mie-webconf-app/client/build/static/js/main.5a147832.js

This is a mediasoup based web conferencing app with socket.io for signalling

/*! For license information please see main.5a147832.js.LICENSE.txt */
(()=>{var e={579:(e,t,r)=>{"use strict";e.exports=r(2799)},683:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.getRtpEncodings=function(e){let{offerMediaObject:t}=e;const r=new Set;for(const s of t.ssrcs??[]){const e=s.id;r.add(e)}if(0===r.size)throw new Error("no a=ssrc lines found");const n=new Map;for(const s of t.ssrcGroups??[]){if("FID"!==s.semantics)continue;let[e,t]=s.ssrcs.split(/\s+/);e=Number(e),t=Number(t),r.has(e)&&(r.delete(e),r.delete(t),n.set(e,t))}for(const s of r)n.set(s,null);const i=[];for(const[s,a]of n){const e={ssrc:s};a&&(e.rtx={ssrc:a}),i.push(e)}return i},t.addLegacySimulcast=function(e){let{offerMediaObject:t,numStreams:r}=e;if(r<=1)throw new TypeError("numStreams must be greater than 1");const n=(t.ssrcs??[]).find((e=>"msid"===e.attribute));if(!n)throw new Error("a=ssrc line with msid information not found");const[i,s]=n.value.split(" "),a=Number(n.id);let o;(t.ssrcGroups??[]).some((e=>{if("FID"!==e.semantics)return!1;const t=e.ssrcs.split(/\s+/);return Number(t[0])===a&&(o=Number(t[1]),!0)}));const c=t.ssrcs.find((e=>"cname"===e.attribute));if(!c)throw new Error("a=ssrc line with cname information not found");const l=c.value,d=[],u=[];for(let p=0;p<r;++p)d.push(a+p),o&&u.push(o+p);t.ssrcGroups=[],t.ssrcs=[],t.ssrcGroups.push({semantics:"SIM",ssrcs:d.join(" ")});for(const p of d)t.ssrcs.push({id:p,attribute:"cname",value:l}),t.ssrcs.push({id:p,attribute:"msid",value:`${i} ${s}`});for(let p=0;p<u.length;++p){const e=d[p],r=u[p];t.ssrcs.push({id:r,attribute:"cname",value:l}),t.ssrcs.push({id:r,attribute:"msid",value:`${i} ${s}`}),t.ssrcGroups.push({semantics:"FID",ssrcs:`${e} ${r}`})}}},918:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.getCapabilities=function(){const e=RTCRtpReceiver.getCapabilities(),t=n.clone(e);for(const r of t.codecs??[]){if(r.channels=r.numChannels,delete r.numChannels,r.mimeType=r.mimeType??`${r.kind}/${r.name}`,r.parameters){const e=r.parameters;e.apt&&(e.apt=Number(e.apt)),e["packetization-mode"]&&(e["packetization-mode"]=Number(e["packetization-mode"]))}for(const e of r.rtcpFeedback??[])e.parameter||(e.parameter="")}return t},t.mangleRtpParameters=function(e){const t=n.clone(e);t.mid&&(t.muxId=t.mid,delete t.mid);for(const r of t.codecs)r.channels&&(r.numChannels=r.channels,delete r.channels),r.mimeType&&!r.name&&(r.name=r.mimeType.split("/")[1]),delete r.mimeType;return t};const n=r(8988)},1194:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.ReactNativeUnifiedPlan=void 0;const n=r(9640),i=r(2097),s=r(8988),a=r(5809),o=r(5467),c=r(683),l=r(1581),d=r(9398),u=r(2384),p=r(3054),h=r(3204),f=new i.Logger("ReactNativeUnifiedPlan"),m={OS:1024,MIS:1024};class g extends u.HandlerInterface{_closed=!1;_direction;_remoteSdp;_sendingRtpParametersByKind;_sendingRemoteRtpParametersByKind;_forcedLocalDtlsRole;_pc;_mapMidTransceiver=(()=>new Map)();_sendStream=(()=>new MediaStream)();_hasDataChannelMediaSection=!1;_nextSendSctpStreamId=0;_transportReady=!1;static createFactory(){return()=>new g}constructor(){super()}get name(){return"ReactNativeUnifiedPlan"}close(){if(f.debug("close()"),!this._closed){if(this._closed=!0,this._sendStream.release(!1),this._pc)try{this._pc.close()}catch(e){}this.emit("@close")}}async getNativeRtpCapabilities(){f.debug("getNativeRtpCapabilities()");const e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"unified-plan"});try{e.addTransceiver("audio"),e.addTransceiver("video");const r=await e.createOffer();try{e.close()}catch(t){}const i=n.parse(r.sdp),s=o.extractRtpCapabilities({sdpObject:i});return l.addNackSupportForOpus(s),s}catch(t){try{e.close()}catch(r){}throw t}}async getNativeSctpCapabilities(){return f.debug("getNativeSctpCapabilities()"),{numStreams:m}}run(e){let{direction:t,iceParameters:r,iceCandidates:n,dtlsParameters:i,sctpParameters:s,iceServers:o,iceTransportPolicy:c,additionalSettings:l,proprietaryConstraints:d,extendedRtpCapabilities:u}=e;this.assertNotClosed(),f.debug("run()"),this._direction=t,this._remoteSdp=new p.RemoteSdp({iceParameters:r,iceCandidates:n,dtlsParameters:i,sctpParameters:s}),this._sendingRtpParametersByKind={audio:a.getSendingRtpParameters("audio",u),video:a.getSendingRtpParameters("video",u)},this._sendingRemoteRtpParametersByKind={audio:a.getSendingRemoteRtpParameters("audio",u),video:a.getSendingRemoteRtpParameters("video",u)},i.role&&"auto"!==i.role&&(this._forcedLocalDtlsRole="server"===i.role?"client":"server"),this._pc=new RTCPeerConnection({iceServers:o??[],iceTransportPolicy:c??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"unified-plan",...l},d),this._pc.addEventListener("icegatheringstatechange",(()=>{this.emit("@icegatheringstatechange",this._pc.iceGatheringState)})),this._pc.addEventListener("icecandidateerror",(e=>{this.emit("@icecandidateerror",e)})),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",(()=>{this.emit("@connectionstatechange",this._pc.connectionState)})):this._pc.addEventListener("iceconnectionstatechange",(()=>{switch(f.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.iceConnectionState){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}}))}async updateIceServers(e){this.assertNotClosed(),f.debug("updateIceServers()");const t=this._pc.getConfiguration();t.iceServers=e,this._pc.setConfiguration(t)}async restartIce(e){if(this.assertNotClosed(),f.debug("restartIce()"),this._remoteSdp.updateIceParameters(e),this._transportReady)if("send"===this._direction){const e=await this._pc.createOffer({iceRestart:!0});f.debug("restartIce() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e);const t={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("restartIce() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setRemoteDescription(t)}else{const e={type:"offer",sdp:this._remoteSdp.getSdp()};f.debug("restartIce() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();f.debug("restartIce() | calling pc.setLocalDescription() [answer:%o]",t),await this._pc.setLocalDescription(t)}}async getTransportStats(){return this.assertNotClosed(),this._pc.getStats()}async send(e){let{track:t,encodings:r,codecOptions:i,codec:l,onRtpSender:d}=e;this.assertNotClosed(),this.assertSendDirection(),f.debug("send() [kind:%s, track.id:%s]",t.kind,t.id),r&&r.length>1&&r.forEach(((e,t)=>{e.rid=`r${t}`}));const u=s.clone(this._sendingRtpParametersByKind[t.kind]);u.codecs=a.reduceCodecs(u.codecs,l);const p=s.clone(this._sendingRemoteRtpParametersByKind[t.kind]);p.codecs=a.reduceCodecs(p.codecs,l);const m=this._remoteSdp.getNextMediaSectionIdx(),g=this._pc.addTransceiver(t,{direction:"sendonly",streams:[this._sendStream],sendEncodings:r});d&&d(g.sender);let y,b=await this._pc.createOffer(),v=n.parse(b.sdp);v.extmapAllowMixed&&this._remoteSdp.setSessionExtmapAllowMixed(),this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:v});let w=!1;const _=(0,h.parse)((r??[{}])[0].scalabilityMode);r&&1===r.length&&_.spatialLayers>1&&"video/vp9"===u.codecs[0].mimeType.toLowerCase()&&(f.debug("send() | enabling legacy simulcast for VP9 SVC"),w=!0,v=n.parse(b.sdp),y=v.media[m.idx],c.addLegacySimulcast({offerMediaObject:y,numStreams:_.spatialLayers}),b={type:"offer",sdp:n.write(v)}),f.debug("send() | calling pc.setLocalDescription() [offer:%o]",b),await this._pc.setLocalDescription(b);let S=g.mid??void 0;if(S||f.warn("send() | missing transceiver.mid (bug in react-native-webrtc, using a workaround"),u.mid=S,v=n.parse(this._pc.localDescription.sdp),y=v.media[m.idx],u.rtcp.cname=o.getCname({offerMediaObject:y}),r)if(1===r.length){let e=c.getRtpEncodings({offerMediaObject:y});Object.assign(e[0],r[0]),w&&(e=[e[0]]),u.encodings=e}else u.encodings=r;else u.encodings=c.getRtpEncodings({offerMediaObject:y});if(u.encodings.length>1&&("video/vp8"===u.codecs[0].mimeType.toLowerCase()||"video/h264"===u.codecs[0].mimeType.toLowerCase()))for(const n of u.encodings)n.scalabilityMode?n.scalabilityMode=`L1T${_.temporalLayers}`:n.scalabilityMode="L1T3";this._remoteSdp.send({offerMediaObject:y,reuseMid:m.reuseMid,offerRtpParameters:u,answerRtpParameters:p,codecOptions:i});const k={type:"answer",sdp:this._remoteSdp.getSdp()};return f.debug("send() | calling pc.setRemoteDescription() [answer:%o]",k),await this._pc.setRemoteDescription(k),S||(S=g.mid,u.mid=S),this._mapMidTransceiver.set(S,g),{localId:S,rtpParameters:u,rtpSender:g.sender}}async stopSending(e){if(this.assertSendDirection(),this._closed)return;f.debug("stopSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");t.sender.replaceTrack(null),this._pc.removeTrack(t.sender);if(this._remoteSdp.closeMediaSection(t.mid))try{t.stop()}catch(i){}const r=await this._pc.createOffer();f.debug("stopSending() | calling pc.setLocalDescription() [offer:%o]",r),await this._pc.setLocalDescription(r);const n={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("stopSending() | calling pc.setRemoteDescription() [answer:%o]",n),await this._pc.setRemoteDescription(n),this._mapMidTransceiver.delete(e)}async pauseSending(e){this.assertNotClosed(),this.assertSendDirection(),f.debug("pauseSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="inactive",this._remoteSdp.pauseMediaSection(e);const r=await this._pc.createOffer();f.debug("pauseSending() | calling pc.setLocalDescription() [offer:%o]",r),await this._pc.setLocalDescription(r);const n={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("pauseSending() | calling pc.setRemoteDescription() [answer:%o]",n),await this._pc.setRemoteDescription(n)}async resumeSending(e){this.assertNotClosed(),this.assertSendDirection(),f.debug("resumeSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(this._remoteSdp.resumeSendingMediaSection(e),!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="sendonly";const r=await this._pc.createOffer();f.debug("resumeSending() | calling pc.setLocalDescription() [offer:%o]",r),await this._pc.setLocalDescription(r);const n={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("resumeSending() | calling pc.setRemoteDescription() [answer:%o]",n),await this._pc.setRemoteDescription(n)}async replaceTrack(e,t){this.assertNotClosed(),this.assertSendDirection(),t?f.debug("replaceTrack() [localId:%s, track.id:%s]",e,t.id):f.debug("replaceTrack() [localId:%s, no track]",e);const r=this._mapMidTransceiver.get(e);if(!r)throw new Error("associated RTCRtpTransceiver not found");await r.sender.replaceTrack(t)}async setMaxSpatialLayer(e,t){this.assertNotClosed(),this.assertSendDirection(),f.debug("setMaxSpatialLayer() [localId:%s, spatialLayer:%s]",e,t);const r=this._mapMidTransceiver.get(e);if(!r)throw new Error("associated RTCRtpTransceiver not found");const n=r.sender.getParameters();n.encodings.forEach(((e,r)=>{e.active=r<=t})),await r.sender.setParameters(n),this._remoteSdp.muxMediaSectionSimulcast(e,n.encodings);const i=await this._pc.createOffer();f.debug("setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const s={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]",s),await this._pc.setRemoteDescription(s)}async setRtpEncodingParameters(e,t){this.assertNotClosed(),this.assertSendDirection(),f.debug("setRtpEncodingParameters() [localId:%s, params:%o]",e,t);const r=this._mapMidTransceiver.get(e);if(!r)throw new Error("associated RTCRtpTransceiver not found");const n=r.sender.getParameters();n.encodings.forEach(((e,r)=>{n.encodings[r]={...e,...t}})),await r.sender.setParameters(n),this._remoteSdp.muxMediaSectionSimulcast(e,n.encodings);const i=await this._pc.createOffer();f.debug("setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const s={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]",s),await this._pc.setRemoteDescription(s)}async getSenderStats(e){this.assertNotClosed(),this.assertSendDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.sender.getStats()}async sendDataChannel(e){let{ordered:t,maxPacketLifeTime:r,maxRetransmits:i,label:s,protocol:a}=e;this.assertNotClosed(),this.assertSendDirection();const o={negotiated:!0,id:this._nextSendSctpStreamId,ordered:t,maxPacketLifeTime:r,maxRetransmits:i,protocol:a};f.debug("sendDataChannel() [options:%o]",o);const c=this._pc.createDataChannel(s,o);if(this._nextSendSctpStreamId=++this._nextSendSctpStreamId%m.MIS,!this._hasDataChannelMediaSection){const e=await this._pc.createOffer(),t=n.parse(e.sdp),r=t.media.find((e=>"application"===e.type));this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:t}),f.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:r});const i={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]",i),await this._pc.setRemoteDescription(i),this._hasDataChannelMediaSection=!0}return{dataChannel:c,sctpStreamParameters:{streamId:o.id,ordered:o.ordered,maxPacketLifeTime:o.maxPacketLifeTime,maxRetransmits:o.maxRetransmits}}}async receive(e){this.assertNotClosed(),this.assertRecvDirection();const t=[],r=new Map;for(const n of e){const{trackId:e,kind:t,rtpParameters:i,streamId:s}=n;f.debug("receive() [trackId:%s, kind:%s]",e,t);const a=i.mid??String(this._mapMidTransceiver.size);r.set(e,a),this._remoteSdp.receive({mid:a,kind:t,offerRtpParameters:i,streamId:s??i.rtcp.cname,trackId:e})}const i={type:"offer",sdp:this._remoteSdp.getSdp()};f.debug("receive() | calling pc.setRemoteDescription() [offer:%o]",i),await this._pc.setRemoteDescription(i);for(const n of e){const{trackId:e,onRtpReceiver:t}=n;if(t){const n=r.get(e),i=this._pc.getTransceivers().find((e=>e.mid===n));if(!i)throw new Error("transceiver not found");t(i.receiver)}}let s=await this._pc.createAnswer();const a=n.parse(s.sdp);for(const n of e){const{trackId:e,rtpParameters:t}=n,i=r.get(e),s=a.media.find((e=>String(e.mid)===i));o.applyCodecParameters({offerRtpParameters:t,answerMediaObject:s})}s={type:"answer",sdp:n.write(a)},this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:a}),f.debug("receive() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s);for(const n of e){const{trackId:e}=n,i=r.get(e),s=this._pc.getTransceivers().find((e=>e.mid===i));if(!s)throw new Error("new RTCRtpTransceiver not found");this._mapMidTransceiver.set(i,s),t.push({localId:i,track:s.receiver.track,rtpReceiver:s.receiver})}return t}async stopReceiving(e){if(this.assertRecvDirection(),this._closed)return;for(const n of e){f.debug("stopReceiving() [localId:%s]",n);const e=this._mapMidTransceiver.get(n);if(!e)throw new Error("associated RTCRtpTransceiver not found");this._remoteSdp.closeMediaSection(e.mid)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};f.debug("stopReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const r=await this._pc.createAnswer();f.debug("stopReceiving() | calling pc.setLocalDescription() [answer:%o]",r),await this._pc.setLocalDescription(r);for(const n of e)this._mapMidTransceiver.delete(n)}async pauseReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const n of e){f.debug("pauseReceiving() [localId:%s]",n);const e=this._mapMidTransceiver.get(n);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="inactive",this._remoteSdp.pauseMediaSection(n)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};f.debug("pauseReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const r=await this._pc.createAnswer();f.debug("pauseReceiving() | calling pc.setLocalDescription() [answer:%o]",r),await this._pc.setLocalDescription(r)}async resumeReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const n of e){f.debug("resumeReceiving() [localId:%s]",n);const e=this._mapMidTransceiver.get(n);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="recvonly",this._remoteSdp.resumeReceivingMediaSection(n)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};f.debug("resumeReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const r=await this._pc.createAnswer();f.debug("resumeReceiving() | calling pc.setLocalDescription() [answer:%o]",r),await this._pc.setLocalDescription(r)}async getReceiverStats(e){this.assertNotClosed(),this.assertRecvDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.receiver.getStats()}async receiveDataChannel(e){let{sctpStreamParameters:t,label:r,protocol:i}=e;this.assertNotClosed(),this.assertRecvDirection();const{streamId:s,ordered:a,maxPacketLifeTime:o,maxRetransmits:c}=t,l={negotiated:!0,id:s,ordered:a,maxPacketLifeTime:o,maxRetransmits:c,protocol:i};f.debug("receiveDataChannel() [options:%o]",l);const d=this._pc.createDataChannel(r,l);if(!this._hasDataChannelMediaSection){this._remoteSdp.receiveSctpAssociation();const e={type:"offer",sdp:this._remoteSdp.getSdp()};f.debug("receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();if(!this._transportReady){const e=n.parse(t.sdp);await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:e})}f.debug("receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setLocalDescription(t),this._hasDataChannelMediaSection=!0}return{dataChannel:d}}async setupTransport(e){let{localDtlsRole:t,localSdpObject:r}=e;r||(r=n.parse(this._pc.localDescription.sdp));const i=o.extractDtlsParameters({sdpObject:r});i.role=t,this._remoteSdp.updateDtlsRole("client"===t?"server":"client"),await new Promise(((e,t)=>{this.safeEmit("@connect",{dtlsParameters:i},e,t)})),this._transportReady=!0}assertNotClosed(){if(this._closed)throw new d.InvalidStateError("method called in a closed handler")}assertSendDirection(){if("send"!==this._direction)throw new Error('method can just be called for handlers with "send" direction')}assertRecvDirection(){if("recv"!==this._direction)throw new Error('method can just be called for handlers with "recv" direction')}}t.ReactNativeUnifiedPlan=g},1313:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.Firefox120=void 0;const n=r(9640),i=r(2097),s=r(9398),a=r(8988),o=r(5809),c=r(5467),l=r(683),d=r(2384),u=r(3054),p=r(3204),h=new i.Logger("Firefox120"),f={OS:16,MIS:2048};class m extends d.HandlerInterface{_closed=!1;_direction;_remoteSdp;_sendingRtpParametersByKind;_sendingRemoteRtpParametersByKind;_pc;_mapMidTransceiver=(()=>new Map)();_sendStream=(()=>new MediaStream)();_hasDataChannelMediaSection=!1;_nextSendSctpStreamId=0;_transportReady=!1;static createFactory(){return()=>new m}constructor(){super()}get name(){return"Firefox120"}close(){if(h.debug("close()"),!this._closed){if(this._closed=!0,this._pc)try{this._pc.close()}catch(e){}this.emit("@close")}}async getNativeRtpCapabilities(){h.debug("getNativeRtpCapabilities()");const e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require"}),t=document.createElement("canvas");t.getContext("2d");const r=t.captureStream().getVideoTracks()[0];try{e.addTransceiver("audio",{direction:"sendrecv"}),e.addTransceiver(r,{direction:"sendrecv",sendEncodings:[{rid:"r0",maxBitrate:1e5},{rid:"r1",maxBitrate:5e5}]});const s=await e.createOffer();try{t.remove()}catch(i){}try{r.stop()}catch(i){}try{e.close()}catch(i){}const a=n.parse(s.sdp);return c.extractRtpCapabilities({sdpObject:a})}catch(i){try{t.remove()}catch(s){}try{r.stop()}catch(s){}try{e.close()}catch(s){}throw i}}async getNativeSctpCapabilities(){return h.debug("getNativeSctpCapabilities()"),{numStreams:f}}run(e){let{direction:t,iceParameters:r,iceCandidates:n,dtlsParameters:i,sctpParameters:s,iceServers:a,iceTransportPolicy:c,additionalSettings:l,proprietaryConstraints:d,extendedRtpCapabilities:p}=e;this.assertNotClosed(),h.debug("run()"),this._direction=t,this._remoteSdp=new u.RemoteSdp({iceParameters:r,iceCandidates:n,dtlsParameters:i,sctpParameters:s}),this._sendingRtpParametersByKind={audio:o.getSendingRtpParameters("audio",p),video:o.getSendingRtpParameters("video",p)},this._sendingRemoteRtpParametersByKind={audio:o.getSendingRemoteRtpParameters("audio",p),video:o.getSendingRemoteRtpParameters("video",p)},this._pc=new RTCPeerConnection({iceServers:a??[],iceTransportPolicy:c??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",...l},d),this._pc.addEventListener("icegatheringstatechange",(()=>{this.emit("@icegatheringstatechange",this._pc.iceGatheringState)})),this._pc.addEventListener("icecandidateerror",(e=>{this.emit("@icecandidateerror",e)})),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",(()=>{this.emit("@connectionstatechange",this._pc.connectionState)})):this._pc.addEventListener("iceconnectionstatechange",(()=>{switch(h.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.iceConnectionState){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}}))}async updateIceServers(e){throw this.assertNotClosed(),new s.UnsupportedError("not supported")}async restartIce(e){if(this.assertNotClosed(),h.debug("restartIce()"),this._remoteSdp.updateIceParameters(e),this._transportReady)if("send"===this._direction){const e=await this._pc.createOffer({iceRestart:!0});h.debug("restartIce() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e);const t={type:"answer",sdp:this._remoteSdp.getSdp()};h.debug("restartIce() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setRemoteDescription(t)}else{const e={type:"offer",sdp:this._remoteSdp.getSdp()};h.debug("restartIce() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();h.debug("restartIce() | calling pc.setLocalDescription() [answer:%o]",t),await this._pc.setLocalDescription(t)}}async getTransportStats(){return this.assertNotClosed(),this._pc.getStats()}async send(e){let{track:t,encodings:r,codecOptions:i,codec:s,onRtpSender:d}=e;this.assertNotClosed(),this.assertSendDirection(),h.debug("send() [kind:%s, track.id:%s]",t.kind,t.id),r&&r.length>1&&r.forEach(((e,t)=>{e.rid=`r${t}`}));const u=a.clone(this._sendingRtpParametersByKind[t.kind]);u.codecs=o.reduceCodecs(u.codecs,s);const f=a.clone(this._sendingRemoteRtpParametersByKind[t.kind]);f.codecs=o.reduceCodecs(f.codecs,s);const m=this._pc.addTransceiver(t,{direction:"sendonly",streams:[this._sendStream],sendEncodings:r});d&&d(m.sender);const g=await this._pc.createOffer();let y=n.parse(g.sdp);y.extmapAllowMixed&&this._remoteSdp.setSessionExtmapAllowMixed(),this._transportReady||await this.setupTransport({localDtlsRole:"client",localSdpObject:y});const b=(0,p.parse)((r??[{}])[0].scalabilityMode);h.debug("send() | calling pc.setLocalDescription() [offer:%o]",g),await this._pc.setLocalDescription(g);const v=m.mid;u.mid=v,y=n.parse(this._pc.localDescription.sdp);const w=y.media[y.media.length-1];if(u.rtcp.cname=c.getCname({offerMediaObject:w}),r)if(1===r.length){const e=l.getRtpEncodings({offerMediaObject:w});Object.assign(e[0],r[0]),u.encodings=e}else u.encodings=r;else u.encodings=l.getRtpEncodings({offerMediaObject:w});if(u.encodings.length>1&&("video/vp8"===u.codecs[0].mimeType.toLowerCase()||"video/h264"===u.codecs[0].mimeType.toLowerCase()))for(const n of u.encodings)n.scalabilityMode?n.scalabilityMode=`L1T${b.temporalLayers}`:n.scalabilityMode="L1T3";this._remoteSdp.send({offerMediaObject:w,offerRtpParameters:u,answerRtpParameters:f,codecOptions:i});const _={type:"answer",sdp:this._remoteSdp.getSdp()};return h.debug("send() | calling pc.setRemoteDescription() [answer:%o]",_),await this._pc.setRemoteDescription(_),this._mapMidTransceiver.set(v,m),{localId:v,rtpParameters:u,rtpSender:m.sender}}async stopSending(e){if(this.assertSendDirection(),h.debug("stopSending() [localId:%s]",e),this._closed)return;const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated transceiver not found");t.sender.replaceTrack(null),this._pc.removeTrack(t.sender),this._remoteSdp.disableMediaSection(t.mid);const r=await this._pc.createOffer();h.debug("stopSending() | calling pc.setLocalDescription() [offer:%o]",r),await this._pc.setLocalDescription(r);const n={type:"answer",sdp:this._remoteSdp.getSdp()};h.debug("stopSending() | calling pc.setRemoteDescription() [answer:%o]",n),await this._pc.setRemoteDescription(n),this._mapMidTransceiver.delete(e)}async pauseSending(e){this.assertNotClosed(),this.assertSendDirection(),h.debug("pauseSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="inactive",this._remoteSdp.pauseMediaSection(e);const r=await this._pc.createOffer();h.debug("pauseSending() | calling pc.setLocalDescription() [offer:%o]",r),await this._pc.setLocalDescription(r);const n={type:"answer",sdp:this._remoteSdp.getSdp()};h.debug("pauseSending() | calling pc.setRemoteDescription() [answer:%o]",n),await this._pc.setRemoteDescription(n)}async resumeSending(e){this.assertNotClosed(),this.assertSendDirection(),h.debug("resumeSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="sendonly",this._remoteSdp.resumeSendingMediaSection(e);const r=await this._pc.createOffer();h.debug("resumeSending() | calling pc.setLocalDescription() [offer:%o]",r),await this._pc.setLocalDescription(r);const n={type:"answer",sdp:this._remoteSdp.getSdp()};h.debug("resumeSending() | calling pc.setRemoteDescription() [answer:%o]",n),await this._pc.setRemoteDescription(n)}async replaceTrack(e,t){this.assertNotClosed(),this.assertSendDirection(),t?h.debug("replaceTrack() [localId:%s, track.id:%s]",e,t.id):h.debug("replaceTrack() [localId:%s, no track]",e);const r=this._mapMidTransceiver.get(e);if(!r)throw new Error("associated RTCRtpTransceiver not found");await r.sender.replaceTrack(t)}async setMaxSpatialLayer(e,t){this.assertNotClosed(),this.assertSendDirection(),h.debug("setMaxSpatialLayer() [localId:%s, spatialLayer:%s]",e,t);const r=this._mapMidTransceiver.get(e);if(!r)throw new Error("associated transceiver not found");const n=r.sender.getParameters();n.encodings.forEach(((e,r)=>{e.active=r<=t})),await r.sender.setParameters(n),this._remoteSdp.muxMediaSectionSimulcast(e,n.encodings);const i=await this._pc.createOffer();h.debug("setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const s={type:"answer",sdp:this._remoteSdp.getSdp()};h.debug("setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]",s),await this._pc.setRemoteDescription(s)}async setRtpEncodingParameters(e,t){this.assertNotClosed(),this.assertSendDirection(),h.debug("setRtpEncodingParameters() [localId:%s, params:%o]",e,t);const r=this._mapMidTransceiver.get(e);if(!r)throw new Error("associated RTCRtpTransceiver not found");const n=r.sender.getParameters();n.encodings.forEach(((e,r)=>{n.encodings[r]={...e,...t}})),await r.sender.setParameters(n),this._remoteSdp.muxMediaSectionSimulcast(e,n.encodings);const i=await this._pc.createOffer();h.debug("setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const s={type:"answer",sdp:this._remoteSdp.getSdp()};h.debug("setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]",s),await this._pc.setRemoteDescription(s)}async getSenderStats(e){this.assertNotClosed(),this.assertSendDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.sender.getStats()}async sendDataChannel(e){let{ordered:t,maxPacketLifeTime:r,maxRetransmits:i,label:s,protocol:a}=e;this.assertNotClosed(),this.assertSendDirection();const o={negotiated:!0,id:this._nextSendSctpStreamId,ordered:t,maxPacketLifeTime:r,maxRetransmits:i,protocol:a};h.debug("sendDataChannel() [options:%o]",o);const c=this._pc.createDataChannel(s,o);if(this._nextSendSctpStreamId=++this._nextSendSctpStreamId%f.MIS,!this._hasDataChannelMediaSection){const e=await this._pc.createOffer(),t=n.parse(e.sdp),r=t.media.find((e=>"application"===e.type));this._transportReady||await this.setupTransport({localDtlsRole:"client",localSdpObject:t}),h.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:r});const i={type:"answer",sdp:this._remoteSdp.getSdp()};h.debug("sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]",i),await this._pc.setRemoteDescription(i),this._hasDataChannelMediaSection=!0}return{dataChannel:c,sctpStreamParameters:{streamId:o.id,ordered:o.ordered,maxPacketLifeTime:o.maxPacketLifeTime,maxRetransmits:o.maxRetransmits}}}async receive(e){this.assertNotClosed(),this.assertRecvDirection();const t=[],r=new Map;for(const n of e){const{trackId:e,kind:t,rtpParameters:i,streamId:s}=n;h.debug("receive() [trackId:%s, kind:%s]",e,t);const a=i.mid??String(this._mapMidTransceiver.size);r.set(e,a),this._remoteSdp.receive({mid:a,kind:t,offerRtpParameters:i,streamId:s??i.rtcp.cname,trackId:e})}const i={type:"offer",sdp:this._remoteSdp.getSdp()};h.debug("receive() | calling pc.setRemoteDescription() [offer:%o]",i),await this._pc.setRemoteDescription(i);for(const n of e){const{trackId:e,onRtpReceiver:t}=n;if(t){const n=r.get(e),i=this._pc.getTransceivers().find((e=>e.mid===n));if(!i)throw new Error("transceiver not found");t(i.receiver)}}let s=await this._pc.createAnswer();const a=n.parse(s.sdp);for(const o of e){const{trackId:e,rtpParameters:t}=o,i=r.get(e),l=a.media.find((e=>String(e.mid)===i));c.applyCodecParameters({offerRtpParameters:t,answerMediaObject:l}),s={type:"answer",sdp:n.write(a)}}this._transportReady||await this.setupTransport({localDtlsRole:"client",localSdpObject:a}),h.debug("receive() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s);for(const n of e){const{trackId:e}=n,i=r.get(e),s=this._pc.getTransceivers().find((e=>e.mid===i));if(!s)throw new Error("new RTCRtpTransceiver not found");this._mapMidTransceiver.set(i,s),t.push({localId:i,track:s.receiver.track,rtpReceiver:s.receiver})}return t}async stopReceiving(e){if(this.assertRecvDirection(),this._closed)return;for(const n of e){h.debug("stopReceiving() [localId:%s]",n);const e=this._mapMidTransceiver.get(n);if(!e)throw new Error("associated RTCRtpTransceiver not found");this._remoteSdp.closeMediaSection(e.mid)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};h.debug("stopReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const r=await this._pc.createAnswer();h.debug("stopReceiving() | calling pc.setLocalDescription() [answer:%o]",r),await this._pc.setLocalDescription(r);for(const n of e)this._mapMidTransceiver.delete(n)}async pauseReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const n of e){h.debug("pauseReceiving() [localId:%s]",n);const e=this._mapMidTransceiver.get(n);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="inactive",this._remoteSdp.pauseMediaSection(n)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};h.debug("pauseReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const r=await this._pc.createAnswer();h.debug("pauseReceiving() | calling pc.setLocalDescription() [answer:%o]",r),await this._pc.setLocalDescription(r)}async resumeReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const n of e){h.debug("resumeReceiving() [localId:%s]",n);const e=this._mapMidTransceiver.get(n);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="recvonly",this._remoteSdp.resumeReceivingMediaSection(n)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};h.debug("resumeReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const r=await this._pc.createAnswer();h.debug("resumeReceiving() | calling pc.setLocalDescription() [answer:%o]",r),await this._pc.setLocalDescription(r)}async getReceiverStats(e){this.assertRecvDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.receiver.getStats()}async receiveDataChannel(e){let{sctpStreamParameters:t,label:r,protocol:i}=e;this.assertNotClosed(),this.assertRecvDirection();const{streamId:s,ordered:a,maxPacketLifeTime:o,maxRetransmits:c}=t,l={negotiated:!0,id:s,ordered:a,maxPacketLifeTime:o,maxRetransmits:c,protocol:i};h.debug("receiveDataChannel() [options:%o]",l);const d=this._pc.createDataChannel(r,l);if(!this._hasDataChannelMediaSection){this._remoteSdp.receiveSctpAssociation();const e={type:"offer",sdp:this._remoteSdp.getSdp()};h.debug("receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();if(!this._transportReady){const e=n.parse(t.sdp);await 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