diff --git a/publish/adapter.debug.js b/publish/adapter.debug.js
index c0ae02a..854a3be 100644
--- a/publish/adapter.debug.js
+++ b/publish/adapter.debug.js
@@ -316,6 +316,7 @@ AdapterJS.renderNotificationBar = function (text, buttonText, buttonLink, openNe
 
   var w = window;
   var i = document.createElement('iframe');
+  i.name = 'adapterjs-alert';
   i.style.position = 'fixed';
   i.style.top = '-41px';
   i.style.left = 0;
diff --git a/publish/adapter.min.js b/publish/adapter.min.js
index 5f76570..0df191c 100644
--- a/publish/adapter.min.js
+++ b/publish/adapter.min.js
@@ -1,3 +1,3 @@
 /*! adapterjs - v0.13.2 - 2016-03-18 */
-function trace(text){if("\n"===text[text.length-1]&&(text=text.substring(0,text.length-1)),window.performance){var now=(window.performance.now()/1e3).toFixed(3);webrtcUtils.log(now+": "+text)}else webrtcUtils.log(text)}function requestUserMedia(constraints){return new Promise(function(resolve,reject){getUserMedia(constraints,resolve,reject)})}var AdapterJS=AdapterJS||{};if("undefined"!=typeof exports&&(module.exports=AdapterJS),AdapterJS.options=AdapterJS.options||{},AdapterJS.VERSION="0.13.2",AdapterJS.onwebrtcready=AdapterJS.onwebrtcready||function(isUsingPlugin){},AdapterJS._onwebrtcreadies=[],AdapterJS.webRTCReady=function(callback){if("function"!=typeof callback)throw new Error("Callback provided is not a function");!0===AdapterJS.onwebrtcreadyDone?callback(null!==AdapterJS.WebRTCPlugin.plugin):AdapterJS._onwebrtcreadies.push(callback)},AdapterJS.WebRTCPlugin=AdapterJS.WebRTCPlugin||{},AdapterJS.WebRTCPlugin.pluginInfo={prefix:"Tem",plugName:"TemWebRTCPlugin",pluginId:"plugin0",type:"application/x-temwebrtcplugin",onload:"__TemWebRTCReady0",portalLink:"http://skylink.io/plugin/",downloadLink:null,companyName:"Temasys"},navigator.platform.match(/^Mac/i)?AdapterJS.WebRTCPlugin.pluginInfo.downloadLink="http://bit.ly/1n77hco":navigator.platform.match(/^Win/i)&&(AdapterJS.WebRTCPlugin.pluginInfo.downloadLink="http://bit.ly/1kkS4FN"),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;window.opr&&opr.addons||window.opera||navigator.userAgent.indexOf(" OPR/")>=0?(webrtcDetectedBrowser="opera",webrtcDetectedType="webkit",webrtcMinimumVersion=26,hasMatch=/OPR\/(\d+)/i.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1],10)):"undefined"!=typeof InstallTrigger?webrtcDetectedType="moz":Object.prototype.toString.call(window.HTMLElement).indexOf("Constructor")>0?(webrtcDetectedBrowser="safari",webrtcDetectedType="plugin",webrtcMinimumVersion=7,hasMatch=/version\/(\d+)/i.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1],10)):document.documentMode?(webrtcDetectedBrowser="IE",webrtcDetectedType="plugin",webrtcMinimumVersion=9,hasMatch=/\brv[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcDetectedVersion||(hasMatch=/\bMSIE[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10))):window.StyleMedia?webrtcDetectedType="":window.chrome&&window.chrome.webstore?webrtcDetectedType="webkit":"chrome"!==webrtcDetectedBrowser&&"opera"!==webrtcDetectedBrowser||!window.CSS||(webrtcDetectedBrowser="blink"),window.webrtcDetectedBrowser=webrtcDetectedBrowser,window.webrtcDetectedVersion=webrtcDetectedVersion,window.webrtcMinimumVersion=webrtcMinimumVersion},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(text,buttonText,buttonLink,openNewTab,displayRefreshBar){if("complete"===document.readyState){var w=window,i=document.createElement("iframe");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;">'+text+"</span>"),buttonText&&buttonLink?(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){displayRefreshBar&&AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION?AdapterJS.TEXT.EXTENSION.REQUIRE_REFRESH:AdapterJS.TEXT.REFRESH.REQUIRE_REFRESH,AdapterJS.TEXT.REFRESH.BUTTON,"javascript:location.reload()"),window.open(buttonLink,openNewTab?"_blank":"_top"),e.preventDefault();try{e.cancelBubble=!0}catch(error){}var pluginInstallInterval=setInterval(function(){isIE||navigator.plugins.refresh(!1),AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,function(){clearInterval(pluginInstallInterval),AdapterJS.WebRTCPlugin.defineWebRTCInterface()},function(){})},500)}),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?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=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+)$/)){var getUserMedia=null,attachMediaStream=null,reattachMediaStream=null,webrtcDetectedBrowser=null,webrtcDetectedVersion=null,webrtcMinimumVersion=null,webrtcUtils={log:function(){"undefined"!=typeof module||"function"==typeof require&&"function"==typeof define},extractVersion:function(uastring,expr,pos){var match=uastring.match(expr);return match&&match.length>=pos&&parseInt(match[pos],10)}};if("object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return"mozSrcObject"in this?this.mozSrcObject:this._srcObject},set:function(stream){"mozSrcObject"in this?this.mozSrcObject=stream:(this._srcObject=stream,this.src=URL.createObjectURL(stream))}}),getUserMedia=window.navigator&&window.navigator.getUserMedia),attachMediaStream=function(element,stream){element.srcObject=stream},reattachMediaStream=function(to,from){to.srcObject=from.srcObject},"undefined"!=typeof window&&window.navigator)if(navigator.mozGetUserMedia){if(webrtcUtils.log("This appears to be Firefox"),webrtcDetectedBrowser="firefox",webrtcDetectedVersion=webrtcUtils.extractVersion(navigator.userAgent,/Firefox\/([0-9]+)\./,1),webrtcMinimumVersion=31,window.RTCPeerConnection||(window.RTCPeerConnection=function(pcConfig,pcConstraints){if(38>webrtcDetectedVersion&&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)},mozRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return arguments.length?mozRTCPeerConnection.generateCertificate.apply(null,arguments):mozRTCPeerConnection.generateCertificate}}),window.RTCSessionDescription=mozRTCSessionDescription,window.RTCIceCandidate=mozRTCIceCandidate),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 38>webrtcDetectedVersion&&(webrtcUtils.log("spec: "+JSON.stringify(constraints)),constraints.audio&&(constraints.audio=constraintsToFF37(constraints.audio)),constraints.video&&(constraints.video=constraintsToFF37(constraints.video)),webrtcUtils.log("ff37: "+JSON.stringify(constraints))),navigator.mozGetUserMedia(constraints,onSuccess,onError)},navigator.getUserMedia=getUserMedia,navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:requestUserMedia,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)})},41>webrtcDetectedVersion){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})}}}else if(navigator.webkitGetUserMedia&&window.webkitRTCPeerConnection){webrtcUtils.log("This appears to be Chrome"),webrtcDetectedBrowser="chrome",webrtcDetectedVersion=webrtcUtils.extractVersion(navigator.userAgent,/Chrom(e|ium)\/([0-9]+)\./,2),webrtcMinimumVersion=38,window.RTCPeerConnection=function(pcConfig,pcConstraints){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={},reports=response.result();return reports.forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name)}),standardReport[standardStats.id]=standardStats}),standardReport};if(arguments.length>=2){var successCallbackWrapper=function(response){args[1](fixChromeStats(response))};return origGetStats.apply(this,[successCallbackWrapper,arguments[0]])}return new Promise(function(resolve,reject){1===args.length&&null===selector?origGetStats.apply(self,[function(response){resolve.apply(null,[fixChromeStats(response)])},reject]):origGetStats.apply(self,[resolve,reject])})},pc},webkitRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return arguments.length?webkitRTCPeerConnection.generateCertificate.apply(null,arguments):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)}}),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){var args=arguments,self=this;return new Promise(function(resolve,reject){nativeMethod.apply(self,[args[0],function(){resolve(),args.length>=2&&args[1].apply(null,[])},function(err){reject(err),args.length>=3&&args[2].apply(null,[err])}])})}});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};if(getUserMedia=function(constraints,onSuccess,onError){return constraints.audio&&(constraints.audio=constraintsToChrome(constraints.audio)),constraints.video&&(constraints.video=constraintsToChrome(constraints.video)),webrtcUtils.log("chrome: "+JSON.stringify(constraints)),navigator.webkitGetUserMedia(constraints,onSuccess,onError)},navigator.getUserMedia=getUserMedia,navigator.mediaDevices||(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],deviceId:device.id,groupId:""}}))})})}}),navigator.mediaDevices.getUserMedia){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return webrtcUtils.log("spec:   "+JSON.stringify(c)),c.audio=constraintsToChrome(c.audio),c.video=constraintsToChrome(c.video),webrtcUtils.log("chrome: "+JSON.stringify(c)),origGetUserMedia(c)}}else navigator.mediaDevices.getUserMedia=function(constraints){return requestUserMedia(constraints)};"undefined"==typeof navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){webrtcUtils.log("Dummy mediaDevices.addEventListener called.")}),"undefined"==typeof navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){webrtcUtils.log("Dummy mediaDevices.removeEventListener called.")}),attachMediaStream=function(element,stream){webrtcDetectedVersion>=43?element.srcObject=stream:"undefined"!=typeof element.src?element.src=URL.createObjectURL(stream):webrtcUtils.log("Error attaching stream to element.")},reattachMediaStream=function(to,from){webrtcDetectedVersion>=43?to.srcObject=from.srcObject:to.src=from.src}}else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)){if(webrtcUtils.log("This appears to be Edge"),webrtcDetectedBrowser="edge",webrtcDetectedVersion=webrtcUtils.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2),webrtcMinimumVersion=10547,window.RTCIceGatherer){var generateIdentifier=function(){return Math.random().toString(36).substr(2,10)},localCName=generateIdentifier(),SDPUtils={};SDPUtils.splitLines=function(blob){return blob.trim().split("\n").map(function(line){return line.trim()})},SDPUtils.splitSections=function(blob){var parts=blob.split("\r\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 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.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.writeFtmp=function(codec){var line="",pt=codec.payloadType;if(void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),codec.parameters&&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+"\r\n"}),lines},SDPUtils.parseSsrcMedia=function(line){var sp=line.indexOf(" "),parts={ssrc:line.substr(7,sp-7)},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.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),dtlsParameters={role:"auto",fingerprints:[{algorithm:fpLine.split(" ")[0],value:fpLine.split(" ")[1]}]};return dtlsParameters},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);lines=lines.concat(SDPUtils.splitLines(sessionpart));var iceParameters={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)};return iceParameters},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+" ");codec.parameters=fmtps.length?SDPUtils.parseFmtp(fmtps[0]):{},codec.rtcpFeedback=SDPUtils.matchPrefix(mediaSection,"a=rtcp-fb:"+pt+" ").map(SDPUtils.parseRtcpFb),description.codecs.push(codec)}}return description},SDPUtils.writeRtpDescription=function(kind,caps){var sdp="";return 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.writeFtmp(codec),sdp+=SDPUtils.writeRtcpFb(codec)}),sdp+="a=rtcp-mux\r\n"},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",sdp+=transceiver.rtpSender&&transceiver.rtpReceiver?"a=sendrecv\r\n":transceiver.rtpSender?"a=sendonly\r\n":transceiver.rtpReceiver?"a=recvonly\r\n":"a=inactive\r\n",transceiver.rtpSender){var msid="msid:"+stream.id+" "+transceiver.rtpSender.track.id+"\r\n";sdp+="a="+msid,sdp+="a=ssrc:"+transceiver.sendSsrc+" "+msid}return sdp+="a=ssrc:"+transceiver.sendSsrc+" cname:"+localCName+"\r\n"},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"},window.RTCIceCandidate||(window.RTCIceCandidate=function(args){return args}),window.RTCSessionDescription||(window.RTCSessionDescription=function(args){return args}),window.RTCPeerConnection=function(config){var self=this;if(this.onicecandidate=null,this.onaddstream=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.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')}config&&config.iceServers&&config.iceServers.forEach(function(server){if(server.urls){var url;url="string"==typeof server.urls?server.urls:server.urls[0],-1!==url.indexOf("transport=udp")&&self.iceServers.push({username:server.username,credential:server.credential,urls:url})}}),this.transceivers=[],this._localIceCandidatesBuffer=[]},window.RTCPeerConnection.prototype._emitBufferedCandidates=function(){var self=this;this._localIceCandidatesBuffer.forEach(function(event){null!==self.onicecandidate&&self.onicecandidate(event)}),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._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);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={};event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate;cand&&0!==Object.keys(cand).length?(cand.component="RTCP"===iceTransport.component?2:1,event.candidate.candidate=SDPUtils.writeCandidate(cand)):(void 0===iceGatherer.state&&(iceGatherer.state="completed"),event.candidate.candidate="candidate:1 1 udp 1 0.0.0.0 9 typ endOfCandidates");var complete=self.transceivers.every(function(transceiver){return transceiver.iceGatherer&&"completed"===transceiver.iceGatherer.state});null!==self.onicecandidate&&(self.localDescription&&""===self.localDescription.type?(self._localIceCandidatesBuffer.push(event),complete&&self._localIceCandidatesBuffer.push({})):(self.onicecandidate(event),complete&&self.onicecandidate({})))},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=[{ssrc:transceiver.sendSsrc}],params.rtcp={cname:localCName,ssrc:transceiver.recvSsrc},transceiver.rtpSender.send(params)),recv&&transceiver.rtpReceiver&&(params.encodings=[{ssrc:transceiver.recvSsrc}],params.rtcp={cname:transceiver.cname,ssrc:transceiver.sendSsrc},transceiver.rtpReceiver.receive(params))},window.RTCPeerConnection.prototype.setLocalDescription=function(description){var self=this;if("offer"===description.type)this._pendingOffer&&(this.transceivers=this._pendingOffer,delete this._pendingOffer);else if("answer"===description.type){var sections=SDPUtils.splitSections(self.remoteDescription.sdp),sessionpart=sections.shift();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,rejected="0"===mediaSection.split("\n",1)[0].split(" ",2)[1];if(!rejected){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);iceTransport.start(iceGatherer,remoteIceParameters,"controlled");var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);dtlsTransport.start(remoteDtlsParameters);var params=self._getCommonCapabilities(localCapabilities,remoteCapabilities);self._transceive(transceiver,params.codecs.length>0,!1)}})}switch(this.localDescription=description,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(),self._emitBufferedCandidates()},0)}var p=Promise.resolve();return p.then(function(){hasCallback||window.setTimeout(self._emitBufferedCandidates.bind(self),0)}),p},window.RTCPeerConnection.prototype.setRemoteDescription=function(description){var self=this,stream=new MediaStream,sections=SDPUtils.splitSections(description.sdp),sessionpart=sections.shift();switch(sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver,iceGatherer,iceTransport,dtlsTransport,rtpSender,rtpReceiver,sendSsrc,recvSsrc,localCapabilities,remoteIceParameters,remoteDtlsParameters,lines=SDPUtils.splitLines(mediaSection),mline=lines[0].substr(2).split(" "),kind=mline[0],rejected="0"===mline[1],direction=SDPUtils.getDirection(mediaSection,sessionpart),remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);rejected||(remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart),remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart));var cname,mid=SDPUtils.matchPrefix(mediaSection,"a=mid:")[0].substr(6),remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return"cname"===obj.attribute})[0];if(remoteSsrc&&(recvSsrc=parseInt(remoteSsrc.ssrc,10),cname=remoteSsrc.value),"offer"===description.type){var transports=self._createIceAndDtlsTransports(mid,sdpMLineIndex);if(localCapabilities=RTCRtpReceiver.getCapabilities(kind),sendSsrc=1001*(2*sdpMLineIndex+2),rtpReceiver=new RTCRtpReceiver(transports.dtlsTransport,kind),stream.addTrack(rtpReceiver.track),self.localStreams.length>0&&self.localStreams[0].getTracks().length>=sdpMLineIndex){var localtrack=self.localStreams[0].getTracks()[sdpMLineIndex];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,sendSsrc:sendSsrc,recvSsrc:recvSsrc},self._transceive(self.transceivers[sdpMLineIndex],!1,"sendrecv"===direction||"sendonly"===direction)}else"answer"!==description.type||rejected||(transceiver=self.transceivers[sdpMLineIndex],iceGatherer=transceiver.iceGatherer,iceTransport=transceiver.iceTransport,dtlsTransport=transceiver.dtlsTransport,rtpSender=transceiver.rtpSender,rtpReceiver=transceiver.rtpReceiver,sendSsrc=transceiver.sendSsrc,localCapabilities=transceiver.localCapabilities,self.transceivers[sdpMLineIndex].recvSsrc=recvSsrc,self.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities,self.transceivers[sdpMLineIndex].cname=cname,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:stream.addTrack(rtpReceiver.track))}),this.remoteDescription=description,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 window.setTimeout(function(){null!==self.onaddstream&&stream.getTracks().length&&(self.remoteStreams.push(stream),window.setTimeout(function(){self.onaddstream({stream:stream})},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,null!==this.onsignalingstatechange&&this.onsignalingstatechange()},window.RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){null!==this.onnegotiationneeded&&this.onnegotiationneeded()},window.RTCPeerConnection.prototype._updateConnectionState=function(){var newState,self=this,states={"new":0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};this.transceivers.forEach(function(transceiver){states[transceiver.iceTransport.state]++,states[transceiver.dtlsTransport.state]++}),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.connecting>0||states.completed>0)&&(newState="connected"),newState!==self.iceConnectionState&&(self.iceConnectionState=newState,null!==this.oniceconnectionstatechange&&this.oniceconnectionstatechange())},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=generateIdentifier(),transports=self._createIceAndDtlsTransports(mid,sdpMLineIndex),localCapabilities=RTCRtpSender.getCapabilities(kind),sendSsrc=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,sendSsrc:sendSsrc,recvSsrc:null};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 answerOptions,self=this;1===arguments.length&&"function"!=typeof arguments[0]?answerOptions=arguments[0]:3===arguments.length&&(answerOptions=arguments[2]);var sdp=SDPUtils.writeSessionBoilerplate();this.transceivers.forEach(function(transceiver){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){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)return;if("1"!==cand.component)return;"endOfCandidates"===cand.type&&(cand={}),transceiver.iceTransport.addRemoteCandidate(cand)}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={};Promise.all(promises).then(function(res){res.forEach(function(result){Object.keys(result).forEach(function(id){results[id]=result[id]})}),cb&&window.setTimeout(cb,0,results),resolve(results)})})}}}else webrtcUtils.log("Browser does not appear to be WebRTC-capable");else webrtcUtils.log("This does not appear to be a browser"),webrtcDetectedBrowser="not a browser";var webrtcTesting={};try{Object.defineProperty(webrtcTesting,"version",{set:function(version){webrtcDetectedVersion=version}})}catch(e){}AdapterJS.parseWebrtcDetectedBrowser(),navigator.mozGetUserMedia?(MediaStreamTrack.getSources=function(successCb){setTimeout(function(){var infos=[{kind:"audio",id:"default",label:"",facing:""},{kind:"video",id:"default",label:"",facing:""}];successCb(infos)},0)},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");if(0===urlParts[0].indexOf("stun"))iceServer={urls:[url]};else if(0===urlParts[0].indexOf("turn"))if(27>webrtcDetectedVersion){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&&(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+)$/)&&(getUserMedia=window.getUserMedia=navigator.getUserMedia.bind(navigator),attachMediaStream=function(element,stream){return element.srcObject=stream,element},reattachMediaStream=function(to,from){return to.srcObject=from.srcObject,to}),attachMediaStream_base=attachMediaStream,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=getUserMedia,AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,"undefined"==typeof Promise&&(requestUserMedia=null),AdapterJS.maybeThroughWebRTCReady()}else("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&&10>=webrtcDetectedVersion){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,installedCb,notInstalledCb){if(isIE){try{new ActiveXObject(comName+"."+plugName)}catch(e){return void notInstalledCb()}installedCb()}else{for(var pluginArray=navigator.plugins,i=0;i<pluginArray.length;i++)if(pluginArray[i].name.indexOf(plugName)>=0)return void installedCb();notInstalledCb()}},AdapterJS.WebRTCPlugin.defineWebRTCInterface=function(){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("undefined"!=typeof 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")}if(AdapterJS.WebRTCPlugin.WaitForPluginReady(),AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION&&AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION>1)return AdapterJS.WebRTCPlugin.plugin.PeerConnection(servers);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)}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={},MediaStreamTrack.getSources=function(callback){AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.GetSources(callback)})},getUserMedia=function(constraints,successCallback,failureCallback){constraints.audio=constraints.audio||!1,constraints.video=constraints.video||!1,AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.getUserMedia(constraints,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="":("undefined"!=typeof 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}return null!==stream?attachMediaStream(to,stream):void 0},window.attachMediaStream=attachMediaStream,window.reattachMediaStream=reattachMediaStream,window.getUserMedia=getUserMedia,AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,AdapterJS.forwardEventHandlers=function(destElem,srcElem,prototype){properties=Object.getOwnPropertyNames(prototype);for(var prop in properties)prop&&(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,downloadLink)}else AdapterJS.renderNotificationBar(AdapterJS.TEXT.PLUGIN.NOT_SUPPORTED)}},AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,AdapterJS.WebRTCPlugin.defineWebRTCInterface,AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb);
\ No newline at end of file
+function trace(text){if("\n"===text[text.length-1]&&(text=text.substring(0,text.length-1)),window.performance){var now=(window.performance.now()/1e3).toFixed(3);webrtcUtils.log(now+": "+text)}else webrtcUtils.log(text)}function requestUserMedia(constraints){return new Promise(function(resolve,reject){getUserMedia(constraints,resolve,reject)})}var AdapterJS=AdapterJS||{};if("undefined"!=typeof exports&&(module.exports=AdapterJS),AdapterJS.options=AdapterJS.options||{},AdapterJS.VERSION="0.13.2",AdapterJS.onwebrtcready=AdapterJS.onwebrtcready||function(isUsingPlugin){},AdapterJS._onwebrtcreadies=[],AdapterJS.webRTCReady=function(callback){if("function"!=typeof callback)throw new Error("Callback provided is not a function");!0===AdapterJS.onwebrtcreadyDone?callback(null!==AdapterJS.WebRTCPlugin.plugin):AdapterJS._onwebrtcreadies.push(callback)},AdapterJS.WebRTCPlugin=AdapterJS.WebRTCPlugin||{},AdapterJS.WebRTCPlugin.pluginInfo={prefix:"Tem",plugName:"TemWebRTCPlugin",pluginId:"plugin0",type:"application/x-temwebrtcplugin",onload:"__TemWebRTCReady0",portalLink:"http://skylink.io/plugin/",downloadLink:null,companyName:"Temasys"},navigator.platform.match(/^Mac/i)?AdapterJS.WebRTCPlugin.pluginInfo.downloadLink="http://bit.ly/1n77hco":navigator.platform.match(/^Win/i)&&(AdapterJS.WebRTCPlugin.pluginInfo.downloadLink="http://bit.ly/1kkS4FN"),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;window.opr&&opr.addons||window.opera||navigator.userAgent.indexOf(" OPR/")>=0?(webrtcDetectedBrowser="opera",webrtcDetectedType="webkit",webrtcMinimumVersion=26,hasMatch=/OPR\/(\d+)/i.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1],10)):"undefined"!=typeof InstallTrigger?webrtcDetectedType="moz":Object.prototype.toString.call(window.HTMLElement).indexOf("Constructor")>0?(webrtcDetectedBrowser="safari",webrtcDetectedType="plugin",webrtcMinimumVersion=7,hasMatch=/version\/(\d+)/i.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1],10)):document.documentMode?(webrtcDetectedBrowser="IE",webrtcDetectedType="plugin",webrtcMinimumVersion=9,hasMatch=/\brv[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcDetectedVersion||(hasMatch=/\bMSIE[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10))):window.StyleMedia?webrtcDetectedType="":window.chrome&&window.chrome.webstore?webrtcDetectedType="webkit":"chrome"!==webrtcDetectedBrowser&&"opera"!==webrtcDetectedBrowser||!window.CSS||(webrtcDetectedBrowser="blink"),window.webrtcDetectedBrowser=webrtcDetectedBrowser,window.webrtcDetectedVersion=webrtcDetectedVersion,window.webrtcMinimumVersion=webrtcMinimumVersion},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(text,buttonText,buttonLink,openNewTab,displayRefreshBar){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;">'+text+"</span>"),buttonText&&buttonLink?(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){displayRefreshBar&&AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION?AdapterJS.TEXT.EXTENSION.REQUIRE_REFRESH:AdapterJS.TEXT.REFRESH.REQUIRE_REFRESH,AdapterJS.TEXT.REFRESH.BUTTON,"javascript:location.reload()"),window.open(buttonLink,openNewTab?"_blank":"_top"),e.preventDefault();try{e.cancelBubble=!0}catch(error){}var pluginInstallInterval=setInterval(function(){isIE||navigator.plugins.refresh(!1),AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,function(){clearInterval(pluginInstallInterval),AdapterJS.WebRTCPlugin.defineWebRTCInterface()},function(){})},500)}),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?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=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+)$/)){var getUserMedia=null,attachMediaStream=null,reattachMediaStream=null,webrtcDetectedBrowser=null,webrtcDetectedVersion=null,webrtcMinimumVersion=null,webrtcUtils={log:function(){"undefined"!=typeof module||"function"==typeof require&&"function"==typeof define},extractVersion:function(uastring,expr,pos){var match=uastring.match(expr);return match&&match.length>=pos&&parseInt(match[pos],10)}};if("object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return"mozSrcObject"in this?this.mozSrcObject:this._srcObject},set:function(stream){"mozSrcObject"in this?this.mozSrcObject=stream:(this._srcObject=stream,this.src=URL.createObjectURL(stream))}}),getUserMedia=window.navigator&&window.navigator.getUserMedia),attachMediaStream=function(element,stream){element.srcObject=stream},reattachMediaStream=function(to,from){to.srcObject=from.srcObject},"undefined"!=typeof window&&window.navigator)if(navigator.mozGetUserMedia){if(webrtcUtils.log("This appears to be Firefox"),webrtcDetectedBrowser="firefox",webrtcDetectedVersion=webrtcUtils.extractVersion(navigator.userAgent,/Firefox\/([0-9]+)\./,1),webrtcMinimumVersion=31,window.RTCPeerConnection||(window.RTCPeerConnection=function(pcConfig,pcConstraints){if(38>webrtcDetectedVersion&&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)},mozRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return arguments.length?mozRTCPeerConnection.generateCertificate.apply(null,arguments):mozRTCPeerConnection.generateCertificate}}),window.RTCSessionDescription=mozRTCSessionDescription,window.RTCIceCandidate=mozRTCIceCandidate),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 38>webrtcDetectedVersion&&(webrtcUtils.log("spec: "+JSON.stringify(constraints)),constraints.audio&&(constraints.audio=constraintsToFF37(constraints.audio)),constraints.video&&(constraints.video=constraintsToFF37(constraints.video)),webrtcUtils.log("ff37: "+JSON.stringify(constraints))),navigator.mozGetUserMedia(constraints,onSuccess,onError)},navigator.getUserMedia=getUserMedia,navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:requestUserMedia,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)})},41>webrtcDetectedVersion){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})}}}else if(navigator.webkitGetUserMedia&&window.webkitRTCPeerConnection){webrtcUtils.log("This appears to be Chrome"),webrtcDetectedBrowser="chrome",webrtcDetectedVersion=webrtcUtils.extractVersion(navigator.userAgent,/Chrom(e|ium)\/([0-9]+)\./,2),webrtcMinimumVersion=38,window.RTCPeerConnection=function(pcConfig,pcConstraints){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={},reports=response.result();return reports.forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name)}),standardReport[standardStats.id]=standardStats}),standardReport};if(arguments.length>=2){var successCallbackWrapper=function(response){args[1](fixChromeStats(response))};return origGetStats.apply(this,[successCallbackWrapper,arguments[0]])}return new Promise(function(resolve,reject){1===args.length&&null===selector?origGetStats.apply(self,[function(response){resolve.apply(null,[fixChromeStats(response)])},reject]):origGetStats.apply(self,[resolve,reject])})},pc},webkitRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return arguments.length?webkitRTCPeerConnection.generateCertificate.apply(null,arguments):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)}}),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){var args=arguments,self=this;return new Promise(function(resolve,reject){nativeMethod.apply(self,[args[0],function(){resolve(),args.length>=2&&args[1].apply(null,[])},function(err){reject(err),args.length>=3&&args[2].apply(null,[err])}])})}});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};if(getUserMedia=function(constraints,onSuccess,onError){return constraints.audio&&(constraints.audio=constraintsToChrome(constraints.audio)),constraints.video&&(constraints.video=constraintsToChrome(constraints.video)),webrtcUtils.log("chrome: "+JSON.stringify(constraints)),navigator.webkitGetUserMedia(constraints,onSuccess,onError)},navigator.getUserMedia=getUserMedia,navigator.mediaDevices||(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],deviceId:device.id,groupId:""}}))})})}}),navigator.mediaDevices.getUserMedia){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return webrtcUtils.log("spec:   "+JSON.stringify(c)),c.audio=constraintsToChrome(c.audio),c.video=constraintsToChrome(c.video),webrtcUtils.log("chrome: "+JSON.stringify(c)),origGetUserMedia(c)}}else navigator.mediaDevices.getUserMedia=function(constraints){return requestUserMedia(constraints)};"undefined"==typeof navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){webrtcUtils.log("Dummy mediaDevices.addEventListener called.")}),"undefined"==typeof navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){webrtcUtils.log("Dummy mediaDevices.removeEventListener called.")}),attachMediaStream=function(element,stream){webrtcDetectedVersion>=43?element.srcObject=stream:"undefined"!=typeof element.src?element.src=URL.createObjectURL(stream):webrtcUtils.log("Error attaching stream to element.")},reattachMediaStream=function(to,from){webrtcDetectedVersion>=43?to.srcObject=from.srcObject:to.src=from.src}}else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)){if(webrtcUtils.log("This appears to be Edge"),webrtcDetectedBrowser="edge",webrtcDetectedVersion=webrtcUtils.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2),webrtcMinimumVersion=10547,window.RTCIceGatherer){var generateIdentifier=function(){return Math.random().toString(36).substr(2,10)},localCName=generateIdentifier(),SDPUtils={};SDPUtils.splitLines=function(blob){return blob.trim().split("\n").map(function(line){return line.trim()})},SDPUtils.splitSections=function(blob){var parts=blob.split("\r\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 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.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.writeFtmp=function(codec){var line="",pt=codec.payloadType;if(void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),codec.parameters&&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+"\r\n"}),lines},SDPUtils.parseSsrcMedia=function(line){var sp=line.indexOf(" "),parts={ssrc:line.substr(7,sp-7)},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.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),dtlsParameters={role:"auto",fingerprints:[{algorithm:fpLine.split(" ")[0],value:fpLine.split(" ")[1]}]};return dtlsParameters},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);lines=lines.concat(SDPUtils.splitLines(sessionpart));var iceParameters={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)};return iceParameters},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+" ");codec.parameters=fmtps.length?SDPUtils.parseFmtp(fmtps[0]):{},codec.rtcpFeedback=SDPUtils.matchPrefix(mediaSection,"a=rtcp-fb:"+pt+" ").map(SDPUtils.parseRtcpFb),description.codecs.push(codec)}}return description},SDPUtils.writeRtpDescription=function(kind,caps){var sdp="";return 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.writeFtmp(codec),sdp+=SDPUtils.writeRtcpFb(codec)}),sdp+="a=rtcp-mux\r\n"},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",sdp+=transceiver.rtpSender&&transceiver.rtpReceiver?"a=sendrecv\r\n":transceiver.rtpSender?"a=sendonly\r\n":transceiver.rtpReceiver?"a=recvonly\r\n":"a=inactive\r\n",transceiver.rtpSender){var msid="msid:"+stream.id+" "+transceiver.rtpSender.track.id+"\r\n";sdp+="a="+msid,sdp+="a=ssrc:"+transceiver.sendSsrc+" "+msid}return sdp+="a=ssrc:"+transceiver.sendSsrc+" cname:"+localCName+"\r\n"},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"},window.RTCIceCandidate||(window.RTCIceCandidate=function(args){return args}),window.RTCSessionDescription||(window.RTCSessionDescription=function(args){return args}),window.RTCPeerConnection=function(config){var self=this;if(this.onicecandidate=null,this.onaddstream=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.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')}config&&config.iceServers&&config.iceServers.forEach(function(server){if(server.urls){var url;url="string"==typeof server.urls?server.urls:server.urls[0],-1!==url.indexOf("transport=udp")&&self.iceServers.push({username:server.username,credential:server.credential,urls:url})}}),this.transceivers=[],this._localIceCandidatesBuffer=[]},window.RTCPeerConnection.prototype._emitBufferedCandidates=function(){var self=this;this._localIceCandidatesBuffer.forEach(function(event){null!==self.onicecandidate&&self.onicecandidate(event)}),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._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);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={};event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate;cand&&0!==Object.keys(cand).length?(cand.component="RTCP"===iceTransport.component?2:1,event.candidate.candidate=SDPUtils.writeCandidate(cand)):(void 0===iceGatherer.state&&(iceGatherer.state="completed"),event.candidate.candidate="candidate:1 1 udp 1 0.0.0.0 9 typ endOfCandidates");var complete=self.transceivers.every(function(transceiver){return transceiver.iceGatherer&&"completed"===transceiver.iceGatherer.state});null!==self.onicecandidate&&(self.localDescription&&""===self.localDescription.type?(self._localIceCandidatesBuffer.push(event),complete&&self._localIceCandidatesBuffer.push({})):(self.onicecandidate(event),complete&&self.onicecandidate({})))},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=[{ssrc:transceiver.sendSsrc}],params.rtcp={cname:localCName,ssrc:transceiver.recvSsrc},transceiver.rtpSender.send(params)),recv&&transceiver.rtpReceiver&&(params.encodings=[{ssrc:transceiver.recvSsrc}],params.rtcp={cname:transceiver.cname,ssrc:transceiver.sendSsrc},transceiver.rtpReceiver.receive(params))},window.RTCPeerConnection.prototype.setLocalDescription=function(description){var self=this;if("offer"===description.type)this._pendingOffer&&(this.transceivers=this._pendingOffer,delete this._pendingOffer);else if("answer"===description.type){var sections=SDPUtils.splitSections(self.remoteDescription.sdp),sessionpart=sections.shift();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,rejected="0"===mediaSection.split("\n",1)[0].split(" ",2)[1];if(!rejected){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);iceTransport.start(iceGatherer,remoteIceParameters,"controlled");var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);dtlsTransport.start(remoteDtlsParameters);var params=self._getCommonCapabilities(localCapabilities,remoteCapabilities);self._transceive(transceiver,params.codecs.length>0,!1)}})}switch(this.localDescription=description,
+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(),self._emitBufferedCandidates()},0)}var p=Promise.resolve();return p.then(function(){hasCallback||window.setTimeout(self._emitBufferedCandidates.bind(self),0)}),p},window.RTCPeerConnection.prototype.setRemoteDescription=function(description){var self=this,stream=new MediaStream,sections=SDPUtils.splitSections(description.sdp),sessionpart=sections.shift();switch(sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver,iceGatherer,iceTransport,dtlsTransport,rtpSender,rtpReceiver,sendSsrc,recvSsrc,localCapabilities,remoteIceParameters,remoteDtlsParameters,lines=SDPUtils.splitLines(mediaSection),mline=lines[0].substr(2).split(" "),kind=mline[0],rejected="0"===mline[1],direction=SDPUtils.getDirection(mediaSection,sessionpart),remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);rejected||(remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart),remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart));var cname,mid=SDPUtils.matchPrefix(mediaSection,"a=mid:")[0].substr(6),remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return"cname"===obj.attribute})[0];if(remoteSsrc&&(recvSsrc=parseInt(remoteSsrc.ssrc,10),cname=remoteSsrc.value),"offer"===description.type){var transports=self._createIceAndDtlsTransports(mid,sdpMLineIndex);if(localCapabilities=RTCRtpReceiver.getCapabilities(kind),sendSsrc=1001*(2*sdpMLineIndex+2),rtpReceiver=new RTCRtpReceiver(transports.dtlsTransport,kind),stream.addTrack(rtpReceiver.track),self.localStreams.length>0&&self.localStreams[0].getTracks().length>=sdpMLineIndex){var localtrack=self.localStreams[0].getTracks()[sdpMLineIndex];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,sendSsrc:sendSsrc,recvSsrc:recvSsrc},self._transceive(self.transceivers[sdpMLineIndex],!1,"sendrecv"===direction||"sendonly"===direction)}else"answer"!==description.type||rejected||(transceiver=self.transceivers[sdpMLineIndex],iceGatherer=transceiver.iceGatherer,iceTransport=transceiver.iceTransport,dtlsTransport=transceiver.dtlsTransport,rtpSender=transceiver.rtpSender,rtpReceiver=transceiver.rtpReceiver,sendSsrc=transceiver.sendSsrc,localCapabilities=transceiver.localCapabilities,self.transceivers[sdpMLineIndex].recvSsrc=recvSsrc,self.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities,self.transceivers[sdpMLineIndex].cname=cname,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:stream.addTrack(rtpReceiver.track))}),this.remoteDescription=description,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 window.setTimeout(function(){null!==self.onaddstream&&stream.getTracks().length&&(self.remoteStreams.push(stream),window.setTimeout(function(){self.onaddstream({stream:stream})},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,null!==this.onsignalingstatechange&&this.onsignalingstatechange()},window.RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){null!==this.onnegotiationneeded&&this.onnegotiationneeded()},window.RTCPeerConnection.prototype._updateConnectionState=function(){var newState,self=this,states={"new":0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};this.transceivers.forEach(function(transceiver){states[transceiver.iceTransport.state]++,states[transceiver.dtlsTransport.state]++}),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.connecting>0||states.completed>0)&&(newState="connected"),newState!==self.iceConnectionState&&(self.iceConnectionState=newState,null!==this.oniceconnectionstatechange&&this.oniceconnectionstatechange())},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=generateIdentifier(),transports=self._createIceAndDtlsTransports(mid,sdpMLineIndex),localCapabilities=RTCRtpSender.getCapabilities(kind),sendSsrc=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,sendSsrc:sendSsrc,recvSsrc:null};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 answerOptions,self=this;1===arguments.length&&"function"!=typeof arguments[0]?answerOptions=arguments[0]:3===arguments.length&&(answerOptions=arguments[2]);var sdp=SDPUtils.writeSessionBoilerplate();this.transceivers.forEach(function(transceiver){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){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)return;if("1"!==cand.component)return;"endOfCandidates"===cand.type&&(cand={}),transceiver.iceTransport.addRemoteCandidate(cand)}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={};Promise.all(promises).then(function(res){res.forEach(function(result){Object.keys(result).forEach(function(id){results[id]=result[id]})}),cb&&window.setTimeout(cb,0,results),resolve(results)})})}}}else webrtcUtils.log("Browser does not appear to be WebRTC-capable");else webrtcUtils.log("This does not appear to be a browser"),webrtcDetectedBrowser="not a browser";var webrtcTesting={};try{Object.defineProperty(webrtcTesting,"version",{set:function(version){webrtcDetectedVersion=version}})}catch(e){}AdapterJS.parseWebrtcDetectedBrowser(),navigator.mozGetUserMedia?(MediaStreamTrack.getSources=function(successCb){setTimeout(function(){var infos=[{kind:"audio",id:"default",label:"",facing:""},{kind:"video",id:"default",label:"",facing:""}];successCb(infos)},0)},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");if(0===urlParts[0].indexOf("stun"))iceServer={urls:[url]};else if(0===urlParts[0].indexOf("turn"))if(27>webrtcDetectedVersion){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&&(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+)$/)&&(getUserMedia=window.getUserMedia=navigator.getUserMedia.bind(navigator),attachMediaStream=function(element,stream){return element.srcObject=stream,element},reattachMediaStream=function(to,from){return to.srcObject=from.srcObject,to}),attachMediaStream_base=attachMediaStream,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=getUserMedia,AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,"undefined"==typeof Promise&&(requestUserMedia=null),AdapterJS.maybeThroughWebRTCReady()}else("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&&10>=webrtcDetectedVersion){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,installedCb,notInstalledCb){if(isIE){try{new ActiveXObject(comName+"."+plugName)}catch(e){return void notInstalledCb()}installedCb()}else{for(var pluginArray=navigator.plugins,i=0;i<pluginArray.length;i++)if(pluginArray[i].name.indexOf(plugName)>=0)return void installedCb();notInstalledCb()}},AdapterJS.WebRTCPlugin.defineWebRTCInterface=function(){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("undefined"!=typeof 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")}if(AdapterJS.WebRTCPlugin.WaitForPluginReady(),AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION&&AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION>1)return AdapterJS.WebRTCPlugin.plugin.PeerConnection(servers);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)}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={},MediaStreamTrack.getSources=function(callback){AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.GetSources(callback)})},getUserMedia=function(constraints,successCallback,failureCallback){constraints.audio=constraints.audio||!1,constraints.video=constraints.video||!1,AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.getUserMedia(constraints,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="":("undefined"!=typeof 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}return null!==stream?attachMediaStream(to,stream):void 0},window.attachMediaStream=attachMediaStream,window.reattachMediaStream=reattachMediaStream,window.getUserMedia=getUserMedia,AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,AdapterJS.forwardEventHandlers=function(destElem,srcElem,prototype){properties=Object.getOwnPropertyNames(prototype);for(var prop in properties)prop&&(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,downloadLink)}else AdapterJS.renderNotificationBar(AdapterJS.TEXT.PLUGIN.NOT_SUPPORTED)}},AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,AdapterJS.WebRTCPlugin.defineWebRTCInterface,AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb);
\ No newline at end of file
diff --git a/publish/adapter.screenshare.js b/publish/adapter.screenshare.js
index 1ea867f..88b42b0 100644
--- a/publish/adapter.screenshare.js
+++ b/publish/adapter.screenshare.js
@@ -316,6 +316,7 @@ AdapterJS.renderNotificationBar = function (text, buttonText, buttonLink, openNe
 
   var w = window;
   var i = document.createElement('iframe');
+  i.name = 'adapterjs-alert';
   i.style.position = 'fixed';
   i.style.top = '-41px';
   i.style.left = 0;
diff --git a/publish/adapter.screenshare.min.js b/publish/adapter.screenshare.min.js
index c43e7e8..579afa6 100644
--- a/publish/adapter.screenshare.min.js
+++ b/publish/adapter.screenshare.min.js
@@ -1,3 +1,3 @@
 /*! adapterjs - v0.13.2 - 2016-03-18 */
-function trace(text){if("\n"===text[text.length-1]&&(text=text.substring(0,text.length-1)),window.performance){var now=(window.performance.now()/1e3).toFixed(3);webrtcUtils.log(now+": "+text)}else webrtcUtils.log(text)}function requestUserMedia(constraints){return new Promise(function(resolve,reject){getUserMedia(constraints,resolve,reject)})}var AdapterJS=AdapterJS||{};if("undefined"!=typeof exports&&(module.exports=AdapterJS),AdapterJS.options=AdapterJS.options||{},AdapterJS.VERSION="0.13.2",AdapterJS.onwebrtcready=AdapterJS.onwebrtcready||function(isUsingPlugin){},AdapterJS._onwebrtcreadies=[],AdapterJS.webRTCReady=function(callback){if("function"!=typeof callback)throw new Error("Callback provided is not a function");!0===AdapterJS.onwebrtcreadyDone?callback(null!==AdapterJS.WebRTCPlugin.plugin):AdapterJS._onwebrtcreadies.push(callback)},AdapterJS.WebRTCPlugin=AdapterJS.WebRTCPlugin||{},AdapterJS.WebRTCPlugin.pluginInfo={prefix:"Tem",plugName:"TemWebRTCPlugin",pluginId:"plugin0",type:"application/x-temwebrtcplugin",onload:"__TemWebRTCReady0",portalLink:"http://skylink.io/plugin/",downloadLink:null,companyName:"Temasys"},navigator.platform.match(/^Mac/i)?AdapterJS.WebRTCPlugin.pluginInfo.downloadLink="http://bit.ly/1n77hco":navigator.platform.match(/^Win/i)&&(AdapterJS.WebRTCPlugin.pluginInfo.downloadLink="http://bit.ly/1kkS4FN"),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;window.opr&&opr.addons||window.opera||navigator.userAgent.indexOf(" OPR/")>=0?(webrtcDetectedBrowser="opera",webrtcDetectedType="webkit",webrtcMinimumVersion=26,hasMatch=/OPR\/(\d+)/i.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1],10)):"undefined"!=typeof InstallTrigger?webrtcDetectedType="moz":Object.prototype.toString.call(window.HTMLElement).indexOf("Constructor")>0?(webrtcDetectedBrowser="safari",webrtcDetectedType="plugin",webrtcMinimumVersion=7,hasMatch=/version\/(\d+)/i.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1],10)):document.documentMode?(webrtcDetectedBrowser="IE",webrtcDetectedType="plugin",webrtcMinimumVersion=9,hasMatch=/\brv[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcDetectedVersion||(hasMatch=/\bMSIE[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10))):window.StyleMedia?webrtcDetectedType="":window.chrome&&window.chrome.webstore?webrtcDetectedType="webkit":"chrome"!==webrtcDetectedBrowser&&"opera"!==webrtcDetectedBrowser||!window.CSS||(webrtcDetectedBrowser="blink"),window.webrtcDetectedBrowser=webrtcDetectedBrowser,window.webrtcDetectedVersion=webrtcDetectedVersion,window.webrtcMinimumVersion=webrtcMinimumVersion},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(text,buttonText,buttonLink,openNewTab,displayRefreshBar){if("complete"===document.readyState){var w=window,i=document.createElement("iframe");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;">'+text+"</span>"),buttonText&&buttonLink?(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){displayRefreshBar&&AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION?AdapterJS.TEXT.EXTENSION.REQUIRE_REFRESH:AdapterJS.TEXT.REFRESH.REQUIRE_REFRESH,AdapterJS.TEXT.REFRESH.BUTTON,"javascript:location.reload()"),window.open(buttonLink,openNewTab?"_blank":"_top"),e.preventDefault();try{e.cancelBubble=!0}catch(error){}var pluginInstallInterval=setInterval(function(){isIE||navigator.plugins.refresh(!1),AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,function(){clearInterval(pluginInstallInterval),AdapterJS.WebRTCPlugin.defineWebRTCInterface()},function(){})},500)}),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?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=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+)$/)){var getUserMedia=null,attachMediaStream=null,reattachMediaStream=null,webrtcDetectedBrowser=null,webrtcDetectedVersion=null,webrtcMinimumVersion=null,webrtcUtils={log:function(){"undefined"!=typeof module||"function"==typeof require&&"function"==typeof define},extractVersion:function(uastring,expr,pos){var match=uastring.match(expr);return match&&match.length>=pos&&parseInt(match[pos],10)}};if("object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return"mozSrcObject"in this?this.mozSrcObject:this._srcObject},set:function(stream){"mozSrcObject"in this?this.mozSrcObject=stream:(this._srcObject=stream,this.src=URL.createObjectURL(stream))}}),getUserMedia=window.navigator&&window.navigator.getUserMedia),attachMediaStream=function(element,stream){element.srcObject=stream},reattachMediaStream=function(to,from){to.srcObject=from.srcObject},"undefined"!=typeof window&&window.navigator)if(navigator.mozGetUserMedia){if(webrtcUtils.log("This appears to be Firefox"),webrtcDetectedBrowser="firefox",webrtcDetectedVersion=webrtcUtils.extractVersion(navigator.userAgent,/Firefox\/([0-9]+)\./,1),webrtcMinimumVersion=31,window.RTCPeerConnection||(window.RTCPeerConnection=function(pcConfig,pcConstraints){if(38>webrtcDetectedVersion&&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)},mozRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return arguments.length?mozRTCPeerConnection.generateCertificate.apply(null,arguments):mozRTCPeerConnection.generateCertificate}}),window.RTCSessionDescription=mozRTCSessionDescription,window.RTCIceCandidate=mozRTCIceCandidate),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 38>webrtcDetectedVersion&&(webrtcUtils.log("spec: "+JSON.stringify(constraints)),constraints.audio&&(constraints.audio=constraintsToFF37(constraints.audio)),constraints.video&&(constraints.video=constraintsToFF37(constraints.video)),webrtcUtils.log("ff37: "+JSON.stringify(constraints))),navigator.mozGetUserMedia(constraints,onSuccess,onError)},navigator.getUserMedia=getUserMedia,navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:requestUserMedia,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)})},41>webrtcDetectedVersion){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})}}}else if(navigator.webkitGetUserMedia&&window.webkitRTCPeerConnection){webrtcUtils.log("This appears to be Chrome"),webrtcDetectedBrowser="chrome",webrtcDetectedVersion=webrtcUtils.extractVersion(navigator.userAgent,/Chrom(e|ium)\/([0-9]+)\./,2),webrtcMinimumVersion=38,window.RTCPeerConnection=function(pcConfig,pcConstraints){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={},reports=response.result();return reports.forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name)}),standardReport[standardStats.id]=standardStats}),standardReport};if(arguments.length>=2){var successCallbackWrapper=function(response){args[1](fixChromeStats(response))};return origGetStats.apply(this,[successCallbackWrapper,arguments[0]])}return new Promise(function(resolve,reject){1===args.length&&null===selector?origGetStats.apply(self,[function(response){resolve.apply(null,[fixChromeStats(response)])},reject]):origGetStats.apply(self,[resolve,reject])})},pc},webkitRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return arguments.length?webkitRTCPeerConnection.generateCertificate.apply(null,arguments):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)}}),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){var args=arguments,self=this;return new Promise(function(resolve,reject){nativeMethod.apply(self,[args[0],function(){resolve(),args.length>=2&&args[1].apply(null,[])},function(err){reject(err),args.length>=3&&args[2].apply(null,[err])}])})}});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};if(getUserMedia=function(constraints,onSuccess,onError){return constraints.audio&&(constraints.audio=constraintsToChrome(constraints.audio)),constraints.video&&(constraints.video=constraintsToChrome(constraints.video)),webrtcUtils.log("chrome: "+JSON.stringify(constraints)),navigator.webkitGetUserMedia(constraints,onSuccess,onError)},navigator.getUserMedia=getUserMedia,navigator.mediaDevices||(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],deviceId:device.id,groupId:""}}))})})}}),navigator.mediaDevices.getUserMedia){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return webrtcUtils.log("spec:   "+JSON.stringify(c)),c.audio=constraintsToChrome(c.audio),c.video=constraintsToChrome(c.video),webrtcUtils.log("chrome: "+JSON.stringify(c)),origGetUserMedia(c)}}else navigator.mediaDevices.getUserMedia=function(constraints){return requestUserMedia(constraints)};"undefined"==typeof navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){webrtcUtils.log("Dummy mediaDevices.addEventListener called.")}),"undefined"==typeof navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){webrtcUtils.log("Dummy mediaDevices.removeEventListener called.")}),attachMediaStream=function(element,stream){webrtcDetectedVersion>=43?element.srcObject=stream:"undefined"!=typeof element.src?element.src=URL.createObjectURL(stream):webrtcUtils.log("Error attaching stream to element.")},reattachMediaStream=function(to,from){webrtcDetectedVersion>=43?to.srcObject=from.srcObject:to.src=from.src}}else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)){if(webrtcUtils.log("This appears to be Edge"),webrtcDetectedBrowser="edge",webrtcDetectedVersion=webrtcUtils.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2),webrtcMinimumVersion=10547,window.RTCIceGatherer){var generateIdentifier=function(){return Math.random().toString(36).substr(2,10)},localCName=generateIdentifier(),SDPUtils={};SDPUtils.splitLines=function(blob){return blob.trim().split("\n").map(function(line){return line.trim()})},SDPUtils.splitSections=function(blob){var parts=blob.split("\r\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 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.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.writeFtmp=function(codec){var line="",pt=codec.payloadType;if(void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),codec.parameters&&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+"\r\n"}),lines},SDPUtils.parseSsrcMedia=function(line){var sp=line.indexOf(" "),parts={ssrc:line.substr(7,sp-7)},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.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),dtlsParameters={role:"auto",fingerprints:[{algorithm:fpLine.split(" ")[0],value:fpLine.split(" ")[1]}]};return dtlsParameters},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);lines=lines.concat(SDPUtils.splitLines(sessionpart));var iceParameters={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)};return iceParameters},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+" ");codec.parameters=fmtps.length?SDPUtils.parseFmtp(fmtps[0]):{},codec.rtcpFeedback=SDPUtils.matchPrefix(mediaSection,"a=rtcp-fb:"+pt+" ").map(SDPUtils.parseRtcpFb),description.codecs.push(codec)}}return description},SDPUtils.writeRtpDescription=function(kind,caps){var sdp="";return 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.writeFtmp(codec),sdp+=SDPUtils.writeRtcpFb(codec)}),sdp+="a=rtcp-mux\r\n"},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",sdp+=transceiver.rtpSender&&transceiver.rtpReceiver?"a=sendrecv\r\n":transceiver.rtpSender?"a=sendonly\r\n":transceiver.rtpReceiver?"a=recvonly\r\n":"a=inactive\r\n",transceiver.rtpSender){var msid="msid:"+stream.id+" "+transceiver.rtpSender.track.id+"\r\n";sdp+="a="+msid,sdp+="a=ssrc:"+transceiver.sendSsrc+" "+msid}return sdp+="a=ssrc:"+transceiver.sendSsrc+" cname:"+localCName+"\r\n"},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"},window.RTCIceCandidate||(window.RTCIceCandidate=function(args){return args}),window.RTCSessionDescription||(window.RTCSessionDescription=function(args){return args}),window.RTCPeerConnection=function(config){var self=this;if(this.onicecandidate=null,this.onaddstream=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.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')}config&&config.iceServers&&config.iceServers.forEach(function(server){if(server.urls){var url;url="string"==typeof server.urls?server.urls:server.urls[0],-1!==url.indexOf("transport=udp")&&self.iceServers.push({username:server.username,credential:server.credential,urls:url})}}),this.transceivers=[],this._localIceCandidatesBuffer=[]},window.RTCPeerConnection.prototype._emitBufferedCandidates=function(){var self=this;this._localIceCandidatesBuffer.forEach(function(event){null!==self.onicecandidate&&self.onicecandidate(event)}),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._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);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={};event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate;cand&&0!==Object.keys(cand).length?(cand.component="RTCP"===iceTransport.component?2:1,event.candidate.candidate=SDPUtils.writeCandidate(cand)):(void 0===iceGatherer.state&&(iceGatherer.state="completed"),event.candidate.candidate="candidate:1 1 udp 1 0.0.0.0 9 typ endOfCandidates");var complete=self.transceivers.every(function(transceiver){return transceiver.iceGatherer&&"completed"===transceiver.iceGatherer.state});null!==self.onicecandidate&&(self.localDescription&&""===self.localDescription.type?(self._localIceCandidatesBuffer.push(event),complete&&self._localIceCandidatesBuffer.push({})):(self.onicecandidate(event),complete&&self.onicecandidate({})))},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=[{ssrc:transceiver.sendSsrc}],params.rtcp={cname:localCName,ssrc:transceiver.recvSsrc},transceiver.rtpSender.send(params)),recv&&transceiver.rtpReceiver&&(params.encodings=[{ssrc:transceiver.recvSsrc}],params.rtcp={cname:transceiver.cname,ssrc:transceiver.sendSsrc},transceiver.rtpReceiver.receive(params))},window.RTCPeerConnection.prototype.setLocalDescription=function(description){var self=this;if("offer"===description.type)this._pendingOffer&&(this.transceivers=this._pendingOffer,delete this._pendingOffer);else if("answer"===description.type){var sections=SDPUtils.splitSections(self.remoteDescription.sdp),sessionpart=sections.shift();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,rejected="0"===mediaSection.split("\n",1)[0].split(" ",2)[1];if(!rejected){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);iceTransport.start(iceGatherer,remoteIceParameters,"controlled");var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);dtlsTransport.start(remoteDtlsParameters);var params=self._getCommonCapabilities(localCapabilities,remoteCapabilities);self._transceive(transceiver,params.codecs.length>0,!1)}})}switch(this.localDescription=description,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(),self._emitBufferedCandidates()},0)}var p=Promise.resolve();return p.then(function(){hasCallback||window.setTimeout(self._emitBufferedCandidates.bind(self),0)}),p},window.RTCPeerConnection.prototype.setRemoteDescription=function(description){var self=this,stream=new MediaStream,sections=SDPUtils.splitSections(description.sdp),sessionpart=sections.shift();switch(sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver,iceGatherer,iceTransport,dtlsTransport,rtpSender,rtpReceiver,sendSsrc,recvSsrc,localCapabilities,remoteIceParameters,remoteDtlsParameters,lines=SDPUtils.splitLines(mediaSection),mline=lines[0].substr(2).split(" "),kind=mline[0],rejected="0"===mline[1],direction=SDPUtils.getDirection(mediaSection,sessionpart),remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);rejected||(remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart),remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart));var cname,mid=SDPUtils.matchPrefix(mediaSection,"a=mid:")[0].substr(6),remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return"cname"===obj.attribute})[0];if(remoteSsrc&&(recvSsrc=parseInt(remoteSsrc.ssrc,10),cname=remoteSsrc.value),"offer"===description.type){var transports=self._createIceAndDtlsTransports(mid,sdpMLineIndex);if(localCapabilities=RTCRtpReceiver.getCapabilities(kind),sendSsrc=1001*(2*sdpMLineIndex+2),rtpReceiver=new RTCRtpReceiver(transports.dtlsTransport,kind),stream.addTrack(rtpReceiver.track),self.localStreams.length>0&&self.localStreams[0].getTracks().length>=sdpMLineIndex){var localtrack=self.localStreams[0].getTracks()[sdpMLineIndex];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,sendSsrc:sendSsrc,recvSsrc:recvSsrc},self._transceive(self.transceivers[sdpMLineIndex],!1,"sendrecv"===direction||"sendonly"===direction)}else"answer"!==description.type||rejected||(transceiver=self.transceivers[sdpMLineIndex],iceGatherer=transceiver.iceGatherer,iceTransport=transceiver.iceTransport,dtlsTransport=transceiver.dtlsTransport,rtpSender=transceiver.rtpSender,rtpReceiver=transceiver.rtpReceiver,sendSsrc=transceiver.sendSsrc,localCapabilities=transceiver.localCapabilities,self.transceivers[sdpMLineIndex].recvSsrc=recvSsrc,self.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities,self.transceivers[sdpMLineIndex].cname=cname,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:stream.addTrack(rtpReceiver.track))}),this.remoteDescription=description,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 window.setTimeout(function(){null!==self.onaddstream&&stream.getTracks().length&&(self.remoteStreams.push(stream),window.setTimeout(function(){self.onaddstream({stream:stream})},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,null!==this.onsignalingstatechange&&this.onsignalingstatechange()},window.RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){null!==this.onnegotiationneeded&&this.onnegotiationneeded()},window.RTCPeerConnection.prototype._updateConnectionState=function(){var newState,self=this,states={"new":0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};this.transceivers.forEach(function(transceiver){states[transceiver.iceTransport.state]++,states[transceiver.dtlsTransport.state]++}),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.connecting>0||states.completed>0)&&(newState="connected"),newState!==self.iceConnectionState&&(self.iceConnectionState=newState,null!==this.oniceconnectionstatechange&&this.oniceconnectionstatechange())},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=generateIdentifier(),transports=self._createIceAndDtlsTransports(mid,sdpMLineIndex),localCapabilities=RTCRtpSender.getCapabilities(kind),sendSsrc=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,sendSsrc:sendSsrc,recvSsrc:null};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 answerOptions,self=this;1===arguments.length&&"function"!=typeof arguments[0]?answerOptions=arguments[0]:3===arguments.length&&(answerOptions=arguments[2]);var sdp=SDPUtils.writeSessionBoilerplate();this.transceivers.forEach(function(transceiver){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){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)return;if("1"!==cand.component)return;"endOfCandidates"===cand.type&&(cand={}),transceiver.iceTransport.addRemoteCandidate(cand)}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={};Promise.all(promises).then(function(res){res.forEach(function(result){Object.keys(result).forEach(function(id){results[id]=result[id]})}),cb&&window.setTimeout(cb,0,results),resolve(results)})})}}}else webrtcUtils.log("Browser does not appear to be WebRTC-capable");else webrtcUtils.log("This does not appear to be a browser"),webrtcDetectedBrowser="not a browser";var webrtcTesting={};try{Object.defineProperty(webrtcTesting,"version",{set:function(version){webrtcDetectedVersion=version}})}catch(e){}AdapterJS.parseWebrtcDetectedBrowser(),navigator.mozGetUserMedia?(MediaStreamTrack.getSources=function(successCb){setTimeout(function(){var infos=[{kind:"audio",id:"default",label:"",facing:""},{kind:"video",id:"default",label:"",facing:""}];successCb(infos)},0)},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");if(0===urlParts[0].indexOf("stun"))iceServer={urls:[url]};else if(0===urlParts[0].indexOf("turn"))if(27>webrtcDetectedVersion){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&&(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+)$/)&&(getUserMedia=window.getUserMedia=navigator.getUserMedia.bind(navigator),attachMediaStream=function(element,stream){return element.srcObject=stream,element},reattachMediaStream=function(to,from){return to.srcObject=from.srcObject,to}),attachMediaStream_base=attachMediaStream,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=getUserMedia,AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,"undefined"==typeof Promise&&(requestUserMedia=null),AdapterJS.maybeThroughWebRTCReady()}else("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&&10>=webrtcDetectedVersion){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,installedCb,notInstalledCb){if(isIE){try{new ActiveXObject(comName+"."+plugName)}catch(e){return void notInstalledCb()}installedCb()}else{for(var pluginArray=navigator.plugins,i=0;i<pluginArray.length;i++)if(pluginArray[i].name.indexOf(plugName)>=0)return void installedCb();notInstalledCb()}},AdapterJS.WebRTCPlugin.defineWebRTCInterface=function(){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("undefined"!=typeof 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")}if(AdapterJS.WebRTCPlugin.WaitForPluginReady(),AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION&&AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION>1)return AdapterJS.WebRTCPlugin.plugin.PeerConnection(servers);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)}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={},MediaStreamTrack.getSources=function(callback){AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.GetSources(callback)})},getUserMedia=function(constraints,successCallback,failureCallback){constraints.audio=constraints.audio||!1,constraints.video=constraints.video||!1,AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.getUserMedia(constraints,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="":("undefined"!=typeof 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}return null!==stream?attachMediaStream(to,stream):void 0},window.attachMediaStream=attachMediaStream,window.reattachMediaStream=reattachMediaStream,window.getUserMedia=getUserMedia,AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,AdapterJS.forwardEventHandlers=function(destElem,srcElem,prototype){properties=Object.getOwnPropertyNames(prototype);for(var prop in properties)prop&&(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,downloadLink)}else AdapterJS.renderNotificationBar(AdapterJS.TEXT.PLUGIN.NOT_SUPPORTED)}},AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,AdapterJS.WebRTCPlugin.defineWebRTCInterface,AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb);!function(){"use strict";var baseGetUserMedia=null;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"};var 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){["PermissionDeniedError","SecurityError"].indexOf(error.name)>-1&&"https:"===window.parent.location.protocol?AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION.REQUIRE_INSTALLATION_FF,AdapterJS.TEXT.EXTENSION.BUTTON_FF,"https://addons.mozilla.org/en-US/firefox/addon/skylink-webrtc-tools/",!0,!0):failureCb(error)}))},1)}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)})}):window.navigator.webkitGetUserMedia?(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,event.data.data,!0,!0):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(){return AdapterJS.WebRTCPlugin.plugin.HasScreensharingFeature&&AdapterJS.WebRTCPlugin.plugin.isScreensharingAvailable?(updatedConstraints.video.optional=updatedConstraints.video.optional||[],updatedConstraints.video.optional.push({sourceId:AdapterJS.WebRTCPlugin.plugin.screensharingKey||"Screensharing"}),delete updatedConstraints.video.mediaSource,void baseGetUserMedia(updatedConstraints,successCb,failureCb)):void failureCb(new Error("Your version of the WebRTC plugin does not support screensharing"))})}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){return object=object||{},iframe.isLoaded?void iframe.contentWindow.postMessage(object,"*"):void setTimeout(function(){iframe.contentWindow.postMessage(object,"*")},100)}}else"opera"===window.webrtcDetectedBrowser}();
\ No newline at end of file
+function trace(text){if("\n"===text[text.length-1]&&(text=text.substring(0,text.length-1)),window.performance){var now=(window.performance.now()/1e3).toFixed(3);webrtcUtils.log(now+": "+text)}else webrtcUtils.log(text)}function requestUserMedia(constraints){return new Promise(function(resolve,reject){getUserMedia(constraints,resolve,reject)})}var AdapterJS=AdapterJS||{};if("undefined"!=typeof exports&&(module.exports=AdapterJS),AdapterJS.options=AdapterJS.options||{},AdapterJS.VERSION="0.13.2",AdapterJS.onwebrtcready=AdapterJS.onwebrtcready||function(isUsingPlugin){},AdapterJS._onwebrtcreadies=[],AdapterJS.webRTCReady=function(callback){if("function"!=typeof callback)throw new Error("Callback provided is not a function");!0===AdapterJS.onwebrtcreadyDone?callback(null!==AdapterJS.WebRTCPlugin.plugin):AdapterJS._onwebrtcreadies.push(callback)},AdapterJS.WebRTCPlugin=AdapterJS.WebRTCPlugin||{},AdapterJS.WebRTCPlugin.pluginInfo={prefix:"Tem",plugName:"TemWebRTCPlugin",pluginId:"plugin0",type:"application/x-temwebrtcplugin",onload:"__TemWebRTCReady0",portalLink:"http://skylink.io/plugin/",downloadLink:null,companyName:"Temasys"},navigator.platform.match(/^Mac/i)?AdapterJS.WebRTCPlugin.pluginInfo.downloadLink="http://bit.ly/1n77hco":navigator.platform.match(/^Win/i)&&(AdapterJS.WebRTCPlugin.pluginInfo.downloadLink="http://bit.ly/1kkS4FN"),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;window.opr&&opr.addons||window.opera||navigator.userAgent.indexOf(" OPR/")>=0?(webrtcDetectedBrowser="opera",webrtcDetectedType="webkit",webrtcMinimumVersion=26,hasMatch=/OPR\/(\d+)/i.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1],10)):"undefined"!=typeof InstallTrigger?webrtcDetectedType="moz":Object.prototype.toString.call(window.HTMLElement).indexOf("Constructor")>0?(webrtcDetectedBrowser="safari",webrtcDetectedType="plugin",webrtcMinimumVersion=7,hasMatch=/version\/(\d+)/i.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1],10)):document.documentMode?(webrtcDetectedBrowser="IE",webrtcDetectedType="plugin",webrtcMinimumVersion=9,hasMatch=/\brv[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10),webrtcDetectedVersion||(hasMatch=/\bMSIE[ :]+(\d+)/g.exec(navigator.userAgent)||[],webrtcDetectedVersion=parseInt(hasMatch[1]||"0",10))):window.StyleMedia?webrtcDetectedType="":window.chrome&&window.chrome.webstore?webrtcDetectedType="webkit":"chrome"!==webrtcDetectedBrowser&&"opera"!==webrtcDetectedBrowser||!window.CSS||(webrtcDetectedBrowser="blink"),window.webrtcDetectedBrowser=webrtcDetectedBrowser,window.webrtcDetectedVersion=webrtcDetectedVersion,window.webrtcMinimumVersion=webrtcMinimumVersion},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(text,buttonText,buttonLink,openNewTab,displayRefreshBar){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;">'+text+"</span>"),buttonText&&buttonLink?(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){displayRefreshBar&&AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION?AdapterJS.TEXT.EXTENSION.REQUIRE_REFRESH:AdapterJS.TEXT.REFRESH.REQUIRE_REFRESH,AdapterJS.TEXT.REFRESH.BUTTON,"javascript:location.reload()"),window.open(buttonLink,openNewTab?"_blank":"_top"),e.preventDefault();try{e.cancelBubble=!0}catch(error){}var pluginInstallInterval=setInterval(function(){isIE||navigator.plugins.refresh(!1),AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,function(){clearInterval(pluginInstallInterval),AdapterJS.WebRTCPlugin.defineWebRTCInterface()},function(){})},500)}),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?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=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+)$/)){var getUserMedia=null,attachMediaStream=null,reattachMediaStream=null,webrtcDetectedBrowser=null,webrtcDetectedVersion=null,webrtcMinimumVersion=null,webrtcUtils={log:function(){"undefined"!=typeof module||"function"==typeof require&&"function"==typeof define},extractVersion:function(uastring,expr,pos){var match=uastring.match(expr);return match&&match.length>=pos&&parseInt(match[pos],10)}};if("object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return"mozSrcObject"in this?this.mozSrcObject:this._srcObject},set:function(stream){"mozSrcObject"in this?this.mozSrcObject=stream:(this._srcObject=stream,this.src=URL.createObjectURL(stream))}}),getUserMedia=window.navigator&&window.navigator.getUserMedia),attachMediaStream=function(element,stream){element.srcObject=stream},reattachMediaStream=function(to,from){to.srcObject=from.srcObject},"undefined"!=typeof window&&window.navigator)if(navigator.mozGetUserMedia){if(webrtcUtils.log("This appears to be Firefox"),webrtcDetectedBrowser="firefox",webrtcDetectedVersion=webrtcUtils.extractVersion(navigator.userAgent,/Firefox\/([0-9]+)\./,1),webrtcMinimumVersion=31,window.RTCPeerConnection||(window.RTCPeerConnection=function(pcConfig,pcConstraints){if(38>webrtcDetectedVersion&&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)},mozRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return arguments.length?mozRTCPeerConnection.generateCertificate.apply(null,arguments):mozRTCPeerConnection.generateCertificate}}),window.RTCSessionDescription=mozRTCSessionDescription,window.RTCIceCandidate=mozRTCIceCandidate),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 38>webrtcDetectedVersion&&(webrtcUtils.log("spec: "+JSON.stringify(constraints)),constraints.audio&&(constraints.audio=constraintsToFF37(constraints.audio)),constraints.video&&(constraints.video=constraintsToFF37(constraints.video)),webrtcUtils.log("ff37: "+JSON.stringify(constraints))),navigator.mozGetUserMedia(constraints,onSuccess,onError)},navigator.getUserMedia=getUserMedia,navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:requestUserMedia,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)})},41>webrtcDetectedVersion){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})}}}else if(navigator.webkitGetUserMedia&&window.webkitRTCPeerConnection){webrtcUtils.log("This appears to be Chrome"),webrtcDetectedBrowser="chrome",webrtcDetectedVersion=webrtcUtils.extractVersion(navigator.userAgent,/Chrom(e|ium)\/([0-9]+)\./,2),webrtcMinimumVersion=38,window.RTCPeerConnection=function(pcConfig,pcConstraints){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={},reports=response.result();return reports.forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name)}),standardReport[standardStats.id]=standardStats}),standardReport};if(arguments.length>=2){var successCallbackWrapper=function(response){args[1](fixChromeStats(response))};return origGetStats.apply(this,[successCallbackWrapper,arguments[0]])}return new Promise(function(resolve,reject){1===args.length&&null===selector?origGetStats.apply(self,[function(response){resolve.apply(null,[fixChromeStats(response)])},reject]):origGetStats.apply(self,[resolve,reject])})},pc},webkitRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return arguments.length?webkitRTCPeerConnection.generateCertificate.apply(null,arguments):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)}}),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=webkitRTCPeerConnection.prototype[method];webkitRTCPeerConnection.prototype[method]=function(){var args=arguments,self=this;return new Promise(function(resolve,reject){nativeMethod.apply(self,[args[0],function(){resolve(),args.length>=2&&args[1].apply(null,[])},function(err){reject(err),args.length>=3&&args[2].apply(null,[err])}])})}});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};if(getUserMedia=function(constraints,onSuccess,onError){return constraints.audio&&(constraints.audio=constraintsToChrome(constraints.audio)),constraints.video&&(constraints.video=constraintsToChrome(constraints.video)),webrtcUtils.log("chrome: "+JSON.stringify(constraints)),navigator.webkitGetUserMedia(constraints,onSuccess,onError)},navigator.getUserMedia=getUserMedia,navigator.mediaDevices||(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],deviceId:device.id,groupId:""}}))})})}}),navigator.mediaDevices.getUserMedia){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return webrtcUtils.log("spec:   "+JSON.stringify(c)),c.audio=constraintsToChrome(c.audio),c.video=constraintsToChrome(c.video),webrtcUtils.log("chrome: "+JSON.stringify(c)),origGetUserMedia(c)}}else navigator.mediaDevices.getUserMedia=function(constraints){return requestUserMedia(constraints)};"undefined"==typeof navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){webrtcUtils.log("Dummy mediaDevices.addEventListener called.")}),"undefined"==typeof navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){webrtcUtils.log("Dummy mediaDevices.removeEventListener called.")}),attachMediaStream=function(element,stream){webrtcDetectedVersion>=43?element.srcObject=stream:"undefined"!=typeof element.src?element.src=URL.createObjectURL(stream):webrtcUtils.log("Error attaching stream to element.")},reattachMediaStream=function(to,from){webrtcDetectedVersion>=43?to.srcObject=from.srcObject:to.src=from.src}}else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)){if(webrtcUtils.log("This appears to be Edge"),webrtcDetectedBrowser="edge",webrtcDetectedVersion=webrtcUtils.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2),webrtcMinimumVersion=10547,window.RTCIceGatherer){var generateIdentifier=function(){return Math.random().toString(36).substr(2,10)},localCName=generateIdentifier(),SDPUtils={};SDPUtils.splitLines=function(blob){return blob.trim().split("\n").map(function(line){return line.trim()})},SDPUtils.splitSections=function(blob){var parts=blob.split("\r\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 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.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.writeFtmp=function(codec){var line="",pt=codec.payloadType;if(void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),codec.parameters&&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+"\r\n"}),lines},SDPUtils.parseSsrcMedia=function(line){var sp=line.indexOf(" "),parts={ssrc:line.substr(7,sp-7)},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.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),dtlsParameters={role:"auto",fingerprints:[{algorithm:fpLine.split(" ")[0],value:fpLine.split(" ")[1]}]};return dtlsParameters},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);lines=lines.concat(SDPUtils.splitLines(sessionpart));var iceParameters={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)};return iceParameters},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+" ");codec.parameters=fmtps.length?SDPUtils.parseFmtp(fmtps[0]):{},codec.rtcpFeedback=SDPUtils.matchPrefix(mediaSection,"a=rtcp-fb:"+pt+" ").map(SDPUtils.parseRtcpFb),description.codecs.push(codec)}}return description},SDPUtils.writeRtpDescription=function(kind,caps){var sdp="";return 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.writeFtmp(codec),sdp+=SDPUtils.writeRtcpFb(codec)}),sdp+="a=rtcp-mux\r\n"},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",sdp+=transceiver.rtpSender&&transceiver.rtpReceiver?"a=sendrecv\r\n":transceiver.rtpSender?"a=sendonly\r\n":transceiver.rtpReceiver?"a=recvonly\r\n":"a=inactive\r\n",transceiver.rtpSender){var msid="msid:"+stream.id+" "+transceiver.rtpSender.track.id+"\r\n";sdp+="a="+msid,sdp+="a=ssrc:"+transceiver.sendSsrc+" "+msid}return sdp+="a=ssrc:"+transceiver.sendSsrc+" cname:"+localCName+"\r\n"},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"},window.RTCIceCandidate||(window.RTCIceCandidate=function(args){return args}),window.RTCSessionDescription||(window.RTCSessionDescription=function(args){return args}),window.RTCPeerConnection=function(config){var self=this;if(this.onicecandidate=null,this.onaddstream=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.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')}config&&config.iceServers&&config.iceServers.forEach(function(server){if(server.urls){var url;url="string"==typeof server.urls?server.urls:server.urls[0],-1!==url.indexOf("transport=udp")&&self.iceServers.push({username:server.username,credential:server.credential,urls:url})}}),this.transceivers=[],this._localIceCandidatesBuffer=[]},window.RTCPeerConnection.prototype._emitBufferedCandidates=function(){var self=this;this._localIceCandidatesBuffer.forEach(function(event){null!==self.onicecandidate&&self.onicecandidate(event)}),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._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);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={};event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate;cand&&0!==Object.keys(cand).length?(cand.component="RTCP"===iceTransport.component?2:1,event.candidate.candidate=SDPUtils.writeCandidate(cand)):(void 0===iceGatherer.state&&(iceGatherer.state="completed"),event.candidate.candidate="candidate:1 1 udp 1 0.0.0.0 9 typ endOfCandidates");var complete=self.transceivers.every(function(transceiver){return transceiver.iceGatherer&&"completed"===transceiver.iceGatherer.state});null!==self.onicecandidate&&(self.localDescription&&""===self.localDescription.type?(self._localIceCandidatesBuffer.push(event),complete&&self._localIceCandidatesBuffer.push({})):(self.onicecandidate(event),complete&&self.onicecandidate({})))},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=[{ssrc:transceiver.sendSsrc}],params.rtcp={cname:localCName,ssrc:transceiver.recvSsrc},transceiver.rtpSender.send(params)),recv&&transceiver.rtpReceiver&&(params.encodings=[{ssrc:transceiver.recvSsrc}],params.rtcp={cname:transceiver.cname,ssrc:transceiver.sendSsrc},transceiver.rtpReceiver.receive(params))},window.RTCPeerConnection.prototype.setLocalDescription=function(description){var self=this;if("offer"===description.type)this._pendingOffer&&(this.transceivers=this._pendingOffer,delete this._pendingOffer);else if("answer"===description.type){var sections=SDPUtils.splitSections(self.remoteDescription.sdp),sessionpart=sections.shift();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,rejected="0"===mediaSection.split("\n",1)[0].split(" ",2)[1];if(!rejected){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);iceTransport.start(iceGatherer,remoteIceParameters,"controlled");var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);dtlsTransport.start(remoteDtlsParameters);var params=self._getCommonCapabilities(localCapabilities,remoteCapabilities);self._transceive(transceiver,params.codecs.length>0,!1)}})}switch(this.localDescription=description,
+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(),self._emitBufferedCandidates()},0)}var p=Promise.resolve();return p.then(function(){hasCallback||window.setTimeout(self._emitBufferedCandidates.bind(self),0)}),p},window.RTCPeerConnection.prototype.setRemoteDescription=function(description){var self=this,stream=new MediaStream,sections=SDPUtils.splitSections(description.sdp),sessionpart=sections.shift();switch(sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver,iceGatherer,iceTransport,dtlsTransport,rtpSender,rtpReceiver,sendSsrc,recvSsrc,localCapabilities,remoteIceParameters,remoteDtlsParameters,lines=SDPUtils.splitLines(mediaSection),mline=lines[0].substr(2).split(" "),kind=mline[0],rejected="0"===mline[1],direction=SDPUtils.getDirection(mediaSection,sessionpart),remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);rejected||(remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart),remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart));var cname,mid=SDPUtils.matchPrefix(mediaSection,"a=mid:")[0].substr(6),remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return"cname"===obj.attribute})[0];if(remoteSsrc&&(recvSsrc=parseInt(remoteSsrc.ssrc,10),cname=remoteSsrc.value),"offer"===description.type){var transports=self._createIceAndDtlsTransports(mid,sdpMLineIndex);if(localCapabilities=RTCRtpReceiver.getCapabilities(kind),sendSsrc=1001*(2*sdpMLineIndex+2),rtpReceiver=new RTCRtpReceiver(transports.dtlsTransport,kind),stream.addTrack(rtpReceiver.track),self.localStreams.length>0&&self.localStreams[0].getTracks().length>=sdpMLineIndex){var localtrack=self.localStreams[0].getTracks()[sdpMLineIndex];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,sendSsrc:sendSsrc,recvSsrc:recvSsrc},self._transceive(self.transceivers[sdpMLineIndex],!1,"sendrecv"===direction||"sendonly"===direction)}else"answer"!==description.type||rejected||(transceiver=self.transceivers[sdpMLineIndex],iceGatherer=transceiver.iceGatherer,iceTransport=transceiver.iceTransport,dtlsTransport=transceiver.dtlsTransport,rtpSender=transceiver.rtpSender,rtpReceiver=transceiver.rtpReceiver,sendSsrc=transceiver.sendSsrc,localCapabilities=transceiver.localCapabilities,self.transceivers[sdpMLineIndex].recvSsrc=recvSsrc,self.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities,self.transceivers[sdpMLineIndex].cname=cname,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:stream.addTrack(rtpReceiver.track))}),this.remoteDescription=description,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 window.setTimeout(function(){null!==self.onaddstream&&stream.getTracks().length&&(self.remoteStreams.push(stream),window.setTimeout(function(){self.onaddstream({stream:stream})},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,null!==this.onsignalingstatechange&&this.onsignalingstatechange()},window.RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){null!==this.onnegotiationneeded&&this.onnegotiationneeded()},window.RTCPeerConnection.prototype._updateConnectionState=function(){var newState,self=this,states={"new":0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};this.transceivers.forEach(function(transceiver){states[transceiver.iceTransport.state]++,states[transceiver.dtlsTransport.state]++}),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.connecting>0||states.completed>0)&&(newState="connected"),newState!==self.iceConnectionState&&(self.iceConnectionState=newState,null!==this.oniceconnectionstatechange&&this.oniceconnectionstatechange())},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=generateIdentifier(),transports=self._createIceAndDtlsTransports(mid,sdpMLineIndex),localCapabilities=RTCRtpSender.getCapabilities(kind),sendSsrc=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,sendSsrc:sendSsrc,recvSsrc:null};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 answerOptions,self=this;1===arguments.length&&"function"!=typeof arguments[0]?answerOptions=arguments[0]:3===arguments.length&&(answerOptions=arguments[2]);var sdp=SDPUtils.writeSessionBoilerplate();this.transceivers.forEach(function(transceiver){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){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)return;if("1"!==cand.component)return;"endOfCandidates"===cand.type&&(cand={}),transceiver.iceTransport.addRemoteCandidate(cand)}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={};Promise.all(promises).then(function(res){res.forEach(function(result){Object.keys(result).forEach(function(id){results[id]=result[id]})}),cb&&window.setTimeout(cb,0,results),resolve(results)})})}}}else webrtcUtils.log("Browser does not appear to be WebRTC-capable");else webrtcUtils.log("This does not appear to be a browser"),webrtcDetectedBrowser="not a browser";var webrtcTesting={};try{Object.defineProperty(webrtcTesting,"version",{set:function(version){webrtcDetectedVersion=version}})}catch(e){}AdapterJS.parseWebrtcDetectedBrowser(),navigator.mozGetUserMedia?(MediaStreamTrack.getSources=function(successCb){setTimeout(function(){var infos=[{kind:"audio",id:"default",label:"",facing:""},{kind:"video",id:"default",label:"",facing:""}];successCb(infos)},0)},createIceServer=function(url,username,password){var iceServer=null,urlParts=url.split(":");if(0===urlParts[0].indexOf("stun"))iceServer={urls:[url]};else if(0===urlParts[0].indexOf("turn"))if(27>webrtcDetectedVersion){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&&(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+)$/)&&(getUserMedia=window.getUserMedia=navigator.getUserMedia.bind(navigator),attachMediaStream=function(element,stream){return element.srcObject=stream,element},reattachMediaStream=function(to,from){return to.srcObject=from.srcObject,to}),attachMediaStream_base=attachMediaStream,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=getUserMedia,AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,"undefined"==typeof Promise&&(requestUserMedia=null),AdapterJS.maybeThroughWebRTCReady()}else("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&&10>=webrtcDetectedVersion){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,installedCb,notInstalledCb){if(isIE){try{new ActiveXObject(comName+"."+plugName)}catch(e){return void notInstalledCb()}installedCb()}else{for(var pluginArray=navigator.plugins,i=0;i<pluginArray.length;i++)if(pluginArray[i].name.indexOf(plugName)>=0)return void installedCb();notInstalledCb()}},AdapterJS.WebRTCPlugin.defineWebRTCInterface=function(){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("undefined"!=typeof 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")}if(AdapterJS.WebRTCPlugin.WaitForPluginReady(),AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION&&AdapterJS.WebRTCPlugin.plugin.PEER_CONNECTION_VERSION>1)return AdapterJS.WebRTCPlugin.plugin.PeerConnection(servers);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)}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={},MediaStreamTrack.getSources=function(callback){AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.GetSources(callback)})},getUserMedia=function(constraints,successCallback,failureCallback){constraints.audio=constraints.audio||!1,constraints.video=constraints.video||!1,AdapterJS.WebRTCPlugin.callWhenPluginReady(function(){AdapterJS.WebRTCPlugin.plugin.getUserMedia(constraints,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="":("undefined"!=typeof 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}return null!==stream?attachMediaStream(to,stream):void 0},window.attachMediaStream=attachMediaStream,window.reattachMediaStream=reattachMediaStream,window.getUserMedia=getUserMedia,AdapterJS.attachMediaStream=attachMediaStream,AdapterJS.reattachMediaStream=reattachMediaStream,AdapterJS.getUserMedia=getUserMedia,AdapterJS.forwardEventHandlers=function(destElem,srcElem,prototype){properties=Object.getOwnPropertyNames(prototype);for(var prop in properties)prop&&(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,downloadLink)}else AdapterJS.renderNotificationBar(AdapterJS.TEXT.PLUGIN.NOT_SUPPORTED)}},AdapterJS.WebRTCPlugin.isPluginInstalled(AdapterJS.WebRTCPlugin.pluginInfo.prefix,AdapterJS.WebRTCPlugin.pluginInfo.plugName,AdapterJS.WebRTCPlugin.defineWebRTCInterface,AdapterJS.WebRTCPlugin.pluginNeededButNotInstalledCb);!function(){"use strict";var baseGetUserMedia=null;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"};var 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){["PermissionDeniedError","SecurityError"].indexOf(error.name)>-1&&"https:"===window.parent.location.protocol?AdapterJS.renderNotificationBar(AdapterJS.TEXT.EXTENSION.REQUIRE_INSTALLATION_FF,AdapterJS.TEXT.EXTENSION.BUTTON_FF,"https://addons.mozilla.org/en-US/firefox/addon/skylink-webrtc-tools/",!0,!0):failureCb(error)}))},1)}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)})}):window.navigator.webkitGetUserMedia?(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,event.data.data,!0,!0):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(){return AdapterJS.WebRTCPlugin.plugin.HasScreensharingFeature&&AdapterJS.WebRTCPlugin.plugin.isScreensharingAvailable?(updatedConstraints.video.optional=updatedConstraints.video.optional||[],updatedConstraints.video.optional.push({sourceId:AdapterJS.WebRTCPlugin.plugin.screensharingKey||"Screensharing"}),delete updatedConstraints.video.mediaSource,void baseGetUserMedia(updatedConstraints,successCb,failureCb)):void failureCb(new Error("Your version of the WebRTC plugin does not support screensharing"))})}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){return object=object||{},iframe.isLoaded?void iframe.contentWindow.postMessage(object,"*"):void setTimeout(function(){iframe.contentWindow.postMessage(object,"*")},100)}}else"opera"===window.webrtcDetectedBrowser}();
\ No newline at end of file
diff --git a/source/adapter.js b/source/adapter.js
index 4e865a4..46b8868 100644
--- a/source/adapter.js
+++ b/source/adapter.js
@@ -299,6 +299,7 @@ AdapterJS.renderNotificationBar = function (text, buttonText, buttonLink, openNe
 
   var w = window;
   var i = document.createElement('iframe');
+  i.name = 'adapterjs-alert';
   i.style.position = 'fixed';
   i.style.top = '-41px';
   i.style.left = 0;