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b=X.get(v);if(!b||!b.webrtcStuff)throw f.warn("Invalid handle, not sending anything"),"Invalid handle";let y=b.webrtcStuff;if(!y.pc)throw f.warn("Invalid PeerConnection"),"Invalid PeerConnection";let O=C.tracks;if(!O||!Array.isArray(O)||O.length===0)return;let I=!1,w={};for(let x of O){if(delete x.gumGroup,!x.type||!["audio","video"].includes(x.type)||!x.capture||x.capture instanceof MediaStreamTrack)continue;let A=x.group?x.group:"default";w[A]||(w[A]={}),!w[A][x.type]&&(x.gumGroup=A,w[A][x.type]=x)}let W=Object.keys(w);for(let x of W){let A=w[x];(!A.audio||!A.video)&&(A.audio&&delete A.audio.gumGroup,A.video&&delete A.video.gumGroup,delete w[x])}let F=!!C.jsep;for(let x of O){if(!x.type){f.warn("Missing track type:",x);continue}if(x.type==="data"){if(y.pc.ondatachannel){f.warn("Data channel exists already, not creating another one");continue}f.log("Creating default data channel"),at(v,f.dataChanDefaultLabel,null,!1),y.pc.ondatachannel=function(N){f.log("Data channel created by Janus:",N),at(v,N.channel.label,N.channel.protocol,N.channel)};continue}if((typeof x.add>"u"||x.add===null)&&(typeof x.remove>"u"||x.remove===null)&&(typeof x.replace>"u"||x.replace===null)&&(x.add=!0),x.add&&x.remove||x.add&&x.remove&&x.replace){f.warn("Conflicting actions for track, ignoring:",x);continue}x.add&&x.replace?(f.warn("Both add and replace provided, falling back to replace:",x),delete x.add):x.remove&&x.replace&&(f.warn("Both remove and replace provided, falling back to remove:",x),delete x.replace);let A=x.type;x.type==="screen"&&(A="video");let B=null,re=null;if(x.mid?B=y.pc.getTransceivers().find(N=>N.mid===x.mid&&N.receiver.track.kind===A):B=y.pc.getTransceivers().find(N=>N.receiver.track.kind===A),x.replace||x.remove){if(!B){f.warn("Couldn't find a transceiver for track:",x);continue}if(!B.sender){f.warn("No sender in the transceiver for track:",x);continue}re=B.sender}if(F&&!B&&(B=y.pc.getTransceivers().find(N=>N.receiver.track.kind===A),!B)){f.warn("Couldn't find a transceiver for track:",x);continue}let fe=null,lt=null;if((x.remove||x.replace)&&(f.log("Removing track from PeerConnection",x),lt=re.track?re.track.id:null,await re.replaceTrack(null),lt&&y.myStream)){let N=null;if(A==="audio"&&y.myStream.getAudioTracks()&&y.myStream.getAudioTracks().length)for(let ne of y.myStream.getAudioTracks())ne.id===lt&&(N=ne,f.log("Removing audio track:",N));else if(A==="video"&&y.myStream.getVideoTracks()&&y.myStream.getVideoTracks().length)for(let ne of y.myStream.getVideoTracks())ne.id===lt&&(N=ne,f.log("Removing video track:",N));if(N){try{y.myStream.removeTrack(N),b.onlocaltrack(N,!1)}catch(ne){f.error("Error calling onlocaltrack on removal for renegotiation",ne)}if(N.dontStop!==!0)try{N.stop()}catch{}}}if(x.capture){if(x.gumGroup&&w[x.gumGroup]&&w[x.gumGroup].stream){let N=w[x.gumGroup].stream;fe=x.type==="audio"?N.getAudioTracks()[0]:N.getVideoTracks()[0],delete w[x.gumGroup].stream,delete w[x.gumGroup],delete x.gumGroup}else if(x.capture instanceof MediaStreamTrack)fe=x.capture;else{I||(I=!0,b.consentDialog(!0));let N=f.trackConstraints(x),ne=null;if(x.type==="audio"||x.type==="video"){if(x.gumGroup){let be=x.type==="audio"?"video":"audio";if(w[x.gumGroup]&&w[x.gumGroup][be]){let vt=w[x.gumGroup][be],yi=f.trackConstraints(vt);N[be]=yi[be]}}ne=await navigator.mediaDevices.getUserMedia(N),x.gumGroup&&N.audio&&N.video&&(w[x.gumGroup].stream=ne,delete x.gumGroup)}else ne=await navigator.mediaDevices.getDisplayMedia(N);fe=x.type==="audio"?ne.getAudioTracks()[0]:ne.getVideoTracks()[0]}if(x.replace){await re.replaceTrack(fe);let N="sendrecv";(x.recv===!1||B.direction==="inactive"||B.direction==="sendonly")&&(N="sendonly"),B.setDirection?B.setDirection(N):B.direction=N}else{if(y.myStream||(y.myStream=new MediaStream),A==="audio"||!x.simulcast&&!x.svc)re=y.pc.addTrack(fe,y.myStream),B=y.pc.getTransceivers().find(N=>N.sender===re);else if(x.simulcast){if(f.webRTCAdapter.browserDetails.browser!=="firefox"){f.log("Enabling rid-based simulcasting:",fe);let N=Ye(x.simulcastMaxBitrates);B=y.pc.addTransceiver(fe,{direction:"sendrecv",streams:[y.myStream],sendEncodings:x.sendEncodings||[{rid:"h",active:!0,scalabilityMode:"L1T2",maxBitrate:N.high},{rid:"m",active:!0,scalabilityMode:"L1T2",maxBitrate:N.medium,scaleResolutionDownBy:2},{rid:"l",active:!0,scalabilityMode:"L1T2",maxBitrate:N.low,scaleResolutionDownBy:4}]})}else if(f.log("Enabling Simulcasting for Firefox (RID)"),B=y.pc.addTransceiver(fe,{direction:"sendrecv",streams:[y.myStream]}),re=B?B.sender:null,re){let N=re.getParameters();N||(N={});let ne=Ye(x.simulcastMaxBitrates);N.encodings=x.sendEncodings||[{rid:"h",active:!0,maxBitrate:ne.high},{rid:"m",active:!0,maxBitrate:ne.medium,scaleResolutionDownBy:2},{rid:"l",active:!0,maxBitrate:ne.low,scaleResolutionDownBy:4}],re.setParameters(N)}}else f.log("Enabling SVC 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N=re.getParameters();!N||!N.encodings||N.encodings.length===0?f.warn("No encodings in the sender parameters, ignoring bitrate for track:",x):(N.encodings[0].maxBitrate=x.bitrate,await re.setParameters(N))}}if(A==="video"&&x.framerate){if(x.simulcast||x.svc)f.warn("Ignoring framerate for simulcast/SVC track, use sendEncodings for that");else if(isNaN(x.framerate)||x.framerate<0)f.warn("Ignoring invalid framerate for track:",x);else if(re){let N=re.getParameters();!N||!N.encodings||N.encodings.length===0?f.warn("No encodings in the sender parameters, ignoring framerate for track:",x):(N.encodings[0].maxFramerate=x.framerate,await re.setParameters(N))}}if(x.transforms){if(re&&x.transforms.sender){let N=null;RTCRtpSender.prototype.createEncodedStreams?N=re.createEncodedStreams():(RTCRtpSender.prototype.createAudioEncodedStreams||RTCRtpSender.prototype.createEncodedVideoStreams)&&(A==="audio"?N=re.createEncodedAudioStreams():A==="video"&&(N=re.createEncodedVideoStreams())),N&&(N.readableStream&&N.writableStream?N.readableStream.pipeThrough(x.transforms.sender).pipeTo(N.writableStream):N.readable&&N.writable&&N.readable.pipeThrough(x.transforms.sender).pipeTo(N.writable))}if(B&&B.receiver&&x.transforms.receiver){let N=null;RTCRtpReceiver.prototype.createEncodedStreams?N=B.receiver.createEncodedStreams():(RTCRtpReceiver.prototype.createAudioEncodedStreams||RTCRtpReceiver.prototype.createEncodedVideoStreams)&&(A==="audio"?N=B.receiver.createEncodedAudioStreams():A==="video"&&(N=B.receiver.createEncodedVideoStreams())),N&&(N.readableStream&&N.writableStream?N.readableStream.pipeThrough(x.transforms.receiver).pipeTo(N.writableStream):N.readable&&N.writable&&N.readable.pipeThrough(x.transforms.receiver).pipeTo(N.writable))}}}fe&&x.dontStop===!0&&(fe.dontStop=!0)}else if(x.recv&&(B||(B=y.pc.addTransceiver(A)),B)){if(x.codec)if(f.webRTCAdapter.browserDetails.browser==="firefox")f.warn("setCodecPreferences not supported in Firefox, ignoring codec for track:",x);else if(typeof x.codec!="string")f.warn("Invalid codec value, ignoring for track:",x);else{let N=A+"/"+x.codec.toLowerCase(),ne=RTCRtpReceiver.getCapabilities(A).codecs.filter(function(be){return be.mimeType.toLowerCase()===N});if(!ne||ne.length===0)f.warn("Codec not supported in this browser for this track, ignoring:",x);else try{B.setCodecPreferences(ne)}catch(be){f.warn("Failed enforcing codec for this "+A+" track:",be)}}if(B.receiver&&x.transforms&&x.transforms.receiver){let N=null;RTCRtpReceiver.prototype.createEncodedStreams?N=B.receiver.createEncodedStreams():(RTCRtpReceiver.prototype.createAudioEncodedStreams||RTCRtpReceiver.prototype.createEncodedVideoStreams)&&(A==="audio"?N=B.receiver.createEncodedAudioStreams():A==="video"&&(N=B.receiver.createEncodedVideoStreams())),N&&(N.readableStream&&N.writableStream?N.readableStream.pipeThrough(x.transforms.receiver).pipeTo(N.writableStream):N.readable&&N.writable&&N.readable.pipeThrough(x.transforms.receiver).pipeTo(N.writable))}}if(fe){y.myStream.addTrack(fe),fe.onended=function(N){f.log("Local track removed:",N);try{b.onlocaltrack(N.target,!1)}catch(ne){f.error("Error calling onlocaltrack following 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y=[],O=b.pc.getTransceivers();for(let I of O){let w=null;I.receiver&&I.receiver.track&&(w={mid:I.mid},w.type=I.receiver.track.kind,w.id=I.receiver.track.id,w.label=I.receiver.track.label),w&&y.push(w)}return y}function ct(v,C,b,y){y=typeof y=="function"?y:f.noop;let O=X.get(v);if(!O||!O.webrtcStuff){f.warn("Invalid handle"),y(0);return}let I=b?"remote":"local",w=O.webrtcStuff;if(w.volume[I]||(w.volume[I]={value:0}),w.pc&&w.pc.getStats&&(f.webRTCAdapter.browserDetails.browser==="chrome"||f.webRTCAdapter.browserDetails.browser==="safari")){let W=w.pc;if(C){let F=w.pc.getTransceivers().find(x=>x.mid===C&&x.receiver.track.kind==="audio");if(!F){f.warn("No audio transceiver with mid "+C),y(0);return}if(b&&!F.receiver){f.warn("Remote transceiver track unavailable"),y(0);return}else if(!b&&!F.sender){f.warn("Local transceiver track unavailable"),y(0);return}W=b?F.receiver:F.sender}return W.getStats().then(function(F){F.forEach(function(x){!x||x.kind!=="audio"||b&&!x.remoteSource||!b&&x.type!=="media-source"||y(x.audioLevel?x.audioLevel:0)})}),w.volume[I].value}else{f.warn("Getting the "+I+" volume unsupported by browser"),y(0);return}}function Tt(v,C,b){let y=X.get(v);if(!y||!y.webrtcStuff)return f.warn("Invalid handle"),!0;let O=y.webrtcStuff;if(!O.pc)return f.warn("Invalid PeerConnection"),!0;if(!O.myStream)return f.warn("Invalid local MediaStream"),!0;if(b){if(!O.myStream.getVideoTracks()||O.myStream.getVideoTracks().length===0)return f.warn("No video track"),!0;if(C){let I=O.pc.getTransceivers().find(w=>w.mid===C&&w.receiver.track.kind==="video");return I?!I.sender||!I.sender.track?(f.warn("No video sender with mid "+C),!0):!I.sender.track.enabled:(f.warn("No video transceiver with mid "+C),!0)}else return!O.myStream.getVideoTracks()[0].enabled}else{if(!O.myStream.getAudioTracks()||O.myStream.getAudioTracks().length===0)return f.warn("No audio track"),!0;if(C){let I=O.pc.getTransceivers().find(w=>w.mid===C&&w.receiver.track.kind==="audio");return I?!I.sender||!I.sender.track?(f.warn("No audio sender with mid "+C),!0):!I.sender.track.enabled:(f.warn("No audio transceiver with mid "+C),!0)}else return!O.myStream.getAudioTracks()[0].enabled}}function ft(v,C,b,y){let O=X.get(v);if(!O||!O.webrtcStuff)return f.warn("Invalid handle"),!1;let I=O.webrtcStuff;if(!I.pc)return f.warn("Invalid PeerConnection"),!1;if(!I.myStream)return f.warn("Invalid local MediaStream"),!1;if(b){if(!I.myStream.getVideoTracks()||I.myStream.getVideoTracks().length===0)return f.warn("No video track"),!1;if(C){let w=I.pc.getTransceivers().find(W=>W.mid===C&&W.receiver.track.kind==="video");if(!w)return f.warn("No video transceiver with mid "+C),!1;if(!w.sender||!w.sender.track)return f.warn("No video sender with mid "+C),!1;w.sender.track.enabled=!y}else for(const w of I.myStream.getVideoTracks())w.enabled=!y}else{if(!I.myStream.getAudioTracks()||I.myStream.getAudioTracks().length===0)return f.warn("No audio track"),!1;if(C){let w=I.pc.getTransceivers().find(W=>W.mid===C&&W.receiver.track.kind==="audio");if(!w)return f.warn("No audio transceiver with mid "+C),!1;if(!w.sender||!w.sender.track)return f.warn("No audio sender with mid "+C),!1;w.sender.track.enabled=!y}else for(const w of I.myStream.getAudioTracks())w.enabled=!y}return!0}function Ne(v,C){let b=X.get(v);if(!b||!b.webrtcStuff)return f.warn("Invalid handle"),"Invalid handle";let y=b.webrtcStuff;if(!y.pc)return"Invalid PeerConnection";if(y.pc.getStats){let O=y.pc,I=C||"default";if(C){let w=y.pc.getTransceivers().find(W=>W.mid===C&&W.receiver.track.kind==="video");if(!w)return f.warn("No video transceiver with mid "+C),"No video transceiver with mid "+C;if(!w.receiver)return f.warn("No video receiver with mid "+C),"No video receiver with mid "+C;O=w.receiver}return y.bitrate[I]||(y.bitrate[I]={timer:null,bsnow:null,bsbefore:null,tsnow:null,tsbefore:null,value:"0 kbits/sec"}),y.bitrate[I].timer?y.bitrate[I].value:(f.log("Starting bitrate timer"+(C?" for mid "+C:"")+" (via getStats)"),y.bitrate[I].timer=setInterval(function(){O.getStats().then(function(w){w.forEach(function(W){if(!W)return;let F=!1;if(((W.mediaType==="video"||W.id.toLowerCase().indexOf("video")>-1)&&W.type==="inbound-rtp"&&W.id.indexOf("rtcp")<0||W.type=="ssrc"&&W.bytesReceived&&(W.googCodecName==="VP8"||W.googCodecName===""))&&(F=!0),F)if(y.bitrate[I].bsnow=W.bytesReceived,y.bitrate[I].tsnow=W.timestamp,y.bitrate[I].bsbefore===null||y.bitrate[I].tsbefore===null)y.bitrate[I].bsbefore=y.bitrate[I].bsnow,y.bitrate[I].tsbefore=y.bitrate[I].tsnow;else{let x=y.bitrate[I].tsnow-y.bitrate[I].tsbefore;f.webRTCAdapter.browserDetails.browser==="safari"&&(x=x/1e3);let A=Math.round((y.bitrate[I].bsnow-y.bitrate[I].bsbefore)*8/x);f.webRTCAdapter.browserDetails.browser==="safari"&&(A=parseInt(A/1e3)),y.bitrate[I].value=A+" kbits/sec",y.bitrate[I].bsbefore=y.bitrate[I].bsnow,y.bitrate[I].tsbefore=y.bitrate[I].tsnow}})})},1e3),"0 kbits/sec")}else return f.warn("Getting the video bitrate unsupported by browser"),"Feature unsupported by browser"}function Ft(v,C,b){let y=X.get(v);if(!y||!y.webrtcStuff){f.warn("Invalid handle");return}let O=y.webrtcStuff;if(!O.pc){f.warn("Invalid PeerConnection");return}let I=O.pc.getTransceivers().find(W=>W.mid===C);if(!I){f.warn("No transceiver with mid",C);return}if(!I.sender){f.warn("No sender for transceiver with mid",C);return}let w=I.sender.getParameters();!w||!w.encodings||w.encodings.length===0?f.warn("No parameters encodings"):w.encodings.length>1?f.warn("Ignoring bitrate for simulcast track, use sendEncodings for that"):isNaN(b)||b<0?f.warn("Invalid bitrate (must be a positive 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n=i.RTCPeerConnection.prototype.addStream;i.RTCPeerConnection.prototype.addStream=function(u){this._senders=this._senders||[],n.apply(this,[u]),u.getTracks().forEach(p=>{this._senders.push(s(this,p))})};const o=i.RTCPeerConnection.prototype.removeStream;i.RTCPeerConnection.prototype.removeStream=function(u){this._senders=this._senders||[],o.apply(this,[u]),u.getTracks().forEach(p=>{const g=this._senders.find(T=>T.track===p);g&&this._senders.splice(this._senders.indexOf(g),1)})}}else if(typeof i=="object"&&i.RTCPeerConnection&&"getSenders"in i.RTCPeerConnection.prototype&&"createDTMFSender"in i.RTCPeerConnection.prototype&&i.RTCRtpSender&&!("dtmf"in i.RTCRtpSender.prototype)){const s=i.RTCPeerConnection.prototype.getSenders;i.RTCPeerConnection.prototype.getSenders=function(){const o=s.apply(this,[]);return o.forEach(a=>a._pc=this),o},Object.defineProperty(i.RTCRtpSender.prototype,"dtmf",{get(){return this._dtmf===void 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i.RTCRtpReceiver.prototype))return;const s=i.RTCPeerConnection.prototype.getStats;i.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof i.MediaStreamTrack){const o=arguments[0];let a,u,p;return this.getSenders().forEach(g=>{g.track===o&&(a?p=!0:a=g)}),this.getReceivers().forEach(g=>(g.track===o&&(u?p=!0:u=g),g.track===o)),p||a&&u?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):a?a.getStats():u?u.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return s.apply(this,arguments)}}function tc(i){i.RTCPeerConnection.prototype.getLocalStreams=function(){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map(p=>this._shimmedLocalStreams[p][0])};const s=i.RTCPeerConnection.prototype.addTrack;i.RTCPeerConnection.prototype.addTrack=function(p,g){if(!g)return s.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};const T=s.apply(this,arguments);return this._shimmedLocalStreams[g.id]?this._shimmedLocalStreams[g.id].indexOf(T)===-1&&this._shimmedLocalStreams[g.id].push(T):this._shimmedLocalStreams[g.id]=[g,T],T};const n=i.RTCPeerConnection.prototype.addStream;i.RTCPeerConnection.prototype.addStream=function(p){this._shimmedLocalStreams=this._shimmedLocalStreams||{},p.getTracks().forEach(l=>{if(this.getSenders().find(D=>D.track===l))throw new DOMException("Track already exists.","InvalidAccessError")});const g=this.getSenders();n.apply(this,arguments);const T=this.getSenders().filter(l=>g.indexOf(l)===-1);this._shimmedLocalStreams[p.id]=[p].concat(T)};const o=i.RTCPeerConnection.prototype.removeStream;i.RTCPeerConnection.prototype.removeStream=function(p){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[p.id],o.apply(this,arguments)};const a=i.RTCPeerConnection.prototype.removeTrack;i.RTCPeerConnection.prototype.removeTrack=function(p){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},p&&Object.keys(this._shimmedLocalStreams).forEach(g=>{const T=this._shimmedLocalStreams[g].indexOf(p);T!==-1&&this._shimmedLocalStreams[g].splice(T,1),this._shimmedLocalStreams[g].length===1&&delete this._shimmedLocalStreams[g]}),a.apply(this,arguments)}}function nc(i,s){if(!i.RTCPeerConnection)return;if(i.RTCPeerConnection.prototype.addTrack&&s.version>=65)return tc(i);const n=i.RTCPeerConnection.prototype.getLocalStreams;i.RTCPeerConnection.prototype.getLocalStreams=function(){const _=n.apply(this);return this._reverseStreams=this._reverseStreams||{},_.map(D=>this._reverseStreams[D.id])};const o=i.RTCPeerConnection.prototype.addStream;i.RTCPeerConnection.prototype.addStream=function(_){if(this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},_.getTracks().forEach(D=>{if(this.getSenders().find(z=>z.track===D))throw new DOMException("Track already exists.","InvalidAccessError")}),!this._reverseStreams[_.id]){const D=new i.MediaStream(_.getTracks());this._streams[_.id]=D,this._reverseStreams[D.id]=_,_=D}o.apply(this,[_])};const a=i.RTCPeerConnection.prototype.removeStream;i.RTCPeerConnection.prototype.removeStream=function(_){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},a.apply(this,[this._streams[_.id]||_]),delete this._reverseStreams[this._streams[_.id]?this._streams[_.id].id:_.id],delete this._streams[_.id]},i.RTCPeerConnection.prototype.addTrack=function(_,D){if(this.signalingState==="closed")throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");const H=[].slice.call(arguments,1);if(H.length!==1||!H[0].getTracks().find(ee=>ee===_))throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError");if(this.getSenders().find(ee=>ee.track===_))throw new DOMException("Track already exists.","InvalidAccessError");this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{};const j=this._streams[D.id];if(j)j.addTrack(_),Promise.resolve().then(()=>{this.dispatchEvent(new Event("negotiationneeded"))});else{const ee=new i.MediaStream([_]);this._streams[D.id]=ee,this._reverseStreams[ee.id]=D,this.addStream(ee)}return this.getSenders().find(ee=>ee.track===_)};function u(l,_){let D=_.sdp;return Object.keys(l._reverseStreams||[]).forEach(H=>{const z=l._reverseStreams[H],j=l._streams[z.id];D=D.replace(new RegExp(j.id,"g"),z.id)}),new RTCSessionDescription({type:_.type,sdp:D})}function p(l,_){let D=_.sdp;return Object.keys(l._reverseStreams||[]).forEach(H=>{const z=l._reverseStreams[H],j=l._streams[z.id];D=D.replace(new RegExp(z.id,"g"),j.id)}),new RTCSessionDescription({type:_.type,sdp:D})}["createOffer","createAnswer"].forEach(function(l){const _=i.RTCPeerConnection.prototype[l],D={[l](){const H=arguments;return arguments.length&&typeof arguments[0]=="function"?_.apply(this,[j=>{const ee=u(this,j);H[0].apply(null,[ee])},j=>{H[1]&&H[1].apply(null,j)},arguments[2]]):_.apply(this,arguments).then(j=>u(this,j))}};i.RTCPeerConnection.prototype[l]=D[l]});const g=i.RTCPeerConnection.prototype.setLocalDescription;i.RTCPeerConnection.prototype.setLocalDescription=function(){return!arguments.length||!arguments[0].type?g.apply(this,arguments):(arguments[0]=p(this,arguments[0]),g.apply(this,arguments))};const T=Object.getOwnPropertyDescriptor(i.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(i.RTCPeerConnection.prototype,"localDescription",{get(){const l=T.get.apply(this);return l.type===""?l:u(this,l)}}),i.RTCPeerConnection.prototype.removeTrack=function(_){if(this.signalingState==="closed")throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!_._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError");if(!(_._pc===this))throw new DOMException("Sender was not created by this connection.","InvalidAccessError");this._streams=this._streams||{};let H;Object.keys(this._streams).forEach(z=>{this._streams[z].getTracks().find(ee=>_.track===ee)&&(H=this._streams[z])}),H&&(H.getTracks().length===1?this.removeStream(this._reverseStreams[H.id]):H.removeTrack(_.track),this.dispatchEvent(new Event("negotiationneeded")))}}function No(i,s){!i.RTCPeerConnection&&i.webkitRTCPeerConnection&&(i.RTCPeerConnection=i.webkitRTCPeerConnection),i.RTCPeerConnection&&s.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(n){const o=i.RTCPeerConnection.prototype[n],a={[n](){return arguments[0]=new(n==="addIceCandidate"?i.RTCIceCandidate:i.RTCSessionDescription)(arguments[0]),o.apply(this,arguments)}};i.RTCPeerConnection.prototype[n]=a[n]})}function rc(i,s){In(i,"negotiationneeded",n=>{const o=n.target;if(!((s.version<72||o.getConfiguration&&o.getConfiguration().sdpSemantics==="plan-b")&&o.signalingState!=="stable"))return n})}const xu=Object.freeze(Object.defineProperty({__proto__:null,fixNegotiationNeeded:rc,shimAddTrackRemoveTrack:nc,shimAddTrackRemoveTrackWithNative:tc,shimGetDisplayMedia:Tv,shimGetSendersWithDtmf:Xu,shimGetStats:Qu,shimGetUserMedia:Ku,shimMediaStream:Yu,shimOnTrack:Zu,shimPeerConnection:No,shimSenderReceiverGetStats:ec},Symbol.toStringTag,{value:"Module"}));function ic(i,s){const n=i&&i.navigator,o=i&&i.MediaStreamTrack;if(n.getUserMedia=function(a,u,p){Vo("navigator.getUserMedia","navigator.mediaDevices.getUserMedia"),n.mediaDevices.getUserMedia(a).then(u,p)},!(s.version>55&&"autoGainControl"in n.mediaDevices.getSupportedConstraints())){const a=function(p,g,T){g in p&&!(T in p)&&(p[T]=p[g],delete p[g])},u=n.mediaDevices.getUserMedia.bind(n.mediaDevices);if(n.mediaDevices.getUserMedia=function(p){return typeof p=="object"&&typeof p.audio=="object"&&(p=JSON.parse(JSON.stringify(p)),a(p.audio,"autoGainControl","mozAutoGainControl"),a(p.audio,"noiseSuppression","mozNoiseSuppression")),u(p)},o&&o.prototype.getSettings){const p=o.prototype.getSettings;o.prototype.getSettings=function(){const g=p.apply(this,arguments);return a(g,"mozAutoGainControl","autoGainControl"),a(g,"mozNoiseSuppression","noiseSuppression"),g}}if(o&&o.prototype.applyConstraints){const p=o.prototype.applyConstraints;o.prototype.applyConstraints=function(g){return this.kind==="audio"&&typeof g=="object"&&(g=JSON.parse(JSON.stringify(g)),a(g,"autoGainControl","mozAutoGainControl"),a(g,"noiseSuppression","mozNoiseSuppression")),p.apply(this,[g])}}}}function Rv(i,s){i.navigator.mediaDevices&&"getDisplayMedia"in i.navigator.mediaDevices||i.navigator.mediaDevices&&(i.navigator.mediaDevices.getDisplayMedia=function(o){if(!(o&&o.video)){const a=new DOMException("getDisplayMedia without video constraints is undefined");return a.name="NotFoundError",a.code=8,Promise.reject(a)}return o.video===!0?o.video={mediaSource:s}:o.video.mediaSource=s,i.navigator.mediaDevices.getUserMedia(o)})}function oc(i){typeof i=="object"&&i.RTCTrackEvent&&"receiver"in i.RTCTrackEvent.prototype&&!("transceiver"in i.RTCTrackEvent.prototype)&&Object.defineProperty(i.RTCTrackEvent.prototype,"transceiver",{get(){return{receiver:this.receiver}}})}function Go(i,s){if(typeof i!="object"||!(i.RTCPeerConnection||i.mozRTCPeerConnection))return;!i.RTCPeerConnection&&i.mozRTCPeerConnection&&(i.RTCPeerConnection=i.mozRTCPeerConnection),s.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(a){const u=i.RTCPeerConnection.prototype[a],p={[a](){return arguments[0]=new(a==="addIceCandidate"?i.RTCIceCandidate:i.RTCSessionDescription)(arguments[0]),u.apply(this,arguments)}};i.RTCPeerConnection.prototype[a]=p[a]});const n={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"},o=i.RTCPeerConnection.prototype.getStats;i.RTCPeerConnection.prototype.getStats=function(){const[u,p,g]=arguments;return o.apply(this,[u||null]).then(T=>{if(s.version<53&&!p)try{T.forEach(l=>{l.type=n[l.type]||l.type})}catch(l){if(l.name!=="TypeError")throw l;T.forEach((_,D)=>{T.set(D,Object.assign({},_,{type:n[_.type]||_.type}))})}return T}).then(p,g)}}function sc(i){if(!(typeof i=="object"&&i.RTCPeerConnection&&i.RTCRtpSender)||i.RTCRtpSender&&"getStats"in i.RTCRtpSender.prototype)return;const s=i.RTCPeerConnection.prototype.getSenders;s&&(i.RTCPeerConnection.prototype.getSenders=function(){const a=s.apply(this,[]);return a.forEach(u=>u._pc=this),a});const n=i.RTCPeerConnection.prototype.addTrack;n&&(i.RTCPeerConnection.prototype.addTrack=function(){const a=n.apply(this,arguments);return a._pc=this,a}),i.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map)}}function ac(i){if(!(typeof i=="object"&&i.RTCPeerConnection&&i.RTCRtpSender)||i.RTCRtpSender&&"getStats"in i.RTCRtpReceiver.prototype)return;const s=i.RTCPeerConnection.prototype.getReceivers;s&&(i.RTCPeerConnection.prototype.getReceivers=function(){const o=s.apply(this,[]);return o.forEach(a=>a._pc=this),o}),In(i,"track",n=>(n.receiver._pc=n.srcElement,n)),i.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track)}}function uc(i){!i.RTCPeerConnection||"removeStream"in i.RTCPeerConnection.prototype||(i.RTCPeerConnection.prototype.removeStream=function(n){Vo("removeStream","removeTrack"),this.getSenders().forEach(o=>{o.track&&n.getTracks().includes(o.track)&&this.removeTrack(o)})})}function cc(i){i.DataChannel&&!i.RTCDataChannel&&(i.RTCDataChannel=i.DataChannel)}function fc(i){if(!(typeof i=="object"&&i.RTCPeerConnection))return;const s=i.RTCPeerConnection.prototype.addTransceiver;s&&(i.RTCPeerConnection.prototype.addTransceiver=function(){this.setParametersPromises=[];const o=arguments[1],a=o&&"sendEncodings"in o;a&&o.sendEncodings.forEach(p=>{if("rid"in p&&!/^[a-z0-9]{0,16}$/i.test(p.rid))throw new TypeError("Invalid RID value provided.");if("scaleResolutionDownBy"in p&&!(parseFloat(p.scaleResolutionDownBy)>=1))throw new RangeError("scale_resolution_down_by must be >= 1.0");if("maxFramerate"in p&&!(parseFloat(p.maxFramerate)>=0))throw new RangeError("max_framerate must be >= 0.0")});const u=s.apply(this,arguments);if(a){const{sender:p}=u,g=p.getParameters();(!("encodings"in g)||g.encodings.length===1&&Object.keys(g.encodings[0]).length===0)&&(g.encodings=o.sendEncodings,p.sendEncodings=o.sendEncodings,this.setParametersPromises.push(p.setParameters(g).then(()=>{delete p.sendEncodings}).catch(()=>{delete p.sendEncodings})))}return u})}function lc(i){if(!(typeof i=="object"&&i.RTCRtpSender))return;const s=i.RTCRtpSender.prototype.getParameters;s&&(i.RTCRtpSender.prototype.getParameters=function(){const o=s.apply(this,arguments);return"encodings"in o||(o.encodings=[].concat(this.sendEncodings||[{}])),o})}function dc(i){if(!(typeof i=="object"&&i.RTCPeerConnection))return;const s=i.RTCPeerConnection.prototype.createOffer;i.RTCPeerConnection.prototype.createOffer=function(){return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then(()=>s.apply(this,arguments)).finally(()=>{this.setParametersPromises=[]}):s.apply(this,arguments)}}function pc(i){if(!(typeof i=="object"&&i.RTCPeerConnection))return;const s=i.RTCPeerConnection.prototype.createAnswer;i.RTCPeerConnection.prototype.createAnswer=function(){return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then(()=>s.apply(this,arguments)).finally(()=>{this.setParametersPromises=[]}):s.apply(this,arguments)}}const Pu=Object.freeze(Object.defineProperty({__proto__:null,shimAddTransceiver:fc,shimCreateAnswer:pc,shimCreateOffer:dc,shimGetDisplayMedia:Rv,shimGetParameters:lc,shimGetUserMedia:ic,shimOnTrack:oc,shimPeerConnection:Go,shimRTCDataChannel:cc,shimReceiverGetStats:ac,shimRemoveStream:uc,shimSenderGetStats:sc},Symbol.toStringTag,{value:"Module"}));function hc(i){if(!(typeof i!="object"||!i.RTCPeerConnection)){if("getLocalStreams"in i.RTCPeerConnection.prototype||(i.RTCPeerConnection.prototype.getLocalStreams=function(){return this._localStreams||(this._localStreams=[]),this._localStreams}),!("addStream"in i.RTCPeerConnection.prototype)){const s=i.RTCPeerConnection.prototype.addTrack;i.RTCPeerConnection.prototype.addStream=function(o){this._localStreams||(this._localStreams=[]),this._localStreams.includes(o)||this._localStreams.push(o),o.getAudioTracks().forEach(a=>s.call(this,a,o)),o.getVideoTracks().forEach(a=>s.call(this,a,o))},i.RTCPeerConnection.prototype.addTrack=function(o,...a){return a&&a.forEach(u=>{this._localStreams?this._localStreams.includes(u)||this._localStreams.push(u):this._localStreams=[u]}),s.apply(this,arguments)}}"removeStream"in i.RTCPeerConnection.prototype||(i.RTCPeerConnection.prototype.removeStream=function(n){this._localStreams||(this._localStreams=[]);const o=this._localStreams.indexOf(n);if(o===-1)return;this._localStreams.splice(o,1);const a=n.getTracks();this.getSenders().forEach(u=>{a.includes(u.track)&&this.removeTrack(u)})})}}function gc(i){if(!(typeof i!="object"||!i.RTCPeerConnection)&&("getRemoteStreams"in i.RTCPeerConnection.prototype||(i.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[]}),!("onaddstream"in i.RTCPeerConnection.prototype))){Object.defineProperty(i.RTCPeerConnection.prototype,"onaddstream",{get(){return this._onaddstream},set(n){this._onaddstream&&(this.removeEventListener("addstream",this._onaddstream),this.removeEventListener("track",this._onaddstreampoly)),this.addEventListener("addstream",this._onaddstream=n),this.addEventListener("track",this._onaddstreampoly=o=>{o.streams.forEach(a=>{if(this._remoteStreams||(this._remoteStreams=[]),this._remoteStreams.includes(a))return;this._remoteStreams.push(a);const u=new Event("addstream");u.stream=a,this.dispatchEvent(u)})})}});const s=i.RTCPeerConnection.prototype.setRemoteDescription;i.RTCPeerConnection.prototype.setRemoteDescription=function(){const o=this;return this._onaddstreampoly||this.addEventListener("track",this._onaddstreampoly=function(a){a.streams.forEach(u=>{if(o._remoteStreams||(o._remoteStreams=[]),o._remoteStreams.indexOf(u)>=0)return;o._remoteStreams.push(u);const p=new Event("addstream");p.stream=u,o.dispatchEvent(p)})}),s.apply(o,arguments)}}}function mc(i){if(typeof i!="object"||!i.RTCPeerConnection)return;const s=i.RTCPeerConnection.prototype,n=s.createOffer,o=s.createAnswer,a=s.setLocalDescription,u=s.setRemoteDescription,p=s.addIceCandidate;s.createOffer=function(l,_){const D=arguments.length>=2?arguments[2]:arguments[0],H=n.apply(this,[D]);return _?(H.then(l,_),Promise.resolve()):H},s.createAnswer=function(l,_){const D=arguments.length>=2?arguments[2]:arguments[0],H=o.apply(this,[D]);return _?(H.then(l,_),Promise.resolve()):H};let g=function(T,l,_){const D=a.apply(this,[T]);return _?(D.then(l,_),Promise.resolve()):D};s.setLocalDescription=g,g=function(T,l,_){const D=u.apply(this,[T]);return _?(D.then(l,_),Promise.resolve()):D},s.setRemoteDescription=g,g=function(T,l,_){const D=p.apply(this,[T]);return _?(D.then(l,_),Promise.resolve()):D},s.addIceCandidate=g}function vc(i){const s=i&&i.navigator;if(s.mediaDevices&&s.mediaDevices.getUserMedia){const n=s.mediaDevices,o=n.getUserMedia.bind(n);s.mediaDevices.getUserMedia=a=>o(yc(a))}!s.getUserMedia&&s.mediaDevices&&s.mediaDevices.getUserMedia&&(s.getUserMedia=(function(o,a,u){s.mediaDevices.getUserMedia(o).then(a,u)}).bind(s))}function yc(i){return i&&i.video!==void 0?Object.assign({},i,{video:ju(i.video)}):i}function _c(i){if(!i.RTCPeerConnection)return;const s=i.RTCPeerConnection;i.RTCPeerConnection=function(o,a){if(o&&o.iceServers){const u=[];for(let p=0;p<o.iceServers.length;p++){let g=o.iceServers[p];!g.hasOwnProperty("urls")&&g.hasOwnProperty("url")?(Vo("RTCIceServer.url","RTCIceServer.urls"),g=JSON.parse(JSON.stringify(g)),g.urls=g.url,delete g.url,u.push(g)):u.push(o.iceServers[p])}o.iceServers=u}return new s(o,a)},i.RTCPeerConnection.prototype=s.prototype,"generateCertificate"in s&&Object.defineProperty(i.RTCPeerConnection,"generateCertificate",{get(){return s.generateCertificate}})}function Sc(i){typeof i=="object"&&i.RTCTrackEvent&&"receiver"in i.RTCTrackEvent.prototype&&!("transceiver"in i.RTCTrackEvent.prototype)&&Object.defineProperty(i.RTCTrackEvent.prototype,"transceiver",{get(){return{receiver:this.receiver}}})}function Cc(i){const s=i.RTCPeerConnection.prototype.createOffer;i.RTCPeerConnection.prototype.createOffer=function(o){if(o){typeof o.offerToReceiveAudio<"u"&&(o.offerToReceiveAudio=!!o.offerToReceiveAudio);const a=this.getTransceivers().find(p=>p.receiver.track.kind==="audio");o.offerToReceiveAudio===!1&&a?a.direction==="sendrecv"?a.setDirection?a.setDirection("sendonly"):a.direction="sendonly":a.direction==="recvonly"&&(a.setDirection?a.setDirection("inactive"):a.direction="inactive"):o.offerToReceiveAudio===!0&&!a&&this.addTransceiver("audio",{direction:"recvonly"}),typeof o.offerToReceiveVideo<"u"&&(o.offerToReceiveVideo=!!o.offerToReceiveVideo);const u=this.getTransceivers().find(p=>p.receiver.track.kind==="video");o.offerToReceiveVideo===!1&&u?u.direction==="sendrecv"?u.setDirection?u.setDirection("sendonly"):u.direction="sendonly":u.direction==="recvonly"&&(u.setDirection?u.setDirection("inactive"):u.direction="inactive"):o.offerToReceiveVideo===!0&&!u&&this.addTransceiver("video",{direction:"recvonly"})}return s.apply(this,arguments)}}function bc(i){typeof i!="object"||i.AudioContext||(i.AudioContext=i.webkitAudioContext)}const wu=Object.freeze(Object.defineProperty({__proto__:null,shimAudioContext:bc,shimCallbacksAPI:mc,shimConstraints:yc,shimCreateOfferLegacy:Cc,shimGetUserMedia:vc,shimLocalStreamsAPI:hc,shimRTCIceServerUrls:_c,shimRemoteStreamsAPI:gc,shimTrackEventTransceiver:Sc},Symbol.toStringTag,{value:"Module"}));var Tc={exports:{}};(function(i){const s={};s.generateIdentifier=function(){return Math.random().toString(36).substring(2,12)},s.localCName=s.generateIdentifier(),s.splitLines=function(n){return n.trim().split("\n").map(o=>o.trim())},s.splitSections=function(n){return n.split("\nm=").map((a,u)=>(u>0?"m="+a:a).trim()+"\r\n")},s.getDescription=function(n){const o=s.splitSections(n);return o&&o[0]},s.getMediaSections=function(n){const o=s.splitSections(n);return o.shift(),o},s.matchPrefix=function(n,o){return s.splitLines(n).filter(a=>a.indexOf(o)===0)},s.parseCandidate=function(n){let o;n.indexOf("a=candidate:")===0?o=n.substring(12).split(" "):o=n.substring(10).split(" ");const a={foundation:o[0],component:{1:"rtp",2:"rtcp"}[o[1]]||o[1],protocol:o[2].toLowerCase(),priority:parseInt(o[3],10),ip:o[4],address:o[4],port:parseInt(o[5],10),type:o[7]};for(let u=8;u<o.length;u+=2)switch(o[u]){case"raddr":a.relatedAddress=o[u+1];break;case"rport":a.relatedPort=parseInt(o[u+1],10);break;case"tcptype":a.tcpType=o[u+1];break;case"ufrag":a.ufrag=o[u+1],a.usernameFragment=o[u+1];break;default:a[o[u]]===void 0&&(a[o[u]]=o[u+1]);break}return a},s.writeCandidate=function(n){const o=[];o.push(n.foundation);const a=n.component;a==="rtp"?o.push(1):a==="rtcp"?o.push(2):o.push(a),o.push(n.protocol.toUpperCase()),o.push(n.priority),o.push(n.address||n.ip),o.push(n.port);const u=n.type;return o.push("typ"),o.push(u),u!=="host"&&n.relatedAddress&&n.relatedPort&&(o.push("raddr"),o.push(n.relatedAddress),o.push("rport"),o.push(n.relatedPort)),n.tcpType&&n.protocol.toLowerCase()==="tcp"&&(o.push("tcptype"),o.push(n.tcpType)),(n.usernameFragment||n.ufrag)&&(o.push("ufrag"),o.push(n.usernameFragment||n.ufrag)),"candidate:"+o.join(" ")},s.parseIceOptions=function(n){return n.substring(14).split(" ")},s.parseRtpMap=function(n){let o=n.substring(9).split(" ");const a={payloadType:parseInt(o.shift(),10)};return o=o[0].split("/"),a.name=o[0],a.clockRate=parseInt(o[1],10),a.channels=o.length===3?parseInt(o[2],10):1,a.numChannels=a.channels,a},s.writeRtpMap=function(n){let o=n.payloadType;n.preferredPayloadType!==void 0&&(o=n.preferredPayloadType);const a=n.channels||n.numChannels||1;return"a=rtpmap:"+o+" "+n.name+"/"+n.clockRate+(a!==1?"/"+a:"")+"\r\n"},s.parseExtmap=function(n){const o=n.substring(9).split(" ");return{id:parseInt(o[0],10),direction:o[0].indexOf("/")>0?o[0].split("/")[1]:"sendrecv",uri:o[1],attributes:o.slice(2).join(" ")}},s.writeExtmap=function(n){return"a=extmap:"+(n.id||n.preferredId)+(n.direction&&n.direction!=="sendrecv"?"/"+n.direction:"")+" "+n.uri+(n.attributes?" "+n.attributes:"")+"\r\n"},s.parseFmtp=function(n){const o={};let a;const u=n.substring(n.indexOf(" ")+1).split(";");for(let p=0;p<u.length;p++)a=u[p].trim().split("="),o[a[0].trim()]=a[1];return o},s.writeFmtp=function(n){let o="",a=n.payloadType;if(n.preferredPayloadType!==void 0&&(a=n.preferredPayloadType),n.parameters&&Object.keys(n.parameters).length){const u=[];Object.keys(n.parameters).forEach(p=>{n.parameters[p]!==void 0?u.push(p+"="+n.parameters[p]):u.push(p)}),o+="a=fmtp:"+a+" "+u.join(";")+"\r\n"}return o},s.parseRtcpFb=function(n){const o=n.substring(n.indexOf(" ")+1).split(" ");return{type:o.shift(),parameter:o.join(" ")}},s.writeRtcpFb=function(n){let o="",a=n.payloadType;return n.preferredPayloadType!==void 0&&(a=n.preferredPayloadType),n.rtcpFeedback&&n.rtcpFeedback.length&&n.rtcpFeedback.forEach(u=>{o+="a=rtcp-fb:"+a+" "+u.type+(u.parameter&&u.parameter.length?" "+u.parameter:"")+"\r\n"}),o},s.parseSsrcMedia=function(n){const o=n.indexOf(" "),a={ssrc:parseInt(n.substring(7,o),10)},u=n.indexOf(":",o);return u>-1?(a.attribute=n.substring(o+1,u),a.value=n.substring(u+1)):a.attribute=n.substring(o+1),a},s.parseSsrcGroup=function(n){const o=n.substring(13).split(" ");return{semantics:o.shift(),ssrcs:o.map(a=>parseInt(a,10))}},s.getMid=function(n){const o=s.matchPrefix(n,"a=mid:")[0];if(o)return o.substring(6)},s.parseFingerprint=function(n){const o=n.substring(14).split(" ");return{algorithm:o[0].toLowerCase(),value:o[1].toUpperCase()}},s.getDtlsParameters=function(n,o){return{role:"auto",fingerprints:s.matchPrefix(n+o,"a=fingerprint:").map(s.parseFingerprint)}},s.writeDtlsParameters=function(n,o){let a="a=setup:"+o+"\r\n";return n.fingerprints.forEach(u=>{a+="a=fingerprint:"+u.algorithm+" "+u.value+"\r\n"}),a},s.parseCryptoLine=function(n){const o=n.substring(9).split(" ");return{tag:parseInt(o[0],10),cryptoSuite:o[1],keyParams:o[2],sessionParams:o.slice(3)}},s.writeCryptoLine=function(n){return"a=crypto:"+n.tag+" "+n.cryptoSuite+" "+(typeof n.keyParams=="object"?s.writeCryptoKeyParams(n.keyParams):n.keyParams)+(n.sessionParams?" 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o={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},u=s.splitLines(n)[0].split(" ");o.profile=u[2];for(let g=3;g<u.length;g++){const T=u[g],l=s.matchPrefix(n,"a=rtpmap:"+T+" ")[0];if(l){const _=s.parseRtpMap(l),D=s.matchPrefix(n,"a=fmtp:"+T+" ");switch(_.parameters=D.length?s.parseFmtp(D[0]):{},_.rtcpFeedback=s.matchPrefix(n,"a=rtcp-fb:"+T+" ").map(s.parseRtcpFb),o.codecs.push(_),_.name.toUpperCase()){case"RED":case"ULPFEC":o.fecMechanisms.push(_.name.toUpperCase());break}}}s.matchPrefix(n,"a=extmap:").forEach(g=>{o.headerExtensions.push(s.parseExtmap(g))});const p=s.matchPrefix(n,"a=rtcp-fb:* ").map(s.parseRtcpFb);return o.codecs.forEach(g=>{p.forEach(T=>{g.rtcpFeedback.find(_=>_.type===T.type&&_.parameter===T.parameter)||g.rtcpFeedback.push(T)})}),o},s.writeRtpDescription=function(n,o){let a="";a+="m="+n+" ",a+=o.codecs.length>0?"9":"0",a+=" "+(o.profile||"UDP/TLS/RTP/SAVPF")+" ",a+=o.codecs.map(p=>p.preferredPayloadType!==void 0?p.preferredPayloadType:p.payloadType).join(" 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