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`,this.mediaSequenceSync_.diagnostics),this.mediaSequenceSync_&&this.mediaSequenceSync_.isReliable){a=this.getSyncInfoFromMediaSequenceSync_(n);if(!a)return this.error({message:s="No sync info found while using media sequence sync",metadata:{errorType:E.Error.StreamingFailedToSelectNextSegment,error:new Error(s)}}),this.logger_("chooseNextRequest_ - no sync info found using media sequence sync"),null;this.logger_(`chooseNextRequest_mediaSequencesyncInfo(${a.start}-->${a.end})`),e=a.segmentIndex,t=a.partIndex,i=a.start}else{this.logger_("chooseNextRequest_ - fallback to a regular segment selection algorithm, based on a syncPoint.");s=Dd.getMediaInfoForTime({exactManifestTimings:this.exactManifestTimings,playlist:this.playlist_,currentTime:n,startingPartIndex:this.syncPoint_.partIndex,startingSegmentIndex:this.syncPoint_.segmentIndex,startTime:this.syncPoint_.time});e=s.segmentIndex,t=s.partIndex,i=s.startTime}r.getMediaInfoForTime=this.fetchAtBuffer_?"bufferedEnd "+n:"currentTime "+n,r.mediaIndex=e,r.startOfSegment=i,r.partIndex=t,this.logger_(`choosenextrequest.Playlistswitchedandwehaveasyncpoint.MediaIndex:${r.mediaIndex}`)}a=t[r.mediaIndex];let i=a&&"number"==typeof r.partIndex&&a.parts&&a.parts[r.partIndex];if(!a||"number"==typeof r.partIndex&&!i)return null;"number"!=typeof r.partIndex&&a.parts&&(r.partIndex=0,i=a.parts[0]);s=this.vhs_.playlists&&this.vhs_.playlists.main&&this.vhs_.playlists.main.independentSegments||this.playlist_.independentSegments,e||!i||s||i.independent||(0===r.partIndex?(e=(n=t[r.mediaIndex-1]).parts&&n.parts.length&&n.parts[n.parts.length-1])&&e.independent&&(--r.mediaIndex,r.partIndex=n.parts.length-1,r.independent="previous segment"):a.parts[r.partIndex-1].independent&&(--r.partIndex,r.independent="previous part")),s=this.mediaSource_&&"ended"===this.mediaSource_.readyState;return r.mediaIndex>=t.length-1&&s&&!this.seeking_()?null:(this.shouldForceTimestampOffsetAfterResync_&&(this.shouldForceTimestampOffsetAfterResync_=!1,r.forceTimestampOffset=!0,this.logger_("choose next request. Force timestamp offset after loader resync")),this.generateSegmentInfo_(r))}getSyncInfoFromMediaSequenceSync_(e){var t;return this.mediaSequenceSync_&&(e!==(t=Math.max(e,this.mediaSequenceSync_.start))&&this.logger_(`getSyncInfoFromMediaSequenceSync_.Pulledtargettimefrom${e}to`+t),e=this.mediaSequenceSync_.getSyncInfoForTime(t))?e.isAppended?(t=this.mediaSequenceSync_.getSyncInfoForTime(e.end))?(t.isAppended&&this.logger_("getSyncInfoFromMediaSequenceSync_: We encounter unexpected scenario where next media sequence sync info is also appended!"),t):null:e:null}generateSegmentInfo_(e){var{independent:e,playlist:t,mediaIndex:i,startOfSegment:s,isSyncRequest:r,partIndex:n,forceTimestampOffset:a,getMediaInfoForTime:o}=e,l=t.segments[i],d="number"==typeof n&&l.parts[n],i={requestId:"segment-loader-"+Math.random(),uri:d&&d.resolvedUri||l.resolvedUri,mediaIndex:i,partIndex:d?n:null,isSyncRequest:r,startOfSegment:s,playlist:t,bytes:null,encryptedBytes:null,timestampOffset:null,timeline:l.timeline,duration:d&&d.duration||l.duration,segment:l,part:d,byteLength:0,transmuxer:this.transmuxer_,getMediaInfoForTime:o,independent:e},n="undefined"!=typeof a?a:this.isPendingTimestampOffset_,r=(i.timestampOffset=this.timestampOffsetForSegment_({segmentTimeline:l.timeline,currentTimeline:this.currentTimeline_,startOfSegment:s,buffered:this.buffered_(),overrideCheck:n}),rd(this.sourceUpdater_.audioBuffered()));return"number"==typeof r&&(i.audioAppendStart=r-this.sourceUpdater_.audioTimestampOffset()),this.sourceUpdater_.videoBuffered().length&&(i.gopsToAlignWith=((e,t,i)=>{if("undefined"==typeof t||null===t||!e.length)return[];var s=Math.ceil((t-i+3)*Ql);let r;for(r=0;r<e.length&&!(e[r].pts>s);r++);return e.slice(r)})(this.gopBuffer_,this.currentTime_()-this.sourceUpdater_.videoTimestampOffset(),this.timeMapping_)),i}timestampOffsetForSegment_(e){return{segmentTimeline:e,currentTimeline:t,startOfSegment:i,buffered:s,overrideCheck:r}=[e][0],r||e!==t?!(e<t)&&s.length?s.end(s.length-1):i:null;var t,i,s,r}earlyAb
${iu(s.uri)}
`+du(s)),e.map&&!e.map.bytes&&(this.logger_("going to request init segment."),this.appendInitSegment_={video:!0,audio:!0}),s.abortRequests=Gh({xhr:this.vhs_.xhr,xhrOptions:this.xhrOptions_,decryptionWorker:this.decrypter_,segment:e,abortFn:this.handleAbort_.bind(this,s),progressFn:this.handleProgress_.bind(this),trackInfoFn:this.handleTrackInfo_.bind(this),timingInfoFn:this.handleTimingInfo_.bind(this),videoSegmentTimingInfoFn:this.handleSegmentTimingInfo_.bind(this,"video",s.requestId),audioSegmentTimingInfoFn:this.handleSegmentTimingInfo_.bind(this,"audio",s.requestId),captionsFn:this.handleCaptions_.bind(this),isEndOfTimeline:t,endedTimelineFn:()=>{this.logger_("received endedtimeline callback")},id3Fn:this.handleId3_.bind(this),dataFn:this.handleData_.bind(this),doneFn:this.segmentRequestFinished_.bind(this),onTransmuxerLog:({message:e,level:t,stream:i})=>{this.logger_(du(s)+`loggedfromtransmuxerstream${i}asa${t}:`+e)},triggerSegmentEventFn:({type:e,segment:t,keyInfo:i,trackInfo:s,timingInfo:r})=>{t={segmentInfo:mu({segment:t})};i&&(t.keyInfo=i),s&&(t.trackInfo=s),r&&(t.timingInfo=r),this.trigger({type:e,metadata:t})}})}trimBackBuffer_(e){var t=((e,t,i)=>{let s=t-O.BACK_BUFFER_LENGTH;return e.length&&(s=Math.max(s,e.start(0))),Math.min(t-i,s)})(this.seekable_(),this.currentTime_(),this.playlist_.targetDuration||10);0<t&&this.remove(0,t)}createSimplifiedSegmentObj_(e){var t=e.segment,i=e.part,s=e.segment.key||e.segment.map&&e.segment.map.key,r=e.segment.map&&!e.segment.map.bytes,i={resolvedUri:(i||t).resolvedUri,byterange:(i||t).byterange,requestId:e.requestId,transmuxer:e.transmuxer,audioAppendStart:e.audioAppendStart,gopsToAlignWith:e.gopsToAlignWith,part:e.part,type:this.loaderType_,start:e.startOfSegment,duration:e.duration,isEncrypted:s,isMediaInitialization:r},s=e.playlist.segments[e.mediaIndex-1];return s&&s.timeline===t.timeline&&(s.videoTimingInfo?i.baseStartTime=s.videoTimingInfo.transmuxedDecodeEnd:s.audioTimingInfo&&(i.baseStartTime=s.audioTimingInfo.transmuxedDecodeEnd)),t.key&&(r=t.key.iv||new Uint32Array([0,0,0,e.mediaIndex+e.playlist.mediaSequence]),i.key=this.segmentKey(t.key),i.key.iv=r),t.map&&(i.map=this.initSegmentForMap(t.map)),i}saveTransferStats_(e){this.mediaRequests+=1,e&&(this.mediaBytesTransferred+=e.bytesReceived,this.mediaTransferDuration+=e.roundTripTime)}saveBandwidthRelatedStats_(e,t){this.pendingSegment_.byteLength=t.bytesReceived,e<1/60?this.logger_("Ignoring segment's bandwidth because its duration of "+e+" is less than the min to record "+1/60):(e={bandwidthInfo:{from:this.bandwidth,to:t.bandwidth}},this.trigger({type:"bandwidthupdated",metadata:e}),this.bandwidth=t.bandwidth,this.roundTrip=t.roundTripTime)}handleTimeout_(){this.mediaRequestsTimedout+=1,this.bandwidth=1,this.roundTrip=NaN,this.trigger("bandwidthupdate"),this.trigger("timeout")}segmentRequestFinished_(e,t,i){if(this.callQueue_.length)this.callQueue_.push(this.segmentRequestFinished_.bind(this,e,t,i));else if(this.saveTransferStats_(t.stats),this.pendingSegment_&&t.requestId===this.pendingSegment_.requestId){if(e)return this.pendingSegment_=null,this.state="READY",e.code===Mh.ABORTED?void 0:(this.pause(),e.code===Mh.TIMEOUT?void this.handleTimeout_():(this.mediaRequestsErrored+=1,this.error(e),void this.trigger("error")));e=this.pendingSegment_;this.saveBandwidthRelatedStats_(e.duration,t.stats),e.endOfAllRequests=t.endOfAllRequests,i.gopInfo&&(this.gopBuffer_=((e,t,i)=>{if(!t.length)return e;if(i)return t.slice();var s=t[0].pts;let r=0;for(r;r<e.length&&!(e[r].pts>=s);r++);return e.slice(0,r).concat(t)})(this.gopBuffer_,i.gopInfo,this.safeAppend_)),this.state="APPENDING",this.trigger("appending"),this.waitForAppendsToComplete_(e)}}setTimeMapping_(e){e=this.syncController_.mappingForTimeline(e);null!==e&&(this.timeMapping_=e)}updateMediaSecondsLoaded_(e){"number"==typeof e.start&&"number"==typeof e.end?this.mediaSecondsLoaded+=e.end-e.start:this.mediaSecondsLoaded+=e.duration}shouldUpdateTransmuxerTimestampOffset_(e){return null!==e&&("main"===this.loaderType_&&e!==this.sourceUpdater_.videoTimestampOffset()
`}return i}(s[i+"Buffered"]());s.logger_(`received"updateend"eventfor${i}SourceBuffer:`,t),s.queuePending[i]&&(t=s.queuePending[i].doneFn,s.queuePending[i]=null,t)&&t(s[i+"Error_"]),bu(i,s)};class ku extends E.EventTarget{constructor(e){super(),this.mediaSource=e,this.sourceopenListener_=()=>bu("mediaSource",this),this.mediaSource.addEventListener("sourceopen",this.sourceopenListener_),this.logger_=ed("SourceUpdater"),this.audioTimestampOffset_=0,this.videoTimestampOffset_=0,this.queue=[],this.queuePending={audio:null,video:null},this.delayedAudioAppendQueue_=[],this.videoAppendQueued_=!1,this.codecs={},this.onVideoUpdateEnd_=Cu("video",this),this.onAudioUpdateEnd_=Cu("audio",this),this.onVideoError_=e=>{this.videoError_=e},this.onAudioError_=e=>{this.audioError_=e},this.createdSourceBuffers_=!1,this.initializedEme_=!1,this.triggeredReady_=!1}initializedEme(){this.initializedEme_=!0,this.triggerReady()}hasCreatedSourceBuffers(){return this.createdSourceBuffers_}hasInitializedAnyEme(){return this.initializedEme_}ready(){return this.hasCreatedSourceBuffers()&&this.hasInitializedAnyEme()}createSourceBuffers(e){this.hasCreatedSourceBuffers()||(this.addOrChangeSourceBuffers(e),this.createdSourceBuffers_=!0,this.trigger("createdsourcebuffers"),this.triggerReady())}triggerReady(){this.ready()&&!this.triggeredReady_&&(this.triggeredReady_=!0,this.trigger("ready"))}addSourceBuffer(e,t){Eu({type:"mediaSource",sourceUpdater:this,action:wu.addSourceBuffer(e,t),name:"addSourceBuffer"})}abort(e){Eu({type:e,sourceUpdater:this,action:wu.abort(e),name:"abort"})}removeSourceBuffer(e){this.canRemoveSourceBuffer()?Eu({type:"mediaSource",sourceUpdater:this,action:wu.removeSourceBuffer(e),name:"removeSourceBuffer"}):E.log.error("removeSourceBuffer is not supported!")}canRemoveSourceBuffer(){return!E.browser.IS_FIREFOX&&window.MediaSource&&window.MediaSource.prototype&&"function"==typeof window.MediaSource.prototype.removeSourceBuffer}static canChangeType(){return window.SourceBuffer&&window.SourceBuffer.prototype&&"function"==typeof window.SourceBuffer.prototype.changeType}canChangeType(){return this.constructor.canChangeType()}changeType(e,t){this.canChangeType()?Eu({type:e,sourceUpdater:this,action:wu.changeType(t),name:"changeType"}):E.log.error("changeType is not supported!")}addOrChangeSourceBuffers(i){if(!i||"object"!=typeof i||0===Object.keys(i).length)throw new Error("Cannot addOrChangeSourceBuffers to undefined codecs");Object.keys(i).forEach(e=>{var t=i[e];if(!this.hasCreatedSourceBuffers())return this.addSourceBuffer(e,t);this.canChangeType()&&this.changeType(e,t)})}appendBuffer(e,t){var{segmentInfo:i,type:s,bytes:r}=e;this.processedAppend_=!0,"audio"===s&&this.videoBuffer&&!this.videoAppendQueued_?(this.delayedAudioAppendQueue_.push([e,t]),this.logger_(`delayedaudioappendof${r.length}untilvideoappend`)):(e=t,Eu({type:s,sourceUpdater:this,action:wu.appendBuffer(r,i||{mediaIndex:-1},e),doneFn:t,name:"appendBuffer"}),"video"===s&&(this.videoAppendQueued_=!0,this.delayedAudioAppendQueue_.length)&&(r=this.delayedAudioAppendQueue_.slice(),this.logger_(`queuingdelayedaudio${r.length}appendBuffers`),this.delayedAudioAppendQueue_.length=0,r.forEach(e=>{this.appendBuffer.apply(this,e)})))}audioBuffered(){return Su(this.mediaSource,this.audioBuffer)&&this.audioBuffer.buffered||td()}videoBuffered(){return Su(this.mediaSource,this.videoBuffer)&&this.videoBuffer.buffered||td()}buffered(){var e=Su(this.mediaSource,this.videoBuffer)?this.videoBuffer:null,t=Su(this.mediaSource,this.audioBuffer)?this.audioBuffer:null;if(t&&!e)return this.audioBuffered();if(e&&!t)return this.videoBuffered();{var r=this.audioBuffered();var n=this.videoBuffered();let e=null,t=null,i=0;var a=[],o=[];if(!(r&&r.length&&n&&n.length))return td();let s=r.length;for(;s--;)a.push({time:r.start(s),type:"start"}),a.push({time:r.end(s),type:"end"});for(s=n.length;s--;)a.push({time:n.start(s),type:"start"}),a.push({time:n.end(s),type:"end"});for(a.sort(function(e,t){return e.time-t.time}),s=0;s<a.length;s++)"start"===a[s].type?2===++i&&(e=a[s].time):"end"===a[s
/*! @name aes-decrypter @version 4.0.1 @license Apache-2.0 */s(null,(e=a).subarray(0,e.byteLength-e[e.byteLength-1]))})}staticgetSTEP(){return32e3}decryptChunk_(t,i,s,r){returnfunction(){vare=function(e,t,i){vars,r,n,a,o=newInt32Array(e.buffer,e.byteOffset,e.byteLength>>2),l=newg(Array.prototype.slice.call(t)),t=newUint8Array(e.byteLength),d=newInt32Array(t.buffer);leth,u,c,p,m;for(h=i[0],u=i[1],c=i[2],p=i[3],m=0;m<o.length;m+=4)s=f(o[m]),r=f(o[m+1]),n=f(o[m+2]),a=f(o[m+3]),l.decrypt(s,r,n,a,d,m),d[m]=f(d[m]^h),d[m+1]=f(d[m+1]^u),d[m+2]=f(d[m+2]^c),d[m+3]=f(d[m+3]^p),h=s,u=r,c=n,p=a;returnt}(t,i,s);r.set(e,t.byteOffset)}}}vart="undefined"!=typeofglobalThis?globalThis:"undefined"!=typeofwindow?window:"undefined"!=typeofglobal?global:"undefined"!=typeofself?self:{},t="undefined"!=typeofwindow?window:"undefined"!=typeoft?t:"undefined"!=typeofself?self:{},t=t.BigInt||Number;t("0x1"),t("0x100"),t("0x10000"),t("0x1000000"),t("0x100000000"),t("0x10000000000"),t("0x1000000000000"),t("0x100000000000000"),t("0x10000000000000000"),t=newUint16Array([65484]),255!==(t=newUint8Array(t.buffer,t.byteOffset,t.byteLength))[0]&&t[0];functionr(s){constr={};returnObject.keys(s).forEach(e=>{vart,i=s[e];t=i,("function"===ArrayBuffer.isView?ArrayBuffer.isView(t):t&&t.bufferinstanceofArrayBuffer)?r[e]={bytes:i.buffer,byteOffset:i.byteOffset,byteLength:i.byteLength}:r[e]=i}),r}self.onmessage=function(e){consti=e.data;vare=newUint8Array(i.encrypted.bytes,i.encrypted.byteOffset,i.encrypted.byteLength),t=newUint32Array(i.key.bytes,i.key.byteOffset,i.key.byteLength/4),s=newUint32Array(i.iv.bytes,i.iv.byteOffset,i.iv.byteLength/4);newd(e,t,s,function(e,t){self.postMessage(r({source:i.source,decrypted:t}),[t.buffer])})}})));constFu=(e,t)=>{e.abort(),e.pause(),t&&t.activePlaylistLoader&&(t.activePlaylistLoader.pause(),t.activePlaylistLoader=null)},qu=(e,t)=>{(t.activePlaylistLoader=e).load()},ju={AUDIO:(a,o)=>()=>{var{mediaTypes:{[a]:e},excludePlaylist:t}=o,i=e.activeTrack(),s=e.activeGroup(),s=(s.filter(e=>e.default)[0]||s[0]).id,r=e.tracks[s];if(i===r)t({error:{message:"Problem encountered loading the default audio track."}});else{E.log.warn("Problem encountered loading the alternate audio track.Switching back to default.");for(constnine.tracks)e.tracks[n].enabled=e.tracks[n]===r;e.onTrackChanged()}},SUBTITLES:(i,s)=>()=>{var{[i]:e}=s["mediaTypes"],t=(E.log.warn("Problem encountered loading the subtitle track.Disabling subtitle track."),e.activeTrack());t&&(t.mode="disabled"),e.onTrackChanged()}},Hu={AUDIO:(e,t,i)=>{if(!t)return;const{tech:s,requestOptions:r,segmentLoaders:{[e]:n}}=i;t.on("loadedmetadata",()=>{vare=t.media();n.playlist(e,r),(!s.paused()||e.endList&&"none"!==s.preload())&&n.load()}),t.on("loadedplaylist",()=>{n.playlist(t.media(),r),s.paused()||n.load()}),t.on("error",ju[e](e,i))},SUBTITLES:(e,t,i)=>{const{tech:s,requestOptions:r,segmentLoaders:{[e]:n},mediaTypes:{[e]:a}}=i;t.on("loadedmetadata",()=>{vare=t.media();n.playlist(e,r),n.track(a.activeTrack()),(!s.paused()||e.endList&&"none"!==s.preload())&&n.load()}),t.on("loadedplaylist",()=>{n.playlist(t.media(),r),s.paused()||n.load()}),t.on("error",ju[e](e,i))}},Vu={AUDIO:(i,s)=>{varr,{vhs:n,sourceType:a,segmentLoaders:{[i]:e},requestOptions:o,main:{mediaGroups:l},mediaTypes:{[i]:{groups:d,tracks:h,logger_:u}},mainPlaylistLoader:c}=s,p=Ad(c.main);l[i]&&0!==Object.keys(l[i]).length||(l[i]={main:{default:{default:!0}}},p&&(l[i].main.default.playlists=c.main.playlists));for(constminl[i]){d[m]||(d[m]=[]);for(constginl[i][m]){lete=l[i][m][g],t;t=p?(u(`AUDIO group '${m}' label '${g}' is a main playlist`),e.isMainPlaylist=!0,null):"vhs-json"===a&&e.playlists?newWd(e.playlists[0],n,o):e.resolvedUri?newWd(e.resolvedUri,n,o):e.playlists&&"dash"===a?newmh(e.playlists[0],n,o,c):null,e=L({id:g,playlistLoader:t},e),Hu[i](i,e.playlistLoader,s),d[m].push(e),"undefined"==typeofh[g]&&(r=newE.AudioTrack({id:g,kind:(e=>{lett=e.default?"main":"alternative";returnt=e.characteristics&&0<=e.characteristics.indexOf("public.accessibility.describes-video")?"
