!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.adapter=e()}}(function(){return function e(t,r,n){function i(o,s){if(!r[o]){if(!t[o]){var c="function"==typeof require&&require;if(!s&&c)return c(o,!0);if(a)return a(o,!0);var d=new Error("Cannot find module '"+o+"'");throw d.code="MODULE_NOT_FOUND",d}var p=r[o]={exports:{}};t[o][0].call(p.exports,function(e){var r=t[o][1][e];return i(r||e)},p,p.exports,e,t,r,n)}return r[o].exports}for(var a="function"==typeof require&&require,o=0;o<n.length;o++)i(n[o]);return i}({1:[function(e,t,r){"use strict";var n={};n.generateIdentifier=function(){return Math.random().toString(36).substr(2,10)},n.localCName=n.generateIdentifier(),n.splitLines=function(e){return e.trim().split("\n").map(function(e){return e.trim()})},n.splitSections=function(e){return e.split("\nm=").map(function(e,t){return(t>0?"m="+e:e).trim()+"\r\n"})},n.matchPrefix=function(e,t){return n.splitLines(e).filter(function(e){return 0===e.indexOf(t)})},n.parseCandidate=function(e){var t;t=0===e.indexOf("a=candidate:")?e.substring(12).split(" "):e.substring(10).split(" ");for(var r={foundation:t[0],component:t[1],protocol:t[2].toLowerCase(),priority:parseInt(t[3],10),ip:t[4],port:parseInt(t[5],10),type:t[7]},n=8;n<t.length;n+=2)switch(t[n]){case"raddr":r.relatedAddress=t[n+1];break;case"rport":r.relatedPort=parseInt(t[n+1],10);break;case"tcptype":r.tcpType=t[n+1]}return r},n.writeCandidate=function(e){var t=[];t.push(e.foundation),t.push(e.component),t.push(e.protocol.toUpperCase()),t.push(e.priority),t.push(e.ip),t.push(e.port);var r=e.type;return t.push("typ"),t.push(r),"host"!==r&&e.relatedAddress&&e.relatedPort&&(t.push("raddr"),t.push(e.relatedAddress),t.push("rport"),t.push(e.relatedPort)),e.tcpType&&"tcp"===e.protocol.toLowerCase()&&(t.push("tcptype"),t.push(e.tcpType)),"candidate:"+t.join(" ")},n.parseRtpMap=function(e){var t=e.substr(9).split(" "),r={payloadType:parseInt(t.shift(),10)};return t=t[0].split("/"),r.name=t[0],r.clockRate=parseInt(t[1],10),r.numChannels=3===t.length?parseInt(t[2],10):1,r},n.writeRtpMap=function(e){var t=e.payloadType;return void 0!==e.preferredPayloadType&&(t=e.preferredPayloadType),"a=rtpmap:"+t+" "+e.name+"/"+e.clockRate+(1!==e.numChannels?"/"+e.numChannels:"")+"\r\n"},n.parseExtmap=function(e){var t=e.substr(9).split(" ");return{id:parseInt(t[0],10),uri:t[1]}},n.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+" "+e.uri+"\r\n"},n.parseFmtp=function(e){for(var t,r={},n=e.substr(e.indexOf(" ")+1).split(";"),i=0;i<n.length;i++)t=n[i].trim().split("="),r[t[0].trim()]=t[1];return r},n.writeFmtp=function(e){var t="",r=e.payloadType;if(void 0!==e.preferredPayloadType&&(r=e.preferredPayloadType),e.parameters&&Object.keys(e.parameters).length){var n=[];Object.keys(e.parameters).forEach(function(t){n.push(t+"="+e.parameters[t])}),t+="a=fmtp:"+r+" "+n.join(";")+"\r\n"}return t},n.parseRtcpFb=function(e){var t=e.substr(e.indexOf(" ")+1).split(" ");return{type:t.shift(),parameter:t.join(" ")}},n.writeRtcpFb=function(e){var t="",r=e.payloadType;return void 0!==e.preferredPayloadType&&(r=e.preferredPayloadType),e.rtcpFeedback&&e.rtcpFeedback.length&&e.rtcpFeedback.forEach(function(e){t+="a=rtcp-fb:"+r+" "+e.type+(e.parameter&&e.parameter.length?" "+e.parameter:"")+"\r\n"}),t},n.parseSsrcMedia=function(e){var t=e.indexOf(" "),r={ssrc:parseInt(e.substr(7,t-7),10)},n=e.indexOf(":",t);return n>-1?(r.attribute=e.substr(t+1,n-t-1),r.value=e.substr(n+1)):r.attribute=e.substr(t+1),r},n.getMid=function(e){var t=n.matchPrefix(e,"a=mid:")[0];if(t)return t.substr(6)},n.getDtlsParameters=function(e,t){var r=n.splitLines(e);r=r.concat(n.splitLines(t));var i=r.filter(function(e){return 0===e.indexOf("a=fingerprint:")})[0].substr(14);return{role:"auto",fingerprints:[{algorithm:i.split(" ")[0].toLowerCase(),value:i.split(" ")[1]}]}},n.writeDtlsParameters=function(e,t){var r="a=setup:"+t+"\r\n";return e.fingerprints.forEach(function(e){r+="a=fingerprint:"+e.algorithm+" "+e.value+"\r\n"}),r},n.getIceParameters=function(e,t){var r=n.splitLines(e);return r=r.concat(n.splitLines(t)),{usernameFragment:r.filter(function(e){return 0===e.indexOf("a=ice-ufrag:")})[0].substr(12),password:r.filter(function(e){return 0===e.indexOf("a=ice-pwd:")})[0].substr(10)}},n.writeIceParameters=function(e){return"a=ice-ufrag:"+e.usernameFragment+"\r\na=ice-pwd:"+e.password+"\r\n"},n.parseRtpParameters=function(e){for(var t={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},r=n.splitLines(e),i=r[0].split(" "),a=3;a<i.length;a++){var o=i[a],s=n.matchPrefix(e,"a=rtpmap:"+o+" ")[0];if(s){var c=n.parseRtpMap(s),d=n.matchPrefix(e,"a=fmtp:"+o+" ");switch(c.parameters=d.length?n.parseFmtp(d[0]):{},c.rtcpFeedback=n.matchPrefix(e,"a=rtcp-fb:"+o+" ").map(n.parseRtcpFb),t.codecs.push(c),c.name.toUpperCase()){case"RED":case"ULPFEC":t.fecMechanisms.push(c.name.toUpperCase())}}}return n.matchPrefix(e,"a=extmap:").forEach(function(e){t.headerExtensions.push(n.parseExtmap(e))}),t},n.writeRtpDescription=function(e,t){var r="";r+="m="+e+" ",r+=t.codecs.length>0?"9":"0",r+=" UDP/TLS/RTP/SAVPF ",r+=t.codecs.map(function(e){return void 0!==e.preferredPayloadType?e.preferredPayloadType:e.payloadType}).join(" ")+"\r\n",r+="c=IN IP4 0.0.0.0\r\n",r+="a=rtcp:9 IN IP4 0.0.0.0\r\n",t.codecs.forEach(function(e){r+=n.writeRtpMap(e),r+=n.writeFmtp(e),r+=n.writeRtcpFb(e)});var i=0;return t.codecs.forEach(function(e){e.maxptime>i&&(i=e.maxptime)}),i>0&&(r+="a=maxptime:"+i+"\r\n"),r+="a=rtcp-mux\r\n",t.headerExtensions.forEach(function(e){r+=n.writeExtmap(e)}),r},n.parseRtpEncodingParameters=function(e){var t,r=[],i=n.parseRtpParameters(e),a=-1!==i.fecMechanisms.indexOf("RED"),o=-1!==i.fecMechanisms.indexOf("ULPFEC"),s=n.matchPrefix(e,"a=ssrc:").map(function(e){return n.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute}),c=s.length>0&&s[0].ssrc,d=n.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 n={ssrc:c,codecPayloadType:parseInt(e.parameters.apt,10),rtx:{ssrc:t}};r.push(n),a&&(n=JSON.parse(JSON.stringify(n)),n.fec={ssrc:t,mechanism:o?"red+ulpfec":"red"},r.push(n))}}),0===r.length&&c&&r.push({ssrc:c});var p=n.matchPrefix(e,"b=");return p.length&&(0===p[0].indexOf("b=TIAS:")?p=parseInt(p[0].substr(7),10):0===p[0].indexOf("b=AS:")&&(p=parseInt(p[0].substr(5),10)),r.forEach(function(e){e.maxBitrate=p})),r},n.parseRtcpParameters=function(e){var t={},r=n.matchPrefix(e,"a=ssrc:").map(function(e){return n.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute})[0];r&&(t.cname=r.value,t.ssrc=r.ssrc);var i=n.matchPrefix(e,"a=rtcp-rsize");t.reducedSize=i.length>0,t.compound=0===i.length;var a=n.matchPrefix(e,"a=rtcp-mux");return t.mux=a.length>0,t},n.parseMsid=function(e){var t,r=n.matchPrefix(e,"a=msid:");if(1===r.length)return t=r[0].substr(7).split(" "),{stream:t[0],track:t[1]};var i=n.matchPrefix(e,"a=ssrc:").map(function(e){return n.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},n.writeSessionBoilerplate=function(){return"v=0\r\no=thisisadapterortc 8169639915646943137 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},n.writeMediaSection=function(e,t,r,i){var a=n.writeRtpDescription(e.kind,t);if(a+=n.writeIceParameters(e.iceGatherer.getLocalParameters()),a+=n.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===r?"actpass":"active"),a+="a=mid:"+e.mid+"\r\n",e.rtpSender&&e.rtpReceiver?a+="a=sendrecv\r\n":e.rtpSender?a+="a=sendonly\r\n":e.rtpReceiver?a+="a=recvonly\r\n":a+="a=inactive\r\n",e.rtpSender){var o="msid:"+i.id+" "+e.rtpSender.track.id+"\r\n";a+="a="+o,a+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+o,e.sendEncodingParameters[0].rtx&&(a+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+o,a+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return a+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+n.localCName+"\r\n",e.rtpSender&&e.sendEncodingParameters[0].rtx&&(a+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+n.localCName+"\r\n"),a},n.getDirection=function(e,t){for(var r=n.splitLines(e),i=0;i<r.length;i++)switch(r[i]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return r[i].substr(2)}return t?n.getDirection(t):"sendrecv"},n.getKind=function(e){return n.splitLines(e)[0].split(" ")[0].substr(2)},n.isRejected=function(e){return"0"===e.split(" ",2)[1]},t.exports=n},{}],2:[function(e,t,r){"use strict";!function(){var r=e("./utils"),n=r.log,i=r.browserDetails;t.exports.browserDetails=i,t.exports.extractVersion=r.extractVersion,t.exports.disableLog=r.disableLog;var a=e("./chrome/chrome_shim")||null,o=e("./edge/edge_shim")||null,s=e("./firefox/firefox_shim")||null,c=e("./safari/safari_shim")||null;switch(i.browser){case"chrome":if(!a||!a.shimPeerConnection)return void n("Chrome shim is not included in this adapter release.");n("adapter.js shimming chrome."),t.exports.browserShim=a,a.shimGetUserMedia(),a.shimMediaStream(),r.shimCreateObjectURL(),a.shimSourceObject(),a.shimPeerConnection(),a.shimOnTrack(),a.shimGetSendersWithDtmf();break;case"firefox":if(!s||!s.shimPeerConnection)return void n("Firefox shim is not included in this adapter release.");n("adapter.js shimming firefox."),t.exports.browserShim=s,s.shimGetUserMedia(),r.shimCreateObjectURL(),s.shimSourceObject(),s.shimPeerConnection(),s.shimOnTrack();break;case"edge":if(!o||!o.shimPeerConnection)return void n("MS edge shim is not included in this adapter release.");n("adapter.js shimming edge."),t.exports.browserShim=o,o.shimGetUserMedia(),r.shimCreateObjectURL(),o.shimPeerConnection(),o.shimReplaceTrack();break;case"safari":if(!c)return void n("Safari shim is not included in this adapter release.");n("adapter.js shimming safari."),t.exports.browserShim=c,c.shimOnAddStream(),c.shimGetUserMedia();break;default:n("Unsupported browser!")}}()},{"./chrome/chrome_shim":3,"./edge/edge_shim":5,"./firefox/firefox_shim":8,"./safari/safari_shim":10,"./utils":11}],3:[function(e,t,r){"use strict";var n=e("../utils.js").log,i=e("../utils.js").browserDetails,a={shimMediaStream:function(){window.MediaStream=window.MediaStream||window.webkitMediaStream},shimOnTrack:function(){"object"!=typeof window||!window.RTCPeerConnection||"ontrack"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(e){var t=this;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.addEventListener("addtrack",function(r){var n=new Event("track");n.track=r.track,n.receiver={track:r.track},n.streams=[e.stream],t.dispatchEvent(n)}),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))}})},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.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;if(this._srcObject=e,this.src&&URL.revokeObjectURL(this.src),!e)return void(this.src="");this.src=URL.createObjectURL(e),e.addEventListener("addtrack",function(){t.src&&URL.revokeObjectURL(t.src),t.src=URL.createObjectURL(e)}),e.addEventListener("removetrack",function(){t.src&&URL.revokeObjectURL(t.src),t.src=URL.createObjectURL(e)})}}))},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 a=t.iceServers[i];!a.hasOwnProperty("urls")&&a.hasOwnProperty("url")?(console.warn("RTCIceServer.url is deprecated! Use urls instead."),a=JSON.parse(JSON.stringify(a)),a.urls=a.url,n.push(a)):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,a=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 o=function(e){var t={};return e.result().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){a[1](s(o(e)))};return t.apply(this,[c,arguments[0]])}return new Promise(function(e,r){t.apply(i,[function(t){e(s(o(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())}}};t.exports={shimMediaStream:a.shimMediaStream,shimOnTrack:a.shimOnTrack,shimGetSendersWithDtmf:a.shimGetSendersWithDtmf,shimSourceObject:a.shimSourceObject,shimPeerConnection:a.shimPeerConnection,shimGetUserMedia:e("./getusermedia")}},{"../utils.js":11,"./getusermedia":4}],4:[function(e,t,r){"use strict";var n=e("../utils.js").log,i=e("../utils.js").browserDetails;t.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 a={};"number"==typeof n.ideal?(a[i("min",r)]=n.ideal,t.optional.push(a),a={},a[i("max",r)]=n.ideal,t.optional.push(a)):(a[i("",r)]=n.ideal,t.optional.push(a))}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 a=t.video.facingMode;a=a&&("object"==typeof a?a:{ideal:a});var o=i.version<61;if(a&&("user"===a.exact||"environment"===a.exact||"user"===a.ideal||"environment"===a.ideal)&&(!navigator.mediaDevices.getSupportedConstraints||!navigator.mediaDevices.getSupportedConstraints().facingMode||o)){delete t.video.facingMode;var s;if("environment"===a.exact||"environment"===a.ideal?s=["back","rear"]:"user"!==a.exact&&"user"!==a.ideal||(s=["front"]),s)return navigator.mediaDevices.enumerateDevices().then(function(i){i=i.filter(function(e){return"videoinput"===e.kind});var o=i.find(function(e){return s.some(function(t){return-1!==e.label.toLowerCase().indexOf(t)})});return!o&&i.length&&-1!==s.indexOf("back")&&(o=i[i.length-1]),o&&(t.video.deviceId=a.exact?{exact:o.deviceId}:{ideal:o.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:{PermissionDeniedError:"NotAllowedError",ConstraintNotSatisfiedError:"OverconstrainedError"}[e.name]||e.name,message:e.message,constraint:e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}},a=function(e,n,i){t(e,function(e){navigator.webkitGetUserMedia(e,n,function(e){i(r(e))})})};navigator.getUserMedia=a;var o=function(e){return new Promise(function(t,r){navigator.getUserMedia(e,t,r)})};if(navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:o,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 o(e)};void 0===navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){n("Dummy mediaDevices.addEventListener called.")}),void 0===navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){n("Dummy mediaDevices.removeEventListener called.")})}},{"../utils.js":11}],5:[function(e,t,r){"use strict";var n=e("../utils").browserDetails,i=e("./rtcpeerconnection_shim");t.exports={shimGetUserMedia:e("./getusermedia"),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)}}},{"../utils":11,"./getusermedia":6,"./rtcpeerconnection_shim":7}],6:[function(e,t,r){"use strict";t.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))})}}},{}],7:[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){return 0!==e.indexOf("turn:")||-1===e.indexOf("transport=udp")||-1!==e.indexOf("turn:[")||r?0===e.indexOf("stun:")&&t>=14393:(r=!0,!0)}),delete e.url,e.urls=i?n[0]:n,!!n.length}return!1})}var a=e("sdp");t.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.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=a.splitSections(e.localDescription.sdp);this._localIceCandidatesBuffer.forEach(function(r){if(r.candidate&&0!==Object.keys(r.candidate).length)t[r.candidate.sdpMLineIndex+1]+="a="+r.candidate.candidate+"\r\n";else for(var n=1;n<t.length;n++)-1===t[n].indexOf("\r\na=end-of-candidates\r\n")&&(t[n]+="a=end-of-candidates\r\n");if(e.localDescription.sdp=t.join(""),e.dispatchEvent(r),null!==e.onicecandidate&&e.onicecandidate(r),!r.candidate&&"complete"!==e.iceGatheringState){e.transceivers.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state})&&"complete"!==e.iceGatheringStateChange&&(e.iceGatheringState="complete",e._emitGatheringStateChange())}}),this._localIceCandidatesBuffer=[]},t.prototype.getConfiguration=function(){return this._config},t.prototype.addStream=function(t){if(e>=15025)this.localStreams.push(t);else{var r=t.clone();t.getTracks().forEach(function(e,t){var n=r.getTracks()[t];e.addEventListener("enabled",function(e){n.enabled=e.enabled})}),this.localStreams.push(r)}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._getCommonCapabilities=function(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 a=n(e.parameters.apt,r),o=n(t.parameters.apt,i);return a&&o&&a.name.toLowerCase()===o.name.toLowerCase()};return e.codecs.forEach(function(n){for(var a=0;a<t.codecs.length;a++){var o=t.codecs[a];if(n.name.toLowerCase()===o.name.toLowerCase()&&n.clockRate===o.clockRate){if("rtx"===n.name.toLowerCase()&&n.parameters&&o.parameters.apt&&!i(n,o,e.codecs,t.codecs))continue;o=JSON.parse(JSON.stringify(o)),o.numChannels=Math.min(n.numChannels,o.numChannels),r.codecs.push(o),o.rtcpFeedback=o.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},t.prototype._createIceAndDtlsTransports=function(e,t){var r=this,n=new RTCIceGatherer(r.iceOptions),i=new RTCIceTransport(n);n.onlocalcandidate=function(o){var s=new Event("icecandidate");s.candidate={sdpMid:e,sdpMLineIndex:t};var c=o.candidate,d=!c||0===Object.keys(c).length;d?void 0===n.state&&(n.state="completed"):(c.component="RTCP"===i.component?2:1,s.candidate.candidate=a.writeCandidate(c));var p=a.splitSections(r.localDescription.sdp);p[s.candidate.sdpMLineIndex+1]+=d?"a=end-of-candidates\r\n":"a="+s.candidate.candidate+"\r\n",r.localDescription.sdp=p.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":d||r._localIceCandidatesBuffer.push(s),d&&f&&r._localIceCandidatesBuffer.push(new Event("icecandidate"));break;case"gathering":r._emitBufferedCandidates(),d||(r.dispatchEvent(s),null!==r.onicecandidate&&r.onicecandidate(s)),f&&(r.dispatchEvent(new Event("icecandidate")),null!==r.onicecandidate&&r.onicecandidate(new Event("icecandidate")),r.iceGatheringState="complete",r._emitGatheringStateChange())}},i.onicestatechange=function(){r._updateConnectionState()};var o=new RTCDtlsTransport(i);return o.ondtlsstatechange=function(){r._updateConnectionState()},o.onerror=function(){o.state="failed",r._updateConnectionState()},{iceGatherer:n,iceTransport:i,dtlsTransport:o}},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=this._getCommonCapabilities(t.localCapabilities,t.remoteCapabilities);r&&t.rtpSender&&(i.encodings=t.sendEncodingParameters,i.rtcp={cname:a.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,r,n=this;if("offer"===e.type)this._pendingOffer&&(t=a.splitSections(e.sdp),r=t.shift(),t.forEach(function(e,t){var r=a.parseRtpParameters(e);n._pendingOffer[t].localCapabilities=r}),this.transceivers=this._pendingOffer,delete this._pendingOffer);else if("answer"===e.type){t=a.splitSections(n.remoteDescription.sdp),r=t.shift();var i=a.matchPrefix(r,"a=ice-lite").length>0;t.forEach(function(e,t){var o=n.transceivers[t],s=o.iceGatherer,c=o.iceTransport,d=o.dtlsTransport,p=o.localCapabilities,u=o.remoteCapabilities;if(!a.isRejected(e)&&!o.isDatachannel){var f=a.getIceParameters(e,r),l=a.getDtlsParameters(e,r);i&&(l.role="server"),n.usingBundle&&0!==t||(c.start(s,f,i?"controlling":"controlled"),d.start(l));var m=n._getCommonCapabilities(p,u);n._transceive(o,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 o=arguments.length>1&&"function"==typeof arguments[1];if(o){var s=arguments[1];window.setTimeout(function(){s(),"new"===n.iceGatheringState&&(n.iceGatheringState="gathering",n._emitGatheringStateChange()),n._emitBufferedCandidates()},0)}var c=Promise.resolve();return c.then(function(){o||("new"===n.iceGatheringState&&(n.iceGatheringState="gathering",n._emitGatheringStateChange()),window.setTimeout(n._emitBufferedCandidates.bind(n),500))}),c},t.prototype.setRemoteDescription=function(t){var r=this,n={},i=[],o=a.splitSections(t.sdp),s=o.shift(),c=a.matchPrefix(s,"a=ice-lite").length>0,d=a.matchPrefix(s,"a=group:BUNDLE ").length>0,p=a.matchPrefix(s,"a=ice-options:")[0];switch(this.canTrickleIceCandidates=!!p&&p.substr(14).split(" ").indexOf("trickle")>=0,o.forEach(function(o,p){var u=a.splitLines(o),f=a.getKind(o),l=a.isRejected(o),m=u[0].substr(2).split(" ")[2],h=a.getDirection(o,s),v=a.parseMsid(o),g=a.getMid(o)||a.generateIdentifier();if("application"===f&&"DTLS/SCTP"===m)return void(r.transceivers[p]={mid:g,isDatachannel:!0});var w,y,C,b,T,P,S,R,E,k,x,O,D=a.parseRtpParameters(o);l||(x=a.getIceParameters(o,s),O=a.getDtlsParameters(o,s),O.role="client"),R=a.parseRtpEncodingParameters(o);var M=a.parseRtcpParameters(o),L=a.matchPrefix(o,"a=end-of-candidates",s).length>0,j=a.matchPrefix(o,"a=candidate:").map(function(e){return a.parseCandidate(e)}).filter(function(e){return"1"===e.component});if("offer"!==t.type||l)"answer"!==t.type||l||(d&&p>0&&(r._disposeIceAndDtlsTransports(p),r.transceivers[p].iceGatherer=r.transceivers[0].iceGatherer,r.transceivers[p].iceTransport=r.transceivers[0].iceTransport,r.transceivers[p].dtlsTransport=r.transceivers[0].dtlsTransport,r.transceivers[p].rtpSender&&r.transceivers[p].rtpSender.setTransport(r.transceivers[0].dtlsTransport),r.transceivers[p].rtpReceiver&&r.transceivers[p].rtpReceiver.setTransport(r.transceivers[0].dtlsTransport)),w=r.transceivers[p],y=w.iceGatherer,C=w.iceTransport,b=w.dtlsTransport,T=w.rtpSender,P=w.rtpReceiver,S=w.sendEncodingParameters,E=w.localCapabilities,r.transceivers[p].recvEncodingParameters=R,r.transceivers[p].remoteCapabilities=D,r.transceivers[p].rtcpParameters=M,(c||L)&&j.length&&C.setRemoteCandidates(j),d&&0!==p||(C.start(y,x,"controlling"),b.start(O)),r._transceive(w,"sendrecv"===h||"recvonly"===h,"sendrecv"===h||"sendonly"===h),
!P||"sendrecv"!==h&&"sendonly"!==h?delete w.rtpReceiver:(k=P.track,v?(n[v.stream]||(n[v.stream]=new MediaStream),n[v.stream].addTrack(k),i.push([k,P,n[v.stream]])):(n.default||(n.default=new MediaStream),n.default.addTrack(k),i.push([k,P,n.default]))));else{var _=d&&p>0?{iceGatherer:r.transceivers[0].iceGatherer,iceTransport:r.transceivers[0].iceTransport,dtlsTransport:r.transceivers[0].dtlsTransport}:r._createIceAndDtlsTransports(g,p);if(!L||d&&0!==p||_.iceTransport.setRemoteCandidates(j),E=RTCRtpReceiver.getCapabilities(f),e<15019&&(E.codecs=E.codecs.filter(function(e){return"rtx"!==e.name})),S=[{ssrc:1001*(2*p+2)}],"sendrecv"!==h&&"sendonly"!==h||(P=new RTCRtpReceiver(_.dtlsTransport,f),k=P.track,v?(n[v.stream]||(n[v.stream]=new MediaStream,Object.defineProperty(n[v.stream],"id",{get:function(){return v.stream}})),Object.defineProperty(k,"id",{get:function(){return v.track}}),n[v.stream].addTrack(k),i.push([k,P,n[v.stream]])):(n.default||(n.default=new MediaStream),n.default.addTrack(k),i.push([k,P,n.default]))),r.localStreams.length>0&&r.localStreams[0].getTracks().length>=p){var U;"audio"===f?U=r.localStreams[0].getAudioTracks()[0]:"video"===f&&(U=r.localStreams[0].getVideoTracks()[0]),U&&(e>=15019&&"video"===f&&(S[0].rtx={ssrc:1001*(2*p+2)+1}),T=new RTCRtpSender(U,_.dtlsTransport))}r.transceivers[p]={iceGatherer:_.iceGatherer,iceTransport:_.iceTransport,dtlsTransport:_.dtlsTransport,localCapabilities:E,remoteCapabilities:D,rtpSender:T,rtpReceiver:P,kind:f,mid:g,rtcpParameters:M,sendEncodingParameters:S,recvEncodingParameters:R},r._transceive(r.transceivers[p],!1,"sendrecv"===h||"sendonly"===h)}}),this.usingBundle=d,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(n).forEach(function(e){var t=n[e];if(t.getTracks().length){r.remoteStreams.push(t);var a=new Event("addstream");a.stream=t,r.dispatchEvent(a),null!==r.onaddstream&&window.setTimeout(function(){r.onaddstream(a)},0),i.forEach(function(e){var n=e[0],i=e[1];if(t.id===e[2].id){var a=new Event("track");a.track=n,a.receiver=i,a.streams=[t],r.dispatchEvent(a),null!==r.ontrack&&window.setTimeout(function(){r.ontrack(a)},0)}})}}),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=new Event("negotiationneeded");this.dispatchEvent(e),null!==this.onnegotiationneeded&&this.onnegotiationneeded(e)},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=[],o=0,s=0;if(this.localStreams.length&&(o=this.localStreams.reduce(function(e,t){return e+t.getAudioTracks().length},0),s=this.localStreams.reduce(function(e,t){return e+t.getVideoTracks().length},0)),r){if(r.mandatory||r.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==r.offerToReceiveAudio&&(o=!0===r.offerToReceiveAudio?1:!1===r.offerToReceiveAudio?0:r.offerToReceiveAudio),void 0!==r.offerToReceiveVideo&&(s=!0===r.offerToReceiveVideo?1:!1===r.offerToReceiveVideo?0:r.offerToReceiveVideo)}for(this.localStreams.forEach(function(e){e.getTracks().forEach(function(t){i.push({kind:t.kind,track:t,stream:e,wantReceive:"audio"===t.kind?o>0:s>0}),"audio"===t.kind?o--:"video"===t.kind&&s--})});o>0||s>0;)o>0&&(i.push({kind:"audio",wantReceive:!0}),o--),s>0&&(i.push({kind:"video",wantReceive:!0}),s--);i=n(i);var c=a.writeSessionBoilerplate(),d=[];i.forEach(function(r,n){var i=r.track,o=r.kind,s=a.generateIdentifier(),c=t.usingBundle&&n>0?{iceGatherer:d[0].iceGatherer,iceTransport:d[0].iceTransport,dtlsTransport:d[0].dtlsTransport}:t._createIceAndDtlsTransports(s,n),p=RTCRtpSender.getCapabilities(o);e<15019&&(p.codecs=p.codecs.filter(function(e){return"rtx"!==e.name})),p.codecs.forEach(function(e){"H264"===e.name&&void 0===e.parameters["level-asymmetry-allowed"]&&(e.parameters["level-asymmetry-allowed"]="1")});var u,f,l=[{ssrc:1001*(2*n+1)}];i&&(e>=15019&&"video"===o&&(l[0].rtx={ssrc:1001*(2*n+1)+1}),u=new RTCRtpSender(i,c.dtlsTransport)),r.wantReceive&&(f=new RTCRtpReceiver(c.dtlsTransport,o)),d[n]={iceGatherer:c.iceGatherer,iceTransport:c.iceTransport,dtlsTransport:c.dtlsTransport,localCapabilities:p,remoteCapabilities:null,rtpSender:u,rtpReceiver:f,kind:o,mid:s,sendEncodingParameters:l,recvEncodingParameters:null}}),"max-compat"!==this._config.bundlePolicy&&(c+="a=group:BUNDLE "+d.map(function(e){return e.mid}).join(" ")+"\r\n"),c+="a=ice-options:trickle\r\n",i.forEach(function(e,t){var r=d[t];c+=a.writeMediaSection(r,r.localCapabilities,"offer",e.stream),c+="a=rtcp-rsize\r\n"}),this._pendingOffer=d;var p=new RTCSessionDescription({type:"offer",sdp:c});return arguments.length&&"function"==typeof arguments[0]&&window.setTimeout(arguments[0],0,p),Promise.resolve(p)},t.prototype.createAnswer=function(){var e=this,t=a.writeSessionBoilerplate();this.usingBundle&&(t+="a=group:BUNDLE "+this.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"),this.transceivers.forEach(function(r){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");var n=e._getCommonCapabilities(r.localCapabilities,r.remoteCapabilities);!n.codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length&&r.sendEncodingParameters[0].rtx&&delete r.sendEncodingParameters[0].rtx,t+=a.writeMediaSection(r,n,"answer",e.localStreams[0]),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?a.parseCandidate(e.candidate):{};if("tcp"===i.protocol&&(0===i.port||9===i.port))return Promise.resolve();if("1"!==i.component)return Promise.resolve();n.iceTransport.addRemoteCandidate(i);var o=a.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 s=0;s<this.transceivers.length;s++)if(this.transceivers[s].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}},{sdp:1}],8:[function(e,t,r){"use strict";var n=e("../utils").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 a=e.iceServers[i];if(a.hasOwnProperty("urls"))for(var o=0;o<a.urls.length;o++){var s={url:a.urls[o]};0===a.urls[o].indexOf("turn")&&(s.username=a.username,s.credential=a.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,a,o){return i.apply(this,[e||null]).then(function(e){if(n.version<48&&(e=t(e)),n.version<53&&!a)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(a,o)}}}};t.exports={shimOnTrack:i.shimOnTrack,shimSourceObject:i.shimSourceObject,shimPeerConnection:i.shimPeerConnection,shimGetUserMedia:e("./getusermedia")}},{"../utils":11,"./getusermedia":9}],9:[function(e,t,r){"use strict";var n=e("../utils").log,i=e("../utils").browserDetails;t.exports=function(){var e=function(e){return{name:{NotSupportedError:"TypeError",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}}},t=function(t,r,a){var o=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=o(t.audio)),t.video&&(t.video=o(t.video)),n("ff37: "+JSON.stringify(t))),navigator.mozGetUserMedia(t,r,function(t){a(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){e([{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}])})},i.version<41){var a=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return a().then(void 0,function(e){if("NotFoundError"===e.name)return[];throw e})}}if(i.version<49){var o=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(t){return o(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){if(i.version<44)return t(e,r,n);console.warn("navigator.getUserMedia has been replaced by navigator.mediaDevices.getUserMedia"),navigator.mediaDevices.getUserMedia(e).then(r,n)}}},{"../utils":11}],10:[function(e,t,r){"use strict";var n={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))}})},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)))}};t.exports={shimOnAddStream:n.shimOnAddStream,shimGetUserMedia:n.shimGetUserMedia}},{}],11:[function(e,t,r){"use strict";var n=!0,i={disableLog:function(e){return"boolean"!=typeof e?new Error("Argument type: "+typeof e+". Please use a boolean."):(n=e,e?"adapter.js logging disabled":"adapter.js logging enabled")},log:function(){if("object"==typeof window){if(n)return;"undefined"!=typeof console&&"function"==typeof console.log&&console.log.apply(console,arguments)}},extractVersion:function(e,t,r){var n=e.match(t);return n&&n.length>=r&&parseInt(n[r],10)},detectBrowser:function(){var e={};if(e.browser=null,e.version=null,"undefined"==typeof window||!window.navigator)return e.browser="Not a browser.",e;if(navigator.mozGetUserMedia)e.browser="firefox",e.version=this.extractVersion(navigator.userAgent,/Firefox\/(\d+)\./,1);else if(navigator.webkitGetUserMedia)if(window.webkitRTCPeerConnection)e.browser="chrome",e.version=this.extractVersion(navigator.userAgent,/Chrom(e|ium)\/(\d+)\./,2);else{if(!navigator.userAgent.match(/Version\/(\d+).(\d+)/))return e.browser="Unsupported webkit-based browser with GUM support but no WebRTC support.",e;e.browser="safari",e.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1)}else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))e.browser="edge",e.version=this.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2);else{if(!navigator.mediaDevices||!navigator.userAgent.match(/AppleWebKit\/(\d+)\./))return e.browser="Not a supported browser.",e;e.browser="safari",e.version=this.extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1)}return e},shimCreateObjectURL:function(){if("object"==typeof window&&window.HTMLMediaElement&&"srcObject"in window.HTMLMediaElement.prototype){var e=URL.createObjectURL.bind(URL),t=URL.revokeObjectURL.bind(URL),r=new Map,n=0;URL.createObjectURL=function(t){if("getTracks"in t){var i="polyblob:"+ ++n;return r.set(i,t),console.log("URL.createObjectURL(stream) is deprecated! Use elem.srcObject = stream instead!"),i}return e(t)},URL.revokeObjectURL=function(e){t(e),r.delete(e)};var i=Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,"src");Object.defineProperty(window.HTMLMediaElement.prototype,"src",{get:function(){return i.get.apply(this)},set:function(e){return this.srcObject=r.get(e)||null,i.set.apply(this,[e])}});var a=HTMLMediaElement.prototype.setAttribute;HTMLMediaElement.prototype.setAttribute=function(){return 2===arguments.length&&"src"===(""+arguments[0]).toLowerCase()&&(this.srcObject=r.get(arguments[1])||null),a.apply(this,arguments)}}}};t.exports={log:i.log,disableLog:i.disableLog,browserDetails:i.detectBrowser(),extractVersion:i.extractVersion,shimCreateObjectURL:i.shimCreateObjectURL,detectBrowser:i.detectBrowser.bind(i)}},{}]},{},[2])(2)});
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