ArtPlayer/docs/compiled/artplayer-proxy-webav.js

/*!
 * artplayer-proxy-webav.js v1.0.0
 * Github: https://github.com/zhw2590582/ArtPlayer
 * (c) 2017-2025 Harvey Zack
 * Released under the MIT License.
 */
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a=t.mp4boxFile.moov;o.push({start:a.start,size:a.size});let{videoDecoderConf:n,audioDecoderConf:l}=eb(t.mp4boxFile,t.info);s.video=n??null,s.audio=l??null,null==n&&null==l&&t5.Log.error("MP4Clip no video and audio track"),t5.Log.info("mp4BoxFile moov ready",{...t.info,tracks:null,videoTracks:null,audioTracks:null},s)},(t,r,s)=>{if("video"===r)for(let t of(-1===l&&(l=s[0].dts),s))a.push(p(t,l,"video"));else if("audio"===r&&e.audio)for(let t of(-1===h&&(h=s[0].dts),s))n.push(p(t,h,"audio"))}),await d.close();let u=a.at(-1)??n.at(-1);if(null==r)throw Error("MP4Clip stream is done, but not emit ready");if(null==u)throw Error("MP4Clip stream not contain any sample");return eP(a),t5.Log.info("mp4 stream parsed"),{videoSamples:a,audioSamples:n,decoderConf:s,headerBoxPos:o};function p(t,e=0,r){let s="video"===r&&t.is_sync?function(t,e){if("avc1"!==e&&"hvc1"!==e)return 0;let r=new DataView(t.buffer),s=0;for(;s<t.byteLength-4;){if("avc1"===e&&(31&r.getUint8(s+4))==5)return s;if("hvc1"===e){let 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t{constructor(t,e={}){en(this,ti),er(this,"ready"),en(this,Q,{duration:0,width:0,height:0}),en(this,q,new Float32Array),en(this,tt,new Float32Array),en(this,te),er(this,"tickInterceptor",async(t,e)=>e),en(this,ts,0),en(this,ta,0),eo(this,te,{loop:!1,volume:1,...e}),this.ready=el(this,ti,tr).call(this,t).then(()=>({width:0,height:0,duration:e.loop?1/0:ea(this,Q).duration}))}get meta(){return{...ea(this,Q),sampleRate:ew.sampleRate,chanCount:2}}getPCMData(){return[ea(this,q),ea(this,tt)]}async tick(t){if(!ea(this,te).loop&&t>=ea(this,Q).duration)return await this.tickInterceptor(t,{audio:[],state:"done"});let e=t-ea(this,ts);if(t<ea(this,ts)||e>3e6)return eo(this,ts,t),eo(this,ta,Math.ceil(ea(this,ts)/1e6*ew.sampleRate)),await this.tickInterceptor(t,{audio:[new Float32Array(0),new Float32Array(0)],state:"success"});eo(this,ts,t);let r=Math.ceil(e/1e6*ew.sampleRate),s=ea(this,ta)+r,a=ea(this,te).loop?[eg(ea(this,q),ea(this,ta),s),eg(ea(this,tt),ea(this,ta),s)]:[ea(this,q).slice(ea(this,ta),s),ea(this,tt).slice(ea(this,ta),s)];return eo(this,ta,s),await this.tickInterceptor(t,{audio:a,state:"success"})}async split(e){await this.ready;let r=Math.ceil(e/1e6*ew.sampleRate);return[new t(this.getPCMData().map(t=>t.slice(0,r)),ea(this,te)),new t(this.getPCMData().map(t=>t.slice(r)),ea(this,te))]}async clone(){await this.ready;let e=new t(this.getPCMData(),ea(this,te));return await e.ready,e}destroy(){eo(this,q,new Float32Array(0)),eo(this,tt,new Float32Array(0)),t5.Log.info("---- audioclip destroy ----")}};Q=new WeakMap,q=new WeakMap,tt=new WeakMap,te=new WeakMap,ti=new WeakSet,tr=async function(t){null==eD.ctx&&(eD.ctx=new AudioContext({sampleRate:ew.sampleRate}));let e=performance.now(),r=t instanceof ReadableStream?await eN(t,eD.ctx):t;t5.Log.info("Audio clip decoded complete:",performance.now()-e);let s=ea(this,te).volume;if(1!==s)for(let t of r)for(let e=0;e<t.length;e+=1)t[e]*=s;ea(this,Q).duration=r[0].length/ew.sampleRate*1e6,eo(this,q,r[0]),eo(this,tt,r[1]??ea(this,q)),t5.Log.info("Audio clip convert to AudioData, time:",performance.now()-e)},ts=new WeakMap,ta=new WeakMap,er(eD,"ctx",null);let eO=eD;async function eN(t,e){let r=await new Response(t).arrayBuffer();return ep(await e.decodeAudioData(r))}let eG=class t{constructor(t){er(this,"ready"),en(this,tn,{duration:0,width:0,height:0}),en(this,to,()=>{}),er(this,"audioTrack"),en(this,tl,null),en(this,th),eo(this,th,t),this.audioTrack=t.getAudioTracks()[0]??null,ea(this,tn).duration=1/0;let e=t.getVideoTracks()[0];null!=e?(e.contentHint="motion",this.ready=new Promise(t=>{var r,s;let a,n;eo(this,to,(r=e,s=e=>{ea(this,tn).width=e.width,ea(this,tn).height=e.height,eo(this,tl,e),t(this.meta)},a=!1,(0,t5.autoReadStream)(new MediaStreamTrackProcessor({track:r}).readable,{onChunk:async t=>{if(!a){let{displayHeight:e,displayWidth:r}=t,o=new OffscreenCanvas(r??0,e??0);n=o.getContext("2d"),s(o),a=!0}n.drawImage(t,0,0),t.close()},onDone:async()=>{}})))})):this.ready=Promise.resolve(this.meta)}get meta(){return{...ea(this,tn)}}async tick(){return{video:null==ea(this,tl)?null:await createImageBitmap(ea(this,tl)),audio:[],state:"success"}}async split(){return[await this.clone(),await this.clone()]}async clone(){return new t(ea(this,th).clone())}destroy(){ea(this,th).getTracks().forEach(t=>t.stop()),ea(this,to).call(this)}};tn=new WeakMap,to=new WeakMap,tl=new WeakMap,th=new WeakMap,er(eG,"ctx",null);let eW=eG,eY=class t{constructor(t,e){var r;if(en(this,ty),er(this,"ready"),en(this,td,[]),en(this,tu,{width:0,height:0,duration:0}),en(this,tp,{color:"#FFF",textBgColor:null,type:"srt",fontSize:30,letterSpacing:null,bottomOffset:30,fontFamily:"Noto Sans SC",strokeStyle:"#000",lineWidth:null,lineCap:null,lineJoin:null,textShadow:{offsetX:2,offsetY:2,blur:4,color:"#000"},videoWidth:1280,videoHeight:720}),en(this,tc),en(this,tf),en(this,tm,null),en(this,t_,0),en(this,tg,0),eo(this,td,Array.isArray(t)?t:t.split(/\r|\n/).map(t=>t.trim()).filter(t=>t.length>0).map(t=>({lineStr:t,match:t.match(/(\d{2}:\d{2}:\d{2},\d{3}) --> (\d{2}:\d{2}:\d{2},\d{3})/)})).filter(({lineStr:t},e,r)=>{var s;return!(/^\d+$/.test(t)&&(null==(s=r[e+1])?void 0:s.match)!=null)}).reduce((t,{lineStr:e,match:r})=>{if(null==r){let r=t.at(-1);if(null==r)return t;r.text+=0===r.text.length?e:` ${e}`}else t.push({start:eV(r[1]),end:eV(r[2]),text:""});return t},[]).map(({start:t,end:e,text:r})=>({start:1e6*t,end:1e6*e,text:r}))),0===ea(this,td).length)throw Error("No subtitles content");eo(this,tp,Object.assign(ea(this,tp),e)),eo(this,tg,null==e.textBgColor?0:(e.fontSize??50)*.2);let{fontSize:s,fontFamily:a,videoWidth:n,videoHeight:o,letterSpacing:l}=ea(this,tp);eo(this,t_,s+2*ea(this,tg)),eo(this,tc,new OffscreenCanvas(n,o)),eo(this,tf,ea(this,tc).getContext("2d")),ea(this,tf).font=`${s}px ${a}`,ea(this,tf).textAlign="center",ea(this,tf).textBaseline="top",ea(this,tf).letterSpacing=l??"0px",eo(this,tu,{width:n,height:o,duration:(null==(r=ea(this,td).at(-1))?void 0:r.end)??0}),this.ready=Promise.resolve(this.meta)}get meta(){return{...ea(this,tu)}}async tick(t){var e,r;if(null!=ea(this,tm)&&t>=ea(this,tm).timestamp&&t<=ea(this,tm).timestamp+(ea(this,tm).duration??0))return{video:ea(this,tm).clone(),state:"success"};let s=0;for(;s<ea(this,td).length&&!(t<=ea(this,td)[s].end);s+=1);let a=ea(this,td)[s]??ea(this,td).at(-1);if(t>a.end)return{state:"done"};if(t<a.start){ea(this,tf).clearRect(0,0,ea(this,tc).width,ea(this,tc).height);let r=new VideoFrame(ea(this,tc),{timestamp:t,duration:a.start-t});return null==(e=ea(this,tm))||e.close(),eo(this,tm,r),{video:r.clone(),state:"success"}}el(this,ty,tw).call(this,a.text);let n=new VideoFrame(ea(this,tc),{timestamp:t,duration:a.end-t});return null==(r=ea(this,tm))||r.close(),eo(this,tm,n),{video:n.clone(),state:"success"}}async split(e){await this.ready;let r=-1;for(let t=0;t<ea(this,td).length;t++)if(!(e>ea(this,td)[t].start)){r=t;break}if(-1===r)throw Error("Not found subtitle by time");let s=ea(this,td).slice(0,r).map(t=>({...t})),a=s.at(-1),n=null;null!=a&&a.end>e&&(n={start:0,end:a.end-e,text:a.text},a.end=e);let o=ea(this,td).slice(r).map(t=>({...t,start:t.start-e,end:t.end-e}));return null!=n&&o.unshift(n),[new t(s,ea(this,tp)),new t(o,ea(this,tp))]}async clone(){return new t(ea(this,td).slice(0),ea(this,tp))}destroy(){var t;null==(t=ea(this,tm))||t.close()}};td=new WeakMap,tu=new WeakMap,tp=new WeakMap,tc=new WeakMap,tf=new WeakMap,tm=new WeakMap,t_=new WeakMap,tg=new WeakMap,ty=new WeakSet,tw=function(t){let e=t.split(` `).reverse().map(t=>t.trim()),{width:r,height:s}=ea(this,tc),{color:a,fontSize:n,textBgColor:o,textShadow:l,strokeStyle:h,lineWidth:d,lineCap:u,lineJoin:p,bottomOffset:c}=ea(this,tp),f=ea(this,tf);f.clearRect(0,0,r,s),f.globalAlpha=.6;let m=c;for(let t of e){let e=f.measureText(t),c=r/2;null!=o&&(f.shadowOffsetX=0,f.shadowOffsetY=0,f.shadowBlur=0,f.fillStyle=o,f.globalAlpha=.5,f.fillRect(c-e.actualBoundingBoxLeft-ea(this,tg),s-m-ea(this,t_),e.width+2*ea(this,tg),ea(this,t_))),f.shadowColor=l.color,f.shadowOffsetX=l.offsetX,f.shadowOffsetY=l.offsetY,f.shadowBlur=l.blur,f.globalAlpha=1,null!=h&&(f.lineWidth=d??n/6,null!=u&&(f.lineCap=u),null!=p&&(f.lineJoin=p),f.strokeStyle=h,f.strokeText(t,c,s-m-ea(this,t_)+ea(this,tg))),f.fillStyle=a,f.fillText(t,c,s-m-ea(this,t_)+ea(this,tg)),m+=ea(this,t_)+.2*n}};let eH=eY;function eV(t){let e=t.match(/(\d{2}):(\d{2}):(\d{2}),(\d{3})/);if(null==e)throw Error(`time format error: ${t}`);let r=Number(e[1]),s=Number(e[2]);return 3600*r+60*s+Number(e[3])+Number(e[4])/1e3}class ej{constructor(){er(this,"readable"),er(this,"writable"),en(this,tb,0);let t=t4.default.createFile(),e=!1;this.readable=new ReadableStream({start:e=>{t.onReady=r=>{var s,a;let n=null==(s=r.videoTracks[0])?void 0:s.id;null!=n&&t.setExtractionOptions(n,"video",{nbSamples:100});let o=null==(a=r.audioTracks[0])?void 0:a.id;null!=o&&t.setExtractionOptions(o,"audio",{nbSamples:100}),e.enqueue({chunkType:"ready",data:{info:r,file:t}}),t.start()};let r={};t.onSamples=(s,a,n)=>{e.enqueue({chunkType:"samples",data:{id:s,type:a,samples:n.map(t=>({...t}))}}),r[s]=(r[s]??0)+n.length,t.releaseUsedSamples(s,r[s])},t.onFlush=()=>{e.close()}},cancel:()=>{t.stop(),e=!0}},{highWaterMark:50}),this.writable=new WritableStream({write:async r=>{if(e)return void this.writable.abort();let s=r.buffer;s.fileStart=ea(this,tb),eo(this,tb,ea(this,tb)+s.byteLength),t.appendBuffer(s)},close:()=>{var e;t.flush(),t.stop(),null==(e=t.onFlush)||e.call(t)}})}}async function eZ(t){let e=t4.default.createFile(),r=function(t){let e=0,r=t.boxes,s=[],a=0;async function n(){let n=f(r,e);e=r.length,s.forEach(({track:e,id:r})=>{let s=e.samples.at(-1);null!=s&&(a=Math.max(a,s.cts+s.duration)),t.releaseUsedSamples(r,e.samples.length),e.samples=[]}),t.mdats=[],t.moofs=[],null!=n&&await (null==u?void 0:u.write(n))}let o=[];function l(){if(o.length>0)return!0;let a=r.findIndex(t=>"moov"===t.type);if(-1===a)return!1;if(o=r.slice(0,a+1),e=a+1,0===s.length)for(let e=1;;e+=1){let r=t.getTrackById(e);if(null==r)break;s.push({track:r,id:e})}return!0}let h=0,d=(0,t9.tmpfile)(),u=null,p=(async()=>{u=await d.createWriter(),h=self.setInterval(()=>{l()&&n()},100)})(),c=!1;return async()=>{if(c)throw Error("File exported");if(c=!0,await p,clearInterval(h),!l()||null==u)return null;t.flush(),await n(),await (null==u?void 0:u.close());let e=o.find(t=>"moov"===t.type);if(null==e)return null;e.mvhd.duration=a;let r=(0,t9.tmpfile)(),s=f(o,0);return await (0,t9.write)(r,s),await (0,t9.write)(r,d,{overwrite:!1}),await r.stream()};function f(t,e){if(e>=t.length)return null;let r=new t4.default.DataStream;r.endianness=t4.default.DataStream.BIG_ENDIAN;for(let s=e;s<t.length;s++)null!==t[s]&&(t[s].write(r),delete t[s]);return new Uint8Array(r.buffer)}}(e);await eX(t,e);let s=await r();if(null==s)throw Error("Can not generate file from streams");return s}async function eX(t,e){let r=0,s=0,a=0,n=0,o=0,l=0,h=null,d=null;for(let u of t)await new Promise(async t=>{(0,t5.autoReadStream)(u.pipeThrough(new ej),{onDone:t,onChunk:async({chunkType:t,data:u})=>{if("ready"===t){let{videoTrackConf:t,audioTrackConf:s}=eb(u.file,u.info);0===r&&null!=t&&(r=e.addTrack(t)),0===n&&null!=s&&(n=e.addTrack(s))}else if("samples"===t){let{type:t,samples:p}=u,c="video"===t?r:n,f="video"===t?s:o,m="video"===t?a:l;p.forEach(t=>{e.addSample(c,t.data,{duration:t.duration,dts:t.dts+f,cts:t.cts+m,is_sync:t.is_sync})});let _=p.at(-1);if(null==_)return;"video"===t?h=_:"audio"===t&&(d=_)}}})}),null!=h&&(s+=h.dts,a+=h.cts),null!=d&&(o+=d.dts,l+=d.cts)}async function e$(t){return await eZ([t])}function eK(t,e){t5.Log.info("mixinMP4AndAudio, opts:",{volume:e.volume,loop:e.loop});let r=t4.default.createFile(),{stream:s,stop:a}=(0,t5.file2stream)(r,500),n=null,o=null,l=[],h=0,d=0,u=0,p=!0,c=ew.sampleRate;function f(t){let r=l.map(r=>e.loop?eg(r,u,u+t):r.slice(u,u+t));if(u+=t,1!==e.volume)for(let t of r)for(let r=0;r<t.length;r++)t[r]*=e.volume;return r}async function m(t){let e=t[0],r=t[t.length-1],s=ef([f(Math.floor((r.cts+r.duration-e.cts)/r.timescale*c))]);0!==s.length&&(null==o||o.encode(s,e.cts/e.timescale*1e6))}async function _(t){if(null==n)return;let e=function(t){let e=[];for(let r=0;r<t.length;r+=1)for(let s=0;s<t[r].length;s+=1)null==e[s]&&(e[s]=[]),e[s].push(t[r][s]);return e.map(ed)}((await n.decode(t)).map(eu)),r=f(e[0].length),s=t[0];null==o||o.encode(ef([e,r]),s.cts/s.timescale*1e6)}return(0,t5.autoReadStream)(t.pipeThrough(new ej),{onDone:async()=>{await (null==o?void 0:o.stop()),null==n||n.close(),a()},onChunk:async({chunkType:t,data:s})=>{if("ready"===t){let{videoTrackConf:t,audioTrackConf:a,audioDecoderConf:u}=eb(s.file,s.info);0===h&&null!=t&&(h=r.addTrack(t));let f=a??{timescale:1e6,samplerate:c,channel_count:ew.channelCount,hdlr:"soun",name:"SoundHandler",type:"mp4a"};0===d&&(d=r.addTrack(f),c=(null==a?void 0:a.samplerate)??c,p=null!=a);let m=new AudioContext({sampleRate:c});l=ep(await m.decodeAudioData(await new Response(e.stream).arrayBuffer())),null!=u&&(n=function(t){let e=[],r=new AudioDecoder({output:t=>{e.push(t)},error:t5.Log.error});return r.configure(t),{decode:async t=>{t.forEach(t=>{r.decode(new EncodedAudioChunk({type:t.is_sync?"key":"delta",timestamp:1e6*t.cts/t.timescale,duration:1e6*t.duration/t.timescale,data:t.data}))}),await r.flush();let s=e;return e=[],s},close:()=>{r.close()}}}(u)),o=function(t,e){let r={codec:t.codec,sampleRate:t.sampleRate,numberOfChannels:t.numberOfChannels},s=new AudioEncoder({output:t=>{e(function(t){let e=new ArrayBuffer(t.byteLength);t.copyTo(e);let r=t.timestamp;return{duration:t.duration??0,dts:r,cts:r,is_sync:"key"===t.type,data:e}}(t))},error:t=>{t5.Log.error("AudioEncoder error:",t,", config:",r)}});s.configure(r);let a=null;function n(e,r){return new AudioData({timestamp:r,numberOfChannels:t.numberOfChannels,numberOfFrames:e.length/t.numberOfChannels,sampleRate:t.sampleRate,format:"f32-planar",data:e})}return{encode:async(t,e)=>{null!=a&&s.encode(n(a.data,a.ts)),a={data:t,ts:e}},stop:async()=>{null!=a&&(function(t,e,r){let s=t.length-1,a=Math.min(r/2,s);for(let r=0;r<a;r++)for(let n=1;n<=e;n++)t[Math.floor(s/n)-r]*=r/a}(a.data,t.numberOfChannels,t.sampleRate),s.encode(n(a.data,a.ts)),a=null),await s.flush(),s.close()}}}(u??{codec:"mp4a"===f.type?ew.codec:f.type,numberOfChannels:f.channel_count,sampleRate:f.samplerate},t=>r.addSample(d,t.data,t))}else if("samples"===t){let{id:t,type:e,samples:a}=s;if("video"===e){a.forEach(e=>r.addSample(t,e.data,e)),p||await m(a);return}"audio"===e&&await _(a)}}}),s}tb=new WeakMap;let eJ=`#version 300 es layout (location = 0) in vec4 a_position; layout (location = 1) in vec2 a_texCoord; out vec2 v_texCoord; void main () { gl_Position = a_position; v_texCoord = a_texCoord; } `,eQ=`#version 300 es precision mediump float; out vec4 FragColor; in vec2 v_texCoord; uniform sampler2D frameTexture; uniform vec3 keyColor; // \u{8272}\u{5EA6}\u{7684}\u{76F8}\u{4F3C}\u{5EA6}\u{8BA1}\u{7B97} uniform float similarity; // \u{900F}\u{660E}\u{5EA6}\u{7684}\u{5E73}\u{6ED1}\u{5EA6}\u{8BA1}\u{7B97} uniform float smoothness; // \u{964D}\u{4F4E}\u{7EFF}\u{5E55}\u{9971}\u{548C}\u{5EA6}\u{FF0C}\u{63D0}\u{9AD8}\u{62A0}\u{56FE}\u{51C6}\u{786E}\u{5EA6} uniform float spill; vec2 RGBtoUV(vec3 rgb) { return vec2( rgb.r * -0.169 + rgb.g * -0.331 + rgb.b * 0.5 + 0.5, rgb.r * 0.5 + rgb.g * -0.419 + rgb.b * -0.081 + 0.5 ); } void main() { // \u{83B7}\u{53D6}\u{5F53}\u{524D}\u{50CF}\u{7D20}\u{7684}rgba\u{503C} vec4 rgba = texture(frameTexture, v_texCoord); // \u{8BA1}\u{7B97}\u{5F53}\u{524D}\u{50CF}\u{7D20}\u{4E0E}\u{7EFF}\u{5E55}\u{50CF}\u{7D20}\u{7684}\u{8272}\u{5EA6}\u{5DEE}\u{503C} vec2 chromaVec = RGBtoUV(rgba.rgb) - RGBtoUV(keyColor); // \u{8BA1}\u{7B97}\u{5F53}\u{524D}\u{50CF}\u{7D20}\u{4E0E}\u{7EFF}\u{5E55}\u{50CF}\u{7D20}\u{7684}\u{8272}\u{5EA6}\u{8DDD}\u{79BB}\u{FF08}\u{5411}\u{91CF}\u{957F}\u{5EA6}\u{FF09}, \u{8D8A}\u{76F8}\u{50CF}\u{5219}\u{8272}\u{5EA6}\u{8DDD}\u{79BB}\u{8D8A}\u{5C0F} float chromaDist = sqrt(dot(chromaVec, chromaVec)); // \u{8BBE}\u{7F6E}\u{4E86}\u{4E00}\u{4E2A}\u{76F8}\u{4F3C}\u{5EA6}\u{9608}\u{503C}\u{FF0C}baseMask\u{4E3A}\u{8D1F}\u{FF0C}\u{5219}\u{8868}\u{660E}\u{662F}\u{7EFF}\u{5E55}\u{FF0C}\u{4E3A}\u{6B63}\u{5219}\u{8868}\u{660E}\u{4E0D}\u{662F}\u{7EFF}\u{5E55} float baseMask = chromaDist - similarity; // \u{5982}\u{679C}baseMask\u{4E3A}\u{8D1F}\u{6570}\u{FF0C}fullMask\u{7B49}\u{4E8E}0\u{FF1B}baseMask\u{4E3A}\u{6B63}\u{6570}\u{FF0C}\u{8D8A}\u{5927}\u{FF0C}\u{5219}\u{900F}\u{660E}\u{5EA6}\u{8D8A}\u{4F4E} float fullMask = pow(clamp(baseMask / smoothness, 0., 1.), 1.5); rgba.a = fullMask; // \u{8BBE}\u{7F6E}\u{900F}\u{660E}\u{5EA6} // \u{5982}\u{679C}baseMask\u{4E3A}\u{8D1F}\u{6570}\u{FF0C}spillVal\u{7B49}\u{4E8E}0\u{FF1B}baseMask\u{4E3A}\u{6574}\u{6570}\u{FF0C}\u{8D8A}\u{5C0F}\u{FF0C}\u{9971}\u{548C}\u{5EA6}\u{8D8A}\u{4F4E} float spillVal = pow(clamp(baseMask / spill, 0., 1.), 1.5); float desat = clamp(rgba.r * 0.2126 + rgba.g * 0.7152 + rgba.b * 0.0722, 0., 1.); // \u{8BA1}\u{7B97}\u{5F53}\u{524D}\u{50CF}\u{7D20}\u{7684}\u{7070}\u{5EA6}\u{503C} rgba.rgb = mix(vec3(desat, desat, desat), rgba.rgb, spillVal); FragColor = rgba; } `,eq=[-1,1,-1,-1,1,-1,1,-1,1,1,-1,1],e0=[0,1,0,0,1,0,1,0,1,1,0,1];function e1(t,e,r){let s=t.createShader(e);if(t.shaderSource(s,r),t.compileShader(s),!t.getShaderParameter(s,t.COMPILE_STATUS)){let e=t.getShaderInfoLog(s);throw t.deleteShader(s),Error(e??"An error occurred compiling the shaders")}return s}let e2=t=>{let e=null,r=null,s=t.keyColor,a=null;return async n=>{var o,l;if((null==e||null==r||null==a)&&(null==s&&(s=function(t){let e=new OffscreenCanvas(1,1).getContext("2d");e.drawImage(t,0,0);let{data:[r,s,a]}=e.getImageData(0,0,1,1);return[r,s,a]}(n)),{cvs:e,gl:r}=function(t){let e="document"in globalThis?globalThis.document.createElement("canvas"):new OffscreenCanvas(t.width,t.height);e.width=t.width,e.height=t.height;let r=e.getContext("webgl2",{premultipliedAlpha:!1,alpha:!0});if(null==r)throw Error("Cant create gl context");let s=function(t,e,r){let s=e1(t,t.VERTEX_SHADER,e),a=e1(t,t.FRAGMENT_SHADER,r),n=t.createProgram();if(t.attachShader(n,s),t.attachShader(n,a),t.linkProgram(n),!t.getProgramParameter(n,t.LINK_STATUS))throw Error(t.getProgramInfoLog(n)??"Unable to initialize the shader program");return n}(r,eJ,eQ);r.useProgram(s),r.uniform3fv(r.getUniformLocation(s,"keyColor"),t.keyColor.map(t=>t/255)),r.uniform1f(r.getUniformLocation(s,"similarity"),t.similarity),r.uniform1f(r.getUniformLocation(s,"smoothness"),t.smoothness),r.uniform1f(r.getUniformLocation(s,"spill"),t.spill);let a=r.createBuffer();r.bindBuffer(r.ARRAY_BUFFER,a),r.bufferData(r.ARRAY_BUFFER,new Float32Array(eq),r.STATIC_DRAW);let n=r.getAttribLocation(s,"a_position");r.vertexAttribPointer(n,2,r.FLOAT,!1,2*Float32Array.BYTES_PER_ELEMENT,0),r.enableVertexAttribArray(n);let o=r.createBuffer();r.bindBuffer(r.ARRAY_BUFFER,o),r.bufferData(r.ARRAY_BUFFER,new Float32Array(e0),r.STATIC_DRAW);let l=r.getAttribLocation(s,"a_texCoord");return r.vertexAttribPointer(l,2,r.FLOAT,!1,2*Float32Array.BYTES_PER_ELEMENT,0),r.enableVertexAttribArray(l),r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,1),{cvs:e,gl:r}}({...n instanceof VideoFrame?{width:n.codedWidth,height:n.codedHeight}:{width:n.width,height:n.height},keyColor:s,...t}),a=function(t){let e=t.createTexture();if(null==e)throw Error("Create WebGL texture error");t.bindTexture(t.TEXTURE_2D,e);let r=t.RGBA,s=t.RGBA,a=t.UNSIGNED_BYTE,n=new Uint8Array([0,0,255,255]);return t.texImage2D(t.TEXTURE_2D,0,r,1,1,0,s,a,n),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),e}(r)),o=r,l=a,o.bindTexture(o.TEXTURE_2D,l),o.texImage2D(o.TEXTURE_2D,0,o.RGBA,o.RGBA,o.UNSIGNED_BYTE,n),o.drawArrays(o.TRIANGLES,0,6),null!=globalThis.VideoFrame&&n instanceof globalThis.VideoFrame){let t=new VideoFrame(e,{alpha:"keep",timestamp:n.timestamp,duration:n.duration??void 0});return n.close(),t}return createImageBitmap(e,{imageOrientation:n instanceof ImageBitmap?"flipY":"none"})}},e3=class t{constructor(t,e,r,s,a){en(this,tC),en(this,tv,new(0,t5.EventTool)),er(this,"on",ea(this,tv).on),en(this,tS,0),en(this,tx,0),en(this,tU,0),en(this,tE,0),en(this,tA,0),en(this,tk,null),er(this,"fixedAspectRatio",!1),er(this,"fixedScaleCenter",!1),this.x=t??0,this.y=e??0,this.w=r??0,this.h=s??0,eo(this,tk,a??null)}get x(){return ea(this,tS)}set x(t){el(this,tC,tT).call(this,"x",t)}get y(){return ea(this,tx)}set y(t){el(this,tC,tT).call(this,"y",t)}get w(){return ea(this,tU)}set w(t){el(this,tC,tT).call(this,"w",t)}get h(){return ea(this,tE)}set h(t){el(this,tC,tT).call(this,"h",t)}get angle(){return ea(this,tA)}set angle(t){el(this,tC,tT).call(this,"angle",t)}get center(){let{x:t,y:e,w:r,h:s}=this;return{x:t+r/2,y:e+s/2}}clone(){let{x:e,y:r,w:s,h:a}=this,n=new t(e,r,s,a,ea(this,tk));return n.angle=this.angle,n.fixedAspectRatio=this.fixedAspectRatio,n.fixedScaleCenter=this.fixedScaleCenter,n}checkHit(t,e){var r,s;let{angle:a,center:n,x:o,y:l,w:h,h:d}=this,u=(null==(r=ea(this,tk))?void 0:r.center)??n,p=(null==(s=ea(this,tk))?void 0:s.angle)??a;null==ea(this,tk)&&(o-=u.x,l-=u.y);let c=t-u.x,f=e-u.y,m=c,_=f;return 0!==p&&(m=c*Math.cos(p)+f*Math.sin(p),_=f*Math.cos(p)-c*Math.sin(p)),!(m<o||m>o+h||_<l||_>l+d)}};tv=new WeakMap,tS=new WeakMap,tx=new WeakMap,tU=new WeakMap,tE=new WeakMap,tA=new WeakMap,tC=new WeakSet,tT=function(t,e){let r=this[t]!==e;switch(t){case"x":eo(this,tS,e);break;case"y":eo(this,tx,e);break;case"w":eo(this,tU,e);break;case"h":eo(this,tE,e);break;case"angle":eo(this,tA,e)}r&&ea(this,tv).emit("propsChange",{[t]:e})},tk=new WeakMap;let e6=e3;class e8{constructor(){er(this,"rect",new e6),en(this,tB,{offset:0,duration:0,playbackRate:1}),en(this,tF,new(0,t5.EventTool)),er(this,"on",ea(this,tF).on),en(this,tI,0),er(this,"opacity",1),er(this,"flip",null),en(this,tz,null),en(this,tP,null),er(this,"ready",Promise.resolve()),this.rect.on("propsChange",t=>{ea(this,tF).emit("propsChange",{rect:t})})}get time(){return ea(this,tB)}set time(t){Object.assign(ea(this,tB),t)}get zIndex(){return ea(this,tI)}set zIndex(t){let e=ea(this,tI)!==t;eo(this,tI,t),e&&ea(this,tF).emit("propsChange",{zIndex:t})}_render(t){let{rect:{center:e,angle:r}}=this;t.setTransform("horizontal"===this.flip?-1:1,0,0,"vertical"===this.flip?-1:1,e.x,e.y),t.rotate((null==this.flip?1:-1)*r),t.globalAlpha=this.opacity}setAnimation(t,e){eo(this,tz,Object.entries(t).map(([t,e])=>{let r={from:0,to:100}[t]??Number(t.slice(0,-1));if(isNaN(r)||r>100||r<0)throw Error("keyFrame must between 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e8{constructor(t){super(),en(this,tL),en(this,tR,null),en(this,tM,!1),eo(this,tL,t),this.ready=t.ready.then(({width:t,height:e,duration:r})=>{this.rect.w=0===this.rect.w?t:this.rect.w,this.rect.h=0===this.rect.h?e:this.rect.h,this.time.duration=0===this.time.duration?r:this.time.duration})}async offscreenRender(t,e){var r;let s=e*this.time.playbackRate;this.animate(s),super._render(t);let{w:a,h:n}=this.rect,{video:o,audio:l,state:h}=await ea(this,tL).tick(s),d=l??[];if(null!=l&&1!==this.time.playbackRate&&(d=l.map(t=>ey(t,this.time.playbackRate))),"done"===h)return{audio:d,done:!0};let u=o??ea(this,tR);return null!=u&&t.drawImage(u,-a/2,-n/2,a,n),null!=o&&(null==(r=ea(this,tR))||r.close(),eo(this,tR,o)),{audio:d,done:!1}}async clone(){let e=new t(await ea(this,tL).clone());return await e.ready,this.copyStateTo(e),e}destroy(){var t;ea(this,tM)||(eo(this,tM,!0),t5.Log.info("OffscreenSprite 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e=0;e<t.length;e++)this.writeInt8(t[e])},h.prototype.writeUint32Array=function(t,e){if(this._realloc(4*t.length),t instanceof Uint32Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)h.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapUint32Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeUint32(t[r],e)},h.prototype.writeUint16Array=function(t,e){if(this._realloc(2*t.length),t instanceof Uint16Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)h.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapUint16Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeUint16(t[r],e)},h.prototype.writeUint8Array=function(t){if(this._realloc(+t.length),t instanceof Uint8Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)h.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapUint8Array(t.length);else for(var e=0;e<t.length;e++)this.writeUint8(t[e])},h.prototype.writeFloat64Array=function(t,e){if(this._realloc(8*t.length),t instanceof Float64Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)h.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapFloat64Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeFloat64(t[r],e)},h.prototype.writeFloat32Array=function(t,e){if(this._realloc(4*t.length),t instanceof Float32Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)h.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapFloat32Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeFloat32(t[r],e)},h.prototype.writeInt32=function(t,e){this._realloc(4),this._dataView.setInt32(this.position,t,null==e?this.endianness:e),this.position+=4},h.prototype.writeInt16=function(t,e){this._realloc(2),this._dataView.setInt16(this.position,t,null==e?this.endianness:e),this.position+=2},h.prototype.writeInt8=function(t){this._realloc(1),this._dataView.setInt8(this.position,t),this.position+=1},h.prototype.writeUint32=function(t,e){this._realloc(4),this._dataView.setUint32(this.position,t,null==e?this.endianness:e),this.position+=4},h.prototype.writeUint16=function(t,e){this._realloc(2),this._dataView.setUint16(this.position,t,null==e?this.endianness:e),this.position+=2},h.prototype.writeUint8=function(t){this._realloc(1),this._dataView.setUint8(this.position,t),this.position+=1},h.prototype.writeFloat32=function(t,e){this._realloc(4),this._dataView.setFloat32(this.position,t,null==e?this.endianness:e),this.position+=4},h.prototype.writeFloat64=function(t,e){this._realloc(8),this._dataView.setFloat64(this.position,t,null==e?this.endianness:e),this.position+=8},h.prototype.writeUCS2String=function(t,e,r){null==r&&(r=t.length);for(var s=0;s<t.length&&s<r;s++)this.writeUint16(t.charCodeAt(s),e);for(;s<r;s++)this.writeUint16(0)},h.prototype.writeString=function(t,e,r){var s=0;if(null==e||"ASCII"==e)if(null!=r){var a=Math.min(t.length,r);for(s=0;s<a;s++)this.writeUint8(t.charCodeAt(s));for(;s<r;s++)this.writeUint8(0)}else for(s=0;s<t.length;s++)this.writeUint8(t.charCodeAt(s));else this.writeUint8Array(new TextEncoder(e).encode(t.substring(0,r)))},h.prototype.writeCString=function(t,e){var r=0;if(null!=e){var s=Math.min(t.length,e);for(r=0;r<s;r++)this.writeUint8(t.charCodeAt(r));for(;r<e;r++)this.writeUint8(0)}else{for(r=0;r<t.length;r++)this.writeUint8(t.charCodeAt(r));this.writeUint8(0)}},h.prototype.writeStruct=function(t,e){for(var r=0;r<t.length;r+=2){var s=t[r+1];this.writeType(s,e[t[r]],e)}},h.prototype.writeType=function(t,e,r){if("function"==typeof t)return t(this,e);if("object"==typeof t&&!(t instanceof Array))return t.set(this,e,r);var s,a=null,n="ASCII",o=this.position;switch("string"==typeof t&&/:/.test(t)&&(t=(s=t.split(":"))[0],a=parseInt(s[1])),"string"==typeof t&&/,/.test(t)&&(t=(s=t.split(","))[0],n=parseInt(s[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,h.BIG_ENDIAN);break;case"int16be":this.writeInt16(e,h.BIG_ENDIAN);break;case"uint32be":this.writeUint32(e,h.BIG_ENDIAN);break;case"int32be":this.writeInt32(e,h.BIG_ENDIAN);break;case"float32be":this.writeFloat32(e,h.BIG_ENDIAN);break;case"float64be":this.writeFloat64(e,h.BIG_ENDIAN);break;case"uint16le":this.writeUint16(e,h.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(e,h.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(e,h.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(e,h.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(e,h.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(e,h.LITTLE_ENDIAN);break;case"cstring":this.writeCString(e,a);break;case"string":this.writeString(e,n,a);break;case"u16string":this.writeUCS2String(e,this.endianness,a);break;case"u16stringle":this.writeUCS2String(e,h.LITTLE_ENDIAN,a);break;case"u16stringbe":this.writeUCS2String(e,h.BIG_ENDIAN,a);break;default:if(3==t.length)for(var l=t[1],d=0;d<e.length;d++)this.writeType(l,e[d]);else this.writeStruct(t,e)}null!=a&&(this.position=o,this._realloc(a),this.position=o+a)},h.prototype.writeUint64=function(t){var e=Math.floor(t/0x100000000);this.writeUint32(e),this.writeUint32(0|t)},h.prototype.writeUint24=function(t){this.writeUint8((0xff0000&t)>>16),this.writeUint8((65280&t)>>8),this.writeUint8(255&t)},h.prototype.adjustUint32=function(t,e){var r=this.position;this.seek(t),this.writeUint32(e),this.seek(r)},h.prototype.mapInt32Array=function(t,e){this._realloc(4*t);var r=new Int32Array(this._buffer,this.byteOffset+this.position,t);return h.arrayToNative(r,null==e?this.endianness:e),this.position+=4*t,r},h.prototype.mapInt16Array=function(t,e){this._realloc(2*t);var r=new Int16Array(this._buffer,this.byteOffset+this.position,t);return h.arrayToNative(r,null==e?this.endianness:e),this.position+=2*t,r},h.prototype.mapInt8Array=function(t){this._realloc(+t);var e=new Int8Array(this._buffer,this.byteOffset+this.position,t);return this.position+=+t,e},h.prototype.mapUint32Array=function(t,e){this._realloc(4*t);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,t);return h.arrayToNative(r,null==e?this.endianness:e),this.position+=4*t,r},h.prototype.mapUint16Array=function(t,e){this._realloc(2*t);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,t);return h.arrayToNative(r,null==e?this.endianness:e),this.position+=2*t,r},h.prototype.mapFloat64Array=function(t,e){this._realloc(8*t);var r=new Float64Array(this._buffer,this.byteOffset+this.position,t);return h.arrayToNative(r,null==e?this.endianness:e),this.position+=8*t,r},h.prototype.mapFloat32Array=function(t,e){this._realloc(4*t);var r=new Float32Array(this._buffer,this.byteOffset+this.position,t);return h.arrayToNative(r,null==e?this.endianness:e),this.position+=4*t,r};var d=function(t){this.buffers=[],this.bufferIndex=-1,t&&(this.insertBuffer(t),this.bufferIndex=0)};d.prototype=new h(new ArrayBuffer,0,h.BIG_ENDIAN),d.prototype.initialized=function(){var t;return!!(this.bufferIndex>-1)||(this.buffers.length>0?0===(t=this.buffers[0]).fileStart?(this.buffer=t,this.bufferIndex=0,o.debug("MultiBufferStream","Stream ready for parsing"),!0):(o.warn("MultiBufferStream","The first buffer should have a fileStart of 0"),this.logBufferLevel(),!1):(o.warn("MultiBufferStream","No buffer to start parsing from"),this.logBufferLevel(),!1))},ArrayBuffer.concat=function(t,e){o.debug("ArrayBuffer","Trying to create a new buffer of size: "+(t.byteLength+e.byteLength));var r=new Uint8Array(t.byteLength+e.byteLength);return r.set(new Uint8Array(t),0),r.set(new Uint8Array(e),t.byteLength),r.buffer},d.prototype.reduceBuffer=function(t,e,r){var s;return(s=new Uint8Array(r)).set(new Uint8Array(t,e,r)),s.buffer.fileStart=t.fileStart+e,s.buffer.usedBytes=0,s.buffer},d.prototype.insertBuffer=function(t){for(var e=!0,r=0;r<this.buffers.length;r++){var s=this.buffers[r];if(t.fileStart<=s.fileStart){if(t.fileStart===s.fileStart)if(t.byteLength>s.byteLength){this.buffers.splice(r,1),r--;continue}else o.warn("MultiBufferStream","Buffer (fileStart: "+t.fileStart+" - Length: "+t.byteLength+") already appended, ignoring");else t.fileStart+t.byteLength<=s.fileStart||(t=this.reduceBuffer(t,0,s.fileStart-t.fileStart)),o.debug("MultiBufferStream","Appending new buffer (fileStart: "+t.fileStart+" - Length: "+t.byteLength+")"),this.buffers.splice(r,0,t),0===r&&(this.buffer=t);e=!1;break}if(t.fileStart<s.fileStart+s.byteLength){var a=s.fileStart+s.byteLength-t.fileStart,n=t.byteLength-a;if(n>0)t=this.reduceBuffer(t,a,n);else{e=!1;break}}}e&&(o.debug("MultiBufferStream","Appending new buffer (fileStart: "+t.fileStart+" - Length: "+t.byteLength+")"),this.buffers.push(t),0===r&&(this.buffer=t))},d.prototype.logBufferLevel=function(t){var e,r,s,a,n,l=[],h="";for(e=0,s=0,a=0;e<this.buffers.length;e++)r=this.buffers[e],0===e?(l.push(n={}),n.start=r.fileStart,n.end=r.fileStart+r.byteLength,h+="["+n.start+"-"):n.end===r.fileStart?n.end=r.fileStart+r.byteLength:((n={}).start=r.fileStart,h+=l[l.length-1].end-1+"], ["+n.start+"-",n.end=r.fileStart+r.byteLength,l.push(n)),s+=r.usedBytes,a+=r.byteLength;l.length>0&&(h+=n.end-1+"]"),(t?o.info:o.debug)("MultiBufferStream",0===this.buffers.length?"No more buffer in memory":""+this.buffers.length+" stored buffer(s) ("+s+"/"+a+" 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&&(o.debug("MultiBufferStream","Removing buffer #"+t),this.buffers.splice(t,1),t--)},d.prototype.mergeNextBuffer=function(){if(!(this.bufferIndex+1<this.buffers.length)||(t=this.buffers[this.bufferIndex+1]).fileStart!==this.buffer.fileStart+this.buffer.byteLength)return!1;var t,e=this.buffer.byteLength,r=this.buffer.usedBytes,s=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=r,this.buffer.fileStart=s,o.debug("ISOFile","Concatenating buffer for box parsing (length: "+e+"->"+this.buffer.byteLength+")"),!0},d.prototype.findPosition=function(t,e,r){var s,a=null,n=-1;for(s=!0===t?0:this.bufferIndex;s<this.buffers.length&&(a=this.buffers[s]).fileStart<=e;)n=s,r&&(a.fileStart+a.byteLength<=e?a.usedBytes=a.byteLength:a.usedBytes=e-a.fileStart,this.logBufferLevel()),s++;return -1===n?-1:(a=this.buffers[n]).fileStart+a.byteLength>=e?(o.debug("MultiBufferStream","Found position in existing buffer #"+n),n):-1},d.prototype.findEndContiguousBuf=function(t){var e,r,s,a=void 0!==t?t:this.bufferIndex;if(r=this.buffers[a],this.buffers.length>a+1)for(e=a+1;e<this.buffers.length;e++)if((s=this.buffers[e]).fileStart===r.fileStart+r.byteLength)r=s;else break;return r.fileStart+r.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,r){var s;return -1!==(s=this.findPosition(e,t,r))?(this.buffer=this.buffers[s],this.bufferIndex=s,this.position=t-this.buffer.fileStart,o.debug("MultiBufferStream","Repositioning parser at buffer position: "+this.position),!0):(o.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},r.MultiBufferStream=d;var u=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,r={};return this.parseOneDescriptor=function(e){var s,a,n,l=0,h=0;for(s=e.readUint8(),l++,n=e.readUint8(),l++;128&n;)h=(127&n)<<7,n=e.readUint8(),l++;return h+=127&n,o.debug("MPEG4DescriptorParser","Found "+(t[s]||"Descriptor "+s)+", size "+h+" at position "+e.getPosition()),(a=t[s]?new r[t[s]](h):new r.Descriptor(h)).parse(e),a},r.Descriptor=function(t,e){this.tag=t,this.size=e,this.descs=[]},r.Descriptor.prototype.parse=function(t){this.data=t.readUint8Array(this.size)},r.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},r.Descriptor.prototype.parseRemainingDescriptors=function(t){for(var r=t.position;t.position<r+this.size;){var s=e.parseOneDescriptor(t);this.descs.push(s)}},r.ES_Descriptor=function(t){r.Descriptor.call(this,3,t)},r.ES_Descriptor.prototype=new r.Descriptor,r.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)},r.ES_Descriptor.prototype.getOTI=function(t){var e=this.findDescriptor(4);return e?e.oti:0},r.ES_Descriptor.prototype.getAudioConfig=function(t){var e=this.findDescriptor(4);if(!e)return null;var r=e.findDescriptor(5);if(!r||!r.data)return null;var s=(248&r.data[0])>>3;return 31===s&&r.data.length>=2&&(s=32+((7&r.data[0])<<3)+((224&r.data[1])>>5)),s},r.DecoderConfigDescriptor=function(t){r.Descriptor.call(this,4,t)},r.DecoderConfigDescriptor.prototype=new r.Descriptor,r.DecoderConfigDescriptor.prototype.parse=function(t){this.oti=t.readUint8(),this.streamType=t.readUint8(),this.upStream=(this.streamType>>1&1)!=0,this.streamType=this.streamType>>>2,this.bufferSize=t.readUint24(),this.maxBitrate=t.readUint32(),this.avgBitrate=t.readUint32(),this.size-=13,this.parseRemainingDescriptors(t)},r.DecoderSpecificInfo=function(t){r.Descriptor.call(this,5,t)},r.DecoderSpecificInfo.prototype=new r.Descriptor,r.SLConfigDescriptor=function(t){r.Descriptor.call(this,6,t)},r.SLConfigDescriptor.prototype=new r.Descriptor,this};r.MPEG4DescriptorParser=u;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,r){this.type=t,this.size=e,this.uuid=r},FullBox:function(t,e,r){p.Box.call(this,t,e,r),this.flags=0,this.version=0},ContainerBox:function(t,e,r){p.Box.call(this,t,e,r),this.boxes=[]},SampleEntry:function(t,e,r,s){p.ContainerBox.call(this,t,e),this.hdr_size=r,this.start=s},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,r=0;r<e;r++)this[t[r]+"s"]=[]}},createContainerBoxCtor:function(t,e,r){p[t+"Box"]=function(e){p.ContainerBox.call(this,t,e),p.addSubBoxArrays.call(this,r)},p[t+"Box"].prototype=new p.ContainerBox,e&&(p[t+"Box"].prototype.parse=e)},createMediaSampleEntryCtor:function(t,e,r){p.sampleEntryCodes[t]=[],p[t+"SampleEntry"]=function(t,e){p.SampleEntry.call(this,t,e),p.addSubBoxArrays.call(this,r)},p[t+"SampleEntry"].prototype=new p.SampleEntry,e&&(p[t+"SampleEntry"].prototype.parse=e)},createSampleEntryCtor:function(t,e,r,s){p.sampleEntryCodes[t].push(e),p[e+"SampleEntry"]=function(r){p[t+"SampleEntry"].call(this,e,r),p.addSubBoxArrays.call(this,s)},p[e+"SampleEntry"].prototype=new p[t+"SampleEntry"],r&&(p[e+"SampleEntry"].prototype.parse=r)},createEncryptedSampleEntryCtor:function(t,e,r){p.createSampleEntryCtor.call(this,t,e,r,["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,r,s){p.UUIDs.push(t),p.UUIDBoxes[t]=function(s){e?p.FullBox.call(this,"uuid",s,t):r?p.ContainerBox.call(this,"uuid",s,t):p.Box.call(this,"uuid",s,t)},p.UUIDBoxes[t].prototype=e?new p.FullBox:r?new p.ContainerBox:new p.Box,s&&(e?p.UUIDBoxes[t].prototype.parse=function(t){this.parseFullHeader(t),s&&s.call(this,t)}:p.UUIDBoxes[t].prototype.parse=s)}};function c(t,e){this.x=t,this.y=e}function f(t,e){this.bad_pixel_row=t,this.bad_pixel_column=e}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 r=e||"entries";return this[r]||(this[r]=[]),this[r].push(t),this},r.BoxParser=p,p.parseUUID=function(t){return p.parseHex16(t)},p.parseHex16=function(t){for(var e="",r=0;r<16;r++){var s=t.readUint8().toString(16);e+=1===s.length?"0"+s:s}return e},p.parseOneBox=function(t,e,r){var s,a,n,l=t.getPosition(),h=0;if(t.getEndPosition()-l<8)return o.debug("BoxParser","Not enough data in stream to parse the type and size of the box"),{code:p.ERR_NOT_ENOUGH_DATA};if(r&&r<8)return o.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(),u=t.readString(4),c=u;if(o.debug("BoxParser","Found box of type '"+u+"' and size "+d+" at position "+l),h=8,"uuid"==u){if(t.getEndPosition()-t.getPosition()<16||r-h<16)return t.seek(l),o.debug("BoxParser","Not enough bytes left in the parent box to parse a UUID box"),{code:p.ERR_NOT_ENOUGH_DATA};n=p.parseUUID(t),h+=16,c=n}if(1==d){if(t.getEndPosition()-t.getPosition()<8||r&&r-h<8)return t.seek(l),o.warn("BoxParser",'Not enough data in stream to parse the extended size of the "'+u+'" box'),{code:p.ERR_NOT_ENOUGH_DATA};d=t.readUint64(),h+=8}else if(0===d){if(r)d=r;else if("mdat"!==u)return o.error("BoxParser","Unlimited box size not supported for type: '"+u+"'"),s=new p.Box(u,d),{code:p.OK,box:s,size:s.size}}return 0!==d&&d<h?(o.error("BoxParser","Box of type "+u+" has an invalid size "+d+" (too small to be a box)"),{code:p.ERR_NOT_ENOUGH_DATA,type:u,size:d,hdr_size:h,start:l}):0!==d&&r&&d>r?(o.error("BoxParser","Box of type '"+u+"' has a size "+d+" greater than its container size "+r),{code:p.ERR_NOT_ENOUGH_DATA,type:u,size:d,hdr_size:h,start:l}):0!==d&&l+d>t.getEndPosition()?(t.seek(l),o.info("BoxParser","Not enough data in stream to parse the entire '"+u+"' box"),{code:p.ERR_NOT_ENOUGH_DATA,type:u,size:d,hdr_size:h,start:l}):e?{code:p.OK,type:u,size:d,hdr_size:h,start:l}:(p[u+"Box"]?s=new p[u+"Box"](d):"uuid"!==u?(o.warn("BoxParser","Unknown box type: '"+u+"'"),(s=new p.Box(u,d)).has_unparsed_data=!0):p.UUIDBoxes[n]?s=new p.UUIDBoxes[n](d):(o.warn("BoxParser","Unknown uuid type: '"+n+"'"),(s=new p.Box(u,d)).uuid=n,s.has_unparsed_data=!0),s.hdr_size=h,s.start=l,s.write===p.Box.prototype.write&&"mdat"!==s.type&&(o.info("BoxParser","'"+c+"' box writing not yet implemented, keeping unparsed data in memory for later write"),s.parseDataAndRewind(t)),s.parse(t),(a=t.getPosition()-(s.start+s.size))<0?(o.warn("BoxParser","Parsing of box '"+c+"' did not read the entire indicated box data size (missing "+-a+" bytes), seeking forward"),t.seek(s.start+s.size)):a>0&&(o.error("BoxParser","Parsing of box '"+c+"' read "+a+" more bytes than the indicated box data size, seeking backwards"),0!==s.size&&t.seek(s.start+s.size)),{code:p.OK,box:s,size:s.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(;t.getPosition()<this.start+this.size;){if((e=p.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==p.OK)return;if(r=e.box,this.boxes.push(r),this.subBoxNames&&-1!=this.subBoxNames.indexOf(r.type))this[this.subBoxNames[this.subBoxNames.indexOf(r.type)]+"s"].push(r);else{var e,r,s="uuid"!==r.type?r.type:r.uuid;this[s]?o.warn("Box of type "+s+" already stored in field of this type"):this[s]=r}}},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.createSampleEntryCtor(p.SAMPLE_ENTRY_TYPE_AUDIO,"fLaC"),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=((1&(1&t.readUint8()))+1)*16;this.layer_size=[];for(var r=0;r<3;r++)16==e?this.layer_size[r]=t.readUint16():this.layer_size[r]=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)return void o.error("av1C marker problem");if(this.version=127&e,1!==this.version)return void o.error("av1C version "+this.version+" not supported");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)return void o.error("av1C reserved_1 parsing problem");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 o.error("av1C reserved_2 parsing problem");var r=this.size-this.hdr_size-4;this.configOBUs=t.readUint8Array(r)}),p.createBoxCtor("avcC",function(t){var e,r;for(e=0,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(),r=this.size-this.hdr_size-6,this.SPS=[];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),r-=2+this.SPS[e].length;for(this.nb_PPS_nalus=t.readUint8(),r--,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),r-=2+this.PPS[e].length;r>0&&(this.ext=t.readUint8Array(r))}),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)==128,this.intra_pred_used=(64&e)==64,this.max_ref_per_pic=(63&e)>>2,t.readUint24()}),p.createBoxCtor("cdef",function(t){var e;for(e=0,this.channel_count=t.readUint16(),this.channel_indexes=[],this.channel_types=[],this.channel_associations=[];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(i=0,this.component_count=t.readUint32(),this.component_types=[],this.component_type_urls=[];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,r;if(e=t.readUint32(),this.chunk_offsets=[],0===this.version)for(r=0;r<e;r++)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?this.ICC_profile=t.readUint8Array(this.size-4):"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){if(e=t.readUint32(),this.sample_counts=[],this.sample_offsets=[],0===this.version)for(r=0;r<e;r++){this.sample_counts.push(t.readUint32());var e,r,s=t.readInt32();s<0&&o.warn("BoxParser","ctts box uses negative values without using version 1"),this.sample_offsets.push(s)}else if(1==this.version)for(r=0;r<e;r++)this.sample_counts.push(t.readUint32()),this.sample_offsets.push(t.readInt32())}),p.createBoxCtor("dac3",function(t){var e=t.readUint8(),r=t.readUint8(),s=t.readUint8();this.fscod=e>>6,this.bsid=e>>1&31,this.bsmod=(1&e)<<2|r>>6&3,this.acmod=r>>3&7,this.lfeon=r>>2&1,this.bit_rate_code=3&r|s>>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 r=0;r<this.num_ind_sub+1;r++){var s={};this.ind_subs.push(s);var a=t.readUint8(),n=t.readUint8(),o=t.readUint8();s.fscod=a>>6,s.bsid=a>>1&31,s.bsmod=(1&a)<<4|n>>4&15,s.acmod=n>>1&7,s.lfeon=1&n,s.num_dep_sub=o>>1&15,s.num_dep_sub>0&&(s.chan_loc=(1&o)<<8|t.readUint8())}}),p.createFullBoxCtor("dfLa",function(t){for(var e=[],r=["STREAMINFO","PADDING","APPLICATION","SEEKTABLE","VORBIS_COMMENT","CUESHEET","PICTURE","RESERVED"];;){var s=t.readUint8(),a=Math.min(127&s,r.length-1);if(a?t.readUint8Array(t.readUint24()):(t.readUint8Array(13),this.samplerate=t.readUint32()>>12,t.readUint8Array(20)),e.push(r[a]),128&s)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){this.entries=[];for(var e,r,s=t.readUint32(),a=0;a<s;a++){if((e=p.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==p.OK)return;r=e.box,this.entries.push(r)}}),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(),r=0;r<e;r++){var s={};this.entries.push(s),1===this.version?(s.segment_duration=t.readUint64(),s.media_time=t.readInt64()):(s.segment_duration=t.readUint32(),s.media_time=t.readInt32()),s.media_rate_integer=t.readInt16(),s.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(i=0,this.group_id=t.readUint32(),this.num_entities_in_group=t.readUint32(),this.entity_ids=[];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.createEntityToGroupCtor("pymd",function(t){this.group_id=t.readUint32(),this.num_entities_in_group=t.readUint32(),this.entity_ids=[];for(var e=0;e<this.num_entities_in_group;e++){var r=t.readUint32();this.entity_ids.push(r)}for(e=0,this.tile_size_x=t.readUint16(),this.tile_size_y=t.readUint16(),this.layer_binning=[],this.tiles_in_layer_column_minus1=[],this.tiles_in_layer_row_minus1=[];e<this.num_entities_in_group;e++)this.layer_binning[e]=t.readUint16(),this.tiles_in_layer_row_minus1[e]=t.readUint16(),this.tiles_in_layer_column_minus1[e]=t.readUint16()}),p.createFullBoxCtor("esds",function(t){var e=t.readUint8Array(this.size-this.hdr_size);if(this.data=e,void 0!==u){var r=new u;this.esd=r.parseOneDescriptor(new h(e.buffer,0,h.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 r=0;e>=4;)this.compatible_brands[r]=t.readString(4),e-=4,r++}),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){this.configurationVersion=t.readUint8(),a=t.readUint8(),this.general_profile_space=a>>6,this.general_tier_flag=(32&a)>>5,this.general_profile_idc=31&a,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(),a=t.readUint8(),this.constantFrameRate=a>>6,this.numTemporalLayers=(13&a)>>3,this.temporalIdNested=(4&a)>>2,this.lengthSizeMinusOne=3&a,this.nalu_arrays=[];var e,r,s,a,n=t.readUint8();for(e=0;e<n;e++){var o=[];this.nalu_arrays.push(o),o.completeness=(128&(a=t.readUint8()))>>7,o.nalu_type=63&a;var l=t.readUint16();for(r=0;r<l;r++){var h={};o.push(h),s=t.readUint16(),h.data=t.readUint8Array(s)}}}),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 r=0;r<this.entry_count;r++){if((e=p.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==p.OK)return;"infe"!==e.box.type&&o.error("BoxParser","Expected 'infe' box, got "+e.box.type),this.item_infos[r]=e.box}}),p.createFullBoxCtor("iloc",function(t){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 e,r=0;if(this.version<2)r=t.readUint16();else if(2===this.version)r=t.readUint32();else throw"version of iloc box not supported";for(var s=0;s<r;s++){var a={};if(this.items.push(a),this.version<2)a.item_ID=t.readUint16();else if(2===this.version)a.item_ID=t.readUint32();else throw"version of iloc box not supported";switch(1===this.version||2===this.version?a.construction_method=15&t.readUint16():a.construction_method=0,a.data_reference_index=t.readUint16(),this.base_offset_size){case 0:a.base_offset=0;break;case 4:a.base_offset=t.readUint32();break;case 8:a.base_offset=t.readUint64();break;default:throw"Error reading base offset size"}var n=t.readUint16();a.extents=[];for(var o=0;o<n;o++){var l={};if(a.extents.push(l),1===this.version||2===this.version)switch(this.index_size){case 0:l.extent_index=0;break;case 4:l.extent_index=t.readUint32();break;case 8:l.extent_index=t.readUint64();break;default:throw"Error reading extent index"}switch(this.offset_size){case 0:l.extent_offset=0;break;case 4:l.extent_offset=t.readUint32();break;case 8:l.extent_offset=t.readUint64();break;default:throw"Error reading extent index"}switch(this.length_size){case 0:l.extent_length=0;break;case 4:l.extent_length=t.readUint32();break;case 8:l.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){this.extension_type=t.readString(4),o.warn("BoxParser","Cannot parse extension type"),t.seek(this.start+this.size);return}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,r;for(e=0,entry_count=t.readUint32(),this.associations=[];e<entry_count;e++){var s={};this.associations.push(s),this.version<1?s.id=t.readUint16():s.id=t.readUint32();var a=t.readUint8();for(r=0,s.props=[];r<a;r++){var n=t.readUint8(),o={};s.props.push(o),o.essential=(128&n)>>7==1,1&this.flags?o.property_index=(127&n)<<8|t.readUint8():o.property_index=127&n}}}),p.createFullBoxCtor("iref",function(t){var e,r;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;(r=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"!==r.type&&(o.warn("BoxParser",r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(t)),r.parse(t),this.references.push(r)}}),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 r=0;r<e;r++){var s={};this.levels[r]=s,s.track_ID=t.readUint32();var a=t.readUint8();switch(s.padding_flag=a>>7,s.assignment_type=127&a,s.assignment_type){case 0:s.grouping_type=t.readString(4);break;case 1:s.grouping_type=t.readString(4),s.grouping_type_parameter=t.readUint32();break;case 2:case 3:break;case 4:s.sub_track_id=t.readUint32();break;default:o.warn("BoxParser","Unknown leva assignement type")}}}),p.createBoxCtor("lhvC",function(t){this.configurationVersion=t.readUint8(),this.min_spatial_segmentation_idc=4095&t.readUint16(),this.parallelismType=3&t.readUint8(),s=t.readUint8(),this.numTemporalLayers=(13&s)>>3,this.temporalIdNested=(4&s)>>2,this.lengthSizeMinusOne=3&s,this.nalu_arrays=[];var e,r,s,a=t.readUint8();for(e=0;e<a;e++){var n=[];this.nalu_arrays.push(n),n.completeness=(128&(s=t.readUint8()))>>7,n.nalu_type=63&s;var o=t.readUint16();for(r=0;r<o;r++){var l={};n.push(l);var h=t.readUint16();l.data=t.readUint8Array(h)}}}),p.createBoxCtor("lsel",function(t){this.layer_id=t.readUint16()}),p.createBoxCtor("maxr",function(t){this.period=t.readUint32(),this.bytes=t.readUint32()}),c.prototype.toString=function(){return"("+this.x+","+this.y+")"},p.createBoxCtor("mdcv",function(t){this.display_primaries=[],this.display_primaries[0]=new c(t.readUint16(),t.readUint16()),this.display_primaries[1]=new c(t.readUint16(),t.readUint16()),this.display_primaries[2]=new c(t.readUint16(),t.readUint16()),this.white_point=new c(t.readUint16(),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&&(o.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("mskC",function(t){this.bits_per_pixel=t.readUint8()}),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 r=0;r<Math.floor((e+1)/2);r++)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 r=0;r<e;r++)this.rate[r]=t.readUint32(),this.initial_delay[r]=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(e=0,this.num_channels=t.readUint8(),this.bits_per_channels=[];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 r=0;r<e;r++)this.kid[r]=p.parseHex16(t)}var s=t.readUint32();s>0&&(this.data=t.readUint8Array(s))}),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 r=0;r<e;r++)0===this.version?this.offset[r]=t.readUint32():this.offset[r]=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 r=0;r<e;r++)this.sample_info_size[r]=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,r=t.readUint16();for(e=0,this.first_output_sample=t.readUint16(),this.sample_offset=[];e<r;e++)this.sample_offset[e]=t.readUint32();var s=this.description_length-4-4*r;for(e=0,this.num_output_samples=[],this.num_total_samples=[];e<s/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 r=t.readUint8(),s=0;s<r;s++){var a={};this.dependency.push(a),a.subSeqDirectionFlag=t.readUint8(),a.layerNumber=t.readUint8(),a.subSequenceIdentifier=t.readUint16()}}),p.createSampleGroupCtor("dtrt",function(t){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),p.createSampleGroupCtor("mvif",function(t){o.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)o.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){o.warn("BoxParser","Unknown Sample Group type: "+this.grouping_type),this.data=t.readUint8Array(this.description_length)},p.createSampleGroupCtor("scif",function(t){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),p.createSampleGroupCtor("scnm",function(t){o.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){o.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){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),p.createSampleGroupCtor("tscl",function(t){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),p.createSampleGroupCtor("vipr",function(t){o.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(),r=0;r<e;r++){var s={};this.entries.push(s),s.sample_count=t.readInt32(),s.group_description_index=t.readInt32()}}),f.prototype.toString=function(){return"[row: "+this.bad_pixel_row+", column: "+this.bad_pixel_column+"]"},p.createFullBoxCtor("sbpm",function(t){for(e=0,this.component_count=t.readUint16(),this.component_index=[];e<this.component_count;e++)this.component_index.push(t.readUint16());var e,r=t.readUint8();for(e=0,this.correction_applied=128==(128&r),this.num_bad_rows=t.readUint32(),this.num_bad_cols=t.readUint32(),this.num_bad_pixels=t.readUint32(),this.bad_rows=[],this.bad_columns=[],this.bad_pixels=[];e<this.num_bad_rows;e++)this.bad_rows.push(t.readUint32());for(e=0;e<this.num_bad_cols;e++)this.bad_columns.push(t.readUint32());for(e=0;e<this.num_bad_pixels;e++){var s=t.readUint32(),a=t.readUint32();this.bad_pixels.push(new f(s,a))}}),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,r=this.size-this.hdr_size;this.is_leading=[],this.sample_depends_on=[],this.sample_is_depended_on=[],this.sample_has_redundancy=[];for(var s=0;s<r;s++)e=t.readUint8(),this.is_leading[s]=e>>6,this.sample_depends_on[s]=e>>4&3,this.sample_is_depended_on[s]=e>>2&3,this.sample_has_redundancy[s]=3&e}),p.createFullBoxCtor("senc"),p.createFullBoxCtor("sgpd",function(t){this.grouping_type=t.readString(4),o.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,r=t.readUint32(),s=0;s<r;s++)e=p[this.grouping_type+"SampleGroupEntry"]?new p[this.grouping_type+"SampleGroupEntry"](this.grouping_type):new p.SampleGroupEntry(this.grouping_type),this.entries.push(e),1===this.version&&0===this.default_length?e.description_length=t.readUint32():e.description_length=this.default_length,e.write===p.SampleGroupEntry.prototype.write&&(o.info("BoxParser","SampleGroup for type "+this.grouping_type+" writing not yet implemented, keeping unparsed data in memory for later write"),e.data=t.readUint8Array(e.description_length),t.position-=e.description_length),e.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(),r=0;r<e;r++){var s={};this.references.push(s);var a=t.readUint32();s.reference_type=a>>31&1,s.referenced_size=0x7fffffff&a,s.subsegment_duration=t.readUint32(),s.starts_with_SAP=(a=t.readUint32())>>31&1,s.SAP_type=a>>28&7,s.SAP_delta_time=0xfffffff&a}}),p.SingleItemTypeReferenceBox=function(t,e,r,s){p.Box.call(this,t,e),this.hdr_size=r,this.start=s},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 r=0;r<e;r++)this.references[r]={},this.references[r].to_item_ID=t.readUint16()},p.SingleItemTypeReferenceBoxLarge=function(t,e,r,s){p.Box.call(this,t,e),this.hdr_size=r,this.start=s},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 r=0;r<e;r++)this.references[r]={},this.references[r].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(),r=0;r<e;r++){var s={};this.subsegments.push(s),s.ranges=[];for(var a=t.readUint32(),n=0;n<a;n++){var o={};s.ranges.push(o),o.level=t.readUint8(),o.range_size=t.readUint24()}}}),p.createFullBoxCtor("stco",function(t){var e;if(e=t.readUint32(),this.chunk_offsets=[],0===this.version)for(var r=0;r<e;r++)this.chunk_offsets.push(t.readUint32())}),p.createFullBoxCtor("stdp",function(t){var e=(this.size-this.hdr_size)/2;this.priority=[];for(var r=0;r<e;r++)this.priority[r]=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 r=0;r<e;r++)this.attribute_list[r]=t.readUint32()}),p.createFullBoxCtor("stsc",function(t){var e,r;if(e=t.readUint32(),this.first_chunk=[],this.samples_per_chunk=[],this.sample_description_index=[],0===this.version)for(r=0;r<e;r++)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,r,s,a;for(e=1,this.entries=[],s=t.readUint32();e<=s;e++){if((r=p.parseOneBox(t,!0,this.size-(t.getPosition()-this.start))).code!==p.OK)return;p[r.type+"SampleEntry"]?((a=new p[r.type+"SampleEntry"](r.size)).hdr_size=r.hdr_size,a.start=r.start):(o.warn("BoxParser","Unknown sample entry type: "+r.type),a=new p.SampleEntry(r.type,r.size,r.hdr_size,r.start)),a.write===p.SampleEntry.prototype.write&&(o.info("BoxParser","SampleEntry "+a.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),a.parseDataAndRewind(t)),a.parse(t),this.entries.push(a)}}),p.createFullBoxCtor("stsg",function(t){this.grouping_type=t.readUint32();var e=t.readUint16();this.group_description_index=[];for(var r=0;r<e;r++)this.group_description_index[r]=t.readUint32()}),p.createFullBoxCtor("stsh",function(t){var e,r;if(e=t.readUint32(),this.shadowed_sample_numbers=[],this.sync_sample_numbers=[],0===this.version)for(r=0;r<e;r++)this.shadowed_sample_numbers.push(t.readUint32()),this.sync_sample_numbers.push(t.readUint32())}),p.createFullBoxCtor("stss",function(t){var e,r;if(r=t.readUint32(),0===this.version)for(e=0,this.sample_numbers=[];e<r;e++)this.sample_numbers.push(t.readUint32())}),p.createFullBoxCtor("stsz",function(t){var e;if(this.sample_sizes=[],0===this.version)for(e=0,this.sample_size=t.readUint32(),this.sample_count=t.readUint32();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,r,s;if(e=t.readUint32(),this.sample_counts=[],this.sample_deltas=[],0===this.version)for(r=0;r<e;r++)this.sample_counts.push(t.readUint32()),(s=t.readInt32())<0&&(o.warn("BoxParser","File uses negative stts sample delta, using value 1 instead, sync may be lost!"),s=1),this.sample_deltas.push(s)}),p.createFullBoxCtor("stvi",function(t){var e,r,s=t.readUint32();this.single_view_allowed=3&s,this.stereo_scheme=t.readUint32();var a=t.readUint32();for(this.stereo_indication_type=t.readString(a),this.boxes=[];t.getPosition()<this.start+this.size;){if((e=p.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==p.OK)return;r=e.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){if(this.sample_sizes=[],0===this.version)if(this.reserved=t.readUint24(),this.field_size=t.readUint8(),r=t.readUint32(),4===this.field_size)for(e=0;e<r;e+=2){var e,r,s=t.readUint8();this.sample_sizes[e]=s>>4&15,this.sample_sizes[e+1]=15&s}else if(8===this.field_size)for(e=0;e<r;e++)this.sample_sizes[e]=t.readUint8();else if(16===this.field_size)for(e=0;e<r;e++)this.sample_sizes[e]=t.readUint16();else o.error("BoxParser","Error in length field in stz2 box")}),p.createFullBoxCtor("subs",function(t){for(e=0,s=t.readUint32(),this.entries=[];e<s;e++){var e,r,s,a,n={};if(this.entries[e]=n,n.sample_delta=t.readUint32(),n.subsamples=[],(a=t.readUint16())>0)for(r=0;r<a;r++){var o={};n.subsamples.push(o),1==this.version?o.size=t.readUint32():o.size=t.readUint16(),o.priority=t.readUint8(),o.discardable=t.readUint8(),o.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 r=t.readUint32(),s=0;s<r;s++)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,r,s){p.Box.call(this,t,e),this.hdr_size=r,this.start=s},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,r;t.getPosition()<this.start+this.size;){if((e=p.parseOneBox(t,!0,this.size-(t.getPosition()-this.start))).code!==p.OK)return;(r=new p.TrackReferenceTypeBox(e.type,e.size,e.hdr_size,e.start)).write===p.Box.prototype.write&&"mdat"!==r.type&&(o.info("BoxParser","TrackReference "+r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(t)),r.parse(t),this.boxes.push(r)}},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))).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 r=0;r<this.sample_count;r++)this.flags&p.TRUN_FLAGS_DURATION&&(this.sample_duration[r]=t.readUint32()),this.flags&p.TRUN_FLAGS_SIZE&&(this.sample_size[r]=t.readUint32()),this.flags&p.TRUN_FLAGS_FLAGS&&(this.sample_flags[r]=t.readUint32()),this.flags&p.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?this.sample_composition_time_offset[r]=t.readUint32():this.sample_composition_time_offset[r]=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 r=0;r<e;r++)this.attribute_list[r]=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 r=0;r<e;r++)this.compatible_brands[r]=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;if(this.profile=t.readUint32(),1==this.version);else if(0==this.version){for(e=0,this.component_count=t.readUint32(),this.component_index=[],this.component_bit_depth_minus_one=[],this.component_format=[],this.component_align_size=[];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 r=t.readUint8();this.component_little_endian=r>>7&1,this.block_pad_lsb=r>>6&1,this.block_little_endian=r>>5&1,this.block_reversed=r>>4&1,this.pad_unknown=r>>3&1,this.pixel_size=t.readUint32(),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,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;").replace(/'/g,"&#039;")}),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 r={},s=0,a=0;1===this.version?(s=t.readUint64(),a=t.readUint64()):(s=t.readUint32(),a=t.readUint32()),r.absolute_time=s,r.absolute_duration=a,this.entries.push(r)}}),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.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,r,s={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(s.stream_read_1_bytes(t),s.extract_bits(5),this.lengthSizeMinusOne=s.extract_bits(2),this.ptl_present_flag=s.extract_bits(1),this.ptl_present_flag){if(s.stream_read_2_bytes(t),this.ols_idx=s.extract_bits(9),this.num_sublayers=s.extract_bits(3),this.constant_frame_rate=s.extract_bits(2),this.chroma_format_idc=s.extract_bits(2),s.stream_read_1_bytes(t),this.bit_depth_minus8=s.extract_bits(3),s.extract_bits(5),s.stream_read_2_bytes(t),s.extract_bits(2),this.num_bytes_constraint_info=s.extract_bits(6),this.general_profile_idc=s.extract_bits(7),this.general_tier_flag=s.extract_bits(1),this.general_level_idc=t.readUint8(),s.stream_read_1_bytes(t),this.ptl_frame_only_constraint_flag=s.extract_bits(1),this.ptl_multilayer_enabled_flag=s.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 a=s.extract_bits(6);s.stream_read_1_bytes(t);var n=s.extract_bits(2);this.general_constraint_info[e]=a<<2|n}this.general_constraint_info[this.num_bytes_constraint_info-1]=s.extract_bits(6)}else s.extract_bits(6);if(this.num_sublayers>1){for(s.stream_read_1_bytes(t),this.ptl_sublayer_present_mask=0,r=this.num_sublayers-2;r>=0;--r){var o=s.extract_bits(1);this.ptl_sublayer_present_mask|=o<<r}for(r=this.num_sublayers;r<=8&&this.num_sublayers>1;++r)s.extract_bits(1);for(this.sublayer_level_idc=[],r=this.num_sublayers-2;r>=0;--r)this.ptl_sublayer_present_mask&1<<r&&(this.sublayer_level_idc[r]=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 l=t.readUint8();for(e=0;e<l;e++){var h=[];this.nalu_arrays.push(h),s.stream_read_1_bytes(t),h.completeness=s.extract_bits(1),s.extract_bits(2),h.nalu_type=s.extract_bits(5);var d=1;for(13!=h.nalu_type&&12!=h.nalu_type&&(d=t.readUint16()),r=0;r<d;r++){var u=t.readUint16();h.push({data:t.readUint8Array(u),length:u})}}}),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 r=Number(t).toString(16);for(e=null==e?e=2:e;r.length<e;)r="0"+r;return r},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 r=this.hvcC.general_profile_compatibility,s=0;for(t=0;t<32&&(s|=1&r,31!=t);t++)s<<=1,r>>=1;e+=p.decimalToHex(s,0),e+=".",0===this.hvcC.general_tier_flag?e+="L":e+="H",e+=this.hvcC.general_level_idc;var a=!1,n="";for(t=5;t>=0;t--)(this.hvcC.general_constraint_indicator[t]||a)&&(n="."+p.decimalToHex(this.hvcC.general_constraint_indicator[t],0)+n,a=!0);e+=n}return e},p.vvc1SampleEntry.prototype.getCodec=p.vvi1SampleEntry.prototype.getCodec=function(){var t=p.SampleEntry.prototype.getCodec.call(this);if(this.vvcC){t+="."+this.vvcC.general_profile_idc,this.vvcC.general_tier_flag?t+=".H":t+=".L",t+=this.vvcC.general_level_idc;var e="";if(this.vvcC.general_constraint_info){var r,s,a,n=[];for(s=0,r=this.vvcC.ptl_frame_only_constraint<<7|this.vvcC.ptl_multilayer_enabled<<6;s<this.vvcC.general_constraint_info.length;++s)r|=this.vvcC.general_constraint_info[s]>>2&63,n.push(r),r&&(a=s),r=this.vvcC.general_constraint_info[s]>>2&3;if(void 0===a)e=".CA";else{e=".C";var o="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",l=0,h=0;for(s=0;s<=a;++s)for(l=l<<8|n[s],h+=8;h>=5;)e+=o[l>>h-5&31],h-=5,l&=(1<<h)-1;h&&(l<<=5-h,e+=o[31&l])}}t+=e}return t},p.mp4aSampleEntry.prototype.getCodec=function(){var t=p.SampleEntry.prototype.getCodec.call(this);if(!this.esds||!this.esds.esd)return t;var e=this.esds.esd.getOTI(),r=this.esds.esd.getAudioConfig();return t+"."+p.decimalToHex(e)+(r?"."+r:"")},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 r=this.vpcC.bitDepth;return 8==r&&(r="08"),t+".0"+this.vpcC.profile+"."+e+"."+r},p.av01SampleEntry.prototype.getCodec=function(){var t,e=p.SampleEntry.prototype.getCodec.call(this),r=this.av1C.seq_level_idx_0;return r<10&&(r="0"+r),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+"."+r+(this.av1C.seq_tier_0?"H":"M")+"."+t},p.Box.prototype.writeHeader=function(t,e){this.size+=8,this.size>0x100000000&&(this.size+=8),"uuid"===this.type&&(this.size+=16),o.debug("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+t.getPosition()+(e||"")),this.size>0x100000000?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>0x100000000&&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);o.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(e=0,this.size=7;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;o.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 r=this.entries[e];t.writeUint32(r.segment_duration),t.writeInt32(r.media_time),t.writeInt16(r.media_rate_integer),t.writeInt16(r.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,r;for(e=0,this.size=23;e<this.nalu_arrays.length;e++)for(this.size+=3,r=0;r<this.nalu_arrays[e].length;r++)this.size+=2+this.nalu_arrays[e][r].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+0xf000000),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),r=0;r<this.nalu_arrays[e].length;r++)t.writeUint16(this.nalu_arrays[e][r].data.length),t.writeUint8Array(this.nalu_arrays[e][r].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;o.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,o.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 r=this.entries[e];t.writeInt32(r.sample_count),t.writeInt32(r.group_description_index)}},p.sgpdBox.prototype.write=function(t){var e,r;for(e=0,this.flags=0,this.size=12;e<this.entries.length;e++)r=this.entries[e],1===this.version&&(0===this.default_length&&(this.size+=4),this.size+=r.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++)r=this.entries[e],1===this.version&&0===this.default_length&&t.writeUint32(r.description_length),r.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 r=this.references[e];t.writeUint32(r.reference_type<<31|r.referenced_size),t.writeUint32(r.subsegment_duration),t.writeUint32(r.starts_with_SAP<<31|r.SAP_type<<28|r.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;o.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,r=!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]){r=!1;break}else e++;else r=!1;this.size=8,r||(this.size+=4*this.sample_sizes.length),this.writeHeader(t),r?t.writeUint32(this.sample_sizes[0]):t.writeUint32(0),t.writeUint32(this.sample_sizes.length),r||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){this.version=+(this.baseMediaDecodeTime>0xffffffff),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,r,s;for(e=0,s=0;e<this.sample_counts.length;e++)for(r=0;r<this.sample_counts[e];r++)t[s].pts=t[s].dts+this.sample_offsets[e],s++},p.sttsBox.prototype.unpack=function(t){var e,r,s;for(e=0,s=0;e<this.sample_counts.length;e++)for(r=0;r<this.sample_counts[e];r++)0===s?t[s].dts=0:t[s].dts=t[s-1].dts+this.sample_deltas[e],s++},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,r,s,a,n;for(e=0,a=0,n=0;e<this.first_chunk.length;e++)for(r=0;r<(e+1<this.first_chunk.length?this.first_chunk[e+1]:1/0);r++)for(n++,s=0;s<this.samples_per_chunk[e];s++){if(!t[a])return;t[a].description_index=this.sample_description_index[e],t[a].chunk_index=n,a++}},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){var r;if(t&&!e)return!1;for(r in t)if(p.DIFF_BOXES_PROP_NAMES.indexOf(r)>-1)continue;else if(t[r]instanceof p.Box||e[r]instanceof p.Box)continue;else if(void 0===t[r]||void 0===e[r])continue;else if("function"==typeof t[r]||"function"==typeof e[r])continue;else if(t.subBoxNames&&t.subBoxNames.indexOf(r.slice(0,4))>-1||e.subBoxNames&&e.subBoxNames.indexOf(r.slice(0,4))>-1)continue;else if("data"===r||"start"===r||"size"===r||"creation_time"===r||"modification_time"===r)continue;else if(p.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(r)>-1)continue;else if(t[r]!==e[r])return!1;return!0},p.boxEqual=function(t,e){if(!p.boxEqualFields(t,e))return!1;for(var r=0;r<p.DIFF_BOXES_PROP_NAMES.length;r++){var s=p.DIFF_BOXES_PROP_NAMES[r];if(t[s]&&e[s]&&!p.boxEqual(t[s],e[s]))return!1}return!0};var m=function(){};m.prototype.parseSample=function(t){var e,r,s=new l(t.buffer);for(e=[];!s.isEos();)(r=p.parseOneBox(s,!1)).code===p.OK&&"vttc"===r.box.type&&e.push(r.box);return e},m.prototype.getText=function(t,e,r){function s(t,e,r){return r=r||"0",(t+="").length>=e?t:Array(e-t.length+1).join(r)+t}function a(t){var e=Math.floor(t/3600),r=Math.floor((t-3600*e)/60),a=Math.floor(t-3600*e-60*r),n=Math.floor((t-3600*e-60*r-a)*1e3);return""+s(e,2)+":"+s(r,2)+":"+s(a,2)+"."+s(n,3)}for(var n=this.parseSample(r),o="",l=0;l<n.length;l++){var h=n[l];o+=a(t)+" --\x3e "+a(e)+"\r\n",o+=h.payl.text}return o};var _=function(){};_.prototype.parseSample=function(t){var e,r={};r.resources=[];var s=new l(t.data.buffer);if(t.subsamples&&0!==t.subsamples.length){if(r.documentString=s.readString(t.subsamples[0].size),t.subsamples.length>1)for(e=1;e<t.subsamples.length;e++)r.resources[e]=s.readUint8Array(t.subsamples[e].size)}else r.documentString=s.readString(t.data.length);return"undefined"!=typeof DOMParser&&(r.document=new DOMParser().parseFromString(r.documentString,"application/xml")),r};var g=function(){};g.prototype.parseSample=function(t){return new l(t.data.buffer).readString(t.data.length)},g.prototype.parseConfig=function(t){var e=new l(t.buffer);return e.readUint32(),e.readCString()},r.XMLSubtitlein4Parser=_,r.Textin4Parser=g;var y=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};y.prototype.setSegmentOptions=function(t,e,r){var s=this.getTrackById(t);if(s){var a={};this.fragmentedTracks.push(a),a.id=t,a.user=e,a.trak=s,s.nextSample=0,a.segmentStream=null,a.nb_samples=1e3,a.rapAlignement=!0,r&&(r.nbSamples&&(a.nb_samples=r.nbSamples),r.rapAlignement&&(a.rapAlignement=r.rapAlignement))}},y.prototype.unsetSegmentOptions=function(t){for(var e=-1,r=0;r<this.fragmentedTracks.length;r++)this.fragmentedTracks[r].id==t&&(e=r);e>-1&&this.fragmentedTracks.splice(e,1)},y.prototype.setExtractionOptions=function(t,e,r){var s=this.getTrackById(t);if(s){var a={};this.extractedTracks.push(a),a.id=t,a.user=e,a.trak=s,s.nextSample=0,a.nb_samples=1e3,a.samples=[],r&&r.nbSamples&&(a.nb_samples=r.nbSamples)}},y.prototype.unsetExtractionOptions=function(t){for(var e=-1,r=0;r<this.extractedTracks.length;r++)this.extractedTracks[r].id==t&&(e=r);e>-1&&this.extractedTracks.splice(e,1)},y.prototype.parse=function(){var t,e,r;if(!this.restoreParsePosition||this.restoreParsePosition())for(;;)if(this.hasIncompleteMdat&&this.hasIncompleteMdat())if(this.processIncompleteMdat())continue;else return;else{if(this.saveParsePosition&&this.saveParsePosition(),(t=p.parseOneBox(this.stream,!1)).code===p.ERR_NOT_ENOUGH_DATA)if(!this.processIncompleteBox)return;else if(this.processIncompleteBox(t))continue;else return;switch(r="uuid"!==(e=t.box).type?e.type:e.uuid,this.boxes.push(e),r){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[r]&&o.warn("ISOFile","Duplicate Box of type: "+r+", overriding previous occurrence"),this[r]=e}this.updateUsedBytes&&this.updateUsedBytes(e,t)}},y.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?(o.warn("ISOFile","Ignoring empty buffer (fileStart: "+t.fileStart+")"),this.stream.logBufferLevel(),!1):(o.info("ISOFile","Processing buffer (fileStart: "+t.fileStart+")"),t.usedBytes=0,this.stream.insertBuffer(t),this.stream.logBufferLevel(),!!this.stream.initialized()||(o.warn("ISOFile","Not ready to start parsing"),!1))},y.prototype.appendBuffer=function(t,e){var r;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?(r=this.nextSeekPosition,this.nextSeekPosition=void 0):r=this.nextParsePosition,this.stream.getEndFilePositionAfter&&(r=this.stream.getEndFilePositionAfter(r))):r=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&&(o.info("ISOFile","Done processing buffer (fileStart: "+t.fileStart+") - next buffer to fetch should have a fileStart position of "+r),this.stream.logBufferLevel(),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0),o.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),r},y.prototype.getInfo=function(){var t,e,r,s,a,n,o={},l=new Date("1904-01-01T00:00:00Z").getTime();if(this.moov)for(o.hasMoov=!0,o.duration=this.moov.mvhd.duration,o.timescale=this.moov.mvhd.timescale,o.isFragmented=null!=this.moov.mvex,o.isFragmented&&this.moov.mvex.mehd&&(o.fragment_duration=this.moov.mvex.mehd.fragment_duration),o.isProgressive=this.isProgressive,o.hasIOD=null!=this.moov.iods,o.brands=[],o.brands.push(this.ftyp.major_brand),o.brands=o.brands.concat(this.ftyp.compatible_brands),o.created=new Date(l+1e3*this.moov.mvhd.creation_time),o.modified=new Date(l+1e3*this.moov.mvhd.modification_time),o.tracks=[],o.audioTracks=[],o.videoTracks=[],o.subtitleTracks=[],o.metadataTracks=[],o.hintTracks=[],o.otherTracks=[],t=0;t<this.moov.traks.length;t++){if(n=(r=this.moov.traks[t]).mdia.minf.stbl.stsd.entries[0],s={},o.tracks.push(s),s.id=r.tkhd.track_id,s.name=r.mdia.hdlr.name,s.references=[],r.tref)for(e=0;e<r.tref.boxes.length;e++)a={},s.references.push(a),a.type=r.tref.boxes[e].type,a.track_ids=r.tref.boxes[e].track_ids;r.edts&&(s.edits=r.edts.elst.entries),s.created=new Date(l+1e3*r.tkhd.creation_time),s.modified=new Date(l+1e3*r.tkhd.modification_time),s.movie_duration=r.tkhd.duration,s.movie_timescale=o.timescale,s.layer=r.tkhd.layer,s.alternate_group=r.tkhd.alternate_group,s.volume=r.tkhd.volume,s.matrix=r.tkhd.matrix,s.track_width=r.tkhd.width/65536,s.track_height=r.tkhd.height/65536,s.timescale=r.mdia.mdhd.timescale,s.cts_shift=r.mdia.minf.stbl.cslg,s.duration=r.mdia.mdhd.duration,s.samples_duration=r.samples_duration,s.codec=n.getCodec(),s.kind=r.udta&&r.udta.kinds.length?r.udta.kinds[0]:{schemeURI:"",value:""},s.language=r.mdia.elng?r.mdia.elng.extended_language:r.mdia.mdhd.languageString,s.nb_samples=r.samples.length,s.size=r.samples_size,s.bitrate=8*s.size*s.timescale/s.samples_duration,n.isAudio()?(s.type="audio",o.audioTracks.push(s),s.audio={},s.audio.sample_rate=n.getSampleRate(),s.audio.channel_count=n.getChannelCount(),s.audio.sample_size=n.getSampleSize()):n.isVideo()?(s.type="video",o.videoTracks.push(s),s.video={},s.video.width=n.getWidth(),s.video.height=n.getHeight()):n.isSubtitle()?(s.type="subtitles",o.subtitleTracks.push(s)):n.isHint()?(s.type="metadata",o.hintTracks.push(s)):n.isMetadata()?(s.type="metadata",o.metadataTracks.push(s)):(s.type="metadata",o.otherTracks.push(s))}else o.hasMoov=!1;if(o.mime="",o.hasMoov&&o.tracks){for(o.videoTracks&&o.videoTracks.length>0?o.mime+='video/mp4; codecs="':o.audioTracks&&o.audioTracks.length>0?o.mime+='audio/mp4; codecs="':o.mime+='application/mp4; codecs="',t=0;t<o.tracks.length;t++)0!==t&&(o.mime+=","),o.mime+=o.tracks[t].codec;o.mime+='"; profiles="',o.mime+=this.ftyp.compatible_brands.join(),o.mime+='"'}return o},y.prototype.setNextSeekPositionFromSample=function(t){t&&(this.nextSeekPosition?this.nextSeekPosition=Math.min(t.offset+t.alreadyRead,this.nextSeekPosition):this.nextSeekPosition=t.offset+t.alreadyRead)},y.prototype.processSamples=function(t){if(this.sampleProcessingStarted){if(this.isFragmentationInitialized&&null!==this.onSegment)for(e=0;e<this.fragmentedTracks.length;e++){var e,r,s=this.fragmentedTracks[e];for(r=s.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){o.debug("ISOFile","Creating media fragment on track #"+s.id+" for sample "+r.nextSample);var a=this.createFragment(s.id,r.nextSample,s.segmentStream);if(a)s.segmentStream=a,r.nextSample++;else break;if((r.nextSample%s.nb_samples==0||t||r.nextSample>=r.samples.length)&&(o.info("ISOFile","Sending fragmented data on track #"+s.id+" for samples ["+Math.max(0,r.nextSample-s.nb_samples)+","+(r.nextSample-1)+"]"),o.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(s.id,s.user,s.segmentStream.buffer,r.nextSample,t||r.nextSample>=r.samples.length),s.segmentStream=null,s!==this.fragmentedTracks[e]))break}}if(null!==this.onSamples)for(e=0;e<this.extractedTracks.length;e++){var n=this.extractedTracks[e];for(r=n.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){o.debug("ISOFile","Exporting on track #"+n.id+" sample #"+r.nextSample);var l=this.getSample(r,r.nextSample);if(l)r.nextSample++,n.samples.push(l);else{this.setNextSeekPositionFromSample(r.samples[r.nextSample]);break}if((r.nextSample%n.nb_samples==0||r.nextSample>=r.samples.length)&&(o.debug("ISOFile","Sending samples on track #"+n.id+" for sample "+r.nextSample),this.onSamples&&this.onSamples(n.id,n.user,n.samples),n.samples=[],n!==this.extractedTracks[e]))break}}}},y.prototype.getBox=function(t){var e=this.getBoxes(t,!0);return e.length?e[0]:null},y.prototype.getBoxes=function(t,e){var r=[];return y._sweep.call(this,t,r,e),r},y._sweep=function(t,e,r){for(var s in this.type&&this.type==t&&e.push(this),this.boxes){if(e.length&&r)return;y._sweep.call(this.boxes[s],t,e,r)}},y.prototype.getTrackSamplesInfo=function(t){var e=this.getTrackById(t);return e?e.samples:void 0},y.prototype.getTrackSample=function(t,e){var r=this.getTrackById(t);return this.getSample(r,e)},y.prototype.releaseUsedSamples=function(t,e){var r=0,s=this.getTrackById(t);s.lastValidSample||(s.lastValidSample=0);for(var a=s.lastValidSample;a<e;a++)r+=this.releaseSample(s,a);o.info("ISOFile","Track #"+t+" released samples up to "+e+" (released size: "+r+", remaining: "+this.samplesDataSize+")"),s.lastValidSample=e},y.prototype.start=function(){this.sampleProcessingStarted=!0,this.processSamples(!1)},y.prototype.stop=function(){this.sampleProcessingStarted=!1},y.prototype.flush=function(){o.info("ISOFile","Flushing remaining samples"),this.updateSampleLists(),this.processSamples(!0),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0)},y.prototype.seekTrack=function(t,e,r){var s,a,n,l=1/0,h=0,d=0;if(0===r.samples.length)return o.info("ISOFile","No sample in track, cannot seek! Using time "+o.getDurationString(0,1)+" and offset: 0"),{offset:0,time:0};for(s=0;s<r.samples.length;s++){if(a=r.samples[s],0===s)d=0,n=a.timescale;else if(a.cts>t*a.timescale){d=s-1;break}e&&a.is_sync&&(h=s)}for(e&&(d=h),t=r.samples[d].cts,r.nextSample=d;r.samples[d].alreadyRead===r.samples[d].size&&r.samples[d+1];)d++;return l=r.samples[d].offset+r.samples[d].alreadyRead,o.info("ISOFile","Seeking to "+(e?"RAP":"")+" sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+o.getDurationString(t,n)+" and offset: "+l),{offset:l,time:t/n}},y.prototype.getTrackDuration=function(t){var e;return t.samples?((e=t.samples[t.samples.length-1]).cts+e.duration)/e.timescale:1/0},y.prototype.seek=function(t,e){var r,s,a,n=this.moov,l={offset:1/0,time:1/0};if(this.moov){for(a=0;a<n.traks.length;a++)r=n.traks[a],!(t>this.getTrackDuration(r))&&((s=this.seekTrack(t,e,r)).offset<l.offset&&(l.offset=s.offset),s.time<l.time&&(l.time=s.time));return o.info("ISOFile","Seeking at time "+o.getDurationString(l.time,1)+" needs a buffer with a fileStart position of "+l.offset),l.offset===1/0?l={offset:this.nextParsePosition,time:0}:l.offset=this.stream.getEndFilePositionAfter(l.offset),o.info("ISOFile","Adjusted seek position (after checking data already in buffer): "+l.offset),l}throw"Cannot seek: moov not received!"},y.prototype.equal=function(t){for(var e=0;e<this.boxes.length&&e<t.boxes.length;){var r=this.boxes[e],s=t.boxes[e];if(!p.boxEqual(r,s))return!1;e++}return!0},r.ISOFile=y,y.prototype.lastBoxStartPosition=0,y.prototype.parsingMdat=null,y.prototype.nextParsePosition=0,y.prototype.discardMdatData=!1,y.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)},y.prototype.hasIncompleteMdat=function(){return null!==this.parsingMdat},y.prototype.processIncompleteMdat=function(){var t;return(t=this.parsingMdat,this.stream.seek(t.start+t.size,!1,this.discardMdatData))?(o.debug("ISOFile","Found 'mdat' end in buffered data"),this.parsingMdat=null,!0):(this.nextParsePosition=this.stream.findEndContiguousBuf(),!1)},y.prototype.restoreParsePosition=function(){return this.stream.seek(this.lastBoxStartPosition,!0,this.discardMdatData)},y.prototype.saveParsePosition=function(){this.lastBoxStartPosition=this.stream.getPosition()},y.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))},y.prototype.add=p.Box.prototype.add,y.prototype.addBox=p.Box.prototype.addBox,y.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 r=this.add("moov");return r.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",256*!e.width).set("matrix",[65536,0,0,0,65536,0,0,0,0x40000000]).set("next_track_id",1),r.add("mvex"),this},y.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 r=this.moov.add("trak");this.moov.mvhd.next_track_id=e.id+1,r.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",[65536,0,0,0,65536,0,0,0,0x40000000]).set("width",e.width<<16).set("height",e.height<<16);var s=r.add("mdia");s.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"),s.add("hdlr").set("handler",e.hdlr||"vide").set("name",e.name||"Track created with MP4Box.js"),s.add("elng").set("extended_language",e.language||"fr-FR");var a=s.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],u=0;u<d.length;u++)if(d.indexOf(e.type)>-1){o=h;break}switch(o){case"Visual":if(a.add("vmhd").set("graphicsmode",0).set("opcolor",[0,0,0]),n.set("width",e.width).set("height",e.height).set("horizresolution",4718592).set("vertresolution",4718592).set("frame_count",1).set("compressorname",e.type+" Compressor").set("depth",24),e.avcDecoderConfigRecord){var c=new p.avcCBox;c.parse(new l(e.avcDecoderConfigRecord)),n.addBox(c)}else if(e.hevcDecoderConfigRecord){var f=new p.hvcCBox;f.parse(new l(e.hevcDecoderConfigRecord)),n.addBox(f)}break;case"Audio":a.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":a.add("hmhd");break;case"Subtitle":a.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:a.add("nmhd")}e.description&&n.addBox(e.description),e.description_boxes&&e.description_boxes.forEach(function(t){n.addBox(t)}),a.add("dinf").add("dref").addEntry(new p["url Box"]().set("flags",1));var m=a.add("stbl");return m.add("stsd").addEntry(n),m.add("stts").set("sample_counts",[]).set("sample_deltas",[]),m.add("stsc").set("first_chunk",[]).set("samples_per_chunk",[]).set("sample_description_index",[]),m.add("stco").set("chunk_offsets",[]),m.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(r),e.id}},p.Box.prototype.computeSize=function(t){var e=t||new h;e.endianness=h.BIG_ENDIAN,this.write(e)},y.prototype.addSample=function(t,e,r){var s=r||{},a={},n=this.getTrackById(t);if(null!==n){a.number=n.samples.length,a.track_id=n.tkhd.track_id,a.timescale=n.mdia.mdhd.timescale,a.description_index=s.sample_description_index?s.sample_description_index-1:0,a.description=n.mdia.minf.stbl.stsd.entries[a.description_index],a.data=e,a.size=e.byteLength,a.alreadyRead=a.size,a.duration=s.duration||1,a.cts=s.cts||0,a.dts=s.dts||0,a.is_sync=s.is_sync||!1,a.is_leading=s.is_leading||0,a.depends_on=s.depends_on||0,a.is_depended_on=s.is_depended_on||0,a.has_redundancy=s.has_redundancy||0,a.degradation_priority=s.degradation_priority||0,a.offset=0,a.subsamples=s.subsamples,n.samples.push(a),n.samples_size+=a.size,n.samples_duration+=a.duration,void 0===n.first_dts&&(n.first_dts=s.dts),this.processSamples();var o=this.createSingleSampleMoof(a);return this.addBox(o),o.computeSize(),o.trafs[0].truns[0].data_offset=o.size+8,this.add("mdat").data=new Uint8Array(e),a}},y.prototype.createSingleSampleMoof=function(t){var e=0;e=t.is_sync?0x2000000:65536;var r=new p.moofBox;r.add("mfhd").set("sequence_number",this.nextMoofNumber),this.nextMoofNumber++;var s=r.add("traf"),a=this.getTrackById(t.track_id);return s.add("tfhd").set("track_id",t.track_id).set("flags",p.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),s.add("tfdt").set("baseMediaDecodeTime",t.dts-(a.first_dts||0)),s.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]),r},y.prototype.lastMoofIndex=0,y.prototype.samplesDataSize=0,y.prototype.resetTables=function(){for(t=0,this.initial_duration=this.moov.mvhd.duration,this.moov.mvhd.duration=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=[],(r=e.mdia.minf.stbl.stsc).first_chunk=[],r.samples_per_chunk=[],r.sample_description_index=[],(e.mdia.minf.stbl.stsz||e.mdia.minf.stbl.stz2).sample_sizes=[],(s=e.mdia.minf.stbl.stts).sample_counts=[],s.sample_deltas=[],(a=e.mdia.minf.stbl.ctts)&&(a.sample_counts=[],a.sample_offsets=[]);var t,e,r,s,a,n=e.mdia.minf.stbl.stss,o=e.mdia.minf.stbl.boxes.indexOf(n);-1!=o&&(e.mdia.minf.stbl.boxes[o]=null)}},y.initSampleGroups=function(t,e,r,s,a){var n,o,l,h;function d(t,e,r){this.grouping_type=t,this.grouping_type_parameter=e,this.sbgp=r,this.last_sample_in_run=-1,this.entry_index=-1}for(e&&(e.sample_groups_info=[]),t.sample_groups_info||(t.sample_groups_info=[]),o=0;o<r.length;o++){for(h=r[o].grouping_type+"/"+r[o].grouping_type_parameter,l=new d(r[o].grouping_type,r[o].grouping_type_parameter,r[o]),e&&(e.sample_groups_info[h]=l),t.sample_groups_info[h]||(t.sample_groups_info[h]=l),n=0;n<s.length;n++)s[n].grouping_type===r[o].grouping_type&&(l.description=s[n],l.description.used=!0);if(a)for(n=0;n<a.length;n++)a[n].grouping_type===r[o].grouping_type&&(l.fragment_description=a[n],l.fragment_description.used=!0,l.is_fragment=!0)}if(e){if(a)for(o=0;o<a.length;o++)!a[o].used&&a[o].version>=2&&(h=a[o].grouping_type+"/0",(l=new d(a[o].grouping_type,0)).is_fragment=!0,e.sample_groups_info[h]||(e.sample_groups_info[h]=l))}else for(o=0;o<s.length;o++)!s[o].used&&s[o].version>=2&&(h=s[o].grouping_type+"/0",l=new d(s[o].grouping_type,0),t.sample_groups_info[h]||(t.sample_groups_info[h]=l))},y.setSampleGroupProperties=function(t,e,r,s){var a,n,o;for(a in e.sample_groups=[],s)e.sample_groups[a]={},e.sample_groups[a].grouping_type=s[a].grouping_type,e.sample_groups[a].grouping_type_parameter=s[a].grouping_type_parameter,r>=s[a].last_sample_in_run&&(s[a].last_sample_in_run<0&&(s[a].last_sample_in_run=0),s[a].entry_index++,s[a].entry_index<=s[a].sbgp.entries.length-1&&(s[a].last_sample_in_run+=s[a].sbgp.entries[s[a].entry_index].sample_count)),s[a].entry_index<=s[a].sbgp.entries.length-1?e.sample_groups[a].group_description_index=s[a].sbgp.entries[s[a].entry_index].group_description_index:e.sample_groups[a].group_description_index=-1,0!==e.sample_groups[a].group_description_index&&(o=s[a].fragment_description?s[a].fragment_description:s[a].description,e.sample_groups[a].group_description_index>0?(n=e.sample_groups[a].group_description_index>65535?(e.sample_groups[a].group_description_index>>16)-1:e.sample_groups[a].group_description_index-1,o&&n>=0&&(e.sample_groups[a].description=o.entries[n])):o&&o.version>=2&&o.default_group_description_index>0&&(e.sample_groups[a].description=o.entries[o.default_group_description_index-1]))},y.process_sdtp=function(t,e,r){e&&(t?(e.is_leading=t.is_leading[r],e.depends_on=t.sample_depends_on[r],e.is_depended_on=t.sample_is_depended_on[r],e.has_redundancy=t.sample_has_redundancy[r]):(e.is_leading=0,e.depends_on=0,e.is_depended_on=0,e.has_redundancy=0))},y.prototype.buildSampleLists=function(){var t,e;for(t=0;t<this.moov.traks.length;t++)e=this.moov.traks[t],this.buildTrakSampleLists(e)},y.prototype.buildTrakSampleLists=function(t){if(t.samples=[],t.samples_duration=0,t.samples_size=0,r=t.mdia.minf.stbl.stco||t.mdia.minf.stbl.co64,s=t.mdia.minf.stbl.stsc,a=t.mdia.minf.stbl.stsz||t.mdia.minf.stbl.stz2,n=t.mdia.minf.stbl.stts,o=t.mdia.minf.stbl.ctts,l=t.mdia.minf.stbl.stss,h=t.mdia.minf.stbl.stsd,d=t.mdia.minf.stbl.subs,c=t.mdia.minf.stbl.stdp,u=t.mdia.minf.stbl.sbgps,p=t.mdia.minf.stbl.sgpds,b=-1,v=-1,S=-1,x=-1,U=0,E=0,A=0,y.initSampleGroups(t,null,u,p),void 0!==a){for(e=0;e<a.sample_sizes.length;e++){var e,r,s,a,n,o,l,h,d,u,p,c,f,m,_,g,w,b,v,S,x,U,E,A,C={};C.number=e,C.track_id=t.tkhd.track_id,C.timescale=t.mdia.mdhd.timescale,C.alreadyRead=0,t.samples[e]=C,C.size=a.sample_sizes[e],t.samples_size+=C.size,0===e?(f=0,C.chunk_index=m=1,C.chunk_run_index=f,w=s.samples_per_chunk[f],g=0,_=f+1<s.first_chunk.length?s.first_chunk[f+1]-1:1/0):e<w?(C.chunk_index=m,C.chunk_run_index=f):(C.chunk_index=++m,g=0,m<=_||(_=++f+1<s.first_chunk.length?s.first_chunk[f+1]-1:1/0),C.chunk_run_index=f,w+=s.samples_per_chunk[f]),C.description_index=s.sample_description_index[C.chunk_run_index]-1,C.description=h.entries[C.description_index],C.offset=r.chunk_offsets[C.chunk_index-1]+g,g+=C.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,C.dts=t.samples[e-1].dts+t.samples[e-1].duration):C.dts=0,o?(e>=S&&(x++,S<0&&(S=0),S+=o.sample_counts[x]),C.cts=t.samples[e].dts+o.sample_offsets[x]):C.cts=C.dts,l?(e==l.sample_numbers[U]-1?(C.is_sync=!0,U++):(C.is_sync=!1,C.degradation_priority=0),d&&d.entries[E].sample_delta+A==e+1&&(C.subsamples=d.entries[E].subsamples,A+=d.entries[E].sample_delta,E++)):C.is_sync=!0,y.process_sdtp(t.mdia.minf.stbl.sdtp,C,C.number),c?C.degradation_priority=c.priority[e]:C.degradation_priority=0,d&&d.entries[E].sample_delta+A==e&&(C.subsamples=d.entries[E].subsamples,A+=d.entries[E].sample_delta),(u.length>0||p.length>0)&&y.setSampleGroupProperties(t,C,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)}},y.prototype.updateSampleLists=function(){if(void 0!==this.moov){for(;this.lastMoofIndex<this.moofs.length;)if(h=this.moofs[this.lastMoofIndex],this.lastMoofIndex++,"moof"==h.type)for(t=0;t<h.trafs.length;t++){for(d=h.trafs[t],null==(u=this.getTrackById(d.tfhd.track_id)).samples&&(u.samples=[]),c=this.getTrexById(d.tfhd.track_id),s=d.tfhd.flags&p.TFHD_FLAG_SAMPLE_DESC?d.tfhd.default_sample_description_index:c?c.default_sample_description_index:1,a=d.tfhd.flags&p.TFHD_FLAG_SAMPLE_DUR?d.tfhd.default_sample_duration:c?c.default_sample_duration:0,n=d.tfhd.flags&p.TFHD_FLAG_SAMPLE_SIZE?d.tfhd.default_sample_size:c?c.default_sample_size:0,o=d.tfhd.flags&p.TFHD_FLAG_SAMPLE_FLAGS?d.tfhd.default_sample_flags:c?c.default_sample_flags:0,d.sample_number=0,d.sbgps.length>0&&y.initSampleGroups(u,d,d.sbgps,u.mdia.minf.stbl.sgpds,d.sgpds),e=0;e<d.truns.length;e++){var t,e,r,s,a,n,o,l,h,d,u,c,f,m,_=d.truns[e];for(r=0;r<_.sample_count;r++){(f={}).moof_number=this.lastMoofIndex,f.number_in_traf=d.sample_number,d.sample_number++,f.number=u.samples.length,d.first_sample_index=u.samples.length,u.samples.push(f),f.track_id=u.tkhd.track_id,f.timescale=u.mdia.mdhd.timescale,f.description_index=s-1,f.description=u.mdia.minf.stbl.stsd.entries[f.description_index],f.size=n,_.flags&p.TRUN_FLAGS_SIZE&&(f.size=_.sample_size[r]),u.samples_size+=f.size,f.duration=a,_.flags&p.TRUN_FLAGS_DURATION&&(f.duration=_.sample_duration[r]),u.samples_duration+=f.duration,u.first_traf_merged||r>0?f.dts=u.samples[u.samples.length-2].dts+u.samples[u.samples.length-2].duration:(d.tfdt?f.dts=d.tfdt.baseMediaDecodeTime:f.dts=0,u.first_traf_merged=!0),f.cts=f.dts,_.flags&p.TRUN_FLAGS_CTS_OFFSET&&(f.cts=f.dts+_.sample_composition_time_offset[r]),m=o,_.flags&p.TRUN_FLAGS_FLAGS?m=_.sample_flags[r]:0===r&&_.flags&p.TRUN_FLAGS_FIRST_FLAG&&(m=_.first_sample_flags),f.is_sync=!(m>>16&1),f.is_leading=m>>26&3,f.depends_on=m>>24&3,f.is_depended_on=m>>22&3,f.has_redundancy=m>>20&3,f.degradation_priority=65535&m;var g=!!(d.tfhd.flags&p.TFHD_FLAG_BASE_DATA_OFFSET),w=!!(d.tfhd.flags&p.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),b=!!(_.flags&p.TRUN_FLAGS_DATA_OFFSET),v=0;v=g?d.tfhd.base_data_offset:w||0===e?h.start:l,0===e&&0===r?b?f.offset=v+_.data_offset:f.offset=v:f.offset=l,l=f.offset+f.size,(d.sbgps.length>0||d.sgpds.length>0||u.mdia.minf.stbl.sbgps.length>0||u.mdia.minf.stbl.sgpds.length>0)&&y.setSampleGroupProperties(u,f,f.number_in_traf,d.sample_groups_info)}}if(d.subs){u.has_fragment_subsamples=!0;var S=d.first_sample_index;for(e=0;e<d.subs.entries.length;e++)S+=d.subs.entries[e].sample_delta,(f=u.samples[S-1]).subsamples=d.subs.entries[e].subsamples}}}},y.prototype.getSample=function(t,e){var r,s=t.samples[e];if(!this.moov)return null;if(s.data){if(s.alreadyRead==s.size)return s}else s.data=new Uint8Array(s.size),s.alreadyRead=0,this.samplesDataSize+=s.size,o.debug("ISOFile","Allocating sample #"+e+" on track #"+t.tkhd.track_id+" of size "+s.size+" (total: "+this.samplesDataSize+")");for(;;){var a=this.stream.findPosition(!0,s.offset+s.alreadyRead,!1);if(!(a>-1))return null;var n=(r=this.stream.buffers[a]).byteLength-(s.offset+s.alreadyRead-r.fileStart);if(s.size-s.alreadyRead<=n)return o.debug("ISOFile","Getting sample #"+e+" data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-r.fileStart)+" read size: "+(s.size-s.alreadyRead)+" full size: "+s.size+")"),h.memcpy(s.data.buffer,s.alreadyRead,r,s.offset+s.alreadyRead-r.fileStart,s.size-s.alreadyRead),r.usedBytes+=s.size-s.alreadyRead,this.stream.logBufferLevel(),s.alreadyRead=s.size,s;if(0===n)return null;o.debug("ISOFile","Getting sample #"+e+" partial data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-r.fileStart)+" read size: "+n+" full size: "+s.size+")"),h.memcpy(s.data.buffer,s.alreadyRead,r,s.offset+s.alreadyRead-r.fileStart,n),s.alreadyRead+=n,r.usedBytes+=n,this.stream.logBufferLevel()}},y.prototype.releaseSample=function(t,e){var r=t.samples[e];return r.data?(this.samplesDataSize-=r.size,r.data=null,r.alreadyRead=0,r.size):0},y.prototype.getAllocatedSampleDataSize=function(){return this.samplesDataSize},y.prototype.getCodecs=function(){var t,e="";for(t=0;t<this.moov.traks.length;t++){var r=this.moov.traks[t];t>0&&(e+=","),e+=r.mdia.minf.stbl.stsd.entries[0].getCodec()}return e},y.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 r=this.moov.mvex.trexs[e];if(r.track_id==t)return r}return null},y.prototype.getTrackById=function(t){if(void 0===this.moov)return null;for(var e=0;e<this.moov.traks.length;e++){var r=this.moov.traks[e];if(r.tkhd.track_id==t)return r}return null},y.prototype.items=[],y.prototype.entity_groups=[],y.prototype.itemsDataSize=0,y.prototype.flattenItemInfo=function(){var t,e,r,s=this.items,a=this.entity_groups,n=this.meta;if(null!=n&&void 0!==n.hdlr&&void 0!==n.iinf){for(t=0;t<n.iinf.item_infos.length;t++)(r={}).id=n.iinf.item_infos[t].item_ID,s[r.id]=r,r.ref_to=[],r.name=n.iinf.item_infos[t].item_name,n.iinf.item_infos[t].protection_index>0&&(r.protection=n.ipro.protections[n.iinf.item_infos[t].protection_index-1]),n.iinf.item_infos[t].item_type?r.type=n.iinf.item_infos[t].item_type:r.type="mime",r.content_type=n.iinf.item_infos[t].content_type,r.content_encoding=n.iinf.item_infos[t].content_encoding;if(n.grpl)for(t=0;t<n.grpl.boxes.length;t++)(entity_group={}).id=n.grpl.boxes[t].group_id,entity_group.entity_ids=n.grpl.boxes[t].entity_ids,entity_group.type=n.grpl.boxes[t].type,a[entity_group.id]=entity_group;if(n.iloc)for(t=0;t<n.iloc.items.length;t++){var l=n.iloc.items[t];switch(r=s[l.item_ID],0!==l.data_reference_index&&(o.warn("Item storage with reference to other files: not supported"),r.source=n.dinf.boxes[l.data_reference_index-1]),l.construction_method){case 0:break;case 1:case 2:o.warn("Item storage with construction_method : not supported")}for(e=0,r.extents=[],r.size=0;e<l.extents.length;e++)r.extents[e]={},r.extents[e].offset=l.extents[e].extent_offset+l.base_offset,r.extents[e].length=l.extents[e].extent_length,r.extents[e].alreadyRead=0,r.size+=r.extents[e].length}if(n.pitm&&(s[n.pitm.item_id].primary=!0),n.iref)for(t=0;t<n.iref.references.length;t++){var h=n.iref.references[t];for(e=0;e<h.references.length;e++)s[h.from_item_ID].ref_to.push({type:h.type,id:h.references[e]})}if(n.iprp)for(var d=0;d<n.iprp.ipmas.length;d++){var u=n.iprp.ipmas[d];for(t=0;t<u.associations.length;t++){var p=u.associations[t];if((r=s[p.id])||(r=a[p.id]),r)for(void 0===r.properties&&(r.properties={},r.properties.boxes=[]),e=0;e<p.props.length;e++){var c=p.props[e];if(c.property_index>0&&c.property_index-1<n.iprp.ipco.boxes.length){var f=n.iprp.ipco.boxes[c.property_index-1];r.properties[f.type]=f,r.properties.boxes.push(f)}}}}}},y.prototype.getItem=function(t){if(!this.meta)return null;if(!(r=this.items[t]).data&&r.size)r.data=new Uint8Array(r.size),r.alreadyRead=0,this.itemsDataSize+=r.size,o.debug("ISOFile","Allocating item #"+t+" of size "+r.size+" (total: "+this.itemsDataSize+")");else if(r.alreadyRead===r.size)return r;for(var e,r,s=0;s<r.extents.length;s++){var a=r.extents[s];if(a.alreadyRead!==a.length){var n=this.stream.findPosition(!0,a.offset+a.alreadyRead,!1);if(!(n>-1))return null;var l=(e=this.stream.buffers[n]).byteLength-(a.offset+a.alreadyRead-e.fileStart);if(!(a.length-a.alreadyRead<=l))return o.debug("ISOFile","Getting item #"+t+" extent #"+s+" partial data (alreadyRead: "+a.alreadyRead+" offset: "+(a.offset+a.alreadyRead-e.fileStart)+" read size: "+l+" full extent size: "+a.length+" full item size: "+r.size+")"),h.memcpy(r.data.buffer,r.alreadyRead,e,a.offset+a.alreadyRead-e.fileStart,l),a.alreadyRead+=l,r.alreadyRead+=l,e.usedBytes+=l,this.stream.logBufferLevel(),null;o.debug("ISOFile","Getting item #"+t+" extent #"+s+" data (alreadyRead: "+a.alreadyRead+" offset: "+(a.offset+a.alreadyRead-e.fileStart)+" read size: "+(a.length-a.alreadyRead)+" full extent size: "+a.length+" full item size: "+r.size+")"),h.memcpy(r.data.buffer,r.alreadyRead,e,a.offset+a.alreadyRead-e.fileStart,a.length-a.alreadyRead),e.usedBytes+=a.length-a.alreadyRead,this.stream.logBufferLevel(),r.alreadyRead+=a.length-a.alreadyRead,a.alreadyRead=a.length}}return r.alreadyRead===r.size?r:null},y.prototype.releaseItem=function(t){var e=this.items[t];if(!e.data)return 0;this.itemsDataSize-=e.size,e.data=null,e.alreadyRead=0;for(var r=0;r<e.extents.length;r++)e.extents[r].alreadyRead=0;return e.size},y.prototype.processItems=function(t){for(var e in this.items){var r=this.items[e];this.getItem(r.id),t&&!r.sent&&(t(r),r.sent=!0,r.data=null)}},y.prototype.hasItem=function(t){for(var e in this.items){var r=this.items[e];if(r.name===t)return r.id}return -1},y.prototype.getMetaHandler=function(){return this.meta?this.meta.hdlr.handler:null},y.prototype.getPrimaryItem=function(){return this.meta&&this.meta.pitm?this.getItem(this.meta.pitm.item_id):null},y.prototype.itemToFragmentedTrackFile=function(t){var e=t||{},r=null;if(null==(r=e.itemId?this.getItem(e.itemId):this.getPrimaryItem()))return null;var s=new y;s.discardMdatData=!1;var a={type:r.type,description_boxes:r.properties.boxes};r.properties.ispe&&(a.width=r.properties.ispe.image_width,a.height=r.properties.ispe.image_height);var n=s.addTrack(a);return n?(s.addSample(n,r.data),s):null},y.prototype.write=function(t){for(var e=0;e<this.boxes.length;e++)this.boxes[e].write(t)},y.prototype.createFragment=function(t,e,r){var s=this.getTrackById(t),a=this.getSample(s,e);if(null==a)return this.setNextSeekPositionFromSample(s.samples[e]),null;var n=r||new h;n.endianness=h.BIG_ENDIAN;var l=this.createSingleSampleMoof(a);l.write(n),l.trafs[0].truns[0].data_offset=l.size+8,o.debug("MP4Box","Adjusting data_offset with new value 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set!"),this.isFragmentationInitialized||(this.isFragmentationInitialized=!0,this.nextMoofNumber=0,this.resetTables()),e=[],t=0;t<this.fragmentedTracks.length;t++){var t,e,r,s,a=new p.moovBox;a.mvhd=this.moov.mvhd,a.boxes.push(a.mvhd),r=this.getTrackById(this.fragmentedTracks[t].id),a.boxes.push(r),a.traks.push(r),(s={}).id=r.tkhd.track_id,s.user=this.fragmentedTracks[t].user,s.buffer=y.writeInitializationSegment(this.ftyp,a,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(s)}return e},p.Box.prototype.printHeader=function(t){this.size+=8,this.size>0x100000000&&(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 r=t.indent;t.indent+=" ",this.boxes[e].print(t),t.indent=r}},y.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: 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