diff options
| -rw-r--r-- | js/lib/adapter.min.js | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/js/lib/adapter.min.js b/js/lib/adapter.min.js index 409dc31..bc40ff3 100644 --- a/js/lib/adapter.min.js +++ b/js/lib/adapter.min.js @@ -1,2 +1,3 @@ -(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.adapter=f()}})(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){"use strict";var SDPUtils={};SDPUtils.generateIdentifier=function(){return Math.random().toString(36).substr(2,10)};SDPUtils.localCName=SDPUtils.generateIdentifier();SDPUtils.splitLines=function(blob){return blob.trim().split("\n").map(function(line){return line.trim()})};SDPUtils.splitSections=function(blob){var parts=blob.split("\nm=");return parts.map(function(part,index){return(index>0?"m="+part:part).trim()+"\r\n"})};SDPUtils.matchPrefix=function(blob,prefix){return SDPUtils.splitLines(blob).filter(function(line){return line.indexOf(prefix)===0})};SDPUtils.parseCandidate=function(line){var parts;if(line.indexOf("a=candidate:")===0){parts=line.substring(12).split(" ")}else{parts=line.substring(10).split(" ")}var candidate={foundation:parts[0],component:parts[1],protocol:parts[2].toLowerCase(),priority:parseInt(parts[3],10),ip:parts[4],port:parseInt(parts[5],10),type:parts[7]};for(var i=8;i<parts.length;i+=2){switch(parts[i]){case"raddr":candidate.relatedAddress=parts[i+1];break;case"rport":candidate.relatedPort=parseInt(parts[i+1],10);break;case"tcptype":candidate.tcpType=parts[i+1];break;default:break}}return candidate};SDPUtils.writeCandidate=function(candidate){var sdp=[];sdp.push(candidate.foundation);sdp.push(candidate.component);sdp.push(candidate.protocol.toUpperCase());sdp.push(candidate.priority);sdp.push(candidate.ip);sdp.push(candidate.port);var type=candidate.type;sdp.push("typ");sdp.push(type);if(type!=="host"&&candidate.relatedAddress&&candidate.relatedPort){sdp.push("raddr");sdp.push(candidate.relatedAddress);sdp.push("rport");sdp.push(candidate.relatedPort)}if(candidate.tcpType&&candidate.protocol.toLowerCase()==="tcp"){sdp.push("tcptype");sdp.push(candidate.tcpType)}return"candidate:"+sdp.join(" ")};SDPUtils.parseRtpMap=function(line){var parts=line.substr(9).split(" ");var parsed={payloadType:parseInt(parts.shift(),10)};parts=parts[0].split("/");parsed.name=parts[0];parsed.clockRate=parseInt(parts[1],10);parsed.numChannels=parts.length===3?parseInt(parts[2],10):1;return parsed};SDPUtils.writeRtpMap=function(codec){var pt=codec.payloadType;if(codec.preferredPayloadType!==undefined){pt=codec.preferredPayloadType}return"a=rtpmap:"+pt+" "+codec.name+"/"+codec.clockRate+(codec.numChannels!==1?"/"+codec.numChannels:"")+"\r\n"};SDPUtils.parseExtmap=function(line){var parts=line.substr(9).split(" ");return{id:parseInt(parts[0],10),uri:parts[1]}};SDPUtils.writeExtmap=function(headerExtension){return"a=extmap:"+(headerExtension.id||headerExtension.preferredId)+" "+headerExtension.uri+"\r\n"};SDPUtils.parseFmtp=function(line){var parsed={};var kv;var parts=line.substr(line.indexOf(" ")+1).split(";");for(var j=0;j<parts.length;j++){kv=parts[j].trim().split("=");parsed[kv[0].trim()]=kv[1]}return parsed};SDPUtils.writeFmtp=function(codec){var line="";var pt=codec.payloadType;if(codec.preferredPayloadType!==undefined){pt=codec.preferredPayloadType}if(codec.parameters&&Object.keys(codec.parameters).length){var params=[];Object.keys(codec.parameters).forEach(function(param){params.push(param+"="+codec.parameters[param])});line+="a=fmtp:"+pt+" "+params.join(";")+"\r\n"}return line};SDPUtils.parseRtcpFb=function(line){var parts=line.substr(line.indexOf(" ")+1).split(" ");return{type:parts.shift(),parameter:parts.join(" ")}};SDPUtils.writeRtcpFb=function(codec){var lines="";var pt=codec.payloadType;if(codec.preferredPayloadType!==undefined){pt=codec.preferredPayloadType}if(codec.rtcpFeedback&&codec.rtcpFeedback.length){codec.rtcpFeedback.forEach(function(fb){lines+="a=rtcp-fb:"+pt+" "+fb.type+(fb.parameter&&fb.parameter.length?" "+fb.parameter:"")+"\r\n"})}return lines};SDPUtils.parseSsrcMedia=function(line){var sp=line.indexOf(" ");var parts={ssrc:parseInt(line.substr(7,sp-7),10)};var colon=line.indexOf(":",sp);if(colon>-1){parts.attribute=line.substr(sp+1,colon-sp-1);parts.value=line.substr(colon+1)}else{parts.attribute=line.substr(sp+1)}return parts};SDPUtils.getDtlsParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);lines=lines.concat(SDPUtils.splitLines(sessionpart));var fpLine=lines.filter(function(line){return line.indexOf("a=fingerprint:")===0})[0].substr(14);var 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";params.fingerprints.forEach(function(fp){sdp+="a=fingerprint:"+fp.algorithm+" "+fp.value+"\r\n"});return sdp};SDPUtils.getIceParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);lines=lines.concat(SDPUtils.splitLines(sessionpart));var iceParameters={usernameFragment:lines.filter(function(line){return line.indexOf("a=ice-ufrag:")===0})[0].substr(12),password:lines.filter(function(line){return line.indexOf("a=ice-pwd:")===0})[0].substr(10)};return iceParameters};SDPUtils.writeIceParameters=function(params){return"a=ice-ufrag:"+params.usernameFragment+"\r\n"+"a=ice-pwd:"+params.password+"\r\n"};SDPUtils.parseRtpParameters=function(mediaSection){var description={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]};var lines=SDPUtils.splitLines(mediaSection);var mline=lines[0].split(" ");for(var i=3;i<mline.length;i++){var pt=mline[i];var rtpmapline=SDPUtils.matchPrefix(mediaSection,"a=rtpmap:"+pt+" ")[0];if(rtpmapline){var codec=SDPUtils.parseRtpMap(rtpmapline);var fmtps=SDPUtils.matchPrefix(mediaSection,"a=fmtp:"+pt+" ");codec.parameters=fmtps.length?SDPUtils.parseFmtp(fmtps[0]):{};codec.rtcpFeedback=SDPUtils.matchPrefix(mediaSection,"a=rtcp-fb:"+pt+" ").map(SDPUtils.parseRtcpFb);description.codecs.push(codec);switch(codec.name.toUpperCase()){case"RED":case"ULPFEC":description.fecMechanisms.push(codec.name.toUpperCase());break;default:break}}}SDPUtils.matchPrefix(mediaSection,"a=extmap:").forEach(function(line){description.headerExtensions.push(SDPUtils.parseExtmap(line))});return description};SDPUtils.writeRtpDescription=function(kind,caps){var sdp="";sdp+="m="+kind+" ";sdp+=caps.codecs.length>0?"9":"0";sdp+=" UDP/TLS/RTP/SAVPF ";sdp+=caps.codecs.map(function(codec){if(codec.preferredPayloadType!==undefined){return codec.preferredPayloadType}return codec.payloadType}).join(" ")+"\r\n";sdp+="c=IN IP4 0.0.0.0\r\n";sdp+="a=rtcp:9 IN IP4 0.0.0.0\r\n";caps.codecs.forEach(function(codec){sdp+=SDPUtils.writeRtpMap(codec);sdp+=SDPUtils.writeFmtp(codec);sdp+=SDPUtils.writeRtcpFb(codec)});var maxptime=0;caps.codecs.forEach(function(codec){if(codec.maxptime>maxptime){maxptime=codec.maxptime}});if(maxptime>0){sdp+="a=maxptime:"+maxptime+"\r\n"}sdp+="a=rtcp-mux\r\n";caps.headerExtensions.forEach(function(extension){sdp+=SDPUtils.writeExtmap(extension)});return sdp};SDPUtils.parseRtpEncodingParameters=function(mediaSection){var encodingParameters=[];var description=SDPUtils.parseRtpParameters(mediaSection);var hasRed=description.fecMechanisms.indexOf("RED")!==-1;var hasUlpfec=description.fecMechanisms.indexOf("ULPFEC")!==-1;var ssrcs=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(parts){return parts.attribute==="cname"});var primarySsrc=ssrcs.length>0&&ssrcs[0].ssrc;var secondarySsrc;var flows=SDPUtils.matchPrefix(mediaSection,"a=ssrc-group:FID").map(function(line){var parts=line.split(" ");parts.shift();return parts.map(function(part){return parseInt(part,10)})});if(flows.length>0&&flows[0].length>1&&flows[0][0]===primarySsrc){secondarySsrc=flows[0][1]}description.codecs.forEach(function(codec){if(codec.name.toUpperCase()==="RTX"&&codec.parameters.apt){var encParam={ssrc:primarySsrc,codecPayloadType:parseInt(codec.parameters.apt,10),rtx:{ssrc:secondarySsrc}};encodingParameters.push(encParam);if(hasRed){encParam=JSON.parse(JSON.stringify(encParam));encParam.fec={ssrc:secondarySsrc,mechanism:hasUlpfec?"red+ulpfec":"red"};encodingParameters.push(encParam)}}});if(encodingParameters.length===0&&primarySsrc){encodingParameters.push({ssrc:primarySsrc})}var bandwidth=SDPUtils.matchPrefix(mediaSection,"b=");if(bandwidth.length){if(bandwidth[0].indexOf("b=TIAS:")===0){bandwidth=parseInt(bandwidth[0].substr(7),10)}else if(bandwidth[0].indexOf("b=AS:")===0){bandwidth=parseInt(bandwidth[0].substr(5),10)}encodingParameters.forEach(function(params){params.maxBitrate=bandwidth})}return encodingParameters};SDPUtils.parseRtcpParameters=function(mediaSection){var rtcpParameters={};var cname;var remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return obj.attribute==="cname"})[0];if(remoteSsrc){rtcpParameters.cname=remoteSsrc.value;rtcpParameters.ssrc=remoteSsrc.ssrc}var rsize=SDPUtils.matchPrefix(mediaSection,"a=rtcp-rsize");rtcpParameters.reducedSize=rsize.length>0;rtcpParameters.compound=rsize.length===0;var mux=SDPUtils.matchPrefix(mediaSection,"a=rtcp-mux");rtcpParameters.mux=mux.length>0;return rtcpParameters};SDPUtils.parseMsid=function(mediaSection){var parts;var spec=SDPUtils.matchPrefix(mediaSection,"a=msid:");if(spec.length===1){parts=spec[0].substr(7).split(" ");return{stream:parts[0],track:parts[1]}}var planB=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(parts){return parts.attribute==="msid"});if(planB.length>0){parts=planB[0].value.split(" ");return{stream:parts[0],track:parts[1]}}};SDPUtils.writeSessionBoilerplate=function(){return"v=0\r\n"+"o=thisisadapterortc 8169639915646943137 2 IN IP4 127.0.0.1\r\n"+"s=-\r\n"+"t=0 0\r\n"};SDPUtils.writeMediaSection=function(transceiver,caps,type,stream){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters());sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),type==="offer"?"actpass":"active");sdp+="a=mid:"+transceiver.mid+"\r\n";if(transceiver.rtpSender&&transceiver.rtpReceiver){sdp+="a=sendrecv\r\n"}else if(transceiver.rtpSender){sdp+="a=sendonly\r\n"}else if(transceiver.rtpReceiver){sdp+="a=recvonly\r\n"}else{sdp+="a=inactive\r\n"}if(transceiver.rtpSender){var msid="msid:"+stream.id+" "+transceiver.rtpSender.track.id+"\r\n";sdp+="a="+msid;sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" "+msid;if(transceiver.sendEncodingParameters[0].rtx){sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" "+msid;sdp+="a=ssrc-group:FID "+transceiver.sendEncodingParameters[0].ssrc+" "+transceiver.sendEncodingParameters[0].rtx.ssrc+"\r\n"}}sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" cname:"+SDPUtils.localCName+"\r\n";if(transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx){sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" cname:"+SDPUtils.localCName+"\r\n"}return sdp};SDPUtils.getDirection=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);for(var i=0;i<lines.length;i++){switch(lines[i]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return lines[i].substr(2);default:}}if(sessionpart){return SDPUtils.getDirection(sessionpart)}return"sendrecv"};SDPUtils.getKind=function(mediaSection){var lines=SDPUtils.splitLines(mediaSection);var mline=lines[0].split(" ");return mline[0].substr(2)};SDPUtils.isRejected=function(mediaSection){return mediaSection.split(" ",2)[1]==="0"};module.exports=SDPUtils},{}],2:[function(require,module,exports){"use strict";(function(){var utils=require("./utils");var logging=utils.log;var browserDetails=utils.browserDetails;module.exports.browserDetails=browserDetails;module.exports.extractVersion=utils.extractVersion;module.exports.disableLog=utils.disableLog;var chromeShim=require("./chrome/chrome_shim")||null;var edgeShim=require("./edge/edge_shim")||null;var firefoxShim=require("./firefox/firefox_shim")||null;var safariShim=require("./safari/safari_shim")||null;switch(browserDetails.browser){case"chrome":if(!chromeShim||!chromeShim.shimPeerConnection){logging("Chrome shim is not included in this adapter release.");return}logging("adapter.js shimming chrome.");module.exports.browserShim=chromeShim;chromeShim.shimGetUserMedia();chromeShim.shimMediaStream();utils.shimCreateObjectURL();chromeShim.shimSourceObject();chromeShim.shimPeerConnection();chromeShim.shimOnTrack();chromeShim.shimGetSendersWithDtmf();break;case"firefox":if(!firefoxShim||!firefoxShim.shimPeerConnection){logging("Firefox shim is not included in this adapter release.");return}logging("adapter.js shimming firefox.");module.exports.browserShim=firefoxShim;firefoxShim.shimGetUserMedia();utils.shimCreateObjectURL();firefoxShim.shimSourceObject();firefoxShim.shimPeerConnection();firefoxShim.shimOnTrack();break;case"edge":if(!edgeShim||!edgeShim.shimPeerConnection){logging("MS edge shim is not included in this adapter release.");return}logging("adapter.js shimming edge.");module.exports.browserShim=edgeShim;edgeShim.shimGetUserMedia();utils.shimCreateObjectURL();edgeShim.shimPeerConnection();break;case"safari":if(!safariShim){logging("Safari shim is not included in this adapter release.");return}logging("adapter.js shimming safari.");module.exports.browserShim=safariShim;safariShim.shimGetUserMedia();break;default:logging("Unsupported browser!")}})()},{"./chrome/chrome_shim":3,"./edge/edge_shim":5,"./firefox/firefox_shim":7,"./safari/safari_shim":9,"./utils":10}],3:[function(require,module,exports){"use strict";var logging=require("../utils.js").log;var browserDetails=require("../utils.js").browserDetails;var chromeShim={shimMediaStream:function(){window.MediaStream=window.MediaStream||window.webkitMediaStream},shimOnTrack:function(){if(typeof window==="object"&&window.RTCPeerConnection&&!("ontrack"in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(f){var self=this;if(this._ontrack){this.removeEventListener("track",this._ontrack);this.removeEventListener("addstream",this._ontrackpoly)}this.addEventListener("track",this._ontrack=f);this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.addEventListener("addtrack",function(te){var event=new Event("track");event.track=te.track;event.receiver={track:te.track};event.streams=[e.stream];self.dispatchEvent(event)});e.stream.getTracks().forEach(function(track){var event=new Event("track");event.track=track;event.receiver={track:track};event.streams=[e.stream];this.dispatchEvent(event)}.bind(this))}.bind(this))}})}},shimGetSendersWithDtmf:function(){if(typeof window==="object"&&window.RTCPeerConnection&&!("getSenders"in RTCPeerConnection.prototype)&&"createDTMFSender"in RTCPeerConnection.prototype){RTCPeerConnection.prototype.getSenders=function(){return this._senders};var origAddStream=RTCPeerConnection.prototype.addStream;var origRemoveStream=RTCPeerConnection.prototype.removeStream;RTCPeerConnection.prototype.addStream=function(stream){var pc=this;pc._senders=pc._senders||[];origAddStream.apply(pc,[stream]);stream.getTracks().forEach(function(track){pc._senders.push({track:track,get dtmf(){if(this._dtmf===undefined){if(track.kind==="audio"){this._dtmf=pc.createDTMFSender(track)}else{this._dtmf=null}}return this._dtmf}})})};RTCPeerConnection.prototype.removeStream=function(stream){var pc=this;pc._senders=pc._senders||[];origRemoveStream.apply(pc,[stream]);stream.getTracks().forEach(function(track){var sender=pc._senders.find(function(s){return s.track===track});if(sender){pc._senders.splice(pc._senders.indexOf(sender),1)}})}}},shimSourceObject:function(){if(typeof window==="object"){if(window.HTMLMediaElement&&!("srcObject"in window.HTMLMediaElement.prototype)){Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this._srcObject},set:function(stream){var self=this;this._srcObject=stream;if(this.src){URL.revokeObjectURL(this.src)}if(!stream){this.src="";return undefined}this.src=URL.createObjectURL(stream);stream.addEventListener("addtrack",function(){if(self.src){URL.revokeObjectURL(self.src)}self.src=URL.createObjectURL(stream)});stream.addEventListener("removetrack",function(){if(self.src){URL.revokeObjectURL(self.src)}self.src=URL.createObjectURL(stream)})}})}}},shimPeerConnection:function(){if(!window.RTCPeerConnection){window.RTCPeerConnection=function(pcConfig,pcConstraints){logging("PeerConnection");if(pcConfig&&pcConfig.iceTransportPolicy){pcConfig.iceTransports=pcConfig.iceTransportPolicy}return new webkitRTCPeerConnection(pcConfig,pcConstraints)};window.RTCPeerConnection.prototype=webkitRTCPeerConnection.prototype;if(webkitRTCPeerConnection.generateCertificate){Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return webkitRTCPeerConnection.generateCertificate}})}}var origGetStats=RTCPeerConnection.prototype.getStats;RTCPeerConnection.prototype.getStats=function(selector,successCallback,errorCallback){var self=this;var args=arguments;if(arguments.length>0&&typeof selector==="function"){return origGetStats.apply(this,arguments)}if(origGetStats.length===0&&(arguments.length===0||typeof arguments[0]!=="function")){return origGetStats.apply(this,[])}var fixChromeStats_=function(response){var standardReport={};var reports=response.result();reports.forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[report.type]||report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name)});standardReport[standardStats.id]=standardStats});return standardReport};var makeMapStats=function(stats){return new Map(Object.keys(stats).map(function(key){return[key,stats[key]]}))};if(arguments.length>=2){var successCallbackWrapper_=function(response){args[1](makeMapStats(fixChromeStats_(response)))};return origGetStats.apply(this,[successCallbackWrapper_,arguments[0]])}return new Promise(function(resolve,reject){origGetStats.apply(self,[function(response){resolve(makeMapStats(fixChromeStats_(response)))},reject])}).then(successCallback,errorCallback)};if(browserDetails.version<51){["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;var self=this;var promise=new Promise(function(resolve,reject){nativeMethod.apply(self,[args[0],resolve,reject])});if(args.length<2){return promise}return promise.then(function(){args[1].apply(null,[])},function(err){if(args.length>=3){args[2].apply(null,[err])}})}})}if(browserDetails.version<52){["createOffer","createAnswer"].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var self=this;if(arguments.length<1||arguments.length===1&&typeof arguments[0]==="object"){var opts=arguments.length===1?arguments[0]:undefined;return new Promise(function(resolve,reject){nativeMethod.apply(self,[resolve,reject,opts])})}return nativeMethod.apply(this,arguments)}})}["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){arguments[0]=new(method==="addIceCandidate"?RTCIceCandidate:RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments)}});var nativeAddIceCandidate=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null)}return Promise.resolve()}return nativeAddIceCandidate.apply(this,arguments)}}};module.exports={shimMediaStream:chromeShim.shimMediaStream,shimOnTrack:chromeShim.shimOnTrack,shimGetSendersWithDtmf:chromeShim.shimGetSendersWithDtmf,shimSourceObject:chromeShim.shimSourceObject,shimPeerConnection:chromeShim.shimPeerConnection,shimGetUserMedia:require("./getusermedia")}},{"../utils.js":10,"./getusermedia":4}],4:[function(require,module,exports){"use strict";var logging=require("../utils.js").log;var browserDetails=require("../utils.js").browserDetails;module.exports=function(){var constraintsToChrome_=function(c){if(typeof c!=="object"||c.mandatory||c.optional){return c}var cc={};Object.keys(c).forEach(function(key){if(key==="require"||key==="advanced"||key==="mediaSource"){return}var r=typeof c[key]==="object"?c[key]:{ideal:c[key]};if(r.exact!==undefined&&typeof r.exact==="number"){r.min=r.max=r.exact}var oldname_=function(prefix,name){if(prefix){return prefix+name.charAt(0).toUpperCase()+name.slice(1)}return name==="deviceId"?"sourceId":name};if(r.ideal!==undefined){cc.optional=cc.optional||[];var oc={};if(typeof r.ideal==="number"){oc[oldname_("min",key)]=r.ideal;cc.optional.push(oc);oc={};oc[oldname_("max",key)]=r.ideal;cc.optional.push(oc)}else{oc[oldname_("",key)]=r.ideal;cc.optional.push(oc)}}if(r.exact!==undefined&&typeof r.exact!=="number"){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_("",key)]=r.exact}else{["min","max"].forEach(function(mix){if(r[mix]!==undefined){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_(mix,key)]=r[mix]}})}});if(c.advanced){cc.optional=(cc.optional||[]).concat(c.advanced)}return cc};var shimConstraints_=function(constraints,func){constraints=JSON.parse(JSON.stringify(constraints));if(constraints&&constraints.audio){constraints.audio=constraintsToChrome_(constraints.audio)}if(constraints&&typeof constraints.video==="object"){var face=constraints.video.facingMode;face=face&&(typeof face==="object"?face:{ideal:face});var getSupportedFacingModeLies=browserDetails.version<59;if(face&&(face.exact==="user"||face.exact==="environment"||face.ideal==="user"||face.ideal==="environment")&&!(navigator.mediaDevices.getSupportedConstraints&&navigator.mediaDevices.getSupportedConstraints().facingMode&&!getSupportedFacingModeLies)){delete constraints.video.facingMode;if(face.exact==="environment"||face.ideal==="environment"){return navigator.mediaDevices.enumerateDevices().then(function(devices){devices=devices.filter(function(d){return d.kind==="videoinput"});var back=devices.find(function(d){return d.label.toLowerCase().indexOf("back")!==-1})||devices.length&&devices[devices.length-1];if(back){constraints.video.deviceId=face.exact?{exact:back.deviceId}:{ideal:back.deviceId}}constraints.video=constraintsToChrome_(constraints.video);logging("chrome: "+JSON.stringify(constraints));return func(constraints)})}}constraints.video=constraintsToChrome_(constraints.video)}logging("chrome: "+JSON.stringify(constraints));return func(constraints)};var shimError_=function(e){return{name:{PermissionDeniedError:"NotAllowedError",ConstraintNotSatisfiedError:"OverconstrainedError"}[e.name]||e.name,message:e.message,constraint:e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}};var getUserMedia_=function(constraints,onSuccess,onError){shimConstraints_(constraints,function(c){navigator.webkitGetUserMedia(c,onSuccess,function(e){onError(shimError_(e))})})};navigator.getUserMedia=getUserMedia_;var getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){navigator.getUserMedia(constraints,resolve,reject)})};if(!navigator.mediaDevices){navigator.mediaDevices={getUserMedia:getUserMediaPromise_,enumerateDevices:function(){return new Promise(function(resolve){var kinds={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(devices){resolve(devices.map(function(device){return{label:device.label,kind:kinds[device.kind],deviceId:device.id,groupId:""}}))})})},getSupportedConstraints:function(){return{deviceId:true,echoCancellation:true,facingMode:true,frameRate:true,height:true,width:true}}}}if(!navigator.mediaDevices.getUserMedia){navigator.mediaDevices.getUserMedia=function(constraints){return getUserMediaPromise_(constraints)}}else{var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(cs){return shimConstraints_(cs,function(c){return origGetUserMedia(c).then(function(stream){if(c.audio&&!stream.getAudioTracks().length||c.video&&!stream.getVideoTracks().length){stream.getTracks().forEach(function(track){track.stop()});throw new DOMException("","NotFoundError")}return stream},function(e){return Promise.reject(shimError_(e))})})}}if(typeof navigator.mediaDevices.addEventListener==="undefined"){navigator.mediaDevices.addEventListener=function(){logging("Dummy mediaDevices.addEventListener called.")}}if(typeof navigator.mediaDevices.removeEventListener==="undefined"){navigator.mediaDevices.removeEventListener=function(){logging("Dummy mediaDevices.removeEventListener called.")}}}},{"../utils.js":10}],5:[function(require,module,exports){"use strict";var SDPUtils=require("sdp");var browserDetails=require("../utils").browserDetails;function sortTracks(tracks){var audioTracks=tracks.filter(function(track){return track.kind==="audio"});var videoTracks=tracks.filter(function(track){return track.kind==="video"});tracks=[];while(audioTracks.length||videoTracks.length){if(audioTracks.length){tracks.push(audioTracks.shift())}if(videoTracks.length){tracks.push(videoTracks.shift())}}return tracks}function filterIceServers(iceServers){var hasTurn=false;iceServers=JSON.parse(JSON.stringify(iceServers));return iceServers.filter(function(server){if(server&&(server.urls||server.url)){var urls=server.urls||server.url;var isString=typeof urls==="string";if(isString){urls=[urls]}urls=urls.filter(function(url){var validTurn=url.indexOf("turn:")===0&&url.indexOf("transport=udp")!==-1&&url.indexOf("turn:[")===-1&&!hasTurn;if(validTurn){hasTurn=true;return true}return url.indexOf("stun:")===0&&browserDetails.version>=14393});delete server.url;server.urls=isString?urls[0]:urls;return!!urls.length}return false})}var edgeShim={shimPeerConnection:function(){if(window.RTCIceGatherer){if(!window.RTCIceCandidate){window.RTCIceCandidate=function(args){return args}}if(!window.RTCSessionDescription){window.RTCSessionDescription=function(args){return args}}if(browserDetails.version<15025){var origMSTEnabled=Object.getOwnPropertyDescriptor(MediaStreamTrack.prototype,"enabled");Object.defineProperty(MediaStreamTrack.prototype,"enabled",{set:function(value){origMSTEnabled.set.call(this,value);var ev=new Event("enabled");ev.enabled=value;this.dispatchEvent(ev)}})}}window.RTCPeerConnection=function(config){var self=this;var _eventTarget=document.createDocumentFragment();["addEventListener","removeEventListener","dispatchEvent"].forEach(function(method){self[method]=_eventTarget[method].bind(_eventTarget)});this.onicecandidate=null;this.onaddstream=null;this.ontrack=null;this.onremovestream=null;this.onsignalingstatechange=null;this.oniceconnectionstatechange=null;this.onicegatheringstatechange=null;this.onnegotiationneeded=null;this.ondatachannel=null;this.localStreams=[];this.remoteStreams=[];this.getLocalStreams=function(){return self.localStreams};this.getRemoteStreams=function(){return self.remoteStreams};this.localDescription=new RTCSessionDescription({type:"",sdp:""});this.remoteDescription=new RTCSessionDescription({type:"",sdp:""});this.signalingState="stable";this.iceConnectionState="new";this.iceGatheringState="new";this.iceOptions={gatherPolicy:"all",iceServers:[]};if(config&&config.iceTransportPolicy){switch(config.iceTransportPolicy){case"all":case"relay":this.iceOptions.gatherPolicy=config.iceTransportPolicy;break;default:break}}this.usingBundle=config&&config.bundlePolicy==="max-bundle";if(config&&config.iceServers){this.iceOptions.iceServers=filterIceServers(config.iceServers)}this._config=config;this.transceivers=[];this._localIceCandidatesBuffer=[]};window.RTCPeerConnection.prototype._emitGatheringStateChange=function(){var event=new Event("icegatheringstatechange");this.dispatchEvent(event);if(this.onicegatheringstatechange!==null){this.onicegatheringstatechange(event)}};window.RTCPeerConnection.prototype._emitBufferedCandidates=function(){var self=this;var sections=SDPUtils.splitSections(self.localDescription.sdp);this._localIceCandidatesBuffer.forEach(function(event){var end=!event.candidate||Object.keys(event.candidate).length===0;if(end){for(var j=1;j<sections.length;j++){if(sections[j].indexOf("\r\na=end-of-candidates\r\n")===-1){sections[j]+="a=end-of-candidates\r\n"}}}else{sections[event.candidate.sdpMLineIndex+1]+="a="+event.candidate.candidate+"\r\n"}self.localDescription.sdp=sections.join("");self.dispatchEvent(event);if(self.onicecandidate!==null){self.onicecandidate(event)}if(!event.candidate&&self.iceGatheringState!=="complete"){var complete=self.transceivers.every(function(transceiver){return transceiver.iceGatherer&&transceiver.iceGatherer.state==="completed"});if(complete&&self.iceGatheringStateChange!=="complete"){self.iceGatheringState="complete";self._emitGatheringStateChange()}}});this._localIceCandidatesBuffer=[]};window.RTCPeerConnection.prototype.getConfiguration=function(){return this._config};window.RTCPeerConnection.prototype.addStream=function(stream){if(browserDetails.version>=15025){this.localStreams.push(stream)}else{var clonedStream=stream.clone();stream.getTracks().forEach(function(track,idx){var clonedTrack=clonedStream.getTracks()[idx];track.addEventListener("enabled",function(event){clonedTrack.enabled=event.enabled})});this.localStreams.push(clonedStream)}this._maybeFireNegotiationNeeded()};window.RTCPeerConnection.prototype.removeStream=function(stream){var idx=this.localStreams.indexOf(stream);if(idx>-1){this.localStreams.splice(idx,1);this._maybeFireNegotiationNeeded()}};window.RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpSender}).map(function(transceiver){return transceiver.rtpSender})};window.RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpReceiver}).map(function(transceiver){return transceiver.rtpReceiver})};window.RTCPeerConnection.prototype._getCommonCapabilities=function(localCapabilities,remoteCapabilities){var commonCapabilities={codecs:[],headerExtensions:[],fecMechanisms:[]};var findCodecByPayloadType=function(pt,codecs){pt=parseInt(pt,10);for(var i=0;i<codecs.length;i++){if(codecs[i].payloadType===pt||codecs[i].preferredPayloadType===pt){return codecs[i]}}};var rtxCapabilityMatches=function(lRtx,rRtx,lCodecs,rCodecs){var lCodec=findCodecByPayloadType(lRtx.parameters.apt,lCodecs);var rCodec=findCodecByPayloadType(rRtx.parameters.apt,rCodecs);return lCodec&&rCodec&&lCodec.name.toLowerCase()===rCodec.name.toLowerCase()};localCapabilities.codecs.forEach(function(lCodec){for(var i=0;i<remoteCapabilities.codecs.length;i++){var rCodec=remoteCapabilities.codecs[i];if(lCodec.name.toLowerCase()===rCodec.name.toLowerCase()&&lCodec.clockRate===rCodec.clockRate){if(lCodec.name.toLowerCase()==="rtx"&&lCodec.parameters&&rCodec.parameters.apt){if(!rtxCapabilityMatches(lCodec,rCodec,localCapabilities.codecs,remoteCapabilities.codecs)){continue}} -rCodec=JSON.parse(JSON.stringify(rCodec));rCodec.numChannels=Math.min(lCodec.numChannels,rCodec.numChannels);commonCapabilities.codecs.push(rCodec);rCodec.rtcpFeedback=rCodec.rtcpFeedback.filter(function(fb){for(var j=0;j<lCodec.rtcpFeedback.length;j++){if(lCodec.rtcpFeedback[j].type===fb.type&&lCodec.rtcpFeedback[j].parameter===fb.parameter){return true}}return false});break}}});localCapabilities.headerExtensions.forEach(function(lHeaderExtension){for(var i=0;i<remoteCapabilities.headerExtensions.length;i++){var rHeaderExtension=remoteCapabilities.headerExtensions[i];if(lHeaderExtension.uri===rHeaderExtension.uri){commonCapabilities.headerExtensions.push(rHeaderExtension);break}}});return commonCapabilities};window.RTCPeerConnection.prototype._createIceAndDtlsTransports=function(mid,sdpMLineIndex){var self=this;var iceGatherer=new RTCIceGatherer(self.iceOptions);var iceTransport=new RTCIceTransport(iceGatherer);iceGatherer.onlocalcandidate=function(evt){var event=new Event("icecandidate");event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate;var end=!cand||Object.keys(cand).length===0;if(end){if(iceGatherer.state===undefined){iceGatherer.state="completed"}}else{cand.component=iceTransport.component==="RTCP"?2:1;event.candidate.candidate=SDPUtils.writeCandidate(cand)}var sections=SDPUtils.splitSections(self.localDescription.sdp);if(!end){sections[event.candidate.sdpMLineIndex+1]+="a="+event.candidate.candidate+"\r\n"}else{sections[event.candidate.sdpMLineIndex+1]+="a=end-of-candidates\r\n"}self.localDescription.sdp=sections.join("");var transceivers=self._pendingOffer?self._pendingOffer:self.transceivers;var complete=transceivers.every(function(transceiver){return transceiver.iceGatherer&&transceiver.iceGatherer.state==="completed"});switch(self.iceGatheringState){case"new":if(!end){self._localIceCandidatesBuffer.push(event)}if(end&&complete){self._localIceCandidatesBuffer.push(new Event("icecandidate"))}break;case"gathering":self._emitBufferedCandidates();if(!end){self.dispatchEvent(event);if(self.onicecandidate!==null){self.onicecandidate(event)}}if(complete){self.dispatchEvent(new Event("icecandidate"));if(self.onicecandidate!==null){self.onicecandidate(new Event("icecandidate"))}self.iceGatheringState="complete";self._emitGatheringStateChange()}break;case"complete":break;default:break}};iceTransport.onicestatechange=function(){self._updateConnectionState()};var dtlsTransport=new RTCDtlsTransport(iceTransport);dtlsTransport.ondtlsstatechange=function(){self._updateConnectionState()};dtlsTransport.onerror=function(){dtlsTransport.state="failed";self._updateConnectionState()};return{iceGatherer:iceGatherer,iceTransport:iceTransport,dtlsTransport:dtlsTransport}};window.RTCPeerConnection.prototype._transceive=function(transceiver,send,recv){var params=this._getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);if(send&&transceiver.rtpSender){params.encodings=transceiver.sendEncodingParameters;params.rtcp={cname:SDPUtils.localCName};if(transceiver.recvEncodingParameters.length){params.rtcp.ssrc=transceiver.recvEncodingParameters[0].ssrc}transceiver.rtpSender.send(params)}if(recv&&transceiver.rtpReceiver){if(transceiver.kind==="video"&&transceiver.recvEncodingParameters&&browserDetails.version<15019){transceiver.recvEncodingParameters.forEach(function(p){delete p.rtx})}params.encodings=transceiver.recvEncodingParameters;params.rtcp={cname:transceiver.cname};if(transceiver.sendEncodingParameters.length){params.rtcp.ssrc=transceiver.sendEncodingParameters[0].ssrc}transceiver.rtpReceiver.receive(params)}};window.RTCPeerConnection.prototype.setLocalDescription=function(description){var self=this;var sections;var sessionpart;if(description.type==="offer"){if(this._pendingOffer){sections=SDPUtils.splitSections(description.sdp);sessionpart=sections.shift();sections.forEach(function(mediaSection,sdpMLineIndex){var caps=SDPUtils.parseRtpParameters(mediaSection);self._pendingOffer[sdpMLineIndex].localCapabilities=caps});this.transceivers=this._pendingOffer;delete this._pendingOffer}}else if(description.type==="answer"){sections=SDPUtils.splitSections(self.remoteDescription.sdp);sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,"a=ice-lite").length>0;sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver=self.transceivers[sdpMLineIndex];var iceGatherer=transceiver.iceGatherer;var iceTransport=transceiver.iceTransport;var dtlsTransport=transceiver.dtlsTransport;var localCapabilities=transceiver.localCapabilities;var remoteCapabilities=transceiver.remoteCapabilities;var rejected=mediaSection.split("\n",1)[0].split(" ",2)[1]==="0";if(!rejected&&!transceiver.isDatachannel){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);if(isIceLite){remoteDtlsParameters.role="server"}if(!self.usingBundle||sdpMLineIndex===0){iceTransport.start(iceGatherer,remoteIceParameters,isIceLite?"controlling":"controlled");dtlsTransport.start(remoteDtlsParameters)}var params=self._getCommonCapabilities(localCapabilities,remoteCapabilities);self._transceive(transceiver,params.codecs.length>0,false)}})}this.localDescription={type:description.type,sdp:description.sdp};switch(description.type){case"offer":this._updateSignalingState("have-local-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+description.type+'"')}var hasCallback=arguments.length>1&&typeof arguments[1]==="function";if(hasCallback){var cb=arguments[1];window.setTimeout(function(){cb();if(self.iceGatheringState==="new"){self.iceGatheringState="gathering";self._emitGatheringStateChange()}self._emitBufferedCandidates()},0)}var p=Promise.resolve();p.then(function(){if(!hasCallback){if(self.iceGatheringState==="new"){self.iceGatheringState="gathering";self._emitGatheringStateChange()}window.setTimeout(self._emitBufferedCandidates.bind(self),500)}});return p};window.RTCPeerConnection.prototype.setRemoteDescription=function(description){var self=this;var stream=new MediaStream;var receiverList=[];var sections=SDPUtils.splitSections(description.sdp);var sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,"a=ice-lite").length>0;this.usingBundle=SDPUtils.matchPrefix(sessionpart,"a=group:BUNDLE ").length>0;sections.forEach(function(mediaSection,sdpMLineIndex){var lines=SDPUtils.splitLines(mediaSection);var mline=lines[0].substr(2).split(" ");var kind=mline[0];var rejected=mline[1]==="0";var direction=SDPUtils.getDirection(mediaSection,sessionpart);var mid=SDPUtils.matchPrefix(mediaSection,"a=mid:");if(mid.length){mid=mid[0].substr(6)}else{mid=SDPUtils.generateIdentifier()}if(kind==="application"&&mline[2]==="DTLS/SCTP"){self.transceivers[sdpMLineIndex]={mid:mid,isDatachannel:true};return}var transceiver;var iceGatherer;var iceTransport;var dtlsTransport;var rtpSender;var rtpReceiver;var sendEncodingParameters;var recvEncodingParameters;var localCapabilities;var track;var remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);var remoteIceParameters;var remoteDtlsParameters;if(!rejected){remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);remoteDtlsParameters.role="client"}recvEncodingParameters=SDPUtils.parseRtpEncodingParameters(mediaSection);var cname;var remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return obj.attribute==="cname"})[0];if(remoteSsrc){cname=remoteSsrc.value}var isComplete=SDPUtils.matchPrefix(mediaSection,"a=end-of-candidates",sessionpart).length>0;var cands=SDPUtils.matchPrefix(mediaSection,"a=candidate:").map(function(cand){return SDPUtils.parseCandidate(cand)}).filter(function(cand){return cand.component==="1"});if(description.type==="offer"&&!rejected){var transports=self.usingBundle&&sdpMLineIndex>0?{iceGatherer:self.transceivers[0].iceGatherer,iceTransport:self.transceivers[0].iceTransport,dtlsTransport:self.transceivers[0].dtlsTransport}:self._createIceAndDtlsTransports(mid,sdpMLineIndex);if(isComplete&&(!self.usingBundle||sdpMLineIndex===0)){transports.iceTransport.setRemoteCandidates(cands)}localCapabilities=RTCRtpReceiver.getCapabilities(kind);if(browserDetails.version<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=="rtx"})}sendEncodingParameters=[{ssrc:(2*sdpMLineIndex+2)*1001}];if(direction==="sendrecv"||direction==="sendonly"){rtpReceiver=new RTCRtpReceiver(transports.dtlsTransport,kind);track=rtpReceiver.track;receiverList.push([track,rtpReceiver]);stream.addTrack(track)}if(self.localStreams.length>0&&self.localStreams[0].getTracks().length>=sdpMLineIndex){var localTrack;if(kind==="audio"){localTrack=self.localStreams[0].getAudioTracks()[0]}else if(kind==="video"){localTrack=self.localStreams[0].getVideoTracks()[0]}if(localTrack){if(browserDetails.version>=15019&&kind==="video"){sendEncodingParameters[0].rtx={ssrc:(2*sdpMLineIndex+2)*1001+1}}rtpSender=new RTCRtpSender(localTrack,transports.dtlsTransport)}}self.transceivers[sdpMLineIndex]={iceGatherer:transports.iceGatherer,iceTransport:transports.iceTransport,dtlsTransport:transports.dtlsTransport,localCapabilities:localCapabilities,remoteCapabilities:remoteCapabilities,rtpSender:rtpSender,rtpReceiver:rtpReceiver,kind:kind,mid:mid,cname:cname,sendEncodingParameters:sendEncodingParameters,recvEncodingParameters:recvEncodingParameters};self._transceive(self.transceivers[sdpMLineIndex],false,direction==="sendrecv"||direction==="sendonly")}else if(description.type==="answer"&&!rejected){transceiver=self.transceivers[sdpMLineIndex];iceGatherer=transceiver.iceGatherer;iceTransport=transceiver.iceTransport;dtlsTransport=transceiver.dtlsTransport;rtpSender=transceiver.rtpSender;rtpReceiver=transceiver.rtpReceiver;sendEncodingParameters=transceiver.sendEncodingParameters;localCapabilities=transceiver.localCapabilities;self.transceivers[sdpMLineIndex].recvEncodingParameters=recvEncodingParameters;self.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities;self.transceivers[sdpMLineIndex].cname=cname;if((isIceLite||isComplete)&&cands.length){iceTransport.setRemoteCandidates(cands)}if(!self.usingBundle||sdpMLineIndex===0){iceTransport.start(iceGatherer,remoteIceParameters,"controlling");dtlsTransport.start(remoteDtlsParameters)}self._transceive(transceiver,direction==="sendrecv"||direction==="recvonly",direction==="sendrecv"||direction==="sendonly");if(rtpReceiver&&(direction==="sendrecv"||direction==="sendonly")){track=rtpReceiver.track;receiverList.push([track,rtpReceiver]);stream.addTrack(track)}else{delete transceiver.rtpReceiver}}});this.remoteDescription={type:description.type,sdp:description.sdp};switch(description.type){case"offer":this._updateSignalingState("have-remote-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+description.type+'"')}if(stream.getTracks().length){self.remoteStreams.push(stream);window.setTimeout(function(){var event=new Event("addstream");event.stream=stream;self.dispatchEvent(event);if(self.onaddstream!==null){window.setTimeout(function(){self.onaddstream(event)},0)}receiverList.forEach(function(item){var track=item[0];var receiver=item[1];var trackEvent=new Event("track");trackEvent.track=track;trackEvent.receiver=receiver;trackEvent.streams=[stream];self.dispatchEvent(trackEvent);if(self.ontrack!==null){window.setTimeout(function(){self.ontrack(trackEvent)},0)}})},0)}if(arguments.length>1&&typeof arguments[1]==="function"){window.setTimeout(arguments[1],0)}return Promise.resolve()};window.RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport){transceiver.iceTransport.stop()}if(transceiver.dtlsTransport){transceiver.dtlsTransport.stop()}if(transceiver.rtpSender){transceiver.rtpSender.stop()}if(transceiver.rtpReceiver){transceiver.rtpReceiver.stop()}});this._updateSignalingState("closed")};window.RTCPeerConnection.prototype._updateSignalingState=function(newState){this.signalingState=newState;var event=new Event("signalingstatechange");this.dispatchEvent(event);if(this.onsignalingstatechange!==null){this.onsignalingstatechange(event)}};window.RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var event=new Event("negotiationneeded");this.dispatchEvent(event);if(this.onnegotiationneeded!==null){this.onnegotiationneeded(event)}};window.RTCPeerConnection.prototype._updateConnectionState=function(){var self=this;var newState;var states={new:0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};this.transceivers.forEach(function(transceiver){states[transceiver.iceTransport.state]++;states[transceiver.dtlsTransport.state]++});states.connected+=states.completed;newState="new";if(states.failed>0){newState="failed"}else if(states.connecting>0||states.checking>0){newState="connecting"}else if(states.disconnected>0){newState="disconnected"}else if(states.new>0){newState="new"}else if(states.connected>0||states.completed>0){newState="connected"}if(newState!==self.iceConnectionState){self.iceConnectionState=newState;var event=new Event("iceconnectionstatechange");this.dispatchEvent(event);if(this.oniceconnectionstatechange!==null){this.oniceconnectionstatechange(event)}}};window.RTCPeerConnection.prototype.createOffer=function(){var self=this;if(this._pendingOffer){throw new Error("createOffer called while there is a pending offer.")}var offerOptions;if(arguments.length===1&&typeof arguments[0]!=="function"){offerOptions=arguments[0]}else if(arguments.length===3){offerOptions=arguments[2]}var tracks=[];var numAudioTracks=0;var numVideoTracks=0;if(this.localStreams.length){numAudioTracks=this.localStreams[0].getAudioTracks().length;numVideoTracks=this.localStreams[0].getVideoTracks().length}if(offerOptions){if(offerOptions.mandatory||offerOptions.optional){throw new TypeError("Legacy mandatory/optional constraints not supported.")}if(offerOptions.offerToReceiveAudio!==undefined){numAudioTracks=offerOptions.offerToReceiveAudio}if(offerOptions.offerToReceiveVideo!==undefined){numVideoTracks=offerOptions.offerToReceiveVideo}}if(this.localStreams.length){this.localStreams[0].getTracks().forEach(function(track){tracks.push({kind:track.kind,track:track,wantReceive:track.kind==="audio"?numAudioTracks>0:numVideoTracks>0});if(track.kind==="audio"){numAudioTracks--}else if(track.kind==="video"){numVideoTracks--}})}while(numAudioTracks>0||numVideoTracks>0){if(numAudioTracks>0){tracks.push({kind:"audio",wantReceive:true});numAudioTracks--}if(numVideoTracks>0){tracks.push({kind:"video",wantReceive:true});numVideoTracks--}}tracks=sortTracks(tracks);var sdp=SDPUtils.writeSessionBoilerplate();var transceivers=[];tracks.forEach(function(mline,sdpMLineIndex){var track=mline.track;var kind=mline.kind;var mid=SDPUtils.generateIdentifier();var transports=self.usingBundle&&sdpMLineIndex>0?{iceGatherer:transceivers[0].iceGatherer,iceTransport:transceivers[0].iceTransport,dtlsTransport:transceivers[0].dtlsTransport}:self._createIceAndDtlsTransports(mid,sdpMLineIndex);var localCapabilities=RTCRtpSender.getCapabilities(kind);if(browserDetails.version<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=="rtx"})}localCapabilities.codecs.forEach(function(codec){if(codec.name==="H264"&&codec.parameters["level-asymmetry-allowed"]===undefined){codec.parameters["level-asymmetry-allowed"]="1"}});var rtpSender;var rtpReceiver;var sendEncodingParameters=[{ssrc:(2*sdpMLineIndex+1)*1001}];if(track){if(browserDetails.version>=15019&&kind==="video"){sendEncodingParameters[0].rtx={ssrc:(2*sdpMLineIndex+1)*1001+1}}rtpSender=new RTCRtpSender(track,transports.dtlsTransport)}if(mline.wantReceive){rtpReceiver=new RTCRtpReceiver(transports.dtlsTransport,kind)}transceivers[sdpMLineIndex]={iceGatherer:transports.iceGatherer,iceTransport:transports.iceTransport,dtlsTransport:transports.dtlsTransport,localCapabilities:localCapabilities,remoteCapabilities:null,rtpSender:rtpSender,rtpReceiver:rtpReceiver,kind:kind,mid:mid,sendEncodingParameters:sendEncodingParameters,recvEncodingParameters:null}});if(this.usingBundle){sdp+="a=group:BUNDLE "+transceivers.map(function(t){return t.mid}).join(" ")+"\r\n"}tracks.forEach(function(mline,sdpMLineIndex){var transceiver=transceivers[sdpMLineIndex];sdp+=SDPUtils.writeMediaSection(transceiver,transceiver.localCapabilities,"offer",self.localStreams[0])});this._pendingOffer=transceivers;var desc=new RTCSessionDescription({type:"offer",sdp:sdp});if(arguments.length&&typeof arguments[0]==="function"){window.setTimeout(arguments[0],0,desc)}return Promise.resolve(desc)};window.RTCPeerConnection.prototype.createAnswer=function(){var self=this;var sdp=SDPUtils.writeSessionBoilerplate();if(this.usingBundle){sdp+="a=group:BUNDLE "+this.transceivers.map(function(t){return t.mid}).join(" ")+"\r\n"}this.transceivers.forEach(function(transceiver){if(transceiver.isDatachannel){sdp+="m=application 0 DTLS/SCTP 5000\r\n"+"c=IN IP4 0.0.0.0\r\n"+"a=mid:"+transceiver.mid+"\r\n";return}var commonCapabilities=self._getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);sdp+=SDPUtils.writeMediaSection(transceiver,commonCapabilities,"answer",self.localStreams[0])});var desc=new RTCSessionDescription({type:"answer",sdp:sdp});if(arguments.length&&typeof arguments[0]==="function"){window.setTimeout(arguments[0],0,desc)}return Promise.resolve(desc)};window.RTCPeerConnection.prototype.addIceCandidate=function(candidate){if(!candidate){for(var j=0;j<this.transceivers.length;j++){this.transceivers[j].iceTransport.addRemoteCandidate({});if(this.usingBundle){return Promise.resolve()}}}else{var mLineIndex=candidate.sdpMLineIndex;if(candidate.sdpMid){for(var i=0;i<this.transceivers.length;i++){if(this.transceivers[i].mid===candidate.sdpMid){mLineIndex=i;break}}}var transceiver=this.transceivers[mLineIndex];if(transceiver){var cand=Object.keys(candidate.candidate).length>0?SDPUtils.parseCandidate(candidate.candidate):{};if(cand.protocol==="tcp"&&(cand.port===0||cand.port===9)){return Promise.resolve()}if(cand.component!=="1"){return Promise.resolve()}transceiver.iceTransport.addRemoteCandidate(cand);var sections=SDPUtils.splitSections(this.remoteDescription.sdp);sections[mLineIndex+1]+=(cand.type?candidate.candidate.trim():"a=end-of-candidates")+"\r\n";this.remoteDescription.sdp=sections.join("")}}if(arguments.length>1&&typeof arguments[1]==="function"){window.setTimeout(arguments[1],0)}return Promise.resolve()};window.RTCPeerConnection.prototype.getStats=function(){var promises=[];this.transceivers.forEach(function(transceiver){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach(function(method){if(transceiver[method]){promises.push(transceiver[method].getStats())}})});var cb=arguments.length>1&&typeof arguments[1]==="function"&&arguments[1];var fixStatsType=function(stat){return{inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[stat.type]||stat.type};return new Promise(function(resolve){var results=new Map;Promise.all(promises).then(function(res){res.forEach(function(result){Object.keys(result).forEach(function(id){result[id].type=fixStatsType(result[id]);results.set(id,result[id])})});if(cb){window.setTimeout(cb,0,results)}resolve(results)})})}}};module.exports={shimPeerConnection:edgeShim.shimPeerConnection,shimGetUserMedia:require("./getusermedia")}},{"../utils":10,"./getusermedia":6,sdp:1}],6:[function(require,module,exports){"use strict";module.exports=function(){var shimError_=function(e){return{name:{PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name}}};var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e))})}}},{}],7:[function(require,module,exports){"use strict";var browserDetails=require("../utils").browserDetails;var firefoxShim={shimOnTrack:function(){if(typeof window==="object"&&window.RTCPeerConnection&&!("ontrack"in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(f){if(this._ontrack){this.removeEventListener("track",this._ontrack);this.removeEventListener("addstream",this._ontrackpoly)}this.addEventListener("track",this._ontrack=f);this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.getTracks().forEach(function(track){var event=new Event("track");event.track=track;event.receiver={track:track};event.streams=[e.stream];this.dispatchEvent(event)}.bind(this))}.bind(this))}})}},shimSourceObject:function(){if(typeof window==="object"){if(window.HTMLMediaElement&&!("srcObject"in window.HTMLMediaElement.prototype)){Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this.mozSrcObject},set:function(stream){this.mozSrcObject=stream}})}}},shimPeerConnection:function(){if(typeof window!=="object"||!(window.RTCPeerConnection||window.mozRTCPeerConnection)){return}if(!window.RTCPeerConnection){window.RTCPeerConnection=function(pcConfig,pcConstraints){if(browserDetails.version<38){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i<pcConfig.iceServers.length;i++){var server=pcConfig.iceServers[i];if(server.hasOwnProperty("urls")){for(var j=0;j<server.urls.length;j++){var newServer={url:server.urls[j]};if(server.urls[j].indexOf("turn")===0){newServer.username=server.username;newServer.credential=server.credential}newIceServers.push(newServer)}}else{newIceServers.push(pcConfig.iceServers[i])}}pcConfig.iceServers=newIceServers}}return new mozRTCPeerConnection(pcConfig,pcConstraints)};window.RTCPeerConnection.prototype=mozRTCPeerConnection.prototype;if(mozRTCPeerConnection.generateCertificate){Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return mozRTCPeerConnection.generateCertificate}})}window.RTCSessionDescription=mozRTCSessionDescription;window.RTCIceCandidate=mozRTCIceCandidate}["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){arguments[0]=new(method==="addIceCandidate"?RTCIceCandidate:RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments)}});var nativeAddIceCandidate=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null)}return Promise.resolve()}return nativeAddIceCandidate.apply(this,arguments)};var makeMapStats=function(stats){var map=new Map;Object.keys(stats).forEach(function(key){map.set(key,stats[key]);map[key]=stats[key]});return map};var modernStatsTypes={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"};var nativeGetStats=RTCPeerConnection.prototype.getStats;RTCPeerConnection.prototype.getStats=function(selector,onSucc,onErr){return nativeGetStats.apply(this,[selector||null]).then(function(stats){if(browserDetails.version<48){stats=makeMapStats(stats)}if(browserDetails.version<53&&!onSucc){try{stats.forEach(function(stat){stat.type=modernStatsTypes[stat.type]||stat.type})}catch(e){if(e.name!=="TypeError"){throw e}stats.forEach(function(stat,i){stats.set(i,Object.assign({},stat,{type:modernStatsTypes[stat.type]||stat.type}))})}}return stats}).then(onSucc,onErr)}}};module.exports={shimOnTrack:firefoxShim.shimOnTrack,shimSourceObject:firefoxShim.shimSourceObject,shimPeerConnection:firefoxShim.shimPeerConnection,shimGetUserMedia:require("./getusermedia")}},{"../utils":10,"./getusermedia":8}],8:[function(require,module,exports){"use strict";var logging=require("../utils").log;var browserDetails=require("../utils").browserDetails;module.exports=function(){var shimError_=function(e){return{name:{SecurityError:"NotAllowedError",PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:{"The operation is insecure.":"The request is not allowed by the "+"user agent or the platform in the current context."}[e.message]||e.message,constraint:e.constraint,toString:function(){return this.name+(this.message&&": ")+this.message}}};var getUserMedia_=function(constraints,onSuccess,onError){var constraintsToFF37_=function(c){if(typeof c!=="object"||c.require){return c}var require=[];Object.keys(c).forEach(function(key){if(key==="require"||key==="advanced"||key==="mediaSource"){return}var r=c[key]=typeof c[key]==="object"?c[key]:{ideal:c[key]};if(r.min!==undefined||r.max!==undefined||r.exact!==undefined){require.push(key)}if(r.exact!==undefined){if(typeof r.exact==="number"){r.min=r.max=r.exact}else{c[key]=r.exact}delete r.exact}if(r.ideal!==undefined){c.advanced=c.advanced||[];var oc={};if(typeof r.ideal==="number"){oc[key]={min:r.ideal,max:r.ideal}}else{oc[key]=r.ideal}c.advanced.push(oc);delete r.ideal;if(!Object.keys(r).length){delete c[key]}}});if(require.length){c.require=require}return c};constraints=JSON.parse(JSON.stringify(constraints));if(browserDetails.version<38){logging("spec: "+JSON.stringify(constraints));if(constraints.audio){constraints.audio=constraintsToFF37_(constraints.audio)}if(constraints.video){constraints.video=constraintsToFF37_(constraints.video)}logging("ff37: "+JSON.stringify(constraints))}return navigator.mozGetUserMedia(constraints,onSuccess,function(e){onError(shimError_(e))})};var getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){getUserMedia_(constraints,resolve,reject)})};if(!navigator.mediaDevices){navigator.mediaDevices={getUserMedia:getUserMediaPromise_,addEventListener:function(){},removeEventListener:function(){}}}navigator.mediaDevices.enumerateDevices=navigator.mediaDevices.enumerateDevices||function(){return new Promise(function(resolve){var infos=[{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}];resolve(infos)})};if(browserDetails.version<41){var orgEnumerateDevices=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return orgEnumerateDevices().then(undefined,function(e){if(e.name==="NotFoundError"){return[]}throw e})}}if(browserDetails.version<49){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).then(function(stream){if(c.audio&&!stream.getAudioTracks().length||c.video&&!stream.getVideoTracks().length){stream.getTracks().forEach(function(track){track.stop()});throw new DOMException("The object can not be found here.","NotFoundError")}return stream},function(e){return Promise.reject(shimError_(e))})}}navigator.getUserMedia=function(constraints,onSuccess,onError){if(browserDetails.version<44){return getUserMedia_(constraints,onSuccess,onError)}console.warn("navigator.getUserMedia has been replaced by "+"navigator.mediaDevices.getUserMedia");navigator.mediaDevices.getUserMedia(constraints).then(onSuccess,onError)}}},{"../utils":10}],9:[function(require,module,exports){"use strict";var safariShim={shimGetUserMedia:function(){if(!navigator.getUserMedia){if(navigator.webkitGetUserMedia){navigator.getUserMedia=navigator.webkitGetUserMedia.bind(navigator)}else if(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){navigator.getUserMedia=function(constraints,cb,errcb){navigator.mediaDevices.getUserMedia(constraints).then(cb,errcb)}.bind(navigator)}}}};module.exports={shimGetUserMedia:safariShim.shimGetUserMedia}},{}],10:[function(require,module,exports){"use strict";var logDisabled_=true;var utils={disableLog:function(bool){if(typeof bool!=="boolean"){return new Error("Argument type: "+typeof bool+". Please use a boolean.")}logDisabled_=bool;return bool?"adapter.js logging disabled":"adapter.js logging enabled"},log:function(){if(typeof window==="object"){if(logDisabled_){return}if(typeof console!=="undefined"&&typeof console.log==="function"){console.log.apply(console,arguments)}}},extractVersion:function(uastring,expr,pos){var match=uastring.match(expr);return match&&match.length>=pos&&parseInt(match[pos],10)},detectBrowser:function(){var result={};result.browser=null;result.version=null;if(typeof window==="undefined"||!window.navigator){result.browser="Not a browser.";return result}if(navigator.mozGetUserMedia){result.browser="firefox";result.version=this.extractVersion(navigator.userAgent,/Firefox\/(\d+)\./,1)}else if(navigator.webkitGetUserMedia){if(window.webkitRTCPeerConnection){result.browser="chrome";result.version=this.extractVersion(navigator.userAgent,/Chrom(e|ium)\/(\d+)\./,2)}else{if(navigator.userAgent.match(/Version\/(\d+).(\d+)/)){result.browser="safari";result.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1)}else{result.browser="Unsupported webkit-based browser "+"with GUM support but no WebRTC support.";return result}}}else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)){result.browser="edge";result.version=this.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2)}else if(navigator.mediaDevices&&navigator.userAgent.match(/AppleWebKit\/(\d+)\./)){result.browser="safari";result.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1)}else{result.browser="Not a supported browser.";return result}return result},shimCreateObjectURL:function(){if(!(typeof window==="object"&&window.HTMLMediaElement&&"srcObject"in window.HTMLMediaElement.prototype)){return undefined}var nativeCreateObjectURL=URL.createObjectURL.bind(URL);var nativeRevokeObjectURL=URL.revokeObjectURL.bind(URL);var streams=new Map,newId=0;URL.createObjectURL=function(stream){if("getTracks"in stream){var url="polyblob:"+ ++newId;streams.set(url,stream);console.log("URL.createObjectURL(stream) is deprecated! "+"Use elem.srcObject = stream instead!");return url}return nativeCreateObjectURL(stream)};URL.revokeObjectURL=function(url){nativeRevokeObjectURL(url);streams.delete(url)};var dsc=Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,"src");Object.defineProperty(window.HTMLMediaElement.prototype,"src",{get:function(){return dsc.get.apply(this)},set:function(url){this.srcObject=streams.get(url)||null;return dsc.set.apply(this,[url])}});var nativeSetAttribute=HTMLMediaElement.prototype.setAttribute;HTMLMediaElement.prototype.setAttribute=function(){if(arguments.length===2&&(""+arguments[0]).toLowerCase()==="src"){this.srcObject=streams.get(arguments[1])||null}return nativeSetAttribute.apply(this,arguments)}}};module.exports={log:utils.log,disableLog:utils.disableLog,browserDetails:utils.detectBrowser(),extractVersion:utils.extractVersion,shimCreateObjectURL:utils.shimCreateObjectURL,detectBrowser:utils.detectBrowser.bind(utils)}},{}]},{},[2])(2)}); +(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.adapter=f()}})(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){"use strict";var SDPUtils={};SDPUtils.generateIdentifier=function(){return Math.random().toString(36).substr(2,10)};SDPUtils.localCName=SDPUtils.generateIdentifier();SDPUtils.splitLines=function(blob){return blob.trim().split("\n").map(function(line){return line.trim()})};SDPUtils.splitSections=function(blob){var parts=blob.split("\nm=");return parts.map(function(part,index){return(index>0?"m="+part:part).trim()+"\r\n"})};SDPUtils.matchPrefix=function(blob,prefix){return SDPUtils.splitLines(blob).filter(function(line){return line.indexOf(prefix)===0})};SDPUtils.parseCandidate=function(line){var parts;if(line.indexOf("a=candidate:")===0){parts=line.substring(12).split(" ")}else{parts=line.substring(10).split(" ")}var candidate={foundation:parts[0],component:parseInt(parts[1],10),protocol:parts[2].toLowerCase(),priority:parseInt(parts[3],10),ip:parts[4],port:parseInt(parts[5],10),type:parts[7]};for(var i=8;i<parts.length;i+=2){switch(parts[i]){case"raddr":candidate.relatedAddress=parts[i+1];break;case"rport":candidate.relatedPort=parseInt(parts[i+1],10);break;case"tcptype":candidate.tcpType=parts[i+1];break;default:candidate[parts[i]]=parts[i+1];break}}return candidate};SDPUtils.writeCandidate=function(candidate){var sdp=[];sdp.push(candidate.foundation);sdp.push(candidate.component);sdp.push(candidate.protocol.toUpperCase());sdp.push(candidate.priority);sdp.push(candidate.ip);sdp.push(candidate.port);var type=candidate.type;sdp.push("typ");sdp.push(type);if(type!=="host"&&candidate.relatedAddress&&candidate.relatedPort){sdp.push("raddr");sdp.push(candidate.relatedAddress);sdp.push("rport");sdp.push(candidate.relatedPort)}if(candidate.tcpType&&candidate.protocol.toLowerCase()==="tcp"){sdp.push("tcptype");sdp.push(candidate.tcpType)}return"candidate:"+sdp.join(" ")};SDPUtils.parseIceOptions=function(line){return line.substr(14).split(" ")};SDPUtils.parseRtpMap=function(line){var parts=line.substr(9).split(" ");var parsed={payloadType:parseInt(parts.shift(),10)};parts=parts[0].split("/");parsed.name=parts[0];parsed.clockRate=parseInt(parts[1],10);parsed.numChannels=parts.length===3?parseInt(parts[2],10):1;return parsed};SDPUtils.writeRtpMap=function(codec){var pt=codec.payloadType;if(codec.preferredPayloadType!==undefined){pt=codec.preferredPayloadType}return"a=rtpmap:"+pt+" "+codec.name+"/"+codec.clockRate+(codec.numChannels!==1?"/"+codec.numChannels:"")+"\r\n"};SDPUtils.parseExtmap=function(line){var parts=line.substr(9).split(" ");return{id:parseInt(parts[0],10),direction:parts[0].indexOf("/")>0?parts[0].split("/")[1]:"sendrecv",uri:parts[1]}};SDPUtils.writeExtmap=function(headerExtension){return"a=extmap:"+(headerExtension.id||headerExtension.preferredId)+(headerExtension.direction&&headerExtension.direction!=="sendrecv"?"/"+headerExtension.direction:"")+" "+headerExtension.uri+"\r\n"};SDPUtils.parseFmtp=function(line){var parsed={};var kv;var parts=line.substr(line.indexOf(" ")+1).split(";");for(var j=0;j<parts.length;j++){kv=parts[j].trim().split("=");parsed[kv[0].trim()]=kv[1]}return parsed};SDPUtils.writeFmtp=function(codec){var line="";var pt=codec.payloadType;if(codec.preferredPayloadType!==undefined){pt=codec.preferredPayloadType}if(codec.parameters&&Object.keys(codec.parameters).length){var params=[];Object.keys(codec.parameters).forEach(function(param){params.push(param+"="+codec.parameters[param])});line+="a=fmtp:"+pt+" "+params.join(";")+"\r\n"}return line};SDPUtils.parseRtcpFb=function(line){var parts=line.substr(line.indexOf(" ")+1).split(" ");return{type:parts.shift(),parameter:parts.join(" ")}};SDPUtils.writeRtcpFb=function(codec){var lines="";var pt=codec.payloadType;if(codec.preferredPayloadType!==undefined){pt=codec.preferredPayloadType}if(codec.rtcpFeedback&&codec.rtcpFeedback.length){codec.rtcpFeedback.forEach(function(fb){lines+="a=rtcp-fb:"+pt+" "+fb.type+(fb.parameter&&fb.parameter.length?" "+fb.parameter:"")+"\r\n"})}return lines};SDPUtils.parseSsrcMedia=function(line){var sp=line.indexOf(" ");var parts={ssrc:parseInt(line.substr(7,sp-7),10)};var colon=line.indexOf(":",sp);if(colon>-1){parts.attribute=line.substr(sp+1,colon-sp-1);parts.value=line.substr(colon+1)}else{parts.attribute=line.substr(sp+1)}return parts};SDPUtils.getMid=function(mediaSection){var mid=SDPUtils.matchPrefix(mediaSection,"a=mid:")[0];if(mid){return mid.substr(6)}};SDPUtils.parseFingerprint=function(line){var parts=line.substr(14).split(" ");return{algorithm:parts[0].toLowerCase(),value:parts[1]}};SDPUtils.getDtlsParameters=function(mediaSection,sessionpart){var lines=SDPUtils.matchPrefix(mediaSection+sessionpart,"a=fingerprint:");return{role:"auto",fingerprints:lines.map(SDPUtils.parseFingerprint)}};SDPUtils.writeDtlsParameters=function(params,setupType){var sdp="a=setup:"+setupType+"\r\n";params.fingerprints.forEach(function(fp){sdp+="a=fingerprint:"+fp.algorithm+" "+fp.value+"\r\n"});return sdp};SDPUtils.getIceParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);lines=lines.concat(SDPUtils.splitLines(sessionpart));var iceParameters={usernameFragment:lines.filter(function(line){return line.indexOf("a=ice-ufrag:")===0})[0].substr(12),password:lines.filter(function(line){return line.indexOf("a=ice-pwd:")===0})[0].substr(10)};return iceParameters};SDPUtils.writeIceParameters=function(params){return"a=ice-ufrag:"+params.usernameFragment+"\r\n"+"a=ice-pwd:"+params.password+"\r\n"};SDPUtils.parseRtpParameters=function(mediaSection){var description={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]};var lines=SDPUtils.splitLines(mediaSection);var mline=lines[0].split(" ");for(var i=3;i<mline.length;i++){var pt=mline[i];var rtpmapline=SDPUtils.matchPrefix(mediaSection,"a=rtpmap:"+pt+" ")[0];if(rtpmapline){var codec=SDPUtils.parseRtpMap(rtpmapline);var fmtps=SDPUtils.matchPrefix(mediaSection,"a=fmtp:"+pt+" ");codec.parameters=fmtps.length?SDPUtils.parseFmtp(fmtps[0]):{};codec.rtcpFeedback=SDPUtils.matchPrefix(mediaSection,"a=rtcp-fb:"+pt+" ").map(SDPUtils.parseRtcpFb);description.codecs.push(codec);switch(codec.name.toUpperCase()){case"RED":case"ULPFEC":description.fecMechanisms.push(codec.name.toUpperCase());break;default:break}}}SDPUtils.matchPrefix(mediaSection,"a=extmap:").forEach(function(line){description.headerExtensions.push(SDPUtils.parseExtmap(line))});return description};SDPUtils.writeRtpDescription=function(kind,caps){var sdp="";sdp+="m="+kind+" ";sdp+=caps.codecs.length>0?"9":"0";sdp+=" UDP/TLS/RTP/SAVPF ";sdp+=caps.codecs.map(function(codec){if(codec.preferredPayloadType!==undefined){return codec.preferredPayloadType}return codec.payloadType}).join(" ")+"\r\n";sdp+="c=IN IP4 0.0.0.0\r\n";sdp+="a=rtcp:9 IN IP4 0.0.0.0\r\n";caps.codecs.forEach(function(codec){sdp+=SDPUtils.writeRtpMap(codec);sdp+=SDPUtils.writeFmtp(codec);sdp+=SDPUtils.writeRtcpFb(codec)});var maxptime=0;caps.codecs.forEach(function(codec){if(codec.maxptime>maxptime){maxptime=codec.maxptime}});if(maxptime>0){sdp+="a=maxptime:"+maxptime+"\r\n"}sdp+="a=rtcp-mux\r\n";caps.headerExtensions.forEach(function(extension){sdp+=SDPUtils.writeExtmap(extension)});return sdp};SDPUtils.parseRtpEncodingParameters=function(mediaSection){var encodingParameters=[];var description=SDPUtils.parseRtpParameters(mediaSection);var hasRed=description.fecMechanisms.indexOf("RED")!==-1;var hasUlpfec=description.fecMechanisms.indexOf("ULPFEC")!==-1;var ssrcs=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(parts){return parts.attribute==="cname"});var primarySsrc=ssrcs.length>0&&ssrcs[0].ssrc;var secondarySsrc;var flows=SDPUtils.matchPrefix(mediaSection,"a=ssrc-group:FID").map(function(line){var parts=line.split(" ");parts.shift();return parts.map(function(part){return parseInt(part,10)})});if(flows.length>0&&flows[0].length>1&&flows[0][0]===primarySsrc){secondarySsrc=flows[0][1]}description.codecs.forEach(function(codec){if(codec.name.toUpperCase()==="RTX"&&codec.parameters.apt){var encParam={ssrc:primarySsrc,codecPayloadType:parseInt(codec.parameters.apt,10),rtx:{ssrc:secondarySsrc}};encodingParameters.push(encParam);if(hasRed){encParam=JSON.parse(JSON.stringify(encParam));encParam.fec={ssrc:secondarySsrc,mechanism:hasUlpfec?"red+ulpfec":"red"};encodingParameters.push(encParam)}}});if(encodingParameters.length===0&&primarySsrc){encodingParameters.push({ssrc:primarySsrc})}var bandwidth=SDPUtils.matchPrefix(mediaSection,"b=");if(bandwidth.length){if(bandwidth[0].indexOf("b=TIAS:")===0){bandwidth=parseInt(bandwidth[0].substr(7),10)}else if(bandwidth[0].indexOf("b=AS:")===0){bandwidth=parseInt(bandwidth[0].substr(5),10)}encodingParameters.forEach(function(params){params.maxBitrate=bandwidth})}return encodingParameters};SDPUtils.parseRtcpParameters=function(mediaSection){var rtcpParameters={};var cname;var remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(obj){return obj.attribute==="cname"})[0];if(remoteSsrc){rtcpParameters.cname=remoteSsrc.value;rtcpParameters.ssrc=remoteSsrc.ssrc}var rsize=SDPUtils.matchPrefix(mediaSection,"a=rtcp-rsize");rtcpParameters.reducedSize=rsize.length>0;rtcpParameters.compound=rsize.length===0;var mux=SDPUtils.matchPrefix(mediaSection,"a=rtcp-mux");rtcpParameters.mux=mux.length>0;return rtcpParameters};SDPUtils.parseMsid=function(mediaSection){var parts;var spec=SDPUtils.matchPrefix(mediaSection,"a=msid:");if(spec.length===1){parts=spec[0].substr(7).split(" ");return{stream:parts[0],track:parts[1]}}var planB=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map(function(line){return SDPUtils.parseSsrcMedia(line)}).filter(function(parts){return parts.attribute==="msid"});if(planB.length>0){parts=planB[0].value.split(" ");return{stream:parts[0],track:parts[1]}}};SDPUtils.writeSessionBoilerplate=function(){return"v=0\r\n"+"o=thisisadapterortc 8169639915646943137 2 IN IP4 127.0.0.1\r\n"+"s=-\r\n"+"t=0 0\r\n"};SDPUtils.writeMediaSection=function(transceiver,caps,type,stream){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters());sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),type==="offer"?"actpass":"active");sdp+="a=mid:"+transceiver.mid+"\r\n";if(transceiver.direction){sdp+="a="+transceiver.direction+"\r\n"}else if(transceiver.rtpSender&&transceiver.rtpReceiver){sdp+="a=sendrecv\r\n"}else if(transceiver.rtpSender){sdp+="a=sendonly\r\n"}else if(transceiver.rtpReceiver){sdp+="a=recvonly\r\n"}else{sdp+="a=inactive\r\n"}if(transceiver.rtpSender){var msid="msid:"+stream.id+" "+transceiver.rtpSender.track.id+"\r\n";sdp+="a="+msid;sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" "+msid;if(transceiver.sendEncodingParameters[0].rtx){sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" "+msid;sdp+="a=ssrc-group:FID "+transceiver.sendEncodingParameters[0].ssrc+" "+transceiver.sendEncodingParameters[0].rtx.ssrc+"\r\n"}}sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" cname:"+SDPUtils.localCName+"\r\n";if(transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx){sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" cname:"+SDPUtils.localCName+"\r\n"}return sdp};SDPUtils.getDirection=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);for(var i=0;i<lines.length;i++){switch(lines[i]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return lines[i].substr(2);default:}}if(sessionpart){return SDPUtils.getDirection(sessionpart)}return"sendrecv"};SDPUtils.getKind=function(mediaSection){var lines=SDPUtils.splitLines(mediaSection);var mline=lines[0].split(" ");return mline[0].substr(2)};SDPUtils.isRejected=function(mediaSection){return mediaSection.split(" ",2)[1]==="0"};module.exports=SDPUtils},{}],2:[function(require,module,exports){"use strict";(function(){var utils=require("./utils");var logging=utils.log;var browserDetails=utils.browserDetails;module.exports.browserDetails=browserDetails;module.exports.extractVersion=utils.extractVersion;module.exports.disableLog=utils.disableLog;var chromeShim=require("./chrome/chrome_shim")||null;var edgeShim=require("./edge/edge_shim")||null;var firefoxShim=require("./firefox/firefox_shim")||null;var safariShim=require("./safari/safari_shim")||null;switch(browserDetails.browser){case"chrome":if(!chromeShim||!chromeShim.shimPeerConnection){logging("Chrome shim is not included in this adapter release.");return}logging("adapter.js shimming chrome.");module.exports.browserShim=chromeShim;chromeShim.shimGetUserMedia();chromeShim.shimMediaStream();utils.shimCreateObjectURL();chromeShim.shimSourceObject();chromeShim.shimPeerConnection();chromeShim.shimOnTrack();chromeShim.shimGetSendersWithDtmf();break;case"firefox":if(!firefoxShim||!firefoxShim.shimPeerConnection){logging("Firefox shim is not included in this adapter release.");return}logging("adapter.js shimming firefox.");module.exports.browserShim=firefoxShim;firefoxShim.shimGetUserMedia();utils.shimCreateObjectURL();firefoxShim.shimSourceObject();firefoxShim.shimPeerConnection();firefoxShim.shimOnTrack();break;case"edge":if(!edgeShim||!edgeShim.shimPeerConnection){logging("MS edge shim is not included in this adapter release.");return}logging("adapter.js shimming edge.");module.exports.browserShim=edgeShim;edgeShim.shimGetUserMedia();utils.shimCreateObjectURL();edgeShim.shimPeerConnection();edgeShim.shimReplaceTrack();break;case"safari":if(!safariShim){logging("Safari shim is not included in this adapter release.");return}logging("adapter.js shimming safari.");module.exports.browserShim=safariShim;safariShim.shimCallbacksAPI();safariShim.shimAddStream();safariShim.shimOnAddStream();safariShim.shimGetUserMedia();break;default:logging("Unsupported browser!")}})()},{"./chrome/chrome_shim":3,"./edge/edge_shim":5,"./firefox/firefox_shim":8,"./safari/safari_shim":10,"./utils":11}],3:[function(require,module,exports){"use strict";var logging=require("../utils.js").log;var browserDetails=require("../utils.js").browserDetails;var chromeShim={shimMediaStream:function(){window.MediaStream=window.MediaStream||window.webkitMediaStream},shimOnTrack:function(){if(typeof window==="object"&&window.RTCPeerConnection&&!("ontrack"in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(f){var self=this;if(this._ontrack){this.removeEventListener("track",this._ontrack);this.removeEventListener("addstream",this._ontrackpoly)}this.addEventListener("track",this._ontrack=f);this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.addEventListener("addtrack",function(te){var receiver;if(RTCPeerConnection.prototype.getReceivers){receiver=self.getReceivers().find(function(r){return r.track.id===te.track.id})}else{receiver={track:te.track}}var event=new Event("track");event.track=te.track;event.receiver=receiver;event.streams=[e.stream];self.dispatchEvent(event)});e.stream.getTracks().forEach(function(track){var receiver;if(RTCPeerConnection.prototype.getReceivers){receiver=self.getReceivers().find(function(r){return r.track.id===track.id})}else{receiver={track:track}}var event=new Event("track");event.track=track;event.receiver=receiver;event.streams=[e.stream];this.dispatchEvent(event)}.bind(this))}.bind(this))}})}},shimGetSendersWithDtmf:function(){if(typeof window==="object"&&window.RTCPeerConnection&&!("getSenders"in RTCPeerConnection.prototype)&&"createDTMFSender"in RTCPeerConnection.prototype){RTCPeerConnection.prototype.getSenders=function(){return this._senders||[]};var origAddStream=RTCPeerConnection.prototype.addStream;var origRemoveStream=RTCPeerConnection.prototype.removeStream;if(!RTCPeerConnection.prototype.addTrack){RTCPeerConnection.prototype.addTrack=function(track,stream){var pc=this;if(pc.signalingState==="closed"){throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError")}var streams=[].slice.call(arguments,1);if(streams.length!==1||!streams[0].getTracks().find(function(t){return t===track})){throw new DOMException("The adapter.js addTrack polyfill only supports a single "+" stream which is associated with the specified track.","NotSupportedError")}pc._senders=pc._senders||[];var alreadyExists=pc._senders.find(function(t){return t.track===track});if(alreadyExists){throw new DOMException("Track already exists.","InvalidAccessError")}pc._streams=pc._streams||{};var oldStream=pc._streams[stream.id];if(oldStream){oldStream.addTrack(track);pc.removeStream(oldStream);pc.addStream(oldStream)}else{var newStream=new MediaStream([track]);pc._streams[stream.id]=newStream;pc.addStream(newStream)}var sender={track:track,get dtmf(){if(this._dtmf===undefined){if(track.kind==="audio"){this._dtmf=pc.createDTMFSender(track)}else{this._dtmf=null}}return this._dtmf}};pc._senders.push(sender);return sender}}RTCPeerConnection.prototype.addStream=function(stream){var pc=this;pc._senders=pc._senders||[];origAddStream.apply(pc,[stream]);stream.getTracks().forEach(function(track){pc._senders.push({track:track,get dtmf(){if(this._dtmf===undefined){if(track.kind==="audio"){this._dtmf=pc.createDTMFSender(track)}else{this._dtmf=null}}return this._dtmf}})})};RTCPeerConnection.prototype.removeStream=function(stream){var pc=this;pc._senders=pc._senders||[];origRemoveStream.apply(pc,[stream]);stream.getTracks().forEach(function(track){var sender=pc._senders.find(function(s){return s.track===track});if(sender){pc._senders.splice(pc._senders.indexOf(sender),1)}})}}},shimSourceObject:function(){if(typeof window==="object"){if(window.HTMLMediaElement&&!("srcObject"in window.HTMLMediaElement.prototype)){Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this._srcObject},set:function(stream){var self=this;this._srcObject=stream;if(this.src){URL.revokeObjectURL(this.src)}if(!stream){this.src="";return undefined}this.src=URL.createObjectURL(stream);stream.addEventListener("addtrack",function(){if(self.src){URL.revokeObjectURL(self.src)}self.src=URL.createObjectURL(stream)});stream.addEventListener("removetrack",function(){if(self.src){URL.revokeObjectURL(self.src)}self.src=URL.createObjectURL(stream)})}})}}},shimPeerConnection:function(){if(!window.RTCPeerConnection){window.RTCPeerConnection=function(pcConfig,pcConstraints){logging("PeerConnection");if(pcConfig&&pcConfig.iceTransportPolicy){pcConfig.iceTransports=pcConfig.iceTransportPolicy}return new webkitRTCPeerConnection(pcConfig,pcConstraints)};window.RTCPeerConnection.prototype=webkitRTCPeerConnection.prototype;if(webkitRTCPeerConnection.generateCertificate){Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return webkitRTCPeerConnection.generateCertificate}})}}else{var OrigPeerConnection=RTCPeerConnection;window.RTCPeerConnection=function(pcConfig,pcConstraints){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i<pcConfig.iceServers.length;i++){var server=pcConfig.iceServers[i];if(!server.hasOwnProperty("urls")&&server.hasOwnProperty("url")){console.warn("RTCIceServer.url is deprecated! Use urls instead.");server=JSON.parse(JSON.stringify(server));server.urls=server.url;newIceServers.push(server)}else{newIceServers.push(pcConfig.iceServers[i])}}pcConfig.iceServers=newIceServers}return new OrigPeerConnection(pcConfig,pcConstraints)};window.RTCPeerConnection.prototype=OrigPeerConnection.prototype;Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return OrigPeerConnection.generateCertificate}})}var origGetStats=RTCPeerConnection.prototype.getStats;RTCPeerConnection.prototype.getStats=function(selector,successCallback,errorCallback){var self=this;var args=arguments;if(arguments.length>0&&typeof selector==="function"){return origGetStats.apply(this,arguments)}if(origGetStats.length===0&&(arguments.length===0||typeof arguments[0]!=="function")){return origGetStats.apply(this,[])}var fixChromeStats_=function(response){var standardReport={};var reports=response.result();reports.forEach(function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[report.type]||report.type};report.names().forEach(function(name){standardStats[name]=report.stat(name)});standardReport[standardStats.id]=standardStats});return standardReport};var makeMapStats=function(stats){return new Map(Object.keys(stats).map(function(key){return[key,stats[key]]}))};if(arguments.length>=2){var successCallbackWrapper_=function(response){args[1](makeMapStats(fixChromeStats_(response)))};return origGetStats.apply(this,[successCallbackWrapper_,arguments[0]])}return new Promise(function(resolve,reject){origGetStats.apply(self,[function(response){resolve(makeMapStats(fixChromeStats_(response)))},reject])}).then(successCallback,errorCallback)};if(browserDetails.version<51){["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;var self=this;var promise=new Promise(function(resolve,reject){nativeMethod.apply(self,[args[0],resolve,reject])});if(args.length<2){return promise}return promise.then(function(){args[1].apply(null,[])},function(err){if(args.length>=3){args[2].apply(null,[err])}})}})}if(browserDetails.version<52){["createOffer","createAnswer"].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var self=this;if(arguments.length<1||arguments.length===1&&typeof arguments[0]==="object"){var opts=arguments.length===1?arguments[0]:undefined;return new Promise(function(resolve,reject){nativeMethod.apply(self,[resolve,reject,opts])})}return nativeMethod.apply(this,arguments)}})}["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){arguments[0]=new(method==="addIceCandidate"?RTCIceCandidate:RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments)}});var nativeAddIceCandidate=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null)}return Promise.resolve()}return nativeAddIceCandidate.apply(this,arguments)}}};module.exports={shimMediaStream:chromeShim.shimMediaStream,shimOnTrack:chromeShim.shimOnTrack,shimGetSendersWithDtmf:chromeShim.shimGetSendersWithDtmf,shimSourceObject:chromeShim.shimSourceObject,shimPeerConnection:chromeShim.shimPeerConnection,shimGetUserMedia:require("./getusermedia")}},{"../utils.js":11,"./getusermedia":4}],4:[function(require,module,exports){"use strict";var logging=require("../utils.js").log;var browserDetails=require("../utils.js").browserDetails;module.exports=function(){var constraintsToChrome_=function(c){if(typeof c!=="object"||c.mandatory||c.optional){return c}var cc={};Object.keys(c).forEach(function(key){if(key==="require"||key==="advanced"||key==="mediaSource"){return}var r=typeof c[key]==="object"?c[key]:{ideal:c[key]};if(r.exact!==undefined&&typeof r.exact==="number"){r.min=r.max=r.exact}var oldname_=function(prefix,name){if(prefix){return prefix+name.charAt(0).toUpperCase()+name.slice(1)}return name==="deviceId"?"sourceId":name};if(r.ideal!==undefined){cc.optional=cc.optional||[];var oc={};if(typeof r.ideal==="number"){oc[oldname_("min",key)]=r.ideal;cc.optional.push(oc);oc={};oc[oldname_("max",key)]=r.ideal;cc.optional.push(oc)}else{oc[oldname_("",key)]=r.ideal;cc.optional.push(oc)}}if(r.exact!==undefined&&typeof r.exact!=="number"){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_("",key)]=r.exact}else{["min","max"].forEach(function(mix){if(r[mix]!==undefined){cc.mandatory=cc.mandatory||{};cc.mandatory[oldname_(mix,key)]=r[mix]}})}});if(c.advanced){cc.optional=(cc.optional||[]).concat(c.advanced)}return cc};var shimConstraints_=function(constraints,func){constraints=JSON.parse(JSON.stringify(constraints));if(constraints&&constraints.audio){constraints.audio=constraintsToChrome_(constraints.audio)}if(constraints&&typeof constraints.video==="object"){var face=constraints.video.facingMode;face=face&&(typeof face==="object"?face:{ideal:face});var getSupportedFacingModeLies=browserDetails.version<61;if(face&&(face.exact==="user"||face.exact==="environment"||face.ideal==="user"||face.ideal==="environment")&&!(navigator.mediaDevices.getSupportedConstraints&&navigator.mediaDevices.getSupportedConstraints().facingMode&&!getSupportedFacingModeLies)){delete constraints.video.facingMode;var matches;if(face.exact==="environment"||face.ideal==="environment"){matches=["back","rear"]}else if(face.exact==="user"||face.ideal==="user"){matches=["front"]}if(matches){return navigator.mediaDevices.enumerateDevices().then(function(devices){devices=devices.filter(function(d){return d.kind==="videoinput"});var dev=devices.find(function(d){return matches.some(function(match){return d.label.toLowerCase().indexOf(match)!==-1})});if(!dev&&devices.length&&matches.indexOf("back")!==-1){dev=devices[devices.length-1]}if(dev){constraints.video.deviceId=face.exact?{exact:dev.deviceId}:{ideal:dev.deviceId}}constraints.video=constraintsToChrome_(constraints.video);logging("chrome: "+JSON.stringify(constraints));return func(constraints)})}}constraints.video=constraintsToChrome_(constraints.video)}logging("chrome: "+JSON.stringify(constraints));return func(constraints)};var shimError_=function(e){return{name:{ConstraintNotSatisfiedError:"OverconstrainedError",PermissionDeniedError:"NotAllowedError",TrackStartError:"NotReadableError"}[e.name]||e.name,message:e.message,constraint:e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}};var getUserMedia_=function(constraints,onSuccess,onError){shimConstraints_(constraints,function(c){navigator.webkitGetUserMedia(c,onSuccess,function(e){onError(shimError_(e))})})};navigator.getUserMedia=getUserMedia_;var getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){navigator.getUserMedia(constraints,resolve,reject)})};if(!navigator.mediaDevices){navigator.mediaDevices={getUserMedia:getUserMediaPromise_,enumerateDevices:function(){return new Promise(function(resolve){var kinds={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(devices){resolve(devices.map(function(device){return{label:device.label,kind:kinds[device.kind],deviceId:device.id,groupId:""}}))})})},getSupportedConstraints:function(){return{deviceId:true,echoCancellation:true,facingMode:true,frameRate:true,height:true,width:true}}}}if(!navigator.mediaDevices.getUserMedia){navigator.mediaDevices.getUserMedia=function(constraints){return getUserMediaPromise_(constraints)}}else{var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(cs){return shimConstraints_(cs,function(c){return origGetUserMedia(c).then(function(stream){if(c.audio&&!stream.getAudioTracks().length||c.video&&!stream.getVideoTracks().length){stream.getTracks().forEach(function(track){track.stop()});throw new DOMException("","NotFoundError")}return stream},function(e){return Promise.reject(shimError_(e))})})}}if(typeof navigator.mediaDevices.addEventListener==="undefined"){navigator.mediaDevices.addEventListener=function(){logging("Dummy mediaDevices.addEventListener called.")}}if(typeof navigator.mediaDevices.removeEventListener==="undefined"){navigator.mediaDevices.removeEventListener=function(){logging("Dummy mediaDevices.removeEventListener called.")}}}},{"../utils.js":11}],5:[function(require,module,exports){"use strict";var browserDetails=require("../utils").browserDetails;var shimRTCPeerConnection=require("./rtcpeerconnection_shim");module.exports={shimGetUserMedia:require("./getusermedia"),shimPeerConnection:function(){if(window.RTCIceGatherer){if(!window.RTCIceCandidate){window.RTCIceCandidate=function(args){return args}}if(!window.RTCSessionDescription){window.RTCSessionDescription=function(args){return args}}if(browserDetails.version<15025){var origMSTEnabled=Object.getOwnPropertyDescriptor(MediaStreamTrack.prototype,"enabled");Object.defineProperty(MediaStreamTrack.prototype,"enabled",{set:function(value){origMSTEnabled.set.call(this,value);var ev=new Event("enabled");ev.enabled=value;this.dispatchEvent(ev)}})}}window.RTCPeerConnection=shimRTCPeerConnection(browserDetails.version)},shimReplaceTrack:function(){if(window.RTCRtpSender&&!("replaceTrack"in RTCRtpSender.prototype)){RTCRtpSender.prototype.replaceTrack=RTCRtpSender.prototype.setTrack}}}},{"../utils":11,"./getusermedia":6,"./rtcpeerconnection_shim":7}],6:[function(require,module,exports){"use strict";module.exports=function(){var shimError_=function(e){return{name:{PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name}}};var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch(function(e){return Promise.reject(shimError_(e))})}}},{}],7:[function(require,module,exports){"use strict";var SDPUtils=require("sdp");function sortTracks(tracks){var audioTracks=tracks.filter(function(track){return track.kind==="audio"});var videoTracks=tracks.filter(function(track){return track.kind==="video"});tracks=[];while(audioTracks.length||videoTracks.length){if(audioTracks.length){tracks.push(audioTracks.shift())}if(videoTracks.length){tracks.push(videoTracks.shift())}}return tracks}function filterIceServers(iceServers,edgeVersion){var hasTurn=false;iceServers=JSON.parse(JSON.stringify(iceServers));return iceServers.filter(function(server){if(server&&(server.urls||server.url)){var urls=server.urls||server.url;if(server.url&&!server.urls){console.warn("RTCIceServer.url is deprecated! Use urls instead.")}var isString=typeof urls==="string";if(isString){urls=[urls]}urls=urls.filter(function(url){var validTurn=url.indexOf("turn:")===0&&url.indexOf("transport=udp")!==-1&&url.indexOf("turn:[")===-1&&!hasTurn;if(validTurn){hasTurn=true;return true}return url.indexOf("stun:")===0&&edgeVersion>=14393});delete server.url;server.urls=isString?urls[0]:urls;return!!urls.length}return false})}function getCommonCapabilities(localCapabilities,remoteCapabilities){var commonCapabilities={codecs:[],headerExtensions:[],fecMechanisms:[]};var findCodecByPayloadType=function(pt,codecs){pt=parseInt(pt,10);for(var i=0;i<codecs.length;i++){if(codecs[i].payloadType===pt||codecs[i].preferredPayloadType===pt){return codecs[i]}}};var rtxCapabilityMatches=function(lRtx,rRtx,lCodecs,rCodecs){var lCodec=findCodecByPayloadType(lRtx.parameters.apt,lCodecs);var rCodec=findCodecByPayloadType(rRtx.parameters.apt,rCodecs) +;return lCodec&&rCodec&&lCodec.name.toLowerCase()===rCodec.name.toLowerCase()};localCapabilities.codecs.forEach(function(lCodec){for(var i=0;i<remoteCapabilities.codecs.length;i++){var rCodec=remoteCapabilities.codecs[i];if(lCodec.name.toLowerCase()===rCodec.name.toLowerCase()&&lCodec.clockRate===rCodec.clockRate){if(lCodec.name.toLowerCase()==="rtx"&&lCodec.parameters&&rCodec.parameters.apt){if(!rtxCapabilityMatches(lCodec,rCodec,localCapabilities.codecs,remoteCapabilities.codecs)){continue}}rCodec=JSON.parse(JSON.stringify(rCodec));rCodec.numChannels=Math.min(lCodec.numChannels,rCodec.numChannels);commonCapabilities.codecs.push(rCodec);rCodec.rtcpFeedback=rCodec.rtcpFeedback.filter(function(fb){for(var j=0;j<lCodec.rtcpFeedback.length;j++){if(lCodec.rtcpFeedback[j].type===fb.type&&lCodec.rtcpFeedback[j].parameter===fb.parameter){return true}}return false});break}}});localCapabilities.headerExtensions.forEach(function(lHeaderExtension){for(var i=0;i<remoteCapabilities.headerExtensions.length;i++){var rHeaderExtension=remoteCapabilities.headerExtensions[i];if(lHeaderExtension.uri===rHeaderExtension.uri){commonCapabilities.headerExtensions.push(rHeaderExtension);break}}});return commonCapabilities}function isActionAllowedInSignalingState(action,type,signalingState){return{offer:{setLocalDescription:["stable","have-local-offer"],setRemoteDescription:["stable","have-remote-offer"]},answer:{setLocalDescription:["have-remote-offer","have-local-pranswer"],setRemoteDescription:["have-local-offer","have-remote-pranswer"]}}[type][action].indexOf(signalingState)!==-1}module.exports=function(edgeVersion){var RTCPeerConnection=function(config){var self=this;var _eventTarget=document.createDocumentFragment();["addEventListener","removeEventListener","dispatchEvent"].forEach(function(method){self[method]=_eventTarget[method].bind(_eventTarget)});this.needNegotiation=false;this.onicecandidate=null;this.onaddstream=null;this.ontrack=null;this.onremovestream=null;this.onsignalingstatechange=null;this.oniceconnectionstatechange=null;this.onicegatheringstatechange=null;this.onnegotiationneeded=null;this.ondatachannel=null;this.canTrickleIceCandidates=null;this.localStreams=[];this.remoteStreams=[];this.getLocalStreams=function(){return self.localStreams};this.getRemoteStreams=function(){return self.remoteStreams};this.localDescription=new RTCSessionDescription({type:"",sdp:""});this.remoteDescription=new RTCSessionDescription({type:"",sdp:""});this.signalingState="stable";this.iceConnectionState="new";this.iceGatheringState="new";this.iceOptions={gatherPolicy:"all",iceServers:[]};if(config&&config.iceTransportPolicy){switch(config.iceTransportPolicy){case"all":case"relay":this.iceOptions.gatherPolicy=config.iceTransportPolicy;break;default:break}}this.usingBundle=config&&config.bundlePolicy==="max-bundle";if(config&&config.iceServers){this.iceOptions.iceServers=filterIceServers(config.iceServers,edgeVersion)}this._config=config||{};this.transceivers=[];this._localIceCandidatesBuffer=[]};RTCPeerConnection.prototype._emitGatheringStateChange=function(){var event=new Event("icegatheringstatechange");this.dispatchEvent(event);if(this.onicegatheringstatechange!==null){this.onicegatheringstatechange(event)}};RTCPeerConnection.prototype._emitBufferedCandidates=function(){var self=this;var sections=SDPUtils.splitSections(self.localDescription.sdp);this._localIceCandidatesBuffer.forEach(function(event){var end=!event.candidate||Object.keys(event.candidate).length===0;if(end){for(var j=1;j<sections.length;j++){if(sections[j].indexOf("\r\na=end-of-candidates\r\n")===-1){sections[j]+="a=end-of-candidates\r\n"}}}else{sections[event.candidate.sdpMLineIndex+1]+="a="+event.candidate.candidate+"\r\n"}self.localDescription.sdp=sections.join("");self.dispatchEvent(event);if(self.onicecandidate!==null){self.onicecandidate(event)}if(!event.candidate&&self.iceGatheringState!=="complete"){var complete=self.transceivers.every(function(transceiver){return transceiver.iceGatherer&&transceiver.iceGatherer.state==="completed"});if(complete&&self.iceGatheringStateChange!=="complete"){self.iceGatheringState="complete";self._emitGatheringStateChange()}}});this._localIceCandidatesBuffer=[]};RTCPeerConnection.prototype.getConfiguration=function(){return this._config};RTCPeerConnection.prototype._createTransceiver=function(kind){var hasBundleTransport=this.transceivers.length>0;var transceiver={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:kind,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,wantReceive:true};if(this.usingBundle&&hasBundleTransport){transceiver.iceTransport=this.transceivers[0].iceTransport;transceiver.dtlsTransport=this.transceivers[0].dtlsTransport}else{var transports=this._createIceAndDtlsTransports();transceiver.iceTransport=transports.iceTransport;transceiver.dtlsTransport=transports.dtlsTransport}this.transceivers.push(transceiver);return transceiver};RTCPeerConnection.prototype.addTrack=function(track,stream){var transceiver;for(var i=0;i<this.transceivers.length;i++){if(!this.transceivers[i].track&&this.transceivers[i].kind===track.kind){transceiver=this.transceivers[i]}}if(!transceiver){transceiver=this._createTransceiver(track.kind)}transceiver.track=track;transceiver.stream=stream;transceiver.rtpSender=new RTCRtpSender(track,transceiver.dtlsTransport);this._maybeFireNegotiationNeeded();return transceiver.rtpSender};RTCPeerConnection.prototype.addStream=function(stream){var self=this;if(edgeVersion>=15025){this.localStreams.push(stream);stream.getTracks().forEach(function(track){self.addTrack(track,stream)})}else{var clonedStream=stream.clone();stream.getTracks().forEach(function(track,idx){var clonedTrack=clonedStream.getTracks()[idx];track.addEventListener("enabled",function(event){clonedTrack.enabled=event.enabled})});clonedStream.getTracks().forEach(function(track){self.addTrack(track,clonedStream)});this.localStreams.push(clonedStream)}this._maybeFireNegotiationNeeded()};RTCPeerConnection.prototype.removeStream=function(stream){var idx=this.localStreams.indexOf(stream);if(idx>-1){this.localStreams.splice(idx,1);this._maybeFireNegotiationNeeded()}};RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpSender}).map(function(transceiver){return transceiver.rtpSender})};RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter(function(transceiver){return!!transceiver.rtpReceiver}).map(function(transceiver){return transceiver.rtpReceiver})};RTCPeerConnection.prototype._createIceGatherer=function(mid,sdpMLineIndex){var self=this;var iceGatherer=new RTCIceGatherer(self.iceOptions);iceGatherer.onlocalcandidate=function(evt){var event=new Event("icecandidate");event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate;var end=!cand||Object.keys(cand).length===0;if(end){if(iceGatherer.state===undefined){iceGatherer.state="completed"}}else{cand.component=1;event.candidate.candidate=SDPUtils.writeCandidate(cand)}var sections=SDPUtils.splitSections(self.localDescription.sdp);if(!end){sections[event.candidate.sdpMLineIndex+1]+="a="+event.candidate.candidate+"\r\n"}else{sections[event.candidate.sdpMLineIndex+1]+="a=end-of-candidates\r\n"}self.localDescription.sdp=sections.join("");var transceivers=self._pendingOffer?self._pendingOffer:self.transceivers;var complete=transceivers.every(function(transceiver){return transceiver.iceGatherer&&transceiver.iceGatherer.state==="completed"});switch(self.iceGatheringState){case"new":if(!end){self._localIceCandidatesBuffer.push(event)}if(end&&complete){self._localIceCandidatesBuffer.push(new Event("icecandidate"))}break;case"gathering":self._emitBufferedCandidates();if(!end){self.dispatchEvent(event);if(self.onicecandidate!==null){self.onicecandidate(event)}}if(complete){self.dispatchEvent(new Event("icecandidate"));if(self.onicecandidate!==null){self.onicecandidate(new Event("icecandidate"))}self.iceGatheringState="complete";self._emitGatheringStateChange()}break;case"complete":break;default:break}};return iceGatherer};RTCPeerConnection.prototype._createIceAndDtlsTransports=function(){var self=this;var iceTransport=new RTCIceTransport(null);iceTransport.onicestatechange=function(){self._updateConnectionState()};var dtlsTransport=new RTCDtlsTransport(iceTransport);dtlsTransport.ondtlsstatechange=function(){self._updateConnectionState()};dtlsTransport.onerror=function(){Object.defineProperty(dtlsTransport,"state",{value:"failed",writable:true});self._updateConnectionState()};return{iceTransport:iceTransport,dtlsTransport:dtlsTransport}};RTCPeerConnection.prototype._disposeIceAndDtlsTransports=function(sdpMLineIndex){var iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;if(iceGatherer){delete iceGatherer.onlocalcandidate;delete this.transceivers[sdpMLineIndex].iceGatherer}var iceTransport=this.transceivers[sdpMLineIndex].iceTransport;if(iceTransport){delete iceTransport.onicestatechange;delete this.transceivers[sdpMLineIndex].iceTransport}var dtlsTransport=this.transceivers[sdpMLineIndex].dtlsTransport;if(dtlsTransport){delete dtlsTransport.ondtlssttatechange;delete dtlsTransport.onerror;delete this.transceivers[sdpMLineIndex].dtlsTransport}};RTCPeerConnection.prototype._transceive=function(transceiver,send,recv){var params=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);if(send&&transceiver.rtpSender){params.encodings=transceiver.sendEncodingParameters;params.rtcp={cname:SDPUtils.localCName,compound:transceiver.rtcpParameters.compound};if(transceiver.recvEncodingParameters.length){params.rtcp.ssrc=transceiver.recvEncodingParameters[0].ssrc}transceiver.rtpSender.send(params)}if(recv&&transceiver.rtpReceiver){if(transceiver.kind==="video"&&transceiver.recvEncodingParameters&&edgeVersion<15019){transceiver.recvEncodingParameters.forEach(function(p){delete p.rtx})}params.encodings=transceiver.recvEncodingParameters;params.rtcp={cname:transceiver.rtcpParameters.cname,compound:transceiver.rtcpParameters.compound};if(transceiver.sendEncodingParameters.length){params.rtcp.ssrc=transceiver.sendEncodingParameters[0].ssrc}transceiver.rtpReceiver.receive(params)}};RTCPeerConnection.prototype.setLocalDescription=function(description){var self=this;if(!isActionAllowedInSignalingState("setLocalDescription",description.type,this.signalingState)){var e=new Error("Can not set local "+description.type+" in state "+this.signalingState);e.name="InvalidStateError";if(arguments.length>2&&typeof arguments[2]==="function"){window.setTimeout(arguments[2],0,e)}return Promise.reject(e)}var sections;var sessionpart;if(description.type==="offer"){if(this._pendingOffer){sections=SDPUtils.splitSections(description.sdp);sessionpart=sections.shift();sections.forEach(function(mediaSection,sdpMLineIndex){var caps=SDPUtils.parseRtpParameters(mediaSection);self._pendingOffer[sdpMLineIndex].localCapabilities=caps});this.transceivers=this._pendingOffer;delete this._pendingOffer}}else if(description.type==="answer"){sections=SDPUtils.splitSections(self.remoteDescription.sdp);sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,"a=ice-lite").length>0;sections.forEach(function(mediaSection,sdpMLineIndex){var transceiver=self.transceivers[sdpMLineIndex];var iceGatherer=transceiver.iceGatherer;var iceTransport=transceiver.iceTransport;var dtlsTransport=transceiver.dtlsTransport;var localCapabilities=transceiver.localCapabilities;var remoteCapabilities=transceiver.remoteCapabilities;var rejected=SDPUtils.isRejected(mediaSection);if(!rejected&&!transceiver.isDatachannel){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);var remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);if(isIceLite){remoteDtlsParameters.role="server"}if(!self.usingBundle||sdpMLineIndex===0){iceTransport.start(iceGatherer,remoteIceParameters,isIceLite?"controlling":"controlled");dtlsTransport.start(remoteDtlsParameters)}var params=getCommonCapabilities(localCapabilities,remoteCapabilities);self._transceive(transceiver,params.codecs.length>0,false)}})}this.localDescription={type:description.type,sdp:description.sdp};switch(description.type){case"offer":this._updateSignalingState("have-local-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+description.type+'"')}var hasCallback=arguments.length>1&&typeof arguments[1]==="function";if(hasCallback){var cb=arguments[1];window.setTimeout(function(){cb();if(self.iceGatheringState==="new"){self.iceGatheringState="gathering";self._emitGatheringStateChange()}self._emitBufferedCandidates()},0)}var p=Promise.resolve();p.then(function(){if(!hasCallback){if(self.iceGatheringState==="new"){self.iceGatheringState="gathering";self._emitGatheringStateChange()}window.setTimeout(self._emitBufferedCandidates.bind(self),500)}});return p};RTCPeerConnection.prototype.setRemoteDescription=function(description){var self=this;if(!isActionAllowedInSignalingState("setRemoteDescription",description.type,this.signalingState)){var e=new Error("Can not set remote "+description.type+" in state "+this.signalingState);e.name="InvalidStateError";if(arguments.length>2&&typeof arguments[2]==="function"){window.setTimeout(arguments[2],0,e)}return Promise.reject(e)}var streams={};var receiverList=[];var sections=SDPUtils.splitSections(description.sdp);var sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,"a=ice-lite").length>0;var usingBundle=SDPUtils.matchPrefix(sessionpart,"a=group:BUNDLE ").length>0;this.usingBundle=usingBundle;var iceOptions=SDPUtils.matchPrefix(sessionpart,"a=ice-options:")[0];if(iceOptions){this.canTrickleIceCandidates=iceOptions.substr(14).split(" ").indexOf("trickle")>=0}else{this.canTrickleIceCandidates=false}sections.forEach(function(mediaSection,sdpMLineIndex){var lines=SDPUtils.splitLines(mediaSection);var kind=SDPUtils.getKind(mediaSection);var rejected=SDPUtils.isRejected(mediaSection);var protocol=lines[0].substr(2).split(" ")[2];var direction=SDPUtils.getDirection(mediaSection,sessionpart);var remoteMsid=SDPUtils.parseMsid(mediaSection);var mid=SDPUtils.getMid(mediaSection)||SDPUtils.generateIdentifier();if(kind==="application"&&protocol==="DTLS/SCTP"){self.transceivers[sdpMLineIndex]={mid:mid,isDatachannel:true};return}var transceiver;var iceGatherer;var iceTransport;var dtlsTransport;var rtpReceiver;var sendEncodingParameters;var recvEncodingParameters;var localCapabilities;var track;var remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);var remoteIceParameters;var remoteDtlsParameters;if(!rejected){remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart);remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);remoteDtlsParameters.role="client"}recvEncodingParameters=SDPUtils.parseRtpEncodingParameters(mediaSection);var rtcpParameters=SDPUtils.parseRtcpParameters(mediaSection);var isComplete=SDPUtils.matchPrefix(mediaSection,"a=end-of-candidates",sessionpart).length>0;var cands=SDPUtils.matchPrefix(mediaSection,"a=candidate:").map(function(cand){return SDPUtils.parseCandidate(cand)}).filter(function(cand){return cand.component==="1"||cand.component===1});if(description.type==="offer"&&!rejected){transceiver=self.transceivers[sdpMLineIndex]||self._createTransceiver(kind);transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=usingBundle&&sdpMLineIndex>0?self.transceivers[0].iceGatherer:self._createIceGatherer(mid,sdpMLineIndex)}if(isComplete&&(!usingBundle||sdpMLineIndex===0)){transceiver.iceTransport.setRemoteCandidates(cands)}localCapabilities=RTCRtpReceiver.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=="rtx"})}sendEncodingParameters=[{ssrc:(2*sdpMLineIndex+2)*1001}];if(direction==="sendrecv"||direction==="sendonly"){rtpReceiver=new RTCRtpReceiver(transceiver.dtlsTransport,kind);track=rtpReceiver.track;if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new MediaStream;Object.defineProperty(streams[remoteMsid.stream],"id",{get:function(){return remoteMsid.stream}})}Object.defineProperty(track,"id",{get:function(){return remoteMsid.track}});streams[remoteMsid.stream].addTrack(track);receiverList.push([track,rtpReceiver,streams[remoteMsid.stream]])}else{if(!streams.default){streams.default=new MediaStream}streams.default.addTrack(track);receiverList.push([track,rtpReceiver,streams.default])}}transceiver.localCapabilities=localCapabilities;transceiver.remoteCapabilities=remoteCapabilities;transceiver.rtpReceiver=rtpReceiver;transceiver.rtcpParameters=rtcpParameters;transceiver.sendEncodingParameters=sendEncodingParameters;transceiver.recvEncodingParameters=recvEncodingParameters;self._transceive(self.transceivers[sdpMLineIndex],false,direction==="sendrecv"||direction==="sendonly")}else if(description.type==="answer"&&!rejected){if(usingBundle&&sdpMLineIndex>0){self._disposeIceAndDtlsTransports(sdpMLineIndex);self.transceivers[sdpMLineIndex].iceGatherer=self.transceivers[0].iceGatherer;self.transceivers[sdpMLineIndex].iceTransport=self.transceivers[0].iceTransport;self.transceivers[sdpMLineIndex].dtlsTransport=self.transceivers[0].dtlsTransport;if(self.transceivers[sdpMLineIndex].rtpSender){self.transceivers[sdpMLineIndex].rtpSender.setTransport(self.transceivers[0].dtlsTransport)}if(self.transceivers[sdpMLineIndex].rtpReceiver){self.transceivers[sdpMLineIndex].rtpReceiver.setTransport(self.transceivers[0].dtlsTransport)}}transceiver=self.transceivers[sdpMLineIndex];iceGatherer=transceiver.iceGatherer;iceTransport=transceiver.iceTransport;dtlsTransport=transceiver.dtlsTransport;rtpReceiver=transceiver.rtpReceiver;sendEncodingParameters=transceiver.sendEncodingParameters;localCapabilities=transceiver.localCapabilities;self.transceivers[sdpMLineIndex].recvEncodingParameters=recvEncodingParameters;self.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities;self.transceivers[sdpMLineIndex].rtcpParameters=rtcpParameters;if((isIceLite||isComplete)&&cands.length){iceTransport.setRemoteCandidates(cands)}if(!usingBundle||sdpMLineIndex===0){iceTransport.start(iceGatherer,remoteIceParameters,"controlling");dtlsTransport.start(remoteDtlsParameters)}self._transceive(transceiver,direction==="sendrecv"||direction==="recvonly",direction==="sendrecv"||direction==="sendonly");if(rtpReceiver&&(direction==="sendrecv"||direction==="sendonly")){track=rtpReceiver.track;if(remoteMsid){if(!streams[remoteMsid.stream]){streams[remoteMsid.stream]=new MediaStream}streams[remoteMsid.stream].addTrack(track);receiverList.push([track,rtpReceiver,streams[remoteMsid.stream]])}else{if(!streams.default){streams.default=new MediaStream}streams.default.addTrack(track);receiverList.push([track,rtpReceiver,streams.default])}}else{delete transceiver.rtpReceiver}}});this.remoteDescription={type:description.type,sdp:description.sdp};switch(description.type){case"offer":this._updateSignalingState("have-remote-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+description.type+'"')}Object.keys(streams).forEach(function(sid){var stream=streams[sid];if(stream.getTracks().length){self.remoteStreams.push(stream);var event=new Event("addstream");event.stream=stream;self.dispatchEvent(event);if(self.onaddstream!==null){window.setTimeout(function(){self.onaddstream(event)},0)}receiverList.forEach(function(item){var track=item[0];var receiver=item[1];if(stream.id!==item[2].id){return}var trackEvent=new Event("track");trackEvent.track=track;trackEvent.receiver=receiver;trackEvent.streams=[stream];self.dispatchEvent(trackEvent);if(self.ontrack!==null){window.setTimeout(function(){self.ontrack(trackEvent)},0)}})}});window.setTimeout(function(){if(!(self&&self.transceivers)){return}self.transceivers.forEach(function(transceiver){if(transceiver.iceTransport&&transceiver.iceTransport.state==="new"&&transceiver.iceTransport.getRemoteCandidates().length>0){console.warn("Timeout for addRemoteCandidate. Consider sending "+"an end-of-candidates notification");transceiver.iceTransport.addRemoteCandidate({})}})},4e3);if(arguments.length>1&&typeof arguments[1]==="function"){window.setTimeout(arguments[1],0)}return Promise.resolve()};RTCPeerConnection.prototype.close=function(){this.transceivers.forEach(function(transceiver){if(transceiver.iceTransport){transceiver.iceTransport.stop()}if(transceiver.dtlsTransport){transceiver.dtlsTransport.stop()}if(transceiver.rtpSender){transceiver.rtpSender.stop()}if(transceiver.rtpReceiver){transceiver.rtpReceiver.stop()}});this._updateSignalingState("closed")};RTCPeerConnection.prototype._updateSignalingState=function(newState){this.signalingState=newState;var event=new Event("signalingstatechange");this.dispatchEvent(event);if(this.onsignalingstatechange!==null){this.onsignalingstatechange(event)}};RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var self=this;if(this.signalingState!=="stable"||this.needNegotiation===true){return}this.needNegotiation=true;window.setTimeout(function(){if(self.needNegotiation===false){return}self.needNegotiation=false;var event=new Event("negotiationneeded");self.dispatchEvent(event);if(self.onnegotiationneeded!==null){self.onnegotiationneeded(event)}},0)};RTCPeerConnection.prototype._updateConnectionState=function(){var self=this;var newState;var states={new:0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};this.transceivers.forEach(function(transceiver){states[transceiver.iceTransport.state]++;states[transceiver.dtlsTransport.state]++});states.connected+=states.completed;newState="new";if(states.failed>0){newState="failed"}else if(states.connecting>0||states.checking>0){newState="connecting"}else if(states.disconnected>0){newState="disconnected"}else if(states.new>0){newState="new"}else if(states.connected>0||states.completed>0){newState="connected"}if(newState!==self.iceConnectionState){self.iceConnectionState=newState;var event=new Event("iceconnectionstatechange");this.dispatchEvent(event);if(this.oniceconnectionstatechange!==null){this.oniceconnectionstatechange(event)}}};RTCPeerConnection.prototype.createOffer=function(){var self=this;if(this._pendingOffer){throw new Error("createOffer called while there is a pending offer.")}var offerOptions;if(arguments.length===1&&typeof arguments[0]!=="function"){offerOptions=arguments[0]}else if(arguments.length===3){offerOptions=arguments[2]}var numAudioTracks=this.transceivers.filter(function(t){return t.kind==="audio"}).length;var numVideoTracks=this.transceivers.filter(function(t){return t.kind==="video"}).length;if(offerOptions){if(offerOptions.mandatory||offerOptions.optional){throw new TypeError("Legacy mandatory/optional constraints not supported.")}if(offerOptions.offerToReceiveAudio!==undefined){if(offerOptions.offerToReceiveAudio===true){numAudioTracks=1}else if(offerOptions.offerToReceiveAudio===false){numAudioTracks=0}else{numAudioTracks=offerOptions.offerToReceiveAudio}}if(offerOptions.offerToReceiveVideo!==undefined){if(offerOptions.offerToReceiveVideo===true){numVideoTracks=1}else if(offerOptions.offerToReceiveVideo===false){numVideoTracks=0}else{numVideoTracks=offerOptions.offerToReceiveVideo}}}this.transceivers.forEach(function(transceiver){if(transceiver.kind==="audio"){numAudioTracks--;if(numAudioTracks<0){transceiver.wantReceive=false}}else if(transceiver.kind==="video"){numVideoTracks--;if(numVideoTracks<0){transceiver.wantReceive=false}}});while(numAudioTracks>0||numVideoTracks>0){if(numAudioTracks>0){this._createTransceiver("audio");numAudioTracks--}if(numVideoTracks>0){this._createTransceiver("video");numVideoTracks--}}var transceivers=sortTracks(this.transceivers);var sdp=SDPUtils.writeSessionBoilerplate();transceivers.forEach(function(transceiver,sdpMLineIndex){var track=transceiver.track;var kind=transceiver.kind;var mid=SDPUtils.generateIdentifier();transceiver.mid=mid;if(!transceiver.iceGatherer){transceiver.iceGatherer=self.usingBundle&&sdpMLineIndex>0?transceivers[0].iceGatherer:self._createIceGatherer(mid,sdpMLineIndex)}var localCapabilities=RTCRtpSender.getCapabilities(kind);if(edgeVersion<15019){localCapabilities.codecs=localCapabilities.codecs.filter(function(codec){return codec.name!=="rtx"})}localCapabilities.codecs.forEach(function(codec){if(codec.name==="H264"&&codec.parameters["level-asymmetry-allowed"]===undefined){codec.parameters["level-asymmetry-allowed"]="1"}});var sendEncodingParameters=[{ssrc:(2*sdpMLineIndex+1)*1001}];if(track){if(edgeVersion>=15019&&kind==="video"){sendEncodingParameters[0].rtx={ssrc:(2*sdpMLineIndex+1)*1001+1}}}if(transceiver.wantReceive){transceiver.rtpReceiver=new RTCRtpReceiver(transceiver.dtlsTransport,kind)}transceiver.localCapabilities=localCapabilities;transceiver.sendEncodingParameters=sendEncodingParameters});if(this._config.bundlePolicy!=="max-compat"){sdp+="a=group:BUNDLE "+transceivers.map(function(t){return t.mid}).join(" ")+"\r\n"}sdp+="a=ice-options:trickle\r\n";transceivers.forEach(function(transceiver,sdpMLineIndex){sdp+=SDPUtils.writeMediaSection(transceiver,transceiver.localCapabilities,"offer",transceiver.stream);sdp+="a=rtcp-rsize\r\n"});this._pendingOffer=transceivers;var desc=new RTCSessionDescription({type:"offer",sdp:sdp});if(arguments.length&&typeof arguments[0]==="function"){window.setTimeout(arguments[0],0,desc)}return Promise.resolve(desc)};RTCPeerConnection.prototype.createAnswer=function(){var sdp=SDPUtils.writeSessionBoilerplate();if(this.usingBundle){sdp+="a=group:BUNDLE "+this.transceivers.map(function(t){return t.mid}).join(" ")+"\r\n"}this.transceivers.forEach(function(transceiver,sdpMLineIndex){if(transceiver.isDatachannel){sdp+="m=application 0 DTLS/SCTP 5000\r\n"+"c=IN IP4 0.0.0.0\r\n"+"a=mid:"+transceiver.mid+"\r\n";return}if(transceiver.stream){var localTrack;if(transceiver.kind==="audio"){localTrack=transceiver.stream.getAudioTracks()[0]}else if(transceiver.kind==="video"){localTrack=transceiver.stream.getVideoTracks()[0]}if(localTrack){if(edgeVersion>=15019&&transceiver.kind==="video"){transceiver.sendEncodingParameters[0].rtx={ssrc:(2*sdpMLineIndex+2)*1001+1}}}}var commonCapabilities=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);var hasRtx=commonCapabilities.codecs.filter(function(c){return c.name.toLowerCase()==="rtx"}).length;if(!hasRtx&&transceiver.sendEncodingParameters[0].rtx){delete transceiver.sendEncodingParameters[0].rtx}sdp+=SDPUtils.writeMediaSection(transceiver,commonCapabilities,"answer",transceiver.stream);if(transceiver.rtcpParameters&&transceiver.rtcpParameters.reducedSize){sdp+="a=rtcp-rsize\r\n"}});var desc=new RTCSessionDescription({type:"answer",sdp:sdp});if(arguments.length&&typeof arguments[0]==="function"){window.setTimeout(arguments[0],0,desc)}return Promise.resolve(desc)};RTCPeerConnection.prototype.addIceCandidate=function(candidate){if(!candidate){for(var j=0;j<this.transceivers.length;j++){this.transceivers[j].iceTransport.addRemoteCandidate({});if(this.usingBundle){return Promise.resolve()}}}else{var mLineIndex=candidate.sdpMLineIndex;if(candidate.sdpMid){for(var i=0;i<this.transceivers.length;i++){if(this.transceivers[i].mid===candidate.sdpMid){mLineIndex=i;break}}}var transceiver=this.transceivers[mLineIndex];if(transceiver){var cand=Object.keys(candidate.candidate).length>0?SDPUtils.parseCandidate(candidate.candidate):{};if(cand.protocol==="tcp"&&(cand.port===0||cand.port===9)){return Promise.resolve()}if(cand.component&&!(cand.component==="1"||cand.component===1)){return Promise.resolve()}transceiver.iceTransport.addRemoteCandidate(cand);var sections=SDPUtils.splitSections(this.remoteDescription.sdp);sections[mLineIndex+1]+=(cand.type?candidate.candidate.trim():"a=end-of-candidates")+"\r\n";this.remoteDescription.sdp=sections.join("")}}if(arguments.length>1&&typeof arguments[1]==="function"){window.setTimeout(arguments[1],0)}return Promise.resolve()};RTCPeerConnection.prototype.getStats=function(){var promises=[];this.transceivers.forEach(function(transceiver){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach(function(method){if(transceiver[method]){promises.push(transceiver[method].getStats())}})});var cb=arguments.length>1&&typeof arguments[1]==="function"&&arguments[1];var fixStatsType=function(stat){return{inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[stat.type]||stat.type};return new Promise(function(resolve){var results=new Map;Promise.all(promises).then(function(res){res.forEach(function(result){Object.keys(result).forEach(function(id){result[id].type=fixStatsType(result[id]);results.set(id,result[id])})});if(cb){window.setTimeout(cb,0,results)}resolve(results)})})};return RTCPeerConnection}},{sdp:1}],8:[function(require,module,exports){"use strict";var browserDetails=require("../utils").browserDetails;var firefoxShim={shimOnTrack:function(){if(typeof window==="object"&&window.RTCPeerConnection&&!("ontrack"in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(f){if(this._ontrack){this.removeEventListener("track",this._ontrack);this.removeEventListener("addstream",this._ontrackpoly)}this.addEventListener("track",this._ontrack=f);this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.getTracks().forEach(function(track){var event=new Event("track");event.track=track;event.receiver={track:track};event.streams=[e.stream];this.dispatchEvent(event)}.bind(this))}.bind(this))}})}},shimSourceObject:function(){if(typeof window==="object"){if(window.HTMLMediaElement&&!("srcObject"in window.HTMLMediaElement.prototype)){Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this.mozSrcObject},set:function(stream){this.mozSrcObject=stream}})}}},shimPeerConnection:function(){if(typeof window!=="object"||!(window.RTCPeerConnection||window.mozRTCPeerConnection)){return}if(!window.RTCPeerConnection){window.RTCPeerConnection=function(pcConfig,pcConstraints){if(browserDetails.version<38){if(pcConfig&&pcConfig.iceServers){var newIceServers=[];for(var i=0;i<pcConfig.iceServers.length;i++){var server=pcConfig.iceServers[i];if(server.hasOwnProperty("urls")){for(var j=0;j<server.urls.length;j++){var newServer={url:server.urls[j]};if(server.urls[j].indexOf("turn")===0){newServer.username=server.username;newServer.credential=server.credential}newIceServers.push(newServer)}}else{newIceServers.push(pcConfig.iceServers[i])}}pcConfig.iceServers=newIceServers}}return new mozRTCPeerConnection(pcConfig,pcConstraints)};window.RTCPeerConnection.prototype=mozRTCPeerConnection.prototype;if(mozRTCPeerConnection.generateCertificate){Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return mozRTCPeerConnection.generateCertificate}})}window.RTCSessionDescription=mozRTCSessionDescription;window.RTCIceCandidate=mozRTCIceCandidate}["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){arguments[0]=new(method==="addIceCandidate"?RTCIceCandidate:RTCSessionDescription)(arguments[0]);return nativeMethod.apply(this,arguments)}});var nativeAddIceCandidate=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null)}return Promise.resolve()}return nativeAddIceCandidate.apply(this,arguments)};var makeMapStats=function(stats){ +var map=new Map;Object.keys(stats).forEach(function(key){map.set(key,stats[key]);map[key]=stats[key]});return map};var modernStatsTypes={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"};var nativeGetStats=RTCPeerConnection.prototype.getStats;RTCPeerConnection.prototype.getStats=function(selector,onSucc,onErr){return nativeGetStats.apply(this,[selector||null]).then(function(stats){if(browserDetails.version<48){stats=makeMapStats(stats)}if(browserDetails.version<53&&!onSucc){try{stats.forEach(function(stat){stat.type=modernStatsTypes[stat.type]||stat.type})}catch(e){if(e.name!=="TypeError"){throw e}stats.forEach(function(stat,i){stats.set(i,Object.assign({},stat,{type:modernStatsTypes[stat.type]||stat.type}))})}}return stats}).then(onSucc,onErr)}}};module.exports={shimOnTrack:firefoxShim.shimOnTrack,shimSourceObject:firefoxShim.shimSourceObject,shimPeerConnection:firefoxShim.shimPeerConnection,shimGetUserMedia:require("./getusermedia")}},{"../utils":11,"./getusermedia":9}],9:[function(require,module,exports){"use strict";var logging=require("../utils").log;var browserDetails=require("../utils").browserDetails;module.exports=function(){var shimError_=function(e){return{name:{InternalError:"NotReadableError",NotSupportedError:"TypeError",PermissionDeniedError:"NotAllowedError",SecurityError:"NotAllowedError"}[e.name]||e.name,message:{"The operation is insecure.":"The request is not allowed by the "+"user agent or the platform in the current context."}[e.message]||e.message,constraint:e.constraint,toString:function(){return this.name+(this.message&&": ")+this.message}}};var getUserMedia_=function(constraints,onSuccess,onError){var constraintsToFF37_=function(c){if(typeof c!=="object"||c.require){return c}var require=[];Object.keys(c).forEach(function(key){if(key==="require"||key==="advanced"||key==="mediaSource"){return}var r=c[key]=typeof c[key]==="object"?c[key]:{ideal:c[key]};if(r.min!==undefined||r.max!==undefined||r.exact!==undefined){require.push(key)}if(r.exact!==undefined){if(typeof r.exact==="number"){r.min=r.max=r.exact}else{c[key]=r.exact}delete r.exact}if(r.ideal!==undefined){c.advanced=c.advanced||[];var oc={};if(typeof r.ideal==="number"){oc[key]={min:r.ideal,max:r.ideal}}else{oc[key]=r.ideal}c.advanced.push(oc);delete r.ideal;if(!Object.keys(r).length){delete c[key]}}});if(require.length){c.require=require}return c};constraints=JSON.parse(JSON.stringify(constraints));if(browserDetails.version<38){logging("spec: "+JSON.stringify(constraints));if(constraints.audio){constraints.audio=constraintsToFF37_(constraints.audio)}if(constraints.video){constraints.video=constraintsToFF37_(constraints.video)}logging("ff37: "+JSON.stringify(constraints))}return navigator.mozGetUserMedia(constraints,onSuccess,function(e){onError(shimError_(e))})};var getUserMediaPromise_=function(constraints){return new Promise(function(resolve,reject){getUserMedia_(constraints,resolve,reject)})};if(!navigator.mediaDevices){navigator.mediaDevices={getUserMedia:getUserMediaPromise_,addEventListener:function(){},removeEventListener:function(){}}}navigator.mediaDevices.enumerateDevices=navigator.mediaDevices.enumerateDevices||function(){return new Promise(function(resolve){var infos=[{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}];resolve(infos)})};if(browserDetails.version<41){var orgEnumerateDevices=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return orgEnumerateDevices().then(undefined,function(e){if(e.name==="NotFoundError"){return[]}throw e})}}if(browserDetails.version<49){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).then(function(stream){if(c.audio&&!stream.getAudioTracks().length||c.video&&!stream.getVideoTracks().length){stream.getTracks().forEach(function(track){track.stop()});throw new DOMException("The object can not be found here.","NotFoundError")}return stream},function(e){return Promise.reject(shimError_(e))})}}navigator.getUserMedia=function(constraints,onSuccess,onError){if(browserDetails.version<44){return getUserMedia_(constraints,onSuccess,onError)}console.warn("navigator.getUserMedia has been replaced by "+"navigator.mediaDevices.getUserMedia");navigator.mediaDevices.getUserMedia(constraints).then(onSuccess,onError)}}},{"../utils":11}],10:[function(require,module,exports){"use strict";var safariShim={shimAddStream:function(){if(typeof window==="object"&&window.RTCPeerConnection&&!("addStream"in window.RTCPeerConnection.prototype)){RTCPeerConnection.prototype.addStream=function(stream){var self=this;stream.getTracks().forEach(function(track){self.addTrack(track,stream)})}}},shimOnAddStream:function(){if(typeof window==="object"&&window.RTCPeerConnection&&!("onaddstream"in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,"onaddstream",{get:function(){return this._onaddstream},set:function(f){if(this._onaddstream){this.removeEventListener("addstream",this._onaddstream);this.removeEventListener("track",this._onaddstreampoly)}this.addEventListener("addstream",this._onaddstream=f);this.addEventListener("track",this._onaddstreampoly=function(e){var stream=e.streams[0];if(!this._streams){this._streams=[]}if(this._streams.indexOf(stream)>=0){return}this._streams.push(stream);var event=new Event("addstream");event.stream=e.streams[0];this.dispatchEvent(event)}.bind(this))}})}},shimCallbacksAPI:function(){if(typeof window!=="object"||!window.RTCPeerConnection){return}var prototype=RTCPeerConnection.prototype;var createOffer=prototype.createOffer;var createAnswer=prototype.createAnswer;var setLocalDescription=prototype.setLocalDescription;var setRemoteDescription=prototype.setRemoteDescription;var addIceCandidate=prototype.addIceCandidate;prototype.createOffer=function(successCallback,failureCallback){var options=arguments.length>=2?arguments[2]:arguments[0];var promise=createOffer.apply(this,[options]);if(!failureCallback){return promise}promise.then(successCallback,failureCallback);return Promise.resolve()};prototype.createAnswer=function(successCallback,failureCallback){var options=arguments.length>=2?arguments[2]:arguments[0];var promise=createAnswer.apply(this,[options]);if(!failureCallback){return promise}promise.then(successCallback,failureCallback);return Promise.resolve()};var withCallback=function(description,successCallback,failureCallback){var promise=setLocalDescription.apply(this,[description]);if(!failureCallback){return promise}promise.then(successCallback,failureCallback);return Promise.resolve()};prototype.setLocalDescription=withCallback;withCallback=function(description,successCallback,failureCallback){var promise=setRemoteDescription.apply(this,[description]);if(!failureCallback){return promise}promise.then(successCallback,failureCallback);return Promise.resolve()};prototype.setRemoteDescription=withCallback;withCallback=function(candidate,successCallback,failureCallback){var promise=addIceCandidate.apply(this,[candidate]);if(!failureCallback){return promise}promise.then(successCallback,failureCallback);return Promise.resolve()};prototype.addIceCandidate=withCallback},shimGetUserMedia:function(){if(!navigator.getUserMedia){if(navigator.webkitGetUserMedia){navigator.getUserMedia=navigator.webkitGetUserMedia.bind(navigator)}else if(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){navigator.getUserMedia=function(constraints,cb,errcb){navigator.mediaDevices.getUserMedia(constraints).then(cb,errcb)}.bind(navigator)}}}};module.exports={shimCallbacksAPI:safariShim.shimCallbacksAPI,shimAddStream:safariShim.shimAddStream,shimOnAddStream:safariShim.shimOnAddStream,shimGetUserMedia:safariShim.shimGetUserMedia}},{}],11:[function(require,module,exports){"use strict";var logDisabled_=true;var utils={disableLog:function(bool){if(typeof bool!=="boolean"){return new Error("Argument type: "+typeof bool+". Please use a boolean.")}logDisabled_=bool;return bool?"adapter.js logging disabled":"adapter.js logging enabled"},log:function(){if(typeof window==="object"){if(logDisabled_){return}if(typeof console!=="undefined"&&typeof console.log==="function"){console.log.apply(console,arguments)}}},extractVersion:function(uastring,expr,pos){var match=uastring.match(expr);return match&&match.length>=pos&&parseInt(match[pos],10)},detectBrowser:function(){var result={};result.browser=null;result.version=null;if(typeof window==="undefined"||!window.navigator){result.browser="Not a browser.";return result}if(navigator.mozGetUserMedia){result.browser="firefox";result.version=this.extractVersion(navigator.userAgent,/Firefox\/(\d+)\./,1)}else if(navigator.webkitGetUserMedia){if(window.webkitRTCPeerConnection){result.browser="chrome";result.version=this.extractVersion(navigator.userAgent,/Chrom(e|ium)\/(\d+)\./,2)}else{if(navigator.userAgent.match(/Version\/(\d+).(\d+)/)){result.browser="safari";result.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1)}else{result.browser="Unsupported webkit-based browser "+"with GUM support but no WebRTC support.";return result}}}else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)){result.browser="edge";result.version=this.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2)}else if(navigator.mediaDevices&&navigator.userAgent.match(/AppleWebKit\/(\d+)\./)){result.browser="safari";result.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1)}else{result.browser="Not a supported browser.";return result}return result},shimCreateObjectURL:function(){if(!(typeof window==="object"&&window.HTMLMediaElement&&"srcObject"in window.HTMLMediaElement.prototype)){return undefined}var nativeCreateObjectURL=URL.createObjectURL.bind(URL);var nativeRevokeObjectURL=URL.revokeObjectURL.bind(URL);var streams=new Map,newId=0;URL.createObjectURL=function(stream){if("getTracks"in stream){var url="polyblob:"+ ++newId;streams.set(url,stream);console.log("URL.createObjectURL(stream) is deprecated! "+"Use elem.srcObject = stream instead!");return url}return nativeCreateObjectURL(stream)};URL.revokeObjectURL=function(url){nativeRevokeObjectURL(url);streams.delete(url)};var dsc=Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,"src");Object.defineProperty(window.HTMLMediaElement.prototype,"src",{get:function(){return dsc.get.apply(this)},set:function(url){this.srcObject=streams.get(url)||null;return dsc.set.apply(this,[url])}});var nativeSetAttribute=HTMLMediaElement.prototype.setAttribute;HTMLMediaElement.prototype.setAttribute=function(){if(arguments.length===2&&(""+arguments[0]).toLowerCase()==="src"){this.srcObject=streams.get(arguments[1])||null}return nativeSetAttribute.apply(this,arguments)}}};module.exports={log:utils.log,disableLog:utils.disableLog,browserDetails:utils.detectBrowser(),extractVersion:utils.extractVersion,shimCreateObjectURL:utils.shimCreateObjectURL,detectBrowser:utils.detectBrowser.bind(utils)}},{}]},{},[2])(2)}); |