easystream-main/f_scripts/shared/videojs/videojs-hlsjs-plugin.js

/**
 * videojs-hlsjs-plugin
 * v1.0.15
 * 2020-06-29
 * www.streamroot.io
 * Copyright © 2018
 **/
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Int32Array(P.length),M=this.networkToHostOrderSwap;t<P.length;){for(h=M(P[t]),f=M(P[t+1]),g=M(P[t+2]),p=M(P[t+3]),l=h^S[0],u=p^S[1],d=g^S[2],c=f^S[3],v=4,m=1;m<b;m++)a=A[l>>>24]^k[u>>16&255]^w[d>>8&255]^L[255&c]^S[v],n=A[u>>>24]^k[d>>16&255]^w[c>>8&255]^L[255&l]^S[v+1],s=A[d>>>24]^k[c>>16&255]^w[l>>8&255]^L[255&u]^S[v+2],o=A[c>>>24]^k[l>>16&255]^w[u>>8&255]^L[255&d]^S[v+3],l=a,u=n,d=s,c=o,v+=4;a=_[l>>>24]<<24^_[u>>16&255]<<16^_[d>>8&255]<<8^_[255&c]^S[v],n=_[u>>>24]<<24^_[d>>16&255]<<16^_[c>>8&255]<<8^_[255&l]^S[v+1],s=_[d>>>24]<<24^_[c>>16&255]<<16^_[l>>8&255]<<8^_[255&u]^S[v+2],o=_[c>>>24]<<24^_[l>>16&255]<<16^_[u>>8&255]<<8^_[255&d]^S[v+3],v+=3,F[t]=M(a^O),F[t+1]=M(o^C),F[t+2]=M(s^I),F[t+3]=M(n^x),O=h,C=f,I=g,x=p,t+=4}return i?(y=F.buffer,E=y.byteLength,(T=E&&new DataView(y).getUint8(E-1))?y.slice(0,E-T):y):F.buffer},t.destroy=function(){this.key=void 0,this.keySize=void 0,this.ksRows=void 0,this.sBox=void 0,this.invSBox=void 0,this.subMix=void 0,this.invSubMix=void 0,this.keySchedule=void 0,this.invKeySchedule=void 0,this.rcon=void 0},e}(),n=r("./src/errors.ts"),d=r("./src/utils/logger.js"),s=r("./src/events.js"),i=r("./src/utils/get-self-scope.js"),c=Object(i.getSelfScope)(),a=function(){function e(e,t,r){var i=(void 0===r?{}:r).removePKCS7Padding,a=void 0===i||i;if(this.logEnabled=!0,this.observer=e,this.config=t,this.removePKCS7Padding=a)try{var n=c.crypto;n&&(this.subtle=n.subtle||n.webkitSubtle)}catch(e){}this.disableWebCrypto=!this.subtle}var t=e.prototype;return t.isSync=function(){return this.disableWebCrypto&&this.config.enableSoftwareAES},t.decrypt=function(t,r,i,a){var e,n,s=this;this.disableWebCrypto&&this.config.enableSoftwareAES?(this.logEnabled&&(d.logger.log("JS AES decrypt"),this.logEnabled=!1),(e=this.decryptor)||(this.decryptor=e=new u),e.expandKey(r),a(e.decrypt(t,0,i,this.removePKCS7Padding))):(this.logEnabled&&(d.logger.log("WebCrypto AES 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J=r("./src/events.js"),Z=r("./src/errors.ts"),p=r("./src/crypt/decrypter.js"),g=r("./src/polyfills/number-isFinite.js"),ee=r("./src/utils/logger.js"),i=r("./src/utils/get-self-scope.js");function a(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 v(e,t){return!!(t+1<e.length&&a(e,t))}function m(e,t,r,i,a){var n;e.samplerate||(n=function(e,t,r,i){var a,n,s,o=navigator.userAgent.toLowerCase(),l=i,u=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],d=1+((192&t[r+2])>>>6),c=(60&t[r+2])>>>2;if(!(u.length-1<c))return n=(1&t[r+2])<<2,n|=(192&t[r+3])>>>6,ee.logger.log("manifest codec:"+i+",ADTS data:type:"+d+",sampleingIndex:"+c+"["+u[c]+"Hz],channelConfig:"+n),a=/firefox/i.test(o)?6<=c?(d=5,s=new Array(4),c-3):(d=2,s=new Array(2),c):-1!==o.indexOf("android")?(d=2,s=new Array(2),c):(d=5,s=new Array(4),i&&(-1!==i.indexOf("mp4a.40.29")||-1!==i.indexOf("mp4a.40.5"))||!i&&6<=c?c-3:((i&&-1!==i.indexOf("mp4a.40.2")&&(6<=c&&1==n||/vivaldi/i.test(o))||!i&&1==n)&&(d=2,s=new Array(2)),c)),s[0]=d<<3,s[0]|=(14&c)>>1,s[1]|=(1&c)<<7,s[1]|=n<<3,5===d&&(s[1]|=(14&a)>>1,s[2]=(1&a)<<7,s[2]|=8,s[3]=0),{config:s,samplerate:u[c],channelCount:n,codec:"mp4a.40."+d,manifestCodec:l};e.trigger(J.default.ERROR,{type:Z.ErrorTypes.MEDIA_ERROR,details:Z.ErrorDetails.FRAG_PARSING_ERROR,fatal:!0,reason:"invalid ADTS sampling index:"+c})}(t,r,i,a),e.config=n.config,e.samplerate=n.samplerate,e.channelCount=n.channelCount,e.codec=n.codec,e.manifestCodec=n.manifestCodec,ee.logger.log("parsed codec:"+e.codec+",rate:"+n.samplerate+",nb channel:"+n.channelCount))}function y(e){return 9216e4/e}function E(e,t,r,i,a){var n=function(e,t,r,i,a){var n=e.length,s=d(e,t),o=c(e,t);if(0<(o-=s)&&t+s+o<=n)return{headerLength:s,frameLength:o,stamp:r+i*a}}(t,r,i,a,y(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 w=r("./src/demux/id3.js"),_=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=(w.default.getID3Data(e,0)||[]).length,r=e.length;t<r;t++)if(function(e,t){if(v(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&&a(e,i))return 1}}(e,t))return ee.logger.log("ADTS sync word found !"),!0;return!1},t.append=function(e,t,r,i){for(var a=this._audioTrack,n=w.default.getID3Data(e,0)||[],s=w.default.getTimeStamp(n),o=Object(g.isFiniteNumber)(s)?90*s:9e4*t,l=0,u=o,d=e.length,c=n.length,h=[{pts:u,dts:u,data:n}];c<d-1;)if(v(e,c)&&c+5<d){m(a,this.observer,e,c,a.manifestCodec);var f=E(a,e,c,o,l);if(!f){ee.logger.log("Unable to parse AAC frame");break}c+=f.length,u=f.sample.pts,l++}else w.default.isHeader(e,c)?(n=w.default.getID3Data(e,c),h.push({pts:u,dts:u,data:n}),c+=n.length):c++;this.remuxer.remux(a,{samples:[]},{samples:h,inputTimeScale:9e4},{samples:[]},t,r,i)},t.destroy=function(){},e}(),R=r("./src/demux/mp4demuxer.js"),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}},b=T,L=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||(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 32<e&&ee.logger.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=t,0<this.bitsAvailable?this.word<<=t:0<this.bytesAvailable&&this.loadWord(),0<(t=e-t)&&this.bitsAvailable?r<<t|this.readBits(t):r},t.skipLZ=function(){for(var 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){for(var t=8,r=8,i=0;i<e;i++)0!==r&&(r=(t+this.readEG()+256)%256),t=0===r?t:r},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 E=f();if(3===E&&p(1),m(),m(),p(1),g())for(n=3!==E?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 b=[1,1];if(g()&&g())switch(c()){case 1:b=[1,1];break;case 2:b=[12,11];break;case 3:b=[10,11];break;case 4:b=[16,11];break;case 5:b=[40,33];break;case 6:b=[24,11];break;case 7:b=[20,11];break;case 8:b=[32,11];break;case 9:b=[80,33];break;case 10:b=[18,11];break;case 11:b=[15,11];break;case 12:b=[64,33];break;case 13:b=[160,99];break;case 14:b=[4,3];break;case 15:b=[3,2];break;case 16:b=[2,1];break;case 255:b=[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:b}},t.readSliceType=function(){return this.readUByte(),this.readUEG(),this.readUEG()},e}(),n=function(){function e(e,t,r,i){this.decryptdata=r,this.discardEPB=i,this.decrypter=new p.default(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(t,r,i,a){var n=t[r].unit,e=n.subarray(16,n.length-n.length%16),s=e.buffer.slice(e.byteOffset,e.byteOffset+e.length),o=this;this.decryptBuffer(s,function(e){e=new Uint8Array(e),n.set(e,16),a||o.decryptAacSamples(t,r+1,i)})},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(t,r,i,a,n,s){var o=this.discardEPB(n.data),e=this.getAvcEncryptedData(o),l=this;this.decryptBuffer(e.buffer,function(e){n.data=l.getAvcDecryptedUnit(o,e),s||l.decryptAvcSamples(t,r,i+1,a)})},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}(),s={video:1,audio:2,id3:3,text:4},A=function(){function C(e,t,r,i){this.observer=e,this.config=r,this.typeSupported=i,this.remuxer=t,this.sampleAes=null}var e=C.prototype;return e.setDecryptData=function(e){null!=e&&null!=e.key&&"SAMPLE-AES"===e.method?this.sampleAes=new n(this.observer,this.config,e,this.discardEPB):this.sampleAes=null},C.probe=function(e){var t=C._syncOffset(e);return!(t<0)&&(t&&ee.logger.warn("MPEG2-TS detected but first sync word found @ offset "+t+", junk ahead ?"),!0)},C._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},C.createTrack=function(e,t){return{container:"video"===e||"audio"===e?"video/mp2t":void 0,type:e,id:s[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}},e.resetInitSegment=function(e,t,r,i){this.pmtParsed=!1,this._pmtId=-1,this._avcTrack=C.createTrack("video",i),this._audioTrack=C.createTrack("audio",i),this._id3Track=C.createTrack("id3",i),this._txtTrack=C.createTrack("text",i),this.aacOverFlow=null,this.aacLastPTS=null,this.avcSample=null,this.audioCodec=t,this.videoCodec=r,this._duration=i},e.resetTimeStamp=function(){},e.append=function(e,t,r,i){var a,n,s,o,l,u=e.length,d=!1;this.contiguous=r;var c=this.pmtParsed,h=this._avcTrack,f=this._audioTrack,g=this._id3Track,p=h.pid,v=f.pid,m=g.pid,y=this._pmtId,E=h.pesData,T=f.pesData,b=g.pesData,S=this._parsePAT,_=this._parsePMT,R=this._parsePES,A=this._parseAVCPES.bind(this),k=this._parseAACPES.bind(this),w=this._parseMPEGPES.bind(this),L=this._parseID3PES.bind(this),D=C._syncOffset(e);for(u-=(u+D)%188,a=D;a<u;a+=188)if(71===e[a]){if(n=!!(64&e[a+1]),s=((31&e[a+1])<<8)+e[a+2],1<(48&e[a+3])>>4){if((o=a+5+e[a+4])===a+188)continue}else o=a+4;switch(s){case p:n&&(E&&(l=R(E))&&A(l,!1),E={data:[],size:0}),E&&(E.data.push(e.subarray(o,a+188)),E.size+=a+188-o);break;case v:n&&(T&&(l=R(T))&&(f.isAAC?k:w)(l),T={data:[],size:0}),T&&(T.data.push(e.subarray(o,a+188)),T.size+=a+188-o);break;case m:n&&(b&&(l=R(b))&&L(l),b={data:[],size:0}),b&&(b.data.push(e.subarray(o,a+188)),b.size+=a+188-o);break;case 0:n&&(o+=e[o]+1),y=this._pmtId=S(e,o);break;case y:n&&(o+=e[o]+1);var O=_(e,o,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,null!=this.sampleAes);0<(p=O.avc)&&(h.pid=p),0<(v=O.audio)&&(f.pid=v,f.isAAC=O.isAAC),0<(m=O.id3)&&(g.pid=m),d&&!c&&(ee.logger.log("reparse from beginning"),d=!1,a=D-188),c=this.pmtParsed=!0;break;case 17:case 8191:break;default:d=!0}}else this.observer.trigger(J.default.ERROR,{type:Z.ErrorTypes.MEDIA_ERROR,details:Z.ErrorDetails.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});E&&(l=R(E))?(A(l,!0),h.pesData=null):h.pesData=E,T&&(l=R(T))?((f.isAAC?k:w)(l),f.pesData=null):(T&&T.size&&ee.logger.log("last AAC PES packet truncated,might overlap between fragments"),f.pesData=T),b&&(l=R(b))?(L(l),g.pesData=null):g.pesData=b,null==this.sampleAes?this.remuxer.remux(f,h,g,this._txtTrack,t,r,i):this.decryptAndRemux(f,h,g,this._txtTrack,t,r,i)},e.decryptAndRemux=function(e,t,r,i,a,n,s){var o;e.samples&&e.isAAC?(o=this).sampleAes.decryptAacSamples(e.samples,0,function(){o.decryptAndRemuxAvc(e,t,r,i,a,n,s)}):this.decryptAndRemuxAvc(e,t,r,i,a,n,s)},e.decryptAndRemuxAvc=function(e,t,r,i,a,n,s){var o;t.samples?(o=this).sampleAes.decryptAvcSamples(t.samples,0,0,function(){o.remuxer.remux(e,t,r,i,a,n,s)}):this.remuxer.remux(e,t,r,i,a,n,s)},e.destroy=function(){this._initPTS=this._initDTS=void 0,this._duration=0},e._parsePAT=function(e,t){return(31&e[t+10])<<8|e[t+11]},e._parsePMT=function(e,t,r,i){var a,n={audio:-1,avc:-1,id3:-1,isAAC:!0},s=t+3+((15&e[t+1])<<8|e[t+2])-4;for(t+=12+((15&e[t+10])<<8|e[t+11]);t<s;){switch(a=(31&e[t+1])<<8|e[t+2],e[t]){case 207:if(!i){ee.logger.log("unknown stream type:"+e[t]);break}case 15:-1===n.audio&&(n.audio=a);break;case 21:-1===n.id3&&(n.id3=a);break;case 219:if(!i){ee.logger.log("unknown stream type:"+e[t]);break}case 27:-1===n.avc&&(n.avc=a);break;case 3:case 4:r?-1===n.audio&&(n.audio=a,n.isAAC=!1):ee.logger.log("MPEG audio found, not supported in this browser for now");break;case 36:ee.logger.warn("HEVC stream type found, not supported for now");break;default:ee.logger.log("unknown stream type:"+e[t])}t+=5+((15&e[t+3])<<8|e[t+4])}return n},e._parsePES=function(e){var t,r,i,a,n,s,o,l,u=0,d=e.data;if(!e||0===e.size)return null;for(;d[0].length<19&&1<d.length;){var c=new Uint8Array(d[0].length+d[1].length);c.set(d[0]),c.set(d[1],d[0].length),d[0]=c,d.splice(1,1)}if(1!==((t=d[0])[0]<<16)+(t[1]<<8)+t[2])return null;if((i=(t[4]<<8)+t[5])&&i>e.size-6)return null;if(192&(r=t[7])&&(4294967295<(s=536870912*(14&t[9])+4194304*(255&t[10])+16384*(254&t[11])+128*(255&t[12])+(254&t[13])/2)&&(s-=8589934592),64&r?(4294967295<(o=536870912*(14&t[14])+4194304*(255&t[15])+16384*(254&t[16])+128*(255&t[17])+(254&t[18])/2)&&(o-=8589934592),54e5<s-o&&(ee.logger.warn(Math.round((s-o)/9e4)+"s delta between PTS and DTS, align them"),s=o)):o=s),l=(a=t[8])+9,e.size<=l)return null;e.size-=l,n=new Uint8Array(e.size);for(var h=0,f=d.length;h<f;h++){var g=(t=d[h]).byteLength;if(l){if(g<l){l-=g;continue}t=t.subarray(l),g-=l,l=0}n.set(t,u),u+=g}return i&&(i-=a+3),{data:n,pts:s,dts:o,len:i}},e.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&&ee.logger.log(e.pts+"/"+e.dts+":"+e.debug)},e._parseAVCPES=function(m,e){function y(e,t,r,i){return{key:e,pts:t,dts:r,units:[],debug:i}}var E,T,b,S=this,_=this._avcTrack,t=this._parseAVCNALu(m.data),R=this.avcSample,A=!1,k=this.pushAccesUnit.bind(this);m.data=null,R&&t.length&&!_.audFound&&(k(R,_),R=this.avcSample=y(!1,m.pts,m.dts,"")),t.forEach(function(e){switch(e.type){case 1:T=!0,(R=R||(S.avcSample=y(!0,m.pts,m.dts,""))).frame=!0;var t,r=e.data;A&&4<r.length&&(2!==(t=new L(r).readSliceType())&&4!==t&&7!==t&&9!==t||(R.key=!0));break;case 5:T=!0,(R=R||(S.avcSample=y(!0,m.pts,m.dts,""))).key=!0,R.frame=!0;break;case 6:T=!0,(E=new L(S.discardEPB(e.data))).readUByte();for(var i=0,a=0,n=!1,s=0;!n&&1<E.bytesAvailable;){for(i=0;i+=s=E.readUByte(),255===s;);for(a=0;a+=s=E.readUByte(),255===s;);if(4===i&&0!==E.bytesAvailable){n=!0;if(181===E.readUByte())if(49===E.readUShort())if(1195456820===E.readUInt())if(3===E.readUByte()){var o=E.readUByte(),l=31&o,u=[o,E.readUByte()];for(b=0;b<l;b++)u.push(E.readUByte()),u.push(E.readUByte()),u.push(E.readUByte());S._insertSampleInOrder(S._txtTrack.samples,{type:3,pts:m.pts,bytes:u})}}else if(5===i&&0!==E.bytesAvailable){if(n=!0,16<a){var d=[];for(b=0;b<16;b++)d.push(E.readUByte().toString(16)),3!==b&&5!==b&&7!==b&&9!==b||d.push("-");var c=a-16,h=new Uint8Array(c);for(b=0;b<c;b++)h[b]=E.readUByte();S._insertSampleInOrder(S._txtTrack.samples,{pts:m.pts,payloadType:i,uuid:d.join(""),userDataBytes:h,userData:Object(w.utf8ArrayToStr)(h.buffer)})}}else if(a<E.bytesAvailable)for(b=0;b<a;b++)E.readUByte()}break;case 7:if(A=T=!0,!_.sps){var f=(E=new L(e.data)).readSPS();_.width=f.width,_.height=f.height,_.pixelRatio=f.pixelRatio,_.sps=[e.data],_.duration=S._duration;var g=e.data.subarray(1,4),p="avc1.";for(b=0;b<3;b++){var v=g[b].toString(16);v.length<2&&(v="0"+v),p+=v}_.codec=p}break;case 8:T=!0,_.pps||(_.pps=[e.data]);break;case 9:T=!1,_.audFound=!0,R&&k(R,_),R=S.avcSample=y(!1,m.pts,m.dts,"");break;case 12:T=!1;break;default:T=!1,R&&(R.debug+="unknown NAL "+e.type+" ")}R&&T&&R.units.push(e)}),e&&R&&(k(R,_),this.avcSample=null)},e._insertSampleInOrder=function(e,t){var r=e.length;if(0<r){if(t.pts>=e[r-1].pts)e.push(t);else for(var i=r-1;0<=i;i--)if(t.pts<e[i].pts){e.splice(i,0,t);break}}else e.push(t)},e._getLastNalUnit=function(){var e,t,r,i=this.avcSample;return i&&0!==i.units.length||(i=(e=this._avcTrack.samples)[e.length-1]),i&&(r=(t=i.units)[t.length-1]),r},e._parseAVCNALu=function(e){var t,r,i,a,n,s=0,o=e.byteLength,l=this._avcTrack,u=g=l.naluState||0,d=[],c=-1;for(-1===g&&(i=31&e[c=0],g=0,s=1);s<o;){var h,f,g,p=e[s++];g?g=1!==g?p?1===p?(0<=c?(r={data:e.subarray(c,s-g-1),type:i},d.push(r)):(h=this._getLastNalUnit())&&(u&&s<=4-u&&h.state&&(h.data=h.data.subarray(0,h.data.byteLength-u)),0<(t=s-g-1)&&((f=new Uint8Array(h.data.byteLength+t)).set(h.data,0),f.set(e.subarray(0,t),h.data.byteLength),h.data=f)),s<o?(i=31&e[c=s],0):-1):0:3:p?0:2:g=p?0:1}return 0<=c&&0<=g&&(r={data:e.subarray(c,o),type:i,state:g},d.push(r)),0!==d.length||(a=this._getLastNalUnit())&&((n=new Uint8Array(a.data.byteLength+e.byteLength)).set(a.data,0),n.set(e,a.data.byteLength),a.data=n),l.naluState=g,d},e.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);for(var s=0,n=0;n<t;s++,n++)s===a[0]&&(s++,a.shift()),r[n]=e[s];return r},e._parseAACPES=function(e){var t,r,i,a,n,s,o,l=this._audioTrack,u=e.data,d=e.pts,c=this.aacOverFlow,h=this.aacLastPTS;for(c&&((s=new Uint8Array(c.byteLength+u.byteLength)).set(c,0),s.set(u,c.byteLength),u=s),i=0,n=u.length;i<n-1&&!v(u,i);i++);if(i){var f,g=i<n-1?(f="AAC PES did not start with ADTS header,offset:"+i,!1):(f="no ADTS header found in AAC PES",!0);if(ee.logger.warn("parsing error:"+f),this.observer.trigger(J.default.ERROR,{type:Z.ErrorTypes.MEDIA_ERROR,details:Z.ErrorDetails.FRAG_PARSING_ERROR,fatal:g,reason:f}),g)return}for(m(l,this.observer,u,i,this.audioCodec),r=0,t=y(l.samplerate),c&&h&&(o=h+t,1<Math.abs(o-d)&&(ee.logger.log("AAC: align PTS for overlapping frames by "+Math.round((o-d)/90)),d=o));i<n;){if(v(u,i)){if(i+5<n){var p=E(l,u,i,d,r);if(p){i+=p.length,a=p.sample.pts,r++;continue}}break}i++}c=i<n?u.subarray(i,n):null,this.aacOverFlow=c,this.aacLastPTS=a},e._parseMPEGPES=function(e){for(var t=e.data,r=t.length,i=0,a=0,n=e.pts;a<r;)if(b.isHeader(t,a)){var s=b.appendFrame(this._audioTrack,t,a,n,i);if(!s)break;a+=s.length,i++}else a++},e._parseID3PES=function(e){this._id3Track.samples.push(e)},C}(),k=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=w.default.getID3Data(e,0);if(i&&void 0!==w.default.getTimeStamp(i))for(t=i.length,r=Math.min(e.length-1,t+100);t<r;t++)if(b.probe(e,t))return ee.logger.log("MPEG Audio sync word found !"),!0;return!1},t.append=function(e,t,r,i){for(var a=w.default.getID3Data(e,0),n=w.default.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(b.isHeader(e,o)){var f=b.appendFrame(c,e,o,s,u);if(!f)break;o+=f.length,d=f.sample.pts,u++}else w.default.isHeader(e,o)?(a=w.default.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}(),V=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}(),o=Math.pow(2,32)-1,te=function(){function h(){}return h.init=function(){var e;for(e in h.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:[]})h.types.hasOwnProperty(e)&&(h.types[e]=[e.charCodeAt(0),e.charCodeAt(1),e.charCodeAt(2),e.charCodeAt(3)]);var t=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]),r=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]);h.HDLR_TYPES={video:t,audio:r};var i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),a=new Uint8Array([0,0,0,0,0,0,0,0]);h.STTS=h.STSC=h.STCO=a,h.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),h.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),h.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),h.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var n=new Uint8Array([105,115,111,109]),s=new Uint8Array([97,118,99,49]),o=new Uint8Array([0,0,0,1]);h.FTYP=h.box(h.types.ftyp,n,o,n,s),h.DINF=h.box(h.types.dinf,h.box(h.types.dref,i))},h.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},h.hdlr=function(e){return h.box(h.types.hdlr,h.HDLR_TYPES[e])},h.mdat=function(e){return h.box(h.types.mdat,e)},h.mdhd=function(e,t){t*=e;var r=Math.floor(t/(1+o)),i=Math.floor(t%(1+o));return h.box(h.types.mdhd,new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,r>>24,r>>16&255,r>>8&255,255&r,i>>24,i>>16&255,i>>8&255,255&i,85,196,0,0]))},h.mdia=function(e){return h.box(h.types.mdia,h.mdhd(e.timescale,e.duration),h.hdlr(e.type),h.minf(e))},h.mfhd=function(e){return h.box(h.types.mfhd,new Uint8Array([0,0,0,0,e>>24,e>>16&255,e>>8&255,255&e]))},h.minf=function(e){return"audio"===e.type?h.box(h.types.minf,h.box(h.types.smhd,h.SMHD),h.DINF,h.stbl(e)):h.box(h.types.minf,h.box(h.types.vmhd,h.VMHD),h.DINF,h.stbl(e))},h.moof=function(e,t,r){return h.box(h.types.moof,h.mfhd(e),h.traf(r,t))},h.moov=function(e){for(var t=e.length,r=[];t--;)r[t]=h.trak(e[t]);return h.box.apply(null,[h.types.moov,h.mvhd(e[0].timescale,e[0].duration)].concat(r).concat(h.mvex(e)))},h.mvex=function(e){for(var t=e.length,r=[];t--;)r[t]=h.trex(e[t]);return h.box.apply(null,[h.types.mvex].concat(r))},h.mvhd=function(e,t){t*=e;var r=Math.floor(t/(1+o)),i=Math.floor(t%(1+o)),a=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,r>>24,r>>16&255,r>>8&255,255&r,i>>24,i>>16&255,i>>8&255,255&i,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 h.box(h.types.mvhd,a)},h.sdtp=function(e){for(var t,r=e.samples||[],i=new Uint8Array(4+r.length),a=0;a<r.length;a++)t=r[a].flags,i[a+4]=t.dependsOn<<4|t.isDependedOn<<2|t.hasRedundancy;return h.box(h.types.sdtp,i)},h.stbl=function(e){return h.box(h.types.stbl,h.stsd(e),h.box(h.types.stts,h.STTS),h.box(h.types.stsc,h.STSC),h.box(h.types.stsz,h.STSZ),h.box(h.types.stco,h.STCO))},h.avc1=function(e){for(var t,r,i=[],a=[],n=0;n<e.sps.length;n++)r=(t=e.sps[n]).byteLength,i.push(r>>>8&255),i.push(255&r),i=i.concat(Array.prototype.slice.call(t));for(n=0;n<e.pps.length;n++)r=(t=e.pps[n]).byteLength,a.push(r>>>8&255),a.push(255&r),a=a.concat(Array.prototype.slice.call(t));var s=h.box(h.types.avcC,new Uint8Array([1,i[3],i[4],i[5],255,224|e.sps.length].concat(i).concat([e.pps.length]).concat(a))),o=e.width,l=e.height,u=e.pixelRatio[0],d=e.pixelRatio[1];return h.box(h.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,o>>8&255,255&o,l>>8&255,255&l,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),s,h.box(h.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),h.box(h.types.pasp,new Uint8Array([u>>24,u>>16&255,u>>8&255,255&u,d>>24,d>>16&255,d>>8&255,255&d])))},h.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]))},h.mp4a=function(e){var t=e.samplerate;return h.box(h.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,t>>8&255,255&t,0,0]),h.box(h.types.esds,h.esds(e)))},h.mp3=function(e){var t=e.samplerate;return h.box(h.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,t>>8&255,255&t,0,0]))},h.stsd=function(e){return"audio"===e.type?e.isAAC||"mp3"!==e.codec?h.box(h.types.stsd,h.STSD,h.mp4a(e)):h.box(h.types.stsd,h.STSD,h.mp3(e)):h.box(h.types.stsd,h.STSD,h.avc1(e))},h.tkhd=function(e){var t=e.id,r=e.duration*e.timescale,i=e.width,a=e.height,n=Math.floor(r/(1+o)),s=Math.floor(r%(1+o));return h.box(h.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,0,0,0,0,n>>24,n>>16&255,n>>8&255,255&n,s>>24,s>>16&255,s>>8&255,255&s,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,i>>8&255,255&i,0,0,a>>8&255,255&a,0,0]))},h.traf=function(e,t){var r=h.sdtp(e),i=e.id,a=Math.floor(t/(1+o)),n=Math.floor(t%(1+o));return h.box(h.types.traf,h.box(h.types.tfhd,new Uint8Array([0,0,0,0,i>>24,i>>16&255,i>>8&255,255&i])),h.box(h.types.tfdt,new Uint8Array([1,0,0,0,a>>24,a>>16&255,a>>8&255,255&a,n>>24,n>>16&255,n>>8&255,255&n])),h.trun(e,r.length+16+20+8+16+8+8),r)},h.trak=function(e){return e.duration=e.duration||4294967295,h.box(h.types.trak,h.tkhd(e),h.mdia(e))},h.trex=function(e){var t=e.id;return h.box(h.types.trex,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},h.trun=function(e,t){var r,i,a,n,s,o,l=e.samples||[],u=l.length,d=12+16*u,c=new Uint8Array(d);for(t+=8+d,c.set([0,0,15,1,u>>>24&255,u>>>16&255,u>>>8&255,255&u,t>>>24&255,t>>>16&255,t>>>8&255,255&t],0),r=0;r<u;r++)a=(i=l[r]).duration,n=i.size,s=i.flags,o=i.cts,c.set([a>>>24&255,a>>>16&255,a>>>8&255,255&a,n>>>24&255,n>>>16&255,n>>>8&255,255&n,s.isLeading<<2|s.dependsOn,s.isDependedOn<<6|s.hasRedundancy<<4|s.paddingValue<<1|s.isNonSync,61440&s.degradPrio,15&s.degradPrio,o>>>24&255,o>>>16&255,o>>>8&255,255&o],12+16*r);return h.box(h.types.trun,c)},h.initSegment=function(e){h.types||h.init();var t=h.moov(e),r=new Uint8Array(h.FTYP.byteLength+t.byteLength);return r.set(h.FTYP),r.set(t,h.FTYP.byteLength),r},h}();function l(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 re(e,t){return void 0===t&&(t=!1),l(e,1e3,1/9e4,t)}function u(e,t){return void 0===t&&(t=1),l(e,9e4,1/t)}var S,Y=u(10),ie=u(.2),D=function(){function e(e,t,r,i){this.observer=e,this.config=t,this.typeSupported=r;var a=navigator.userAgent;this.isSafari=i&&-1<i.indexOf("Apple")&&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,i,a,n,s){var o,l,u,d,c,h,f,g;this.ISGenerated||this.generateIS(e,t,a),this.ISGenerated&&(o=e.samples.length,l=t.samples.length,d=u=a,o&&l&&(c=(e.samples[0].pts-t.samples[0].pts)/t.inputTimeScale,u+=Math.max(0,c),d+=Math.max(0,-c)),o?(e.timescale||(ee.logger.warn("regenerate InitSegment as audio detected"),this.generateIS(e,t,a)),h=this.remuxAudio(e,u,n,s),l&&(h&&(f=h.endPTS-h.startPTS),t.timescale||(ee.logger.warn("regenerate InitSegment as video detected"),this.generateIS(e,t,a)),this.remuxVideo(t,d,n,f,s))):!l||(g=this.remuxVideo(t,d,n,0,s))&&e.codec&&this.remuxEmptyAudio(e,u,n,g)),r.samples.length&&this.remuxID3(r,a),i.samples.length&&this.remuxText(i,a),this.observer.trigger(J.default.FRAG_PARSED)},t.generateIS=function(e,t,r){var i,a,n,s=this.observer,o=e.samples,l=t.samples,u=this.typeSupported,d="audio/mp4",c={},h={tracks:c},f=void 0===this._initPTS;f&&(i=a=1/0),e.config&&o.length&&(e.timescale=e.samplerate,ee.logger.log("audio sampling rate : "+e.samplerate),e.isAAC||(u.mpeg?(d="audio/mpeg",e.codec=""):u.mp3&&(e.codec="mp3")),c.audio={container:d,codec:e.codec,initSegment:!e.isAAC&&u.mpeg?new Uint8Array:te.initSegment([e]),metadata:{channelCount:e.channelCount}},f&&(i=a=o[0].pts-e.inputTimeScale*r)),t.sps&&t.pps&&l.length&&(n=t.inputTimeScale,t.timescale=n,c.video={container:"video/mp4",codec:t.codec,initSegment:te.initSegment([t]),metadata:{width:t.width,height:t.height}},f&&(i=Math.min(i,l[0].pts-n*r),a=Math.min(a,l[0].dts-n*r),this.observer.trigger(J.default.INIT_PTS_FOUND,{initPTS:i}))),Object.keys(c).length?(s.trigger(J.default.FRAG_PARSING_INIT_SEGMENT,h),this.ISGenerated=!0,f&&(this._initPTS=i,this._initDTS=a)):s.trigger(J.default.ERROR,{type:Z.ErrorTypes.MEDIA_ERROR,details:Z.ErrorDetails.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})},t.remuxVideo=function(e,t,r,i,a){var n,s,o,l,u,d=8,c=e.timescale,h=e.samples,f=[],g=h.length,p=this._PTSNormalize,v=this._initPTS,m=this.nextAvcDts,y=this.isSafari;if(0!==g){y&&(r|=h.length&&m&&(a&&Math.abs(t-m/c)<.1||Math.abs(h[0].pts-m-v)<c/5)),r||(m=t*c),h.forEach(function(e){e.pts=p(e.pts-v,m),e.dts=p(e.dts-v,m)}),h.sort(function(e,t){var r=e.dts-t.dts,i=e.pts-t.pts;return r||i||e.id-t.id});var E=h.reduce(function(e,t){return Math.max(Math.min(e,t.pts-t.dts),-1*ie)},0);if(E<0){ee.logger.warn("PTS < DTS detected in video samples, shifting DTS by "+re(E,!0)+" ms to overcome this issue");for(var T=0;T<h.length;T++)h[T].dts+=E}var b=h[0],S=Math.max(b.dts,0),_=Math.max(b.pts,0),R=S-m;r&&R&&(1<R?ee.logger.log("AVC: "+re(R,!0)+" ms hole between fragments detected,filling it"):R<-1&&ee.logger.log("AVC: "+re(-R,!0)+" ms overlapping between fragments detected"),S=m,h[0].dts=S,_=Math.max(_-R,m),h[0].pts=_,ee.logger.log("Video: PTS/DTS adjusted: "+re(_,!0)+"/"+re(S,!0)+", delta: "+re(R,!0)+" ms")),b=h[h.length-1],u=Math.max(b.dts,0),l=Math.max(b.pts,0,u),y&&(n=Math.round((u-S)/(h.length-1)));for(var A=0,k=0,w=0;w<g;w++){for(var L=h[w],D=L.units,O=D.length,C=0,I=0;I<O;I++)C+=D[I].data.length;k+=C,A+=O,L.length=C,L.dts=y?S+w*n:Math.max(L.dts,S),L.pts=Math.max(L.pts,L.dts)}var x=k+4*A+8;try{s=new Uint8Array(x)}catch(e){return void this.observer.trigger(J.default.ERROR,{type:Z.ErrorTypes.MUX_ERROR,details:Z.ErrorDetails.REMUX_ALLOC_ERROR,fatal:!1,bytes:x,reason:"fail allocating video mdat "+x})}var P=new DataView(s.buffer);P.setUint32(0,x),s.set(te.types.mdat,4);for(var F=0;F<g;F++){for(var M,N,U,B,G=h[F],j=G.units,K=0,H=void 0,V=0,Y=j.length;V<Y;V++){var W=j[V],q=W.data,z=W.data.byteLength;P.setUint32(d,z),d+=4,s.set(q,d),d+=z,K+=4+z}H=y?Math.max(0,n*Math.round((G.pts-G.dts)/n)):(F<g-1?n=h[F+1].dts-G.dts:(M=this.config,N=G.dts-h[0<F?F-1:F].dts,M.stretchShortVideoTrack?(U=M.maxBufferHole,Math.floor(U*c)<(B=(i?_+i*c:this.nextAudioPts)-G.pts)?((n=B-N)<0&&(n=N),ee.logger.log("It is approximately "+re(B,!1)+" ms to the next segment; using duration "+re(n,!1)+" ms for the last video frame.")):n=N):n=N),Math.round(G.pts-G.dts)),f.push({size:K,duration:n,cts:H,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:G.key?2:1,isNonSync:G.key?0:1}})}this.nextAvcDts=u+n;var X,Q=e.dropped;e.nbNalu=0,e.dropped=0,f.length&&-1<navigator.userAgent.toLowerCase().indexOf("chrome")&&((X=f[0].flags).dependsOn=2,X.isNonSync=0),e.samples=f,o=te.moof(e.sequenceNumber++,S,e),e.samples=[];var $={data1:o,data2:s,startPTS:_/c,endPTS:(l+n)/c,startDTS:S/c,endDTS:this.nextAvcDts/c,type:"video",hasAudio:!1,hasVideo:!0,nb:f.length,dropped:Q};return this.observer.trigger(J.default.FRAG_PARSING_DATA,$),$}},t.remuxAudio=function(e,t,r,i){var a,n,s,o,l,u=e.inputTimeScale,d=e.timescale,c=u/d,h=(e.isAAC?1024:1152)*c,f=this._PTSNormalize,g=this._initPTS,p=!e.isAAC&&this.typeSupported.mpeg,v=p?0:8,m=e.samples,y=[],E=this.nextAudioPts;if(r|=m.length&&E&&(i&&Math.abs(t-E/u)<.1||Math.abs(m[0].pts-E-g)<20*h),m.forEach(function(e){e.pts=e.dts=f(e.pts-g,t*u)}),0!==(m=m.filter(function(e){return 0<=e.pts})).length){if(r||(E=i?t*u:m[0].pts),e.isAAC)for(var T=this.config.maxAudioFramesDrift,b=0,S=E;b<m.length;){var _=m[b],R=_.pts-S;if(R<=-T*h)ee.logger.warn("Dropping 1 audio frame @ "+re(S,!0)+" ms due to "+re(R,!0)+" ms overlap."),m.splice(b,1);else if(T*h<=R&&R<Y&&S){var A=Math.round(R/h);ee.logger.warn("Injecting "+A+" audio frames @ "+re(S,!0)+" ms due to "+re(S,!0)+" ms gap.");for(var k=0;k<A;k++){var w,L=Math.max(S,0);(w=V.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(ee.logger.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),w=_.unit.subarray()),m.splice(b,0,{unit:w,pts:L,dts:L}),S+=h,b++}_.pts=_.dts=S,S+=h,b++}else Math.abs(R),_.pts=_.dts=S,S+=h,b++}for(var D=m.length,O=0;D--;)O+=m[D].unit.byteLength;for(var C=0,I=m.length;C<I;C++){var x=m[C],P=x.unit,F=x.pts;if(void 0!==l)a.duration=Math.round((F-l)/c);else{var M=F-E,N=0;if(r&&e.isAAC&&M){if(0<M&&M<Y)N=Math.round((F-E)/h),ee.logger.log(re(M,!0)+" ms hole between AAC samples detected,filling it"),0<N&&(O+=N*(w=(w=V.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||P.subarray()).length);else if(M<-12){ee.logger.log("drop overlapping AAC sample, expected/parsed/delta: "+re(E,!0)+" ms / "+re(F,!0)+" ms / "+re(-M,!0)+" ms"),O-=P.byteLength;continue}F=E}if(o=F,!(0<O))return;O+=v;try{n=new Uint8Array(O)}catch(e){return void this.observer.trigger(J.default.ERROR,{type:Z.ErrorTypes.MUX_ERROR,details:Z.ErrorDetails.REMUX_ALLOC_ERROR,fatal:!1,bytes:O,reason:"fail allocating audio mdat "+O})}p||(new DataView(n.buffer).setUint32(0,O),n.set(te.types.mdat,4));for(var U=0;U<N;U++)(w=V.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(ee.logger.log("Unable to get silent frame for given audio codec; duplicating this frame instead."),w=P.subarray()),n.set(w,v),v+=w.byteLength,a={size:w.byteLength,cts:0,duration:1024,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},y.push(a)}n.set(P,v);var B=P.byteLength;v+=B,a={size:B,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},y.push(a),l=F}var G=0;if(2<=(D=y.length)&&(G=y[D-2].duration,a.duration=G),D){this.nextAudioPts=E=l+c*G,e.samples=y,s=p?new Uint8Array:te.moof(e.sequenceNumber++,o/c,e),e.samples=[];var j=o/u,K=E/u,H={data1:s,data2:n,startPTS:j,endPTS:K,startDTS:j,endDTS:K,type:"audio",hasAudio:!0,hasVideo:!1,nb:D};return this.observer.trigger(J.default.FRAG_PARSING_DATA,H),H}return null}},t.remuxEmptyAudio=function(e,t,r,i){var a=e.inputTimeScale,n=a/(e.samplerate?e.samplerate:a),s=this.nextAudioPts,o=(void 0!==s?s:i.startDTS*a)+this._initDTS,l=i.endDTS*a+this._initDTS,u=1024*n,d=Math.ceil((l-o)/u),c=V.getSilentFrame(e.manifestCodec||e.codec,e.channelCount);if(ee.logger.warn("remux empty Audio"),c){for(var h=[],f=0;f<d;f++){var g=o+f*u;h.push({unit:c,pts:g,dts:g})}e.samples=h,this.remuxAudio(e,t,r)}else ee.logger.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,i=e.inputTimeScale,a=this._initPTS,n=this._initDTS;if(r){for(var s=0;s<r;s++)(t=e.samples[s]).pts=(t.pts-a)/i,t.dts=(t.dts-n)/i;this.observer.trigger(J.default.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,i=e.inputTimeScale,a=this._initPTS;if(r){for(var n=0;n<r;n++)(t=e.samples[n]).pts=(t.pts-a)/i;this.observer.trigger(J.default.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;4294967296<Math.abs(e-t);)e+=r;return e},e}(),O=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,i,a,n,s,o){var l=this.observer,u="";e&&(u+="audio"),t&&(u+="video"),l.trigger(J.default.FRAG_PARSING_DATA,{data1:o,startPTS:a,startDTS:a,type:u,hasAudio:!!e,hasVideo:!!t,nb:1,dropped:0}),l.trigger(J.default.FRAG_PARSED)},e}(),h=Object(i.getSelfScope)();try{S=h.performance.now.bind(h.performance)}catch(e){ee.logger.debug("Unable to use Performance API on this environment"),S=h.Date.now}var f=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 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v.AUDIO_TRACK:a=r?h.ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT:h.ErrorDetails.AUDIO_TRACK_LOAD_ERROR,n=!1;break;default:n=!1}s&&(s.abort(),this.resetInternalLoader(e.type));var o={type:h.ErrorTypes.NETWORK_ERROR,details:a,fatal:n,url:e.url,loader:s,context:e,networkDetails:t};i&&(o.response=i),this.hls.trigger(M.default.ERROR,o)},i._handlePlaylistLoaded=function(e,t,r,i){var a=r.type,n=r.level,s=r.id,o=r.levelDetails;if(o&&o.targetduration)if(p.canHaveQualityLevels(r.type))this.hls.trigger(M.default.LEVEL_LOADED,{details:o,level:n||0,id:s||0,stats:t,networkDetails:i});else switch(a){case v.AUDIO_TRACK:this.hls.trigger(M.default.AUDIO_TRACK_LOADED,{details:o,id:s,stats:t,networkDetails:i});break;case v.SUBTITLE_TRACK:this.hls.trigger(M.default.SUBTITLE_TRACK_LOADED,{details:o,id:s,stats:t,networkDetails:i})}else this._handleManifestParsingError(e,r,"invalid target duration",i)},p}(u);var P=function(i){var e,t;function r(e){var t=i.call(this,e,M.default.FRAG_LOADING)||this;return 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c=t.byteRangeStartOffset,h=t.byteRangeEndOffset;Object(F.isFiniteNumber)(c)&&Object(F.isFiniteNumber)(h)&&(o.rangeStart=c,o.rangeEnd=h),l={timeout:a.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:a.fragLoadingMaxRetryTimeout},u={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this),onProgress:this.loadprogress.bind(this)},d.load(o,l,u)},a.loadsuccess=function(e,t,r,i){void 0===i&&(i=null);var a=e.data,n=r.frag;n.loader=void 0,this.loaders[n.type]=void 0,this.hls.trigger(M.default.FRAG_LOADED,{payload:a,frag:n,stats:t,networkDetails:i})},a.loaderror=function(e,t,r){void 0===r&&(r=null);var i=t.frag,a=i.loader;a&&a.abort(),this.loaders[i.type]=void 0,this.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.NETWORK_ERROR,details:h.ErrorDetails.FRAG_LOAD_ERROR,fatal:!1,frag:t.frag,response:e,networkDetails:r})},a.loadtimeout=function(e,t,r){void 0===r&&(r=null);var i=t.frag,a=i.loader;a&&a.abort(),this.loaders[i.type]=void 0,this.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.NETWORK_ERROR,details:h.ErrorDetails.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(M.default.FRAG_LOAD_PROGRESS,{frag:a,stats:e,networkDetails:i})},r}(u);var U=function(r){var e,t;function i(e){var t=r.call(this,e,M.default.KEY_LOADING)||this;return t.loaders={},t.decryptkey=null,t.decrypturl=null,t}t=r,(e=i).prototype=Object.create(t.prototype),(e.prototype.constructor=e).__proto__=t;var a=i.prototype;return a.destroy=function(){for(var e in this.loaders){var t=this.loaders[e];t&&t.destroy()}this.loaders={},r.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&&(N.logger.warn("abort previous key loader for type:"+r),i.abort()),!a)return void N.logger.warn("key 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this.loaders[r.type],this.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.NETWORK_ERROR,details:h.ErrorDetails.KEY_LOAD_ERROR,fatal:!1,frag:r,response:e})},a.loadtimeout=function(e,t){var r=t.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.NETWORK_ERROR,details:h.ErrorDetails.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},i}(u);var B="NOT_LOADED",G="APPENDING",j="PARTIAL",K="OK",H=function(r){var e,t;function i(e){var t=r.call(this,e,M.default.BUFFER_APPENDED,M.default.FRAG_BUFFERED,M.default.FRAG_LOADED)||this;return t.bufferPadding=.2,t.fragments=Object.create(null),t.timeRanges=Object.create(null),t.config=e.config,t}t=r,(e=i).prototype=Object.create(t.prototype),(e.prototype.constructor=e).__proto__=t;var a=i.prototype;return a.destroy=function(){this.fragments=Object.create(null),this.timeRanges=Object.create(null),this.config=null,u.prototype.destroy.call(this),r.prototype.destroy.call(this)},a.getBufferedFrag=function(i,a){var n=this.fragments,e=Object.keys(n).filter(function(e){var t=n[e];if(t.body.type!==a)return!1;if(!t.buffered)return!1;var r=t.body;return r.startPTS<=i&&i<=r.endPTS});if(0===e.length)return null;var t=e.pop();return n[t].body},a.detectEvictedFragments=function(a,n){var s,o,l=this;Object.keys(this.fragments).forEach(function(e){var t=l.fragments[e];if(!0===t.buffered){var r=t.range[a];if(r){s=r.time;for(var i=0;i<s.length;i++)if(o=s[i],!1===l.isTimeBuffered(o.startPTS,o.endPTS,n)){l.removeFragment(t.body);break}}}})},a.detectPartialFragments=function(r){var i=this,e=this.getFragmentKey(r),a=this.fragments[e];a&&(a.buffered=!0,Object.keys(this.timeRanges).forEach(function(e){var t;r.hasElementaryStream(e)&&(t=i.timeRanges[e],a.range[e]=i.getBufferedTimes(r.startPTS,r.endPTS,t))}))},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,i<=e&&t<=a){n.push({startPTS:Math.max(e,r.start(o)),endPTS:Math.min(t,r.end(o))});break}if(e<a&&i<t)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(r){var i,a,n,s=this,o=null,l=0;return Object.keys(this.fragments).forEach(function(e){var t=s.fragments[e];s.isPartial(t)&&(a=t.body.startPTS-s.bufferPadding,n=t.body.endPTS+s.bufferPadding,a<=r&&r<=n&&(i=Math.min(r-a,n-r),l<=i&&(o=t.body,l=i)))}),o},a.getState=function(e){var t=this.getFragmentKey(e),r=this.fragments[t],i=B;return void 0!==r&&(i=r.buffered?!0===this.isPartial(r)?j:K:G),i},a.isPartial=function(e){return!0===e.buffered&&(void 0!==e.range.video&&!0===e.range.video.partial||void 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$,n=r.config;a.on(M.default.FRAG_DECRYPTED,t),a.on(M.default.FRAG_PARSING_INIT_SEGMENT,t),a.on(M.default.FRAG_PARSING_DATA,t),a.on(M.default.FRAG_PARSED,t),a.on(M.default.ERROR,t),a.on(M.default.FRAG_PARSING_METADATA,t),a.on(M.default.FRAG_PARSING_USERDATA,t),a.on(M.default.INIT_PTS_FOUND,t);var s,o={mp4:Z.isTypeSupported("video/mp4"),mpeg:Z.isTypeSupported("audio/mpeg"),mp3:Z.isTypeSupported('audio/mp4; codecs="mp3"')},l=navigator.vendor;if(n.enableWorker&&"undefined"!=typeof Worker){N.logger.log("demuxing in webworker");try{s=this.w=q("./src/demux/demuxer-worker.js"),this.onwmsg=this.onWorkerMessage.bind(this),s.addEventListener("message",this.onwmsg),s.onerror=function(e){r.trigger(M.default.ERROR,{type:h.ErrorTypes.OTHER_ERROR,details:h.ErrorDetails.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",err:{message:e.message+" ("+e.filename+":"+e.lineno+")"}})},s.postMessage({cmd:"init",typeSupported:o,vendor:l,id:e,config:JSON.stringify(n)})}catch(e){N.logger.warn("Error in 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instanceof ArrayBuffer?[e]:[]):(l=this.demuxer)&&l.push(e,c,t,r,i,d,f,g,v,n,s,o)},t.onWorkerMessage=function(e){var t=e.data,r=this.hls;switch(t.event){case"init":J.URL.revokeObjectURL(this.w.objectURL);break;case M.default.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 te(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 re(e,t,r){var i=e[t],a=e[r],n=a.startPTS;Object(F.isFiniteNumber)(n)?t<r?(i.duration=n-i.start,i.duration<0&&N.logger.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&&N.logger.warn("negative duration computed for frag "+a.sn+",level "+a.level+", there should 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i,a=0;if(ne(e,r,function(e,t){a=e.cc-t.cc,Object(F.isFiniteNumber)(e.startPTS)&&(t.start=t.startPTS=e.startPTS,t.endPTS=e.endPTS,t.duration=e.duration,t.backtracked=e.backtracked,t.dropped=e.dropped,i=t),r.PTSKnown=!0}),r.PTSKnown){if(a){N.logger.log("discontinuity sliding from playlist, take drift into account");for(var t=r.fragments,n=0;n<t.length;n++)t[n].cc+=a}i?ie(r,i,i.startPTS,i.endPTS,i.startDTS,i.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,r),r.PTSKnown=e.PTSKnown}}function ne(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 se(e,t,r){var i=1e3*(t.averagetargetduration?t.averagetargetduration:t.targetduration),a=i/2;return 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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}var ge=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,r=this.config,i=this.media,a=this.stalled,n=i.currentTime,s=i.seeking,o=this.seeking&&!s,l=!this.seeking&&s;if(this.seeking=s,n!==e)return this.moved=!0,void(null!==a&&(this.stallReported&&(t=self.performance.now()-a,N.logger.warn("playback not stuck anymore @"+n+", after "+Math.round(t)+"ms"),this.stallReported=!1),this.stalled=null,this.nudgeRetry=0));if((l||o)&&(this.stalled=null),!i.paused&&!i.ended&&0!==i.playbackRate&&i.buffered.length){var u=Y.bufferInfo(i,n,0),d=0<u.len,c=u.nextStart||0;if(d||c){if(s){if(2<u.len||(!c||2<c-n))return;this.moved=!1}if(!this.moved&&this.stalled){var h=Math.max(c,u.start||0)-n;if(0<h&&h<=2)return void this._trySkipBufferHole(null)}var f,g,p=self.performance.now();null!==a?(f=p-a,!s&&250<=f&&this._reportStall(u.len),g=Y.bufferInfo(i,n,r.maxBufferHole),this._tryFixBufferStall(g,f)):this.stalled=p}}},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&&(N.logger.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,N.logger.warn("Playback stalling at @"+r.currentTime+" due to low buffer"),t.trigger(M.default.ERROR,{type:h.ErrorTypes.MEDIA_ERROR,details:h.ErrorDetails.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 o=i.buffered.start(s);if(a+t.maxBufferHole>=n&&a<o){var l=Math.max(o+.05,i.currentTime+.1);return N.logger.warn("skipping hole, adjusting currentTime from "+a+" to "+l),this.moved=!0,this.stalled=null,i.currentTime=l,e&&r.trigger(M.default.ERROR,{type:h.ErrorTypes.MEDIA_ERROR,details:h.ErrorDetails.BUFFER_SEEK_OVER_HOLE,fatal:!1,reason:"fragment loaded with buffer holes, seeking from "+a+" to "+l,frag:e}),l}n=i.buffered.end(s)}return 0},t._tryNudgeBuffer=function(){var e,t=this.config,r=this.hls,i=this.media,a=i.currentTime,n=(this.nudgeRetry||0)+1;(this.nudgeRetry=n)<t.nudgeMaxRetry?(e=a+n*t.nudgeOffset,N.logger.warn("Nudging 'currentTime' from "+a+" to "+e),i.currentTime=e,r.trigger(M.default.ERROR,{type:h.ErrorTypes.MEDIA_ERROR,details:h.ErrorDetails.BUFFER_NUDGE_ON_STALL,fatal:!1})):(N.logger.error("Playhead still not moving while enough data buffered @"+a+" after "+t.nudgeMaxRetry+" nudges"),r.trigger(M.default.ERROR,{type:h.ErrorTypes.MEDIA_ERROR,details:h.ErrorDetails.BUFFER_STALLED_ERROR,fatal:!0}))},e}();var pe=function(n){var e,t;function r(e){for(var t,r=arguments.length,i=new Array(1<r?r-1:0),a=1;a<r;a++)i[a-1]=arguments[a];return(t=n.call.apply(n,[this,e].concat(i))||this)._boundTick=void 0,t._tickTimer=null,t._tickInterval=null,t._tickCallCount=0,t._boundTick=t.tick.bind(function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(t)),t}t=n,(e=r).prototype=Object.create(t.prototype),(e.prototype.constructor=e).__proto__=t;var i=r.prototype;return i.onHandlerDestroying=function(){this.clearNextTick(),this.clearInterval()},i.hasInterval=function(){return!!this._tickInterval},i.hasNextTick=function(){return!!this._tickTimer},i.setInterval=function(e){return!this._tickInterval&&(this._tickInterval=self.setInterval(this._boundTick,e),!0)},i.clearInterval=function(){return!!this._tickInterval&&(self.clearInterval(this._tickInterval),!(this._tickInterval=null))},i.clearNextTick=function(){return!!this._tickTimer&&(self.clearTimeout(this._tickTimer),!(this._tickTimer=null))},i.tick=function(){this._tickCallCount++,1===this._tickCallCount&&(this.doTick(),1<this._tickCallCount&&(this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)),this._tickCallCount=0)},i.doTick=function(){},r}(u);var ve="STOPPED",me="STARTING",ye="IDLE",Ee="PAUSED",Te="KEY_LOADING",be="FRAG_LOADING",Se="FRAG_LOADING_WAITING_RETRY",_e="WAITING_TRACK",Re="PARSING",Ae="PARSED",ke="BUFFER_FLUSHING",we="ENDED",Le="ERROR",De="WAITING_INIT_PTS",Oe="WAITING_LEVEL",Ce=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).__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)return!1;var a=i.getState(r);return a===j||a===K},a.onMediaSeeking=function(){var e,t,r,i,a=this.config,n=this.media,s=this.mediaBuffer,o=this.state,l=n?n.currentTime:null,u=Y.bufferInfo(s||n,l,this.config.maxBufferHole);Object(F.isFiniteNumber)(l)&&N.logger.log("media seeking to "+l.toFixed(3)),o===be?(e=this.fragCurrent,0===u.len&&e&&(t=a.maxFragLookUpTolerance,r=e.start-t,i=e.start+e.duration+t,l<r||i<l?(e.loader&&(N.logger.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),e.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.state=ye):N.logger.log("seeking outside of buffer but within currently loaded fragment range"))):o===we&&(0===u.len&&(this.fragPrevious=null,this.fragCurrent=null),this.state=ye),n&&(this.lastCurrentTime=l),this.loadedmetadata||(this.nextLoadPosition=this.startPosition=l),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 Ie(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(i){var e,t;function r(e,t){var r=i.call(this,e,M.default.MEDIA_ATTACHED,M.default.MEDIA_DETACHING,M.default.MANIFEST_LOADING,M.default.MANIFEST_PARSED,M.default.LEVEL_LOADED,M.default.KEY_LOADED,M.default.FRAG_LOADED,M.default.FRAG_LOAD_EMERGENCY_ABORTED,M.default.FRAG_PARSING_INIT_SEGMENT,M.default.FRAG_PARSING_DATA,M.default.FRAG_PARSED,M.default.ERROR,M.default.AUDIO_TRACK_SWITCHING,M.default.AUDIO_TRACK_SWITCHED,M.default.BUFFER_CREATED,M.default.BUFFER_APPENDED,M.default.BUFFER_FLUSHED)||this;return r.fragmentTracker=t,r.config=e.config,r.audioCodecSwap=!1,r._state=ve,r.stallReported=!1,r.gapController=null,r.altAudio=!1,r}t=i,(e=r).prototype=Object.create(t.prototype),(e.prototype.constructor=e).__proto__=t;var a,n,s,o=r.prototype;return o.startLoad=function(e){var t,r,i;this.levels?(t=this.lastCurrentTime,r=this.hls,this.stopLoad(),this.setInterval(100),this.level=-1,this.fragLoadError=0,this.startFragRequested||(-1===(i=r.startLevel)&&(i=0,this.bitrateTest=!0),this.level=r.nextLoadLevel=i,this.loadedmetadata=!1),0<t&&-1===e&&(N.logger.log("override startPosition with lastCurrentTime @"+t.toFixed(3)),e=t),this.state=ye,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=e,this.tick()):(this.forceStartLoad=!0,this.state=ve)},o.stopLoad=function(){this.forceStartLoad=!1,i.prototype.stopLoad.call(this)},o.doTick=function(){switch(this.state){case ke:this.fragLoadError=0;break;case ye:this._doTickIdle();break;case Oe:var e=this.levels[this.level];e&&e.details&&(this.state=ye);break;case Se:var t=window.performance.now(),r=this.retryDate;(!r||r<=t||this.media&&this.media.seeking)&&(N.logger.log("mediaController: retryDate reached, switch back to IDLE state"),this.state=ye)}this._checkBuffer(),this._checkFragmentChanged()},o._doTickIdle=function(){var e=this.hls,t=e.config,r=this.media;if(void 0!==this.levelLastLoaded&&(r||!this.startFragRequested&&t.startFragPrefetch)){var i=this.loadedmetadata?r.currentTime:this.nextLoadPosition,a=e.nextLoadLevel,n=this.levels[a];if(n){var s=n.bitrate,o=s?Math.max(8*t.maxBufferSize/s,t.maxBufferLength):t.maxBufferLength;o=Math.min(o,t.maxMaxBufferLength);var l=Y.bufferInfo(this.mediaBuffer?this.mediaBuffer:r,i,t.maxBufferHole),u=l.len;if(!(o<=u)){N.logger.trace("buffer length of "+u.toFixed(3)+" is below max of "+o.toFixed(3)+". checking for more payload ..."),this.level=e.nextLoadLevel=a;var d=n.details;if(!d||d.live&&this.levelLastLoaded!==a)this.state=Oe;else{if(this._streamEnded(l,d)){var c={};return this.altAudio&&(c.type="video"),this.hls.trigger(M.default.BUFFER_EOS,c),void(this.state=we)}this._fetchPayloadOrEos(i,l,d)}}}}},o._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,d=t.end;if(r.initSegment&&!r.initSegment.data)o=r.initSegment;else if(r.live){var c=this.config.initialLiveManifestSize;if(s<c)return void N.logger.warn("Can not start playback of a level, reason: not enough fragments "+s+" < "+c);if(null===(o=this._ensureFragmentAtLivePoint(r,d,l,u,i,n,s)))return}else d<l&&(o=n[0]);(o=o||this._findFragment(l,i,s,n,d,u,r))&&(o.encrypted?(N.logger.log("Loading key for "+o.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+a),this._loadKey(o)):(N.logger.log("Loading "+o.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+a+", currentTime:"+e.toFixed(3)+",bufferEnd:"+d.toFixed(3)),this._loadFragment(o)))}},o._ensureFragmentAtLivePoint=function(e,t,r,i,a,n,s){var o,l,u,d,c=this.hls.config,h=this.media,f=void 0!==c.liveMaxLatencyDuration?c.liveMaxLatencyDuration:c.liveMaxLatencyDurationCount*e.targetduration;return t<Math.max(r-c.maxFragLookUpTolerance,i-f)&&(t=l=this.liveSyncPosition=this.computeLivePosition(r,e),h&&!h.paused&&h.readyState&&h.duration>l&&l>h.currentTime&&(N.logger.log("buffer end: "+t.toFixed(3)+" is located too far from the end of live sliding playlist, reset currentTime to : "+l.toFixed(3)),h.currentTime=l),this.nextLoadPosition=l),e.PTSKnown&&i<t&&h&&h.readyState?null:(this.startFragRequested&&!e.PTSKnown&&(a&&(e.hasProgramDateTime?(N.logger.log("live playlist, switching playlist, load frag with same PDT: "+a.programDateTime),o=ce(n,a.endProgramDateTime,c.maxFragLookUpTolerance)):((u=a.sn+1)>=e.startSN&&u<=e.endSN&&(d=n[u-e.startSN],a.cc===d.cc&&(o=d,N.logger.log("live playlist, switching playlist, load frag with next SN: "+o.sn))),o||(o=V.search(n,function(e){return a.cc-e.cc}))&&N.logger.log("live playlist, switching playlist, load frag with same CC: "+o.sn))),o||(o=n[Math.min(s-1,Math.round(s/2))],N.logger.log("live playlist, switching playlist, unknown, load middle frag : "+o.sn))),o)},o._findFragment=function(e,t,r,i,a,n,s){var o,l,u,d,c,h,f=this.hls.config;return(o=a<n?he(t,i,a,a>n-f.maxFragLookUpTolerance?0:f.maxFragLookUpTolerance):i[r-1])&&(l=o.sn-s.startSN,u=t&&o.level===t.level,d=i[l-1],c=i[1+l],t&&o.sn===t.sn&&(u&&!o.backtracked?o.sn<s.endSN?(h=t.deltaPTS)&&h>f.maxBufferHole&&t.dropped&&l?(o=d,N.logger.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=c,N.logger.log("Re-loading fragment with SN: "+o.sn)):o=null:o.backtracked&&(c&&c.backtracked?(N.logger.warn("Already backtracked from fragment "+c.sn+", will not backtrack to fragment "+o.sn+". Loading fragment "+c.sn),o=c):(N.logger.warn("Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe"),o.dropped=0,d?(o=d).backtracked=!0:l&&(o=null))))),o},o._loadKey=function(e){this.state=Te,this.hls.trigger(M.default.KEY_LOADING,{frag:e})},o._loadFragment=function(e){var t=this.fragmentTracker.getState(e);"initSegment"!==(this.fragCurrent=e).sn&&(this.startFragRequested=!0),Object(F.isFiniteNumber)(e.sn)&&!e.bitrateTest&&(this.nextLoadPosition=e.start+e.duration),e.backtracked||t===B||t===j?(e.autoLevel=this.hls.autoLevelEnabled,e.bitrateTest=this.bitrateTest,this.hls.trigger(M.default.FRAG_LOADING,{frag:e}),this.demuxer||(this.demuxer=new ee(this.hls,"main")),this.state=be):t===G&&this._reduceMaxBufferLength(e.duration)&&this.fragmentTracker.removeFragment(e)},o.getBufferedFrag=function(e){return this.fragmentTracker.getBufferedFrag(e,l.MAIN)},o.followingBufferedFrag=function(e){return e?this.getBufferedFrag(e.endPTS+.5):null},o._checkFragmentChanged=function(){var e,t,r,i,a=this.media;a&&a.readyState&&!1===a.seeking&&((i=a.currentTime)>this.lastCurrentTime&&(this.lastCurrentTime=i),Y.isBuffered(a,i)?e=this.getBufferedFrag(i):Y.isBuffered(a,i+.1)&&(e=this.getBufferedFrag(i+.1)),!e||(t=e)!==this.fragPlaying&&(this.hls.trigger(M.default.FRAG_CHANGED,{frag:t}),r=t.level,this.fragPlaying&&this.fragPlaying.level===r||this.hls.trigger(M.default.LEVEL_SWITCHED,{level:r}),this.fragPlaying=t))},o.immediateLevelSwitch=function(){var e,t;N.logger.log("immediateLevelSwitch"),this.immediateSwitch||(this.immediateSwitch=!0,(e=this.media)?(t=e.paused,e.pause()):t=!0,this.previouslyPaused=t);var r=this.fragCurrent;r&&r.loader&&r.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},o.immediateLevelSwitchEnd=function(){var e=this.media;e&&e.buffered.length&&(this.immediateSwitch=!1,Y.isBuffered(e,e.currentTime)&&(e.currentTime-=1e-4),this.previouslyPaused||e.play())},o.nextLevelSwitch=function(){var e,t,r,i,a,n,s,o=this.media;o&&o.readyState&&((s=this.getBufferedFrag(o.currentTime))&&1<s.startPTS&&this.flushMainBuffer(0,s.startPTS-1),i=o.paused?0:(e=this.hls.nextLoadLevel,t=this.levels[e],(r=this.fragLastKbps)&&this.fragCurrent?this.fragCurrent.duration*t.bitrate/(1e3*r)+1:0),(n=(n=this.getBufferedFrag(o.currentTime+i))&&this.followingBufferedFrag(n))&&((a=this.fragCurrent)&&a.loader&&a.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(n.maxStartPTS,Number.POSITIVE_INFINITY)))},o.flushMainBuffer=function(e,t){this.state=ke;var r={startOffset:e,endOffset:t};this.altAudio&&(r.type="video"),this.hls.trigger(M.default.BUFFER_FLUSHING,r)},o.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 ge(r,t,this.fragmentTracker,this.hls)},o.onMediaDetaching=function(){var e=this.media;e&&e.ended&&(N.logger.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()},o.onMediaSeeked=function(){var e=this.media,t=e?e.currentTime:void 0;Object(F.isFiniteNumber)(t)&&N.logger.log("media seeked to "+t.toFixed(3)),this.tick()},o.onManifestLoading=function(){N.logger.log("trigger BUFFER_RESET"),this.hls.trigger(M.default.BUFFER_RESET),this.fragmentTracker.removeAllFragments(),this.stalled=!1,this.startPosition=this.lastCurrentTime=0},o.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&&N.logger.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)},o.onLevelLoaded=function(e){var t,r,i=e.details,a=e.level,n=this.levels[this.levelLastLoaded],s=this.levels[a],o=i.totalduration,l=0;N.logger.log("level "+a+" loaded ["+i.startSN+","+i.endSN+"],duration:"+o),i.live?(t=s.details)&&0<i.fragments.length?(ae(t,i),l=i.fragments[0].start,this.liveSyncPosition=this.computeLivePosition(l,t),i.PTSKnown&&Object(F.isFiniteNumber)(l)?N.logger.log("live playlist sliding:"+l.toFixed(3)):(N.logger.log("live playlist - outdated PTS, unknown sliding"),de(this.fragPrevious,n,i))):(N.logger.log("live playlist - first load, unknown sliding"),i.PTSKnown=!1,de(this.fragPrevious,n,i)):i.PTSKnown=!1,s.details=i,this.levelLastLoaded=a,this.hls.trigger(M.default.LEVEL_UPDATED,{details:i,level:a}),!1===this.startFragRequested&&(-1!==this.startPosition&&-1!==this.lastCurrentTime||(r=i.startTimeOffset,Object(F.isFiniteNumber)(r)?(r<0&&(N.logger.log("negative start time offset "+r+", count from end of last fragment"),r=l+o+r),N.logger.log("start time offset found in playlist, adjust startPosition to "+r),this.startPosition=r):i.live?(this.startPosition=this.computeLivePosition(l,i),N.logger.log("configure startPosition to "+this.startPosition)):this.startPosition=0,this.lastCurrentTime=this.startPosition),this.nextLoadPosition=this.startPosition),this.state===Oe&&(this.state=ye),this.tick()},o.onKeyLoaded=function(){this.state===Te&&(this.state=ye,this.tick())},o.onFragLoaded=function(e){var t,r,i,a,n,s,o=this.fragCurrent,l=this.hls,u=this.levels,d=this.media,c=e.frag;this.state===be&&o&&"main"===c.type&&c.level===o.level&&c.sn===o.sn&&(t=e.stats,i=(r=u[o.level]).details,this.bitrateTest=!1,this.stats=t,N.logger.log("Loaded "+o.sn+" of ["+i.startSN+" ,"+i.endSN+"],level "+o.level),c.bitrateTest&&l.nextLoadLevel?(this.state=ye,this.startFragRequested=!1,t.tparsed=t.tbuffered=window.performance.now(),l.trigger(M.default.FRAG_BUFFERED,{stats:t,frag:o,id:"main"}),this.tick()):"initSegment"===c.sn?(this.state=ye,t.tparsed=t.tbuffered=window.performance.now(),i.initSegment.data=e.payload,l.trigger(M.default.FRAG_BUFFERED,{stats:t,frag:o,id:"main"}),this.tick()):(N.logger.log("Parsing "+o.sn+" of ["+i.startSN+" ,"+i.endSN+"],level "+o.level+", cc "+o.cc),this.state=Re,this.pendingBuffering=!0,this.appended=!1,c.bitrateTest&&(c.bitrateTest=!1,this.fragmentTracker.onFragLoaded({frag:c})),a=!(d&&d.seeking)&&(i.PTSKnown||!i.live),n=i.initSegment?i.initSegment.data:[],s=this._getAudioCodec(r),(this.demuxer=this.demuxer||new ee(this.hls,"main")).push(e.payload,n,s,r.videoCodec,o,i.totalduration,a))),this.fragLoadError=0},o.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===Re){var i,a,n,s,o=e.tracks;for(i in o.audio&&this.altAudio&&delete o.audio,(a=o.audio)&&(n=this.levels[this.level].audioCodec,s=navigator.userAgent.toLowerCase(),n&&this.audioCodecSwap&&(N.logger.log("swapping playlist audio codec"),n=-1!==n.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch&&1!==a.metadata.channelCount&&-1===s.indexOf("firefox")&&(n="mp4a.40.5"),-1!==s.indexOf("android")&&"audio/mpeg"!==a.container&&(n="mp4a.40.2",N.logger.log("Android: force audio codec to "+n)),a.levelCodec=n,a.id=e.id),(a=o.video)&&(a.levelCodec=this.levels[this.level].videoCodec,a.id=e.id),this.hls.trigger(M.default.BUFFER_CODECS,o),o){a=o[i],N.logger.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(M.default.BUFFER_APPENDING,{type:i,data:l,parent:"main",content:"initSegment"}))}this.tick()}},o.onFragParsingData=function(t){var r=this,e=this.fragCurrent,i=t.frag;if(e&&"main"===t.id&&i.sn===e.sn&&i.level===e.level&&("audio"!==t.type||!this.altAudio)&&this.state===Re){var a=this.levels[this.level],n=e;if(Object(F.isFiniteNumber)(t.endPTS)||(t.endPTS=t.startPTS+e.duration,t.endDTS=t.startDTS+e.duration),!0===t.hasAudio&&n.addElementaryStream(f.AUDIO),!0===t.hasVideo&&n.addElementaryStream(f.VIDEO),N.logger.log("Parsed "+t.type+",PTS:["+t.startPTS.toFixed(3)+","+t.endPTS.toFixed(3)+"],DTS:["+t.startDTS.toFixed(3)+"/"+t.endDTS.toFixed(3)+"],nb:"+t.nb+",dropped:"+(t.dropped||0)),"video"===t.type)if(n.dropped=t.dropped,n.dropped)if(n.backtracked)N.logger.warn("Already backtracked on this fragment, appending with the gap",n.sn);else{var s=a.details;if(!s||n.sn!==s.startSN)return N.logger.warn("missing video frame(s), backtracking fragment",n.sn),this.fragmentTracker.removeFragment(n),n.backtracked=!0,this.nextLoadPosition=t.startPTS,this.state=ye,this.fragPrevious=n,void this.tick();N.logger.warn("missing video frame(s) on first frag, appending with gap",n.sn)}else n.backtracked=!1;var o=ie(a.details,n,t.startPTS,t.endPTS,t.startDTS,t.endDTS),l=this.hls;l.trigger(M.default.LEVEL_PTS_UPDATED,{details:a.details,level:this.level,drift:o,type:t.type,start:t.startPTS,end:t.endPTS}),[t.data1,t.data2].forEach(function(e){e&&e.length&&r.state===Re&&(r.appended=!0,r.pendingBuffering=!0,l.trigger(M.default.BUFFER_APPENDING,{type:t.type,data:e,parent:"main",content:"data"}))}),this.tick()}},o.onFragParsed=function(e){var t=this.fragCurrent,r=e.frag;t&&"main"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===Re&&(this.stats.tparsed=window.performance.now(),this.state=Ae,this._checkAppendedParsed())},o.onAudioTrackSwitching=function(e){var t,r,i=!!e.url,a=e.id;i||(this.mediaBuffer!==this.media&&(N.logger.log("switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media,(t=this.fragCurrent).loader&&(N.logger.log("switching to main audio track, cancel main fragment load"),t.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=ye),(r=this.hls).trigger(M.default.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),r.trigger(M.default.AUDIO_TRACK_SWITCHED,{id:a}),this.altAudio=!1)},o.onAudioTrackSwitched=function(e){var t,r=e.id,i=!!this.hls.audioTracks[r].url;!i||(t=this.videoBuffer)&&this.mediaBuffer!==t&&(N.logger.log("switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=t),this.altAudio=i,this.tick()},o.onBufferCreated=function(e){var t,r,i=e.tracks,a=!1;for(var n in i){var s=i[n];"main"===s.id?(t=s,"video"===(r=n)&&(this.videoBuffer=i[n].buffer)):a=!0}a&&t?(N.logger.log("alternate track found, use "+r+".buffered to schedule main fragment loading"),this.mediaBuffer=t.buffer):this.mediaBuffer=this.media},o.onBufferAppended=function(e){var t;"main"===e.parent&&((t=this.state)!==Re&&t!==Ae||(this.pendingBuffering=0<e.pending,this._checkAppendedParsed()))},o._checkAppendedParsed=function(){var e,t,r;this.state!==Ae||this.appended&&this.pendingBuffering||((e=this.fragCurrent)&&(t=this.mediaBuffer?this.mediaBuffer:this.media,N.logger.log("main buffered : "+oe.toString(t.buffered)),this.fragPrevious=e,(r=this.stats).tbuffered=window.performance.now(),this.fragLastKbps=Math.round(8*r.total/(r.tbuffered-r.tfirst)),this.hls.trigger(M.default.FRAG_BUFFERED,{stats:r,frag:e,id:"main"}),this.state=ye),this.tick())},o.onError=function(e){var t=e.frag||this.fragCurrent;if(!t||"main"===t.type){var r,i=!!this.media&&Y.isBuffered(this.media,this.media.currentTime)&&Y.isBuffered(this.media,this.media.currentTime+.5);switch(e.details){case h.ErrorDetails.FRAG_LOAD_ERROR:case h.ErrorDetails.FRAG_LOAD_TIMEOUT:case h.ErrorDetails.KEY_LOAD_ERROR:case h.ErrorDetails.KEY_LOAD_TIMEOUT:e.fatal||(this.fragLoadError+1<=this.config.fragLoadingMaxRetry?(r=Math.min(Math.pow(2,this.fragLoadError)*this.config.fragLoadingRetryDelay,this.config.fragLoadingMaxRetryTimeout),N.logger.warn("mediaController: frag loading failed, retry in "+r+" ms"),this.retryDate=window.performance.now()+r,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.fragLoadError++,this.state=Se):(N.logger.error("mediaController: "+e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.state=Le));break;case h.ErrorDetails.LEVEL_LOAD_ERROR:case h.ErrorDetails.LEVEL_LOAD_TIMEOUT:this.state!==Le&&(e.fatal?(this.state=Le,N.logger.warn("streamController: "+e.details+",switch to "+this.state+" state ...")):e.levelRetry||this.state!==Oe||(this.state=ye));break;case h.ErrorDetails.BUFFER_FULL_ERROR:"main"!==e.parent||this.state!==Re&&this.state!==Ae||(i?(this._reduceMaxBufferLength(this.config.maxBufferLength),this.state=ye):(N.logger.warn("buffer full error also media.currentTime is not buffered, flush everything"),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)))}}},o._reduceMaxBufferLength=function(e){var t=this.config;return t.maxMaxBufferLength>=e&&(t.maxMaxBufferLength/=2,N.logger.warn("main:reduce max buffer length to "+t.maxMaxBufferLength+"s"),!0)},o._checkBuffer=function(){var e,t=this.media;t&&0!==t.readyState&&(e=(this.mediaBuffer?this.mediaBuffer:t).buffered,!this.loadedmetadata&&e.length?(this.loadedmetadata=!0,this._seekToStartPos()):this.immediateSwitch?this.immediateLevelSwitchEnd():this.gapController.poll(this.lastCurrentTime,e))},o.onFragLoadEmergencyAborted=function(){this.state=ye,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tick()},o.onBufferFlushed=function(){var e=this.mediaBuffer?this.mediaBuffer:this.media;e&&this.fragmentTracker.detectEvictedFragments(f.VIDEO,e.buffered),this.state=ye,this.fragPrevious=null},o.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},o._seekToStartPos=function(){var e=this.media,t=e.currentTime,r=e.seeking?t:this.startPosition;t!==r&&0<=r&&(N.logger.log("target start position not buffered, seek to buffered.start(0) "+r+" from current time "+t+" "),e.currentTime=r)},o._getAudioCodec=function(e){var t=this.config.defaultAudioCodec||e.audioCodec;return this.audioCodecSwap&&(N.logger.log("swapping playlist audio codec"),t=t&&(-1!==t.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),t},a=r,(n=[{key:"state",set:function(e){var t;this.state!==e&&(t=this.state,this._state=e,N.logger.log("main stream-controller: "+t+"->"+e),this.hls.trigger(M.default.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}}])&&Ie(a.prototype,n),s&&Ie(a,s),r}(Ce);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 Fe,Me=function(r){var e,t;function i(e){var t=r.call(this,e,M.default.MANIFEST_LOADED,M.default.LEVEL_LOADED,M.default.AUDIO_TRACK_SWITCHED,M.default.FRAG_LOADED,M.default.ERROR)||this;return t.canload=!1,t.currentLevelIndex=null,t.manualLevelIndex=-1,t.timer=null,Fe=/chrome|firefox/.test(navigator.userAgent.toLowerCase()),t}t=r,(e=i).prototype=Object.create(t.prototype),(e.prototype.constructor=e).__proto__=t;var a,n,s,o=i.prototype;return o.onHandlerDestroying=function(){this.clearTimer(),this.manualLevelIndex=-1},o.clearTimer=function(){null!==this.timer&&(clearTimeout(this.timer),this.timer=null)},o.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()},o.stopLoad=function(){this.canload=!1},o.onManifestLoaded=function(e){var t,r=[],i=[],a={},n=null,s=!1,o=!1;if(e.levels.forEach(function(e){var t=e.attrs;e.loadError=0,e.fragmentError=!1,s=s||!!e.videoCodec,o=o||!!e.audioCodec,Fe&&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&&(o=!0,te(n||e,"audio",t.AUDIO)),t.SUBTITLES&&te(n||e,"text",t.SUBTITLES))}),s&&o&&(r=r.filter(function(e){return!!e.videoCodec})),r=r.filter(function(e){var t=e.audioCodec,r=e.videoCodec;return(!t||b(t,"audio"))&&(!r||b(r,"video"))}),e.audioTracks&&(i=e.audioTracks.filter(function(e){return!e.audioCodec||b(e.audioCodec,"audio")})).forEach(function(e,t){e.id=t}),0<r.length){t=r[0].bitrate,r.sort(function(e,t){return e.bitrate-t.bitrate}),this._levels=r;for(var l=0;l<r.length;l++)if(r[l].bitrate===t){this._firstLevel=l,N.logger.log("manifest loaded,"+r.length+" level(s) found, first bitrate:"+t);break}this.hls.trigger(M.default.MANIFEST_PARSED,{levels:r,audioTracks:i,firstLevel:this._firstLevel,stats:e.stats,audio:o,video:s,altAudio:i.some(function(e){return!!e.url})})}else this.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.MEDIA_ERROR,details:h.ErrorDetails.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:this.hls.url,reason:"no level with compatible codecs found in manifest"})},o.setLevelInternal=function(e){var t,r,i,a,n=this._levels,s=this.hls;0<=e&&e<n.length?(this.clearTimer(),this.currentLevelIndex!==e&&(N.logger.log("switching to level "+e),(t=n[this.currentLevelIndex=e]).level=e,s.trigger(M.default.LEVEL_SWITCHING,t)),(i=(r=n[e]).details)&&!i.live||(a=r.urlId,s.trigger(M.default.LEVEL_LOADING,{url:r.url[a],level:e,id:a}))):s.trigger(M.default.ERROR,{type:h.ErrorTypes.OTHER_ERROR,details:h.ErrorDetails.LEVEL_SWITCH_ERROR,level:e,fatal:!1,reason:"invalid level idx"})},o.onError=function(e){if(e.fatal)e.type===h.ErrorTypes.NETWORK_ERROR&&this.clearTimer();else{var t,r=!1,i=!1;switch(e.details){case h.ErrorDetails.FRAG_LOAD_ERROR:case h.ErrorDetails.FRAG_LOAD_TIMEOUT:case h.ErrorDetails.KEY_LOAD_ERROR:case h.ErrorDetails.KEY_LOAD_TIMEOUT:t=e.frag.level,i=!0;break;case h.ErrorDetails.LEVEL_LOAD_ERROR:case h.ErrorDetails.LEVEL_LOAD_TIMEOUT:t=e.context.level,r=!0;break;case h.ErrorDetails.REMUX_ALLOC_ERROR:t=e.level,r=!0}void 0!==t&&this.recoverLevel(e,t,r,i)}},o.recoverLevel=function(e,t,r,i){var a,n,s,o=this,l=this.hls.config,u=e.details,d=this._levels[t];if(d.loadError++,d.fragmentError=i,r){if(!(this.levelRetryCount+1<=l.levelLoadingMaxRetry))return N.logger.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++,N.logger.warn("level controller, "+u+", retry in "+n+" ms, current retry count is "+this.levelRetryCount)}(r||i)&&(1<(a=d.url.length)&&d.loadError<a?(d.urlId=(d.urlId+1)%a,d.details=void 0,N.logger.warn("level controller, "+u+" for level "+t+": switching to redundant URL-id "+d.urlId)):-1===this.manualLevelIndex?(s=0===t?this._levels.length-1:t-1,N.logger.warn("level controller, "+u+": switch to "+s),this.hls.nextAutoLevel=this.currentLevelIndex=s):i&&(N.logger.warn("level controller, "+u+": reload a fragment"),this.currentLevelIndex=null))},o.onFragLoaded=function(e){var t,r=e.frag;void 0===r||"main"!==r.type||void 0!==(t=this._levels[r.level])&&(t.fragmentError=!1,t.loadError=0,this.levelRetryCount=0)},o.onLevelLoaded=function(e){var t,r,i=this,a=e.level,n=e.details;a===this.currentLevelIndex&&((t=this._levels[a]).fragmentError||(t.loadError=0,this.levelRetryCount=0),n.live?(r=se(t.details,n,e.stats.trequest),N.logger.log("live playlist, reload in "+Math.round(r)+" ms"),this.timer=setTimeout(function(){return i.loadLevel()},r)):this.clearTimer())},o.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())}},o.loadLevel=function(){var e,t,r,i;N.logger.debug("call to loadLevel"),null===this.currentLevelIndex||!this.canload||"object"==typeof(e=this._levels[this.currentLevelIndex])&&0<e.url.length&&(t=this.currentLevelIndex,r=e.urlId,i=e.url[r],N.logger.log("Attempt loading level index "+t+" with URL-id "+r),this.hls.trigger(M.default.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)return this._startLevel;var e=this.hls.config.startLevel;return void 0!==e?e:this._firstLevel},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}(u),Ne=r("./src/demux/id3.js");function Ue(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(;0<e.cues.length;)e.removeCue(e.cues[0])}var Ge=function(r){var e,t;function i(e){var t=r.call(this,e,M.default.MEDIA_ATTACHED,M.default.MEDIA_DETACHING,M.default.FRAG_PARSING_METADATA,M.default.LIVE_BACK_BUFFER_REACHED)||this;return t.id3Track=void 0,t.media=void 0,t}t=r,(e=i).prototype=Object.create(t.prototype),(e.prototype.constructor=e).__proto__=t;var a=i.prototype;return a.destroy=function(){u.prototype.destroy.call(this)},a.onMediaAttached=function(e){this.media=e.media,this.media},a.onMediaDetaching=function(){Be(this.id3Track),this.id3Track=void 0,this.media=void 0},a.getID3Track=function(e){for(var t=0;t<e.length;t++){var r=e[t];if("metadata"===r.kind&&"id3"===r.label)return Ue(r,this.media),r}return this.media.addTextTrack("metadata","id3")},a.onFragParsingMetadata=function(e){var t=e.frag,r=e.samples;this.id3Track||(this.id3Track=this.getID3Track(this.media.textTracks),this.id3Track.mode="hidden");for(var i=window.WebKitDataCue||window.VTTCue||window.TextTrackCue,a=0;a<r.length;a++){var n=Ne.default.getID3Frames(r[a].data);if(n){var s=r[a].pts,o=a<r.length-1?r[a+1].pts:t.endPTS;s===o?o+=1e-4:o<s&&(N.logger.warn("detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)"),o=s+.25);for(var l=0;l<n.length;l++){var u,d=n[l];Ne.default.isTimeStampFrame(d)||((u=new i(s,o,"")).value=d,this.id3Track.addCue(u))}}}},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}(u);var je=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 e=1-Math.pow(this.alpha_,this.totalWeight_);return this.estimate_/e}return this.estimate_},e}(),Ke=function(){function e(e,t,r,i){this.hls=void 0,this.defaultEstimate_=void 0,this.minWeight_=void 0,this.minDelayMs_=void 0,this.slow_=void 0,this.fast_=void 0,this.hls=e,this.defaultEstimate_=i,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new je(t),this.fast_=new je(r)}var t=e.prototype;return t.sample=function(e,t){var r=(e=Math.max(e,this.minDelayMs_))/1e3,i=8*t/r;this.fast_.sample(r,i),this.slow_.sample(r,i)},t.canEstimate=function(){var e=this.fast_;return e&&e.getTotalWeight()>=this.minWeight_},t.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},t.destroy=function(){},e}();function He(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 Ve=window.performance,Ye=function(r){var e,t;function i(e){var t=r.call(this,e,M.default.FRAG_LOADING,M.default.FRAG_LOADED,M.default.FRAG_BUFFERED,M.default.ERROR)||this;return t.lastLoadedFragLevel=0,t._nextAutoLevel=-1,t.hls=e,t.timer=null,t._bwEstimator=null,t.onCheck=t._abandonRulesCheck.bind(function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(t)),t}t=r,(e=i).prototype=Object.create(t.prototype),(e.prototype.constructor=e).__proto__=t;var a,n,s,o=i.prototype;return o.destroy=function(){this.clearTimer(),u.prototype.destroy.call(this)},o.onFragLoading=function(e){var t,r,i,a,n,s=e.frag;"main"===s.type&&(this.timer||(this.fragCurrent=s,this.timer=setInterval(this.onCheck,100)),this._bwEstimator||(r=(t=this.hls).config,i=s.level,n=t.levels[i].details.live?(a=r.abrEwmaFastLive,r.abrEwmaSlowLive):(a=r.abrEwmaFastVoD,r.abrEwmaSlowVoD),this._bwEstimator=new Ke(t,n,a,r.abrEwmaDefaultEstimate)))},o._abandonRulesCheck=function(){var e=this.hls,t=e.media,r=this.fragCurrent;if(r){var i=r.loader,a=e.minAutoLevel;if(!i||i.stats&&i.stats.aborted)return N.logger.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,u=Math.max(1,n.bw?n.bw/8:1e3*n.loaded/s),d=l[r.level],c=d.realBitrate?Math.max(d.realBitrate,d.bitrate):d.bitrate,h=n.total?n.total:Math.max(n.loaded,Math.round(r.duration*c/8)),f=t.currentTime,g=(h-n.loaded)/u,p=(Y.bufferInfo(t,f,e.config.maxBufferHole).end-f)/o;if(p<2*r.duration/o&&p<g){for(var v=r.level-1;a<v;v--){var m=l[v].realBitrate?Math.max(l[v].realBitrate,l[v].bitrate):l[v].bitrate;if(r.duration*m/(6.4*u)<p)break}void 0<g&&(N.logger.warn("loading too slow, abort fragment loading and switch to level "+v+":fragLoadedDelay["+v+"]<fragLoadedDelay["+(r.level-1)+"];bufferStarvationDelay:"+(void 0).toFixed(1)+"<"+g.toFixed(1)+":"+p.toFixed(1)),e.nextLoadLevel=v,this._bwEstimator.sample(s,n.loaded),i.abort(),this.clearTimer(),e.trigger(M.default.FRAG_LOAD_EMERGENCY_ABORTED,{frag:r,stats:n}))}}}}},o.onFragLoaded=function(e){var t,r,i,a,n=e.frag;"main"===n.type&&Object(F.isFiniteNumber)(n.sn)&&(this.clearTimer(),this.lastLoadedFragLevel=n.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate&&(r=((t=this.hls.levels[n.level]).loaded?t.loaded.bytes:0)+e.stats.loaded,i=(t.loaded?t.loaded.duration:0)+e.frag.duration,t.loaded={bytes:r,duration:i},t.realBitrate=Math.round(8*r/i)),e.frag.bitrateTest&&((a=e.stats).tparsed=a.tbuffered=a.tload,this.onFragBuffered(e)))},o.onFragBuffered=function(e){var t,r=e.stats,i=e.frag;!0===r.aborted||"main"!==i.type||!Object(F.isFiniteNumber)(i.sn)||i.bitrateTest&&r.tload!==r.tbuffered||(t=r.tparsed-r.trequest,N.logger.log("latency/loading/parsing/append/kbps:"+Math.round(r.tfirst-r.trequest)+"/"+Math.round(r.tload-r.tfirst)+"/"+Math.round(r.tparsed-r.tload)+"/"+Math.round(r.tbuffered-r.tparsed)+"/"+Math.round(8*r.loaded/(r.tbuffered-r.trequest))),this._bwEstimator.sample(t,r.loaded),r.bwEstimate=this._bwEstimator.getEstimate(),i.bitrateTest?this.bitrateTestDelay=t/1e3:this.bitrateTestDelay=0)},o.onError=function(e){switch(e.details){case h.ErrorDetails.FRAG_LOAD_ERROR:case h.ErrorDetails.FRAG_LOAD_TIMEOUT:this.clearTimer()}},o.clearTimer=function(){clearInterval(this.timer),this.timer=null},o._findBestLevel=function(e,t,r,i,a,n,s,o,l){for(var u=a;i<=u;u--){var d=l[u];if(d){var c=d.details,h=c?c.totalduration/c.fragments.length:t,f=!!c&&c.live,g=void 0,g=u<=e?s*r:o*r,p=l[u].realBitrate?Math.max(l[u].realBitrate,l[u].bitrate):l[u].bitrate,v=p*h/g;if(N.logger.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+u+"/"+Math.round(g)+"/"+p+"/"+h+"/"+n+"/"+v),p<g&&(!v||f&&!this.bitrateTestDelay||v<n))return u}}return-1},a=i,(n=[{key:"nextAutoLevel",get:function(){var e=this._nextAutoLevel,t=this._bwEstimator;if(!(-1===e||t&&t.canEstimate()))return e;var r=this._nextABRAutoLevel;return-1!==e&&(r=Math.min(e,r)),r},set:function(e){this._nextAutoLevel=e}},{key:"_nextABRAutoLevel",get:function(){var e=this.hls,t=e.maxAutoLevel,r=e.levels,i=e.config,a=e.minAutoLevel,n=e.media,s=this.lastLoadedFragLevel,o=this.fragCurrent?this.fragCurrent.duration:0,l=n?n.currentTime:0,u=n&&0!==n.playbackRate?Math.abs(n.playbackRate):1,d=this._bwEstimator?this._bwEstimator.getEstimate():i.abrEwmaDefaultEstimate,c=(Y.bufferInfo(n,l,i.maxBufferHole).end-l)/u,h=this._findBestLevel(s,o,d,a,t,c,i.abrBandWidthFactor,i.abrBandWidthUpFactor,r);if(0<=h)return h;N.logger.trace("rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering");var f,g=o?Math.min(o,i.maxStarvationDelay):i.maxStarvationDelay,p=i.abrBandWidthFactor,v=i.abrBandWidthUpFactor;return 0!=c||(f=this.bitrateTestDelay)&&(g=(o?Math.min(o,i.maxLoadingDelay):i.maxLoadingDelay)-f,N.logger.trace("bitrate test took "+Math.round(1e3*f)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*g)+" ms"),p=v=1),h=this._findBestLevel(s,o,d,a,t,c+g,p,v,r),Math.max(h,0)}}])&&He(a.prototype,n),s&&He(a,s),i}(u);var We=X(),qe=function(t){var e,r;function i(e){var o=t.call(this,e,M.default.MEDIA_ATTACHING,M.default.MEDIA_DETACHING,M.default.MANIFEST_PARSED,M.default.BUFFER_RESET,M.default.BUFFER_APPENDING,M.default.BUFFER_CODECS,M.default.BUFFER_EOS,M.default.BUFFER_FLUSHING,M.default.LEVEL_PTS_UPDATED,M.default.LEVEL_UPDATED)||this;return o._msDuration=null,o._levelDuration=null,o._levelTargetDuration=10,o._live=null,o._objectUrl=null,o._needsFlush=!1,o._needsEos=!1,o.config=void 0,o.audioTimestampOffset=void 0,o.bufferCodecEventsExpected=0,o._bufferCodecEventsTotal=0,o.media=null,o.mediaSource=null,o.segments=[],o.parent=void 0,o.appending=!1,o.appended=0,o.appendError=0,o.flushBufferCounter=0,o.tracks={},o.pendingTracks={},o.sourceBuffer={},o.flushRange=[],o._onMediaSourceOpen=function(){N.logger.log("media source opened"),o.hls.trigger(M.default.MEDIA_ATTACHED,{media:o.media});var e=o.mediaSource;e&&e.removeEventListener("sourceopen",o._onMediaSourceOpen),o.checkPendingTracks()},o._onMediaSourceClose=function(){N.logger.log("media source closed")},o._onMediaSourceEnded=function(){N.logger.log("media source ended")},o._onSBUpdateEnd=function(){var e;o.audioTimestampOffset&&o.sourceBuffer.audio&&(e=o.sourceBuffer.audio,N.logger.warn("change mpeg audio timestamp offset from "+e.timestampOffset+" to "+o.audioTimestampOffset),e.timestampOffset=o.audioTimestampOffset,delete o.audioTimestampOffset),o._needsFlush&&o.doFlush(),o._needsEos&&o.checkEos(),o.appending=!1;var r=o.parent,t=o.segments.reduce(function(e,t){return t.parent===r?e+1:e},0),i={},a=o.sourceBuffer;for(var n in a){var s=a[n];if(!s)throw Error("handling source buffer update end error: source buffer for "+n+" uninitilized and unable to update buffered TimeRanges.");i[n]=s.buffered}o.hls.trigger(M.default.BUFFER_APPENDED,{parent:r,pending:t,timeRanges:i}),o._needsFlush||o.doAppending(),o.updateMediaElementDuration(),0===t&&o.flushLiveBackBuffer()},o._onSBUpdateError=function(e){N.logger.error("sourceBuffer error:",e),o.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.MEDIA_ERROR,details:h.ErrorDetails.BUFFER_APPENDING_ERROR,fatal:!1})},o.config=e.config,o}r=t,(e=i).prototype=Object.create(r.prototype),(e.prototype.constructor=e).__proto__=r;var a=i.prototype;return a.destroy=function(){u.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(.1<Math.abs(i.timestampOffset-e.start)){var a=i.updating;try{i.abort()}catch(e){N.logger.warn("can not abort audio buffer: "+e)}a?this.audioTimestampOffset=e.start:(N.logger.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,N.logger.log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},a.onMediaAttaching=function(e){var t,r=this.media=e.media;r&&We&&((t=this.mediaSource=new We).addEventListener("sourceopen",this._onMediaSourceOpen),t.addEventListener("sourceended",this._onMediaSourceEnded),t.addEventListener("sourceclose",this._onMediaSourceClose),r.src=window.URL.createObjectURL(t),this._objectUrl=r.src)},a.onMediaDetaching=function(){N.logger.log("media source detaching");var e=this.mediaSource;if(e){if("open"===e.readyState)try{e.endOfStream()}catch(e){N.logger.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()):N.logger.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(M.default.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(t){var r=this;Object.keys(this.sourceBuffer).length||(Object.keys(t).forEach(function(e){r.pendingTracks[e]=t[e]}),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;N.logger.log("creating sourceBuffer("+s+")");try{var o=t[i]=r.addSourceBuffer(s);o.addEventListener("updateend",this._onSBUpdateEnd),o.addEventListener("error",this._onSBUpdateError),this.tracks[i]={buffer:o,codec:n,id:a.id,container:a.container,levelCodec:a.levelCodec}}catch(e){N.logger.error("error while trying to add sourceBuffer:"+e.message),this.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.MEDIA_ERROR,details:h.ErrorDetails.BUFFER_ADD_CODEC_ERROR,fatal:!1,err:e,mimeType:s})}}this.hls.trigger(M.default.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){var r;e.type&&e.type!==t||(r=this.sourceBuffer[t])&&!r.ended&&(r.ended=!0,N.logger.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)}}N.logger.log("all media data are available, signal endOfStream() to MediaSource and stop loading fragment");try{t.endOfStream()}catch(e){N.logger.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;0<=n;n--){var s,o=i[n],l=r[o];!l||0<(s=l.buffered).length&&a>s.start(0)&&this.removeBufferRange(o,l,0,a)&&this.hls.trigger(M.default.LIVE_BACK_BUFFER_REACHED,{bufferEnd:a})}else N.logger.error("flushLiveBackBuffer called without attaching media")}},a.onLevelUpdated=function(e){var t=e.details;0<t.fragments.length&&(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?(N.logger.log("Media Source duration is set to Infinity"),this._msDuration=this.mediaSource.duration=1/0):(this._levelDuration>this._msDuration&&this._levelDuration>e||!Object(F.isFiniteNumber)(e))&&(N.logger.log("Updating Media Source duration to "+this._levelDuration.toFixed(3)),this._msDuration=this.mediaSource.duration=this._levelDuration)}},a.doFlush=function(){for(;this.flushRange.length;){var e=this.flushRange[0];if(!this.flushBuffer(e.start,e.end,e.type))return void(this._needsFlush=!0);this.flushRange.shift(),this.flushBufferCounter=0}if(0===this.flushRange.length){this._needsFlush=!1;var t=0,r=this.sourceBuffer;try{for(var i in r){var a=r[i];a&&(t+=a.buffered.length)}}catch(e){N.logger.error("error while accessing sourceBuffer.buffered")}this.appended=t,this.hls.trigger(M.default.BUFFER_FLUSHED)}},a.doAppending=function(){var t=this.config,r=this.hls,i=this.segments,e=this.sourceBuffer;if(Object.keys(e).length){if(!this.media||this.media.error)return this.segments=[],void N.logger.error("trying to append although a media error occured, flush segment and abort");if(!this.appending){var a=i.shift();if(a)try{var n=e[a.type];if(!n)return void this._onSBUpdateEnd();if(n.updating)return void i.unshift(a);n.ended=!1,this.parent=a.parent,n.appendBuffer(a.data),this.appendError=0,this.appended++,this.appending=!0}catch(e){N.logger.error("error while trying to append buffer:"+e.message),i.unshift(a);var s={type:h.ErrorTypes.MEDIA_ERROR,parent:a.parent,details:"",fatal:!1};22===e.code?(this.segments=[],s.details=h.ErrorDetails.BUFFER_FULL_ERROR):(this.appendError++,s.details=h.ErrorDetails.BUFFER_APPEND_ERROR,this.appendError>t.appendErrorMaxRetry&&(N.logger.log("fail "+t.appendErrorMaxRetry+" times to append segment in sourceBuffer"),this.segments=[],s.fatal=!0)),r.trigger(M.default.ERROR,s)}}}},a.flushBuffer=function(e,t,r){var i=this.sourceBuffer;if(!Object.keys(i).length)return!0;var a="null";if(this.media&&(a=this.media.currentTime.toFixed(3)),N.logger.log("flushBuffer,pos/start/end: "+a+"/"+e+"/"+t),this.flushBufferCounter>=this.appended)return N.logger.warn("abort flushing too many retries"),!0;var n=i[r];if(n){if(n.ended=!1,n.updating)return N.logger.warn("cannot flush, sb updating in progress"),!1;if(this.removeBufferRange(r,n,e,t))return this.flushBufferCounter++,!1}return N.logger.log("buffer flushed"),!0},a.removeBufferRange=function(e,t,r,i){try{for(var a=0;a<t.buffered.length;a++){var n=t.buffered.start(a),s=t.buffered.end(a),o=Math.max(n,r),l=Math.min(s,i);if(.5<Math.min(l,s)-o){var u="null";return this.media&&(u=this.media.currentTime.toString()),N.logger.log("sb remove "+e+" ["+o+","+l+"], of ["+n+","+s+"], pos:"+u),t.remove(o,l),!0}}}catch(e){N.logger.warn("removeBufferRange failed",e)}return!1},i}(u);function ze(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(r){var e,t;function a(e){var t=r.call(this,e,M.default.FPS_DROP_LEVEL_CAPPING,M.default.MEDIA_ATTACHING,M.default.MANIFEST_PARSED,M.default.BUFFER_CODECS,M.default.MEDIA_DETACHING)||this;return t.autoLevelCapping=Number.POSITIVE_INFINITY,t.firstLevel=null,t.levels=[],t.media=null,t.restrictedLevels=[],t.timer=null,t}t=r,(e=a).prototype=Object.create(t.prototype),(e.prototype.constructor=e).__proto__=t;var i,n,s,o=a.prototype;return o.destroy=function(){this.hls.config.capLevelToPlayerSize&&(this.media=null,this.stopCapping())},o.onFpsDropLevelCapping=function(e){a.isLevelAllowed(e.droppedLevel,this.restrictedLevels)&&this.restrictedLevels.push(e.droppedLevel)},o.onMediaAttaching=function(e){this.media=e.media instanceof window.HTMLVideoElement?e.media:null},o.onManifestParsed=function(e){var t=this.hls;this.restrictedLevels=[],this.levels=e.levels,this.firstLevel=e.firstLevel,t.config.capLevelToPlayerSize&&e.video&&this.startCapping()},o.onBufferCodecs=function(e){this.hls.config.capLevelToPlayerSize&&e.video&&this.startCapping()},o.onLevelsUpdated=function(e){this.levels=e.levels},o.onMediaDetaching=function(){this.stopCapping()},o.detectPlayerSize=function(){var e,t;!this.media||(e=this.levels?this.levels.length:0)&&((t=this.hls).autoLevelCapping=this.getMaxLevel(e-1),t.autoLevelCapping>this.autoLevelCapping&&t.streamController.nextLevelSwitch(),this.autoLevelCapping=t.autoLevelCapping)},o.getMaxLevel=function(r){var i=this;if(!this.levels)return-1;var e=this.levels.filter(function(e,t){return a.isLevelAllowed(t,i.restrictedLevels)&&t<=r});return a.getMaxLevelByMediaSize(e,this.mediaWidth,this.mediaHeight)},o.startCapping=function(){this.timer||(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.hls.firstLevel=this.getMaxLevel(this.firstLevel),clearInterval(this.timer),this.timer=setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},o.stopCapping=function(){this.restrictedLevels=[],this.firstLevel=null,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(this.timer=clearInterval(this.timer),this.timer=null)},a.isLevelAllowed=function(e,t){return void 0===t&&(t=[]),-1===t.indexOf(e)},a.getMaxLevelByMediaSize=function(e,t,r){if(!e||e&&!e.length)return-1;for(var i,a,n=e.length-1,s=0;s<e.length;s+=1){var o=e[s];if((o.width>=t||o.height>=r)&&(i=o,!(a=e[s+1])||i.width!==a.width||i.height!==a.height)){n=s;break}}return n},i=a,s=[{key:"contentScaleFactor",get:function(){var e=1;try{e=window.devicePixelRatio}catch(e){}return e}}],(n=[{key:"mediaWidth",get:function(){var e,t=this.media;return t&&(e=t.width||t.clientWidth||t.offsetWidth,e*=a.contentScaleFactor),e}},{key:"mediaHeight",get:function(){var e,t=this.media;return t&&(e=t.height||t.clientHeight||t.offsetHeight,e*=a.contentScaleFactor),e}}])&&ze(i.prototype,n),s&&ze(i,s),a}(u);var Qe=window.performance,$e=function(t){var e,r;function i(e){return t.call(this,e,M.default.MEDIA_ATTACHING)||this}r=t,(e=i).prototype=Object.create(r.prototype),(e.prototype.constructor=e).__proto__=r;var a=i.prototype;return a.destroy=function(){this.timer&&clearInterval(this.timer),this.isVideoPlaybackQualityAvailable=!1},a.onMediaAttaching=function(e){var t=this.hls.config;t.capLevelOnFPSDrop&&("function"==typeof(this.video=e.media instanceof window.HTMLVideoElement?e.media:null).getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),clearInterval(this.timer),this.timer=setInterval(this.checkFPSInterval.bind(this),t.fpsDroppedMonitoringPeriod))},a.checkFPS=function(e,t,r){var i,a,n,s,o,l,u=Qe.now();t&&(this.lastTime&&(i=u-this.lastTime,a=r-this.lastDroppedFrames,n=t-this.lastDecodedFrames,s=1e3*a/i,(o=this.hls).trigger(M.default.FPS_DROP,{currentDropped:a,currentDecoded:n,totalDroppedFrames:r}),0<s&&a>o.config.fpsDroppedMonitoringThreshold*n&&(l=o.currentLevel,N.logger.warn("drop FPS ratio greater than max allowed value for currentLevel: "+l),0<l&&(-1===o.autoLevelCapping||o.autoLevelCapping>=l)&&(--l,o.trigger(M.default.FPS_DROP_LEVEL_CAPPING,{level:l,droppedLevel:o.currentLevel}),o.autoLevelCapping=l,o.streamController.nextLevelSwitch()))),this.lastTime=u,this.lastDroppedFrames=r,this.lastDecodedFrames=t)},a.checkFPSInterval=function(){var e,t=this.video;t&&(this.isVideoPlaybackQualityAvailable?(e=t.getVideoPlaybackQuality(),this.checkFPS(t,e.totalVideoFrames,e.droppedVideoFrames)):this.checkFPS(t,t.webkitDecodedFrameCount,t.webkitDroppedFrameCount))},i}(u),Je=window,Ze=Je.performance,et=Je.XMLHttpRequest,tt=function(){function e(e){e&&e.xhrSetup&&(this.xhrSetup=e.xhrSetup)}var t=e.prototype;return 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 t=this.context,r=this.loader=new et,e=this.stats;e.tfirst=0,e.loaded=0;var i=this.xhrSetup;try{if(i)try{i(r,t.url)}catch(e){r.open("GET",t.url,!0),i(r,t.url)}r.readyState||r.open("GET",t.url,!0)}catch(e){return void this.callbacks.onError({code:r.status,text:e.message},t,r)}t.rangeEnd&&r.setRequestHeader("Range","bytes="+t.rangeStart+"-"+(t.rangeEnd-1)),r.onreadystatechange=this.readystatechange.bind(this),r.onprogress=this.loadprogress.bind(this),r.responseType=t.responseType,this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),this.config.timeout),r.send()},t.readystatechange=function(e){var t,r,i,a,n=e.currentTarget,s=n.readyState,o=this.stats,l=this.context,u=this.config;o.aborted||2<=s&&(window.clearTimeout(this.requestTimeout),0===o.tfirst&&(o.tfirst=Math.max(Ze.now(),o.trequest)),4===s?200<=(t=n.status)&&t<300?(o.tload=Math.max(o.tfirst,Ze.now()),i="arraybuffer"===l.responseType?(r=n.response).byteLength:(r=n.responseText).length,o.loaded=o.total=i,a={url:n.responseURL,data:r},this.callbacks.onSuccess(a,o,l,n)):o.retry>=u.maxRetry||400<=t&&t<499?(N.logger.error(t+" while loading "+l.url),this.callbacks.onError({code:t,text:n.statusText},l,n)):(N.logger.warn(t+" while loading "+l.url+", retrying in "+this.retryDelay+"..."),this.destroy(),this.retryTimeout=window.setTimeout(this.loadInternal.bind(this),this.retryDelay),this.retryDelay=Math.min(2*this.retryDelay,u.maxRetryDelay),o.retry++):this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),u.timeout))},t.loadtimeout=function(){N.logger.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(r){var e,t;function i(e){var t=r.call(this,e,M.default.MANIFEST_LOADING,M.default.MANIFEST_PARSED,M.default.AUDIO_TRACK_LOADED,M.default.AUDIO_TRACK_SWITCHED,M.default.LEVEL_LOADED,M.default.ERROR)||this;return t._trackId=-1,t._selectDefaultTrack=!0,t.tracks=[],t.trackIdBlacklist=Object.create(null),t.audioGroupId=null,t}t=r,(e=i).prototype=Object.create(t.prototype),(e.prototype.constructor=e).__proto__=t;var a,n,s,o=i.prototype;return o.onManifestLoading=function(){this.tracks=[],this._trackId=-1,this._selectDefaultTrack=!0},o.onManifestParsed=function(e){var t=this.tracks=e.audioTracks||[];this.hls.trigger(M.default.AUDIO_TRACKS_UPDATED,{audioTracks:t}),this._selectAudioGroup(this.hls.nextLoadLevel)},o.onAudioTrackLoaded=function(e){var t;e.id>=this.tracks.length?N.logger.warn("Invalid audio track id:",e.id):(N.logger.log("audioTrack "+e.id+" loaded"),this.tracks[e.id].details=e.details,e.details.live&&!this.hasInterval()&&(t=1e3*e.details.targetduration,this.setInterval(t)),!e.details.live&&this.hasInterval()&&this.clearInterval())},o.onAudioTrackSwitched=function(e){var t=this.tracks[e.id].groupId;t&&this.audioGroupId!==t&&(this.audioGroupId=t)},o.onLevelLoaded=function(e){this._selectAudioGroup(e.level)},o.onError=function(e){e.type===h.ErrorTypes.NETWORK_ERROR&&(e.fatal&&this.clearInterval(),e.details===h.ErrorDetails.AUDIO_TRACK_LOAD_ERROR&&(N.logger.warn("Network failure on audio-track id:",e.context.id),this._handleLoadError()))},o._setAudioTrack=function(e){var t,r,i,a;this._trackId===e&&this.tracks[this._trackId].details?N.logger.debug("Same id as current audio-track passed, and track details available -> no-op"):e<0||e>=this.tracks.length?N.logger.warn("Invalid id passed to audio-track controller"):(t=this.tracks[e],N.logger.log("Now switching to audio-track index "+e),this.clearInterval(),this._trackId=e,r=t.url,i=t.type,a=t.id,this.hls.trigger(M.default.AUDIO_TRACK_SWITCHING,{id:a,type:i,url:r}),this._loadTrackDetailsIfNeeded(t))},o.doTick=function(){this._updateTrack(this._trackId)},o._selectAudioGroup=function(e){var t,r=this.hls.levels[e];r&&r.audioGroupIds&&(t=r.audioGroupIds[r.urlId],this.audioGroupId!==t&&(this.audioGroupId=t,this._selectInitialAudioTrack()))},o._selectInitialAudioTrack=function(){var e,t,r,i,a,n=this,s=this.tracks;s.length&&(e=this.tracks[this._trackId],t=null,e&&(t=e.name),this._selectDefaultTrack&&((r=s.filter(function(e){return e.default})).length?s=r:N.logger.warn("No default audio tracks defined")),i=!1,(a=function(){s.forEach(function(e){i||n.audioGroupId&&e.groupId!==n.audioGroupId||t&&t!==e.name||(n._setAudioTrack(e.id),i=!0)})})(),i||(t=null,a()),i||(N.logger.error("No track found for running audio group-ID: "+this.audioGroupId),this.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.MEDIA_ERROR,details:h.ErrorDetails.AUDIO_TRACK_LOAD_ERROR,fatal:!0})))},o._needsTrackLoading=function(e){var t=e.details,r=e.url;return!(t&&!t.live)&&!!r},o._loadTrackDetailsIfNeeded=function(e){var t,r;this._needsTrackLoading(e)&&(t=e.url,r=e.id,N.logger.log("loading audio-track playlist for id: "+r),this.hls.trigger(M.default.AUDIO_TRACK_LOADING,{url:t,id:r}))},o._updateTrack=function(e){var t;e<0||e>=this.tracks.length||(this.clearInterval(),this._trackId=e,N.logger.log("trying to update audio-track "+e),t=this.tracks[e],this._loadTrackDetailsIfNeeded(t))},o._handleLoadError=function(){this.trackIdBlacklist[this._trackId]=!0;var e=this._trackId,t=this.tracks[e],r=t.name,i=t.language,a=t.groupId;N.logger.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?(N.logger.log("Attempting audio-track fallback id:",n,"group-id:",this.tracks[n].groupId),this._setAudioTrack(n)):N.logger.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)}}function nt(){return{decode:function(e){if(!e)return"";if("string"!=typeof e)throw new Error("Error - expected string data.");return decodeURIComponent(encodeURIComponent(e))}}}var st=window.performance,ot=function(i){var e,t;function r(e,t){var r=i.call(this,e,M.default.MEDIA_ATTACHED,M.default.MEDIA_DETACHING,M.default.AUDIO_TRACKS_UPDATED,M.default.AUDIO_TRACK_SWITCHING,M.default.AUDIO_TRACK_LOADED,M.default.KEY_LOADED,M.default.FRAG_LOADED,M.default.FRAG_PARSING_INIT_SEGMENT,M.default.FRAG_PARSING_DATA,M.default.FRAG_PARSED,M.default.ERROR,M.default.BUFFER_RESET,M.default.BUFFER_CREATED,M.default.BUFFER_APPENDED,M.default.BUFFER_FLUSHED,M.default.INIT_PTS_FOUND)||this;return r.fragmentTracker=t,r.config=e.config,r.audioCodecSwap=!1,r._state=ve,r.initPTS=[],r.waitingFragment=null,r.videoTrackCC=null,r}t=i,(e=r).prototype=Object.create(t.prototype),(e.prototype.constructor=e).__proto__=t;var a,n,s,o=r.prototype;return o.onInitPtsFound=function(e){var t=e.id,r=e.frag.cc,i=e.initPTS;"main"===t&&(this.initPTS[r]=i,this.videoTrackCC=r,N.logger.log("InitPTS for cc: "+r+" found from video track: "+i),this.state===De&&this.tick())},o.startLoad=function(e){var t;this.tracks?(t=this.lastCurrentTime,this.stopLoad(),this.setInterval(100),(this.fragLoadError=0)<t&&-1===e?(N.logger.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()):(this.startPosition=e,this.state=ve)},o.doTick=function(){var e,t,r,i,a,n=this.hls,s=n.config;switch(this.state){case Le:case Ee:case ke:break;case me:this.state=_e,this.loadedmetadata=!1;break;case ye:var o=this.tracks;if(!o)break;if(!this.media&&(this.startFragRequested||!s.startFragPrefetch))break;if(this.loadedmetadata)e=this.media.currentTime;else if(void 0===(e=this.nextLoadPosition))break;var l=this.mediaBuffer?this.mediaBuffer:this.media,u=this.videoBuffer?this.videoBuffer:this.media,d=Y.bufferInfo(l,e,s.maxBufferHole),c=Y.bufferInfo(u,e,s.maxBufferHole),h=d.len,f=d.end,g=this.fragPrevious,p=Math.min(s.maxBufferLength,s.maxMaxBufferLength),v=Math.max(p,c.len),m=this.audioSwitch,y=this.trackId;if((h<v||m)&&y<o.length){if(void 0===(r=o[y].details)){this.state=_e;break}if(!m&&this._streamEnded(d,r))return this.hls.trigger(M.default.BUFFER_EOS,{type:"audio"}),void(this.state=we);var E,T=r.fragments,b=T.length,S=T[0].start,_=T[b-1].start+T[b-1].duration;if(m)if(r.live&&!r.PTSKnown)N.logger.log("switching audiotrack, live stream, unknown PTS,load first fragment"),f=0;else if(f=e,r.PTSKnown&&e<S){if(!(d.end>S||d.nextStart))return;N.logger.log("alt audio track ahead of main track, seek to start of alt audio track"),this.media.currentTime=S+.05}if(r.initSegment&&!r.initSegment.data)E=r.initSegment;else if(f<=S){if(E=T[0],null!==this.videoTrackCC&&E.cc!==this.videoTrackCC&&(i=T,a=this.videoTrackCC,E=V.search(i,function(e){return e.cc<a?1:e.cc>a?-1:0})),r.live&&E.loadIdx&&E.loadIdx===this.fragLoadIdx){var R=d.nextStart?d.nextStart:S;return N.logger.log("no alt audio available @currentTime:"+this.media.currentTime+", seeking @"+(R+.05)),void(this.media.currentTime=R+.05)}}else{var A=s.maxFragLookUpTolerance,k=g?T[g.sn-T[0].sn+1]:void 0,w=function(e){var t=Math.min(A,e.duration);return e.start+e.duration-t<=f?1:e.start-t>f&&e.start?-1:0},L=f<_?(_-A<f&&(A=0),k&&!w(k)?k:V.search(T,w)):T[b-1];L&&(S=(E=L).start,g&&E.level===g.level&&E.sn===g.sn&&(E.sn<r.endSN?(E=T[E.sn+1-r.startSN],N.logger.log("SN just loaded, load next one: "+E.sn)):E=null))}E&&(E.encrypted?(N.logger.log("Loading key for "+E.sn+" of ["+r.startSN+" ,"+r.endSN+"],track "+y),this.state=Te,n.trigger(M.default.KEY_LOADING,{frag:E})):(N.logger.log("Loading "+E.sn+", cc: "+E.cc+" of ["+r.startSN+" ,"+r.endSN+"],track "+y+", currentTime:"+e+",bufferEnd:"+f.toFixed(3)),this.fragCurrent=E,!m&&this.fragmentTracker.getState(E)!==B||("initSegment"!==E.sn&&(this.startFragRequested=!0),Object(F.isFiniteNumber)(E.sn)&&(this.nextLoadPosition=E.start+E.duration),n.trigger(M.default.FRAG_LOADING,{frag:E}),this.state=be)))}break;case _e:(t=this.tracks[this.trackId])&&t.details&&(this.state=ye);break;case Se:var D=st.now(),O=this.retryDate,C=(l=this.media)&&l.seeking;(!O||O<=D||C)&&(N.logger.log("audioStreamController: retryDate reached, switch back to IDLE state"),this.state=ye);break;case De:var I=this.videoTrackCC;if(void 0===this.initPTS[I])break;var x,P=this.waitingFragment;P?I!==(x=P.frag.cc)?(t=this.tracks[this.trackId]).details&&t.details.live&&(N.logger.warn("Waiting fragment CC ("+x+") does not match video track CC ("+I+")"),this.waitingFragment=null,this.state=ye):(this.state=be,this.onFragLoaded(this.waitingFragment),this.waitingFragment=null):this.state=ye}},o.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)},o.onMediaDetaching=function(){var e=this.media;e&&e.ended&&(N.logger.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()},o.onAudioTracksUpdated=function(e){N.logger.log("audio tracks updated"),this.tracks=e.audioTracks},o.onAudioTrackSwitching=function(e){var t=!!e.url;this.trackId=e.id,this.fragCurrent=null,this.state=Ee,this.waitingFragment=null,t?this.setInterval(100):this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),t&&(this.audioSwitch=!0,this.state=ye),this.tick()},o.onAudioTrackLoaded=function(e){var t,r,i=e.details,a=e.id,n=this.tracks[a],s=i.totalduration,o=0;N.logger.log("track "+a+" loaded ["+i.startSN+","+i.endSN+"],duration:"+s),i.live?(t=n.details)&&0<i.fragments.length?(ae(t,i),o=i.fragments[0].start,i.PTSKnown?N.logger.log("live audio playlist sliding:"+o.toFixed(3)):N.logger.log("live audio playlist - outdated PTS, unknown sliding")):(i.PTSKnown=!1,N.logger.log("live audio playlist - first load, unknown sliding")):i.PTSKnown=!1,n.details=i,this.startFragRequested||(-1===this.startPosition&&(r=i.startTimeOffset,Object(F.isFiniteNumber)(r)?(N.logger.log("start time offset found in playlist, adjust startPosition to "+r),this.startPosition=r):i.live?(this.startPosition=this.computeLivePosition(o,i),N.logger.log("compute startPosition for audio-track to "+this.startPosition)):this.startPosition=0),this.nextLoadPosition=this.startPosition),this.state===_e&&(this.state=ye),this.tick()},o.onKeyLoaded=function(){this.state===Te&&(this.state=ye,this.tick())},o.onFragLoaded=function(e){var t,r,i,a,n,s,o,l,u,d,c=this.fragCurrent,h=e.frag;this.state===be&&c&&"audio"===h.type&&h.level===c.level&&h.sn===c.sn&&(i=(r=(t=this.tracks[this.trackId]).details).totalduration,a=c.level,n=c.sn,s=c.cc,o=this.config.defaultAudioCodec||t.audioCodec||"mp4a.40.2",l=this.stats=e.stats,"initSegment"===n?(this.state=ye,l.tparsed=l.tbuffered=st.now(),r.initSegment.data=e.payload,this.hls.trigger(M.default.FRAG_BUFFERED,{stats:l,frag:c,id:"audio"}),this.tick()):(this.state=Re,this.appended=!1,this.demuxer||(this.demuxer=new ee(this.hls,"audio")),u=this.initPTS[s],d=r.initSegment?r.initSegment.data:[],r.initSegment||void 0!==u?(this.pendingBuffering=!0,N.logger.log("Demuxing "+n+" of ["+r.startSN+" ,"+r.endSN+"],track "+a),this.demuxer.push(e.payload,d,o,null,c,i,!1,u)):(N.logger.log("unknown video PTS for continuity counter "+s+", waiting for video PTS before demuxing audio frag "+n+" of ["+r.startSN+" ,"+r.endSN+"],track "+a),this.waitingFragment=e,this.state=De))),this.fragLoadError=0},o.onFragParsingInitSegment=function(e){var t,r,i,a,n=this.fragCurrent,s=e.frag;n&&"audio"===e.id&&s.sn===n.sn&&s.level===n.level&&this.state===Re&&((t=e.tracks).video&&delete t.video,(r=t.audio)&&(r.levelCodec=r.codec,r.id=e.id,this.hls.trigger(M.default.BUFFER_CODECS,t),N.logger.log("audio track:audio,container:"+r.container+",codecs[level/parsed]=["+r.levelCodec+"/"+r.codec+"]"),(i=r.initSegment)&&(a={type:"audio",data:i,parent:"audio",content:"initSegment"},this.audioSwitch?this.pendingData=[a]:(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(M.default.BUFFER_APPENDING,a))),this.tick()))},o.onFragParsingData=function(t){var r=this,e=this.fragCurrent,i=t.frag;if(e&&"audio"===t.id&&"audio"===t.type&&i.sn===e.sn&&i.level===e.level&&this.state===Re){var a=this.trackId,n=this.tracks[a],s=this.hls;Object(F.isFiniteNumber)(t.endPTS)||(t.endPTS=t.startPTS+e.duration,t.endDTS=t.startDTS+e.duration),e.addElementaryStream(f.AUDIO),N.logger.log("parsed "+t.type+",PTS:["+t.startPTS.toFixed(3)+","+t.endPTS.toFixed(3)+"],DTS:["+t.startDTS.toFixed(3)+"/"+t.endDTS.toFixed(3)+"],nb:"+t.nb),ie(n.details,e,t.startPTS,t.endPTS);var o,l=this.audioSwitch,u=this.media,d=!1;l&&(u&&u.readyState?(o=u.currentTime,N.logger.log("switching audio track : currentTime:"+o),o>=t.startPTS&&(N.logger.log("switching audio track : flushing all audio"),this.state=ke,s.trigger(M.default.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),d=!0,this.audioSwitch=!1,s.trigger(M.default.AUDIO_TRACK_SWITCHED,{id:a}))):(this.audioSwitch=!1,s.trigger(M.default.AUDIO_TRACK_SWITCHED,{id:a})));var c=this.pendingData;if(!c)return N.logger.warn("Apparently attempt to enqueue media payload without codec initialization data upfront"),void s.trigger(M.default.ERROR,{type:h.ErrorTypes.MEDIA_ERROR,details:null,fatal:!0});this.audioSwitch||([t.data1,t.data2].forEach(function(e){e&&e.length&&c.push({type:t.type,data:e,parent:"audio",content:"data"})}),!d&&c.length&&(c.forEach(function(e){r.state===Re&&(r.pendingBuffering=!0,r.hls.trigger(M.default.BUFFER_APPENDING,e))}),this.pendingData=[],this.appended=!0)),this.tick()}},o.onFragParsed=function(e){var t=this.fragCurrent,r=e.frag;t&&"audio"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===Re&&(this.stats.tparsed=st.now(),this.state=Ae,this._checkAppendedParsed())},o.onBufferReset=function(){this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1},o.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)},o.onBufferAppended=function(e){var t;"audio"===e.parent&&((t=this.state)!==Re&&t!==Ae||(this.pendingBuffering=0<e.pending,this._checkAppendedParsed()))},o._checkAppendedParsed=function(){var e,t,r,i;this.state!==Ae||this.appended&&this.pendingBuffering||(e=this.fragCurrent,t=this.stats,r=this.hls,e&&(this.fragPrevious=e,t.tbuffered=st.now(),r.trigger(M.default.FRAG_BUFFERED,{stats:t,frag:e,id:"audio"}),(i=this.mediaBuffer?this.mediaBuffer:this.media)&&N.logger.log("audio buffered : "+oe.toString(i.buffered)),this.audioSwitch&&this.appended&&(this.audioSwitch=!1,r.trigger(M.default.AUDIO_TRACK_SWITCHED,{id:this.trackId})),this.state=ye),this.tick())},o.onError=function(e){var t,r,i,a=e.frag;if(!a||"audio"===a.type)switch(e.details){case h.ErrorDetails.FRAG_LOAD_ERROR:case h.ErrorDetails.FRAG_LOAD_TIMEOUT:var n,s,o,l=e.frag;if(l&&"audio"!==l.type)break;e.fatal||((n=this.fragLoadError)?n++:n=1,n<=(s=this.config).fragLoadingMaxRetry?(this.fragLoadError=n,o=Math.min(Math.pow(2,n-1)*s.fragLoadingRetryDelay,s.fragLoadingMaxRetryTimeout),N.logger.warn("AudioStreamController: frag loading failed, retry in "+o+" ms"),this.retryDate=st.now()+o,this.state=Se):(N.logger.error("AudioStreamController: "+e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.state=Le));break;case h.ErrorDetails.AUDIO_TRACK_LOAD_ERROR:case h.ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT:case h.ErrorDetails.KEY_LOAD_ERROR:case h.ErrorDetails.KEY_LOAD_TIMEOUT:this.state!==Le&&(this.state=e.fatal?Le:ye,N.logger.warn("AudioStreamController: "+e.details+" while loading frag, now switching to "+this.state+" state ..."));break;case h.ErrorDetails.BUFFER_FULL_ERROR:"audio"!==e.parent||this.state!==Re&&this.state!==Ae||(t=this.mediaBuffer,r=this.media.currentTime,t&&Y.isBuffered(t,r)&&Y.isBuffered(t,r+.5)?((i=this.config).maxMaxBufferLength>=i.maxBufferLength&&(i.maxMaxBufferLength/=2,N.logger.warn("AudioStreamController: reduce max buffer length to "+i.maxMaxBufferLength+"s")),this.state=ye):(N.logger.warn("AudioStreamController: buffer full error also media.currentTime is not buffered, flush audio buffer"),this.fragCurrent=null,this.state=ke,this.hls.trigger(M.default.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"})))}},o.onBufferFlushed=function(){var t=this,e=this.pendingData;e&&e.length?(N.logger.log("AudioStreamController: appending pending audio data after buffer 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n},set:function(e){n=""+e}})),Object.defineProperty(i,"pauseOnExit",b({},a,{get:function(){return s},set:function(e){s=!!e}})),Object.defineProperty(i,"startTime",b({},a,{get:function(){return o},set:function(e){if("number"!=typeof e)throw new TypeError("Start time must be set to a number.");o=e,this.hasBeenReset=!0}})),Object.defineProperty(i,"endTime",b({},a,{get:function(){return l},set:function(e){if("number"!=typeof e)throw new TypeError("End time must be set to a number.");l=e,this.hasBeenReset=!0}})),Object.defineProperty(i,"text",b({},a,{get:function(){return u},set:function(e){u=""+e,this.hasBeenReset=!0}})),Object.defineProperty(i,"region",b({},a,{get:function(){return d},set:function(e){d=e,this.hasBeenReset=!0}})),Object.defineProperty(i,"vertical",b({},a,{get:function(){return c},set:function(e){var t,r="string"==typeof(t=e)&&!!E[t.toLowerCase()]&&t.toLowerCase();if(!1===r)throw new SyntaxError("An invalid or illegal string was 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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]*)?%$/)&&0<=(t=parseFloat(t))&&t<=100)&&(this.set(e,t),!0)}};var ht=new lt(0,0,0),ft="middle"===ht.align?"middle":"center";function gt(i,e,s){var a=i;function t(){var e,t=(e=i.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/))?e[3]?r(e[1],e[2],e[3].replace(":",""),e[4]):59<e[1]?r(e[1],e[2],0,e[4]):r(0,e[1],e[2],e[4]):null;function r(e,t,r,i){return 3600*(0|e)+60*(0|t)+(0|r)+(0|i)/1e3}if(null===t)throw new Error("Malformed timestamp: "+a);return i=i.replace(/^[^\sa-zA-Z-]+/,""),t}function r(){i=i.replace(/^\s+/,"")}if(r(),e.startTime=t(),r(),"--\x3e"!==i.substr(0,3))throw new Error("Malformed time stamp (time stamps must be separated by '--\x3e'): 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i=n.get("position","auto");"auto"===i&&50===ht.position&&(i="start"===t.align||"left"===t.align?0:"end"===t.align||"right"===t.align?100:50),t.position=i}(i,e)}function pt(e){return e.replace(/<br(?: \/)?>/gi,"\n")}ut.prototype={parse:function(e){var t,i=this;function r(){for(var e=0,t=pt(t=i.buffer);e<t.length&&"\r"!==t[e]&&"\n"!==t[e];)++e;var r=t.substr(0,e);return"\r"===t[e]&&++e,"\n"===t[e]&&++e,i.buffer=t.substr(e),r}e&&(i.buffer+=i.decoder.decode(e,{stream:!0}));try{if("INITIAL"===i.state){if(!/\r\n|\n/.test(i.buffer))return this;var a=(t=r()).match(/^()?WEBVTT([ \t].*)?$/);if(!a||!a[0])throw new Error("Malformed WebVTT signature.");i.state="HEADER"}for(var n=!1;i.buffer;){if(!/\r\n|\n/.test(i.buffer))return this;switch(n?n=!1:t=r(),i.state){case"HEADER":/:/.test(t)?ct(t,function(e,t){e},/:/):t||(i.state="ID");continue;case"NOTE":t||(i.state="ID");continue;case"ID":if(/^NOTE($|[ \t])/.test(t)){i.state="NOTE";break}if(!t)continue;if(i.cue=new lt(0,0,""),i.state="CUE",-1===t.indexOf("--\x3e")){i.cue.id=t;continue}case"CUE":try{gt(t,i.cue,i.regionList)}catch(e){i.cue=null,i.state="BADCUE";continue}i.state="CUETEXT";continue;case"CUETEXT":var s=-1!==t.indexOf("--\x3e");if(!t||s&&(n=!0)){i.oncue&&i.oncue(i.cue),i.cue=null,i.state="ID";continue}i.cue.text&&(i.cue.text+="\n"),i.cue.text+=t;continue;case"BADCUE":t||(i.state="ID");continue}}}catch(e){"CUETEXT"===i.state&&i.cue&&i.oncue&&i.oncue(i.cue),i.cue=null,i.state="INITIAL"===i.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)===r&&(r+=1e-4),n=new u(t,r,pt(l.trim())),16<=o?o--:o++,navigator.userAgent.match(/Firefox\//)?n.line=d+1:n.line=7<d?d-2:d+1,n.align="left",n.position=Math.max(0,Math.min(100,o/32*100)),e.addCue(n)}}function yt(e){var t=e;return Tt.hasOwnProperty(e)&&(t=Tt[e]),String.fromCharCode(t)}var Et,Tt={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},bt=100,St={17:1,18:3,21:5,22:7,23:9,16:11,19:12,20:14},_t={17:2,18:4,21:6,22:8,23:10,19:13,20:15},Rt={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},kt=["white","green","blue","cyan","red","yellow","magenta","black","transparent"];(Et={})[Et.ERROR=0]="ERROR",Et[Et.TEXT=1]="TEXT",Et[Et.WARNING=2]="WARNING",Et[Et.INFO=2]="INFO",Et[Et.DEBUG=3]="DEBUG",Et[Et.DATA=3]="DATA";function wt(e){for(var t=[],r=0;r<e.length;r++)t.push(e[r].toString(16));return t}function Lt(e,t,r){return e.substr(r||0,t.length)===t}function Dt(e){for(var t=5381,r=e.length;r;)t=33*t^e.charCodeAt(--r);return(t>>>0).toString()}var Ot={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){this.verboseFilter[e];this.verboseLevel}},Ct=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}(),It=function(){function e(e,t,r,i,a,n){this.uchar=void 0,this.penState=void 0,this.uchar=e||" ",this.penState=new Ct(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}(),xt=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<bt;e++)this.chars.push(new It);this.pos=0,this.currPenState=new Ct}var t=e.prototype;return t.equals=function(e){for(var t=!0,r=0;r<bt;r++)if(!this.chars[r].equals(e.chars[r])){t=!1;break}return t},t.copy=function(e){for(var t=0;t<bt;t++)this.chars[t].copy(e.chars[t])},t.isEmpty=function(){for(var e=!0,t=0;t<bt;t++)if(!this.chars[t].isEmpty()){e=!1;break}return e},t.setCursor=function(e){this.pos!==e&&(this.pos=e),this.pos<0?(Ot.log("ERROR","Negative cursor position "+this.pos),this.pos=0):this.pos>bt&&(Ot.log("ERROR","Too large cursor position "+this.pos),this.pos=bt)},t.moveCursor=function(e){var t=this.pos+e;if(1<e)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){144<=e&&this.backSpace();var t=yt(e);this.pos>=bt?Ot.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){for(var t=e;t<bt;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<bt;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}(),Pt=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 xt);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){Ot.log("INFO","setCursor: "+e),this.rows[this.currRow].setCursor(e)},t.setPAC=function(e){Ot.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&&Ot.time&&n<Ot.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,l,u=this.rows[this.currRow];null!==e.indent&&(o=e.indent,l=Math.max(o-1,0),u.setCursor(e.indent),e.color=u.chars[l].penState.foreground);var d={foreground:e.color,underline:e.underline,italics:e.italics,background:"black",flash:!1};this.setPen(d)},t.setBkgData=function(e){Ot.log("INFO","bkgData = "+JSON.stringify(e)),this.backSpace(),this.setPen(e),this.insertChar(32)},t.setRollUpRows=function(e){this.nrRollUpRows=e},t.rollUp=function(){var e,t;null!==this.nrRollUpRows?(Ot.log("TEXT",this.getDisplayText()),e=this.currRow+1-this.nrRollUpRows,(t=this.rows.splice(e,1)[0]).clear(),this.rows.splice(this.currRow,0,t),Ot.log("INFO","Rolling up")):Ot.log("DEBUG","roll_up but nrRollUpRows not set yet")},t.getDisplayText=function(e){e=e||!1;for(var t,r=[],i="",a=0;a<15;a++){var n=this.rows[a].getTextString();n&&(t=a+1,e?r.push("Row "+t+": '"+n+"'"):r.push(n.trim()))}return 0<r.length&&(i=e?"["+r.join(" | ")+"]":r.join("\n")),i},t.getTextAndFormat=function(){return this.rows},e}(),Ft=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 Pt,this.nonDisplayedMemory=new Pt,this.lastOutputScreen=new Pt,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,Ot.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";Ot.log("INFO",r+": "+this.writeScreen.getDisplayText(!0)),"MODE_PAINT-ON"!==this.mode&&"MODE_ROLL-UP"!==this.mode||(Ot.log("TEXT","DISPLAYED: "+this.displayedMemory.getDisplayText(!0)),this.outputDataUpdate())},t.ccRCL=function(){Ot.log("INFO","RCL - Resume Caption Loading"),this.setMode("MODE_POP-ON")},t.ccBS=function(){Ot.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(){Ot.log("INFO","DER- Delete to End of Row"),this.writeScreen.clearToEndOfRow(),this.outputDataUpdate()},t.ccRU=function(e){Ot.log("INFO","RU("+e+") - Roll Up"),this.writeScreen=this.displayedMemory,this.setMode("MODE_ROLL-UP"),this.writeScreen.setRollUpRows(e)},t.ccFON=function(){Ot.log("INFO","FON - Flash On"),this.writeScreen.setPen({flash:!0})},t.ccRDC=function(){Ot.log("INFO","RDC - Resume Direct Captioning"),this.setMode("MODE_PAINT-ON")},t.ccTR=function(){Ot.log("INFO","TR"),this.setMode("MODE_TEXT")},t.ccRTD=function(){Ot.log("INFO","RTD"),this.setMode("MODE_TEXT")},t.ccEDM=function(){Ot.log("INFO","EDM - Erase Displayed Memory"),this.displayedMemory.reset(),this.outputDataUpdate(!0)},t.ccCR=function(){Ot.log("INFO","CR - Carriage Return"),this.writeScreen.rollUp(),this.outputDataUpdate(!0)},t.ccENM=function(){Ot.log("INFO","ENM - Erase Non-displayed Memory"),this.nonDisplayedMemory.reset()},t.ccEOC=function(){var e;Ot.log("INFO","EOC - End Of Caption"),"MODE_POP-ON"===this.mode&&(e=this.displayedMemory,this.displayedMemory=this.nonDisplayedMemory,this.nonDisplayedMemory=e,this.writeScreen=this.nonDisplayedMemory,Ot.log("TEXT","DISP: "+this.displayedMemory.getDisplayText())),this.outputDataUpdate(!0)},t.ccTO=function(e){Ot.log("INFO","TO("+e+") - Tab Offset"),this.writeScreen.moveCursor(e)},t.ccMIDROW=function(e){var t,r={flash:!1};r.underline=e%2==1,r.italics=46<=e,r.italics?r.foreground="white":(t=Math.floor(e/2)-16,r.foreground=["white","green","blue","cyan","red","yellow","magenta"][t]),Ot.log("INFO","MIDROW: "+JSON.stringify(r)),this.writeScreen.setPen(r)},t.outputDataUpdate=function(e){void 0===e&&(e=!1);var t=Ot.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}(),Mt=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 Ft(1,t),new Ft(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=!1;this.lastTime=e,Ot.setTime(e);for(var a=0;a<t.length;a+=2){var n=127&t[a],s=127&t[a+1];0!=n||0!=s?(Ot.log("DATA","["+wt([t[a],t[a+1]])+"] -> ("+wt([n,s])+")"),(r=(r=(r=(r=this.parseCmd(n,s))||this.parseMidrow(n,s))||this.parsePAC(n,s))||this.parseBackgroundAttributes(n,s))||(i=this.parseChars(n,s))&&(this.currChNr&&0<=this.currChNr?this.channels[this.currChNr-1].insertChars(i):Ot.log("WARNING","No channel found yet. TEXT-MODE?")),r?this.dataCounters.cmd+=2:i?this.dataCounters.char+=2:(this.dataCounters.other+=2,Ot.log("WARNING","Couldn't parse cleaned data "+wt([n,s])+" orig: "+wt([t[a],t[a+1]])))):this.dataCounters.padding+=2}},t.parseCmd=function(e,t){var r=null;if(!((20===e||28===e)&&32<=t&&t<=47)&&!((23===e||31===e)&&33<=t&&t<=35))return!1;if(e===this.lastCmdA&&t===this.lastCmdB)return this.lastCmdA=null,this.lastCmdB=null,Ot.log("DEBUG","Repeated command ("+wt([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)&&32<=t&&t<=47&&((r=17===e?1:2)!==this.currChNr?(Ot.log("ERROR","Mismatch channel in midrow parsing"),!1):(this.channels[r-1].ccMIDROW(t),Ot.log("DEBUG","MIDROW ("+wt([e,t])+")"),!0))},t.parsePAC=function(e,t){var r,i=null;if(!((17<=e&&e<=23||25<=e&&e<=31)&&64<=t&&t<=127)&&!((16===e||24===e)&&64<=t&&t<=95))return!1;if(e===this.lastCmdA&&t===this.lastCmdB)return this.lastCmdA=null,!(this.lastCmdB=null);r=e<=23?1:2,i=64<=t&&t<=95?1==r?St[e]:Rt[e]:1==r?_t[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},r=95<t?t-96:t-64;return 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,i,a=null,n=null,s=null;return 17<=(s=25<=e?(a=2,e-8):(a=1,e))&&s<=19?(r=t,r=17===s?t+80:18===s?t+112:t+144,Ot.log("INFO","Special char '"+yt(r)+"' in channel "+a),n=[r]):32<=e&&e<=127&&(n=0===t?[e]:[e,t]),n&&(i=wt(n),Ot.log("DEBUG","Char codes =  "+i.join(",")),this.lastCmdA=null,this.lastCmdB=null),n},t.parseBackgroundAttributes=function(e,t){var r,i,a;return((16===e||24===e)&&32<=t&&t<=47||(23===e||31===e)&&45<=t&&t<=47)&&(r={},16===e||24===e?(i=Math.floor((t-32)/2),r.background=kt[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))},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}(),Nt=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}(),Ut={parse:function(e,t,i,a,r,n){var s,o=Object(Ne.utf8ArrayToStr)(new Uint8Array(e)).trim().replace(/\r\n|\n\r|\n|\r/g,"\n").split("\n"),l="00:00.000",u=0,d=0,c=0,h=[],f=!0,g=!1,p=new vt;p.oncue=function(e){var t=i[a],r=i.ccOffset;t&&t.new&&(void 0!==d?r=i.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,i.new=!1;for(;a&&a.new;)e.ccOffset+=i.start-a.start,i.new=!1,a=e[(i=a).prevCC];e.presentationOffset=r}(i,a,c)),c&&(r=c-i.presentationOffset),g&&(e.startTime+=r-d,e.endTime+=r-d),e.id=Dt(e.startTime.toString())+Dt(e.endTime.toString())+Dt(e.text),e.text=decodeURIComponent(encodeURIComponent(e.text)),0<e.endTime&&h.push(e)},p.onparsingerror=function(e){s=e},p.onflush=function(){s&&n?n(s):r(h)},o.forEach(function(e){if(f){if(Lt(e,"X-TIMESTAMP-MAP=")){g=!(f=!1),e.substr(16).split(",").forEach(function(e){Lt(e,"LOCAL:")?l=e.substr(6):Lt(e,"MPEGTS:")&&(u=parseInt(e.substr(7)))});try{t+(9e4*i[a].start||0)<0&&(t+=8589934592),u-=t,d=function(e){var t=parseInt(e.substr(-3)),r=parseInt(e.substr(-6,2)),i=parseInt(e.substr(-9,2)),a=9<e.length?parseInt(e.substr(0,e.indexOf(":"))):0;if(!(Object(F.isFiniteNumber)(t)&&Object(F.isFiniteNumber)(r)&&Object(F.isFiniteNumber)(i)&&Object(F.isFiniteNumber)(a)))throw Error("Malformed X-TIMESTAMP-MAP: Local:"+e);return t+=1e3*r,t+=6e4*i,t+=36e5*a}(l)/1e3,c=u/9e4}catch(e){g=!1,s=e}return}""===e&&(f=!1)}p.parse(e+"\n")}),p.flush()}};function Bt(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}var Gt=function(a){var e,t;function r(e){var t,r,i=a.call(this,e,M.default.MEDIA_ATTACHING,M.default.MEDIA_DETACHING,M.default.FRAG_PARSING_USERDATA,M.default.FRAG_DECRYPTED,M.default.MANIFEST_LOADING,M.default.MANIFEST_LOADED,M.default.FRAG_LOADED,M.default.INIT_PTS_FOUND)||this;return i.media=null,i.config=void 0,i.enabled=!0,i.Cues=void 0,i.textTracks=[],i.tracks=[],i.initPTS=[],i.unparsedVttFrags=[],i.cueRanges=[],i.captionsTracks={},i.captionsProperties=void 0,i.cea608Parser=void 0,i.lastSn=-1,i.prevCC=-1,i.vttCCs=null,i.hls=e,i.config=e.config,i.Cues=e.config.cueHandler,i.captionsProperties={textTrack1:{label:i.config.captionsTextTrack1Label,languageCode:i.config.captionsTextTrack1LanguageCode},textTrack2:{label:i.config.captionsTextTrack2Label,languageCode:i.config.captionsTextTrack2LanguageCode}},i.config.enableCEA708Captions&&(t=new Nt(Bt(i),"textTrack1"),r=new Nt(Bt(i),"textTrack2"),i.cea608Parser=new Mt(0,t,r)),i}t=a,(e=r).prototype=Object.create(t.prototype),(e.prototype.constructor=e).__proto__=t;var i=r.prototype;return i.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(0<=h&&(c[0]=Math.min(c[0],t),c[1]=Math.max(c[1],r),u=!0,.5<h/(r-t)))return}u||l.push([t,r]),this.Cues.newCue(this.captionsTracks[e],t,r,i)},i.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)}))},i.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},i.createCaptionsTrack=function(e){var t,r,i=this.captionsProperties,a=this.captionsTracks,n=this.media,s=i[e],o=s.label,l=s.languageCode;a[e]||((t=this.getExistingTrack(e))?(a[e]=t,Be(a[e]),Ue(a[e],n)):(r=this.createTextTrack("captions",o,l))&&(r[e]=!0,a[e]=r))},i.createTextTrack=function(e,t,r){var i=this.media;if(i)return i.addTextTrack(e,t,r)},i.destroy=function(){a.prototype.destroy.call(this)},i.onMediaAttaching=function(e){this.media=e.media,this._cleanTracks()},i.onMediaDetaching=function(){var t=this.captionsTracks;Object.keys(t).forEach(function(e){Be(t[e]),delete t[e]})},i.onManifestLoading=function(){this.lastSn=-1,this.prevCC=-1,this.vttCCs={ccOffset:0,presentationOffset:0,0:{start:0,prevCC:-1,new:!1}},this._cleanTracks()},i._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])}},i.onManifestLoaded=function(e){var o,l=this;this.textTracks=[],this.unparsedVttFrags=this.unparsedVttFrags||[],this.initPTS=[],this.cueRanges=[],this.config.enableWebVTT&&(this.tracks=e.subtitles||[],o=this.media?this.media.textTracks:[],this.tracks.forEach(function(e,t){var r,i,a;if(t<o.length){for(var n=null,s=0;s<o.length;s++)if(i=o[s],a=e,i&&i.label===a.name&&!i.textTrack1&&!i.textTrack2){n=o[s];break}n&&(r=n)}r=r||l.createTextTrack("subtitles",e.name,e.lang),e.default?r.mode=l.hls.subtitleDisplay?"showing":"hidden":r.mode="disabled",l.textTracks.push(r)}))},i.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(F.isFiniteNumber)(a[t.cc]))return s.push(e),void(a.length&&this.hls.trigger(M.default.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t}));var l=t.decryptdata;null!=l&&null!=l.key&&"AES-128"===l.method||this._parseVTTs(t,r)}else this.hls.trigger(M.default.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t})},i._parseVTTs=function(t,e){var r=this.hls,i=this.prevCC,a=this.textTracks,n=this.vttCCs;n[t.cc]||(n[t.cc]={start:t.start,prevCC:i,new:!0},this.prevCC=t.cc),Ut.parse(e,this.initPTS[t.cc],n,t.cc,function(e){var i=a[t.level];"disabled"!==i.mode?(e.forEach(function(t){if(!i.cues.getCueById(t.id))try{if(i.addCue(t),!i.cues.getCueById(t.id))throw new Error("addCue is failed for: "+t)}catch(e){N.logger.debug("Failed occurred on adding cues: "+e);var r=new window.TextTrackCue(t.startTime,t.endTime,t.text);r.id=t.id,i.addCue(r)}}),r.trigger(M.default.SUBTITLE_FRAG_PROCESSED,{success:!0,frag:t})):r.trigger(M.default.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t})},function(e){N.logger.log("Failed to parse VTT cue: "+e),r.trigger(M.default.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t})})},i.onFragDecrypted=function(e){var t=e.frag,r=e.payload;if("subtitle"===t.type){if(!Object(F.isFiniteNumber)(this.initPTS[t.cc]))return void this.unparsedVttFrags.push(e);this._parseVTTs(t,r)}},i.onFragParsingUserdata=function(e){if(this.enabled&&this.cea608Parser)for(var t=0;t<e.samples.length;t++){var r,i=e.samples[t].bytes;i&&(r=this.extractCea608Data(i),this.cea608Parser.addData(e.samples[t].pts,r))}},i.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},r}(u);function jt(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 Kt(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(r){var e,t;function i(e){var t=r.call(this,e,M.default.MEDIA_ATTACHED,M.default.MEDIA_DETACHING,M.default.MANIFEST_LOADED,M.default.SUBTITLE_TRACK_LOADED)||this;return t.tracks=[],t.trackId=-1,t.media=null,t.stopped=!0,t.subtitleDisplay=!0,t.queuedDefaultTrack=null,t}t=r,(e=i).prototype=Object.create(t.prototype),(e.prototype.constructor=e).__proto__=t;var a,n,s,o=i.prototype;return o.destroy=function(){u.prototype.destroy.call(this)},o.onMediaAttached=function(e){var t=this;this.media=e.media,this.media&&(Object(F.isFiniteNumber)(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(F.isFiniteNumber)(this.subtitleTrack)&&(this.queuedDefaultTrack=this.subtitleTrack),Kt(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(M.default.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,r=this,i=e.id,a=e.details,n=this.trackId,s=this.tracks,o=s[n];i>=s.length||i!==n||!o||this.stopped?this._clearReloadTimer():(N.logger.log("subtitle track "+i+" loaded"),a.live?(t=se(o.details,a,e.stats.trequest),N.logger.log("Reloading live subtitle playlist in "+t+"ms"),this.timer=setTimeout(function(){r._loadCurrentTrack()},t)):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||(N.logger.log("Loading subtitle track "+e),r.trigger(M.default.SUBTITLE_TRACK_LOADING,{url:i.url,id:e}))},o._toggleTrackModes=function(e){var t,r,i,a=this.media,n=this.subtitleDisplay,s=this.trackId;a&&(t=Kt(a.textTracks),-1===e?[].slice.call(t).forEach(function(e){e.mode="disabled"}):(r=t[s])&&(r.mode="disabled"),(i=t[e])&&(i.mode=n?"showing":"hidden"))},o._setSubtitleTrackInternal=function(e){var t=this.hls,r=this.tracks;!Object(F.isFiniteNumber)(e)||e<-1||e>=r.length||(this.trackId=e,N.logger.log("Switching to subtitle track "+e),t.trigger(M.default.SUBTITLE_TRACK_SWITCH,{id:e}),this._loadCurrentTrack())},o._onTextTracksChanged=function(){if(this.media){for(var e=-1,t=Kt(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))}}])&&jt(a.prototype,n),s&&jt(a,s),i}(u),Vt=r("./src/crypt/decrypter.js");var Yt,Wt,qt=window.performance,zt=function(i){var e,t;function r(e,t){var r=i.call(this,e,M.default.MEDIA_ATTACHED,M.default.MEDIA_DETACHING,M.default.ERROR,M.default.KEY_LOADED,M.default.FRAG_LOADED,M.default.SUBTITLE_TRACKS_UPDATED,M.default.SUBTITLE_TRACK_SWITCH,M.default.SUBTITLE_TRACK_LOADED,M.default.SUBTITLE_FRAG_PROCESSED,M.default.LEVEL_UPDATED)||this;return r.fragmentTracker=t,r.config=e.config,r.state=ve,r.tracks=[],r.tracksBuffered=[],r.currentTrackId=-1,r.decrypter=new Vt.default(e,e.config),r.lastAVStart=0,r._onMediaSeeking=r.onMediaSeeking.bind(function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(r)),r}t=i,(e=r).prototype=Object.create(t.prototype),(e.prototype.constructor=e).__proto__=t;var a=r.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).addEventListener("seeking",this._onMediaSeeking),this.state=ye},a.onMediaDetaching=function(){var t=this;this.media&&(this.media.removeEventListener("seeking",this._onMediaSeeking),this.fragmentTracker.removeAllFragments(),this.currentTrackId=-1,this.tracks.forEach(function(e){t.tracksBuffered[e.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;N.logger.log("subtitle tracks updated"),this.tracksBuffered=[],this.tracks=e.subtitleTracks,this.tracks.forEach(function(e){t.tracksBuffered[e.id]=[]})},a.onSubtitleTrackSwitch=function(e){var t;this.currentTrackId=e.id,this.tracks&&this.tracks.length&&-1!==this.currentTrackId?(t=this.tracks[this.currentTrackId])&&t.details&&this.setInterval(500):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;ne(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 r,t=this.fragCurrent,i=e.frag.decryptdata,a=e.frag,n=this.hls;this.state===be&&t&&"subtitle"===e.frag.type&&t.sn===e.frag.sn&&0<e.payload.byteLength&&i&&i.key&&"AES-128"===i.method&&(r=qt.now(),this.decrypter.decrypt(e.payload,i.key.buffer,i.iv.buffer,function(e){var t=qt.now();n.trigger(M.default.FRAG_DECRYPTED,{frag:a,payload:e,stats:{tstart:r,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=e.maxBufferHole,s=e.maxFragLookUpTolerance,o=Math.min(e.maxBufferLength,e.maxMaxBufferLength),l=Y.bufferedInfo(this._getBuffered(),i.currentTime,n),u=l.end,d=l.len,c=a[t].details,h=c.fragments,f=h.length,g=h[f-1].start+h[f-1].duration;if(o<d)return;var p,v=this.fragPrevious;(p=u<g?(v&&c.hasProgramDateTime&&(p=ce(h,v.endProgramDateTime,s)),p||he(v,h,u,s)):h[f-1])&&p.encrypted?(N.logger.log("Loading key for "+p.sn),this.state=Te,this.hls.trigger(M.default.KEY_LOADING,{frag:p})):p&&r.getState(p)===B&&(this.fragCurrent=p,this.state=be,this.hls.trigger(M.default.FRAG_LOADING,{frag:p}))}else this.state=ye},a.stopLoad=function(){this.lastAVStart=0,i.prototype.stopLoad.call(this)},a._getBuffered=function(){return this.tracksBuffered[this.currentTrackId]||[]},a.onMediaSeeking=function(){this.fragPrevious=null},r}(Ce);(Wt=Yt=Yt||{}).WIDEVINE="com.widevine.alpha",Wt.PLAYREADY="com.microsoft.playready";var Xt="undefined"!=typeof window&&window.navigator&&window.navigator.requestMediaKeySystemAccess?window.navigator.requestMediaKeySystemAccess.bind(window.navigator):null;function Qt(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 $t(e,t,r){switch(e){case Yt.WIDEVINE:return i={videoCapabilities:[]},r.forEach(function(e){i.videoCapabilities.push({contentType:'video/mp4; codecs="'+e+'"'})}),[i];default:throw new Error("Unknown key-system: "+e)}var i}var Jt=function(a){for(var e=1;e<arguments.length;e++){var n=null!=arguments[e]?arguments[e]:{},t=Object.keys(n);"function"==typeof Object.getOwnPropertySymbols&&(t=t.concat(Object.getOwnPropertySymbols(n).filter(function(e){return Object.getOwnPropertyDescriptor(n,e).enumerable}))),t.forEach(function(e){var t,r,i;t=a,i=n[r=e],r in t?Object.defineProperty(t,r,{value:i,enumerable:!0,configurable:!0,writable:!0}):t[r]=i})}return a}({autoStartLoad:!0,startPosition:-1,defaultAudioCodec:void 0,debug:!1,capLevelOnFPSDrop:!1,capLevelToPlayerSize:!1,initialLiveManifestSize:1,maxBufferLength:30,maxBufferSize:6e7,maxBufferHole:.5,lowBufferWatchdogPeriod:.5,highBufferWatchdogPeriod:3,nudgeOffset:.1,nudgeMaxRetry:3,maxFragLookUpTolerance:.25,liveSyncDurationCount:3,liveMaxLatencyDurationCount:1/0,liveSyncDuration:void 0,liveMaxLatencyDuration:void 0,liveDurationInfinity:!1,liveBackBufferLength:1/0,maxMaxBufferLength:600,enableWorker:!0,enableSoftwareAES:!0,manifestLoadingTimeOut:1e4,manifestLoadingMaxRetry:1,manifestLoadingRetryDelay:1e3,manifestLoadingMaxRetryTimeout:64e3,startLevel:void 0,levelLoadingTimeOut:1e4,levelLoadingMaxRetry:4,levelLoadingRetryDelay:1e3,levelLoadingMaxRetryTimeout:64e3,fragLoadingTimeOut:2e4,fragLoadingMaxRetry:6,fragLoadingRetryDelay:1e3,fragLoadingMaxRetryTimeout:64e3,startFragPrefetch:!1,fpsDroppedMonitoringPeriod:5e3,fpsDroppedMonitoringThreshold:.2,appendErrorMaxRetry:3,loader:tt,fLoader:void 0,pLoader:void 0,xhrSetup:void 0,licenseXhrSetup:void 0,abrController:Ye,bufferController:qe,capLevelController:Xe,fpsController:$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:Xt},function(){0;return{cueHandler:i,enableCEA708Captions:!0,enableWebVTT:!0,captionsTextTrack1Label:"English",captionsTextTrack1LanguageCode:"en",captionsTextTrack2Label:"Spanish",captionsTextTrack2LanguageCode:"es"}}(),{subtitleStreamController:zt,subtitleTrackController:Ht,timelineController:Gt,audioStreamController:ot,audioTrackController:it,emeController:function(r){var e,t;function i(e){var t=r.call(this,e,M.default.MEDIA_ATTACHED,M.default.MEDIA_DETACHED,M.default.MANIFEST_PARSED)||this;return t._widevineLicenseUrl=void 0,t._licenseXhrSetup=void 0,t._emeEnabled=void 0,t._requestMediaKeySystemAccess=void 0,t._config=void 0,t._mediaKeysList=[],t._media=null,t._hasSetMediaKeys=!1,t._requestLicenseFailureCount=0,t._onMediaEncrypted=function(e){N.logger.log('Media is encrypted using "'+e.initDataType+'" init data type'),t._attemptSetMediaKeys(),t._generateRequestWithPreferredKeySession(e.initDataType,e.initData)},t._config=e.config,t._widevineLicenseUrl=t._config.widevineLicenseUrl,t._licenseXhrSetup=t._config.licenseXhrSetup,t._emeEnabled=t._config.emeEnabled,t._requestMediaKeySystemAccess=t._config.requestMediaKeySystemAccessFunc,t}t=r,(e=i).prototype=Object.create(t.prototype),(e.prototype.constructor=e).__proto__=t;var a,n,s,o=i.prototype;return o.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+'"')},o._attemptKeySystemAccess=function(t,e,r){var i=this,a=$t(t,0,r);N.logger.log("Requesting encrypted media key-system access"),this.requestMediaKeySystemAccess(t,a).then(function(e){i._onMediaKeySystemAccessObtained(t,e)}).catch(function(e){N.logger.error('Failed to obtain key-system "'+t+'" access:',e)})},o._onMediaKeySystemAccessObtained=function(t,e){var r=this;N.logger.log('Access for key-system "'+t+'" obtained');var i={mediaKeysSessionInitialized:!1,mediaKeySystemAccess:e,mediaKeySystemDomain:t};this._mediaKeysList.push(i),e.createMediaKeys().then(function(e){i.mediaKeys=e,N.logger.log('Media-keys created for key-system "'+t+'"'),r._onMediaKeysCreated()}).catch(function(e){N.logger.error("Failed to create media-keys:",e)})},o._onMediaKeysCreated=function(){var t=this;this._mediaKeysList.forEach(function(e){e.mediaKeysSession||(e.mediaKeysSession=e.mediaKeys.createSession(),t._onNewMediaKeySession(e.mediaKeysSession))})},o._onNewMediaKeySession=function(t){var r=this;N.logger.log("New key-system session "+t.sessionId),t.addEventListener("message",function(e){r._onKeySessionMessage(t,e.message)},!1)},o._onKeySessionMessage=function(t,e){N.logger.log("Got EME message event, creating license request"),this._requestLicense(e,function(e){N.logger.log("Received license data (length: "+(e?e.byteLength:e)+"), updating key-session"),t.update(e)})},o._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 N.logger.error("Fatal: Media is encrypted but no CDM access or no keys have been obtained yet"),void this.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.KEY_SYSTEM_ERROR,details:h.ErrorDetails.KEY_SYSTEM_NO_KEYS,fatal:!0});N.logger.log("Setting keys for encrypted media"),this._media.setMediaKeys(e.mediaKeys),this._hasSetMediaKeys=!0}},o._generateRequestWithPreferredKeySession=function(e,t){var r=this,i=this._mediaKeysList[0];if(!i)return N.logger.error("Fatal: Media is encrypted but not any key-system access has been obtained yet"),void this.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.KEY_SYSTEM_ERROR,details:h.ErrorDetails.KEY_SYSTEM_NO_ACCESS,fatal:!0});if(i.mediaKeysSessionInitialized)N.logger.warn("Key-Session already initialized but requested again");else{var a=i.mediaKeysSession;if(!a)return N.logger.error("Fatal: Media is encrypted but no key-session existing"),void this.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.KEY_SYSTEM_ERROR,details:h.ErrorDetails.KEY_SYSTEM_NO_SESSION,fatal:!0});if(!t)return N.logger.warn("Fatal: initData required for generating a key session is null"),void this.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.KEY_SYSTEM_ERROR,details:h.ErrorDetails.KEY_SYSTEM_NO_INIT_DATA,fatal:!0});N.logger.log('Generating key-session request for "'+e+'" init data type'),i.mediaKeysSessionInitialized=!0,a.generateRequest(e,t).then(function(){N.logger.debug("Key-session generation succeeded")}).catch(function(e){N.logger.error("Error generating key-session request:",e),r.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.KEY_SYSTEM_ERROR,details:h.ErrorDetails.KEY_SYSTEM_NO_SESSION,fatal:!1})})}},o._createLicenseXhr=function(t,e,r){var i=new XMLHttpRequest,a=this._licenseXhrSetup;try{if(a)try{a(i,t)}catch(e){i.open("POST",t,!0),a(i,t)}i.readyState||i.open("POST",t,!0)}catch(e){throw new Error("issue setting up KeySystem license XHR "+e)}return i.responseType="arraybuffer",i.onreadystatechange=this._onLicenseRequestReadyStageChange.bind(this,i,t,e,r),i},o._onLicenseRequestReadyStageChange=function(e,t,r,i){switch(e.readyState){case 4:if(200===e.status)this._requestLicenseFailureCount=0,N.logger.log("License request succeeded"),"arraybuffer"!==e.responseType&&N.logger.warn("xhr response type was not set to the expected arraybuffer for license request"),i(e.response);else{if(N.logger.error("License Request XHR failed ("+t+"). Status: "+e.status+" ("+e.statusText+")"),this._requestLicenseFailureCount++,3<this._requestLicenseFailureCount)return void this.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.KEY_SYSTEM_ERROR,details:h.ErrorDetails.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0});var a=3-this._requestLicenseFailureCount+1;N.logger.warn("Retrying license request, "+a+" attempts left"),this._requestLicense(r,i)}}},o._generateLicenseRequestChallenge=function(e,t){switch(e.mediaKeySystemDomain){case Yt.WIDEVINE:return t}throw new Error("unsupported key-system: "+e.mediaKeySystemDomain)},o._requestLicense=function(e,t){N.logger.log("Requesting content license for key-system");var r=this._mediaKeysList[0];if(!r)return N.logger.error("Fatal error: Media is encrypted but no key-system access has been obtained yet"),void this.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.KEY_SYSTEM_ERROR,details:h.ErrorDetails.KEY_SYSTEM_NO_ACCESS,fatal:!0});try{var i=this.getLicenseServerUrl(r.mediaKeySystemDomain),a=this._createLicenseXhr(i,e,t);N.logger.log("Sending license request to URL: "+i);var n=this._generateLicenseRequestChallenge(r,e);a.send(n)}catch(e){N.logger.error("Failure requesting DRM license: "+e),this.hls.trigger(M.default.ERROR,{type:h.ErrorTypes.KEY_SYSTEM_ERROR,details:h.ErrorDetails.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0})}},o.onMediaAttached=function(e){var t;this._emeEnabled&&(t=e.media,(this._media=t).addEventListener("encrypted",this._onMediaEncrypted))},o.onMediaDetached=function(){this._media&&(this._media.removeEventListener("encrypted",this._onMediaEncrypted),this._media=null)},o.onManifestParsed=function(e){var t,r;this._emeEnabled&&(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 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