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Please use a boolean."):(ht=!e,"adapter.js deprecation warnings "+(e?"disabled":"enabled"))}function yt(){if("object"==typeof window){if(ft)return;"undefined"!=typeof console&&"function"==typeof console.log&&console.log.apply(console,arguments)}}function St(e,t){ht&&console.warn(e+" is deprecated, please use "+t+" instead.")}function bt(e){const{navigator:t}=e,n={browser:null,version:null};if(void 0===e||!e.navigator)return n.browser="Not a browser.",n;if(t.mozGetUserMedia)n.browser="firefox",n.version=mt(t.userAgent,/Firefox\/(\d+)\./,1);else if(t.webkitGetUserMedia||0==e.isSecureContext&&e.webkitRTCPeerConnection&&!e.RTCIceGatherer)n.browser="chrome",n.version=mt(t.userAgent,/Chrom(e|ium)\/(\d+)\./,2);else if(t.mediaDevices&&t.userAgent.match(/Edge\/(\d+).(\d+)$/))n.browser="edge",n.version=mt(t.userAgent,/Edge\/(\d+).(\d+)$/,2);else{if(!e.RTCPeerConnection||!t.userAgent.match(/AppleWebKit\/(\d+)\./))return n.browser="Not a supported browser.",n;n.browser="safari",n.version=mt(t.userAgent,/AppleWebKit\/(\d+)\./,1),n.supportsUnifiedPlan=e.RTCRtpTransceiver&&"currentDirection"in e.RTCRtpTransceiver.prototype}return n}function kt(e){return"[object Object]"===Object.prototype.toString.call(e)}function Ct(e){return kt(e)?Object.keys(e).reduce(function(t,n){const r=kt(e[n]),i=r?Ct(e[n]):e[n],o=r&&!Object.keys(i).length;return void 0===i||o?t:Object.assign(t,{[n]:i})},{}):e}function Tt(e,t,n){const r=n?"outbound-rtp":"inbound-rtp",i=new Map;if(null===t)return i;const o=[];return e.forEach(e=>{"track"===e.type&&e.trackIdentifier===t.id&&o.push(e)}),o.forEach(t=>{e.forEach(n=>{n.type===r&&n.trackId===t.id&&function e(t,n,r){n&&!r.has(n.id)&&(r.set(n.id,n),Object.keys(n).forEach(i=>{i.endsWith("Id")?e(t,t.get(n[i]),r):i.endsWith("Ids")&&n[i].forEach(n=>{e(t,t.get(n),r)})}))}(e,n,i)})}),i}const Rt=yt;function wt(e){const t=e&&e.navigator;if(!t.mediaDevices)return;const n=bt(e),r=function(e){if("object"!=typeof e||e.mandatory||e.optional)return e;const t={};return Object.keys(e).forEach(n=>{if("require"===n||"advanced"===n||"mediaSource"===n)return;const r="object"==typeof e[n]?e[n]:{ideal:e[n]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);const i=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==r.ideal){t.optional=t.optional||[];let e={};"number"==typeof r.ideal?(e[i("min",n)]=r.ideal,t.optional.push(e),(e={})[i("max",n)]=r.ideal,t.optional.push(e)):(e[i("",n)]=r.ideal,t.optional.push(e))}void 0!==r.exact&&"number"!=typeof r.exact?(t.mandatory=t.mandatory||{},t.mandatory[i("",n)]=r.exact):["min","max"].forEach(e=>{void 0!==r[e]&&(t.mandatory=t.mandatory||{},t.mandatory[i(e,n)]=r[e])})}),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},i=function(e,i){if(n.version>=61)return i(e);if((e=JSON.parse(JSON.stringify(e)))&&"object"==typeof e.audio){const t=function(e,t,n){t in e&&!(n in e)&&(e[n]=e[t],delete e[t])};t((e=JSON.parse(JSON.stringify(e))).audio,"autoGainControl","googAutoGainControl"),t(e.audio,"noiseSuppression","googNoiseSuppression"),e.audio=r(e.audio)}if(e&&"object"==typeof e.video){let o=e.video.facingMode;o=o&&("object"==typeof o?o:{ideal:o});const a=n.version<66;if(o&&("user"===o.exact||"environment"===o.exact||"user"===o.ideal||"environment"===o.ideal)&&(!t.mediaDevices.getSupportedConstraints||!t.mediaDevices.getSupportedConstraints().facingMode||a)){let n;if(delete e.video.facingMode,"environment"===o.exact||"environment"===o.ideal?n=["back","rear"]:"user"!==o.exact&&"user"!==o.ideal||(n=["front"]),n)return t.mediaDevices.enumerateDevices().then(t=>{let a=(t=t.filter(e=>"videoinput"===e.kind)).find(e=>n.some(t=>e.label.toLowerCase().includes(t)));return!a&&t.length&&n.includes("back")&&(a=t[t.length-1]),a&&(e.video.deviceId=o.exact?{exact:a.deviceId}:{ideal:a.deviceId}),e.video=r(e.video),Rt("chrome: "+JSON.stringify(e)),i(e)})}e.video=r(e.video)}return Rt("chrome: "+JSON.stringify(e)),i(e)},o=function(e){return n.version>=64?e:{name:{PermissionDeniedError:"NotAllowedError",PermissionDismissedError:"NotAllowedError",InvalidStateError:"NotAllowedError",DevicesNotFoundError:"NotFoundError",ConstraintNotSatisfiedError:"OverconstrainedError",TrackStartError:"NotReadableError",MediaDeviceFailedDueToShutdown:"NotAllowedError",MediaDeviceKillSwitchOn:"NotAllowedError",TabCaptureError:"AbortError",ScreenCaptureError:"AbortError",DeviceCaptureError:"AbortError"}[e.name]||e.name,message:e.message,constraint:e.constraint||e.constraintName,toString(){return this.name+(this.message&&": ")+this.message}}};if(t.getUserMedia=function(e,n,r){i(e,e=>{t.webkitGetUserMedia(e,n,e=>{r&&r(o(e))})})}.bind(t),t.mediaDevices.getUserMedia){const e=t.mediaDevices.getUserMedia.bind(t.mediaDevices);t.mediaDevices.getUserMedia=function(t){return i(t,t=>e(t).then(e=>{if(t.audio&&!e.getAudioTracks().length||t.video&&!e.getVideoTracks().length)throw e.getTracks().forEach(e=>{e.stop()}),new DOMException("","NotFoundError");return e},e=>Promise.reject(o(e))))}}}function Et(e){e.MediaStream=e.MediaStream||e.webkitMediaStream}function It(e){if("object"!=typeof e||!e.RTCPeerConnection||"ontrack"in e.RTCPeerConnection.prototype)vt(e,"track",e=>(e.transceiver||Object.defineProperty(e,"transceiver",{value:{receiver:e.receiver}}),e));else{Object.defineProperty(e.RTCPeerConnection.prototype,"ontrack",{get(){return this._ontrack},set(e){this._ontrack&&this.removeEventListener("track",this._ontrack),this.addEventListener("track",this._ontrack=e)},enumerable:1,configurable:1});const t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){return this._ontrackpoly||(this._ontrackpoly=t=>{t.stream.addEventListener("addtrack",n=>{let r;r=e.RTCPeerConnection.prototype.getReceivers?this.getReceivers().find(e=>e.track&&e.track.id===n.track.id):{track:n.track};const i=new Event("track");i.track=n.track,i.receiver=r,i.transceiver={receiver:r},i.streams=[t.stream],this.dispatchEvent(i)}),t.stream.getTracks().forEach(n=>{let r;r=e.RTCPeerConnection.prototype.getReceivers?this.getReceivers().find(e=>e.track&&e.track.id===n.id):{track:n};const i=new Event("track");i.track=n,i.receiver=r,i.transceiver={receiver:r},i.streams=[t.stream],this.dispatchEvent(i)})},this.addEventListener("addstream",this._ontrackpoly)),t.apply(this,arguments)}}}function Pt(e){if("object"==typeof e&&e.RTCPeerConnection&&!("getSenders"in e.RTCPeerConnection.prototype)&&"createDTMFSender"in e.RTCPeerConnection.prototype){const t=function(e,t){return{track:t,get dtmf(){return void 0===this._dtmf&&("audio"===t.kind?this._dtmf=e.createDTMFSender(t):this._dtmf=null),this._dtmf},_pc:e}};if(!e.RTCPeerConnection.prototype.getSenders){e.RTCPeerConnection.prototype.getSenders=function(){return this._senders=this._senders||[],this._senders.slice()};const n=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,r){let i=n.apply(this,arguments);return i||(i=t(this,e),this._senders.push(i)),i};const r=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){r.apply(this,arguments);const t=this._senders.indexOf(e);-1!==t&&this._senders.splice(t,1)}}const n=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._senders=this._senders||[],n.apply(this,[e]),e.getTracks().forEach(e=>{this._senders.push(t(this,e))})};const r=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){this._senders=this._senders||[],r.apply(this,[e]),e.getTracks().forEach(e=>{const t=this._senders.find(t=>t.track===e);t&&this._senders.splice(this._senders.indexOf(t),1)})}}else if("object"==typeof e&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){const t=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){const e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e},Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=this._pc.createDTMFSender(this.track):this._dtmf=null),this._dtmf}})}}function xt(e){if(!e.RTCPeerConnection)return;const t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){const[e,n,r]=arguments;if(arguments.length>0&&"function"==typeof e)return t.apply(this,arguments);if(0===t.length&&(0===arguments.length||"function"!=typeof e))return t.apply(this,[]);const i=function(e){const t={};return e.result().forEach(e=>{const n={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach(t=>{n[t]=e.stat(t)}),t[n.id]=n}),t},o=function(e){return new Map(Object.keys(e).map(t=>[t,e[t]]))};if(arguments.length>=2){const r=function(e){n(o(i(e)))};return t.apply(this,[r,e])}return new Promise((e,n)=>{t.apply(this,[function(t){e(o(i(t)))},n])}).then(n,r)}}function At(e){if(!("object"==typeof e&&e.RTCPeerConnection&&e.RTCRtpSender&&e.RTCRtpReceiver))return;if(!("getStats"in e.RTCRtpSender.prototype)){const t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){const e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e});const n=e.RTCPeerConnection.prototype.addTrack;n&&(e.RTCPeerConnection.prototype.addTrack=function(){const e=n.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){const e=this;return this._pc.getStats().then(t=>Tt(t,e.track,1))}}if(!("getStats"in e.RTCRtpReceiver.prototype)){const t=e.RTCPeerConnection.prototype.getReceivers;t&&(e.RTCPeerConnection.prototype.getReceivers=function(){const e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e}),vt(e,"track",e=>(e.receiver._pc=e.srcElement,e)),e.RTCRtpReceiver.prototype.getStats=function(){const e=this;return this._pc.getStats().then(t=>Tt(t,e.track,0))}}if(!("getStats"in e.RTCRtpSender.prototype&&"getStats"in e.RTCRtpReceiver.prototype))return;const t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof e.MediaStreamTrack){const e=arguments[0];let t,n,r;return this.getSenders().forEach(n=>{n.track===e&&(t?r=1:t=n)}),this.getReceivers().forEach(t=>(t.track===e&&(n?r=1:n=t),t.track===e)),r||t&&n?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):t?t.getStats():n?n.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return t.apply(this,arguments)}}function Ot(e){e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map(e=>this._shimmedLocalStreams[e][0])};const t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,n){if(!n)return t.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};const r=t.apply(this,arguments);return this._shimmedLocalStreams[n.id]?-1===this._shimmedLocalStreams[n.id].indexOf(r)&&this._shimmedLocalStreams[n.id].push(r):this._shimmedLocalStreams[n.id]=[n,r],r};const n=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._shimmedLocalStreams=this._shimmedLocalStreams||{},e.getTracks().forEach(e=>{if(this.getSenders().find(t=>t.track===e))throw new DOMException("Track already exists.","InvalidAccessError")});const t=this.getSenders();n.apply(this,arguments);const r=this.getSenders().filter(e=>-1===t.indexOf(e));this._shimmedLocalStreams[e.id]=[e].concat(r)};const r=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[e.id],r.apply(this,arguments)};const i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},e&&Object.keys(this._shimmedLocalStreams).forEach(t=>{const n=this._shimmedLocalStreams[t].indexOf(e);-1!==n&&this._shimmedLocalStreams[t].splice(n,1),1===this._shimmedLocalStreams[t].length&&delete this._shimmedLocalStreams[t]}),i.apply(this,arguments)}}function Dt(e){if(!e.RTCPeerConnection)return;const t=bt(e);if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return Ot(e);const n=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){const e=n.apply(this);return this._reverseStreams=this._reverseStreams||{},e.map(e=>this._reverseStreams[e.id])};const r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){if(this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},t.getTracks().forEach(e=>{if(this.getSenders().find(t=>t.track===e))throw new DOMException("Track already exists.","InvalidAccessError")}),!this._reverseStreams[t.id]){const n=new e.MediaStream(t.getTracks());this._streams[t.id]=n,this._reverseStreams[n.id]=t,t=n}r.apply(this,[t])};const i=e.RTCPeerConnection.prototype.removeStream;function o(e,t){let n=t.sdp;return Object.keys(e._reverseStreams||[]).forEach(t=>{const r=e._reverseStreams[t],i=e._streams[r.id];n=n.replace(new RegExp(i.id,"g"),r.id)}),new RTCSessionDescription({type:t.type,sdp:n})}function a(e,t){let n=t.sdp;return Object.keys(e._reverseStreams||[]).forEach(t=>{const r=e._reverseStreams[t],i=e._streams[r.id];n=n.replace(new RegExp(r.id,"g"),i.id)}),new RTCSessionDescription({type:t.type,sdp:n})}e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},i.apply(this,[this._streams[e.id]||e]),delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id],delete this._streams[e.id]},e.RTCPeerConnection.prototype.addTrack=function(t,n){if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");const r=[].slice.call(arguments,1);if(1!==r.length||!r[0].getTracks().find(e=>e===t))throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError");const i=this.getSenders().find(e=>e.track===t);if(i)throw new DOMException("Track already exists.","InvalidAccessError");this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{};const o=this._streams[n.id];if(o)o.addTrack(t),Promise.resolve().then(()=>{this.dispatchEvent(new Event("negotiationneeded"))});else{const r=new e.MediaStream([t]);this._streams[n.id]=r,this._reverseStreams[r.id]=n,this.addStream(r)}return this.getSenders().find(e=>e.track===t)},["createOffer","createAnswer"].forEach(function(t){const n=e.RTCPeerConnection.prototype[t],r={[t](){const e=arguments;return arguments.length&&"function"==typeof arguments[0]?n.apply(this,[t=>{const n=o(this,t);e[0].apply(null,[n])},t=>{e[1]&&e[1].apply(null,t)},arguments[2]]):n.apply(this,arguments).then(e=>o(this,e))}};e.RTCPeerConnection.prototype[t]=r[t]});const s=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){return arguments.length&&arguments[0].type?(arguments[0]=a(this,arguments[0]),s.apply(this,arguments)):s.apply(this,arguments)};const c=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get(){const e=c.get.apply(this);return""===e.type?e:o(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!e._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError");if(!(e._pc===this))throw new DOMException("Sender was not created by this connection.","InvalidAccessError");let t;this._streams=this._streams||{},Object.keys(this._streams).forEach(n=>{this._streams[n].getTracks().find(t=>e.track===t)&&(t=this._streams[n])}),t&&(1===t.getTracks().length?this.removeStream(this._reverseStreams[t.id]):t.removeTrack(e.track),this.dispatchEvent(new Event("negotiationneeded")))}}function Nt(e){const t=bt(e);if(!e.RTCPeerConnection&&e.webkitRTCPeerConnection&&(e.RTCPeerConnection=e.webkitRTCPeerConnection),!e.RTCPeerConnection)return;t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){const n=e.RTCPeerConnection.prototype[t],r={[t](){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),n.apply(this,arguments)}};e.RTCPeerConnection.prototype[t]=r[t]});const n=e.RTCPeerConnection.prototype.addIceCandidate;e.RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?t.version<78&&arguments[0]&&""===arguments[0].candidate?Promise.resolve():n.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())}}function Lt(e){vt(e,"negotiationneeded",e=>{if("stable"===e.target.signalingState)return e})}var Mt=Object.freeze({shimMediaStream:Et,shimOnTrack:It,shimGetSendersWithDtmf:Pt,shimGetStats:xt,shimSenderReceiverGetStats:At,shimAddTrackRemoveTrackWithNative:Ot,shimAddTrackRemoveTrack:Dt,shimPeerConnection:Nt,fixNegotiationNeeded:Lt,shimGetUserMedia:wt,shimGetDisplayMedia:function(e,t){e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices||e.navigator.mediaDevices&&("function"==typeof t?e.navigator.mediaDevices.getDisplayMedia=function(n){return t(n).then(t=>{const r=n.video&&n.video.width,i=n.video&&n.video.height,o=n.video&&n.video.frameRate;return n.video={mandatory:{chromeMediaSource:"desktop",chromeMediaSourceId:t,maxFrameRate:o||3}},r&&(n.video.mandatory.maxWidth=r),i&&(n.video.mandatory.maxHeight=i),e.navigator.mediaDevices.getUserMedia(n)})}:console.error("shimGetDisplayMedia: getSourceId argument is not a function"))}});var jt=t(function(e){var t={generateIdentifier:function(){return Math.random().toString(36).substr(2,10)}};t.localCName=t.generateIdentifier(),t.splitLines=function(e){return e.trim().split("\n").map(function(e){return e.trim()})},t.splitSections=function(e){return e.split("\nm=").map(function(e,t){return(t>0?"m="+e:e).trim()+"\r\n"})},t.getDescription=function(e){var n=t.splitSections(e);return n&&n[0]},t.getMediaSections=function(e){var n=t.splitSections(e);return n.shift(),n},t.matchPrefix=function(e,n){return t.splitLines(e).filter(function(e){return 0===e.indexOf(n)})},t.parseCandidate=function(e){for(var t,n={foundation:(t=0===e.indexOf("a=candidate:")?e.substring(12).split(" "):e.substring(10).split(" "))[0],component:parseInt(t[1],10),protocol:t[2].toLowerCase(),priority:parseInt(t[3],10),ip:t[4],address:t[4],port:parseInt(t[5],10),type:t[7]},r=8;r<t.length;r+=2)switch(t[r]){case"raddr":n.relatedAddress=t[r+1];break;case"rport":n.relatedPort=parseInt(t[r+1],10);break;case"tcptype":n.tcpType=t[r+1];break;case"ufrag":n.ufrag=t[r+1],n.usernameFragment=t[r+1];break;default:n[t[r]]=t[r+1]}return n},t.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.address||e.ip),t.push(e.port);var n=e.type;return t.push("typ"),t.push(n),"host"!==n&&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)),(e.usernameFragment||e.ufrag)&&(t.push("ufrag"),t.push(e.usernameFragment||e.ufrag)),"candidate:"+t.join(" ")},t.parseIceOptions=function(e){return e.substr(14).split(" ")},t.parseRtpMap=function(e){var t=e.substr(9).split(" "),n={payloadType:parseInt(t.shift(),10)};return t=t[0].split("/"),n.name=t[0],n.clockRate=parseInt(t[1],10),n.channels=3===t.length?parseInt(t[2],10):1,n.numChannels=n.channels,n},t.writeRtpMap=function(e){var t=e.payloadType;void 0!==e.preferredPayloadType&&(t=e.preferredPayloadType);var n=e.channels||e.numChannels||1;return"a=rtpmap:"+t+" "+e.name+"/"+e.clockRate+(1!==n?"/"+n:"")+"\r\n"},t.parseExtmap=function(e){var t=e.substr(9).split(" ");return{id:parseInt(t[0],10),direction:t[0].indexOf("/")>0?t[0].split("/")[1]:"sendrecv",uri:t[1]}},t.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+(e.direction&&"sendrecv"!==e.direction?"/"+e.direction:"")+" "+e.uri+"\r\n"},t.parseFmtp=function(e){for(var t,n={},r=e.substr(e.indexOf(" ")+1).split(";"),i=0;i<r.length;i++)n[(t=r[i].trim().split("="))[0].trim()]=t[1];return n},t.writeFmtp=function(e){var t="",n=e.payloadType;if(void 0!==e.preferredPayloadType&&(n=e.preferredPayloadType),e.parameters&&Object.keys(e.parameters).length){var r=[];Object.keys(e.parameters).forEach(function(t){e.parameters[t]?r.push(t+"="+e.parameters[t]):r.push(t)}),t+="a=fmtp:"+n+" "+r.join(";")+"\r\n"}return t},t.parseRtcpFb=function(e){var t=e.substr(e.indexOf(" ")+1).split(" ");return{type:t.shift(),parameter:t.join(" ")}},t.writeRtcpFb=function(e){var t="",n=e.payloadType;return void 0!==e.preferredPayloadType&&(n=e.preferredPayloadType),e.rtcpFeedback&&e.rtcpFeedback.length&&e.rtcpFeedback.forEach(function(e){t+="a=rtcp-fb:"+n+" "+e.type+(e.parameter&&e.parameter.length?" "+e.parameter:"")+"\r\n"}),t},t.parseSsrcMedia=function(e){var t=e.indexOf(" "),n={ssrc:parseInt(e.substr(7,t-7),10)},r=e.indexOf(":",t);return r>-1?(n.attribute=e.substr(t+1,r-t-1),n.value=e.substr(r+1)):n.attribute=e.substr(t+1),n},t.parseSsrcGroup=function(e){var t=e.substr(13).split(" ");return{semantics:t.shift(),ssrcs:t.map(function(e){return parseInt(e,10)})}},t.getMid=function(e){var n=t.matchPrefix(e,"a=mid:")[0];if(n)return n.substr(6)},t.parseFingerprint=function(e){var t=e.substr(14).split(" ");return{algorithm:t[0].toLowerCase(),value:t[1]}},t.getDtlsParameters=function(e,n){return{role:"auto",fingerprints:t.matchPrefix(e+n,"a=fingerprint:").map(t.parseFingerprint)}},t.writeDtlsParameters=function(e,t){var n="a=setup:"+t+"\r\n";return e.fingerprints.forEach(function(e){n+="a=fingerprint:"+e.algorithm+" "+e.value+"\r\n"}),n},t.getIceParameters=function(e,n){var r=t.splitLines(e);return{usernameFragment:(r=r.concat(t.splitLines(n))).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)}},t.writeIceParameters=function(e){return"a=ice-ufrag:"+e.usernameFragment+"\r\na=ice-pwd:"+e.password+"\r\n"},t.parseRtpParameters=function(e){for(var n={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},r=t.splitLines(e)[0].split(" "),i=3;i<r.length;i++){var o=r[i],a=t.matchPrefix(e,"a=rtpmap:"+o+" ")[0];if(a){var s=t.parseRtpMap(a),c=t.matchPrefix(e,"a=fmtp:"+o+" ");switch(s.parameters=c.length?t.parseFmtp(c[0]):{},s.rtcpFeedback=t.matchPrefix(e,"a=rtcp-fb:"+o+" ").map(t.parseRtcpFb),n.codecs.push(s),s.name.toUpperCase()){case"RED":case"ULPFEC":n.fecMechanisms.push(s.name.toUpperCase())}}}return t.matchPrefix(e,"a=extmap:").forEach(function(e){n.headerExtensions.push(t.parseExtmap(e))}),n},t.writeRtpDescription=function(e,n){var r="";r+="m="+e+" ",r+=n.codecs.length>0?"9":"0",r+=" UDP/TLS/RTP/SAVPF ",r+=n.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",n.codecs.forEach(function(e){r+=t.writeRtpMap(e),r+=t.writeFmtp(e),r+=t.writeRtcpFb(e)});var i=0;return n.codecs.forEach(function(e){e.maxptime>i&&(i=e.maxptime)}),i>0&&(r+="a=maxptime:"+i+"\r\n"),r+="a=rtcp-mux\r\n",n.headerExtensions&&n.headerExtensions.forEach(function(e){r+=t.writeExtmap(e)}),r},t.parseRtpEncodingParameters=function(e){var n,r=[],i=t.parseRtpParameters(e),o=-1!==i.fecMechanisms.indexOf("RED"),a=-1!==i.fecMechanisms.indexOf("ULPFEC"),s=t.matchPrefix(e,"a=ssrc:").map(function(e){return t.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute}),c=s.length>0&&s[0].ssrc,u=t.matchPrefix(e,"a=ssrc-group:FID").map(function(e){return e.substr(17).split(" ").map(function(e){return parseInt(e,10)})});u.length>0&&u[0].length>1&&u[0][0]===c&&(n=u[0][1]),i.codecs.forEach(function(e){if("RTX"===e.name.toUpperCase()&&e.parameters.apt){var t={ssrc:c,codecPayloadType:parseInt(e.parameters.apt,10)};c&&n&&(t.rtx={ssrc:n}),r.push(t),o&&((t=JSON.parse(JSON.stringify(t))).fec={ssrc:c,mechanism:a?"red+ulpfec":"red"},r.push(t))}}),0===r.length&&c&&r.push({ssrc:c});var d=t.matchPrefix(e,"b=");return d.length&&(d=0===d[0].indexOf("b=TIAS:")?parseInt(d[0].substr(7),10):0===d[0].indexOf("b=AS:")?1e3*parseInt(d[0].substr(5),10)*.95-16e3:void 0,r.forEach(function(e){e.maxBitrate=d})),r},t.parseRtcpParameters=function(e){var n={},r=t.matchPrefix(e,"a=ssrc:").map(function(e){return t.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute})[0];r&&(n.cname=r.value,n.ssrc=r.ssrc);var i=t.matchPrefix(e,"a=rtcp-rsize");n.reducedSize=i.length>0,n.compound=0===i.length;var o=t.matchPrefix(e,"a=rtcp-mux");return n.mux=o.length>0,n},t.parseMsid=function(e){var n,r=t.matchPrefix(e,"a=msid:");if(1===r.length)return{stream:(n=r[0].substr(7).split(" "))[0],track:n[1]};var i=t.matchPrefix(e,"a=ssrc:").map(function(e){return t.parseSsrcMedia(e)}).filter(function(e){return"msid"===e.attribute});return i.length>0?{stream:(n=i[0].value.split(" "))[0],track:n[1]}:void 0},t.generateSessionId=function(){return Math.random().toString().substr(2,21)},t.writeSessionBoilerplate=function(e,n,r){var i=void 0!==n?n:2;return"v=0\r\no="+(r||"thisisadapterortc")+" "+(e||t.generateSessionId())+" "+i+" IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},t.writeMediaSection=function(e,n,r,i){var o=t.writeRtpDescription(e.kind,n);if(o+=t.writeIceParameters(e.iceGatherer.getLocalParameters()),o+=t.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===r?"actpass":"active"),o+="a=mid:"+e.mid+"\r\n",e.direction?o+="a="+e.direction+"\r\n":e.rtpSender&&e.rtpReceiver?o+="a=sendrecv\r\n":e.rtpSender?o+="a=sendonly\r\n":e.rtpReceiver?o+="a=recvonly\r\n":o+="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:"+t.localCName+"\r\n",e.rtpSender&&e.sendEncodingParameters[0].rtx&&(o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+t.localCName+"\r\n"),o},t.getDirection=function(e,n){for(var r=t.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 n?t.getDirection(n):"sendrecv"},t.getKind=function(e){return t.splitLines(e)[0].split(" ")[0].substr(2)},t.isRejected=function(e){return"0"===e.split(" ",2)[1]},t.parseMLine=function(e){var n=t.splitLines(e)[0].substr(2).split(" ");return{kind:n[0],port:parseInt(n[1],10),protocol:n[2],fmt:n.slice(3).join(" ")}},t.parseOLine=function(e){var n=t.matchPrefix(e,"o=")[0].substr(2).split(" ");return{username:n[0],sessionId:n[1],sessionVersion:parseInt(n[2],10),netType:n[3],addressType:n[4],address:n[5]}},t.isValidSDP=function(e){if("string"!=typeof e||0===e.length)return 0;for(var n=t.splitLines(e),r=0;r<n.length;r++)if(n[r].length<2||"="!==n[r].charAt(1))return 0;return 1},e.exports=t});function Vt(e,t,n,r,i){var o=jt.writeRtpDescription(e.kind,t);if(o+=jt.writeIceParameters(e.iceGatherer.getLocalParameters()),o+=jt.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===n?"actpass":i||"active"),o+="a=mid:"+e.mid+"\r\n",e.rtpSender&&e.rtpReceiver?o+="a=sendrecv\r\n":e.rtpSender?o+="a=sendonly\r\n":e.rtpReceiver?o+="a=recvonly\r\n":o+="a=inactive\r\n",e.rtpSender){var a=e.rtpSender._initialTrackId||e.rtpSender.track.id;e.rtpSender._initialTrackId=a;var s="msid:"+(r?r.id:"-")+" "+a+"\r\n";o+="a="+s,o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+s,e.sendEncodingParameters[0].rtx&&(o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+s,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:"+jt.localCName+"\r\n",e.rtpSender&&e.sendEncodingParameters[0].rtx&&(o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+jt.localCName+"\r\n"),o}function Ut(e,t){var n={codecs:[],headerExtensions:[],fecMechanisms:[]},r=function(e,t){e=parseInt(e,10);for(var n=0;n<t.length;n++)if(t[n].payloadType===e||t[n].preferredPayloadType===e)return t[n]},i=function(e,t,n,i){var o=r(e.parameters.apt,n),a=r(t.parameters.apt,i);return o&&a&&o.name.toLowerCase()===a.name.toLowerCase()};return e.codecs.forEach(function(r){for(var o=0;o<t.codecs.length;o++){var a=t.codecs[o];if(r.name.toLowerCase()===a.name.toLowerCase()&&r.clockRate===a.clockRate){if("rtx"===r.name.toLowerCase()&&r.parameters&&a.parameters.apt&&!i(r,a,e.codecs,t.codecs))continue;(a=JSON.parse(JSON.stringify(a))).numChannels=Math.min(r.numChannels,a.numChannels),n.codecs.push(a),a.rtcpFeedback=a.rtcpFeedback.filter(function(e){for(var t=0;t<r.rtcpFeedback.length;t++)if(r.rtcpFeedback[t].type===e.type&&r.rtcpFeedback[t].parameter===e.parameter)return 1;return 0});break}}}),e.headerExtensions.forEach(function(e){for(var r=0;r<t.headerExtensions.length;r++){var i=t.headerExtensions[r];if(e.uri===i.uri){n.headerExtensions.push(i);break}}}),n}function Ft(e,t,n){return-1!=={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(n)}function Gt(e,t){var n=e.getRemoteCandidates().find(function(e){return t.foundation===e.foundation&&t.ip===e.ip&&t.port===e.port&&t.priority===e.priority&&t.protocol===e.protocol&&t.type===e.type});return n||e.addRemoteCandidate(t),!n}function Bt(e,t){var n=new Error(t);return n.name=e,n.code={NotSupportedError:9,InvalidStateError:11,InvalidAccessError:15,TypeError:void 0,OperationError:void 0}[e],n}var Ht=function(e,t){function n(t,n){n.addTrack(t),n.dispatchEvent(new e.MediaStreamTrackEvent("addtrack",{track:t}))}function r(t,n,r,i){var o=new Event("track");o.track=n,o.receiver=r,o.transceiver={receiver:r},o.streams=i,e.setTimeout(function(){t._dispatchEvent("track",o)})}var i=function(n){var r=this,i=document.createDocumentFragment();if(["addEventListener","removeEventListener","dispatchEvent"].forEach(function(e){r[e]=i[e].bind(i)}),this.canTrickleIceCandidates=null,this.needNegotiation=0,this.localStreams=[],this.remoteStreams=[],this._localDescription=null,this._remoteDescription=null,this.signalingState="stable",this.iceConnectionState="new",this.connectionState="new",this.iceGatheringState="new",n=JSON.parse(JSON.stringify(n||{})),this.usingBundle="max-bundle"===n.bundlePolicy,"negotiate"===n.rtcpMuxPolicy)throw Bt("NotSupportedError","rtcpMuxPolicy 'negotiate' is not supported");switch(n.rtcpMuxPolicy||(n.rtcpMuxPolicy="require"),n.iceTransportPolicy){case"all":case"relay":break;default:n.iceTransportPolicy="all"}switch(n.bundlePolicy){case"balanced":case"max-compat":case"max-bundle":break;default:n.bundlePolicy="balanced"}if(n.iceServers=function(e,t){var n=0;return(e=JSON.parse(JSON.stringify(e))).filter(function(e){if(e&&(e.urls||e.url)){var r=e.urls||e.url;e.url&&!e.urls&&console.warn("RTCIceServer.url is deprecated! Use urls instead.");var i="string"==typeof r;return i&&(r=[r]),r=r.filter(function(e){return 0===e.indexOf("turn:")&&-1!==e.indexOf("transport=udp")&&-1===e.indexOf("turn:[")&&!n?(n=1,1):0===e.indexOf("stun:")&&t>=14393&&-1===e.indexOf("?transport=udp")}),delete e.url,e.urls=i?r[0]:r,!!r.length}})}(n.iceServers||[],t),this._iceGatherers=[],n.iceCandidatePoolSize)for(var o=n.iceCandidatePoolSize;o>0;o--)this._iceGatherers.push(new e.RTCIceGatherer({iceServers:n.iceServers,gatherPolicy:n.iceTransportPolicy}));else n.iceCandidatePoolSize=0;this._config=n,this.transceivers=[],this._sdpSessionId=jt.generateSessionId(),this._sdpSessionVersion=0,this._dtlsRole=void 0,this._isClosed=0};Object.defineProperty(i.prototype,"localDescription",{configurable:1,get:function(){return this._localDescription}}),Object.defineProperty(i.prototype,"remoteDescription",{configurable:1,get:function(){return this._remoteDescription}}),i.prototype.onicecandidate=null,i.prototype.onaddstream=null,i.prototype.ontrack=null,i.prototype.onremovestream=null,i.prototype.onsignalingstatechange=null,i.prototype.oniceconnectionstatechange=null,i.prototype.onconnectionstatechange=null,i.prototype.onicegatheringstatechange=null,i.prototype.onnegotiationneeded=null,i.prototype.ondatachannel=null,i.prototype._dispatchEvent=function(e,t){this._isClosed||(this.dispatchEvent(t),"function"==typeof this["on"+e]&&this["on"+e](t))},i.prototype._emitGatheringStateChange=function(){var e=new Event("icegatheringstatechange");this._dispatchEvent("icegatheringstatechange",e)},i.prototype.getConfiguration=function(){return this._config},i.prototype.getLocalStreams=function(){return this.localStreams},i.prototype.getRemoteStreams=function(){return this.remoteStreams},i.prototype._createTransceiver=function(e,t){var n=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,associatedRemoteMediaStreams:[],wantReceive:1};if(this.usingBundle&&n)r.iceTransport=this.transceivers[0].iceTransport,r.dtlsTransport=this.transceivers[0].dtlsTransport;else{var i=this._createIceAndDtlsTransports();r.iceTransport=i.iceTransport,r.dtlsTransport=i.dtlsTransport}return t||this.transceivers.push(r),r},i.prototype.addTrack=function(t,n){if(this._isClosed)throw Bt("InvalidStateError","Attempted to call addTrack on a closed peerconnection.");var r;if(this.transceivers.find(function(e){return e.track===t}))throw Bt("InvalidAccessError","Track already exists.");for(var i=0;i<this.transceivers.length;i++)this.transceivers[i].track||this.transceivers[i].kind!==t.kind||(r=this.transceivers[i]);return r||(r=this._createTransceiver(t.kind)),this._maybeFireNegotiationNeeded(),-1===this.localStreams.indexOf(n)&&this.localStreams.push(n),r.track=t,r.stream=n,r.rtpSender=new e.RTCRtpSender(t,r.dtlsTransport),r.rtpSender},i.prototype.addStream=function(e){var n=this;if(t>=15025)e.getTracks().forEach(function(t){n.addTrack(t,e)});else{var r=e.clone();e.getTracks().forEach(function(e,t){var n=r.getTracks()[t];e.addEventListener("enabled",function(e){n.enabled=e.enabled})}),r.getTracks().forEach(function(e){n.addTrack(e,r)})}},i.prototype.removeTrack=function(t){if(this._isClosed)throw Bt("InvalidStateError","Attempted to call removeTrack on a closed peerconnection.");if(!(t instanceof e.RTCRtpSender))throw new TypeError("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.");var n=this.transceivers.find(function(e){return e.rtpSender===t});if(!n)throw Bt("InvalidAccessError","Sender was not created by this connection.");var r=n.stream;n.rtpSender.stop(),n.rtpSender=null,n.track=null,n.stream=null,-1===this.transceivers.map(function(e){return e.stream}).indexOf(r)&&this.localStreams.indexOf(r)>-1&&this.localStreams.splice(this.localStreams.indexOf(r),1),this._maybeFireNegotiationNeeded()},i.prototype.removeStream=function(e){var t=this;e.getTracks().forEach(function(e){var n=t.getSenders().find(function(t){return t.track===e});n&&t.removeTrack(n)})},i.prototype.getSenders=function(){return this.transceivers.filter(function(e){return!!e.rtpSender}).map(function(e){return e.rtpSender})},i.prototype.getReceivers=function(){return this.transceivers.filter(function(e){return!!e.rtpReceiver}).map(function(e){return e.rtpReceiver})},i.prototype._createIceGatherer=function(t,n){var r=this;if(n&&t>0)return this.transceivers[0].iceGatherer;if(this._iceGatherers.length)return this._iceGatherers.shift();var i=new e.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});return Object.defineProperty(i,"state",{value:"new",writable:1}),this.transceivers[t].bufferedCandidateEvents=[],this.transceivers[t].bufferCandidates=function(e){var n=!e.candidate||0===Object.keys(e.candidate).length;i.state=n?"completed":"gathering",null!==r.transceivers[t].bufferedCandidateEvents&&r.transceivers[t].bufferedCandidateEvents.push(e)},i.addEventListener("localcandidate",this.transceivers[t].bufferCandidates),i},i.prototype._gather=function(t,n){var r=this,i=this.transceivers[n].iceGatherer;if(!i.onlocalcandidate){var o=this.transceivers[n].bufferedCandidateEvents;this.transceivers[n].bufferedCandidateEvents=null,i.removeEventListener("localcandidate",this.transceivers[n].bufferCandidates),i.onlocalcandidate=function(e){if(!(r.usingBundle&&n>0)){var o=new Event("icecandidate");o.candidate={sdpMid:t,sdpMLineIndex:n};var a=e.candidate,s=!a||0===Object.keys(a).length;if(s)"new"!==i.state&&"gathering"!==i.state||(i.state="completed");else{"new"===i.state&&(i.state="gathering"),a.component=1,a.ufrag=i.getLocalParameters().usernameFragment;var c=jt.writeCandidate(a);o.candidate=Object.assign(o.candidate,jt.parseCandidate(c)),o.candidate.candidate=c,o.candidate.toJSON=function(){return{candidate:o.candidate.candidate,sdpMid:o.candidate.sdpMid,sdpMLineIndex:o.candidate.sdpMLineIndex,usernameFragment:o.candidate.usernameFragment}}}var u=jt.getMediaSections(r._localDescription.sdp);u[o.candidate.sdpMLineIndex]+=s?"a=end-of-candidates\r\n":"a="+o.candidate.candidate+"\r\n",r._localDescription.sdp=jt.getDescription(r._localDescription.sdp)+u.join("");var d=r.transceivers.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state});"gathering"!==r.iceGatheringState&&(r.iceGatheringState="gathering",r._emitGatheringStateChange()),s||r._dispatchEvent("icecandidate",o),d&&(r._dispatchEvent("icecandidate",new Event("icecandidate")),r.iceGatheringState="complete",r._emitGatheringStateChange())}},e.setTimeout(function(){o.forEach(function(e){i.onlocalcandidate(e)})},0)}},i.prototype._createIceAndDtlsTransports=function(){var t=this,n=new e.RTCIceTransport(null);n.onicestatechange=function(){t._updateIceConnectionState(),t._updateConnectionState()};var r=new e.RTCDtlsTransport(n);return r.ondtlsstatechange=function(){t._updateConnectionState()},r.onerror=function(){Object.defineProperty(r,"state",{value:"failed",writable:1}),t._updateConnectionState()},{iceTransport:n,dtlsTransport:r}},i.prototype._disposeIceAndDtlsTransports=function(e){var t=this.transceivers[e].iceGatherer;t&&(delete t.onlocalcandidate,delete this.transceivers[e].iceGatherer);var n=this.transceivers[e].iceTransport;n&&(delete n.onicestatechange,delete this.transceivers[e].iceTransport);var r=this.transceivers[e].dtlsTransport;r&&(delete r.ondtlsstatechange,delete r.onerror,delete this.transceivers[e].dtlsTransport)},i.prototype._transceive=function(e,n,r){var i=Ut(e.localCapabilities,e.remoteCapabilities);n&&e.rtpSender&&(i.encodings=e.sendEncodingParameters,i.rtcp={cname:jt.localCName,compound:e.rtcpParameters.compound},e.recvEncodingParameters.length&&(i.rtcp.ssrc=e.recvEncodingParameters[0].ssrc),e.rtpSender.send(i)),r&&e.rtpReceiver&&i.codecs.length>0&&("video"===e.kind&&e.recvEncodingParameters&&t<15019&&e.recvEncodingParameters.forEach(function(e){delete e.rtx}),e.recvEncodingParameters.length?i.encodings=e.recvEncodingParameters:i.encodings=[{}],i.rtcp={compound:e.rtcpParameters.compound},e.rtcpParameters.cname&&(i.rtcp.cname=e.rtcpParameters.cname),e.sendEncodingParameters.length&&(i.rtcp.ssrc=e.sendEncodingParameters[0].ssrc),e.rtpReceiver.receive(i))},i.prototype.setLocalDescription=function(e){var t,n,r=this;if(-1===["offer","answer"].indexOf(e.type))return Promise.reject(Bt("TypeError",'Unsupported type "'+e.type+'"'));if(!Ft("setLocalDescription",e.type,r.signalingState)||r._isClosed)return Promise.reject(Bt("InvalidStateError","Can not set local "+e.type+" in state "+r.signalingState));if("offer"===e.type)t=jt.splitSections(e.sdp),n=t.shift(),t.forEach(function(e,t){var n=jt.parseRtpParameters(e);r.transceivers[t].localCapabilities=n}),r.transceivers.forEach(function(e,t){r._gather(e.mid,t)});else if("answer"===e.type){t=jt.splitSections(r._remoteDescription.sdp),n=t.shift();var i=jt.matchPrefix(n,"a=ice-lite").length>0;t.forEach(function(e,t){var o=r.transceivers[t],a=o.iceGatherer,s=o.iceTransport,c=o.dtlsTransport,u=o.localCapabilities,d=o.remoteCapabilities;if(!(jt.isRejected(e)&&0===jt.matchPrefix(e,"a=bundle-only").length)&&!o.rejected){var p=jt.getIceParameters(e,n),l=jt.getDtlsParameters(e,n);i&&(l.role="server"),r.usingBundle&&0!==t||(r._gather(o.mid,t),"new"===s.state&&s.start(a,p,i?"controlling":"controlled"),"new"===c.state&&c.start(l));var f=Ut(u,d);r._transceive(o,f.codecs.length>0,0)}})}return r._localDescription={type:e.type,sdp:e.sdp},"offer"===e.type?r._updateSignalingState("have-local-offer"):r._updateSignalingState("stable"),Promise.resolve()},i.prototype.setRemoteDescription=function(i){var o=this;if(-1===["offer","answer"].indexOf(i.type))return Promise.reject(Bt("TypeError",'Unsupported type "'+i.type+'"'));if(!Ft("setRemoteDescription",i.type,o.signalingState)||o._isClosed)return Promise.reject(Bt("InvalidStateError","Can not set remote "+i.type+" in state "+o.signalingState));var a={};o.remoteStreams.forEach(function(e){a[e.id]=e});var s=[],c=jt.splitSections(i.sdp),u=c.shift(),d=jt.matchPrefix(u,"a=ice-lite").length>0,p=jt.matchPrefix(u,"a=group:BUNDLE ").length>0;o.usingBundle=p;var l=jt.matchPrefix(u,"a=ice-options:")[0];return o.canTrickleIceCandidates=l?l.substr(14).split(" ").indexOf("trickle")>=0:0,c.forEach(function(r,c){var l=jt.splitLines(r),f=jt.getKind(r),h=jt.isRejected(r)&&0===jt.matchPrefix(r,"a=bundle-only").length,m=l[0].substr(2).split(" ")[2],v=jt.getDirection(r,u),g=jt.parseMsid(r),_=jt.getMid(r)||jt.generateIdentifier();if(h||"application"===f&&("DTLS/SCTP"===m||"UDP/DTLS/SCTP"===m))o.transceivers[c]={mid:_,kind:f,protocol:m,rejected:1};else{var y,S,b,k,C,T,R,w,E;!h&&o.transceivers[c]&&o.transceivers[c].rejected&&(o.transceivers[c]=o._createTransceiver(f,1));var I,P,x=jt.parseRtpParameters(r);h||(I=jt.getIceParameters(r,u),(P=jt.getDtlsParameters(r,u)).role="client"),R=jt.parseRtpEncodingParameters(r);var A=jt.parseRtcpParameters(r),O=jt.matchPrefix(r,"a=end-of-candidates",u).length>0,D=jt.matchPrefix(r,"a=candidate:").map(function(e){return jt.parseCandidate(e)}).filter(function(e){return 1===e.component});if(("offer"===i.type||"answer"===i.type)&&!h&&p&&c>0&&o.transceivers[c]&&(o._disposeIceAndDtlsTransports(c),o.transceivers[c].iceGatherer=o.transceivers[0].iceGatherer,o.transceivers[c].iceTransport=o.transceivers[0].iceTransport,o.transceivers[c].dtlsTransport=o.transceivers[0].dtlsTransport,o.transceivers[c].rtpSender&&o.transceivers[c].rtpSender.setTransport(o.transceivers[0].dtlsTransport),o.transceivers[c].rtpReceiver&&o.transceivers[c].rtpReceiver.setTransport(o.transceivers[0].dtlsTransport)),"offer"!==i.type||h){if("answer"===i.type&&!h){S=(y=o.transceivers[c]).iceGatherer,b=y.iceTransport,k=y.dtlsTransport,C=y.rtpReceiver,T=y.sendEncodingParameters,w=y.localCapabilities,o.transceivers[c].recvEncodingParameters=R,o.transceivers[c].remoteCapabilities=x,o.transceivers[c].rtcpParameters=A,D.length&&"new"===b.state&&(!d&&!O||p&&0!==c?D.forEach(function(e){Gt(y.iceTransport,e)}):b.setRemoteCandidates(D)),p&&0!==c||("new"===b.state&&b.start(S,I,"controlling"),"new"===k.state&&k.start(P)),!Ut(y.localCapabilities,y.remoteCapabilities).codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length&&y.sendEncodingParameters[0].rtx&&delete y.sendEncodingParameters[0].rtx,o._transceive(y,"sendrecv"===v||"recvonly"===v,"sendrecv"===v||"sendonly"===v),!C||"sendrecv"!==v&&"sendonly"!==v?delete y.rtpReceiver:(E=C.track,g?(a[g.stream]||(a[g.stream]=new e.MediaStream),n(E,a[g.stream]),s.push([E,C,a[g.stream]])):(a.default||(a.default=new e.MediaStream),n(E,a.default),s.push([E,C,a.default])))}}else{(y=o.transceivers[c]||o._createTransceiver(f)).mid=_,y.iceGatherer||(y.iceGatherer=o._createIceGatherer(c,p)),D.length&&"new"===y.iceTransport.state&&(!O||p&&0!==c?D.forEach(function(e){Gt(y.iceTransport,e)}):y.iceTransport.setRemoteCandidates(D)),w=e.RTCRtpReceiver.getCapabilities(f),t<15019&&(w.codecs=w.codecs.filter(function(e){return"rtx"!==e.name})),T=y.sendEncodingParameters||[{ssrc:1001*(2*c+2)}];var N,L=0;if("sendrecv"===v||"sendonly"===v){if(L=!y.rtpReceiver,C=y.rtpReceiver||new e.RTCRtpReceiver(y.dtlsTransport,f),L)E=C.track,g&&"-"===g.stream||(g?(a[g.stream]||(a[g.stream]=new e.MediaStream,Object.defineProperty(a[g.stream],"id",{get:function(){return g.stream}})),Object.defineProperty(E,"id",{get:function(){return g.track}}),N=a[g.stream]):(a.default||(a.default=new e.MediaStream),N=a.default)),N&&(n(E,N),y.associatedRemoteMediaStreams.push(N)),s.push([E,C,N])}else y.rtpReceiver&&y.rtpReceiver.track&&(y.associatedRemoteMediaStreams.forEach(function(t){var n=t.getTracks().find(function(e){return e.id===y.rtpReceiver.track.id});n&&function(t,n){n.removeTrack(t),n.dispatchEvent(new e.MediaStreamTrackEvent("removetrack",{track:t}))}(n,t)}),y.associatedRemoteMediaStreams=[]);y.localCapabilities=w,y.remoteCapabilities=x,y.rtpReceiver=C,y.rtcpParameters=A,y.sendEncodingParameters=T,y.recvEncodingParameters=R,o._transceive(o.transceivers[c],0,L)}}}),void 0===o._dtlsRole&&(o._dtlsRole="offer"===i.type?"active":"passive"),o._remoteDescription={type:i.type,sdp:i.sdp},"offer"===i.type?o._updateSignalingState("have-remote-offer"):o._updateSignalingState("stable"),Object.keys(a).forEach(function(t){var n=a[t];if(n.getTracks().length){if(-1===o.remoteStreams.indexOf(n)){o.remoteStreams.push(n);var i=new Event("addstream");i.stream=n,e.setTimeout(function(){o._dispatchEvent("addstream",i)})}s.forEach(function(e){var t=e[0],i=e[1];n.id===e[2].id&&r(o,t,i,[n])})}}),s.forEach(function(e){e[2]||r(o,e[0],e[1],[])}),e.setTimeout(function(){o&&o.transceivers&&o.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),Promise.resolve()},i.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._isClosed=1,this._updateSignalingState("closed")},i.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this._dispatchEvent("signalingstatechange",t)},i.prototype._maybeFireNegotiationNeeded=function(){var t=this;"stable"===this.signalingState&&1!=this.needNegotiation&&(this.needNegotiation=1,e.setTimeout(function(){if(t.needNegotiation){t.needNegotiation=0;var e=new Event("negotiationneeded");t._dispatchEvent("negotiationneeded",e)}},0))},i.prototype._updateIceConnectionState=function(){var e,t={new:0,closed:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};if(this.transceivers.forEach(function(e){e.iceTransport&&!e.rejected&&t[e.iceTransport.state]++}),e="new",t.failed>0?e="failed":t.checking>0?e="checking":t.disconnected>0?e="disconnected":t.new>0?e="new":t.connected>0?e="connected":t.completed>0&&(e="completed"),e!==this.iceConnectionState){this.iceConnectionState=e;var n=new Event("iceconnectionstatechange");this._dispatchEvent("iceconnectionstatechange",n)}},i.prototype._updateConnectionState=function(){var e,t={new:0,closed:0,connecting:0,connected:0,completed:0,disconnected:0,failed:0};if(this.transceivers.forEach(function(e){e.iceTransport&&e.dtlsTransport&&!e.rejected&&(t[e.iceTransport.state]++,t[e.dtlsTransport.state]++)}),t.connected+=t.completed,e="new",t.failed>0?e="failed":t.connecting>0?e="connecting":t.disconnected>0?e="disconnected":t.new>0?e="new":t.connected>0&&(e="connected"),e!==this.connectionState){this.connectionState=e;var n=new Event("connectionstatechange");this._dispatchEvent("connectionstatechange",n)}},i.prototype.createOffer=function(){var n=this;if(n._isClosed)return Promise.reject(Bt("InvalidStateError","Can not call createOffer after close"));var r=n.transceivers.filter(function(e){return"audio"===e.kind}).length,i=n.transceivers.filter(function(e){return"video"===e.kind}).length,o=arguments[0];if(o){if(o.mandatory||o.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==o.offerToReceiveAudio&&(r=1==o.offerToReceiveAudio?1:0==o.offerToReceiveAudio?0:o.offerToReceiveAudio),void 0!==o.offerToReceiveVideo&&(i=1==o.offerToReceiveVideo?1:0==o.offerToReceiveVideo?0:o.offerToReceiveVideo)}for(n.transceivers.forEach(function(e){"audio"===e.kind?--r<0&&(e.wantReceive=0):"video"===e.kind&&--i<0&&(e.wantReceive=0)});r>0||i>0;)r>0&&(n._createTransceiver("audio"),r--),i>0&&(n._createTransceiver("video"),i--);var a=jt.writeSessionBoilerplate(n._sdpSessionId,n._sdpSessionVersion++);n.transceivers.forEach(function(r,i){var o=r.track,a=r.kind,s=r.mid||jt.generateIdentifier();r.mid=s,r.iceGatherer||(r.iceGatherer=n._createIceGatherer(i,n.usingBundle));var c=e.RTCRtpSender.getCapabilities(a);t<15019&&(c.codecs=c.codecs.filter(function(e){return"rtx"!==e.name})),c.codecs.forEach(function(e){"H264"===e.name&&void 0===e.parameters["level-asymmetry-allowed"]&&(e.parameters["level-asymmetry-allowed"]="1"),r.remoteCapabilities&&r.remoteCapabilities.codecs&&r.remoteCapabilities.codecs.forEach(function(t){e.name.toLowerCase()===t.name.toLowerCase()&&e.clockRate===t.clockRate&&(e.preferredPayloadType=t.payloadType)})}),c.headerExtensions.forEach(function(e){(r.remoteCapabilities&&r.remoteCapabilities.headerExtensions||[]).forEach(function(t){e.uri===t.uri&&(e.id=t.id)})});var u=r.sendEncodingParameters||[{ssrc:1001*(2*i+1)}];o&&t>=15019&&"video"===a&&!u[0].rtx&&(u[0].rtx={ssrc:u[0].ssrc+1}),r.wantReceive&&(r.rtpReceiver=new e.RTCRtpReceiver(r.dtlsTransport,a)),r.localCapabilities=c,r.sendEncodingParameters=u}),"max-compat"!==n._config.bundlePolicy&&(a+="a=group:BUNDLE "+n.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"),a+="a=ice-options:trickle\r\n",n.transceivers.forEach(function(e,t){a+=Vt(e,e.localCapabilities,"offer",e.stream,n._dtlsRole),a+="a=rtcp-rsize\r\n",!e.iceGatherer||"new"===n.iceGatheringState||0!==t&&n.usingBundle||(e.iceGatherer.getLocalCandidates().forEach(function(e){e.component=1,a+="a="+jt.writeCandidate(e)+"\r\n"}),"completed"===e.iceGatherer.state&&(a+="a=end-of-candidates\r\n"))});var s=new e.RTCSessionDescription({type:"offer",sdp:a});return Promise.resolve(s)},i.prototype.createAnswer=function(){var n=this;if(n._isClosed)return Promise.reject(Bt("InvalidStateError","Can not call createAnswer after close"));if("have-remote-offer"!==n.signalingState&&"have-local-pranswer"!==n.signalingState)return Promise.reject(Bt("InvalidStateError","Can not call createAnswer in signalingState "+n.signalingState));var r=jt.writeSessionBoilerplate(n._sdpSessionId,n._sdpSessionVersion++);n.usingBundle&&(r+="a=group:BUNDLE "+n.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"),r+="a=ice-options:trickle\r\n";var i=jt.getMediaSections(n._remoteDescription.sdp).length;n.transceivers.forEach(function(e,o){if(!(o+1>i)){if(e.rejected)return"application"===e.kind?"DTLS/SCTP"===e.protocol?r+="m=application 0 DTLS/SCTP 5000\r\n":r+="m=application 0 "+e.protocol+" webrtc-datachannel\r\n":"audio"===e.kind?r+="m=audio 0 UDP/TLS/RTP/SAVPF 0\r\na=rtpmap:0 PCMU/8000\r\n":"video"===e.kind&&(r+="m=video 0 UDP/TLS/RTP/SAVPF 120\r\na=rtpmap:120 VP8/90000\r\n"),void(r+="c=IN IP4 0.0.0.0\r\na=inactive\r\na=mid:"+e.mid+"\r\n");var a;if(e.stream)"audio"===e.kind?a=e.stream.getAudioTracks()[0]:"video"===e.kind&&(a=e.stream.getVideoTracks()[0]),a&&t>=15019&&"video"===e.kind&&!e.sendEncodingParameters[0].rtx&&(e.sendEncodingParameters[0].rtx={ssrc:e.sendEncodingParameters[0].ssrc+1});var s=Ut(e.localCapabilities,e.remoteCapabilities);!s.codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length&&e.sendEncodingParameters[0].rtx&&delete e.sendEncodingParameters[0].rtx,r+=Vt(e,s,"answer",e.stream,n._dtlsRole),e.rtcpParameters&&e.rtcpParameters.reducedSize&&(r+="a=rtcp-rsize\r\n")}});var o=new e.RTCSessionDescription({type:"answer",sdp:r});return Promise.resolve(o)},i.prototype.addIceCandidate=function(e){var t,n=this;return e&&void 0===e.sdpMLineIndex&&!e.sdpMid?Promise.reject(new TypeError("sdpMLineIndex or sdpMid required")):new Promise(function(r,i){if(!n._remoteDescription)return i(Bt("InvalidStateError","Can not add ICE candidate without a remote description"));if(e&&""!==e.candidate){var o=e.sdpMLineIndex;if(e.sdpMid)for(var a=0;a<n.transceivers.length;a++)if(n.transceivers[a].mid===e.sdpMid){o=a;break}var s=n.transceivers[o];if(!s)return i(Bt("OperationError","Can not add ICE candidate"));if(s.rejected)return r();var c=Object.keys(e.candidate).length>0?jt.parseCandidate(e.candidate):{};if("tcp"===c.protocol&&(0===c.port||9===c.port))return r();if(c.component&&1!==c.component)return r();if((0===o||o>0&&s.iceTransport!==n.transceivers[0].iceTransport)&&!Gt(s.iceTransport,c))return i(Bt("OperationError","Can not add ICE candidate"));var u=e.candidate.trim();0===u.indexOf("a=")&&(u=u.substr(2)),(t=jt.getMediaSections(n._remoteDescription.sdp))[o]+="a="+(c.type?u:"end-of-candidates")+"\r\n",n._remoteDescription.sdp=jt.getDescription(n._remoteDescription.sdp)+t.join("")}else for(var d=0;d<n.transceivers.length&&(n.transceivers[d].rejected||(n.transceivers[d].iceTransport.addRemoteCandidate({}),(t=jt.getMediaSections(n._remoteDescription.sdp))[d]+="a=end-of-candidates\r\n",n._remoteDescription.sdp=jt.getDescription(n._remoteDescription.sdp)+t.join(""),!n.usingBundle));d++);r()})},i.prototype.getStats=function(t){if(t&&t instanceof e.MediaStreamTrack){var n=null;if(this.transceivers.forEach(function(e){e.rtpSender&&e.rtpSender.track===t?n=e.rtpSender:e.rtpReceiver&&e.rtpReceiver.track===t&&(n=e.rtpReceiver)}),!n)throw Bt("InvalidAccessError","Invalid selector.");return n.getStats()}var r=[];return this.transceivers.forEach(function(e){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach(function(t){e[t]&&r.push(e[t].getStats())})}),Promise.all(r).then(function(e){var t=new Map;return e.forEach(function(e){e.forEach(function(e){t.set(e.id,e)})}),t})};["RTCRtpSender","RTCRtpReceiver","RTCIceGatherer","RTCIceTransport","RTCDtlsTransport"].forEach(function(t){var n=e[t];if(n&&n.prototype&&n.prototype.getStats){var r=n.prototype.getStats;n.prototype.getStats=function(){return r.apply(this).then(function(e){var t=new Map;return Object.keys(e).forEach(function(n){var r;e[n].type={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[(r=e[n]).type]||r.type,t.set(n,e[n])}),t})}}});var o=["createOffer","createAnswer"];return o.forEach(function(e){var t=i.prototype[e];i.prototype[e]=function(){var e=arguments;return"function"==typeof e[0]||"function"==typeof e[1]?t.apply(this,[arguments[2]]).then(function(t){"function"==typeof e[0]&&e[0].apply(null,[t])},function(t){"function"==typeof e[1]&&e[1].apply(null,[t])}):t.apply(this,arguments)}}),(o=["setLocalDescription","setRemoteDescription","addIceCandidate"]).forEach(function(e){var t=i.prototype[e];i.prototype[e]=function(){var e=arguments;return"function"==typeof e[1]||"function"==typeof e[2]?t.apply(this,arguments).then(function(){"function"==typeof e[1]&&e[1].apply(null)},function(t){"function"==typeof e[2]&&e[2].apply(null,[t])}):t.apply(this,arguments)}}),["getStats"].forEach(function(e){var t=i.prototype[e];i.prototype[e]=function(){var e=arguments;return"function"==typeof e[1]?t.apply(this,arguments).then(function(){"function"==typeof e[1]&&e[1].apply(null)}):t.apply(this,arguments)}}),i};function zt(e){const t=e&&e.navigator,n=t.mediaDevices.getUserMedia.bind(t.mediaDevices);t.mediaDevices.getUserMedia=function(e){return n(e).catch(e=>Promise.reject(function(e){return{name:{PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:e.message,constraint:e.constraint,toString(){return this.name}}}(e)))}}function Jt(e){"getDisplayMedia"in e.navigator&&e.navigator.mediaDevices&&(e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices||(e.navigator.mediaDevices.getDisplayMedia=e.navigator.getDisplayMedia.bind(e.navigator)))}function Wt(e){const t=bt(e);if(e.RTCIceGatherer&&(e.RTCIceCandidate||(e.RTCIceCandidate=function(e){return e}),e.RTCSessionDescription||(e.RTCSessionDescription=function(e){return e}),t.version<15025)){const t=Object.getOwnPropertyDescriptor(e.MediaStreamTrack.prototype,"enabled");Object.defineProperty(e.MediaStreamTrack.prototype,"enabled",{set(e){t.set.call(this,e);const n=new Event("enabled");n.enabled=e,this.dispatchEvent(n)}})}!e.RTCRtpSender||"dtmf"in e.RTCRtpSender.prototype||Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=new 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Xt(e){if("object"!=typeof e||!e.RTCPeerConnection||!e.RTCRtpSender)return;if(e.RTCRtpSender&&"getStats"in e.RTCRtpSender.prototype)return;const t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){const e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e});const n=e.RTCPeerConnection.prototype.addTrack;n&&(e.RTCPeerConnection.prototype.addTrack=function(){const e=n.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map)}}function Zt(e){if("object"!=typeof e||!e.RTCPeerConnection||!e.RTCRtpSender)return;if(e.RTCRtpSender&&"getStats"in e.RTCRtpReceiver.prototype)return;const t=e.RTCPeerConnection.prototype.getReceivers;t&&(e.RTCPeerConnection.prototype.getReceivers=function(){const e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e}),vt(e,"track",e=>(e.receiver._pc=e.srcElement,e)),e.RTCRtpReceiver.prototype.getStats=function(){return 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e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.removeStream=function(e){this._localStreams||(this._localStreams=[]);const t=this._localStreams.indexOf(e);if(-1===t)return;this._localStreams.splice(t,1);const n=e.getTracks();this.getSenders().forEach(e=>{n.includes(e.track)&&this.removeTrack(e)})})}}function on(e){if("object"==typeof e&&e.RTCPeerConnection&&("getRemoteStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[]}),!("onaddstream"in e.RTCPeerConnection.prototype))){Object.defineProperty(e.RTCPeerConnection.prototype,"onaddstream",{get(){return 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t=e.RTCPeerConnection.prototype,n=t.createOffer,r=t.createAnswer,i=t.setLocalDescription,o=t.setRemoteDescription,a=t.addIceCandidate;t.createOffer=function(e,t){const r=arguments.length>=2?arguments[2]:arguments[0],i=n.apply(this,[r]);return t?(i.then(e,t),Promise.resolve()):i},t.createAnswer=function(e,t){const n=arguments.length>=2?arguments[2]:arguments[0],i=r.apply(this,[n]);return t?(i.then(e,t),Promise.resolve()):i};let s=function(e,t,n){const r=i.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r};t.setLocalDescription=s,s=function(e,t,n){const r=o.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r},t.setRemoteDescription=s,s=function(e,t,n){const r=a.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r},t.addIceCandidate=s}function sn(e){const t=e&&e.navigator;if(t.mediaDevices&&t.mediaDevices.getUserMedia){const e=t.mediaDevices,n=e.getUserMedia.bind(e);t.mediaDevices.getUserMedia=e=>n(cn(e))}!t.getUserMedia&&t.mediaDevices&&t.mediaDevices.getUserMedia&&(t.getUserMedia=function(e,n,r){t.mediaDevices.getUserMedia(e).then(n,r)}.bind(t))}function cn(e){return e&&void 0!==e.video?Object.assign({},e,{video:Ct(e.video)}):e}function un(e){const t=e.RTCPeerConnection;e.RTCPeerConnection=function(e,n){if(e&&e.iceServers){const t=[];for(let n=0;n<e.iceServers.length;n++){let r=e.iceServers[n];!r.hasOwnProperty("urls")&&r.hasOwnProperty("url")?(St("RTCIceServer.url","RTCIceServer.urls"),(r=JSON.parse(JSON.stringify(r))).urls=r.url,delete r.url,t.push(r)):t.push(e.iceServers[n])}e.iceServers=t}return new t(e,n)},e.RTCPeerConnection.prototype=t.prototype,"generateCertificate"in e.RTCPeerConnection&&Object.defineProperty(e.RTCPeerConnection,"generateCertificate",{get:()=>t.generateCertificate})}function dn(e){"object"==typeof e&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in 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mn(e){if(!(e.RTCPeerConnection&&"createDataChannel"in e.RTCPeerConnection.prototype))return;function t(e,t){const n=e.send;e.send=function(){const r=arguments[0],i=r.length||r.size||r.byteLength;if("open"===e.readyState&&t.sctp&&i>t.sctp.maxMessageSize)throw new TypeError("Message too large (can send a maximum of "+t.sctp.maxMessageSize+" bytes)");return n.apply(e,arguments)}}const n=e.RTCPeerConnection.prototype.createDataChannel;e.RTCPeerConnection.prototype.createDataChannel=function(){const e=n.apply(this,arguments);return t(e,this),e},vt(e,"datachannel",e=>(t(e.channel,e.target),e))}function vn(e){if(!e.RTCPeerConnection||"connectionState"in e.RTCPeerConnection.prototype)return;const t=e.RTCPeerConnection.prototype;Object.defineProperty(t,"connectionState",{get(){return{completed:"connected",checking:"connecting"}[this.iceConnectionState]||this.iceConnectionState},enumerable:1,configurable:1}),Object.defineProperty(t,"onconnectionstatechange",{get(){return 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e(t){et(this,e),this.sdkAppId_=t.sdkAppId,this.userId_=t.userId,this.userSig_=t.userSig,this.url_=t.url,this.backupUrl_=t.backupUrl,this.version_=t.version,this.urlWithParam_="".concat(this.url_,"?sdkAppid=").concat(this.sdkAppId_,"&identifier=").concat(this.userId_,"&userSig=").concat(this.userSig_),this.backupUrlWithParam_="".concat(this.backupUrl_,"?sdkAppid=").concat(this.sdkAppId_,"&identifier=").concat(this.userId_,"&userSig=").concat(this.userSig_),this.isConnected_=0,this.isConnecting_=0,this.tryCount_=Vu,this.socketInUse_=null,this.socket_=null,this.backupSocket_=null,this.backupTimer_=-1,this.reconnectTimer_=-1,this.signalInfo_={},this.currentState_=bu.DISCONNECTED,this.emitter_=new _u}return nt(e,[{key:"connect",value:function(){var e=this;Hn.info("connect to url: ".concat(this.urlWithParam_)),this.emitter_.emit(yu,{prevState:this.currentState_,state:bu.CONNECTING}),this.currentState_=bu.CONNECTING,this.socket_=new 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domain"),this.tryConnectBackup())):this.unbindAndCloseSocket("backup"),null===this.socket_&&null===this.backupSocket_&&(this.isConnecting_?ju({eventType:"websocketReconnectionState",result:"failed"}):ju({eventType:"websocketConnectionState",result:"failed"}),Hn.error("SignalChannel setup failed"),this.emitter_.emit(Su,new Mu({code:Lu.SIGNAL_CHANNEL_ERROR,message:"failed to connect to remote server via websocket"}))))}},{key:"onmessage",value:function(e){var t=this;if(this.isConnected_){var n=JSON.parse(e.data),r=n.cmd,i=n.content,o=Object.values(ku),a=Object.keys(ku)[o.indexOf(r)],s=Cu[a];if(r!==ku.UPDATE_REMOTE_MUTE_STAT){var c=e.target==this.socket_?this.url_:this.backupUrl_;Hn.info("[".concat(this.userId_,"] websocket[").concat(c,"] received message: ").concat(e.data)),Hn.info("[".concat(this.userId_,"] Received event: [ ").concat(s," ]"))}switch(r){case 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stunPort:").concat(i.stunport)),1===(i.rc||0)?this.emitter_.emit(Cu.REQUEST_REBUILD_SESSION,{signalInfo:this.signalInfo_}):this.emitter_.emit(s,{signalInfo:this.signalInfo_});break;case ku.CHANNEL_SETUP_FAILED:var u="sdkAppId invalid",d="";void 0!==i.errorCode&&(u=i.errorCode,d=i.errorMsg),this.emitter_.emit(Su,new Mu({code:Lu.CHANNEL_SETUP_FAILED,message:"SignalChannel setup failure: ('errorCode': ".concat(u,", 'errorMsg': ").concat(d," })")}));break;default:this.emitter_.emit(s,{data:n})}}}},{key:"reconnect",value:function(e){var t=this;this.reconnectTimer_=setTimeout(function(){t.isConnecting_=1,t.tryCount_-=1;var n=e;gu(t.signalInfo_)||(n=e+"&iip="+t.signalInfo_.relayInnerIp+"&dp="+t.signalInfo_.dataPort+"&oip="+t.signalInfo_.relayIp+"&sp="+t.signalInfo_.stunPort+"&rc=1"),t.emitter_.emit(yu,{prevState:t.currentState_,state:bu.RECONNECTING}),t.currentState_=bu.RECONNECTING,t.socket_=new WebSocket(n),t.bindSocket(t.socket_)},3e3)}},{key:"send",value:function(e){var 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RegExp("(?:a=)?candidate:([a-zA-Z0-9\\+\\/]+)\\s([0-9]{1,5})\\s([0-9a-zA-Z\\-\\.!\\%\\*_\\+\\`\\'\\~]+)\\s([0-9]{1,10})\\s((?:[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3})|(?:\\:?(?:[0-9a-fA-F]{0,4}\\:?)+))\\s([0-9]{1,5})\\styp\\s([0-9a-zA-Z\\-\\.!\\%\\*_\\+\\`\\'\\~]+)(?:\\sraddr\\s((?:[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3})|(?:\\:?(?:[0-9a-fA-F]{0,4}\\:?)+))\\srport\\s([0-9]{1,5}))?(?:\\sgeneration\\s(\\d+))?"),n=e.match(t);if(!n)return Hn.warn("parseIceCandidate(): parsed is empty: "+n),null;for(var r=["foundation","component_id","transport","priority","localIP","localPort","type","remoteIP","remotePort","generation"],i={},o=0;o<r.length;o++)i[r[o]]=n[o+1];return function(e){e.type.toUpperCase()in hp&&e.transport.toUpperCase()}(i),i},gp=vs.trim,_p=s.parseInt,yp=/^[+-]?0[Xx]/,Sp=8!==_p(ps+"08")||22!==_p(ps+"0x16")?function(e,t){var n=gp(String(e));return _p(n,t>>>0||(yp.test(n)?16:10))}:_p;Ie({global:1,forced:parseInt!=Sp},{parseInt:Sp});var bp=function(e){var t=e.split(".");return 256*parseInt(t[0])*256*256+256*parseInt(t[1])*256+256*parseInt(t[2])+parseInt(t[3])},kp=function(e,t,n){return e>=t&&e<=n},Cp=t(function(e){var t=e.exports={v:[{name:"version",reg:/^(\d*)$/}],o:[{name:"origin",reg:/^(\S*) (\d*) (\d*) (\S*) IP(\d) (\S*)/,names:["username","sessionId","sessionVersion","netType","ipVer","address"],format:"%s %s %d %s IP%d %s"}],s:[{name:"name"}],i:[{name:"description"}],u:[{name:"uri"}],e:[{name:"email"}],p:[{name:"phone"}],z:[{name:"timezones"}],r:[{name:"repeats"}],t:[{name:"timing",reg:/^(\d*) (\d*)/,names:["start","stop"],format:"%d %d"}],c:[{name:"connection",reg:/^IN IP(\d) (\S*)/,names:["version","ip"],format:"IN IP%d %s"}],b:[{push:"bandwidth",reg:/^(TIAS|AS|CT|RR|RS):(\d*)/,names:["type","limit"],format:"%s:%s"}],m:[{reg:/^(\w*) (\d*) ([\w\/]*)(?: (.*))?/,names:["type","port","protocol","payloads"],format:"%s %d %s %s"}],a:[{push:"rtp",reg:/^rtpmap:(\d*) 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(\S*)(?: (\S*))?/,names:["value","direction","encrypt-uri","uri","config"],format:function(e){return"extmap:%d"+(e.direction?"/%s":"%v")+(e["encrypt-uri"]?" %s":"%v")+" %s"+(e.config?" %s":"")}},{push:"crypto",reg:/^crypto:(\d*) ([\w_]*) (\S*)(?: (\S*))?/,names:["id","suite","config","sessionConfig"],format:function(e){return null!=e.sessionConfig?"crypto:%d %s %s %s":"crypto:%d %s %s"}},{name:"setup",reg:/^setup:(\w*)/,format:"setup:%s"},{name:"mid",reg:/^mid:([^\s]*)/,format:"mid:%s"},{name:"msid",reg:/^msid:(.*)/,format:"msid:%s"},{name:"ptime",reg:/^ptime:(\d*)/,format:"ptime:%d"},{name:"maxptime",reg:/^maxptime:(\d*)/,format:"maxptime:%d"},{name:"direction",reg:/^(sendrecv|recvonly|sendonly|inactive)/},{name:"icelite",reg:/^(ice-lite)/},{name:"iceUfrag",reg:/^ice-ufrag:(\S*)/,format:"ice-ufrag:%s"},{name:"icePwd",reg:/^ice-pwd:(\S*)/,format:"ice-pwd:%s"},{name:"fingerprint",reg:/^fingerprint:(\S*) (\S*)/,names:["type","hash"],format:"fingerprint:%s 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i=t;i.setConnection(null),e.emitter_.emit(Ld,{stream:i})}),this.remoteStreams_.clear()),this.uninstallSignalChannelEvents()}},{key:"installSignalChannelEvents",value:function(){this.isUplink_&&this.signalChannel_.on(Cu.NEW_REMOTE_SDP,this.onNewRemoteSdp,this),this.signalChannel_.on(Cu.NEW_ICE_CANDIDATE,this.onNewIceCandidate,this),this.isUplink_||(this.signalChannel_.on(Cu.UPDATE_REMOTE_SDP,this.onUpdateRemoteSdp,this),this.signalChannel_.on(Cu.UPDATE_AUDIO_SSRC,this.onUpdateAudioSSRC,this),this.signalChannel_.on(Cu.UPDATE_VIDEO_SSRC,this.onUpdateVideoSSRC,this),this.signalChannel_.on(Cu.SUBSCRIBE_ACK,this.onSubscription,this))}},{key:"uninstallSignalChannelEvents",value:function(){this.isUplink_&&this.signalChannel_.removeListener(Cu.NEW_REMOTE_SDP,this.onNewRemoteSdp,this),this.signalChannel_.removeListener(Cu.NEW_ICE_CANDIDATE,this.onNewIceCandidate,this),this.isUplink_||(this.signalChannel_.removeListener(Cu.UPDATE_REMOTE_SDP,this.onUpdateRemoteSdp,this),this.signalChannel_.removeListener(Cu.UPDATE_AUDIO_SSRC,this.onUpdateAudioSSRC,this),this.signalChannel_.removeListener(Cu.UPDATE_VIDEO_SSRC,this.onUpdateVideoSSRC,this),this.signalChannel_.removeListener(Cu.SUBSCRIBE_ACK,this.onSubscription,this))}},{key:"onNewRemoteSdp",value:function(e){if(this.hitTest(e.data.srctinyid)){var t=e.data.content;this.acceptAnswer(t)}}},{key:"onNewIceCandidate",value:function(e){this.hitTest(e.data.srctinyid)&&this.addIceCandidate(e.data.content)}},{key:"onUpdateRemoteSdp",value:function(e){var t=e.data.content;if(this.hitTest(t.srctinyid)){Hn.info("remote user [".concat(this.userId_,"] is updating sdp offer"));var n=t.newSdp;this.updateRemoteDescription(n)}}},{key:"onUpdateAudioSSRC",value:function(e){var t=e.data.content;if(this.hitTest(t.srctinyid)){Hn.info("remote user [".concat(this.userId_,"] is updating audio ssrc via sdp offer"));var n=t.newSdp;this.updateRemoteDescription(n)}}},{key:"onUpdateVideoSSRC",value:function(e){var t=e.data.content;if(this.hitTest(t.srctinyid)){Hn.info("remote user [".concat(this.userId_,"] is updating video ssrc via sdp offer"));var n=t.newSdp;this.updateRemoteDescription(n)}}},{key:"onTrack",value:function(e){var t=e.streams[0],n=e.track;if(Hn.info("[".concat(this.userId_,"] ontrack: kind: ").concat(n.kind," id: ").concat(n.id," streamId: ").concat(t.id)),"unified-plan"===this.sdpSemantics_){var r=function(e){var t=xp.parse(e),n={audio:[],video:[]};return t.media.forEach(function(e){if(e.ssrcs){var t=e.ssrcs[0].id>>16&255;if("audio"===e.type)n.audio.push(md);else if("video"==e.type){var r=t===gd?md:vd;n.video.push(r)}}}),n}(this.peerConnection_.remoteDescription.sdp);if("audio"===n.kind){if(0===r.audio.length||t.id!==md)return void Hn.debug("skip this invalid audio track")}else if(-1===r.video.indexOf(t.id))return void Hn.debug("skip this invalid video track: "+n.id+" msid: "+t.id)}ju({eventType:"ontrack",kind:n.kind});var i=0,o=this.remoteStreams_.get(t.id);if(void 0===o){var a=t.id===md?"main":"auxiliary";(o=new fp({type:a,userId:this.userId_})).setConnection(this),this.remoteStreams_.set(t.id,o),i=1}o.setMediaStream(t),"audio"===n.kind?(o.hasAudio()&&o.isPlaying()&&(Hn.debug("already has an audio track, restart audio player with the new track"),o.restartAudio()),o.setHasAudio(1)):(o.hasVideo()&&o.isPlaying()&&(Hn.debug("already has an video track, restart video player with the new track"),o.restartVideo()),o.setHasVideo(1)),i?this.emitter_.emit(Nd,{stream:o}):this.emitter_.emit(Md,{stream:o})}},{key:"isRtpSenderAvailable",value:function(){return"RTCRtpSender"in window&&"setParameters"in window.RTCRtpSender.prototype}},{key:"setBandwidth",value:(n=Ze(regeneratorRuntime.mark(function e(t,n){var r,i;return regeneratorRuntime.wrap(function(e){for(;;)switch(e.prev=e.next){case 0:if(this.isUplink_){e.next=2;break}return e.abrupt("return");case 2:void 0===n&&(n="video"),this.isRtpSenderAvailable()&&(r=this.peerConnection_.getSenders().find(function(e){return e.track&&e.track.kind===n}))&&((i=r.getParameters()).encodings||(i.encodings=[{}]),"unlimited"===t?delete i.encodings[0].maxBitrate:i.encodings[0].maxBitrate=1e3*t,r.setParameters(i).then(function(){Hn.debug(n+" bandwidth was set to "+t+" 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e.prev=15,e.t0=e.catch(1),ju({eventType:"setLocalDescription",kind:"offer",result:"failed"}),Hn.error("failed to create updated sdp offer"),new Mu({code:Lu.CREATE_OFFER_FAILED,message:"failed to create updated sdp offer"});case 20:case"end":return e.stop()}},e,this,[[1,15]])})),function(){return t.apply(this,arguments)})},{key:"acceptAnswer",value:function(e){var t=this,n=this.localStream_.getVideoBitrate(),r=this.updateVideoBandwidthRestriction(e.sdp,n),i=this.localStream_.getAudioBitrate();r=this.updateAudioBandwidthRestriction(r,i);var o={type:e.type,sdp:r};this.peerConnection_.setRemoteDescription(o).then(function(){Hn.debug("accepted anwswer: "+r),t.setBandwidth(i,"audio"),t.setBandwidth(n,"video"),t.waitForUpdatedAnswer_||(Hn.info("".concat(t.userId_," accepted remote answer, fired stream-published event")),t.emitter_.emit(jd,{stream:t.localStream_}),t.isSdpExchanged_=1,t.sendIceCandidate()),t.waitForUpdatedAnswer_&&(t.waitForUpdatedAnswer_=0,Hn.info("got updated answer")),ju({eventType:"setRemoteDescription",kind:"answer",result:"success"})},function(e){ju({eventType:"setRemoteDescription",kind:"answer",result:"failed"}),Hn.error("".concat(t.userId_," failed to accept remote answer ")+e)})}},{key:"onIceCandidate",value:function(e){if(e.candidate){var t,n,r,i,o,a,s,c,u,d,p=e.candidate;if(Hn.info("["+this.userId_+"] onIceCandidate: sdpMLineIndex: "+p.sdpMLineIndex+" sdpMid: "+p.sdpMid+" candidate: "+p.candidate),p.candidate){var l=vp(p.candidate);!l||l.transport!==mp.UDP||l.type!==hp.SRFLX&&(l.type!==hp.HOST||(t=l.localIP,n=bp(t),r=bp("10.0.0.0"),i=bp("10.255.255.255"),o=bp("172.16.0.0"),a=bp("172.31.255.255"),s=bp("192.168.0.0"),c=bp("192.168.255.255"),u=bp("127.0.0.0"),d=bp("127.255.255.255"),kp(n,r,i)||kp(n,o,a)||kp(n,s,c)||kp(n,u,d)))||(this.iceCandidates_.push({candidate:p,type:l.type}),this.sendIceCandidate())}}else if(Hn.debug("["+this.userId_+"] onIceCandidate ended"),0===this.iceCandidates_.length){var f="no valid ice candidate found";ju({eventType:"getIceCandidate",result:"failed"}),Hn.error(f),this.emitter_.emit(Fd,new Mu({message:f,code:Lu.ICE_TRANSPORT_ERROR}))}else this.sendIceCandidate(1)}},{key:"findCandidate",value:function(e){var t=this.iceCandidates_.find(function(t){return t.type===e});if(t)return t.candidate}},{key:"sendIceCandidate",value:function(e){if(!this.isIceCandidateSent_&&this.isSdpExchanged_){var t=this.findCandidate(hp.SRFLX);if(t){Hn.info("["+this.userId_+"] send ice-candidate to remote server: "+t.candidate);var n=this.isUplink_?0:this.tinyId_;this.signalChannel_.send(wu,t,n),this.isIceCandidateSent_=1,ju({eventType:"getIceCandidate",result:"success"})}if(e&&!this.isIceCandidateSent_&&(t=this.findCandidate(hp.HOST))){Hn.info("["+this.userId_+"] send ice-candidate to remote server: "+t.candidate);var r=this.isUplink_?0:this.tinyId_;this.signalChannel_.send(wu,t,r),this.isIceCandidateSent_=1,ju({eventType:"getIceCandidate",result:"success"})}}}},{key:"onIceConnectionStateChange",value:function(e){Hn.info("["+this.userId_+"] IceConnectionStateChange iceConnectionState: "+e.target.iceConnectionState+" iceGatheringState: "+e.target.iceGatheringState)}},{key:"onConnectionStateChange",value:function(e){var t=this;if(Hn.info("["+this.userId_+"] ConnectionStateChange connectionState: "+e.target.connectionState),"connecting"===e.target.connectionState){this.connectTimer_=setTimeout(function(){var e="[".concat(t.userId_,"] DTLS Transport connection timeout (").concat(10,"s)");ju({eventType:"iceConnectionState",result:"failed"}),Hn.error(e),t.emitter_.emit(Fd,new Mu({message:e,code:Lu.ICE_TRANSPORT_ERROR}))},1e4)}else clearTimeout(this.connectTimer_),this.connectTimer_=-1;if("failed"===e.target.connectionState){var n="[".concat(this.userId_,"] ICE/DTLS Transport connection failed");ju({eventType:"iceConnectionState",result:"failed"}),Hn.error(n),this.emitter_.emit(Fd,new Mu({message:n,code:Lu.ICE_TRANSPORT_ERROR}))}if(("connected"===e.target.connectionState||"completed"===e.target.connectionState)&&(ju({eventType:"iceConnectionState",result:"success"}),!this.sentSubscriptionAfterConnected_&&this.pendingSubscription_.length>0)){Hn.warn("remote [".concat(this.userId_,"] send pending subscription after PeerConnection is connected"));var r=this.pendingSubscription_[0];this.doSendSubscription(r.data,r.stream),this.sentSubscriptionAfterConnected_=1}}},{key:"onIceGatheringStateChange",value:function(e){Hn.debug("["+this.userId_+"] IceGatheringStateChange iceGatheringState: "+e.target.iceGatheringState)}},{key:"addIceCandidate",value:function(e){var t=this;Hn.info("["+this.userId_+"] add remote ice candidate: "+e.candidate),this.peerConnection_.addIceCandidate(e).then(function(){ju({eventType:"addIceCandidate",result:"success"})}).catch(function(e){ju({eventType:"addIceCandidate",result:"failed"}),Hn.error("["+t.userId_+"] failed to addIceCandidate "+e)})}},{key:"hitTest",value:function(e){return(0===e||"0"===e)&&this.isUplink_||e===this.tinyId_}},{key:"updateRemoteDescription",value:function(e){var t=this;Hn.debug("[".concat(this.userId_,"] updateRemoteDescription ").concat(e.sdp));var n=this.peerConnection_.remoteDescription.sdp;this.peerConnection_.setRemoteDescription(e).then(function(){if(ju({eventType:"setRemoteDescription",kind:"offer",result:"success"}),Hn.info("remote [".concat(t.userId_,"] update remoteDescription success")),"unified-plan"===t.sdpSemantics_){var r=function(e,t){var n=xp.parse(e).media,r=xp.parse(t).media;return{added:r.filter(function(e){var t=n.find(function(t){return t.mid===e.mid});return(void 0===t||void 0===t.ssrcs)&&e.ssrcs}),removed:n.filter(function(e){var t=r.find(function(t){return t.mid===e.mid});return(void 0===t||void 0===t.ssrcs)&&e.ssrcs})}}(n,e.sdp);t.addRemoteTrack(r.added),t.removeRemoteTrack(r.removed)}else t.removeRemoteTrackLegacy(n,e.sdp);var i=t.pendingStreams_.shift();i&&(Hn.debug("mark ".concat(i.getType()," stream exit subscription cycle")),i.setInSubscriptionCycle(0))}).catch(function(e){ju({eventType:"setRemoteDescription",kind:"offer",result:"failed"}),Hn.error("remote [".concat(t.userId_,"] update remoteDescription failed ").concat(e))})}},{key:"addRemoteTrack",value:function(e){var t=this;e.forEach(function(e){var n=e.mid,r=Op(e.ssrcs[0].id)===_d?vd:md,i=t.peerConnection_.getReceivers()[n];if(i&&i.track){Hn.info("remote [".concat(t.userId_,"] add ").concat(i.track.kind," track ").concat(i.track.id));var o=t.remoteStreams_.get(r);if(o)o.getMediaStream().addTrack(i.track),"audio"===i.track.kind?o.setHasAudio(1):o.setHasVideo(1),t.emitter_.emit(Md,{stream:o});else{Hn.debug("remoteStream for msid:".concat(r," not exist"));var a=new MediaStream;a.addTrack(i.track),(o=new fp({type:r===md?"main":"auxiliary",userId:t.userId_})).setMediaStream(a),o.setConnection(t),t.remoteStreams_.set(r,o),"audio"===i.track.kind?o.setHasAudio(1):o.setHasVideo(1),t.emitter_.emit("stream-added",{stream:o})}}})}},{key:"removeRemoteTrack",value:function(e){var t=this;e.forEach(function(e){var n=Op(e.ssrcs[0].id),r=n===gd?"video":n===_d?"auxVideo":"audio";Hn.info("remote [".concat(t.userId_,"] [").concat(r,"] track was removed"));var i="auxVideo"===r?vd:md,o=t.remoteStreams_.get(i);o&&(i!==vd&&0!==o.getMediaStream().getTracks().length||o.isInSubscriptionCycle()?("audio"===r?o.setHasAudio(0):o.setHasVideo(0),t.emitter_.emit(Md,{stream:o})):(Hn.info("[".concat(t.userId_,"] remote stream ").concat(i," removed")),t.remoteStreams_.delete(i),t.emitter_.emit(Ld,{stream:o})))})}},{key:"removeRemoteTrackLegacy",value:function(e,t){var n=this,r=Ap(e).media,i=Ap(t).media;r.filter(function(e){var t,r=i.find(function(t){return t.type===e.type}),o=gd;if("audio"===e.type)void 0!==r&&void 0!==r.ssrcs||!e.ssrcs||(Hn.info("remote [".concat(n.userId_,"] [audio] track was removed")),(t=n.remoteStreams_.get(o))&&(0===t.getMediaStream().getTracks().length?t.isInSubscriptionCycle()||(Hn.info("[".concat(n.userId_,"] remote stream ").concat(o," removed")),n.remoteStreams_.delete(o),n.emitter_.emit(Ld,{stream:t})):(t.setHasAudio(0),n.emitter_.emit(Md,{stream:t}))));else if((void 0===r||void 0===r.ssrcs)&&e.ssrcs||r.ssrcGroups&&e.ssrcGroups&&r.ssrcGroups.length<e.ssrcGroups.length){var a=0,s=0;void 0===r.ssrcs&&2===e.ssrcGroups.length?(Hn.info("remote [".concat(n.userId_,"] [main & aux video] tracks were removed")),a=1,s=1):void 0===r.ssrcs&&1===e.ssrcGroups.length?(Hn.info("remote [".concat(n.userId_,"] [main video] track was removed")),a=1):e.ssrcGroups.length>r.ssrcGroups.length&&(Hn.info("remote [".concat(n.userId_,"] [auxiliary video] track was removed")),s=1),s&&(o=vd,Hn.info("remote [".concat(n.userId_,"] remote 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answer")),t.isSdpExchanged_=1,t.sendIceCandidate()}).catch(function(e){ju({eventType:"setRemoteDescription",kind:"offer",result:"failed"}),Hn.error("remote [".concat(t.userId_,"] failed to accept remote offer"))})}},{key:"setMutedState",value:function(e,t){if(this.isUplink_){"audio"===e?t?this.mutedState_|=4:this.mutedState_&=-5:t?this.mutedState_|=1:this.mutedState_&=-2;var n={srctinyid:0,userid:this.userId_,flag:this.mutedState_};Hn.info("".concat(this.userId_," set muted state: ").concat(e," [").concat(t?"mute":"unmute","]")),this.signalChannel_.send(Au,n)}}},{key:"onSubscription",value:function(e){var t=e.data.content,n=t.srctinyid;if(this.hitTest(n)){var r=0===t.errCode?1:0,i=this.pendingSubscription_.shift();if(void 0!==i){this.subscriptionRetryCount_=0,this.isSubscriptionPending_=0,-1!==this.subscriptionTimeout_&&(clearTimeout(this.subscriptionTimeout_),this.subscriptionTimeout_=-1);var o=i.stream;Hn.info("remote [".concat(this.userId_,"] ").concat(o.getType()," stream ").concat(i.type," result: ").concat(r?"success":"failure")),"subscribe"===i.type?(ju({eventType:"subscribe",result:0===t.errCode?"success":"failed"}),this.emitter_.emit(Vd,{result:r,stream:o})):(ju({eventType:"unsubscribe",result:0===t.errCode?"success":"failed"}),this.emitter_.emit(Ud,{result:r,stream:o}))}if(this.pendingSubscription_.length>0){var a=this.pendingSubscription_[0];Hn.info("schedule a pending subscription"),this.doSendSubscription(a.data,a.stream)}}}},{key:"subscribe",value:function(e,t){void 0===t||"main"===e.getType()&&void 0!==t.audio&&void 0!==t.video&&t.audio===this.subscribeState_.audio&&t.video===this.subscribeState_.video||"auxiliary"===e.getType()&&void 0!==t.video&&this.subscribeState_.auxiliary===t.video?this.emitter_.emit(Vd,{stream:e,result:1}):("main"===e.getType()?(void 0!==t.audio&&(this.subscribeState_.audio=t.audio),void 0!==t.video&&(this.subscribeState_.video=t.video)):void 0!==t.video&&(this.subscribeState_.auxiliary=t.video),Hn.info("subscribe ".concat(e.getType()," stream with options ").concat(JSON.stringify(t)," state: ").concat(JSON.stringify(this.subscribeState_))),this.sendSubscription(e,"subscribe"))}},{key:"unsubscribe",value:function(e){"main"===e.getType()?(this.subscribeState_.audio=0,this.subscribeState_.video=0):this.subscribeState_.auxiliary=0,Hn.info("unsubscribe ".concat(e.getType()," stream with ").concat(JSON.stringify(this.subscribeState_))),this.sendSubscription(e,"unsubscribe")}},{key:"sendSubscription",value:function(e,t){var n={srctinyid:this.tinyId_,userid:this.userId_,audio:this.subscribeState_.audio,bigVideo:this.subscribeState_.video,auxVideo:this.subscribeState_.auxiliary};this.pendingSubscription_.length>0?Hn.debug("queue the subscription for later handling"):this.doSendSubscription(n,e),this.pendingSubscription_.push({stream:e,type:t,data:n}),e.setInSubscriptionCycle(1)}},{key:"doSendSubscription",value:function(e,t){var n=this;"connected"===this.peerConnection_.connectionState||"completed"===this.peerConnection_.connectionState?(t&&this.pendingStreams_.push(t),Hn.debug("doSendSubscription() send SUBSCRIBE command"),this.signalChannel_.send(Ou,e),this.isSubscriptionPending_=1,this.subscriptionTimeout_=setTimeout(function(){if(n.isSubscriptionPending_)if(Hn.warn("subscription timeout"),n.subscriptionRetryCount_+=1,n.subscriptionRetryCount_<=3){Hn.warn("resend subscription");var e=n.pendingSubscription_[0].data;n.doSendSubscription(e)}else Hn.error("remote server not response to subscription"),n.pendingSubscription_.shift(),n.pendingStreams_.shift(),n.isSubscriptionPending_=0,n.subscriptionRetryCount_=0,n.emitter_.emit(Fd,new Mu({code:Lu.SUBSCRIPTION_TIMEOUT,message:"remote server not response to subscription"}))},2e3)):Hn.warn("remote ".concat(this.userId_," try to send subscription when connectionState ").concat(this.peerConnection_.connectionState))}},{key:"getPeerConnection",value:function(){return 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n=this.prevReport_;if(this.prevReport_=JSON.parse(JSON.stringify(t)),gu(n))t.AudioReportState.uint32_audio_enc_pkg_br=8*t.AudioReportState.uint32_audio_enc_pkg_br/2,t.VideoReportState.uint32_video_rcv_br=8*t.VideoReportState.uint32_video_rcv_br/2,t.VideoReportState.uint32_video_snd_br=8*t.VideoReportState.uint32_video_snd_br/2,t.VideoReportState.VideoDecState.forEach(function(e){e.uint32_video_recv_br=8*e.uint32_video_recv_br/2,t.uint32_total_send_bps=t.AudioReportState.uint32_audio_enc_pkg_br+t.VideoReportState.uint32_video_snd_br});else{t.uint64_begine_utime=n.uint64_end_utime,t.uint32_real_num-=n.uint32_real_num,t.uint32_real_num<=0&&(t.uint32_real_num=0),t.AudioReportState.uint32_audio_real_recv_pkg-=n.AudioReportState.uint32_audio_real_recv_pkg,t.AudioReportState.uint32_audio_real_recv_pkg<=0&&(t.AudioReportState.uint32_audio_real_recv_pkg=0),t.AudioReportState.uint32_audio_enc_pkg_br-=n.AudioReportState.uint32_audio_enc_pkg_br,t.AudioReportState.uint32_audio_enc_pkg_br<=0&&(t.AudioReportState.uint32_audio_enc_pkg_br=0),t.AudioReportState.uint32_audio_enc_pkg_br=8*t.AudioReportState.uint32_audio_enc_pkg_br/2,t.VideoReportState.uint32_video_snd_br-=n.VideoReportState.uint32_video_snd_br,t.VideoReportState.uint32_video_snd_br<=0&&(t.VideoReportState.uint32_video_snd_br=0),t.VideoReportState.uint32_video_snd_br=8*t.VideoReportState.uint32_video_snd_br/2,t.AudioReportState.uint32_audio_flow-=n.AudioReportState.uint32_audio_flow,t.AudioReportState.uint32_audio_flow<=0&&(t.AudioReportState.uint32_audio_flow=0),t.VideoReportState.uint32_send_total_pkg-=n.VideoReportState.uint32_send_total_pkg,t.VideoReportState.uint32_send_total_pkg<=0&&(t.VideoReportState.uint32_send_total_pkg=0),t.VideoReportState.uint32_video_rcv_br-=n.VideoReportState.uint32_video_rcv_br,t.VideoReportState.uint32_video_rcv_br<=0&&(t.VideoReportState.uint32_video_rcv_br=0),t.VideoReportState.uint32_video_rcv_br=8*t.VideoReportState.uint32_video_rcv_br/2,t.VideoReportState.uint32_video_total_real_recv_pkg-=n.VideoReportState.uint32_video_total_real_recv_pkg,t.VideoReportState.uint32_video_total_real_recv_pkg<=0&&(t.VideoReportState.uint32_video_total_real_recv_pkg=0),t.VideoReportState.VideoEncState[0].uint32_enc_fps-=n.VideoReportState.VideoEncState[0].uint32_enc_fps,t.VideoReportState.VideoEncState[0].uint32_enc_fps<0&&(t.VideoReportState.VideoEncState[0].uint32_enc_fps=0),t.VideoReportState.VideoEncState[0].uint32_enc_fps=t.VideoReportState.VideoEncState[0].uint32_enc_fps/2;for(var r=t.VideoReportState.VideoDecState.length,i=0;i<r;i++){for(var o=t.VideoReportState.VideoDecState[i],a=o.uint64_sender_uin,s=o.uint32_video_real_recv_pkg,c=o.uint32_video_recv_br,u=o.uint32_video_recv_fps,d=0;d<n.VideoReportState.VideoDecState.length;d++){var p=n.VideoReportState.VideoDecState[d];if(p.uint64_sender_uin===a){(s-=p.uint32_video_real_recv_pkg)<=0&&(s=0),(c-=p.uint32_video_recv_br)<=0&&(c=0),(u-=p.uint32_video_recv_fps)<0&&(u=0);break}}t.VideoReportState.VideoDecState[i].uint32_video_real_recv_pkg=s,t.VideoReportState.VideoDecState[i].uint32_video_recv_br=8*c/2,t.VideoReportState.VideoDecState[i].uint32_video_recv_fps=u/2}r=t.AudioReportState.AudioDecState.length;for(var l=0;l<r;l++){for(var f=t.AudioReportState.AudioDecState[l],h=f.uint32_audio_real_recv_pkg,m=f.uint32_audio_flow,v=f.uint64_sender_uin,g=0;g<n.AudioReportState.AudioDecState.length;g++){var _=n.AudioReportState.AudioDecState[g];if(_.uint64_sender_uin===v){(h-=_.uint32_audio_real_recv_pkg)<=0&&(h=0),(m-=_.uint32_audio_flow)<=0&&(m=0);break}}t.AudioReportState.AudioDecState[l].uint32_audio_real_recv_pkg=h,t.AudioReportState.AudioDecState[l].uint32_audio_flow=m,t.AudioReportState.AudioDecState[l].uint32_audio_real_recv_br=8*m/2}t.AudioReportState.uint32_audio_real_recv_br=8*t.AudioReportState.uint32_audio_flow/2,t.uint32_real_num=t.AudioReportState.uint32_audio_real_recv_pkg+t.VideoReportState.uint32_video_total_real_recv_pkg,t.uint32_total_send_bps=t.AudioReportState.uint32_audio_enc_pkg_br+t.VideoReportState.uint32_video_snd_br,t.uint32_total_recv_bps=t.AudioReportState.uint32_audio_real_recv_br+t.VideoReportState.uint32_video_rcv_br}return t}},{key:"getStatsReport",value:(t=Ze(regeneratorRuntime.mark(function e(t,n){var r,i;return regeneratorRuntime.wrap(function(e){for(;;)switch(e.prev=e.next){case 0:return r={uint64_begine_utime:(new 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0!==this.turnServer_.credentialType&&(this.turnServer_.credentialType=e.credentialType))}},{key:"initialize",value:function(){var e=this;return new Promise(function(t,n){Hn.info("setup signal channel for userId: "+e.userId_),e.signalChannel_=new Uu({sdkAppId:e.sdkAppId_,userId:e.userId_,userSig:e.userSig_,url:e.getMainUrl(),backupUrl:e.getBackupUrl(),version:e.version_}),e.signalChannel_.on(yu,function(t){Hn.info("SignalChannel state changed from ".concat(t.prevState," to ").concat(t.state)),e.emitter_.emit(Jd,t)}),e.signalChannel_.on(Su,function(t){e.isInitialized_?(e.closeUplink(),e.emitter_.emit(Zd,t)):n(t)}),e.signalChannel_.on(Cu.CHANNEL_SETUP_FAILED,function(e){Hn.error("signal channel setup failed"),n(e)}),e.signalChannel_.on(Cu.CHANNEL_SETUP_SUCCESS,function(n){e.signalInfo_=n.signalInfo,e.tinyId_=e.signalInfo_.tinyId,e.isInitialized_=1,t()}),e.signalChannel_.on(Cu.PEER_JOIN,function(t){e.disableReceiver_||e.onPeerJoin(t.data)}),e.signalChannel_.on(Cu.PEER_LEAVE,function(t){e.onPeerLeave(t.data)}),e.signalChannel_.on(Cu.UPDATE_REMOTE_MUTE_STAT,function(t){e.onUpdateRemoteMuteStat(t.data)}),e.signalChannel_.on(Cu.CLINET_BANNDED,function(t){var n=t.data.content;if(e.closeUplink(),"banned"===n.type){var r="you got banned by account admin";Hn.error("user was banned because of "+r),e.onClientBanned(r)}else if("kick"===n.type){var i="duplicated userId joining the room";Hn.error("user was banned because of "+i),e.onClientBanned(i)}else Hn.error("Relay server timeout observed"),e.emitter_.emit(Zd,new Mu({code:Lu.SERVER_TIMEOUT,message:"Relay server timeout observed"}))}),e.signalChannel_.on(Cu.REQUEST_REBUILD_SESSION,function(t){e.signalInfo_=t.signalInfo;var n=[];e.connections_&&n.push(0);var r=[],i=1,o=0,a=void 0;try{for(var s,c=e.connections_[Symbol.iterator]();!(i=(s=c.next()).done);i=1){var u=lt(s.value,2),d=u[0],p=u[1];n.push(d);var l=p.getPeerConnection().remoteDescription;l&&r.push(l.sdp)}}catch(h){o=1,a=h}finally{try{i||null==c.return||c.return()}finally{if(o)throw a}}var f={socketid:e.signalInfo_.socketId,tinyid:e.tinyId_,appid:e.sdkAppId_,openid:e.userId_,sessionid:e.roomId_,sids:n,relayInfo:e.signalInfo_.relayInnerIp,remotesdp:r};try{Hn.info("[".concat(e.userId_,"] reconnect - rebuild session with data: ").concat(JSON.stringify(f))),e.signalChannel_.send(xu,f)}catch(nl){Hn.error("reconnect failed because rebuild session failed")}}),e.signalChannel_.connect()})}},{key:"join",value:(s=Ze(regeneratorRuntime.mark(function e(t){return regeneratorRuntime.wrap(function(e){for(;;)switch(e.prev=e.next){case 0:return e.prev=0,e.next=3,this.initialize();case 3:return e.next=5,this.doJoin(t);case 5:e.next=11;break;case 7:throw 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o=t.signalInfo_,a={openid:o.openId,tinyid:o.tinyId,peerconnectionport:"",useStrRoomid:0,roomid:String(e.roomId),sdkAppID:String(t.sdkAppId_),socketid:o.socketId,userSig:t.userSig_,privMapEncrypt:i,privMap:"",relayip:o.relayInnerIp,dataport:o.dataPort,stunport:o.stunPort,checkSigSeq:o.checkSigSeq,pstnBizType:0,pstnPhoneNumber:null,recordId:t.recordId_,pureAudioPushMod:t.pureAudioPushMode_,role:"user",jsSdkVersion:String(4e3),sdpSemantics:t.sdpSemantics_,browserVersion:ad,closeLocalMedia:1,trtcscene:"live"===t.mode_?ld:pd,trtcrole:"anchor"===t.role_?fd:hd,report:null};t.joinTimeout_=setTimeout(function(){Hn.error("join room timeout observed"),r(new Mu({code:Lu.JOIN_ROOM_FAILED,message:"join room timeout"}))},2e3),t.signalChannel_.send(Eu,a),t.signalChannel_.once(Cu.JOIN_ROOM_RESULT,function(e){clearTimeout(t.joinTimeout_),t.joinTimeout_=-1;var i=e.data.content.ret;i?(Hn.error("Join room failed result: "+i+" error: "+e.data.content.error),r(new Mu({code:Lu.JOIN_ROOM_FAILED,message:"Failed 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