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rtcmulticonnection-v3

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RTCMultiConnection is a WebRTC JavaScript wrapper library runs top over RTCPeerConnection API to support all possible peer-to-peer features.

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// Last time updated: 2016-02-26 11:47:17 AM UTC // Latest file can be found here: https://cdn.webrtc-experiment.com/DetectRTC.js // Muaz Khan - www.MuazKhan.com // MIT License - www.WebRTC-Experiment.com/licence // Documentation - github.com/muaz-khan/DetectRTC // ____________ // DetectRTC.js // DetectRTC.hasWebcam (has webcam device!) // DetectRTC.hasMicrophone (has microphone device!) // DetectRTC.hasSpeakers (has speakers!) (function() { 'use strict'; var navigator = window.navigator; if (typeof navigator !== 'undefined') { if (typeof navigator.webkitGetUserMedia !== 'undefined') { navigator.getUserMedia = navigator.webkitGetUserMedia; } if (typeof navigator.mozGetUserMedia !== 'undefined') { navigator.getUserMedia = navigator.mozGetUserMedia; } } else { navigator = { getUserMedia: function() {}, userAgent: 'Fake/5.0 (FakeOS) AppleWebKit/123 (KHTML, like Gecko) Fake/12.3.4567.89 Fake/123.45' }; } var isMobileDevice = !!navigator.userAgent.match(/Android|iPhone|iPad|iPod|BlackBerry|IEMobile/i); var isEdge = navigator.userAgent.indexOf('Edge') !== -1 && (!!navigator.msSaveOrOpenBlob || !!navigator.msSaveBlob); var isOpera = !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0; var isFirefox = typeof window.InstallTrigger !== 'undefined'; var isSafari = Object.prototype.toString.call(window.HTMLElement).indexOf('Constructor') > 0; var isChrome = !!window.chrome && !isOpera; var isIE = !!document.documentMode && !isEdge; // this one can also be used: // https://www.websocket.org/js/stuff.js (DetectBrowser.js) function getBrowserInfo() { var nVer = navigator.appVersion; var nAgt = navigator.userAgent; var browserName = navigator.appName; var fullVersion = '' + parseFloat(navigator.appVersion); var majorVersion = parseInt(navigator.appVersion, 10); var nameOffset, verOffset, ix; // In Opera, the true version is after 'Opera' or after 'Version' if (isOpera) { browserName = 'Opera'; try { fullVersion = navigator.userAgent.split('OPR/')[1].split(' ')[0]; majorVersion = fullVersion.split('.')[0]; } catch (e) { fullVersion = '0.0.0.0'; majorVersion = 0; } } // In MSIE, the true version is after 'MSIE' in userAgent else if (isIE) { verOffset = nAgt.indexOf('MSIE'); browserName = 'IE'; fullVersion = nAgt.substring(verOffset + 5); } // In Chrome, the true version is after 'Chrome' else if (isChrome) { verOffset = nAgt.indexOf('Chrome'); browserName = 'Chrome'; fullVersion = nAgt.substring(verOffset + 7); } // In Safari, the true version is after 'Safari' or after 'Version' else if (isSafari) { verOffset = nAgt.indexOf('Safari'); browserName = 'Safari'; fullVersion = nAgt.substring(verOffset + 7); if ((verOffset = nAgt.indexOf('Version')) !== -1) { fullVersion = nAgt.substring(verOffset + 8); } } // In Firefox, the true version is after 'Firefox' else if (isFirefox) { verOffset = nAgt.indexOf('Firefox'); browserName = 'Firefox'; fullVersion = nAgt.substring(verOffset + 8); } // In most other browsers, 'name/version' is at the end of userAgent else if ((nameOffset = nAgt.lastIndexOf(' ') + 1) < (verOffset = nAgt.lastIndexOf('/'))) { browserName = nAgt.substring(nameOffset, verOffset); fullVersion = nAgt.substring(verOffset + 1); if (browserName.toLowerCase() === browserName.toUpperCase()) { browserName = navigator.appName; } } if (isEdge) { browserName = 'Edge'; // fullVersion = navigator.userAgent.split('Edge/')[1]; fullVersion = parseInt(navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)[2], 10).toString(); } // trim the fullVersion string at semicolon/space if present if ((ix = fullVersion.indexOf(';')) !== -1) { fullVersion = fullVersion.substring(0, ix); } if ((ix = fullVersion.indexOf(' ')) !== -1) { fullVersion = fullVersion.substring(0, ix); } majorVersion = parseInt('' + fullVersion, 10); if (isNaN(majorVersion)) { fullVersion = '' + parseFloat(navigator.appVersion); majorVersion = parseInt(navigator.appVersion, 10); } return { fullVersion: fullVersion, version: majorVersion, name: browserName, isPrivateBrowsing: false }; } // via: https://gist.github.com/cou929/7973956 function retry(isDone, next) { var currentTrial = 0, maxRetry = 50, interval = 10, isTimeout = false; var id = window.setInterval( function() { if (isDone()) { window.clearInterval(id); next(isTimeout); } if (currentTrial++ > maxRetry) { window.clearInterval(id); isTimeout = true; next(isTimeout); } }, 10 ); } function isIE10OrLater(userAgent) { var ua = userAgent.toLowerCase(); if (ua.indexOf('msie') === 0 && ua.indexOf('trident') === 0) { return false; } var match = /(?:msie|rv:)\s?([\d\.]+)/.exec(ua); if (match && parseInt(match[1], 10) >= 10) { return true; } return false; } function detectPrivateMode(callback) { var isPrivate; if (window.webkitRequestFileSystem) { window.webkitRequestFileSystem( window.TEMPORARY, 1, function() { isPrivate = false; }, function(e) { console.log(e); isPrivate = true; } ); } else if (window.indexedDB && /Firefox/.test(window.navigator.userAgent)) { var db; try { db = window.indexedDB.open('test'); } catch (e) { isPrivate = true; } if (typeof isPrivate === 'undefined') { retry( function isDone() { return db.readyState === 'done' ? true : false; }, function next(isTimeout) { if (!isTimeout) { isPrivate = db.result ? false : true; } } ); } } else if (isIE10OrLater(window.navigator.userAgent)) { isPrivate = false; try { if (!window.indexedDB) { isPrivate = true; } } catch (e) { isPrivate = true; } } else if (window.localStorage && /Safari/.test(window.navigator.userAgent)) { try { window.localStorage.setItem('test', 1); } catch (e) { isPrivate = true; } if (typeof isPrivate === 'undefined') { isPrivate = false; window.localStorage.removeItem('test'); } } retry( function isDone() { return typeof isPrivate !== 'undefined' ? true : false; }, function next(isTimeout) { callback(isPrivate); } ); } var isMobile = { Android: function() { return navigator.userAgent.match(/Android/i); }, BlackBerry: function() { return navigator.userAgent.match(/BlackBerry/i); }, iOS: function() { return navigator.userAgent.match(/iPhone|iPad|iPod/i); }, Opera: function() { return navigator.userAgent.match(/Opera Mini/i); }, Windows: function() { return navigator.userAgent.match(/IEMobile/i); }, any: function() { return (isMobile.Android() || isMobile.BlackBerry() || isMobile.iOS() || isMobile.Opera() || isMobile.Windows()); }, getOsName: function() { var osName = 'Unknown OS'; if (isMobile.Android()) { osName = 'Android'; } if (isMobile.BlackBerry()) { osName = 'BlackBerry'; } if (isMobile.iOS()) { osName = 'iOS'; } if (isMobile.Opera()) { osName = 'Opera Mini'; } if (isMobile.Windows()) { osName = 'Windows'; } return osName; } }; // via: http://jsfiddle.net/ChristianL/AVyND/ function detectDesktopOS() { var unknown = '-'; var nVer = navigator.appVersion; var nAgt = navigator.userAgent; var os = unknown; var clientStrings = [{ s: 'Windows 10', r: /(Windows 10.0|Windows NT 10.0)/ }, { s: 'Windows 8.1', r: /(Windows 8.1|Windows NT 6.3)/ }, { s: 'Windows 8', r: /(Windows 8|Windows NT 6.2)/ }, { s: 'Windows 7', r: /(Windows 7|Windows NT 6.1)/ }, { s: 'Windows Vista', r: /Windows NT 6.0/ }, { s: 'Windows Server 2003', r: /Windows NT 5.2/ }, { s: 'Windows XP', r: /(Windows NT 5.1|Windows XP)/ }, { s: 'Windows 2000', r: /(Windows NT 5.0|Windows 2000)/ }, { s: 'Windows ME', r: /(Win 9x 4.90|Windows ME)/ }, { s: 'Windows 98', r: /(Windows 98|Win98)/ }, { s: 'Windows 95', r: /(Windows 95|Win95|Windows_95)/ }, { s: 'Windows NT 4.0', r: /(Windows NT 4.0|WinNT4.0|WinNT|Windows NT)/ }, { s: 'Windows CE', r: /Windows CE/ }, { s: 'Windows 3.11', r: /Win16/ }, { s: 'Android', r: /Android/ }, { s: 'Open BSD', r: /OpenBSD/ }, { s: 'Sun OS', r: /SunOS/ }, { s: 'Linux', r: /(Linux|X11)/ }, { s: 'iOS', r: /(iPhone|iPad|iPod)/ }, { s: 'Mac OS X', r: /Mac OS X/ }, { s: 'Mac OS', r: /(MacPPC|MacIntel|Mac_PowerPC|Macintosh)/ }, { s: 'QNX', r: /QNX/ }, { s: 'UNIX', r: /UNIX/ }, { s: 'BeOS', r: /BeOS/ }, { s: 'OS/2', r: /OS\/2/ }, { s: 'Search Bot', r: /(nuhk|Googlebot|Yammybot|Openbot|Slurp|MSNBot|Ask Jeeves\/Teoma|ia_archiver)/ }]; for (var id in clientStrings) { var cs = clientStrings[id]; if (cs.r.test(nAgt)) { os = cs.s; break; } } var osVersion = unknown; if (/Windows/.test(os)) { if (/Windows (.*)/.test(os)) { osVersion = /Windows (.*)/.exec(os)[1]; } os = 'Windows'; } switch (os) { case 'Mac OS X': if (/Mac OS X (10[\.\_\d]+)/.test(nAgt)) { osVersion = /Mac OS X (10[\.\_\d]+)/.exec(nAgt)[1]; } break; case 'Android': if (/Android ([\.\_\d]+)/.test(nAgt)) { osVersion = /Android ([\.\_\d]+)/.exec(nAgt)[1]; } break; case 'iOS': if (/OS (\d+)_(\d+)_?(\d+)?/.test(nAgt)) { osVersion = /OS (\d+)_(\d+)_?(\d+)?/.exec(nVer); osVersion = osVersion[1] + '.' + osVersion[2] + '.' + (osVersion[3] | 0); } break; } return { osName: os, osVersion: osVersion }; } var osName = 'Unknown OS'; var osVersion = 'Unknown OS Version'; if (isMobile.any()) { osName = isMobile.getOsName(); } else { var osInfo = detectDesktopOS(); osName = osInfo.osName; osVersion = osInfo.osVersion; } var isCanvasSupportsStreamCapturing = false; var isVideoSupportsStreamCapturing = false; ['captureStream', 'mozCaptureStream', 'webkitCaptureStream'].forEach(function(item) { if (!isCanvasSupportsStreamCapturing && item in document.createElement('canvas')) { isCanvasSupportsStreamCapturing = true; } if (!isVideoSupportsStreamCapturing && item in document.createElement('video')) { isVideoSupportsStreamCapturing = true; } }); // via: https://github.com/diafygi/webrtc-ips function DetectLocalIPAddress(callback) { if (!DetectRTC.isWebRTCSupported) { return; } if (DetectRTC.isORTCSupported) { return; } getIPs(function(ip) { //local IPs if (ip.match(/^(192\.168\.|169\.254\.|10\.|172\.(1[6-9]|2\d|3[01]))/)) { callback('Local: ' + ip); } //assume the rest are public IPs else { callback('Public: ' + ip); } }); } //get the IP addresses associated with an account function getIPs(callback) { var ipDuplicates = {}; //compatibility for firefox and chrome var RTCPeerConnection = window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection; var useWebKit = !!window.webkitRTCPeerConnection; // bypass naive webrtc blocking using an iframe if (!RTCPeerConnection) { var iframe = document.getElementById('iframe'); if (!iframe) { //<iframe id="iframe" sandbox="allow-same-origin" style="display: none"></iframe> throw 'NOTE: you need to have an iframe in the page right above the script tag.'; } var win = iframe.contentWindow; RTCPeerConnection = win.RTCPeerConnection || win.mozRTCPeerConnection || win.webkitRTCPeerConnection; useWebKit = !!win.webkitRTCPeerConnection; } // if still no RTCPeerConnection then it is not supported by the browser so just return if (!RTCPeerConnection) { return; } //minimal requirements for data connection var mediaConstraints = { optional: [{ RtpDataChannels: true }] }; //firefox already has a default stun server in about:config // media.peerconnection.default_iceservers = // [{"url": "stun:stun.services.mozilla.com"}] var servers; //add same stun server for chrome if (useWebKit) { servers = { iceServers: [{ urls: 'stun:stun.services.mozilla.com' }] }; if (typeof DetectRTC !== 'undefined' && DetectRTC.browser.isFirefox && DetectRTC.browser.version <= 38) { servers[0] = { url: servers[0].urls }; } } //construct a new RTCPeerConnection var pc = new RTCPeerConnection(servers, mediaConstraints); function handleCandidate(candidate) { //match just the IP address var ipRegex = /([0-9]{1,3}(\.[0-9]{1,3}){3})/; var match = ipRegex.exec(candidate); if (!match) { console.warn('Could not match IP address in', candidate); return; } var ipAddress = match[1]; //remove duplicates if (ipDuplicates[ipAddress] === undefined) { callback(ipAddress); } ipDuplicates[ipAddress] = true; } //listen for candidate events pc.onicecandidate = function(ice) { //skip non-candidate events if (ice.candidate) { handleCandidate(ice.candidate.candidate); } }; //create a bogus data channel pc.createDataChannel(''); //create an offer sdp pc.createOffer(function(result) { //trigger the stun server request pc.setLocalDescription(result, function() {}, function() {}); }, function() {}); //wait for a while to let everything done setTimeout(function() { //read candidate info from local description var lines = pc.localDescription.sdp.split('\n'); lines.forEach(function(line) { if (line.indexOf('a=candidate:') === 0) { handleCandidate(line); } }); }, 1000); } var MediaDevices = []; var audioInputDevices = []; var audioOutputDevices = []; var videoInputDevices = []; if (navigator.mediaDevices && navigator.mediaDevices.enumerateDevices) { // Firefox 38+ seems having support of enumerateDevices // Thanks @xdumaine/enumerateDevices navigator.enumerateDevices = function(callback) { navigator.mediaDevices.enumerateDevices().then(callback); }; } // ---------- Media Devices detection var canEnumerate = false; /*global MediaStreamTrack:true */ if (typeof MediaStreamTrack !== 'undefined' && 'getSources' in MediaStreamTrack) { canEnumerate = true; } else if (navigator.mediaDevices && !!navigator.mediaDevices.enumerateDevices) { canEnumerate = true; } var hasMicrophone = false; var hasSpeakers = false; var hasWebcam = false; var isWebsiteHasMicrophonePermissions = false; var isWebsiteHasWebcamPermissions = false; // http://dev.w3.org/2011/webrtc/editor/getusermedia.html#mediadevices // todo: switch to enumerateDevices when landed in canary. function checkDeviceSupport(callback) { if (!canEnumerate) { return; } // This method is useful only for Chrome! if (!navigator.enumerateDevices && window.MediaStreamTrack && window.MediaStreamTrack.getSources) { navigator.enumerateDevices = window.MediaStreamTrack.getSources.bind(window.MediaStreamTrack); } if (!navigator.enumerateDevices && navigator.enumerateDevices) { navigator.enumerateDevices = navigator.enumerateDevices.bind(navigator); } if (!navigator.enumerateDevices) { if (callback) { callback(); } return; } MediaDevices = []; audioInputDevices = []; audioOutputDevices = []; videoInputDevices = []; navigator.enumerateDevices(function(devices) { devices.forEach(function(_device) { var device = {}; for (var d in _device) { device[d] = _device[d]; } // if it is MediaStreamTrack.getSources if (device.kind === 'audio') { device.kind = 'audioinput'; } if (device.kind === 'video') { device.kind = 'videoinput'; } var skip; MediaDevices.forEach(function(d) { if (d.id === device.id && d.kind === device.kind) { skip = true; } }); if (skip) { return; } if (!device.deviceId) { device.deviceId = device.id; } if (!device.id) { device.id = device.deviceId; } if (!device.label) { device.label = 'Please invoke getUserMedia once.'; if (location.protocol !== 'https:') { if (document.domain.search && document.domain.search(/localhost|127.0./g) === -1) { device.label = 'HTTPs is required to get label of this ' + device.kind + ' device.'; } } } else { if (device.kind === 'videoinput' && !isWebsiteHasWebcamPermissions) { isWebsiteHasWebcamPermissions = true; } if (device.kind === 'audioinput' && !isWebsiteHasMicrophonePermissions) { isWebsiteHasMicrophonePermissions = true; } } if (device.kind === 'audioinput') { hasMicrophone = true; if (audioInputDevices.indexOf(device) === -1) { audioInputDevices.push(device); } } if (device.kind === 'audiooutput') { hasSpeakers = true; if (audioOutputDevices.indexOf(device) === -1) { audioOutputDevices.push(device); } } if (device.kind === 'videoinput') { hasWebcam = true; if (videoInputDevices.indexOf(device) === -1) { videoInputDevices.push(device); } } // there is no 'videoouput' in the spec. if (MediaDevices.indexOf(device) === -1) { MediaDevices.push(device); } }); if (typeof DetectRTC !== 'undefined') { // to sync latest outputs DetectRTC.MediaDevices = MediaDevices; DetectRTC.hasMicrophone = hasMicrophone; DetectRTC.hasSpeakers = hasSpeakers; DetectRTC.hasWebcam = hasWebcam; DetectRTC.isWebsiteHasWebcamPermissions = isWebsiteHasWebcamPermissions; DetectRTC.isWebsiteHasMicrophonePermissions = isWebsiteHasMicrophonePermissions; DetectRTC.audioInputDevices = audioInputDevices; DetectRTC.audioOutputDevices = audioOutputDevices; DetectRTC.videoInputDevices = videoInputDevices; } if (callback) { callback(); } }); } // check for microphone/camera support! checkDeviceSupport(); var DetectRTC = window.DetectRTC || {}; // ---------- // DetectRTC.browser.name || DetectRTC.browser.version || DetectRTC.browser.fullVersion DetectRTC.browser = getBrowserInfo(); detectPrivateMode(function(isPrivateBrowsing) { DetectRTC.browser.isPrivateBrowsing = !!isPrivateBrowsing; }); // DetectRTC.isChrome || DetectRTC.isFirefox || DetectRTC.isEdge DetectRTC.browser['is' + DetectRTC.browser.name] = true; var isNodeWebkit = !!(window.process && (typeof window.process === 'object') && window.process.versions && window.process.versions['node-webkit']); // --------- Detect if system supports WebRTC 1.0 or WebRTC 1.1. var isWebRTCSupported = false; ['RTCPeerConnection', 'webkitRTCPeerConnection', 'mozRTCPeerConnection', 'RTCIceGatherer'].forEach(function(item) { if (isWebRTCSupported) { return; } if (item in window) { isWebRTCSupported = true; } }); DetectRTC.isWebRTCSupported = isWebRTCSupported; //------- DetectRTC.isORTCSupported = typeof RTCIceGatherer !== 'undefined'; // --------- Detect if system supports screen capturing API var isScreenCapturingSupported = false; if (DetectRTC.browser.isChrome && DetectRTC.browser.version >= 35) { isScreenCapturingSupported = true; } else if (DetectRTC.browser.isFirefox && DetectRTC.browser.version >= 34) { isScreenCapturingSupported = true; } if (location.protocol !== 'https:') { isScreenCapturingSupported = false; } DetectRTC.isScreenCapturingSupported = isScreenCapturingSupported; // --------- Detect if WebAudio API are supported var webAudio = { isSupported: false, isCreateMediaStreamSourceSupported: false }; ['AudioContext', 'webkitAudioContext', 'mozAudioContext', 'msAudioContext'].forEach(function(item) { if (webAudio.isSupported) { return; } if (item in window) { webAudio.isSupported = true; if ('createMediaStreamSource' in window[item].prototype) { webAudio.isCreateMediaStreamSourceSupported = true; } } }); DetectRTC.isAudioContextSupported = webAudio.isSupported; DetectRTC.isCreateMediaStreamSourceSupported = webAudio.isCreateMediaStreamSourceSupported; // ---------- Detect if SCTP/RTP channels are supported. var isRtpDataChannelsSupported = false; if (DetectRTC.browser.isChrome && DetectRTC.browser.version > 31) { isRtpDataChannelsSupported = true; } DetectRTC.isRtpDataChannelsSupported = isRtpDataChannelsSupported; var isSCTPSupportd = false; if (DetectRTC.browser.isFirefox && DetectRTC.browser.version > 28) { isSCTPSupportd = true; } else if (DetectRTC.browser.isChrome && DetectRTC.browser.version > 25) { isSCTPSupportd = true; } else if (DetectRTC.browser.isOpera && DetectRTC.browser.version >= 11) { isSCTPSupportd = true; } DetectRTC.isSctpDataChannelsSupported = isSCTPSupportd; // --------- DetectRTC.isMobileDevice = isMobileDevice; // "isMobileDevice" boolean is defined in "getBrowserInfo.js" // ------ var isGetUserMediaSupported = false; if (navigator.getUserMedia) { isGetUserMediaSupported = true; } else if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) { isGetUserMediaSupported = true; } if (DetectRTC.browser.isChrome && DetectRTC.browser.version >= 46 && location.protocol !== 'https:') { DetectRTC.isGetUserMediaSupported = 'Requires HTTPs'; } DetectRTC.isGetUserMediaSupported = isGetUserMediaSupported; // ----------- DetectRTC.osName = osName; DetectRTC.osVersion = osVersion; var displayResolution = ''; if (screen.width) { var width = (screen.width) ? screen.width : ''; var height = (screen.height) ? screen.height : ''; displayResolution += '' + width + ' x ' + height; } DetectRTC.displayResolution = displayResolution; // ---------- DetectRTC.isCanvasSupportsStreamCapturing = isCanvasSupportsStreamCapturing; DetectRTC.isVideoSupportsStreamCapturing = isVideoSupportsStreamCapturing; // ------ DetectRTC.DetectLocalIPAddress = DetectLocalIPAddress; DetectRTC.isWebSocketsSupported = 'WebSocket' in window && 2 === window.WebSocket.CLOSING; DetectRTC.isWebSocketsBlocked = !DetectRTC.isWebSocketsSupported; DetectRTC.checkWebSocketsSupport = function(callback) { callback = callback || function() {}; try { var websocket = new WebSocket('wss://echo.websocket.org:443/'); websocket.onopen = function() { DetectRTC.isWebSocketsBlocked = false; callback(); websocket.close(); websocket = null; }; websocket.onerror = function() { DetectRTC.isWebSocketsBlocked = true; callback(); }; } catch (e) { DetectRTC.isWebSocketsBlocked = true; callback(); } }; // ------- DetectRTC.load = function(callback) { callback = callback || function() {}; checkDeviceSupport(callback); }; DetectRTC.MediaDevices = MediaDevices; DetectRTC.hasMicrophone = hasMicrophone; DetectRTC.hasSpeakers = hasSpeakers; DetectRTC.hasWebcam = hasWebcam; DetectRTC.isWebsiteHasWebcamPermissions = isWebsiteHasWebcamPermissions; DetectRTC.isWebsiteHasMicrophonePermissions = isWebsiteHasMicrophonePermissions; DetectRTC.audioInputDevices = audioInputDevices; DetectRTC.audioOutputDevices = audioOutputDevices; DetectRTC.videoInputDevices = videoInputDevices; // ------ var isSetSinkIdSupported = false; if ('setSinkId' in document.createElement('video')) { isSetSinkIdSupported = true; } DetectRTC.isSetSinkIdSupported = isSetSinkIdSupported; // ----- var isRTPSenderReplaceTracksSupported = false; if (DetectRTC.browser.isFirefox /*&& DetectRTC.browser.version > 39*/ ) { /*global mozRTCPeerConnection:true */ if ('getSenders' in mozRTCPeerConnection.prototype) { isRTPSenderReplaceTracksSupported = true; } } else if (DetectRTC.browser.isChrome && typeof webkitRTCPeerConnection !== 'undefined') { /*global webkitRTCPeerConnection:true */ if ('getSenders' in webkitRTCPeerConnection.prototype) { isRTPSenderReplaceTracksSupported = true; } } DetectRTC.isRTPSenderReplaceTracksSupported = isRTPSenderReplaceTracksSupported; //------ var isRemoteStreamProcessingSupported = false; if (DetectRTC.browser.isFirefox && DetectRTC.browser.version > 38) { isRemoteStreamProcessingSupported = true; } DetectRTC.isRemoteStreamProcessingSupported = isRemoteStreamProcessingSupported; //------- var isApplyConstraintsSupported = false; /*global MediaStreamTrack:true */ if (typeof MediaStreamTrack !== 'undefined' && 'applyConstraints' in MediaStreamTrack.prototype) { isApplyConstraintsSupported = true; } DetectRTC.isApplyConstraintsSupported = isApplyConstraintsSupported; //------- var isMultiMonitorScreenCapturingSupported = false; if (DetectRTC.browser.isFirefox && DetectRTC.browser.version >= 43) { // version 43 merely supports platforms for multi-monitors // version 44 will support exact multi-monitor selection i.e. you can select any monitor for screen capturing. isMultiMonitorScreenCapturingSupported = true; } DetectRTC.isMultiMonitorScreenCapturingSupported = isMultiMonitorScreenCapturingSupported; window.DetectRTC = DetectRTC; })();