web-backset.cn/apps/web-main/public/player/libs/hls.min.0.13.2m.js

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i(d,r).decrypt(e,a).catch((function(i){l.onWebCryptoError(i,e,t,r,s)})).then((function(e){s(e)}))})).catch((function(i){l.onWebCryptoError(i,e,t,r,s)}))}},t.onWebCryptoError=function(e,t,r,i,a){this.config.enableSoftwareAES?(o.b.log("WebCrypto Error, disable WebCrypto API"),this.disableWebCrypto=!0,this.logEnabled=!0,this.decrypt(t,r,i,a)):(o.b.error("decrypting error : "+e.message),this.observer.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.FRAG_DECRYPT_ERROR,fatal:!0,reason:e.message}))},t.destroy=function(){var e=this.decryptor;e&&(e.destroy(),this.decryptor=void 0)},e}();t.a=c},function(e,t,r){"use strict";var i=Object.prototype.hasOwnProperty,a="~";function n(){}function s(e,t,r){this.fn=e,this.context=t,this.once=r||!1}function o(e,t,r,i,n){if("function"!=typeof r)throw new TypeError("The listener must be a function");var o=new s(r,i||e,n),l=a?a+t:t;return 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s=this._events[n];if(s.fn)s.fn!==t||i&&!s.once||r&&s.context!==r||l(this,n);else{for(var o=0,u=[],d=s.length;o<d;o++)(s[o].fn!==t||i&&!s[o].once||r&&s[o].context!==r)&&u.push(s[o]);u.length?this._events[n]=1===u.length?u[0]:u:l(this,n)}return this},u.prototype.removeAllListeners=function(e){var t;return e?(t=a?a+e:e,this._events[t]&&l(this,t)):(this._events=new n,this._eventsCount=0),this},u.prototype.off=u.prototype.removeListener,u.prototype.addListener=u.prototype.on,u.prefixed=a,u.EventEmitter=u,e.exports=u},function(e,t,r){"use strict";var i=r(1),a=r(2),n=r(7),s=r(3),o=r(0),l=r(5);function u(e,t){return 255===e[t]&&240==(246&e[t+1])}function d(e,t){return 1&e[t+1]?7:9}function c(e,t){return(3&e[t+3])<<11|e[t+4]<<3|(224&e[t+5])>>>5}function h(e,t){return!!(t+1<e.length&&u(e,t))}function f(e,t){if(h(e,t)){var r=d(e,t);t+5<e.length&&(r=c(e,t));var i=t+r;if(i===e.length||i+1<e.length&&u(e,i))return!0}return!1}function g(e,t,r,n,s){if(!e.samplerate){var l=function(e,t,r,n){var s,l,u,d,c,h=navigator.userAgent.toLowerCase(),f=n,g=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];if(s=1+((192&t[r+2])>>>6),!((l=(60&t[r+2])>>>2)>g.length-1))return d=(1&t[r+2])<<2,d|=(192&t[r+3])>>>6,o.b.log("manifest codec:"+n+",ADTS data:type:"+s+",sampleingIndex:"+l+"["+g[l]+"Hz],channelConfig:"+d),/firefox/i.test(h)?l>=6?(s=5,c=new Array(4),u=l-3):(s=2,c=new Array(2),u=l):-1!==h.indexOf("android")?(s=2,c=new Array(2),u=l):(s=5,c=new Array(4),n&&(-1!==n.indexOf("mp4a.40.29")||-1!==n.indexOf("mp4a.40.5"))||!n&&l>=6?u=l-3:((n&&-1!==n.indexOf("mp4a.40.2")&&(l>=6&&1===d||/vivaldi/i.test(h))||!n&&1===d)&&(s=2,c=new Array(2)),u=l)),c[0]=s<<3,c[0]|=(14&l)>>1,c[1]|=(1&l)<<7,c[1]|=d<<3,5===s&&(c[1]|=(14&u)>>1,c[2]=(1&u)<<7,c[2]|=8,c[3]=0),{config:c,samplerate:g[l],channelCount:d,codec:"mp4a.40."+s,manifestCodec:f};e.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!0,reason:"invalid ADTS sampling index:"+l})}(t,r,n,s);e.config=l.config,e.samplerate=l.samplerate,e.channelCount=l.channelCount,e.codec=l.codec,e.manifestCodec=l.manifestCodec,o.b.log("parsed codec:"+e.codec+",rate:"+l.samplerate+",nb channel:"+l.channelCount)}}function p(e){return 9216e4/e}function v(e,t,r,i,a){var n=function(e,t,r,i,a){var n,s,o=e.length;if(n=d(e,t),s=c(e,t),(s-=n)>0&&t+n+s<=o)return{headerLength:n,frameLength:s,stamp:r+i*a}}(t,r,i,a,p(e.samplerate));if(n){var s=n.stamp,o=n.headerLength,l=n.frameLength,u={unit:t.subarray(r+o,r+o+l),pts:s,dts:s};return e.samples.push(u),{sample:u,length:l+o}}}var m=r(4),y=function(){function e(e,t,r){this.observer=e,this.config=r,this.remuxer=t}var t=e.prototype;return t.resetInitSegment=function(e,t,r,i){this._audioTrack={container:"audio/adts",type:"audio",id:0,sequenceNumber:0,isAAC:!0,samples:[],len:0,manifestCodec:t,duration:i,inputTimeScale:9e4}},t.resetTimeStamp=function(){},e.probe=function(e){if(!e)return!1;for(var t=(m.a.getID3Data(e,0)||[]).length,r=e.length;t<r;t++)if(f(e,t))return o.b.log("ADTS sync word found !"),!0;return!1},t.append=function(e,t,r,i){for(var a=this._audioTrack,n=m.a.getID3Data(e,0)||[],l=m.a.getTimeStamp(n),u=Object(s.a)(l)?90*l:9e4*t,d=0,c=u,f=e.length,p=n.length,y=[{pts:c,dts:c,data:n}];p<f-1;)if(h(e,p)&&p+5<f){g(a,this.observer,e,p,a.manifestCodec);var b=v(a,e,p,u,d);if(!b){o.b.log("Unable to parse AAC frame");break}p+=b.length,c=b.sample.pts,d++}else m.a.isHeader(e,p)?(n=m.a.getID3Data(e,p),y.push({pts:c,dts:c,data:n}),p+=n.length):p++;this.remuxer.remux(a,{samples:[]},{samples:y,inputTimeScale:9e4},{samples:[]},t,r,i)},t.destroy=function(){},e}(),b=r(10),T={BitratesMap:[32,64,96,128,160,192,224,256,288,320,352,384,416,448,32,48,56,64,80,96,112,128,160,192,224,256,320,384,32,40,48,56,64,80,96,112,128,160,192,224,256,320,32,48,56,64,80,96,112,128,144,160,176,192,224,256,8,16,24,32,40,48,56,64,80,96,112,128,144,160],SamplingRateMap:[44100,48e3,32e3,22050,24e3,16e3,11025,12e3,8e3],SamplesCoefficients:[[0,72,144,12],[0,0,0,0],[0,72,144,12],[0,144,144,12]],BytesInSlot:[0,1,1,4],appendFrame:function(e,t,r,i,a){if(!(r+24>t.length)){var n=this.parseHeader(t,r);if(n&&r+n.frameLength<=t.length){var s=i+a*(9e4*n.samplesPerFrame/n.sampleRate),o={unit:t.subarray(r,r+n.frameLength),pts:s,dts:s};return e.config=[],e.channelCount=n.channelCount,e.samplerate=n.sampleRate,e.samples.push(o),{sample:o,length:n.frameLength}}}},parseHeader:function(e,t){var r=e[t+1]>>3&3,i=e[t+1]>>1&3,a=e[t+2]>>4&15,n=e[t+2]>>2&3,s=e[t+2]>>1&1;if(1!==r&&0!==a&&15!==a&&3!==n){var o=3===r?3-i:3===i?3:4,l=1e3*T.BitratesMap[14*o+a-1],u=3===r?0:2===r?1:2,d=T.SamplingRateMap[3*u+n],c=e[t+3]>>6==3?1:2,h=T.SamplesCoefficients[r][i],f=T.BytesInSlot[i],g=8*h*f;return{sampleRate:d,channelCount:c,frameLength:parseInt(h*l/d+s,10)*f,samplesPerFrame:g}}},isHeaderPattern:function(e,t){return 255===e[t]&&224==(224&e[t+1])&&0!=(6&e[t+1])},isHeader:function(e,t){return!!(t+1<e.length&&this.isHeaderPattern(e,t))},probe:function(e,t){if(t+1<e.length&&this.isHeaderPattern(e,t)){var r=this.parseHeader(e,t),i=4;r&&r.frameLength&&(i=r.frameLength);var a=t+i;if(a===e.length||a+1<e.length&&this.isHeaderPattern(e,a))return!0}return!1}},E=T,S=function(){function e(e){this.data=e,this.bytesAvailable=e.byteLength,this.word=0,this.bitsAvailable=0}var t=e.prototype;return t.loadWord=function(){var e=this.data,t=this.bytesAvailable,r=e.byteLength-t,i=new Uint8Array(4),a=Math.min(4,t);if(0===a)throw new Error("no bytes available");i.set(e.subarray(r,r+a)),this.word=new DataView(i.buffer).getUint32(0),this.bitsAvailable=8*a,this.bytesAvailable-=a},t.skipBits=function(e){var t;this.bitsAvailable>e?(this.word<<=e,this.bitsAvailable-=e):(e-=this.bitsAvailable,e-=(t=e>>3)>>3,this.bytesAvailable-=t,this.loadWord(),this.word<<=e,this.bitsAvailable-=e)},t.readBits=function(e){var t=Math.min(this.bitsAvailable,e),r=this.word>>>32-t;return e>32&&o.b.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=t,this.bitsAvailable>0?this.word<<=t:this.bytesAvailable>0&&this.loadWord(),(t=e-t)>0&&this.bitsAvailable?r<<t|this.readBits(t):r},t.skipLZ=function(){var e;for(e=0;e<this.bitsAvailable;++e)if(0!=(this.word&2147483648>>>e))return this.word<<=e,this.bitsAvailable-=e,e;return this.loadWord(),e+this.skipLZ()},t.skipUEG=function(){this.skipBits(1+this.skipLZ())},t.skipEG=function(){this.skipBits(1+this.skipLZ())},t.readUEG=function(){var e=this.skipLZ();return this.readBits(e+1)-1},t.readEG=function(){var e=this.readUEG();return 1&e?1+e>>>1:-1*(e>>>1)},t.readBoolean=function(){return 1===this.readBits(1)},t.readUByte=function(){return this.readBits(8)},t.readUShort=function(){return this.readBits(16)},t.readUInt=function(){return this.readBits(32)},t.skipScalingList=function(e){var t,r=8,i=8;for(t=0;t<e;t++)0!==i&&(i=(r+this.readEG()+256)%256),r=0===i?r:i},t.readSPS=function(){var e,t,r,i,a,n,s,o=0,l=0,u=0,d=0,c=this.readUByte.bind(this),h=this.readBits.bind(this),f=this.readUEG.bind(this),g=this.readBoolean.bind(this),p=this.skipBits.bind(this),v=this.skipEG.bind(this),m=this.skipUEG.bind(this),y=this.skipScalingList.bind(this);if(c(),e=c(),h(5),p(3),c(),m(),100===e||110===e||122===e||244===e||44===e||83===e||86===e||118===e||128===e){var b=f();if(3===b&&p(1),m(),m(),p(1),g())for(n=3!==b?8:12,s=0;s<n;s++)g()&&y(s<6?16:64)}m();var T=f();if(0===T)f();else if(1===T)for(p(1),v(),v(),t=f(),s=0;s<t;s++)v();m(),p(1),r=f(),i=f(),0===(a=h(1))&&p(1),p(1),g()&&(o=f(),l=f(),u=f(),d=f());var E=[1,1];if(g()&&g())switch(c()){case 1:E=[1,1];break;case 2:E=[12,11];break;case 3:E=[10,11];break;case 4:E=[16,11];break;case 5:E=[40,33];break;case 6:E=[24,11];break;case 7:E=[20,11];break;case 8:E=[32,11];break;case 9:E=[80,33];break;case 10:E=[18,11];break;case 11:E=[15,11];break;case 12:E=[64,33];break;case 13:E=[160,99];break;case 14:E=[4,3];break;case 15:E=[3,2];break;case 16:E=[2,1];break;case 255:E=[c()<<8|c(),c()<<8|c()]}return{width:Math.ceil(16*(r+1)-2*o-2*l),height:(2-a)*(i+1)*16-(a?2:4)*(u+d),pixelRatio:E}},t.readSliceType=function(){return this.readUByte(),this.readUEG(),this.readUEG()},e}(),_=function(){function e(e,t,r,i){this.decryptdata=r,this.discardEPB=i,this.decrypter=new n.a(e,t,{removePKCS7Padding:!1})}var t=e.prototype;return t.decryptBuffer=function(e,t){this.decrypter.decrypt(e,this.decryptdata.key.buffer,this.decryptdata.iv.buffer,t)},t.decryptAacSample=function(e,t,r,i){var a=e[t].unit,n=a.subarray(16,a.length-a.length%16),s=n.buffer.slice(n.byteOffset,n.byteOffset+n.length),o=this;this.decryptBuffer(s,(function(n){n=new Uint8Array(n),a.set(n,16),i||o.decryptAacSamples(e,t+1,r)}))},t.decryptAacSamples=function(e,t,r){for(;;t++){if(t>=e.length)return void r();if(!(e[t].unit.length<32)){var i=this.decrypter.isSync();if(this.decryptAacSample(e,t,r,i),!i)return}}},t.getAvcEncryptedData=function(e){for(var t=16*Math.floor((e.length-48)/160)+16,r=new Int8Array(t),i=0,a=32;a<=e.length-16;a+=160,i+=16)r.set(e.subarray(a,a+16),i);return r},t.getAvcDecryptedUnit=function(e,t){t=new Uint8Array(t);for(var r=0,i=32;i<=e.length-16;i+=160,r+=16)e.set(t.subarray(r,r+16),i);return e},t.decryptAvcSample=function(e,t,r,i,a,n){var s=this.discardEPB(a.data),o=this.getAvcEncryptedData(s),l=this;this.decryptBuffer(o.buffer,(function(o){a.data=l.getAvcDecryptedUnit(s,o),n||l.decryptAvcSamples(e,t,r+1,i)}))},t.decryptAvcSamples=function(e,t,r,i){for(;;t++,r=0){if(t>=e.length)return void i();for(var a=e[t].units;!(r>=a.length);r++){var n=a[r];if(!(n.length<=48||1!==n.type&&5!==n.type)){var s=this.decrypter.isSync();if(this.decryptAvcSample(e,t,r,i,n,s),!s)return}}}},e}(),A={video:1,audio:2,id3:3,text:4},R=function(){function e(e,t,r,i){this.observer=e,this.config=r,this.typeSupported=i,this.remuxer=t,this.sampleAes=null}var t=e.prototype;return t.setDecryptData=function(e){null!=e&&null!=e.key&&"SAMPLE-AES"===e.method?this.sampleAes=new _(this.observer,this.config,e,this.discardEPB):this.sampleAes=null},e.probe=function(t){var r=e._syncOffset(t);return!(r<0)&&(r&&o.b.warn("MPEG2-TS detected but first sync word found @ offset "+r+", junk ahead ?"),!0)},e._syncOffset=function(e){for(var t=Math.min(1e3,e.length-564),r=0;r<t;){if(71===e[r]&&71===e[r+188]&&71===e[r+376])return r;r++}return-1},e.createTrack=function(e,t){return{container:"video"===e||"audio"===e?"video/mp2t":void 0,type:e,id:A[e],pid:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],dropped:"video"===e?0:void 0,isAAC:"audio"===e||void 0,duration:"audio"===e?t:void 0}},t.resetInitSegment=function(t,r,i,a){this.pmtParsed=!1,this._pmtId=-1,this._avcTrack=e.createTrack("video",a),this._audioTrack=e.createTrack("audio",a),this._id3Track=e.createTrack("id3",a),this._txtTrack=e.createTrack("text",a),this.aacOverFlow=null,this.aacLastPTS=null,this.avcSample=null,this.audioCodec=r,this.videoCodec=i,this._duration=a},t.resetTimeStamp=function(){},t.append=function(t,r,n,s){var l,u,d,c,h,f=t.length,g=!1;this.contiguous=n;var p=this.pmtParsed,v=this._avcTrack,m=this._audioTrack,y=this._id3Track,b=v.pid,T=m.pid,E=y.pid,S=this._pmtId,_=v.pesData,A=m.pesData,R=y.pesData,w=this._parsePAT,k=this._parsePMT,L=this._parsePES,D=this._parseAVCPES.bind(this),C=this._parseAACPES.bind(this),I=this._parseMPEGPES.bind(this),O=this._parseID3PES.bind(this),x=e._syncOffset(t);for(f-=(f+x)%188,l=x;l<f;l+=188)if(71===t[l]){if(u=!!(64&t[l+1]),d=((31&t[l+1])<<8)+t[l+2],(48&t[l+3])>>4>1){if((c=l+5+t[l+4])===l+188)continue}else c=l+4;switch(d){case b:u&&(_&&(h=L(_))&&D(h,!1),_={data:[],size:0}),_&&(_.data.push(t.subarray(c,l+188)),_.size+=l+188-c);break;case T:u&&(A&&(h=L(A))&&(m.isAAC?C(h):I(h)),A={data:[],size:0}),A&&(A.data.push(t.subarray(c,l+188)),A.size+=l+188-c);break;case E:u&&(R&&(h=L(R))&&O(h),R={data:[],size:0}),R&&(R.data.push(t.subarray(c,l+188)),R.size+=l+188-c);break;case 0:u&&(c+=t[c]+1),S=this._pmtId=w(t,c);break;case S:u&&(c+=t[c]+1);var P=k(t,c,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,null!=this.sampleAes);(b=P.avc)>0&&(v.pid=b),(T=P.audio)>0&&(m.pid=T,m.isAAC=P.isAAC),(E=P.id3)>0&&(y.pid=E),g&&!p&&(o.b.log("reparse from beginning"),g=!1,l=x-188),p=this.pmtParsed=!0;break;case 17:case 8191:break;default:g=!0}}else this.observer.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});_&&(h=L(_))?(D(h,!0),v.pesData=null):v.pesData=_,A&&(h=L(A))?(m.isAAC?C(h):I(h),m.pesData=null):(A&&A.size&&o.b.log("last AAC PES packet truncated,might overlap between fragments"),m.pesData=A),R&&(h=L(R))?(O(h),y.pesData=null):y.pesData=R,null==this.sampleAes?this.remuxer.remux(m,v,y,this._txtTrack,r,n,s):this.decryptAndRemux(m,v,y,this._txtTrack,r,n,s)},t.decryptAndRemux=function(e,t,r,i,a,n,s){if(e.samples&&e.isAAC){var o=this;this.sampleAes.decryptAacSamples(e.samples,0,(function(){o.decryptAndRemuxAvc(e,t,r,i,a,n,s)}))}else this.decryptAndRemuxAvc(e,t,r,i,a,n,s)},t.decryptAndRemuxAvc=function(e,t,r,i,a,n,s){if(t.samples){var o=this;this.sampleAes.decryptAvcSamples(t.samples,0,0,(function(){o.remuxer.remux(e,t,r,i,a,n,s)}))}else this.remuxer.remux(e,t,r,i,a,n,s)},t.destroy=function(){this._initPTS=this._initDTS=void 0,this._duration=0},t._parsePAT=function(e,t){return(31&e[t+10])<<8|e[t+11]},t._parsePMT=function(e,t,r,i){var a,n,s={audio:-1,avc:-1,id3:-1,isAAC:!0};for(a=t+3+((15&e[t+1])<<8|e[t+2])-4,t+=12+((15&e[t+10])<<8|e[t+11]);t<a;){switch(n=(31&e[t+1])<<8|e[t+2],e[t]){case 207:if(!i){o.b.log("unknown stream type:"+e[t]);break}case 15:-1===s.audio&&(s.audio=n);break;case 21:-1===s.id3&&(s.id3=n);break;case 219:if(!i){o.b.log("unknown stream type:"+e[t]);break}case 27:-1===s.avc&&(s.avc=n);break;case 3:case 4:r?-1===s.audio&&(s.audio=n,s.isAAC=!1):o.b.log("MPEG audio found, not supported in this browser for now");break;case 36:o.b.warn("HEVC stream type found, not supported for now");break;default:o.b.log("unknown stream type:"+e[t])}t+=5+((15&e[t+3])<<8|e[t+4])}return s},t._parsePES=function(e){var t,r,i,a,n,s,l,u,d=0,c=e.data;if(!e||0===e.size)return null;for(;c[0].length<19&&c.length>1;){var h=new Uint8Array(c[0].length+c[1].length);h.set(c[0]),h.set(c[1],c[0].length),c[0]=h,c.splice(1,1)}if(1===((t=c[0])[0]<<16)+(t[1]<<8)+t[2]){if((i=(t[4]<<8)+t[5])&&i>e.size-6)return null;if(192&(r=t[7])&&((s=536870912*(14&t[9])+4194304*(255&t[10])+16384*(254&t[11])+128*(255&t[12])+(254&t[13])/2)>4294967295&&(s-=8589934592),64&r?((l=536870912*(14&t[14])+4194304*(255&t[15])+16384*(254&t[16])+128*(255&t[17])+(254&t[18])/2)>4294967295&&(l-=8589934592),s-l>54e5&&(o.b.warn(Math.round((s-l)/9e4)+"s delta between PTS and DTS, align them"),s=l)):l=s),u=(a=t[8])+9,e.size<=u)return null;e.size-=u,n=new Uint8Array(e.size);for(var f=0,g=c.length;f<g;f++){var p=(t=c[f]).byteLength;if(u){if(u>p){u-=p;continue}t=t.subarray(u),p-=u,u=0}n.set(t,d),d+=p}return i&&(i-=a+3),{data:n,pts:s,dts:l,len:i}}return null},t.pushAccesUnit=function(e,t){if(e.units.length&&e.frame){var r=t.samples,i=r.length;if(isNaN(e.pts)){if(!i)return void t.dropped++;var a=r[i-1];e.pts=a.pts,e.dts=a.dts}!this.config.forceKeyFrameOnDiscontinuity||!0===e.key||t.sps&&(i||this.contiguous)?(e.id=i,r.push(e)):t.dropped++}e.debug.length&&o.b.log(e.pts+"/"+e.dts+":"+e.debug)},t._parseAVCPES=function(e,t){var r,i,a,n=this,s=this._avcTrack,o=this._parseAVCNALu(e.data),l=this.avcSample,u=!1,d=this.pushAccesUnit.bind(this),c=function(e,t,r,i){return{key:e,pts:t,dts:r,units:[],debug:i}};e.data=null,l&&o.length&&!s.audFound&&(d(l,s),l=this.avcSample=c(!1,e.pts,e.dts,"")),o.forEach((function(t){switch(t.type){case 1:i=!0,l||(l=n.avcSample=c(!0,e.pts,e.dts,"")),l.frame=!0;var o=t.data;if(u&&o.length>4){var h=new S(o).readSliceType();2!==h&&4!==h&&7!==h&&9!==h||(l.key=!0)}break;case 5:i=!0,l||(l=n.avcSample=c(!0,e.pts,e.dts,"")),l.key=!0,l.frame=!0;break;case 6:i=!0,(r=new S(n.discardEPB(t.data))).readUByte();for(var f=0,g=0,p=!1,v=0;!p&&r.bytesAvailable>1;){f=0;do{f+=v=r.readUByte()}while(255===v);g=0;do{g+=v=r.readUByte()}while(255===v);if(4===f&&0!==r.bytesAvailable){if(p=!0,181===r.readUByte())if(49===r.readUShort())if(1195456820===r.readUInt())if(3===r.readUByte()){var y=r.readUByte(),b=31&y,T=[y,r.readUByte()];for(a=0;a<b;a++)T.push(r.readUByte()),T.push(r.readUByte()),T.push(r.readUByte());n._insertSampleInOrder(n._txtTrack.samples,{type:3,pts:e.pts,bytes:T})}}else if(5===f&&0!==r.bytesAvailable){if(p=!0,g>16){var E=[];for(a=0;a<16;a++)E.push(r.readUByte().toString(16)),3!==a&&5!==a&&7!==a&&9!==a||E.push("-");var _=g-16,A=new Uint8Array(_);for(a=0;a<_;a++)A[a]=r.readUByte();n._insertSampleInOrder(n._txtTrack.samples,{pts:e.pts,payloadType:f,uuid:E.join(""),userDataBytes:A,userData:Object(m.b)(A.buffer)})}}else if(g<r.bytesAvailable)for(a=0;a<g;a++)r.readUByte()}break;case 7:if(i=!0,u=!0,!s.sps){var R=(r=new S(t.data)).readSPS();s.width=R.width,s.height=R.height,s.pixelRatio=R.pixelRatio,s.sps=[t.data],s.duration=n._duration;var w=t.data.subarray(1,4),k="avc1.";for(a=0;a<3;a++){var L=w[a].toString(16);L.length<2&&(L="0"+L),k+=L}s.codec=k}break;case 8:i=!0,s.pps||(s.pps=[t.data]);break;case 9:i=!1,s.audFound=!0,l&&d(l,s),l=n.avcSample=c(!1,e.pts,e.dts,"");break;case 12:i=!1;break;default:i=!1,l&&(l.debug+="unknown NAL "+t.type+" ")}l&&i&&l.units.push(t)})),t&&l&&(d(l,s),this.avcSample=null)},t._insertSampleInOrder=function(e,t){var r=e.length;if(r>0){if(t.pts>=e[r-1].pts)e.push(t);else for(var i=r-1;i>=0;i--)if(t.pts<e[i].pts){e.splice(i,0,t);break}}else e.push(t)},t._getLastNalUnit=function(){var e,t=this.avcSample;if(!t||0===t.units.length){var r=this._avcTrack.samples;t=r[r.length-1]}if(t){var i=t.units;e=i[i.length-1]}return e},t._parseAVCNALu=function(e){var t,r,i,a,n=0,s=e.byteLength,o=this._avcTrack,l=o.naluState||0,u=l,d=[],c=-1;for(-1===l&&(c=0,a=31&e[0],l=0,n=1);n<s;)if(t=e[n++],l)if(1!==l)if(t)if(1===t){if(c>=0)i={data:e.subarray(c,n-l-1),type:a},d.push(i);else{var h=this._getLastNalUnit();if(h&&(u&&n<=4-u&&h.state&&(h.data=h.data.subarray(0,h.data.byteLength-u)),(r=n-l-1)>0)){var f=new Uint8Array(h.data.byteLength+r);f.set(h.data,0),f.set(e.subarray(0,r),h.data.byteLength),h.data=f}}n<s?(c=n,a=31&e[n],l=0):l=-1}else l=0;else l=3;else l=t?0:2;else l=t?0:1;if(c>=0&&l>=0&&(i={data:e.subarray(c,s),type:a,state:l},d.push(i)),0===d.length){var g=this._getLastNalUnit();if(g){var p=new Uint8Array(g.data.byteLength+e.byteLength);p.set(g.data,0),p.set(e,g.data.byteLength),g.data=p}}return o.naluState=l,d},t.discardEPB=function(e){for(var t,r,i=e.byteLength,a=[],n=1;n<i-2;)0===e[n]&&0===e[n+1]&&3===e[n+2]?(a.push(n+2),n+=2):n++;if(0===a.length)return e;t=i-a.length,r=new Uint8Array(t);var s=0;for(n=0;n<t;s++,n++)s===a[0]&&(s++,a.shift()),r[n]=e[s];return r},t._parseAACPES=function(e){var t,r,n,s,l,u,d,c=this._audioTrack,f=e.data,m=e.pts,y=this.aacOverFlow,b=this.aacLastPTS;if(y){var T=new Uint8Array(y.byteLength+f.byteLength);T.set(y,0),T.set(f,y.byteLength),f=T}for(n=0,l=f.length;n<l-1&&!h(f,n);n++);if(n&&(n<l-1?(u="AAC PES did not start with ADTS header,offset:"+n,d=!1):(u="no ADTS header found in AAC PES",d=!0),o.b.warn("parsing error:"+u),this.observer.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:d,reason:u}),d))return;if(g(c,this.observer,f,n,this.audioCodec),r=0,t=p(c.samplerate),y&&b){var E=b+t;Math.abs(E-m)>1&&(o.b.log("AAC: align PTS for overlapping frames by "+Math.round((E-m)/90)),m=E)}for(;n<l;){if(h(f,n)){if(n+5<l){var S=v(c,f,n,m,r);if(S){n+=S.length,s=S.sample.pts,r++;continue}}break}n++}y=n<l?f.subarray(n,l):null,this.aacOverFlow=y,this.aacLastPTS=s},t._parseMPEGPES=function(e){for(var t=e.data,r=t.length,i=0,a=0,n=e.pts;a<r;)if(E.isHeader(t,a)){var s=E.appendFrame(this._audioTrack,t,a,n,i);if(!s)break;a+=s.length,i++}else a++},t._parseID3PES=function(e){this._id3Track.samples.push(e)},e}(),w=function(){function e(e,t,r){this.observer=e,this.config=r,this.remuxer=t}var t=e.prototype;return t.resetInitSegment=function(e,t,r,i){this._audioTrack={container:"audio/mpeg",type:"audio",id:-1,sequenceNumber:0,isAAC:!1,samples:[],len:0,manifestCodec:t,duration:i,inputTimeScale:9e4}},t.resetTimeStamp=function(){},e.probe=function(e){var t,r,i=m.a.getID3Data(e,0);if(i&&void 0!==m.a.getTimeStamp(i))for(t=i.length,r=Math.min(e.length-1,t+100);t<r;t++)if(E.probe(e,t))return o.b.log("MPEG Audio sync word found !"),!0;return!1},t.append=function(e,t,r,i){for(var a=m.a.getID3Data(e,0),n=m.a.getTimeStamp(a),s=n?90*n:9e4*t,o=a.length,l=e.length,u=0,d=0,c=this._audioTrack,h=[{pts:s,dts:s,data:a}];o<l;)if(E.isHeader(e,o)){var f=E.appendFrame(c,e,o,s,u);if(!f)break;o+=f.length,d=f.sample.pts,u++}else m.a.isHeader(e,o)?(a=m.a.getID3Data(e,o),h.push({pts:d,dts:d,data:a}),o+=a.length):o++;this.remuxer.remux(c,{samples:[]},{samples:h,inputTimeScale:9e4},{samples:[]},t,r,i)},t.destroy=function(){},e}(),k=function(){function e(){}return e.getSilentFrame=function(e,t){switch(e){case"mp4a.40.2":if(1===t)return new Uint8Array([0,200,0,128,35,128]);if(2===t)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(3===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(4===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(5===t)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===t)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===t)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===t)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===t)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},e}(),L=Math.pow(2,32)-1,D=function(){function e(){}return e.init=function(){var t;for(t in e.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:[]},e.types)e.types.hasOwnProperty(t)&&(e.types[t]=[t.charCodeAt(0),t.charCodeAt(1),t.charCodeAt(2),t.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]);e.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]);e.STTS=e.STSC=e.STCO=n,e.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),e.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),e.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),e.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var s=new Uint8Array([105,115,111,109]),o=new Uint8Array([97,118,99,49]),l=new Uint8Array([0,0,0,1]);e.FTYP=e.box(e.types.ftyp,s,l,s,o),e.DINF=e.box(e.types.dinf,e.box(e.types.dref,a))},e.box=function(e){for(var t,r=Array.prototype.slice.call(arguments,1),i=8,a=r.length,n=a;a--;)i+=r[a].byteLength;for((t=new Uint8Array(i))[0]=i>>24&255,t[1]=i>>16&255,t[2]=i>>8&255,t[3]=255&i,t.set(e,4),a=0,i=8;a<n;a++)t.set(r[a],i),i+=r[a].byteLength;return t},e.hdlr=function(t){return e.box(e.types.hdlr,e.HDLR_TYPES[t])},e.mdat=function(t){return e.box(e.types.mdat,t)},e.mdhd=function(t,r){r*=t;var i=Math.floor(r/(L+1)),a=Math.floor(r%(L+1));return e.box(e.types.mdhd,new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,i>>24,i>>16&255,i>>8&255,255&i,a>>24,a>>16&255,a>>8&255,255&a,85,196,0,0]))},e.mdia=function(t){return e.box(e.types.mdia,e.mdhd(t.timescale,t.duration),e.hdlr(t.type),e.minf(t))},e.mfhd=function(t){return e.box(e.types.mfhd,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t]))},e.minf=function(t){return"audio"===t.type?e.box(e.types.minf,e.box(e.types.smhd,e.SMHD),e.DINF,e.stbl(t)):e.box(e.types.minf,e.box(e.types.vmhd,e.VMHD),e.DINF,e.stbl(t))},e.moof=function(t,r,i){return e.box(e.types.moof,e.mfhd(t),e.traf(i,r))},e.moov=function(t){for(var r=t.length,i=[];r--;)i[r]=e.trak(t[r]);return e.box.apply(null,[e.types.moov,e.mvhd(t[0].timescale,t[0].duration)].concat(i).concat(e.mvex(t)))},e.mvex=function(t){for(var r=t.length,i=[];r--;)i[r]=e.trex(t[r]);return e.box.apply(null,[e.types.mvex].concat(i))},e.mvhd=function(t,r){r*=t;var i=Math.floor(r/(L+1)),a=Math.floor(r%(L+1)),n=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,i>>24,i>>16&255,i>>8&255,255&i,a>>24,a>>16&255,a>>8&255,255&a,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 e.box(e.types.mvhd,n)},e.sdtp=function(t){var r,i,a=t.samples||[],n=new Uint8Array(4+a.length);for(i=0;i<a.length;i++)r=a[i].flags,n[i+4]=r.dependsOn<<4|r.isDependedOn<<2|r.hasRedundancy;return e.box(e.types.sdtp,n)},e.stbl=function(t){return e.box(e.types.stbl,e.stsd(t),e.box(e.types.stts,e.STTS),e.box(e.types.stsc,e.STSC),e.box(e.types.stsz,e.STSZ),e.box(e.types.stco,e.STCO))},e.avc1=function(t){var r,i,a,n=[],s=[];for(r=0;r<t.sps.length;r++)a=(i=t.sps[r]).byteLength,n.push(a>>>8&255),n.push(255&a),n=n.concat(Array.prototype.slice.call(i));for(r=0;r<t.pps.length;r++)a=(i=t.pps[r]).byteLength,s.push(a>>>8&255),s.push(255&a),s=s.concat(Array.prototype.slice.call(i));var o=e.box(e.types.avcC,new Uint8Array([1,n[3],n[4],n[5],255,224|t.sps.length].concat(n).concat([t.pps.length]).concat(s))),l=t.width,u=t.height,d=t.pixelRatio[0],c=t.pixelRatio[1];return e.box(e.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,u>>8&255,255&u,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]),o,e.box(e.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),e.box(e.types.pasp,new Uint8Array([d>>24,d>>16&255,d>>8&255,255&d,c>>24,c>>16&255,c>>8&255,255&c])))},e.esds=function(e){var t=e.config.length;return new Uint8Array([0,0,0,0,3,23+t,0,1,0,4,15+t,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([t]).concat(e.config).concat([6,1,2]))},e.mp4a=function(t){var r=t.samplerate;return e.box(e.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),e.box(e.types.esds,e.esds(t)))},e.mp3=function(t){var r=t.samplerate;return e.box(e.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]))},e.stsd=function(t){return"audio"===t.type?t.isAAC||"mp3"!==t.codec?e.box(e.types.stsd,e.STSD,e.mp4a(t)):e.box(e.types.stsd,e.STSD,e.mp3(t)):e.box(e.types.stsd,e.STSD,e.avc1(t))},e.tkhd=function(t){var r=t.id,i=t.duration*t.timescale,a=t.width,n=t.height,s=Math.floor(i/(L+1)),o=Math.floor(i%(L+1));return e.box(e.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,s>>24,s>>16&255,s>>8&255,255&s,o>>24,o>>16&255,o>>8&255,255&o,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,a>>8&255,255&a,0,0,n>>8&255,255&n,0,0]))},e.traf=function(t,r){var i=e.sdtp(t),a=t.id,n=Math.floor(r/(L+1)),s=Math.floor(r%(L+1));return e.box(e.types.traf,e.box(e.types.tfhd,new Uint8Array([0,0,0,0,a>>24,a>>16&255,a>>8&255,255&a])),e.box(e.types.tfdt,new Uint8Array([1,0,0,0,n>>24,n>>16&255,n>>8&255,255&n,s>>24,s>>16&255,s>>8&255,255&s])),e.trun(t,i.length+16+20+8+16+8+8),i)},e.trak=function(t){return t.duration=t.duration||4294967295,e.box(e.types.trak,e.tkhd(t),e.mdia(t))},e.trex=function(t){var r=t.id;return e.box(e.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},e.trun=function(t,r){var i,a,n,s,o,l,u=t.samples||[],d=u.length,c=12+16*d,h=new Uint8Array(c);for(r+=8+c,h.set([0,0,15,1,d>>>24&255,d>>>16&255,d>>>8&255,255&d,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),i=0;i<d;i++)n=(a=u[i]).duration,s=a.size,o=a.flags,l=a.cts,h.set([n>>>24&255,n>>>16&255,n>>>8&255,255&n,s>>>24&255,s>>>16&255,s>>>8&255,255&s,o.isLeading<<2|o.dependsOn,o.isDependedOn<<6|o.hasRedundancy<<4|o.paddingValue<<1|o.isNonSync,61440&o.degradPrio,15&o.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*i);return e.box(e.types.trun,h)},e.initSegment=function(t){e.types||e.init();var r,i=e.moov(t);return(r=new Uint8Array(e.FTYP.byteLength+i.byteLength)).set(e.FTYP),r.set(i,e.FTYP.byteLength),r},e}();function C(e,t,r,i){void 0===r&&(r=1),void 0===i&&(i=!1);var a=e*t*r;return i?Math.round(a):a}function I(e,t){return void 0===t&&(t=!1),C(e,1e3,1/9e4,t)}function O(e,t){return void 0===t&&(t=1),C(e,9e4,1/t)}var x,P=O(10),M=O(.2),F=function(){function e(e,t,r,i){this.observer=e,this.config=t,this.typeSupported=r;var a=navigator.userAgent;this.isSafari=i&&i.indexOf("Apple")>-1&&a&&!a.match("CriOS"),this.ISGenerated=!1}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(e){this._initPTS=this._initDTS=e},t.resetInitSegment=function(){this.ISGenerated=!1},t.remux=function(e,t,r,a,n,s,l){if(this.ISGenerated||this.generateIS(e,t,n),this.ISGenerated){var u=e.samples.length,d=t.samples.length,c=n,h=n;if(u&&d){var f=(e.samples[0].pts-t.samples[0].pts)/t.inputTimeScale;c+=Math.max(0,f),h+=Math.max(0,-f)}if(u){e.timescale||(o.b.warn("regenerate InitSegment as audio detected"),this.generateIS(e,t,n));var g,p=this.remuxAudio(e,c,s,l);if(d)p&&(g=p.endPTS-p.startPTS),t.timescale||(o.b.warn("regenerate InitSegment as video detected"),this.generateIS(e,t,n)),this.remuxVideo(t,h,s,g,l)}else if(d){var v=this.remuxVideo(t,h,s,0,l);v&&e.codec&&this.remuxEmptyAudio(e,c,s,v)}}r.samples.length&&this.remuxID3(r,n),a.samples.length&&this.remuxText(a,n),this.observer.trigger(i.a.FRAG_PARSED)},t.generateIS=function(e,t,r){var n,s,l=this.observer,u=e.samples,d=t.samples,c=this.typeSupported,h="audio/mp4",f={},g={tracks:f},p=void 0===this._initPTS;if(p&&(n=s=1/0),e.config&&u.length&&(e.timescale=e.samplerate,o.b.log("audio sampling rate : "+e.samplerate),e.isAAC||(c.mpeg?(h="audio/mpeg",e.codec=""):c.mp3&&(e.codec="mp3")),f.audio={container:h,codec:e.codec,initSegment:!e.isAAC&&c.mpeg?new Uint8Array:D.initSegment([e]),metadata:{channelCount:e.channelCount}},p&&(n=s=u[0].pts-e.inputTimeScale*r)),t.sps&&t.pps&&d.length){var v=t.inputTimeScale;t.timescale=v,f.video={container:"video/mp4",codec:t.codec,initSegment:D.initSegment([t]),metadata:{width:t.width,height:t.height}},p&&(n=Math.min(n,d[0].pts-v*r),s=Math.min(s,d[0].dts-v*r),this.observer.trigger(i.a.INIT_PTS_FOUND,{initPTS:n}))}Object.keys(f).length?(l.trigger(i.a.FRAG_PARSING_INIT_SEGMENT,g),this.ISGenerated=!0,p&&(this._initPTS=n,this._initDTS=s)):l.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})},t.remuxVideo=function(e,t,r,n,s){var l,u,d,c,h,f,g,p=8,v=e.timescale,m=e.samples,y=[],b=m.length,T=this._PTSNormalize,E=this._initPTS,S=this.nextAvcDts,_=this.isSafari;if(0!==b){_&&(r|=m.length&&S&&(s&&Math.abs(t-S/v)<.1||Math.abs(m[0].pts-S-E)<v/5)),r||(S=t*v),m.forEach((function(e){e.pts=T(e.pts-E,S),e.dts=T(e.dts-E,S)})),m.sort((function(e,t){var r=e.dts-t.dts,i=e.pts-t.pts;return r||i||e.id-t.id}));var A=m.reduce((function(e,t){return Math.max(Math.min(e,t.pts-t.dts),-1*M)}),0);if(A<0){o.b.warn("PTS < DTS detected in video samples, shifting DTS by "+I(A,!0)+" ms to overcome this issue");for(var R=0;R<m.length;R++)m[R].dts+=A}var w=m[0];h=Math.max(w.dts,0),c=Math.max(w.pts,0);var k=h-S;r&&k&&(k>1?o.b.log("AVC: "+I(k,!0)+" ms hole between fragments detected,filling it"):k<-1&&o.b.log("AVC: "+I(-k,!0)+" ms overlapping between fragments detected"),h=S,m[0].dts=h,c=Math.max(c-k,S),m[0].pts=c,o.b.log("Video: PTS/DTS adjusted: "+I(c,!0)+"/"+I(h,!0)+", delta: "+I(k,!0)+" ms")),w=m[m.length-1],g=Math.max(w.dts,0),f=Math.max(w.pts,0,g),_&&(l=Math.round((g-h)/(m.length-1)));for(var L=0,C=0,O=0;O<b;O++){for(var x=m[O],P=x.units,F=P.length,U=0,N=0;N<F;N++)U+=P[N].data.length;C+=U,L+=F,x.length=U,x.dts=_?h+O*l:Math.max(x.dts,h),x.pts=Math.max(x.pts,x.dts)}var B=C+4*L+8;try{u=new Uint8Array(B)}catch(e){return void this.observer.trigger(i.a.ERROR,{type:a.b.MUX_ERROR,details:a.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:B,reason:"fail allocating video mdat "+B})}var G=new DataView(u.buffer);G.setUint32(0,B),u.set(D.types.mdat,4);for(var K=0;K<b;K++){for(var j=m[K],H=j.units,V=0,Y=void 0,W=0,q=H.length;W<q;W++){var z=H[W],X=z.data,Q=z.data.byteLength;G.setUint32(p,Q),p+=4,u.set(X,p),p+=Q,V+=4+Q}if(_)Y=Math.max(0,l*Math.round((j.pts-j.dts)/l));else{if(K<b-1)l=m[K+1].dts-j.dts;else{var $=this.config,J=j.dts-m[K>0?K-1:K].dts;if($.stretchShortVideoTrack){var Z=$.maxBufferHole,ee=Math.floor(Z*v),te=(n?c+n*v:this.nextAudioPts)-j.pts;te>ee?((l=te-J)<0&&(l=J),o.b.log("It is approximately "+I(te,!1)+" ms to the next segment; using duration "+I(l,!1)+" ms for the last video frame.")):l=J}else l=J}Y=Math.round(j.pts-j.dts)}y.push({size:V,duration:l,cts:Y,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:j.key?2:1,isNonSync:j.key?0:1}})}this.nextAvcDts=g+l;var re=e.dropped;if(e.nbNalu=0,e.dropped=0,y.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1){var ie=y[0].flags;ie.dependsOn=2,ie.isNonSync=0}e.samples=y,d=D.moof(e.sequenceNumber++,h,e),e.samples=[];var ae={data1:d,data2:u,startPTS:c/v,endPTS:(f+l)/v,startDTS:h/v,endDTS:this.nextAvcDts/v,type:"video",hasAudio:!1,hasVideo:!0,nb:y.length,dropped:re};return this.observer.trigger(i.a.FRAG_PARSING_DATA,ae),ae}},t.remuxAudio=function(e,t,r,n){var s,l,u,d,c,h,f=e.inputTimeScale,g=e.timescale,p=f/g,v=(e.isAAC?1024:1152)*p,m=this._PTSNormalize,y=this._initPTS,b=!e.isAAC&&this.typeSupported.mpeg,T=b?0:8,E=e.samples,S=[],_=this.nextAudioPts;if(r|=E.length&&_&&(n&&Math.abs(t-_/f)<.1||Math.abs(E[0].pts-_-y)<20*v),E.forEach((function(e){e.pts=e.dts=m(e.pts-y,t*f)})),0!==(E=E.filter((function(e){return e.pts>=0}))).length){if(r||(_=n?t*f:E[0].pts),e.isAAC)for(var A=this.config.maxAudioFramesDrift,R=0,w=_;R<E.length;){var L,C=E[R];if((L=C.pts-w)<=-A*v)o.b.warn("Dropping 1 audio frame @ "+I(w,!0)+" ms due to "+I(L,!0)+" ms overlap."),E.splice(R,1);else if(L>=A*v&&L<P&&w){var O=Math.round(L/v);o.b.warn("Injecting "+O+" audio frames @ "+I(w,!0)+" ms due to "+I(w,!0)+" ms gap.");for(var x=0;x<O;x++){var M=Math.max(w,0);(l=k.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(o.b.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),l=C.unit.subarray()),E.splice(R,0,{unit:l,pts:M,dts:M}),w+=v,R++}C.pts=C.dts=w,w+=v,R++}else Math.abs(L),C.pts=C.dts=w,w+=v,R++}for(var F=E.length,U=0;F--;)U+=E[F].unit.byteLength;for(var N=0,B=E.length;N<B;N++){var G=E[N],K=G.unit,j=G.pts;if(void 0!==h)s.duration=Math.round((j-h)/p);else{var H=j-_,V=0;if(r&&e.isAAC&&H){if(H>0&&H<P)V=Math.round((j-_)/v),o.b.log(I(H,!0)+" ms hole between AAC samples detected,filling it"),V>0&&((l=k.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(l=K.subarray()),U+=V*l.length);else if(H<-12){o.b.log("drop overlapping AAC sample, expected/parsed/delta: "+I(_,!0)+" ms / "+I(j,!0)+" ms / "+I(-H,!0)+" ms"),U-=K.byteLength;continue}j=_}if(c=j,!(U>0))return;U+=T;try{u=new Uint8Array(U)}catch(e){return void this.observer.trigger(i.a.ERROR,{type:a.b.MUX_ERROR,details:a.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:U,reason:"fail allocating audio mdat "+U})}b||(new DataView(u.buffer).setUint32(0,U),u.set(D.types.mdat,4));for(var Y=0;Y<V;Y++)(l=k.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(o.b.log("Unable to get silent frame for given audio codec; duplicating this frame instead."),l=K.subarray()),u.set(l,T),T+=l.byteLength,s={size:l.byteLength,cts:0,duration:1024,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},S.push(s)}u.set(K,T);var W=K.byteLength;T+=W,s={size:W,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},S.push(s),h=j}var q=0;if((F=S.length)>=2&&(q=S[F-2].duration,s.duration=q),F){this.nextAudioPts=_=h+p*q,e.samples=S,d=b?new Uint8Array:D.moof(e.sequenceNumber++,c/p,e),e.samples=[];var z=c/f,X=_/f,Q={data1:d,data2:u,startPTS:z,endPTS:X,startDTS:z,endDTS:X,type:"audio",hasAudio:!0,hasVideo:!1,nb:F};return this.observer.trigger(i.a.FRAG_PARSING_DATA,Q),Q}return null}},t.remuxEmptyAudio=function(e,t,r,i){var a=e.inputTimeScale,n=a/(e.samplerate?e.samplerate:a),s=this.nextAudioPts,l=(void 0!==s?s:i.startDTS*a)+this._initDTS,u=i.endDTS*a+this._initDTS,d=1024*n,c=Math.ceil((u-l)/d),h=k.getSilentFrame(e.manifestCodec||e.codec,e.channelCount);if(o.b.warn("remux empty Audio"),h){for(var f=[],g=0;g<c;g++){var p=l+g*d;f.push({unit:h,pts:p,dts:p})}e.samples=f,this.remuxAudio(e,t,r)}else o.b.trace("Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!")},t.remuxID3=function(e){var t,r=e.samples.length,a=e.inputTimeScale,n=this._initPTS,s=this._initDTS;if(r){for(var o=0;o<r;o++)(t=e.samples[o]).pts=(t.pts-n)/a,t.dts=(t.dts-s)/a;this.observer.trigger(i.a.FRAG_PARSING_METADATA,{samples:e.samples})}e.samples=[]},t.remuxText=function(e){e.samples.sort((function(e,t){return e.pts-t.pts}));var t,r=e.samples.length,a=e.inputTimeScale,n=this._initPTS;if(r){for(var s=0;s<r;s++)(t=e.samples[s]).pts=(t.pts-n)/a;this.observer.trigger(i.a.FRAG_PARSING_USERDATA,{samples:e.samples})}e.samples=[]},t._PTSNormalize=function(e,t){var r;if(void 0===t)return e;for(r=t<e?-8589934592:8589934592;Math.abs(e-t)>4294967296;)e+=r;return e},e}(),U=function(){function e(e){this.observer=e}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(){},t.resetInitSegment=function(){},t.remux=function(e,t,r,a,n,s,o,l){var u=this.observer,d="";e&&(d+="audio"),t&&(d+="video"),u.trigger(i.a.FRAG_PARSING_DATA,{data1:l,startPTS:n,startDTS:n,type:d,hasAudio:!!e,hasVideo:!!t,nb:1,dropped:0}),u.trigger(i.a.FRAG_PARSED)},e}(),N=Object(l.a)();try{x=N.performance.now.bind(N.performance)}catch(e){o.b.debug("Unable to use Performance API on this environment"),x=N.Date.now}var B=function(){function e(e,t,r,i){this.observer=e,this.typeSupported=t,this.config=r,this.vendor=i}var t=e.prototype;return t.destroy=function(){var e=this.demuxer;e&&e.destroy()},t.push=function(e,t,r,a,s,o,l,u,d,c,h,f){var g=this;if(e.byteLength>0&&null!=t&&null!=t.key&&"AES-128"===t.method){var p=this.decrypter;null==p&&(p=this.decrypter=new n.a(this.observer,this.config));var v=x();p.decrypt(e,t.key.buffer,t.iv.buffer,(function(e){var n=x();g.observer.trigger(i.a.FRAG_DECRYPTED,{stats:{tstart:v,tdecrypt:n}}),g.pushDecrypted(new Uint8Array(e),t,new Uint8Array(r),a,s,o,l,u,d,c,h,f)}))}else this.pushDecrypted(new Uint8Array(e),t,new 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w(e){for(var t=[],r=0;r<e.length;r+=4)t.push(e[r]<<24|e[r+1]<<16|e[r+2]<<8|e[r+3]);return t}var k=function e(t){if(!(this instanceof e))throw Error("AES must be instanitated with `new`");Object.defineProperty(this,"key",{value:a(t,!0)}),this._prepare()};k.prototype._prepare=function(){var e=d[this.key.length];if(null==e)throw new Error("invalid key size (must be 16, 24 or 32 bytes)");this._Ke=[],this._Kd=[];for(var t=0;t<=e;t++)this._Ke.push([0,0,0,0]),this._Kd.push([0,0,0,0]);var r,i=4*(e+1),a=this.key.length/4,n=w(this.key);for(t=0;t<a;t++)r=t>>2,this._Ke[r][t%4]=n[t],this._Kd[e-r][t%4]=n[t];for(var s,o=0,l=a;l<i;){if(s=n[a-1],n[0]^=h[s>>16&255]<<24^h[s>>8&255]<<16^h[255&s]<<8^h[s>>24&255]^c[o]<<24,o+=1,8!=a)for(t=1;t<a;t++)n[t]^=n[t-1];else{for(t=1;t<a/2;t++)n[t]^=n[t-1];s=n[a/2-1],n[a/2]^=h[255&s]^h[s>>8&255]<<8^h[s>>16&255]<<16^h[s>>24&255]<<24;for(t=a/2+1;t<a;t++)n[t]^=n[t-1]}for(t=0;t<a&&l<i;)u=l>>2,f=l%4,this._Ke[u][f]=n[t],this._Kd[e-u][f]=n[t++],l++}for(var u=1;u<e;u++)for(var f=0;f<4;f++)s=this._Kd[u][f],this._Kd[u][f]=S[s>>24&255]^_[s>>16&255]^A[s>>8&255]^R[255&s]},k.prototype.encrypt=function(e){if(16!=e.length)throw new Error("invalid plaintext size (must be 16 bytes)");for(var t=this._Ke.length-1,r=[0,0,0,0],i=w(e),a=0;a<4;a++)i[a]^=this._Ke[0][a];for(var s=1;s<t;s++){for(a=0;a<4;a++)r[a]=g[i[a]>>24&255]^p[i[(a+1)%4]>>16&255]^v[i[(a+2)%4]>>8&255]^m[255&i[(a+3)%4]]^this._Ke[s][a];i=r.slice()}var o,l=n(16);for(a=0;a<4;a++)o=this._Ke[t][a],l[4*a]=255&(h[i[a]>>24&255]^o>>24),l[4*a+1]=255&(h[i[(a+1)%4]>>16&255]^o>>16),l[4*a+2]=255&(h[i[(a+2)%4]>>8&255]^o>>8),l[4*a+3]=255&(h[255&i[(a+3)%4]]^o);return l},k.prototype.decrypt=function(e){if(16!=e.length)throw new Error("invalid ciphertext size (must be 16 bytes)");for(var t=this._Kd.length-1,r=[0,0,0,0],i=w(e),a=0;a<4;a++)i[a]^=this._Kd[0][a];for(var s=1;s<t;s++){for(a=0;a<4;a++)r[a]=y[i[a]>>24&255]^b[i[(a+3)%4]>>16&255]^T[i[(a+2)%4]>>8&255]^E[255&i[(a+1)%4]]^this._Kd[s][a];i=r.slice()}var o,l=n(16);for(a=0;a<4;a++)o=this._Kd[t][a],l[4*a]=255&(f[i[a]>>24&255]^o>>24),l[4*a+1]=255&(f[i[(a+3)%4]>>16&255]^o>>16),l[4*a+2]=255&(f[i[(a+2)%4]>>8&255]^o>>8),l[4*a+3]=255&(f[255&i[(a+1)%4]]^o);return l};var L=function e(t,r){if(!(this instanceof e))throw Error("AES must be instanitated with `new`");if(this.description="Cipher Block Chaining",this.name="cbc",r){if(16!=r.length)throw new Error("invalid initialation vector size (must be 16 bytes)")}else r=n(16);this._lastCipherblock=a(r,!0),this._aes=new k(t)};L.prototype.encrypt=function(e){if((e=a(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=n(e.length),r=n(16),i=0;i<e.length;i+=16){s(e,r,0,i,i+16);for(var o=0;o<16;o++)r[o]^=this._lastCipherblock[o];this._lastCipherblock=this._aes.encrypt(r),s(this._lastCipherblock,t,i)}return t},L.prototype.decrypt=function(e){if((e=a(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=n(e.length),r=n(16),i=0;i<e.length;i+=16){s(e,r,0,i,i+16),r=this._aes.decrypt(r);for(var o=0;o<16;o++)t[i+o]=r[o]^this._lastCipherblock[o];s(e,this._lastCipherblock,0,i,i+16)}return t};var D=function e(t){if(!(this instanceof e))throw Error("Counter must be instanitated with `new`");0===t||t||(t=1),"number"==typeof t?(this._counter=n(16),this.setValue(t)):this.setBytes(t)};D.prototype.setValue=function(e){if("number"!=typeof e||parseInt(e)!=e)throw new Error("invalid counter value (must be an integer)");if(e>Number.MAX_SAFE_INTEGER)throw new Error("integer value out of safe range");for(var t=15;t>=0;--t)this._counter[t]=e%256,e=parseInt(e/256)},D.prototype.setBytes=function(e){if(16!=(e=a(e,!0)).length)throw new Error("invalid counter bytes size (must be 16 bytes)");this._counter=e},D.prototype.increment=function(){for(var e=15;e>=0;e--){if(255!==this._counter[e]){this._counter[e]++;break}this._counter[e]=0}};var C={AES:k,Counter:D,modeOfOperation:{cbc:L},utils:{hex:u,utf8:l},padding:{pkcs7:{pad:function(e){var t=16-(e=a(e,!0)).length%16,r=n(e.length+t);s(e,r);for(var i=e.length;i<r.length;i++)r[i]=t;return r},strip:function(e){if((e=a(e,!0)).length<16)throw new Error("PKCS#7 invalid length");var t=e[e.length-1];if(t>16)throw new Error("PKCS#7 padding byte out of range");for(var r=e.length-t,i=0;i<t;i++)if(e[r+i]!==t)throw new Error("PKCS#7 invalid padding byte");var o=n(r);return s(e,o,0,0,r),o}}},_arrayTest:{coerceArray:a,createArray:n,copyArray:s}};e.exports=C}()},function(e,t,r){"use strict";r.r(t);var i=r(9),a=r(1),n=r(0),s=r(8);t.default=function(e){var t=new s.EventEmitter;t.trigger=function(e){for(var r=arguments.length,i=new Array(r>1?r-1:0),a=1;a<r;a++)i[a-1]=arguments[a];t.emit.apply(t,[e,e].concat(i))},t.off=function(e){for(var r=arguments.length,i=new Array(r>1?r-1:0),a=1;a<r;a++)i[a-1]=arguments[a];t.removeListener.apply(t,[e].concat(i))};var r=function(t,r){e.postMessage({event:t,data:r})};e.addEventListener("message",(function(a){var s=a.data;switch(s.cmd){case"init":var o=JSON.parse(s.config);e.demuxer=new i.a(t,s.typeSupported,o,s.vendor),Object(n.a)(o.debug),r("init",null);break;case"demux":e.demuxer.push(s.data,s.decryptdata,s.initSegment,s.audioCodec,s.videoCodec,s.timeOffset,s.discontinuity,s.trackSwitch,s.contiguous,s.duration,s.accurateTimeOffset,s.defaultInitPTS)}})),t.on(a.a.FRAG_DECRYPTED,r),t.on(a.a.FRAG_PARSING_INIT_SEGMENT,r),t.on(a.a.FRAG_PARSED,r),t.on(a.a.ERROR,r),t.on(a.a.FRAG_PARSING_METADATA,r),t.on(a.a.FRAG_PARSING_USERDATA,r),t.on(a.a.INIT_PTS_FOUND,r),t.on(a.a.FRAG_PARSING_DATA,(function(t,r){var i=[],a={event:t,data:r};r.data1&&(a.data1=r.data1.buffer,i.push(r.data1.buffer),delete r.data1),r.data2&&(a.data2=r.data2.buffer,i.push(r.data2.buffer),delete r.data2),e.postMessage(a,i)}))}},function(e,t,r){"use strict";r.r(t);var i={};r.r(i),r.d(i,"newCue",(function(){return mt}));var a,n,s=r(6),o=r(2),l=r(3),u=r(1),d=r(0),c={hlsEventGeneric:!0,hlsHandlerDestroying:!0,hlsHandlerDestroyed:!0},h=function(){function e(e){this.hls=void 0,this.handledEvents=void 0,this.useGenericHandler=void 0,this.hls=e,this.onEvent=this.onEvent.bind(this);for(var t=arguments.length,r=new Array(t>1?t-1:0),i=1;i<t;i++)r[i-1]=arguments[i];this.handledEvents=r,this.useGenericHandler=!0,this.registerListeners()}var t=e.prototype;return t.destroy=function(){this.onHandlerDestroying(),this.unregisterListeners(),this.onHandlerDestroyed()},t.onHandlerDestroying=function(){},t.onHandlerDestroyed=function(){},t.isEventHandler=function(){return"object"==typeof this.handledEvents&&this.handledEvents.length&&"function"==typeof this.onEvent},t.registerListeners=function(){this.isEventHandler()&&this.handledEvents.forEach((function(e){if(c[e])throw new Error("Forbidden event-name: "+e);this.hls.on(e,this.onEvent)}),this)},t.unregisterListeners=function(){this.isEventHandler()&&this.handledEvents.forEach((function(e){this.hls.off(e,this.onEvent)}),this)},t.onEvent=function(e,t){this.onEventGeneric(e,t)},t.onEventGeneric=function(e,t){try{(function(e,t){var r="on"+e.replace("hls","");if("function"!=typeof this[r])throw new Error("Event "+e+" has no generic handler in this "+this.constructor.name+" class (tried "+r+")");return this[r].bind(this,t)}).call(this,e,t).call()}catch(t){d.b.error("An internal error happened while handling event "+e+'. Error message: "'+t.message+'". Here is a stacktrace:',t),this.hls.trigger(u.a.ERROR,{type:o.b.OTHER_ERROR,details:o.a.INTERNAL_EXCEPTION,fatal:!1,event:e,err:t})}},e}();!function(e){e.MANIFEST="manifest",e.LEVEL="level",e.AUDIO_TRACK="audioTrack",e.SUBTITLE_TRACK="subtitleTrack"}(a||(a={})),function(e){e.MAIN="main",e.AUDIO="audio",e.SUBTITLE="subtitle"}(n||(n={}));var f=r(10);function g(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var p,v=function(){function e(e,t){this._uri=null,this.baseuri=void 0,this.reluri=void 0,this.method=null,this.key=null,this.iv=null,this.baseuri=e,this.reluri=t}var t,r,i;return t=e,(r=[{key:"uri",get:function(){return!this._uri&&this.reluri&&(this._uri=Object(s.buildAbsoluteURL)(this.baseuri,this.reluri,{alwaysNormalize:!0})),this._uri}}])&&g(t.prototype,r),i&&g(t,i),e}();function m(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}!function(e){e.AUDIO="audio",e.VIDEO="video"}(p||(p={}));var y=function(){function e(){var e;this._url=null,this._byteRange=null,this._decryptdata=null,this._elementaryStreams=((e={})[p.AUDIO]=!1,e[p.VIDEO]=!1,e),this.deltaPTS=0,this.rawProgramDateTime=null,this.programDateTime=null,this.title=null,this.tagList=[],this.cc=void 0,this.type=void 0,this.relurl=void 0,this.baseurl=void 0,this.duration=void 0,this.start=void 0,this.sn=0,this.urlId=0,this.level=0,this.levelkey=void 0,this.loader=void 0}var t,r,i,a=e.prototype;return a.setByteRange=function(e,t){var r=e.split("@",2),i=[];1===r.length?i[0]=t?t.byteRangeEndOffset:0:i[0]=parseInt(r[1]),i[1]=parseInt(r[0])+i[0],this._byteRange=i},a.addElementaryStream=function(e){this._elementaryStreams[e]=!0},a.hasElementaryStream=function(e){return!0===this._elementaryStreams[e]},a.createInitializationVector=function(e){for(var t=new Uint8Array(16),r=12;r<16;r++)t[r]=e>>8*(15-r)&255;return t},a.setDecryptDataFromLevelKey=function(e,t){var r=e;return e&&e.method&&e.uri&&!e.iv&&((r=new v(e.baseuri,e.reluri)).method=e.method,r.iv=this.createInitializationVector(t)),r},t=e,(r=[{key:"url",get:function(){return!this._url&&this.relurl&&(this._url=Object(s.buildAbsoluteURL)(this.baseurl,this.relurl,{alwaysNormalize:!0})),this._url},set:function(e){this._url=e}},{key:"byteRange",get:function(){return this._byteRange?this._byteRange:[]}},{key:"byteRangeStartOffset",get:function(){return this.byteRange[0]}},{key:"byteRangeEndOffset",get:function(){return this.byteRange[1]}},{key:"decryptdata",get:function(){if(!this.levelkey&&!this._decryptdata)return null;if(!this._decryptdata&&this.levelkey){var e=this.sn;"number"!=typeof e&&(this.levelkey&&"AES-128"===this.levelkey.method&&!this.levelkey.iv&&d.b.warn('missing IV for initialization segment with method="'+this.levelkey.method+'" - compliance 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0,this.hls.trigger(u.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t.frag,networkDetails:r})},a.loadprogress=function(e,t,r,i){void 0===i&&(i=null);var a=t.frag;a.loaded=e.loaded,this.hls.trigger(u.a.FRAG_LOAD_PROGRESS,{frag:a,stats:e,networkDetails:i})},i}(h);var F=r(12),U=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,u.a.KEY_LOADING)||this).loaders={},r.decryptkey=null,r.decrypturl=null,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){for(var t in this.loaders){var r=this.loaders[t];r&&r.destroy()}this.loaders={},e.prototype.destroy.call(this)},a.onKeyLoading=function(e){var t=e.frag,r=t.type,i=this.loaders[r];if(t.decryptdata){var a=t.decryptdata.uri;if(a!==this.decrypturl||null===this.decryptkey){var n=this.hls.config;if(i&&(d.b.warn("abort previous key loader for type:"+r),i.abort()),!a)return void d.b.warn("key uri is 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a=t.timeRanges[r];i.range[r]=t.getBufferedTimes(e.startPTS,e.endPTS,a)}})))},a.getBufferedTimes=function(e,t,r){for(var i,a,n=[],s=!1,o=0;o<r.length;o++){if(i=r.start(o)-this.bufferPadding,a=r.end(o)+this.bufferPadding,e>=i&&t<=a){n.push({startPTS:Math.max(e,r.start(o)),endPTS:Math.min(t,r.end(o))});break}if(e<a&&t>i)n.push({startPTS:Math.max(e,r.start(o)),endPTS:Math.min(t,r.end(o))}),s=!0;else if(t<=i)break}return{time:n,partial:s}},a.getFragmentKey=function(e){return e.type+"_"+e.level+"_"+e.urlId+"_"+e.sn},a.getPartialFragment=function(e){var t,r,i,a=this,n=null,s=0;return Object.keys(this.fragments).forEach((function(o){var l=a.fragments[o];a.isPartial(l)&&(r=l.body.startPTS-a.bufferPadding,i=l.body.endPTS+a.bufferPadding,e>=r&&e<=i&&(t=Math.min(e-r,i-e),s<=t&&(n=l.body,s=t)))})),n},a.getState=function(e){var t=this.getFragmentKey(e),r=this.fragments[t],i=N;return void 0!==r&&(i=r.buffered?!0===this.isPartial(r)?G:K:B),i},a.isPartial=function(e){return!0===e.buffered&&(void 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r=0,i=e.length-1,a=null,n=null;r<=i;){var s=t(n=e[a=(r+i)/2|0]);if(s>0)r=a+1;else{if(!(s<0))return n;i=a-1}}return null}},V=function(){function e(){}return e.isBuffered=function(e,t){try{if(e)for(var r=e.buffered,i=0;i<r.length;i++)if(t>=r.start(i)&&t<=r.end(i))return!0}catch(e){}return!1},e.bufferInfo=function(e,t,r){try{if(e){var i,a=e.buffered,n=[];for(i=0;i<a.length;i++)n.push({start:a.start(i),end:a.end(i)});return this.bufferedInfo(n,t,r)}}catch(e){}return{len:0,start:t,end:t,nextStart:void 0}},e.bufferedInfo=function(e,t,r){e.sort((function(e,t){var r=e.start-t.start;return r||t.end-e.end}));var i=[];if(r)for(var a=0;a<e.length;a++){var n=i.length;if(n){var s=i[n-1].end;e[a].start-s<r?e[a].end>s&&(i[n-1].end=e[a].end):i.push(e[a])}else i.push(e[a])}else i=e;for(var o,l=0,u=t,d=t,c=0;c<i.length;c++){var h=i[c].start,f=i[c].end;if(t+r>=h&&t<f)u=h,l=(d=f)-t;else if(t+r<h){o=h;break}}return{len:l,start:u,end:d,nextStart:o}},e}(),Y=r(8),W=r(11),q=r(9);function z(){return window.MediaSource||window.WebKitMediaSource}var X=r(5);var Q=function(e){var t,r;function i(){return e.apply(this,arguments)||this}return r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r,i.prototype.trigger=function(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),i=1;i<t;i++)r[i-1]=arguments[i];this.emit.apply(this,[e,e].concat(r))},i}(Y.EventEmitter),$=Object(X.a)(),J=z()||{isTypeSupported:function(){return!1}},Z=function(){function e(e,t){var r=this;this.hls=e,this.id=t;var i=this.observer=new Q,a=e.config,n=function(t,i){(i=i||{}).frag=r.frag,i.id=r.id,e.trigger(t,i)};i.on(u.a.FRAG_DECRYPTED,n),i.on(u.a.FRAG_PARSING_INIT_SEGMENT,n),i.on(u.a.FRAG_PARSING_DATA,n),i.on(u.a.FRAG_PARSED,n),i.on(u.a.ERROR,n),i.on(u.a.FRAG_PARSING_METADATA,n),i.on(u.a.FRAG_PARSING_USERDATA,n),i.on(u.a.INIT_PTS_FOUND,n);var s={mp4:J.isTypeSupported("video/mp4"),mpeg:J.isTypeSupported("audio/mpeg"),mp3:J.isTypeSupported('audio/mp4; 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r=this.observer;r&&(r.removeAllListeners(),this.observer=null)},t.push=function(e,t,r,i,a,n,s,o){var u=this.w,c=Object(l.a)(a.startPTS)?a.startPTS:a.start,h=a.decryptdata,f=this.frag,g=!(f&&a.cc===f.cc),p=!(f&&a.level===f.level),v=f&&a.sn===f.sn+1,m=!p&&v;if(g&&d.b.log(this.id+":discontinuity detected"),p&&d.b.log(this.id+":switch detected"),this.frag=a,u)u.postMessage({cmd:"demux",data:e,decryptdata:h,initSegment:t,audioCodec:r,videoCodec:i,timeOffset:c,discontinuity:g,trackSwitch:p,contiguous:m,duration:n,accurateTimeOffset:s,defaultInitPTS:o},e instanceof ArrayBuffer?[e]:[]);else{var y=this.demuxer;y&&y.push(e,h,t,r,i,c,g,p,m,n,s,o)}},t.onWorkerMessage=function(e){var t=e.data,r=this.hls;switch(t.event){case"init":$.URL.revokeObjectURL(this.w.objectURL);break;case u.a.FRAG_PARSING_DATA:t.data.data1=new Uint8Array(t.data1),t.data2&&(t.data.data2=new Uint8Array(t.data2));default:t.data=t.data||{},t.data.frag=this.frag,t.data.id=this.id,r.trigger(t.event,t.data)}},e}();function ee(e,t,r){switch(t){case"audio":e.audioGroupIds||(e.audioGroupIds=[]),e.audioGroupIds.push(r);break;case"text":e.textGroupIds||(e.textGroupIds=[]),e.textGroupIds.push(r)}}function te(e,t,r){var i=e[t],a=e[r],n=a.startPTS;Object(l.a)(n)?r>t?(i.duration=n-i.start,i.duration<0&&d.b.warn("negative duration computed for frag "+i.sn+",level "+i.level+", there should be some duration drift between playlist and fragment!")):(a.duration=i.start-n,a.duration<0&&d.b.warn("negative duration computed for frag "+a.sn+",level "+a.level+", there should be some duration drift between playlist and fragment!")):a.start=r>t?i.start+i.duration:Math.max(i.start-a.duration,0)}function re(e,t,r,i,a,n){var s=r;if(Object(l.a)(t.startPTS)){var o=Math.abs(t.startPTS-r);Object(l.a)(t.deltaPTS)?t.deltaPTS=Math.max(o,t.deltaPTS):t.deltaPTS=o,s=Math.max(r,t.startPTS),r=Math.min(r,t.startPTS),i=Math.max(i,t.endPTS),a=Math.min(a,t.startDTS),n=Math.max(n,t.endDTS)}var u=r-t.start;t.start=t.startPTS=r,t.maxStartPTS=s,t.endPTS=i,t.startDTS=a,t.endDTS=n,t.duration=i-r;var d,c,h,f=t.sn;if(!e||f<e.startSN||f>e.endSN)return 0;for(d=f-e.startSN,(c=e.fragments)[d]=t,h=d;h>0;h--)te(c,h,h-1);for(h=d;h<c.length-1;h++)te(c,h,h+1);return e.PTSKnown=!0,u}function ie(e,t){t.initSegment&&e.initSegment&&(t.initSegment=e.initSegment);var r,i=0;if(ae(e,t,(function(e,a){i=e.cc-a.cc,Object(l.a)(e.startPTS)&&(a.start=a.startPTS=e.startPTS,a.endPTS=e.endPTS,a.duration=e.duration,a.backtracked=e.backtracked,a.dropped=e.dropped,r=a),t.PTSKnown=!0})),t.PTSKnown){if(i){d.b.log("discontinuity sliding from playlist, take drift into account");for(var a=t.fragments,n=0;n<a.length;n++)a[n].cc+=i}r?re(t,r,r.startPTS,r.endPTS,r.startDTS,r.endDTS):function(e,t){var r=t.startSN-e.startSN,i=e.fragments,a=t.fragments;if(r<0||r>i.length)return;for(var n=0;n<a.length;n++)a[n].start+=i[r].start}(e,t),t.PTSKnown=e.PTSKnown}}function ae(e,t,r){if(e&&t)for(var i=Math.max(e.startSN,t.startSN)-t.startSN,a=Math.min(e.endSN,t.endSN)-t.startSN,n=t.startSN-e.startSN,s=i;s<=a;s++){var o=e.fragments[n+s],l=t.fragments[s];if(!o||!l)break;r(o,l,s)}}function ne(e,t,r){var i=1e3*(t.averagetargetduration?t.averagetargetduration:t.targetduration),a=i/2;return e&&t.endSN===e.endSN&&(i=a),r&&(i=Math.max(a,i-(window.performance.now()-r))),Math.round(i)}var se={toString:function(e){for(var t="",r=e.length,i=0;i<r;i++)t+="["+e.start(i).toFixed(3)+","+e.end(i).toFixed(3)+"]";return t}};function oe(e,t){t.fragments.forEach((function(t){if(t){var r=t.start+e;t.start=t.startPTS=r,t.endPTS=r+t.duration}})),t.PTSKnown=!0}function le(e,t,r){!function(e,t,r){if(function(e,t,r){var i=!1;return t&&t.details&&r&&(r.endCC>r.startCC||e&&e.cc<r.startCC)&&(i=!0),i}(e,r,t)){var i=function(e,t){var r=e.fragments,i=t.fragments;if(i.length&&r.length){var a=function(e,t){for(var r=null,i=0;i<e.length;i+=1){var a=e[i];if(a&&a.cc===t){r=a;break}}return r}(r,i[0].cc);if(a&&(!a||a.startPTS))return a;d.b.log("No frag in previous level to align on")}else d.b.log("No fragments to align")}(r.details,t);i&&(d.b.log("Adjusting PTS using last level due to CC increase within current level"),oe(i.start,t))}}(e,r,t),!r.PTSKnown&&t&&function(e,t){if(t&&t.fragments.length){if(!e.hasProgramDateTime||!t.hasProgramDateTime)return;var r=t.fragments[0].programDateTime,i=(e.fragments[0].programDateTime-r)/1e3+t.fragments[0].start;Object(l.a)(i)&&(d.b.log("adjusting PTS using programDateTime delta, sliding:"+i.toFixed(3)),oe(i,e))}}(r,t.details)}function ue(e,t,r){if(null===t||!Array.isArray(e)||!e.length||!Object(l.a)(t))return null;if(t<(e[0].programDateTime||0))return null;if(t>=(e[e.length-1].endProgramDateTime||0))return null;r=r||0;for(var i=0;i<e.length;++i){var a=e[i];if(he(t,r,a))return a}return null}function de(e,t,r,i){void 0===r&&(r=0),void 0===i&&(i=0);var a=e?t[e.sn-t[0].sn+1]:null;return a&&!ce(r,i,a)?a:H.search(t,ce.bind(null,r,i))}function ce(e,t,r){void 0===e&&(e=0),void 0===t&&(t=0);var i=Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return r.start+r.duration-i<=e?1:r.start-i>e&&r.start?-1:0}function he(e,t,r){var i=1e3*Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return(r.endProgramDateTime||0)-i>e}var fe=function(){function e(e,t,r,i){this.config=e,this.media=t,this.fragmentTracker=r,this.hls=i,this.nudgeRetry=0,this.stallReported=!1,this.stalled=null,this.moved=!1,this.seeking=!1}var t=e.prototype;return t.poll=function(e){var t=this.config,r=this.media,i=this.stalled,a=r.currentTime,n=r.seeking,s=this.seeking&&!n,o=!this.seeking&&n;if(this.seeking=n,a===e){if((o||s)&&(this.stalled=null),!r.paused&&!r.ended&&0!==r.playbackRate&&r.buffered.length){var l=V.bufferInfo(r,a,0),u=l.len>0,c=l.nextStart||0;if(u||c){if(n){if(l.len>2||(!c||c-a>2))return;this.moved=!1}if(!this.moved&&this.stalled){var h=Math.max(c,l.start||0)-a;if(h>0&&h<=2)return void this._trySkipBufferHole(null)}var f=self.performance.now();if(null!==i){var g=f-i;!n&&g>=250&&this._reportStall(l.len);var p=V.bufferInfo(r,a,t.maxBufferHole);this._tryFixBufferStall(p,g)}else this.stalled=f}}}else if(this.moved=!0,null!==i){if(this.stallReported){var v=self.performance.now()-i;d.b.warn("playback not stuck anymore @"+a+", after "+Math.round(v)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}},t._tryFixBufferStall=function(e,t){var r=this.config,i=this.fragmentTracker,a=this.media.currentTime,n=i.getPartialFragment(a);if(n&&this._trySkipBufferHole(n))return;e.len>r.maxBufferHole&&t>1e3*r.highBufferWatchdogPeriod&&(d.b.warn("Trying to nudge playhead over buffer-hole"),this.stalled=null,this._tryNudgeBuffer())},t._reportStall=function(e){var t=this.hls,r=this.media;this.stallReported||(this.stallReported=!0,d.b.warn("Playback stalling at @"+r.currentTime+" due to low buffer"),t.trigger(u.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:e}))},t._trySkipBufferHole=function(e){for(var t=this.config,r=this.hls,i=this.media,a=i.currentTime,n=0,s=0;s<i.buffered.length;s++){var l=i.buffered.start(s);if(a+t.maxBufferHole>=n&&a<l){var c=Math.max(l+.05,i.currentTime+.1);return d.b.warn("skipping hole, adjusting currentTime from "+a+" to "+c),this.moved=!0,this.stalled=null,i.currentTime=c,e&&r.trigger(u.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_SEEK_OVER_HOLE,fatal:!1,reason:"fragment loaded with buffer holes, seeking from "+a+" to "+c,frag:e}),c}n=i.buffered.end(s)}return 0},t._tryNudgeBuffer=function(){var e=this.config,t=this.hls,r=this.media,i=r.currentTime,a=(this.nudgeRetry||0)+1;if(this.nudgeRetry=a,a<e.nudgeMaxRetry){var n=i+a*e.nudgeOffset;d.b.warn("Nudging 'currentTime' from "+i+" to "+n),r.currentTime=n,t.trigger(u.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_NUDGE_ON_STALL,fatal:!1})}else d.b.error("Playhead still not moving while enough data buffered @"+i+" after "+e.nudgeMaxRetry+" nudges"),t.trigger(u.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_STALLED_ERROR,fatal:!0})},e}();function ge(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}var pe=function(e){var t,r;function i(t){for(var r,i=arguments.length,a=new Array(i>1?i-1:0),n=1;n<i;n++)a[n-1]=arguments[n];return(r=e.call.apply(e,[this,t].concat(a))||this)._boundTick=void 0,r._tickTimer=null,r._tickInterval=null,r._tickCallCount=0,r._boundTick=r.tick.bind(ge(r)),r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.onHandlerDestroying=function(){this.clearNextTick(),this.clearInterval()},a.hasInterval=function(){return!!this._tickInterval},a.hasNextTick=function(){return!!this._tickTimer},a.setInterval=function(e){return!this._tickInterval&&(this._tickInterval=self.setInterval(this._boundTick,e),!0)},a.clearInterval=function(){return!!this._tickInterval&&(self.clearInterval(this._tickInterval),this._tickInterval=null,!0)},a.clearNextTick=function(){return!!this._tickTimer&&(self.clearTimeout(this._tickTimer),this._tickTimer=null,!0)},a.tick=function(){this._tickCallCount++,1===this._tickCallCount&&(this.doTick(),this._tickCallCount>1&&(this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)),this._tickCallCount=0)},a.doTick=function(){},i}(h);var ve="STOPPED",me="STARTING",ye="IDLE",be="PAUSED",Te="KEY_LOADING",Ee="FRAG_LOADING",Se="FRAG_LOADING_WAITING_RETRY",_e="WAITING_TRACK",Ae="PARSING",Re="PARSED",we="BUFFER_FLUSHING",ke="ENDED",Le="ERROR",De="WAITING_INIT_PTS",Ce="WAITING_LEVEL",Ie=function(e){var t,r;function i(){return e.apply(this,arguments)||this}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.doTick=function(){},a.startLoad=function(){},a.stopLoad=function(){var e=this.fragCurrent;e&&(e.loader&&e.loader.abort(),this.fragmentTracker.removeFragment(e)),this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.fragCurrent=null,this.fragPrevious=null,this.clearInterval(),this.clearNextTick(),this.state=ve},a._streamEnded=function(e,t){var r=this.fragCurrent,i=this.fragmentTracker;if(!t.live&&r&&!r.backtracked&&r.sn===t.endSN&&!e.nextStart){var a=i.getState(r);return a===G||a===K}return!1},a.onMediaSeeking=function(){var e=this.config,t=this.media,r=this.mediaBuffer,i=this.state,a=t?t.currentTime:null,n=V.bufferInfo(r||t,a,this.config.maxBufferHole);if(Object(l.a)(a)&&d.b.log("media seeking to "+a.toFixed(3)),i===Ee){var s=this.fragCurrent;if(0===n.len&&s){var o=e.maxFragLookUpTolerance,u=s.start-o,c=s.start+s.duration+o;a<u||a>c?(s.loader&&(d.b.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),s.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.state=ye):d.b.log("seeking outside of buffer but within currently loaded fragment range")}}else i===ke&&(0===n.len&&(this.fragPrevious=null,this.fragCurrent=null),this.state=ye);t&&(this.lastCurrentTime=a),this.loadedmetadata||(this.nextLoadPosition=this.startPosition=a),this.tick()},a.onMediaEnded=function(){this.startPosition=this.lastCurrentTime=0},a.onHandlerDestroying=function(){this.stopLoad(),e.prototype.onHandlerDestroying.call(this)},a.onHandlerDestroyed=function(){this.state=ve,this.fragmentTracker=null},a.computeLivePosition=function(e,t){var r=void 0!==this.config.liveSyncDuration?this.config.liveSyncDuration:this.config.liveSyncDurationCount*t.targetduration;return e+Math.max(0,t.totalduration-r)},i}(pe);function Oe(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var xe=function(e){var t,r;function i(t,r){var i;return(i=e.call(this,t,u.a.MEDIA_ATTACHED,u.a.MEDIA_DETACHING,u.a.MANIFEST_LOADING,u.a.MANIFEST_PARSED,u.a.LEVEL_LOADED,u.a.KEY_LOADED,u.a.FRAG_LOADED,u.a.FRAG_LOAD_EMERGENCY_ABORTED,u.a.FRAG_PARSING_INIT_SEGMENT,u.a.FRAG_PARSING_DATA,u.a.FRAG_PARSED,u.a.ERROR,u.a.AUDIO_TRACK_SWITCHING,u.a.AUDIO_TRACK_SWITCHED,u.a.BUFFER_CREATED,u.a.BUFFER_APPENDED,u.a.BUFFER_FLUSHED)||this).fragmentTracker=r,i.config=t.config,i.audioCodecSwap=!1,i._state=ve,i.stallReported=!1,i.gapController=null,i.altAudio=!1,i}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,s,c,h=i.prototype;return h.startLoad=function(e){if(this.levels){var t=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}t>0&&-1===e&&(d.b.log("override startPosition with lastCurrentTime @"+t.toFixed(3)),e=t),this.state=ye,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=e,this.tick()}else this.forceStartLoad=!0,this.state=ve},h.stopLoad=function(){this.forceStartLoad=!1,e.prototype.stopLoad.call(this)},h.doTick=function(){switch(this.state){case we:this.fragLoadError=0;break;case ye:this._doTickIdle();break;case Ce:var e=this.levels[this.level];e&&e.details&&(this.state=ye);break;case Se:var t=window.performance.now(),r=this.retryDate;(!r||t>=r||this.media&&this.media.seeking)&&(d.b.log("mediaController: retryDate reached, switch back to IDLE state"),this.state=ye)}this._checkBuffer(),this._checkFragmentChanged()},h._doTickIdle=function(){var e=this.hls,t=e.config,r=this.media;if(void 0!==this.levelLastLoaded&&(r||!this.startFragRequested&&t.startFragPrefetch)){var i;i=this.loadedmetadata?r.currentTime:this.nextLoadPosition;var a=e.nextLoadLevel,n=this.levels[a];if(n){var s,o=n.bitrate;s=o?Math.max(8*t.maxBufferSize/o,t.maxBufferLength):t.maxBufferLength,s=Math.min(s,t.maxMaxBufferLength);var l=V.bufferInfo(this.mediaBuffer?this.mediaBuffer:r,i,t.maxBufferHole),c=l.len;if(!(c>=s)){d.b.trace("buffer length of "+c.toFixed(3)+" is below max of "+s.toFixed(3)+". checking for more payload ..."),this.level=e.nextLoadLevel=a;var h=n.details;if(!h||h.live&&this.levelLastLoaded!==a)this.state=Ce;else{if(this._streamEnded(l,h)){var f={};return this.altAudio&&(f.type="video"),this.hls.trigger(u.a.BUFFER_EOS,f),void(this.state=ke)}this._fetchPayloadOrEos(i,l,h)}}}}},h._fetchPayloadOrEos=function(e,t,r){var i=this.fragPrevious,a=this.level,n=r.fragments,s=n.length;if(0!==s){var o,l=n[0].start,u=n[s-1].start+n[s-1].duration,c=t.end;if(r.initSegment&&!r.initSegment.data)o=r.initSegment;else if(r.live){var h=this.config.initialLiveManifestSize;if(s<h)return void d.b.warn("Can not start playback of a level, reason: not enough fragments "+s+" < "+h);if(null===(o=this._ensureFragmentAtLivePoint(r,c,l,u,i,n,s)))return}else c<l&&(o=n[0]);o||(o=this._findFragment(l,i,s,n,c,u,r)),o&&(o.encrypted?(d.b.log("Loading key for "+o.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+a),this._loadKey(o)):(d.b.log("Loading "+o.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+a+", currentTime:"+e.toFixed(3)+",bufferEnd:"+c.toFixed(3)),this._loadFragment(o)))}},h._ensureFragmentAtLivePoint=function(e,t,r,i,a,n,s){var o,l=this.hls.config,u=this.media,c=void 0!==l.liveMaxLatencyDuration?l.liveMaxLatencyDuration:l.liveMaxLatencyDurationCount*e.targetduration;if(t<Math.max(r-l.maxFragLookUpTolerance,i-c)){var h=this.liveSyncPosition=this.computeLivePosition(r,e);t=h,u&&!u.paused&&u.readyState&&u.duration>h&&h>u.currentTime&&(d.b.log("buffer end: "+t.toFixed(3)+" is located too far from the end of live sliding playlist, reset currentTime to : "+h.toFixed(3)),u.currentTime=h),this.nextLoadPosition=h}if(e.PTSKnown&&t>i&&u&&u.readyState)return null;if(this.startFragRequested&&!e.PTSKnown){if(a)if(e.hasProgramDateTime)d.b.log("live playlist, switching playlist, load frag with same PDT: "+a.programDateTime),o=ue(n,a.endProgramDateTime,l.maxFragLookUpTolerance);else{var f=a.sn+1;if(f>=e.startSN&&f<=e.endSN){var g=n[f-e.startSN];a.cc===g.cc&&(o=g,d.b.log("live playlist, switching playlist, load frag with next SN: "+o.sn))}o||(o=H.search(n,(function(e){return a.cc-e.cc})))&&d.b.log("live playlist, switching playlist, load frag with same CC: "+o.sn)}o||(o=n[Math.min(s-1,Math.round(s/2))],d.b.log("live playlist, switching playlist, unknown, load middle frag : "+o.sn))}return o},h._findFragment=function(e,t,r,i,a,n,s){var o,l=this.hls.config;a<n?o=de(t,i,a,a>n-l.maxFragLookUpTolerance?0:l.maxFragLookUpTolerance):o=i[r-1];if(o){var u=o.sn-s.startSN,c=t&&o.level===t.level,h=i[u-1],f=i[u+1];if(t&&o.sn===t.sn)if(c&&!o.backtracked)if(o.sn<s.endSN){var g=t.deltaPTS;g&&g>l.maxBufferHole&&t.dropped&&u?(o=h,d.b.warn("Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this")):(o=f,d.b.log("Re-loading fragment with SN: "+o.sn))}else o=null;else o.backtracked&&(f&&f.backtracked?(d.b.warn("Already backtracked from fragment "+f.sn+", will not backtrack to fragment "+o.sn+". Loading fragment "+f.sn),o=f):(d.b.warn("Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe"),o.dropped=0,h?(o=h).backtracked=!0:u&&(o=null)))}return o},h._loadKey=function(e){this.state=Te,this.hls.trigger(u.a.KEY_LOADING,{frag:e})},h._loadFragment=function(e){var t=this.fragmentTracker.getState(e);this.fragCurrent=e,"initSegment"!==e.sn&&(this.startFragRequested=!0),Object(l.a)(e.sn)&&!e.bitrateTest&&(this.nextLoadPosition=e.start+e.duration),e.backtracked||t===N||t===G?(e.autoLevel=this.hls.autoLevelEnabled,e.bitrateTest=this.bitrateTest,this.hls.trigger(u.a.FRAG_LOADING,{frag:e}),this.demuxer||(this.demuxer=new Z(this.hls,"main")),this.state=Ee):t===B&&this._reduceMaxBufferLength(e.duration)&&this.fragmentTracker.removeFragment(e)},h.getBufferedFrag=function(e){return this.fragmentTracker.getBufferedFrag(e,n.MAIN)},h.followingBufferedFrag=function(e){return e?this.getBufferedFrag(e.endPTS+.5):null},h._checkFragmentChanged=function(){var e,t,r=this.media;if(r&&r.readyState&&!1===r.seeking&&((t=r.currentTime)>this.lastCurrentTime&&(this.lastCurrentTime=t),V.isBuffered(r,t)?e=this.getBufferedFrag(t):V.isBuffered(r,t+.1)&&(e=this.getBufferedFrag(t+.1)),e)){var i=e;if(i!==this.fragPlaying){this.hls.trigger(u.a.FRAG_CHANGED,{frag:i});var a=i.level;this.fragPlaying&&this.fragPlaying.level===a||this.hls.trigger(u.a.LEVEL_SWITCHED,{level:a}),this.fragPlaying=i}}},h.immediateLevelSwitch=function(){if(d.b.log("immediateLevelSwitch"),!this.immediateSwitch){this.immediateSwitch=!0;var e,t=this.media;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)},h.immediateLevelSwitchEnd=function(){var e=this.media;e&&e.buffered.length&&(this.immediateSwitch=!1,V.isBuffered(e,e.currentTime)&&(e.currentTime-=1e-4),this.previouslyPaused||e.play())},h.nextLevelSwitch=function(){var e=this.media;if(e&&e.readyState){var t,r,i;if((r=this.getBufferedFrag(e.currentTime))&&r.startPTS>1&&this.flushMainBuffer(0,r.startPTS-1),e.paused)t=0;else{var a=this.hls.nextLoadLevel,n=this.levels[a],s=this.fragLastKbps;t=s&&this.fragCurrent?this.fragCurrent.duration*n.bitrate/(1e3*s)+1:0}if((i=this.getBufferedFrag(e.currentTime+t))&&(i=this.followingBufferedFrag(i))){var o=this.fragCurrent;o&&o.loader&&o.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(i.maxStartPTS,Number.POSITIVE_INFINITY)}}},h.flushMainBuffer=function(e,t){this.state=we;var r={startOffset:e,endOffset:t};this.altAudio&&(r.type="video"),this.hls.trigger(u.a.BUFFER_FLUSHING,r)},h.onMediaAttached=function(e){var t=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),this.onvended=this.onMediaEnded.bind(this),t.addEventListener("seeking",this.onvseeking),t.addEventListener("seeked",this.onvseeked),t.addEventListener("ended",this.onvended);var r=this.config;this.levels&&r.autoStartLoad&&this.hls.startLoad(r.startPosition),this.gapController=new fe(r,t,this.fragmentTracker,this.hls)},h.onMediaDetaching=function(){var e=this.media;e&&e.ended&&(d.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var t=this.levels;t&&t.forEach((function(e){e.details&&e.details.fragments.forEach((function(e){e.backtracked=void 0}))})),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("seeked",this.onvseeked),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.fragmentTracker.removeAllFragments(),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.stopLoad()},h.onMediaSeeked=function(){var e=this.media,t=e?e.currentTime:void 0;Object(l.a)(t)&&d.b.log("media seeked to "+t.toFixed(3)),this.tick()},h.onManifestLoading=function(){d.b.log("trigger BUFFER_RESET"),this.hls.trigger(u.a.BUFFER_RESET),this.fragmentTracker.removeAllFragments(),this.stalled=!1,this.startPosition=this.lastCurrentTime=0},h.onManifestParsed=function(e){var t,r=!1,i=!1;e.levels.forEach((function(e){(t=e.audioCodec)&&(-1!==t.indexOf("mp4a.40.2")&&(r=!0),-1!==t.indexOf("mp4a.40.5")&&(i=!0))})),this.audioCodecSwitch=r&&i,this.audioCodecSwitch&&d.b.log("both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.altAudio=e.altAudio,this.levels=e.levels,this.startFragRequested=!1;var a=this.config;(a.autoStartLoad||this.forceStartLoad)&&this.hls.startLoad(a.startPosition)},h.onLevelLoaded=function(e){var t=e.details,r=e.level,i=this.levels[this.levelLastLoaded],a=this.levels[r],n=t.totalduration,s=0;if(d.b.log("level "+r+" loaded ["+t.startSN+","+t.endSN+"],duration:"+n),t.live){var o=a.details;o&&t.fragments.length>0?(ie(o,t),s=t.fragments[0].start,this.liveSyncPosition=this.computeLivePosition(s,o),t.PTSKnown&&Object(l.a)(s)?d.b.log("live playlist sliding:"+s.toFixed(3)):(d.b.log("live playlist - outdated PTS, unknown sliding"),le(this.fragPrevious,i,t))):(d.b.log("live playlist - first load, unknown sliding"),t.PTSKnown=!1,le(this.fragPrevious,i,t))}else t.PTSKnown=!1;if(a.details=t,this.levelLastLoaded=r,this.hls.trigger(u.a.LEVEL_UPDATED,{details:t,level:r}),!1===this.startFragRequested){if(-1===this.startPosition||-1===this.lastCurrentTime){var c=t.startTimeOffset;Object(l.a)(c)?(c<0&&(d.b.log("negative start time offset "+c+", count from end of last fragment"),c=s+n+c),d.b.log("start time offset found in playlist, adjust startPosition to "+c),this.startPosition=c):t.live?(this.startPosition=this.computeLivePosition(s,t),d.b.log("configure startPosition to "+this.startPosition)):this.startPosition=0,this.lastCurrentTime=this.startPosition}this.nextLoadPosition=this.startPosition}this.state===Ce&&(this.state=ye),this.tick()},h.onKeyLoaded=function(){this.state===Te&&(this.state=ye,this.tick())},h.onFragLoaded=function(e){var t=this.fragCurrent,r=this.hls,i=this.levels,a=this.media,n=e.frag;if(this.state===Ee&&t&&"main"===n.type&&n.level===t.level&&n.sn===t.sn){var s=e.stats,o=i[t.level],l=o.details;if(this.bitrateTest=!1,this.stats=s,d.b.log("Loaded "+t.sn+" of ["+l.startSN+" ,"+l.endSN+"],level "+t.level),n.bitrateTest&&r.nextLoadLevel)this.state=ye,this.startFragRequested=!1,s.tparsed=s.tbuffered=window.performance.now(),r.trigger(u.a.FRAG_BUFFERED,{stats:s,frag:t,id:"main"}),this.tick();else if("initSegment"===n.sn)this.state=ye,s.tparsed=s.tbuffered=window.performance.now(),l.initSegment.data=e.payload,r.trigger(u.a.FRAG_BUFFERED,{stats:s,frag:t,id:"main"}),this.tick();else{d.b.log("Parsing "+t.sn+" of ["+l.startSN+" ,"+l.endSN+"],level "+t.level+", cc "+t.cc),this.state=Ae,this.pendingBuffering=!0,this.appended=!1,n.bitrateTest&&(n.bitrateTest=!1,this.fragmentTracker.onFragLoaded({frag:n}));var c=!(a&&a.seeking)&&(l.PTSKnown||!l.live),h=l.initSegment?l.initSegment.data:[],f=this._getAudioCodec(o);(this.demuxer=this.demuxer||new Z(this.hls,"main")).push(e.payload,h,f,o.videoCodec,t,l.totalduration,c)}}this.fragLoadError=0},h.onFragParsingInitSegment=function(e){var t=this.fragCurrent,r=e.frag;if(t&&"main"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===Ae){var i,a,n=e.tracks;if(n.audio&&this.altAudio&&delete n.audio,a=n.audio){var s=this.levels[this.level].audioCodec,o=navigator.userAgent.toLowerCase();s&&this.audioCodecSwap&&(d.b.log("swapping playlist audio codec"),s=-1!==s.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch&&1!==a.metadata.channelCount&&-1===o.indexOf("firefox")&&(s="mp4a.40.5"),-1!==o.indexOf("android")&&"audio/mpeg"!==a.container&&(s="mp4a.40.2",d.b.log("Android: force audio codec to "+s)),a.levelCodec=s,a.id=e.id}for(i in(a=n.video)&&(a.levelCodec=this.levels[this.level].videoCodec,a.id=e.id),this.hls.trigger(u.a.BUFFER_CODECS,n),n){a=n[i],d.b.log("main track:"+i+",container:"+a.container+",codecs[level/parsed]=["+a.levelCodec+"/"+a.codec+"]");var l=a.initSegment;l&&(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(u.a.BUFFER_APPENDING,{type:i,data:l,parent:"main",content:"initSegment"}))}this.tick()}},h.onFragParsingData=function(e){var t=this,r=this.fragCurrent,i=e.frag;if(r&&"main"===e.id&&i.sn===r.sn&&i.level===r.level&&("audio"!==e.type||!this.altAudio)&&this.state===Ae){var a=this.levels[this.level],n=r;if(Object(l.a)(e.endPTS)||(e.endPTS=e.startPTS+r.duration,e.endDTS=e.startDTS+r.duration),!0===e.hasAudio&&n.addElementaryStream(p.AUDIO),!0===e.hasVideo&&n.addElementaryStream(p.VIDEO),d.b.log("Parsed "+e.type+",PTS:["+e.startPTS.toFixed(3)+","+e.endPTS.toFixed(3)+"],DTS:["+e.startDTS.toFixed(3)+"/"+e.endDTS.toFixed(3)+"],nb:"+e.nb+",dropped:"+(e.dropped||0)),"video"===e.type)if(n.dropped=e.dropped,n.dropped)if(n.backtracked)d.b.warn("Already backtracked on this fragment, appending with the gap",n.sn);else{var s=a.details;if(!s||n.sn!==s.startSN)return d.b.warn("missing video frame(s), backtracking fragment",n.sn),this.fragmentTracker.removeFragment(n),n.backtracked=!0,this.nextLoadPosition=e.startPTS,this.state=ye,this.fragPrevious=n,void this.tick();d.b.warn("missing video frame(s) on first frag, appending with gap",n.sn)}else n.backtracked=!1;var o=re(a.details,n,e.startPTS,e.endPTS,e.startDTS,e.endDTS),c=this.hls;c.trigger(u.a.LEVEL_PTS_UPDATED,{details:a.details,level:this.level,drift:o,type:e.type,start:e.startPTS,end:e.endPTS}),[e.data1,e.data2].forEach((function(r){r&&r.length&&t.state===Ae&&(t.appended=!0,t.pendingBuffering=!0,c.trigger(u.a.BUFFER_APPENDING,{type:e.type,data:r,parent:"main",content:"data"}))})),this.tick()}},h.onFragParsed=function(e){var t=this.fragCurrent,r=e.frag;t&&"main"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===Ae&&(this.stats.tparsed=window.performance.now(),this.state=Re,this._checkAppendedParsed())},h.onAudioTrackSwitching=function(e){var t=!!e.url,r=e.id;if(!t){if(this.mediaBuffer!==this.media){d.b.log("switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var i=this.fragCurrent;i.loader&&(d.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=ye}var a=this.hls;a.trigger(u.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),a.trigger(u.a.AUDIO_TRACK_SWITCHED,{id:r}),this.altAudio=!1}},h.onAudioTrackSwitched=function(e){var t=e.id,r=!!this.hls.audioTracks[t].url;if(r){var i=this.videoBuffer;i&&this.mediaBuffer!==i&&(d.b.log("switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=i)}this.altAudio=r,this.tick()},h.onBufferCreated=function(e){var t,r,i=e.tracks,a=!1;for(var n in i){var s=i[n];"main"===s.id?(r=n,t=s,"video"===n&&(this.videoBuffer=i[n].buffer)):a=!0}a&&t?(d.b.log("alternate track found, use "+r+".buffered to schedule main fragment loading"),this.mediaBuffer=t.buffer):this.mediaBuffer=this.media},h.onBufferAppended=function(e){if("main"===e.parent){var t=this.state;t!==Ae&&t!==Re||(this.pendingBuffering=e.pending>0,this._checkAppendedParsed())}},h._checkAppendedParsed=function(){if(!(this.state!==Re||this.appended&&this.pendingBuffering)){var e=this.fragCurrent;if(e){var t=this.mediaBuffer?this.mediaBuffer:this.media;d.b.log("main buffered : "+se.toString(t.buffered)),this.fragPrevious=e;var r=this.stats;r.tbuffered=window.performance.now(),this.fragLastKbps=Math.round(8*r.total/(r.tbuffered-r.tfirst)),this.hls.trigger(u.a.FRAG_BUFFERED,{stats:r,frag:e,id:"main"}),this.state=ye}this.tick()}},h.onError=function(e){var t=e.frag||this.fragCurrent;if(!t||"main"===t.type){var r=!!this.media&&V.isBuffered(this.media,this.media.currentTime)&&V.isBuffered(this.media,this.media.currentTime+.5);switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:case o.a.KEY_LOAD_ERROR:case o.a.KEY_LOAD_TIMEOUT:if(!e.fatal)if(this.fragLoadError+1<=this.config.fragLoadingMaxRetry){var i=Math.min(Math.pow(2,this.fragLoadError)*this.config.fragLoadingRetryDelay,this.config.fragLoadingMaxRetryTimeout);d.b.warn("mediaController: frag loading failed, retry in "+i+" ms"),this.retryDate=window.performance.now()+i,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.fragLoadError++,this.state=Se}else d.b.error("mediaController: "+e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.state=Le;break;case o.a.LEVEL_LOAD_ERROR:case o.a.LEVEL_LOAD_TIMEOUT:this.state!==Le&&(e.fatal?(this.state=Le,d.b.warn("streamController: "+e.details+",switch to "+this.state+" state ...")):e.levelRetry||this.state!==Ce||(this.state=ye));break;case o.a.BUFFER_FULL_ERROR:"main"!==e.parent||this.state!==Ae&&this.state!==Re||(r?(this._reduceMaxBufferLength(this.config.maxBufferLength),this.state=ye):(d.b.warn("buffer full error also media.currentTime is not buffered, flush everything"),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)))}}},h._reduceMaxBufferLength=function(e){var t=this.config;return t.maxMaxBufferLength>=e&&(t.maxMaxBufferLength/=2,d.b.warn("main:reduce max buffer length to "+t.maxMaxBufferLength+"s"),!0)},h._checkBuffer=function(){var e=this.media;if(e&&0!==e.readyState){var t=(this.mediaBuffer?this.mediaBuffer:e).buffered;!this.loadedmetadata&&t.length?(this.loadedmetadata=!0,this._seekToStartPos()):this.immediateSwitch?this.immediateLevelSwitchEnd():this.gapController.poll(this.lastCurrentTime,t)}},h.onFragLoadEmergencyAborted=function(){this.state=ye,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tick()},h.onBufferFlushed=function(){var e=this.mediaBuffer?this.mediaBuffer:this.media;e&&this.fragmentTracker.detectEvictedFragments(p.VIDEO,e.buffered),this.state=ye,this.fragPrevious=null},h.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},h._seekToStartPos=function(){var e=this.media,t=e.currentTime,r=e.seeking?t:this.startPosition;t!==r&&r>=0&&(d.b.log("target start position not buffered, seek to buffered.start(0) "+r+" from current time "+t+" "),e.currentTime=r)},h._getAudioCodec=function(e){var t=this.config.defaultAudioCodec||e.audioCodec;return this.audioCodecSwap&&(d.b.log("swapping playlist audio codec"),t&&(t=-1!==t.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),t},a=i,(s=[{key:"state",set:function(e){if(this.state!==e){var t=this.state;this._state=e,d.b.log("main stream-controller: "+t+"->"+e),this.hls.trigger(u.a.STREAM_STATE_TRANSITION,{previousState:t,nextState:e})}},get:function(){return this._state}},{key:"currentLevel",get:function(){var e=this.media;if(e){var t=this.getBufferedFrag(e.currentTime);if(t)return t.level}return-1}},{key:"nextBufferedFrag",get:function(){var e=this.media;return e?this.followingBufferedFrag(this.getBufferedFrag(e.currentTime)):null}},{key:"nextLevel",get:function(){var e=this.nextBufferedFrag;return e?e.level:-1}},{key:"liveSyncPosition",get:function(){return this._liveSyncPosition},set:function(e){this._liveSyncPosition=e}}])&&Oe(a.prototype,s),c&&Oe(a,c),i}(Ie);function Pe(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}window.performance;var Me,Fe=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,u.a.MANIFEST_LOADED,u.a.LEVEL_LOADED,u.a.AUDIO_TRACK_SWITCHED,u.a.FRAG_LOADED,u.a.ERROR)||this).canload=!1,r.currentLevelIndex=null,r.manualLevelIndex=-1,r.timer=null,Me=/chrome|firefox/.test(navigator.userAgent.toLowerCase()),r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,l=i.prototype;return l.onHandlerDestroying=function(){this.clearTimer(),this.manualLevelIndex=-1},l.clearTimer=function(){null!==this.timer&&(clearTimeout(this.timer),this.timer=null)},l.startLoad=function(){var e=this._levels;this.canload=!0,this.levelRetryCount=0,e&&e.forEach((function(e){e.loadError=0;var t=e.details;t&&t.live&&(e.details=void 0)})),null!==this.timer&&this.loadLevel()},l.stopLoad=function(){this.canload=!1},l.onManifestLoaded=function(e){var t,r=[],i=[],a={},n=null,s=!1,l=!1;if(e.levels.forEach((function(e){var t=e.attrs;e.loadError=0,e.fragmentError=!1,s=s||!!e.videoCodec,l=l||!!e.audioCodec,Me&&e.audioCodec&&-1!==e.audioCodec.indexOf("mp4a.40.34")&&(e.audioCodec=void 0),(n=a[e.bitrate])?n.url.push(e.url):(e.url=[e.url],e.urlId=0,a[e.bitrate]=e,r.push(e)),t&&(t.AUDIO&&(l=!0,ee(n||e,"audio",t.AUDIO)),t.SUBTITLES&&ee(n||e,"text",t.SUBTITLES))})),s&&l&&(r=r.filter((function(e){return!!e.videoCodec}))),r=r.filter((function(e){var t=e.audioCodec,r=e.videoCodec;return(!t||R(t,"audio"))&&(!r||R(r,"video"))})),e.audioTracks&&(i=e.audioTracks.filter((function(e){return!e.audioCodec||R(e.audioCodec,"audio")}))).forEach((function(e,t){e.id=t})),r.length>0){t=r[0].bitrate,r.sort((function(e,t){return e.bitrate-t.bitrate})),this._levels=r;for(var c=0;c<r.length;c++)if(r[c].bitrate===t){this._firstLevel=c,d.b.log("manifest loaded,"+r.length+" level(s) found, first bitrate:"+t);break}this.hls.trigger(u.a.MANIFEST_PARSED,{levels:r,audioTracks:i,firstLevel:this._firstLevel,stats:e.stats,audio:l,video:s,altAudio:i.some((function(e){return!!e.url}))})}else this.hls.trigger(u.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:this.hls.url,reason:"no level with compatible codecs found in manifest"})},l.setLevelInternal=function(e){var t=this._levels,r=this.hls;if(e>=0&&e<t.length){if(this.clearTimer(),this.currentLevelIndex!==e){d.b.log("switching to level "+e),this.currentLevelIndex=e;var i=t[e];i.level=e,r.trigger(u.a.LEVEL_SWITCHING,i)}var a=t[e],n=a.details;if(!n||n.live){var s=a.urlId;r.trigger(u.a.LEVEL_LOADING,{url:a.url[s],level:e,id:s})}}else r.trigger(u.a.ERROR,{type:o.b.OTHER_ERROR,details:o.a.LEVEL_SWITCH_ERROR,level:e,fatal:!1,reason:"invalid level idx"})},l.onError=function(e){if(e.fatal)e.type===o.b.NETWORK_ERROR&&this.clearTimer();else{var t,r=!1,i=!1;switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:case o.a.KEY_LOAD_ERROR:case o.a.KEY_LOAD_TIMEOUT:t=e.frag.level,i=!0;break;case o.a.LEVEL_LOAD_ERROR:case o.a.LEVEL_LOAD_TIMEOUT:t=e.context.level,r=!0;break;case o.a.REMUX_ALLOC_ERROR:t=e.level,r=!0}void 0!==t&&this.recoverLevel(e,t,r,i)}},l.recoverLevel=function(e,t,r,i){var a,n,s,o=this,l=this.hls.config,u=e.details,c=this._levels[t];if(c.loadError++,c.fragmentError=i,r){if(!(this.levelRetryCount+1<=l.levelLoadingMaxRetry))return d.b.error("level controller, cannot recover from "+u+" error"),this.currentLevelIndex=null,this.clearTimer(),void(e.fatal=!0);n=Math.min(Math.pow(2,this.levelRetryCount)*l.levelLoadingRetryDelay,l.levelLoadingMaxRetryTimeout),this.timer=setTimeout((function(){return o.loadLevel()}),n),e.levelRetry=!0,this.levelRetryCount++,d.b.warn("level controller, "+u+", retry in "+n+" ms, current retry count is "+this.levelRetryCount)}(r||i)&&((a=c.url.length)>1&&c.loadError<a?(c.urlId=(c.urlId+1)%a,c.details=void 0,d.b.warn("level controller, "+u+" for level "+t+": switching to redundant URL-id "+c.urlId)):-1===this.manualLevelIndex?(s=0===t?this._levels.length-1:t-1,d.b.warn("level controller, "+u+": switch to "+s),this.hls.nextAutoLevel=this.currentLevelIndex=s):i&&(d.b.warn("level controller, "+u+": reload a fragment"),this.currentLevelIndex=null))},l.onFragLoaded=function(e){var t=e.frag;if(void 0!==t&&"main"===t.type){var r=this._levels[t.level];void 0!==r&&(r.fragmentError=!1,r.loadError=0,this.levelRetryCount=0)}},l.onLevelLoaded=function(e){var t=this,r=e.level,i=e.details;if(r===this.currentLevelIndex){var a=this._levels[r];if(a.fragmentError||(a.loadError=0,this.levelRetryCount=0),i.live){var n=ne(a.details,i,e.stats.trequest);d.b.log("live playlist, reload in "+Math.round(n)+" ms"),this.timer=setTimeout((function(){return t.loadLevel()}),n)}else this.clearTimer()}},l.onAudioTrackSwitched=function(e){var t=this.hls.audioTracks[e.id].groupId,r=this.hls.levels[this.currentLevelIndex];if(r&&r.audioGroupIds){for(var i=-1,a=0;a<r.audioGroupIds.length;a++)if(r.audioGroupIds[a]===t){i=a;break}i!==r.urlId&&(r.urlId=i,this.startLoad())}},l.loadLevel=function(){if(d.b.debug("call to loadLevel"),null!==this.currentLevelIndex&&this.canload){var e=this._levels[this.currentLevelIndex];if("object"==typeof e&&e.url.length>0){var t=this.currentLevelIndex,r=e.urlId,i=e.url[r];d.b.log("Attempt loading level index "+t+" with URL-id "+r),this.hls.trigger(u.a.LEVEL_LOADING,{url:i,level:t,id:r})}}},a=i,(n=[{key:"levels",get:function(){return this._levels}},{key:"level",get:function(){return this.currentLevelIndex},set:function(e){var t=this._levels;t&&(e=Math.min(e,t.length-1),this.currentLevelIndex===e&&t[e].details||this.setLevelInternal(e))}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(e){this.manualLevelIndex=e,void 0===this._startLevel&&(this._startLevel=e),-1!==e&&(this.level=e)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(e){this._firstLevel=e}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var e=this.hls.config.startLevel;return void 0!==e?e:this._firstLevel}return this._startLevel},set:function(e){this._startLevel=e}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(e){this.level=e,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=e)}}])&&Pe(a.prototype,n),s&&Pe(a,s),i}(h),Ue=r(4);function Ne(e,t){var r;try{r=new Event("addtrack")}catch(e){(r=document.createEvent("Event")).initEvent("addtrack",!1,!1)}r.track=e,t.dispatchEvent(r)}function Be(e){if(e&&e.cues)for(;e.cues.length>0;)e.removeCue(e.cues[0])}var Ge=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,u.a.MEDIA_ATTACHED,u.a.MEDIA_DETACHING,u.a.FRAG_PARSING_METADATA,u.a.LIVE_BACK_BUFFER_REACHED)||this).id3Track=void 0,r.media=void 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u=n[l];if(!Ue.a.isTimeStampFrame(u)){var c=new i(s,o,"");c.value=u,this.id3Track.addCue(c)}}}}},a.onLiveBackBufferReached=function(e){var t=e.bufferEnd,r=this.id3Track;if(r&&r.cues&&r.cues.length){var i=function(e,t){if(t<e[0].endTime)return e[0];if(t>e[e.length-1].endTime)return e[e.length-1];for(var r=0,i=e.length-1;r<=i;){var a=Math.floor((i+r)/2);if(t<e[a].endTime)i=a-1;else{if(!(t>e[a].endTime))return e[a];r=a+1}}return e[r].endTime-t<t-e[i].endTime?e[r]:e[i]}(r.cues,t);if(i)for(;r.cues[0]!==i;)r.removeCue(r.cues[0])}},i}(h);var Ke=function(){function e(e){this.alpha_=void 0,this.estimate_=void 0,this.totalWeight_=void 0,this.alpha_=e?Math.exp(Math.log(.5)/e):0,this.estimate_=0,this.totalWeight_=0}var t=e.prototype;return t.sample=function(e,t){var r=Math.pow(this.alpha_,e);this.estimate_=t*(1-r)+r*this.estimate_,this.totalWeight_+=e},t.getTotalWeight=function(){return this.totalWeight_},t.getEstimate=function(){if(this.alpha_){var 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i=r.loader,a=e.minAutoLevel;if(!i||i.stats&&i.stats.aborted)return d.b.warn("frag loader destroy or aborted, disarm abandonRules"),this.clearTimer(),void(this._nextAutoLevel=-1);var n=i.stats;if(t&&n&&(!t.paused&&0!==t.playbackRate||!t.readyState)&&r.autoLevel&&r.level){var s=Ve.now()-n.trequest,o=Math.abs(t.playbackRate);if(s>500*r.duration/o){var l=e.levels,c=Math.max(1,n.bw?n.bw/8:1e3*n.loaded/s),h=l[r.level],f=h.realBitrate?Math.max(h.realBitrate,h.bitrate):h.bitrate,g=n.total?n.total:Math.max(n.loaded,Math.round(r.duration*f/8)),p=t.currentTime,v=(g-n.loaded)/c,m=(V.bufferInfo(t,p,e.config.maxBufferHole).end-p)/o;if(m<2*r.duration/o&&v>m){var y;for(y=r.level-1;y>a;y--){var b=l[y].realBitrate?Math.max(l[y].realBitrate,l[y].bitrate):l[y].bitrate;if(r.duration*b/(6.4*c)<m)break}void 0<v&&(d.b.warn("loading too slow, abort fragment loading and switch to level "+y+":fragLoadedDelay["+y+"]<fragLoadedDelay["+(r.level-1)+"];bufferStarvationDelay:"+(void 0).toFixed(1)+"<"+v.toFixed(1)+":"+m.toFixed(1)),e.nextLoadLevel=y,this._bwEstimator.sample(s,n.loaded),i.abort(),this.clearTimer(),e.trigger(u.a.FRAG_LOAD_EMERGENCY_ABORTED,{frag:r,stats:n}))}}}}},c.onFragLoaded=function(e){var t=e.frag;if("main"===t.type&&Object(l.a)(t.sn)){if(this.clearTimer(),this.lastLoadedFragLevel=t.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var r=this.hls.levels[t.level],i=(r.loaded?r.loaded.bytes:0)+e.stats.loaded,a=(r.loaded?r.loaded.duration:0)+e.frag.duration;r.loaded={bytes:i,duration:a},r.realBitrate=Math.round(8*i/a)}if(e.frag.bitrateTest){var n=e.stats;n.tparsed=n.tbuffered=n.tload,this.onFragBuffered(e)}}},c.onFragBuffered=function(e){var t=e.stats,r=e.frag;if(!0!==t.aborted&&"main"===r.type&&Object(l.a)(r.sn)&&(!r.bitrateTest||t.tload===t.tbuffered)){var i=t.tparsed-t.trequest;d.b.log("latency/loading/parsing/append/kbps:"+Math.round(t.tfirst-t.trequest)+"/"+Math.round(t.tload-t.tfirst)+"/"+Math.round(t.tparsed-t.tload)+"/"+Math.round(t.tbuffered-t.tparsed)+"/"+Math.round(8*t.loaded/(t.tbuffered-t.trequest))),this._bwEstimator.sample(i,t.loaded),t.bwEstimate=this._bwEstimator.getEstimate(),r.bitrateTest?this.bitrateTestDelay=i/1e3:this.bitrateTestDelay=0}},c.onError=function(e){switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:this.clearTimer()}},c.clearTimer=function(){clearInterval(this.timer),this.timer=null},c._findBestLevel=function(e,t,r,i,a,n,s,o,l){for(var u=a;u>=i;u--){var c=l[u];if(c){var h=c.details,f=h?h.totalduration/h.fragments.length:t,g=!!h&&h.live,p=void 0;p=u<=e?s*r:o*r;var v=l[u].realBitrate?Math.max(l[u].realBitrate,l[u].bitrate):l[u].bitrate,m=v*f/p;if(d.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: 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g=o?Math.min(o,i.maxStarvationDelay):i.maxStarvationDelay,p=i.abrBandWidthFactor,v=i.abrBandWidthUpFactor;if(0===h){var m=this.bitrateTestDelay;m&&(g=(o?Math.min(o,i.maxLoadingDelay):i.maxLoadingDelay)-m,d.b.trace("bitrate test took "+Math.round(1e3*m)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*g)+" ms"),p=v=1)}return f=this._findBestLevel(s,o,c,a,t,h+g,p,v,r),Math.max(f,0)}}])&&He(a.prototype,n),s&&He(a,s),i}(h);var We=z(),qe=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,u.a.MEDIA_ATTACHING,u.a.MEDIA_DETACHING,u.a.MANIFEST_PARSED,u.a.BUFFER_RESET,u.a.BUFFER_APPENDING,u.a.BUFFER_CODECS,u.a.BUFFER_EOS,u.a.BUFFER_FLUSHING,u.a.LEVEL_PTS_UPDATED,u.a.LEVEL_UPDATED)||this)._msDuration=null,r._levelDuration=null,r._levelTargetDuration=10,r._live=null,r._objectUrl=null,r._needsFlush=!1,r._needsEos=!1,r.config=void 0,r.audioTimestampOffset=void 0,r.bufferCodecEventsExpected=0,r._bufferCodecEventsTotal=0,r.media=null,r.mediaSource=null,r.segments=[],r.parent=void 0,r.appending=!1,r.appended=0,r.appendError=0,r.flushBufferCounter=0,r.tracks={},r.pendingTracks={},r.sourceBuffer={},r.flushRange=[],r._onMediaSourceOpen=function(){d.b.log("media source opened"),r.hls.trigger(u.a.MEDIA_ATTACHED,{media:r.media});var e=r.mediaSource;e&&e.removeEventListener("sourceopen",r._onMediaSourceOpen),r.checkPendingTracks()},r._onMediaSourceClose=function(){d.b.log("media source closed")},r._onMediaSourceEnded=function(){d.b.log("media source ended")},r._onSBUpdateEnd=function(){if(r.audioTimestampOffset&&r.sourceBuffer.audio){var e=r.sourceBuffer.audio;d.b.warn("change mpeg audio timestamp offset from "+e.timestampOffset+" to "+r.audioTimestampOffset),e.timestampOffset=r.audioTimestampOffset,delete r.audioTimestampOffset}r._needsFlush&&r.doFlush(),r._needsEos&&r.checkEos(),r.appending=!1;var t=r.parent,i=r.segments.reduce((function(e,r){return r.parent===t?e+1:e}),0),a={},n=r.sourceBuffer;for(var s in n){var o=n[s];if(!o)throw Error("handling source buffer update end error: source buffer for "+s+" uninitilized and unable to update buffered TimeRanges.");a[s]=o.buffered}r.hls.trigger(u.a.BUFFER_APPENDED,{parent:t,pending:i,timeRanges:a}),r._needsFlush||r.doAppending(),r.updateMediaElementDuration(),0===i&&r.flushLiveBackBuffer()},r._onSBUpdateError=function(e){d.b.error("sourceBuffer error:",e),r.hls.trigger(u.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_APPENDING_ERROR,fatal:!1})},r.config=t.config,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){h.prototype.destroy.call(this)},a.onLevelPtsUpdated=function(e){var t=e.type,r=this.tracks.audio;if("audio"===t&&r&&"audio/mpeg"===r.container){var i=this.sourceBuffer.audio;if(!i)throw Error("Level PTS Updated and source buffer for audio uninitalized");if(Math.abs(i.timestampOffset-e.start)>.1){var a=i.updating;try{i.abort()}catch(e){d.b.warn("can not abort audio buffer: "+e)}a?this.audioTimestampOffset=e.start:(d.b.warn("change mpeg audio timestamp offset from "+i.timestampOffset+" to "+e.start),i.timestampOffset=e.start)}}},a.onManifestParsed=function(e){this.bufferCodecEventsExpected=this._bufferCodecEventsTotal=e.altAudio?2:1,d.b.log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},a.onMediaAttaching=function(e){var t=this.media=e.media;if(t&&We){var r=this.mediaSource=new We;r.addEventListener("sourceopen",this._onMediaSourceOpen),r.addEventListener("sourceended",this._onMediaSourceEnded),r.addEventListener("sourceclose",this._onMediaSourceClose),t.src=window.URL.createObjectURL(r),this._objectUrl=t.src}},a.onMediaDetaching=function(){d.b.log("media source detaching");var e=this.mediaSource;if(e){if("open"===e.readyState)try{e.endOfStream()}catch(e){d.b.warn("onMediaDetaching:"+e.message+" while calling endOfStream")}e.removeEventListener("sourceopen",this._onMediaSourceOpen),e.removeEventListener("sourceended",this._onMediaSourceEnded),e.removeEventListener("sourceclose",this._onMediaSourceClose),this.media&&(this._objectUrl&&window.URL.revokeObjectURL(this._objectUrl),this.media.src===this._objectUrl?(this.media.removeAttribute("src"),this.media.load()):d.b.warn("media.src was changed by a third party - skip cleanup")),this.mediaSource=null,this.media=null,this._objectUrl=null,this.bufferCodecEventsExpected=this._bufferCodecEventsTotal,this.pendingTracks={},this.tracks={},this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0}this.hls.trigger(u.a.MEDIA_DETACHED)},a.checkPendingTracks=function(){var e=this.bufferCodecEventsExpected,t=this.pendingTracks,r=Object.keys(t).length;(r&&!e||2===r)&&(this.createSourceBuffers(t),this.pendingTracks={},this.doAppending())},a.onBufferReset=function(){var e=this.sourceBuffer;for(var t in e){var r=e[t];try{r&&(this.mediaSource&&this.mediaSource.removeSourceBuffer(r),r.removeEventListener("updateend",this._onSBUpdateEnd),r.removeEventListener("error",this._onSBUpdateError))}catch(e){}}this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0},a.onBufferCodecs=function(e){var t=this;Object.keys(this.sourceBuffer).length||(Object.keys(e).forEach((function(r){t.pendingTracks[r]=e[r]})),this.bufferCodecEventsExpected=Math.max(this.bufferCodecEventsExpected-1,0),this.mediaSource&&"open"===this.mediaSource.readyState&&this.checkPendingTracks())},a.createSourceBuffers=function(e){var t=this.sourceBuffer,r=this.mediaSource;if(!r)throw Error("createSourceBuffers called when mediaSource was null");for(var i in e)if(!t[i]){var a=e[i];if(!a)throw Error("source buffer exists for track "+i+", however track does not");var n=a.levelCodec||a.codec,s=a.container+";codecs="+n;d.b.log("creating sourceBuffer("+s+")");try{var l=t[i]=r.addSourceBuffer(s);l.addEventListener("updateend",this._onSBUpdateEnd),l.addEventListener("error",this._onSBUpdateError),this.tracks[i]={buffer:l,codec:n,id:a.id,container:a.container,levelCodec:a.levelCodec}}catch(e){d.b.error("error while trying to add sourceBuffer:"+e.message),this.hls.trigger(u.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,err:e,mimeType:s})}}this.hls.trigger(u.a.BUFFER_CREATED,{tracks:this.tracks})},a.onBufferAppending=function(e){this._needsFlush||(this.segments?this.segments.push(e):this.segments=[e],this.doAppending())},a.onBufferEos=function(e){for(var t in this.sourceBuffer)if(!e.type||e.type===t){var r=this.sourceBuffer[t];r&&!r.ended&&(r.ended=!0,d.b.log(t+" sourceBuffer now EOS"))}this.checkEos()},a.checkEos=function(){var e=this.sourceBuffer,t=this.mediaSource;if(t&&"open"===t.readyState){for(var r in e){var i=e[r];if(i){if(!i.ended)return;if(i.updating)return void(this._needsEos=!0)}}d.b.log("all media data are available, signal endOfStream() to MediaSource and stop loading fragment");try{t.endOfStream()}catch(e){d.b.warn("exception while calling mediaSource.endOfStream()")}this._needsEos=!1}else this._needsEos=!1},a.onBufferFlushing=function(e){e.type?this.flushRange.push({start:e.startOffset,end:e.endOffset,type:e.type}):(this.flushRange.push({start:e.startOffset,end:e.endOffset,type:"video"}),this.flushRange.push({start:e.startOffset,end:e.endOffset,type:"audio"})),this.flushBufferCounter=0,this.doFlush()},a.flushLiveBackBuffer=function(){if(this._live){var e=this.config.liveBackBufferLength;if(isFinite(e)&&!(e<0))if(this.media)for(var t=this.media.currentTime,r=this.sourceBuffer,i=Object.keys(r),a=t-Math.max(e,this._levelTargetDuration),n=i.length-1;n>=0;n--){var s=i[n],o=r[s];if(o){var l=o.buffered;l.length>0&&a>l.start(0)&&this.removeBufferRange(s,o,0,a)&&this.hls.trigger(u.a.LIVE_BACK_BUFFER_REACHED,{bufferEnd:a})}}else d.b.error("flushLiveBackBuffer called without attaching media")}},a.onLevelUpdated=function(e){var t=e.details;t.fragments.length>0&&(this._levelDuration=t.totalduration+t.fragments[0].start,this._levelTargetDuration=t.averagetargetduration||t.targetduration||10,this._live=t.live,this.updateMediaElementDuration())},a.updateMediaElementDuration=function(){var e,t=this.config;if(null!==this._levelDuration&&this.media&&this.mediaSource&&this.sourceBuffer&&0!==this.media.readyState&&"open"===this.mediaSource.readyState){for(var r in this.sourceBuffer){var i=this.sourceBuffer[r];if(i&&!0===i.updating)return}e=this.media.duration,null===this._msDuration&&(this._msDuration=this.mediaSource.duration),!0===this._live&&!0===t.liveDurationInfinity?(d.b.log("Media Source duration is set to Infinity"),this._msDuration=this.mediaSource.duration=1/0):(this._levelDuration>this._msDuration&&this._levelDuration>e||!Object(l.a)(e))&&(d.b.log("Updating Media Source duration to 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t.destroy=function(){this.abort(),this.loader=null},t.abort=function(){var e=this.loader;e&&4!==e.readyState&&(this.stats.aborted=!0,e.abort()),window.clearTimeout(this.requestTimeout),this.requestTimeout=null,window.clearTimeout(this.retryTimeout),this.retryTimeout=null},t.load=function(e,t,r){this.context=e,this.config=t,this.callbacks=r,this.stats={trequest:Ze.now(),retry:0},this.retryDelay=t.retryDelay,this.loadInternal()},t.loadInternal=function(){var e,t=this.context;e=this.loader=new et;var r=this.stats;r.tfirst=0,r.loaded=0;var i=this.xhrSetup;try{if(i)try{i(e,t.url)}catch(r){e.open("GET",t.url,!0),i(e,t.url)}e.readyState||e.open("GET",t.url,!0)}catch(r){return void this.callbacks.onError({code:e.status,text:r.message},t,e)}t.rangeEnd&&e.setRequestHeader("Range","bytes="+t.rangeStart+"-"+(t.rangeEnd-1)),e.onreadystatechange=this.readystatechange.bind(this),e.onprogress=this.loadprogress.bind(this),e.responseType=t.responseType,this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),this.config.timeout),e.send()},t.readystatechange=function(e){var t=e.currentTarget,r=t.readyState,i=this.stats,a=this.context,n=this.config;if(!i.aborted&&r>=2)if(window.clearTimeout(this.requestTimeout),0===i.tfirst&&(i.tfirst=Math.max(Ze.now(),i.trequest)),4===r){var s=t.status;if(s>=200&&s<300){var o,l;i.tload=Math.max(i.tfirst,Ze.now()),l="arraybuffer"===a.responseType?(o=t.response).byteLength:(o=t.responseText).length,i.loaded=i.total=l;var u={url:t.responseURL,data:o};this.callbacks.onSuccess(u,i,a,t)}else i.retry>=n.maxRetry||s>=400&&s<499?(d.b.error(s+" while loading "+a.url),this.callbacks.onError({code:s,text:t.statusText},a,t)):(d.b.warn(s+" while loading "+a.url+", retrying in "+this.retryDelay+"..."),this.destroy(),this.retryTimeout=window.setTimeout(this.loadInternal.bind(this),this.retryDelay),this.retryDelay=Math.min(2*this.retryDelay,n.maxRetryDelay),i.retry++)}else this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),n.timeout)},t.loadtimeout=function(){d.b.warn("timeout while loading "+this.context.url),this.callbacks.onTimeout(this.stats,this.context,null)},t.loadprogress=function(e){var t=e.currentTarget,r=this.stats;r.loaded=e.loaded,e.lengthComputable&&(r.total=e.total);var i=this.callbacks.onProgress;i&&i(r,this.context,null,t)},e}();function rt(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var it=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,u.a.MANIFEST_LOADING,u.a.MANIFEST_PARSED,u.a.AUDIO_TRACK_LOADED,u.a.AUDIO_TRACK_SWITCHED,u.a.LEVEL_LOADED,u.a.ERROR)||this)._trackId=-1,r._selectDefaultTrack=!0,r.tracks=[],r.trackIdBlacklist=Object.create(null),r.audioGroupId=null,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,l=i.prototype;return l.onManifestLoading=function(){this.tracks=[],this._trackId=-1,this._selectDefaultTrack=!0},l.onManifestParsed=function(e){var t=this.tracks=e.audioTracks||[];this.hls.trigger(u.a.AUDIO_TRACKS_UPDATED,{audioTracks:t}),this._selectAudioGroup(this.hls.nextLoadLevel)},l.onAudioTrackLoaded=function(e){if(e.id>=this.tracks.length)d.b.warn("Invalid audio track id:",e.id);else{if(d.b.log("audioTrack "+e.id+" loaded"),this.tracks[e.id].details=e.details,e.details.live&&!this.hasInterval()){var t=1e3*e.details.targetduration;this.setInterval(t)}!e.details.live&&this.hasInterval()&&this.clearInterval()}},l.onAudioTrackSwitched=function(e){var t=this.tracks[e.id].groupId;t&&this.audioGroupId!==t&&(this.audioGroupId=t)},l.onLevelLoaded=function(e){this._selectAudioGroup(e.level)},l.onError=function(e){e.type===o.b.NETWORK_ERROR&&(e.fatal&&this.clearInterval(),e.details===o.a.AUDIO_TRACK_LOAD_ERROR&&(d.b.warn("Network failure on audio-track id:",e.context.id),this._handleLoadError()))},l._setAudioTrack=function(e){if(this._trackId===e&&this.tracks[this._trackId].details)d.b.debug("Same id as current audio-track passed, and track details available -> no-op");else if(e<0||e>=this.tracks.length)d.b.warn("Invalid id passed to audio-track controller");else{var t=this.tracks[e];d.b.log("Now switching to audio-track index "+e),this.clearInterval(),this._trackId=e;var r=t.url,i=t.type,a=t.id;this.hls.trigger(u.a.AUDIO_TRACK_SWITCHING,{id:a,type:i,url:r}),this._loadTrackDetailsIfNeeded(t)}},l.doTick=function(){this._updateTrack(this._trackId)},l._selectAudioGroup=function(e){var t=this.hls.levels[e];if(t&&t.audioGroupIds){var r=t.audioGroupIds[t.urlId];this.audioGroupId!==r&&(this.audioGroupId=r,this._selectInitialAudioTrack())}},l._selectInitialAudioTrack=function(){var e=this,t=this.tracks;if(t.length){var r=this.tracks[this._trackId],i=null;if(r&&(i=r.name),this._selectDefaultTrack){var a=t.filter((function(e){return e.default}));a.length?t=a:d.b.warn("No default audio tracks defined")}var n=!1,s=function(){t.forEach((function(t){n||e.audioGroupId&&t.groupId!==e.audioGroupId||i&&i!==t.name||(e._setAudioTrack(t.id),n=!0)}))};s(),n||(i=null,s()),n||(d.b.error("No track found for running audio group-ID: "+this.audioGroupId),this.hls.trigger(u.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.AUDIO_TRACK_LOAD_ERROR,fatal:!0}))}},l._needsTrackLoading=function(e){var t=e.details,r=e.url;return!(t&&!t.live)&&!!r},l._loadTrackDetailsIfNeeded=function(e){if(this._needsTrackLoading(e)){var t=e.url,r=e.id;d.b.log("loading audio-track playlist for id: "+r),this.hls.trigger(u.a.AUDIO_TRACK_LOADING,{url:t,id:r})}},l._updateTrack=function(e){if(!(e<0||e>=this.tracks.length)){this.clearInterval(),this._trackId=e,d.b.log("trying to update audio-track "+e);var t=this.tracks[e];this._loadTrackDetailsIfNeeded(t)}},l._handleLoadError=function(){this.trackIdBlacklist[this._trackId]=!0;var e=this._trackId,t=this.tracks[e],r=t.name,i=t.language,a=t.groupId;d.b.warn("Loading failed on audio track id: "+e+", group-id: "+a+', name/language: "'+r+'" / "'+i+'"');for(var n=e,s=0;s<this.tracks.length;s++){if(!this.trackIdBlacklist[s])if(this.tracks[s].name===r){n=s;break}}n!==e?(d.b.log("Attempting audio-track fallback id:",n,"group-id:",this.tracks[n].groupId),this._setAudioTrack(n)):d.b.warn('No fallback audio-track found for name/language: "'+r+'" / "'+i+'"')},a=i,(n=[{key:"audioTracks",get:function(){return this.tracks}},{key:"audioTrack",get:function(){return this._trackId},set:function(e){this._setAudioTrack(e),this._selectDefaultTrack=!1}}])&&rt(a.prototype,n),s&&rt(a,s),i}(pe);function at(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var nt=window.performance,st=function(e){var t,r;function i(t,r){var i;return(i=e.call(this,t,u.a.MEDIA_ATTACHED,u.a.MEDIA_DETACHING,u.a.AUDIO_TRACKS_UPDATED,u.a.AUDIO_TRACK_SWITCHING,u.a.AUDIO_TRACK_LOADED,u.a.KEY_LOADED,u.a.FRAG_LOADED,u.a.FRAG_PARSING_INIT_SEGMENT,u.a.FRAG_PARSING_DATA,u.a.FRAG_PARSED,u.a.ERROR,u.a.BUFFER_RESET,u.a.BUFFER_CREATED,u.a.BUFFER_APPENDED,u.a.BUFFER_FLUSHED,u.a.INIT_PTS_FOUND)||this).fragmentTracker=r,i.config=t.config,i.audioCodecSwap=!1,i._state=ve,i.initPTS=[],i.waitingFragment=null,i.videoTrackCC=null,i}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,c=i.prototype;return c.onInitPtsFound=function(e){var t=e.id,r=e.frag.cc,i=e.initPTS;"main"===t&&(this.initPTS[r]=i,this.videoTrackCC=r,d.b.log("InitPTS for cc: "+r+" found from video track: "+i),this.state===De&&this.tick())},c.startLoad=function(e){if(this.tracks){var t=this.lastCurrentTime;this.stopLoad(),this.setInterval(100),this.fragLoadError=0,t>0&&-1===e?(d.b.log("audio:override startPosition with lastCurrentTime @"+t.toFixed(3)),this.state=ye):(this.lastCurrentTime=this.startPosition?this.startPosition:e,this.state=me),this.nextLoadPosition=this.startPosition=this.lastCurrentTime,this.tick()}else this.startPosition=e,this.state=ve},c.doTick=function(){var e,t,r,i=this.hls,a=i.config;switch(this.state){case Le:case be:case we:break;case me:this.state=_e,this.loadedmetadata=!1;break;case ye:var n=this.tracks;if(!n)break;if(!this.media&&(this.startFragRequested||!a.startFragPrefetch))break;if(this.loadedmetadata)e=this.media.currentTime;else if(void 0===(e=this.nextLoadPosition))break;var s=this.mediaBuffer?this.mediaBuffer:this.media,o=this.videoBuffer?this.videoBuffer:this.media,c=V.bufferInfo(s,e,a.maxBufferHole),h=V.bufferInfo(o,e,a.maxBufferHole),f=c.len,g=c.end,p=this.fragPrevious,v=Math.min(a.maxBufferLength,a.maxMaxBufferLength),m=Math.max(v,h.len),y=this.audioSwitch,b=this.trackId;if((f<m||y)&&b<n.length){if(void 0===(r=n[b].details)){this.state=_e;break}if(!y&&this._streamEnded(c,r))return this.hls.trigger(u.a.BUFFER_EOS,{type:"audio"}),void(this.state=ke);var T,E=r.fragments,S=E.length,_=E[0].start,A=E[S-1].start+E[S-1].duration;if(y)if(r.live&&!r.PTSKnown)d.b.log("switching audiotrack, live stream, unknown PTS,load first fragment"),g=0;else if(g=e,r.PTSKnown&&e<_){if(!(c.end>_||c.nextStart))return;d.b.log("alt audio track ahead of main track, seek to start of alt audio track"),this.media.currentTime=_+.05}if(r.initSegment&&!r.initSegment.data)T=r.initSegment;else if(g<=_){if(T=E[0],null!==this.videoTrackCC&&T.cc!==this.videoTrackCC&&(T=function(e,t){return H.search(e,(function(e){return e.cc<t?1:e.cc>t?-1:0}))}(E,this.videoTrackCC)),r.live&&T.loadIdx&&T.loadIdx===this.fragLoadIdx){var R=c.nextStart?c.nextStart:_;return d.b.log("no alt audio available @currentTime:"+this.media.currentTime+", seeking @"+(R+.05)),void(this.media.currentTime=R+.05)}}else{var w,k=a.maxFragLookUpTolerance,L=p?E[p.sn-E[0].sn+1]:void 0,D=function(e){var t=Math.min(k,e.duration);return e.start+e.duration-t<=g?1:e.start-t>g&&e.start?-1:0};g<A?(g>A-k&&(k=0),w=L&&!D(L)?L:H.search(E,D)):w=E[S-1],w&&(T=w,_=w.start,p&&T.level===p.level&&T.sn===p.sn&&(T.sn<r.endSN?(T=E[T.sn+1-r.startSN],d.b.log("SN just loaded, load next one: "+T.sn)):T=null))}T&&(T.encrypted?(d.b.log("Loading key for "+T.sn+" of ["+r.startSN+" ,"+r.endSN+"],track "+b),this.state=Te,i.trigger(u.a.KEY_LOADING,{frag:T})):(d.b.log("Loading "+T.sn+", cc: "+T.cc+" of ["+r.startSN+" ,"+r.endSN+"],track "+b+", currentTime:"+e+",bufferEnd:"+g.toFixed(3)),this.fragCurrent=T,(y||this.fragmentTracker.getState(T)===N)&&("initSegment"!==T.sn&&(this.startFragRequested=!0),Object(l.a)(T.sn)&&(this.nextLoadPosition=T.start+T.duration),i.trigger(u.a.FRAG_LOADING,{frag:T}),this.state=Ee)))}break;case _e:(t=this.tracks[this.trackId])&&t.details&&(this.state=ye);break;case Se:var C=nt.now(),I=this.retryDate,O=(s=this.media)&&s.seeking;(!I||C>=I||O)&&(d.b.log("audioStreamController: retryDate reached, switch back to IDLE state"),this.state=ye);break;case De:var x=this.videoTrackCC;if(void 0===this.initPTS[x])break;var P=this.waitingFragment;if(P){var M=P.frag.cc;x!==M?(t=this.tracks[this.trackId]).details&&t.details.live&&(d.b.warn("Waiting fragment CC ("+M+") does not match video track CC ("+x+")"),this.waitingFragment=null,this.state=ye):(this.state=Ee,this.onFragLoaded(this.waitingFragment),this.waitingFragment=null)}else this.state=ye}},c.onMediaAttached=function(e){var t=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvended=this.onMediaEnded.bind(this),t.addEventListener("seeking",this.onvseeking),t.addEventListener("ended",this.onvended);var r=this.config;this.tracks&&r.autoStartLoad&&this.startLoad(r.startPosition)},c.onMediaDetaching=function(){var e=this.media;e&&e.ended&&(d.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1,this.fragmentTracker.removeAllFragments(),this.stopLoad()},c.onAudioTracksUpdated=function(e){d.b.log("audio tracks updated"),this.tracks=e.audioTracks},c.onAudioTrackSwitching=function(e){var t=!!e.url;this.trackId=e.id,this.fragCurrent=null,this.state=be,this.waitingFragment=null,t?this.setInterval(100):this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),t&&(this.audioSwitch=!0,this.state=ye),this.tick()},c.onAudioTrackLoaded=function(e){var t=e.details,r=e.id,i=this.tracks[r],a=t.totalduration,n=0;if(d.b.log("track "+r+" loaded ["+t.startSN+","+t.endSN+"],duration:"+a),t.live){var s=i.details;s&&t.fragments.length>0?(ie(s,t),n=t.fragments[0].start,t.PTSKnown?d.b.log("live audio playlist sliding:"+n.toFixed(3)):d.b.log("live audio playlist - outdated PTS, unknown sliding")):(t.PTSKnown=!1,d.b.log("live audio playlist - first load, unknown sliding"))}else t.PTSKnown=!1;if(i.details=t,!this.startFragRequested){if(-1===this.startPosition){var o=t.startTimeOffset;Object(l.a)(o)?(d.b.log("start time offset found in playlist, adjust startPosition to "+o),this.startPosition=o):t.live?(this.startPosition=this.computeLivePosition(n,t),d.b.log("compute startPosition for audio-track to "+this.startPosition)):this.startPosition=0}this.nextLoadPosition=this.startPosition}this.state===_e&&(this.state=ye),this.tick()},c.onKeyLoaded=function(){this.state===Te&&(this.state=ye,this.tick())},c.onFragLoaded=function(e){var t=this.fragCurrent,r=e.frag;if(this.state===Ee&&t&&"audio"===r.type&&r.level===t.level&&r.sn===t.sn){var i=this.tracks[this.trackId],a=i.details,n=a.totalduration,s=t.level,o=t.sn,l=t.cc,c=this.config.defaultAudioCodec||i.audioCodec||"mp4a.40.2",h=this.stats=e.stats;if("initSegment"===o)this.state=ye,h.tparsed=h.tbuffered=nt.now(),a.initSegment.data=e.payload,this.hls.trigger(u.a.FRAG_BUFFERED,{stats:h,frag:t,id:"audio"}),this.tick();else{this.state=Ae,this.appended=!1,this.demuxer||(this.demuxer=new Z(this.hls,"audio"));var f=this.initPTS[l],g=a.initSegment?a.initSegment.data:[];if(a.initSegment||void 0!==f){this.pendingBuffering=!0,d.b.log("Demuxing "+o+" of ["+a.startSN+" ,"+a.endSN+"],track "+s);this.demuxer.push(e.payload,g,c,null,t,n,!1,f)}else d.b.log("unknown video PTS for continuity counter "+l+", waiting for video PTS before demuxing audio frag "+o+" of ["+a.startSN+" ,"+a.endSN+"],track "+s),this.waitingFragment=e,this.state=De}}this.fragLoadError=0},c.onFragParsingInitSegment=function(e){var t=this.fragCurrent,r=e.frag;if(t&&"audio"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===Ae){var i,a=e.tracks;if(a.video&&delete a.video,i=a.audio){i.levelCodec=i.codec,i.id=e.id,this.hls.trigger(u.a.BUFFER_CODECS,a),d.b.log("audio track:audio,container:"+i.container+",codecs[level/parsed]=["+i.levelCodec+"/"+i.codec+"]");var n=i.initSegment;if(n){var s={type:"audio",data:n,parent:"audio",content:"initSegment"};this.audioSwitch?this.pendingData=[s]:(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(u.a.BUFFER_APPENDING,s))}this.tick()}}},c.onFragParsingData=function(e){var t=this,r=this.fragCurrent,i=e.frag;if(r&&"audio"===e.id&&"audio"===e.type&&i.sn===r.sn&&i.level===r.level&&this.state===Ae){var a=this.trackId,n=this.tracks[a],s=this.hls;Object(l.a)(e.endPTS)||(e.endPTS=e.startPTS+r.duration,e.endDTS=e.startDTS+r.duration),r.addElementaryStream(p.AUDIO),d.b.log("parsed "+e.type+",PTS:["+e.startPTS.toFixed(3)+","+e.endPTS.toFixed(3)+"],DTS:["+e.startDTS.toFixed(3)+"/"+e.endDTS.toFixed(3)+"],nb:"+e.nb),re(n.details,r,e.startPTS,e.endPTS);var c=this.audioSwitch,h=this.media,f=!1;if(c)if(h&&h.readyState){var g=h.currentTime;d.b.log("switching audio track : currentTime:"+g),g>=e.startPTS&&(d.b.log("switching audio track : flushing all audio"),this.state=we,s.trigger(u.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),f=!0,this.audioSwitch=!1,s.trigger(u.a.AUDIO_TRACK_SWITCHED,{id:a}))}else this.audioSwitch=!1,s.trigger(u.a.AUDIO_TRACK_SWITCHED,{id:a});var v=this.pendingData;if(!v)return d.b.warn("Apparently attempt to enqueue media payload without codec initialization data upfront"),void s.trigger(u.a.ERROR,{type:o.b.MEDIA_ERROR,details:null,fatal:!0});this.audioSwitch||([e.data1,e.data2].forEach((function(t){t&&t.length&&v.push({type:e.type,data:t,parent:"audio",content:"data"})})),!f&&v.length&&(v.forEach((function(e){t.state===Ae&&(t.pendingBuffering=!0,t.hls.trigger(u.a.BUFFER_APPENDING,e))})),this.pendingData=[],this.appended=!0)),this.tick()}},c.onFragParsed=function(e){var t=this.fragCurrent,r=e.frag;t&&"audio"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===Ae&&(this.stats.tparsed=nt.now(),this.state=Re,this._checkAppendedParsed())},c.onBufferReset=function(){this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1},c.onBufferCreated=function(e){var t=e.tracks.audio;t&&(this.mediaBuffer=t.buffer,this.loadedmetadata=!0),e.tracks.video&&(this.videoBuffer=e.tracks.video.buffer)},c.onBufferAppended=function(e){if("audio"===e.parent){var t=this.state;t!==Ae&&t!==Re||(this.pendingBuffering=e.pending>0,this._checkAppendedParsed())}},c._checkAppendedParsed=function(){if(!(this.state!==Re||this.appended&&this.pendingBuffering)){var e=this.fragCurrent,t=this.stats,r=this.hls;if(e){this.fragPrevious=e,t.tbuffered=nt.now(),r.trigger(u.a.FRAG_BUFFERED,{stats:t,frag:e,id:"audio"});var i=this.mediaBuffer?this.mediaBuffer:this.media;i&&d.b.log("audio buffered : "+se.toString(i.buffered)),this.audioSwitch&&this.appended&&(this.audioSwitch=!1,r.trigger(u.a.AUDIO_TRACK_SWITCHED,{id:this.trackId})),this.state=ye}this.tick()}},c.onError=function(e){var t=e.frag;if(!t||"audio"===t.type)switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:var r=e.frag;if(r&&"audio"!==r.type)break;if(!e.fatal){var i=this.fragLoadError;i?i++:i=1;var a=this.config;if(i<=a.fragLoadingMaxRetry){this.fragLoadError=i;var n=Math.min(Math.pow(2,i-1)*a.fragLoadingRetryDelay,a.fragLoadingMaxRetryTimeout);d.b.warn("AudioStreamController: frag loading failed, retry in "+n+" ms"),this.retryDate=nt.now()+n,this.state=Se}else d.b.error("AudioStreamController: "+e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.state=Le}break;case o.a.AUDIO_TRACK_LOAD_ERROR:case o.a.AUDIO_TRACK_LOAD_TIMEOUT:case o.a.KEY_LOAD_ERROR:case o.a.KEY_LOAD_TIMEOUT:this.state!==Le&&(this.state=e.fatal?Le:ye,d.b.warn("AudioStreamController: "+e.details+" while loading frag, now switching to "+this.state+" state ..."));break;case o.a.BUFFER_FULL_ERROR:if("audio"===e.parent&&(this.state===Ae||this.state===Re)){var s=this.mediaBuffer,l=this.media.currentTime;if(s&&V.isBuffered(s,l)&&V.isBuffered(s,l+.5)){var c=this.config;c.maxMaxBufferLength>=c.maxBufferLength&&(c.maxMaxBufferLength/=2,d.b.warn("AudioStreamController: reduce max buffer length to "+c.maxMaxBufferLength+"s")),this.state=ye}else d.b.warn("AudioStreamController: buffer full error also media.currentTime is not buffered, flush audio buffer"),this.fragCurrent=null,this.state=we,this.hls.trigger(u.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"})}}},c.onBufferFlushed=function(){var e=this,t=this.pendingData;t&&t.length?(d.b.log("AudioStreamController: appending pending audio data after buffer flushed"),t.forEach((function(t){e.hls.trigger(u.a.BUFFER_APPENDING,t)})),this.appended=!0,this.pendingData=[],this.state=Re):(this.state=ye,this.fragPrevious=null,this.tick())},a=i,(n=[{key:"state",set:function(e){if(this.state!==e){var t=this.state;this._state=e,d.b.log("audio stream:"+t+"->"+e)}},get:function(){return this._state}}])&&at(a.prototype,n),s&&at(a,s),i}(Ie),ot=function(){if("undefined"!=typeof window&&window.VTTCue)return window.VTTCue;var e={"":!0,lr:!0,rl:!0},t={start:!0,middle:!0,end:!0,left:!0,right:!0};function r(e){return"string"==typeof e&&(!!t[e.toLowerCase()]&&e.toLowerCase())}function i(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var i in r)e[i]=r[i]}return e}function a(t,a,n){var s=this,o={enumerable:!0};s.hasBeenReset=!1;var l="",u=!1,d=t,c=a,h=n,f=null,g="",p=!0,v="auto",m="start",y=50,b="middle",T=50,E="middle";Object.defineProperty(s,"id",i({},o,{get:function(){return l},set:function(e){l=""+e}})),Object.defineProperty(s,"pauseOnExit",i({},o,{get:function(){return u},set:function(e){u=!!e}})),Object.defineProperty(s,"startTime",i({},o,{get:function(){return d},set:function(e){if("number"!=typeof e)throw new TypeError("Start time must be set to a number.");d=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"endTime",i({},o,{get:function(){return c},set:function(e){if("number"!=typeof e)throw new TypeError("End time must be set to a number.");c=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"text",i({},o,{get:function(){return h},set:function(e){h=""+e,this.hasBeenReset=!0}})),Object.defineProperty(s,"region",i({},o,{get:function(){return f},set:function(e){f=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"vertical",i({},o,{get:function(){return g},set:function(t){var r=function(t){return"string"==typeof t&&(!!e[t.toLowerCase()]&&t.toLowerCase())}(t);if(!1===r)throw new SyntaxError("An invalid or illegal string was specified.");g=r,this.hasBeenReset=!0}})),Object.defineProperty(s,"snapToLines",i({},o,{get:function(){return p},set:function(e){p=!!e,this.hasBeenReset=!0}})),Object.defineProperty(s,"line",i({},o,{get:function(){return v},set:function(e){if("number"!=typeof e&&"auto"!==e)throw new SyntaxError("An invalid number or illegal string was specified.");v=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"lineAlign",i({},o,{get:function(){return m},set:function(e){var t=r(e);if(!t)throw new SyntaxError("An invalid or illegal string was specified.");m=t,this.hasBeenReset=!0}})),Object.defineProperty(s,"position",i({},o,{get:function(){return y},set:function(e){if(e<0||e>100)throw new Error("Position must be between 0 and 100.");y=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"positionAlign",i({},o,{get:function(){return b},set:function(e){var t=r(e);if(!t)throw new SyntaxError("An invalid or illegal string was specified.");b=t,this.hasBeenReset=!0}})),Object.defineProperty(s,"size",i({},o,{get:function(){return T},set:function(e){if(e<0||e>100)throw new Error("Size must be between 0 and 100.");T=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"align",i({},o,{get:function(){return E},set:function(e){var t=r(e);if(!t)throw new SyntaxError("An invalid or illegal string was specified.");E=t,this.hasBeenReset=!0}})),s.displayState=void 0}return a.prototype.getCueAsHTML=function(){return window.WebVTT.convertCueToDOMTree(window,this.text)},a}(),lt=function(){return{decode:function(e){if(!e)return"";if("string"!=typeof e)throw new Error("Error - expected string data.");return decodeURIComponent(encodeURIComponent(e))}}};function ut(){this.window=window,this.state="INITIAL",this.buffer="",this.decoder=new lt,this.regionList=[]}function dt(){this.values=Object.create(null)}function ct(e,t,r,i){var a=i?e.split(i):[e];for(var n in a)if("string"==typeof a[n]){var s=a[n].split(r);if(2===s.length)t(s[0],s[1])}}dt.prototype={set:function(e,t){this.get(e)||""===t||(this.values[e]=t)},get:function(e,t,r){return r?this.has(e)?this.values[e]:t[r]:this.has(e)?this.values[e]:t},has:function(e){return e in this.values},alt:function(e,t,r){for(var i=0;i<r.length;++i)if(t===r[i]){this.set(e,t);break}},integer:function(e,t){/^-?\d+$/.test(t)&&this.set(e,parseInt(t,10))},percent:function(e,t){return!!(t.match(/^([\d]{1,3})(\.[\d]*)?%$/)&&(t=parseFloat(t))>=0&&t<=100)&&(this.set(e,t),!0)}};var ht=new ot(0,0,0),ft="middle"===ht.align?"middle":"center";function gt(e,t,r){var i=e;function a(){var t=function(e){function t(e,t,r,i){return 3600*(0|e)+60*(0|t)+(0|r)+(0|i)/1e3}var r=e.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/);return r?r[3]?t(r[1],r[2],r[3].replace(":",""),r[4]):r[1]>59?t(r[1],r[2],0,r[4]):t(0,r[1],r[2],r[4]):null}(e);if(null===t)throw new Error("Malformed timestamp: "+i);return e=e.replace(/^[^\sa-zA-Z-]+/,""),t}function n(){e=e.replace(/^\s+/,"")}if(n(),t.startTime=a(),n(),"--\x3e"!==e.substr(0,3))throw new Error("Malformed time stamp (time stamps must be separated by '--\x3e'): "+i);e=e.substr(3),n(),t.endTime=a(),n(),function(e,t){var i=new dt;ct(e,(function(e,t){switch(e){case"region":for(var a=r.length-1;a>=0;a--)if(r[a].id===t){i.set(e,r[a].region);break}break;case"vertical":i.alt(e,t,["rl","lr"]);break;case"line":var n=t.split(","),s=n[0];i.integer(e,s),i.percent(e,s)&&i.set("snapToLines",!1),i.alt(e,s,["auto"]),2===n.length&&i.alt("lineAlign",n[1],["start",ft,"end"]);break;case"position":n=t.split(","),i.percent(e,n[0]),2===n.length&&i.alt("positionAlign",n[1],["start",ft,"end","line-left","line-right","auto"]);break;case"size":i.percent(e,t);break;case"align":i.alt(e,t,["start",ft,"end","left","right"])}}),/:/,/\s/),t.region=i.get("region",null),t.vertical=i.get("vertical","");var a=i.get("line","auto");"auto"===a&&-1===ht.line&&(a=-1),t.line=a,t.lineAlign=i.get("lineAlign","start"),t.snapToLines=i.get("snapToLines",!0),t.size=i.get("size",100),t.align=i.get("align",ft);var n=i.get("position","auto");"auto"===n&&50===ht.position&&(n="start"===t.align||"left"===t.align?0:"end"===t.align||"right"===t.align?100:50),t.position=n}(e,t)}function pt(e){return e.replace(/<br(?: \/)?>/gi,"\n")}ut.prototype={parse:function(e){var t=this;function r(){var e=t.buffer,r=0;for(e=pt(e);r<e.length&&"\r"!==e[r]&&"\n"!==e[r];)++r;var i=e.substr(0,r);return"\r"===e[r]&&++r,"\n"===e[r]&&++r,t.buffer=e.substr(r),i}e&&(t.buffer+=t.decoder.decode(e,{stream:!0}));try{var i;if("INITIAL"===t.state){if(!/\r\n|\n/.test(t.buffer))return this;var a=(i=r()).match(/^()?WEBVTT([ \t].*)?$/);if(!a||!a[0])throw new Error("Malformed WebVTT signature.");t.state="HEADER"}for(var n=!1;t.buffer;){if(!/\r\n|\n/.test(t.buffer))return this;switch(n?n=!1:i=r(),t.state){case"HEADER":/:/.test(i)?ct(i,(function(e,t){}),/:/):i||(t.state="ID");continue;case"NOTE":i||(t.state="ID");continue;case"ID":if(/^NOTE($|[ \t])/.test(i)){t.state="NOTE";break}if(!i)continue;if(t.cue=new ot(0,0,""),t.state="CUE",-1===i.indexOf("--\x3e")){t.cue.id=i;continue}case"CUE":try{gt(i,t.cue,t.regionList)}catch(e){t.cue=null,t.state="BADCUE";continue}t.state="CUETEXT";continue;case"CUETEXT":var s=-1!==i.indexOf("--\x3e");if(!i||s&&(n=!0)){t.oncue&&t.oncue(t.cue),t.cue=null,t.state="ID";continue}t.cue.text&&(t.cue.text+="\n"),t.cue.text+=i;continue;case"BADCUE":i||(t.state="ID");continue}}}catch(e){"CUETEXT"===t.state&&t.cue&&t.oncue&&t.oncue(t.cue),t.cue=null,t.state="INITIAL"===t.state?"BADWEBVTT":"BADCUE"}return this},flush:function(){try{if(this.buffer+=this.decoder.decode(),(this.cue||"HEADER"===this.state)&&(this.buffer+="\n\n",this.parse()),"INITIAL"===this.state)throw new Error("Malformed WebVTT signature.")}catch(e){throw e}return this.onflush&&this.onflush(),this}};var vt=ut;function mt(e,t,r,i){for(var a,n,s,o,l,u=window.VTTCue||TextTrackCue,d=0;d<i.rows.length;d++)if(s=!0,o=0,l="",!(a=i.rows[d]).isEmpty()){for(var c=0;c<a.chars.length;c++)a.chars[c].uchar.match(/\s/)&&s?o++:(l+=a.chars[c].uchar,s=!1);a.cueStartTime=t,t===r&&(r+=1e-4),n=new u(t,r,pt(l.trim())),o>=16?o--:o++,navigator.userAgent.match(/Firefox\//)?n.line=d+1:n.line=d>7?d-2:d+1,n.align="left",n.position=Math.max(0,Math.min(100,o/32*100)),e.addCue(n)}}var yt,bt={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,128:174,129:176,130:189,131:191,132:8482,133:162,134:163,135:9834,136:224,137:32,138:232,139:226,140:234,141:238,142:244,143:251,144:193,145:201,146:211,147:218,148:220,149:252,150:8216,151:161,152:42,153:8217,154:9473,155:169,156:8480,157:8226,158:8220,159:8221,160:192,161:194,162:199,163:200,164:202,165:203,166:235,167:206,168:207,169:239,170:212,171:217,172:249,173:219,174:171,175:187,176:195,177:227,178:205,179:204,180:236,181:210,182:242,183:213,184:245,185:123,186:125,187:92,188:94,189:95,190:124,191:8764,192:196,193:228,194:214,195:246,196:223,197:165,198:164,199:9475,200:197,201:229,202:216,203:248,204:9487,205:9491,206:9495,207:9499},Tt=function(e){var t=e;return bt.hasOwnProperty(e)&&(t=bt[e]),String.fromCharCode(t)},Et={17:1,18:3,21:5,22:7,23:9,16:11,19:12,20:14},St={17:2,18:4,21:6,22:8,23:10,19:13,20:15},_t={25:1,26:3,29:5,30:7,31:9,24:11,27:12,28:14},At={25:2,26:4,29:6,30:8,31:10,27:13,28:15},Rt=["white","green","blue","cyan","red","yellow","magenta","black","transparent"];!function(e){e[e.ERROR=0]="ERROR",e[e.TEXT=1]="TEXT",e[e.WARNING=2]="WARNING",e[e.INFO=2]="INFO",e[e.DEBUG=3]="DEBUG",e[e.DATA=3]="DATA"}(yt||(yt={}));var wt={verboseFilter:{DATA:3,DEBUG:3,INFO:2,WARNING:2,TEXT:1,ERROR:0},time:null,verboseLevel:0,setTime:function(e){this.time=e},log:function(e,t){this.verboseFilter[e];this.verboseLevel}},kt=function(e){for(var t=[],r=0;r<e.length;r++)t.push(e[r].toString(16));return t},Lt=function(){function e(e,t,r,i,a){this.foreground=void 0,this.underline=void 0,this.italics=void 0,this.background=void 0,this.flash=void 0,this.foreground=e||"white",this.underline=t||!1,this.italics=r||!1,this.background=i||"black",this.flash=a||!1}var t=e.prototype;return t.reset=function(){this.foreground="white",this.underline=!1,this.italics=!1,this.background="black",this.flash=!1},t.setStyles=function(e){for(var t=["foreground","underline","italics","background","flash"],r=0;r<t.length;r++){var i=t[r];e.hasOwnProperty(i)&&(this[i]=e[i])}},t.isDefault=function(){return"white"===this.foreground&&!this.underline&&!this.italics&&"black"===this.background&&!this.flash},t.equals=function(e){return this.foreground===e.foreground&&this.underline===e.underline&&this.italics===e.italics&&this.background===e.background&&this.flash===e.flash},t.copy=function(e){this.foreground=e.foreground,this.underline=e.underline,this.italics=e.italics,this.background=e.background,this.flash=e.flash},t.toString=function(){return"color="+this.foreground+", underline="+this.underline+", italics="+this.italics+", background="+this.background+", flash="+this.flash},e}(),Dt=function(){function e(e,t,r,i,a,n){this.uchar=void 0,this.penState=void 0,this.uchar=e||" ",this.penState=new Lt(t,r,i,a,n)}var t=e.prototype;return t.reset=function(){this.uchar=" ",this.penState.reset()},t.setChar=function(e,t){this.uchar=e,this.penState.copy(t)},t.setPenState=function(e){this.penState.copy(e)},t.equals=function(e){return this.uchar===e.uchar&&this.penState.equals(e.penState)},t.copy=function(e){this.uchar=e.uchar,this.penState.copy(e.penState)},t.isEmpty=function(){return" "===this.uchar&&this.penState.isDefault()},e}(),Ct=function(){function e(){this.chars=void 0,this.pos=void 0,this.currPenState=void 0,this.cueStartTime=void 0,this.chars=[];for(var e=0;e<100;e++)this.chars.push(new Dt);this.pos=0,this.currPenState=new Lt}var t=e.prototype;return t.equals=function(e){for(var t=!0,r=0;r<100;r++)if(!this.chars[r].equals(e.chars[r])){t=!1;break}return t},t.copy=function(e){for(var t=0;t<100;t++)this.chars[t].copy(e.chars[t])},t.isEmpty=function(){for(var e=!0,t=0;t<100;t++)if(!this.chars[t].isEmpty()){e=!1;break}return e},t.setCursor=function(e){this.pos!==e&&(this.pos=e),this.pos<0?(wt.log("ERROR","Negative cursor position "+this.pos),this.pos=0):this.pos>100&&(wt.log("ERROR","Too large cursor position "+this.pos),this.pos=100)},t.moveCursor=function(e){var t=this.pos+e;if(e>1)for(var r=this.pos+1;r<t+1;r++)this.chars[r].setPenState(this.currPenState);this.setCursor(t)},t.backSpace=function(){this.moveCursor(-1),this.chars[this.pos].setChar(" ",this.currPenState)},t.insertChar=function(e){e>=144&&this.backSpace();var t=Tt(e);this.pos>=100?wt.log("ERROR","Cannot insert "+e.toString(16)+" ("+t+") at position "+this.pos+". Skipping it!"):(this.chars[this.pos].setChar(t,this.currPenState),this.moveCursor(1))},t.clearFromPos=function(e){var t;for(t=e;t<100;t++)this.chars[t].reset()},t.clear=function(){this.clearFromPos(0),this.pos=0,this.currPenState.reset()},t.clearToEndOfRow=function(){this.clearFromPos(this.pos)},t.getTextString=function(){for(var e=[],t=!0,r=0;r<100;r++){var i=this.chars[r].uchar;" "!==i&&(t=!1),e.push(i)}return t?"":e.join("")},t.setPenStyles=function(e){this.currPenState.setStyles(e),this.chars[this.pos].setPenState(this.currPenState)},e}(),It=function(){function e(){this.rows=void 0,this.currRow=void 0,this.nrRollUpRows=void 0,this.lastOutputScreen=void 0,this.rows=[];for(var e=0;e<15;e++)this.rows.push(new Ct);this.currRow=14,this.nrRollUpRows=null,this.reset()}var t=e.prototype;return t.reset=function(){for(var e=0;e<15;e++)this.rows[e].clear();this.currRow=14},t.equals=function(e){for(var t=!0,r=0;r<15;r++)if(!this.rows[r].equals(e.rows[r])){t=!1;break}return t},t.copy=function(e){for(var t=0;t<15;t++)this.rows[t].copy(e.rows[t])},t.isEmpty=function(){for(var e=!0,t=0;t<15;t++)if(!this.rows[t].isEmpty()){e=!1;break}return e},t.backSpace=function(){this.rows[this.currRow].backSpace()},t.clearToEndOfRow=function(){this.rows[this.currRow].clearToEndOfRow()},t.insertChar=function(e){this.rows[this.currRow].insertChar(e)},t.setPen=function(e){this.rows[this.currRow].setPenStyles(e)},t.moveCursor=function(e){this.rows[this.currRow].moveCursor(e)},t.setCursor=function(e){wt.log("INFO","setCursor: "+e),this.rows[this.currRow].setCursor(e)},t.setPAC=function(e){wt.log("INFO","pacData = "+JSON.stringify(e));var t=e.row-1;if(this.nrRollUpRows&&t<this.nrRollUpRows-1&&(t=this.nrRollUpRows-1),this.nrRollUpRows&&this.currRow!==t){for(var r=0;r<15;r++)this.rows[r].clear();var i=this.currRow+1-this.nrRollUpRows,a=this.lastOutputScreen;if(a){var n=a.rows[i].cueStartTime;if(n&&wt.time&&n<wt.time)for(var s=0;s<this.nrRollUpRows;s++)this.rows[t-this.nrRollUpRows+s+1].copy(a.rows[i+s])}}this.currRow=t;var o=this.rows[this.currRow];if(null!==e.indent){var l=e.indent,u=Math.max(l-1,0);o.setCursor(e.indent),e.color=o.chars[u].penState.foreground}var d={foreground:e.color,underline:e.underline,italics:e.italics,background:"black",flash:!1};this.setPen(d)},t.setBkgData=function(e){wt.log("INFO","bkgData = "+JSON.stringify(e)),this.backSpace(),this.setPen(e),this.insertChar(32)},t.setRollUpRows=function(e){this.nrRollUpRows=e},t.rollUp=function(){if(null!==this.nrRollUpRows){wt.log("TEXT",this.getDisplayText());var e=this.currRow+1-this.nrRollUpRows,t=this.rows.splice(e,1)[0];t.clear(),this.rows.splice(this.currRow,0,t),wt.log("INFO","Rolling up")}else wt.log("DEBUG","roll_up but nrRollUpRows not set yet")},t.getDisplayText=function(e){e=e||!1;for(var t=[],r="",i=-1,a=0;a<15;a++){var n=this.rows[a].getTextString();n&&(i=a+1,e?t.push("Row "+i+": '"+n+"'"):t.push(n.trim()))}return t.length>0&&(r=e?"["+t.join(" | ")+"]":t.join("\n")),r},t.getTextAndFormat=function(){return this.rows},e}(),Ot=function(){function e(e,t){this.chNr=void 0,this.outputFilter=void 0,this.mode=void 0,this.verbose=void 0,this.displayedMemory=void 0,this.nonDisplayedMemory=void 0,this.lastOutputScreen=void 0,this.currRollUpRow=void 0,this.writeScreen=void 0,this.cueStartTime=void 0,this.lastCueEndTime=void 0,this.chNr=e,this.outputFilter=t,this.mode=null,this.verbose=0,this.displayedMemory=new It,this.nonDisplayedMemory=new It,this.lastOutputScreen=new It,this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null}var t=e.prototype;return t.reset=function(){this.mode=null,this.displayedMemory.reset(),this.nonDisplayedMemory.reset(),this.lastOutputScreen.reset(),this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null},t.getHandler=function(){return this.outputFilter},t.setHandler=function(e){this.outputFilter=e},t.setPAC=function(e){this.writeScreen.setPAC(e)},t.setBkgData=function(e){this.writeScreen.setBkgData(e)},t.setMode=function(e){e!==this.mode&&(this.mode=e,wt.log("INFO","MODE="+e),"MODE_POP-ON"===this.mode?this.writeScreen=this.nonDisplayedMemory:(this.writeScreen=this.displayedMemory,this.writeScreen.reset()),"MODE_ROLL-UP"!==this.mode&&(this.displayedMemory.nrRollUpRows=null,this.nonDisplayedMemory.nrRollUpRows=null),this.mode=e)},t.insertChars=function(e){for(var t=0;t<e.length;t++)this.writeScreen.insertChar(e[t]);var r=this.writeScreen===this.displayedMemory?"DISP":"NON_DISP";wt.log("INFO",r+": "+this.writeScreen.getDisplayText(!0)),"MODE_PAINT-ON"!==this.mode&&"MODE_ROLL-UP"!==this.mode||(wt.log("TEXT","DISPLAYED: "+this.displayedMemory.getDisplayText(!0)),this.outputDataUpdate())},t.ccRCL=function(){wt.log("INFO","RCL - Resume Caption Loading"),this.setMode("MODE_POP-ON")},t.ccBS=function(){wt.log("INFO","BS - BackSpace"),"MODE_TEXT"!==this.mode&&(this.writeScreen.backSpace(),this.writeScreen===this.displayedMemory&&this.outputDataUpdate())},t.ccAOF=function(){},t.ccAON=function(){},t.ccDER=function(){wt.log("INFO","DER- Delete to End of Row"),this.writeScreen.clearToEndOfRow(),this.outputDataUpdate()},t.ccRU=function(e){wt.log("INFO","RU("+e+") - Roll Up"),this.writeScreen=this.displayedMemory,this.setMode("MODE_ROLL-UP"),this.writeScreen.setRollUpRows(e)},t.ccFON=function(){wt.log("INFO","FON - Flash On"),this.writeScreen.setPen({flash:!0})},t.ccRDC=function(){wt.log("INFO","RDC - Resume Direct Captioning"),this.setMode("MODE_PAINT-ON")},t.ccTR=function(){wt.log("INFO","TR"),this.setMode("MODE_TEXT")},t.ccRTD=function(){wt.log("INFO","RTD"),this.setMode("MODE_TEXT")},t.ccEDM=function(){wt.log("INFO","EDM - Erase Displayed Memory"),this.displayedMemory.reset(),this.outputDataUpdate(!0)},t.ccCR=function(){wt.log("INFO","CR - Carriage Return"),this.writeScreen.rollUp(),this.outputDataUpdate(!0)},t.ccENM=function(){wt.log("INFO","ENM - Erase Non-displayed Memory"),this.nonDisplayedMemory.reset()},t.ccEOC=function(){if(wt.log("INFO","EOC - End Of Caption"),"MODE_POP-ON"===this.mode){var e=this.displayedMemory;this.displayedMemory=this.nonDisplayedMemory,this.nonDisplayedMemory=e,this.writeScreen=this.nonDisplayedMemory,wt.log("TEXT","DISP: "+this.displayedMemory.getDisplayText())}this.outputDataUpdate(!0)},t.ccTO=function(e){wt.log("INFO","TO("+e+") - Tab Offset"),this.writeScreen.moveCursor(e)},t.ccMIDROW=function(e){var t={flash:!1};if(t.underline=e%2==1,t.italics=e>=46,t.italics)t.foreground="white";else{var r=Math.floor(e/2)-16;t.foreground=["white","green","blue","cyan","red","yellow","magenta"][r]}wt.log("INFO","MIDROW: "+JSON.stringify(t)),this.writeScreen.setPen(t)},t.outputDataUpdate=function(e){void 0===e&&(e=!1);var t=wt.time;null!==t&&this.outputFilter&&(null!==this.cueStartTime||this.displayedMemory.isEmpty()?this.displayedMemory.equals(this.lastOutputScreen)||(this.outputFilter.newCue(this.cueStartTime,t,this.lastOutputScreen),e&&this.outputFilter.dispatchCue&&this.outputFilter.dispatchCue(),this.cueStartTime=this.displayedMemory.isEmpty()?null:t):this.cueStartTime=t,this.lastOutputScreen.copy(this.displayedMemory))},t.cueSplitAtTime=function(e){this.outputFilter&&(this.displayedMemory.isEmpty()||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,e,this.displayedMemory),this.cueStartTime=e))},e}(),xt=function(){function e(e,t,r){this.field=void 0,this.outputs=void 0,this.channels=void 0,this.currChNr=void 0,this.lastCmdA=void 0,this.lastCmdB=void 0,this.lastTime=void 0,this.dataCounters=void 0,this.field=e||1,this.outputs=[t,r],this.channels=[new Ot(1,t),new Ot(2,r)],this.currChNr=-1,this.lastCmdA=null,this.lastCmdB=null,this.lastTime=null,this.dataCounters={padding:0,char:0,cmd:0,other:0}}var t=e.prototype;return t.getHandler=function(e){return this.channels[e].getHandler()},t.setHandler=function(e,t){this.channels[e].setHandler(t)},t.addData=function(e,t){var r,i,a,n=!1;this.lastTime=e,wt.setTime(e);for(var s=0;s<t.length;s+=2)if(i=127&t[s],a=127&t[s+1],0!==i||0!==a){if(wt.log("DATA","["+kt([t[s],t[s+1]])+"] -> ("+kt([i,a])+")"),(r=this.parseCmd(i,a))||(r=this.parseMidrow(i,a)),r||(r=this.parsePAC(i,a)),r||(r=this.parseBackgroundAttributes(i,a)),!r)if(n=this.parseChars(i,a))if(this.currChNr&&this.currChNr>=0)this.channels[this.currChNr-1].insertChars(n);else wt.log("WARNING","No channel found yet. TEXT-MODE?");r?this.dataCounters.cmd+=2:n?this.dataCounters.char+=2:(this.dataCounters.other+=2,wt.log("WARNING","Couldn't parse cleaned data "+kt([i,a])+" orig: "+kt([t[s],t[s+1]])))}else this.dataCounters.padding+=2},t.parseCmd=function(e,t){var r=null;if(!((20===e||28===e)&&t>=32&&t<=47)&&!((23===e||31===e)&&t>=33&&t<=35))return!1;if(e===this.lastCmdA&&t===this.lastCmdB)return this.lastCmdA=null,this.lastCmdB=null,wt.log("DEBUG","Repeated command ("+kt([e,t])+") is dropped"),!0;r=20===e||23===e?1:2;var i=this.channels[r-1];return 20===e||28===e?32===t?i.ccRCL():33===t?i.ccBS():34===t?i.ccAOF():35===t?i.ccAON():36===t?i.ccDER():37===t?i.ccRU(2):38===t?i.ccRU(3):39===t?i.ccRU(4):40===t?i.ccFON():41===t?i.ccRDC():42===t?i.ccTR():43===t?i.ccRTD():44===t?i.ccEDM():45===t?i.ccCR():46===t?i.ccENM():47===t&&i.ccEOC():i.ccTO(t-32),this.lastCmdA=e,this.lastCmdB=t,this.currChNr=r,!0},t.parseMidrow=function(e,t){var r=null;return(17===e||25===e)&&t>=32&&t<=47&&((r=17===e?1:2)!==this.currChNr?(wt.log("ERROR","Mismatch channel in midrow parsing"),!1):(this.channels[r-1].ccMIDROW(t),wt.log("DEBUG","MIDROW ("+kt([e,t])+")"),!0))},t.parsePAC=function(e,t){var r,i=null;if(!((e>=17&&e<=23||e>=25&&e<=31)&&t>=64&&t<=127)&&!((16===e||24===e)&&t>=64&&t<=95))return!1;if(e===this.lastCmdA&&t===this.lastCmdB)return this.lastCmdA=null,this.lastCmdB=null,!0;r=e<=23?1:2,i=t>=64&&t<=95?1===r?Et[e]:_t[e]:1===r?St[e]:At[e];var a=this.interpretPAC(i,t);return this.channels[r-1].setPAC(a),this.lastCmdA=e,this.lastCmdB=t,this.currChNr=r,!0},t.interpretPAC=function(e,t){var r=t,i={color:null,italics:!1,indent:null,underline:!1,row:e};return r=t>95?t-96:t-64,i.underline=1==(1&r),r<=13?i.color=["white","green","blue","cyan","red","yellow","magenta","white"][Math.floor(r/2)]:r<=15?(i.italics=!0,i.color="white"):i.indent=4*Math.floor((r-16)/2),i},t.parseChars=function(e,t){var r=null,i=null,a=null;if(e>=25?(r=2,a=e-8):(r=1,a=e),a>=17&&a<=19){var n=t;n=17===a?t+80:18===a?t+112:t+144,wt.log("INFO","Special char '"+Tt(n)+"' in channel "+r),i=[n]}else e>=32&&e<=127&&(i=0===t?[e]:[e,t]);if(i){var s=kt(i);wt.log("DEBUG","Char codes =  "+s.join(",")),this.lastCmdA=null,this.lastCmdB=null}return i},t.parseBackgroundAttributes=function(e,t){var r,i,a;return((16===e||24===e)&&t>=32&&t<=47||(23===e||31===e)&&t>=45&&t<=47)&&(r={},16===e||24===e?(i=Math.floor((t-32)/2),r.background=Rt[i],t%2==1&&(r.background=r.background+"_semi")):45===t?r.background="transparent":(r.foreground="black",47===t&&(r.underline=!0)),a=e<24?1:2,this.channels[a-1].setBkgData(r),this.lastCmdA=null,this.lastCmdB=null,!0)},t.reset=function(){for(var e=0;e<this.channels.length;e++)this.channels[e]&&this.channels[e].reset();this.lastCmdA=null,this.lastCmdB=null},t.cueSplitAtTime=function(e){for(var t=0;t<this.channels.length;t++)this.channels[t]&&this.channels[t].cueSplitAtTime(e)},e}(),Pt=function(){function e(e,t){this.timelineController=void 0,this.trackName=void 0,this.startTime=void 0,this.endTime=void 0,this.screen=void 0,this.timelineController=e,this.trackName=t,this.startTime=null,this.endTime=null,this.screen=null}var t=e.prototype;return t.dispatchCue=function(){null!==this.startTime&&(this.timelineController.addCues(this.trackName,this.startTime,this.endTime,this.screen),this.startTime=null)},t.newCue=function(e,t,r){(null===this.startTime||this.startTime>e)&&(this.startTime=e),this.endTime=t,this.screen=r,this.timelineController.createCaptionsTrack(this.trackName)},e}(),Mt=function(e,t,r){return e.substr(r||0,t.length)===t},Ft=function(e){for(var t=5381,r=e.length;r;)t=33*t^e.charCodeAt(--r);return(t>>>0).toString()},Ut={parse:function(e,t,r,i,a,n){var s,o=Object(Ue.b)(new Uint8Array(e)).trim().replace(/\r\n|\n\r|\n|\r/g,"\n").split("\n"),u="00:00.000",d=0,c=0,h=0,f=[],g=!0,p=!1,v=new vt;v.oncue=function(e){var t=r[i],a=r.ccOffset;t&&t.new&&(void 0!==c?a=r.ccOffset=t.start:function(e,t,r){var i=e[t],a=e[i.prevCC];if(!a||!a.new&&i.new)return e.ccOffset=e.presentationOffset=i.start,void(i.new=!1);for(;a&&a.new;)e.ccOffset+=i.start-a.start,i.new=!1,a=e[(i=a).prevCC];e.presentationOffset=r}(r,i,h)),h&&(a=h-r.presentationOffset),p&&(e.startTime+=a-c,e.endTime+=a-c),e.id=Ft(e.startTime.toString())+Ft(e.endTime.toString())+Ft(e.text),e.text=decodeURIComponent(encodeURIComponent(e.text)),e.endTime>0&&f.push(e)},v.onparsingerror=function(e){s=e},v.onflush=function(){s&&n?n(s):a(f)},o.forEach((function(e){if(g){if(Mt(e,"X-TIMESTAMP-MAP=")){g=!1,p=!0,e.substr(16).split(",").forEach((function(e){Mt(e,"LOCAL:")?u=e.substr(6):Mt(e,"MPEGTS:")&&(d=parseInt(e.substr(7)))}));try{t+(9e4*r[i].start||0)<0&&(t+=8589934592),d-=t,c=function(e){var t=parseInt(e.substr(-3)),r=parseInt(e.substr(-6,2)),i=parseInt(e.substr(-9,2)),a=e.length>9?parseInt(e.substr(0,e.indexOf(":"))):0;if(!(Object(l.a)(t)&&Object(l.a)(r)&&Object(l.a)(i)&&Object(l.a)(a)))throw Error("Malformed X-TIMESTAMP-MAP: Local:"+e);return t+=1e3*r,t+=6e4*i,t+=36e5*a}(u)/1e3,h=d/9e4}catch(e){p=!1,s=e}return}""===e&&(g=!1)}v.parse(e+"\n")})),v.flush()}};function Nt(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function Bt(e,t){return e&&e.label===t.name&&!(e.textTrack1||e.textTrack2)}var Gt=function(e){var t,r;function i(t){var r;if((r=e.call(this,t,u.a.MEDIA_ATTACHING,u.a.MEDIA_DETACHING,u.a.FRAG_PARSING_USERDATA,u.a.FRAG_DECRYPTED,u.a.MANIFEST_LOADING,u.a.MANIFEST_LOADED,u.a.FRAG_LOADED,u.a.INIT_PTS_FOUND)||this).media=null,r.config=void 0,r.enabled=!0,r.Cues=void 0,r.textTracks=[],r.tracks=[],r.initPTS=[],r.unparsedVttFrags=[],r.cueRanges=[],r.captionsTracks={},r.captionsProperties=void 0,r.cea608Parser=void 0,r.lastSn=-1,r.prevCC=-1,r.vttCCs=null,r.hls=t,r.config=t.config,r.Cues=t.config.cueHandler,r.captionsProperties={textTrack1:{label:r.config.captionsTextTrack1Label,languageCode:r.config.captionsTextTrack1LanguageCode},textTrack2:{label:r.config.captionsTextTrack2Label,languageCode:r.config.captionsTextTrack2LanguageCode}},r.config.enableCEA708Captions){var i=new Pt(Nt(r),"textTrack1"),a=new Pt(Nt(r),"textTrack2");r.cea608Parser=new xt(0,i,a)}return r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.addCues=function(e,t,r,i){for(var a,n,s,o,l=this.cueRanges,u=!1,d=l.length;d--;){var c=l[d],h=(a=c[0],n=c[1],s=t,o=r,Math.min(n,o)-Math.max(a,s));if(h>=0&&(c[0]=Math.min(c[0],t),c[1]=Math.max(c[1],r),u=!0,h/(r-t)>.5))return}u||l.push([t,r]),this.Cues.newCue(this.captionsTracks[e],t,r,i)},a.onInitPtsFound=function(e){var t=this,r=e.frag,i=e.id,a=e.initPTS,n=this.unparsedVttFrags;"main"===i&&(this.initPTS[r.cc]=a),n.length&&(this.unparsedVttFrags=[],n.forEach((function(e){t.onFragLoaded(e)})))},a.getExistingTrack=function(e){var t=this.media;if(t)for(var r=0;r<t.textTracks.length;r++){var i=t.textTracks[r];if(i[e])return i}return null},a.createCaptionsTrack=function(e){var t=this.captionsProperties,r=this.captionsTracks,i=this.media,a=t[e],n=a.label,s=a.languageCode;if(!r[e]){var o=this.getExistingTrack(e);if(o)r[e]=o,Be(r[e]),Ne(r[e],i);else{var l=this.createTextTrack("captions",n,s);l&&(l[e]=!0,r[e]=l)}}},a.createTextTrack=function(e,t,r){var i=this.media;if(i)return i.addTextTrack(e,t,r)},a.destroy=function(){e.prototype.destroy.call(this)},a.onMediaAttaching=function(e){this.media=e.media,this._cleanTracks()},a.onMediaDetaching=function(){var e=this.captionsTracks;Object.keys(e).forEach((function(t){Be(e[t]),delete e[t]}))},a.onManifestLoading=function(){this.lastSn=-1,this.prevCC=-1,this.vttCCs={ccOffset:0,presentationOffset:0,0:{start:0,prevCC:-1,new:!1}},this._cleanTracks()},a._cleanTracks=function(){var e=this.media;if(e){var t=e.textTracks;if(t)for(var r=0;r<t.length;r++)Be(t[r])}},a.onManifestLoaded=function(e){var t=this;if(this.textTracks=[],this.unparsedVttFrags=this.unparsedVttFrags||[],this.initPTS=[],this.cueRanges=[],this.config.enableWebVTT){this.tracks=e.subtitles||[];var r=this.media?this.media.textTracks:[];this.tracks.forEach((function(e,i){var a;if(i<r.length){for(var n=null,s=0;s<r.length;s++)if(Bt(r[s],e)){n=r[s];break}n&&(a=n)}a||(a=t.createTextTrack("subtitles",e.name,e.lang)),e.default?a.mode=t.hls.subtitleDisplay?"showing":"hidden":a.mode="disabled",t.textTracks.push(a)}))}},a.onFragLoaded=function(e){var t=e.frag,r=e.payload,i=this.cea608Parser,a=this.initPTS,n=this.lastSn,s=this.unparsedVttFrags;if("main"===t.type){var o=t.sn;t.sn!==n+1&&i&&i.reset(),this.lastSn=o}else if("subtitle"===t.type)if(r.byteLength){if(!Object(l.a)(a[t.cc]))return s.push(e),void(a.length&&this.hls.trigger(u.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t}));var d=t.decryptdata;null!=d&&null!=d.key&&"AES-128"===d.method||this._parseVTTs(t,r)}else this.hls.trigger(u.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t})},a._parseVTTs=function(e,t){var r=this.hls,i=this.prevCC,a=this.textTracks,n=this.vttCCs;n[e.cc]||(n[e.cc]={start:e.start,prevCC:i,new:!0},this.prevCC=e.cc),Ut.parse(t,this.initPTS[e.cc],n,e.cc,(function(t){var i=a[e.level];"disabled"!==i.mode?(t.forEach((function(e){if(!i.cues.getCueById(e.id))try{if(i.addCue(e),!i.cues.getCueById(e.id))throw new Error("addCue is failed for: "+e)}catch(r){d.b.debug("Failed occurred on adding cues: "+r);var t=new window.TextTrackCue(e.startTime,e.endTime,e.text);t.id=e.id,i.addCue(t)}})),r.trigger(u.a.SUBTITLE_FRAG_PROCESSED,{success:!0,frag:e})):r.trigger(u.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:e})}),(function(t){d.b.log("Failed to parse VTT cue: "+t),r.trigger(u.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:e})}))},a.onFragDecrypted=function(e){var t=e.frag,r=e.payload;if("subtitle"===t.type){if(!Object(l.a)(this.initPTS[t.cc]))return void this.unparsedVttFrags.push(e);this._parseVTTs(t,r)}},a.onFragParsingUserdata=function(e){if(this.enabled&&this.cea608Parser)for(var t=0;t<e.samples.length;t++){var r=e.samples[t].bytes;if(r){var i=this.extractCea608Data(r);this.cea608Parser.addData(e.samples[t].pts,i)}}},a.extractCea608Data=function(e){for(var t,r,i,a=31&e[0],n=2,s=[],o=0;o<a;o++)t=e[n++],r=127&e[n++],i=127&e[n++],0===r&&0===i||0!=(4&t)&&0===(3&t)&&(s.push(r),s.push(i));return s},i}(h);function Kt(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}function jt(e){for(var t=[],r=0;r<e.length;r++){var i=e[r];"subtitles"===i.kind&&i.label&&t.push(e[r])}return t}var Ht=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,u.a.MEDIA_ATTACHED,u.a.MEDIA_DETACHING,u.a.MANIFEST_LOADED,u.a.SUBTITLE_TRACK_LOADED)||this).tracks=[],r.trackId=-1,r.media=null,r.stopped=!0,r.subtitleDisplay=!0,r.queuedDefaultTrack=null,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,o=i.prototype;return o.destroy=function(){h.prototype.destroy.call(this)},o.onMediaAttached=function(e){var t=this;this.media=e.media,this.media&&(Object(l.a)(this.queuedDefaultTrack)&&(this.subtitleTrack=this.queuedDefaultTrack,this.queuedDefaultTrack=null),this.trackChangeListener=this._onTextTracksChanged.bind(this),this.useTextTrackPolling=!(this.media.textTracks&&"onchange"in this.media.textTracks),this.useTextTrackPolling?this.subtitlePollingInterval=setInterval((function(){t.trackChangeListener()}),500):this.media.textTracks.addEventListener("change",this.trackChangeListener))},o.onMediaDetaching=function(){this.media&&(this.useTextTrackPolling?clearInterval(this.subtitlePollingInterval):this.media.textTracks.removeEventListener("change",this.trackChangeListener),Object(l.a)(this.subtitleTrack)&&(this.queuedDefaultTrack=this.subtitleTrack),jt(this.media.textTracks).forEach((function(e){Be(e)})),this.subtitleTrack=-1,this.media=null)},o.onManifestLoaded=function(e){var t=this,r=e.subtitles||[];this.tracks=r,this.hls.trigger(u.a.SUBTITLE_TRACKS_UPDATED,{subtitleTracks:r}),r.forEach((function(e){e.default&&(t.media?t.subtitleTrack=e.id:t.queuedDefaultTrack=e.id)}))},o.onSubtitleTrackLoaded=function(e){var t=this,r=e.id,i=e.details,a=this.trackId,n=this.tracks,s=n[a];if(r>=n.length||r!==a||!s||this.stopped)this._clearReloadTimer();else if(d.b.log("subtitle track "+r+" loaded"),i.live){var o=ne(s.details,i,e.stats.trequest);d.b.log("Reloading live subtitle playlist in "+o+"ms"),this.timer=setTimeout((function(){t._loadCurrentTrack()}),o)}else this._clearReloadTimer()},o.startLoad=function(){this.stopped=!1,this._loadCurrentTrack()},o.stopLoad=function(){this.stopped=!0,this._clearReloadTimer()},o._clearReloadTimer=function(){this.timer&&(clearTimeout(this.timer),this.timer=null)},o._loadCurrentTrack=function(){var e=this.trackId,t=this.tracks,r=this.hls,i=t[e];e<0||!i||i.details&&!i.details.live||(d.b.log("Loading subtitle track "+e),r.trigger(u.a.SUBTITLE_TRACK_LOADING,{url:i.url,id:e}))},o._toggleTrackModes=function(e){var t=this.media,r=this.subtitleDisplay,i=this.trackId;if(t){var a=jt(t.textTracks);if(-1===e)[].slice.call(a).forEach((function(e){e.mode="disabled"}));else{var n=a[i];n&&(n.mode="disabled")}var s=a[e];s&&(s.mode=r?"showing":"hidden")}},o._setSubtitleTrackInternal=function(e){var t=this.hls,r=this.tracks;!Object(l.a)(e)||e<-1||e>=r.length||(this.trackId=e,d.b.log("Switching to subtitle track "+e),t.trigger(u.a.SUBTITLE_TRACK_SWITCH,{id:e}),this._loadCurrentTrack())},o._onTextTracksChanged=function(){if(this.media){for(var e=-1,t=jt(this.media.textTracks),r=0;r<t.length;r++)if("hidden"===t[r].mode)e=r;else if("showing"===t[r].mode){e=r;break}this.subtitleTrack=e}},a=i,(n=[{key:"subtitleTracks",get:function(){return this.tracks}},{key:"subtitleTrack",get:function(){return this.trackId},set:function(e){this.trackId!==e&&(this._toggleTrackModes(e),this._setSubtitleTrackInternal(e))}}])&&Kt(a.prototype,n),s&&Kt(a,s),i}(h),Vt=r(7);var Yt,Wt=window.performance,qt=function(e){var t,r;function i(t,r){var i;return(i=e.call(this,t,u.a.MEDIA_ATTACHED,u.a.MEDIA_DETACHING,u.a.ERROR,u.a.KEY_LOADED,u.a.FRAG_LOADED,u.a.SUBTITLE_TRACKS_UPDATED,u.a.SUBTITLE_TRACK_SWITCH,u.a.SUBTITLE_TRACK_LOADED,u.a.SUBTITLE_FRAG_PROCESSED,u.a.LEVEL_UPDATED)||this).fragmentTracker=r,i.config=t.config,i.state=ve,i.tracks=[],i.tracksBuffered=[],i.currentTrackId=-1,i.decrypter=new Vt.a(t,t.config),i.lastAVStart=0,i._onMediaSeeking=i.onMediaSeeking.bind(function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(i)),i}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.onSubtitleFragProcessed=function(e){var t=e.frag,r=e.success;if(this.fragPrevious=t,this.state=ye,r){var i=this.tracksBuffered[this.currentTrackId];if(i){for(var a,n=t.start,s=0;s<i.length;s++)if(n>=i[s].start&&n<=i[s].end){a=i[s];break}var o=t.start+t.duration;a?a.end=o:(a={start:n,end:o},i.push(a))}}},a.onMediaAttached=function(e){var t=e.media;this.media=t,t.addEventListener("seeking",this._onMediaSeeking),this.state=ye},a.onMediaDetaching=function(){var e=this;this.media&&(this.media.removeEventListener("seeking",this._onMediaSeeking),this.fragmentTracker.removeAllFragments(),this.currentTrackId=-1,this.tracks.forEach((function(t){e.tracksBuffered[t.id]=[]})),this.media=null,this.state=ve)},a.onError=function(e){var t=e.frag;t&&"subtitle"===t.type&&(this.state=ye)},a.onSubtitleTracksUpdated=function(e){var t=this;d.b.log("subtitle tracks updated"),this.tracksBuffered=[],this.tracks=e.subtitleTracks,this.tracks.forEach((function(e){t.tracksBuffered[e.id]=[]}))},a.onSubtitleTrackSwitch=function(e){if(this.currentTrackId=e.id,this.tracks&&this.tracks.length&&-1!==this.currentTrackId){var t=this.tracks[this.currentTrackId];t&&t.details&&this.setInterval(500)}else this.clearInterval()},a.onSubtitleTrackLoaded=function(e){var t=e.id,r=e.details,i=this.currentTrackId,a=this.tracks,n=a[i];t>=a.length||t!==i||!n||(r.live&&function(e,t,r){void 0===r&&(r=0);var i=-1;ae(e,t,(function(e,t,r){t.start=e.start,i=r}));var a=t.fragments;if(i<0)a.forEach((function(e){e.start+=r}));else for(var n=i+1;n<a.length;n++)a[n].start=a[n-1].start+a[n-1].duration}(n.details,r,this.lastAVStart),n.details=r,this.setInterval(500))},a.onKeyLoaded=function(){this.state===Te&&(this.state=ye)},a.onFragLoaded=function(e){var t=this.fragCurrent,r=e.frag.decryptdata,i=e.frag,a=this.hls;if(this.state===Ee&&t&&"subtitle"===e.frag.type&&t.sn===e.frag.sn&&e.payload.byteLength>0&&r&&r.key&&"AES-128"===r.method){var n=Wt.now();this.decrypter.decrypt(e.payload,r.key.buffer,r.iv.buffer,(function(e){var t=Wt.now();a.trigger(u.a.FRAG_DECRYPTED,{frag:i,payload:e,stats:{tstart:n,tdecrypt:t}})}))}},a.onLevelUpdated=function(e){var t=e.details.fragments;this.lastAVStart=t.length?t[0].start:0},a.doTick=function(){if(this.media)switch(this.state){case ye:var e=this.config,t=this.currentTrackId,r=this.fragmentTracker,i=this.media,a=this.tracks;if(!a||!a[t]||!a[t].details)break;var n,s=e.maxBufferHole,o=e.maxFragLookUpTolerance,l=Math.min(e.maxBufferLength,e.maxMaxBufferLength),c=V.bufferedInfo(this._getBuffered(),i.currentTime,s),h=c.end,f=c.len,g=a[t].details,p=g.fragments,v=p.length,m=p[v-1].start+p[v-1].duration;if(f>l)return;var y=this.fragPrevious;h<m?(y&&g.hasProgramDateTime&&(n=ue(p,y.endProgramDateTime,o)),n||(n=de(y,p,h,o))):n=p[v-1],n&&n.encrypted?(d.b.log("Loading key for "+n.sn),this.state=Te,this.hls.trigger(u.a.KEY_LOADING,{frag:n})):n&&r.getState(n)===N&&(this.fragCurrent=n,this.state=Ee,this.hls.trigger(u.a.FRAG_LOADING,{frag:n}))}else this.state=ye},a.stopLoad=function(){this.lastAVStart=0,e.prototype.stopLoad.call(this)},a._getBuffered=function(){return this.tracksBuffered[this.currentTrackId]||[]},a.onMediaSeeking=function(){this.fragPrevious=null},i}(Ie);!function(e){e.WIDEVINE="com.widevine.alpha",e.PLAYREADY="com.microsoft.playready"}(Yt||(Yt={}));var zt="undefined"!=typeof window&&window.navigator&&window.navigator.requestMediaKeySystemAccess?window.navigator.requestMediaKeySystemAccess.bind(window.navigator):null;function Xt(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var Qt=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,u.a.MEDIA_ATTACHED,u.a.MEDIA_DETACHED,u.a.MANIFEST_PARSED)||this)._widevineLicenseUrl=void 0,r._licenseXhrSetup=void 0,r._emeEnabled=void 0,r._requestMediaKeySystemAccess=void 0,r._config=void 0,r._mediaKeysList=[],r._media=null,r._hasSetMediaKeys=!1,r._requestLicenseFailureCount=0,r._onMediaEncrypted=function(e){d.b.log('Media is encrypted using "'+e.initDataType+'" init data type'),r._attemptSetMediaKeys(),r._generateRequestWithPreferredKeySession(e.initDataType,e.initData)},r._config=t.config,r._widevineLicenseUrl=r._config.widevineLicenseUrl,r._licenseXhrSetup=r._config.licenseXhrSetup,r._emeEnabled=r._config.emeEnabled,r._requestMediaKeySystemAccess=r._config.requestMediaKeySystemAccessFunc,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,l=i.prototype;return l.getLicenseServerUrl=function(e){switch(e){case Yt.WIDEVINE:if(!this._widevineLicenseUrl)break;return this._widevineLicenseUrl}throw new Error('no license server URL configured for key-system "'+e+'"')},l._attemptKeySystemAccess=function(e,t,r){var i=this,a=function(e,t,r){switch(e){case Yt.WIDEVINE:return function(e,t){var r={videoCapabilities:[]};return t.forEach((function(e){r.videoCapabilities.push({contentType:'video/mp4; codecs="'+e+'"'})})),[r]}(0,r);default:throw new Error("Unknown key-system: "+e)}}(e,0,r);d.b.log("Requesting encrypted media key-system access"),this.requestMediaKeySystemAccess(e,a).then((function(t){i._onMediaKeySystemAccessObtained(e,t)})).catch((function(t){d.b.error('Failed to obtain key-system "'+e+'" access:',t)}))},l._onMediaKeySystemAccessObtained=function(e,t){var r=this;d.b.log('Access for key-system "'+e+'" obtained');var i={mediaKeysSessionInitialized:!1,mediaKeySystemAccess:t,mediaKeySystemDomain:e};this._mediaKeysList.push(i),t.createMediaKeys().then((function(t){i.mediaKeys=t,d.b.log('Media-keys created for key-system "'+e+'"'),r._onMediaKeysCreated()})).catch((function(e){d.b.error("Failed to create media-keys:",e)}))},l._onMediaKeysCreated=function(){var e=this;this._mediaKeysList.forEach((function(t){t.mediaKeysSession||(t.mediaKeysSession=t.mediaKeys.createSession(),e._onNewMediaKeySession(t.mediaKeysSession))}))},l._onNewMediaKeySession=function(e){var t=this;d.b.log("New key-system session "+e.sessionId),e.addEventListener("message",(function(r){t._onKeySessionMessage(e,r.message)}),!1)},l._onKeySessionMessage=function(e,t){d.b.log("Got EME message event, creating license request"),this._requestLicense(t,(function(t){d.b.log("Received license data (length: "+(t?t.byteLength:t)+"), updating key-session"),e.update(t)}))},l._attemptSetMediaKeys=function(){if(!this._media)throw new Error("Attempted to set mediaKeys without first attaching a media element");if(!this._hasSetMediaKeys){var e=this._mediaKeysList[0];if(!e||!e.mediaKeys)return d.b.error("Fatal: Media is encrypted but no CDM access or no keys have been obtained yet"),void this.hls.trigger(u.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_KEYS,fatal:!0});d.b.log("Setting keys for encrypted media"),this._media.setMediaKeys(e.mediaKeys),this._hasSetMediaKeys=!0}},l._generateRequestWithPreferredKeySession=function(e,t){var r=this,i=this._mediaKeysList[0];if(!i)return d.b.error("Fatal: Media is encrypted but not any key-system access has been obtained yet"),void this.hls.trigger(u.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_ACCESS,fatal:!0});if(i.mediaKeysSessionInitialized)d.b.warn("Key-Session already initialized but requested again");else{var a=i.mediaKeysSession;if(!a)return d.b.error("Fatal: Media is encrypted but no key-session existing"),void this.hls.trigger(u.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_SESSION,fatal:!0});if(!t)return d.b.warn("Fatal: initData required for generating a key session is null"),void this.hls.trigger(u.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_INIT_DATA,fatal:!0});d.b.log('Generating key-session request for "'+e+'" init data type'),i.mediaKeysSessionInitialized=!0,a.generateRequest(e,t).then((function(){d.b.debug("Key-session generation succeeded")})).catch((function(e){d.b.error("Error generating key-session request:",e),r.hls.trigger(u.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_SESSION,fatal:!1})}))}},l._createLicenseXhr=function(e,t,r){var i=new XMLHttpRequest,a=this._licenseXhrSetup;try{if(a)try{a(i,e)}catch(t){i.open("POST",e,!0),a(i,e)}i.readyState||i.open("POST",e,!0)}catch(e){throw new Error("issue setting up KeySystem license XHR "+e)}return i.responseType="arraybuffer",i.onreadystatechange=this._onLicenseRequestReadyStageChange.bind(this,i,e,t,r),i},l._onLicenseRequestReadyStageChange=function(e,t,r,i){switch(e.readyState){case 4:if(200===e.status)this._requestLicenseFailureCount=0,d.b.log("License request succeeded"),"arraybuffer"!==e.responseType&&d.b.warn("xhr response type was not set to the expected arraybuffer for license request"),i(e.response);else{if(d.b.error("License Request XHR failed ("+t+"). Status: "+e.status+" ("+e.statusText+")"),this._requestLicenseFailureCount++,this._requestLicenseFailureCount>3)return void this.hls.trigger(u.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0});var a=3-this._requestLicenseFailureCount+1;d.b.warn("Retrying license request, "+a+" attempts left"),this._requestLicense(r,i)}}},l._generateLicenseRequestChallenge=function(e,t){switch(e.mediaKeySystemDomain){case Yt.WIDEVINE:return t}throw new Error("unsupported key-system: "+e.mediaKeySystemDomain)},l._requestLicense=function(e,t){d.b.log("Requesting content license for key-system");var r=this._mediaKeysList[0];if(!r)return d.b.error("Fatal error: Media is encrypted but no key-system access has been obtained yet"),void this.hls.trigger(u.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_ACCESS,fatal:!0});try{var i=this.getLicenseServerUrl(r.mediaKeySystemDomain),a=this._createLicenseXhr(i,e,t);d.b.log("Sending license request to URL: "+i);var n=this._generateLicenseRequestChallenge(r,e);a.send(n)}catch(e){d.b.error("Failure requesting DRM license: "+e),this.hls.trigger(u.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0})}},l.onMediaAttached=function(e){if(this._emeEnabled){var t=e.media;this._media=t,t.addEventListener("encrypted",this._onMediaEncrypted)}},l.onMediaDetached=function(){this._media&&(this._media.removeEventListener("encrypted",this._onMediaEncrypted),this._media=null)},l.onManifestParsed=function(e){if(this._emeEnabled){var t=e.levels.map((function(e){return e.audioCodec})),r=e.levels.map((function(e){return e.videoCodec}));this._attemptKeySystemAccess(Yt.WIDEVINE,t,r)}},a=i,(n=[{key:"requestMediaKeySystemAccess",get:function(){if(!this._requestMediaKeySystemAccess)throw new Error("No requestMediaKeySystemAccess function configured");return this._requestMediaKeySystemAccess}}])&&Xt(a.prototype,n),s&&Xt(a,s),i}(h);function $t(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}var Jt=function(e){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{},i=Object.keys(r);"function"==typeof Object.getOwnPropertySymbols&&(i=i.concat(Object.getOwnPropertySymbols(r).filter((function(e){return Object.getOwnPropertyDescriptor(r,e).enumerable})))),i.forEach((function(t){$t(e,t,r[t])}))}return e}({autoStartLoad:!0,startPosition:-1,defaultAudioCodec:void 0,debug:!1,capLevelOnFPSDrop:!1,capLevelToPlayerSize:!1,initialLiveManifestSize:1,maxBufferLength:30,maxBufferSize:6e7,maxBufferHole:.5,overlayKey:void 0,overlayIv:void 0,dKeyDebug:!1,lowBufferWatchdogPeriod:.5,highBufferWatchdogPeriod:3,nudgeOffset:.1,nudgeMaxRetry:3,maxFragLookUpTolerance:.25,liveSyncDurationCount:3,liveMaxLatencyDurationCount:1/0,liveSyncDuration:void 0,liveMaxLatencyDuration:void 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0,abrController:Ye,bufferController:qe,capLevelController:Xe,fpsController:$e,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:zt},function(){0;return{cueHandler:i,enableCEA708Captions:!0,enableWebVTT:!0,captionsTextTrack1Label:"English",captionsTextTrack1LanguageCode:"en",captionsTextTrack2Label:"Spanish",captionsTextTrack2LanguageCode:"es"}}(),{subtitleStreamController:qt,subtitleTrackController:Ht,timelineController:Gt,audioStreamController:st,audioTrackController:it,emeController:Qt});function Zt(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}function er(e){if(void 0===e)throw new 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a.destroy=function(){d.b.log("destroy"),this.trigger(u.a.DESTROYING),this.detachMedia(),this.coreComponents.concat(this.networkControllers).forEach((function(e){e.destroy()})),this.url=null,this.removeAllListeners(),this._autoLevelCapping=-1},a.attachMedia=function(e){d.b.log("attachMedia"),this.media=e,this.trigger(u.a.MEDIA_ATTACHING,{media:e})},a.detachMedia=function(){d.b.log("detachMedia"),this.trigger(u.a.MEDIA_DETACHING),this.media=null},a.loadSource=function(e){e=s.buildAbsoluteURL(window.location.href,e,{alwaysNormalize:!0}),d.b.log("loadSource:"+e),this.url=e,this.trigger(u.a.MANIFEST_LOADING,{url:e})},a.startLoad=function(e){void 0===e&&(e=-1),d.b.log("startLoad("+e+")"),this.networkControllers.forEach((function(t){t.startLoad(e)}))},a.stopLoad=function(){d.b.log("stopLoad"),this.networkControllers.forEach((function(e){e.stopLoad()}))},a.swapAudioCodec=function(){d.b.log("swapAudioCodec"),this.streamController.swapAudioCodec()},a.recoverMediaError=function(){d.b.log("recoverMediaError");var e=this.media;this.detachMedia(),e&&this.attachMedia(e)},rr(i,[{key:"levels",get:function(){return this.levelController.levels}},{key:"currentLevel",get:function(){return this.streamController.currentLevel},set:function(e){d.b.log("set currentLevel:"+e),this.loadLevel=e,this.streamController.immediateLevelSwitch()}},{key:"nextLevel",get:function(){return this.streamController.nextLevel},set:function(e){d.b.log("set nextLevel:"+e),this.levelController.manualLevel=e,this.streamController.nextLevelSwitch()}},{key:"loadLevel",get:function(){return this.levelController.level},set:function(e){d.b.log("set 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