diff --git a/html5/verto/js/src/jquery.FSRTC.js b/html5/verto/js/src/jquery.FSRTC.js
index 0ebb1ef21a..ad1ba59e4c 100644
--- a/html5/verto/js/src/jquery.FSRTC.js
+++ b/html5/verto/js/src/jquery.FSRTC.js
@@ -230,19 +230,14 @@
     }
 
     FSRTCattachMediaStream = function(element, stream) {
-	if (element && element.id && attachMediaStream) {
-	    attachMediaStream(element, stream);
+        if (typeof element.srcObject !== 'undefined') {
+	    element.srcObject = stream;
+	} else if (typeof element.src !== 'undefined') {
+	    element.src = URL.createObjectURL(stream);
 	} else {
-            if (typeof element.srcObject !== 'undefined') {
-		element.srcObject = stream;
-	    } else if (typeof element.src !== 'undefined') {
-		element.src = URL.createObjectURL(stream);
-	    } else {
-		console.error('Error attaching stream to element.');
-	    }
+	    console.error('Error attaching stream to element.');
 	}
     }
-
     
     function onRemoteStream(self, stream) {
         if (self.options.useVideo) {
diff --git a/html5/verto/js/src/vendor/adapter-latest.js b/html5/verto/js/src/vendor/adapter-latest.js
index 32eaa6e530..5b32e894af 100644
--- a/html5/verto/js/src/vendor/adapter-latest.js
+++ b/html5/verto/js/src/vendor/adapter-latest.js
@@ -1,4 +1,3810 @@
-/*! adapterjs - v0.14.1-6d236da - 2017-05-02 */
-var AdapterJS=AdapterJS||{};AdapterJS.options=AdapterJS.options||{},AdapterJS.VERSION="0.14.1-6d236da",AdapterJS.onwebrtcready=AdapterJS.onwebrtcready||function(isUsingPlugin){},AdapterJS._onwebrtcreadies=[],AdapterJS.webRTCReady=function(baseCallback){if("function"!=typeof baseCallback)throw new Error("Callback provided is not a function");var callback=function(){"function"==typeof window.require&&"function"==typeof AdapterJS.defineMediaSourcePolyfill&&AdapterJS.defineMediaSourcePolyfill(),baseCallback(null!==AdapterJS.WebRTCPlugin.plugin)};!0===AdapterJS.onwebrtcreadyDone?callback():AdapterJS._onwebrtcreadies.push(callback)},AdapterJS.WebRTCPlugin=AdapterJS.WebRTCPlugin||{},AdapterJS.WebRTCPlugin.pluginInfo=AdapterJS.WebRTCPlugin.pluginInfo||{prefix:"Tem",plugName:"TemWebRTCPlugin",pluginId:"plugin0",type:"application/x-temwebrtcplugin",onload:"__TemWebRTCReady0",portalLink:"https://skylink.io/plugin/",downloadLink:null,companyName:"Temasys",downloadLinks:{mac:"https://bit.ly/webrtcpluginpkg",win:"https://bit.ly/webrtcpluginmsi"}},void 0!==AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks&&null!==AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks&&(navigator.platform.match(/^Mac/i)?AdapterJS.WebRTCPlugin.pluginInfo.downloadLink=AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks.mac:navigator.platform.match(/^Win/i)&&(AdapterJS.WebRTCPlugin.pluginInfo.downloadLink=AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks.win)),AdapterJS.WebRTCPlugin.TAGS={NONE:"none",AUDIO:"audio",VIDEO:"video"},AdapterJS.WebRTCPlugin.pageId=Math.random().toString(36).slice(2),AdapterJS.WebRTCPlugin.plugin=null,AdapterJS.WebRTCPlugin.setLogLevel=null,AdapterJS.WebRTCPlugin.defineWebRTCInterface=null,AdapterJS.WebRTCPlugin.isPluginInstalled=null,AdapterJS.WebRTCPlugin.pluginInjectionInterval=null,AdapterJS.WebRTCPlugin.injectPlugin=null,AdapterJS.WebRTCPlugin.PLUGIN_STATES={NONE:0,INITIALIZING:1,INJECTING:2,INJECTED:3,READY:4},AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.NONE,AdapterJS.onwebrtcreadyDone=!1,AdapterJS.WebRTCPlugin.PLUGIN_LOG_LEVELS={NONE:"NONE",ERROR:"ERROR",WARNING:"WARNING",INFO:"INFO",VERBOSE:"VERBOSE",SENSITIVE:"SENSITIVE"},AdapterJS.WebRTCPlugin.WaitForPluginReady=null,AdapterJS.WebRTCPlugin.callWhenPluginReady=null,__TemWebRTCReady0=function(){if("complete"===document.readyState)AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY,AdapterJS.maybeThroughWebRTCReady();else var timer=setInterval(function(){"complete"===document.readyState&&(clearInterval(timer),AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY,AdapterJS.maybeThroughWebRTCReady())},100)},AdapterJS.maybeThroughWebRTCReady=function(){AdapterJS.onwebrtcreadyDone||(AdapterJS.onwebrtcreadyDone=!0,AdapterJS._onwebrtcreadies.length?AdapterJS._onwebrtcreadies.forEach(function(callback){"function"==typeof callback&&callback(null!==AdapterJS.WebRTCPlugin.plugin)}):"function"==typeof AdapterJS.onwebrtcready&&AdapterJS.onwebrtcready(null!==AdapterJS.WebRTCPlugin.plugin))},AdapterJS.TEXT={PLUGIN:{REQUIRE_INSTALLATION:"This website requires you to install a WebRTC-enabling plugin to work on this browser.",NOT_SUPPORTED:"Your browser does not support WebRTC.",BUTTON:"Install Now"},REFRESH:{REQUIRE_REFRESH:"Please refresh page",BUTTON:"Refresh Page"}},AdapterJS._iceConnectionStates={starting:"starting",checking:"checking",connected:"connected",completed:"connected",done:"completed",disconnected:"disconnected",failed:"failed",closed:"closed"},AdapterJS._iceConnectionFiredStates=[],AdapterJS.isDefined=null,AdapterJS.parseWebrtcDetectedBrowser=function(){var hasMatch=null;if(window.opr&&opr.addons||window.opera||navigator.userAgent.indexOf(" OPR/")>=0)hasMatch=navigator.userAgent.match(/OPR\/(\d+)/i)||[],webrtcDetectedBrowser="opera",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=26,webrtcDetectedType="webkit",webrtcDetectedDCSupport="SCTP";else if(navigator.userAgent.match(/Bowser\/[0-9.]*/g)){hasMatch=navigator.userAgent.match(/Bowser\/[0-9.]*/g)||[];var chromiumVersion=parseInt((navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./i)||[])[2]||"0",10);webrtcDetectedBrowser="bowser",webrtcDetectedVersion=parseFloat((hasMatch[0]||"0/0").split("/")[1],10),webrtcMinimumVersion=0,webrtcDetectedType="webkit",webrtcDetectedDCSupport=chromiumVersion>30?"SCTP":"RTP"}else if(navigator.userAgent.indexOf("OPiOS")>0)hasMatch=navigator.userAgent.match(/OPiOS\/([0-9]+)\./),webrtcDetectedBrowser="opera",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=0,webrtcDetectedType=null,webrtcDetectedDCSupport=null;else if(navigator.userAgent.indexOf("CriOS")>0)hasMatch=navigator.userAgent.match(/CriOS\/([0-9]+)\./)||[],webrtcDetectedBrowser="chrome",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=0,webrtcDetectedType=null,webrtcDetectedDCSupport=null;else if(navigator.userAgent.indexOf("FxiOS")>0)hasMatch=navigator.userAgent.match(/FxiOS\/([0-9]+)\./)||[],webrtcDetectedBrowser="firefox",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=0,webrtcDetectedType=null,webrtcDetectedDCSupport=null;else if(document.documentMode)hasMatch=/\brv[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedBrowser="IE",webrtcDetectedVersion=parseInt(hasMatch[1],10),webrtcMinimumVersion=9,webrtcDetectedType="plugin",webrtcDetectedDCSupport="SCTP",webrtcDetectedVersion||(hasMatch=/\bMSIE[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10));else if(window.StyleMedia||navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))hasMatch=navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)||[],webrtcDetectedBrowser="edge",webrtcDetectedVersion=parseFloat((hasMatch[0]||"0/0").split("/")[1],10),webrtcMinimumVersion=13.10547,webrtcDetectedType="ms",webrtcDetectedDCSupport=null;else if("undefined"!=typeof InstallTrigger||navigator.userAgent.indexOf("irefox")>0)hasMatch=navigator.userAgent.match(/Firefox\/([0-9]+)\./)||[],webrtcDetectedBrowser="firefox",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=33,webrtcDetectedType="moz",webrtcDetectedDCSupport="SCTP";else if(window.chrome&&window.chrome.webstore||navigator.userAgent.indexOf("Chrom")>0)hasMatch=navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./i)||[],webrtcDetectedBrowser="chrome",webrtcDetectedVersion=parseInt(hasMatch[2]||"0",10),webrtcMinimumVersion=38,webrtcDetectedType="webkit",webrtcDetectedDCSupport=webrtcDetectedVersion>30?"SCTP":"RTP";else if(/^((?!chrome|android).)*safari/i.test(navigator.userAgent)){hasMatch=navigator.userAgent.match(/version\/(\d+)/i)||[];var isMobile=navigator.userAgent.match(/(iPhone|iPad)/gi)||[];webrtcDetectedBrowser="safari",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=7,webrtcDetectedType=0===isMobile.length?"plugin":null,webrtcDetectedDCSupport=0===isMobile.length?"SCTP":null}window.webrtcDetectedBrowser=webrtcDetectedBrowser,window.webrtcDetectedVersion=webrtcDetectedVersion,window.webrtcMinimumVersion=webrtcMinimumVersion,window.webrtcDetectedType=webrtcDetectedType,window.webrtcDetectedDCSupport=webrtcDetectedDCSupport},AdapterJS.addEvent=function(elem,evnt,func){elem.addEventListener?elem.addEventListener(evnt,func,!1):elem.attachEvent?elem.attachEvent("on"+evnt,func):elem[evnt]=func},AdapterJS.renderNotificationBar=function(message,buttonText,buttonCallback){if("complete"===document.readyState){var w=window,i=document.createElement("iframe");i.name="adapterjs-alert",i.style.position="fixed",i.style.top="-41px",i.style.left=0,i.style.right=0,i.style.width="100%",i.style.height="40px",i.style.backgroundColor="#ffffe1",i.style.border="none",i.style.borderBottom="1px solid #888888",i.style.zIndex="9999999","string"==typeof i.style.webkitTransition?i.style.webkitTransition="all .5s ease-out":"string"==typeof i.style.transition&&(i.style.transition="all .5s ease-out"),document.body.appendChild(i);var c=i.contentWindow?i.contentWindow:i.contentDocument.document?i.contentDocument.document:i.contentDocument;c.document.open(),c.document.write('<span style="display: inline-block; font-family: Helvetica, Arial,sans-serif; font-size: .9rem; padding: 4px; vertical-align: middle; cursor: default;">'+message+"</span>"),buttonText&&"function"==typeof buttonCallback?(c.document.write('<button id="okay">'+buttonText+'</button><button id="cancel">Cancel</button>'),c.document.close(),AdapterJS.addEvent(c.document.getElementById("okay"),"click",function(e){e.preventDefault();try{e.cancelBubble=!0}catch(error){}buttonCallback(e)}),AdapterJS.addEvent(c.document.getElementById("cancel"),"click",function(e){w.document.body.removeChild(i)})):c.document.close(),setTimeout(function(){"string"==typeof i.style.webkitTransform?i.style.webkitTransform="translateY(40px)":"string"==typeof i.style.transform?i.style.transform="translateY(40px)":i.style.top="0px"},300)}},webrtcDetectedType=null,checkMediaDataChannelSettings=function(peerBrowserAgent,peerBrowserVersion,callback,constraints){if("function"==typeof callback){var beOfferer=!0,isLocalFirefox="firefox"===webrtcDetectedBrowser,isLocalFirefoxInterop="moz"===webrtcDetectedType&&webrtcDetectedVersion>30,isPeerFirefox="firefox"===peerBrowserAgent;if(isLocalFirefox&&isPeerFirefox||isLocalFirefoxInterop)try{delete constraints.mandatory.MozDontOfferDataChannel}catch(error){}else isLocalFirefox&&!isPeerFirefox&&(constraints.mandatory.MozDontOfferDataChannel=!0);if(!isLocalFirefox)for(var prop in constraints.mandatory)constraints.mandatory.hasOwnProperty(prop)&&-1!==prop.indexOf("Moz")&&delete constraints.mandatory[prop];!isLocalFirefox||isPeerFirefox||isLocalFirefoxInterop||(beOfferer=!1),callback(beOfferer,constraints)}},checkIceConnectionState=function(peerId,iceConnectionState,callback){"function"==typeof callback&&(peerId=peerId||"peer",AdapterJS._iceConnectionFiredStates[peerId]&&iceConnectionState!==AdapterJS._iceConnectionStates.disconnected&&iceConnectionState!==AdapterJS._iceConnectionStates.failed&&iceConnectionState!==AdapterJS._iceConnectionStates.closed||(AdapterJS._iceConnectionFiredStates[peerId]=[]),iceConnectionState=AdapterJS._iceConnectionStates[iceConnectionState],AdapterJS._iceConnectionFiredStates[peerId].indexOf(iceConnectionState)<0&&(AdapterJS._iceConnectionFiredStates[peerId].push(iceConnectionState),iceConnectionState===AdapterJS._iceConnectionStates.connected&&setTimeout(function(){AdapterJS._iceConnectionFiredStates[peerId].push(AdapterJS._iceConnectionStates.done),callback(AdapterJS._iceConnectionStates.done)},1e3),callback(iceConnectionState)))},createIceServer=null,createIceServers=null,RTCPeerConnection="function"==typeof RTCPeerConnection?RTCPeerConnection:null,RTCSessionDescription="function"==typeof RTCSessionDescription?RTCSessionDescription:null,RTCIceCandidate="function"==typeof RTCIceCandidate?RTCIceCandidate:null,getUserMedia=null,attachMediaStream=null,reattachMediaStream=null,webrtcDetectedBrowser=null,webrtcDetectedVersion=null,webrtcMinimumVersion=null,!(navigator.mozGetUserMedia||navigator.webkitGetUserMedia||navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))||0===(navigator.userAgent.match(/android/gi)||[]).length&&0===(navigator.userAgent.match(/chrome/gi)||[]).length&&navigator.userAgent.indexOf("Safari/")>0?("object"==typeof console&&"function"==typeof console.log||(console={}||console,console.log=function(arg){},console.info=function(arg){},console.error=function(arg){},console.dir=function(arg){},console.exception=function(arg){},console.trace=function(arg){},console.warn=function(arg){},console.count=function(arg){},console.debug=function(arg){},console.count=function(arg){},console.time=function(arg){},console.timeEnd=function(arg){},console.group=function(arg){},console.groupCollapsed=function(arg){},console.groupEnd=function(arg){}),AdapterJS.parseWebrtcDetectedBrowser(),isIE="IE"===webrtcDetectedBrowser,AdapterJS.WebRTCPlugin.WaitForPluginReady=function(){for(;AdapterJS.WebRTCPlugin.pluginState!==AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY;);},AdapterJS.WebRTCPlugin.callWhenPluginReady=function(callback){if(AdapterJS.WebRTCPlugin.pluginState===AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY)callback();else var checkPluginReadyState=setInterval(function(){AdapterJS.WebRTCPlugin.pluginState===AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY&&(clearInterval(checkPluginReadyState),callback())},100)},AdapterJS.WebRTCPlugin.setLogLevel=function(logLevel){AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.setLogLevel(logLevel)})},AdapterJS.WebRTCPlugin.injectPlugin=function(){if("complete"===document.readyState&&AdapterJS.WebRTCPlugin.pluginState===AdapterJS.WebRTCPlugin.PLUGIN_STATES.INITIALIZING){if(AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.INJECTING,"IE"===webrtcDetectedBrowser&&webrtcDetectedVersion<=10){var frag=document.createDocumentFragment();for(AdapterJS.WebRTCPlugin.plugin=document.createElement("div"),AdapterJS.WebRTCPlugin.plugin.innerHTML='<object id="'+AdapterJS.WebRTCPlugin.pluginInfo.pluginId+'" type="'+AdapterJS.WebRTCPlugin.pluginInfo.type+'" width="1" height="1"><param name="pluginId" value="'+AdapterJS.WebRTCPlugin.pluginInfo.pluginId+'" /> <param name="windowless" value="false" /> <param name="pageId" value="'+AdapterJS.WebRTCPlugin.pageId+'" /> <param name="onload" value="'+AdapterJS.WebRTCPlugin.pluginInfo.onload+'" /><param name="tag" value="'+AdapterJS.WebRTCPlugin.TAGS.NONE+'" />'+(AdapterJS.options.getAllCams?'<param name="forceGetAllCams" value="True" />':"")+"</object>";AdapterJS.WebRTCPlugin.plugin.firstChild;)frag.appendChild(AdapterJS.WebRTCPlugin.plugin.firstChild);document.body.appendChild(frag),AdapterJS.WebRTCPlugin.plugin=document.getElementById(AdapterJS.WebRTCPlugin.pluginInfo.pluginId)}else AdapterJS.WebRTCPlugin.plugin=document.createElement("object"),AdapterJS.WebRTCPlugin.plugin.id=AdapterJS.WebRTCPlugin.pluginInfo.pluginId,isIE?(AdapterJS.WebRTCPlugin.plugin.width="1px",AdapterJS.WebRTCPlugin.plugin.height="1px"):(AdapterJS.WebRTCPlugin.plugin.width="0px",AdapterJS.WebRTCPlugin.plugin.height="0px"),AdapterJS.WebRTCPlugin.plugin.type=AdapterJS.WebRTCPlugin.pluginInfo.type,AdapterJS.WebRTCPlugin.plugin.innerHTML='<param name="onload" value="'+AdapterJS.WebRTCPlugin.pluginInfo.onload+'"><param name="pluginId" value="'+AdapterJS.WebRTCPlugin.pluginInfo.pluginId+'"><param name="windowless" value="false" /> '+(AdapterJS.options.getAllCams?'<param name="forceGetAllCams" value="True" />':"")+'<param name="pageId" value="'+AdapterJS.WebRTCPlugin.pageId+'"><param name="tag" value="'+AdapterJS.WebRTCPlugin.TAGS.NONE+'" />',document.body.appendChild(AdapterJS.WebRTCPlugin.plugin);AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.INJECTED}},AdapterJS.WebRTCPlugin.isPluginInstalled=function(comName,plugName,plugType,installedCb,notInstalledCb){if(isIE){try{new ActiveXObject(comName+"."+plugName)}catch(e){return void notInstalledCb()}installedCb()}else{for(var pluginArray=navigator.mimeTypes,i=0;i<pluginArray.length;i++)if(pluginArray[i].type.indexOf(plugType)>=0)return void installedCb();notInstalledCb()}},AdapterJS.WebRTCPlugin.defineWebRTCInterface=function(){if(AdapterJS.WebRTCPlugin.pluginState!==AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY){AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.INITIALIZING,AdapterJS.isDefined=function(variable){return null!==variable&&void 0!==variable},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");return 0===urlParts[0].indexOf("stun")?iceServer={url:url,hasCredentials:!1}:0===urlParts[0].indexOf("turn")&&(iceServer={url:url,hasCredentials:!0,credential:password,username:username}),iceServer},createIceServers=function(urls,username,password){for(var iceServers=[],i=0;i<urls.length;++i)iceServers.push(createIceServer(urls[i],username,password));return iceServers},RTCSessionDescription=function(info){return AdapterJS.WebRTCPlugin.WaitForPluginReady(),AdapterJS.WebRTCPlugin.plugin.ConstructSessionDescription(info.type,info.sdp)},RTCPeerConnection=function(servers,constraints){if(void 0!==servers&&null!==servers&&!Array.isArray(servers.iceServers))throw new Error("Failed to construct 'RTCPeerConnection': Malformed RTCConfiguration");if(void 0!==constraints&&null!==constraints){var invalidConstraits=!1;if(invalidConstraits|="object"!=typeof constraints,invalidConstraits|=constraints.hasOwnProperty("mandatory")&&void 0!==constraints.mandatory&&null!==constraints.mandatory&&constraints.mandatory.constructor!==Object,invalidConstraits|=constraints.hasOwnProperty("optional")&&void 0!==constraints.optional&&null!==constraints.optional&&!Array.isArray(constraints.optional))throw new Error("Failed to construct 'RTCPeerConnection': Malformed constraints object")}AdapterJS.WebRTCPlugin.WaitForPluginReady();var iceServers=null;if(servers&&Array.isArray(servers.iceServers)){iceServers=servers.iceServers;for(var i=0;i<iceServers.length;i++)iceServers[i].urls&&!iceServers[i].url&&(iceServers[i].url=iceServers[i].urls),iceServers[i].hasCredentials=AdapterJS.isDefined(iceServers[i].username)&&AdapterJS.isDefined(iceServers[i].credential)}if(AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION&&AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION>1)return iceServers&&(servers.iceServers=iceServers),AdapterJS.WebRTCPlugin.plugin.PeerConnection(servers);var mandatory=constraints&&constraints.mandatory?constraints.mandatory:null,optional=constraints&&constraints.optional?constraints.optional:null;return AdapterJS.WebRTCPlugin.plugin.PeerConnection(AdapterJS.WebRTCPlugin.pageId,iceServers,mandatory,optional)},MediaStreamTrack=function(){},MediaStreamTrack.getSources=function(callback){AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.GetSources(callback)})};var constraintsToPlugin=function(c){if("object"!=typeof c||c.mandatory||c.optional)return c;var cc={};return Object.keys(c).forEach(function(key){if("require"!==key&&"advanced"!==key&&"mediaSource"!==key){var r="object"==typeof c[key]?c[key]:{ideal:c[key]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);var oldname=function(prefix,name){return prefix?prefix+name.charAt(0).toUpperCase()+name.slice(1):"deviceId"===name?"sourceId":name};if(void 0!==r.ideal){cc.optional=cc.optional||[];var oc={};"number"==typeof r.ideal?(oc[oldname("min",key)]=r.ideal,cc.optional.push(oc),oc={},oc[oldname("max",key)]=r.ideal,cc.optional.push(oc)):(oc[oldname("",key)]=r.ideal,cc.optional.push(oc))}void 0!==r.exact&&"number"!=typeof r.exact?(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname("",key)]=r.exact):["min","max"].forEach(function(mix){void 0!==r[mix]&&(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname(mix,key)]=r[mix])})}}),c.advanced&&(cc.optional=(cc.optional||[]).concat(c.advanced)),cc};getUserMedia=function(constraints,successCallback,failureCallback){var cc={};cc.audio=!!constraints.audio&&constraintsToPlugin(constraints.audio),cc.video=!!constraints.video&&constraintsToPlugin(constraints.video),AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.getUserMedia(cc,successCallback,failureCallback)})},window.navigator.getUserMedia=getUserMedia,navigator.mediaDevices||"undefined"==typeof Promise||(requestUserMedia=function(constraints){return new Promise(function(resolve,reject){getUserMedia(constraints,resolve,reject)})},navigator.mediaDevices={getUserMedia:requestUserMedia,enumerateDevices:function(){return new Promise(function(resolve){var kinds={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(devices){resolve(devices.map(function(device){return{label:device.label,kind:kinds[device.kind],id:device.id,deviceId:device.id,groupId:""}}))})})}}),attachMediaStream=function(element,stream){if(element&&element.parentNode){var streamId;null===stream?streamId="":(void 0!==stream.enableSoundTracks&&stream.enableSoundTracks(!0),streamId=stream.id);var elementId=0===element.id.length?Math.random().toString(36).slice(2):element.id,nodeName=element.nodeName.toLowerCase();if("object"!==nodeName){var tag;switch(nodeName){case"audio":tag=AdapterJS.WebRTCPlugin.TAGS.AUDIO;break;case"video":tag=AdapterJS.WebRTCPlugin.TAGS.VIDEO;break;default:tag=AdapterJS.WebRTCPlugin.TAGS.NONE}var frag=document.createDocumentFragment(),temp=document.createElement("div"),classHTML="";for(element.className?classHTML='class="'+element.className+'" ':element.attributes&&element.attributes.class&&(classHTML='class="'+element.attributes.class.value+'" '),temp.innerHTML='<object id="'+elementId+'" '+classHTML+'type="'+AdapterJS.WebRTCPlugin.pluginInfo.type+'"><param name="pluginId" value="'+elementId+'" /> <param name="pageId" value="'+AdapterJS.WebRTCPlugin.pageId+'" /> <param name="windowless" value="true" /> <param name="streamId" value="'+streamId+'" /> <param name="tag" value="'+tag+'" /> </object>';temp.firstChild;)frag.appendChild(temp.firstChild);var height="",width="";element.clientWidth||element.clientHeight?(width=element.clientWidth,height=element.clientHeight):(element.width||element.height)&&(width=element.width,height=element.height),element.parentNode.insertBefore(frag,element),frag=document.getElementById(elementId),frag.width=width,frag.height=height,element.parentNode.removeChild(element)}else{for(var children=element.children,i=0;i!==children.length;++i)if("streamId"===children[i].name){children[i].value=streamId;break}element.setStreamId(streamId)}var newElement=document.getElementById(elementId);return AdapterJS.forwardEventHandlers(newElement,element,Object.getPrototypeOf(element)),newElement}},reattachMediaStream=function(to,from){for(var stream=null,children=from.children,i=0;i!==children.length;++i)if("streamId"===children[i].name){AdapterJS.WebRTCPlugin.WaitForPluginReady(),stream=AdapterJS.WebRTCPlugin.plugin.getStreamWithId(AdapterJS.WebRTCPlugin.pageId,children[i].value);break}if(null!==stream)return attachMediaStream(to,stream)},window.attachMediaStream=attachMediaStream,window.reattachMediaStream=reattachMediaStream,window.getUserMedia=getUserMedia,AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,AdapterJS.forwardEventHandlers=function(destElem,srcElem,prototype){var properties=Object.getOwnPropertyNames(prototype);for(var prop in properties)if(prop){var propName=properties[prop];"function"==typeof propName.slice&&"on"===propName.slice(0,2)&&"function"==typeof srcElem[propName]&&AdapterJS.addEvent(destElem,propName.slice(2),srcElem[propName])}var subPrototype=Object.getPrototypeOf(prototype);subPrototype&&AdapterJS.forwardEventHandlers(destElem,srcElem,subPrototype)},RTCIceCandidate=function(candidate){return candidate.sdpMid||(candidate.sdpMid=""),AdapterJS.WebRTCPlugin.WaitForPluginReady(),AdapterJS.WebRTCPlugin.plugin.ConstructIceCandidate(candidate.sdpMid,candidate.sdpMLineIndex,candidate.candidate)},AdapterJS.addEvent(document,"readystatechange",AdapterJS.WebRTCPlugin.injectPlugin),AdapterJS.WebRTCPlugin.injectPlugin()}},AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb=AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb||function(){AdapterJS.addEvent(document,"readystatechange",AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv),AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv()},AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv=function(){if(!AdapterJS.options.hidePluginInstallPrompt){var downloadLink=AdapterJS.WebRTCPlugin.pluginInfo.downloadLink;if(downloadLink){var popupString;popupString=AdapterJS.WebRTCPlugin.pluginInfo.portalLink?'This website requires you to install the  <a href="'+AdapterJS.WebRTCPlugin.pluginInfo.portalLink+'" target="_blank">'+AdapterJS.WebRTCPlugin.pluginInfo.companyName+" WebRTC Plugin</a> to work on this browser.":AdapterJS.TEXT.PLUGIN.REQUIRE_INSTALLATION,AdapterJS.renderNotificationBar(popupString,AdapterJS.TEXT.PLUGIN.BUTTON,function(){window.open(downloadLink,"_top");var pluginInstallInterval=setInterval(function(){isIE||navigator.plugins.refresh(!1),AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,AdapterJS.WebRTCPlugin.pluginInfo.type,function(){clearInterval(pluginInstallInterval),AdapterJS.WebRTCPlugin.defineWebRTCInterface()},function(){})},500)})}else AdapterJS.renderNotificationBar(AdapterJS.TEXT.PLUGIN.NOT_SUPPORTED)}},AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,AdapterJS.WebRTCPlugin.pluginInfo.type,AdapterJS.WebRTCPlugin.defineWebRTCInterface,AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb)):(!function(f){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=f();else if("function"==typeof define&&define.amd)define([],f);else{var g;g="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,g.adapter=f()}}(function(){return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a="function"==typeof require&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n||e)},l,l.exports,e,t,n,r)}return n[o].exports}for(var i="function"==typeof require&&require,o=0;o<r.length;o++)s(r[o]);return s}({1:[function(requirecopy,module,exports){"use strict";var SDPUtils={};SDPUtils.generateIdentifier=function(){return Math.random().toString(36).substr(2,10)},SDPUtils.localCName=SDPUtils.generateIdentifier(),SDPUtils.splitLines=function(blob){return blob.trim().split("\n").map(function(line){return line.trim()})},SDPUtils.splitSections=function(blob){return blob.split("\nm=").map(function(part,index){return(index>0?"m="+part:part).trim()+"\r\n"})},SDPUtils.matchPrefix=function(blob,prefix){return SDPUtils.splitLines(blob).filter(function(line){return 0===line.indexOf(prefix)})},SDPUtils.parseCandidate=function(line){var parts;parts=0===line.indexOf("a=candidate:")?line.substring(12).split(" "):line.substring(10).split(" ");for(var candidate={foundation:parts[0],component:parts[1],protocol:parts[2].toLowerCase(),priority:parseInt(parts[3],10),ip:parts[4],port:parseInt(parts[5],10),type:parts[7]},i=8;i<parts.length;i+=2)switch(parts[i]){case"raddr":candidate.relatedAddress=parts[i+1];break;case"rport":candidate.relatedPort=parseInt(parts[i+1],10);break;case"tcptype":candidate.tcpType=parts[i+1]}return candidate},SDPUtils.writeCandidate=function(candidate){var sdp=[];sdp.push(candidate.foundation),sdp.push(candidate.component),sdp.push(candidate.protocol.toUpperCase()),sdp.push(candidate.priority),sdp.push(candidate.ip),sdp.push(candidate.port);var type=candidate.type;return sdp.push("typ"),sdp.push(type),"host"!==type&&candidate.relatedAddress&&candidate.relatedPort&&(sdp.push("raddr"),sdp.push(candidate.relatedAddress),sdp.push("rport"),sdp.push(candidate.relatedPort)),candidate.tcpType&&"tcp"===candidate.protocol.toLowerCase()&&(sdp.push("tcptype"),sdp.push(candidate.tcpType)),"candidate:"+sdp.join(" ")},SDPUtils.parseRtpMap=function(line){var parts=line.substr(9).split(" "),parsed={payloadType:parseInt(parts.shift(),10)};return parts=parts[0].split("/"),parsed.name=parts[0],parsed.clockRate=parseInt(parts[1],10),parsed.numChannels=3===parts.length?parseInt(parts[2],10):1,parsed},SDPUtils.writeRtpMap=function(codec){var pt=codec.payloadType;return void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),"a=rtpmap:"+pt+" "+codec.name+"/"+codec.clockRate+(1!==codec.numChannels?"/"+codec.numChannels:"")+"\r\n"},SDPUtils.parseExtmap=function(line){var parts=line.substr(9).split(" ");return{id:parseInt(parts[0],10),uri:parts[1]}},SDPUtils.writeExtmap=function(headerExtension){return"a=extmap:"+(headerExtension.id||headerExtension.preferredId)+" "+headerExtension.uri+"\r\n"},SDPUtils.parseFmtp=function(line){for(var kv,parsed={},parts=line.substr(line.indexOf(" ")+1).split(";"),j=0;j<parts.length;j++)kv=parts[j].trim().split("="),parsed[kv[0].trim()]=kv[1];return parsed},SDPUtils.writeFmtp=function(codec){var line="",pt=codec.payloadType;if(void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),codec.parameters&&Object.keys(codec.parameters).length){var params=[];Object.keys(codec.parameters).forEach(function(param){params.push(param+"="+codec.parameters[param])}),line+="a=fmtp:"+pt+" "+params.join(";")+"\r\n"}return line},SDPUtils.parseRtcpFb=function(line){var parts=line.substr(line.indexOf(" ")+1).split(" ");return{type:parts.shift(),parameter:parts.join(" ")}},SDPUtils.writeRtcpFb=function(codec){var lines="",pt=codec.payloadType;return void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),codec.rtcpFeedback&&codec.rtcpFeedback.length&&codec.rtcpFeedback.forEach(function(fb){lines+="a=rtcp-fb:"+pt+" "+fb.type+(fb.parameter&&fb.parameter.length?" "+fb.parameter:"")+"\r\n"}),lines},SDPUtils.parseSsrcMedia=function(line){var sp=line.indexOf(" "),parts={ssrc:parseInt(line.substr(7,sp-7),10)},colon=line.indexOf(":",sp);return colon>-1?(parts.attribute=line.substr(sp+1,colon-sp-1),parts.value=line.substr(colon+1)):parts.attribute=line.substr(sp+1),parts},SDPUtils.getMid=function(mediaSection){var mid=SDPUtils.matchPrefix(mediaSection,"a=mid:")[0];if(mid)return mid.substr(6)},SDPUtils.getDtlsParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);lines=lines.concat(SDPUtils.splitLines(sessionpart));var fpLine=lines.filter(function(line){return 0===line.indexOf("a=fingerprint:")})[0].substr(14);return{role:"auto",fingerprints:[{algorithm:fpLine.split(" ")[0].toLowerCase(),value:fpLine.split(" ")[1]}]}},SDPUtils.writeDtlsParameters=function(params,setupType){var sdp="a=setup:"+setupType+"\r\n";return params.fingerprints.forEach(function(fp){sdp+="a=fingerprint:"+fp.algorithm+" "+fp.value+"\r\n"}),sdp},SDPUtils.getIceParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);return lines=lines.concat(SDPUtils.splitLines(sessionpart)),{usernameFragment:lines.filter(function(line){return 0===line.indexOf("a=ice-ufrag:")})[0].substr(12),password:lines.filter(function(line){return 0===line.indexOf("a=ice-pwd:")})[0].substr(10)}},SDPUtils.writeIceParameters=function(params){return"a=ice-ufrag:"+params.usernameFragment+"\r\na=ice-pwd:"+params.password+"\r\n"},SDPUtils.parseRtpParameters=function(mediaSection){for(var description={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},lines=SDPUtils.splitLines(mediaSection),mline=lines[0].split(" "),i=3;i<mline.length;i++){var pt=mline[i],rtpmapline=SDPUtils.matchPrefix(mediaSection,"a=rtpmap:"+pt+" ")[0];if(rtpmapline){var codec=SDPUtils.parseRtpMap(rtpmapline),fmtps=SDPUtils.matchPrefix(mediaSection,"a=fmtp:"+pt+" ");switch(codec.parameters=fmtps.length?SDPUtils.parseFmtp(fmtps[0]):{},codec.rtcpFeedback=SDPUtils.matchPrefix(mediaSection,"a=rtcp-fb:"+pt+" ").map(SDPUtils.parseRtcpFb),description.codecs.push(codec),codec.name.toUpperCase()){case"RED":case"ULPFEC":description.fecMechanisms.push(codec.name.toUpperCase())}}}return SDPUtils.matchPrefix(mediaSection,"a=extmap:").forEach(function(line){description.headerExtensions.push(SDPUtils.parseExtmap(line))}),description},SDPUtils.writeRtpDescription=function(kind,caps){var sdp="";sdp+="m="+kind+" ",sdp+=caps.codecs.length>0?"9":"0",sdp+=" UDP/TLS/RTP/SAVPF ",sdp+=caps.codecs.map(function(codec){return void 0!==codec.preferredPayloadType?codec.preferredPayloadType:codec.payloadType}).join(" ")+"\r\n",sdp+="c=IN IP4 0.0.0.0\r\n",sdp+="a=rtcp:9 IN IP4 0.0.0.0\r\n",caps.codecs.forEach(function(codec){sdp+=SDPUtils.writeRtpMap(codec),sdp+=SDPUtils.writeFmtp(codec),sdp+=SDPUtils.writeRtcpFb(codec)});var maxptime=0
-;return caps.codecs.forEach(function(codec){codec.maxptime>maxptime&&(maxptime=codec.maxptime)}),maxptime>0&&(sdp+="a=maxptime:"+maxptime+"\r\n"),sdp+="a=rtcp-mux\r\n",caps.headerExtensions.forEach(function(extension){sdp+=SDPUtils.writeExtmap(extension)}),sdp},SDPUtils.parseRtpEncodingParameters=function(mediaSection){var secondarySsrc,encodingParameters=[],description=SDPUtils.parseRtpParameters(mediaSection),hasRed=-1!==description.fecMechanisms.indexOf("RED"),hasUlpfec=-1!==description.fecMechanisms.indexOf("ULPFEC"),ssrcs=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(parts){return"cname"===parts.attribute}),primarySsrc=ssrcs.length>0&&ssrcs[0].ssrc,flows=SDPUtils.matchPrefix(mediaSection,"a=ssrc-group:FID").map(function(line){var parts=line.split(" ");return parts.shift(),parts.map(function(part){return parseInt(part,10)})});flows.length>0&&flows[0].length>1&&flows[0][0]===primarySsrc&&(secondarySsrc=flows[0][1]),description.codecs.forEach(function(codec){if("RTX"===codec.name.toUpperCase()&&codec.parameters.apt){var encParam={ssrc:primarySsrc,codecPayloadType:parseInt(codec.parameters.apt,10),rtx:{ssrc:secondarySsrc}};encodingParameters.push(encParam),hasRed&&(encParam=JSON.parse(JSON.stringify(encParam)),encParam.fec={ssrc:secondarySsrc,mechanism:hasUlpfec?"red+ulpfec":"red"},encodingParameters.push(encParam))}}),0===encodingParameters.length&&primarySsrc&&encodingParameters.push({ssrc:primarySsrc});var bandwidth=SDPUtils.matchPrefix(mediaSection,"b=");return bandwidth.length&&(0===bandwidth[0].indexOf("b=TIAS:")?bandwidth=parseInt(bandwidth[0].substr(7),10):0===bandwidth[0].indexOf("b=AS:")&&(bandwidth=parseInt(bandwidth[0].substr(5),10)),encodingParameters.forEach(function(params){params.maxBitrate=bandwidth})),encodingParameters},SDPUtils.parseRtcpParameters=function(mediaSection){var rtcpParameters={},remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return"cname"===obj.attribute})[0];remoteSsrc&&(rtcpParameters.cname=remoteSsrc.value,rtcpParameters.ssrc=remoteSsrc.ssrc);var rsize=SDPUtils.matchPrefix(mediaSection,"a=rtcp-rsize");rtcpParameters.reducedSize=rsize.length>0,rtcpParameters.compound=0===rsize.length;var mux=SDPUtils.matchPrefix(mediaSection,"a=rtcp-mux");return rtcpParameters.mux=mux.length>0,rtcpParameters},SDPUtils.parseMsid=function(mediaSection){var parts,spec=SDPUtils.matchPrefix(mediaSection,"a=msid:");if(1===spec.length)return parts=spec[0].substr(7).split(" "),{stream:parts[0],track:parts[1]};var planB=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(parts){return"msid"===parts.attribute});return planB.length>0?(parts=planB[0].value.split(" "),{stream:parts[0],track:parts[1]}):void 0},SDPUtils.writeSessionBoilerplate=function(){return"v=0\r\no=thisisadapterortc 8169639915646943137 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},SDPUtils.writeMediaSection=function(transceiver,caps,type,stream){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);if(sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters()),sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),"offer"===type?"actpass":"active"),sdp+="a=mid:"+transceiver.mid+"\r\n",transceiver.rtpSender&&transceiver.rtpReceiver?sdp+="a=sendrecv\r\n":transceiver.rtpSender?sdp+="a=sendonly\r\n":transceiver.rtpReceiver?sdp+="a=recvonly\r\n":sdp+="a=inactive\r\n",transceiver.rtpSender){var msid="msid:"+stream.id+" "+transceiver.rtpSender.track.id+"\r\n";sdp+="a="+msid,sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" "+msid,transceiver.sendEncodingParameters[0].rtx&&(sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" "+msid,sdp+="a=ssrc-group:FID "+transceiver.sendEncodingParameters[0].ssrc+" "+transceiver.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" cname:"+SDPUtils.localCName+"\r\n",transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx&&(sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" cname:"+SDPUtils.localCName+"\r\n"),sdp},SDPUtils.getDirection=function(mediaSection,sessionpart){for(var lines=SDPUtils.splitLines(mediaSection),i=0;i<lines.length;i++)switch(lines[i]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return lines[i].substr(2)}return sessionpart?SDPUtils.getDirection(sessionpart):"sendrecv"},SDPUtils.getKind=function(mediaSection){return SDPUtils.splitLines(mediaSection)[0].split(" ")[0].substr(2)},SDPUtils.isRejected=function(mediaSection){return"0"===mediaSection.split(" ",2)[1]},module.exports=SDPUtils},{}],2:[function(requirecopy,module,exports){"use strict";!function(){var logging=requirecopy("./utils").log,browserDetails=requirecopy("./utils").browserDetails;module.exports.browserDetails=browserDetails,module.exports.extractVersion=requirecopy("./utils").extractVersion,module.exports.disableLog=requirecopy("./utils").disableLog;var chromeShim=requirecopy("./chrome/chrome_shim")||null,edgeShim=requirecopy("./edge/edge_shim")||null,firefoxShim=requirecopy("./firefox/firefox_shim")||null,safariShim=requirecopy("./safari/safari_shim")||null;switch(browserDetails.browser){case"opera":case"chrome":if(!chromeShim||!chromeShim.shimPeerConnection)return void logging("Chrome shim is not included in this adapter release.");logging("adapter.js shimming chrome."),module.exports.browserShim=chromeShim,chromeShim.shimGetUserMedia(),chromeShim.shimMediaStream(),chromeShim.shimSourceObject(),chromeShim.shimPeerConnection(),chromeShim.shimOnTrack();break;case"firefox":if(!firefoxShim||!firefoxShim.shimPeerConnection)return void logging("Firefox shim is not included in this adapter release.");logging("adapter.js shimming firefox."),module.exports.browserShim=firefoxShim,firefoxShim.shimGetUserMedia(),firefoxShim.shimSourceObject(),firefoxShim.shimPeerConnection(),firefoxShim.shimOnTrack();break;case"edge":if(!edgeShim||!edgeShim.shimPeerConnection)return void logging("MS edge shim is not included in this adapter release.");logging("adapter.js shimming edge."),module.exports.browserShim=edgeShim,edgeShim.shimGetUserMedia(),edgeShim.shimPeerConnection();break;case"safari":if(!safariShim)return void logging("Safari shim is not included in this adapter release.");logging("adapter.js shimming safari."),module.exports.browserShim=safariShim,safariShim.shimGetUserMedia();break;default:logging("Unsupported browser!")}}()},{"./chrome/chrome_shim":3,"./edge/edge_shim":5,"./firefox/firefox_shim":7,"./safari/safari_shim":9,"./utils":10}],3:[function(requirecopy,module,exports){"use strict";var logging=requirecopy("../utils.js").log,browserDetails=requirecopy("../utils.js").browserDetails,chromeShim={shimMediaStream:function(){window.MediaStream=window.MediaStream||window.webkitMediaStream},shimOnTrack:function(){"object"!=typeof window||!window.RTCPeerConnection||"ontrack"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(f){var self=this;this._ontrack&&(this.removeEventListener("track",this._ontrack),this.removeEventListener("addstream",this._ontrackpoly)),this.addEventListener("track",this._ontrack=f),this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.addEventListener("addtrack",function(te){var event=new Event("track");event.track=te.track,event.receiver={track:te.track},event.streams=[e.stream],self.dispatchEvent(event)}),e.stream.getTracks().forEach(function(track){var event=new Event("track");event.track=track,event.receiver={track:track},event.streams=[e.stream],this.dispatchEvent(event)}.bind(this))}.bind(this))}})},shimSourceObject:function(){"object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this._srcObject},set:function(stream){var self=this;if(this._srcObject=stream,this.src&&URL.revokeObjectURL(this.src),!stream)return void(this.src="");this.src=URL.createObjectURL(stream),stream.addEventListener("addtrack",function(){self.src&&URL.revokeObjectURL(self.src),self.src=URL.createObjectURL(stream)}),stream.addEventListener("removetrack",function(){self.src&&URL.revokeObjectURL(self.src),self.src=URL.createObjectURL(stream)})}}))},shimPeerConnection:function(){window.RTCPeerConnection=function(pcConfig,pcConstraints){logging("PeerConnection"),pcConfig&&pcConfig.iceTransportPolicy&&(pcConfig.iceTransports=pcConfig.iceTransportPolicy);var pc=new webkitRTCPeerConnection(pcConfig,pcConstraints),origGetStats=pc.getStats.bind(pc);return pc.getStats=function(selector,successCallback,errorCallback){var self=this,args=arguments;if(arguments.length>0&&"function"==typeof selector)return origGetStats(selector,successCallback);var fixChromeStats_=function(response){var standardReport={};return response.result().forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name)}),standardReport[standardStats.id]=standardStats}),standardReport},makeMapStats=function(stats,legacyStats){var map=new Map(Object.keys(stats).map(function(key){return[key,stats[key]]}));return legacyStats=legacyStats||stats,Object.keys(legacyStats).forEach(function(key){map[key]=legacyStats[key]}),map};if(arguments.length>=2){var successCallbackWrapper_=function(response){args[1](makeMapStats(fixChromeStats_(response)))};return origGetStats.apply(this,[successCallbackWrapper_,arguments[0]])}return new Promise(function(resolve,reject){1===args.length&&"object"==typeof selector?origGetStats.apply(self,[function(response){resolve(makeMapStats(fixChromeStats_(response)))},reject]):origGetStats.apply(self,[function(response){resolve(makeMapStats(fixChromeStats_(response),response.result()))},reject])}).then(successCallback,errorCallback)},pc},window.RTCPeerConnection.prototype=webkitRTCPeerConnection.prototype,webkitRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return webkitRTCPeerConnection.generateCertificate}}),["createOffer","createAnswer"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){var self=this;if(arguments.length<1||1===arguments.length&&"object"==typeof arguments[0]){var opts=1===arguments.length?arguments[0]:void 0;return new Promise(function(resolve,reject){nativeMethod.apply(self,[resolve,reject,opts])})}return nativeMethod.apply(this,arguments)}}),browserDetails.version<51&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){var args=arguments,self=this,promise=new Promise(function(resolve,reject){nativeMethod.apply(self,[args[0],resolve,reject])});return args.length<2?promise:promise.then(function(){args[1].apply(null,[])},function(err){args.length>=3&&args[2].apply(null,[err])})}}),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){return arguments[0]=new("addIceCandidate"===method?RTCIceCandidate:RTCSessionDescription)(arguments[0]),nativeMethod.apply(this,arguments)}});var nativeAddIceCandidate=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){return null===arguments[0]?Promise.resolve():nativeAddIceCandidate.apply(this,arguments)}}};module.exports={shimMediaStream:chromeShim.shimMediaStream,shimOnTrack:chromeShim.shimOnTrack,shimSourceObject:chromeShim.shimSourceObject,shimPeerConnection:chromeShim.shimPeerConnection,shimGetUserMedia:requirecopy("./getusermedia")}},{"../utils.js":10,"./getusermedia":4}],4:[function(requirecopy,module,exports){"use strict";var logging=requirecopy("../utils.js").log;module.exports=function(){var constraintsToChrome_=function(c){if("object"!=typeof c||c.mandatory||c.optional)return c;var cc={};return Object.keys(c).forEach(function(key){if("require"!==key&&"advanced"!==key&&"mediaSource"!==key){var r="object"==typeof c[key]?c[key]:{ideal:c[key]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);var oldname_=function(prefix,name){return prefix?prefix+name.charAt(0).toUpperCase()+name.slice(1):"deviceId"===name?"sourceId":name};if(void 0!==r.ideal){cc.optional=cc.optional||[];var oc={};"number"==typeof r.ideal?(oc[oldname_("min",key)]=r.ideal,cc.optional.push(oc),oc={},oc[oldname_("max",key)]=r.ideal,cc.optional.push(oc)):(oc[oldname_("",key)]=r.ideal,cc.optional.push(oc))}void 0!==r.exact&&"number"!=typeof r.exact?(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname_("",key)]=r.exact):["min","max"].forEach(function(mix){void 0!==r[mix]&&(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname_(mix,key)]=r[mix])})}}),c.advanced&&(cc.optional=(cc.optional||[]).concat(c.advanced)),cc},shimConstraints_=function(constraints,func){if(constraints=JSON.parse(JSON.stringify(constraints)),constraints&&constraints.audio&&(constraints.audio=constraintsToChrome_(constraints.audio)),constraints&&"object"==typeof constraints.video){var face=constraints.video.facingMode;if((face=face&&("object"==typeof face?face:{ideal:face}))&&("user"===face.exact||"environment"===face.exact||"user"===face.ideal||"environment"===face.ideal)&&(!navigator.mediaDevices.getSupportedConstraints||!navigator.mediaDevices.getSupportedConstraints().facingMode)&&(delete constraints.video.facingMode,"environment"===face.exact||"environment"===face.ideal))return navigator.mediaDevices.enumerateDevices().then(function(devices){devices=devices.filter(function(d){return"videoinput"===d.kind});var back=devices.find(function(d){return-1!==d.label.toLowerCase().indexOf("back")})||devices.length&&devices[devices.length-1];return back&&(constraints.video.deviceId=face.exact?{exact:back.deviceId}:{ideal:back.deviceId}),constraints.video=constraintsToChrome_(constraints.video),logging("chrome: "+JSON.stringify(constraints)),func(constraints)});constraints.video=constraintsToChrome_(constraints.video)}return logging("chrome: "+JSON.stringify(constraints)),func(constraints)},shimError_=function(e){return{name:{PermissionDeniedError:"NotAllowedError",ConstraintNotSatisfiedError:"OverconstrainedError"}[e.name]||e.name,message:e.message,constraint:e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}},getUserMedia_=function(constraints,onSuccess,onError){shimConstraints_(constraints,function(c){navigator.webkitGetUserMedia(c,onSuccess,function(e){onError(shimError_(e))})})};navigator.getUserMedia=getUserMedia_;var getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){navigator.getUserMedia(constraints,resolve,reject)})};if(navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:getUserMediaPromise_,enumerateDevices:function(){return new Promise(function(resolve){var kinds={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(devices){resolve(devices.map(function(device){return{label:device.label,kind:kinds[device.kind],deviceId:device.id,groupId:""}}))})})}}),navigator.mediaDevices.getUserMedia){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(cs){return shimConstraints_(cs,function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e))})})}}else navigator.mediaDevices.getUserMedia=function(constraints){return getUserMediaPromise_(constraints)};void 0===navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){logging("Dummy mediaDevices.addEventListener called.")}),void 0===navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){logging("Dummy mediaDevices.removeEventListener called.")})}},{"../utils.js":10}],5:[function(requirecopy,module,exports){"use strict";var SDPUtils=requirecopy("sdp"),browserDetails=requirecopy("../utils").browserDetails,edgeShim={shimPeerConnection:function(){window.RTCIceGatherer&&(window.RTCIceCandidate||(window.RTCIceCandidate=function(args){return args}),window.RTCSessionDescription||(window.RTCSessionDescription=function(args){return args})),window.RTCPeerConnection=function(config){var self=this,_eventTarget=document.createDocumentFragment();if(["addEventListener","removeEventListener","dispatchEvent"].forEach(function(method){self[method]=_eventTarget[method].bind(_eventTarget)}),this.onicecandidate=null,this.onaddstream=null,this.ontrack=null,this.onremovestream=null,this.onsignalingstatechange=null,this.oniceconnectionstatechange=null,this.onnegotiationneeded=null,this.ondatachannel=null,this.localStreams=[],this.remoteStreams=[],this.getLocalStreams=function(){return self.localStreams},this.getRemoteStreams=function(){return self.remoteStreams},this.localDescription=new RTCSessionDescription({type:"",sdp:""}),this.remoteDescription=new RTCSessionDescription({type:"",sdp:""}),this.signalingState="stable",this.iceConnectionState="new",this.iceGatheringState="new",this.iceOptions={gatherPolicy:"all",iceServers:[]},config&&config.iceTransportPolicy)switch(config.iceTransportPolicy){case"all":case"relay":this.iceOptions.gatherPolicy=config.iceTransportPolicy;break;case"none":throw new TypeError('iceTransportPolicy "none" not supported')}if(this.usingBundle=config&&"max-bundle"===config.bundlePolicy,config&&config.iceServers){var iceServers=JSON.parse(JSON.stringify(config.iceServers));this.iceOptions.iceServers=iceServers.filter(function(server){if(server&&server.urls){var urls=server.urls;return"string"==typeof urls&&(urls=[urls]),!!(urls=urls.filter(function(url){return 0===url.indexOf("turn:")&&-1!==url.indexOf("transport=udp")&&-1===url.indexOf("turn:[")||0===url.indexOf("stun:")&&browserDetails.version>=14393})[0])}return!1})}this.transceivers=[],this._localIceCandidatesBuffer=[]},window.RTCPeerConnection.prototype._emitBufferedCandidates=function(){var self=this,sections=SDPUtils.splitSections(self.localDescription.sdp);this._localIceCandidatesBuffer.forEach(function(event){if(event.candidate&&0!==Object.keys(event.candidate).length)-1===event.candidate.candidate.indexOf("typ endOfCandidates")&&(sections[event.candidate.sdpMLineIndex+1]+="a="+event.candidate.candidate+"\r\n");else for(var j=1;j<sections.length;j++)-1===sections[j].indexOf("\r\na=end-of-candidates\r\n")&&(sections[j]+="a=end-of-candidates\r\n");if(self.localDescription.sdp=sections.join(""),self.dispatchEvent(event),null!==self.onicecandidate&&self.onicecandidate(event),!event.candidate&&"complete"!==self.iceGatheringState){self.transceivers.every(function(transceiver){return transceiver.iceGatherer&&"completed"===transceiver.iceGatherer.state})&&(self.iceGatheringState="complete")}}),this._localIceCandidatesBuffer=[]},window.RTCPeerConnection.prototype.addStream=function(stream){this.localStreams.push(stream.clone()),this._maybeFireNegotiationNeeded()},window.RTCPeerConnection.prototype.removeStream=function(stream){var idx=this.localStreams.indexOf(stream);idx>-1&&(this.localStreams.splice(idx,1),this._maybeFireNegotiationNeeded())},window.RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpSender}).map(function(transceiver){return transceiver.rtpSender})},window.RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpReceiver}).map(function(transceiver){return transceiver.rtpReceiver})},window.RTCPeerConnection.prototype._getCommonCapabilities=function(localCapabilities,remoteCapabilities){var commonCapabilities={codecs:[],headerExtensions:[],fecMechanisms:[]};return localCapabilities.codecs.forEach(function(lCodec){for(var i=0;i<remoteCapabilities.codecs.length;i++){var rCodec=remoteCapabilities.codecs[i];if(lCodec.name.toLowerCase()===rCodec.name.toLowerCase()&&lCodec.clockRate===rCodec.clockRate&&lCodec.numChannels===rCodec.numChannels){commonCapabilities.codecs.push(rCodec),rCodec.rtcpFeedback=rCodec.rtcpFeedback.filter(function(fb){for(var j=0;j<lCodec.rtcpFeedback.length;j++)if(lCodec.rtcpFeedback[j].type===fb.type&&lCodec.rtcpFeedback[j].parameter===fb.parameter)return!0;return!1});break}}}),localCapabilities.headerExtensions.forEach(function(lHeaderExtension){for(var i=0;i<remoteCapabilities.headerExtensions.length;i++){var rHeaderExtension=remoteCapabilities.headerExtensions[i];if(lHeaderExtension.uri===rHeaderExtension.uri){commonCapabilities.headerExtensions.push(rHeaderExtension);break}}}),commonCapabilities},window.RTCPeerConnection.prototype._createIceAndDtlsTransports=function(mid,sdpMLineIndex){var self=this,iceGatherer=new RTCIceGatherer(self.iceOptions),iceTransport=new RTCIceTransport(iceGatherer);iceGatherer.onlocalcandidate=function(evt){var event=new Event("icecandidate");event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate,end=!cand||0===Object.keys(cand).length;end?(void 0===iceGatherer.state&&(iceGatherer.state="completed"),event.candidate.candidate="candidate:1 1 udp 1 0.0.0.0 9 typ endOfCandidates"):(cand.component="RTCP"===iceTransport.component?2:1,event.candidate.candidate=SDPUtils.writeCandidate(cand));var sections=SDPUtils.splitSections(self.localDescription.sdp);-1===event.candidate.candidate.indexOf("typ endOfCandidates")?sections[event.candidate.sdpMLineIndex+1]+="a="+event.candidate.candidate+"\r\n":sections[event.candidate.sdpMLineIndex+1]+="a=end-of-candidates\r\n",self.localDescription.sdp=sections.join("");var complete=self.transceivers.every(function(transceiver){return transceiver.iceGatherer&&"completed"===transceiver.iceGatherer.state});switch(self.iceGatheringState){case"new":self._localIceCandidatesBuffer.push(event),end&&complete&&self._localIceCandidatesBuffer.push(new Event("icecandidate"));break;case"gathering":self._emitBufferedCandidates(),self.dispatchEvent(event),null!==self.onicecandidate&&self.onicecandidate(event),complete&&(self.dispatchEvent(new Event("icecandidate")),null!==self.onicecandidate&&self.onicecandidate(new Event("icecandidate")),self.iceGatheringState="complete")}},iceTransport.onicestatechange=function(){self._updateConnectionState()};var dtlsTransport=new RTCDtlsTransport(iceTransport);return dtlsTransport.ondtlsstatechange=function(){self._updateConnectionState()},dtlsTransport.onerror=function(){dtlsTransport.state="failed",self._updateConnectionState()},{iceGatherer:iceGatherer,iceTransport:iceTransport,dtlsTransport:dtlsTransport}},window.RTCPeerConnection.prototype._transceive=function(transceiver,send,recv){var params=this._getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);send&&transceiver.rtpSender&&(params.encodings=transceiver.sendEncodingParameters,params.rtcp={cname:SDPUtils.localCName},transceiver.recvEncodingParameters.length&&(params.rtcp.ssrc=transceiver.recvEncodingParameters[0].ssrc),transceiver.rtpSender.send(params)),recv&&transceiver.rtpReceiver&&(params.encodings=transceiver.recvEncodingParameters,params.rtcp={cname:transceiver.cname},transceiver.sendEncodingParameters.length&&(params.rtcp.ssrc=transceiver.sendEncodingParameters[0].ssrc),transceiver.rtpReceiver.receive(params))},window.RTCPeerConnection.prototype.setLocalDescription=function(description){var sections,sessionpart,self=this;if("offer"===description.type)this._pendingOffer&&(sections=SDPUtils.splitSections(description.sdp),sessionpart=sections.shift(),sections.forEach(function(mediaSection,sdpMLineIndex){var caps=SDPUtils.parseRtpParameters(mediaSection);self._pendingOffer[sdpMLineIndex].localCapabilities=caps}),this.transceivers=this._pendingOffer,delete this._pendingOffer);else if("answer"===description.type){sections=SDPUtils.splitSections(self.remoteDescription.sdp),sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,"a=ice-lite").length>0;sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver=self.transceivers[sdpMLineIndex],iceGatherer=transceiver.iceGatherer,iceTransport=transceiver.iceTransport,dtlsTransport=transceiver.dtlsTransport,localCapabilities=transceiver.localCapabilities,remoteCapabilities=transceiver.remoteCapabilities;if("0"!==mediaSection.split("\n",1)[0].split(" ",2)[1]&&!transceiver.isDatachannel){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);if(isIceLite){var cands=SDPUtils.matchPrefix(mediaSection,"a=candidate:").map(function(cand){return SDPUtils.parseCandidate(cand)}).filter(function(cand){return"1"===cand.component});cands.length&&iceTransport.setRemoteCandidates(cands)}var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);isIceLite&&(remoteDtlsParameters.role="server"),self.usingBundle&&0!==sdpMLineIndex||(iceTransport.start(iceGatherer,remoteIceParameters,isIceLite?"controlling":"controlled"),dtlsTransport.start(remoteDtlsParameters));var params=self._getCommonCapabilities(localCapabilities,remoteCapabilities);self._transceive(transceiver,params.codecs.length>0,!1)}})}switch(this.localDescription={type:description.type,sdp:description.sdp},description.type){case"offer":this._updateSignalingState("have-local-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+description.type+'"')}var hasCallback=arguments.length>1&&"function"==typeof arguments[1];if(hasCallback){var cb=arguments[1];window.setTimeout(function(){cb(),"new"===self.iceGatheringState&&(self.iceGatheringState="gathering"),self._emitBufferedCandidates()},0)}var p=Promise.resolve();return p.then(function(){hasCallback||("new"===self.iceGatheringState&&(self.iceGatheringState="gathering"),window.setTimeout(self._emitBufferedCandidates.bind(self),500))}),p},window.RTCPeerConnection.prototype.setRemoteDescription=function(description){var self=this,stream=new MediaStream,receiverList=[],sections=SDPUtils.splitSections(description.sdp),sessionpart=sections.shift(),isIceLite=SDPUtils.matchPrefix(sessionpart,"a=ice-lite").length>0;switch(this.usingBundle=SDPUtils.matchPrefix(sessionpart,"a=group:BUNDLE ").length>0,sections.forEach(function(mediaSection,sdpMLineIndex){var lines=SDPUtils.splitLines(mediaSection),mline=lines[0].substr(2).split(" "),kind=mline[0],rejected="0"===mline[1],direction=SDPUtils.getDirection(mediaSection,sessionpart),mid=SDPUtils.matchPrefix(mediaSection,"a=mid:");if(mid=mid.length?mid[0].substr(6):SDPUtils.generateIdentifier(),"application"===kind&&"DTLS/SCTP"===mline[2])return void(self.transceivers[sdpMLineIndex]={mid:mid,isDatachannel:!0});var transceiver,iceGatherer,iceTransport,dtlsTransport,rtpSender,rtpReceiver,sendEncodingParameters,recvEncodingParameters,localCapabilities,track,remoteIceParameters,remoteDtlsParameters,remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);rejected||(remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart),remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart),remoteDtlsParameters.role="client"),recvEncodingParameters=SDPUtils.parseRtpEncodingParameters(mediaSection);var cname,remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return"cname"===obj.attribute})[0];remoteSsrc&&(cname=remoteSsrc.value);var isComplete=SDPUtils.matchPrefix(mediaSection,"a=end-of-candidates",sessionpart).length>0,cands=SDPUtils.matchPrefix(mediaSection,"a=candidate:").map(function(cand){return SDPUtils.parseCandidate(cand)}).filter(function(cand){return"1"===cand.component});if("offer"!==description.type||rejected)"answer"!==description.type||rejected||(transceiver=self.transceivers[sdpMLineIndex],iceGatherer=transceiver.iceGatherer,iceTransport=transceiver.iceTransport,dtlsTransport=transceiver.dtlsTransport,rtpSender=transceiver.rtpSender,rtpReceiver=transceiver.rtpReceiver,sendEncodingParameters=transceiver.sendEncodingParameters,localCapabilities=transceiver.localCapabilities,self.transceivers[sdpMLineIndex].recvEncodingParameters=recvEncodingParameters,self.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities,self.transceivers[sdpMLineIndex].cname=cname,(isIceLite||isComplete)&&cands.length&&iceTransport.setRemoteCandidates(cands),self.usingBundle&&0!==sdpMLineIndex||(iceTransport.start(iceGatherer,remoteIceParameters,"controlling"),dtlsTransport.start(remoteDtlsParameters)),self._transceive(transceiver,"sendrecv"===direction||"recvonly"===direction,"sendrecv"===direction||"sendonly"===direction),!rtpReceiver||"sendrecv"!==direction&&"sendonly"!==direction?delete transceiver.rtpReceiver:(track=rtpReceiver.track,receiverList.push([track,rtpReceiver]),stream.addTrack(track)));else{var transports=self.usingBundle&&sdpMLineIndex>0?{iceGatherer:self.transceivers[0].iceGatherer,iceTransport:self.transceivers[0].iceTransport,dtlsTransport:self.transceivers[0].dtlsTransport}:self._createIceAndDtlsTransports(mid,sdpMLineIndex);if(isComplete&&transports.iceTransport.setRemoteCandidates(cands),localCapabilities=RTCRtpReceiver.getCapabilities(kind),sendEncodingParameters=[{ssrc:1001*(2*sdpMLineIndex+2)}],rtpReceiver=new RTCRtpReceiver(transports.dtlsTransport,kind),track=rtpReceiver.track,receiverList.push([track,rtpReceiver]),stream.addTrack(track),self.localStreams.length>0&&self.localStreams[0].getTracks().length>=sdpMLineIndex){var localTrack;"audio"===kind?localTrack=self.localStreams[0].getAudioTracks()[0]:"video"===kind&&(localTrack=self.localStreams[0].getVideoTracks()[0]),localTrack&&(rtpSender=new RTCRtpSender(localTrack,transports.dtlsTransport))}self.transceivers[sdpMLineIndex]={iceGatherer:transports.iceGatherer,iceTransport:transports.iceTransport,dtlsTransport:transports.dtlsTransport,localCapabilities:localCapabilities,remoteCapabilities:remoteCapabilities,rtpSender:rtpSender,rtpReceiver:rtpReceiver,kind:kind,mid:mid,cname:cname,sendEncodingParameters:sendEncodingParameters,recvEncodingParameters:recvEncodingParameters},self._transceive(self.transceivers[sdpMLineIndex],!1,"sendrecv"===direction||"sendonly"===direction)}}),this.remoteDescription={type:description.type,sdp:description.sdp},description.type){case"offer":this._updateSignalingState("have-remote-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+description.type+'"')}return stream.getTracks().length&&(self.remoteStreams.push(stream),window.setTimeout(function(){var event=new Event("addstream");event.stream=stream,self.dispatchEvent(event),null!==self.onaddstream&&window.setTimeout(function(){self.onaddstream(event)},0),receiverList.forEach(function(item){var track=item[0],receiver=item[1],trackEvent=new Event("track");trackEvent.track=track,trackEvent.receiver=receiver,trackEvent.streams=[stream],self.dispatchEvent(event),null!==self.ontrack&&window.setTimeout(function(){self.ontrack(trackEvent)},0)})},0)),arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},window.RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(transceiver){transceiver.iceTransport&&transceiver.iceTransport.stop(),transceiver.dtlsTransport&&transceiver.dtlsTransport.stop(),transceiver.rtpSender&&transceiver.rtpSender.stop(),transceiver.rtpReceiver&&transceiver.rtpReceiver.stop()}),this._updateSignalingState("closed")},window.RTCPeerConnection.prototype._updateSignalingState=function(newState){
-this.signalingState=newState;var event=new Event("signalingstatechange");this.dispatchEvent(event),null!==this.onsignalingstatechange&&this.onsignalingstatechange(event)},window.RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var event=new Event("negotiationneeded");this.dispatchEvent(event),null!==this.onnegotiationneeded&&this.onnegotiationneeded(event)},window.RTCPeerConnection.prototype._updateConnectionState=function(){var newState,self=this,states={new:0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};if(this.transceivers.forEach(function(transceiver){states[transceiver.iceTransport.state]++,states[transceiver.dtlsTransport.state]++}),states.connected+=states.completed,newState="new",states.failed>0?newState="failed":states.connecting>0||states.checking>0?newState="connecting":states.disconnected>0?newState="disconnected":states.new>0?newState="new":(states.connected>0||states.completed>0)&&(newState="connected"),newState!==self.iceConnectionState){self.iceConnectionState=newState;var event=new Event("iceconnectionstatechange");this.dispatchEvent(event),null!==this.oniceconnectionstatechange&&this.oniceconnectionstatechange(event)}},window.RTCPeerConnection.prototype.createOffer=function(){var self=this;if(this._pendingOffer)throw new Error("createOffer called while there is a pending offer.");var offerOptions;1===arguments.length&&"function"!=typeof arguments[0]?offerOptions=arguments[0]:3===arguments.length&&(offerOptions=arguments[2]);var tracks=[],numAudioTracks=0,numVideoTracks=0;if(this.localStreams.length&&(numAudioTracks=this.localStreams[0].getAudioTracks().length,numVideoTracks=this.localStreams[0].getVideoTracks().length),offerOptions){if(offerOptions.mandatory||offerOptions.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==offerOptions.offerToReceiveAudio&&(numAudioTracks=offerOptions.offerToReceiveAudio),void 0!==offerOptions.offerToReceiveVideo&&(numVideoTracks=offerOptions.offerToReceiveVideo)}for(this.localStreams.length&&this.localStreams[0].getTracks().forEach(function(track){tracks.push({kind:track.kind,track:track,wantReceive:"audio"===track.kind?numAudioTracks>0:numVideoTracks>0}),"audio"===track.kind?numAudioTracks--:"video"===track.kind&&numVideoTracks--});numAudioTracks>0||numVideoTracks>0;)numAudioTracks>0&&(tracks.push({kind:"audio",wantReceive:!0}),numAudioTracks--),numVideoTracks>0&&(tracks.push({kind:"video",wantReceive:!0}),numVideoTracks--);var sdp=SDPUtils.writeSessionBoilerplate(),transceivers=[];tracks.forEach(function(mline,sdpMLineIndex){var rtpSender,rtpReceiver,track=mline.track,kind=mline.kind,mid=SDPUtils.generateIdentifier(),transports=self.usingBundle&&sdpMLineIndex>0?{iceGatherer:transceivers[0].iceGatherer,iceTransport:transceivers[0].iceTransport,dtlsTransport:transceivers[0].dtlsTransport}:self._createIceAndDtlsTransports(mid,sdpMLineIndex),localCapabilities=RTCRtpSender.getCapabilities(kind),sendEncodingParameters=[{ssrc:1001*(2*sdpMLineIndex+1)}];track&&(rtpSender=new RTCRtpSender(track,transports.dtlsTransport)),mline.wantReceive&&(rtpReceiver=new RTCRtpReceiver(transports.dtlsTransport,kind)),transceivers[sdpMLineIndex]={iceGatherer:transports.iceGatherer,iceTransport:transports.iceTransport,dtlsTransport:transports.dtlsTransport,localCapabilities:localCapabilities,remoteCapabilities:null,rtpSender:rtpSender,rtpReceiver:rtpReceiver,kind:kind,mid:mid,sendEncodingParameters:sendEncodingParameters,recvEncodingParameters:null}}),this.usingBundle&&(sdp+="a=group:BUNDLE "+transceivers.map(function(t){return t.mid}).join(" ")+"\r\n"),tracks.forEach(function(mline,sdpMLineIndex){var transceiver=transceivers[sdpMLineIndex];sdp+=SDPUtils.writeMediaSection(transceiver,transceiver.localCapabilities,"offer",self.localStreams[0])}),this._pendingOffer=transceivers;var desc=new RTCSessionDescription({type:"offer",sdp:sdp});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,desc),Promise.resolve(desc)},window.RTCPeerConnection.prototype.createAnswer=function(){var self=this,sdp=SDPUtils.writeSessionBoilerplate();this.usingBundle&&(sdp+="a=group:BUNDLE "+this.transceivers.map(function(t){return t.mid}).join(" ")+"\r\n"),this.transceivers.forEach(function(transceiver){if(transceiver.isDatachannel)return void(sdp+="m=application 0 DTLS/SCTP 5000\r\nc=IN IP4 0.0.0.0\r\na=mid:"+transceiver.mid+"\r\n");var commonCapabilities=self._getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);sdp+=SDPUtils.writeMediaSection(transceiver,commonCapabilities,"answer",self.localStreams[0])});var desc=new RTCSessionDescription({type:"answer",sdp:sdp});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,desc),Promise.resolve(desc)},window.RTCPeerConnection.prototype.addIceCandidate=function(candidate){if(null===candidate)this.transceivers.forEach(function(transceiver){transceiver.iceTransport.addRemoteCandidate({})});else{var mLineIndex=candidate.sdpMLineIndex;if(candidate.sdpMid)for(var i=0;i<this.transceivers.length;i++)if(this.transceivers[i].mid===candidate.sdpMid){mLineIndex=i;break}var transceiver=this.transceivers[mLineIndex];if(transceiver){var cand=Object.keys(candidate.candidate).length>0?SDPUtils.parseCandidate(candidate.candidate):{};if("tcp"===cand.protocol&&(0===cand.port||9===cand.port))return;if("1"!==cand.component)return;"endOfCandidates"===cand.type&&(cand={}),transceiver.iceTransport.addRemoteCandidate(cand);var sections=SDPUtils.splitSections(this.remoteDescription.sdp);sections[mLineIndex+1]+=(cand.type?candidate.candidate.trim():"a=end-of-candidates")+"\r\n",this.remoteDescription.sdp=sections.join("")}}return arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},window.RTCPeerConnection.prototype.getStats=function(){var promises=[];this.transceivers.forEach(function(transceiver){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach(function(method){transceiver[method]&&promises.push(transceiver[method].getStats())})});var cb=arguments.length>1&&"function"==typeof arguments[1]&&arguments[1];return new Promise(function(resolve){var results=new Map;Promise.all(promises).then(function(res){res.forEach(function(result){Object.keys(result).forEach(function(id){results.set(id,result[id]),results[id]=result[id]})}),cb&&window.setTimeout(cb,0,results),resolve(results)})})}}};module.exports={shimPeerConnection:edgeShim.shimPeerConnection,shimGetUserMedia:requirecopy("./getusermedia")}},{"../utils":10,"./getusermedia":6,sdp:1}],6:[function(requirecopy,module,exports){"use strict";module.exports=function(){var shimError_=function(e){return{name:{PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name}}},origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e))})}}},{}],7:[function(requirecopy,module,exports){"use strict";var browserDetails=requirecopy("../utils").browserDetails,firefoxShim={shimOnTrack:function(){"object"!=typeof window||!window.RTCPeerConnection||"ontrack"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(f){this._ontrack&&(this.removeEventListener("track",this._ontrack),this.removeEventListener("addstream",this._ontrackpoly)),this.addEventListener("track",this._ontrack=f),this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.getTracks().forEach(function(track){var event=new Event("track");event.track=track,event.receiver={track:track},event.streams=[e.stream],this.dispatchEvent(event)}.bind(this))}.bind(this))}})},shimSourceObject:function(){"object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this.mozSrcObject},set:function(stream){this.mozSrcObject=stream}}))},shimPeerConnection:function(){if("object"==typeof window&&(window.RTCPeerConnection||window.mozRTCPeerConnection)){window.RTCPeerConnection||(window.RTCPeerConnection=function(pcConfig,pcConstraints){if(browserDetails.version<38&&pcConfig&&pcConfig.iceServers){for(var newIceServers=[],i=0;i<pcConfig.iceServers.length;i++){var server=pcConfig.iceServers[i];if(server.hasOwnProperty("urls"))for(var j=0;j<server.urls.length;j++){var newServer={url:server.urls[j]};0===server.urls[j].indexOf("turn")&&(newServer.username=server.username,newServer.credential=server.credential),newIceServers.push(newServer)}else newIceServers.push(pcConfig.iceServers[i])}pcConfig.iceServers=newIceServers}return new mozRTCPeerConnection(pcConfig,pcConstraints)},window.RTCPeerConnection.prototype=mozRTCPeerConnection.prototype,mozRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return mozRTCPeerConnection.generateCertificate}}),window.RTCSessionDescription=mozRTCSessionDescription,window.RTCIceCandidate=mozRTCIceCandidate),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){return arguments[0]=new("addIceCandidate"===method?RTCIceCandidate:RTCSessionDescription)(arguments[0]),nativeMethod.apply(this,arguments)}});var nativeAddIceCandidate=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){return null===arguments[0]?Promise.resolve():nativeAddIceCandidate.apply(this,arguments)};var makeMapStats=function(stats){var map=new Map;return Object.keys(stats).forEach(function(key){map.set(key,stats[key]),map[key]=stats[key]}),map},nativeGetStats=RTCPeerConnection.prototype.getStats;RTCPeerConnection.prototype.getStats=function(selector,onSucc,onErr){return nativeGetStats.apply(this,[selector||null]).then(function(stats){return makeMapStats(stats)}).then(onSucc,onErr)}}}};module.exports={shimOnTrack:firefoxShim.shimOnTrack,shimSourceObject:firefoxShim.shimSourceObject,shimPeerConnection:firefoxShim.shimPeerConnection,shimGetUserMedia:requirecopy("./getusermedia")}},{"../utils":10,"./getusermedia":8}],8:[function(requirecopy,module,exports){"use strict";var logging=requirecopy("../utils").log,browserDetails=requirecopy("../utils").browserDetails;module.exports=function(){var shimError_=function(e){return{name:{SecurityError:"NotAllowedError",PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:{"The operation is insecure.":"The request is not allowed by the user agent or the platform in the current context."}[e.message]||e.message,constraint:e.constraint,toString:function(){return this.name+(this.message&&": ")+this.message}}},getUserMedia_=function(constraints,onSuccess,onError){var constraintsToFF37_=function(c){if("object"!=typeof c||c.require)return c;var require=[];return Object.keys(c).forEach(function(key){if("require"!==key&&"advanced"!==key&&"mediaSource"!==key){var r=c[key]="object"==typeof c[key]?c[key]:{ideal:c[key]};if(void 0===r.min&&void 0===r.max&&void 0===r.exact||require.push(key),void 0!==r.exact&&("number"==typeof r.exact?r.min=r.max=r.exact:c[key]=r.exact,delete r.exact),void 0!==r.ideal){c.advanced=c.advanced||[];var oc={};"number"==typeof r.ideal?oc[key]={min:r.ideal,max:r.ideal}:oc[key]=r.ideal,c.advanced.push(oc),delete r.ideal,Object.keys(r).length||delete c[key]}}}),require.length&&(c.require=require),c};return constraints=JSON.parse(JSON.stringify(constraints)),browserDetails.version<38&&(logging("spec: "+JSON.stringify(constraints)),constraints.audio&&(constraints.audio=constraintsToFF37_(constraints.audio)),constraints.video&&(constraints.video=constraintsToFF37_(constraints.video)),logging("ff37: "+JSON.stringify(constraints))),navigator.mozGetUserMedia(constraints,onSuccess,function(e){onError(shimError_(e))})},getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){getUserMedia_(constraints,resolve,reject)})};if(navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:getUserMediaPromise_,addEventListener:function(){},removeEventListener:function(){}}),navigator.mediaDevices.enumerateDevices=navigator.mediaDevices.enumerateDevices||function(){return new Promise(function(resolve){resolve([{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}])})},browserDetails.version<41){var orgEnumerateDevices=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return orgEnumerateDevices().then(void 0,function(e){if("NotFoundError"===e.name)return[];throw e})}}if(browserDetails.version<49){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e))})}}navigator.getUserMedia=function(constraints,onSuccess,onError){if(browserDetails.version<44)return getUserMedia_(constraints,onSuccess,onError);navigator.mediaDevices.getUserMedia(constraints).then(onSuccess,onError)}}},{"../utils":10}],9:[function(requirecopy,module,exports){"use strict";var safariShim={shimGetUserMedia:function(){navigator.getUserMedia=navigator.webkitGetUserMedia}};module.exports={shimGetUserMedia:safariShim.shimGetUserMedia}},{}],10:[function(requirecopy,module,exports){"use strict";var logDisabled_=!0,utils={disableLog:function(bool){return"boolean"!=typeof bool?new Error("Argument type: "+typeof bool+". Please use a boolean."):(logDisabled_=bool,bool?"adapter.js logging disabled":"adapter.js logging enabled")},log:function(){if("object"==typeof window){if(logDisabled_)return;"undefined"!=typeof console&&console.log}},extractVersion:function(uastring,expr,pos){var match=uastring.match(expr);return match&&match.length>=pos&&parseInt(match[pos],10)},detectBrowser:function(){var result={};if(result.browser=null,result.version=null,"undefined"==typeof window||!window.navigator)return result.browser="Not a browser.",result;if(navigator.mozGetUserMedia)result.browser="firefox",result.version=this.extractVersion(navigator.userAgent,/Firefox\/([0-9]+)\./,1);else if(navigator.webkitGetUserMedia)if(window.webkitRTCPeerConnection)result.browser="chrome",result.version=this.extractVersion(navigator.userAgent,/Chrom(e|ium)\/([0-9]+)\./,2);else{if(!navigator.userAgent.match(/Version\/(\d+).(\d+)/))return result.browser="Unsupported webkit-based browser with GUM support but no WebRTC support.",result;result.browser="safari",result.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/([0-9]+)\./,1)}else{if(!navigator.mediaDevices||!navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))return result.browser="Not a supported browser.",result;result.browser="edge",result.version=this.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2)}return result}};module.exports={log:utils.log,disableLog:utils.disableLog,browserDetails:utils.detectBrowser(),extractVersion:utils.extractVersion}},{}]},{},[2])(2)}),AdapterJS.parseWebrtcDetectedBrowser(),navigator.mozGetUserMedia?(MediaStreamTrack.getSources=function(successCb){setTimeout(function(){successCb([{kind:"audio",id:"default",label:"",facing:""},{kind:"video",id:"default",label:"",facing:""}])},0)},attachMediaStream=function(element,stream){return element.srcObject=stream,element},reattachMediaStream=function(to,from){return to.srcObject=from.srcObject,to},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");if(0===urlParts[0].indexOf("stun"))iceServer={urls:[url]};else if(0===urlParts[0].indexOf("turn"))if(webrtcDetectedVersion<27){var turnUrlParts=url.split("?");1!==turnUrlParts.length&&0!==turnUrlParts[1].indexOf("transport=udp")||(iceServer={urls:[turnUrlParts[0]],credential:password,username:username})}else iceServer={urls:[url],credential:password,username:username};return iceServer},createIceServers=function(urls,username,password){var iceServers=[];for(i=0;i<urls.length;i++){var iceServer=createIceServer(urls[i],username,password);null!==iceServer&&iceServers.push(iceServer)}return iceServers}):navigator.webkitGetUserMedia?(attachMediaStream=function(element,stream){return webrtcDetectedVersion>=43?element.srcObject=stream:void 0!==element.src&&(element.src=URL.createObjectURL(stream)),element},reattachMediaStream=function(to,from){return webrtcDetectedVersion>=43?to.srcObject=from.srcObject:to.src=from.src,to},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");return 0===urlParts[0].indexOf("stun")?iceServer={url:url}:0===urlParts[0].indexOf("turn")&&(iceServer={url:url,credential:password,username:username}),iceServer},createIceServers=function(urls,username,password){var iceServers=[];if(webrtcDetectedVersion>=34)iceServers={urls:urls,credential:password,username:username};else for(i=0;i<urls.length;i++){var iceServer=createIceServer(urls[i],username,password);null!==iceServer&&iceServers.push(iceServer)}return iceServers}):navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)&&(attachMediaStream=function(element,stream){return element.srcObject=stream,element},reattachMediaStream=function(to,from){return to.srcObject=from.srcObject,to}),attachMediaStream_base=attachMediaStream,"opera"===webrtcDetectedBrowser&&(attachMediaStream_base=function(element,stream){webrtcDetectedVersion>38?element.srcObject=stream:void 0!==element.src&&(element.src=URL.createObjectURL(stream))}),attachMediaStream=function(element,stream){return"chrome"!==webrtcDetectedBrowser&&"opera"!==webrtcDetectedBrowser||stream?attachMediaStream_base(element,stream):element.src="",element},reattachMediaStream_base=reattachMediaStream,reattachMediaStream=function(to,from){return reattachMediaStream_base(to,from),to},window.attachMediaStream=attachMediaStream,window.reattachMediaStream=reattachMediaStream,window.getUserMedia=function(constraints,onSuccess,onFailure){navigator.getUserMedia(constraints,onSuccess,onFailure)},AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,"undefined"==typeof Promise&&(requestUserMedia=null),AdapterJS.maybeThroughWebRTCReady()),"undefined"!=typeof exports&&(module.exports=AdapterJS),AdapterJS.TEXT.EXTENSION={REQUIRE_INSTALLATION_FF:"To enable screensharing you need to install the Skylink WebRTC tools Firefox Add-on.",REQUIRE_INSTALLATION_CHROME:"To enable screensharing you need to install the Skylink WebRTC tools Chrome Extension.",REQUIRE_REFRESH:"Please refresh this page after the Skylink WebRTC tools extension has been installed.",BUTTON_FF:"Install Now",BUTTON_CHROME:"Go to Chrome Web Store"},AdapterJS.defineMediaSourcePolyfill=function(){var baseGetUserMedia=null,clone=function(obj){if(null===obj||"object"!=typeof obj)return obj;var copy=obj.constructor();for(var attr in obj)obj.hasOwnProperty(attr)&&(copy[attr]=obj[attr]);return copy};if(window.navigator.mozGetUserMedia?(baseGetUserMedia=window.navigator.getUserMedia,navigator.getUserMedia=function(constraints,successCb,failureCb){if(constraints&&constraints.video&&constraints.video.mediaSource){if("screen"!==constraints.video.mediaSource&&"window"!==constraints.video.mediaSource)return void failureCb(new Error('GetUserMedia: Only "screen" and "window" are supported as mediaSource constraints'));var updatedConstraints=clone(constraints);updatedConstraints.video.mozMediaSource=updatedConstraints.video.mediaSource;var checkIfReady=setInterval(function(){"complete"===document.readyState&&(clearInterval(checkIfReady),baseGetUserMedia(updatedConstraints,successCb,function(error){["NotAllowedError","PermissionDeniedError","SecurityError","NotAllowedError"].indexOf(error.name)>-1&&"https:"===window.parent.location.protocol?AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION.REQUIRE_INSTALLATION_FF,AdapterJS.TEXT.EXTENSION.BUTTON_FF,function(e){window.open("https://addons.mozilla.org/en-US/firefox/addon/skylink-webrtc-tools/","_blank"),e.target&&e.target.parentElement&&e.target.nextElementSibling&&e.target.nextElementSibling.click&&e.target.nextElementSibling.click(),AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION?AdapterJS.TEXT.EXTENSION.REQUIRE_REFRESH:AdapterJS.TEXT.REFRESH.REQUIRE_REFRESH,AdapterJS.TEXT.REFRESH.BUTTON,function(){window.open("javascript:location.reload()","_top")})}):failureCb(error)}))},1)}else baseGetUserMedia(constraints,successCb,failureCb)},AdapterJS.getUserMedia=window.getUserMedia=navigator.getUserMedia):window.navigator.webkitGetUserMedia&&"safari"!==window.webrtcDetectedBrowser?(baseGetUserMedia=window.navigator.getUserMedia,navigator.getUserMedia=function(constraints,successCb,failureCb){if(constraints&&constraints.video&&constraints.video.mediaSource){if("chrome"!==window.webrtcDetectedBrowser)return void failureCb(new Error("Current browser does not support screensharing"));var updatedConstraints=clone(constraints),chromeCallback=function(error,sourceId){error?failureCb("permission-denied"===error?new Error("Permission denied for screen retrieval"):new Error("Failed retrieving selected screen")):(updatedConstraints.video.mandatory=updatedConstraints.video.mandatory||{},updatedConstraints.video.mandatory.chromeMediaSource="desktop",updatedConstraints.video.mandatory.maxWidth=window.screen.width>1920?window.screen.width:1920,updatedConstraints.video.mandatory.maxHeight=window.screen.height>1080?window.screen.height:1080,sourceId&&(updatedConstraints.video.mandatory.chromeMediaSourceId=sourceId),delete updatedConstraints.video.mediaSource,baseGetUserMedia(updatedConstraints,successCb,failureCb))},onIFrameCallback=function(event){event.data&&(event.data.chromeMediaSourceId&&("PermissionDeniedError"===event.data.chromeMediaSourceId?chromeCallback("permission-denied"):chromeCallback(null,event.data.chromeMediaSourceId)),event.data.chromeExtensionStatus&&("not-installed"===event.data.chromeExtensionStatus?AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION.REQUIRE_INSTALLATION_CHROME,AdapterJS.TEXT.EXTENSION.BUTTON_CHROME,function(e){window.open(event.data.data,"_blank"),e.target&&e.target.parentElement&&e.target.nextElementSibling&&e.target.nextElementSibling.click&&e.target.nextElementSibling.click(),AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION?AdapterJS.TEXT.EXTENSION.REQUIRE_REFRESH:AdapterJS.TEXT.REFRESH.REQUIRE_REFRESH,AdapterJS.TEXT.REFRESH.BUTTON,function(){window.open("javascript:location.reload()","_top")})}):chromeCallback(event.data.chromeExtensionStatus,null)),window.removeEventListener("message",onIFrameCallback))};window.addEventListener("message",onIFrameCallback),postFrameMessage({captureSourceId:!0})}else baseGetUserMedia(constraints,successCb,failureCb)},AdapterJS.getUserMedia=window.getUserMedia=navigator.getUserMedia,navigator.mediaDevices.getUserMedia=function(constraints){return new Promise(function(resolve,reject){window.getUserMedia(constraints,resolve,reject)})}):navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)||(baseGetUserMedia=window.navigator.getUserMedia,navigator.getUserMedia=function(constraints,successCb,failureCb){if(constraints&&constraints.video&&constraints.video.mediaSource){var updatedConstraints=clone(constraints);AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){if(!AdapterJS.WebRTCPlugin.plugin.HasScreensharingFeature||!AdapterJS.WebRTCPlugin.plugin.isScreensharingAvailable)return void failureCb(new Error("Your version of the WebRTC plugin does not support screensharing"));updatedConstraints.video.optional=updatedConstraints.video.optional||[],updatedConstraints.video.optional.push({sourceId:AdapterJS.WebRTCPlugin.plugin.screensharingKey||"Screensharing"}),delete updatedConstraints.video.mediaSource,baseGetUserMedia(updatedConstraints,successCb,failureCb)})}else baseGetUserMedia(constraints,successCb,failureCb)},AdapterJS.getUserMedia=getUserMedia=window.getUserMedia=navigator.getUserMedia,navigator.mediaDevices&&"undefined"!=typeof Promise&&(navigator.mediaDevices.getUserMedia=requestUserMedia)),"chrome"===window.webrtcDetectedBrowser){var iframe=document.createElement("iframe");iframe.onload=function(){iframe.isLoaded=!0},iframe.src="https://cdn.temasys.com.sg/skylink/extensions/detectRTC.html",iframe.style.display="none",(document.body||document.documentElement).appendChild(iframe);var postFrameMessage=function(object){if(object=object||{},!iframe.isLoaded)return void setTimeout(function(){iframe.contentWindow.postMessage(object,"*")},100);iframe.contentWindow.postMessage(object,"*")}}else window.webrtcDetectedBrowser},"function"!=typeof window.require&&AdapterJS.defineMediaSourcePolyfill();
\ No newline at end of file
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.adapter = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+ /* eslint-env node */
+'use strict';
+
+// SDP helpers.
+var SDPUtils = {};
+
+// Generate an alphanumeric identifier for cname or mids.
+// TODO: use UUIDs instead? https://gist.github.com/jed/982883
+SDPUtils.generateIdentifier = function() {
+  return Math.random().toString(36).substr(2, 10);
+};
+
+// The RTCP CNAME used by all peerconnections from the same JS.
+SDPUtils.localCName = SDPUtils.generateIdentifier();
+
+// Splits SDP into lines, dealing with both CRLF and LF.
+SDPUtils.splitLines = function(blob) {
+  return blob.trim().split('\n').map(function(line) {
+    return line.trim();
+  });
+};
+// Splits SDP into sessionpart and mediasections. Ensures CRLF.
+SDPUtils.splitSections = function(blob) {
+  var parts = blob.split('\nm=');
+  return parts.map(function(part, index) {
+    return (index > 0 ? 'm=' + part : part).trim() + '\r\n';
+  });
+};
+
+// Returns lines that start with a certain prefix.
+SDPUtils.matchPrefix = function(blob, prefix) {
+  return SDPUtils.splitLines(blob).filter(function(line) {
+    return line.indexOf(prefix) === 0;
+  });
+};
+
+// Parses an ICE candidate line. Sample input:
+// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
+// rport 55996"
+SDPUtils.parseCandidate = function(line) {
+  var parts;
+  // Parse both variants.
+  if (line.indexOf('a=candidate:') === 0) {
+    parts = line.substring(12).split(' ');
+  } else {
+    parts = line.substring(10).split(' ');
+  }
+
+  var candidate = {
+    foundation: parts[0],
+    component: parseInt(parts[1], 10),
+    protocol: parts[2].toLowerCase(),
+    priority: parseInt(parts[3], 10),
+    ip: parts[4],
+    port: parseInt(parts[5], 10),
+    // skip parts[6] == 'typ'
+    type: parts[7]
+  };
+
+  for (var i = 8; i < parts.length; i += 2) {
+    switch (parts[i]) {
+      case 'raddr':
+        candidate.relatedAddress = parts[i + 1];
+        break;
+      case 'rport':
+        candidate.relatedPort = parseInt(parts[i + 1], 10);
+        break;
+      case 'tcptype':
+        candidate.tcpType = parts[i + 1];
+        break;
+      default: // extension handling, in particular ufrag
+        candidate[parts[i]] = parts[i + 1];
+        break;
+    }
+  }
+  return candidate;
+};
+
+// Translates a candidate object into SDP candidate attribute.
+SDPUtils.writeCandidate = function(candidate) {
+  var sdp = [];
+  sdp.push(candidate.foundation);
+  sdp.push(candidate.component);
+  sdp.push(candidate.protocol.toUpperCase());
+  sdp.push(candidate.priority);
+  sdp.push(candidate.ip);
+  sdp.push(candidate.port);
+
+  var type = candidate.type;
+  sdp.push('typ');
+  sdp.push(type);
+  if (type !== 'host' && candidate.relatedAddress &&
+      candidate.relatedPort) {
+    sdp.push('raddr');
+    sdp.push(candidate.relatedAddress); // was: relAddr
+    sdp.push('rport');
+    sdp.push(candidate.relatedPort); // was: relPort
+  }
+  if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {
+    sdp.push('tcptype');
+    sdp.push(candidate.tcpType);
+  }
+  if (candidate.ufrag) {
+    sdp.push('ufrag');
+    sdp.push(candidate.ufrag);
+  }
+  return 'candidate:' + sdp.join(' ');
+};
+
+// Parses an ice-options line, returns an array of option tags.
+// a=ice-options:foo bar
+SDPUtils.parseIceOptions = function(line) {
+  return line.substr(14).split(' ');
+}
+
+// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:
+// a=rtpmap:111 opus/48000/2
+SDPUtils.parseRtpMap = function(line) {
+  var parts = line.substr(9).split(' ');
+  var parsed = {
+    payloadType: parseInt(parts.shift(), 10) // was: id
+  };
+
+  parts = parts[0].split('/');
+
+  parsed.name = parts[0];
+  parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
+  // was: channels
+  parsed.numChannels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
+  return parsed;
+};
+
+// Generate an a=rtpmap line from RTCRtpCodecCapability or
+// RTCRtpCodecParameters.
+SDPUtils.writeRtpMap = function(codec) {
+  var pt = codec.payloadType;
+  if (codec.preferredPayloadType !== undefined) {
+    pt = codec.preferredPayloadType;
+  }
+  return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +
+      (codec.numChannels !== 1 ? '/' + codec.numChannels : '') + '\r\n';
+};
+
+// Parses an a=extmap line (headerextension from RFC 5285). Sample input:
+// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
+// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
+SDPUtils.parseExtmap = function(line) {
+  var parts = line.substr(9).split(' ');
+  return {
+    id: parseInt(parts[0], 10),
+    direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',
+    uri: parts[1]
+  };
+};
+
+// Generates a=extmap line from RTCRtpHeaderExtensionParameters or
+// RTCRtpHeaderExtension.
+SDPUtils.writeExtmap = function(headerExtension) {
+  return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +
+      (headerExtension.direction && headerExtension.direction !== 'sendrecv'
+          ? '/' + headerExtension.direction
+          : '') +
+      ' ' + headerExtension.uri + '\r\n';
+};
+
+// Parses an ftmp line, returns dictionary. Sample input:
+// a=fmtp:96 vbr=on;cng=on
+// Also deals with vbr=on; cng=on
+SDPUtils.parseFmtp = function(line) {
+  var parsed = {};
+  var kv;
+  var parts = line.substr(line.indexOf(' ') + 1).split(';');
+  for (var j = 0; j < parts.length; j++) {
+    kv = parts[j].trim().split('=');
+    parsed[kv[0].trim()] = kv[1];
+  }
+  return parsed;
+};
+
+// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
+SDPUtils.writeFmtp = function(codec) {
+  var line = '';
+  var pt = codec.payloadType;
+  if (codec.preferredPayloadType !== undefined) {
+    pt = codec.preferredPayloadType;
+  }
+  if (codec.parameters && Object.keys(codec.parameters).length) {
+    var params = [];
+    Object.keys(codec.parameters).forEach(function(param) {
+      params.push(param + '=' + codec.parameters[param]);
+    });
+    line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n';
+  }
+  return line;
+};
+
+// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
+// a=rtcp-fb:98 nack rpsi
+SDPUtils.parseRtcpFb = function(line) {
+  var parts = line.substr(line.indexOf(' ') + 1).split(' ');
+  return {
+    type: parts.shift(),
+    parameter: parts.join(' ')
+  };
+};
+// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
+SDPUtils.writeRtcpFb = function(codec) {
+  var lines = '';
+  var pt = codec.payloadType;
+  if (codec.preferredPayloadType !== undefined) {
+    pt = codec.preferredPayloadType;
+  }
+  if (codec.rtcpFeedback && codec.rtcpFeedback.length) {
+    // FIXME: special handling for trr-int?
+    codec.rtcpFeedback.forEach(function(fb) {
+      lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +
+      (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +
+          '\r\n';
+    });
+  }
+  return lines;
+};
+
+// Parses an RFC 5576 ssrc media attribute. Sample input:
+// a=ssrc:3735928559 cname:something
+SDPUtils.parseSsrcMedia = function(line) {
+  var sp = line.indexOf(' ');
+  var parts = {
+    ssrc: parseInt(line.substr(7, sp - 7), 10)
+  };
+  var colon = line.indexOf(':', sp);
+  if (colon > -1) {
+    parts.attribute = line.substr(sp + 1, colon - sp - 1);
+    parts.value = line.substr(colon + 1);
+  } else {
+    parts.attribute = line.substr(sp + 1);
+  }
+  return parts;
+};
+
+// Extracts the MID (RFC 5888) from a media section.
+// returns the MID or undefined if no mid line was found.
+SDPUtils.getMid = function(mediaSection) {
+  var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];
+  if (mid) {
+    return mid.substr(6);
+  }
+}
+
+SDPUtils.parseFingerprint = function(line) {
+  var parts = line.substr(14).split(' ');
+  return {
+    algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.
+    value: parts[1]
+  };
+};
+
+// Extracts DTLS parameters from SDP media section or sessionpart.
+// FIXME: for consistency with other functions this should only
+//   get the fingerprint line as input. See also getIceParameters.
+SDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {
+  var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,
+      'a=fingerprint:');
+  // Note: a=setup line is ignored since we use the 'auto' role.
+  // Note2: 'algorithm' is not case sensitive except in Edge.
+  return {
+    role: 'auto',
+    fingerprints: lines.map(SDPUtils.parseFingerprint)
+  };
+};
+
+// Serializes DTLS parameters to SDP.
+SDPUtils.writeDtlsParameters = function(params, setupType) {
+  var sdp = 'a=setup:' + setupType + '\r\n';
+  params.fingerprints.forEach(function(fp) {
+    sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n';
+  });
+  return sdp;
+};
+// Parses ICE information from SDP media section or sessionpart.
+// FIXME: for consistency with other functions this should only
+//   get the ice-ufrag and ice-pwd lines as input.
+SDPUtils.getIceParameters = function(mediaSection, sessionpart) {
+  var lines = SDPUtils.splitLines(mediaSection);
+  // Search in session part, too.
+  lines = lines.concat(SDPUtils.splitLines(sessionpart));
+  var iceParameters = {
+    usernameFragment: lines.filter(function(line) {
+      return line.indexOf('a=ice-ufrag:') === 0;
+    })[0].substr(12),
+    password: lines.filter(function(line) {
+      return line.indexOf('a=ice-pwd:') === 0;
+    })[0].substr(10)
+  };
+  return iceParameters;
+};
+
+// Serializes ICE parameters to SDP.
+SDPUtils.writeIceParameters = function(params) {
+  return 'a=ice-ufrag:' + params.usernameFragment + '\r\n' +
+      'a=ice-pwd:' + params.password + '\r\n';
+};
+
+// Parses the SDP media section and returns RTCRtpParameters.
+SDPUtils.parseRtpParameters = function(mediaSection) {
+  var description = {
+    codecs: [],
+    headerExtensions: [],
+    fecMechanisms: [],
+    rtcp: []
+  };
+  var lines = SDPUtils.splitLines(mediaSection);
+  var mline = lines[0].split(' ');
+  for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]
+    var pt = mline[i];
+    var rtpmapline = SDPUtils.matchPrefix(
+        mediaSection, 'a=rtpmap:' + pt + ' ')[0];
+    if (rtpmapline) {
+      var codec = SDPUtils.parseRtpMap(rtpmapline);
+      var fmtps = SDPUtils.matchPrefix(
+          mediaSection, 'a=fmtp:' + pt + ' ');
+      // Only the first a=fmtp:<pt> is considered.
+      codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};
+      codec.rtcpFeedback = SDPUtils.matchPrefix(
+          mediaSection, 'a=rtcp-fb:' + pt + ' ')
+        .map(SDPUtils.parseRtcpFb);
+      description.codecs.push(codec);
+      // parse FEC mechanisms from rtpmap lines.
+      switch (codec.name.toUpperCase()) {
+        case 'RED':
+        case 'ULPFEC':
+          description.fecMechanisms.push(codec.name.toUpperCase());
+          break;
+        default: // only RED and ULPFEC are recognized as FEC mechanisms.
+          break;
+      }
+    }
+  }
+  SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {
+    description.headerExtensions.push(SDPUtils.parseExtmap(line));
+  });
+  // FIXME: parse rtcp.
+  return description;
+};
+
+// Generates parts of the SDP media section describing the capabilities /
+// parameters.
+SDPUtils.writeRtpDescription = function(kind, caps) {
+  var sdp = '';
+
+  // Build the mline.
+  sdp += 'm=' + kind + ' ';
+  sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.
+  sdp += ' UDP/TLS/RTP/SAVPF ';
+  sdp += caps.codecs.map(function(codec) {
+    if (codec.preferredPayloadType !== undefined) {
+      return codec.preferredPayloadType;
+    }
+    return codec.payloadType;
+  }).join(' ') + '\r\n';
+
+  sdp += 'c=IN IP4 0.0.0.0\r\n';
+  sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n';
+
+  // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
+  caps.codecs.forEach(function(codec) {
+    sdp += SDPUtils.writeRtpMap(codec);
+    sdp += SDPUtils.writeFmtp(codec);
+    sdp += SDPUtils.writeRtcpFb(codec);
+  });
+  var maxptime = 0;
+  caps.codecs.forEach(function(codec) {
+    if (codec.maxptime > maxptime) {
+      maxptime = codec.maxptime;
+    }
+  });
+  if (maxptime > 0) {
+    sdp += 'a=maxptime:' + maxptime + '\r\n';
+  }
+  sdp += 'a=rtcp-mux\r\n';
+
+  caps.headerExtensions.forEach(function(extension) {
+    sdp += SDPUtils.writeExtmap(extension);
+  });
+  // FIXME: write fecMechanisms.
+  return sdp;
+};
+
+// Parses the SDP media section and returns an array of
+// RTCRtpEncodingParameters.
+SDPUtils.parseRtpEncodingParameters = function(mediaSection) {
+  var encodingParameters = [];
+  var description = SDPUtils.parseRtpParameters(mediaSection);
+  var hasRed = description.fecMechanisms.indexOf('RED') !== -1;
+  var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;
+
+  // filter a=ssrc:... cname:, ignore PlanB-msid
+  var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
+  .map(function(line) {
+    return SDPUtils.parseSsrcMedia(line);
+  })
+  .filter(function(parts) {
+    return parts.attribute === 'cname';
+  });
+  var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
+  var secondarySsrc;
+
+  var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')
+  .map(function(line) {
+    var parts = line.split(' ');
+    parts.shift();
+    return parts.map(function(part) {
+      return parseInt(part, 10);
+    });
+  });
+  if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {
+    secondarySsrc = flows[0][1];
+  }
+
+  description.codecs.forEach(function(codec) {
+    if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {
+      var encParam = {
+        ssrc: primarySsrc,
+        codecPayloadType: parseInt(codec.parameters.apt, 10),
+        rtx: {
+          ssrc: secondarySsrc
+        }
+      };
+      encodingParameters.push(encParam);
+      if (hasRed) {
+        encParam = JSON.parse(JSON.stringify(encParam));
+        encParam.fec = {
+          ssrc: secondarySsrc,
+          mechanism: hasUlpfec ? 'red+ulpfec' : 'red'
+        };
+        encodingParameters.push(encParam);
+      }
+    }
+  });
+  if (encodingParameters.length === 0 && primarySsrc) {
+    encodingParameters.push({
+      ssrc: primarySsrc
+    });
+  }
+
+  // we support both b=AS and b=TIAS but interpret AS as TIAS.
+  var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');
+  if (bandwidth.length) {
+    if (bandwidth[0].indexOf('b=TIAS:') === 0) {
+      bandwidth = parseInt(bandwidth[0].substr(7), 10);
+    } else if (bandwidth[0].indexOf('b=AS:') === 0) {
+      // use formula from JSEP to convert b=AS to TIAS value.
+      bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95
+          - (50 * 40 * 8);
+    } else {
+      bandwidth = undefined;
+    }
+    encodingParameters.forEach(function(params) {
+      params.maxBitrate = bandwidth;
+    });
+  }
+  return encodingParameters;
+};
+
+// parses http://draft.ortc.org/#rtcrtcpparameters*
+SDPUtils.parseRtcpParameters = function(mediaSection) {
+  var rtcpParameters = {};
+
+  var cname;
+  // Gets the first SSRC. Note that with RTX there might be multiple
+  // SSRCs.
+  var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
+      .map(function(line) {
+        return SDPUtils.parseSsrcMedia(line);
+      })
+      .filter(function(obj) {
+        return obj.attribute === 'cname';
+      })[0];
+  if (remoteSsrc) {
+    rtcpParameters.cname = remoteSsrc.value;
+    rtcpParameters.ssrc = remoteSsrc.ssrc;
+  }
+
+  // Edge uses the compound attribute instead of reducedSize
+  // compound is !reducedSize
+  var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
+  rtcpParameters.reducedSize = rsize.length > 0;
+  rtcpParameters.compound = rsize.length === 0;
+
+  // parses the rtcp-mux attrіbute.
+  // Note that Edge does not support unmuxed RTCP.
+  var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
+  rtcpParameters.mux = mux.length > 0;
+
+  return rtcpParameters;
+};
+
+// parses either a=msid: or a=ssrc:... msid lines and returns
+// the id of the MediaStream and MediaStreamTrack.
+SDPUtils.parseMsid = function(mediaSection) {
+  var parts;
+  var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');
+  if (spec.length === 1) {
+    parts = spec[0].substr(7).split(' ');
+    return {stream: parts[0], track: parts[1]};
+  }
+  var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
+  .map(function(line) {
+    return SDPUtils.parseSsrcMedia(line);
+  })
+  .filter(function(parts) {
+    return parts.attribute === 'msid';
+  });
+  if (planB.length > 0) {
+    parts = planB[0].value.split(' ');
+    return {stream: parts[0], track: parts[1]};
+  }
+};
+
+// Generate a session ID for SDP.
+// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
+// recommends using a cryptographically random +ve 64-bit value
+// but right now this should be acceptable and within the right range
+SDPUtils.generateSessionId = function() {
+  return Math.random().toString().substr(2, 21);
+};
+
+// Write boilder plate for start of SDP
+// sessId argument is optional - if not supplied it will
+// be generated randomly
+SDPUtils.writeSessionBoilerplate = function(sessId) {
+  var sessionId;
+  if (sessId) {
+    sessionId = sessId;
+  } else {
+    sessionId = SDPUtils.generateSessionId();
+  }
+  // FIXME: sess-id should be an NTP timestamp.
+  return 'v=0\r\n' +
+      'o=thisisadapterortc ' + sessionId + ' 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.direction) {
+    sdp += 'a=' + transceiver.direction + '\r\n';
+  } else if (transceiver.rtpSender && transceiver.rtpReceiver) {
+    sdp += 'a=sendrecv\r\n';
+  } else if (transceiver.rtpSender) {
+    sdp += 'a=sendonly\r\n';
+  } else if (transceiver.rtpReceiver) {
+    sdp += 'a=recvonly\r\n';
+  } else {
+    sdp += 'a=inactive\r\n';
+  }
+
+  if (transceiver.rtpSender) {
+    // spec.
+    var msid = 'msid:' + stream.id + ' ' +
+        transceiver.rtpSender.track.id + '\r\n';
+    sdp += 'a=' + msid;
+
+    // for Chrome.
+    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
+        ' ' + msid;
+    if (transceiver.sendEncodingParameters[0].rtx) {
+      sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
+          ' ' + msid;
+      sdp += 'a=ssrc-group:FID ' +
+          transceiver.sendEncodingParameters[0].ssrc + ' ' +
+          transceiver.sendEncodingParameters[0].rtx.ssrc +
+          '\r\n';
+    }
+  }
+  // FIXME: this should be written by writeRtpDescription.
+  sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
+      ' cname:' + SDPUtils.localCName + '\r\n';
+  if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
+    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
+        ' cname:' + SDPUtils.localCName + '\r\n';
+  }
+  return sdp;
+};
+
+// Gets the direction from the mediaSection or the sessionpart.
+SDPUtils.getDirection = function(mediaSection, sessionpart) {
+  // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
+  var lines = SDPUtils.splitLines(mediaSection);
+  for (var i = 0; i < lines.length; i++) {
+    switch (lines[i]) {
+      case 'a=sendrecv':
+      case 'a=sendonly':
+      case 'a=recvonly':
+      case 'a=inactive':
+        return lines[i].substr(2);
+      default:
+        // FIXME: What should happen here?
+    }
+  }
+  if (sessionpart) {
+    return SDPUtils.getDirection(sessionpart);
+  }
+  return 'sendrecv';
+};
+
+SDPUtils.getKind = function(mediaSection) {
+  var lines = SDPUtils.splitLines(mediaSection);
+  var mline = lines[0].split(' ');
+  return mline[0].substr(2);
+};
+
+SDPUtils.isRejected = function(mediaSection) {
+  return mediaSection.split(' ', 2)[1] === '0';
+};
+
+// Expose public methods.
+module.exports = SDPUtils;
+
+},{}],2:[function(require,module,exports){
+(function (global){
+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree.
+ */
+ /* eslint-env node */
+
+'use strict';
+
+var adapterFactory = require('./adapter_factory.js');
+module.exports = adapterFactory({window: global.window});
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./adapter_factory.js":3}],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';
+
+// Shimming starts here.
+module.exports = function(dependencies) {
+  var window = dependencies && dependencies.window;
+
+  // Utils.
+  var utils = require('./utils');
+  var logging = utils.log;
+  var browserDetails = utils.detectBrowser(window);
+
+  // Export to the adapter global object visible in the browser.
+  var adapter = {
+    browserDetails: browserDetails,
+    extractVersion: utils.extractVersion,
+    disableLog: utils.disableLog,
+    disableWarnings: utils.disableWarnings
+  };
+
+  // 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 'chrome':
+      if (!chromeShim || !chromeShim.shimPeerConnection) {
+        logging('Chrome shim is not included in this adapter release.');
+        return adapter;
+      }
+      logging('adapter.js shimming chrome.');
+      // Export to the adapter global object visible in the browser.
+      adapter.browserShim = chromeShim;
+
+      chromeShim.shimGetUserMedia(window);
+      chromeShim.shimMediaStream(window);
+      utils.shimCreateObjectURL(window);
+      chromeShim.shimSourceObject(window);
+      chromeShim.shimPeerConnection(window);
+      chromeShim.shimOnTrack(window);
+      chromeShim.shimGetSendersWithDtmf(window);
+      break;
+    case 'firefox':
+      if (!firefoxShim || !firefoxShim.shimPeerConnection) {
+        logging('Firefox shim is not included in this adapter release.');
+        return adapter;
+      }
+      logging('adapter.js shimming firefox.');
+      // Export to the adapter global object visible in the browser.
+      adapter.browserShim = firefoxShim;
+
+      firefoxShim.shimGetUserMedia(window);
+      utils.shimCreateObjectURL(window);
+      firefoxShim.shimSourceObject(window);
+      firefoxShim.shimPeerConnection(window);
+      firefoxShim.shimOnTrack(window);
+      break;
+    case 'edge':
+      if (!edgeShim || !edgeShim.shimPeerConnection) {
+        logging('MS edge shim is not included in this adapter release.');
+        return adapter;
+      }
+      logging('adapter.js shimming edge.');
+      // Export to the adapter global object visible in the browser.
+      adapter.browserShim = edgeShim;
+
+      edgeShim.shimGetUserMedia(window);
+      utils.shimCreateObjectURL(window);
+      edgeShim.shimPeerConnection(window);
+      edgeShim.shimReplaceTrack(window);
+      break;
+    case 'safari':
+      if (!safariShim) {
+        logging('Safari shim is not included in this adapter release.');
+        return adapter;
+      }
+      logging('adapter.js shimming safari.');
+      // Export to the adapter global object visible in the browser.
+      adapter.browserShim = safariShim;
+      // shim window.URL.createObjectURL Safari (technical preview)
+      utils.shimCreateObjectURL(window);
+      safariShim.shimRTCIceServerUrls(window);
+      safariShim.shimCallbacksAPI(window);
+      safariShim.shimLocalStreamsAPI(window);
+      safariShim.shimRemoteStreamsAPI(window);
+      safariShim.shimGetUserMedia(window);
+      break;
+    default:
+      logging('Unsupported browser!');
+      break;
+  }
+
+  return adapter;
+};
+
+},{"./chrome/chrome_shim":4,"./edge/edge_shim":6,"./firefox/firefox_shim":9,"./safari/safari_shim":11,"./utils":12}],4:[function(require,module,exports){
+
+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree.
+ */
+ /* eslint-env node */
+'use strict';
+var utils = require('../utils.js');
+var logging = utils.log;
+
+var chromeShim = {
+  shimMediaStream: function(window) {
+    window.MediaStream = window.MediaStream || window.webkitMediaStream;
+  },
+
+  shimOnTrack: function(window) {
+    if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
+        window.RTCPeerConnection.prototype)) {
+      Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
+        get: function() {
+          return this._ontrack;
+        },
+        set: function(f) {
+          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 receiver;
+              if (window.RTCPeerConnection.prototype.getReceivers) {
+                receiver = self.getReceivers().find(function(r) {
+                  return r.track.id === te.track.id;
+                });
+              } else {
+                receiver = {track: te.track};
+              }
+
+              var event = new Event('track');
+              event.track = te.track;
+              event.receiver = receiver;
+              event.streams = [e.stream];
+              self.dispatchEvent(event);
+            });
+            e.stream.getTracks().forEach(function(track) {
+              var receiver;
+              if (window.RTCPeerConnection.prototype.getReceivers) {
+                receiver = self.getReceivers().find(function(r) {
+                  return r.track.id === track.id;
+                });
+              } else {
+                receiver = {track: track};
+              }
+              var event = new Event('track');
+              event.track = track;
+              event.receiver = receiver;
+              event.streams = [e.stream];
+              this.dispatchEvent(event);
+            }.bind(this));
+          }.bind(this));
+        }
+      });
+    }
+  },
+
+  shimGetSendersWithDtmf: function(window) {
+    if (typeof window === 'object' && window.RTCPeerConnection &&
+        !('getSenders' in window.RTCPeerConnection.prototype) &&
+        'createDTMFSender' in window.RTCPeerConnection.prototype) {
+      window.RTCPeerConnection.prototype.getSenders = function() {
+        return this._senders || [];
+      };
+      var origAddStream = window.RTCPeerConnection.prototype.addStream;
+      var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
+
+      if (!window.RTCPeerConnection.prototype.addTrack) {
+        window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
+          var pc = this;
+          if (pc.signalingState === 'closed') {
+            throw new DOMException(
+              'The RTCPeerConnection\'s signalingState is \'closed\'.',
+              'InvalidStateError');
+          }
+          var streams = [].slice.call(arguments, 1);
+          if (streams.length !== 1 ||
+              !streams[0].getTracks().find(function(t) {
+                return t === track;
+              })) {
+            // this is not fully correct but all we can manage without
+            // [[associated MediaStreams]] internal slot.
+            throw new DOMException(
+              'The adapter.js addTrack polyfill only supports a single ' +
+              ' stream which is associated with the specified track.',
+              'NotSupportedError');
+          }
+
+          pc._senders = pc._senders || [];
+          var alreadyExists = pc._senders.find(function(t) {
+            return t.track === track;
+          });
+          if (alreadyExists) {
+            throw new DOMException('Track already exists.',
+                'InvalidAccessError');
+          }
+
+          pc._streams = pc._streams || {};
+          var oldStream = pc._streams[stream.id];
+          if (oldStream) {
+            oldStream.addTrack(track);
+            pc.removeStream(oldStream);
+            pc.addStream(oldStream);
+          } else {
+            var newStream = new window.MediaStream([track]);
+            pc._streams[stream.id] = newStream;
+            pc.addStream(newStream);
+          }
+
+          var sender = {
+            track: track,
+            get dtmf() {
+              if (this._dtmf === undefined) {
+                if (track.kind === 'audio') {
+                  this._dtmf = pc.createDTMFSender(track);
+                } else {
+                  this._dtmf = null;
+                }
+              }
+              return this._dtmf;
+            }
+          };
+          pc._senders.push(sender);
+          return sender;
+        };
+      }
+      window.RTCPeerConnection.prototype.addStream = function(stream) {
+        var pc = this;
+        pc._senders = pc._senders || [];
+        origAddStream.apply(pc, [stream]);
+        stream.getTracks().forEach(function(track) {
+          pc._senders.push({
+            track: track,
+            get dtmf() {
+              if (this._dtmf === undefined) {
+                if (track.kind === 'audio') {
+                  this._dtmf = pc.createDTMFSender(track);
+                } else {
+                  this._dtmf = null;
+                }
+              }
+              return this._dtmf;
+            }
+          });
+        });
+      };
+
+      window.RTCPeerConnection.prototype.removeStream = function(stream) {
+        var pc = this;
+        pc._senders = pc._senders || [];
+        origRemoveStream.apply(pc, [stream]);
+        stream.getTracks().forEach(function(track) {
+          var sender = pc._senders.find(function(s) {
+            return s.track === track;
+          });
+          if (sender) {
+            pc._senders.splice(pc._senders.indexOf(sender), 1); // remove sender
+          }
+        });
+      };
+    } else if (typeof window === 'object' && window.RTCPeerConnection &&
+               'getSenders' in window.RTCPeerConnection.prototype &&
+               'createDTMFSender' in window.RTCPeerConnection.prototype &&
+               window.RTCRtpSender &&
+               !('dtmf' in window.RTCRtpSender.prototype)) {
+      var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
+      window.RTCPeerConnection.prototype.getSenders = function() {
+        var pc = this;
+        var senders = origGetSenders.apply(pc, []);
+        senders.forEach(function(sender) {
+          sender._pc = pc;
+        });
+        return senders;
+      };
+
+      Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
+        get: function() {
+          if (this._dtmf === undefined) {
+            if (this.track.kind === 'audio') {
+              this._dtmf = this._pc.createDTMFSender(this.track);
+            } else {
+              this._dtmf = null;
+            }
+          }
+          return this._dtmf;
+        },
+      });
+    }
+  },
+
+  shimSourceObject: function(window) {
+    var URL = window && window.URL;
+
+    if (typeof window === 'object') {
+      if (window.HTMLMediaElement &&
+        !('srcObject' in window.HTMLMediaElement.prototype)) {
+        // Shim the srcObject property, once, when HTMLMediaElement is found.
+        Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
+          get: function() {
+            return this._srcObject;
+          },
+          set: function(stream) {
+            var self = this;
+            // Use _srcObject as a private property for this shim
+            this._srcObject = stream;
+            if (this.src) {
+              URL.revokeObjectURL(this.src);
+            }
+
+            if (!stream) {
+              this.src = '';
+              return undefined;
+            }
+            this.src = URL.createObjectURL(stream);
+            // We need to recreate the blob url when a track is added or
+            // removed. Doing it manually since we want to avoid a recursion.
+            stream.addEventListener('addtrack', function() {
+              if (self.src) {
+                URL.revokeObjectURL(self.src);
+              }
+              self.src = URL.createObjectURL(stream);
+            });
+            stream.addEventListener('removetrack', function() {
+              if (self.src) {
+                URL.revokeObjectURL(self.src);
+              }
+              self.src = URL.createObjectURL(stream);
+            });
+          }
+        });
+      }
+    }
+  },
+
+  shimPeerConnection: function(window) {
+    var browserDetails = utils.detectBrowser(window);
+
+    // The RTCPeerConnection object.
+    if (!window.RTCPeerConnection) {
+      window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+        // Translate iceTransportPolicy to iceTransports,
+        // see https://code.google.com/p/webrtc/issues/detail?id=4869
+        // this was fixed in M56 along with unprefixing RTCPeerConnection.
+        logging('PeerConnection');
+        if (pcConfig && pcConfig.iceTransportPolicy) {
+          pcConfig.iceTransports = pcConfig.iceTransportPolicy;
+        }
+
+        return new window.webkitRTCPeerConnection(pcConfig, pcConstraints);
+      };
+      window.RTCPeerConnection.prototype =
+          window.webkitRTCPeerConnection.prototype;
+      // wrap static methods. Currently just generateCertificate.
+      if (window.webkitRTCPeerConnection.generateCertificate) {
+        Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+          get: function() {
+            return window.webkitRTCPeerConnection.generateCertificate;
+          }
+        });
+      }
+    } else {
+      // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
+      var OrigPeerConnection = window.RTCPeerConnection;
+      window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+        if (pcConfig && pcConfig.iceServers) {
+          var newIceServers = [];
+          for (var i = 0; i < pcConfig.iceServers.length; i++) {
+            var server = pcConfig.iceServers[i];
+            if (!server.hasOwnProperty('urls') &&
+                server.hasOwnProperty('url')) {
+              console.warn('RTCIceServer.url is deprecated! Use urls instead.');
+              server = JSON.parse(JSON.stringify(server));
+              server.urls = server.url;
+              newIceServers.push(server);
+            } else {
+              newIceServers.push(pcConfig.iceServers[i]);
+            }
+          }
+          pcConfig.iceServers = newIceServers;
+        }
+        return new OrigPeerConnection(pcConfig, pcConstraints);
+      };
+      window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
+      // wrap static methods. Currently just generateCertificate.
+      Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+        get: function() {
+          return OrigPeerConnection.generateCertificate;
+        }
+      });
+    }
+
+    var origGetStats = window.RTCPeerConnection.prototype.getStats;
+    window.RTCPeerConnection.prototype.getStats = function(selector,
+        successCallback, errorCallback) {
+      var 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.apply(this, arguments);
+      }
+
+      // When spec-style getStats is supported, return those when called with
+      // either no arguments or the selector argument is null.
+      if (origGetStats.length === 0 && (arguments.length === 0 ||
+          typeof arguments[0] !== 'function')) {
+        return origGetStats.apply(this, []);
+      }
+
+      var fixChromeStats_ = function(response) {
+        var standardReport = {};
+        var reports = response.result();
+        reports.forEach(function(report) {
+          var standardStats = {
+            id: report.id,
+            timestamp: report.timestamp,
+            type: {
+              localcandidate: 'local-candidate',
+              remotecandidate: 'remote-candidate'
+            }[report.type] || report.type
+          };
+          report.names().forEach(function(name) {
+            standardStats[name] = report.stat(name);
+          });
+          standardReport[standardStats.id] = standardStats;
+        });
+
+        return standardReport;
+      };
+
+      // shim getStats with maplike support
+      var makeMapStats = function(stats) {
+        return new Map(Object.keys(stats).map(function(key) {
+          return [key, stats[key]];
+        }));
+      };
+
+      if (arguments.length >= 2) {
+        var successCallbackWrapper_ = function(response) {
+          args[1](makeMapStats(fixChromeStats_(response)));
+        };
+
+        return origGetStats.apply(this, [successCallbackWrapper_,
+          arguments[0]]);
+      }
+
+      // promise-support
+      return new Promise(function(resolve, reject) {
+        origGetStats.apply(self, [
+          function(response) {
+            resolve(makeMapStats(fixChromeStats_(response)));
+          }, reject]);
+      }).then(successCallback, errorCallback);
+    };
+
+    // add promise support -- natively available in Chrome 51
+    if (browserDetails.version < 51) {
+      ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
+          .forEach(function(method) {
+            var nativeMethod = window.RTCPeerConnection.prototype[method];
+            window.RTCPeerConnection.prototype[method] = function() {
+              var args = arguments;
+              var 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]);
+                }
+              });
+            };
+          });
+    }
+
+    // promise support for createOffer and createAnswer. Available (without
+    // bugs) since M52: crbug/619289
+    if (browserDetails.version < 52) {
+      ['createOffer', 'createAnswer'].forEach(function(method) {
+        var nativeMethod = window.RTCPeerConnection.prototype[method];
+        window.RTCPeerConnection.prototype[method] = function() {
+          var 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);
+        };
+      });
+    }
+
+    // shim implicit creation of RTCSessionDescription/RTCIceCandidate
+    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
+        .forEach(function(method) {
+          var nativeMethod = window.RTCPeerConnection.prototype[method];
+          window.RTCPeerConnection.prototype[method] = function() {
+            arguments[0] = new ((method === 'addIceCandidate') ?
+                window.RTCIceCandidate :
+                window.RTCSessionDescription)(arguments[0]);
+            return nativeMethod.apply(this, arguments);
+          };
+        });
+
+    // support for addIceCandidate(null or undefined)
+    var nativeAddIceCandidate =
+        window.RTCPeerConnection.prototype.addIceCandidate;
+    window.RTCPeerConnection.prototype.addIceCandidate = function() {
+      if (!arguments[0]) {
+        if (arguments[1]) {
+          arguments[1].apply(null);
+        }
+        return Promise.resolve();
+      }
+      return nativeAddIceCandidate.apply(this, arguments);
+    };
+  }
+};
+
+
+// Expose public methods.
+module.exports = {
+  shimMediaStream: chromeShim.shimMediaStream,
+  shimOnTrack: chromeShim.shimOnTrack,
+  shimGetSendersWithDtmf: chromeShim.shimGetSendersWithDtmf,
+  shimSourceObject: chromeShim.shimSourceObject,
+  shimPeerConnection: chromeShim.shimPeerConnection,
+  shimGetUserMedia: require('./getusermedia')
+};
+
+},{"../utils.js":12,"./getusermedia":5}],5:[function(require,module,exports){
+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree.
+ */
+ /* eslint-env node */
+'use strict';
+var utils = require('../utils.js');
+var logging = utils.log;
+
+// Expose public methods.
+module.exports = function(window) {
+  var browserDetails = utils.detectBrowser(window);
+  var navigator = window && window.navigator;
+
+  var constraintsToChrome_ = function(c) {
+    if (typeof c !== 'object' || c.mandatory || c.optional) {
+      return c;
+    }
+    var cc = {};
+    Object.keys(c).forEach(function(key) {
+      if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
+        return;
+      }
+      var r = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]};
+      if (r.exact !== undefined && typeof r.exact === 'number') {
+        r.min = r.max = r.exact;
+      }
+      var oldname_ = function(prefix, name) {
+        if (prefix) {
+          return prefix + name.charAt(0).toUpperCase() + name.slice(1);
+        }
+        return (name === 'deviceId') ? 'sourceId' : name;
+      };
+      if (r.ideal !== undefined) {
+        cc.optional = cc.optional || [];
+        var oc = {};
+        if (typeof r.ideal === 'number') {
+          oc[oldname_('min', key)] = r.ideal;
+          cc.optional.push(oc);
+          oc = {};
+          oc[oldname_('max', key)] = r.ideal;
+          cc.optional.push(oc);
+        } else {
+          oc[oldname_('', key)] = r.ideal;
+          cc.optional.push(oc);
+        }
+      }
+      if (r.exact !== undefined && typeof r.exact !== 'number') {
+        cc.mandatory = cc.mandatory || {};
+        cc.mandatory[oldname_('', key)] = r.exact;
+      } else {
+        ['min', 'max'].forEach(function(mix) {
+          if (r[mix] !== undefined) {
+            cc.mandatory = cc.mandatory || {};
+            cc.mandatory[oldname_(mix, key)] = r[mix];
+          }
+        });
+      }
+    });
+    if (c.advanced) {
+      cc.optional = (cc.optional || []).concat(c.advanced);
+    }
+    return cc;
+  };
+
+  var shimConstraints_ = function(constraints, func) {
+    constraints = JSON.parse(JSON.stringify(constraints));
+    if (constraints && typeof constraints.audio === 'object') {
+      var remap = function(obj, a, b) {
+        if (a in obj && !(b in obj)) {
+          obj[b] = obj[a];
+          delete obj[a];
+        }
+      };
+      constraints = JSON.parse(JSON.stringify(constraints));
+      remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');
+      remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');
+      constraints.audio = constraintsToChrome_(constraints.audio);
+    }
+    if (constraints && typeof constraints.video === 'object') {
+      // Shim facingMode for mobile & surface pro.
+      var face = constraints.video.facingMode;
+      face = face && ((typeof face === 'object') ? face : {ideal: face});
+      var getSupportedFacingModeLies = browserDetails.version < 61;
+
+      if ((face && (face.exact === 'user' || face.exact === 'environment' ||
+                    face.ideal === 'user' || face.ideal === 'environment')) &&
+          !(navigator.mediaDevices.getSupportedConstraints &&
+            navigator.mediaDevices.getSupportedConstraints().facingMode &&
+            !getSupportedFacingModeLies)) {
+        delete constraints.video.facingMode;
+        var matches;
+        if (face.exact === 'environment' || face.ideal === 'environment') {
+          matches = ['back', 'rear'];
+        } else if (face.exact === 'user' || face.ideal === 'user') {
+          matches = ['front'];
+        }
+        if (matches) {
+          // Look for matches in label, or use last cam for back (typical).
+          return navigator.mediaDevices.enumerateDevices()
+          .then(function(devices) {
+            devices = devices.filter(function(d) {
+              return d.kind === 'videoinput';
+            });
+            var dev = devices.find(function(d) {
+              return matches.some(function(match) {
+                return d.label.toLowerCase().indexOf(match) !== -1;
+              });
+            });
+            if (!dev && devices.length && matches.indexOf('back') !== -1) {
+              dev = devices[devices.length - 1]; // more likely the back cam
+            }
+            if (dev) {
+              constraints.video.deviceId = face.exact ? {exact: dev.deviceId} :
+                                                        {ideal: dev.deviceId};
+            }
+            constraints.video = constraintsToChrome_(constraints.video);
+            logging('chrome: ' + JSON.stringify(constraints));
+            return func(constraints);
+          });
+        }
+      }
+      constraints.video = constraintsToChrome_(constraints.video);
+    }
+    logging('chrome: ' + JSON.stringify(constraints));
+    return func(constraints);
+  };
+
+  var shimError_ = function(e) {
+    return {
+      name: {
+        PermissionDeniedError: 'NotAllowedError',
+        InvalidStateError: 'NotReadableError',
+        DevicesNotFoundError: 'NotFoundError',
+        ConstraintNotSatisfiedError: 'OverconstrainedError',
+        TrackStartError: 'NotReadableError',
+        MediaDeviceFailedDueToShutdown: 'NotReadableError',
+        MediaDeviceKillSwitchOn: 'NotReadableError'
+      }[e.name] || e.name,
+      message: e.message,
+      constraint: e.constraintName,
+      toString: function() {
+        return this.name + (this.message && ': ') + this.message;
+      }
+    };
+  };
+
+  var getUserMedia_ = function(constraints, onSuccess, onError) {
+    shimConstraints_(constraints, function(c) {
+      navigator.webkitGetUserMedia(c, onSuccess, function(e) {
+        onError(shimError_(e));
+      });
+    });
+  };
+
+  navigator.getUserMedia = getUserMedia_;
+
+  // Returns the result of getUserMedia as a Promise.
+  var getUserMediaPromise_ = function(constraints) {
+    return new Promise(function(resolve, reject) {
+      navigator.getUserMedia(constraints, resolve, reject);
+    });
+  };
+
+  if (!navigator.mediaDevices) {
+    navigator.mediaDevices = {
+      getUserMedia: getUserMediaPromise_,
+      enumerateDevices: function() {
+        return new Promise(function(resolve) {
+          var kinds = {audio: 'audioinput', video: 'videoinput'};
+          return window.MediaStreamTrack.getSources(function(devices) {
+            resolve(devices.map(function(device) {
+              return {label: device.label,
+                kind: kinds[device.kind],
+                deviceId: device.id,
+                groupId: ''};
+            }));
+          });
+        });
+      },
+      getSupportedConstraints: function() {
+        return {
+          deviceId: true, echoCancellation: true, facingMode: true,
+          frameRate: true, height: true, width: true
+        };
+      }
+    };
+  }
+
+  // A shim for getUserMedia method on the mediaDevices object.
+  // TODO(KaptenJansson) remove once implemented in Chrome stable.
+  if (!navigator.mediaDevices.getUserMedia) {
+    navigator.mediaDevices.getUserMedia = function(constraints) {
+      return getUserMediaPromise_(constraints);
+    };
+  } else {
+    // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
+    // function which returns a Promise, it does not accept spec-style
+    // constraints.
+    var origGetUserMedia = navigator.mediaDevices.getUserMedia.
+        bind(navigator.mediaDevices);
+    navigator.mediaDevices.getUserMedia = function(cs) {
+      return shimConstraints_(cs, function(c) {
+        return origGetUserMedia(c).then(function(stream) {
+          if (c.audio && !stream.getAudioTracks().length ||
+              c.video && !stream.getVideoTracks().length) {
+            stream.getTracks().forEach(function(track) {
+              track.stop();
+            });
+            throw new DOMException('', 'NotFoundError');
+          }
+          return stream;
+        }, function(e) {
+          return Promise.reject(shimError_(e));
+        });
+      });
+    };
+  }
+
+  // Dummy devicechange event methods.
+  // TODO(KaptenJansson) remove once implemented in Chrome stable.
+  if (typeof navigator.mediaDevices.addEventListener === 'undefined') {
+    navigator.mediaDevices.addEventListener = function() {
+      logging('Dummy mediaDevices.addEventListener called.');
+    };
+  }
+  if (typeof navigator.mediaDevices.removeEventListener === 'undefined') {
+    navigator.mediaDevices.removeEventListener = function() {
+      logging('Dummy mediaDevices.removeEventListener called.');
+    };
+  }
+};
+
+},{"../utils.js":12}],6:[function(require,module,exports){
+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var utils = require('../utils');
+var shimRTCPeerConnection = require('./rtcpeerconnection_shim');
+
+module.exports = {
+  shimGetUserMedia: require('./getusermedia'),
+  shimPeerConnection: function(window) {
+    var browserDetails = utils.detectBrowser(window);
+
+    if (window.RTCIceGatherer) {
+      // ORTC defines an RTCIceCandidate object but no constructor.
+      // Not implemented in Edge.
+      if (!window.RTCIceCandidate) {
+        window.RTCIceCandidate = function(args) {
+          return args;
+        };
+      }
+      // ORTC does not have a session description object but
+      // other browsers (i.e. Chrome) that will support both PC and ORTC
+      // in the future might have this defined already.
+      if (!window.RTCSessionDescription) {
+        window.RTCSessionDescription = function(args) {
+          return args;
+        };
+      }
+      // this adds an additional event listener to MediaStrackTrack that signals
+      // when a tracks enabled property was changed. Workaround for a bug in
+      // addStream, see below. No longer required in 15025+
+      if (browserDetails.version < 15025) {
+        var origMSTEnabled = Object.getOwnPropertyDescriptor(
+            window.MediaStreamTrack.prototype, 'enabled');
+        Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {
+          set: function(value) {
+            origMSTEnabled.set.call(this, value);
+            var ev = new Event('enabled');
+            ev.enabled = value;
+            this.dispatchEvent(ev);
+          }
+        });
+      }
+    }
+    window.RTCPeerConnection =
+        shimRTCPeerConnection(window, browserDetails.version);
+  },
+  shimReplaceTrack: function(window) {
+    // ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614
+    if (window.RTCRtpSender &&
+        !('replaceTrack' in window.RTCRtpSender.prototype)) {
+      window.RTCRtpSender.prototype.replaceTrack =
+          window.RTCRtpSender.prototype.setTrack;
+    }
+  }
+};
+
+},{"../utils":12,"./getusermedia":7,"./rtcpeerconnection_shim":8}],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';
+
+// Expose public methods.
+module.exports = function(window) {
+  var navigator = window && window.navigator;
+
+  var shimError_ = function(e) {
+    return {
+      name: {PermissionDeniedError: 'NotAllowedError'}[e.name] || e.name,
+      message: e.message,
+      constraint: e.constraint,
+      toString: function() {
+        return this.name;
+      }
+    };
+  };
+
+  // getUserMedia error shim.
+  var origGetUserMedia = navigator.mediaDevices.getUserMedia.
+      bind(navigator.mediaDevices);
+  navigator.mediaDevices.getUserMedia = function(c) {
+    return origGetUserMedia(c).catch(function(e) {
+      return Promise.reject(shimError_(e));
+    });
+  };
+};
+
+},{}],8:[function(require,module,exports){
+/*
+ *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var SDPUtils = require('sdp');
+
+// sort tracks such that they follow an a-v-a-v...
+// pattern.
+function sortTracks(tracks) {
+  var audioTracks = tracks.filter(function(track) {
+    return track.kind === 'audio';
+  });
+  var videoTracks = tracks.filter(function(track) {
+    return track.kind === 'video';
+  });
+  tracks = [];
+  while (audioTracks.length || videoTracks.length) {
+    if (audioTracks.length) {
+      tracks.push(audioTracks.shift());
+    }
+    if (videoTracks.length) {
+      tracks.push(videoTracks.shift());
+    }
+  }
+  return tracks;
+}
+
+// Edge does not like
+// 1) stun:
+// 2) turn: that does not have all of turn:host:port?transport=udp
+// 3) turn: with ipv6 addresses
+// 4) turn: occurring muliple times
+function filterIceServers(iceServers, edgeVersion) {
+  var hasTurn = false;
+  iceServers = JSON.parse(JSON.stringify(iceServers));
+  return iceServers.filter(function(server) {
+    if (server && (server.urls || server.url)) {
+      var urls = server.urls || server.url;
+      if (server.url && !server.urls) {
+        console.warn('RTCIceServer.url is deprecated! Use urls instead.');
+      }
+      var isString = typeof urls === 'string';
+      if (isString) {
+        urls = [urls];
+      }
+      urls = urls.filter(function(url) {
+        var validTurn = url.indexOf('turn:') === 0 &&
+            url.indexOf('transport=udp') !== -1 &&
+            url.indexOf('turn:[') === -1 &&
+            !hasTurn;
+
+        if (validTurn) {
+          hasTurn = true;
+          return true;
+        }
+        return url.indexOf('stun:') === 0 && edgeVersion >= 14393;
+      });
+
+      delete server.url;
+      server.urls = isString ? urls[0] : urls;
+      return !!urls.length;
+    }
+    return false;
+  });
+}
+
+// Determines the intersection of local and remote capabilities.
+function getCommonCapabilities(localCapabilities, remoteCapabilities) {
+  var commonCapabilities = {
+    codecs: [],
+    headerExtensions: [],
+    fecMechanisms: []
+  };
+
+  var findCodecByPayloadType = function(pt, codecs) {
+    pt = parseInt(pt, 10);
+    for (var i = 0; i < codecs.length; i++) {
+      if (codecs[i].payloadType === pt ||
+          codecs[i].preferredPayloadType === pt) {
+        return codecs[i];
+      }
+    }
+  };
+
+  var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) {
+    var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);
+    var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);
+    return lCodec && rCodec &&
+        lCodec.name.toLowerCase() === rCodec.name.toLowerCase();
+  };
+
+  localCapabilities.codecs.forEach(function(lCodec) {
+    for (var i = 0; i < remoteCapabilities.codecs.length; i++) {
+      var rCodec = remoteCapabilities.codecs[i];
+      if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() &&
+          lCodec.clockRate === rCodec.clockRate) {
+        if (lCodec.name.toLowerCase() === 'rtx' &&
+            lCodec.parameters && rCodec.parameters.apt) {
+          // for RTX we need to find the local rtx that has a apt
+          // which points to the same local codec as the remote one.
+          if (!rtxCapabilityMatches(lCodec, rCodec,
+              localCapabilities.codecs, remoteCapabilities.codecs)) {
+            continue;
+          }
+        }
+        rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy
+        // number of channels is the highest common number of channels
+        rCodec.numChannels = Math.min(lCodec.numChannels,
+            rCodec.numChannels);
+        // push rCodec so we reply with offerer payload type
+        commonCapabilities.codecs.push(rCodec);
+
+        // determine common feedback mechanisms
+        rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) {
+          for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {
+            if (lCodec.rtcpFeedback[j].type === fb.type &&
+                lCodec.rtcpFeedback[j].parameter === fb.parameter) {
+              return true;
+            }
+          }
+          return false;
+        });
+        // FIXME: also need to determine .parameters
+        //  see https://github.com/openpeer/ortc/issues/569
+        break;
+      }
+    }
+  });
+
+  localCapabilities.headerExtensions.forEach(function(lHeaderExtension) {
+    for (var i = 0; i < remoteCapabilities.headerExtensions.length;
+         i++) {
+      var rHeaderExtension = remoteCapabilities.headerExtensions[i];
+      if (lHeaderExtension.uri === rHeaderExtension.uri) {
+        commonCapabilities.headerExtensions.push(rHeaderExtension);
+        break;
+      }
+    }
+  });
+
+  // FIXME: fecMechanisms
+  return commonCapabilities;
+}
+
+// is action=setLocalDescription with type allowed in signalingState
+function isActionAllowedInSignalingState(action, type, signalingState) {
+  return {
+    offer: {
+      setLocalDescription: ['stable', 'have-local-offer'],
+      setRemoteDescription: ['stable', 'have-remote-offer']
+    },
+    answer: {
+      setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],
+      setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']
+    }
+  }[type][action].indexOf(signalingState) !== -1;
+}
+
+module.exports = function(window, edgeVersion) {
+  var RTCPeerConnection = function(config) {
+    var self = this;
+
+    var _eventTarget = document.createDocumentFragment();
+    ['addEventListener', 'removeEventListener', 'dispatchEvent']
+        .forEach(function(method) {
+          self[method] = _eventTarget[method].bind(_eventTarget);
+        });
+
+    this.needNegotiation = false;
+
+    this.onicecandidate = null;
+    this.onaddstream = null;
+    this.ontrack = null;
+    this.onremovestream = null;
+    this.onsignalingstatechange = null;
+    this.oniceconnectionstatechange = null;
+    this.onicegatheringstatechange = null;
+    this.onnegotiationneeded = null;
+    this.ondatachannel = null;
+    this.canTrickleIceCandidates = null;
+
+    this.localStreams = [];
+    this.remoteStreams = [];
+    this.getLocalStreams = function() {
+      return self.localStreams;
+    };
+    this.getRemoteStreams = function() {
+      return self.remoteStreams;
+    };
+
+    this.localDescription = new window.RTCSessionDescription({
+      type: '',
+      sdp: ''
+    });
+    this.remoteDescription = new window.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;
+        default:
+          // don't set iceTransportPolicy.
+          break;
+      }
+    }
+    this.usingBundle = config && config.bundlePolicy === 'max-bundle';
+
+    if (config && config.iceServers) {
+      this.iceOptions.iceServers = filterIceServers(config.iceServers,
+          edgeVersion);
+    }
+    this._config = config || {};
+
+    // 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 = [];
+
+    this._sdpSessionId = SDPUtils.generateSessionId();
+  };
+
+  RTCPeerConnection.prototype._emitGatheringStateChange = function() {
+    var event = new Event('icegatheringstatechange');
+    this.dispatchEvent(event);
+    if (this.onicegatheringstatechange !== null) {
+      this.onicegatheringstatechange(event);
+    }
+  };
+
+  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 {
+        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.iceGatheringStateChange !== 'complete') {
+          self.iceGatheringState = 'complete';
+          self._emitGatheringStateChange();
+        }
+      }
+    });
+    this._localIceCandidatesBuffer = [];
+  };
+
+  RTCPeerConnection.prototype.getConfiguration = function() {
+    return this._config;
+  };
+
+  // internal helper to create a transceiver object.
+  // (whih is not yet the same as the WebRTC 1.0 transceiver)
+  RTCPeerConnection.prototype._createTransceiver = function(kind) {
+    var hasBundleTransport = this.transceivers.length > 0;
+    var transceiver = {
+      track: null,
+      iceGatherer: null,
+      iceTransport: null,
+      dtlsTransport: null,
+      localCapabilities: null,
+      remoteCapabilities: null,
+      rtpSender: null,
+      rtpReceiver: null,
+      kind: kind,
+      mid: null,
+      sendEncodingParameters: null,
+      recvEncodingParameters: null,
+      stream: null,
+      wantReceive: true
+    };
+    if (this.usingBundle && hasBundleTransport) {
+      transceiver.iceTransport = this.transceivers[0].iceTransport;
+      transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;
+    } else {
+      var transports = this._createIceAndDtlsTransports();
+      transceiver.iceTransport = transports.iceTransport;
+      transceiver.dtlsTransport = transports.dtlsTransport;
+    }
+    this.transceivers.push(transceiver);
+    return transceiver;
+  };
+
+  RTCPeerConnection.prototype.addTrack = function(track, stream) {
+    var transceiver;
+    for (var i = 0; i < this.transceivers.length; i++) {
+      if (!this.transceivers[i].track &&
+          this.transceivers[i].kind === track.kind) {
+        transceiver = this.transceivers[i];
+      }
+    }
+    if (!transceiver) {
+      transceiver = this._createTransceiver(track.kind);
+    }
+
+    transceiver.track = track;
+    transceiver.stream = stream;
+    transceiver.rtpSender = new window.RTCRtpSender(track,
+        transceiver.dtlsTransport);
+
+    this._maybeFireNegotiationNeeded();
+    return transceiver.rtpSender;
+  };
+
+  RTCPeerConnection.prototype.addStream = function(stream) {
+    var self = this;
+    if (edgeVersion >= 15025) {
+      this.localStreams.push(stream);
+      stream.getTracks().forEach(function(track) {
+        self.addTrack(track, stream);
+      });
+    } else {
+      // Clone is necessary for local demos mostly, attaching directly
+      // to two different senders does not work (build 10547).
+      // Fixed in 15025 (or earlier)
+      var clonedStream = stream.clone();
+      stream.getTracks().forEach(function(track, idx) {
+        var clonedTrack = clonedStream.getTracks()[idx];
+        track.addEventListener('enabled', function(event) {
+          clonedTrack.enabled = event.enabled;
+        });
+      });
+      clonedStream.getTracks().forEach(function(track) {
+        self.addTrack(track, clonedStream);
+      });
+      this.localStreams.push(clonedStream);
+    }
+    this._maybeFireNegotiationNeeded();
+  };
+
+  RTCPeerConnection.prototype.removeStream = function(stream) {
+    var idx = this.localStreams.indexOf(stream);
+    if (idx > -1) {
+      this.localStreams.splice(idx, 1);
+      this._maybeFireNegotiationNeeded();
+    }
+  };
+
+  RTCPeerConnection.prototype.getSenders = function() {
+    return this.transceivers.filter(function(transceiver) {
+      return !!transceiver.rtpSender;
+    })
+    .map(function(transceiver) {
+      return transceiver.rtpSender;
+    });
+  };
+
+  RTCPeerConnection.prototype.getReceivers = function() {
+    return this.transceivers.filter(function(transceiver) {
+      return !!transceiver.rtpReceiver;
+    })
+    .map(function(transceiver) {
+      return transceiver.rtpReceiver;
+    });
+  };
+
+  // Create ICE gatherer and hook it up.
+  RTCPeerConnection.prototype._createIceGatherer = function(mid,
+      sdpMLineIndex) {
+    var self = this;
+    var iceGatherer = new window.RTCIceGatherer(self.iceOptions);
+    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';
+        }
+      } else {
+        // RTCIceCandidate doesn't have a component, needs to be added
+        cand.component = 1;
+        event.candidate.candidate = SDPUtils.writeCandidate(cand);
+      }
+
+      // update local description.
+      var sections = SDPUtils.splitSections(self.localDescription.sdp);
+      if (!end) {
+        sections[event.candidate.sdpMLineIndex + 1] +=
+            'a=' + event.candidate.candidate + '\r\n';
+      } else {
+        sections[event.candidate.sdpMLineIndex + 1] +=
+            'a=end-of-candidates\r\n';
+      }
+      self.localDescription.sdp = sections.join('');
+      var transceivers = self._pendingOffer ? self._pendingOffer :
+          self.transceivers;
+      var complete = 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':
+          if (!end) {
+            self._localIceCandidatesBuffer.push(event);
+          }
+          if (end && complete) {
+            self._localIceCandidatesBuffer.push(
+                new Event('icecandidate'));
+          }
+          break;
+        case 'gathering':
+          self._emitBufferedCandidates();
+          if (!end) {
+            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';
+            self._emitGatheringStateChange();
+          }
+          break;
+        case 'complete':
+          // should not happen... currently!
+          break;
+        default: // no-op.
+          break;
+      }
+    };
+    return iceGatherer;
+  };
+
+  // Create ICE transport and DTLS transport.
+  RTCPeerConnection.prototype._createIceAndDtlsTransports = function() {
+    var self = this;
+    var iceTransport = new window.RTCIceTransport(null);
+    iceTransport.onicestatechange = function() {
+      self._updateConnectionState();
+    };
+
+    var dtlsTransport = new window.RTCDtlsTransport(iceTransport);
+    dtlsTransport.ondtlsstatechange = function() {
+      self._updateConnectionState();
+    };
+    dtlsTransport.onerror = function() {
+      // onerror does not set state to failed by itself.
+      Object.defineProperty(dtlsTransport, 'state',
+          {value: 'failed', writable: true});
+      self._updateConnectionState();
+    };
+
+    return {
+      iceTransport: iceTransport,
+      dtlsTransport: dtlsTransport
+    };
+  };
+
+  // Destroy ICE gatherer, ICE transport and DTLS transport.
+  // Without triggering the callbacks.
+  RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function(
+      sdpMLineIndex) {
+    var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
+    if (iceGatherer) {
+      delete iceGatherer.onlocalcandidate;
+      delete this.transceivers[sdpMLineIndex].iceGatherer;
+    }
+    var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;
+    if (iceTransport) {
+      delete iceTransport.onicestatechange;
+      delete this.transceivers[sdpMLineIndex].iceTransport;
+    }
+    var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;
+    if (dtlsTransport) {
+      delete dtlsTransport.ondtlssttatechange;
+      delete dtlsTransport.onerror;
+      delete this.transceivers[sdpMLineIndex].dtlsTransport;
+    }
+  };
+
+  // Start the RTP Sender and Receiver for a transceiver.
+  RTCPeerConnection.prototype._transceive = function(transceiver,
+      send, recv) {
+    var params = getCommonCapabilities(transceiver.localCapabilities,
+        transceiver.remoteCapabilities);
+    if (send && transceiver.rtpSender) {
+      params.encodings = transceiver.sendEncodingParameters;
+      params.rtcp = {
+        cname: SDPUtils.localCName,
+        compound: transceiver.rtcpParameters.compound
+      };
+      if (transceiver.recvEncodingParameters.length) {
+        params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;
+      }
+      transceiver.rtpSender.send(params);
+    }
+    if (recv && transceiver.rtpReceiver) {
+      // remove RTX field in Edge 14942
+      if (transceiver.kind === 'video'
+          && transceiver.recvEncodingParameters
+          && edgeVersion < 15019) {
+        transceiver.recvEncodingParameters.forEach(function(p) {
+          delete p.rtx;
+        });
+      }
+      params.encodings = transceiver.recvEncodingParameters;
+      params.rtcp = {
+        cname: transceiver.rtcpParameters.cname,
+        compound: transceiver.rtcpParameters.compound
+      };
+      if (transceiver.sendEncodingParameters.length) {
+        params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;
+      }
+      transceiver.rtpReceiver.receive(params);
+    }
+  };
+
+  RTCPeerConnection.prototype.setLocalDescription = function(description) {
+    var self = this;
+
+    if (!isActionAllowedInSignalingState('setLocalDescription',
+        description.type, this.signalingState)) {
+      var e = new Error('Can not set local ' + description.type +
+          ' in state ' + this.signalingState);
+      e.name = 'InvalidStateError';
+      if (arguments.length > 2 && typeof arguments[2] === 'function') {
+        window.setTimeout(arguments[2], 0, e);
+      }
+      return Promise.reject(e);
+    }
+
+    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 = SDPUtils.isRejected(mediaSection);
+
+        if (!rejected && !transceiver.isDatachannel) {
+          var remoteIceParameters = SDPUtils.getIceParameters(
+              mediaSection, sessionpart);
+          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 = 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._emitGatheringStateChange();
+        }
+        self._emitBufferedCandidates();
+      }, 0);
+    }
+    var p = Promise.resolve();
+    p.then(function() {
+      if (!hasCallback) {
+        if (self.iceGatheringState === 'new') {
+          self.iceGatheringState = 'gathering';
+          self._emitGatheringStateChange();
+        }
+        // Usually candidates will be emitted earlier.
+        window.setTimeout(self._emitBufferedCandidates.bind(self), 500);
+      }
+    });
+    return p;
+  };
+
+  RTCPeerConnection.prototype.setRemoteDescription = function(description) {
+    var self = this;
+
+    if (!isActionAllowedInSignalingState('setRemoteDescription',
+        description.type, this.signalingState)) {
+      var e = new Error('Can not set remote ' + description.type +
+          ' in state ' + this.signalingState);
+      e.name = 'InvalidStateError';
+      if (arguments.length > 2 && typeof arguments[2] === 'function') {
+        window.setTimeout(arguments[2], 0, e);
+      }
+      return Promise.reject(e);
+    }
+
+    var streams = {};
+    var receiverList = [];
+    var sections = SDPUtils.splitSections(description.sdp);
+    var sessionpart = sections.shift();
+    var isIceLite = SDPUtils.matchPrefix(sessionpart,
+        'a=ice-lite').length > 0;
+    var usingBundle = SDPUtils.matchPrefix(sessionpart,
+        'a=group:BUNDLE ').length > 0;
+    this.usingBundle = usingBundle;
+    var iceOptions = SDPUtils.matchPrefix(sessionpart,
+        'a=ice-options:')[0];
+    if (iceOptions) {
+      this.canTrickleIceCandidates = iceOptions.substr(14).split(' ')
+          .indexOf('trickle') >= 0;
+    } else {
+      this.canTrickleIceCandidates = false;
+    }
+
+    sections.forEach(function(mediaSection, sdpMLineIndex) {
+      var lines = SDPUtils.splitLines(mediaSection);
+      var kind = SDPUtils.getKind(mediaSection);
+      var rejected = SDPUtils.isRejected(mediaSection);
+      var protocol = lines[0].substr(2).split(' ')[2];
+
+      var direction = SDPUtils.getDirection(mediaSection, sessionpart);
+      var remoteMsid = SDPUtils.parseMsid(mediaSection);
+
+      var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier();
+
+      // Reject datachannels which are not implemented yet.
+      if (kind === 'application' && protocol === 'DTLS/SCTP') {
+        self.transceivers[sdpMLineIndex] = {
+          mid: mid,
+          isDatachannel: true
+        };
+        return;
+      }
+
+      var transceiver;
+      var iceGatherer;
+      var iceTransport;
+      var dtlsTransport;
+      var rtpReceiver;
+      var sendEncodingParameters;
+      var recvEncodingParameters;
+      var localCapabilities;
+
+      var track;
+      // FIXME: ensure the mediaSection has rtcp-mux set.
+      var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);
+      var remoteIceParameters;
+      var remoteDtlsParameters;
+      if (!rejected) {
+        remoteIceParameters = SDPUtils.getIceParameters(mediaSection,
+            sessionpart);
+        remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection,
+            sessionpart);
+        remoteDtlsParameters.role = 'client';
+      }
+      recvEncodingParameters =
+          SDPUtils.parseRtpEncodingParameters(mediaSection);
+
+      var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);
+
+      var isComplete = SDPUtils.matchPrefix(mediaSection,
+          'a=end-of-candidates', sessionpart).length > 0;
+      var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')
+          .map(function(cand) {
+            return SDPUtils.parseCandidate(cand);
+          })
+          .filter(function(cand) {
+            return cand.component === '1' || cand.component === 1;
+          });
+
+      // Check if we can use BUNDLE and dispose transports.
+      if ((description.type === 'offer' || description.type === 'answer') &&
+          !rejected && usingBundle && sdpMLineIndex > 0 &&
+          self.transceivers[sdpMLineIndex]) {
+        self._disposeIceAndDtlsTransports(sdpMLineIndex);
+        self.transceivers[sdpMLineIndex].iceGatherer =
+            self.transceivers[0].iceGatherer;
+        self.transceivers[sdpMLineIndex].iceTransport =
+            self.transceivers[0].iceTransport;
+        self.transceivers[sdpMLineIndex].dtlsTransport =
+            self.transceivers[0].dtlsTransport;
+        if (self.transceivers[sdpMLineIndex].rtpSender) {
+          self.transceivers[sdpMLineIndex].rtpSender.setTransport(
+              self.transceivers[0].dtlsTransport);
+        }
+        if (self.transceivers[sdpMLineIndex].rtpReceiver) {
+          self.transceivers[sdpMLineIndex].rtpReceiver.setTransport(
+              self.transceivers[0].dtlsTransport);
+        }
+      }
+      if (description.type === 'offer' && !rejected) {
+        transceiver = self.transceivers[sdpMLineIndex] ||
+            self._createTransceiver(kind);
+        transceiver.mid = mid;
+
+        if (!transceiver.iceGatherer) {
+          transceiver.iceGatherer = usingBundle && sdpMLineIndex > 0 ?
+              self.transceivers[0].iceGatherer :
+              self._createIceGatherer(mid, sdpMLineIndex);
+        }
+
+        if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {
+          transceiver.iceTransport.setRemoteCandidates(cands);
+        }
+
+        localCapabilities = window.RTCRtpReceiver.getCapabilities(kind);
+
+        // filter RTX until additional stuff needed for RTX is implemented
+        // in adapter.js
+        if (edgeVersion < 15019) {
+          localCapabilities.codecs = localCapabilities.codecs.filter(
+              function(codec) {
+                return codec.name !== 'rtx';
+              });
+        }
+
+        sendEncodingParameters = [{
+          ssrc: (2 * sdpMLineIndex + 2) * 1001
+        }];
+
+        if (direction === 'sendrecv' || direction === 'sendonly') {
+          rtpReceiver = new window.RTCRtpReceiver(transceiver.dtlsTransport,
+              kind);
+
+          track = rtpReceiver.track;
+          // FIXME: does not work with Plan B.
+          if (remoteMsid) {
+            if (!streams[remoteMsid.stream]) {
+              streams[remoteMsid.stream] = new window.MediaStream();
+              Object.defineProperty(streams[remoteMsid.stream], 'id', {
+                get: function() {
+                  return remoteMsid.stream;
+                }
+              });
+            }
+            Object.defineProperty(track, 'id', {
+              get: function() {
+                return remoteMsid.track;
+              }
+            });
+            streams[remoteMsid.stream].addTrack(track);
+            receiverList.push([track, rtpReceiver,
+              streams[remoteMsid.stream]]);
+          } else {
+            if (!streams.default) {
+              streams.default = new window.MediaStream();
+            }
+            streams.default.addTrack(track);
+            receiverList.push([track, rtpReceiver, streams.default]);
+          }
+        }
+
+        transceiver.localCapabilities = localCapabilities;
+        transceiver.remoteCapabilities = remoteCapabilities;
+        transceiver.rtpReceiver = rtpReceiver;
+        transceiver.rtcpParameters = rtcpParameters;
+        transceiver.sendEncodingParameters = sendEncodingParameters;
+        transceiver.recvEncodingParameters = recvEncodingParameters;
+
+        // Start the RTCRtpReceiver now. The RTPSender is started in
+        // setLocalDescription.
+        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;
+        rtpReceiver = transceiver.rtpReceiver;
+        sendEncodingParameters = transceiver.sendEncodingParameters;
+        localCapabilities = transceiver.localCapabilities;
+
+        self.transceivers[sdpMLineIndex].recvEncodingParameters =
+            recvEncodingParameters;
+        self.transceivers[sdpMLineIndex].remoteCapabilities =
+            remoteCapabilities;
+        self.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;
+
+        if ((isIceLite || isComplete) && cands.length) {
+          iceTransport.setRemoteCandidates(cands);
+        }
+        if (!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;
+          if (remoteMsid) {
+            if (!streams[remoteMsid.stream]) {
+              streams[remoteMsid.stream] = new window.MediaStream();
+            }
+            streams[remoteMsid.stream].addTrack(track);
+            receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);
+          } else {
+            if (!streams.default) {
+              streams.default = new window.MediaStream();
+            }
+            streams.default.addTrack(track);
+            receiverList.push([track, rtpReceiver, streams.default]);
+          }
+        } 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 +
+            '"');
+    }
+    Object.keys(streams).forEach(function(sid) {
+      var stream = streams[sid];
+      if (stream.getTracks().length) {
+        self.remoteStreams.push(stream);
+        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];
+          if (stream.id !== item[2].id) {
+            return;
+          }
+          var trackEvent = new Event('track');
+          trackEvent.track = track;
+          trackEvent.receiver = receiver;
+          trackEvent.streams = [stream];
+          self.dispatchEvent(trackEvent);
+          if (self.ontrack !== null) {
+            window.setTimeout(function() {
+              self.ontrack(trackEvent);
+            }, 0);
+          }
+        });
+      }
+    });
+
+    // check whether addIceCandidate({}) was called within four seconds after
+    // setRemoteDescription.
+    window.setTimeout(function() {
+      if (!(self && self.transceivers)) {
+        return;
+      }
+      self.transceivers.forEach(function(transceiver) {
+        if (transceiver.iceTransport &&
+            transceiver.iceTransport.state === 'new' &&
+            transceiver.iceTransport.getRemoteCandidates().length > 0) {
+          console.warn('Timeout for addRemoteCandidate. Consider sending ' +
+              'an end-of-candidates notification');
+          transceiver.iceTransport.addRemoteCandidate({});
+        }
+      });
+    }, 4000);
+
+    if (arguments.length > 1 && typeof arguments[1] === 'function') {
+      window.setTimeout(arguments[1], 0);
+    }
+    return Promise.resolve();
+  };
+
+  RTCPeerConnection.prototype.close = function() {
+    this.transceivers.forEach(function(transceiver) {
+      /* not yet
+      if (transceiver.iceGatherer) {
+        transceiver.iceGatherer.close();
+      }
+      */
+      if (transceiver.iceTransport) {
+        transceiver.iceTransport.stop();
+      }
+      if (transceiver.dtlsTransport) {
+        transceiver.dtlsTransport.stop();
+      }
+      if (transceiver.rtpSender) {
+        transceiver.rtpSender.stop();
+      }
+      if (transceiver.rtpReceiver) {
+        transceiver.rtpReceiver.stop();
+      }
+    });
+    // FIXME: clean up tracks, local streams, remote streams, etc
+    this._updateSignalingState('closed');
+  };
+
+  // Update the signaling state.
+  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.
+  RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() {
+    var self = this;
+    if (this.signalingState !== 'stable' || this.needNegotiation === true) {
+      return;
+    }
+    this.needNegotiation = true;
+    window.setTimeout(function() {
+      if (self.needNegotiation === false) {
+        return;
+      }
+      self.needNegotiation = false;
+      var event = new Event('negotiationneeded');
+      self.dispatchEvent(event);
+      if (self.onnegotiationneeded !== null) {
+        self.onnegotiationneeded(event);
+      }
+    }, 0);
+  };
+
+  // Update the connection state.
+  RTCPeerConnection.prototype._updateConnectionState = function() {
+    var self = this;
+    var newState;
+    var states = {
+      'new': 0,
+      closed: 0,
+      connecting: 0,
+      checking: 0,
+      connected: 0,
+      completed: 0,
+      disconnected: 0,
+      failed: 0
+    };
+    this.transceivers.forEach(function(transceiver) {
+      states[transceiver.iceTransport.state]++;
+      states[transceiver.dtlsTransport.state]++;
+    });
+    // ICETransport.completed and connected are the same for this purpose.
+    states.connected += states.completed;
+
+    newState = 'new';
+    if (states.failed > 0) {
+      newState = 'failed';
+    } else if (states.connecting > 0 || states.checking > 0) {
+      newState = 'connecting';
+    } else if (states.disconnected > 0) {
+      newState = 'disconnected';
+    } else if (states.new > 0) {
+      newState = 'new';
+    } else if (states.connected > 0 || states.completed > 0) {
+      newState = 'connected';
+    }
+
+    if (newState !== self.iceConnectionState) {
+      self.iceConnectionState = newState;
+      var event = new Event('iceconnectionstatechange');
+      this.dispatchEvent(event);
+      if (this.oniceconnectionstatechange !== null) {
+        this.oniceconnectionstatechange(event);
+      }
+    }
+  };
+
+  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 numAudioTracks = this.transceivers.filter(function(t) {
+      return t.kind === 'audio';
+    }).length;
+    var numVideoTracks = this.transceivers.filter(function(t) {
+      return t.kind === 'video';
+    }).length;
+
+    // Determine number of audio and video tracks we need to send/recv.
+    if (offerOptions) {
+      // Reject Chrome legacy constraints.
+      if (offerOptions.mandatory || offerOptions.optional) {
+        throw new TypeError(
+            'Legacy mandatory/optional constraints not supported.');
+      }
+      if (offerOptions.offerToReceiveAudio !== undefined) {
+        if (offerOptions.offerToReceiveAudio === true) {
+          numAudioTracks = 1;
+        } else if (offerOptions.offerToReceiveAudio === false) {
+          numAudioTracks = 0;
+        } else {
+          numAudioTracks = offerOptions.offerToReceiveAudio;
+        }
+      }
+      if (offerOptions.offerToReceiveVideo !== undefined) {
+        if (offerOptions.offerToReceiveVideo === true) {
+          numVideoTracks = 1;
+        } else if (offerOptions.offerToReceiveVideo === false) {
+          numVideoTracks = 0;
+        } else {
+          numVideoTracks = offerOptions.offerToReceiveVideo;
+        }
+      }
+    }
+
+    this.transceivers.forEach(function(transceiver) {
+      if (transceiver.kind === 'audio') {
+        numAudioTracks--;
+        if (numAudioTracks < 0) {
+          transceiver.wantReceive = false;
+        }
+      } else if (transceiver.kind === 'video') {
+        numVideoTracks--;
+        if (numVideoTracks < 0) {
+          transceiver.wantReceive = false;
+        }
+      }
+    });
+
+    // Create M-lines for recvonly streams.
+    while (numAudioTracks > 0 || numVideoTracks > 0) {
+      if (numAudioTracks > 0) {
+        this._createTransceiver('audio');
+        numAudioTracks--;
+      }
+      if (numVideoTracks > 0) {
+        this._createTransceiver('video');
+        numVideoTracks--;
+      }
+    }
+    // reorder tracks
+    var transceivers = sortTracks(this.transceivers);
+
+    var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId);
+    transceivers.forEach(function(transceiver, sdpMLineIndex) {
+      // For each track, create an ice gatherer, ice transport,
+      // dtls transport, potentially rtpsender and rtpreceiver.
+      var track = transceiver.track;
+      var kind = transceiver.kind;
+      var mid = SDPUtils.generateIdentifier();
+      transceiver.mid = mid;
+
+      if (!transceiver.iceGatherer) {
+        transceiver.iceGatherer = self.usingBundle && sdpMLineIndex > 0 ?
+            transceivers[0].iceGatherer :
+            self._createIceGatherer(mid, sdpMLineIndex);
+      }
+
+      var localCapabilities = window.RTCRtpSender.getCapabilities(kind);
+      // filter RTX until additional stuff needed for RTX is implemented
+      // in adapter.js
+      if (edgeVersion < 15019) {
+        localCapabilities.codecs = localCapabilities.codecs.filter(
+            function(codec) {
+              return codec.name !== 'rtx';
+            });
+      }
+      localCapabilities.codecs.forEach(function(codec) {
+        // work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552
+        // by adding level-asymmetry-allowed=1
+        if (codec.name === 'H264' &&
+            codec.parameters['level-asymmetry-allowed'] === undefined) {
+          codec.parameters['level-asymmetry-allowed'] = '1';
+        }
+      });
+
+      // generate an ssrc now, to be used later in rtpSender.send
+      var sendEncodingParameters = [{
+        ssrc: (2 * sdpMLineIndex + 1) * 1001
+      }];
+      if (track) {
+        // add RTX
+        if (edgeVersion >= 15019 && kind === 'video') {
+          sendEncodingParameters[0].rtx = {
+            ssrc: (2 * sdpMLineIndex + 1) * 1001 + 1
+          };
+        }
+      }
+
+      if (transceiver.wantReceive) {
+        transceiver.rtpReceiver = new window.RTCRtpReceiver(
+          transceiver.dtlsTransport,
+          kind
+        );
+      }
+
+      transceiver.localCapabilities = localCapabilities;
+      transceiver.sendEncodingParameters = sendEncodingParameters;
+    });
+
+    // always offer BUNDLE and dispose on return if not supported.
+    if (this._config.bundlePolicy !== 'max-compat') {
+      sdp += 'a=group:BUNDLE ' + transceivers.map(function(t) {
+        return t.mid;
+      }).join(' ') + '\r\n';
+    }
+    sdp += 'a=ice-options:trickle\r\n';
+
+    transceivers.forEach(function(transceiver, sdpMLineIndex) {
+      sdp += SDPUtils.writeMediaSection(transceiver,
+          transceiver.localCapabilities, 'offer', transceiver.stream);
+      sdp += 'a=rtcp-rsize\r\n';
+    });
+
+    this._pendingOffer = transceivers;
+    var desc = new window.RTCSessionDescription({
+      type: 'offer',
+      sdp: sdp
+    });
+    if (arguments.length && typeof arguments[0] === 'function') {
+      window.setTimeout(arguments[0], 0, desc);
+    }
+    return Promise.resolve(desc);
+  };
+
+  RTCPeerConnection.prototype.createAnswer = function() {
+    var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId);
+    if (this.usingBundle) {
+      sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
+        return t.mid;
+      }).join(' ') + '\r\n';
+    }
+    this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
+      if (transceiver.isDatachannel) {
+        sdp += 'm=application 0 DTLS/SCTP 5000\r\n' +
+            'c=IN IP4 0.0.0.0\r\n' +
+            'a=mid:' + transceiver.mid + '\r\n';
+        return;
+      }
+
+      // FIXME: look at direction.
+      if (transceiver.stream) {
+        var localTrack;
+        if (transceiver.kind === 'audio') {
+          localTrack = transceiver.stream.getAudioTracks()[0];
+        } else if (transceiver.kind === 'video') {
+          localTrack = transceiver.stream.getVideoTracks()[0];
+        }
+        if (localTrack) {
+          // add RTX
+          if (edgeVersion >= 15019 && transceiver.kind === 'video') {
+            transceiver.sendEncodingParameters[0].rtx = {
+              ssrc: (2 * sdpMLineIndex + 2) * 1001 + 1
+            };
+          }
+        }
+      }
+
+      // Calculate intersection of capabilities.
+      var commonCapabilities = getCommonCapabilities(
+          transceiver.localCapabilities,
+          transceiver.remoteCapabilities);
+
+      var hasRtx = commonCapabilities.codecs.filter(function(c) {
+        return c.name.toLowerCase() === 'rtx';
+      }).length;
+      if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {
+        delete transceiver.sendEncodingParameters[0].rtx;
+      }
+
+      sdp += SDPUtils.writeMediaSection(transceiver, commonCapabilities,
+          'answer', transceiver.stream);
+      if (transceiver.rtcpParameters &&
+          transceiver.rtcpParameters.reducedSize) {
+        sdp += 'a=rtcp-rsize\r\n';
+      }
+    });
+
+    var desc = new window.RTCSessionDescription({
+      type: 'answer',
+      sdp: sdp
+    });
+    if (arguments.length && typeof arguments[0] === 'function') {
+      window.setTimeout(arguments[0], 0, desc);
+    }
+    return Promise.resolve(desc);
+  };
+
+  RTCPeerConnection.prototype.addIceCandidate = function(candidate) {
+    if (!candidate) {
+      for (var j = 0; j < this.transceivers.length; j++) {
+        this.transceivers[j].iceTransport.addRemoteCandidate({});
+        if (this.usingBundle) {
+          return Promise.resolve();
+        }
+      }
+    } 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 Promise.resolve();
+        }
+        // Ignore RTCP candidates, we assume RTCP-MUX.
+        if (cand.component &&
+            !(cand.component === '1' || cand.component === 1)) {
+          return Promise.resolve();
+        }
+        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();
+  };
+
+  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];
+    var fixStatsType = function(stat) {
+      return {
+        inboundrtp: 'inbound-rtp',
+        outboundrtp: 'outbound-rtp',
+        candidatepair: 'candidate-pair',
+        localcandidate: 'local-candidate',
+        remotecandidate: 'remote-candidate'
+      }[stat.type] || stat.type;
+    };
+    return new Promise(function(resolve) {
+      // shim getStats with maplike support
+      var results = new Map();
+      Promise.all(promises).then(function(res) {
+        res.forEach(function(result) {
+          Object.keys(result).forEach(function(id) {
+            result[id].type = fixStatsType(result[id]);
+            results.set(id, result[id]);
+          });
+        });
+        if (cb) {
+          window.setTimeout(cb, 0, results);
+        }
+        resolve(results);
+      });
+    });
+  };
+  return RTCPeerConnection;
+};
+
+},{"sdp":1}],9:[function(require,module,exports){
+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var utils = require('../utils');
+
+var firefoxShim = {
+  shimOnTrack: function(window) {
+    if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
+        window.RTCPeerConnection.prototype)) {
+      Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
+        get: function() {
+          return this._ontrack;
+        },
+        set: function(f) {
+          if (this._ontrack) {
+            this.removeEventListener('track', this._ontrack);
+            this.removeEventListener('addstream', this._ontrackpoly);
+          }
+          this.addEventListener('track', this._ontrack = f);
+          this.addEventListener('addstream', this._ontrackpoly = function(e) {
+            e.stream.getTracks().forEach(function(track) {
+              var event = new Event('track');
+              event.track = track;
+              event.receiver = {track: track};
+              event.streams = [e.stream];
+              this.dispatchEvent(event);
+            }.bind(this));
+          }.bind(this));
+        }
+      });
+    }
+  },
+
+  shimSourceObject: function(window) {
+    // Firefox has supported mozSrcObject since FF22, unprefixed in 42.
+    if (typeof window === 'object') {
+      if (window.HTMLMediaElement &&
+        !('srcObject' in window.HTMLMediaElement.prototype)) {
+        // Shim the srcObject property, once, when HTMLMediaElement is found.
+        Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
+          get: function() {
+            return this.mozSrcObject;
+          },
+          set: function(stream) {
+            this.mozSrcObject = stream;
+          }
+        });
+      }
+    }
+  },
+
+  shimPeerConnection: function(window) {
+    var browserDetails = utils.detectBrowser(window);
+
+    if (typeof window !== 'object' || !(window.RTCPeerConnection ||
+        window.mozRTCPeerConnection)) {
+      return; // probably media.peerconnection.enabled=false in about:config
+    }
+    // The RTCPeerConnection object.
+    if (!window.RTCPeerConnection) {
+      window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+        if (browserDetails.version < 38) {
+          // .urls is not supported in FF < 38.
+          // create RTCIceServers with a single url.
+          if (pcConfig && pcConfig.iceServers) {
+            var newIceServers = [];
+            for (var i = 0; i < pcConfig.iceServers.length; i++) {
+              var server = pcConfig.iceServers[i];
+              if (server.hasOwnProperty('urls')) {
+                for (var j = 0; j < server.urls.length; j++) {
+                  var newServer = {
+                    url: server.urls[j]
+                  };
+                  if (server.urls[j].indexOf('turn') === 0) {
+                    newServer.username = server.username;
+                    newServer.credential = server.credential;
+                  }
+                  newIceServers.push(newServer);
+                }
+              } else {
+                newIceServers.push(pcConfig.iceServers[i]);
+              }
+            }
+            pcConfig.iceServers = newIceServers;
+          }
+        }
+        return new window.mozRTCPeerConnection(pcConfig, pcConstraints);
+      };
+      window.RTCPeerConnection.prototype =
+          window.mozRTCPeerConnection.prototype;
+
+      // wrap static methods. Currently just generateCertificate.
+      if (window.mozRTCPeerConnection.generateCertificate) {
+        Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+          get: function() {
+            return window.mozRTCPeerConnection.generateCertificate;
+          }
+        });
+      }
+
+      window.RTCSessionDescription = window.mozRTCSessionDescription;
+      window.RTCIceCandidate = window.mozRTCIceCandidate;
+    }
+
+    // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
+    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
+        .forEach(function(method) {
+          var nativeMethod = window.RTCPeerConnection.prototype[method];
+          window.RTCPeerConnection.prototype[method] = function() {
+            arguments[0] = new ((method === 'addIceCandidate') ?
+                window.RTCIceCandidate :
+                window.RTCSessionDescription)(arguments[0]);
+            return nativeMethod.apply(this, arguments);
+          };
+        });
+
+    // support for addIceCandidate(null or undefined)
+    var nativeAddIceCandidate =
+        window.RTCPeerConnection.prototype.addIceCandidate;
+    window.RTCPeerConnection.prototype.addIceCandidate = function() {
+      if (!arguments[0]) {
+        if (arguments[1]) {
+          arguments[1].apply(null);
+        }
+        return Promise.resolve();
+      }
+      return nativeAddIceCandidate.apply(this, arguments);
+    };
+
+    // shim getStats with maplike support
+    var makeMapStats = function(stats) {
+      var map = new Map();
+      Object.keys(stats).forEach(function(key) {
+        map.set(key, stats[key]);
+        map[key] = stats[key];
+      });
+      return map;
+    };
+
+    var modernStatsTypes = {
+      inboundrtp: 'inbound-rtp',
+      outboundrtp: 'outbound-rtp',
+      candidatepair: 'candidate-pair',
+      localcandidate: 'local-candidate',
+      remotecandidate: 'remote-candidate'
+    };
+
+    var nativeGetStats = window.RTCPeerConnection.prototype.getStats;
+    window.RTCPeerConnection.prototype.getStats = function(
+      selector,
+      onSucc,
+      onErr
+    ) {
+      return nativeGetStats.apply(this, [selector || null])
+        .then(function(stats) {
+          if (browserDetails.version < 48) {
+            stats = makeMapStats(stats);
+          }
+          if (browserDetails.version < 53 && !onSucc) {
+            // Shim only promise getStats with spec-hyphens in type names
+            // Leave callback version alone; misc old uses of forEach before Map
+            try {
+              stats.forEach(function(stat) {
+                stat.type = modernStatsTypes[stat.type] || stat.type;
+              });
+            } catch (e) {
+              if (e.name !== 'TypeError') {
+                throw e;
+              }
+              // Avoid TypeError: "type" is read-only, in old versions. 34-43ish
+              stats.forEach(function(stat, i) {
+                stats.set(i, Object.assign({}, stat, {
+                  type: modernStatsTypes[stat.type] || stat.type
+                }));
+              });
+            }
+          }
+          return stats;
+        })
+        .then(onSucc, onErr);
+    };
+  }
+};
+
+// Expose public methods.
+module.exports = {
+  shimOnTrack: firefoxShim.shimOnTrack,
+  shimSourceObject: firefoxShim.shimSourceObject,
+  shimPeerConnection: firefoxShim.shimPeerConnection,
+  shimGetUserMedia: require('./getusermedia')
+};
+
+},{"../utils":12,"./getusermedia":10}],10:[function(require,module,exports){
+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var utils = require('../utils');
+var logging = utils.log;
+
+// Expose public methods.
+module.exports = function(window) {
+  var browserDetails = utils.detectBrowser(window);
+  var navigator = window && window.navigator;
+  var MediaStreamTrack = window && window.MediaStreamTrack;
+
+  var shimError_ = function(e) {
+    return {
+      name: {
+        InternalError: 'NotReadableError',
+        NotSupportedError: 'TypeError',
+        PermissionDeniedError: 'NotAllowedError',
+        SecurityError: 'NotAllowedError'
+      }[e.name] || e.name,
+      message: {
+        'The operation is insecure.': 'The request is not allowed by the ' +
+        'user agent or the platform in the current context.'
+      }[e.message] || e.message,
+      constraint: e.constraint,
+      toString: function() {
+        return this.name + (this.message && ': ') + this.message;
+      }
+    };
+  };
+
+  // getUserMedia constraints shim.
+  var getUserMedia_ = function(constraints, onSuccess, onError) {
+    var constraintsToFF37_ = function(c) {
+      if (typeof c !== 'object' || c.require) {
+        return c;
+      }
+      var require = [];
+      Object.keys(c).forEach(function(key) {
+        if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
+          return;
+        }
+        var r = c[key] = (typeof c[key] === 'object') ?
+            c[key] : {ideal: c[key]};
+        if (r.min !== undefined ||
+            r.max !== undefined || r.exact !== undefined) {
+          require.push(key);
+        }
+        if (r.exact !== undefined) {
+          if (typeof r.exact === 'number') {
+            r. min = r.max = r.exact;
+          } else {
+            c[key] = r.exact;
+          }
+          delete r.exact;
+        }
+        if (r.ideal !== undefined) {
+          c.advanced = c.advanced || [];
+          var oc = {};
+          if (typeof r.ideal === 'number') {
+            oc[key] = {min: r.ideal, max: r.ideal};
+          } else {
+            oc[key] = r.ideal;
+          }
+          c.advanced.push(oc);
+          delete r.ideal;
+          if (!Object.keys(r).length) {
+            delete c[key];
+          }
+        }
+      });
+      if (require.length) {
+        c.require = require;
+      }
+      return c;
+    };
+    constraints = JSON.parse(JSON.stringify(constraints));
+    if (browserDetails.version < 38) {
+      logging('spec: ' + JSON.stringify(constraints));
+      if (constraints.audio) {
+        constraints.audio = constraintsToFF37_(constraints.audio);
+      }
+      if (constraints.video) {
+        constraints.video = constraintsToFF37_(constraints.video);
+      }
+      logging('ff37: ' + JSON.stringify(constraints));
+    }
+    return navigator.mozGetUserMedia(constraints, onSuccess, function(e) {
+      onError(shimError_(e));
+    });
+  };
+
+  // Returns the result of getUserMedia as a Promise.
+  var getUserMediaPromise_ = function(constraints) {
+    return new Promise(function(resolve, reject) {
+      getUserMedia_(constraints, resolve, reject);
+    });
+  };
+
+  // Shim for mediaDevices on older versions.
+  if (!navigator.mediaDevices) {
+    navigator.mediaDevices = {getUserMedia: getUserMediaPromise_,
+      addEventListener: function() { },
+      removeEventListener: function() { }
+    };
+  }
+  navigator.mediaDevices.enumerateDevices =
+      navigator.mediaDevices.enumerateDevices || function() {
+        return new Promise(function(resolve) {
+          var infos = [
+            {kind: 'audioinput', deviceId: 'default', label: '', groupId: ''},
+            {kind: 'videoinput', deviceId: 'default', label: '', groupId: ''}
+          ];
+          resolve(infos);
+        });
+      };
+
+  if (browserDetails.version < 41) {
+    // Work around http://bugzil.la/1169665
+    var orgEnumerateDevices =
+        navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);
+    navigator.mediaDevices.enumerateDevices = function() {
+      return orgEnumerateDevices().then(undefined, function(e) {
+        if (e.name === 'NotFoundError') {
+          return [];
+        }
+        throw e;
+      });
+    };
+  }
+  if (browserDetails.version < 49) {
+    var origGetUserMedia = navigator.mediaDevices.getUserMedia.
+        bind(navigator.mediaDevices);
+    navigator.mediaDevices.getUserMedia = function(c) {
+      return origGetUserMedia(c).then(function(stream) {
+        // Work around https://bugzil.la/802326
+        if (c.audio && !stream.getAudioTracks().length ||
+            c.video && !stream.getVideoTracks().length) {
+          stream.getTracks().forEach(function(track) {
+            track.stop();
+          });
+          throw new DOMException('The object can not be found here.',
+                                 'NotFoundError');
+        }
+        return stream;
+      }, function(e) {
+        return Promise.reject(shimError_(e));
+      });
+    };
+  }
+  if (!(browserDetails.version > 55 &&
+      'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
+    var remap = function(obj, a, b) {
+      if (a in obj && !(b in obj)) {
+        obj[b] = obj[a];
+        delete obj[a];
+      }
+    };
+
+    var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.
+        bind(navigator.mediaDevices);
+    navigator.mediaDevices.getUserMedia = function(c) {
+      if (typeof c === 'object' && typeof c.audio === 'object') {
+        c = JSON.parse(JSON.stringify(c));
+        remap(c.audio, 'autoGainControl', 'mozAutoGainControl');
+        remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');
+      }
+      return nativeGetUserMedia(c);
+    };
+
+    if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
+      var nativeGetSettings = MediaStreamTrack.prototype.getSettings;
+      MediaStreamTrack.prototype.getSettings = function() {
+        var obj = nativeGetSettings.apply(this, arguments);
+        remap(obj, 'mozAutoGainControl', 'autoGainControl');
+        remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
+        return obj;
+      };
+    }
+
+    if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
+      var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;
+      MediaStreamTrack.prototype.applyConstraints = function(c) {
+        if (this.kind === 'audio' && typeof c === 'object') {
+          c = JSON.parse(JSON.stringify(c));
+          remap(c, 'autoGainControl', 'mozAutoGainControl');
+          remap(c, 'noiseSuppression', 'mozNoiseSuppression');
+        }
+        return nativeApplyConstraints.apply(this, [c]);
+      };
+    }
+  }
+  navigator.getUserMedia = function(constraints, onSuccess, onError) {
+    if (browserDetails.version < 44) {
+      return getUserMedia_(constraints, onSuccess, onError);
+    }
+    // Replace Firefox 44+'s deprecation warning with unprefixed version.
+    console.warn('navigator.getUserMedia has been replaced by ' +
+                 'navigator.mediaDevices.getUserMedia');
+    navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
+  };
+};
+
+},{"../utils":12}],11:[function(require,module,exports){
+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree.
+ */
+'use strict';
+var utils = require('../utils');
+
+var safariShim = {
+  // TODO: DrAlex, should be here, double check against LayoutTests
+
+  // TODO: once the back-end for the mac port is done, add.
+  // TODO: check for webkitGTK+
+  // shimPeerConnection: function() { },
+
+  shimLocalStreamsAPI: function(window) {
+    if (typeof window !== 'object' || !window.RTCPeerConnection) {
+      return;
+    }
+    if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {
+      window.RTCPeerConnection.prototype.getLocalStreams = function() {
+        if (!this._localStreams) {
+          this._localStreams = [];
+        }
+        return this._localStreams;
+      };
+    }
+    if (!('getStreamById' in window.RTCPeerConnection.prototype)) {
+      window.RTCPeerConnection.prototype.getStreamById = function(id) {
+        var result = null;
+        if (this._localStreams) {
+          this._localStreams.forEach(function(stream) {
+            if (stream.id === id) {
+              result = stream;
+            }
+          });
+        }
+        if (this._remoteStreams) {
+          this._remoteStreams.forEach(function(stream) {
+            if (stream.id === id) {
+              result = stream;
+            }
+          });
+        }
+        return result;
+      };
+    }
+    if (!('addStream' in window.RTCPeerConnection.prototype)) {
+      var _addTrack = window.RTCPeerConnection.prototype.addTrack;
+      window.RTCPeerConnection.prototype.addStream = function(stream) {
+        if (!this._localStreams) {
+          this._localStreams = [];
+        }
+        if (this._localStreams.indexOf(stream) === -1) {
+          this._localStreams.push(stream);
+        }
+        var self = this;
+        stream.getTracks().forEach(function(track) {
+          _addTrack.call(self, track, stream);
+        });
+      };
+
+      window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
+        if (stream) {
+          if (!this._localStreams) {
+            this._localStreams = [stream];
+          } else if (this._localStreams.indexOf(stream) === -1) {
+            this._localStreams.push(stream);
+          }
+        }
+        _addTrack.call(this, track, stream);
+      };
+    }
+    if (!('removeStream' in window.RTCPeerConnection.prototype)) {
+      window.RTCPeerConnection.prototype.removeStream = function(stream) {
+        if (!this._localStreams) {
+          this._localStreams = [];
+        }
+        var index = this._localStreams.indexOf(stream);
+        if (index === -1) {
+          return;
+        }
+        this._localStreams.splice(index, 1);
+        var self = this;
+        var tracks = stream.getTracks();
+        this.getSenders().forEach(function(sender) {
+          if (tracks.indexOf(sender.track) !== -1) {
+            self.removeTrack(sender);
+          }
+        });
+      };
+    }
+  },
+  shimRemoteStreamsAPI: function(window) {
+    if (typeof window !== 'object' || !window.RTCPeerConnection) {
+      return;
+    }
+    if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {
+      window.RTCPeerConnection.prototype.getRemoteStreams = function() {
+        return this._remoteStreams ? this._remoteStreams : [];
+      };
+    }
+    if (!('onaddstream' in window.RTCPeerConnection.prototype)) {
+      Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {
+        get: function() {
+          return this._onaddstream;
+        },
+        set: function(f) {
+          if (this._onaddstream) {
+            this.removeEventListener('addstream', this._onaddstream);
+            this.removeEventListener('track', this._onaddstreampoly);
+          }
+          this.addEventListener('addstream', this._onaddstream = f);
+          this.addEventListener('track', this._onaddstreampoly = function(e) {
+            var stream = e.streams[0];
+            if (!this._remoteStreams) {
+              this._remoteStreams = [];
+            }
+            if (this._remoteStreams.indexOf(stream) >= 0) {
+              return;
+            }
+            this._remoteStreams.push(stream);
+            var event = new Event('addstream');
+            event.stream = e.streams[0];
+            this.dispatchEvent(event);
+          }.bind(this));
+        }
+      });
+    }
+  },
+  shimCallbacksAPI: function(window) {
+    if (typeof window !== 'object' || !window.RTCPeerConnection) {
+      return;
+    }
+    var prototype = window.RTCPeerConnection.prototype;
+    var createOffer = prototype.createOffer;
+    var createAnswer = prototype.createAnswer;
+    var setLocalDescription = prototype.setLocalDescription;
+    var setRemoteDescription = prototype.setRemoteDescription;
+    var addIceCandidate = prototype.addIceCandidate;
+
+    prototype.createOffer = function(successCallback, failureCallback) {
+      var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
+      var promise = createOffer.apply(this, [options]);
+      if (!failureCallback) {
+        return promise;
+      }
+      promise.then(successCallback, failureCallback);
+      return Promise.resolve();
+    };
+
+    prototype.createAnswer = function(successCallback, failureCallback) {
+      var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
+      var promise = createAnswer.apply(this, [options]);
+      if (!failureCallback) {
+        return promise;
+      }
+      promise.then(successCallback, failureCallback);
+      return Promise.resolve();
+    };
+
+    var withCallback = function(description, successCallback, failureCallback) {
+      var promise = setLocalDescription.apply(this, [description]);
+      if (!failureCallback) {
+        return promise;
+      }
+      promise.then(successCallback, failureCallback);
+      return Promise.resolve();
+    };
+    prototype.setLocalDescription = withCallback;
+
+    withCallback = function(description, successCallback, failureCallback) {
+      var promise = setRemoteDescription.apply(this, [description]);
+      if (!failureCallback) {
+        return promise;
+      }
+      promise.then(successCallback, failureCallback);
+      return Promise.resolve();
+    };
+    prototype.setRemoteDescription = withCallback;
+
+    withCallback = function(candidate, successCallback, failureCallback) {
+      var promise = addIceCandidate.apply(this, [candidate]);
+      if (!failureCallback) {
+        return promise;
+      }
+      promise.then(successCallback, failureCallback);
+      return Promise.resolve();
+    };
+    prototype.addIceCandidate = withCallback;
+  },
+  shimGetUserMedia: function(window) {
+    var navigator = window && window.navigator;
+
+    if (!navigator.getUserMedia) {
+      if (navigator.webkitGetUserMedia) {
+        navigator.getUserMedia = navigator.webkitGetUserMedia.bind(navigator);
+      } else if (navigator.mediaDevices &&
+          navigator.mediaDevices.getUserMedia) {
+        navigator.getUserMedia = function(constraints, cb, errcb) {
+          navigator.mediaDevices.getUserMedia(constraints)
+          .then(cb, errcb);
+        }.bind(navigator);
+      }
+    }
+  },
+  shimRTCIceServerUrls: function(window) {
+    // migrate from non-spec RTCIceServer.url to RTCIceServer.urls
+    var OrigPeerConnection = window.RTCPeerConnection;
+    window.RTCPeerConnection = function(pcConfig, pcConstraints) {
+      if (pcConfig && pcConfig.iceServers) {
+        var newIceServers = [];
+        for (var i = 0; i < pcConfig.iceServers.length; i++) {
+          var server = pcConfig.iceServers[i];
+          if (!server.hasOwnProperty('urls') &&
+              server.hasOwnProperty('url')) {
+            utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
+            server = JSON.parse(JSON.stringify(server));
+            server.urls = server.url;
+            delete server.url;
+            newIceServers.push(server);
+          } else {
+            newIceServers.push(pcConfig.iceServers[i]);
+          }
+        }
+        pcConfig.iceServers = newIceServers;
+      }
+      return new OrigPeerConnection(pcConfig, pcConstraints);
+    };
+    window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
+    // wrap static methods. Currently just generateCertificate.
+    Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
+      get: function() {
+        return OrigPeerConnection.generateCertificate;
+      }
+    });
+  }
+};
+
+// Expose public methods.
+module.exports = {
+  shimCallbacksAPI: safariShim.shimCallbacksAPI,
+  shimLocalStreamsAPI: safariShim.shimLocalStreamsAPI,
+  shimRemoteStreamsAPI: safariShim.shimRemoteStreamsAPI,
+  shimGetUserMedia: safariShim.shimGetUserMedia,
+  shimRTCIceServerUrls: safariShim.shimRTCIceServerUrls
+  // TODO
+  // shimPeerConnection: safariShim.shimPeerConnection
+};
+
+},{"../utils":12}],12:[function(require,module,exports){
+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree.
+ */
+ /* eslint-env node */
+'use strict';
+
+var logDisabled_ = true;
+var deprecationWarnings_ = 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';
+  },
+
+  /**
+   * Disable or enable deprecation warnings
+   * @param {!boolean} bool set to true to disable warnings.
+   */
+  disableWarnings: function(bool) {
+    if (typeof bool !== 'boolean') {
+      return new Error('Argument type: ' + typeof bool +
+          '. Please use a boolean.');
+    }
+    deprecationWarnings_ = !bool;
+    return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');
+  },
+
+  log: function() {
+    if (typeof window === 'object') {
+      if (logDisabled_) {
+        return;
+      }
+      if (typeof console !== 'undefined' && typeof console.log === 'function') {
+        console.log.apply(console, arguments);
+      }
+    }
+  },
+
+  /**
+   * Shows a deprecation warning suggesting the modern and spec-compatible API.
+   */
+  deprecated: function(oldMethod, newMethod) {
+    if (!deprecationWarnings_) {
+      return;
+    }
+    console.warn(oldMethod + ' is deprecated, please use ' + newMethod +
+        ' instead.');
+  },
+
+  /**
+   * 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(window) {
+    var navigator = window && window.navigator;
+
+    // Returned result object.
+    var result = {};
+    result.browser = null;
+    result.version = null;
+
+    // Fail early if it's not a browser
+    if (typeof window === 'undefined' || !window.navigator) {
+      result.browser = 'Not a browser.';
+      return result;
+    }
+
+    // Firefox.
+    if (navigator.mozGetUserMedia) {
+      result.browser = 'firefox';
+      result.version = this.extractVersion(navigator.userAgent,
+          /Firefox\/(\d+)\./, 1);
+    } 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)\/(\d+)\./, 2);
+      } else { // Safari (in an unpublished version) or unknown webkit-based.
+        if (navigator.userAgent.match(/Version\/(\d+).(\d+)/)) {
+          result.browser = 'safari';
+          result.version = this.extractVersion(navigator.userAgent,
+            /AppleWebKit\/(\d+)\./, 1);
+        } else { // unknown webkit-based browser.
+          result.browser = 'Unsupported webkit-based browser ' +
+              'with GUM support but no WebRTC support.';
+          return result;
+        }
+      }
+    } else if (navigator.mediaDevices &&
+        navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) { // Edge.
+      result.browser = 'edge';
+      result.version = this.extractVersion(navigator.userAgent,
+          /Edge\/(\d+).(\d+)$/, 2);
+    } else if (navigator.mediaDevices &&
+        navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) {
+        // Safari, with webkitGetUserMedia removed.
+      result.browser = 'safari';
+      result.version = this.extractVersion(navigator.userAgent,
+          /AppleWebKit\/(\d+)\./, 1);
+    } else { // Default fallthrough: not supported.
+      result.browser = 'Not a supported browser.';
+      return result;
+    }
+
+    return result;
+  },
+
+  // shimCreateObjectURL must be called before shimSourceObject to avoid loop.
+
+  shimCreateObjectURL: function(window) {
+    var URL = window && window.URL;
+
+    if (!(typeof window === 'object' && window.HTMLMediaElement &&
+          'srcObject' in window.HTMLMediaElement.prototype)) {
+      // Only shim CreateObjectURL using srcObject if srcObject exists.
+      return undefined;
+    }
+
+    var nativeCreateObjectURL = URL.createObjectURL.bind(URL);
+    var nativeRevokeObjectURL = URL.revokeObjectURL.bind(URL);
+    var streams = new Map(), newId = 0;
+
+    URL.createObjectURL = function(stream) {
+      if ('getTracks' in stream) {
+        var url = 'polyblob:' + (++newId);
+        streams.set(url, stream);
+        utils.deprecated('URL.createObjectURL(stream)',
+            'elem.srcObject = stream');
+        return url;
+      }
+      return nativeCreateObjectURL(stream);
+    };
+    URL.revokeObjectURL = function(url) {
+      nativeRevokeObjectURL(url);
+      streams.delete(url);
+    };
+
+    var dsc = Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,
+                                              'src');
+    Object.defineProperty(window.HTMLMediaElement.prototype, 'src', {
+      get: function() {
+        return dsc.get.apply(this);
+      },
+      set: function(url) {
+        this.srcObject = streams.get(url) || null;
+        return dsc.set.apply(this, [url]);
+      }
+    });
+
+    var nativeSetAttribute = window.HTMLMediaElement.prototype.setAttribute;
+    window.HTMLMediaElement.prototype.setAttribute = function() {
+      if (arguments.length === 2 &&
+          ('' + arguments[0]).toLowerCase() === 'src') {
+        this.srcObject = streams.get(arguments[1]) || null;
+      }
+      return nativeSetAttribute.apply(this, arguments);
+    };
+  }
+};
+
+// Export.
+module.exports = {
+  log: utils.log,
+  deprecated: utils.deprecated,
+  disableLog: utils.disableLog,
+  disableWarnings: utils.disableWarnings,
+  extractVersion: utils.extractVersion,
+  shimCreateObjectURL: utils.shimCreateObjectURL,
+  detectBrowser: utils.detectBrowser.bind(utils)
+};
+
+},{}]},{},[2])(2)
+});
\ No newline at end of file
diff --git a/html5/verto/video_demo-live_canvas/js/verto-min.js b/html5/verto/video_demo-live_canvas/js/verto-min.js
index 694ac01301..db63a92e0d 100644
--- a/html5/verto/video_demo-live_canvas/js/verto-min.js
+++ b/html5/verto/video_demo-live_canvas/js/verto-min.js
@@ -22,7 +22,7 @@ function onChannelError(self,e){console.error("Channel Error",e);doCallback(self
 function onICESDP(self,sdp){self.mediaData.SDP=self.stereoHack(sdp.sdp);console.log("ICE SDP");doCallback(self,"onICESDP");}
 function onAnswerSDP(self,sdp){self.answer.SDP=self.stereoHack(sdp.sdp);console.log("ICE ANSWER SDP");doCallback(self,"onAnswerSDP",self.answer.SDP);}
 function onMessage(self,msg){console.log("Message");doCallback(self,"onICESDP",msg);}
-FSRTCattachMediaStream=function(element,stream){if(element&&element.id&&attachMediaStream){attachMediaStream(element,stream);}else{if(typeof element.srcObject!=='undefined'){element.srcObject=stream;}else if(typeof element.src!=='undefined'){element.src=URL.createObjectURL(stream);}else{console.error('Error attaching stream to element.');}}}
+FSRTCattachMediaStream=function(element,stream){if(typeof element.srcObject!=='undefined'){element.srcObject=stream;}else if(typeof element.src!=='undefined'){element.src=URL.createObjectURL(stream);}else{console.error('Error attaching stream to element.');}}
 function onRemoteStream(self,stream){if(self.options.useVideo){self.options.useVideo.style.display='block';}
 var element=self.options.useAudio;console.log("REMOTE STREAM",stream,element);FSRTCattachMediaStream(element,stream);self.options.useAudio.play();self.remoteStream=stream;}
 function onOfferSDP(self,sdp){self.mediaData.SDP=self.stereoHack(sdp.sdp);console.log("Offer SDP");doCallback(self,"onOfferSDP");}
@@ -307,4 +307,255 @@ navigator.getUserMedia({audio:(has_audio>0?true:false),video:(has_video>0?true:f
 navigator.mediaDevices.enumerateDevices().then(checkTypes).catch(handleError);};$.verto.refreshDevices=function(runtime){checkDevices(runtime);}
 $.verto.init=function(obj,runtime){if(!obj){obj={};}
 if(!obj.skipPermCheck&&!obj.skipDeviceCheck){$.FSRTC.checkPerms(function(status){checkDevices(runtime);},true,true);}else if(obj.skipPermCheck&&!obj.skipDeviceCheck){checkDevices(runtime);}else if(!obj.skipPermCheck&&obj.skipDeviceCheck){$.FSRTC.checkPerms(function(status){runtime(status);},true,true);}else{runtime(null);}}
-$.verto.genUUID=function(){return generateGUID();}})(jQuery);var AdapterJS=AdapterJS||{};AdapterJS.options=AdapterJS.options||{},AdapterJS.VERSION="0.14.1-6d236da",AdapterJS.onwebrtcready=AdapterJS.onwebrtcready||function(isUsingPlugin){},AdapterJS._onwebrtcreadies=[],AdapterJS.webRTCReady=function(baseCallback){if("function"!=typeof baseCallback)throw new Error("Callback provided is not a function");var callback=function(){"function"==typeof window.require&&"function"==typeof AdapterJS.defineMediaSourcePolyfill&&AdapterJS.defineMediaSourcePolyfill(),baseCallback(null!==AdapterJS.WebRTCPlugin.plugin)};!0===AdapterJS.onwebrtcreadyDone?callback():AdapterJS._onwebrtcreadies.push(callback)},AdapterJS.WebRTCPlugin=AdapterJS.WebRTCPlugin||{},AdapterJS.WebRTCPlugin.pluginInfo=AdapterJS.WebRTCPlugin.pluginInfo||{prefix:"Tem",plugName:"TemWebRTCPlugin",pluginId:"plugin0",type:"application/x-temwebrtcplugin",onload:"__TemWebRTCReady0",portalLink:"https://skylink.io/plugin/",downloadLink:null,companyName:"Temasys",downloadLinks:{mac:"https://bit.ly/webrtcpluginpkg",win:"https://bit.ly/webrtcpluginmsi"}},void 0!==AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks&&null!==AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks&&(navigator.platform.match(/^Mac/i)?AdapterJS.WebRTCPlugin.pluginInfo.downloadLink=AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks.mac:navigator.platform.match(/^Win/i)&&(AdapterJS.WebRTCPlugin.pluginInfo.downloadLink=AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks.win)),AdapterJS.WebRTCPlugin.TAGS={NONE:"none",AUDIO:"audio",VIDEO:"video"},AdapterJS.WebRTCPlugin.pageId=Math.random().toString(36).slice(2),AdapterJS.WebRTCPlugin.plugin=null,AdapterJS.WebRTCPlugin.setLogLevel=null,AdapterJS.WebRTCPlugin.defineWebRTCInterface=null,AdapterJS.WebRTCPlugin.isPluginInstalled=null,AdapterJS.WebRTCPlugin.pluginInjectionInterval=null,AdapterJS.WebRTCPlugin.injectPlugin=null,AdapterJS.WebRTCPlugin.PLUGIN_STATES={NONE:0,INITIALIZING:1,INJECTING:2,INJECTED:3,READY:4},AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.NONE,AdapterJS.onwebrtcreadyDone=!1,AdapterJS.WebRTCPlugin.PLUGIN_LOG_LEVELS={NONE:"NONE",ERROR:"ERROR",WARNING:"WARNING",INFO:"INFO",VERBOSE:"VERBOSE",SENSITIVE:"SENSITIVE"},AdapterJS.WebRTCPlugin.WaitForPluginReady=null,AdapterJS.WebRTCPlugin.callWhenPluginReady=null,__TemWebRTCReady0=function(){if("complete"===document.readyState)AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY,AdapterJS.maybeThroughWebRTCReady();else var timer=setInterval(function(){"complete"===document.readyState&&(clearInterval(timer),AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY,AdapterJS.maybeThroughWebRTCReady())},100)},AdapterJS.maybeThroughWebRTCReady=function(){AdapterJS.onwebrtcreadyDone||(AdapterJS.onwebrtcreadyDone=!0,AdapterJS._onwebrtcreadies.length?AdapterJS._onwebrtcreadies.forEach(function(callback){"function"==typeof callback&&callback(null!==AdapterJS.WebRTCPlugin.plugin)}):"function"==typeof AdapterJS.onwebrtcready&&AdapterJS.onwebrtcready(null!==AdapterJS.WebRTCPlugin.plugin))},AdapterJS.TEXT={PLUGIN:{REQUIRE_INSTALLATION:"This website requires you to install a WebRTC-enabling plugin to work on this browser.",NOT_SUPPORTED:"Your browser does not support WebRTC.",BUTTON:"Install Now"},REFRESH:{REQUIRE_REFRESH:"Please refresh page",BUTTON:"Refresh Page"}},AdapterJS._iceConnectionStates={starting:"starting",checking:"checking",connected:"connected",completed:"connected",done:"completed",disconnected:"disconnected",failed:"failed",closed:"closed"},AdapterJS._iceConnectionFiredStates=[],AdapterJS.isDefined=null,AdapterJS.parseWebrtcDetectedBrowser=function(){var hasMatch=null;if(window.opr&&opr.addons||window.opera||navigator.userAgent.indexOf(" OPR/")>=0)hasMatch=navigator.userAgent.match(/OPR\/(\d+)/i)||[],webrtcDetectedBrowser="opera",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=26,webrtcDetectedType="webkit",webrtcDetectedDCSupport="SCTP";else if(navigator.userAgent.match(/Bowser\/[0-9.]*/g)){hasMatch=navigator.userAgent.match(/Bowser\/[0-9.]*/g)||[];var chromiumVersion=parseInt((navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./i)||[])[2]||"0",10);webrtcDetectedBrowser="bowser",webrtcDetectedVersion=parseFloat((hasMatch[0]||"0/0").split("/")[1],10),webrtcMinimumVersion=0,webrtcDetectedType="webkit",webrtcDetectedDCSupport=chromiumVersion>30?"SCTP":"RTP"}else if(navigator.userAgent.indexOf("OPiOS")>0)hasMatch=navigator.userAgent.match(/OPiOS\/([0-9]+)\./),webrtcDetectedBrowser="opera",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=0,webrtcDetectedType=null,webrtcDetectedDCSupport=null;else if(navigator.userAgent.indexOf("CriOS")>0)hasMatch=navigator.userAgent.match(/CriOS\/([0-9]+)\./)||[],webrtcDetectedBrowser="chrome",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=0,webrtcDetectedType=null,webrtcDetectedDCSupport=null;else if(navigator.userAgent.indexOf("FxiOS")>0)hasMatch=navigator.userAgent.match(/FxiOS\/([0-9]+)\./)||[],webrtcDetectedBrowser="firefox",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=0,webrtcDetectedType=null,webrtcDetectedDCSupport=null;else if(document.documentMode)hasMatch=/\brv[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedBrowser="IE",webrtcDetectedVersion=parseInt(hasMatch[1],10),webrtcMinimumVersion=9,webrtcDetectedType="plugin",webrtcDetectedDCSupport="SCTP",webrtcDetectedVersion||(hasMatch=/\bMSIE[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10));else if(window.StyleMedia||navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))hasMatch=navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)||[],webrtcDetectedBrowser="edge",webrtcDetectedVersion=parseFloat((hasMatch[0]||"0/0").split("/")[1],10),webrtcMinimumVersion=13.10547,webrtcDetectedType="ms",webrtcDetectedDCSupport=null;else if("undefined"!=typeof InstallTrigger||navigator.userAgent.indexOf("irefox")>0)hasMatch=navigator.userAgent.match(/Firefox\/([0-9]+)\./)||[],webrtcDetectedBrowser="firefox",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=33,webrtcDetectedType="moz",webrtcDetectedDCSupport="SCTP";else if(window.chrome&&window.chrome.webstore||navigator.userAgent.indexOf("Chrom")>0)hasMatch=navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./i)||[],webrtcDetectedBrowser="chrome",webrtcDetectedVersion=parseInt(hasMatch[2]||"0",10),webrtcMinimumVersion=38,webrtcDetectedType="webkit",webrtcDetectedDCSupport=webrtcDetectedVersion>30?"SCTP":"RTP";else if(/^((?!chrome|android).)*safari/i.test(navigator.userAgent)){hasMatch=navigator.userAgent.match(/version\/(\d+)/i)||[];var isMobile=navigator.userAgent.match(/(iPhone|iPad)/gi)||[];webrtcDetectedBrowser="safari",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=7,webrtcDetectedType=0===isMobile.length?"plugin":null,webrtcDetectedDCSupport=0===isMobile.length?"SCTP":null}window.webrtcDetectedBrowser=webrtcDetectedBrowser,window.webrtcDetectedVersion=webrtcDetectedVersion,window.webrtcMinimumVersion=webrtcMinimumVersion,window.webrtcDetectedType=webrtcDetectedType,window.webrtcDetectedDCSupport=webrtcDetectedDCSupport},AdapterJS.addEvent=function(elem,evnt,func){elem.addEventListener?elem.addEventListener(evnt,func,!1):elem.attachEvent?elem.attachEvent("on"+evnt,func):elem[evnt]=func},AdapterJS.renderNotificationBar=function(message,buttonText,buttonCallback){if("complete"===document.readyState){var w=window,i=document.createElement("iframe");i.name="adapterjs-alert",i.style.position="fixed",i.style.top="-41px",i.style.left=0,i.style.right=0,i.style.width="100%",i.style.height="40px",i.style.backgroundColor="#ffffe1",i.style.border="none",i.style.borderBottom="1px solid #888888",i.style.zIndex="9999999","string"==typeof i.style.webkitTransition?i.style.webkitTransition="all .5s ease-out":"string"==typeof i.style.transition&&(i.style.transition="all .5s ease-out"),document.body.appendChild(i);var c=i.contentWindow?i.contentWindow:i.contentDocument.document?i.contentDocument.document:i.contentDocument;c.document.open(),c.document.write('<span style="display: inline-block; font-family: Helvetica, Arial,sans-serif; font-size: .9rem; padding: 4px; vertical-align: middle; cursor: default;">'+message+"</span>"),buttonText&&"function"==typeof buttonCallback?(c.document.write('<button id="okay">'+buttonText+'</button><button id="cancel">Cancel</button>'),c.document.close(),AdapterJS.addEvent(c.document.getElementById("okay"),"click",function(e){e.preventDefault();try{e.cancelBubble=!0}catch(error){}buttonCallback(e)}),AdapterJS.addEvent(c.document.getElementById("cancel"),"click",function(e){w.document.body.removeChild(i)})):c.document.close(),setTimeout(function(){"string"==typeof i.style.webkitTransform?i.style.webkitTransform="translateY(40px)":"string"==typeof i.style.transform?i.style.transform="translateY(40px)":i.style.top="0px"},300)}},webrtcDetectedType=null,checkMediaDataChannelSettings=function(peerBrowserAgent,peerBrowserVersion,callback,constraints){if("function"==typeof callback){var beOfferer=!0,isLocalFirefox="firefox"===webrtcDetectedBrowser,isLocalFirefoxInterop="moz"===webrtcDetectedType&&webrtcDetectedVersion>30,isPeerFirefox="firefox"===peerBrowserAgent;if(isLocalFirefox&&isPeerFirefox||isLocalFirefoxInterop)try{delete constraints.mandatory.MozDontOfferDataChannel}catch(error){}else isLocalFirefox&&!isPeerFirefox&&(constraints.mandatory.MozDontOfferDataChannel=!0);if(!isLocalFirefox)for(var prop in constraints.mandatory)constraints.mandatory.hasOwnProperty(prop)&&-1!==prop.indexOf("Moz")&&delete constraints.mandatory[prop];!isLocalFirefox||isPeerFirefox||isLocalFirefoxInterop||(beOfferer=!1),callback(beOfferer,constraints)}},checkIceConnectionState=function(peerId,iceConnectionState,callback){"function"==typeof callback&&(peerId=peerId||"peer",AdapterJS._iceConnectionFiredStates[peerId]&&iceConnectionState!==AdapterJS._iceConnectionStates.disconnected&&iceConnectionState!==AdapterJS._iceConnectionStates.failed&&iceConnectionState!==AdapterJS._iceConnectionStates.closed||(AdapterJS._iceConnectionFiredStates[peerId]=[]),iceConnectionState=AdapterJS._iceConnectionStates[iceConnectionState],AdapterJS._iceConnectionFiredStates[peerId].indexOf(iceConnectionState)<0&&(AdapterJS._iceConnectionFiredStates[peerId].push(iceConnectionState),iceConnectionState===AdapterJS._iceConnectionStates.connected&&setTimeout(function(){AdapterJS._iceConnectionFiredStates[peerId].push(AdapterJS._iceConnectionStates.done),callback(AdapterJS._iceConnectionStates.done)},1e3),callback(iceConnectionState)))},createIceServer=null,createIceServers=null,RTCPeerConnection="function"==typeof RTCPeerConnection?RTCPeerConnection:null,RTCSessionDescription="function"==typeof RTCSessionDescription?RTCSessionDescription:null,RTCIceCandidate="function"==typeof RTCIceCandidate?RTCIceCandidate:null,getUserMedia=null,attachMediaStream=null,reattachMediaStream=null,webrtcDetectedBrowser=null,webrtcDetectedVersion=null,webrtcMinimumVersion=null,!(navigator.mozGetUserMedia||navigator.webkitGetUserMedia||navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))||0===(navigator.userAgent.match(/android/gi)||[]).length&&0===(navigator.userAgent.match(/chrome/gi)||[]).length&&navigator.userAgent.indexOf("Safari/")>0?("object"==typeof console&&"function"==typeof console.log||(console={}||console,console.log=function(arg){},console.info=function(arg){},console.error=function(arg){},console.dir=function(arg){},console.exception=function(arg){},console.trace=function(arg){},console.warn=function(arg){},console.count=function(arg){},console.debug=function(arg){},console.count=function(arg){},console.time=function(arg){},console.timeEnd=function(arg){},console.group=function(arg){},console.groupCollapsed=function(arg){},console.groupEnd=function(arg){}),AdapterJS.parseWebrtcDetectedBrowser(),isIE="IE"===webrtcDetectedBrowser,AdapterJS.WebRTCPlugin.WaitForPluginReady=function(){for(;AdapterJS.WebRTCPlugin.pluginState!==AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY;);},AdapterJS.WebRTCPlugin.callWhenPluginReady=function(callback){if(AdapterJS.WebRTCPlugin.pluginState===AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY)callback();else var checkPluginReadyState=setInterval(function(){AdapterJS.WebRTCPlugin.pluginState===AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY&&(clearInterval(checkPluginReadyState),callback())},100)},AdapterJS.WebRTCPlugin.setLogLevel=function(logLevel){AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.setLogLevel(logLevel)})},AdapterJS.WebRTCPlugin.injectPlugin=function(){if("complete"===document.readyState&&AdapterJS.WebRTCPlugin.pluginState===AdapterJS.WebRTCPlugin.PLUGIN_STATES.INITIALIZING){if(AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.INJECTING,"IE"===webrtcDetectedBrowser&&webrtcDetectedVersion<=10){var frag=document.createDocumentFragment();for(AdapterJS.WebRTCPlugin.plugin=document.createElement("div"),AdapterJS.WebRTCPlugin.plugin.innerHTML='<object id="'+AdapterJS.WebRTCPlugin.pluginInfo.pluginId+'" type="'+AdapterJS.WebRTCPlugin.pluginInfo.type+'" width="1" height="1"><param name="pluginId" value="'+AdapterJS.WebRTCPlugin.pluginInfo.pluginId+'" /> <param name="windowless" value="false" /> <param name="pageId" value="'+AdapterJS.WebRTCPlugin.pageId+'" /> <param name="onload" value="'+AdapterJS.WebRTCPlugin.pluginInfo.onload+'" /><param name="tag" value="'+AdapterJS.WebRTCPlugin.TAGS.NONE+'" />'+(AdapterJS.options.getAllCams?'<param name="forceGetAllCams" value="True" />':"")+"</object>";AdapterJS.WebRTCPlugin.plugin.firstChild;)frag.appendChild(AdapterJS.WebRTCPlugin.plugin.firstChild);document.body.appendChild(frag),AdapterJS.WebRTCPlugin.plugin=document.getElementById(AdapterJS.WebRTCPlugin.pluginInfo.pluginId)}else AdapterJS.WebRTCPlugin.plugin=document.createElement("object"),AdapterJS.WebRTCPlugin.plugin.id=AdapterJS.WebRTCPlugin.pluginInfo.pluginId,isIE?(AdapterJS.WebRTCPlugin.plugin.width="1px",AdapterJS.WebRTCPlugin.plugin.height="1px"):(AdapterJS.WebRTCPlugin.plugin.width="0px",AdapterJS.WebRTCPlugin.plugin.height="0px"),AdapterJS.WebRTCPlugin.plugin.type=AdapterJS.WebRTCPlugin.pluginInfo.type,AdapterJS.WebRTCPlugin.plugin.innerHTML='<param name="onload" value="'+AdapterJS.WebRTCPlugin.pluginInfo.onload+'"><param name="pluginId" value="'+AdapterJS.WebRTCPlugin.pluginInfo.pluginId+'"><param name="windowless" value="false" /> '+(AdapterJS.options.getAllCams?'<param name="forceGetAllCams" value="True" />':"")+'<param name="pageId" value="'+AdapterJS.WebRTCPlugin.pageId+'"><param name="tag" value="'+AdapterJS.WebRTCPlugin.TAGS.NONE+'" />',document.body.appendChild(AdapterJS.WebRTCPlugin.plugin);AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.INJECTED}},AdapterJS.WebRTCPlugin.isPluginInstalled=function(comName,plugName,plugType,installedCb,notInstalledCb){if(isIE){try{new ActiveXObject(comName+"."+plugName)}catch(e){return void notInstalledCb()}installedCb()}else{for(var pluginArray=navigator.mimeTypes,i=0;i<pluginArray.length;i++)if(pluginArray[i].type.indexOf(plugType)>=0)return void installedCb();notInstalledCb()}},AdapterJS.WebRTCPlugin.defineWebRTCInterface=function(){if(AdapterJS.WebRTCPlugin.pluginState!==AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY){AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.INITIALIZING,AdapterJS.isDefined=function(variable){return null!==variable&&void 0!==variable},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");return 0===urlParts[0].indexOf("stun")?iceServer={url:url,hasCredentials:!1}:0===urlParts[0].indexOf("turn")&&(iceServer={url:url,hasCredentials:!0,credential:password,username:username}),iceServer},createIceServers=function(urls,username,password){for(var iceServers=[],i=0;i<urls.length;++i)iceServers.push(createIceServer(urls[i],username,password));return iceServers},RTCSessionDescription=function(info){return AdapterJS.WebRTCPlugin.WaitForPluginReady(),AdapterJS.WebRTCPlugin.plugin.ConstructSessionDescription(info.type,info.sdp)},RTCPeerConnection=function(servers,constraints){if(void 0!==servers&&null!==servers&&!Array.isArray(servers.iceServers))throw new Error("Failed to construct 'RTCPeerConnection': Malformed RTCConfiguration");if(void 0!==constraints&&null!==constraints){var invalidConstraits=!1;if(invalidConstraits|="object"!=typeof constraints,invalidConstraits|=constraints.hasOwnProperty("mandatory")&&void 0!==constraints.mandatory&&null!==constraints.mandatory&&constraints.mandatory.constructor!==Object,invalidConstraits|=constraints.hasOwnProperty("optional")&&void 0!==constraints.optional&&null!==constraints.optional&&!Array.isArray(constraints.optional))throw new Error("Failed to construct 'RTCPeerConnection': Malformed constraints object")}AdapterJS.WebRTCPlugin.WaitForPluginReady();var iceServers=null;if(servers&&Array.isArray(servers.iceServers)){iceServers=servers.iceServers;for(var i=0;i<iceServers.length;i++)iceServers[i].urls&&!iceServers[i].url&&(iceServers[i].url=iceServers[i].urls),iceServers[i].hasCredentials=AdapterJS.isDefined(iceServers[i].username)&&AdapterJS.isDefined(iceServers[i].credential)}if(AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION&&AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION>1)return iceServers&&(servers.iceServers=iceServers),AdapterJS.WebRTCPlugin.plugin.PeerConnection(servers);var mandatory=constraints&&constraints.mandatory?constraints.mandatory:null,optional=constraints&&constraints.optional?constraints.optional:null;return AdapterJS.WebRTCPlugin.plugin.PeerConnection(AdapterJS.WebRTCPlugin.pageId,iceServers,mandatory,optional)},MediaStreamTrack=function(){},MediaStreamTrack.getSources=function(callback){AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.GetSources(callback)})};var constraintsToPlugin=function(c){if("object"!=typeof c||c.mandatory||c.optional)return c;var cc={};return Object.keys(c).forEach(function(key){if("require"!==key&&"advanced"!==key&&"mediaSource"!==key){var r="object"==typeof c[key]?c[key]:{ideal:c[key]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);var oldname=function(prefix,name){return prefix?prefix+name.charAt(0).toUpperCase()+name.slice(1):"deviceId"===name?"sourceId":name};if(void 0!==r.ideal){cc.optional=cc.optional||[];var oc={};"number"==typeof r.ideal?(oc[oldname("min",key)]=r.ideal,cc.optional.push(oc),oc={},oc[oldname("max",key)]=r.ideal,cc.optional.push(oc)):(oc[oldname("",key)]=r.ideal,cc.optional.push(oc))}void 0!==r.exact&&"number"!=typeof r.exact?(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname("",key)]=r.exact):["min","max"].forEach(function(mix){void 0!==r[mix]&&(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname(mix,key)]=r[mix])})}}),c.advanced&&(cc.optional=(cc.optional||[]).concat(c.advanced)),cc};getUserMedia=function(constraints,successCallback,failureCallback){var cc={};cc.audio=!!constraints.audio&&constraintsToPlugin(constraints.audio),cc.video=!!constraints.video&&constraintsToPlugin(constraints.video),AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.getUserMedia(cc,successCallback,failureCallback)})},window.navigator.getUserMedia=getUserMedia,navigator.mediaDevices||"undefined"==typeof Promise||(requestUserMedia=function(constraints){return new Promise(function(resolve,reject){getUserMedia(constraints,resolve,reject)})},navigator.mediaDevices={getUserMedia:requestUserMedia,enumerateDevices:function(){return new Promise(function(resolve){var kinds={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(devices){resolve(devices.map(function(device){return{label:device.label,kind:kinds[device.kind],id:device.id,deviceId:device.id,groupId:""}}))})})}}),attachMediaStream=function(element,stream){if(element&&element.parentNode){var streamId;null===stream?streamId="":(void 0!==stream.enableSoundTracks&&stream.enableSoundTracks(!0),streamId=stream.id);var elementId=0===element.id.length?Math.random().toString(36).slice(2):element.id,nodeName=element.nodeName.toLowerCase();if("object"!==nodeName){var tag;switch(nodeName){case"audio":tag=AdapterJS.WebRTCPlugin.TAGS.AUDIO;break;case"video":tag=AdapterJS.WebRTCPlugin.TAGS.VIDEO;break;default:tag=AdapterJS.WebRTCPlugin.TAGS.NONE}var frag=document.createDocumentFragment(),temp=document.createElement("div"),classHTML="";for(element.className?classHTML='class="'+element.className+'" ':element.attributes&&element.attributes.class&&(classHTML='class="'+element.attributes.class.value+'" '),temp.innerHTML='<object id="'+elementId+'" '+classHTML+'type="'+AdapterJS.WebRTCPlugin.pluginInfo.type+'"><param name="pluginId" value="'+elementId+'" /> <param name="pageId" value="'+AdapterJS.WebRTCPlugin.pageId+'" /> <param name="windowless" value="true" /> <param name="streamId" value="'+streamId+'" /> <param name="tag" value="'+tag+'" /> </object>';temp.firstChild;)frag.appendChild(temp.firstChild);var height="",width="";element.clientWidth||element.clientHeight?(width=element.clientWidth,height=element.clientHeight):(element.width||element.height)&&(width=element.width,height=element.height),element.parentNode.insertBefore(frag,element),frag=document.getElementById(elementId),frag.width=width,frag.height=height,element.parentNode.removeChild(element)}else{for(var children=element.children,i=0;i!==children.length;++i)if("streamId"===children[i].name){children[i].value=streamId;break}element.setStreamId(streamId)}var newElement=document.getElementById(elementId);return AdapterJS.forwardEventHandlers(newElement,element,Object.getPrototypeOf(element)),newElement}},reattachMediaStream=function(to,from){for(var stream=null,children=from.children,i=0;i!==children.length;++i)if("streamId"===children[i].name){AdapterJS.WebRTCPlugin.WaitForPluginReady(),stream=AdapterJS.WebRTCPlugin.plugin.getStreamWithId(AdapterJS.WebRTCPlugin.pageId,children[i].value);break}if(null!==stream)return attachMediaStream(to,stream)},window.attachMediaStream=attachMediaStream,window.reattachMediaStream=reattachMediaStream,window.getUserMedia=getUserMedia,AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,AdapterJS.forwardEventHandlers=function(destElem,srcElem,prototype){var properties=Object.getOwnPropertyNames(prototype);for(var prop in properties)if(prop){var propName=properties[prop];"function"==typeof propName.slice&&"on"===propName.slice(0,2)&&"function"==typeof srcElem[propName]&&AdapterJS.addEvent(destElem,propName.slice(2),srcElem[propName])}var subPrototype=Object.getPrototypeOf(prototype);subPrototype&&AdapterJS.forwardEventHandlers(destElem,srcElem,subPrototype)},RTCIceCandidate=function(candidate){return candidate.sdpMid||(candidate.sdpMid=""),AdapterJS.WebRTCPlugin.WaitForPluginReady(),AdapterJS.WebRTCPlugin.plugin.ConstructIceCandidate(candidate.sdpMid,candidate.sdpMLineIndex,candidate.candidate)},AdapterJS.addEvent(document,"readystatechange",AdapterJS.WebRTCPlugin.injectPlugin),AdapterJS.WebRTCPlugin.injectPlugin()}},AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb=AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb||function(){AdapterJS.addEvent(document,"readystatechange",AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv),AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv()},AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv=function(){if(!AdapterJS.options.hidePluginInstallPrompt){var downloadLink=AdapterJS.WebRTCPlugin.pluginInfo.downloadLink;if(downloadLink){var popupString;popupString=AdapterJS.WebRTCPlugin.pluginInfo.portalLink?'This website requires you to install the  <a href="'+AdapterJS.WebRTCPlugin.pluginInfo.portalLink+'" target="_blank">'+AdapterJS.WebRTCPlugin.pluginInfo.companyName+" WebRTC Plugin</a> to work on this browser.":AdapterJS.TEXT.PLUGIN.REQUIRE_INSTALLATION,AdapterJS.renderNotificationBar(popupString,AdapterJS.TEXT.PLUGIN.BUTTON,function(){window.open(downloadLink,"_top");var pluginInstallInterval=setInterval(function(){isIE||navigator.plugins.refresh(!1),AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,AdapterJS.WebRTCPlugin.pluginInfo.type,function(){clearInterval(pluginInstallInterval),AdapterJS.WebRTCPlugin.defineWebRTCInterface()},function(){})},500)})}else AdapterJS.renderNotificationBar(AdapterJS.TEXT.PLUGIN.NOT_SUPPORTED)}},AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,AdapterJS.WebRTCPlugin.pluginInfo.type,AdapterJS.WebRTCPlugin.defineWebRTCInterface,AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb)):(!function(f){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=f();else if("function"==typeof define&&define.amd)define([],f);else{var g;g="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,g.adapter=f()}}(function(){return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a="function"==typeof require&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n||e)},l,l.exports,e,t,n,r)}return n[o].exports}for(var i="function"==typeof require&&require,o=0;o<r.length;o++)s(r[o]);return s}({1:[function(requirecopy,module,exports){"use strict";var SDPUtils={};SDPUtils.generateIdentifier=function(){return Math.random().toString(36).substr(2,10)},SDPUtils.localCName=SDPUtils.generateIdentifier(),SDPUtils.splitLines=function(blob){return blob.trim().split("\n").map(function(line){return line.trim()})},SDPUtils.splitSections=function(blob){return blob.split("\nm=").map(function(part,index){return(index>0?"m="+part:part).trim()+"\r\n"})},SDPUtils.matchPrefix=function(blob,prefix){return SDPUtils.splitLines(blob).filter(function(line){return 0===line.indexOf(prefix)})},SDPUtils.parseCandidate=function(line){var parts;parts=0===line.indexOf("a=candidate:")?line.substring(12).split(" "):line.substring(10).split(" ");for(var candidate={foundation:parts[0],component:parts[1],protocol:parts[2].toLowerCase(),priority:parseInt(parts[3],10),ip:parts[4],port:parseInt(parts[5],10),type:parts[7]},i=8;i<parts.length;i+=2)switch(parts[i]){case"raddr":candidate.relatedAddress=parts[i+1];break;case"rport":candidate.relatedPort=parseInt(parts[i+1],10);break;case"tcptype":candidate.tcpType=parts[i+1]}return candidate},SDPUtils.writeCandidate=function(candidate){var sdp=[];sdp.push(candidate.foundation),sdp.push(candidate.component),sdp.push(candidate.protocol.toUpperCase()),sdp.push(candidate.priority),sdp.push(candidate.ip),sdp.push(candidate.port);var type=candidate.type;return sdp.push("typ"),sdp.push(type),"host"!==type&&candidate.relatedAddress&&candidate.relatedPort&&(sdp.push("raddr"),sdp.push(candidate.relatedAddress),sdp.push("rport"),sdp.push(candidate.relatedPort)),candidate.tcpType&&"tcp"===candidate.protocol.toLowerCase()&&(sdp.push("tcptype"),sdp.push(candidate.tcpType)),"candidate:"+sdp.join(" ")},SDPUtils.parseRtpMap=function(line){var parts=line.substr(9).split(" "),parsed={payloadType:parseInt(parts.shift(),10)};return parts=parts[0].split("/"),parsed.name=parts[0],parsed.clockRate=parseInt(parts[1],10),parsed.numChannels=3===parts.length?parseInt(parts[2],10):1,parsed},SDPUtils.writeRtpMap=function(codec){var pt=codec.payloadType;return void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),"a=rtpmap:"+pt+" "+codec.name+"/"+codec.clockRate+(1!==codec.numChannels?"/"+codec.numChannels:"")+"\r\n"},SDPUtils.parseExtmap=function(line){var parts=line.substr(9).split(" ");return{id:parseInt(parts[0],10),uri:parts[1]}},SDPUtils.writeExtmap=function(headerExtension){return"a=extmap:"+(headerExtension.id||headerExtension.preferredId)+" "+headerExtension.uri+"\r\n"},SDPUtils.parseFmtp=function(line){for(var kv,parsed={},parts=line.substr(line.indexOf(" ")+1).split(";"),j=0;j<parts.length;j++)kv=parts[j].trim().split("="),parsed[kv[0].trim()]=kv[1];return parsed},SDPUtils.writeFmtp=function(codec){var line="",pt=codec.payloadType;if(void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),codec.parameters&&Object.keys(codec.parameters).length){var params=[];Object.keys(codec.parameters).forEach(function(param){params.push(param+"="+codec.parameters[param])}),line+="a=fmtp:"+pt+" "+params.join(";")+"\r\n"}return line},SDPUtils.parseRtcpFb=function(line){var parts=line.substr(line.indexOf(" ")+1).split(" ");return{type:parts.shift(),parameter:parts.join(" ")}},SDPUtils.writeRtcpFb=function(codec){var lines="",pt=codec.payloadType;return void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),codec.rtcpFeedback&&codec.rtcpFeedback.length&&codec.rtcpFeedback.forEach(function(fb){lines+="a=rtcp-fb:"+pt+" "+fb.type+(fb.parameter&&fb.parameter.length?" "+fb.parameter:"")+"\r\n"}),lines},SDPUtils.parseSsrcMedia=function(line){var sp=line.indexOf(" "),parts={ssrc:parseInt(line.substr(7,sp-7),10)},colon=line.indexOf(":",sp);return colon>-1?(parts.attribute=line.substr(sp+1,colon-sp-1),parts.value=line.substr(colon+1)):parts.attribute=line.substr(sp+1),parts},SDPUtils.getMid=function(mediaSection){var mid=SDPUtils.matchPrefix(mediaSection,"a=mid:")[0];if(mid)return mid.substr(6)},SDPUtils.getDtlsParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);lines=lines.concat(SDPUtils.splitLines(sessionpart));var fpLine=lines.filter(function(line){return 0===line.indexOf("a=fingerprint:")})[0].substr(14);return{role:"auto",fingerprints:[{algorithm:fpLine.split(" ")[0].toLowerCase(),value:fpLine.split(" ")[1]}]}},SDPUtils.writeDtlsParameters=function(params,setupType){var sdp="a=setup:"+setupType+"\r\n";return params.fingerprints.forEach(function(fp){sdp+="a=fingerprint:"+fp.algorithm+" "+fp.value+"\r\n"}),sdp},SDPUtils.getIceParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);return lines=lines.concat(SDPUtils.splitLines(sessionpart)),{usernameFragment:lines.filter(function(line){return 0===line.indexOf("a=ice-ufrag:")})[0].substr(12),password:lines.filter(function(line){return 0===line.indexOf("a=ice-pwd:")})[0].substr(10)}},SDPUtils.writeIceParameters=function(params){return"a=ice-ufrag:"+params.usernameFragment+"\r\na=ice-pwd:"+params.password+"\r\n"},SDPUtils.parseRtpParameters=function(mediaSection){for(var description={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},lines=SDPUtils.splitLines(mediaSection),mline=lines[0].split(" "),i=3;i<mline.length;i++){var pt=mline[i],rtpmapline=SDPUtils.matchPrefix(mediaSection,"a=rtpmap:"+pt+" ")[0];if(rtpmapline){var codec=SDPUtils.parseRtpMap(rtpmapline),fmtps=SDPUtils.matchPrefix(mediaSection,"a=fmtp:"+pt+" ");switch(codec.parameters=fmtps.length?SDPUtils.parseFmtp(fmtps[0]):{},codec.rtcpFeedback=SDPUtils.matchPrefix(mediaSection,"a=rtcp-fb:"+pt+" ").map(SDPUtils.parseRtcpFb),description.codecs.push(codec),codec.name.toUpperCase()){case"RED":case"ULPFEC":description.fecMechanisms.push(codec.name.toUpperCase())}}}return SDPUtils.matchPrefix(mediaSection,"a=extmap:").forEach(function(line){description.headerExtensions.push(SDPUtils.parseExtmap(line))}),description},SDPUtils.writeRtpDescription=function(kind,caps){var sdp="";sdp+="m="+kind+" ",sdp+=caps.codecs.length>0?"9":"0",sdp+=" UDP/TLS/RTP/SAVPF ",sdp+=caps.codecs.map(function(codec){return void 0!==codec.preferredPayloadType?codec.preferredPayloadType:codec.payloadType}).join(" ")+"\r\n",sdp+="c=IN IP4 0.0.0.0\r\n",sdp+="a=rtcp:9 IN IP4 0.0.0.0\r\n",caps.codecs.forEach(function(codec){sdp+=SDPUtils.writeRtpMap(codec),sdp+=SDPUtils.writeFmtp(codec),sdp+=SDPUtils.writeRtcpFb(codec)});var maxptime=0;return caps.codecs.forEach(function(codec){codec.maxptime>maxptime&&(maxptime=codec.maxptime)}),maxptime>0&&(sdp+="a=maxptime:"+maxptime+"\r\n"),sdp+="a=rtcp-mux\r\n",caps.headerExtensions.forEach(function(extension){sdp+=SDPUtils.writeExtmap(extension)}),sdp},SDPUtils.parseRtpEncodingParameters=function(mediaSection){var secondarySsrc,encodingParameters=[],description=SDPUtils.parseRtpParameters(mediaSection),hasRed=-1!==description.fecMechanisms.indexOf("RED"),hasUlpfec=-1!==description.fecMechanisms.indexOf("ULPFEC"),ssrcs=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(parts){return"cname"===parts.attribute}),primarySsrc=ssrcs.length>0&&ssrcs[0].ssrc,flows=SDPUtils.matchPrefix(mediaSection,"a=ssrc-group:FID").map(function(line){var parts=line.split(" ");return parts.shift(),parts.map(function(part){return parseInt(part,10)})});flows.length>0&&flows[0].length>1&&flows[0][0]===primarySsrc&&(secondarySsrc=flows[0][1]),description.codecs.forEach(function(codec){if("RTX"===codec.name.toUpperCase()&&codec.parameters.apt){var encParam={ssrc:primarySsrc,codecPayloadType:parseInt(codec.parameters.apt,10),rtx:{ssrc:secondarySsrc}};encodingParameters.push(encParam),hasRed&&(encParam=JSON.parse(JSON.stringify(encParam)),encParam.fec={ssrc:secondarySsrc,mechanism:hasUlpfec?"red+ulpfec":"red"},encodingParameters.push(encParam))}}),0===encodingParameters.length&&primarySsrc&&encodingParameters.push({ssrc:primarySsrc});var bandwidth=SDPUtils.matchPrefix(mediaSection,"b=");return bandwidth.length&&(0===bandwidth[0].indexOf("b=TIAS:")?bandwidth=parseInt(bandwidth[0].substr(7),10):0===bandwidth[0].indexOf("b=AS:")&&(bandwidth=parseInt(bandwidth[0].substr(5),10)),encodingParameters.forEach(function(params){params.maxBitrate=bandwidth})),encodingParameters},SDPUtils.parseRtcpParameters=function(mediaSection){var rtcpParameters={},remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return"cname"===obj.attribute})[0];remoteSsrc&&(rtcpParameters.cname=remoteSsrc.value,rtcpParameters.ssrc=remoteSsrc.ssrc);var rsize=SDPUtils.matchPrefix(mediaSection,"a=rtcp-rsize");rtcpParameters.reducedSize=rsize.length>0,rtcpParameters.compound=0===rsize.length;var mux=SDPUtils.matchPrefix(mediaSection,"a=rtcp-mux");return rtcpParameters.mux=mux.length>0,rtcpParameters},SDPUtils.parseMsid=function(mediaSection){var parts,spec=SDPUtils.matchPrefix(mediaSection,"a=msid:");if(1===spec.length)return parts=spec[0].substr(7).split(" "),{stream:parts[0],track:parts[1]};var planB=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(parts){return"msid"===parts.attribute});return planB.length>0?(parts=planB[0].value.split(" "),{stream:parts[0],track:parts[1]}):void 0},SDPUtils.writeSessionBoilerplate=function(){return"v=0\r\no=thisisadapterortc 8169639915646943137 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},SDPUtils.writeMediaSection=function(transceiver,caps,type,stream){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);if(sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters()),sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),"offer"===type?"actpass":"active"),sdp+="a=mid:"+transceiver.mid+"\r\n",transceiver.rtpSender&&transceiver.rtpReceiver?sdp+="a=sendrecv\r\n":transceiver.rtpSender?sdp+="a=sendonly\r\n":transceiver.rtpReceiver?sdp+="a=recvonly\r\n":sdp+="a=inactive\r\n",transceiver.rtpSender){var msid="msid:"+stream.id+" "+transceiver.rtpSender.track.id+"\r\n";sdp+="a="+msid,sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" "+msid,transceiver.sendEncodingParameters[0].rtx&&(sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" "+msid,sdp+="a=ssrc-group:FID "+transceiver.sendEncodingParameters[0].ssrc+" "+transceiver.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" cname:"+SDPUtils.localCName+"\r\n",transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx&&(sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" cname:"+SDPUtils.localCName+"\r\n"),sdp},SDPUtils.getDirection=function(mediaSection,sessionpart){for(var lines=SDPUtils.splitLines(mediaSection),i=0;i<lines.length;i++)switch(lines[i]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return lines[i].substr(2)}return sessionpart?SDPUtils.getDirection(sessionpart):"sendrecv"},SDPUtils.getKind=function(mediaSection){return SDPUtils.splitLines(mediaSection)[0].split(" ")[0].substr(2)},SDPUtils.isRejected=function(mediaSection){return"0"===mediaSection.split(" ",2)[1]},module.exports=SDPUtils},{}],2:[function(requirecopy,module,exports){"use strict";!function(){var logging=requirecopy("./utils").log,browserDetails=requirecopy("./utils").browserDetails;module.exports.browserDetails=browserDetails,module.exports.extractVersion=requirecopy("./utils").extractVersion,module.exports.disableLog=requirecopy("./utils").disableLog;var chromeShim=requirecopy("./chrome/chrome_shim")||null,edgeShim=requirecopy("./edge/edge_shim")||null,firefoxShim=requirecopy("./firefox/firefox_shim")||null,safariShim=requirecopy("./safari/safari_shim")||null;switch(browserDetails.browser){case"opera":case"chrome":if(!chromeShim||!chromeShim.shimPeerConnection)return void logging("Chrome shim is not included in this adapter release.");logging("adapter.js shimming chrome."),module.exports.browserShim=chromeShim,chromeShim.shimGetUserMedia(),chromeShim.shimMediaStream(),chromeShim.shimSourceObject(),chromeShim.shimPeerConnection(),chromeShim.shimOnTrack();break;case"firefox":if(!firefoxShim||!firefoxShim.shimPeerConnection)return void logging("Firefox shim is not included in this adapter release.");logging("adapter.js shimming firefox."),module.exports.browserShim=firefoxShim,firefoxShim.shimGetUserMedia(),firefoxShim.shimSourceObject(),firefoxShim.shimPeerConnection(),firefoxShim.shimOnTrack();break;case"edge":if(!edgeShim||!edgeShim.shimPeerConnection)return void logging("MS edge shim is not included in this adapter release.");logging("adapter.js shimming edge."),module.exports.browserShim=edgeShim,edgeShim.shimGetUserMedia(),edgeShim.shimPeerConnection();break;case"safari":if(!safariShim)return void logging("Safari shim is not included in this adapter release.");logging("adapter.js shimming safari."),module.exports.browserShim=safariShim,safariShim.shimGetUserMedia();break;default:logging("Unsupported browser!")}}()},{"./chrome/chrome_shim":3,"./edge/edge_shim":5,"./firefox/firefox_shim":7,"./safari/safari_shim":9,"./utils":10}],3:[function(requirecopy,module,exports){"use strict";var logging=requirecopy("../utils.js").log,browserDetails=requirecopy("../utils.js").browserDetails,chromeShim={shimMediaStream:function(){window.MediaStream=window.MediaStream||window.webkitMediaStream},shimOnTrack:function(){"object"!=typeof window||!window.RTCPeerConnection||"ontrack"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(f){var self=this;this._ontrack&&(this.removeEventListener("track",this._ontrack),this.removeEventListener("addstream",this._ontrackpoly)),this.addEventListener("track",this._ontrack=f),this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.addEventListener("addtrack",function(te){var event=new Event("track");event.track=te.track,event.receiver={track:te.track},event.streams=[e.stream],self.dispatchEvent(event)}),e.stream.getTracks().forEach(function(track){var event=new Event("track");event.track=track,event.receiver={track:track},event.streams=[e.stream],this.dispatchEvent(event)}.bind(this))}.bind(this))}})},shimSourceObject:function(){"object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this._srcObject},set:function(stream){var self=this;if(this._srcObject=stream,this.src&&URL.revokeObjectURL(this.src),!stream)return void(this.src="");this.src=URL.createObjectURL(stream),stream.addEventListener("addtrack",function(){self.src&&URL.revokeObjectURL(self.src),self.src=URL.createObjectURL(stream)}),stream.addEventListener("removetrack",function(){self.src&&URL.revokeObjectURL(self.src),self.src=URL.createObjectURL(stream)})}}))},shimPeerConnection:function(){window.RTCPeerConnection=function(pcConfig,pcConstraints){logging("PeerConnection"),pcConfig&&pcConfig.iceTransportPolicy&&(pcConfig.iceTransports=pcConfig.iceTransportPolicy);var pc=new webkitRTCPeerConnection(pcConfig,pcConstraints),origGetStats=pc.getStats.bind(pc);return pc.getStats=function(selector,successCallback,errorCallback){var self=this,args=arguments;if(arguments.length>0&&"function"==typeof selector)return origGetStats(selector,successCallback);var fixChromeStats_=function(response){var standardReport={};return response.result().forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name)}),standardReport[standardStats.id]=standardStats}),standardReport},makeMapStats=function(stats,legacyStats){var map=new Map(Object.keys(stats).map(function(key){return[key,stats[key]]}));return legacyStats=legacyStats||stats,Object.keys(legacyStats).forEach(function(key){map[key]=legacyStats[key]}),map};if(arguments.length>=2){var successCallbackWrapper_=function(response){args[1](makeMapStats(fixChromeStats_(response)))};return origGetStats.apply(this,[successCallbackWrapper_,arguments[0]])}return new Promise(function(resolve,reject){1===args.length&&"object"==typeof selector?origGetStats.apply(self,[function(response){resolve(makeMapStats(fixChromeStats_(response)))},reject]):origGetStats.apply(self,[function(response){resolve(makeMapStats(fixChromeStats_(response),response.result()))},reject])}).then(successCallback,errorCallback)},pc},window.RTCPeerConnection.prototype=webkitRTCPeerConnection.prototype,webkitRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return webkitRTCPeerConnection.generateCertificate}}),["createOffer","createAnswer"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){var self=this;if(arguments.length<1||1===arguments.length&&"object"==typeof arguments[0]){var opts=1===arguments.length?arguments[0]:void 0;return new Promise(function(resolve,reject){nativeMethod.apply(self,[resolve,reject,opts])})}return nativeMethod.apply(this,arguments)}}),browserDetails.version<51&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){var args=arguments,self=this,promise=new Promise(function(resolve,reject){nativeMethod.apply(self,[args[0],resolve,reject])});return args.length<2?promise:promise.then(function(){args[1].apply(null,[])},function(err){args.length>=3&&args[2].apply(null,[err])})}}),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){return arguments[0]=new("addIceCandidate"===method?RTCIceCandidate:RTCSessionDescription)(arguments[0]),nativeMethod.apply(this,arguments)}});var nativeAddIceCandidate=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){return null===arguments[0]?Promise.resolve():nativeAddIceCandidate.apply(this,arguments)}}};module.exports={shimMediaStream:chromeShim.shimMediaStream,shimOnTrack:chromeShim.shimOnTrack,shimSourceObject:chromeShim.shimSourceObject,shimPeerConnection:chromeShim.shimPeerConnection,shimGetUserMedia:requirecopy("./getusermedia")}},{"../utils.js":10,"./getusermedia":4}],4:[function(requirecopy,module,exports){"use strict";var logging=requirecopy("../utils.js").log;module.exports=function(){var constraintsToChrome_=function(c){if("object"!=typeof c||c.mandatory||c.optional)return c;var cc={};return Object.keys(c).forEach(function(key){if("require"!==key&&"advanced"!==key&&"mediaSource"!==key){var r="object"==typeof c[key]?c[key]:{ideal:c[key]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);var oldname_=function(prefix,name){return prefix?prefix+name.charAt(0).toUpperCase()+name.slice(1):"deviceId"===name?"sourceId":name};if(void 0!==r.ideal){cc.optional=cc.optional||[];var oc={};"number"==typeof r.ideal?(oc[oldname_("min",key)]=r.ideal,cc.optional.push(oc),oc={},oc[oldname_("max",key)]=r.ideal,cc.optional.push(oc)):(oc[oldname_("",key)]=r.ideal,cc.optional.push(oc))}void 0!==r.exact&&"number"!=typeof r.exact?(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname_("",key)]=r.exact):["min","max"].forEach(function(mix){void 0!==r[mix]&&(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname_(mix,key)]=r[mix])})}}),c.advanced&&(cc.optional=(cc.optional||[]).concat(c.advanced)),cc},shimConstraints_=function(constraints,func){if(constraints=JSON.parse(JSON.stringify(constraints)),constraints&&constraints.audio&&(constraints.audio=constraintsToChrome_(constraints.audio)),constraints&&"object"==typeof constraints.video){var face=constraints.video.facingMode;if((face=face&&("object"==typeof face?face:{ideal:face}))&&("user"===face.exact||"environment"===face.exact||"user"===face.ideal||"environment"===face.ideal)&&(!navigator.mediaDevices.getSupportedConstraints||!navigator.mediaDevices.getSupportedConstraints().facingMode)&&(delete constraints.video.facingMode,"environment"===face.exact||"environment"===face.ideal))return navigator.mediaDevices.enumerateDevices().then(function(devices){devices=devices.filter(function(d){return"videoinput"===d.kind});var back=devices.find(function(d){return-1!==d.label.toLowerCase().indexOf("back")})||devices.length&&devices[devices.length-1];return back&&(constraints.video.deviceId=face.exact?{exact:back.deviceId}:{ideal:back.deviceId}),constraints.video=constraintsToChrome_(constraints.video),logging("chrome: "+JSON.stringify(constraints)),func(constraints)});constraints.video=constraintsToChrome_(constraints.video)}return logging("chrome: "+JSON.stringify(constraints)),func(constraints)},shimError_=function(e){return{name:{PermissionDeniedError:"NotAllowedError",ConstraintNotSatisfiedError:"OverconstrainedError"}[e.name]||e.name,message:e.message,constraint:e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}},getUserMedia_=function(constraints,onSuccess,onError){shimConstraints_(constraints,function(c){navigator.webkitGetUserMedia(c,onSuccess,function(e){onError(shimError_(e))})})};navigator.getUserMedia=getUserMedia_;var getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){navigator.getUserMedia(constraints,resolve,reject)})};if(navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:getUserMediaPromise_,enumerateDevices:function(){return new Promise(function(resolve){var kinds={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(devices){resolve(devices.map(function(device){return{label:device.label,kind:kinds[device.kind],deviceId:device.id,groupId:""}}))})})}}),navigator.mediaDevices.getUserMedia){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(cs){return shimConstraints_(cs,function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e))})})}}else navigator.mediaDevices.getUserMedia=function(constraints){return getUserMediaPromise_(constraints)};void 0===navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){logging("Dummy mediaDevices.addEventListener called.")}),void 0===navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){logging("Dummy mediaDevices.removeEventListener called.")})}},{"../utils.js":10}],5:[function(requirecopy,module,exports){"use strict";var SDPUtils=requirecopy("sdp"),browserDetails=requirecopy("../utils").browserDetails,edgeShim={shimPeerConnection:function(){window.RTCIceGatherer&&(window.RTCIceCandidate||(window.RTCIceCandidate=function(args){return args}),window.RTCSessionDescription||(window.RTCSessionDescription=function(args){return args})),window.RTCPeerConnection=function(config){var self=this,_eventTarget=document.createDocumentFragment();if(["addEventListener","removeEventListener","dispatchEvent"].forEach(function(method){self[method]=_eventTarget[method].bind(_eventTarget)}),this.onicecandidate=null,this.onaddstream=null,this.ontrack=null,this.onremovestream=null,this.onsignalingstatechange=null,this.oniceconnectionstatechange=null,this.onnegotiationneeded=null,this.ondatachannel=null,this.localStreams=[],this.remoteStreams=[],this.getLocalStreams=function(){return self.localStreams},this.getRemoteStreams=function(){return self.remoteStreams},this.localDescription=new RTCSessionDescription({type:"",sdp:""}),this.remoteDescription=new RTCSessionDescription({type:"",sdp:""}),this.signalingState="stable",this.iceConnectionState="new",this.iceGatheringState="new",this.iceOptions={gatherPolicy:"all",iceServers:[]},config&&config.iceTransportPolicy)switch(config.iceTransportPolicy){case"all":case"relay":this.iceOptions.gatherPolicy=config.iceTransportPolicy;break;case"none":throw new TypeError('iceTransportPolicy "none" not supported')}if(this.usingBundle=config&&"max-bundle"===config.bundlePolicy,config&&config.iceServers){var iceServers=JSON.parse(JSON.stringify(config.iceServers));this.iceOptions.iceServers=iceServers.filter(function(server){if(server&&server.urls){var urls=server.urls;return"string"==typeof urls&&(urls=[urls]),!!(urls=urls.filter(function(url){return 0===url.indexOf("turn:")&&-1!==url.indexOf("transport=udp")&&-1===url.indexOf("turn:[")||0===url.indexOf("stun:")&&browserDetails.version>=14393})[0])}return!1})}this.transceivers=[],this._localIceCandidatesBuffer=[]},window.RTCPeerConnection.prototype._emitBufferedCandidates=function(){var self=this,sections=SDPUtils.splitSections(self.localDescription.sdp);this._localIceCandidatesBuffer.forEach(function(event){if(event.candidate&&0!==Object.keys(event.candidate).length)-1===event.candidate.candidate.indexOf("typ endOfCandidates")&&(sections[event.candidate.sdpMLineIndex+1]+="a="+event.candidate.candidate+"\r\n");else for(var j=1;j<sections.length;j++)-1===sections[j].indexOf("\r\na=end-of-candidates\r\n")&&(sections[j]+="a=end-of-candidates\r\n");if(self.localDescription.sdp=sections.join(""),self.dispatchEvent(event),null!==self.onicecandidate&&self.onicecandidate(event),!event.candidate&&"complete"!==self.iceGatheringState){self.transceivers.every(function(transceiver){return transceiver.iceGatherer&&"completed"===transceiver.iceGatherer.state})&&(self.iceGatheringState="complete")}}),this._localIceCandidatesBuffer=[]},window.RTCPeerConnection.prototype.addStream=function(stream){this.localStreams.push(stream.clone()),this._maybeFireNegotiationNeeded()},window.RTCPeerConnection.prototype.removeStream=function(stream){var idx=this.localStreams.indexOf(stream);idx>-1&&(this.localStreams.splice(idx,1),this._maybeFireNegotiationNeeded())},window.RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpSender}).map(function(transceiver){return transceiver.rtpSender})},window.RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpReceiver}).map(function(transceiver){return transceiver.rtpReceiver})},window.RTCPeerConnection.prototype._getCommonCapabilities=function(localCapabilities,remoteCapabilities){var commonCapabilities={codecs:[],headerExtensions:[],fecMechanisms:[]};return localCapabilities.codecs.forEach(function(lCodec){for(var i=0;i<remoteCapabilities.codecs.length;i++){var rCodec=remoteCapabilities.codecs[i];if(lCodec.name.toLowerCase()===rCodec.name.toLowerCase()&&lCodec.clockRate===rCodec.clockRate&&lCodec.numChannels===rCodec.numChannels){commonCapabilities.codecs.push(rCodec),rCodec.rtcpFeedback=rCodec.rtcpFeedback.filter(function(fb){for(var j=0;j<lCodec.rtcpFeedback.length;j++)if(lCodec.rtcpFeedback[j].type===fb.type&&lCodec.rtcpFeedback[j].parameter===fb.parameter)return!0;return!1});break}}}),localCapabilities.headerExtensions.forEach(function(lHeaderExtension){for(var i=0;i<remoteCapabilities.headerExtensions.length;i++){var rHeaderExtension=remoteCapabilities.headerExtensions[i];if(lHeaderExtension.uri===rHeaderExtension.uri){commonCapabilities.headerExtensions.push(rHeaderExtension);break}}}),commonCapabilities},window.RTCPeerConnection.prototype._createIceAndDtlsTransports=function(mid,sdpMLineIndex){var self=this,iceGatherer=new RTCIceGatherer(self.iceOptions),iceTransport=new RTCIceTransport(iceGatherer);iceGatherer.onlocalcandidate=function(evt){var event=new Event("icecandidate");event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate,end=!cand||0===Object.keys(cand).length;end?(void 0===iceGatherer.state&&(iceGatherer.state="completed"),event.candidate.candidate="candidate:1 1 udp 1 0.0.0.0 9 typ endOfCandidates"):(cand.component="RTCP"===iceTransport.component?2:1,event.candidate.candidate=SDPUtils.writeCandidate(cand));var sections=SDPUtils.splitSections(self.localDescription.sdp);-1===event.candidate.candidate.indexOf("typ endOfCandidates")?sections[event.candidate.sdpMLineIndex+1]+="a="+event.candidate.candidate+"\r\n":sections[event.candidate.sdpMLineIndex+1]+="a=end-of-candidates\r\n",self.localDescription.sdp=sections.join("");var complete=self.transceivers.every(function(transceiver){return transceiver.iceGatherer&&"completed"===transceiver.iceGatherer.state});switch(self.iceGatheringState){case"new":self._localIceCandidatesBuffer.push(event),end&&complete&&self._localIceCandidatesBuffer.push(new Event("icecandidate"));break;case"gathering":self._emitBufferedCandidates(),self.dispatchEvent(event),null!==self.onicecandidate&&self.onicecandidate(event),complete&&(self.dispatchEvent(new Event("icecandidate")),null!==self.onicecandidate&&self.onicecandidate(new Event("icecandidate")),self.iceGatheringState="complete")}},iceTransport.onicestatechange=function(){self._updateConnectionState()};var dtlsTransport=new RTCDtlsTransport(iceTransport);return dtlsTransport.ondtlsstatechange=function(){self._updateConnectionState()},dtlsTransport.onerror=function(){dtlsTransport.state="failed",self._updateConnectionState()},{iceGatherer:iceGatherer,iceTransport:iceTransport,dtlsTransport:dtlsTransport}},window.RTCPeerConnection.prototype._transceive=function(transceiver,send,recv){var params=this._getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);send&&transceiver.rtpSender&&(params.encodings=transceiver.sendEncodingParameters,params.rtcp={cname:SDPUtils.localCName},transceiver.recvEncodingParameters.length&&(params.rtcp.ssrc=transceiver.recvEncodingParameters[0].ssrc),transceiver.rtpSender.send(params)),recv&&transceiver.rtpReceiver&&(params.encodings=transceiver.recvEncodingParameters,params.rtcp={cname:transceiver.cname},transceiver.sendEncodingParameters.length&&(params.rtcp.ssrc=transceiver.sendEncodingParameters[0].ssrc),transceiver.rtpReceiver.receive(params))},window.RTCPeerConnection.prototype.setLocalDescription=function(description){var sections,sessionpart,self=this;if("offer"===description.type)this._pendingOffer&&(sections=SDPUtils.splitSections(description.sdp),sessionpart=sections.shift(),sections.forEach(function(mediaSection,sdpMLineIndex){var caps=SDPUtils.parseRtpParameters(mediaSection);self._pendingOffer[sdpMLineIndex].localCapabilities=caps}),this.transceivers=this._pendingOffer,delete this._pendingOffer);else if("answer"===description.type){sections=SDPUtils.splitSections(self.remoteDescription.sdp),sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,"a=ice-lite").length>0;sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver=self.transceivers[sdpMLineIndex],iceGatherer=transceiver.iceGatherer,iceTransport=transceiver.iceTransport,dtlsTransport=transceiver.dtlsTransport,localCapabilities=transceiver.localCapabilities,remoteCapabilities=transceiver.remoteCapabilities;if("0"!==mediaSection.split("\n",1)[0].split(" ",2)[1]&&!transceiver.isDatachannel){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);if(isIceLite){var cands=SDPUtils.matchPrefix(mediaSection,"a=candidate:").map(function(cand){return SDPUtils.parseCandidate(cand)}).filter(function(cand){return"1"===cand.component});cands.length&&iceTransport.setRemoteCandidates(cands)}var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);isIceLite&&(remoteDtlsParameters.role="server"),self.usingBundle&&0!==sdpMLineIndex||(iceTransport.start(iceGatherer,remoteIceParameters,isIceLite?"controlling":"controlled"),dtlsTransport.start(remoteDtlsParameters));var params=self._getCommonCapabilities(localCapabilities,remoteCapabilities);self._transceive(transceiver,params.codecs.length>0,!1)}})}switch(this.localDescription={type:description.type,sdp:description.sdp},description.type){case"offer":this._updateSignalingState("have-local-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+description.type+'"')}var hasCallback=arguments.length>1&&"function"==typeof arguments[1];if(hasCallback){var cb=arguments[1];window.setTimeout(function(){cb(),"new"===self.iceGatheringState&&(self.iceGatheringState="gathering"),self._emitBufferedCandidates()},0)}var p=Promise.resolve();return p.then(function(){hasCallback||("new"===self.iceGatheringState&&(self.iceGatheringState="gathering"),window.setTimeout(self._emitBufferedCandidates.bind(self),500))}),p},window.RTCPeerConnection.prototype.setRemoteDescription=function(description){var self=this,stream=new MediaStream,receiverList=[],sections=SDPUtils.splitSections(description.sdp),sessionpart=sections.shift(),isIceLite=SDPUtils.matchPrefix(sessionpart,"a=ice-lite").length>0;switch(this.usingBundle=SDPUtils.matchPrefix(sessionpart,"a=group:BUNDLE ").length>0,sections.forEach(function(mediaSection,sdpMLineIndex){var lines=SDPUtils.splitLines(mediaSection),mline=lines[0].substr(2).split(" "),kind=mline[0],rejected="0"===mline[1],direction=SDPUtils.getDirection(mediaSection,sessionpart),mid=SDPUtils.matchPrefix(mediaSection,"a=mid:");if(mid=mid.length?mid[0].substr(6):SDPUtils.generateIdentifier(),"application"===kind&&"DTLS/SCTP"===mline[2])return void(self.transceivers[sdpMLineIndex]={mid:mid,isDatachannel:!0});var transceiver,iceGatherer,iceTransport,dtlsTransport,rtpSender,rtpReceiver,sendEncodingParameters,recvEncodingParameters,localCapabilities,track,remoteIceParameters,remoteDtlsParameters,remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);rejected||(remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart),remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart),remoteDtlsParameters.role="client"),recvEncodingParameters=SDPUtils.parseRtpEncodingParameters(mediaSection);var cname,remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return"cname"===obj.attribute})[0];remoteSsrc&&(cname=remoteSsrc.value);var isComplete=SDPUtils.matchPrefix(mediaSection,"a=end-of-candidates",sessionpart).length>0,cands=SDPUtils.matchPrefix(mediaSection,"a=candidate:").map(function(cand){return SDPUtils.parseCandidate(cand)}).filter(function(cand){return"1"===cand.component});if("offer"!==description.type||rejected)"answer"!==description.type||rejected||(transceiver=self.transceivers[sdpMLineIndex],iceGatherer=transceiver.iceGatherer,iceTransport=transceiver.iceTransport,dtlsTransport=transceiver.dtlsTransport,rtpSender=transceiver.rtpSender,rtpReceiver=transceiver.rtpReceiver,sendEncodingParameters=transceiver.sendEncodingParameters,localCapabilities=transceiver.localCapabilities,self.transceivers[sdpMLineIndex].recvEncodingParameters=recvEncodingParameters,self.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities,self.transceivers[sdpMLineIndex].cname=cname,(isIceLite||isComplete)&&cands.length&&iceTransport.setRemoteCandidates(cands),self.usingBundle&&0!==sdpMLineIndex||(iceTransport.start(iceGatherer,remoteIceParameters,"controlling"),dtlsTransport.start(remoteDtlsParameters)),self._transceive(transceiver,"sendrecv"===direction||"recvonly"===direction,"sendrecv"===direction||"sendonly"===direction),!rtpReceiver||"sendrecv"!==direction&&"sendonly"!==direction?delete transceiver.rtpReceiver:(track=rtpReceiver.track,receiverList.push([track,rtpReceiver]),stream.addTrack(track)));else{var transports=self.usingBundle&&sdpMLineIndex>0?{iceGatherer:self.transceivers[0].iceGatherer,iceTransport:self.transceivers[0].iceTransport,dtlsTransport:self.transceivers[0].dtlsTransport}:self._createIceAndDtlsTransports(mid,sdpMLineIndex);if(isComplete&&transports.iceTransport.setRemoteCandidates(cands),localCapabilities=RTCRtpReceiver.getCapabilities(kind),sendEncodingParameters=[{ssrc:1001*(2*sdpMLineIndex+2)}],rtpReceiver=new RTCRtpReceiver(transports.dtlsTransport,kind),track=rtpReceiver.track,receiverList.push([track,rtpReceiver]),stream.addTrack(track),self.localStreams.length>0&&self.localStreams[0].getTracks().length>=sdpMLineIndex){var localTrack;"audio"===kind?localTrack=self.localStreams[0].getAudioTracks()[0]:"video"===kind&&(localTrack=self.localStreams[0].getVideoTracks()[0]),localTrack&&(rtpSender=new RTCRtpSender(localTrack,transports.dtlsTransport))}self.transceivers[sdpMLineIndex]={iceGatherer:transports.iceGatherer,iceTransport:transports.iceTransport,dtlsTransport:transports.dtlsTransport,localCapabilities:localCapabilities,remoteCapabilities:remoteCapabilities,rtpSender:rtpSender,rtpReceiver:rtpReceiver,kind:kind,mid:mid,cname:cname,sendEncodingParameters:sendEncodingParameters,recvEncodingParameters:recvEncodingParameters},self._transceive(self.transceivers[sdpMLineIndex],!1,"sendrecv"===direction||"sendonly"===direction)}}),this.remoteDescription={type:description.type,sdp:description.sdp},description.type){case"offer":this._updateSignalingState("have-remote-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+description.type+'"')}return stream.getTracks().length&&(self.remoteStreams.push(stream),window.setTimeout(function(){var event=new Event("addstream");event.stream=stream,self.dispatchEvent(event),null!==self.onaddstream&&window.setTimeout(function(){self.onaddstream(event)},0),receiverList.forEach(function(item){var track=item[0],receiver=item[1],trackEvent=new Event("track");trackEvent.track=track,trackEvent.receiver=receiver,trackEvent.streams=[stream],self.dispatchEvent(event),null!==self.ontrack&&window.setTimeout(function(){self.ontrack(trackEvent)},0)})},0)),arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},window.RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(transceiver){transceiver.iceTransport&&transceiver.iceTransport.stop(),transceiver.dtlsTransport&&transceiver.dtlsTransport.stop(),transceiver.rtpSender&&transceiver.rtpSender.stop(),transceiver.rtpReceiver&&transceiver.rtpReceiver.stop()}),this._updateSignalingState("closed")},window.RTCPeerConnection.prototype._updateSignalingState=function(newState){this.signalingState=newState;var event=new Event("signalingstatechange");this.dispatchEvent(event),null!==this.onsignalingstatechange&&this.onsignalingstatechange(event)},window.RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var event=new Event("negotiationneeded");this.dispatchEvent(event),null!==this.onnegotiationneeded&&this.onnegotiationneeded(event)},window.RTCPeerConnection.prototype._updateConnectionState=function(){var newState,self=this,states={new:0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};if(this.transceivers.forEach(function(transceiver){states[transceiver.iceTransport.state]++,states[transceiver.dtlsTransport.state]++}),states.connected+=states.completed,newState="new",states.failed>0?newState="failed":states.connecting>0||states.checking>0?newState="connecting":states.disconnected>0?newState="disconnected":states.new>0?newState="new":(states.connected>0||states.completed>0)&&(newState="connected"),newState!==self.iceConnectionState){self.iceConnectionState=newState;var event=new Event("iceconnectionstatechange");this.dispatchEvent(event),null!==this.oniceconnectionstatechange&&this.oniceconnectionstatechange(event)}},window.RTCPeerConnection.prototype.createOffer=function(){var self=this;if(this._pendingOffer)throw new Error("createOffer called while there is a pending offer.");var offerOptions;1===arguments.length&&"function"!=typeof arguments[0]?offerOptions=arguments[0]:3===arguments.length&&(offerOptions=arguments[2]);var tracks=[],numAudioTracks=0,numVideoTracks=0;if(this.localStreams.length&&(numAudioTracks=this.localStreams[0].getAudioTracks().length,numVideoTracks=this.localStreams[0].getVideoTracks().length),offerOptions){if(offerOptions.mandatory||offerOptions.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==offerOptions.offerToReceiveAudio&&(numAudioTracks=offerOptions.offerToReceiveAudio),void 0!==offerOptions.offerToReceiveVideo&&(numVideoTracks=offerOptions.offerToReceiveVideo)}for(this.localStreams.length&&this.localStreams[0].getTracks().forEach(function(track){tracks.push({kind:track.kind,track:track,wantReceive:"audio"===track.kind?numAudioTracks>0:numVideoTracks>0}),"audio"===track.kind?numAudioTracks--:"video"===track.kind&&numVideoTracks--});numAudioTracks>0||numVideoTracks>0;)numAudioTracks>0&&(tracks.push({kind:"audio",wantReceive:!0}),numAudioTracks--),numVideoTracks>0&&(tracks.push({kind:"video",wantReceive:!0}),numVideoTracks--);var sdp=SDPUtils.writeSessionBoilerplate(),transceivers=[];tracks.forEach(function(mline,sdpMLineIndex){var rtpSender,rtpReceiver,track=mline.track,kind=mline.kind,mid=SDPUtils.generateIdentifier(),transports=self.usingBundle&&sdpMLineIndex>0?{iceGatherer:transceivers[0].iceGatherer,iceTransport:transceivers[0].iceTransport,dtlsTransport:transceivers[0].dtlsTransport}:self._createIceAndDtlsTransports(mid,sdpMLineIndex),localCapabilities=RTCRtpSender.getCapabilities(kind),sendEncodingParameters=[{ssrc:1001*(2*sdpMLineIndex+1)}];track&&(rtpSender=new RTCRtpSender(track,transports.dtlsTransport)),mline.wantReceive&&(rtpReceiver=new RTCRtpReceiver(transports.dtlsTransport,kind)),transceivers[sdpMLineIndex]={iceGatherer:transports.iceGatherer,iceTransport:transports.iceTransport,dtlsTransport:transports.dtlsTransport,localCapabilities:localCapabilities,remoteCapabilities:null,rtpSender:rtpSender,rtpReceiver:rtpReceiver,kind:kind,mid:mid,sendEncodingParameters:sendEncodingParameters,recvEncodingParameters:null}}),this.usingBundle&&(sdp+="a=group:BUNDLE "+transceivers.map(function(t){return t.mid}).join(" ")+"\r\n"),tracks.forEach(function(mline,sdpMLineIndex){var transceiver=transceivers[sdpMLineIndex];sdp+=SDPUtils.writeMediaSection(transceiver,transceiver.localCapabilities,"offer",self.localStreams[0])}),this._pendingOffer=transceivers;var desc=new RTCSessionDescription({type:"offer",sdp:sdp});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,desc),Promise.resolve(desc)},window.RTCPeerConnection.prototype.createAnswer=function(){var self=this,sdp=SDPUtils.writeSessionBoilerplate();this.usingBundle&&(sdp+="a=group:BUNDLE "+this.transceivers.map(function(t){return t.mid}).join(" ")+"\r\n"),this.transceivers.forEach(function(transceiver){if(transceiver.isDatachannel)return void(sdp+="m=application 0 DTLS/SCTP 5000\r\nc=IN IP4 0.0.0.0\r\na=mid:"+transceiver.mid+"\r\n");var commonCapabilities=self._getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);sdp+=SDPUtils.writeMediaSection(transceiver,commonCapabilities,"answer",self.localStreams[0])});var desc=new RTCSessionDescription({type:"answer",sdp:sdp});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,desc),Promise.resolve(desc)},window.RTCPeerConnection.prototype.addIceCandidate=function(candidate){if(null===candidate)this.transceivers.forEach(function(transceiver){transceiver.iceTransport.addRemoteCandidate({})});else{var mLineIndex=candidate.sdpMLineIndex;if(candidate.sdpMid)for(var i=0;i<this.transceivers.length;i++)if(this.transceivers[i].mid===candidate.sdpMid){mLineIndex=i;break}var transceiver=this.transceivers[mLineIndex];if(transceiver){var cand=Object.keys(candidate.candidate).length>0?SDPUtils.parseCandidate(candidate.candidate):{};if("tcp"===cand.protocol&&(0===cand.port||9===cand.port))return;if("1"!==cand.component)return;"endOfCandidates"===cand.type&&(cand={}),transceiver.iceTransport.addRemoteCandidate(cand);var sections=SDPUtils.splitSections(this.remoteDescription.sdp);sections[mLineIndex+1]+=(cand.type?candidate.candidate.trim():"a=end-of-candidates")+"\r\n",this.remoteDescription.sdp=sections.join("")}}return arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},window.RTCPeerConnection.prototype.getStats=function(){var promises=[];this.transceivers.forEach(function(transceiver){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach(function(method){transceiver[method]&&promises.push(transceiver[method].getStats())})});var cb=arguments.length>1&&"function"==typeof arguments[1]&&arguments[1];return new Promise(function(resolve){var results=new Map;Promise.all(promises).then(function(res){res.forEach(function(result){Object.keys(result).forEach(function(id){results.set(id,result[id]),results[id]=result[id]})}),cb&&window.setTimeout(cb,0,results),resolve(results)})})}}};module.exports={shimPeerConnection:edgeShim.shimPeerConnection,shimGetUserMedia:requirecopy("./getusermedia")}},{"../utils":10,"./getusermedia":6,sdp:1}],6:[function(requirecopy,module,exports){"use strict";module.exports=function(){var shimError_=function(e){return{name:{PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name}}},origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e))})}}},{}],7:[function(requirecopy,module,exports){"use strict";var browserDetails=requirecopy("../utils").browserDetails,firefoxShim={shimOnTrack:function(){"object"!=typeof window||!window.RTCPeerConnection||"ontrack"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(f){this._ontrack&&(this.removeEventListener("track",this._ontrack),this.removeEventListener("addstream",this._ontrackpoly)),this.addEventListener("track",this._ontrack=f),this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.getTracks().forEach(function(track){var event=new Event("track");event.track=track,event.receiver={track:track},event.streams=[e.stream],this.dispatchEvent(event)}.bind(this))}.bind(this))}})},shimSourceObject:function(){"object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this.mozSrcObject},set:function(stream){this.mozSrcObject=stream}}))},shimPeerConnection:function(){if("object"==typeof window&&(window.RTCPeerConnection||window.mozRTCPeerConnection)){window.RTCPeerConnection||(window.RTCPeerConnection=function(pcConfig,pcConstraints){if(browserDetails.version<38&&pcConfig&&pcConfig.iceServers){for(var newIceServers=[],i=0;i<pcConfig.iceServers.length;i++){var server=pcConfig.iceServers[i];if(server.hasOwnProperty("urls"))for(var j=0;j<server.urls.length;j++){var newServer={url:server.urls[j]};0===server.urls[j].indexOf("turn")&&(newServer.username=server.username,newServer.credential=server.credential),newIceServers.push(newServer)}else newIceServers.push(pcConfig.iceServers[i])}pcConfig.iceServers=newIceServers}return new mozRTCPeerConnection(pcConfig,pcConstraints)},window.RTCPeerConnection.prototype=mozRTCPeerConnection.prototype,mozRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return mozRTCPeerConnection.generateCertificate}}),window.RTCSessionDescription=mozRTCSessionDescription,window.RTCIceCandidate=mozRTCIceCandidate),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){return arguments[0]=new("addIceCandidate"===method?RTCIceCandidate:RTCSessionDescription)(arguments[0]),nativeMethod.apply(this,arguments)}});var nativeAddIceCandidate=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){return null===arguments[0]?Promise.resolve():nativeAddIceCandidate.apply(this,arguments)};var makeMapStats=function(stats){var map=new Map;return Object.keys(stats).forEach(function(key){map.set(key,stats[key]),map[key]=stats[key]}),map},nativeGetStats=RTCPeerConnection.prototype.getStats;RTCPeerConnection.prototype.getStats=function(selector,onSucc,onErr){return nativeGetStats.apply(this,[selector||null]).then(function(stats){return makeMapStats(stats)}).then(onSucc,onErr)}}}};module.exports={shimOnTrack:firefoxShim.shimOnTrack,shimSourceObject:firefoxShim.shimSourceObject,shimPeerConnection:firefoxShim.shimPeerConnection,shimGetUserMedia:requirecopy("./getusermedia")}},{"../utils":10,"./getusermedia":8}],8:[function(requirecopy,module,exports){"use strict";var logging=requirecopy("../utils").log,browserDetails=requirecopy("../utils").browserDetails;module.exports=function(){var shimError_=function(e){return{name:{SecurityError:"NotAllowedError",PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:{"The operation is insecure.":"The request is not allowed by the user agent or the platform in the current context."}[e.message]||e.message,constraint:e.constraint,toString:function(){return this.name+(this.message&&": ")+this.message}}},getUserMedia_=function(constraints,onSuccess,onError){var constraintsToFF37_=function(c){if("object"!=typeof c||c.require)return c;var require=[];return Object.keys(c).forEach(function(key){if("require"!==key&&"advanced"!==key&&"mediaSource"!==key){var r=c[key]="object"==typeof c[key]?c[key]:{ideal:c[key]};if(void 0===r.min&&void 0===r.max&&void 0===r.exact||require.push(key),void 0!==r.exact&&("number"==typeof r.exact?r.min=r.max=r.exact:c[key]=r.exact,delete r.exact),void 0!==r.ideal){c.advanced=c.advanced||[];var oc={};"number"==typeof r.ideal?oc[key]={min:r.ideal,max:r.ideal}:oc[key]=r.ideal,c.advanced.push(oc),delete r.ideal,Object.keys(r).length||delete c[key]}}}),require.length&&(c.require=require),c};return constraints=JSON.parse(JSON.stringify(constraints)),browserDetails.version<38&&(logging("spec: "+JSON.stringify(constraints)),constraints.audio&&(constraints.audio=constraintsToFF37_(constraints.audio)),constraints.video&&(constraints.video=constraintsToFF37_(constraints.video)),logging("ff37: "+JSON.stringify(constraints))),navigator.mozGetUserMedia(constraints,onSuccess,function(e){onError(shimError_(e))})},getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){getUserMedia_(constraints,resolve,reject)})};if(navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:getUserMediaPromise_,addEventListener:function(){},removeEventListener:function(){}}),navigator.mediaDevices.enumerateDevices=navigator.mediaDevices.enumerateDevices||function(){return new Promise(function(resolve){resolve([{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}])})},browserDetails.version<41){var orgEnumerateDevices=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return orgEnumerateDevices().then(void 0,function(e){if("NotFoundError"===e.name)return[];throw e})}}if(browserDetails.version<49){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e))})}}navigator.getUserMedia=function(constraints,onSuccess,onError){if(browserDetails.version<44)return getUserMedia_(constraints,onSuccess,onError);navigator.mediaDevices.getUserMedia(constraints).then(onSuccess,onError)}}},{"../utils":10}],9:[function(requirecopy,module,exports){"use strict";var safariShim={shimGetUserMedia:function(){navigator.getUserMedia=navigator.webkitGetUserMedia}};module.exports={shimGetUserMedia:safariShim.shimGetUserMedia}},{}],10:[function(requirecopy,module,exports){"use strict";var logDisabled_=!0,utils={disableLog:function(bool){return"boolean"!=typeof bool?new Error("Argument type: "+typeof bool+". Please use a boolean."):(logDisabled_=bool,bool?"adapter.js logging disabled":"adapter.js logging enabled")},log:function(){if("object"==typeof window){if(logDisabled_)return;"undefined"!=typeof console&&console.log}},extractVersion:function(uastring,expr,pos){var match=uastring.match(expr);return match&&match.length>=pos&&parseInt(match[pos],10)},detectBrowser:function(){var result={};if(result.browser=null,result.version=null,"undefined"==typeof window||!window.navigator)return result.browser="Not a browser.",result;if(navigator.mozGetUserMedia)result.browser="firefox",result.version=this.extractVersion(navigator.userAgent,/Firefox\/([0-9]+)\./,1);else if(navigator.webkitGetUserMedia)if(window.webkitRTCPeerConnection)result.browser="chrome",result.version=this.extractVersion(navigator.userAgent,/Chrom(e|ium)\/([0-9]+)\./,2);else{if(!navigator.userAgent.match(/Version\/(\d+).(\d+)/))return result.browser="Unsupported webkit-based browser with GUM support but no WebRTC support.",result;result.browser="safari",result.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/([0-9]+)\./,1)}else{if(!navigator.mediaDevices||!navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))return result.browser="Not a supported browser.",result;result.browser="edge",result.version=this.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2)}return result}};module.exports={log:utils.log,disableLog:utils.disableLog,browserDetails:utils.detectBrowser(),extractVersion:utils.extractVersion}},{}]},{},[2])(2)}),AdapterJS.parseWebrtcDetectedBrowser(),navigator.mozGetUserMedia?(MediaStreamTrack.getSources=function(successCb){setTimeout(function(){successCb([{kind:"audio",id:"default",label:"",facing:""},{kind:"video",id:"default",label:"",facing:""}])},0)},attachMediaStream=function(element,stream){return element.srcObject=stream,element},reattachMediaStream=function(to,from){return to.srcObject=from.srcObject,to},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");if(0===urlParts[0].indexOf("stun"))iceServer={urls:[url]};else if(0===urlParts[0].indexOf("turn"))if(webrtcDetectedVersion<27){var turnUrlParts=url.split("?");1!==turnUrlParts.length&&0!==turnUrlParts[1].indexOf("transport=udp")||(iceServer={urls:[turnUrlParts[0]],credential:password,username:username})}else iceServer={urls:[url],credential:password,username:username};return iceServer},createIceServers=function(urls,username,password){var iceServers=[];for(i=0;i<urls.length;i++){var iceServer=createIceServer(urls[i],username,password);null!==iceServer&&iceServers.push(iceServer)}return iceServers}):navigator.webkitGetUserMedia?(attachMediaStream=function(element,stream){return webrtcDetectedVersion>=43?element.srcObject=stream:void 0!==element.src&&(element.src=URL.createObjectURL(stream)),element},reattachMediaStream=function(to,from){return webrtcDetectedVersion>=43?to.srcObject=from.srcObject:to.src=from.src,to},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");return 0===urlParts[0].indexOf("stun")?iceServer={url:url}:0===urlParts[0].indexOf("turn")&&(iceServer={url:url,credential:password,username:username}),iceServer},createIceServers=function(urls,username,password){var iceServers=[];if(webrtcDetectedVersion>=34)iceServers={urls:urls,credential:password,username:username};else for(i=0;i<urls.length;i++){var iceServer=createIceServer(urls[i],username,password);null!==iceServer&&iceServers.push(iceServer)}return iceServers}):navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)&&(attachMediaStream=function(element,stream){return element.srcObject=stream,element},reattachMediaStream=function(to,from){return to.srcObject=from.srcObject,to}),attachMediaStream_base=attachMediaStream,"opera"===webrtcDetectedBrowser&&(attachMediaStream_base=function(element,stream){webrtcDetectedVersion>38?element.srcObject=stream:void 0!==element.src&&(element.src=URL.createObjectURL(stream))}),attachMediaStream=function(element,stream){return"chrome"!==webrtcDetectedBrowser&&"opera"!==webrtcDetectedBrowser||stream?attachMediaStream_base(element,stream):element.src="",element},reattachMediaStream_base=reattachMediaStream,reattachMediaStream=function(to,from){return reattachMediaStream_base(to,from),to},window.attachMediaStream=attachMediaStream,window.reattachMediaStream=reattachMediaStream,window.getUserMedia=function(constraints,onSuccess,onFailure){navigator.getUserMedia(constraints,onSuccess,onFailure)},AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,"undefined"==typeof Promise&&(requestUserMedia=null),AdapterJS.maybeThroughWebRTCReady()),"undefined"!=typeof exports&&(module.exports=AdapterJS),AdapterJS.TEXT.EXTENSION={REQUIRE_INSTALLATION_FF:"To enable screensharing you need to install the Skylink WebRTC tools Firefox Add-on.",REQUIRE_INSTALLATION_CHROME:"To enable screensharing you need to install the Skylink WebRTC tools Chrome Extension.",REQUIRE_REFRESH:"Please refresh this page after the Skylink WebRTC tools extension has been installed.",BUTTON_FF:"Install Now",BUTTON_CHROME:"Go to Chrome Web Store"},AdapterJS.defineMediaSourcePolyfill=function(){var baseGetUserMedia=null,clone=function(obj){if(null===obj||"object"!=typeof obj)return obj;var copy=obj.constructor();for(var attr in obj)obj.hasOwnProperty(attr)&&(copy[attr]=obj[attr]);return copy};if(window.navigator.mozGetUserMedia?(baseGetUserMedia=window.navigator.getUserMedia,navigator.getUserMedia=function(constraints,successCb,failureCb){if(constraints&&constraints.video&&constraints.video.mediaSource){if("screen"!==constraints.video.mediaSource&&"window"!==constraints.video.mediaSource)return void failureCb(new Error('GetUserMedia: Only "screen" and "window" are supported as mediaSource constraints'));var updatedConstraints=clone(constraints);updatedConstraints.video.mozMediaSource=updatedConstraints.video.mediaSource;var checkIfReady=setInterval(function(){"complete"===document.readyState&&(clearInterval(checkIfReady),baseGetUserMedia(updatedConstraints,successCb,function(error){["NotAllowedError","PermissionDeniedError","SecurityError","NotAllowedError"].indexOf(error.name)>-1&&"https:"===window.parent.location.protocol?AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION.REQUIRE_INSTALLATION_FF,AdapterJS.TEXT.EXTENSION.BUTTON_FF,function(e){window.open("https://addons.mozilla.org/en-US/firefox/addon/skylink-webrtc-tools/","_blank"),e.target&&e.target.parentElement&&e.target.nextElementSibling&&e.target.nextElementSibling.click&&e.target.nextElementSibling.click(),AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION?AdapterJS.TEXT.EXTENSION.REQUIRE_REFRESH:AdapterJS.TEXT.REFRESH.REQUIRE_REFRESH,AdapterJS.TEXT.REFRESH.BUTTON,function(){window.open("javascript:location.reload()","_top")})}):failureCb(error)}))},1)}else baseGetUserMedia(constraints,successCb,failureCb)},AdapterJS.getUserMedia=window.getUserMedia=navigator.getUserMedia):window.navigator.webkitGetUserMedia&&"safari"!==window.webrtcDetectedBrowser?(baseGetUserMedia=window.navigator.getUserMedia,navigator.getUserMedia=function(constraints,successCb,failureCb){if(constraints&&constraints.video&&constraints.video.mediaSource){if("chrome"!==window.webrtcDetectedBrowser)return void failureCb(new Error("Current browser does not support screensharing"));var updatedConstraints=clone(constraints),chromeCallback=function(error,sourceId){error?failureCb("permission-denied"===error?new Error("Permission denied for screen retrieval"):new Error("Failed retrieving selected screen")):(updatedConstraints.video.mandatory=updatedConstraints.video.mandatory||{},updatedConstraints.video.mandatory.chromeMediaSource="desktop",updatedConstraints.video.mandatory.maxWidth=window.screen.width>1920?window.screen.width:1920,updatedConstraints.video.mandatory.maxHeight=window.screen.height>1080?window.screen.height:1080,sourceId&&(updatedConstraints.video.mandatory.chromeMediaSourceId=sourceId),delete updatedConstraints.video.mediaSource,baseGetUserMedia(updatedConstraints,successCb,failureCb))},onIFrameCallback=function(event){event.data&&(event.data.chromeMediaSourceId&&("PermissionDeniedError"===event.data.chromeMediaSourceId?chromeCallback("permission-denied"):chromeCallback(null,event.data.chromeMediaSourceId)),event.data.chromeExtensionStatus&&("not-installed"===event.data.chromeExtensionStatus?AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION.REQUIRE_INSTALLATION_CHROME,AdapterJS.TEXT.EXTENSION.BUTTON_CHROME,function(e){window.open(event.data.data,"_blank"),e.target&&e.target.parentElement&&e.target.nextElementSibling&&e.target.nextElementSibling.click&&e.target.nextElementSibling.click(),AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION?AdapterJS.TEXT.EXTENSION.REQUIRE_REFRESH:AdapterJS.TEXT.REFRESH.REQUIRE_REFRESH,AdapterJS.TEXT.REFRESH.BUTTON,function(){window.open("javascript:location.reload()","_top")})}):chromeCallback(event.data.chromeExtensionStatus,null)),window.removeEventListener("message",onIFrameCallback))};window.addEventListener("message",onIFrameCallback),postFrameMessage({captureSourceId:!0})}else baseGetUserMedia(constraints,successCb,failureCb)},AdapterJS.getUserMedia=window.getUserMedia=navigator.getUserMedia,navigator.mediaDevices.getUserMedia=function(constraints){return new Promise(function(resolve,reject){window.getUserMedia(constraints,resolve,reject)})}):navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)||(baseGetUserMedia=window.navigator.getUserMedia,navigator.getUserMedia=function(constraints,successCb,failureCb){if(constraints&&constraints.video&&constraints.video.mediaSource){var updatedConstraints=clone(constraints);AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){if(!AdapterJS.WebRTCPlugin.plugin.HasScreensharingFeature||!AdapterJS.WebRTCPlugin.plugin.isScreensharingAvailable)return void failureCb(new Error("Your version of the WebRTC plugin does not support screensharing"));updatedConstraints.video.optional=updatedConstraints.video.optional||[],updatedConstraints.video.optional.push({sourceId:AdapterJS.WebRTCPlugin.plugin.screensharingKey||"Screensharing"}),delete updatedConstraints.video.mediaSource,baseGetUserMedia(updatedConstraints,successCb,failureCb)})}else baseGetUserMedia(constraints,successCb,failureCb)},AdapterJS.getUserMedia=getUserMedia=window.getUserMedia=navigator.getUserMedia,navigator.mediaDevices&&"undefined"!=typeof Promise&&(navigator.mediaDevices.getUserMedia=requestUserMedia)),"chrome"===window.webrtcDetectedBrowser){var iframe=document.createElement("iframe");iframe.onload=function(){iframe.isLoaded=!0},iframe.src="https://cdn.temasys.com.sg/skylink/extensions/detectRTC.html",iframe.style.display="none",(document.body||document.documentElement).appendChild(iframe);var postFrameMessage=function(object){if(object=object||{},!iframe.isLoaded)return void setTimeout(function(){iframe.contentWindow.postMessage(object,"*")},100);iframe.contentWindow.postMessage(object,"*")}}else window.webrtcDetectedBrowser},"function"!=typeof window.require&&AdapterJS.defineMediaSourcePolyfill();
\ No newline at end of file
+$.verto.genUUID=function(){return generateGUID();}})(jQuery);(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.adapter=f()}})(function(){var define,module,exports;return(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){'use strict';var SDPUtils={};SDPUtils.generateIdentifier=function(){return Math.random().toString(36).substr(2,10);};SDPUtils.localCName=SDPUtils.generateIdentifier();SDPUtils.splitLines=function(blob){return blob.trim().split('\n').map(function(line){return line.trim();});};SDPUtils.splitSections=function(blob){var parts=blob.split('\nm=');return parts.map(function(part,index){return(index>0?'m='+part:part).trim()+'\r\n';});};SDPUtils.matchPrefix=function(blob,prefix){return SDPUtils.splitLines(blob).filter(function(line){return line.indexOf(prefix)===0;});};SDPUtils.parseCandidate=function(line){var parts;if(line.indexOf('a=candidate:')===0){parts=line.substring(12).split(' ');}else{parts=line.substring(10).split(' ');}
+var candidate={foundation:parts[0],component:parseInt(parts[1],10),protocol:parts[2].toLowerCase(),priority:parseInt(parts[3],10),ip:parts[4],port:parseInt(parts[5],10),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:candidate[parts[i]]=parts[i+1];break;}}
+return candidate;};SDPUtils.writeCandidate=function(candidate){var sdp=[];sdp.push(candidate.foundation);sdp.push(candidate.component);sdp.push(candidate.protocol.toUpperCase());sdp.push(candidate.priority);sdp.push(candidate.ip);sdp.push(candidate.port);var type=candidate.type;sdp.push('typ');sdp.push(type);if(type!=='host'&&candidate.relatedAddress&&candidate.relatedPort){sdp.push('raddr');sdp.push(candidate.relatedAddress);sdp.push('rport');sdp.push(candidate.relatedPort);}
+if(candidate.tcpType&&candidate.protocol.toLowerCase()==='tcp'){sdp.push('tcptype');sdp.push(candidate.tcpType);}
+if(candidate.ufrag){sdp.push('ufrag');sdp.push(candidate.ufrag);}
+return'candidate:'+sdp.join(' ');};SDPUtils.parseIceOptions=function(line){return line.substr(14).split(' ');}
+SDPUtils.parseRtpMap=function(line){var parts=line.substr(9).split(' ');var parsed={payloadType:parseInt(parts.shift(),10)};parts=parts[0].split('/');parsed.name=parts[0];parsed.clockRate=parseInt(parts[1],10);parsed.numChannels=parts.length===3?parseInt(parts[2],10):1;return parsed;};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';};SDPUtils.parseExtmap=function(line){var parts=line.substr(9).split(' ');return{id:parseInt(parts[0],10),direction:parts[0].indexOf('/')>0?parts[0].split('/')[1]:'sendrecv',uri:parts[1]};};SDPUtils.writeExtmap=function(headerExtension){return'a=extmap:'+(headerExtension.id||headerExtension.preferredId)+
+(headerExtension.direction&&headerExtension.direction!=='sendrecv'?'/'+headerExtension.direction:'')+' '+headerExtension.uri+'\r\n';};SDPUtils.parseFmtp=function(line){var parsed={};var kv;var parts=line.substr(line.indexOf(' ')+1).split(';');for(var j=0;j<parts.length;j++){kv=parts[j].trim().split('=');parsed[kv[0].trim()]=kv[1];}
+return parsed;};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;};SDPUtils.parseRtcpFb=function(line){var parts=line.substr(line.indexOf(' ')+1).split(' ');return{type:parts.shift(),parameter:parts.join(' ')};};SDPUtils.writeRtcpFb=function(codec){var lines='';var pt=codec.payloadType;if(codec.preferredPayloadType!==undefined){pt=codec.preferredPayloadType;}
+if(codec.rtcpFeedback&&codec.rtcpFeedback.length){codec.rtcpFeedback.forEach(function(fb){lines+='a=rtcp-fb:'+pt+' '+fb.type+
+(fb.parameter&&fb.parameter.length?' '+fb.parameter:'')+'\r\n';});}
+return lines;};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;};SDPUtils.getMid=function(mediaSection){var mid=SDPUtils.matchPrefix(mediaSection,'a=mid:')[0];if(mid){return mid.substr(6);}}
+SDPUtils.parseFingerprint=function(line){var parts=line.substr(14).split(' ');return{algorithm:parts[0].toLowerCase(),value:parts[1]};};SDPUtils.getDtlsParameters=function(mediaSection,sessionpart){var lines=SDPUtils.matchPrefix(mediaSection+sessionpart,'a=fingerprint:');return{role:'auto',fingerprints:lines.map(SDPUtils.parseFingerprint)};};SDPUtils.writeDtlsParameters=function(params,setupType){var sdp='a=setup:'+setupType+'\r\n';params.fingerprints.forEach(function(fp){sdp+='a=fingerprint:'+fp.algorithm+' '+fp.value+'\r\n';});return sdp;};SDPUtils.getIceParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);lines=lines.concat(SDPUtils.splitLines(sessionpart));var iceParameters={usernameFragment:lines.filter(function(line){return line.indexOf('a=ice-ufrag:')===0;})[0].substr(12),password:lines.filter(function(line){return line.indexOf('a=ice-pwd:')===0;})[0].substr(10)};return iceParameters;};SDPUtils.writeIceParameters=function(params){return'a=ice-ufrag:'+params.usernameFragment+'\r\n'+'a=ice-pwd:'+params.password+'\r\n';};SDPUtils.parseRtpParameters=function(mediaSection){var description={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]};var lines=SDPUtils.splitLines(mediaSection);var mline=lines[0].split(' ');for(var i=3;i<mline.length;i++){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+' ');codec.parameters=fmtps.length?SDPUtils.parseFmtp(fmtps[0]):{};codec.rtcpFeedback=SDPUtils.matchPrefix(mediaSection,'a=rtcp-fb:'+pt+' ').map(SDPUtils.parseRtcpFb);description.codecs.push(codec);switch(codec.name.toUpperCase()){case'RED':case'ULPFEC':description.fecMechanisms.push(codec.name.toUpperCase());break;default:break;}}}
+SDPUtils.matchPrefix(mediaSection,'a=extmap:').forEach(function(line){description.headerExtensions.push(SDPUtils.parseExtmap(line));});return description;};SDPUtils.writeRtpDescription=function(kind,caps){var sdp='';sdp+='m='+kind+' ';sdp+=caps.codecs.length>0?'9':'0';sdp+=' UDP/TLS/RTP/SAVPF ';sdp+=caps.codecs.map(function(codec){if(codec.preferredPayloadType!==undefined){return codec.preferredPayloadType;}
+return codec.payloadType;}).join(' ')+'\r\n';sdp+='c=IN IP4 0.0.0.0\r\n';sdp+='a=rtcp:9 IN IP4 0.0.0.0\r\n';caps.codecs.forEach(function(codec){sdp+=SDPUtils.writeRtpMap(codec);sdp+=SDPUtils.writeFmtp(codec);sdp+=SDPUtils.writeRtcpFb(codec);});var maxptime=0;caps.codecs.forEach(function(codec){if(codec.maxptime>maxptime){maxptime=codec.maxptime;}});if(maxptime>0){sdp+='a=maxptime:'+maxptime+'\r\n';}
+sdp+='a=rtcp-mux\r\n';caps.headerExtensions.forEach(function(extension){sdp+=SDPUtils.writeExtmap(extension);});return sdp;};SDPUtils.parseRtpEncodingParameters=function(mediaSection){var encodingParameters=[];var description=SDPUtils.parseRtpParameters(mediaSection);var hasRed=description.fecMechanisms.indexOf('RED')!==-1;var hasUlpfec=description.fecMechanisms.indexOf('ULPFEC')!==-1;var ssrcs=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(parts){return parts.attribute==='cname';});var primarySsrc=ssrcs.length>0&&ssrcs[0].ssrc;var secondarySsrc;var flows=SDPUtils.matchPrefix(mediaSection,'a=ssrc-group:FID').map(function(line){var parts=line.split(' ');parts.shift();return parts.map(function(part){return parseInt(part,10);});});if(flows.length>0&&flows[0].length>1&&flows[0][0]===primarySsrc){secondarySsrc=flows[0][1];}
+description.codecs.forEach(function(codec){if(codec.name.toUpperCase()==='RTX'&&codec.parameters.apt){var encParam={ssrc:primarySsrc,codecPayloadType:parseInt(codec.parameters.apt,10),rtx:{ssrc:secondarySsrc}};encodingParameters.push(encParam);if(hasRed){encParam=JSON.parse(JSON.stringify(encParam));encParam.fec={ssrc:secondarySsrc,mechanism:hasUlpfec?'red+ulpfec':'red'};encodingParameters.push(encParam);}}});if(encodingParameters.length===0&&primarySsrc){encodingParameters.push({ssrc:primarySsrc});}
+var bandwidth=SDPUtils.matchPrefix(mediaSection,'b=');if(bandwidth.length){if(bandwidth[0].indexOf('b=TIAS:')===0){bandwidth=parseInt(bandwidth[0].substr(7),10);}else if(bandwidth[0].indexOf('b=AS:')===0){bandwidth=parseInt(bandwidth[0].substr(5),10)*1000*0.95
+-(50*40*8);}else{bandwidth=undefined;}
+encodingParameters.forEach(function(params){params.maxBitrate=bandwidth;});}
+return encodingParameters;};SDPUtils.parseRtcpParameters=function(mediaSection){var rtcpParameters={};var cname;var remoteSsrc=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(obj){return obj.attribute==='cname';})[0];if(remoteSsrc){rtcpParameters.cname=remoteSsrc.value;rtcpParameters.ssrc=remoteSsrc.ssrc;}
+var rsize=SDPUtils.matchPrefix(mediaSection,'a=rtcp-rsize');rtcpParameters.reducedSize=rsize.length>0;rtcpParameters.compound=rsize.length===0;var mux=SDPUtils.matchPrefix(mediaSection,'a=rtcp-mux');rtcpParameters.mux=mux.length>0;return rtcpParameters;};SDPUtils.parseMsid=function(mediaSection){var parts;var spec=SDPUtils.matchPrefix(mediaSection,'a=msid:');if(spec.length===1){parts=spec[0].substr(7).split(' ');return{stream:parts[0],track:parts[1]};}
+var planB=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(parts){return parts.attribute==='msid';});if(planB.length>0){parts=planB[0].value.split(' ');return{stream:parts[0],track:parts[1]};}};SDPUtils.generateSessionId=function(){return Math.random().toString().substr(2,21);};SDPUtils.writeSessionBoilerplate=function(sessId){var sessionId;if(sessId){sessionId=sessId;}else{sessionId=SDPUtils.generateSessionId();}
+return'v=0\r\n'+'o=thisisadapterortc '+sessionId+' 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);sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters());sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),type==='offer'?'actpass':'active');sdp+='a=mid:'+transceiver.mid+'\r\n';if(transceiver.direction){sdp+='a='+transceiver.direction+'\r\n';}else if(transceiver.rtpSender&&transceiver.rtpReceiver){sdp+='a=sendrecv\r\n';}else if(transceiver.rtpSender){sdp+='a=sendonly\r\n';}else if(transceiver.rtpReceiver){sdp+='a=recvonly\r\n';}else{sdp+='a=inactive\r\n';}
+if(transceiver.rtpSender){var msid='msid:'+stream.id+' '+
+transceiver.rtpSender.track.id+'\r\n';sdp+='a='+msid;sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' '+msid;if(transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' '+msid;sdp+='a=ssrc-group:FID '+
+transceiver.sendEncodingParameters[0].ssrc+' '+
+transceiver.sendEncodingParameters[0].rtx.ssrc+'\r\n';}}
+sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' cname:'+SDPUtils.localCName+'\r\n';if(transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' cname:'+SDPUtils.localCName+'\r\n';}
+return sdp;};SDPUtils.getDirection=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);for(var i=0;i<lines.length;i++){switch(lines[i]){case'a=sendrecv':case'a=sendonly':case'a=recvonly':case'a=inactive':return lines[i].substr(2);default:}}
+if(sessionpart){return SDPUtils.getDirection(sessionpart);}
+return'sendrecv';};SDPUtils.getKind=function(mediaSection){var lines=SDPUtils.splitLines(mediaSection);var mline=lines[0].split(' ');return mline[0].substr(2);};SDPUtils.isRejected=function(mediaSection){return mediaSection.split(' ',2)[1]==='0';};module.exports=SDPUtils;},{}],2:[function(require,module,exports){(function(global){'use strict';var adapterFactory=require('./adapter_factory.js');module.exports=adapterFactory({window:global.window});}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./adapter_factory.js":3}],3:[function(require,module,exports){'use strict';module.exports=function(dependencies){var window=dependencies&&dependencies.window;var utils=require('./utils');var logging=utils.log;var browserDetails=utils.detectBrowser(window);var adapter={browserDetails:browserDetails,extractVersion:utils.extractVersion,disableLog:utils.disableLog,disableWarnings:utils.disableWarnings};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;switch(browserDetails.browser){case'chrome':if(!chromeShim||!chromeShim.shimPeerConnection){logging('Chrome shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming chrome.');adapter.browserShim=chromeShim;chromeShim.shimGetUserMedia(window);chromeShim.shimMediaStream(window);utils.shimCreateObjectURL(window);chromeShim.shimSourceObject(window);chromeShim.shimPeerConnection(window);chromeShim.shimOnTrack(window);chromeShim.shimGetSendersWithDtmf(window);break;case'firefox':if(!firefoxShim||!firefoxShim.shimPeerConnection){logging('Firefox shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming firefox.');adapter.browserShim=firefoxShim;firefoxShim.shimGetUserMedia(window);utils.shimCreateObjectURL(window);firefoxShim.shimSourceObject(window);firefoxShim.shimPeerConnection(window);firefoxShim.shimOnTrack(window);break;case'edge':if(!edgeShim||!edgeShim.shimPeerConnection){logging('MS edge shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming edge.');adapter.browserShim=edgeShim;edgeShim.shimGetUserMedia(window);utils.shimCreateObjectURL(window);edgeShim.shimPeerConnection(window);edgeShim.shimReplaceTrack(window);break;case'safari':if(!safariShim){logging('Safari shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming safari.');adapter.browserShim=safariShim;utils.shimCreateObjectURL(window);safariShim.shimRTCIceServerUrls(window);safariShim.shimCallbacksAPI(window);safariShim.shimLocalStreamsAPI(window);safariShim.shimRemoteStreamsAPI(window);safariShim.shimGetUserMedia(window);break;default:logging('Unsupported browser!');break;}
+return adapter;};},{"./chrome/chrome_shim":4,"./edge/edge_shim":6,"./firefox/firefox_shim":9,"./safari/safari_shim":11,"./utils":12}],4:[function(require,module,exports){'use strict';var utils=require('../utils.js');var logging=utils.log;var chromeShim={shimMediaStream:function(window){window.MediaStream=window.MediaStream||window.webkitMediaStream;},shimOnTrack:function(window){if(typeof window==='object'&&window.RTCPeerConnection&&!('ontrack'in
+window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'ontrack',{get:function(){return this._ontrack;},set:function(f){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){e.stream.addEventListener('addtrack',function(te){var receiver;if(window.RTCPeerConnection.prototype.getReceivers){receiver=self.getReceivers().find(function(r){return r.track.id===te.track.id;});}else{receiver={track:te.track};}
+var event=new Event('track');event.track=te.track;event.receiver=receiver;event.streams=[e.stream];self.dispatchEvent(event);});e.stream.getTracks().forEach(function(track){var receiver;if(window.RTCPeerConnection.prototype.getReceivers){receiver=self.getReceivers().find(function(r){return r.track.id===track.id;});}else{receiver={track:track};}
+var event=new Event('track');event.track=track;event.receiver=receiver;event.streams=[e.stream];this.dispatchEvent(event);}.bind(this));}.bind(this));}});}},shimGetSendersWithDtmf:function(window){if(typeof window==='object'&&window.RTCPeerConnection&&!('getSenders'in window.RTCPeerConnection.prototype)&&'createDTMFSender'in window.RTCPeerConnection.prototype){window.RTCPeerConnection.prototype.getSenders=function(){return this._senders||[];};var origAddStream=window.RTCPeerConnection.prototype.addStream;var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;if(!window.RTCPeerConnection.prototype.addTrack){window.RTCPeerConnection.prototype.addTrack=function(track,stream){var pc=this;if(pc.signalingState==='closed'){throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.','InvalidStateError');}
+var streams=[].slice.call(arguments,1);if(streams.length!==1||!streams[0].getTracks().find(function(t){return t===track;})){throw new DOMException('The adapter.js addTrack polyfill only supports a single '+' stream which is associated with the specified track.','NotSupportedError');}
+pc._senders=pc._senders||[];var alreadyExists=pc._senders.find(function(t){return t.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}
+pc._streams=pc._streams||{};var oldStream=pc._streams[stream.id];if(oldStream){oldStream.addTrack(track);pc.removeStream(oldStream);pc.addStream(oldStream);}else{var newStream=new window.MediaStream([track]);pc._streams[stream.id]=newStream;pc.addStream(newStream);}
+var sender={track:track,get dtmf(){if(this._dtmf===undefined){if(track.kind==='audio'){this._dtmf=pc.createDTMFSender(track);}else{this._dtmf=null;}}
+return this._dtmf;}};pc._senders.push(sender);return sender;};}
+window.RTCPeerConnection.prototype.addStream=function(stream){var pc=this;pc._senders=pc._senders||[];origAddStream.apply(pc,[stream]);stream.getTracks().forEach(function(track){pc._senders.push({track:track,get dtmf(){if(this._dtmf===undefined){if(track.kind==='audio'){this._dtmf=pc.createDTMFSender(track);}else{this._dtmf=null;}}
+return this._dtmf;}});});};window.RTCPeerConnection.prototype.removeStream=function(stream){var pc=this;pc._senders=pc._senders||[];origRemoveStream.apply(pc,[stream]);stream.getTracks().forEach(function(track){var sender=pc._senders.find(function(s){return s.track===track;});if(sender){pc._senders.splice(pc._senders.indexOf(sender),1);}});};}else if(typeof window==='object'&&window.RTCPeerConnection&&'getSenders'in window.RTCPeerConnection.prototype&&'createDTMFSender'in window.RTCPeerConnection.prototype&&window.RTCRtpSender&&!('dtmf'in window.RTCRtpSender.prototype)){var origGetSenders=window.RTCPeerConnection.prototype.getSenders;window.RTCPeerConnection.prototype.getSenders=function(){var pc=this;var senders=origGetSenders.apply(pc,[]);senders.forEach(function(sender){sender._pc=pc;});return senders;};Object.defineProperty(window.RTCRtpSender.prototype,'dtmf',{get:function(){if(this._dtmf===undefined){if(this.track.kind==='audio'){this._dtmf=this._pc.createDTMFSender(this.track);}else{this._dtmf=null;}}
+return this._dtmf;},});}},shimSourceObject:function(window){var URL=window&&window.URL;if(typeof window==='object'){if(window.HTMLMediaElement&&!('srcObject'in window.HTMLMediaElement.prototype)){Object.defineProperty(window.HTMLMediaElement.prototype,'srcObject',{get:function(){return this._srcObject;},set:function(stream){var self=this;this._srcObject=stream;if(this.src){URL.revokeObjectURL(this.src);}
+if(!stream){this.src='';return undefined;}
+this.src=URL.createObjectURL(stream);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(window){var browserDetails=utils.detectBrowser(window);if(!window.RTCPeerConnection){window.RTCPeerConnection=function(pcConfig,pcConstraints){logging('PeerConnection');if(pcConfig&&pcConfig.iceTransportPolicy){pcConfig.iceTransports=pcConfig.iceTransportPolicy;}
+return new window.webkitRTCPeerConnection(pcConfig,pcConstraints);};window.RTCPeerConnection.prototype=window.webkitRTCPeerConnection.prototype;if(window.webkitRTCPeerConnection.generateCertificate){Object.defineProperty(window.RTCPeerConnection,'generateCertificate',{get:function(){return window.webkitRTCPeerConnection.generateCertificate;}});}}else{var OrigPeerConnection=window.RTCPeerConnection;window.RTCPeerConnection=function(pcConfig,pcConstraints){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i<pcConfig.iceServers.length;i++){var server=pcConfig.iceServers[i];if(!server.hasOwnProperty('urls')&&server.hasOwnProperty('url')){console.warn('RTCIceServer.url is deprecated! Use urls instead.');server=JSON.parse(JSON.stringify(server));server.urls=server.url;newIceServers.push(server);}else{newIceServers.push(pcConfig.iceServers[i]);}}
+pcConfig.iceServers=newIceServers;}
+return new OrigPeerConnection(pcConfig,pcConstraints);};window.RTCPeerConnection.prototype=OrigPeerConnection.prototype;Object.defineProperty(window.RTCPeerConnection,'generateCertificate',{get:function(){return OrigPeerConnection.generateCertificate;}});}
+var origGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(selector,successCallback,errorCallback){var self=this;var args=arguments;if(arguments.length>0&&typeof selector==='function'){return origGetStats.apply(this,arguments);}
+if(origGetStats.length===0&&(arguments.length===0||typeof arguments[0]!=='function')){return origGetStats.apply(this,[]);}
+var fixChromeStats_=function(response){var standardReport={};var reports=response.result();reports.forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:{localcandidate:'local-candidate',remotecandidate:'remote-candidate'}[report.type]||report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name);});standardReport[standardStats.id]=standardStats;});return standardReport;};var makeMapStats=function(stats){return new Map(Object.keys(stats).map(function(key){return[key,stats[key]];}));};if(arguments.length>=2){var successCallbackWrapper_=function(response){args[1](makeMapStats(fixChromeStats_(response)));};return origGetStats.apply(this,[successCallbackWrapper_,arguments[0]]);}
+return new Promise(function(resolve,reject){origGetStats.apply(self,[function(response){resolve(makeMapStats(fixChromeStats_(response)));},reject]);}).then(successCallback,errorCallback);};if(browserDetails.version<51){['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){var args=arguments;var 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]);}});};});}
+if(browserDetails.version<52){['createOffer','createAnswer'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.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);};});}
+['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){arguments[0]=new((method==='addIceCandidate')?window.RTCIceCandidate:window.RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments);};});var nativeAddIceCandidate=window.RTCPeerConnection.prototype.addIceCandidate;window.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null);}
+return Promise.resolve();}
+return nativeAddIceCandidate.apply(this,arguments);};}};module.exports={shimMediaStream:chromeShim.shimMediaStream,shimOnTrack:chromeShim.shimOnTrack,shimGetSendersWithDtmf:chromeShim.shimGetSendersWithDtmf,shimSourceObject:chromeShim.shimSourceObject,shimPeerConnection:chromeShim.shimPeerConnection,shimGetUserMedia:require('./getusermedia')};},{"../utils.js":12,"./getusermedia":5}],5:[function(require,module,exports){'use strict';var utils=require('../utils.js');var logging=utils.log;module.exports=function(window){var browserDetails=utils.detectBrowser(window);var navigator=window&&window.navigator;var constraintsToChrome_=function(c){if(typeof c!=='object'||c.mandatory||c.optional){return c;}
+var cc={};Object.keys(c).forEach(function(key){if(key==='require'||key==='advanced'||key==='mediaSource'){return;}
+var r=(typeof c[key]==='object')?c[key]:{ideal:c[key]};if(r.exact!==undefined&&typeof r.exact==='number'){r.min=r.max=r.exact;}
+var oldname_=function(prefix,name){if(prefix){return prefix+name.charAt(0).toUpperCase()+name.slice(1);}
+return(name==='deviceId')?'sourceId':name;};if(r.ideal!==undefined){cc.optional=cc.optional||[];var oc={};if(typeof r.ideal==='number'){oc[oldname_('min',key)]=r.ideal;cc.optional.push(oc);oc={};oc[oldname_('max',key)]=r.ideal;cc.optional.push(oc);}else{oc[oldname_('',key)]=r.ideal;cc.optional.push(oc);}}
+if(r.exact!==undefined&&typeof r.exact!=='number'){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_('',key)]=r.exact;}else{['min','max'].forEach(function(mix){if(r[mix]!==undefined){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_(mix,key)]=r[mix];}});}});if(c.advanced){cc.optional=(cc.optional||[]).concat(c.advanced);}
+return cc;};var shimConstraints_=function(constraints,func){constraints=JSON.parse(JSON.stringify(constraints));if(constraints&&typeof constraints.audio==='object'){var remap=function(obj,a,b){if(a in obj&&!(b in obj)){obj[b]=obj[a];delete obj[a];}};constraints=JSON.parse(JSON.stringify(constraints));remap(constraints.audio,'autoGainControl','googAutoGainControl');remap(constraints.audio,'noiseSuppression','googNoiseSuppression');constraints.audio=constraintsToChrome_(constraints.audio);}
+if(constraints&&typeof constraints.video==='object'){var face=constraints.video.facingMode;face=face&&((typeof face==='object')?face:{ideal:face});var getSupportedFacingModeLies=browserDetails.version<61;if((face&&(face.exact==='user'||face.exact==='environment'||face.ideal==='user'||face.ideal==='environment'))&&!(navigator.mediaDevices.getSupportedConstraints&&navigator.mediaDevices.getSupportedConstraints().facingMode&&!getSupportedFacingModeLies)){delete constraints.video.facingMode;var matches;if(face.exact==='environment'||face.ideal==='environment'){matches=['back','rear'];}else if(face.exact==='user'||face.ideal==='user'){matches=['front'];}
+if(matches){return navigator.mediaDevices.enumerateDevices().then(function(devices){devices=devices.filter(function(d){return d.kind==='videoinput';});var dev=devices.find(function(d){return matches.some(function(match){return d.label.toLowerCase().indexOf(match)!==-1;});});if(!dev&&devices.length&&matches.indexOf('back')!==-1){dev=devices[devices.length-1];}
+if(dev){constraints.video.deviceId=face.exact?{exact:dev.deviceId}:{ideal:dev.deviceId};}
+constraints.video=constraintsToChrome_(constraints.video);logging('chrome: '+JSON.stringify(constraints));return func(constraints);});}}
+constraints.video=constraintsToChrome_(constraints.video);}
+logging('chrome: '+JSON.stringify(constraints));return func(constraints);};var shimError_=function(e){return{name:{PermissionDeniedError:'NotAllowedError',InvalidStateError:'NotReadableError',DevicesNotFoundError:'NotFoundError',ConstraintNotSatisfiedError:'OverconstrainedError',TrackStartError:'NotReadableError',MediaDeviceFailedDueToShutdown:'NotReadableError',MediaDeviceKillSwitchOn:'NotReadableError'}[e.name]||e.name,message:e.message,constraint:e.constraintName,toString:function(){return this.name+(this.message&&': ')+this.message;}};};var getUserMedia_=function(constraints,onSuccess,onError){shimConstraints_(constraints,function(c){navigator.webkitGetUserMedia(c,onSuccess,function(e){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 window.MediaStreamTrack.getSources(function(devices){resolve(devices.map(function(device){return{label:device.label,kind:kinds[device.kind],deviceId:device.id,groupId:''};}));});});},getSupportedConstraints:function(){return{deviceId:true,echoCancellation:true,facingMode:true,frameRate:true,height:true,width:true};}};}
+if(!navigator.mediaDevices.getUserMedia){navigator.mediaDevices.getUserMedia=function(constraints){return getUserMediaPromise_(constraints);};}else{var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(cs){return shimConstraints_(cs,function(c){return origGetUserMedia(c).then(function(stream){if(c.audio&&!stream.getAudioTracks().length||c.video&&!stream.getVideoTracks().length){stream.getTracks().forEach(function(track){track.stop();});throw new DOMException('','NotFoundError');}
+return stream;},function(e){return Promise.reject(shimError_(e));});});};}
+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":12}],6:[function(require,module,exports){'use strict';var utils=require('../utils');var shimRTCPeerConnection=require('./rtcpeerconnection_shim');module.exports={shimGetUserMedia:require('./getusermedia'),shimPeerConnection:function(window){var browserDetails=utils.detectBrowser(window);if(window.RTCIceGatherer){if(!window.RTCIceCandidate){window.RTCIceCandidate=function(args){return args;};}
+if(!window.RTCSessionDescription){window.RTCSessionDescription=function(args){return args;};}
+if(browserDetails.version<15025){var origMSTEnabled=Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype,'enabled');Object.defineProperty(window.MediaStreamTrack.prototype,'enabled',{set:function(value){origMSTEnabled.set.call(this,value);var ev=new Event('enabled');ev.enabled=value;this.dispatchEvent(ev);}});}}
+window.RTCPeerConnection=shimRTCPeerConnection(window,browserDetails.version);},shimReplaceTrack:function(window){if(window.RTCRtpSender&&!('replaceTrack'in window.RTCRtpSender.prototype)){window.RTCRtpSender.prototype.replaceTrack=window.RTCRtpSender.prototype.setTrack;}}};},{"../utils":12,"./getusermedia":7,"./rtcpeerconnection_shim":8}],7:[function(require,module,exports){'use strict';module.exports=function(window){var navigator=window&&window.navigator;var shimError_=function(e){return{name:{PermissionDeniedError:'NotAllowedError'}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name;}};};var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e));});};};},{}],8:[function(require,module,exports){'use strict';var SDPUtils=require('sdp');function sortTracks(tracks){var audioTracks=tracks.filter(function(track){return track.kind==='audio';});var videoTracks=tracks.filter(function(track){return track.kind==='video';});tracks=[];while(audioTracks.length||videoTracks.length){if(audioTracks.length){tracks.push(audioTracks.shift());}
+if(videoTracks.length){tracks.push(videoTracks.shift());}}
+return tracks;}
+function filterIceServers(iceServers,edgeVersion){var hasTurn=false;iceServers=JSON.parse(JSON.stringify(iceServers));return iceServers.filter(function(server){if(server&&(server.urls||server.url)){var urls=server.urls||server.url;if(server.url&&!server.urls){console.warn('RTCIceServer.url is deprecated! Use urls instead.');}
+var isString=typeof urls==='string';if(isString){urls=[urls];}
+urls=urls.filter(function(url){var validTurn=url.indexOf('turn:')===0&&url.indexOf('transport=udp')!==-1&&url.indexOf('turn:[')===-1&&!hasTurn;if(validTurn){hasTurn=true;return true;}
+return url.indexOf('stun:')===0&&edgeVersion>=14393;});delete server.url;server.urls=isString?urls[0]:urls;return!!urls.length;}
+return false;});}
+function getCommonCapabilities(localCapabilities,remoteCapabilities){var commonCapabilities={codecs:[],headerExtensions:[],fecMechanisms:[]};var findCodecByPayloadType=function(pt,codecs){pt=parseInt(pt,10);for(var i=0;i<codecs.length;i++){if(codecs[i].payloadType===pt||codecs[i].preferredPayloadType===pt){return codecs[i];}}};var rtxCapabilityMatches=function(lRtx,rRtx,lCodecs,rCodecs){var lCodec=findCodecByPayloadType(lRtx.parameters.apt,lCodecs);var rCodec=findCodecByPayloadType(rRtx.parameters.apt,rCodecs);return lCodec&&rCodec&&lCodec.name.toLowerCase()===rCodec.name.toLowerCase();};localCapabilities.codecs.forEach(function(lCodec){for(var i=0;i<remoteCapabilities.codecs.length;i++){var rCodec=remoteCapabilities.codecs[i];if(lCodec.name.toLowerCase()===rCodec.name.toLowerCase()&&lCodec.clockRate===rCodec.clockRate){if(lCodec.name.toLowerCase()==='rtx'&&lCodec.parameters&&rCodec.parameters.apt){if(!rtxCapabilityMatches(lCodec,rCodec,localCapabilities.codecs,remoteCapabilities.codecs)){continue;}}
+rCodec=JSON.parse(JSON.stringify(rCodec));rCodec.numChannels=Math.min(lCodec.numChannels,rCodec.numChannels);commonCapabilities.codecs.push(rCodec);rCodec.rtcpFeedback=rCodec.rtcpFeedback.filter(function(fb){for(var j=0;j<lCodec.rtcpFeedback.length;j++){if(lCodec.rtcpFeedback[j].type===fb.type&&lCodec.rtcpFeedback[j].parameter===fb.parameter){return true;}}
+return false;});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;}}});return commonCapabilities;}
+function isActionAllowedInSignalingState(action,type,signalingState){return{offer:{setLocalDescription:['stable','have-local-offer'],setRemoteDescription:['stable','have-remote-offer']},answer:{setLocalDescription:['have-remote-offer','have-local-pranswer'],setRemoteDescription:['have-local-offer','have-remote-pranswer']}}[type][action].indexOf(signalingState)!==-1;}
+module.exports=function(window,edgeVersion){var RTCPeerConnection=function(config){var self=this;var _eventTarget=document.createDocumentFragment();['addEventListener','removeEventListener','dispatchEvent'].forEach(function(method){self[method]=_eventTarget[method].bind(_eventTarget);});this.needNegotiation=false;this.onicecandidate=null;this.onaddstream=null;this.ontrack=null;this.onremovestream=null;this.onsignalingstatechange=null;this.oniceconnectionstatechange=null;this.onicegatheringstatechange=null;this.onnegotiationneeded=null;this.ondatachannel=null;this.canTrickleIceCandidates=null;this.localStreams=[];this.remoteStreams=[];this.getLocalStreams=function(){return self.localStreams;};this.getRemoteStreams=function(){return self.remoteStreams;};this.localDescription=new window.RTCSessionDescription({type:'',sdp:''});this.remoteDescription=new window.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;default:break;}}
+this.usingBundle=config&&config.bundlePolicy==='max-bundle';if(config&&config.iceServers){this.iceOptions.iceServers=filterIceServers(config.iceServers,edgeVersion);}
+this._config=config||{};this.transceivers=[];this._localIceCandidatesBuffer=[];this._sdpSessionId=SDPUtils.generateSessionId();};RTCPeerConnection.prototype._emitGatheringStateChange=function(){var event=new Event('icegatheringstatechange');this.dispatchEvent(event);if(this.onicegatheringstatechange!==null){this.onicegatheringstatechange(event);}};RTCPeerConnection.prototype._emitBufferedCandidates=function(){var self=this;var sections=SDPUtils.splitSections(self.localDescription.sdp);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{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.iceGatheringStateChange!=='complete'){self.iceGatheringState='complete';self._emitGatheringStateChange();}}});this._localIceCandidatesBuffer=[];};RTCPeerConnection.prototype.getConfiguration=function(){return this._config;};RTCPeerConnection.prototype._createTransceiver=function(kind){var hasBundleTransport=this.transceivers.length>0;var transceiver={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:kind,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,wantReceive:true};if(this.usingBundle&&hasBundleTransport){transceiver.iceTransport=this.transceivers[0].iceTransport;transceiver.dtlsTransport=this.transceivers[0].dtlsTransport;}else{var transports=this._createIceAndDtlsTransports();transceiver.iceTransport=transports.iceTransport;transceiver.dtlsTransport=transports.dtlsTransport;}
+this.transceivers.push(transceiver);return transceiver;};RTCPeerConnection.prototype.addTrack=function(track,stream){var transceiver;for(var i=0;i<this.transceivers.length;i++){if(!this.transceivers[i].track&&this.transceivers[i].kind===track.kind){transceiver=this.transceivers[i];}}
+if(!transceiver){transceiver=this._createTransceiver(track.kind);}
+transceiver.track=track;transceiver.stream=stream;transceiver.rtpSender=new window.RTCRtpSender(track,transceiver.dtlsTransport);this._maybeFireNegotiationNeeded();return transceiver.rtpSender;};RTCPeerConnection.prototype.addStream=function(stream){var self=this;if(edgeVersion>=15025){this.localStreams.push(stream);stream.getTracks().forEach(function(track){self.addTrack(track,stream);});}else{var clonedStream=stream.clone();stream.getTracks().forEach(function(track,idx){var clonedTrack=clonedStream.getTracks()[idx];track.addEventListener('enabled',function(event){clonedTrack.enabled=event.enabled;});});clonedStream.getTracks().forEach(function(track){self.addTrack(track,clonedStream);});this.localStreams.push(clonedStream);}
+this._maybeFireNegotiationNeeded();};RTCPeerConnection.prototype.removeStream=function(stream){var idx=this.localStreams.indexOf(stream);if(idx>-1){this.localStreams.splice(idx,1);this._maybeFireNegotiationNeeded();}};RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpSender;}).map(function(transceiver){return transceiver.rtpSender;});};RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpReceiver;}).map(function(transceiver){return transceiver.rtpReceiver;});};RTCPeerConnection.prototype._createIceGatherer=function(mid,sdpMLineIndex){var self=this;var iceGatherer=new window.RTCIceGatherer(self.iceOptions);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;if(end){if(iceGatherer.state===undefined){iceGatherer.state='completed';}}else{cand.component=1;event.candidate.candidate=SDPUtils.writeCandidate(cand);}
+var sections=SDPUtils.splitSections(self.localDescription.sdp);if(!end){sections[event.candidate.sdpMLineIndex+1]+='a='+event.candidate.candidate+'\r\n';}else{sections[event.candidate.sdpMLineIndex+1]+='a=end-of-candidates\r\n';}
+self.localDescription.sdp=sections.join('');var transceivers=self._pendingOffer?self._pendingOffer:self.transceivers;var complete=transceivers.every(function(transceiver){return transceiver.iceGatherer&&transceiver.iceGatherer.state==='completed';});switch(self.iceGatheringState){case'new':if(!end){self._localIceCandidatesBuffer.push(event);}
+if(end&&complete){self._localIceCandidatesBuffer.push(new Event('icecandidate'));}
+break;case'gathering':self._emitBufferedCandidates();if(!end){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';self._emitGatheringStateChange();}
+break;case'complete':break;default:break;}};return iceGatherer;};RTCPeerConnection.prototype._createIceAndDtlsTransports=function(){var self=this;var iceTransport=new window.RTCIceTransport(null);iceTransport.onicestatechange=function(){self._updateConnectionState();};var dtlsTransport=new window.RTCDtlsTransport(iceTransport);dtlsTransport.ondtlsstatechange=function(){self._updateConnectionState();};dtlsTransport.onerror=function(){Object.defineProperty(dtlsTransport,'state',{value:'failed',writable:true});self._updateConnectionState();};return{iceTransport:iceTransport,dtlsTransport:dtlsTransport};};RTCPeerConnection.prototype._disposeIceAndDtlsTransports=function(sdpMLineIndex){var iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;if(iceGatherer){delete iceGatherer.onlocalcandidate;delete this.transceivers[sdpMLineIndex].iceGatherer;}
+var iceTransport=this.transceivers[sdpMLineIndex].iceTransport;if(iceTransport){delete iceTransport.onicestatechange;delete this.transceivers[sdpMLineIndex].iceTransport;}
+var dtlsTransport=this.transceivers[sdpMLineIndex].dtlsTransport;if(dtlsTransport){delete dtlsTransport.ondtlssttatechange;delete dtlsTransport.onerror;delete this.transceivers[sdpMLineIndex].dtlsTransport;}};RTCPeerConnection.prototype._transceive=function(transceiver,send,recv){var params=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);if(send&&transceiver.rtpSender){params.encodings=transceiver.sendEncodingParameters;params.rtcp={cname:SDPUtils.localCName,compound:transceiver.rtcpParameters.compound};if(transceiver.recvEncodingParameters.length){params.rtcp.ssrc=transceiver.recvEncodingParameters[0].ssrc;}
+transceiver.rtpSender.send(params);}
+if(recv&&transceiver.rtpReceiver){if(transceiver.kind==='video'&&transceiver.recvEncodingParameters&&edgeVersion<15019){transceiver.recvEncodingParameters.forEach(function(p){delete p.rtx;});}
+params.encodings=transceiver.recvEncodingParameters;params.rtcp={cname:transceiver.rtcpParameters.cname,compound:transceiver.rtcpParameters.compound};if(transceiver.sendEncodingParameters.length){params.rtcp.ssrc=transceiver.sendEncodingParameters[0].ssrc;}
+transceiver.rtpReceiver.receive(params);}};RTCPeerConnection.prototype.setLocalDescription=function(description){var self=this;if(!isActionAllowedInSignalingState('setLocalDescription',description.type,this.signalingState)){var e=new Error('Can not set local '+description.type+' in state '+this.signalingState);e.name='InvalidStateError';if(arguments.length>2&&typeof arguments[2]==='function'){window.setTimeout(arguments[2],0,e);}
+return Promise.reject(e);}
+var sections;var sessionpart;if(description.type==='offer'){if(this._pendingOffer){sections=SDPUtils.splitSections(description.sdp);sessionpart=sections.shift();sections.forEach(function(mediaSection,sdpMLineIndex){var caps=SDPUtils.parseRtpParameters(mediaSection);self._pendingOffer[sdpMLineIndex].localCapabilities=caps;});this.transceivers=this._pendingOffer;delete this._pendingOffer;}}else if(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=SDPUtils.isRejected(mediaSection);if(!rejected&&!transceiver.isDatachannel){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);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);}
+var params=getCommonCapabilities(localCapabilities,remoteCapabilities);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+'"');}
+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._emitGatheringStateChange();}
+self._emitBufferedCandidates();},0);}
+var p=Promise.resolve();p.then(function(){if(!hasCallback){if(self.iceGatheringState==='new'){self.iceGatheringState='gathering';self._emitGatheringStateChange();}
+window.setTimeout(self._emitBufferedCandidates.bind(self),500);}});return p;};RTCPeerConnection.prototype.setRemoteDescription=function(description){var self=this;if(!isActionAllowedInSignalingState('setRemoteDescription',description.type,this.signalingState)){var e=new Error('Can not set remote '+description.type+' in state '+this.signalingState);e.name='InvalidStateError';if(arguments.length>2&&typeof arguments[2]==='function'){window.setTimeout(arguments[2],0,e);}
+return Promise.reject(e);}
+var streams={};var receiverList=[];var sections=SDPUtils.splitSections(description.sdp);var sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,'a=ice-lite').length>0;var usingBundle=SDPUtils.matchPrefix(sessionpart,'a=group:BUNDLE ').length>0;this.usingBundle=usingBundle;var iceOptions=SDPUtils.matchPrefix(sessionpart,'a=ice-options:')[0];if(iceOptions){this.canTrickleIceCandidates=iceOptions.substr(14).split(' ').indexOf('trickle')>=0;}else{this.canTrickleIceCandidates=false;}
+sections.forEach(function(mediaSection,sdpMLineIndex){var lines=SDPUtils.splitLines(mediaSection);var kind=SDPUtils.getKind(mediaSection);var rejected=SDPUtils.isRejected(mediaSection);var protocol=lines[0].substr(2).split(' ')[2];var direction=SDPUtils.getDirection(mediaSection,sessionpart);var remoteMsid=SDPUtils.parseMsid(mediaSection);var mid=SDPUtils.getMid(mediaSection)||SDPUtils.generateIdentifier();if(kind==='application'&&protocol==='DTLS/SCTP'){self.transceivers[sdpMLineIndex]={mid:mid,isDatachannel:true};return;}
+var transceiver;var iceGatherer;var iceTransport;var dtlsTransport;var rtpReceiver;var sendEncodingParameters;var recvEncodingParameters;var localCapabilities;var track;var remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);var remoteIceParameters;var remoteDtlsParameters;if(!rejected){remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);remoteDtlsParameters.role='client';}
+recvEncodingParameters=SDPUtils.parseRtpEncodingParameters(mediaSection);var rtcpParameters=SDPUtils.parseRtcpParameters(mediaSection);var isComplete=SDPUtils.matchPrefix(mediaSection,'a=end-of-candidates',sessionpart).length>0;var cands=SDPUtils.matchPrefix(mediaSection,'a=candidate:').map(function(cand){return SDPUtils.parseCandidate(cand);}).filter(function(cand){return cand.component==='1'||cand.component===1;});if((description.type==='offer'||description.type==='answer')&&!rejected&&usingBundle&&sdpMLineIndex>0&&self.transceivers[sdpMLineIndex]){self._disposeIceAndDtlsTransports(sdpMLineIndex);self.transceivers[sdpMLineIndex].iceGatherer=self.transceivers[0].iceGatherer;self.transceivers[sdpMLineIndex].iceTransport=self.transceivers[0].iceTransport;self.transceivers[sdpMLineIndex].dtlsTransport=self.transceivers[0].dtlsTransport;if(self.transceivers[sdpMLineIndex].rtpSender){self.transceivers[sdpMLineIndex].rtpSender.setTransport(self.transceivers[0].dtlsTransport);}
+if(self.transceivers[sdpMLineIndex].rtpReceiver){self.transceivers[sdpMLineIndex].rtpReceiver.setTransport(self.transceivers[0].dtlsTransport);}}
+if(description.type==='offer'&&!rejected){transceiver=self.transceivers[sdpMLineIndex]||self._createTransceiver(kind);transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=usingBundle&&sdpMLineIndex>0?self.transceivers[0].iceGatherer:self._createIceGatherer(mid,sdpMLineIndex);}
+if(isComplete&&(!usingBundle||sdpMLineIndex===0)){transceiver.iceTransport.setRemoteCandidates(cands);}
+localCapabilities=window.RTCRtpReceiver.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=='rtx';});}
+sendEncodingParameters=[{ssrc:(2*sdpMLineIndex+2)*1001}];if(direction==='sendrecv'||direction==='sendonly'){rtpReceiver=new window.RTCRtpReceiver(transceiver.dtlsTransport,kind);track=rtpReceiver.track;if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new window.MediaStream();Object.defineProperty(streams[remoteMsid.stream],'id',{get:function(){return remoteMsid.stream;}});}
+Object.defineProperty(track,'id',{get:function(){return remoteMsid.track;}});streams[remoteMsid.stream].addTrack(track);receiverList.push([track,rtpReceiver,streams[remoteMsid.stream]]);}else{if(!streams.default){streams.default=new window.MediaStream();}
+streams.default.addTrack(track);receiverList.push([track,rtpReceiver,streams.default]);}}
+transceiver.localCapabilities=localCapabilities;transceiver.remoteCapabilities=remoteCapabilities;transceiver.rtpReceiver=rtpReceiver;transceiver.rtcpParameters=rtcpParameters;transceiver.sendEncodingParameters=sendEncodingParameters;transceiver.recvEncodingParameters=recvEncodingParameters;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;rtpReceiver=transceiver.rtpReceiver;sendEncodingParameters=transceiver.sendEncodingParameters;localCapabilities=transceiver.localCapabilities;self.transceivers[sdpMLineIndex].recvEncodingParameters=recvEncodingParameters;self.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities;self.transceivers[sdpMLineIndex].rtcpParameters=rtcpParameters;if((isIceLite||isComplete)&&cands.length){iceTransport.setRemoteCandidates(cands);}
+if(!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;if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new window.MediaStream();}
+streams[remoteMsid.stream].addTrack(track);receiverList.push([track,rtpReceiver,streams[remoteMsid.stream]]);}else{if(!streams.default){streams.default=new window.MediaStream();}
+streams.default.addTrack(track);receiverList.push([track,rtpReceiver,streams.default]);}}else{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+'"');}
+Object.keys(streams).forEach(function(sid){var stream=streams[sid];if(stream.getTracks().length){self.remoteStreams.push(stream);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];if(stream.id!==item[2].id){return;}
+var trackEvent=new Event('track');trackEvent.track=track;trackEvent.receiver=receiver;trackEvent.streams=[stream];self.dispatchEvent(trackEvent);if(self.ontrack!==null){window.setTimeout(function(){self.ontrack(trackEvent);},0);}});}});window.setTimeout(function(){if(!(self&&self.transceivers)){return;}
+self.transceivers.forEach(function(transceiver){if(transceiver.iceTransport&&transceiver.iceTransport.state==='new'&&transceiver.iceTransport.getRemoteCandidates().length>0){console.warn('Timeout for addRemoteCandidate. Consider sending '+'an end-of-candidates notification');transceiver.iceTransport.addRemoteCandidate({});}});},4000);if(arguments.length>1&&typeof arguments[1]==='function'){window.setTimeout(arguments[1],0);}
+return Promise.resolve();};RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport){transceiver.iceTransport.stop();}
+if(transceiver.dtlsTransport){transceiver.dtlsTransport.stop();}
+if(transceiver.rtpSender){transceiver.rtpSender.stop();}
+if(transceiver.rtpReceiver){transceiver.rtpReceiver.stop();}});this._updateSignalingState('closed');};RTCPeerConnection.prototype._updateSignalingState=function(newState){this.signalingState=newState;var event=new Event('signalingstatechange');this.dispatchEvent(event);if(this.onsignalingstatechange!==null){this.onsignalingstatechange(event);}};RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var self=this;if(this.signalingState!=='stable'||this.needNegotiation===true){return;}
+this.needNegotiation=true;window.setTimeout(function(){if(self.needNegotiation===false){return;}
+self.needNegotiation=false;var event=new Event('negotiationneeded');self.dispatchEvent(event);if(self.onnegotiationneeded!==null){self.onnegotiationneeded(event);}},0);};RTCPeerConnection.prototype._updateConnectionState=function(){var self=this;var newState;var states={'new':0,closed:0,connecting:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(transceiver){states[transceiver.iceTransport.state]++;states[transceiver.dtlsTransport.state]++;});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);}}};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 numAudioTracks=this.transceivers.filter(function(t){return t.kind==='audio';}).length;var numVideoTracks=this.transceivers.filter(function(t){return t.kind==='video';}).length;if(offerOptions){if(offerOptions.mandatory||offerOptions.optional){throw new TypeError('Legacy mandatory/optional constraints not supported.');}
+if(offerOptions.offerToReceiveAudio!==undefined){if(offerOptions.offerToReceiveAudio===true){numAudioTracks=1;}else if(offerOptions.offerToReceiveAudio===false){numAudioTracks=0;}else{numAudioTracks=offerOptions.offerToReceiveAudio;}}
+if(offerOptions.offerToReceiveVideo!==undefined){if(offerOptions.offerToReceiveVideo===true){numVideoTracks=1;}else if(offerOptions.offerToReceiveVideo===false){numVideoTracks=0;}else{numVideoTracks=offerOptions.offerToReceiveVideo;}}}
+this.transceivers.forEach(function(transceiver){if(transceiver.kind==='audio'){numAudioTracks--;if(numAudioTracks<0){transceiver.wantReceive=false;}}else if(transceiver.kind==='video'){numVideoTracks--;if(numVideoTracks<0){transceiver.wantReceive=false;}}});while(numAudioTracks>0||numVideoTracks>0){if(numAudioTracks>0){this._createTransceiver('audio');numAudioTracks--;}
+if(numVideoTracks>0){this._createTransceiver('video');numVideoTracks--;}}
+var transceivers=sortTracks(this.transceivers);var sdp=SDPUtils.writeSessionBoilerplate(this._sdpSessionId);transceivers.forEach(function(transceiver,sdpMLineIndex){var track=transceiver.track;var kind=transceiver.kind;var mid=SDPUtils.generateIdentifier();transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=self.usingBundle&&sdpMLineIndex>0?transceivers[0].iceGatherer:self._createIceGatherer(mid,sdpMLineIndex);}
+var localCapabilities=window.RTCRtpSender.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=='rtx';});}
+localCapabilities.codecs.forEach(function(codec){if(codec.name==='H264'&&codec.parameters['level-asymmetry-allowed']===undefined){codec.parameters['level-asymmetry-allowed']='1';}});var sendEncodingParameters=[{ssrc:(2*sdpMLineIndex+1)*1001}];if(track){if(edgeVersion>=15019&&kind==='video'){sendEncodingParameters[0].rtx={ssrc:(2*sdpMLineIndex+1)*1001+1};}}
+if(transceiver.wantReceive){transceiver.rtpReceiver=new window.RTCRtpReceiver(transceiver.dtlsTransport,kind);}
+transceiver.localCapabilities=localCapabilities;transceiver.sendEncodingParameters=sendEncodingParameters;});if(this._config.bundlePolicy!=='max-compat'){sdp+='a=group:BUNDLE '+transceivers.map(function(t){return t.mid;}).join(' ')+'\r\n';}
+sdp+='a=ice-options:trickle\r\n';transceivers.forEach(function(transceiver,sdpMLineIndex){sdp+=SDPUtils.writeMediaSection(transceiver,transceiver.localCapabilities,'offer',transceiver.stream);sdp+='a=rtcp-rsize\r\n';});this._pendingOffer=transceivers;var desc=new window.RTCSessionDescription({type:'offer',sdp:sdp});if(arguments.length&&typeof arguments[0]==='function'){window.setTimeout(arguments[0],0,desc);}
+return Promise.resolve(desc);};RTCPeerConnection.prototype.createAnswer=function(){var sdp=SDPUtils.writeSessionBoilerplate(this._sdpSessionId);if(this.usingBundle){sdp+='a=group:BUNDLE '+this.transceivers.map(function(t){return t.mid;}).join(' ')+'\r\n';}
+this.transceivers.forEach(function(transceiver,sdpMLineIndex){if(transceiver.isDatachannel){sdp+='m=application 0 DTLS/SCTP 5000\r\n'+'c=IN IP4 0.0.0.0\r\n'+'a=mid:'+transceiver.mid+'\r\n';return;}
+if(transceiver.stream){var localTrack;if(transceiver.kind==='audio'){localTrack=transceiver.stream.getAudioTracks()[0];}else if(transceiver.kind==='video'){localTrack=transceiver.stream.getVideoTracks()[0];}
+if(localTrack){if(edgeVersion>=15019&&transceiver.kind==='video'){transceiver.sendEncodingParameters[0].rtx={ssrc:(2*sdpMLineIndex+2)*1001+1};}}}
+var commonCapabilities=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);var hasRtx=commonCapabilities.codecs.filter(function(c){return c.name.toLowerCase()==='rtx';}).length;if(!hasRtx&&transceiver.sendEncodingParameters[0].rtx){delete transceiver.sendEncodingParameters[0].rtx;}
+sdp+=SDPUtils.writeMediaSection(transceiver,commonCapabilities,'answer',transceiver.stream);if(transceiver.rtcpParameters&&transceiver.rtcpParameters.reducedSize){sdp+='a=rtcp-rsize\r\n';}});var desc=new window.RTCSessionDescription({type:'answer',sdp:sdp});if(arguments.length&&typeof arguments[0]==='function'){window.setTimeout(arguments[0],0,desc);}
+return Promise.resolve(desc);};RTCPeerConnection.prototype.addIceCandidate=function(candidate){if(!candidate){for(var j=0;j<this.transceivers.length;j++){this.transceivers[j].iceTransport.addRemoteCandidate({});if(this.usingBundle){return Promise.resolve();}}}else{var mLineIndex=candidate.sdpMLineIndex;if(candidate.sdpMid){for(var i=0;i<this.transceivers.length;i++){if(this.transceivers[i].mid===candidate.sdpMid){mLineIndex=i;break;}}}
+var transceiver=this.transceivers[mLineIndex];if(transceiver){var cand=Object.keys(candidate.candidate).length>0?SDPUtils.parseCandidate(candidate.candidate):{};if(cand.protocol==='tcp'&&(cand.port===0||cand.port===9)){return Promise.resolve();}
+if(cand.component&&!(cand.component==='1'||cand.component===1)){return Promise.resolve();}
+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('');}}
+if(arguments.length>1&&typeof arguments[1]==='function'){window.setTimeout(arguments[1],0);}
+return Promise.resolve();};RTCPeerConnection.prototype.getStats=function(){var promises=[];this.transceivers.forEach(function(transceiver){['rtpSender','rtpReceiver','iceGatherer','iceTransport','dtlsTransport'].forEach(function(method){if(transceiver[method]){promises.push(transceiver[method].getStats());}});});var cb=arguments.length>1&&typeof arguments[1]==='function'&&arguments[1];var fixStatsType=function(stat){return{inboundrtp:'inbound-rtp',outboundrtp:'outbound-rtp',candidatepair:'candidate-pair',localcandidate:'local-candidate',remotecandidate:'remote-candidate'}[stat.type]||stat.type;};return new Promise(function(resolve){var results=new Map();Promise.all(promises).then(function(res){res.forEach(function(result){Object.keys(result).forEach(function(id){result[id].type=fixStatsType(result[id]);results.set(id,result[id]);});});if(cb){window.setTimeout(cb,0,results);}
+resolve(results);});});};return RTCPeerConnection;};},{"sdp":1}],9:[function(require,module,exports){'use strict';var utils=require('../utils');var firefoxShim={shimOnTrack:function(window){if(typeof window==='object'&&window.RTCPeerConnection&&!('ontrack'in
+window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'ontrack',{get:function(){return this._ontrack;},set:function(f){if(this._ontrack){this.removeEventListener('track',this._ontrack);this.removeEventListener('addstream',this._ontrackpoly);}
+this.addEventListener('track',this._ontrack=f);this.addEventListener('addstream',this._ontrackpoly=function(e){e.stream.getTracks().forEach(function(track){var event=new Event('track');event.track=track;event.receiver={track:track};event.streams=[e.stream];this.dispatchEvent(event);}.bind(this));}.bind(this));}});}},shimSourceObject:function(window){if(typeof window==='object'){if(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(window){var browserDetails=utils.detectBrowser(window);if(typeof window!=='object'||!(window.RTCPeerConnection||window.mozRTCPeerConnection)){return;}
+if(!window.RTCPeerConnection){window.RTCPeerConnection=function(pcConfig,pcConstraints){if(browserDetails.version<38){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i<pcConfig.iceServers.length;i++){var server=pcConfig.iceServers[i];if(server.hasOwnProperty('urls')){for(var j=0;j<server.urls.length;j++){var newServer={url:server.urls[j]};if(server.urls[j].indexOf('turn')===0){newServer.username=server.username;newServer.credential=server.credential;}
+newIceServers.push(newServer);}}else{newIceServers.push(pcConfig.iceServers[i]);}}
+pcConfig.iceServers=newIceServers;}}
+return new window.mozRTCPeerConnection(pcConfig,pcConstraints);};window.RTCPeerConnection.prototype=window.mozRTCPeerConnection.prototype;if(window.mozRTCPeerConnection.generateCertificate){Object.defineProperty(window.RTCPeerConnection,'generateCertificate',{get:function(){return window.mozRTCPeerConnection.generateCertificate;}});}
+window.RTCSessionDescription=window.mozRTCSessionDescription;window.RTCIceCandidate=window.mozRTCIceCandidate;}
+['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){arguments[0]=new((method==='addIceCandidate')?window.RTCIceCandidate:window.RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments);};});var nativeAddIceCandidate=window.RTCPeerConnection.prototype.addIceCandidate;window.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null);}
+return Promise.resolve();}
+return nativeAddIceCandidate.apply(this,arguments);};var makeMapStats=function(stats){var map=new Map();Object.keys(stats).forEach(function(key){map.set(key,stats[key]);map[key]=stats[key];});return map;};var modernStatsTypes={inboundrtp:'inbound-rtp',outboundrtp:'outbound-rtp',candidatepair:'candidate-pair',localcandidate:'local-candidate',remotecandidate:'remote-candidate'};var nativeGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(selector,onSucc,onErr){return nativeGetStats.apply(this,[selector||null]).then(function(stats){if(browserDetails.version<48){stats=makeMapStats(stats);}
+if(browserDetails.version<53&&!onSucc){try{stats.forEach(function(stat){stat.type=modernStatsTypes[stat.type]||stat.type;});}catch(e){if(e.name!=='TypeError'){throw e;}
+stats.forEach(function(stat,i){stats.set(i,Object.assign({},stat,{type:modernStatsTypes[stat.type]||stat.type}));});}}
+return stats;}).then(onSucc,onErr);};}};module.exports={shimOnTrack:firefoxShim.shimOnTrack,shimSourceObject:firefoxShim.shimSourceObject,shimPeerConnection:firefoxShim.shimPeerConnection,shimGetUserMedia:require('./getusermedia')};},{"../utils":12,"./getusermedia":10}],10:[function(require,module,exports){'use strict';var utils=require('../utils');var logging=utils.log;module.exports=function(window){var browserDetails=utils.detectBrowser(window);var navigator=window&&window.navigator;var MediaStreamTrack=window&&window.MediaStreamTrack;var shimError_=function(e){return{name:{InternalError:'NotReadableError',NotSupportedError:'TypeError',PermissionDeniedError:'NotAllowedError',SecurityError:'NotAllowedError'}[e.name]||e.name,message:{'The operation is insecure.':'The request is not allowed by the '+'user agent or the platform in the current context.'}[e.message]||e.message,constraint:e.constraint,toString:function(){return this.name+(this.message&&': ')+this.message;}};};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));});};var getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){getUserMedia_(constraints,resolve,reject);});};if(!navigator.mediaDevices){navigator.mediaDevices={getUserMedia:getUserMediaPromise_,addEventListener:function(){},removeEventListener:function(){}};}
+navigator.mediaDevices.enumerateDevices=navigator.mediaDevices.enumerateDevices||function(){return new Promise(function(resolve){var infos=[{kind:'audioinput',deviceId:'default',label:'',groupId:''},{kind:'videoinput',deviceId:'default',label:'',groupId:''}];resolve(infos);});};if(browserDetails.version<41){var orgEnumerateDevices=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return orgEnumerateDevices().then(undefined,function(e){if(e.name==='NotFoundError'){return[];}
+throw e;});};}
+if(browserDetails.version<49){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).then(function(stream){if(c.audio&&!stream.getAudioTracks().length||c.video&&!stream.getVideoTracks().length){stream.getTracks().forEach(function(track){track.stop();});throw new DOMException('The object can not be found here.','NotFoundError');}
+return stream;},function(e){return Promise.reject(shimError_(e));});};}
+if(!(browserDetails.version>55&&'autoGainControl'in navigator.mediaDevices.getSupportedConstraints())){var remap=function(obj,a,b){if(a in obj&&!(b in obj)){obj[b]=obj[a];delete obj[a];}};var nativeGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){if(typeof c==='object'&&typeof c.audio==='object'){c=JSON.parse(JSON.stringify(c));remap(c.audio,'autoGainControl','mozAutoGainControl');remap(c.audio,'noiseSuppression','mozNoiseSuppression');}
+return nativeGetUserMedia(c);};if(MediaStreamTrack&&MediaStreamTrack.prototype.getSettings){var nativeGetSettings=MediaStreamTrack.prototype.getSettings;MediaStreamTrack.prototype.getSettings=function(){var obj=nativeGetSettings.apply(this,arguments);remap(obj,'mozAutoGainControl','autoGainControl');remap(obj,'mozNoiseSuppression','noiseSuppression');return obj;};}
+if(MediaStreamTrack&&MediaStreamTrack.prototype.applyConstraints){var nativeApplyConstraints=MediaStreamTrack.prototype.applyConstraints;MediaStreamTrack.prototype.applyConstraints=function(c){if(this.kind==='audio'&&typeof c==='object'){c=JSON.parse(JSON.stringify(c));remap(c,'autoGainControl','mozAutoGainControl');remap(c,'noiseSuppression','mozNoiseSuppression');}
+return nativeApplyConstraints.apply(this,[c]);};}}
+navigator.getUserMedia=function(constraints,onSuccess,onError){if(browserDetails.version<44){return getUserMedia_(constraints,onSuccess,onError);}
+console.warn('navigator.getUserMedia has been replaced by '+'navigator.mediaDevices.getUserMedia');navigator.mediaDevices.getUserMedia(constraints).then(onSuccess,onError);};};},{"../utils":12}],11:[function(require,module,exports){'use strict';var utils=require('../utils');var safariShim={shimLocalStreamsAPI:function(window){if(typeof window!=='object'||!window.RTCPeerConnection){return;}
+if(!('getLocalStreams'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getLocalStreams=function(){if(!this._localStreams){this._localStreams=[];}
+return this._localStreams;};}
+if(!('getStreamById'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getStreamById=function(id){var result=null;if(this._localStreams){this._localStreams.forEach(function(stream){if(stream.id===id){result=stream;}});}
+if(this._remoteStreams){this._remoteStreams.forEach(function(stream){if(stream.id===id){result=stream;}});}
+return result;};}
+if(!('addStream'in window.RTCPeerConnection.prototype)){var _addTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addStream=function(stream){if(!this._localStreams){this._localStreams=[];}
+if(this._localStreams.indexOf(stream)===-1){this._localStreams.push(stream);}
+var self=this;stream.getTracks().forEach(function(track){_addTrack.call(self,track,stream);});};window.RTCPeerConnection.prototype.addTrack=function(track,stream){if(stream){if(!this._localStreams){this._localStreams=[stream];}else if(this._localStreams.indexOf(stream)===-1){this._localStreams.push(stream);}}
+_addTrack.call(this,track,stream);};}
+if(!('removeStream'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.removeStream=function(stream){if(!this._localStreams){this._localStreams=[];}
+var index=this._localStreams.indexOf(stream);if(index===-1){return;}
+this._localStreams.splice(index,1);var self=this;var tracks=stream.getTracks();this.getSenders().forEach(function(sender){if(tracks.indexOf(sender.track)!==-1){self.removeTrack(sender);}});};}},shimRemoteStreamsAPI:function(window){if(typeof window!=='object'||!window.RTCPeerConnection){return;}
+if(!('getRemoteStreams'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[];};}
+if(!('onaddstream'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'onaddstream',{get:function(){return this._onaddstream;},set:function(f){if(this._onaddstream){this.removeEventListener('addstream',this._onaddstream);this.removeEventListener('track',this._onaddstreampoly);}
+this.addEventListener('addstream',this._onaddstream=f);this.addEventListener('track',this._onaddstreampoly=function(e){var stream=e.streams[0];if(!this._remoteStreams){this._remoteStreams=[];}
+if(this._remoteStreams.indexOf(stream)>=0){return;}
+this._remoteStreams.push(stream);var event=new Event('addstream');event.stream=e.streams[0];this.dispatchEvent(event);}.bind(this));}});}},shimCallbacksAPI:function(window){if(typeof window!=='object'||!window.RTCPeerConnection){return;}
+var prototype=window.RTCPeerConnection.prototype;var createOffer=prototype.createOffer;var createAnswer=prototype.createAnswer;var setLocalDescription=prototype.setLocalDescription;var setRemoteDescription=prototype.setRemoteDescription;var addIceCandidate=prototype.addIceCandidate;prototype.createOffer=function(successCallback,failureCallback){var options=(arguments.length>=2)?arguments[2]:arguments[0];var promise=createOffer.apply(this,[options]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.createAnswer=function(successCallback,failureCallback){var options=(arguments.length>=2)?arguments[2]:arguments[0];var promise=createAnswer.apply(this,[options]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};var withCallback=function(description,successCallback,failureCallback){var promise=setLocalDescription.apply(this,[description]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.setLocalDescription=withCallback;withCallback=function(description,successCallback,failureCallback){var promise=setRemoteDescription.apply(this,[description]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.setRemoteDescription=withCallback;withCallback=function(candidate,successCallback,failureCallback){var promise=addIceCandidate.apply(this,[candidate]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.addIceCandidate=withCallback;},shimGetUserMedia:function(window){var navigator=window&&window.navigator;if(!navigator.getUserMedia){if(navigator.webkitGetUserMedia){navigator.getUserMedia=navigator.webkitGetUserMedia.bind(navigator);}else if(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){navigator.getUserMedia=function(constraints,cb,errcb){navigator.mediaDevices.getUserMedia(constraints).then(cb,errcb);}.bind(navigator);}}},shimRTCIceServerUrls:function(window){var OrigPeerConnection=window.RTCPeerConnection;window.RTCPeerConnection=function(pcConfig,pcConstraints){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i<pcConfig.iceServers.length;i++){var server=pcConfig.iceServers[i];if(!server.hasOwnProperty('urls')&&server.hasOwnProperty('url')){utils.deprecated('RTCIceServer.url','RTCIceServer.urls');server=JSON.parse(JSON.stringify(server));server.urls=server.url;delete server.url;newIceServers.push(server);}else{newIceServers.push(pcConfig.iceServers[i]);}}
+pcConfig.iceServers=newIceServers;}
+return new OrigPeerConnection(pcConfig,pcConstraints);};window.RTCPeerConnection.prototype=OrigPeerConnection.prototype;Object.defineProperty(window.RTCPeerConnection,'generateCertificate',{get:function(){return OrigPeerConnection.generateCertificate;}});}};module.exports={shimCallbacksAPI:safariShim.shimCallbacksAPI,shimLocalStreamsAPI:safariShim.shimLocalStreamsAPI,shimRemoteStreamsAPI:safariShim.shimRemoteStreamsAPI,shimGetUserMedia:safariShim.shimGetUserMedia,shimRTCIceServerUrls:safariShim.shimRTCIceServerUrls};},{"../utils":12}],12:[function(require,module,exports){'use strict';var logDisabled_=true;var deprecationWarnings_=true;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';},disableWarnings:function(bool){if(typeof bool!=='boolean'){return new Error('Argument type: '+typeof bool+'. Please use a boolean.');}
+deprecationWarnings_=!bool;return'adapter.js deprecation warnings '+(bool?'disabled':'enabled');},log:function(){if(typeof window==='object'){if(logDisabled_){return;}
+if(typeof console!=='undefined'&&typeof console.log==='function'){console.log.apply(console,arguments);}}},deprecated:function(oldMethod,newMethod){if(!deprecationWarnings_){return;}
+console.warn(oldMethod+' is deprecated, please use '+newMethod+' instead.');},extractVersion:function(uastring,expr,pos){var match=uastring.match(expr);return match&&match.length>=pos&&parseInt(match[pos],10);},detectBrowser:function(window){var navigator=window&&window.navigator;var result={};result.browser=null;result.version=null;if(typeof window==='undefined'||!window.navigator){result.browser='Not a browser.';return result;}
+if(navigator.mozGetUserMedia){result.browser='firefox';result.version=this.extractVersion(navigator.userAgent,/Firefox\/(\d+)\./,1);}else if(navigator.webkitGetUserMedia){if(window.webkitRTCPeerConnection){result.browser='chrome';result.version=this.extractVersion(navigator.userAgent,/Chrom(e|ium)\/(\d+)\./,2);}else{if(navigator.userAgent.match(/Version\/(\d+).(\d+)/)){result.browser='safari';result.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1);}else{result.browser='Unsupported webkit-based browser '+'with GUM support but no WebRTC support.';return result;}}}else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)){result.browser='edge';result.version=this.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2);}else if(navigator.mediaDevices&&navigator.userAgent.match(/AppleWebKit\/(\d+)\./)){result.browser='safari';result.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1);}else{result.browser='Not a supported browser.';return result;}
+return result;},shimCreateObjectURL:function(window){var URL=window&&window.URL;if(!(typeof window==='object'&&window.HTMLMediaElement&&'srcObject'in window.HTMLMediaElement.prototype)){return undefined;}
+var nativeCreateObjectURL=URL.createObjectURL.bind(URL);var nativeRevokeObjectURL=URL.revokeObjectURL.bind(URL);var streams=new Map(),newId=0;URL.createObjectURL=function(stream){if('getTracks'in stream){var url='polyblob:'+(++newId);streams.set(url,stream);utils.deprecated('URL.createObjectURL(stream)','elem.srcObject = stream');return url;}
+return nativeCreateObjectURL(stream);};URL.revokeObjectURL=function(url){nativeRevokeObjectURL(url);streams.delete(url);};var dsc=Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,'src');Object.defineProperty(window.HTMLMediaElement.prototype,'src',{get:function(){return dsc.get.apply(this);},set:function(url){this.srcObject=streams.get(url)||null;return dsc.set.apply(this,[url]);}});var nativeSetAttribute=window.HTMLMediaElement.prototype.setAttribute;window.HTMLMediaElement.prototype.setAttribute=function(){if(arguments.length===2&&(''+arguments[0]).toLowerCase()==='src'){this.srcObject=streams.get(arguments[1])||null;}
+return nativeSetAttribute.apply(this,arguments);};}};module.exports={log:utils.log,deprecated:utils.deprecated,disableLog:utils.disableLog,disableWarnings:utils.disableWarnings,extractVersion:utils.extractVersion,shimCreateObjectURL:utils.shimCreateObjectURL,detectBrowser:utils.detectBrowser.bind(utils)};},{}]},{},[2])(2)});
\ No newline at end of file
diff --git a/html5/verto/video_demo/js/verto-min.js b/html5/verto/video_demo/js/verto-min.js
index 694ac01301..db63a92e0d 100644
--- a/html5/verto/video_demo/js/verto-min.js
+++ b/html5/verto/video_demo/js/verto-min.js
@@ -22,7 +22,7 @@ function onChannelError(self,e){console.error("Channel Error",e);doCallback(self
 function onICESDP(self,sdp){self.mediaData.SDP=self.stereoHack(sdp.sdp);console.log("ICE SDP");doCallback(self,"onICESDP");}
 function onAnswerSDP(self,sdp){self.answer.SDP=self.stereoHack(sdp.sdp);console.log("ICE ANSWER SDP");doCallback(self,"onAnswerSDP",self.answer.SDP);}
 function onMessage(self,msg){console.log("Message");doCallback(self,"onICESDP",msg);}
-FSRTCattachMediaStream=function(element,stream){if(element&&element.id&&attachMediaStream){attachMediaStream(element,stream);}else{if(typeof element.srcObject!=='undefined'){element.srcObject=stream;}else if(typeof element.src!=='undefined'){element.src=URL.createObjectURL(stream);}else{console.error('Error attaching stream to element.');}}}
+FSRTCattachMediaStream=function(element,stream){if(typeof element.srcObject!=='undefined'){element.srcObject=stream;}else if(typeof element.src!=='undefined'){element.src=URL.createObjectURL(stream);}else{console.error('Error attaching stream to element.');}}
 function onRemoteStream(self,stream){if(self.options.useVideo){self.options.useVideo.style.display='block';}
 var element=self.options.useAudio;console.log("REMOTE STREAM",stream,element);FSRTCattachMediaStream(element,stream);self.options.useAudio.play();self.remoteStream=stream;}
 function onOfferSDP(self,sdp){self.mediaData.SDP=self.stereoHack(sdp.sdp);console.log("Offer SDP");doCallback(self,"onOfferSDP");}
@@ -307,4 +307,255 @@ navigator.getUserMedia({audio:(has_audio>0?true:false),video:(has_video>0?true:f
 navigator.mediaDevices.enumerateDevices().then(checkTypes).catch(handleError);};$.verto.refreshDevices=function(runtime){checkDevices(runtime);}
 $.verto.init=function(obj,runtime){if(!obj){obj={};}
 if(!obj.skipPermCheck&&!obj.skipDeviceCheck){$.FSRTC.checkPerms(function(status){checkDevices(runtime);},true,true);}else if(obj.skipPermCheck&&!obj.skipDeviceCheck){checkDevices(runtime);}else if(!obj.skipPermCheck&&obj.skipDeviceCheck){$.FSRTC.checkPerms(function(status){runtime(status);},true,true);}else{runtime(null);}}
-$.verto.genUUID=function(){return generateGUID();}})(jQuery);var AdapterJS=AdapterJS||{};AdapterJS.options=AdapterJS.options||{},AdapterJS.VERSION="0.14.1-6d236da",AdapterJS.onwebrtcready=AdapterJS.onwebrtcready||function(isUsingPlugin){},AdapterJS._onwebrtcreadies=[],AdapterJS.webRTCReady=function(baseCallback){if("function"!=typeof baseCallback)throw new Error("Callback provided is not a function");var callback=function(){"function"==typeof window.require&&"function"==typeof AdapterJS.defineMediaSourcePolyfill&&AdapterJS.defineMediaSourcePolyfill(),baseCallback(null!==AdapterJS.WebRTCPlugin.plugin)};!0===AdapterJS.onwebrtcreadyDone?callback():AdapterJS._onwebrtcreadies.push(callback)},AdapterJS.WebRTCPlugin=AdapterJS.WebRTCPlugin||{},AdapterJS.WebRTCPlugin.pluginInfo=AdapterJS.WebRTCPlugin.pluginInfo||{prefix:"Tem",plugName:"TemWebRTCPlugin",pluginId:"plugin0",type:"application/x-temwebrtcplugin",onload:"__TemWebRTCReady0",portalLink:"https://skylink.io/plugin/",downloadLink:null,companyName:"Temasys",downloadLinks:{mac:"https://bit.ly/webrtcpluginpkg",win:"https://bit.ly/webrtcpluginmsi"}},void 0!==AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks&&null!==AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks&&(navigator.platform.match(/^Mac/i)?AdapterJS.WebRTCPlugin.pluginInfo.downloadLink=AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks.mac:navigator.platform.match(/^Win/i)&&(AdapterJS.WebRTCPlugin.pluginInfo.downloadLink=AdapterJS.WebRTCPlugin.pluginInfo.downloadLinks.win)),AdapterJS.WebRTCPlugin.TAGS={NONE:"none",AUDIO:"audio",VIDEO:"video"},AdapterJS.WebRTCPlugin.pageId=Math.random().toString(36).slice(2),AdapterJS.WebRTCPlugin.plugin=null,AdapterJS.WebRTCPlugin.setLogLevel=null,AdapterJS.WebRTCPlugin.defineWebRTCInterface=null,AdapterJS.WebRTCPlugin.isPluginInstalled=null,AdapterJS.WebRTCPlugin.pluginInjectionInterval=null,AdapterJS.WebRTCPlugin.injectPlugin=null,AdapterJS.WebRTCPlugin.PLUGIN_STATES={NONE:0,INITIALIZING:1,INJECTING:2,INJECTED:3,READY:4},AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.NONE,AdapterJS.onwebrtcreadyDone=!1,AdapterJS.WebRTCPlugin.PLUGIN_LOG_LEVELS={NONE:"NONE",ERROR:"ERROR",WARNING:"WARNING",INFO:"INFO",VERBOSE:"VERBOSE",SENSITIVE:"SENSITIVE"},AdapterJS.WebRTCPlugin.WaitForPluginReady=null,AdapterJS.WebRTCPlugin.callWhenPluginReady=null,__TemWebRTCReady0=function(){if("complete"===document.readyState)AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY,AdapterJS.maybeThroughWebRTCReady();else var timer=setInterval(function(){"complete"===document.readyState&&(clearInterval(timer),AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY,AdapterJS.maybeThroughWebRTCReady())},100)},AdapterJS.maybeThroughWebRTCReady=function(){AdapterJS.onwebrtcreadyDone||(AdapterJS.onwebrtcreadyDone=!0,AdapterJS._onwebrtcreadies.length?AdapterJS._onwebrtcreadies.forEach(function(callback){"function"==typeof callback&&callback(null!==AdapterJS.WebRTCPlugin.plugin)}):"function"==typeof AdapterJS.onwebrtcready&&AdapterJS.onwebrtcready(null!==AdapterJS.WebRTCPlugin.plugin))},AdapterJS.TEXT={PLUGIN:{REQUIRE_INSTALLATION:"This website requires you to install a WebRTC-enabling plugin to work on this browser.",NOT_SUPPORTED:"Your browser does not support WebRTC.",BUTTON:"Install Now"},REFRESH:{REQUIRE_REFRESH:"Please refresh page",BUTTON:"Refresh Page"}},AdapterJS._iceConnectionStates={starting:"starting",checking:"checking",connected:"connected",completed:"connected",done:"completed",disconnected:"disconnected",failed:"failed",closed:"closed"},AdapterJS._iceConnectionFiredStates=[],AdapterJS.isDefined=null,AdapterJS.parseWebrtcDetectedBrowser=function(){var hasMatch=null;if(window.opr&&opr.addons||window.opera||navigator.userAgent.indexOf(" OPR/")>=0)hasMatch=navigator.userAgent.match(/OPR\/(\d+)/i)||[],webrtcDetectedBrowser="opera",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=26,webrtcDetectedType="webkit",webrtcDetectedDCSupport="SCTP";else if(navigator.userAgent.match(/Bowser\/[0-9.]*/g)){hasMatch=navigator.userAgent.match(/Bowser\/[0-9.]*/g)||[];var chromiumVersion=parseInt((navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./i)||[])[2]||"0",10);webrtcDetectedBrowser="bowser",webrtcDetectedVersion=parseFloat((hasMatch[0]||"0/0").split("/")[1],10),webrtcMinimumVersion=0,webrtcDetectedType="webkit",webrtcDetectedDCSupport=chromiumVersion>30?"SCTP":"RTP"}else if(navigator.userAgent.indexOf("OPiOS")>0)hasMatch=navigator.userAgent.match(/OPiOS\/([0-9]+)\./),webrtcDetectedBrowser="opera",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=0,webrtcDetectedType=null,webrtcDetectedDCSupport=null;else if(navigator.userAgent.indexOf("CriOS")>0)hasMatch=navigator.userAgent.match(/CriOS\/([0-9]+)\./)||[],webrtcDetectedBrowser="chrome",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=0,webrtcDetectedType=null,webrtcDetectedDCSupport=null;else if(navigator.userAgent.indexOf("FxiOS")>0)hasMatch=navigator.userAgent.match(/FxiOS\/([0-9]+)\./)||[],webrtcDetectedBrowser="firefox",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=0,webrtcDetectedType=null,webrtcDetectedDCSupport=null;else if(document.documentMode)hasMatch=/\brv[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedBrowser="IE",webrtcDetectedVersion=parseInt(hasMatch[1],10),webrtcMinimumVersion=9,webrtcDetectedType="plugin",webrtcDetectedDCSupport="SCTP",webrtcDetectedVersion||(hasMatch=/\bMSIE[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10));else if(window.StyleMedia||navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))hasMatch=navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)||[],webrtcDetectedBrowser="edge",webrtcDetectedVersion=parseFloat((hasMatch[0]||"0/0").split("/")[1],10),webrtcMinimumVersion=13.10547,webrtcDetectedType="ms",webrtcDetectedDCSupport=null;else if("undefined"!=typeof InstallTrigger||navigator.userAgent.indexOf("irefox")>0)hasMatch=navigator.userAgent.match(/Firefox\/([0-9]+)\./)||[],webrtcDetectedBrowser="firefox",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=33,webrtcDetectedType="moz",webrtcDetectedDCSupport="SCTP";else if(window.chrome&&window.chrome.webstore||navigator.userAgent.indexOf("Chrom")>0)hasMatch=navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./i)||[],webrtcDetectedBrowser="chrome",webrtcDetectedVersion=parseInt(hasMatch[2]||"0",10),webrtcMinimumVersion=38,webrtcDetectedType="webkit",webrtcDetectedDCSupport=webrtcDetectedVersion>30?"SCTP":"RTP";else if(/^((?!chrome|android).)*safari/i.test(navigator.userAgent)){hasMatch=navigator.userAgent.match(/version\/(\d+)/i)||[];var isMobile=navigator.userAgent.match(/(iPhone|iPad)/gi)||[];webrtcDetectedBrowser="safari",webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcMinimumVersion=7,webrtcDetectedType=0===isMobile.length?"plugin":null,webrtcDetectedDCSupport=0===isMobile.length?"SCTP":null}window.webrtcDetectedBrowser=webrtcDetectedBrowser,window.webrtcDetectedVersion=webrtcDetectedVersion,window.webrtcMinimumVersion=webrtcMinimumVersion,window.webrtcDetectedType=webrtcDetectedType,window.webrtcDetectedDCSupport=webrtcDetectedDCSupport},AdapterJS.addEvent=function(elem,evnt,func){elem.addEventListener?elem.addEventListener(evnt,func,!1):elem.attachEvent?elem.attachEvent("on"+evnt,func):elem[evnt]=func},AdapterJS.renderNotificationBar=function(message,buttonText,buttonCallback){if("complete"===document.readyState){var w=window,i=document.createElement("iframe");i.name="adapterjs-alert",i.style.position="fixed",i.style.top="-41px",i.style.left=0,i.style.right=0,i.style.width="100%",i.style.height="40px",i.style.backgroundColor="#ffffe1",i.style.border="none",i.style.borderBottom="1px solid #888888",i.style.zIndex="9999999","string"==typeof i.style.webkitTransition?i.style.webkitTransition="all .5s ease-out":"string"==typeof i.style.transition&&(i.style.transition="all .5s ease-out"),document.body.appendChild(i);var c=i.contentWindow?i.contentWindow:i.contentDocument.document?i.contentDocument.document:i.contentDocument;c.document.open(),c.document.write('<span style="display: inline-block; font-family: Helvetica, Arial,sans-serif; font-size: .9rem; padding: 4px; vertical-align: middle; cursor: default;">'+message+"</span>"),buttonText&&"function"==typeof buttonCallback?(c.document.write('<button id="okay">'+buttonText+'</button><button id="cancel">Cancel</button>'),c.document.close(),AdapterJS.addEvent(c.document.getElementById("okay"),"click",function(e){e.preventDefault();try{e.cancelBubble=!0}catch(error){}buttonCallback(e)}),AdapterJS.addEvent(c.document.getElementById("cancel"),"click",function(e){w.document.body.removeChild(i)})):c.document.close(),setTimeout(function(){"string"==typeof i.style.webkitTransform?i.style.webkitTransform="translateY(40px)":"string"==typeof i.style.transform?i.style.transform="translateY(40px)":i.style.top="0px"},300)}},webrtcDetectedType=null,checkMediaDataChannelSettings=function(peerBrowserAgent,peerBrowserVersion,callback,constraints){if("function"==typeof callback){var beOfferer=!0,isLocalFirefox="firefox"===webrtcDetectedBrowser,isLocalFirefoxInterop="moz"===webrtcDetectedType&&webrtcDetectedVersion>30,isPeerFirefox="firefox"===peerBrowserAgent;if(isLocalFirefox&&isPeerFirefox||isLocalFirefoxInterop)try{delete constraints.mandatory.MozDontOfferDataChannel}catch(error){}else isLocalFirefox&&!isPeerFirefox&&(constraints.mandatory.MozDontOfferDataChannel=!0);if(!isLocalFirefox)for(var prop in constraints.mandatory)constraints.mandatory.hasOwnProperty(prop)&&-1!==prop.indexOf("Moz")&&delete constraints.mandatory[prop];!isLocalFirefox||isPeerFirefox||isLocalFirefoxInterop||(beOfferer=!1),callback(beOfferer,constraints)}},checkIceConnectionState=function(peerId,iceConnectionState,callback){"function"==typeof callback&&(peerId=peerId||"peer",AdapterJS._iceConnectionFiredStates[peerId]&&iceConnectionState!==AdapterJS._iceConnectionStates.disconnected&&iceConnectionState!==AdapterJS._iceConnectionStates.failed&&iceConnectionState!==AdapterJS._iceConnectionStates.closed||(AdapterJS._iceConnectionFiredStates[peerId]=[]),iceConnectionState=AdapterJS._iceConnectionStates[iceConnectionState],AdapterJS._iceConnectionFiredStates[peerId].indexOf(iceConnectionState)<0&&(AdapterJS._iceConnectionFiredStates[peerId].push(iceConnectionState),iceConnectionState===AdapterJS._iceConnectionStates.connected&&setTimeout(function(){AdapterJS._iceConnectionFiredStates[peerId].push(AdapterJS._iceConnectionStates.done),callback(AdapterJS._iceConnectionStates.done)},1e3),callback(iceConnectionState)))},createIceServer=null,createIceServers=null,RTCPeerConnection="function"==typeof RTCPeerConnection?RTCPeerConnection:null,RTCSessionDescription="function"==typeof RTCSessionDescription?RTCSessionDescription:null,RTCIceCandidate="function"==typeof RTCIceCandidate?RTCIceCandidate:null,getUserMedia=null,attachMediaStream=null,reattachMediaStream=null,webrtcDetectedBrowser=null,webrtcDetectedVersion=null,webrtcMinimumVersion=null,!(navigator.mozGetUserMedia||navigator.webkitGetUserMedia||navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))||0===(navigator.userAgent.match(/android/gi)||[]).length&&0===(navigator.userAgent.match(/chrome/gi)||[]).length&&navigator.userAgent.indexOf("Safari/")>0?("object"==typeof console&&"function"==typeof console.log||(console={}||console,console.log=function(arg){},console.info=function(arg){},console.error=function(arg){},console.dir=function(arg){},console.exception=function(arg){},console.trace=function(arg){},console.warn=function(arg){},console.count=function(arg){},console.debug=function(arg){},console.count=function(arg){},console.time=function(arg){},console.timeEnd=function(arg){},console.group=function(arg){},console.groupCollapsed=function(arg){},console.groupEnd=function(arg){}),AdapterJS.parseWebrtcDetectedBrowser(),isIE="IE"===webrtcDetectedBrowser,AdapterJS.WebRTCPlugin.WaitForPluginReady=function(){for(;AdapterJS.WebRTCPlugin.pluginState!==AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY;);},AdapterJS.WebRTCPlugin.callWhenPluginReady=function(callback){if(AdapterJS.WebRTCPlugin.pluginState===AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY)callback();else var checkPluginReadyState=setInterval(function(){AdapterJS.WebRTCPlugin.pluginState===AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY&&(clearInterval(checkPluginReadyState),callback())},100)},AdapterJS.WebRTCPlugin.setLogLevel=function(logLevel){AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.setLogLevel(logLevel)})},AdapterJS.WebRTCPlugin.injectPlugin=function(){if("complete"===document.readyState&&AdapterJS.WebRTCPlugin.pluginState===AdapterJS.WebRTCPlugin.PLUGIN_STATES.INITIALIZING){if(AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.INJECTING,"IE"===webrtcDetectedBrowser&&webrtcDetectedVersion<=10){var frag=document.createDocumentFragment();for(AdapterJS.WebRTCPlugin.plugin=document.createElement("div"),AdapterJS.WebRTCPlugin.plugin.innerHTML='<object id="'+AdapterJS.WebRTCPlugin.pluginInfo.pluginId+'" type="'+AdapterJS.WebRTCPlugin.pluginInfo.type+'" width="1" height="1"><param name="pluginId" value="'+AdapterJS.WebRTCPlugin.pluginInfo.pluginId+'" /> <param name="windowless" value="false" /> <param name="pageId" value="'+AdapterJS.WebRTCPlugin.pageId+'" /> <param name="onload" value="'+AdapterJS.WebRTCPlugin.pluginInfo.onload+'" /><param name="tag" value="'+AdapterJS.WebRTCPlugin.TAGS.NONE+'" />'+(AdapterJS.options.getAllCams?'<param name="forceGetAllCams" value="True" />':"")+"</object>";AdapterJS.WebRTCPlugin.plugin.firstChild;)frag.appendChild(AdapterJS.WebRTCPlugin.plugin.firstChild);document.body.appendChild(frag),AdapterJS.WebRTCPlugin.plugin=document.getElementById(AdapterJS.WebRTCPlugin.pluginInfo.pluginId)}else AdapterJS.WebRTCPlugin.plugin=document.createElement("object"),AdapterJS.WebRTCPlugin.plugin.id=AdapterJS.WebRTCPlugin.pluginInfo.pluginId,isIE?(AdapterJS.WebRTCPlugin.plugin.width="1px",AdapterJS.WebRTCPlugin.plugin.height="1px"):(AdapterJS.WebRTCPlugin.plugin.width="0px",AdapterJS.WebRTCPlugin.plugin.height="0px"),AdapterJS.WebRTCPlugin.plugin.type=AdapterJS.WebRTCPlugin.pluginInfo.type,AdapterJS.WebRTCPlugin.plugin.innerHTML='<param name="onload" value="'+AdapterJS.WebRTCPlugin.pluginInfo.onload+'"><param name="pluginId" value="'+AdapterJS.WebRTCPlugin.pluginInfo.pluginId+'"><param name="windowless" value="false" /> '+(AdapterJS.options.getAllCams?'<param name="forceGetAllCams" value="True" />':"")+'<param name="pageId" value="'+AdapterJS.WebRTCPlugin.pageId+'"><param name="tag" value="'+AdapterJS.WebRTCPlugin.TAGS.NONE+'" />',document.body.appendChild(AdapterJS.WebRTCPlugin.plugin);AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.INJECTED}},AdapterJS.WebRTCPlugin.isPluginInstalled=function(comName,plugName,plugType,installedCb,notInstalledCb){if(isIE){try{new ActiveXObject(comName+"."+plugName)}catch(e){return void notInstalledCb()}installedCb()}else{for(var pluginArray=navigator.mimeTypes,i=0;i<pluginArray.length;i++)if(pluginArray[i].type.indexOf(plugType)>=0)return void installedCb();notInstalledCb()}},AdapterJS.WebRTCPlugin.defineWebRTCInterface=function(){if(AdapterJS.WebRTCPlugin.pluginState!==AdapterJS.WebRTCPlugin.PLUGIN_STATES.READY){AdapterJS.WebRTCPlugin.pluginState=AdapterJS.WebRTCPlugin.PLUGIN_STATES.INITIALIZING,AdapterJS.isDefined=function(variable){return null!==variable&&void 0!==variable},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");return 0===urlParts[0].indexOf("stun")?iceServer={url:url,hasCredentials:!1}:0===urlParts[0].indexOf("turn")&&(iceServer={url:url,hasCredentials:!0,credential:password,username:username}),iceServer},createIceServers=function(urls,username,password){for(var iceServers=[],i=0;i<urls.length;++i)iceServers.push(createIceServer(urls[i],username,password));return iceServers},RTCSessionDescription=function(info){return AdapterJS.WebRTCPlugin.WaitForPluginReady(),AdapterJS.WebRTCPlugin.plugin.ConstructSessionDescription(info.type,info.sdp)},RTCPeerConnection=function(servers,constraints){if(void 0!==servers&&null!==servers&&!Array.isArray(servers.iceServers))throw new Error("Failed to construct 'RTCPeerConnection': Malformed RTCConfiguration");if(void 0!==constraints&&null!==constraints){var invalidConstraits=!1;if(invalidConstraits|="object"!=typeof constraints,invalidConstraits|=constraints.hasOwnProperty("mandatory")&&void 0!==constraints.mandatory&&null!==constraints.mandatory&&constraints.mandatory.constructor!==Object,invalidConstraits|=constraints.hasOwnProperty("optional")&&void 0!==constraints.optional&&null!==constraints.optional&&!Array.isArray(constraints.optional))throw new Error("Failed to construct 'RTCPeerConnection': Malformed constraints object")}AdapterJS.WebRTCPlugin.WaitForPluginReady();var iceServers=null;if(servers&&Array.isArray(servers.iceServers)){iceServers=servers.iceServers;for(var i=0;i<iceServers.length;i++)iceServers[i].urls&&!iceServers[i].url&&(iceServers[i].url=iceServers[i].urls),iceServers[i].hasCredentials=AdapterJS.isDefined(iceServers[i].username)&&AdapterJS.isDefined(iceServers[i].credential)}if(AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION&&AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION>1)return iceServers&&(servers.iceServers=iceServers),AdapterJS.WebRTCPlugin.plugin.PeerConnection(servers);var mandatory=constraints&&constraints.mandatory?constraints.mandatory:null,optional=constraints&&constraints.optional?constraints.optional:null;return AdapterJS.WebRTCPlugin.plugin.PeerConnection(AdapterJS.WebRTCPlugin.pageId,iceServers,mandatory,optional)},MediaStreamTrack=function(){},MediaStreamTrack.getSources=function(callback){AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.GetSources(callback)})};var constraintsToPlugin=function(c){if("object"!=typeof c||c.mandatory||c.optional)return c;var cc={};return Object.keys(c).forEach(function(key){if("require"!==key&&"advanced"!==key&&"mediaSource"!==key){var r="object"==typeof c[key]?c[key]:{ideal:c[key]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);var oldname=function(prefix,name){return prefix?prefix+name.charAt(0).toUpperCase()+name.slice(1):"deviceId"===name?"sourceId":name};if(void 0!==r.ideal){cc.optional=cc.optional||[];var oc={};"number"==typeof r.ideal?(oc[oldname("min",key)]=r.ideal,cc.optional.push(oc),oc={},oc[oldname("max",key)]=r.ideal,cc.optional.push(oc)):(oc[oldname("",key)]=r.ideal,cc.optional.push(oc))}void 0!==r.exact&&"number"!=typeof r.exact?(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname("",key)]=r.exact):["min","max"].forEach(function(mix){void 0!==r[mix]&&(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname(mix,key)]=r[mix])})}}),c.advanced&&(cc.optional=(cc.optional||[]).concat(c.advanced)),cc};getUserMedia=function(constraints,successCallback,failureCallback){var cc={};cc.audio=!!constraints.audio&&constraintsToPlugin(constraints.audio),cc.video=!!constraints.video&&constraintsToPlugin(constraints.video),AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.getUserMedia(cc,successCallback,failureCallback)})},window.navigator.getUserMedia=getUserMedia,navigator.mediaDevices||"undefined"==typeof Promise||(requestUserMedia=function(constraints){return new Promise(function(resolve,reject){getUserMedia(constraints,resolve,reject)})},navigator.mediaDevices={getUserMedia:requestUserMedia,enumerateDevices:function(){return new Promise(function(resolve){var kinds={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(devices){resolve(devices.map(function(device){return{label:device.label,kind:kinds[device.kind],id:device.id,deviceId:device.id,groupId:""}}))})})}}),attachMediaStream=function(element,stream){if(element&&element.parentNode){var streamId;null===stream?streamId="":(void 0!==stream.enableSoundTracks&&stream.enableSoundTracks(!0),streamId=stream.id);var elementId=0===element.id.length?Math.random().toString(36).slice(2):element.id,nodeName=element.nodeName.toLowerCase();if("object"!==nodeName){var tag;switch(nodeName){case"audio":tag=AdapterJS.WebRTCPlugin.TAGS.AUDIO;break;case"video":tag=AdapterJS.WebRTCPlugin.TAGS.VIDEO;break;default:tag=AdapterJS.WebRTCPlugin.TAGS.NONE}var frag=document.createDocumentFragment(),temp=document.createElement("div"),classHTML="";for(element.className?classHTML='class="'+element.className+'" ':element.attributes&&element.attributes.class&&(classHTML='class="'+element.attributes.class.value+'" '),temp.innerHTML='<object id="'+elementId+'" '+classHTML+'type="'+AdapterJS.WebRTCPlugin.pluginInfo.type+'"><param name="pluginId" value="'+elementId+'" /> <param name="pageId" value="'+AdapterJS.WebRTCPlugin.pageId+'" /> <param name="windowless" value="true" /> <param name="streamId" value="'+streamId+'" /> <param name="tag" value="'+tag+'" /> </object>';temp.firstChild;)frag.appendChild(temp.firstChild);var height="",width="";element.clientWidth||element.clientHeight?(width=element.clientWidth,height=element.clientHeight):(element.width||element.height)&&(width=element.width,height=element.height),element.parentNode.insertBefore(frag,element),frag=document.getElementById(elementId),frag.width=width,frag.height=height,element.parentNode.removeChild(element)}else{for(var children=element.children,i=0;i!==children.length;++i)if("streamId"===children[i].name){children[i].value=streamId;break}element.setStreamId(streamId)}var newElement=document.getElementById(elementId);return AdapterJS.forwardEventHandlers(newElement,element,Object.getPrototypeOf(element)),newElement}},reattachMediaStream=function(to,from){for(var stream=null,children=from.children,i=0;i!==children.length;++i)if("streamId"===children[i].name){AdapterJS.WebRTCPlugin.WaitForPluginReady(),stream=AdapterJS.WebRTCPlugin.plugin.getStreamWithId(AdapterJS.WebRTCPlugin.pageId,children[i].value);break}if(null!==stream)return attachMediaStream(to,stream)},window.attachMediaStream=attachMediaStream,window.reattachMediaStream=reattachMediaStream,window.getUserMedia=getUserMedia,AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,AdapterJS.forwardEventHandlers=function(destElem,srcElem,prototype){var properties=Object.getOwnPropertyNames(prototype);for(var prop in properties)if(prop){var propName=properties[prop];"function"==typeof propName.slice&&"on"===propName.slice(0,2)&&"function"==typeof srcElem[propName]&&AdapterJS.addEvent(destElem,propName.slice(2),srcElem[propName])}var subPrototype=Object.getPrototypeOf(prototype);subPrototype&&AdapterJS.forwardEventHandlers(destElem,srcElem,subPrototype)},RTCIceCandidate=function(candidate){return candidate.sdpMid||(candidate.sdpMid=""),AdapterJS.WebRTCPlugin.WaitForPluginReady(),AdapterJS.WebRTCPlugin.plugin.ConstructIceCandidate(candidate.sdpMid,candidate.sdpMLineIndex,candidate.candidate)},AdapterJS.addEvent(document,"readystatechange",AdapterJS.WebRTCPlugin.injectPlugin),AdapterJS.WebRTCPlugin.injectPlugin()}},AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb=AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb||function(){AdapterJS.addEvent(document,"readystatechange",AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv),AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv()},AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCbPriv=function(){if(!AdapterJS.options.hidePluginInstallPrompt){var downloadLink=AdapterJS.WebRTCPlugin.pluginInfo.downloadLink;if(downloadLink){var popupString;popupString=AdapterJS.WebRTCPlugin.pluginInfo.portalLink?'This website requires you to install the  <a href="'+AdapterJS.WebRTCPlugin.pluginInfo.portalLink+'" target="_blank">'+AdapterJS.WebRTCPlugin.pluginInfo.companyName+" WebRTC Plugin</a> to work on this browser.":AdapterJS.TEXT.PLUGIN.REQUIRE_INSTALLATION,AdapterJS.renderNotificationBar(popupString,AdapterJS.TEXT.PLUGIN.BUTTON,function(){window.open(downloadLink,"_top");var pluginInstallInterval=setInterval(function(){isIE||navigator.plugins.refresh(!1),AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,AdapterJS.WebRTCPlugin.pluginInfo.type,function(){clearInterval(pluginInstallInterval),AdapterJS.WebRTCPlugin.defineWebRTCInterface()},function(){})},500)})}else AdapterJS.renderNotificationBar(AdapterJS.TEXT.PLUGIN.NOT_SUPPORTED)}},AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,AdapterJS.WebRTCPlugin.pluginInfo.type,AdapterJS.WebRTCPlugin.defineWebRTCInterface,AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb)):(!function(f){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=f();else if("function"==typeof define&&define.amd)define([],f);else{var g;g="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,g.adapter=f()}}(function(){return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a="function"==typeof require&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n||e)},l,l.exports,e,t,n,r)}return n[o].exports}for(var i="function"==typeof require&&require,o=0;o<r.length;o++)s(r[o]);return s}({1:[function(requirecopy,module,exports){"use strict";var SDPUtils={};SDPUtils.generateIdentifier=function(){return Math.random().toString(36).substr(2,10)},SDPUtils.localCName=SDPUtils.generateIdentifier(),SDPUtils.splitLines=function(blob){return blob.trim().split("\n").map(function(line){return line.trim()})},SDPUtils.splitSections=function(blob){return blob.split("\nm=").map(function(part,index){return(index>0?"m="+part:part).trim()+"\r\n"})},SDPUtils.matchPrefix=function(blob,prefix){return SDPUtils.splitLines(blob).filter(function(line){return 0===line.indexOf(prefix)})},SDPUtils.parseCandidate=function(line){var parts;parts=0===line.indexOf("a=candidate:")?line.substring(12).split(" "):line.substring(10).split(" ");for(var candidate={foundation:parts[0],component:parts[1],protocol:parts[2].toLowerCase(),priority:parseInt(parts[3],10),ip:parts[4],port:parseInt(parts[5],10),type:parts[7]},i=8;i<parts.length;i+=2)switch(parts[i]){case"raddr":candidate.relatedAddress=parts[i+1];break;case"rport":candidate.relatedPort=parseInt(parts[i+1],10);break;case"tcptype":candidate.tcpType=parts[i+1]}return candidate},SDPUtils.writeCandidate=function(candidate){var sdp=[];sdp.push(candidate.foundation),sdp.push(candidate.component),sdp.push(candidate.protocol.toUpperCase()),sdp.push(candidate.priority),sdp.push(candidate.ip),sdp.push(candidate.port);var type=candidate.type;return sdp.push("typ"),sdp.push(type),"host"!==type&&candidate.relatedAddress&&candidate.relatedPort&&(sdp.push("raddr"),sdp.push(candidate.relatedAddress),sdp.push("rport"),sdp.push(candidate.relatedPort)),candidate.tcpType&&"tcp"===candidate.protocol.toLowerCase()&&(sdp.push("tcptype"),sdp.push(candidate.tcpType)),"candidate:"+sdp.join(" ")},SDPUtils.parseRtpMap=function(line){var parts=line.substr(9).split(" "),parsed={payloadType:parseInt(parts.shift(),10)};return parts=parts[0].split("/"),parsed.name=parts[0],parsed.clockRate=parseInt(parts[1],10),parsed.numChannels=3===parts.length?parseInt(parts[2],10):1,parsed},SDPUtils.writeRtpMap=function(codec){var pt=codec.payloadType;return void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),"a=rtpmap:"+pt+" "+codec.name+"/"+codec.clockRate+(1!==codec.numChannels?"/"+codec.numChannels:"")+"\r\n"},SDPUtils.parseExtmap=function(line){var parts=line.substr(9).split(" ");return{id:parseInt(parts[0],10),uri:parts[1]}},SDPUtils.writeExtmap=function(headerExtension){return"a=extmap:"+(headerExtension.id||headerExtension.preferredId)+" "+headerExtension.uri+"\r\n"},SDPUtils.parseFmtp=function(line){for(var kv,parsed={},parts=line.substr(line.indexOf(" ")+1).split(";"),j=0;j<parts.length;j++)kv=parts[j].trim().split("="),parsed[kv[0].trim()]=kv[1];return parsed},SDPUtils.writeFmtp=function(codec){var line="",pt=codec.payloadType;if(void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),codec.parameters&&Object.keys(codec.parameters).length){var params=[];Object.keys(codec.parameters).forEach(function(param){params.push(param+"="+codec.parameters[param])}),line+="a=fmtp:"+pt+" "+params.join(";")+"\r\n"}return line},SDPUtils.parseRtcpFb=function(line){var parts=line.substr(line.indexOf(" ")+1).split(" ");return{type:parts.shift(),parameter:parts.join(" ")}},SDPUtils.writeRtcpFb=function(codec){var lines="",pt=codec.payloadType;return void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),codec.rtcpFeedback&&codec.rtcpFeedback.length&&codec.rtcpFeedback.forEach(function(fb){lines+="a=rtcp-fb:"+pt+" "+fb.type+(fb.parameter&&fb.parameter.length?" "+fb.parameter:"")+"\r\n"}),lines},SDPUtils.parseSsrcMedia=function(line){var sp=line.indexOf(" "),parts={ssrc:parseInt(line.substr(7,sp-7),10)},colon=line.indexOf(":",sp);return colon>-1?(parts.attribute=line.substr(sp+1,colon-sp-1),parts.value=line.substr(colon+1)):parts.attribute=line.substr(sp+1),parts},SDPUtils.getMid=function(mediaSection){var mid=SDPUtils.matchPrefix(mediaSection,"a=mid:")[0];if(mid)return mid.substr(6)},SDPUtils.getDtlsParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);lines=lines.concat(SDPUtils.splitLines(sessionpart));var fpLine=lines.filter(function(line){return 0===line.indexOf("a=fingerprint:")})[0].substr(14);return{role:"auto",fingerprints:[{algorithm:fpLine.split(" ")[0].toLowerCase(),value:fpLine.split(" ")[1]}]}},SDPUtils.writeDtlsParameters=function(params,setupType){var sdp="a=setup:"+setupType+"\r\n";return params.fingerprints.forEach(function(fp){sdp+="a=fingerprint:"+fp.algorithm+" "+fp.value+"\r\n"}),sdp},SDPUtils.getIceParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);return lines=lines.concat(SDPUtils.splitLines(sessionpart)),{usernameFragment:lines.filter(function(line){return 0===line.indexOf("a=ice-ufrag:")})[0].substr(12),password:lines.filter(function(line){return 0===line.indexOf("a=ice-pwd:")})[0].substr(10)}},SDPUtils.writeIceParameters=function(params){return"a=ice-ufrag:"+params.usernameFragment+"\r\na=ice-pwd:"+params.password+"\r\n"},SDPUtils.parseRtpParameters=function(mediaSection){for(var description={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},lines=SDPUtils.splitLines(mediaSection),mline=lines[0].split(" "),i=3;i<mline.length;i++){var pt=mline[i],rtpmapline=SDPUtils.matchPrefix(mediaSection,"a=rtpmap:"+pt+" ")[0];if(rtpmapline){var codec=SDPUtils.parseRtpMap(rtpmapline),fmtps=SDPUtils.matchPrefix(mediaSection,"a=fmtp:"+pt+" ");switch(codec.parameters=fmtps.length?SDPUtils.parseFmtp(fmtps[0]):{},codec.rtcpFeedback=SDPUtils.matchPrefix(mediaSection,"a=rtcp-fb:"+pt+" ").map(SDPUtils.parseRtcpFb),description.codecs.push(codec),codec.name.toUpperCase()){case"RED":case"ULPFEC":description.fecMechanisms.push(codec.name.toUpperCase())}}}return SDPUtils.matchPrefix(mediaSection,"a=extmap:").forEach(function(line){description.headerExtensions.push(SDPUtils.parseExtmap(line))}),description},SDPUtils.writeRtpDescription=function(kind,caps){var sdp="";sdp+="m="+kind+" ",sdp+=caps.codecs.length>0?"9":"0",sdp+=" UDP/TLS/RTP/SAVPF ",sdp+=caps.codecs.map(function(codec){return void 0!==codec.preferredPayloadType?codec.preferredPayloadType:codec.payloadType}).join(" ")+"\r\n",sdp+="c=IN IP4 0.0.0.0\r\n",sdp+="a=rtcp:9 IN IP4 0.0.0.0\r\n",caps.codecs.forEach(function(codec){sdp+=SDPUtils.writeRtpMap(codec),sdp+=SDPUtils.writeFmtp(codec),sdp+=SDPUtils.writeRtcpFb(codec)});var maxptime=0;return caps.codecs.forEach(function(codec){codec.maxptime>maxptime&&(maxptime=codec.maxptime)}),maxptime>0&&(sdp+="a=maxptime:"+maxptime+"\r\n"),sdp+="a=rtcp-mux\r\n",caps.headerExtensions.forEach(function(extension){sdp+=SDPUtils.writeExtmap(extension)}),sdp},SDPUtils.parseRtpEncodingParameters=function(mediaSection){var secondarySsrc,encodingParameters=[],description=SDPUtils.parseRtpParameters(mediaSection),hasRed=-1!==description.fecMechanisms.indexOf("RED"),hasUlpfec=-1!==description.fecMechanisms.indexOf("ULPFEC"),ssrcs=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(parts){return"cname"===parts.attribute}),primarySsrc=ssrcs.length>0&&ssrcs[0].ssrc,flows=SDPUtils.matchPrefix(mediaSection,"a=ssrc-group:FID").map(function(line){var parts=line.split(" ");return parts.shift(),parts.map(function(part){return parseInt(part,10)})});flows.length>0&&flows[0].length>1&&flows[0][0]===primarySsrc&&(secondarySsrc=flows[0][1]),description.codecs.forEach(function(codec){if("RTX"===codec.name.toUpperCase()&&codec.parameters.apt){var encParam={ssrc:primarySsrc,codecPayloadType:parseInt(codec.parameters.apt,10),rtx:{ssrc:secondarySsrc}};encodingParameters.push(encParam),hasRed&&(encParam=JSON.parse(JSON.stringify(encParam)),encParam.fec={ssrc:secondarySsrc,mechanism:hasUlpfec?"red+ulpfec":"red"},encodingParameters.push(encParam))}}),0===encodingParameters.length&&primarySsrc&&encodingParameters.push({ssrc:primarySsrc});var bandwidth=SDPUtils.matchPrefix(mediaSection,"b=");return bandwidth.length&&(0===bandwidth[0].indexOf("b=TIAS:")?bandwidth=parseInt(bandwidth[0].substr(7),10):0===bandwidth[0].indexOf("b=AS:")&&(bandwidth=parseInt(bandwidth[0].substr(5),10)),encodingParameters.forEach(function(params){params.maxBitrate=bandwidth})),encodingParameters},SDPUtils.parseRtcpParameters=function(mediaSection){var rtcpParameters={},remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return"cname"===obj.attribute})[0];remoteSsrc&&(rtcpParameters.cname=remoteSsrc.value,rtcpParameters.ssrc=remoteSsrc.ssrc);var rsize=SDPUtils.matchPrefix(mediaSection,"a=rtcp-rsize");rtcpParameters.reducedSize=rsize.length>0,rtcpParameters.compound=0===rsize.length;var mux=SDPUtils.matchPrefix(mediaSection,"a=rtcp-mux");return rtcpParameters.mux=mux.length>0,rtcpParameters},SDPUtils.parseMsid=function(mediaSection){var parts,spec=SDPUtils.matchPrefix(mediaSection,"a=msid:");if(1===spec.length)return parts=spec[0].substr(7).split(" "),{stream:parts[0],track:parts[1]};var planB=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(parts){return"msid"===parts.attribute});return planB.length>0?(parts=planB[0].value.split(" "),{stream:parts[0],track:parts[1]}):void 0},SDPUtils.writeSessionBoilerplate=function(){return"v=0\r\no=thisisadapterortc 8169639915646943137 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},SDPUtils.writeMediaSection=function(transceiver,caps,type,stream){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);if(sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters()),sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),"offer"===type?"actpass":"active"),sdp+="a=mid:"+transceiver.mid+"\r\n",transceiver.rtpSender&&transceiver.rtpReceiver?sdp+="a=sendrecv\r\n":transceiver.rtpSender?sdp+="a=sendonly\r\n":transceiver.rtpReceiver?sdp+="a=recvonly\r\n":sdp+="a=inactive\r\n",transceiver.rtpSender){var msid="msid:"+stream.id+" "+transceiver.rtpSender.track.id+"\r\n";sdp+="a="+msid,sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" "+msid,transceiver.sendEncodingParameters[0].rtx&&(sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" "+msid,sdp+="a=ssrc-group:FID "+transceiver.sendEncodingParameters[0].ssrc+" "+transceiver.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" cname:"+SDPUtils.localCName+"\r\n",transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx&&(sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" cname:"+SDPUtils.localCName+"\r\n"),sdp},SDPUtils.getDirection=function(mediaSection,sessionpart){for(var lines=SDPUtils.splitLines(mediaSection),i=0;i<lines.length;i++)switch(lines[i]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return lines[i].substr(2)}return sessionpart?SDPUtils.getDirection(sessionpart):"sendrecv"},SDPUtils.getKind=function(mediaSection){return SDPUtils.splitLines(mediaSection)[0].split(" ")[0].substr(2)},SDPUtils.isRejected=function(mediaSection){return"0"===mediaSection.split(" ",2)[1]},module.exports=SDPUtils},{}],2:[function(requirecopy,module,exports){"use strict";!function(){var logging=requirecopy("./utils").log,browserDetails=requirecopy("./utils").browserDetails;module.exports.browserDetails=browserDetails,module.exports.extractVersion=requirecopy("./utils").extractVersion,module.exports.disableLog=requirecopy("./utils").disableLog;var chromeShim=requirecopy("./chrome/chrome_shim")||null,edgeShim=requirecopy("./edge/edge_shim")||null,firefoxShim=requirecopy("./firefox/firefox_shim")||null,safariShim=requirecopy("./safari/safari_shim")||null;switch(browserDetails.browser){case"opera":case"chrome":if(!chromeShim||!chromeShim.shimPeerConnection)return void logging("Chrome shim is not included in this adapter release.");logging("adapter.js shimming chrome."),module.exports.browserShim=chromeShim,chromeShim.shimGetUserMedia(),chromeShim.shimMediaStream(),chromeShim.shimSourceObject(),chromeShim.shimPeerConnection(),chromeShim.shimOnTrack();break;case"firefox":if(!firefoxShim||!firefoxShim.shimPeerConnection)return void logging("Firefox shim is not included in this adapter release.");logging("adapter.js shimming firefox."),module.exports.browserShim=firefoxShim,firefoxShim.shimGetUserMedia(),firefoxShim.shimSourceObject(),firefoxShim.shimPeerConnection(),firefoxShim.shimOnTrack();break;case"edge":if(!edgeShim||!edgeShim.shimPeerConnection)return void logging("MS edge shim is not included in this adapter release.");logging("adapter.js shimming edge."),module.exports.browserShim=edgeShim,edgeShim.shimGetUserMedia(),edgeShim.shimPeerConnection();break;case"safari":if(!safariShim)return void logging("Safari shim is not included in this adapter release.");logging("adapter.js shimming safari."),module.exports.browserShim=safariShim,safariShim.shimGetUserMedia();break;default:logging("Unsupported browser!")}}()},{"./chrome/chrome_shim":3,"./edge/edge_shim":5,"./firefox/firefox_shim":7,"./safari/safari_shim":9,"./utils":10}],3:[function(requirecopy,module,exports){"use strict";var logging=requirecopy("../utils.js").log,browserDetails=requirecopy("../utils.js").browserDetails,chromeShim={shimMediaStream:function(){window.MediaStream=window.MediaStream||window.webkitMediaStream},shimOnTrack:function(){"object"!=typeof window||!window.RTCPeerConnection||"ontrack"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(f){var self=this;this._ontrack&&(this.removeEventListener("track",this._ontrack),this.removeEventListener("addstream",this._ontrackpoly)),this.addEventListener("track",this._ontrack=f),this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.addEventListener("addtrack",function(te){var event=new Event("track");event.track=te.track,event.receiver={track:te.track},event.streams=[e.stream],self.dispatchEvent(event)}),e.stream.getTracks().forEach(function(track){var event=new Event("track");event.track=track,event.receiver={track:track},event.streams=[e.stream],this.dispatchEvent(event)}.bind(this))}.bind(this))}})},shimSourceObject:function(){"object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this._srcObject},set:function(stream){var self=this;if(this._srcObject=stream,this.src&&URL.revokeObjectURL(this.src),!stream)return void(this.src="");this.src=URL.createObjectURL(stream),stream.addEventListener("addtrack",function(){self.src&&URL.revokeObjectURL(self.src),self.src=URL.createObjectURL(stream)}),stream.addEventListener("removetrack",function(){self.src&&URL.revokeObjectURL(self.src),self.src=URL.createObjectURL(stream)})}}))},shimPeerConnection:function(){window.RTCPeerConnection=function(pcConfig,pcConstraints){logging("PeerConnection"),pcConfig&&pcConfig.iceTransportPolicy&&(pcConfig.iceTransports=pcConfig.iceTransportPolicy);var pc=new webkitRTCPeerConnection(pcConfig,pcConstraints),origGetStats=pc.getStats.bind(pc);return pc.getStats=function(selector,successCallback,errorCallback){var self=this,args=arguments;if(arguments.length>0&&"function"==typeof selector)return origGetStats(selector,successCallback);var fixChromeStats_=function(response){var standardReport={};return response.result().forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name)}),standardReport[standardStats.id]=standardStats}),standardReport},makeMapStats=function(stats,legacyStats){var map=new Map(Object.keys(stats).map(function(key){return[key,stats[key]]}));return legacyStats=legacyStats||stats,Object.keys(legacyStats).forEach(function(key){map[key]=legacyStats[key]}),map};if(arguments.length>=2){var successCallbackWrapper_=function(response){args[1](makeMapStats(fixChromeStats_(response)))};return origGetStats.apply(this,[successCallbackWrapper_,arguments[0]])}return new Promise(function(resolve,reject){1===args.length&&"object"==typeof selector?origGetStats.apply(self,[function(response){resolve(makeMapStats(fixChromeStats_(response)))},reject]):origGetStats.apply(self,[function(response){resolve(makeMapStats(fixChromeStats_(response),response.result()))},reject])}).then(successCallback,errorCallback)},pc},window.RTCPeerConnection.prototype=webkitRTCPeerConnection.prototype,webkitRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return webkitRTCPeerConnection.generateCertificate}}),["createOffer","createAnswer"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){var self=this;if(arguments.length<1||1===arguments.length&&"object"==typeof arguments[0]){var opts=1===arguments.length?arguments[0]:void 0;return new Promise(function(resolve,reject){nativeMethod.apply(self,[resolve,reject,opts])})}return nativeMethod.apply(this,arguments)}}),browserDetails.version<51&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){var args=arguments,self=this,promise=new Promise(function(resolve,reject){nativeMethod.apply(self,[args[0],resolve,reject])});return args.length<2?promise:promise.then(function(){args[1].apply(null,[])},function(err){args.length>=3&&args[2].apply(null,[err])})}}),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){return arguments[0]=new("addIceCandidate"===method?RTCIceCandidate:RTCSessionDescription)(arguments[0]),nativeMethod.apply(this,arguments)}});var nativeAddIceCandidate=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){return null===arguments[0]?Promise.resolve():nativeAddIceCandidate.apply(this,arguments)}}};module.exports={shimMediaStream:chromeShim.shimMediaStream,shimOnTrack:chromeShim.shimOnTrack,shimSourceObject:chromeShim.shimSourceObject,shimPeerConnection:chromeShim.shimPeerConnection,shimGetUserMedia:requirecopy("./getusermedia")}},{"../utils.js":10,"./getusermedia":4}],4:[function(requirecopy,module,exports){"use strict";var logging=requirecopy("../utils.js").log;module.exports=function(){var constraintsToChrome_=function(c){if("object"!=typeof c||c.mandatory||c.optional)return c;var cc={};return Object.keys(c).forEach(function(key){if("require"!==key&&"advanced"!==key&&"mediaSource"!==key){var r="object"==typeof c[key]?c[key]:{ideal:c[key]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);var oldname_=function(prefix,name){return prefix?prefix+name.charAt(0).toUpperCase()+name.slice(1):"deviceId"===name?"sourceId":name};if(void 0!==r.ideal){cc.optional=cc.optional||[];var oc={};"number"==typeof r.ideal?(oc[oldname_("min",key)]=r.ideal,cc.optional.push(oc),oc={},oc[oldname_("max",key)]=r.ideal,cc.optional.push(oc)):(oc[oldname_("",key)]=r.ideal,cc.optional.push(oc))}void 0!==r.exact&&"number"!=typeof r.exact?(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname_("",key)]=r.exact):["min","max"].forEach(function(mix){void 0!==r[mix]&&(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname_(mix,key)]=r[mix])})}}),c.advanced&&(cc.optional=(cc.optional||[]).concat(c.advanced)),cc},shimConstraints_=function(constraints,func){if(constraints=JSON.parse(JSON.stringify(constraints)),constraints&&constraints.audio&&(constraints.audio=constraintsToChrome_(constraints.audio)),constraints&&"object"==typeof constraints.video){var face=constraints.video.facingMode;if((face=face&&("object"==typeof face?face:{ideal:face}))&&("user"===face.exact||"environment"===face.exact||"user"===face.ideal||"environment"===face.ideal)&&(!navigator.mediaDevices.getSupportedConstraints||!navigator.mediaDevices.getSupportedConstraints().facingMode)&&(delete constraints.video.facingMode,"environment"===face.exact||"environment"===face.ideal))return navigator.mediaDevices.enumerateDevices().then(function(devices){devices=devices.filter(function(d){return"videoinput"===d.kind});var back=devices.find(function(d){return-1!==d.label.toLowerCase().indexOf("back")})||devices.length&&devices[devices.length-1];return back&&(constraints.video.deviceId=face.exact?{exact:back.deviceId}:{ideal:back.deviceId}),constraints.video=constraintsToChrome_(constraints.video),logging("chrome: "+JSON.stringify(constraints)),func(constraints)});constraints.video=constraintsToChrome_(constraints.video)}return logging("chrome: "+JSON.stringify(constraints)),func(constraints)},shimError_=function(e){return{name:{PermissionDeniedError:"NotAllowedError",ConstraintNotSatisfiedError:"OverconstrainedError"}[e.name]||e.name,message:e.message,constraint:e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}},getUserMedia_=function(constraints,onSuccess,onError){shimConstraints_(constraints,function(c){navigator.webkitGetUserMedia(c,onSuccess,function(e){onError(shimError_(e))})})};navigator.getUserMedia=getUserMedia_;var getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){navigator.getUserMedia(constraints,resolve,reject)})};if(navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:getUserMediaPromise_,enumerateDevices:function(){return new Promise(function(resolve){var kinds={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(devices){resolve(devices.map(function(device){return{label:device.label,kind:kinds[device.kind],deviceId:device.id,groupId:""}}))})})}}),navigator.mediaDevices.getUserMedia){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(cs){return shimConstraints_(cs,function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e))})})}}else navigator.mediaDevices.getUserMedia=function(constraints){return getUserMediaPromise_(constraints)};void 0===navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){logging("Dummy mediaDevices.addEventListener called.")}),void 0===navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){logging("Dummy mediaDevices.removeEventListener called.")})}},{"../utils.js":10}],5:[function(requirecopy,module,exports){"use strict";var SDPUtils=requirecopy("sdp"),browserDetails=requirecopy("../utils").browserDetails,edgeShim={shimPeerConnection:function(){window.RTCIceGatherer&&(window.RTCIceCandidate||(window.RTCIceCandidate=function(args){return args}),window.RTCSessionDescription||(window.RTCSessionDescription=function(args){return args})),window.RTCPeerConnection=function(config){var self=this,_eventTarget=document.createDocumentFragment();if(["addEventListener","removeEventListener","dispatchEvent"].forEach(function(method){self[method]=_eventTarget[method].bind(_eventTarget)}),this.onicecandidate=null,this.onaddstream=null,this.ontrack=null,this.onremovestream=null,this.onsignalingstatechange=null,this.oniceconnectionstatechange=null,this.onnegotiationneeded=null,this.ondatachannel=null,this.localStreams=[],this.remoteStreams=[],this.getLocalStreams=function(){return self.localStreams},this.getRemoteStreams=function(){return self.remoteStreams},this.localDescription=new RTCSessionDescription({type:"",sdp:""}),this.remoteDescription=new RTCSessionDescription({type:"",sdp:""}),this.signalingState="stable",this.iceConnectionState="new",this.iceGatheringState="new",this.iceOptions={gatherPolicy:"all",iceServers:[]},config&&config.iceTransportPolicy)switch(config.iceTransportPolicy){case"all":case"relay":this.iceOptions.gatherPolicy=config.iceTransportPolicy;break;case"none":throw new TypeError('iceTransportPolicy "none" not supported')}if(this.usingBundle=config&&"max-bundle"===config.bundlePolicy,config&&config.iceServers){var iceServers=JSON.parse(JSON.stringify(config.iceServers));this.iceOptions.iceServers=iceServers.filter(function(server){if(server&&server.urls){var urls=server.urls;return"string"==typeof urls&&(urls=[urls]),!!(urls=urls.filter(function(url){return 0===url.indexOf("turn:")&&-1!==url.indexOf("transport=udp")&&-1===url.indexOf("turn:[")||0===url.indexOf("stun:")&&browserDetails.version>=14393})[0])}return!1})}this.transceivers=[],this._localIceCandidatesBuffer=[]},window.RTCPeerConnection.prototype._emitBufferedCandidates=function(){var self=this,sections=SDPUtils.splitSections(self.localDescription.sdp);this._localIceCandidatesBuffer.forEach(function(event){if(event.candidate&&0!==Object.keys(event.candidate).length)-1===event.candidate.candidate.indexOf("typ endOfCandidates")&&(sections[event.candidate.sdpMLineIndex+1]+="a="+event.candidate.candidate+"\r\n");else for(var j=1;j<sections.length;j++)-1===sections[j].indexOf("\r\na=end-of-candidates\r\n")&&(sections[j]+="a=end-of-candidates\r\n");if(self.localDescription.sdp=sections.join(""),self.dispatchEvent(event),null!==self.onicecandidate&&self.onicecandidate(event),!event.candidate&&"complete"!==self.iceGatheringState){self.transceivers.every(function(transceiver){return transceiver.iceGatherer&&"completed"===transceiver.iceGatherer.state})&&(self.iceGatheringState="complete")}}),this._localIceCandidatesBuffer=[]},window.RTCPeerConnection.prototype.addStream=function(stream){this.localStreams.push(stream.clone()),this._maybeFireNegotiationNeeded()},window.RTCPeerConnection.prototype.removeStream=function(stream){var idx=this.localStreams.indexOf(stream);idx>-1&&(this.localStreams.splice(idx,1),this._maybeFireNegotiationNeeded())},window.RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpSender}).map(function(transceiver){return transceiver.rtpSender})},window.RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpReceiver}).map(function(transceiver){return transceiver.rtpReceiver})},window.RTCPeerConnection.prototype._getCommonCapabilities=function(localCapabilities,remoteCapabilities){var commonCapabilities={codecs:[],headerExtensions:[],fecMechanisms:[]};return localCapabilities.codecs.forEach(function(lCodec){for(var i=0;i<remoteCapabilities.codecs.length;i++){var rCodec=remoteCapabilities.codecs[i];if(lCodec.name.toLowerCase()===rCodec.name.toLowerCase()&&lCodec.clockRate===rCodec.clockRate&&lCodec.numChannels===rCodec.numChannels){commonCapabilities.codecs.push(rCodec),rCodec.rtcpFeedback=rCodec.rtcpFeedback.filter(function(fb){for(var j=0;j<lCodec.rtcpFeedback.length;j++)if(lCodec.rtcpFeedback[j].type===fb.type&&lCodec.rtcpFeedback[j].parameter===fb.parameter)return!0;return!1});break}}}),localCapabilities.headerExtensions.forEach(function(lHeaderExtension){for(var i=0;i<remoteCapabilities.headerExtensions.length;i++){var rHeaderExtension=remoteCapabilities.headerExtensions[i];if(lHeaderExtension.uri===rHeaderExtension.uri){commonCapabilities.headerExtensions.push(rHeaderExtension);break}}}),commonCapabilities},window.RTCPeerConnection.prototype._createIceAndDtlsTransports=function(mid,sdpMLineIndex){var self=this,iceGatherer=new RTCIceGatherer(self.iceOptions),iceTransport=new RTCIceTransport(iceGatherer);iceGatherer.onlocalcandidate=function(evt){var event=new Event("icecandidate");event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate,end=!cand||0===Object.keys(cand).length;end?(void 0===iceGatherer.state&&(iceGatherer.state="completed"),event.candidate.candidate="candidate:1 1 udp 1 0.0.0.0 9 typ endOfCandidates"):(cand.component="RTCP"===iceTransport.component?2:1,event.candidate.candidate=SDPUtils.writeCandidate(cand));var sections=SDPUtils.splitSections(self.localDescription.sdp);-1===event.candidate.candidate.indexOf("typ endOfCandidates")?sections[event.candidate.sdpMLineIndex+1]+="a="+event.candidate.candidate+"\r\n":sections[event.candidate.sdpMLineIndex+1]+="a=end-of-candidates\r\n",self.localDescription.sdp=sections.join("");var complete=self.transceivers.every(function(transceiver){return transceiver.iceGatherer&&"completed"===transceiver.iceGatherer.state});switch(self.iceGatheringState){case"new":self._localIceCandidatesBuffer.push(event),end&&complete&&self._localIceCandidatesBuffer.push(new Event("icecandidate"));break;case"gathering":self._emitBufferedCandidates(),self.dispatchEvent(event),null!==self.onicecandidate&&self.onicecandidate(event),complete&&(self.dispatchEvent(new Event("icecandidate")),null!==self.onicecandidate&&self.onicecandidate(new Event("icecandidate")),self.iceGatheringState="complete")}},iceTransport.onicestatechange=function(){self._updateConnectionState()};var dtlsTransport=new RTCDtlsTransport(iceTransport);return dtlsTransport.ondtlsstatechange=function(){self._updateConnectionState()},dtlsTransport.onerror=function(){dtlsTransport.state="failed",self._updateConnectionState()},{iceGatherer:iceGatherer,iceTransport:iceTransport,dtlsTransport:dtlsTransport}},window.RTCPeerConnection.prototype._transceive=function(transceiver,send,recv){var params=this._getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);send&&transceiver.rtpSender&&(params.encodings=transceiver.sendEncodingParameters,params.rtcp={cname:SDPUtils.localCName},transceiver.recvEncodingParameters.length&&(params.rtcp.ssrc=transceiver.recvEncodingParameters[0].ssrc),transceiver.rtpSender.send(params)),recv&&transceiver.rtpReceiver&&(params.encodings=transceiver.recvEncodingParameters,params.rtcp={cname:transceiver.cname},transceiver.sendEncodingParameters.length&&(params.rtcp.ssrc=transceiver.sendEncodingParameters[0].ssrc),transceiver.rtpReceiver.receive(params))},window.RTCPeerConnection.prototype.setLocalDescription=function(description){var sections,sessionpart,self=this;if("offer"===description.type)this._pendingOffer&&(sections=SDPUtils.splitSections(description.sdp),sessionpart=sections.shift(),sections.forEach(function(mediaSection,sdpMLineIndex){var caps=SDPUtils.parseRtpParameters(mediaSection);self._pendingOffer[sdpMLineIndex].localCapabilities=caps}),this.transceivers=this._pendingOffer,delete this._pendingOffer);else if("answer"===description.type){sections=SDPUtils.splitSections(self.remoteDescription.sdp),sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,"a=ice-lite").length>0;sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver=self.transceivers[sdpMLineIndex],iceGatherer=transceiver.iceGatherer,iceTransport=transceiver.iceTransport,dtlsTransport=transceiver.dtlsTransport,localCapabilities=transceiver.localCapabilities,remoteCapabilities=transceiver.remoteCapabilities;if("0"!==mediaSection.split("\n",1)[0].split(" ",2)[1]&&!transceiver.isDatachannel){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);if(isIceLite){var cands=SDPUtils.matchPrefix(mediaSection,"a=candidate:").map(function(cand){return SDPUtils.parseCandidate(cand)}).filter(function(cand){return"1"===cand.component});cands.length&&iceTransport.setRemoteCandidates(cands)}var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);isIceLite&&(remoteDtlsParameters.role="server"),self.usingBundle&&0!==sdpMLineIndex||(iceTransport.start(iceGatherer,remoteIceParameters,isIceLite?"controlling":"controlled"),dtlsTransport.start(remoteDtlsParameters));var params=self._getCommonCapabilities(localCapabilities,remoteCapabilities);self._transceive(transceiver,params.codecs.length>0,!1)}})}switch(this.localDescription={type:description.type,sdp:description.sdp},description.type){case"offer":this._updateSignalingState("have-local-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+description.type+'"')}var hasCallback=arguments.length>1&&"function"==typeof arguments[1];if(hasCallback){var cb=arguments[1];window.setTimeout(function(){cb(),"new"===self.iceGatheringState&&(self.iceGatheringState="gathering"),self._emitBufferedCandidates()},0)}var p=Promise.resolve();return p.then(function(){hasCallback||("new"===self.iceGatheringState&&(self.iceGatheringState="gathering"),window.setTimeout(self._emitBufferedCandidates.bind(self),500))}),p},window.RTCPeerConnection.prototype.setRemoteDescription=function(description){var self=this,stream=new MediaStream,receiverList=[],sections=SDPUtils.splitSections(description.sdp),sessionpart=sections.shift(),isIceLite=SDPUtils.matchPrefix(sessionpart,"a=ice-lite").length>0;switch(this.usingBundle=SDPUtils.matchPrefix(sessionpart,"a=group:BUNDLE ").length>0,sections.forEach(function(mediaSection,sdpMLineIndex){var lines=SDPUtils.splitLines(mediaSection),mline=lines[0].substr(2).split(" "),kind=mline[0],rejected="0"===mline[1],direction=SDPUtils.getDirection(mediaSection,sessionpart),mid=SDPUtils.matchPrefix(mediaSection,"a=mid:");if(mid=mid.length?mid[0].substr(6):SDPUtils.generateIdentifier(),"application"===kind&&"DTLS/SCTP"===mline[2])return void(self.transceivers[sdpMLineIndex]={mid:mid,isDatachannel:!0});var transceiver,iceGatherer,iceTransport,dtlsTransport,rtpSender,rtpReceiver,sendEncodingParameters,recvEncodingParameters,localCapabilities,track,remoteIceParameters,remoteDtlsParameters,remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);rejected||(remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart),remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart),remoteDtlsParameters.role="client"),recvEncodingParameters=SDPUtils.parseRtpEncodingParameters(mediaSection);var cname,remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return"cname"===obj.attribute})[0];remoteSsrc&&(cname=remoteSsrc.value);var isComplete=SDPUtils.matchPrefix(mediaSection,"a=end-of-candidates",sessionpart).length>0,cands=SDPUtils.matchPrefix(mediaSection,"a=candidate:").map(function(cand){return SDPUtils.parseCandidate(cand)}).filter(function(cand){return"1"===cand.component});if("offer"!==description.type||rejected)"answer"!==description.type||rejected||(transceiver=self.transceivers[sdpMLineIndex],iceGatherer=transceiver.iceGatherer,iceTransport=transceiver.iceTransport,dtlsTransport=transceiver.dtlsTransport,rtpSender=transceiver.rtpSender,rtpReceiver=transceiver.rtpReceiver,sendEncodingParameters=transceiver.sendEncodingParameters,localCapabilities=transceiver.localCapabilities,self.transceivers[sdpMLineIndex].recvEncodingParameters=recvEncodingParameters,self.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities,self.transceivers[sdpMLineIndex].cname=cname,(isIceLite||isComplete)&&cands.length&&iceTransport.setRemoteCandidates(cands),self.usingBundle&&0!==sdpMLineIndex||(iceTransport.start(iceGatherer,remoteIceParameters,"controlling"),dtlsTransport.start(remoteDtlsParameters)),self._transceive(transceiver,"sendrecv"===direction||"recvonly"===direction,"sendrecv"===direction||"sendonly"===direction),!rtpReceiver||"sendrecv"!==direction&&"sendonly"!==direction?delete transceiver.rtpReceiver:(track=rtpReceiver.track,receiverList.push([track,rtpReceiver]),stream.addTrack(track)));else{var transports=self.usingBundle&&sdpMLineIndex>0?{iceGatherer:self.transceivers[0].iceGatherer,iceTransport:self.transceivers[0].iceTransport,dtlsTransport:self.transceivers[0].dtlsTransport}:self._createIceAndDtlsTransports(mid,sdpMLineIndex);if(isComplete&&transports.iceTransport.setRemoteCandidates(cands),localCapabilities=RTCRtpReceiver.getCapabilities(kind),sendEncodingParameters=[{ssrc:1001*(2*sdpMLineIndex+2)}],rtpReceiver=new RTCRtpReceiver(transports.dtlsTransport,kind),track=rtpReceiver.track,receiverList.push([track,rtpReceiver]),stream.addTrack(track),self.localStreams.length>0&&self.localStreams[0].getTracks().length>=sdpMLineIndex){var localTrack;"audio"===kind?localTrack=self.localStreams[0].getAudioTracks()[0]:"video"===kind&&(localTrack=self.localStreams[0].getVideoTracks()[0]),localTrack&&(rtpSender=new RTCRtpSender(localTrack,transports.dtlsTransport))}self.transceivers[sdpMLineIndex]={iceGatherer:transports.iceGatherer,iceTransport:transports.iceTransport,dtlsTransport:transports.dtlsTransport,localCapabilities:localCapabilities,remoteCapabilities:remoteCapabilities,rtpSender:rtpSender,rtpReceiver:rtpReceiver,kind:kind,mid:mid,cname:cname,sendEncodingParameters:sendEncodingParameters,recvEncodingParameters:recvEncodingParameters},self._transceive(self.transceivers[sdpMLineIndex],!1,"sendrecv"===direction||"sendonly"===direction)}}),this.remoteDescription={type:description.type,sdp:description.sdp},description.type){case"offer":this._updateSignalingState("have-remote-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+description.type+'"')}return stream.getTracks().length&&(self.remoteStreams.push(stream),window.setTimeout(function(){var event=new Event("addstream");event.stream=stream,self.dispatchEvent(event),null!==self.onaddstream&&window.setTimeout(function(){self.onaddstream(event)},0),receiverList.forEach(function(item){var track=item[0],receiver=item[1],trackEvent=new Event("track");trackEvent.track=track,trackEvent.receiver=receiver,trackEvent.streams=[stream],self.dispatchEvent(event),null!==self.ontrack&&window.setTimeout(function(){self.ontrack(trackEvent)},0)})},0)),arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},window.RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(transceiver){transceiver.iceTransport&&transceiver.iceTransport.stop(),transceiver.dtlsTransport&&transceiver.dtlsTransport.stop(),transceiver.rtpSender&&transceiver.rtpSender.stop(),transceiver.rtpReceiver&&transceiver.rtpReceiver.stop()}),this._updateSignalingState("closed")},window.RTCPeerConnection.prototype._updateSignalingState=function(newState){this.signalingState=newState;var event=new Event("signalingstatechange");this.dispatchEvent(event),null!==this.onsignalingstatechange&&this.onsignalingstatechange(event)},window.RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var event=new Event("negotiationneeded");this.dispatchEvent(event),null!==this.onnegotiationneeded&&this.onnegotiationneeded(event)},window.RTCPeerConnection.prototype._updateConnectionState=function(){var newState,self=this,states={new:0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};if(this.transceivers.forEach(function(transceiver){states[transceiver.iceTransport.state]++,states[transceiver.dtlsTransport.state]++}),states.connected+=states.completed,newState="new",states.failed>0?newState="failed":states.connecting>0||states.checking>0?newState="connecting":states.disconnected>0?newState="disconnected":states.new>0?newState="new":(states.connected>0||states.completed>0)&&(newState="connected"),newState!==self.iceConnectionState){self.iceConnectionState=newState;var event=new Event("iceconnectionstatechange");this.dispatchEvent(event),null!==this.oniceconnectionstatechange&&this.oniceconnectionstatechange(event)}},window.RTCPeerConnection.prototype.createOffer=function(){var self=this;if(this._pendingOffer)throw new Error("createOffer called while there is a pending offer.");var offerOptions;1===arguments.length&&"function"!=typeof arguments[0]?offerOptions=arguments[0]:3===arguments.length&&(offerOptions=arguments[2]);var tracks=[],numAudioTracks=0,numVideoTracks=0;if(this.localStreams.length&&(numAudioTracks=this.localStreams[0].getAudioTracks().length,numVideoTracks=this.localStreams[0].getVideoTracks().length),offerOptions){if(offerOptions.mandatory||offerOptions.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==offerOptions.offerToReceiveAudio&&(numAudioTracks=offerOptions.offerToReceiveAudio),void 0!==offerOptions.offerToReceiveVideo&&(numVideoTracks=offerOptions.offerToReceiveVideo)}for(this.localStreams.length&&this.localStreams[0].getTracks().forEach(function(track){tracks.push({kind:track.kind,track:track,wantReceive:"audio"===track.kind?numAudioTracks>0:numVideoTracks>0}),"audio"===track.kind?numAudioTracks--:"video"===track.kind&&numVideoTracks--});numAudioTracks>0||numVideoTracks>0;)numAudioTracks>0&&(tracks.push({kind:"audio",wantReceive:!0}),numAudioTracks--),numVideoTracks>0&&(tracks.push({kind:"video",wantReceive:!0}),numVideoTracks--);var sdp=SDPUtils.writeSessionBoilerplate(),transceivers=[];tracks.forEach(function(mline,sdpMLineIndex){var rtpSender,rtpReceiver,track=mline.track,kind=mline.kind,mid=SDPUtils.generateIdentifier(),transports=self.usingBundle&&sdpMLineIndex>0?{iceGatherer:transceivers[0].iceGatherer,iceTransport:transceivers[0].iceTransport,dtlsTransport:transceivers[0].dtlsTransport}:self._createIceAndDtlsTransports(mid,sdpMLineIndex),localCapabilities=RTCRtpSender.getCapabilities(kind),sendEncodingParameters=[{ssrc:1001*(2*sdpMLineIndex+1)}];track&&(rtpSender=new RTCRtpSender(track,transports.dtlsTransport)),mline.wantReceive&&(rtpReceiver=new RTCRtpReceiver(transports.dtlsTransport,kind)),transceivers[sdpMLineIndex]={iceGatherer:transports.iceGatherer,iceTransport:transports.iceTransport,dtlsTransport:transports.dtlsTransport,localCapabilities:localCapabilities,remoteCapabilities:null,rtpSender:rtpSender,rtpReceiver:rtpReceiver,kind:kind,mid:mid,sendEncodingParameters:sendEncodingParameters,recvEncodingParameters:null}}),this.usingBundle&&(sdp+="a=group:BUNDLE "+transceivers.map(function(t){return t.mid}).join(" ")+"\r\n"),tracks.forEach(function(mline,sdpMLineIndex){var transceiver=transceivers[sdpMLineIndex];sdp+=SDPUtils.writeMediaSection(transceiver,transceiver.localCapabilities,"offer",self.localStreams[0])}),this._pendingOffer=transceivers;var desc=new RTCSessionDescription({type:"offer",sdp:sdp});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,desc),Promise.resolve(desc)},window.RTCPeerConnection.prototype.createAnswer=function(){var self=this,sdp=SDPUtils.writeSessionBoilerplate();this.usingBundle&&(sdp+="a=group:BUNDLE "+this.transceivers.map(function(t){return t.mid}).join(" ")+"\r\n"),this.transceivers.forEach(function(transceiver){if(transceiver.isDatachannel)return void(sdp+="m=application 0 DTLS/SCTP 5000\r\nc=IN IP4 0.0.0.0\r\na=mid:"+transceiver.mid+"\r\n");var commonCapabilities=self._getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);sdp+=SDPUtils.writeMediaSection(transceiver,commonCapabilities,"answer",self.localStreams[0])});var desc=new RTCSessionDescription({type:"answer",sdp:sdp});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,desc),Promise.resolve(desc)},window.RTCPeerConnection.prototype.addIceCandidate=function(candidate){if(null===candidate)this.transceivers.forEach(function(transceiver){transceiver.iceTransport.addRemoteCandidate({})});else{var mLineIndex=candidate.sdpMLineIndex;if(candidate.sdpMid)for(var i=0;i<this.transceivers.length;i++)if(this.transceivers[i].mid===candidate.sdpMid){mLineIndex=i;break}var transceiver=this.transceivers[mLineIndex];if(transceiver){var cand=Object.keys(candidate.candidate).length>0?SDPUtils.parseCandidate(candidate.candidate):{};if("tcp"===cand.protocol&&(0===cand.port||9===cand.port))return;if("1"!==cand.component)return;"endOfCandidates"===cand.type&&(cand={}),transceiver.iceTransport.addRemoteCandidate(cand);var sections=SDPUtils.splitSections(this.remoteDescription.sdp);sections[mLineIndex+1]+=(cand.type?candidate.candidate.trim():"a=end-of-candidates")+"\r\n",this.remoteDescription.sdp=sections.join("")}}return arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},window.RTCPeerConnection.prototype.getStats=function(){var promises=[];this.transceivers.forEach(function(transceiver){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach(function(method){transceiver[method]&&promises.push(transceiver[method].getStats())})});var cb=arguments.length>1&&"function"==typeof arguments[1]&&arguments[1];return new Promise(function(resolve){var results=new Map;Promise.all(promises).then(function(res){res.forEach(function(result){Object.keys(result).forEach(function(id){results.set(id,result[id]),results[id]=result[id]})}),cb&&window.setTimeout(cb,0,results),resolve(results)})})}}};module.exports={shimPeerConnection:edgeShim.shimPeerConnection,shimGetUserMedia:requirecopy("./getusermedia")}},{"../utils":10,"./getusermedia":6,sdp:1}],6:[function(requirecopy,module,exports){"use strict";module.exports=function(){var shimError_=function(e){return{name:{PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name}}},origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e))})}}},{}],7:[function(requirecopy,module,exports){"use strict";var browserDetails=requirecopy("../utils").browserDetails,firefoxShim={shimOnTrack:function(){"object"!=typeof window||!window.RTCPeerConnection||"ontrack"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(f){this._ontrack&&(this.removeEventListener("track",this._ontrack),this.removeEventListener("addstream",this._ontrackpoly)),this.addEventListener("track",this._ontrack=f),this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.getTracks().forEach(function(track){var event=new Event("track");event.track=track,event.receiver={track:track},event.streams=[e.stream],this.dispatchEvent(event)}.bind(this))}.bind(this))}})},shimSourceObject:function(){"object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this.mozSrcObject},set:function(stream){this.mozSrcObject=stream}}))},shimPeerConnection:function(){if("object"==typeof window&&(window.RTCPeerConnection||window.mozRTCPeerConnection)){window.RTCPeerConnection||(window.RTCPeerConnection=function(pcConfig,pcConstraints){if(browserDetails.version<38&&pcConfig&&pcConfig.iceServers){for(var newIceServers=[],i=0;i<pcConfig.iceServers.length;i++){var server=pcConfig.iceServers[i];if(server.hasOwnProperty("urls"))for(var j=0;j<server.urls.length;j++){var newServer={url:server.urls[j]};0===server.urls[j].indexOf("turn")&&(newServer.username=server.username,newServer.credential=server.credential),newIceServers.push(newServer)}else newIceServers.push(pcConfig.iceServers[i])}pcConfig.iceServers=newIceServers}return new mozRTCPeerConnection(pcConfig,pcConstraints)},window.RTCPeerConnection.prototype=mozRTCPeerConnection.prototype,mozRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return mozRTCPeerConnection.generateCertificate}}),window.RTCSessionDescription=mozRTCSessionDescription,window.RTCIceCandidate=mozRTCIceCandidate),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){return arguments[0]=new("addIceCandidate"===method?RTCIceCandidate:RTCSessionDescription)(arguments[0]),nativeMethod.apply(this,arguments)}});var nativeAddIceCandidate=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){return null===arguments[0]?Promise.resolve():nativeAddIceCandidate.apply(this,arguments)};var makeMapStats=function(stats){var map=new Map;return Object.keys(stats).forEach(function(key){map.set(key,stats[key]),map[key]=stats[key]}),map},nativeGetStats=RTCPeerConnection.prototype.getStats;RTCPeerConnection.prototype.getStats=function(selector,onSucc,onErr){return nativeGetStats.apply(this,[selector||null]).then(function(stats){return makeMapStats(stats)}).then(onSucc,onErr)}}}};module.exports={shimOnTrack:firefoxShim.shimOnTrack,shimSourceObject:firefoxShim.shimSourceObject,shimPeerConnection:firefoxShim.shimPeerConnection,shimGetUserMedia:requirecopy("./getusermedia")}},{"../utils":10,"./getusermedia":8}],8:[function(requirecopy,module,exports){"use strict";var logging=requirecopy("../utils").log,browserDetails=requirecopy("../utils").browserDetails;module.exports=function(){var shimError_=function(e){return{name:{SecurityError:"NotAllowedError",PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:{"The operation is insecure.":"The request is not allowed by the user agent or the platform in the current context."}[e.message]||e.message,constraint:e.constraint,toString:function(){return this.name+(this.message&&": ")+this.message}}},getUserMedia_=function(constraints,onSuccess,onError){var constraintsToFF37_=function(c){if("object"!=typeof c||c.require)return c;var require=[];return Object.keys(c).forEach(function(key){if("require"!==key&&"advanced"!==key&&"mediaSource"!==key){var r=c[key]="object"==typeof c[key]?c[key]:{ideal:c[key]};if(void 0===r.min&&void 0===r.max&&void 0===r.exact||require.push(key),void 0!==r.exact&&("number"==typeof r.exact?r.min=r.max=r.exact:c[key]=r.exact,delete r.exact),void 0!==r.ideal){c.advanced=c.advanced||[];var oc={};"number"==typeof r.ideal?oc[key]={min:r.ideal,max:r.ideal}:oc[key]=r.ideal,c.advanced.push(oc),delete r.ideal,Object.keys(r).length||delete c[key]}}}),require.length&&(c.require=require),c};return constraints=JSON.parse(JSON.stringify(constraints)),browserDetails.version<38&&(logging("spec: "+JSON.stringify(constraints)),constraints.audio&&(constraints.audio=constraintsToFF37_(constraints.audio)),constraints.video&&(constraints.video=constraintsToFF37_(constraints.video)),logging("ff37: "+JSON.stringify(constraints))),navigator.mozGetUserMedia(constraints,onSuccess,function(e){onError(shimError_(e))})},getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){getUserMedia_(constraints,resolve,reject)})};if(navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:getUserMediaPromise_,addEventListener:function(){},removeEventListener:function(){}}),navigator.mediaDevices.enumerateDevices=navigator.mediaDevices.enumerateDevices||function(){return new Promise(function(resolve){resolve([{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}])})},browserDetails.version<41){var orgEnumerateDevices=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return orgEnumerateDevices().then(void 0,function(e){if("NotFoundError"===e.name)return[];throw e})}}if(browserDetails.version<49){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e))})}}navigator.getUserMedia=function(constraints,onSuccess,onError){if(browserDetails.version<44)return getUserMedia_(constraints,onSuccess,onError);navigator.mediaDevices.getUserMedia(constraints).then(onSuccess,onError)}}},{"../utils":10}],9:[function(requirecopy,module,exports){"use strict";var safariShim={shimGetUserMedia:function(){navigator.getUserMedia=navigator.webkitGetUserMedia}};module.exports={shimGetUserMedia:safariShim.shimGetUserMedia}},{}],10:[function(requirecopy,module,exports){"use strict";var logDisabled_=!0,utils={disableLog:function(bool){return"boolean"!=typeof bool?new Error("Argument type: "+typeof bool+". Please use a boolean."):(logDisabled_=bool,bool?"adapter.js logging disabled":"adapter.js logging enabled")},log:function(){if("object"==typeof window){if(logDisabled_)return;"undefined"!=typeof console&&console.log}},extractVersion:function(uastring,expr,pos){var match=uastring.match(expr);return match&&match.length>=pos&&parseInt(match[pos],10)},detectBrowser:function(){var result={};if(result.browser=null,result.version=null,"undefined"==typeof window||!window.navigator)return result.browser="Not a browser.",result;if(navigator.mozGetUserMedia)result.browser="firefox",result.version=this.extractVersion(navigator.userAgent,/Firefox\/([0-9]+)\./,1);else if(navigator.webkitGetUserMedia)if(window.webkitRTCPeerConnection)result.browser="chrome",result.version=this.extractVersion(navigator.userAgent,/Chrom(e|ium)\/([0-9]+)\./,2);else{if(!navigator.userAgent.match(/Version\/(\d+).(\d+)/))return result.browser="Unsupported webkit-based browser with GUM support but no WebRTC support.",result;result.browser="safari",result.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/([0-9]+)\./,1)}else{if(!navigator.mediaDevices||!navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))return result.browser="Not a supported browser.",result;result.browser="edge",result.version=this.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2)}return result}};module.exports={log:utils.log,disableLog:utils.disableLog,browserDetails:utils.detectBrowser(),extractVersion:utils.extractVersion}},{}]},{},[2])(2)}),AdapterJS.parseWebrtcDetectedBrowser(),navigator.mozGetUserMedia?(MediaStreamTrack.getSources=function(successCb){setTimeout(function(){successCb([{kind:"audio",id:"default",label:"",facing:""},{kind:"video",id:"default",label:"",facing:""}])},0)},attachMediaStream=function(element,stream){return element.srcObject=stream,element},reattachMediaStream=function(to,from){return to.srcObject=from.srcObject,to},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");if(0===urlParts[0].indexOf("stun"))iceServer={urls:[url]};else if(0===urlParts[0].indexOf("turn"))if(webrtcDetectedVersion<27){var turnUrlParts=url.split("?");1!==turnUrlParts.length&&0!==turnUrlParts[1].indexOf("transport=udp")||(iceServer={urls:[turnUrlParts[0]],credential:password,username:username})}else iceServer={urls:[url],credential:password,username:username};return iceServer},createIceServers=function(urls,username,password){var iceServers=[];for(i=0;i<urls.length;i++){var iceServer=createIceServer(urls[i],username,password);null!==iceServer&&iceServers.push(iceServer)}return iceServers}):navigator.webkitGetUserMedia?(attachMediaStream=function(element,stream){return webrtcDetectedVersion>=43?element.srcObject=stream:void 0!==element.src&&(element.src=URL.createObjectURL(stream)),element},reattachMediaStream=function(to,from){return webrtcDetectedVersion>=43?to.srcObject=from.srcObject:to.src=from.src,to},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");return 0===urlParts[0].indexOf("stun")?iceServer={url:url}:0===urlParts[0].indexOf("turn")&&(iceServer={url:url,credential:password,username:username}),iceServer},createIceServers=function(urls,username,password){var iceServers=[];if(webrtcDetectedVersion>=34)iceServers={urls:urls,credential:password,username:username};else for(i=0;i<urls.length;i++){var iceServer=createIceServer(urls[i],username,password);null!==iceServer&&iceServers.push(iceServer)}return iceServers}):navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)&&(attachMediaStream=function(element,stream){return element.srcObject=stream,element},reattachMediaStream=function(to,from){return to.srcObject=from.srcObject,to}),attachMediaStream_base=attachMediaStream,"opera"===webrtcDetectedBrowser&&(attachMediaStream_base=function(element,stream){webrtcDetectedVersion>38?element.srcObject=stream:void 0!==element.src&&(element.src=URL.createObjectURL(stream))}),attachMediaStream=function(element,stream){return"chrome"!==webrtcDetectedBrowser&&"opera"!==webrtcDetectedBrowser||stream?attachMediaStream_base(element,stream):element.src="",element},reattachMediaStream_base=reattachMediaStream,reattachMediaStream=function(to,from){return reattachMediaStream_base(to,from),to},window.attachMediaStream=attachMediaStream,window.reattachMediaStream=reattachMediaStream,window.getUserMedia=function(constraints,onSuccess,onFailure){navigator.getUserMedia(constraints,onSuccess,onFailure)},AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,"undefined"==typeof Promise&&(requestUserMedia=null),AdapterJS.maybeThroughWebRTCReady()),"undefined"!=typeof exports&&(module.exports=AdapterJS),AdapterJS.TEXT.EXTENSION={REQUIRE_INSTALLATION_FF:"To enable screensharing you need to install the Skylink WebRTC tools Firefox Add-on.",REQUIRE_INSTALLATION_CHROME:"To enable screensharing you need to install the Skylink WebRTC tools Chrome Extension.",REQUIRE_REFRESH:"Please refresh this page after the Skylink WebRTC tools extension has been installed.",BUTTON_FF:"Install Now",BUTTON_CHROME:"Go to Chrome Web Store"},AdapterJS.defineMediaSourcePolyfill=function(){var baseGetUserMedia=null,clone=function(obj){if(null===obj||"object"!=typeof obj)return obj;var copy=obj.constructor();for(var attr in obj)obj.hasOwnProperty(attr)&&(copy[attr]=obj[attr]);return copy};if(window.navigator.mozGetUserMedia?(baseGetUserMedia=window.navigator.getUserMedia,navigator.getUserMedia=function(constraints,successCb,failureCb){if(constraints&&constraints.video&&constraints.video.mediaSource){if("screen"!==constraints.video.mediaSource&&"window"!==constraints.video.mediaSource)return void failureCb(new Error('GetUserMedia: Only "screen" and "window" are supported as mediaSource constraints'));var updatedConstraints=clone(constraints);updatedConstraints.video.mozMediaSource=updatedConstraints.video.mediaSource;var checkIfReady=setInterval(function(){"complete"===document.readyState&&(clearInterval(checkIfReady),baseGetUserMedia(updatedConstraints,successCb,function(error){["NotAllowedError","PermissionDeniedError","SecurityError","NotAllowedError"].indexOf(error.name)>-1&&"https:"===window.parent.location.protocol?AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION.REQUIRE_INSTALLATION_FF,AdapterJS.TEXT.EXTENSION.BUTTON_FF,function(e){window.open("https://addons.mozilla.org/en-US/firefox/addon/skylink-webrtc-tools/","_blank"),e.target&&e.target.parentElement&&e.target.nextElementSibling&&e.target.nextElementSibling.click&&e.target.nextElementSibling.click(),AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION?AdapterJS.TEXT.EXTENSION.REQUIRE_REFRESH:AdapterJS.TEXT.REFRESH.REQUIRE_REFRESH,AdapterJS.TEXT.REFRESH.BUTTON,function(){window.open("javascript:location.reload()","_top")})}):failureCb(error)}))},1)}else baseGetUserMedia(constraints,successCb,failureCb)},AdapterJS.getUserMedia=window.getUserMedia=navigator.getUserMedia):window.navigator.webkitGetUserMedia&&"safari"!==window.webrtcDetectedBrowser?(baseGetUserMedia=window.navigator.getUserMedia,navigator.getUserMedia=function(constraints,successCb,failureCb){if(constraints&&constraints.video&&constraints.video.mediaSource){if("chrome"!==window.webrtcDetectedBrowser)return void failureCb(new Error("Current browser does not support screensharing"));var updatedConstraints=clone(constraints),chromeCallback=function(error,sourceId){error?failureCb("permission-denied"===error?new Error("Permission denied for screen retrieval"):new Error("Failed retrieving selected screen")):(updatedConstraints.video.mandatory=updatedConstraints.video.mandatory||{},updatedConstraints.video.mandatory.chromeMediaSource="desktop",updatedConstraints.video.mandatory.maxWidth=window.screen.width>1920?window.screen.width:1920,updatedConstraints.video.mandatory.maxHeight=window.screen.height>1080?window.screen.height:1080,sourceId&&(updatedConstraints.video.mandatory.chromeMediaSourceId=sourceId),delete updatedConstraints.video.mediaSource,baseGetUserMedia(updatedConstraints,successCb,failureCb))},onIFrameCallback=function(event){event.data&&(event.data.chromeMediaSourceId&&("PermissionDeniedError"===event.data.chromeMediaSourceId?chromeCallback("permission-denied"):chromeCallback(null,event.data.chromeMediaSourceId)),event.data.chromeExtensionStatus&&("not-installed"===event.data.chromeExtensionStatus?AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION.REQUIRE_INSTALLATION_CHROME,AdapterJS.TEXT.EXTENSION.BUTTON_CHROME,function(e){window.open(event.data.data,"_blank"),e.target&&e.target.parentElement&&e.target.nextElementSibling&&e.target.nextElementSibling.click&&e.target.nextElementSibling.click(),AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION?AdapterJS.TEXT.EXTENSION.REQUIRE_REFRESH:AdapterJS.TEXT.REFRESH.REQUIRE_REFRESH,AdapterJS.TEXT.REFRESH.BUTTON,function(){window.open("javascript:location.reload()","_top")})}):chromeCallback(event.data.chromeExtensionStatus,null)),window.removeEventListener("message",onIFrameCallback))};window.addEventListener("message",onIFrameCallback),postFrameMessage({captureSourceId:!0})}else baseGetUserMedia(constraints,successCb,failureCb)},AdapterJS.getUserMedia=window.getUserMedia=navigator.getUserMedia,navigator.mediaDevices.getUserMedia=function(constraints){return new Promise(function(resolve,reject){window.getUserMedia(constraints,resolve,reject)})}):navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)||(baseGetUserMedia=window.navigator.getUserMedia,navigator.getUserMedia=function(constraints,successCb,failureCb){if(constraints&&constraints.video&&constraints.video.mediaSource){var updatedConstraints=clone(constraints);AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){if(!AdapterJS.WebRTCPlugin.plugin.HasScreensharingFeature||!AdapterJS.WebRTCPlugin.plugin.isScreensharingAvailable)return void failureCb(new Error("Your version of the WebRTC plugin does not support screensharing"));updatedConstraints.video.optional=updatedConstraints.video.optional||[],updatedConstraints.video.optional.push({sourceId:AdapterJS.WebRTCPlugin.plugin.screensharingKey||"Screensharing"}),delete updatedConstraints.video.mediaSource,baseGetUserMedia(updatedConstraints,successCb,failureCb)})}else baseGetUserMedia(constraints,successCb,failureCb)},AdapterJS.getUserMedia=getUserMedia=window.getUserMedia=navigator.getUserMedia,navigator.mediaDevices&&"undefined"!=typeof Promise&&(navigator.mediaDevices.getUserMedia=requestUserMedia)),"chrome"===window.webrtcDetectedBrowser){var iframe=document.createElement("iframe");iframe.onload=function(){iframe.isLoaded=!0},iframe.src="https://cdn.temasys.com.sg/skylink/extensions/detectRTC.html",iframe.style.display="none",(document.body||document.documentElement).appendChild(iframe);var postFrameMessage=function(object){if(object=object||{},!iframe.isLoaded)return void setTimeout(function(){iframe.contentWindow.postMessage(object,"*")},100);iframe.contentWindow.postMessage(object,"*")}}else window.webrtcDetectedBrowser},"function"!=typeof window.require&&AdapterJS.defineMediaSourcePolyfill();
\ No newline at end of file
+$.verto.genUUID=function(){return generateGUID();}})(jQuery);(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.adapter=f()}})(function(){var define,module,exports;return(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){'use strict';var SDPUtils={};SDPUtils.generateIdentifier=function(){return Math.random().toString(36).substr(2,10);};SDPUtils.localCName=SDPUtils.generateIdentifier();SDPUtils.splitLines=function(blob){return blob.trim().split('\n').map(function(line){return line.trim();});};SDPUtils.splitSections=function(blob){var parts=blob.split('\nm=');return parts.map(function(part,index){return(index>0?'m='+part:part).trim()+'\r\n';});};SDPUtils.matchPrefix=function(blob,prefix){return SDPUtils.splitLines(blob).filter(function(line){return line.indexOf(prefix)===0;});};SDPUtils.parseCandidate=function(line){var parts;if(line.indexOf('a=candidate:')===0){parts=line.substring(12).split(' ');}else{parts=line.substring(10).split(' ');}
+var candidate={foundation:parts[0],component:parseInt(parts[1],10),protocol:parts[2].toLowerCase(),priority:parseInt(parts[3],10),ip:parts[4],port:parseInt(parts[5],10),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:candidate[parts[i]]=parts[i+1];break;}}
+return candidate;};SDPUtils.writeCandidate=function(candidate){var sdp=[];sdp.push(candidate.foundation);sdp.push(candidate.component);sdp.push(candidate.protocol.toUpperCase());sdp.push(candidate.priority);sdp.push(candidate.ip);sdp.push(candidate.port);var type=candidate.type;sdp.push('typ');sdp.push(type);if(type!=='host'&&candidate.relatedAddress&&candidate.relatedPort){sdp.push('raddr');sdp.push(candidate.relatedAddress);sdp.push('rport');sdp.push(candidate.relatedPort);}
+if(candidate.tcpType&&candidate.protocol.toLowerCase()==='tcp'){sdp.push('tcptype');sdp.push(candidate.tcpType);}
+if(candidate.ufrag){sdp.push('ufrag');sdp.push(candidate.ufrag);}
+return'candidate:'+sdp.join(' ');};SDPUtils.parseIceOptions=function(line){return line.substr(14).split(' ');}
+SDPUtils.parseRtpMap=function(line){var parts=line.substr(9).split(' ');var parsed={payloadType:parseInt(parts.shift(),10)};parts=parts[0].split('/');parsed.name=parts[0];parsed.clockRate=parseInt(parts[1],10);parsed.numChannels=parts.length===3?parseInt(parts[2],10):1;return parsed;};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';};SDPUtils.parseExtmap=function(line){var parts=line.substr(9).split(' ');return{id:parseInt(parts[0],10),direction:parts[0].indexOf('/')>0?parts[0].split('/')[1]:'sendrecv',uri:parts[1]};};SDPUtils.writeExtmap=function(headerExtension){return'a=extmap:'+(headerExtension.id||headerExtension.preferredId)+
+(headerExtension.direction&&headerExtension.direction!=='sendrecv'?'/'+headerExtension.direction:'')+' '+headerExtension.uri+'\r\n';};SDPUtils.parseFmtp=function(line){var parsed={};var kv;var parts=line.substr(line.indexOf(' ')+1).split(';');for(var j=0;j<parts.length;j++){kv=parts[j].trim().split('=');parsed[kv[0].trim()]=kv[1];}
+return parsed;};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;};SDPUtils.parseRtcpFb=function(line){var parts=line.substr(line.indexOf(' ')+1).split(' ');return{type:parts.shift(),parameter:parts.join(' ')};};SDPUtils.writeRtcpFb=function(codec){var lines='';var pt=codec.payloadType;if(codec.preferredPayloadType!==undefined){pt=codec.preferredPayloadType;}
+if(codec.rtcpFeedback&&codec.rtcpFeedback.length){codec.rtcpFeedback.forEach(function(fb){lines+='a=rtcp-fb:'+pt+' '+fb.type+
+(fb.parameter&&fb.parameter.length?' '+fb.parameter:'')+'\r\n';});}
+return lines;};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;};SDPUtils.getMid=function(mediaSection){var mid=SDPUtils.matchPrefix(mediaSection,'a=mid:')[0];if(mid){return mid.substr(6);}}
+SDPUtils.parseFingerprint=function(line){var parts=line.substr(14).split(' ');return{algorithm:parts[0].toLowerCase(),value:parts[1]};};SDPUtils.getDtlsParameters=function(mediaSection,sessionpart){var lines=SDPUtils.matchPrefix(mediaSection+sessionpart,'a=fingerprint:');return{role:'auto',fingerprints:lines.map(SDPUtils.parseFingerprint)};};SDPUtils.writeDtlsParameters=function(params,setupType){var sdp='a=setup:'+setupType+'\r\n';params.fingerprints.forEach(function(fp){sdp+='a=fingerprint:'+fp.algorithm+' '+fp.value+'\r\n';});return sdp;};SDPUtils.getIceParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);lines=lines.concat(SDPUtils.splitLines(sessionpart));var iceParameters={usernameFragment:lines.filter(function(line){return line.indexOf('a=ice-ufrag:')===0;})[0].substr(12),password:lines.filter(function(line){return line.indexOf('a=ice-pwd:')===0;})[0].substr(10)};return iceParameters;};SDPUtils.writeIceParameters=function(params){return'a=ice-ufrag:'+params.usernameFragment+'\r\n'+'a=ice-pwd:'+params.password+'\r\n';};SDPUtils.parseRtpParameters=function(mediaSection){var description={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]};var lines=SDPUtils.splitLines(mediaSection);var mline=lines[0].split(' ');for(var i=3;i<mline.length;i++){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+' ');codec.parameters=fmtps.length?SDPUtils.parseFmtp(fmtps[0]):{};codec.rtcpFeedback=SDPUtils.matchPrefix(mediaSection,'a=rtcp-fb:'+pt+' ').map(SDPUtils.parseRtcpFb);description.codecs.push(codec);switch(codec.name.toUpperCase()){case'RED':case'ULPFEC':description.fecMechanisms.push(codec.name.toUpperCase());break;default:break;}}}
+SDPUtils.matchPrefix(mediaSection,'a=extmap:').forEach(function(line){description.headerExtensions.push(SDPUtils.parseExtmap(line));});return description;};SDPUtils.writeRtpDescription=function(kind,caps){var sdp='';sdp+='m='+kind+' ';sdp+=caps.codecs.length>0?'9':'0';sdp+=' UDP/TLS/RTP/SAVPF ';sdp+=caps.codecs.map(function(codec){if(codec.preferredPayloadType!==undefined){return codec.preferredPayloadType;}
+return codec.payloadType;}).join(' ')+'\r\n';sdp+='c=IN IP4 0.0.0.0\r\n';sdp+='a=rtcp:9 IN IP4 0.0.0.0\r\n';caps.codecs.forEach(function(codec){sdp+=SDPUtils.writeRtpMap(codec);sdp+=SDPUtils.writeFmtp(codec);sdp+=SDPUtils.writeRtcpFb(codec);});var maxptime=0;caps.codecs.forEach(function(codec){if(codec.maxptime>maxptime){maxptime=codec.maxptime;}});if(maxptime>0){sdp+='a=maxptime:'+maxptime+'\r\n';}
+sdp+='a=rtcp-mux\r\n';caps.headerExtensions.forEach(function(extension){sdp+=SDPUtils.writeExtmap(extension);});return sdp;};SDPUtils.parseRtpEncodingParameters=function(mediaSection){var encodingParameters=[];var description=SDPUtils.parseRtpParameters(mediaSection);var hasRed=description.fecMechanisms.indexOf('RED')!==-1;var hasUlpfec=description.fecMechanisms.indexOf('ULPFEC')!==-1;var ssrcs=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(parts){return parts.attribute==='cname';});var primarySsrc=ssrcs.length>0&&ssrcs[0].ssrc;var secondarySsrc;var flows=SDPUtils.matchPrefix(mediaSection,'a=ssrc-group:FID').map(function(line){var parts=line.split(' ');parts.shift();return parts.map(function(part){return parseInt(part,10);});});if(flows.length>0&&flows[0].length>1&&flows[0][0]===primarySsrc){secondarySsrc=flows[0][1];}
+description.codecs.forEach(function(codec){if(codec.name.toUpperCase()==='RTX'&&codec.parameters.apt){var encParam={ssrc:primarySsrc,codecPayloadType:parseInt(codec.parameters.apt,10),rtx:{ssrc:secondarySsrc}};encodingParameters.push(encParam);if(hasRed){encParam=JSON.parse(JSON.stringify(encParam));encParam.fec={ssrc:secondarySsrc,mechanism:hasUlpfec?'red+ulpfec':'red'};encodingParameters.push(encParam);}}});if(encodingParameters.length===0&&primarySsrc){encodingParameters.push({ssrc:primarySsrc});}
+var bandwidth=SDPUtils.matchPrefix(mediaSection,'b=');if(bandwidth.length){if(bandwidth[0].indexOf('b=TIAS:')===0){bandwidth=parseInt(bandwidth[0].substr(7),10);}else if(bandwidth[0].indexOf('b=AS:')===0){bandwidth=parseInt(bandwidth[0].substr(5),10)*1000*0.95
+-(50*40*8);}else{bandwidth=undefined;}
+encodingParameters.forEach(function(params){params.maxBitrate=bandwidth;});}
+return encodingParameters;};SDPUtils.parseRtcpParameters=function(mediaSection){var rtcpParameters={};var cname;var remoteSsrc=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(obj){return obj.attribute==='cname';})[0];if(remoteSsrc){rtcpParameters.cname=remoteSsrc.value;rtcpParameters.ssrc=remoteSsrc.ssrc;}
+var rsize=SDPUtils.matchPrefix(mediaSection,'a=rtcp-rsize');rtcpParameters.reducedSize=rsize.length>0;rtcpParameters.compound=rsize.length===0;var mux=SDPUtils.matchPrefix(mediaSection,'a=rtcp-mux');rtcpParameters.mux=mux.length>0;return rtcpParameters;};SDPUtils.parseMsid=function(mediaSection){var parts;var spec=SDPUtils.matchPrefix(mediaSection,'a=msid:');if(spec.length===1){parts=spec[0].substr(7).split(' ');return{stream:parts[0],track:parts[1]};}
+var planB=SDPUtils.matchPrefix(mediaSection,'a=ssrc:').map(function(line){return SDPUtils.parseSsrcMedia(line);}).filter(function(parts){return parts.attribute==='msid';});if(planB.length>0){parts=planB[0].value.split(' ');return{stream:parts[0],track:parts[1]};}};SDPUtils.generateSessionId=function(){return Math.random().toString().substr(2,21);};SDPUtils.writeSessionBoilerplate=function(sessId){var sessionId;if(sessId){sessionId=sessId;}else{sessionId=SDPUtils.generateSessionId();}
+return'v=0\r\n'+'o=thisisadapterortc '+sessionId+' 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);sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters());sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),type==='offer'?'actpass':'active');sdp+='a=mid:'+transceiver.mid+'\r\n';if(transceiver.direction){sdp+='a='+transceiver.direction+'\r\n';}else if(transceiver.rtpSender&&transceiver.rtpReceiver){sdp+='a=sendrecv\r\n';}else if(transceiver.rtpSender){sdp+='a=sendonly\r\n';}else if(transceiver.rtpReceiver){sdp+='a=recvonly\r\n';}else{sdp+='a=inactive\r\n';}
+if(transceiver.rtpSender){var msid='msid:'+stream.id+' '+
+transceiver.rtpSender.track.id+'\r\n';sdp+='a='+msid;sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' '+msid;if(transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' '+msid;sdp+='a=ssrc-group:FID '+
+transceiver.sendEncodingParameters[0].ssrc+' '+
+transceiver.sendEncodingParameters[0].rtx.ssrc+'\r\n';}}
+sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].ssrc+' cname:'+SDPUtils.localCName+'\r\n';if(transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx){sdp+='a=ssrc:'+transceiver.sendEncodingParameters[0].rtx.ssrc+' cname:'+SDPUtils.localCName+'\r\n';}
+return sdp;};SDPUtils.getDirection=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);for(var i=0;i<lines.length;i++){switch(lines[i]){case'a=sendrecv':case'a=sendonly':case'a=recvonly':case'a=inactive':return lines[i].substr(2);default:}}
+if(sessionpart){return SDPUtils.getDirection(sessionpart);}
+return'sendrecv';};SDPUtils.getKind=function(mediaSection){var lines=SDPUtils.splitLines(mediaSection);var mline=lines[0].split(' ');return mline[0].substr(2);};SDPUtils.isRejected=function(mediaSection){return mediaSection.split(' ',2)[1]==='0';};module.exports=SDPUtils;},{}],2:[function(require,module,exports){(function(global){'use strict';var adapterFactory=require('./adapter_factory.js');module.exports=adapterFactory({window:global.window});}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./adapter_factory.js":3}],3:[function(require,module,exports){'use strict';module.exports=function(dependencies){var window=dependencies&&dependencies.window;var utils=require('./utils');var logging=utils.log;var browserDetails=utils.detectBrowser(window);var adapter={browserDetails:browserDetails,extractVersion:utils.extractVersion,disableLog:utils.disableLog,disableWarnings:utils.disableWarnings};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;switch(browserDetails.browser){case'chrome':if(!chromeShim||!chromeShim.shimPeerConnection){logging('Chrome shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming chrome.');adapter.browserShim=chromeShim;chromeShim.shimGetUserMedia(window);chromeShim.shimMediaStream(window);utils.shimCreateObjectURL(window);chromeShim.shimSourceObject(window);chromeShim.shimPeerConnection(window);chromeShim.shimOnTrack(window);chromeShim.shimGetSendersWithDtmf(window);break;case'firefox':if(!firefoxShim||!firefoxShim.shimPeerConnection){logging('Firefox shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming firefox.');adapter.browserShim=firefoxShim;firefoxShim.shimGetUserMedia(window);utils.shimCreateObjectURL(window);firefoxShim.shimSourceObject(window);firefoxShim.shimPeerConnection(window);firefoxShim.shimOnTrack(window);break;case'edge':if(!edgeShim||!edgeShim.shimPeerConnection){logging('MS edge shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming edge.');adapter.browserShim=edgeShim;edgeShim.shimGetUserMedia(window);utils.shimCreateObjectURL(window);edgeShim.shimPeerConnection(window);edgeShim.shimReplaceTrack(window);break;case'safari':if(!safariShim){logging('Safari shim is not included in this adapter release.');return adapter;}
+logging('adapter.js shimming safari.');adapter.browserShim=safariShim;utils.shimCreateObjectURL(window);safariShim.shimRTCIceServerUrls(window);safariShim.shimCallbacksAPI(window);safariShim.shimLocalStreamsAPI(window);safariShim.shimRemoteStreamsAPI(window);safariShim.shimGetUserMedia(window);break;default:logging('Unsupported browser!');break;}
+return adapter;};},{"./chrome/chrome_shim":4,"./edge/edge_shim":6,"./firefox/firefox_shim":9,"./safari/safari_shim":11,"./utils":12}],4:[function(require,module,exports){'use strict';var utils=require('../utils.js');var logging=utils.log;var chromeShim={shimMediaStream:function(window){window.MediaStream=window.MediaStream||window.webkitMediaStream;},shimOnTrack:function(window){if(typeof window==='object'&&window.RTCPeerConnection&&!('ontrack'in
+window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'ontrack',{get:function(){return this._ontrack;},set:function(f){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){e.stream.addEventListener('addtrack',function(te){var receiver;if(window.RTCPeerConnection.prototype.getReceivers){receiver=self.getReceivers().find(function(r){return r.track.id===te.track.id;});}else{receiver={track:te.track};}
+var event=new Event('track');event.track=te.track;event.receiver=receiver;event.streams=[e.stream];self.dispatchEvent(event);});e.stream.getTracks().forEach(function(track){var receiver;if(window.RTCPeerConnection.prototype.getReceivers){receiver=self.getReceivers().find(function(r){return r.track.id===track.id;});}else{receiver={track:track};}
+var event=new Event('track');event.track=track;event.receiver=receiver;event.streams=[e.stream];this.dispatchEvent(event);}.bind(this));}.bind(this));}});}},shimGetSendersWithDtmf:function(window){if(typeof window==='object'&&window.RTCPeerConnection&&!('getSenders'in window.RTCPeerConnection.prototype)&&'createDTMFSender'in window.RTCPeerConnection.prototype){window.RTCPeerConnection.prototype.getSenders=function(){return this._senders||[];};var origAddStream=window.RTCPeerConnection.prototype.addStream;var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;if(!window.RTCPeerConnection.prototype.addTrack){window.RTCPeerConnection.prototype.addTrack=function(track,stream){var pc=this;if(pc.signalingState==='closed'){throw new DOMException('The RTCPeerConnection\'s signalingState is \'closed\'.','InvalidStateError');}
+var streams=[].slice.call(arguments,1);if(streams.length!==1||!streams[0].getTracks().find(function(t){return t===track;})){throw new DOMException('The adapter.js addTrack polyfill only supports a single '+' stream which is associated with the specified track.','NotSupportedError');}
+pc._senders=pc._senders||[];var alreadyExists=pc._senders.find(function(t){return t.track===track;});if(alreadyExists){throw new DOMException('Track already exists.','InvalidAccessError');}
+pc._streams=pc._streams||{};var oldStream=pc._streams[stream.id];if(oldStream){oldStream.addTrack(track);pc.removeStream(oldStream);pc.addStream(oldStream);}else{var newStream=new window.MediaStream([track]);pc._streams[stream.id]=newStream;pc.addStream(newStream);}
+var sender={track:track,get dtmf(){if(this._dtmf===undefined){if(track.kind==='audio'){this._dtmf=pc.createDTMFSender(track);}else{this._dtmf=null;}}
+return this._dtmf;}};pc._senders.push(sender);return sender;};}
+window.RTCPeerConnection.prototype.addStream=function(stream){var pc=this;pc._senders=pc._senders||[];origAddStream.apply(pc,[stream]);stream.getTracks().forEach(function(track){pc._senders.push({track:track,get dtmf(){if(this._dtmf===undefined){if(track.kind==='audio'){this._dtmf=pc.createDTMFSender(track);}else{this._dtmf=null;}}
+return this._dtmf;}});});};window.RTCPeerConnection.prototype.removeStream=function(stream){var pc=this;pc._senders=pc._senders||[];origRemoveStream.apply(pc,[stream]);stream.getTracks().forEach(function(track){var sender=pc._senders.find(function(s){return s.track===track;});if(sender){pc._senders.splice(pc._senders.indexOf(sender),1);}});};}else if(typeof window==='object'&&window.RTCPeerConnection&&'getSenders'in window.RTCPeerConnection.prototype&&'createDTMFSender'in window.RTCPeerConnection.prototype&&window.RTCRtpSender&&!('dtmf'in window.RTCRtpSender.prototype)){var origGetSenders=window.RTCPeerConnection.prototype.getSenders;window.RTCPeerConnection.prototype.getSenders=function(){var pc=this;var senders=origGetSenders.apply(pc,[]);senders.forEach(function(sender){sender._pc=pc;});return senders;};Object.defineProperty(window.RTCRtpSender.prototype,'dtmf',{get:function(){if(this._dtmf===undefined){if(this.track.kind==='audio'){this._dtmf=this._pc.createDTMFSender(this.track);}else{this._dtmf=null;}}
+return this._dtmf;},});}},shimSourceObject:function(window){var URL=window&&window.URL;if(typeof window==='object'){if(window.HTMLMediaElement&&!('srcObject'in window.HTMLMediaElement.prototype)){Object.defineProperty(window.HTMLMediaElement.prototype,'srcObject',{get:function(){return this._srcObject;},set:function(stream){var self=this;this._srcObject=stream;if(this.src){URL.revokeObjectURL(this.src);}
+if(!stream){this.src='';return undefined;}
+this.src=URL.createObjectURL(stream);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(window){var browserDetails=utils.detectBrowser(window);if(!window.RTCPeerConnection){window.RTCPeerConnection=function(pcConfig,pcConstraints){logging('PeerConnection');if(pcConfig&&pcConfig.iceTransportPolicy){pcConfig.iceTransports=pcConfig.iceTransportPolicy;}
+return new window.webkitRTCPeerConnection(pcConfig,pcConstraints);};window.RTCPeerConnection.prototype=window.webkitRTCPeerConnection.prototype;if(window.webkitRTCPeerConnection.generateCertificate){Object.defineProperty(window.RTCPeerConnection,'generateCertificate',{get:function(){return window.webkitRTCPeerConnection.generateCertificate;}});}}else{var OrigPeerConnection=window.RTCPeerConnection;window.RTCPeerConnection=function(pcConfig,pcConstraints){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i<pcConfig.iceServers.length;i++){var server=pcConfig.iceServers[i];if(!server.hasOwnProperty('urls')&&server.hasOwnProperty('url')){console.warn('RTCIceServer.url is deprecated! Use urls instead.');server=JSON.parse(JSON.stringify(server));server.urls=server.url;newIceServers.push(server);}else{newIceServers.push(pcConfig.iceServers[i]);}}
+pcConfig.iceServers=newIceServers;}
+return new OrigPeerConnection(pcConfig,pcConstraints);};window.RTCPeerConnection.prototype=OrigPeerConnection.prototype;Object.defineProperty(window.RTCPeerConnection,'generateCertificate',{get:function(){return OrigPeerConnection.generateCertificate;}});}
+var origGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(selector,successCallback,errorCallback){var self=this;var args=arguments;if(arguments.length>0&&typeof selector==='function'){return origGetStats.apply(this,arguments);}
+if(origGetStats.length===0&&(arguments.length===0||typeof arguments[0]!=='function')){return origGetStats.apply(this,[]);}
+var fixChromeStats_=function(response){var standardReport={};var reports=response.result();reports.forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:{localcandidate:'local-candidate',remotecandidate:'remote-candidate'}[report.type]||report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name);});standardReport[standardStats.id]=standardStats;});return standardReport;};var makeMapStats=function(stats){return new Map(Object.keys(stats).map(function(key){return[key,stats[key]];}));};if(arguments.length>=2){var successCallbackWrapper_=function(response){args[1](makeMapStats(fixChromeStats_(response)));};return origGetStats.apply(this,[successCallbackWrapper_,arguments[0]]);}
+return new Promise(function(resolve,reject){origGetStats.apply(self,[function(response){resolve(makeMapStats(fixChromeStats_(response)));},reject]);}).then(successCallback,errorCallback);};if(browserDetails.version<51){['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){var args=arguments;var 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]);}});};});}
+if(browserDetails.version<52){['createOffer','createAnswer'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.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);};});}
+['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){arguments[0]=new((method==='addIceCandidate')?window.RTCIceCandidate:window.RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments);};});var nativeAddIceCandidate=window.RTCPeerConnection.prototype.addIceCandidate;window.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null);}
+return Promise.resolve();}
+return nativeAddIceCandidate.apply(this,arguments);};}};module.exports={shimMediaStream:chromeShim.shimMediaStream,shimOnTrack:chromeShim.shimOnTrack,shimGetSendersWithDtmf:chromeShim.shimGetSendersWithDtmf,shimSourceObject:chromeShim.shimSourceObject,shimPeerConnection:chromeShim.shimPeerConnection,shimGetUserMedia:require('./getusermedia')};},{"../utils.js":12,"./getusermedia":5}],5:[function(require,module,exports){'use strict';var utils=require('../utils.js');var logging=utils.log;module.exports=function(window){var browserDetails=utils.detectBrowser(window);var navigator=window&&window.navigator;var constraintsToChrome_=function(c){if(typeof c!=='object'||c.mandatory||c.optional){return c;}
+var cc={};Object.keys(c).forEach(function(key){if(key==='require'||key==='advanced'||key==='mediaSource'){return;}
+var r=(typeof c[key]==='object')?c[key]:{ideal:c[key]};if(r.exact!==undefined&&typeof r.exact==='number'){r.min=r.max=r.exact;}
+var oldname_=function(prefix,name){if(prefix){return prefix+name.charAt(0).toUpperCase()+name.slice(1);}
+return(name==='deviceId')?'sourceId':name;};if(r.ideal!==undefined){cc.optional=cc.optional||[];var oc={};if(typeof r.ideal==='number'){oc[oldname_('min',key)]=r.ideal;cc.optional.push(oc);oc={};oc[oldname_('max',key)]=r.ideal;cc.optional.push(oc);}else{oc[oldname_('',key)]=r.ideal;cc.optional.push(oc);}}
+if(r.exact!==undefined&&typeof r.exact!=='number'){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_('',key)]=r.exact;}else{['min','max'].forEach(function(mix){if(r[mix]!==undefined){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_(mix,key)]=r[mix];}});}});if(c.advanced){cc.optional=(cc.optional||[]).concat(c.advanced);}
+return cc;};var shimConstraints_=function(constraints,func){constraints=JSON.parse(JSON.stringify(constraints));if(constraints&&typeof constraints.audio==='object'){var remap=function(obj,a,b){if(a in obj&&!(b in obj)){obj[b]=obj[a];delete obj[a];}};constraints=JSON.parse(JSON.stringify(constraints));remap(constraints.audio,'autoGainControl','googAutoGainControl');remap(constraints.audio,'noiseSuppression','googNoiseSuppression');constraints.audio=constraintsToChrome_(constraints.audio);}
+if(constraints&&typeof constraints.video==='object'){var face=constraints.video.facingMode;face=face&&((typeof face==='object')?face:{ideal:face});var getSupportedFacingModeLies=browserDetails.version<61;if((face&&(face.exact==='user'||face.exact==='environment'||face.ideal==='user'||face.ideal==='environment'))&&!(navigator.mediaDevices.getSupportedConstraints&&navigator.mediaDevices.getSupportedConstraints().facingMode&&!getSupportedFacingModeLies)){delete constraints.video.facingMode;var matches;if(face.exact==='environment'||face.ideal==='environment'){matches=['back','rear'];}else if(face.exact==='user'||face.ideal==='user'){matches=['front'];}
+if(matches){return navigator.mediaDevices.enumerateDevices().then(function(devices){devices=devices.filter(function(d){return d.kind==='videoinput';});var dev=devices.find(function(d){return matches.some(function(match){return d.label.toLowerCase().indexOf(match)!==-1;});});if(!dev&&devices.length&&matches.indexOf('back')!==-1){dev=devices[devices.length-1];}
+if(dev){constraints.video.deviceId=face.exact?{exact:dev.deviceId}:{ideal:dev.deviceId};}
+constraints.video=constraintsToChrome_(constraints.video);logging('chrome: '+JSON.stringify(constraints));return func(constraints);});}}
+constraints.video=constraintsToChrome_(constraints.video);}
+logging('chrome: '+JSON.stringify(constraints));return func(constraints);};var shimError_=function(e){return{name:{PermissionDeniedError:'NotAllowedError',InvalidStateError:'NotReadableError',DevicesNotFoundError:'NotFoundError',ConstraintNotSatisfiedError:'OverconstrainedError',TrackStartError:'NotReadableError',MediaDeviceFailedDueToShutdown:'NotReadableError',MediaDeviceKillSwitchOn:'NotReadableError'}[e.name]||e.name,message:e.message,constraint:e.constraintName,toString:function(){return this.name+(this.message&&': ')+this.message;}};};var getUserMedia_=function(constraints,onSuccess,onError){shimConstraints_(constraints,function(c){navigator.webkitGetUserMedia(c,onSuccess,function(e){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 window.MediaStreamTrack.getSources(function(devices){resolve(devices.map(function(device){return{label:device.label,kind:kinds[device.kind],deviceId:device.id,groupId:''};}));});});},getSupportedConstraints:function(){return{deviceId:true,echoCancellation:true,facingMode:true,frameRate:true,height:true,width:true};}};}
+if(!navigator.mediaDevices.getUserMedia){navigator.mediaDevices.getUserMedia=function(constraints){return getUserMediaPromise_(constraints);};}else{var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(cs){return shimConstraints_(cs,function(c){return origGetUserMedia(c).then(function(stream){if(c.audio&&!stream.getAudioTracks().length||c.video&&!stream.getVideoTracks().length){stream.getTracks().forEach(function(track){track.stop();});throw new DOMException('','NotFoundError');}
+return stream;},function(e){return Promise.reject(shimError_(e));});});};}
+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":12}],6:[function(require,module,exports){'use strict';var utils=require('../utils');var shimRTCPeerConnection=require('./rtcpeerconnection_shim');module.exports={shimGetUserMedia:require('./getusermedia'),shimPeerConnection:function(window){var browserDetails=utils.detectBrowser(window);if(window.RTCIceGatherer){if(!window.RTCIceCandidate){window.RTCIceCandidate=function(args){return args;};}
+if(!window.RTCSessionDescription){window.RTCSessionDescription=function(args){return args;};}
+if(browserDetails.version<15025){var origMSTEnabled=Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype,'enabled');Object.defineProperty(window.MediaStreamTrack.prototype,'enabled',{set:function(value){origMSTEnabled.set.call(this,value);var ev=new Event('enabled');ev.enabled=value;this.dispatchEvent(ev);}});}}
+window.RTCPeerConnection=shimRTCPeerConnection(window,browserDetails.version);},shimReplaceTrack:function(window){if(window.RTCRtpSender&&!('replaceTrack'in window.RTCRtpSender.prototype)){window.RTCRtpSender.prototype.replaceTrack=window.RTCRtpSender.prototype.setTrack;}}};},{"../utils":12,"./getusermedia":7,"./rtcpeerconnection_shim":8}],7:[function(require,module,exports){'use strict';module.exports=function(window){var navigator=window&&window.navigator;var shimError_=function(e){return{name:{PermissionDeniedError:'NotAllowedError'}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name;}};};var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e));});};};},{}],8:[function(require,module,exports){'use strict';var SDPUtils=require('sdp');function sortTracks(tracks){var audioTracks=tracks.filter(function(track){return track.kind==='audio';});var videoTracks=tracks.filter(function(track){return track.kind==='video';});tracks=[];while(audioTracks.length||videoTracks.length){if(audioTracks.length){tracks.push(audioTracks.shift());}
+if(videoTracks.length){tracks.push(videoTracks.shift());}}
+return tracks;}
+function filterIceServers(iceServers,edgeVersion){var hasTurn=false;iceServers=JSON.parse(JSON.stringify(iceServers));return iceServers.filter(function(server){if(server&&(server.urls||server.url)){var urls=server.urls||server.url;if(server.url&&!server.urls){console.warn('RTCIceServer.url is deprecated! Use urls instead.');}
+var isString=typeof urls==='string';if(isString){urls=[urls];}
+urls=urls.filter(function(url){var validTurn=url.indexOf('turn:')===0&&url.indexOf('transport=udp')!==-1&&url.indexOf('turn:[')===-1&&!hasTurn;if(validTurn){hasTurn=true;return true;}
+return url.indexOf('stun:')===0&&edgeVersion>=14393;});delete server.url;server.urls=isString?urls[0]:urls;return!!urls.length;}
+return false;});}
+function getCommonCapabilities(localCapabilities,remoteCapabilities){var commonCapabilities={codecs:[],headerExtensions:[],fecMechanisms:[]};var findCodecByPayloadType=function(pt,codecs){pt=parseInt(pt,10);for(var i=0;i<codecs.length;i++){if(codecs[i].payloadType===pt||codecs[i].preferredPayloadType===pt){return codecs[i];}}};var rtxCapabilityMatches=function(lRtx,rRtx,lCodecs,rCodecs){var lCodec=findCodecByPayloadType(lRtx.parameters.apt,lCodecs);var rCodec=findCodecByPayloadType(rRtx.parameters.apt,rCodecs);return lCodec&&rCodec&&lCodec.name.toLowerCase()===rCodec.name.toLowerCase();};localCapabilities.codecs.forEach(function(lCodec){for(var i=0;i<remoteCapabilities.codecs.length;i++){var rCodec=remoteCapabilities.codecs[i];if(lCodec.name.toLowerCase()===rCodec.name.toLowerCase()&&lCodec.clockRate===rCodec.clockRate){if(lCodec.name.toLowerCase()==='rtx'&&lCodec.parameters&&rCodec.parameters.apt){if(!rtxCapabilityMatches(lCodec,rCodec,localCapabilities.codecs,remoteCapabilities.codecs)){continue;}}
+rCodec=JSON.parse(JSON.stringify(rCodec));rCodec.numChannels=Math.min(lCodec.numChannels,rCodec.numChannels);commonCapabilities.codecs.push(rCodec);rCodec.rtcpFeedback=rCodec.rtcpFeedback.filter(function(fb){for(var j=0;j<lCodec.rtcpFeedback.length;j++){if(lCodec.rtcpFeedback[j].type===fb.type&&lCodec.rtcpFeedback[j].parameter===fb.parameter){return true;}}
+return false;});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;}}});return commonCapabilities;}
+function isActionAllowedInSignalingState(action,type,signalingState){return{offer:{setLocalDescription:['stable','have-local-offer'],setRemoteDescription:['stable','have-remote-offer']},answer:{setLocalDescription:['have-remote-offer','have-local-pranswer'],setRemoteDescription:['have-local-offer','have-remote-pranswer']}}[type][action].indexOf(signalingState)!==-1;}
+module.exports=function(window,edgeVersion){var RTCPeerConnection=function(config){var self=this;var _eventTarget=document.createDocumentFragment();['addEventListener','removeEventListener','dispatchEvent'].forEach(function(method){self[method]=_eventTarget[method].bind(_eventTarget);});this.needNegotiation=false;this.onicecandidate=null;this.onaddstream=null;this.ontrack=null;this.onremovestream=null;this.onsignalingstatechange=null;this.oniceconnectionstatechange=null;this.onicegatheringstatechange=null;this.onnegotiationneeded=null;this.ondatachannel=null;this.canTrickleIceCandidates=null;this.localStreams=[];this.remoteStreams=[];this.getLocalStreams=function(){return self.localStreams;};this.getRemoteStreams=function(){return self.remoteStreams;};this.localDescription=new window.RTCSessionDescription({type:'',sdp:''});this.remoteDescription=new window.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;default:break;}}
+this.usingBundle=config&&config.bundlePolicy==='max-bundle';if(config&&config.iceServers){this.iceOptions.iceServers=filterIceServers(config.iceServers,edgeVersion);}
+this._config=config||{};this.transceivers=[];this._localIceCandidatesBuffer=[];this._sdpSessionId=SDPUtils.generateSessionId();};RTCPeerConnection.prototype._emitGatheringStateChange=function(){var event=new Event('icegatheringstatechange');this.dispatchEvent(event);if(this.onicegatheringstatechange!==null){this.onicegatheringstatechange(event);}};RTCPeerConnection.prototype._emitBufferedCandidates=function(){var self=this;var sections=SDPUtils.splitSections(self.localDescription.sdp);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{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.iceGatheringStateChange!=='complete'){self.iceGatheringState='complete';self._emitGatheringStateChange();}}});this._localIceCandidatesBuffer=[];};RTCPeerConnection.prototype.getConfiguration=function(){return this._config;};RTCPeerConnection.prototype._createTransceiver=function(kind){var hasBundleTransport=this.transceivers.length>0;var transceiver={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:kind,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,wantReceive:true};if(this.usingBundle&&hasBundleTransport){transceiver.iceTransport=this.transceivers[0].iceTransport;transceiver.dtlsTransport=this.transceivers[0].dtlsTransport;}else{var transports=this._createIceAndDtlsTransports();transceiver.iceTransport=transports.iceTransport;transceiver.dtlsTransport=transports.dtlsTransport;}
+this.transceivers.push(transceiver);return transceiver;};RTCPeerConnection.prototype.addTrack=function(track,stream){var transceiver;for(var i=0;i<this.transceivers.length;i++){if(!this.transceivers[i].track&&this.transceivers[i].kind===track.kind){transceiver=this.transceivers[i];}}
+if(!transceiver){transceiver=this._createTransceiver(track.kind);}
+transceiver.track=track;transceiver.stream=stream;transceiver.rtpSender=new window.RTCRtpSender(track,transceiver.dtlsTransport);this._maybeFireNegotiationNeeded();return transceiver.rtpSender;};RTCPeerConnection.prototype.addStream=function(stream){var self=this;if(edgeVersion>=15025){this.localStreams.push(stream);stream.getTracks().forEach(function(track){self.addTrack(track,stream);});}else{var clonedStream=stream.clone();stream.getTracks().forEach(function(track,idx){var clonedTrack=clonedStream.getTracks()[idx];track.addEventListener('enabled',function(event){clonedTrack.enabled=event.enabled;});});clonedStream.getTracks().forEach(function(track){self.addTrack(track,clonedStream);});this.localStreams.push(clonedStream);}
+this._maybeFireNegotiationNeeded();};RTCPeerConnection.prototype.removeStream=function(stream){var idx=this.localStreams.indexOf(stream);if(idx>-1){this.localStreams.splice(idx,1);this._maybeFireNegotiationNeeded();}};RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpSender;}).map(function(transceiver){return transceiver.rtpSender;});};RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpReceiver;}).map(function(transceiver){return transceiver.rtpReceiver;});};RTCPeerConnection.prototype._createIceGatherer=function(mid,sdpMLineIndex){var self=this;var iceGatherer=new window.RTCIceGatherer(self.iceOptions);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;if(end){if(iceGatherer.state===undefined){iceGatherer.state='completed';}}else{cand.component=1;event.candidate.candidate=SDPUtils.writeCandidate(cand);}
+var sections=SDPUtils.splitSections(self.localDescription.sdp);if(!end){sections[event.candidate.sdpMLineIndex+1]+='a='+event.candidate.candidate+'\r\n';}else{sections[event.candidate.sdpMLineIndex+1]+='a=end-of-candidates\r\n';}
+self.localDescription.sdp=sections.join('');var transceivers=self._pendingOffer?self._pendingOffer:self.transceivers;var complete=transceivers.every(function(transceiver){return transceiver.iceGatherer&&transceiver.iceGatherer.state==='completed';});switch(self.iceGatheringState){case'new':if(!end){self._localIceCandidatesBuffer.push(event);}
+if(end&&complete){self._localIceCandidatesBuffer.push(new Event('icecandidate'));}
+break;case'gathering':self._emitBufferedCandidates();if(!end){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';self._emitGatheringStateChange();}
+break;case'complete':break;default:break;}};return iceGatherer;};RTCPeerConnection.prototype._createIceAndDtlsTransports=function(){var self=this;var iceTransport=new window.RTCIceTransport(null);iceTransport.onicestatechange=function(){self._updateConnectionState();};var dtlsTransport=new window.RTCDtlsTransport(iceTransport);dtlsTransport.ondtlsstatechange=function(){self._updateConnectionState();};dtlsTransport.onerror=function(){Object.defineProperty(dtlsTransport,'state',{value:'failed',writable:true});self._updateConnectionState();};return{iceTransport:iceTransport,dtlsTransport:dtlsTransport};};RTCPeerConnection.prototype._disposeIceAndDtlsTransports=function(sdpMLineIndex){var iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;if(iceGatherer){delete iceGatherer.onlocalcandidate;delete this.transceivers[sdpMLineIndex].iceGatherer;}
+var iceTransport=this.transceivers[sdpMLineIndex].iceTransport;if(iceTransport){delete iceTransport.onicestatechange;delete this.transceivers[sdpMLineIndex].iceTransport;}
+var dtlsTransport=this.transceivers[sdpMLineIndex].dtlsTransport;if(dtlsTransport){delete dtlsTransport.ondtlssttatechange;delete dtlsTransport.onerror;delete this.transceivers[sdpMLineIndex].dtlsTransport;}};RTCPeerConnection.prototype._transceive=function(transceiver,send,recv){var params=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);if(send&&transceiver.rtpSender){params.encodings=transceiver.sendEncodingParameters;params.rtcp={cname:SDPUtils.localCName,compound:transceiver.rtcpParameters.compound};if(transceiver.recvEncodingParameters.length){params.rtcp.ssrc=transceiver.recvEncodingParameters[0].ssrc;}
+transceiver.rtpSender.send(params);}
+if(recv&&transceiver.rtpReceiver){if(transceiver.kind==='video'&&transceiver.recvEncodingParameters&&edgeVersion<15019){transceiver.recvEncodingParameters.forEach(function(p){delete p.rtx;});}
+params.encodings=transceiver.recvEncodingParameters;params.rtcp={cname:transceiver.rtcpParameters.cname,compound:transceiver.rtcpParameters.compound};if(transceiver.sendEncodingParameters.length){params.rtcp.ssrc=transceiver.sendEncodingParameters[0].ssrc;}
+transceiver.rtpReceiver.receive(params);}};RTCPeerConnection.prototype.setLocalDescription=function(description){var self=this;if(!isActionAllowedInSignalingState('setLocalDescription',description.type,this.signalingState)){var e=new Error('Can not set local '+description.type+' in state '+this.signalingState);e.name='InvalidStateError';if(arguments.length>2&&typeof arguments[2]==='function'){window.setTimeout(arguments[2],0,e);}
+return Promise.reject(e);}
+var sections;var sessionpart;if(description.type==='offer'){if(this._pendingOffer){sections=SDPUtils.splitSections(description.sdp);sessionpart=sections.shift();sections.forEach(function(mediaSection,sdpMLineIndex){var caps=SDPUtils.parseRtpParameters(mediaSection);self._pendingOffer[sdpMLineIndex].localCapabilities=caps;});this.transceivers=this._pendingOffer;delete this._pendingOffer;}}else if(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=SDPUtils.isRejected(mediaSection);if(!rejected&&!transceiver.isDatachannel){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);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);}
+var params=getCommonCapabilities(localCapabilities,remoteCapabilities);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+'"');}
+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._emitGatheringStateChange();}
+self._emitBufferedCandidates();},0);}
+var p=Promise.resolve();p.then(function(){if(!hasCallback){if(self.iceGatheringState==='new'){self.iceGatheringState='gathering';self._emitGatheringStateChange();}
+window.setTimeout(self._emitBufferedCandidates.bind(self),500);}});return p;};RTCPeerConnection.prototype.setRemoteDescription=function(description){var self=this;if(!isActionAllowedInSignalingState('setRemoteDescription',description.type,this.signalingState)){var e=new Error('Can not set remote '+description.type+' in state '+this.signalingState);e.name='InvalidStateError';if(arguments.length>2&&typeof arguments[2]==='function'){window.setTimeout(arguments[2],0,e);}
+return Promise.reject(e);}
+var streams={};var receiverList=[];var sections=SDPUtils.splitSections(description.sdp);var sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,'a=ice-lite').length>0;var usingBundle=SDPUtils.matchPrefix(sessionpart,'a=group:BUNDLE ').length>0;this.usingBundle=usingBundle;var iceOptions=SDPUtils.matchPrefix(sessionpart,'a=ice-options:')[0];if(iceOptions){this.canTrickleIceCandidates=iceOptions.substr(14).split(' ').indexOf('trickle')>=0;}else{this.canTrickleIceCandidates=false;}
+sections.forEach(function(mediaSection,sdpMLineIndex){var lines=SDPUtils.splitLines(mediaSection);var kind=SDPUtils.getKind(mediaSection);var rejected=SDPUtils.isRejected(mediaSection);var protocol=lines[0].substr(2).split(' ')[2];var direction=SDPUtils.getDirection(mediaSection,sessionpart);var remoteMsid=SDPUtils.parseMsid(mediaSection);var mid=SDPUtils.getMid(mediaSection)||SDPUtils.generateIdentifier();if(kind==='application'&&protocol==='DTLS/SCTP'){self.transceivers[sdpMLineIndex]={mid:mid,isDatachannel:true};return;}
+var transceiver;var iceGatherer;var iceTransport;var dtlsTransport;var rtpReceiver;var sendEncodingParameters;var recvEncodingParameters;var localCapabilities;var track;var remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);var remoteIceParameters;var remoteDtlsParameters;if(!rejected){remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);remoteDtlsParameters.role='client';}
+recvEncodingParameters=SDPUtils.parseRtpEncodingParameters(mediaSection);var rtcpParameters=SDPUtils.parseRtcpParameters(mediaSection);var isComplete=SDPUtils.matchPrefix(mediaSection,'a=end-of-candidates',sessionpart).length>0;var cands=SDPUtils.matchPrefix(mediaSection,'a=candidate:').map(function(cand){return SDPUtils.parseCandidate(cand);}).filter(function(cand){return cand.component==='1'||cand.component===1;});if((description.type==='offer'||description.type==='answer')&&!rejected&&usingBundle&&sdpMLineIndex>0&&self.transceivers[sdpMLineIndex]){self._disposeIceAndDtlsTransports(sdpMLineIndex);self.transceivers[sdpMLineIndex].iceGatherer=self.transceivers[0].iceGatherer;self.transceivers[sdpMLineIndex].iceTransport=self.transceivers[0].iceTransport;self.transceivers[sdpMLineIndex].dtlsTransport=self.transceivers[0].dtlsTransport;if(self.transceivers[sdpMLineIndex].rtpSender){self.transceivers[sdpMLineIndex].rtpSender.setTransport(self.transceivers[0].dtlsTransport);}
+if(self.transceivers[sdpMLineIndex].rtpReceiver){self.transceivers[sdpMLineIndex].rtpReceiver.setTransport(self.transceivers[0].dtlsTransport);}}
+if(description.type==='offer'&&!rejected){transceiver=self.transceivers[sdpMLineIndex]||self._createTransceiver(kind);transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=usingBundle&&sdpMLineIndex>0?self.transceivers[0].iceGatherer:self._createIceGatherer(mid,sdpMLineIndex);}
+if(isComplete&&(!usingBundle||sdpMLineIndex===0)){transceiver.iceTransport.setRemoteCandidates(cands);}
+localCapabilities=window.RTCRtpReceiver.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=='rtx';});}
+sendEncodingParameters=[{ssrc:(2*sdpMLineIndex+2)*1001}];if(direction==='sendrecv'||direction==='sendonly'){rtpReceiver=new window.RTCRtpReceiver(transceiver.dtlsTransport,kind);track=rtpReceiver.track;if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new window.MediaStream();Object.defineProperty(streams[remoteMsid.stream],'id',{get:function(){return remoteMsid.stream;}});}
+Object.defineProperty(track,'id',{get:function(){return remoteMsid.track;}});streams[remoteMsid.stream].addTrack(track);receiverList.push([track,rtpReceiver,streams[remoteMsid.stream]]);}else{if(!streams.default){streams.default=new window.MediaStream();}
+streams.default.addTrack(track);receiverList.push([track,rtpReceiver,streams.default]);}}
+transceiver.localCapabilities=localCapabilities;transceiver.remoteCapabilities=remoteCapabilities;transceiver.rtpReceiver=rtpReceiver;transceiver.rtcpParameters=rtcpParameters;transceiver.sendEncodingParameters=sendEncodingParameters;transceiver.recvEncodingParameters=recvEncodingParameters;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;rtpReceiver=transceiver.rtpReceiver;sendEncodingParameters=transceiver.sendEncodingParameters;localCapabilities=transceiver.localCapabilities;self.transceivers[sdpMLineIndex].recvEncodingParameters=recvEncodingParameters;self.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities;self.transceivers[sdpMLineIndex].rtcpParameters=rtcpParameters;if((isIceLite||isComplete)&&cands.length){iceTransport.setRemoteCandidates(cands);}
+if(!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;if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new window.MediaStream();}
+streams[remoteMsid.stream].addTrack(track);receiverList.push([track,rtpReceiver,streams[remoteMsid.stream]]);}else{if(!streams.default){streams.default=new window.MediaStream();}
+streams.default.addTrack(track);receiverList.push([track,rtpReceiver,streams.default]);}}else{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+'"');}
+Object.keys(streams).forEach(function(sid){var stream=streams[sid];if(stream.getTracks().length){self.remoteStreams.push(stream);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];if(stream.id!==item[2].id){return;}
+var trackEvent=new Event('track');trackEvent.track=track;trackEvent.receiver=receiver;trackEvent.streams=[stream];self.dispatchEvent(trackEvent);if(self.ontrack!==null){window.setTimeout(function(){self.ontrack(trackEvent);},0);}});}});window.setTimeout(function(){if(!(self&&self.transceivers)){return;}
+self.transceivers.forEach(function(transceiver){if(transceiver.iceTransport&&transceiver.iceTransport.state==='new'&&transceiver.iceTransport.getRemoteCandidates().length>0){console.warn('Timeout for addRemoteCandidate. Consider sending '+'an end-of-candidates notification');transceiver.iceTransport.addRemoteCandidate({});}});},4000);if(arguments.length>1&&typeof arguments[1]==='function'){window.setTimeout(arguments[1],0);}
+return Promise.resolve();};RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport){transceiver.iceTransport.stop();}
+if(transceiver.dtlsTransport){transceiver.dtlsTransport.stop();}
+if(transceiver.rtpSender){transceiver.rtpSender.stop();}
+if(transceiver.rtpReceiver){transceiver.rtpReceiver.stop();}});this._updateSignalingState('closed');};RTCPeerConnection.prototype._updateSignalingState=function(newState){this.signalingState=newState;var event=new Event('signalingstatechange');this.dispatchEvent(event);if(this.onsignalingstatechange!==null){this.onsignalingstatechange(event);}};RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var self=this;if(this.signalingState!=='stable'||this.needNegotiation===true){return;}
+this.needNegotiation=true;window.setTimeout(function(){if(self.needNegotiation===false){return;}
+self.needNegotiation=false;var event=new Event('negotiationneeded');self.dispatchEvent(event);if(self.onnegotiationneeded!==null){self.onnegotiationneeded(event);}},0);};RTCPeerConnection.prototype._updateConnectionState=function(){var self=this;var newState;var states={'new':0,closed:0,connecting:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(transceiver){states[transceiver.iceTransport.state]++;states[transceiver.dtlsTransport.state]++;});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);}}};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 numAudioTracks=this.transceivers.filter(function(t){return t.kind==='audio';}).length;var numVideoTracks=this.transceivers.filter(function(t){return t.kind==='video';}).length;if(offerOptions){if(offerOptions.mandatory||offerOptions.optional){throw new TypeError('Legacy mandatory/optional constraints not supported.');}
+if(offerOptions.offerToReceiveAudio!==undefined){if(offerOptions.offerToReceiveAudio===true){numAudioTracks=1;}else if(offerOptions.offerToReceiveAudio===false){numAudioTracks=0;}else{numAudioTracks=offerOptions.offerToReceiveAudio;}}
+if(offerOptions.offerToReceiveVideo!==undefined){if(offerOptions.offerToReceiveVideo===true){numVideoTracks=1;}else if(offerOptions.offerToReceiveVideo===false){numVideoTracks=0;}else{numVideoTracks=offerOptions.offerToReceiveVideo;}}}
+this.transceivers.forEach(function(transceiver){if(transceiver.kind==='audio'){numAudioTracks--;if(numAudioTracks<0){transceiver.wantReceive=false;}}else if(transceiver.kind==='video'){numVideoTracks--;if(numVideoTracks<0){transceiver.wantReceive=false;}}});while(numAudioTracks>0||numVideoTracks>0){if(numAudioTracks>0){this._createTransceiver('audio');numAudioTracks--;}
+if(numVideoTracks>0){this._createTransceiver('video');numVideoTracks--;}}
+var transceivers=sortTracks(this.transceivers);var sdp=SDPUtils.writeSessionBoilerplate(this._sdpSessionId);transceivers.forEach(function(transceiver,sdpMLineIndex){var track=transceiver.track;var kind=transceiver.kind;var mid=SDPUtils.generateIdentifier();transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=self.usingBundle&&sdpMLineIndex>0?transceivers[0].iceGatherer:self._createIceGatherer(mid,sdpMLineIndex);}
+var localCapabilities=window.RTCRtpSender.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=='rtx';});}
+localCapabilities.codecs.forEach(function(codec){if(codec.name==='H264'&&codec.parameters['level-asymmetry-allowed']===undefined){codec.parameters['level-asymmetry-allowed']='1';}});var sendEncodingParameters=[{ssrc:(2*sdpMLineIndex+1)*1001}];if(track){if(edgeVersion>=15019&&kind==='video'){sendEncodingParameters[0].rtx={ssrc:(2*sdpMLineIndex+1)*1001+1};}}
+if(transceiver.wantReceive){transceiver.rtpReceiver=new window.RTCRtpReceiver(transceiver.dtlsTransport,kind);}
+transceiver.localCapabilities=localCapabilities;transceiver.sendEncodingParameters=sendEncodingParameters;});if(this._config.bundlePolicy!=='max-compat'){sdp+='a=group:BUNDLE '+transceivers.map(function(t){return t.mid;}).join(' ')+'\r\n';}
+sdp+='a=ice-options:trickle\r\n';transceivers.forEach(function(transceiver,sdpMLineIndex){sdp+=SDPUtils.writeMediaSection(transceiver,transceiver.localCapabilities,'offer',transceiver.stream);sdp+='a=rtcp-rsize\r\n';});this._pendingOffer=transceivers;var desc=new window.RTCSessionDescription({type:'offer',sdp:sdp});if(arguments.length&&typeof arguments[0]==='function'){window.setTimeout(arguments[0],0,desc);}
+return Promise.resolve(desc);};RTCPeerConnection.prototype.createAnswer=function(){var sdp=SDPUtils.writeSessionBoilerplate(this._sdpSessionId);if(this.usingBundle){sdp+='a=group:BUNDLE '+this.transceivers.map(function(t){return t.mid;}).join(' ')+'\r\n';}
+this.transceivers.forEach(function(transceiver,sdpMLineIndex){if(transceiver.isDatachannel){sdp+='m=application 0 DTLS/SCTP 5000\r\n'+'c=IN IP4 0.0.0.0\r\n'+'a=mid:'+transceiver.mid+'\r\n';return;}
+if(transceiver.stream){var localTrack;if(transceiver.kind==='audio'){localTrack=transceiver.stream.getAudioTracks()[0];}else if(transceiver.kind==='video'){localTrack=transceiver.stream.getVideoTracks()[0];}
+if(localTrack){if(edgeVersion>=15019&&transceiver.kind==='video'){transceiver.sendEncodingParameters[0].rtx={ssrc:(2*sdpMLineIndex+2)*1001+1};}}}
+var commonCapabilities=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);var hasRtx=commonCapabilities.codecs.filter(function(c){return c.name.toLowerCase()==='rtx';}).length;if(!hasRtx&&transceiver.sendEncodingParameters[0].rtx){delete transceiver.sendEncodingParameters[0].rtx;}
+sdp+=SDPUtils.writeMediaSection(transceiver,commonCapabilities,'answer',transceiver.stream);if(transceiver.rtcpParameters&&transceiver.rtcpParameters.reducedSize){sdp+='a=rtcp-rsize\r\n';}});var desc=new window.RTCSessionDescription({type:'answer',sdp:sdp});if(arguments.length&&typeof arguments[0]==='function'){window.setTimeout(arguments[0],0,desc);}
+return Promise.resolve(desc);};RTCPeerConnection.prototype.addIceCandidate=function(candidate){if(!candidate){for(var j=0;j<this.transceivers.length;j++){this.transceivers[j].iceTransport.addRemoteCandidate({});if(this.usingBundle){return Promise.resolve();}}}else{var mLineIndex=candidate.sdpMLineIndex;if(candidate.sdpMid){for(var i=0;i<this.transceivers.length;i++){if(this.transceivers[i].mid===candidate.sdpMid){mLineIndex=i;break;}}}
+var transceiver=this.transceivers[mLineIndex];if(transceiver){var cand=Object.keys(candidate.candidate).length>0?SDPUtils.parseCandidate(candidate.candidate):{};if(cand.protocol==='tcp'&&(cand.port===0||cand.port===9)){return Promise.resolve();}
+if(cand.component&&!(cand.component==='1'||cand.component===1)){return Promise.resolve();}
+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('');}}
+if(arguments.length>1&&typeof arguments[1]==='function'){window.setTimeout(arguments[1],0);}
+return Promise.resolve();};RTCPeerConnection.prototype.getStats=function(){var promises=[];this.transceivers.forEach(function(transceiver){['rtpSender','rtpReceiver','iceGatherer','iceTransport','dtlsTransport'].forEach(function(method){if(transceiver[method]){promises.push(transceiver[method].getStats());}});});var cb=arguments.length>1&&typeof arguments[1]==='function'&&arguments[1];var fixStatsType=function(stat){return{inboundrtp:'inbound-rtp',outboundrtp:'outbound-rtp',candidatepair:'candidate-pair',localcandidate:'local-candidate',remotecandidate:'remote-candidate'}[stat.type]||stat.type;};return new Promise(function(resolve){var results=new Map();Promise.all(promises).then(function(res){res.forEach(function(result){Object.keys(result).forEach(function(id){result[id].type=fixStatsType(result[id]);results.set(id,result[id]);});});if(cb){window.setTimeout(cb,0,results);}
+resolve(results);});});};return RTCPeerConnection;};},{"sdp":1}],9:[function(require,module,exports){'use strict';var utils=require('../utils');var firefoxShim={shimOnTrack:function(window){if(typeof window==='object'&&window.RTCPeerConnection&&!('ontrack'in
+window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'ontrack',{get:function(){return this._ontrack;},set:function(f){if(this._ontrack){this.removeEventListener('track',this._ontrack);this.removeEventListener('addstream',this._ontrackpoly);}
+this.addEventListener('track',this._ontrack=f);this.addEventListener('addstream',this._ontrackpoly=function(e){e.stream.getTracks().forEach(function(track){var event=new Event('track');event.track=track;event.receiver={track:track};event.streams=[e.stream];this.dispatchEvent(event);}.bind(this));}.bind(this));}});}},shimSourceObject:function(window){if(typeof window==='object'){if(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(window){var browserDetails=utils.detectBrowser(window);if(typeof window!=='object'||!(window.RTCPeerConnection||window.mozRTCPeerConnection)){return;}
+if(!window.RTCPeerConnection){window.RTCPeerConnection=function(pcConfig,pcConstraints){if(browserDetails.version<38){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i<pcConfig.iceServers.length;i++){var server=pcConfig.iceServers[i];if(server.hasOwnProperty('urls')){for(var j=0;j<server.urls.length;j++){var newServer={url:server.urls[j]};if(server.urls[j].indexOf('turn')===0){newServer.username=server.username;newServer.credential=server.credential;}
+newIceServers.push(newServer);}}else{newIceServers.push(pcConfig.iceServers[i]);}}
+pcConfig.iceServers=newIceServers;}}
+return new window.mozRTCPeerConnection(pcConfig,pcConstraints);};window.RTCPeerConnection.prototype=window.mozRTCPeerConnection.prototype;if(window.mozRTCPeerConnection.generateCertificate){Object.defineProperty(window.RTCPeerConnection,'generateCertificate',{get:function(){return window.mozRTCPeerConnection.generateCertificate;}});}
+window.RTCSessionDescription=window.mozRTCSessionDescription;window.RTCIceCandidate=window.mozRTCIceCandidate;}
+['setLocalDescription','setRemoteDescription','addIceCandidate'].forEach(function(method){var nativeMethod=window.RTCPeerConnection.prototype[method];window.RTCPeerConnection.prototype[method]=function(){arguments[0]=new((method==='addIceCandidate')?window.RTCIceCandidate:window.RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments);};});var nativeAddIceCandidate=window.RTCPeerConnection.prototype.addIceCandidate;window.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null);}
+return Promise.resolve();}
+return nativeAddIceCandidate.apply(this,arguments);};var makeMapStats=function(stats){var map=new Map();Object.keys(stats).forEach(function(key){map.set(key,stats[key]);map[key]=stats[key];});return map;};var modernStatsTypes={inboundrtp:'inbound-rtp',outboundrtp:'outbound-rtp',candidatepair:'candidate-pair',localcandidate:'local-candidate',remotecandidate:'remote-candidate'};var nativeGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(selector,onSucc,onErr){return nativeGetStats.apply(this,[selector||null]).then(function(stats){if(browserDetails.version<48){stats=makeMapStats(stats);}
+if(browserDetails.version<53&&!onSucc){try{stats.forEach(function(stat){stat.type=modernStatsTypes[stat.type]||stat.type;});}catch(e){if(e.name!=='TypeError'){throw e;}
+stats.forEach(function(stat,i){stats.set(i,Object.assign({},stat,{type:modernStatsTypes[stat.type]||stat.type}));});}}
+return stats;}).then(onSucc,onErr);};}};module.exports={shimOnTrack:firefoxShim.shimOnTrack,shimSourceObject:firefoxShim.shimSourceObject,shimPeerConnection:firefoxShim.shimPeerConnection,shimGetUserMedia:require('./getusermedia')};},{"../utils":12,"./getusermedia":10}],10:[function(require,module,exports){'use strict';var utils=require('../utils');var logging=utils.log;module.exports=function(window){var browserDetails=utils.detectBrowser(window);var navigator=window&&window.navigator;var MediaStreamTrack=window&&window.MediaStreamTrack;var shimError_=function(e){return{name:{InternalError:'NotReadableError',NotSupportedError:'TypeError',PermissionDeniedError:'NotAllowedError',SecurityError:'NotAllowedError'}[e.name]||e.name,message:{'The operation is insecure.':'The request is not allowed by the '+'user agent or the platform in the current context.'}[e.message]||e.message,constraint:e.constraint,toString:function(){return this.name+(this.message&&': ')+this.message;}};};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));});};var getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){getUserMedia_(constraints,resolve,reject);});};if(!navigator.mediaDevices){navigator.mediaDevices={getUserMedia:getUserMediaPromise_,addEventListener:function(){},removeEventListener:function(){}};}
+navigator.mediaDevices.enumerateDevices=navigator.mediaDevices.enumerateDevices||function(){return new Promise(function(resolve){var infos=[{kind:'audioinput',deviceId:'default',label:'',groupId:''},{kind:'videoinput',deviceId:'default',label:'',groupId:''}];resolve(infos);});};if(browserDetails.version<41){var orgEnumerateDevices=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return orgEnumerateDevices().then(undefined,function(e){if(e.name==='NotFoundError'){return[];}
+throw e;});};}
+if(browserDetails.version<49){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).then(function(stream){if(c.audio&&!stream.getAudioTracks().length||c.video&&!stream.getVideoTracks().length){stream.getTracks().forEach(function(track){track.stop();});throw new DOMException('The object can not be found here.','NotFoundError');}
+return stream;},function(e){return Promise.reject(shimError_(e));});};}
+if(!(browserDetails.version>55&&'autoGainControl'in navigator.mediaDevices.getSupportedConstraints())){var remap=function(obj,a,b){if(a in obj&&!(b in obj)){obj[b]=obj[a];delete obj[a];}};var nativeGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){if(typeof c==='object'&&typeof c.audio==='object'){c=JSON.parse(JSON.stringify(c));remap(c.audio,'autoGainControl','mozAutoGainControl');remap(c.audio,'noiseSuppression','mozNoiseSuppression');}
+return nativeGetUserMedia(c);};if(MediaStreamTrack&&MediaStreamTrack.prototype.getSettings){var nativeGetSettings=MediaStreamTrack.prototype.getSettings;MediaStreamTrack.prototype.getSettings=function(){var obj=nativeGetSettings.apply(this,arguments);remap(obj,'mozAutoGainControl','autoGainControl');remap(obj,'mozNoiseSuppression','noiseSuppression');return obj;};}
+if(MediaStreamTrack&&MediaStreamTrack.prototype.applyConstraints){var nativeApplyConstraints=MediaStreamTrack.prototype.applyConstraints;MediaStreamTrack.prototype.applyConstraints=function(c){if(this.kind==='audio'&&typeof c==='object'){c=JSON.parse(JSON.stringify(c));remap(c,'autoGainControl','mozAutoGainControl');remap(c,'noiseSuppression','mozNoiseSuppression');}
+return nativeApplyConstraints.apply(this,[c]);};}}
+navigator.getUserMedia=function(constraints,onSuccess,onError){if(browserDetails.version<44){return getUserMedia_(constraints,onSuccess,onError);}
+console.warn('navigator.getUserMedia has been replaced by '+'navigator.mediaDevices.getUserMedia');navigator.mediaDevices.getUserMedia(constraints).then(onSuccess,onError);};};},{"../utils":12}],11:[function(require,module,exports){'use strict';var utils=require('../utils');var safariShim={shimLocalStreamsAPI:function(window){if(typeof window!=='object'||!window.RTCPeerConnection){return;}
+if(!('getLocalStreams'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getLocalStreams=function(){if(!this._localStreams){this._localStreams=[];}
+return this._localStreams;};}
+if(!('getStreamById'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getStreamById=function(id){var result=null;if(this._localStreams){this._localStreams.forEach(function(stream){if(stream.id===id){result=stream;}});}
+if(this._remoteStreams){this._remoteStreams.forEach(function(stream){if(stream.id===id){result=stream;}});}
+return result;};}
+if(!('addStream'in window.RTCPeerConnection.prototype)){var _addTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addStream=function(stream){if(!this._localStreams){this._localStreams=[];}
+if(this._localStreams.indexOf(stream)===-1){this._localStreams.push(stream);}
+var self=this;stream.getTracks().forEach(function(track){_addTrack.call(self,track,stream);});};window.RTCPeerConnection.prototype.addTrack=function(track,stream){if(stream){if(!this._localStreams){this._localStreams=[stream];}else if(this._localStreams.indexOf(stream)===-1){this._localStreams.push(stream);}}
+_addTrack.call(this,track,stream);};}
+if(!('removeStream'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.removeStream=function(stream){if(!this._localStreams){this._localStreams=[];}
+var index=this._localStreams.indexOf(stream);if(index===-1){return;}
+this._localStreams.splice(index,1);var self=this;var tracks=stream.getTracks();this.getSenders().forEach(function(sender){if(tracks.indexOf(sender.track)!==-1){self.removeTrack(sender);}});};}},shimRemoteStreamsAPI:function(window){if(typeof window!=='object'||!window.RTCPeerConnection){return;}
+if(!('getRemoteStreams'in window.RTCPeerConnection.prototype)){window.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[];};}
+if(!('onaddstream'in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,'onaddstream',{get:function(){return this._onaddstream;},set:function(f){if(this._onaddstream){this.removeEventListener('addstream',this._onaddstream);this.removeEventListener('track',this._onaddstreampoly);}
+this.addEventListener('addstream',this._onaddstream=f);this.addEventListener('track',this._onaddstreampoly=function(e){var stream=e.streams[0];if(!this._remoteStreams){this._remoteStreams=[];}
+if(this._remoteStreams.indexOf(stream)>=0){return;}
+this._remoteStreams.push(stream);var event=new Event('addstream');event.stream=e.streams[0];this.dispatchEvent(event);}.bind(this));}});}},shimCallbacksAPI:function(window){if(typeof window!=='object'||!window.RTCPeerConnection){return;}
+var prototype=window.RTCPeerConnection.prototype;var createOffer=prototype.createOffer;var createAnswer=prototype.createAnswer;var setLocalDescription=prototype.setLocalDescription;var setRemoteDescription=prototype.setRemoteDescription;var addIceCandidate=prototype.addIceCandidate;prototype.createOffer=function(successCallback,failureCallback){var options=(arguments.length>=2)?arguments[2]:arguments[0];var promise=createOffer.apply(this,[options]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.createAnswer=function(successCallback,failureCallback){var options=(arguments.length>=2)?arguments[2]:arguments[0];var promise=createAnswer.apply(this,[options]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};var withCallback=function(description,successCallback,failureCallback){var promise=setLocalDescription.apply(this,[description]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.setLocalDescription=withCallback;withCallback=function(description,successCallback,failureCallback){var promise=setRemoteDescription.apply(this,[description]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.setRemoteDescription=withCallback;withCallback=function(candidate,successCallback,failureCallback){var promise=addIceCandidate.apply(this,[candidate]);if(!failureCallback){return promise;}
+promise.then(successCallback,failureCallback);return Promise.resolve();};prototype.addIceCandidate=withCallback;},shimGetUserMedia:function(window){var navigator=window&&window.navigator;if(!navigator.getUserMedia){if(navigator.webkitGetUserMedia){navigator.getUserMedia=navigator.webkitGetUserMedia.bind(navigator);}else if(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){navigator.getUserMedia=function(constraints,cb,errcb){navigator.mediaDevices.getUserMedia(constraints).then(cb,errcb);}.bind(navigator);}}},shimRTCIceServerUrls:function(window){var OrigPeerConnection=window.RTCPeerConnection;window.RTCPeerConnection=function(pcConfig,pcConstraints){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i<pcConfig.iceServers.length;i++){var server=pcConfig.iceServers[i];if(!server.hasOwnProperty('urls')&&server.hasOwnProperty('url')){utils.deprecated('RTCIceServer.url','RTCIceServer.urls');server=JSON.parse(JSON.stringify(server));server.urls=server.url;delete server.url;newIceServers.push(server);}else{newIceServers.push(pcConfig.iceServers[i]);}}
+pcConfig.iceServers=newIceServers;}
+return new OrigPeerConnection(pcConfig,pcConstraints);};window.RTCPeerConnection.prototype=OrigPeerConnection.prototype;Object.defineProperty(window.RTCPeerConnection,'generateCertificate',{get:function(){return OrigPeerConnection.generateCertificate;}});}};module.exports={shimCallbacksAPI:safariShim.shimCallbacksAPI,shimLocalStreamsAPI:safariShim.shimLocalStreamsAPI,shimRemoteStreamsAPI:safariShim.shimRemoteStreamsAPI,shimGetUserMedia:safariShim.shimGetUserMedia,shimRTCIceServerUrls:safariShim.shimRTCIceServerUrls};},{"../utils":12}],12:[function(require,module,exports){'use strict';var logDisabled_=true;var deprecationWarnings_=true;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';},disableWarnings:function(bool){if(typeof bool!=='boolean'){return new Error('Argument type: '+typeof bool+'. Please use a boolean.');}
+deprecationWarnings_=!bool;return'adapter.js deprecation warnings '+(bool?'disabled':'enabled');},log:function(){if(typeof window==='object'){if(logDisabled_){return;}
+if(typeof console!=='undefined'&&typeof console.log==='function'){console.log.apply(console,arguments);}}},deprecated:function(oldMethod,newMethod){if(!deprecationWarnings_){return;}
+console.warn(oldMethod+' is deprecated, please use '+newMethod+' instead.');},extractVersion:function(uastring,expr,pos){var match=uastring.match(expr);return match&&match.length>=pos&&parseInt(match[pos],10);},detectBrowser:function(window){var navigator=window&&window.navigator;var result={};result.browser=null;result.version=null;if(typeof window==='undefined'||!window.navigator){result.browser='Not a browser.';return result;}
+if(navigator.mozGetUserMedia){result.browser='firefox';result.version=this.extractVersion(navigator.userAgent,/Firefox\/(\d+)\./,1);}else if(navigator.webkitGetUserMedia){if(window.webkitRTCPeerConnection){result.browser='chrome';result.version=this.extractVersion(navigator.userAgent,/Chrom(e|ium)\/(\d+)\./,2);}else{if(navigator.userAgent.match(/Version\/(\d+).(\d+)/)){result.browser='safari';result.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1);}else{result.browser='Unsupported webkit-based browser '+'with GUM support but no WebRTC support.';return result;}}}else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)){result.browser='edge';result.version=this.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2);}else if(navigator.mediaDevices&&navigator.userAgent.match(/AppleWebKit\/(\d+)\./)){result.browser='safari';result.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1);}else{result.browser='Not a supported browser.';return result;}
+return result;},shimCreateObjectURL:function(window){var URL=window&&window.URL;if(!(typeof window==='object'&&window.HTMLMediaElement&&'srcObject'in window.HTMLMediaElement.prototype)){return undefined;}
+var nativeCreateObjectURL=URL.createObjectURL.bind(URL);var nativeRevokeObjectURL=URL.revokeObjectURL.bind(URL);var streams=new Map(),newId=0;URL.createObjectURL=function(stream){if('getTracks'in stream){var url='polyblob:'+(++newId);streams.set(url,stream);utils.deprecated('URL.createObjectURL(stream)','elem.srcObject = stream');return url;}
+return nativeCreateObjectURL(stream);};URL.revokeObjectURL=function(url){nativeRevokeObjectURL(url);streams.delete(url);};var dsc=Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,'src');Object.defineProperty(window.HTMLMediaElement.prototype,'src',{get:function(){return dsc.get.apply(this);},set:function(url){this.srcObject=streams.get(url)||null;return dsc.set.apply(this,[url]);}});var nativeSetAttribute=window.HTMLMediaElement.prototype.setAttribute;window.HTMLMediaElement.prototype.setAttribute=function(){if(arguments.length===2&&(''+arguments[0]).toLowerCase()==='src'){this.srcObject=streams.get(arguments[1])||null;}
+return nativeSetAttribute.apply(this,arguments);};}};module.exports={log:utils.log,deprecated:utils.deprecated,disableLog:utils.disableLog,disableWarnings:utils.disableWarnings,extractVersion:utils.extractVersion,shimCreateObjectURL:utils.shimCreateObjectURL,detectBrowser:utils.detectBrowser.bind(utils)};},{}]},{},[2])(2)});
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