@videosdk.live/js-sdk/videosdk.js

<h1 align="center"> <img src="https://static.videosdk.live/videosdk_logo_website_black.png"/><br/> <p align="center"> Video SDK for JavaScript<br/> <a href="https://videosdk.live/">videosdk.live</a> </p> </h1>

/*! For license information please see videosdk.js.LICENSE.txt */
!function(e,t){if("object"==typeof exports&&"object"==typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var r=t();for(var n in r)("object"==typeof exports?exports:e)[n]=r[n]}}(self,(()=>(()=>{var e={11:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.Chrome74=void 0;const n=r(7363),s=r(2994),i=r(3953),a=r(8046),o=r(4893),c=r(3303),d=r(5544),u=r(5938),l=r(4256),p=r(1305),h=new s.Logger("Chrome74"),m="Chrome74",f={OS:1024,MIS:1024};class v extends i.EnhancedEventEmitter{_closed=!1;_direction;_remoteSdp;_getSendExtendedRtpCapabilities;_forcedLocalDtlsRole;_pc;_mapMidTransceiver=new Map;_sendStream=new MediaStream;_hasDataChannelMediaSection=!1;_nextSendSctpStreamId=0;_transportReady=!1;static createFactory(){return{name:m,factory:e=>new v(e),getNativeRtpCapabilities:async()=>{h.debug("getNativeRtpCapabilities()");let e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require"});try{e.addTransceiver("audio"),e.addTransceiver("video");const t=await e.createOffer();try{e.close()}catch(e){}e=void 0;const r=n.parse(t.sdp);return v.getLocalRtpCapabilities(r)}catch(t){try{e?.close()}catch(e){}throw e=void 0,t}},getNativeSctpCapabilities:async()=>(h.debug("getNativeSctpCapabilities()"),{numStreams:f})}}static getLocalRtpCapabilities(e){const t=d.extractRtpCapabilities({sdpObject:e});return a.validateAndNormalizeRtpCapabilities(t),l.addNackSupportForOpus(t),t}constructor({direction:e,iceParameters:t,iceCandidates:r,dtlsParameters:n,sctpParameters:s,iceServers:i,iceTransportPolicy:a,additionalSettings:o,getSendExtendedRtpCapabilities:c}){super(),h.debug("constructor()"),this._direction=e,this._remoteSdp=new p.RemoteSdp({iceParameters:t,iceCandidates:r,dtlsParameters:n,sctpParameters:s}),this._getSendExtendedRtpCapabilities=c,n.role&&"auto"!==n.role&&(this._forcedLocalDtlsRole="server"===n.role?"client":"server"),this._pc=new RTCPeerConnection({iceServers:i??[],iceTransportPolicy:a??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",...o}),this._pc.addEventListener("icegatheringstatechange",this.onIceGatheringStateChange),this._pc.addEventListener("icecandidateerror",this.onIceCandidateError),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",this.onConnectionStateChange):(h.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.addEventListener("iceconnectionstatechange",this.onIceConnectionStateChange))}get name(){return m}close(){if(h.debug("close()"),!this._closed){this._closed=!0;try{this._pc.close()}catch(e){}this._pc.removeEventListener("icegatheringstatechange",this.onIceGatheringStateChange),this._pc.removeEventListener("icecandidateerror",this.onIceCandidateError),this._pc.removeEventListener("connectionstatechange",this.onConnectionStateChange),this._pc.removeEventListener("iceconnectionstatechange",this.onIceConnectionStateChange),this.emit("@close"),super.close()}}async updateIceServers(e){this.assertNotClosed(),h.debug("updateIceServers()");const t=this._pc.getConfiguration();t.iceServers=e,this._pc.setConfiguration(t)}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({track:e,encodings:t,codecOptions:r,codec:s}){this.assertNotClosed(),this.assertSendDirection(),h.debug("send() [kind:%s, track.id:%s]",e.kind,e.id),t&&t.length>1&&t.forEach(((e,t)=>{e.rid=`r${t}`}));const i=this._remoteSdp.getNextMediaSectionIdx(),o=this._pc.addTransceiver(e,{direction:"sendonly",streams:[this._sendStream],sendEncodings:t});let l=await this._pc.createOffer(),p=n.parse(l.sdp);p.extmapAllowMixed&&this._remoteSdp.setSessionExtmapAllowMixed();const m=v.getLocalRtpCapabilities(p),f=this._getSendExtendedRtpCapabilities(m),g=a.getSendingRtpParameters(e.kind,f);g.codecs=a.reduceCodecs(g.codecs,s);const _=a.getSendingRemoteRtpParameters(e.kind,f);_.codecs=a.reduceCodecs(_.codecs,s),this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:p});let y=!1;const b=(0,c.parse)((t??[{}])[0].scalabilityMode);let w;t&&1===t.length&&b.spatialLayers>1&&"video/vp9"===g.codecs[0].mimeType.toLowerCase()&&(h.debug("send() | enabling legacy simulcast for VP9 SVC"),y=!0,p=n.parse(l.sdp),w=p.media[i.idx],u.addLegacySimulcast({offerMediaObject:w,numStreams:b.spatialLayers}),l={type:"offer",sdp:n.write(p)}),h.debug("send() | calling pc.setLocalDescription() [offer:%o]",l),await this._pc.setLocalDescription(l);const E=o.mid;if(g.mid=E,p=n.parse(this._pc.localDescription.sdp),w=p.media[i.idx],g.rtcp.cname=d.getCname({offerMediaObject:w}),t)if(1===t.length){let e=u.getRtpEncodings({offerMediaObject:w});Object.assign(e[0],t[0]),y&&(e=[e[0]]),g.encodings=e}else g.encodings=t;else g.encodings=u.getRtpEncodings({offerMediaObject:w});if(g.encodings.length>1&&("video/vp8"===g.codecs[0].mimeType.toLowerCase()||"video/h264"===g.codecs[0].mimeType.toLowerCase()))for(const e of g.encodings)e.scalabilityMode?e.scalabilityMode=`L1T${b.temporalLayers}`:e.scalabilityMode="L1T3";this._remoteSdp.send({offerMediaObject:w,reuseMid:i.reuseMid,offerRtpParameters:g,answerRtpParameters:_,codecOptions:r});const S={type:"answer",sdp:this._remoteSdp.getSdp()};return h.debug("send() | calling pc.setRemoteDescription() [answer:%o]",S),await this._pc.setRemoteDescription(S),this._mapMidTransceiver.set(E,o),{localId:E,rtpParameters:g,rtpSender:o.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 RTCRtpTransceiver not found");t.sender.replaceTrack(null),this._pc.removeTrack(t.sender);if(this._remoteSdp.closeMediaSection(t.mid))try{t.stop()}catch(e){}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(this._remoteSdp.resumeSendingMediaSection(e),!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="sendonly";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 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 s=await this._pc.createOffer();h.debug("setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const i={type:"answer",sdp:this._remoteSdp.getSdp()};h.debug("setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]",i),await this._pc.setRemoteDescription(i)}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 s=await this._pc.createOffer();h.debug("setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const i={type:"answer",sdp:this._remoteSdp.getSdp()};h.debug("setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]",i),await this._pc.setRemoteDescription(i)}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({ordered:e,maxPacketLifeTime:t,maxRetransmits:r,label:s,protocol:i}){this.assertNotClosed(),this.assertSendDirection();const a={negotiated:!0,id:this._nextSendSctpStreamId,ordered:e,maxPacketLifeTime:t,maxRetransmits:r,protocol:i};h.debug("sendDataChannel() [options:%o]",a);const o=this._pc.createDataChannel(s,a);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:this._forcedLocalDtlsRole??"client",localSdpObject:t}),h.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:r});const s={type:"answer",sdp:this._remoteSdp.getSdp()};h.debug("sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]",s),await this._pc.setRemoteDescription(s),this._hasDataChannelMediaSection=!0}return{dataChannel:o,sctpStreamParameters:{streamId:a.id,ordered:a.ordered,maxPacketLifeTime:a.maxPacketLifeTime,maxRetransmits:a.maxRetransmits}}}async receive(e){this.assertNotClosed(),this.assertRecvDirection();const t=[],r=new Map;for(const t of e){const{trackId:e,kind:n,rtpParameters:s,streamId:i}=t;h.debug("receive() [trackId:%s, kind:%s]",e,n);const a=s.mid??String(this._mapMidTransceiver.size);r.set(e,a),this._remoteSdp.receive({mid:a,kind:n,offerRtpParameters:s,streamId:i??s.rtcp.cname,trackId:e})}const s={type:"offer",sdp:this._remoteSdp.getSdp()};h.debug("receive() | calling pc.setRemoteDescription() [offer:%o]",s),await this._pc.setRemoteDescription(s);let i=await this._pc.createAnswer();const a=n.parse(i.sdp);for(const t of e){const{trackId:e,rtpParameters:n}=t,s=r.get(e),i=a.media.find((e=>String(e.mid)===s));d.applyCodecParameters({offerRtpParameters:n,answerMediaObject:i})}i={type:"answer",sdp:n.write(a)},this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:a}),h.debug("receive() | calling pc.setLocalDescription() [answer:%o]",i),await this._pc.setLocalDescription(i);for(const n of e){const{trackId:e}=n,s=r.get(e),i=this._pc.getTransceivers().find((e=>e.mid===s));if(!i)throw new Error("new RTCRtpTransceiver not found");this._mapMidTransceiver.set(s,i),t.push({localId:s,track:i.receiver.track,rtpReceiver:i.receiver})}return t}async stopReceiving(e){if(this.assertRecvDirection(),this._closed)return;for(const t of e){h.debug("stopReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);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 t of e)this._mapMidTransceiver.delete(t)}async pauseReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const t of e){h.debug("pauseReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="inactive",this._remoteSdp.pauseMediaSection(t)}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 t of e){h.debug("resumeReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="recvonly",this._remoteSdp.resumeReceivingMediaSection(t)}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.assertNotClosed(),this.assertRecvDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.receiver.getStats()}async receiveDataChannel({sctpStreamParameters:e,label:t,protocol:r}){this.assertNotClosed(),this.assertRecvDirection();const{streamId:s,ordered:i,maxPacketLifeTime:a,maxRetransmits:o}=e,c={negotiated:!0,id:s,ordered:i,maxPacketLifeTime:a,maxRetransmits:o,protocol:r};h.debug("receiveDataChannel() [options:%o]",c);const d=this._pc.createDataChannel(t,c);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 this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:e})}h.debug("receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setLocalDescription(t),this._hasDataChannelMediaSection=!0}return{dataChannel:d}}async setupTransport({localDtlsRole:e,localSdpObject:t}){t||(t=n.parse(this._pc.localDescription.sdp));const r=d.extractDtlsParameters({sdpObject:t});r.role=e,this._remoteSdp.updateDtlsRole("client"===e?"server":"client"),await new 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s.EnhancedEventEmitter{_closed=!1;_direction;_remoteSdp;_getSendExtendedRtpCapabilities;_forcedLocalDtlsRole;_pc;_mapMidTransceiver=new Map;_sendStream=new MediaStream;_hasDataChannelMediaSection=!1;_nextSendSctpStreamId=0;_transportReady=!1;static createFactory(){return{name:m,factory:e=>new v(e),getNativeRtpCapabilities:async()=>{h.debug("getNativeRtpCapabilities()");let e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require"});try{e.addTransceiver("audio"),e.addTransceiver("video");const t=await e.createOffer();try{e.close()}catch(e){}e=void 0;const r=n.parse(t.sdp);return v.getLocalRtpCapabilities(r)}catch(t){try{e?.close()}catch(e){}throw e=void 0,t}},getNativeSctpCapabilities:async()=>(h.debug("getNativeSctpCapabilities()"),{numStreams:f})}}static getLocalRtpCapabilities(e){const t=u.extractRtpCapabilities({sdpObject:e});return a.validateAndNormalizeRtpCapabilities(t),p.addNackSupportForOpus(t),t}constructor({direction:e,iceParameters:t,iceCandidates:r,dtlsParameters:n,sctpParameters:s,iceServers:i,iceTransportPolicy:a,additionalSettings:o,getSendExtendedRtpCapabilities:c}){super(),h.debug("constructor()"),this._direction=e,this._remoteSdp=new d.RemoteSdp({iceParameters:t,iceCandidates:r,dtlsParameters:n,sctpParameters:s}),this._getSendExtendedRtpCapabilities=c,n.role&&"auto"!==n.role&&(this._forcedLocalDtlsRole="server"===n.role?"client":"server"),this._pc=new RTCPeerConnection({iceServers:i??[],iceTransportPolicy:a??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",...o}),this._pc.addEventListener("icegatheringstatechange",this.onIceGatheringStateChange),this._pc.addEventListener("icecandidateerror",this.onIceCandidateError),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",this.onConnectionStateChange):(h.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.addEventListener("iceconnectionstatechange",this.onIceConnectionStateChange))}get name(){return m}close(){if(h.debug("close()"),!this._closed){this._closed=!0,this._sendStream.release(!1);try{this._pc.close()}catch(e){}this._pc.removeEventListener("icegatheringstatechange",this.onIceGatheringStateChange),this._pc.removeEventListener("icecandidateerror",this.onIceCandidateError),this._pc.removeEventListener("connectionstatechange",this.onConnectionStateChange),this._pc.removeEventListener("iceconnectionstatechange",this.onIceConnectionStateChange),this.emit("@close"),super.close()}}async updateIceServers(e){this.assertNotClosed(),h.debug("updateIceServers()");const t=this._pc.getConfiguration();t.iceServers=e,this._pc.setConfiguration(t)}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({track:e,encodings:t,codecOptions:r,codec:s,onRtpSender:i}){this.assertNotClosed(),this.assertSendDirection(),h.debug("send() [kind:%s, track.id:%s]",e.kind,e.id),t&&t.length>1&&t.forEach(((e,t)=>{e.rid=`r${t}`}));const o=this._remoteSdp.getNextMediaSectionIdx(),d=this._pc.addTransceiver(e,{direction:"sendonly",streams:[this._sendStream],sendEncodings:t});i&&i(d.sender);let p=await this._pc.createOffer(),m=n.parse(p.sdp);m.extmapAllowMixed&&this._remoteSdp.setSessionExtmapAllowMixed();const f=v.getLocalRtpCapabilities(m),g=this._getSendExtendedRtpCapabilities(f),_=a.getSendingRtpParameters(e.kind,g);_.codecs=a.reduceCodecs(_.codecs,s);const y=a.getSendingRemoteRtpParameters(e.kind,g);y.codecs=a.reduceCodecs(y.codecs,s),this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:m});let b=!1;const w=(0,c.parse)((t??[{}])[0].scalabilityMode);let E;t&&1===t.length&&w.spatialLayers>1&&"video/vp9"===_.codecs[0].mimeType.toLowerCase()&&(h.debug("send() | enabling legacy simulcast for VP9 SVC"),b=!0,m=n.parse(p.sdp),E=m.media[o.idx],l.addLegacySimulcast({offerMediaObject:E,numStreams:w.spatialLayers}),p={type:"offer",sdp:n.write(m)}),h.debug("send() | calling pc.setLocalDescription() [offer:%o]",p),await this._pc.setLocalDescription(p);let S=d.mid??void 0;if(S||h.warn("send() | missing transceiver.mid (bug in react-native-webrtc, using a workaround"),_.mid=S,m=n.parse(this._pc.localDescription.sdp),E=m.media[o.idx],_.rtcp.cname=u.getCname({offerMediaObject:E}),t)if(1===t.length){let e=l.getRtpEncodings({offerMediaObject:E});Object.assign(e[0],t[0]),b&&(e=[e[0]]),_.encodings=e}else _.encodings=t;else _.encodings=l.getRtpEncodings({offerMediaObject:E});if(_.encodings.length>1&&("video/vp8"===_.codecs[0].mimeType.toLowerCase()||"video/h264"===_.codecs[0].mimeType.toLowerCase()))for(const e of _.encodings)e.scalabilityMode?e.scalabilityMode=`L1T${w.temporalLayers}`:e.scalabilityMode="L1T3";this._remoteSdp.send({offerMediaObject:E,reuseMid:o.reuseMid,offerRtpParameters:_,answerRtpParameters:y,codecOptions:r});const k={type:"answer",sdp:this._remoteSdp.getSdp()};return h.debug("send() | calling pc.setRemoteDescription() [answer:%o]",k),await this._pc.setRemoteDescription(k),S||(S=d.mid,_.mid=S),this._mapMidTransceiver.set(S,d),{localId:S,rtpParameters:_,rtpSender:d.sender}}async stopSending(e){if(this.assertSendDirection(),this._closed)return;h.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(e){}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(this._remoteSdp.resumeSendingMediaSection(e),!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="sendonly";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 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 s=await this._pc.createOffer();h.debug("setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const i={type:"answer",sdp:this._remoteSdp.getSdp()};h.debug("setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]",i),await this._pc.setRemoteDescription(i)}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 s=await this._pc.createOffer();h.debug("setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const i={type:"answer",sdp:this._remoteSdp.getSdp()};h.debug("setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]",i),await this._pc.setRemoteDescription(i)}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({ordered:e,maxPacketLifeTime:t,maxRetransmits:r,label:s,protocol:i}){this.assertNotClosed(),this.assertSendDirection();const a={negotiated:!0,id:this._nextSendSctpStreamId,ordered:e,maxPacketLifeTime:t,maxRetransmits:r,protocol:i};h.debug("sendDataChannel() [options:%o]",a);const o=this._pc.createDataChannel(s,a);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:this._forcedLocalDtlsRole??"client",localSdpObject:t}),h.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:r});const s={type:"answer",sdp:this._remoteSdp.getSdp()};h.debug("sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]",s),await this._pc.setRemoteDescription(s),this._hasDataChannelMediaSection=!0}return{dataChannel:o,sctpStreamParameters:{streamId:a.id,ordered:a.ordered,maxPacketLifeTime:a.maxPacketLifeTime,maxRetransmits:a.maxRetransmits}}}async receive(e){this.assertNotClosed(),this.assertRecvDirection();const t=[],r=new Map;for(const t of e){const{trackId:e,kind:n,rtpParameters:s,streamId:i}=t;h.debug("receive() [trackId:%s, kind:%s]",e,n);const a=s.mid??String(this._mapMidTransceiver.size);r.set(e,a),this._remoteSdp.receive({mid:a,kind:n,offerRtpParameters:s,streamId:i??s.rtcp.cname,trackId:e})}const s={type:"offer",sdp:this._remoteSdp.getSdp()};h.debug("receive() | calling pc.setRemoteDescription() [offer:%o]",s),await this._pc.setRemoteDescription(s);for(const t of e){const{trackId:e,onRtpReceiver:n}=t;if(n){const t=r.get(e),s=this._pc.getTransceivers().find((e=>e.mid===t));if(!s)throw new Error("transceiver not found");n(s.receiver)}}let i=await this._pc.createAnswer();const a=n.parse(i.sdp);for(const t of e){const{trackId:e,rtpParameters:n}=t,s=r.get(e),i=a.media.find((e=>String(e.mid)===s));u.applyCodecParameters({offerRtpParameters:n,answerMediaObject:i})}i={type:"answer",sdp:n.write(a)},this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:a}),h.debug("receive() | calling pc.setLocalDescription() [answer:%o]",i),await this._pc.setLocalDescription(i);for(const n of e){const{trackId:e}=n,s=r.get(e),i=this._pc.getTransceivers().find((e=>e.mid===s));if(!i)throw new Error("new RTCRtpTransceiver not found");this._mapMidTransceiver.set(s,i),t.push({localId:s,track:i.receiver.track,rtpReceiver:i.receiver})}return t}async stopReceiving(e){if(this.assertRecvDirection(),this._closed)return;for(const t of e){h.debug("stopReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);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 t of e)this._mapMidTransceiver.delete(t)}async pauseReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const t of e){h.debug("pauseReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="inactive",this._remoteSdp.pauseMediaSection(t)}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 t of e){h.debug("resumeReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="recvonly",this._remoteSdp.resumeReceivingMediaSection(t)}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.assertNotClosed(),this.assertRecvDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.receiver.getStats()}async receiveDataChannel({sctpStreamParameters:e,label:t,protocol:r}){this.assertNotClosed(),this.assertRecvDirection();const{streamId:s,ordered:i,maxPacketLifeTime:a,maxRetransmits:o}=e,c={negotiated:!0,id:s,ordered:i,maxPacketLifeTime:a,maxRetransmits:o,protocol:r};h.debug("receiveDataChannel() [options:%o]",c);const d=this._pc.createDataChannel(t,c);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 this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:e})}h.debug("receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setLocalDescription(t),this._hasDataChannelMediaSection=!0}return{dataChannel:d}}async setupTransport({localDtlsRole:e,localSdpObject:t}){t||(t=n.parse(this._pc.localDescription.sdp));const r=u.extractDtlsParameters({sdpObject:t});r.role=e,this._remoteSdp.updateDtlsRole("client"===e?"server":"client"),await new Promise(((e,t)=>{this.safeEmit("@connect",{dtlsParameters:r},e,t)})),this._transportReady=!0}onIceGatheringStateChange=()=>{this.emit("@icegatheringstatechange",this._pc.iceGatheringState)};onIceCandidateError=e=>{this.emit("@icecandidateerror",e)};onConnectionStateChange=()=>{this.emit("@connectionstatechange",this._pc.connectionState)};onIceConnectionStateChange=()=>{switch(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")}};assertNotClosed(){if(this._closed)throw new o.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.ReactNative106=v},878:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.FakeEvent=void 0;t.FakeEvent=class{NONE=0;CAPTURING_PHASE=1;AT_TARGET=2;BUBBLING_PHASE=3;type;bubbles;cancelable;defaultPrevented=!1;composed=!1;currentTarget=null;eventPhase=this.NONE;isTrusted=!0;target=null;timeStamp=0;cancelBubble=!1;returnValue=!0;srcElement=null;constructor(e,t={}){this.type=e,this.bubbles=t.bubbles??!1,this.cancelable=t.cancelable??!1}preventDefault(){this.cancelable&&(this.defaultPrevented=!0)}stopPropagation(){}stopImmediatePropagation(){}composedPath(){return[]}initEvent(e,t,r){}}},955:function(e,t,r){var n;e.exports=(n=r(9021),r(754),r(4636),r(9506),r(7165),function(){var e=n,t=e.lib.BlockCipher,r=e.algo,s=[],i=[],a=[],o=[],c=[],d=[],u=[],l=[],p=[],h=[];!function(){for(var e=[],t=0;t<256;t++)e[t]=t<128?t<<1:t<<1^283;var r=0,n=0;for(t=0;t<256;t++){var m=n^n<<1^n<<2^n<<3^n<<4;m=m>>>8^255&m^99,s[r]=m,i[m]=r;var f=e[r],v=e[f],g=e[v],_=257*e[m]^16843008*m;a[r]=_<<24|_>>>8,o[r]=_<<16|_>>>16,c[r]=_<<8|_>>>24,d[r]=_,_=16843009*g^65537*v^257*f^16843008*r,u[m]=_<<24|_>>>8,l[m]=_<<16|_>>>16,p[m]=_<<8|_>>>24,h[m]=_,r?(r=f^e[e[e[g^f]]],n^=e[e[n]]):r=n=1}}();var m=[0,1,2,4,8,16,32,64,128,27,54],f=r.AES=t.extend({_doReset:function(){if(!this._nRounds||this._keyPriorReset!==this._key){for(var e=this._keyPriorReset=this._key,t=e.words,r=e.sigBytes/4,n=4*((this._nRounds=r+6)+1),i=this._keySchedule=[],a=0;a<n;a++)a<r?i[a]=t[a]:(d=i[a-1],a%r?r>6&&a%r==4&&(d=s[d>>>24]<<24|s[d>>>16&255]<<16|s[d>>>8&255]<<8|s[255&d]):(d=s[(d=d<<8|d>>>24)>>>24]<<24|s[d>>>16&255]<<16|s[d>>>8&255]<<8|s[255&d],d^=m[a/r|0]<<24),i[a]=i[a-r]^d);for(var o=this._invKeySchedule=[],c=0;c<n;c++){if(a=n-c,c%4)var d=i[a];else d=i[a-4];o[c]=c<4||a<=4?d:u[s[d>>>24]]^l[s[d>>>16&255]]^p[s[d>>>8&255]]^h[s[255&d]]}}},encryptBlock:function(e,t){this._doCryptBlock(e,t,this._keySchedule,a,o,c,d,s)},decryptBlock:function(e,t){var r=e[t+1];e[t+1]=e[t+3],e[t+3]=r,this._doCryptBlock(e,t,this._invKeySchedule,u,l,p,h,i),r=e[t+1],e[t+1]=e[t+3],e[t+3]=r},_doCryptBlock:function(e,t,r,n,s,i,a,o){for(var c=this._nRounds,d=e[t]^r[0],u=e[t+1]^r[1],l=e[t+2]^r[2],p=e[t+3]^r[3],h=4,m=1;m<c;m++){var f=n[d>>>24]^s[u>>>16&255]^i[l>>>8&255]^a[255&p]^r[h++],v=n[u>>>24]^s[l>>>16&255]^i[p>>>8&255]^a[255&d]^r[h++],g=n[l>>>24]^s[p>>>16&255]^i[d>>>8&255]^a[255&u]^r[h++],_=n[p>>>24]^s[d>>>16&255]^i[u>>>8&255]^a[255&l]^r[h++];d=f,u=v,l=g,p=_}f=(o[d>>>24]<<24|o[u>>>16&255]<<16|o[l>>>8&255]<<8|o[255&p])^r[h++],v=(o[u>>>24]<<24|o[l>>>16&255]<<16|o[p>>>8&255]<<8|o[255&d])^r[h++],g=(o[l>>>24]<<24|o[p>>>16&255]<<16|o[d>>>8&255]<<8|o[255&u])^r[h++],_=(o[p>>>24]<<24|o[d>>>16&255]<<16|o[u>>>8&255]<<8|o[255&l])^r[h++],e[t]=f,e[t+1]=v,e[t+2]=g,e[t+3]=_},keySize:8});e.AES=t._createHelper(f)}(),n.AES)},1025:function(e,t,r){var n,s,i,a;e.exports=(n=r(9021),i=(s=n).lib.Base,a=s.enc.Utf8,void(s.algo.HMAC=i.extend({init:function(e,t){e=this._hasher=new e.init,"string"==typeof t&&(t=a.parse(t));var r=e.blockSize,n=4*r;t.sigBytes>n&&(t=e.finalize(t)),t.clamp();for(var s=this._oKey=t.clone(),i=this._iKey=t.clone(),o=s.words,c=i.words,d=0;d<r;d++)o[d]^=1549556828,c[d]^=909522486;s.sigBytes=i.sigBytes=n,this.reset()},reset:function(){var e=this._hasher;e.reset(),e.update(this._iKey)},update:function(e){return this._hasher.update(e),this},finalize:function(e){var t=this._hasher,r=t.finalize(e);return t.reset(),t.finalize(this._oKey.clone().concat(r))}})))},1305:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.RemoteSdp=void 0;const n=r(7363),s=r(2994),i=r(3471),a=["av1","h264"],o=new s.Logger("RemoteSdp");t.RemoteSdp=class{_iceParameters;_iceCandidates;_dtlsParameters;_sctpParameters;_plainRtpParameters;_mediaSections=[];_midToIndex=new Map;_firstMid;_sdpObject;constructor({iceParameters:e,iceCandidates:t,dtlsParameters:r,sctpParameters:n,plainRtpParameters:s}){if(this._iceParameters=e,this._iceCandidates=t,this._dtlsParameters=r,this._sctpParameters=n,this._plainRtpParameters=s,this._sdpObject={version:0,origin:{address:"0.0.0.0",ipVer:4,netType:"IN",sessionId:"10000",sessionVersion:0,username:"mediasoup-client"},name:"-",timing:{start:0,stop:0},media:[]},e?.iceLite&&(this._sdpObject.icelite="ice-lite"),r){this._sdpObject.msidSemantic={semantic:"WMS",token:"*"};const e=this._dtlsParameters.fingerprints.length;this._sdpObject.fingerprint={type:r.fingerprints[e-1].algorithm,hash:r.fingerprints[e-1].value},this._sdpObject.groups=[{type:"BUNDLE",mids:""}]}s&&(this._sdpObject.origin.address=s.ip,this._sdpObject.origin.ipVer=s.ipVersion)}updateIceParameters(e){o.debug("updateIceParameters() [iceParameters:%o]",e),this._iceParameters=e,this._sdpObject.icelite=e.iceLite?"ice-lite":void 0;for(const t of this._mediaSections)t.setIceParameters(e)}updateDtlsRole(e){o.debug("updateDtlsRole() [role:%s]",e),this._dtlsParameters.role=e;for(const t of this._mediaSections)t.setDtlsRole(e)}setSessionExtmapAllowMixed(){o.debug("setSessionExtmapAllowMixed()"),this._sdpObject.extmapAllowMixed="extmap-allow-mixed"}getNextMediaSectionIdx(){for(let e=0;e<this._mediaSections.length;++e){const t=this._mediaSections[e];if(t.closed)return{idx:e,reuseMid:t.mid}}return{idx:this._mediaSections.length}}send({offerMediaObject:e,reuseMid:t,offerRtpParameters:r,answerRtpParameters:n,codecOptions:s}){const o=new i.AnswerMediaSection({iceParameters:this._iceParameters,iceCandidates:this._iceCandidates,dtlsParameters:this._dtlsParameters,plainRtpParameters:this._plainRtpParameters,offerMediaObject:e,offerRtpParameters:r,answerRtpParameters:n,codecOptions:s}),c=o.getObject();c.rtp.find((e=>a.includes(e.codec.toLowerCase())))||(c.ext=c.ext?.filter((e=>"https://aomediacodec.github.io/av1-rtp-spec/#dependency-descriptor-rtp-header-extension"!==e.uri))),t?this._replaceMediaSection(o,t):this._midToIndex.has(o.mid)?this._replaceMediaSection(o):this._addMediaSection(o)}receive({mid:e,kind:t,offerRtpParameters:r,streamId:n,trackId:s}){this.setSessionExtmapAllowMixed();const a=new i.OfferMediaSection({iceParameters:this._iceParameters,iceCandidates:this._iceCandidates,dtlsParameters:this._dtlsParameters,plainRtpParameters:this._plainRtpParameters,mid:e,kind:t,offerRtpParameters:r,streamId:n,trackId:s}),o=this._mediaSections.find((e=>e.closed));o?this._replaceMediaSection(a,o.mid):this._addMediaSection(a)}pauseMediaSection(e){this._findMediaSection(e).pause()}resumeSendingMediaSection(e){this._findMediaSection(e).resume()}resumeReceivingMediaSection(e){this._findMediaSection(e).resume()}disableMediaSection(e){this._findMediaSection(e).disable()}closeMediaSection(e){const t=this._findMediaSection(e);return e===this._firstMid?(o.debug("closeMediaSection() | cannot close first media section, disabling it instead [mid:%s]",e),this.disableMediaSection(e),!1):(t.close(),this._regenerateBundleMids(),!0)}muxMediaSectionSimulcast(e,t){const r=this._findMediaSection(e);r.muxSimulcastStreams(t),this._replaceMediaSection(r)}sendSctpAssociation({offerMediaObject:e}){const t=new i.AnswerMediaSection({iceParameters:this._iceParameters,iceCandidates:this._iceCandidates,dtlsParameters:this._dtlsParameters,sctpParameters:this._sctpParameters,plainRtpParameters:this._plainRtpParameters,offerMediaObject:e});this._addMediaSection(t)}receiveSctpAssociation(){const e=new i.OfferMediaSection({iceParameters:this._iceParameters,iceCandidates:this._iceCandidates,dtlsParameters:this._dtlsParameters,sctpParameters:this._sctpParameters,plainRtpParameters:this._plainRtpParameters,mid:"datachannel",kind:"application"});this._addMediaSection(e)}getSdp(){return this._sdpObject.origin.sessionVersion++,n.write(this._sdpObject)}_addMediaSection(e){this._firstMid||(this._firstMid=e.mid),this._mediaSections.push(e),this._midToIndex.set(e.mid,this._mediaSections.length-1),this._sdpObject.media.push(e.getObject()),this._regenerateBundleMids()}_replaceMediaSection(e,t){if("string"==typeof t){const r=this._midToIndex.get(t);if(void 0===r)throw new Error(`no media section found for reuseMid '${t}'`);const n=this._mediaSections[r];this._mediaSections[r]=e,this._midToIndex.delete(n.mid),this._midToIndex.set(e.mid,r),this._sdpObject.media[r]=e.getObject(),this._regenerateBundleMids()}else{const t=this._midToIndex.get(e.mid);if(void 0===t)throw new Error(`no media section found with mid '${e.mid}'`);this._mediaSections[t]=e,this._sdpObject.media[t]=e.getObject()}}_findMediaSection(e){const t=this._midToIndex.get(e);if(void 0===t)throw new Error(`no media section found with mid '${e}'`);return this._mediaSections[t]}_regenerateBundleMids(){this._dtlsParameters&&(this._sdpObject.groups[0].mids=this._mediaSections.filter((e=>!e.closed)).map((e=>e.mid)).join(" "))}}},1380:function(e,t,r){var n;e.exports=(n=r(9021),r(3240),function(){var e=n,t=e.lib.Hasher,r=e.x64,s=r.Word,i=r.WordArray,a=e.algo;function o(){return s.create.apply(s,arguments)}var c=[o(1116352408,3609767458),o(1899447441,602891725),o(3049323471,3964484399),o(3921009573,2173295548),o(961987163,4081628472),o(1508970993,3053834265),o(2453635748,2937671579),o(2870763221,3664609560),o(3624381080,2734883394),o(310598401,1164996542),o(607225278,1323610764),o(1426881987,3590304994),o(1925078388,4068182383),o(2162078206,991336113),o(2614888103,633803317),o(3248222580,3479774868),o(3835390401,2666613458),o(4022224774,944711139),o(264347078,2