hls.light.min.js

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r=t[e+1]>>3&3,a=t[e+1]>>1&3,n=t[e+2]>>4&15,o=t[e+2]>>2&3,s=t[e+2]>>1&1;if(1!==r&&0!==n&&15!==n&&3!==o){var l=3===r?3-a:3===a?3:4,u=1e3*i.BitratesMap[14*l+n-1],d=3===r?0:2===r?1:2,f=i.SamplingRateMap[3*d+o],c=t[e+3]>>6==3?1:2,h=i.SamplesCoefficients[r][a],p=i.BytesInSlot[a],v=8*h*p;return{sampleRate:f,channelCount:c,frameLength:parseInt(h*u/f+s,10)*p,samplesPerFrame:v}}},isHeaderPattern:function(t,e){return 255===t[e]&&224==(224&t[e+1])&&0!=(6&t[e+1])},isHeader:function(t,e){return!!(e+1<t.length&&this.isHeaderPattern(t,e))},probe:function(t,e){if(e+1<t.length&&this.isHeaderPattern(t,e)){var r=this.parseHeader(t,e),i=4;r&&r.frameLength&&(i=r.frameLength);var a=e+i;if(a===t.length||a+1<t.length&&this.isHeaderPattern(t,a))return!0}return!1}};e.a=i},function(t,e,r){"use strict";function i(t,e,r){switch(e){case"audio":t.audioGroupIds||(t.audioGroupIds=[]),t.audioGroupIds.push(r);break;case"text":t.textGroupIds||(t.textGroupIds=[]),t.textGroupIds.push(r)}}function a(t,e,r){var i=t[e],a=t[r],n=a.startPTS;isNaN(n)?a.start=r>e?i.start+i.duration:Math.max(i.start-a.duration,0):r>e?(i.duration=n-i.start,i.duration<0&&s.b.warn("negative duration computed for frag "+i.sn+",level "+i.level+", there should be some duration drift between playlist and fragment!")):(a.duration=i.start-n,a.duration<0&&s.b.warn("negative duration computed for frag "+a.sn+",level "+a.level+", there should be some duration drift between playlist and fragment!"))}function n(t,e,r,i,n,o){var s=r;if(!isNaN(e.startPTS)){var l=Math.abs(e.startPTS-r);isNaN(e.deltaPTS)?e.deltaPTS=l:e.deltaPTS=Math.max(l,e.deltaPTS),s=Math.max(r,e.startPTS),r=Math.min(r,e.startPTS),i=Math.max(i,e.endPTS),n=Math.min(n,e.startDTS),o=Math.max(o,e.endDTS)}var u=r-e.start;e.start=e.startPTS=r,e.maxStartPTS=s,e.endPTS=i,e.startDTS=n,e.endDTS=o,e.duration=i-r;var d=e.sn;if(!t||d<t.startSN||d>t.endSN)return 0;var f=void 0,c=void 0,h=void 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t=this,e=t.levels,r=t.config.minAutoBitrate,i=e?e.length:0,a=0;a<i;a++){if((e[a].realBitrate?Math.max(e[a].realBitrate,e[a].bitrate):e[a].bitrate)>r)return a}return 0}},{key:"maxAutoLevel",get:function(){var t=this,e=t.levels,r=t.autoLevelCapping;return-1===r&&e&&e.length?e.length-1:r}},{key:"nextAutoLevel",get:function(){var t=this;return Math.min(Math.max(t.abrController.nextAutoLevel,t.minAutoLevel),t.maxAutoLevel)},set:function(t){var e=this;e.abrController.nextAutoLevel=Math.max(e.minAutoLevel,t)}},{key:"audioTracks",get:function(){var t=this.audioTrackController;return t?t.audioTracks:[]}},{key:"audioTrack",get:function(){var t=this.audioTrackController;return t?t.audioTrack:-1},set:function(t){var e=this.audioTrackController;e&&(e.audioTrack=t)}},{key:"liveSyncPosition",get:function(){return this.streamController.liveSyncPosition}},{key:"subtitleTracks",get:function(){var t=this.subtitleTrackController;return t?t.subtitleTracks:[]}},{key:"subtitleTrack",get:function(){var t=this.subtitleTrackController;return t?t.subtitleTrack:-1},set:function(t){var e=this.subtitleTrackController;e&&(e.subtitleTrack=t)}},{key:"subtitleDisplay",get:function(){var t=this.subtitleTrackController;return!!t&&t.subtitleDisplay},set:function(t){var e=this.subtitleTrackController;e&&(e.subtitleDisplay=t)}}]),t}();e.default=T},function(t,e,r){"use strict";function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var a=r(6),n=r.n(a),o=r(14),s=r(15),l=r(25),u=r(0),d=r(16),f=/#EXT-X-STREAM-INF:([^\n\r]*)[\r\n]+([^\r\n]+)/g,c=/#EXT-X-MEDIA:(.*)/g,h=new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source,/|(?!#)(\S+)/.source,/|#EXT-X-BYTERANGE:*(.+)/.source,/|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source,/|#.*/.source].join(""),"g"),p=/(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\d+))|(?:#EXT-X-(TARGETDURATION): 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s=o.decimalResolution("RESOLUTION");s&&(n.width=s.width,n.height=s.height),n.bitrate=o.decimalInteger("AVERAGE-BANDWIDTH")||o.decimalInteger("BANDWIDTH"),n.name=o.NAME,function(t,e){["video","audio"].forEach(function(r){var i=t.filter(function(t){return Object(d.b)(t,r)});if(i.length){var a=i.filter(function(t){return 0===t.lastIndexOf("avc1",0)||0===t.lastIndexOf("mp4a",0)});e[r+"Codec"]=a.length>0?a[0]:i[0],t=t.filter(function(t){return-1===i.indexOf(t)})}}),e.unknownCodecs=t}([].concat((o.CODECS||"").split(/[ ,]+/)),n),n.videoCodec&&-1!==n.videoCodec.indexOf("avc1")&&(n.videoCodec=t.convertAVC1ToAVCOTI(n.videoCodec)),i.push(n)}return i},t.parseMasterPlaylistMedia=function(e,r,i){var a=arguments.length>3&&void 0!==arguments[3]?arguments[3]:[],n=void 0,o=[],s=0;for(c.lastIndex=0;null!==(n=c.exec(e));){var u={},d=new l.a(n[1]);if(d.TYPE===i){if(u.groupId=d["GROUP-ID"],u.name=d.NAME,u.type=i,u.default="YES"===d.DEFAULT,u.autoselect="YES"===d.AUTOSELECT,u.forced="YES"===d.FORCED,d.URI&&(u.url=t.resolve(d.URI,r)),u.lang=d.LANGUAGE,u.name||(u.name=u.lang),a.length){var f=t.findGroup(a,u.groupId);u.audioCodec=f?f.codec:a[0].codec}u.id=s++,o.push(u)}}return o},t.parseLevelPlaylist=function(t,e,r,i,a){var n=0,d=0,f={type:null,version:null,url:e,fragments:[],live:!0,startSN:0},c=new s.a,g=0,m=null,y=new o.a,b=void 0,E=void 0;for(h.lastIndex=0;null!==(b=h.exec(t));){var T=b[1];if(T){y.duration=parseFloat(T);var S=(" "+b[2]).slice(1);y.title=S||null,y.tagList.push(S?["INF",T,S]:["INF",T])}else if(b[3]){if(!isNaN(y.duration)){var A=n++;y.type=i,y.start=d,y.levelkey=c,y.sn=A,y.level=r,y.cc=g,y.urlId=a,y.baseurl=e,y.relurl=(" 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y=m,y&&!y.relurl&&(f.fragments.pop(),d-=y.duration),f.totalduration=d,f.averagetargetduration=d/f.fragments.length,f.endSN=n-1,f.startCC=f.fragments[0]?f.fragments[0].cc:0,f.endCC=g,!f.initSegment&&f.fragments.length&&f.fragments.every(function(t){return v.test(t.relurl)})&&(u.b.warn("MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX"),y=new o.a,y.relurl=f.fragments[0].relurl,y.baseurl=e,y.level=r,y.type=i,y.sn="initSegment",f.initSegment=y,f.needSidxRanges=!0),f},t}();e.a=g},function(t,e,r){"use strict";function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var a=/^(\d+)x(\d+)$/,n=/\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g,o=function(){function t(e){i(this,t),"string"==typeof e&&(e=t.parseAttrList(e));for(var r in e)e.hasOwnProperty(r)&&(this[r]=e[r])}return t.prototype.decimalInteger=function(t){var e=parseInt(this[t],10);return 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l=void 0,d=void 0,f=void 0;l={url:e.url,frag:e,responseType:"arraybuffer",progressData:!1};var c=e.byteRangeStartOffset,h=e.byteRangeEndOffset;isNaN(c)||isNaN(h)||(l.rangeStart=c,l.rangeEnd=h),d={timeout:a.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:a.fragLoadingMaxRetryTimeout},f={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this),onProgress:this.loadprogress.bind(this)},s.load(l,d,f)},e.prototype.loadsuccess=function(t,e,r){var i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,a=t.data,n=r.frag;n.loader=void 0,this.loaders[n.type]=void 0,this.hls.trigger(o.a.FRAG_LOADED,{payload:a,frag:n,stats:e,networkDetails:i})},e.prototype.loaderror=function(t,e){var r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,i=e.frag,a=i.loader;a&&a.abort(),this.loaders[i.type]=void 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n(e,t),e.prototype.onHandlerDestroying=function(){this.stopLoad(),t.prototype.onHandlerDestroying.call(this)},e.prototype.onHandlerDestroyed=function(){this.state=S.STOPPED,this.fragmentTracker=null,t.prototype.onHandlerDestroyed.call(this)},e.prototype.startLoad=function(t){if(this.levels){var e=this.lastCurrentTime,r=this.hls;if(this.stopLoad(),this.setInterval(100),this.level=-1,this.fragLoadError=0,!this.startFragRequested){var i=r.startLevel;-1===i&&(i=0,this.bitrateTest=!0),this.level=r.nextLoadLevel=i,this.loadedmetadata=!1}e>0&&-1===t&&(g.b.log("override startPosition with lastCurrentTime @"+e.toFixed(3)),t=e),this.state=S.IDLE,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()}else this.forceStartLoad=!0,this.state=S.STOPPED},e.prototype.stopLoad=function(){var t=this.fragCurrent;t&&(t.loader&&t.loader.abort(),this.fragmentTracker.removeFragment(t),this.fragCurrent=null),this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.clearInterval(),this.state=S.STOPPED,this.forceStartLoad=!1},e.prototype.doTick=function(){switch(this.state){case S.BUFFER_FLUSHING:this.fragLoadError=0;break;case S.IDLE:this._doTickIdle();break;case S.WAITING_LEVEL:var t=this.levels[this.level];t&&t.details&&(this.state=S.IDLE);break;case S.FRAG_LOADING_WAITING_RETRY:var e=window.performance.now(),r=this.retryDate;(!r||e>=r||this.media&&this.media.seeking)&&(g.b.log("mediaController: retryDate reached, switch back to IDLE state"),this.state=S.IDLE);break;case S.ERROR:case S.STOPPED:case S.FRAG_LOADING:case S.PARSING:case S.PARSED:case S.ENDED:}this._checkBuffer(),this._checkFragmentChanged()},e.prototype._doTickIdle=function(){var t=this.hls,e=t.config,r=this.media;if(void 0!==this.levelLastLoaded&&(r||!this.startFragRequested&&e.startFragPrefetch)){var i=void 0;i=this.loadedmetadata?r.currentTime:this.nextLoadPosition;var a=t.nextLoadLevel,n=this.levels[a];if(n){var o=n.bitrate,l=void 0;l=o?Math.max(8*e.maxBufferSize/o,e.maxBufferLength):e.maxBufferLength,l=Math.min(l,e.maxMaxBufferLength);var d=s.a.bufferInfo(this.mediaBuffer?this.mediaBuffer:r,i,e.maxBufferHole),f=d.len;if(!(f>=l)){g.b.trace("buffer length of "+f.toFixed(3)+" is below max of "+l.toFixed(3)+". checking for more payload ..."),this.level=t.nextLoadLevel=a;var c=n.details;if(!c||c.live&&this.levelLastLoaded!==a)return void(this.state=S.WAITING_LEVEL);var h=this.fragPrevious;if(!c.live&&h&&!h.backtracked&&h.sn===c.endSN&&!d.nextStart){if(Math.min(r.duration,h.start+h.duration)-Math.max(d.end,h.start)<=Math.max(.2,h.duration)){var p={};return this.altAudio&&(p.type="video"),this.hls.trigger(u.a.BUFFER_EOS,p),void(this.state=S.ENDED)}}this._fetchPayloadOrEos(i,d,c)}}}},e.prototype._fetchPayloadOrEos=function(t,e,r){var i=this.fragPrevious,a=this.level,n=r.fragments,o=n.length;if(0!==o){var s=n[0].start,l=n[o-1].start+n[o-1].duration,u=e.end,d=void 0;if(r.initSegment&&!r.initSegment.data)d=r.initSegment;else if(r.live){var f=this.config.initialLiveManifestSize;if(o<f)return void g.b.warn("Can not start playback of a level, reason: not enough fragments "+o+" < "+f);if(null===(d=this._ensureFragmentAtLivePoint(r,u,s,l,i,n,o)))return}else u<s&&(d=n[0]);d||(d=this._findFragment(s,i,o,n,u,l,r)),d&&(d.encrypted?(g.b.log("Loading key for "+d.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+a),this._loadKey(d)):(g.b.log("Loading "+d.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+a+", currentTime:"+t.toFixed(3)+",bufferEnd:"+u.toFixed(3)),this._loadFragment(d)))}},e.prototype._ensureFragmentAtLivePoint=function(t,e,r,i,a,n,s){var l=this.hls.config,u=this.media,d=void 0,f=void 0!==l.liveMaxLatencyDuration?l.liveMaxLatencyDuration:l.liveMaxLatencyDurationCount*t.targetduration;if(e<Math.max(r-l.maxFragLookUpTolerance,i-f)){var c=this.liveSyncPosition=this.computeLivePosition(r,t);g.b.log("buffer end: "+e.toFixed(3)+" is located too far from the end of live sliding playlist, reset currentTime to : "+c.toFixed(3)),e=c,u&&u.readyState&&u.duration>c&&(u.currentTime=c),this.nextLoadPosition=c}if(t.PTSKnown&&e>i&&u&&u.readyState)return null;if(this.startFragRequested&&!t.PTSKnown){if(a)if(t.programDateTime)d=Object(b.b)(n,a.endPdt+1);else{var h=a.sn+1;if(h>=t.startSN&&h<=t.endSN){var p=n[h-t.startSN];a.cc===p.cc&&(d=p,g.b.log("live playlist, switching playlist, load frag with next SN: "+d.sn))}d||(d=o.a.search(n,function(t){return a.cc-t.cc}))&&g.b.log("live playlist, switching playlist, load frag with same CC: "+d.sn)}d||(d=n[Math.min(s-1,Math.round(s/2))],g.b.log("live playlist, switching playlist, unknown, load middle frag : "+d.sn))}return d},e.prototype._findFragment=function(t,e,r,i,a,n,o){var s=this.hls.config,l=void 0,u=void 0;if(a<n?o.programDateTime?(u=Object(b.b)(i,Object(b.a)(t,a,o)))&&!Object(b.d)(a,s.maxFragLookUpTolerance,u)||(g.b.warn("Frag found by PDT search did not fit within tolerance; falling back to finding by SN"),u=function(){return Object(b.c)(e,i,a,n,s.maxFragLookUpTolerance)}()):u=Object(b.c)(e,i,a,n,s.maxFragLookUpTolerance):u=i[r-1],u){l=u;var d=l.sn-o.startSN,f=e&&l.level===e.level,c=i[d-1],h=i[d+1];if(e&&l.sn===e.sn)if(f&&!l.backtracked)if(l.sn<o.endSN){var p=e.deltaPTS;p&&p>s.maxBufferHole&&e.dropped&&d?(l=c,g.b.warn("SN just loaded, with large PTS gap between audio and video, maybe frag is not starting with a keyframe ? load previous one to try to overcome this")):(l=h,g.b.log("SN just loaded, load next one: "+l.sn))}else l=null;else l.backtracked&&(h&&h.backtracked?(g.b.warn("Already backtracked from fragment "+h.sn+", will not backtrack to fragment "+l.sn+". Loading fragment "+h.sn),l=h):(g.b.warn("Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe"),l.dropped=0,c?(l=c,l.backtracked=!0):d&&(l=null)))}return l},e.prototype._loadKey=function(t){this.state=S.KEY_LOADING,this.hls.trigger(u.a.KEY_LOADING,{frag:t})},e.prototype._loadFragment=function(t){var e=this.fragmentTracker.getState(t);this.fragCurrent=t,this.startFragRequested=!0,isNaN(t.sn)||t.bitrateTest||(this.nextLoadPosition=t.start+t.duration),t.backtracked||e===d.a.NOT_LOADED||e===d.a.PARTIAL?(t.autoLevel=this.hls.autoLevelEnabled,t.bitrateTest=this.bitrateTest,this.hls.trigger(u.a.FRAG_LOADING,{frag:t}),this.demuxer||(this.demuxer=new l.a(this.hls,"main")),this.state=S.FRAG_LOADING):e===d.a.APPENDING&&this._reduceMaxBufferLength(t.duration)&&this.fragmentTracker.removeFragment(t)},e.prototype.getBufferedFrag=function(t){return this.fragmentTracker.getBufferedFrag(t,c.a.LevelType.MAIN)},e.prototype.followingBufferedFrag=function(t){return t?this.getBufferedFrag(t.endPTS+.5):null},e.prototype._checkFragmentChanged=function(){var t=void 0,e=void 0,r=this.media;if(r&&r.readyState&&!1===r.seeking&&(e=r.currentTime,e>this.lastCurrentTime&&(this.lastCurrentTime=e),s.a.isBuffered(r,e)?t=this.getBufferedFrag(e):s.a.isBuffered(r,e+.1)&&(t=this.getBufferedFrag(e+.1)),t)){var i=t;if(i!==this.fragPlaying){this.hls.trigger(u.a.FRAG_CHANGED,{frag:i});var a=i.level;this.fragPlaying&&this.fragPlaying.level===a||this.hls.trigger(u.a.LEVEL_SWITCHED,{level:a}),this.fragPlaying=i}}},e.prototype.immediateLevelSwitch=function(){if(g.b.log("immediateLevelSwitch"),!this.immediateSwitch){this.immediateSwitch=!0;var t=this.media,e=void 0;t?(e=t.paused,t.pause()):e=!0,this.previouslyPaused=e}var r=this.fragCurrent;r&&r.loader&&r.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},e.prototype.immediateLevelSwitchEnd=function(){var t=this.media;t&&t.buffered.length&&(this.immediateSwitch=!1,s.a.isBuffered(t,t.currentTime)&&(t.currentTime-=1e-4),this.previouslyPaused||t.play())},e.prototype.nextLevelSwitch=function(){var t=this.media;if(t&&t.readyState){var e=void 0,r=void 0,i=void 0;if(r=this.getBufferedFrag(t.currentTime),r&&r.startPTS>1&&this.flushMainBuffer(0,r.startPTS-1),t.paused)e=0;else{var a=this.hls.nextLoadLevel,n=this.levels[a],o=this.fragLastKbps;e=o&&this.fragCurrent?this.fragCurrent.duration*n.bitrate/(1e3*o)+1:0}if((i=this.getBufferedFrag(t.currentTime+e))&&(i=this.followingBufferedFrag(i))){var s=this.fragCurrent;s&&s.loader&&s.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(i.maxStartPTS,Number.POSITIVE_INFINITY)}}},e.prototype.flushMainBuffer=function(t,e){this.state=S.BUFFER_FLUSHING;var r={startOffset:t,endOffset:e};this.altAudio&&(r.type="video"),this.hls.trigger(u.a.BUFFER_FLUSHING,r)},e.prototype.onMediaAttached=function(t){var e=this.media=this.mediaBuffer=t.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),this.onvended=this.onMediaEnded.bind(this),e.addEventListener("seeking",this.onvseeking),e.addEventListener("seeked",this.onvseeked),e.addEventListener("ended",this.onvended);var r=this.config;this.levels&&r.autoStartLoad&&this.hls.startLoad(r.startPosition),this.gapController=new E.a(r,e,this.fragmentTracker,this.hls)},e.prototype.onMediaDetaching=function(){var t=this.media;t&&t.ended&&(g.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var e=this.levels;e&&e.forEach(function(t){t.details&&t.details.fragments.forEach(function(t){t.backtracked=void 0})}),t&&(t.removeEventListener("seeking",this.onvseeking),t.removeEventListener("seeked",this.onvseeked),t.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.stopLoad()},e.prototype.onMediaSeeking=function(){var t=this.media,e=t?t.currentTime:void 0,r=this.config;isNaN(e)||g.b.log("media seeking to "+e.toFixed(3));var i=this.mediaBuffer?this.mediaBuffer:t,a=s.a.bufferInfo(i,e,this.config.maxBufferHole);if(this.state===S.FRAG_LOADING){var n=this.fragCurrent;if(0===a.len&&n){var o=r.maxFragLookUpTolerance,l=n.start-o,u=n.start+n.duration+o;e<l||e>u?(n.loader&&(g.b.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),n.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.state=S.IDLE):g.b.log("seeking outside of buffer but within currently loaded fragment range")}}else this.state===S.ENDED&&(0===a.len&&(this.fragPrevious=0),this.state=S.IDLE);t&&(this.lastCurrentTime=e),this.loadedmetadata||(this.nextLoadPosition=this.startPosition=e),this.tick()},e.prototype.onMediaSeeked=function(){var t=this.media,e=t?t.currentTime:void 0;isNaN(e)||g.b.log("media seeked to "+e.toFixed(3)),this.tick()},e.prototype.onMediaEnded=function(){g.b.log("media ended"),this.startPosition=this.lastCurrentTime=0},e.prototype.onManifestLoading=function(){g.b.log("trigger BUFFER_RESET"),this.hls.trigger(u.a.BUFFER_RESET),this.fragmentTracker.removeAllFragments(),this.stalled=!1,this.startPosition=this.lastCurrentTime=0},e.prototype.onManifestParsed=function(t){var e=!1,r=!1,i=void 0;t.levels.forEach(function(t){(i=t.audioCodec)&&(-1!==i.indexOf("mp4a.40.2")&&(e=!0),-1!==i.indexOf("mp4a.40.5")&&(r=!0))}),this.audioCodecSwitch=e&&r,this.audioCodecSwitch&&g.b.log("both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.levels=t.levels,this.startFragRequested=!1;var a=this.config;(a.autoStartLoad||this.forceStartLoad)&&this.hls.startLoad(a.startPosition)},e.prototype.onLevelLoaded=function(t){var e=t.details,r=t.level,i=this.levels[this.levelLastLoaded],a=this.levels[r],n=e.totalduration,o=0;if(g.b.log("level "+r+" loaded ["+e.startSN+","+e.endSN+"],duration:"+n),e.live){var s=a.details;s&&e.fragments.length>0?(h.b(s,e),o=e.fragments[0].start,this.liveSyncPosition=this.computeLivePosition(o,s),e.PTSKnown&&!isNaN(o)?g.b.log("live playlist sliding:"+o.toFixed(3)):(g.b.log("live playlist - outdated PTS, unknown sliding"),Object(m.a)(this.fragPrevious,i,e))):(g.b.log("live playlist - first load, unknown sliding"),e.PTSKnown=!1,Object(m.a)(this.fragPrevious,i,e))}else e.PTSKnown=!1;if(a.details=e,this.levelLastLoaded=r,this.hls.trigger(u.a.LEVEL_UPDATED,{details:e,level:r}),!1===this.startFragRequested){if(-1===this.startPosition||-1===this.lastCurrentTime){var l=e.startTimeOffset;isNaN(l)?e.live?(this.startPosition=this.computeLivePosition(o,e),g.b.log("configure startPosition to "+this.startPosition)):this.startPosition=0:(l<0&&(g.b.log("negative start time offset "+l+", count from end of last fragment"),l=o+n+l),g.b.log("start time offset found in playlist, adjust startPosition to "+l),this.startPosition=l),this.lastCurrentTime=this.startPosition}this.nextLoadPosition=this.startPosition}this.state===S.WAITING_LEVEL&&(this.state=S.IDLE),this.tick()},e.prototype.onKeyLoaded=function(){this.state===S.KEY_LOADING&&(this.state=S.IDLE,this.tick())},e.prototype.onFragLoaded=function(t){var e=this.fragCurrent,r=t.frag;if(this.state===S.FRAG_LOADING&&e&&"main"===r.type&&r.level===e.level&&r.sn===e.sn){var i=t.stats,a=this.levels[e.level],n=a.details;if(g.b.log("Loaded  "+e.sn+" of ["+n.startSN+" ,"+n.endSN+"],level "+e.level),this.bitrateTest=!1,this.stats=i,!0===r.bitrateTest&&this.hls.nextLoadLevel)this.state=S.IDLE,this.startFragRequested=!1,i.tparsed=i.tbuffered=window.performance.now(),this.hls.trigger(u.a.FRAG_BUFFERED,{stats:i,frag:e,id:"main"}),this.tick();else if("initSegment"===r.sn)this.state=S.IDLE,i.tparsed=i.tbuffered=window.performance.now(),n.initSegment.data=t.payload,this.hls.trigger(u.a.FRAG_BUFFERED,{stats:i,frag:e,id:"main"}),this.tick();else{this.state=S.PARSING;var o=n.totalduration,s=e.level,d=e.sn,f=this.config.defaultAudioCodec||a.audioCodec;this.audioCodecSwap&&(g.b.log("swapping playlist audio codec"),void 0===f&&(f=this.lastAudioCodec),f&&(f=-1!==f.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),this.pendingBuffering=!0,this.appended=!1,g.b.log("Parsing "+d+" of ["+n.startSN+" ,"+n.endSN+"],level "+s+", cc "+e.cc);var c=this.demuxer;c||(c=this.demuxer=new l.a(this.hls,"main"));var h=this.media,p=h&&h.seeking,v=!p&&(n.PTSKnown||!n.live),m=n.initSegment?n.initSegment.data:[];c.push(t.payload,m,f,a.videoCodec,e,o,v,void 0)}}this.fragLoadError=0},e.prototype.onFragParsingInitSegment=function(t){var e=this.fragCurrent,r=t.frag;if(e&&"main"===t.id&&r.sn===e.sn&&r.level===e.level&&this.state===S.PARSING){var i=t.tracks,a=void 0,n=void 0;if(i.audio&&this.altAudio&&delete i.audio,n=i.audio){var o=this.levels[this.level].audioCodec,s=navigator.userAgent.toLowerCase();o&&this.audioCodecSwap&&(g.b.log("swapping playlist audio codec"),o=-1!==o.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch&&1!==n.metadata.channelCount&&-1===s.indexOf("firefox")&&(o="mp4a.40.5"),-1!==s.indexOf("android")&&"audio/mpeg"!==n.container&&(o="mp4a.40.2",g.b.log("Android: force audio codec to "+o)),n.levelCodec=o,n.id=t.id}n=i.video,n&&(n.levelCodec=this.levels[this.level].videoCodec,n.id=t.id),this.hls.trigger(u.a.BUFFER_CODECS,i);for(a in i){n=i[a],g.b.log("main track:"+a+",container:"+n.container+",codecs[level/parsed]=["+n.levelCodec+"/"+n.codec+"]");var l=n.initSegment;l&&(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(u.a.BUFFER_APPENDING,{type:a,data:l,parent:"main",content:"initSegment"}))}this.tick()}},e.prototype.onFragParsingData=function(t){var e=this,r=this.fragCurrent,i=t.frag;if(r&&"main"===t.id&&i.sn===r.sn&&i.level===r.level&&("audio"!==t.type||!this.altAudio)&&this.state===S.PARSING){var a=this.levels[this.level],n=r;if(isNaN(t.endPTS)&&(t.endPTS=t.startPTS+r.duration,t.endDTS=t.startDTS+r.duration),!0===t.hasAudio&&n.addElementaryStream(f.a.ElementaryStreamTypes.AUDIO),!0===t.hasVideo&&n.addElementaryStream(f.a.ElementaryStreamTypes.VIDEO),g.b.log("Parsed "+t.type+",PTS:["+t.startPTS.toFixed(3)+","+t.endPTS.toFixed(3)+"],DTS:["+t.startDTS.toFixed(3)+"/"+t.endDTS.toFixed(3)+"],nb:"+t.nb+",dropped:"+(t.dropped||0)),"video"===t.type)if(n.dropped=t.dropped,n.dropped)if(n.backtracked)g.b.warn("Already backtracked on this fragment, appending with the gap",n.sn);else{var o=a.details;if(!o||n.sn!==o.startSN)return g.b.warn("missing video frame(s), backtracking fragment",n.sn),this.fragmentTracker.removeFragment(n),n.backtracked=!0,this.nextLoadPosition=t.startPTS,this.state=S.IDLE,this.fragPrevious=n,void this.tick();g.b.warn("missing video frame(s) on first frag, appending with gap",n.sn)}else n.backtracked=!1;var s=h.c(a.details,n,t.startPTS,t.endPTS,t.startDTS,t.endDTS),l=this.hls;l.trigger(u.a.LEVEL_PTS_UPDATED,{details:a.details,level:this.level,drift:s,type:t.type,start:t.startPTS,end:t.endPTS}),[t.data1,t.data2].forEach(function(r){r&&r.length&&e.state===S.PARSING&&(e.appended=!0,e.pendingBuffering=!0,l.trigger(u.a.BUFFER_APPENDING,{type:t.type,data:r,parent:"main",content:"data"}))}),this.tick()}},e.prototype.onFragParsed=function(t){var e=this.fragCurrent,r=t.frag;e&&"main"===t.id&&r.sn===e.sn&&r.level===e.level&&this.state===S.PARSING&&(this.stats.tparsed=window.performance.now(),this.state=S.PARSED,this._checkAppendedParsed())},e.prototype.onAudioTrackSwitching=function(t){var e=!!t.url,r=t.id;if(!e){if(this.mediaBuffer!==this.media){g.b.log("switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var i=this.fragCurrent;i.loader&&(g.b.log("switching to main audio track, cancel main fragment load"),i.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=S.IDLE}var a=this.hls;a.trigger(u.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),a.trigger(u.a.AUDIO_TRACK_SWITCHED,{id:r}),this.altAudio=!1}},e.prototype.onAudioTrackSwitched=function(t){var e=t.id,r=!!this.hls.audioTracks[e].url;if(r){var i=this.videoBuffer;i&&this.mediaBuffer!==i&&(g.b.log("switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=i)}this.altAudio=r,this.tick()},e.prototype.onBufferCreated=function(t){var e=t.tracks,r=void 0,i=void 0,a=!1;for(var n in e){var o=e[n];"main"===o.id?(i=n,r=o,"video"===n&&(this.videoBuffer=e[n].buffer)):a=!0}a&&r?(g.b.log("alternate track found, use "+i+".buffered to schedule main fragment loading"),this.mediaBuffer=r.buffer):this.mediaBuffer=this.media},e.prototype.onBufferAppended=function(t){if("main"===t.parent){var e=this.state;e!==S.PARSING&&e!==S.PARSED||(this.pendingBuffering=t.pending>0,this._checkAppendedParsed())}},e.prototype._checkAppendedParsed=function(){if(!(this.state!==S.PARSED||this.appended&&this.pendingBuffering)){var t=this.fragCurrent;if(t){var e=this.mediaBuffer?this.mediaBuffer:this.media;g.b.log("main buffered : "+p.a.toString(e.buffered)),this.fragPrevious=t;var r=this.stats;r.tbuffered=window.performance.now(),this.fragLastKbps=Math.round(8*r.total/(r.tbuffered-r.tfirst)),this.hls.trigger(u.a.FRAG_BUFFERED,{stats:r,frag:t,id:"main"}),this.state=S.IDLE}this.tick()}},e.prototype.onError=function(t){var e=t.frag||this.fragCurrent;if(!e||"main"===e.type){var r=!!this.media&&s.a.isBuffered(this.media,this.media.currentTime)&&s.a.isBuffered(this.media,this.media.currentTime+.5);switch(t.details){case v.a.FRAG_LOAD_ERROR:case v.a.FRAG_LOAD_TIMEOUT:case v.a.KEY_LOAD_ERROR:case v.a.KEY_LOAD_TIMEOUT:if(!t.fatal)if(this.fragLoadError+1<=this.config.fragLoadingMaxRetry){var i=Math.min(Math.pow(2,this.fragLoadError)*this.config.fragLoadingRetryDelay,this.config.fragLoadingMaxRetryTimeout);g.b.warn("mediaController: frag loading failed, retry in "+i+" ms"),this.retryDate=window.performance.now()+i,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.fragLoadError++,this.state=S.FRAG_LOADING_WAITING_RETRY}else g.b.error("mediaController: "+t.details+" reaches max retry, redispatch as fatal ..."),t.fatal=!0,this.state=S.ERROR;break;case v.a.LEVEL_LOAD_ERROR:case v.a.LEVEL_LOAD_TIMEOUT:this.state!==S.ERROR&&(t.fatal?(this.state=S.ERROR,g.b.warn("streamController: "+t.details+",switch to "+this.state+" state ...")):t.levelRetry||this.state!==S.WAITING_LEVEL||(this.state=S.IDLE));break;case v.a.BUFFER_FULL_ERROR:"main"!==t.parent||this.state!==S.PARSING&&this.state!==S.PARSED||(r?(this._reduceMaxBufferLength(this.config.maxBufferLength),this.state=S.IDLE):(g.b.warn("buffer full error also media.currentTime is not buffered, flush everything"),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)))}}},e.prototype._reduceMaxBufferLength=function(t){var e=this.config;return e.maxMaxBufferLength>=t&&(e.maxMaxBufferLength/=2,g.b.warn("main:reduce max buffer length to "+e.maxMaxBufferLength+"s"),!0)},e.prototype._checkBuffer=function(){var t=this.media;if(t&&0!==t.readyState){var e=this.mediaBuffer?this.mediaBuffer:t,r=e.buffered;!this.loadedmetadata&&r.length?(this.loadedmetadata=!0,this._seekToStartPos()):this.immediateSwitch?this.immediateLevelSwitchEnd():this.gapController.poll(this.lastCurrentTime,r)}},e.prototype.onFragLoadEmergencyAborted=function(){this.state=S.IDLE,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tick()},e.prototype.onBufferFlushed=function(){var t=this.mediaBuffer?this.mediaBuffer:this.media;t&&this.fragmentTracker.detectEvictedFragments(f.a.ElementaryStreamTypes.VIDEO,t.buffered),this.state=S.IDLE,this.fragPrevious=null},e.prototype.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},e.prototype.computeLivePosition=function(t,e){var r=void 0!==this.config.liveSyncDuration?this.config.liveSyncDuration:this.config.liveSyncDurationCount*e.targetduration;return t+Math.max(0,e.totalduration-r)},e.prototype._seekToStartPos=function(){var t=this.media,e=t.currentTime,r=t.seeking?e:this.startPosition;e!==r&&(g.b.log("target start position not buffered, seek to buffered.start(0) "+r+" from current time "+e+" "),t.currentTime=r)},T(e,[{key:"state",set:function(t){if(this.state!==t){var e=this.state;this._state=t,g.b.log("main stream:"+e+"->"+t),this.hls.trigger(u.a.STREAM_STATE_TRANSITION,{previousState:e,nextState:t})}},get:function(){return this._state}},{key:"currentLevel",get:function(){var t=this.media;if(t){var e=this.getBufferedFrag(t.currentTime);if(e)return e.level}return-1}},{key:"nextBufferedFrag",get:function(){var t=this.media;return t?this.followingBufferedFrag(this.getBufferedFrag(t.currentTime)):null}},{key:"nextLevel",get:function(){var t=this.nextBufferedFrag;return t?t.level:-1}},{key:"liveSyncPosition",get:function(){return this._liveSyncPosition},set:function(t){this._liveSyncPosition=t}}]),e}(y.a);e.a=A},function(t,e,r){"use strict";function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var a=r(9),n=r.n(a),o=r(30),s=r.n(o),l=r(1),u=r(18),d=r(0),f=r(2),c=r(11),h=r(5),p=Object(h.a)(),v=Object(c.a)(),g=function(){function t(e,r){i(this,t),this.hls=e,this.id=r;var a=this.observer=new n.a,o=e.config;a.trigger=function(t){for(var e=arguments.length,r=Array(e>1?e-1:0),i=1;i<e;i++)r[i-1]=arguments[i];a.emit.apply(a,[t,t].concat(r))},a.off=function(t){for(var e=arguments.length,r=Array(e>1?e-1:0),i=1;i<e;i++)r[i-1]=arguments[i];a.removeListener.apply(a,[t].concat(r))};var c=function(t,r){r=r||{},r.frag=this.frag,r.id=this.id,e.trigger(t,r)}.bind(this);a.on(l.a.FRAG_DECRYPTED,c),a.on(l.a.FRAG_PARSING_INIT_SEGMENT,c),a.on(l.a.FRAG_PARSING_DATA,c),a.on(l.a.FRAG_PARSED,c),a.on(l.a.ERROR,c),a.on(l.a.FRAG_PARSING_METADATA,c),a.on(l.a.FRAG_PARSING_USERDATA,c),a.on(l.a.INIT_PTS_FOUND,c);var h={mp4:v.isTypeSupported("video/mp4"),mpeg:v.isTypeSupported("audio/mpeg"),mp3:v.isTypeSupported('audio/mp4; codecs="mp3"')},g=navigator.vendor;if(o.enableWorker&&"undefined"!=typeof Worker){d.b.log("demuxing in webworker");var m=void 0;try{m=this.w=s()(43),this.onwmsg=this.onWorkerMessage.bind(this),m.addEventListener("message",this.onwmsg),m.onerror=function(t){e.trigger(l.a.ERROR,{type:f.b.OTHER_ERROR,details:f.a.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",err:{message:t.message+" ("+t.filename+":"+t.lineno+")"}})},m.postMessage({cmd:"init",typeSupported:h,vendor:g,id:r,config:JSON.stringify(o)})}catch(t){d.b.error("error while initializing DemuxerWorker, fallback on DemuxerInline"),m&&p.URL.revokeObjectURL(m.objectURL),this.demuxer=new u.a(a,h,o,g),this.w=void 0}}else this.demuxer=new u.a(a,h,o,g)}return t.prototype.destroy=function(){var t=this.w;if(t)t.removeEventListener("message",this.onwmsg),t.terminate(),this.w=null;else{var e=this.demuxer;e&&(e.destroy(),this.demuxer=null)}var r=this.observer;r&&(r.removeAllListeners(),this.observer=null)},t.prototype.push=function(t,e,r,i,a,n,o,s){var l=this.w,u=isNaN(a.startDTS)?a.start:a.startDTS,f=a.decryptdata,c=this.frag,h=!(c&&a.cc===c.cc),p=!(c&&a.level===c.level),v=c&&a.sn===c.sn+1,g=!p&&v;if(h&&d.b.log(this.id+":discontinuity detected"),p&&d.b.log(this.id+":switch detected"),this.frag=a,l)l.postMessage({cmd:"demux",data:t,decryptdata:f,initSegment:e,audioCodec:r,videoCodec:i,timeOffset:u,discontinuity:h,trackSwitch:p,contiguous:g,duration:n,accurateTimeOffset:o,defaultInitPTS:s},t instanceof ArrayBuffer?[t]:[]);else{var m=this.demuxer;m&&m.push(t,f,e,r,i,u,h,p,g,n,o,s)}},t.prototype.onWorkerMessage=function(t){var e=t.data,r=this.hls;switch(e.event){case"init":p.URL.revokeObjectURL(this.w.objectURL);break;case l.a.FRAG_PARSING_DATA:e.data.data1=new Uint8Array(e.data1),e.data2&&(e.data.data2=new 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e=Math.min(1e3,t.length-564),r=0;r<e;){if(71===t[r]&&71===t[r+188]&&71===t[r+376])return r;r++}return-1},t.createTrack=function(t,e){return{container:"video"===t||"audio"===t?"video/mp2t":void 0,type:t,id:f[t],pid:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],len:0,dropped:"video"===t?0:void 0,isAAC:"audio"===t||void 0,duration:"audio"===t?e:void 0}},t.prototype.resetInitSegment=function(e,r,i,a){this.pmtParsed=!1,this._pmtId=-1,this._avcTrack=t.createTrack("video",a),this._audioTrack=t.createTrack("audio",a),this._id3Track=t.createTrack("id3",a),this._txtTrack=t.createTrack("text",a),this.aacOverFlow=null,this.aacLastPTS=null,this.avcSample=null,this.audioCodec=r,this.videoCodec=i,this._duration=a},t.prototype.resetTimeStamp=function(){},t.prototype.append=function(e,r,i,a){var n=void 0,s=e.length,l=void 0,f=void 0,c=void 0,h=void 0,p=!1;this.contiguous=i;var v=this.pmtParsed,g=this._avcTrack,m=this._audioTrack,y=this._id3Track,b=g.pid,E=m.pid,T=y.pid,S=this._pmtId,A=g.pesData,_=m.pesData,R=y.pesData,L=this._parsePAT,w=this._parsePMT,D=this._parsePES,O=this._parseAVCPES.bind(this),I=this._parseAACPES.bind(this),k=this._parseMPEGPES.bind(this),x=this._parseID3PES.bind(this),P=t._syncOffset(e);for(s-=(s+P)%188,n=P;n<s;n+=188)if(71===e[n]){if(l=!!(64&e[n+1]),f=((31&e[n+1])<<8)+e[n+2],(48&e[n+3])>>4>1){if((c=n+5+e[n+4])===n+188)continue}else c=n+4;switch(f){case b:l&&(A&&(h=D(A))&&void 0!==h.pts&&O(h,!1),A={data:[],size:0}),A&&(A.data.push(e.subarray(c,n+188)),A.size+=n+188-c);break;case E:l&&(_&&(h=D(_))&&void 0!==h.pts&&(m.isAAC?I(h):k(h)),_={data:[],size:0}),_&&(_.data.push(e.subarray(c,n+188)),_.size+=n+188-c);break;case T:l&&(R&&(h=D(R))&&void 0!==h.pts&&x(h),R={data:[],size:0}),R&&(R.data.push(e.subarray(c,n+188)),R.size+=n+188-c);break;case 0:l&&(c+=e[c]+1),S=this._pmtId=L(e,c);break;case S:l&&(c+=e[c]+1);var C=w(e,c,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,null!=this.sampleAes);b=C.avc,b>0&&(g.pid=b),E=C.audio,E>0&&(m.pid=E,m.isAAC=C.isAAC),T=C.id3,T>0&&(y.pid=T),p&&!v&&(u.b.log("reparse from beginning"),p=!1,n=P-188),v=this.pmtParsed=!0;break;case 17:case 8191:break;default:p=!0}}else this.observer.trigger(o.a.ERROR,{type:d.b.MEDIA_ERROR,details:d.a.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});A&&(h=D(A))&&void 0!==h.pts?(O(h,!0),g.pesData=null):g.pesData=A,_&&(h=D(_))&&void 0!==h.pts?(m.isAAC?I(h):k(h),m.pesData=null):(_&&_.size&&u.b.log("last AAC PES packet truncated,might overlap between fragments"),m.pesData=_),R&&(h=D(R))&&void 0!==h.pts?(x(h),y.pesData=null):y.pesData=R,null==this.sampleAes?this.remuxer.remux(m,g,y,this._txtTrack,r,i,a):this.decryptAndRemux(m,g,y,this._txtTrack,r,i,a)},t.prototype.decryptAndRemux=function(t,e,r,i,a,n,o){if(t.samples&&t.isAAC){var s=this;this.sampleAes.decryptAacSamples(t.samples,0,function(){s.decryptAndRemuxAvc(t,e,r,i,a,n,o)})}else this.decryptAndRemuxAvc(t,e,r,i,a,n,o)},t.prototype.decryptAndRemuxAvc=function(t,e,r,i,a,n,o){if(e.samples){var s=this;this.sampleAes.decryptAvcSamples(e.samples,0,0,function(){s.remuxer.remux(t,e,r,i,a,n,o)})}else this.remuxer.remux(t,e,r,i,a,n,o)},t.prototype.destroy=function(){this._initPTS=this._initDTS=void 0,this._duration=0},t.prototype._parsePAT=function(t,e){return(31&t[e+10])<<8|t[e+11]},t.prototype._parsePMT=function(t,e,r,i){var a=void 0,n=void 0,o=void 0,s=void 0,l={audio:-1,avc:-1,id3:-1,isAAC:!0};for(a=(15&t[e+1])<<8|t[e+2],n=e+3+a-4,o=(15&t[e+10])<<8|t[e+11],e+=12+o;e<n;){switch(s=(31&t[e+1])<<8|t[e+2],t[e]){case 207:if(!i){u.b.log("unkown stream type:"+t[e]);break}case 15:-1===l.audio&&(l.audio=s);break;case 21:-1===l.id3&&(l.id3=s);break;case 219:if(!i){u.b.log("unkown stream type:"+t[e]);break}case 27:-1===l.avc&&(l.avc=s);break;case 3:case 4:r?-1===l.audio&&(l.audio=s,l.isAAC=!1):u.b.log("MPEG audio found, not supported in this browser for now");break;case 36:u.b.warn("HEVC stream type found, not supported for now");break;default:u.b.log("unkown stream type:"+t[e])}e+=5+((15&t[e+3])<<8|t[e+4])}return l},t.prototype._parsePES=function(t){var e=0,r=void 0,i=void 0,a=void 0,n=void 0,o=void 0,s=void 0,l=void 0,d=void 0,f=t.data;if(!t||0===t.size)return null;for(;f[0].length<19&&f.length>1;){var c=new Uint8Array(f[0].length+f[1].length);c.set(f[0]),c.set(f[1],f[0].length),f[0]=c,f.splice(1,1)}if(r=f[0],1===(r[0]<<16)+(r[1]<<8)+r[2]){if((a=(r[4]<<8)+r[5])&&a>t.size-6)return null;i=r[7],192&i&&(s=536870912*(14&r[9])+4194304*(255&r[10])+16384*(254&r[11])+128*(255&r[12])+(254&r[13])/2,s>4294967295&&(s-=8589934592),64&i?(l=536870912*(14&r[14])+4194304*(255&r[15])+16384*(254&r[16])+128*(255&r[17])+(254&r[18])/2,l>4294967295&&(l-=8589934592),s-l>54e5&&(u.b.warn(Math.round((s-l)/9e4)+"s delta between PTS and DTS, align them"),s=l)):l=s),n=r[8],d=n+9,t.size-=d,o=new Uint8Array(t.size);for(var h=0,p=f.length;h<p;h++){r=f[h];var v=r.byteLength;if(d){if(d>v){d-=v;continue}r=r.subarray(d),v-=d,d=0}o.set(r,e),e+=v}return a&&(a-=n+3),{data:o,pts:s,dts:l,len:a}}return null},t.prototype.pushAccesUnit=function(t,e){if(t.units.length&&t.frame){var r=e.samples,i=r.length;!this.config.forceKeyFrameOnDiscontinuity||!0===t.key||e.sps&&(i||this.contiguous)?(t.id=i,r.push(t)):e.dropped++}t.debug.length&&u.b.log(t.pts+"/"+t.dts+":"+t.debug)},t.prototype._parseAVCPES=function(t,e){var r=this,i=this._avcTrack,a=this._parseAVCNALu(t.data),n=void 0,o=this.avcSample,l=void 0,u=!1,d=void 0,f=this.pushAccesUnit.bind(this),c=function(t,e,r,i){return{key:t,pts:e,dts:r,units:[],debug:i}};t.data=null,o&&a.length&&!i.audFound&&(f(o,i),o=this.avcSample=c(!1,t.pts,t.dts,"")),a.forEach(function(e){switch(e.type){case 1:l=!0,o||(o=r.avcSample=c(!0,t.pts,t.dts,"")),o.frame=!0;var a=e.data;if(u&&a.length>4){var h=new s.a(a).readSliceType();2!==h&&4!==h&&7!==h&&9!==h||(o.key=!0)}break;case 5:l=!0,o||(o=r.avcSample=c(!0,t.pts,t.dts,"")),o.key=!0,o.frame=!0;break;case 6:l=!0,n=new s.a(r.discardEPB(e.data)),n.readUByte();for(var p=0,v=0,g=!1,m=0;!g&&n.bytesAvailable>1;){p=0;do{m=n.readUByte(),p+=m}while(255===m);v=0;do{m=n.readUByte(),v+=m}while(255===m);if(4===p&&0!==n.bytesAvailable){g=!0;if(181===n.readUByte()){if(49===n.readUShort()){if(1195456820===n.readUInt()){if(3===n.readUByte()){var y=n.readUByte(),b=n.readUByte(),E=31&y,T=[y,b];for(d=0;d<E;d++)T.push(n.readUByte()),T.push(n.readUByte()),T.push(n.readUByte());r._insertSampleInOrder(r._txtTrack.samples,{type:3,pts:t.pts,bytes:T})}}}}}else if(v<n.bytesAvailable)for(d=0;d<v;d++)n.readUByte()}break;case 7:if(l=!0,u=!0,!i.sps){n=new s.a(e.data);var S=n.readSPS();i.width=S.width,i.height=S.height,i.pixelRatio=S.pixelRatio,i.sps=[e.data],i.duration=r._duration;var A=e.data.subarray(1,4),_="avc1.";for(d=0;d<3;d++){var R=A[d].toString(16);R.length<2&&(R="0"+R),_+=R}i.codec=_}break;case 8:l=!0,i.pps||(i.pps=[e.data]);break;case 9:l=!1,i.audFound=!0,o&&f(o,i),o=r.avcSample=c(!1,t.pts,t.dts,"");break;case 12:l=!1;break;default:l=!1,o&&(o.debug+="unknown NAL "+e.type+" ")}if(o&&l){o.units.push(e)}}),e&&o&&(f(o,i),this.avcSample=null)},t.prototype._insertSampleInOrder=function(t,e){var r=t.length;if(r>0){if(e.pts>=t[r-1].pts)t.push(e);else for(var i=r-1;i>=0;i--)if(e.pts<t[i].pts){t.splice(i,0,e);break}}else t.push(e)},t.prototype._getLastNalUnit=function(){var t=this.avcSample,e=void 0;if(!t||0===t.units.length){var r=this._avcTrack,i=r.samples;t=i[i.length-1]}if(t){var a=t.units;e=a[a.length-1]}return e},t.prototype._parseAVCNALu=function(t){var e=0,r=t.byteLength,i=void 0,a=void 0,n=this._avcTrack,o=n.naluState||0,s=o,l=[],u=void 0,d=void 0,f=-1,c=void 0;for(-1===o&&(f=0,c=31&t[0],o=0,e=1);e<r;)if(i=t[e++],o)if(1!==o)if(i)if(1===i){if(f>=0)u={data:t.subarray(f,e-o-1),type:c},l.push(u);else{var h=this._getLastNalUnit();if(h&&(s&&e<=4-s&&h.state&&(h.data=h.data.subarray(0,h.data.byteLength-s)),(a=e-o-1)>0)){var p=new Uint8Array(h.data.byteLength+a);p.set(h.data,0),p.set(t.subarray(0,a),h.data.byteLength),h.data=p}}e<r?(d=31&t[e],f=e,c=d,o=0):o=-1}else o=0;else o=3;else o=i?0:2;else o=i?0:1;if(f>=0&&o>=0&&(u={data:t.subarray(f,r),type:c,state:o},l.push(u)),0===l.length){var v=this._getLastNalUnit();if(v){var g=new Uint8Array(v.data.byteLength+t.byteLength);g.set(v.data,0),g.set(t,v.data.byteLength),v.data=g}}return n.naluState=o,l},t.prototype.discardEPB=function(t){for(var e=t.byteLength,r=[],i=1,a=void 0,n=void 0;i<e-2;)0===t[i]&&0===t[i+1]&&3===t[i+2]?(r.push(i+2),i+=2):i++;if(0===r.length)return t;a=e-r.length,n=new Uint8Array(a);var o=0;for(i=0;i<a;o++,i++)o===r[0]&&(o++,r.shift()),n[i]=t[o];return n},t.prototype._parseAACPES=function(t){var e=this._audioTrack,r=t.data,i=t.pts,n=this.aacOverFlow,s=this.aacLastPTS,l=void 0,f=void 0,c=void 0,h=void 0,p=void 0;if(n){var v=new Uint8Array(n.byteLength+r.byteLength);v.set(n,0),v.set(r,n.byteLength),r=v}for(c=0,p=r.length;c<p-1&&!a.d(r,c);c++);if(c){var g=void 0,m=void 0;if(c<p-1?(g="AAC PES did not start with ADTS header,offset:"+c,m=!1):(g="no ADTS header found in AAC PES",m=!0),u.b.warn("parsing error:"+g),this.observer.trigger(o.a.ERROR,{type:d.b.MEDIA_ERROR,details:d.a.FRAG_PARSING_ERROR,fatal:m,reason:g}),m)return}if(a.c(e,this.observer,r,c,this.audioCodec),f=0,l=a.b(e.samplerate),n&&s){var y=s+l;Math.abs(y-i)>1&&(u.b.log("AAC: align PTS for overlapping frames by "+Math.round((y-i)/90)),i=y)}for(;c<p;)if(a.d(r,c)&&c+5<p){var b=a.a(e,r,c,i,f);if(!b)break;c+=b.length,h=b.sample.pts,f++}else c++;n=c<p?r.subarray(c,p):null,this.aacOverFlow=n,this.aacLastPTS=h},t.prototype._parseMPEGPES=function(t){for(var e=t.data,r=e.length,i=0,a=0,o=t.pts;a<r;)if(n.a.isHeader(e,a)){var s=n.a.appendFrame(this._audioTrack,e,a,o,i);if(!s)break;a+=s.length,i++}else a++},t.prototype._parseID3PES=function(t){this._id3Track.samples.push(t)},t}();e.a=c},function(t,e,r){"use strict";function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var a=r(0),n=function(){function t(e){i(this,t),this.data=e,this.bytesAvailable=e.byteLength,this.word=0,this.bitsAvailable=0}return t.prototype.loadWord=function(){var t=this.data,e=this.bytesAvailable,r=t.byteLength-e,i=new Uint8Array(4),a=Math.min(4,e);if(0===a)throw new Error("no bytes available");i.set(t.subarray(r,r+a)),this.word=new DataView(i.buffer).getUint32(0),this.bitsAvailable=8*a,this.bytesAvailable-=a},t.prototype.skipBits=function(t){var e=void 0;this.bitsAvailable>t?(this.word<<=t,this.bitsAvailable-=t):(t-=this.bitsAvailable,e=t>>3,t-=e>>3,this.bytesAvailable-=e,this.loadWord(),this.word<<=t,this.bitsAvailable-=t)},t.prototype.readBits=function(t){var e=Math.min(this.bitsAvailable,t),r=this.word>>>32-e;return t>32&&a.b.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=e,this.bitsAvailable>0?this.word<<=e:this.bytesAvailable>0&&this.loadWord(),e=t-e,e>0&&this.bitsAvailable?r<<e|this.readBits(e):r},t.prototype.skipLZ=function(){var t=void 0;for(t=0;t<this.bitsAvailable;++t)if(0!=(this.word&2147483648>>>t))return this.word<<=t,this.bitsAvailable-=t,t;return this.loadWord(),t+this.skipLZ()},t.prototype.skipUEG=function(){this.skipBits(1+this.skipLZ())},t.prototype.skipEG=function(){this.skipBits(1+this.skipLZ())},t.prototype.readUEG=function(){var t=this.skipLZ();return this.readBits(t+1)-1},t.prototype.readEG=function(){var t=this.readUEG();return 1&t?1+t>>>1:-1*(t>>>1)},t.prototype.readBoolean=function(){return 1===this.readBits(1)},t.prototype.readUByte=function(){return this.readBits(8)},t.prototype.readUShort=function(){return this.readBits(16)},t.prototype.readUInt=function(){return this.readBits(32)},t.prototype.skipScalingList=function(t){var e=8,r=8,i=void 0,a=void 0;for(i=0;i<t;i++)0!==r&&(a=this.readEG(),r=(e+a+256)%256),e=0===r?e:r},t.prototype.readSPS=function(){var t=0,e=0,r=0,i=0,a=void 0,n=void 0,o=void 0,s=void 0,l=void 0,u=void 0,d=void 0,f=this.readUByte.bind(this),c=this.readBits.bind(this),h=this.readUEG.bind(this),p=this.readBoolean.bind(this),v=this.skipBits.bind(this),g=this.skipEG.bind(this),m=this.skipUEG.bind(this),y=this.skipScalingList.bind(this);if(f(),a=f(),c(5),v(3),f(),m(),100===a||110===a||122===a||244===a||44===a||83===a||86===a||118===a||128===a){var b=h();if(3===b&&v(1),m(),m(),v(1),p())for(u=3!==b?8:12,d=0;d<u;d++)p()&&y(d<6?16:64)}m();var E=h();if(0===E)h();else if(1===E)for(v(1),g(),g(),n=h(),d=0;d<n;d++)g();m(),v(1),o=h(),s=h(),l=c(1),0===l&&v(1),v(1),p()&&(t=h(),e=h(),r=h(),i=h());var T=[1,1];if(p()&&p()){switch(f()){case 1:T=[1,1];break;case 2:T=[12,11];break;case 3:T=[10,11];break;case 4:T=[16,11];break;case 5:T=[40,33];break;case 6:T=[24,11];break;case 7:T=[20,11];break;case 8:T=[32,11];break;case 9:T=[80,33];break;case 10:T=[18,11];break;case 11:T=[15,11];break;case 12:T=[64,33];break;case 13:T=[160,99];break;case 14:T=[4,3];break;case 15:T=[3,2];break;case 16:T=[2,1];break;case 255:T=[f()<<8|f(),f()<<8|f()]}}return{width:Math.ceil(16*(o+1)-2*t-2*e),height:(2-l)*(s+1)*16-(l?2:4)*(r+i),pixelRatio:T}},t.prototype.readSliceType=function(){return this.readUByte(),this.readUEG(),this.readUEG()},t}();e.a=n},function(t,e,r){"use strict";function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var a=r(19),n=function(){function t(e,r,n,o){i(this,t),this.decryptdata=n,this.discardEPB=o,this.decrypter=new a.a(e,r,{removePKCS7Padding:!1})}return t.prototype.decryptBuffer=function(t,e){this.decrypter.decrypt(t,this.decryptdata.key.buffer,this.decryptdata.iv.buffer,e)},t.prototype.decryptAacSample=function(t,e,r,i){var a=t[e].unit,n=a.subarray(16,a.length-a.length%16),o=n.buffer.slice(n.byteOffset,n.byteOffset+n.length),s=this;this.decryptBuffer(o,function(n){n=new Uint8Array(n),a.set(n,16),i||s.decryptAacSamples(t,e+1,r)})},t.prototype.decryptAacSamples=function(t,e,r){for(;;e++){if(e>=t.length)return void r();if(!(t[e].unit.length<32)){var i=this.decrypter.isSync();if(this.decryptAacSample(t,e,r,i),!i)return}}},t.prototype.getAvcEncryptedData=function(t){for(var e=16*Math.floor((t.length-48)/160)+16,r=new Int8Array(e),i=0,a=32;a<=t.length-16;a+=160,i+=16)r.set(t.subarray(a,a+16),i);return r},t.prototype.getAvcDecryptedUnit=function(t,e){e=new Uint8Array(e);for(var r=0,i=32;i<=t.length-16;i+=160,r+=16)t.set(e.subarray(r,r+16),i);return t},t.prototype.decryptAvcSample=function(t,e,r,i,a,n){var o=this.discardEPB(a.data),s=this.getAvcEncryptedData(o),l=this;this.decryptBuffer(s.buffer,function(s){a.data=l.getAvcDecryptedUnit(o,s),n||l.decryptAvcSamples(t,e,r+1,i)})},t.prototype.decryptAvcSamples=function(t,e,r,i){for(;;e++,r=0){if(e>=t.length)return void i();for(var a=t[e].units;!(r>=a.length);r++){var n=a[r];if(!(n.length<=48||1!==n.type&&5!==n.type)){var o=this.decrypter.isSync();if(this.decryptAvcSample(t,e,r,i,n,o),!o)return}}}},t}();e.a=n},function(t,e,r){"use strict";function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var a=r(10),n=r(0),o=r(21),s=function(){function t(e,r,a){i(this,t),this.observer=e,this.config=a,this.remuxer=r}return t.prototype.resetInitSegment=function(t,e,r,i){this._audioTrack={container:"audio/mpeg",type:"audio",id:-1,sequenceNumber:0,isAAC:!1,samples:[],len:0,manifestCodec:e,duration:i,inputTimeScale:9e4}},t.prototype.resetTimeStamp=function(){},t.probe=function(t){var e=void 0,r=void 0,i=a.a.getID3Data(t,0);if(i&&void 0!==a.a.getTimeStamp(i))for(e=i.length,r=Math.min(t.length-1,e+100);e<r;e++)if(o.a.probe(t,e))return n.b.log("MPEG Audio sync word found !"),!0;return!1},t.prototype.append=function(t,e,r,i){for(var n=a.a.getID3Data(t,0),s=a.a.getTimeStamp(n),l=s?90*s:9e4*e,u=n.length,d=t.length,f=0,c=0,h=this._audioTrack,p=[{pts:l,dts:l,data:n}];u<d;)if(o.a.isHeader(t,u)){var v=o.a.appendFrame(h,t,u,l,f);if(!v)break;u+=v.length,c=v.sample.pts,f++}else a.a.isHeader(t,u)?(n=a.a.getID3Data(t,u),p.push({pts:c,dts:c,data:n}),u+=n.length):u++;this.remuxer.remux(h,{samples:[]},{samples:p,inputTimeScale:9e4},{samples:[]},e,r,i)},t.prototype.destroy=function(){},t}();e.a=s},function(t,e,r){"use strict";function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var a=r(40),n=r(41),o=r(1),s=r(2),l=r(0),u=function(){function t(e,r,a,n){i(this,t),this.observer=e,this.config=r,this.typeSupported=a;var o=navigator.userAgent;this.isSafari=n&&n.indexOf("Apple")>-1&&o&&!o.match("CriOS"),this.ISGenerated=!1}return t.prototype.destroy=function(){},t.prototype.resetTimeStamp=function(t){this._initPTS=this._initDTS=t},t.prototype.resetInitSegment=function(){this.ISGenerated=!1},t.prototype.remux=function(t,e,r,i,a,n,s){if(this.ISGenerated||this.generateIS(t,e,a),this.ISGenerated){var u=t.samples.length,d=e.samples.length,f=a,c=a;if(u&&d){var h=(t.samples[0].dts-e.samples[0].dts)/e.inputTimeScale;f+=Math.max(0,h),c+=Math.max(0,-h)}if(u){t.timescale||(l.b.warn("regenerate InitSegment as audio detected"),this.generateIS(t,e,a));var p=this.remuxAudio(t,f,n,s);if(d){var v=void 0;p&&(v=p.endPTS-p.startPTS),e.timescale||(l.b.warn("regenerate InitSegment as video detected"),this.generateIS(t,e,a)),this.remuxVideo(e,c,n,v,s)}}else if(d){var g=this.remuxVideo(e,c,n,0,s);g&&t.codec&&this.remuxEmptyAudio(t,f,n,g)}}r.samples.length&&this.remuxID3(r,a),i.samples.length&&this.remuxText(i,a),this.observer.trigger(o.a.FRAG_PARSED)},t.prototype.generateIS=function(t,e,r){var i=this.observer,a=t.samples,u=e.samples,d=this.typeSupported,f="audio/mp4",c={},h={tracks:c},p=void 0===this._initPTS,v=void 0,g=void 0;if(p&&(v=g=1/0),t.config&&a.length&&(t.timescale=t.samplerate,l.b.log("audio sampling rate : "+t.samplerate),t.isAAC||(d.mpeg?(f="audio/mpeg",t.codec=""):d.mp3&&(t.codec="mp3")),c.audio={container:f,codec:t.codec,initSegment:!t.isAAC&&d.mpeg?new Uint8Array:n.a.initSegment([t]),metadata:{channelCount:t.channelCount}},p&&(v=g=a[0].pts-t.inputTimeScale*r)),e.sps&&e.pps&&u.length){var m=e.inputTimeScale;e.timescale=m,c.video={container:"video/mp4",codec:e.codec,initSegment:n.a.initSegment([e]),metadata:{width:e.width,height:e.height}},p&&(v=Math.min(v,u[0].pts-m*r),g=Math.min(g,u[0].dts-m*r),this.observer.trigger(o.a.INIT_PTS_FOUND,{initPTS:v}))}Object.keys(c).length?(i.trigger(o.a.FRAG_PARSING_INIT_SEGMENT,h),this.ISGenerated=!0,p&&(this._initPTS=v,this._initDTS=g)):i.trigger(o.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})},t.prototype.remuxVideo=function(t,e,r,i,a){var u=8,d=t.timescale,f=void 0,c=void 0,h=void 0,p=void 0,v=void 0,g=void 0,m=void 0,y=t.samples,b=[],E=y.length,T=this._PTSNormalize,S=this._initDTS,A=this.nextAvcDts,_=this.isSafari;if(0!==E){_&&(r|=y.length&&A&&(a&&Math.abs(e-A/d)<.1||Math.abs(y[0].pts-A-S)<d/5)),r||(A=e*d),y.forEach(function(t){t.pts=T(t.pts-S,A),t.dts=T(t.dts-S,A)}),y.sort(function(t,e){var r=t.dts-e.dts,i=t.pts-e.pts;return r||i||t.id-e.id});var R=y.reduce(function(t,e){return Math.max(Math.min(t,e.pts-e.dts),-18e3)},0);if(R<0){l.b.warn("PTS < DTS detected in video samples, shifting DTS by "+Math.round(R/90)+" ms to overcome this issue");for(var L=0;L<y.length;L++)y[L].dts+=R}var w=y[0];v=Math.max(w.dts,0),p=Math.max(w.pts,0);var D=Math.round((v-A)/90);r&&D&&(D>1?l.b.log("AVC:"+D+" ms hole between fragments detected,filling it"):D<-1&&l.b.log("AVC:"+-D+" ms overlapping between fragments detected"),v=A,y[0].dts=v,p=Math.max(p-D,A),y[0].pts=p,l.b.log("Video/PTS/DTS adjusted: "+Math.round(p/90)+"/"+Math.round(v/90)+",delta:"+D+" ms")),v,w=y[y.length-1],m=Math.max(w.dts,0),g=Math.max(w.pts,0,m),_&&(f=Math.round((m-v)/(y.length-1)));for(var O=0,I=0,k=0;k<E;k++){for(var x=y[k],P=x.units,C=P.length,F=0,M=0;M<C;M++)F+=P[M].data.length;I+=F,O+=C,x.length=F,x.dts=_?v+k*f:Math.max(x.dts,v),x.pts=Math.max(x.pts,x.dts)}var N=I+4*O+8;try{c=new Uint8Array(N)}catch(t){return void this.observer.trigger(o.a.ERROR,{type:s.b.MUX_ERROR,details:s.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:N,reason:"fail allocating video mdat "+N})}var U=new DataView(c.buffer);U.setUint32(0,N),c.set(n.a.types.mdat,4);for(var B=0;B<E;B++){for(var G=y[B],j=G.units,K=0,H=void 0,V=0,W=j.length;V<W;V++){var Y=j[V],z=Y.data,X=Y.data.byteLength;U.setUint32(u,X),u+=4,c.set(z,u),u+=X,K+=4+X}if(_)H=Math.max(0,f*Math.round((G.pts-G.dts)/f));else{if(B<E-1)f=y[B+1].dts-G.dts;else{var q=this.config,Q=G.dts-y[B>0?B-1:B].dts;if(q.stretchShortVideoTrack){var Z=q.maxBufferHole,J=Math.floor(Z*d),$=(i?p+i*d:this.nextAudioPts)-G.pts;$>J?(f=$-Q,f<0&&(f=Q),l.b.log("It is approximately "+$/90+" ms to the next segment; using duration "+f/90+" ms for the last video frame.")):f=Q}else f=Q}H=Math.round(G.pts-G.dts)}b.push({size:K,duration:f,cts:H,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:G.key?2:1,isNonSync:G.key?0:1}})}this.nextAvcDts=m+f;var tt=t.dropped;if(t.len=0,t.nbNalu=0,t.dropped=0,b.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1){var et=b[0].flags;et.dependsOn=2,et.isNonSync=0}t.samples=b,h=n.a.moof(t.sequenceNumber++,v,t),t.samples=[];var rt={data1:h,data2:c,startPTS:p/d,endPTS:(g+f)/d,startDTS:v/d,endDTS:this.nextAvcDts/d,type:"video",hasAudio:!1,hasVideo:!0,nb:b.length,dropped:tt};return this.observer.trigger(o.a.FRAG_PARSING_DATA,rt),rt}},t.prototype.remuxAudio=function(t,e,r,i){var u=t.inputTimeScale,d=t.timescale,f=u/d,c=t.isAAC?1024:1152,h=c*f,p=this._PTSNormalize,v=this._initDTS,g=!t.isAAC&&this.typeSupported.mpeg,m=void 0,y=void 0,b=void 0,E=void 0,T=void 0,S=void 0,A=void 0,_=t.samples,R=[],L=this.nextAudioPts;if(r|=_.length&&L&&(i&&Math.abs(e-L/u)<.1||Math.abs(_[0].pts-L-v)<20*h),_.forEach(function(t){t.pts=t.dts=p(t.pts-v,e*u)}),_=_.filter(function(t){return t.pts>=0}),0!==_.length){if(r||(L=i?e*u:_[0].pts),t.isAAC)for(var w=this.config.maxAudioFramesDrift,D=0,O=L;D<_.length;){var I,k=_[D],x=k.pts;I=x-O;var P=Math.abs(1e3*I/u);if(I<=-w*h)l.b.warn("Dropping 1 audio frame @ "+(O/u).toFixed(3)+"s due to "+Math.round(P)+" ms overlap."),_.splice(D,1),t.len-=k.unit.length;else if(I>=w*h&&P<1e4&&O){var C=Math.round(I/h);l.b.warn("Injecting "+C+" audio frame @ "+(O/u).toFixed(3)+"s due to "+Math.round(1e3*I/u)+" ms gap.");for(var F=0;F<C;F++){var M=Math.max(O,0);b=a.a.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),b||(l.b.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),b=k.unit.subarray()),_.splice(D,0,{unit:b,pts:M,dts:M}),t.len+=b.length,O+=h,D++}k.pts=k.dts=O,O+=h,D++}else Math.abs(I),k.pts=k.dts=O,O+=h,D++}for(var N=0,U=_.length;N<U;N++){var B=_[N],G=B.unit,j=B.pts;if(void 0!==A)y.duration=Math.round((j-A)/f);else{var K=Math.round(1e3*(j-L)/u),H=0;if(r&&t.isAAC&&K){if(K>0&&K<1e4)H=Math.round((j-L)/h),l.b.log(K+" ms hole between AAC samples detected,filling it"),H>0&&(b=a.a.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),b||(b=G.subarray()),t.len+=H*b.length);else if(K<-12){l.b.log("drop overlapping AAC sample, expected/parsed/delta:"+(L/u).toFixed(3)+"s/"+(j/u).toFixed(3)+"s/"+-K+"ms"),t.len-=G.byteLength;continue}j=L}if(S=j,!(t.len>0))return;var V=g?t.len:t.len+8;m=g?0:8;try{E=new Uint8Array(V)}catch(t){return void this.observer.trigger(o.a.ERROR,{type:s.b.MUX_ERROR,details:s.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:V,reason:"fail allocating audio mdat "+V})}if(!g){new DataView(E.buffer).setUint32(0,V),E.set(n.a.types.mdat,4)}for(var W=0;W<H;W++)b=a.a.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),b||(l.b.log("Unable to get silent frame for given audio codec; duplicating this frame instead."),b=G.subarray()),E.set(b,m),m+=b.byteLength,y={size:b.byteLength,cts:0,duration:1024,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},R.push(y)}E.set(G,m);var Y=G.byteLength;m+=Y,y={size:Y,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},R.push(y),A=j}var z=0,X=R.length;if(X>=2&&(z=R[X-2].duration,y.duration=z),X){this.nextAudioPts=L=A+f*z,t.len=0,t.samples=R,T=g?new Uint8Array:n.a.moof(t.sequenceNumber++,S/f,t),t.samples=[];var q=S/u,Q=L/u,Z={data1:T,data2:E,startPTS:q,endPTS:Q,startDTS:q,endDTS:Q,type:"audio",hasAudio:!0,hasVideo:!1,nb:X};return this.observer.trigger(o.a.FRAG_PARSING_DATA,Z),Z}return null}},t.prototype.remuxEmptyAudio=function(t,e,r,i){var n=t.inputTimeScale,o=t.samplerate?t.samplerate:n,s=n/o,u=this.nextAudioPts,d=(void 0!==u?u:i.startDTS*n)+this._initDTS,f=i.endDTS*n+this._initDTS,c=1024*s,h=Math.ceil((f-d)/c),p=a.a.getSilentFrame(t.manifestCodec||t.codec,t.channelCount);if(l.b.warn("remux empty Audio"),!p)return void l.b.trace("Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!");for(var v=[],g=0;g<h;g++){var m=d+g*c;v.push({unit:p,pts:m,dts:m}),t.len+=p.length}t.samples=v,this.remuxAudio(t,e,r)},t.prototype.remuxID3=function(t,e){var r=t.samples.length,i=void 0,a=t.inputTimeScale,n=this._initPTS,s=this._initDTS;if(r){for(var l=0;l<r;l++)i=t.samples[l],i.pts=(i.pts-n)/a,i.dts=(i.dts-s)/a;this.observer.trigger(o.a.FRAG_PARSING_METADATA,{samples:t.samples})}t.samples=[],e=e},t.prototype.remuxText=function(t,e){t.samples.sort(function(t,e){return t.pts-e.pts});var r=t.samples.length,i=void 0,a=t.inputTimeScale,n=this._initPTS;if(r){for(var s=0;s<r;s++)i=t.samples[s],i.pts=(i.pts-n)/a;this.observer.trigger(o.a.FRAG_PARSING_USERDATA,{samples:t.samples})}t.samples=[],e=e},t.prototype._PTSNormalize=function(t,e){var r=void 0;if(void 0===e)return t;for(r=e<t?-8589934592:8589934592;Math.abs(t-e)>4294967296;)t+=r;return t},t}();e.a=u},function(t,e,r){"use strict";function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var a=function(){function t(){i(this,t)}return t.getSilentFrame=function(t,e){switch(t){case"mp4a.40.2":if(1===e)return new Uint8Array([0,200,0,128,35,128]);if(2===e)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(3===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(4===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(5===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,56]);if(6===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,0,178,0,32,8,224]);break;default:if(1===e)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(2===e)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(3===e)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94])}return null},t}();e.a=a},function(t,e,r){"use strict";function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var a=Math.pow(2,32)-1,n=function(){function t(){i(this,t)}return t.init=function(){t.types={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],".mp3":[],mvex:[],mvhd:[],pasp:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[]};var e=void 0;for(e in t.types)t.types.hasOwnProperty(e)&&(t.types[e]=[e.charCodeAt(0),e.charCodeAt(1),e.charCodeAt(2),e.charCodeAt(3)]);var r=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),i=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]);t.HDLR_TYPES={video:r,audio:i};var a=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),n=new Uint8Array([0,0,0,0,0,0,0,0]);t.STTS=t.STSC=t.STCO=n,t.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),t.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),t.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),t.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var o=new Uint8Array([105,115,111,109]),s=new Uint8Array([97,118,99,49]),l=new Uint8Array([0,0,0,1]);t.FTYP=t.box(t.types.ftyp,o,l,o,s),t.DINF=t.box(t.types.dinf,t.box(t.types.dref,a))},t.box=function(t){for(var e=Array.prototype.slice.call(arguments,1),r=8,i=e.length,a=i,n=void 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t.box(t.types.moof,t.mfhd(e),t.traf(i,r))},t.moov=function(e){for(var r=e.length,i=[];r--;)i[r]=t.trak(e[r]);return t.box.apply(null,[t.types.moov,t.mvhd(e[0].timescale,e[0].duration)].concat(i).concat(t.mvex(e)))},t.mvex=function(e){for(var r=e.length,i=[];r--;)i[r]=t.trex(e[r]);return t.box.apply(null,[t.types.mvex].concat(i))},t.mvhd=function(e,r){r*=e;var i=Math.floor(r/(a+1)),n=Math.floor(r%(a+1)),o=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,i>>24,i>>16&255,i>>8&255,255&i,n>>24,n>>16&255,n>>8&255,255&n,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return t.box(t.types.mvhd,o)},t.sdtp=function(e){var r=e.samples||[],i=new Uint8Array(4+r.length),a=void 0,n=void 0;for(n=0;n<r.length;n++)a=r[n].flags,i[n+4]=a.dependsOn<<4|a.isDependedOn<<2|a.hasRedundancy;return t.box(t.types.sdtp,i)},t.stbl=function(e){return 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t.bitrate-e.bitrate}),this._levels=e;for(var p=0;p<e.length;p++)if(e[p].bitrate===r){this._firstLevel=p,l.b.log("manifest loaded,"+e.length+" level(s) found, first bitrate:"+r);break}this.hls.trigger(o.a.MANIFEST_PARSED,{levels:e,audioTracks:h,firstLevel:this._firstLevel,stats:t.stats,audio:s,video:n,altAudio:h.length>0&&n})}else this.hls.trigger(o.a.ERROR,{type:u.b.MEDIA_ERROR,details:u.a.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:this.hls.url,reason:"no level with compatible codecs found in manifest"})},e.prototype.setLevelInternal=function(t){var e=this._levels,r=this.hls;if(t>=0&&t<e.length){if(this.clearTimer(),this.currentLevelIndex!==t){l.b.log("switching to level "+t),this.currentLevelIndex=t;var i=e[t];i.level=t,r.trigger(o.a.LEVEL_SWITCHING,i)}var a=e[t],n=a.details;if(!n||n.live){var s=a.urlId;r.trigger(o.a.LEVEL_LOADING,{url:a.url[s],level:t,id:s})}}else r.trigger(o.a.ERROR,{type:u.b.OTHER_ERROR,details:u.a.LEVEL_SWITCH_ERROR,level:t,fatal:!1,reason:"invalid level idx"})},e.prototype.onError=function(t){if(t.fatal)return void(t.type===u.b.NETWORK_ERROR&&this.clearTimer());var e=!1,r=!1,i=void 0;switch(t.details){case u.a.FRAG_LOAD_ERROR:case u.a.FRAG_LOAD_TIMEOUT:case u.a.KEY_LOAD_ERROR:case u.a.KEY_LOAD_TIMEOUT:i=t.frag.level,r=!0;break;case u.a.LEVEL_LOAD_ERROR:case u.a.LEVEL_LOAD_TIMEOUT:i=t.context.level,e=!0;break;case u.a.REMUX_ALLOC_ERROR:i=t.level,e=!0}void 0!==i&&this.recoverLevel(t,i,e,r)},e.prototype.recoverLevel=function(t,e,r,i){var a=this,n=this.hls.config,o=t.details,s=this._levels[e],u=void 0,d=void 0,f=void 0;if(s.loadError++,s.fragmentError=i,r){if(!(this.levelRetryCount+1<=n.levelLoadingMaxRetry))return l.b.error("level controller, cannot recover from "+o+" error"),this.currentLevelIndex=null,this.clearTimer(),void(t.fatal=!0);d=Math.min(Math.pow(2,this.levelRetryCount)*n.levelLoadingRetryDelay,n.levelLoadingMaxRetryTimeout),this.timer=setTimeout(function(){return a.loadLevel()},d),t.levelRetry=!0,this.levelRetryCount++,l.b.warn("level controller, "+o+", retry in "+d+" ms, current retry count is "+this.levelRetryCount)}(r||i)&&(u=s.url.length,u>1&&s.loadError<u?(s.urlId=(s.urlId+1)%u,s.details=void 0,l.b.warn("level controller, "+o+" for level "+e+": switching to redundant URL-id "+s.urlId)):-1===this.manualLevelIndex?(f=0===e?this._levels.length-1:e-1,l.b.warn("level controller, "+o+": switch to "+f),this.hls.nextAutoLevel=this.currentLevelIndex=f):i&&(l.b.warn("level controller, "+o+": reload a fragment"),this.currentLevelIndex=null))},e.prototype.onFragLoaded=function(t){var e=t.frag;if(void 0!==e&&"main"===e.type){var r=this._levels[e.level];void 0!==r&&(r.fragmentError=!1,r.loadError=0,this.levelRetryCount=0)}},e.prototype.onLevelLoaded=function(t){var e=this,r=t.level;if(r===this.currentLevelIndex){var i=this._levels[r];i.fragmentError||(i.loadError=0,this.levelRetryCount=0);var a=t.details;if(a.live){var n=1e3*(a.averagetargetduration?a.averagetargetduration:a.targetduration),o=n,s=i.details;s&&a.endSN===s.endSN&&(o/=2,l.b.log("same live playlist, reload twice faster")),o-=v.now()-t.stats.trequest,o=Math.max(n/2,Math.round(o)),l.b.log("live playlist, reload in "+Math.round(o)+" ms"),this.timer=setTimeout(function(){return e.loadLevel()},o)}else this.clearTimer()}},e.prototype.onAudioTrackSwitched=function(t){var e=this.hls.audioTracks[t.id].groupId,r=this.hls.levels[this.currentLevelIndex];if(r&&r.audioGroupIds){var i=r.audioGroupIds.findIndex(function(t){return t===e});i!==r.urlId&&(r.urlId=i,this.startLoad())}},e.prototype.loadLevel=function(){if(l.b.debug("call to loadLevel"),null!==this.currentLevelIndex&&this.canload){var t=this._levels[this.currentLevelIndex];if("object"===(void 0===t?"undefined":c(t))&&t.url.length>0){var e=this.currentLevelIndex,r=t.urlId,i=t.url[r];l.b.log("Attempt loading level index "+e+" with URL-id "+r),this.hls.trigger(o.a.LEVEL_LOADING,{url:i,level:e,id:r})}}},h(e,[{key:"levels",get:function(){return this._levels}},{key:"level",get:function(){return this.currentLevelIndex},set:function(t){var e=this._levels;e&&(t=Math.min(t,e.length-1),this.currentLevelIndex===t&&e[t].details||this.setLevelInternal(t))}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(t){this.manualLevelIndex=t,void 0===this._startLevel&&(this._startLevel=t),-1!==t&&(this.level=t)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(t){this._firstLevel=t}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var t=this.hls.config.startLevel;return void 0!==t?t:this._firstLevel}return this._startLevel},set:function(t){this._startLevel=t}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(t){this.level=t,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=t)}}]),e}(s.a);e.a=g},function(t,e,r){"use strict";function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function n(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}var o=r(1),s=r(3),l=r(10),u=r(51),d=function(t){function e(r){i(this,e);var n=a(this,t.call(this,r,o.a.MEDIA_ATTACHED,o.a.MEDIA_DETACHING,o.a.FRAG_PARSING_METADATA));return n.id3Track=void 0,n.media=void 0,n}return n(e,t),e.prototype.destroy=function(){s.a.prototype.destroy.call(this)},e.prototype.onMediaAttached=function(t){this.media=t.media,this.media},e.prototype.onMediaDetaching=function(){Object(u.a)(this.id3Track),this.id3Track=void 0,this.media=void 0},e.prototype.getID3Track=function(t){for(var e=0;e<t.length;e++){var r=t[e];if("metadata"===r.kind&&"id3"===r.label)return Object(u.b)(r,this.media),r}return this.media.addTextTrack("metadata","id3")},e.prototype.onFragParsingMetadata=function(t){var e=t.frag,r=t.samples;this.id3Track||(this.id3Track=this.getID3Track(this.media.textTracks),this.id3Track.mode="hidden");for(var i=window.WebKitDataCue||window.VTTCue||window.TextTrackCue,a=0;a<r.length;a++){var n=l.a.getID3Frames(r[a].data);if(n){var o=r[a].pts,s=a<r.length-1?r[a+1].pts:e.endPTS;o===s&&(s+=1e-4);for(var u=0;u<n.length;u++){var d=n[u];if(!l.a.isTimeStampFrame(d)){var f=new i(o,s,"");f.value=d,this.id3Track.addCue(f)}}}}},e}(s.a);e.a=d},function(t,e,r){"use strict";function i(t,e){var r=null;try{r=new window.Event("addtrack")}catch(t){r=document.createEvent("Event"),r.initEvent("addtrack",!1,!1)}r.track=t,e.dispatchEvent(r)}function a(t){if(t&&t.cues)for(;t.cues.length>0;)t.removeCue(t.cues[0])}e.b=i,e.a=a},function(t,e,r){"use strict";function i(){var t=Object(a.a)(),e=window.SourceBuffer||window.WebKitSourceBuffer,r=t&&"function"==typeof t.isTypeSupported&&t.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"'),i=!e||e.prototype&&"function"==typeof e.prototype.appendBuffer&&"function"==typeof e.prototype.remove;return!!r&&!!i}e.a=i;var a=r(11)},function(t,e,r){"use strict";r.d(e,"a",function(){return g});var i=r(54),a=r(57),n=r(58),o=r(59),s=r(60),l=r(4),u=(r.n(l),r(4)),d=(r.n(u),r(4)),f=(r.n(d),r(4)),c=(r.n(f),r(4)),h=(r.n(c),r(4)),p=(r.n(h),r(4)),v=(r.n(p),r(61)),g={autoStartLoad:!0,startPosition:-1,defaultAudioCodec:void 0,debug:!1,capLevelOnFPSDrop:!1,capLevelToPlayerSize:!1,initialLiveManifestSize:1,maxBufferLength:30,maxBufferSize:6e7,maxBufferHole:.5,lowBufferWatchdogPeriod:.5,highBufferWatchdogPeriod:3,nudgeOffset:.1,nudgeMaxRetry:3,maxFragLookUpTolerance:.25,liveSyncDurationCount:3,liveMaxLatencyDurationCount:1/0,liveSyncDuration:void 0,liveMaxLatencyDuration:void 0,liveDurationInfinity:!1,maxMaxBufferLength:600,enableWorker:!0,enableSoftwareAES:!0,manifestLoadingTimeOut:1e4,manifestLoadingMaxRetry:1,manifestLoadingRetryDelay:1e3,manifestLoadingMaxRetryTimeout:64e3,startLevel:void 0,levelLoadingTimeOut:1e4,levelLoadingMaxRetry:4,levelLoadingRetryDelay:1e3,levelLoadingMaxRetryTimeout:64e3,fragLoadingTimeOut:2e4,fragLoadingMaxRetry:6,fragLoadingRetryDelay:1e3,fragLoadingMaxRetryTimeout:64e3,startFragPrefetch:!1,fpsDroppedMonitoringPeriod:5e3,fpsDroppedMonitoringThreshold:.2,appendErrorMaxRetry:3,loader:s.a,fLoader:void 0,pLoader:void 0,xhrSetup:void 0,licenseXhrSetup:void 0,abrController:i.a,bufferController:a.a,capLevelController:n.a,fpsController:o.a,stretchShortVideoTrack:!1,maxAudioFramesDrift:1,forceKeyFrameOnDiscontinuity:!0,abrEwmaFastLive:3,abrEwmaSlowLive:9,abrEwmaFastVoD:3,abrEwmaSlowVoD:9,abrEwmaDefaultEstimate:5e5,abrBandWidthFactor:.95,abrBandWidthUpFactor:.7,abrMaxWithRealBitrate:!1,maxStarvationDelay:4,maxLoadingDelay:4,minAutoBitrate:0,emeEnabled:!1,widevineLicenseUrl:void 0,requestMediaKeySystemAccessFunc:v.a}},function(t,e,r){"use strict";function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function n(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}var o=r(1),s=r(3),l=r(8),u=r(2),d=r(0),f=r(55),c=function(){function t(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}return function(e,r,i){return r&&t(e.prototype,r),i&&t(e,i),e}}(),h=window,p=h.performance,v=function(t){function e(r){i(this,e);var n=a(this,t.call(this,r,o.a.FRAG_LOADING,o.a.FRAG_LOADED,o.a.FRAG_BUFFERED,o.a.ERROR));return n.lastLoadedFragLevel=0,n._nextAutoLevel=-1,n.hls=r,n.timer=null,n._bwEstimator=null,n.onCheck=n._abandonRulesCheck.bind(n),n}return n(e,t),e.prototype.destroy=function(){this.clearTimer(),s.a.prototype.destroy.call(this)},e.prototype.onFragLoading=function(t){var e=t.frag;if("main"===e.type&&(this.timer||(this.fragCurrent=e,this.timer=setInterval(this.onCheck,100)),!this._bwEstimator)){var r=this.hls,i=r.config,a=e.level,n=r.levels[a].details.live,o=void 0,s=void 0;n?(o=i.abrEwmaFastLive,s=i.abrEwmaSlowLive):(o=i.abrEwmaFastVoD,s=i.abrEwmaSlowVoD),this._bwEstimator=new f.a(r,s,o,i.abrEwmaDefaultEstimate)}},e.prototype._abandonRulesCheck=function(){var t=this.hls,e=t.media,r=this.fragCurrent;if(r){var i=r.loader,a=t.minAutoLevel;if(!i||i.stats&&i.stats.aborted)return d.b.warn("frag loader destroy or aborted, disarm abandonRules"),this.clearTimer(),void(this._nextAutoLevel=-1);var n=i.stats;if(e&&n&&(!e.paused&&0!==e.playbackRate||!e.readyState)&&r.autoLevel&&r.level){var s=p.now()-n.trequest,u=Math.abs(e.playbackRate);if(s>500*r.duration/u){var f=t.levels,c=Math.max(1,n.bw?n.bw/8:1e3*n.loaded/s),h=f[r.level],v=h.realBitrate?Math.max(h.realBitrate,h.bitrate):h.bitrate,g=n.total?n.total:Math.max(n.loaded,Math.round(r.duration*v/8)),m=e.currentTime,y=(g-n.loaded)/c,b=(l.a.bufferInfo(e,m,t.config.maxBufferHole).end-m)/u;if(b<2*r.duration/u&&y>b){var E=void 0,T=void 0;for(T=r.level-1;T>a;T--){var S=f[T].realBitrate?Math.max(f[T].realBitrate,f[T].bitrate):f[T].bitrate;if((E=r.duration*S/(6.4*c))<b)break}E<y&&(d.b.warn("loading too slow, abort fragment loading and switch to level "+T+":fragLoadedDelay["+T+"]<fragLoadedDelay["+(r.level-1)+"];bufferStarvationDelay:"+E.toFixed(1)+"<"+y.toFixed(1)+":"+b.toFixed(1)),t.nextLoadLevel=T,this._bwEstimator.sample(s,n.loaded),i.abort(),this.clearTimer(),t.trigger(o.a.FRAG_LOAD_EMERGENCY_ABORTED,{frag:r,stats:n}))}}}}},e.prototype.onFragLoaded=function(t){var e=t.frag;if("main"===e.type&&!isNaN(e.sn)){if(this.clearTimer(),this.lastLoadedFragLevel=e.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var r=this.hls.levels[e.level],i=(r.loaded?r.loaded.bytes:0)+t.stats.loaded,a=(r.loaded?r.loaded.duration:0)+t.frag.duration;r.loaded={bytes:i,duration:a},r.realBitrate=Math.round(8*i/a)}if(t.frag.bitrateTest){var n=t.stats;n.tparsed=n.tbuffered=n.tload,this.onFragBuffered(t)}}},e.prototype.onFragBuffered=function(t){var e=t.stats,r=t.frag;if(!(!0===e.aborted||"main"!==r.type||isNaN(r.sn)||r.bitrateTest&&e.tload!==e.tbuffered)){var i=e.tparsed-e.trequest;d.b.log("latency/loading/parsing/append/kbps:"+Math.round(e.tfirst-e.trequest)+"/"+Math.round(e.tload-e.tfirst)+"/"+Math.round(e.tparsed-e.tload)+"/"+Math.round(e.tbuffered-e.tparsed)+"/"+Math.round(8*e.loaded/(e.tbuffered-e.trequest))),this._bwEstimator.sample(i,e.loaded),e.bwEstimate=this._bwEstimator.getEstimate(),r.bitrateTest?this.bitrateTestDelay=i/1e3:this.bitrateTestDelay=0}},e.prototype.onError=function(t){switch(t.details){case u.a.FRAG_LOAD_ERROR:case u.a.FRAG_LOAD_TIMEOUT:this.clearTimer()}},e.prototype.clearTimer=function(){clearInterval(this.timer),this.timer=null},e.prototype._findBestLevel=function(t,e,r,i,a,n,o,s,l){for(var u=a;u>=i;u--){var f=l[u];if(f){var c=f.details,h=c?c.totalduration/c.fragments.length:e,p=!!c&&c.live,v=void 0;v=u<=t?o*r:s*r;var g=l[u].realBitrate?Math.max(l[u].realBitrate,l[u].bitrate):l[u].bitrate,m=g*h/v;if(d.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+u+"/"+Math.round(v)+"/"+g+"/"+h+"/"+n+"/"+m),v>g&&(!m||p&&!this.bitrateTestDelay||m<n))return u}}return-1},c(e,[{key:"nextAutoLevel",get:function(){var t=this._nextAutoLevel,e=this._bwEstimator;if(!(-1===t||e&&e.canEstimate()))return t;var r=this._nextABRAutoLevel;return-1!==t&&(r=Math.min(t,r)),r},set:function(t){this._nextAutoLevel=t}},{key:"_nextABRAutoLevel",get:function(){var t=this.hls,e=t.maxAutoLevel,r=t.levels,i=t.config,a=t.minAutoLevel,n=t.media,o=this.lastLoadedFragLevel,s=this.fragCurrent?this.fragCurrent.duration:0,u=n?n.currentTime:0,f=n&&0!==n.playbackRate?Math.abs(n.playbackRate):1,c=this._bwEstimator?this._bwEstimator.getEstimate():i.abrEwmaDefaultEstimate,h=(l.a.bufferInfo(n,u,i.maxBufferHole).end-u)/f,p=this._findBestLevel(o,s,c,a,e,h,i.abrBandWidthFactor,i.abrBandWidthUpFactor,r);if(p>=0)return p;d.b.trace("rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering");var v=s?Math.min(s,i.maxStarvationDelay):i.maxStarvationDelay,g=i.abrBandWidthFactor,m=i.abrBandWidthUpFactor;if(0===h){var y=this.bitrateTestDelay;if(y){v=(s?Math.min(s,i.maxLoadingDelay):i.maxLoadingDelay)-y,d.b.trace("bitrate test took "+Math.round(1e3*y)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*v)+" ms"),g=m=1}}return p=this._findBestLevel(o,s,c,a,e,h+v,g,m,r),Math.max(p,0)}}]),e}(s.a);e.a=v},function(t,e,r){"use strict";function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var a=r(56),n=function(){function t(e,r,n,o){i(this,t),this.hls=e,this.defaultEstimate_=o,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new a.a(r),this.fast_=new a.a(n)}return t.prototype.sample=function(t,e){t=Math.max(t,this.minDelayMs_);var r=8e3*e/t,i=t/1e3;this.fast_.sample(i,r),this.slow_.sample(i,r)},t.prototype.canEstimate=function(){var t=this.fast_;return t&&t.getTotalWeight()>=this.minWeight_},t.prototype.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},t.prototype.destroy=function(){},t}();e.a=n},function(t,e,r){"use strict";function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var a=function(){function t(e){i(this,t),this.alpha_=e?Math.exp(Math.log(.5)/e):0,this.estimate_=0,this.totalWeight_=0}return t.prototype.sample=function(t,e){var r=Math.pow(this.alpha_,t);this.estimate_=e*(1-r)+r*this.estimate_,this.totalWeight_+=t},t.prototype.getTotalWeight=function(){return this.totalWeight_},t.prototype.getEstimate=function(){if(this.alpha_){var t=1-Math.pow(this.alpha_,this.totalWeight_);return this.estimate_/t}return this.estimate_},t}();e.a=a},function(t,e,r){"use strict";function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof 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f;this.onmso=this.onMediaSourceOpen.bind(this),this.onmse=this.onMediaSourceEnded.bind(this),this.onmsc=this.onMediaSourceClose.bind(this),r.addEventListener("sourceopen",this.onmso),r.addEventListener("sourceended",this.onmse),r.addEventListener("sourceclose",this.onmsc),e.src=window.URL.createObjectURL(r),this._objectUrl=e.src}},e.prototype.onMediaDetaching=function(){l.b.log("media source detaching");var t=this.mediaSource;if(t){if("open"===t.readyState)try{t.endOfStream()}catch(t){l.b.warn("onMediaDetaching:"+t.message+" while calling endOfStream")}t.removeEventListener("sourceopen",this.onmso),t.removeEventListener("sourceended",this.onmse),t.removeEventListener("sourceclose",this.onmsc),this.media&&(window.URL.revokeObjectURL(this._objectUrl),this.media.src===this._objectUrl?(this.media.removeAttribute("src"),this.media.load()):l.b.warn("media.src was changed by a third party - skip cleanup")),this.mediaSource=null,this.media=null,this._objectUrl=null,this.pendingTracks={},this.tracks={},this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0}this.onmso=this.onmse=this.onmsc=null,this.hls.trigger(o.a.MEDIA_DETACHED)},e.prototype.onMediaSourceOpen=function(){l.b.log("media source opened"),this.hls.trigger(o.a.MEDIA_ATTACHED,{media:this.media});var t=this.mediaSource;t&&t.removeEventListener("sourceopen",this.onmso),this.checkPendingTracks()},e.prototype.checkPendingTracks=function(){var t=this.pendingTracks,e=Object.keys(t).length;e&&(this.sourceBufferNb<=e||0===this.sourceBufferNb)&&(this.createSourceBuffers(t),this.pendingTracks={},this.doAppending())},e.prototype.onMediaSourceClose=function(){l.b.log("media source closed")},e.prototype.onMediaSourceEnded=function(){l.b.log("media source ended")},e.prototype.onSBUpdateEnd=function(){if(this.audioTimestampOffset){var t=this.sourceBuffer.audio;l.b.warn("change mpeg audio timestamp offset from "+t.timestampOffset+" to "+this.audioTimestampOffset),t.timestampOffset=this.audioTimestampOffset,delete this.audioTimestampOffset}this._needsFlush&&this.doFlush(),this._needsEos&&this.checkEos(),this.appending=!1;var e=this.parent,r=this.segments.reduce(function(t,r){return r.parent===e?t+1:t},0),i={},a=this.sourceBuffer;for(var n in a)i[n]=a[n].buffered;this.hls.trigger(o.a.BUFFER_APPENDED,{parent:e,pending:r,timeRanges:i}),this._needsFlush||this.doAppending(),this.updateMediaElementDuration()},e.prototype.onSBUpdateError=function(t){l.b.error("sourceBuffer error:",t),this.hls.trigger(o.a.ERROR,{type:u.b.MEDIA_ERROR,details:u.a.BUFFER_APPENDING_ERROR,fatal:!1})},e.prototype.onBufferReset=function(){var t=this.sourceBuffer;for(var e in t){var r=t[e];try{this.mediaSource.removeSourceBuffer(r),r.removeEventListener("updateend",this.onsbue),r.removeEventListener("error",this.onsbe)}catch(t){}}this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0},e.prototype.onBufferCodecs=function(t){if(0===Object.keys(this.sourceBuffer).length){for(var e in t)this.pendingTracks[e]=t[e];var r=this.mediaSource;r&&"open"===r.readyState&&this.checkPendingTracks()}},e.prototype.createSourceBuffers=function(t){var e=this.sourceBuffer,r=this.mediaSource;for(var i in t)if(!e[i]){var a=t[i],n=a.levelCodec||a.codec,s=a.container+";codecs="+n;l.b.log("creating sourceBuffer("+s+")");try{var d=e[i]=r.addSourceBuffer(s);d.addEventListener("updateend",this.onsbue),d.addEventListener("error",this.onsbe),this.tracks[i]={codec:n,container:a.container},a.buffer=d}catch(t){l.b.error("error while trying to add sourceBuffer:"+t.message),this.hls.trigger(o.a.ERROR,{type:u.b.MEDIA_ERROR,details:u.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,err:t,mimeType:s})}}this.hls.trigger(o.a.BUFFER_CREATED,{tracks:t})},e.prototype.onBufferAppending=function(t){this._needsFlush||(this.segments?this.segments.push(t):this.segments=[t],this.doAppending())},e.prototype.onBufferAppendFail=function(t){l.b.error("sourceBuffer error:",t.event),this.hls.trigger(o.a.ERROR,{type:u.b.MEDIA_ERROR,details:u.a.BUFFER_APPENDING_ERROR,fatal:!1})},e.prototype.onBufferEos=function(t){var e=this.sourceBuffer,r=t.type;for(var i in e)r&&i!==r||e[i].ended||(e[i].ended=!0,l.b.log(i+" sourceBuffer now EOS"));this.checkEos()},e.prototype.checkEos=function(){var t=this.sourceBuffer,e=this.mediaSource;if(!e||"open"!==e.readyState)return void(this._needsEos=!1);for(var r in t){var i=t[r];if(!i.ended)return;if(i.updating)return void(this._needsEos=!0)}l.b.log("all media data available, signal endOfStream() to MediaSource and stop loading 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abort");if(this.appending)return;if(r&&r.length){var i=r.shift();try{var a=i.type,n=e[a];n?n.updating?r.unshift(i):(n.ended=!1,this.parent=i.parent,n.appendBuffer(i.data),this.appendError=0,this.appended++,this.appending=!0):this.onSBUpdateEnd()}catch(e){l.b.error("error while trying to append buffer:"+e.message),r.unshift(i);var s={type:u.b.MEDIA_ERROR,parent:i.parent};22!==e.code?(this.appendError?this.appendError++:this.appendError=1,s.details=u.a.BUFFER_APPEND_ERROR,this.appendError>t.config.appendErrorMaxRetry?(l.b.log("fail "+t.config.appendErrorMaxRetry+" times to append segment in sourceBuffer"),r=[],s.fatal=!0,t.trigger(o.a.ERROR,s)):(s.fatal=!1,t.trigger(o.a.ERROR,s))):(this.segments=[],s.details=u.a.BUFFER_FULL_ERROR,s.fatal=!1,t.trigger(o.a.ERROR,s))}}}},e.prototype.flushBuffer=function(t,e,r){var i=void 0,a=void 0,n=void 0,o=void 0,s=void 0,u=void 0,d=this.sourceBuffer;if(Object.keys(d).length){if(l.b.log("flushBuffer,pos/start/end: 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n(e,t),e.prototype.destroy=function(){this.hls.config.capLevelToPlayerSize&&(this.media=null,this._stopCapping())},e.prototype.onFpsDropLevelCapping=function(t){e.isLevelAllowed(t.droppedLevel,this.restrictedLevels)&&this.restrictedLevels.push(t.droppedLevel)},e.prototype.onMediaAttaching=function(t){this.media=t.media instanceof window.HTMLVideoElement?t.media:null},e.prototype.onManifestParsed=function(t){var e=this.hls;this.restrictedLevels=[],this.levels=t.levels,this.firstLevel=t.firstLevel,e.config.capLevelToPlayerSize&&(t.video||t.levels.length&&t.altAudio)&&this._startCapping()},e.prototype.onBufferCodecs=function(t){this.hls.config.capLevelToPlayerSize&&t.video&&this._startCapping()},e.prototype.onLevelsUpdated=function(t){this.levels=t.levels},e.prototype.onMediaDetaching=function(){this._stopCapping()},e.prototype.detectPlayerSize=function(){if(this.media){var t=this.levels?this.levels.length:0;if(t){var 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