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i=Math.min(r,this._current_word_bits_left),s=this._current_word>>>32-i;return this._current_word<<=i,this._current_word_bits_left-=i,t=t<<i|s,t}readBool(){return 1===this.readBits(1)}readByte(){return this.readBits(8)}_skipLeadingZero(){let e;for(e=0;e<this._current_word_bits_left;e++)if(this._current_word&2147483648>>>e)return this._current_word<<=e,this._current_word_bits_left-=e,e;return this._fillCurrentWord(),e+this._skipLeadingZero()}readUEG(){let e=this._skipLeadingZero();return this.readBits(e+1)-1}readSEG(){let e=this.readUEG();return 1&e?e+1>>>1:-1*(e>>>1)}}function Pt({profile:e,sampleRate:t,channel:r}){return new Uint8Array([175,0,e<<3|(14&t)>>1,(1&t)<<7|r<<3])}function Ft(e){return Lt(e)&&e[1]===bt}function Lt(e){return e[0]>>4===De}const Rt=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],zt=Rt,Mt=Rt,Nt=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];class Ot{constructor(e){this.data_=e,this.eof_flag_=!1,this.current_syncword_offset_=this.findNextSyncwordOffset(0),this.eof_flag_&&console.error("Could not found ADTS syncword until payload end")}findNextSyncwordOffset(e){let t=e,r=this.data_;for(;;){if(t+7>=r.byteLength)return this.eof_flag_=!0,r.byteLength;if(4095===(r[t+0]<<8|r[t+1])>>>4)return t;t++}}readNextAACFrame(){let e=this.data_,t=null;for(;null==t&&!this.eof_flag_;){let r=this.current_syncword_offset_,i=(8&e[r+1])>>>3,s=(6&e[r+1])>>>1,a=1&e[r+1],n=(192&e[r+2])>>>6,o=(60&e[r+2])>>>2,d=(1&e[r+2])<<2|(192&e[r+3])>>>6,l=(3&e[r+3])<<11|e[r+4]<<3|(224&e[r+5])>>>5;if(e[r+6],r+l>this.data_.byteLength){this.eof_flag_=!0,this.has_last_incomplete_data=!0;break}let u=1===a?7:9,c=l-u;r+=u;let h=this.findNextSyncwordOffset(r+c);if(this.current_syncword_offset_=h,0!==i&&1!==i||0!==s)continue;let f=e.subarray(r,r+c);t={},t.audio_object_type=n+1,t.sampling_freq_index=o,t.sampling_frequency=zt[o],t.channel_config=d,t.data=f}return t}hasIncompleteData(){return this.has_last_incomplete_data}getIncompleteData(){return this.has_last_incomplete_data?this.data_.subarray(this.current_syncword_offset_):null}}class Gt{constructor(e){this.data_=e,this.eof_flag_=!1,this.current_syncword_offset_=this.findNextSyncwordOffset(0),this.eof_flag_&&console.error("Could not found ADTS syncword until payload end")}findNextSyncwordOffset(e){let t=e,r=this.data_;for(;;){if(t+1>=r.byteLength)return this.eof_flag_=!0,r.byteLength;if(695===(r[t+0]<<3|r[t+1]>>>5))return t;t++}}getLATMValue(e){let t=e.readBits(2),r=0;for(let i=0;i<=t;i++)r<<=8,r|=e.readByte();return r}readNextAACFrame(e){let t=this.data_,r=null;for(;null==r&&!this.eof_flag_;){let i=this.current_syncword_offset_,s=(31&t[i+1])<<8|t[i+2];if(i+3+s>=this.data_.byteLength){this.eof_flag_=!0,this.has_last_incomplete_data=!0;break}let a=new It(t.subarray(i+3,i+3+s)),n=null;if(a.readBool()){if(null==e){console.warn("StreamMuxConfig Missing"),this.current_syncword_offset_=this.findNextSyncwordOffset(i+3+s),a.destroy();continue}n=e}else{let e=a.readBool();if(e&&a.readBool()){console.error("audioMuxVersionA is Not Supported"),a.destroy();break}if(e&&this.getLATMValue(a),!a.readBool()){console.error("allStreamsSameTimeFraming zero is Not Supported"),a.destroy();break}if(0!==a.readBits(6)){console.error("more than 2 numSubFrames Not Supported"),a.destroy();break}if(0!==a.readBits(4)){console.error("more than 2 numProgram Not Supported"),a.destroy();break}if(0!==a.readBits(3)){console.error("more than 2 numLayer Not Supported"),a.destroy();break}let t=e?this.getLATMValue(a):0,r=a.readBits(5);t-=5;let i=a.readBits(4);t-=4;let s=a.readBits(4);t-=4,a.readBits(3),t-=3,t>0&&a.readBits(t);let o=a.readBits(3);if(0!==o){console.error(`frameLengthType = ${o}. Only frameLengthType = 0 Supported`),a.destroy();break}a.readByte();let d=a.readBool();if(d)if(e)this.getLATMValue(a);else{let e=0;for(;;){e<<=8;let t=a.readBool();if(e+=a.readByte(),!t)break}console.log(e)}a.readBool()&&a.readByte(),n={},n.audio_object_type=r,n.sampling_freq_index=i,n.sampling_frequency=zt[n.sampling_freq_index],n.channel_config=s,n.other_data_present=d}let o=0;for(;;){let e=a.readByte();if(o+=e,255!==e)break}let d=new Uint8Array(o);for(let e=0;e<o;e++)d[e]=a.readByte();r={},r.audio_object_type=n.audio_object_type,r.sampling_freq_index=n.sampling_freq_index,r.sampling_frequency=zt[n.sampling_freq_index],r.channel_config=n.channel_config,r.other_data_present=n.other_data_present,r.data=d,this.current_syncword_offset_=this.findNextSyncwordOffset(i+3+s)}return r}hasIncompleteData(){return this.has_last_incomplete_data}getIncompleteData(){return this.has_last_incomplete_data?this.data_.subarray(this.current_syncword_offset_):null}}function $t(e,t=0){return(e[t]<<24>>>0)+(e[t+1]<<16)+(e[t+2]<<8)+(e[t+3]||0)}function Ht(e){const t=e.byteLength,r=new Uint8Array(4);r[0]=t>>>24&255,r[1]=t>>>16&255,r[2]=t>>>8&255,r[3]=255&t;const i=new Uint8Array(t+4);return i.set(r,0),i.set(e,4),i}function Vt(e,t){let r=null;return t?e.length>=28&&(r=1+(3&e[26])):e.length>=12&&(r=1+(3&e[9])),r}function Wt(){return(new Date).getTime()}function jt(){return performance&&"function"==typeof performance.now?performance.now():Date.now()}function qt(e){let t=0,r=jt();return i=>{if(s=i,"[object Number]"!==Object.prototype.toString.call(s))return;var s;t+=i;const a=jt(),n=a-r;n>=1e3&&(e(t/n*1e3),r=a,t=0)}}function Yt(e){return null==e}function Kt(e){return"function"==typeof e}function Xt(e){e.close()}function Zt(e,t){t&&(e=e.filter((e=>e.type&&e.type===t)));let r=e[0],i=null,s=1;if(e.length>0){let t=e[1];t&&t.ts-r.ts>1e5&&(r=t,s=2)}if(r)for(let a=s;a<e.length;a++){let s=e[a];if(t&&s.type&&s.type!==t&&(s=null),s){if(s.ts-r.ts>=1e3){e[a-1].ts-r.ts<1e3&&(i=a+1)}}}return i}function Jt(){return function(e){let t="";if("object"==typeof e)try{t=JSON.stringify(e),t=JSON.parse(t)}catch(r){t=e}else t=e;return t}(v)}function Qt(e){return e[0]>>4===vt&&e[1]===bt}function er(e){return!0===e||"true"===e}function tr(e){return!0!==e&&"true"!==e}function rr(e,t,...r){/Safari/.test(navigator.userAgent)&&!/Chrome/.test(navigator.userAgent)?console.log(...r):"log"==t||"warn"==t?console.log(`%c ${e} %c ${ir(new Date,"hh:mm:ss")} %c`,"background:#2d8cf0; padding: 1px; border-radius: 3px 0 0 3px; color: #fff;margin:5px 0","background:#67C23A; padding: 1px; border-radius: 0 3px 3px 0; color: #fff;margin-right: 10px","background:transparent",...r):"error"==t&&console.log(`%c ${e} %c ${ir(new Date,"hh:mm:ss")} %c`,"background:#2d8cf0; padding: 1px; border-radius: 3px 0 0 3px; color: #fff;margin:5px 0","background:#F56C6C; padding: 1px; border-radius: 0 3px 3px 0; color: #fff;margin-right: 10px","background:transparent",...r)}function ir(e,t){let r;const i={"Y+":e.getFullYear().toString(),"M+":(e.getMonth()+1).toString(),"D+":e.getDate().toString(),"h+":e.getHours().toString(),"m+":e.getMinutes().toString(),"s+":e.getSeconds().toString()};for(const e in i)r=new RegExp("("+e+")").exec(t),r&&(t=t.replace(r[1],1===r[1].length?i[e]:i[e].padStart(r[1].length,"0")));return t}(()=>{try{if("object"==typeof WebAssembly&&"function"==typeof WebAssembly.instantiate){const e=new WebAssembly.Module(Uint8Array.of(0,97,115,109,1,0,0,0));if(e instanceof WebAssembly.Module)return new WebAssembly.Instance(e)instanceof WebAssembly.Instance}}catch(e){}})();var sr=function(e,t,r,i){return new(r||(r=Promise))((function(s,a){function n(e){try{d(i.next(e))}catch(e){a(e)}}function o(e){try{d(i.throw(e))}catch(e){a(e)}}function d(e){var t;e.done?s(e.value):(t=e.value,t instanceof r?t:new r((function(e){e(t)}))).then(n,o)}d((i=i.apply(e,t||[])).next())}))};const ar=Symbol(32),nr=Symbol(16),or=Symbol(8);class dr{constructor(e){this.g=e,this.consumed=0,e&&(this.need=e.next().value)}setG(e){this.g=e,this.demand(e.next().value,!0)}consume(){this.buffer&&this.consumed&&(this.buffer.copyWithin(0,this.consumed),this.buffer=this.buffer.subarray(0,this.buffer.length-this.consumed),this.consumed=0)}demand(e,t){return t&&this.consume(),this.need=e,this.flush()}read(e){return sr(this,void 0,void 0,(function*(){return this.lastReadPromise&&(yield this.lastReadPromise),this.lastReadPromise=new Promise(((t,r)=>{var i;this.reject=r,this.resolve=e=>{delete this.lastReadPromise,delete this.resolve,delete this.need,t(e)};this.demand(e,!0)||null===(i=this.pull)||void 0===i||i.call(this,e)}))}))}readU32(){return this.read(ar)}readU16(){return this.read(nr)}readU8(){return this.read(or)}close(){var e;this.g&&this.g.return(),this.buffer&&this.buffer.subarray(0,0),null===(e=this.reject)||void 0===e||e.call(this,new Error("EOF")),delete this.lastReadPromise}flush(){if(!this.buffer||!this.need)return;let e=null;const t=this.buffer.subarray(this.consumed);let r=0;const i=e=>t.length<(r=e);if("number"==typeof this.need){if(i(this.need))return;e=t.subarray(0,r)}else if(this.need===ar){if(i(4))return;e=t[0]<<24|t[1]<<16|t[2]<<8|t[3]}else if(this.need===nr){if(i(2))return;e=t[0]<<8|t[1]}else if(this.need===or){if(i(1))return;e=t[0]}else if("buffer"in this.need){if("byteOffset"in this.need){if(i(this.need.byteLength-this.need.byteOffset))return;new Uint8Array(this.need.buffer,this.need.byteOffset).set(t.subarray(0,r)),e=this.need}else if(this.g)return void this.g.throw(new Error("Unsupported type"))}else{if(i(this.need.byteLength))return;new Uint8Array(this.need).set(t.subarray(0,r)),e=this.need}return this.consumed+=r,this.g?this.demand(this.g.next(e).value,!0):this.resolve&&this.resolve(e),e}write(e){if(e instanceof Uint8Array?this.malloc(e.length).set(e):"buffer"in e?this.malloc(e.byteLength).set(new Uint8Array(e.buffer,e.byteOffset,e.byteLength)):this.malloc(e.byteLength).set(new Uint8Array(e)),!this.g&&!this.resolve)return new Promise((e=>this.pull=e));this.flush()}writeU32(e){this.malloc(4).set([e>>24&255,e>>16&255,e>>8&255,255&e]),this.flush()}writeU16(e){this.malloc(2).set([e>>8&255,255&e]),this.flush()}writeU8(e){this.malloc(1)[0]=e,this.flush()}malloc(e){if(this.buffer){const t=this.buffer.length,r=t+e;if(r<=this.buffer.buffer.byteLength-this.buffer.byteOffset)this.buffer=new Uint8Array(this.buffer.buffer,this.buffer.byteOffset,r);else{const e=new Uint8Array(r);e.set(this.buffer),this.buffer=e}return this.buffer.subarray(t,r)}return this.buffer=new Uint8Array(e),this.buffer}}dr.U32=ar,dr.U16=nr,dr.U8=or;class lr{constructor(e){this.log=(t,...r)=>{e._opt.debug&&rr(`EasyPlayerPro[${t}]`,"log",...r)},this.warn=(t,...r)=>{e._opt.debug&&rr(`EasyPlayerPro[${t}]`,"warn",...r)},this.error=(e,...t)=>{rr(`EasyPlayerPro[${e}]`,"error",...t)}}}class ur{static _ebsp2rbsp(e){let t=e,r=t.byteLength,i=new Uint8Array(r),s=0;for(let e=0;e<r;e++)e>=2&&3===t[e]&&0===t[e-1]&&0===t[e-2]||(i[s]=t[e],s++);return new Uint8Array(i.buffer,0,s)}static parseSPS(e){let t=ur._ebsp2rbsp(e),r=new It(t);r.readByte();let i=r.readByte();r.readByte();let s=r.readByte();r.readUEG();let a=ur.getProfileString(i),n=ur.getLevelString(s),o=1,d=420,l=[0,420,422,444],u=8;if((100===i||110===i||122===i||244===i||44===i||83===i||86===i||118===i||128===i||138===i||144===i)&&(o=r.readUEG(),3===o&&r.readBits(1),o<=3&&(d=l[o]),u=r.readUEG()+8,r.readUEG(),r.readBits(1),r.readBool())){let e=3!==o?8:12;for(let t=0;t<e;t++)r.readBool()&&(t<6?ur._skipScalingList(r,16):ur._skipScalingList(r,64))}r.readUEG();let c=r.readUEG();if(0===c)r.readUEG();else if(1===c){r.readBits(1),r.readSEG(),r.readSEG();let e=r.readUEG();for(let t=0;t<e;t++)r.readSEG()}let h=r.readUEG();r.readBits(1);let f=r.readUEG(),p=r.readUEG(),m=r.readBits(1);0===m&&r.readBits(1),r.readBits(1);let _=0,g=0,y=0,b=0;r.readBool()&&(_=r.readUEG(),g=r.readUEG(),y=r.readUEG(),b=r.readUEG());let v=1,w=1,S=0,E=!0,U=0,A=0;if(r.readBool()){if(r.readBool()){let e=r.readByte();e>0&&e<16?(v=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][e-1],w=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][e-1]):255===e&&(v=r.readByte()<<8|r.readByte(),w=r.readByte()<<8|r.readByte())}if(r.readBool()&&r.readBool(),r.readBool()&&(r.readBits(4),r.readBool()&&r.readBits(24)),r.readBool()&&(r.readUEG(),r.readUEG()),r.readBool()){let e=r.readBits(32),t=r.readBits(32);E=r.readBool(),U=t,A=2*e,S=U/A}}let x=1;1===v&&1===w||(x=v/w);let B=0,T=0;if(0===o)B=1,T=2-m;else{B=3===o?1:2,T=(1===o?2:1)*(2-m)}let C=16*(f+1),k=16*(p+1)*(2-m);C-=(_+g)*B,k-=(y+b)*T;let D=Math.ceil(C*x);return r.destroy(),r=null,{profile_string:a,level_string:n,bit_depth:u,ref_frames:h,chroma_format:d,chroma_format_string:ur.getChromaFormatString(d),frame_rate:{fixed:E,fps:S,fps_den:A,fps_num:U},sar_ratio:{width:v,height:w},codec_size:{width:C,height:k},present_size:{width:D,height:k}}}static parseSPS$2(e){let t=e.subarray(1,4),r="avc1.";for(let e=0;e<3;e++){let i=t[e].toString(16);i.length<2&&(i="0"+i),r+=i}let i=ur._ebsp2rbsp(e),s=new It(i);s.readByte();let a=s.readByte();s.readByte();let n=s.readByte();s.readUEG();let o=ur.getProfileString(a),d=ur.getLevelString(n),l=1,u=420,c=[0,420,422,444],h=8,f=8;if((100===a||110===a||122===a||244===a||44===a||83===a||86===a||118===a||128===a||138===a||144===a)&&(l=s.readUEG(),3===l&&s.readBits(1),l<=3&&(u=c[l]),h=s.readUEG()+8,f=s.readUEG()+8,s.readBits(1),s.readBool())){let e=3!==l?8:12;for(let t=0;t<e;t++)s.readBool()&&(t<6?ur._skipScalingList(s,16):ur._skipScalingList(s,64))}s.readUEG();let p=s.readUEG();if(0===p)s.readUEG();else if(1===p){s.readBits(1),s.readSEG(),s.readSEG();let e=s.readUEG();for(let t=0;t<e;t++)s.readSEG()}let m=s.readUEG();s.readBits(1);let _=s.readUEG(),g=s.readUEG(),y=s.readBits(1);0===y&&s.readBits(1),s.readBits(1);let b=0,v=0,w=0,S=0;s.readBool()&&(b=s.readUEG(),v=s.readUEG(),w=s.readUEG(),S=s.readUEG());let E=1,U=1,A=0,x=!0,B=0,T=0;if(s.readBool()){if(s.readBool()){let e=s.readByte();e>0&&e<16?(E=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][e-1],U=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][e-1]):255===e&&(E=s.readByte()<<8|s.readByte(),U=s.readByte()<<8|s.readByte())}if(s.readBool()&&s.readBool(),s.readBool()&&(s.readBits(4),s.readBool()&&s.readBits(24)),s.readBool()&&(s.readUEG(),s.readUEG()),s.readBool()){let e=s.readBits(32),t=s.readBits(32);x=s.readBool(),B=t,T=2*e,A=B/T}}let C=1;1===E&&1===U||(C=E/U);let k=0,D=0;if(0===l)k=1,D=2-y;else{k=3===l?1:2,D=(1===l?2:1)*(2-y)}let I=16*(_+1),P=16*(g+1)*(2-y);I-=(b+v)*k,P-=(w+S)*D;let F=Math.ceil(I*C);return s.destroy(),s=null,{codec_mimetype:r,profile_idc:a,level_idc:n,profile_string:o,level_string:d,chroma_format_idc:l,bit_depth:h,bit_depth_luma:h,bit_depth_chroma:f,ref_frames:m,chroma_format:u,chroma_format_string:ur.getChromaFormatString(u),frame_rate:{fixed:x,fps:A,fps_den:T,fps_num:B},sar_ratio:{width:E,height:U},codec_size:{width:I,height:P},present_size:{width:F,height:P}}}static _skipScalingList(e,t){let r=8,i=8,s=0;for(let a=0;a<t;a++)0!==i&&(s=e.readSEG(),i=(r+s+256)%256),r=0===i?r:i}static getProfileString(e){switch(e){case 66:return"Baseline";case 77:return"Main";case 88:return"Extended";case 100:return"High";case 110:return"High10";case 122:return"High422";case 244:return"High444";default:return"Unknown"}}static getLevelString(e){return(e/10).toFixed(1)}static getChromaFormatString(e){switch(e){case 420:return"4:2:0";case 422:return"4:2:2";case 444:return"4:4:4";default:return"Unknown"}}}class cr{constructor(e){this.buffer=e,this.buflen=e.length,this.bufpos=0,this.bufoff=0,this.iserro=!1}read(e){let t=0,r=0;for(;e;){if(e<0||this.bufpos>=this.buflen)return this.iserro=!0,0;this.iserro=!1,r=this.bufoff+e>8?8-this.bufoff:e,t<<=r,t+=this.buffer[this.bufpos]>>8-this.bufoff-r&255>>8-r,this.bufoff+=r,e-=r,8==this.bufoff&&(this.bufpos++,this.bufoff=0)}return t}look(e){let t=this.bufpos,r=this.bufoff,i=this.read(e);return this.bufpos=t,this.bufoff=r,i}read_golomb(){let e;for(e=0;0===this.read(1)&&!this.iserro;e++);return(1<<e)+this.read(e)-1}}function hr(e){const t={};let r=function(){let e=new ArrayBuffer(2);return new DataView(e).setInt16(0,256,!0),256===new Int16Array(e)[0]}();const i=new DataView(e.buffer);let s=i.getUint8(0),a=i.getUint8(1);if(i.getUint8(2),i.getUint8(3),1!==s||0===a)return{};const n=1+(3&i.getUint8(4));if(3!==n&&4!==n)return{};let o=31&i.getUint8(5);if(0===o)return{};let d=6;for(let s=0;s<o;s++){let a=i.getUint16(d,!r);if(d+=2,0===a)continue;let n=new Uint8Array(e.buffer,d,a);d+=a;let o=ur.parseSPS(n);if(0!==s)continue;t.sps=n,t.timescale=1e3,t.codecWidth=o.codec_size.width,t.codecHeight=o.codec_size.height,t.presentWidth=o.present_size.width,t.presentHeight=o.present_size.height,t.profile=o.profile_string,t.level=o.level_string,t.bitDepth=o.bit_depth,t.chromaFormat=o.chroma_format,t.sarRatio=o.sar_ratio,t.frameRate=o.frame_rate,!1!==o.frame_rate.fixed&&0!==o.frame_rate.fps_num&&0!==o.frame_rate.fps_den||(t.frameRate={fixed:!0,fps:25,fps_num:25e3,fps_den:1e3});let l=t.frameRate.fps_den,u=t.frameRate.fps_num;t.refSampleDuration=t.timescale*(l/u);let c=n.subarray(1,4),h="avc1.";for(let e=0;e<3;e++){let t=c[e].toString(16);t.length<2&&(t="0"+t),h+=t}t.codec=h}let l=i.getUint8(d);if(0===l)return{};d++;for(let s=0;s<l;s++){let s=i.getUint16(d,!r);if(d+=2,0===s)continue;let a=new Uint8Array(e.buffer,d,s);d+=s,t.pps=a}if(t.videoType=_t,t.sps){const e=t.sps.byteLength,r=new Uint8Array([e>>>24&255,e>>>16&255,e>>>8&255,255&e]),i=new Uint8Array(e+4);i.set(r,0),i.set(t.sps,4),t.sps=i}if(t.pps){const e=t.pps.byteLength,r=new Uint8Array([e>>>24&255,e>>>16&255,e>>>8&255,255&e]),i=new Uint8Array(e+4);i.set(r,0),i.set(t.pps,4),t.pps=i}return t}function fr({sps:e,pps:t}){const r=[23,0,0,0,0,1,66,0,30,255];r[0]=23,r[6]=e[1],r[7]=e[2],r[8]=e[3],r[10]=225,r[11]=e.byteLength>>8&255,r[12]=255&e.byteLength,r.push(...e,1,t.byteLength>>8&255,255&t.byteLength,...t);return new Uint8Array(r)}function pr(e,t){let r=[];r[0]=t?23:39,r[1]=1,r[2]=0,r[3]=0,r[4]=0;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}function mr(e){return 31&e[0]}function _r(e){return e===Oe}function gr(e){return!function(e){return e===Le||e===Re}(e)&&!_r(e)}function yr(e){return e===ze}class br{constructor(e){this.data=e,this.eofFlag=!1,this.currentStartcodeOffset=this.findNextStartCodeOffset(0),this.eofFlag&&console.error("Could not find H264 startcode until payload end!")}findNextStartCodeOffset(e){let t=e,r=this.data;for(;;){if(t+3>=r.byteLength)return this.eofFlag=!0,r.byteLength;let e=r[t+0]<<24|r[t+1]<<16|r[t+2]<<8|r[t+3],i=r[t+0]<<16|r[t+1]<<8|r[t+2];if(1===e||1===i)return t;t++}}readNextNaluPayload(){let e=this.data,t=null;for(;null==t&&!this.eofFlag;){let r=this.currentStartcodeOffset;r+=1===(e[r]<<24|e[r+1]<<16|e[r+2]<<8|e[r+3])?4:3;let i=31&e[r],s=(128&e[r])>>>7,a=this.findNextStartCodeOffset(r);this.currentStartcodeOffset=a,i>=He||0===s&&(t={type:i,data:e.subarray(r,a)})}return t}}class vr{constructor(e){let t=e.data.byteLength;this.type=e.type,this.data=new Uint8Array(4+t),new DataView(this.data.buffer).setUint32(0,t),this.data.set(e.data,4)}}const wr=e=>{let t=e,r=t.byteLength,i=new Uint8Array(r),s=0;for(let e=0;e<r;e++)e>=2&&3===t[e]&&0===t[e-1]&&0===t[e-2]||(i[s]=t[e],s++);return new Uint8Array(i.buffer,0,s)},Sr=e=>{switch(e){case 0:return"4:0:0";case 1:return"4:2:0";case 2:return"4:2:2";case 3:return"4:4:4";default:return"Unknown"}};class Er{static _ebsp2rbsp(e){let t=e,r=t.byteLength,i=new Uint8Array(r),s=0;for(let e=0;e<r;e++)e>=2&&3===t[e]&&0===t[e-1]&&0===t[e-2]||(i[s]=t[e],s++);return new Uint8Array(i.buffer,0,s)}static parseVPS(e){let t=Er._ebsp2rbsp(e),r=new It(t);return r.readByte(),r.readByte(),r.readBits(4),r.readBits(2),r.readBits(6),{num_temporal_layers:r.readBits(3)+1,temporal_id_nested:r.readBool()}}static parseSPS(e){let t=Er._ebsp2rbsp(e),r=new It(t);r.readByte(),r.readByte();let i=0,s=0,a=0,n=0;r.readBits(4);let o=r.readBits(3);r.readBool();let d=r.readBits(2),l=r.readBool(),u=r.readBits(5),c=r.readByte(),h=r.readByte(),f=r.readByte(),p=r.readByte(),m=r.readByte(),_=r.readByte(),g=r.readByte(),y=r.readByte(),b=r.readByte(),v=r.readByte(),w=r.readByte(),S=[],E=[];for(let e=0;e<o;e++)S.push(r.readBool()),E.push(r.readBool());if(o>0)for(let e=o;e<8;e++)r.readBits(2);for(let e=0;e<o;e++)S[e]&&(r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte()),E[e]&&r.readByte();r.readUEG();let U=r.readUEG();3==U&&r.readBits(1);let A=r.readUEG(),x=r.readUEG();r.readBool()&&(i+=r.readUEG(),s+=r.readUEG(),a+=r.readUEG(),n+=r.readUEG());let B=r.readUEG(),T=r.readUEG(),C=r.readUEG();for(let e=r.readBool()?0:o;e<=o;e++)r.readUEG(),r.readUEG(),r.readUEG();if(r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readBool()){if(r.readBool())for(let e=0;e<4;e++)for(let t=0;t<(3===e?2:6);t++){if(r.readBool()){let t=Math.min(64,1<<4+(e<<1));e>1&&r.readSEG();for(let e=0;e<t;e++)r.readSEG()}else r.readUEG()}}r.readBool(),r.readBool(),r.readBool()&&(r.readByte(),r.readUEG(),r.readUEG(),r.readBool());let k=r.readUEG(),D=0;for(let e=0;e<k;e++){let t=!1;if(0!==e&&(t=r.readBool()),t){e===k&&r.readUEG(),r.readBool(),r.readUEG();let t=0;for(let e=0;e<=D;e++){let e=r.readBool(),i=!1;e||(i=r.readBool()),(e||i)&&t++}D=t}else{let e=r.readUEG(),t=r.readUEG();D=e+t;for(let t=0;t<e;t++)r.readUEG(),r.readBool();for(let e=0;e<t;e++)r.readUEG(),r.readBool()}}if(r.readBool()){let e=r.readUEG();for(let t=0;t<e;t++){for(let e=0;e<C+4;e++)r.readBits(1);r.readBits(1)}}let I=!1,P=0,F=1,L=1,R=!1,z=1,M=1;if(r.readBool(),r.readBool(),r.readBool()){if(r.readBool()){let e=r.readByte();e>0&&e<=16?(F=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][e-1],L=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][e-1]):255===e&&(F=r.readBits(16),L=r.readBits(16))}if(r.readBool()&&r.readBool(),r.readBool()){r.readBits(3),r.readBool(),r.readBool()&&(r.readByte(),r.readByte(),r.readByte())}if(r.readBool()&&(r.readUEG(),r.readUEG()),r.readBool(),r.readBool(),r.readBool(),I=r.readBool(),I&&(r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG()),r.readBool()){if(z=r.readBits(32),M=r.readBits(32),r.readBool()&&r.readUEG(),r.readBool()){let e=!1,t=!1,i=!1;e=r.readBool(),t=r.readBool(),(e||t)&&(i=r.readBool(),i&&(r.readByte(),r.readBits(5),r.readBool(),r.readBits(5)),r.readBits(4),r.readBits(4),i&&r.readBits(4),r.readBits(5),r.readBits(5),r.readBits(5));for(let s=0;s<=o;s++){let s=r.readBool();R=s;let a=!0,n=1;s||(a=r.readBool());let o=!1;if(a?r.readUEG():o=r.readBool(),o||(n=r.readUEG()+1),e){for(let e=0;e<n;e++)r.readUEG(),r.readUEG(),i&&(r.readUEG(),r.readUEG());r.readBool()}if(t){for(let e=0;e<n;e++)r.readUEG(),r.readUEG(),i&&(r.readUEG(),r.readUEG());r.readBool()}}}}r.readBool()&&(r.readBool(),r.readBool(),r.readBool(),P=r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG())}r.readBool();let N=`hvc1.${u}.1.L${w}.B0`,O=A-(i+s)*(1===U||2===U?2:1),G=x-(a+n)*(1===U?2:1),$=1;return 1!==F&&1!==L&&($=F/L),r.destroy(),r=null,{codec_mimetype:N,profile_string:Er.getProfileString(u),level_string:Er.getLevelString(w),profile_idc:u,bit_depth:B+8,ref_frames:1,chroma_format:U,chroma_format_string:Er.getChromaFormatString(U),general_level_idc:w,general_profile_space:d,general_tier_flag:l,general_profile_idc:u,general_profile_compatibility_flags_1:c,general_profile_compatibility_flags_2:h,general_profile_compatibility_flags_3:f,general_profile_compatibility_flags_4:p,general_constraint_indicator_flags_1:m,general_constraint_indicator_flags_2:_,general_constraint_indicator_flags_3:g,general_constraint_indicator_flags_4:y,general_constraint_indicator_flags_5:b,general_constraint_indicator_flags_6:v,min_spatial_segmentation_idc:P,constant_frame_rate:0,chroma_format_idc:U,bit_depth_luma_minus8:B,bit_depth_chroma_minus8:T,frame_rate:{fixed:R,fps:M/z,fps_den:z,fps_num:M},sar_ratio:{width:F,height:L},codec_size:{width:O,height:G},present_size:{width:O*$,height:G}}}static parsePPS(e){let t=Er._ebsp2rbsp(e),r=new It(t);r.readByte(),r.readByte(),r.readUEG(),r.readUEG(),r.readBool(),r.readBool(),r.readBits(3),r.readBool(),r.readBool(),r.readUEG(),r.readUEG(),r.readSEG(),r.readBool(),r.readBool(),r.readBool()&&r.readUEG(),r.readSEG(),r.readSEG(),r.readBool(),r.readBool(),r.readBool(),r.readBool();let i=r.readBool(),s=r.readBool(),a=1;return s&&i?a=0:s?a=3:i&&(a=2),{parallelismType:a}}static getChromaFormatString(e){switch(e){case 0:return"4:0:0";case 1:return"4:2:0";case 2:return"4:2:2";case 3:return"4:4:4";default:return"Unknown"}}static getProfileString(e){switch(e){case 1:return"Main";case 2:return"Main10";case 3:return"MainSP";case 4:return"Rext";case 9:return"SCC";default:return"Unknown"}}static getLevelString(e){return(e/30).toFixed(1)}}function Ur(e){let t={codecWidth:0,codecHeight:0,videoType:gt,width:0,height:0,profile:0,level:0};e=e.slice(5);do{let r={};if(e.length<23){console.warn("parseHEVCDecoderConfigurationRecord$2",`arrayBuffer.length ${e.length} < 23`);break}if(r.configurationVersion=e[0],1!=r.configurationVersion)break;r.general_profile_space=e[1]>>6&3,r.general_tier_flag=e[1]>>5&1,r.general_profile_idc=31&e[1],r.general_profile_compatibility_flags=e[2]<<24|e[3]<<16|e[4]<<8|e[5],r.general_constraint_indicator_flags=e[6]<<24|e[7]<<16|e[8]<<8|e[9],r.general_constraint_indicator_flags=r.general_constraint_indicator_flags<<16|e[10]<<8|e[11],r.general_level_idc=e[12],r.min_spatial_segmentation_idc=(15&e[13])<<8|e[14],r.parallelismType=3&e[15],r.chromaFormat=3&e[16],r.bitDepthLumaMinus8=7&e[17],r.bitDepthChromaMinus8=7&e[18],r.avgFrameRate=e[19]<<8|e[20],r.constantFrameRate=e[21]>>6&3,r.numTemporalLayers=e[21]>>3&7,r.temporalIdNested=e[21]>>2&1,r.lengthSizeMinusOne=3&e[21];let i=e[22],s=e.slice(23);for(let e=0;e<i&&!(s.length<3);e++){let e=63&s[0],i=s[1]<<8|s[2];s=s.slice(3);for(let a=0;a<i&&!(s.length<2);a++){let i=s[0]<<8|s[1];if(s.length<2+i)break;if(s=s.slice(2),33==e){let e=new Uint8Array(i);e.set(s.slice(0,i),0),r.psps=xr(e,r),t.profile=r.general_profile_idc,t.level=r.general_level_idc/30,t.width=r.psps.pic_width_in_luma_samples-(r.psps.conf_win_left_offset+r.psps.conf_win_right_offset),t.height=r.psps.pic_height_in_luma_samples-(r.psps.conf_win_top_offset+r.psps.conf_win_bottom_offset)}s=s.slice(i)}}}while(0);return t.codecWidth=t.width||1920,t.codecHeight=t.height||1080,t.presentHeight=t.codecHeight,t.presentWidth=t.codecWidth,t.timescale=1e3,t.refSampleDuration=1e3/23976*1e3,t}function Ar(e){const t=e;if(t.length<22)return console.error(`Invalid HEVCDecoderConfigurationRecord, lack of data! ${t.length} < 22`),{};let r={codecWidth:0,codecHeight:0,videoType:gt},i=function(){let e=new ArrayBuffer(2);return new DataView(e).setInt16(0,256,!0),256===new Int16Array(e)[0]}(),s=new DataView(t.buffer),a=s.getUint8(0),n=31&s.getUint8(1);if(1!==a||0===n)return console.error(`Invalid HEVCDecoderConfigurationRecord,version is ${a}, hevcProfile is ${n}`),{};let o=1+(3&s.getUint8(21));if(3!==o&&4!==o)return console.error("Invalid HEVCDecoderConfigurationRecord, Strange NaluLengthSizeMinusOne: "+(o-1)),{};let d=s.getUint8(22);for(let e=0,a=23;e<d;e++){let e=63&s.getUint8(a+0),n=s.getUint16(a+1,!i);a+=3;for(let o=0;o<n;o++){let n=s.getUint16(a+0,!i);if(0===o)if(33===e){a+=2;let e=new Uint8Array(t.buffer,a,n),i=Er.parseSPS(e);r.codecWidth=i.codec_size.width,r.codecHeight=i.codec_size.height,r.presentWidth=i.present_size.width,r.presentHeight=i.present_size.height,r.profile=i.profile_string,r.level=i.level_string,r.bitDepth=i.bit_depth,r.chromaFormat=i.chroma_format,r.sarRatio=i.sar_ratio,r.frameRate=i.frame_rate,!1!==i.frame_rate.fixed&&0!==i.frame_rate.fps_num&&0!==i.frame_rate.fps_den||(r.frameRate={fixed:!0,fps:23.976,fps_num:23976,fps_den:1e3}),r.frameRate.fps_den,r.frameRate.fps_num,r.codec=i.codec_mimetype,a+=n}else a+=2+n;else a+=2+n}}return r.hvcc=new Uint8Array(t),r}function xr(e,t){let r={},i=e.length,s=[],a=new cr(e);a.read(1),a.read(6),a.read(6),a.read(3);for(let e=2;e<i;e++)e+2<i&&3==a.look(24)?(s.push(a.read(8)),s.push(a.read(8)),e+=2,a.read(8)):s.push(a.read(8));let n=new Uint8Array(s),o=new cr(n);if(r.sps_video_parameter_set_id=o.read(4),r.sps_max_sub_layers_minus1=o.read(3),r.sps_temporal_id_nesting_flag=o.read(1),r.profile_tier_level=function(e,t,r){let i={};i.profile_space=e.read(2),i.tier_flag=e.read(1),i.profile_idc=e.read(5),i.profile_compatibility_flags=e.read(32),i.general_progressive_source_flag=e.read(1),i.general_interlaced_source_flag=e.read(1),i.general_non_packed_constraint_flag=e.read(1),i.general_frame_only_constraint_flag=e.read(1),e.read(32),e.read(12),i.level_idc=e.read(8),i.sub_layer_profile_present_flag=[],i.sub_layer_level_present_flag=[];for(let t=0;t<r;t++)i.sub_layer_profile_present_flag[t]=e.read(1),i.sub_layer_level_present_flag[t]=e.read(1);if(r>0)for(let t=r;t<8;t++)e.read(2);i.sub_layer_profile_space=[],i.sub_layer_tier_flag=[],i.sub_layer_profile_idc=[],i.sub_layer_profile_compatibility_flag=[],i.sub_layer_progressive_source_flag=[],i.sub_layer_interlaced_source_flag=[],i.sub_layer_non_packed_constraint_flag=[],i.sub_layer_frame_only_constraint_flag=[],i.sub_layer_level_idc=[];for(let t=0;t<r;t++)i.sub_layer_profile_present_flag[t]&&(i.sub_layer_profile_space[t]=e.read(2),i.sub_layer_tier_flag[t]=e.read(1),i.sub_layer_profile_idc[t]=e.read(5),i.sub_layer_profile_compatibility_flag[t]=e.read(32),i.sub_layer_progressive_source_flag[t]=e.read(1),i.sub_layer_interlaced_source_flag[t]=e.read(1),i.sub_layer_non_packed_constraint_flag[t]=e.read(1),i.sub_layer_frame_only_constraint_flag[t]=e.read(1),e.read(32),e.read(12)),i.sub_layer_level_present_flag[t]?i.sub_layer_level_idc[t]=e.read(8):i.sub_layer_level_idc[t]=1;return i}(o,0,r.sps_max_sub_layers_minus1),r.sps_seq_parameter_set_id=o.read_golomb(),r.chroma_format_idc=o.read_golomb(),3==r.chroma_format_idc?r.separate_colour_plane_flag=o.read(1):r.separate_colour_plane_flag=0,r.pic_width_in_luma_samples=o.read_golomb(),r.pic_height_in_luma_samples=o.read_golomb(),r.conformance_window_flag=o.read(1),r.conformance_window_flag){let e=1+(r.chroma_format_idc<2),t=1+(r.chroma_format_idc<3);r.conf_win_left_offset=o.read_golomb()*t,r.conf_win_right_offset=o.read_golomb()*t,r.conf_win_top_offset=o.read_golomb()*e,r.conf_win_bottom_offset=o.read_golomb()*e}else r.conf_win_left_offset=0,r.conf_win_right_offset=0,r.conf_win_top_offset=0,r.conf_win_bottom_offset=0;return r}function Br({vps:e,pps:t,sps:r}){let i={configurationVersion:1};const s=(e=>{let t=wr(e),r=new It(t);return r.readByte(),r.readByte(),r.readBits(4),r.readBits(2),r.readBits(6),{num_temporal_layers:r.readBits(3)+1,temporal_id_nested:r.readBool()}})(e),a=(e=>{let t=wr(e),r=new It(t);r.readByte(),r.readByte();let i=0,s=0,a=0,n=0;r.readBits(4);let o=r.readBits(3);r.readBool();let d=r.readBits(2),l=r.readBool(),u=r.readBits(5),c=r.readByte(),h=r.readByte(),f=r.readByte(),p=r.readByte(),m=r.readByte(),_=r.readByte(),g=r.readByte(),y=r.readByte(),b=r.readByte(),v=r.readByte(),w=r.readByte(),S=[],E=[];for(let e=0;e<o;e++)S.push(r.readBool()),E.push(r.readBool());if(o>0)for(let e=o;e<8;e++)r.readBits(2);for(let e=0;e<o;e++)S[e]&&(r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte()),S[e]&&r.readByte();r.readUEG();let U=r.readUEG();3==U&&r.readBits(1);let A=r.readUEG(),x=r.readUEG();r.readBool()&&(i+=r.readUEG(),s+=r.readUEG(),a+=r.readUEG(),n+=r.readUEG());let B=r.readUEG(),T=r.readUEG(),C=r.readUEG();for(let e=r.readBool()?0:o;e<=o;e++)r.readUEG(),r.readUEG(),r.readUEG();if(r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readBool()&&r.readBool())for(let e=0;e<4;e++)for(let t=0;t<(3===e?2:6);t++)if(r.readBool()){let t=Math.min(64,1<<4+(e<<1));e>1&&r.readSEG();for(let e=0;e<t;e++)r.readSEG()}else r.readUEG();r.readBool(),r.readBool(),r.readBool()&&(r.readByte(),r.readUEG(),r.readUEG(),r.readBool());let k=r.readUEG(),D=0;for(let e=0;e<k;e++){let t=!1;if(0!==e&&(t=r.readBool()),t){e===k&&r.readUEG(),r.readBool(),r.readUEG();let t=0;for(let e=0;e<=D;e++){let e=r.readBool(),i=!1;e||(i=r.readBool()),(e||i)&&t++}D=t}else{let e=r.readUEG(),t=r.readUEG();D=e+t;for(let t=0;t<e;t++)r.readUEG(),r.readBool();for(let e=0;e<t;e++)r.readUEG(),r.readBool()}}if(r.readBool()){let e=r.readUEG();for(let t=0;t<e;t++){for(let e=0;e<C+4;e++)r.readBits(1);r.readBits(1)}}let I=!1,P=0,F=1,L=1,R=!1,z=1,M=1;if(r.readBool(),r.readBool(),r.readBool()){if(r.readBool()){let e=r.readByte();e>0&&e<16?(F=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][e-1],L=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][e-1]):255===e&&(F=r.readBits(16),L=r.readBits(16))}if(r.readBool()&&r.readBool(),r.readBool()&&(r.readBits(3),r.readBool(),r.readBool()&&(r.readByte(),r.readByte(),r.readByte())),r.readBool()&&(r.readUEG(),r.readUEG()),r.readBool(),r.readBool(),r.readBool(),I=r.readBool(),I&&(i+=r.readUEG(),s+=r.readUEG(),a+=r.readUEG(),n+=r.readUEG()),r.readBool()&&(z=r.readBits(32),M=r.readBits(32),r.readBool()&&(r.readUEG(),r.readBool()))){let e=!1,t=!1,i=!1;e=r.readBool(),t=r.readBool(),(e||t)&&(i=r.readBool(),i&&(r.readByte(),r.readBits(5),r.readBool(),r.readBits(5)),r.readBits(4),r.readBits(4),i&&r.readBits(4),r.readBits(5),r.readBits(5),r.readBits(5));for(let s=0;s<=o;s++){let s=r.readBool();R=s;let a=!1,n=1;s||(a=r.readBool());let o=!1;if(a?r.readSEG():o=r.readBool(),o||(cpbcnt=r.readUEG()+1),e)for(let e=0;e<n;e++)r.readUEG(),r.readUEG(),i&&(r.readUEG(),r.readUEG());if(t)for(let e=0;e<n;e++)r.readUEG(),r.readUEG(),i&&(r.readUEG(),r.readUEG())}}r.readBool()&&(r.readBool(),r.readBool(),r.readBool(),P=r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG())}r.readBool();let N=`hvc1.${u}.1.L${w}.B0`,O=A,G=x,$=1;return 1!==F&&1!==L&&($=F/L),r.destroy(),r=null,{codec_mimetype:N,level_string:(H=w,(H/30).toFixed(1)),profile_idc:u,bit_depth:B+8,ref_frames:1,chroma_format:U,chroma_format_string:Sr(U),general_level_idc:w,general_profile_space:d,general_tier_flag:l,general_profile_idc:u,general_profile_compatibility_flags_1:c,general_profile_compatibility_flags_2:h,general_profile_compatibility_flags_3:f,general_profile_compatibility_flags_4:p,general_constraint_indicator_flags_1:m,general_constraint_indicator_flags_2:_,general_constraint_indicator_flags_3:g,general_constraint_indicator_flags_4:y,general_constraint_indicator_flags_5:b,general_constraint_indicator_flags_6:v,min_spatial_segmentation_idc:P,constant_frame_rate:0,chroma_format_idc:U,bit_depth_luma_minus8:B,bit_depth_chroma_minus8:T,frame_rate:{fixed:R,fps:M/z,fps_den:z,fps_num:M},sar_ratio:{width:F,height:L},codec_size:{width:O,height:G},present_size:{width:O*$,height:G}};var H})(r),n=(e=>{let t=wr(e),r=new It(t);r.readByte(),r.readByte(),r.readUEG(),r.readUEG(),r.readBool(),r.readBool(),r.readBits(3),r.readBool(),r.readBool(),r.readUEG(),r.readUEG(),r.readSEG(),r.readBool(),r.readBool(),r.readBool()&&r.readUEG(),r.readSEG(),r.readSEG(),r.readBool(),r.readBool(),r.readBool(),r.readBool();let i=r.readBool(),s=r.readBool(),a=1;return s&&i?a=0:s?a=3:i&&(a=2),{parallelismType:a}})(t);i=Object.assign(i,s,a,n);let o=23+(5+e.byteLength)+(5+r.byteLength)+(5+t.byteLength),d=new Uint8Array(o);d[0]=1,d[1]=(3&i.general_profile_space)<<6|(i.general_tier_flag?1:0)<<5|31&i.general_profile_idc,d[2]=i.general_profile_compatibility_flags_1||0,d[3]=i.general_profile_compatibility_flags_2||0,d[4]=i.general_profile_compatibility_flags_3||0,d[5]=i.general_profile_compatibility_flags_4||0,d[6]=i.general_constraint_indicator_flags_1||0,d[7]=i.general_constraint_indicator_flags_2||0,d[8]=i.general_constraint_indicator_flags_3||0,d[9]=i.general_constraint_indicator_flags_4||0,d[10]=i.general_constraint_indicator_flags_5||0,d[11]=i.general_constraint_indicator_flags_6||0,d[12]=60,d[13]=240|(3840&i.min_spatial_segmentation_idc)>>8,d[14]=255&i.min_spatial_segmentation_idc,d[15]=252|3&i.parallelismType,d[16]=252|3&i.chroma_format_idc,d[17]=248|7&i.bit_depth_luma_minus8,d[18]=248|7&i.bit_depth_chroma_minus8,d[19]=0,d[20]=0,d[21]=(3&i.constant_frame_rate)<<6|(7&i.num_temporal_layers)<<3|(i.temporal_id_nested?1:0)<<2|3,d[22]=3,d[23]=128|qe,d[24]=0,d[25]=1,d[26]=(65280&e.byteLength)>>8,d[27]=255&e.byteLength,d.set(e,28),d[23+(5+e.byteLength)+0]=128|Ke,d[23+(5+e.byteLength)+1]=0,d[23+(5+e.byteLength)+2]=1,d[23+(5+e.byteLength)+3]=(65280&r.byteLength)>>8,d[23+(5+e.byteLength)+4]=255&r.byteLength,d.set(r,23+(5+e.byteLength)+5),d[23+(5+e.byteLength+5+r.byteLength)+0]=128|Ze,d[23+(5+e.byteLength+5+r.byteLength)+1]=0,d[23+(5+e.byteLength+5+r.byteLength)+2]=1,d[23+(5+e.byteLength+5+r.byteLength)+3]=(65280&t.byteLength)>>8,d[23+(5+e.byteLength+5+r.byteLength)+4]=255&t.byteLength,d.set(t,23+(5+e.byteLength+5+r.byteLength)+5);const l=[28,0,0,0,0],u=new Uint8Array(l.length+d.byteLength);return u.set(l,0),u.set(d,l.length),u}function Tr(e,t){let r=[];r[0]=t?28:44,r[1]=1,r[2]=0,r[3]=0,r[4]=0;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}function Cr(e){return(126&e[0])>>1}function kr(e){return!function(e){return e>=32&&e<=40}(e)}function Dr(e){return e>=16&&e<=21}class Ir{constructor(e){this.data=e,this.eofFlag=!1,this.currentStartcodeOffset=this.findNextStartCodeOffset(0),this.eofFlag&&console.error("Could not find H265 startcode until payload end!")}findNextStartCodeOffset(e){let t=e,r=this.data;for(;;){if(t+3>=r.byteLength)return this.eofFlag=!0,r.byteLength;let e=r[t+0]<<24|r[t+1]<<16|r[t+2]<<8|r[t+3],i=r[t+0]<<16|r[t+1]<<8|r[t+2];if(1===e||1===i)return t;t++}}readNextNaluPayload(){let e=this.data,t=null;for(;null==t&&!this.eofFlag;){let r=this.currentStartcodeOffset;r+=1===(e[r]<<24|e[r+1]<<16|e[r+2]<<8|e[r+3])?4:3;let i=e[r]>>1&63,s=(128&e[r])>>>7,a=this.findNextStartCodeOffset(r);this.currentStartcodeOffset=a,0===s&&(t={type:i,data:e.subarray(r,a)})}return t}}class Pr{constructor(e){let t=e.data.byteLength;this.type=e.type,this.data=new Uint8Array(4+t),new DataView(this.data.buffer).setUint32(0,t),this.data.set(e.data,4)}}function Fr(e){return parseInt(e)===e}function Lr(e){if(!Fr(e.length))return!1;for(var t=0;t<e.length;t++)if(!Fr(e[t])||e[t]<0||e[t]>255)return!1;return!0}function Rr(e,t){if(e.buffer&&"Uint8Array"===e.name)return t&&(e=e.slice?e.slice():Array.prototype.slice.call(e)),e;if(Array.isArray(e)){if(!Lr(e))throw new Error("Array contains invalid value: "+e);return new Uint8Array(e)}if(Fr(e.length)&&Lr(e))return new Uint8Array(e);throw new Error("unsupported array-like object")}function zr(e){return new Uint8Array(e)}function Mr(e,t,r,i,s){null==i&&null==s||(e=e.slice?e.slice(i,s):Array.prototype.slice.call(e,i,s)),t.set(e,r)}var Nr,Or={toBytes:function(e){var 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si(e){for(var t=[],r=0;r<e.length;r+=4)t.push(e[r]<<24|e[r+1]<<16|e[r+2]<<8|e[r+3]);return t}var ai=function(e){if(!(this instanceof ai))throw Error("AES must be instanitated with `new`");Object.defineProperty(this,"key",{value:Rr(e,!0)}),this._prepare()};ai.prototype._prepare=function(){var e=$r[this.key.length];if(null==e)throw new Error("invalid key size (must be 16, 24 or 32 bytes)");this._Ke=[],this._Kd=[];for(var t=0;t<=e;t++)this._Ke.push([0,0,0,0]),this._Kd.push([0,0,0,0]);var r,i=4*(e+1),s=this.key.length/4,a=si(this.key);for(t=0;t<s;t++)r=t>>2,this._Ke[r][t%4]=a[t],this._Kd[e-r][t%4]=a[t];for(var n,o=0,d=s;d<i;){if(n=a[s-1],a[0]^=Vr[n>>16&255]<<24^Vr[n>>8&255]<<16^Vr[255&n]<<8^Vr[n>>24&255]^Hr[o]<<24,o+=1,8!=s)for(t=1;t<s;t++)a[t]^=a[t-1];else{for(t=1;t<s/2;t++)a[t]^=a[t-1];n=a[s/2-1],a[s/2]^=Vr[255&n]^Vr[n>>8&255]<<8^Vr[n>>16&255]<<16^Vr[n>>24&255]<<24;for(t=s/2+1;t<s;t++)a[t]^=a[t-1]}for(t=0;t<s&&d<i;)l=d>>2,u=d%4,this._Ke[l][u]=a[t],this._Kd[e-l][u]=a[t++],d++}for(var l=1;l<e;l++)for(var u=0;u<4;u++)n=this._Kd[l][u],this._Kd[l][u]=ei[n>>24&255]^ti[n>>16&255]^ri[n>>8&255]^ii[255&n]},ai.prototype.encrypt=function(e){if(16!=e.length)throw new Error("invalid plaintext size (must be 16 bytes)");for(var t=this._Ke.length-1,r=[0,0,0,0],i=si(e),s=0;s<4;s++)i[s]^=this._Ke[0][s];for(var a=1;a<t;a++){for(s=0;s<4;s++)r[s]=jr[i[s]>>24&255]^qr[i[(s+1)%4]>>16&255]^Yr[i[(s+2)%4]>>8&255]^Kr[255&i[(s+3)%4]]^this._Ke[a][s];i=r.slice()}var n,o=zr(16);for(s=0;s<4;s++)n=this._Ke[t][s],o[4*s]=255&(Vr[i[s]>>24&255]^n>>24),o[4*s+1]=255&(Vr[i[(s+1)%4]>>16&255]^n>>16),o[4*s+2]=255&(Vr[i[(s+2)%4]>>8&255]^n>>8),o[4*s+3]=255&(Vr[255&i[(s+3)%4]]^n);return o},ai.prototype.decrypt=function(e){if(16!=e.length)throw new Error("invalid ciphertext size (must be 16 bytes)");for(var t=this._Kd.length-1,r=[0,0,0,0],i=si(e),s=0;s<4;s++)i[s]^=this._Kd[0][s];for(var a=1;a<t;a++){for(s=0;s<4;s++)r[s]=Xr[i[s]>>24&255]^Zr[i[(s+3)%4]>>16&255]^Jr[i[(s+2)%4]>>8&255]^Qr[255&i[(s+1)%4]]^this._Kd[a][s];i=r.slice()}var n,o=zr(16);for(s=0;s<4;s++)n=this._Kd[t][s],o[4*s]=255&(Wr[i[s]>>24&255]^n>>24),o[4*s+1]=255&(Wr[i[(s+3)%4]>>16&255]^n>>16),o[4*s+2]=255&(Wr[i[(s+2)%4]>>8&255]^n>>8),o[4*s+3]=255&(Wr[255&i[(s+1)%4]]^n);return o};var ni=function(e){if(!(this instanceof ni))throw Error("AES must be instanitated with `new`");this.description="Electronic Code Block",this.name="ecb",this._aes=new ai(e)};ni.prototype.encrypt=function(e){if((e=Rr(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=zr(e.length),r=zr(16),i=0;i<e.length;i+=16)Mr(e,r,0,i,i+16),Mr(r=this._aes.encrypt(r),t,i);return t},ni.prototype.decrypt=function(e){if((e=Rr(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=zr(e.length),r=zr(16),i=0;i<e.length;i+=16)Mr(e,r,0,i,i+16),Mr(r=this._aes.decrypt(r),t,i);return t};var oi=function(e,t){if(!(this instanceof oi))throw Error("AES must be instanitated with `new`");if(this.description="Cipher Block Chaining",this.name="cbc",t){if(16!=t.length)throw new Error("invalid initialation vector size (must be 16 bytes)")}else t=zr(16);this._lastCipherblock=Rr(t,!0),this._aes=new ai(e)};oi.prototype.encrypt=function(e){if((e=Rr(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=zr(e.length),r=zr(16),i=0;i<e.length;i+=16){Mr(e,r,0,i,i+16);for(var s=0;s<16;s++)r[s]^=this._lastCipherblock[s];this._lastCipherblock=this._aes.encrypt(r),Mr(this._lastCipherblock,t,i)}return t},oi.prototype.decrypt=function(e){if((e=Rr(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=zr(e.length),r=zr(16),i=0;i<e.length;i+=16){Mr(e,r,0,i,i+16),r=this._aes.decrypt(r);for(var s=0;s<16;s++)t[i+s]=r[s]^this._lastCipherblock[s];Mr(e,this._lastCipherblock,0,i,i+16)}return t};var di=function(e,t,r){if(!(this instanceof di))throw Error("AES must be instanitated with `new`");if(this.description="Cipher Feedback",this.name="cfb",t){if(16!=t.length)throw new Error("invalid initialation vector size (must be 16 size)")}else t=zr(16);r||(r=1),this.segmentSize=r,this._shiftRegister=Rr(t,!0),this._aes=new ai(e)};di.prototype.encrypt=function(e){if(e.length%this.segmentSize!=0)throw new Error("invalid plaintext size (must be segmentSize bytes)");for(var t,r=Rr(e,!0),i=0;i<r.length;i+=this.segmentSize){t=this._aes.encrypt(this._shiftRegister);for(var s=0;s<this.segmentSize;s++)r[i+s]^=t[s];Mr(this._shiftRegister,this._shiftRegister,0,this.segmentSize),Mr(r,this._shiftRegister,16-this.segmentSize,i,i+this.segmentSize)}return r},di.prototype.decrypt=function(e){if(e.length%this.segmentSize!=0)throw new Error("invalid ciphertext size (must be segmentSize bytes)");for(var t,r=Rr(e,!0),i=0;i<r.length;i+=this.segmentSize){t=this._aes.encrypt(this._shiftRegister);for(var s=0;s<this.segmentSize;s++)r[i+s]^=t[s];Mr(this._shiftRegister,this._shiftRegister,0,this.segmentSize),Mr(e,this._shiftRegister,16-this.segmentSize,i,i+this.segmentSize)}return r};var li=function(e,t){if(!(this instanceof li))throw Error("AES must be instanitated with `new`");if(this.description="Output Feedback",this.name="ofb",t){if(16!=t.length)throw new Error("invalid initialation vector size (must be 16 bytes)")}else t=zr(16);this._lastPrecipher=Rr(t,!0),this._lastPrecipherIndex=16,this._aes=new ai(e)};li.prototype.encrypt=function(e){for(var t=Rr(e,!0),r=0;r<t.length;r++)16===this._lastPrecipherIndex&&(this._lastPrecipher=this._aes.encrypt(this._lastPrecipher),this._lastPrecipherIndex=0),t[r]^=this._lastPrecipher[this._lastPrecipherIndex++];return t},li.prototype.decrypt=li.prototype.encrypt;var ui=function(e){if(!(this instanceof ui))throw Error("Counter must be instanitated with `new`");0===e||e||(e=1),"number"==typeof e?(this._counter=zr(16),this.setValue(e)):this.setBytes(e)};ui.prototype.setValue=function(e){if("number"!=typeof e||parseInt(e)!=e)throw new Error("invalid counter value (must be an integer)");if(e>Number.MAX_SAFE_INTEGER)throw new Error("integer value out of safe range");for(var t=15;t>=0;--t)this._counter[t]=e%256,e=parseInt(e/256)},ui.prototype.setBytes=function(e){if(16!=(e=Rr(e,!0)).length)throw new Error("invalid counter bytes size (must be 16 bytes)");this._counter=e},ui.prototype.increment=function(){for(var e=15;e>=0;e--){if(255!==this._counter[e]){this._counter[e]++;break}this._counter[e]=0}};var ci=function(e,t){if(!(this instanceof ci))throw Error("AES must be instanitated with `new`");this.description="Counter",this.name="ctr",t instanceof ui||(t=new ui(t)),this._counter=t,this._remainingCounter=null,this._remainingCounterIndex=16,this._aes=new ai(e)};ci.prototype.encrypt=function(e){for(var t=Rr(e,!0),r=0;r<t.length;r++)16===this._remainingCounterIndex&&(this._remainingCounter=this._aes.encrypt(this._counter._counter),this._remainingCounterIndex=0,this._counter.increment()),t[r]^=this._remainingCounter[this._remainingCounterIndex++];return t},ci.prototype.decrypt=ci.prototype.encrypt;const hi={AES:ai,Counter:ui,ModeOfOperation:{ecb:ni,cbc:oi,cfb:di,ofb:li,ctr:ci},utils:{hex:Gr,utf8:Or},padding:{pkcs7:{pad:function(e){var t=16-(e=Rr(e,!0)).length%16,r=zr(e.length+t);Mr(e,r);for(var i=e.length;i<r.length;i++)r[i]=t;return r},strip:function(e){if((e=Rr(e,!0)).length<16)throw new Error("PKCS#7 invalid length");var t=e[e.length-1];if(t>16)throw new Error("PKCS#7 padding byte out of range");for(var r=e.length-t,i=0;i<t;i++)if(e[r+i]!==t)throw new Error("PKCS#7 invalid padding byte");var s=zr(r);return Mr(e,s,0,0,r),s}}},_arrayTest:{coerceArray:Rr,createArray:zr,copyArray:Mr}};var fi=Dt((function(e,t){var r,s,a,n=(r=new Date,s=4,a={setLogLevel:function(e){s=e==this.debug?1:e==this.info?2:e==this.warn?3:(this.error,4)},debug:function(e,t){void 0===console.debug&&(console.debug=console.log),1>=s&&console.debug("["+n.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},log:function(e,t){this.debug(e.msg)},info:function(e,t){2>=s&&console.info("["+n.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},warn:function(e,t){3>=s&&console.warn("["+n.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},error:function(e,t){4>=s&&console.error("["+n.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)}},a);n.getDurationString=function(e,t){var r;function i(e,t){for(var r=(""+e).split(".");r[0].length<t;)r[0]="0"+r[0];return r.join(".")}e<0?(r=!0,e=-e):r=!1;var s=e/(t||1),a=Math.floor(s/3600);s-=3600*a;var n=Math.floor(s/60),o=1e3*(s-=60*n);return o-=1e3*(s=Math.floor(s)),o=Math.floor(o),(r?"-":"")+a+":"+i(n,2)+":"+i(s,2)+"."+i(o,3)},n.printRanges=function(e){var t=e.length;if(t>0){for(var r="",i=0;i<t;i++)i>0&&(r+=","),r+="["+n.getDurationString(e.start(i))+","+n.getDurationString(e.end(i))+"]";return r}return"(empty)"},t.Log=n;var o=function(e){if(!(e instanceof ArrayBuffer))throw"Needs an array buffer";this.buffer=e,this.dataview=new DataView(e),this.position=0};o.prototype.getPosition=function(){return this.position},o.prototype.getEndPosition=function(){return this.buffer.byteLength},o.prototype.getLength=function(){return this.buffer.byteLength},o.prototype.seek=function(e){var t=Math.max(0,Math.min(this.buffer.byteLength,e));return this.position=isNaN(t)||!isFinite(t)?0:t,!0},o.prototype.isEos=function(){return this.getPosition()>=this.getEndPosition()},o.prototype.readAnyInt=function(e,t){var r=0;if(this.position+e<=this.buffer.byteLength){switch(e){case 1:r=t?this.dataview.getInt8(this.position):this.dataview.getUint8(this.position);break;case 2:r=t?this.dataview.getInt16(this.position):this.dataview.getUint16(this.position);break;case 3:if(t)throw"No method for reading signed 24 bits values";r=this.dataview.getUint8(this.position)<<16,r|=this.dataview.getUint8(this.position+1)<<8,r|=this.dataview.getUint8(this.position+2);break;case 4:r=t?this.dataview.getInt32(this.position):this.dataview.getUint32(this.position);break;case 8:if(t)throw"No method for reading signed 64 bits values";r=this.dataview.getUint32(this.position)<<32,r|=this.dataview.getUint32(this.position+4);break;default:throw"readInt method not implemented for size: "+e}return this.position+=e,r}throw"Not enough bytes in buffer"},o.prototype.readUint8=function(){return this.readAnyInt(1,!1)},o.prototype.readUint16=function(){return this.readAnyInt(2,!1)},o.prototype.readUint24=function(){return this.readAnyInt(3,!1)},o.prototype.readUint32=function(){return this.readAnyInt(4,!1)},o.prototype.readUint64=function(){return this.readAnyInt(8,!1)},o.prototype.readString=function(e){if(this.position+e<=this.buffer.byteLength){for(var t="",r=0;r<e;r++)t+=String.fromCharCode(this.readUint8());return t}throw"Not enough bytes in buffer"},o.prototype.readCString=function(){for(var e=[];;){var t=this.readUint8();if(0===t)break;e.push(t)}return String.fromCharCode.apply(null,e)},o.prototype.readInt8=function(){return this.readAnyInt(1,!0)},o.prototype.readInt16=function(){return this.readAnyInt(2,!0)},o.prototype.readInt32=function(){return this.readAnyInt(4,!0)},o.prototype.readInt64=function(){return this.readAnyInt(8,!1)},o.prototype.readUint8Array=function(e){for(var t=new Uint8Array(e),r=0;r<e;r++)t[r]=this.readUint8();return t},o.prototype.readInt16Array=function(e){for(var t=new Int16Array(e),r=0;r<e;r++)t[r]=this.readInt16();return t},o.prototype.readUint16Array=function(e){for(var t=new Int16Array(e),r=0;r<e;r++)t[r]=this.readUint16();return t},o.prototype.readUint32Array=function(e){for(var t=new Uint32Array(e),r=0;r<e;r++)t[r]=this.readUint32();return t},o.prototype.readInt32Array=function(e){for(var t=new Int32Array(e),r=0;r<e;r++)t[r]=this.readInt32();return t},t.MP4BoxStream=o;var d=function(e,t,r){this._byteOffset=t||0,e instanceof ArrayBuffer?this.buffer=e:"object"==typeof e?(this.dataView=e,t&&(this._byteOffset+=t)):this.buffer=new ArrayBuffer(e||0),this.position=0,this.endianness=null==r?d.LITTLE_ENDIAN:r};d.prototype={},d.prototype.getPosition=function(){return this.position},d.prototype._realloc=function(e){if(this._dynamicSize){var t=this._byteOffset+this.position+e,r=this._buffer.byteLength;if(t<=r)t>this._byteLength&&(this._byteLength=t);else{for(r<1&&(r=1);t>r;)r*=2;var i=new ArrayBuffer(r),s=new Uint8Array(this._buffer);new Uint8Array(i,0,s.length).set(s),this.buffer=i,this._byteLength=t}}},d.prototype._trimAlloc=function(){if(this._byteLength!=this._buffer.byteLength){var e=new ArrayBuffer(this._byteLength),t=new Uint8Array(e),r=new Uint8Array(this._buffer,0,t.length);t.set(r),this.buffer=e}},d.BIG_ENDIAN=!1,d.LITTLE_ENDIAN=!0,d.prototype._byteLength=0,Object.defineProperty(d.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}}),Object.defineProperty(d.prototype,"buffer",{get:function(){return this._trimAlloc(),this._buffer},set:function(e){this._buffer=e,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._buffer.byteLength}}),Object.defineProperty(d.prototype,"byteOffset",{get:function(){return this._byteOffset},set:function(e){this._byteOffset=e,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._buffer.byteLength}}),Object.defineProperty(d.prototype,"dataView",{get:function(){return this._dataView},set:function(e){this._byteOffset=e.byteOffset,this._buffer=e.buffer,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._byteOffset+e.byteLength}}),d.prototype.seek=function(e){var t=Math.max(0,Math.min(this.byteLength,e));this.position=isNaN(t)||!isFinite(t)?0:t},d.prototype.isEof=function(){return this.position>=this._byteLength},d.prototype.mapUint8Array=function(e){this._realloc(1*e);var t=new Uint8Array(this._buffer,this.byteOffset+this.position,e);return this.position+=1*e,t},d.prototype.readInt32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Int32Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readInt16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var r=new Int16Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readInt8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Int8Array(e);return d.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},d.prototype.readUint32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Uint32Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readUint16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var r=new Uint16Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readUint8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Uint8Array(e);return d.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},d.prototype.readFloat64Array=function(e,t){e=null==e?this.byteLength-this.position/8:e;var r=new Float64Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readFloat32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Float32Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readInt32=function(e){var t=this._dataView.getInt32(this.position,null==e?this.endianness:e);return this.position+=4,t},d.prototype.readInt16=function(e){var t=this._dataView.getInt16(this.position,null==e?this.endianness:e);return this.position+=2,t},d.prototype.readInt8=function(){var e=this._dataView.getInt8(this.position);return this.position+=1,e},d.prototype.readUint32=function(e){var t=this._dataView.getUint32(this.position,null==e?this.endianness:e);return this.position+=4,t},d.prototype.readUint16=function(e){var t=this._dataView.getUint16(this.position,null==e?this.endianness:e);return this.position+=2,t},d.prototype.readUint8=function(){var e=this._dataView.getUint8(this.position);return this.position+=1,e},d.prototype.readFloat32=function(e){var t=this._dataView.getFloat32(this.position,null==e?this.endianness:e);return this.position+=4,t},d.prototype.readFloat64=function(e){var t=this._dataView.getFloat64(this.position,null==e?this.endianness:e);return this.position+=8,t},d.endianness=new Int8Array(new Int16Array([1]).buffer)[0]>0,d.memcpy=function(e,t,r,i,s){var a=new Uint8Array(e,t,s),n=new Uint8Array(r,i,s);a.set(n)},d.arrayToNative=function(e,t){return t==this.endianness?e:this.flipArrayEndianness(e)},d.nativeToEndian=function(e,t){return this.endianness==t?e:this.flipArrayEndianness(e)},d.flipArrayEndianness=function(e){for(var t=new Uint8Array(e.buffer,e.byteOffset,e.byteLength),r=0;r<e.byteLength;r+=e.BYTES_PER_ELEMENT)for(var i=r+e.BYTES_PER_ELEMENT-1,s=r;i>s;i--,s++){var a=t[s];t[s]=t[i],t[i]=a}return e},d.prototype.failurePosition=0,String.fromCharCodeUint8=function(e){for(var t=[],r=0;r<e.length;r++)t[r]=e[r];return String.fromCharCode.apply(null,t)},d.prototype.readString=function(e,t){return null==t||"ASCII"==t?String.fromCharCodeUint8.apply(null,[this.mapUint8Array(null==e?this.byteLength-this.position:e)]):new TextDecoder(t).decode(this.mapUint8Array(e))},d.prototype.readCString=function(e){var t=this.byteLength-this.position,r=new Uint8Array(this._buffer,this._byteOffset+this.position),i=t;null!=e&&(i=Math.min(e,t));for(var s=0;s<i&&0!==r[s];s++);var a=String.fromCharCodeUint8.apply(null,[this.mapUint8Array(s)]);return null!=e?this.position+=i-s:s!=t&&(this.position+=1),a};var l=Math.pow(2,32);d.prototype.readInt64=function(){return this.readInt32()*l+this.readUint32()},d.prototype.readUint64=function(){return this.readUint32()*l+this.readUint32()},d.prototype.readInt64=function(){return this.readUint32()*l+this.readUint32()},d.prototype.readUint24=function(){return(this.readUint8()<<16)+(this.readUint8()<<8)+this.readUint8()},t.DataStream=d,d.prototype.save=function(e){var t=new Blob([this.buffer]);if(!window.URL||!URL.createObjectURL)throw"DataStream.save: Can't create object URL.";var r=window.URL.createObjectURL(t),i=document.createElement("a");document.body.appendChild(i),i.setAttribute("href",r),i.setAttribute("download",e),i.setAttribute("target","_self"),i.click(),window.URL.revokeObjectURL(r)},d.prototype._dynamicSize=!0,Object.defineProperty(d.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(e){e||this._trimAlloc(),this._dynamicSize=e}}),d.prototype.shift=function(e){var t=new ArrayBuffer(this._byteLength-e),r=new Uint8Array(t),i=new Uint8Array(this._buffer,e,r.length);r.set(i),this.buffer=t,this.position-=e},d.prototype.writeInt32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Int32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeInt32(e[r],t)},d.prototype.writeInt16Array=function(e,t){if(this._realloc(2*e.length),e instanceof Int16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt16Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeInt16(e[r],t)},d.prototype.writeInt8Array=function(e){if(this._realloc(1*e.length),e instanceof Int8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt8Array(e.length);else for(var t=0;t<e.length;t++)this.writeInt8(e[t])},d.prototype.writeUint32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Uint32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeUint32(e[r],t)},d.prototype.writeUint16Array=function(e,t){if(this._realloc(2*e.length),e instanceof Uint16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint16Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeUint16(e[r],t)},d.prototype.writeUint8Array=function(e){if(this._realloc(1*e.length),e instanceof Uint8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint8Array(e.length);else for(var t=0;t<e.length;t++)this.writeUint8(e[t])},d.prototype.writeFloat64Array=function(e,t){if(this._realloc(8*e.length),e instanceof Float64Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapFloat64Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeFloat64(e[r],t)},d.prototype.writeFloat32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Float32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapFloat32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeFloat32(e[r],t)},d.prototype.writeInt32=function(e,t){this._realloc(4),this._dataView.setInt32(this.position,e,null==t?this.endianness:t),this.position+=4},d.prototype.writeInt16=function(e,t){this._realloc(2),this._dataView.setInt16(this.position,e,null==t?this.endianness:t),this.position+=2},d.prototype.writeInt8=function(e){this._realloc(1),this._dataView.setInt8(this.position,e),this.position+=1},d.prototype.writeUint32=function(e,t){this._realloc(4),this._dataView.setUint32(this.position,e,null==t?this.endianness:t),this.position+=4},d.prototype.writeUint16=function(e,t){this._realloc(2),this._dataView.setUint16(this.position,e,null==t?this.endianness:t),this.position+=2},d.prototype.writeUint8=function(e){this._realloc(1),this._dataView.setUint8(this.position,e),this.position+=1},d.prototype.writeFloat32=function(e,t){this._realloc(4),this._dataView.setFloat32(this.position,e,null==t?this.endianness:t),this.position+=4},d.prototype.writeFloat64=function(e,t){this._realloc(8),this._dataView.setFloat64(this.position,e,null==t?this.endianness:t),this.position+=8},d.prototype.writeUCS2String=function(e,t,r){null==r&&(r=e.length);for(var i=0;i<e.length&&i<r;i++)this.writeUint16(e.charCodeAt(i),t);for(;i<r;i++)this.writeUint16(0)},d.prototype.writeString=function(e,t,r){var i=0;if(null==t||"ASCII"==t)if(null!=r){var s=Math.min(e.length,r);for(i=0;i<s;i++)this.writeUint8(e.charCodeAt(i));for(;i<r;i++)this.writeUint8(0)}else for(i=0;i<e.length;i++)this.writeUint8(e.charCodeAt(i));else this.writeUint8Array(new TextEncoder(t).encode(e.substring(0,r)))},d.prototype.writeCString=function(e,t){var r=0;if(null!=t){var i=Math.min(e.length,t);for(r=0;r<i;r++)this.writeUint8(e.charCodeAt(r));for(;r<t;r++)this.writeUint8(0)}else{for(r=0;r<e.length;r++)this.writeUint8(e.charCodeAt(r));this.writeUint8(0)}},d.prototype.writeStruct=function(e,t){for(var r=0;r<e.length;r+=2){var i=e[r+1];this.writeType(i,t[e[r]],t)}},d.prototype.writeType=function(e,t,r){var i;if("function"==typeof e)return e(this,t);if("object"==typeof e&&!(e instanceof Array))return e.set(this,t,r);var s=null,a="ASCII",n=this.position;switch("string"==typeof e&&/:/.test(e)&&(i=e.split(":"),e=i[0],s=parseInt(i[1])),"string"==typeof e&&/,/.test(e)&&(i=e.split(","),e=i[0],a=parseInt(i[1])),e){case"uint8":this.writeUint8(t);break;case"int8":this.writeInt8(t);break;case"uint16":this.writeUint16(t,this.endianness);break;case"int16":this.writeInt16(t,this.endianness);break;case"uint32":this.writeUint32(t,this.endianness);break;case"int32":this.writeInt32(t,this.endianness);break;case"float32":this.writeFloat32(t,this.endianness);break;case"float64":this.writeFloat64(t,this.endianness);break;case"uint16be":this.writeUint16(t,d.BIG_ENDIAN);break;case"int16be":this.writeInt16(t,d.BIG_ENDIAN);break;case"uint32be":this.writeUint32(t,d.BIG_ENDIAN);break;case"int32be":this.writeInt32(t,d.BIG_ENDIAN);break;case"float32be":this.writeFloat32(t,d.BIG_ENDIAN);break;case"float64be":this.writeFloat64(t,d.BIG_ENDIAN);break;case"uint16le":this.writeUint16(t,d.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(t,d.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(t,d.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(t,d.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(t,d.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(t,d.LITTLE_ENDIAN);break;case"cstring":this.writeCString(t,s);break;case"string":this.writeString(t,a,s);break;case"u16string":this.writeUCS2String(t,this.endianness,s);break;case"u16stringle":this.writeUCS2String(t,d.LITTLE_ENDIAN,s);break;case"u16stringbe":this.writeUCS2String(t,d.BIG_ENDIAN,s);break;default:if(3==e.length){for(var o=e[1],l=0;l<t.length;l++)this.writeType(o,t[l]);break}this.writeStruct(e,t)}null!=s&&(this.position=n,this._realloc(s),this.position=n+s)},d.prototype.writeUint64=function(e){var t=Math.floor(e/l);this.writeUint32(t),this.writeUint32(4294967295&e)},d.prototype.writeUint24=function(e){this.writeUint8((16711680&e)>>16),this.writeUint8((65280&e)>>8),this.writeUint8(255&e)},d.prototype.adjustUint32=function(e,t){var r=this.position;this.seek(e),this.writeUint32(t),this.seek(r)},d.prototype.mapInt32Array=function(e,t){this._realloc(4*e);var r=new Int32Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},d.prototype.mapInt16Array=function(e,t){this._realloc(2*e);var r=new Int16Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=2*e,r},d.prototype.mapInt8Array=function(e){this._realloc(1*e);var t=new Int8Array(this._buffer,this.byteOffset+this.position,e);return this.position+=1*e,t},d.prototype.mapUint32Array=function(e,t){this._realloc(4*e);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},d.prototype.mapUint16Array=function(e,t){this._realloc(2*e);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=2*e,r},d.prototype.mapFloat64Array=function(e,t){this._realloc(8*e);var r=new Float64Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=8*e,r},d.prototype.mapFloat32Array=function(e,t){this._realloc(4*e);var r=new Float32Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r};var u=function(e){this.buffers=[],this.bufferIndex=-1,e&&(this.insertBuffer(e),this.bufferIndex=0)};(u.prototype=new d(new ArrayBuffer,0,d.BIG_ENDIAN)).initialized=function(){var e;return this.bufferIndex>-1||(this.buffers.length>0?0===(e=this.buffers[0]).fileStart?(this.buffer=e,this.bufferIndex=0,n.debug("MultiBufferStream","Stream ready for parsing"),!0):(n.warn("MultiBufferStream","The first buffer should have a fileStart of 0"),this.logBufferLevel(),!1):(n.warn("MultiBufferStream","No buffer to start parsing from"),this.logBufferLevel(),!1))},ArrayBuffer.concat=function(e,t){n.debug("ArrayBuffer","Trying to create a new buffer of size: "+(e.byteLength+t.byteLength));var r=new Uint8Array(e.byteLength+t.byteLength);return r.set(new Uint8Array(e),0),r.set(new Uint8Array(t),e.byteLength),r.buffer},u.prototype.reduceBuffer=function(e,t,r){var i;return(i=new Uint8Array(r)).set(new Uint8Array(e,t,r)),i.buffer.fileStart=e.fileStart+t,i.buffer.usedBytes=0,i.buffer},u.prototype.insertBuffer=function(e){for(var t=!0,r=0;r<this.buffers.length;r++){var i=this.buffers[r];if(e.fileStart<=i.fileStart){if(e.fileStart===i.fileStart){if(e.byteLength>i.byteLength){this.buffers.splice(r,1),r--;continue}n.warn("MultiBufferStream","Buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+") already appended, ignoring")}else e.fileStart+e.byteLength<=i.fileStart||(e=this.reduceBuffer(e,0,i.fileStart-e.fileStart)),n.debug("MultiBufferStream","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")"),this.buffers.splice(r,0,e),0===r&&(this.buffer=e);t=!1;break}if(e.fileStart<i.fileStart+i.byteLength){var s=i.fileStart+i.byteLength-e.fileStart,a=e.byteLength-s;if(!(a>0)){t=!1;break}e=this.reduceBuffer(e,s,a)}}t&&(n.debug("MultiBufferStream","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")"),this.buffers.push(e),0===r&&(this.buffer=e))},u.prototype.logBufferLevel=function(e){var t,r,i,s,a,o=[],d="";for(i=0,s=0,t=0;t<this.buffers.length;t++)r=this.buffers[t],0===t?(a={},o.push(a),a.start=r.fileStart,a.end=r.fileStart+r.byteLength,d+="["+a.start+"-"):a.end===r.fileStart?a.end=r.fileStart+r.byteLength:((a={}).start=r.fileStart,d+=o[o.length-1].end-1+"], ["+a.start+"-",a.end=r.fileStart+r.byteLength,o.push(a)),i+=r.usedBytes,s+=r.byteLength;o.length>0&&(d+=a.end-1+"]");var l=e?n.info:n.debug;0===this.buffers.length?l("MultiBufferStream","No more buffer in memory"):l("MultiBufferStream",this.buffers.length+" stored buffer(s) ("+i+"/"+s+" bytes), continuous ranges: "+d)},u.prototype.cleanBuffers=function(){var e,t;for(e=0;e<this.buffers.length;e++)(t=this.buffers[e]).usedBytes===t.byteLength&&(n.debug("MultiBufferStream","Removing buffer #"+e),this.buffers.splice(e,1),e--)},u.prototype.mergeNextBuffer=function(){var e;if(this.bufferIndex+1<this.buffers.length){if((e=this.buffers[this.bufferIndex+1]).fileStart===this.buffer.fileStart+this.buffer.byteLength){var t=this.buffer.byteLength,r=this.buffer.usedBytes,i=this.buffer.fileStart;return this.buffers[this.bufferIndex]=ArrayBuffer.concat(this.buffer,e),this.buffer=this.buffers[this.bufferIndex],this.buffers.splice(this.bufferIndex+1,1),this.buffer.usedBytes=r,this.buffer.fileStart=i,n.debug("ISOFile","Concatenating buffer for box parsing (length: "+t+"->"+this.buffer.byteLength+")"),!0}return!1}return!1},u.prototype.findPosition=function(e,t,r){var i,s=null,a=-1;for(i=!0===e?0:this.bufferIndex;i<this.buffers.length&&(s=this.buffers[i]).fileStart<=t;)a=i,r&&(s.fileStart+s.byteLength<=t?s.usedBytes=s.byteLength:s.usedBytes=t-s.fileStart,this.logBufferLevel()),i++;return-1!==a&&(s=this.buffers[a]).fileStart+s.byteLength>=t?(n.debug("MultiBufferStream","Found position in existing buffer #"+a),a):-1},u.prototype.findEndContiguousBuf=function(e){var t,r,i,s=void 0!==e?e:this.bufferIndex;if(r=this.buffers[s],this.buffers.length>s+1)for(t=s+1;t<this.buffers.length&&(i=this.buffers[t]).fileStart===r.fileStart+r.byteLength;t++)r=i;return r.fileStart+r.byteLength},u.prototype.getEndFilePositionAfter=function(e){var t=this.findPosition(!0,e,!1);return-1!==t?this.findEndContiguousBuf(t):e},u.prototype.addUsedBytes=function(e){this.buffer.usedBytes+=e,this.logBufferLevel()},u.prototype.setAllUsedBytes=function(){this.buffer.usedBytes=this.buffer.byteLength,this.logBufferLevel()},u.prototype.seek=function(e,t,r){var i;return-1!==(i=this.findPosition(t,e,r))?(this.buffer=this.buffers[i],this.bufferIndex=i,this.position=e-this.buffer.fileStart,n.debug("MultiBufferStream","Repositioning parser at buffer position: "+this.position),!0):(n.debug("MultiBufferStream","Position "+e+" not found in buffered data"),!1)},u.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},u.prototype.getLength=function(){return this.byteLength},u.prototype.getEndPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.byteLength},t.MultiBufferStream=u;var c=function(){var e=[];e[3]="ES_Descriptor",e[4]="DecoderConfigDescriptor",e[5]="DecoderSpecificInfo",e[6]="SLConfigDescriptor",this.getDescriptorName=function(t){return e[t]};var t=this,r={};return this.parseOneDescriptor=function(t){var i,s,a,o=0;for(i=t.readUint8(),a=t.readUint8();128&a;)o=(127&a)<<7,a=t.readUint8();return o+=127&a,n.debug("MPEG4DescriptorParser","Found "+(e[i]||"Descriptor "+i)+", size "+o+" at position "+t.getPosition()),(s=e[i]?new r[e[i]](o):new r.Descriptor(o)).parse(t),s},r.Descriptor=function(e,t){this.tag=e,this.size=t,this.descs=[]},r.Descriptor.prototype.parse=function(e){this.data=e.readUint8Array(this.size)},r.Descriptor.prototype.findDescriptor=function(e){for(var t=0;t<this.descs.length;t++)if(this.descs[t].tag==e)return this.descs[t];return null},r.Descriptor.prototype.parseRemainingDescriptors=function(e){for(var r=e.position;e.position<r+this.size;){var i=t.parseOneDescriptor(e);this.descs.push(i)}},r.ES_Descriptor=function(e){r.Descriptor.call(this,3,e)},r.ES_Descriptor.prototype=new r.Descriptor,r.ES_Descriptor.prototype.parse=function(e){if(this.ES_ID=e.readUint16(),this.flags=e.readUint8(),this.size-=3,128&this.flags?(this.dependsOn_ES_ID=e.readUint16(),this.size-=2):this.dependsOn_ES_ID=0,64&this.flags){var t=e.readUint8();this.URL=e.readString(t),this.size-=t+1}else this.URL="";32&this.flags?(this.OCR_ES_ID=e.readUint16(),this.size-=2):this.OCR_ES_ID=0,this.parseRemainingDescriptors(e)},r.ES_Descriptor.prototype.getOTI=function(e){var t=this.findDescriptor(4);return t?t.oti:0},r.ES_Descriptor.prototype.getAudioConfig=function(e){var t=this.findDescriptor(4);if(!t)return null;var r=t.findDescriptor(5);if(r&&r.data){var i=(248&r.data[0])>>3;return 31===i&&r.data.length>=2&&(i=32+((7&r.data[0])<<3)+((224&r.data[1])>>5)),i}return null},r.DecoderConfigDescriptor=function(e){r.Descriptor.call(this,4,e)},r.DecoderConfigDescriptor.prototype=new r.Descriptor,r.DecoderConfigDescriptor.prototype.parse=function(e){this.oti=e.readUint8(),this.streamType=e.readUint8(),this.upStream=!!(this.streamType>>1&1),this.streamType=this.streamType>>>2,this.bufferSize=e.readUint24(),this.maxBitrate=e.readUint32(),this.avgBitrate=e.readUint32(),this.size-=13,this.parseRemainingDescriptors(e)},r.DecoderSpecificInfo=function(e){r.Descriptor.call(this,5,e)},r.DecoderSpecificInfo.prototype=new r.Descriptor,r.SLConfigDescriptor=function(e){r.Descriptor.call(this,6,e)},r.SLConfigDescriptor.prototype=new r.Descriptor,this};t.MPEG4DescriptorParser=c;var h={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(){h.FullBox.prototype=new h.Box,h.ContainerBox.prototype=new h.Box,h.SampleEntry.prototype=new h.Box,h.TrackGroupTypeBox.prototype=new h.FullBox,h.BASIC_BOXES.forEach((function(e){h.createBoxCtor(e)})),h.FULL_BOXES.forEach((function(e){h.createFullBoxCtor(e)})),h.CONTAINER_BOXES.forEach((function(e){h.createContainerBoxCtor(e[0],null,e[1])}))},Box:function(e,t,r){this.type=e,this.size=t,this.uuid=r},FullBox:function(e,t,r){h.Box.call(this,e,t,r),this.flags=0,this.version=0},ContainerBox:function(e,t,r){h.Box.call(this,e,t,r),this.boxes=[]},SampleEntry:function(e,t,r,i){h.ContainerBox.call(this,e,t),this.hdr_size=r,this.start=i},SampleGroupEntry:function(e){this.grouping_type=e},TrackGroupTypeBox:function(e,t){h.FullBox.call(this,e,t)},createBoxCtor:function(e,t){h.boxCodes.push(e),h[e+"Box"]=function(t){h.Box.call(this,e,t)},h[e+"Box"].prototype=new h.Box,t&&(h[e+"Box"].prototype.parse=t)},createFullBoxCtor:function(e,t){h[e+"Box"]=function(t){h.FullBox.call(this,e,t)},h[e+"Box"].prototype=new h.FullBox,h[e+"Box"].prototype.parse=function(e){this.parseFullHeader(e),t&&t.call(this,e)}},addSubBoxArrays:function(e){if(e){this.subBoxNames=e;for(var t=e.length,r=0;r<t;r++)this[e[r]+"s"]=[]}},createContainerBoxCtor:function(e,t,r){h[e+"Box"]=function(t){h.ContainerBox.call(this,e,t),h.addSubBoxArrays.call(this,r)},h[e+"Box"].prototype=new h.ContainerBox,t&&(h[e+"Box"].prototype.parse=t)},createMediaSampleEntryCtor:function(e,t,r){h.sampleEntryCodes[e]=[],h[e+"SampleEntry"]=function(e,t){h.SampleEntry.call(this,e,t),h.addSubBoxArrays.call(this,r)},h[e+"SampleEntry"].prototype=new h.SampleEntry,t&&(h[e+"SampleEntry"].prototype.parse=t)},createSampleEntryCtor:function(e,t,r,i){h.sampleEntryCodes[e].push(t),h[t+"SampleEntry"]=function(r){h[e+"SampleEntry"].call(this,t,r),h.addSubBoxArrays.call(this,i)},h[t+"SampleEntry"].prototype=new h[e+"SampleEntry"],r&&(h[t+"SampleEntry"].prototype.parse=r)},createEncryptedSampleEntryCtor:function(e,t,r){h.createSampleEntryCtor.call(this,e,t,r,["sinf"])},createSampleGroupCtor:function(e,t){h[e+"SampleGroupEntry"]=function(t){h.SampleGroupEntry.call(this,e,t)},h[e+"SampleGroupEntry"].prototype=new h.SampleGroupEntry,t&&(h[e+"SampleGroupEntry"].prototype.parse=t)},createTrackGroupCtor:function(e,t){h[e+"TrackGroupTypeBox"]=function(t){h.TrackGroupTypeBox.call(this,e,t)},h[e+"TrackGroupTypeBox"].prototype=new h.TrackGroupTypeBox,t&&(h[e+"TrackGroupTypeBox"].prototype.parse=t)},createUUIDBox:function(e,t,r,i){h.UUIDs.push(e),h.UUIDBoxes[e]=function(i){t?h.FullBox.call(this,"uuid",i,e):r?h.ContainerBox.call(this,"uuid",i,e):h.Box.call(this,"uuid",i,e)},h.UUIDBoxes[e].prototype=t?new h.FullBox:r?new h.ContainerBox:new h.Box,i&&(h.UUIDBoxes[e].prototype.parse=t?function(e){this.parseFullHeader(e),i&&i.call(this,e)}:i)}};function f(e,t){this.x=e,this.y=t}function p(e,t){this.bad_pixel_row=e,this.bad_pixel_column=t}h.initialize(),h.TKHD_FLAG_ENABLED=1,h.TKHD_FLAG_IN_MOVIE=2,h.TKHD_FLAG_IN_PREVIEW=4,h.TFHD_FLAG_BASE_DATA_OFFSET=1,h.TFHD_FLAG_SAMPLE_DESC=2,h.TFHD_FLAG_SAMPLE_DUR=8,h.TFHD_FLAG_SAMPLE_SIZE=16,h.TFHD_FLAG_SAMPLE_FLAGS=32,h.TFHD_FLAG_DUR_EMPTY=65536,h.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072,h.TRUN_FLAGS_DATA_OFFSET=1,h.TRUN_FLAGS_FIRST_FLAG=4,h.TRUN_FLAGS_DURATION=256,h.TRUN_FLAGS_SIZE=512,h.TRUN_FLAGS_FLAGS=1024,h.TRUN_FLAGS_CTS_OFFSET=2048,h.Box.prototype.add=function(e){return this.addBox(new h[e+"Box"])},h.Box.prototype.addBox=function(e){return this.boxes.push(e),this[e.type+"s"]?this[e.type+"s"].push(e):this[e.type]=e,e},h.Box.prototype.set=function(e,t){return this[e]=t,this},h.Box.prototype.addEntry=function(e,t){var r=t||"entries";return this[r]||(this[r]=[]),this[r].push(e),this},t.BoxParser=h,h.parseUUID=function(e){return h.parseHex16(e)},h.parseHex16=function(e){for(var t="",r=0;r<16;r++){var i=e.readUint8().toString(16);t+=1===i.length?"0"+i:i}return t},h.parseOneBox=function(e,t,r){var i,s,a,o=e.getPosition(),d=0;if(e.getEndPosition()-o<8)return n.debug("BoxParser","Not enough data in stream to parse the type and size of the box"),{code:h.ERR_NOT_ENOUGH_DATA};if(r&&r<8)return n.debug("BoxParser","Not enough bytes left in the parent box to parse a new box"),{code:h.ERR_NOT_ENOUGH_DATA};var l=e.readUint32(),u=e.readString(4),c=u;if(n.debug("BoxParser","Found box of type '"+u+"' and size "+l+" at position "+o),d=8,"uuid"==u){if(e.getEndPosition()-e.getPosition()<16||r-d<16)return e.seek(o),n.debug("BoxParser","Not enough bytes left in the parent box to parse a UUID box"),{code:h.ERR_NOT_ENOUGH_DATA};d+=16,c=a=h.parseUUID(e)}if(1==l){if(e.getEndPosition()-e.getPosition()<8||r&&r-d<8)return e.seek(o),n.warn("BoxParser",'Not enough data in stream to parse the extended size of the "'+u+'" box'),{code:h.ERR_NOT_ENOUGH_DATA};l=e.readUint64(),d+=8}else if(0===l)if(r)l=r;else if("mdat"!==u)return n.error("BoxParser","Unlimited box size not supported for type: '"+u+"'"),i=new h.Box(u,l),{code:h.OK,box:i,size:i.size};return 0!==l&&l<d?(n.error("BoxParser","Box of type "+u+" has an invalid size "+l+" (too small to be a box)"),{code:h.ERR_NOT_ENOUGH_DATA,type:u,size:l,hdr_size:d,start:o}):0!==l&&r&&l>r?(n.error("BoxParser","Box of type '"+u+"' has a size "+l+" greater than its container size "+r),{code:h.ERR_NOT_ENOUGH_DATA,type:u,size:l,hdr_size:d,start:o}):0!==l&&o+l>e.getEndPosition()?(e.seek(o),n.info("BoxParser","Not enough data in stream to parse the entire '"+u+"' box"),{code:h.ERR_NOT_ENOUGH_DATA,type:u,size:l,hdr_size:d,start:o}):t?{code:h.OK,type:u,size:l,hdr_size:d,start:o}:(h[u+"Box"]?i=new h[u+"Box"](l):"uuid"!==u?(n.warn("BoxParser","Unknown box type: '"+u+"'"),(i=new h.Box(u,l)).has_unparsed_data=!0):h.UUIDBoxes[a]?i=new h.UUIDBoxes[a](l):(n.warn("BoxParser","Unknown uuid type: '"+a+"'"),(i=new h.Box(u,l)).uuid=a,i.has_unparsed_data=!0),i.hdr_size=d,i.start=o,i.write===h.Box.prototype.write&&"mdat"!==i.type&&(n.info("BoxParser","'"+c+"' box writing not yet implemented, keeping unparsed data in memory for later write"),i.parseDataAndRewind(e)),i.parse(e),(s=e.getPosition()-(i.start+i.size))<0?(n.warn("BoxParser","Parsing of box '"+c+"' did not read the entire indicated box data size (missing "+-s+" bytes), seeking forward"),e.seek(i.start+i.size)):s>0&&(n.error("BoxParser","Parsing of box '"+c+"' read "+s+" more bytes than the indicated box data size, seeking backwards"),0!==i.size&&e.seek(i.start+i.size)),{code:h.OK,box:i,size:i.size})},h.Box.prototype.parse=function(e){"mdat"!=this.type?this.data=e.readUint8Array(this.size-this.hdr_size):0===this.size?e.seek(e.getEndPosition()):e.seek(this.start+this.size)},h.Box.prototype.parseDataAndRewind=function(e){this.data=e.readUint8Array(this.size-this.hdr_size),e.position-=this.size-this.hdr_size},h.FullBox.prototype.parseDataAndRewind=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size),this.hdr_size-=4,e.position-=this.size-this.hdr_size},h.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8(),this.flags=e.readUint24(),this.hdr_size+=4},h.FullBox.prototype.parse=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},h.ContainerBox.prototype.parse=function(e){for(var t,r;e.getPosition()<this.start+this.size;){if((t=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;if(r=t.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 i="uuid"!==r.type?r.type:r.uuid;this[i]?n.warn("Box of type "+i+" already stored in field of this type"):this[i]=r}}},h.Box.prototype.parseLanguage=function(e){this.language=e.readUint16();var t=[];t[0]=this.language>>10&31,t[1]=this.language>>5&31,t[2]=31&this.language,this.languageString=String.fromCharCode(t[0]+96,t[1]+96,t[2]+96)},h.SAMPLE_ENTRY_TYPE_VISUAL="Visual",h.SAMPLE_ENTRY_TYPE_AUDIO="Audio",h.SAMPLE_ENTRY_TYPE_HINT="Hint",h.SAMPLE_ENTRY_TYPE_METADATA="Metadata",h.SAMPLE_ENTRY_TYPE_SUBTITLE="Subtitle",h.SAMPLE_ENTRY_TYPE_SYSTEM="System",h.SAMPLE_ENTRY_TYPE_TEXT="Text",h.SampleEntry.prototype.parseHeader=function(e){e.readUint8Array(6),this.data_reference_index=e.readUint16(),this.hdr_size+=8},h.SampleEntry.prototype.parse=function(e){this.parseHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},h.SampleEntry.prototype.parseDataAndRewind=function(e){this.parseHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size),this.hdr_size-=8,e.position-=this.size-this.hdr_size},h.SampleEntry.prototype.parseFooter=function(e){h.ContainerBox.prototype.parse.call(this,e)},h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_HINT),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SYSTEM),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_TEXT),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,(function(e){var t;this.parseHeader(e),e.readUint16(),e.readUint16(),e.readUint32Array(3),this.width=e.readUint16(),this.height=e.readUint16(),this.horizresolution=e.readUint32(),this.vertresolution=e.readUint32(),e.readUint32(),this.frame_count=e.readUint16(),t=Math.min(31,e.readUint8()),this.compressorname=e.readString(t),t<31&&e.readString(31-t),this.depth=e.readUint16(),e.readUint16(),this.parseFooter(e)})),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,(function(e){this.parseHeader(e),e.readUint32Array(2),this.channel_count=e.readUint16(),this.samplesize=e.readUint16(),e.readUint16(),e.readUint16(),this.samplerate=e.readUint32()/65536,this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc2"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc3"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc4"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"av01"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"dav1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"hvc1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"hev1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"hvt1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"lhe1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"dvh1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"dvhe"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vvc1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vvi1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vvs1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vvcN"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vp08"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vp09"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avs3"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"j2ki"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"mjp2"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"mjpg"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"uncv"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"mp4a"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"ac-3"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"ac-4"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"ec-3"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"Opus"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"mha1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"mha2"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"mhm1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"mhm2"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"encv"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"enca"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"encu"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SYSTEM,"encs"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_TEXT,"enct"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"encm"),h.createBoxCtor("a1lx",(function(e){var t=16*(1+(1&(1&e.readUint8())));this.layer_size=[];for(var r=0;r<3;r++)this.layer_size[r]=16==t?e.readUint16():e.readUint32()})),h.createBoxCtor("a1op",(function(e){this.op_index=e.readUint8()})),h.createFullBoxCtor("auxC",(function(e){this.aux_type=e.readCString();var t=this.size-this.hdr_size-(this.aux_type.length+1);this.aux_subtype=e.readUint8Array(t)})),h.createBoxCtor("av1C",(function(e){var t=e.readUint8();if(t>>7&!1)n.error("av1C marker problem");else if(this.version=127&t,1===this.version)if(t=e.readUint8(),this.seq_profile=t>>5&7,this.seq_level_idx_0=31&t,t=e.readUint8(),this.seq_tier_0=t>>7&1,this.high_bitdepth=t>>6&1,this.twelve_bit=t>>5&1,this.monochrome=t>>4&1,this.chroma_subsampling_x=t>>3&1,this.chroma_subsampling_y=t>>2&1,this.chroma_sample_position=3&t,t=e.readUint8(),this.reserved_1=t>>5&7,0===this.reserved_1){if(this.initial_presentation_delay_present=t>>4&1,1===this.initial_presentation_delay_present)this.initial_presentation_delay_minus_one=15&t;else if(this.reserved_2=15&t,0!==this.reserved_2)return void n.error("av1C reserved_2 parsing problem");var r=this.size-this.hdr_size-4;this.configOBUs=e.readUint8Array(r)}else n.error("av1C reserved_1 parsing problem");else n.error("av1C version "+this.version+" not supported")})),h.createBoxCtor("avcC",(function(e){var t,r;for(this.configurationVersion=e.readUint8(),this.AVCProfileIndication=e.readUint8(),this.profile_compatibility=e.readUint8(),this.AVCLevelIndication=e.readUint8(),this.lengthSizeMinusOne=3&e.readUint8(),this.nb_SPS_nalus=31&e.readUint8(),r=this.size-this.hdr_size-6,this.SPS=[],t=0;t<this.nb_SPS_nalus;t++)this.SPS[t]={},this.SPS[t].length=e.readUint16(),this.SPS[t].nalu=e.readUint8Array(this.SPS[t].length),r-=2+this.SPS[t].length;for(this.nb_PPS_nalus=e.readUint8(),r--,this.PPS=[],t=0;t<this.nb_PPS_nalus;t++)this.PPS[t]={},this.PPS[t].length=e.readUint16(),this.PPS[t].nalu=e.readUint8Array(this.PPS[t].length),r-=2+this.PPS[t].length;r>0&&(this.ext=e.readUint8Array(r))})),h.createBoxCtor("btrt",(function(e){this.bufferSizeDB=e.readUint32(),this.maxBitrate=e.readUint32(),this.avgBitrate=e.readUint32()})),h.createFullBoxCtor("ccst",(function(e){var t=e.readUint8();this.all_ref_pics_intra=!(128&~t),this.intra_pred_used=!(64&~t),this.max_ref_per_pic=(63&t)>>2,e.readUint24()})),h.createBoxCtor("cdef",(function(e){var t;for(this.channel_count=e.readUint16(),this.channel_indexes=[],this.channel_types=[],this.channel_associations=[],t=0;t<this.channel_count;t++)this.channel_indexes.push(e.readUint16()),this.channel_types.push(e.readUint16()),this.channel_associations.push(e.readUint16())})),h.createBoxCtor("clap",(function(e){this.cleanApertureWidthN=e.readUint32(),this.cleanApertureWidthD=e.readUint32(),this.cleanApertureHeightN=e.readUint32(),this.cleanApertureHeightD=e.readUint32(),this.horizOffN=e.readUint32(),this.horizOffD=e.readUint32(),this.vertOffN=e.readUint32(),this.vertOffD=e.readUint32()})),h.createBoxCtor("clli",(function(e){this.max_content_light_level=e.readUint16(),this.max_pic_average_light_level=e.readUint16()})),h.createFullBoxCtor("cmex",(function(e){1&this.flags&&(this.pos_x=e.readInt32()),2&this.flags&&(this.pos_y=e.readInt32()),4&this.flags&&(this.pos_z=e.readInt32()),8&this.flags&&(0==this.version?16&this.flags?(this.quat_x=e.readInt32(),this.quat_y=e.readInt32(),this.quat_z=e.readInt32()):(this.quat_x=e.readInt16(),this.quat_y=e.readInt16(),this.quat_z=e.readInt16()):this.version),32&this.flags&&(this.id=e.readUint32())})),h.createFullBoxCtor("cmin",(function(e){this.focal_length_x=e.readInt32(),this.principal_point_x=e.readInt32(),this.principal_point_y=e.readInt32(),1&this.flags&&(this.focal_length_y=e.readInt32(),this.skew_factor=e.readInt32())})),h.createBoxCtor("cmpd",(function(e){for(this.component_count=e.readUint32(),this.component_types=[],this.component_type_urls=[],i=0;i<this.component_count;i++){var t=e.readUint16();this.component_types.push(t),t>=32768&&this.component_type_urls.push(e.readCString())}})),h.createFullBoxCtor("co64",(function(e){var t,r;if(t=e.readUint32(),this.chunk_offsets=[],0===this.version)for(r=0;r<t;r++)this.chunk_offsets.push(e.readUint64())})),h.createFullBoxCtor("CoLL",(function(e){this.maxCLL=e.readUint16(),this.maxFALL=e.readUint16()})),h.createBoxCtor("colr",(function(e){if(this.colour_type=e.readString(4),"nclx"===this.colour_type){this.colour_primaries=e.readUint16(),this.transfer_characteristics=e.readUint16(),this.matrix_coefficients=e.readUint16();var t=e.readUint8();this.full_range_flag=t>>7}else("rICC"===this.colour_type||"prof"===this.colour_type)&&(this.ICC_profile=e.readUint8Array(this.size-4))})),h.createFullBoxCtor("cprt",(function(e){this.parseLanguage(e),this.notice=e.readCString()})),h.createFullBoxCtor("cslg",(function(e){0===this.version&&(this.compositionToDTSShift=e.readInt32(),this.leastDecodeToDisplayDelta=e.readInt32(),this.greatestDecodeToDisplayDelta=e.readInt32(),this.compositionStartTime=e.readInt32(),this.compositionEndTime=e.readInt32())})),h.createFullBoxCtor("ctts",(function(e){var t,r;if(t=e.readUint32(),this.sample_counts=[],this.sample_offsets=[],0===this.version)for(r=0;r<t;r++){this.sample_counts.push(e.readUint32());var i=e.readInt32();i<0&&n.warn("BoxParser","ctts box uses negative values without using version 1"),this.sample_offsets.push(i)}else if(1==this.version)for(r=0;r<t;r++)this.sample_counts.push(e.readUint32()),this.sample_offsets.push(e.readInt32())})),h.createBoxCtor("dac3",(function(e){var t=e.readUint8(),r=e.readUint8(),i=e.readUint8();this.fscod=t>>6,this.bsid=t>>1&31,this.bsmod=(1&t)<<2|r>>6&3,this.acmod=r>>3&7,this.lfeon=r>>2&1,this.bit_rate_code=3&r|i>>5&7})),h.createBoxCtor("dec3",(function(e){var t=e.readUint16();this.data_rate=t>>3,this.num_ind_sub=7&t,this.ind_subs=[];for(var r=0;r<this.num_ind_sub+1;r++){var i={};this.ind_subs.push(i);var s=e.readUint8(),a=e.readUint8(),n=e.readUint8();i.fscod=s>>6,i.bsid=s>>1&31,i.bsmod=(1&s)<<4|a>>4&15,i.acmod=a>>1&7,i.lfeon=1&a,i.num_dep_sub=n>>1&15,i.num_dep_sub>0&&(i.chan_loc=(1&n)<<8|e.readUint8())}})),h.createFullBoxCtor("dfLa",(function(e){var t=[],r=["STREAMINFO","PADDING","APPLICATION","SEEKTABLE","VORBIS_COMMENT","CUESHEET","PICTURE","RESERVED"];for(this.parseFullHeader(e);;){var i=e.readUint8(),s=Math.min(127&i,r.length-1);if(s?e.readUint8Array(e.readUint24()):(e.readUint8Array(13),this.samplerate=e.readUint32()>>12,e.readUint8Array(20)),t.push(r[s]),128&i)break}this.numMetadataBlocks=t.length+" ("+t.join(", ")+")"})),h.createBoxCtor("dimm",(function(e){this.bytessent=e.readUint64()})),h.createBoxCtor("dmax",(function(e){this.time=e.readUint32()})),h.createBoxCtor("dmed",(function(e){this.bytessent=e.readUint64()})),h.createBoxCtor("dOps",(function(e){if(this.Version=e.readUint8(),this.OutputChannelCount=e.readUint8(),this.PreSkip=e.readUint16(),this.InputSampleRate=e.readUint32(),this.OutputGain=e.readInt16(),this.ChannelMappingFamily=e.readUint8(),0!==this.ChannelMappingFamily){this.StreamCount=e.readUint8(),this.CoupledCount=e.readUint8(),this.ChannelMapping=[];for(var t=0;t<this.OutputChannelCount;t++)this.ChannelMapping[t]=e.readUint8()}})),h.createFullBoxCtor("dref",(function(e){var t,r;this.entries=[];for(var i=e.readUint32(),s=0;s<i;s++){if((t=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;r=t.box,this.entries.push(r)}})),h.createBoxCtor("drep",(function(e){this.bytessent=e.readUint64()})),h.createFullBoxCtor("elng",(function(e){this.extended_language=e.readString(this.size-this.hdr_size)})),h.createFullBoxCtor("elst",(function(e){this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.entries.push(i),1===this.version?(i.segment_duration=e.readUint64(),i.media_time=e.readInt64()):(i.segment_duration=e.readUint32(),i.media_time=e.readInt32()),i.media_rate_integer=e.readInt16(),i.media_rate_fraction=e.readInt16()}})),h.createFullBoxCtor("emsg",(function(e){1==this.version?(this.timescale=e.readUint32(),this.presentation_time=e.readUint64(),this.event_duration=e.readUint32(),this.id=e.readUint32(),this.scheme_id_uri=e.readCString(),this.value=e.readCString()):(this.scheme_id_uri=e.readCString(),this.value=e.readCString(),this.timescale=e.readUint32(),this.presentation_time_delta=e.readUint32(),this.event_duration=e.readUint32(),this.id=e.readUint32());var t=this.size-this.hdr_size-(16+(this.scheme_id_uri.length+1)+(this.value.length+1));1==this.version&&(t-=4),this.message_data=e.readUint8Array(t)})),h.createEntityToGroupCtor=function(e,t){h[e+"Box"]=function(t){h.FullBox.call(this,e,t)},h[e+"Box"].prototype=new h.FullBox,h[e+"Box"].prototype.parse=function(e){if(this.parseFullHeader(e),t)t.call(this,e);else for(this.group_id=e.readUint32(),this.num_entities_in_group=e.readUint32(),this.entity_ids=[],i=0;i<this.num_entities_in_group;i++){var r=e.readUint32();this.entity_ids.push(r)}}},h.createEntityToGroupCtor("aebr"),h.createEntityToGroupCtor("afbr"),h.createEntityToGroupCtor("albc"),h.createEntityToGroupCtor("altr"),h.createEntityToGroupCtor("brst"),h.createEntityToGroupCtor("dobr"),h.createEntityToGroupCtor("eqiv"),h.createEntityToGroupCtor("favc"),h.createEntityToGroupCtor("fobr"),h.createEntityToGroupCtor("iaug"),h.createEntityToGroupCtor("pano"),h.createEntityToGroupCtor("slid"),h.createEntityToGroupCtor("ster"),h.createEntityToGroupCtor("tsyn"),h.createEntityToGroupCtor("wbbr"),h.createEntityToGroupCtor("prgr"),h.createFullBoxCtor("esds",(function(e){var t=e.readUint8Array(this.size-this.hdr_size);if(void 0!==c){var r=new c;this.esd=r.parseOneDescriptor(new d(t.buffer,0,d.BIG_ENDIAN))}})),h.createBoxCtor("fiel",(function(e){this.fieldCount=e.readUint8(),this.fieldOrdering=e.readUint8()})),h.createBoxCtor("frma",(function(e){this.data_format=e.readString(4)})),h.createBoxCtor("ftyp",(function(e){var t=this.size-this.hdr_size;this.major_brand=e.readString(4),this.minor_version=e.readUint32(),t-=8,this.compatible_brands=[];for(var r=0;t>=4;)this.compatible_brands[r]=e.readString(4),t-=4,r++})),h.createFullBoxCtor("hdlr",(function(e){0===this.version&&(e.readUint32(),this.handler=e.readString(4),e.readUint32Array(3),this.name=e.readString(this.size-this.hdr_size-20),"\0"===this.name[this.name.length-1]&&(this.name=this.name.slice(0,-1)))})),h.createBoxCtor("hvcC",(function(e){var t,r,i,s;this.configurationVersion=e.readUint8(),s=e.readUint8(),this.general_profile_space=s>>6,this.general_tier_flag=(32&s)>>5,this.general_profile_idc=31&s,this.general_profile_compatibility=e.readUint32(),this.general_constraint_indicator=e.readUint8Array(6),this.general_level_idc=e.readUint8(),this.min_spatial_segmentation_idc=4095&e.readUint16(),this.parallelismType=3&e.readUint8(),this.chroma_format_idc=3&e.readUint8(),this.bit_depth_luma_minus8=7&e.readUint8(),this.bit_depth_chroma_minus8=7&e.readUint8(),this.avgFrameRate=e.readUint16(),s=e.readUint8(),this.constantFrameRate=s>>6,this.numTemporalLayers=(13&s)>>3,this.temporalIdNested=(4&s)>>2,this.lengthSizeMinusOne=3&s,this.nalu_arrays=[];var a=e.readUint8();for(t=0;t<a;t++){var n=[];this.nalu_arrays.push(n),s=e.readUint8(),n.completeness=(128&s)>>7,n.nalu_type=63&s;var o=e.readUint16();for(r=0;r<o;r++){var d={};n.push(d),i=e.readUint16(),d.data=e.readUint8Array(i)}}})),h.createFullBoxCtor("iinf",(function(e){var t;0===this.version?this.entry_count=e.readUint16():this.entry_count=e.readUint32(),this.item_infos=[];for(var r=0;r<this.entry_count;r++){if((t=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;"infe"!==t.box.type&&n.error("BoxParser","Expected 'infe' box, got "+t.box.type),this.item_infos[r]=t.box}})),h.createFullBoxCtor("iloc",(function(e){var t;t=e.readUint8(),this.offset_size=t>>4&15,this.length_size=15&t,t=e.readUint8(),this.base_offset_size=t>>4&15,1===this.version||2===this.version?this.index_size=15&t:this.index_size=0,this.items=[];var r=0;if(this.version<2)r=e.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";r=e.readUint32()}for(var i=0;i<r;i++){var s={};if(this.items.push(s),this.version<2)s.item_ID=e.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";s.item_ID=e.readUint32()}switch(1===this.version||2===this.version?s.construction_method=15&e.readUint16():s.construction_method=0,s.data_reference_index=e.readUint16(),this.base_offset_size){case 0:s.base_offset=0;break;case 4:s.base_offset=e.readUint32();break;case 8:s.base_offset=e.readUint64();break;default:throw"Error reading base offset size"}var a=e.readUint16();s.extents=[];for(var n=0;n<a;n++){var o={};if(s.extents.push(o),1===this.version||2===this.version)switch(this.index_size){case 0:o.extent_index=0;break;case 4:o.extent_index=e.readUint32();break;case 8:o.extent_index=e.readUint64();break;default:throw"Error reading extent index"}switch(this.offset_size){case 0:o.extent_offset=0;break;case 4:o.extent_offset=e.readUint32();break;case 8:o.extent_offset=e.readUint64();break;default:throw"Error reading extent index"}switch(this.length_size){case 0:o.extent_length=0;break;case 4:o.extent_length=e.readUint32();break;case 8:o.extent_length=e.readUint64();break;default:throw"Error reading extent index"}}}})),h.createBoxCtor("imir",(function(e){var t=e.readUint8();this.reserved=t>>7,this.axis=1&t})),h.createFullBoxCtor("infe",(function(e){if(0!==this.version&&1!==this.version||(this.item_ID=e.readUint16(),this.item_protection_index=e.readUint16(),this.item_name=e.readCString(),this.content_type=e.readCString(),this.content_encoding=e.readCString()),1===this.version)return this.extension_type=e.readString(4),n.warn("BoxParser","Cannot parse extension type"),void e.seek(this.start+this.size);this.version>=2&&(2===this.version?this.item_ID=e.readUint16():3===this.version&&(this.item_ID=e.readUint32()),this.item_protection_index=e.readUint16(),this.item_type=e.readString(4),this.item_name=e.readCString(),"mime"===this.item_type?(this.content_type=e.readCString(),this.content_encoding=e.readCString()):"uri "===this.item_type&&(this.item_uri_type=e.readCString()))})),h.createFullBoxCtor("ipma",(function(e){var t,r;for(entry_count=e.readUint32(),this.associations=[],t=0;t<entry_count;t++){var i={};this.associations.push(i),this.version<1?i.id=e.readUint16():i.id=e.readUint32();var s=e.readUint8();for(i.props=[],r=0;r<s;r++){var a=e.readUint8(),n={};i.props.push(n),n.essential=(128&a)>>7==1,1&this.flags?n.property_index=(127&a)<<8|e.readUint8():n.property_index=127&a}}})),h.createFullBoxCtor("iref",(function(e){var t,r;for(this.references=[];e.getPosition()<this.start+this.size;){if((t=h.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==h.OK)return;(r=0===this.version?new h.SingleItemTypeReferenceBox(t.type,t.size,t.hdr_size,t.start):new h.SingleItemTypeReferenceBoxLarge(t.type,t.size,t.hdr_size,t.start)).write===h.Box.prototype.write&&"mdat"!==r.type&&(n.warn("BoxParser",r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(e)),r.parse(e),this.references.push(r)}})),h.createBoxCtor("irot",(function(e){this.angle=3&e.readUint8()})),h.createFullBoxCtor("ispe",(function(e){this.image_width=e.readUint32(),this.image_height=e.readUint32()})),h.createFullBoxCtor("kind",(function(e){this.schemeURI=e.readCString(),this.value=e.readCString()})),h.createFullBoxCtor("leva",(function(e){var t=e.readUint8();this.levels=[];for(var r=0;r<t;r++){var i={};this.levels[r]=i,i.track_ID=e.readUint32();var s=e.readUint8();switch(i.padding_flag=s>>7,i.assignment_type=127&s,i.assignment_type){case 0:i.grouping_type=e.readString(4);break;case 1:i.grouping_type=e.readString(4),i.grouping_type_parameter=e.readUint32();break;case 2:case 3:break;case 4:i.sub_track_id=e.readUint32();break;default:n.warn("BoxParser","Unknown leva assignement type")}}})),h.createBoxCtor("lsel",(function(e){this.layer_id=e.readUint16()})),h.createBoxCtor("maxr",(function(e){this.period=e.readUint32(),this.bytes=e.readUint32()})),f.prototype.toString=function(){return"("+this.x+","+this.y+")"},h.createBoxCtor("mdcv",(function(e){this.display_primaries=[],this.display_primaries[0]=new f(e.readUint16(),e.readUint16()),this.display_primaries[1]=new f(e.readUint16(),e.readUint16()),this.display_primaries[2]=new f(e.readUint16(),e.readUint16()),this.white_point=new f(e.readUint16(),e.readUint16()),this.max_display_mastering_luminance=e.readUint32(),this.min_display_mastering_luminance=e.readUint32()})),h.createFullBoxCtor("mdhd",(function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.timescale=e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.timescale=e.readUint32(),this.duration=e.readUint32()),this.parseLanguage(e),e.readUint16()})),h.createFullBoxCtor("mehd",(function(e){1&this.flags&&(n.warn("BoxParser","mehd box incorrectly uses flags set to 1, converting version to 1"),this.version=1),1==this.version?this.fragment_duration=e.readUint64():this.fragment_duration=e.readUint32()})),h.createFullBoxCtor("meta",(function(e){this.boxes=[],h.ContainerBox.prototype.parse.call(this,e)})),h.createFullBoxCtor("mfhd",(function(e){this.sequence_number=e.readUint32()})),h.createFullBoxCtor("mfro",(function(e){this._size=e.readUint32()})),h.createFullBoxCtor("mskC",(function(e){this.bits_per_pixel=e.readUint8()})),h.createFullBoxCtor("mvhd",(function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.timescale=e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.timescale=e.readUint32(),this.duration=e.readUint32()),this.rate=e.readUint32(),this.volume=e.readUint16()>>8,e.readUint16(),e.readUint32Array(2),this.matrix=e.readUint32Array(9),e.readUint32Array(6),this.next_track_id=e.readUint32()})),h.createBoxCtor("npck",(function(e){this.packetssent=e.readUint32()})),h.createBoxCtor("nump",(function(e){this.packetssent=e.readUint64()})),h.createFullBoxCtor("padb",(function(e){var t=e.readUint32();this.padbits=[];for(var r=0;r<Math.floor((t+1)/2);r++)this.padbits=e.readUint8()})),h.createBoxCtor("pasp",(function(e){this.hSpacing=e.readUint32(),this.vSpacing=e.readUint32()})),h.createBoxCtor("payl",(function(e){this.text=e.readString(this.size-this.hdr_size)})),h.createBoxCtor("payt",(function(e){this.payloadID=e.readUint32();var t=e.readUint8();this.rtpmap_string=e.readString(t)})),h.createFullBoxCtor("pdin",(function(e){var t=(this.size-this.hdr_size)/8;this.rate=[],this.initial_delay=[];for(var r=0;r<t;r++)this.rate[r]=e.readUint32(),this.initial_delay[r]=e.readUint32()})),h.createFullBoxCtor("pitm",(function(e){0===this.version?this.item_id=e.readUint16():this.item_id=e.readUint32()})),h.createFullBoxCtor("pixi",(function(e){var t;for(this.num_channels=e.readUint8(),this.bits_per_channels=[],t=0;t<this.num_channels;t++)this.bits_per_channels[t]=e.readUint8()})),h.createBoxCtor("pmax",(function(e){this.bytes=e.readUint32()})),h.createFullBoxCtor("prdi",(function(e){if(this.step_count=e.readUint16(),this.item_count=[],2&this.flags)for(var t=0;t<this.step_count;t++)this.item_count[t]=e.readUint16()})),h.createFullBoxCtor("prft",(function(e){this.ref_track_id=e.readUint32(),this.ntp_timestamp=e.readUint64(),0===this.version?this.media_time=e.readUint32():this.media_time=e.readUint64()})),h.createFullBoxCtor("pssh",(function(e){if(this.system_id=h.parseHex16(e),this.version>0){var t=e.readUint32();this.kid=[];for(var r=0;r<t;r++)this.kid[r]=h.parseHex16(e)}var i=e.readUint32();i>0&&(this.data=e.readUint8Array(i))})),h.createFullBoxCtor("clef",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),h.createFullBoxCtor("enof",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),h.createFullBoxCtor("prof",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),h.createContainerBoxCtor("tapt",null,["clef","prof","enof"]),h.createBoxCtor("rtp ",(function(e){this.descriptionformat=e.readString(4),this.sdptext=e.readString(this.size-this.hdr_size-4)})),h.createFullBoxCtor("saio",(function(e){1&this.flags&&(this.aux_info_type=e.readUint32(),this.aux_info_type_parameter=e.readUint32());var t=e.readUint32();this.offset=[];for(var r=0;r<t;r++)0===this.version?this.offset[r]=e.readUint32():this.offset[r]=e.readUint64()})),h.createFullBoxCtor("saiz",(function(e){1&this.flags&&(this.aux_info_type=e.readUint32(),this.aux_info_type_parameter=e.readUint32()),this.default_sample_info_size=e.readUint8();var t=e.readUint32();if(this.sample_info_size=[],0===this.default_sample_info_size)for(var r=0;r<t;r++)this.sample_info_size[r]=e.readUint8()})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"mett",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"metx",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.namespace=e.readCString(),this.schema_location=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"sbtt",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"stpp",(function(e){this.parseHeader(e),this.namespace=e.readCString(),this.schema_location=e.readCString(),this.auxiliary_mime_types=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"stxt",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"tx3g",(function(e){this.parseHeader(e),this.displayFlags=e.readUint32(),this.horizontal_justification=e.readInt8(),this.vertical_justification=e.readInt8(),this.bg_color_rgba=e.readUint8Array(4),this.box_record=e.readInt16Array(4),this.style_record=e.readUint8Array(12),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"wvtt",(function(e){this.parseHeader(e),this.parseFooter(e)})),h.createSampleGroupCtor("alst",(function(e){var t,r=e.readUint16();for(this.first_output_sample=e.readUint16(),this.sample_offset=[],t=0;t<r;t++)this.sample_offset[t]=e.readUint32();var i=this.description_length-4-4*r;for(this.num_output_samples=[],this.num_total_samples=[],t=0;t<i/4;t++)this.num_output_samples[t]=e.readUint16(),this.num_total_samples[t]=e.readUint16()})),h.createSampleGroupCtor("avll",(function(e){this.layerNumber=e.readUint8(),this.accurateStatisticsFlag=e.readUint8(),this.avgBitRate=e.readUint16(),this.avgFrameRate=e.readUint16()})),h.createSampleGroupCtor("avss",(function(e){this.subSequenceIdentifier=e.readUint16(),this.layerNumber=e.readUint8();var t=e.readUint8();this.durationFlag=t>>7,this.avgRateFlag=t>>6&1,this.durationFlag&&(this.duration=e.readUint32()),this.avgRateFlag&&(this.accurateStatisticsFlag=e.readUint8(),this.avgBitRate=e.readUint16(),this.avgFrameRate=e.readUint16()),this.dependency=[];for(var r=e.readUint8(),i=0;i<r;i++){var s={};this.dependency.push(s),s.subSeqDirectionFlag=e.readUint8(),s.layerNumber=e.readUint8(),s.subSequenceIdentifier=e.readUint16()}})),h.createSampleGroupCtor("dtrt",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("mvif",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("prol",(function(e){this.roll_distance=e.readInt16()})),h.createSampleGroupCtor("rap ",(function(e){var t=e.readUint8();this.num_leading_samples_known=t>>7,this.num_leading_samples=127&t})),h.createSampleGroupCtor("rash",(function(e){if(this.operation_point_count=e.readUint16(),this.description_length!==2+(1===this.operation_point_count?2:6*this.operation_point_count)+9)n.warn("BoxParser","Mismatch in "+this.grouping_type+" sample group length"),this.data=e.readUint8Array(this.description_length-2);else{if(1===this.operation_point_count)this.target_rate_share=e.readUint16();else{this.target_rate_share=[],this.available_bitrate=[];for(var t=0;t<this.operation_point_count;t++)this.available_bitrate[t]=e.readUint32(),this.target_rate_share[t]=e.readUint16()}this.maximum_bitrate=e.readUint32(),this.minimum_bitrate=e.readUint32(),this.discard_priority=e.readUint8()}})),h.createSampleGroupCtor("roll",(function(e){this.roll_distance=e.readInt16()})),h.SampleGroupEntry.prototype.parse=function(e){n.warn("BoxParser","Unknown Sample Group type: "+this.grouping_type),this.data=e.readUint8Array(this.description_length)},h.createSampleGroupCtor("scif",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("scnm",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("seig",(function(e){this.reserved=e.readUint8();var t=e.readUint8();this.crypt_byte_block=t>>4,this.skip_byte_block=15&t,this.isProtected=e.readUint8(),this.Per_Sample_IV_Size=e.readUint8(),this.KID=h.parseHex16(e),this.constant_IV_size=0,this.constant_IV=0,1===this.isProtected&&0===this.Per_Sample_IV_Size&&(this.constant_IV_size=e.readUint8(),this.constant_IV=e.readUint8Array(this.constant_IV_size))})),h.createSampleGroupCtor("stsa",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("sync",(function(e){var t=e.readUint8();this.NAL_unit_type=63&t})),h.createSampleGroupCtor("tele",(function(e){var t=e.readUint8();this.level_independently_decodable=t>>7})),h.createSampleGroupCtor("tsas",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("tscl",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("vipr",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createFullBoxCtor("sbgp",(function(e){this.grouping_type=e.readString(4),1===this.version?this.grouping_type_parameter=e.readUint32():this.grouping_type_parameter=0,this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.entries.push(i),i.sample_count=e.readInt32(),i.group_description_index=e.readInt32()}})),p.prototype.toString=function(){return"[row: "+this.bad_pixel_row+", column: "+this.bad_pixel_column+"]"},h.createFullBoxCtor("sbpm",(function(e){var t;for(this.component_count=e.readUint16(),this.component_index=[],t=0;t<this.component_count;t++)this.component_index.push(e.readUint16());var r=e.readUint8();for(this.correction_applied=!(128&~r),this.num_bad_rows=e.readUint32(),this.num_bad_cols=e.readUint32(),this.num_bad_pixels=e.readUint32(),this.bad_rows=[],this.bad_columns=[],this.bad_pixels=[],t=0;t<this.num_bad_rows;t++)this.bad_rows.push(e.readUint32());for(t=0;t<this.num_bad_cols;t++)this.bad_columns.push(e.readUint32());for(t=0;t<this.num_bad_pixels;t++){var i=e.readUint32(),s=e.readUint32();this.bad_pixels.push(new p(i,s))}})),h.createFullBoxCtor("schm",(function(e){this.scheme_type=e.readString(4),this.scheme_version=e.readUint32(),1&this.flags&&(this.scheme_uri=e.readString(this.size-this.hdr_size-8))})),h.createBoxCtor("sdp ",(function(e){this.sdptext=e.readString(this.size-this.hdr_size)})),h.createFullBoxCtor("sdtp",(function(e){var t,r=this.size-this.hdr_size;this.is_leading=[],this.sample_depends_on=[],this.sample_is_depended_on=[],this.sample_has_redundancy=[];for(var i=0;i<r;i++)t=e.readUint8(),this.is_leading[i]=t>>6,this.sample_depends_on[i]=t>>4&3,this.sample_is_depended_on[i]=t>>2&3,this.sample_has_redundancy[i]=3&t})),h.createFullBoxCtor("senc"),h.createFullBoxCtor("sgpd",(function(e){this.grouping_type=e.readString(4),n.debug("BoxParser","Found Sample Groups of type "+this.grouping_type),1===this.version?this.default_length=e.readUint32():this.default_length=0,this.version>=2&&(this.default_group_description_index=e.readUint32()),this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i;i=h[this.grouping_type+"SampleGroupEntry"]?new h[this.grouping_type+"SampleGroupEntry"](this.grouping_type):new h.SampleGroupEntry(this.grouping_type),this.entries.push(i),1===this.version&&0===this.default_length?i.description_length=e.readUint32():i.description_length=this.default_length,i.write===h.SampleGroupEntry.prototype.write&&(n.info("BoxParser","SampleGroup for type "+this.grouping_type+" writing not yet implemented, keeping unparsed data in memory for later write"),i.data=e.readUint8Array(i.description_length),e.position-=i.description_length),i.parse(e)}})),h.createFullBoxCtor("sidx",(function(e){this.reference_ID=e.readUint32(),this.timescale=e.readUint32(),0===this.version?(this.earliest_presentation_time=e.readUint32(),this.first_offset=e.readUint32()):(this.earliest_presentation_time=e.readUint64(),this.first_offset=e.readUint64()),e.readUint16(),this.references=[];for(var t=e.readUint16(),r=0;r<t;r++){var i={};this.references.push(i);var s=e.readUint32();i.reference_type=s>>31&1,i.referenced_size=2147483647&s,i.subsegment_duration=e.readUint32(),s=e.readUint32(),i.starts_with_SAP=s>>31&1,i.SAP_type=s>>28&7,i.SAP_delta_time=268435455&s}})),h.SingleItemTypeReferenceBox=function(e,t,r,i){h.Box.call(this,e,t),this.hdr_size=r,this.start=i},h.SingleItemTypeReferenceBox.prototype=new h.Box,h.SingleItemTypeReferenceBox.prototype.parse=function(e){this.from_item_ID=e.readUint16();var t=e.readUint16();this.references=[];for(var r=0;r<t;r++)this.references[r]={},this.references[r].to_item_ID=e.readUint16()},h.SingleItemTypeReferenceBoxLarge=function(e,t,r,i){h.Box.call(this,e,t),this.hdr_size=r,this.start=i},h.SingleItemTypeReferenceBoxLarge.prototype=new h.Box,h.SingleItemTypeReferenceBoxLarge.prototype.parse=function(e){this.from_item_ID=e.readUint32();var t=e.readUint16();this.references=[];for(var r=0;r<t;r++)this.references[r]={},this.references[r].to_item_ID=e.readUint32()},h.createFullBoxCtor("SmDm",(function(e){this.primaryRChromaticity_x=e.readUint16(),this.primaryRChromaticity_y=e.readUint16(),this.primaryGChromaticity_x=e.readUint16(),this.primaryGChromaticity_y=e.readUint16(),this.primaryBChromaticity_x=e.readUint16(),this.primaryBChromaticity_y=e.readUint16(),this.whitePointChromaticity_x=e.readUint16(),this.whitePointChromaticity_y=e.readUint16(),this.luminanceMax=e.readUint32(),this.luminanceMin=e.readUint32()})),h.createFullBoxCtor("smhd",(function(e){this.balance=e.readUint16(),e.readUint16()})),h.createFullBoxCtor("ssix",(function(e){this.subsegments=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.subsegments.push(i),i.ranges=[];for(var s=e.readUint32(),a=0;a<s;a++){var n={};i.ranges.push(n),n.level=e.readUint8(),n.range_size=e.readUint24()}}})),h.createFullBoxCtor("stco",(function(e){var t;if(t=e.readUint32(),this.chunk_offsets=[],0===this.version)for(var r=0;r<t;r++)this.chunk_offsets.push(e.readUint32())})),h.createFullBoxCtor("stdp",(function(e){var t=(this.size-this.hdr_size)/2;this.priority=[];for(var r=0;r<t;r++)this.priority[r]=e.readUint16()})),h.createFullBoxCtor("sthd"),h.createFullBoxCtor("stri",(function(e){this.switch_group=e.readUint16(),this.alternate_group=e.readUint16(),this.sub_track_id=e.readUint32();var t=(this.size-this.hdr_size-8)/4;this.attribute_list=[];for(var r=0;r<t;r++)this.attribute_list[r]=e.readUint32()})),h.createFullBoxCtor("stsc",(function(e){var t,r;if(t=e.readUint32(),this.first_chunk=[],this.samples_per_chunk=[],this.sample_description_index=[],0===this.version)for(r=0;r<t;r++)this.first_chunk.push(e.readUint32()),this.samples_per_chunk.push(e.readUint32()),this.sample_description_index.push(e.readUint32())})),h.createFullBoxCtor("stsd",(function(e){var t,r,i,s;for(this.entries=[],i=e.readUint32(),t=1;t<=i;t++){if((r=h.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==h.OK)return;h[r.type+"SampleEntry"]?((s=new h[r.type+"SampleEntry"](r.size)).hdr_size=r.hdr_size,s.start=r.start):(n.warn("BoxParser","Unknown sample entry type: "+r.type),s=new h.SampleEntry(r.type,r.size,r.hdr_size,r.start)),s.write===h.SampleEntry.prototype.write&&(n.info("BoxParser","SampleEntry "+s.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),s.parseDataAndRewind(e)),s.parse(e),this.entries.push(s)}})),h.createFullBoxCtor("stsg",(function(e){this.grouping_type=e.readUint32();var t=e.readUint16();this.group_description_index=[];for(var r=0;r<t;r++)this.group_description_index[r]=e.readUint32()})),h.createFullBoxCtor("stsh",(function(e){var t,r;if(t=e.readUint32(),this.shadowed_sample_numbers=[],this.sync_sample_numbers=[],0===this.version)for(r=0;r<t;r++)this.shadowed_sample_numbers.push(e.readUint32()),this.sync_sample_numbers.push(e.readUint32())})),h.createFullBoxCtor("stss",(function(e){var t,r;if(r=e.readUint32(),0===this.version)for(this.sample_numbers=[],t=0;t<r;t++)this.sample_numbers.push(e.readUint32())})),h.createFullBoxCtor("stsz",(function(e){var t;if(this.sample_sizes=[],0===this.version)for(this.sample_size=e.readUint32(),this.sample_count=e.readUint32(),t=0;t<this.sample_count;t++)0===this.sample_size?this.sample_sizes.push(e.readUint32()):this.sample_sizes[t]=this.sample_size})),h.createFullBoxCtor("stts",(function(e){var t,r,i;if(t=e.readUint32(),this.sample_counts=[],this.sample_deltas=[],0===this.version)for(r=0;r<t;r++)this.sample_counts.push(e.readUint32()),(i=e.readInt32())<0&&(n.warn("BoxParser","File uses negative stts sample delta, using value 1 instead, sync may be lost!"),i=1),this.sample_deltas.push(i)})),h.createFullBoxCtor("stvi",(function(e){var t=e.readUint32();this.single_view_allowed=3&t,this.stereo_scheme=e.readUint32();var r,i,s=e.readUint32();for(this.stereo_indication_type=e.readString(s),this.boxes=[];e.getPosition()<this.start+this.size;){if((r=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;i=r.box,this.boxes.push(i),this[i.type]=i}})),h.createBoxCtor("styp",(function(e){h.ftypBox.prototype.parse.call(this,e)})),h.createFullBoxCtor("stz2",(function(e){var t,r;if(this.sample_sizes=[],0===this.version)if(this.reserved=e.readUint24(),this.field_size=e.readUint8(),r=e.readUint32(),4===this.field_size)for(t=0;t<r;t+=2){var i=e.readUint8();this.sample_sizes[t]=i>>4&15,this.sample_sizes[t+1]=15&i}else if(8===this.field_size)for(t=0;t<r;t++)this.sample_sizes[t]=e.readUint8();else if(16===this.field_size)for(t=0;t<r;t++)this.sample_sizes[t]=e.readUint16();else n.error("BoxParser","Error in length field in stz2 box")})),h.createFullBoxCtor("subs",(function(e){var t,r,i,s;for(i=e.readUint32(),this.entries=[],t=0;t<i;t++){var a={};if(this.entries[t]=a,a.sample_delta=e.readUint32(),a.subsamples=[],(s=e.readUint16())>0)for(r=0;r<s;r++){var n={};a.subsamples.push(n),1==this.version?n.size=e.readUint32():n.size=e.readUint16(),n.priority=e.readUint8(),n.discardable=e.readUint8(),n.codec_specific_parameters=e.readUint32()}}})),h.createFullBoxCtor("tenc",(function(e){if(e.readUint8(),0===this.version)e.readUint8();else{var t=e.readUint8();this.default_crypt_byte_block=t>>4&15,this.default_skip_byte_block=15&t}this.default_isProtected=e.readUint8(),this.default_Per_Sample_IV_Size=e.readUint8(),this.default_KID=h.parseHex16(e),1===this.default_isProtected&&0===this.default_Per_Sample_IV_Size&&(this.default_constant_IV_size=e.readUint8(),this.default_constant_IV=e.readUint8Array(this.default_constant_IV_size))})),h.createFullBoxCtor("tfdt",(function(e){1==this.version?this.baseMediaDecodeTime=e.readUint64():this.baseMediaDecodeTime=e.readUint32()})),h.createFullBoxCtor("tfhd",(function(e){var t=0;this.track_id=e.readUint32(),this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_BASE_DATA_OFFSET?(this.base_data_offset=e.readUint64(),t+=8):this.base_data_offset=0,this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_SAMPLE_DESC?(this.default_sample_description_index=e.readUint32(),t+=4):this.default_sample_description_index=0,this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_SAMPLE_DUR?(this.default_sample_duration=e.readUint32(),t+=4):this.default_sample_duration=0,this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_SAMPLE_SIZE?(this.default_sample_size=e.readUint32(),t+=4):this.default_sample_size=0,this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=e.readUint32(),t+=4):this.default_sample_flags=0})),h.createFullBoxCtor("tfra",(function(e){this.track_ID=e.readUint32(),e.readUint24();var t=e.readUint8();this.length_size_of_traf_num=t>>4&3,this.length_size_of_trun_num=t>>2&3,this.length_size_of_sample_num=3&t,this.entries=[];for(var r=e.readUint32(),i=0;i<r;i++)1===this.version?(this.time=e.readUint64(),this.moof_offset=e.readUint64()):(this.time=e.readUint32(),this.moof_offset=e.readUint32()),this.traf_number=e["readUint"+8*(this.length_size_of_traf_num+1)](),this.trun_number=e["readUint"+8*(this.length_size_of_trun_num+1)](),this.sample_number=e["readUint"+8*(this.length_size_of_sample_num+1)]()})),h.createFullBoxCtor("tkhd",(function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint32()),e.readUint32Array(2),this.layer=e.readInt16(),this.alternate_group=e.readInt16(),this.volume=e.readInt16()>>8,e.readUint16(),this.matrix=e.readInt32Array(9),this.width=e.readUint32(),this.height=e.readUint32()})),h.createBoxCtor("tmax",(function(e){this.time=e.readUint32()})),h.createBoxCtor("tmin",(function(e){this.time=e.readUint32()})),h.createBoxCtor("totl",(function(e){this.bytessent=e.readUint32()})),h.createBoxCtor("tpay",(function(e){this.bytessent=e.readUint32()})),h.createBoxCtor("tpyl",(function(e){this.bytessent=e.readUint64()})),h.TrackGroupTypeBox.prototype.parse=function(e){this.parseFullHeader(e),this.track_group_id=e.readUint32()},h.createTrackGroupCtor("msrc"),h.TrackReferenceTypeBox=function(e,t,r,i){h.Box.call(this,e,t),this.hdr_size=r,this.start=i},h.TrackReferenceTypeBox.prototype=new h.Box,h.TrackReferenceTypeBox.prototype.parse=function(e){this.track_ids=e.readUint32Array((this.size-this.hdr_size)/4)},h.trefBox.prototype.parse=function(e){for(var t,r;e.getPosition()<this.start+this.size;){if((t=h.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==h.OK)return;(r=new h.TrackReferenceTypeBox(t.type,t.size,t.hdr_size,t.start)).write===h.Box.prototype.write&&"mdat"!==r.type&&(n.info("BoxParser","TrackReference "+r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(e)),r.parse(e),this.boxes.push(r)}},h.createFullBoxCtor("trep",(function(e){for(this.track_ID=e.readUint32(),this.boxes=[];e.getPosition()<this.start+this.size;){if(ret=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start)),ret.code!==h.OK)return;box=ret.box,this.boxes.push(box)}})),h.createFullBoxCtor("trex",(function(e){this.track_id=e.readUint32(),this.default_sample_description_index=e.readUint32(),this.default_sample_duration=e.readUint32(),this.default_sample_size=e.readUint32(),this.default_sample_flags=e.readUint32()})),h.createBoxCtor("trpy",(function(e){this.bytessent=e.readUint64()})),h.createFullBoxCtor("trun",(function(e){var t=0;if(this.sample_count=e.readUint32(),t+=4,this.size-this.hdr_size>t&&this.flags&h.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=e.readInt32(),t+=4):this.data_offset=0,this.size-this.hdr_size>t&&this.flags&h.TRUN_FLAGS_FIRST_FLAG?(this.first_sample_flags=e.readUint32(),t+=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>t)for(var r=0;r<this.sample_count;r++)this.flags&h.TRUN_FLAGS_DURATION&&(this.sample_duration[r]=e.readUint32()),this.flags&h.TRUN_FLAGS_SIZE&&(this.sample_size[r]=e.readUint32()),this.flags&h.TRUN_FLAGS_FLAGS&&(this.sample_flags[r]=e.readUint32()),this.flags&h.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?this.sample_composition_time_offset[r]=e.readUint32():this.sample_composition_time_offset[r]=e.readInt32())})),h.createFullBoxCtor("tsel",(function(e){this.switch_group=e.readUint32();var t=(this.size-this.hdr_size-4)/4;this.attribute_list=[];for(var r=0;r<t;r++)this.attribute_list[r]=e.readUint32()})),h.createFullBoxCtor("txtC",(function(e){this.config=e.readCString()})),h.createBoxCtor("tyco",(function(e){var t=(this.size-this.hdr_size)/4;this.compatible_brands=[];for(var r=0;r<t;r++)this.compatible_brands[r]=e.readString(4)})),h.createFullBoxCtor("udes",(function(e){this.lang=e.readCString(),this.name=e.readCString(),this.description=e.readCString(),this.tags=e.readCString()})),h.createFullBoxCtor("uncC",(function(e){var t;if(this.profile=e.readUint32(),1==this.version);else if(0==this.version){for(this.component_count=e.readUint32(),this.component_index=[],this.component_bit_depth_minus_one=[],this.component_format=[],this.component_align_size=[],t=0;t<this.component_count;t++)this.component_index.push(e.readUint16()),this.component_bit_depth_minus_one.push(e.readUint8()),this.component_format.push(e.readUint8()),this.component_align_size.push(e.readUint8());this.sampling_type=e.readUint8(),this.interleave_type=e.readUint8(),this.block_size=e.readUint8();var r=e.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=e.readUint32(),this.row_align_size=e.readUint32(),this.tile_align_size=e.readUint32(),this.num_tile_cols_minus_one=e.readUint32(),this.num_tile_rows_minus_one=e.readUint32()}})),h.createFullBoxCtor("url ",(function(e){1!==this.flags&&(this.location=e.readCString())})),h.createFullBoxCtor("urn ",(function(e){this.name=e.readCString(),this.size-this.hdr_size-this.name.length-1>0&&(this.location=e.readCString())})),h.createUUIDBox("a5d40b30e81411ddba2f0800200c9a66",!0,!1,(function(e){this.LiveServerManifest=e.readString(this.size-this.hdr_size).replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;").replace(/'/g,"&#039;")})),h.createUUIDBox("d08a4f1810f34a82b6c832d8aba183d3",!0,!1,(function(e){this.system_id=h.parseHex16(e);var t=e.readUint32();t>0&&(this.data=e.readUint8Array(t))})),h.createUUIDBox("a2394f525a9b4f14a2446c427c648df4",!0,!1),h.createUUIDBox("8974dbce7be74c5184f97148f9882554",!0,!1,(function(e){this.default_AlgorithmID=e.readUint24(),this.default_IV_size=e.readUint8(),this.default_KID=h.parseHex16(e)})),h.createUUIDBox("d4807ef2ca3946958e5426cb9e46a79f",!0,!1,(function(e){this.fragment_count=e.readUint8(),this.entries=[];for(var t=0;t<this.fragment_count;t++){var r={},i=0,s=0;1===this.version?(i=e.readUint64(),s=e.readUint64()):(i=e.readUint32(),s=e.readUint32()),r.absolute_time=i,r.absolute_duration=s,this.entries.push(r)}})),h.createUUIDBox("6d1d9b0542d544e680e2141daff757b2",!0,!1,(function(e){1===this.version?(this.absolute_time=e.readUint64(),this.duration=e.readUint64()):(this.absolute_time=e.readUint32(),this.duration=e.readUint32())})),h.createFullBoxCtor("vmhd",(function(e){this.graphicsmode=e.readUint16(),this.opcolor=e.readUint16Array(3)})),h.createFullBoxCtor("vpcC",(function(e){var t;1===this.version?(this.profile=e.readUint8(),this.level=e.readUint8(),t=e.readUint8(),this.bitDepth=t>>4,this.chromaSubsampling=t>>1&7,this.videoFullRangeFlag=1&t,this.colourPrimaries=e.readUint8(),this.transferCharacteristics=e.readUint8(),this.matrixCoefficients=e.readUint8(),this.codecIntializationDataSize=e.readUint16(),this.codecIntializationData=e.readUint8Array(this.codecIntializationDataSize)):(this.profile=e.readUint8(),this.level=e.readUint8(),t=e.readUint8(),this.bitDepth=t>>4&15,this.colorSpace=15&t,t=e.readUint8(),this.chromaSubsampling=t>>4&15,this.transferFunction=t>>1&7,this.videoFullRangeFlag=1&t,this.codecIntializationDataSize=e.readUint16(),this.codecIntializationData=e.readUint8Array(this.codecIntializationDataSize))})),h.createBoxCtor("vttC",(function(e){this.text=e.readString(this.size-this.hdr_size)})),h.createFullBoxCtor("vvcC",(function(e){var t,r,i={held_bits:void 0,num_held_bits:0,stream_read_1_bytes:function(e){this.held_bits=e.readUint8(),this.num_held_bits=8},stream_read_2_bytes:function(e){this.held_bits=e.readUint16(),this.num_held_bits=16},extract_bits:function(e){var t=this.held_bits>>this.num_held_bits-e&(1<<e)-1;return this.num_held_bits-=e,t}};if(i.stream_read_1_bytes(e),i.extract_bits(5),this.lengthSizeMinusOne=i.extract_bits(2),this.ptl_present_flag=i.extract_bits(1),this.ptl_present_flag){if(i.stream_read_2_bytes(e),this.ols_idx=i.extract_bits(9),this.num_sublayers=i.extract_bits(3),this.constant_frame_rate=i.extract_bits(2),this.chroma_format_idc=i.extract_bits(2),i.stream_read_1_bytes(e),this.bit_depth_minus8=i.extract_bits(3),i.extract_bits(5),i.stream_read_2_bytes(e),i.extract_bits(2),this.num_bytes_constraint_info=i.extract_bits(6),this.general_profile_idc=i.extract_bits(7),this.general_tier_flag=i.extract_bits(1),this.general_level_idc=e.readUint8(),i.stream_read_1_bytes(e),this.ptl_frame_only_constraint_flag=i.extract_bits(1),this.ptl_multilayer_enabled_flag=i.extract_bits(1),this.general_constraint_info=new Uint8Array(this.num_bytes_constraint_info),this.num_bytes_constraint_info){for(t=0;t<this.num_bytes_constraint_info-1;t++){var s=i.extract_bits(6);i.stream_read_1_bytes(e);var a=i.extract_bits(2);this.general_constraint_info[t]=s<<2|a}this.general_constraint_info[this.num_bytes_constraint_info-1]=i.extract_bits(6)}else i.extract_bits(6);if(this.num_sublayers>1){for(i.stream_read_1_bytes(e),this.ptl_sublayer_present_mask=0,r=this.num_sublayers-2;r>=0;--r){var n=i.extract_bits(1);this.ptl_sublayer_present_mask|=n<<r}for(r=this.num_sublayers;r<=8&&this.num_sublayers>1;++r)i.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]=e.readUint8())}if(this.ptl_num_sub_profiles=e.readUint8(),this.general_sub_profile_idc=[],this.ptl_num_sub_profiles)for(t=0;t<this.ptl_num_sub_profiles;t++)this.general_sub_profile_idc.push(e.readUint32());this.max_picture_width=e.readUint16(),this.max_picture_height=e.readUint16(),this.avg_frame_rate=e.readUint16()}this.nalu_arrays=[];var o=e.readUint8();for(t=0;t<o;t++){var d=[];this.nalu_arrays.push(d),i.stream_read_1_bytes(e),d.completeness=i.extract_bits(1),i.extract_bits(2),d.nalu_type=i.extract_bits(5);var l=1;for(13!=d.nalu_type&&12!=d.nalu_type&&(l=e.readUint16()),r=0;r<l;r++){var u=e.readUint16();d.push({data:e.readUint8Array(u),length:u})}}})),h.createFullBoxCtor("vvnC",(function(e){var t=strm.readUint8();this.lengthSizeMinusOne=3&t})),h.SampleEntry.prototype.isVideo=function(){return!1},h.SampleEntry.prototype.isAudio=function(){return!1},h.SampleEntry.prototype.isSubtitle=function(){return!1},h.SampleEntry.prototype.isMetadata=function(){return!1},h.SampleEntry.prototype.isHint=function(){return!1},h.SampleEntry.prototype.getCodec=function(){return this.type.replace(".","")},h.SampleEntry.prototype.getWidth=function(){return""},h.SampleEntry.prototype.getHeight=function(){return""},h.SampleEntry.prototype.getChannelCount=function(){return""},h.SampleEntry.prototype.getSampleRate=function(){return""},h.SampleEntry.prototype.getSampleSize=function(){return""},h.VisualSampleEntry.prototype.isVideo=function(){return!0},h.VisualSampleEntry.prototype.getWidth=function(){return this.width},h.VisualSampleEntry.prototype.getHeight=function(){return this.height},h.AudioSampleEntry.prototype.isAudio=function(){return!0},h.AudioSampleEntry.prototype.getChannelCount=function(){return this.channel_count},h.AudioSampleEntry.prototype.getSampleRate=function(){return this.samplerate},h.AudioSampleEntry.prototype.getSampleSize=function(){return this.samplesize},h.SubtitleSampleEntry.prototype.isSubtitle=function(){return!0},h.MetadataSampleEntry.prototype.isMetadata=function(){return!0},h.decimalToHex=function(e,t){var r=Number(e).toString(16);for(t=null==t?t=2:t;r.length<t;)r="0"+r;return r},h.avc1SampleEntry.prototype.getCodec=h.avc2SampleEntry.prototype.getCodec=h.avc3SampleEntry.prototype.getCodec=h.avc4SampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this);return this.avcC?e+"."+h.decimalToHex(this.avcC.AVCProfileIndication)+h.decimalToHex(this.avcC.profile_compatibility)+h.decimalToHex(this.avcC.AVCLevelIndication):e},h.hev1SampleEntry.prototype.getCodec=h.hvc1SampleEntry.prototype.getCodec=function(){var e,t=h.SampleEntry.prototype.getCodec.call(this);if(this.hvcC){switch(t+=".",this.hvcC.general_profile_space){case 0:t+="";break;case 1:t+="A";break;case 2:t+="B";break;case 3:t+="C"}t+=this.hvcC.general_profile_idc,t+=".";var r=this.hvcC.general_profile_compatibility,i=0;for(e=0;e<32&&(i|=1&r,31!=e);e++)i<<=1,r>>=1;t+=h.decimalToHex(i,0),t+=".",0===this.hvcC.general_tier_flag?t+="L":t+="H",t+=this.hvcC.general_level_idc;var s=!1,a="";for(e=5;e>=0;e--)(this.hvcC.general_constraint_indicator[e]||s)&&(a="."+h.decimalToHex(this.hvcC.general_constraint_indicator[e],0)+a,s=!0);t+=a}return t},h.vvc1SampleEntry.prototype.getCodec=h.vvi1SampleEntry.prototype.getCodec=function(){var e,t=h.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 r="";if(this.vvcC.general_constraint_info){var i,s=[],a=0;for(a|=this.vvcC.ptl_frame_only_constraint<<7,a|=this.vvcC.ptl_multilayer_enabled<<6,e=0;e<this.vvcC.general_constraint_info.length;++e)a|=this.vvcC.general_constraint_info[e]>>2&63,s.push(a),a&&(i=e),a=this.vvcC.general_constraint_info[e]>>2&3;if(void 0===i)r=".CA";else{r=".C";var n="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",o=0,d=0;for(e=0;e<=i;++e)for(o=o<<8|s[e],d+=8;d>=5;){r+=n[o>>d-5&31],o&=(1<<(d-=5))-1}d&&(r+=n[31&(o<<=5-d)])}}t+=r}return t},h.mp4aSampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this);if(this.esds&&this.esds.esd){var t=this.esds.esd.getOTI(),r=this.esds.esd.getAudioConfig();return e+"."+h.decimalToHex(t)+(r?"."+r:"")}return e},h.stxtSampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this);return this.mime_format?e+"."+this.mime_format:e},h.vp08SampleEntry.prototype.getCodec=h.vp09SampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this),t=this.vpcC.level;0==t&&(t="00");var r=this.vpcC.bitDepth;return 8==r&&(r="08"),e+".0"+this.vpcC.profile+"."+t+"."+r},h.av01SampleEntry.prototype.getCodec=function(){var e,t=h.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?e=1===this.av1C.twelve_bit?"12":"10":this.av1C.seq_profile<=2&&(e=1===this.av1C.high_bitdepth?"10":"08"),t+"."+this.av1C.seq_profile+"."+r+(this.av1C.seq_tier_0?"H":"M")+"."+e},h.Box.prototype.writeHeader=function(e,t){this.size+=8,this.size>l&&(this.size+=8),"uuid"===this.type&&(this.size+=16),n.debug("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+e.getPosition()+(t||"")),this.size>l?e.writeUint32(1):(this.sizePosition=e.getPosition(),e.writeUint32(this.size)),e.writeString(this.type,null,4),"uuid"===this.type&&e.writeUint8Array(this.uuid),this.size>l&&e.writeUint64(this.size)},h.FullBox.prototype.writeHeader=function(e){this.size+=4,h.Box.prototype.writeHeader.call(this,e," v="+this.version+" f="+this.flags),e.writeUint8(this.version),e.writeUint24(this.flags)},h.Box.prototype.write=function(e){"mdat"===this.type?this.data&&(this.size=this.data.length,this.writeHeader(e),e.writeUint8Array(this.data)):(this.size=this.data?this.data.length:0,this.writeHeader(e),this.data&&e.writeUint8Array(this.data))},h.ContainerBox.prototype.write=function(e){this.size=0,this.writeHeader(e);for(var t=0;t<this.boxes.length;t++)this.boxes[t]&&(this.boxes[t].write(e),this.size+=this.boxes[t].size);n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.TrackReferenceTypeBox.prototype.write=function(e){this.size=4*this.track_ids.length,this.writeHeader(e),e.writeUint32Array(this.track_ids)},h.avcCBox.prototype.write=function(e){var t;for(this.size=7,t=0;t<this.SPS.length;t++)this.size+=2+this.SPS[t].length;for(t=0;t<this.PPS.length;t++)this.size+=2+this.PPS[t].length;for(this.ext&&(this.size+=this.ext.length),this.writeHeader(e),e.writeUint8(this.configurationVersion),e.writeUint8(this.AVCProfileIndication),e.writeUint8(this.profile_compatibility),e.writeUint8(this.AVCLevelIndication),e.writeUint8(this.lengthSizeMinusOne+252),e.writeUint8(this.SPS.length+224),t=0;t<this.SPS.length;t++)e.writeUint16(this.SPS[t].length),e.writeUint8Array(this.SPS[t].nalu);for(e.writeUint8(this.PPS.length),t=0;t<this.PPS.length;t++)e.writeUint16(this.PPS[t].length),e.writeUint8Array(this.PPS[t].nalu);this.ext&&e.writeUint8Array(this.ext)},h.co64Box.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.chunk_offsets.length,this.writeHeader(e),e.writeUint32(this.chunk_offsets.length),t=0;t<this.chunk_offsets.length;t++)e.writeUint64(this.chunk_offsets[t])},h.cslgBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20,this.writeHeader(e),e.writeInt32(this.compositionToDTSShift),e.writeInt32(this.leastDecodeToDisplayDelta),e.writeInt32(this.greatestDecodeToDisplayDelta),e.writeInt32(this.compositionStartTime),e.writeInt32(this.compositionEndTime)},h.cttsBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(e),e.writeUint32(this.sample_counts.length),t=0;t<this.sample_counts.length;t++)e.writeUint32(this.sample_counts[t]),1===this.version?e.writeInt32(this.sample_offsets[t]):e.writeUint32(this.sample_offsets[t])},h.drefBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++)this.entries[t].write(e),this.size+=this.entries[t].size;n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.elngBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=this.extended_language.length,this.writeHeader(e),e.writeString(this.extended_language)},h.elstBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+12*this.entries.length,this.writeHeader(e),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++){var r=this.entries[t];e.writeUint32(r.segment_duration),e.writeInt32(r.media_time),e.writeInt16(r.media_rate_integer),e.writeInt16(r.media_rate_fraction)}},h.emsgBox.prototype.write=function(e){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(e),e.writeCString(this.scheme_id_uri),e.writeCString(this.value),e.writeUint32(this.timescale),e.writeUint32(this.presentation_time_delta),e.writeUint32(this.event_duration),e.writeUint32(this.id),e.writeUint8Array(this.message_data)},h.ftypBox.prototype.write=function(e){this.size=8+4*this.compatible_brands.length,this.writeHeader(e),e.writeString(this.major_brand,null,4),e.writeUint32(this.minor_version);for(var t=0;t<this.compatible_brands.length;t++)e.writeString(this.compatible_brands[t],null,4)},h.hdlrBox.prototype.write=function(e){this.size=20+this.name.length+1,this.version=0,this.flags=0,this.writeHeader(e),e.writeUint32(0),e.writeString(this.handler,null,4),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeCString(this.name)},h.hvcCBox.prototype.write=function(e){var t,r;for(this.size=23,t=0;t<this.nalu_arrays.length;t++)for(this.size+=3,r=0;r<this.nalu_arrays[t].length;r++)this.size+=2+this.nalu_arrays[t][r].data.length;for(this.writeHeader(e),e.writeUint8(this.configurationVersion),e.writeUint8(this.general_profile_space<<6+this.general_tier_flag<<5+this.general_profile_idc),e.writeUint32(this.general_profile_compatibility),e.writeUint8Array(this.general_constraint_indicator),e.writeUint8(this.general_level_idc),e.writeUint16(this.min_spatial_segmentation_idc+(15<<24)),e.writeUint8(this.parallelismType+252),e.writeUint8(this.chroma_format_idc+252),e.writeUint8(this.bit_depth_luma_minus8+248),e.writeUint8(this.bit_depth_chroma_minus8+248),e.writeUint16(this.avgFrameRate),e.writeUint8((this.constantFrameRate<<6)+(this.numTemporalLayers<<3)+(this.temporalIdNested<<2)+this.lengthSizeMinusOne),e.writeUint8(this.nalu_arrays.length),t=0;t<this.nalu_arrays.length;t++)for(e.writeUint8((this.nalu_arrays[t].completeness<<7)+this.nalu_arrays[t].nalu_type),e.writeUint16(this.nalu_arrays[t].length),r=0;r<this.nalu_arrays[t].length;r++)e.writeUint16(this.nalu_arrays[t][r].data.length),e.writeUint8Array(this.nalu_arrays[t][r].data)},h.kindBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=this.schemeURI.length+1+(this.value.length+1),this.writeHeader(e),e.writeCString(this.schemeURI),e.writeCString(this.value)},h.mdhdBox.prototype.write=function(e){this.size=20,this.flags=0,this.version=0,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.timescale),e.writeUint32(this.duration),e.writeUint16(this.language),e.writeUint16(0)},h.mehdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.fragment_duration)},h.mfhdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.sequence_number)},h.mvhdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=96,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.timescale),e.writeUint32(this.duration),e.writeUint32(this.rate),e.writeUint16(this.volume<<8),e.writeUint16(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32Array(this.matrix),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(this.next_track_id)},h.SampleEntry.prototype.writeHeader=function(e){this.size=8,h.Box.prototype.writeHeader.call(this,e),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint16(this.data_reference_index)},h.SampleEntry.prototype.writeFooter=function(e){for(var t=0;t<this.boxes.length;t++)this.boxes[t].write(e),this.size+=this.boxes[t].size;n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.SampleEntry.prototype.write=function(e){this.writeHeader(e),e.writeUint8Array(this.data),this.size+=this.data.length,n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.VisualSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=70,e.writeUint16(0),e.writeUint16(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint16(this.width),e.writeUint16(this.height),e.writeUint32(this.horizresolution),e.writeUint32(this.vertresolution),e.writeUint32(0),e.writeUint16(this.frame_count),e.writeUint8(Math.min(31,this.compressorname.length)),e.writeString(this.compressorname,null,31),e.writeUint16(this.depth),e.writeInt16(-1),this.writeFooter(e)},h.AudioSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=20,e.writeUint32(0),e.writeUint32(0),e.writeUint16(this.channel_count),e.writeUint16(this.samplesize),e.writeUint16(0),e.writeUint16(0),e.writeUint32(this.samplerate<<16),this.writeFooter(e)},h.stppSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=this.namespace.length+1+this.schema_location.length+1+this.auxiliary_mime_types.length+1,e.writeCString(this.namespace),e.writeCString(this.schema_location),e.writeCString(this.auxiliary_mime_types),this.writeFooter(e)},h.SampleGroupEntry.prototype.write=function(e){e.writeUint8Array(this.data)},h.sbgpBox.prototype.write=function(e){this.version=1,this.flags=0,this.size=12+8*this.entries.length,this.writeHeader(e),e.writeString(this.grouping_type,null,4),e.writeUint32(this.grouping_type_parameter),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++){var r=this.entries[t];e.writeInt32(r.sample_count),e.writeInt32(r.group_description_index)}},h.sgpdBox.prototype.write=function(e){var t,r;for(this.flags=0,this.size=12,t=0;t<this.entries.length;t++)r=this.entries[t],1===this.version&&(0===this.default_length&&(this.size+=4),this.size+=r.data.length);for(this.writeHeader(e),e.writeString(this.grouping_type,null,4),1===this.version&&e.writeUint32(this.default_length),this.version>=2&&e.writeUint32(this.default_sample_description_index),e.writeUint32(this.entries.length),t=0;t<this.entries.length;t++)r=this.entries[t],1===this.version&&0===this.default_length&&e.writeUint32(r.description_length),r.write(e)},h.sidxBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20+12*this.references.length,this.writeHeader(e),e.writeUint32(this.reference_ID),e.writeUint32(this.timescale),e.writeUint32(this.earliest_presentation_time),e.writeUint32(this.first_offset),e.writeUint16(0),e.writeUint16(this.references.length);for(var t=0;t<this.references.length;t++){var r=this.references[t];e.writeUint32(r.reference_type<<31|r.referenced_size),e.writeUint32(r.subsegment_duration),e.writeUint32(r.starts_with_SAP<<31|r.SAP_type<<28|r.SAP_delta_time)}},h.smhdBox.prototype.write=function(e){this.version=0,this.flags=1,this.size=4,this.writeHeader(e),e.writeUint16(this.balance),e.writeUint16(0)},h.stcoBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+4*this.chunk_offsets.length,this.writeHeader(e),e.writeUint32(this.chunk_offsets.length),e.writeUint32Array(this.chunk_offsets)},h.stscBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+12*this.first_chunk.length,this.writeHeader(e),e.writeUint32(this.first_chunk.length),t=0;t<this.first_chunk.length;t++)e.writeUint32(this.first_chunk[t]),e.writeUint32(this.samples_per_chunk[t]),e.writeUint32(this.sample_description_index[t])},h.stsdBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=0,this.writeHeader(e),e.writeUint32(this.entries.length),this.size+=4,t=0;t<this.entries.length;t++)this.entries[t].write(e),this.size+=this.entries[t].size;n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.stshBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.shadowed_sample_numbers.length,this.writeHeader(e),e.writeUint32(this.shadowed_sample_numbers.length),t=0;t<this.shadowed_sample_numbers.length;t++)e.writeUint32(this.shadowed_sample_numbers[t]),e.writeUint32(this.sync_sample_numbers[t])},h.stssBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+4*this.sample_numbers.length,this.writeHeader(e),e.writeUint32(this.sample_numbers.length),e.writeUint32Array(this.sample_numbers)},h.stszBox.prototype.write=function(e){var t,r=!0;if(this.version=0,this.flags=0,this.sample_sizes.length>0)for(t=0;t+1<this.sample_sizes.length;){if(this.sample_sizes[t+1]!==this.sample_sizes[0]){r=!1;break}t++}else r=!1;this.size=8,r||(this.size+=4*this.sample_sizes.length),this.writeHeader(e),r?e.writeUint32(this.sample_sizes[0]):e.writeUint32(0),e.writeUint32(this.sample_sizes.length),r||e.writeUint32Array(this.sample_sizes)},h.sttsBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(e),e.writeUint32(this.sample_counts.length),t=0;t<this.sample_counts.length;t++)e.writeUint32(this.sample_counts[t]),e.writeUint32(this.sample_deltas[t])},h.tfdtBox.prototype.write=function(e){var t=Math.pow(2,32)-1;this.version=this.baseMediaDecodeTime>t?1:0,this.flags=0,this.size=4,1===this.version&&(this.size+=4),this.writeHeader(e),1===this.version?e.writeUint64(this.baseMediaDecodeTime):e.writeUint32(this.baseMediaDecodeTime)},h.tfhdBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&h.TFHD_FLAG_BASE_DATA_OFFSET&&(this.size+=8),this.flags&h.TFHD_FLAG_SAMPLE_DESC&&(this.size+=4),this.flags&h.TFHD_FLAG_SAMPLE_DUR&&(this.size+=4),this.flags&h.TFHD_FLAG_SAMPLE_SIZE&&(this.size+=4),this.flags&h.TFHD_FLAG_SAMPLE_FLAGS&&(this.size+=4),this.writeHeader(e),e.writeUint32(this.track_id),this.flags&h.TFHD_FLAG_BASE_DATA_OFFSET&&e.writeUint64(this.base_data_offset),this.flags&h.TFHD_FLAG_SAMPLE_DESC&&e.writeUint32(this.default_sample_description_index),this.flags&h.TFHD_FLAG_SAMPLE_DUR&&e.writeUint32(this.default_sample_duration),this.flags&h.TFHD_FLAG_SAMPLE_SIZE&&e.writeUint32(this.default_sample_size),this.flags&h.TFHD_FLAG_SAMPLE_FLAGS&&e.writeUint32(this.default_sample_flags)},h.tkhdBox.prototype.write=function(e){this.version=0,this.size=80,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.track_id),e.writeUint32(0),e.writeUint32(this.duration),e.writeUint32(0),e.writeUint32(0),e.writeInt16(this.layer),e.writeInt16(this.alternate_group),e.writeInt16(this.volume<<8),e.writeUint16(0),e.writeInt32Array(this.matrix),e.writeUint32(this.width),e.writeUint32(this.height)},h.trexBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20,this.writeHeader(e),e.writeUint32(this.track_id),e.writeUint32(this.default_sample_description_index),e.writeUint32(this.default_sample_duration),e.writeUint32(this.default_sample_size),e.writeUint32(this.default_sample_flags)},h.trunBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&h.TRUN_FLAGS_DATA_OFFSET&&(this.size+=4),this.flags&h.TRUN_FLAGS_FIRST_FLAG&&(this.size+=4),this.flags&h.TRUN_FLAGS_DURATION&&(this.size+=4*this.sample_duration.length),this.flags&h.TRUN_FLAGS_SIZE&&(this.size+=4*this.sample_size.length),this.flags&h.TRUN_FLAGS_FLAGS&&(this.size+=4*this.sample_flags.length),this.flags&h.TRUN_FLAGS_CTS_OFFSET&&(this.size+=4*this.sample_composition_time_offset.length),this.writeHeader(e),e.writeUint32(this.sample_count),this.flags&h.TRUN_FLAGS_DATA_OFFSET&&(this.data_offset_position=e.getPosition(),e.writeInt32(this.data_offset)),this.flags&h.TRUN_FLAGS_FIRST_FLAG&&e.writeUint32(this.first_sample_flags);for(var t=0;t<this.sample_count;t++)this.flags&h.TRUN_FLAGS_DURATION&&e.writeUint32(this.sample_duration[t]),this.flags&h.TRUN_FLAGS_SIZE&&e.writeUint32(this.sample_size[t]),this.flags&h.TRUN_FLAGS_FLAGS&&e.writeUint32(this.sample_flags[t]),this.flags&h.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?e.writeUint32(this.sample_composition_time_offset[t]):e.writeInt32(this.sample_composition_time_offset[t]))},h["url Box"].prototype.write=function(e){this.version=0,this.location?(this.flags=0,this.size=this.location.length+1):(this.flags=1,this.size=0),this.writeHeader(e),this.location&&e.writeCString(this.location)},h["urn Box"].prototype.write=function(e){this.version=0,this.flags=0,this.size=this.name.length+1+(this.location?this.location.length+1:0),this.writeHeader(e),e.writeCString(this.name),this.location&&e.writeCString(this.location)},h.vmhdBox.prototype.write=function(e){this.version=0,this.flags=1,this.size=8,this.writeHeader(e),e.writeUint16(this.graphicsmode),e.writeUint16Array(this.opcolor)},h.cttsBox.prototype.unpack=function(e){var t,r,i;for(i=0,t=0;t<this.sample_counts.length;t++)for(r=0;r<this.sample_counts[t];r++)e[i].pts=e[i].dts+this.sample_offsets[t],i++},h.sttsBox.prototype.unpack=function(e){var t,r,i;for(i=0,t=0;t<this.sample_counts.length;t++)for(r=0;r<this.sample_counts[t];r++)e[i].dts=0===i?0:e[i-1].dts+this.sample_deltas[t],i++},h.stcoBox.prototype.unpack=function(e){var t;for(t=0;t<this.chunk_offsets.length;t++)e[t].offset=this.chunk_offsets[t]},h.stscBox.prototype.unpack=function(e){var t,r,i,s,a;for(s=0,a=0,t=0;t<this.first_chunk.length;t++)for(r=0;r<(t+1<this.first_chunk.length?this.first_chunk[t+1]:1/0);r++)for(a++,i=0;i<this.samples_per_chunk[t];i++){if(!e[s])return;e[s].description_index=this.sample_description_index[t],e[s].chunk_index=a,s++}},h.stszBox.prototype.unpack=function(e){var t;for(t=0;t<this.sample_sizes.length;t++)e[t].size=this.sample_sizes[t]},h.DIFF_BOXES_PROP_NAMES=["boxes","entries","references","subsamples","items","item_infos","extents","associations","subsegments","ranges","seekLists","seekPoints","esd","levels"],h.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"],h.boxEqualFields=function(e,t){if(e&&!t)return!1;var r;for(r in e)if(!(h.DIFF_BOXES_PROP_NAMES.indexOf(r)>-1||e[r]instanceof h.Box||t[r]instanceof h.Box||void 0===e[r]||void 0===t[r]||"function"==typeof e[r]||"function"==typeof t[r]||e.subBoxNames&&e.subBoxNames.indexOf(r.slice(0,4))>-1||t.subBoxNames&&t.subBoxNames.indexOf(r.slice(0,4))>-1||"data"===r||"start"===r||"size"===r||"creation_time"===r||"modification_time"===r||h.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(r)>-1||e[r]===t[r]))return!1;return!0},h.boxEqual=function(e,t){if(!h.boxEqualFields(e,t))return!1;for(var r=0;r<h.DIFF_BOXES_PROP_NAMES.length;r++){var i=h.DIFF_BOXES_PROP_NAMES[r];if(e[i]&&t[i]&&!h.boxEqual(e[i],t[i]))return!1}return!0};var m=function(){};m.prototype.parseSample=function(e){var t,r={};r.resources=[];var i=new o(e.data.buffer);if(e.subsamples&&0!==e.subsamples.length){if(r.documentString=i.readString(e.subsamples[0].size),e.subsamples.length>1)for(t=1;t<e.subsamples.length;t++)r.resources[t]=i.readUint8Array(e.subsamples[t].size)}else r.documentString=i.readString(e.data.length);return"undefined"!=typeof DOMParser&&(r.document=(new DOMParser).parseFromString(r.documentString,"application/xml")),r};var _=function(){};_.prototype.parseSample=function(e){return new o(e.data.buffer).readString(e.data.length)},_.prototype.parseConfig=function(e){var t=new o(e.buffer);return t.readUint32(),t.readCString()},t.XMLSubtitlein4Parser=m,t.Textin4Parser=_;var g=function(e){this.stream=e||new u,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};g.prototype.setSegmentOptions=function(e,t,r){var i=this.getTrackById(e);if(i){var s={};this.fragmentedTracks.push(s),s.id=e,s.user=t,s.trak=i,i.nextSample=0,s.segmentStream=null,s.nb_samples=1e3,s.rapAlignement=!0,r&&(r.nbSamples&&(s.nb_samples=r.nbSamples),r.rapAlignement&&(s.rapAlignement=r.rapAlignement))}},g.prototype.unsetSegmentOptions=function(e){for(var t=-1,r=0;r<this.fragmentedTracks.length;r++){this.fragmentedTracks[r].id==e&&(t=r)}t>-1&&this.fragmentedTracks.splice(t,1)},g.prototype.setExtractionOptions=function(e,t,r){var i=this.getTrackById(e);if(i){var s={};this.extractedTracks.push(s),s.id=e,s.user=t,s.trak=i,i.nextSample=0,s.nb_samples=1e3,s.samples=[],r&&r.nbSamples&&(s.nb_samples=r.nbSamples)}},g.prototype.unsetExtractionOptions=function(e){for(var t=-1,r=0;r<this.extractedTracks.length;r++){this.extractedTracks[r].id==e&&(t=r)}t>-1&&this.extractedTracks.splice(t,1)},g.prototype.parse=function(){var e,t;if(!this.restoreParsePosition||this.restoreParsePosition())for(;;){if(this.hasIncompleteMdat&&this.hasIncompleteMdat()){if(this.processIncompleteMdat())continue;return}if(this.saveParsePosition&&this.saveParsePosition(),(e=h.parseOneBox(this.stream,false)).code===h.ERR_NOT_ENOUGH_DATA){if(this.processIncompleteBox){if(this.processIncompleteBox(e))continue;return}return}var r;switch(r="uuid"!==(t=e.box).type?t.type:t.uuid,this.boxes.push(t),r){case"mdat":this.mdats.push(t);break;case"moof":this.moofs.push(t);break;case"moov":this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0);default:void 0!==this[r]&&n.warn("ISOFile","Duplicate Box of type: "+r+", overriding previous occurrence"),this[r]=t}this.updateUsedBytes&&this.updateUsedBytes(t,e)}},g.prototype.checkBuffer=function(e){if(null==e)throw"Buffer must be defined and non empty";if(void 0===e.fileStart)throw"Buffer must have a fileStart property";return 0===e.byteLength?(n.warn("ISOFile","Ignoring empty buffer (fileStart: "+e.fileStart+")"),this.stream.logBufferLevel(),!1):(n.info("ISOFile","Processing buffer (fileStart: "+e.fileStart+")"),e.usedBytes=0,this.stream.insertBuffer(e),this.stream.logBufferLevel(),!!this.stream.initialized()||(n.warn("ISOFile","Not ready to start parsing"),!1))},g.prototype.appendBuffer=function(e,t){var r;if(this.checkBuffer(e))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(t),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&&(n.info("ISOFile","Done processing buffer (fileStart: "+e.fileStart+") - next buffer to fetch should have a fileStart position of "+r),this.stream.logBufferLevel(),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0),n.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),r},g.prototype.getInfo=function(){var e,t,r,i,s,a,n={},o=new Date("1904-01-01T00:00:00Z").getTime();if(this.moov)for(n.hasMoov=!0,n.duration=this.moov.mvhd.duration,n.timescale=this.moov.mvhd.timescale,n.isFragmented=null!=this.moov.mvex,n.isFragmented&&this.moov.mvex.mehd&&(n.fragment_duration=this.moov.mvex.mehd.fragment_duration),n.isProgressive=this.isProgressive,n.hasIOD=null!=this.moov.iods,n.brands=[],n.brands.push(this.ftyp.major_brand),n.brands=n.brands.concat(this.ftyp.compatible_brands),n.created=new Date(o+1e3*this.moov.mvhd.creation_time),n.modified=new Date(o+1e3*this.moov.mvhd.modification_time),n.tracks=[],n.audioTracks=[],n.videoTracks=[],n.subtitleTracks=[],n.metadataTracks=[],n.hintTracks=[],n.otherTracks=[],e=0;e<this.moov.traks.length;e++){if(a=(r=this.moov.traks[e]).mdia.minf.stbl.stsd.entries[0],i={},n.tracks.push(i),i.id=r.tkhd.track_id,i.name=r.mdia.hdlr.name,i.references=[],r.tref)for(t=0;t<r.tref.boxes.length;t++)s={},i.references.push(s),s.type=r.tref.boxes[t].type,s.track_ids=r.tref.boxes[t].track_ids;r.edts&&(i.edits=r.edts.elst.entries),i.created=new Date(o+1e3*r.tkhd.creation_time),i.modified=new Date(o+1e3*r.tkhd.modification_time),i.movie_duration=r.tkhd.duration,i.movie_timescale=n.timescale,i.layer=r.tkhd.layer,i.alternate_group=r.tkhd.alternate_group,i.volume=r.tkhd.volume,i.matrix=r.tkhd.matrix,i.track_width=r.tkhd.width/65536,i.track_height=r.tkhd.height/65536,i.timescale=r.mdia.mdhd.timescale,i.cts_shift=r.mdia.minf.stbl.cslg,i.duration=r.mdia.mdhd.duration,i.samples_duration=r.samples_duration,i.codec=a.getCodec(),i.kind=r.udta&&r.udta.kinds.length?r.udta.kinds[0]:{schemeURI:"",value:""},i.language=r.mdia.elng?r.mdia.elng.extended_language:r.mdia.mdhd.languageString,i.nb_samples=r.samples.length,i.size=r.samples_size,i.bitrate=8*i.size*i.timescale/i.samples_duration,a.isAudio()?(i.type="audio",n.audioTracks.push(i),i.audio={},i.audio.sample_rate=a.getSampleRate(),i.audio.channel_count=a.getChannelCount(),i.audio.sample_size=a.getSampleSize()):a.isVideo()?(i.type="video",n.videoTracks.push(i),i.video={},i.video.width=a.getWidth(),i.video.height=a.getHeight()):a.isSubtitle()?(i.type="subtitles",n.subtitleTracks.push(i)):a.isHint()?(i.type="metadata",n.hintTracks.push(i)):a.isMetadata()?(i.type="metadata",n.metadataTracks.push(i)):(i.type="metadata",n.otherTracks.push(i))}else n.hasMoov=!1;if(n.mime="",n.hasMoov&&n.tracks){for(n.videoTracks&&n.videoTracks.length>0?n.mime+='video/mp4; codecs="':n.audioTracks&&n.audioTracks.length>0?n.mime+='audio/mp4; codecs="':n.mime+='application/mp4; codecs="',e=0;e<n.tracks.length;e++)0!==e&&(n.mime+=","),n.mime+=n.tracks[e].codec;n.mime+='"; profiles="',n.mime+=this.ftyp.compatible_brands.join(),n.mime+='"'}return n},g.prototype.setNextSeekPositionFromSample=function(e){e&&(this.nextSeekPosition?this.nextSeekPosition=Math.min(e.offset+e.alreadyRead,this.nextSeekPosition):this.nextSeekPosition=e.offset+e.alreadyRead)},g.prototype.processSamples=function(e){var t,r;if(this.sampleProcessingStarted){if(this.isFragmentationInitialized&&null!==this.onSegment)for(t=0;t<this.fragmentedTracks.length;t++){var i=this.fragmentedTracks[t];for(r=i.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){n.debug("ISOFile","Creating media fragment on track #"+i.id+" for sample "+r.nextSample);var s=this.createFragment(i.id,r.nextSample,i.segmentStream);if(!s)break;if(i.segmentStream=s,r.nextSample++,(r.nextSample%i.nb_samples===0||e||r.nextSample>=r.samples.length)&&(n.info("ISOFile","Sending fragmented data on track #"+i.id+" for samples ["+Math.max(0,r.nextSample-i.nb_samples)+","+(r.nextSample-1)+"]"),n.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(i.id,i.user,i.segmentStream.buffer,r.nextSample,e||r.nextSample>=r.samples.length),i.segmentStream=null,i!==this.fragmentedTracks[t]))break}}if(null!==this.onSamples)for(t=0;t<this.extractedTracks.length;t++){var a=this.extractedTracks[t];for(r=a.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){n.debug("ISOFile","Exporting on track #"+a.id+" sample #"+r.nextSample);var o=this.getSample(r,r.nextSample);if(!o){this.setNextSeekPositionFromSample(r.samples[r.nextSample]);break}if(r.nextSample++,a.samples.push(o),(r.nextSample%a.nb_samples===0||r.nextSample>=r.samples.length)&&(n.debug("ISOFile","Sending samples on track #"+a.id+" for sample "+r.nextSample),this.onSamples&&this.onSamples(a.id,a.user,a.samples),a.samples=[],a!==this.extractedTracks[t]))break}}}},g.prototype.getBox=function(e){var t=this.getBoxes(e,!0);return t.length?t[0]:null},g.prototype.getBoxes=function(e,t){var r=[];return g._sweep.call(this,e,r,t),r},g._sweep=function(e,t,r){for(var i in this.type&&this.type==e&&t.push(this),this.boxes){if(t.length&&r)return;g._sweep.call(this.boxes[i],e,t,r)}},g.prototype.getTrackSamplesInfo=function(e){var t=this.getTrackById(e);return t?t.samples:void 0},g.prototype.getTrackSample=function(e,t){var r=this.getTrackById(e);return this.getSample(r,t)},g.prototype.releaseUsedSamples=function(e,t){var r=0,i=this.getTrackById(e);i.lastValidSample||(i.lastValidSample=0);for(var s=i.lastValidSample;s<t;s++)r+=this.releaseSample(i,s);n.info("ISOFile","Track #"+e+" released samples up to "+t+" (released size: "+r+", remaining: "+this.samplesDataSize+")"),i.lastValidSample=t},g.prototype.start=function(){this.sampleProcessingStarted=!0,this.processSamples(!1)},g.prototype.stop=function(){this.sampleProcessingStarted=!1},g.prototype.flush=function(){n.info("ISOFile","Flushing remaining samples"),this.updateSampleLists(),this.processSamples(!0),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0)},g.prototype.seekTrack=function(e,t,r){var i,s,a,o,d=0,l=0;if(0===r.samples.length)return n.info("ISOFile","No sample in track, cannot seek! Using time "+n.getDurationString(0,1)+" and offset: 0"),{offset:0,time:0};for(i=0;i<r.samples.length;i++){if(s=r.samples[i],0===i)l=0,o=s.timescale;else if(s.cts>e*s.timescale){l=i-1;break}t&&s.is_sync&&(d=i)}for(t&&(l=d),e=r.samples[l].cts,r.nextSample=l;r.samples[l].alreadyRead===r.samples[l].size&&r.samples[l+1];)l++;return a=r.samples[l].offset+r.samples[l].alreadyRead,n.info("ISOFile","Seeking to "+(t?"RAP":"")+" sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+n.getDurationString(e,o)+" and offset: "+a),{offset:a,time:e/o}},g.prototype.getTrackDuration=function(e){var t;return e.samples?((t=e.samples[e.samples.length-1]).cts+t.duration)/t.timescale:1/0},g.prototype.seek=function(e,t){var r,i,s,a=this.moov,o={offset:1/0,time:1/0};if(this.moov){for(s=0;s<a.traks.length;s++)r=a.traks[s],e>this.getTrackDuration(r)||((i=this.seekTrack(e,t,r)).offset<o.offset&&(o.offset=i.offset),i.time<o.time&&(o.time=i.time));return n.info("ISOFile","Seeking at time "+n.getDurationString(o.time,1)+" needs a buffer with a fileStart position of "+o.offset),o.offset===1/0?o={offset:this.nextParsePosition,time:0}:o.offset=this.stream.getEndFilePositionAfter(o.offset),n.info("ISOFile","Adjusted seek position (after checking data already in buffer): "+o.offset),o}throw"Cannot seek: moov not received!"},g.prototype.equal=function(e){for(var t=0;t<this.boxes.length&&t<e.boxes.length;){var r=this.boxes[t],i=e.boxes[t];if(!h.boxEqual(r,i))return!1;t++}return!0},t.ISOFile=g,g.prototype.lastBoxStartPosition=0,g.prototype.parsingMdat=null,g.prototype.nextParsePosition=0,g.prototype.discardMdatData=!1,g.prototype.processIncompleteBox=function(e){var t;return"mdat"===e.type?(t=new h[e.type+"Box"](e.size),this.parsingMdat=t,this.boxes.push(t),this.mdats.push(t),t.start=e.start,t.hdr_size=e.hdr_size,this.stream.addUsedBytes(t.hdr_size),this.lastBoxStartPosition=t.start+t.size,this.stream.seek(t.start+t.size,!1,this.discardMdatData)?(this.parsingMdat=null,!0):(this.moovStartFound?this.nextParsePosition=this.stream.findEndContiguousBuf():this.nextParsePosition=t.start+t.size,!1)):("moov"===e.type&&(this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0)),!!this.stream.mergeNextBuffer&&this.stream.mergeNextBuffer()?(this.nextParsePosition=this.stream.getEndPosition(),!0):(e.type?this.moovStartFound?this.nextParsePosition=this.stream.getEndPosition():this.nextParsePosition=this.stream.getPosition()+e.size:this.nextParsePosition=this.stream.getEndPosition(),!1))},g.prototype.hasIncompleteMdat=function(){return null!==this.parsingMdat},g.prototype.processIncompleteMdat=function(){var e;return e=this.parsingMdat,this.stream.seek(e.start+e.size,!1,this.discardMdatData)?(n.debug("ISOFile","Found 'mdat' end in buffered data"),this.parsingMdat=null,!0):(this.nextParsePosition=this.stream.findEndContiguousBuf(),!1)},g.prototype.restoreParsePosition=function(){return this.stream.seek(this.lastBoxStartPosition,!0,this.discardMdatData)},g.prototype.saveParsePosition=function(){this.lastBoxStartPosition=this.stream.getPosition()},g.prototype.updateUsedBytes=function(e,t){this.stream.addUsedBytes&&("mdat"===e.type?(this.stream.addUsedBytes(e.hdr_size),this.discardMdatData&&this.stream.addUsedBytes(e.size-e.hdr_size)):this.stream.addUsedBytes(e.size))},g.prototype.add=h.Box.prototype.add,g.prototype.addBox=h.Box.prototype.addBox,g.prototype.init=function(e){var t=e||{};this.add("ftyp").set("major_brand",t.brands&&t.brands[0]||"iso4").set("minor_version",0).set("compatible_brands",t.brands||["iso4"]);var r=this.add("moov");return r.add("mvhd").set("timescale",t.timescale||600).set("rate",t.rate||65536).set("creation_time",0).set("modification_time",0).set("duration",t.duration||0).set("volume",t.width?0:256).set("matrix",[65536,0,0,0,65536,0,0,0,1073741824]).set("next_track_id",1),r.add("mvex"),this},g.prototype.addTrack=function(e){this.moov||this.init(e);var t=e||{};t.width=t.width||320,t.height=t.height||320,t.id=t.id||this.moov.mvhd.next_track_id,t.type=t.type||"avc1";var r=this.moov.add("trak");this.moov.mvhd.next_track_id=t.id+1,r.add("tkhd").set("flags",h.TKHD_FLAG_ENABLED|h.TKHD_FLAG_IN_MOVIE|h.TKHD_FLAG_IN_PREVIEW).set("creation_time",0).set("modification_time",0).set("track_id",t.id).set("duration",t.duration||0).set("layer",t.layer||0).set("alternate_group",0).set("volume",1).set("matrix",[0,0,0,0,0,0,0,0,0]).set("width",t.width<<16).set("height",t.height<<16);var i=r.add("mdia");i.add("mdhd").set("creation_time",0).set("modification_time",0).set("timescale",t.timescale||1).set("duration",t.media_duration||0).set("language",t.language||"und"),i.add("hdlr").set("handler",t.hdlr||"vide").set("name",t.name||"Track created with MP4Box.js"),i.add("elng").set("extended_language",t.language||"fr-FR");var s=i.add("minf");if(void 0!==h[t.type+"SampleEntry"]){var a=new h[t.type+"SampleEntry"];a.data_reference_index=1;var n="";for(var d in h.sampleEntryCodes)for(var l=h.sampleEntryCodes[d],u=0;u<l.length;u++)if(l.indexOf(t.type)>-1){n=d;break}switch(n){case"Visual":if(s.add("vmhd").set("graphicsmode",0).set("opcolor",[0,0,0]),a.set("width",t.width).set("height",t.height).set("horizresolution",72<<16).set("vertresolution",72<<16).set("frame_count",1).set("compressorname",t.type+" Compressor").set("depth",24),t.avcDecoderConfigRecord){var c=new h.avcCBox;c.parse(new o(t.avcDecoderConfigRecord)),a.addBox(c)}else if(t.hevcDecoderConfigRecord){var f=new h.hvcCBox;f.parse(new o(t.hevcDecoderConfigRecord)),a.addBox(f)}break;case"Audio":s.add("smhd").set("balance",t.balance||0),a.set("channel_count",t.channel_count||2).set("samplesize",t.samplesize||16).set("samplerate",t.samplerate||65536);break;case"Hint":s.add("hmhd");break;case"Subtitle":if(s.add("sthd"),"stpp"===t.type)a.set("namespace",t.namespace||"nonamespace").set("schema_location",t.schema_location||"").set("auxiliary_mime_types",t.auxiliary_mime_types||"");break;default:s.add("nmhd")}t.description&&a.addBox(t.description),t.description_boxes&&t.description_boxes.forEach((function(e){a.addBox(e)})),s.add("dinf").add("dref").addEntry((new h["url Box"]).set("flags",1));var p=s.add("stbl");return p.add("stsd").addEntry(a),p.add("stts").set("sample_counts",[]).set("sample_deltas",[]),p.add("stsc").set("first_chunk",[]).set("samples_per_chunk",[]).set("sample_description_index",[]),p.add("stco").set("chunk_offsets",[]),p.add("stsz").set("sample_sizes",[]),this.moov.mvex.add("trex").set("track_id",t.id).set("default_sample_description_index",t.default_sample_description_index||1).set("default_sample_duration",t.default_sample_duration||0).set("default_sample_size",t.default_sample_size||0).set("default_sample_flags",t.default_sample_flags||0),this.buildTrakSampleLists(r),t.id}},h.Box.prototype.computeSize=function(e){var t=e||new d;t.endianness=d.BIG_ENDIAN,this.write(t)},g.prototype.addSample=function(e,t,r){var i=r||{},s={},a=this.getTrackById(e);if(null!==a){s.number=a.samples.length,s.track_id=a.tkhd.track_id,s.timescale=a.mdia.mdhd.timescale,s.description_index=i.sample_description_index?i.sample_description_index-1:0,s.description=a.mdia.minf.stbl.stsd.entries[s.description_index],s.data=t,s.size=t.byteLength,s.alreadyRead=s.size,s.duration=i.duration||1,s.cts=i.cts||0,s.dts=i.dts||0,s.is_sync=i.is_sync||!1,s.is_leading=i.is_leading||0,s.depends_on=i.depends_on||0,s.is_depended_on=i.is_depended_on||0,s.has_redundancy=i.has_redundancy||0,s.degradation_priority=i.degradation_priority||0,s.offset=0,s.subsamples=i.subsamples,a.samples.push(s),a.samples_size+=s.size,a.samples_duration+=s.duration,void 0===a.first_dts&&(a.first_dts=i.dts),this.processSamples();var n=this.createSingleSampleMoof(s);return this.addBox(n),n.computeSize(),n.trafs[0].truns[0].data_offset=n.size+8,this.add("mdat").data=new Uint8Array(t),s}},g.prototype.createSingleSampleMoof=function(e){var t=0;t=e.is_sync?1<<25:65536;var r=new h.moofBox;r.add("mfhd").set("sequence_number",this.nextMoofNumber),this.nextMoofNumber++;var i=r.add("traf"),s=this.getTrackById(e.track_id);return i.add("tfhd").set("track_id",e.track_id).set("flags",h.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),i.add("tfdt").set("baseMediaDecodeTime",e.dts-(s.first_dts||0)),i.add("trun").set("flags",h.TRUN_FLAGS_DATA_OFFSET|h.TRUN_FLAGS_DURATION|h.TRUN_FLAGS_SIZE|h.TRUN_FLAGS_FLAGS|h.TRUN_FLAGS_CTS_OFFSET).set("data_offset",0).set("first_sample_flags",0).set("sample_count",1).set("sample_duration",[e.duration]).set("sample_size",[e.size]).set("sample_flags",[t]).set("sample_composition_time_offset",[e.cts-e.dts]),r},g.prototype.lastMoofIndex=0,g.prototype.samplesDataSize=0,g.prototype.resetTables=function(){var e,t,r,i,s,a;for(this.initial_duration=this.moov.mvhd.duration,this.moov.mvhd.duration=0,e=0;e<this.moov.traks.length;e++){(t=this.moov.traks[e]).tkhd.duration=0,t.mdia.mdhd.duration=0,(t.mdia.minf.stbl.stco||t.mdia.minf.stbl.co64).chunk_offsets=[],(r=t.mdia.minf.stbl.stsc).first_chunk=[],r.samples_per_chunk=[],r.sample_description_index=[],(t.mdia.minf.stbl.stsz||t.mdia.minf.stbl.stz2).sample_sizes=[],(i=t.mdia.minf.stbl.stts).sample_counts=[],i.sample_deltas=[],(s=t.mdia.minf.stbl.ctts)&&(s.sample_counts=[],s.sample_offsets=[]),a=t.mdia.minf.stbl.stss;var n=t.mdia.minf.stbl.boxes.indexOf(a);-1!=n&&(t.mdia.minf.stbl.boxes[n]=null)}},g.initSampleGroups=function(e,t,r,i,s){var a,n,o,d;function l(e,t,r){this.grouping_type=e,this.grouping_type_parameter=t,this.sbgp=r,this.last_sample_in_run=-1,this.entry_index=-1}for(t&&(t.sample_groups_info=[]),e.sample_groups_info||(e.sample_groups_info=[]),n=0;n<r.length;n++){for(d=r[n].grouping_type+"/"+r[n].grouping_type_parameter,o=new l(r[n].grouping_type,r[n].grouping_type_parameter,r[n]),t&&(t.sample_groups_info[d]=o),e.sample_groups_info[d]||(e.sample_groups_info[d]=o),a=0;a<i.length;a++)i[a].grouping_type===r[n].grouping_type&&(o.description=i[a],o.description.used=!0);if(s)for(a=0;a<s.length;a++)s[a].grouping_type===r[n].grouping_type&&(o.fragment_description=s[a],o.fragment_description.used=!0,o.is_fragment=!0)}if(t){if(s)for(n=0;n<s.length;n++)!s[n].used&&s[n].version>=2&&(d=s[n].grouping_type+"/0",(o=new l(s[n].grouping_type,0)).is_fragment=!0,t.sample_groups_info[d]||(t.sample_groups_info[d]=o))}else for(n=0;n<i.length;n++)!i[n].used&&i[n].version>=2&&(d=i[n].grouping_type+"/0",o=new l(i[n].grouping_type,0),e.sample_groups_info[d]||(e.sample_groups_info[d]=o))},g.setSampleGroupProperties=function(e,t,r,i){var s,a;for(s in t.sample_groups=[],i){var n;if(t.sample_groups[s]={},t.sample_groups[s].grouping_type=i[s].grouping_type,t.sample_groups[s].grouping_type_parameter=i[s].grouping_type_parameter,r>=i[s].last_sample_in_run&&(i[s].last_sample_in_run<0&&(i[s].last_sample_in_run=0),i[s].entry_index++,i[s].entry_index<=i[s].sbgp.entries.length-1&&(i[s].last_sample_in_run+=i[s].sbgp.entries[i[s].entry_index].sample_count)),i[s].entry_index<=i[s].sbgp.entries.length-1?t.sample_groups[s].group_description_index=i[s].sbgp.entries[i[s].entry_index].group_description_index:t.sample_groups[s].group_description_index=-1,0!==t.sample_groups[s].group_description_index)n=i[s].fragment_description?i[s].fragment_description:i[s].description,t.sample_groups[s].group_description_index>0?(a=t.sample_groups[s].group_description_index>65535?(t.sample_groups[s].group_description_index>>16)-1:t.sample_groups[s].group_description_index-1,n&&a>=0&&(t.sample_groups[s].description=n.entries[a])):n&&n.version>=2&&n.default_group_description_index>0&&(t.sample_groups[s].description=n.entries[n.default_group_description_index-1])}},g.process_sdtp=function(e,t,r){t&&(e?(t.is_leading=e.is_leading[r],t.depends_on=e.sample_depends_on[r],t.is_depended_on=e.sample_is_depended_on[r],t.has_redundancy=e.sample_has_redundancy[r]):(t.is_leading=0,t.depends_on=0,t.is_depended_on=0,t.has_redundancy=0))},g.prototype.buildSampleLists=function(){var e,t;for(e=0;e<this.moov.traks.length;e++)t=this.moov.traks[e],this.buildTrakSampleLists(t)},g.prototype.buildTrakSampleLists=function(e){var t,r,i,s,a,n,o,d,l,u,c,h,f,p,m,_,y,b,v,w,S,E,U,A;if(e.samples=[],e.samples_duration=0,e.samples_size=0,r=e.mdia.minf.stbl.stco||e.mdia.minf.stbl.co64,i=e.mdia.minf.stbl.stsc,s=e.mdia.minf.stbl.stsz||e.mdia.minf.stbl.stz2,a=e.mdia.minf.stbl.stts,n=e.mdia.minf.stbl.ctts,o=e.mdia.minf.stbl.stss,d=e.mdia.minf.stbl.stsd,l=e.mdia.minf.stbl.subs,h=e.mdia.minf.stbl.stdp,u=e.mdia.minf.stbl.sbgps,c=e.mdia.minf.stbl.sgpds,b=-1,v=-1,w=-1,S=-1,E=0,U=0,A=0,g.initSampleGroups(e,null,u,c),void 0!==s){for(t=0;t<s.sample_sizes.length;t++){var x={};x.number=t,x.track_id=e.tkhd.track_id,x.timescale=e.mdia.mdhd.timescale,x.alreadyRead=0,e.samples[t]=x,x.size=s.sample_sizes[t],e.samples_size+=x.size,0===t?(p=1,f=0,x.chunk_index=p,x.chunk_run_index=f,y=i.samples_per_chunk[f],_=0,m=f+1<i.first_chunk.length?i.first_chunk[f+1]-1:1/0):t<y?(x.chunk_index=p,x.chunk_run_index=f):(p++,x.chunk_index=p,_=0,p<=m||(m=++f+1<i.first_chunk.length?i.first_chunk[f+1]-1:1/0),x.chunk_run_index=f,y+=i.samples_per_chunk[f]),x.description_index=i.sample_description_index[x.chunk_run_index]-1,x.description=d.entries[x.description_index],x.offset=r.chunk_offsets[x.chunk_index-1]+_,_+=x.size,t>b&&(v++,b<0&&(b=0),b+=a.sample_counts[v]),t>0?(e.samples[t-1].duration=a.sample_deltas[v],e.samples_duration+=e.samples[t-1].duration,x.dts=e.samples[t-1].dts+e.samples[t-1].duration):x.dts=0,n?(t>=w&&(S++,w<0&&(w=0),w+=n.sample_counts[S]),x.cts=e.samples[t].dts+n.sample_offsets[S]):x.cts=x.dts,o?(t==o.sample_numbers[E]-1?(x.is_sync=!0,E++):(x.is_sync=!1,x.degradation_priority=0),l&&l.entries[U].sample_delta+A==t+1&&(x.subsamples=l.entries[U].subsamples,A+=l.entries[U].sample_delta,U++)):x.is_sync=!0,g.process_sdtp(e.mdia.minf.stbl.sdtp,x,x.number),x.degradation_priority=h?h.priority[t]:0,l&&l.entries[U].sample_delta+A==t&&(x.subsamples=l.entries[U].subsamples,A+=l.entries[U].sample_delta),(u.length>0||c.length>0)&&g.setSampleGroupProperties(e,x,t,e.sample_groups_info)}t>0&&(e.samples[t-1].duration=Math.max(e.mdia.mdhd.duration-e.samples[t-1].dts,0),e.samples_duration+=e.samples[t-1].duration)}},g.prototype.updateSampleLists=function(){var e,t,r,i,s,a,n,o,d,l,u,c,f,p,m;if(void 0!==this.moov)for(;this.lastMoofIndex<this.moofs.length;)if(d=this.moofs[this.lastMoofIndex],this.lastMoofIndex++,"moof"==d.type)for(l=d,e=0;e<l.trafs.length;e++){for(u=l.trafs[e],c=this.getTrackById(u.tfhd.track_id),f=this.getTrexById(u.tfhd.track_id),i=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_DESC?u.tfhd.default_sample_description_index:f?f.default_sample_description_index:1,s=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_DUR?u.tfhd.default_sample_duration:f?f.default_sample_duration:0,a=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_SIZE?u.tfhd.default_sample_size:f?f.default_sample_size:0,n=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_FLAGS?u.tfhd.default_sample_flags:f?f.default_sample_flags:0,u.sample_number=0,u.sbgps.length>0&&g.initSampleGroups(c,u,u.sbgps,c.mdia.minf.stbl.sgpds,u.sgpds),t=0;t<u.truns.length;t++){var _=u.truns[t];for(r=0;r<_.sample_count;r++)if((p={}).moof_number=this.lastMoofIndex,p.number_in_traf=u.sample_number,u.sample_number++,c.samples){p.number=c.samples.length,u.first_sample_index=c.samples.length,c.samples.push(p),p.track_id=c.tkhd.track_id,p.timescale=c.mdia.mdhd.timescale,p.description_index=i-1,p.description=c.mdia.minf.stbl.stsd.entries[p.description_index],p.size=a,_.flags&h.TRUN_FLAGS_SIZE&&(p.size=_.sample_size[r]),c.samples_size+=p.size,p.duration=s,_.flags&h.TRUN_FLAGS_DURATION&&(p.duration=_.sample_duration[r]),c.samples_duration+=p.duration,c.first_traf_merged||r>0?p.dts=c.samples[c.samples.length-2].dts+c.samples[c.samples.length-2].duration:(u.tfdt?p.dts=u.tfdt.baseMediaDecodeTime:p.dts=0,c.first_traf_merged=!0),p.cts=p.dts,_.flags&h.TRUN_FLAGS_CTS_OFFSET&&(p.cts=p.dts+_.sample_composition_time_offset[r]),m=n,_.flags&h.TRUN_FLAGS_FLAGS?m=_.sample_flags[r]:0===r&&_.flags&h.TRUN_FLAGS_FIRST_FLAG&&(m=_.first_sample_flags),p.is_sync=!(m>>16&1),p.is_leading=m>>26&3,p.depends_on=m>>24&3,p.is_depended_on=m>>22&3,p.has_redundancy=m>>20&3,p.degradation_priority=65535&m;var y=!!(u.tfhd.flags&h.TFHD_FLAG_BASE_DATA_OFFSET),b=!!(u.tfhd.flags&h.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),v=!!(_.flags&h.TRUN_FLAGS_DATA_OFFSET),w=0;w=y?u.tfhd.base_data_offset:b||0===t?l.start:o,p.offset=0===t&&0===r?v?w+_.data_offset:w:o,o=p.offset+p.size,(u.sbgps.length>0||u.sgpds.length>0||c.mdia.minf.stbl.sbgps.length>0||c.mdia.minf.stbl.sgpds.length>0)&&g.setSampleGroupProperties(c,p,p.number_in_traf,u.sample_groups_info)}}if(u.subs){c.has_fragment_subsamples=!0;var S=u.first_sample_index;for(t=0;t<u.subs.entries.length;t++)S+=u.subs.entries[t].sample_delta,(p=c.samples[S-1]).subsamples=u.subs.entries[t].subsamples}}},g.prototype.getSample=function(e,t){var r,i=e.samples[t];if(!this.moov)return null;if(i.data){if(i.alreadyRead==i.size)return i}else i.data=new Uint8Array(i.size),i.alreadyRead=0,this.samplesDataSize+=i.size,n.debug("ISOFile","Allocating sample #"+t+" on track #"+e.tkhd.track_id+" of size "+i.size+" (total: "+this.samplesDataSize+")");for(;;){var s=this.stream.findPosition(!0,i.offset+i.alreadyRead,!1);if(!(s>-1))return null;var a=(r=this.stream.buffers[s]).byteLength-(i.offset+i.alreadyRead-r.fileStart);if(i.size-i.alreadyRead<=a)return n.debug("ISOFile","Getting sample #"+t+" data (alreadyRead: "+i.alreadyRead+" offset: "+(i.offset+i.alreadyRead-r.fileStart)+" read size: "+(i.size-i.alreadyRead)+" full size: "+i.size+")"),d.memcpy(i.data.buffer,i.alreadyRead,r,i.offset+i.alreadyRead-r.fileStart,i.size-i.alreadyRead),r.usedBytes+=i.size-i.alreadyRead,this.stream.logBufferLevel(),i.alreadyRead=i.size,i;if(0===a)return null;n.debug("ISOFile","Getting sample #"+t+" partial data (alreadyRead: "+i.alreadyRead+" offset: "+(i.offset+i.alreadyRead-r.fileStart)+" read size: "+a+" full size: "+i.size+")"),d.memcpy(i.data.buffer,i.alreadyRead,r,i.offset+i.alreadyRead-r.fileStart,a),i.alreadyRead+=a,r.usedBytes+=a,this.stream.logBufferLevel()}},g.prototype.releaseSample=function(e,t){var r=e.samples[t];return r.data?(this.samplesDataSize-=r.size,r.data=null,r.alreadyRead=0,r.size):0},g.prototype.getAllocatedSampleDataSize=function(){return this.samplesDataSize},g.prototype.getCodecs=function(){var e,t="";for(e=0;e<this.moov.traks.length;e++){e>0&&(t+=","),t+=this.moov.traks[e].mdia.minf.stbl.stsd.entries[0].getCodec()}return t},g.prototype.getTrexById=function(e){var t;if(!this.moov||!this.moov.mvex)return null;for(t=0;t<this.moov.mvex.trexs.length;t++){var r=this.moov.mvex.trexs[t];if(r.track_id==e)return r}return null},g.prototype.getTrackById=function(e){if(void 0===this.moov)return null;for(var t=0;t<this.moov.traks.length;t++){var r=this.moov.traks[t];if(r.tkhd.track_id==e)return r}return null},g.prototype.items=[],g.prototype.entity_groups=[],g.prototype.itemsDataSize=0,g.prototype.flattenItemInfo=function(){var e,t,r,i=this.items,s=this.entity_groups,a=this.meta;if(null!=a&&void 0!==a.hdlr&&void 0!==a.iinf){for(e=0;e<a.iinf.item_infos.length;e++)(r={}).id=a.iinf.item_infos[e].item_ID,i[r.id]=r,r.ref_to=[],r.name=a.iinf.item_infos[e].item_name,a.iinf.item_infos[e].protection_index>0&&(r.protection=a.ipro.protections[a.iinf.item_infos[e].protection_index-1]),a.iinf.item_infos[e].item_type?r.type=a.iinf.item_infos[e].item_type:r.type="mime",r.content_type=a.iinf.item_infos[e].content_type,r.content_encoding=a.iinf.item_infos[e].content_encoding;if(a.grpl)for(e=0;e<a.grpl.boxes.length;e++)entity_group={},entity_group.id=a.grpl.boxes[e].group_id,entity_group.entity_ids=a.grpl.boxes[e].entity_ids,entity_group.type=a.grpl.boxes[e].type,s[entity_group.id]=entity_group;if(a.iloc)for(e=0;e<a.iloc.items.length;e++){var o=a.iloc.items[e];switch(r=i[o.item_ID],0!==o.data_reference_index&&(n.warn("Item storage with reference to other files: not supported"),r.source=a.dinf.boxes[o.data_reference_index-1]),o.construction_method){case 0:break;case 1:case 2:n.warn("Item storage with construction_method : not supported")}for(r.extents=[],r.size=0,t=0;t<o.extents.length;t++)r.extents[t]={},r.extents[t].offset=o.extents[t].extent_offset+o.base_offset,r.extents[t].length=o.extents[t].extent_length,r.extents[t].alreadyRead=0,r.size+=r.extents[t].length}if(a.pitm&&(i[a.pitm.item_id].primary=!0),a.iref)for(e=0;e<a.iref.references.length;e++){var d=a.iref.references[e];for(t=0;t<d.references.length;t++)i[d.from_item_ID].ref_to.push({type:d.type,id:d.references[t]})}if(a.iprp)for(var l=0;l<a.iprp.ipmas.length;l++){var u=a.iprp.ipmas[l];for(e=0;e<u.associations.length;e++){var c=u.associations[e];if((r=i[c.id])||(r=s[c.id]),r)for(void 0===r.properties&&(r.properties={},r.properties.boxes=[]),t=0;t<c.props.length;t++){var h=c.props[t];if(h.property_index>0&&h.property_index-1<a.iprp.ipco.boxes.length){var f=a.iprp.ipco.boxes[h.property_index-1];r.properties[f.type]=f,r.properties.boxes.push(f)}}}}}},g.prototype.getItem=function(e){var t,r;if(!this.meta)return null;if(!(r=this.items[e]).data&&r.size)r.data=new Uint8Array(r.size),r.alreadyRead=0,this.itemsDataSize+=r.size,n.debug("ISOFile","Allocating item #"+e+" of size "+r.size+" (total: "+this.itemsDataSize+")");else if(r.alreadyRead===r.size)return r;for(var i=0;i<r.extents.length;i++){var s=r.extents[i];if(s.alreadyRead!==s.length){var a=this.stream.findPosition(!0,s.offset+s.alreadyRead,!1);if(!(a>-1))return null;var o=(t=this.stream.buffers[a]).byteLength-(s.offset+s.alreadyRead-t.fileStart);if(!(s.length-s.alreadyRead<=o))return n.debug("ISOFile","Getting item #"+e+" extent #"+i+" partial data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-t.fileStart)+" read size: "+o+" full extent size: "+s.length+" full item size: "+r.size+")"),d.memcpy(r.data.buffer,r.alreadyRead,t,s.offset+s.alreadyRead-t.fileStart,o),s.alreadyRead+=o,r.alreadyRead+=o,t.usedBytes+=o,this.stream.logBufferLevel(),null;n.debug("ISOFile","Getting item #"+e+" extent #"+i+" data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-t.fileStart)+" read size: "+(s.length-s.alreadyRead)+" full extent size: "+s.length+" full item size: "+r.size+")"),d.memcpy(r.data.buffer,r.alreadyRead,t,s.offset+s.alreadyRead-t.fileStart,s.length-s.alreadyRead),t.usedBytes+=s.length-s.alreadyRead,this.stream.logBufferLevel(),r.alreadyRead+=s.length-s.alreadyRead,s.alreadyRead=s.length}}return r.alreadyRead===r.size?r:null},g.prototype.releaseItem=function(e){var t=this.items[e];if(t.data){this.itemsDataSize-=t.size,t.data=null,t.alreadyRead=0;for(var r=0;r<t.extents.length;r++){t.extents[r].alreadyRead=0}return t.size}return 0},g.prototype.processItems=function(e){for(var t in this.items){var r=this.items[t];this.getItem(r.id),e&&!r.sent&&(e(r),r.sent=!0,r.data=null)}},g.prototype.hasItem=function(e){for(var t in this.items){var r=this.items[t];if(r.name===e)return r.id}return-1},g.prototype.getMetaHandler=function(){return this.meta?this.meta.hdlr.handler:null},g.prototype.getPrimaryItem=function(){return this.meta&&this.meta.pitm?this.getItem(this.meta.pitm.item_id):null},g.prototype.itemToFragmentedTrackFile=function(e){var t=e||{},r=null;if(null==(r=t.itemId?this.getItem(t.itemId):this.getPrimaryItem()))return null;var i=new g;i.discardMdatData=!1;var s={type:r.type,description_boxes:r.properties.boxes};r.properties.ispe&&(s.width=r.properties.ispe.image_width,s.height=r.properties.ispe.image_height);var a=i.addTrack(s);return a?(i.addSample(a,r.data),i):null},g.prototype.write=function(e){for(var t=0;t<this.boxes.length;t++)this.boxes[t].write(e)},g.prototype.createFragment=function(e,t,r){var i=this.getTrackById(e),s=this.getSample(i,t);if(null==s)return this.setNextSeekPositionFromSample(i.samples[t]),null;var a=r||new d;a.endianness=d.BIG_ENDIAN;var o=this.createSingleSampleMoof(s);o.write(a),o.trafs[0].truns[0].data_offset=o.size+8,n.debug("MP4Box","Adjusting data_offset with new value "+o.trafs[0].truns[0].data_offset),a.adjustUint32(o.trafs[0].truns[0].data_offset_position,o.trafs[0].truns[0].data_offset);var l=new h.mdatBox;return l.data=s.data,l.write(a),a},g.writeInitializationSegment=function(e,t,r,i){var s;n.debug("ISOFile","Generating initialization segment");var a=new d;a.endianness=d.BIG_ENDIAN,e.write(a);var o=t.add("mvex");for(r&&o.add("mehd").set("fragment_duration",r),s=0;s<t.traks.length;s++)o.add("trex").set("track_id",t.traks[s].tkhd.track_id).set("default_sample_description_index",1).set("default_sample_duration",i).set("default_sample_size",0).set("default_sample_flags",65536);return t.write(a),a.buffer},g.prototype.save=function(e){var t=new d;t.endianness=d.BIG_ENDIAN,this.write(t),t.save(e)},g.prototype.getBuffer=function(){var e=new d;return e.endianness=d.BIG_ENDIAN,this.write(e),e.buffer},g.prototype.initializeSegmentation=function(){var e,t,r,i;for(null===this.onSegment&&n.warn("MP4Box","No segmentation callback set!"),this.isFragmentationInitialized||(this.isFragmentationInitialized=!0,this.nextMoofNumber=0,this.resetTables()),t=[],e=0;e<this.fragmentedTracks.length;e++){var s=new h.moovBox;s.mvhd=this.moov.mvhd,s.boxes.push(s.mvhd),r=this.getTrackById(this.fragmentedTracks[e].id),s.boxes.push(r),s.traks.push(r),(i={}).id=r.tkhd.track_id,i.user=this.fragmentedTracks[e].user,i.buffer=g.writeInitializationSegment(this.ftyp,s,this.moov.mvex&&this.moov.mvex.mehd?this.moov.mvex.mehd.fragment_duration:void 0,this.moov.traks[e].samples.length>0?this.moov.traks[e].samples[0].duration:0),t.push(i)}return t},h.Box.prototype.printHeader=function(e){this.size+=8,this.size>l&&(this.size+=8),"uuid"===this.type&&(this.size+=16),e.log(e.indent+"size:"+this.size),e.log(e.indent+"type:"+this.type)},h.FullBox.prototype.printHeader=function(e){this.size+=4,h.Box.prototype.printHeader.call(this,e),e.log(e.indent+"version:"+this.version),e.log(e.indent+"flags:"+this.flags)},h.Box.prototype.print=function(e){this.printHeader(e)},h.ContainerBox.prototype.print=function(e){this.printHeader(e);for(var t=0;t<this.boxes.length;t++)if(this.boxes[t]){var r=e.indent;e.indent+=" ",this.boxes[t].print(e),e.indent=r}},g.prototype.print=function(e){e.indent="";for(var t=0;t<this.boxes.length;t++)this.boxes[t]&&this.boxes[t].print(e)},h.mvhdBox.prototype.print=function(e){h.FullBox.prototype.printHeader.call(this,e),e.log(e.indent+"creation_time: "+this.creation_time),e.log(e.indent+"modification_time: "+this.modification_time),e.log(e.indent+"timescale: "+this.timescale),e.log(e.indent+"duration: "+this.duration),e.log(e.indent+"rate: "+this.rate),e.log(e.indent+"volume: "+(this.volume>>8)),e.log(e.indent+"matrix: "+this.matrix.join(", ")),e.log(e.indent+"next_track_id: "+this.next_track_id)},h.tkhdBox.prototype.print=function(e){h.FullBox.prototype.printHeader.call(this,e),e.log(e.indent+"creation_time: "+this.creation_time),e.log(e.indent+"modification_time: "+this.modification_time),e.log(e.indent+"track_id: "+this.track_id),e.log(e.indent+"duration: "+this.duration),e.log(e.indent+"volume: "+(this.volume>>8)),e.log(e.indent+"matrix: "+this.matrix.join(", ")),e.log(e.indent+"layer: "+this.layer),e.log(e.indent+"alternate_group: "+this.alternate_group),e.log(e.indent+"width: "+this.width),e.log(e.indent+"height: "+this.height)};var y={createFile:function(e,t){var r=void 0===e||e,i=new g(t);return i.discardMdatData=!r,i}};t.createFile=y.createFile}));function pi(e){return e.reduce(((e,t)=>256*e+t))}function mi(e){const t=[101,103,119,99],r=e.length-28,i=e.slice(r,r+t.length);return t.every(((e,t)=>e===i[t]))}fi.Log,fi.MP4BoxStream,fi.DataStream,fi.MultiBufferStream,fi.MPEG4DescriptorParser,fi.BoxParser,fi.XMLSubtitlein4Parser,fi.Textin4Parser,fi.ISOFile,fi.createFile;class _i{constructor(){this.s=null,this.a=null,this.l=0,this.c=0,this.u=1/0,this.A=!1,this.d=!1,this.r=4194304,this.n=new Uint8Array([30,158,90,33,244,57,83,165,2,70,35,87,215,231,226,108]),this.t=this.n.slice().reverse()}destroy(){this.s=null,this.a=null,this.l=0,this.c=0,this.u=1/0,this.A=!1,this.d=!1,this.r=4194304,this.n=null,this.t=null}transport(e){if(!this.s&&this.l>50)return e;if(this.l++,this.d)return e;const t=new Uint8Array(e);if(this.A){if(!(this.c<this.u))return this.a&&this.s?(this.a.set(t,this.r),this.s.parse(null,this.r,t.byteLength),this.a.slice(this.r,this.r+t.byteLength)):(console.error("video_error_2"),this.d=!0,e);mi(t)&&this.c++}else{const r=function(e,t){const r=function(e,t){for(let r=0;r<e.byteLength-t.length;r++)for(let i=0;i<t.length&&e[r+i]===t[i];i++)if(i===t.length-1)return r;return null}(e,t);if(r){const t=pi(e.slice(r+16,r+16+8));return[t,pi(e.slice(r+24,r+24+8)),function(e){return e.map((e=>~e))}(e.slice(r+32,r+32+t))]}return null}(t,this.t);if(!r)return e;const i=function(e){try{if("object"!=typeof WebAssembly||"function"!=typeof WebAssembly.instantiate)throw null;{const e=new WebAssembly.Module(Uint8Array.of(0,97,115,109,1,0,0,0));if(!(e instanceof WebAssembly.Module&&new WebAssembly.Instance(e)instanceof WebAssembly.Instance))throw null}}catch(e){return new Error("video_error_4")}let t;try{t={env:{__handle_stack_overflow:()=>e(new Error("video_error_1")),memory:new WebAssembly.Memory({initial:256,maximum:256})}}}catch(e){return new Error("video_error_5")}return t}(e);if(i instanceof Error)return console.error(i.message),this.d=!0,e;this.A=!0,this.u=r[1],mi(t)&&this.c++,WebAssembly.instantiate(r[2],i).then((e=>{if("function"!=typeof(t=e.instance.exports).parse||"object"!=typeof t.memory)return this.d=!0,void console.error("video_error_3");var t;this.s=e.instance.exports,this.a=new Uint8Array(this.s.memory.buffer)})).catch((e=>{this.d=!0,console.error("video_error_6")}))}return e}}const gi=16,yi=[214,144,233,254,204,225,61,183,22,182,20,194,40,251,44,5,43,103,154,118,42,190,4,195,170,68,19,38,73,134,6,153,156,66,80,244,145,239,152,122,51,84,11,67,237,207,172,98,228,179,28,169,201,8,232,149,128,223,148,250,117,143,63,166,71,7,167,252,243,115,23,186,131,89,60,25,230,133,79,168,104,107,129,178,113,100,218,139,248,235,15,75,112,86,157,53,30,36,14,94,99,88,209,162,37,34,124,59,1,33,120,135,212,0,70,87,159,211,39,82,76,54,2,231,160,196,200,158,234,191,138,210,64,199,56,181,163,247,242,206,249,97,21,161,224,174,93,164,155,52,26,85,173,147,50,48,245,140,177,227,29,246,226,46,130,102,202,96,192,41,35,171,13,83,78,111,213,219,55,69,222,253,142,47,3,255,106,114,109,108,91,81,141,27,175,146,187,221,188,127,17,217,92,65,31,16,90,216,10,193,49,136,165,205,123,189,45,116,208,18,184,229,180,176,137,105,151,74,12,150,119,126,101,185,241,9,197,110,198,132,24,240,125,236,58,220,77,32,121,238,95,62,215,203,57,72],bi=[462357,472066609,943670861,1415275113,1886879365,2358483617,2830087869,3301692121,3773296373,4228057617,404694573,876298825,1347903077,1819507329,2291111581,2762715833,3234320085,3705924337,4177462797,337322537,808926789,1280531041,1752135293,2223739545,2695343797,3166948049,3638552301,4110090761,269950501,741554753,1213159005,1684763257];function vi(e){const t=[];for(let r=0,i=e.length;r<i;r+=2)t.push(parseInt(e.substr(r,2),16));return t}function wi(e,t){const r=31&t;return e<<r|e>>>32-r}function Si(e){return(255&yi[e>>>24&255])<<24|(255&yi[e>>>16&255])<<16|(255&yi[e>>>8&255])<<8|255&yi[255&e]}function Ei(e){return e^wi(e,2)^wi(e,10)^wi(e,18)^wi(e,24)}function Ui(e){return e^wi(e,13)^wi(e,23)}function Ai(e,t,r){const i=new Array(4),s=new Array(4);for(let t=0;t<4;t++)s[0]=255&e[4*t],s[1]=255&e[4*t+1],s[2]=255&e[4*t+2],s[3]=255&e[4*t+3],i[t]=s[0]<<24|s[1]<<16|s[2]<<8|s[3];for(let e,t=0;t<32;t+=4)e=i[1]^i[2]^i[3]^r[t+0],i[0]^=Ei(Si(e)),e=i[2]^i[3]^i[0]^r[t+1],i[1]^=Ei(Si(e)),e=i[3]^i[0]^i[1]^r[t+2],i[2]^=Ei(Si(e)),e=i[0]^i[1]^i[2]^r[t+3],i[3]^=Ei(Si(e));for(let e=0;e<16;e+=4)t[e]=i[3-e/4]>>>24&255,t[e+1]=i[3-e/4]>>>16&255,t[e+2]=i[3-e/4]>>>8&255,t[e+3]=255&i[3-e/4]}function xi(e,t,r,{padding:i="pkcs#7",mode:s,iv:a=[],output:n="string"}={}){if("cbc"===s&&("string"==typeof a&&(a=vi(a)),16!==a.length))throw new Error("iv is invalid");if("string"==typeof t&&(t=vi(t)),16!==t.length)throw new Error("key is invalid");if(e="string"==typeof e?0!==r?function(e){const t=[];for(let r=0,i=e.length;r<i;r++){const i=e.codePointAt(r);if(i<=127)t.push(i);else if(i<=2047)t.push(192|i>>>6),t.push(128|63&i);else if(i<=55295||i>=57344&&i<=65535)t.push(224|i>>>12),t.push(128|i>>>6&63),t.push(128|63&i);else{if(!(i>=65536&&i<=1114111))throw t.push(i),new Error("input is not supported");r++,t.push(240|i>>>18&28),t.push(128|i>>>12&63),t.push(128|i>>>6&63),t.push(128|63&i)}}return t}(e):vi(e):[...e],("pkcs#5"===i||"pkcs#7"===i)&&0!==r){const t=gi-e.length%gi;for(let r=0;r<t;r++)e.push(t)}const o=new Array(32);!function(e,t,r){const i=new Array(4),s=new Array(4);for(let t=0;t<4;t++)s[0]=255&e[0+4*t],s[1]=255&e[1+4*t],s[2]=255&e[2+4*t],s[3]=255&e[3+4*t],i[t]=s[0]<<24|s[1]<<16|s[2]<<8|s[3];i[0]^=2746333894,i[1]^=1453994832,i[2]^=1736282519,i[3]^=2993693404;for(let e,r=0;r<32;r+=4)e=i[1]^i[2]^i[3]^bi[r+0],t[r+0]=i[0]^=Ui(Si(e)),e=i[2]^i[3]^i[0]^bi[r+1],t[r+1]=i[1]^=Ui(Si(e)),e=i[3]^i[0]^i[1]^bi[r+2],t[r+2]=i[2]^=Ui(Si(e)),e=i[0]^i[1]^i[2]^bi[r+3],t[r+3]=i[3]^=Ui(Si(e));if(0===r)for(let e,r=0;r<16;r++)e=t[r],t[r]=t[31-r],t[31-r]=e}(t,o,r);const d=[];let l=a,u=e.length,c=0;for(;u>=gi;){const t=e.slice(c,c+16),i=new Array(16);if("cbc"===s)for(let e=0;e<gi;e++)0!==r&&(t[e]^=l[e]);Ai(t,i,o);for(let e=0;e<gi;e++)"cbc"===s&&0===r&&(i[e]^=l[e]),d[c+e]=i[e];"cbc"===s&&(l=0!==r?i:t),u-=gi,c+=gi}if(("pkcs#5"===i||"pkcs#7"===i)&&0===r){const e=d.length,t=d[e-1];for(let r=1;r<=t;r++)if(d[e-r]!==t)throw new Error("padding is invalid");d.splice(e-t,t)}return"array"!==n?0!==r?d.map((e=>1===(e=e.toString(16)).length?"0"+e:e)).join(""):function(e){const t=[];for(let r=0,i=e.length;r<i;r++)e[r]>=240&&e[r]<=247?(t.push(String.fromCodePoint(((7&e[r])<<18)+((63&e[r+1])<<12)+((63&e[r+2])<<6)+(63&e[r+3]))),r+=3):e[r]>=224&&e[r]<=239?(t.push(String.fromCodePoint(((15&e[r])<<12)+((63&e[r+1])<<6)+(63&e[r+2]))),r+=2):e[r]>=192&&e[r]<=223?(t.push(String.fromCodePoint(((31&e[r])<<6)+(63&e[r+1]))),r++):t.push(String.fromCodePoint(e[r]));return t.join("")}(d):d}class Bi{on(e,t,r){const i=this.e||(this.e={});return(i[e]||(i[e]=[])).push({fn:t,ctx:r}),this}once(e,t,r){const i=this;function s(...a){i.off(e,s),t.apply(r,a)}return s._=t,this.on(e,s,r)}emit(e,...t){const r=((this.e||(this.e={}))[e]||[]).slice();for(let e=0;e<r.length;e+=1)r[e].fn.apply(r[e].ctx,t);return this}off(e,t){const r=this.e||(this.e={});if(!e)return Object.keys(r).forEach((e=>{delete r[e]})),void delete this.e;const i=r[e],s=[];if(i&&t)for(let e=0,r=i.length;e<r;e+=1)i[e].fn!==t&&i[e].fn._!==t&&s.push(i[e]);return s.length?r[e]=s:delete r[e],this}}const Ti={init:0,findFirstStartCode:1,findSecondStartCode:2};class Ci extends Bi{constructor(e){super(),this.player=e,this.isDestroyed=!1,this.reset()}destroy(){this.isDestroyed=!1,this.off(),this.reset()}reset(){this.stats=Ti.init,this.tempBuffer=new Uint8Array(0),this.parsedOffset=0,this.versionLayer=0}dispatch(e,t){let r=new Uint8Array(this.tempBuffer.length+e.length);for(r.set(this.tempBuffer,0),r.set(e,this.tempBuffer.length),this.tempBuffer=r;!this.isDestroyed;){if(this.state==Ti.Init){let e=!1;for(;this.tempBuffer.length-this.parsedOffset>=2&&!this.isDestroyed;)if(255==this.tempBuffer[this.parsedOffset]){if(!(!1&this.tempBuffer[this.parsedOffset+1])){this.versionLayer=this.tempBuffer[this.parsedOffset+1],this.state=Ti.findFirstStartCode,this.fisrtStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==Ti.findFirstStartCode){let e=!1;for(;this.tempBuffer.length-this.parsedOffset>=2&&!this.isDestroyed;)if(255==this.tempBuffer[this.parsedOffset]){if(this.tempBuffer[this.parsedOffset+1]==this.versionLayer){this.state=Ti.findSecondStartCode,this.secondStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==Ti.findSecondStartCode){let e=this.tempBuffer.slice(this.fisrtStartCodeOffset,this.secondStartCodeOffset);this.emit("data",e,t),this.tempBuffer=this.tempBuffer.slice(this.secondStartCodeOffset),this.fisrtStartCodeOffset=0,this.parsedOffset=2,this.state=Ti.findFirstStartCode}}}}function ki(e,t,r){for(let i=2;i<e.length;++i){const s=i-2,a=t[s%t.length],n=r[s%r.length];e[i]=e[i]^a^n}return e}class Di{constructor(e){this.destroys=[],this.proxy=this.proxy.bind(this),this.master=e}proxy(e,t,r,i={}){if(!e)return;if(Array.isArray(t))return t.map((t=>this.proxy(e,t,r,i)));e.addEventListener(t,r,i);const s=()=>{Kt(e.removeEventListener)&&e.removeEventListener(t,r,i)};return this.destroys.push(s),s}destroy(){this.master.debug&&this.master.debug.log("Events","destroy"),this.destroys.forEach((e=>e())),this.destroys=[]}}class Ii{static init(){Ii.types={avc1:[],avcC:[],hvc1:[],hvcC:[],av01:[],av1C:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],mvex:[],mvhd:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[],".mp3":[],Opus:[],dOps:[],"ac-3":[],dac3:[],"ec-3":[],dec3:[]};for(let e in Ii.types)Ii.types.hasOwnProperty(e)&&(Ii.types[e]=[e.charCodeAt(0),e.charCodeAt(1),e.charCodeAt(2),e.charCodeAt(3)]);let e=Ii.constants={};e.FTYP=new Uint8Array([105,115,111,109,0,0,0,1,105,115,111,109,97,118,99,49]),e.STSD_PREFIX=new Uint8Array([0,0,0,0,0,0,0,1]),e.STTS=new Uint8Array([0,0,0,0,0,0,0,0]),e.STSC=e.STCO=e.STTS,e.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),e.HDLR_VIDEO=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),e.HDLR_AUDIO=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]),e.DREF=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),e.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),e.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0])}static box(e){let t=8,r=null,i=Array.prototype.slice.call(arguments,1),s=i.length;for(let e=0;e<s;e++)t+=i[e].byteLength;r=new Uint8Array(t),r[0]=t>>>24&255,r[1]=t>>>16&255,r[2]=t>>>8&255,r[3]=255&t,r.set(e,4);let a=8;for(let e=0;e<s;e++)r.set(i[e],a),a+=i[e].byteLength;return r}static generateInitSegment(e){let t=Ii.box(Ii.types.ftyp,Ii.constants.FTYP),r=Ii.moov(e),i=new Uint8Array(t.byteLength+r.byteLength);return i.set(t,0),i.set(r,t.byteLength),i}static moov(e){let t=Ii.mvhd(e.timescale,e.duration),r=Ii.trak(e),i=Ii.mvex(e);return Ii.box(Ii.types.moov,t,r,i)}static mvhd(e,t){return Ii.box(Ii.types.mvhd,new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,e>>>24&255,e>>>16&255,e>>>8&255,255&e,t>>>24&255,t>>>16&255,t>>>8&255,255&t,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]))}static trak(e){return Ii.box(Ii.types.trak,Ii.tkhd(e),Ii.mdia(e))}static tkhd(e){let t=e.id,r=e.duration,i=e.presentWidth,s=e.presentHeight;return Ii.box(Ii.types.tkhd,new Uint8Array([0,0,0,7,0,0,0,0,0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,0,0,0,0,r>>>24&255,r>>>16&255,r>>>8&255,255&r,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,i>>>8&255,255&i,0,0,s>>>8&255,255&s,0,0]))}static mdia(e){return Ii.box(Ii.types.mdia,Ii.mdhd(e),Ii.hdlr(e),Ii.minf(e))}static mdhd(e){let t=e.timescale,r=e.duration;return Ii.box(Ii.types.mdhd,new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,r>>>24&255,r>>>16&255,r>>>8&255,255&r,85,196,0,0]))}static hdlr(e){let t=null;return t="audio"===e.type?Ii.constants.HDLR_AUDIO:Ii.constants.HDLR_VIDEO,Ii.box(Ii.types.hdlr,t)}static minf(e){let t=null;return t="audio"===e.type?Ii.box(Ii.types.smhd,Ii.constants.SMHD):Ii.box(Ii.types.vmhd,Ii.constants.VMHD),Ii.box(Ii.types.minf,t,Ii.dinf(),Ii.stbl(e))}static dinf(){return Ii.box(Ii.types.dinf,Ii.box(Ii.types.dref,Ii.constants.DREF))}static stbl(e){return Ii.box(Ii.types.stbl,Ii.stsd(e),Ii.box(Ii.types.stts,Ii.constants.STTS),Ii.box(Ii.types.stsc,Ii.constants.STSC),Ii.box(Ii.types.stsz,Ii.constants.STSZ),Ii.box(Ii.types.stco,Ii.constants.STCO))}static stsd(e){return"audio"===e.type?"mp3"===e.audioType?Ii.box(Ii.types.stsd,Ii.constants.STSD_PREFIX,Ii.mp3(e)):Ii.box(Ii.types.stsd,Ii.constants.STSD_PREFIX,Ii.mp4a(e)):"avc"===e.videoType?Ii.box(Ii.types.stsd,Ii.constants.STSD_PREFIX,Ii.avc1(e)):Ii.box(Ii.types.stsd,Ii.constants.STSD_PREFIX,Ii.hvc1(e))}static mp3(e){let t=e.channelCount,r=e.audioSampleRate,i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t,0,16,0,0,0,0,r>>>8&255,255&r,0,0]);return Ii.box(Ii.types[".mp3"],i)}static mp4a(e){let t=e.channelCount,r=e.audioSampleRate,i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t,0,16,0,0,0,0,r>>>8&255,255&r,0,0]);return Ii.box(Ii.types.mp4a,i,Ii.esds(e))}static esds(e){let t=e.config||[],r=t.length,i=new Uint8Array([0,0,0,0,3,23+r,0,1,0,4,15+r,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([r]).concat(t).concat([6,1,2]));return Ii.box(Ii.types.esds,i)}static avc1(e){let t=e.avcc;const r=e.codecWidth,i=e.codecHeight;let s=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,r>>>8&255,255&r,i>>>8&255,255&i,0,72,0,0,0,72,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,255,255]);return Ii.box(Ii.types.avc1,s,Ii.box(Ii.types.avcC,t))}static hvc1(e){let t=e.avcc;const r=e.codecWidth,i=e.codecHeight;let s=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,r>>>8&255,255&r,i>>>8&255,255&i,0,72,0,0,0,72,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,255,255]);return Ii.box(Ii.types.hvc1,s,Ii.box(Ii.types.hvcC,t))}static mvex(e){return Ii.box(Ii.types.mvex,Ii.trex(e))}static trex(e){let t=e.id,r=new Uint8Array([0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]);return Ii.box(Ii.types.trex,r)}static moof(e,t){return Ii.box(Ii.types.moof,Ii.mfhd(e.sequenceNumber),Ii.traf(e,t))}static mfhd(e){let t=new Uint8Array([0,0,0,0,e>>>24&255,e>>>16&255,e>>>8&255,255&e]);return Ii.box(Ii.types.mfhd,t)}static traf(e,t){let r=e.id,i=Ii.box(Ii.types.tfhd,new Uint8Array([0,0,0,0,r>>>24&255,r>>>16&255,r>>>8&255,255&r])),s=Ii.box(Ii.types.tfdt,new Uint8Array([0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t])),a=Ii.sdtp(e),n=Ii.trun(e,a.byteLength+16+16+8+16+8+8);return Ii.box(Ii.types.traf,i,s,n,a)}static sdtp(e){let t=new Uint8Array(5),r=e.flags;return t[4]=r.isLeading<<6|r.dependsOn<<4|r.isDependedOn<<2|r.hasRedundancy,Ii.box(Ii.types.sdtp,t)}static trun(e,t){let r=new Uint8Array(28);t+=36,r.set([0,0,15,1,0,0,0,1,t>>>24&255,t>>>16&255,t>>>8&255,255&t],0);let i=e.duration,s=e.size,a=e.flags,n=e.cts;return r.set([i>>>24&255,i>>>16&255,i>>>8&255,255&i,s>>>24&255,s>>>16&255,s>>>8&255,255&s,a.isLeading<<2|a.dependsOn,a.isDependedOn<<6|a.hasRedundancy<<4|a.isNonSync,0,0,n>>>24&255,n>>>16&255,n>>>8&255,255&n],12),Ii.box(Ii.types.trun,r)}static mdat(e){return Ii.box(Ii.types.mdat,e)}}Ii.init();const Pi=[44100,48e3,32e3,0],Fi=[22050,24e3,16e3,0],Li=[11025,12e3,8e3,0],Ri=[0,32,64,96,128,160,192,224,256,288,320,352,384,416,448,-1],zi=[0,32,48,56,64,80,96,112,128,160,192,224,256,320,384,-1],Mi=[0,32,40,48,56,64,80,96,112,128,160,192,224,256,320,-1];const Ni=3,Oi=4,Gi=6,$i=15,Hi=17,Vi=129,Wi=135,ji=21,qi=134,Yi=27,Ki=36;class Xi{constructor(){this.slices=[],this.total_length=0,this.expected_length=0,this.random_access_indicator=0}}class Zi{constructor(){this.pid=null,this.data=null,this.stream_type=null,this.random_access_indicator=null}}class Ji{constructor(){this.pid=null,this.stream_id=null,this.len=null,this.data=null,this.pts=null,this.nearest_pts=null,this.dts=null}}const Qi=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];class es{constructor(){this.mimeType=null,this.duration=null,this.hasAudio=null,this.hasVideo=null,this.audioCodec=null,this.videoCodec=null,this.audioDataRate=null,this.videoDataRate=null,this.audioSampleRate=null,this.audioChannelCount=null,this.width=null,this.height=null,this.fps=null,this.profile=null,this.level=null,this.refFrames=null,this.chromaFormat=null,this.sarNum=null,this.sarDen=null,this.metadata=null,this.segments=null,this.segmentCount=null,this.hasKeyframesIndex=null,this.keyframesIndex=null}isComplete(){let e=!1===this.hasAudio||!0===this.hasAudio&&null!=this.audioCodec&&null!=this.audioSampleRate&&null!=this.audioChannelCount,t=!1===this.hasVideo||!0===this.hasVideo&&null!=this.videoCodec&&null!=this.width&&null!=this.height&&null!=this.fps&&null!=this.profile&&null!=this.level&&null!=this.refFrames&&null!=this.chromaFormat&&null!=this.sarNum&&null!=this.sarDen;return null!=this.mimeType&&e&&t}isSeekable(){return!0===this.hasKeyframesIndex}getNearestKeyframe(e){if(null==this.keyframesIndex)return null;let t=this.keyframesIndex,r=this._search(t.times,e);return{index:r,milliseconds:t.times[r],fileposition:t.filepositions[r]}}_search(e,t){let r=0,i=e.length-1,s=0,a=0,n=i;for(t<e[0]&&(r=0,a=n+1);a<=n;){if(s=a+Math.floor((n-a)/2),s===i||t>=e[s]&&t<e[s+1]){r=s;break}e[s]<t?a=s+1:n=s-1}return r}}class ts{constructor(e){let t=null,r=e.audio_object_type,i=e.audio_object_type,s=e.sampling_freq_index,a=e.channel_config,n=0,o=navigator.userAgent.toLowerCase();-1!==o.indexOf("firefox")?s>=6?(i=5,t=new Array(4),n=s-3):(i=2,t=new Array(2),n=s):-1!==o.indexOf("android")?(i=2,t=new Array(2),n=s):(i=5,n=s,t=new Array(4),s>=6?n=s-3:1===a&&(i=2,t=new Array(2),n=s)),t[0]=i<<3,t[0]|=(15&s)>>>1,t[1]=(15&s)<<7,t[1]|=(15&a)<<3,5===i&&(t[1]|=(15&n)>>>1,t[2]=(1&n)<<7,t[2]|=8,t[3]=0),this.config=t,this.sampling_rate=Qi[s],this.sampling_index=s,this.channel_count=a,this.object_type=i,this.original_object_type=r,this.codec_mimetype="mp4a.40."+i,this.original_codec_mimetype="mp4a.40."+r}}function rs(e={},t=!1){let r=[],i=[],s={},a=new AbortController,n=null,o=null,d=null,l=null,y=null,v=null,fe=!1,pe=!1,ze=!!er(t),He=!1,_t=null,gt=null,vt=null,Dt=[],It=null,Rt=null,zt=0,jt=0,rr=null,ir=null,sr=0,ar=0,nr=!1,or=!1,cr=!1,wr=null,Sr=null,xr=null,Fr=!1,Lr=()=>{const e=Jt();return{debug:e.debug,debugLevel:e.debugLevel,debugUuid:e.debugUuid,useOffscreen:e.useOffscreen,useWCS:e.useWCS,useMSE:e.useMSE,videoBuffer:e.videoBuffer,videoBufferDelay:e.videoBufferDelay,openWebglAlignment:e.openWebglAlignment,playType:e.playType,hasAudio:e.hasAudio,hasVideo:e.hasVideo,playbackRate:1,playbackForwardMaxRateDecodeIFrame:e.playbackForwardMaxRateDecodeIFrame,playbackIsCacheBeforeDecodeForFpsRender:e.playbackConfig.isCacheBeforeDecodeForFpsRender,sampleRate:0,networkDelay:e.networkDelay,visibility:!0,useSIMD:!1,isRecording:!1,recordType:e.recordType,isNakedFlow:e.isNakedFlow,checkFirstIFrame:e.checkFirstIFrame,audioBufferSize:1024,isM7sCrypto:e.isM7sCrypto,m7sCryptoAudio:e.m7sCryptoAudio,cryptoKey:e.cryptoKey,cryptoIV:e.cryptoIV,isSm4Crypto:e.isSm4Crypto,sm4CryptoKey:e.sm4CryptoKey,isXorCrypto:e.isXorCrypto,isHls265:!1,isFlv:e.isFlv,isFmp4:e.isFmp4,isMpeg4:e.isMpeg4,isTs:e.isTs,isFmp4Private:e.isFmp4Private,isEmitSEI:e.isEmitSEI,isRecordTypeFlv:!1,isWasmMp4:!0,isChrome:!1,isDropSameTimestampGop:e.isDropSameTimestampGop,mseDecodeAudio:e.mseDecodeAudio,nakedFlowH265DemuxUseNew:e.nakedFlowH265DemuxUseNew,mseDecoderUseWorker:e.mseDecoderUseWorker,mseAutoCleanupSourceBuffer:e.mseAutoCleanupSourceBuffer,mseAutoCleanupMaxBackwardDuration:e.mseAutoCleanupMaxBackwardDuration,mseAutoCleanupMinBackwardDuration:e.mseAutoCleanupMinBackwardDuration,mseCorrectTimeDuration:e.mseCorrectTimeDuration,mseCorrectAudioTimeDuration:e.mseCorrectAudioTimeDuration}};"VideoEncoder"in self&&(s={hasInit:!1,isEmitInfo:!1,offscreenCanvas:null,offscreenCanvasCtx:null,decoder:new VideoDecoder({output:function(e){if(s.isEmitInfo||($r.debug.log("worker","Webcodecs Video Decoder initSize"),postMessage({cmd:S,w:e.codedWidth,h:e.codedHeight}),s.isEmitInfo=!0,s.offscreenCanvas=new OffscreenCanvas(e.codedWidth,e.codedHeight),s.offscreenCanvasCtx=s.offscreenCanvas.getContext("2d")),Kt(e.createImageBitmap))e.createImageBitmap().then((t=>{s.offscreenCanvasCtx.drawImage(t,0,0,e.codedWidth,e.codedHeight);let r=s.offscreenCanvas.transferToImageBitmap();postMessage({cmd:E,buffer:r,delay:$r.delay,ts:0},[r]),Xt(e)}));else{s.offscreenCanvasCtx.drawImage(e,0,0,e.codedWidth,e.codedHeight);let t=s.offscreenCanvas.transferToImageBitmap();postMessage({cmd:E,buffer:t,delay:$r.delay,ts:0},[t]),Xt(e)}},error:function(e){$r.debug.error("worker","VideoDecoder error",e)}}),decode:function(e,t,r){const i=e[0]>>4==1;if(s.hasInit){const r=new EncodedVideoChunk({data:e.slice(5),timestamp:t,type:i?rt:it});s.decoder.decode(r)}else if(i&&0===e[1]){const t=15&e[0];postMessage({cmd:C,code:t});const r=new Uint8Array(e);postMessage({cmd:k,buffer:r,codecId:t},[r.buffer]);let i=null,a=null;const n=e.slice(5);t===xe?(a=hr(n),i={codec:a.codec,description:n}):t===Be&&(a=Ar(n),i={codec:a.codec,description:n}),a&&a.codecWidth&&a.codecHeight&&(i.codedHeight=a.codecHeight,i.codedWidth=a.codecWidth);try{s.decoder.configure(i),s.hasInit=!0}catch(e){$r.debug.log("worker","VideoDecoder configure error",e.code,e)}}},reset(){s.hasInit=!1,s.isEmitInfo=!1,s.offscreenCanvas=null,s.offscreenCanvasCtx=null}});let Rr=function(){if(Fr=!0,$r.fetchStatus!==Et||tr($r._opt.isChrome)){if(a)try{a.abort(),a=null}catch(e){$r.debug.log("worker","abort catch",e)}}else a=null,$r.debug.log("worker",`abort() and not abortController.abort() _status is ${$r.fetchStatus} and _isChrome is ${$r._opt.isChrome}`)},zr={init(){zr.lastBuf=null,zr.vps=null,zr.sps=null,zr.pps=null,zr.streamType=null,zr.localDts=0,zr.isSendSeqHeader=!1},destroy(){zr.lastBuf=null,zr.vps=null,zr.sps=null,zr.pps=null,zr.streamType=null,zr.localDts=0,zr.isSendSeqHeader=!1},dispatch(e){const t=new Uint8Array(e);zr.extractNALu$2(t)},getNaluDts(){let e=zr.localDts;return zr.localDts=zr.localDts+40,e},getNaluAudioDts(){const e=$r._opt.sampleRate,t=$r._opt.audioBufferSize;return zr.localDts+parseInt(t/e*1e3)},extractNALu(e){let t,r,i=0,s=e.byteLength,a=0,n=[];for(;i<s;)switch(t=e[i++],a){case 0:0===t&&(a=1);break;case 1:a=0===t?2:0;break;case 2:case 3:0===t?a=3:1===t&&i<s?(r&&n.push(e.subarray(r,i-a-1)),r=i,a=0):a=0}return r&&n.push(e.subarray(r,s)),n},extractNALu$2(e){let t=null;if(!e||e.byteLength<1)return;zr.lastBuf?(t=new Uint8Array(e.byteLength+zr.lastBuf.length),t.set(zr.lastBuf),t.set(new Uint8Array(e),zr.lastBuf.length)):t=new Uint8Array(e);let r=0,i=-1,s=-2;const a=new Array;for(let e=0;e<t.length;e+=2){const r=t[e],n=t[e+1];0==i&&0==r&&0==n?a.push(e-1):1==n&&0==r&&0==i&&0==s&&a.push(e-2),s=r,i=n}if(a.length>1)for(let e=0;e<a.length-1;++e){const i=t.subarray(a[e],a[e+1]+1);zr.handleNALu(i),r=a[e+1]}else r=a[0];if(0!=r&&r<t.length)zr.lastBuf=t.subarray(r);else{zr.lastBuf||(zr.lastBuf=t);const r=new Uint8Array(zr.lastBuf.length+e.byteLength);r.set(zr.lastBuf),r.set(new Uint8Array(e),zr.lastBuf.length),zr.lastBuf=r}},handleNALu(e){e.byteLength<=4?$r.debug.warn("worker",`handleNALu nalu byteLength is ${e.byteLength} <= 4`):(e=e.slice(4),zr.handleVideoNalu(e))},handleVideoNalu(e){if(zr.streamType||(zr.streamType=function(e){let t=null,r=31&e[0];return r!==Le&&r!==Re||(t=Ce),t||(r=(126&e[0])>>1,r!==qe&&r!==Ke&&r!==Ze||(t=ke)),t}(e),wr=zr.streamType===ke),zr.streamType===Ce){const t=zr.handleAddNaluStartCode(e),r=zr.extractNALu(t);if(0===r.length)return void $r.debug.warn("worker","handleVideoNalu","h264 naluList.length === 0");const i=[];if(r.forEach((e=>{const t=mr(e);t===Re||t===Le?zr.handleVideoH264Nalu(e):gr(t)&&i.push(e)})),1===i.length)zr.handleVideoH264Nalu(i[0]);else{const e=function(e){if(0===e.length)return!1;const t=mr(e[0]);for(let r=1;r<e.length;r++)if(t!==mr(e[r]))return!1;return!0}(i);if(e){const e=mr(i[0]),t=yr(e);zr.handleVideoH264NaluList(i,t,e)}else i.forEach((e=>{zr.handleVideoH264Nalu(e)}))}}else if(zr.streamType===ke)if($r._opt.nakedFlowH265DemuxUseNew){const t=zr.handleAddNaluStartCode(e),r=zr.extractNALu(t);if(0===r.length)return void $r.debug.warn("worker","handleVideoNalu","h265 naluList.length === 0");const i=[];if(r.forEach((e=>{const t=Cr(e);t===Ze||t===Ke||t===qe?zr.handleVideoH265Nalu(e):kr(t)&&i.push(e)})),1===i.length)zr.handleVideoH265Nalu(i[0]);else{const e=function(e){if(0===e.length)return!1;const t=Cr(e[0]);for(let r=1;r<e.length;r++)if(t!==Cr(e[r]))return!1;return!0}(i);if(e){const e=Cr(i[0]),t=Dr(e);zr.handleVideoH265NaluList(i,t,e)}else i.forEach((e=>{zr.handleVideoH265Nalu(e)}))}}else{Cr(e)===Ze?zr.extractH265PPS(e):zr.handleVideoH265Nalu(e)}},extractH264PPS(e){const t=zr.handleAddNaluStartCode(e);zr.extractNALu(t).forEach((e=>{_r(mr(e))?zr.extractH264SEI(e):zr.handleVideoH264Nalu(e)}))},extractH265PPS(e){const t=zr.handleAddNaluStartCode(e);zr.extractNALu(t).forEach((e=>{const t=Cr(e);t===Qe?zr.extractH265SEI(e):zr.handleVideoH265Nalu(e)}))},extractH264SEI(e){const t=zr.handleAddNaluStartCode(e);zr.extractNALu(t).forEach((e=>{zr.handleVideoH264Nalu(e)}))},extractH265SEI(e){const t=zr.handleAddNaluStartCode(e);zr.extractNALu(t).forEach((e=>{zr.handleVideoH265Nalu(e)}))},handleAddNaluStartCode(e){const t=[0,0,0,1],r=new Uint8Array(e.length+t.length);return r.set(t),r.set(e,t.length),r},handleVideoH264Nalu(e){const t=mr(e);switch(t){case Le:zr.sps=e;break;case Re:zr.pps=e}if(zr.isSendSeqHeader){if(zr.sps&&zr.pps){const e=fr({sps:zr.sps,pps:zr.pps}),t=zr.getNaluDts();$r.decode(e,{type:Q,ts:t,isIFrame:!0,cts:0}),zr.sps=null,zr.pps=null}if(gr(t)){const r=yr(t),i=zr.getNaluDts(),s=function(e,t){let r=[];r[0]=t?23:39,r[1]=1,r[2]=0,r[3]=0,r[4]=0,r[5]=e.byteLength>>24&255,r[6]=e.byteLength>>16&255,r[7]=e.byteLength>>8&255,r[8]=255&e.byteLength;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}(e,r);zr.doDecode(s,{type:Q,ts:i,isIFrame:r,cts:0})}else $r.debug.warn("work",`handleVideoH264Nalu Avc Seq Head is ${t}`)}else if(zr.sps&&zr.pps){zr.isSendSeqHeader=!0;const e=fr({sps:zr.sps,pps:zr.pps});$r.decode(e,{type:Q,ts:0,isIFrame:!0,cts:0}),zr.sps=null,zr.pps=null}},handleVideoH264NaluList(e,t,r){if(zr.isSendSeqHeader){const i=zr.getNaluDts(),s=pr(e.reduce(((e,t)=>{const r=Ht(e),i=Ht(t),s=new Uint8Array(r.byteLength+i.byteLength);return s.set(r,0),s.set(i,r.byteLength),s})),t);zr.doDecode(s,{type:Q,ts:i,isIFrame:t,cts:0}),$r.debug.log("worker",`handleVideoH264NaluList list size is ${e.length} package length is ${s.byteLength} isIFrame is ${t},nalu type is ${r}, dts is ${i}`)}else $r.debug.warn("worker","handleVideoH264NaluList isSendSeqHeader is false")},handleVideoH265Nalu(e){const t=Cr(e);switch(t){case qe:zr.vps=e;break;case Ke:zr.sps=e;break;case Ze:zr.pps=e}if(zr.isSendSeqHeader){if(zr.vps&&zr.sps&&zr.pps){const e=Br({vps:zr.vps,sps:zr.sps,pps:zr.pps}),t=zr.getNaluDts();$r.decode(e,{type:Q,ts:t,isIFrame:!0,cts:0}),zr.vps=null,zr.sps=null,zr.pps=null}if(kr(t)){const r=Dr(t),i=zr.getNaluDts(),s=function(e,t){let r=[];r[0]=t?28:44,r[1]=1,r[2]=0,r[3]=0,r[4]=0,r[5]=e.byteLength>>24&255,r[6]=e.byteLength>>16&255,r[7]=e.byteLength>>8&255,r[8]=255&e.byteLength;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}(e,r);zr.doDecode(s,{type:Q,ts:i,isIFrame:r,cts:0})}else $r.debug.warn("work",`handleVideoH265Nalu HevcSeqHead is ${t}`)}else if(zr.vps&&zr.sps&&zr.pps){zr.isSendSeqHeader=!0;const e=Br({vps:zr.vps,sps:zr.sps,pps:zr.pps});$r.decode(e,{type:Q,ts:0,isIFrame:!0,cts:0}),zr.vps=null,zr.sps=null,zr.pps=null}},handleVideoH265NaluList(e,t,r){if(zr.isSendSeqHeader){const i=zr.getNaluDts(),s=Tr(e.reduce(((e,t)=>{const r=Ht(e),i=Ht(t),s=new Uint8Array(r.byteLength+i.byteLength);return s.set(r,0),s.set(i,r.byteLength),s})),t);zr.doDecode(s,{type:Q,ts:i,isIFrame:t,cts:0}),$r.debug.log("worker",`handleVideoH265NaluList list size is ${e.length} package length is ${s.byteLength} isIFrame is ${t},nalu type is ${r}, dts is ${i}`)}else $r.debug.warn("worker","handleVideoH265NaluList isSendSeqHeader is false")},doDecode(e,t){$r.calcNetworkDelay(t.ts),t.isIFrame&&$r.calcIframeIntervalTimestamp(t.ts),$r.decode(e,t)}},Mr={LOG_NAME:"worker fmp4Demuxer",mp4Box:fi.createFile(),offset:0,videoTrackId:null,audioTrackId:null,isHevc:!1,listenMp4Box(){Mr.mp4Box.onReady=Mr.onReady,Mr.mp4Box.onError=Mr.onError,Mr.mp4Box.onSamples=Mr.onSamples},initTransportDescarmber(){Mr.transportDescarmber=new _i},_getSeqHeader(e){const t=Mr.mp4Box.getTrackById(e.id);for(const e of t.mdia.minf.stbl.stsd.entries)if(e.avcC||e.hvcC){const t=new fi.DataStream(void 0,0,fi.DataStream.BIG_ENDIAN);let r=[];e.avcC?(e.avcC.write(t),r=[23,0,0,0,0]):(Mr.isHevc=!0,wr=!0,e.hvcC.write(t),r=[28,0,0,0,0]);const i=new Uint8Array(t.buffer,8),s=new Uint8Array(r.length+i.length);return s.set(r,0),s.set(i,r.length),s}return null},onReady(e){$r.debug.log(Mr.LOG_NAME,"onReady()");const t=e.videoTracks[0],r=e.audioTracks[0];if(t){Mr.videoTrackId=t.id;const e=Mr._getSeqHeader(t);e&&($r.debug.log(Mr.LOG_NAME,"seqHeader"),$r.decodeVideo(e,0,!0,0)),Mr.mp4Box.setExtractionOptions(t.id)}if(r&&$r._opt.hasAudio){Mr.audioTrackId=r.id;const e=r.audio||{},t=Mt.indexOf(e.sample_rate),i=r.codec.replace("mp4a.40.","");Mr.mp4Box.setExtractionOptions(r.id);const s=Pt({profile:parseInt(i,10),sampleRate:t,channel:e.channel_count});$r.debug.log(Mr.LOG_NAME,"aacADTSHeader"),$r.decodeAudio(s,0)}Mr.mp4Box.start()},onError(e){$r.debug.error(Mr.LOG_NAME,"mp4Box onError",e)},onSamples(e,t,r){if(e===Mr.videoTrackId)for(const t of r){const r=t.data,i=t.is_sync,s=1e3*t.cts/t.timescale;t.duration,t.timescale,i&&$r.calcIframeIntervalTimestamp(s);let a=null;a=Mr.isHevc?Tr(r,i):pr(r,i),$r.decode(a,{type:Q,ts:s,isIFrame:i,cts:0}),Mr.mp4Box.releaseUsedSamples(e,t.number)}else if(e===Mr.audioTrackId){if($r._opt.hasAudio)for(const t of r){const r=t.data,i=1e3*t.cts/t.timescale;t.duration,t.timescale;const s=new Uint8Array(r.byteLength+2);s.set([175,1],0),s.set(r,2),$r.decode(s,{type:J,ts:i,isIFrame:!1,cts:0}),Mr.mp4Box.releaseUsedSamples(e,t.number)}}else $r.debug.warn(Mr.LOG_NAME,"onSamples() trackId error",e)},dispatch(e){let t=e;"string"!=typeof e?"object"==typeof e?(Mr.transportDescarmber&&(t=Mr.transportDescarmber.transport(t)),t.buffer.fileStart=Mr.offset,Mr.offset+=t.byteLength,Mr.mp4Box.appendBuffer(t.buffer)):$r.debug.warn(Mr.LOG_NAME,"dispatch()","data is not object",e):$r.debug.warn(Mr.LOG_NAME,"dispatch()","data is string",e)},destroy(){Mr.mp4Box&&(Mr.mp4Box.flush(),Mr.mp4Box=null),Mr.transportDescarmber&&(Mr.transportDescarmber.destroy(),Mr.transportDescarmber=null),Mr.offset=0,Mr.videoTrackId=null,Mr.audioTrackId=null,Mr.isHevc=!1}},Nr={LOG_NAME:"worker mpeg4Demuxer",lastBuffer:new Uint8Array(0),parsedOffset:0,firstStartCodeOffset:0,secondStartCodeOffset:0,state:"init",hasInitVideoCodec:!1,localDts:0,dispatch(e){const t=new Uint8Array(e);Nr.extractNALu(t)},destroy(){Nr.lastBuffer=new Uint8Array(0),Nr.parsedOffset=0,Nr.firstStartCodeOffset=0,Nr.secondStartCodeOffset=0,Nr.state="init",Nr.hasInitVideoCodec=!1,Nr.localDts=0},extractNALu(e){if(!e||e.byteLength<1)return void $r.debug.warn(Nr.LOG_NAME,"extractNALu() buffer error",e);const t=new Uint8Array(Nr.lastBuffer.length+e.length);for(t.set(Nr.lastBuffer,0),t.set(new Uint8Array(e),Nr.lastBuffer.length),Nr.lastBuffer=t;;){if("init"===Nr.state){let e=!1;for(;Nr.lastBuffer.length-Nr.parsedOffset>=4;)if(0===Nr.lastBuffer[Nr.parsedOffset])if(0===Nr.lastBuffer[Nr.parsedOffset+1])if(1===Nr.lastBuffer[Nr.parsedOffset+2]){if(182===Nr.lastBuffer[Nr.parsedOffset+3]){Nr.state="findFirstStartCode",Nr.firstStartCodeOffset=Nr.parsedOffset,Nr.parsedOffset+=4,e=!0;break}Nr.parsedOffset++}else Nr.parsedOffset++;else Nr.parsedOffset++;else Nr.parsedOffset++;if(e)continue;break}if("findFirstStartCode"===Nr.state){let e=!1;for(;Nr.lastBuffer.length-Nr.parsedOffset>=4;)if(0===Nr.lastBuffer[Nr.parsedOffset])if(0===Nr.lastBuffer[Nr.parsedOffset+1])if(1===Nr.lastBuffer[Nr.parsedOffset+2]){if(182===Nr.lastBuffer[Nr.parsedOffset+3]){Nr.state="findSecondStartCode",Nr.secondStartCodeOffset=Nr.parsedOffset,Nr.parsedOffset+=4,e=!0;break}Nr.parsedOffset++}else Nr.parsedOffset++;else Nr.parsedOffset++;else Nr.parsedOffset++;if(e)continue;break}if("findSecondStartCode"===Nr.state){if(!(Nr.lastBuffer.length-Nr.parsedOffset>0))break;{let e,t,r=192&Nr.lastBuffer[Nr.parsedOffset];e=0==r?Nr.secondStartCodeOffset-14:Nr.secondStartCodeOffset;let i=0==(192&Nr.lastBuffer[Nr.firstStartCodeOffset+4]);if(i){if(Nr.firstStartCodeOffset-14<0)return void $r.debug.warn(Nr.LOG_NAME,"firstStartCodeOffset -14 is",Nr.firstStartCodeOffset-14);Nr.hasInitVideoCodec||(Nr.hasInitVideoCodec=!0,$r.debug.log(Nr.LOG_NAME,"setCodec"),Vr.setCodec(Te,"")),t=Nr.lastBuffer.subarray(Nr.firstStartCodeOffset-14,e)}else t=Nr.lastBuffer.subarray(Nr.firstStartCodeOffset,e);let s=Nr.getNaluDts();Nr.hasInitVideoCodec?(postMessage({cmd:F,type:ye,value:t.byteLength}),postMessage({cmd:F,type:be,value:s}),Vr.decode(t,i?1:0,s)):$r.debug.warn(Nr.LOG_NAME,"has not init video codec"),Nr.lastBuffer=Nr.lastBuffer.subarray(e),Nr.firstStartCodeOffset=0==r?14:0,Nr.parsedOffset=Nr.firstStartCodeOffset+4,Nr.state="findFirstStartCode"}}}},getNaluDts(){let e=Nr.localDts;return Nr.localDts=Nr.localDts+40,e}},Or={TAG:"worker TsLoader",first_parse_:!0,tsPacketSize:0,syncOffset:0,pmt_:null,config_:null,media_info_:new es,timescale_:90,duration_:0,pat_:{version_number:0,network_pid:0,program_map_pid:{}},current_program_:null,current_pmt_pid_:-1,program_pmt_map_:{},pes_slice_queues_:{},section_slice_queues_:{},video_metadata_:{vps:null,sps:null,pps:null,details:null},audio_metadata_:{codec:null,audio_object_type:null,sampling_freq_index:null,sampling_frequency:null,channel_config:null},last_pcr_:null,audio_last_sample_pts_:void 0,aac_last_incomplete_data_:null,has_video_:!1,has_audio_:!1,video_init_segment_dispatched_:!1,audio_init_segment_dispatched_:!1,video_metadata_changed_:!1,audio_metadata_changed_:!1,loas_previous_frame:null,video_track_:{type:"video",id:1,sequenceNumber:0,samples:[],length:0},audio_track_:{type:"audio",id:2,sequenceNumber:0,samples:[],length:0},_remainingPacketData:null,init(){},destroy(){Or.media_info_=null,Or.pes_slice_queues_=null,Or.section_slice_queues_=null,Or.video_metadata_=null,Or.audio_metadata_=null,Or.aac_last_incomplete_data_=null,Or.video_track_=null,Or.audio_track_=null,Or._remainingPacketData=null},probe(e){let t=new Uint8Array(e),r=-1,i=188;if(t.byteLength<=3*i)return{needMoreData:!0};for(;-1===r;){let e=Math.min(1e3,t.byteLength-3*i);for(let s=0;s<e;){if(71===t[s]&&71===t[s+i]&&71===t[s+2*i]){r=s;break}s++}if(-1===r)if(188===i)i=192;else{if(192!==i)break;i=204}}return-1===r?{match:!1}:(192===i&&r>=4&&(r-=4),{match:!0,consumed:0,ts_packet_size:i,sync_offset:r})},_initPmt:()=>({program_number:0,version_number:0,pcr_pid:0,pid_stream_type:{},common_pids:{h264:void 0,h265:void 0,adts_aac:void 0,loas_aac:void 0,opus:void 0,ac3:void 0,eac3:void 0,mp3:void 0},pes_private_data_pids:{},timed_id3_pids:{},synchronous_klv_pids:{},asynchronous_klv_pids:{},scte_35_pids:{},smpte2038_pids:{}}),dispatch(e){Or._remainingPacketData&&(e=function(...e){if((e=e.filter(Boolean)).length<2)return e[0];const t=new Uint8Array(e.reduce(((e,t)=>e+t.byteLength),0));let r=0;return e.forEach((e=>{t.set(e,r),r+=e.byteLength})),t}(Or._remainingPacketData,e),Or._remainingPacketData=null);let t=e.buffer;const r=Or.parseChunks(t);r?Or._remainingPacketData=e.subarray(r):e.length<this.tsPacketSize&&(Or._remainingPacketData=e)},parseChunks(e){let t=0;if(Or.first_parse_){Or.first_parse_=!1;const r=Or.probe(e);r.match&&(Or.tsPacketSize=r.ts_packet_size,Or.syncOffset=r.sync_offset),t=Or.syncOffset,$r.debug.log(Or.TAG,`isFirstDispatch and tsPacketSize = ${Or.tsPacketSize}, syncOffset = ${Or.syncOffset}`)}for(;t+Or.tsPacketSize<=e.byteLength;){192===Or.tsPacketSize&&(t+=4);const r=new Uint8Array(e,t,188);let i=r[0];if(71!==i){$r.debug.warn(Or.TAG,`sync_byte = ${i}, not 0x47`);break}let s=(64&r[1])>>>6;r[1];let a=(31&r[1])<<8|r[2],n=(48&r[3])>>>4,o=15&r[3],d=!(!Or.pmt_||Or.pmt_.pcr_pid!==a),l={},u=4;if(2==n||3==n){let e=r[4];if(e>0&&(d||3==n)){if(l.discontinuity_indicator=(128&r[5])>>>7,l.random_access_indicator=(64&r[5])>>>6,l.elementary_stream_priority_indicator=(32&r[5])>>>5,(16&r[5])>>>4){let e=300*(r[6]<<25|r[7]<<17|r[8]<<9|r[9]<<1|r[10]>>>7)+((1&r[10])<<8|r[11]);Or.last_pcr_=e}}if(2==n||5+e===188){t+=188,204===Or.tsPacketSize&&(t+=16);continue}u=5+e}if(1==n||3==n)if(0===a||a===Or.current_pmt_pid_||null!=Or.pmt_&&Or.pmt_.pid_stream_type[a]===qi){let r=188-u;Or.handleSectionSlice(e,t+u,r,{pid:a,payload_unit_start_indicator:s,continuity_conunter:o,random_access_indicator:l.random_access_indicator})}else if(null!=Or.pmt_&&null!=Or.pmt_.pid_stream_type[a]){let r=188-u,i=Or.pmt_.pid_stream_type[a];a!==Or.pmt_.common_pids.h264&&a!==Or.pmt_.common_pids.h265&&a!==Or.pmt_.common_pids.adts_aac&&a!==Or.pmt_.common_pids.loas_aac&&a!==Or.pmt_.common_pids.ac3&&a!==Or.pmt_.common_pids.eac3&&a!==Or.pmt_.common_pids.opus&&a!==Or.pmt_.common_pids.mp3&&!0!==Or.pmt_.pes_private_data_pids[a]&&!0!==Or.pmt_.timed_id3_pids[a]&&!0!==Or.pmt_.synchronous_klv_pids[a]&&!0!==Or.pmt_.asynchronous_klv_pids[a]||Or.handlePESSlice(e,t+u,r,{pid:a,stream_type:i,payload_unit_start_indicator:s,continuity_conunter:o,random_access_indicator:l.random_access_indicator})}t+=188,204===Or.tsPacketSize&&(t+=16)}return Or.dispatchAudioVideoMediaSegment(),t},handleSectionSlice(e,t,r,i){let s=new Uint8Array(e,t,r),a=Or.section_slice_queues_[i.pid];if(i.payload_unit_start_indicator){let n=s[0];if(null!=a&&0!==a.total_length){let s=new Uint8Array(e,t+1,Math.min(r,n));a.slices.push(s),a.total_length+=s.byteLength,a.total_length===a.expected_length?Or.emitSectionSlices(a,i):Or.clearSlices(a,i)}for(let o=1+n;o<s.byteLength;){if(255===s[o+0])break;let n=(15&s[o+1])<<8|s[o+2];Or.section_slice_queues_[i.pid]=new Xi,a=Or.section_slice_queues_[i.pid],a.expected_length=n+3,a.random_access_indicator=i.random_access_indicator;let d=new Uint8Array(e,t+o,Math.min(r-o,a.expected_length-a.total_length));a.slices.push(d),a.total_length+=d.byteLength,a.total_length===a.expected_length?Or.emitSectionSlices(a,i):a.total_length>=a.expected_length&&Or.clearSlices(a,i),o+=d.byteLength}}else if(null!=a&&0!==a.total_length){let s=new Uint8Array(e,t,Math.min(r,a.expected_length-a.total_length));a.slices.push(s),a.total_length+=s.byteLength,a.total_length===a.expected_length?Or.emitSectionSlices(a,i):a.total_length>=a.expected_length&&Or.clearSlices(a,i)}},handlePESSlice(e,t,r,i){let s=new Uint8Array(e,t,r),a=s[0]<<16|s[1]<<8|s[2];s[3];let n=s[4]<<8|s[5];if(i.payload_unit_start_indicator){if(1!==a)return void $r.debug.warn(Or.TAG,`handlePESSlice: packet_start_code_prefix should be 1 but with value ${a}`);let e=Or.pes_slice_queues_[i.pid];e&&(0===e.expected_length||e.expected_length===e.total_length?Or.emitPESSlices(e,i):Or.clearSlices(e,i)),Or.pes_slice_queues_[i.pid]=new Xi,Or.pes_slice_queues_[i.pid].random_access_indicator=i.random_access_indicator}if(null==Or.pes_slice_queues_[i.pid])return;let o=Or.pes_slice_queues_[i.pid];o.slices.push(s),i.payload_unit_start_indicator&&(o.expected_length=0===n?0:n+6),o.total_length+=s.byteLength,o.expected_length>0&&o.expected_length===o.total_length?Or.emitPESSlices(o,i):o.expected_length>0&&o.expected_length<o.total_length&&Or.clearSlices(o,i)},emitSectionSlices(e,t){let r=new Uint8Array(e.total_length);for(let t=0,i=0;t<e.slices.length;t++){let s=e.slices[t];r.set(s,i),i+=s.byteLength}e.slices=[],e.expected_length=-1,e.total_length=0;let i={};i.pid=t.pid,i.data=r,i.file_position=e.file_position,i.random_access_indicator=e.random_access_indicator,Or.parseSection(i)},emitPESSlices(e,t){let r=new Uint8Array(e.total_length);for(let t=0,i=0;t<e.slices.length;t++){let s=e.slices[t];r.set(s,i),i+=s.byteLength}e.slices=[],e.expected_length=-1,e.total_length=0;let i=new Zi;i.pid=t.pid,i.data=r,i.stream_type=t.stream_type,i.random_access_indicator=e.random_access_indicator,Or.parsePES(i)},clearSlices(e){e.slices=[],e.expected_length=-1,e.total_length=0},parseSection(e){let t=e.data,r=e.pid;0===r?Or.parsePAT(t):r===Or.current_pmt_pid_?Or.parsePMT(t):null!=Or.pmt_&&Or.pmt_.scte_35_pids[r]},parsePES(e){let t=e.data,r=t[0]<<16|t[1]<<8|t[2],i=t[3],s=t[4]<<8|t[5];if(1===r){if(188!==i&&190!==i&&191!==i&&240!==i&&241!==i&&255!==i&&242!==i&&248!==i){t[6];let r,a,n=(192&t[7])>>>6,o=t[8];2!==n&&3!==n||(r=536870912*(14&t[9])+4194304*(255&t[10])+16384*(254&t[11])+128*(255&t[12])+(254&t[13])/2,a=3===n?536870912*(14&t[14])+4194304*(255&t[15])+16384*(254&t[16])+128*(255&t[17])+(254&t[18])/2:r);let d,l=9+o;if(0!==s){if(s<3+o)return void $r.debug.warn(Or.TAG,"Malformed PES: PES_packet_length < 3 + PES_header_data_length");d=s-3-o}else d=t.byteLength-l;let u=t.subarray(l,l+d);switch(e.stream_type){case Ni:case Oi:Or.parseMP3Payload(u,r);break;case Gi:Or.pmt_.common_pids.opus===e.pid||Or.pmt_.common_pids.ac3===e.pid||Or.pmt_.common_pids.eac3===e.pid||(Or.pmt_.asynchronous_klv_pids[e.pid]?Or.parseAsynchronousKLVMetadataPayload(u,e.pid,i):Or.pmt_.smpte2038_pids[e.pid]?Or.parseSMPTE2038MetadataPayload(u,r,a,e.pid,i):Or.parsePESPrivateDataPayload(u,r,a,e.pid,i));break;case $i:Or.parseADTSAACPayload(u,r);break;case Hi:Or.parseLOASAACPayload(u,r);break;case Vi:case Wi:break;case ji:Or.pmt_.timed_id3_pids[e.pid]?Or.parseTimedID3MetadataPayload(u,r,a,e.pid,i):Or.pmt_.synchronous_klv_pids[e.pid]&&Or.parseSynchronousKLVMetadataPayload(u,r,a,e.pid,i);break;case Yi:Or.parseH264Payload(u,r,a,e.random_access_indicator);break;case Ki:Or.parseH265Payload(u,r,a,e.random_access_indicator)}}else if((188===i||191===i||240===i||241===i||255===i||242===i||248===i)&&e.stream_type===Gi){let r,a=6;r=0!==s?s:t.byteLength-a;let n=t.subarray(a,a+r);Or.parsePESPrivateDataPayload(n,void 0,void 0,e.pid,i)}}else $r.debug.error(Or.TAG,`parsePES: packet_start_code_prefix should be 1 but with value ${r}`)},parsePAT(e){let t=e[0];if(0!==t)return void Log.e(Or.TAG,`parsePAT: table_id ${t} is not corresponded to PAT!`);let r=(15&e[1])<<8|e[2];e[3],e[4];let i=(62&e[5])>>>1,s=1&e[5],a=e[6];e[7];let n=null;if(1===s&&0===a)n={version_number:0,network_pid:0,program_pmt_pid:{}},n.version_number=i;else if(n=Or.pat_,null==n)return;let o=r-5-4,d=-1,l=-1;for(let t=8;t<8+o;t+=4){let r=e[t]<<8|e[t+1],i=(31&e[t+2])<<8|e[t+3];0===r?n.network_pid=i:(n.program_pmt_pid[r]=i,-1===d&&(d=r),-1===l&&(l=i))}1===s&&0===a&&(null==Or.pat_&&$r.debug.log(Or.TAG,`Parsed first PAT: ${JSON.stringify(n)}`),Or.pat_=n,Or.current_program_=d,Or.current_pmt_pid_=l)},parsePMT(e){let t=e[0];if(2!==t)return void $r.debug.error(Or.TAG,`parsePMT: table_id ${t} is not corresponded to PMT!`);let r,i=(15&e[1])<<8|e[2],s=e[3]<<8|e[4],a=(62&e[5])>>>1,n=1&e[5],o=e[6];if(e[7],1===n&&0===o)r=Or._initPmt(),r.program_number=s,r.version_number=a,Or.program_pmt_map_[s]=r;else if(r=Or.program_pmt_map_[s],null==r)return;r.pcr_pid=(31&e[8])<<8|e[9];let d=(15&e[10])<<8|e[11],l=12+d,u=i-9-d-4;for(let t=l;t<l+u;){let i=e[t],s=(31&e[t+1])<<8|e[t+2],a=(15&e[t+3])<<8|e[t+4];r.pid_stream_type[s]=i;let n=r.common_pids.h264||r.common_pids.h265,o=r.common_pids.adts_aac||r.common_pids.loas_aac||r.common_pids.ac3||r.common_pids.eac3||r.common_pids.opus||r.common_pids.mp3;if(i!==Yi||n)if(i!==Ki||n)if(i!==$i||o)if(i!==Hi||o)if(i!==Vi||o)if(i!==Wi||o)if(i!==Ni&&i!==Oi||o)if(i===Gi){if(r.pes_private_data_pids[s]=!0,a>0){for(let i=t+5;i<t+5+a;){let t=e[i+0],a=e[i+1];if(5===t){let t=String.fromCharCode(...Array.from(e.subarray(i+2,i+2+a)));"VANC"===t?r.smpte2038_pids[s]=!0:"Opus"===t?r.common_pids.opus=s:"KLVA"===t&&(r.asynchronous_klv_pids[s]=!0)}else if(127===t&&s===r.common_pids.opus){let t=null;if(128===e[i+2]&&(t=e[i+3]),null==t){Log.e(Or.TAG,"Not Supported Opus channel count.");continue}const r={codec:"opus",channel_count:15&t?15&t:2,channel_config_code:t,sample_rate:48e3},s={codec:"opus",meta:r};0==Or.audio_init_segment_dispatched_?(Or.audio_metadata_=r,Or.dispatchAudioInitSegment(s)):Or.detectAudioMetadataChange(s)&&(Or.dispatchAudioMediaSegment(),Or.dispatchAudioInitSegment(s))}i+=2+a}e.subarray(t+5,t+5+a)}}else if(i===ji){if(a>0)for(let i=t+5;i<t+5+a;){let t=e[i+0],a=e[i+1];if(38===t){let t=e[i+2]<<8|e[i+3],a=null;65535===t&&(a=String.fromCharCode(...Array.from(e.subarray(i+4,i+4+4))));let n=null;if(255===e[i+4+(65535===t?4:0)]){let r=4+(65535===t?4:0)+1;n=String.fromCharCode(...Array.from(e.subarray(i+r,i+r+4)))}"ID3 "===a&&"ID3 "===n?r.timed_id3_pids[s]=!0:"KLVA"===n&&(r.synchronous_klv_pids[s]=!0)}i+=2+a}}else i===qi&&(r.scte_35_pids[s]=!0);else r.common_pids.mp3=s;else r.common_pids.eac3=s;else r.common_pids.ac3=s;else r.common_pids.loas_aac=s;else r.common_pids.adts_aac=s;else r.common_pids.h265=s;else r.common_pids.h264=s;t+=5+a}s===Or.current_program_&&(null==Or.pmt_&&$r.debug.log(Or.TAG,`Parsed first PMT: ${JSON.stringify(r)}`),Or.pmt_=r,(r.common_pids.h264||r.common_pids.h265)&&(Or.has_video_=!0),(r.common_pids.adts_aac||r.common_pids.loas_aac||r.common_pids.ac3||r.common_pids.opus||r.common_pids.mp3)&&(Or.has_audio_=!0))},parseSCTE35(e){},parseH264Payload(e,t,r,i){let s=new br(e),a=null,n=null,o=[],d=0,l=!1;for(;null!=(a=s.readNextNaluPayload());){let e=new vr(a);if(e.type===Ge){let t=ur.parseSPS$2(a.data);Or.video_init_segment_dispatched_?!0===Or.detectVideoMetadataChange(e,t)&&($r.debug.log(Or.TAG,"H264: Critical h264 metadata has been changed, attempt to re-generate InitSegment"),Or.video_metadata_changed_=!0,Or.video_metadata_={vps:void 0,sps:e,pps:void 0,details:t}):(Or.video_metadata_.sps=e,Or.video_metadata_.details=t)}else e.type===$e?Or.video_init_segment_dispatched_&&!Or.video_metadata_changed_||(Or.video_metadata_.pps=e,Or.video_metadata_.sps&&Or.video_metadata_.pps&&(Or.video_metadata_changed_&&Or.dispatchVideoMediaSegment(),Or.dispatchVideoInitSegment())):(e.type===Ne||e.type===Me&&1===i)&&(l=!0);Or.video_init_segment_dispatched_&&(o.push(e),d+=e.data.byteLength)}let u=Math.floor(t/Or.timescale_),c=Math.floor(r/Or.timescale_);if(o.length){let e=Or.video_track_;for(let e=0;e<o.length;e++){let t=o[e];if(null==n)n=t.data;else{let e=new Uint8Array(n.byteLength+t.data.byteLength);e.set(n,0),e.set(t.data,n.byteLength),n=e}}let t={length:d,isIFrame:l,dts:c,pts:u,cts:u-c,payload:n,type:Q,isHevc:!1};e.samples.push(t),e.length=n.byteLength}},parseH265Payload(e,t,r,i){let s=new Ir(e),a=null,n=null,o=[],d=0,l=!1;for(;null!=(a=s.readNextNaluPayload());){let e=new Pr(a);if(e.type===Ye){if(!Or.video_init_segment_dispatched_){let t=Er.parseVPS(a.data);Or.video_metadata_.vps=e,Or.video_metadata_.details={...Or.video_metadata_.details,...t}}}else if(e.type===Xe){let t=Er.parseSPS(a.data);Or.video_init_segment_dispatched_?!0===Or.detectVideoMetadataChange(e,t)&&($r.debug.log(Or.TAG,"H265: Critical h265 metadata has been changed, attempt to re-generate InitSegment"),Or.video_metadata_changed_=!0,Or.video_metadata_={vps:void 0,sps:e,pps:void 0,details:t}):(Or.video_metadata_.sps=e,Or.video_metadata_.details={...Or.video_metadata_.details,...t})}else if(e.type===Je){if(!Or.video_init_segment_dispatched_||Or.video_metadata_changed_){let t=Er.parsePPS(a.data);Or.video_metadata_.pps=e,Or.video_metadata_.details={...Or.video_metadata_.details,...t},Or.video_metadata_.vps&&Or.video_metadata_.sps&&Or.video_metadata_.pps&&(Or.video_metadata_changed_&&Or.dispatchVideoMediaSegment(),Or.dispatchVideoInitSegment())}}else e.type!==Ve&&e.type!==We&&e.type!==je||(l=!0);Or.video_init_segment_dispatched_&&(o.push(e),d+=e.data.byteLength)}let u=Math.floor(t/Or.timescale_),c=Math.floor(r/Or.timescale_);if(o.length){let e=Or.video_track_;for(let e=0;e<o.length;e++){let t=o[e];if(null==n)n=t.data;else{let e=new Uint8Array(n.byteLength+t.data.byteLength);e.set(n,0),e.set(t.data,n.byteLength),n=e}}let t={type:Q,length:d,isIFrame:l,dts:c,pts:u,cts:u-c,payload:n,isHevc:!0};e.samples.push(t),e.length=n.byteLength}},detectVideoMetadataChange(e,t){if(t.codec_mimetype!==Or.video_metadata_.details.codec_mimetype)return $r.debug.log(Or.TAG,`Video: Codec mimeType changed from ${Or.video_metadata_.details.codec_mimetype} to ${t.codec_mimetype}`),!0;if(t.codec_size.width!==Or.video_metadata_.details.codec_size.width||t.codec_size.height!==Or.video_metadata_.details.codec_size.height){let e=Or.video_metadata_.details.codec_size,r=t.codec_size;return $r.debug.log(Or.TAG,`Video: Coded Resolution changed from ${e.width}x${e.height} to ${r.width}x${r.height}`),!0}return t.present_size.width!==Or.video_metadata_.details.present_size.width&&($r.debug.log(Or.TAG,`Video: Present resolution width changed from ${Or.video_metadata_.details.present_size.width} to ${t.present_size.width}`),!0)},isInitSegmentDispatched:()=>Or.has_video_&&Or.has_audio_?Or.video_init_segment_dispatched_&&Or.audio_init_segment_dispatched_:Or.has_video_&&!Or.has_audio_?Or.video_init_segment_dispatched_:!(Or.has_video_||!Or.has_audio_)&&Or.audio_init_segment_dispatched_,dispatchVideoInitSegment(){let e=Or.video_metadata_.details,t={type:"video"};t.id=Or.video_track_.id,t.timescale=1e3,t.duration=Or.duration_,t.codecWidth=e.codec_size.width,t.codecHeight=e.codec_size.height,t.presentWidth=e.present_size.width,t.presentHeight=e.present_size.height,t.profile=e.profile_string,t.level=e.level_string,t.bitDepth=e.bit_depth,t.chromaFormat=e.chroma_format,t.sarRatio=e.sar_ratio,t.frameRate=e.frame_rate;let r=t.frameRate.fps_den,i=t.frameRate.fps_num;if(t.refSampleDuration=r/i*1e3,t.codec=e.codec_mimetype,Or.video_metadata_.vps){let e=Or.video_metadata_.vps.data.subarray(4),r=Or.video_metadata_.sps.data.subarray(4),i=Or.video_metadata_.pps.data.subarray(4);t.hvcc=Br({vps:e,sps:r,pps:i}),0==Or.video_init_segment_dispatched_&&$r.debug.log(Or.TAG,`Generated first HEVCDecoderConfigurationRecord for mimeType: ${t.codec}`),t.hvcc&&$r.decodeVideo(t.hvcc,0,!0,0)}else{let e=Or.video_metadata_.sps.data.subarray(4),r=Or.video_metadata_.pps.data.subarray(4);t.avcc=function({sps:e,pps:t}){let r=8+e.byteLength+1+2+t.byteLength,i=!1;const s=ur.parseSPS$2(e);66!==e[3]&&77!==e[3]&&88!==e[3]&&(i=!0,r+=4);let a=new Uint8Array(r);a[0]=1,a[1]=e[1],a[2]=e[2],a[3]=e[3],a[4]=255,a[5]=225;let n=e.byteLength;a[6]=n>>>8,a[7]=255&n;let o=8;a.set(e,8),o+=n,a[o]=1;let d=t.byteLength;a[o+1]=d>>>8,a[o+2]=255&d,a.set(t,o+3),o+=3+d,i&&(a[o]=252|s.chroma_format_idc,a[o+1]=248|s.bit_depth_luma-8,a[o+2]=248|s.bit_depth_chroma-8,a[o+3]=0,o+=4);const l=[23,0,0,0,0],u=new Uint8Array(l.length+a.byteLength);return u.set(l,0),u.set(a,l.length),u}({sps:e,pps:r}),0==Or.video_init_segment_dispatched_&&$r.debug.log(Or.TAG,`Generated first AVCDecoderConfigurationRecord for mimeType: ${t.codec}`),t.avcc&&$r.decodeVideo(t.avcc,0,!0,0)}Or.video_init_segment_dispatched_=!0,Or.video_metadata_changed_=!1;let s=Or.media_info_;s.hasVideo=!0,s.width=t.codecWidth,s.height=t.codecHeight,s.fps=t.frameRate.fps,s.profile=t.profile,s.level=t.level,s.refFrames=e.ref_frames,s.chromaFormat=e.chroma_format_string,s.sarNum=t.sarRatio.width,s.sarDen=t.sarRatio.height,s.videoCodec=t.codec,s.hasAudio&&s.audioCodec?s.mimeType=`video/mp2t; codecs="${s.videoCodec},${s.audioCodec}"`:s.mimeType=`video/mp2t; codecs="${s.videoCodec}"`},dispatchVideoMediaSegment(){Or.isInitSegmentDispatched()&&Or.video_track_.length&&Or._preDoDecode()},dispatchAudioMediaSegment(){Or.isInitSegmentDispatched()&&Or.audio_track_.length&&Or._preDoDecode()},dispatchAudioVideoMediaSegment(){Or.isInitSegmentDispatched()&&(Or.audio_track_.length||Or.video_track_.length)&&Or._preDoDecode()},parseADTSAACPayload(e,t){if(Or.has_video_&&!Or.video_init_segment_dispatched_)return;if(Or.aac_last_incomplete_data_){let t=new Uint8Array(e.byteLength+Or.aac_last_incomplete_data_.byteLength);t.set(Or.aac_last_incomplete_data_,0),t.set(e,Or.aac_last_incomplete_data_.byteLength),e=t}let r,i;if(null!=t&&(i=t/Or.timescale_),"aac"===Or.audio_metadata_.codec){if(null==t&&null!=Or.audio_last_sample_pts_)r=1024/Or.audio_metadata_.sampling_frequency*1e3,i=Or.audio_last_sample_pts_+r;else if(null==t)return void $r.debug.warn(Or.TAG,"AAC: Unknown pts");if(Or.aac_last_incomplete_data_&&Or.audio_last_sample_pts_){r=1024/Or.audio_metadata_.sampling_frequency*1e3;let e=Or.audio_last_sample_pts_+r;Math.abs(e-i)>1&&($r.debug.warn(Or.TAG,`AAC: Detected pts overlapped, expected: ${e}ms, PES pts: ${i}ms`),i=e)}}let s,a=new Ot(e),n=null,o=i;for(;null!=(n=a.readNextAACFrame());){r=1024/n.sampling_frequency*1e3;const e={codec:"aac",data:n};0==Or.audio_init_segment_dispatched_?(Or.audio_metadata_={codec:"aac",audio_object_type:n.audio_object_type,sampling_freq_index:n.sampling_freq_index,sampling_frequency:n.sampling_frequency,channel_config:n.channel_config},Or.dispatchAudioInitSegment(e)):Or.detectAudioMetadataChange(e)&&(Or.dispatchAudioMediaSegment(),Or.dispatchAudioInitSegment(e)),s=o;let t=Math.floor(o);const i=new Uint8Array(n.data.length+2);i.set([175,1],0),i.set(n.data,2);let a={payload:i,length:i.byteLength,pts:t,dts:t,type:J};Or.audio_track_.samples.push(a),Or.audio_track_.length+=i.byteLength,o+=r}a.hasIncompleteData()&&(Or.aac_last_incomplete_data_=a.getIncompleteData()),s&&(Or.audio_last_sample_pts_=s)},parseLOASAACPayload(e,t){if(Or.has_video_&&!Or.video_init_segment_dispatched_)return;if(Or.aac_last_incomplete_data_){let t=new Uint8Array(e.byteLength+Or.aac_last_incomplete_data_.byteLength);t.set(Or.aac_last_incomplete_data_,0),t.set(e,Or.aac_last_incomplete_data_.byteLength),e=t}let r,i;if(null!=t&&(i=t/Or.timescale_),"aac"===Or.audio_metadata_.codec){if(null==t&&null!=Or.audio_last_sample_pts_)r=1024/Or.audio_metadata_.sampling_frequency*1e3,i=Or.audio_last_sample_pts_+r;else if(null==t)return void $r.debug.warn(Or.TAG,"AAC: Unknown pts");if(Or.aac_last_incomplete_data_&&Or.audio_last_sample_pts_){r=1024/Or.audio_metadata_.sampling_frequency*1e3;let e=Or.audio_last_sample_pts_+r;Math.abs(e-i)>1&&($r.debug.warn(Or.TAG,`AAC: Detected pts overlapped, expected: ${e}ms, PES pts: ${i}ms`),i=e)}}let s,a=new Gt(e),n=null,o=i;for(;null!=(n=a.readNextAACFrame(Or.loas_previous_frame??void 0));){Or.loas_previous_frame=n,r=1024/n.sampling_frequency*1e3;const e={codec:"aac",data:n};0==Or.audio_init_segment_dispatched_?(Or.audio_metadata_={codec:"aac",audio_object_type:n.audio_object_type,sampling_freq_index:n.sampling_freq_index,sampling_frequency:n.sampling_frequency,channel_config:n.channel_config},Or.dispatchAudioInitSegment(e)):Or.detectAudioMetadataChange(e)&&(Or.dispatchAudioMediaSegment(),Or.dispatchAudioInitSegment(e)),s=o;let t=Math.floor(o);const i=new Uint8Array(n.data.length+2);i.set([175,1],0),i.set(n.data,2);let a={payload:i,length:i.byteLength,pts:t,dts:t,type:J};Or.audio_track_.samples.push(a),Or.audio_track_.length+=i.byteLength,o+=r}a.hasIncompleteData()&&(Or.aac_last_incomplete_data_=a.getIncompleteData()),s&&(Or.audio_last_sample_pts_=s)},parseAC3Payload(e,t){},parseEAC3Payload(e,t){},parseOpusPayload(e,t){},parseMP3Payload(e,t){if(Or.has_video_&&!Or.video_init_segment_dispatched_)return;let r=[44100,48e3,32e3,0],i=[22050,24e3,16e3,0],s=[11025,12e3,8e3,0],a=e[1]>>>3&3,n=(6&e[1])>>1;e[2];let o=(12&e[2])>>>2,d=3!==(e[3]>>>6&3)?2:1,l=0,u=34;switch(a){case 0:l=s[o];break;case 2:l=i[o];break;case 3:l=r[o]}switch(n){case 1:u=34;break;case 2:u=33;break;case 3:u=32}const c={};c.object_type=u,c.sample_rate=l,c.channel_count=d,c.data=e;const h={codec:"mp3",data:c};0==Or.audio_init_segment_dispatched_?(Or.audio_metadata_={codec:"mp3",object_type:u,sample_rate:l,channel_count:d},Or.dispatchAudioInitSegment(h)):Or.detectAudioMetadataChange(h)&&(Or.dispatchAudioMediaSegment(),Or.dispatchAudioInitSegment(h));let f={payload:e,length:e.byteLength,pts:t/Or.timescale_,dts:t/Or.timescale_,type:J};Or.audio_track_.samples.push(f),Or.audio_track_.length+=e.byteLength},detectAudioMetadataChange(e){if(e.codec!==Or.audio_metadata_.codec)return $r.debug.log(Or.TAG,`Audio: Audio Codecs changed from ${Or.audio_metadata_.codec} to ${e.codec}`),!0;if("aac"===e.codec&&"aac"===Or.audio_metadata_.codec){const t=e.data;if(t.audio_object_type!==Or.audio_metadata_.audio_object_type)return $r.debug.log(Or.TAG,`AAC: AudioObjectType changed from ${Or.audio_metadata_.audio_object_type} to ${t.audio_object_type}`),!0;if(t.sampling_freq_index!==Or.audio_metadata_.sampling_freq_index)return $r.debug.log(Or.TAG,`AAC: SamplingFrequencyIndex changed from ${Or.audio_metadata_.sampling_freq_index} to ${t.sampling_freq_index}`),!0;if(t.channel_config!==Or.audio_metadata_.channel_config)return $r.debug.log(Or.TAG,`AAC: Channel configuration changed from ${Or.audio_metadata_.channel_config} to ${t.channel_config}`),!0}else if("ac-3"===e.codec&&"ac-3"===Or.audio_metadata_.codec){const t=e.data;if(t.sampling_frequency!==Or.audio_metadata_.sampling_frequency)return $r.debug.log(Or.TAG,`AC3: Sampling Frequency changed from ${Or.audio_metadata_.sampling_frequency} to ${t.sampling_frequency}`),!0;if(t.bit_stream_identification!==Or.audio_metadata_.bit_stream_identification)return $r.debug.log(Or.TAG,`AC3: Bit Stream Identification changed from ${Or.audio_metadata_.bit_stream_identification} to ${t.bit_stream_identification}`),!0;if(t.bit_stream_mode!==Or.audio_metadata_.bit_stream_mode)return $r.debug.log(Or.TAG,`AC3: BitStream Mode changed from ${Or.audio_metadata_.bit_stream_mode} to ${t.bit_stream_mode}`),!0;if(t.channel_mode!==Or.audio_metadata_.channel_mode)return $r.debug.log(Or.TAG,`AC3: Channel Mode changed from ${Or.audio_metadata_.channel_mode} to ${t.channel_mode}`),!0;if(t.low_frequency_effects_channel_on!==Or.audio_metadata_.low_frequency_effects_channel_on)return $r.debug.log(Or.TAG,`AC3: Low Frequency Effects Channel On changed from ${Or.audio_metadata_.low_frequency_effects_channel_on} to ${t.low_frequency_effects_channel_on}`),!0}else if("opus"===e.codec&&"opus"===Or.audio_metadata_.codec){const t=e.meta;if(t.sample_rate!==Or.audio_metadata_.sample_rate)return $r.debug.log(Or.TAG,`Opus: SamplingFrequencyIndex changed from ${Or.audio_metadata_.sample_rate} to ${t.sample_rate}`),!0;if(t.channel_count!==Or.audio_metadata_.channel_count)return $r.debug.log(Or.TAG,`Opus: Channel count changed from ${Or.audio_metadata_.channel_count} to ${t.channel_count}`),!0}else if("mp3"===e.codec&&"mp3"===Or.audio_metadata_.codec){const t=e.data;if(t.object_type!==Or.audio_metadata_.object_type)return $r.debug.log(Or.TAG,`MP3: AudioObjectType changed from ${Or.audio_metadata_.object_type} to ${t.object_type}`),!0;if(t.sample_rate!==Or.audio_metadata_.sample_rate)return $r.debug.log(Or.TAG,`MP3: SamplingFrequencyIndex changed from ${Or.audio_metadata_.sample_rate} to ${t.sample_rate}`),!0;if(t.channel_count!==Or.audio_metadata_.channel_count)return $r.debug.log(Or.TAG,`MP3: Channel count changed from ${Or.audio_metadata_.channel_count} to ${t.channel_count}`),!0}return!1},dispatchAudioInitSegment(e){let t={type:"audio"};if(t.id=Or.audio_track_.id,t.timescale=1e3,t.duration=Or.duration_,"aac"===Or.audio_metadata_.codec){let r="aac"===e.codec?e.data:null,i=new ts(r);t.audioSampleRate=i.sampling_rate,t.audioSampleRateIndex=i.sampling_index,t.channelCount=i.channel_count,t.codec=i.codec_mimetype,t.originalCodec=i.original_codec_mimetype,t.config=i.config,t.refSampleDuration=1024/t.audioSampleRate*t.timescale;const s=Pt({profile:$r._opt.mseDecodeAudio?i.object_type:i.original_object_type,sampleRate:t.audioSampleRateIndex,channel:t.channelCount});$r.decodeAudio(s,0)}else"ac-3"===Or.audio_metadata_.codec||"ec-3"===Or.audio_metadata_.codec||"opus"===Or.audio_metadata_.codec||"mp3"===Or.audio_metadata_.codec&&(t.audioSampleRate=Or.audio_metadata_.sample_rate,t.channelCount=Or.audio_metadata_.channel_count,t.codec="mp3",t.originalCodec="mp3",t.config=void 0);0==Or.audio_init_segment_dispatched_&&$r.debug.log(Or.TAG,`Generated first AudioSpecificConfig for mimeType: ${t.codec}`),Or.audio_init_segment_dispatched_=!0,Or.video_metadata_changed_=!1;let r=Or.media_info_;r.hasAudio=!0,r.audioCodec=t.originalCodec,r.audioSampleRate=t.audioSampleRate,r.audioChannelCount=t.channelCount,r.hasVideo&&r.videoCodec?r.mimeType=`video/mp2t; codecs="${r.videoCodec},${r.audioCodec}"`:r.mimeType=`video/mp2t; codecs="${r.audioCodec}"`},dispatchPESPrivateDataDescriptor(e,t,r){},parsePESPrivateDataPayload(e,t,r,i,s){let a=new Ji;if(a.pid=i,a.stream_id=s,a.len=e.byteLength,a.data=e,null!=t){let e=Math.floor(t/Or.timescale_);a.pts=e}else a.nearest_pts=Or.getNearestTimestampMilliseconds();if(null!=r){let e=Math.floor(r/Or.timescale_);a.dts=e}},parseTimedID3MetadataPayload(e,t,r,i,s){$r.debug.log(Or.TAG,`Timed ID3 Metadata: pid=${i}, pts=${t}, dts=${r}, stream_id=${s}`)},parseSynchronousKLVMetadataPayload(e,t,r,i,s){$r.debug.log(Or.TAG,`Synchronous KLV Metadata: pid=${i}, pts=${t}, dts=${r}, stream_id=${s}`)},parseAsynchronousKLVMetadataPayload(e,t,r){$r.debug.log(Or.TAG,`Asynchronous KLV Metadata: pid=${t}, stream_id=${r}`)},parseSMPTE2038MetadataPayload(e,t,r,i,s){$r.debug.log(Or.TAG,`SMPTE 2038 Metadata: pid=${i}, pts=${t}, dts=${r}, stream_id=${s}`)},getNearestTimestampMilliseconds(){if(null!=Or.audio_last_sample_pts_)return Math.floor(Or.audio_last_sample_pts_);if(null!=Or.last_pcr_){return Math.floor(Or.last_pcr_/300/Or.timescale_)}},_preDoDecode(){const e=Or.video_track_,t=Or.audio_track_;let r=e.samples;t.samples.length>0&&(r=e.samples.concat(t.samples),r=r.sort(((e,t)=>e.dts-t.dts))),r.forEach((e=>{const t=new Uint8Array(e.payload);delete e.payload,e.type===Q?Or._doDecodeVideo({...e,payload:t}):e.type===J&&Or._doDecodeAudio({...e,payload:t})})),e.samples=[],e.length=0,t.samples=[],t.length=0},_doDecodeVideo(e){const t=new Uint8Array(e.payload);let r=null;r=e.isHevc?Tr(t,e.isIFrame):pr(t,e.isIFrame),e.isIFrame&&$r.calcIframeIntervalTimestamp(e.dts);let i=$r.cryptoPayload(r,e.isIFrame);$r.decode(i,{type:Q,ts:e.dts,isIFrame:e.isIFrame,cts:e.cts})},_doDecodeAudio(e){const t=new Uint8Array(e.payload);let r=t;er($r._opt.m7sCryptoAudio)&&(r=$r.cryptoPayloadAudio(t)),$r.decode(r,{type:J,ts:e.dts,isIFrame:!1,cts:0})}},Gr=null;self.Worker&&self.MediaSource&&"canConstructInDedicatedWorker"in self.MediaSource&&!0===self.MediaSource.canConstructInDedicatedWorker&&(Gr={TAG:"worker MediaSource",_resetInIt(){Gr.isAvc=null,Gr.isAAC=null,Gr.videoInfo={},Gr.videoMeta={},Gr.audioMeta={},Gr.sourceBuffer=null,Gr.audioSourceBuffer=null,Gr.hasInit=!1,Gr.hasAudioInit=!1,Gr.isAudioInitInfo=!1,Gr.videoMimeType="",Gr.audioMimeType="",Gr.cacheTrack={},Gr.cacheAudioTrack={},Gr.timeInit=!1,Gr.sequenceNumber=0,Gr.audioSequenceNumber=0,Gr.firstRenderTime=null,Gr.firstAudioTime=null,Gr.mediaSourceAppendBufferFull=!1,Gr.mediaSourceAppendBufferError=!1,Gr.mediaSourceAddSourceBufferError=!1,Gr.mediaSourceBufferError=!1,Gr.mediaSourceError=!1,Gr.prevTimestamp=null,Gr.decodeDiffTimestamp=null,Gr.prevDts=null,Gr.prevAudioDts=null,Gr.prevPayloadBufferSize=0,Gr.isWidthOrHeightChanged=!1,Gr.prevTs=null,Gr.prevAudioTs=null,Gr.eventListenList=[],Gr.pendingRemoveRanges=[],Gr.pendingSegments=[],Gr.pendingAudioRemoveRanges=[],Gr.pendingAudioSegments=[],Gr.supportVideoFrameCallbackHandle=null,Gr.audioSourceBufferCheckTimeout=null,Gr.audioSourceNoDataCheckTimeout=null,Gr.hasPendingEos=!1,Gr.$video={currentTime:0,readyState:0}},init(){Gr.events=new Di,Gr._resetInIt(),Gr.mediaSource=new self.MediaSource,Gr.isDecodeFirstIIframe=!!tr($r._opt.checkFirstIFrame),Gr._bindMediaSourceEvents()},destroy(){Gr.stop(),Gr._clearAudioSourceBufferCheckTimeout(),Gr.eventListenList&&Gr.eventListenList.length&&(Gr.eventListenList.forEach((e=>e())),Gr.eventListenList=[]),Gr._resetInIt()},getState:()=>Gr.mediaSource&&Gr.mediaSource.readyState,isStateOpen:()=>Gr.getState()===ct,isStateClosed:()=>Gr.getState()===ht,isStateEnded:()=>Gr.getState()===ut,_bindMediaSourceEvents(){const{proxy:e}=Gr.events,t=e(Gr.mediaSource,pt,(()=>{$r.debug.log(Gr.TAG,"sourceOpen"),Gr._onMediaSourceSourceOpen()})),r=e(Gr.mediaSource,ft,(()=>{$r.debug.log(Gr.TAG,"sourceClose")})),i=e(Gr.mediaSource,mt,(()=>{$r.debug.log(Gr.TAG,"sourceended")}));Gr.eventListenList.push(t,r,i)},_onMediaSourceSourceOpen(){Gr.sourceBuffer||($r.debug.log(Gr.TAG,"onMediaSourceSourceOpen() sourceBuffer is null and next init"),Gr._initSourceBuffer()),Gr.audioSourceBuffer||($r.debug.log(Gr.TAG,"onMediaSourceSourceOpen() audioSourceBuffer is null and next init"),Gr._initAudioSourceBuffer()),Gr._hasPendingSegments()&&Gr._doAppendSegments()},decodeVideo(e,t,r,i){if($r.isDestroyed)$r.debug.warn(Gr.TAG,"decodeVideo() and decoder is destroyed");else if(tr(Gr.hasInit))if(r&&e[1]===bt){const i=15&e[0];if(i===Be&&tr(function(){let e=!1;return"MediaSource"in self&&(self.MediaSource.isTypeSupported(at)||self.MediaSource.isTypeSupported(nt)||self.MediaSource.isTypeSupported(ot)||self.MediaSource.isTypeSupported(dt)||self.MediaSource.isTypeSupported(lt))&&(e=!0),e}()))return void Gr.emitError(Ue.mediaSourceH265NotSupport);Gr.videoInfo.codec=i,postMessage({cmd:C,code:i});const s=new Uint8Array(e);postMessage({cmd:k,buffer:s,codecId:i},[s.buffer]),Gr.hasInit=Gr._decodeConfigurationRecord(e,t,r,i)}else $r.debug.warn(Gr.TAG,`decodeVideo has not init , isIframe is ${r} , payload is ${e[1]}`);else if(!Gr.isDecodeFirstIIframe&&r&&(Gr.isDecodeFirstIIframe=!0),Gr.isDecodeFirstIIframe){if(r&&0===e[1]){const t=15&e[0];let r={};if(t===xe){r=hr(e.slice(5))}else t===Be&&(r=Ur(e));const i=Gr.videoInfo;i&&i.codecWidth&&i.codecWidth&&r&&r.codecWidth&&r.codecHeight&&(r.codecWidth!==i.codecWidth||r.codecHeight!==i.codecWidth)&&($r.debug.warn(Gr.TAG,`\n                                decodeVideo: video width or height is changed,\n                                old width is ${i.codecWidth}, old height is ${i.codecWidth},\n                                new width is ${r.codecWidth}, new height is ${r.codecHeight},\n                                and emit change event`),Gr.isWidthOrHeightChanged=!0,Gr.emitError(Ue.mseWidthOrHeightChange))}if(Gr.isWidthOrHeightChanged)return void $r.debug.warn(Gr.TAG,"decodeVideo: video width or height is changed, and return");if(Qt(e))return void $r.debug.warn(Gr.TAG,"decodeVideo and payload is video sequence header so drop this frame");if(e.byteLength<12)return void $r.debug.warn(Gr.TAG,`decodeVideo and payload is too small , payload length is ${e.byteLength}`);let s=t;if($r.isPlayer){if(null===Gr.firstRenderTime&&(Gr.firstRenderTime=t,postMessage({cmd:X,value:Gr.firstRenderTime})),s=t-Gr.firstRenderTime,s<0&&($r.debug.warn(Gr.TAG,`decodeVideo\n                                 local dts is < 0 , ts is ${t} and prevTs is ${Gr.prevTs},\n                                 firstRenderTime is ${Gr.firstRenderTime} and mseCorrectTimeDuration is ${$r._opt.mseCorrectTimeDuration}`),s=null===Gr.prevDts?0:Gr.prevDts+$r._opt.mseCorrectTimeDuration,Gr._checkTsIsMaxDiff(t)))return $r.debug.warn(Gr.TAG,`decodeVideo is max diff , ts is ${t} and prevTs is ${Gr.prevTs}, diff is ${Gr.prevTs-t}`),void Gr.emitError(Ue.mediaSourceTsIsMaxDiff);if(null!==Gr.prevDts&&s<=Gr.prevDts){if($r.debug.warn(Gr.TAG,`\n                                decodeVideo dts is less than(or equal) prev dts ,\n                                dts is ${s} and prev dts is ${Gr.prevDts} ，\n                                and now ts is ${t} and prev ts is ${Gr.prevTs} ，\n                                and diff is ${t-Gr.prevTs} and firstRenderTime is ${Gr.firstRenderTime} and isIframe is ${r}，\n                                and mseCorrectTimeDuration is ${$r._opt.mseCorrectTimeDuration},\n                                and prevPayloadBufferSize is ${Gr.prevPayloadBufferSize} and payload size is ${e.byteLength}`),s===Gr.prevDts&&Gr.prevPayloadBufferSize===e.byteLength)return void $r.debug.warn(Gr.TAG,"decodeVideo dts is equal to prev dts and payload size is equal to prev payload size so drop this frame");if(s=Gr.prevDts+$r._opt.mseCorrectTimeDuration,Gr._checkTsIsMaxDiff(t))return $r.debug.warn(Gr.TAG,`decodeVideo is max diff , ts is ${t} and prevTs is ${Gr.prevTs}, diff is ${Gr.prevTs-t} and emit replay`),void Gr.emitError(Ue.mediaSourceTsIsMaxDiff)}}$r.isPlayer?Gr._decodeVideo(e,s,r,i,t):$r.isPlayback,Gr.prevDts=s,Gr.prevPayloadBufferSize=e.byteLength,Gr.prevTs=t}else $r.debug.log(Gr.TAG,"decodeVideo first frame is not iFrame")},decodeAudio(e,t){if($r.isDestroyed)$r.debug.warn(Gr.TAG,"decodeAudio() and decoder is destroyed");else if(tr(Gr.hasAudioInit))Gr.hasAudioInit=Gr._decodeAudioConfigurationRecord(e,t);else{let r=t;if(Ft(e))return void $r.debug.log(Gr.TAG,"decodeAudio and has already initialized and payload is aac codec packet so drop this frame");if(Gr._clearAudioNoDataCheckTimeout(),$r.isPlayer){if(null===Gr.firstAudioTime&&(Gr.firstAudioTime=t,null!==Gr.firstRenderTime&&null!==Gr.prevTs)){const e=Math.abs(Gr.firstRenderTime-Gr.prevTs);e>300&&(Gr.firstAudioTime-=e,$r.debug.warn(Gr.TAG,`video\n                                    firstAudioTime is ${Gr.firstRenderTime} and current time is ${Gr.prevTs}\n                                    play time is ${e} and firstAudioTime ${t} - ${e} = ${Gr.firstAudioTime}`))}r=t-Gr.firstAudioTime,r<0&&($r.debug.warn(Gr.TAG,`decodeAudio\n                             local dts is < 0 , ts is ${t} and prevTs is ${Gr.prevAudioTs},\n                             firstAudioTime is ${Gr.firstAudioTime}`),r=null===Gr.prevAudioDts?0:Gr.prevAudioDts+$r._opt.mseCorrectAudioTimeDuration),null!==Gr.prevAudioTs&&r<=Gr.prevAudioDts&&($r.debug.warn(Gr.TAG,`\n                            decodeAudio dts is less than(or equal) prev dts ,\n                            dts is ${r} and prev dts is ${Gr.prevAudioDts} ，\n                            and now ts is ${t} and prev ts is ${Gr.prevAudioTs} ，\n                            and diff is ${t-Gr.prevAudioTs}`),r=Gr.prevAudioDts+$r._opt.mseCorrectAudioTimeDuration)}$r.isPlayer?Gr._decodeAudio(e,r,t):$r.isPlayback,Gr.prevAudioTs=t,Gr.prevAudioDts=r}},_checkTsIsMaxDiff:e=>Gr.prevTs>0&&e<Gr.prevTs&&Gr.prevTs-e>b,_decodeConfigurationRecord(e,t,r,i){let s=e.slice(5),a={};if(i===xe?a=hr(s):i===Be&&(a=Ar(s)),Gr.videoInfo.width=a.codecWidth,Gr.videoInfo.height=a.codecHeight,0===a.codecWidth&&0===a.codecHeight)return $r.debug.warn(Gr.TAG,"_decodeConfigurationRecord error",JSON.stringify(a)),Gr.emitError(Ue.mediaSourceDecoderConfigurationError),!1;const n={id:At,type:"video",timescale:1e3,duration:0,avcc:s,codecWidth:a.codecWidth,codecHeight:a.codecHeight,videoType:a.videoType},o=Ii.generateInitSegment(n);Gr.isAvc=i===xe;let d=a.codec;return Gr.videoMimeType=d?`video/mp4; codecs="${a.codec}"`:Gr.isAvc?st:at,postMessage({cmd:S,w:a.codecWidth,h:a.codecHeight}),Gr._initSourceBuffer(),Gr.appendBuffer(o.buffer),Gr.sequenceNumber=0,Gr.cacheTrack={},Gr.timeInit=!1,!0},_decodeAudioConfigurationRecord(e,t){const r=e[0]>>4,i=e[0]>>1&1,s=r===Fe,a=r===De;if(tr(a||s))return $r.debug.warn(Gr.TAG,`_decodeAudioConfigurationRecord audio codec is not support , codecId is ${r} ant auto wasm decode`),Gr.emitError(Ue.mediaSourceAudioG711NotSupport),!1;const n={id:xt,type:"audio",timescale:1e3};let o={};if(Ft(e)){if(o=function(e){let t=new Uint8Array(e),r=null,i=0,s=0,a=0,n=null;if(i=s=t[0]>>>3,a=(7&t[0])<<1|t[1]>>>7,a<0||a>=Nt.length)return void console.error("Flv: AAC invalid sampling frequency index!");let o=Nt[a],d=(120&t[1])>>>3;if(d<0||d>=8)return void console.log("Flv: AAC invalid channel configuration");5===i&&(n=(7&t[1])<<1|t[2]>>>7,t[2]);let l=self.navigator.userAgent.toLowerCase();return-1!==l.indexOf("firefox")?a>=6?(i=5,r=new Array(4),n=a-3):(i=2,r=new Array(2),n=a):-1!==l.indexOf("android")?(i=2,r=new Array(2),n=a):(i=5,n=a,r=new Array(4),a>=6?n=a-3:1===d&&(i=2,r=new Array(2),n=a)),r[0]=i<<3,r[0]|=(15&a)>>>1,r[1]=(15&a)<<7,r[1]|=(15&d)<<3,5===i&&(r[1]|=(15&n)>>>1,r[2]=(1&n)<<7,r[2]|=8,r[3]=0),{audioType:"aac",config:r,sampleRate:o,channelCount:d,objectType:i,codec:"mp4a.40."+i,originalCodec:"mp4a.40."+s}}(e.slice(2)),!o)return!1;n.audioSampleRate=o.sampleRate,n.channelCount=o.channelCount,n.config=o.config,n.refSampleDuration=1024/n.audioSampleRate*n.timescale}else{if(!s)return!1;if(o=function(e){if(e.length<4)return void console.error("Invalid MP3 packet, header missing!");let t=new Uint8Array(e.buffer),r=null;if(255!==t[0])return void console.error("Invalid MP3 packet, first byte != 0xFF ");let i=t[1]>>>3&3,s=(6&t[1])>>1,a=(240&t[2])>>>4,n=(12&t[2])>>>2,o=3&~(t[3]>>>6)?2:1,d=0,l=0;switch(i){case 0:d=Li[n];break;case 2:d=Fi[n];break;case 3:d=Pi[n]}switch(s){case 1:a<Mi.length&&(l=Mi[a]);break;case 2:a<zi.length&&(l=zi[a]);break;case 3:a<Ri.length&&(l=Ri[a])}return r={bitRate:l,samplingRate:d,channelCount:o,codec:"mp3",originalCodec:"mp3",audioType:"mp3"},r}(e),!o)return!1;n.audioSampleRate=o.samplingRate,n.channelCount=o.channelCount,n.refSampleDuration=1152/n.audioSampleRate*n.timescale}n.codec=o.codec,n.duration=0;let d="mp4",l=o.codec,u=null;s&&tr(function(){const e=window.navigator.userAgent.toLowerCase();return/firefox/i.test(e)}())?(d="mpeg",l="",u=new Uint8Array):u=Ii.generateInitSegment(n);let c=`${n.type}/${d}`;return l&&l.length>0&&(c+=`;codecs=${l}`),tr(Gr.isAudioInitInfo)&&(xr=r===De?i?16:8:0===i?8:16,postMessage({cmd:x,code:r}),postMessage({cmd:A,sampleRate:n.audioSampleRate,channels:n.channelCount,depth:xr}),Gr.isAudioInitInfo=!0),Gr.audioMimeType=c,Gr.isAAC=a,Gr._initAudioSourceBuffer(),Gr.appendAudioBuffer(u.buffer),!0},_initSourceBuffer(){const{proxy:e}=Gr.events;if(null===Gr.sourceBuffer&&null!==Gr.mediaSource&&Gr.isStateOpen()&&Gr.videoMimeType){try{Gr.sourceBuffer=Gr.mediaSource.addSourceBuffer(Gr.videoMimeType),$r.debug.log(Gr.TAG,"_initSourceBuffer() mseDecoder.mediaSource.addSourceBuffer()",Gr.videoMimeType)}catch(e){return $r.debug.error(Gr.TAG,"appendBuffer() mseDecoder.mediaSource.addSourceBuffer()",e.code,e),Gr.emitError(Ue.mseAddSourceBufferError,e.code),void(Gr.mediaSourceAddSourceBufferError=!0)}if(Gr.sourceBuffer){const t=e(Gr.sourceBuffer,"error",(e=>{Gr.mediaSourceBufferError=!0,$r.debug.error(Gr.TAG,"mseSourceBufferError mseDecoder.sourceBuffer",e),Gr.emitError(Ue.mseSourceBufferError,e.code)})),r=e(Gr.sourceBuffer,"updateend",(()=>{Gr._hasPendingRemoveRanges()?Gr._doRemoveRanges():Gr._hasPendingSegments()?Gr._doAppendSegments():Gr.hasPendingEos&&($r.debug.log(Gr.TAG,"videoSourceBuffer updateend and hasPendingEos is true, next endOfStream()"),Gr.endOfStream())}));Gr.eventListenList.push(t,r)}}else $r.debug.log(Gr.TAG,`_initSourceBuffer and mseDecoder.isStateOpen is ${Gr.isStateOpen()} and mseDecoder.isAvc === null is ${null===Gr.isAvc}`)},_initAudioSourceBuffer(){const{proxy:e}=Gr.events;if(null===Gr.audioSourceBuffer&&null!==Gr.mediaSource&&Gr.isStateOpen()&&Gr.audioMimeType){try{Gr.audioSourceBuffer=Gr.mediaSource.addSourceBuffer(Gr.audioMimeType),Gr._clearAudioSourceBufferCheckTimeout(),$r.debug.log(Gr.TAG,"_initAudioSourceBuffer() mseDecoder.mediaSource.addSourceBuffer()",Gr.audioMimeType)}catch(e){return $r.debug.error(Gr.TAG,"appendAudioBuffer() mseDecoder.mediaSource.addSourceBuffer()",e.code,e),Gr.emitError(Ue.mseAddSourceBufferError,e.code),void(Gr.mediaSourceAddSourceBufferError=!0)}if(Gr.audioSourceBuffer){const t=e(Gr.audioSourceBuffer,"error",(e=>{Gr.mediaSourceBufferError=!0,$r.debug.error(Gr.TAG,"mseSourceBufferError mseDecoder.audioSourceBuffer",e),Gr.emitError(Ue.mseSourceBufferError,e.code)})),r=e(Gr.audioSourceBuffer,"updateend",(()=>{Gr._hasPendingRemoveRanges()?Gr._doRemoveRanges():Gr._hasPendingSegments()?Gr._doAppendSegments():Gr.hasPendingEos&&($r.debug.log(Gr.TAG,"audioSourceBuffer updateend and hasPendingEos is true, next endOfStream()"),Gr.endOfStream())}));Gr.eventListenList.push(t,r),null===Gr.audioSourceNoDataCheckTimeout&&(Gr.audioSourceNoDataCheckTimeout=setTimeout((()=>{Gr._clearAudioNoDataCheckTimeout(),Gr.emitError(Ue.mediaSourceAudioNoDataTimeout)}),1e3))}}else $r.debug.log(Gr.TAG,`_initAudioSourceBuffer and mseDecoder.isStateOpen is ${Gr.isStateOpen()} and mseDecoder.audioMimeType is ${Gr.audioMimeType}`)},_decodeVideo(e,t,r,i,s){let a=e.slice(5),n=a.byteLength;if(0===n)return void $r.debug.warn(Gr.TAG,"_decodeVideo payload bytes is 0 and return");let o=(new Date).getTime(),d=!1;Gr.prevTimestamp||(Gr.prevTimestamp=o,d=!0);const l=o-Gr.prevTimestamp;if(Gr.decodeDiffTimestamp=l,l>500&&!d&&$r.isPlayer&&$r.debug.warn(Gr.TAG,`_decodeVideo now time is ${o} and prev time is ${Gr.prevTimestamp}, diff time is ${l} ms`),Gr.cacheTrack.id&&t>=Gr.cacheTrack.dts){let e=8+Gr.cacheTrack.size,r=new Uint8Array(e);r[0]=e>>>24&255,r[1]=e>>>16&255,r[2]=e>>>8&255,r[3]=255&e,r.set(Ii.types.mdat,4),r.set(Gr.cacheTrack.data,8),Gr.cacheTrack.duration=t-Gr.cacheTrack.dts;let i=Ii.moof(Gr.cacheTrack,Gr.cacheTrack.dts);Gr.cacheTrack={};let s=new Uint8Array(i.byteLength+r.byteLength);s.set(i,0),s.set(r,i.byteLength),Gr.appendBuffer(s.buffer)}else $r.debug.log(Gr.TAG,`timeInit set false , cacheTrack = {} now dts is ${t}, and ts is ${s} cacheTrack dts is ${Gr.cacheTrack&&Gr.cacheTrack.dts}`),Gr.timeInit=!1,Gr.cacheTrack={};Gr.cacheTrack||(Gr.cacheTrack={}),Gr.cacheTrack.id=At,Gr.cacheTrack.sequenceNumber=++Gr.sequenceNumber,Gr.cacheTrack.size=n,Gr.cacheTrack.dts=t,Gr.cacheTrack.cts=i,Gr.cacheTrack.isKeyframe=r,Gr.cacheTrack.data=a,Gr.cacheTrack.flags={isLeading:0,dependsOn:r?2:1,isDependedOn:r?1:0,hasRedundancy:0,isNonSync:r?0:1},Gr.prevTimestamp=(new Date).getTime()},_decodeAudio(e,t,r){let i=Gr.isAAC?e.slice(2):e.slice(1),s=i.byteLength;if(Gr.cacheAudioTrack.id&&t>=Gr.cacheAudioTrack.dts){let e=8+Gr.cacheAudioTrack.size,r=new Uint8Array(e);r[0]=e>>>24&255,r[1]=e>>>16&255,r[2]=e>>>8&255,r[3]=255&e,r.set(Ii.types.mdat,4),r.set(Gr.cacheAudioTrack.data,8),Gr.cacheAudioTrack.duration=t-Gr.cacheAudioTrack.dts;let i=Ii.moof(Gr.cacheAudioTrack,Gr.cacheAudioTrack.dts);Gr.cacheAudioTrack={};let s=new Uint8Array(i.byteLength+r.byteLength);s.set(i,0),s.set(r,i.byteLength),Gr.appendAudioBuffer(s.buffer)}else Gr.cacheAudioTrack={};Gr.cacheAudioTrack||(Gr.cacheAudioTrack={}),Gr.cacheAudioTrack.id=xt,Gr.cacheAudioTrack.sequenceNumber=++Gr.audioSequenceNumber,Gr.cacheAudioTrack.size=s,Gr.cacheAudioTrack.dts=t,Gr.cacheAudioTrack.cts=0,Gr.cacheAudioTrack.data=i,Gr.cacheAudioTrack.flags={isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0}},appendBuffer(e){$r.isDestroyed?$r.debug.warn(Gr.TAG,"appendBuffer() player is destroyed"):Gr.mediaSourceAddSourceBufferError?$r.debug.warn(Gr.TAG,"mseDecoder.mediaSourceAddSourceBufferError is true"):Gr.mediaSourceAppendBufferFull?$r.debug.warn(Gr.TAG,"mseDecoder.mediaSourceAppendBufferFull is true"):Gr.mediaSourceAppendBufferError?$r.debug.warn(Gr.TAG,"mseDecoder.mediaSourceAppendBufferError is true"):Gr.mediaSourceBufferError?$r.debug.warn(Gr.TAG,"mseDecoder.mediaSourceBufferError is true"):(Gr.pendingSegments.push(e),Gr.sourceBuffer&&($r._opt.mseAutoCleanupSourceBuffer&&Gr._needCleanupSourceBuffer()&&Gr._doCleanUpSourceBuffer(),tr(Gr.getSourceBufferUpdating())&&Gr.isStateOpen()&&tr(Gr._hasPendingRemoveRanges()))?Gr._doAppendSegments():Gr.isStateClosed()?(Gr.mediaSourceBufferError=!0,Gr.emitError(Ue.mseSourceBufferError,"mediaSource is not attached to video or mediaSource is closed")):Gr.isStateEnded()?(Gr.mediaSourceBufferError=!0,Gr.emitError(Ue.mseSourceBufferError,"mediaSource is end")):Gr._hasPendingRemoveRanges()&&$r.debug.log(Gr.TAG,`video has pending remove ranges and video length is ${Gr.pendingRemoveRanges.length}, audio length is ${Gr.pendingAudioRemoveRanges.length}`))},appendAudioBuffer(e){$r.isDestroyed?$r.debug.warn(Gr.TAG,"appendAudioBuffer() player is destroyed"):Gr.mediaSourceAddSourceBufferError?$r.debug.warn(Gr.TAG,"mseDecoder.mediaSourceAddSourceBufferError is true"):Gr.mediaSourceAppendBufferFull?$r.debug.warn(Gr.TAG,"mseDecoder.mediaSourceAppendBufferFull is true"):Gr.mediaSourceAppendBufferError?$r.debug.warn(Gr.TAG,"mseDecoder.mediaSourceAppendBufferError is true"):Gr.mediaSourceBufferError?$r.debug.warn(Gr.TAG,"mseDecoder.mediaSourceBufferError is true"):(Gr.pendingAudioSegments.push(e),Gr.audioSourceBuffer&&($r._opt.mseAutoCleanupSourceBuffer&&Gr._needCleanupSourceBuffer()&&Gr._doCleanUpSourceBuffer(),tr(Gr.getAudioSourceBufferUpdating())&&Gr.isStateOpen()&&tr(Gr._hasPendingRemoveRanges()))?Gr._doAppendSegments():Gr.isStateClosed()?(Gr.mediaSourceBufferError=!0,Gr.emitError(Ue.mseSourceBufferError,"mediaSource is not attached to video or mediaSource is closed")):Gr.isStateEnded()?(Gr.mediaSourceBufferError=!0,Gr.emitError(Ue.mseSourceBufferError,"mediaSource is end")):Gr._hasPendingRemoveRanges()&&$r.debug.log(Gr.TAG,`audio has pending remove ranges and video length is ${Gr.pendingRemoveRanges.length}, audio length is ${Gr.pendingAudioRemoveRanges.length}`))},getSourceBufferUpdating:()=>Gr.sourceBuffer&&Gr.sourceBuffer.updating,getAudioSourceBufferUpdating:()=>Gr.audioSourceBuffer&&Gr.audioSourceBuffer.updating,stop(){Gr.abortSourceBuffer(),Gr.removeSourceBuffer()},clearUpAllSourceBuffer(){if(Gr.sourceBuffer){const e=Gr.sourceBuffer.buffered;for(let t=0;t<e.length;t++){let r=e.start(t),i=e.end(t);Gr.pendingRemoveRanges.push({start:r,end:i})}tr(Gr.getSourceBufferUpdating())&&Gr._doRemoveRanges()}if(Gr.audioSourceBuffer){const e=Gr.audioSourceBuffer.buffered;for(let t=0;t<e.length;t++){let r=e.start(t),i=e.end(t);Gr.pendingAudioRemoveRanges.push({start:r,end:i})}tr(Gr.getAudioSourceBufferUpdating())&&Gr._doRemoveRanges()}},endOfStream(){if(Gr.isStateOpen())if(Gr.getSourceBufferUpdating()||Gr.getAudioSourceBufferUpdating())$r.debug.log(Gr.TAG,"endOfStream() has pending eos"),Gr.hasPendingEos=!0;else{Gr.hasPendingEos=!1;try{$r.debug.log(Gr.TAG,"endOfStream()"),Gr.mediaSource.endOfStream()}catch(e){$r.debug.warn(Gr.TAG,"endOfStream() error",e)}}},abortSourceBuffer(){if(Gr.isStateOpen){if(Gr.sourceBuffer)try{$r.debug.log(Gr.TAG,"abortSourceBuffer() abort sourceBuffer"),Gr.sourceBuffer.abort()}catch(e){}if(Gr.audioSourceBuffer)try{$r.debug.log(Gr.TAG,"abortSourceBuffer() abort audioSourceBuffer"),Gr.audioSourceBuffer.abort()}catch(e){}}Gr.sourceBuffer=null,Gr.audioSourceBuffer=null},removeSourceBuffer(){if(!Gr.isStateClosed()&&Gr.mediaSource){if(Gr.sourceBuffer)try{$r.debug.log(Gr.TAG,"removeSourceBuffer() sourceBuffer"),Gr.mediaSource.removeSourceBuffer(Gr.sourceBuffer)}catch(e){$r.debug.warn(Gr.TAG,"removeSourceBuffer() sourceBuffer error",e)}if(Gr.audioSourceBuffer)try{$r.debug.log(Gr.TAG,"removeSourceBuffer() audioSourceBuffer"),Gr.mediaSource.removeSourceBuffer(Gr.audioSourceBuffer)}catch(e){$r.debug.warn(Gr.TAG,"removeSourceBuffer() audioSourceBuffer error",e)}}},_hasPendingSegments:()=>Gr.pendingSegments.length>0||Gr.pendingAudioSegments.length>0,getPendingSegmentsLength:()=>Gr.pendingSegments.length,_handleUpdatePlaybackRate(){},_doAppendSegments(){if(Gr.isStateClosed()||Gr.isStateEnded())$r.debug.log(Gr.TAG,"_doAppendSegments() mediaSource is closed or ended and return");else if(null!==Gr.sourceBuffer){if(Gr.needInitAudio()&&null===Gr.audioSourceBuffer)return $r.debug.log(Gr.TAG,"_doAppendSegments() audioSourceBuffer is null and need init audio source buffer"),void(null===Gr.audioSourceBufferCheckTimeout&&(Gr.audioSourceBufferCheckTimeout=setTimeout((()=>{Gr._clearAudioSourceBufferCheckTimeout(),Gr.emitError(Ue.mediaSourceAudioInitTimeout)}),1e3)));if(tr(Gr.getSourceBufferUpdating())&&Gr.pendingSegments.length>0){const e=Gr.pendingSegments.shift();try{Gr.sourceBuffer.appendBuffer(e)}catch(e){$r.debug.error(Gr.TAG,"mseDecoder.sourceBuffer.appendBuffer()",e.code,e),22===e.code?(Gr.stop(),Gr.mediaSourceAppendBufferFull=!0,Gr.emitError(Ue.mediaSourceFull)):11===e.code?(Gr.stop(),Gr.mediaSourceAppendBufferError=!0,Gr.emitError(Ue.mediaSourceAppendBufferError)):(Gr.stop(),Gr.mediaSourceBufferError=!0,Gr.emitError(Ue.mseSourceBufferError,e.code))}}if(tr(Gr.getAudioSourceBufferUpdating())&&Gr.pendingAudioSegments.length>0){const e=Gr.pendingAudioSegments.shift();try{Gr.audioSourceBuffer.appendBuffer(e)}catch(e){$r.debug.error(Gr.TAG,"mseDecoder.audioSourceBuffer.appendBuffer()",e.code,e),22===e.code?(Gr.stop(),Gr.mediaSourceAppendBufferFull=!0,Gr.emitError(Ue.mediaSourceFull)):11===e.code?(Gr.stop(),Gr.mediaSourceAppendBufferError=!0,Gr.emitError(Ue.mediaSourceAppendBufferError)):(Gr.stop(),Gr.mediaSourceBufferError=!0,Gr.emitError(Ue.mseSourceBufferError,e.code))}}}else $r.debug.log(Gr.TAG,"_doAppendSegments() sourceBuffer is null and wait init and return")},_doCleanUpSourceBuffer(){const e=Gr.$video.currentTime;if(Gr.sourceBuffer){const t=Gr.sourceBuffer.buffered;let r=!1;for(let i=0;i<t.length;i++){let s=t.start(i),a=t.end(i);if(s<=e&&e<a+3){if(e-s>=$r._opt.mseAutoCleanupMaxBackwardDuration){r=!0;let t=e-$r._opt.mseAutoCleanupMinBackwardDuration;Gr.pendingRemoveRanges.push({start:s,end:t})}}else a<e&&(r=!0,Gr.pendingRemoveRanges.push({start:s,end:a}))}r&&tr(Gr.getSourceBufferUpdating())&&Gr._doRemoveRanges()}if(Gr.audioSourceBuffer){const t=Gr.audioSourceBuffer.buffered;let r=!1;for(let i=0;i<t.length;i++){let s=t.start(i),a=t.end(i);if(s<=e&&e<a+3){if(e-s>=$r._opt.mseAutoCleanupMaxBackwardDuration){r=!0;let t=e-$r._opt.mseAutoCleanupMinBackwardDuration;Gr.pendingAudioRemoveRanges.push({start:s,end:t})}}else a<e&&(r=!0,Gr.pendingAudioRemoveRanges.push({start:s,end:a}))}r&&tr(Gr.getAudioSourceBufferUpdating())&&Gr._doRemoveRanges()}},_hasPendingRemoveRanges:()=>Gr.pendingRemoveRanges.length>0||Gr.pendingAudioRemoveRanges.length>0,needInitAudio:()=>$r._opt.hasAudio&&$r._opt.mseDecodeAudio,_doRemoveRanges(){if(Gr.sourceBuffer&&tr(Gr.getSourceBufferUpdating())){let e=Gr.pendingRemoveRanges;for(;e.length&&tr(Gr.getSourceBufferUpdating());){let t=e.shift();try{Gr.sourceBuffer.remove(t.start,t.end)}catch(e){$r.debug.warn(Gr.TAG,"_doRemoveRanges() sourceBuffer error",e)}}}if(Gr.audioSourceBuffer&&tr(Gr.getAudioSourceBufferUpdating())){let e=Gr.pendingAudioRemoveRanges;for(;e.length&&tr(Gr.getAudioSourceBufferUpdating());){let t=e.shift();try{Gr.audioSourceBuffer.remove(t.start,t.end)}catch(e){$r.debug.warn(Gr.TAG,"_doRemoveRanges() audioSourceBuffer error",e)}}}},_getPlaybackRate(){},_needCleanupSourceBuffer(){if(tr($r._opt.mseAutoCleanupSourceBuffer))return!1;const e=Gr.$video.currentTime;if(Gr.sourceBuffer){let t=Gr.sourceBuffer.buffered;if(t.length>=1&&e-t.start(0)>=$r._opt.mseAutoCleanupMaxBackwardDuration)return!0}if(Gr.audioSourceBuffer){let t=Gr.audioSourceBuffer.buffered;if(t.length>=1&&e-t.start(0)>=$r._opt.mseAutoCleanupMaxBackwardDuration)return!0}return!1},_clearAudioSourceBufferCheckTimeout(){Gr.audioSourceBufferCheckTimeout&&(clearTimeout(Gr.audioSourceBufferCheckTimeout),Gr.audioSourceBufferCheckTimeout=null)},_clearAudioNoDataCheckTimeout(){Gr.audioSourceNoDataCheckTimeout&&(clearTimeout(Gr.audioSourceNoDataCheckTimeout),Gr.audioSourceNoDataCheckTimeout=null)},getHandle:()=>Gr.mediaSource.handle,emitError(e,t=""){postMessage({cmd:Z,value:e,msg:t})}});let $r={isPlayer:!0,isPlayback:!1,dropping:!1,isPushDropping:!1,isWorkerFetch:!1,isDestroyed:!1,isTimeWait:!1,fetchStatus:St,_opt:Lr(),mp3Demuxer:null,delay:-1,audioNum:0,pushLatestDelay:-1,firstTimestamp:null,startTimestamp:null,preDelayTimestamp:null,stopId:null,streamFps:null,streamAudioFps:null,streamVideoFps:null,writableStream:null,networkDelay:0,webglObj:null,startStreamRateAndStatsInterval:function(){$r.stopStreamRateAndStatsInterval(),d=setInterval((()=>{o&&o(0);const e=JSON.stringify({demuxBufferDelay:$r.getVideoBufferLength(),audioDemuxBufferDelay:$r.getAudioBufferLength(),streamBufferByteLength:$r.getStreamBufferLength(),netBuf:$r.networkDelay||0,pushLatestDelay:$r.pushLatestDelay||0,latestDelay:$r.delay,isStreamTsMoreThanLocal:He});postMessage({cmd:F,type:we,value:e})}),1e3)},stopStreamRateAndStatsInterval:function(){d&&(clearInterval(d),d=null)},useOffscreen:function(){return $r._opt.useOffscreen&&"undefined"!=typeof OffscreenCanvas},getDelay:function(e,t){if(!e||$r._opt.hasVideo&&!ze)return-1;if(t===J)return $r.delay;if($r.preDelayTimestamp&&$r.preDelayTimestamp>e)return $r.preDelayTimestamp-e>1e3&&$r.debug.warn("worker",`getDelay() and preDelayTimestamp is ${$r.preDelayTimestamp} > timestamp is ${e} more than ${$r.preDelayTimestamp-e}ms and return ${$r.delay}`),$r.preDelayTimestamp=e,$r.delay;if($r.firstTimestamp){if(e){const t=Date.now()-$r.startTimestamp,r=e-$r.firstTimestamp;t>=r?(He=!1,$r.delay=t-r):(He=!0,$r.delay=r-t)}}else $r.firstTimestamp=e,$r.startTimestamp=Date.now(),$r.delay=-1;return $r.preDelayTimestamp=e,$r.delay},getDelayNotUpdateDelay:function(e,t){if(!e||$r._opt.hasVideo&&!ze)return-1;if(t===J)return $r.pushLatestDelay;if($r.preDelayTimestamp&&$r.preDelayTimestamp-e>1e3)return $r.debug.warn("worker",`getDelayNotUpdateDelay() and preDelayTimestamp is ${$r.preDelayTimestamp} > timestamp is ${e} more than ${$r.preDelayTimestamp-e}ms and return -1`),-1;if($r.firstTimestamp){let t=-1;if(e){const r=Date.now()-$r.startTimestamp,i=e-$r.firstTimestamp;r>=i?(He=!1,t=r-i):(He=!0,t=i-r)}return t}return-1},resetDelay:function(){$r.firstTimestamp=null,$r.startTimestamp=null,$r.delay=-1,$r.dropping=!1},resetAllDelay:function(){$r.resetDelay(),$r.preDelayTimestamp=null},doDecode:function(e){$r._opt.isEmitSEI&&e.type===Q&&$r.isWorkerFetch&&$r.findSei(e.payload,e.ts),$r.isPlayUseMSEAndDecoderInWorker()?e.type===J?$r._opt.mseDecodeAudio?Gr.decodeAudio(e.payload,e.ts):e.decoder.decode(e.payload,e.ts):e.type===Q&&Gr.decodeVideo(e.payload,e.ts,e.isIFrame,e.cts):$r._opt.useWCS&&$r.useOffscreen()&&e.type===Q&&s.decode?s.decode(e.payload,e.ts,e.cts):e.decoder.decode(e.payload,e.ts,e.isIFrame,e.cts)},decodeNext(e){if(0===r.length)return;const i=e.ts,s=r[0],a=e.type===Q&&Qt(e.payload);if(tr(t))a&&($r.debug.log("worker",`decode data type is ${e.type} and\n                ts is ${i} next data type is ${s.type} ts is ${s.ts}\n                isVideoSqeHeader is ${a}`),r.shift(),$r.doDecode(s));else{const t=s.ts-i,n=s.type===J&&e.type===Q;(t<=20||n||a)&&($r.debug.log("worker",`decode data type is ${e.type} and\n                ts is ${i} next data type is ${s.type} ts is ${s.ts}\n                diff is ${t} and isVideoAndNextAudio is ${n} and isVideoSqeHeader is ${a}`),r.shift(),$r.doDecode(s))}},init:function(){$r.debug.log("worker","init and opt is",JSON.stringify($r._opt));const e=$r._opt.playType===m,t=$r._opt.playType===_;if(zr.init(),$r.isPlayer=e,$r.isPlayback=t,$r.isPlayUseMSEAndDecoderInWorker()&&Gr&&Gr.init(),$r.isPlaybackCacheBeforeDecodeForFpsRender())$r.debug.log("worker","playback and playbackIsCacheBeforeDecodeForFpsRender is true");else{$r.debug.log("worker","setInterval()");const t=$r._opt.videoBuffer+$r._opt.videoBufferDelay,i=()=>{let i=null;if(r.length){if($r.isPushDropping)return void $r.debug.warn("worker",`loop() isPushDropping is true and bufferList length is ${r.length}`);if($r.dropping){for(i=r.shift(),$r.debug.warn("worker",`loop() dropBuffer is dropping and isIFrame ${i.isIFrame} and delay is ${$r.delay} and bufferlist is ${r.length}`);!i.isIFrame&&r.length;)i=r.shift();const e=$r.getDelayNotUpdateDelay(i.ts,i.type);i.isIFrame&&e<=$r.getNotDroppingDelayTs()&&($r.debug.log("worker","loop() is dropping = false, is iFrame"),$r.dropping=!1,$r.doDecode(i),$r.decodeNext(i))}else if($r.isPlayback||$r.isPlayUseMSE()||0===$r._opt.videoBuffer)for(;r.length;)i=r.shift(),$r.doDecode(i);else if(i=r[0],-1===$r.getDelay(i.ts,i.type))$r.debug.log("worker","loop() common dumex delay is -1 ,data.ts is",i.ts),r.shift(),$r.doDecode(i),$r.decodeNext(i);else if($r.delay>t&&e)$r.hasIframeInBufferList()?($r.debug.log("worker",`delay is ${$r.delay} > maxDelay ${t}, set dropping is true`),$r.resetAllDelay(),$r.dropping=!0,postMessage({cmd:R})):(r.shift(),$r.doDecode(i),$r.decodeNext(i));else for(;r.length;){if(i=r[0],!($r.getDelay(i.ts,i.type)>$r._opt.videoBuffer)){$r.delay<0&&$r.debug.warn("worker",`loop() do not decode and delay is ${$r.delay}, bufferList is ${r.length}`);break}r.shift(),$r.doDecode(i)}}else-1!==$r.delay&&$r.debug.log("worker","loop() bufferList is empty and reset delay"),$r.resetAllDelay()};$r.stopId=setInterval((()=>{let e=(new Date).getTime();_t||(_t=e);const t=e-_t;t>100&&$r.debug.warn("worker",`loop demux diff time is ${t}`),i(),_t=(new Date).getTime()}),20)}if(tr($r._opt.checkFirstIFrame)&&(ze=!0),$r.isPlayUseMSEAndDecoderInWorker()&&Gr){const e=Gr.getHandle();e&&postMessage({cmd:K,mseHandle:e},[e])}},playbackCacheLoop:function(){$r.stopId&&(clearInterval($r.stopId),$r.stopId=null);const e=()=>{let e=null;r.length&&(e=r.shift(),$r.doDecode(e))};e();const t=Math.ceil(1e3/($r.streamFps*$r._opt.playbackRate));$r.debug.log("worker",`playbackCacheLoop fragDuration is ${t}, streamFps is ${$r.streamFps}, streamAudioFps is ${$r.streamAudioFps} ,streamVideoFps is ${$r.streamVideoFps} playbackRate is ${$r._opt.playbackRate}`),$r.stopId=setInterval(e,t)},close:function(){if($r.debug.log("worker","close"),$r.isDestroyed=!0,Rr(),!n||1!==n.readyState&&2!==n.readyState?n&&$r.debug.log("worker",`close() and socket.readyState is ${n.readyState}`):(Fr=!0,n.close(1e3,"Client disconnecting")),n=null,$r.stopStreamRateAndStatsInterval(),$r.stopId&&(clearInterval($r.stopId),$r.stopId=null),$r.mp3Demuxer&&($r.mp3Demuxer.destroy(),$r.mp3Demuxer=null),$r.writableStream&&tr($r.writableStream.locked)&&$r.writableStream.close().catch((e=>{$r.debug.log("worker","close() and writableStream.close() error",e)})),$r.writableStream=null,Hr)try{Hr.clearAudio&&Hr.clearAudio(),Hr=null}catch(e){$r.debug.warn("worker","close() and audioDecoder.clear error",e)}if(Vr)try{Vr.clear&&Vr.clear(),Vr=null}catch(e){$r.debug.warn("worker","close() and videoDecoder.clear 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audio ts is ${i.ts}, isAacCodecPacket is true`),$r._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:W,buffer:t},[t.buffer])}$r.decodeAudio(e,i.ts)}else if(i.type===Q&&i.isIFrame&&Qt(e)){if($r.debug.log("worker",`pushBuffer video ts is ${i.ts}, isVideoSequenceHeader is true`),$r._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:j,buffer:t},[t.buffer])}$r.decodeVideo(e,i.ts,i.isIFrame,i.cts)}else{if($r._opt.isRecording)if($r._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:q,type:i.type,buffer:t,ts:i.ts},[t.buffer])}else if($r._opt.recordType===g)if(i.type===Q){const t=new Uint8Array(e).slice(5);postMessage({cmd:D,buffer:t,isIFrame:i.isIFrame,ts:i.ts,cts:i.cts},[t.buffer])}else if(i.type===J){const t=new Uint8Array(e),r=Lt(t)?t.slice(2):t.slice(1);postMessage({cmd:B,buffer:r,ts:i.ts},[r.buffer])}if($r.isPlayer&&sr>0&&ir>0&&i.type===Q){const e=i.ts-ir,t=sr+sr/2;e>t&&$r.debug.log("worker",`pushBuffer video\n                    ts is ${i.ts}, preTimestamp is ${ir},\n                    diff is ${e} and preTimestampDuration is ${sr} and maxDiff is ${t}\n                    maybe trigger black screen or flower screen\n                    `)}if($r.isPlayer&&ir>0&&i.type===Q&&i.ts<ir&&ir-i.ts>b&&($r.debug.warn("worker",`pushBuffer,\n                preTimestamp is ${ir}, options.ts is ${i.ts},\n                diff is ${ir-i.ts} more than 3600000,\n                and resetAllDelay`),$r.resetAllDelay(),ir=null,sr=0),$r.isPlayer&&ir>0&&i.ts<=ir&&i.type===Q&&($r.debug.warn("worker",`pushBuffer() and isIFrame is ${i.isIFrame} and,\n                options.ts is ${i.ts} less than (or equal) preTimestamp is ${ir} and\n                payloadBufferSize is ${e.byteLength} and prevPayloadBufferSize is ${ar}`),$r._opt.isDropSameTimestampGop&&tr(i.isIFrame)&&ze)){const e=$r.hasIframeInBufferList(),r=tr($r.isPushDropping);return $r.debug.log("worker",`pushBuffer, isDropSameTimestampGop is true and\n                    hasIframe is ${e} and isNotPushDropping is ${r} and next dropBuffer`),void(e&&r?$r.dropBuffer$2():($r.clearBuffer(!0),er($r._opt.checkFirstIFrame)&&er(t)&&($r.isPlayUseMSEAndDecoderInWorker()?Gr.isDecodeFirstIIframe=!1:postMessage({cmd:Y}))))}if($r.isPlayer&&ze){const e=$r._opt.videoBuffer+$r._opt.videoBufferDelay,t=$r.getDelayNotUpdateDelay(i.ts,i.type);$r.pushLatestDelay=t,t>e&&$r.delay<e&&$r.delay>0&&$r.hasIframeInBufferList()&&!1===$r.isPushDropping&&($r.debug.log("worker",`pushBuffer(), pushLatestDelay is ${t} more than ${e} and decoder.delay is ${$r.delay} and has iIframe and next decoder.dropBuffer$2()`),$r.dropBuffer$2())}if($r.isPlayer&&i.type===Q&&(ir>0&&(sr=i.ts-ir),ar=e.byteLength,ir=i.ts),i.type===J?r.push({ts:i.ts,payload:e,decoder:{decode:$r.decodeAudio},type:J,isIFrame:!1}):i.type===Q&&r.push({ts:i.ts,cts:i.cts,payload:e,decoder:{decode:$r.decodeVideo},type:Q,isIFrame:i.isIFrame}),$r.isPlaybackCacheBeforeDecodeForFpsRender()&&(Yt($r.streamVideoFps)||Yt($r.streamAudioFps))){let e=$r.streamVideoFps,t=$r.streamAudioFps;if(Yt($r.streamVideoFps)&&(e=Zt(r,Q),e&&($r.streamVideoFps=e,postMessage({cmd:z,value:$r.streamVideoFps}),$r.streamFps=t?e+t:e,tr($r._opt.hasAudio)&&($r.debug.log("worker","playbackCacheBeforeDecodeForFpsRender, _opt.hasAudio is false and set streamAudioFps is 0"),$r.streamAudioFps=0),$r.playbackCacheLoop())),Yt($r.streamAudioFps)&&(t=Zt(r,J),t&&($r.streamAudioFps=t,$r.streamFps=e?e+t:t,$r.playbackCacheLoop())),Yt($r.streamVideoFps)&&Yt($r.streamAudioFps)){const i=r.map((e=>({type:e.type,ts:e.ts})));$r.debug.log("worker",`playbackCacheBeforeDecodeForFpsRender, calc streamAudioFps is ${t}, streamVideoFps is ${e}, bufferListLength  is ${r.length}, and ts list is ${JSON.stringify(i)}`)}const i=$r.getAudioBufferLength()>0,s=i?60:40;r.length>=s&&($r.debug.warn("worker",`playbackCacheBeforeDecodeForFpsRender, bufferListLength  is ${r.length} more than ${s}, and hasAudio is ${i} an set streamFps is 25`),$r.streamVideoFps=25,postMessage({cmd:z,value:$r.streamVideoFps}),i?($r.streamAudioFps=25,$r.streamFps=$r.streamVideoFps+$r.streamAudioFps):$r.streamFps=$r.streamVideoFps,$r.playbackCacheLoop())}}},getVideoBufferLength(){let e=0;return r.forEach((t=>{t.type===Q&&(e+=1)})),e},hasIframeInBufferList:()=>r.some((e=>e.type===Q&&e.isIFrame)),isAllIframeInBufferList(){const e=$r.getVideoBufferLength();let t=0;return r.forEach((e=>{e.type===Q&&e.isIFrame&&(t+=1)})),e===t},getNotDroppingDelayTs:()=>$r._opt.videoBuffer+$r._opt.videoBufferDelay/2,getAudioBufferLength(){let e=0;return r.forEach((t=>{t.type===J&&(e+=1)})),e},getStreamBufferLength(){let e=0;return l&&l.buffer&&(e=l.buffer.byteLength),$r._opt.isNakedFlow?zr.lastBuf&&(e=zr.lastBuf.byteLength):$r._opt.isTs?Or._remainingPacketData&&(e=Or._remainingPacketData.byteLength):$r._opt.isFmp4&&Mr.mp4Box&&(e=Mr.mp4Box.getAllocatedSampleDataSize()),e},fetchStream:function(e,t){t.useMSE=!0,$r.debug.log("worker","fetchStream, url is "+e,"options:",JSON.stringify(t)),$r.isWorkerFetch=!0,t.isFlv?$r._opt.isFlv=!0:t.isFmp4?$r._opt.isFmp4=!0:t.isMpeg4?$r._opt.isMpeg4=!0:t.isNakedFlow?$r._opt.isNakedFlow=!0:t.isTs&&($r._opt.isTs=!0),o=qt((e=>{postMessage({cmd:F,type:_e,value:e})})),$r.startStreamRateAndStatsInterval(),t.isFmp4&&(Mr.listenMp4Box(),$r._opt.isFmp4Private&&Mr.initTransportDescarmber()),t.protocol===h?(l=new dr($r.demuxFlv()),fetch(e).then((e=>{if(er(Fr))return $r.debug.log("worker","request abort and run res.body.cancel()"),$r.fetchStatus=St,void e.body.cancel();if(!function(e){return e.ok&&e.status>=200&&e.status<=299}(e))return $r.debug.warn("worker",`fetch response status is ${e.status} and ok is ${e.ok} and emit error and next abort()`),Rr(),void postMessage({cmd:F,type:Ue.fetchError,value:`fetch response status is ${e.status} and ok is ${e.ok}`});if(postMessage({cmd:F,type:ve}),"undefined"!=typeof WritableStream)$r.writableStream=new WritableStream({write:e=>a&&a.signal&&a.signal.aborted?($r.debug.log("worker","writableStream write() and abortController.signal.aborted is true so return"),void($r.fetchStatus=Ut)):er(Fr)?($r.debug.log("worker","writableStream write() and requestAbort is true so return"),void($r.fetchStatus=Ut)):($r.fetchStatus=Et,o(e.byteLength),void(t.isFlv?l.write(e):t.isFmp4?$r.demuxFmp4(e):t.isMpeg4?$r.demuxMpeg4(e):t.isTs&&$r.demuxTs(e))),close:()=>{$r.debug.log("worker","writableStream close()"),$r.fetchStatus=Ut,l=null,Rr(),postMessage({cmd:F,type:me,value:f,msg:"fetch done"})},abort:e=>{if(a&&a.signal&&a.signal.aborted)return $r.debug.log("worker","writableStream abort() and abortController.signal.aborted is true so return"),void($r.fetchStatus=Ut);l=null,e.name!==yt?($r.debug.log("worker",`writableStream abort() and e is ${e.toString()}`),Rr(),postMessage({cmd:F,type:Ue.fetchError,value:e.toString()})):$r.debug.log("worker","writableStream abort() and e.name is AbortError so return")}}),e.body.pipeTo($r.writableStream);else{const r=e.body.getReader(),i=()=>{r.read().then((({done:e,value:r})=>e?($r.debug.log("worker","fetchNext().then() and done is true"),$r.fetchStatus=Ut,l=null,Rr(),void postMessage({cmd:F,type:me,value:f,msg:"fetch done"})):a&&a.signal&&a.signal.aborted?($r.debug.log("worker","fetchNext().then() and abortController.signal.aborted is true so return"),void($r.fetchStatus=Ut)):er(Fr)?($r.debug.log("worker","fetchNext().then() and requestAbort is true so return"),void($r.fetchStatus=Ut)):($r.fetchStatus=Et,o(r.byteLength),t.isFlv?l.write(r):t.isFmp4?$r.demuxFmp4(r):t.isMpeg4&&$r.demuxMpeg4(r),void i()))).catch((e=>{if(a&&a.signal&&a.signal.aborted)return $r.debug.log("worker","fetchNext().catch() and abortController.signal.aborted is true so return"),void($r.fetchStatus=Ut);l=null,e.name!==yt?($r.debug.log("worker",`fetchNext().catch() and e is ${e.toString()}`),Rr(),postMessage({cmd:F,type:Ue.fetchError,value:e.toString()})):$r.debug.log("worker","fetchNext().catch() and e.name is AbortError so return")}))};i()}})).catch((e=>{a&&a.signal&&a.signal.aborted?$r.debug.log("worker","fetch().catch() and abortController.signal.aborted is true so return"):e.name!==yt?($r.debug.log("worker",`fetch().catch() and e is ${e.toString()}`),Rr(),postMessage({cmd:F,type:Ue.fetchError,value:e.toString()}),l=null):$r.debug.log("worker","fetch().catch() and e.name is AbortError so return")}))):t.protocol===c&&(t.isFlv&&(l=new dr($r.demuxFlv())),n=new WebSocket(e),n.binaryType="arraybuffer",n.onopen=()=>{$r.debug.log("worker","fetchStream, WebsocketStream  socket open"),postMessage({cmd:F,type:ve}),postMessage({cmd:F,type:Ee})},n.onclose=e=>{$r.debug.log("worker",`fetchStream, WebsocketStream socket close and code is ${e.code}`),1006===e.code&&$r.debug.error("worker",`fetchStream, WebsocketStream socket close abnormally and code is ${e.code}`),er(Fr)?$r.debug.log("worker","fetchStream, WebsocketStream socket close and requestAbort is true so return"):(l=null,postMessage({cmd:F,type:me,value:p,msg:e.code}))},n.onerror=e=>{$r.debug.error("worker","fetchStream, WebsocketStream socket error",e),l=null,postMessage({cmd:F,type:Ue.websocketError,value:e.isTrusted?"websocket user aborted":"websocket error"})},n.onmessage=e=>{o(e.data.byteLength),t.isFlv?l.write(e.data):t.isFmp4?$r.demuxFmp4(e.data):t.isMpeg4?$r.demuxMpeg4(e.data):$r._opt.isNakedFlow?$r.demuxNakedFlow(e.data):$r.demuxM7s(e.data)})},demuxFlv:function*(){yield 9;const e=new ArrayBuffer(4),t=new Uint8Array(e),r=new Uint32Array(e);for(;;){t[3]=0;const e=yield 15,i=e[4];t[0]=e[7],t[1]=e[6],t[2]=e[5];const s=r[0];t[0]=e[10],t[1]=e[9],t[2]=e[8],t[3]=e[11];let a=r[0];const n=(yield s).slice();switch(i){case ee:if(n.byteLength>0){let e=n;er($r._opt.m7sCryptoAudio)&&(e=$r.cryptoPayloadAudio(n)),$r.decode(e,{type:J,ts:a})}else $r.debug.warn("worker",`demuxFlv() type is audio and payload.byteLength is ${n.byteLength} and return`);break;case te:if(n.byteLength>=6){const e=n[0];if($r._isEnhancedH265Header(e))$r._decodeEnhancedH265Video(n,a);else{n[0];let e=n[0]>>4===wt;if(e&&Qt(n)&&null===wr){const e=15&n[0];wr=e===Be,Sr=Vt(n,wr),$r.debug.log("worker",`demuxFlv() isVideoSequenceHeader is true and isHevc is ${wr} and nalUnitSize is ${Sr}`)}e&&$r.calcIframeIntervalTimestamp(a),$r.isPlayer&&$r.calcNetworkDelay(a),r[0]=n[4],r[1]=n[3],r[2]=n[2],r[3]=0;let t=r[0],i=$r.cryptoPayload(n,e);$r.decode(i,{type:Q,ts:a,isIFrame:e,cts:t})}}else $r.debug.warn("worker",`demuxFlv() type is video and payload.byteLength is ${n.byteLength} and return`);break;case re:postMessage({cmd:V,buffer:n},[n.buffer]);break;default:$r.debug.log("worker",`demuxFlv() type is ${i}`)}}},decode:function(e,t){t.type===J?$r._opt.hasAudio&&(postMessage({cmd:F,type:ge,value:e.byteLength}),$r.isPlayer?$r.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts}):$r.isPlayback&&($r.isPlaybackOnlyDecodeIFrame()||($r.isPlaybackCacheBeforeDecodeForFpsRender(),$r.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts})))):t.type===Q&&$r._opt.hasVideo&&(postMessage({cmd:F,type:ye,value:e.byteLength}),postMessage({cmd:F,type:be,value:t.ts}),$r.isPlayer?$r.pushBuffer(e,{type:t.type,ts:t.ts,isIFrame:t.isIFrame,cts:t.cts}):$r.isPlayback&&($r.isPlaybackOnlyDecodeIFrame()?t.isIFrame&&$r.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}):($r.isPlaybackCacheBeforeDecodeForFpsRender(),$r.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}))))},cryptoPayload:function(e,t){let r=e;return $r._opt.isM7sCrypto?$r._opt.cryptoIV&&$r._opt.cryptoIV.byteLength>0&&$r._opt.cryptoKey&&$r._opt.cryptoKey.byteLength>0?r=function(e,t,r,i=!1){t=new Uint8Array(t),r=new Uint8Array(r);const s=e.byteLength;let a=5;for(;a<s;){let o=(n=e.slice(a,a+4))[3]|n[2]<<8|n[1]<<16|n[0]<<24;if(o>s)break;let d=e[a+4],l=!1;if(i?(d=d>>>1&63,l=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(d)):(d&=31,l=1===d||5===d),l){const i=e.slice(a+4+2,a+4+o);let s=new hi.ModeOfOperation.ctr(t,new hi.Counter(r));const n=s.decrypt(i);s=null,e.set(n,a+4+2)}a=a+4+o}var n;return e}(e,$r._opt.cryptoKey,$r._opt.cryptoIV,wr):$r.debug.error("worker",`isM7sCrypto cryptoKey.length is ${$r._opt.cryptoKey&&$r._opt.cryptoKey.byteLength} or cryptoIV.length is ${$r._opt.cryptoIV&&$r._opt.cryptoIV.byteLength} null`):$r._opt.isSm4Crypto?$r._opt.sm4CryptoKey&&t?r=function(e,t,r=!1){const i=e.byteLength;let s=5;for(;s<i;){let n=(a=e.slice(s,s+4))[3]|a[2]<<8|a[1]<<16|a[0]<<24;if(n>i)break;let o=e[s+4],d=!1;if(r?(o=o>>>1&63,d=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(o)):(o&=31,d=1===o||5===o),d){const r=xi(e.slice(s+4+2,s+4+n),t,0,{padding:"none",output:"array"});e.set(r,s+4+2)}s=s+4+n}var a;return e}(e,$r._opt.sm4CryptoKey):$r._opt.sm4CryptoKey||$r.debug.error("worker","isSm4Crypto opt.sm4CryptoKey is null"):$r._opt.isXorCrypto&&($r._opt.cryptoIV&&$r._opt.cryptoIV.byteLength>0&&$r._opt.cryptoKey&&$r._opt.cryptoKey.byteLength>0?r=function(e,t,r,i=!1){const s=e.byteLength;let a=5;for(;a<s;){let o=(n=e.slice(a,a+4))[3]|n[2]<<8|n[1]<<16|n[0]<<24;if(o>s)break;let d=e[a+4],l=!1;if(i?(d=d>>>1&63,l=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(d)):(d&=31,l=1===d||5===d),l){const i=ki(e.slice(a+4,a+4+o),t,r);e.set(i,a+4)}a=a+4+o}var n;return e}(e,$r._opt.cryptoKey,$r._opt.cryptoIV,wr):$r.debug.error("worker",`isXorCrypto cryptoKey.length is ${$r._opt.cryptoKey&&$r._opt.cryptoKey.byteLength} or cryptoIV.length is ${$r._opt.cryptoIV&&$r._opt.cryptoIV.byteLength} null`)),r},cryptoPayloadAudio:function(e){let t=e;if($r._opt.isM7sCrypto)if($r._opt.cryptoIV&&$r._opt.cryptoIV.byteLength>0&&$r._opt.cryptoKey&&$r._opt.cryptoKey.byteLength>0){e[0]>>4===De&&(t=function(e,t,r){if(e.byteLength<=30)return e;const i=e.slice(32);let s=new hi.ModeOfOperation.ctr(t,new hi.Counter(r));const a=s.decrypt(i);return s=null,e.set(a,32),e}(e,$r._opt.cryptoKey,$r._opt.cryptoIV))}else $r.debug.error("worker",`isM7sCrypto cryptoKey.length is ${$r._opt.cryptoKey&&$r._opt.cryptoKey.byteLength} or cryptoIV.length is ${$r._opt.cryptoIV&&$r._opt.cryptoIV.byteLength} null`);return t},setCodecAudio:function(e,t){const r=e[0]>>4,i=e[0]>>1&1;if(xr=r===De?i?16:8:0===i?8:16,Hr&&Hr.setCodecAudio)if(Ft(e)||r===Ie||r===Pe||r===Fe){$r.debug.log("worker",`setCodecAudio: init audio codec, codeId is ${r}`);const i=r===De?e.slice(2):new Uint8Array(0);Hr.setCodecAudio(r,$r._opt.sampleRate,i),r===De&&postMessage({cmd:T,buffer:i},[i.buffer]),pe=!0,r!==De&&(r===Fe?($r.mp3Demuxer||($r.mp3Demuxer=new Ci($r),$r.mp3Demuxer.on("data",((e,t)=>{Hr.decodeAudio(e,t)}))),$r.mp3Demuxer.dispatch(e.slice(1),t)):Hr.decodeAudio(e.slice(1),t))}else $r.debug.warn("worker","setCodecAudio: hasInitAudioCodec is false, codecId is ",r);else $r.debug.error("worker","setCodecAudio: audioDecoder or audioDecoder.setCodec is null")},decodeAudio:function(e,r){if($r.isDestroyed)$r.debug.log("worker","decodeAudio, decoder is destroyed and return");else if($r.isPlayUseMSEAndDecoderInWorkerAndMseDecodeAudio())Gr.decodeAudio(e,r);else if(er(t)&&er($r._opt.mseDecodeAudio))postMessage({cmd:P,payload:e,ts:r,cts:r},[e.buffer]);else{const t=e[0]>>4;if(pe){if(Ft(e))return void $r.debug.log("worker","decodeAudio and has already initialized and payload is aac codec packet so drop this frame");t===Fe?$r.mp3Demuxer.dispatch(e.slice(1),r):Hr.decodeAudio(t===De?e.slice(2):e.slice(1),r)}else $r.setCodecAudio(e,r)}},setCodecVideo:function(e){const t=15&e[0];if(Vr&&Vr.setCodec)if(Qt(e))if(t===xe||t===Be){$r.debug.log("worker",`setCodecVideo: init video codec , codecId is ${t}`);const r=e.slice(5);if(t===xe&&$r._opt.useSIMD){const e=hr(r);if(e.codecWidth>4080||e.codecHeight>4080)return postMessage({cmd:O}),void $r.debug.warn("worker",`setCodecVideo: SIMD H264 decode video width is too large, width is ${e.codecWidth}, height is ${e.codecHeight}`)}const i=new Uint8Array(e);fe=!0,Vr.setCodec(t,r),postMessage({cmd:C,code:t}),postMessage({cmd:k,buffer:i,codecId:t},[i.buffer])}else $r.debug.warn("worker",`setCodecVideo: hasInitVideoCodec is false, codecId is ${t} is not H264 or H265`);else $r.debug.warn("worker",`decodeVideo: hasInitVideoCodec is false, codecId is ${t} and frameType is ${e[0]>>4} and packetType is ${e[1]}`);else $r.debug.error("worker","setCodecVideo: videoDecoder or videoDecoder.setCodec is null")},decodeVideo:function(e,r,i,s=0){if($r.isDestroyed)$r.debug.log("worker","decodeVideo, decoder is destroyed and return");else if($r.isPlayUseMSEAndDecoderInWorker())Gr.decodeVideo(e,r,i,s);else if(er(t))postMessage({cmd:I,payload:e,isIFrame:i,ts:r,cts:s,delay:$r.delay},[e.buffer]);else if(fe)if(!ze&&i&&(ze=!0),ze){if(i&&Qt(e)){const t=15&e[0];let r={};if(t===xe){r=hr(e.slice(5))}else t===Be&&(r=Ur(e));r.codecWidth&&r.codecHeight&&y&&v&&(r.codecWidth!==y||r.codecHeight!==v)&&($r.debug.warn("worker",`\n                            decodeVideo: video width or height is changed,\n                            old width is ${y}, old height is ${v},\n                            new width is ${r.codecWidth}, new height is ${r.codecHeight},\n                            and emit change event`),or=!0,postMessage({cmd:M}))}if(or)return void $r.debug.warn("worker","decodeVideo: video width or height is changed, and return");if(cr)return void $r.debug.warn("worker","decodeVideo: simd decode error, and return");if(Qt(e))return void $r.debug.warn("worker","decodeVideo and payload is video sequence header so drop this frame");if(e.byteLength<12)return void $r.debug.warn("worker",`decodeVideo and payload is too small , payload length is ${e.byteLength}`);const t=e.slice(5);Vr.decode(t,i?1:0,r)}else $r.debug.log("worker","decodeVideo first frame is not iFrame");else $r.setCodecVideo(e)},clearBuffer:function(e=!1){$r.debug.log("worker",`clearBuffer,bufferList length is ${r.length}, need clear is ${e}`),e&&(r=[]),$r.isPlayer&&($r.resetAllDelay(),er($r._opt.checkFirstIFrame)&&($r.dropping=!0,postMessage({cmd:R}))),er($r._opt.checkFirstIFrame)&&tr(t)&&(ze=!1)},dropBuffer$2:function(){if(r.length>0){let e=r.findIndex((e=>er(e.isIFrame)&&e.type===Q));if($r.isAllIframeInBufferList())for(let t=0;t<r.length;t++){const i=r[t],s=$r.getDelayNotUpdateDelay(i.ts,i.type);if(s>=$r.getNotDroppingDelayTs()){$r.debug.log("worker",`dropBuffer$2() isAllIframeInBufferList() is true, and index is ${t} and tempDelay is ${s} and notDroppingDelayTs is ${$r.getNotDroppingDelayTs()}`),e=t;break}}if(e>=0){$r.isPushDropping=!0,postMessage({cmd:R});const t=r.length;r=r.slice(e);const i=r.shift();$r.resetAllDelay(),$r.getDelay(i.ts,i.type),$r.doDecode(i),$r.isPushDropping=!1,$r.debug.log("worker",`dropBuffer$2() iFrameIndex is ${e},and old bufferList length is ${t} ,new bufferList is ${r.length} and new delay is ${$r.delay} `)}else $r.isPushDropping=!1}0===r.length&&($r.isPushDropping=!1)},demuxM7s:function(e){const t=new DataView(e),r=t.getUint32(1,!1),i=t.getUint8(0),s=new ArrayBuffer(4),a=new Uint32Array(s);switch(i){case J:$r.decode(new Uint8Array(e,5),{type:J,ts:r});break;case Q:if(t.byteLength>=11){const i=new Uint8Array(e,5),s=i[0];if($r._isEnhancedH265Header(s))$r._decodeEnhancedH265Video(i,r);else{const e=t.getUint8(5)>>4==1;if(e&&($r.calcIframeIntervalTimestamp(r),Qt(i)&&null===wr)){const e=15&i[0];wr=e===Be}$r.isPlayer&&$r.calcNetworkDelay(r),a[0]=i[4],a[1]=i[3],a[2]=i[2],a[3]=0;let s=a[0],n=$r.cryptoPayload(i,e);$r.decode(n,{type:Q,ts:r,isIFrame:e,cts:s})}}else $r.debug.warn("worker",`demuxM7s() type is video and arrayBuffer length is ${e.byteLength} and return`)}},demuxNakedFlow:function(e){zr.dispatch(e)},demuxFmp4:function(e){const t=new Uint8Array(e);Mr.dispatch(t)},demuxMpeg4:function(e){Nr.dispatch(e)},demuxTs:function(e){Or.dispatch(e)},_decodeEnhancedH265Video:function(e,t){const r=e[0],i=48&r,s=15&r,a=e.slice(1,5),n=new ArrayBuffer(4),o=new Uint32Array(n),d="a"==String.fromCharCode(a[0]);if(wr=tr(d),s===Bt){if(i===kt){const r=e.slice(5);if(d);else{const i=new Uint8Array(5+r.length);i.set([28,0,0,0,0],0),i.set(r,5),Sr=Vt(e,wr),$r.debug.log("worker",`demuxFlv() isVideoSequenceHeader(enhancedH265) is true and isHevc is ${wr} and nalUnitSize is ${Sr}`),$r.decode(i,{type:Q,ts:t,isIFrame:!0,cts:0})}}}else if(s===Tt){let r=e,s=0;const a=i===kt;if(a&&$r.calcIframeIntervalTimestamp(t),d);else{o[0]=e[4],o[1]=e[3],o[2]=e[2],o[3]=0,s=o[0];r=Tr(e.slice(8),a),r=$r.cryptoPayload(r,a),$r.decode(r,{type:Q,ts:t,isIFrame:a,cts:s})}}else if(s===Ct){const r=i===kt;r&&$r.calcIframeIntervalTimestamp(t);let s=Tr(e.slice(5),r);s=$r.cryptoPayload(s,r),$r.decode(s,{type:Q,ts:t,isIFrame:r,cts:0})}},_isEnhancedH265Header:function(e){return!(128&~e)},findSei:function(e,t){let r=4;Yt(Sr)||(r=Sr);const i=function(e,t=4){if(e.length<4)return;const r=e.length,i=[];let s,a=0;for(;a+t<r;)if(s=$t(e,a),3===t&&(s>>>=8),a+=t,s){if(a+s>r)break;i.push(e.subarray(a,a+s)),a+=s}return i}(e.slice(5),r);i.forEach((e=>{const r=wr?e[0]>>>1&63:31&e[0];(wr&&(r===tt||r===et)||tr(wr)&&r===Oe)&&postMessage({cmd:H,buffer:e,ts:t},[e.buffer])}))},calcNetworkDelay:function(e){if(!(ze&&e>0))return;null===gt?(gt=e,vt=Wt()):e<gt&&($r.debug.warn("worker",`calcNetworkDelay, dts is ${e} less than bufferStartDts is ${gt}`),gt=e,vt=Wt());const t=e-gt,r=Wt()-vt,i=r>t?r-t:0;$r.networkDelay=i,i>$r._opt.networkDelay&&$r._opt.playType===m&&($r.debug.warn("worker",`calcNetworkDelay now dts:${e}, start dts is ${gt} vs start is ${t},local diff is ${r} ,delay is ${i}`),postMessage({cmd:F,type:Se,value:i}))},calcIframeIntervalTimestamp:function(e){null===rr?rr=e:rr<e&&(Rt=e-rr,postMessage({cmd:L,value:Rt}),rr=e)},canVisibilityDecodeNotDrop:function(){return $r._opt.visibility&&y*v<=2073600},isPlaybackCacheBeforeDecodeForFpsRender:function(){return $r.isPlayback&&$r._opt.playbackIsCacheBeforeDecodeForFpsRender},isPlaybackOnlyDecodeIFrame:function(){return $r._opt.playbackRate>=$r._opt.playbackForwardMaxRateDecodeIFrame},isPlayUseMSE:function(){return $r.isPlayer&&$r._opt.useMSE&&er(t)},isPlayUseMSEAndDecoderInWorker:function(){return $r.isPlayUseMSE()&&$r._opt.mseDecoderUseWorker},isPlayUseMSEAndDecoderInWorkerAndMseDecodeAudio:function(){return 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postMessage({cmd:E,output:a,delay:$r.delay,ts:r},[a.buffer])},pcmData:function(t,r,s){if($r.isDestroyed)return void $r.debug.log("worker","pcmData, decoder is destroyed and return");let a=r,n=[],o=0,d=$r._opt.audioBufferSize;for(let r=0;r<2;r++){let i=e.HEAPU32[(t>>2)+r]>>2;n[r]=e.HEAPF32.subarray(i,i+a)}if(zt){if(!(a>=(r=d-zt)))return zt+=a,i[0]=Float32Array.of(...i[0],...n[0]),void(2==jt&&(i[1]=Float32Array.of(...i[1],...n[1])));Dt[0]=Float32Array.of(...i[0],...n[0].subarray(0,r)),2==jt&&(Dt[1]=Float32Array.of(...i[1],...n[1].subarray(0,r))),postMessage({cmd:U,buffer:Dt,ts:s},Dt.map((e=>e.buffer))),o=r,a-=r}for(zt=a;zt>=d;zt-=d)Dt[0]=n[0].slice(o,o+=d),2==jt&&(Dt[1]=n[1].slice(o-d,o)),postMessage({cmd:U,buffer:Dt,ts:s},Dt.map((e=>e.buffer)));zt&&(i[0]=n[0].slice(o),2==jt&&(i[1]=n[1].slice(o)))},errorInfo:function(e){null===It&&(It=Wt());const t=Wt(),r=(i=Rt>0?2*Rt:5e3,s=1e3,a=5e3,Math.max(Math.min(i,Math.max(s,a)),Math.min(s,a)));var i,s,a;const n=t-It;n>r&&($r.debug.warn("worker",`errorInfo() emit simdDecodeError and\n                iframeIntervalTimestamp is ${Rt} and diff is ${n} and maxDiff is ${r}\n                and replay`),cr=!0,postMessage({cmd:N}))},sendWebsocketMessage:function(e){n?n.readyState===Ae?n.send(e):$r.debug.error("worker","socket is not open"):$r.debug.error("worker","socket is null")},timeEnd:function(){},postStreamToMain(e,t){postMessage({cmd:$,type:t,buffer:e},[e.buffer])}};$r.debug=new lr($r);let Hr=null;e.AudioDecoder&&(Hr=new e.AudioDecoder($r));let Vr=null;e.VideoDecoder&&(Vr=$r._opt.useSIMD?new e.VideoDecoderSimd($r):new e.VideoDecoder($r)),postMessage({cmd:w}),self.onmessage=function(e){let t=e.data;if(!$r.isTimeWait)switch(t.cmd){case ie:try{$r._opt=Object.assign($r._opt,JSON.parse(t.opt))}catch(e){}$r.init();break;case se:$r.pushBuffer(t.buffer,t.options);break;case ae:$r.decodeAudio(t.buffer,t.ts);break;case ne:$r.decodeVideo(t.buffer,t.ts,t.isIFrame);break;case le:$r.clearBuffer(t.needClear),$r.isTimeWait=!0,setTimeout((()=>{$r.isTimeWait=!1}),1e3);break;case ue:$r.fetchStream(t.url,JSON.parse(t.opt));break;case oe:$r.close();break;case de:$r.debug.log("worker","updateConfig",t.key,t.value),$r._opt[t.key]=t.value,"playbackRate"===t.key&&($r.playbackUpdatePlaybackRate(),$r.isPlaybackCacheBeforeDecodeForFpsRender()&&$r.playbackCacheLoop());break;case ce:$r.sendWebsocketMessage(t.message);break;case he:Gr.$video.currentTime=Number(t.message)}}}Date.now||(Date.now=function(){return(new Date).getTime()});const is=[];is.push(t({printErr:function(e){console.log("EasyPlayerPro[worker][true]",e)}})),Promise.all(is).then((e=>{rs(e[0],!0)}))}));