3 lines
312 KiB
JavaScript
3 lines
312 KiB
JavaScript
/* VideoPlayer Worker version 1.3.0 */
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!function(){"use strict";const t=function(){};var e="PLAYLIST_LOADED",r="FRAGMENT_DECRYPTED",s="FIRST_VIDEO_FRAME",n="RESOLUTION_SWITCHING",a="SEEK",o="PLAY",h="PAUSE",d="PLAYING",l="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{};function p(t){return t&&t.__esModule&&Object.prototype.hasOwnProperty.call(t,"default")?t.default:t}var u,f={exports:{}};u=f,function(t){function e(t){return parseInt(t)===t}function i(t){if(!e(t.length))return!1;for(var i=0;i<t.length;i++)if(!e(t[i])||t[i]<0||t[i]>255)return!1;return!0}function r(t,r){if(t.buffer&&"Uint8Array"===t.name)return r&&(t=t.slice?t.slice():Array.prototype.slice.call(t)),t;if(Array.isArray(t)){if(!i(t))throw new Error("Array contains invalid value: "+t);return new Uint8Array(t)}if(e(t.length)&&i(t))return new Uint8Array(t);throw new Error("unsupported array-like object")}function s(t){return new Uint8Array(t)}function 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E(t){for(var e=[],i=0;i<t.length;i+=4)e.push(t[i]<<24|t[i+1]<<16|t[i+2]<<8|t[i+3]);return e}var A=function(t){if(!(this instanceof A))throw Error("AES must be instanitated with `new`");Object.defineProperty(this,"key",{value:r(t,!0)}),this._prepare()};A.prototype._prepare=function(){var t=d[this.key.length];if(null==t)throw new Error("invalid key size (must be 16, 24 or 32 bytes)");this._Ke=[],this._Kd=[];for(var e=0;e<=t;e++)this._Ke.push([0,0,0,0]),this._Kd.push([0,0,0,0]);var i,r=4*(t+1),s=this.key.length/4,n=E(this.key);for(e=0;e<s;e++)i=e>>2,this._Ke[i][e%4]=n[e],this._Kd[t-i][e%4]=n[e];for(var a,o=0,h=s;h<r;){if(a=n[s-1],n[0]^=p[a>>16&255]<<24^p[a>>8&255]<<16^p[255&a]<<8^p[a>>24&255]^l[o]<<24,o+=1,8!=s)for(e=1;e<s;e++)n[e]^=n[e-1];else{for(e=1;e<s/2;e++)n[e]^=n[e-1];for(a=n[s/2-1],n[s/2]^=p[255&a]^p[a>>8&255]<<8^p[a>>16&255]<<16^p[a>>24&255]<<24,e=s/2+1;e<s;e++)n[e]^=n[e-1]}for(e=0;e<s&&h<r;)u=h>>2,f=h%4,this._Ke[u][f]=n[e],this._Kd[t-u][f]=n[e++],h++}for(var u=1;u<t;u++)for(var f=0;f<4;f++)a=this._Kd[u][f],this._Kd[u][f]=w[a>>24&255]^U[a>>16&255]^T[a>>8&255]^x[255&a]},A.prototype.encrypt=function(t){if(16!=t.length)throw new Error("invalid plaintext size (must be 16 bytes)");for(var e=this._Ke.length-1,i=[0,0,0,0],r=E(t),n=0;n<4;n++)r[n]^=this._Ke[0][n];for(var a=1;a<e;a++){for(n=0;n<4;n++)i[n]=c[r[n]>>24&255]^m[r[(n+1)%4]>>16&255]^g[r[(n+2)%4]>>8&255]^_[255&r[(n+3)%4]]^this._Ke[a][n];r=i.slice()}var o,h=s(16);for(n=0;n<4;n++)o=this._Ke[e][n],h[4*n]=255&(p[r[n]>>24&255]^o>>24),h[4*n+1]=255&(p[r[(n+1)%4]>>16&255]^o>>16),h[4*n+2]=255&(p[r[(n+2)%4]>>8&255]^o>>8),h[4*n+3]=255&(p[255&r[(n+3)%4]]^o);return h},A.prototype.decrypt=function(t){if(16!=t.length)throw new Error("invalid ciphertext size (must be 16 bytes)");for(var e=this._Kd.length-1,i=[0,0,0,0],r=E(t),n=0;n<4;n++)r[n]^=this._Kd[0][n];for(var a=1;a<e;a++){for(n=0;n<4;n++)i[n]=y[r[n]>>24&255]^b[r[(n+3)%4]>>16&255]^v[r[(n+2)%4]>>8&255]^S[255&r[(n+1)%4]]^this._Kd[a][n];r=i.slice()}var o,h=s(16);for(n=0;n<4;n++)o=this._Kd[e][n],h[4*n]=255&(f[r[n]>>24&255]^o>>24),h[4*n+1]=255&(f[r[(n+3)%4]>>16&255]^o>>16),h[4*n+2]=255&(f[r[(n+2)%4]>>8&255]^o>>8),h[4*n+3]=255&(f[255&r[(n+1)%4]]^o);return h};var k=function(t){if(!(this instanceof k))throw Error("AES must be instanitated with `new`");this.description="Electronic Code Block",this.name="ecb",this._aes=new A(t)};k.prototype.encrypt=function(t){if((t=r(t)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var e=s(t.length),i=s(16),a=0;a<t.length;a+=16)n(t,i,0,a,a+16),n(i=this._aes.encrypt(i),e,a);return e},k.prototype.decrypt=function(t){if((t=r(t)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var e=s(t.length),i=s(16),a=0;a<t.length;a+=16)n(t,i,0,a,a+16),n(i=this._aes.decrypt(i),e,a);return e};var C=function(t,e){if(!(this instanceof C))throw Error("AES must be instanitated with `new`");if(this.description="Cipher Block Chaining",this.name="cbc",e){if(16!=e.length)throw new Error("invalid initialation vector size (must be 16 bytes)")}else e=s(16);this._lastCipherblock=r(e,!0),this._aes=new A(t)};C.prototype.encrypt=function(t){if((t=r(t)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var e=s(t.length),i=s(16),a=0;a<t.length;a+=16){n(t,i,0,a,a+16);for(var o=0;o<16;o++)i[o]^=this._lastCipherblock[o];this._lastCipherblock=this._aes.encrypt(i),n(this._lastCipherblock,e,a)}return e},C.prototype.decrypt=function(t){if((t=r(t)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var e=s(t.length),i=s(16),a=0;a<t.length;a+=16){n(t,i,0,a,a+16),i=this._aes.decrypt(i);for(var o=0;o<16;o++)e[a+o]=i[o]^this._lastCipherblock[o];n(t,this._lastCipherblock,0,a,a+16)}return e};var I=function(t,e,i){if(!(this instanceof I))throw Error("AES must be instanitated with `new`");if(this.description="Cipher Feedback",this.name="cfb",e){if(16!=e.length)throw new Error("invalid initialation vector size (must be 16 size)")}else e=s(16);i||(i=1),this.segmentSize=i,this._shiftRegister=r(e,!0),this._aes=new A(t)};I.prototype.encrypt=function(t){if(t.length%this.segmentSize!=0)throw new Error("invalid plaintext size (must be segmentSize bytes)");for(var e,i=r(t,!0),s=0;s<i.length;s+=this.segmentSize){e=this._aes.encrypt(this._shiftRegister);for(var a=0;a<this.segmentSize;a++)i[s+a]^=e[a];n(this._shiftRegister,this._shiftRegister,0,this.segmentSize),n(i,this._shiftRegister,16-this.segmentSize,s,s+this.segmentSize)}return i},I.prototype.decrypt=function(t){if(t.length%this.segmentSize!=0)throw new Error("invalid ciphertext size (must be segmentSize bytes)");for(var e,i=r(t,!0),s=0;s<i.length;s+=this.segmentSize){e=this._aes.encrypt(this._shiftRegister);for(var a=0;a<this.segmentSize;a++)i[s+a]^=e[a];n(this._shiftRegister,this._shiftRegister,0,this.segmentSize),n(t,this._shiftRegister,16-this.segmentSize,s,s+this.segmentSize)}return i};var B=function(t,e){if(!(this instanceof B))throw Error("AES must be instanitated with `new`");if(this.description="Output Feedback",this.name="ofb",e){if(16!=e.length)throw new Error("invalid initialation vector size (must be 16 bytes)")}else e=s(16);this._lastPrecipher=r(e,!0),this._lastPrecipherIndex=16,this._aes=new A(t)};B.prototype.encrypt=function(t){for(var e=r(t,!0),i=0;i<e.length;i++)16===this._lastPrecipherIndex&&(this._lastPrecipher=this._aes.encrypt(this._lastPrecipher),this._lastPrecipherIndex=0),e[i]^=this._lastPrecipher[this._lastPrecipherIndex++];return e},B.prototype.decrypt=B.prototype.encrypt;var D=function(t){if(!(this instanceof D))throw Error("Counter must be instanitated with `new`");0===t||t||(t=1),"number"==typeof t?(this._counter=s(16),this.setValue(t)):this.setBytes(t)};D.prototype.setValue=function(t){if("number"!=typeof t||parseInt(t)!=t)throw new Error("invalid counter value (must be an integer)");if(t>Number.MAX_SAFE_INTEGER)throw new Error("integer value out of safe range");for(var e=15;e>=0;--e)this._counter[e]=t%256,t=parseInt(t/256)},D.prototype.setBytes=function(t){if(16!=(t=r(t,!0)).length)throw new Error("invalid counter bytes size (must be 16 bytes)");this._counter=t},D.prototype.increment=function(){for(var t=15;t>=0;t--){if(255!==this._counter[t]){this._counter[t]++;break}this._counter[t]=0}};var P=function(t,e){if(!(this instanceof P))throw Error("AES must be instanitated with `new`");this.description="Counter",this.name="ctr",e instanceof D||(e=new D(e)),this._counter=e,this._remainingCounter=null,this._remainingCounterIndex=16,this._aes=new A(t)};P.prototype.encrypt=function(t){for(var e=r(t,!0),i=0;i<e.length;i++)16===this._remainingCounterIndex&&(this._remainingCounter=this._aes.encrypt(this._counter._counter),this._remainingCounterIndex=0,this._counter.increment()),e[i]^=this._remainingCounter[this._remainingCounterIndex++];return e},P.prototype.decrypt=P.prototype.encrypt;var L={AES:A,Counter:D,ModeOfOperation:{ecb:k,cbc:C,cfb:I,ofb:B,ctr:P},utils:{hex:h,utf8:o},padding:{pkcs7:{pad:function(t){var e=16-(t=r(t,!0)).length%16,i=s(t.length+e);n(t,i);for(var a=t.length;a<i.length;a++)i[a]=e;return i},strip:function(t){if((t=r(t,!0)).length<16)throw new Error("PKCS#7 invalid length");var e=t[t.length-1];if(e>16)throw new Error("PKCS#7 padding byte out of range");for(var i=t.length-e,a=0;a<e;a++)if(t[i+a]!==e)throw new Error("PKCS#7 invalid padding byte");var o=s(i);return n(t,o,0,0,i),o}}},_arrayTest:{coerceArray:r,createArray:s,copyArray:n}};u.exports=L}();var c=p(f.exports);var m=function(){this.init=function(){var t={};this.on=function(e,i){t[e]||(t[e]=[]),t[e]=t[e].concat(i)},this.off=function(e,i){var r;return!!t[e]&&(r=t[e].indexOf(i),t[e]=t[e].slice(),t[e].splice(r,1),r>-1)},this.trigger=function(e){var i,r,s,n;if(i=t[e])if(2===arguments.length)for(s=i.length,r=0;r<s;++r)i[r].call(this,arguments[1]);else{for(n=[],r=arguments.length,r=1;r<arguments.length;++r)n.push(arguments[r]);for(s=i.length,r=0;r<s;++r)i[r].apply(this,n)}},this.dispose=function(){t={}}}};m.prototype.pipe=function(t){return this.on("data",(function(e){t.push(e)})),this.on("done",(function(e){t.flush(e)})),this.on("partialdone",(function(e){t.partialFlush(e)})),this.on("endedtimeline",(function(e){t.endTimeline(e)})),this.on("reset",(function(e){t.reset(e)})),t},m.prototype.push=function(t){this.trigger("data",t)},m.prototype.flush=function(t){this.trigger("done",t)},m.prototype.partialFlush=function(t){this.trigger("partialdone",t)},m.prototype.endTimeline=function(t){this.trigger("endedtimeline",t)},m.prototype.reset=function(t){this.trigger("reset",t)};var g,_,y,b,v,S,w,U=m,T=9e4;v=function(t,e){return g(b(t,e))},S=function(t,e){return _(y(t),e)},w=function(t,e,i){return y(i?t:t-e)};var x,E={ONE_SECOND_IN_TS:T,secondsToVideoTs:g=function(t){return t*T},secondsToAudioTs:_=function(t,e){return t*e},videoTsToSeconds:y=function(t){return t/T},audioTsToSeconds:b=function(t,e){return t/e},audioTsToVideoTs:v,videoTsToAudioTs:S,metadataTsToSeconds:w},A=E.ONE_SECOND_IN_TS,k=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];(x=function(t){var e,i=0;x.prototype.init.call(this),this.skipWarn_=function(t,e){this.trigger("log",{level:"warn",message:"adts skiping bytes "+t+" to "+e+" in frame "+i+" outside syncword"})},this.push=function(r){var s,n,a,o,h,d=0;if(t||(i=0),"audio"===r.type){var l;for(e&&e.length?(a=e,(e=new Uint8Array(a.byteLength+r.data.byteLength)).set(a),e.set(r.data,a.byteLength)):e=r.data;d+7<e.length;)if(255===e[d]&&240==(246&e[d+1])){if("number"==typeof l&&(this.skipWarn_(l,d),l=null),n=2*(1&~e[d+1]),s=(3&e[d+3])<<11|e[d+4]<<3|(224&e[d+5])>>5,h=(o=1024*(1+(3&e[d+6])))*A/k[(60&e[d+2])>>>2],e.byteLength-d<s)break;this.trigger("data",{pts:r.pts+i*h,dts:r.dts+i*h,sampleCount:o,audioobjecttype:1+(e[d+2]>>>6&3),channelcount:(1&e[d+2])<<2|(192&e[d+3])>>>6,samplerate:k[(60&e[d+2])>>>2],samplingfrequencyindex:(60&e[d+2])>>>2,samplesize:16,data:e.subarray(d+7+n,d+s)}),i++,d+=s}else"number"!=typeof l&&(l=d),d++;"number"==typeof l&&(this.skipWarn_(l,d),l=null),e=e.subarray(d)}},this.flush=function(){i=0,this.trigger("done")},this.reset=function(){e=void 0,this.trigger("reset")},this.endTimeline=function(){e=void 0,this.trigger("endedtimeline")}}).prototype=new U;var C,I,B,D=x,P=U,L=function(t){var e=t.byteLength,i=0,r=0;this.length=function(){return 8*e},this.bitsAvailable=function(){return 8*e+r},this.loadWord=function(){var s=t.byteLength-e,n=new Uint8Array(4),a=Math.min(4,e);if(0===a)throw new Error("no bytes 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t,e,i=0;I.prototype.init.call(this),this.push=function(r){var s;e?((s=new Uint8Array(e.byteLength+r.data.byteLength)).set(e),s.set(r.data,e.byteLength),e=s):e=r.data;for(var n=e.byteLength;i<n-3;i++)if(1===e[i+2]){t=i+5;break}for(;t<n;)switch(e[t]){case 0:if(0!==e[t-1]){t+=2;break}if(0!==e[t-2]){t++;break}i+3!==t-2&&this.trigger("data",e.subarray(i+3,t-2));do{t++}while(1!==e[t]&&t<n);i=t-2,t+=3;break;case 1:if(0!==e[t-1]||0!==e[t-2]){t+=3;break}this.trigger("data",e.subarray(i+3,t-2)),i=t-2,t+=3;break;default:t+=3}e=e.subarray(i),t-=i,i=0},this.reset=function(){e=null,i=0,this.trigger("reset")},this.flush=function(){e&&e.byteLength>3&&this.trigger("data",e.subarray(i+3)),e=null,i=0,this.trigger("done")},this.endTimeline=function(){this.flush(),this.trigger("endedtimeline")}}).prototype=new P,B={100:!0,110:!0,122:!0,244:!0,44:!0,83:!0,86:!0,118:!0,128:!0,138:!0,139:!0,134:!0},C=function(){var t,e,i,r,s,n,a,o=new 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e;t.data[0]===se&&-1!==(e=re(t.data,0,1))&&(t.description=ae(t.data,1,e),t.value=ae(t.data,e+1,t.data.length).replace(/\0*$/,""),t.data=t.value)},"W*":function(t){t.url=oe(t.data,0,t.data.length).replace(/\0.*$/,"")},WXXX:function(t){var e;t.data[0]===se&&-1!==(e=re(t.data,0,1))&&(t.description=ae(t.data,1,e),t.url=oe(t.data,e+1,t.data.length).replace(/\0.*$/,""))},PRIV:function(t){var e;for(e=0;e<t.data.length;e++)if(0===t.data[e]){t.owner=oe(t.data,0,e);break}t.privateData=t.data.subarray(e+1),t.data=t.privateData}},le={parseId3Frames:function(t){var e,i=10,r=0,s=[];if(!(t.length<10||t[0]!=="I".charCodeAt(0)||t[1]!=="D".charCodeAt(0)||t[2]!=="3".charCodeAt(0))){r=he(t.subarray(6,10)),r+=10,64&t[5]&&(i+=4,i+=he(t.subarray(10,14)),r-=he(t.subarray(16,20)));do{if((e=he(t.subarray(i+4,i+8)))<1)break;var n={id:String.fromCharCode(t[i],t[i+1],t[i+2],t[i+3]),data:t.subarray(i+10,i+e+10)};n.key=n.id,de[n.id]?de[n.id](n):"T"===n.id[0]?de["T*"](n):"W"===n.id[0]&&de["W*"](n),s.push(n),i+=10,i+=e}while(i<r);return s}},parseSyncSafeInteger:he,frameParsers:de},pe=zt,ue=function(t){return("00"+t.toString(16)).slice(-2)},fe=Mt,ce=Ft,me=Yt,ge=Wt(),_e=jt(),ye=qt(),be=Tt.getUint64,ve=ee,Se=le.parseId3Frames;Kt=function(t){return fe(t,["moov","trak"]).reduce((function(t,e){var i,r,s,n,a;return(i=fe(e,["tkhd"])[0])?(r=i[0],n=pe(i[s=0===r?12:20]<<24|i[s+1]<<16|i[s+2]<<8|i[s+3]),(a=fe(e,["mdia","mdhd"])[0])?(s=0===(r=a[0])?12:20,t[n]=pe(a[s]<<24|a[s+1]<<16|a[s+2]<<8|a[s+3]),t):null):null}),{})},Xt=function(t,e){var i=fe(e,["moof","traf"]).reduce((function(e,i){var r,s,n=fe(i,["tfhd"])[0],a=pe(n[4]<<24|n[5]<<16|n[6]<<8|n[7]),o=t[a]||9e4,h=fe(i,["tfdt"])[0],d=new 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i={size:0,flags:{isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0,degradationPriority:0,isNonSyncSample:1}};return i.dataOffset=e,i.compositionTimeOffset=t.pts-t.dts,i.duration=t.duration,i.size=4*t.length,i.size+=t.byteLength,t.keyFrame&&(i.flags.dependsOn=2,i.flags.isNonSyncSample=0),i},xe={groupNalsIntoFrames:function(t){var e,i,r=[],s=[];for(s.byteLength=0,s.nalCount=0,s.duration=0,r.byteLength=0,e=0;e<t.length;e++)"access_unit_delimiter_rbsp"===(i=t[e]).nalUnitType?(r.length&&(r.duration=i.dts-r.dts,s.byteLength+=r.byteLength,s.nalCount+=r.length,s.duration+=r.duration,s.push(r)),(r=[i]).byteLength=i.data.byteLength,r.pts=i.pts,r.dts=i.dts):("slice_layer_without_partitioning_rbsp_idr"===i.nalUnitType&&(r.keyFrame=!0),r.duration=i.dts-r.dts,r.byteLength+=i.data.byteLength,r.push(i));return 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e,i,r=t.byteLength,s=[],n=1;n<r-2;)0===t[n]&&0===t[n+1]&&3===t[n+2]?(s.push(n+2),n+=2):n++;if(0===s.length)return t;e=r-s.length,i=new Uint8Array(e);var a=0;for(n=0;n<e;a++,n++)a===s[0]&&(a++,s.shift()),i[n]=t[a];return i},USER_DATA_REGISTERED_ITU_T_T35:4},ze=U,Fe=Le,Re=function t(e){e=e||{},t.prototype.init.call(this),this.parse708captions_="boolean"!=typeof e.parse708captions||e.parse708captions,this.captionPackets_=[],this.ccStreams_=[new qe(0,0),new qe(0,1),new qe(1,0),new qe(1,1)],this.parse708captions_&&(this.cc708Stream_=new Ve({captionServices:e.captionServices})),this.reset(),this.ccStreams_.forEach((function(t){t.on("data",this.trigger.bind(this,"data")),t.on("partialdone",this.trigger.bind(this,"partialdone")),t.on("done",this.trigger.bind(this,"done"))}),this),this.parse708captions_&&(this.cc708Stream_.on("data",this.trigger.bind(this,"data")),this.cc708Stream_.on("partialdone",this.trigger.bind(this,"partialdone")),this.cc708Stream_.on("done",this.trigger.bind(this,"done")))};(Re.prototype=new ze).push=function(t){var e,i,r;if("sei_rbsp"===t.nalUnitType&&(e=Fe.parseSei(t.escapedRBSP)).payload&&e.payloadType===Fe.USER_DATA_REGISTERED_ITU_T_T35&&(i=Fe.parseUserData(e)))if(t.dts<this.latestDts_)this.ignoreNextEqualDts_=!0;else{if(t.dts===this.latestDts_&&this.ignoreNextEqualDts_)return this.numSameDts_--,void(this.numSameDts_||(this.ignoreNextEqualDts_=!1));r=Fe.parseCaptionPackets(t.pts,i),this.captionPackets_=this.captionPackets_.concat(r),this.latestDts_!==t.dts&&(this.numSameDts_=0),this.numSameDts_++,this.latestDts_=t.dts}},Re.prototype.flushCCStreams=function(t){this.ccStreams_.forEach((function(e){return"flush"===t?e.flush():e.partialFlush()}),this)},Re.prototype.flushStream=function(t){this.captionPackets_.length?(this.captionPackets_.forEach((function(t,e){t.presortIndex=e})),this.captionPackets_.sort((function(t,e){return t.pts===e.pts?t.presortIndex-e.presortIndex:t.pts-e.pts})),this.captionPackets_.forEach((function(t){t.type<2?this.dispatchCea608Packet(t):this.dispatchCea708Packet(t)}),this),this.captionPackets_.length=0,this.flushCCStreams(t)):this.flushCCStreams(t)},Re.prototype.flush=function(){return this.flushStream("flush")},Re.prototype.partialFlush=function(){return this.flushStream("partialFlush")},Re.prototype.reset=function(){this.latestDts_=null,this.ignoreNextEqualDts_=!1,this.numSameDts_=0,this.activeCea608Channel_=[null,null],this.ccStreams_.forEach((function(t){t.reset()}))},Re.prototype.dispatchCea608Packet=function(t){this.setsTextOrXDSActive(t)?this.activeCea608Channel_[t.type]=null:this.setsChannel1Active(t)?this.activeCea608Channel_[t.type]=0:this.setsChannel2Active(t)&&(this.activeCea608Channel_[t.type]=1),null!==this.activeCea608Channel_[t.type]&&this.ccStreams_[(t.type<<1)+this.activeCea608Channel_[t.type]].push(t)},Re.prototype.setsChannel1Active=function(t){return 4096==(30720&t.ccData)},Re.prototype.setsChannel2Active=function(t){return 6144==(30720&t.ccData)},Re.prototype.setsTextOrXDSActive=function(t){return 256==(28928&t.ccData)||4138==(30974&t.ccData)||6186==(30974&t.ccData)},Re.prototype.dispatchCea708Packet=function(t){this.parse708captions_&&this.cc708Stream_.push(t)};var Oe={127:9834,4128:32,4129:160,4133:8230,4138:352,4140:338,4144:9608,4145:8216,4146:8217,4147:8220,4148:8221,4149:8226,4153:8482,4154:353,4156:339,4157:8480,4159:376,4214:8539,4215:8540,4216:8541,4217:8542,4218:9168,4219:9124,4220:9123,4221:9135,4222:9126,4223:9121,4256:12600},Me=function(t){return 32<=t&&t<=127||160<=t&&t<=255},Ne=function(t){this.windowNum=t,this.reset()};Ne.prototype.reset=function(){this.clearText(),this.pendingNewLine=!1,this.winAttr={},this.penAttr={},this.penLoc={},this.penColor={},this.visible=0,this.rowLock=0,this.columnLock=0,this.priority=0,this.relativePositioning=0,this.anchorVertical=0,this.anchorHorizontal=0,this.anchorPoint=0,this.rowCount=1,this.virtualRowCount=this.rowCount+1,this.columnCount=41,this.windowStyle=0,this.penStyle=0},Ne.prototype.getText=function(){return this.rows.join("\n")},Ne.prototype.clearText=function(){this.rows=[""],this.rowIdx=0},Ne.prototype.newLine=function(t){for(this.rows.length>=this.virtualRowCount&&"function"==typeof this.beforeRowOverflow&&this.beforeRowOverflow(t),this.rows.length>0&&(this.rows.push(""),this.rowIdx++);this.rows.length>this.virtualRowCount;)this.rows.shift(),this.rowIdx--},Ne.prototype.isEmpty=function(){return 0===this.rows.length||1===this.rows.length&&""===this.rows[0]},Ne.prototype.addText=function(t){this.rows[this.rowIdx]+=t},Ne.prototype.backspace=function(){if(!this.isEmpty()){var t=this.rows[this.rowIdx];this.rows[this.rowIdx]=t.substr(0,t.length-1)}};var Ge=function(t,e,i){this.serviceNum=t,this.text="",this.currentWindow=new Ne(-1),this.windows=[],this.stream=i,"string"==typeof e&&this.createTextDecoder(e)};Ge.prototype.init=function(t,e){this.startPts=t;for(var i=0;i<8;i++)this.windows[i]=new Ne(i),"function"==typeof e&&(this.windows[i].beforeRowOverflow=e)},Ge.prototype.setCurrentWindow=function(t){this.currentWindow=this.windows[t]},Ge.prototype.createTextDecoder=function(t){if("undefined"==typeof TextDecoder)this.stream.trigger("log",{level:"warn",message:"The `encoding` option is unsupported without TextDecoder support"});else try{this.textDecoder_=new TextDecoder(t)}catch(e){this.stream.trigger("log",{level:"warn",message:"TextDecoder could not be created with "+t+" encoding. "+e})}};var Ve=function t(e){e=e||{},t.prototype.init.call(this);var i,r=this,s=e.captionServices||{},n={};Object.keys(s).forEach((function(t){i=s[t],/^SERVICE/.test(t)&&(n[t]=i.encoding)})),this.serviceEncodings=n,this.current708Packet=null,this.services={},this.push=function(t){3===t.type?(r.new708Packet(),r.add708Bytes(t)):(null===r.current708Packet&&r.new708Packet(),r.add708Bytes(t))}};Ve.prototype=new ze,Ve.prototype.new708Packet=function(){null!==this.current708Packet&&this.push708Packet(),this.current708Packet={data:[],ptsVals:[]}},Ve.prototype.add708Bytes=function(t){var e=t.ccData,i=e>>>8,r=255&e;this.current708Packet.ptsVals.push(t.pts),this.current708Packet.data.push(i),this.current708Packet.data.push(r)},Ve.prototype.push708Packet=function(){var t=this.current708Packet,e=t.data,i=null,r=null,s=0,n=e[s++];for(t.seq=n>>6,t.sizeCode=63&n;s<e.length;s++)r=31&(n=e[s++]),7===(i=n>>5)&&r>0&&(i=n=e[s++]),this.pushServiceBlock(i,s,r),r>0&&(s+=r-1)},Ve.prototype.pushServiceBlock=function(t,e,i){var r,s=e,n=this.current708Packet.data,a=this.services[t];for(a||(a=this.initService(t,s));s<e+i&&s<n.length;s++)r=n[s],Me(r)?s=this.handleText(s,a):24===r?s=this.multiByteCharacter(s,a):16===r?s=this.extendedCommands(s,a):128<=r&&r<=135?s=this.setCurrentWindow(s,a):152<=r&&r<=159?s=this.defineWindow(s,a):136===r?s=this.clearWindows(s,a):140===r?s=this.deleteWindows(s,a):137===r?s=this.displayWindows(s,a):138===r?s=this.hideWindows(s,a):139===r?s=this.toggleWindows(s,a):151===r?s=this.setWindowAttributes(s,a):144===r?s=this.setPenAttributes(s,a):145===r?s=this.setPenColor(s,a):146===r?s=this.setPenLocation(s,a):143===r?a=this.reset(s,a):8===r?a.currentWindow.backspace():12===r?a.currentWindow.clearText():13===r?a.currentWindow.pendingNewLine=!0:14===r?a.currentWindow.clearText():141===r&&s++},Ve.prototype.extendedCommands=function(t,e){var i=this.current708Packet.data[++t];return Me(i)&&(t=this.handleText(t,e,{isExtended:!0})),t},Ve.prototype.getPts=function(t){return this.current708Packet.ptsVals[Math.floor(t/2)]},Ve.prototype.initService=function(t,e){var i,r,s=this;return(i="SERVICE"+t)in this.serviceEncodings&&(r=this.serviceEncodings[i]),this.services[t]=new Ge(t,r,s),this.services[t].init(this.getPts(e),(function(e){s.flushDisplayed(e,s.services[t])})),this.services[t]},Ve.prototype.handleText=function(t,e,i){var r,s,n,a,o=i&&i.isExtended,h=i&&i.isMultiByte,d=this.current708Packet.data,l=o?4096:0,p=d[t],u=d[t+1],f=e.currentWindow;if(h?(s=[p,u],t++):s=[p],e.textDecoder_&&!o)r=e.textDecoder_.decode(new Uint8Array(s));else if(h){var c=s.map((function(t){return("0"+(255&t).toString(16)).slice(-2)})).join("");r=String.fromCharCode(parseInt(c,16))}else a=Oe[n=l|p]||n,r=4096&n&&n===a?"":String.fromCharCode(a);return f.pendingNewLine&&!f.isEmpty()&&f.newLine(this.getPts(t)),f.pendingNewLine=!1,f.addText(r),t},Ve.prototype.multiByteCharacter=function(t,e){var i=this.current708Packet.data,r=i[t+1],s=i[t+2];return Me(r)&&Me(s)&&(t=this.handleText(++t,e,{isMultiByte:!0})),t},Ve.prototype.setCurrentWindow=function(t,e){var i=7&this.current708Packet.data[t];return e.setCurrentWindow(i),t},Ve.prototype.defineWindow=function(t,e){var i=this.current708Packet.data,r=i[t],s=7&r;e.setCurrentWindow(s);var n=e.currentWindow;return r=i[++t],n.visible=(32&r)>>5,n.rowLock=(16&r)>>4,n.columnLock=(8&r)>>3,n.priority=7&r,r=i[++t],n.relativePositioning=(128&r)>>7,n.anchorVertical=127&r,r=i[++t],n.anchorHorizontal=r,r=i[++t],n.anchorPoint=(240&r)>>4,n.rowCount=15&r,r=i[++t],n.columnCount=63&r,r=i[++t],n.windowStyle=(56&r)>>3,n.penStyle=7&r,n.virtualRowCount=n.rowCount+1,t},Ve.prototype.setWindowAttributes=function(t,e){var i=this.current708Packet.data,r=i[t],s=e.currentWindow.winAttr;return r=i[++t],s.fillOpacity=(192&r)>>6,s.fillRed=(48&r)>>4,s.fillGreen=(12&r)>>2,s.fillBlue=3&r,r=i[++t],s.borderType=(192&r)>>6,s.borderRed=(48&r)>>4,s.borderGreen=(12&r)>>2,s.borderBlue=3&r,r=i[++t],s.borderType+=(128&r)>>5,s.wordWrap=(64&r)>>6,s.printDirection=(48&r)>>4,s.scrollDirection=(12&r)>>2,s.justify=3&r,r=i[++t],s.effectSpeed=(240&r)>>4,s.effectDirection=(12&r)>>2,s.displayEffect=3&r,t},Ve.prototype.flushDisplayed=function(t,e){for(var i=[],r=0;r<8;r++)e.windows[r].visible&&!e.windows[r].isEmpty()&&i.push(e.windows[r].getText());e.endPts=t,e.text=i.join("\n\n"),this.pushCaption(e),e.startPts=t},Ve.prototype.pushCaption=function(t){""!==t.text&&(this.trigger("data",{startPts:t.startPts,endPts:t.endPts,text:t.text,stream:"cc708_"+t.serviceNum}),t.text="",t.startPts=t.endPts)},Ve.prototype.displayWindows=function(t,e){var i=this.current708Packet.data[++t],r=this.getPts(t);this.flushDisplayed(r,e);for(var s=0;s<8;s++)i&1<<s&&(e.windows[s].visible=1);return t},Ve.prototype.hideWindows=function(t,e){var i=this.current708Packet.data[++t],r=this.getPts(t);this.flushDisplayed(r,e);for(var s=0;s<8;s++)i&1<<s&&(e.windows[s].visible=0);return t},Ve.prototype.toggleWindows=function(t,e){var i=this.current708Packet.data[++t],r=this.getPts(t);this.flushDisplayed(r,e);for(var s=0;s<8;s++)i&1<<s&&(e.windows[s].visible^=1);return t},Ve.prototype.clearWindows=function(t,e){var i=this.current708Packet.data[++t],r=this.getPts(t);this.flushDisplayed(r,e);for(var s=0;s<8;s++)i&1<<s&&e.windows[s].clearText();return t},Ve.prototype.deleteWindows=function(t,e){var i=this.current708Packet.data[++t],r=this.getPts(t);this.flushDisplayed(r,e);for(var s=0;s<8;s++)i&1<<s&&e.windows[s].reset();return t},Ve.prototype.setPenAttributes=function(t,e){var i=this.current708Packet.data,r=i[t],s=e.currentWindow.penAttr;return r=i[++t],s.textTag=(240&r)>>4,s.offset=(12&r)>>2,s.penSize=3&r,r=i[++t],s.italics=(128&r)>>7,s.underline=(64&r)>>6,s.edgeType=(56&r)>>3,s.fontStyle=7&r,t},Ve.prototype.setPenColor=function(t,e){var i=this.current708Packet.data,r=i[t],s=e.currentWindow.penColor;return r=i[++t],s.fgOpacity=(192&r)>>6,s.fgRed=(48&r)>>4,s.fgGreen=(12&r)>>2,s.fgBlue=3&r,r=i[++t],s.bgOpacity=(192&r)>>6,s.bgRed=(48&r)>>4,s.bgGreen=(12&r)>>2,s.bgBlue=3&r,r=i[++t],s.edgeRed=(48&r)>>4,s.edgeGreen=(12&r)>>2,s.edgeBlue=3&r,t},Ve.prototype.setPenLocation=function(t,e){var i=this.current708Packet.data,r=i[t],s=e.currentWindow.penLoc;return e.currentWindow.pendingNewLine=!0,r=i[++t],s.row=15&r,r=i[++t],s.column=63&r,t},Ve.prototype.reset=function(t,e){var i=this.getPts(t);return this.flushDisplayed(i,e),this.initService(e.serviceNum,t)};var He={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,304:174,305:176,306:189,307:191,308:8482,309:162,310:163,311:9834,312:224,313:160,314:232,315:226,316:234,317:238,318:244,319:251,544:193,545:201,546:211,547:218,548:220,549:252,550:8216,551:161,552:42,553:39,554:8212,555:169,556:8480,557:8226,558:8220,559:8221,560:192,561:194,562:199,563:200,564:202,565:203,566:235,567:206,568:207,569:239,570:212,571:217,572:249,573:219,574:171,575:187,800:195,801:227,802:205,803:204,804:236,805:210,806:242,807:213,808:245,809:123,810:125,811:92,812:94,813:95,814:124,815:126,816:196,817:228,818:214,819:246,820:223,821:165,822:164,823:9474,824:197,825:229,826:216,827:248,828:9484,829:9488,830:9492,831:9496},Ye=function(t){return null===t?"":(t=He[t]||t,String.fromCharCode(t))},We=[4352,4384,4608,4640,5376,5408,5632,5664,5888,5920,4096,4864,4896,5120,5152],je=function(){for(var t=[],e=15;e--;)t.push({text:"",indent:0,offset:0});return t},qe=function t(e,i){t.prototype.init.call(this),this.field_=e||0,this.dataChannel_=i||0,this.name_="CC"+(1+(this.field_<<1|this.dataChannel_)),this.setConstants(),this.reset(),this.push=function(t){var e,i,r,s,n;if((e=32639&t.ccData)!==this.lastControlCode_){if(4096==(61440&e)?this.lastControlCode_=e:e!==this.PADDING_&&(this.lastControlCode_=null),r=e>>>8,s=255&e,e!==this.PADDING_)if(e===this.RESUME_CAPTION_LOADING_)this.mode_="popOn";else if(e===this.END_OF_CAPTION_)this.mode_="popOn",this.clearFormatting(t.pts),this.flushDisplayed(t.pts),i=this.displayed_,this.displayed_=this.nonDisplayed_,this.nonDisplayed_=i,this.startPts_=t.pts;else if(e===this.ROLL_UP_2_ROWS_)this.rollUpRows_=2,this.setRollUp(t.pts);else if(e===this.ROLL_UP_3_ROWS_)this.rollUpRows_=3,this.setRollUp(t.pts);else if(e===this.ROLL_UP_4_ROWS_)this.rollUpRows_=4,this.setRollUp(t.pts);else if(e===this.CARRIAGE_RETURN_)this.clearFormatting(t.pts),this.flushDisplayed(t.pts),this.shiftRowsUp_(),this.startPts_=t.pts;else if(e===this.BACKSPACE_)"popOn"===this.mode_?this.nonDisplayed_[this.row_].text=this.nonDisplayed_[this.row_].text.slice(0,-1):this.displayed_[this.row_].text=this.displayed_[this.row_].text.slice(0,-1);else if(e===this.ERASE_DISPLAYED_MEMORY_)this.flushDisplayed(t.pts),this.displayed_=je();else if(e===this.ERASE_NON_DISPLAYED_MEMORY_)this.nonDisplayed_=je();else if(e===this.RESUME_DIRECT_CAPTIONING_)"paintOn"!==this.mode_&&(this.flushDisplayed(t.pts),this.displayed_=je()),this.mode_="paintOn",this.startPts_=t.pts;else if(this.isSpecialCharacter(r,s))n=Ye((r=(3&r)<<8)|s),this[this.mode_](t.pts,n),this.column_++;else if(this.isExtCharacter(r,s))"popOn"===this.mode_?this.nonDisplayed_[this.row_].text=this.nonDisplayed_[this.row_].text.slice(0,-1):this.displayed_[this.row_].text=this.displayed_[this.row_].text.slice(0,-1),n=Ye((r=(3&r)<<8)|s),this[this.mode_](t.pts,n),this.column_++;else if(this.isMidRowCode(r,s))this.clearFormatting(t.pts),this[this.mode_](t.pts," "),this.column_++,14&~s||this.addFormatting(t.pts,["i"]),1&~s||this.addFormatting(t.pts,["u"]);else if(this.isOffsetControlCode(r,s)){var a=3&s;this.nonDisplayed_[this.row_].offset=a,this.column_+=a}else if(this.isPAC(r,s)){var o=We.indexOf(7968&e);if("rollUp"===this.mode_&&(o-this.rollUpRows_+1<0&&(o=this.rollUpRows_-1),this.setRollUp(t.pts,o)),o!==this.row_&&o>=0&&o<=14&&(this.clearFormatting(t.pts),this.row_=o),1&s&&-1===this.formatting_.indexOf("u")&&this.addFormatting(t.pts,["u"]),!(16&~e)){var h=(14&e)>>1;this.column_=4*h,this.nonDisplayed_[this.row_].indent+=h}this.isColorPAC(s)&&(14&~s||this.addFormatting(t.pts,["i"]))}else this.isNormalChar(r)&&(0===s&&(s=null),n=Ye(r),n+=Ye(s),this[this.mode_](t.pts,n),this.column_+=n.length)}else this.lastControlCode_=null}};qe.prototype=new ze,qe.prototype.flushDisplayed=function(t){var e=this,i=function(t){e.trigger("log",{level:"warn",message:"Skipping a malformed 608 caption at index "+t+"."})},r=[];this.displayed_.forEach((function(t,e){if(t&&t.text&&t.text.length){try{t.text=t.text.trim()}catch(t){i(e)}t.text.length&&r.push({text:t.text,line:e+1,position:10+Math.min(70,10*t.indent)+2.5*t.offset})}else null==t&&i(e)})),r.length&&this.trigger("data",{startPts:this.startPts_,endPts:t,content:r,stream:this.name_})},qe.prototype.reset=function(){this.mode_="popOn",this.topRow_=0,this.startPts_=0,this.displayed_=je(),this.nonDisplayed_=je(),this.lastControlCode_=null,this.column_=0,this.row_=14,this.rollUpRows_=2,this.formatting_=[]},qe.prototype.setConstants=function(){0===this.dataChannel_?(this.BASE_=16,this.EXT_=17,this.CONTROL_=(20|this.field_)<<8,this.OFFSET_=23):1===this.dataChannel_&&(this.BASE_=24,this.EXT_=25,this.CONTROL_=(28|this.field_)<<8,this.OFFSET_=31),this.PADDING_=0,this.RESUME_CAPTION_LOADING_=32|this.CONTROL_,this.END_OF_CAPTION_=47|this.CONTROL_,this.ROLL_UP_2_ROWS_=37|this.CONTROL_,this.ROLL_UP_3_ROWS_=38|this.CONTROL_,this.ROLL_UP_4_ROWS_=39|this.CONTROL_,this.CARRIAGE_RETURN_=45|this.CONTROL_,this.RESUME_DIRECT_CAPTIONING_=41|this.CONTROL_,this.BACKSPACE_=33|this.CONTROL_,this.ERASE_DISPLAYED_MEMORY_=44|this.CONTROL_,this.ERASE_NON_DISPLAYED_MEMORY_=46|this.CONTROL_},qe.prototype.isSpecialCharacter=function(t,e){return t===this.EXT_&&e>=48&&e<=63},qe.prototype.isExtCharacter=function(t,e){return(t===this.EXT_+1||t===this.EXT_+2)&&e>=32&&e<=63},qe.prototype.isMidRowCode=function(t,e){return t===this.EXT_&&e>=32&&e<=47},qe.prototype.isOffsetControlCode=function(t,e){return t===this.OFFSET_&&e>=33&&e<=35},qe.prototype.isPAC=function(t,e){return t>=this.BASE_&&t<this.BASE_+8&&e>=64&&e<=127},qe.prototype.isColorPAC=function(t){return t>=64&&t<=79||t>=96&&t<=127},qe.prototype.isNormalChar=function(t){return t>=32&&t<=127},qe.prototype.setRollUp=function(t,e){if("rollUp"!==this.mode_&&(this.row_=14,this.mode_="rollUp",this.flushDisplayed(t),this.nonDisplayed_=je(),this.displayed_=je()),void 0!==e&&e!==this.row_)for(var i=0;i<this.rollUpRows_;i++)this.displayed_[e-i]=this.displayed_[this.row_-i],this.displayed_[this.row_-i]={text:"",indent:0,offset:0};void 0===e&&(e=this.row_),this.topRow_=e-this.rollUpRows_+1},qe.prototype.addFormatting=function(t,e){this.formatting_=this.formatting_.concat(e);var i=e.reduce((function(t,e){return t+"<"+e+">"}),"");this[this.mode_](t,i)},qe.prototype.clearFormatting=function(t){if(this.formatting_.length){var e=this.formatting_.reverse().reduce((function(t,e){return t+"</"+e+">"}),"");this.formatting_=[],this[this.mode_](t,e)}},qe.prototype.popOn=function(t,e){var i=this.nonDisplayed_[this.row_].text;i+=e,this.nonDisplayed_[this.row_].text=i},qe.prototype.rollUp=function(t,e){var i=this.displayed_[this.row_].text;i+=e,this.displayed_[this.row_].text=i},qe.prototype.shiftRowsUp_=function(){var t;for(t=0;t<this.topRow_;t++)this.displayed_[t]={text:"",indent:0,offset:0};for(t=this.row_+1;t<15;t++)this.displayed_[t]={text:"",indent:0,offset:0};for(t=this.topRow_;t<this.row_;t++)this.displayed_[t]=this.displayed_[t+1];this.displayed_[this.row_]={text:"",indent:0,offset:0}},qe.prototype.paintOn=function(t,e){var i=this.displayed_[this.row_].text;i+=e,this.displayed_[this.row_].text=i};var Ke={CaptionStream:Re,Cea608Stream:qe,Cea708Stream:Ve},Xe={H264_STREAM_TYPE:27,ADTS_STREAM_TYPE:15,METADATA_STREAM_TYPE:21},Ze="shared",Qe=function(t,e){var i=1;for(t>e&&(i=-1);Math.abs(e-t)>4294967296;)t+=8589934592*i;return t},$e=function t(e){var i,r;t.prototype.init.call(this),this.type_=e||Ze,this.push=function(t){"metadata"!==t.type?this.type_!==Ze&&t.type!==this.type_||(void 0===r&&(r=t.dts),t.dts=Qe(t.dts,r),t.pts=Qe(t.pts,r),i=t.dts,this.trigger("data",t)):this.trigger("data",t)},this.flush=function(){r=i,this.trigger("done")},this.endTimeline=function(){this.flush(),this.trigger("endedtimeline")},this.discontinuity=function(){r=void 0,i=void 0},this.reset=function(){this.discontinuity(),this.trigger("reset")}};$e.prototype=new U;var Je,ti=$e,ei=Qe,ii=Xe,ri=le;(Je=function(t){var e,i={descriptor:t&&t.descriptor},r=0,s=[],n=0;if(Je.prototype.init.call(this),this.dispatchType=ii.METADATA_STREAM_TYPE.toString(16),i.descriptor)for(e=0;e<i.descriptor.length;e++)this.dispatchType+=("00"+i.descriptor[e].toString(16)).slice(-2);this.push=function(t){var e,i,a,o,h;if("timed-metadata"===t.type)if(t.dataAlignmentIndicator&&(n=0,s.length=0),0===s.length&&(t.data.length<10||t.data[0]!=="I".charCodeAt(0)||t.data[1]!=="D".charCodeAt(0)||t.data[2]!=="3".charCodeAt(0)))this.trigger("log",{level:"warn",message:"Skipping unrecognized metadata packet"});else if(s.push(t),n+=t.data.byteLength,1===s.length&&(r=ri.parseSyncSafeInteger(t.data.subarray(6,10)),r+=10),!(n<r)){for(e={data:new Uint8Array(r),frames:[],pts:s[0].pts,dts:s[0].dts},h=0;h<r;)e.data.set(s[0].data.subarray(0,r-h),h),h+=s[0].data.byteLength,n-=s[0].data.byteLength,s.shift();i=10,64&e.data[5]&&(i+=4,i+=ri.parseSyncSafeInteger(e.data.subarray(10,14)),r-=ri.parseSyncSafeInteger(e.data.subarray(16,20)));do{if((a=ri.parseSyncSafeInteger(e.data.subarray(i+4,i+8)))<1){this.trigger("log",{level:"warn",message:"Malformed ID3 frame encountered. Skipping remaining metadata parsing."});break}if((o={id:String.fromCharCode(e.data[i],e.data[i+1],e.data[i+2],e.data[i+3]),data:e.data.subarray(i+10,i+a+10)}).key=o.id,ri.frameParsers[o.id]?ri.frameParsers[o.id](o):"T"===o.id[0]?ri.frameParsers["T*"](o):"W"===o.id[0]&&ri.frameParsers["W*"](o),"com.apple.streaming.transportStreamTimestamp"===o.owner){var d=o.data,l=(1&d[3])<<30|d[4]<<22|d[5]<<14|d[6]<<6|d[7]>>>2;l*=4,l+=3&d[7],o.timeStamp=l,void 0===e.pts&&void 0===e.dts&&(e.pts=o.timeStamp,e.dts=o.timeStamp),this.trigger("timestamp",o)}e.frames.push(o),i+=10,i+=a}while(i<r);this.trigger("data",e)}}}).prototype=new U;var si,ni,ai,oi=Je,hi=U,di=Ke,li=Xe,pi=ti,ui=188;(si=function(){var t=new Uint8Array(ui),e=0;si.prototype.init.call(this),this.push=function(i){var r,s=0,n=ui;for(e?((r=new Uint8Array(i.byteLength+e)).set(t.subarray(0,e)),r.set(i,e),e=0):r=i;n<r.byteLength;)71!==r[s]||71!==r[n]?(s++,n++):(this.trigger("data",r.subarray(s,n)),s+=ui,n+=ui);s<r.byteLength&&(t.set(r.subarray(s),0),e=r.byteLength-s)},this.flush=function(){e===ui&&71===t[0]&&(this.trigger("data",t),e=0),this.trigger("done")},this.endTimeline=function(){this.flush(),this.trigger("endedtimeline")},this.reset=function(){e=0,this.trigger("reset")}}).prototype=new hi,ni=function(){var t,e,i,r;ni.prototype.init.call(this),r=this,this.packetsWaitingForPmt=[],this.programMapTable=void 0,t=function(t,r){var s=0;r.payloadUnitStartIndicator&&(s+=t[s]+1),"pat"===r.type?e(t.subarray(s),r):i(t.subarray(s),r)},e=function(t,e){e.section_number=t[7],e.last_section_number=t[8],r.pmtPid=(31&t[10])<<8|t[11],e.pmtPid=r.pmtPid},i=function(t,e){var i,s;if(1&t[5]){for(r.programMapTable={video:null,audio:null,"timed-metadata":{}},i=3+((15&t[1])<<8|t[2])-4,s=12+((15&t[10])<<8|t[11]);s<i;){var n=t[s],a=(31&t[s+1])<<8|t[s+2];n===li.H264_STREAM_TYPE&&null===r.programMapTable.video?r.programMapTable.video=a:n===li.ADTS_STREAM_TYPE&&null===r.programMapTable.audio?r.programMapTable.audio=a:n===li.METADATA_STREAM_TYPE&&(r.programMapTable["timed-metadata"][a]=n),s+=5+((15&t[s+3])<<8|t[s+4])}e.programMapTable=r.programMapTable}},this.push=function(e){var i={},r=4;if(i.payloadUnitStartIndicator=!!(64&e[1]),i.pid=31&e[1],i.pid<<=8,i.pid|=e[2],(48&e[3])>>>4>1&&(r+=e[r]+1),0===i.pid)i.type="pat",t(e.subarray(r),i),this.trigger("data",i);else if(i.pid===this.pmtPid)for(i.type="pmt",t(e.subarray(r),i),this.trigger("data",i);this.packetsWaitingForPmt.length;)this.processPes_.apply(this,this.packetsWaitingForPmt.shift());else void 0===this.programMapTable?this.packetsWaitingForPmt.push([e,r,i]):this.processPes_(e,r,i)},this.processPes_=function(t,e,i){i.pid===this.programMapTable.video?i.streamType=li.H264_STREAM_TYPE:i.pid===this.programMapTable.audio?i.streamType=li.ADTS_STREAM_TYPE:i.streamType=this.programMapTable["timed-metadata"][i.pid],i.type="pes",i.data=t.subarray(e),this.trigger("data",i)}},ni.prototype=new hi,ni.STREAM_TYPES={h264:27,adts:15},ai=function(){var t,e=this,i=!1,r={data:[],size:0},s={data:[],size:0},n={data:[],size:0},a=function(t,i,r){var s,n,a=new Uint8Array(t.size),o={type:i},h=0,d=0;if(t.data.length&&!(t.size<9)){for(o.trackId=t.data[0].pid,h=0;h<t.data.length;h++)n=t.data[h],a.set(n.data,d),d+=n.data.byteLength;var l,p,u,f;p=o,f=(l=a)[0]<<16|l[1]<<8|l[2],p.data=new Uint8Array,1===f&&(p.packetLength=6+(l[4]<<8|l[5]),p.dataAlignmentIndicator=!!(4&l[6]),192&(u=l[7])&&(p.pts=(14&l[9])<<27|(255&l[10])<<20|(254&l[11])<<12|(255&l[12])<<5|(254&l[13])>>>3,p.pts*=4,p.pts+=(6&l[13])>>>1,p.dts=p.pts,64&u&&(p.dts=(14&l[14])<<27|(255&l[15])<<20|(254&l[16])<<12|(255&l[17])<<5|(254&l[18])>>>3,p.dts*=4,p.dts+=(6&l[18])>>>1)),p.data=l.subarray(9+l[8])),s="video"===i||o.packetLength<=t.size,(r||s)&&(t.size=0,t.data.length=0),s&&e.trigger("data",o)}};ai.prototype.init.call(this),this.push=function(o){({pat:function(){},pes:function(){var t,e;switch(o.streamType){case li.H264_STREAM_TYPE:t=r,e="video";break;case li.ADTS_STREAM_TYPE:t=s,e="audio";break;case li.METADATA_STREAM_TYPE:t=n,e="timed-metadata";break;default:return}o.payloadUnitStartIndicator&&a(t,e,!0),t.data.push(o),t.size+=o.data.byteLength},pmt:function(){var r={type:"metadata",tracks:[]};null!==(t=o.programMapTable).video&&r.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+t.video,codec:"avc",type:"video"}),null!==t.audio&&r.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+t.audio,codec:"adts",type:"audio"}),i=!0,e.trigger("data",r)}})[o.type]()},this.reset=function(){r.size=0,r.data.length=0,s.size=0,s.data.length=0,this.trigger("reset")},this.flushStreams_=function(){a(r,"video"),a(s,"audio"),a(n,"timed-metadata")},this.flush=function(){if(!i&&t){var r={type:"metadata",tracks:[]};null!==t.video&&r.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+t.video,codec:"avc",type:"video"}),null!==t.audio&&r.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+t.audio,codec:"adts",type:"audio"}),e.trigger("data",r)}i=!1,this.flushStreams_(),this.trigger("done")}},ai.prototype=new hi;var fi={PAT_PID:0,MP2T_PACKET_LENGTH:ui,TransportPacketStream:si,TransportParseStream:ni,ElementaryStream:ai,TimestampRolloverStream:pi,CaptionStream:di.CaptionStream,Cea608Stream:di.Cea608Stream,Cea708Stream:di.Cea708Stream,MetadataStream:oi};for(var ci in li)li.hasOwnProperty(ci)&&(fi[ci]=li[ci]);var mi,gi=fi,_i=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],yi=function(t,e){var i=t[e+6]<<21|t[e+7]<<14|t[e+8]<<7|t[e+9];return i=i>=0?i:0,(16&t[e+5])>>4?i+20:i+10},bi=function t(e,i){return e.length-i<10||e[i]!=="I".charCodeAt(0)||e[i+1]!=="D".charCodeAt(0)||e[i+2]!=="3".charCodeAt(0)?i:t(e,i+=yi(e,i))},vi=function(t){return t[0]<<21|t[1]<<14|t[2]<<7|t[3]},Si={isLikelyAacData:function(t){var e=bi(t,0);return t.length>=e+2&&!(255&~t[e])&&!(240&~t[e+1])&&16==(22&t[e+1])},parseId3TagSize:yi,parseAdtsSize:function(t,e){var i=(224&t[e+5])>>5,r=t[e+4]<<3;return 6144&t[e+3]|r|i},parseType:function(t,e){return t[e]==="I".charCodeAt(0)&&t[e+1]==="D".charCodeAt(0)&&t[e+2]==="3".charCodeAt(0)?"timed-metadata":!0&t[e]&&!(240&~t[e+1])?"audio":null},parseSampleRate:function(t){for(var e=0;e+5<t.length;){if(255===t[e]&&240==(246&t[e+1]))return _i[(60&t[e+2])>>>2];e++}return null},parseAacTimestamp:function(t){var e,i,r;e=10,64&t[5]&&(e+=4,e+=vi(t.subarray(10,14)));do{if((i=vi(t.subarray(e+4,e+8)))<1)return null;if("PRIV"===String.fromCharCode(t[e],t[e+1],t[e+2],t[e+3])){r=t.subarray(e+10,e+i+10);for(var s=0;s<r.byteLength;s++)if(0===r[s]){var n=unescape(function(t,e,i){var r,s="";for(r=e;r<i;r++)s+="%"+("00"+t[r].toString(16)).slice(-2);return s}(r,0,s));if("com.apple.streaming.transportStreamTimestamp"===n){var a=r.subarray(s+1),o=(1&a[3])<<30|a[4]<<22|a[5]<<14|a[6]<<6|a[7]>>>2;return o*=4,o+=3&a[7]}break}}e+=10,e+=i}while(e<t.byteLength);return null}},wi=Si;(mi=function(){var t=new Uint8Array,e=0;mi.prototype.init.call(this),this.setTimestamp=function(t){e=t},this.push=function(i){var r,s,n,a,o=0,h=0;for(t.length?(a=t.length,(t=new Uint8Array(i.byteLength+a)).set(t.subarray(0,a)),t.set(i,a)):t=i;t.length-h>=3;)if(t[h]!=="I".charCodeAt(0)||t[h+1]!=="D".charCodeAt(0)||t[h+2]!=="3".charCodeAt(0))if(255&~t[h]||240&~t[h+1])h++;else{if(t.length-h<7)break;if(h+(o=wi.parseAdtsSize(t,h))>t.length)break;n={type:"audio",data:t.subarray(h,h+o),pts:e,dts:e},this.trigger("data",n),h+=o}else{if(t.length-h<10)break;if(h+(o=wi.parseId3TagSize(t,h))>t.length)break;s={type:"timed-metadata",data:t.subarray(h,h+o)},this.trigger("data",s),h+=o}r=t.length-h,t=r>0?t.subarray(h):new Uint8Array},this.reset=function(){t=new Uint8Array,this.trigger("reset")},this.endTimeline=function(){t=new Uint8Array,this.trigger("endedtimeline")}}).prototype=new U;var Ui,Ti,xi,Ei,Ai=mi,ki=["audioobjecttype","channelcount","samplerate","samplingfrequencyindex","samplesize"],Ci=["width","height","profileIdc","levelIdc","profileCompatibility","sarRatio"],Ii=U,Bi=Lt,Di=xe,Pi=Be,Li=Pe,zi=gi,Fi=E,Ri=D,Oi=St.H264Stream,Mi=Ai,Ni=Si.isLikelyAacData,Gi=E.ONE_SECOND_IN_TS,Vi=ki,Hi=Ci,Yi=function(t,e){e.stream=t,this.trigger("log",e)},Wi=function(t,e){for(var i=Object.keys(e),r=0;r<i.length;r++){var s=i[r];"headOfPipeline"!==s&&e[s].on&&e[s].on("log",Yi.bind(t,s))}},ji=function(t,e){var i;if(t.length!==e.length)return!1;for(i=0;i<t.length;i++)if(t[i]!==e[i])return!1;return!0},qi=function(t,e,i,r,s,n){return{start:{dts:t,pts:t+(i-e)},end:{dts:t+(r-e),pts:t+(s-i)},prependedContentDuration:n,baseMediaDecodeTime:t}};Ti=function(t,e){var i,r=[],s=0,n=0,a=1/0;i=(e=e||{}).firstSequenceNumber||0,Ti.prototype.init.call(this),this.push=function(e){Li.collectDtsInfo(t,e),t&&Vi.forEach((function(i){t[i]=e[i]})),r.push(e)},this.setEarliestDts=function(t){s=t},this.setVideoBaseMediaDecodeTime=function(t){a=t},this.setAudioAppendStart=function(t){n=t},this.flush=function(){var o,h,d,l,p,u,f;0!==r.length?(o=Pi.trimAdtsFramesByEarliestDts(r,t,s),t.baseMediaDecodeTime=Li.calculateTrackBaseMediaDecodeTime(t,e.keepOriginalTimestamps),f=Pi.prefixWithSilence(t,o,n,a),t.samples=Pi.generateSampleTable(o),d=Bi.mdat(Pi.concatenateFrameData(o)),r=[],h=Bi.moof(i,[t]),l=new Uint8Array(h.byteLength+d.byteLength),i++,l.set(h),l.set(d,h.byteLength),Li.clearDtsInfo(t),p=Math.ceil(1024*Gi/t.samplerate),o.length&&(u=o.length*p,this.trigger("segmentTimingInfo",qi(Fi.audioTsToVideoTs(t.baseMediaDecodeTime,t.samplerate),o[0].dts,o[0].pts,o[0].dts+u,o[0].pts+u,f||0)),this.trigger("timingInfo",{start:o[0].pts,end:o[0].pts+u})),this.trigger("data",{track:t,boxes:l}),this.trigger("done","AudioSegmentStream")):this.trigger("done","AudioSegmentStream")},this.reset=function(){Li.clearDtsInfo(t),r=[],this.trigger("reset")}},Ti.prototype=new Ii,Ui=function(t,e){var i,r,s,n=[],a=[];i=(e=e||{}).firstSequenceNumber||0,Ui.prototype.init.call(this),delete t.minPTS,this.gopCache_=[],this.push=function(e){Li.collectDtsInfo(t,e),"seq_parameter_set_rbsp"!==e.nalUnitType||r||(r=e.config,t.sps=[e.data],Hi.forEach((function(e){t[e]=r[e]}),this)),"pic_parameter_set_rbsp"!==e.nalUnitType||s||(s=e.data,t.pps=[e.data]),n.push(e)},this.flush=function(){for(var r,s,o,h,d,l,p,u,f=0;n.length&&"access_unit_delimiter_rbsp"!==n[0].nalUnitType;)n.shift();if(0===n.length)return this.resetStream_(),void this.trigger("done","VideoSegmentStream");if(r=Di.groupNalsIntoFrames(n),(o=Di.groupFramesIntoGops(r))[0][0].keyFrame||((s=this.getGopForFusion_(n[0],t))?(f=s.duration,o.unshift(s),o.byteLength+=s.byteLength,o.nalCount+=s.nalCount,o.pts=s.pts,o.dts=s.dts,o.duration+=s.duration):o=Di.extendFirstKeyFrame(o)),a.length){var c;if(!(c=e.alignGopsAtEnd?this.alignGopsAtEnd_(o):this.alignGopsAtStart_(o)))return this.gopCache_.unshift({gop:o.pop(),pps:t.pps,sps:t.sps}),this.gopCache_.length=Math.min(6,this.gopCache_.length),n=[],this.resetStream_(),void this.trigger("done","VideoSegmentStream");Li.clearDtsInfo(t),o=c}Li.collectDtsInfo(t,o),t.samples=Di.generateSampleTable(o),d=Bi.mdat(Di.concatenateNalData(o)),t.baseMediaDecodeTime=Li.calculateTrackBaseMediaDecodeTime(t,e.keepOriginalTimestamps),this.trigger("processedGopsInfo",o.map((function(t){return{pts:t.pts,dts:t.dts,byteLength:t.byteLength}}))),p=o[0],u=o[o.length-1],this.trigger("segmentTimingInfo",qi(t.baseMediaDecodeTime,p.dts,p.pts,u.dts+u.duration,u.pts+u.duration,f)),this.trigger("timingInfo",{start:o[0].pts,end:o[o.length-1].pts+o[o.length-1].duration}),this.gopCache_.unshift({gop:o.pop(),pps:t.pps,sps:t.sps}),this.gopCache_.length=Math.min(6,this.gopCache_.length),n=[],this.trigger("baseMediaDecodeTime",t.baseMediaDecodeTime),this.trigger("timelineStartInfo",t.timelineStartInfo),h=Bi.moof(i,[t]),l=new Uint8Array(h.byteLength+d.byteLength),i++,l.set(h),l.set(d,h.byteLength),this.trigger("data",{track:t,boxes:l}),this.resetStream_(),this.trigger("done","VideoSegmentStream")},this.reset=function(){this.resetStream_(),n=[],this.gopCache_.length=0,a.length=0,this.trigger("reset")},this.resetStream_=function(){Li.clearDtsInfo(t),r=void 0,s=void 0},this.getGopForFusion_=function(e){var i,r,s,n,a,o=1/0;for(a=0;a<this.gopCache_.length;a++)s=(n=this.gopCache_[a]).gop,t.pps&&ji(t.pps[0],n.pps[0])&&t.sps&&ji(t.sps[0],n.sps[0])&&(s.dts<t.timelineStartInfo.dts||(i=e.dts-s.dts-s.duration)>=-1e4&&i<=45e3&&(!r||o>i)&&(r=n,o=i));return r?r.gop:null},this.alignGopsAtStart_=function(t){var e,i,r,s,n,o,h,d;for(n=t.byteLength,o=t.nalCount,h=t.duration,e=i=0;e<a.length&&i<t.length&&(r=a[e],s=t[i],r.pts!==s.pts);)s.pts>r.pts?e++:(i++,n-=s.byteLength,o-=s.nalCount,h-=s.duration);return 0===i?t:i===t.length?null:((d=t.slice(i)).byteLength=n,d.duration=h,d.nalCount=o,d.pts=d[0].pts,d.dts=d[0].dts,d)},this.alignGopsAtEnd_=function(t){var e,i,r,s,n,o,h;for(e=a.length-1,i=t.length-1,n=null,o=!1;e>=0&&i>=0;){if(r=a[e],s=t[i],r.pts===s.pts){o=!0;break}r.pts>s.pts?e--:(e===a.length-1&&(n=i),i--)}if(!o&&null===n)return null;if(0===(h=o?i:n))return t;var d=t.slice(h),l=d.reduce((function(t,e){return t.byteLength+=e.byteLength,t.duration+=e.duration,t.nalCount+=e.nalCount,t}),{byteLength:0,duration:0,nalCount:0});return d.byteLength=l.byteLength,d.duration=l.duration,d.nalCount=l.nalCount,d.pts=d[0].pts,d.dts=d[0].dts,d},this.alignGopsWith=function(t){a=t}},Ui.prototype=new Ii,Ei=function(t,e){this.numberOfTracks=0,this.metadataStream=e,void 0!==(t=t||{}).remux?this.remuxTracks=!!t.remux:this.remuxTracks=!0,"boolean"==typeof t.keepOriginalTimestamps?this.keepOriginalTimestamps=t.keepOriginalTimestamps:this.keepOriginalTimestamps=!1,this.pendingTracks=[],this.videoTrack=null,this.pendingBoxes=[],this.pendingCaptions=[],this.pendingMetadata=[],this.pendingBytes=0,this.emittedTracks=0,Ei.prototype.init.call(this),this.push=function(t){return t.content||t.text?this.pendingCaptions.push(t):t.frames?this.pendingMetadata.push(t):(this.pendingTracks.push(t.track),this.pendingBytes+=t.boxes.byteLength,"video"===t.track.type&&(this.videoTrack=t.track,this.pendingBoxes.push(t.boxes)),void("audio"===t.track.type&&(this.audioTrack=t.track,this.pendingBoxes.unshift(t.boxes))))}},Ei.prototype=new Ii,Ei.prototype.flush=function(t){var e,i,r,s,n=0,a={captions:[],captionStreams:{},metadata:[],info:{}},o=0;if(this.pendingTracks.length<this.numberOfTracks){if("VideoSegmentStream"!==t&&"AudioSegmentStream"!==t)return;if(this.remuxTracks)return;if(0===this.pendingTracks.length)return this.emittedTracks++,void(this.emittedTracks>=this.numberOfTracks&&(this.trigger("done"),this.emittedTracks=0))}if(this.videoTrack?(o=this.videoTrack.timelineStartInfo.pts,Hi.forEach((function(t){a.info[t]=this.videoTrack[t]}),this)):this.audioTrack&&(o=this.audioTrack.timelineStartInfo.pts,Vi.forEach((function(t){a.info[t]=this.audioTrack[t]}),this)),this.videoTrack||this.audioTrack){for(1===this.pendingTracks.length?a.type=this.pendingTracks[0].type:a.type="combined",this.emittedTracks+=this.pendingTracks.length,r=Bi.initSegment(this.pendingTracks),a.initSegment=new Uint8Array(r.byteLength),a.initSegment.set(r),a.data=new Uint8Array(this.pendingBytes),s=0;s<this.pendingBoxes.length;s++)a.data.set(this.pendingBoxes[s],n),n+=this.pendingBoxes[s].byteLength;for(s=0;s<this.pendingCaptions.length;s++)(e=this.pendingCaptions[s]).startTime=Fi.metadataTsToSeconds(e.startPts,o,this.keepOriginalTimestamps),e.endTime=Fi.metadataTsToSeconds(e.endPts,o,this.keepOriginalTimestamps),a.captionStreams[e.stream]=!0,a.captions.push(e);for(s=0;s<this.pendingMetadata.length;s++)(i=this.pendingMetadata[s]).cueTime=Fi.metadataTsToSeconds(i.pts,o,this.keepOriginalTimestamps),a.metadata.push(i);for(a.metadata.dispatchType=this.metadataStream.dispatchType,this.pendingTracks.length=0,this.videoTrack=null,this.pendingBoxes.length=0,this.pendingCaptions.length=0,this.pendingBytes=0,this.pendingMetadata.length=0,this.trigger("data",a),s=0;s<a.captions.length;s++)e=a.captions[s],this.trigger("caption",e);for(s=0;s<a.metadata.length;s++)i=a.metadata[s],this.trigger("id3Frame",i)}this.emittedTracks>=this.numberOfTracks&&(this.trigger("done"),this.emittedTracks=0)},Ei.prototype.setRemux=function(t){this.remuxTracks=t},(xi=function(t){var e,i,r=this,s=!0;xi.prototype.init.call(this),t=t||{},this.baseMediaDecodeTime=t.baseMediaDecodeTime||0,this.transmuxPipeline_={},this.setupAacPipeline=function(){var s={};this.transmuxPipeline_=s,s.type="aac",s.metadataStream=new zi.MetadataStream,s.aacStream=new Mi,s.audioTimestampRolloverStream=new zi.TimestampRolloverStream("audio"),s.timedMetadataTimestampRolloverStream=new zi.TimestampRolloverStream("timed-metadata"),s.adtsStream=new Ri,s.coalesceStream=new Ei(t,s.metadataStream),s.headOfPipeline=s.aacStream,s.aacStream.pipe(s.audioTimestampRolloverStream).pipe(s.adtsStream),s.aacStream.pipe(s.timedMetadataTimestampRolloverStream).pipe(s.metadataStream).pipe(s.coalesceStream),s.metadataStream.on("timestamp",(function(t){s.aacStream.setTimestamp(t.timeStamp)})),s.aacStream.on("data",(function(n){"timed-metadata"!==n.type&&"audio"!==n.type||s.audioSegmentStream||(i=i||{timelineStartInfo:{baseMediaDecodeTime:r.baseMediaDecodeTime},codec:"adts",type:"audio"},s.coalesceStream.numberOfTracks++,s.audioSegmentStream=new Ti(i,t),s.audioSegmentStream.on("log",r.getLogTrigger_("audioSegmentStream")),s.audioSegmentStream.on("timingInfo",r.trigger.bind(r,"audioTimingInfo")),s.adtsStream.pipe(s.audioSegmentStream).pipe(s.coalesceStream),r.trigger("trackinfo",{hasAudio:!!i,hasVideo:!!e}))})),s.coalesceStream.on("data",this.trigger.bind(this,"data")),s.coalesceStream.on("done",this.trigger.bind(this,"done")),Wi(this,s)},this.setupTsPipeline=function(){var s={};this.transmuxPipeline_=s,s.type="ts",s.metadataStream=new zi.MetadataStream,s.packetStream=new zi.TransportPacketStream,s.parseStream=new zi.TransportParseStream,s.elementaryStream=new zi.ElementaryStream,s.timestampRolloverStream=new zi.TimestampRolloverStream,s.adtsStream=new Ri,s.h264Stream=new Oi,s.captionStream=new zi.CaptionStream(t),s.coalesceStream=new Ei(t,s.metadataStream),s.headOfPipeline=s.packetStream,s.packetStream.pipe(s.parseStream).pipe(s.elementaryStream).pipe(s.timestampRolloverStream),s.timestampRolloverStream.pipe(s.h264Stream),s.timestampRolloverStream.pipe(s.adtsStream),s.timestampRolloverStream.pipe(s.metadataStream).pipe(s.coalesceStream),s.h264Stream.pipe(s.captionStream).pipe(s.coalesceStream),s.elementaryStream.on("data",(function(n){var a;if("metadata"===n.type){for(a=n.tracks.length;a--;)e||"video"!==n.tracks[a].type?i||"audio"!==n.tracks[a].type||((i=n.tracks[a]).timelineStartInfo.baseMediaDecodeTime=r.baseMediaDecodeTime):(e=n.tracks[a]).timelineStartInfo.baseMediaDecodeTime=r.baseMediaDecodeTime;e&&!s.videoSegmentStream&&(s.coalesceStream.numberOfTracks++,s.videoSegmentStream=new Ui(e,t),s.videoSegmentStream.on("log",r.getLogTrigger_("videoSegmentStream")),s.videoSegmentStream.on("timelineStartInfo",(function(e){i&&!t.keepOriginalTimestamps&&(i.timelineStartInfo=e,s.audioSegmentStream.setEarliestDts(e.dts-r.baseMediaDecodeTime))})),s.videoSegmentStream.on("processedGopsInfo",r.trigger.bind(r,"gopInfo")),s.videoSegmentStream.on("segmentTimingInfo",r.trigger.bind(r,"videoSegmentTimingInfo")),s.videoSegmentStream.on("baseMediaDecodeTime",(function(t){i&&s.audioSegmentStream.setVideoBaseMediaDecodeTime(t)})),s.videoSegmentStream.on("timingInfo",r.trigger.bind(r,"videoTimingInfo")),s.h264Stream.pipe(s.videoSegmentStream).pipe(s.coalesceStream)),i&&!s.audioSegmentStream&&(s.coalesceStream.numberOfTracks++,s.audioSegmentStream=new Ti(i,t),s.audioSegmentStream.on("log",r.getLogTrigger_("audioSegmentStream")),s.audioSegmentStream.on("timingInfo",r.trigger.bind(r,"audioTimingInfo")),s.audioSegmentStream.on("segmentTimingInfo",r.trigger.bind(r,"audioSegmentTimingInfo")),s.adtsStream.pipe(s.audioSegmentStream).pipe(s.coalesceStream)),r.trigger("trackinfo",{hasAudio:!!i,hasVideo:!!e})}})),s.coalesceStream.on("data",this.trigger.bind(this,"data")),s.coalesceStream.on("id3Frame",(function(t){t.dispatchType=s.metadataStream.dispatchType,r.trigger("id3Frame",t)})),s.coalesceStream.on("caption",this.trigger.bind(this,"caption")),s.coalesceStream.on("done",this.trigger.bind(this,"done")),Wi(this,s)},this.setBaseMediaDecodeTime=function(r){var s=this.transmuxPipeline_;t.keepOriginalTimestamps||(this.baseMediaDecodeTime=r),i&&(i.timelineStartInfo.dts=void 0,i.timelineStartInfo.pts=void 0,Li.clearDtsInfo(i),s.audioTimestampRolloverStream&&s.audioTimestampRolloverStream.discontinuity()),e&&(s.videoSegmentStream&&(s.videoSegmentStream.gopCache_=[]),e.timelineStartInfo.dts=void 0,e.timelineStartInfo.pts=void 0,Li.clearDtsInfo(e),s.captionStream.reset()),s.timestampRolloverStream&&s.timestampRolloverStream.discontinuity()},this.setAudioAppendStart=function(t){i&&this.transmuxPipeline_.audioSegmentStream.setAudioAppendStart(t)},this.setRemux=function(e){var i=this.transmuxPipeline_;t.remux=e,i&&i.coalesceStream&&i.coalesceStream.setRemux(e)},this.alignGopsWith=function(t){e&&this.transmuxPipeline_.videoSegmentStream&&this.transmuxPipeline_.videoSegmentStream.alignGopsWith(t)},this.getLogTrigger_=function(t){var e=this;return function(i){i.stream=t,e.trigger("log",i)}},this.push=function(t){if(s){var e=Ni(t);e&&"aac"!==this.transmuxPipeline_.type?this.setupAacPipeline():e||"ts"===this.transmuxPipeline_.type||this.setupTsPipeline(),s=!1}this.transmuxPipeline_.headOfPipeline.push(t)},this.flush=function(){s=!0,this.transmuxPipeline_.headOfPipeline.flush()},this.endTimeline=function(){this.transmuxPipeline_.headOfPipeline.endTimeline()},this.reset=function(){this.transmuxPipeline_.headOfPipeline&&this.transmuxPipeline_.headOfPipeline.reset()},this.resetCaptions=function(){this.transmuxPipeline_.captionStream&&this.transmuxPipeline_.captionStream.reset()}}).prototype=new Ii;var Ki,Xi={Transmuxer:xi,VideoSegmentStream:Ui,AudioSegmentStream:Ti,AUDIO_PROPERTIES:Vi,VIDEO_PROPERTIES:Hi,generateSegmentTimingInfo:qi},Zi=Le.discardEmulationPreventionBytes,Qi=Ke.CaptionStream,$i=Mt,Ji=qt(),tr=jt(),er=Wt(),ir=ee,rr=function(t,e){for(var i=t,r=0;r<e.length;r++){var s=e[r];if(i<s.size)return s;i-=s.size}return null},sr=function(t,e){var i=$i(t,["moof","traf"]),r=$i(t,["mdat"]),s={},n=[];return r.forEach((function(t,e){var r=i[e];n.push({mdat:t,traf:r})})),n.forEach((function(t){var i,r,n=t.mdat,a=t.traf,o=$i(a,["tfhd"]),h=er(o[0]),d=h.trackId,l=$i(a,["tfdt"]),p=l.length>0?Ji(l[0]).baseMediaDecodeTime:0,u=$i(a,["trun"]);e===d&&u.length>0&&(i=function(t,e,i){var r=e,s=i.defaultSampleDuration||0,n=i.defaultSampleSize||0,a=i.trackId,o=[];return t.forEach((function(t){var e=tr(t).samples;e.forEach((function(t){void 0===t.duration&&(t.duration=s),void 0===t.size&&(t.size=n),t.trackId=a,t.dts=r,void 0===t.compositionTimeOffset&&(t.compositionTimeOffset=0),"bigint"==typeof r?(t.pts=r+ir.BigInt(t.compositionTimeOffset),r+=ir.BigInt(t.duration)):(t.pts=r+t.compositionTimeOffset,r+=t.duration)})),o=o.concat(e)})),o}(u,p,h),r=function(t,e,i){var r,s,n,a,o=new DataView(t.buffer,t.byteOffset,t.byteLength),h={logs:[],seiNals:[]};for(s=0;s+4<t.length;s+=n)if(n=o.getUint32(s),s+=4,!(n<=0))switch(31&t[s]){case 6:var d=t.subarray(s+1,s+1+n),l=rr(s,e);if(r={nalUnitType:"sei_rbsp",size:n,data:d,escapedRBSP:Zi(d),trackId:i},l)r.pts=l.pts,r.dts=l.dts,a=l;else{if(!a){h.logs.push({level:"warn",message:"We've encountered a nal unit without data at "+s+" for trackId "+i+". See mux.js#223."});break}r.pts=a.pts,r.dts=a.dts}h.seiNals.push(r)}return h}(n,i,d),s[d]||(s[d]={seiNals:[],logs:[]}),s[d].seiNals=s[d].seiNals.concat(r.seiNals),s[d].logs=s[d].logs.concat(r.logs))})),s},nr=function(){var t,e,i,r,s,n,a=!1;this.isInitialized=function(){return a},this.init=function(e){t=new Qi,a=!0,n=!!e&&e.isPartial,t.on("data",(function(t){t.startTime=t.startPts/r,t.endTime=t.endPts/r,s.captions.push(t),s.captionStreams[t.stream]=!0})),t.on("log",(function(t){s.logs.push(t)}))},this.isNewInit=function(t,e){return!(t&&0===t.length||e&&"object"==typeof e&&0===Object.keys(e).length)&&(i!==t[0]||r!==e[i])},this.parse=function(t,n,a){var o;if(!this.isInitialized())return null;if(!n||!a)return null;if(this.isNewInit(n,a))i=n[0],r=a[i];else if(null===i||!r)return e.push(t),null;for(;e.length>0;){var h=e.shift();this.parse(h,n,a)}return o=function(t,e,i){if(null===e)return null;var r=sr(t,e)[e]||{};return{seiNals:r.seiNals,logs:r.logs,timescale:i}}(t,i,r),o&&o.logs&&(s.logs=s.logs.concat(o.logs)),null!==o&&o.seiNals?(this.pushNals(o.seiNals),this.flushStream(),s):s.logs.length?{logs:s.logs,captions:[],captionStreams:[]}:null},this.pushNals=function(e){if(!this.isInitialized()||!e||0===e.length)return null;e.forEach((function(e){t.push(e)}))},this.flushStream=function(){if(!this.isInitialized())return null;n?t.partialFlush():t.flush()},this.clearParsedCaptions=function(){s.captions=[],s.captionStreams={},s.logs=[]},this.resetCaptionStream=function(){if(!this.isInitialized())return null;t.reset()},this.clearAllCaptions=function(){this.clearParsedCaptions(),this.resetCaptionStream()},this.reset=function(){e=[],i=null,r=null,s?this.clearParsedCaptions():s={captions:[],captionStreams:{},logs:[]},this.resetCaptionStream()},this.reset()},ar={generator:Lt,probe:Ue,Transmuxer:Xi.Transmuxer,AudioSegmentStream:Xi.AudioSegmentStream,VideoSegmentStream:Xi.VideoSegmentStream,CaptionParser:nr};Ki=function(t,e){var i,r=0,s=16384,n=function(t,e){var i,r=t.position+e;r<t.bytes.byteLength||((i=new Uint8Array(2*r)).set(t.bytes.subarray(0,t.position),0),t.bytes=i,t.view=new DataView(t.bytes.buffer))},a=Ki.widthBytes||new Uint8Array(5),o=Ki.heightBytes||new Uint8Array(6),h=Ki.videocodecidBytes||new Uint8Array(12);if(!Ki.widthBytes){for(i=0;i<5;i++)a[i]="width".charCodeAt(i);for(i=0;i<6;i++)o[i]="height".charCodeAt(i);for(i=0;i<12;i++)h[i]="videocodecid".charCodeAt(i);Ki.widthBytes=a,Ki.heightBytes=o,Ki.videocodecidBytes=h}switch(this.keyFrame=!1,t){case Ki.VIDEO_TAG:this.length=16,s*=6;break;case Ki.AUDIO_TAG:this.length=13,this.keyFrame=!0;break;case Ki.METADATA_TAG:this.length=29,this.keyFrame=!0;break;default:throw new Error("Unknown FLV tag type")}this.bytes=new Uint8Array(s),this.view=new DataView(this.bytes.buffer),this.bytes[0]=t,this.position=this.length,this.keyFrame=e,this.pts=0,this.dts=0,this.writeBytes=function(t,e,i){var r,s=e||0;r=s+(i=i||t.byteLength),n(this,i),this.bytes.set(t.subarray(s,r),this.position),this.position+=i,this.length=Math.max(this.length,this.position)},this.writeByte=function(t){n(this,1),this.bytes[this.position]=t,this.position++,this.length=Math.max(this.length,this.position)},this.writeShort=function(t){n(this,2),this.view.setUint16(this.position,t),this.position+=2,this.length=Math.max(this.length,this.position)},this.negIndex=function(t){return this.bytes[this.length-t]},this.nalUnitSize=function(){return 0===r?0:this.length-(r+4)},this.startNalUnit=function(){if(r>0)throw new Error("Attempted to create new NAL wihout closing the old one");r=this.length,this.length+=4,this.position=this.length},this.endNalUnit=function(t){var e,i;this.length===r+4?this.length-=4:r>0&&(e=r+4,i=this.length-e,this.position=r,this.view.setUint32(this.position,i),this.position=this.length,t&&t.push(this.bytes.subarray(e,e+i))),r=0},this.writeMetaDataDouble=function(t,e){var i;if(n(this,2+t.length+9),this.view.setUint16(this.position,t.length),this.position+=2,"width"===t)this.bytes.set(a,this.position),this.position+=5;else if("height"===t)this.bytes.set(o,this.position),this.position+=6;else if("videocodecid"===t)this.bytes.set(h,this.position),this.position+=12;else for(i=0;i<t.length;i++)this.bytes[this.position]=t.charCodeAt(i),this.position++;this.position++,this.view.setFloat64(this.position,e),this.position+=8,this.length=Math.max(this.length,this.position),++r},this.writeMetaDataBoolean=function(t,e){var i;for(n(this,2),this.view.setUint16(this.position,t.length),this.position+=2,i=0;i<t.length;i++)n(this,1),this.bytes[this.position]=t.charCodeAt(i),this.position++;n(this,2),this.view.setUint8(this.position,1),this.position++,this.view.setUint8(this.position,e?1:0),this.position++,this.length=Math.max(this.length,this.position),++r},this.finalize=function(){var t,i;switch(this.bytes[0]){case Ki.VIDEO_TAG:this.bytes[11]=7|(this.keyFrame||e?16:32),this.bytes[12]=e?0:1,t=this.pts-this.dts,this.bytes[13]=(16711680&t)>>>16,this.bytes[14]=(65280&t)>>>8,this.bytes[15]=(255&t)>>>0;break;case Ki.AUDIO_TAG:this.bytes[11]=175,this.bytes[12]=e?0:1;break;case Ki.METADATA_TAG:this.position=11,this.view.setUint8(this.position,2),this.position++,this.view.setUint16(this.position,10),this.position+=2,this.bytes.set([111,110,77,101,116,97,68,97,116,97],this.position),this.position+=10,this.bytes[this.position]=8,this.position++,this.view.setUint32(this.position,r),this.position=this.length,this.bytes.set([0,0,9],this.position),this.position+=3,this.length=this.position}return i=this.length-11,this.bytes[1]=(16711680&i)>>>16,this.bytes[2]=(65280&i)>>>8,this.bytes[3]=(255&i)>>>0,this.bytes[4]=(16711680&this.dts)>>>16,this.bytes[5]=(65280&this.dts)>>>8,this.bytes[6]=(255&this.dts)>>>0,this.bytes[7]=(4278190080&this.dts)>>>24,this.bytes[8]=0,this.bytes[9]=0,this.bytes[10]=0,n(this,4),this.view.setUint32(this.length,this.length),this.length+=4,this.position+=4,this.bytes=this.bytes.subarray(0,this.length),this.frameTime=Ki.frameTime(this.bytes),this}},Ki.AUDIO_TAG=8,Ki.VIDEO_TAG=9,Ki.METADATA_TAG=18,Ki.isAudioFrame=function(t){return Ki.AUDIO_TAG===t[0]},Ki.isVideoFrame=function(t){return Ki.VIDEO_TAG===t[0]},Ki.isMetaData=function(t){return Ki.METADATA_TAG===t[0]},Ki.isKeyFrame=function(t){return Ki.isVideoFrame(t)?23===t[11]:!!Ki.isAudioFrame(t)||!!Ki.isMetaData(t)},Ki.frameTime=function(t){var e=t[4]<<16;return e|=t[5]<<8,e|=t[6]|0,e|=t[7]<<24};var or=Ki,hr=function t(e){this.numberOfTracks=0,this.metadataStream=e.metadataStream,this.videoTags=[],this.audioTags=[],this.videoTrack=null,this.audioTrack=null,this.pendingCaptions=[],this.pendingMetadata=[],this.pendingTracks=0,this.processedTracks=0,t.prototype.init.call(this),this.push=function(t){return t.content||t.text?this.pendingCaptions.push(t):t.frames?this.pendingMetadata.push(t):("video"===t.track.type&&(this.videoTrack=t.track,this.videoTags=t.tags,this.pendingTracks++),void("audio"===t.track.type&&(this.audioTrack=t.track,this.audioTags=t.tags,this.pendingTracks++)))}};(hr.prototype=new U).flush=function(t){var e,i,r,s,n={tags:{},captions:[],captionStreams:{},metadata:[]};if(this.pendingTracks<this.numberOfTracks){if("VideoSegmentStream"!==t&&"AudioSegmentStream"!==t)return;if(0===this.pendingTracks&&(this.processedTracks++,this.processedTracks<this.numberOfTracks))return}if(this.processedTracks+=this.pendingTracks,this.pendingTracks=0,!(this.processedTracks<this.numberOfTracks)){for(this.videoTrack?s=this.videoTrack.timelineStartInfo.pts:this.audioTrack&&(s=this.audioTrack.timelineStartInfo.pts),n.tags.videoTags=this.videoTags,n.tags.audioTags=this.audioTags,r=0;r<this.pendingCaptions.length;r++)(i=this.pendingCaptions[r]).startTime=i.startPts-s,i.startTime/=9e4,i.endTime=i.endPts-s,i.endTime/=9e4,n.captionStreams[i.stream]=!0,n.captions.push(i);for(r=0;r<this.pendingMetadata.length;r++)(e=this.pendingMetadata[r]).cueTime=e.pts-s,e.cueTime/=9e4,n.metadata.push(e);n.metadata.dispatchType=this.metadataStream.dispatchType,this.videoTrack=null,this.audioTrack=null,this.videoTags=[],this.audioTags=[],this.pendingCaptions.length=0,this.pendingMetadata.length=0,this.pendingTracks=0,this.processedTracks=0,this.trigger("data",n),this.trigger("done")}};var dr,lr,pr,ur,fr,cr,mr=U,gr=or,_r=gi,yr=D,br=St.H264Stream,vr=hr,Sr=function(){var t=this;this.list=[],this.push=function(t){this.list.push({bytes:t.bytes,dts:t.dts,pts:t.pts,keyFrame:t.keyFrame,metaDataTag:t.metaDataTag})},Object.defineProperty(this,"length",{get:function(){return t.list.length}})};ur=function(t,e){"number"==typeof e.pts&&(void 0===t.timelineStartInfo.pts?t.timelineStartInfo.pts=e.pts:t.timelineStartInfo.pts=Math.min(t.timelineStartInfo.pts,e.pts)),"number"==typeof e.dts&&(void 0===t.timelineStartInfo.dts?t.timelineStartInfo.dts=e.dts:t.timelineStartInfo.dts=Math.min(t.timelineStartInfo.dts,e.dts))},fr=function(t,e){var i=new gr(gr.METADATA_TAG);return i.dts=e,i.pts=e,i.writeMetaDataDouble("videocodecid",7),i.writeMetaDataDouble("width",t.width),i.writeMetaDataDouble("height",t.height),i},cr=function(t,e){var i,r=new gr(gr.VIDEO_TAG,!0);for(r.dts=e,r.pts=e,r.writeByte(1),r.writeByte(t.profileIdc),r.writeByte(t.profileCompatibility),r.writeByte(t.levelIdc),r.writeByte(255),r.writeByte(225),r.writeShort(t.sps[0].length),r.writeBytes(t.sps[0]),r.writeByte(t.pps.length),i=0;i<t.pps.length;++i)r.writeShort(t.pps[i].length),r.writeBytes(t.pps[i]);return r},(pr=function(t){var e,i=[],r=[];pr.prototype.init.call(this),this.push=function(e){ur(t,e),t&&(t.audioobjecttype=e.audioobjecttype,t.channelcount=e.channelcount,t.samplerate=e.samplerate,t.samplingfrequencyindex=e.samplingfrequencyindex,t.samplesize=e.samplesize,t.extraData=t.audioobjecttype<<11|t.samplingfrequencyindex<<7|t.channelcount<<3),e.pts=Math.round(e.pts/90),e.dts=Math.round(e.dts/90),i.push(e)},this.flush=function(){var s,n,a,o=new Sr;if(0!==i.length){for(a=-1/0;i.length;)s=i.shift(),r.length&&s.pts>=r[0]&&(a=r.shift(),this.writeMetaDataTags(o,a)),(t.extraData!==e||s.pts-a>=1e3)&&(this.writeMetaDataTags(o,s.pts),e=t.extraData,a=s.pts),(n=new gr(gr.AUDIO_TAG)).pts=s.pts,n.dts=s.dts,n.writeBytes(s.data),o.push(n.finalize());r.length=0,e=null,this.trigger("data",{track:t,tags:o.list}),this.trigger("done","AudioSegmentStream")}else this.trigger("done","AudioSegmentStream")},this.writeMetaDataTags=function(e,i){var r;(r=new gr(gr.METADATA_TAG)).pts=i,r.dts=i,r.writeMetaDataDouble("audiocodecid",10),r.writeMetaDataBoolean("stereo",2===t.channelcount),r.writeMetaDataDouble("audiosamplerate",t.samplerate),r.writeMetaDataDouble("audiosamplesize",16),e.push(r.finalize()),(r=new gr(gr.AUDIO_TAG,!0)).pts=i,r.dts=i,r.view.setUint16(r.position,t.extraData),r.position+=2,r.length=Math.max(r.length,r.position),e.push(r.finalize())},this.onVideoKeyFrame=function(t){r.push(t)}}).prototype=new mr,(lr=function(t){var e,i,r=[];lr.prototype.init.call(this),this.finishFrame=function(r,s){if(s){if(e&&t&&t.newMetadata&&(s.keyFrame||0===r.length)){var n=fr(e,s.dts).finalize(),a=cr(t,s.dts).finalize();n.metaDataTag=a.metaDataTag=!0,r.push(n),r.push(a),t.newMetadata=!1,this.trigger("keyframe",s.dts)}s.endNalUnit(),r.push(s.finalize()),i=null}},this.push=function(e){ur(t,e),e.pts=Math.round(e.pts/90),e.dts=Math.round(e.dts/90),r.push(e)},this.flush=function(){for(var s,n=new Sr;r.length&&"access_unit_delimiter_rbsp"!==r[0].nalUnitType;)r.shift();if(0!==r.length){for(;r.length;)"seq_parameter_set_rbsp"===(s=r.shift()).nalUnitType?(t.newMetadata=!0,e=s.config,t.width=e.width,t.height=e.height,t.sps=[s.data],t.profileIdc=e.profileIdc,t.levelIdc=e.levelIdc,t.profileCompatibility=e.profileCompatibility,i.endNalUnit()):"pic_parameter_set_rbsp"===s.nalUnitType?(t.newMetadata=!0,t.pps=[s.data],i.endNalUnit()):"access_unit_delimiter_rbsp"===s.nalUnitType?(i&&this.finishFrame(n,i),(i=new gr(gr.VIDEO_TAG)).pts=s.pts,i.dts=s.dts):("slice_layer_without_partitioning_rbsp_idr"===s.nalUnitType&&(i.keyFrame=!0),i.endNalUnit()),i.startNalUnit(),i.writeBytes(s.data);i&&this.finishFrame(n,i),this.trigger("data",{track:t,tags:n.list}),this.trigger("done","VideoSegmentStream")}else this.trigger("done","VideoSegmentStream")}}).prototype=new mr,dr=function(t){var e,i,r,s,n,a,o,h,d,l,p,u,f=this;dr.prototype.init.call(this),t=t||{},this.metadataStream=new _r.MetadataStream,t.metadataStream=this.metadataStream,e=new _r.TransportPacketStream,i=new _r.TransportParseStream,r=new _r.ElementaryStream,s=new _r.TimestampRolloverStream("video"),n=new _r.TimestampRolloverStream("audio"),a=new _r.TimestampRolloverStream("timed-metadata"),o=new yr,h=new br,u=new vr(t),e.pipe(i).pipe(r),r.pipe(s).pipe(h),r.pipe(n).pipe(o),r.pipe(a).pipe(this.metadataStream).pipe(u),p=new _r.CaptionStream(t),h.pipe(p).pipe(u),r.on("data",(function(t){var e,i,r;if("metadata"===t.type){for(e=t.tracks.length;e--;)"video"===t.tracks[e].type?i=t.tracks[e]:"audio"===t.tracks[e].type&&(r=t.tracks[e]);i&&!d&&(u.numberOfTracks++,d=new lr(i),h.pipe(d).pipe(u)),r&&!l&&(u.numberOfTracks++,l=new pr(r),o.pipe(l).pipe(u),d&&d.on("keyframe",l.onVideoKeyFrame))}})),this.push=function(t){e.push(t)},this.flush=function(){e.flush()},this.resetCaptions=function(){p.reset()},u.on("data",(function(t){f.trigger("data",t)})),u.on("done",(function(){f.trigger("done")}))},dr.prototype=new mr;var wr=or,Ur={tag:or,Transmuxer:dr,getFlvHeader:function(t,e,i){var r,s,n,a=new Uint8Array(9),o=new DataView(a.buffer);return t=t||0,e=void 0===e||e,i=void 0===i||i,o.setUint8(0,70),o.setUint8(1,76),o.setUint8(2,86),o.setUint8(3,1),o.setUint8(4,(e?4:0)|(i?1:0)),o.setUint32(5,a.byteLength),t<=0?((s=new Uint8Array(a.byteLength+4)).set(a),s.set([0,0,0,0],a.byteLength),s):((r=new wr(wr.METADATA_TAG)).pts=r.dts=0,r.writeMetaDataDouble("duration",t),n=r.finalize().length,(s=new Uint8Array(a.byteLength+n)).set(a),s.set(o.byteLength,n),s)}},Tr=gi,xr=Lt,Er=Be,Ar=Pe,kr=E.ONE_SECOND_IN_TS,Cr=ki,Ir=function t(e,i){var r=[],s=0,n=0,a=0,o=1/0,h=null,d=null;i=i||{},t.prototype.init.call(this),this.push=function(t){Ar.collectDtsInfo(e,t),e&&Cr.forEach((function(i){e[i]=t[i]})),r.push(t)},this.setEarliestDts=function(t){n=t},this.setVideoBaseMediaDecodeTime=function(t){o=t},this.setAudioAppendStart=function(t){a=t},this.processFrames_=function(){var t,l,p,u,f;0!==r.length&&0!==(t=Er.trimAdtsFramesByEarliestDts(r,e,n)).length&&(e.baseMediaDecodeTime=Ar.calculateTrackBaseMediaDecodeTime(e,i.keepOriginalTimestamps),Er.prefixWithSilence(e,t,a,o),e.samples=Er.generateSampleTable(t),p=xr.mdat(Er.concatenateFrameData(t)),r=[],l=xr.moof(s,[e]),s++,e.initSegment=xr.initSegment([e]),(u=new Uint8Array(l.byteLength+p.byteLength)).set(l),u.set(p,l.byteLength),Ar.clearDtsInfo(e),null===h&&(d=h=t[0].pts),d+=t.length*(1024*kr/e.samplerate),f={start:h},this.trigger("timingInfo",f),this.trigger("data",{track:e,boxes:u}))},this.flush=function(){this.processFrames_(),this.trigger("timingInfo",{start:h,end:d}),this.resetTiming_(),this.trigger("done","AudioSegmentStream")},this.partialFlush=function(){this.processFrames_(),this.trigger("partialdone","AudioSegmentStream")},this.endTimeline=function(){this.flush(),this.trigger("endedtimeline","AudioSegmentStream")},this.resetTiming_=function(){Ar.clearDtsInfo(e),h=null,d=null},this.reset=function(){this.resetTiming_(),r=[],this.trigger("reset")}};Ir.prototype=new U;var Br=Ir,Dr=Lt,Pr=Pe,Lr=xe,zr=Ci,Fr=function t(e,i){var r,s,n,a=0,o=[],h=[],d=null,l=null,p=!0;i=i||{},t.prototype.init.call(this),this.push=function(t){Pr.collectDtsInfo(e,t),void 0===e.timelineStartInfo.dts&&(e.timelineStartInfo.dts=t.dts),"seq_parameter_set_rbsp"!==t.nalUnitType||r||(r=t.config,e.sps=[t.data],zr.forEach((function(t){e[t]=r[t]}),this)),"pic_parameter_set_rbsp"!==t.nalUnitType||s||(s=t.data,e.pps=[t.data]),o.push(t)},this.processNals_=function(t){var r;for(o=h.concat(o);o.length&&"access_unit_delimiter_rbsp"!==o[0].nalUnitType;)o.shift();if(0!==o.length){var s=Lr.groupNalsIntoFrames(o);if(s.length)if(h=s[s.length-1],t&&(s.pop(),s.duration-=h.duration,s.nalCount-=h.length,s.byteLength-=h.byteLength),s.length){if(this.trigger("timelineStartInfo",e.timelineStartInfo),p){if(!(n=Lr.groupFramesIntoGops(s))[0][0].keyFrame){if(!(n=Lr.extendFirstKeyFrame(n))[0][0].keyFrame)return o=[].concat.apply([],s).concat(h),void(h=[]);(s=[].concat.apply([],n)).duration=n.duration}p=!1}for(null===d&&(d=s[0].pts,l=d),l+=s.duration,this.trigger("timingInfo",{start:d,end:l}),r=0;r<s.length;r++){var u=s[r];e.samples=Lr.generateSampleTableForFrame(u);var f=Dr.mdat(Lr.concatenateNalDataForFrame(u));Pr.clearDtsInfo(e),Pr.collectDtsInfo(e,u),e.baseMediaDecodeTime=Pr.calculateTrackBaseMediaDecodeTime(e,i.keepOriginalTimestamps);var c=Dr.moof(a,[e]);a++,e.initSegment=Dr.initSegment([e]);var m=new Uint8Array(c.byteLength+f.byteLength);m.set(c),m.set(f,c.byteLength),this.trigger("data",{track:e,boxes:m,sequence:a,videoFrameDts:u.dts,videoFramePts:u.pts})}o=[]}else o=[]}},this.resetTimingAndConfig_=function(){r=void 0,s=void 0,d=null,l=null},this.partialFlush=function(){this.processNals_(!0),this.trigger("partialdone","VideoSegmentStream")},this.flush=function(){this.processNals_(!1),this.resetTimingAndConfig_(),this.trigger("done","VideoSegmentStream")},this.endTimeline=function(){this.flush(),this.trigger("endedtimeline","VideoSegmentStream")},this.reset=function(){this.resetTimingAndConfig_(),h=[],o=[],p=!0,this.trigger("reset")}};Fr.prototype=new U;var Rr=U,Or=gi,Mr=wt,Nr=Br,Gr=Fr,Vr=Pe,Hr=Si.isLikelyAacData,Yr=D,Wr=Ai,jr=E,qr=function(t){return t.prototype=new Rr,t.prototype.init.call(t),t},Kr=function(t,e){t.on("data",e.trigger.bind(e,"data")),t.on("done",e.trigger.bind(e,"done")),t.on("partialdone",e.trigger.bind(e,"partialdone")),t.on("endedtimeline",e.trigger.bind(e,"endedtimeline")),t.on("audioTimingInfo",e.trigger.bind(e,"audioTimingInfo")),t.on("videoTimingInfo",e.trigger.bind(e,"videoTimingInfo")),t.on("trackinfo",e.trigger.bind(e,"trackinfo")),t.on("id3Frame",(function(i){i.dispatchType=t.metadataStream.dispatchType,i.cueTime=jr.videoTsToSeconds(i.pts),e.trigger("id3Frame",i)})),t.on("caption",(function(t){e.trigger("caption",t)}))},Xr=function t(e){var i=null,r=!0;e=e||{},t.prototype.init.call(this),e.baseMediaDecodeTime=e.baseMediaDecodeTime||0,this.push=function(t){if(r){var s=Hr(t);!s||i&&"aac"===i.type?s||i&&"ts"===i.type||(i=function(t){var e={type:"ts",tracks:{audio:null,video:null},packet:new Or.TransportPacketStream,parse:new Or.TransportParseStream,elementary:new Or.ElementaryStream,timestampRollover:new Or.TimestampRolloverStream,adts:new Mr.Adts,h264:new Mr.h264.H264Stream,captionStream:new Or.CaptionStream(t),metadataStream:new Or.MetadataStream};return e.headOfPipeline=e.packet,e.packet.pipe(e.parse).pipe(e.elementary).pipe(e.timestampRollover),e.timestampRollover.pipe(e.h264),e.h264.pipe(e.captionStream),e.timestampRollover.pipe(e.metadataStream),e.timestampRollover.pipe(e.adts),e.elementary.on("data",(function(i){if("metadata"===i.type){for(var r=0;r<i.tracks.length;r++)e.tracks[i.tracks[r].type]||(e.tracks[i.tracks[r].type]=i.tracks[r],e.tracks[i.tracks[r].type].timelineStartInfo.baseMediaDecodeTime=t.baseMediaDecodeTime);e.tracks.video&&!e.videoSegmentStream&&(e.videoSegmentStream=new Gr(e.tracks.video,t),e.videoSegmentStream.on("timelineStartInfo",(function(i){e.tracks.audio&&!t.keepOriginalTimestamps&&e.audioSegmentStream.setEarliestDts(i.dts-t.baseMediaDecodeTime)})),e.videoSegmentStream.on("timingInfo",e.trigger.bind(e,"videoTimingInfo")),e.videoSegmentStream.on("data",(function(t){e.trigger("data",{type:"video",data:t})})),e.videoSegmentStream.on("done",e.trigger.bind(e,"done")),e.videoSegmentStream.on("partialdone",e.trigger.bind(e,"partialdone")),e.videoSegmentStream.on("endedtimeline",e.trigger.bind(e,"endedtimeline")),e.h264.pipe(e.videoSegmentStream)),e.tracks.audio&&!e.audioSegmentStream&&(e.audioSegmentStream=new Nr(e.tracks.audio,t),e.audioSegmentStream.on("data",(function(t){e.trigger("data",{type:"audio",data:t})})),e.audioSegmentStream.on("done",e.trigger.bind(e,"done")),e.audioSegmentStream.on("partialdone",e.trigger.bind(e,"partialdone")),e.audioSegmentStream.on("endedtimeline",e.trigger.bind(e,"endedtimeline")),e.audioSegmentStream.on("timingInfo",e.trigger.bind(e,"audioTimingInfo")),e.adts.pipe(e.audioSegmentStream)),e.trigger("trackinfo",{hasAudio:!!e.tracks.audio,hasVideo:!!e.tracks.video})}})),e.captionStream.on("data",(function(i){var r;r=e.tracks.video&&e.tracks.video.timelineStartInfo.pts||0,i.startTime=jr.metadataTsToSeconds(i.startPts,r,t.keepOriginalTimestamps),i.endTime=jr.metadataTsToSeconds(i.endPts,r,t.keepOriginalTimestamps),e.trigger("caption",i)})),(e=qr(e)).metadataStream.on("data",e.trigger.bind(e,"id3Frame")),e}(e),Kr(i,this)):(i=function(t){var e={type:"aac",tracks:{audio:null},metadataStream:new Or.MetadataStream,aacStream:new Wr,audioRollover:new Or.TimestampRolloverStream("audio"),timedMetadataRollover:new Or.TimestampRolloverStream("timed-metadata"),adtsStream:new Yr(!0)};return e.headOfPipeline=e.aacStream,e.aacStream.pipe(e.audioRollover).pipe(e.adtsStream),e.aacStream.pipe(e.timedMetadataRollover).pipe(e.metadataStream),e.metadataStream.on("timestamp",(function(t){e.aacStream.setTimestamp(t.timeStamp)})),e.aacStream.on("data",(function(i){"timed-metadata"!==i.type&&"audio"!==i.type||e.audioSegmentStream||(e.tracks.audio=e.tracks.audio||{timelineStartInfo:{baseMediaDecodeTime:t.baseMediaDecodeTime},codec:"adts",type:"audio"},e.audioSegmentStream=new Nr(e.tracks.audio,t),e.audioSegmentStream.on("data",(function(t){e.trigger("data",{type:"audio",data:t})})),e.audioSegmentStream.on("partialdone",e.trigger.bind(e,"partialdone")),e.audioSegmentStream.on("done",e.trigger.bind(e,"done")),e.audioSegmentStream.on("endedtimeline",e.trigger.bind(e,"endedtimeline")),e.audioSegmentStream.on("timingInfo",e.trigger.bind(e,"audioTimingInfo")),e.adtsStream.pipe(e.audioSegmentStream),e.trigger("trackinfo",{hasAudio:!!e.tracks.audio,hasVideo:!!e.tracks.video}))})),(e=qr(e)).metadataStream.on("data",e.trigger.bind(e,"id3Frame")),e}(e),Kr(i,this)),r=!1}i.headOfPipeline.push(t)},this.flush=function(){i&&(r=!0,i.headOfPipeline.flush())},this.partialFlush=function(){i&&i.headOfPipeline.partialFlush()},this.endTimeline=function(){i&&i.headOfPipeline.endTimeline()},this.reset=function(){i&&i.headOfPipeline.reset()},this.setBaseMediaDecodeTime=function(t){e.keepOriginalTimestamps||(e.baseMediaDecodeTime=t),i&&(i.tracks.audio&&(i.tracks.audio.timelineStartInfo.dts=void 0,i.tracks.audio.timelineStartInfo.pts=void 0,Vr.clearDtsInfo(i.tracks.audio),i.audioRollover&&i.audioRollover.discontinuity()),i.tracks.video&&(i.videoSegmentStream&&(i.videoSegmentStream.gopCache_=[]),i.tracks.video.timelineStartInfo.dts=void 0,i.tracks.video.timelineStartInfo.pts=void 0,Vr.clearDtsInfo(i.tracks.video)),i.timestampRollover&&i.timestampRollover.discontinuity())},this.setRemux=function(t){e.remux=t,i&&i.coalesceStream&&i.coalesceStream.setRemux(t)},this.setAudioAppendStart=function(t){i&&i.tracks.audio&&i.audioSegmentStream&&i.audioSegmentStream.setAudioAppendStart(t)},this.alignGopsWith=function(t){}};Xr.prototype=new Rr;var Zr,Qr,$r={Transmuxer:Xr};var Jr,ts,es=Tt,is=es.getUint64,rs=function(t){return new Date(1e3*t-20828448e5)},ss=Ft,ns=Mt,as=function(t){var e,i,r=new DataView(t.buffer,t.byteOffset,t.byteLength),s=[];for(e=0;e+4<t.length;e+=i)if(i=r.getUint32(e),e+=4,i<=0)s.push("<span style='color:red;'>MALFORMED DATA</span>");else switch(31&t[e]){case 1:s.push("slice_layer_without_partitioning_rbsp");break;case 5:s.push("slice_layer_without_partitioning_rbsp_idr");break;case 6:s.push("sei_rbsp");break;case 7:s.push("seq_parameter_set_rbsp");break;case 8:s.push("pic_parameter_set_rbsp");break;case 9:s.push("access_unit_delimiter_rbsp");break;default:s.push("UNKNOWN NAL - "+t[e]&31)}return s},os={avc1:function(t){var e=new DataView(t.buffer,t.byteOffset,t.byteLength);return{dataReferenceIndex:e.getUint16(6),width:e.getUint16(24),height:e.getUint16(26),horizresolution:e.getUint16(28)+e.getUint16(30)/16,vertresolution:e.getUint16(32)+e.getUint16(34)/16,frameCount:e.getUint16(40),depth:e.getUint16(74),config:Jr(t.subarray(78,t.byteLength))}},avcC:function(t){var e,i,r,s,n=new DataView(t.buffer,t.byteOffset,t.byteLength),a={configurationVersion:t[0],avcProfileIndication:t[1],profileCompatibility:t[2],avcLevelIndication:t[3],lengthSizeMinusOne:3&t[4],sps:[],pps:[]},o=31&t[5];for(r=6,s=0;s<o;s++)i=n.getUint16(r),r+=2,a.sps.push(new Uint8Array(t.subarray(r,r+i))),r+=i;for(e=t[r],r++,s=0;s<e;s++)i=n.getUint16(r),r+=2,a.pps.push(new Uint8Array(t.subarray(r,r+i))),r+=i;return a},btrt:function(t){var e=new DataView(t.buffer,t.byteOffset,t.byteLength);return{bufferSizeDB:e.getUint32(0),maxBitrate:e.getUint32(4),avgBitrate:e.getUint32(8)}},edts:function(t){return{boxes:Jr(t)}},elst:function(t){var e,i=new DataView(t.buffer,t.byteOffset,t.byteLength),r={version:i.getUint8(0),flags:new Uint8Array(t.subarray(1,4)),edits:[]},s=i.getUint32(4);for(e=8;s;s--)0===r.version?(r.edits.push({segmentDuration:i.getUint32(e),mediaTime:i.getInt32(e+4),mediaRate:i.getUint16(e+8)+i.getUint16(e+10)/65536}),e+=12):(r.edits.push({segmentDuration:is(t.subarray(e)),mediaTime:is(t.subarray(e+8)),mediaRate:i.getUint16(e+16)+i.getUint16(e+18)/65536}),e+=20);return r},esds:function(t){return{version:t[0],flags:new 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Uint8Array(t.subarray(1,4)),sequenceNumber:t[4]<<24|t[5]<<16|t[6]<<8|t[7]}},minf:function(t){return{boxes:Jr(t)}},mp4a:function(t){var e=new DataView(t.buffer,t.byteOffset,t.byteLength),i={dataReferenceIndex:e.getUint16(6),channelcount:e.getUint16(16),samplesize:e.getUint16(18),samplerate:e.getUint16(24)+e.getUint16(26)/65536};return t.byteLength>28&&(i.streamDescriptor=Jr(t.subarray(28))[0]),i},moof:function(t){return{boxes:Jr(t)}},moov:function(t){return{boxes:Jr(t)}},mvex:function(t){return{boxes:Jr(t)}},mvhd:function(t){var e=new DataView(t.buffer,t.byteOffset,t.byteLength),i=4,r={version:e.getUint8(0),flags:new Uint8Array(t.subarray(1,4))};return 1===r.version?(i+=4,r.creationTime=rs(e.getUint32(i)),i+=8,r.modificationTime=rs(e.getUint32(i)),i+=4,r.timescale=e.getUint32(i),i+=8,r.duration=e.getUint32(i)):(r.creationTime=rs(e.getUint32(i)),i+=4,r.modificationTime=rs(e.getUint32(i)),i+=4,r.timescale=e.getUint32(i),i+=4,r.duration=e.getUint32(i)),i+=4,r.rate=e.getUint16(i)+e.getUint16(i+2)/16,i+=4,r.volume=e.getUint8(i)+e.getUint8(i+1)/8,i+=2,i+=2,i+=8,r.matrix=new Uint32Array(t.subarray(i,i+36)),i+=36,i+=24,r.nextTrackId=e.getUint32(i),r},pdin:function(t){var e=new DataView(t.buffer,t.byteOffset,t.byteLength);return{version:e.getUint8(0),flags:new Uint8Array(t.subarray(1,4)),rate:e.getUint32(4),initialDelay:e.getUint32(8)}},sdtp:function(t){var e,i={version:t[0],flags:new Uint8Array(t.subarray(1,4)),samples:[]};for(e=4;e<t.byteLength;e++)i.samples.push({dependsOn:(48&t[e])>>4,isDependedOn:(12&t[e])>>2,hasRedundancy:3&t[e]});return i},sidx:function(){if(Qr)return Zr;Qr=1;var t=Tt.getUint64;return Zr=function(e){var i=new DataView(e.buffer,e.byteOffset,e.byteLength),r={version:e[0],flags:new Uint8Array(e.subarray(1,4)),references:[],referenceId:i.getUint32(4),timescale:i.getUint32(8)},s=12;0===r.version?(r.earliestPresentationTime=i.getUint32(s),r.firstOffset=i.getUint32(s+4),s+=8):(r.earliestPresentationTime=t(e.subarray(s)),r.firstOffset=t(e.subarray(s+8)),s+=16),s+=2;var n=i.getUint16(s);for(s+=2;n>0;s+=12,n--)r.references.push({referenceType:(128&e[s])>>>7,referencedSize:2147483647&i.getUint32(s),subsegmentDuration:i.getUint32(s+4),startsWithSap:!!(128&e[s+8]),sapType:(112&e[s+8])>>>4,sapDeltaTime:268435455&i.getUint32(s+8)});return r}}(),smhd:function(t){return{version:t[0],flags:new Uint8Array(t.subarray(1,4)),balance:t[4]+t[5]/256}},stbl:function(t){return{boxes:Jr(t)}},ctts:function(t){var e,i=new DataView(t.buffer,t.byteOffset,t.byteLength),r={version:i.getUint8(0),flags:new 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s},stsd:function(t){return{version:t[0],flags:new Uint8Array(t.subarray(1,4)),sampleDescriptions:Jr(t.subarray(8))}},stsz:function(t){var e,i=new DataView(t.buffer,t.byteOffset,t.byteLength),r={version:t[0],flags:new Uint8Array(t.subarray(1,4)),sampleSize:i.getUint32(4),entries:[]};for(e=12;e<t.byteLength;e+=4)r.entries.push(i.getUint32(e));return r},stts:function(t){var e,i=new DataView(t.buffer,t.byteOffset,t.byteLength),r={version:t[0],flags:new Uint8Array(t.subarray(1,4)),timeToSamples:[]},s=i.getUint32(4);for(e=8;s;e+=8,s--)r.timeToSamples.push({sampleCount:i.getUint32(e),sampleDelta:i.getUint32(e+4)});return r},styp:function(t){return os.ftyp(t)},tfdt:qt(),tfhd:Wt(),tkhd:function(t){var e=new DataView(t.buffer,t.byteOffset,t.byteLength),i=4,r={version:e.getUint8(0),flags:new Uint8Array(t.subarray(1,4))};return 1===r.version?(i+=4,r.creationTime=rs(e.getUint32(i)),i+=8,r.modificationTime=rs(e.getUint32(i)),i+=4,r.trackId=e.getUint32(i),i+=4,i+=8,r.duration=e.getUint32(i)):(r.creationTime=rs(e.getUint32(i)),i+=4,r.modificationTime=rs(e.getUint32(i)),i+=4,r.trackId=e.getUint32(i),i+=4,i+=4,r.duration=e.getUint32(i)),i+=4,i+=8,r.layer=e.getUint16(i),i+=2,r.alternateGroup=e.getUint16(i),i+=2,r.volume=e.getUint8(i)+e.getUint8(i+1)/8,i+=2,i+=2,r.matrix=new Uint32Array(t.subarray(i,i+36)),i+=36,r.width=e.getUint16(i)+e.getUint16(i+2)/65536,i+=4,r.height=e.getUint16(i)+e.getUint16(i+2)/65536,r},traf:function(t){return{boxes:Jr(t)}},trak:function(t){return{boxes:Jr(t)}},trex:function(t){var e=new DataView(t.buffer,t.byteOffset,t.byteLength);return{version:t[0],flags:new Uint8Array(t.subarray(1,4)),trackId:e.getUint32(4),defaultSampleDescriptionIndex:e.getUint32(8),defaultSampleDuration:e.getUint32(12),defaultSampleSize:e.getUint32(16),sampleDependsOn:3&t[20],sampleIsDependedOn:(192&t[21])>>6,sampleHasRedundancy:(48&t[21])>>4,samplePaddingValue:(14&t[21])>>1,sampleIsDifferenceSample:!!(1&t[21]),sampleDegradationPriority:e.getUint16(22)}},trun:jt(),"url ":function(t){return{version:t[0],flags:new Uint8Array(t.subarray(1,4))}},vmhd:function(t){var e=new DataView(t.buffer,t.byteOffset,t.byteLength);return{version:t[0],flags:new Uint8Array(t.subarray(1,4)),graphicsmode:e.getUint16(4),opcolor:new Uint16Array([e.getUint16(6),e.getUint16(8),e.getUint16(10)])}}};Jr=function(t){for(var e,i,r,s,n,a=0,o=[],h=new ArrayBuffer(t.length),d=new Uint8Array(h),l=0;l<t.length;++l)d[l]=t[l];for(e=new DataView(h);a<t.byteLength;)i=e.getUint32(a),r=ss(t.subarray(a+4,a+8)),s=i>1?a+i:t.byteLength,(n=(os[r]||function(t){return{data:t}})(t.subarray(a+8,s))).size=i,n.type=r,o.push(n),a=s;return o};var hs={inspect:Jr,textify:ts=function(t,e){var i;return e=e||0,i=new Array(2*e+1).join(" "),t.map((function(t,r){return i+t.type+"\n"+Object.keys(t).filter((function(t){return"type"!==t&&"boxes"!==t})).map((function(e){var r=i+" "+e+": ",s=t[e];if(s instanceof Uint8Array||s instanceof Uint32Array){var n=Array.prototype.slice.call(new Uint8Array(s.buffer,s.byteOffset,s.byteLength)).map((function(t){return" "+("00"+t.toString(16)).slice(-2)})).join("").match(/.{1,24}/g);return n?1===n.length?r+"<"+n.join("").slice(1)+">":r+"<\n"+n.map((function(t){return i+" "+t})).join("\n")+"\n"+i+" >":r+"<>"}return r+JSON.stringify(s,null,2).split("\n").map((function(t,e){return 0===e?t:i+" "+t})).join("\n")})).join("\n")+(t.boxes?"\n"+ts(t.boxes,e+1):"")})).join("\n")},parseType:ss,findBox:ns,parseTraf:os.traf,parseTfdt:os.tfdt,parseHdlr:os.hdlr,parseTfhd:os.tfhd,parseTrun:os.trun,parseSidx:os.sidx},ds={8:"audio",9:"video",18:"metadata"},ls=function(t){for(var e,i=[];t.byteLength>0;)e=0,i.push("0x"+("00"+t[e++].toString(16)).slice(-2).toUpperCase()),t=t.subarray(1);return i.join(" ")},ps=function(t,e){var i=t[0]&parseInt("00001111",2);return(e=e||{}).frameType=["Unknown","Keyframe (for AVC, a seekable frame)","Inter frame (for AVC, a nonseekable frame)","Disposable inter frame (H.263 only)","Generated keyframe (reserved for server use only)","Video info/command frame"][(t[0]&parseInt("11110000",2))>>>4],e.codecID=i,7===i?function(t,e){var i=t[1]&parseInt("01111111",2)<<16|t[2]<<8|t[3];return(e=e||{}).avcPacketType=["AVC Sequence Header","AVC NALU","AVC 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e=function(t){return{tagType:ds[t[0]],dataSize:t[1]<<16|t[2]<<8|t[3],timestamp:t[7]<<24|t[4]<<16|t[5]<<8|t[6],streamID:t[8]<<16|t[9]<<8|t[10]}}(t);switch(t[0]){case 8:us(t.subarray(11),e);break;case 9:ps(t.subarray(11),e)}return e},cs={inspectTag:fs,inspect:function(t){var e,i,r=9,s=[];for(r+=4;r<t.byteLength;)e=t[r+1]<<16,e|=t[r+2]<<8,e|=t[r+3],e+=11,i=t.subarray(r,r+e),s.push(fs(i)),r+=e+4;return s},textify:function(t){return JSON.stringify(t,null,2)}},ms=Xe,gs=function(t){var e=31&t[1];return e<<=8,e|=t[2]},_s=function(t){return!!(64&t[1])},ys=function(t){var e=0;return(48&t[3])>>>4>1&&(e+=t[4]+1),e},bs=function(t){switch(t){case 5:return"slice_layer_without_partitioning_rbsp_idr";case 6:return"sei_rbsp";case 7:return"seq_parameter_set_rbsp";case 8:return"pic_parameter_set_rbsp";case 9:return"access_unit_delimiter_rbsp";default:return null}},vs={parseType:function(t,e){var i=gs(t);return 0===i?"pat":i===e?"pmt":e?"pes":null},parsePat:function(t){var e=_s(t),i=4+ys(t);return e&&(i+=t[i]+1),(31&t[i+10])<<8|t[i+11]},parsePmt:function(t){var e={},i=_s(t),r=4+ys(t);if(i&&(r+=t[r]+1),1&t[r+5]){var s;s=3+((15&t[r+1])<<8|t[r+2])-4;for(var n=12+((15&t[r+10])<<8|t[r+11]);n<s;){var a=r+n;e[(31&t[a+1])<<8|t[a+2]]=t[a],n+=5+((15&t[a+3])<<8|t[a+4])}return e}},parsePayloadUnitStartIndicator:_s,parsePesType:function(t,e){switch(e[gs(t)]){case ms.H264_STREAM_TYPE:return"video";case ms.ADTS_STREAM_TYPE:return"audio";case ms.METADATA_STREAM_TYPE:return"timed-metadata";default:return null}},parsePesTime:function(t){if(!_s(t))return null;var e=4+ys(t);if(e>=t.byteLength)return null;var i,r=null;return 192&(i=t[e+7])&&((r={}).pts=(14&t[e+9])<<27|(255&t[e+10])<<20|(254&t[e+11])<<12|(255&t[e+12])<<5|(254&t[e+13])>>>3,r.pts*=4,r.pts+=(6&t[e+13])>>>1,r.dts=r.pts,64&i&&(r.dts=(14&t[e+14])<<27|(255&t[e+15])<<20|(254&t[e+16])<<12|(255&t[e+17])<<5|(254&t[e+18])>>>3,r.dts*=4,r.dts+=(6&t[e+18])>>>1)),r},videoPacketContainsKeyFrame:function(t){for(var e=4+ys(t),i=t.subarray(e),r=0,s=0,n=!1;s<i.byteLength-3;s++)if(1===i[s+2]){r=s+5;break}for(;r<i.byteLength;)switch(i[r]){case 0:if(0!==i[r-1]){r+=2;break}if(0!==i[r-2]){r++;break}s+3!==r-2&&"slice_layer_without_partitioning_rbsp_idr"===bs(31&i[s+3])&&(n=!0);do{r++}while(1!==i[r]&&r<i.length);s=r-2,r+=3;break;case 1:if(0!==i[r-1]||0!==i[r-2]){r+=3;break}"slice_layer_without_partitioning_rbsp_idr"===bs(31&i[s+3])&&(n=!0),s=r-2,r+=3;break;default:r+=3}return i=i.subarray(s),r-=s,s=0,i&&i.byteLength>3&&"slice_layer_without_partitioning_rbsp_idr"===bs(31&i[s+3])&&(n=!0),n}},Ss=Xe,ws=ei,Us={};Us.ts=vs,Us.aac=Si;var Ts=E.ONE_SECOND_IN_TS,xs=188,Es=71,As=function(t,e,i){for(var r,s,n,a,o=0,h=xs,d=!1;h<=t.byteLength;)if(t[o]!==Es||t[h]!==Es&&h!==t.byteLength)o++,h++;else{if(r=t.subarray(o,h),"pes"===Us.ts.parseType(r,e.pid))s=Us.ts.parsePesType(r,e.table),n=Us.ts.parsePayloadUnitStartIndicator(r),"audio"===s&&n&&(a=Us.ts.parsePesTime(r))&&(a.type="audio",i.audio.push(a),d=!0);if(d)break;o+=xs,h+=xs}for(o=(h=t.byteLength)-xs,d=!1;o>=0;)if(t[o]!==Es||t[h]!==Es&&h!==t.byteLength)o--,h--;else{if(r=t.subarray(o,h),"pes"===Us.ts.parseType(r,e.pid))s=Us.ts.parsePesType(r,e.table),n=Us.ts.parsePayloadUnitStartIndicator(r),"audio"===s&&n&&(a=Us.ts.parsePesTime(r))&&(a.type="audio",i.audio.push(a),d=!0);if(d)break;o-=xs,h-=xs}},ks=function(t,e,i){for(var r,s,n,a,o,h,d,l=0,p=xs,u=!1,f={data:[],size:0};p<t.byteLength;)if(t[l]!==Es||t[p]!==Es)l++,p++;else{if(r=t.subarray(l,p),"pes"===Us.ts.parseType(r,e.pid))if(s=Us.ts.parsePesType(r,e.table),n=Us.ts.parsePayloadUnitStartIndicator(r),"video"===s&&(n&&!u&&(a=Us.ts.parsePesTime(r))&&(a.type="video",i.video.push(a),u=!0),!i.firstKeyFrame)){if(n&&0!==f.size){for(o=new Uint8Array(f.size),h=0;f.data.length;)d=f.data.shift(),o.set(d,h),h+=d.byteLength;if(Us.ts.videoPacketContainsKeyFrame(o)){var c=Us.ts.parsePesTime(o);c?(i.firstKeyFrame=c,i.firstKeyFrame.type="video"):console.warn("Failed to extract PTS/DTS from PES at first keyframe. This could be an unusual TS segment, or else mux.js did not parse your TS segment correctly. If you know your TS segments do contain PTS/DTS on keyframes please file a bug report! 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r=0;r<t.length&&r<i;r++)this.writeUint16(t.charCodeAt(r),e);for(;r<i;r++)this.writeUint16(0)},o.prototype.writeString=function(t,e,i){var r=0;if(null==e||"ASCII"==e)if(null!=i){var s=Math.min(t.length,i);for(r=0;r<s;r++)this.writeUint8(t.charCodeAt(r));for(;r<i;r++)this.writeUint8(0)}else for(r=0;r<t.length;r++)this.writeUint8(t.charCodeAt(r));else this.writeUint8Array(new TextEncoder(e).encode(t.substring(0,i)))},o.prototype.writeCString=function(t,e){var i=0;if(null!=e){var r=Math.min(t.length,e);for(i=0;i<r;i++)this.writeUint8(t.charCodeAt(i));for(;i<e;i++)this.writeUint8(0)}else{for(i=0;i<t.length;i++)this.writeUint8(t.charCodeAt(i));this.writeUint8(0)}},o.prototype.writeStruct=function(t,e){for(var i=0;i<t.length;i+=2){var r=t[i+1];this.writeType(r,e[t[i]],e)}},o.prototype.writeType=function(t,e,i){var r;if("function"==typeof t)return t(this,e);if("object"==typeof t&&!(t instanceof Array))return t.set(this,e,i);var s=null,n="ASCII",a=this.position;switch("string"==typeof t&&/:/.test(t)&&(r=t.split(":"),t=r[0],s=parseInt(r[1])),"string"==typeof t&&/,/.test(t)&&(r=t.split(","),t=r[0],n=parseInt(r[1])),t){case"uint8":this.writeUint8(e);break;case"int8":this.writeInt8(e);break;case"uint16":this.writeUint16(e,this.endianness);break;case"int16":this.writeInt16(e,this.endianness);break;case"uint32":this.writeUint32(e,this.endianness);break;case"int32":this.writeInt32(e,this.endianness);break;case"float32":this.writeFloat32(e,this.endianness);break;case"float64":this.writeFloat64(e,this.endianness);break;case"uint16be":this.writeUint16(e,o.BIG_ENDIAN);break;case"int16be":this.writeInt16(e,o.BIG_ENDIAN);break;case"uint32be":this.writeUint32(e,o.BIG_ENDIAN);break;case"int32be":this.writeInt32(e,o.BIG_ENDIAN);break;case"float32be":this.writeFloat32(e,o.BIG_ENDIAN);break;case"float64be":this.writeFloat64(e,o.BIG_ENDIAN);break;case"uint16le":this.writeUint16(e,o.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(e,o.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(e,o.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(e,o.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(e,o.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(e,o.LITTLE_ENDIAN);break;case"cstring":this.writeCString(e,s);break;case"string":this.writeString(e,n,s);break;case"u16string":this.writeUCS2String(e,this.endianness,s);break;case"u16stringle":this.writeUCS2String(e,o.LITTLE_ENDIAN,s);break;case"u16stringbe":this.writeUCS2String(e,o.BIG_ENDIAN,s);break;default:if(3==t.length){for(var h=t[1],d=0;d<e.length;d++)this.writeType(h,e[d]);break}this.writeStruct(t,e)}null!=s&&(this.position=a,this._realloc(s),this.position=a+s)},o.prototype.writeUint64=function(t){var e=Math.floor(t/h);this.writeUint32(e),this.writeUint32(4294967295&t)},o.prototype.writeUint24=function(t){this.writeUint8((16711680&t)>>16),this.writeUint8((65280&t)>>8),this.writeUint8(255&t)},o.prototype.adjustUint32=function(t,e){var i=this.position;this.seek(t),this.writeUint32(e),this.seek(i)},o.prototype.mapInt32Array=function(t,e){this._realloc(4*t);var i=new Int32Array(this._buffer,this.byteOffset+this.position,t);return o.arrayToNative(i,null==e?this.endianness:e),this.position+=4*t,i},o.prototype.mapInt16Array=function(t,e){this._realloc(2*t);var i=new Int16Array(this._buffer,this.byteOffset+this.position,t);return o.arrayToNative(i,null==e?this.endianness:e),this.position+=2*t,i},o.prototype.mapInt8Array=function(t){this._realloc(1*t);var e=new Int8Array(this._buffer,this.byteOffset+this.position,t);return this.position+=1*t,e},o.prototype.mapUint32Array=function(t,e){this._realloc(4*t);var i=new Uint32Array(this._buffer,this.byteOffset+this.position,t);return o.arrayToNative(i,null==e?this.endianness:e),this.position+=4*t,i},o.prototype.mapUint16Array=function(t,e){this._realloc(2*t);var i=new Uint16Array(this._buffer,this.byteOffset+this.position,t);return o.arrayToNative(i,null==e?this.endianness:e),this.position+=2*t,i},o.prototype.mapFloat64Array=function(t,e){this._realloc(8*t);var i=new Float64Array(this._buffer,this.byteOffset+this.position,t);return o.arrayToNative(i,null==e?this.endianness:e),this.position+=8*t,i},o.prototype.mapFloat32Array=function(t,e){this._realloc(4*t);var i=new Float32Array(this._buffer,this.byteOffset+this.position,t);return o.arrayToNative(i,null==e?this.endianness:e),this.position+=4*t,i};var d=function(t){this.buffers=[],this.bufferIndex=-1,t&&(this.insertBuffer(t),this.bufferIndex=0)};(d.prototype=new o(new ArrayBuffer,0,o.BIG_ENDIAN)).initialized=function(){var t;return this.bufferIndex>-1||(this.buffers.length>0?0===(t=this.buffers[0]).fileStart?(this.buffer=t,this.bufferIndex=0,n.debug("MultiBufferStream","Stream ready for parsing"),!0):(n.warn("MultiBufferStream","The first buffer should have a fileStart of 0"),this.logBufferLevel(),!1):(n.warn("MultiBufferStream","No buffer to start parsing from"),this.logBufferLevel(),!1))},ArrayBuffer.concat=function(t,e){n.debug("ArrayBuffer","Trying to create a new buffer of size: "+(t.byteLength+e.byteLength));var i=new Uint8Array(t.byteLength+e.byteLength);return i.set(new Uint8Array(t),0),i.set(new Uint8Array(e),t.byteLength),i.buffer},d.prototype.reduceBuffer=function(t,e,i){var r;return(r=new Uint8Array(i)).set(new Uint8Array(t,e,i)),r.buffer.fileStart=t.fileStart+e,r.buffer.usedBytes=0,r.buffer},d.prototype.insertBuffer=function(t){for(var e=!0,i=0;i<this.buffers.length;i++){var r=this.buffers[i];if(t.fileStart<=r.fileStart){if(t.fileStart===r.fileStart){if(t.byteLength>r.byteLength){this.buffers.splice(i,1),i--;continue}n.warn("MultiBufferStream","Buffer (fileStart: "+t.fileStart+" - Length: "+t.byteLength+") already appended, ignoring")}else t.fileStart+t.byteLength<=r.fileStart||(t=this.reduceBuffer(t,0,r.fileStart-t.fileStart)),n.debug("MultiBufferStream","Appending new buffer (fileStart: "+t.fileStart+" - Length: "+t.byteLength+")"),this.buffers.splice(i,0,t),0===i&&(this.buffer=t);e=!1;break}if(t.fileStart<r.fileStart+r.byteLength){var s=r.fileStart+r.byteLength-t.fileStart,a=t.byteLength-s;if(!(a>0)){e=!1;break}t=this.reduceBuffer(t,s,a)}}e&&(n.debug("MultiBufferStream","Appending new buffer (fileStart: "+t.fileStart+" - Length: "+t.byteLength+")"),this.buffers.push(t),0===i&&(this.buffer=t))},d.prototype.logBufferLevel=function(t){var e,i,r,s,a,o=[],h="";for(r=0,s=0,e=0;e<this.buffers.length;e++)i=this.buffers[e],0===e?(a={},o.push(a),a.start=i.fileStart,a.end=i.fileStart+i.byteLength,h+="["+a.start+"-"):a.end===i.fileStart?a.end=i.fileStart+i.byteLength:((a={}).start=i.fileStart,h+=o[o.length-1].end-1+"], ["+a.start+"-",a.end=i.fileStart+i.byteLength,o.push(a)),r+=i.usedBytes,s+=i.byteLength;o.length>0&&(h+=a.end-1+"]");var d=t?n.info:n.debug;0===this.buffers.length?d("MultiBufferStream","No more buffer in memory"):d("MultiBufferStream",this.buffers.length+" stored buffer(s) ("+r+"/"+s+" bytes), continuous ranges: "+h)},d.prototype.cleanBuffers=function(){var t,e;for(t=0;t<this.buffers.length;t++)(e=this.buffers[t]).usedBytes===e.byteLength&&(n.debug("MultiBufferStream","Removing buffer #"+t),this.buffers.splice(t,1),t--)},d.prototype.mergeNextBuffer=function(){var t;if(this.bufferIndex+1<this.buffers.length){if((t=this.buffers[this.bufferIndex+1]).fileStart===this.buffer.fileStart+this.buffer.byteLength){var e=this.buffer.byteLength,i=this.buffer.usedBytes,r=this.buffer.fileStart;return this.buffers[this.bufferIndex]=ArrayBuffer.concat(this.buffer,t),this.buffer=this.buffers[this.bufferIndex],this.buffers.splice(this.bufferIndex+1,1),this.buffer.usedBytes=i,this.buffer.fileStart=r,n.debug("ISOFile","Concatenating buffer for box parsing (length: "+e+"->"+this.buffer.byteLength+")"),!0}return!1}return!1},d.prototype.findPosition=function(t,e,i){var r,s=null,a=-1;for(r=!0===t?0:this.bufferIndex;r<this.buffers.length&&(s=this.buffers[r]).fileStart<=e;)a=r,i&&(s.fileStart+s.byteLength<=e?s.usedBytes=s.byteLength:s.usedBytes=e-s.fileStart,this.logBufferLevel()),r++;return-1!==a&&(s=this.buffers[a]).fileStart+s.byteLength>=e?(n.debug("MultiBufferStream","Found position in existing buffer #"+a),a):-1},d.prototype.findEndContiguousBuf=function(t){var e,i,r,s=void 0!==t?t:this.bufferIndex;if(i=this.buffers[s],this.buffers.length>s+1)for(e=s+1;e<this.buffers.length&&(r=this.buffers[e]).fileStart===i.fileStart+i.byteLength;e++)i=r;return i.fileStart+i.byteLength},d.prototype.getEndFilePositionAfter=function(t){var e=this.findPosition(!0,t,!1);return-1!==e?this.findEndContiguousBuf(e):t},d.prototype.addUsedBytes=function(t){this.buffer.usedBytes+=t,this.logBufferLevel()},d.prototype.setAllUsedBytes=function(){this.buffer.usedBytes=this.buffer.byteLength,this.logBufferLevel()},d.prototype.seek=function(t,e,i){var r;return-1!==(r=this.findPosition(e,t,i))?(this.buffer=this.buffers[r],this.bufferIndex=r,this.position=t-this.buffer.fileStart,n.debug("MultiBufferStream","Repositioning parser at buffer position: "+this.position),!0):(n.debug("MultiBufferStream","Position "+t+" not found in buffered data"),!1)},d.prototype.getPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.position},d.prototype.getLength=function(){return this.byteLength},d.prototype.getEndPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.byteLength},t.MultiBufferStream=d;var l=function(){var t=[];t[3]="ES_Descriptor",t[4]="DecoderConfigDescriptor",t[5]="DecoderSpecificInfo",t[6]="SLConfigDescriptor",this.getDescriptorName=function(e){return t[e]};var e=this,i={};return this.parseOneDescriptor=function(e){var r,s,a,o=0;for(r=e.readUint8(),a=e.readUint8();128&a;)o=(127&a)<<7,a=e.readUint8();return o+=127&a,n.debug("MPEG4DescriptorParser","Found "+(t[r]||"Descriptor "+r)+", size "+o+" at position "+e.getPosition()),(s=t[r]?new i[t[r]](o):new i.Descriptor(o)).parse(e),s},i.Descriptor=function(t,e){this.tag=t,this.size=e,this.descs=[]},i.Descriptor.prototype.parse=function(t){this.data=t.readUint8Array(this.size)},i.Descriptor.prototype.findDescriptor=function(t){for(var e=0;e<this.descs.length;e++)if(this.descs[e].tag==t)return this.descs[e];return null},i.Descriptor.prototype.parseRemainingDescriptors=function(t){for(var i=t.position;t.position<i+this.size;){var r=e.parseOneDescriptor(t);this.descs.push(r)}},i.ES_Descriptor=function(t){i.Descriptor.call(this,3,t)},i.ES_Descriptor.prototype=new i.Descriptor,i.ES_Descriptor.prototype.parse=function(t){if(this.ES_ID=t.readUint16(),this.flags=t.readUint8(),this.size-=3,128&this.flags?(this.dependsOn_ES_ID=t.readUint16(),this.size-=2):this.dependsOn_ES_ID=0,64&this.flags){var e=t.readUint8();this.URL=t.readString(e),this.size-=e+1}else this.URL="";32&this.flags?(this.OCR_ES_ID=t.readUint16(),this.size-=2):this.OCR_ES_ID=0,this.parseRemainingDescriptors(t)},i.ES_Descriptor.prototype.getOTI=function(t){var e=this.findDescriptor(4);return e?e.oti:0},i.ES_Descriptor.prototype.getAudioConfig=function(t){var e=this.findDescriptor(4);if(!e)return null;var i=e.findDescriptor(5);if(i&&i.data){var r=(248&i.data[0])>>3;return 31===r&&i.data.length>=2&&(r=32+((7&i.data[0])<<3)+((224&i.data[1])>>5)),r}return null},i.DecoderConfigDescriptor=function(t){i.Descriptor.call(this,4,t)},i.DecoderConfigDescriptor.prototype=new i.Descriptor,i.DecoderConfigDescriptor.prototype.parse=function(t){this.oti=t.readUint8(),this.streamType=t.readUint8(),this.bufferSize=t.readUint24(),this.maxBitrate=t.readUint32(),this.avgBitrate=t.readUint32(),this.size-=13,this.parseRemainingDescriptors(t)},i.DecoderSpecificInfo=function(t){i.Descriptor.call(this,5,t)},i.DecoderSpecificInfo.prototype=new i.Descriptor,i.SLConfigDescriptor=function(t){i.Descriptor.call(this,6,t)},i.SLConfigDescriptor.prototype=new i.Descriptor,this};t.MPEG4DescriptorParser=l;var p={ERR_INVALID_DATA:-1,ERR_NOT_ENOUGH_DATA:0,OK:1,BASIC_BOXES:["mdat","idat","free","skip","meco","strk"],FULL_BOXES:["hmhd","nmhd","iods","xml ","bxml","ipro","mere"],CONTAINER_BOXES:[["moov",["trak","pssh"]],["trak"],["edts"],["mdia"],["minf"],["dinf"],["stbl",["sgpd","sbgp"]],["mvex",["trex"]],["moof",["traf"]],["traf",["trun","sgpd","sbgp"]],["vttc"],["tref"],["iref"],["mfra",["tfra"]],["meco"],["hnti"],["hinf"],["strk"],["strd"],["sinf"],["rinf"],["schi"],["trgr"],["udta",["kind"]],["iprp",["ipma"]],["ipco"],["grpl"],["j2kH"],["etyp",["tyco"]]],boxCodes:[],fullBoxCodes:[],containerBoxCodes:[],sampleEntryCodes:{},sampleGroupEntryCodes:[],trackGroupTypes:[],UUIDBoxes:{},UUIDs:[],initialize:function(){p.FullBox.prototype=new p.Box,p.ContainerBox.prototype=new p.Box,p.SampleEntry.prototype=new p.Box,p.TrackGroupTypeBox.prototype=new p.FullBox,p.BASIC_BOXES.forEach((function(t){p.createBoxCtor(t)})),p.FULL_BOXES.forEach((function(t){p.createFullBoxCtor(t)})),p.CONTAINER_BOXES.forEach((function(t){p.createContainerBoxCtor(t[0],null,t[1])}))},Box:function(t,e,i){this.type=t,this.size=e,this.uuid=i},FullBox:function(t,e,i){p.Box.call(this,t,e,i),this.flags=0,this.version=0},ContainerBox:function(t,e,i){p.Box.call(this,t,e,i),this.boxes=[]},SampleEntry:function(t,e,i,r){p.ContainerBox.call(this,t,e),this.hdr_size=i,this.start=r},SampleGroupEntry:function(t){this.grouping_type=t},TrackGroupTypeBox:function(t,e){p.FullBox.call(this,t,e)},createBoxCtor:function(t,e){p.boxCodes.push(t),p[t+"Box"]=function(e){p.Box.call(this,t,e)},p[t+"Box"].prototype=new p.Box,e&&(p[t+"Box"].prototype.parse=e)},createFullBoxCtor:function(t,e){p[t+"Box"]=function(e){p.FullBox.call(this,t,e)},p[t+"Box"].prototype=new p.FullBox,p[t+"Box"].prototype.parse=function(t){this.parseFullHeader(t),e&&e.call(this,t)}},addSubBoxArrays:function(t){if(t){this.subBoxNames=t;for(var e=t.length,i=0;i<e;i++)this[t[i]+"s"]=[]}},createContainerBoxCtor:function(t,e,i){p[t+"Box"]=function(e){p.ContainerBox.call(this,t,e),p.addSubBoxArrays.call(this,i)},p[t+"Box"].prototype=new p.ContainerBox,e&&(p[t+"Box"].prototype.parse=e)},createMediaSampleEntryCtor:function(t,e,i){p.sampleEntryCodes[t]=[],p[t+"SampleEntry"]=function(t,e){p.SampleEntry.call(this,t,e),p.addSubBoxArrays.call(this,i)},p[t+"SampleEntry"].prototype=new p.SampleEntry,e&&(p[t+"SampleEntry"].prototype.parse=e)},createSampleEntryCtor:function(t,e,i,r){p.sampleEntryCodes[t].push(e),p[e+"SampleEntry"]=function(i){p[t+"SampleEntry"].call(this,e,i),p.addSubBoxArrays.call(this,r)},p[e+"SampleEntry"].prototype=new p[t+"SampleEntry"],i&&(p[e+"SampleEntry"].prototype.parse=i)},createEncryptedSampleEntryCtor:function(t,e,i){p.createSampleEntryCtor.call(this,t,e,i,["sinf"])},createSampleGroupCtor:function(t,e){p[t+"SampleGroupEntry"]=function(e){p.SampleGroupEntry.call(this,t,e)},p[t+"SampleGroupEntry"].prototype=new p.SampleGroupEntry,e&&(p[t+"SampleGroupEntry"].prototype.parse=e)},createTrackGroupCtor:function(t,e){p[t+"TrackGroupTypeBox"]=function(e){p.TrackGroupTypeBox.call(this,t,e)},p[t+"TrackGroupTypeBox"].prototype=new p.TrackGroupTypeBox,e&&(p[t+"TrackGroupTypeBox"].prototype.parse=e)},createUUIDBox:function(t,e,i,r){p.UUIDs.push(t),p.UUIDBoxes[t]=function(r){e?p.FullBox.call(this,"uuid",r,t):i?p.ContainerBox.call(this,"uuid",r,t):p.Box.call(this,"uuid",r,t)},p.UUIDBoxes[t].prototype=e?new p.FullBox:i?new p.ContainerBox:new p.Box,r&&(p.UUIDBoxes[t].prototype.parse=e?function(t){this.parseFullHeader(t),r&&r.call(this,t)}:r)}};p.initialize(),p.TKHD_FLAG_ENABLED=1,p.TKHD_FLAG_IN_MOVIE=2,p.TKHD_FLAG_IN_PREVIEW=4,p.TFHD_FLAG_BASE_DATA_OFFSET=1,p.TFHD_FLAG_SAMPLE_DESC=2,p.TFHD_FLAG_SAMPLE_DUR=8,p.TFHD_FLAG_SAMPLE_SIZE=16,p.TFHD_FLAG_SAMPLE_FLAGS=32,p.TFHD_FLAG_DUR_EMPTY=65536,p.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072,p.TRUN_FLAGS_DATA_OFFSET=1,p.TRUN_FLAGS_FIRST_FLAG=4,p.TRUN_FLAGS_DURATION=256,p.TRUN_FLAGS_SIZE=512,p.TRUN_FLAGS_FLAGS=1024,p.TRUN_FLAGS_CTS_OFFSET=2048,p.Box.prototype.add=function(t){return this.addBox(new p[t+"Box"])},p.Box.prototype.addBox=function(t){return this.boxes.push(t),this[t.type+"s"]?this[t.type+"s"].push(t):this[t.type]=t,t},p.Box.prototype.set=function(t,e){return this[t]=e,this},p.Box.prototype.addEntry=function(t,e){var i=e||"entries";return this[i]||(this[i]=[]),this[i].push(t),this},t.BoxParser=p,p.parseUUID=function(t){return p.parseHex16(t)},p.parseHex16=function(t){for(var e="",i=0;i<16;i++){var r=t.readUint8().toString(16);e+=1===r.length?"0"+r:r}return e},p.parseOneBox=function(t,e,i){var r,s,a,o=t.getPosition(),h=0;if(t.getEndPosition()-o<8)return n.debug("BoxParser","Not enough data in stream to parse the type and size of the box"),{code:p.ERR_NOT_ENOUGH_DATA};if(i&&i<8)return n.debug("BoxParser","Not enough bytes left in the parent box to parse a new box"),{code:p.ERR_NOT_ENOUGH_DATA};var d=t.readUint32(),l=t.readString(4),u=l;if(n.debug("BoxParser","Found box of type '"+l+"' and size "+d+" at position "+o),h=8,"uuid"==l){if(t.getEndPosition()-t.getPosition()<16||i-h<16)return t.seek(o),n.debug("BoxParser","Not enough bytes left in the parent box to parse a UUID box"),{code:p.ERR_NOT_ENOUGH_DATA};h+=16,u=a=p.parseUUID(t)}if(1==d){if(t.getEndPosition()-t.getPosition()<8||i&&i-h<8)return t.seek(o),n.warn("BoxParser",'Not enough data in stream to parse the extended size of the "'+l+'" box'),{code:p.ERR_NOT_ENOUGH_DATA};d=t.readUint64(),h+=8}else if(0===d)if(i)d=i;else if("mdat"!==l)return n.error("BoxParser","Unlimited box size not supported for type: '"+l+"'"),r=new p.Box(l,d),{code:p.OK,box:r,size:r.size};return 0!==d&&d<h?(n.error("BoxParser","Box of type "+l+" has an invalid size "+d+" (too small to be a box)"),{code:p.ERR_NOT_ENOUGH_DATA,type:l,size:d,hdr_size:h,start:o}):0!==d&&i&&d>i?(n.error("BoxParser","Box of type '"+l+"' has a size "+d+" greater than its container size "+i),{code:p.ERR_NOT_ENOUGH_DATA,type:l,size:d,hdr_size:h,start:o}):0!==d&&o+d>t.getEndPosition()?(t.seek(o),n.info("BoxParser","Not enough data in stream to parse the entire '"+l+"' box"),{code:p.ERR_NOT_ENOUGH_DATA,type:l,size:d,hdr_size:h,start:o}):e?{code:p.OK,type:l,size:d,hdr_size:h,start:o}:(p[l+"Box"]?r=new p[l+"Box"](d):"uuid"!==l?(n.warn("BoxParser","Unknown box type: '"+l+"'"),(r=new p.Box(l,d)).has_unparsed_data=!0):p.UUIDBoxes[a]?r=new p.UUIDBoxes[a](d):(n.warn("BoxParser","Unknown uuid type: '"+a+"'"),(r=new p.Box(l,d)).uuid=a,r.has_unparsed_data=!0),r.hdr_size=h,r.start=o,r.write===p.Box.prototype.write&&"mdat"!==r.type&&(n.info("BoxParser","'"+u+"' box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(t)),r.parse(t),(s=t.getPosition()-(r.start+r.size))<0?(n.warn("BoxParser","Parsing of box '"+u+"' did not read the entire indicated box data size (missing "+-s+" bytes), seeking forward"),t.seek(r.start+r.size)):s>0&&(n.error("BoxParser","Parsing of box '"+u+"' read "+s+" more bytes than the indicated box data size, seeking backwards"),0!==r.size&&t.seek(r.start+r.size)),{code:p.OK,box:r,size:r.size})},p.Box.prototype.parse=function(t){"mdat"!=this.type?this.data=t.readUint8Array(this.size-this.hdr_size):0===this.size?t.seek(t.getEndPosition()):t.seek(this.start+this.size)},p.Box.prototype.parseDataAndRewind=function(t){this.data=t.readUint8Array(this.size-this.hdr_size),t.position-=this.size-this.hdr_size},p.FullBox.prototype.parseDataAndRewind=function(t){this.parseFullHeader(t),this.data=t.readUint8Array(this.size-this.hdr_size),this.hdr_size-=4,t.position-=this.size-this.hdr_size},p.FullBox.prototype.parseFullHeader=function(t){this.version=t.readUint8(),this.flags=t.readUint24(),this.hdr_size+=4},p.FullBox.prototype.parse=function(t){this.parseFullHeader(t),this.data=t.readUint8Array(this.size-this.hdr_size)},p.ContainerBox.prototype.parse=function(t){for(var e,i;t.getPosition()<this.start+this.size;){if((e=p.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==p.OK)return;if(i=e.box,this.boxes.push(i),this.subBoxNames&&-1!=this.subBoxNames.indexOf(i.type))this[this.subBoxNames[this.subBoxNames.indexOf(i.type)]+"s"].push(i);else{var r="uuid"!==i.type?i.type:i.uuid;this[r]?n.warn("Box of type "+r+" already stored in field of this type"):this[r]=i}}},p.Box.prototype.parseLanguage=function(t){this.language=t.readUint16();var e=[];e[0]=this.language>>10&31,e[1]=this.language>>5&31,e[2]=31&this.language,this.languageString=String.fromCharCode(e[0]+96,e[1]+96,e[2]+96)},p.SAMPLE_ENTRY_TYPE_VISUAL="Visual",p.SAMPLE_ENTRY_TYPE_AUDIO="Audio",p.SAMPLE_ENTRY_TYPE_HINT="Hint",p.SAMPLE_ENTRY_TYPE_METADATA="Metadata",p.SAMPLE_ENTRY_TYPE_SUBTITLE="Subtitle",p.SAMPLE_ENTRY_TYPE_SYSTEM="System",p.SAMPLE_ENTRY_TYPE_TEXT="Text",p.SampleEntry.prototype.parseHeader=function(t){t.readUint8Array(6),this.data_reference_index=t.readUint16(),this.hdr_size+=8},p.SampleEntry.prototype.parse=function(t){this.parseHeader(t),this.data=t.readUint8Array(this.size-this.hdr_size)},p.SampleEntry.prototype.parseDataAndRewind=function(t){this.parseHeader(t),this.data=t.readUint8Array(this.size-this.hdr_size),this.hdr_size-=8,t.position-=this.size-this.hdr_size},p.SampleEntry.prototype.parseFooter=function(t){p.ContainerBox.prototype.parse.call(this,t)},p.createMediaSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_HINT),p.createMediaSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_METADATA),p.createMediaSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_SUBTITLE),p.createMediaSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_SYSTEM),p.createMediaSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_TEXT),p.createMediaSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,(function(t){var e;this.parseHeader(t),t.readUint16(),t.readUint16(),t.readUint32Array(3),this.width=t.readUint16(),this.height=t.readUint16(),this.horizresolution=t.readUint32(),this.vertresolution=t.readUint32(),t.readUint32(),this.frame_count=t.readUint16(),e=Math.min(31,t.readUint8()),this.compressorname=t.readString(e),e<31&&t.readString(31-e),this.depth=t.readUint16(),t.readUint16(),this.parseFooter(t)})),p.createMediaSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_AUDIO,(function(t){this.parseHeader(t),t.readUint32Array(2),this.channel_count=t.readUint16(),this.samplesize=t.readUint16(),t.readUint16(),t.readUint16(),this.samplerate=t.readUint32()/65536,this.parseFooter(t)})),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"avc1"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"avc2"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"avc3"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"avc4"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"av01"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"dav1"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"hvc1"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"hev1"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"hvt1"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"lhe1"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"dvh1"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"dvhe"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"vvc1"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"vvi1"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"vvs1"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"vvcN"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"vp08"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"vp09"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"avs3"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"j2ki"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"mjp2"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"mjpg"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"uncv"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_AUDIO,"mp4a"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_AUDIO,"ac-3"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_AUDIO,"ac-4"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_AUDIO,"ec-3"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_AUDIO,"Opus"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_AUDIO,"mha1"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_AUDIO,"mha2"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_AUDIO,"mhm1"),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_AUDIO,"mhm2"),p.createEncryptedSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_VISUAL,"encv"),p.createEncryptedSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_AUDIO,"enca"),p.createEncryptedSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_SUBTITLE,"encu"),p.createEncryptedSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_SYSTEM,"encs"),p.createEncryptedSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_TEXT,"enct"),p.createEncryptedSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_METADATA,"encm"),p.createBoxCtor("a1lx",(function(t){var e=16*(1+(1&(1&t.readUint8())));this.layer_size=[];for(var i=0;i<3;i++)this.layer_size[i]=16==e?t.readUint16():t.readUint32()})),p.createBoxCtor("a1op",(function(t){this.op_index=t.readUint8()})),p.createFullBoxCtor("auxC",(function(t){this.aux_type=t.readCString();var e=this.size-this.hdr_size-(this.aux_type.length+1);this.aux_subtype=t.readUint8Array(e)})),p.createBoxCtor("av1C",(function(t){var e=t.readUint8();if(e>>7&!1)n.error("av1C marker problem");else if(this.version=127&e,1===this.version)if(e=t.readUint8(),this.seq_profile=e>>5&7,this.seq_level_idx_0=31&e,e=t.readUint8(),this.seq_tier_0=e>>7&1,this.high_bitdepth=e>>6&1,this.twelve_bit=e>>5&1,this.monochrome=e>>4&1,this.chroma_subsampling_x=e>>3&1,this.chroma_subsampling_y=e>>2&1,this.chroma_sample_position=3&e,e=t.readUint8(),this.reserved_1=e>>5&7,0===this.reserved_1){if(this.initial_presentation_delay_present=e>>4&1,1===this.initial_presentation_delay_present)this.initial_presentation_delay_minus_one=15&e;else if(this.reserved_2=15&e,0!==this.reserved_2)return void n.error("av1C reserved_2 parsing problem");var i=this.size-this.hdr_size-4;this.configOBUs=t.readUint8Array(i)}else n.error("av1C reserved_1 parsing problem");else n.error("av1C version "+this.version+" not supported")})),p.createBoxCtor("avcC",(function(t){var e,i;for(this.configurationVersion=t.readUint8(),this.AVCProfileIndication=t.readUint8(),this.profile_compatibility=t.readUint8(),this.AVCLevelIndication=t.readUint8(),this.lengthSizeMinusOne=3&t.readUint8(),this.nb_SPS_nalus=31&t.readUint8(),i=this.size-this.hdr_size-6,this.SPS=[],e=0;e<this.nb_SPS_nalus;e++)this.SPS[e]={},this.SPS[e].length=t.readUint16(),this.SPS[e].nalu=t.readUint8Array(this.SPS[e].length),i-=2+this.SPS[e].length;for(this.nb_PPS_nalus=t.readUint8(),i--,this.PPS=[],e=0;e<this.nb_PPS_nalus;e++)this.PPS[e]={},this.PPS[e].length=t.readUint16(),this.PPS[e].nalu=t.readUint8Array(this.PPS[e].length),i-=2+this.PPS[e].length;i>0&&(this.ext=t.readUint8Array(i))})),p.createBoxCtor("btrt",(function(t){this.bufferSizeDB=t.readUint32(),this.maxBitrate=t.readUint32(),this.avgBitrate=t.readUint32()})),p.createFullBoxCtor("ccst",(function(t){var e=t.readUint8();this.all_ref_pics_intra=!(128&~e),this.intra_pred_used=!(64&~e),this.max_ref_per_pic=(63&e)>>2,t.readUint24()})),p.createBoxCtor("cdef",(function(t){var e;for(this.channel_count=t.readUint16(),this.channel_indexes=[],this.channel_types=[],this.channel_associations=[],e=0;e<this.channel_count;e++)this.channel_indexes.push(t.readUint16()),this.channel_types.push(t.readUint16()),this.channel_associations.push(t.readUint16())})),p.createBoxCtor("clap",(function(t){this.cleanApertureWidthN=t.readUint32(),this.cleanApertureWidthD=t.readUint32(),this.cleanApertureHeightN=t.readUint32(),this.cleanApertureHeightD=t.readUint32(),this.horizOffN=t.readUint32(),this.horizOffD=t.readUint32(),this.vertOffN=t.readUint32(),this.vertOffD=t.readUint32()})),p.createBoxCtor("clli",(function(t){this.max_content_light_level=t.readUint16(),this.max_pic_average_light_level=t.readUint16()})),p.createFullBoxCtor("cmex",(function(t){1&this.flags&&(this.pos_x=t.readInt32()),2&this.flags&&(this.pos_y=t.readInt32()),4&this.flags&&(this.pos_z=t.readInt32()),8&this.flags&&(0==this.version?16&this.flags?(this.quat_x=t.readInt32(),this.quat_y=t.readInt32(),this.quat_z=t.readInt32()):(this.quat_x=t.readInt16(),this.quat_y=t.readInt16(),this.quat_z=t.readInt16()):this.version),32&this.flags&&(this.id=t.readUint32())})),p.createFullBoxCtor("cmin",(function(t){this.focal_length_x=t.readInt32(),this.principal_point_x=t.readInt32(),this.principal_point_y=t.readInt32(),1&this.flags&&(this.focal_length_y=t.readInt32(),this.skew_factor=t.readInt32())})),p.createBoxCtor("cmpd",(function(t){for(this.component_count=t.readUint16(),this.component_types=[],this.component_type_urls=[],i=0;i<this.component_count;i++){var e=t.readUint16();this.component_types.push(e),e>=32768&&this.component_type_urls.push(t.readCString())}})),p.createFullBoxCtor("co64",(function(t){var e,i;if(e=t.readUint32(),this.chunk_offsets=[],0===this.version)for(i=0;i<e;i++)this.chunk_offsets.push(t.readUint64())})),p.createFullBoxCtor("CoLL",(function(t){this.maxCLL=t.readUint16(),this.maxFALL=t.readUint16()})),p.createBoxCtor("colr",(function(t){if(this.colour_type=t.readString(4),"nclx"===this.colour_type){this.colour_primaries=t.readUint16(),this.transfer_characteristics=t.readUint16(),this.matrix_coefficients=t.readUint16();var e=t.readUint8();this.full_range_flag=e>>7}else("rICC"===this.colour_type||"prof"===this.colour_type)&&(this.ICC_profile=t.readUint8Array(this.size-4))})),p.createFullBoxCtor("cprt",(function(t){this.parseLanguage(t),this.notice=t.readCString()})),p.createFullBoxCtor("cslg",(function(t){0===this.version&&(this.compositionToDTSShift=t.readInt32(),this.leastDecodeToDisplayDelta=t.readInt32(),this.greatestDecodeToDisplayDelta=t.readInt32(),this.compositionStartTime=t.readInt32(),this.compositionEndTime=t.readInt32())})),p.createFullBoxCtor("ctts",(function(t){var e,i;if(e=t.readUint32(),this.sample_counts=[],this.sample_offsets=[],0===this.version)for(i=0;i<e;i++){this.sample_counts.push(t.readUint32());var r=t.readInt32();r<0&&n.warn("BoxParser","ctts box uses negative values without using version 1"),this.sample_offsets.push(r)}else if(1==this.version)for(i=0;i<e;i++)this.sample_counts.push(t.readUint32()),this.sample_offsets.push(t.readInt32())})),p.createBoxCtor("dac3",(function(t){var e=t.readUint8(),i=t.readUint8(),r=t.readUint8();this.fscod=e>>6,this.bsid=e>>1&31,this.bsmod=(1&e)<<2|i>>6&3,this.acmod=i>>3&7,this.lfeon=i>>2&1,this.bit_rate_code=3&i|r>>5&7})),p.createBoxCtor("dec3",(function(t){var e=t.readUint16();this.data_rate=e>>3,this.num_ind_sub=7&e,this.ind_subs=[];for(var i=0;i<this.num_ind_sub+1;i++){var r={};this.ind_subs.push(r);var s=t.readUint8(),n=t.readUint8(),a=t.readUint8();r.fscod=s>>6,r.bsid=s>>1&31,r.bsmod=(1&s)<<4|n>>4&15,r.acmod=n>>1&7,r.lfeon=1&n,r.num_dep_sub=a>>1&15,r.num_dep_sub>0&&(r.chan_loc=(1&a)<<8|t.readUint8())}})),p.createFullBoxCtor("dfLa",(function(t){var e=[],i=["STREAMINFO","PADDING","APPLICATION","SEEKTABLE","VORBIS_COMMENT","CUESHEET","PICTURE","RESERVED"];for(this.parseFullHeader(t);;){var r=t.readUint8(),s=Math.min(127&r,i.length-1);if(s?t.readUint8Array(t.readUint24()):(t.readUint8Array(13),this.samplerate=t.readUint32()>>12,t.readUint8Array(20)),e.push(i[s]),128&r)break}this.numMetadataBlocks=e.length+" ("+e.join(", ")+")"})),p.createBoxCtor("dimm",(function(t){this.bytessent=t.readUint64()})),p.createBoxCtor("dmax",(function(t){this.time=t.readUint32()})),p.createBoxCtor("dmed",(function(t){this.bytessent=t.readUint64()})),p.createBoxCtor("dOps",(function(t){if(this.Version=t.readUint8(),this.OutputChannelCount=t.readUint8(),this.PreSkip=t.readUint16(),this.InputSampleRate=t.readUint32(),this.OutputGain=t.readInt16(),this.ChannelMappingFamily=t.readUint8(),0!==this.ChannelMappingFamily){this.StreamCount=t.readUint8(),this.CoupledCount=t.readUint8(),this.ChannelMapping=[];for(var e=0;e<this.OutputChannelCount;e++)this.ChannelMapping[e]=t.readUint8()}})),p.createFullBoxCtor("dref",(function(t){var e,i;this.entries=[];for(var r=t.readUint32(),s=0;s<r;s++){if((e=p.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==p.OK)return;i=e.box,this.entries.push(i)}})),p.createBoxCtor("drep",(function(t){this.bytessent=t.readUint64()})),p.createFullBoxCtor("elng",(function(t){this.extended_language=t.readString(this.size-this.hdr_size)})),p.createFullBoxCtor("elst",(function(t){this.entries=[];for(var e=t.readUint32(),i=0;i<e;i++){var r={};this.entries.push(r),1===this.version?(r.segment_duration=t.readUint64(),r.media_time=t.readInt64()):(r.segment_duration=t.readUint32(),r.media_time=t.readInt32()),r.media_rate_integer=t.readInt16(),r.media_rate_fraction=t.readInt16()}})),p.createFullBoxCtor("emsg",(function(t){1==this.version?(this.timescale=t.readUint32(),this.presentation_time=t.readUint64(),this.event_duration=t.readUint32(),this.id=t.readUint32(),this.scheme_id_uri=t.readCString(),this.value=t.readCString()):(this.scheme_id_uri=t.readCString(),this.value=t.readCString(),this.timescale=t.readUint32(),this.presentation_time_delta=t.readUint32(),this.event_duration=t.readUint32(),this.id=t.readUint32());var e=this.size-this.hdr_size-(16+(this.scheme_id_uri.length+1)+(this.value.length+1));1==this.version&&(e-=4),this.message_data=t.readUint8Array(e)})),p.createEntityToGroupCtor=function(t,e){p[t+"Box"]=function(e){p.FullBox.call(this,t,e)},p[t+"Box"].prototype=new p.FullBox,p[t+"Box"].prototype.parse=function(t){if(this.parseFullHeader(t),e)e.call(this,t);else for(this.group_id=t.readUint32(),this.num_entities_in_group=t.readUint32(),this.entity_ids=[],i=0;i<this.num_entities_in_group;i++){var r=t.readUint32();this.entity_ids.push(r)}}},p.createEntityToGroupCtor("aebr"),p.createEntityToGroupCtor("afbr"),p.createEntityToGroupCtor("albc"),p.createEntityToGroupCtor("altr"),p.createEntityToGroupCtor("brst"),p.createEntityToGroupCtor("dobr"),p.createEntityToGroupCtor("eqiv"),p.createEntityToGroupCtor("favc"),p.createEntityToGroupCtor("fobr"),p.createEntityToGroupCtor("iaug"),p.createEntityToGroupCtor("pano"),p.createEntityToGroupCtor("slid"),p.createEntityToGroupCtor("ster"),p.createEntityToGroupCtor("tsyn"),p.createEntityToGroupCtor("wbbr"),p.createEntityToGroupCtor("prgr"),p.createFullBoxCtor("esds",(function(t){var e=t.readUint8Array(this.size-this.hdr_size);if(this.data=e,void 0!==l){var i=new l;this.esd=i.parseOneDescriptor(new o(e.buffer,0,o.BIG_ENDIAN))}})),p.createBoxCtor("fiel",(function(t){this.fieldCount=t.readUint8(),this.fieldOrdering=t.readUint8()})),p.createBoxCtor("frma",(function(t){this.data_format=t.readString(4)})),p.createBoxCtor("ftyp",(function(t){var e=this.size-this.hdr_size;this.major_brand=t.readString(4),this.minor_version=t.readUint32(),e-=8,this.compatible_brands=[];for(var i=0;e>=4;)this.compatible_brands[i]=t.readString(4),e-=4,i++})),p.createFullBoxCtor("hdlr",(function(t){0===this.version&&(t.readUint32(),this.handler=t.readString(4),t.readUint32Array(3),this.name=t.readString(this.size-this.hdr_size-20),"\0"===this.name[this.name.length-1]&&(this.name=this.name.slice(0,-1)))})),p.createBoxCtor("hvcC",(function(t){var e,i,r,s;this.configurationVersion=t.readUint8(),s=t.readUint8(),this.general_profile_space=s>>6,this.general_tier_flag=(32&s)>>5,this.general_profile_idc=31&s,this.general_profile_compatibility=t.readUint32(),this.general_constraint_indicator=t.readUint8Array(6),this.general_level_idc=t.readUint8(),this.min_spatial_segmentation_idc=4095&t.readUint16(),this.parallelismType=3&t.readUint8(),this.chroma_format_idc=3&t.readUint8(),this.bit_depth_luma_minus8=7&t.readUint8(),this.bit_depth_chroma_minus8=7&t.readUint8(),this.avgFrameRate=t.readUint16(),s=t.readUint8(),this.constantFrameRate=s>>6,this.numTemporalLayers=(13&s)>>3,this.temporalIdNested=(4&s)>>2,this.lengthSizeMinusOne=3&s,this.nalu_arrays=[];var n=t.readUint8();for(e=0;e<n;e++){var a=[];this.nalu_arrays.push(a),s=t.readUint8(),a.completeness=(128&s)>>7,a.nalu_type=63&s;var o=t.readUint16();for(i=0;i<o;i++){var h={};a.push(h),r=t.readUint16(),h.data=t.readUint8Array(r)}}})),p.createFullBoxCtor("iinf",(function(t){var e;0===this.version?this.entry_count=t.readUint16():this.entry_count=t.readUint32(),this.item_infos=[];for(var i=0;i<this.entry_count;i++){if((e=p.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==p.OK)return;"infe"!==e.box.type&&n.error("BoxParser","Expected 'infe' box, got "+e.box.type),this.item_infos[i]=e.box}})),p.createFullBoxCtor("iloc",(function(t){var e;e=t.readUint8(),this.offset_size=e>>4&15,this.length_size=15&e,e=t.readUint8(),this.base_offset_size=e>>4&15,1===this.version||2===this.version?this.index_size=15&e:this.index_size=0,this.items=[];var i=0;if(this.version<2)i=t.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";i=t.readUint32()}for(var r=0;r<i;r++){var s={};if(this.items.push(s),this.version<2)s.item_ID=t.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";s.item_ID=t.readUint16()}switch(1===this.version||2===this.version?s.construction_method=15&t.readUint16():s.construction_method=0,s.data_reference_index=t.readUint16(),this.base_offset_size){case 0:s.base_offset=0;break;case 4:s.base_offset=t.readUint32();break;case 8:s.base_offset=t.readUint64();break;default:throw"Error reading base offset size"}var n=t.readUint16();s.extents=[];for(var a=0;a<n;a++){var o={};if(s.extents.push(o),1===this.version||2===this.version)switch(this.index_size){case 0:o.extent_index=0;break;case 4:o.extent_index=t.readUint32();break;case 8:o.extent_index=t.readUint64();break;default:throw"Error reading extent index"}switch(this.offset_size){case 0:o.extent_offset=0;break;case 4:o.extent_offset=t.readUint32();break;case 8:o.extent_offset=t.readUint64();break;default:throw"Error reading extent index"}switch(this.length_size){case 0:o.extent_length=0;break;case 4:o.extent_length=t.readUint32();break;case 8:o.extent_length=t.readUint64();break;default:throw"Error reading extent index"}}}})),p.createBoxCtor("imir",(function(t){var e=t.readUint8();this.reserved=e>>7,this.axis=1&e})),p.createFullBoxCtor("infe",(function(t){if(0!==this.version&&1!==this.version||(this.item_ID=t.readUint16(),this.item_protection_index=t.readUint16(),this.item_name=t.readCString(),this.content_type=t.readCString(),this.content_encoding=t.readCString()),1===this.version)return this.extension_type=t.readString(4),n.warn("BoxParser","Cannot parse extension type"),void t.seek(this.start+this.size);this.version>=2&&(2===this.version?this.item_ID=t.readUint16():3===this.version&&(this.item_ID=t.readUint32()),this.item_protection_index=t.readUint16(),this.item_type=t.readString(4),this.item_name=t.readCString(),"mime"===this.item_type?(this.content_type=t.readCString(),this.content_encoding=t.readCString()):"uri "===this.item_type&&(this.item_uri_type=t.readCString()))})),p.createFullBoxCtor("ipma",(function(t){var e,i;for(entry_count=t.readUint32(),this.associations=[],e=0;e<entry_count;e++){var r={};this.associations.push(r),this.version<1?r.id=t.readUint16():r.id=t.readUint32();var s=t.readUint8();for(r.props=[],i=0;i<s;i++){var n=t.readUint8(),a={};r.props.push(a),a.essential=(128&n)>>7==1,1&this.flags?a.property_index=(127&n)<<8|t.readUint8():a.property_index=127&n}}})),p.createFullBoxCtor("iref",(function(t){var e,i;for(this.references=[];t.getPosition()<this.start+this.size;){if((e=p.parseOneBox(t,!0,this.size-(t.getPosition()-this.start))).code!==p.OK)return;(i=0===this.version?new p.SingleItemTypeReferenceBox(e.type,e.size,e.hdr_size,e.start):new p.SingleItemTypeReferenceBoxLarge(e.type,e.size,e.hdr_size,e.start)).write===p.Box.prototype.write&&"mdat"!==i.type&&(n.warn("BoxParser",i.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),i.parseDataAndRewind(t)),i.parse(t),this.references.push(i)}})),p.createBoxCtor("irot",(function(t){this.angle=3&t.readUint8()})),p.createFullBoxCtor("ispe",(function(t){this.image_width=t.readUint32(),this.image_height=t.readUint32()})),p.createFullBoxCtor("kind",(function(t){this.schemeURI=t.readCString(),this.value=t.readCString()})),p.createFullBoxCtor("leva",(function(t){var e=t.readUint8();this.levels=[];for(var i=0;i<e;i++){var r={};this.levels[i]=r,r.track_ID=t.readUint32();var s=t.readUint8();switch(r.padding_flag=s>>7,r.assignment_type=127&s,r.assignment_type){case 0:r.grouping_type=t.readString(4);break;case 1:r.grouping_type=t.readString(4),r.grouping_type_parameter=t.readUint32();break;case 2:case 3:break;case 4:r.sub_track_id=t.readUint32();break;default:n.warn("BoxParser","Unknown leva assignement type")}}})),p.createBoxCtor("lsel",(function(t){this.layer_id=t.readUint16()})),p.createBoxCtor("maxr",(function(t){this.period=t.readUint32(),this.bytes=t.readUint32()})),p.createBoxCtor("mdcv",(function(t){this.display_primaries=[],this.display_primaries[0]={},this.display_primaries[0].x=t.readUint16(),this.display_primaries[0].y=t.readUint16(),this.display_primaries[1]={},this.display_primaries[1].x=t.readUint16(),this.display_primaries[1].y=t.readUint16(),this.display_primaries[2]={},this.display_primaries[2].x=t.readUint16(),this.display_primaries[2].y=t.readUint16(),this.white_point={},this.white_point.x=t.readUint16(),this.white_point.y=t.readUint16(),this.max_display_mastering_luminance=t.readUint32(),this.min_display_mastering_luminance=t.readUint32()})),p.createFullBoxCtor("mdhd",(function(t){1==this.version?(this.creation_time=t.readUint64(),this.modification_time=t.readUint64(),this.timescale=t.readUint32(),this.duration=t.readUint64()):(this.creation_time=t.readUint32(),this.modification_time=t.readUint32(),this.timescale=t.readUint32(),this.duration=t.readUint32()),this.parseLanguage(t),t.readUint16()})),p.createFullBoxCtor("mehd",(function(t){1&this.flags&&(n.warn("BoxParser","mehd box incorrectly uses flags set to 1, converting version to 1"),this.version=1),1==this.version?this.fragment_duration=t.readUint64():this.fragment_duration=t.readUint32()})),p.createFullBoxCtor("meta",(function(t){this.boxes=[],p.ContainerBox.prototype.parse.call(this,t)})),p.createFullBoxCtor("mfhd",(function(t){this.sequence_number=t.readUint32()})),p.createFullBoxCtor("mfro",(function(t){this._size=t.readUint32()})),p.createFullBoxCtor("mvhd",(function(t){1==this.version?(this.creation_time=t.readUint64(),this.modification_time=t.readUint64(),this.timescale=t.readUint32(),this.duration=t.readUint64()):(this.creation_time=t.readUint32(),this.modification_time=t.readUint32(),this.timescale=t.readUint32(),this.duration=t.readUint32()),this.rate=t.readUint32(),this.volume=t.readUint16()>>8,t.readUint16(),t.readUint32Array(2),this.matrix=t.readUint32Array(9),t.readUint32Array(6),this.next_track_id=t.readUint32()})),p.createBoxCtor("npck",(function(t){this.packetssent=t.readUint32()})),p.createBoxCtor("nump",(function(t){this.packetssent=t.readUint64()})),p.createFullBoxCtor("padb",(function(t){var e=t.readUint32();this.padbits=[];for(var i=0;i<Math.floor((e+1)/2);i++)this.padbits=t.readUint8()})),p.createBoxCtor("pasp",(function(t){this.hSpacing=t.readUint32(),this.vSpacing=t.readUint32()})),p.createBoxCtor("payl",(function(t){this.text=t.readString(this.size-this.hdr_size)})),p.createBoxCtor("payt",(function(t){this.payloadID=t.readUint32();var e=t.readUint8();this.rtpmap_string=t.readString(e)})),p.createFullBoxCtor("pdin",(function(t){var e=(this.size-this.hdr_size)/8;this.rate=[],this.initial_delay=[];for(var i=0;i<e;i++)this.rate[i]=t.readUint32(),this.initial_delay[i]=t.readUint32()})),p.createFullBoxCtor("pitm",(function(t){0===this.version?this.item_id=t.readUint16():this.item_id=t.readUint32()})),p.createFullBoxCtor("pixi",(function(t){var e;for(this.num_channels=t.readUint8(),this.bits_per_channels=[],e=0;e<this.num_channels;e++)this.bits_per_channels[e]=t.readUint8()})),p.createBoxCtor("pmax",(function(t){this.bytes=t.readUint32()})),p.createFullBoxCtor("prdi",(function(t){if(this.step_count=t.readUint16(),this.item_count=[],2&this.flags)for(var e=0;e<this.step_count;e++)this.item_count[e]=t.readUint16()})),p.createFullBoxCtor("prft",(function(t){this.ref_track_id=t.readUint32(),this.ntp_timestamp=t.readUint64(),0===this.version?this.media_time=t.readUint32():this.media_time=t.readUint64()})),p.createFullBoxCtor("pssh",(function(t){if(this.system_id=p.parseHex16(t),this.version>0){var e=t.readUint32();this.kid=[];for(var i=0;i<e;i++)this.kid[i]=p.parseHex16(t)}var r=t.readUint32();r>0&&(this.data=t.readUint8Array(r))})),p.createFullBoxCtor("clef",(function(t){this.width=t.readUint32(),this.height=t.readUint32()})),p.createFullBoxCtor("enof",(function(t){this.width=t.readUint32(),this.height=t.readUint32()})),p.createFullBoxCtor("prof",(function(t){this.width=t.readUint32(),this.height=t.readUint32()})),p.createContainerBoxCtor("tapt",null,["clef","prof","enof"]),p.createBoxCtor("rtp ",(function(t){this.descriptionformat=t.readString(4),this.sdptext=t.readString(this.size-this.hdr_size-4)})),p.createFullBoxCtor("saio",(function(t){1&this.flags&&(this.aux_info_type=t.readUint32(),this.aux_info_type_parameter=t.readUint32());var e=t.readUint32();this.offset=[];for(var i=0;i<e;i++)0===this.version?this.offset[i]=t.readUint32():this.offset[i]=t.readUint64()})),p.createFullBoxCtor("saiz",(function(t){1&this.flags&&(this.aux_info_type=t.readUint32(),this.aux_info_type_parameter=t.readUint32()),this.default_sample_info_size=t.readUint8();var e=t.readUint32();if(this.sample_info_size=[],0===this.default_sample_info_size)for(var i=0;i<e;i++)this.sample_info_size[i]=t.readUint8()})),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_METADATA,"mett",(function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.mime_format=t.readCString(),this.parseFooter(t)})),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_METADATA,"metx",(function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.namespace=t.readCString(),this.schema_location=t.readCString(),this.parseFooter(t)})),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_SUBTITLE,"sbtt",(function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.mime_format=t.readCString(),this.parseFooter(t)})),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_SUBTITLE,"stpp",(function(t){this.parseHeader(t),this.namespace=t.readCString(),this.schema_location=t.readCString(),this.auxiliary_mime_types=t.readCString(),this.parseFooter(t)})),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_SUBTITLE,"stxt",(function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.mime_format=t.readCString(),this.parseFooter(t)})),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_SUBTITLE,"tx3g",(function(t){this.parseHeader(t),this.displayFlags=t.readUint32(),this.horizontal_justification=t.readInt8(),this.vertical_justification=t.readInt8(),this.bg_color_rgba=t.readUint8Array(4),this.box_record=t.readInt16Array(4),this.style_record=t.readUint8Array(12),this.parseFooter(t)})),p.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_METADATA,"wvtt",(function(t){this.parseHeader(t),this.parseFooter(t)})),p.createSampleGroupCtor("alst",(function(t){var e,i=t.readUint16();for(this.first_output_sample=t.readUint16(),this.sample_offset=[],e=0;e<i;e++)this.sample_offset[e]=t.readUint32();var r=this.description_length-4-4*i;for(this.num_output_samples=[],this.num_total_samples=[],e=0;e<r/4;e++)this.num_output_samples[e]=t.readUint16(),this.num_total_samples[e]=t.readUint16()})),p.createSampleGroupCtor("avll",(function(t){this.layerNumber=t.readUint8(),this.accurateStatisticsFlag=t.readUint8(),this.avgBitRate=t.readUint16(),this.avgFrameRate=t.readUint16()})),p.createSampleGroupCtor("avss",(function(t){this.subSequenceIdentifier=t.readUint16(),this.layerNumber=t.readUint8();var e=t.readUint8();this.durationFlag=e>>7,this.avgRateFlag=e>>6&1,this.durationFlag&&(this.duration=t.readUint32()),this.avgRateFlag&&(this.accurateStatisticsFlag=t.readUint8(),this.avgBitRate=t.readUint16(),this.avgFrameRate=t.readUint16()),this.dependency=[];for(var i=t.readUint8(),r=0;r<i;r++){var s={};this.dependency.push(s),s.subSeqDirectionFlag=t.readUint8(),s.layerNumber=t.readUint8(),s.subSequenceIdentifier=t.readUint16()}})),p.createSampleGroupCtor("dtrt",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),p.createSampleGroupCtor("mvif",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),p.createSampleGroupCtor("prol",(function(t){this.roll_distance=t.readInt16()})),p.createSampleGroupCtor("rap ",(function(t){var e=t.readUint8();this.num_leading_samples_known=e>>7,this.num_leading_samples=127&e})),p.createSampleGroupCtor("rash",(function(t){if(this.operation_point_count=t.readUint16(),this.description_length!==2+(1===this.operation_point_count?2:6*this.operation_point_count)+9)n.warn("BoxParser","Mismatch in "+this.grouping_type+" sample group length"),this.data=t.readUint8Array(this.description_length-2);else{if(1===this.operation_point_count)this.target_rate_share=t.readUint16();else{this.target_rate_share=[],this.available_bitrate=[];for(var e=0;e<this.operation_point_count;e++)this.available_bitrate[e]=t.readUint32(),this.target_rate_share[e]=t.readUint16()}this.maximum_bitrate=t.readUint32(),this.minimum_bitrate=t.readUint32(),this.discard_priority=t.readUint8()}})),p.createSampleGroupCtor("roll",(function(t){this.roll_distance=t.readInt16()})),p.SampleGroupEntry.prototype.parse=function(t){n.warn("BoxParser","Unknown Sample Group type: "+this.grouping_type),this.data=t.readUint8Array(this.description_length)},p.createSampleGroupCtor("scif",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),p.createSampleGroupCtor("scnm",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),p.createSampleGroupCtor("seig",(function(t){this.reserved=t.readUint8();var e=t.readUint8();this.crypt_byte_block=e>>4,this.skip_byte_block=15&e,this.isProtected=t.readUint8(),this.Per_Sample_IV_Size=t.readUint8(),this.KID=p.parseHex16(t),this.constant_IV_size=0,this.constant_IV=0,1===this.isProtected&&0===this.Per_Sample_IV_Size&&(this.constant_IV_size=t.readUint8(),this.constant_IV=t.readUint8Array(this.constant_IV_size))})),p.createSampleGroupCtor("stsa",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),p.createSampleGroupCtor("sync",(function(t){var e=t.readUint8();this.NAL_unit_type=63&e})),p.createSampleGroupCtor("tele",(function(t){var e=t.readUint8();this.level_independently_decodable=e>>7})),p.createSampleGroupCtor("tsas",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),p.createSampleGroupCtor("tscl",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),p.createSampleGroupCtor("vipr",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),p.createFullBoxCtor("sbgp",(function(t){this.grouping_type=t.readString(4),1===this.version?this.grouping_type_parameter=t.readUint32():this.grouping_type_parameter=0,this.entries=[];for(var e=t.readUint32(),i=0;i<e;i++){var r={};this.entries.push(r),r.sample_count=t.readInt32(),r.group_description_index=t.readInt32()}})),p.createFullBoxCtor("schm",(function(t){this.scheme_type=t.readString(4),this.scheme_version=t.readUint32(),1&this.flags&&(this.scheme_uri=t.readString(this.size-this.hdr_size-8))})),p.createBoxCtor("sdp ",(function(t){this.sdptext=t.readString(this.size-this.hdr_size)})),p.createFullBoxCtor("sdtp",(function(t){var e,i=this.size-this.hdr_size;this.is_leading=[],this.sample_depends_on=[],this.sample_is_depended_on=[],this.sample_has_redundancy=[];for(var r=0;r<i;r++)e=t.readUint8(),this.is_leading[r]=e>>6,this.sample_depends_on[r]=e>>4&3,this.sample_is_depended_on[r]=e>>2&3,this.sample_has_redundancy[r]=3&e})),p.createFullBoxCtor("senc"),p.createFullBoxCtor("sgpd",(function(t){this.grouping_type=t.readString(4),n.debug("BoxParser","Found Sample Groups of type "+this.grouping_type),1===this.version?this.default_length=t.readUint32():this.default_length=0,this.version>=2&&(this.default_group_description_index=t.readUint32()),this.entries=[];for(var e=t.readUint32(),i=0;i<e;i++){var r;r=p[this.grouping_type+"SampleGroupEntry"]?new p[this.grouping_type+"SampleGroupEntry"](this.grouping_type):new p.SampleGroupEntry(this.grouping_type),this.entries.push(r),1===this.version&&0===this.default_length?r.description_length=t.readUint32():r.description_length=this.default_length,r.write===p.SampleGroupEntry.prototype.write&&(n.info("BoxParser","SampleGroup for type "+this.grouping_type+" writing not yet implemented, keeping unparsed data in memory for later write"),r.data=t.readUint8Array(r.description_length),t.position-=r.description_length),r.parse(t)}})),p.createFullBoxCtor("sidx",(function(t){this.reference_ID=t.readUint32(),this.timescale=t.readUint32(),0===this.version?(this.earliest_presentation_time=t.readUint32(),this.first_offset=t.readUint32()):(this.earliest_presentation_time=t.readUint64(),this.first_offset=t.readUint64()),t.readUint16(),this.references=[];for(var e=t.readUint16(),i=0;i<e;i++){var r={};this.references.push(r);var s=t.readUint32();r.reference_type=s>>31&1,r.referenced_size=2147483647&s,r.subsegment_duration=t.readUint32(),s=t.readUint32(),r.starts_with_SAP=s>>31&1,r.SAP_type=s>>28&7,r.SAP_delta_time=268435455&s}})),p.SingleItemTypeReferenceBox=function(t,e,i,r){p.Box.call(this,t,e),this.hdr_size=i,this.start=r},p.SingleItemTypeReferenceBox.prototype=new p.Box,p.SingleItemTypeReferenceBox.prototype.parse=function(t){this.from_item_ID=t.readUint16();var e=t.readUint16();this.references=[];for(var i=0;i<e;i++)this.references[i]={},this.references[i].to_item_ID=t.readUint16()},p.SingleItemTypeReferenceBoxLarge=function(t,e,i,r){p.Box.call(this,t,e),this.hdr_size=i,this.start=r},p.SingleItemTypeReferenceBoxLarge.prototype=new p.Box,p.SingleItemTypeReferenceBoxLarge.prototype.parse=function(t){this.from_item_ID=t.readUint32();var e=t.readUint16();this.references=[];for(var i=0;i<e;i++)this.references[i]={},this.references[i].to_item_ID=t.readUint32()},p.createFullBoxCtor("SmDm",(function(t){this.primaryRChromaticity_x=t.readUint16(),this.primaryRChromaticity_y=t.readUint16(),this.primaryGChromaticity_x=t.readUint16(),this.primaryGChromaticity_y=t.readUint16(),this.primaryBChromaticity_x=t.readUint16(),this.primaryBChromaticity_y=t.readUint16(),this.whitePointChromaticity_x=t.readUint16(),this.whitePointChromaticity_y=t.readUint16(),this.luminanceMax=t.readUint32(),this.luminanceMin=t.readUint32()})),p.createFullBoxCtor("smhd",(function(t){this.balance=t.readUint16(),t.readUint16()})),p.createFullBoxCtor("ssix",(function(t){this.subsegments=[];for(var e=t.readUint32(),i=0;i<e;i++){var r={};this.subsegments.push(r),r.ranges=[];for(var s=t.readUint32(),n=0;n<s;n++){var a={};r.ranges.push(a),a.level=t.readUint8(),a.range_size=t.readUint24()}}})),p.createFullBoxCtor("stco",(function(t){var e;if(e=t.readUint32(),this.chunk_offsets=[],0===this.version)for(var i=0;i<e;i++)this.chunk_offsets.push(t.readUint32())})),p.createFullBoxCtor("stdp",(function(t){var e=(this.size-this.hdr_size)/2;this.priority=[];for(var i=0;i<e;i++)this.priority[i]=t.readUint16()})),p.createFullBoxCtor("sthd"),p.createFullBoxCtor("stri",(function(t){this.switch_group=t.readUint16(),this.alternate_group=t.readUint16(),this.sub_track_id=t.readUint32();var e=(this.size-this.hdr_size-8)/4;this.attribute_list=[];for(var i=0;i<e;i++)this.attribute_list[i]=t.readUint32()})),p.createFullBoxCtor("stsc",(function(t){var e,i;if(e=t.readUint32(),this.first_chunk=[],this.samples_per_chunk=[],this.sample_description_index=[],0===this.version)for(i=0;i<e;i++)this.first_chunk.push(t.readUint32()),this.samples_per_chunk.push(t.readUint32()),this.sample_description_index.push(t.readUint32())})),p.createFullBoxCtor("stsd",(function(t){var e,i,r,s;for(this.entries=[],r=t.readUint32(),e=1;e<=r;e++){if((i=p.parseOneBox(t,!0,this.size-(t.getPosition()-this.start))).code!==p.OK)return;p[i.type+"SampleEntry"]?((s=new p[i.type+"SampleEntry"](i.size)).hdr_size=i.hdr_size,s.start=i.start):(n.warn("BoxParser","Unknown sample entry type: "+i.type),s=new p.SampleEntry(i.type,i.size,i.hdr_size,i.start)),s.write===p.SampleEntry.prototype.write&&(n.info("BoxParser","SampleEntry "+s.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),s.parseDataAndRewind(t)),s.parse(t),this.entries.push(s)}})),p.createFullBoxCtor("stsg",(function(t){this.grouping_type=t.readUint32();var e=t.readUint16();this.group_description_index=[];for(var i=0;i<e;i++)this.group_description_index[i]=t.readUint32()})),p.createFullBoxCtor("stsh",(function(t){var e,i;if(e=t.readUint32(),this.shadowed_sample_numbers=[],this.sync_sample_numbers=[],0===this.version)for(i=0;i<e;i++)this.shadowed_sample_numbers.push(t.readUint32()),this.sync_sample_numbers.push(t.readUint32())})),p.createFullBoxCtor("stss",(function(t){var e,i;if(i=t.readUint32(),0===this.version)for(this.sample_numbers=[],e=0;e<i;e++)this.sample_numbers.push(t.readUint32())})),p.createFullBoxCtor("stsz",(function(t){var e;if(this.sample_sizes=[],0===this.version)for(this.sample_size=t.readUint32(),this.sample_count=t.readUint32(),e=0;e<this.sample_count;e++)0===this.sample_size?this.sample_sizes.push(t.readUint32()):this.sample_sizes[e]=this.sample_size})),p.createFullBoxCtor("stts",(function(t){var e,i,r;if(e=t.readUint32(),this.sample_counts=[],this.sample_deltas=[],0===this.version)for(i=0;i<e;i++)this.sample_counts.push(t.readUint32()),(r=t.readInt32())<0&&(n.warn("BoxParser","File uses negative stts sample delta, using value 1 instead, sync may be lost!"),r=1),this.sample_deltas.push(r)})),p.createFullBoxCtor("stvi",(function(t){var e=t.readUint32();this.single_view_allowed=3&e,this.stereo_scheme=t.readUint32();var i,r,s=t.readUint32();for(this.stereo_indication_type=t.readString(s),this.boxes=[];t.getPosition()<this.start+this.size;){if((i=p.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==p.OK)return;r=i.box,this.boxes.push(r),this[r.type]=r}})),p.createBoxCtor("styp",(function(t){p.ftypBox.prototype.parse.call(this,t)})),p.createFullBoxCtor("stz2",(function(t){var e,i;if(this.sample_sizes=[],0===this.version)if(this.reserved=t.readUint24(),this.field_size=t.readUint8(),i=t.readUint32(),4===this.field_size)for(e=0;e<i;e+=2){var r=t.readUint8();this.sample_sizes[e]=r>>4&15,this.sample_sizes[e+1]=15&r}else if(8===this.field_size)for(e=0;e<i;e++)this.sample_sizes[e]=t.readUint8();else if(16===this.field_size)for(e=0;e<i;e++)this.sample_sizes[e]=t.readUint16();else n.error("BoxParser","Error in length field in stz2 box")})),p.createFullBoxCtor("subs",(function(t){var e,i,r,s;for(r=t.readUint32(),this.entries=[],e=0;e<r;e++){var n={};if(this.entries[e]=n,n.sample_delta=t.readUint32(),n.subsamples=[],(s=t.readUint16())>0)for(i=0;i<s;i++){var a={};n.subsamples.push(a),1==this.version?a.size=t.readUint32():a.size=t.readUint16(),a.priority=t.readUint8(),a.discardable=t.readUint8(),a.codec_specific_parameters=t.readUint32()}}})),p.createFullBoxCtor("tenc",(function(t){if(t.readUint8(),0===this.version)t.readUint8();else{var e=t.readUint8();this.default_crypt_byte_block=e>>4&15,this.default_skip_byte_block=15&e}this.default_isProtected=t.readUint8(),this.default_Per_Sample_IV_Size=t.readUint8(),this.default_KID=p.parseHex16(t),1===this.default_isProtected&&0===this.default_Per_Sample_IV_Size&&(this.default_constant_IV_size=t.readUint8(),this.default_constant_IV=t.readUint8Array(this.default_constant_IV_size))})),p.createFullBoxCtor("tfdt",(function(t){1==this.version?this.baseMediaDecodeTime=t.readUint64():this.baseMediaDecodeTime=t.readUint32()})),p.createFullBoxCtor("tfhd",(function(t){var e=0;this.track_id=t.readUint32(),this.size-this.hdr_size>e&&this.flags&p.TFHD_FLAG_BASE_DATA_OFFSET?(this.base_data_offset=t.readUint64(),e+=8):this.base_data_offset=0,this.size-this.hdr_size>e&&this.flags&p.TFHD_FLAG_SAMPLE_DESC?(this.default_sample_description_index=t.readUint32(),e+=4):this.default_sample_description_index=0,this.size-this.hdr_size>e&&this.flags&p.TFHD_FLAG_SAMPLE_DUR?(this.default_sample_duration=t.readUint32(),e+=4):this.default_sample_duration=0,this.size-this.hdr_size>e&&this.flags&p.TFHD_FLAG_SAMPLE_SIZE?(this.default_sample_size=t.readUint32(),e+=4):this.default_sample_size=0,this.size-this.hdr_size>e&&this.flags&p.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=t.readUint32(),e+=4):this.default_sample_flags=0})),p.createFullBoxCtor("tfra",(function(t){this.track_ID=t.readUint32(),t.readUint24();var e=t.readUint8();this.length_size_of_traf_num=e>>4&3,this.length_size_of_trun_num=e>>2&3,this.length_size_of_sample_num=3&e,this.entries=[];for(var i=t.readUint32(),r=0;r<i;r++)1===this.version?(this.time=t.readUint64(),this.moof_offset=t.readUint64()):(this.time=t.readUint32(),this.moof_offset=t.readUint32()),this.traf_number=t["readUint"+8*(this.length_size_of_traf_num+1)](),this.trun_number=t["readUint"+8*(this.length_size_of_trun_num+1)](),this.sample_number=t["readUint"+8*(this.length_size_of_sample_num+1)]()})),p.createFullBoxCtor("tkhd",(function(t){1==this.version?(this.creation_time=t.readUint64(),this.modification_time=t.readUint64(),this.track_id=t.readUint32(),t.readUint32(),this.duration=t.readUint64()):(this.creation_time=t.readUint32(),this.modification_time=t.readUint32(),this.track_id=t.readUint32(),t.readUint32(),this.duration=t.readUint32()),t.readUint32Array(2),this.layer=t.readInt16(),this.alternate_group=t.readInt16(),this.volume=t.readInt16()>>8,t.readUint16(),this.matrix=t.readInt32Array(9),this.width=t.readUint32(),this.height=t.readUint32()})),p.createBoxCtor("tmax",(function(t){this.time=t.readUint32()})),p.createBoxCtor("tmin",(function(t){this.time=t.readUint32()})),p.createBoxCtor("totl",(function(t){this.bytessent=t.readUint32()})),p.createBoxCtor("tpay",(function(t){this.bytessent=t.readUint32()})),p.createBoxCtor("tpyl",(function(t){this.bytessent=t.readUint64()})),p.TrackGroupTypeBox.prototype.parse=function(t){this.parseFullHeader(t),this.track_group_id=t.readUint32()},p.createTrackGroupCtor("msrc"),p.TrackReferenceTypeBox=function(t,e,i,r){p.Box.call(this,t,e),this.hdr_size=i,this.start=r},p.TrackReferenceTypeBox.prototype=new p.Box,p.TrackReferenceTypeBox.prototype.parse=function(t){this.track_ids=t.readUint32Array((this.size-this.hdr_size)/4)},p.trefBox.prototype.parse=function(t){for(var e,i;t.getPosition()<this.start+this.size;){if((e=p.parseOneBox(t,!0,this.size-(t.getPosition()-this.start))).code!==p.OK)return;(i=new p.TrackReferenceTypeBox(e.type,e.size,e.hdr_size,e.start)).write===p.Box.prototype.write&&"mdat"!==i.type&&(n.info("BoxParser","TrackReference "+i.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),i.parseDataAndRewind(t)),i.parse(t),this.boxes.push(i)}},p.createFullBoxCtor("trep",(function(t){for(this.track_ID=t.readUint32(),this.boxes=[];t.getPosition()<this.start+this.size;){if(ret=p.parseOneBox(t,!1,this.size-(t.getPosition()-this.start)),ret.code!==p.OK)return;box=ret.box,this.boxes.push(box)}})),p.createFullBoxCtor("trex",(function(t){this.track_id=t.readUint32(),this.default_sample_description_index=t.readUint32(),this.default_sample_duration=t.readUint32(),this.default_sample_size=t.readUint32(),this.default_sample_flags=t.readUint32()})),p.createBoxCtor("trpy",(function(t){this.bytessent=t.readUint64()})),p.createFullBoxCtor("trun",(function(t){var e=0;if(this.sample_count=t.readUint32(),e+=4,this.size-this.hdr_size>e&&this.flags&p.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=t.readInt32(),e+=4):this.data_offset=0,this.size-this.hdr_size>e&&this.flags&p.TRUN_FLAGS_FIRST_FLAG?(this.first_sample_flags=t.readUint32(),e+=4):this.first_sample_flags=0,this.sample_duration=[],this.sample_size=[],this.sample_flags=[],this.sample_composition_time_offset=[],this.size-this.hdr_size>e)for(var i=0;i<this.sample_count;i++)this.flags&p.TRUN_FLAGS_DURATION&&(this.sample_duration[i]=t.readUint32()),this.flags&p.TRUN_FLAGS_SIZE&&(this.sample_size[i]=t.readUint32()),this.flags&p.TRUN_FLAGS_FLAGS&&(this.sample_flags[i]=t.readUint32()),this.flags&p.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?this.sample_composition_time_offset[i]=t.readUint32():this.sample_composition_time_offset[i]=t.readInt32())})),p.createFullBoxCtor("tsel",(function(t){this.switch_group=t.readUint32();var e=(this.size-this.hdr_size-4)/4;this.attribute_list=[];for(var i=0;i<e;i++)this.attribute_list[i]=t.readUint32()})),p.createFullBoxCtor("txtC",(function(t){this.config=t.readCString()})),p.createBoxCtor("tyco",(function(t){var e=(this.size-this.hdr_size)/4;this.compatible_brands=[];for(var i=0;i<e;i++)this.compatible_brands[i]=t.readString(4)})),p.createFullBoxCtor("udes",(function(t){this.lang=t.readCString(),this.name=t.readCString(),this.description=t.readCString(),this.tags=t.readCString()})),p.createFullBoxCtor("uncC",(function(t){var e;for(this.profile=t.readUint32(),this.component_count=t.readUint16(),this.component_index=[],this.component_bit_depth_minus_one=[],this.component_format=[],this.component_align_size=[],e=0;e<this.component_count;e++)this.component_index.push(t.readUint16()),this.component_bit_depth_minus_one.push(t.readUint8()),this.component_format.push(t.readUint8()),this.component_align_size.push(t.readUint8());this.sampling_type=t.readUint8(),this.interleave_type=t.readUint8(),this.block_size=t.readUint8();var i=t.readUint8();this.component_little_endian=i>>7&1,this.block_pad_lsb=i>>6&1,this.block_little_endian=i>>5&1,this.block_reversed=i>>4&1,this.pad_unknown=i>>3&1,this.pixel_size=t.readUint8(),this.row_align_size=t.readUint32(),this.tile_align_size=t.readUint32(),this.num_tile_cols_minus_one=t.readUint32(),this.num_tile_rows_minus_one=t.readUint32()})),p.createFullBoxCtor("url ",(function(t){1!==this.flags&&(this.location=t.readCString())})),p.createFullBoxCtor("urn ",(function(t){this.name=t.readCString(),this.size-this.hdr_size-this.name.length-1>0&&(this.location=t.readCString())})),p.createUUIDBox("a5d40b30e81411ddba2f0800200c9a66",!0,!1,(function(t){this.LiveServerManifest=t.readString(this.size-this.hdr_size).replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">").replace(/"/g,""").replace(/'/g,"'")})),p.createUUIDBox("d08a4f1810f34a82b6c832d8aba183d3",!0,!1,(function(t){this.system_id=p.parseHex16(t);var e=t.readUint32();e>0&&(this.data=t.readUint8Array(e))})),p.createUUIDBox("a2394f525a9b4f14a2446c427c648df4",!0,!1),p.createUUIDBox("8974dbce7be74c5184f97148f9882554",!0,!1,(function(t){this.default_AlgorithmID=t.readUint24(),this.default_IV_size=t.readUint8(),this.default_KID=p.parseHex16(t)})),p.createUUIDBox("d4807ef2ca3946958e5426cb9e46a79f",!0,!1,(function(t){this.fragment_count=t.readUint8(),this.entries=[];for(var e=0;e<this.fragment_count;e++){var i={},r=0,s=0;1===this.version?(r=t.readUint64(),s=t.readUint64()):(r=t.readUint32(),s=t.readUint32()),i.absolute_time=r,i.absolute_duration=s,this.entries.push(i)}})),p.createUUIDBox("6d1d9b0542d544e680e2141daff757b2",!0,!1,(function(t){1===this.version?(this.absolute_time=t.readUint64(),this.duration=t.readUint64()):(this.absolute_time=t.readUint32(),this.duration=t.readUint32())})),p.createFullBoxCtor("vmhd",(function(t){this.graphicsmode=t.readUint16(),this.opcolor=t.readUint16Array(3)})),p.createFullBoxCtor("vpcC",(function(t){var e;1===this.version?(this.profile=t.readUint8(),this.level=t.readUint8(),e=t.readUint8(),this.bitDepth=e>>4,this.chromaSubsampling=e>>1&7,this.videoFullRangeFlag=1&e,this.colourPrimaries=t.readUint8(),this.transferCharacteristics=t.readUint8(),this.matrixCoefficients=t.readUint8(),this.codecIntializationDataSize=t.readUint16(),this.codecIntializationData=t.readUint8Array(this.codecIntializationDataSize)):(this.profile=t.readUint8(),this.level=t.readUint8(),e=t.readUint8(),this.bitDepth=e>>4&15,this.colorSpace=15&e,e=t.readUint8(),this.chromaSubsampling=e>>4&15,this.transferFunction=e>>1&7,this.videoFullRangeFlag=1&e,this.codecIntializationDataSize=t.readUint16(),this.codecIntializationData=t.readUint8Array(this.codecIntializationDataSize))})),p.createBoxCtor("vttC",(function(t){this.text=t.readString(this.size-this.hdr_size)})),p.createFullBoxCtor("vvcC",(function(t){var e,i,r={held_bits:void 0,num_held_bits:0,stream_read_1_bytes:function(t){this.held_bits=t.readUint8(),this.num_held_bits=8},stream_read_2_bytes:function(t){this.held_bits=t.readUint16(),this.num_held_bits=16},extract_bits:function(t){var e=this.held_bits>>this.num_held_bits-t&(1<<t)-1;return this.num_held_bits-=t,e}};if(r.stream_read_1_bytes(t),r.extract_bits(5),this.lengthSizeMinusOne=r.extract_bits(2),this.ptl_present_flag=r.extract_bits(1),this.ptl_present_flag){if(r.stream_read_2_bytes(t),this.ols_idx=r.extract_bits(9),this.num_sublayers=r.extract_bits(3),this.constant_frame_rate=r.extract_bits(2),this.chroma_format_idc=r.extract_bits(2),r.stream_read_1_bytes(t),this.bit_depth_minus8=r.extract_bits(3),r.extract_bits(5),r.stream_read_2_bytes(t),r.extract_bits(2),this.num_bytes_constraint_info=r.extract_bits(6),this.general_profile_idc=r.extract_bits(7),this.general_tier_flag=r.extract_bits(1),this.general_level_idc=t.readUint8(),r.stream_read_1_bytes(t),this.ptl_frame_only_constraint_flag=r.extract_bits(1),this.ptl_multilayer_enabled_flag=r.extract_bits(1),this.general_constraint_info=new Uint8Array(this.num_bytes_constraint_info),this.num_bytes_constraint_info){for(e=0;e<this.num_bytes_constraint_info-1;e++){var s=r.extract_bits(6);r.stream_read_1_bytes(t);var n=r.extract_bits(2);this.general_constraint_info[e]=s<<2|n}this.general_constraint_info[this.num_bytes_constraint_info-1]=r.extract_bits(6)}else r.extract_bits(6);if(this.num_sublayers>1){for(r.stream_read_1_bytes(t),this.ptl_sublayer_present_mask=0,i=this.num_sublayers-2;i>=0;--i){var a=r.extract_bits(1);this.ptl_sublayer_present_mask|=a<<i}for(i=this.num_sublayers;i<=8&&this.num_sublayers>1;++i)r.extract_bits(1);for(this.sublayer_level_idc=[],i=this.num_sublayers-2;i>=0;--i)this.ptl_sublayer_present_mask&1<<i&&(this.sublayer_level_idc[i]=t.readUint8())}if(this.ptl_num_sub_profiles=t.readUint8(),this.general_sub_profile_idc=[],this.ptl_num_sub_profiles)for(e=0;e<this.ptl_num_sub_profiles;e++)this.general_sub_profile_idc.push(t.readUint32());this.max_picture_width=t.readUint16(),this.max_picture_height=t.readUint16(),this.avg_frame_rate=t.readUint16()}this.nalu_arrays=[];var o=t.readUint8();for(e=0;e<o;e++){var h=[];this.nalu_arrays.push(h),r.stream_read_1_bytes(t),h.completeness=r.extract_bits(1),r.extract_bits(2),h.nalu_type=r.extract_bits(5);var d=1;for(13!=h.nalu_type&&12!=h.nalu_type&&(d=t.readUint16()),i=0;i<d;i++){var l=t.readUint16();h.push({data:t.readUint8Array(l),length:l})}}})),p.createFullBoxCtor("vvnC",(function(t){var e=strm.readUint8();this.lengthSizeMinusOne=3&e})),p.SampleEntry.prototype.isVideo=function(){return!1},p.SampleEntry.prototype.isAudio=function(){return!1},p.SampleEntry.prototype.isSubtitle=function(){return!1},p.SampleEntry.prototype.isMetadata=function(){return!1},p.SampleEntry.prototype.isHint=function(){return!1},p.SampleEntry.prototype.getCodec=function(){return this.type.replace(".","")},p.SampleEntry.prototype.getWidth=function(){return""},p.SampleEntry.prototype.getHeight=function(){return""},p.SampleEntry.prototype.getChannelCount=function(){return""},p.SampleEntry.prototype.getSampleRate=function(){return""},p.SampleEntry.prototype.getSampleSize=function(){return""},p.VisualSampleEntry.prototype.isVideo=function(){return!0},p.VisualSampleEntry.prototype.getWidth=function(){return this.width},p.VisualSampleEntry.prototype.getHeight=function(){return this.height},p.AudioSampleEntry.prototype.isAudio=function(){return!0},p.AudioSampleEntry.prototype.getChannelCount=function(){return this.channel_count},p.AudioSampleEntry.prototype.getSampleRate=function(){return this.samplerate},p.AudioSampleEntry.prototype.getSampleSize=function(){return this.samplesize},p.SubtitleSampleEntry.prototype.isSubtitle=function(){return!0},p.MetadataSampleEntry.prototype.isMetadata=function(){return!0},p.decimalToHex=function(t,e){var i=Number(t).toString(16);for(e=null==e?e=2:e;i.length<e;)i="0"+i;return i},p.avc1SampleEntry.prototype.getCodec=p.avc2SampleEntry.prototype.getCodec=p.avc3SampleEntry.prototype.getCodec=p.avc4SampleEntry.prototype.getCodec=function(){var t=p.SampleEntry.prototype.getCodec.call(this);return this.avcC?t+"."+p.decimalToHex(this.avcC.AVCProfileIndication)+p.decimalToHex(this.avcC.profile_compatibility)+p.decimalToHex(this.avcC.AVCLevelIndication):t},p.hev1SampleEntry.prototype.getCodec=p.hvc1SampleEntry.prototype.getCodec=function(){var t,e=p.SampleEntry.prototype.getCodec.call(this);if(this.hvcC){switch(e+=".",this.hvcC.general_profile_space){case 0:e+="";break;case 1:e+="A";break;case 2:e+="B";break;case 3:e+="C"}e+=this.hvcC.general_profile_idc,e+=".";var i=this.hvcC.general_profile_compatibility,r=0;for(t=0;t<32&&(r|=1&i,31!=t);t++)r<<=1,i>>=1;e+=p.decimalToHex(r,0),e+=".",0===this.hvcC.general_tier_flag?e+="L":e+="H",e+=this.hvcC.general_level_idc;var s=!1,n="";for(t=5;t>=0;t--)(this.hvcC.general_constraint_indicator[t]||s)&&(n="."+p.decimalToHex(this.hvcC.general_constraint_indicator[t],0)+n,s=!0);e+=n}return e},p.vvc1SampleEntry.prototype.getCodec=p.vvi1SampleEntry.prototype.getCodec=function(){var t,e=p.SampleEntry.prototype.getCodec.call(this);if(this.vvcC){e+="."+this.vvcC.general_profile_idc,this.vvcC.general_tier_flag?e+=".H":e+=".L",e+=this.vvcC.general_level_idc;var i="";if(this.vvcC.general_constraint_info){var r,s=[],n=0;for(n|=this.vvcC.ptl_frame_only_constraint<<7,n|=this.vvcC.ptl_multilayer_enabled<<6,t=0;t<this.vvcC.general_constraint_info.length;++t)n|=this.vvcC.general_constraint_info[t]>>2&63,s.push(n),n&&(r=t),n=this.vvcC.general_constraint_info[t]>>2&3;if(void 0===r)i=".CA";else{i=".C";var a="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",o=0,h=0;for(t=0;t<=r;++t)for(o=o<<8|s[t],h+=8;h>=5;){i+=a[o>>h-5&31],o&=(1<<(h-=5))-1}h&&(i+=a[31&(o<<=5-h)])}}e+=i}return e},p.mp4aSampleEntry.prototype.getCodec=function(){var t=p.SampleEntry.prototype.getCodec.call(this);if(this.esds&&this.esds.esd){var e=this.esds.esd.getOTI(),i=this.esds.esd.getAudioConfig();return t+"."+p.decimalToHex(e)+(i?"."+i:"")}return t},p.stxtSampleEntry.prototype.getCodec=function(){var t=p.SampleEntry.prototype.getCodec.call(this);return this.mime_format?t+"."+this.mime_format:t},p.vp08SampleEntry.prototype.getCodec=p.vp09SampleEntry.prototype.getCodec=function(){var t=p.SampleEntry.prototype.getCodec.call(this),e=this.vpcC.level;0==e&&(e="00");var i=this.vpcC.bitDepth;return 8==i&&(i="08"),t+".0"+this.vpcC.profile+"."+e+"."+i},p.av01SampleEntry.prototype.getCodec=function(){var t,e=p.SampleEntry.prototype.getCodec.call(this),i=this.av1C.seq_level_idx_0;return i<10&&(i="0"+i),2===this.av1C.seq_profile&&1===this.av1C.high_bitdepth?t=1===this.av1C.twelve_bit?"12":"10":this.av1C.seq_profile<=2&&(t=1===this.av1C.high_bitdepth?"10":"08"),e+"."+this.av1C.seq_profile+"."+i+(this.av1C.seq_tier_0?"H":"M")+"."+t},p.Box.prototype.writeHeader=function(t,e){this.size+=8,this.size>h&&(this.size+=8),"uuid"===this.type&&(this.size+=16),n.debug("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+t.getPosition()+(e||"")),this.size>h?t.writeUint32(1):(this.sizePosition=t.getPosition(),t.writeUint32(this.size)),t.writeString(this.type,null,4),"uuid"===this.type&&t.writeUint8Array(this.uuid),this.size>h&&t.writeUint64(this.size)},p.FullBox.prototype.writeHeader=function(t){this.size+=4,p.Box.prototype.writeHeader.call(this,t," v="+this.version+" f="+this.flags),t.writeUint8(this.version),t.writeUint24(this.flags)},p.Box.prototype.write=function(t){"mdat"===this.type?this.data&&(this.size=this.data.length,this.writeHeader(t),t.writeUint8Array(this.data)):(this.size=this.data?this.data.length:0,this.writeHeader(t),this.data&&t.writeUint8Array(this.data))},p.ContainerBox.prototype.write=function(t){this.size=0,this.writeHeader(t);for(var e=0;e<this.boxes.length;e++)this.boxes[e]&&(this.boxes[e].write(t),this.size+=this.boxes[e].size);n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},p.TrackReferenceTypeBox.prototype.write=function(t){this.size=4*this.track_ids.length,this.writeHeader(t),t.writeUint32Array(this.track_ids)},p.avcCBox.prototype.write=function(t){var e;for(this.size=7,e=0;e<this.SPS.length;e++)this.size+=2+this.SPS[e].length;for(e=0;e<this.PPS.length;e++)this.size+=2+this.PPS[e].length;for(this.ext&&(this.size+=this.ext.length),this.writeHeader(t),t.writeUint8(this.configurationVersion),t.writeUint8(this.AVCProfileIndication),t.writeUint8(this.profile_compatibility),t.writeUint8(this.AVCLevelIndication),t.writeUint8(this.lengthSizeMinusOne+252),t.writeUint8(this.SPS.length+224),e=0;e<this.SPS.length;e++)t.writeUint16(this.SPS[e].length),t.writeUint8Array(this.SPS[e].nalu);for(t.writeUint8(this.PPS.length),e=0;e<this.PPS.length;e++)t.writeUint16(this.PPS[e].length),t.writeUint8Array(this.PPS[e].nalu);this.ext&&t.writeUint8Array(this.ext)},p.co64Box.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+8*this.chunk_offsets.length,this.writeHeader(t),t.writeUint32(this.chunk_offsets.length),e=0;e<this.chunk_offsets.length;e++)t.writeUint64(this.chunk_offsets[e])},p.cslgBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=20,this.writeHeader(t),t.writeInt32(this.compositionToDTSShift),t.writeInt32(this.leastDecodeToDisplayDelta),t.writeInt32(this.greatestDecodeToDisplayDelta),t.writeInt32(this.compositionStartTime),t.writeInt32(this.compositionEndTime)},p.cttsBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(t),t.writeUint32(this.sample_counts.length),e=0;e<this.sample_counts.length;e++)t.writeUint32(this.sample_counts[e]),1===this.version?t.writeInt32(this.sample_offsets[e]):t.writeUint32(this.sample_offsets[e])},p.drefBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4,this.writeHeader(t),t.writeUint32(this.entries.length);for(var e=0;e<this.entries.length;e++)this.entries[e].write(t),this.size+=this.entries[e].size;n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},p.elngBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=this.extended_language.length,this.writeHeader(t),t.writeString(this.extended_language)},p.elstBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4+12*this.entries.length,this.writeHeader(t),t.writeUint32(this.entries.length);for(var e=0;e<this.entries.length;e++){var i=this.entries[e];t.writeUint32(i.segment_duration),t.writeInt32(i.media_time),t.writeInt16(i.media_rate_integer),t.writeInt16(i.media_rate_fraction)}},p.emsgBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=16+this.message_data.length+(this.scheme_id_uri.length+1)+(this.value.length+1),this.writeHeader(t),t.writeCString(this.scheme_id_uri),t.writeCString(this.value),t.writeUint32(this.timescale),t.writeUint32(this.presentation_time_delta),t.writeUint32(this.event_duration),t.writeUint32(this.id),t.writeUint8Array(this.message_data)},p.ftypBox.prototype.write=function(t){this.size=8+4*this.compatible_brands.length,this.writeHeader(t),t.writeString(this.major_brand,null,4),t.writeUint32(this.minor_version);for(var e=0;e<this.compatible_brands.length;e++)t.writeString(this.compatible_brands[e],null,4)},p.hdlrBox.prototype.write=function(t){this.size=20+this.name.length+1,this.version=0,this.flags=0,this.writeHeader(t),t.writeUint32(0),t.writeString(this.handler,null,4),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeCString(this.name)},p.hvcCBox.prototype.write=function(t){var e,i;for(this.size=23,e=0;e<this.nalu_arrays.length;e++)for(this.size+=3,i=0;i<this.nalu_arrays[e].length;i++)this.size+=2+this.nalu_arrays[e][i].data.length;for(this.writeHeader(t),t.writeUint8(this.configurationVersion),t.writeUint8(this.general_profile_space<<6+this.general_tier_flag<<5+this.general_profile_idc),t.writeUint32(this.general_profile_compatibility),t.writeUint8Array(this.general_constraint_indicator),t.writeUint8(this.general_level_idc),t.writeUint16(this.min_spatial_segmentation_idc+(15<<24)),t.writeUint8(this.parallelismType+252),t.writeUint8(this.chroma_format_idc+252),t.writeUint8(this.bit_depth_luma_minus8+248),t.writeUint8(this.bit_depth_chroma_minus8+248),t.writeUint16(this.avgFrameRate),t.writeUint8((this.constantFrameRate<<6)+(this.numTemporalLayers<<3)+(this.temporalIdNested<<2)+this.lengthSizeMinusOne),t.writeUint8(this.nalu_arrays.length),e=0;e<this.nalu_arrays.length;e++)for(t.writeUint8((this.nalu_arrays[e].completeness<<7)+this.nalu_arrays[e].nalu_type),t.writeUint16(this.nalu_arrays[e].length),i=0;i<this.nalu_arrays[e].length;i++)t.writeUint16(this.nalu_arrays[e][i].data.length),t.writeUint8Array(this.nalu_arrays[e][i].data)},p.kindBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=this.schemeURI.length+1+(this.value.length+1),this.writeHeader(t),t.writeCString(this.schemeURI),t.writeCString(this.value)},p.mdhdBox.prototype.write=function(t){this.size=20,this.flags=0,this.version=0,this.writeHeader(t),t.writeUint32(this.creation_time),t.writeUint32(this.modification_time),t.writeUint32(this.timescale),t.writeUint32(this.duration),t.writeUint16(this.language),t.writeUint16(0)},p.mehdBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4,this.writeHeader(t),t.writeUint32(this.fragment_duration)},p.mfhdBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4,this.writeHeader(t),t.writeUint32(this.sequence_number)},p.mvhdBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=96,this.writeHeader(t),t.writeUint32(this.creation_time),t.writeUint32(this.modification_time),t.writeUint32(this.timescale),t.writeUint32(this.duration),t.writeUint32(this.rate),t.writeUint16(this.volume<<8),t.writeUint16(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32Array(this.matrix),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(this.next_track_id)},p.SampleEntry.prototype.writeHeader=function(t){this.size=8,p.Box.prototype.writeHeader.call(this,t),t.writeUint8(0),t.writeUint8(0),t.writeUint8(0),t.writeUint8(0),t.writeUint8(0),t.writeUint8(0),t.writeUint16(this.data_reference_index)},p.SampleEntry.prototype.writeFooter=function(t){for(var e=0;e<this.boxes.length;e++)this.boxes[e].write(t),this.size+=this.boxes[e].size;n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},p.SampleEntry.prototype.write=function(t){this.writeHeader(t),t.writeUint8Array(this.data),this.size+=this.data.length,n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},p.VisualSampleEntry.prototype.write=function(t){this.writeHeader(t),this.size+=70,t.writeUint16(0),t.writeUint16(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint16(this.width),t.writeUint16(this.height),t.writeUint32(this.horizresolution),t.writeUint32(this.vertresolution),t.writeUint32(0),t.writeUint16(this.frame_count),t.writeUint8(Math.min(31,this.compressorname.length)),t.writeString(this.compressorname,null,31),t.writeUint16(this.depth),t.writeInt16(-1),this.writeFooter(t)},p.AudioSampleEntry.prototype.write=function(t){this.writeHeader(t),this.size+=20,t.writeUint32(0),t.writeUint32(0),t.writeUint16(this.channel_count),t.writeUint16(this.samplesize),t.writeUint16(0),t.writeUint16(0),t.writeUint32(this.samplerate<<16),this.writeFooter(t)},p.stppSampleEntry.prototype.write=function(t){this.writeHeader(t),this.size+=this.namespace.length+1+this.schema_location.length+1+this.auxiliary_mime_types.length+1,t.writeCString(this.namespace),t.writeCString(this.schema_location),t.writeCString(this.auxiliary_mime_types),this.writeFooter(t)},p.SampleGroupEntry.prototype.write=function(t){t.writeUint8Array(this.data)},p.sbgpBox.prototype.write=function(t){this.version=1,this.flags=0,this.size=12+8*this.entries.length,this.writeHeader(t),t.writeString(this.grouping_type,null,4),t.writeUint32(this.grouping_type_parameter),t.writeUint32(this.entries.length);for(var e=0;e<this.entries.length;e++){var i=this.entries[e];t.writeInt32(i.sample_count),t.writeInt32(i.group_description_index)}},p.sgpdBox.prototype.write=function(t){var e,i;for(this.flags=0,this.size=12,e=0;e<this.entries.length;e++)i=this.entries[e],1===this.version&&(0===this.default_length&&(this.size+=4),this.size+=i.data.length);for(this.writeHeader(t),t.writeString(this.grouping_type,null,4),1===this.version&&t.writeUint32(this.default_length),this.version>=2&&t.writeUint32(this.default_sample_description_index),t.writeUint32(this.entries.length),e=0;e<this.entries.length;e++)i=this.entries[e],1===this.version&&0===this.default_length&&t.writeUint32(i.description_length),i.write(t)},p.sidxBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=20+12*this.references.length,this.writeHeader(t),t.writeUint32(this.reference_ID),t.writeUint32(this.timescale),t.writeUint32(this.earliest_presentation_time),t.writeUint32(this.first_offset),t.writeUint16(0),t.writeUint16(this.references.length);for(var e=0;e<this.references.length;e++){var i=this.references[e];t.writeUint32(i.reference_type<<31|i.referenced_size),t.writeUint32(i.subsegment_duration),t.writeUint32(i.starts_with_SAP<<31|i.SAP_type<<28|i.SAP_delta_time)}},p.smhdBox.prototype.write=function(t){this.version=0,this.flags=1,this.size=4,this.writeHeader(t),t.writeUint16(this.balance),t.writeUint16(0)},p.stcoBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4+4*this.chunk_offsets.length,this.writeHeader(t),t.writeUint32(this.chunk_offsets.length),t.writeUint32Array(this.chunk_offsets)},p.stscBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+12*this.first_chunk.length,this.writeHeader(t),t.writeUint32(this.first_chunk.length),e=0;e<this.first_chunk.length;e++)t.writeUint32(this.first_chunk[e]),t.writeUint32(this.samples_per_chunk[e]),t.writeUint32(this.sample_description_index[e])},p.stsdBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=0,this.writeHeader(t),t.writeUint32(this.entries.length),this.size+=4,e=0;e<this.entries.length;e++)this.entries[e].write(t),this.size+=this.entries[e].size;n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},p.stshBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+8*this.shadowed_sample_numbers.length,this.writeHeader(t),t.writeUint32(this.shadowed_sample_numbers.length),e=0;e<this.shadowed_sample_numbers.length;e++)t.writeUint32(this.shadowed_sample_numbers[e]),t.writeUint32(this.sync_sample_numbers[e])},p.stssBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4+4*this.sample_numbers.length,this.writeHeader(t),t.writeUint32(this.sample_numbers.length),t.writeUint32Array(this.sample_numbers)},p.stszBox.prototype.write=function(t){var e,i=!0;if(this.version=0,this.flags=0,this.sample_sizes.length>0)for(e=0;e+1<this.sample_sizes.length;){if(this.sample_sizes[e+1]!==this.sample_sizes[0]){i=!1;break}e++}else i=!1;this.size=8,i||(this.size+=4*this.sample_sizes.length),this.writeHeader(t),i?t.writeUint32(this.sample_sizes[0]):t.writeUint32(0),t.writeUint32(this.sample_sizes.length),i||t.writeUint32Array(this.sample_sizes)},p.sttsBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(t),t.writeUint32(this.sample_counts.length),e=0;e<this.sample_counts.length;e++)t.writeUint32(this.sample_counts[e]),t.writeUint32(this.sample_deltas[e])},p.tfdtBox.prototype.write=function(t){var e=Math.pow(2,32)-1;this.version=this.baseMediaDecodeTime>e?1:0,this.flags=0,this.size=4,1===this.version&&(this.size+=4),this.writeHeader(t),1===this.version?t.writeUint64(this.baseMediaDecodeTime):t.writeUint32(this.baseMediaDecodeTime)},p.tfhdBox.prototype.write=function(t){this.version=0,this.size=4,this.flags&p.TFHD_FLAG_BASE_DATA_OFFSET&&(this.size+=8),this.flags&p.TFHD_FLAG_SAMPLE_DESC&&(this.size+=4),this.flags&p.TFHD_FLAG_SAMPLE_DUR&&(this.size+=4),this.flags&p.TFHD_FLAG_SAMPLE_SIZE&&(this.size+=4),this.flags&p.TFHD_FLAG_SAMPLE_FLAGS&&(this.size+=4),this.writeHeader(t),t.writeUint32(this.track_id),this.flags&p.TFHD_FLAG_BASE_DATA_OFFSET&&t.writeUint64(this.base_data_offset),this.flags&p.TFHD_FLAG_SAMPLE_DESC&&t.writeUint32(this.default_sample_description_index),this.flags&p.TFHD_FLAG_SAMPLE_DUR&&t.writeUint32(this.default_sample_duration),this.flags&p.TFHD_FLAG_SAMPLE_SIZE&&t.writeUint32(this.default_sample_size),this.flags&p.TFHD_FLAG_SAMPLE_FLAGS&&t.writeUint32(this.default_sample_flags)},p.tkhdBox.prototype.write=function(t){this.version=0,this.size=80,this.writeHeader(t),t.writeUint32(this.creation_time),t.writeUint32(this.modification_time),t.writeUint32(this.track_id),t.writeUint32(0),t.writeUint32(this.duration),t.writeUint32(0),t.writeUint32(0),t.writeInt16(this.layer),t.writeInt16(this.alternate_group),t.writeInt16(this.volume<<8),t.writeUint16(0),t.writeInt32Array(this.matrix),t.writeUint32(this.width),t.writeUint32(this.height)},p.trexBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=20,this.writeHeader(t),t.writeUint32(this.track_id),t.writeUint32(this.default_sample_description_index),t.writeUint32(this.default_sample_duration),t.writeUint32(this.default_sample_size),t.writeUint32(this.default_sample_flags)},p.trunBox.prototype.write=function(t){this.version=0,this.size=4,this.flags&p.TRUN_FLAGS_DATA_OFFSET&&(this.size+=4),this.flags&p.TRUN_FLAGS_FIRST_FLAG&&(this.size+=4),this.flags&p.TRUN_FLAGS_DURATION&&(this.size+=4*this.sample_duration.length),this.flags&p.TRUN_FLAGS_SIZE&&(this.size+=4*this.sample_size.length),this.flags&p.TRUN_FLAGS_FLAGS&&(this.size+=4*this.sample_flags.length),this.flags&p.TRUN_FLAGS_CTS_OFFSET&&(this.size+=4*this.sample_composition_time_offset.length),this.writeHeader(t),t.writeUint32(this.sample_count),this.flags&p.TRUN_FLAGS_DATA_OFFSET&&(this.data_offset_position=t.getPosition(),t.writeInt32(this.data_offset)),this.flags&p.TRUN_FLAGS_FIRST_FLAG&&t.writeUint32(this.first_sample_flags);for(var e=0;e<this.sample_count;e++)this.flags&p.TRUN_FLAGS_DURATION&&t.writeUint32(this.sample_duration[e]),this.flags&p.TRUN_FLAGS_SIZE&&t.writeUint32(this.sample_size[e]),this.flags&p.TRUN_FLAGS_FLAGS&&t.writeUint32(this.sample_flags[e]),this.flags&p.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?t.writeUint32(this.sample_composition_time_offset[e]):t.writeInt32(this.sample_composition_time_offset[e]))},p["url Box"].prototype.write=function(t){this.version=0,this.location?(this.flags=0,this.size=this.location.length+1):(this.flags=1,this.size=0),this.writeHeader(t),this.location&&t.writeCString(this.location)},p["urn Box"].prototype.write=function(t){this.version=0,this.flags=0,this.size=this.name.length+1+(this.location?this.location.length+1:0),this.writeHeader(t),t.writeCString(this.name),this.location&&t.writeCString(this.location)},p.vmhdBox.prototype.write=function(t){this.version=0,this.flags=1,this.size=8,this.writeHeader(t),t.writeUint16(this.graphicsmode),t.writeUint16Array(this.opcolor)},p.cttsBox.prototype.unpack=function(t){var e,i,r;for(r=0,e=0;e<this.sample_counts.length;e++)for(i=0;i<this.sample_counts[e];i++)t[r].pts=t[r].dts+this.sample_offsets[e],r++},p.sttsBox.prototype.unpack=function(t){var e,i,r;for(r=0,e=0;e<this.sample_counts.length;e++)for(i=0;i<this.sample_counts[e];i++)t[r].dts=0===r?0:t[r-1].dts+this.sample_deltas[e],r++},p.stcoBox.prototype.unpack=function(t){var e;for(e=0;e<this.chunk_offsets.length;e++)t[e].offset=this.chunk_offsets[e]},p.stscBox.prototype.unpack=function(t){var e,i,r,s,n;for(s=0,n=0,e=0;e<this.first_chunk.length;e++)for(i=0;i<(e+1<this.first_chunk.length?this.first_chunk[e+1]:1/0);i++)for(n++,r=0;r<this.samples_per_chunk[e];r++){if(!t[s])return;t[s].description_index=this.sample_description_index[e],t[s].chunk_index=n,s++}},p.stszBox.prototype.unpack=function(t){var e;for(e=0;e<this.sample_sizes.length;e++)t[e].size=this.sample_sizes[e]},p.DIFF_BOXES_PROP_NAMES=["boxes","entries","references","subsamples","items","item_infos","extents","associations","subsegments","ranges","seekLists","seekPoints","esd","levels"],p.DIFF_PRIMITIVE_ARRAY_PROP_NAMES=["compatible_brands","matrix","opcolor","sample_counts","sample_counts","sample_deltas","first_chunk","samples_per_chunk","sample_sizes","chunk_offsets","sample_offsets","sample_description_index","sample_duration"],p.boxEqualFields=function(t,e){if(t&&!e)return!1;var i;for(i in t)if(!(p.DIFF_BOXES_PROP_NAMES.indexOf(i)>-1||t[i]instanceof p.Box||e[i]instanceof p.Box||void 0===t[i]||void 0===e[i]||"function"==typeof t[i]||"function"==typeof e[i]||t.subBoxNames&&t.subBoxNames.indexOf(i.slice(0,4))>-1||e.subBoxNames&&e.subBoxNames.indexOf(i.slice(0,4))>-1||"data"===i||"start"===i||"size"===i||"creation_time"===i||"modification_time"===i||p.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(i)>-1||t[i]===e[i]))return!1;return!0},p.boxEqual=function(t,e){if(!p.boxEqualFields(t,e))return!1;for(var i=0;i<p.DIFF_BOXES_PROP_NAMES.length;i++){var r=p.DIFF_BOXES_PROP_NAMES[i];if(t[r]&&e[r]&&!p.boxEqual(t[r],e[r]))return!1}return!0};var u=function(){};u.prototype.parseSample=function(t){var e,i={};i.resources=[];var r=new a(t.data.buffer);if(t.subsamples&&0!==t.subsamples.length){if(i.documentString=r.readString(t.subsamples[0].size),t.subsamples.length>1)for(e=1;e<t.subsamples.length;e++)i.resources[e]=r.readUint8Array(t.subsamples[e].size)}else i.documentString=r.readString(t.data.length);return"undefined"!=typeof DOMParser&&(i.document=(new DOMParser).parseFromString(i.documentString,"application/xml")),i};var f=function(){};f.prototype.parseSample=function(t){return new a(t.data.buffer).readString(t.data.length)},f.prototype.parseConfig=function(t){var e=new a(t.buffer);return e.readUint32(),e.readCString()},t.XMLSubtitlein4Parser=u,t.Textin4Parser=f;var c=function(t){this.stream=t||new d,this.boxes=[],this.mdats=[],this.moofs=[],this.isProgressive=!1,this.moovStartFound=!1,this.onMoovStart=null,this.moovStartSent=!1,this.onReady=null,this.readySent=!1,this.onSegment=null,this.onSamples=null,this.onError=null,this.sampleListBuilt=!1,this.fragmentedTracks=[],this.extractedTracks=[],this.isFragmentationInitialized=!1,this.sampleProcessingStarted=!1,this.nextMoofNumber=0,this.itemListBuilt=!1,this.onSidx=null,this.sidxSent=!1};c.prototype.setSegmentOptions=function(t,e,i){var r=this.getTrackById(t);if(r){var s={};this.fragmentedTracks.push(s),s.id=t,s.user=e,s.trak=r,r.nextSample=0,s.segmentStream=null,s.nb_samples=1e3,s.rapAlignement=!0,i&&(i.nbSamples&&(s.nb_samples=i.nbSamples),i.rapAlignement&&(s.rapAlignement=i.rapAlignement))}},c.prototype.unsetSegmentOptions=function(t){for(var e=-1,i=0;i<this.fragmentedTracks.length;i++){this.fragmentedTracks[i].id==t&&(e=i)}e>-1&&this.fragmentedTracks.splice(e,1)},c.prototype.setExtractionOptions=function(t,e,i){var r=this.getTrackById(t);if(r){var s={};this.extractedTracks.push(s),s.id=t,s.user=e,s.trak=r,r.nextSample=0,s.nb_samples=1e3,s.samples=[],i&&i.nbSamples&&(s.nb_samples=i.nbSamples)}},c.prototype.unsetExtractionOptions=function(t){for(var e=-1,i=0;i<this.extractedTracks.length;i++){this.extractedTracks[i].id==t&&(e=i)}e>-1&&this.extractedTracks.splice(e,1)},c.prototype.parse=function(){var t,e;if(!this.restoreParsePosition||this.restoreParsePosition())for(;;){if(this.hasIncompleteMdat&&this.hasIncompleteMdat()){if(this.processIncompleteMdat())continue;return}if(this.saveParsePosition&&this.saveParsePosition(),(t=p.parseOneBox(this.stream,false)).code===p.ERR_NOT_ENOUGH_DATA){if(this.processIncompleteBox){if(this.processIncompleteBox(t))continue;return}return}var i;switch(i="uuid"!==(e=t.box).type?e.type:e.uuid,this.boxes.push(e),i){case"mdat":this.mdats.push(e);break;case"moof":this.moofs.push(e);break;case"moov":this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0);default:void 0!==this[i]&&n.warn("ISOFile","Duplicate Box of type: "+i+", overriding previous occurrence"),this[i]=e}this.updateUsedBytes&&this.updateUsedBytes(e,t)}},c.prototype.checkBuffer=function(t){if(null==t)throw"Buffer must be defined and non empty";if(void 0===t.fileStart)throw"Buffer must have a fileStart property";return 0===t.byteLength?(n.warn("ISOFile","Ignoring empty buffer (fileStart: "+t.fileStart+")"),this.stream.logBufferLevel(),!1):(n.info("ISOFile","Processing buffer (fileStart: "+t.fileStart+")"),t.usedBytes=0,this.stream.insertBuffer(t),this.stream.logBufferLevel(),!!this.stream.initialized()||(n.warn("ISOFile","Not ready to start parsing"),!1))},c.prototype.appendBuffer=function(t,e){var i;if(this.checkBuffer(t))return this.parse(),this.moovStartFound&&!this.moovStartSent&&(this.moovStartSent=!0,this.onMoovStart&&this.onMoovStart()),this.moov?(this.sampleListBuilt||(this.buildSampleLists(),this.sampleListBuilt=!0),this.updateSampleLists(),this.onReady&&!this.readySent&&(this.readySent=!0,this.onReady(this.getInfo())),this.processSamples(e),this.nextSeekPosition?(i=this.nextSeekPosition,this.nextSeekPosition=void 0):i=this.nextParsePosition,this.stream.getEndFilePositionAfter&&(i=this.stream.getEndFilePositionAfter(i))):i=this.nextParsePosition?this.nextParsePosition:0,this.sidx&&this.onSidx&&!this.sidxSent&&(this.onSidx(this.sidx),this.sidxSent=!0),this.meta&&(this.flattenItemInfo&&!this.itemListBuilt&&(this.flattenItemInfo(),this.itemListBuilt=!0),this.processItems&&this.processItems(this.onItem)),this.stream.cleanBuffers&&(n.info("ISOFile","Done processing buffer (fileStart: "+t.fileStart+") - next buffer to fetch should have a fileStart position of "+i),this.stream.logBufferLevel(),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0),n.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),i},c.prototype.getInfo=function(){var t,e,i,r,s,n,a={},o=new Date("1904-01-01T00:00:00Z").getTime();if(this.moov)for(a.hasMoov=!0,a.duration=this.moov.mvhd.duration,a.timescale=this.moov.mvhd.timescale,a.isFragmented=null!=this.moov.mvex,a.isFragmented&&this.moov.mvex.mehd&&(a.fragment_duration=this.moov.mvex.mehd.fragment_duration),a.isProgressive=this.isProgressive,a.hasIOD=null!=this.moov.iods,a.brands=[],a.brands.push(this.ftyp.major_brand),a.brands=a.brands.concat(this.ftyp.compatible_brands),a.created=new Date(o+1e3*this.moov.mvhd.creation_time),a.modified=new Date(o+1e3*this.moov.mvhd.modification_time),a.tracks=[],a.audioTracks=[],a.videoTracks=[],a.subtitleTracks=[],a.metadataTracks=[],a.hintTracks=[],a.otherTracks=[],t=0;t<this.moov.traks.length;t++){if(n=(i=this.moov.traks[t]).mdia.minf.stbl.stsd.entries[0],r={},a.tracks.push(r),r.id=i.tkhd.track_id,r.name=i.mdia.hdlr.name,r.references=[],i.tref)for(e=0;e<i.tref.boxes.length;e++)s={},r.references.push(s),s.type=i.tref.boxes[e].type,s.track_ids=i.tref.boxes[e].track_ids;i.edts&&(r.edits=i.edts.elst.entries),r.created=new Date(o+1e3*i.tkhd.creation_time),r.modified=new Date(o+1e3*i.tkhd.modification_time),r.movie_duration=i.tkhd.duration,r.movie_timescale=a.timescale,r.layer=i.tkhd.layer,r.alternate_group=i.tkhd.alternate_group,r.volume=i.tkhd.volume,r.matrix=i.tkhd.matrix,r.track_width=i.tkhd.width/65536,r.track_height=i.tkhd.height/65536,r.timescale=i.mdia.mdhd.timescale,r.cts_shift=i.mdia.minf.stbl.cslg,r.duration=i.mdia.mdhd.duration,r.samples_duration=i.samples_duration,r.codec=n.getCodec(),r.kind=i.udta&&i.udta.kinds.length?i.udta.kinds[0]:{schemeURI:"",value:""},r.language=i.mdia.elng?i.mdia.elng.extended_language:i.mdia.mdhd.languageString,r.nb_samples=i.samples.length,r.size=i.samples_size,r.bitrate=8*r.size*r.timescale/r.samples_duration,n.isAudio()?(r.type="audio",a.audioTracks.push(r),r.audio={},r.audio.sample_rate=n.getSampleRate(),r.audio.channel_count=n.getChannelCount(),r.audio.sample_size=n.getSampleSize()):n.isVideo()?(r.type="video",a.videoTracks.push(r),r.video={},r.video.width=n.getWidth(),r.video.height=n.getHeight()):n.isSubtitle()?(r.type="subtitles",a.subtitleTracks.push(r)):n.isHint()?(r.type="metadata",a.hintTracks.push(r)):n.isMetadata()?(r.type="metadata",a.metadataTracks.push(r)):(r.type="metadata",a.otherTracks.push(r))}else a.hasMoov=!1;if(a.mime="",a.hasMoov&&a.tracks){for(a.videoTracks&&a.videoTracks.length>0?a.mime+='video/mp4; codecs="':a.audioTracks&&a.audioTracks.length>0?a.mime+='audio/mp4; codecs="':a.mime+='application/mp4; codecs="',t=0;t<a.tracks.length;t++)0!==t&&(a.mime+=","),a.mime+=a.tracks[t].codec;a.mime+='"; profiles="',a.mime+=this.ftyp.compatible_brands.join(),a.mime+='"'}return a},c.prototype.setNextSeekPositionFromSample=function(t){t&&(this.nextSeekPosition?this.nextSeekPosition=Math.min(t.offset+t.alreadyRead,this.nextSeekPosition):this.nextSeekPosition=t.offset+t.alreadyRead)},c.prototype.processSamples=function(t){var e,i;if(this.sampleProcessingStarted){if(this.isFragmentationInitialized&&null!==this.onSegment)for(e=0;e<this.fragmentedTracks.length;e++){var r=this.fragmentedTracks[e];for(i=r.trak;i.nextSample<i.samples.length&&this.sampleProcessingStarted;){n.debug("ISOFile","Creating media fragment on track #"+r.id+" for sample "+i.nextSample);var s=this.createFragment(r.id,i.nextSample,r.segmentStream);if(!s)break;if(r.segmentStream=s,i.nextSample++,(i.nextSample%r.nb_samples==0||t||i.nextSample>=i.samples.length)&&(n.info("ISOFile","Sending fragmented data on track #"+r.id+" for samples ["+Math.max(0,i.nextSample-r.nb_samples)+","+(i.nextSample-1)+"]"),n.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(r.id,r.user,r.segmentStream.buffer,i.nextSample,t||i.nextSample>=i.samples.length),r.segmentStream=null,r!==this.fragmentedTracks[e]))break}}if(null!==this.onSamples)for(e=0;e<this.extractedTracks.length;e++){var a=this.extractedTracks[e];for(i=a.trak;i.nextSample<i.samples.length&&this.sampleProcessingStarted;){n.debug("ISOFile","Exporting on track #"+a.id+" sample #"+i.nextSample);var o=this.getSample(i,i.nextSample);if(!o){this.setNextSeekPositionFromSample(i.samples[i.nextSample]);break}if(i.nextSample++,a.samples.push(o),(i.nextSample%a.nb_samples==0||i.nextSample>=i.samples.length)&&(n.debug("ISOFile","Sending samples on track #"+a.id+" for sample "+i.nextSample),this.onSamples&&this.onSamples(a.id,a.user,a.samples),a.samples=[],a!==this.extractedTracks[e]))break}}}},c.prototype.getBox=function(t){var e=this.getBoxes(t,!0);return e.length?e[0]:null},c.prototype.getBoxes=function(t,e){var i=[];return c._sweep.call(this,t,i,e),i},c._sweep=function(t,e,i){for(var r in this.type&&this.type==t&&e.push(this),this.boxes){if(e.length&&i)return;c._sweep.call(this.boxes[r],t,e,i)}},c.prototype.getTrackSamplesInfo=function(t){var e=this.getTrackById(t);return e?e.samples:void 0},c.prototype.getTrackSample=function(t,e){var i=this.getTrackById(t);return this.getSample(i,e)},c.prototype.releaseUsedSamples=function(t,e){var i=0,r=this.getTrackById(t);r.lastValidSample||(r.lastValidSample=0);for(var s=r.lastValidSample;s<e;s++)i+=this.releaseSample(r,s);n.info("ISOFile","Track #"+t+" released samples up to "+e+" (released size: "+i+", remaining: "+this.samplesDataSize+")"),r.lastValidSample=e},c.prototype.start=function(){this.sampleProcessingStarted=!0,this.processSamples(!1)},c.prototype.stop=function(){this.sampleProcessingStarted=!1},c.prototype.flush=function(){n.info("ISOFile","Flushing remaining samples"),this.updateSampleLists(),this.processSamples(!0),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0)},c.prototype.seekTrack=function(t,e,i){var r,s,a,o,h=0,d=0;if(0===i.samples.length)return n.info("ISOFile","No sample in track, cannot seek! Using time "+n.getDurationString(0,1)+" and offset: 0"),{offset:0,time:0};for(r=0;r<i.samples.length;r++){if(s=i.samples[r],0===r)d=0,o=s.timescale;else if(s.cts>t*s.timescale){d=r-1;break}e&&s.is_sync&&(h=r)}for(e&&(d=h),t=i.samples[d].cts,i.nextSample=d;i.samples[d].alreadyRead===i.samples[d].size&&i.samples[d+1];)d++;return a=i.samples[d].offset+i.samples[d].alreadyRead,n.info("ISOFile","Seeking to "+(e?"RAP":"")+" sample #"+i.nextSample+" on track "+i.tkhd.track_id+", time "+n.getDurationString(t,o)+" and offset: "+a),{offset:a,time:t/o}},c.prototype.getTrackDuration=function(t){var e;return t.samples?((e=t.samples[t.samples.length-1]).cts+e.duration)/e.timescale:1/0},c.prototype.seek=function(t,e){var i,r,s,a=this.moov,o={offset:1/0,time:1/0};if(this.moov){for(s=0;s<a.traks.length;s++)i=a.traks[s],t>this.getTrackDuration(i)||((r=this.seekTrack(t,e,i)).offset<o.offset&&(o.offset=r.offset),r.time<o.time&&(o.time=r.time));return n.info("ISOFile","Seeking at time "+n.getDurationString(o.time,1)+" needs a buffer with a fileStart position of "+o.offset),o.offset===1/0?o={offset:this.nextParsePosition,time:0}:o.offset=this.stream.getEndFilePositionAfter(o.offset),n.info("ISOFile","Adjusted seek position (after checking data already in buffer): "+o.offset),o}throw"Cannot seek: moov not received!"},c.prototype.equal=function(t){for(var e=0;e<this.boxes.length&&e<t.boxes.length;){var i=this.boxes[e],r=t.boxes[e];if(!p.boxEqual(i,r))return!1;e++}return!0},t.ISOFile=c,c.prototype.lastBoxStartPosition=0,c.prototype.parsingMdat=null,c.prototype.nextParsePosition=0,c.prototype.discardMdatData=!1,c.prototype.processIncompleteBox=function(t){var e;return"mdat"===t.type?(e=new p[t.type+"Box"](t.size),this.parsingMdat=e,this.boxes.push(e),this.mdats.push(e),e.start=t.start,e.hdr_size=t.hdr_size,this.stream.addUsedBytes(e.hdr_size),this.lastBoxStartPosition=e.start+e.size,this.stream.seek(e.start+e.size,!1,this.discardMdatData)?(this.parsingMdat=null,!0):(this.moovStartFound?this.nextParsePosition=this.stream.findEndContiguousBuf():this.nextParsePosition=e.start+e.size,!1)):("moov"===t.type&&(this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0)),!!this.stream.mergeNextBuffer&&this.stream.mergeNextBuffer()?(this.nextParsePosition=this.stream.getEndPosition(),!0):(t.type?this.moovStartFound?this.nextParsePosition=this.stream.getEndPosition():this.nextParsePosition=this.stream.getPosition()+t.size:this.nextParsePosition=this.stream.getEndPosition(),!1))},c.prototype.hasIncompleteMdat=function(){return null!==this.parsingMdat},c.prototype.processIncompleteMdat=function(){var t;return t=this.parsingMdat,this.stream.seek(t.start+t.size,!1,this.discardMdatData)?(n.debug("ISOFile","Found 'mdat' end in buffered data"),this.parsingMdat=null,!0):(this.nextParsePosition=this.stream.findEndContiguousBuf(),!1)},c.prototype.restoreParsePosition=function(){return this.stream.seek(this.lastBoxStartPosition,!0,this.discardMdatData)},c.prototype.saveParsePosition=function(){this.lastBoxStartPosition=this.stream.getPosition()},c.prototype.updateUsedBytes=function(t,e){this.stream.addUsedBytes&&("mdat"===t.type?(this.stream.addUsedBytes(t.hdr_size),this.discardMdatData&&this.stream.addUsedBytes(t.size-t.hdr_size)):this.stream.addUsedBytes(t.size))},c.prototype.add=p.Box.prototype.add,c.prototype.addBox=p.Box.prototype.addBox,c.prototype.init=function(t){var e=t||{};this.add("ftyp").set("major_brand",e.brands&&e.brands[0]||"iso4").set("minor_version",0).set("compatible_brands",e.brands||["iso4"]);var i=this.add("moov");return i.add("mvhd").set("timescale",e.timescale||600).set("rate",e.rate||65536).set("creation_time",0).set("modification_time",0).set("duration",e.duration||0).set("volume",e.width?0:256).set("matrix",[65536,0,0,0,65536,0,0,0,1073741824]).set("next_track_id",1),i.add("mvex"),this},c.prototype.addTrack=function(t){this.moov||this.init(t);var e=t||{};e.width=e.width||320,e.height=e.height||320,e.id=e.id||this.moov.mvhd.next_track_id,e.type=e.type||"avc1";var i=this.moov.add("trak");this.moov.mvhd.next_track_id=e.id+1,i.add("tkhd").set("flags",p.TKHD_FLAG_ENABLED|p.TKHD_FLAG_IN_MOVIE|p.TKHD_FLAG_IN_PREVIEW).set("creation_time",0).set("modification_time",0).set("track_id",e.id).set("duration",e.duration||0).set("layer",e.layer||0).set("alternate_group",0).set("volume",1).set("matrix",[0,0,0,0,0,0,0,0,0]).set("width",e.width<<16).set("height",e.height<<16);var r=i.add("mdia");r.add("mdhd").set("creation_time",0).set("modification_time",0).set("timescale",e.timescale||1).set("duration",e.media_duration||0).set("language",e.language||"und"),r.add("hdlr").set("handler",e.hdlr||"vide").set("name",e.name||"Track created with MP4Box.js"),r.add("elng").set("extended_language",e.language||"fr-FR");var s=r.add("minf");if(void 0!==p[e.type+"SampleEntry"]){var n=new p[e.type+"SampleEntry"];n.data_reference_index=1;var o="";for(var h in p.sampleEntryCodes)for(var d=p.sampleEntryCodes[h],l=0;l<d.length;l++)if(d.indexOf(e.type)>-1){o=h;break}switch(o){case"Visual":if(s.add("vmhd").set("graphicsmode",0).set("opcolor",[0,0,0]),n.set("width",e.width).set("height",e.height).set("horizresolution",72<<16).set("vertresolution",72<<16).set("frame_count",1).set("compressorname",e.type+" Compressor").set("depth",24),e.avcDecoderConfigRecord){var u=new p.avcCBox;u.parse(new a(e.avcDecoderConfigRecord)),n.addBox(u)}else if(e.hevcDecoderConfigRecord){var f=new p.hvcCBox;f.parse(new a(e.hevcDecoderConfigRecord)),n.addBox(f)}break;case"Audio":s.add("smhd").set("balance",e.balance||0),n.set("channel_count",e.channel_count||2).set("samplesize",e.samplesize||16).set("samplerate",e.samplerate||65536);break;case"Hint":s.add("hmhd");break;case"Subtitle":if(s.add("sthd"),"stpp"===e.type)n.set("namespace",e.namespace||"nonamespace").set("schema_location",e.schema_location||"").set("auxiliary_mime_types",e.auxiliary_mime_types||"");break;default:s.add("nmhd")}e.description&&n.addBox(e.description),e.description_boxes&&e.description_boxes.forEach((function(t){n.addBox(t)})),s.add("dinf").add("dref").addEntry((new p["url Box"]).set("flags",1));var c=s.add("stbl");return c.add("stsd").addEntry(n),c.add("stts").set("sample_counts",[]).set("sample_deltas",[]),c.add("stsc").set("first_chunk",[]).set("samples_per_chunk",[]).set("sample_description_index",[]),c.add("stco").set("chunk_offsets",[]),c.add("stsz").set("sample_sizes",[]),this.moov.mvex.add("trex").set("track_id",e.id).set("default_sample_description_index",e.default_sample_description_index||1).set("default_sample_duration",e.default_sample_duration||0).set("default_sample_size",e.default_sample_size||0).set("default_sample_flags",e.default_sample_flags||0),this.buildTrakSampleLists(i),e.id}},p.Box.prototype.computeSize=function(t){var e=t||new o;e.endianness=o.BIG_ENDIAN,this.write(e)},c.prototype.addSample=function(t,e,i){var r=i||{},s={},n=this.getTrackById(t);if(null!==n){s.number=n.samples.length,s.track_id=n.tkhd.track_id,s.timescale=n.mdia.mdhd.timescale,s.description_index=r.sample_description_index?r.sample_description_index-1:0,s.description=n.mdia.minf.stbl.stsd.entries[s.description_index],s.data=e,s.size=e.byteLength,s.alreadyRead=s.size,s.duration=r.duration||1,s.cts=r.cts||0,s.dts=r.dts||0,s.is_sync=r.is_sync||!1,s.is_leading=r.is_leading||0,s.depends_on=r.depends_on||0,s.is_depended_on=r.is_depended_on||0,s.has_redundancy=r.has_redundancy||0,s.degradation_priority=r.degradation_priority||0,s.offset=0,s.subsamples=r.subsamples,n.samples.push(s),n.samples_size+=s.size,n.samples_duration+=s.duration,void 0===n.first_dts&&(n.first_dts=r.dts),this.processSamples();var a=this.createSingleSampleMoof(s);return this.addBox(a),a.computeSize(),a.trafs[0].truns[0].data_offset=a.size+8,this.add("mdat").data=new Uint8Array(e),s}},c.prototype.createSingleSampleMoof=function(t){var e=0;e=t.is_sync?1<<25:65536;var i=new p.moofBox;i.add("mfhd").set("sequence_number",this.nextMoofNumber),this.nextMoofNumber++;var r=i.add("traf"),s=this.getTrackById(t.track_id);return r.add("tfhd").set("track_id",t.track_id).set("flags",p.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),r.add("tfdt").set("baseMediaDecodeTime",t.dts-(s.first_dts||0)),r.add("trun").set("flags",p.TRUN_FLAGS_DATA_OFFSET|p.TRUN_FLAGS_DURATION|p.TRUN_FLAGS_SIZE|p.TRUN_FLAGS_FLAGS|p.TRUN_FLAGS_CTS_OFFSET).set("data_offset",0).set("first_sample_flags",0).set("sample_count",1).set("sample_duration",[t.duration]).set("sample_size",[t.size]).set("sample_flags",[e]).set("sample_composition_time_offset",[t.cts-t.dts]),i},c.prototype.lastMoofIndex=0,c.prototype.samplesDataSize=0,c.prototype.resetTables=function(){var t,e,i,r,s,n;for(this.initial_duration=this.moov.mvhd.duration,this.moov.mvhd.duration=0,t=0;t<this.moov.traks.length;t++){(e=this.moov.traks[t]).tkhd.duration=0,e.mdia.mdhd.duration=0,(e.mdia.minf.stbl.stco||e.mdia.minf.stbl.co64).chunk_offsets=[],(i=e.mdia.minf.stbl.stsc).first_chunk=[],i.samples_per_chunk=[],i.sample_description_index=[],(e.mdia.minf.stbl.stsz||e.mdia.minf.stbl.stz2).sample_sizes=[],(r=e.mdia.minf.stbl.stts).sample_counts=[],r.sample_deltas=[],(s=e.mdia.minf.stbl.ctts)&&(s.sample_counts=[],s.sample_offsets=[]),n=e.mdia.minf.stbl.stss;var a=e.mdia.minf.stbl.boxes.indexOf(n);-1!=a&&(e.mdia.minf.stbl.boxes[a]=null)}},c.initSampleGroups=function(t,e,i,r,s){var n,a,o,h;function d(t,e,i){this.grouping_type=t,this.grouping_type_parameter=e,this.sbgp=i,this.last_sample_in_run=-1,this.entry_index=-1}for(e&&(e.sample_groups_info=[]),t.sample_groups_info||(t.sample_groups_info=[]),a=0;a<i.length;a++){for(h=i[a].grouping_type+"/"+i[a].grouping_type_parameter,o=new d(i[a].grouping_type,i[a].grouping_type_parameter,i[a]),e&&(e.sample_groups_info[h]=o),t.sample_groups_info[h]||(t.sample_groups_info[h]=o),n=0;n<r.length;n++)r[n].grouping_type===i[a].grouping_type&&(o.description=r[n],o.description.used=!0);if(s)for(n=0;n<s.length;n++)s[n].grouping_type===i[a].grouping_type&&(o.fragment_description=s[n],o.fragment_description.used=!0,o.is_fragment=!0)}if(e){if(s)for(a=0;a<s.length;a++)!s[a].used&&s[a].version>=2&&(h=s[a].grouping_type+"/0",(o=new d(s[a].grouping_type,0)).is_fragment=!0,e.sample_groups_info[h]||(e.sample_groups_info[h]=o))}else for(a=0;a<r.length;a++)!r[a].used&&r[a].version>=2&&(h=r[a].grouping_type+"/0",o=new d(r[a].grouping_type,0),t.sample_groups_info[h]||(t.sample_groups_info[h]=o))},c.setSampleGroupProperties=function(t,e,i,r){var s,n;for(s in e.sample_groups=[],r){var a;if(e.sample_groups[s]={},e.sample_groups[s].grouping_type=r[s].grouping_type,e.sample_groups[s].grouping_type_parameter=r[s].grouping_type_parameter,i>=r[s].last_sample_in_run&&(r[s].last_sample_in_run<0&&(r[s].last_sample_in_run=0),r[s].entry_index++,r[s].entry_index<=r[s].sbgp.entries.length-1&&(r[s].last_sample_in_run+=r[s].sbgp.entries[r[s].entry_index].sample_count)),r[s].entry_index<=r[s].sbgp.entries.length-1?e.sample_groups[s].group_description_index=r[s].sbgp.entries[r[s].entry_index].group_description_index:e.sample_groups[s].group_description_index=-1,0!==e.sample_groups[s].group_description_index)a=r[s].fragment_description?r[s].fragment_description:r[s].description,e.sample_groups[s].group_description_index>0?(n=e.sample_groups[s].group_description_index>65535?(e.sample_groups[s].group_description_index>>16)-1:e.sample_groups[s].group_description_index-1,a&&n>=0&&(e.sample_groups[s].description=a.entries[n])):a&&a.version>=2&&a.default_group_description_index>0&&(e.sample_groups[s].description=a.entries[a.default_group_description_index-1])}},c.process_sdtp=function(t,e,i){e&&(t?(e.is_leading=t.is_leading[i],e.depends_on=t.sample_depends_on[i],e.is_depended_on=t.sample_is_depended_on[i],e.has_redundancy=t.sample_has_redundancy[i]):(e.is_leading=0,e.depends_on=0,e.is_depended_on=0,e.has_redundancy=0))},c.prototype.buildSampleLists=function(){var t,e;for(t=0;t<this.moov.traks.length;t++)e=this.moov.traks[t],this.buildTrakSampleLists(e)},c.prototype.buildTrakSampleLists=function(t){var e,i,r,s,n,a,o,h,d,l,p,u,f,m,g,_,y,b,v,S,w,U,T,x;if(t.samples=[],t.samples_duration=0,t.samples_size=0,i=t.mdia.minf.stbl.stco||t.mdia.minf.stbl.co64,r=t.mdia.minf.stbl.stsc,s=t.mdia.minf.stbl.stsz||t.mdia.minf.stbl.stz2,n=t.mdia.minf.stbl.stts,a=t.mdia.minf.stbl.ctts,o=t.mdia.minf.stbl.stss,h=t.mdia.minf.stbl.stsd,d=t.mdia.minf.stbl.subs,u=t.mdia.minf.stbl.stdp,l=t.mdia.minf.stbl.sbgps,p=t.mdia.minf.stbl.sgpds,b=-1,v=-1,S=-1,w=-1,U=0,T=0,x=0,c.initSampleGroups(t,null,l,p),void 0!==s){for(e=0;e<s.sample_sizes.length;e++){var E={};E.number=e,E.track_id=t.tkhd.track_id,E.timescale=t.mdia.mdhd.timescale,E.alreadyRead=0,t.samples[e]=E,E.size=s.sample_sizes[e],t.samples_size+=E.size,0===e?(m=1,f=0,E.chunk_index=m,E.chunk_run_index=f,y=r.samples_per_chunk[f],_=0,g=f+1<r.first_chunk.length?r.first_chunk[f+1]-1:1/0):e<y?(E.chunk_index=m,E.chunk_run_index=f):(m++,E.chunk_index=m,_=0,m<=g||(g=++f+1<r.first_chunk.length?r.first_chunk[f+1]-1:1/0),E.chunk_run_index=f,y+=r.samples_per_chunk[f]),E.description_index=r.sample_description_index[E.chunk_run_index]-1,E.description=h.entries[E.description_index],E.offset=i.chunk_offsets[E.chunk_index-1]+_,_+=E.size,e>b&&(v++,b<0&&(b=0),b+=n.sample_counts[v]),e>0?(t.samples[e-1].duration=n.sample_deltas[v],t.samples_duration+=t.samples[e-1].duration,E.dts=t.samples[e-1].dts+t.samples[e-1].duration):E.dts=0,a?(e>=S&&(w++,S<0&&(S=0),S+=a.sample_counts[w]),E.cts=t.samples[e].dts+a.sample_offsets[w]):E.cts=E.dts,o?(e==o.sample_numbers[U]-1?(E.is_sync=!0,U++):(E.is_sync=!1,E.degradation_priority=0),d&&d.entries[T].sample_delta+x==e+1&&(E.subsamples=d.entries[T].subsamples,x+=d.entries[T].sample_delta,T++)):E.is_sync=!0,c.process_sdtp(t.mdia.minf.stbl.sdtp,E,E.number),E.degradation_priority=u?u.priority[e]:0,d&&d.entries[T].sample_delta+x==e&&(E.subsamples=d.entries[T].subsamples,x+=d.entries[T].sample_delta),(l.length>0||p.length>0)&&c.setSampleGroupProperties(t,E,e,t.sample_groups_info)}e>0&&(t.samples[e-1].duration=Math.max(t.mdia.mdhd.duration-t.samples[e-1].dts,0),t.samples_duration+=t.samples[e-1].duration)}},c.prototype.updateSampleLists=function(){var t,e,i,r,s,n,a,o,h,d,l,u,f,m,g;if(void 0!==this.moov)for(;this.lastMoofIndex<this.moofs.length;)if(h=this.moofs[this.lastMoofIndex],this.lastMoofIndex++,"moof"==h.type)for(d=h,t=0;t<d.trafs.length;t++){for(l=d.trafs[t],u=this.getTrackById(l.tfhd.track_id),f=this.getTrexById(l.tfhd.track_id),r=l.tfhd.flags&p.TFHD_FLAG_SAMPLE_DESC?l.tfhd.default_sample_description_index:f?f.default_sample_description_index:1,s=l.tfhd.flags&p.TFHD_FLAG_SAMPLE_DUR?l.tfhd.default_sample_duration:f?f.default_sample_duration:0,n=l.tfhd.flags&p.TFHD_FLAG_SAMPLE_SIZE?l.tfhd.default_sample_size:f?f.default_sample_size:0,a=l.tfhd.flags&p.TFHD_FLAG_SAMPLE_FLAGS?l.tfhd.default_sample_flags:f?f.default_sample_flags:0,l.sample_number=0,l.sbgps.length>0&&c.initSampleGroups(u,l,l.sbgps,u.mdia.minf.stbl.sgpds,l.sgpds),e=0;e<l.truns.length;e++){var _=l.truns[e];for(i=0;i<_.sample_count;i++){(m={}).moof_number=this.lastMoofIndex,m.number_in_traf=l.sample_number,l.sample_number++,m.number=u.samples.length,l.first_sample_index=u.samples.length,u.samples.push(m),m.track_id=u.tkhd.track_id,m.timescale=u.mdia.mdhd.timescale,m.description_index=r-1,m.description=u.mdia.minf.stbl.stsd.entries[m.description_index],m.size=n,_.flags&p.TRUN_FLAGS_SIZE&&(m.size=_.sample_size[i]),u.samples_size+=m.size,m.duration=s,_.flags&p.TRUN_FLAGS_DURATION&&(m.duration=_.sample_duration[i]),u.samples_duration+=m.duration,u.first_traf_merged||i>0?m.dts=u.samples[u.samples.length-2].dts+u.samples[u.samples.length-2].duration:(l.tfdt?m.dts=l.tfdt.baseMediaDecodeTime:m.dts=0,u.first_traf_merged=!0),m.cts=m.dts,_.flags&p.TRUN_FLAGS_CTS_OFFSET&&(m.cts=m.dts+_.sample_composition_time_offset[i]),g=a,_.flags&p.TRUN_FLAGS_FLAGS?g=_.sample_flags[i]:0===i&&_.flags&p.TRUN_FLAGS_FIRST_FLAG&&(g=_.first_sample_flags),m.is_sync=!(g>>16&1),m.is_leading=g>>26&3,m.depends_on=g>>24&3,m.is_depended_on=g>>22&3,m.has_redundancy=g>>20&3,m.degradation_priority=65535&g;var y=!!(l.tfhd.flags&p.TFHD_FLAG_BASE_DATA_OFFSET),b=!!(l.tfhd.flags&p.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),v=!!(_.flags&p.TRUN_FLAGS_DATA_OFFSET),S=0;S=y?l.tfhd.base_data_offset:b||0===e?d.start:o,m.offset=0===e&&0===i?v?S+_.data_offset:S:o,o=m.offset+m.size,(l.sbgps.length>0||l.sgpds.length>0||u.mdia.minf.stbl.sbgps.length>0||u.mdia.minf.stbl.sgpds.length>0)&&c.setSampleGroupProperties(u,m,m.number_in_traf,l.sample_groups_info)}}if(l.subs){u.has_fragment_subsamples=!0;var w=l.first_sample_index;for(e=0;e<l.subs.entries.length;e++)w+=l.subs.entries[e].sample_delta,(m=u.samples[w-1]).subsamples=l.subs.entries[e].subsamples}}},c.prototype.getSample=function(t,e){var i,r=t.samples[e];if(!this.moov)return null;if(r.data){if(r.alreadyRead==r.size)return r}else r.data=new Uint8Array(r.size),r.alreadyRead=0,this.samplesDataSize+=r.size,n.debug("ISOFile","Allocating sample #"+e+" on track #"+t.tkhd.track_id+" of size "+r.size+" (total: "+this.samplesDataSize+")");for(;;){var s=this.stream.findPosition(!0,r.offset+r.alreadyRead,!1);if(!(s>-1))return null;var a=(i=this.stream.buffers[s]).byteLength-(r.offset+r.alreadyRead-i.fileStart);if(r.size-r.alreadyRead<=a)return n.debug("ISOFile","Getting sample #"+e+" data (alreadyRead: "+r.alreadyRead+" offset: "+(r.offset+r.alreadyRead-i.fileStart)+" read size: "+(r.size-r.alreadyRead)+" full size: "+r.size+")"),o.memcpy(r.data.buffer,r.alreadyRead,i,r.offset+r.alreadyRead-i.fileStart,r.size-r.alreadyRead),i.usedBytes+=r.size-r.alreadyRead,this.stream.logBufferLevel(),r.alreadyRead=r.size,r;if(0===a)return null;n.debug("ISOFile","Getting sample #"+e+" partial data (alreadyRead: "+r.alreadyRead+" offset: "+(r.offset+r.alreadyRead-i.fileStart)+" read size: "+a+" full size: "+r.size+")"),o.memcpy(r.data.buffer,r.alreadyRead,i,r.offset+r.alreadyRead-i.fileStart,a),r.alreadyRead+=a,i.usedBytes+=a,this.stream.logBufferLevel()}},c.prototype.releaseSample=function(t,e){var i=t.samples[e];return i.data?(this.samplesDataSize-=i.size,i.data=null,i.alreadyRead=0,i.size):0},c.prototype.getAllocatedSampleDataSize=function(){return this.samplesDataSize},c.prototype.getCodecs=function(){var t,e="";for(t=0;t<this.moov.traks.length;t++){t>0&&(e+=","),e+=this.moov.traks[t].mdia.minf.stbl.stsd.entries[0].getCodec()}return e},c.prototype.getTrexById=function(t){var e;if(!this.moov||!this.moov.mvex)return null;for(e=0;e<this.moov.mvex.trexs.length;e++){var i=this.moov.mvex.trexs[e];if(i.track_id==t)return i}return null},c.prototype.getTrackById=function(t){if(void 0===this.moov)return null;for(var e=0;e<this.moov.traks.length;e++){var i=this.moov.traks[e];if(i.tkhd.track_id==t)return i}return null},c.prototype.items=[],c.prototype.itemsDataSize=0,c.prototype.flattenItemInfo=function(){var t,e,i,r=this.items,s=this.meta;if(null!=s&&void 0!==s.hdlr&&void 0!==s.iinf){for(t=0;t<s.iinf.item_infos.length;t++)(i={}).id=s.iinf.item_infos[t].item_ID,r[i.id]=i,i.ref_to=[],i.name=s.iinf.item_infos[t].item_name,s.iinf.item_infos[t].protection_index>0&&(i.protection=s.ipro.protections[s.iinf.item_infos[t].protection_index-1]),s.iinf.item_infos[t].item_type?i.type=s.iinf.item_infos[t].item_type:i.type="mime",i.content_type=s.iinf.item_infos[t].content_type,i.content_encoding=s.iinf.item_infos[t].content_encoding;if(s.iloc)for(t=0;t<s.iloc.items.length;t++){var a=s.iloc.items[t];switch(i=r[a.item_ID],0!==a.data_reference_index&&(n.warn("Item storage with reference to other files: not supported"),i.source=s.dinf.boxes[a.data_reference_index-1]),a.construction_method){case 0:break;case 1:case 2:n.warn("Item storage with construction_method : not supported")}for(i.extents=[],i.size=0,e=0;e<a.extents.length;e++)i.extents[e]={},i.extents[e].offset=a.extents[e].extent_offset+a.base_offset,i.extents[e].length=a.extents[e].extent_length,i.extents[e].alreadyRead=0,i.size+=i.extents[e].length}if(s.pitm&&(r[s.pitm.item_id].primary=!0),s.iref)for(t=0;t<s.iref.references.length;t++){var o=s.iref.references[t];for(e=0;e<o.references.length;e++)r[o.from_item_ID].ref_to.push({type:o.type,id:o.references[e]})}if(s.iprp)for(var h=0;h<s.iprp.ipmas.length;h++){var d=s.iprp.ipmas[h];for(t=0;t<d.associations.length;t++){var l=d.associations[t];for(void 0===(i=r[l.id]).properties&&(i.properties={},i.properties.boxes=[]),e=0;e<l.props.length;e++){var p=l.props[e];if(p.property_index>0&&p.property_index-1<s.iprp.ipco.boxes.length){var u=s.iprp.ipco.boxes[p.property_index-1];i.properties[u.type]=u,i.properties.boxes.push(u)}}}}}},c.prototype.getItem=function(t){var e,i;if(!this.meta)return null;if(!(i=this.items[t]).data&&i.size)i.data=new Uint8Array(i.size),i.alreadyRead=0,this.itemsDataSize+=i.size,n.debug("ISOFile","Allocating item #"+t+" of size "+i.size+" (total: "+this.itemsDataSize+")");else if(i.alreadyRead===i.size)return i;for(var r=0;r<i.extents.length;r++){var s=i.extents[r];if(s.alreadyRead!==s.length){var a=this.stream.findPosition(!0,s.offset+s.alreadyRead,!1);if(!(a>-1))return null;var h=(e=this.stream.buffers[a]).byteLength-(s.offset+s.alreadyRead-e.fileStart);if(!(s.length-s.alreadyRead<=h))return n.debug("ISOFile","Getting item #"+t+" extent #"+r+" partial data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-e.fileStart)+" read size: "+h+" full extent size: "+s.length+" full item size: "+i.size+")"),o.memcpy(i.data.buffer,i.alreadyRead,e,s.offset+s.alreadyRead-e.fileStart,h),s.alreadyRead+=h,i.alreadyRead+=h,e.usedBytes+=h,this.stream.logBufferLevel(),null;n.debug("ISOFile","Getting item #"+t+" extent #"+r+" data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-e.fileStart)+" read size: "+(s.length-s.alreadyRead)+" full extent size: "+s.length+" full item size: "+i.size+")"),o.memcpy(i.data.buffer,i.alreadyRead,e,s.offset+s.alreadyRead-e.fileStart,s.length-s.alreadyRead),e.usedBytes+=s.length-s.alreadyRead,this.stream.logBufferLevel(),i.alreadyRead+=s.length-s.alreadyRead,s.alreadyRead=s.length}}return i.alreadyRead===i.size?i:null},c.prototype.releaseItem=function(t){var e=this.items[t];if(e.data){this.itemsDataSize-=e.size,e.data=null,e.alreadyRead=0;for(var i=0;i<e.extents.length;i++){e.extents[i].alreadyRead=0}return e.size}return 0},c.prototype.processItems=function(t){for(var e in this.items){var i=this.items[e];this.getItem(i.id),t&&!i.sent&&(t(i),i.sent=!0,i.data=null)}},c.prototype.hasItem=function(t){for(var e in this.items){var i=this.items[e];if(i.name===t)return i.id}return-1},c.prototype.getMetaHandler=function(){return this.meta?this.meta.hdlr.handler:null},c.prototype.getPrimaryItem=function(){return this.meta&&this.meta.pitm?this.getItem(this.meta.pitm.item_id):null},c.prototype.itemToFragmentedTrackFile=function(t){var e=t||{},i=null;if(null==(i=e.itemId?this.getItem(e.itemId):this.getPrimaryItem()))return null;var r=new c;r.discardMdatData=!1;var s={type:i.type,description_boxes:i.properties.boxes};i.properties.ispe&&(s.width=i.properties.ispe.image_width,s.height=i.properties.ispe.image_height);var n=r.addTrack(s);return n?(r.addSample(n,i.data),r):null},c.prototype.write=function(t){for(var e=0;e<this.boxes.length;e++)this.boxes[e].write(t)},c.prototype.createFragment=function(t,e,i){var r=this.getTrackById(t),s=this.getSample(r,e);if(null==s)return this.setNextSeekPositionFromSample(r.samples[e]),null;var a=i||new o;a.endianness=o.BIG_ENDIAN;var h=this.createSingleSampleMoof(s);h.write(a),h.trafs[0].truns[0].data_offset=h.size+8,n.debug("MP4Box","Adjusting data_offset with new value "+h.trafs[0].truns[0].data_offset),a.adjustUint32(h.trafs[0].truns[0].data_offset_position,h.trafs[0].truns[0].data_offset);var d=new p.mdatBox;return d.data=s.data,d.write(a),a},c.writeInitializationSegment=function(t,e,i,r){var s;n.debug("ISOFile","Generating initialization segment");var a=new o;a.endianness=o.BIG_ENDIAN,t.write(a);var h=e.add("mvex");for(i&&h.add("mehd").set("fragment_duration",i),s=0;s<e.traks.length;s++)h.add("trex").set("track_id",e.traks[s].tkhd.track_id).set("default_sample_description_index",1).set("default_sample_duration",r).set("default_sample_size",0).set("default_sample_flags",65536);return e.write(a),a.buffer},c.prototype.save=function(t){var e=new o;e.endianness=o.BIG_ENDIAN,this.write(e),e.save(t)},c.prototype.getBuffer=function(){var t=new o;return t.endianness=o.BIG_ENDIAN,this.write(t),t.buffer},c.prototype.initializeSegmentation=function(){var t,e,i,r;for(null===this.onSegment&&n.warn("MP4Box","No segmentation callback set!"),this.isFragmentationInitialized||(this.isFragmentationInitialized=!0,this.nextMoofNumber=0,this.resetTables()),e=[],t=0;t<this.fragmentedTracks.length;t++){var s=new p.moovBox;s.mvhd=this.moov.mvhd,s.boxes.push(s.mvhd),i=this.getTrackById(this.fragmentedTracks[t].id),s.boxes.push(i),s.traks.push(i),(r={}).id=i.tkhd.track_id,r.user=this.fragmentedTracks[t].user,r.buffer=c.writeInitializationSegment(this.ftyp,s,this.moov.mvex&&this.moov.mvex.mehd?this.moov.mvex.mehd.fragment_duration:void 0,this.moov.traks[t].samples.length>0?this.moov.traks[t].samples[0].duration:0),e.push(r)}return e},p.Box.prototype.printHeader=function(t){this.size+=8,this.size>h&&(this.size+=8),"uuid"===this.type&&(this.size+=16),t.log(t.indent+"size:"+this.size),t.log(t.indent+"type:"+this.type)},p.FullBox.prototype.printHeader=function(t){this.size+=4,p.Box.prototype.printHeader.call(this,t),t.log(t.indent+"version:"+this.version),t.log(t.indent+"flags:"+this.flags)},p.Box.prototype.print=function(t){this.printHeader(t)},p.ContainerBox.prototype.print=function(t){this.printHeader(t);for(var e=0;e<this.boxes.length;e++)if(this.boxes[e]){var i=t.indent;t.indent+=" ",this.boxes[e].print(t),t.indent=i}},c.prototype.print=function(t){t.indent="";for(var e=0;e<this.boxes.length;e++)this.boxes[e]&&this.boxes[e].print(t)},p.mvhdBox.prototype.print=function(t){p.FullBox.prototype.printHeader.call(this,t),t.log(t.indent+"creation_time: "+this.creation_time),t.log(t.indent+"modification_time: "+this.modification_time),t.log(t.indent+"timescale: "+this.timescale),t.log(t.indent+"duration: "+this.duration),t.log(t.indent+"rate: "+this.rate),t.log(t.indent+"volume: "+(this.volume>>8)),t.log(t.indent+"matrix: "+this.matrix.join(", ")),t.log(t.indent+"next_track_id: "+this.next_track_id)},p.tkhdBox.prototype.print=function(t){p.FullBox.prototype.printHeader.call(this,t),t.log(t.indent+"creation_time: "+this.creation_time),t.log(t.indent+"modification_time: "+this.modification_time),t.log(t.indent+"track_id: "+this.track_id),t.log(t.indent+"duration: "+this.duration),t.log(t.indent+"volume: "+(this.volume>>8)),t.log(t.indent+"matrix: "+this.matrix.join(", ")),t.log(t.indent+"layer: "+this.layer),t.log(t.indent+"alternate_group: "+this.alternate_group),t.log(t.indent+"width: "+this.width),t.log(t.indent+"height: "+this.height)};var m={createFile:function(t,e){var i=void 0===t||t,r=new c(e);return r.discardMdatData=!i,r}};t.createFile=m.createFile}(Ps);var Ls=p(Ps);const zs=()=>{let t;self.onmessage=e=>{"start"===e.data.event&&(self.clearInterval(t),t=self.setInterval((()=>{self.postMessage({})}),16.6)),"stop"===e.data.event&&self.clearInterval(t)}},Fs=new Map;let Rs=1;const Os=(()=>{const t=new Blob([`(${zs.toString()})()`]),e=URL.createObjectURL(t);return new Worker(e)})();Os.onmessage=()=>{Rs+=1;for(const[t,e]of Fs.entries())Rs%t==0&&e.forEach((t=>t()))};function Ms(t,e={onChunk:onChunk,onDone:onDone}){let i=!1;return async function(){const r=t.getReader();for(;!i;){const{value:t,done:i}=await r.read();if(i)return void(e.onDone&&e.onDone());await e.onChunk(t)}r.releaseLock(),await t.cancel()}().catch(console.error),()=>{i=!0}}class Ns{readable;writable;#t=0;constructor(){const t=Ls.createFile();let e=0,i=!1;this.readable=new ReadableStream({start:i=>{t.onReady=e=>{const r=e.videoTracks[0]?.id;null!=r&&t.setExtractionOptions(r,"video",{nbSamples:100});const s=e.audioTracks[0]?.id;null!=s&&t.setExtractionOptions(s,"audio",{nbSamples:100}),i.enqueue({chunkType:"ready",data:{info:e,file:t}}),t.start()},t.onSamples=(t,r,s)=>{i.enqueue({chunkType:"samples",data:{id:t,type:r,samples:s}}),e=i.desiredSize??0},t.onFlush=()=>{i.close()}},pull:t=>{e=t.desiredSize??0},cancel:()=>{t.stop(),i=!0}},{highWaterMark:50}),this.writable=new WritableStream({write:async r=>{if(i)return void this.writable.abort();const s=r.buffer;for(s.fileStart=this.#t,this.#t+=s.byteLength,t.appendBuffer(s);e<0;)console.warn("outCtrlDesiredSize < 0::sleep"),await Hs(50)},close:()=>{t.flush(),t.stop(),t.onFlush?.()}})}}function Gs(t){return{type:t.is_sync?"key":"delta",timestamp:1e6*t.cts/t.timescale,duration:1e6*t.duration/t.timescale,data:t.data}}function Vs(t,e){const i=e.videoTracks[0],r={};if(null!=i){const s=function(t){for(const e of t.mdia.minf.stbl.stsd.entries){const t=e.avcC??e.hvcC??e.vpcC;if(null!=t){const e=new Ls.DataStream(void 0,0,Ls.DataStream.BIG_ENDIAN);return t.write(e),new Uint8Array(e.buffer.slice(8))}}throw Error("avcC, hvcC or VPX not found")}(t.getTrackById(i.id)).buffer,{descKey:n,type:a}=i.codec.startsWith("avc1")?{descKey:"avcDecoderConfigRecord",type:"avc1"}:i.codec.startsWith("hvc1")?{descKey:"hevcDecoderConfigRecord",type:"hvc1"}:{descKey:"",type:""};""!==n&&(r.videoTrackConf={timescale:i.timescale,duration:i.duration,width:i.video.width,height:i.video.height,brands:e.brands,type:a,[n]:s}),r.videoDecoderConf={codec:i.codec,codedHeight:i.video.height,codedWidth:i.video.width,description:s}}return r}function Hs(t){return new Promise((e=>{const i=((t,e)=>{const i=Math.round(e/16.6),r=Fs.get(i)??new Set;return r.add(t),Fs.set(i,r),1===Fs.size&&1===r.size&&Os.postMessage({event:"start"}),()=>{r.delete(t),0===r.size&&Fs.delete(i),0===Fs.size&&(Rs=0,Os.postMessage({event:"stop"}))}})((()=>{i(),e()}),t)}))}class Ys{constructor({onOutput:t,onError:e}){this.stopReadStream=null,this.mp4File=null,this.vdecoder=new VideoDecoder({output:e=>{t&&t(e)},error:t=>{e&&e(t)}})}async decode({data:t,start:e,end:i,onReady:r,onDone:s}){return await new Promise((async n=>{if(!t)return n();const a=new ReadableStream({start(e){e.enqueue(t),e.close()}});let o=!0,h=!0,d=0;this.stopReadStream=Ms(a.pipeThrough(new Ns),{onChunk:async({chunkType:t,data:s})=>{if("ready"===t){this.mp4File=s.file,s.info;const{videoDecoderConf:t}=Vs(s.file,s.info);return this.vdecoder.configure(t),void(r&&r(s.info))}if("samples"===t){const{id:t,type:r,samples:n}=s,a=n.length,l=n[a-1],p=1e6*l.cts/l.timescale;let u=0;if(e>p){if(u=n.findLastIndex((t=>t.is_sync)),u>=0)for(let t=u;t<a;t++)n[t]&&this.vdecoder.decode(new EncodedVideoChunk(Gs(n[t])));return void this.mp4File?.releaseUsedSamples(t,n.length)}for(let t=0;t<a;t+=1){const s=n[t];o&&s.is_sync&&(d=t);const a=1e6*s.cts/s.timescale,l=1e6*s.duration/s.timescale;if(!(a<e||a+l>i)&&"video"===r){if(h&&0===t&&0!==s.cts?(s.cts=0,h=!1):h=!0,o&&!s.is_sync)for(let e=d;e<t;e++)o=!1,this.vdecoder.decode(new EncodedVideoChunk(Gs(n[e])));this.vdecoder.decode(new EncodedVideoChunk(Gs(s)))}}this.mp4File?.releaseUsedSamples(t,n.length)}},onDone:async()=>{try{"configured"===this.vdecoder.state&&await this.vdecoder.flush(),this.mp4File.stream.cleanBuffers(),this.mp4File.stream=null,this.mp4File=null,s&&s()}catch(t){console.warn("videoDecode::onDone",t)}n()}})}))}destroy(){try{this.stopReadStream&&this.stopReadStream(),this.mp4File?.stop();for(const t in this.mp4File)Object.hasOwnProperty.call(this.mp4File,t)&&(this.mp4File[t]=null);this.mp4File=null,this.vdecoder.close(),this.vdecoder=null}catch(t){console.warn(t)}}}const Ws=t=>new Promise(((e,i)=>{const r=function(t){const e=188,i=71,r=t;let s=[],n=0,a=0;for(let t=0;t+e<=r.length;t+=e){const o=r.subarray(t,t+e);o[0]===i?(n++,s.push(o)):(a=n,console.error(`同步字节错误：在位置 ${t} 未找到 0x47`))}if(a>0)return void console.error(`发现 ${a} 个错误的包`);return s}(t);if(!r)return void i();let s,n=[],a=[];for(let t=0;t<r.length;t++){const e=r[t],i=js(e),s=Ks(e);257===i.headerInfo.pid&&a.push(...s)}const o=function(t){let e=[],i=0;const r=t;for(;i<r.length;)if(0===r[i]&&0===r[i+1]&&1===r[i+2]){r[i+3];const t=r[i+4]<<8|r[i+5],s=t?i+6+t:r.length;e.push(r.slice(i,s)),i=s}else i++;return e}(a);for(let t=0;t<o.length;t++){const e=qs(o[t]);0===t&&(s=e.pesHeaderInfo.pts/9e4-1.4),n.push(...e.payload)}e({reallyStartTime:s,aacData:new Uint8Array(n)})}));function js(t){if(71!==t[0])return;const e=t.subarray(0,4);return{headerInfo:{tei:(128&e[1])>>7,pusi:(64&e[1])>>6,transportPriority:(32&e[1])>>5,pid:(31&e[1])<<8|e[2],scramblingControl:(192&e[3])>>6,adaptationFieldControl:(48&e[3])>>4,continuityCounter:15&e[3]}}}function qs(t){if(0!==t[0]||0!==t[1]||1!==t[2])throw new Error("Invalid PES start code");const e=t[3],i=t[4]<<8|t[5];let r=6;if(190!==e&&191!==e){r+=3+t[8]}const s=new Uint8Array(t.slice(r,r+i));let n=null,a=null;if(190!==e&&191!==e){const e=t[7],i=(64&e)>>6;(128&e)>>7&&(n=Xs(t,9)),i&&(a=Xs(t,14))}return{pesHeaderInfo:{streamId:e,pesLength:i,pts:n,dts:a},payload:s}}function Ks(t){let e=4;const i=(48&t[3])>>4;if(2===i||3===i){e+=t[4]+1}if(1===i||3===i)return t.subarray(e)}function Xs(t,e){return(14&t[e])<<29|(255&t[e+1])<<22|(254&t[e+2])<<14|(255&t[e+3])<<7|(254&t[e+4])>>1}new class{constructor(t={}){this.config(t),this.init()}init(){["debug","log","info","warn","error"].forEach((e=>{this[e]=this.enable?self.console[e].bind(self.console,this.prefix):t}))}config({prefix:t="[video-player]::",debug:e=!1}){this.prefix=t,this.enable=e,this.init()}}({prefix:"[player-worker]::",debug:!0}).log("player worker loaded"),self.postLog=(...t)=>{self.debug&&self.postMessage({event:"log",data:t})};const Zs=new function(t){return{all:t=t||new Map,on:function(e,i){var r=t.get(e);r?r.push(i):t.set(e,[i])},off:function(e,i){var r=t.get(e);r&&(i?r.splice(r.indexOf(i)>>>0,1):t.set(e,[]))},emit:function(e,i){var r=t.get(e);r&&r.slice().map((function(t){t(i)})),(r=t.get("*"))&&r.slice().map((function(t){t(e,i)}))}}},Qs={Loader:new class{constructor({Emitter:t}){this.Emitter=t,this.playList=[],this.duration=0,this.loadedDuration=-1,this.maxBufferLength=10,this.seekTime=null,this.Emitter.on(a,this.seek.bind(this))}setPlayList(t){this.playList.forEach((t=>{t.loading&&t.controller&&t.controller.abort()})),this.playList=t;const e=t[t.length-1];this.duration=e.startTime+e.duration,self.duration=this.duration;const i=Math.max(this.loadedDuration,self.currentTime);this.loadFragmentByTime(i)}seek(t){this.seekTime=t,this.loadedDuration=0,this.abortFetchOutTime(t),this.loadFragmentByTime(t)}queueHandler(){this.loadedDuration>=self.currentTime+this.maxBufferLength||this.loadedDuration>=this.duration||this.loadFragmentByTime(this.seekTime||this.loadedDuration)}loadFragmentByTime(t){if(t<this.loadedDuration)return;const e=this.playList.find(((e,i)=>{const{startTime:r,duration:s}=e;if(r<=t&&t<r+s)return!0}));e&&this.loadFragment(e)}loadFragment(t){const{url:e,key:i,iv:s,loading:n,startTime:a,duration:o}=t;n||(t.loading=!0,t.controller=new AbortController,fetch(e,{signal:t.controller.signal}).then((t=>t.arrayBuffer())).then((n=>{if(t.loading=!1,a+o<self.currentTime)return;if(null!=this.seekTime){if(a+o<this.seekTime||a>this.seekTime)return;this.seekTime=null}if(this.loadedDuration>=a+o)return;this.loadedDuration=a+o;let h=i&&s?((t,e,i)=>new c.ModeOfOperation.cbc(e,i).decrypt(new Uint8Array(t)))(n,i,s):new Uint8Array(n);this.Emitter.emit(r,{startTime:a,duration:o,url:e,data:h}),h=null,this.queueHandler()})).catch((t=>{console.warn("loadFragment",t,a),self.postLog(t)})))}abortFetchOutTime(t){this.playList.forEach((e=>{const{startTime:i,duration:r,controller:s,loading:n}=e;n&&(i<=t&&t<i+r||(s&&s.abort(),e.loading=!1))}))}reset(){this.seekTime=null,this.loadedDuration=-1,this.loadedEnd=!1,this.playList.forEach((t=>{t.loading=!1}))}}({Emitter:Zs}),DecodeAudio:new class{constructor({Emitter:t}){this.Emitter=t,this.Emitter.on(r,this.onFragment.bind(this))}onFragment(t){const{startTime:e,duration:i,url:r,data:s}=t;e+i<self.currentTime||Ws(s).then((t=>{const{aacData:s,reallyStartTime:n}=t;self.postMessage({event:"demux-audio",data:{startTime:e,duration:i,url:r,reallyStartTime:n,aacData:s}})}))}}({Emitter:Zs}),DecodeVideo:new class{constructor({Emitter:t}){this.Emitter=t,this.queue=[],this.seekTime=null,this.decoding=!1,this.maxDecodLength=2,this.prevTimestamp=0,this.startTime=0,this.endTime=0,this.decodedDuration=0,this.errorValue=1e-5,this.decoder=new Ys({onOutput:this.decodeOutput.bind(this),onError:this.decodeError.bind(this)}),this.Emitter.on(r,this.onFragment.bind(this))}seek(t){this.seekTime=t,this.decodedDuration=0,this.prevTimestamp=0;const e=this.queue.findIndex((({startTime:e,duration:i})=>t>=e&&t<e+i));if(e>=0)return e>0&&this.queue.splice(0,e),this.decoder.stopReadStream(),void this.decodeQueue();this.queue=[],this.Emitter.emit(a,t)}onFragment(t){const{startTime:e,duration:i,data:r}=t;e+i<self.currentTime||(t=>new Promise(((e,i)=>{Ds.on("data",(async t=>{if("video"===t.type){const i=new Uint8Array(t.initSegment.byteLength+t.data.byteLength);i.set(t.initSegment,0),i.set(t.data,t.initSegment.byteLength),e(i)}})),Ds.on("done",(()=>{Ds.reset()})),Ds.push(t),Ds.flush()})))(r).then((r=>{t.data=null,this.queue.push({data:r,startTime:e,duration:i}),this.decodeQueueHandler()}))}decodeQueueHandler(){self.isIphone?this.decodedDuration-self.currentTime<=this.maxDecodLength-this.errorValue&&this.decodeQueue():!this.decoding&&this.queue.length&&this.decodeQueue()}decodeQueue(){if(0==this.queue.length)return;if(this.decoding)return;const t=1e6*self.currentTime;let e=this.queue[0];const{startTime:i,duration:r}=e,s=i+r;if(this.decodeStart=Math.max(1e6*this.decodedDuration,t),null!=this.seekTime){if(e.startTime>this.seekTime||this.seekTime>s)return e.data=null,this.queue.shift(),void this.decodeQueue();this.decodeStart=1e6*this.seekTime,self.postMessage({event:"decodeSeek",data:this.seekTime})}this.decodeEnd=self.isIphone?this.decodeStart+1e6*this.maxDecodLength:1e6*s,this.decoding=!0,this.decoder.decode({data:e.data,start:this.decodeStart,end:this.decodeEnd,onReady:t=>{},onDone:async()=>{this.decoding=!1,(this.decodeEnd/1e6>=s||self.currentTime>s||i>self.currentTime+2*this.maxDecodLength)&&(e===this.queue[0]&&this.queue.shift(),e.data=null,e=null,this.decodeQueueHandler())}})}async decodeOutput(t){if(!t)return;let{timestamp:e,duration:i}=t;i||this.prevTimestamp&&(i=e-this.prevTimestamp);const r=1e6*self.currentTime;if(!e)return 0!=r||self.firstVideoFrame?void t.close():(self.firstVideoFrame=!0,void self.postMessage({event:s,data:t},[t]));if(null!=this.seekTime){const r=1e6*this.seekTime;if(!(e-r<=2e5&&r<e+(i||1e5)))return void t.close();this.seekTime=null}if(r>e+i)return void t.close();if(1e6*this.decodedDuration>e+i)return void t.close();if(this.decodedDuration=Math.max(this.decodedDuration,(e+(i||0))/1e6),e&&(this.prevTimestamp=e),self.isIphone)return void self.postMessage({event:"videoFrame",data:t},[t]);const n={timestamp:e,duration:i,imageBitmap:await this.getImageBitmap(t)};self.postMessage({event:"videoFrame",data:n})}async getImageBitmap(t){if(!t)return;const e=t.displayWidth,i=t.displayHeight,r=new OffscreenCanvas(e,i);r.getContext("2d").drawImage(t,0,0,e,i),t.close();return await createImageBitmap(r)}decodeError(t){self.postLog(t)}}({Emitter:Zs})};let $s;self.currentTime=0,self.onmessage=t=>{!function({event:t,data:i}){switch(t){case"init":self.debug=i.debug,self.isIphone=i.isIphone;break;case e:case n:Qs.Loader.setPlayList(i);break;case d:!async function(t){self.currentTime=t,Qs.DecodeVideo.decodeQueueHandler()}(i);break;case o:!function(){$s&&clearInterval($s);$s=setInterval((()=>{Qs.Loader.queueHandler()}),1e3)}();break;case h:break;case a:r=i,self.currentTime=r,Qs.DecodeVideo.seek(r)}var r}(t.data)}}();
|