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@agora-js/media

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media module across @agora-js packages

api-ref.agora.io/en/voice-sdk/web/4.x/index.html

AgoraIO/agora-rtc-web

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/** * AgoraWebSDK_N-v4.24.3-0-g6cc16b0bb-dirty Copyright AgoraInc. */ !function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).AgoraRTCMedia={})}(this,(function(e){"use strict";function t(e,t){return t.forEach((function(t){t&&"string"!=typeof t&&!Array.isArray(t)&&Object.keys(t).forEach((function(r){if("default"!==r&&!(r in e)){var i=Object.getOwnPropertyDescriptor(t,r);Object.defineProperty(e,r,i.get?i:{enumerable:!0,get:function(){return t[r]}})}}))})),Object.freeze(e)}let r=!0,i=!0;function n(e,t,r){const i=e.match(t);return i&&i.length>=r&&parseInt(i[r],10)}function o(e,t,r){if(!e.RTCPeerConnection)return;const i=e.RTCPeerConnection.prototype,n=i.addEventListener;i.addEventListener=function(e,i){if(e!==t)return n.apply(this,arguments);const o=e=>{const t=r(e);t&&(i.handleEvent?i.handleEvent(t):i(t))};return this._eventMap=this._eventMap||{},this._eventMap[t]||(this._eventMap[t]=new Map),this._eventMap[t].set(i,o),n.apply(this,[e,o])};const o=i.removeEventListener;i.removeEventListener=function(e,r){if(e!==t||!this._eventMap||!this._eventMap[t])return o.apply(this,arguments);if(!this._eventMap[t].has(r))return o.apply(this,arguments);const i=this._eventMap[t].get(r);return this._eventMap[t].delete(r),0===this._eventMap[t].size&&delete this._eventMap[t],0===Object.keys(this._eventMap).length&&delete this._eventMap,o.apply(this,[e,i])},Object.defineProperty(i,"on"+t,{get(){return this["_on"+t]},set(e){this["_on"+t]&&(this.removeEventListener(t,this["_on"+t]),delete this["_on"+t]),e&&this.addEventListener(t,this["_on"+t]=e)},enumerable:!0,configurable:!0})}function s(e){return"boolean"!=typeof e?new Error("Argument type: "+typeof e+". Please use a boolean."):(r=e,e?"adapter.js logging disabled":"adapter.js logging enabled")}function a(e){return"boolean"!=typeof e?new Error("Argument type: "+typeof e+". Please use a boolean."):(i=!e,"adapter.js deprecation warnings "+(e?"disabled":"enabled"))}function c(){if("object"==typeof window){if(r)return;"undefined"!=typeof console&&"function"==typeof console.log&&console.log.apply(console,arguments)}}function d(e,t){i&&console.warn(e+" is deprecated, please use "+t+" instead.")}function u(e){return"[object Object]"===Object.prototype.toString.call(e)}function l(e){return u(e)?Object.keys(e).reduce((function(t,r){const i=u(e[r]),n=i?l(e[r]):e[r],o=i&&!Object.keys(n).length;return void 0===n||o?t:Object.assign(t,{[r]:n})}),{}):e}function h(e,t,r){t&&!r.has(t.id)&&(r.set(t.id,t),Object.keys(t).forEach((i=>{i.endsWith("Id")?h(e,e.get(t[i]),r):i.endsWith("Ids")&&t[i].forEach((t=>{h(e,e.get(t),r)}))})))}function p(e,t,r){const i=r?"outbound-rtp":"inbound-rtp",n=new Map;if(null===t)return n;const o=[];return e.forEach((e=>{"track"===e.type&&e.trackIdentifier===t.id&&o.push(e)})),o.forEach((t=>{e.forEach((r=>{r.type===i&&r.trackId===t.id&&h(e,r,n)}))})),n}const f=c;function E(e,t){const r=e&&e.navigator;if(!r.mediaDevices)return;const i=function(e){if("object"!=typeof e||e.mandatory||e.optional)return e;const t={};return Object.keys(e).forEach((r=>{if("require"===r||"advanced"===r||"mediaSource"===r)return;const i="object"==typeof e[r]?e[r]:{ideal:e[r]};void 0!==i.exact&&"number"==typeof i.exact&&(i.min=i.max=i.exact);const n=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==i.ideal){t.optional=t.optional||[];let e={};"number"==typeof i.ideal?(e[n("min",r)]=i.ideal,t.optional.push(e),e={},e[n("max",r)]=i.ideal,t.optional.push(e)):(e[n("",r)]=i.ideal,t.optional.push(e))}void 0!==i.exact&&"number"!=typeof i.exact?(t.mandatory=t.mandatory||{},t.mandatory[n("",r)]=i.exact):["min","max"].forEach((e=>{void 0!==i[e]&&(t.mandatory=t.mandatory||{},t.mandatory[n(e,r)]=i[e])}))})),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},n=function(e,n){if(t.version>=61)return n(e);if((e=JSON.parse(JSON.stringify(e)))&&"object"==typeof e.audio){const t=function(e,t,r){t in e&&!(r in e)&&(e[r]=e[t],delete e[t])};t((e=JSON.parse(JSON.stringify(e))).audio,"autoGainControl","googAutoGainControl"),t(e.audio,"noiseSuppression","googNoiseSuppression"),e.audio=i(e.audio)}if(e&&"object"==typeof e.video){let o=e.video.facingMode;o=o&&("object"==typeof o?o:{ideal:o});const s=t.version<66;if(o&&("user"===o.exact||"environment"===o.exact||"user"===o.ideal||"environment"===o.ideal)&&(!r.mediaDevices.getSupportedConstraints||!r.mediaDevices.getSupportedConstraints().facingMode||s)){let t;if(delete e.video.facingMode,"environment"===o.exact||"environment"===o.ideal?t=["back","rear"]:"user"!==o.exact&&"user"!==o.ideal||(t=["front"]),t)return r.mediaDevices.enumerateDevices().then((r=>{let s=(r=r.filter((e=>"videoinput"===e.kind))).find((e=>t.some((t=>e.label.toLowerCase().includes(t)))));return!s&&r.length&&t.includes("back")&&(s=r[r.length-1]),s&&(e.video.deviceId=o.exact?{exact:s.deviceId}:{ideal:s.deviceId}),e.video=i(e.video),f("chrome: "+JSON.stringify(e)),n(e)}))}e.video=i(e.video)}return f("chrome: "+JSON.stringify(e)),n(e)},o=function(e){return t.version>=64?e:{name:{PermissionDeniedError:"NotAllowedError",PermissionDismissedError:"NotAllowedError",InvalidStateError:"NotAllowedError",DevicesNotFoundError:"NotFoundError",ConstraintNotSatisfiedError:"OverconstrainedError",TrackStartError:"NotReadableError",MediaDeviceFailedDueToShutdown:"NotAllowedError",MediaDeviceKillSwitchOn:"NotAllowedError",TabCaptureError:"AbortError",ScreenCaptureError:"AbortError",DeviceCaptureError:"AbortError"}[e.name]||e.name,message:e.message,constraint:e.constraint||e.constraintName,toString(){return this.name+(this.message&&": ")+this.message}}};if(r.getUserMedia=function(e,t,i){n(e,(e=>{r.webkitGetUserMedia(e,t,(e=>{i&&i(o(e))}))}))}.bind(r),r.mediaDevices.getUserMedia){const e=r.mediaDevices.getUserMedia.bind(r.mediaDevices);r.mediaDevices.getUserMedia=function(t){return n(t,(t=>e(t).then((e=>{if(t.audio&&!e.getAudioTracks().length||t.video&&!e.getVideoTracks().length)throw e.getTracks().forEach((e=>{e.stop()})),new DOMException("","NotFoundError");return e}),(e=>Promise.reject(o(e))))))}}}function m(e){e.MediaStream=e.MediaStream||e.webkitMediaStream}function _(e){if("object"==typeof e&&e.RTCPeerConnection&&!("ontrack"in e.RTCPeerConnection.prototype)){Object.defineProperty(e.RTCPeerConnection.prototype,"ontrack",{get(){return this._ontrack},set(e){this._ontrack&&this.removeEventListener("track",this._ontrack),this.addEventListener("track",this._ontrack=e)},enumerable:!0,configurable:!0});const t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){return this._ontrackpoly||(this._ontrackpoly=t=>{t.stream.addEventListener("addtrack",(r=>{let i;i=e.RTCPeerConnection.prototype.getReceivers?this.getReceivers().find((e=>e.track&&e.track.id===r.track.id)):{track:r.track};const n=new Event("track");n.track=r.track,n.receiver=i,n.transceiver={receiver:i},n.streams=[t.stream],this.dispatchEvent(n)})),t.stream.getTracks().forEach((r=>{let i;i=e.RTCPeerConnection.prototype.getReceivers?this.getReceivers().find((e=>e.track&&e.track.id===r.id)):{track:r};const n=new Event("track");n.track=r,n.receiver=i,n.transceiver={receiver:i},n.streams=[t.stream],this.dispatchEvent(n)}))},this.addEventListener("addstream",this._ontrackpoly)),t.apply(this,arguments)}}else o(e,"track",(e=>(e.transceiver||Object.defineProperty(e,"transceiver",{value:{receiver:e.receiver}}),e)))}function T(e){if("object"==typeof e&&e.RTCPeerConnection&&!("getSenders"in e.RTCPeerConnection.prototype)&&"createDTMFSender"in e.RTCPeerConnection.prototype){const t=function(e,t){return{track:t,get dtmf(){return void 0===this._dtmf&&("audio"===t.kind?this._dtmf=e.createDTMFSender(t):this._dtmf=null),this._dtmf},_pc:e}};if(!e.RTCPeerConnection.prototype.getSenders){e.RTCPeerConnection.prototype.getSenders=function(){return this._senders=this._senders||[],this._senders.slice()};const r=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,i){let n=r.apply(this,arguments);return n||(n=t(this,e),this._senders.push(n)),n};const i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){i.apply(this,arguments);const t=this._senders.indexOf(e);-1!==t&&this._senders.splice(t,1)}}const r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._senders=this._senders||[],r.apply(this,[e]),e.getTracks().forEach((e=>{this._senders.push(t(this,e))}))};const i=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){this._senders=this._senders||[],i.apply(this,[e]),e.getTracks().forEach((e=>{const t=this._senders.find((t=>t.track===e));t&&this._senders.splice(this._senders.indexOf(t),1)}))}}else if("object"==typeof e&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){const t=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){const e=t.apply(this,[]);return e.forEach((e=>e._pc=this)),e},Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=this._pc.createDTMFSender(this.track):this._dtmf=null),this._dtmf}})}}function g(e){if(!e.RTCPeerConnection)return;const t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){const[e,r,i]=arguments;if(arguments.length>0&&"function"==typeof e)return t.apply(this,arguments);if(0===t.length&&(0===arguments.length||"function"!=typeof e))return t.apply(this,[]);const n=function(e){const t={};return e.result().forEach((e=>{const r={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach((t=>{r[t]=e.stat(t)})),t[r.id]=r})),t},o=function(e){return new Map(Object.keys(e).map((t=>[t,e[t]])))};if(arguments.length>=2){const i=function(e){r(o(n(e)))};return t.apply(this,[i,e])}return new Promise(((e,r)=>{t.apply(this,[function(t){e(o(n(t)))},r])})).then(r,i)}}function S(e){if(!("object"==typeof e&&e.RTCPeerConnection&&e.RTCRtpSender&&e.RTCRtpReceiver))return;if(!("getStats"in e.RTCRtpSender.prototype)){const t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){const e=t.apply(this,[]);return e.forEach((e=>e._pc=this)),e});const r=e.RTCPeerConnection.prototype.addTrack;r&&(e.RTCPeerConnection.prototype.addTrack=function(){const e=r.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){const e=this;return this._pc.getStats().then((t=>p(t,e.track,!0)))}}if(!("getStats"in e.RTCRtpReceiver.prototype)){const t=e.RTCPeerConnection.prototype.getReceivers;t&&(e.RTCPeerConnection.prototype.getReceivers=function(){const e=t.apply(this,[]);return e.forEach((e=>e._pc=this)),e}),o(e,"track",(e=>(e.receiver._pc=e.srcElement,e))),e.RTCRtpReceiver.prototype.getStats=function(){const e=this;return this._pc.getStats().then((t=>p(t,e.track,!1)))}}if(!("getStats"in e.RTCRtpSender.prototype)||!("getStats"in e.RTCRtpReceiver.prototype))return;const t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof e.MediaStreamTrack){const e=arguments[0];let t,r,i;return this.getSenders().forEach((r=>{r.track===e&&(t?i=!0:t=r)})),this.getReceivers().forEach((t=>(t.track===e&&(r?i=!0:r=t),t.track===e))),i||t&&r?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):t?t.getStats():r?r.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return t.apply(this,arguments)}}function R(e){e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map((e=>this._shimmedLocalStreams[e][0]))};const t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,r){if(!r)return t.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};const i=t.apply(this,arguments);return this._shimmedLocalStreams[r.id]?-1===this._shimmedLocalStreams[r.id].indexOf(i)&&this._shimmedLocalStreams[r.id].push(i):this._shimmedLocalStreams[r.id]=[r,i],i};const r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._shimmedLocalStreams=this._shimmedLocalStreams||{},e.getTracks().forEach((e=>{if(this.getSenders().find((t=>t.track===e)))throw new DOMException("Track already exists.","InvalidAccessError")}));const t=this.getSenders();r.apply(this,arguments);const i=this.getSenders().filter((e=>-1===t.indexOf(e)));this._shimmedLocalStreams[e.id]=[e].concat(i)};const i=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[e.id],i.apply(this,arguments)};const n=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},e&&Object.keys(this._shimmedLocalStreams).forEach((t=>{const r=this._shimmedLocalStreams[t].indexOf(e);-1!==r&&this._shimmedLocalStreams[t].splice(r,1),1===this._shimmedLocalStreams[t].length&&delete this._shimmedLocalStreams[t]})),n.apply(this,arguments)}}function y(e,t){if(!e.RTCPeerConnection)return;if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return R(e);const r=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){const e=r.apply(this);return this._reverseStreams=this._reverseStreams||{},e.map((e=>this._reverseStreams[e.id]))};const i=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){if(this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},t.getTracks().forEach((e=>{if(this.getSenders().find((t=>t.track===e)))throw new DOMException("Track already exists.","InvalidAccessError")})),!this._reverseStreams[t.id]){const r=new e.MediaStream(t.getTracks());this._streams[t.id]=r,this._reverseStreams[r.id]=t,t=r}i.apply(this,[t])};const n=e.RTCPeerConnection.prototype.removeStream;function o(e,t){let r=t.sdp;return Object.keys(e._reverseStreams||[]).forEach((t=>{const i=e._reverseStreams[t],n=e._streams[i.id];r=r.replace(new RegExp(n.id,"g"),i.id)})),new RTCSessionDescription({type:t.type,sdp:r})}e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},n.apply(this,[this._streams[e.id]||e]),delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id],delete this._streams[e.id]},e.RTCPeerConnection.prototype.addTrack=function(t,r){if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");const i=[].slice.call(arguments,1);if(1!==i.length||!i[0].getTracks().find((e=>e===t)))throw new DOMException("The adapter.js addTrack polyfill only supports a single stream which is associated with the specified track.","NotSupportedError");if(this.getSenders().find((e=>e.track===t)))throw new DOMException("Track already exists.","InvalidAccessError");this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{};const n=this._streams[r.id];if(n)n.addTrack(t),Promise.resolve().then((()=>{this.dispatchEvent(new Event("negotiationneeded"))}));else{const i=new e.MediaStream([t]);this._streams[r.id]=i,this._reverseStreams[i.id]=r,this.addStream(i)}return this.getSenders().find((e=>e.track===t))},["createOffer","createAnswer"].forEach((function(t){const r=e.RTCPeerConnection.prototype[t],i={[t](){const e=arguments;return arguments.length&&"function"==typeof arguments[0]?r.apply(this,[t=>{const r=o(this,t);e[0].apply(null,[r])},t=>{e[1]&&e[1].apply(null,t)},arguments[2]]):r.apply(this,arguments).then((e=>o(this,e)))}};e.RTCPeerConnection.prototype[t]=i[t]}));const s=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){return arguments.length&&arguments[0].type?(arguments[0]=function(e,t){let r=t.sdp;return Object.keys(e._reverseStreams||[]).forEach((t=>{const i=e._reverseStreams[t],n=e._streams[i.id];r=r.replace(new RegExp(i.id,"g"),n.id)})),new RTCSessionDescription({type:t.type,sdp:r})}(this,arguments[0]),s.apply(this,arguments)):s.apply(this,arguments)};const a=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get(){const e=a.get.apply(this);return""===e.type?e:o(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!e._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError");if(!(e._pc===this))throw new DOMException("Sender was not created by this connection.","InvalidAccessError");let t;this._streams=this._streams||{},Object.keys(this._streams).forEach((r=>{this._streams[r].getTracks().find((t=>e.track===t))&&(t=this._streams[r])})),t&&(1===t.getTracks().length?this.removeStream(this._reverseStreams[t.id]):t.removeTrack(e.track),this.dispatchEvent(new Event("negotiationneeded")))}}function v(e,t){!e.RTCPeerConnection&&e.webkitRTCPeerConnection&&(e.RTCPeerConnection=e.webkitRTCPeerConnection),e.RTCPeerConnection&&t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach((function(t){const r=e.RTCPeerConnection.prototype[t],i={[t](){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),r.apply(this,arguments)}};e.RTCPeerConnection.prototype[t]=i[t]}))}function A(e,t){o(e,"negotiationneeded",(e=>{const r=e.target;if(!(t.version<72||r.getConfiguration&&"plan-b"===r.getConfiguration().sdpSemantics)||"stable"===r.signalingState)return e}))}var b=Object.freeze({__proto__:null,fixNegotiationNeeded:A,shimAddTrackRemoveTrack:y,shimAddTrackRemoveTrackWithNative:R,shimGetDisplayMedia:function(e,t){e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices||e.navigator.mediaDevices&&("function"==typeof t?e.navigator.mediaDevices.getDisplayMedia=function(r){return t(r).then((t=>{const i=r.video&&r.video.width,n=r.video&&r.video.height,o=r.video&&r.video.frameRate;return r.video={mandatory:{chromeMediaSource:"desktop",chromeMediaSourceId:t,maxFrameRate:o||3}},i&&(r.video.mandatory.maxWidth=i),n&&(r.video.mandatory.maxHeight=n),e.navigator.mediaDevices.getUserMedia(r)}))}:console.error("shimGetDisplayMedia: getSourceId argument is not a function"))},shimGetSendersWithDtmf:T,shimGetStats:g,shimGetUserMedia:E,shimMediaStream:m,shimOnTrack:_,shimPeerConnection:v,shimSenderReceiverGetStats:S});function I(e,t){const r=e&&e.navigator,i=e&&e.MediaStreamTrack;if(r.getUserMedia=function(e,t,i){d("navigator.getUserMedia","navigator.mediaDevices.getUserMedia"),r.mediaDevices.getUserMedia(e).then(t,i)},!(t.version>55&&"autoGainControl"in r.mediaDevices.getSupportedConstraints())){const e=function(e,t,r){t in e&&!(r in e)&&(e[r]=e[t],delete e[t])},t=r.mediaDevices.getUserMedia.bind(r.mediaDevices);if(r.mediaDevices.getUserMedia=function(r){return"object"==typeof r&&"object"==typeof r.audio&&(r=JSON.parse(JSON.stringify(r)),e(r.audio,"autoGainControl","mozAutoGainControl"),e(r.audio,"noiseSuppression","mozNoiseSuppression")),t(r)},i&&i.prototype.getSettings){const t=i.prototype.getSettings;i.prototype.getSettings=function(){const r=t.apply(this,arguments);return e(r,"mozAutoGainControl","autoGainControl"),e(r,"mozNoiseSuppression","noiseSuppression"),r}}if(i&&i.prototype.applyConstraints){const t=i.prototype.applyConstraints;i.prototype.applyConstraints=function(r){return"audio"===this.kind&&"object"==typeof r&&(r=JSON.parse(JSON.stringify(r)),e(r,"autoGainControl","mozAutoGainControl"),e(r,"noiseSuppression","mozNoiseSuppression")),t.apply(this,[r])}}}}function O(e){"object"==typeof e&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in e.RTCTrackEvent.prototype)&&Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get(){return{receiver:this.receiver}}})}function C(e,t){if("object"!=typeof e||!e.RTCPeerConnection&&!e.mozRTCPeerConnection)return;!e.RTCPeerConnection&&e.mozRTCPeerConnection&&(e.RTCPeerConnection=e.mozRTCPeerConnection),t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach((function(t){const r=e.RTCPeerConnection.prototype[t],i={[t](){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),r.apply(this,arguments)}};e.RTCPeerConnection.prototype[t]=i[t]}));const r={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"},i=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){const[e,n,o]=arguments;return i.apply(this,[e||null]).then((e=>{if(t.version<53&&!n)try{e.forEach((e=>{e.type=r[e.type]||e.type}))}catch(t){if("TypeError"!==t.name)throw t;e.forEach(((t,i)=>{e.set(i,Object.assign({},t,{type:r[t.type]||t.type}))}))}return e})).then(n,o)}}function N(e){if("object"!=typeof e||!e.RTCPeerConnection||!e.RTCRtpSender)return;if(e.RTCRtpSender&&"getStats"in e.RTCRtpSender.prototype)return;const t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){const e=t.apply(this,[]);return e.forEach((e=>e._pc=this)),e});const r=e.RTCPeerConnection.prototype.addTrack;r&&(e.RTCPeerConnection.prototype.addTrack=function(){const e=r.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map)}}function w(e){if("object"!=typeof e||!e.RTCPeerConnection||!e.RTCRtpSender)return;if(e.RTCRtpSender&&"getStats"in e.RTCRtpReceiver.prototype)return;const t=e.RTCPeerConnection.prototype.getReceivers;t&&(e.RTCPeerConnection.prototype.getReceivers=function(){const e=t.apply(this,[]);return e.forEach((e=>e._pc=this)),e}),o(e,"track",(e=>(e.receiver._pc=e.srcElement,e))),e.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track)}}function D(e){e.RTCPeerConnection&&!("removeStream"in e.RTCPeerConnection.prototype)&&(e.RTCPeerConnection.prototype.removeStream=function(e){d("removeStream","removeTrack"),this.getSenders().forEach((t=>{t.track&&e.getTracks().includes(t.track)&&this.removeTrack(t)}))})}function P(e){e.DataChannel&&!e.RTCDataChannel&&(e.RTCDataChannel=e.DataChannel)}function L(e){if("object"!=typeof e||!e.RTCPeerConnection)return;const t=e.RTCPeerConnection.prototype.addTransceiver;t&&(e.RTCPeerConnection.prototype.addTransceiver=function(){this.setParametersPromises=[];let e=arguments[1]&&arguments[1].sendEncodings;void 0===e&&(e=[]),e=[...e];const r=e.length>0;r&&e.forEach((e=>{if("rid"in e){if(!/^[a-z0-9]{0,16}$/i.test(e.rid))throw new TypeError("Invalid RID value provided.")}if("scaleResolutionDownBy"in e&&!(parseFloat(e.scaleResolutionDownBy)>=1))throw new RangeError("scale_resolution_down_by must be >= 1.0");if("maxFramerate"in e&&!(parseFloat(e.maxFramerate)>=0))throw new RangeError("max_framerate must be >= 0.0")}));const i=t.apply(this,arguments);if(r){const{sender:t}=i,r=t.getParameters();(!("encodings"in r)||1===r.encodings.length&&0===Object.keys(r.encodings[0]).length)&&(r.encodings=e,t.sendEncodings=e,this.setParametersPromises.push(t.setParameters(r).then((()=>{delete t.sendEncodings})).catch((()=>{delete t.sendEncodings}))))}return i})}function k(e){if("object"!=typeof e||!e.RTCRtpSender)return;const t=e.RTCRtpSender.prototype.getParameters;t&&(e.RTCRtpSender.prototype.getParameters=function(){const e=t.apply(this,arguments);return"encodings"in e||(e.encodings=[].concat(this.sendEncodings||[{}])),e})}function M(e){if("object"!=typeof e||!e.RTCPeerConnection)return;const t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(){return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then((()=>t.apply(this,arguments))).finally((()=>{this.setParametersPromises=[]})):t.apply(this,arguments)}}function U(e){if("object"!=typeof e||!e.RTCPeerConnection)return;const t=e.RTCPeerConnection.prototype.createAnswer;e.RTCPeerConnection.prototype.createAnswer=function(){return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then((()=>t.apply(this,arguments))).finally((()=>{this.setParametersPromises=[]})):t.apply(this,arguments)}}var x=Object.freeze({__proto__:null,shimAddTransceiver:L,shimCreateAnswer:U,shimCreateOffer:M,shimGetDisplayMedia:function(e,t){e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices||e.navigator.mediaDevices&&(e.navigator.mediaDevices.getDisplayMedia=function(r){if(!r||!r.video){const e=new DOMException("getDisplayMedia without video constraints is undefined");return 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r&&r.forEach((e=>{this._localStreams?this._localStreams.includes(e)||this._localStreams.push(e):this._localStreams=[e]})),t.apply(this,arguments)}}"removeStream"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.removeStream=function(e){this._localStreams||(this._localStreams=[]);const t=this._localStreams.indexOf(e);if(-1===t)return;this._localStreams.splice(t,1);const r=e.getTracks();this.getSenders().forEach((e=>{r.includes(e.track)&&this.removeTrack(e)}))})}}function F(e){if("object"==typeof e&&e.RTCPeerConnection&&("getRemoteStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[]}),!("onaddstream"in e.RTCPeerConnection.prototype))){Object.defineProperty(e.RTCPeerConnection.prototype,"onaddstream",{get(){return this._onaddstream},set(e){this._onaddstream&&(this.removeEventListener("addstream",this._onaddstream),this.removeEventListener("track",this._onaddstreampoly)),this.addEventListener("addstream",this._onaddstream=e),this.addEventListener("track",this._onaddstreampoly=e=>{e.streams.forEach((e=>{if(this._remoteStreams||(this._remoteStreams=[]),this._remoteStreams.includes(e))return;this._remoteStreams.push(e);const t=new Event("addstream");t.stream=e,this.dispatchEvent(t)}))})}});const t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){const e=this;return this._onaddstreampoly||this.addEventListener("track",this._onaddstreampoly=function(t){t.streams.forEach((t=>{if(e._remoteStreams||(e._remoteStreams=[]),e._remoteStreams.indexOf(t)>=0)return;e._remoteStreams.push(t);const r=new Event("addstream");r.stream=t,e.dispatchEvent(r)}))}),t.apply(e,arguments)}}}function B(e){if("object"!=typeof e||!e.RTCPeerConnection)return;const t=e.RTCPeerConnection.prototype,r=t.createOffer,i=t.createAnswer,n=t.setLocalDescription,o=t.setRemoteDescription,s=t.addIceCandidate;t.createOffer=function(e,t){const i=arguments.length>=2?arguments[2]:arguments[0],n=r.apply(this,[i]);return t?(n.then(e,t),Promise.resolve()):n},t.createAnswer=function(e,t){const r=arguments.length>=2?arguments[2]:arguments[0],n=i.apply(this,[r]);return t?(n.then(e,t),Promise.resolve()):n};let a=function(e,t,r){const i=n.apply(this,[e]);return r?(i.then(t,r),Promise.resolve()):i};t.setLocalDescription=a,a=function(e,t,r){const i=o.apply(this,[e]);return r?(i.then(t,r),Promise.resolve()):i},t.setRemoteDescription=a,a=function(e,t,r){const i=s.apply(this,[e]);return r?(i.then(t,r),Promise.resolve()):i},t.addIceCandidate=a}function j(e){const t=e&&e.navigator;if(t.mediaDevices&&t.mediaDevices.getUserMedia){const e=t.mediaDevices,r=e.getUserMedia.bind(e);t.mediaDevices.getUserMedia=e=>r(G(e))}!t.getUserMedia&&t.mediaDevices&&t.mediaDevices.getUserMedia&&(t.getUserMedia=function(e,r,i){t.mediaDevices.getUserMedia(e).then(r,i)}.bind(t))}function G(e){return e&&void 0!==e.video?Object.assign({},e,{video:l(e.video)}):e}function W(e){if(!e.RTCPeerConnection)return;const t=e.RTCPeerConnection;e.RTCPeerConnection=function(e,r){if(e&&e.iceServers){const t=[];for(let r=0;r<e.iceServers.length;r++){let i=e.iceServers[r];!i.hasOwnProperty("urls")&&i.hasOwnProperty("url")?(d("RTCIceServer.url","RTCIceServer.urls"),i=JSON.parse(JSON.stringify(i)),i.urls=i.url,delete i.url,t.push(i)):t.push(e.iceServers[r])}e.iceServers=t}return new t(e,r)},e.RTCPeerConnection.prototype=t.prototype,"generateCertificate"in t&&Object.defineProperty(e.RTCPeerConnection,"generateCertificate",{get:()=>t.generateCertificate})}function H(e){"object"==typeof e&&e.RTCTrackEvent&&"receiver"in 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r={payloadType:parseInt(t.shift(),10)};return t=t[0].split("/"),r.name=t[0],r.clockRate=parseInt(t[1],10),r.channels=3===t.length?parseInt(t[2],10):1,r.numChannels=r.channels,r},t.writeRtpMap=function(e){let t=e.payloadType;void 0!==e.preferredPayloadType&&(t=e.preferredPayloadType);const r=e.channels||e.numChannels||1;return"a=rtpmap:"+t+" "+e.name+"/"+e.clockRate+(1!==r?"/"+r:"")+"\r\n"},t.parseExtmap=function(e){const t=e.substring(9).split(" ");return{id:parseInt(t[0],10),direction:t[0].indexOf("/")>0?t[0].split("/")[1]:"sendrecv",uri:t[1],attributes:t.slice(2).join(" ")}},t.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+(e.direction&&"sendrecv"!==e.direction?"/"+e.direction:"")+" "+e.uri+(e.attributes?" 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r={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},i=t.splitLines(e)[0].split(" ");r.profile=i[2];for(let n=3;n<i.length;n++){const o=i[n],s=t.matchPrefix(e,"a=rtpmap:"+o+" ")[0];if(s){const i=t.parseRtpMap(s),n=t.matchPrefix(e,"a=fmtp:"+o+" ");switch(i.parameters=n.length?t.parseFmtp(n[0]):{},i.rtcpFeedback=t.matchPrefix(e,"a=rtcp-fb:"+o+" ").map(t.parseRtcpFb),r.codecs.push(i),i.name.toUpperCase()){case"RED":case"ULPFEC":r.fecMechanisms.push(i.name.toUpperCase())}}}t.matchPrefix(e,"a=extmap:").forEach((e=>{r.headerExtensions.push(t.parseExtmap(e))}));const n=t.matchPrefix(e,"a=rtcp-fb:* ").map(t.parseRtcpFb);return r.codecs.forEach((e=>{n.forEach((t=>{e.rtcpFeedback.find((e=>e.type===t.type&&e.parameter===t.parameter))||e.rtcpFeedback.push(t)}))})),r},t.writeRtpDescription=function(e,r){let i="";i+="m="+e+" ",i+=r.codecs.length>0?"9":"0",i+=" "+(r.profile||"UDP/TLS/RTP/SAVPF")+" ",i+=r.codecs.map((e=>void 0!==e.preferredPayloadType?e.preferredPayloadType:e.payloadType)).join(" ")+"\r\n",i+="c=IN IP4 0.0.0.0\r\n",i+="a=rtcp:9 IN IP4 0.0.0.0\r\n",r.codecs.forEach((e=>{i+=t.writeRtpMap(e),i+=t.writeFmtp(e),i+=t.writeRtcpFb(e)}));let n=0;return r.codecs.forEach((e=>{e.maxptime>n&&(n=e.maxptime)})),n>0&&(i+="a=maxptime:"+n+"\r\n"),r.headerExtensions&&r.headerExtensions.forEach((e=>{i+=t.writeExtmap(e)})),i},t.parseRtpEncodingParameters=function(e){const r=[],i=t.parseRtpParameters(e),n=-1!==i.fecMechanisms.indexOf("RED"),o=-1!==i.fecMechanisms.indexOf("ULPFEC"),s=t.matchPrefix(e,"a=ssrc:").map((e=>t.parseSsrcMedia(e))).filter((e=>"cname"===e.attribute)),a=s.length>0&&s[0].ssrc;let c;const d=t.matchPrefix(e,"a=ssrc-group:FID").map((e=>e.substring(17).split(" ").map((e=>parseInt(e,10)))));d.length>0&&d[0].length>1&&d[0][0]===a&&(c=d[0][1]),i.codecs.forEach((e=>{if("RTX"===e.name.toUpperCase()&&e.parameters.apt){let t={ssrc:a,codecPayloadType:parseInt(e.parameters.apt,10)};a&&c&&(t.rtx={ssrc:c}),r.push(t),n&&(t=JSON.parse(JSON.stringify(t)),t.fec={ssrc:a,mechanism:o?"red+ulpfec":"red"},r.push(t))}})),0===r.length&&a&&r.push({ssrc:a});let u=t.matchPrefix(e,"b=");return u.length&&(u=0===u[0].indexOf("b=TIAS:")?parseInt(u[0].substring(7),10):0===u[0].indexOf("b=AS:")?1e3*parseInt(u[0].substring(5),10)*.95-16e3:void 0,r.forEach((e=>{e.maxBitrate=u}))),r},t.parseRtcpParameters=function(e){const r={},i=t.matchPrefix(e,"a=ssrc:").map((e=>t.parseSsrcMedia(e))).filter((e=>"cname"===e.attribute))[0];i&&(r.cname=i.value,r.ssrc=i.ssrc);const n=t.matchPrefix(e,"a=rtcp-rsize");r.reducedSize=n.length>0,r.compound=0===n.length;const o=t.matchPrefix(e,"a=rtcp-mux");return r.mux=o.length>0,r},t.writeRtcpParameters=function(e){let t="";return e.reducedSize&&(t+="a=rtcp-rsize\r\n"),e.mux&&(t+="a=rtcp-mux\r\n"),void 0!==e.ssrc&&e.cname&&(t+="a=ssrc:"+e.ssrc+" cname:"+e.cname+"\r\n"),t},t.parseMsid=function(e){let r;const i=t.matchPrefix(e,"a=msid:");if(1===i.length)return r=i[0].substring(7).split(" "),{stream:r[0],track:r[1]};const n=t.matchPrefix(e,"a=ssrc:").map((e=>t.parseSsrcMedia(e))).filter((e=>"msid"===e.attribute));return n.length>0?(r=n[0].value.split(" "),{stream:r[0],track:r[1]}):void 0},t.parseSctpDescription=function(e){const r=t.parseMLine(e),i=t.matchPrefix(e,"a=max-message-size:");let n;i.length>0&&(n=parseInt(i[0].substring(19),10)),isNaN(n)&&(n=65536);const o=t.matchPrefix(e,"a=sctp-port:");if(o.length>0)return{port:parseInt(o[0].substring(12),10),protocol:r.fmt,maxMessageSize:n};const s=t.matchPrefix(e,"a=sctpmap:");if(s.length>0){const e=s[0].substring(10).split(" ");return{port:parseInt(e[0],10),protocol:e[1],maxMessageSize:n}}},t.writeSctpDescription=function(e,t){let r=[];return r="DTLS/SCTP"!==e.protocol?["m="+e.kind+" 9 "+e.protocol+" "+t.protocol+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctp-port:"+t.port+"\r\n"]:["m="+e.kind+" 9 "+e.protocol+" "+t.port+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctpmap:"+t.port+" "+t.protocol+" 65535\r\n"],void 0!==t.maxMessageSize&&r.push("a=max-message-size:"+t.maxMessageSize+"\r\n"),r.join("")},t.generateSessionId=function(){return Math.random().toString().substr(2,22)},t.writeSessionBoilerplate=function(e,r,i){let n;const o=void 0!==r?r:2;n=e||t.generateSessionId();return"v=0\r\no="+(i||"thisisadapterortc")+" "+n+" "+o+" IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},t.getDirection=function(e,r){const i=t.splitLines(e);for(let e=0;e<i.length;e++)switch(i[e]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return i[e].substring(2)}return r?t.getDirection(r):"sendrecv"},t.getKind=function(e){return t.splitLines(e)[0].split(" ")[0].substring(2)},t.isRejected=function(e){return"0"===e.split(" ",2)[1]},t.parseMLine=function(e){const r=t.splitLines(e)[0].substring(2).split(" ");return{kind:r[0],port:parseInt(r[1],10),protocol:r[2],fmt:r.slice(3).join(" ")}},t.parseOLine=function(e){const r=t.matchPrefix(e,"o=")[0].substring(2).split(" ");return{username:r[0],sessionId:r[1],sessionVersion:parseInt(r[2],10),netType:r[3],addressType:r[4],address:r[5]}},t.isValidSDP=function(e){if("string"!=typeof e||0===e.length)return!1;const r=t.splitLines(e);for(let e=0;e<r.length;e++)if(r[e].length<2||"="!==r[e].charAt(1))return!1;return!0},e.exports=t}(J);var Q=J.exports,q=Z(Q),$=t({__proto__:null,default:q},[Q]);function ee(e){if(!e.RTCIceCandidate||e.RTCIceCandidate&&"foundation"in e.RTCIceCandidate.prototype)return;const t=e.RTCIceCandidate;e.RTCIceCandidate=function(e){if("object"==typeof e&&e.candidate&&0===e.candidate.indexOf("a=")&&((e=JSON.parse(JSON.stringify(e))).candidate=e.candidate.substr(2)),e.candidate&&e.candidate.length){const r=new t(e),i=q.parseCandidate(e.candidate),n=Object.assign(r,i);return n.toJSON=function(){return{candidate:n.candidate,sdpMid:n.sdpMid,sdpMLineIndex:n.sdpMLineIndex,usernameFragment:n.usernameFragment}},n}return new t(e)},e.RTCIceCandidate.prototype=t.prototype,o(e,"icecandidate",(t=>(t.candidate&&Object.defineProperty(t,"candidate",{value:new e.RTCIceCandidate(t.candidate),writable:"false"}),t)))}function te(e){!e.RTCIceCandidate||e.RTCIceCandidate&&"relayProtocol"in e.RTCIceCandidate.prototype||o(e,"icecandidate",(e=>{if(e.candidate){const t=q.parseCandidate(e.candidate.candidate);"relay"===t.type&&(e.candidate.relayProtocol={0:"tls",1:"tcp",2:"udp"}[t.priority>>24])}return e}))}function re(e,t){if(!e.RTCPeerConnection)return;"sctp"in e.RTCPeerConnection.prototype||Object.defineProperty(e.RTCPeerConnection.prototype,"sctp",{get(){return void 0===this._sctp?null:this._sctp}});const r=function(e){if(!e||!e.sdp)return!1;const t=q.splitSections(e.sdp);return t.shift(),t.some((e=>{const t=q.parseMLine(e);return t&&"application"===t.kind&&-1!==t.protocol.indexOf("SCTP")}))},i=function(e){const t=e.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);if(null===t||t.length<2)return-1;const r=parseInt(t[1],10);return r!=r?-1:r},n=function(e){let r=65536;return"firefox"===t.browser&&(r=t.version<57?-1===e?16384:2147483637:t.version<60?57===t.version?65535:65536:2147483637),r},o=function(e,r){let i=65536;"firefox"===t.browser&&57===t.version&&(i=65535);const n=q.matchPrefix(e.sdp,"a=max-message-size:");return n.length>0?i=parseInt(n[0].substr(19),10):"firefox"===t.browser&&-1!==r&&(i=2147483637),i},s=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){if(this._sctp=null,"chrome"===t.browser&&t.version>=76){const{sdpSemantics:e}=this.getConfiguration();"plan-b"===e&&Object.defineProperty(this,"sctp",{get(){return void 0===this._sctp?null:this._sctp},enumerable:!0,configurable:!0})}if(r(arguments[0])){const e=i(arguments[0]),t=n(e),r=o(arguments[0],e);let s;s=0===t&&0===r?Number.POSITIVE_INFINITY:0===t||0===r?Math.max(t,r):Math.min(t,r);const a={};Object.defineProperty(a,"maxMessageSize",{get:()=>s}),this._sctp=a}return s.apply(this,arguments)}}function ie(e){if(!e.RTCPeerConnection||!("createDataChannel"in e.RTCPeerConnection.prototype))return;function t(e,t){const r=e.send;e.send=function(){const i=arguments[0],n=i.length||i.size||i.byteLength;if("open"===e.readyState&&t.sctp&&n>t.sctp.maxMessageSize)throw new TypeError("Message too large (can send a maximum of "+t.sctp.maxMessageSize+" bytes)");return r.apply(e,arguments)}}const r=e.RTCPeerConnection.prototype.createDataChannel;e.RTCPeerConnection.prototype.createDataChannel=function(){const e=r.apply(this,arguments);return t(e,this),e},o(e,"datachannel",(e=>(t(e.channel,e.target),e)))}function ne(e){if(!e.RTCPeerConnection||"connectionState"in e.RTCPeerConnection.prototype)return;const t=e.RTCPeerConnection.prototype;Object.defineProperty(t,"connectionState",{get(){return{completed:"connected",checking:"connecting"}[this.iceConnectionState]||this.iceConnectionState},enumerable:!0,configurable:!0}),Object.defineProperty(t,"onconnectionstatechange",{get(){return this._onconnectionstatechange||null},set(e){this._onconnectionstatechange&&(this.removeEventListener("connectionstatechange",this._onconnectionstatechange),delete this._onconnectionstatechange),e&&this.addEventListener("connectionstatechange",this._onconnectionstatechange=e)},enumerable:!0,configurable:!0}),["setLocalDescription","setRemoteDescription"].forEach((e=>{const r=t[e];t[e]=function(){return this._connectionstatechangepoly||(this._connectionstatechangepoly=e=>{const t=e.target;if(t._lastConnectionState!==t.connectionState){t._lastConnectionState=t.connectionState;const r=new Event("connectionstatechange",e);t.dispatchEvent(r)}return e},this.addEventListener("iceconnectionstatechange",this._connectionstatechangepoly)),r.apply(this,arguments)}}))}function oe(e,t){if(!e.RTCPeerConnection)return;if("chrome"===t.browser&&t.version>=71)return;if("safari"===t.browser&&t.version>=605)return;const r=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(t){if(t&&t.sdp&&-1!==t.sdp.indexOf("\na=extmap-allow-mixed")){const r=t.sdp.split("\n").filter((e=>"a=extmap-allow-mixed"!==e.trim())).join("\n");e.RTCSessionDescription&&t instanceof e.RTCSessionDescription?arguments[0]=new e.RTCSessionDescription({type:t.type,sdp:r}):t.sdp=r}return r.apply(this,arguments)}}function se(e,t){if(!e.RTCPeerConnection||!e.RTCPeerConnection.prototype)return;const r=e.RTCPeerConnection.prototype.addIceCandidate;r&&0!==r.length&&(e.RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?("chrome"===t.browser&&t.version<78||"firefox"===t.browser&&t.version<68||"safari"===t.browser)&&arguments[0]&&""===arguments[0].candidate?Promise.resolve():r.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())})}function ae(e,t){if(!e.RTCPeerConnection||!e.RTCPeerConnection.prototype)return;const r=e.RTCPeerConnection.prototype.setLocalDescription;r&&0!==r.length&&(e.RTCPeerConnection.prototype.setLocalDescription=function(){let e=arguments[0]||{};if("object"!=typeof e||e.type&&e.sdp)return r.apply(this,arguments);if(e={type:e.type,sdp:e.sdp},!e.type)switch(this.signalingState){case"stable":case"have-local-offer":case"have-remote-pranswer":e.type="offer";break;default:e.type="answer"}if(e.sdp||"offer"!==e.type&&"answer"!==e.type)return r.apply(this,[e]);return("offer"===e.type?this.createOffer:this.createAnswer).apply(this).then((e=>r.apply(this,[e])))})}var ce=Object.freeze({__proto__:null,removeExtmapAllowMixed:oe,shimAddIceCandidateNullOrEmpty:se,shimConnectionState:ne,shimMaxMessageSize:re,shimParameterlessSetLocalDescription:ae,shimRTCIceCandidate:ee,shimRTCIceCandidateRelayProtocol:te,shimSendThrowTypeError:ie});!function({window:e}={},t={shimChrome:!0,shimFirefox:!0,shimSafari:!0}){const r=c,i=function(e){const t={browser:null,version:null};if(void 0===e||!e.navigator)return t.browser="Not a browser.",t;const{navigator:r}=e;if(r.mozGetUserMedia)t.browser="firefox",t.version=n(r.userAgent,/Firefox\/(\d+)\./,1);else if(r.webkitGetUserMedia||!1===e.isSecureContext&&e.webkitRTCPeerConnection)t.browser="chrome",t.version=n(r.userAgent,/Chrom(e|ium)\/(\d+)\./,2);else{if(!e.RTCPeerConnection||!r.userAgent.match(/AppleWebKit\/(\d+)\./))return t.browser="Not a supported browser.",t;t.browser="safari",t.version=n(r.userAgent,/AppleWebKit\/(\d+)\./,1),t.supportsUnifiedPlan=e.RTCRtpTransceiver&&"currentDirection"in e.RTCRtpTransceiver.prototype}return t}(e),o={browserDetails:i,commonShim:ce,extractVersion:n,disableLog:s,disableWarnings:a,sdp:$};switch(i.browser){case"chrome":if(!b||!v||!t.shimChrome)return r("Chrome shim is not included in this adapter release.")