hls.light.min.js

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new TypeError("Cannot call a class as a function")}function L(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function w(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var D=r(1),O=r(2),x=function(){function t(e,r){i(this,t),this.subtle=e,this.aesIV=r}return t.prototype.decrypt=function(t,e){return this.subtle.decrypt({name:"AES-CBC",iv:this.aesIV},e,t)},t}(),I=x,k=function(){function t(e,r){a(this,t),this.subtle=e,this.key=r}return t.prototype.expandKey=function(){return this.subtle.importKey("raw",this.key,{name:"AES-CBC"},!1,["encrypt","decrypt"])},t}(),P=k,C=function(){function t(){n(this,t),this.rcon=[0,1,2,4,8,16,32,64,128,27,54],this.subMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.invSubMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.sBox=new Uint32Array(256),this.invSBox=new Uint32Array(256),this.key=new Uint32Array(0),this.initTable()}return t.prototype.uint8ArrayToUint32Array_=function(t){for(var e=new DataView(t),r=new Uint32Array(4),i=0;i<4;i++)r[i]=e.getUint32(4*i);return r},t.prototype.initTable=function(){var t=this.sBox,e=this.invSBox,r=this.subMix,i=r[0],a=r[1],n=r[2],o=r[3],s=this.invSubMix,l=s[0],d=s[1],u=s[2],h=s[3],f=new Uint32Array(256),c=0,p=0,v=0;for(v=0;v<256;v++)f[v]=v<128?v<<1:v<<1^283;for(v=0;v<256;v++){var g=p^p<<1^p<<2^p<<3^p<<4;g=g>>>8^255&g^99,t[c]=g,e[g]=c;var m=f[c],y=f[m],b=f[y],E=257*f[g]^16843008*g;i[c]=E<<24|E>>>8,a[c]=E<<16|E>>>16,n[c]=E<<8|E>>>24,o[c]=E,E=16843009*b^65537*y^257*m^16843008*c,l[g]=E<<24|E>>>8,d[g]=E<<16|E>>>16,u[g]=E<<8|E>>>24,h[g]=E,c?(c=m^f[f[f[b^m]]],p^=f[f[p]]):c=p=1}},t.prototype.expandKey=function(t){for(var e=this.uint8ArrayToUint32Array_(t),r=!0,i=0;i<e.length&&r;)r=e[i]===this.key[i],i++;if(!r){this.key=e;var a=this.keySize=e.length;if(4!==a&&6!==a&&8!==a)throw new Error("Invalid aes key size="+a);var n=this.ksRows=4*(a+6+1),o=void 0,s=void 0,l=this.keySchedule=new Uint32Array(n),d=this.invKeySchedule=new Uint32Array(n),u=this.sBox,h=this.rcon,f=this.invSubMix,c=f[0],p=f[1],v=f[2],g=f[3],m=void 0,y=void 0;for(o=0;o<n;o++)o<a?m=l[o]=e[o]:(y=m,o%a==0?(y=y<<8|y>>>24,y=u[y>>>24]<<24|u[y>>>16&255]<<16|u[y>>>8&255]<<8|u[255&y],y^=h[o/a|0]<<24):a>6&&o%a==4&&(y=u[y>>>24]<<24|u[y>>>16&255]<<16|u[y>>>8&255]<<8|u[255&y]),l[o]=m=(l[o-a]^y)>>>0);for(s=0;s<n;s++)o=n-s,y=3&s?l[o]:l[o-4],d[s]=s<4||o<=4?y:c[u[y>>>24]]^p[u[y>>>16&255]]^v[u[y>>>8&255]]^g[u[255&y]],d[s]=d[s]>>>0}},t.prototype.networkToHostOrderSwap=function(t){return t<<24|(65280&t)<<8|(16711680&t)>>8|t>>>24},t.prototype.decrypt=function(t,e,r){for(var i,a,n=this.keySize+6,o=this.invKeySchedule,s=this.invSBox,l=this.invSubMix,d=l[0],u=l[1],h=l[2],f=l[3],c=this.uint8ArrayToUint32Array_(r),p=c[0],v=c[1],g=c[2],m=c[3],y=new Int32Array(t),b=new Int32Array(y.length),E=void 0,R=void 0,A=void 0,T=void 0,S=void 0,_=void 0,L=void 0,w=void 0,D=void 0,O=void 0,x=void 0,I=void 0,k=this.networkToHostOrderSwap;e<y.length;){for(D=k(y[e]),O=k(y[e+1]),x=k(y[e+2]),I=k(y[e+3]),S=D^o[0],_=I^o[1],L=x^o[2],w=O^o[3],i=4,a=1;a<n;a++)E=d[S>>>24]^u[_>>16&255]^h[L>>8&255]^f[255&w]^o[i],R=d[_>>>24]^u[L>>16&255]^h[w>>8&255]^f[255&S]^o[i+1],A=d[L>>>24]^u[w>>16&255]^h[S>>8&255]^f[255&_]^o[i+2],T=d[w>>>24]^u[S>>16&255]^h[_>>8&255]^f[255&L]^o[i+3],S=E,_=R,L=A,w=T,i+=4;E=s[S>>>24]<<24^s[_>>16&255]<<16^s[L>>8&255]<<8^s[255&w]^o[i],R=s[_>>>24]<<24^s[L>>16&255]<<16^s[w>>8&255]<<8^s[255&S]^o[i+1],A=s[L>>>24]<<24^s[w>>16&255]<<16^s[S>>8&255]<<8^s[255&_]^o[i+2],T=s[w>>>24]<<24^s[S>>16&255]<<16^s[_>>8&255]<<8^s[255&L]^o[i+3],i+=3,b[e]=k(E^p),b[e+1]=k(T^v),b[e+2]=k(A^g),b[e+3]=k(R^m),p=D,v=O,g=x,m=I,e+=4}return b.buffer},t.prototype.destroy=function(){this.key=void 0,this.keySize=void 0,this.ksRows=void 0,this.sBox=void 0,this.invSBox=void 0,this.subMix=void 0,this.invSubMix=void 0,this.keySchedule=void 0,this.invKeySchedule=void 0,this.rcon=void 0},t}(),F=C,M=r(0),N=function(){function t(e,r){o(this,t),this.observer=e,this.config=r,this.logEnabled=!0;try{var i=crypto||self.crypto;this.subtle=i.subtle||i.webkitSubtle}catch(t){}this.disableWebCrypto=!this.subtle}return t.prototype.isSync=function(){return this.disableWebCrypto&&this.config.enableSoftwareAES},t.prototype.decrypt=function(t,e,r,i){var a=this;if(this.disableWebCrypto&&this.config.enableSoftwareAES){this.logEnabled&&(M.b.log("JS AES decrypt"),this.logEnabled=!1);var n=this.decryptor;n||(this.decryptor=n=new F),n.expandKey(e),i(n.decrypt(t,0,r))}else{this.logEnabled&&(M.b.log("WebCrypto AES decrypt"),this.logEnabled=!1);var o=this.subtle;this.key!==e&&(this.key=e,this.fastAesKey=new P(o,e)),this.fastAesKey.expandKey().then(function(n){new I(o,r).decrypt(t,n).catch(function(n){a.onWebCryptoError(n,t,e,r,i)}).then(function(t){i(t)})}).catch(function(n){a.onWebCryptoError(n,t,e,r,i)})}},t.prototype.onWebCryptoError=function(t,e,r,i,a){this.config.enableSoftwareAES?(M.b.log("WebCrypto Error, disable WebCrypto API"),this.disableWebCrypto=!0,this.logEnabled=!0,this.decrypt(e,r,i,a)):(M.b.error("decrypting error : "+t.message),this.observer.trigger(Event.ERROR,{type:O.b.MEDIA_ERROR,details:O.a.FRAG_DECRYPT_ERROR,fatal:!0,reason:t.message}))},t.prototype.destroy=function(){var t=this.decryptor;t&&(t.destroy(),this.decryptor=void 0)},t}(),U=N,B=r(4),G=function(){function t(e,r,i){m(this,t),this.observer=e,this.config=i,this.remuxer=r}return t.prototype.resetInitSegment=function(t,e,r,i){this._audioTrack={container:"audio/adts",type:"audio",id:0,sequenceNumber:0,isAAC:!0,samples:[],len:0,manifestCodec:e,duration:i,inputTimeScale:9e4}},t.prototype.resetTimeStamp=function(){},t.probe=function(t){var e,r,i=B.a.getID3Data(t,0);if(i&&void 0!==B.a.getTimeStamp(i))for(e=i.length,r=Math.min(t.length-1,e+100);e<r;e++)if(f(t,e))return M.b.log("ADTS sync word found !"),!0;return!1},t.prototype.append=function(t,e,r,i){for(var a=this._audioTrack,n=B.a.getID3Data(t,0),o=90*B.a.getTimeStamp(n),s=0,l=o,d=t.length,u=n.length,f=[{pts:l,dts:l,data:n}];u<d-1;)if(h(t,u)&&u+5<d){c(a,this.observer,t,u,a.manifestCodec);var p=g(a,t,u,o,s);if(!p){M.b.log("Unable to parse AAC frame");break}u+=p.length,l=p.sample.pts,s++}else B.a.isHeader(t,u)?(n=B.a.getID3Data(t,u),f.push({pts:l,dts:l,data:n}),u+=n.length):u++;this.remuxer.remux(a,{samples:[]},{samples:f,inputTimeScale:9e4},{samples:[]},e,r,i)},t.prototype.destroy=function(){},t}(),H=G,j=Math.pow(2,32)-1,V=function(){function t(e,r){y(this,t),this.observer=e,this.remuxer=r}return t.prototype.resetTimeStamp=function(t){this.initPTS=t},t.prototype.resetInitSegment=function(e,r,i,a){if(e&&e.byteLength){var n=this.initData=t.parseInitSegment(e),o={};n.audio&&n.video?o.audiovideo={container:"video/mp4",codec:r+","+i,initSegment:a?e:null}:(n.audio&&(o.audio={container:"audio/mp4",codec:r,initSegment:a?e:null}),n.video&&(o.video={container:"video/mp4",codec:i,initSegment:a?e:null})),this.observer.trigger(D.a.FRAG_PARSING_INIT_SEGMENT,{tracks:o})}else r&&(this.audioCodec=r),i&&(this.videoCodec=i)},t.probe=function(e){if(e.length>=8){return["moof","ftyp","styp"].indexOf(t.bin2str(e.subarray(4,8)))>=0}return!1},t.bin2str=function(t){return String.fromCharCode.apply(null,t)},t.readUint32=function(t,e){t.data&&(e+=t.start,t=t.data);var r=t[e]<<24|t[e+1]<<16|t[e+2]<<8|t[e+3];return r<0?4294967296+r:r},t.writeUint32=function(t,e,r){t.data&&(e+=t.start,t=t.data),t[e]=r>>24,t[e+1]=r>>16&255,t[e+2]=r>>8&255,t[e+3]=255&r},t.findBox=function(e,r){var i,a,n,o,s,l,d,u=[];if(e.data?(l=e.start,o=e.end,e=e.data):(l=0,o=e.byteLength),!r.length)return null;for(i=l;i<o;)a=t.readUint32(e,i),n=t.bin2str(e.subarray(i+4,i+8)),d=a>1?i+a:o,n===r[0]&&(1===r.length?u.push({data:e,start:i+8,end:d}):(s=t.findBox({data:e,start:i+8,end:d},r.slice(1)),s.length&&(u=u.concat(s)))),i=d;return u},t.parseInitSegment=function(e){var r=[];return t.findBox(e,["moov","trak"]).forEach(function(e){var i=t.findBox(e,["tkhd"])[0];if(i){var a=i.data[i.start],n=0===a?12:20,o=t.readUint32(i,n),s=t.findBox(e,["mdia","mdhd"])[0];if(s){a=s.data[s.start],n=0===a?12:20;var l=t.readUint32(s,n),d=t.findBox(e,["mdia","hdlr"])[0];if(d){var u=t.bin2str(d.data.subarray(d.start+8,d.start+12)),h={soun:"audio",vide:"video"}[u];h&&(r[o]={timescale:l,type:h},r[h]={timescale:l,id:o})}}}}),r},t.getStartDTS=function(e,r){var i,a,n;return i=t.findBox(r,["moof","traf"]),a=[].concat.apply([],i.map(function(r){return t.findBox(r,["tfhd"]).map(function(i){var a,n;return a=t.readUint32(i,4),n=e[a].timescale||9e4,t.findBox(r,["tfdt"]).map(function(e){var r,i;return r=e.data[e.start],i=t.readUint32(e,4),1===r&&(i*=Math.pow(2,32),i+=t.readUint32(e,8)),i})[0]/n})})),n=Math.min.apply(null,a),isFinite(n)?n:0},t.offsetStartDTS=function(e,r,i){t.findBox(r,["moof","traf"]).map(function(r){return t.findBox(r,["tfhd"]).map(function(a){var n=t.readUint32(a,4),o=e[n].timescale||9e4;t.findBox(r,["tfdt"]).map(function(e){var r=e.data[e.start],a=t.readUint32(e,4);if(0===r)t.writeUint32(e,4,a-i*o);else{a*=Math.pow(2,32),a+=t.readUint32(e,8),a-=i*o;var n=Math.floor(a/(j+1)),s=Math.floor(a%(j+1));t.writeUint32(e,4,n),t.writeUint32(e,8,s)}})})})},t.prototype.append=function(e,r,i,a){var n=this.initData;n||(this.resetInitSegment(e,this.audioCodec,this.videoCodec),n=this.initData);var o=void 0,s=this.initPTS;if(void 0===s){var l=t.getStartDTS(n,e);this.initPTS=s=l-r,this.observer.trigger(D.a.INIT_PTS_FOUND,{initPTS:s})}t.offsetStartDTS(n,e,s),o=t.getStartDTS(n,e),this.remuxer.remux(n.audio,n.video,null,null,o,i,a,e)},t.prototype.destroy=function(){},t}(),W=V,K={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],appendFrame:function(t,e,r,i,a){if(!(r+24>e.length)){var n=this.parseHeader(e,r);if(n&&r+n.frameLength<=e.length){var o=10368e4/n.sampleRate,s=i+a*o,l={unit:e.subarray(r,r+n.frameLength),pts:s,dts:s};return t.config=[],t.channelCount=n.channelCount,t.samplerate=n.sampleRate,t.samples.push(l),t.len+=n.frameLength,{sample:l,length:n.frameLength}}}},parseHeader:function(t,e){var r=t[e+1]>>3&3,i=t[e+1]>>1&3,a=t[e+2]>>4&15,n=t[e+2]>>2&3,o=!!(2&t[e+2]);if(1!==r&&0!==a&&15!==a&&3!==n){var s=3===r?3-i:3===i?3:4,l=1e3*K.BitratesMap[14*s+a-1],d=3===r?0:2===r?1:2,u=K.SamplingRateMap[3*d+n],h=o?1:0;return{sampleRate:u,channelCount:t[e+3]>>6==3?1:2,frameLength:3===i?(3===r?12:6)*l/u+h<<2:(3===r?144:72)*l/u+h|0}}},isHeaderPattern:function(t,e){return 255===t[e]&&224==(224&t[e+1])&&0!=(6&t[e+1])},isHeader:function(t,e){return!!(e+1<t.length&&this.isHeaderPattern(t,e))},probe:function(t,e){if(e+1<t.length&&this.isHeaderPattern(t,e)){var r=this.parseHeader(t,e),i=4;r&&r.frameLength&&(i=r.frameLength);var a=e+i;if(a===t.length||a+1<t.length&&this.isHeaderPattern(t,a))return!0}return!1}},Y=K,z=function(){function t(e){b(this,t),this.data=e,this.bytesAvailable=e.byteLength,this.word=0,this.bitsAvailable=0}return t.prototype.loadWord=function(){var t=this.data,e=this.bytesAvailable,r=t.byteLength-e,i=new Uint8Array(4),a=Math.min(4,e);if(0===a)throw new Error("no bytes available");i.set(t.subarray(r,r+a)),this.word=new DataView(i.buffer).getUint32(0),this.bitsAvailable=8*a,this.bytesAvailable-=a},t.prototype.skipBits=function(t){var e;this.bitsAvailable>t?(this.word<<=t,this.bitsAvailable-=t):(t-=this.bitsAvailable,e=t>>3,t-=e>>3,this.bytesAvailable-=e,this.loadWord(),this.word<<=t,this.bitsAvailable-=t)},t.prototype.readBits=function(t){var e=Math.min(this.bitsAvailable,t),r=this.word>>>32-e;return t>32&&M.b.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=e,this.bitsAvailable>0?this.word<<=e:this.bytesAvailable>0&&this.loadWord(),e=t-e,e>0&&this.bitsAvailable?r<<e|this.readBits(e):r},t.prototype.skipLZ=function(){var t;for(t=0;t<this.bitsAvailable;++t)if(0!=(this.word&2147483648>>>t))return this.word<<=t,this.bitsAvailable-=t,t;return this.loadWord(),t+this.skipLZ()},t.prototype.skipUEG=function(){this.skipBits(1+this.skipLZ())},t.prototype.skipEG=function(){this.skipBits(1+this.skipLZ())},t.prototype.readUEG=function(){var t=this.skipLZ();return this.readBits(t+1)-1},t.prototype.readEG=function(){var t=this.readUEG();return 1&t?1+t>>>1:-1*(t>>>1)},t.prototype.readBoolean=function(){return 1===this.readBits(1)},t.prototype.readUByte=function(){return this.readBits(8)},t.prototype.readUShort=function(){return this.readBits(16)},t.prototype.readUInt=function(){return this.readBits(32)},t.prototype.skipScalingList=function(t){var e,r,i=8,a=8;for(e=0;e<t;e++)0!==a&&(r=this.readEG(),a=(i+r+256)%256),i=0===a?i:a},t.prototype.readSPS=function(){var t,e,r,i,a,n,o,s=0,l=0,d=0,u=0,h=this.readUByte.bind(this),f=this.readBits.bind(this),c=this.readUEG.bind(this),p=this.readBoolean.bind(this),v=this.skipBits.bind(this),g=this.skipEG.bind(this),m=this.skipUEG.bind(this),y=this.skipScalingList.bind(this);if(h(),t=h(),f(5),v(3),h(),m(),100===t||110===t||122===t||244===t||44===t||83===t||86===t||118===t||128===t){var b=c();if(3===b&&v(1),m(),m(),v(1),p())for(n=3!==b?8:12,o=0;o<n;o++)p()&&y(o<6?16:64)}m();var E=c();if(0===E)c();else if(1===E)for(v(1),g(),g(),e=c(),o=0;o<e;o++)g();m(),v(1),r=c(),i=c(),a=f(1),0===a&&v(1),v(1),p()&&(s=c(),l=c(),d=c(),u=c());var R=[1,1];if(p()&&p()){switch(h()){case 1:R=[1,1];break;case 2:R=[12,11];break;case 3:R=[10,11];break;case 4:R=[16,11];break;case 5:R=[40,33];break;case 6:R=[24,11];break;case 7:R=[20,11];break;case 8:R=[32,11];break;case 9:R=[80,33];break;case 10:R=[18,11];break;case 11:R=[15,11];break;case 12:R=[64,33];break;case 13:R=[160,99];break;case 14:R=[4,3];break;case 15:R=[3,2];break;case 16:R=[2,1];break;case 255:R=[h()<<8|h(),h()<<8|h()]}}return{width:Math.ceil(16*(r+1)-2*s-2*l),height:(2-a)*(i+1)*16-(a?2:4)*(d+u),pixelRatio:R}},t.prototype.readSliceType=function(){return this.readUByte(),this.readUEG(),this.readUEG()},t}(),X=z,q=function(){function t(e,r,i,a){E(this,t),this.decryptdata=i,this.discardEPB=a,this.decrypter=new U(e,r)}return t.prototype.decryptBuffer=function(t,e){this.decrypter.decrypt(t,this.decryptdata.key.buffer,this.decryptdata.iv.buffer,e)},t.prototype.decryptAacSample=function(t,e,r,i){var a=t[e].unit,n=a.subarray(16,a.length-a.length%16),o=n.buffer.slice(n.byteOffset,n.byteOffset+n.length),s=this;this.decryptBuffer(o,function(n){n=new Uint8Array(n),a.set(n,16),i||s.decryptAacSamples(t,e+1,r)})},t.prototype.decryptAacSamples=function(t,e,r){for(;;e++){if(e>=t.length)return void r();if(!(t[e].unit.length<32)){var i=this.decrypter.isSync();if(this.decryptAacSample(t,e,r,i),!i)return}}},t.prototype.getAvcEncryptedData=function(t){for(var e=16*Math.floor((t.length-48)/160)+16,r=new Int8Array(e),i=0,a=32;a<=t.length-16;a+=160,i+=16)r.set(t.subarray(a,a+16),i);return r},t.prototype.getAvcDecryptedUnit=function(t,e){e=new Uint8Array(e);for(var r=0,i=32;i<=t.length-16;i+=160,r+=16)t.set(e.subarray(r,r+16),i);return t},t.prototype.decryptAvcSample=function(t,e,r,i,a,n){var o=this.discardEPB(a.data),s=this.getAvcEncryptedData(o),l=this;this.decryptBuffer(s.buffer,function(s){a.data=l.getAvcDecryptedUnit(o,s),n||l.decryptAvcSamples(t,e,r+1,i)})},t.prototype.decryptAvcSamples=function(t,e,r,i){for(;;e++,r=0){if(e>=t.length)return void i();for(var a=t[e].units;!(r>=a.length);r++){var n=a[r];if(!(n.length<=48||1!==n.type&&5!==n.type)){var o=this.decrypter.isSync();if(this.decryptAvcSample(t,e,r,i,n,o),!o)return}}}},t}(),Q=q,J=function(){function t(e,r,i,a){R(this,t),this.observer=e,this.config=i,this.typeSupported=a,this.remuxer=r,this.sampleAes=null}return t.prototype.setDecryptData=function(t){null!=t&&null!=t.key&&"SAMPLE-AES"===t.method?this.sampleAes=new Q(this.observer,this.config,t,this.discardEPB):this.sampleAes=null},t.probe=function(t){return t.length>=564&&71===t[0]&&71===t[188]&&71===t[376]},t.prototype.resetInitSegment=function(t,e,r,i){this.pmtParsed=!1,this._pmtId=-1,this._avcTrack={container:"video/mp2t",type:"video",id:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],len:0,dropped:0},this._audioTrack={container:"video/mp2t",type:"audio",id:-1,inputTimeScale:9e4,duration:i,sequenceNumber:0,samples:[],len:0,isAAC:!0},this._id3Track={type:"id3",id:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],len:0},this._txtTrack={type:"text",id:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],len:0},this.aacOverFlow=null,this.aacLastPTS=null,this.avcSample=null,this.audioCodec=e,this.videoCodec=r,this._duration=i},t.prototype.resetTimeStamp=function(){},t.prototype.append=function(t,e,r,i){var a,n,o,s,l,d=t.length,u=!1;this.contiguous=r;var h=this.pmtParsed,f=this._avcTrack,c=this._audioTrack,p=this._id3Track,v=f.id,g=c.id,m=p.id,y=this._pmtId,b=f.pesData,E=c.pesData,R=p.pesData,A=this._parsePAT,T=this._parsePMT,S=this._parsePES,_=this._parseAVCPES.bind(this),L=this._parseAACPES.bind(this),w=this._parseMPEGPES.bind(this),x=this._parseID3PES.bind(this);for(d-=d%188,a=0;a<d;a+=188)if(71===t[a]){if(n=!!(64&t[a+1]),o=((31&t[a+1])<<8)+t[a+2],(48&t[a+3])>>4>1){if((s=a+5+t[a+4])===a+188)continue}else s=a+4;switch(o){case v:n&&(b&&(l=S(b))&&_(l,!1),b={data:[],size:0}),b&&(b.data.push(t.subarray(s,a+188)),b.size+=a+188-s);break;case g:n&&(E&&(l=S(E))&&(c.isAAC?L(l):w(l)),E={data:[],size:0}),E&&(E.data.push(t.subarray(s,a+188)),E.size+=a+188-s);break;case m:n&&(R&&(l=S(R))&&x(l),R={data:[],size:0}),R&&(R.data.push(t.subarray(s,a+188)),R.size+=a+188-s);break;case 0:n&&(s+=t[s]+1),y=this._pmtId=A(t,s);break;case y:n&&(s+=t[s]+1);var I=T(t,s,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,null!=this.sampleAes);v=I.avc,v>0&&(f.id=v),g=I.audio,g>0&&(c.id=g,c.isAAC=I.isAAC),m=I.id3,m>0&&(p.id=m),u&&!h&&(M.b.log("reparse from beginning"),u=!1,a=-188),h=this.pmtParsed=!0;break;case 17:case 8191:break;default:u=!0}}else this.observer.trigger(D.a.ERROR,{type:O.b.MEDIA_ERROR,details:O.a.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});b&&(l=S(b))?(_(l,!0),f.pesData=null):f.pesData=b,E&&(l=S(E))?(c.isAAC?L(l):w(l),c.pesData=null):(E&&E.size&&M.b.log("last AAC PES packet truncated,might overlap between fragments"),c.pesData=E),R&&(l=S(R))?(x(l),p.pesData=null):p.pesData=R,null==this.sampleAes?this.remuxer.remux(c,f,p,this._txtTrack,e,r,i):this.decryptAndRemux(c,f,p,this._txtTrack,e,r,i)},t.prototype.decryptAndRemux=function(t,e,r,i,a,n,o){if(t.samples&&t.isAAC){var s=this;this.sampleAes.decryptAacSamples(t.samples,0,function(){s.decryptAndRemuxAvc(t,e,r,i,a,n,o)})}else this.decryptAndRemuxAvc(t,e,r,i,a,n,o)},t.prototype.decryptAndRemuxAvc=function(t,e,r,i,a,n,o){if(e.samples){var s=this;this.sampleAes.decryptAvcSamples(e.samples,0,0,function(){s.remuxer.remux(t,e,r,i,a,n,o)})}else this.remuxer.remux(t,e,r,i,a,n,o)},t.prototype.destroy=function(){this._initPTS=this._initDTS=void 0,this._duration=0},t.prototype._parsePAT=function(t,e){return(31&t[e+10])<<8|t[e+11]},t.prototype._parsePMT=function(t,e,r,i){var a,n,o,s,l={audio:-1,avc:-1,id3:-1,isAAC:!0};for(a=(15&t[e+1])<<8|t[e+2],n=e+3+a-4,o=(15&t[e+10])<<8|t[e+11],e+=12+o;e<n;){switch(s=(31&t[e+1])<<8|t[e+2],t[e]){case 207:if(!i){M.b.log("unkown stream type:"+t[e]);break}case 15:-1===l.audio&&(l.audio=s);break;case 21:-1===l.id3&&(l.id3=s);break;case 219:if(!i){M.b.log("unkown stream type:"+t[e]);break}case 27:-1===l.avc&&(l.avc=s);break;case 3:case 4:r?-1===l.audio&&(l.audio=s,l.isAAC=!1):M.b.log("MPEG audio found, not supported in this browser for now");break;case 36:M.b.warn("HEVC stream type found, not supported for now");break;default:M.b.log("unkown stream type:"+t[e])}e+=5+((15&t[e+3])<<8|t[e+4])}return l},t.prototype._parsePES=function(t){var e,r,i,a,n,o,s,l,d=0,u=t.data;if(!t||0===t.size)return null;for(;u[0].length<19&&u.length>1;){var h=new Uint8Array(u[0].length+u[1].length);h.set(u[0]),h.set(u[1],u[0].length),u[0]=h,u.splice(1,1)}if(e=u[0],1===(e[0]<<16)+(e[1]<<8)+e[2]){if((i=(e[4]<<8)+e[5])&&i>t.size-6)return null;r=e[7],192&r&&(o=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,o>4294967295&&(o-=8589934592),64&r?(s=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2,s>4294967295&&(s-=8589934592),o-s>54e5&&(M.b.warn(Math.round((o-s)/9e4)+"s delta between PTS and DTS, align them"),o=s)):s=o),a=e[8],l=a+9,t.size-=l,n=new Uint8Array(t.size);for(var f=0,c=u.length;f<c;f++){e=u[f];var p=e.byteLength;if(l){if(l>p){l-=p;continue}e=e.subarray(l),p-=l,l=0}n.set(e,d),d+=p}return i&&(i-=a+3),{data:n,pts:o,dts:s,len:i}}return null},t.prototype.pushAccesUnit=function(t,e){if(t.units.length&&t.frame){var r=e.samples,i=r.length;!this.config.forceKeyFrameOnDiscontinuity||!0===t.key||e.sps&&(i||this.contiguous)?(t.id=i,r.push(t)):e.dropped++}t.debug.length&&M.b.log(t.pts+"/"+t.dts+":"+t.debug)},t.prototype._parseAVCPES=function(t,e){var r,i,a,n=this,o=this._avcTrack,s=this._parseAVCNALu(t.data),l=this.avcSample,d=!1,u=this.pushAccesUnit.bind(this),h=function(t,e,r,i){return{key:t,pts:e,dts:r,units:[],debug:i}};t.data=null,l&&s.length&&!o.audFound&&(u(l,o),l=this.avcSample=h(!1,t.pts,t.dts,"")),s.forEach(function(e){switch(e.type){case 1:i=!0,l||(l=n.avcSample=h(!0,t.pts,t.dts,"")),l.frame=!0;var s=e.data;if(d&&s.length>4){var f=new X(s).readSliceType();2!==f&&4!==f&&7!==f&&9!==f||(l.key=!0)}break;case 5:i=!0,l||(l=n.avcSample=h(!0,t.pts,t.dts,"")),l.key=!0,l.frame=!0;break;case 6:i=!0,r=new X(n.discardEPB(e.data)),r.readUByte();for(var c=0,p=0,v=!1,g=0;!v&&r.bytesAvailable>1;){c=0;do{g=r.readUByte(),c+=g}while(255===g);p=0;do{g=r.readUByte(),p+=g}while(255===g);if(4===c&&0!==r.bytesAvailable){v=!0;if(181===r.readUByte()){if(49===r.readUShort()){if(1195456820===r.readUInt()){if(3===r.readUByte()){var m=r.readUByte(),y=r.readUByte(),b=31&m,E=[m,y];for(a=0;a<b;a++)E.push(r.readUByte()),E.push(r.readUByte()),E.push(r.readUByte());n._insertSampleInOrder(n._txtTrack.samples,{type:3,pts:t.pts,bytes:E})}}}}}else if(p<r.bytesAvailable)for(a=0;a<p;a++)r.readUByte()}break;case 7:if(i=!0,d=!0,!o.sps){r=new X(e.data);var R=r.readSPS();o.width=R.width,o.height=R.height,o.pixelRatio=R.pixelRatio,o.sps=[e.data],o.duration=n._duration;var A=e.data.subarray(1,4),T="avc1.";for(a=0;a<3;a++){var S=A[a].toString(16);S.length<2&&(S="0"+S),T+=S}o.codec=T}break;case 8:i=!0,o.pps||(o.pps=[e.data]);break;case 9:i=!1,o.audFound=!0,l&&u(l,o),l=n.avcSample=h(!1,t.pts,t.dts,"");break;case 12:i=!1;break;default:i=!1,l&&(l.debug+="unknown NAL "+e.type+" ")}if(l&&i){l.units.push(e)}}),e&&l&&(u(l,o),this.avcSample=null)},t.prototype._insertSampleInOrder=function(t,e){var r=t.length;if(r>0){if(e.pts>=t[r-1].pts)t.push(e);else for(var i=r-1;i>=0;i--)if(e.pts<t[i].pts){t.splice(i,0,e);break}}else t.push(e)},t.prototype._getLastNalUnit=function(){var t=this.avcSample,e=void 0;if(!t||0===t.units.length){var r=this._avcTrack,i=r.samples;t=i[i.length-1]}if(t){var a=t.units;e=a[a.length-1]}return e},t.prototype._parseAVCNALu=function(t){var e,r,i,a,n,o=0,s=t.byteLength,l=this._avcTrack,d=l.naluState||0,u=d,h=[],f=-1;for(-1===d&&(f=0,n=31&t[0],d=0,o=1);o<s;)if(e=t[o++],d)if(1!==d)if(e)if(1===e){if(f>=0)i={data:t.subarray(f,o-d-1),type:n},h.push(i);else{var c=this._getLastNalUnit();if(c&&(u&&o<=4-u&&c.state&&(c.data=c.data.subarray(0,c.data.byteLength-u)),(r=o-d-1)>0)){var p=new Uint8Array(c.data.byteLength+r);p.set(c.data,0),p.set(t.subarray(0,r),c.data.byteLength),c.data=p}}o<s?(a=31&t[o],f=o,n=a,d=0):d=-1}else d=0;else d=3;else d=e?0:2;else d=e?0:1;if(f>=0&&d>=0&&(i={data:t.subarray(f,s),type:n,state:d},h.push(i)),0===h.length){var v=this._getLastNalUnit();if(v){var g=new Uint8Array(v.data.byteLength+t.byteLength);g.set(v.data,0),g.set(t,v.data.byteLength),v.data=g}}return l.naluState=d,h},t.prototype.discardEPB=function(t){for(var e,r,i=t.byteLength,a=[],n=1;n<i-2;)0===t[n]&&0===t[n+1]&&3===t[n+2]?(a.push(n+2),n+=2):n++;if(0===a.length)return t;e=i-a.length,r=new Uint8Array(e);var o=0;for(n=0;n<e;o++,n++)o===a[0]&&(o++,a.shift()),r[n]=t[o];return r},t.prototype._parseAACPES=function(t){var e,r,i,a,n,o=this._audioTrack,s=t.data,l=t.pts,d=this.aacOverFlow,u=this.aacLastPTS;if(d){var f=new Uint8Array(d.byteLength+s.byteLength);f.set(d,0),f.set(s,d.byteLength),s=f}for(i=0,n=s.length;i<n-1&&!h(s,i);i++);if(i){var v,m;if(i<n-1?(v="AAC PES did not start with ADTS header,offset:"+i,m=!1):(v="no ADTS header found in AAC PES",m=!0),M.b.warn("parsing error:"+v),this.observer.trigger(D.a.ERROR,{type:O.b.MEDIA_ERROR,details:O.a.FRAG_PARSING_ERROR,fatal:m,reason:v}),m)return}if(c(o,this.observer,s,i,this.audioCodec),r=0,e=p(o.samplerate),d&&u){var y=u+e;Math.abs(y-l)>1&&(M.b.log("AAC: align PTS for overlapping frames by "+Math.round((y-l)/90)),l=y)}for(;i<n;)if(h(s,i)&&i+5<n){var b=g(o,s,i,l,r);if(!b)break;i+=b.length,a=b.sample.pts,r++}else i++;d=i<n?s.subarray(i,n):null,this.aacOverFlow=d,this.aacLastPTS=a},t.prototype._parseMPEGPES=function(t){for(var e=t.data,r=e.length,i=0,a=0,n=t.pts;a<r;)if(Y.isHeader(e,a)){var o=Y.appendFrame(this._audioTrack,e,a,n,i);if(!o)break;a+=o.length,i++}else a++},t.prototype._parseID3PES=function(t){this._id3Track.samples.push(t)},t}(),Z=J,$=function(){function t(e,r,i){A(this,t),this.observer=e,this.config=i,this.remuxer=r}return t.prototype.resetInitSegment=function(t,e,r,i){this._audioTrack={container:"audio/mpeg",type:"audio",id:-1,sequenceNumber:0,isAAC:!1,samples:[],len:0,manifestCodec:e,duration:i,inputTimeScale:9e4}},t.prototype.resetTimeStamp=function(){},t.probe=function(t){var e,r,i=B.a.getID3Data(t,0);if(i&&void 0!==B.a.getTimeStamp(i))for(e=i.length,r=Math.min(t.length-1,e+100);e<r;e++)if(Y.probe(t,e))return M.b.log("MPEG Audio sync word found !"),!0;return!1},t.prototype.append=function(t,e,r,i){for(var a=B.a.getID3Data(t,0),n=90*B.a.getTimeStamp(a),o=a.length,s=t.length,l=0,d=0,u=this._audioTrack,h=[{pts:n,dts:n,data:a}];o<s;)if(Y.isHeader(t,o)){var f=Y.appendFrame(u,t,o,n,l);if(!f)break;o+=f.length,d=f.sample.pts,l++}else B.a.isHeader(t,o)?(a=B.a.getID3Data(t,o),h.push({pts:d,dts:d,data:a}),o+=a.length):o++;this.remuxer.remux(u,{samples:[]},{samples:h,inputTimeScale:9e4},{samples:[]},e,r,i)},t.prototype.destroy=function(){},t}(),tt=$,et=function(){function t(){T(this,t)}return t.getSilentFrame=function(t,e){switch(t){case"mp4a.40.2":if(1===e)return new Uint8Array([0,200,0,128,35,128]);if(2===e)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(3===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(4===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(5===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,56]);if(6===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,0,178,0,32,8,224]);break;default:if(1===e)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(2===e)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(3===e)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94])}return null},t}(),rt=et,it=Math.pow(2,32)-1,at=function(){function t(){S(this,t)}return t.init=function(){t.types={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],".mp3":[],mvex:[],mvhd:[],pasp:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[]};var e;for(e in t.types)t.types.hasOwnProperty(e)&&(t.types[e]=[e.charCodeAt(0),e.charCodeAt(1),e.charCodeAt(2),e.charCodeAt(3)]);var r=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),i=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]);t.HDLR_TYPES={video:r,audio:i};var a=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),n=new Uint8Array([0,0,0,0,0,0,0,0]);t.STTS=t.STSC=t.STCO=n,t.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),t.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),t.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),t.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var o=new Uint8Array([105,115,111,109]),s=new Uint8Array([97,118,99,49]),l=new Uint8Array([0,0,0,1]);t.FTYP=t.box(t.types.ftyp,o,l,o,s),t.DINF=t.box(t.types.dinf,t.box(t.types.dref,a))},t.box=function(t){for(var e,r=Array.prototype.slice.call(arguments,1),i=8,a=r.length,n=a;a--;)i+=r[a].byteLength;for(e=new Uint8Array(i),e[0]=i>>24&255,e[1]=i>>16&255,e[2]=i>>8&255,e[3]=255&i,e.set(t,4),a=0,i=8;a<n;a++)e.set(r[a],i),i+=r[a].byteLength;return e},t.hdlr=function(e){return t.box(t.types.hdlr,t.HDLR_TYPES[e])},t.mdat=function(e){return t.box(t.types.mdat,e)},t.mdhd=function(e,r){r*=e;var i=Math.floor(r/(it+1)),a=Math.floor(r%(it+1));return t.box(t.types.mdhd,new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,i>>24,i>>16&255,i>>8&255,255&i,a>>24,a>>16&255,a>>8&255,255&a,85,196,0,0]))},t.mdia=function(e){return t.box(t.types.mdia,t.mdhd(e.timescale,e.duration),t.hdlr(e.type),t.minf(e))},t.mfhd=function(e){return t.box(t.types.mfhd,new Uint8Array([0,0,0,0,e>>24,e>>16&255,e>>8&255,255&e]))},t.minf=function(e){return"audio"===e.type?t.box(t.types.minf,t.box(t.types.smhd,t.SMHD),t.DINF,t.stbl(e)):t.box(t.types.minf,t.box(t.types.vmhd,t.VMHD),t.DINF,t.stbl(e))},t.moof=function(e,r,i){return t.box(t.types.moof,t.mfhd(e),t.traf(i,r))},t.moov=function(e){for(var r=e.length,i=[];r--;)i[r]=t.trak(e[r]);return t.box.apply(null,[t.types.moov,t.mvhd(e[0].timescale,e[0].duration)].concat(i).concat(t.mvex(e)))},t.mvex=function(e){for(var r=e.length,i=[];r--;)i[r]=t.trex(e[r]);return t.box.apply(null,[t.types.mvex].concat(i))},t.mvhd=function(e,r){r*=e;var i=Math.floor(r/(it+1)),a=Math.floor(r%(it+1)),n=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,i>>24,i>>16&255,i>>8&255,255&i,a>>24,a>>16&255,a>>8&255,255&a,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return t.box(t.types.mvhd,n)},t.sdtp=function(e){var r,i,a=e.samples||[],n=new Uint8Array(4+a.length);for(i=0;i<a.length;i++)r=a[i].flags,n[i+4]=r.dependsOn<<4|r.isDependedOn<<2|r.hasRedundancy;return t.box(t.types.sdtp,n)},t.stbl=function(e){return t.box(t.types.stbl,t.stsd(e),t.box(t.types.stts,t.STTS),t.box(t.types.stsc,t.STSC),t.box(t.types.stsz,t.STSZ),t.box(t.types.stco,t.STCO))},t.avc1=function(e){var r,i,a,n=[],o=[];for(r=0;r<e.sps.length;r++)i=e.sps[r],a=i.byteLength,n.push(a>>>8&255),n.push(255&a),n=n.concat(Array.prototype.slice.call(i));for(r=0;r<e.pps.length;r++)i=e.pps[r],a=i.byteLength,o.push(a>>>8&255),o.push(255&a),o=o.concat(Array.prototype.slice.call(i));var s=t.box(t.types.avcC,new Uint8Array([1,n[3],n[4],n[5],255,224|e.sps.length].concat(n).concat([e.pps.length]).concat(o))),l=e.width,d=e.height,u=e.pixelRatio[0],h=e.pixelRatio[1];return t.box(t.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,d>>8&255,255&d,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),s,t.box(t.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),t.box(t.types.pasp,new Uint8Array([u>>24,u>>16&255,u>>8&255,255&u,h>>24,h>>16&255,h>>8&255,255&h])))},t.esds=function(t){var e=t.config.length;return new Uint8Array([0,0,0,0,3,23+e,0,1,0,4,15+e,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([e]).concat(t.config).concat([6,1,2]))},t.mp4a=function(e){var r=e.samplerate;return t.box(t.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),t.box(t.types.esds,t.esds(e)))},t.mp3=function(e){var r=e.samplerate;return t.box(t.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]))},t.stsd=function(e){return"audio"===e.type?e.isAAC||"mp3"!==e.codec?t.box(t.types.stsd,t.STSD,t.mp4a(e)):t.box(t.types.stsd,t.STSD,t.mp3(e)):t.box(t.types.stsd,t.STSD,t.avc1(e))},t.tkhd=function(e){var r=e.id,i=e.duration*e.timescale,a=e.width,n=e.height,o=Math.floor(i/(it+1)),s=Math.floor(i%(it+1));return t.box(t.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,o>>24,o>>16&255,o>>8&255,255&o,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,a>>8&255,255&a,0,0,n>>8&255,255&n,0,0]))},t.traf=function(e,r){var i=t.sdtp(e),a=e.id,n=Math.floor(r/(it+1)),o=Math.floor(r%(it+1));return t.box(t.types.traf,t.box(t.types.tfhd,new Uint8Array([0,0,0,0,a>>24,a>>16&255,a>>8&255,255&a])),t.box(t.types.tfdt,new Uint8Array([1,0,0,0,n>>24,n>>16&255,n>>8&255,255&n,o>>24,o>>16&255,o>>8&255,255&o])),t.trun(e,i.length+16+20+8+16+8+8),i)},t.trak=function(e){return e.duration=e.duration||4294967295,t.box(t.types.trak,t.tkhd(e),t.mdia(e))},t.trex=function(e){var r=e.id;return t.box(t.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},t.trun=function(e,r){var i,a,n,o,s,l,d=e.samples||[],u=d.length,h=12+16*u,f=new Uint8Array(h);for(r+=8+h,f.set([0,0,15,1,u>>>24&255,u>>>16&255,u>>>8&255,255&u,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),i=0;i<u;i++)a=d[i],n=a.duration,o=a.size,s=a.flags,l=a.cts,f.set([n>>>24&255,n>>>16&255,n>>>8&255,255&n,o>>>24&255,o>>>16&255,o>>>8&255,255&o,s.isLeading<<2|s.dependsOn,s.isDependedOn<<6|s.hasRedundancy<<4|s.paddingValue<<1|s.isNonSync,61440&s.degradPrio,15&s.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*i);return t.box(t.types.trun,f)},t.initSegment=function(e){t.types||t.init();var r,i=t.moov(e);return r=new Uint8Array(t.FTYP.byteLength+i.byteLength),r.set(t.FTYP),r.set(i,t.FTYP.byteLength),r},t}(),nt=at,ot=function(){function t(e,r,i,a){_(this,t),this.observer=e,this.config=r,this.typeSupported=i;var n=navigator.userAgent;this.isSafari=a&&a.indexOf("Apple")>-1&&n&&!n.match("CriOS"),this.ISGenerated=!1}return t.prototype.destroy=function(){},t.prototype.resetTimeStamp=function(t){this._initPTS=this._initDTS=t},t.prototype.resetInitSegment=function(){this.ISGenerated=!1},t.prototype.remux=function(t,e,r,i,a,n,o){if(this.ISGenerated||this.generateIS(t,e,a),this.ISGenerated)if(t.samples.length){t.timescale||(M.b.warn("regenerate InitSegment as audio detected"),this.generateIS(t,e,a));var s=this.remuxAudio(t,a,n,o);if(e.samples.length){var l=void 0;s&&(l=s.endPTS-s.startPTS),e.timescale||(M.b.warn("regenerate InitSegment as video detected"),this.generateIS(t,e,a)),this.remuxVideo(e,a,n,l,o)}}else{var d=void 0;e.samples.length&&(d=this.remuxVideo(e,a,n,o)),d&&t.codec&&this.remuxEmptyAudio(t,a,n,d)}r.samples.length&&this.remuxID3(r,a),i.samples.length&&this.remuxText(i,a),this.observer.trigger(D.a.FRAG_PARSED)},t.prototype.generateIS=function(t,e,r){var i,a,n=this.observer,o=t.samples,s=e.samples,l=this.typeSupported,d="audio/mp4",u={},h={tracks:u},f=void 0===this._initPTS;if(f&&(i=a=1/0),t.config&&o.length&&(t.timescale=t.samplerate,M.b.log("audio sampling rate : "+t.samplerate),t.isAAC||(l.mpeg?(d="audio/mpeg",t.codec=""):l.mp3&&(t.codec="mp3")),u.audio={container:d,codec:t.codec,initSegment:!t.isAAC&&l.mpeg?new Uint8Array:nt.initSegment([t]),metadata:{channelCount:t.channelCount}},f&&(i=a=o[0].pts-t.inputTimeScale*r)),e.sps&&e.pps&&s.length){var c=e.inputTimeScale;e.timescale=c,u.video={container:"video/mp4",codec:e.codec,initSegment:nt.initSegment([e]),metadata:{width:e.width,height:e.height}},f&&(i=Math.min(i,s[0].pts-c*r),a=Math.min(a,s[0].dts-c*r),this.observer.trigger(D.a.INIT_PTS_FOUND,{initPTS:i}))}Object.keys(u).length?(n.trigger(D.a.FRAG_PARSING_INIT_SEGMENT,h),this.ISGenerated=!0,f&&(this._initPTS=i,this._initDTS=a)):n.trigger(D.a.ERROR,{type:O.b.MEDIA_ERROR,details:O.a.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})},t.prototype.remuxVideo=function(t,e,r,i,a){var n,o,s,l,d,u,h,f=8,c=t.timescale,p=t.samples,v=[],g=p.length,m=this._PTSNormalize,y=this._initDTS,b=this.nextAvcDts,E=this.isSafari;E&&(r|=p.length&&b&&(a&&Math.abs(e-b/c)<.1||Math.abs(p[0].pts-b-y)<c/5)),r||(b=e*c),p.forEach(function(t){t.pts=m(t.pts-y,b),t.dts=m(t.dts-y,b)}),p.sort(function(t,e){var r=t.dts-e.dts,i=t.pts-e.pts;return r||(i||t.id-e.id)});var R=p.reduce(function(t,e){return Math.max(Math.min(t,e.pts-e.dts),-18e3)},0);if(R<0){M.b.warn("PTS < DTS detected in video samples, shifting DTS by "+Math.round(R/90)+" ms to overcome this issue");for(var A=0;A<p.length;A++)p[A].dts+=R}var T=p[0];d=Math.max(T.dts,0),l=Math.max(T.pts,0);var S=Math.round((d-b)/90);r&&S&&(S>1?M.b.log("AVC:"+S+" ms hole between fragments detected,filling it"):S<-1&&M.b.log("AVC:"+-S+" ms overlapping between fragments detected"),d=b,p[0].dts=d,l=Math.max(l-S,b),p[0].pts=l,M.b.log("Video/PTS/DTS adjusted: "+Math.round(l/90)+"/"+Math.round(d/90)+",delta:"+S+" ms")),T=p[p.length-1],h=Math.max(T.dts,0),u=Math.max(T.pts,0,h),E&&(n=Math.round((h-d)/(p.length-1)));for(var _=0,L=0,w=0;w<g;w++){for(var x=p[w],I=x.units,k=I.length,P=0,C=0;C<k;C++)P+=I[C].data.length;L+=P,_+=k,x.length=P,x.dts=E?d+w*n:Math.max(x.dts,d),x.pts=Math.max(x.pts,x.dts)}var F=L+4*_+8;try{o=new Uint8Array(F)}catch(t){return void this.observer.trigger(D.a.ERROR,{type:O.b.MUX_ERROR,details:O.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:F,reason:"fail allocating video mdat "+F})}var N=new DataView(o.buffer);N.setUint32(0,F),o.set(nt.types.mdat,4);for(var U=0;U<g;U++){for(var B=p[U],G=B.units,H=0,j=void 0,V=0,W=G.length;V<W;V++){var K=G[V],Y=K.data,z=K.data.byteLength;N.setUint32(f,z),f+=4,o.set(Y,f),f+=z,H+=4+z}if(E)j=Math.max(0,n*Math.round((B.pts-B.dts)/n));else{if(U<g-1)n=p[U+1].dts-B.dts;else{var X=this.config,q=B.dts-p[U>0?U-1:U].dts;if(X.stretchShortVideoTrack){var Q=X.maxBufferHole,J=X.maxSeekHole,Z=Math.floor(Math.min(Q,J)*c),$=(i?l+i*c:this.nextAudioPts)-B.pts;$>Z?(n=$-q,n<0&&(n=q),M.b.log("It is approximately "+$/90+" ms to the next segment; using duration "+n/90+" ms for the last video frame.")):n=q}else n=q}j=Math.round(B.pts-B.dts)}v.push({size:H,duration:n,cts:j,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:B.key?2:1,isNonSync:B.key?0:1}})}this.nextAvcDts=h+n;var tt=t.dropped;if(t.len=0,t.nbNalu=0,t.dropped=0,v.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1){var et=v[0].flags;et.dependsOn=2,et.isNonSync=0}t.samples=v,s=nt.moof(t.sequenceNumber++,d,t),t.samples=[];var rt={data1:s,data2:o,startPTS:l/c,endPTS:(u+n)/c,startDTS:d/c,endDTS:this.nextAvcDts/c,type:"video",nb:v.length,dropped:tt};return this.observer.trigger(D.a.FRAG_PARSING_DATA,rt),rt},t.prototype.remuxAudio=function(t,e,r,i){var a,n,o,s,l,d,u,h=t.inputTimeScale,f=t.timescale,c=h/f,p=t.isAAC?1024:1152,v=p*c,g=this._PTSNormalize,m=this._initDTS,y=!t.isAAC&&this.typeSupported.mpeg,b=t.samples,E=[],R=this.nextAudioPts;if(r|=b.length&&R&&(i&&Math.abs(e-R/h)<.1||Math.abs(b[0].pts-R-m)<20*v),r||(R=e*h),b.forEach(function(t){t.pts=t.dts=g(t.pts-m,R)}),b.sort(function(t,e){return t.pts-e.pts}),i&&t.isAAC)for(var A=0,T=R;A<b.length;){var S,_=b[A],L=_.pts;S=L-T;var w=Math.abs(1e3*S/h);if(S<=-v)M.b.warn("Dropping 1 audio frame @ "+(T/h).toFixed(3)+"s due to "+w+" ms overlap."),b.splice(A,1),t.len-=_.unit.length;else if(S>=v&&w<1e4&&T){var x=Math.round(S/v);M.b.warn("Injecting "+x+" audio frame @ "+(T/h).toFixed(3)+"s due to "+Math.round(1e3*S/h)+" ms gap.");for(var I=0;I<x;I++){var k=Math.max(T,0);o=rt.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),o||(M.b.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),o=_.unit.subarray()),b.splice(A,0,{unit:o,pts:k,dts:k}),t.len+=o.length,T+=v,A++}_.pts=_.dts=T,T+=v,A++}else Math.abs(S),_.pts=_.dts=T,T+=v,A++}for(var P=0,C=b.length;P<C;P++){var F=b[P],N=F.unit,U=F.pts;if(void 0!==u)n.duration=Math.round((U-u)/c);else{var B=Math.round(1e3*(U-R)/h),G=0;if(r&&t.isAAC&&B){if(B>0&&B<1e4)G=Math.round((U-R)/v),M.b.log(B+" ms hole between AAC samples detected,filling it"),G>0&&(o=rt.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),o||(o=N.subarray()),t.len+=G*o.length);else if(B<-12){M.b.log("drop overlapping AAC sample, expected/parsed/delta:"+(R/h).toFixed(3)+"s/"+(U/h).toFixed(3)+"s/"+-B+"ms"),t.len-=N.byteLength;continue}U=R}if(d=Math.max(0,U),!(t.len>0))return;var H=y?t.len:t.len+8;a=y?0:8;try{s=new Uint8Array(H)}catch(t){return void this.observer.trigger(D.a.ERROR,{type:O.b.MUX_ERROR,details:O.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:H,reason:"fail allocating audio mdat "+H})}if(!y){new DataView(s.buffer).setUint32(0,H),s.set(nt.types.mdat,4)}for(var j=0;j<G;j++)o=rt.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),o||(M.b.log("Unable to get silent frame for given audio codec; duplicating this frame instead."),o=N.subarray()),s.set(o,a),a+=o.byteLength,n={size:o.byteLength,cts:0,duration:1024,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},E.push(n)}s.set(N,a);var V=N.byteLength;a+=V,n={size:V,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},E.push(n),u=U}var W=0,K=E.length;if(K>=2&&(W=E[K-2].duration,n.duration=W),K){this.nextAudioPts=R=u+c*W,t.len=0,t.samples=E,l=y?new Uint8Array:nt.moof(t.sequenceNumber++,d/c,t),t.samples=[];var Y=d/h,z=R/h,X={data1:l,data2:s,startPTS:Y,endPTS:z,startDTS:Y,endDTS:z,type:"audio",nb:K};return this.observer.trigger(D.a.FRAG_PARSING_DATA,X),X}return null},t.prototype.remuxEmptyAudio=function(t,e,r,i){var a=t.inputTimeScale,n=t.samplerate?t.samplerate:a,o=a/n,s=this.nextAudioPts,l=(void 0!==s?s:i.startDTS*a)+this._initDTS,d=i.endDTS*a+this._initDTS,u=1024*o,h=Math.ceil((d-l)/u),f=rt.getSilentFrame(t.manifestCodec||t.codec,t.channelCount);if(M.b.warn("remux empty Audio"),!f)return void M.b.trace("Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!");for(var c=[],p=0;p<h;p++){var v=l+p*u;c.push({unit:f,pts:v,dts:v}),t.len+=f.length}t.samples=c,this.remuxAudio(t,e,r)},t.prototype.remuxID3=function(t,e){var r,i=t.samples.length,a=t.inputTimeScale,n=this._initPTS,o=this._initDTS;if(i){for(var s=0;s<i;s++)r=t.samples[s],r.pts=(r.pts-n)/a,r.dts=(r.dts-o)/a;this.observer.trigger(D.a.FRAG_PARSING_METADATA,{samples:t.samples})}t.samples=[],e=e},t.prototype.remuxText=function(t,e){t.samples.sort(function(t,e){return t.pts-e.pts});var r,i=t.samples.length,a=t.inputTimeScale,n=this._initPTS;if(i){for(var 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e=this.loaders[t];e&&e.destroy()}this.loaders={},it.prototype.destroy.call(this)},e.prototype.onManifestLoading=function(t){this.load(t.url,{type:"manifest"})},e.prototype.onLevelLoading=function(t){this.load(t.url,{type:"level",level:t.level,id:t.id})},e.prototype.onAudioTrackLoading=function(t){this.load(t.url,{type:"audioTrack",id:t.id})},e.prototype.onSubtitleTrackLoading=function(t){this.load(t.url,{type:"subtitleTrack",id:t.id})},e.prototype.load=function(t,e){var r=this.loaders[e.type];if(r){var i=r.context;if(i&&i.url===t)return void tt.b.trace("playlist request ongoing");tt.b.warn("abort previous loader for type:"+e.type),r.abort()}var a=this.hls.config,n=void 0,o=void 0,s=void 0,l=void 0;"manifest"===e.type?(n=a.manifestLoadingMaxRetry,o=a.manifestLoadingTimeOut,s=a.manifestLoadingRetryDelay,l=a.manifestLoadingMaxRetryTimeout):(n=a.levelLoadingMaxRetry,o=a.levelLoadingTimeOut,s=a.levelLoadingRetryDelay,l=a.levelLoadingMaxRetryTimeout,tt.b.log("loading playlist for "+e.type+" 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u="audioTrack"!==o&&"subtitleTrack"!==o,h=isNaN(l)?isNaN(s)?0:s:l,f=this.parseLevelPlaylist(a,n,h,"audioTrack"===o?"audio":"subtitleTrack"===o?"subtitle":"main");f.tload=e.tload,"manifest"===o&&d.trigger(Z.a.MANIFEST_LOADED,{levels:[{url:n,details:f}],audioTracks:[],url:n,stats:e,networkDetails:i}),e.tparsed=performance.now(),f.targetduration?u?d.trigger(Z.a.LEVEL_LOADED,{details:f,level:l||0,id:s||0,stats:e,networkDetails:i}):"audioTrack"===o?d.trigger(Z.a.AUDIO_TRACK_LOADED,{details:f,id:s,stats:e,networkDetails:i}):"subtitleTrack"===o&&d.trigger(Z.a.SUBTITLE_TRACK_LOADED,{details:f,id:s,stats:e,networkDetails:i}):d.trigger(Z.a.ERROR,{type:$.b.NETWORK_ERROR,details:$.a.MANIFEST_PARSING_ERROR,fatal:!0,url:n,reason:"invalid targetduration",networkDetails:i})}else{var c=this.parseMasterPlaylist(a,n);if(c.length){var p=this.parseMasterPlaylistMedia(a,n,"AUDIO",c[0].audioCodec),v=this.parseMasterPlaylistMedia(a,n,"SUBTITLES");if(p.length){var 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0),this.hls.trigger(Z.a.ERROR,{type:$.b.NETWORK_ERROR,details:r,fatal:i,url:n.url,loader:n,response:t,context:e,networkDetails:a})},e.prototype.loadtimeout=function(t,e){var r,i,a=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,n=e.loader;switch(e.type){case"manifest":r=$.a.MANIFEST_LOAD_TIMEOUT,i=!0;break;case"level":r=$.a.LEVEL_LOAD_TIMEOUT,i=!1;break;case"audioTrack":r=$.a.AUDIO_TRACK_LOAD_TIMEOUT,i=!1}n&&(n.abort(),this.loaders[e.type]=void 0),this.hls.trigger(Z.a.ERROR,{type:$.b.NETWORK_ERROR,details:r,fatal:i,url:n.url,loader:n,context:e,networkDetails:a})},e}(it),mt=gt,yt=function(t){function e(r){u(this,e);var i=h(this,t.call(this,r,Z.a.FRAG_LOADING));return i.loaders={},i}return f(e,t),e.prototype.destroy=function(){var t=this.loaders;for(var e in t){var r=t[e];r&&r.destroy()}this.loaders={},it.prototype.destroy.call(this)},e.prototype.onFragLoading=function(t){var e=t.frag,r=e.type,i=this.loaders[r],a=this.hls.config;e.loaded=0,i&&(tt.b.warn("abort previous 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0,this.hls.trigger(Z.a.ERROR,{type:$.b.NETWORK_ERROR,details:$.a.FRAG_LOAD_ERROR,fatal:!1,frag:e.frag,response:t,networkDetails:r})},e.prototype.loadtimeout=function(t,e){var r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,i=e.loader;i&&i.abort(),this.loaders[e.type]=void 0,this.hls.trigger(Z.a.ERROR,{type:$.b.NETWORK_ERROR,details:$.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:e.frag,networkDetails:r})},e.prototype.loadprogress=function(t,e,r){var i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,a=e.frag;a.loaded=t.loaded,this.hls.trigger(Z.a.FRAG_LOAD_PROGRESS,{frag:a,stats:t,networkDetails:i})},e}(it),bt=yt,Et=function(t){function e(r){c(this,e);var i=p(this,t.call(this,r,Z.a.KEY_LOADING));return i.loaders={},i.decryptkey=null,i.decrypturl=null,i}return v(e,t),e.prototype.destroy=function(){for(var t in this.loaders){var e=this.loaders[t];e&&e.destroy()}this.loaders={},it.prototype.destroy.call(this)},e.prototype.onKeyLoading=function(t){var 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r=e.frag,i=r.loader;i&&i.abort(),this.loaders[e.type]=void 0,this.hls.trigger(Z.a.ERROR,{type:$.b.NETWORK_ERROR,details:$.a.KEY_LOAD_ERROR,fatal:!1,frag:r,response:t})},e.prototype.loadtimeout=function(t,e){var r=e.frag,i=r.loader;i&&i.abort(),this.loaders[e.type]=void 0,this.hls.trigger(Z.a.ERROR,{type:$.b.NETWORK_ERROR,details:$.a.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},e}(it),Rt=Et,At={search:function(t,e){for(var r=0,i=t.length-1,a=null,n=null;r<=i;){a=(r+i)/2|0,n=t[a];var o=e(n);if(o>0)r=a+1;else{if(!(o<0))return n;i=a-1}}return null}},Tt=At,St={isBuffered:function(t,e){if(t)for(var r=t.buffered,i=0;i<r.length;i++)if(e>=r.start(i)&&e<=r.end(i))return!0;return!1},bufferInfo:function(t,e,r){if(t){var i,a=t.buffered,n=[];for(i=0;i<a.length;i++)n.push({start:a.start(i),end:a.end(i)});return this.bufferedInfo(n,e,r)}return{len:0,start:e,end:e,nextStart:void 0}},bufferedInfo:function(t,e,r){var i,a,n,o,s,l=[];for(t.sort(function(t,e){var r=t.start-e.start;return 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n=function(t,r){r=r||{},r.frag=this.frag,r.id=this.id,e.trigger(t,r)}.bind(this);i.on(Z.a.FRAG_DECRYPTED,n),i.on(Z.a.FRAG_PARSING_INIT_SEGMENT,n),i.on(Z.a.FRAG_PARSING_DATA,n),i.on(Z.a.FRAG_PARSED,n),i.on(Z.a.ERROR,n),i.on(Z.a.FRAG_PARSING_METADATA,n),i.on(Z.a.FRAG_PARSING_USERDATA,n),i.on(Z.a.INIT_PTS_FOUND,n);var o={mp4:MediaSource.isTypeSupported("video/mp4"),mpeg:MediaSource.isTypeSupported("audio/mpeg"),mp3:MediaSource.isTypeSupported('audio/mp4; codecs="mp3"')},s=navigator.vendor;if(a.enableWorker&&"undefined"!=typeof Worker){tt.b.log("demuxing in webworker");var l=void 0;try{l=this.w=xt()(10),this.onwmsg=this.onWorkerMessage.bind(this),l.addEventListener("message",this.onwmsg),l.onerror=function(t){e.trigger(Z.a.ERROR,{type:$.b.OTHER_ERROR,details:$.a.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",err:{message:t.message+" ("+t.filename+":"+t.lineno+")"}})},l.postMessage({cmd:"init",typeSupported:o,vendor:s,id:r,config:JSON.stringify(a)})}catch(t){tt.b.error("error while initializing DemuxerWorker, fallback on DemuxerInline"),l&&URL.revokeObjectURL(l.objectURL),this.demuxer=new Lt.a(i,o,a,s),this.w=void 0}}else this.demuxer=new Lt.a(i,o,a,s)}return t.prototype.destroy=function(){var t=this.w;if(t)t.removeEventListener("message",this.onwmsg),t.terminate(),this.w=null;else{var e=this.demuxer;e&&(e.destroy(),this.demuxer=null)}var r=this.observer;r&&(r.removeAllListeners(),this.observer=null)},t.prototype.push=function(t,e,r,i,a,n,o,s){var l=this.w,d=isNaN(a.startDTS)?a.start:a.startDTS,u=a.decryptdata,h=this.frag,f=!(h&&a.cc===h.cc),c=!(h&&a.level===h.level),p=h&&a.sn===h.sn+1,v=!c&&p;if(f&&tt.b.log(this.id+":discontinuity detected"),c&&tt.b.log(this.id+":switch detected"),this.frag=a,l)l.postMessage({cmd:"demux",data:t,decryptdata:u,initSegment:e,audioCodec:r,videoCodec:i,timeOffset:d,discontinuity:f,trackSwitch:c,contiguous:v,duration:n,accurateTimeOffset:o,defaultInitPTS:s},[t]);else{var g=this.demuxer;g&&g.push(t,u,e,r,i,d,f,c,v,n,o,s)}},t.prototype.onWorkerMessage=function(t){var e=t.data,r=this.hls;switch(e.event){case"init":URL.revokeObjectURL(this.w.objectURL);break;case Z.a.FRAG_PARSING_DATA:e.data.data1=new Uint8Array(e.data1),e.data2&&(e.data.data2=new Uint8Array(e.data2));default:e.data=e.data||{},e.data.frag=this.frag,e.data.id=this.id,r.trigger(e.event,e.data)}},t}(),kt=It,Pt={toString:function(t){for(var e="",r=t.length,i=0;i<r;i++)e+="["+t.start(i).toFixed(3)+","+t.end(i).toFixed(3)+"]";return e}},Ct=Pt,Ft=function(){function t(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}return function(e,r,i){return r&&t(e.prototype,r),i&&t(e,i),e}}(),Mt={STOPPED:"STOPPED",IDLE:"IDLE",KEY_LOADING:"KEY_LOADING",FRAG_LOADING:"FRAG_LOADING",FRAG_LOADING_WAITING_RETRY:"FRAG_LOADING_WAITING_RETRY",WAITING_LEVEL:"WAITING_LEVEL",PARSING:"PARSING",PARSED:"PARSED",BUFFER_FLUSHING:"BUFFER_FLUSHING",ENDED:"ENDED",ERROR:"ERROR"},Nt=function(t){function e(r){_(this,e);var i=L(this,t.call(this,r,Z.a.MEDIA_ATTACHED,Z.a.MEDIA_DETACHING,Z.a.MANIFEST_LOADING,Z.a.MANIFEST_PARSED,Z.a.LEVEL_LOADED,Z.a.KEY_LOADED,Z.a.FRAG_LOADED,Z.a.FRAG_LOAD_EMERGENCY_ABORTED,Z.a.FRAG_PARSING_INIT_SEGMENT,Z.a.FRAG_PARSING_DATA,Z.a.FRAG_PARSED,Z.a.ERROR,Z.a.AUDIO_TRACK_SWITCHING,Z.a.AUDIO_TRACK_SWITCHED,Z.a.BUFFER_CREATED,Z.a.BUFFER_APPENDED,Z.a.BUFFER_FLUSHED));return i.config=r.config,i.audioCodecSwap=!1,i.ticks=0,i._state=Mt.STOPPED,i.ontick=i.tick.bind(i),i}return w(e,t),e.prototype.destroy=function(){this.stopLoad(),this.timer&&(clearInterval(this.timer),this.timer=null),it.prototype.destroy.call(this),this.state=Mt.STOPPED},e.prototype.startLoad=function(t){if(this.levels){var e=this.lastCurrentTime,r=this.hls;if(this.stopLoad(),this.timer||(this.timer=setInterval(this.ontick,100)),this.level=-1,this.fragLoadError=0,!this.startFragRequested){var i=r.startLevel;-1===i&&(i=0,this.bitrateTest=!0),this.level=r.nextLoadLevel=i,this.loadedmetadata=!1}e>0&&-1===t&&(tt.b.log("override startPosition with lastCurrentTime @"+e.toFixed(3)),t=e),this.state=Mt.IDLE,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()}else this.forceStartLoad=!0,this.state=Mt.STOPPED},e.prototype.stopLoad=function(){var t=this.fragCurrent;t&&(t.loader&&t.loader.abort(),this.fragCurrent=null),this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=Mt.STOPPED,this.forceStartLoad=!1},e.prototype.tick=function(){1===++this.ticks&&(this.doTick(),this.ticks>1&&setTimeout(this.tick,1),this.ticks=0)},e.prototype.doTick=function(){switch(this.state){case Mt.ERROR:break;case Mt.BUFFER_FLUSHING:this.fragLoadError=0;break;case Mt.IDLE:this._doTickIdle();break;case Mt.WAITING_LEVEL:var t=this.levels[this.level];t&&t.details&&(this.state=Mt.IDLE);break;case Mt.FRAG_LOADING_WAITING_RETRY:var e=performance.now(),r=this.retryDate;(!r||e>=r||this.media&&this.media.seeking)&&(tt.b.log("mediaController: retryDate reached, switch back to IDLE state"),this.state=Mt.IDLE);break;case Mt.ERROR:case Mt.STOPPED:case Mt.FRAG_LOADING:case Mt.PARSING:case Mt.PARSED:case Mt.ENDED:}this._checkBuffer(),this._checkFragmentChanged()},e.prototype._doTickIdle=function(){var t=this.hls,e=t.config,r=this.media;if(void 0===this.levelLastLoaded||r||!this.startFragRequested&&e.startFragPrefetch){var i=void 0;i=this.loadedmetadata?r.currentTime:this.nextLoadPosition;var a=t.nextLoadLevel,n=this.levels[a];if(n){var o=n.bitrate,s=void 0;s=o?Math.max(8*e.maxBufferSize/o,e.maxBufferLength):e.maxBufferLength,s=Math.min(s,e.maxMaxBufferLength);var l=_t.bufferInfo(this.mediaBuffer?this.mediaBuffer:r,i,e.maxBufferHole),d=l.len;if(!(d>=s)){tt.b.trace("buffer length of "+d.toFixed(3)+" is below max of "+s.toFixed(3)+". checking for more payload ..."),this.level=t.nextLoadLevel=a;var u=n.details;if(void 0===u||u.live&&this.levelLastLoaded!==a)return void(this.state=Mt.WAITING_LEVEL);var h=this.fragPrevious;if(!u.live&&h&&h.sn===u.endSN&&!l.nextStart){if(Math.min(r.duration,h.start+h.duration)-Math.max(l.end,h.start)<=Math.max(.2,h.duration)){var f={};return this.altAudio&&(f.type="video"),this.hls.trigger(Z.a.BUFFER_EOS,f),void(this.state=Mt.ENDED)}}this._fetchPayloadOrEos(i,l,u)}}}},e.prototype._fetchPayloadOrEos=function(t,e,r){var i=this.fragPrevious,a=this.level,n=r.fragments,o=n.length;if(0!==o){var s=n[0].start,l=n[o-1].start+n[o-1].duration,d=e.end,u=void 0;if(r.initSegment&&!r.initSegment.data)u=r.initSegment;else if(r.live){var h=this.config.initialLiveManifestSize;if(o<h)return void tt.b.warn("Can not start playback of a level, reason: not enough fragments "+o+" < "+h);if(null===(u=this._ensureFragmentAtLivePoint(r,d,s,l,i,n,o)))return}else d<s&&(u=n[0]);u||(u=this._findFragment(s,i,o,n,d,l,r)),u&&this._loadFragmentOrKey(u,a,r,t,d)}},e.prototype._ensureFragmentAtLivePoint=function(t,e,r,i,a,n,o){var s=this.hls.config,l=this.media,d=void 0,u=void 0!==s.liveMaxLatencyDuration?s.liveMaxLatencyDuration:s.liveMaxLatencyDurationCount*t.targetduration;if(e<Math.max(r-s.maxFragLookUpTolerance,i-u)){var h=this.liveSyncPosition=this.computeLivePosition(r,t);tt.b.log("buffer end: "+e.toFixed(3)+" is located too far from the end of live sliding playlist, reset currentTime to : "+h.toFixed(3)),e=h,l&&l.readyState&&l.duration>h&&(l.currentTime=h),this.nextLoadPosition=h}if(t.PTSKnown&&e>i&&l&&l.readyState)return null;if(this.startFragRequested&&!t.PTSKnown){if(a){var f=a.sn+1;if(f>=t.startSN&&f<=t.endSN){var c=n[f-t.startSN];a.cc===c.cc&&(d=c,tt.b.log("live playlist, switching playlist, load frag with next SN: "+d.sn))}d||(d=Tt.search(n,function(t){return a.cc-t.cc}))&&tt.b.log("live playlist, switching playlist, load frag with same CC: "+d.sn)}d||(d=n[Math.min(o-1,Math.round(o/2))],tt.b.log("live playlist, switching playlist, unknown, load middle frag : "+d.sn))}return d},e.prototype._findFragment=function(t,e,r,i,a,n,o){var s=this.hls.config,l=void 0,d=void 0,u=s.maxFragLookUpTolerance,h=e?i[e.sn-i[0].sn+1]:void 0,f=function(t){var e=Math.min(u,t.duration);return t.start+t.duration-e<=a?1:t.start-e>a&&t.start?-1:0};if(a<n?(a>n-u&&(u=0),d=h&&!f(h)?h:Tt.search(i,f)):d=i[r-1],d){l=d;var c=l.sn-o.startSN,p=e&&l.level===e.level,v=i[c-1],g=i[c+1];if(e&&l.sn===e.sn)if(p&&!l.backtracked)if(l.sn<o.endSN){var m=e.deltaPTS;m&&m>s.maxBufferHole&&e.dropped&&c?(l=v,tt.b.warn("SN just loaded, with large PTS gap between audio and video, maybe frag is not starting with a keyframe ? load previous one to try to overcome this"),e.loadCounter--):(l=g,tt.b.log("SN just loaded, load next one: "+l.sn))}else l=null;else l.backtracked&&(g&&g.backtracked?(tt.b.warn("Already backtracked from fragment "+g.sn+", will not backtrack to fragment "+l.sn+". Loading fragment "+g.sn),l=g):(tt.b.warn("Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe"),l.dropped=0,v?(v.loadCounter&&v.loadCounter--,l=v,l.backtracked=!0):c&&(l=null)))}return l},e.prototype._loadFragmentOrKey=function(t,e,r,i,a){var n=this.hls,o=n.config;if(!t.decryptdata||null==t.decryptdata.uri||null!=t.decryptdata.key){if(tt.b.log("Loading "+t.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+e+", currentTime:"+i.toFixed(3)+",bufferEnd:"+a.toFixed(3)),void 0!==this.fragLoadIdx?this.fragLoadIdx++:this.fragLoadIdx=0,t.loadCounter){t.loadCounter++;var s=o.fragLoadingLoopThreshold;if(t.loadCounter>s&&Math.abs(this.fragLoadIdx-t.loadIdx)<s)return void n.trigger(Z.a.ERROR,{type:$.b.MEDIA_ERROR,details:$.a.FRAG_LOOP_LOADING_ERROR,fatal:!1,frag:t})}else t.loadCounter=1;return t.loadIdx=this.fragLoadIdx,t.autoLevel=n.autoLevelEnabled,t.bitrateTest=this.bitrateTest,this.fragCurrent=t,this.startFragRequested=!0,isNaN(t.sn)||t.bitrateTest||(this.nextLoadPosition=t.start+t.duration),n.trigger(Z.a.FRAG_LOADING,{frag:t}),this.demuxer||(this.demuxer=new kt(n,"main")),void(this.state=Mt.FRAG_LOADING)}tt.b.log("Loading key for "+t.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+e),this.state=Mt.KEY_LOADING,n.trigger(Z.a.KEY_LOADING,{frag:t})},e.prototype.getBufferedFrag=function(t){return Tt.search(this._bufferedFrags,function(e){return t<e.startPTS?-1:t>e.endPTS?1:0})},e.prototype.followingBufferedFrag=function(t){return t?this.getBufferedFrag(t.endPTS+.5):null},e.prototype._checkFragmentChanged=function(){var t,e,r=this.media;if(r&&r.readyState&&!1===r.seeking&&(e=r.currentTime,e>r.playbackRate*this.lastCurrentTime&&(this.lastCurrentTime=e),_t.isBuffered(r,e)?t=this.getBufferedFrag(e):_t.isBuffered(r,e+.1)&&(t=this.getBufferedFrag(e+.1)),t)){var i=t;if(i!==this.fragPlaying){this.hls.trigger(Z.a.FRAG_CHANGED,{frag:i});var a=i.level;this.fragPlaying&&this.fragPlaying.level===a||this.hls.trigger(Z.a.LEVEL_SWITCHED,{level:a}),this.fragPlaying=i}}},e.prototype.immediateLevelSwitch=function(){if(tt.b.log("immediateLevelSwitch"),!this.immediateSwitch){this.immediateSwitch=!0;var t=this.media,e=void 0;t?(e=t.paused,t.pause()):e=!0,this.previouslyPaused=e}var r=this.fragCurrent;r&&r.loader&&r.loader.abort(),this.fragCurrent=null,void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold),this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},e.prototype.immediateLevelSwitchEnd=function(){var t=this.media;t&&t.buffered.length&&(this.immediateSwitch=!1,_t.isBuffered(t,t.currentTime)&&(t.currentTime-=1e-4),this.previouslyPaused||t.play())},e.prototype.nextLevelSwitch=function(){var t=this.media;if(t&&t.readyState){var e=void 0,r=void 0,i=void 0;if(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold,r=this.getBufferedFrag(t.currentTime),r&&r.startPTS>1&&this.flushMainBuffer(0,r.startPTS-1),t.paused)e=0;else{var a=this.hls.nextLoadLevel,n=this.levels[a],o=this.fragLastKbps;e=o&&this.fragCurrent?this.fragCurrent.duration*n.bitrate/(1e3*o)+1:0}if((i=this.getBufferedFrag(t.currentTime+e))&&(i=this.followingBufferedFrag(i))){var s=this.fragCurrent;s&&s.loader&&s.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(i.maxStartPTS,Number.POSITIVE_INFINITY)}}},e.prototype.flushMainBuffer=function(t,e){this.state=Mt.BUFFER_FLUSHING;var r={startOffset:t,endOffset:e};this.altAudio&&(r.type="video"),this.hls.trigger(Z.a.BUFFER_FLUSHING,r)},e.prototype.onMediaAttached=function(t){var e=this.media=this.mediaBuffer=t.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),this.onvended=this.onMediaEnded.bind(this),e.addEventListener("seeking",this.onvseeking),e.addEventListener("seeked",this.onvseeked),e.addEventListener("ended",this.onvended);var r=this.config;this.levels&&r.autoStartLoad&&this.hls.startLoad(r.startPosition)},e.prototype.onMediaDetaching=function(){var t=this.media;t&&t.ended&&(tt.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var e=this.levels;e&&e.forEach(function(t){t.details&&t.details.fragments.forEach(function(t){t.loadCounter=void 0,t.backtracked=void 0})}),t&&(t.removeEventListener("seeking",this.onvseeking),t.removeEventListener("seeked",this.onvseeked),t.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.stopLoad()},e.prototype.onMediaSeeking=function(){var t=this.media,e=t?t.currentTime:void 0,r=this.config;isNaN(e)||tt.b.log("media seeking to "+e.toFixed(3));var i=this.mediaBuffer?this.mediaBuffer:t,a=_t.bufferInfo(i,e,this.config.maxBufferHole);if(this.state===Mt.FRAG_LOADING){var n=this.fragCurrent;if(0===a.len&&n){var o=r.maxFragLookUpTolerance,s=n.start-o,l=n.start+n.duration+o;e<s||e>l?(n.loader&&(tt.b.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),n.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.state=Mt.IDLE):tt.b.log("seeking outside of buffer but within currently loaded fragment range")}}else this.state===Mt.ENDED&&(0===a.len&&(this.fragPrevious=0),this.state=Mt.IDLE);t&&(this.lastCurrentTime=e),this.state!==Mt.FRAG_LOADING&&void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*r.fragLoadingLoopThreshold),this.loadedmetadata||(this.nextLoadPosition=this.startPosition=e),this.tick()},e.prototype.onMediaSeeked=function(){var t=this.media,e=t?t.currentTime:void 0;isNaN(e)||tt.b.log("media seeked to "+e.toFixed(3)),this.tick()},e.prototype.onMediaEnded=function(){tt.b.log("media ended"),this.startPosition=this.lastCurrentTime=0},e.prototype.onManifestLoading=function(){tt.b.log("trigger BUFFER_RESET"),this.hls.trigger(Z.a.BUFFER_RESET),this._bufferedFrags=[],this.stalled=!1,this.startPosition=this.lastCurrentTime=0},e.prototype.onManifestParsed=function(t){var e,r=!1,i=!1;t.levels.forEach(function(t){(e=t.audioCodec)&&(-1!==e.indexOf("mp4a.40.2")&&(r=!0),-1!==e.indexOf("mp4a.40.5")&&(i=!0))}),this.audioCodecSwitch=r&&i,this.audioCodecSwitch&&tt.b.log("both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.levels=t.levels,this.startLevelLoaded=!1,this.startFragRequested=!1;var a=this.config;(a.autoStartLoad||this.forceStartLoad)&&this.hls.startLoad(a.startPosition)},e.prototype.onLevelLoaded=function(t){var e=t.details,r=t.level,i=this.levels[this.levelLastLoaded],a=this.levels[r],n=e.totalduration,o=0;if(tt.b.log("level "+r+" loaded ["+e.startSN+","+e.endSN+"],duration:"+n),e.live){var s=a.details;s&&e.fragments.length>0?(b(s,e),o=e.fragments[0].start,this.liveSyncPosition=this.computeLivePosition(o,s),e.PTSKnown&&!isNaN(o)?tt.b.log("live playlist sliding:"+o.toFixed(3)):(tt.b.log("live playlist - outdated PTS, unknown sliding"),S(this.fragPrevious,i,e))):(tt.b.log("live playlist - first load, unknown sliding"),e.PTSKnown=!1,S(this.fragPrevious,i,e))}else e.PTSKnown=!1;if(a.details=e,this.levelLastLoaded=r,this.hls.trigger(Z.a.LEVEL_UPDATED,{details:e,level:r}),!1===this.startFragRequested){if(-1===this.startPosition||-1===this.lastCurrentTime){var l=e.startTimeOffset;isNaN(l)?e.live?(this.startPosition=this.computeLivePosition(o,e),tt.b.log("configure startPosition to "+this.startPosition)):this.startPosition=0:(l<0&&(tt.b.log("negative start time offset "+l+", count from end of last fragment"),l=o+n+l),tt.b.log("start time offset found in playlist, adjust startPosition to "+l),this.startPosition=l),this.lastCurrentTime=this.startPosition}this.nextLoadPosition=this.startPosition}this.state===Mt.WAITING_LEVEL&&(this.state=Mt.IDLE),this.tick()},e.prototype.onKeyLoaded=function(){this.state===Mt.KEY_LOADING&&(this.state=Mt.IDLE,this.tick())},e.prototype.onFragLoaded=function(t){var e=this.fragCurrent,r=t.frag;if(this.state===Mt.FRAG_LOADING&&e&&"main"===r.type&&r.level===e.level&&r.sn===e.sn){var i=t.stats,a=this.levels[e.level],n=a.details;if(tt.b.log("Loaded  "+e.sn+" of ["+n.startSN+" ,"+n.endSN+"],level "+e.level),this.bitrateTest=!1,this.stats=i,!0===r.bitrateTest&&this.hls.nextLoadLevel)this.state=Mt.IDLE,this.startFragRequested=!1,i.tparsed=i.tbuffered=performance.now(),this.hls.trigger(Z.a.FRAG_BUFFERED,{stats:i,frag:e,id:"main"}),this.tick();else if("initSegment"===r.sn)this.state=Mt.IDLE,i.tparsed=i.tbuffered=performance.now(),n.initSegment.data=t.payload,this.hls.trigger(Z.a.FRAG_BUFFERED,{stats:i,frag:e,id:"main"}),this.tick();else{this.state=Mt.PARSING;var o=n.totalduration,s=e.level,l=e.sn,d=this.config.defaultAudioCodec||a.audioCodec;this.audioCodecSwap&&(tt.b.log("swapping playlist audio codec"),void 0===d&&(d=this.lastAudioCodec),d&&(d=-1!==d.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),this.pendingBuffering=!0,this.appended=!1,tt.b.log("Parsing "+l+" of ["+n.startSN+" ,"+n.endSN+"],level "+s+", cc "+e.cc);var u=this.demuxer;u||(u=this.demuxer=new kt(this.hls,"main"));var h=this.media,f=h&&h.seeking,c=!f&&(n.PTSKnown||!n.live),p=n.initSegment?n.initSegment.data:[];u.push(t.payload,p,d,a.videoCodec,e,o,c,void 0)}}this.fragLoadError=0},e.prototype.onFragParsingInitSegment=function(t){var e=this.fragCurrent,r=t.frag;if(e&&"main"===t.id&&r.sn===e.sn&&r.level===e.level&&this.state===Mt.PARSING){var i,a,n=t.tracks;if(n.audio&&this.altAudio&&delete n.audio,a=n.audio){var o=this.levels[this.level].audioCodec,s=navigator.userAgent.toLowerCase();o&&this.audioCodecSwap&&(tt.b.log("swapping playlist audio codec"),o=-1!==o.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch&&1!==a.metadata.channelCount&&-1===s.indexOf("firefox")&&(o="mp4a.40.5"),-1!==s.indexOf("android")&&"audio/mpeg"!==a.container&&(o="mp4a.40.2",tt.b.log("Android: force audio codec to "+o)),a.levelCodec=o,a.id=t.id}a=n.video,a&&(a.levelCodec=this.levels[this.level].videoCodec,a.id=t.id),this.hls.trigger(Z.a.BUFFER_CODECS,n);for(i in n){a=n[i],tt.b.log("main track:"+i+",container:"+a.container+",codecs[level/parsed]=["+a.levelCodec+"/"+a.codec+"]");var l=a.initSegment;l&&(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(Z.a.BUFFER_APPENDING,{type:i,data:l,parent:"main",content:"initSegment"}))}this.tick()}},e.prototype.onFragParsingData=function(t){var e=this,r=this.fragCurrent,i=t.frag;if(r&&"main"===t.id&&i.sn===r.sn&&i.level===r.level&&("audio"!==t.type||!this.altAudio)&&this.state===Mt.PARSING){var a=this.levels[this.level],n=r;if(isNaN(t.endPTS)&&(t.endPTS=t.startPTS+r.duration,t.endDTS=t.startDTS+r.duration),tt.b.log("Parsed "+t.type+",PTS:["+t.startPTS.toFixed(3)+","+t.endPTS.toFixed(3)+"],DTS:["+t.startDTS.toFixed(3)+"/"+t.endDTS.toFixed(3)+"],nb:"+t.nb+",dropped:"+(t.dropped||0)),"video"===t.type)if(n.dropped=t.dropped,n.dropped){if(!n.backtracked)return tt.b.warn("missing video frame(s), backtracking fragment"),n.backtracked=!0,this.nextLoadPosition=t.startPTS,this.state=Mt.IDLE,this.fragPrevious=n,void this.tick();tt.b.warn("Already backtracked on this fragment, appending with the gap")}else n.backtracked=!1;var o=y(a.details,n,t.startPTS,t.endPTS,t.startDTS,t.endDTS),s=this.hls;s.trigger(Z.a.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(r){r&&r.length&&e.state===Mt.PARSING&&(e.appended=!0,e.pendingBuffering=!0,s.trigger(Z.a.BUFFER_APPENDING,{type:t.type,data:r,parent:"main",content:"data"}))}),this.tick()}},e.prototype.onFragParsed=function(t){var e=this.fragCurrent,r=t.frag;e&&"main"===t.id&&r.sn===e.sn&&r.level===e.level&&this.state===Mt.PARSING&&(this.stats.tparsed=performance.now(),this.state=Mt.PARSED,this._checkAppendedParsed())},e.prototype.onAudioTrackSwitching=function(t){var e=!!t.url,r=t.id;if(!e){if(this.mediaBuffer!==this.media){tt.b.log("switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var i=this.fragCurrent;i.loader&&(tt.b.log("switching to main audio track, cancel main fragment load"),i.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=Mt.IDLE}var a=this.hls;a.trigger(Z.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),a.trigger(Z.a.AUDIO_TRACK_SWITCHED,{id:r}),this.altAudio=!1}},e.prototype.onAudioTrackSwitched=function(t){var e=t.id,r=!!this.hls.audioTracks[e].url;if(r){var i=this.videoBuffer;i&&this.mediaBuffer!==i&&(tt.b.log("switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=i)}this.altAudio=r,this.tick()},e.prototype.onBufferCreated=function(t){var e=t.tracks,r=void 0,i=void 0,a=!1;for(var n in e){var o=e[n];"main"===o.id?(i=n,r=o,"video"===n&&(this.videoBuffer=e[n].buffer)):a=!0}a&&r?(tt.b.log("alternate track found, use "+i+".buffered to schedule main fragment loading"),this.mediaBuffer=r.buffer):this.mediaBuffer=this.media},e.prototype.onBufferAppended=function(t){if("main"===t.parent){var e=this.state;e!==Mt.PARSING&&e!==Mt.PARSED||(this.pendingBuffering=t.pending>0,this._checkAppendedParsed())}},e.prototype._checkAppendedParsed=function(){if(!(this.state!==Mt.PARSED||this.appended&&this.pendingBuffering)){var t=this.fragCurrent;if(t){var e=this.mediaBuffer?this.mediaBuffer:this.media;tt.b.log("main buffered : "+Ct.toString(e.buffered));var r=this._bufferedFrags.filter(function(t){return _t.isBuffered(e,(t.startPTS+t.endPTS)/2)});r.push(t),this._bufferedFrags=r.sort(function(t,e){return t.startPTS-e.startPTS}),this.fragPrevious=t;var i=this.stats;i.tbuffered=performance.now(),this.fragLastKbps=Math.round(8*i.total/(i.tbuffered-i.tfirst)),this.hls.trigger(Z.a.FRAG_BUFFERED,{stats:i,frag:t,id:"main"}),this.state=Mt.IDLE}this.tick()}},e.prototype.onError=function(t){var e=t.frag||this.fragCurrent;if(!e||"main"===e.type){var r=!!this.media&&_t.isBuffered(this.media,this.media.currentTime)&&_t.isBuffered(this.media,this.media.currentTime+.5);switch(t.details){case $.a.FRAG_LOAD_ERROR:case $.a.FRAG_LOAD_TIMEOUT:case $.a.KEY_LOAD_ERROR:case $.a.KEY_LOAD_TIMEOUT:if(!t.fatal)if(this.fragLoadError+1<=this.config.fragLoadingMaxRetry){var i=Math.min(Math.pow(2,this.fragLoadError)*this.config.fragLoadingRetryDelay,this.config.fragLoadingMaxRetryTimeout);e.loadCounter=0,tt.b.warn("mediaController: frag loading failed, retry in "+i+" ms"),this.retryDate=performance.now()+i,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.fragLoadError++,this.state=Mt.FRAG_LOADING_WAITING_RETRY}else tt.b.error("mediaController: "+t.details+" reaches max retry, redispatch as fatal ..."),t.fatal=!0,this.state=Mt.ERROR;break;case $.a.FRAG_LOOP_LOADING_ERROR:t.fatal||(r?(this._reduceMaxBufferLength(e.duration),this.state=Mt.IDLE):e.autoLevel&&0!==e.level||(t.fatal=!0,this.state=Mt.ERROR));break;case $.a.LEVEL_LOAD_ERROR:case $.a.LEVEL_LOAD_TIMEOUT:this.state!==Mt.ERROR&&(t.fatal?(this.state=Mt.ERROR,tt.b.warn("streamController: "+t.details+",switch to "+this.state+" state ...")):t.levelRetry||this.state!==Mt.WAITING_LEVEL||(this.state=Mt.IDLE));break;case $.a.BUFFER_FULL_ERROR:"main"!==t.parent||this.state!==Mt.PARSING&&this.state!==Mt.PARSED||(r?(this._reduceMaxBufferLength(this.config.maxBufferLength),this.state=Mt.IDLE):(tt.b.warn("buffer full error also media.currentTime is not buffered, flush everything"),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)))}}},e.prototype._reduceMaxBufferLength=function(t){var e=this.config;e.maxMaxBufferLength>=t&&(e.maxMaxBufferLength/=2,tt.b.warn("main:reduce max buffer length to "+e.maxMaxBufferLength+"s"),this.fragLoadIdx+=2*e.fragLoadingLoopThreshold)},e.prototype._checkBuffer=function(){var t=this.media,e=this.config;if(t&&t.readyState){var r=t.currentTime,i=this.mediaBuffer?this.mediaBuffer:t,a=i.buffered;if(!this.loadedmetadata&&a.length){this.loadedmetadata=!0;var n=t.seeking?r:this.startPosition,o=_t.isBuffered(i,n),s=a.start(0);(r!==n||!o&&Math.abs(n-s)<e.maxSeekHole)&&(tt.b.log("target start position:"+n),o||(n=s,tt.b.log("target start position not buffered, seek to buffered.start(0) "+n)),tt.b.log("adjust currentTime from "+r+" to "+n),t.currentTime=n)}else if(this.immediateSwitch)this.immediateLevelSwitchEnd();else{var l=_t.bufferInfo(t,r,0),d=!(t.paused||t.ended||0===t.buffered.length),u=r!==this.lastCurrentTime;if(u)this.stallReported&&(tt.b.warn("playback not stuck anymore @"+r+", after "+Math.round(performance.now()-this.stalled)+"ms"),this.stallReported=!1),this.stalled=void 0,this.nudgeRetry=0;else if(d){var h=performance.now(),f=this.hls;if(this.stalled){var c=h-this.stalled,p=l.len,v=this.nudgeRetry||0;if(p<=.5&&c>1e3*e.lowBufferWatchdogPeriod){this.stallReported||(this.stallReported=!0,tt.b.warn("playback stalling in low buffer @"+r),f.trigger(Z.a.ERROR,{type:$.b.MEDIA_ERROR,details:$.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:p}));var g=l.nextStart,m=g-r;if(g&&m<e.maxSeekHole&&m>0){this.nudgeRetry=++v;var y=v*e.nudgeOffset;tt.b.log("adjust currentTime from "+t.currentTime+" to next buffered @ "+g+" + nudge "+y),t.currentTime=g+y,this.stalled=void 0,f.trigger(Z.a.ERROR,{type:$.b.MEDIA_ERROR,details:$.a.BUFFER_SEEK_OVER_HOLE,fatal:!1,hole:g+y-r})}}else if(p>.5&&c>1e3*e.highBufferWatchdogPeriod)if(this.stallReported||(this.stallReported=!0,tt.b.warn("playback stalling in high buffer @"+r),f.trigger(Z.a.ERROR,{type:$.b.MEDIA_ERROR,details:$.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:p})),this.stalled=void 0,this.nudgeRetry=++v,v<e.nudgeMaxRetry){var b=t.currentTime,E=b+v*e.nudgeOffset;tt.b.log("adjust currentTime from "+b+" to "+E),t.currentTime=E,f.trigger(Z.a.ERROR,{type:$.b.MEDIA_ERROR,details:$.a.BUFFER_NUDGE_ON_STALL,fatal:!1})}else tt.b.error("still stuck in high buffer @"+r+" after "+e.nudgeMaxRetry+", raise fatal error"),f.trigger(Z.a.ERROR,{type:$.b.MEDIA_ERROR,details:$.a.BUFFER_STALLED_ERROR,fatal:!0})}else this.stalled=h,this.stallReported=!1}}}},e.prototype.onFragLoadEmergencyAborted=function(){this.state=Mt.IDLE,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tick()},e.prototype.onBufferFlushed=function(){var t=this.mediaBuffer?this.mediaBuffer:this.media;this._bufferedFrags=this._bufferedFrags.filter(function(e){return _t.isBuffered(t,(e.startPTS+e.endPTS)/2)}),this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold,this.state=Mt.IDLE,this.fragPrevious=null},e.prototype.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},e.prototype.computeLivePosition=function(t,e){var r=void 0!==this.config.liveSyncDuration?this.config.liveSyncDuration:this.config.liveSyncDurationCount*e.targetduration;return t+Math.max(0,e.totalduration-r)},Ft(e,[{key:"state",set:function(t){if(this.state!==t){var e=this.state;this._state=t,tt.b.log("main stream:"+e+"->"+t),this.hls.trigger(Z.a.STREAM_STATE_TRANSITION,{previousState:e,nextState:t})}},get:function(){return this._state}},{key:"currentLevel",get:function(){var t=this.media;if(t){var e=this.getBufferedFrag(t.currentTime);if(e)return e.level}return-1}},{key:"nextBufferedFrag",get:function(){var t=this.media;return t?this.followingBufferedFrag(this.getBufferedFrag(t.currentTime)):null}},{key:"nextLevel",get:function(){var t=this.nextBufferedFrag;return t?t.level:-1}},{key:"liveSyncPosition",get:function(){return this._liveSyncPosition},set:function(t){this._liveSyncPosition=t}}]),e}(it),Ut=Nt,Bt=function(){function t(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}return function(e,r,i){return r&&t(e.prototype,r),i&&t(e,i),e}}(),Gt=function(t){function e(r){D(this,e);var i=O(this,t.call(this,r,Z.a.MANIFEST_LOADED,Z.a.LEVEL_LOADED,Z.a.FRAG_LOADED,Z.a.ERROR));return i.ontick=i.tick.bind(i),i._manualLevel=-1,i}return x(e,t),e.prototype.destroy=function(){this.cleanTimer(),this._manualLevel=-1},e.prototype.cleanTimer=function(){this.timer&&(clearTimeout(this.timer),this.timer=null)},e.prototype.startLoad=function(){this.canload=!0;var t=this._levels;t&&t.forEach(function(t){t.loadError=0;var e=t.details;e&&e.live&&(t.details=void 0)}),this.timer&&this.tick()},e.prototype.stopLoad=function(){this.canload=!1},e.prototype.onManifestLoaded=function(t){var e,r=[],i=[],a={},n=!1,s=!1,l=this.hls,d=/chrome|firefox/.test(navigator.userAgent.toLowerCase());if(t.levels.forEach(function(t){t.videoCodec&&(n=!0),d&&t.audioCodec&&-1!==t.audioCodec.indexOf("mp4a.40.34")&&(t.audioCodec=void 0),(t.audioCodec||t.attrs&&t.attrs.AUDIO)&&(s=!0);var e=a[t.bitrate];void 0===e?(a[t.bitrate]=r.length,t.url=[t.url],t.urlId=0,r.push(t)):r[e].url.push(t.url)}),n&&s?r.forEach(function(t){t.videoCodec&&i.push(t)}):i=r,i=i.filter(function(t){var e=t.audioCodec,r=t.videoCodec;return(!e||o(e))&&(!r||o(r))}),i.length){e=i[0].bitrate,i.sort(function(t,e){return t.bitrate-e.bitrate}),this._levels=i;for(var u=0;u<i.length;u++)if(i[u].bitrate===e){this._firstLevel=u,tt.b.log("manifest loaded,"+i.length+" level(s) found, first bitrate:"+e);break}l.trigger(Z.a.MANIFEST_PARSED,{levels:i,firstLevel:this._firstLevel,stats:t.stats,audio:s,video:n,altAudio:t.audioTracks.length>0})}else l.trigger(Z.a.ERROR,{type:$.b.MEDIA_ERROR,details:$.a.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:l.url,reason:"no level with compatible codecs found in manifest"})},e.prototype.setLevelInternal=function(t){var e=this._levels,r=this.hls;if(t>=0&&t<e.length){if(this.cleanTimer(),this._level!==t){tt.b.log("switching to level "+t),this._level=t;var i=e[t];i.level=t,r.trigger(Z.a.LEVEL_SWITCH,i),r.trigger(Z.a.LEVEL_SWITCHING,i)}var a=e[t],n=a.details;if(!n||!0===n.live){var o=a.urlId;r.trigger(Z.a.LEVEL_LOADING,{url:a.url[o],level:t,id:o})}}else r.trigger(Z.a.ERROR,{type:$.b.OTHER_ERROR,details:$.a.LEVEL_SWITCH_ERROR,level:t,fatal:!1,reason:"invalid level idx"})},e.prototype.onError=function(t){if(t.fatal)return void(t.type===$.b.NETWORK_ERROR&&this.cleanTimer());var e=t.details,r=this.hls,i=void 0,a=void 0,n=!1;switch(e){case $.a.FRAG_LOAD_ERROR:case $.a.FRAG_LOAD_TIMEOUT:case $.a.FRAG_LOOP_LOADING_ERROR:case $.a.KEY_LOAD_ERROR:case $.a.KEY_LOAD_TIMEOUT:i=t.frag.level;break;case $.a.LEVEL_LOAD_ERROR:case $.a.LEVEL_LOAD_TIMEOUT:i=t.context.level,n=!0;break;case $.a.REMUX_ALLOC_ERROR:i=t.level}if(void 0!==i){a=this._levels[i],a.loadError?a.loadError++:a.loadError=1;var o=a.url.length;if(o>1&&a.loadError<o)a.urlId=(a.urlId+1)%o,a.details=void 0,tt.b.warn("level controller,"+e+" for level "+i+": switching to redundant stream id "+a.urlId);else{if(-1===this._manualLevel&&i)tt.b.warn("level controller,"+e+": switch-down for next fragment"),r.nextAutoLevel=Math.max(0,i-1);else if(a&&a.details&&a.details.live)tt.b.warn("level controller,"+e+" on live stream, discard"),n&&(this._level=void 0);else if(e===$.a.LEVEL_LOAD_ERROR||e===$.a.LEVEL_LOAD_TIMEOUT){var s=r.media,l=s&&_t.isBuffered(s,s.currentTime)&&_t.isBuffered(s,s.currentTime+.5);if(l){var d=r.config.levelLoadingRetryDelay;tt.b.warn("level controller,"+e+", but media buffered, retry in "+d+"ms"),this.timer=setTimeout(this.ontick,d),t.levelRetry=!0}else tt.b.error("cannot recover "+e+" error"),this._level=void 0,this.cleanTimer(),t.fatal=!0}}}},e.prototype.onFragLoaded=function(t){var e=t.frag;if(e&&"main"===e.type){var r=this._levels[e.level];r&&(r.loadError=0)}},e.prototype.onLevelLoaded=function(t){var e=t.level;if(e===this._level){var r=this._levels[e];r.loadError=0;var i=t.details;if(i.live){var a=1e3*(i.averagetargetduration?i.averagetargetduration:i.targetduration),n=r.details;n&&i.endSN===n.endSN&&(a/=2,tt.b.log("same live playlist, reload twice faster")),a-=performance.now()-t.stats.trequest,a=Math.max(1e3,Math.round(a)),tt.b.log("live playlist, reload in "+a+" ms"),this.timer=setTimeout(this.ontick,a)}else this.timer=null}},e.prototype.tick=function(){var t=this._level;if(void 0!==t&&this.canload){var e=this._levels[t];if(e&&e.url){var r=e.urlId;this.hls.trigger(Z.a.LEVEL_LOADING,{url:e.url[r],level:t,id:r})}}},Bt(e,[{key:"levels",get:function(){return this._levels}},{key:"level",get:function(){return this._level},set:function(t){var e=this._levels;e&&e.length>t&&(this._level===t&&void 0!==e[t].details||this.setLevelInternal(t))}},{key:"manualLevel",get:function(){return this._manualLevel},set:function(t){this._manualLevel=t,void 0===this._startLevel&&(this._startLevel=t),-1!==t&&(this.level=t)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(t){this._firstLevel=t}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var t=this.hls.config.startLevel;return void 0!==t?t:this._firstLevel}return this._startLevel},set:function(t){this._startLevel=t}},{key:"nextLoadLevel",get:function(){return-1!==this._manualLevel?this._manualLevel:this.hls.nextAutoLevel},set:function(t){this.level=t,-1===this._manualLevel&&(this.hls.nextAutoLevel=t)}}]),e}(it),Ht=Gt,jt=r(4),Vt=function(t){function e(r){I(this,e);var i=k(this,t.call(this,r,Z.a.MEDIA_ATTACHED,Z.a.MEDIA_DETACHING,Z.a.FRAG_PARSING_METADATA));return i.id3Track=void 0,i.media=void 0,i}return P(e,t),e.prototype.destroy=function(){it.prototype.destroy.call(this)},e.prototype.onMediaAttached=function(t){this.media=t.media,this.media},e.prototype.onMediaDetaching=function(){this.media=void 0},e.prototype.onFragParsingMetadata=function(t){var e=t.frag,r=t.samples;this.id3Track||(this.id3Track=this.media.addTextTrack("metadata","id3"),this.id3Track.mode="hidden");for(var i=window.WebKitDataCue||window.VTTCue||window.TextTrackCue,a=0;a<r.length;a++){var n=jt.a.getID3Frames(r[a].data);if(n){var o=r[a].pts,s=a<r.length-1?r[a+1].pts:e.endPTS;o===s&&(s+=1e-4);for(var l=0;l<n.length;l++){var d=n[l];if(!jt.a.isTimeStampFrame(d)){var u=new i(o,s,"");u.value=d,this.id3Track.addCue(u)}}}}},e}(it),Wt=Vt,Kt=function(){function t(e){C(this,t),this.alpha_=e?Math.exp(Math.log(.5)/e):0,this.estimate_=0,this.totalWeight_=0}return t.prototype.sample=function(t,e){var r=Math.pow(this.alpha_,t);this.estimate_=e*(1-r)+r*this.estimate_,this.totalWeight_+=t},t.prototype.getTotalWeight=function(){return this.totalWeight_},t.prototype.getEstimate=function(){if(this.alpha_){var t=1-Math.pow(this.alpha_,this.totalWeight_);return this.estimate_/t}return this.estimate_},t}(),Yt=Kt,zt=function(){function t(e,r,i,a){F(this,t),this.hls=e,this.defaultEstimate_=a,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new Yt(r),this.fast_=new Yt(i)}return t.prototype.sample=function(t,e){t=Math.max(t,this.minDelayMs_);var r=8e3*e/t,i=t/1e3;this.fast_.sample(i,r),this.slow_.sample(i,r)},t.prototype.canEstimate=function(){var t=this.fast_;return t&&t.getTotalWeight()>=this.minWeight_},t.prototype.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},t.prototype.destroy=function(){},t}(),Xt=zt,qt=function(){function t(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}return function(e,r,i){return r&&t(e.prototype,r),i&&t(e,i),e}}(),Qt=function(t){function e(r){M(this,e);var i=N(this,t.call(this,r,Z.a.FRAG_LOADING,Z.a.FRAG_LOADED,Z.a.FRAG_BUFFERED,Z.a.ERROR));return i.lastLoadedFragLevel=0,i._nextAutoLevel=-1,i.hls=r,i.timer=null,i._bwEstimator=null,i.onCheck=i._abandonRulesCheck.bind(i),i}return U(e,t),e.prototype.destroy=function(){this.clearTimer(),it.prototype.destroy.call(this)},e.prototype.onFragLoading=function(t){var e=t.frag;if("main"===e.type){if(this.timer||(this.timer=setInterval(this.onCheck,100)),!this._bwEstimator){var r=this.hls,i=t.frag.level,a=r.levels[i].details.live,n=r.config,o=void 0,s=void 0;a?(o=n.abrEwmaFastLive,s=n.abrEwmaSlowLive):(o=n.abrEwmaFastVoD,s=n.abrEwmaSlowVoD),this._bwEstimator=new Xt(r,s,o,n.abrEwmaDefaultEstimate)}this.fragCurrent=e}},e.prototype._abandonRulesCheck=function(){var t=this.hls,e=t.media,r=this.fragCurrent,i=r.loader,a=t.minAutoLevel;if(!i||i.stats&&i.stats.aborted)return tt.b.warn("frag loader destroy or aborted, disarm abandonRules"),void this.clearTimer();var n=i.stats;if(e&&n&&(!e.paused&&0!==e.playbackRate||!e.readyState)&&r.autoLevel&&r.level){var o=performance.now()-n.trequest,s=Math.abs(e.playbackRate);if(o>500*r.duration/s){var l=t.levels,d=Math.max(1,n.bw?n.bw/8:1e3*n.loaded/o),u=l[r.level],h=u.realBitrate?Math.max(u.realBitrate,u.bitrate):u.bitrate,f=n.total?n.total:Math.max(n.loaded,Math.round(r.duration*h/8)),c=e.currentTime,p=(f-n.loaded)/d,v=(_t.bufferInfo(e,c,t.config.maxBufferHole).end-c)/s;if(v<2*r.duration/s&&p>v){var g=void 0,m=void 0;for(m=r.level-1;m>a;m--){var y=l[m].realBitrate?Math.max(l[m].realBitrate,l[m].bitrate):l[m].bitrate;if((g=r.duration*y/(6.4*d))<v)break}g<p&&(tt.b.warn("loading too slow, abort fragment loading and switch to level "+m+":fragLoadedDelay["+m+"]<fragLoadedDelay["+(r.level-1)+"];bufferStarvationDelay:"+g.toFixed(1)+"<"+p.toFixed(1)+":"+v.toFixed(1)),t.nextLoadLevel=m,this._bwEstimator.sample(o,n.loaded),i.abort(),this.clearTimer(),t.trigger(Z.a.FRAG_LOAD_EMERGENCY_ABORTED,{frag:r,stats:n}))}}}},e.prototype.onFragLoaded=function(t){var e=t.frag;if("main"===e.type&&!isNaN(e.sn)){if(this.clearTimer(),this.lastLoadedFragLevel=e.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var r=this.hls.levels[e.level],i=(r.loaded?r.loaded.bytes:0)+t.stats.loaded,a=(r.loaded?r.loaded.duration:0)+t.frag.duration;r.loaded={bytes:i,duration:a},r.realBitrate=Math.round(8*i/a)}if(t.frag.bitrateTest){var n=t.stats;n.tparsed=n.tbuffered=n.tload,this.onFragBuffered(t)}}},e.prototype.onFragBuffered=function(t){var e=t.stats,r=t.frag;if(!(!0===e.aborted||1!==r.loadCounter||"main"!==r.type||isNaN(r.sn)||r.bitrateTest&&e.tload!==e.tbuffered)){var i=e.tparsed-e.trequest;tt.b.log("latency/loading/parsing/append/kbps:"+Math.round(e.tfirst-e.trequest)+"/"+Math.round(e.tload-e.tfirst)+"/"+Math.round(e.tparsed-e.tload)+"/"+Math.round(e.tbuffered-e.tparsed)+"/"+Math.round(8*e.loaded/(e.tbuffered-e.trequest))),this._bwEstimator.sample(i,e.loaded),e.bwEstimate=this._bwEstimator.getEstimate(),r.bitrateTest?this.bitrateTestDelay=i/1e3:this.bitrateTestDelay=0}},e.prototype.onError=function(t){switch(t.details){case $.a.FRAG_LOAD_ERROR:case $.a.FRAG_LOAD_TIMEOUT:this.clearTimer()}},e.prototype.clearTimer=function(){clearInterval(this.timer),this.timer=null},e.prototype._findBestLevel=function(t,e,r,i,a,n,o,s,l){for(var d=a;d>=i;d--){var u=l[d],h=u.details,f=h?h.totalduration/h.fragments.length:e,c=!!h&&h.live,p=void 0;p=d<=t?o*r:s*r;var v=l[d].realBitrate?Math.max(l[d].realBitrate,l[d].bitrate):l[d].bitrate,g=v*f/p;if(tt.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+d+"/"+Math.round(p)+"/"+v+"/"+f+"/"+n+"/"+g),p>v&&(!g||c&&!this.bitrateTestDelay||g<n))return d}return-1},qt(e,[{key:"nextAutoLevel",get:function(){var t=this._nextAutoLevel,e=this._bwEstimator;if(!(-1===t||e&&e.canEstimate()))return t;var r=this._nextABRAutoLevel;return-1!==t&&(r=Math.min(t,r)),r},set:function(t){this._nextAutoLevel=t}},{key:"_nextABRAutoLevel",get:function(){var t=this.hls,e=t.maxAutoLevel,r=t.levels,i=t.config,a=t.minAutoLevel,n=t.media,o=this.lastLoadedFragLevel,s=this.fragCurrent?this.fragCurrent.duration:0,l=n?n.currentTime:0,d=n&&0!==n.playbackRate?Math.abs(n.playbackRate):1,u=this._bwEstimator?this._bwEstimator.getEstimate():i.abrEwmaDefaultEstimate,h=(_t.bufferInfo(n,l,i.maxBufferHole).end-l)/d,f=this._findBestLevel(o,s,u,a,e,h,i.abrBandWidthFactor,i.abrBandWidthUpFactor,r);if(f>=0)return f;tt.b.trace("rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering");var c=s?Math.min(s,i.maxStarvationDelay):i.maxStarvationDelay,p=i.abrBandWidthFactor,v=i.abrBandWidthUpFactor;if(0===h){var g=this.bitrateTestDelay;if(g){c=(s?Math.min(s,i.maxLoadingDelay):i.maxLoadingDelay)-g,tt.b.trace("bitrate test took "+Math.round(1e3*g)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*c)+" ms"),p=v=1}}return f=this._findBestLevel(o,s,u,a,e,h+c,p,v,r),Math.max(f,0)}}]),e}(it),Jt=Qt,Zt=function(t){function e(r){B(this,e);var i=G(this,t.call(this,r,Z.a.MEDIA_ATTACHING,Z.a.MEDIA_DETACHING,Z.a.MANIFEST_PARSED,Z.a.BUFFER_RESET,Z.a.BUFFER_APPENDING,Z.a.BUFFER_CODECS,Z.a.BUFFER_EOS,Z.a.BUFFER_FLUSHING,Z.a.LEVEL_PTS_UPDATED,Z.a.LEVEL_UPDATED));return i._msDuration=null,i._levelDuration=null,i.onsbue=i.onSBUpdateEnd.bind(i),i.onsbe=i.onSBUpdateError.bind(i),i.pendingTracks={},i.tracks={},i}return H(e,t),e.prototype.destroy=function(){it.prototype.destroy.call(this)},e.prototype.onLevelPtsUpdated=function(t){var e=t.type,r=this.tracks.audio;if("audio"===e&&r&&"audio/mpeg"===r.container){var i=this.sourceBuffer.audio;if(Math.abs(i.timestampOffset-t.start)>.1){var a=i.updating;try{i.abort()}catch(t){a=!0,tt.b.warn("can not abort audio buffer: "+t)}a?this.audioTimestampOffset=t.start:(tt.b.warn("change mpeg audio timestamp offset from "+i.timestampOffset+" to "+t.start),i.timestampOffset=t.start)}}},e.prototype.onManifestParsed=function(t){var e=t.audio,r=t.video||t.levels.length&&t.audio,i=0;t.altAudio&&(e||r)&&(i=(e?1:0)+(r?1:0),tt.b.log(i+" sourceBuffer(s) expected")),this.sourceBufferNb=i},e.prototype.onMediaAttaching=function(t){var e=this.media=t.media;if(e){var r=this.mediaSource=new MediaSource;this.onmso=this.onMediaSourceOpen.bind(this),this.onmse=this.onMediaSourceEnded.bind(this),this.onmsc=this.onMediaSourceClose.bind(this),r.addEventListener("sourceopen",this.onmso),r.addEventListener("sourceended",this.onmse),r.addEventListener("sourceclose",this.onmsc),e.src=URL.createObjectURL(r)}},e.prototype.onMediaDetaching=function(){tt.b.log("media source detaching");var t=this.mediaSource;if(t){if("open"===t.readyState)try{t.endOfStream()}catch(t){tt.b.warn("onMediaDetaching:"+t.message+" while calling endOfStream")}t.removeEventListener("sourceopen",this.onmso),t.removeEventListener("sourceended",this.onmse),t.removeEventListener("sourceclose",this.onmsc),this.media&&(URL.revokeObjectURL(this.media.src),this.media.removeAttribute("src"),this.media.load()),this.mediaSource=null,this.media=null,this.pendingTracks={},this.tracks={},this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0}this.onmso=this.onmse=this.onmsc=null,this.hls.trigger(Z.a.MEDIA_DETACHED)},e.prototype.onMediaSourceOpen=function(){tt.b.log("media source opened"),this.hls.trigger(Z.a.MEDIA_ATTACHED,{media:this.media});var t=this.mediaSource;t&&t.removeEventListener("sourceopen",this.onmso),this.checkPendingTracks()},e.prototype.checkPendingTracks=function(){var t=this.pendingTracks,e=Object.keys(t).length;e&&(this.sourceBufferNb<=e||0===this.sourceBufferNb)&&(this.createSourceBuffers(t),this.pendingTracks={},this.doAppending())},e.prototype.onMediaSourceClose=function(){tt.b.log("media source closed")},e.prototype.onMediaSourceEnded=function(){tt.b.log("media source ended")},e.prototype.onSBUpdateEnd=function(){if(this.audioTimestampOffset){var t=this.sourceBuffer.audio;tt.b.warn("change mpeg audio timestamp offset from "+t.timestampOffset+" to "+this.audioTimestampOffset),t.timestampOffset=this.audioTimestampOffset,delete this.audioTimestampOffset}this._needsFlush&&this.doFlush(),this._needsEos&&this.checkEos(),this.appending=!1;var e=this.parent,r=this.segments.reduce(function(t,r){return r.parent===e?t+1:t},0);this.hls.trigger(Z.a.BUFFER_APPENDED,{parent:e,pending:r}),this._needsFlush||this.doAppending(),this.updateMediaElementDuration()},e.prototype.onSBUpdateError=function(t){tt.b.error("sourceBuffer error:",t),this.hls.trigger(Z.a.ERROR,{type:$.b.MEDIA_ERROR,details:$.a.BUFFER_APPENDING_ERROR,fatal:!1})},e.prototype.onBufferReset=function(){var t=this.sourceBuffer;for(var e in t){var r=t[e];try{this.mediaSource.removeSourceBuffer(r),r.removeEventListener("updateend",this.onsbue),r.removeEventListener("error",this.onsbe)}catch(t){}}this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0},e.prototype.onBufferCodecs=function(t){if(0===Object.keys(this.sourceBuffer).length){for(var e in t)this.pendingTracks[e]=t[e];var r=this.mediaSource;r&&"open"===r.readyState&&this.checkPendingTracks()}},e.prototype.createSourceBuffers=function(t){var e=this.sourceBuffer,r=this.mediaSource;for(var i in t)if(!e[i]){var a=t[i],n=a.levelCodec||a.codec,o=a.container+";codecs="+n;tt.b.log("creating sourceBuffer("+o+")");try{var s=e[i]=r.addSourceBuffer(o);s.addEventListener("updateend",this.onsbue),s.addEventListener("error",this.onsbe),this.tracks[i]={codec:n,container:a.container},a.buffer=s}catch(t){tt.b.error("error while trying to add sourceBuffer:"+t.message),this.hls.trigger(Z.a.ERROR,{type:$.b.MEDIA_ERROR,details:$.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,err:t,mimeType:o})}}this.hls.trigger(Z.a.BUFFER_CREATED,{tracks:t})},e.prototype.onBufferAppending=function(t){this._needsFlush||(this.segments?this.segments.push(t):this.segments=[t],this.doAppending())},e.prototype.onBufferAppendFail=function(t){tt.b.error("sourceBuffer error:",t.event),this.hls.trigger(Z.a.ERROR,{type:$.b.MEDIA_ERROR,details:$.a.BUFFER_APPENDING_ERROR,fatal:!1})},e.prototype.onBufferEos=function(t){var e=this.sourceBuffer,r=t.type;for(var i in e)r&&i!==r||e[i].ended||(e[i].ended=!0,tt.b.log(i+" sourceBuffer now EOS"));this.checkEos()},e.prototype.checkEos=function(){var t=this.sourceBuffer,e=this.mediaSource;if(!e||"open"!==e.readyState)return void(this._needsEos=!1);for(var r in t){var i=t[r];if(!i.ended)return;if(i.updating)return void(this._needsEos=!0)}tt.b.log("all media data available, signal endOfStream() to MediaSource and stop loading fragment");try{e.endOfStream()}catch(t){tt.b.warn("exception while calling mediaSource.endOfStream()")}this._needsEos=!1},e.prototype.onBufferFlushing=function(t){this.flushRange.push({start:t.startOffset,end:t.endOffset,type:t.type}),this.flushBufferCounter=0,this.doFlush()},e.prototype.onLevelUpdated=function(t){var e=t.details;0!==e.fragments.length&&(this._levelDuration=e.totalduration+e.fragments[0].start,this.updateMediaElementDuration())},e.prototype.updateMediaElementDuration=function(){var t=this.media,e=this.mediaSource,r=this.sourceBuffer,i=this._levelDuration;if(null!==i&&t&&e&&r&&0!==t.readyState&&"open"===e.readyState){for(var a in r)if(r[a].updating)return;null===this._msDuration&&(this._msDuration=e.duration);var n=t.duration;(i>this._msDuration&&i>n||n===1/0||isNaN(n))&&(tt.b.log("Updating mediasource duration to "+i.toFixed(3)),this._msDuration=e.duration=i)}},e.prototype.doFlush=function(){for(;this.flushRange.length;){var t=this.flushRange[0];if(!this.flushBuffer(t.start,t.end,t.type))return void(this._needsFlush=!0);this.flushRange.shift(),this.flushBufferCounter=0}if(0===this.flushRange.length){this._needsFlush=!1;var e=0,r=this.sourceBuffer;try{for(var i in r)e+=r[i].buffered.length}catch(t){tt.b.error("error while accessing sourceBuffer.buffered")}this.appended=e,this.hls.trigger(Z.a.BUFFER_FLUSHED)}},e.prototype.doAppending=function(){var t=this.hls,e=this.sourceBuffer,r=this.segments;if(Object.keys(e).length){if(this.media.error)return this.segments=[],void tt.b.error("trying to append although a media error occured, flush segment and abort");if(this.appending)return;if(r&&r.length){var i=r.shift();try{var a=i.type,n=e[a];n?n.updating?r.unshift(i):(n.ended=!1,this.parent=i.parent,n.appendBuffer(i.data),this.appendError=0,this.appended++,this.appending=!0):this.onSBUpdateEnd()}catch(e){tt.b.error("error while trying to append buffer:"+e.message),r.unshift(i);var o={type:$.b.MEDIA_ERROR,parent:i.parent};if(22===e.code)return this.segments=[],o.details=$.a.BUFFER_FULL_ERROR,o.fatal=!1,void t.trigger(Z.a.ERROR,o);if(this.appendError?this.appendError++:this.appendError=1,o.details=$.a.BUFFER_APPEND_ERROR,this.appendError>t.config.appendErrorMaxRetry)return tt.b.log("fail "+t.config.appendErrorMaxRetry+" times to append segment in sourceBuffer"),r=[],o.fatal=!0,void t.trigger(Z.a.ERROR,o);o.fatal=!1,t.trigger(Z.a.ERROR,o)}}}},e.prototype.flushBuffer=function(t,e,r){var i,a,n,o,s,l,d=this.sourceBuffer;if(Object.keys(d).length){if(tt.b.log("flushBuffer,pos/start/end: "+this.media.currentTime.toFixed(3)+"/"+t+"/"+e),this.flushBufferCounter<this.appended){for(var u in d)if(!r||u===r){if(i=d[u],i.ended=!1,i.updating)return tt.b.warn("cannot flush, sb updating in progress"),!1;try{for(a=0;a<i.buffered.length;a++)if(n=i.buffered.start(a),o=i.buffered.end(a),-1!==navigator.userAgent.toLowerCase().indexOf("firefox")&&e===Number.POSITIVE_INFINITY?(s=t,l=e):(s=Math.max(n,t),l=Math.min(o,e)),Math.min(l,o)-s>.5)return this.flushBufferCounter++,tt.b.log("flush "+u+" ["+s+","+l+"], of ["+n+","+o+"], pos:"+this.media.currentTime),i.remove(s,l),!1}catch(t){tt.b.warn("exception while accessing sourcebuffer, it might have been removed from MediaSource")}}}else tt.b.warn("abort flushing too many retries");tt.b.log("buffer flushed")}return!0},e}(it),$t=Zt,te=function(){function t(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}return function(e,r,i){return r&&t(e.prototype,r),i&&t(e,i),e}}(),ee=function(t){function e(r){return j(this,e),V(this,t.call(this,r,Z.a.FPS_DROP_LEVEL_CAPPING,Z.a.MEDIA_ATTACHING,Z.a.MANIFEST_PARSED))}return W(e,t),e.prototype.destroy=function(){this.hls.config.capLevelToPlayerSize&&(this.media=this.restrictedLevels=null,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(this.timer=clearInterval(this.timer)))},e.prototype.onFpsDropLevelCapping=function(t){e.isLevelAllowed(t.droppedLevel,this.restrictedLevels)&&this.restrictedLevels.push(t.droppedLevel)},e.prototype.onMediaAttaching=function(t){this.media=t.media instanceof HTMLVideoElement?t.media:null},e.prototype.onManifestParsed=function(t){var e=this.hls;this.restrictedLevels=[],e.config.capLevelToPlayerSize&&(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.levels=t.levels,e.firstLevel=this.getMaxLevel(t.firstLevel),clearInterval(this.timer),this.timer=setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},e.prototype.detectPlayerSize=function(){if(this.media){var t=this.levels?this.levels.length:0;if(t){var e=this.hls;e.autoLevelCapping=this.getMaxLevel(t-1),e.autoLevelCapping>this.autoLevelCapping&&e.streamController.nextLevelSwitch(),this.autoLevelCapping=e.autoLevelCapping}}},e.prototype.getMaxLevel=function(t){var r=this;if(!this.levels)return-1;var i=this.levels.filter(function(i,a){return e.isLevelAllowed(a,r.restrictedLevels)&&a<=t});return e.getMaxLevelByMediaSize(i,this.mediaWidth,this.mediaHeight)},e.isLevelAllowed=function(t){return-1===(arguments.length>1&&void 0!==arguments[1]?arguments[1]:[]).indexOf(t)},e.getMaxLevelByMediaSize=function(t,e,r){if(!t||t&&!t.length)return-1;for(var i=t.length-1,a=0;a<t.length;a+=1){var n=t[a];if((n.width>=e||n.height>=r)&&function(t,e){return!e||(t.width!==e.width||t.height!==e.height)}(n,t[a+1])){i=a;break}}return i},te(e,[{key:"mediaWidth",get:function(){var t=void 0,r=this.media;return r&&(t=r.width||r.clientWidth||r.offsetWidth,t*=e.contentScaleFactor),t}},{key:"mediaHeight",get:function(){var t=void 0,r=this.media;return r&&(t=r.height||r.clientHeight||r.offsetHeight,t*=e.contentScaleFactor),t}}],[{key:"contentScaleFactor",get:function(){var t=1;try{t=window.devicePixelRatio}catch(t){}return t}}]),e}(it),re=ee,ie=function(t){function e(r){return K(this,e),Y(this,t.call(this,r,Z.a.MEDIA_ATTACHING))}return z(e,t),e.prototype.destroy=function(){this.timer&&clearInterval(this.timer),this.isVideoPlaybackQualityAvailable=!1},e.prototype.onMediaAttaching=function(t){var e=this.hls.config;if(e.capLevelOnFPSDrop){"function"==typeof(this.video=t.media instanceof HTMLVideoElement?t.media:null).getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),clearInterval(this.timer),this.timer=setInterval(this.checkFPSInterval.bind(this),e.fpsDroppedMonitoringPeriod)}},e.prototype.checkFPS=function(t,e,r){var i=performance.now();if(e){if(this.lastTime){var a=i-this.lastTime,n=r-this.lastDroppedFrames,o=e-this.lastDecodedFrames,s=1e3*n/a,l=this.hls;if(l.trigger(Z.a.FPS_DROP,{currentDropped:n,currentDecoded:o,totalDroppedFrames:r}),s>0&&n>l.config.fpsDroppedMonitoringThreshold*o){var d=l.currentLevel;tt.b.warn("drop FPS ratio greater than max allowed value for currentLevel: "+d),d>0&&(-1===l.autoLevelCapping||l.autoLevelCapping>=d)&&(d-=1,l.trigger(Z.a.FPS_DROP_LEVEL_CAPPING,{level:d,droppedLevel:l.currentLevel}),l.autoLevelCapping=d,l.streamController.nextLevelSwitch())}}this.lastTime=i,this.lastDroppedFrames=r,this.lastDecodedFrames=e}},e.prototype.checkFPSInterval=function(){var t=this.video;if(t)if(this.isVideoPlaybackQualityAvailable){var e=t.getVideoPlaybackQuality();this.checkFPS(t,e.totalVideoFrames,e.droppedVideoFrames)}else this.checkFPS(t,t.webkitDecodedFrameCount,t.webkitDroppedFrameCount)},e}(it),ae=ie,ne=function(){function t(e){X(this,t),e&&e.xhrSetup&&(this.xhrSetup=e.xhrSetup)}return t.prototype.destroy=function(){this.abort(),this.loader=null},t.prototype.abort=function(){var t=this.loader;t&&4!==t.readyState&&(this.stats.aborted=!0,t.abort()),window.clearTimeout(this.requestTimeout),this.requestTimeout=null,window.clearTimeout(this.retryTimeout),this.retryTimeout=null},t.prototype.load=function(t,e,r){this.context=t,this.config=e,this.callbacks=r,this.stats={trequest:performance.now(),retry:0},this.retryDelay=e.retryDelay,this.loadInternal()},t.prototype.loadInternal=function(){var t,e=this.context;t="undefined"!=typeof XDomainRequest?this.loader=new XDomainRequest:this.loader=new XMLHttpRequest;var r=this.stats;r.tfirst=0,r.loaded=0;var i=this.xhrSetup;try{if(i)try{i(t,e.url)}catch(r){t.open("GET",e.url,!0),i(t,e.url)}t.readyState||t.open("GET",e.url,!0)}catch(r){return void this.callbacks.onError({code:t.status,text:r.message},e,t)}e.rangeEnd&&t.setRequestHeader("Range","bytes="+e.rangeStart+"-"+(e.rangeEnd-1)),t.onreadystatechange=this.readystatechange.bind(this),t.onprogress=this.loadprogress.bind(this),t.responseType=e.responseType,this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),this.config.timeout),t.send()},t.prototype.readystatechange=function(t){var e=t.currentTarget,r=e.readyState,i=this.stats,a=this.context,n=this.config;if(!i.aborted&&r>=2)if(window.clearTimeout(this.requestTimeout),0===i.tfirst&&(i.tfirst=Math.max(performance.now(),i.trequest)),4===r){var o=e.status;if(o>=200&&o<300){i.tload=Math.max(i.tfirst,performance.now());var s=void 0,l=void 0;"arraybuffer"===a.responseType?(s=e.response,l=s.byteLength):(s=e.responseText,l=s.length),i.loaded=i.total=l;var d={url:e.responseURL,data:s};this.callbacks.onSuccess(d,i,a,e)}else i.retry>=n.maxRetry||o>=400&&o<499?(tt.b.error(o+" while loading "+a.url),this.callbacks.onError({code:o,text:e.statusText},a,e)):(tt.b.warn(o+" while loading "+a.url+", retrying in "+this.retryDelay+"..."),this.destroy(),this.retryTimeout=window.setTimeout(this.loadInternal.bind(this),this.retryDelay),this.retryDelay=Math.min(2*this.retryDelay,n.maxRetryDelay),i.retry++)}else this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),n.timeout)},t.prototype.loadtimeout=function(){tt.b.warn("timeout while loading "+this.context.url),this.callbacks.onTimeout(this.stats,this.context,null)},t.prototype.loadprogress=function(t){var e=t.currentTarget,r=this.stats;r.loaded=t.loaded,t.lengthComputable&&(r.total=t.total);var i=this.callbacks.onProgress;i&&i(r,this.context,null,e)},t}(),oe=ne,se=(r(3),{autoStartLoad:!0,startPosition:-1,defaultAudioCodec:void 0,debug:!1,capLevelOnFPSDrop:!1,capLevelToPlayerSize:!1,initialLiveManifestSize:1,maxBufferLength:30,maxBufferSize:6e7,maxBufferHole:.5,maxSeekHole:2,lowBufferWatchdogPeriod:.5,highBufferWatchdogPeriod:3,nudgeOffset:.1,nudgeMaxRetry:3,maxFragLookUpTolerance:.2,liveSyncDurationCount:3,liveMaxLatencyDurationCount:1/0,liveSyncDuration:void 0,liveMaxLatencyDuration:void 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,fragLoadingLoopThreshold:3,startFragPrefetch:!1,fpsDroppedMonitoringPeriod:5e3,fpsDroppedMonitoringThreshold:.2,appendErrorMaxRetry:3,loader:oe,fLoader:void 0,pLoader:void 0,xhrSetup:void 0,fetchSetup:void 0,abrController:Jt,bufferController:$t,capLevelController:re,fpsController:ae,stretchShortVideoTrack:!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}),le=function(){function t(t,e){for(var r=0;r<e.length;r++){var i=e[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}return function(e,r,i){return r&&t(e.prototype,r),i&&t(e,i),e}}(),de=function(){function t(){var e=this,r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};q(this,t);var i=t.DefaultConfig;if((r.liveSyncDurationCount||r.liveMaxLatencyDurationCount)&&(r.liveSyncDuration||r.liveMaxLatencyDuration))throw new Error("Illegal hls.js config: don't mix up liveSyncDurationCount/liveMaxLatencyDurationCount and 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