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twilio-video

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Twilio Video JavaScript Library

twilio.com

twilio/twilio-video.js

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/*! twilio-video.js 2.35.0 The following license applies to all parts of this software except as documented below. Copyright (C) 2019-2026 Twilio, inc. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name of Twilio nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. 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h(e,t,n){return e["local"===n?"getSenders":"getReceivers"]().map(({track:e})=>e).filter(e=>e&&e.kind===t)}function p(e,t,n){const i=n.log;return c&&c<67?new Promise((n,i)=>{e.getStats(e=>{n([f(e,t)])},null,i)}):e.getStats(t).then(e=>(i.info("getStats by track successful"),m(e,n))).catch(()=>(i.warn("getStats by track failed. Getting default stats"),e.getStats().then(r=>{i.info("getStats by default successful");const s=function(e,t){if(!e||!t)return!1;if(e.getReceivers){const n=e.getReceivers();for(const e of n)if(e.track&&e.track.id===t.id)return!0}if(e.getRemoteStreams){const n=e.getRemoteStreams();for(const e of n){const n=e.getTracks();for(const e of n)if(e.id===t.id)return!0}}return!1}(e,t);i.info(`Starting filtering stats for ${s?"remote":"local"} track`);const o=function(e,t,n=!1){let i;if(Array.isArray(e))i=new Map(e.map(e=>[e.id||String(Math.random()),e]));else if(e instanceof Map)i=e;else{if("object"!=typeof e||null===e)return new Map;{const t=new Map;Object.keys(e).forEach(n=>{t.set(n,e[n])}),i=t}}if(!i||!t)return new Map;const r=new Map,s=t.id,o=t.kind;let a=null,c=null,l=null;for(const[e,t]of i){if(n&&"inbound-rtp"===t.type&&t.trackIdentifier===s){a=t,c=e,l=t.ssrc;break}if(!n&&"media-source"===t.type&&t.trackIdentifier===s){a=t,c=e;break}"track"===t.type&&t.trackIdentifier===s&&(a||(a=t,c=e))}if(!a)if(n){const e=[];for(const[t,n]of i)"inbound-rtp"!==n.type||n.kind!==o&&n.mediaType!==o||e.push({id:t,stat:n});(1===e.length||e.length>1)&&(a=e[0].stat,c=e[0].id,l=a.ssrc)}else for(const[e,t]of i)if("media-source"===t.type&&t.kind===o){a=t,c=e;break}if(!a)return r;r.set(c,a);const d=new Set;if(n){if(a.codecId&&d.add(a.codecId),a.transportId&&d.add(a.transportId),a.remoteId&&d.add(a.remoteId),l)for(const[e,t]of i)"remote-outbound-rtp"===t.type&&t.ssrc===l&&d.add(e);for(const e of d)i.has(e)&&r.set(e,i.get(e));for(const[e,t]of i)"track"===t.type&&t.trackIdentifier===s&&r.set(e,t)}else{for(const[e,t]of i)if("outbound-rtp"===t.type&&t.mediaSourceId===c){r.set(e,t),t.codecId&&d.add(t.codecId),t.transportId&&d.add(t.transportId);const n=e;for(const[e,t]of i)"remote-inbound-rtp"===t.type&&t.localId===n&&r.set(e,t)}for(const e of d)i.has(e)&&r.set(e,i.get(e))}let u=null;const h=new Set;for(const e of r.values())e.transportId&&h.add(e.transportId);for(const e of h)if(i.has(e)){const t=i.get(e);r.set(e,t),t.selectedCandidatePairId&&(u=t.selectedCandidatePairId),t.localCertificateId&&i.has(t.localCertificateId)&&r.set(t.localCertificateId,i.get(t.localCertificateId)),t.remoteCertificateId&&i.has(t.remoteCertificateId)&&r.set(t.remoteCertificateId,i.get(t.remoteCertificateId))}if(u&&i.has(u)){const e=i.get(u);r.set(u,e),e.localCandidateId&&i.has(e.localCandidateId)&&r.set(e.localCandidateId,i.get(e.localCandidateId)),e.remoteCandidateId&&i.has(e.remoteCandidateId)&&r.set(e.remoteCandidateId,i.get(e.remoteCandidateId))}return r}(r,t,s);return i.info(`Completed filtering stats for ${s?"remote":"local"} track`),m(o,n)})))}function f(e,t){const n=e.result().find(e=>"ssrc"===e.type&&e.stat("googTrackId")===t.id);let i={};return n&&(i.timestamp=Math.round(Number(n.timestamp)),i=n.names().reduce((e,t)=>{switch(t){case"googCodecName":e.codecName=n.stat(t);break;case"googRtt":e.roundTripTime=Number(n.stat(t));break;case"googJitterReceived":e.jitter=Number(n.stat(t));break;case"googFrameWidthInput":e.frameWidthInput=Number(n.stat(t));break;case"googFrameHeightInput":e.frameHeightInput=Number(n.stat(t));break;case"googFrameWidthSent":e.frameWidthSent=Number(n.stat(t));break;case"googFrameHeightSent":e.frameHeightSent=Number(n.stat(t));break;case"googFrameWidthReceived":e.frameWidthReceived=Number(n.stat(t));break;case"googFrameHeightReceived":e.frameHeightReceived=Number(n.stat(t));break;case"googFrameRateInput":e.frameRateInput=Number(n.stat(t));break;case"googFrameRateSent":e.frameRateSent=Number(n.stat(t));break;case"googFrameRateReceived":e.frameRateReceived=Number(n.stat(t));break;case"ssrc":e[t]=n.stat(t);break;case"bytesReceived":case"bytesSent":case"packetsLost":case"packetsReceived":case"packetsSent":case"audioInputLevel":case"audioOutputLevel":e[t]=Number(n.stat(t))}return e},i)),i}function m(e,{simulateExceptionWhileStandardizingStats:t=!1}){if(t)throw new Error("Error while gathering stats");let n=null;const i=[];let r=null,s=null,o=null,a=null,c=null;e.forEach(e=>{const{type:t}=e;switch(t){case"inbound-rtp":n=e;break;case"outbound-rtp":i.push(e);break;case"media-source":c=e;break;case"track":o=e;break;case"codec":a=e;break;case"remote-inbound-rtp":r=e;break;case"remote-outbound-rtp":s=e}});const l=o?o.remoteSource:!c,d=[],u=l?s:r;return(l?[n]:i).forEach(e=>{const t={},n=[e,c,o,a,u&&u.ssrc===e.ssrc?u:null];function i(e){const t=n.find(t=>t&&void 0!==t[e])||null;return t?t[e]:null}const r=i("ssrc");"number"==typeof r&&(t.ssrc=String(r));const s=i("timestamp");t.timestamp=Math.round(s);let h=i("mimeType");"string"==typeof h&&(h=h.split("/"),t.codecName=h[h.length-1]);const p=i("roundTripTime");"number"==typeof p&&(t.roundTripTime=Math.round(1e3*p));const f=i("jitter");"number"==typeof f&&(t.jitter=Math.round(1e3*f));const m=i("frameWidth");"number"==typeof m&&(l?t.frameWidthReceived=m:(t.frameWidthSent=m,t.frameWidthInput=o?o.frameWidth:c.width));const g=i("frameHeight");"number"==typeof g&&(l?t.frameHeightReceived=g:(t.frameHeightSent=g,t.frameHeightInput=o?o.frameHeight:c.height));const _=i("framesPerSecond");"number"!=typeof _&&null!==_||(t[l?"frameRateReceived":"frameRateSent"]=_);const v=i("qualityLimitationReason");"string"==typeof v&&(t.qualityLimitationReason=v);const b=i("bytesReceived");"number"==typeof b&&(t.bytesReceived=b);const y=i("bytesSent");"number"==typeof y&&(t.bytesSent=y);const k=i("packetsLost");"number"==typeof k&&(t.packetsLost=k);const w=i("packetsReceived");"number"==typeof w&&(t.packetsReceived=w);const S=i("packetsSent");"number"==typeof S&&(t.packetsSent=S);let T=i("audioLevel");"number"==typeof T&&(T=Math.round(32767*T),l?t.audioOutputLevel=T:t.audioInputLevel=T);const C=i("totalPacketSendDelay");"number"==typeof C&&(t.totalPacketSendDelay=C);const P=i("totalEncodeTime");"number"==typeof P&&(t.totalEncodeTime=P);const E=i("framesEncoded");"number"==typeof E&&(t.framesEncoded=E);const O=i("estimatedPlayoutTimestamp");"number"==typeof O&&(t.estimatedPlayoutTimestamp=O);const L=i("totalDecodeTime");"number"==typeof L&&(t.totalDecodeTime=L);const R=i("framesDecoded");"number"==typeof R&&(t.framesDecoded=R);const I=i("jitterBufferDelay");"number"==typeof I&&(t.jitterBufferDelay=I);const M=i("jitterBufferEmittedCount");"number"==typeof M&&(t.jitterBufferEmittedCount=M);const D=i("freezeCount");"number"==typeof D&&(t.freezeCount=D),d.push(t)}),d}function g(e=new Map,{isRemote:t,simulateExceptionWhileStandardizingStats:n=!1}){if(n)throw new Error("Error while gathering stats");let i=null,r=null;e.forEach(t=>{const{isRemote:n,remoteId:s,type:o}=t;if(!n)switch(o){case"inbound-rtp":i=t,r=l(e,s);break;case"outbound-rtp":r=t,i=l(e,s)}});const s=t?i:r,o=t?r:i;function a(e){return s&&void 0!==s[e]?s[e]:o&&void 0!==o[e]?o[e]:null}const c={},d=a("timestamp");c.timestamp=Math.round(d);const u=a("ssrc");"number"==typeof u&&(c.ssrc=String(u));const h=a("bytesSent");"number"==typeof h&&(c.bytesSent=h);const p=a("packetsLost");"number"==typeof p&&(c.packetsLost=p);const f=a("packetsSent");"number"==typeof f&&(c.packetsSent=f);const m=a("roundTripTime");"number"==typeof m&&(c.roundTripTime=Math.round(1e3*m));const g=a("jitter");"number"==typeof g&&(c.jitter=Math.round(1e3*g));const _=a("framesPerSecond");"number"!=typeof _&&null!==_||(c.frameRateSent=_);const v=a("bytesReceived");"number"==typeof v&&(c.bytesReceived=v);const b=a("packetsReceived");"number"==typeof b&&(c.packetsReceived=b);const y=a("framesPerSecond");"number"!=typeof y&&null!==y||(c.frameRateReceived=y);const k=a("totalPacketSendDelay");"number"==typeof k&&(c.totalPacketSendDelay=k);const w=a("totalEncodeTime");"number"==typeof w&&(c.totalEncodeTime=w);const S=a("framesEncoded");"number"==typeof S&&(c.framesEncoded=S);const T=a("estimatedPlayoutTimestamp");"number"==typeof T&&(c.estimatedPlayoutTimestamp=T);const C=a("totalDecodeTime");"number"==typeof C&&(c.totalDecodeTime=C);const P=a("framesDecoded");"number"==typeof P&&(c.framesDecoded=P);const E=a("jitterBufferDelay");"number"==typeof E&&(c.jitterBufferDelay=E);const O=a("jitterBufferEmittedCount");"number"==typeof O&&(c.jitterBufferEmittedCount=O);const L=a("freezeCount");return"number"==typeof L&&(c.freezeCount=L),c}return pe=function(t,n){return t&&"function"==typeof t.getStats?function(t,n){const i=h(t,"audio","local"),r=h(t,"video","local"),c=h(t,"audio"),l=h(t,"video"),f={activeIceCandidatePair:null,localAudioTrackStats:[],localVideoTrackStats:[],remoteAudioTrackStats:[],remoteVideoTrackStats:[]},m=e([[i,"localAudioTrackStats",!1],[r,"localVideoTrackStats",!1],[c,"remoteAudioTrackStats",!0],[l,"remoteVideoTrackStats",!0]],([e,i,r])=>e.map(e=>function(e,t,n={}){if(void 0!==n.testForChrome||s)return p(e,t,n);if(void 0!==n.testForFirefox||o)return function(e,t,n){return e.getStats(t).then(e=>[g(e,n)])}(e,t,n);if(void 0!==n.testForSafari||a)return p(e,t,n);return Promise.reject(new Error("RTCPeerConnection#getStats() not supported"))}(t,e,Object.assign({isRemote:r},n)).then(t=>{t.forEach(t=>{t.trackId=e.id,f[i].push(t)})})));return Promise.all(m).then(()=>function(e,t={}){if(void 0!==t.testForChrome||s||void 0!==t.testForSafari||a)return e.getStats().then(d);if(void 0!==t.testForFirefox||o)return e.getStats().then(u);return Promise.reject(new Error("RTCPeerConnection#getStats() not supported"))}(t,n)).then(e=>(f.activeIceCandidatePair=e,f))}(t,n):Promise.reject(new Error("Given PeerConnection does not support getStats"))},pe}function we(){if(ge)return me;return ge=1,me=function(e={audio:!0,video:!0}){return"object"==typeof navigator&&"object"==typeof navigator.mediaDevices&&"function"==typeof navigator.mediaDevices.getUserMedia?navigator.mediaDevices.getUserMedia(e):Promise.reject(new Error("getUserMedia is not supported"))}}var Se,Te,Ce,Pe,Ee,Oe={exports:{}},Le={exports:{}};function Re(){if(Se)return Le.exports;Se=1;var e,t="object"==typeof Reflect?Reflect:null,n=t&&"function"==typeof t.apply?t.apply:function(e,t,n){return Function.prototype.apply.call(e,t,n)};e=t&&"function"==typeof t.ownKeys?t.ownKeys:Object.getOwnPropertySymbols?function(e){return Object.getOwn