@tomoxv/gstwebrtc-api/dist/gstwebrtc-api-2.0.0.min.js

Javascript API to integrate GStreamer WebRTC streams (webrtcsrc/webrtcsink) in a web browser

/*! gstwebrtc-api (https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/tree/main/net/webrtc/gstwebrtc-api), MPL-2.0 License, Copyright (C) 2022 Igalia S.L. <info@igalia.com>, Author: Loïc Le Page <llepage@igalia.com> */
/*! Contains embedded adapter from webrtc-adapter (https://github.com/webrtcHacks/adapter), BSD 3-Clause License, Copyright (c) 2014, The WebRTC project authors. All rights reserved. Copyright (c) 2018, The adapter.js project authors. All rights reserved. */

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n.video={mandatory:{chromeMediaSource:"desktop",chromeMediaSourceId:t,maxFrameRate:o||3}},r&&(n.video.mandatory.maxWidth=r),i&&(n.video.mandatory.maxHeight=i),e.navigator.mediaDevices.getUserMedia(n)}))}:console.error("shimGetDisplayMedia: getSourceId argument is not a function"))}function v(e){e.MediaStream=e.MediaStream||e.webkitMediaStream}function b(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",(n=>{let r;r=e.RTCPeerConnection.prototype.getReceivers?this.getReceivers().find((e=>e.track&&e.track.id===n.track.id)):{track:n.track};const i=new Event("track");i.track=n.track,i.receiver=r,i.transceiver={receiver:r},i.streams=[t.stream],this.dispatchEvent(i)})),t.stream.getTracks().forEach((n=>{let r;r=e.RTCPeerConnection.prototype.getReceivers?this.getReceivers().find((e=>e.track&&e.track.id===n.id)):{track:n};const i=new Event("track");i.track=n,i.receiver=r,i.transceiver={receiver:r},i.streams=[t.stream],this.dispatchEvent(i)}))},this.addEventListener("addstream",this._ontrackpoly)),t.apply(this,arguments)}}else c(e,"track",(e=>(e.transceiver||Object.defineProperty(e,"transceiver",{value:{receiver:e.receiver}}),e)))}function S(e){if("object"==typeof e&&e.RTCPeerConnection&&!("getSenders"in e.RTCPeerConnection.prototype)&&"createDTMFSender"in e.RTCPeerConnection.prototype){const t=function(e,t){return{track:t,get dtmf(){return void 0===this._dtmf&&("audio"===t.kind?this._dtmf=e.createDTMFSender(t):this._dtmf=null),this._dtmf},_pc:e}};if(!e.RTCPeerConnection.prototype.getSenders){e.RTCPeerConnection.prototype.getSenders=function(){return this._senders=this._senders||[],this._senders.slice()};const n=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,r){let i=n.apply(this,arguments);return i||(i=t(this,e),this._senders.push(i)),i};const r=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){r.apply(this,arguments);const t=this._senders.indexOf(e);-1!==t&&this._senders.splice(t,1)}}const n=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._senders=this._senders||[],n.apply(this,[e]),e.getTracks().forEach((e=>{this._senders.push(t(this,e))}))};const r=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){this._senders=this._senders||[],r.apply(this,[e]),e.getTracks().forEach((e=>{const t=this._senders.find((t=>t.track===e));t&&this._senders.splice(this._senders.indexOf(t),1)}))}}else if("object"==typeof e&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){const t=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){const e=t.apply(this,[]);return e.forEach((e=>e._pc=this)),e},Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=this._pc.createDTMFSender(this.track):this._dtmf=null),this._dtmf}})}}function k(e){if(!e.RTCPeerConnection)return;const t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){const[e,n,r]=arguments;if(arguments.length>0&&"function"==typeof e)return t.apply(this,arguments);if(0===t.length&&(0===arguments.length||"function"!=typeof e))return t.apply(this,[]);const i=function(e){const t={};return e.result().forEach((e=>{const n={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach((t=>{n[t]=e.stat(t)})),t[n.id]=n})),t},o=function(e){return new Map(Object.keys(e).map((t=>[t,e[t]])))};if(arguments.length>=2){const r=function(e){n(o(i(e)))};return t.apply(this,[r,e])}return new Promise(((e,n)=>{t.apply(this,[function(t){e(o(i(t)))},n])})).then(n,r)}}function T(e){if(!("object"==typeof e&&e.RTCPeerConnection&&e.RTCRtpSender&&e.RTCRtpReceiver))return;if(!("getStats"in e.RTCRtpSender.prototype)){const t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){const e=t.apply(this,[]);return e.forEach((e=>e._pc=this)),e});const n=e.RTCPeerConnection.prototype.addTrack;n&&(e.RTCPeerConnection.prototype.addTrack=function(){const e=n.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){const e=this;return this._pc.getStats().then((t=>f(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}),c(e,"track",(e=>(e.receiver._pc=e.srcElement,e))),e.RTCRtpReceiver.prototype.getStats=function(){const e=this;return this._pc.getStats().then((t=>f(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,n,r;return this.getSenders().forEach((n=>{n.track===e&&(t?r=!0:t=n)})),this.getReceivers().forEach((t=>(t.track===e&&(n?r=!0:n=t),t.track===e))),r||t&&n?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):t?t.getStats():n?n.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return t.apply(this,arguments)}}function E(e){e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map((e=>this._shimmedLocalStreams[e][0]))};const t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,n){if(!n)return t.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};const r=t.apply(this,arguments);return this._shimmedLocalStreams[n.id]?-1===this._shimmedLocalStreams[n.id].indexOf(r)&&this._shimmedLocalStreams[n.id].push(r):this._shimmedLocalStreams[n.id]=[n,r],r};const n=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._shimmedLocalStreams=this._shimmedLocalStreams||{},e.getTracks().forEach((e=>{if(this.getSenders().find((t=>t.track===e)))throw new DOMException("Track already exists.","InvalidAccessError")}));const t=this.getSenders();n.apply(this,arguments);const r=this.getSenders().filter((e=>-1===t.indexOf(e)));this._shimmedLocalStreams[e.id]=[e].concat(r)};const r=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[e.id],r.apply(this,arguments)};const i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},e&&Object.keys(this._shimmedLocalStreams).forEach((t=>{const n=this._shimmedLocalStreams[t].indexOf(e);-1!==n&&this._shimmedLocalStreams[t].splice(n,1),1===this._shimmedLocalStreams[t].length&&delete this._shimmedLocalStreams[t]})),i.apply(this,arguments)}}function P(e,t){if(!e.RTCPeerConnection)return;if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return E(e);const n=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){const e=n.apply(this);return this._reverseStreams=this._reverseStreams||{},e.map((e=>this._reverseStreams[e.id]))};const r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){if(this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},t.getTracks().forEach((e=>{if(this.getSenders().find((t=>t.track===e)))throw new DOMException("Track already exists.","InvalidAccessError")})),!this._reverseStreams[t.id]){const n=new e.MediaStream(t.getTracks());this._streams[t.id]=n,this._reverseStreams[n.id]=t,t=n}r.apply(this,[t])};const i=e.RTCPeerConnection.prototype.removeStream;function o(e,t){let n=t.sdp;return Object.keys(e._reverseStreams||[]).forEach((t=>{const r=e._reverseStreams[t],i=e._streams[r.id];n=n.replace(new RegExp(i.id,"g"),r.id)})),new RTCSessionDescription({type:t.type,sdp:n})}e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},i.apply(this,[this._streams[e.id]||e]),delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id],delete this._streams[e.id]},e.RTCPeerConnection.prototype.addTrack=function(t,n){if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");const r=[].slice.call(arguments,1);if(1!==r.length||!r[0].getTracks().find((e=>e===t)))throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError");if(this.getSenders().find((e=>e.track===t)))throw new DOMException("Track already exists.","InvalidAccessError");this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{};const i=this._streams[n.id];if(i)i.addTrack(t),Promise.resolve().then((()=>{this.dispatchEvent(new Event("negotiationneeded"))}));else{const r=new e.MediaStream([t]);this._streams[n.id]=r,this._reverseStreams[r.id]=n,this.addStream(r)}return this.getSenders().find((e=>e.track===t))},["createOffer","createAnswer"].forEach((function(t){const n=e.RTCPeerConnection.prototype[t],r={[t](){const e=arguments;return arguments.length&&"function"==typeof arguments[0]?n.apply(this,[t=>{const n=o(this,t);e[0].apply(null,[n])},t=>{e[1]&&e[1].apply(null,t)},arguments[2]]):n.apply(this,arguments).then((e=>o(this,e)))}};e.RTCPeerConnection.prototype[t]=r[t]}));const s=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){return arguments.length&&arguments[0].type?(arguments[0]=function(e,t){let n=t.sdp;return Object.keys(e._reverseStreams||[]).forEach((t=>{const r=e._reverseStreams[t],i=e._streams[r.id];n=n.replace(new RegExp(r.id,"g"),i.id)})),new RTCSessionDescription({type:t.type,sdp:n})}(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((n=>{this._streams[n].getTracks().find((t=>e.track===t))&&(t=this._streams[n])})),t&&(1===t.getTracks().length?this.removeStream(this._reverseStreams[t.id]):t.removeTrack(e.track),this.dispatchEvent(new Event("negotiationneeded")))}}function R(e,t){!e.RTCPeerConnection&&e.webkitRTCPeerConnection&&(e.RTCPeerConnection=e.webkitRTCPeerConnection),e.RTCPeerConnection&&t.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach((function(t){const n=e.RTCPeerConnection.prototype[t],r={[t](){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),n.apply(this,arguments)}};e.RTCPeerConnection.prototype[t]=r[t]}))}function w(e,t){c(e,"negotiationneeded",(e=>{const n=e.target;if(!(t.version<72||n.getConfiguration&&"plan-b"===n.getConfiguration().sdpSemantics)||"stable"===n.signalingState)return e}))}function A(e,t){const n=e&&e.navigator,r=e&&e.MediaStreamTrack;if(n.getUserMedia=function(e,t,r){p("navigator.getUserMedia","navigator.mediaDevices.getUserMedia"),n.mediaDevices.getUserMedia(e).then(t,r)},!(t.version>55&&"autoGainControl"in n.mediaDevices.getSupportedConstraints())){const e=function(e,t,n){t in e&&!(n in e)&&(e[n]=e[t],delete e[t])},t=n.mediaDevices.getUserMedia.bind(n.mediaDevices);if(n.mediaDevices.getUserMedia=function(n){return"object"==typeof n&&"object"==typeof n.audio&&(n=JSON.parse(JSON.stringify(n)),e(n.audio,"autoGainControl","mozAutoGainControl"),e(n.audio,"noiseSuppression","mozNoiseSuppression")),t(n)},r&&r.prototype.getSettings){const t=r.prototype.getSettings;r.prototype.getSettings=function(){const n=t.apply(this,arguments);return e(n,"mozAutoGainControl","autoGainControl"),e(n,"mozNoiseSuppression","noiseSuppression"),n}}if(r&&r.prototype.applyConstraints){const t=r.prototype.applyConstraints;r.prototype.applyConstraints=function(n){return"audio"===this.kind&&"object"==typeof n&&(n=JSON.parse(JSON.stringify(n)),e(n,"autoGainControl","mozAutoGainControl"),e(n,"noiseSuppression","mozNoiseSuppression")),t.apply(this,[n])}}}}function x(e,t){e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices||e.navigator.mediaDevices&&(e.navigator.mediaDevices.getDisplayMedia=function(n){if(!n||!n.video){const e=new DOMException("getDisplayMedia without video constraints is undefined");return e.name="NotFoundError",e.code=8,Promise.reject(e)}return!0===n.video?n.video={mediaSource:t}:n.video.mediaSource=t,e.navigator.mediaDevices.getUserMedia(n)})}function I(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 O(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 n=e.RTCPeerConnection.prototype[t],r={[t](){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),n.apply(this,arguments)}};e.RTCPeerConnection.prototype[t]=r[t]}));const n={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"},r=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){const[e,i,o]=arguments;return r.apply(this,[e||null]).then((e=>{if(t.version<53&&!i)try{e.forEach((e=>{e.type=n[e.type]||e.type}))}catch(t){if("TypeError"!==t.name)throw t;e.forEach(((t,r)=>{e.set(r,Object.assign({},t,{type:n[t.type]||t.type}))}))}return e})).then(i,o)}}function M(e){if("object"!=typeof e||!e.RTCPeerConnection||!e.RTCRtpSender)return;if(e.RTCRtpSender&&"getStats"in e.RTCRtpSender.prototype)return;const t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){const e=t.apply(this,[]);return e.forEach((e=>e._pc=this)),e});const n=e.RTCPeerConnection.prototype.addTrack;n&&(e.RTCPeerConnection.prototype.addTrack=function(){const e=n.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map)}}function D(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}),c(e,"track",(e=>(e.receiver._pc=e.srcElement,e))),e.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track)}}function L(e){e.RTCPeerConnection&&!("removeStream"in e.RTCPeerConnection.prototype)&&(e.RTCPeerConnection.prototype.removeStream=function(e){p("removeStream","removeTrack"),this.getSenders().forEach((t=>{t.track&&e.getTracks().includes(t.track)&&this.removeTrack(t)}))})}function G(e){e.DataChannel&&!e.RTCDataChannel&&(e.RTCDataChannel=e.DataChannel)}function H(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 n=e.length>0;n&&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 r=t.apply(this,arguments);if(n){const{sender:t}=r,n=t.getParameters();(!("encodings"in n)||1===n.encodings.length&&0===Object.keys(n.encodings[0]).length)&&(n.encodings=e,t.sendEncodings=e,this.setParametersPromises.push(t.setParameters(n).then((()=>{delete t.sendEncodings})).catch((()=>{delete t.sendEncodings}))))}return r})}function j(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 N(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)}}function F(e){if("object"==typeof e&&e.RTCPeerConnection){if("getLocalStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._localStreams||(this._localStreams=[]),this._localStreams}),!("addStream"in e.RTCPeerConnection.prototype)){const t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addStream=function(e){this._localStreams||(this._localStreams=[]),this._localStreams.includes(e)||this._localStreams.push(e),e.getAudioTracks().forEach((n=>t.call(this,n,e))),e.getVideoTracks().forEach((n=>t.call(this,n,e)))},e.RTCPeerConnection.prototype.addTrack=function(e,...n){return n&&n.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 n=e.getTracks();this.getSenders().forEach((e=>{n.includes(e.track)&&this.removeTrack(e)}))})}}function z(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 n=new Event("addstream");n.stream=t,e.dispatchEvent(n)}))}),t.apply(e,arguments)}}}function J(e){if("object"!=typeof e||!e.RTCPeerConnection)return;const t=e.RTCPeerConnection.prototype,n=t.createOffer,r=t.createAnswer,i=t.setLocalDescription,o=t.setRemoteDescription,s=t.addIceCandidate;t.createOffer=function(e,t){const r=arguments.length>=2?arguments[2]:arguments[0],i=n.apply(this,[r]);return t?(i.then(e,t),Promise.resolve()):i},t.createAnswer=function(e,t){const n=arguments.length>=2?arguments[2]:arguments[0],i=r.apply(this,[n]);return t?(i.then(e,t),Promise.resolve()):i};let a=function(e,t,n){const r=i.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r};t.setLocalDescription=a,a=function(e,t,n){const r=o.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r},t.setRemoteDescription=a,a=function(e,t,n){const r=s.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r},t.addIceCandidate=a}function K(e){const t=e&&e.navigator;if(t.mediaDevices&&t.mediaDevices.getUserMedia){const e=t.mediaDevices,n=e.getUserMedia.bind(e);t.mediaDevices.getUserMedia=e=>n(W(e))}!t.getUserMedia&&t.mediaDevices&&t.mediaDevices.getUserMedia&&(t.getUserMedia=function(e,n,r){t.mediaDevices.getUserMedia(e).then(n,r)}.bind(t))}function W(e){return e&&void 0!==e.video?Object.assign({},e,{video:m(e.video)}):e}function Y(e){if(!e.RTCPeerConnection)return;const t=e.RTCPeerConnection;e.RTCPeerConnection=function(e,n){if(e&&e.iceServers){const t=[];for(let n=0;n<e.iceServers.length;n++){let r=e.iceServers[n];void 0===r.urls&&r.url?(p("RTCIceServer.url","RTCIceServer.urls"),r=JSON.parse(JSON.stringify(r)),r.urls=r.url,delete r.url,t.push(r)):t.push(e.iceServers[n])}e.iceServers=t}return new t(e,n)},e.RTCPeerConnection.prototype=t.prototype,"generateCertificate"in t&&Object.defineProperty(e.RTCPeerConnection,"generateCertificate",{get:()=>t.generateCertificate})}function q(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 V(e){const t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(e){if(e){void 0!==e.offerToReceiveAudio&&(e.offerToReceiveAudio=!!e.offerToReceiveAudio);const t=this.getTransceivers().find((e=>"audio"===e.receiver.track.kind));!1===e.offerToReceiveAudio&&t?"sendrecv"===t.direction?t.setDirection?t.setDirection("sendonly"):t.direction="sendonly":"recvonly"===t.direction&&(t.setDirection?t.setDirection("inactive"):t.direction="inactive"):!0!==e.offerToReceiveAudio||t||this.addTransceiver("audio",{direction:"recvonly"}),void 0!==e.offerToReceiveVideo&&(e.offerToReceiveVideo=!!e.offerToReceiveVideo);const n=this.getTransceivers().find((e=>"video"===e.receiver.track.kind));!1===e.offerToReceiveVideo&&n?"sendrecv"===n.direction?n.setDirection?n.setDirection("sendonly"):n.direction="sendonly":"recvonly"===n.direction&&(n.setDirection?n.setDirection("inactive"):n.direction="inactive"):!0!==e.offerToReceiveVideo||n||this.addTransceiver("video",{direction:"recvonly"})}return t.apply(this,arguments)}}function B(e){"object"!=typeof e||e.AudioContext||(e.AudioContext=e.webkitAudioContext)}var Z=n(539),X=n.n(Z);function $(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.substring(2)),e.candidate&&e.candidate.length){const n=new t(e),r=X().parseCandidate(e.candidate);for(const e in r)e in n||Object.defineProperty(n,e,{value:r[e]});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,c(e,"icecandidate",(t=>(t.candidate&&Object.defineProperty(t,"candidate",{value:new e.RTCIceCandidate(t.candidate),writable:"false"}),t)))}function Q(e){!e.RTCIceCandidate||e.RTCIceCandidate&&"relayProtocol"in e.RTCIceCandidate.prototype||c(e,"icecandidate",(e=>{if(e.candidate){const t=X().parseCandidate(e.candidate.candidate);"relay"===t.type&&(e.candidate.relayProtocol={0:"tls",1:"tcp",2:"udp"}[t.priority>>24])}return e}))}function ee(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 n=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(function(e){if(!e||!e.sdp)return!1;const t=X().splitSections(e.sdp);return t.shift(),t.some((e=>{const t=X().parseMLine(e);return t&&"application"===t.kind&&-1!==t.protocol.indexOf("SCTP")}))}(arguments[0])){const e=function(e){const t=e.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);if(null===t||t.length<2)return-1;const n=parseInt(t[1],10);return n!=n?-1:n}(arguments[0]),n=function(e){let n=65536;return"firefox"===t.browser&&(n=t.version<57?-1===e?16384:2147483637:t.version<60?57===t.version?65535:65536:2147483637),n}(e),r=function(e,n){let r=65536;"firefox"===t.browser&&57===t.version&&(r=65535);const i=X().matchPrefix(e.sdp,"a=max-message-size:");return i.length>0?r=parseInt(i[0].substring(19),10):"firefox"===t.browser&&-1!==n&&(r=2147483637),r}(arguments[0],e);let i;i=0===n&&0===r?Number.POSITIVE_INFINITY:0===n||0===r?Math.max(n,r):Math.min(n,r);const o={};Object.defineProperty(o,"maxMessageSize",{get:()=>i}),this._sctp=o}return n.apply(this,arguments)}}function te(e){if(!e.RTCPeerConnection||!("createDataChannel"in e.RTCPeerConnection.prototype))return;function t(e,t){const n=e.send;e.send=function(){const r=arguments[0],i=r.length||r.size||r.byteLength;if("open"===e.readyState&&t.sctp&&i>t.sctp.maxMessageSize)throw new TypeError("Message too large (can send a maximum of "+t.sctp.maxMessageSize+" bytes)");return n.apply(e,arguments)}}const n=e.RTCPeerConnection.prototype.createDataChannel;e.RTCPeerConnection.prototype.createDataChannel=function(){const e=n.apply(this,arguments);return t(e,this),e},c(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 n=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 n=new Event("connectionstatechange",e);t.dispatchEvent(n)}return e},this.addEventListener("iceconnectionstatechange",this._connectionstatechangepoly)),n.apply(this,arguments)}}))}function re(e,t){if(!e.RTCPeerConnection)return;if("chrome"===t.browser&&t.version>=71)return;if("safari"===t.browser&&t.version>=605)return;const n=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(t){if(t&&t.sdp&&-1!==t.sdp.indexOf("\na=extmap-allow-mixed")){const n=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:n}):t.sdp=n}return n.apply(this,arguments)}}function ie(e,t){if(!e.RTCPeerConnection||!e.RTCPeerConnection.prototype)return;const n=e.RTCPeerConnection.prototype.addIceCandidate;n&&(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():n.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())})}function oe(e,t){if(!e.RTCPeerConnection||!e.RTCPeerConnection.prototype)return;const n=e.RTCPeerConnection.prototype.setLocalDescription;n&&0!==n.length&&(e.RTCPeerConnection.prototype.setLocalDescription=function(){let e=arguments[0]||{};if("object"!=typeof e||e.type&&e.sdp)return n.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 n.apply(this,[e]);return("offer"===e.type?this.createOffer:this.createAnswer).apply(this).then((e=>n.apply(this,[e])))})}!function({window:n}={},o={shimChrome:!0,shimFirefox:!0,shimSafari:!0}){const s=h,c=function(e){const t={browser:null,version:null};if(void 0===e||!e.navigator||!e.navigator.userAgent)return t.browser="Not a browser.",t;const{navigator:n}=e;if(n.mozGetUserMedia)t.browser="firefox",t.version=a(n.userAgent,/Firefox\/(\d+)\./,1);else if(n.webkitGetUserMedia||!1===e.isSecureContext&&e.webkitRTCPeerConnection)t.browser="chrome",t.version=a(n.userAgent,/Chrom(e|ium)\/(\d+)\./,2);else{if(!e.RTCPeerConnection||!n.userAgent.match(/AppleWebKit\/(\d+)\./))return t.browser="Not a supported browser.",t;t.browser="safari",t.version=a(n.userAgent,/AppleWebKit\/(\d+)\./,1),t.supportsUnifiedPlan=e.RTCRtpTransceiver&&"currentDirection"in e.RTCRtp