hls.light.min.js

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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 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*(\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)(.*):(.*))|(?:(#)(.*))(?:.*)\r?\n?/,v=function(){function t(){i(this,t)}return t.findGroup=function(t,e){if(!t)return null;for(var r=null,i=0;i<t.length;i++){var a=t[i];a.id===e&&(r=a)}return r},t.convertAVC1ToAVCOTI=function(t){var e=void 0,r=t.split(".");return r.length>2?(e=r.shift()+".",e+=parseInt(r.shift()).toString(16),e+=("000"+parseInt(r.shift()).toString(16)).substr(-4)):e=t,e},t.resolve=function(t,e){return n.a.buildAbsoluteURL(e,t,{alwaysNormalize:!0})},t.parseMasterPlaylist=function(e,r){var i=[],a=void 0;for(f.lastIndex=0;null!=(a=f.exec(e));){var n={},o=n.attrs=new l.a(a[1]);n.url=t.resolve(a[2],r);var 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(u.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 d={},u=new l.a(n[1]);if(u.TYPE===i){if(d.groupId=u["GROUP-ID"],d.name=u.NAME,d.type=i,d.default="YES"===u.DEFAULT,d.autoselect="YES"===u.AUTOSELECT,d.forced="YES"===u.FORCED,u.URI&&(d.url=t.resolve(u.URI,r)),d.lang=u.LANGUAGE,d.name||(d.name=d.lang),a.length){var f=t.findGroup(a,d.groupId);d.audioCodec=f?f.codec:a[0].codec}d.id=s++,o.push(d)}}return o},t.parseLevelPlaylist=function(t,e,r,i){var a=0,n=0,u={type:null,version:null,url:e,fragments:[],live:!0,startSN:0},f=new s.a,c=0,v=null,g=new o.a,m=void 0,y=void 0;for(h.lastIndex=0;null!==(m=h.exec(t));){var b=m[1];if(b){g.duration=parseFloat(b);var E=(" "+m[2]).slice(1);g.title=E||null,g.tagList.push(E?["INF",b,E]:["INF",b])}else if(m[3]){if(!isNaN(g.duration)){var T=a++;g.type=i,g.start=n,g.levelkey=f,g.sn=T,g.level=r,g.cc=c,g.baseurl=e,g.relurl=(" "+m[3]).slice(1),u.programDateTime&&(v?g.rawProgramDateTime?g.pdt=Date.parse(g.rawProgramDateTime):g.pdt=v.pdt+1e3*v.duration:g.pdt=Date.parse(u.programDateTime),g.endPdt=g.pdt+1e3*g.duration),u.fragments.push(g),v=g,n+=g.duration,g=new o.a}}else if(m[4]){if(g.rawByteRange=(" "+m[4]).slice(1),v){var S=v.byteRangeEndOffset;S&&(g.lastByteRangeEndOffset=S)}}else if(m[5])g.rawProgramDateTime=(" "+m[5]).slice(1),g.tagList.push(["PROGRAM-DATE-TIME",g.rawProgramDateTime]),void 0===u.programDateTime&&(u.programDateTime=new Date(new Date(Date.parse(m[5]))-1e3*n));else{for(m=m[0].match(p),y=1;y<m.length&&void 0===m[y];y++);var A=(" "+m[y+1]).slice(1),R=(" "+m[y+2]).slice(1);switch(m[y]){case"#":g.tagList.push(R?[A,R]:[A]);break;case"PLAYLIST-TYPE":u.type=A.toUpperCase();break;case"MEDIA-SEQUENCE":a=u.startSN=parseInt(A);break;case"TARGETDURATION":u.targetduration=parseFloat(A);break;case"VERSION":u.version=parseInt(A);break;case"EXTM3U":break;case"ENDLIST":u.live=!1;break;case"DIS":c++,g.tagList.push(["DIS"]);break;case"DISCONTINUITY-SEQ":c=parseInt(A);break;case"KEY":var _=A,L=new l.a(_),w=L.enumeratedString("METHOD"),D=L.URI,O=L.hexadecimalInteger("IV");w&&(f=new s.a,D&&["AES-128","SAMPLE-AES","SAMPLE-AES-CENC"].indexOf(w)>=0&&(f.method=w,f.baseuri=e,f.reluri=D,f.key=null,f.iv=O));break;case"START":var I=A,x=new l.a(I),k=x.decimalFloatingPoint("TIME-OFFSET");isNaN(k)||(u.startTimeOffset=k);break;case"MAP":var P=new l.a(A);g.relurl=P.URI,g.rawByteRange=P.BYTERANGE,g.baseurl=e,g.level=r,g.type=i,g.sn="initSegment",u.initSegment=g,g=new o.a;break;default:d.b.warn("line parsed but not handled: "+m)}}}return g=v,g&&!g.relurl&&(u.fragments.pop(),n-=g.duration),u.totalduration=n,u.averagetargetduration=n/u.fragments.length,u.endSN=a-1,u.startCC=u.fragments[0]?u.fragments[0].cc:0,u.endCC=c,!u.initSegment&&u.fragments.length&&u.fragments.every(function(t){return t.relurl.endsWith(".mp4")})&&(d.b.warn("MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX"),g=new o.a,g.relurl=u.fragments[0].relurl,g.baseurl=e,g.level=r,g.type=i,g.sn="initSegment",u.initSegment=g,u.needSidxRanges=!0),u},t}();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=/^(\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 e>Number.MAX_SAFE_INTEGER?1/0:e},t.prototype.hexadecimalInteger=function(t){if(this[t]){var e=(this[t]||"0x").slice(2);e=(1&e.length?"0":"")+e;for(var r=new Uint8Array(e.length/2),i=0;i<e.length/2;i++)r[i]=parseInt(e.slice(2*i,2*i+2),16);return r}return null},t.prototype.hexadecimalIntegerAsNumber=function(t){var e=parseInt(this[t],16);return e>Number.MAX_SAFE_INTEGER?1/0:e},t.prototype.decimalFloatingPoint=function(t){return parseFloat(this[t])},t.prototype.enumeratedString=function(t){return this[t]},t.prototype.decimalResolution=function(t){var e=a.exec(this[t]);if(null!==e)return{width:parseInt(e[1],10),height:parseInt(e[2],10)}},t.parseAttrList=function(t){var e=void 0,r={};for(n.lastIndex=0;null!==(e=n.exec(t));){var i=e[2];0===i.indexOf('"')&&i.lastIndexOf('"')===i.length-1&&(i=i.slice(1,-1)),r[e[1]]=i}return r},t}();e.a=o},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(2),d=r(0),u=function(t){function e(r){i(this,e);var n=a(this,t.call(this,r,o.a.FRAG_LOADING));return n.loaders={},n}return n(e,t),e.prototype.destroy=function(){var e=this.loaders;for(var r in e){var i=e[r];i&&i.destroy()}this.loaders={},t.prototype.destroy.call(this)},e.prototype.onFragLoading=function(t){var e=t.frag,r=e.type,i=this.loaders,a=this.hls.config,n=a.fLoader,o=a.loader;e.loaded=0;var s=i[r];s&&(d.b.warn("abort previous fragment loader for type: "+r),s.abort()),s=i[r]=e.loader=a.fLoader?new n(a):new o(a);var l=void 0,u=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),u={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,u,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.loader;i&&i.abort(),this.loaders[e.type]=void 0,this.hls.trigger(o.a.ERROR,{type:l.b.NETWORK_ERROR,details:l.a.FRAG_LOAD_ERROR,fatal:!1,frag:e.frag,response:t,networkDetails:r})},e.prototype.loadtimeout=function(t,e){var r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,i=e.loader;i&&i.abort(),this.loaders[e.type]=void 0,this.hls.trigger(o.a.ERROR,{type:l.b.NETWORK_ERROR,details:l.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:e.frag,networkDetails:r})},e.prototype.loadprogress=function(t,e,r){var i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,a=e.frag;a.loaded=t.loaded,this.hls.trigger(o.a.FRAG_LOAD_PROGRESS,{frag:a,stats:t,networkDetails:i})},e}(s.a);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")}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(2),d=r(0),u=function(t){function e(r){i(this,e);var n=a(this,t.call(this,r,o.a.KEY_LOADING));return n.loaders={},n.decryptkey=null,n.decrypturl=null,n}return n(e,t),e.prototype.destroy=function(){for(var t in this.loaders){var e=this.loaders[t];e&&e.destroy()}this.loaders={},s.a.prototype.destroy.call(this)},e.prototype.onKeyLoading=function(t){var e=t.frag,r=e.type,i=this.loaders[r],a=e.decryptdata,n=a.uri;if(n!==this.decrypturl||null===this.decryptkey){var s=this.hls.config;i&&(d.b.warn("abort previous key loader for type:"+r),i.abort()),e.loader=this.loaders[r]=new s.loader(s),this.decrypturl=n,this.decryptkey=null;var l=void 0,u=void 0,f=void 0;l={url:n,frag:e,responseType:"arraybuffer"},u={timeout:s.fragLoadingTimeOut,maxRetry:s.fragLoadingMaxRetry,retryDelay:s.fragLoadingRetryDelay,maxRetryDelay:s.fragLoadingMaxRetryTimeout},f={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)},e.loader.load(l,u,f)}else this.decryptkey&&(a.key=this.decryptkey,this.hls.trigger(o.a.KEY_LOADED,{frag:e}))},e.prototype.loadsuccess=function(t,e,r){var i=r.frag;this.decryptkey=i.decryptdata.key=new Uint8Array(t.data),i.loader=void 0,this.loaders[i.type]=void 0,this.hls.trigger(o.a.KEY_LOADED,{frag:i})},e.prototype.loaderror=function(t,e){var r=e.frag,i=r.loader;i&&i.abort(),this.loaders[e.type]=void 0,this.hls.trigger(o.a.ERROR,{type:l.b.NETWORK_ERROR,details:l.a.KEY_LOAD_ERROR,fatal:!1,frag:r,response:t})},e.prototype.loadtimeout=function(t,e){var r=e.frag,i=r.loader;i&&i.abort(),this.loaders[e.type]=void 0,this.hls.trigger(o.a.ERROR,{type:l.b.NETWORK_ERROR,details:l.a.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},e}(s.a);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")}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(14),s=r(15),l=r(27),d=r(1),u=r(20),f=r(11),c=r(9),h=r(42),p=r(43),v=r(2),g=r(0),m=r(44),y=r(45),b=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}}(),E={STOPPED:"STOPPED",IDLE:"IDLE",KEY_LOADING:"KEY_LOADING",FRAG_LOADING:"FRAG_LOADING",FRAG_LOADING_WAITING_RETRY:"FRAG_LOADING_WAITING_RETRY",WAITING_LEVEL:"WAITING_LEVEL",PARSING:"PARSING",PARSED:"PARSED",BUFFER_FLUSHING:"BUFFER_FLUSHING",ENDED:"ENDED",ERROR:"ERROR"},T=function(t){function e(r,n){i(this,e);var o=a(this,t.call(this,r,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.MANIFEST_LOADING,d.a.MANIFEST_PARSED,d.a.LEVEL_LOADED,d.a.KEY_LOADED,d.a.FRAG_LOADED,d.a.FRAG_LOAD_EMERGENCY_ABORTED,d.a.FRAG_PARSING_INIT_SEGMENT,d.a.FRAG_PARSING_DATA,d.a.FRAG_PARSED,d.a.ERROR,d.a.AUDIO_TRACK_SWITCHING,d.a.AUDIO_TRACK_SWITCHED,d.a.BUFFER_CREATED,d.a.BUFFER_APPENDED,d.a.BUFFER_FLUSHED));return o.fragmentTracker=n,o.config=r.config,o.audioCodecSwap=!1,o._state=E.STOPPED,o}return n(e,t),e.prototype.onHandlerDestroying=function(){this.stopLoad()},e.prototype.onHandlerDestroyed=function(){this.state=E.STOPPED,this.fragmentTracker=null},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=E.IDLE,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()}else this.forceStartLoad=!0,this.state=E.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=E.STOPPED,this.forceStartLoad=!1},e.prototype.doTick=function(){switch(this.state){case E.BUFFER_FLUSHING:this.fragLoadError=0;break;case E.IDLE:this._doTickIdle();break;case E.WAITING_LEVEL:var t=this.levels[this.level];t&&t.details&&(this.state=E.IDLE);break;case E.FRAG_LOADING_WAITING_RETRY:var e=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=E.IDLE);break;case E.ERROR:case E.STOPPED:case E.FRAG_LOADING:case E.PARSING:case E.PARSED:case E.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 u=s.a.bufferInfo(this.mediaBuffer?this.mediaBuffer:r,i,e.maxBufferHole),f=u.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(void 0===c||!0===c.live&&this.levelLastLoaded!==a)return void(this.state=E.WAITING_LEVEL);var h=this.fragPrevious;if(!c.live&&h&&!h.backtracked&&h.sn===c.endSN&&!u.nextStart){if(Math.min(r.duration,h.start+h.duration)-Math.max(u.end,h.start)<=Math.max(.2,h.duration)){var p={};return this.altAudio&&(p.type="video"),this.hls.trigger(d.a.BUFFER_EOS,p),void(this.state=E.ENDED)}}this._fetchPayloadOrEos(i,u,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,d=e.end,u=void 0;if(r.initSegment&&!r.initSegment.data)u=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===(u=this._ensureFragmentAtLivePoint(r,d,s,l,i,n,o)))return}else d<s&&(u=n[0]);u||(u=this._findFragment(s,i,o,n,d,l,r)),u&&this._loadFragmentOrKey(u,a,r,t,d)}},e.prototype._ensureFragmentAtLivePoint=function(t,e,r,i,a,n,s){var l=this.hls.config,d=this.media,u=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,d&&d.readyState&&d.duration>c&&(d.currentTime=c),this.nextLoadPosition=c}if(t.PTSKnown&&e>i&&d&&d.readyState)return null;if(this.startFragRequested&&!t.PTSKnown){if(a)if(t.programDateTime)u=this._findFragmentByPDT(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&&(u=p,g.b.log("live playlist, switching playlist, load frag with next SN: "+u.sn))}u||(u=o.a.search(n,function(t){return a.cc-t.cc}))&&g.b.log("live playlist, switching playlist, load frag with same CC: "+u.sn)}u||(u=n[Math.min(s-1,Math.round(s/2))],g.b.log("live playlist, switching playlist, unknown, load middle frag : "+u.sn))}return u},e.prototype._findFragmentByPDT=function(t,e){if(!t||void 0===e)return null;if(e<t[0].pdt)return null;if(e>=t[t.length-1].endPdt)return null;for(var r=0;r<t.length;++r){var i=t[r];if(e<i.endPdt)return i}return null},e.prototype._findFragmentBySN=function(t,e,r,i){var a=this.hls.config,n=void 0,s=a.maxFragLookUpTolerance,l=t?e[t.sn-e[0].sn+1]:void 0,d=function(t){var e=Math.min(s,t.duration+(t.deltaPTS?t.deltaPTS:0));return t.start+t.duration-e<=r?1:t.start-e>r&&t.start?-1:0};return r<i&&(r>i-s&&(s=0),n=l&&!d(l)?l:o.a.search(e,d)),n},e.prototype._findFragment=function(t,e,r,i,a,n,o){var s=this.hls.config,l=void 0,d=void 0;if(d=a<n?o.programDateTime?this._findFragmentByPDT(i,1e3*a+(o.programDateTime?Date.parse(o.programDateTime):0)-1e3*t):this._findFragmentBySN(e,i,a,n):i[r-1]){l=d;var u=l.sn-o.startSN,f=e&&l.level===e.level,c=i[u-1],h=i[u+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&&u?(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):u&&(l=null)))}return l},e.prototype._loadFragmentOrKey=function(t,e,r,i,a){if(t.decryptdata&&null!=t.decryptdata.uri&&null==t.decryptdata.key)g.b.log("Loading key for "+t.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+e),this.state=E.KEY_LOADING,this.hls.trigger(d.a.KEY_LOADING,{frag:t});else{g.b.log("Loading "+t.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+e+", currentTime:"+i.toFixed(3)+",bufferEnd:"+a.toFixed(3));var n=this.fragmentTracker.getState(t);this.fragCurrent=t,this.startFragRequested=!0,isNaN(t.sn)||t.bitrateTest||(this.nextLoadPosition=t.start+t.duration),t.backtracked||n===u.a.NOT_LOADED?(t.autoLevel=this.hls.autoLevelEnabled,t.bitrateTest=this.bitrateTest,this.hls.trigger(d.a.FRAG_LOADING,{frag:t}),this.demuxer||(this.demuxer=new l.a(this.hls,"main")),this.state=E.FRAG_LOADING):n===u.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>r.playbackRate*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(d.a.FRAG_CHANGED,{frag:i});var a=i.level;this.fragPlaying&&this.fragPlaying.level===a||this.hls.trigger(d.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=E.BUFFER_FLUSHING;var r={startOffset:t,endOffset:e};this.altAudio&&(r.type="video"),this.hls.trigger(d.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)},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===E.FRAG_LOADING){var n=this.fragCurrent;if(0===a.len&&n){var o=r.maxFragLookUpTolerance,l=n.start-o,d=n.start+n.duration+o;e<l||e>d?(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=E.IDLE):g.b.log("seeking outside of buffer but within currently loaded fragment range")}}else this.state===E.ENDED&&(0===a.len&&(this.fragPrevious=0),this.state=E.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(d.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.a(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(d.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===E.WAITING_LEVEL&&(this.state=E.IDLE),this.tick()},e.prototype.onKeyLoaded=function(){this.state===E.KEY_LOADING&&(this.state=E.IDLE,this.tick())},e.prototype.onFragLoaded=function(t){var e=this.fragCurrent,r=t.frag;if(this.state===E.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=E.IDLE,this.startFragRequested=!1,i.tparsed=i.tbuffered=performance.now(),this.hls.trigger(d.a.FRAG_BUFFERED,{stats:i,frag:e,id:"main"}),this.tick();else if("initSegment"===r.sn)this.state=E.IDLE,i.tparsed=i.tbuffered=performance.now(),n.initSegment.data=t.payload,this.hls.trigger(d.a.FRAG_BUFFERED,{stats:i,frag:e,id:"main"}),this.tick();else{this.state=E.PARSING;var o=n.totalduration,s=e.level,u=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 "+u+" 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===E.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(d.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(d.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===E.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");else{var o=a.details;if(!o||n.sn!==o.startSN)return g.b.warn("missing video frame(s), backtracking fragment"),this.fragmentTracker.removeFragment(n),n.backtracked=!0,this.nextLoadPosition=t.startPTS,this.state=E.IDLE,this.fragPrevious=n,void this.tick();g.b.warn("missing video frame(s) on first frag, appending with gap")}else n.backtracked=!1;var s=h.b(a.details,n,t.startPTS,t.endPTS,t.startDTS,t.endDTS),l=this.hls;l.trigger(d.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===E.PARSING&&(e.appended=!0,e.pendingBuffering=!0,l.trigger(d.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===E.PARSING&&(this.stats.tparsed=performance.now(),this.state=E.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=E.IDLE}var a=this.hls;a.trigger(d.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),a.trigger(d.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!==E.PARSING&&e!==E.PARSED||(this.pendingBuffering=t.pending>0,this._checkAppendedParsed())}},e.prototype._checkAppendedParsed=function(){if(!(this.state!==E.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=performance.now(),this.fragLastKbps=Math.round(8*r.total/(r.tbuffered-r.tfirst)),this.hls.trigger(d.a.FRAG_BUFFERED,{stats:r,frag:t,id:"main"}),this.state=E.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=performance.now()+i,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.fragLoadError++,this.state=E.FRAG_LOADING_WAITING_RETRY}else g.b.error("mediaController: "+t.details+" reaches max retry, redispatch as fatal ..."),t.fatal=!0,this.state=E.ERROR;break;case v.a.LEVEL_LOAD_ERROR:case v.a.LEVEL_LOAD_TIMEOUT:this.state!==E.ERROR&&(t.fatal?(this.state=E.ERROR,g.b.warn("streamController: "+t.details+",switch to "+this.state+" state ...")):t.levelRetry||this.state!==E.WAITING_LEVEL||(this.state=E.IDLE));break;case v.a.BUFFER_FULL_ERROR:"main"!==t.parent||this.state!==E.PARSING&&this.state!==E.PARSED||(r?(this._reduceMaxBufferLength(this.config.maxBufferLength),this.state=E.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,e=this.config;if(t&&t.readyState){var r=t.currentTime,i=this.mediaBuffer?this.mediaBuffer:t,a=i.buffered;if(!this.loadedmetadata&&a.length){this.loadedmetadata=!0;var n=t.seeking?r:this.startPosition;r!==n&&(g.b.log("target start position not buffered, seek to buffered.start(0) "+n+" from current time"+r+" "),t.currentTime=n)}else if(this.immediateSwitch)this.immediateLevelSwitchEnd();else{var o=s.a.bufferInfo(t,r,e.maxBufferHole),l=!(t.paused&&t.readyState>1||t.ended||0===t.buffered.length),u=r!==this.lastCurrentTime;if(u)this.stallReported&&(g.b.warn("playback not stuck anymore @"+r+", after "+Math.round(performance.now()-this.stalled)+"ms"),this.stallReported=!1),this.stalled=void 0,this.nudgeRetry=0;else if(l){var f=performance.now(),c=this.hls;if(this.stalled){var h=f-this.stalled,p=o.len,m=this.nudgeRetry||0,y=this.fragmentTracker.getPartialFragment(r);if(null!==y)for(var b=0,E=0;E<t.buffered.length;E++){var T=t.buffered.start(E);if(r>=b&&r<T)return t.currentTime=Math.max(T,t.currentTime+.1),g.b.warn("skipping hole, adjusting currentTime from "+r+" to "+t.currentTime),this.stalled=void 0,void c.trigger(d.a.ERROR,{type:v.b.MEDIA_ERROR,details:v.a.BUFFER_SEEK_OVER_HOLE,fatal:!1,reason:"fragment loaded with buffer holes, seeking from "+r+" to "+t.currentTime,frag:y});b=t.buffered.end(E)}if(p>.5&&h>1e3*e.highBufferWatchdogPeriod)if(this.stallReported||(this.stallReported=!0,g.b.warn("playback stalling in high buffer @"+r),c.trigger(d.a.ERROR,{type:v.b.MEDIA_ERROR,details:v.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:p})),this.stalled=void 0,this.nudgeRetry=++m,m<e.nudgeMaxRetry){var S=t.currentTime,A=S+m*e.nudgeOffset;g.b.log("adjust currentTime from "+S+" to "+A),t.currentTime=A,c.trigger(d.a.ERROR,{type:v.b.MEDIA_ERROR,details:v.a.BUFFER_NUDGE_ON_STALL,fatal:!1})}else g.b.error("still stuck in high buffer @"+r+" after "+e.nudgeMaxRetry+", raise fatal error"),c.trigger(d.a.ERROR,{type:v.b.MEDIA_ERROR,details:v.a.BUFFER_STALLED_ERROR,fatal:!0})}else this.stalled=f,this.stallReported=!1}}}},e.prototype.onFragLoadEmergencyAborted=function(){this.state=E.IDLE,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tick()},e.prototype.onBufferFlushed=function(){var t=this.mediaBuffer?this.mediaBuffer:this.media;this.fragmentTracker.detectEvictedFragments(f.a.ElementaryStreamTypes.VIDEO,t.buffered),this.state=E.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)},b(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(d.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=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(1),n=r(16),o=r(0),s=r(2),l=r(7),d=r.n(l),u=r(40),f=r.n(u),c=r(8),h=Object(c.a)(),p=function(){function t(e,r){i(this,t),this.hls=e,this.id=r;var l=this.observer=new d.a,u=e.config;l.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];l.emit.apply(l,[t,t].concat(r))},l.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];l.removeListener.apply(l,[t].concat(r))};var c=function(t,r){r=r||{},r.frag=this.frag,r.id=this.id,e.trigger(t,r)}.bind(this);l.on(a.a.FRAG_DECRYPTED,c),l.on(a.a.FRAG_PARSING_INIT_SEGMENT,c),l.on(a.a.FRAG_PARSING_DATA,c),l.on(a.a.FRAG_PARSED,c),l.on(a.a.ERROR,c),l.on(a.a.FRAG_PARSING_METADATA,c),l.on(a.a.FRAG_PARSING_USERDATA,c),l.on(a.a.INIT_PTS_FOUND,c);var p={mp4:h.isTypeSupported("video/mp4"),mpeg:h.isTypeSupported("audio/mpeg"),mp3:h.isTypeSupported('audio/mp4; codecs="mp3"')},v=navigator.vendor;if(u.enableWorker&&"undefined"!=typeof Worker){o.b.log("demuxing in webworker");var g=void 0;try{g=this.w=f()(41),this.onwmsg=this.onWorkerMessage.bind(this),g.addEventListener("message",this.onwmsg),g.onerror=function(t){e.trigger(a.a.ERROR,{type:s.b.OTHER_ERROR,details:s.a.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",err:{message:t.message+" ("+t.filename+":"+t.lineno+")"}})},g.postMessage({cmd:"init",typeSupported:p,vendor:v,id:r,config:JSON.stringify(u)})}catch(t){o.b.error("error while initializing DemuxerWorker, fallback on DemuxerInline"),g&&URL.revokeObjectURL(g.objectURL),this.demuxer=new n.a(l,p,u,v),this.w=void 0}}else this.demuxer=new n.a(l,p,u,v)}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,s,l){var d=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&&o.b.log(this.id+":discontinuity detected"),p&&o.b.log(this.id+":switch detected"),this.frag=a,d)d.postMessage({cmd:"demux",data:t,decryptdata:f,initSegment:e,audioCodec:r,videoCodec:i,timeOffset:u,discontinuity:h,trackSwitch:p,contiguous:g,duration:n,accurateTimeOffset:s,defaultInitPTS:l},t instanceof ArrayBuffer?[t]:[]);else{var m=this.demuxer;m&&m.push(t,f,e,r,i,u,h,p,g,n,s,l)}},t.prototype.onWorkerMessage=function(t){var e=t.data,r=this.hls;switch(e.event){case"init":URL.revokeObjectURL(this.w.objectURL);break;case a.a.FRAG_PARSING_DATA:e.data.data1=new Uint8Array(e.data1),e.data2&&(e.data.data2=new Uint8Array(e.data2));default:e.data=e.data||{},e.data.frag=this.frag,e.data.id=this.id,r.trigger(e.event,e.data)}},t}();e.a=p},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,r){i(this,t),this.subtle=e,this.aesIV=r}return t.prototype.decrypt=function(t,e){return this.subtle.decrypt({name:"AES-CBC",iv:this.aesIV},e,t)},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=function(){function t(e,r){i(this,t),this.subtle=e,this.key=r}return t.prototype.expandKey=function(){return this.subtle.importKey("raw",this.key,{name:"AES-CBC"},!1,["encrypt","decrypt"])},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){var e=t.byteLength,r=e&&new DataView(t).getUint8(e-1);return r?t.slice(0,e-r):t}var n=function(){function t(){i(this,t),this.rcon=[0,1,2,4,8,16,32,64,128,27,54],this.subMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.invSubMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.sBox=new Uint32Array(256),this.invSBox=new Uint32Array(256),this.key=new Uint32Array(0),this.initTable()}return t.prototype.uint8ArrayToUint32Array_=function(t){for(var e=new DataView(t),r=new Uint32Array(4),i=0;i<4;i++)r[i]=e.getUint32(4*i);return r},t.prototype.initTable=function(){var t=this.sBox,e=this.invSBox,r=this.subMix,i=r[0],a=r[1],n=r[2],o=r[3],s=this.invSubMix,l=s[0],d=s[1],u=s[2],f=s[3],c=new Uint32Array(256),h=0,p=0,v=0;for(v=0;v<256;v++)c[v]=v<128?v<<1:v<<1^283;for(v=0;v<256;v++){var g=p^p<<1^p<<2^p<<3^p<<4;g=g>>>8^255&g^99,t[h]=g,e[g]=h;var m=c[h],y=c[m],b=c[y],E=257*c[g]^16843008*g;i[h]=E<<24|E>>>8,a[h]=E<<16|E>>>16,n[h]=E<<8|E>>>24,o[h]=E,E=16843009*b^65537*y^257*m^16843008*h,l[g]=E<<24|E>>>8,d[g]=E<<16|E>>>16,u[g]=E<<8|E>>>24,f[g]=E,h?(h=m^c[c[c[b^m]]],p^=c[c[p]]):h=p=1}},t.prototype.expandKey=function(t){for(var e=this.uint8ArrayToUint32Array_(t),r=!0,i=0;i<e.length&&r;)r=e[i]===this.key[i],i++;if(!r){this.key=e;var a=this.keySize=e.length;if(4!==a&&6!==a&&8!==a)throw new Error("Invalid aes key size="+a);var n=this.ksRows=4*(a+6+1),o=void 0,s=void 0,l=this.keySchedule=new Uint32Array(n),d=this.invKeySchedule=new Uint32Array(n),u=this.sBox,f=this.rcon,c=this.invSubMix,h=c[0],p=c[1],v=c[2],g=c[3],m=void 0,y=void 0;for(o=0;o<n;o++)o<a?m=l[o]=e[o]:(y=m,o%a==0?(y=y<<8|y>>>24,y=u[y>>>24]<<24|u[y>>>16&255]<<16|u[y>>>8&255]<<8|u[255&y],y^=f[o/a|0]<<24):a>6&&o%a==4&&(y=u[y>>>24]<<24|u[y>>>16&255]<<16|u[y>>>8&255]<<8|u[255&y]),l[o]=m=(l[o-a]^y)>>>0);for(s=0;s<n;s++)o=n-s,y=3&s?l[o]:l[o-4],d[s]=s<4||o<=4?y:h[u[y>>>24]]^p[u[y>>>16&255]]^v[u[y>>>8&255]]^g[u[255&y]],d[s]=d[s]>>>0}},t.prototype.networkToHostOrderSwap=function(t){return t<<24|(65280&t)<<8|(16711680&t)>>8|t>>>24},t.prototype.decrypt=function(t,e,r,i){for(var n=this.keySize+6,o=this.invKeySchedule,s=this.invSBox,l=this.invSubMix,d=l[0],u=l[1],f=l[2],c=l[3],h=this.uint8ArrayToUint32Array_(r),p=h[0],v=h[1],g=h[2],m=h[3],y=new Int32Array(t),b=new Int32Array(y.length),E=void 0,T=void 0,S=void 0,A=void 0,R=void 0,_=void 0,L=void 0,w=void 0,D=void 0,O=void 0,I=void 0,x=void 0,k=void 0,P=void 0,C=this.networkToHostOrderSwap;e<y.length;){for(D=C(y[e]),O=C(y[e+1]),I=C(y[e+2]),x=C(y[e+3]),R=D^o[0],_=x^o[1],L=I^o[2],w=O^o[3],k=4,P=1;P<n;P++)E=d[R>>>24]^u[_>>16&255]^f[L>>8&255]^c[255&w]^o[k],T=d[_>>>24]^u[L>>16&255]^f[w>>8&255]^c[255&R]^o[k+1],S=d[L>>>24]^u[w>>16&255]^f[R>>8&255]^c[255&_]^o[k+2],A=d[w>>>24]^u[R>>16&255]^f[_>>8&255]^c[255&L]^o[k+3],R=E,_=T,L=S,w=A,k+=4;E=s[R>>>24]<<24^s[_>>16&255]<<16^s[L>>8&255]<<8^s[255&w]^o[k],T=s[_>>>24]<<24^s[L>>16&255]<<16^s[w>>8&255]<<8^s[255&R]^o[k+1],S=s[L>>>24]<<24^s[w>>16&255]<<16^s[R>>8&255]<<8^s[255&_]^o[k+2],A=s[w>>>24]<<24^s[R>>16&255]<<16^s[_>>8&255]<<8^s[255&L]^o[k+3],k+=3,b[e]=C(E^p),b[e+1]=C(A^v),b[e+2]=C(S^g),b[e+3]=C(T^m),p=D,v=O,g=I,m=x,e+=4}return i?a(b.buffer):b.buffer},t.prototype.destroy=function(){this.key=void 0,this.keySize=void 0,this.ksRows=void 0,this.sBox=void 0,this.invSBox=void 0,this.subMix=void 0,this.invSubMix=void 0,this.keySchedule=void 0,this.invKeySchedule=void 0,this.rcon=void 0},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(18),n=r(0),o=r(6),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/adts",type:"audio",id:0,sequenceNumber:0,isAAC:!0,samples:[],len:0,manifestCodec:e,duration:i,inputTimeScale:9e4}},t.prototype.resetTimeStamp=function(){},t.probe=function(t){if(!t)return!1;for(var e=o.a.getID3Data(t,0)||[],r=e.length,i=t.length;r<i;r++)if(a.e(t,r))return n.b.log("ADTS sync word found !"),!0;return!1},t.prototype.append=function(t,e,r,i){for(var s=this._audioTrack,l=o.a.getID3Data(t,0)||[],d=o.a.getTimeStamp(l),u=d?90*d:9e4*e,f=0,c=u,h=t.length,p=l.length,v=[{pts:c,dts:c,data:l}];p<h-1;)if(a.d(t,p)&&p+5<h){a.c(s,this.observer,t,p,s.manifestCodec);var g=a.a(s,t,p,u,f);if(!g){n.b.log("Unable to parse AAC frame");break}p+=g.length,c=g.sample.pts,f++}else o.a.isHeader(t,p)?(l=o.a.getID3Data(t,p),v.push({pts:c,dts:c,data:l}),p+=l.length):p++;this.remuxer.remux(s,{samples:[]},{samples:v,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(18),n=r(19),o=r(1),s=r(33),l=r(34),d=r(0),u=r(2),f={video:0,audio:1,id3:2,text:3},c=function(){function t(e,r,a,n){i(this,t),this.observer=e,this.config=a,this.typeSupported=n,this.remuxer=r,this.sampleAes=null}return t.prototype.setDecryptData=function(t){null!=t&&null!=t.key&&"SAMPLE-AES"===t.method?this.sampleAes=new l.a(this.observer,this.config,t,this.discardEPB):this.sampleAes=null},t.probe=function(e){var r=t._syncOffset(e);return!(r<0)&&(r&&d.b.warn("MPEG2-TS detected but first sync word found @ offset "+r+", junk ahead ?"),!0)},t._syncOffset=function(t){for(var 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,R=m.pesData,_=y.pesData,L=this._parsePAT,w=this._parsePMT,D=this._parsePES,O=this._parseAVCPES.bind(this),I=this._parseAACPES.bind(this),x=this._parseMPEGPES.bind(this),k=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&&(R&&(h=D(R))&&void 0!==h.pts&&(m.isAAC?I(h):x(h)),R={data:[],size:0}),R&&(R.data.push(e.subarray(c,n+188)),R.size+=n+188-c);break;case T:l&&(_&&(h=D(_))&&void 0!==h.pts&&k(h),_={data:[],size:0}),_&&(_.data.push(e.subarray(c,n+188)),_.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&&(d.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:u.b.MEDIA_ERROR,details:u.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,R&&(h=D(R))&&void 0!==h.pts?(m.isAAC?I(h):x(h),m.pesData=null):(R&&R.size&&d.b.log("last AAC PES packet truncated,might overlap between fragments"),m.pesData=R),_&&(h=D(_))&&void 0!==h.pts?(k(h),y.pesData=null):y.pesData=_,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){d.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){d.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):d.b.log("MPEG audio found, not supported in this browser for now");break;case 36:d.b.warn("HEVC stream type found, not supported for now");break;default:d.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,u=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&&(d.b.warn(Math.round((s-l)/9e4)+"s delta between PTS and DTS, align them"),s=l)):l=s),n=r[8],u=n+9,t.size-=u,o=new Uint8Array(t.size);for(var h=0,p=f.length;h<p;h++){r=f[h];var v=r.byteLength;if(u){if(u>v){u-=v;continue}r=r.subarray(u),v-=u,u=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&&d.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,d=!1,u=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(d&&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(u=0;u<E;u++)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(u=0;u<v;u++)n.readUByte()}break;case 7:if(l=!0,d=!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),R="avc1.";for(u=0;u<3;u++){var _=A[u].toString(16);_.length<2&&(_="0"+_),R+=_}i.codec=R}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=[],d=void 0,u=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)d={data:t.subarray(f,e-o-1),type:c},l.push(d);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?(u=31&t[e],f=e,c=u,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&&(d={data:t.subarray(f,r),type:c,state:o},l.push(d)),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),d.b.warn("parsing error:"+g),this.observer.trigger(o.a.ERROR,{type:u.b.MEDIA_ERROR,details:u.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&&(d.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,d=void 0,u=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(d=3!==b?8:12,u=0;u<d;u++)p()&&y(u<6?16:64)}m();var E=h();if(0===E)h();else if(1===E)for(v(1),g(),g(),n=h(),u=0;u<n;u++)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(17),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(6),n=r(0),o=r(19),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,d=n.length,u=t.length,f=0,c=0,h=this._audioTrack,p=[{pts:l,dts:l,data:n}];d<u;)if(o.a.isHeader(t,d)){var v=o.a.appendFrame(h,t,d,l,f);if(!v)break;d+=v.length,c=v.sample.pts,f++}else a.a.isHeader(t,d)?(n=a.a.getID3Data(t,d),p.push({pts:c,dts:c,data:n}),d+=n.length):d++;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(37),n=r(1),o=r(0),s=r(38),l=r(2),d=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,s,l){if(this.ISGenerated||this.generateIS(t,e,a),this.ISGenerated){var d=t.samples.length,u=e.samples.length,f=a,c=a;if(d&&u){var h=(t.samples[0].dts-e.samples[0].dts)/e.inputTimeScale;f+=Math.max(0,h),c+=Math.max(0,-h)}if(d){t.timescale||(o.b.warn("regenerate InitSegment as audio detected"),this.generateIS(t,e,a));var p=this.remuxAudio(t,f,s,l);if(u){var v=void 0;p&&(v=p.endPTS-p.startPTS),e.timescale||(o.b.warn("regenerate InitSegment as video detected"),this.generateIS(t,e,a)),this.remuxVideo(e,c,s,v,l)}}else if(u){var g=this.remuxVideo(e,c,s,0,l);g&&t.codec&&this.remuxEmptyAudio(t,f,s,g)}}r.samples.length&&this.remuxID3(r,a),i.samples.length&&this.remuxText(i,a),this.observer.trigger(n.a.FRAG_PARSED)},t.prototype.generateIS=function(t,e,r){var i=this.observer,a=t.samples,d=e.samples,u=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,o.b.log("audio sampling rate : "+t.samplerate),t.isAAC||(u.mpeg?(f="audio/mpeg",t.codec=""):u.mp3&&(t.codec="mp3")),c.audio={container:f,codec:t.codec,initSegment:!t.isAAC&&u.mpeg?new Uint8Array:s.a.initSegment([t]),metadata:{channelCount:t.channelCount}},p&&(v=g=a[0].pts-t.inputTimeScale*r)),e.sps&&e.pps&&d.length){var m=e.inputTimeScale;e.timescale=m,c.video={container:"video/mp4",codec:e.codec,initSegment:s.a.initSegment([e]),metadata:{width:e.width,height:e.height}},p&&(v=Math.min(v,d[0].pts-m*r),g=Math.min(g,d[0].dts-m*r),this.observer.trigger(n.a.INIT_PTS_FOUND,{initPTS:v}))}Object.keys(c).length?(i.trigger(n.a.FRAG_PARSING_INIT_SEGMENT,h),this.ISGenerated=!0,p&&(this._initPTS=v,this._initDTS=g)):i.trigger(n.a.ERROR,{type:l.b.MEDIA_ERROR,details:l.a.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})},t.prototype.remuxVideo=function(t,e,r,i,a){var d=8,u=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,R=this.isSafari;if(0!==E){R&&(r|=y.length&&A&&(a&&Math.abs(e-A/u)<.1||Math.abs(y[0].pts-A-S)<u/5)),r||(A=e*u),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 _=y.reduce(function(t,e){return Math.max(Math.min(t,e.pts-e.dts),-18e3)},0);if(_<0){o.b.warn("PTS < DTS detected in video samples, shifting DTS by "+Math.round(_/90)+" ms to overcome this issue");for(var L=0;L<y.length;L++)y[L].dts+=_}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?o.b.log("AVC:"+D+" ms hole between fragments detected,filling it"):D<-1&&o.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,o.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),R&&(f=Math.round((m-v)/(y.length-1)));for(var O=0,I=0,x=0;x<E;x++){for(var k=y[x],P=k.units,C=P.length,F=0,M=0;M<C;M++)F+=P[M].data.length;I+=F,O+=C,k.length=F,k.dts=R?v+x*f:Math.max(k.dts,v),k.pts=Math.max(k.pts,k.dts)}var N=I+4*O+8;try{c=new Uint8Array(N)}catch(t){return void this.observer.trigger(n.a.ERROR,{type:l.b.MUX_ERROR,details:l.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(s.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(d,X),d+=4,c.set(z,d),d+=X,K+=4+X}if(R)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*u),$=(i?p+i*u:this.nextAudioPts)-G.pts;$>J?(f=$-Q,f<0&&(f=Q),o.b.log("It is approximately "+$/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=s.a.moof(t.sequenceNumber++,v,t),t.samples=[];var rt={data1:h,data2:c,startPTS:p/u,endPTS:(g+f)/u,startDTS:v/u,endDTS:this.nextAvcDts/u,type:"video",hasAudio:!1,hasVideo:!0,nb:b.length,dropped:tt};return this.observer.trigger(n.a.FRAG_PARSING_DATA,rt),rt}},t.prototype.remuxAudio=function(t,e,r,i){var d=t.inputTimeScale,u=t.timescale,f=d/u,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,R=t.samples,_=[],L=this.nextAudioPts;if(r|=R.length&&L&&(i&&Math.abs(e-L/d)<.1||Math.abs(R[0].pts-L-v)<20*h),R.forEach(function(t){t.pts=t.dts=p(t.pts-v,e*d)}),R=R.filter(function(t){return t.pts>=0}),0!==R.length){if(r||(L=i?e*d:R[0].pts),t.isAAC)for(var w=this.config.maxAudioFramesDrift,D=0,O=L;D<R.length;){var I,x=R[D],k=x.pts;I=k-O;var P=Math.abs(1e3*I/d);if(I<=-w*h)o.b.warn("Dropping 1 audio frame @ "+(O/d).toFixed(3)+"s due to "+Math.round(P)+" ms overlap."),R.splice(D,1),t.len-=x.unit.length;else if(I>=w*h&&P<1e4&&O){var C=Math.round(I/h);o.b.warn("Injecting "+C+" audio frame @ "+(O/d).toFixed(3)+"s due to "+Math.round(1e3*I/d)+" 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||(o.b.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),b=x.unit.subarray()),R.splice(D,0,{unit:b,pts:M,dts:M}),t.len+=b.length,O+=h,D++}x.pts=x.dts=O,O+=h,D++}else Math.abs(I),x.pts=x.dts=O,O+=h,D++}for(var N=0,U=R.length;N<U;N++){var B=R[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)/d),H=0;if(r&&t.isAAC&&K){if(K>0&&K<1e4)H=Math.round((j-L)/h),o.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){o.b.log("drop overlapping AAC sample, expected/parsed/delta:"+(L/d).toFixed(3)+"s/"+(j/d).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(n.a.ERROR,{type:l.b.MUX_ERROR,details:l.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(s.a.types.mdat,4)}for(var W=0;W<H;W++)b=a.a.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),b||(o.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}},_.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}},_.push(y),A=j}var z=0,X=_.length;if(X>=2&&(z=_[X-2].duration,y.duration=z),X){this.nextAudioPts=L=A+f*z,t.len=0,t.samples=_,T=g?new Uint8Array:s.a.moof(t.sequenceNumber++,S/f,t),t.samples=[];var q=S/d,Q=L/d,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(n.a.FRAG_PARSING_DATA,Z),Z}return null}},t.prototype.remuxEmptyAudio=function(t,e,r,i){var n=t.inputTimeScale,s=t.samplerate?t.samplerate:n,l=n/s,d=this.nextAudioPts,u=(void 0!==d?d:i.startDTS*n)+this._initDTS,f=i.endDTS*n+this._initDTS,c=1024*l,h=Math.ceil((f-u)/c),p=a.a.getSilentFrame(t.manifestCodec||t.codec,t.channelCount);if(o.b.warn("remux empty Audio"),!p)return void o.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=u+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,o=this._initPTS,s=this._initDTS;if(r){for(var l=0;l<r;l++)i=t.samples[l],i.pts=(i.pts-o)/a,i.dts=(i.dts-s)/a;this.observer.trigger(n.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,o=this._initPTS;if(r){for(var s=0;s<r;s++)i=t.samples[s],i.pts=(i.pts-o)/a;this.observer.trigger(n.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=d},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 0;i--;)r+=e[i].byteLength;for(n=new Uint8Array(r),n[0]=r>>24&255,n[1]=r>>16&255,n[2]=r>>8&255,n[3]=255&r,n.set(t,4),i=0,r=8;i<a;i++)n.set(e[i],r),r+=e[i].byteLength;return n},t.hdlr=function(e){return t.box(t.types.hdlr,t.HDLR_TYPES[e])},t.mdat=function(e){return t.box(t.types.mdat,e)},t.mdhd=function(e,r){r*=e;var i=Math.floor(r/(a+1)),n=Math.floor(r%(a+1));return t.box(t.types.mdhd,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,85,196,0,0]))},t.mdia=function(e){return t.box(t.types.mdia,t.mdhd(e.timescale,e.duration),t.hdlr(e.type),t.minf(e))},t.mfhd=function(e){return t.box(t.types.mfhd,new Uint8Array([0,0,0,0,e>>24,e>>16&255,e>>8&255,255&e]))},t.minf=function(e){return"audio"===e.type?t.box(t.types.minf,t.box(t.types.smhd,t.SMHD),t.DINF,t.stbl(e)):t.box(t.types.minf,t.box(t.types.vmhd,t.VMHD),t.DINF,t.stbl(e))},t.moof=function(e,r,i){return 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 t.box(t.types.stbl,t.stsd(e),t.box(t.types.stts,t.STTS),t.box(t.types.stsc,t.STSC),t.box(t.types.stsz,t.STSZ),t.box(t.types.stco,t.STCO))},t.avc1=function(e){var r=[],i=[],a=void 0,n=void 0,o=void 0;for(a=0;a<e.sps.length;a++)n=e.sps[a],o=n.byteLength,r.push(o>>>8&255),r.push(255&o),r=r.concat(Array.prototype.slice.call(n));for(a=0;a<e.pps.length;a++)n=e.pps[a],o=n.byteLength,i.push(o>>>8&255),i.push(255&o),i=i.concat(Array.prototype.slice.call(n));var s=t.box(t.types.avcC,new Uint8Array([1,r[3],r[4],r[5],255,224|e.sps.length].concat(r).concat([e.pps.length]).concat(i))),l=e.width,d=e.height,u=e.pixelRatio[0],f=e.pixelRatio[1];return t.box(t.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,d>>8&255,255&d,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),s,t.box(t.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),t.box(t.types.pasp,new Uint8Array([u>>24,u>>16&255,u>>8&255,255&u,f>>24,f>>16&255,f>>8&255,255&f])))},t.esds=function(t){var e=t.config.length;return new Uint8Array([0,0,0,0,3,23+e,0,1,0,4,15+e,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([e]).concat(t.config).concat([6,1,2]))},t.mp4a=function(e){var r=e.samplerate;return t.box(t.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),t.box(t.types.esds,t.esds(e)))},t.mp3=function(e){var r=e.samplerate;return t.box(t.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]))},t.stsd=function(e){return"audio"===e.type?e.isAAC||"mp3"!==e.codec?t.box(t.types.stsd,t.STSD,t.mp4a(e)):t.box(t.types.stsd,t.STSD,t.mp3(e)):t.box(t.types.stsd,t.STSD,t.avc1(e))},t.tkhd=function(e){var r=e.id,i=e.duration*e.timescale,n=e.width,o=e.height,s=Math.floor(i/(a+1)),l=Math.floor(i%(a+1));return t.box(t.types.tkhd,new 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e=t.audioCodec,r=t.videoCodec;return(!e||Object(u.a)(e))&&(!r||Object(u.a)(r))}),t.audioTracks&&(c=t.audioTracks.filter(function(t){return!t.audioCodec||Object(u.a)(t.audioCodec,"audio")})),e.length>0){r=e[0].bitrate,e.sort(function(t,e){return t.bitrate-e.bitrate}),this._levels=e;for(var h=0;h<e.length;h++)if(e[h].bitrate===r){this._firstLevel=h,l.b.log("manifest loaded,"+e.length+" level(s) found, first bitrate:"+r);break}this.hls.trigger(o.a.MANIFEST_PARSED,{levels:e,audioTracks:c,firstLevel:this._firstLevel,stats:t.stats,audio:s,video:n,altAudio:c.length>0})}else this.hls.trigger(o.a.ERROR,{type:d.b.MEDIA_ERROR,details:d.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.cleanTimer(),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||!0===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:d.b.OTHER_ERROR,details:d.a.LEVEL_SWITCH_ERROR,level:t,fatal:!1,reason:"invalid level idx"})},e.prototype.onError=function(t){if(!0===t.fatal)return void(t.type===d.b.NETWORK_ERROR&&this.cleanTimer());var e=!1,r=!1,i=void 0;switch(t.details){case d.a.FRAG_LOAD_ERROR:case d.a.FRAG_LOAD_TIMEOUT:case d.a.KEY_LOAD_ERROR:case d.a.KEY_LOAD_TIMEOUT:i=t.frag.level,r=!0;break;case d.a.LEVEL_LOAD_ERROR:case d.a.LEVEL_LOAD_TIMEOUT:i=t.context.level,e=!0;break;case d.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],d=void 0,u=void 0,f=void 0;if(s.loadError++,s.fragmentError=i,!0===r){if(!(this.levelRetryCount+1<=n.levelLoadingMaxRetry))return l.b.error("level controller, cannot recover from "+o+" error"),this.currentLevelIndex=null,this.cleanTimer(),void(t.fatal=!0);u=Math.min(Math.pow(2,this.levelRetryCount)*n.levelLoadingRetryDelay,n.levelLoadingMaxRetryTimeout),this.timer=setTimeout(function(){return a.loadLevel()},u),t.levelRetry=!0,this.levelRetryCount++,l.b.warn("level controller, "+o+", retry in "+u+" ms, current retry count is "+this.levelRetryCount)}!0!==r&&!0!==i||(d=s.url.length,d>1&&s.loadError<d?(l.b.warn("level controller, "+o+" for level "+e+": switching to redundant stream id "+s.urlId),s.urlId=(s.urlId+1)%d,s.details=void 0):-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):!0===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];!1===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-=performance.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.cleanTimer()}},e.prototype.loadLevel=function(){var t=void 0,e=void 0;null!==this.currentLevelIndex&&!0===this.canload&&void 0!==(t=this._levels[this.currentLevelIndex])&&t.url.length>0&&(e=t.urlId,this.hls.trigger(o.a.LEVEL_LOADING,{url:t.url[e],level:this.currentLevelIndex,id:e}))},f(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&&void 0!==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=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")}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(6),d=r(48),u=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(d.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(d.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 d=0;d<n.length;d++){var u=n[d];if(!l.a.isTimeStampFrame(u)){var f=new i(o,s,"");f.value=u,this.id3Track.addCue(f)}}}}},e}(s.a);e.a=u},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(8)},function(t,e,r){"use strict";r.d(e,"a",function(){return g});var i=r(51),a=r(54),n=r(55),o=r(56),s=r(57),l=r(4),d=(r.n(l),r(4)),u=(r.n(d),r(4)),f=(r.n(u),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(58)),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(15),d=r(2),u=r(0),f=r(52),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=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){if(this.timer||(this.timer=setInterval(this.onCheck,100)),!this._bwEstimator){var r=this.hls,i=t.frag.level,a=r.levels[i].details.live,n=r.config,o=void 0,s=void 0;a?(o=n.abrEwmaFastLive,s=n.abrEwmaSlowLive):(o=n.abrEwmaFastVoD,s=n.abrEwmaSlowVoD),this._bwEstimator=new f.a(r,s,o,n.abrEwmaDefaultEstimate)}this.fragCurrent=e}},e.prototype._abandonRulesCheck=function(){var t=this.hls,e=t.media,r=this.fragCurrent,i=r.loader,a=t.minAutoLevel;if(!i||i.stats&&i.stats.aborted)return u.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=performance.now()-n.trequest,d=Math.abs(e.playbackRate);if(s>500*r.duration/d){var f=t.levels,c=Math.max(1,n.bw?n.bw/8:1e3*n.loaded/s),h=f[r.level],p=h.realBitrate?Math.max(h.realBitrate,h.bitrate):h.bitrate,v=n.total?n.total:Math.max(n.loaded,Math.round(r.duration*p/8)),g=e.currentTime,m=(v-n.loaded)/c,y=(l.a.bufferInfo(e,g,t.config.maxBufferHole).end-g)/d;if(y<2*r.duration/d&&m>y){var b=void 0,E=void 0;for(E=r.level-1;E>a;E--){var T=f[E].realBitrate?Math.max(f[E].realBitrate,f[E].bitrate):f[E].bitrate;if((b=r.duration*T/(6.4*c))<y)break}b<m&&(u.b.warn("loading too slow, abort fragment loading and switch to level "+E+":fragLoadedDelay["+E+"]<fragLoadedDelay["+(r.level-1)+"];bufferStarvationDelay:"+b.toFixed(1)+"<"+m.toFixed(1)+":"+y.toFixed(1)),t.nextLoadLevel=E,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;u.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 d.a.FRAG_LOAD_ERROR:case d.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 d=a;d>=i;d--){var f=l[d],c=f.details,h=c?c.totalduration/c.fragments.length:e,p=!!c&&c.live,v=void 0;v=d<=t?o*r:s*r;var g=l[d].realBitrate?Math.max(l[d].realBitrate,l[d].bitrate):l[d].bitrate,m=g*h/v;if(u.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+d+"/"+Math.round(v)+"/"+g+"/"+h+"/"+n+"/"+m),v>g&&(!m||p&&!this.bitrateTestDelay||m<n))return d}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,d=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,d,i.maxBufferHole).end-d)/f,p=this._findBestLevel(o,s,c,a,e,h,i.abrBandWidthFactor,i.abrBandWidthUpFactor,r);if(p>=0)return p;u.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,u.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=h},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(53),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 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(0),d=r(2),u=r(8),f=Object(u.a)(),c=function(t){function e(r){i(this,e);var n=a(this,t.call(this,r,o.a.MEDIA_ATTACHING,o.a.MEDIA_DETACHING,o.a.MANIFEST_PARSED,o.a.BUFFER_RESET,o.a.BUFFER_APPENDING,o.a.BUFFER_CODECS,o.a.BUFFER_EOS,o.a.BUFFER_FLUSHING,o.a.LEVEL_PTS_UPDATED,o.a.LEVEL_UPDATED));return n._msDuration=null,n._levelDuration=null,n._live=null,n._objectUrl=null,n.onsbue=n.onSBUpdateEnd.bind(n),n.onsbe=n.onSBUpdateError.bind(n),n.pendingTracks={},n.tracks={},n}return n(e,t),e.prototype.destroy=function(){s.a.prototype.destroy.call(this)},e.prototype.onLevelPtsUpdated=function(t){var e=t.type,r=this.tracks.audio;if("audio"===e&&r&&"audio/mpeg"===r.container){var i=this.sourceBuffer.audio;if(Math.abs(i.timestampOffset-t.start)>.1){var a=i.updating;try{i.abort()}catch(t){a=!0,l.b.warn("can not abort audio buffer: "+t)}a?this.audioTimestampOffset=t.start:(l.b.warn("change mpeg audio timestamp offset from "+i.timestampOffset+" to "+t.start),i.timestampOffset=t.start)}}},e.prototype.onManifestParsed=function(t){var e=t.audio,r=t.video||t.levels.length&&t.audio,i=0;t.altAudio&&(e||r)&&(i=(e?1:0)+(r?1:0),l.b.log(i+" sourceBuffer(s) expected")),this.sourceBufferNb=i},e.prototype.onMediaAttaching=function(t){var e=this.media=t.media;if(e){var r=this.mediaSource=new 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=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&&(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:d.b.MEDIA_ERROR,details:d.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 u=e[i]=r.addSourceBuffer(s);u.addEventListener("updateend",this.onsbue),u.addEventListener("error",this.onsbe),this.tracks[i]={codec:n,container:a.container},a.buffer=u}catch(t){l.b.error("error while trying to add sourceBuffer:"+t.message),this.hls.trigger(o.a.ERROR,{type:d.b.MEDIA_ERROR,details:d.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:d.b.MEDIA_ERROR,details:d.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 fragment");try{e.endOfStream()}catch(t){l.b.warn("exception while calling mediaSource.endOfStream()")}this._needsEos=!1},e.prototype.onBufferFlushing=function(t){this.flushRange.push({start:t.startOffset,end:t.endOffset,type:t.type}),this.flushBufferCounter=0,this.doFlush()},e.prototype.onLevelUpdated=function(t){var e=t.details;e.fragments.length>0&&(this._levelDuration=e.totalduration+e.fragments[0].start,this._live=e.live,this.updateMediaElementDuration())},e.prototype.updateMediaElementDuration=function(){var t=this.hls.config,e=void 0;if(null!==this._levelDuration&&this.media&&this.mediaSource&&this.sourceBuffer&&0!==this.media.readyState&&"open"===this.mediaSource.readyState){for(var r in this.sourceBuffer)if(!0===this.sourceBuffer[r].updating)return;e=this.media.duration,null===this._msDuration&&(this._msDuration=this.mediaSource.duration),!0===this._live&&!0===t.liveDurationInfinity?(l.b.log("Media Source duration is set to Infinity"),this._msDuration=this.mediaSource.duration=1/0):(this._levelDuration>this._msDuration&&this._levelDuration>e||e===1/0||isNaN(e))&&(l.b.log("Updating Media Source duration to "+this._levelDuration.toFixed(3)),this._msDuration=this.mediaSource.duration=this._levelDuration)}},e.prototype.doFlush=function(){for(;this.flushRange.length;){var t=this.flushRange[0];if(!this.flushBuffer(t.start,t.end,t.type))return void(this._needsFlush=!0);this.flushRange.shift(),this.flushBufferCounter=0}if(0===this.flushRange.length){this._needsFlush=!1;var e=0,r=this.sourceBuffer;try{for(var i in r)e+=r[i].buffered.length}catch(t){l.b.error("error while accessing sourceBuffer.buffered")}this.appended=e,this.hls.trigger(o.a.BUFFER_FLUSHED)}},e.prototype.doAppending=function(){var t=this.hls,e=this.sourceBuffer,r=this.segments;if(Object.keys(e).length){if(this.media.error)return this.segments=[],void l.b.error("trying to append although a media error occured, flush segment and 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:d.b.MEDIA_ERROR,parent:i.parent};22!==e.code?(this.appendError?this.appendError++:this.appendError=1,s.details=d.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=d.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,d=void 0,u=this.sourceBuffer;if(Object.keys(u).length){if(l.b.log("flushBuffer,pos/start/end: "+this.media.currentTime.toFixed(3)+"/"+t+"/"+e),this.flushBufferCounter<this.appended){for(var f in u)if(!r||f===r){if(i=u[f],i.ended=!1,i.updating)return l.b.warn("cannot flush, sb updating in progress"),!1;try{for(a=0;a<i.buffered.length;a++)if(n=i.buffered.start(a),o=i.buffered.end(a),-1!==navigator.userAgent.toLowerCase().indexOf("firefox")&&e===Number.POSITIVE_INFINITY?(s=t,d=e):(s=Math.max(n,t),d=Math.min(o,e)),Math.min(d,o)-s>.5)return this.flushBufferCounter++,l.b.log("flush "+f+" ["+s+","+d+"], of ["+n+","+o+"], pos:"+this.media.currentTime),i.remove(s,d),!1}catch(t){l.b.warn("exception while accessing sourcebuffer, it 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