@videojs/http-streaming/dist/videojs-http-streaming.min.js

Play back HLS and DASH with Video.js, even where it's not natively supported

/*! @name @videojs/http-streaming @version 3.16.2 @license Apache-2.0 */
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e[i.class]=[i],i.classListIndex=0}));for(const i of t){const t=e[i.class]||[];i.endDate?i.endTime=i.endDate.getTime()/1e3-this.offset_:i.endOnNext&&t[i.classListIndex+1]?i.endTime=t[i.classListIndex+1].startTime:i.duration?i.endTime=i.startTime+i.duration:i.plannedDuration?i.endTime=i.startTime+i.plannedDuration:i.endTime=i.startTime}return t}trimProcessedDateRanges_(e){new Map(this.processedDateRanges_).forEach(((t,i)=>{t.startDate.getTime()<e&&this.processedDateRanges_.delete(i)}))}}const me=({requestType:e,request:t,error:i,parseFailure:n})=>{const r=t.status<200||t.status>299,o=t.status>=400&&t.status<=499,d={uri:t.uri,requestType:e},u=r&&!o||n;if(i&&o)d.error=a({},i),d.errorType=s.default.Error.NetworkRequestFailed;else if(t.aborted)d.errorType=s.default.Error.NetworkRequestAborted;else if(t.timedout)d.erroType=s.default.Error.NetworkRequestTimeout;else if(u){const e=n?s.default.Error.NetworkBodyParserFailed:s.default.Error.NetworkBadStatus;d.errorType=e,d.status=t.status,d.headers=t.headers}return d},{EventTarget:ge}=s.default,fe=(e,t)=>{if(!e)return t;const i=C(e,t);if(e.preloadHints&&!t.preloadHints&&delete i.preloadHints,e.parts&&!t.parts)delete i.parts;else if(e.parts&&t.parts)for(let n=0;n<t.parts.length;n++)e.parts&&e.parts[n]&&(i.parts[n]=C(e.parts[n],t.parts[n]));return!e.skipped&&t.skipped&&(i.skipped=!1),e.preload&&!t.preload&&(i.preload=!1),i},ye=(e,t)=>{!e.resolvedUri&&e.uri&&(e.resolvedUri=d(t,e.uri)),e.key&&!e.key.resolvedUri&&(e.key.resolvedUri=d(t,e.key.uri)),e.map&&!e.map.resolvedUri&&(e.map.resolvedUri=d(t,e.map.uri)),e.map&&e.map.key&&!e.map.key.resolvedUri&&(e.map.key.resolvedUri=d(t,e.map.key.uri)),e.parts&&e.parts.length&&e.parts.forEach((e=>{e.resolvedUri||(e.resolvedUri=d(t,e.uri))})),e.preloadHints&&e.preloadHints.length&&e.preloadHints.forEach((e=>{e.resolvedUri||(e.resolvedUri=d(t,e.uri))}))},_e=function(e){const t=e.segments||[],i=e.preloadSegment;if(i&&i.parts&&i.parts.length){if(i.preloadHints)for(let e=0;e<i.preloadHints.length;e++)if("MAP"===i.preloadHints[e].type)return t;i.duration=e.targetDuration,i.preload=!0,t.push(i)}return t},Te=(e,t)=>e===t||e.segments&&t.segments&&e.segments.length===t.segments.length&&e.endList===t.endList&&e.mediaSequence===t.mediaSequence&&e.preloadSegment===t.preloadSegment,be=(e,t,i=Te)=>{const n=C(e,{}),s=n.playlists[t.id];if(!s)return null;if(i(s,t))return null;t.segments=_e(t);const a=C(s,t);if(a.preloadSegment&&!t.preloadSegment&&delete a.preloadSegment,s.segments){if(t.skip){t.segments=t.segments||[];for(let e=0;e<t.skip.skippedSegments;e++)t.segments.unshift({skipped:!0})}a.segments=((e,t,i)=>{const n=e.slice(),s=t.slice();i=i||0;const a=[];let r;for(let e=0;e<s.length;e++){const t=n[e+i],o=s[e];t?(r=t.map||r,a.push(fe(t,o))):(r&&!o.map&&(o.map=r),a.push(o))}return a})(s.segments,t.segments,t.mediaSequence-s.mediaSequence)}a.segments.forEach((e=>{ye(e,a.resolvedUri)}));for(let e=0;e<n.playlists.length;e++)n.playlists[e].id===t.id&&(n.playlists[e]=a);return n.playlists[t.id]=a,n.playlists[t.uri]=a,le(e,((e,i,n,s)=>{if(e.playlists)for(let i=0;i<e.playlists.length;i++)t.id===e.playlists[i].id&&(e.playlists[i]=a)})),n},Se=(e,t)=>{const i=e.segments||[],n=i[i.length-1],s=n&&n.parts&&n.parts[n.parts.length-1],a=s&&s.duration||n&&n.duration;return t&&a?1e3*a:500*(e.partTargetDuration||e.targetDuration||10)},ve=(e,t,i)=>{if(!e)return;const n=[];return e.forEach((e=>{if(!e.attributes)return;const{BANDWIDTH:t,RESOLUTION:i,CODECS:s}=e.attributes;n.push({id:e.id,bandwidth:t,resolution:i,codecs:s})})),{type:t,isLive:i,renditions:n}};class we extends ge{constructor(e,t,i={}){if(super(),!e)throw new Error("A non-empty playlist URL or object is required");this.logger_=l("PlaylistLoader");const{withCredentials:n=!1}=i;this.src=e,this.vhs_=t,this.withCredentials=n,this.addDateRangesToTextTrack_=i.addDateRangesToTextTrack;const s=t.options_;this.customTagParsers=s&&s.customTagParsers||[],this.customTagMappers=s&&s.customTagMappers||[],this.llhls=s&&s.llhls,this.dateRangesStorage_=new pe,this.state="HAVE_NOTHING",this.handleMediaupdatetimeout_=this.handleMediaupdatetimeout_.bind(this),this.on("mediaupdatetimeout",this.handleMediaupdatetimeout_),this.on("loadedplaylist",this.handleLoadedPlaylist_.bind(this))}handleLoadedPlaylist_(){const e=this.media();if(!e)return;this.dateRangesStorage_.setOffset(e.segments),this.dateRangesStorage_.setPendingDateRanges(e.dateRanges);const t=this.dateRangesStorage_.getDateRangesToProcess();t.length&&this.addDateRangesToTextTrack_&&this.addDateRangesToTextTrack_(t)}handleMediaupdatetimeout_(){if("HAVE_METADATA"!==this.state)return;const e=this.media();let t=d(this.main.uri,e.uri);this.llhls&&(t=((e,t)=>{if(t.endList||!t.serverControl)return e;const i={};if(t.serverControl.canBlockReload){const{preloadSegment:e}=t;let n=t.mediaSequence+t.segments.length;if(e){const s=e.parts||[],a=X(t)-1;a>-1&&a!==s.length-1&&(i._HLS_part=a),(a>-1||s.length)&&n--}i._HLS_msn=n}if(t.serverControl&&t.serverControl.canSkipUntil&&(i._HLS_skip=t.serverControl.canSkipDateranges?"v2":"YES"),Object.keys(i).length){const t=new window.URL(e);["_HLS_skip","_HLS_msn","_HLS_part"].forEach((function(e){i.hasOwnProperty(e)&&t.searchParams.set(e,i[e])})),e=t.toString()}return e})(t,e)),this.state="HAVE_CURRENT_METADATA",this.request=this.vhs_.xhr({uri:t,withCredentials:this.withCredentials,requestType:"hls-playlist"},((e,t)=>{if(this.request)return e?this.playlistRequestError(this.request,this.media(),"HAVE_METADATA"):void this.haveMetadata({playlistString:this.request.responseText,url:this.media().uri,id:this.media().id})}))}playlistRequestError(e,t,i){const{uri:n,id:s}=t;this.request=null,i&&(this.state=i),this.error={playlist:this.main.playlists[s],status:e.status,message:`HLS playlist request error at URL: ${n}.`,responseText:e.responseText,code:e.status>=500?4:2,metadata:me({requestType:e.requestType,request:e,error:e.error})},this.trigger("error")}parseManifest_({url:e,manifestString:t}){try{return(({onwarn:e,oninfo:t,manifestString:i,customTagParsers:n=[],customTagMappers:s=[],llhls:a})=>{const r=new S;e&&r.on("warn",e),t&&r.on("info",t),n.forEach((e=>r.addParser(e))),s.forEach((e=>r.addTagMapper(e))),r.push(i),r.end();const o=r.manifest;if(a||(["preloadSegment","skip","serverControl","renditionReports","partInf","partTargetDuration"].forEach((function(e){o.hasOwnProperty(e)&&delete o[e]})),o.segments&&o.segments.forEach((function(e){["parts","preloadHints"].forEach((function(t){e.hasOwnProperty(t)&&delete e[t]}))}))),!o.targetDuration){let t=10;o.segments&&o.segments.length&&(t=o.segments.reduce(((e,t)=>Math.max(e,t.duration)),0)),e&&e({message:`manifest has no targetDuration defaulting to ${t}`}),o.targetDuration=t}const d=H(o);if(d.length&&!o.partTargetDuration){const t=d.reduce(((e,t)=>Math.max(e,t.duration)),0);e&&(e({message:`manifest has no partTargetDuration defaulting to ${t}`}),oe.error("LL-HLS manifest has parts but lacks required #EXT-X-PART-INF:PART-TARGET value. See https://datatracker.ietf.org/doc/html/draft-pantos-hls-rfc8216bis-09#section-4.4.3.7. Playback is not guaranteed.")),o.partTargetDuration=t}return o})({onwarn:({message:t})=>this.logger_(`m3u8-parser warn for ${e}: ${t}`),oninfo:({message:t})=>this.logger_(`m3u8-parser info for ${e}: ${t}`),manifestString:t,customTagParsers:this.customTagParsers,customTagMappers:this.customTagMappers,llhls:this.llhls})}catch(e){this.error=e,this.error.metadata={errorType:s.default.Error.StreamingHlsPlaylistParserError,error:e}}}haveMetadata({playlistString:e,playlistObject:t,url:i,id:n}){this.request=null,this.state="HAVE_METADATA";const s={playlistInfo:{type:"media",uri:i}};this.trigger({type:"playlistparsestart",metadata:s});const a=t||this.parseManifest_({url:i,manifestString:e});a.lastRequest=Date.now(),he({playlist:a,uri:i,id:n});const r=be(this.main,a);this.targetDuration=a.partTargetDuration||a.targetDuration,this.pendingMedia_=null,r?(this.main=r,this.media_=this.main.playlists[n]):this.trigger("playlistunchanged"),this.updateMediaUpdateTimeout_(Se(this.media(),!!r)),s.parsedPlaylist=ve(this.main.playlists,s.playlistInfo.type,!this.media_.endList),this.trigger({type:"playlistparsecomplete",metadata:s}),this.trigger("loadedplaylist")}dispose(){this.trigger("dispose"),this.stopRequest(),window.clearTimeout(this.mediaUpdateTimeout),window.clearTimeout(this.finalRenditionTimeout),this.dateRangesStorage_=new pe,this.off()}stopRequest(){if(this.request){const e=this.request;this.request=null,e.onreadystatechange=null,e.abort()}}media(e,t){if(!e)return this.media_;if("HAVE_NOTHING"===this.state)throw new Error("Cannot switch media playlist from "+this.state);if("string"==typeof e){if(!this.main.playlists[e])throw new Error("Unknown playlist URI: "+e);e=this.main.playlists[e]}if(window.clearTimeout(this.finalRenditionTimeout),t){const t=(e.partTargetDuration||e.targetDuration)/2*1e3||5e3;return void(this.finalRenditionTimeout=window.setTimeout(this.media.bind(this,e,!1),t))}const i=this.state,n=!this.media_||e.id!==this.media_.id,s=this.main.playlists[e.id];if(s&&s.endList||e.endList&&e.segments.length)return this.request&&(this.request.onreadystatechange=null,this.request.abort(),this.request=null),this.state="HAVE_METADATA",this.media_=e,void(n&&(this.trigger("mediachanging"),"HAVE_MAIN_MANIFEST"===i?this.trigger("loadedmetadata"):this.trigger("mediachange")));if(this.updateMediaUpdateTimeout_(Se(e,!0)),!n)return;if(this.state="SWITCHING_MEDIA",this.request){if(e.resolvedUri===this.request.url)return;this.request.onreadystatechange=null,this.request.abort(),this.request=null}this.media_&&this.trigger("mediachanging"),this.pendingMedia_=e;const a={playlistInfo:{type:"media",uri:e.uri}};this.trigger({type:"playlistrequeststart",metadata:a}),this.request=this.vhs_.xhr({uri:e.resolvedUri,withCredentials:this.withCredentials,requestType:"hls-playlist"},((t,n)=>{if(this.request){if(e.lastRequest=Date.now(),e.resolvedUri=u(e.resolvedUri,n),t)return this.playlistRequestError(this.request,e,i);this.trigger({type:"playlistrequestcomplete",metadata:a}),this.haveMetadata({playlistString:n.responseText,url:e.uri,id:e.id}),"HAVE_MAIN_MANIFEST"===i?this.trigger("loadedmetadata"):this.trigger("mediachange")}}))}pause(){this.mediaUpdateTimeout&&(window.clearTimeout(this.mediaUpdateTimeout),this.mediaUpdateTimeout=null),this.stopRequest(),"HAVE_NOTHING"===this.state&&(this.started=!1),"SWITCHING_MEDIA"===this.state?this.media_?this.state="HAVE_METADATA":this.state="HAVE_MAIN_MANIFEST":"HAVE_CURRENT_METADATA"===this.state&&(this.state="HAVE_METADATA")}load(e){this.mediaUpdateTimeout&&(window.clearTimeout(this.mediaUpdateTimeout),this.mediaUpdateTimeout=null);const t=this.media();if(e){const e=t?(t.partTargetDuration||t.targetDuration)/2*1e3:5e3;this.mediaUpdateTimeout=window.setTimeout((()=>{this.mediaUpdateTimeout=null,this.load()}),e)}else this.started?t&&!t.endList?this.trigger("mediaupdatetimeout"):this.trigger("loadedplaylist"):this.start()}updateMediaUpdateTimeout_(e){this.mediaUpdateTimeout&&(window.clearTimeout(this.mediaUpdateTimeout),this.mediaUpdateTimeout=null),this.media()&&!this.media().endList&&(this.mediaUpdateTimeout=window.setTimeout((()=>{this.mediaUpdateTimeout=null,this.trigger("mediaupdatetimeout"),this.updateMediaUpdateTimeout_(e)}),e))}start(){if(this.started=!0,"object"==typeof this.src)return this.src.uri||(this.src.uri=window.location.href),this.src.resolvedUri=this.src.uri,void setTimeout((()=>{this.setupInitialPlaylist(this.src)}),0);const e={playlistInfo:{type:"multivariant",uri:this.src}};this.trigger({type:"playlistrequeststart",metadata:e}),this.request=this.vhs_.xhr({uri:this.src,withCredentials:this.withCredentials,requestType:"hls-playlist"},((t,i)=>{if(!this.request)return;if(this.request=null,t)return this.error={status:i.status,message:`HLS playlist request error at URL: ${this.src}.`,responseText:i.responseText,code:2,metadata:me({requestType:i.requestType,request:i,error:t})},"HAVE_NOTHING"===this.state&&(this.started=!1),this.trigger("error");this.trigger({type:"playlistrequestcomplete",metadata:e}),this.src=u(this.src,i),this.trigger({type:"playlistparsestart",metadata:e});const n=this.parseManifest_({manifestString:i.responseText,url:this.src});e.parsedPlaylist=ve(n.playlists,e.playlistInfo.type,!1),this.trigger({type:"playlistparsecomplete",metadata:e}),this.setupInitialPlaylist(n)}))}srcUri(){return"string"==typeof this.src?this.src:this.src.uri}setupInitialPlaylist(e){if(this.state="HAVE_MAIN_MANIFEST",e.playlists)return this.main=e,ce(this.main,this.srcUri()),e.playlists.forEach((e=>{e.segments=_e(e),e.segments.forEach((t=>{ye(t,e.resolvedUri)}))})),this.trigger("loadedplaylist"),void(this.request||this.media(this.main.playlists[0]));const t=this.srcUri()||window.location.href;this.main=((e,t)=>{const i=de(0,t),n={mediaGroups:{AUDIO:{},VIDEO:{},"CLOSED-CAPTIONS":{},SUBTITLES:{}},uri:window.location.href,resolvedUri:window.location.href,playlists:[{uri:t,id:i,resolvedUri:t,attributes:{}}]};return n.playlists[i]=n.playlists[0],n.playlists[t]=n.playlists[0],n})(0,t),this.haveMetadata({playlistObject:e,url:t,id:this.main.playlists[0].id}),this.trigger("loadedmetadata")}updateOrDeleteClone(e,t){const i=this.main,n=e.ID;let s=i.playlists.length;for(;s--;){const a=i.playlists[s];if(a.attributes["PATHWAY-ID"]===n){const r=a.resolvedUri,o=a.id;if(t){const t=this.createCloneURI_(a.resolvedUri,e),r=de(n,t),o=this.createCloneAttributes_(n,a.attributes),d=this.createClonePlaylist_(a,r,e,o);i.playlists[s]=d,i.playlists[r]=d,i.playlists[t]=d}else i.playlists.splice(s,1);delete