@opentok/client/dist/js/opentok.min.js

The OpenTok.js library lets you use OpenTok-powered video sessions on the web

/**
 * @license OpenTok.js 2.30.5 ee13e838e
 *
 * Copyright (c) 2010-2025 TokBox, Inc.
 * Subject to the applicable Software Development Kit (SDK) License Agreement:
 * https://www.vonage.com/legal/communications-apis/terms-of-use/
 *
 * Date: Mon, 21 Jul 2025 17:56:59 GMT
 */
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t=h+1;t<e.length;t++){if(F.test(e[t])){void 0!==n&&(r=t-1);break}l=e[t].match(U),c=e[t].match(p),void 0===n&&(l||c)&&(n=t,l&&(a=/^(FID|SIM)$/.test(l[1])?l[2]:l[1])),s=e[t].match(`a=ssrc:${a} msid:(.+)`),s&&(d=s[1]);const o=p.test(e[t]),h=U.test(e[t]);void 0!==n&&(void 0!==r||o||h?t===e.length-1&&(r=t):r=t-1);const g=e[t].match(/a=mid:(.+)/);g&&(u=g[1],A=t),i=m.exec(e[t]),i&&3===i.length&&b.push({lineIndex:t,name:i[1],value:i[2]})}return b.ssrcStartIndex=n,b.ssrcEndIndex=r,b.msid=d,b.mid=u,b.midIndex=A,b.isUsingRTX=Q.bind(null,e,b),b.filterByName=function(e){return this.filter(t=>t.name===e)},b.getRtpNumber=e=>{const t=new RegExp("rtpmap:(.+)");return(0,o.default)(b.map(n=>{const r=n.name.match(t);return r&&n.value.indexOf(e)>=0?r[1]:null}),e=>null!==e)},b},g.modifyDtx=(e,t)=>{const n=e.split("\r\n");if(!g.getMLine(n,"audio"))return h.debug("No audio m-line, not enabling dtx."),e;const r=g.getAttributesForMediaType(n,"audio"),i=r.getRtpNumber("opus");if(!i)return h.debug("Could not find rtp number for opus, not enabling dtx."),e;const o=r.find(e=>e.name==="fmtp:"+i);if(!o)return h.debug("Could not find a=fmtp line for opus, not enabling dtx."),e;let a=n[o.lineIndex];const l=/usedtx=\d+([\s;]*)/;return l.test(o.value)?a=a.replace(l,t?"usedtx=1$1":""):t&&(a+="; usedtx=1"),a=a.replace(/[;\s]*$/,""),n[o.lineIndex]=a,n.join("\r\n")};const F=(e,t,n)=>{const r=t.split("\r\n");if(!g.getMLine(r,"audio"))return h.debug("No audio m-line, not enabling stereo."),t;const i=g.getAttributesForMediaType(r,"audio"),o=i.getRtpNumber("opus");if(!o)return h.debug("Could not find rtp number for opus, not enabling stereo."),t;const a=i.find(e=>e.name==="fmtp:"+o);if(!a)return h.debug("Could not find a=fmtp line for opus, not enabling stereo."),t;let l,c=r[a.lineIndex];switch(e){case"send":l=/sprop-stereo=\d+([\s;]*)/,l.test(a.value)?c=c.replace(l,n?"sprop-stereo=1$1":""):n&&(c+="; sprop-stereo=1");break;case"receive":l=/([^-])stereo=\d+([\s;]*)/,l.test(a.value)?c=c.replace(l,n?"$1stereo=1$2":"$1"):n&&(c+="; stereo=1");break;default:throw new Error(`Invalid type ${e} passed into enableStereo`)}return c=c.replace(/[;\s]*$/,""),r[a.lineIndex]=c,r.join("\r\n")};g.modifySendStereo=F.bind(null,"send"),g.modifyReceiveStereo=F.bind(null,"receive"),g.setAudioBitrate=(e,t)=>{const n=g.getAudioBitrate(e);if(void 0!==n)return h.debug(`Audio bitrate already set to ${n}, not setting audio bitrate`),e;const r=e.split("\r\n");if(!g.getMLine(r,"audio"))return h.debug("No audio m-line, not setting audio bitrate"),e;const i=g.getAttributesForMediaType(r,"audio"),o=i.getRtpNumber("opus");if(!o)return h.debug("Could not find rtp number for opus, not setting audio bitrate."),e;const a=i.find(e=>e.name==="fmtp:"+o);if(!a)return h.debug("Could not find a=fmtp line for opus, not setting audio bitrate."),e;let l=r[a.lineIndex];return l+="; maxaveragebitrate="+t,l=l.replace(/[;\s]*$/,""),r[a.lineIndex]=l,r.join("\r\n")},g.removeVideoOrientation=e=>{let t=e.split("\r\n");return t=t.filter(e=>!e.includes("urn:3gpp:video-orientation")),t.join("\r\n")},g.hasSendStereo=e=>/[\s;]sprop-stereo=1/.test(e),g.hasSendDtx=e=>/[\s;]usedtx=1/.test(e),g.hasOpusFec=e=>/[\s;]useinbandfec=1/.test(e),g.getAudioBitrate=e=>{const t=e.match(/[\s;]maxaveragebitrate=(\d+)/);if(t)return Number(t[1])},g.MAX_SSRCS=10,g.getSSRCGroupType=e=>["SIM","FID"].find(t=>e.filterByName("ssrc-group:"+t)[0]),g.getSSRCGroup=e=>{const t=g.getSSRCGroupType(e);return e.filterByName("ssrc-group:"+t)[0]},g.getSSRCGroupSSRCs=e=>{const t=g.getSSRCGroup(e);return t?t.value.split(" ").slice(0,g.MAX_SSRCS):[]},g.getAllowedSSRCs=(e,t)=>{const n=t.slice();return e.filterByName("ssrc-group:FID").forEach(e=>{const t=e.value.split(" ");(0,l.default)(n,t).length&&Array.prototype.push.apply(n,t)}),(0,c.default)(n)},g.filterExcessSSRCs=e=>{const t=e.split("\r\n"),n=g.getAttributesForMediaType(t,"video"),r=g.getSSRCGroupType(n),i=n.ssrcStartIndex;if(void 0===i)return e;let o;const a=e=>{let t=null;return e.match(/^a=ssrc:(\d+)/)&&(t=RegExp.$1),t};if(r){const e=g.getSSRCGroupSSRCs(n),i=["a=ssrc-group:"+r,...e].join(" ");t[n.find(e=>e.name.startsWith("ssrc-group:")).lineIndex]=i,o=g.getAllowedSSRCs(n,e)}else{o=[];n.ssrcStartIndex&&o.push(a(t[n.ssrcStartIndex]))}return t.filter((e,t)=>{if(t<i||t>n.ssrcEndIndex)return!0;if(t===i){if(!r){const t=a(e);return t?o.includes(t):!/^a=ssrc:(\d+)/.test(e)}return!0}const l=a(e);if(l)return o.includes(l);if(e.match(/^a=ssrc-group:FID (\d+)/)){const e=RegExp.$1;return o.includes(e)}return!e.match(/^a=ssrc-group:SIM /)}).join("\r\n")},g.enableSimulcast=function(e,t){let n,r;const i=e.split("\r\n");if(!g.getMLine(i,"video"))return h.debug("No video m-line, not enabling simulcast."),e;const o=g.getAttributesForMediaType(i,"video");if(o.filterByName("ssrc-group:SIM").length>0)return h.debug("Simulcast is already enabled in this SDP, not attempting to enable again."),g.filterExcessSSRCs(e);if(!o.msid)return h.debug("No local stream attached, not enabling simulcast."),e;const a=o.isUsingRTX(),l=[],c=[];for(r=0;r<t;++r)l.push(1e4+r),a&&c.push(2e4+r);if(n=["a=ssrc-group:SIM "+l.join(" ")],a)for(r=0;r<t;++r)n.push(`a=ssrc-group:FID ${l[r]} ${c[r]}`);for(r=0;r<t;++r)n.push(`a=ssrc:${l[r]} cname:localCname`,`a=ssrc:${l[r]} msid:${o.msid}`);if(a)for(r=0;r<t;++r)n.push(`a=ssrc:${c[r]} cname:localCname`,`a=ssrc:${c[r]} msid:${o.msid}`);return n.unshift(o.ssrcStartIndex,o.ssrcEndIndex-o.ssrcStartIndex+1),i.splice(...n),i.join("\r\n")},g.reprioritizeVideoCodec=function(e,t,n){const r=e.split("\r\n"),i=g.getMLineIndex(r,"video");if(-1===i)return e;const o=g.getMLinePayloadTypes(r[i],"video"),a=new RegExp("^a=rtpmap:(\\d+).* "+t,"i"),l=r.map(e=>e.match(a)).filter(e=>null!==e);if(0===l.length)return e;const c=l.map(e=>e[1]);let s=o.filter(e=>-1===c.indexOf(e));"top"===n?s.unshift(...c):"bottom"===n?s.push(...c):(h.error(`Unexpected location param: ${n}; not changing ${t} priority`),s=o);const d=r[i].replace(o.join(" "),s.join(" "));return r[i]=d,r.join("\r\n")},g.getSetupRole=e=>{for(var t,n=u(e.split(/\r\n|\r|\n/));!(t=n()).done;){const e=t.value.match(/^a=setup:(\w+)/);if(e)return e[1]}return""},g.setSetupRole=(e,t)=>e.split(/\r\n|\r|\n/).map(e=>e.match(/^a=setup:(\w+)/)?"a=setup:"+t:e).join("\r\n"),g.changeSetupRole=(e,t,n)=>e.split(/\r\n|\r|\n/).map(e=>e.includes("a=setup:"+t)?"a=setup:"+n:e).join("\r\n"),g.patterns={bundle:"a=group:BUNDLE",address:"c=IN IP4",rtcp:"a=rtcp:",direction:["a=inactive","a=sendonly","a=recvonly","a=sendrecv"],rsize:"a=rtcp-rsize",ssrc:"a=ssrc:",msid:"a=msid:"},g.getIndexStartingWith=(e,t,n)=>{const r=e.slice(n),i=t.map(e=>r.findIndex(t=>t.includes(e))).filter(e=>e>-1);return i.length?n+Math.min(...i):e.length},g.getLastIndexPriorTo=(e,t,n)=>e.slice(0,n).map(e=>e.includes(t)).lastIndexOf(!0),g.includesAny=(e,t)=>{for(let n=0;n<t.length;n++)if(e.includes(t[n]))return!0;return!1},g.isVersionLine=e=>/^o=/.test(e),g.getVersionLine=e=>e.find(g.isVersionLine),g.getVersion=e=>{const t=g.getVersionLine(e);if(void 0===t)return;const n=Number(t.match(/ (\d+) IN /)[1]);return Number.isInteger(n)?n:void 0},g.updateVersion=(e,t,n)=>{const r=[...e],i=r.findIndex(e=>g.isVersionLine(e));return i>=0&&(r[i]=r[i].replace(` ${t} `,` ${n} `)),r},g.isBundleLine=e=>e.includes(g.patterns.bundle),g.getBundleLine=e=>e.find(g.isBundleLine),g.createBundleLine=e=>`${g.patterns.bundle} ${e.join(" ")}`,g.updateBundleLine=(e,t)=>{const n=[...e],r=g.createBundleLine(t),i=n.findIndex(e=>g.isBundleLine(e));return i>=0&&(n[i]=r),n},g.parseMLine=e=>{const t=e.match(/^(m=(?:audio|video)) (\d+) (.+)/),n=t[1];return{port:t[2],transport:t[3],mediaType:n}},g.disableTrack=e=>{const t=g.parseMLine(e);return`${t.mediaType} 0 ${t.transport}`},g.setMediaDirection=(e,t)=>{if(!Object.values(d.default).includes(t))return e;const n=e.slice(),r=n.findIndex(e=>g.includesAny(e,g.patterns.direction));return-1===r||(n[r]="a="+t),n},g.disableTrackSection=e=>{const t=e.mid,n=e.sdp;let r=n.filter(e=>{const t=g.patterns,n=t.address,r=t.rtcp,i=t.rsize,o=t.ssrc,a=t.msid;return!g.includesAny(e,[n,r,i,o,a])});return r[0]=g.disableTrack(n[0]),r=g.setMediaDirection(r,d.default.INACTIVE),{mid:t,sdp:r}},g.isDisabledMediaSection=e=>{let t=e[0];return/^m=(?:video|audio) 0 RTP\/SAVPF 0/.test(t)},g.getDisabledSectionForMid=e=>[`m=${e.includes("a")?"audio":"video"} 0 RTP/SAVPF 0`],g.disableTrackSections=(e,t)=>t.map(t=>{const n=g.getTrackMids(t)[0];return!n||e.includes(n)?t:g.getDisabledSectionForMid(n)}),g.getEnabledTracks=e=>g.getBundleLine(e).match(new RegExp(`^${g.patterns.bundle} (.+)$`))[1].split(" "),g.getDisabledTracks=(e,t)=>e.filter(e=>!t.includes(e)),g.getTrackSection=(e,t)=>{const n=e.findIndex(e=>e.includes("a=mid:"+t)),r=t.includes("a")?"audio":"video",i=g.getLastIndexPriorTo(e,"m="+r,n),o=g.getIndexStartingWith(e,["m=audio","m=video"],n),a=e.slice(i,o);return{mid:t,sdp:a}},g.getHeaders=e=>{const t=e.findIndex(e=>e.includes("m=audio")||e.includes("m=video"));return e.slice(0,t)},g.getSDPLines=e=>e.split("\r\n").filter(e=>e),g.getTrackMids=e=>e.filter(e=>e.match(new RegExp("^a=mid:\\d+"))).map(e=>e.substring("a=mid:".length)),g.getTrackSections=e=>g.getTrackMids(e).map(t=>g.getTrackSection(e,t)),g.parseMantisSDP=e=>{const t=g.changeSetupRole(e,"actpass","passive");return g.parseSDP(t)},g.isMediaSectionDisabled=e=>{const t=g.parseMLine(e[0]).port;return 0===parseInt(t,10)},g.getSectionMid=e=>g.isMediaSectionDisabled(e)?null:g.getTrackMids(e)[0],g.parseSDP=e=>{const t=g.getLinesPerSection(e),n=t[0],r=t.slice(1);return{bundle:g.getBundleLine(n),version:g.getVersion(n),iceCredentials:g.getIceCredentials(n),tracks:g.getEnabledTracks(n),mediaSections:r,mids:r.map(g.getSectionMid),headers:n}},g.createSDP=(e,t)=>{const n=[...e];return t.forEach(e=>n.push(...e)),n.push(""),n.join("\r\n")},g.removePayloadTypeFromSection=(e,t)=>e.filter(e=>!e.includes(`a=rtpmap:${t} `)&&!e.includes(`a=fmtp:${t} `)&&!e.includes(`a=rtcp-fb:${t} `)),g.getRtxPayloadType=(e,t)=>{const n=e.filter(e=>e.includes("apt="+t))[0];return null==n?void 0:n.match(/^a=fmtp:(\d+) /)[1]},g.removeRtxPayloadTypeFromSection=(e,t)=>{let n=[...e];const r=g.getRtxPayloadType(n,t);return r&&(n=g.removePayloadTypeFromSection(n,r)),n},g.trimUnusedCodecs=(e,t)=>{const n=e[0].split(" "),r=n.slice(3),i=n.slice(0,3),o=g.getCodecsFromSection(e);let a=[...e],l=[];r.forEach(e=>{const n=o.codecMap[e];if(t.includes(n)){l.push(e);const t=g.getRtxPayloadType(a,e);t&&l.push(t)}else a=g.removePayloadTypeFromSection(a,e),a=g.removeRtxPayloadTypeFromSection(a,e)});const c=l.length?l:[0];return a[0]=[...i,...c].join(" "),a},g.removeUnusedCodecs=(e,t)=>{if(!t)return e;const n=g.parseSDP(e),r=n.headers,i=n.mediaSections,o=g.parseSDP(t),a=o.mids,l=o.mediaSections,c=i.map(e=>{const t=a.findIndex(t=>t===g.getTrackMids(e)[0]);if(t<0)return e;const n=Object.values(g.getCodecsFromSection(l[t]).codecMap);return g.trimUnusedCodecs(e,n)}),s=[...r];return c.forEach(e=>s.push(...e)),s.push(""),s.join("\r\n")},g.updateSDPWithNewOffer=(e,t)=>{const n=e.headers,r=e.version,i=e.mediaSections,o=g.getSDPLines(t),a=g.getVersion(o),l=g.getEnabledTracks(o),c={version:a,tracks:l,headers:g.updateBundleLine(g.updateVersion(n,r,a),l),mediaSections:g.disableTrackSections(l,i)};return c.mids=c.mediaSections.map(g.getSectionMid),c},g.isUfragLine=e=>e.includes(g.iceCredentials.ufrag),g.isPwdLine=e=>e.includes(g.iceCredentials.pwd),g.getIceCredentials=e=>{const t={};return e.forEach(e=>{g.isUfragLine(e)?t.ufrag=e:g.isPwdLine(e)&&(t.pwd=e)}),t},g.updateIceCredentials=(e,t)=>e.map(e=>g.isUfragLine(e)?t.ufrag:g.isPwdLine(e)?t.pwd:e),g.addIceCredentialsToSection=(e,t)=>{let n=t.ufrag,r=t.pwd;const i=[...e],o=i.findIndex(e=>e.startsWith("a=mid:"));return o>=0&&i.splice(o,0,n,r),i},g.addIceCandidatesToSection=(e,t)=>{const n=[...e],r=t.filter(e=>e.startsWith("a=candidate:")||"a=end-of-candidates"===e),i=n.findIndex(e=>e.startsWith("a=mid:"));return i>=0&&r.length&&n.splice(i,0,...r),n},g.addIceConfig=(e,t,n)=>{const r=[...e],i=e[0];if(!g.getIceCredentials(i).ufrag){const e=g.addIceCredentialsToSection(i,n);r[0]=g.addIceCandidatesToSection(e,t)}return r},g.updateHeadersInPartialSdp=(e,t,n)=>{if(!e.headers.length)return g.updateBundleLine(t.headers,n);let r=g.updateBundleLine(e.headers,n);return r=g.updateVersion(r,e.version,t.version),e.iceCredentials.ufrag!==t.iceCredentials.ufrag&&(r=g.updateIceCredentials(r,t.iceCredentials)),r},g.updateFirstEnabledMediaSection=(e,t)=>{const n=[...e.mediaSections],r=e.mids.findIndex(e=>null!==e);return r>=0&&(n[r]=g.updateIceCredentials(n[r],t)),n};var p=g;t.default=p},function(e,t,n){var r=n(33),i=n(11);e.exports=function(e){if(!i(e))return!1;var t=r(e);return"[object Function]"==t||"[object GeneratorFunction]"==t||"[object AsyncFunction]"==t||"[object Proxy]"==t}},function(e,t){e.expor