From 880b59e6abb8b0f167c2cca93a77953d815e9ae2 Mon Sep 17 00:00:00 2001 From: Anthony Minessale 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('' + text + ''); - if(buttonText && buttonLink) { - c.document.write(''); - 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 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: 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 = '' + - ' ' + - ' ' + - ' ' + - '' + - '' + - // uncomment to be able to use virtual cams - (AdapterJS.options.getAllCams ? '':'') + - - ''; - 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 = '' + - '' + - ' ' + - (AdapterJS.options.getAllCams ? '':'') + - '' + - ''; - 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 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 = '' + - ' ' + - ' ' + - ' ' + - ' ' + - ' ' + - ''; - 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 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 ' + - ' ' + AdapterJS.WebRTCPlugin.pluginInfo.companyName + - ' WebRTC Plugin' + - ' 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(''+message+""),buttonText&&"function"==typeof buttonCallback?(c.document.write(''),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=' '+(AdapterJS.options.getAllCams?'':"")+"";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=' '+(AdapterJS.options.getAllCams?'':"")+'',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=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;i1)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=' ';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 '+AdapterJS.WebRTCPlugin.pluginInfo.companyName+" WebRTC Plugin 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-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;i0?"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;i0&&"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-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;i0;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;i0?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=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=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;i38?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(); \ No newline at end of file