type + '" ' + 'width="1" height="1">' +
- '<param name="pluginId" value="' +
- AdapterJS.WebRTCPlugin.pluginInfo.pluginId + '" /> ' +
- '<param name="windowless" value="false" /> ' +
- '<param name="pageId" value="' + AdapterJS.WebRTCPlugin.pageId + '" /> ' +
- '<param name="onload" value="' + AdapterJS.WebRTCPlugin.pluginInfo.onload + '" />' +
- '<param name="tag" value="' + AdapterJS.WebRTCPlugin.TAGS.NONE + '" />' +
- // uncomment to be able to use virtual cams
- (AdapterJS.options.getAllCams ? '<param name="forceGetAllCams" value="True" />':'') +
-
- '</object>';
- while (AdapterJS.WebRTCPlugin.plugin.firstChild) {
- frag.appendChild(AdapterJS.WebRTCPlugin.plugin.firstChild);
- }
- document.body.appendChild(frag);
-
- // Need to re-fetch the plugin
- AdapterJS.WebRTCPlugin.plugin =
- document.getElementById(AdapterJS.WebRTCPlugin.pluginInfo.pluginId);
- } else {
- // Load Plugin
- AdapterJS.WebRTCPlugin.plugin = document.createElement('object');
- AdapterJS.WebRTCPlugin.plugin.id =
- AdapterJS.WebRTCPlugin.pluginInfo.pluginId;
- // IE will only start the plugin if it's ACTUALLY visible
- if (isIE) {
- AdapterJS.WebRTCPlugin.plugin.width = '1px';
- AdapterJS.WebRTCPlugin.plugin.height = '1px';
- } else { // The size of the plugin on Safari should be 0x0px
- // so that the autorisation prompt is at the top
- AdapterJS.WebRTCPlugin.plugin.width = '0px';
- AdapterJS.WebRTCPlugin.plugin.height = '0px';
- }
- AdapterJS.WebRTCPlugin.plugin.type = AdapterJS.WebRTCPlugin.pluginInfo.type;
- AdapterJS.WebRTCPlugin.plugin.innerHTML = '<param name="onload" value="' +
- AdapterJS.WebRTCPlugin.pluginInfo.onload + '">' +
- '<param name="pluginId" value="' +
- AdapterJS.WebRTCPlugin.pluginInfo.pluginId + '">' +
- '<param name="windowless" value="false" /> ' +
- (AdapterJS.options.getAllCams ? '<param name="forceGetAllCams" value="True" />':'') +
- '<param name="pageId" value="' + AdapterJS.WebRTCPlugin.pageId + '">' +
- '<param name="tag" value="' + AdapterJS.WebRTCPlugin.TAGS.NONE + '" />';
- document.body.appendChild(AdapterJS.WebRTCPlugin.plugin);
- }
-
-
- AdapterJS.WebRTCPlugin.pluginState = AdapterJS.WebRTCPlugin.PLUGIN_STATES.INJECTED;
- };
-
- AdapterJS.WebRTCPlugin.isPluginInstalled =
- function (comName, plugName, installedCb, notInstalledCb) {
- if (!isIE) {
- var pluginArray = navigator.plugins;
- for (var i = 0; i < pluginArray.length; i++) {
- if (pluginArray[i].name.indexOf(plugName) >= 0) {
- installedCb();
- return;
- }
- }
- notInstalledCb();
- } else {
- try {
- var axo = new ActiveXObject(comName + '.' + plugName);
- } catch (e) {
- notInstalledCb();
- return;
- }
- installedCb();
- }
- };
-
- AdapterJS.WebRTCPlugin.defineWebRTCInterface = function () {
- if (AdapterJS.WebRTCPlugin.pluginState ===
- AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY) {
- console.error('AdapterJS - WebRTC interface has already been defined');
- return;
- }
-
- AdapterJS.WebRTCPlugin.pluginState = AdapterJS.WebRTCPlugin.PLUGIN_STATES.INITIALIZING;
-
- AdapterJS.isDefined = function (variable) {
- return variable !== null && variable !== undefined;
- };
-
- createIceServer = function (url, username, password) {
- var iceServer = null;
- var urlParts = url.split(':');
- if (urlParts[0].indexOf('stun') === 0) {
- iceServer = {
- 'url' : url,
- 'hasCredentials' : false
- };
- } else if (urlParts[0].indexOf('turn') === 0) {
- iceServer = {
- 'url' : url,
- 'hasCredentials' : true,
- 'credential' : password,
- 'username' : username
- };
- }
- return iceServer;
- };
-
- createIceServers = function (urls, username, password) {
- var iceServers = [];
- for (var i = 0; i < urls.length; ++i) {
- iceServers.push(createIceServer(urls[i], username, password));
- }
- return iceServers;
- };
-
- RTCSessionDescription = function (info) {
- AdapterJS.WebRTCPlugin.WaitForPluginReady();
- return AdapterJS.WebRTCPlugin.plugin.
- ConstructSessionDescription(info.type, info.sdp);
- };
-
- RTCPeerConnection = function (servers, constraints) {
- // Validate server argumenr
- if (!(servers === undefined ||
- servers === null ||
- Array.isArray(servers.iceServers))) {
- throw new Error('Failed to construct \'RTCPeerConnection\': Malformed RTCConfiguration');
- }
-
- // Validate constraints argument
- if (typeof constraints !== 'undefined' && constraints !== null) {
- var invalidConstraits = false;
- invalidConstraits |= typeof constraints !== 'object';
- invalidConstraits |= constraints.hasOwnProperty('mandatory') &&
- constraints.mandatory !== undefined &&
- constraints.mandatory !== null &&
- constraints.mandatory.constructor !== Object;
- invalidConstraits |= constraints.hasOwnProperty('optional') &&
- constraints.optional !== undefined &&
- constraints.optional !== null &&
- !Array.isArray(constraints.optional);
- if (invalidConstraits) {
- throw new Error('Failed to construct \'RTCPeerConnection\': Malformed constraints object');
- }
- }
-
- // Call relevant PeerConnection constructor according to plugin version
- AdapterJS.WebRTCPlugin.WaitForPluginReady();
-
- // RTCPeerConnection prototype from the old spec
- var iceServers = null;
- if (servers && Array.isArray(servers.iceServers)) {
- iceServers = servers.iceServers;
- for (var i = 0; i < iceServers.length; i++) {
- // Legacy plugin versions compatibility
- if (iceServers[i].urls && !iceServers[i].url) {
- iceServers[i].url = iceServers[i].urls;
- }
- iceServers[i].hasCredentials = AdapterJS.
- isDefined(iceServers[i].username) &&
- AdapterJS.isDefined(iceServers[i].credential);
- }
- }
-
- if (AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION &&
- AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION > 1) {
- // RTCPeerConnection prototype from the new spec
- if (iceServers) {
- servers.iceServers = iceServers;
- }
- return AdapterJS.WebRTCPlugin.plugin.PeerConnection(servers);
- } else {
- var mandatory = (constraints && constraints.mandatory) ?
- constraints.mandatory : null;
- var optional = (constraints && constraints.optional) ?
- constraints.optional : null;
- return AdapterJS.WebRTCPlugin.plugin.
- PeerConnection(AdapterJS.WebRTCPlugin.pageId,
- iceServers, mandatory, optional);
- }
- };
-
- MediaStreamTrack = function(){};
- MediaStreamTrack.getSources = function (callback) {
- AdapterJS.WebRTCPlugin.callWhenPluginReady(function() {
- AdapterJS.WebRTCPlugin.plugin.GetSources(callback);
- });
- };
-
- getUserMedia = function (constraints, successCallback, failureCallback) {
- constraints.audio = constraints.audio || false;
- constraints.video = constraints.video || false;
-
- AdapterJS.WebRTCPlugin.callWhenPluginReady(function() {
- AdapterJS.WebRTCPlugin.plugin.
- getUserMedia(constraints, successCallback, failureCallback);
- });
- };
- window.navigator.getUserMedia = getUserMedia;
-
- // Defined mediaDevices when promises are available
- if ( !navigator.mediaDevices &&
- typeof Promise !== 'undefined') {
- requestUserMedia = function(constraints) {
- return new Promise(function(resolve, reject) {
- getUserMedia(constraints, resolve, reject);
- });
- };
- navigator.mediaDevices = {getUserMedia: requestUserMedia,
- enumerateDevices: function() {
- return new Promise(function(resolve) {
- var kinds = {audio: 'audioinput', video: 'videoinput'};
- return MediaStreamTrack.getSources(function(devices) {
- resolve(devices.map(function(device) {
- return {label: device.label,
- kind: kinds[device.kind],
- id: device.id,
- deviceId: device.id,
- groupId: ''};
- }));
- });
- });
- }};
- }
-
- attachMediaStream = function (element, stream) {
- if (!element || !element.parentNode) {
- return;
- }
-
- var streamId;
- if (stream === null) {
- streamId = '';
- } else {
- if (typeof stream.enableSoundTracks !== 'undefined') {
- stream.enableSoundTracks(true);
- }
- streamId = stream.id;
- }
-
- var elementId = element.id.length === 0 ? Math.random().toString(36).slice(2) : element.id;
- var nodeName = element.nodeName.toLowerCase();
- if (nodeName !== 'object') { // not a plugin <object> tag yet
- var tag;
- switch(nodeName) {
- case 'audio':
- tag = AdapterJS.WebRTCPlugin.TAGS.AUDIO;
- break;
- case 'video':
- tag = AdapterJS.WebRTCPlugin.TAGS.VIDEO;
- break;
- default:
- tag = AdapterJS.WebRTCPlugin.TAGS.NONE;
- }
-
- var frag = document.createDocumentFragment();
- var temp = document.createElement('div');
- var classHTML = '';
- if (element.className) {
- classHTML = 'class="' + element.className + '" ';
- } else if (element.attributes && element.attributes['class']) {
- classHTML = 'class="' + element.attributes['class'].value + '" ';
- }
-
- temp.innerHTML = '<object id="' + elementId + '" ' + classHTML +
- 'type="' + AdapterJS.WebRTCPlugin.pluginInfo.type + '">' +
- '<param name="pluginId" value="' + elementId + '" /> ' +
- '<param name="pageId" value="' + AdapterJS.WebRTCPlugin.pageId + '" /> ' +
- '<param name="windowless" value="true" /> ' +
- '<param name="streamId" value="' + streamId + '" /> ' +
- '<param name="tag" value="' + tag + '" /> ' +
- '</object>';
- while (temp.firstChild) {
- frag.appendChild(temp.firstChild);
- }
-
- var height = '';
- var width = '';
- if (element.clientWidth || element.clientHeight) {
- width = element.clientWidth;
- height = element.clientHeight;
- }
- else if (element.width || element.height) {
- width = element.width;
- height = element.height;
- }
-
- element.parentNode.insertBefore(frag, element);
- frag = document.getElementById(elementId);
- frag.width = width;
- frag.height = height;
- element.parentNode.removeChild(element);
- } else { // already an <object> tag, just change the stream id
- var children = element.children;
- for (var i = 0; i !== children.length; ++i) {
- if (children[i].name === 'streamId') {
- children[i].value = streamId;
- break;
- }
- }
- element.setStreamId(streamId);
- }
- var newElement = document.getElementById(elementId);
- AdapterJS.forwardEventHandlers(newElement, element, Object.getPrototypeOf(element));
-
- return newElement;
- };
-
- reattachMediaStream = function (to, from) {
- var stream = null;
- var children = from.children;
- for (var i = 0; i !== children.length; ++i) {
- if (children[i].name === 'streamId') {
- AdapterJS.WebRTCPlugin.WaitForPluginReady();
- stream = AdapterJS.WebRTCPlugin.plugin
- .getStreamWithId(AdapterJS.WebRTCPlugin.pageId, children[i].value);
- break;
- }
- }
- if (stream !== null) {
- return attachMediaStream(to, stream);
- } else {
- console.log('Could not find the stream associated with this element');
- }
- };
-
- // Propagate attachMediaStream and gUM in window and AdapterJS
- window.attachMediaStream = attachMediaStream;
- window.reattachMediaStream = reattachMediaStream;
- window.getUserMedia = getUserMedia;
- AdapterJS.attachMediaStream = attachMediaStream;
- AdapterJS.reattachMediaStream = reattachMediaStream;
- AdapterJS.getUserMedia = getUserMedia;
-
- AdapterJS.forwardEventHandlers = function (destElem, srcElem, prototype) {
- properties = Object.getOwnPropertyNames( prototype );
- for(var prop in properties) {
- if (prop) {
- propName = properties[prop];
-
- if (typeof propName.slice === 'function' &&
- propName.slice(0,2) === 'on' &&
- typeof srcElem[propName] === 'function') {
- AdapterJS.addEvent(destElem, propName.slice(2), srcElem[propName]);
- }
- }
- }
- var subPrototype = Object.getPrototypeOf(prototype);
- if(!!subPrototype) {
- AdapterJS.forwardEventHandlers(destElem, srcElem, subPrototype);
- }
- };
-
- RTCIceCandidate = function (candidate) {
- if (!candidate.sdpMid) {
- candidate.sdpMid = '';
- }
-
- AdapterJS.WebRTCPlugin.WaitForPluginReady();
- return AdapterJS.WebRTCPlugin.plugin.ConstructIceCandidate(
- candidate.sdpMid, candidate.sdpMLineIndex, candidate.candidate
- );
- };
-
- // inject plugin
- AdapterJS.addEvent(document, 'readystatechange', AdapterJS.WebRTCPlugin.injectPlugin);
- AdapterJS.WebRTCPlugin.injectPlugin();
- };
-
- // This function will be called if the plugin is needed (browser different
- // from Chrome or Firefox), but the plugin is not installed.
- AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb = AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb ||
- function() {
- AdapterJS.addEvent(document,
- 'readystatechange',
- AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv);
- AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv();
- };
-
- AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv = function () {
- if (AdapterJS.options.hidePluginInstallPrompt) {
- return;
- }
-
- var downloadLink = AdapterJS.WebRTCPlugin.pluginInfo.downloadLink;
- if(downloadLink) { // if download link
- var popupString;
- if (AdapterJS.WebRTCPlugin.pluginInfo.portalLink) { // is portal link
- popupString = 'This website requires you to install the ' +
- ' <a href="' + AdapterJS.WebRTCPlugin.pluginInfo.portalLink +
- '" target="_blank">' + AdapterJS.WebRTCPlugin.pluginInfo.companyName +
- ' WebRTC Plugin</a>' +
- ' to work on this browser.';
- } else { // no portal link, just print a generic explanation
- popupString = AdapterJS.TEXT.PLUGIN.REQUIRE_INSTALLATION;
- }
-
- AdapterJS.renderNotificationBar(popupString, AdapterJS.TEXT.PLUGIN.BUTTON, downloadLink);
- } else { // no download link, just print a generic explanation
- AdapterJS.renderNotificationBar(AdapterJS.TEXT.PLUGIN.NOT_SUPPORTED);
- }
- };
-
- // Try to detect the plugin and act accordingly
- AdapterJS.WebRTCPlugin.isPluginInstalled(
- AdapterJS.WebRTCPlugin.pluginInfo.prefix,
- AdapterJS.WebRTCPlugin.pluginInfo.plugName,
- AdapterJS.WebRTCPlugin.defineWebRTCInterface,
- AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb);
-
- // END OF WEBRTC PLUGIN SHIM
- ///////////////////////////////////////////////////////////////////
-}
+/*! adapterjs - v0.14.1-6d236da - 2017-05-02 */
+var AdapterJS=AdapterJS||{};AdapterJS.options=AdapterJS.options||{},AdapterJS.VERSION="0.14.1-6d236da",AdapterJS.onwebrtcready=AdapterJS.onwebrtcready||function(isUsingPlugin){},AdapterJS._onwebrtcreadies=[],AdapterJS.webRTCReady=function(baseCallback){if("function"!=typeof baseCallback)throw new Error("Callback provided is not a function");var callback=function(){"function"==typeof window.require&&"function"==typeof AdapterJS.defineMediaSourcePolyfill&&AdapterJS.defineMediaSourcePolyfill(),baseCallback(null!==AdapterJS.WebRTCPlugin.plugin)};!0===AdapterJS.onwebrtcreadyDone?callback():AdapterJS._onwebrtcreadies.push(callback)},AdapterJS.WebRTCPlugin=AdapterJS.WebRTCPlugin||{},AdapterJS.WebRTCPlugin.pluginInfo=AdapterJS.WebRTCPlugin.pluginInfo||{prefix:"Tem",plugName:"TemWebRTCPlugin",pluginId:"plugin0",type:"application/x-temwebrtcplugin",onload:"__TemWebRTCReady0",portalLink:"https://skylink.io/plugin/",downloadLink:null,companyName:"Temasys",downloadLinks:{mac:"https://bit.ly/webrtcpluginpkg",win:"https://bit.ly/webrtcpluginmsi"}},void 0!==AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks&&null!==AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks&&(navigator.platform.match(/^Mac/i)?AdapterJS.WebRTCPlugin.pluginInfo.downloadLink=AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks.mac:navigator.platform.match(/^Win/i)&&(AdapterJS.WebRTCPlugin.pluginInfo.downloadLink=AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks.win)),AdapterJS.WebRTCPlugin.TAGS={NONE:"none",AUDIO:"audio",VIDEO:"video"},AdapterJS.WebRTCPlugin.pageId=Math.random().toString(36).slice(2),AdapterJS.WebRTCPlugin.plugin=null,AdapterJS.WebRTCPlugin.setLogLevel=null,AdapterJS.WebRTCPlugin.defineWebRTCInterface=null,AdapterJS.WebRTCPlugin.isPluginInstalled=null,AdapterJS.WebRTCPlugin.pluginInjectionInterval=null,AdapterJS.WebRTCPlugin.injectPlugin=null,AdapterJS.WebRTCPlugin.PLUGIN_STATES={NONE:0,INITIALIZING:1,INJECTING:2,INJECTED:3,READY:4},AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.NONE,AdapterJS.onwebrtcreadyDone=!1,AdapterJS.WebRTCPlugin.PLUGIN_LOG_LEVELS={NONE:"NONE",ERROR:"ERROR",WARNING:"WARNING",INFO:"INFO",VERBOSE:"VERBOSE",SENSITIVE:"SENSITIVE"},AdapterJS.WebRTCPlugin.WaitForPluginReady=null,AdapterJS.WebRTCPlugin.callWhenPluginReady=null,__TemWebRTCReady0=function(){if("complete"===document.readyState)AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY,AdapterJS.maybeThroughWebRTCReady();else var timer=setInterval(function(){"complete"===document.readyState&&(clearInterval(timer),AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY,AdapterJS.maybeThroughWebRTCReady())},100)},AdapterJS.maybeThroughWebRTCReady=function(){AdapterJS.onwebrtcreadyDone||(AdapterJS.onwebrtcreadyDone=!0,AdapterJS._onwebrtcreadies.length?AdapterJS._onwebrtcreadies.forEach(function(callback){"function"==typeof callback&&callback(null!==AdapterJS.WebRTCPlugin.plugin)}):"function"==typeof AdapterJS.onwebrtcready&&AdapterJS.onwebrtcready(null!==AdapterJS.WebRTCPlugin.plugin))},AdapterJS.TEXT={PLUGIN:{REQUIRE_INSTALLATION:"This website requires you to install a WebRTC-enabling plugin to work on this browser.",NOT_SUPPORTED:"Your browser does not support WebRTC.",BUTTON:"Install Now"},REFRESH:{REQUIRE_REFRESH:"Please refresh page",BUTTON:"Refresh Page"}},AdapterJS._iceConnectionStates={starting:"starting",checking:"checking",connected:"connected",completed:"connected",done:"completed",disconnected:"disconnected",failed:"failed",closed:"closed"},AdapterJS._iceConnectionFiredStates=[],AdapterJS.isDefined=null,AdapterJS.parseWebrtcDetectedBrowser=function(){var hasMatch=null;if(window.opr&&opr.addons||window.opera||navigator.userAgent.indexOf(" OPR/")>=0)hasMatch=navigator.userAgent.match(/OPR\/(\d+)/i)||[],webrtcDetectedBrowser="opera",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=26,webrtcDetectedType="webkit",webrtcDetectedDCSupport="SCTP";else if(navigator.userAgent.match(/Bowser\/[0-9.]*/g)){hasMatch=navigator.userAgent.match(/Bowser\/[0-9.]*/g)||[];var chromiumVersion=parseInt((navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./i)||[])[2]||"0",10);webrtcDetectedBrowser="bowser",webrtcDetectedVersion=parseFloat((hasMatch[0]||"0/0").split("/")[1],10),webrtcMinimumVersion=0,webrtcDetectedType="webkit",webrtcDetectedDCSupport=chromiumVersion>30?"SCTP":"RTP"}else if(navigator.userAgent.indexOf("OPiOS")>0)hasMatch=navigator.userAgent.match(/OPiOS\/([0-9]+)\./),webrtcDetectedBrowser="opera",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=0,webrtcDetectedType=null,webrtcDetectedDCSupport=null;else if(navigator.userAgent.indexOf("CriOS")>0)hasMatch=navigator.userAgent.match(/CriOS\/([0-9]+)\./)||[],webrtcDetectedBrowser="chrome",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=0,webrtcDetectedType=null,webrtcDetectedDCSupport=null;else if(navigator.userAgent.indexOf("FxiOS")>0)hasMatch=navigator.userAgent.match(/FxiOS\/([0-9]+)\./)||[],webrtcDetectedBrowser="firefox",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=0,webrtcDetectedType=null,webrtcDetectedDCSupport=null;else if(document.documentMode)hasMatch=/\brv[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedBrowser="IE",webrtcDetectedVersion=parseInt(hasMatch[1],10),webrtcMinimumVersion=9,webrtcDetectedType="plugin",webrtcDetectedDCSupport="SCTP",webrtcDetectedVersion||(hasMatch=/\bMSIE[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10));else if(window.StyleMedia||navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))hasMatch=navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)||[],webrtcDetectedBrowser="edge",webrtcDetectedVersion=parseFloat((hasMatch[0]||"0/0").split("/")[1],10),webrtcMinimumVersion=13.10547,webrtcDetectedType="ms",webrtcDetectedDCSupport=null;else if("undefined"!=typeof InstallTrigger||navigator.userAgent.indexOf("irefox")>0)hasMatch=navigator.userAgent.match(/Firefox\/([0-9]+)\./)||[],webrtcDetectedBrowser="firefox",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=33,webrtcDetectedType="moz",webrtcDetectedDCSupport="SCTP";else if(window.chrome&&window.chrome.webstore||navigator.userAgent.indexOf("Chrom")>0)hasMatch=navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./i)||[],webrtcDetectedBrowser="chrome",webrtcDetectedVersion=parseInt(hasMatch[2]||"0",10),webrtcMinimumVersion=38,webrtcDetectedType="webkit",webrtcDetectedDCSupport=webrtcDetectedVersion>30?"SCTP":"RTP";else if(/^((?!chrome|android).)*safari/i.test(navigator.userAgent)){hasMatch=navigator.userAgent.match(/version\/(\d+)/i)||[];var isMobile=navigator.userAgent.match(/(iPhone|iPad)/gi)||[];webrtcDetectedBrowser="safari",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=7,webrtcDetectedType=0===isMobile.length?"plugin":null,webrtcDetectedDCSupport=0===isMobile.length?"SCTP":null}window.webrtcDetectedBrowser=webrtcDetectedBrowser,window.webrtcDetectedVersion=webrtcDetectedVersion,window.webrtcMinimumVersion=webrtcMinimumVersion,window.webrtcDetectedType=webrtcDetectedType,window.webrtcDetectedDCSupport=webrtcDetectedDCSupport},AdapterJS.addEvent=function(elem,evnt,func){elem.addEventListener?elem.addEventListener(evnt,func,!1):elem.attachEvent?elem.attachEvent("on"+evnt,func):elem[evnt]=func},AdapterJS.renderNotificationBar=function(message,buttonText,buttonCallback){if("complete"===document.readyState){var w=window,i=document.createElement("iframe");i.name="adapterjs-alert",i.style.position="fixed",i.style.top="-41px",i.style.left=0,i.style.right=0,i.style.width="100%",i.style.height="40px",i.style.backgroundColor="#ffffe1",i.style.border="none",i.style.borderBottom="1px solid #888888",i.style.zIndex="9999999","string"==typeof i.style.webkitTransition?i.style.webkitTransition="all .5s ease-out":"string"==typeof i.style.transition&&(i.style.transition="all .5s ease-out"),document.body.appendChild(i);var c=i.contentWindow?i.contentWindow:i.contentDocument.document?i.contentDocument.document:i.contentDocument;c.document.open(),c.document.write('<span style="display: inline-block; font-family: Helvetica, Arial,sans-serif; font-size: .9rem; padding: 4px; vertical-align: middle; cursor: default;">'+message+"</span>"),buttonText&&"function"==typeof buttonCallback?(c.document.write('<button id="okay">'+buttonText+'</button><button id="cancel">Cancel</button>'),c.document.close(),AdapterJS.addEvent(c.document.getElementById("okay"),"click",function(e){e.preventDefault();try{e.cancelBubble=!0}catch(error){}buttonCallback(e)}),AdapterJS.addEvent(c.document.getElementById("cancel"),"click",function(e){w.document.body.removeChild(i)})):c.document.close(),setTimeout(function(){"string"==typeof i.style.webkitTransform?i.style.webkitTransform="translateY(40px)":"string"==typeof i.style.transform?i.style.transform="translateY(40px)":i.style.top="0px"},300)}},webrtcDetectedType=null,checkMediaDataChannelSettings=function(peerBrowserAgent,peerBrowserVersion,callback,constraints){if("function"==typeof callback){var beOfferer=!0,isLocalFirefox="firefox"===webrtcDetectedBrowser,isLocalFirefoxInterop="moz"===webrtcDetectedType&&webrtcDetectedVersion>30,isPeerFirefox="firefox"===peerBrowserAgent;if(isLocalFirefox&&isPeerFirefox||isLocalFirefoxInterop)try{delete constraints.mandatory.MozDontOfferDataChannel}catch(error){}else isLocalFirefox&&!isPeerFirefox&&(constraints.mandatory.MozDontOfferDataChannel=!0);if(!isLocalFirefox)for(var prop in constraints.mandatory)constraints.mandatory.hasOwnProperty(prop)&&-1!==prop.indexOf("Moz")&&delete constraints.mandatory[prop];!isLocalFirefox||isPeerFirefox||isLocalFirefoxInterop||(beOfferer=!1),callback(beOfferer,constraints)}},checkIceConnectionState=function(peerId,iceConnectionState,callback){"function"==typeof callback&&(peerId=peerId||"peer",AdapterJS._iceConnectionFiredStates[peerId]&&iceConnectionState!==AdapterJS._iceConnectionStates.disconnected&&iceConnectionState!==AdapterJS._iceConnectionStates.failed&&iceConnectionState!==AdapterJS._iceConnectionStates.closed||(AdapterJS._iceConnectionFiredStates[peerId]=[]),iceConnectionState=AdapterJS._iceConnectionStates[iceConnectionState],AdapterJS._iceConnectionFiredStates[peerId].indexOf(iceConnectionState)<0&&(AdapterJS._iceConnectionFiredStates[peerId].push(iceConnectionState),iceConnectionState===AdapterJS._iceConnectionStates.connected&&setTimeout(function(){AdapterJS._iceConnectionFiredStates[peerId].push(AdapterJS._iceConnectionStates.done),callback(AdapterJS._iceConnectionStates.done)},1e3),callback(iceConnectionState)))},createIceServer=null,createIceServers=null,RTCPeerConnection="function"==typeof RTCPeerConnection?RTCPeerConnection:null,RTCSessionDescription="function"==typeof RTCSessionDescription?RTCSessionDescription:null,RTCIceCandidate="function"==typeof RTCIceCandidate?RTCIceCandidate:null,getUserMedia=null,attachMediaStream=null,reattachMediaStream=null,webrtcDetectedBrowser=null,webrtcDetectedVersion=null,webrtcMinimumVersion=null,!(navigator.mozGetUserMedia||navigator.webkitGetUserMedia||navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))||0===(navigator.userAgent.match(/android/gi)||[]).length&&0===(navigator.userAgent.match(/chrome/gi)||[]).length&&navigator.userAgent.indexOf("Safari/")>0?("object"==typeof console&&"function"==typeof console.log||(console={}||console,console.log=function(arg){},console.info=function(arg){},console.error=function(arg){},console.dir=function(arg){},console.exception=function(arg){},console.trace=function(arg){},console.warn=function(arg){},console.count=function(arg){},console.debug=function(arg){},console.count=function(arg){},console.time=function(arg){},console.timeEnd=function(arg){},console.group=function(arg){},console.groupCollapsed=function(arg){},console.groupEnd=function(arg){}),AdapterJS.parseWebrtcDetectedBrowser(),isIE="IE"===webrtcDetectedBrowser,AdapterJS.WebRTCPlugin.WaitForPluginReady=function(){for(;AdapterJS.WebRTCPlugin.pluginState!==AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY;);},AdapterJS.WebRTCPlugin.callWhenPluginReady=function(callback){if(AdapterJS.WebRTCPlugin.pluginState===AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY)callback();else var checkPluginReadyState=setInterval(function(){AdapterJS.WebRTCPlugin.pluginState===AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY&&(clearInterval(checkPluginReadyState),callback())},100)},AdapterJS.WebRTCPlugin.setLogLevel=function(logLevel){AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.setLogLevel(logLevel)})},AdapterJS.WebRTCPlugin.injectPlugin=function(){if("complete"===document.readyState&&AdapterJS.WebRTCPlugin.pluginState===AdapterJS.WebRTCPlugin.PLUGIN_STATES.INITIALIZING){if(AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.INJECTING,"IE"===webrtcDetectedBrowser&&webrtcDetectedVersion<=10){var frag=document.createDocumentFragment();for(AdapterJS.WebRTCPlugin.plugin=document.createElement("div"),AdapterJS.WebRTCPlugin.plugin.innerHTML='<object id="'+AdapterJS.WebRTCPlugin.pluginInfo.pluginId+'" type="'+AdapterJS.WebRTCPlugin.pluginInfo.type+'" width="1" height="1"><param name="pluginId" value="'+AdapterJS.WebRTCPlugin.pluginInfo.pluginId+'" /> <param name="windowless" value="false" /> <param name="pageId" value="'+AdapterJS.WebRTCPlugin.pageId+'" /> <param name="onload" value="'+AdapterJS.WebRTCPlugin.pluginInfo.onload+'" /><param name="tag" value="'+AdapterJS.WebRTCPlugin.TAGS.NONE+'" />'+(AdapterJS.options.getAllCams?'<param name="forceGetAllCams" value="True" />':"")+"</object>";AdapterJS.WebRTCPlugin.plugin.firstChild;)frag.appendChild(AdapterJS.WebRTCPlugin.plugin.firstChild);document.body.appendChild(frag),AdapterJS.WebRTCPlugin.plugin=document.getElementById(AdapterJS.WebRTCPlugin.pluginInfo.pluginId)}else AdapterJS.WebRTCPlugin.plugin=document.createElement("object"),AdapterJS.WebRTCPlugin.plugin.id=AdapterJS.WebRTCPlugin.pluginInfo.pluginId,isIE?(AdapterJS.WebRTCPlugin.plugin.width="1px",AdapterJS.WebRTCPlugin.plugin.height="1px"):(AdapterJS.WebRTCPlugin.plugin.width="0px",AdapterJS.WebRTCPlugin.plugin.height="0px"),AdapterJS.WebRTCPlugin.plugin.type=AdapterJS.WebRTCPlugin.pluginInfo.type,AdapterJS.WebRTCPlugin.plugin.innerHTML='<param name="onload" value="'+AdapterJS.WebRTCPlugin.pluginInfo.onload+'"><param name="pluginId" value="'+AdapterJS.WebRTCPlugin.pluginInfo.pluginId+'"><param name="windowless" value="false" /> '+(AdapterJS.options.getAllCams?'<param name="forceGetAllCams" value="True" />':"")+'<param name="pageId" value="'+AdapterJS.WebRTCPlugin.pageId+'"><param name="tag" value="'+AdapterJS.WebRTCPlugin.TAGS.NONE+'" />',document.body.appendChild(AdapterJS.WebRTCPlugin.plugin);AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.INJECTED}},AdapterJS.WebRTCPlugin.isPluginInstalled=function(comName,plugName,plugType,installedCb,notInstalledCb){if(isIE){try{new ActiveXObject(comName+"."+plugName)}catch(e){return void notInstalledCb()}installedCb()}else{for(var pluginArray=navigator.mimeTypes,i=0;i<pluginArray.length;i++)if(pluginArray[i].type.indexOf(plugType)>=0)return void installedCb();notInstalledCb()}},AdapterJS.WebRTCPlugin.defineWebRTCInterface=function(){if(AdapterJS.WebRTCPlugin.pluginState!==AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY){AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.INITIALIZING,AdapterJS.isDefined=function(variable){return null!==variable&&void 0!==variable},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");return 0===urlParts[0].indexOf("stun")?iceServer={url:url,hasCredentials:!1}:0===urlParts[0].indexOf("turn")&&(iceServer={url:url,hasCredentials:!0,credential:password,username:username}),iceServer},createIceServers=function(urls,username,password){for(var iceServers=[],i=0;i<urls.length;++i)iceServers.push(createIceServer(urls[i],username,password));return iceServers},RTCSessionDescription=function(info){return AdapterJS.WebRTCPlugin.WaitForPluginReady(),AdapterJS.WebRTCPlugin.plugin.ConstructSessionDescription(info.type,info.sdp)},RTCPeerConnection=function(servers,constraints){if(void 0!==servers&&null!==servers&&!Array.isArray(servers.iceServers))throw new Error("Failed to construct 'RTCPeerConnection': Malformed RTCConfiguration");if(void 0!==constraints&&null!==constraints){var invalidConstraits=!1;if(invalidConstraits|="object"!=typeof constraints,invalidConstraits|=constraints.hasOwnProperty("mandatory")&&void 0!==constraints.mandatory&&null!==constraints.mandatory&&constraints.mandatory.constructor!==Object,invalidConstraits|=constraints.hasOwnProperty("optional")&&void 0!==constraints.optional&&null!==constraints.optional&&!Array.isArray(constraints.optional))throw new Error("Failed to construct 'RTCPeerConnection': Malformed constraints object")}AdapterJS.WebRTCPlugin.WaitForPluginReady();var iceServers=null;if(servers&&Array.isArray(servers.iceServers)){iceServers=servers.iceServers;for(var i=0;i<iceServers.length;i++)iceServers[i].urls&&!iceServers[i].url&&(iceServers[i].url=iceServers[i].urls),iceServers[i].hasCredentials=AdapterJS.isDefined(iceServers[i].username)&&AdapterJS.isDefined(iceServers[i].credential)}if(AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION&&AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION>1)return iceServers&&(servers.iceServers=iceServers),AdapterJS.WebRTCPlugin.plugin.PeerConnection(servers);var mandatory=constraints&&constraints.mandatory?constraints.mandatory:null,optional=constraints&&constraints.optional?constraints.optional:null;return AdapterJS.WebRTCPlugin.plugin.PeerConnection(AdapterJS.WebRTCPlugin.pageId,iceServers,mandatory,optional)},MediaStreamTrack=function(){},MediaStreamTrack.getSources=function(callback){AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.GetSources(callback)})};var constraintsToPlugin=function(c){if("object"!=typeof c||c.mandatory||c.optional)return c;var cc={};return Object.keys(c).forEach(function(key){if("require"!==key&&"advanced"!==key&&"mediaSource"!==key){var r="object"==typeof c[key]?c[key]:{ideal:c[key]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);var oldname=function(prefix,name){return prefix?prefix+name.charAt(0).toUpperCase()+name.slice(1):"deviceId"===name?"sourceId":name};if(void 0!==r.ideal){cc.optional=cc.optional||[];var oc={};"number"==typeof r.ideal?(oc[oldname("min",key)]=r.ideal,cc.optional.push(oc),oc={},oc[oldname("max",key)]=r.ideal,cc.optional.push(oc)):(oc[oldname("",key)]=r.ideal,cc.optional.push(oc))}void 0!==r.exact&&"number"!=typeof r.exact?(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname("",key)]=r.exact):["min","max"].forEach(function(mix){void 0!==r[mix]&&(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname(mix,key)]=r[mix])})}}),c.advanced&&(cc.optional=(cc.optional||[]).concat(c.advanced)),cc};getUserMedia=function(constraints,successCallback,failureCallback){var cc={};cc.audio=!!constraints.audio&&constraintsToPlugin(constraints.audio),cc.video=!!constraints.video&&constraintsToPlugin(constraints.video),AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.getUserMedia(cc,successCallback,failureCallback)})},window.navigator.getUserMedia=getUserMedia,navigator.mediaDevices||"undefined"==typeof Promise||(requestUserMedia=function(constraints){return new Promise(function(resolve,reject){getUserMedia(constraints,resolve,reject)})},navigator.mediaDevices={getUserMedia:requestUserMedia,enumerateDevices:function(){return new Promise(function(resolve){var kinds={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(devices){resolve(devices.map(function(device){return{label:device.label,kind:kinds[device.kind],id:device.id,deviceId:device.id,groupId:""}}))})})}}),attachMediaStream=function(element,stream){if(element&&element.parentNode){var streamId;null===stream?streamId="":(void 0!==stream.enableSoundTracks&&stream.enableSoundTracks(!0),streamId=stream.id);var elementId=0===element.id.length?Math.random().toString(36).slice(2):element.id,nodeName=element.nodeName.toLowerCase();if("object"!==nodeName){var tag;switch(nodeName){case"audio":tag=AdapterJS.WebRTCPlugin.TAGS.AUDIO;break;case"video":tag=AdapterJS.WebRTCPlugin.TAGS.VIDEO;break;default:tag=AdapterJS.WebRTCPlugin.TAGS.NONE}var frag=document.createDocumentFragment(),temp=document.createElement("div"),classHTML="";for(element.className?classHTML='class="'+element.className+'" ':element.attributes&&element.attributes.class&&(classHTML='class="'+element.attributes.class.value+'" '),temp.innerHTML='<object id="'+elementId+'" '+classHTML+'type="'+AdapterJS.WebRTCPlugin.pluginInfo.type+'"><param name="pluginId" value="'+elementId+'" /> <param name="pageId" value="'+AdapterJS.WebRTCPlugin.pageId+'" /> <param name="windowless" value="true" /> <param name="streamId" value="'+streamId+'" /> <param name="tag" value="'+tag+'" /> </object>';temp.firstChild;)frag.appendChild(temp.firstChild);var height="",width="";element.clientWidth||element.clientHeight?(width=element.clientWidth,height=element.clientHeight):(element.width||element.height)&&(width=element.width,height=element.height),element.parentNode.insertBefore(frag,element),frag=document.getElementById(elementId),frag.width=width,frag.height=height,element.parentNode.removeChild(element)}else{for(var children=element.children,i=0;i!==children.length;++i)if("streamId"===children[i].name){children[i].value=streamId;break}element.setStreamId(streamId)}var newElement=document.getElementById(elementId);return AdapterJS.forwardEventHandlers(newElement,element,Object.getPrototypeOf(element)),newElement}},reattachMediaStream=function(to,from){for(var stream=null,children=from.children,i=0;i!==children.length;++i)if("streamId"===children[i].name){AdapterJS.WebRTCPlugin.WaitForPluginReady(),stream=AdapterJS.WebRTCPlugin.plugin.getStreamWithId(AdapterJS.WebRTCPlugin.pageId,children[i].value);break}if(null!==stream)return attachMediaStream(to,stream)},window.attachMediaStream=attachMediaStream,window.reattachMediaStream=reattachMediaStream,window.getUserMedia=getUserMedia,AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,AdapterJS.forwardEventHandlers=function(destElem,srcElem,prototype){var properties=Object.getOwnPropertyNames(prototype);for(var prop in properties)if(prop){var propName=properties[prop];"function"==typeof propName.slice&&"on"===propName.slice(0,2)&&"function"==typeof srcElem[propName]&&AdapterJS.addEvent(destElem,propName.slice(2),srcElem[propName])}var subPrototype=Object.getPrototypeOf(prototype);subPrototype&&AdapterJS.forwardEventHandlers(destElem,srcElem,subPrototype)},RTCIceCandidate=function(candidate){return candidate.sdpMid||(candidate.sdpMid=""),AdapterJS.WebRTCPlugin.WaitForPluginReady(),AdapterJS.WebRTCPlugin.plugin.ConstructIceCandidate(candidate.sdpMid,candidate.sdpMLineIndex,candidate.candidate)},AdapterJS.addEvent(document,"readystatechange",AdapterJS.WebRTCPlugin.injectPlugin),AdapterJS.WebRTCPlugin.injectPlugin()}},AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb=AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb||function(){AdapterJS.addEvent(document,"readystatechange",AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv),AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv()},AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv=function(){if(!AdapterJS.options.hidePluginInstallPrompt){var downloadLink=AdapterJS.WebRTCPlugin.pluginInfo.downloadLink;if(downloadLink){var popupString;popupString=AdapterJS.WebRTCPlugin.pluginInfo.portalLink?'This website requires you to install the <a href="'+AdapterJS.WebRTCPlugin.pluginInfo.portalLink+'" target="_blank">'+AdapterJS.WebRTCPlugin.pluginInfo.companyName+" WebRTC Plugin</a> to work on this browser.":AdapterJS.TEXT.PLUGIN.REQUIRE_INSTALLATION,AdapterJS.renderNotificationBar(popupString,AdapterJS.TEXT.PLUGIN.BUTTON,function(){window.open(downloadLink,"_top");var pluginInstallInterval=setInterval(function(){isIE||navigator.plugins.refresh(!1),AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,AdapterJS.WebRTCPlugin.pluginInfo.type,function(){clearInterval(pluginInstallInterval),AdapterJS.WebRTCPlugin.defineWebRTCInterface()},function(){})},500)})}else AdapterJS.renderNotificationBar(AdapterJS.TEXT.PLUGIN.NOT_SUPPORTED)}},AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,AdapterJS.WebRTCPlugin.pluginInfo.type,AdapterJS.WebRTCPlugin.defineWebRTCInterface,AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb)):(!function(f){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=f();else if("function"==typeof define&&define.amd)define([],f);else{var g;g="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,g.adapter=f()}}(function(){return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a="function"==typeof require&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n||e)},l,l.exports,e,t,n,r)}return n[o].exports}for(var i="function"==typeof require&&require,o=0;o<r.length;o++)s(r[o]);return s}({1:[function(requirecopy,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){return blob.split("\nm=").map(function(part,index){return(index>0?"m="+part:part).trim()+"\r\n"})},SDPUtils.matchPrefix=function(blob,prefix){return SDPUtils.splitLines(blob).filter(function(line){return 0===line.indexOf(prefix)})},SDPUtils.parseCandidate=function(line){var parts;parts=0===line.indexOf("a=candidate:")?line.substring(12).split(" "):line.substring(10).split(" ");for(var candidate={foundation:parts[0],component:parts[1],protocol:parts[2].toLowerCase(),priority:parseInt(parts[3],10),ip:parts[4],port:parseInt(parts[5],10),type:parts[7]},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]}return candidate},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;return sdp.push("typ"),sdp.push(type),"host"!==type&&candidate.relatedAddress&&candidate.relatedPort&&(sdp.push("raddr"),sdp.push(candidate.relatedAddress),sdp.push("rport"),sdp.push(candidate.relatedPort)),candidate.tcpType&&"tcp"===candidate.protocol.toLowerCase()&&(sdp.push("tcptype"),sdp.push(candidate.tcpType)),"candidate:"+sdp.join(" ")},SDPUtils.parseRtpMap=function(line){var parts=line.substr(9).split(" "),parsed={payloadType:parseInt(parts.shift(),10)};return parts=parts[0].split("/"),parsed.name=parts[0],parsed.clockRate=parseInt(parts[1],10),parsed.numChannels=3===parts.length?parseInt(parts[2],10):1,parsed},SDPUtils.writeRtpMap=function(codec){var pt=codec.payloadType;return void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),"a=rtpmap:"+pt+" "+codec.name+"/"+codec.clockRate+(1!==codec.numChannels?"/"+codec.numChannels:"")+"\r\n"},SDPUtils.parseExtmap=function(line){var parts=line.substr(9).split(" ");return{id:parseInt(parts[0],10),uri:parts[1]}},SDPUtils.writeExtmap=function(headerExtension){return"a=extmap:"+(headerExtension.id||headerExtension.preferredId)+" "+headerExtension.uri+"\r\n"},SDPUtils.parseFmtp=function(line){for(var kv,parsed={},parts=line.substr(line.indexOf(" ")+1).split(";"),j=0;j<parts.length;j++)kv=parts[j].trim().split("="),parsed[kv[0].trim()]=kv[1];return parsed},SDPUtils.writeFmtp=function(codec){var line="",pt=codec.payloadType;if(void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),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},SDPUtils.parseRtcpFb=function(line){var parts=line.substr(line.indexOf(" ")+1).split(" ");return{type:parts.shift(),parameter:parts.join(" ")}},SDPUtils.writeRtcpFb=function(codec){var lines="",pt=codec.payloadType;return void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),codec.rtcpFeedback&&codec.rtcpFeedback.length&&codec.rtcpFeedback.forEach(function(fb){lines+="a=rtcp-fb:"+pt+" "+fb.type+(fb.parameter&&fb.parameter.length?" "+fb.parameter:"")+"\r\n"}),lines},SDPUtils.parseSsrcMedia=function(line){var sp=line.indexOf(" "),parts={ssrc:parseInt(line.substr(7,sp-7),10)},colon=line.indexOf(":",sp);return colon>-1?(parts.attribute=line.substr(sp+1,colon-sp-1),parts.value=line.substr(colon+1)):parts.attribute=line.substr(sp+1),parts},SDPUtils.getMid=function(mediaSection){var mid=SDPUtils.matchPrefix(mediaSection,"a=mid:")[0];if(mid)return mid.substr(6)},SDPUtils.getDtlsParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);lines=lines.concat(SDPUtils.splitLines(sessionpart));var fpLine=lines.filter(function(line){return 0===line.indexOf("a=fingerprint:")})[0].substr(14);return{role:"auto",fingerprints:[{algorithm:fpLine.split(" ")[0].toLowerCase(),value:fpLine.split(" ")[1]}]}},SDPUtils.writeDtlsParameters=function(params,setupType){var sdp="a=setup:"+setupType+"\r\n";return params.fingerprints.forEach(function(fp){sdp+="a=fingerprint:"+fp.algorithm+" "+fp.value+"\r\n"}),sdp},SDPUtils.getIceParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);return lines=lines.concat(SDPUtils.splitLines(sessionpart)),{usernameFragment:lines.filter(function(line){return 0===line.indexOf("a=ice-ufrag:")})[0].substr(12),password:lines.filter(function(line){return 0===line.indexOf("a=ice-pwd:")})[0].substr(10)}},SDPUtils.writeIceParameters=function(params){return"a=ice-ufrag:"+params.usernameFragment+"\r\na=ice-pwd:"+params.password+"\r\n"},SDPUtils.parseRtpParameters=function(mediaSection){for(var description={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},lines=SDPUtils.splitLines(mediaSection),mline=lines[0].split(" "),i=3;i<mline.length;i++){var pt=mline[i],rtpmapline=SDPUtils.matchPrefix(mediaSection,"a=rtpmap:"+pt+" ")[0];if(rtpmapline){var codec=SDPUtils.parseRtpMap(rtpmapline),fmtps=SDPUtils.matchPrefix(mediaSection,"a=fmtp:"+pt+" ");switch(codec.parameters=fmtps.length?SDPUtils.parseFmtp(fmtps[0]):{},codec.rtcpFeedback=SDPUtils.matchPrefix(mediaSection,"a=rtcp-fb:"+pt+" ").map(SDPUtils.parseRtcpFb),description.codecs.push(codec),codec.name.toUpperCase()){case"RED":case"ULPFEC":description.fecMechanisms.push(codec.name.toUpperCase())}}}return SDPUtils.matchPrefix(mediaSection,"a=extmap:").forEach(function(line){description.headerExtensions.push(SDPUtils.parseExtmap(line))}),description},SDPUtils.writeRtpDescription=function(kind,caps){var sdp="";sdp+="m="+kind+" ",sdp+=caps.codecs.length>0?"9":"0",sdp+=" UDP/TLS/RTP/SAVPF ",sdp+=caps.codecs.map(function(codec){return void 0!==codec.preferredPayloadType?codec.preferredPayloadType: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
+;return caps.codecs.forEach(function(codec){codec.maxptime>maxptime&&(maxptime=codec.maxptime)}),maxptime>0&&(sdp+="a=maxptime:"+maxptime+"\r\n"),sdp+="a=rtcp-mux\r\n",caps.headerExtensions.forEach(function(extension){sdp+=SDPUtils.writeExtmap(extension)}),sdp},SDPUtils.parseRtpEncodingParameters=function(mediaSection){var secondarySsrc,encodingParameters=[],description=SDPUtils.parseRtpParameters(mediaSection),hasRed=-1!==description.fecMechanisms.indexOf("RED"),hasUlpfec=-1!==description.fecMechanisms.indexOf("ULPFEC"),ssrcs=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(parts){return"cname"===parts.attribute}),primarySsrc=ssrcs.length>0&&ssrcs[0].ssrc,flows=SDPUtils.matchPrefix(mediaSection,"a=ssrc-group:FID").map(function(line){var parts=line.split(" ");return parts.shift(),parts.map(function(part){return parseInt(part,10)})});flows.length>0&&flows[0].length>1&&flows[0][0]===primarySsrc&&(secondarySsrc=flows[0][1]),description.codecs.forEach(function(codec){if("RTX"===codec.name.toUpperCase()&&codec.parameters.apt){var encParam={ssrc:primarySsrc,codecPayloadType:parseInt(codec.parameters.apt,10),rtx:{ssrc:secondarySsrc}};encodingParameters.push(encParam),hasRed&&(encParam=JSON.parse(JSON.stringify(encParam)),encParam.fec={ssrc:secondarySsrc,mechanism:hasUlpfec?"red+ulpfec":"red"},encodingParameters.push(encParam))}}),0===encodingParameters.length&&primarySsrc&&encodingParameters.push({ssrc:primarySsrc});var bandwidth=SDPUtils.matchPrefix(mediaSection,"b=");return bandwidth.length&&(0===bandwidth[0].indexOf("b=TIAS:")?bandwidth=parseInt(bandwidth[0].substr(7),10):0===bandwidth[0].indexOf("b=AS:")&&(bandwidth=parseInt(bandwidth[0].substr(5),10)),encodingParameters.forEach(function(params){params.maxBitrate=bandwidth})),encodingParameters},SDPUtils.parseRtcpParameters=function(mediaSection){var rtcpParameters={},remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return"cname"===obj.attribute})[0];remoteSsrc&&(rtcpParameters.cname=remoteSsrc.value,rtcpParameters.ssrc=remoteSsrc.ssrc);var rsize=SDPUtils.matchPrefix(mediaSection,"a=rtcp-rsize");rtcpParameters.reducedSize=rsize.length>0,rtcpParameters.compound=0===rsize.length;var mux=SDPUtils.matchPrefix(mediaSection,"a=rtcp-mux");return rtcpParameters.mux=mux.length>0,rtcpParameters},SDPUtils.parseMsid=function(mediaSection){var parts,spec=SDPUtils.matchPrefix(mediaSection,"a=msid:");if(1===spec.length)return parts=spec[0].substr(7).split(" "),{stream:parts[0],track:parts[1]};var planB=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(parts){return"msid"===parts.attribute});return planB.length>0?(parts=planB[0].value.split(" "),{stream:parts[0],track:parts[1]}):void 0},SDPUtils.writeSessionBoilerplate=function(){return"v=0\r\no=thisisadapterortc 8169639915646943137 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},SDPUtils.writeMediaSection=function(transceiver,caps,type,stream){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);if(sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters()),sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),"offer"===type?"actpass":"active"),sdp+="a=mid:"+transceiver.mid+"\r\n",transceiver.rtpSender&&transceiver.rtpReceiver?sdp+="a=sendrecv\r\n":transceiver.rtpSender?sdp+="a=sendonly\r\n":transceiver.rtpReceiver?sdp+="a=recvonly\r\n":sdp+="a=inactive\r\n",transceiver.rtpSender){var msid="msid:"+stream.id+" "+transceiver.rtpSender.track.id+"\r\n";sdp+="a="+msid,sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" "+msid,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")}return sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" cname:"+SDPUtils.localCName+"\r\n",transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx&&(sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" cname:"+SDPUtils.localCName+"\r\n"),sdp},SDPUtils.getDirection=function(mediaSection,sessionpart){for(var lines=SDPUtils.splitLines(mediaSection),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)}return sessionpart?SDPUtils.getDirection(sessionpart):"sendrecv"},SDPUtils.getKind=function(mediaSection){return SDPUtils.splitLines(mediaSection)[0].split(" ")[0].substr(2)},SDPUtils.isRejected=function(mediaSection){return"0"===mediaSection.split(" ",2)[1]},module.exports=SDPUtils},{}],2:[function(requirecopy,module,exports){"use strict";!function(){var logging=requirecopy("./utils").log,browserDetails=requirecopy("./utils").browserDetails;module.exports.browserDetails=browserDetails,module.exports.extractVersion=requirecopy("./utils").extractVersion,module.exports.disableLog=requirecopy("./utils").disableLog;var chromeShim=requirecopy("./chrome/chrome_shim")||null,edgeShim=requirecopy("./edge/edge_shim")||null,firefoxShim=requirecopy("./firefox/firefox_shim")||null,safariShim=requirecopy("./safari/safari_shim")||null;switch(browserDetails.browser){case"opera":case"chrome":if(!chromeShim||!chromeShim.shimPeerConnection)return void logging("Chrome shim is not included in this adapter release.");logging("adapter.js shimming chrome."),module.exports.browserShim=chromeShim,chromeShim.shimGetUserMedia(),chromeShim.shimMediaStream(),chromeShim.shimSourceObject(),chromeShim.shimPeerConnection(),chromeShim.shimOnTrack();break;case"firefox":if(!firefoxShim||!firefoxShim.shimPeerConnection)return void logging("Firefox shim is not included in this adapter release.");logging("adapter.js shimming firefox."),module.exports.browserShim=firefoxShim,firefoxShim.shimGetUserMedia(),firefoxShim.shimSourceObject(),firefoxShim.shimPeerConnection(),firefoxShim.shimOnTrack();break;case"edge":if(!edgeShim||!edgeShim.shimPeerConnection)return void logging("MS edge shim is not included in this adapter release.");logging("adapter.js shimming edge."),module.exports.browserShim=edgeShim,edgeShim.shimGetUserMedia(),edgeShim.shimPeerConnection();break;case"safari":if(!safariShim)return void logging("Safari shim is not included in this adapter release.");logging("adapter.js shimming safari."),module.exports.browserShim=safariShim,safariShim.shimGetUserMedia();break;default:logging("Unsupported browser!")}}()},{"./chrome/chrome_shim":3,"./edge/edge_shim":5,"./firefox/firefox_shim":7,"./safari/safari_shim":9,"./utils":10}],3:[function(requirecopy,module,exports){"use strict";var logging=requirecopy("../utils.js").log,browserDetails=requirecopy("../utils.js").browserDetails,chromeShim={shimMediaStream:function(){window.MediaStream=window.MediaStream||window.webkitMediaStream},shimOnTrack:function(){"object"!=typeof window||!window.RTCPeerConnection||"ontrack"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(f){var self=this;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.addEventListener("addtrack",function(te){var event=new Event("track");event.track=te.track,event.receiver={track:te.track},event.streams=[e.stream],self.dispatchEvent(event)}),e.stream.getTracks().forEach(function(track){var event=new Event("track");event.track=track,event.receiver={track:track},event.streams=[e.stream],this.dispatchEvent(event)}.bind(this))}.bind(this))}})},shimSourceObject:function(){"object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this._srcObject},set:function(stream){var self=this;if(this._srcObject=stream,this.src&&URL.revokeObjectURL(this.src),!stream)return void(this.src="");this.src=URL.createObjectURL(stream),stream.addEventListener("addtrack",function(){self.src&&URL.revokeObjectURL(self.src),self.src=URL.createObjectURL(stream)}),stream.addEventListener("removetrack",function(){self.src&&URL.revokeObjectURL(self.src),self.src=URL.createObjectURL(stream)})}}))},shimPeerConnection:function(){window.RTCPeerConnection=function(pcConfig,pcConstraints){logging("PeerConnection"),pcConfig&&pcConfig.iceTransportPolicy&&(pcConfig.iceTransports=pcConfig.iceTransportPolicy);var pc=new webkitRTCPeerConnection(pcConfig,pcConstraints),origGetStats=pc.getStats.bind(pc);return pc.getStats=function(selector,successCallback,errorCallback){var self=this,args=arguments;if(arguments.length>0&&"function"==typeof selector)return origGetStats(selector,successCallback);var fixChromeStats_=function(response){var standardReport={};return response.result().forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name)}),standardReport[standardStats.id]=standardStats}),standardReport},makeMapStats=function(stats,legacyStats){var map=new Map(Object.keys(stats).map(function(key){return[key,stats[key]]}));return legacyStats=legacyStats||stats,Object.keys(legacyStats).forEach(function(key){map[key]=legacyStats[key]}),map};if(arguments.length>=2){var successCallbackWrapper_=function(response){args[1](makeMapStats(fixChromeStats_(response)))};return origGetStats.apply(this,[successCallbackWrapper_,arguments[0]])}return new Promise(function(resolve,reject){1===args.length&&"object"==typeof selector?origGetStats.apply(self,[function(response){resolve(makeMapStats(fixChromeStats_(response)))},reject]):origGetStats.apply(self,[function(response){resolve(makeMapStats(fixChromeStats_(response),response.result()))},reject])}).then(successCallback,errorCallback)},pc},window.RTCPeerConnection.prototype=webkitRTCPeerConnection.prototype,webkitRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return webkitRTCPeerConnection.generateCertificate}}),["createOffer","createAnswer"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){var self=this;if(arguments.length<1||1===arguments.length&&"object"==typeof arguments[0]){var opts=1===arguments.length?arguments[0]:void 0;return new Promise(function(resolve,reject){nativeMethod.apply(self,[resolve,reject,opts])})}return nativeMethod.apply(this,arguments)}}),browserDetails.version<51&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){var args=arguments,self=this,promise=new Promise(function(resolve,reject){nativeMethod.apply(self,[args[0],resolve,reject])});return args.length<2?promise:promise.then(function(){args[1].apply(null,[])},function(err){args.length>=3&&args[2].apply(null,[err])})}}),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){return arguments[0]=new("addIceCandidate"===method?RTCIceCandidate:RTCSessionDescription)(arguments[0]),nativeMethod.apply(this,arguments)}});var nativeAddIceCandidate=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){return null===arguments[0]?Promise.resolve():nativeAddIceCandidate.apply(this,arguments)}}};module.exports={shimMediaStream:chromeShim.shimMediaStream,shimOnTrack:chromeShim.shimOnTrack,shimSourceObject:chromeShim.shimSourceObject,shimPeerConnection:chromeShim.shimPeerConnection,shimGetUserMedia:requirecopy("./getusermedia")}},{"../utils.js":10,"./getusermedia":4}],4:[function(requirecopy,module,exports){"use strict";var logging=requirecopy("../utils.js").log;module.exports=function(){var constraintsToChrome_=function(c){if("object"!=typeof c||c.mandatory||c.optional)return c;var cc={};return Object.keys(c).forEach(function(key){if("require"!==key&&"advanced"!==key&&"mediaSource"!==key){var r="object"==typeof c[key]?c[key]:{ideal:c[key]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);var oldname_=function(prefix,name){return prefix?prefix+name.charAt(0).toUpperCase()+name.slice(1):"deviceId"===name?"sourceId":name};if(void 0!==r.ideal){cc.optional=cc.optional||[];var oc={};"number"==typeof r.ideal?(oc[oldname_("min",key)]=r.ideal,cc.optional.push(oc),oc={},oc[oldname_("max",key)]=r.ideal,cc.optional.push(oc)):(oc[oldname_("",key)]=r.ideal,cc.optional.push(oc))}void 0!==r.exact&&"number"!=typeof r.exact?(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname_("",key)]=r.exact):["min","max"].forEach(function(mix){void 0!==r[mix]&&(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname_(mix,key)]=r[mix])})}}),c.advanced&&(cc.optional=(cc.optional||[]).concat(c.advanced)),cc},shimConstraints_=function(constraints,func){if(constraints=JSON.parse(JSON.stringify(constraints)),constraints&&constraints.audio&&(constraints.audio=constraintsToChrome_(constraints.audio)),constraints&&"object"==typeof constraints.video){var face=constraints.video.facingMode;if((face=face&&("object"==typeof face?face:{ideal:face}))&&("user"===face.exact||"environment"===face.exact||"user"===face.ideal||"environment"===face.ideal)&&(!navigator.mediaDevices.getSupportedConstraints||!navigator.mediaDevices.getSupportedConstraints().facingMode)&&(delete constraints.video.facingMode,"environment"===face.exact||"environment"===face.ideal))return navigator.mediaDevices.enumerateDevices().then(function(devices){devices=devices.filter(function(d){return"videoinput"===d.kind});var back=devices.find(function(d){return-1!==d.label.toLowerCase().indexOf("back")})||devices.length&&devices[devices.length-1];return back&&(constraints.video.deviceId=face.exact?{exact:back.deviceId}:{ideal:back.deviceId}),constraints.video=constraintsToChrome_(constraints.video),logging("chrome: "+JSON.stringify(constraints)),func(constraints)});constraints.video=constraintsToChrome_(constraints.video)}return logging("chrome: "+JSON.stringify(constraints)),func(constraints)},shimError_=function(e){return{name:{PermissionDeniedError:"NotAllowedError",ConstraintNotSatisfiedError:"OverconstrainedError"}[e.name]||e.name,message:e.message,constraint:e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}},getUserMedia_=function(constraints,onSuccess,onError){shimConstraints_(constraints,function(c){navigator.webkitGetUserMedia(c,onSuccess,function(e){onError(shimError_(e))})})};navigator.getUserMedia=getUserMedia_;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 MediaStreamTrack.getSources(function(devices){resolve(devices.map(function(device){return{label:device.label,kind:kinds[device.kind],deviceId:device.id,groupId:""}}))})})}}),navigator.mediaDevices.getUserMedia){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(cs){return shimConstraints_(cs,function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e))})})}}else navigator.mediaDevices.getUserMedia=function(constraints){return getUserMediaPromise_(constraints)};void 0===navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){logging("Dummy mediaDevices.addEventListener called.")}),void 0===navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){logging("Dummy mediaDevices.removeEventListener called.")})}},{"../utils.js":10}],5:[function(requirecopy,module,exports){"use strict";var SDPUtils=requirecopy("sdp"),browserDetails=requirecopy("../utils").browserDetails,edgeShim={shimPeerConnection:function(){window.RTCIceGatherer&&(window.RTCIceCandidate||(window.RTCIceCandidate=function(args){return args}),window.RTCSessionDescription||(window.RTCSessionDescription=function(args){return args})),window.RTCPeerConnection=function(config){var self=this,_eventTarget=document.createDocumentFragment();if(["addEventListener","removeEventListener","dispatchEvent"].forEach(function(method){self[method]=_eventTarget[method].bind(_eventTarget)}),this.onicecandidate=null,this.onaddstream=null,this.ontrack=null,this.onremovestream=null,this.onsignalingstatechange=null,this.oniceconnectionstatechange=null,this.onnegotiationneeded=null,this.ondatachannel=null,this.localStreams=[],this.remoteStreams=[],this.getLocalStreams=function(){return self.localStreams},this.getRemoteStreams=function(){return self.remoteStreams},this.localDescription=new RTCSessionDescription({type:"",sdp:""}),this.remoteDescription=new RTCSessionDescription({type:"",sdp:""}),this.signalingState="stable",this.iceConnectionState="new",this.iceGatheringState="new",this.iceOptions={gatherPolicy:"all",iceServers:[]},config&&config.iceTransportPolicy)switch(config.iceTransportPolicy){case"all":case"relay":this.iceOptions.gatherPolicy=config.iceTransportPolicy;break;case"none":throw new TypeError('iceTransportPolicy "none" not supported')}if(this.usingBundle=config&&"max-bundle"===config.bundlePolicy,config&&config.iceServers){var iceServers=JSON.parse(JSON.stringify(config.iceServers));this.iceOptions.iceServers=iceServers.filter(function(server){if(server&&server.urls){var urls=server.urls;return"string"==typeof urls&&(urls=[urls]),!!(urls=urls.filter(function(url){return 0===url.indexOf("turn:")&&-1!==url.indexOf("transport=udp")&&-1===url.indexOf("turn:[")||0===url.indexOf("stun:")&&browserDetails.version>=14393})[0])}return!1})}this.transceivers=[],this._localIceCandidatesBuffer=[]},window.RTCPeerConnection.prototype._emitBufferedCandidates=function(){var self=this,sections=SDPUtils.splitSections(self.localDescription.sdp);this._localIceCandidatesBuffer.forEach(function(event){if(event.candidate&&0!==Object.keys(event.candidate).length)-1===event.candidate.candidate.indexOf("typ endOfCandidates")&&(sections[event.candidate.sdpMLineIndex+1]+="a="+event.candidate.candidate+"\r\n");else for(var j=1;j<sections.length;j++)-1===sections[j].indexOf("\r\na=end-of-candidates\r\n")&&(sections[j]+="a=end-of-candidates\r\n");if(self.localDescription.sdp=sections.join(""),self.dispatchEvent(event),null!==self.onicecandidate&&self.onicecandidate(event),!event.candidate&&"complete"!==self.iceGatheringState){self.transceivers.every(function(transceiver){return transceiver.iceGatherer&&"completed"===transceiver.iceGatherer.state})&&(self.iceGatheringState="complete")}}),this._localIceCandidatesBuffer=[]},window.RTCPeerConnection.prototype.addStream=function(stream){this.localStreams.push(stream.clone()),this._maybeFireNegotiationNeeded()},window.RTCPeerConnection.prototype.removeStream=function(stream){var idx=this.localStreams.indexOf(stream);idx>-1&&(this.localStreams.splice(idx,1),this._maybeFireNegotiationNeeded())},window.RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpSender}).map(function(transceiver){return transceiver.rtpSender})},window.RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpReceiver}).map(function(transceiver){return transceiver.rtpReceiver})},window.RTCPeerConnection.prototype._getCommonCapabilities=function(localCapabilities,remoteCapabilities){var commonCapabilities={codecs:[],headerExtensions:[],fecMechanisms:[]};return 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&&lCodec.numChannels===rCodec.numChannels){commonCapabilities.codecs.push(rCodec),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!0;return!1});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}}}),commonCapabilities},window.RTCPeerConnection.prototype._createIceAndDtlsTransports=function(mid,sdpMLineIndex){var self=this,iceGatherer=new RTCIceGatherer(self.iceOptions),iceTransport=new RTCIceTransport(iceGatherer);iceGatherer.onlocalcandidate=function(evt){var event=new Event("icecandidate");event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate,end=!cand||0===Object.keys(cand).length;end?(void 0===iceGatherer.state&&(iceGatherer.state="completed"),event.candidate.candidate="candidate:1 1 udp 1 0.0.0.0 9 typ endOfCandidates"):(cand.component="RTCP"===iceTransport.component?2:1,event.candidate.candidate=SDPUtils.writeCandidate(cand));var sections=SDPUtils.splitSections(self.localDescription.sdp);-1===event.candidate.candidate.indexOf("typ endOfCandidates")?sections[event.candidate.sdpMLineIndex+1]+="a="+event.candidate.candidate+"\r\n":sections[event.candidate.sdpMLineIndex+1]+="a=end-of-candidates\r\n",self.localDescription.sdp=sections.join("");var complete=self.transceivers.every(function(transceiver){return transceiver.iceGatherer&&"completed"===transceiver.iceGatherer.state});switch(self.iceGatheringState){case"new":self._localIceCandidatesBuffer.push(event),end&&complete&&self._localIceCandidatesBuffer.push(new Event("icecandidate"));break;case"gathering":self._emitBufferedCandidates(),self.dispatchEvent(event),null!==self.onicecandidate&&self.onicecandidate(event),complete&&(self.dispatchEvent(new Event("icecandidate")),null!==self.onicecandidate&&self.onicecandidate(new Event("icecandidate")),self.iceGatheringState="complete")}},iceTransport.onicestatechange=function(){self._updateConnectionState()};var dtlsTransport=new RTCDtlsTransport(iceTransport);return dtlsTransport.ondtlsstatechange=function(){self._updateConnectionState()},dtlsTransport.onerror=function(){dtlsTransport.state="failed",self._updateConnectionState()},{iceGatherer:iceGatherer,iceTransport:iceTransport,dtlsTransport:dtlsTransport}},window.RTCPeerConnection.prototype._transceive=function(transceiver,send,recv){var params=this._getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);send&&transceiver.rtpSender&&(params.encodings=transceiver.sendEncodingParameters,params.rtcp={cname:SDPUtils.localCName},transceiver.recvEncodingParameters.length&&(params.rtcp.ssrc=transceiver.recvEncodingParameters[0].ssrc),transceiver.rtpSender.send(params)),recv&&transceiver.rtpReceiver&&(params.encodings=transceiver.recvEncodingParameters,params.rtcp={cname:transceiver.cname},transceiver.sendEncodingParameters.length&&(params.rtcp.ssrc=transceiver.sendEncodingParameters[0].ssrc),transceiver.rtpReceiver.receive(params))},window.RTCPeerConnection.prototype.setLocalDescription=function(description){var sections,sessionpart,self=this;if("offer"===description.type)this._pendingOffer&&(sections=SDPUtils.splitSections(description.sdp),sessionpart=sections.shift(),sections.forEach(function(mediaSection,sdpMLineIndex){var caps=SDPUtils.parseRtpParameters(mediaSection);self._pendingOffer[sdpMLineIndex].localCapabilities=caps}),this.transceivers=this._pendingOffer,delete this._pendingOffer);else if("answer"===description.type){sections=SDPUtils.splitSections(self.remoteDescription.sdp),sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,"a=ice-lite").length>0;sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver=self.transceivers[sdpMLineIndex],iceGatherer=transceiver.iceGatherer,iceTransport=transceiver.iceTransport,dtlsTransport=transceiver.dtlsTransport,localCapabilities=transceiver.localCapabilities,remoteCapabilities=transceiver.remoteCapabilities;if("0"!==mediaSection.split("\n",1)[0].split(" ",2)[1]&&!transceiver.isDatachannel){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);if(isIceLite){var cands=SDPUtils.matchPrefix(mediaSection,"a=candidate:").map(function(cand){return SDPUtils.parseCandidate(cand)}).filter(function(cand){return"1"===cand.component});cands.length&&iceTransport.setRemoteCandidates(cands)}var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);isIceLite&&(remoteDtlsParameters.role="server"),self.usingBundle&&0!==sdpMLineIndex||(iceTransport.start(iceGatherer,remoteIceParameters,isIceLite?"controlling":"controlled"),dtlsTransport.start(remoteDtlsParameters));var params=self._getCommonCapabilities(localCapabilities,remoteCapabilities);self._transceive(transceiver,params.codecs.length>0,!1)}})}switch(this.localDescription={type:description.type,sdp:description.sdp},description.type){case"offer":this._updateSignalingState("have-local-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+description.type+'"')}var hasCallback=arguments.length>1&&"function"==typeof arguments[1];if(hasCallback){var cb=arguments[1];window.setTimeout(function(){cb(),"new"===self.iceGatheringState&&(self.iceGatheringState="gathering"),self._emitBufferedCandidates()},0)}var p=Promise.resolve();return p.then(function(){hasCallback||("new"===self.iceGatheringState&&(self.iceGatheringState="gathering"),window.setTimeout(self._emitBufferedCandidates.bind(self),500))}),p},window.RTCPeerConnection.prototype.setRemoteDescription=function(description){var self=this,stream=new MediaStream,receiverList=[],sections=SDPUtils.splitSections(description.sdp),sessionpart=sections.shift(),isIceLite=SDPUtils.matchPrefix(sessionpart,"a=ice-lite").length>0;switch(this.usingBundle=SDPUtils.matchPrefix(sessionpart,"a=group:BUNDLE ").length>0,sections.forEach(function(mediaSection,sdpMLineIndex){var lines=SDPUtils.splitLines(mediaSection),mline=lines[0].substr(2).split(" "),kind=mline[0],rejected="0"===mline[1],direction=SDPUtils.getDirection(mediaSection,sessionpart),mid=SDPUtils.matchPrefix(mediaSection,"a=mid:");if(mid=mid.length?mid[0].substr(6):SDPUtils.generateIdentifier(),"application"===kind&&"DTLS/SCTP"===mline[2])return void(self.transceivers[sdpMLineIndex]={mid:mid,isDatachannel:!0});var transceiver,iceGatherer,iceTransport,dtlsTransport,rtpSender,rtpReceiver,sendEncodingParameters,recvEncodingParameters,localCapabilities,track,remoteIceParameters,remoteDtlsParameters,remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);rejected||(remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart),remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart),remoteDtlsParameters.role="client"),recvEncodingParameters=SDPUtils.parseRtpEncodingParameters(mediaSection);var cname,remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return"cname"===obj.attribute})[0];remoteSsrc&&(cname=remoteSsrc.value);var isComplete=SDPUtils.matchPrefix(mediaSection,"a=end-of-candidates",sessionpart).length>0,cands=SDPUtils.matchPrefix(mediaSection,"a=candidate:").map(function(cand){return SDPUtils.parseCandidate(cand)}).filter(function(cand){return"1"===cand.component});if("offer"!==description.type||rejected)"answer"!==description.type||rejected||(transceiver=self.transceivers[sdpMLineIndex],iceGatherer=transceiver.iceGatherer,iceTransport=transceiver.iceTransport,dtlsTransport=transceiver.dtlsTransport,rtpSender=transceiver.rtpSender,rtpReceiver=transceiver.rtpReceiver,sendEncodingParameters=transceiver.sendEncodingParameters,localCapabilities=transceiver.localCapabilities,self.transceivers[sdpMLineIndex].recvEncodingParameters=recvEncodingParameters,self.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities,self.transceivers[sdpMLineIndex].cname=cname,(isIceLite||isComplete)&&cands.length&&iceTransport.setRemoteCandidates(cands),self.usingBundle&&0!==sdpMLineIndex||(iceTransport.start(iceGatherer,remoteIceParameters,"controlling"),dtlsTransport.start(remoteDtlsParameters)),self._transceive(transceiver,"sendrecv"===direction||"recvonly"===direction,"sendrecv"===direction||"sendonly"===direction),!rtpReceiver||"sendrecv"!==direction&&"sendonly"!==direction?delete transceiver.rtpReceiver:(track=rtpReceiver.track,receiverList.push([track,rtpReceiver]),stream.addTrack(track)));else{var transports=self.usingBundle&&sdpMLineIndex>0?{iceGatherer:self.transceivers[0].iceGatherer,iceTransport:self.transceivers[0].iceTransport,dtlsTransport:self.transceivers[0].dtlsTransport}:self._createIceAndDtlsTransports(mid,sdpMLineIndex);if(isComplete&&transports.iceTransport.setRemoteCandidates(cands),localCapabilities=RTCRtpReceiver.getCapabilities(kind),sendEncodingParameters=[{ssrc:1001*(2*sdpMLineIndex+2)}],rtpReceiver=new RTCRtpReceiver(transports.dtlsTransport,kind),track=rtpReceiver.track,receiverList.push([track,rtpReceiver]),stream.addTrack(track),self.localStreams.length>0&&self.localStreams[0].getTracks().length>=sdpMLineIndex){var localTrack;"audio"===kind?localTrack=self.localStreams[0].getAudioTracks()[0]:"video"===kind&&(localTrack=self.localStreams[0].getVideoTracks()[0]),localTrack&&(rtpSender=new RTCRtpSender(localTrack,transports.dtlsTransport))}self.transceivers[sdpMLineIndex]={iceGatherer:transports.iceGatherer,iceTransport:transports.iceTransport,dtlsTransport:transports.dtlsTransport,localCapabilities:localCapabilities,remoteCapabilities:remoteCapabilities,rtpSender:rtpSender,rtpReceiver:rtpReceiver,kind:kind,mid:mid,cname:cname,sendEncodingParameters:sendEncodingParameters,recvEncodingParameters:recvEncodingParameters},self._transceive(self.transceivers[sdpMLineIndex],!1,"sendrecv"===direction||"sendonly"===direction)}}),this.remoteDescription={type:description.type,sdp:description.sdp},description.type){case"offer":this._updateSignalingState("have-remote-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+description.type+'"')}return stream.getTracks().length&&(self.remoteStreams.push(stream),window.setTimeout(function(){var event=new Event("addstream");event.stream=stream,self.dispatchEvent(event),null!==self.onaddstream&&window.setTimeout(function(){self.onaddstream(event)},0),receiverList.forEach(function(item){var track=item[0],receiver=item[1],trackEvent=new Event("track");trackEvent.track=track,trackEvent.receiver=receiver,trackEvent.streams=[stream],self.dispatchEvent(event),null!==self.ontrack&&window.setTimeout(function(){self.ontrack(trackEvent)},0)})},0)),arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},window.RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(transceiver){transceiver.iceTransport&&transceiver.iceTransport.stop(),transceiver.dtlsTransport&&transceiver.dtlsTransport.stop(),transceiver.rtpSender&&transceiver.rtpSender.stop(),transceiver.rtpReceiver&&transceiver.rtpReceiver.stop()}),this._updateSignalingState("closed")},window.RTCPeerConnection.prototype._updateSignalingState=function(newState){
+this.signalingState=newState;var event=new Event("signalingstatechange");this.dispatchEvent(event),null!==this.onsignalingstatechange&&this.onsignalingstatechange(event)},window.RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var event=new Event("negotiationneeded");this.dispatchEvent(event),null!==this.onnegotiationneeded&&this.onnegotiationneeded(event)},window.RTCPeerConnection.prototype._updateConnectionState=function(){var newState,self=this,states={new:0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};if(this.transceivers.forEach(function(transceiver){states[transceiver.iceTransport.state]++,states[transceiver.dtlsTransport.state]++}),states.connected+=states.completed,newState="new",states.failed>0?newState="failed":states.connecting>0||states.checking>0?newState="connecting":states.disconnected>0?newState="disconnected":states.new>0?newState="new":(states.connected>0||states.completed>0)&&(newState="connected"),newState!==self.iceConnectionState){self.iceConnectionState=newState;var event=new Event("iceconnectionstatechange");this.dispatchEvent(event),null!==this.oniceconnectionstatechange&&this.oniceconnectionstatechange(event)}},window.RTCPeerConnection.prototype.createOffer=function(){var self=this;if(this._pendingOffer)throw new Error("createOffer called while there is a pending offer.");var offerOptions;1===arguments.length&&"function"!=typeof arguments[0]?offerOptions=arguments[0]:3===arguments.length&&(offerOptions=arguments[2]);var tracks=[],numAudioTracks=0,numVideoTracks=0;if(this.localStreams.length&&(numAudioTracks=this.localStreams[0].getAudioTracks().length,numVideoTracks=this.localStreams[0].getVideoTracks().length),offerOptions){if(offerOptions.mandatory||offerOptions.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==offerOptions.offerToReceiveAudio&&(numAudioTracks=offerOptions.offerToReceiveAudio),void 0!==offerOptions.offerToReceiveVideo&&(numVideoTracks=offerOptions.offerToReceiveVideo)}for(this.localStreams.length&&this.localStreams[0].getTracks().forEach(function(track){tracks.push({kind:track.kind,track:track,wantReceive:"audio"===track.kind?numAudioTracks>0:numVideoTracks>0}),"audio"===track.kind?numAudioTracks--:"video"===track.kind&&numVideoTracks--});numAudioTracks>0||numVideoTracks>0;)numAudioTracks>0&&(tracks.push({kind:"audio",wantReceive:!0}),numAudioTracks--),numVideoTracks>0&&(tracks.push({kind:"video",wantReceive:!0}),numVideoTracks--);var sdp=SDPUtils.writeSessionBoilerplate(),transceivers=[];tracks.forEach(function(mline,sdpMLineIndex){var rtpSender,rtpReceiver,track=mline.track,kind=mline.kind,mid=SDPUtils.generateIdentifier(),transports=self.usingBundle&&sdpMLineIndex>0?{iceGatherer:transceivers[0].iceGatherer,iceTransport:transceivers[0].iceTransport,dtlsTransport:transceivers[0].dtlsTransport}:self._createIceAndDtlsTransports(mid,sdpMLineIndex),localCapabilities=RTCRtpSender.getCapabilities(kind),sendEncodingParameters=[{ssrc:1001*(2*sdpMLineIndex+1)}];track&&(rtpSender=new RTCRtpSender(track,transports.dtlsTransport)),mline.wantReceive&&(rtpReceiver=new RTCRtpReceiver(transports.dtlsTransport,kind)),transceivers[sdpMLineIndex]={iceGatherer:transports.iceGatherer,iceTransport:transports.iceTransport,dtlsTransport:transports.dtlsTransport,localCapabilities:localCapabilities,remoteCapabilities:null,rtpSender:rtpSender,rtpReceiver:rtpReceiver,kind:kind,mid:mid,sendEncodingParameters:sendEncodingParameters,recvEncodingParameters:null}}),this.usingBundle&&(sdp+="a=group:BUNDLE "+transceivers.map(function(t){return t.mid}).join(" ")+"\r\n"),tracks.forEach(function(mline,sdpMLineIndex){var transceiver=transceivers[sdpMLineIndex];sdp+=SDPUtils.writeMediaSection(transceiver,transceiver.localCapabilities,"offer",self.localStreams[0])}),this._pendingOffer=transceivers;var desc=new RTCSessionDescription({type:"offer",sdp:sdp});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,desc),Promise.resolve(desc)},window.RTCPeerConnection.prototype.createAnswer=function(){var self=this,sdp=SDPUtils.writeSessionBoilerplate();this.usingBundle&&(sdp+="a=group:BUNDLE "+this.transceivers.map(function(t){return t.mid}).join(" ")+"\r\n"),this.transceivers.forEach(function(transceiver){if(transceiver.isDatachannel)return void(sdp+="m=application 0 DTLS/SCTP 5000\r\nc=IN IP4 0.0.0.0\r\na=mid:"+transceiver.mid+"\r\n");var commonCapabilities=self._getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);sdp+=SDPUtils.writeMediaSection(transceiver,commonCapabilities,"answer",self.localStreams[0])});var desc=new RTCSessionDescription({type:"answer",sdp:sdp});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,desc),Promise.resolve(desc)},window.RTCPeerConnection.prototype.addIceCandidate=function(candidate){if(null===candidate)this.transceivers.forEach(function(transceiver){transceiver.iceTransport.addRemoteCandidate({})});else{var mLineIndex=candidate.sdpMLineIndex;if(candidate.sdpMid)for(var i=0;i<this.transceivers.length;i++)if(this.transceivers[i].mid===candidate.sdpMid){mLineIndex=i;break}var transceiver=this.transceivers[mLineIndex];if(transceiver){var cand=Object.keys(candidate.candidate).length>0?SDPUtils.parseCandidate(candidate.candidate):{};if("tcp"===cand.protocol&&(0===cand.port||9===cand.port))return;if("1"!==cand.component)return;"endOfCandidates"===cand.type&&(cand={}),transceiver.iceTransport.addRemoteCandidate(cand);var sections=SDPUtils.splitSections(this.remoteDescription.sdp);sections[mLineIndex+1]+=(cand.type?candidate.candidate.trim():"a=end-of-candidates")+"\r\n",this.remoteDescription.sdp=sections.join("")}}return arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},window.RTCPeerConnection.prototype.getStats=function(){var promises=[];this.transceivers.forEach(function(transceiver){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach(function(method){transceiver[method]&&promises.push(transceiver[method].getStats())})});var cb=arguments.length>1&&"function"==typeof arguments[1]&&arguments[1];return new Promise(function(resolve){var results=new Map;Promise.all(promises).then(function(res){res.forEach(function(result){Object.keys(result).forEach(function(id){results.set(id,result[id]),results[id]=result[id]})}),cb&&window.setTimeout(cb,0,results),resolve(results)})})}}};module.exports={shimPeerConnection:edgeShim.shimPeerConnection,shimGetUserMedia:requirecopy("./getusermedia")}},{"../utils":10,"./getusermedia":6,sdp:1}],6:[function(requirecopy,module,exports){"use strict";module.exports=function(){var shimError_=function(e){return{name:{PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name}}},origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e))})}}},{}],7:[function(requirecopy,module,exports){"use strict";var browserDetails=requirecopy("../utils").browserDetails,firefoxShim={shimOnTrack:function(){"object"!=typeof window||!window.RTCPeerConnection||"ontrack"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(f){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.streams=[e.stream],this.dispatchEvent(event)}.bind(this))}.bind(this))}})},shimSourceObject:function(){"object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this.mozSrcObject},set:function(stream){this.mozSrcObject=stream}}))},shimPeerConnection:function(){if("object"==typeof window&&(window.RTCPeerConnection||window.mozRTCPeerConnection)){window.RTCPeerConnection||(window.RTCPeerConnection=function(pcConfig,pcConstraints){if(browserDetails.version<38&&pcConfig&&pcConfig.iceServers){for(var newIceServers=[],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]};0===server.urls[j].indexOf("turn")&&(newServer.username=server.username,newServer.credential=server.credential),newIceServers.push(newServer)}else newIceServers.push(pcConfig.iceServers[i])}pcConfig.iceServers=newIceServers}return new mozRTCPeerConnection(pcConfig,pcConstraints)},window.RTCPeerConnection.prototype=mozRTCPeerConnection.prototype,mozRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return mozRTCPeerConnection.generateCertificate}}),window.RTCSessionDescription=mozRTCSessionDescription,window.RTCIceCandidate=mozRTCIceCandidate),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){return arguments[0]=new("addIceCandidate"===method?RTCIceCandidate:RTCSessionDescription)(arguments[0]),nativeMethod.apply(this,arguments)}});var nativeAddIceCandidate=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){return null===arguments[0]?Promise.resolve():nativeAddIceCandidate.apply(this,arguments)};var makeMapStats=function(stats){var map=new Map;return Object.keys(stats).forEach(function(key){map.set(key,stats[key]),map[key]=stats[key]}),map},nativeGetStats=RTCPeerConnection.prototype.getStats;RTCPeerConnection.prototype.getStats=function(selector,onSucc,onErr){return nativeGetStats.apply(this,[selector||null]).then(function(stats){return makeMapStats(stats)}).then(onSucc,onErr)}}}};module.exports={shimOnTrack:firefoxShim.shimOnTrack,shimSourceObject:firefoxShim.shimSourceObject,shimPeerConnection:firefoxShim.shimPeerConnection,shimGetUserMedia:requirecopy("./getusermedia")}},{"../utils":10,"./getusermedia":8}],8:[function(requirecopy,module,exports){"use strict";var logging=requirecopy("../utils").log,browserDetails=requirecopy("../utils").browserDetails;module.exports=function(){var shimError_=function(e){return{name:{SecurityError:"NotAllowedError",PermissionDeniedError:"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_=function(constraints,onSuccess,onError){var constraintsToFF37_=function(c){if("object"!=typeof c||c.require)return c;var require=[];return Object.keys(c).forEach(function(key){if("require"!==key&&"advanced"!==key&&"mediaSource"!==key){var r=c[key]="object"==typeof c[key]?c[key]:{ideal:c[key]};if(void 0===r.min&&void 0===r.max&&void 0===r.exact||require.push(key),void 0!==r.exact&&("number"==typeof r.exact?r.min=r.max=r.exact:c[key]=r.exact,delete r.exact),void 0!==r.ideal){c.advanced=c.advanced||[];var oc={};"number"==typeof r.ideal?oc[key]={min:r.ideal,max:r.ideal}:oc[key]=r.ideal,c.advanced.push(oc),delete r.ideal,Object.keys(r).length||delete c[key]}}}),require.length&&(c.require=require),c};return constraints=JSON.parse(JSON.stringify(constraints)),browserDetails.version<38&&(logging("spec: "+JSON.stringify(constraints)),constraints.audio&&(constraints.audio=constraintsToFF37_(constraints.audio)),constraints.video&&(constraints.video=constraintsToFF37_(constraints.video)),logging("ff37: "+JSON.stringify(constraints))),navigator.mozGetUserMedia(constraints,onSuccess,function(e){onError(shimError_(e))})},getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){getUserMedia_(constraints,resolve,reject)})};if(navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:getUserMediaPromise_,addEventListener:function(){},removeEventListener:function(){}}),navigator.mediaDevices.enumerateDevices=navigator.mediaDevices.enumerateDevices||function(){return new Promise(function(resolve){resolve([{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}])})},browserDetails.version<41){var orgEnumerateDevices=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return orgEnumerateDevices().then(void 0,function(e){if("NotFoundError"===e.name)return[];throw e})}}if(browserDetails.version<49){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e))})}}navigator.getUserMedia=function(constraints,onSuccess,onError){if(browserDetails.version<44)return getUserMedia_(constraints,onSuccess,onError);navigator.mediaDevices.getUserMedia(constraints).then(onSuccess,onError)}}},{"../utils":10}],9:[function(requirecopy,module,exports){"use strict";var safariShim={shimGetUserMedia:function(){navigator.getUserMedia=navigator.webkitGetUserMedia}};module.exports={shimGetUserMedia:safariShim.shimGetUserMedia}},{}],10:[function(requirecopy,module,exports){"use strict";var logDisabled_=!0,utils={disableLog:function(bool){return"boolean"!=typeof bool?new Error("Argument type: "+typeof bool+". Please use a boolean."):(logDisabled_=bool,bool?"adapter.js logging disabled":"adapter.js logging enabled")},log:function(){if("object"==typeof window){if(logDisabled_)return;"undefined"!=typeof console&&console.log}},extractVersion:function(uastring,expr,pos){var match=uastring.match(expr);return match&&match.length>=pos&&parseInt(match[pos],10)},detectBrowser:function(){var result={};if(result.browser=null,result.version=null,"undefined"==typeof window||!window.navigator)return result.browser="Not a browser.",result;if(navigator.mozGetUserMedia)result.browser="firefox",result.version=this.extractVersion(navigator.userAgent,/Firefox\/([0-9]+)\./,1);else if(navigator.webkitGetUserMedia)if(window.webkitRTCPeerConnection)result.browser="chrome",result.version=this.extractVersion(navigator.userAgent,/Chrom(e|ium)\/([0-9]+)\./,2);else{if(!navigator.userAgent.match(/Version\/(\d+).(\d+)/))return result.browser="Unsupported webkit-based browser with GUM support but no WebRTC support.",result;result.browser="safari",result.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/([0-9]+)\./,1)}else{if(!navigator.mediaDevices||!navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))return result.browser="Not a supported browser.",result;result.browser="edge",result.version=this.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2)}return result}};module.exports={log:utils.log,disableLog:utils.disableLog,browserDetails:utils.detectBrowser(),extractVersion:utils.extractVersion}},{}]},{},[2])(2)}),AdapterJS.parseWebrtcDetectedBrowser(),navigator.mozGetUserMedia?(MediaStreamTrack.getSources=function(successCb){setTimeout(function(){successCb([{kind:"audio",id:"default",label:"",facing:""},{kind:"video",id:"default",label:"",facing:""}])},0)},attachMediaStream=function(element,stream){return element.srcObject=stream,element},reattachMediaStream=function(to,from){return to.srcObject=from.srcObject,to},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");if(0===urlParts[0].indexOf("stun"))iceServer={urls:[url]};else if(0===urlParts[0].indexOf("turn"))if(webrtcDetectedVersion<27){var turnUrlParts=url.split("?");1!==turnUrlParts.length&&0!==turnUrlParts[1].indexOf("transport=udp")||(iceServer={urls:[turnUrlParts[0]],credential:password,username:username})}else iceServer={urls:[url],credential:password,username:username};return iceServer},createIceServers=function(urls,username,password){var iceServers=[];for(i=0;i<urls.length;i++){var iceServer=createIceServer(urls[i],username,password);null!==iceServer&&iceServers.push(iceServer)}return iceServers}):navigator.webkitGetUserMedia?(attachMediaStream=function(element,stream){return webrtcDetectedVersion>=43?element.srcObject=stream:void 0!==element.src&&(element.src=URL.createObjectURL(stream)),element},reattachMediaStream=function(to,from){return webrtcDetectedVersion>=43?to.srcObject=from.srcObject:to.src=from.src,to},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");return 0===urlParts[0].indexOf("stun")?iceServer={url:url}:0===urlParts[0].indexOf("turn")&&(iceServer={url:url,credential:password,username:username}),iceServer},createIceServers=function(urls,username,password){var iceServers=[];if(webrtcDetectedVersion>=34)iceServers={urls:urls,credential:password,username:username};else for(i=0;i<urls.length;i++){var iceServer=createIceServer(urls[i],username,password);null!==iceServer&&iceServers.push(iceServer)}return iceServers}):navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)&&(attachMediaStream=function(element,stream){return element.srcObject=stream,element},reattachMediaStream=function(to,from){return to.srcObject=from.srcObject,to}),attachMediaStream_base=attachMediaStream,"opera"===webrtcDetectedBrowser&&(attachMediaStream_base=function(element,stream){webrtcDetectedVersion>38?element.srcObject=stream:void 0!==element.src&&(element.src=URL.createObjectURL(stream))}),attachMediaStream=function(element,stream){return"chrome"!==webrtcDetectedBrowser&&"opera"!==webrtcDetectedBrowser||stream?attachMediaStream_base(element,stream):element.src="",element},reattachMediaStream_base=reattachMediaStream,reattachMediaStream=function(to,from){return reattachMediaStream_base(to,from),to},window.attachMediaStream=attachMediaStream,window.reattachMediaStream=reattachMediaStream,window.getUserMedia=function(constraints,onSuccess,onFailure){navigator.getUserMedia(constraints,onSuccess,onFailure)},AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,"undefined"==typeof Promise&&(requestUserMedia=null),AdapterJS.maybeThroughWebRTCReady()),"undefined"!=typeof exports&&(module.exports=AdapterJS),AdapterJS.TEXT.EXTENSION={REQUIRE_INSTALLATION_FF:"To enable screensharing you need to install the Skylink WebRTC tools Firefox Add-on.",REQUIRE_INSTALLATION_CHROME:"To enable screensharing you need to install the Skylink WebRTC tools Chrome Extension.",REQUIRE_REFRESH:"Please refresh this page after the Skylink WebRTC tools extension has been installed.",BUTTON_FF:"Install Now",BUTTON_CHROME:"Go to Chrome Web Store"},AdapterJS.defineMediaSourcePolyfill=function(){var baseGetUserMedia=null,clone=function(obj){if(null===obj||"object"!=typeof obj)return obj;var copy=obj.constructor();for(var attr in obj)obj.hasOwnProperty(attr)&&(copy[attr]=obj[attr]);return copy};if(window.navigator.mozGetUserMedia?(baseGetUserMedia=window.navigator.getUserMedia,navigator.getUserMedia=function(constraints,successCb,failureCb){if(constraints&&constraints.video&&constraints.video.mediaSource){if("screen"!==constraints.video.mediaSource&&"window"!==constraints.video.mediaSource)return void failureCb(new Error('GetUserMedia: Only "screen" and "window" are supported as mediaSource constraints'));var updatedConstraints=clone(constraints);updatedConstraints.video.mozMediaSource=updatedConstraints.video.mediaSource;var checkIfReady=setInterval(function(){"complete"===document.readyState&&(clearInterval(checkIfReady),baseGetUserMedia(updatedConstraints,successCb,function(error){["NotAllowedError","PermissionDeniedError","SecurityError","NotAllowedError"].indexOf(error.name)>-1&&"https:"===window.parent.location.protocol?AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION.REQUIRE_INSTALLATION_FF,AdapterJS.TEXT.EXTENSION.BUTTON_FF,function(e){window.open("https://addons.mozilla.org/en-US/firefox/addon/skylink-webrtc-tools/","_blank"),e.target&&e.target.parentElement&&e.target.nextElementSibling&&e.target.nextElementSibling.click&&e.target.nextElementSibling.click(),AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION?AdapterJS.TEXT.EXTENSION.REQUIRE_REFRESH:AdapterJS.TEXT.REFRESH.REQUIRE_REFRESH,AdapterJS.TEXT.REFRESH.BUTTON,function(){window.open("javascript:location.reload()","_top")})}):failureCb(error)}))},1)}else baseGetUserMedia(constraints,successCb,failureCb)},AdapterJS.getUserMedia=window.getUserMedia=navigator.getUserMedia):window.navigator.webkitGetUserMedia&&"safari"!==window.webrtcDetectedBrowser?(baseGetUserMedia=window.navigator.getUserMedia,navigator.getUserMedia=function(constraints,successCb,failureCb){if(constraints&&constraints.video&&constraints.video.mediaSource){if("chrome"!==window.webrtcDetectedBrowser)return void failureCb(new Error("Current browser does not support screensharing"));var updatedConstraints=clone(constraints),chromeCallback=function(error,sourceId){error?failureCb("permission-denied"===error?new Error("Permission denied for screen retrieval"):new Error("Failed retrieving selected screen")):(updatedConstraints.video.mandatory=updatedConstraints.video.mandatory||{},updatedConstraints.video.mandatory.chromeMediaSource="desktop",updatedConstraints.video.mandatory.maxWidth=window.screen.width>1920?window.screen.width:1920,updatedConstraints.video.mandatory.maxHeight=window.screen.height>1080?window.screen.height:1080,sourceId&&(updatedConstraints.video.mandatory.chromeMediaSourceId=sourceId),delete updatedConstraints.video.mediaSource,baseGetUserMedia(updatedConstraints,successCb,failureCb))},onIFrameCallback=function(event){event.data&&(event.data.chromeMediaSourceId&&("PermissionDeniedError"===event.data.chromeMediaSourceId?chromeCallback("permission-denied"):chromeCallback(null,event.data.chromeMediaSourceId)),event.data.chromeExtensionStatus&&("not-installed"===event.data.chromeExtensionStatus?AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION.REQUIRE_INSTALLATION_CHROME,AdapterJS.TEXT.EXTENSION.BUTTON_CHROME,function(e){window.open(event.data.data,"_blank"),e.target&&e.target.parentElement&&e.target.nextElementSibling&&e.target.nextElementSibling.click&&e.target.nextElementSibling.click(),AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION?AdapterJS.TEXT.EXTENSION.REQUIRE_REFRESH:AdapterJS.TEXT.REFRESH.REQUIRE_REFRESH,AdapterJS.TEXT.REFRESH.BUTTON,function(){window.open("javascript:location.reload()","_top")})}):chromeCallback(event.data.chromeExtensionStatus,null)),window.removeEventListener("message",onIFrameCallback))};window.addEventListener("message",onIFrameCallback),postFrameMessage({captureSourceId:!0})}else baseGetUserMedia(constraints,successCb,failureCb)},AdapterJS.getUserMedia=window.getUserMedia=navigator.getUserMedia,navigator.mediaDevices.getUserMedia=function(constraints){return new Promise(function(resolve,reject){window.getUserMedia(constraints,resolve,reject)})}):navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)||(baseGetUserMedia=window.navigator.getUserMedia,navigator.getUserMedia=function(constraints,successCb,failureCb){if(constraints&&constraints.video&&constraints.video.mediaSource){var updatedConstraints=clone(constraints);AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){if(!AdapterJS.WebRTCPlugin.plugin.HasScreensharingFeature||!AdapterJS.WebRTCPlugin.plugin.isScreensharingAvailable)return void failureCb(new Error("Your version of the WebRTC plugin does not support screensharing"));updatedConstraints.video.optional=updatedConstraints.video.optional||[],updatedConstraints.video.optional.push({sourceId:AdapterJS.WebRTCPlugin.plugin.screensharingKey||"Screensharing"}),delete updatedConstraints.video.mediaSource,baseGetUserMedia(updatedConstraints,successCb,failureCb)})}else baseGetUserMedia(constraints,successCb,failureCb)},AdapterJS.getUserMedia=getUserMedia=window.getUserMedia=navigator.getUserMedia,navigator.mediaDevices&&"undefined"!=typeof Promise&&(navigator.mediaDevices.getUserMedia=requestUserMedia)),"chrome"===window.webrtcDetectedBrowser){var iframe=document.createElement("iframe");iframe.onload=function(){iframe.isLoaded=!0},iframe.src="https://cdn.temasys.com.sg/skylink/extensions/detectRTC.html",iframe.style.display="none",(document.body||document.documentElement).appendChild(iframe);var postFrameMessage=function(object){if(object=object||{},!iframe.isLoaded)return void setTimeout(function(){iframe.contentWindow.postMessage(object,"*")},100);iframe.contentWindow.postMessage(object,"*")}}else window.webrtcDetectedBrowser},"function"!=typeof window.require&&AdapterJS.defineMediaSourcePolyfill();
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