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i},r.writeIceParameters=function(e){return"a=ice-ufrag:"+e.usernameFragment+"\r\na=ice-pwd:"+e.password+"\r\n"},r.parseRtpParameters=function(e){for(var t={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},n=r.splitLines(e),i=n[0].split(" "),o=3;o<i.length;o++){var a=i[o],s=r.matchPrefix(e,"a=rtpmap:"+a+" ")[0];if(s){var c=r.parseRtpMap(s),d=r.matchPrefix(e,"a=fmtp:"+a+" ");switch(c.parameters=d.length?r.parseFmtp(d[0]):{},c.rtcpFeedback=r.matchPrefix(e,"a=rtcp-fb:"+a+" ").map(r.parseRtcpFb),t.codecs.push(c),c.name.toUpperCase()){case"RED":case"ULPFEC":t.fecMechanisms.push(c.name.toUpperCase())}}}return r.matchPrefix(e,"a=extmap:").forEach(function(e){t.headerExtensions.push(r.parseExtmap(e))}),t},r.writeRtpDescription=function(e,t){var n="";n+="m="+e+" ",n+=t.codecs.length>0?"9":"0",n+=" UDP/TLS/RTP/SAVPF ",n+=t.codecs.map(function(e){return void 0!==e.preferredPayloadType?e.preferredPayloadType:e.payloadType}).join(" ")+"\r\n",n+="c=IN IP4 0.0.0.0\r\n",n+="a=rtcp:9 IN IP4 0.0.0.0\r\n",t.codecs.forEach(function(e){n+=r.writeRtpMap(e),n+=r.writeFmtp(e),n+=r.writeRtcpFb(e)});var i=0;return t.codecs.forEach(function(e){e.maxptime>i&&(i=e.maxptime)}),i>0&&(n+="a=maxptime:"+i+"\r\n"),n+="a=rtcp-mux\r\n",t.headerExtensions.forEach(function(e){n+=r.writeExtmap(e)}),n},r.parseRtpEncodingParameters=function(e){var t,n=[],i=r.parseRtpParameters(e),o=i.fecMechanisms.indexOf("RED")!==-1,a=i.fecMechanisms.indexOf("ULPFEC")!==-1,s=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute}),c=s.length>0&&s[0].ssrc,d=r.matchPrefix(e,"a=ssrc-group:FID").map(function(e){var t=e.split(" ");return t.shift(),t.map(function(e){return parseInt(e,10)})});d.length>0&&d[0].length>1&&d[0][0]===c&&(t=d[0][1]),i.codecs.forEach(function(e){if("RTX"===e.name.toUpperCase()&&e.parameters.apt){var r={ssrc:c,codecPayloadType:parseInt(e.parameters.apt,10),rtx:{ssrc:t}};n.push(r),o&&(r=JSON.parse(JSON.stringify(r)),r.fec={ssrc:t,mechanism:a?"red+ulpfec":"red"},n.push(r))}}),0===n.length&&c&&n.push({ssrc:c});var u=r.matchPrefix(e,"b=");return u.length&&(0===u[0].indexOf("b=TIAS:")?u=parseInt(u[0].substr(7),10):0===u[0].indexOf("b=AS:")&&(u=parseInt(u[0].substr(5),10)),n.forEach(function(e){e.maxBitrate=u})),n},r.parseRtcpParameters=function(e){var t={},n=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute})[0];n&&(t.cname=n.value,t.ssrc=n.ssrc);var i=r.matchPrefix(e,"a=rtcp-rsize");t.reducedSize=i.length>0,t.compound=0===i.length;var o=r.matchPrefix(e,"a=rtcp-mux");return t.mux=o.length>0,t},r.parseMsid=function(e){var t,n=r.matchPrefix(e,"a=msid:");if(1===n.length)return t=n[0].substr(7).split(" "),{stream:t[0],track:t[1]};var i=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"msid"===e.attribute});return i.length>0?(t=i[0].value.split(" "),{stream:t[0],track:t[1]}):void 0},r.writeSessionBoilerplate=function(){return"v=0\r\no=thisisadapterortc 8169639915646943137 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},r.writeMediaSection=function(e,t,n,i){var o=r.writeRtpDescription(e.kind,t);if(o+=r.writeIceParameters(e.iceGatherer.getLocalParameters()),o+=r.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===n?"actpass":"active"),o+="a=mid:"+e.mid+"\r\n",o+=e.direction?"a="+e.direction+"\r\n":e.rtpSender&&e.rtpReceiver?"a=sendrecv\r\n":e.rtpSender?"a=sendonly\r\n":e.rtpReceiver?"a=recvonly\r\n":"a=inactive\r\n",e.rtpSender){var a="msid:"+i.id+" "+e.rtpSender.track.id+"\r\n";o+="a="+a,o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+a,e.sendEncodingParameters[0].rtx&&(o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+a,o+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+r.localCName+"\r\n",e.rtpSender&&e.sendEncodingParameters[0].rtx&&(o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+r.localCName+"\r\n"),o},r.getDirection=function(e,t){for(var n=r.splitLines(e),i=0;i<n.length;i++)switch(n[i]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return n[i].substr(2)}return t?r.getDirection(t):"sendrecv"},r.getKind=function(e){var t=r.splitLines(e),n=t[0].split(" ");return n[0].substr(2)},r.isRejected=function(e){return"0"===e.split(" ",2)[1]},e.exports=r},function(e,t,r){"use strict";!function(){var t=r(1),n=t.log,i=t.browserDetails;e.exports.browserDetails=i,e.exports.extractVersion=t.extractVersion,e.exports.disableLog=t.disableLog;var o=r(7)||null,a=r(9)||null,s=r(12)||null,c=r(14)||null;switch(i.browser){case"chrome":if(!o||!o.shimPeerConnection)return void n("Chrome shim is not included in this adapter 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Event("track");i.track=r.track,i.receiver=n,i.streams=[e.stream],t.dispatchEvent(i)}),e.stream.getTracks().forEach(function(r){var n;n=RTCPeerConnection.prototype.getReceivers?t.getReceivers().find(function(e){return e.track.id===r.id}):{track:r};var i=new Event("track");i.track=r,i.receiver=n,i.streams=[e.stream],this.dispatchEvent(i)}.bind(this))}.bind(this))}})},shimGetSendersWithDtmf:function(){if("object"==typeof window&&window.RTCPeerConnection&&!("getSenders"in RTCPeerConnection.prototype)&&"createDTMFSender"in RTCPeerConnection.prototype){RTCPeerConnection.prototype.getSenders=function(){return this._senders||[]};var e=RTCPeerConnection.prototype.addStream,t=RTCPeerConnection.prototype.removeStream;RTCPeerConnection.prototype.addTrack||(RTCPeerConnection.prototype.addTrack=function(e,t){var r=this;if("closed"===r.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");var n=[].slice.call(arguments,1);if(1!==n.length||!n[0].getTracks().find(function(t){return t===e}))throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError");r._senders=r._senders||[];var i=r._senders.find(function(t){return t.track===e});if(i)throw new DOMException("Track already exists.","InvalidAccessError");r._streams=r._streams||{};var o=r._streams[t.id];if(o)o.addTrack(e),r.removeStream(o),r.addStream(o);else{var a=new MediaStream([e]);r._streams[t.id]=a,r.addStream(a)}var s={track:e,get dtmf(){return void 0===this._dtmf&&("audio"===e.kind?this._dtmf=r.createDTMFSender(e):this._dtmf=null),this._dtmf}};return r._senders.push(s),s}),RTCPeerConnection.prototype.addStream=function(t){var r=this;r._senders=r._senders||[],e.apply(r,[t]),t.getTracks().forEach(function(e){r._senders.push({track:e,get dtmf(){return void 0===this._dtmf&&("audio"===e.kind?this._dtmf=r.createDTMFSender(e):this._dtmf=null),this._dtmf}})})},RTCPeerConnection.prototype.removeStream=function(e){var r=this;r._senders=r._senders||[],t.apply(r,[e]),e.getTracks().forEach(function(e){var t=r._senders.find(function(t){return t.track===e});t&&r._senders.splice(r._senders.indexOf(t),1)})}}},shimSourceObject:function(){"object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this._srcObject},set:function(e){var t=this;return this._srcObject=e,this.src&&URL.revokeObjectURL(this.src),e?(this.src=URL.createObjectURL(e),e.addEventListener("addtrack",function(){t.src&&URL.revokeObjectURL(t.src),t.src=URL.createObjectURL(e)}),void e.addEventListener("removetrack",function(){t.src&&URL.revokeObjectURL(t.src),t.src=URL.createObjectURL(e)})):void(this.src="")}}))},shimPeerConnection:function(){if(window.RTCPeerConnection){var e=RTCPeerConnection;window.RTCPeerConnection=function(t,r){if(t&&t.iceServers){for(var n=[],i=0;i<t.iceServers.length;i++){var o=t.iceServers[i];!o.hasOwnProperty("urls")&&o.hasOwnProperty("url")?(console.warn("RTCIceServer.url is deprecated! Use urls instead."),o=JSON.parse(JSON.stringify(o)),o.urls=o.url,n.push(o)):n.push(t.iceServers[i])}t.iceServers=n}return new e(t,r)},window.RTCPeerConnection.prototype=e.prototype,Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return e.generateCertificate}})}else window.RTCPeerConnection=function(e,t){return n("PeerConnection"),e&&e.iceTransportPolicy&&(e.iceTransports=e.iceTransportPolicy),new webkitRTCPeerConnection(e,t)},window.RTCPeerConnection.prototype=webkitRTCPeerConnection.prototype,webkitRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return webkitRTCPeerConnection.generateCertificate}});var t=RTCPeerConnection.prototype.getStats;RTCPeerConnection.prototype.getStats=function(e,r,n){var i=this,o=arguments;if(arguments.length>0&&"function"==typeof e)return t.apply(this,arguments);if(0===t.length&&(0===arguments.length||"function"!=typeof arguments[0]))return t.apply(this,[]);var a=function(e){var t={},r=e.result();return r.forEach(function(e){var r={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach(function(t){r[t]=e.stat(t)}),t[r.id]=r}),t},s=function(e){return new Map(Object.keys(e).map(function(t){return[t,e[t]]}))};if(arguments.length>=2){var c=function(e){o[1](s(a(e)))};return t.apply(this,[c,arguments[0]])}return new Promise(function(e,r){t.apply(i,[function(t){e(s(a(t)))},r])}).then(r,n)},i.version<51&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(e){var t=RTCPeerConnection.prototype[e];RTCPeerConnection.prototype[e]=function(){var e=arguments,r=this,n=new Promise(function(n,i){t.apply(r,[e[0],n,i])});return e.length<2?n:n.then(function(){e[1].apply(null,[])},function(t){e.length>=3&&e[2].apply(null,[t])})}}),i.version<52&&["createOffer","createAnswer"].forEach(function(e){var t=RTCPeerConnection.prototype[e];RTCPeerConnection.prototype[e]=function(){var e=this;if(arguments.length<1||1===arguments.length&&"object"==typeof arguments[0]){var r=1===arguments.length?arguments[0]:void 0;return new Promise(function(n,i){t.apply(e,[n,i,r])})}return t.apply(this,arguments)}}),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(e){var t=RTCPeerConnection.prototype[e];RTCPeerConnection.prototype[e]=function(){return arguments[0]=new("addIceCandidate"===e?RTCIceCandidate:RTCSessionDescription)(arguments[0]),t.apply(this,arguments)}});var r=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?r.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())}}};e.exports={shimMediaStream:o.shimMediaStream,shimOnTrack:o.shimOnTrack,shimGetSendersWithDtmf:o.shimGetSendersWithDtmf,shimSourceObject:o.shimSourceObject,shimPeerConnection:o.shimPeerConnection,shimGetUserMedia:r(8)}},function(e,t,r){"use strict";var n=r(1).log,i=r(1).browserDetails;e.exports=function(){var e=function(e){if("object"!=typeof e||e.mandatory||e.optional)return e;var t={};return Object.keys(e).forEach(function(r){if("require"!==r&&"advanced"!==r&&"mediaSource"!==r){var n="object"==typeof e[r]?e[r]:{ideal:e[r]};void 0!==n.exact&&"number"==typeof n.exact&&(n.min=n.max=n.exact);var i=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==n.ideal){t.optional=t.optional||[];var o={};"number"==typeof n.ideal?(o[i("min",r)]=n.ideal,t.optional.push(o),o={},o[i("max",r)]=n.ideal,t.optional.push(o)):(o[i("",r)]=n.ideal,t.optional.push(o))}void 0!==n.exact&&"number"!=typeof n.exact?(t.mandatory=t.mandatory||{},t.mandatory[i("",r)]=n.exact):["min","max"].forEach(function(e){void 0!==n[e]&&(t.mandatory=t.mandatory||{},t.mandatory[i(e,r)]=n[e])})}}),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},t=function(t,r){if(t=JSON.parse(JSON.stringify(t)),t&&t.audio&&(t.audio=e(t.audio)),t&&"object"==typeof t.video){var o=t.video.facingMode;o=o&&("object"==typeof o?o:{ideal:o});var a=i.version<61;if(o&&("user"===o.exact||"environment"===o.exact||"user"===o.ideal||"environment"===o.ideal)&&(!navigator.mediaDevices.getSupportedConstraints||!navigator.mediaDevices.getSupportedConstraints().facingMode||a)){delete t.video.facingMode;var s;if("environment"===o.exact||"environment"===o.ideal?s=["back","rear"]:"user"!==o.exact&&"user"!==o.ideal||(s=["front"]),s)return navigator.mediaDevices.enumerateDevices().then(function(i){i=i.filter(function(e){return"videoinput"===e.kind});var a=i.find(function(e){return s.some(function(t){return e.label.toLowerCase().indexOf(t)!==-1})});return!a&&i.length&&s.indexOf("back")!==-1&&(a=i[i.length-1]),a&&(t.video.deviceId=o.exact?{exact:a.deviceId}:{ideal:a.deviceId}),t.video=e(t.video),n("chrome: "+JSON.stringify(t)),r(t)})}t.video=e(t.video)}return n("chrome: "+JSON.stringify(t)),r(t)},r=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}}},o=function(e,n,i){t(e,function(e){navigator.webkitGetUserMedia(e,n,function(e){i(r(e))})})};navigator.getUserMedia=o;var a=function(e){return new Promise(function(t,r){navigator.getUserMedia(e,t,r)})};if(navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:a,enumerateDevices:function(){return new Promise(function(e){var t={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(r){e(r.map(function(e){return{label:e.label,kind:t[e.kind],deviceId:e.id,groupId:""}}))})})},getSupportedConstraints:function(){return{deviceId:!0,echoCancellation:!0,facingMode:!0,frameRate:!0,height:!0,width:!0}}}),navigator.mediaDevices.getUserMedia){var s=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(e){return t(e,function(e){return s(e).then(function(t){if(e.audio&&!t.getAudioTracks().length||e.video&&!t.getVideoTracks().length)throw t.getTracks().forEach(function(e){e.stop()}),new DOMException("","NotFoundError");return t},function(e){return Promise.reject(r(e))})})}}else navigator.mediaDevices.getUserMedia=function(e){return a(e)};"undefined"==typeof navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){n("Dummy mediaDevices.addEventListener called.")}),"undefined"==typeof navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){n("Dummy mediaDevices.removeEventListener called.")})}},function(e,t,r){"use strict";var n=r(1).browserDetails,i=r(11);e.exports={shimGetUserMedia:r(10),shimPeerConnection:function(){if(window.RTCIceGatherer&&(window.RTCIceCandidate||(window.RTCIceCandidate=function(e){return e}),window.RTCSessionDescription||(window.RTCSessionDescription=function(e){return e}),n.version<15025)){var e=Object.getOwnPropertyDescriptor(MediaStreamTrack.prototype,"enabled");Object.defineProperty(MediaStreamTrack.prototype,"enabled",{set:function(t){e.set.call(this,t);var r=new Event("enabled");r.enabled=t,this.dispatchEvent(r)}})}window.RTCPeerConnection=i(n.version)},shimReplaceTrack:function(){!window.RTCRtpSender||"replaceTrack"in RTCRtpSender.prototype||(RTCRtpSender.prototype.replaceTrack=RTCRtpSender.prototype.setTrack)}}},function(e,t){"use strict";e.exports=function(){var e=function(e){return{name:{PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name}}},t=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(r){return t(r).catch(function(t){
return Promise.reject(e(t))})}}},function(e,t,r){"use strict";function n(e){var t=e.filter(function(e){return"audio"===e.kind}),r=e.filter(function(e){return"video"===e.kind});for(e=[];t.length||r.length;)t.length&&e.push(t.shift()),r.length&&e.push(r.shift());return e}function i(e,t){var r=!1;return e=JSON.parse(JSON.stringify(e)),e.filter(function(e){if(e&&(e.urls||e.url)){var n=e.urls||e.url;e.url&&!e.urls&&console.warn("RTCIceServer.url is deprecated! Use urls instead.");var i="string"==typeof n;return i&&(n=[n]),n=n.filter(function(e){var n=0===e.indexOf("turn:")&&e.indexOf("transport=udp")!==-1&&e.indexOf("turn:[")===-1&&!r;return n?(r=!0,!0):0===e.indexOf("stun:")&&t>=14393}),delete e.url,e.urls=i?n[0]:n,!!n.length}return!1})}function o(e,t){var r={codecs:[],headerExtensions:[],fecMechanisms:[]},n=function(e,t){e=parseInt(e,10);for(var r=0;r<t.length;r++)if(t[r].payloadType===e||t[r].preferredPayloadType===e)return t[r]},i=function(e,t,r,i){var o=n(e.parameters.apt,r),a=n(t.parameters.apt,i);return o&&a&&o.name.toLowerCase()===a.name.toLowerCase()};return e.codecs.forEach(function(n){for(var o=0;o<t.codecs.length;o++){var a=t.codecs[o];if(n.name.toLowerCase()===a.name.toLowerCase()&&n.clockRate===a.clockRate){if("rtx"===n.name.toLowerCase()&&n.parameters&&a.parameters.apt&&!i(n,a,e.codecs,t.codecs))continue;a=JSON.parse(JSON.stringify(a)),a.numChannels=Math.min(n.numChannels,a.numChannels),r.codecs.push(a),a.rtcpFeedback=a.rtcpFeedback.filter(function(e){for(var t=0;t<n.rtcpFeedback.length;t++)if(n.rtcpFeedback[t].type===e.type&&n.rtcpFeedback[t].parameter===e.parameter)return!0;return!1});break}}}),e.headerExtensions.forEach(function(e){for(var n=0;n<t.headerExtensions.length;n++){var i=t.headerExtensions[n];if(e.uri===i.uri){r.headerExtensions.push(i);break}}}),r}function a(e,t,r){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"]}}[t][e].indexOf(r)!==-1}var s=r(5);e.exports=function(e){var t=function(t){var r=this,n=document.createDocumentFragment();if(["addEventListener","removeEventListener","dispatchEvent"].forEach(function(e){r[e]=n[e].bind(n)}),this.needNegotiation=!1,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 r.localStreams},this.getRemoteStreams=function(){return r.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:[]},t&&t.iceTransportPolicy)switch(t.iceTransportPolicy){case"all":case"relay":this.iceOptions.gatherPolicy=t.iceTransportPolicy}this.usingBundle=t&&"max-bundle"===t.bundlePolicy,t&&t.iceServers&&(this.iceOptions.iceServers=i(t.iceServers,e)),this._config=t||{},this.transceivers=[],this._localIceCandidatesBuffer=[]};return t.prototype._emitGatheringStateChange=function(){var e=new Event("icegatheringstatechange");this.dispatchEvent(e),null!==this.onicegatheringstatechange&&this.onicegatheringstatechange(e)},t.prototype._emitBufferedCandidates=function(){var e=this,t=s.splitSections(e.localDescription.sdp);this._localIceCandidatesBuffer.forEach(function(r){var n=!r.candidate||0===Object.keys(r.candidate).length;if(n)for(var i=1;i<t.length;i++)t[i].indexOf("\r\na=end-of-candidates\r\n")===-1&&(t[i]+="a=end-of-candidates\r\n");else t[r.candidate.sdpMLineIndex+1]+="a="+r.candidate.candidate+"\r\n";if(e.localDescription.sdp=t.join(""),e.dispatchEvent(r),null!==e.onicecandidate&&e.onicecandidate(r),!r.candidate&&"complete"!==e.iceGatheringState){var o=e.transceivers.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state});o&&"complete"!==e.iceGatheringStateChange&&(e.iceGatheringState="complete",e._emitGatheringStateChange())}}),this._localIceCandidatesBuffer=[]},t.prototype.getConfiguration=function(){return this._config},t.prototype._createTransceiver=function(e){var t=this.transceivers.length>0,r={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:e,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,wantReceive:!0};if(this.usingBundle&&t)r.iceTransport=this.transceivers[0].iceTransport,r.dtlsTransport=this.transceivers[0].dtlsTransport;else{var n=this._createIceAndDtlsTransports();r.iceTransport=n.iceTransport,r.dtlsTransport=n.dtlsTransport}return this.transceivers.push(r),r},t.prototype.addTrack=function(e,t){for(var r,n=0;n<this.transceivers.length;n++)this.transceivers[n].track||this.transceivers[n].kind!==e.kind||(r=this.transceivers[n]);return r||(r=this._createTransceiver(e.kind)),r.track=e,r.stream=t,r.rtpSender=new RTCRtpSender(e,r.dtlsTransport),this._maybeFireNegotiationNeeded(),r.rtpSender},t.prototype.addStream=function(t){var r=this;if(e>=15025)this.localStreams.push(t),t.getTracks().forEach(function(e){r.addTrack(e,t)});else{var n=t.clone();t.getTracks().forEach(function(e,t){var r=n.getTracks()[t];e.addEventListener("enabled",function(e){r.enabled=e.enabled})}),n.getTracks().forEach(function(e){r.addTrack(e,n)}),this.localStreams.push(n)}this._maybeFireNegotiationNeeded()},t.prototype.removeStream=function(e){var t=this.localStreams.indexOf(e);t>-1&&(this.localStreams.splice(t,1),this._maybeFireNegotiationNeeded())},t.prototype.getSenders=function(){return this.transceivers.filter(function(e){return!!e.rtpSender}).map(function(e){return e.rtpSender})},t.prototype.getReceivers=function(){return this.transceivers.filter(function(e){return!!e.rtpReceiver}).map(function(e){return e.rtpReceiver})},t.prototype._createIceGatherer=function(e,t){var r=this,n=new RTCIceGatherer(r.iceOptions);return n.onlocalcandidate=function(i){var o=new Event("icecandidate");o.candidate={sdpMid:e,sdpMLineIndex:t};var a=i.candidate,c=!a||0===Object.keys(a).length;c?void 0===n.state&&(n.state="completed"):(a.component=1,o.candidate.candidate=s.writeCandidate(a));var d=s.splitSections(r.localDescription.sdp);c?d[o.candidate.sdpMLineIndex+1]+="a=end-of-candidates\r\n":d[o.candidate.sdpMLineIndex+1]+="a="+o.candidate.candidate+"\r\n",r.localDescription.sdp=d.join("");var u=r._pendingOffer?r._pendingOffer:r.transceivers,f=u.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state});switch(r.iceGatheringState){case"new":c||r._localIceCandidatesBuffer.push(o),c&&f&&r._localIceCandidatesBuffer.push(new Event("icecandidate"));break;case"gathering":r._emitBufferedCandidates(),c||(r.dispatchEvent(o),null!==r.onicecandidate&&r.onicecandidate(o)),f&&(r.dispatchEvent(new Event("icecandidate")),null!==r.onicecandidate&&r.onicecandidate(new Event("icecandidate")),r.iceGatheringState="complete",r._emitGatheringStateChange());break;case"complete":}},n},t.prototype._createIceAndDtlsTransports=function(){var e=this,t=new RTCIceTransport(null);t.onicestatechange=function(){e._updateConnectionState()};var r=new RTCDtlsTransport(t);return r.ondtlsstatechange=function(){e._updateConnectionState()},r.onerror=function(){Object.defineProperty(r,"state",{value:"failed",writable:!0}),e._updateConnectionState()},{iceTransport:t,dtlsTransport:r}},t.prototype._disposeIceAndDtlsTransports=function(e){var t=this.transceivers[e].iceGatherer;t&&(delete t.onlocalcandidate,delete this.transceivers[e].iceGatherer);var r=this.transceivers[e].iceTransport;r&&(delete r.onicestatechange,delete this.transceivers[e].iceTransport);var n=this.transceivers[e].dtlsTransport;n&&(delete n.ondtlssttatechange,delete n.onerror,delete this.transceivers[e].dtlsTransport)},t.prototype._transceive=function(t,r,n){var i=o(t.localCapabilities,t.remoteCapabilities);r&&t.rtpSender&&(i.encodings=t.sendEncodingParameters,i.rtcp={cname:s.localCName,compound:t.rtcpParameters.compound},t.recvEncodingParameters.length&&(i.rtcp.ssrc=t.recvEncodingParameters[0].ssrc),t.rtpSender.send(i)),n&&t.rtpReceiver&&("video"===t.kind&&t.recvEncodingParameters&&e<15019&&t.recvEncodingParameters.forEach(function(e){delete e.rtx}),i.encodings=t.recvEncodingParameters,i.rtcp={cname:t.rtcpParameters.cname,compound:t.rtcpParameters.compound},t.sendEncodingParameters.length&&(i.rtcp.ssrc=t.sendEncodingParameters[0].ssrc),t.rtpReceiver.receive(i))},t.prototype.setLocalDescription=function(e){var t=this;if(!a("setLocalDescription",e.type,this.signalingState)){var r=new Error("Can not set local "+e.type+" in state "+this.signalingState);return r.name="InvalidStateError",arguments.length>2&&"function"==typeof arguments[2]&&window.setTimeout(arguments[2],0,r),Promise.reject(r)}var n,i;if("offer"===e.type)this._pendingOffer&&(n=s.splitSections(e.sdp),i=n.shift(),n.forEach(function(e,r){var n=s.parseRtpParameters(e);t._pendingOffer[r].localCapabilities=n}),this.transceivers=this._pendingOffer,delete this._pendingOffer);else if("answer"===e.type){n=s.splitSections(t.remoteDescription.sdp),i=n.shift();var c=s.matchPrefix(i,"a=ice-lite").length>0;n.forEach(function(e,r){var n=t.transceivers[r],a=n.iceGatherer,d=n.iceTransport,u=n.dtlsTransport,f=n.localCapabilities,p=n.remoteCapabilities,l=s.isRejected(e);if(!l&&!n.isDatachannel){var v=s.getIceParameters(e,i),h=s.getDtlsParameters(e,i);c&&(h.role="server"),t.usingBundle&&0!==r||(d.start(a,v,c?"controlling":"controlled"),u.start(h));var m=o(f,p);t._transceive(n,m.codecs.length>0,!1)}})}switch(this.localDescription={type:e.type,sdp:e.sdp},e.type){case"offer":this._updateSignalingState("have-local-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+e.type+'"')}var d=arguments.length>1&&"function"==typeof arguments[1];if(d){var u=arguments[1];window.setTimeout(function(){u(),"new"===t.iceGatheringState&&(t.iceGatheringState="gathering",t._emitGatheringStateChange()),t._emitBufferedCandidates()},0)}var f=Promise.resolve();return f.then(function(){d||("new"===t.iceGatheringState&&(t.iceGatheringState="gathering",t._emitGatheringStateChange()),window.setTimeout(t._emitBufferedCandidates.bind(t),500))}),f},t.prototype.setRemoteDescription=function(t){var r=this;if(!a("setRemoteDescription",t.type,this.signalingState)){var n=new Error("Can not set remote "+t.type+" in state "+this.signalingState);return n.name="InvalidStateError",arguments.length>2&&"function"==typeof arguments[2]&&window.setTimeout(arguments[2],0,n),Promise.reject(n)}var i={},o=[],c=s.splitSections(t.sdp),d=c.shift(),u=s.matchPrefix(d,"a=ice-lite").length>0,f=s.matchPrefix(d,"a=group:BUNDLE ").length>0;this.usingBundle=f;var p=s.matchPrefix(d,"a=ice-options:")[0];switch(p?this.canTrickleIceCandidates=p.substr(14).split(" ").indexOf("trickle")>=0:this.canTrickleIceCandidates=!1,c.forEach(function(n,a){var c=s.splitLines(n),p=s.getKind(n),l=s.isRejected(n),v=c[0].substr(2).split(" ")[2],h=s.getDirection(n,d),m=s.parseMsid(n),g=s.getMid(n)||s.generateIdentifier();if("application"===p&&"DTLS/SCTP"===v)return void(r.transceivers[a]={mid:g,isDatachannel:!0});var y,w,b,S,C,T,k,E,R,P,O,x=s.parseRtpParameters(n);l||(P=s.getIceParameters(n,d),O=s.getDtlsParameters(n,d),O.role="client"),k=s.parseRtpEncodingParameters(n);var D=s.parseRtcpParameters(n),_=s.matchPrefix(n,"a=end-of-candidates",d).length>0,I=s.matchPrefix(n,"a=candidate:").map(function(e){return s.parseCandidate(e)}).filter(function(e){return"1"===e.component||1===e.component});"offer"!==t.type||l?"answer"!==t.type||l||(f&&a>0&&(r._disposeIceAndDtlsTransports(a),r.transceivers[a].iceGatherer=r.transceivers[0].iceGatherer,r.transceivers[a].iceTransport=r.transceivers[0].iceTransport,r.transceivers[a].dtlsTransport=r.transceivers[0].dtlsTransport,r.transceivers[a].rtpSender&&r.transceivers[a].rtpSender.setTransport(r.transceivers[0].dtlsTransport),r.transceivers[a].rtpReceiver&&r.transceivers[a].rtpReceiver.setTransport(r.transceivers[0].dtlsTransport)),y=r.transceivers[a],w=y.iceGatherer,b=y.iceTransport,S=y.dtlsTransport,C=y.rtpReceiver,T=y.sendEncodingParameters,E=y.localCapabilities,r.transceivers[a].recvEncodingParameters=k,r.transceivers[a].remoteCapabilities=x,r.transceivers[a].rtcpParameters=D,(u||_)&&I.length&&b.setRemoteCandidates(I),f&&0!==a||(b.start(w,P,"controlling"),S.start(O)),r._transceive(y,"sendrecv"===h||"recvonly"===h,"sendrecv"===h||"sendonly"===h),!C||"sendrecv"!==h&&"sendonly"!==h?delete y.rtpReceiver:(R=C.track,m?(i[m.stream]||(i[m.stream]=new MediaStream),i[m.stream].addTrack(R),o.push([R,C,i[m.stream]])):(i.default||(i.default=new MediaStream),i.default.addTrack(R),o.push([R,C,i.default])))):(y=r.transceivers[a]||r._createTransceiver(p),y.mid=g,y.iceGatherer||(y.iceGatherer=f&&a>0?r.transceivers[0].iceGatherer:r._createIceGatherer(g,a)),!_||f&&0!==a||y.iceTransport.setRemoteCandidates(I),E=RTCRtpReceiver.getCapabilities(p),e<15019&&(E.codecs=E.codecs.filter(function(e){return"rtx"!==e.name})),T=[{ssrc:1001*(2*a+2)}],"sendrecv"!==h&&"sendonly"!==h||(C=new RTCRtpReceiver(y.dtlsTransport,p),R=C.track,m?(i[m.stream]||(i[m.stream]=new MediaStream,Object.defineProperty(i[m.stream],"id",{get:function(){return m.stream}})),Object.defineProperty(R,"id",{get:function(){return m.track}}),i[m.stream].addTrack(R),o.push([R,C,i[m.stream]])):(i.default||(i.default=new MediaStream),i.default.addTrack(R),o.push([R,C,i.default]))),y.localCapabilities=E,y.remoteCapabilities=x,y.rtpReceiver=C,y.rtcpParameters=D,y.sendEncodingParameters=T,y.recvEncodingParameters=k,r._transceive(r.transceivers[a],!1,"sendrecv"===h||"sendonly"===h))}),this.remoteDescription={type:t.type,sdp:t.sdp},t.type){case"offer":this._updateSignalingState("have-remote-offer");break;case"answer":this._updateSignalingState("stable");break;default:throw new TypeError('unsupported type "'+t.type+'"')}return Object.keys(i).forEach(function(e){var t=i[e];if(t.getTracks().length){r.remoteStreams.push(t);var n=new Event("addstream");n.stream=t,r.dispatchEvent(n),null!==r.onaddstream&&window.setTimeout(function(){r.onaddstream(n)},0),o.forEach(function(e){var n=e[0],i=e[1];if(t.id===e[2].id){var o=new Event("track");o.track=n,o.receiver=i,o.streams=[t],r.dispatchEvent(o),null!==r.ontrack&&window.setTimeout(function(){r.ontrack(o)},0)}})}}),window.setTimeout(function(){r&&r.transceivers&&r.transceivers.forEach(function(e){e.iceTransport&&"new"===e.iceTransport.state&&e.iceTransport.getRemoteCandidates().length>0&&(console.warn("Timeout for addRemoteCandidate. Consider sending an end-of-candidates notification"),e.iceTransport.addRemoteCandidate({}))})},4e3),arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},t.prototype.close=function(){this.transceivers.forEach(function(e){e.iceTransport&&e.iceTransport.stop(),e.dtlsTransport&&e.dtlsTransport.stop(),e.rtpSender&&e.rtpSender.stop(),e.rtpReceiver&&e.rtpReceiver.stop()}),this._updateSignalingState("closed")},t.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this.dispatchEvent(t),null!==this.onsignalingstatechange&&this.onsignalingstatechange(t)},t.prototype._maybeFireNegotiationNeeded=function(){var e=this;"stable"===this.signalingState&&this.needNegotiation!==!0&&(this.needNegotiation=!0,window.setTimeout(function(){if(e.needNegotiation!==!1){e.needNegotiation=!1;var t=new Event("negotiationneeded");e.dispatchEvent(t),null!==e.onnegotiationneeded&&e.onnegotiationneeded(t)}},0))},t.prototype._updateConnectionState=function(){var e,t=this,r={new:0,closed:0,connecting:0,checking:0,connected:0,completed:0,failed:0};if(this.transceivers.forEach(function(e){r[e.iceTransport.state]++,r[e.dtlsTransport.state]++}),r.connected+=r.completed,e="new",r.failed>0?e="failed":r.connecting>0||r.checking>0?e="connecting":r.disconnected>0?e="disconnected":r.new>0?e="new":(r.connected>0||r.completed>0)&&(e="connected"),e!==t.iceConnectionState){t.iceConnectionState=e;var n=new Event("iceconnectionstatechange");this.dispatchEvent(n),null!==this.oniceconnectionstatechange&&this.oniceconnectionstatechange(n)}},t.prototype.createOffer=function(){var t=this;if(this._pendingOffer)throw new Error("createOffer called while there is a pending offer.");var r;1===arguments.length&&"function"!=typeof arguments[0]?r=arguments[0]:3===arguments.length&&(r=arguments[2]);var i=this.transceivers.filter(function(e){return"audio"===e.kind}).length,o=this.transceivers.filter(function(e){return"video"===e.kind}).length;if(r){if(r.mandatory||r.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==r.offerToReceiveAudio&&(i=r.offerToReceiveAudio===!0?1:r.offerToReceiveAudio===!1?0:r.offerToReceiveAudio),void 0!==r.offerToReceiveVideo&&(o=r.offerToReceiveVideo===!0?1:r.offerToReceiveVideo===!1?0:r.offerToReceiveVideo)}for(this.transceivers.forEach(function(e){"audio"===e.kind?(i--,i<0&&(e.wantReceive=!1)):"video"===e.kind&&(o--,o<0&&(e.wantReceive=!1))});i>0||o>0;)i>0&&(this._createTransceiver("audio"),i--),o>0&&(this._createTransceiver("video"),o--);var a=n(this.transceivers),c=s.writeSessionBoilerplate();a.forEach(function(r,n){var i=r.track,o=r.kind,c=s.generateIdentifier();r.mid=c,r.iceGatherer||(r.iceGatherer=t.usingBundle&&n>0?a[0].iceGatherer:t._createIceGatherer(c,n));var d=RTCRtpSender.getCapabilities(o);e<15019&&(d.codecs=d.codecs.filter(function(e){return"rtx"!==e.name})),d.codecs.forEach(function(e){"H264"===e.name&&void 0===e.parameters["level-asymmetry-allowed"]&&(e.parameters["level-asymmetry-allowed"]="1")});var u=[{ssrc:1001*(2*n+1)}];i&&e>=15019&&"video"===o&&(u[0].rtx={ssrc:1001*(2*n+1)+1}),r.wantReceive&&(r.rtpReceiver=new RTCRtpReceiver(r.dtlsTransport,o)),r.localCapabilities=d,r.sendEncodingParameters=u}),"max-compat"!==this._config.bundlePolicy&&(c+="a=group:BUNDLE "+a.map(function(e){return e.mid}).join(" ")+"\r\n"),c+="a=ice-options:trickle\r\n",a.forEach(function(e,t){c+=s.writeMediaSection(e,e.localCapabilities,"offer",e.stream),c+="a=rtcp-rsize\r\n"}),this._pendingOffer=a;var d=new RTCSessionDescription({type:"offer",sdp:c});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,d),Promise.resolve(d)},t.prototype.createAnswer=function(){var t=s.writeSessionBoilerplate();this.usingBundle&&(t+="a=group:BUNDLE "+this.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"),this.transceivers.forEach(function(r,n){if(r.isDatachannel)return void(t+="m=application 0 DTLS/SCTP 5000\r\nc=IN IP4 0.0.0.0\r\na=mid:"+r.mid+"\r\n");if(r.stream){var i;"audio"===r.kind?i=r.stream.getAudioTracks()[0]:"video"===r.kind&&(i=r.stream.getVideoTracks()[0]),i&&e>=15019&&"video"===r.kind&&(r.sendEncodingParameters[0].rtx={ssrc:1001*(2*n+2)+1})}var a=o(r.localCapabilities,r.remoteCapabilities),c=a.codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length;!c&&r.sendEncodingParameters[0].rtx&&delete r.sendEncodingParameters[0].rtx,t+=s.writeMediaSection(r,a,"answer",r.stream),r.rtcpParameters&&r.rtcpParameters.reducedSize&&(t+="a=rtcp-rsize\r\n")});var r=new RTCSessionDescription({type:"answer",sdp:t});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,r),Promise.resolve(r)},t.prototype.addIceCandidate=function(e){if(e){var t=e.sdpMLineIndex;if(e.sdpMid)for(var r=0;r<this.transceivers.length;r++)if(this.transceivers[r].mid===e.sdpMid){t=r;break}var n=this.transceivers[t];if(n){var i=Object.keys(e.candidate).length>0?s.parseCandidate(e.candidate):{};if("tcp"===i.protocol&&(0===i.port||9===i.port))return Promise.resolve();if(i.component&&"1"!==i.component&&1!==i.component)return Promise.resolve();n.iceTransport.addRemoteCandidate(i);var o=s.splitSections(this.remoteDescription.sdp);o[t+1]+=(i.type?e.candidate.trim():"a=end-of-candidates")+"\r\n",this.remoteDescription.sdp=o.join("")}}else for(var a=0;a<this.transceivers.length;a++)if(this.transceivers[a].iceTransport.addRemoteCandidate({}),this.usingBundle)return Promise.resolve();return arguments.length>1&&"function"==typeof arguments[1]&&window.setTimeout(arguments[1],0),Promise.resolve()},t.prototype.getStats=function(){var e=[];this.transceivers.forEach(function(t){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach(function(r){t[r]&&e.push(t[r].getStats())})});var t=arguments.length>1&&"function"==typeof arguments[1]&&arguments[1],r=function(e){return{inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};return new Promise(function(n){var i=new Map;Promise.all(e).then(function(e){e.forEach(function(e){Object.keys(e).forEach(function(t){e[t].type=r(e[t]),i.set(t,e[t])})}),t&&window.setTimeout(t,0,i),n(i)})})},t}},function(e,t,r){"use strict";var n=r(1).browserDetails,i={shimOnTrack:function(){"object"!=typeof window||!window.RTCPeerConnection||"ontrack"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(e){this._ontrack&&(this.removeEventListener("track",this._ontrack),this.removeEventListener("addstream",this._ontrackpoly)),this.addEventListener("track",this._ontrack=e),this.addEventListener("addstream",this._ontrackpoly=function(e){e.stream.getTracks().forEach(function(t){var r=new Event("track");r.track=t,r.receiver={track:t},r.streams=[e.stream],this.dispatchEvent(r)}.bind(this))}.bind(this))}})},shimSourceObject:function(){"object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return this.mozSrcObject},set:function(e){this.mozSrcObject=e}}))},shimPeerConnection:function(){if("object"==typeof window&&(window.RTCPeerConnection||window.mozRTCPeerConnection)){window.RTCPeerConnection||(window.RTCPeerConnection=function(e,t){if(n.version<38&&e&&e.iceServers){for(var r=[],i=0;i<e.iceServers.length;i++){var o=e.iceServers[i];if(o.hasOwnProperty("urls"))for(var a=0;a<o.urls.length;a++){var s={url:o.urls[a]};0===o.urls[a].indexOf("turn")&&(s.username=o.username,s.credential=o.credential),r.push(s)}else r.push(e.iceServers[i])}e.iceServers=r}return new mozRTCPeerConnection(e,t)},window.RTCPeerConnection.prototype=mozRTCPeerConnection.prototype,mozRTCPeerConnection.generateCertificate&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return mozRTCPeerConnection.generateCertificate}}),window.RTCSessionDescription=mozRTCSessionDescription,window.RTCIceCandidate=mozRTCIceCandidate),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(e){var t=RTCPeerConnection.prototype[e];RTCPeerConnection.prototype[e]=function(){return arguments[0]=new("addIceCandidate"===e?RTCIceCandidate:RTCSessionDescription)(arguments[0]),t.apply(this,arguments)}});var e=RTCPeerConnection.prototype.addIceCandidate;RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?e.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())};var t=function(e){var t=new Map;return Object.keys(e).forEach(function(r){t.set(r,e[r]),t[r]=e[r]}),t},r={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"},i=RTCPeerConnection.prototype.getStats;RTCPeerConnection.prototype.getStats=function(e,o,a){return i.apply(this,[e||null]).then(function(e){if(n.version<48&&(e=t(e)),n.version<53&&!o)try{e.forEach(function(e){e.type=r[e.type]||e.type})}catch(t){if("TypeError"!==t.name)throw t;e.forEach(function(t,n){e.set(n,Object.assign({},t,{type:r[t.type]||t.type}))})}return e}).then(o,a)}}}};e.exports={shimOnTrack:i.shimOnTrack,shimSourceObject:i.shimSourceObject,shimPeerConnection:i.shimPeerConnection,shimGetUserMedia:r(13)}},function(e,t,r){"use strict";var n=r(1).log,i=r(1).browserDetails;e.exports=function(){var e=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}}},t=function(t,r,o){var a=function(e){if("object"!=typeof e||e.require)return e;var t=[];return Object.keys(e).forEach(function(r){if("require"!==r&&"advanced"!==r&&"mediaSource"!==r){var n=e[r]="object"==typeof e[r]?e[r]:{ideal:e[r]};if(void 0===n.min&&void 0===n.max&&void 0===n.exact||t.push(r),void 0!==n.exact&&("number"==typeof n.exact?n.min=n.max=n.exact:e[r]=n.exact,delete n.exact),void 0!==n.ideal){e.advanced=e.advanced||[];var i={};"number"==typeof n.ideal?i[r]={min:n.ideal,max:n.ideal}:i[r]=n.ideal,e.advanced.push(i),delete n.ideal,Object.keys(n).length||delete e[r]}}}),t.length&&(e.require=t),e};return t=JSON.parse(JSON.stringify(t)),i.version<38&&(n("spec: "+JSON.stringify(t)),t.audio&&(t.audio=a(t.audio)),t.video&&(t.video=a(t.video)),n("ff37: "+JSON.stringify(t))),navigator.mozGetUserMedia(t,r,function(t){o(e(t))})},r=function(e){return new Promise(function(r,n){t(e,r,n)})};if(navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:r,addEventListener:function(){},removeEventListener:function(){}}),navigator.mediaDevices.enumerateDevices=navigator.mediaDevices.enumerateDevices||function(){return new Promise(function(e){var t=[{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}];e(t)})},i.version<41){var o=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return o().then(void 0,function(e){if("NotFoundError"===e.name)return[];throw e})}}if(i.version<49){var a=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(t){return a(t).then(function(e){if(t.audio&&!e.getAudioTracks().length||t.video&&!e.getVideoTracks().length)throw e.getTracks().forEach(function(e){e.stop()}),new DOMException("The object can not be found here.","NotFoundError");return e},function(t){return Promise.reject(e(t))})}}navigator.getUserMedia=function(e,r,n){return i.version<44?t(e,r,n):(console.warn("navigator.getUserMedia has been replaced by navigator.mediaDevices.getUserMedia"),void navigator.mediaDevices.getUserMedia(e).then(r,n))}}},function(e,t){"use strict";var r={shimAddStream:function(){"object"!=typeof window||!window.RTCPeerConnection||"addStream"in window.RTCPeerConnection.prototype||(RTCPeerConnection.prototype.addStream=function(e){var t=this;e.getTracks().forEach(function(r){t.addTrack(r,e)})})},shimOnAddStream:function(){"object"!=typeof window||!window.RTCPeerConnection||"onaddstream"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"onaddstream",{get:function(){return this._onaddstream},set:function(e){this._onaddstream&&(this.removeEventListener("addstream",this._onaddstream),this.removeEventListener("track",this._onaddstreampoly)),this.addEventListener("addstream",this._onaddstream=e),this.addEventListener("track",this._onaddstreampoly=function(e){var t=e.streams[0];if(this._streams||(this._streams=[]),!(this._streams.indexOf(t)>=0)){this._streams.push(t);var r=new Event("addstream");r.stream=e.streams[0],this.dispatchEvent(r)}}.bind(this))}})},shimCallbacksAPI:function(){if("object"==typeof window&&window.RTCPeerConnection){var e=RTCPeerConnection.prototype,t=e.createOffer,r=e.createAnswer,n=e.setLocalDescription,i=e.setRemoteDescription,o=e.addIceCandidate;e.createOffer=function(e,r){var n=arguments.length>=2?arguments[2]:arguments[0],i=t.apply(this,[n]);return r?(i.then(e,r),Promise.resolve()):i},e.createAnswer=function(e,t){var n=arguments.length>=2?arguments[2]:arguments[0],i=r.apply(this,[n]);return t?(i.then(e,t),Promise.resolve()):i};var a=function(e,t,r){var i=n.apply(this,[e]);return r?(i.then(t,r),Promise.resolve()):i};e.setLocalDescription=a,a=function(e,t,r){var n=i.apply(this,[e]);return r?(n.then(t,r),Promise.resolve()):n},e.setRemoteDescription=a,a=function(e,t,r){var n=o.apply(this,[e]);return r?(n.then(t,r),Promise.resolve()):n},e.addIceCandidate=a}},shimGetUserMedia:function(){navigator.getUserMedia||(navigator.webkitGetUserMedia?navigator.getUserMedia=navigator.webkitGetUserMedia.bind(navigator):navigator.mediaDevices&&navigator.mediaDevices.getUserMedia&&(navigator.getUserMedia=function(e,t,r){navigator.mediaDevices.getUserMedia(e).then(t,r)}.bind(navigator)))}};e.exports={shimCallbacksAPI:r.shimCallbacksAPI,shimAddStream:r.shimAddStream,shimOnAddStream:r.shimOnAddStream,shimGetUserMedia:r.shimGetUserMedia}},function(e,t){function r(){throw new Error("setTimeout has not been defined")}function n(){throw new Error("clearTimeout has not been defined")}function i(e){if(u===setTimeout)return setTimeout(e,0);if((u===r||!u)&&setTimeout)return u=setTimeout,setTimeout(e,0);try{return u(e,0)}catch(t){try{return u.call(null,e,0)}catch(t){return u.call(this,e,0)}}}function o(e){if(f===clearTimeout)return clearTimeout(e);if((f===n||!f)&&clearTimeout)return 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Error("process.binding is not supported")},p.cwd=function(){return"/"},p.chdir=function(e){throw new Error("process.chdir is not supported")},p.umask=function(){return 0}}])});