3 lines
131 KiB
JavaScript
3 lines
131 KiB
JavaScript
(window.webpackJsonp=window.webpackJsonp||[]).push([[2],{71:function(t,e,i){
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/*! mp4box 27-05-2019 */
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var s,r,n=(s=new Date,r=4,{setLogLevel:function(t){r=t==this.debug?1:t==this.info?2:t==this.warn?3:(this.error,4)},debug:function(t,e){void 0===console.debug&&(console.debug=console.log),r<=1&&console.debug("["+n.getDurationString(new Date-s,1e3)+"]","["+t+"]",e)},log:function(t,e){this.debug(t.msg)},info:function(t,e){r<=2&&console.info("["+n.getDurationString(new Date-s,1e3)+"]","["+t+"]",e)},warn:function(t,e){r<=3&&console.warn("["+n.getDurationString(new Date-s,1e3)+"]","["+t+"]",e)},error:function(t,e){r<=4&&console.error("["+n.getDurationString(new Date-s,1e3)+"]","["+t+"]",e)}});n.getDurationString=function(t,e){var i;function s(t,e){for(var i=(""+t).split(".");i[0].length<e;)i[0]="0"+i[0];return i.join(".")}t<0?(i=!0,t=-t):i=!1;var r=t/(e||1),n=Math.floor(r/3600);r-=3600*n;var a=Math.floor(r/60),o=1e3*(r-=60*a);return o-=1e3*(r=Math.floor(r)),o=Math.floor(o),(i?"-":"")+n+":"+s(a,2)+":"+s(r,2)+"."+s(o,3)},n.printRanges=function(t){var e=t.length;if(0<e){for(var i="",s=0;s<e;s++)0<s&&(i+=","),i+="["+n.getDurationString(t.start(s))+","+n.getDurationString(t.end(s))+"]";return i}return"(empty)"},e.Log=n;var a=function(t){if(!(t instanceof ArrayBuffer))throw"Needs an array buffer";this.buffer=t,this.dataview=new DataView(t),this.position=0};a.prototype.getPosition=function(){return this.position},a.prototype.getEndPosition=function(){return this.buffer.byteLength},a.prototype.getLength=function(){return this.buffer.byteLength},a.prototype.seek=function(t){var e=Math.max(0,Math.min(this.buffer.byteLength,t));return this.position=isNaN(e)||!isFinite(e)?0:e,!0},a.prototype.isEos=function(){return this.getPosition()>=this.getEndPosition()},a.prototype.readAnyInt=function(t,e){var i=0;if(this.position+t<=this.buffer.byteLength){switch(t){case 1:i=e?this.dataview.getInt8(this.position):this.dataview.getUint8(this.position);break;case 2:i=e?this.dataview.getInt16(this.position):this.dataview.getUint16(this.position);break;case 3:if(e)throw"No method for reading signed 24 bits values";i=this.dataview.getUint8(this.position)<<16,i|=this.dataview.getUint8(this.position)<<8,i|=this.dataview.getUint8(this.position);break;case 4:i=e?this.dataview.getInt32(this.position):this.dataview.getUint32(this.position);break;case 8:if(e)throw"No method for reading signed 64 bits values";i=this.dataview.getUint32(this.position)<<32,i|=this.dataview.getUint32(this.position);break;default:throw"readInt method not implemented for size: "+t}return this.position+=t,i}throw"Not enough bytes in buffer"},a.prototype.readUint8=function(){return this.readAnyInt(1,!1)},a.prototype.readUint16=function(){return this.readAnyInt(2,!1)},a.prototype.readUint24=function(){return this.readAnyInt(3,!1)},a.prototype.readUint32=function(){return this.readAnyInt(4,!1)},a.prototype.readUint64=function(){return this.readAnyInt(8,!1)},a.prototype.readString=function(t){if(this.position+t<=this.buffer.byteLength){for(var e="",i=0;i<t;i++)e+=String.fromCharCode(this.readUint8());return e}throw"Not enough bytes in buffer"},a.prototype.readCString=function(){for(var t=[];;){var e=this.readUint8();if(0===e)break;t.push(e)}return String.fromCharCode.apply(null,t)},a.prototype.readInt8=function(){return this.readAnyInt(1,!0)},a.prototype.readInt16=function(){return this.readAnyInt(2,!0)},a.prototype.readInt32=function(){return this.readAnyInt(4,!0)},a.prototype.readInt64=function(){return this.readAnyInt(8,!1)},a.prototype.readUint8Array=function(t){for(var e=new Uint8Array(t),i=0;i<t;i++)e[i]=this.readUint8();return e},a.prototype.readInt16Array=function(t){for(var e=new Int16Array(t),i=0;i<t;i++)e[i]=this.readInt16();return e},a.prototype.readUint16Array=function(t){for(var e=new Int16Array(t),i=0;i<t;i++)e[i]=this.readUint16();return e},a.prototype.readUint32Array=function(t){for(var e=new Uint32Array(t),i=0;i<t;i++)e[i]=this.readUint32();return e},a.prototype.readInt32Array=function(t){for(var e=new Int32Array(t),i=0;i<t;i++)e[i]=this.readInt32();return e},e.MP4BoxStream=a;var o=function(t,e,i){this._byteOffset=e||0,t instanceof ArrayBuffer?this.buffer=t:"object"==typeof t?(this.dataView=t,e&&(this._byteOffset+=e)):this.buffer=new ArrayBuffer(t||0),this.position=0,this.endianness=null==i?o.LITTLE_ENDIAN:i};o.prototype={},o.prototype.getPosition=function(){return this.position},o.prototype._realloc=function(t){if(this._dynamicSize){var e=this._byteOffset+this.position+t,i=this._buffer.byteLength;if(e<=i)e>this._byteLength&&(this._byteLength=e);else{for(i<1&&(i=1);i<e;)i*=2;var s=new ArrayBuffer(i),r=new Uint8Array(this._buffer);new Uint8Array(s,0,r.length).set(r),this.buffer=s,this._byteLength=e}}},o.prototype._trimAlloc=function(){if(this._byteLength!=this._buffer.byteLength){var t=new ArrayBuffer(this._byteLength),e=new Uint8Array(t),i=new Uint8Array(this._buffer,0,e.length);e.set(i),this.buffer=t}},o.BIG_ENDIAN=!1,o.LITTLE_ENDIAN=!0,o.prototype._byteLength=0,Object.defineProperty(o.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}}),Object.defineProperty(o.prototype,"buffer",{get:function(){return this._trimAlloc(),this._buffer},set:function(t){this._buffer=t,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._buffer.byteLength}}),Object.defineProperty(o.prototype,"byteOffset",{get:function(){return this._byteOffset},set:function(t){this._byteOffset=t,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._buffer.byteLength}}),Object.defineProperty(o.prototype,"dataView",{get:function(){return this._dataView},set:function(t){this._byteOffset=t.byteOffset,this._buffer=t.buffer,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._byteOffset+t.byteLength}}),o.prototype.seek=function(t){var e=Math.max(0,Math.min(this.byteLength,t));this.position=isNaN(e)||!isFinite(e)?0:e},o.prototype.isEof=function(){return this.position>=this._byteLength},o.prototype.mapUint8Array=function(t){this._realloc(1*t);var e=new Uint8Array(this._buffer,this.byteOffset+this.position,t);return this.position+=1*t,e},o.prototype.readInt32Array=function(t,e){t=null==t?this.byteLength-this.position/4:t;var i=new Int32Array(t);return o.memcpy(i.buffer,0,this.buffer,this.byteOffset+this.position,t*i.BYTES_PER_ELEMENT),o.arrayToNative(i,null==e?this.endianness:e),this.position+=i.byteLength,i},o.prototype.readInt16Array=function(t,e){t=null==t?this.byteLength-this.position/2:t;var i=new Int16Array(t);return o.memcpy(i.buffer,0,this.buffer,this.byteOffset+this.position,t*i.BYTES_PER_ELEMENT),o.arrayToNative(i,null==e?this.endianness:e),this.position+=i.byteLength,i},o.prototype.readInt8Array=function(t){t=null==t?this.byteLength-this.position:t;var e=new Int8Array(t);return o.memcpy(e.buffer,0,this.buffer,this.byteOffset+this.position,t*e.BYTES_PER_ELEMENT),this.position+=e.byteLength,e},o.prototype.readUint32Array=function(t,e){t=null==t?this.byteLength-this.position/4:t;var i=new Uint32Array(t);return o.memcpy(i.buffer,0,this.buffer,this.byteOffset+this.position,t*i.BYTES_PER_ELEMENT),o.arrayToNative(i,null==e?this.endianness:e),this.position+=i.byteLength,i},o.prototype.readUint16Array=function(t,e){t=null==t?this.byteLength-this.position/2:t;var i=new Uint16Array(t);return o.memcpy(i.buffer,0,this.buffer,this.byteOffset+this.position,t*i.BYTES_PER_ELEMENT),o.arrayToNative(i,null==e?this.endianness:e),this.position+=i.byteLength,i},o.prototype.readUint8Array=function(t){t=null==t?this.byteLength-this.position:t;var e=new Uint8Array(t);return o.memcpy(e.buffer,0,this.buffer,this.byteOffset+this.position,t*e.BYTES_PER_ELEMENT),this.position+=e.byteLength,e},o.prototype.readFloat64Array=function(t,e){t=null==t?this.byteLength-this.position/8:t;var i=new Float64Array(t);return o.memcpy(i.buffer,0,this.buffer,this.byteOffset+this.position,t*i.BYTES_PER_ELEMENT),o.arrayToNative(i,null==e?this.endianness:e),this.position+=i.byteLength,i},o.prototype.readFloat32Array=function(t,e){t=null==t?this.byteLength-this.position/4:t;var i=new Float32Array(t);return o.memcpy(i.buffer,0,this.buffer,this.byteOffset+this.position,t*i.BYTES_PER_ELEMENT),o.arrayToNative(i,null==e?this.endianness:e),this.position+=i.byteLength,i},o.prototype.readInt32=function(t){var e=this._dataView.getInt32(this.position,null==t?this.endianness:t);return this.position+=4,e},o.prototype.readInt16=function(t){var e=this._dataView.getInt16(this.position,null==t?this.endianness:t);return this.position+=2,e},o.prototype.readInt8=function(){var t=this._dataView.getInt8(this.position);return this.position+=1,t},o.prototype.readUint32=function(t){var e=this._dataView.getUint32(this.position,null==t?this.endianness:t);return this.position+=4,e},o.prototype.readUint16=function(t){var e=this._dataView.getUint16(this.position,null==t?this.endianness:t);return this.position+=2,e},o.prototype.readUint8=function(){var t=this._dataView.getUint8(this.position);return this.position+=1,t},o.prototype.readFloat32=function(t){var e=this._dataView.getFloat32(this.position,null==t?this.endianness:t);return this.position+=4,e},o.prototype.readFloat64=function(t){var e=this._dataView.getFloat64(this.position,null==t?this.endianness:t);return this.position+=8,e},o.endianness=0<new Int8Array(new Int16Array([1]).buffer)[0],o.memcpy=function(t,e,i,s,r){var n=new Uint8Array(t,e,r),a=new Uint8Array(i,s,r);n.set(a)},o.arrayToNative=function(t,e){return e==this.endianness?t:this.flipArrayEndianness(t)},o.nativeToEndian=function(t,e){return this.endianness==e?t:this.flipArrayEndianness(t)},o.flipArrayEndianness=function(t){for(var e=new Uint8Array(t.buffer,t.byteOffset,t.byteLength),i=0;i<t.byteLength;i+=t.BYTES_PER_ELEMENT)for(var s=i+t.BYTES_PER_ELEMENT-1,r=i;r<s;s--,r++){var n=e[r];e[r]=e[s],e[s]=n}return t},o.prototype.failurePosition=0,String.fromCharCodeUint8=function(t){for(var e=[],i=0;i<t.length;i++)e[i]=t[i];return String.fromCharCode.apply(null,e)},o.prototype.readString=function(t,e){return null==e||"ASCII"==e?String.fromCharCodeUint8.apply(null,[this.mapUint8Array(null==t?this.byteLength-this.position:t)]):new TextDecoder(e).decode(this.mapUint8Array(t))},o.prototype.readCString=function(t){var e=this.byteLength-this.position,i=new Uint8Array(this._buffer,this._byteOffset+this.position),s=e;null!=t&&(s=Math.min(t,e));for(var r=0;r<s&&0!==i[r];r++);var n=String.fromCharCodeUint8.apply(null,[this.mapUint8Array(r)]);return null!=t?this.position+=s-r:r!=e&&(this.position+=1),n};var h=Math.pow(2,32);o.prototype.readInt64=function(){return this.readInt32()*h+this.readUint32()},o.prototype.readUint64=function(){return this.readUint32()*h+this.readUint32()},o.prototype.readInt64=function(){return this.readUint32()*h+this.readUint32()},o.prototype.readUint24=function(){return(this.readUint8()<<16)+(this.readUint8()<<8)+this.readUint8()},e.DataStream=o,o.prototype.save=function(t){var e=new Blob([this.buffer]);if(!window.URL||!URL.createObjectURL)throw"DataStream.save: Can't create object URL.";var i=window.URL.createObjectURL(e),s=document.createElement("a");document.body.appendChild(s),s.setAttribute("href",i),s.setAttribute("download",t),s.setAttribute("target","_self"),s.click(),window.URL.revokeObjectURL(i)},o.prototype._dynamicSize=!0,Object.defineProperty(o.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(t){t||this._trimAlloc(),this._dynamicSize=t}}),o.prototype.shift=function(t){var e=new ArrayBuffer(this._byteLength-t),i=new Uint8Array(e),s=new Uint8Array(this._buffer,t,i.length);i.set(s),this.buffer=e,this.position-=t},o.prototype.writeInt32Array=function(t,e){if(this._realloc(4*t.length),t instanceof Int32Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapInt32Array(t.length,e);else for(var i=0;i<t.length;i++)this.writeInt32(t[i],e)},o.prototype.writeInt16Array=function(t,e){if(this._realloc(2*t.length),t instanceof Int16Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapInt16Array(t.length,e);else for(var i=0;i<t.length;i++)this.writeInt16(t[i],e)},o.prototype.writeInt8Array=function(t){if(this._realloc(1*t.length),t instanceof Int8Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapInt8Array(t.length);else for(var e=0;e<t.length;e++)this.writeInt8(t[e])},o.prototype.writeUint32Array=function(t,e){if(this._realloc(4*t.length),t instanceof Uint32Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapUint32Array(t.length,e);else for(var i=0;i<t.length;i++)this.writeUint32(t[i],e)},o.prototype.writeUint16Array=function(t,e){if(this._realloc(2*t.length),t instanceof Uint16Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapUint16Array(t.length,e);else for(var i=0;i<t.length;i++)this.writeUint16(t[i],e)},o.prototype.writeUint8Array=function(t){if(this._realloc(1*t.length),t instanceof Uint8Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapUint8Array(t.length);else for(var e=0;e<t.length;e++)this.writeUint8(t[e])},o.prototype.writeFloat64Array=function(t,e){if(this._realloc(8*t.length),t instanceof Float64Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapFloat64Array(t.length,e);else for(var i=0;i<t.length;i++)this.writeFloat64(t[i],e)},o.prototype.writeFloat32Array=function(t,e){if(this._realloc(4*t.length),t instanceof Float32Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapFloat32Array(t.length,e);else for(var i=0;i<t.length;i++)this.writeFloat32(t[i],e)},o.prototype.writeInt32=function(t,e){this._realloc(4),this._dataView.setInt32(this.position,t,null==e?this.endianness:e),this.position+=4},o.prototype.writeInt16=function(t,e){this._realloc(2),this._dataView.setInt16(this.position,t,null==e?this.endianness:e),this.position+=2},o.prototype.writeInt8=function(t){this._realloc(1),this._dataView.setInt8(this.position,t),this.position+=1},o.prototype.writeUint32=function(t,e){this._realloc(4),this._dataView.setUint32(this.position,t,null==e?this.endianness:e),this.position+=4},o.prototype.writeUint16=function(t,e){this._realloc(2),this._dataView.setUint16(this.position,t,null==e?this.endianness:e),this.position+=2},o.prototype.writeUint8=function(t){this._realloc(1),this._dataView.setUint8(this.position,t),this.position+=1},o.prototype.writeFloat32=function(t,e){this._realloc(4),this._dataView.setFloat32(this.position,t,null==e?this.endianness:e),this.position+=4},o.prototype.writeFloat64=function(t,e){this._realloc(8),this._dataView.setFloat64(this.position,t,null==e?this.endianness:e),this.position+=8},o.prototype.writeUCS2String=function(t,e,i){null==i&&(i=t.length);for(var s=0;s<t.length&&s<i;s++)this.writeUint16(t.charCodeAt(s),e);for(;s<i;s++)this.writeUint16(0)},o.prototype.writeString=function(t,e,i){var s=0;if(null==e||"ASCII"==e)if(null!=i){var r=Math.min(t.length,i);for(s=0;s<r;s++)this.writeUint8(t.charCodeAt(s));for(;s<i;s++)this.writeUint8(0)}else for(s=0;s<t.length;s++)this.writeUint8(t.charCodeAt(s));else this.writeUint8Array(new TextEncoder(e).encode(t.substring(0,i)))},o.prototype.writeCString=function(t,e){var i=0;if(null!=e){var s=Math.min(t.length,e);for(i=0;i<s;i++)this.writeUint8(t.charCodeAt(i));for(;i<e;i++)this.writeUint8(0)}else{for(i=0;i<t.length;i++)this.writeUint8(t.charCodeAt(i));this.writeUint8(0)}},o.prototype.writeStruct=function(t,e){for(var i=0;i<t.length;i+=2){var s=t[i+1];this.writeType(s,e[t[i]],e)}},o.prototype.writeType=function(t,e,i){var s;if("function"==typeof t)return t(this,e);if("object"==typeof t&&!(t instanceof Array))return t.set(this,e,i);var r=null,n="ASCII",a=this.position;switch("string"==typeof t&&/:/.test(t)&&(t=(s=t.split(":"))[0],r=parseInt(s[1])),"string"==typeof t&&/,/.test(t)&&(t=(s=t.split(","))[0],n=parseInt(s[1])),t){case"uint8":this.writeUint8(e);break;case"int8":this.writeInt8(e);break;case"uint16":this.writeUint16(e,this.endianness);break;case"int16":this.writeInt16(e,this.endianness);break;case"uint32":this.writeUint32(e,this.endianness);break;case"int32":this.writeInt32(e,this.endianness);break;case"float32":this.writeFloat32(e,this.endianness);break;case"float64":this.writeFloat64(e,this.endianness);break;case"uint16be":this.writeUint16(e,o.BIG_ENDIAN);break;case"int16be":this.writeInt16(e,o.BIG_ENDIAN);break;case"uint32be":this.writeUint32(e,o.BIG_ENDIAN);break;case"int32be":this.writeInt32(e,o.BIG_ENDIAN);break;case"float32be":this.writeFloat32(e,o.BIG_ENDIAN);break;case"float64be":this.writeFloat64(e,o.BIG_ENDIAN);break;case"uint16le":this.writeUint16(e,o.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(e,o.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(e,o.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(e,o.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(e,o.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(e,o.LITTLE_ENDIAN);break;case"cstring":this.writeCString(e,r);break;case"string":this.writeString(e,n,r);break;case"u16string":this.writeUCS2String(e,this.endianness,r);break;case"u16stringle":this.writeUCS2String(e,o.LITTLE_ENDIAN,r);break;case"u16stringbe":this.writeUCS2String(e,o.BIG_ENDIAN,r);break;default:if(3==t.length){for(var h=t[1],d=0;d<e.length;d++)this.writeType(h,e[d]);break}this.writeStruct(t,e)}null!=r&&(this.position=a,this._realloc(r),this.position=a+r)},o.prototype.writeUint64=function(t){var e=Math.floor(t/h);this.writeUint32(e),this.writeUint32(4294967295&t)},o.prototype.writeUint24=function(t){this.writeUint8((16711680&t)>>16),this.writeUint8((65280&t)>>8),this.writeUint8(255&t)},o.prototype.adjustUint32=function(t,e){var i=this.position;this.seek(t),this.writeUint32(e),this.seek(i)},o.prototype.mapInt32Array=function(t,e){this._realloc(4*t);var i=new Int32Array(this._buffer,this.byteOffset+this.position,t);return o.arrayToNative(i,null==e?this.endianness:e),this.position+=4*t,i},o.prototype.mapInt16Array=function(t,e){this._realloc(2*t);var i=new Int16Array(this._buffer,this.byteOffset+this.position,t);return o.arrayToNative(i,null==e?this.endianness:e),this.position+=2*t,i},o.prototype.mapInt8Array=function(t){this._realloc(1*t);var e=new Int8Array(this._buffer,this.byteOffset+this.position,t);return this.position+=1*t,e},o.prototype.mapUint32Array=function(t,e){this._realloc(4*t);var i=new Uint32Array(this._buffer,this.byteOffset+this.position,t);return o.arrayToNative(i,null==e?this.endianness:e),this.position+=4*t,i},o.prototype.mapUint16Array=function(t,e){this._realloc(2*t);var i=new Uint16Array(this._buffer,this.byteOffset+this.position,t);return o.arrayToNative(i,null==e?this.endianness:e),this.position+=2*t,i},o.prototype.mapFloat64Array=function(t,e){this._realloc(8*t);var i=new Float64Array(this._buffer,this.byteOffset+this.position,t);return o.arrayToNative(i,null==e?this.endianness:e),this.position+=8*t,i},o.prototype.mapFloat32Array=function(t,e){this._realloc(4*t);var i=new Float32Array(this._buffer,this.byteOffset+this.position,t);return o.arrayToNative(i,null==e?this.endianness:e),this.position+=4*t,i};var d=function(t){this.buffers=[],this.bufferIndex=-1,t&&(this.insertBuffer(t),this.bufferIndex=0)};(d.prototype=new o(new ArrayBuffer,0,o.BIG_ENDIAN)).initialized=function(){var t;return-1<this.bufferIndex||(0<this.buffers.length?0===(t=this.buffers[0]).fileStart?(this.buffer=t,this.bufferIndex=0,n.debug("MultiBufferStream","Stream ready for parsing"),!0):(n.warn("MultiBufferStream","The first buffer should have a fileStart of 0"),this.logBufferLevel(),!1):(n.warn("MultiBufferStream","No buffer to start parsing from"),this.logBufferLevel(),!1))},ArrayBuffer.concat=function(t,e){n.debug("ArrayBuffer","Trying to create a new buffer of size: "+(t.byteLength+e.byteLength));var i=new Uint8Array(t.byteLength+e.byteLength);return i.set(new Uint8Array(t),0),i.set(new Uint8Array(e),t.byteLength),i.buffer},d.prototype.reduceBuffer=function(t,e,i){var s;return(s=new Uint8Array(i)).set(new Uint8Array(t,e,i)),s.buffer.fileStart=t.fileStart+e,s.buffer.usedBytes=0,s.buffer},d.prototype.insertBuffer=function(t){for(var e=!0,i=0;i<this.buffers.length;i++){var s=this.buffers[i];if(t.fileStart<=s.fileStart){if(t.fileStart===s.fileStart){if(t.byteLength>s.byteLength){this.buffers.splice(i,1),i--;continue}n.warn("MultiBufferStream","Buffer (fileStart: "+t.fileStart+" - Length: "+t.byteLength+") already appended, ignoring")}else t.fileStart+t.byteLength<=s.fileStart||(t=this.reduceBuffer(t,0,s.fileStart-t.fileStart)),n.debug("MultiBufferStream","Appending new buffer (fileStart: "+t.fileStart+" - Length: "+t.byteLength+")"),this.buffers.splice(i,0,t),0===i&&(this.buffer=t);e=!1;break}if(t.fileStart<s.fileStart+s.byteLength){var r=s.fileStart+s.byteLength-t.fileStart,a=t.byteLength-r;if(!(0<a)){e=!1;break}t=this.reduceBuffer(t,r,a)}}e&&(n.debug("MultiBufferStream","Appending new buffer (fileStart: "+t.fileStart+" - Length: "+t.byteLength+")"),this.buffers.push(t),0===i&&(this.buffer=t))},d.prototype.logBufferLevel=function(t){var e,i,s,r,a,o=[],h="";for(e=r=s=0;e<this.buffers.length;e++)i=this.buffers[e],0===e?(a={},o.push(a),a.start=i.fileStart,a.end=i.fileStart+i.byteLength,h+="["+a.start+"-"):a.end===i.fileStart?a.end=i.fileStart+i.byteLength:((a={}).start=i.fileStart,h+=o[o.length-1].end-1+"], ["+a.start+"-",a.end=i.fileStart+i.byteLength,o.push(a)),s+=i.usedBytes,r+=i.byteLength;0<o.length&&(h+=a.end-1+"]");var d=t?n.info:n.debug;0===this.buffers.length?d("MultiBufferStream","No more buffer in memory"):d("MultiBufferStream",this.buffers.length+" stored buffer(s) ("+s+"/"+r+" bytes): "+h)},d.prototype.cleanBuffers=function(){var t,e;for(t=0;t<this.buffers.length;t++)(e=this.buffers[t]).usedBytes===e.byteLength&&(n.debug("MultiBufferStream","Removing buffer #"+t),this.buffers.splice(t,1),t--)},d.prototype.mergeNextBuffer=function(){var t;if(this.bufferIndex+1<this.buffers.length){if((t=this.buffers[this.bufferIndex+1]).fileStart!==this.buffer.fileStart+this.buffer.byteLength)return!1;var e=this.buffer.byteLength,i=this.buffer.usedBytes,s=this.buffer.fileStart;return this.buffers[this.bufferIndex]=ArrayBuffer.concat(this.buffer,t),this.buffer=this.buffers[this.bufferIndex],this.buffers.splice(this.bufferIndex+1,1),this.buffer.usedBytes=i,this.buffer.fileStart=s,n.debug("ISOFile","Concatenating buffer for box parsing (length: "+e+"->"+this.buffer.byteLength+")"),!0}return!1},d.prototype.findPosition=function(t,e,i){var s,r=null,a=-1;for(s=!0===t?0:this.bufferIndex;s<this.buffers.length&&(r=this.buffers[s]).fileStart<=e;)a=s,i&&(r.fileStart+r.byteLength<=e?r.usedBytes=r.byteLength:r.usedBytes=e-r.fileStart,this.logBufferLevel()),s++;return-1!==a&&(r=this.buffers[a]).fileStart+r.byteLength>=e?(n.debug("MultiBufferStream","Found position in existing buffer #"+a),a):-1},d.prototype.findEndContiguousBuf=function(t){var e,i,s,r=void 0!==t?t:this.bufferIndex;if(i=this.buffers[r],this.buffers.length>r+1)for(e=r+1;e<this.buffers.length&&(s=this.buffers[e]).fileStart===i.fileStart+i.byteLength;e++)i=s;return i.fileStart+i.byteLength},d.prototype.getEndFilePositionAfter=function(t){var e=this.findPosition(!0,t,!1);return-1!==e?this.findEndContiguousBuf(e):t},d.prototype.addUsedBytes=function(t){this.buffer.usedBytes+=t,this.logBufferLevel()},d.prototype.setAllUsedBytes=function(){this.buffer.usedBytes=this.buffer.byteLength,this.logBufferLevel()},d.prototype.seek=function(t,e,i){var s;return-1!==(s=this.findPosition(e,t,i))?(this.buffer=this.buffers[s],this.bufferIndex=s,this.position=t-this.buffer.fileStart,n.debug("MultiBufferStream","Repositioning parser at buffer position: "+this.position),!0):(n.debug("MultiBufferStream","Position "+t+" not found in buffered data"),!1)},d.prototype.getPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.position},d.prototype.getLength=function(){return this.byteLength},d.prototype.getEndPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.byteLength},e.MultiBufferStream=d;var p=function(){var t=[];t[3]="ES_Descriptor",t[4]="DecoderConfigDescriptor",t[5]="DecoderSpecificInfo",t[6]="SLConfigDescriptor",this.getDescriptorName=function(e){return t[e]};var e=this,i={};return this.parseOneDescriptor=function(e){var s,r,a,o=0;for(s=e.readUint8(),a=e.readUint8();128&a;)o=(127&a)<<7,a=e.readUint8();return o+=127&a,n.debug("MPEG4DescriptorParser","Found "+(t[s]||"Descriptor "+s)+", size "+o+" at position "+e.getPosition()),(r=t[s]?new i[t[s]](o):new i.Descriptor(o)).parse(e),r},i.Descriptor=function(t,e){this.tag=t,this.size=e,this.descs=[]},i.Descriptor.prototype.parse=function(t){this.data=t.readUint8Array(this.size)},i.Descriptor.prototype.findDescriptor=function(t){for(var e=0;e<this.descs.length;e++)if(this.descs[e].tag==t)return this.descs[e];return null},i.Descriptor.prototype.parseRemainingDescriptors=function(t){for(var i=t.position;t.position<i+this.size;){var s=e.parseOneDescriptor(t);this.descs.push(s)}},i.ES_Descriptor=function(t){i.Descriptor.call(this,3,t)},i.ES_Descriptor.prototype=new i.Descriptor,i.ES_Descriptor.prototype.parse=function(t){if(this.ES_ID=t.readUint16(),this.flags=t.readUint8(),this.size-=3,128&this.flags?(this.dependsOn_ES_ID=t.readUint16(),this.size-=2):this.dependsOn_ES_ID=0,64&this.flags){var e=t.readUint8();this.URL=t.readString(e),this.size-=e+1}else this.URL="";32&this.flags?(this.OCR_ES_ID=t.readUint16(),this.size-=2):this.OCR_ES_ID=0,this.parseRemainingDescriptors(t)},i.ES_Descriptor.prototype.getOTI=function(t){var e=this.findDescriptor(4);return e?e.oti:0},i.ES_Descriptor.prototype.getAudioConfig=function(t){var e=this.findDescriptor(4);if(!e)return null;var i=e.findDescriptor(5);if(i&&i.data){var s=(248&i.data[0])>>3;return 31===s&&2<=i.data.length&&(s=32+((7&i.data[0])<<3)+((224&i.data[1])>>5)),s}return null},i.DecoderConfigDescriptor=function(t){i.Descriptor.call(this,4,t)},i.DecoderConfigDescriptor.prototype=new i.Descriptor,i.DecoderConfigDescriptor.prototype.parse=function(t){this.oti=t.readUint8(),this.streamType=t.readUint8(),this.bufferSize=t.readUint24(),this.maxBitrate=t.readUint32(),this.avgBitrate=t.readUint32(),this.size-=13,this.parseRemainingDescriptors(t)},i.DecoderSpecificInfo=function(t){i.Descriptor.call(this,5,t)},i.DecoderSpecificInfo.prototype=new i.Descriptor,i.SLConfigDescriptor=function(t){i.Descriptor.call(this,6,t)},i.SLConfigDescriptor.prototype=new i.Descriptor,this};e.MPEG4DescriptorParser=p;var l={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"]],boxCodes:[],fullBoxCodes:[],containerBoxCodes:[],sampleEntryCodes:{},sampleGroupEntryCodes:[],trackGroupTypes:[],UUIDBoxes:{},UUIDs:[],initialize:function(){l.FullBox.prototype=new l.Box,l.ContainerBox.prototype=new l.Box,l.SampleEntry.prototype=new l.Box,l.TrackGroupTypeBox.prototype=new l.FullBox,l.BASIC_BOXES.forEach((function(t){l.createBoxCtor(t)})),l.FULL_BOXES.forEach((function(t){l.createFullBoxCtor(t)})),l.CONTAINER_BOXES.forEach((function(t){l.createContainerBoxCtor(t[0],null,t[1])}))},Box:function(t,e,i){this.type=t,this.size=e,this.uuid=i},FullBox:function(t,e,i){l.Box.call(this,t,e,i),this.flags=0,this.version=0},ContainerBox:function(t,e,i){l.Box.call(this,t,e,i),this.boxes=[]},SampleEntry:function(t,e,i,s){l.ContainerBox.call(this,t,e),this.hdr_size=i,this.start=s},SampleGroupEntry:function(t){this.grouping_type=t},TrackGroupTypeBox:function(t,e){l.FullBox.call(this,t,e)},createBoxCtor:function(t,e){l.boxCodes.push(t),l[t+"Box"]=function(e){l.Box.call(this,t,e)},l[t+"Box"].prototype=new l.Box,e&&(l[t+"Box"].prototype.parse=e)},createFullBoxCtor:function(t,e){l[t+"Box"]=function(e){l.FullBox.call(this,t,e)},l[t+"Box"].prototype=new l.FullBox,l[t+"Box"].prototype.parse=function(t){this.parseFullHeader(t),e&&e.call(this,t)}},addSubBoxArrays:function(t){if(t)for(var e=(this.subBoxNames=t).length,i=0;i<e;i++)this[t[i]+"s"]=[]},createContainerBoxCtor:function(t,e,i){l[t+"Box"]=function(e){l.ContainerBox.call(this,t,e),l.addSubBoxArrays.call(this,i)},l[t+"Box"].prototype=new l.ContainerBox,e&&(l[t+"Box"].prototype.parse=e)},createMediaSampleEntryCtor:function(t,e,i){l.sampleEntryCodes[t]=[],l[t+"SampleEntry"]=function(t,e){l.SampleEntry.call(this,t,e),l.addSubBoxArrays.call(this,i)},l[t+"SampleEntry"].prototype=new l.SampleEntry,e&&(l[t+"SampleEntry"].prototype.parse=e)},createSampleEntryCtor:function(t,e,i,s){l.sampleEntryCodes[t].push(e),l[e+"SampleEntry"]=function(i){l[t+"SampleEntry"].call(this,e,i),l.addSubBoxArrays.call(this,s)},l[e+"SampleEntry"].prototype=new l[t+"SampleEntry"],i&&(l[e+"SampleEntry"].prototype.parse=i)},createEncryptedSampleEntryCtor:function(t,e,i){l.createSampleEntryCtor.call(this,t,e,i,["sinf"])},createSampleGroupCtor:function(t,e){l[t+"SampleGroupEntry"]=function(e){l.SampleGroupEntry.call(this,t,e)},l[t+"SampleGroupEntry"].prototype=new l.SampleGroupEntry,e&&(l[t+"SampleGroupEntry"].prototype.parse=e)},createTrackGroupCtor:function(t,e){l[t+"TrackGroupTypeBox"]=function(e){l.TrackGroupTypeBox.call(this,t,e)},l[t+"TrackGroupTypeBox"].prototype=new l.TrackGroupTypeBox,e&&(l[t+"TrackGroupTypeBox"].prototype.parse=e)},createUUIDBox:function(t,e,i,s){l.UUIDs.push(t),l.UUIDBoxes[t]=function(s){e?l.FullBox.call(this,"uuid",s,t):i?l.ContainerBox.call(this,"uuid",s,t):l.Box.call(this,"uuid",s,t)},l.UUIDBoxes[t].prototype=e?new l.FullBox:i?new l.ContainerBox:new l.Box,s&&(l.UUIDBoxes[t].prototype.parse=e?function(t){this.parseFullHeader(t),s&&s.call(this,t)}:s)}};l.initialize(),l.TKHD_FLAG_ENABLED=1,l.TKHD_FLAG_IN_MOVIE=2,l.TKHD_FLAG_IN_PREVIEW=4,l.TFHD_FLAG_BASE_DATA_OFFSET=1,l.TFHD_FLAG_SAMPLE_DESC=2,l.TFHD_FLAG_SAMPLE_DUR=8,l.TFHD_FLAG_SAMPLE_SIZE=16,l.TFHD_FLAG_SAMPLE_FLAGS=32,l.TFHD_FLAG_DUR_EMPTY=65536,l.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072,l.TRUN_FLAGS_DATA_OFFSET=1,l.TRUN_FLAGS_FIRST_FLAG=4,l.TRUN_FLAGS_DURATION=256,l.TRUN_FLAGS_SIZE=512,l.TRUN_FLAGS_FLAGS=1024,l.TRUN_FLAGS_CTS_OFFSET=2048,l.Box.prototype.add=function(t){return this.addBox(new l[t+"Box"])},l.Box.prototype.addBox=function(t){return this.boxes.push(t),this[t.type+"s"]?this[t.type+"s"].push(t):this[t.type]=t,t},l.Box.prototype.set=function(t,e){return this[t]=e,this},l.Box.prototype.addEntry=function(t,e){var i=e||"entries";return this[i]||(this[i]=[]),this[i].push(t),this},e.BoxParser=l,l.parseUUID=function(t){return l.parseHex16(t)},l.parseHex16=function(t){for(var e="",i=0;i<16;i++){var s=t.readUint8().toString(16);e+=1===s.length?"0"+s:s}return e},l.parseOneBox=function(t,e,i){var s,r,a,o=t.getPosition(),h=0;if(t.getEndPosition()-o<8)return n.debug("BoxParser","Not enough data in stream to parse the type and size of the box"),{code:l.ERR_NOT_ENOUGH_DATA};if(i&&i<8)return n.debug("BoxParser","Not enough bytes left in the parent box to parse a new box"),{code:l.ERR_NOT_ENOUGH_DATA};var d=t.readUint32(),p=t.readString(4),f=p;if(n.debug("BoxParser","Found box of type '"+p+"' and size "+d+" at position "+o),h=8,"uuid"==p){if(t.getEndPosition()-t.getPosition()<16||i-h<16)return t.seek(o),n.debug("BoxParser","Not enough bytes left in the parent box to parse a UUID box"),{code:l.ERR_NOT_ENOUGH_DATA};h+=16,f=a=l.parseUUID(t)}if(1==d){if(t.getEndPosition()-t.getPosition()<8||i&&i-h<8)return t.seek(o),n.warn("BoxParser",'Not enough data in stream to parse the extended size of the "'+p+'" box'),{code:l.ERR_NOT_ENOUGH_DATA};d=t.readUint64(),h+=8}else if(0===d)if(i)d=i;else if("mdat"!==p)return n.error("BoxParser","Unlimited box size not supported for type: '"+p+"'"),s=new l.Box(p,d),{code:l.OK,box:s,size:s.size};return d<h?(n.error("BoxParser","Box of type "+p+" has an invalid size "+d+" (too small to be a box)"),{code:l.ERR_NOT_ENOUGH_DATA,type:p,size:d,hdr_size:h,start:o}):i&&i<d?(n.error("BoxParser","Box of type '"+p+"' has a size "+d+" greater than its container size "+i),{code:l.ERR_NOT_ENOUGH_DATA,type:p,size:d,hdr_size:h,start:o}):o+d>t.getEndPosition()?(t.seek(o),n.info("BoxParser","Not enough data in stream to parse the entire '"+p+"' box"),{code:l.ERR_NOT_ENOUGH_DATA,type:p,size:d,hdr_size:h,start:o}):e?{code:l.OK,type:p,size:d,hdr_size:h,start:o}:(l[p+"Box"]?s=new l[p+"Box"](d):"uuid"!==p?(n.warn("BoxParser","Unknown box type: '"+p+"'"),(s=new l.Box(p,d)).has_unparsed_data=!0):l.UUIDBoxes[a]?s=new l.UUIDBoxes[a](d):(n.warn("BoxParser","Unknown uuid type: '"+a+"'"),(s=new l.Box(p,d)).uuid=a,s.has_unparsed_data=!0),s.hdr_size=h,s.start=o,s.write===l.Box.prototype.write&&"mdat"!==s.type&&(n.info("BoxParser","'"+f+"' box writing not yet implemented, keeping unparsed data in memory for later write"),s.parseDataAndRewind(t)),s.parse(t),(r=t.getPosition()-(s.start+s.size))<0?(n.warn("BoxParser","Parsing of box '"+f+"' did not read the entire indicated box data size (missing "+-r+" bytes), seeking forward"),t.seek(s.start+s.size)):0<r&&(n.error("BoxParser","Parsing of box '"+f+"' read "+r+" more bytes than the indicated box data size, seeking backwards"),t.seek(s.start+s.size)),{code:l.OK,box:s,size:s.size})},l.Box.prototype.parse=function(t){"mdat"!=this.type?this.data=t.readUint8Array(this.size-this.hdr_size):0===this.size?t.seek(t.getEndPosition()):t.seek(this.start+this.size)},l.Box.prototype.parseDataAndRewind=function(t){this.data=t.readUint8Array(this.size-this.hdr_size),t.position-=this.size-this.hdr_size},l.FullBox.prototype.parseDataAndRewind=function(t){this.parseFullHeader(t),this.data=t.readUint8Array(this.size-this.hdr_size),this.hdr_size-=4,t.position-=this.size-this.hdr_size},l.FullBox.prototype.parseFullHeader=function(t){this.version=t.readUint8(),this.flags=t.readUint24(),this.hdr_size+=4},l.FullBox.prototype.parse=function(t){this.parseFullHeader(t),this.data=t.readUint8Array(this.size-this.hdr_size)},l.ContainerBox.prototype.parse=function(t){for(var e,i;t.getPosition()<this.start+this.size;){if((e=l.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==l.OK)return;if(i=e.box,this.boxes.push(i),this.subBoxNames&&-1!=this.subBoxNames.indexOf(i.type))this[this.subBoxNames[this.subBoxNames.indexOf(i.type)]+"s"].push(i);else{var s="uuid"!==i.type?i.type:i.uuid;this[s]?n.warn("Box of type "+s+" already stored in field of this type"):this[s]=i}}},l.Box.prototype.parseLanguage=function(t){this.language=t.readUint16();var e=[];e[0]=this.language>>10&31,e[1]=this.language>>5&31,e[2]=31&this.language,this.languageString=String.fromCharCode(e[0]+96,e[1]+96,e[2]+96)},l.SAMPLE_ENTRY_TYPE_VISUAL="Visual",l.SAMPLE_ENTRY_TYPE_AUDIO="Audio",l.SAMPLE_ENTRY_TYPE_HINT="Hint",l.SAMPLE_ENTRY_TYPE_METADATA="Metadata",l.SAMPLE_ENTRY_TYPE_SUBTITLE="Subtitle",l.SAMPLE_ENTRY_TYPE_SYSTEM="System",l.SAMPLE_ENTRY_TYPE_TEXT="Text",l.SampleEntry.prototype.parseHeader=function(t){t.readUint8Array(6),this.data_reference_index=t.readUint16(),this.hdr_size+=8},l.SampleEntry.prototype.parse=function(t){this.parseHeader(t),this.data=t.readUint8Array(this.size-this.hdr_size)},l.SampleEntry.prototype.parseDataAndRewind=function(t){this.parseHeader(t),this.data=t.readUint8Array(this.size-this.hdr_size),this.hdr_size-=8,t.position-=this.size-this.hdr_size},l.SampleEntry.prototype.parseFooter=function(t){l.ContainerBox.prototype.parse.call(this,t)},l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_HINT),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_METADATA),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SUBTITLE),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SYSTEM),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_TEXT),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,(function(t){this.parseHeader(t),t.readUint16(),t.readUint16(),t.readUint32Array(3),this.width=t.readUint16(),this.height=t.readUint16(),this.horizresolution=t.readUint32(),this.vertresolution=t.readUint32(),t.readUint32(),this.frame_count=t.readUint16(),compressorname_length=Math.min(31,t.readUint8()),this.compressorname=t.readString(compressorname_length),compressorname_length<31&&t.readString(31-compressorname_length),this.depth=t.readUint16(),t.readUint16(),this.parseFooter(t)})),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,(function(t){this.parseHeader(t),t.readUint32Array(2),this.channel_count=t.readUint16(),this.samplesize=t.readUint16(),t.readUint16(),t.readUint16(),this.samplerate=t.readUint32()/65536,this.parseFooter(t)})),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"avc1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"avc2"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"avc3"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"avc4"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"av01"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"hvc1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"hev1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"mp4a"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"ac-3"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"ec-3"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"encv"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"enca"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SUBTITLE,"encu"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SYSTEM,"encs"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_TEXT,"enct"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_METADATA,"encm"),l.createBoxCtor("av1C",(function(t){var e=t.readUint8();if(e>>7&!1)n.error("av1C marker problem");else if(this.version=127&e,1===this.version)if(e=t.readUint8(),this.seq_profile=e>>5&7,this.seq_level_idx_0=31&e,e=t.readUint8(),this.seq_tier_0=e>>7&1,this.high_bitdepth=e>>6&1,this.twelve_bit=e>>5&1,this.monochrome=e>>4&1,this.chroma_subsampling_x=e>>3&1,this.chroma_subsampling_y=e>>2&1,this.chroma_sample_position=3&e,e=t.readUint8(),this.reserved_1=e>>5&7,0===this.reserved_1){if(this.initial_presentation_delay_present=e>>4&1,1===this.initial_presentation_delay_present)this.initial_presentation_delay_minus_one=15&e;else if(this.reserved_2=15&e,0!==this.reserved_2)return void n.error("av1C reserved_2 parsing problem");var i=this.size-this.hdr_size-4;this.configOBUs=t.readUint8Array(i)}else n.error("av1C reserved_1 parsing problem");else n.error("av1C version "+this.version+" not supported")})),l.createBoxCtor("avcC",(function(t){var e,i;for(this.configurationVersion=t.readUint8(),this.AVCProfileIndication=t.readUint8(),this.profile_compatibility=t.readUint8(),this.AVCLevelIndication=t.readUint8(),this.lengthSizeMinusOne=3&t.readUint8(),this.nb_SPS_nalus=31&t.readUint8(),i=this.size-this.hdr_size-6,this.SPS=[],e=0;e<this.nb_SPS_nalus;e++)this.SPS[e]={},this.SPS[e].length=t.readUint16(),this.SPS[e].nalu=t.readUint8Array(this.SPS[e].length),i-=2+this.SPS[e].length;for(this.nb_PPS_nalus=t.readUint8(),i--,this.PPS=[],e=0;e<this.nb_PPS_nalus;e++)this.PPS[e]={},this.PPS[e].length=t.readUint16(),this.PPS[e].nalu=t.readUint8Array(this.PPS[e].length),i-=2+this.PPS[e].length;0<i&&(this.ext=t.readUint8Array(i))})),l.createBoxCtor("btrt",(function(t){this.bufferSizeDB=t.readUint32(),this.maxBitrate=t.readUint32(),this.avgBitrate=t.readUint32()})),l.createBoxCtor("clap",(function(t){this.cleanApertureWidthN=t.readUint32(),this.cleanApertureWidthD=t.readUint32(),this.cleanApertureHeightN=t.readUint32(),this.cleanApertureHeightD=t.readUint32(),this.horizOffN=t.readUint32(),this.horizOffD=t.readUint32(),this.vertOffN=t.readUint32(),this.vertOffD=t.readUint32()})),l.createBoxCtor("clli",(function(t){this.max_content_light_level=t.readUint16(),this.max_pic_average_light_level=t.readUint16()})),l.createFullBoxCtor("co64",(function(t){var e,i;if(e=t.readUint32(),this.chunk_offsets=[],0===this.version)for(i=0;i<e;i++)this.chunk_offsets.push(t.readUint64())})),l.createFullBoxCtor("CoLL",(function(t){this.maxCLL=t.readUint16(),this.maxFALL=t.readUint16()})),l.createBoxCtor("colr",(function(t){if(this.colour_type=t.readString(4),"nclx"===this.colour_type){this.colour_primaries=t.readUint16(),this.transfer_characteristics=t.readUint16(),this.matrix_coefficients=t.readUint16();var e=t.readUint8();this.full_range_flag=e>>7}else("rICC"===this.colour_type||"prof"===this.colour_type)&&(this.ICC_profile=t.readUint8Array(this.size-4))})),l.createFullBoxCtor("cprt",(function(t){this.parseLanguage(t),this.notice=t.readCString()})),l.createFullBoxCtor("cslg",(function(t){0===this.version&&(this.compositionToDTSShift=t.readInt32(),this.leastDecodeToDisplayDelta=t.readInt32(),this.greatestDecodeToDisplayDelta=t.readInt32(),this.compositionStartTime=t.readInt32(),this.compositionEndTime=t.readInt32())})),l.createFullBoxCtor("ctts",(function(t){var e,i;if(e=t.readUint32(),this.sample_counts=[],this.sample_offsets=[],0===this.version)for(i=0;i<e;i++){this.sample_counts.push(t.readUint32());var s=t.readInt32();s<0&&n.warn("BoxParser","ctts box uses negative values without using version 1"),this.sample_offsets.push(s)}else if(1==this.version)for(i=0;i<e;i++)this.sample_counts.push(t.readUint32()),this.sample_offsets.push(t.readInt32())})),l.createBoxCtor("dac3",(function(t){var e=t.readUint8(),i=t.readUint8(),s=t.readUint8();this.fscod=e>>6,this.bsid=e>>1&31,this.bsmod=(1&e)<<2|i>>6&3,this.acmod=i>>3&7,this.lfeon=i>>2&1,this.bit_rate_code=3&i|s>>5&7})),l.createBoxCtor("dec3",(function(t){var e=t.readUint16();this.data_rate=e>>3,this.num_ind_sub=7&e,this.ind_subs=[];for(var i=0;i<this.num_ind_sub+1;i++){var s={};this.ind_subs.push(s);var r=t.readUint8(),n=t.readUint8(),a=t.readUint8();s.fscod=r>>6,s.bsid=r>>1&31,s.bsmod=(1&r)<<4|n>>4&15,s.acmod=n>>1&7,s.lfeon=1&n,s.num_dep_sub=a>>1&15,0<s.num_dep_sub&&(s.chan_loc=(1&a)<<8|t.readUint8())}})),l.createFullBoxCtor("dfLa",(function(t){var e=[],i=["STREAMINFO","PADDING","APPLICATION","SEEKTABLE","VORBIS_COMMENT","CUESHEET","PICTURE","RESERVED"];for(this.parseFullHeader(t);;){var s=t.readUint8(),r=Math.min(127&s,i.length-1);if(r?t.readUint8Array(t.readUint24()):(t.readUint8Array(13),this.samplerate=t.readUint32()>>12,t.readUint8Array(20)),e.push(i[r]),128&s)break}this.numMetadataBlocks=e.length+" ("+e.join(", ")+")"})),l.createBoxCtor("dimm",(function(t){this.bytessent=t.readUint64()})),l.createBoxCtor("dmax",(function(t){this.time=t.readUint32()})),l.createBoxCtor("dmed",(function(t){this.bytessent=t.readUint64()})),l.createFullBoxCtor("dref",(function(t){var e,i;this.entries=[];for(var s=t.readUint32(),r=0;r<s;r++){if((e=l.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==l.OK)return;i=e.box,this.entries.push(i)}})),l.createBoxCtor("drep",(function(t){this.bytessent=t.readUint64()})),l.createFullBoxCtor("elng",(function(t){this.extended_language=t.readString(this.size-this.hdr_size)})),l.createFullBoxCtor("elst",(function(t){this.entries=[];for(var e=t.readUint32(),i=0;i<e;i++){var s={};this.entries.push(s),1===this.version?(s.segment_duration=t.readUint64(),s.media_time=t.readInt64()):(s.segment_duration=t.readUint32(),s.media_time=t.readInt32()),s.media_rate_integer=t.readInt16(),s.media_rate_fraction=t.readInt16()}})),l.createFullBoxCtor("emsg",(function(t){this.scheme_id_uri=t.readCString(),this.value=t.readCString(),this.timescale=t.readUint32(),this.presentation_time_delta=t.readUint32(),this.event_duration=t.readUint32(),this.id=t.readUint32();var e=this.size-this.hdr_size-(16+(this.scheme_id_uri.length+1)+(this.value.length+1));this.message_data=t.readUint8Array(e)})),l.createFullBoxCtor("esds",(function(t){var e=t.readUint8Array(this.size-this.hdr_size);if(void 0!==p){var i=new p;this.esd=i.parseOneDescriptor(new o(e.buffer,0,o.BIG_ENDIAN))}})),l.createBoxCtor("fiel",(function(t){this.fieldCount=t.readUint8(),this.fieldOrdering=t.readUint8()})),l.createBoxCtor("frma",(function(t){this.data_format=t.readString(4)})),l.createBoxCtor("ftyp",(function(t){var e=this.size-this.hdr_size;this.major_brand=t.readString(4),this.minor_version=t.readUint32(),e-=8,this.compatible_brands=[];for(var i=0;4<=e;)this.compatible_brands[i]=t.readString(4),e-=4,i++})),l.createFullBoxCtor("hdlr",(function(t){0===this.version&&(t.readUint32(),this.handler=t.readString(4),t.readUint32Array(3),this.name=t.readString(this.size-this.hdr_size-20),"\0"===this.name[this.name.length-1]&&(this.name=this.name.slice(0,-1)))})),l.createBoxCtor("hvcC",(function(t){var e,i,s,r;this.configurationVersion=t.readUint8(),r=t.readUint8(),this.general_profile_space=r>>6,this.general_tier_flag=(32&r)>>5,this.general_profile_idc=31&r,this.general_profile_compatibility=t.readUint32(),this.general_constraint_indicator=t.readUint8Array(6),this.general_level_idc=t.readUint8(),this.min_spatial_segmentation_idc=4095&t.readUint16(),this.parallelismType=3&t.readUint8(),this.chroma_format_idc=3&t.readUint8(),this.bit_depth_luma_minus8=7&t.readUint8(),this.bit_depth_chroma_minus8=7&t.readUint8(),this.avgFrameRate=t.readUint16(),r=t.readUint8(),this.constantFrameRate=r>>6,this.numTemporalLayers=(13&r)>>3,this.temporalIdNested=(4&r)>>2,this.lengthSizeMinusOne=3&r,this.nalu_arrays=[];var n=t.readUint8();for(e=0;e<n;e++){var a=[];this.nalu_arrays.push(a),r=t.readUint8(),a.completeness=(128&r)>>7,a.nalu_type=63&r;var o=t.readUint16();for(i=0;i<o;i++){var h={};a.push(h),s=t.readUint16(),h.data=t.readUint8Array(s)}}})),l.createFullBoxCtor("iinf",(function(t){var e;0===this.version?this.entry_count=t.readUint16():this.entry_count=t.readUint32(),this.item_infos=[];for(var i=0;i<this.entry_count;i++){if((e=l.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==l.OK)return;"infe"!==e.box.type&&n.error("BoxParser","Expected 'infe' box, got "+e.box.type),this.item_infos[i]=e.box}})),l.createFullBoxCtor("iloc",(function(t){var e;e=t.readUint8(),this.offset_size=e>>4&15,this.length_size=15&e,e=t.readUint8(),this.base_offset_size=e>>4&15,1===this.version||2===this.version?this.index_size=15&e:this.index_size=0,this.items=[];var i=0;if(this.version<2)i=t.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";i=t.readUint32()}for(var s=0;s<i;s++){var r={};if(this.items.push(r),this.version<2)r.item_ID=t.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";r.item_ID=t.readUint16()}switch(1===this.version||2===this.version?r.construction_method=15&t.readUint16():r.construction_method=0,r.data_reference_index=t.readUint16(),this.base_offset_size){case 0:r.base_offset=0;break;case 4:r.base_offset=t.readUint32();break;case 8:r.base_offset=t.readUint64();break;default:throw"Error reading base offset size"}var n=t.readUint16();r.extents=[];for(var a=0;a<n;a++){var o={};if(r.extents.push(o),1===this.version||2===this.version)switch(this.index_size){case 0:o.extent_index=0;break;case 4:o.extent_index=t.readUint32();break;case 8:o.extent_index=t.readUint64();break;default:throw"Error reading extent index"}switch(this.offset_size){case 0:o.extent_offset=0;break;case 4:o.extent_offset=t.readUint32();break;case 8:o.extent_offset=t.readUint64();break;default:throw"Error reading extent index"}switch(this.length_size){case 0:o.extent_length=0;break;case 4:o.extent_length=t.readUint32();break;case 8:o.extent_length=t.readUint64();break;default:throw"Error reading extent index"}}}})),l.createFullBoxCtor("infe",(function(t){if(0!==this.version&&1!==this.version||(this.item_ID=t.readUint16(),this.item_protection_index=t.readUint16(),this.item_name=t.readCString(),this.content_type=t.readCString(),this.content_encoding=t.readCString()),1===this.version)return this.extension_type=t.readString(4),n.warn("BoxParser","Cannot parse extension type"),void t.seek(this.start+this.size);2<=this.version&&(2===this.version?this.item_ID=t.readUint16():3===this.version&&(this.item_ID=t.readUint32()),this.item_protection_index=t.readUint16(),this.item_type=t.readString(4),this.item_name=t.readCString(),"mime"===this.item_type?(this.content_type=t.readCString(),this.content_encoding=t.readCString()):"uri "===this.item_type&&(this.item_uri_type=t.readCString()))})),l.createFullBoxCtor("ipma",(function(t){var e,i;for(entry_count=t.readUint32(),this.associations=[],e=0;e<entry_count;e++){var s={};this.associations.push(s),this.version<1?s.id=t.readUint16():s.id=t.readUint32();var r=t.readUint8();for(s.props=[],i=0;i<r;i++){var n=t.readUint8(),a={};s.props.push(a),a.essential=(128&n)>>7==1,1&this.flags?a.property_index=(127&n)<<8|t.readUint8():a.property_index=127&n}}})),l.createFullBoxCtor("iref",(function(t){var e,i;for(this.references=[];t.getPosition()<this.start+this.size;){if((e=l.parseOneBox(t,!0,this.size-(t.getPosition()-this.start))).code!==l.OK)return;(i=0===this.version?new l.SingleItemTypeReferenceBox(e.type,e.size,e.hdr_size,e.start):new l.SingleItemTypeReferenceBoxLarge(e.type,e.size,e.hdr_size,e.start)).write===l.Box.prototype.write&&"mdat"!==i.type&&(n.warn("BoxParser",i.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),i.parseDataAndRewind(t)),i.parse(t),this.references.push(i)}})),l.createBoxCtor("irot",(function(t){this.angle=3&t.readUint8()})),l.createFullBoxCtor("ispe",(function(t){this.image_width=t.readUint32(),this.image_height=t.readUint32()})),l.createFullBoxCtor("kind",(function(t){this.schemeURI=t.readCString(),this.value=t.readCString()})),l.createFullBoxCtor("leva",(function(t){var e=t.readUint8();this.levels=[];for(var i=0;i<e;i++){var s={};(this.levels[i]=s).track_ID=t.readUint32();var r=t.readUint8();switch(s.padding_flag=r>>7,s.assignment_type=127&r,s.assignment_type){case 0:s.grouping_type=t.readString(4);break;case 1:s.grouping_type=t.readString(4),s.grouping_type_parameter=t.readUint32();break;case 2:case 3:break;case 4:s.sub_track_id=t.readUint32();break;default:n.warn("BoxParser","Unknown leva assignement type")}}})),l.createBoxCtor("maxr",(function(t){this.period=t.readUint32(),this.bytes=t.readUint32()})),l.createBoxCtor("mdcv",(function(t){this.display_primaries=[],this.display_primaries[0]={},this.display_primaries[0].x=t.readUint16(),this.display_primaries[0].y=t.readUint16(),this.display_primaries[1]={},this.display_primaries[1].x=t.readUint16(),this.display_primaries[1].y=t.readUint16(),this.display_primaries[2]={},this.display_primaries[2].x=t.readUint16(),this.display_primaries[2].y=t.readUint16(),this.white_point={},this.white_point.x=t.readUint16(),this.white_point.y=t.readUint16(),this.max_display_mastering_luminance=t.readUint32(),this.min_display_mastering_luminance=t.readUint32()})),l.createFullBoxCtor("mdhd",(function(t){1==this.version?(this.creation_time=t.readUint64(),this.modification_time=t.readUint64(),this.timescale=t.readUint32(),this.duration=t.readUint64()):(this.creation_time=t.readUint32(),this.modification_time=t.readUint32(),this.timescale=t.readUint32(),this.duration=t.readUint32()),this.parseLanguage(t),t.readUint16()})),l.createFullBoxCtor("mehd",(function(t){1&this.flags&&(n.warn("BoxParser","mehd box incorrectly uses flags set to 1, converting version to 1"),this.version=1),1==this.version?this.fragment_duration=t.readUint64():this.fragment_duration=t.readUint32()})),l.createFullBoxCtor("meta",(function(t){this.boxes=[],l.ContainerBox.prototype.parse.call(this,t)})),l.createFullBoxCtor("mfhd",(function(t){this.sequence_number=t.readUint32()})),l.createFullBoxCtor("mfro",(function(t){this._size=t.readUint32()})),l.createFullBoxCtor("mvhd",(function(t){1==this.version?(this.creation_time=t.readUint64(),this.modification_time=t.readUint64(),this.timescale=t.readUint32(),this.duration=t.readUint64()):(this.creation_time=t.readUint32(),this.modification_time=t.readUint32(),this.timescale=t.readUint32(),this.duration=t.readUint32()),this.rate=t.readUint32(),this.volume=t.readUint16()>>8,t.readUint16(),t.readUint32Array(2),this.matrix=t.readUint32Array(9),t.readUint32Array(6),this.next_track_id=t.readUint32()})),l.createBoxCtor("npck",(function(t){this.packetssent=t.readUint32()})),l.createBoxCtor("nump",(function(t){this.packetssent=t.readUint64()})),l.createFullBoxCtor("padb",(function(t){var e=t.readUint32();this.padbits=[];for(var i=0;i<Math.floor((e+1)/2);i++)this.padbits=t.readUint8()})),l.createBoxCtor("pasp",(function(t){this.hSpacing=t.readUint32(),this.vSpacing=t.readUint32()})),l.createBoxCtor("payl",(function(t){this.text=t.readString(this.size-this.hdr_size)})),l.createBoxCtor("payt",(function(t){this.payloadID=t.readUint32();var e=t.readUint8();this.rtpmap_string=t.readString(e)})),l.createFullBoxCtor("pdin",(function(t){var e=(this.size-this.hdr_size)/8;this.rate=[],this.initial_delay=[];for(var i=0;i<e;i++)this.rate[i]=t.readUint32(),this.initial_delay[i]=t.readUint32()})),l.createFullBoxCtor("pitm",(function(t){0===this.version?this.item_id=t.readUint16():this.item_id=t.readUint32()})),l.createFullBoxCtor("pixi",(function(t){var e;for(this.num_channels=t.readUint8(),this.bits_per_channels=[],e=0;e<this.num_channels;e++)this.bits_per_channels[e]=t.readUint8()})),l.createBoxCtor("pmax",(function(t){this.bytes=t.readUint32()})),l.createFullBoxCtor("prft",(function(t){this.ref_track_id=t.readUint32(),this.ntp_timestamp=t.readUint64(),0===this.version?this.media_time=t.readUint32():this.media_time=t.readUint64()})),l.createFullBoxCtor("pssh",(function(t){if(this.system_id=l.parseHex16(t),0<this.version){var e=t.readUint32();this.kid=[];for(var i=0;i<e;i++)this.kid[i]=l.parseHex16(t)}var s=t.readUint32();0<s&&(this.data=t.readUint8Array(s))})),l.createFullBoxCtor("clef",(function(t){this.width=t.readUint32(),this.height=t.readUint32()})),l.createFullBoxCtor("enof",(function(t){this.width=t.readUint32(),this.height=t.readUint32()})),l.createFullBoxCtor("prof",(function(t){this.width=t.readUint32(),this.height=t.readUint32()})),l.createContainerBoxCtor("tapt",null,["clef","prof","enof"]),l.createBoxCtor("rtp ",(function(t){this.descriptionformat=t.readString(4),this.sdptext=t.readString(this.size-this.hdr_size-4)})),l.createFullBoxCtor("saio",(function(t){1&this.flags&&(this.aux_info_type=t.readUint32(),this.aux_info_type_parameter=t.readUint32());var e=t.readUint32();this.offset=[];for(var i=0;i<e;i++)0===this.version?this.offset[i]=t.readUint32():this.offset[i]=t.readUint64()})),l.createFullBoxCtor("saiz",(function(t){1&this.flags&&(this.aux_info_type=t.readUint32(),this.aux_info_type_parameter=t.readUint32()),this.default_sample_info_size=t.readUint8();var e=t.readUint32();if(this.sample_info_size=[],0===this.default_sample_info_size)for(var i=0;i<e;i++)this.sample_info_size[i]=t.readUint8()})),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_METADATA,"mett",(function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.mime_format=t.readCString(),this.parseFooter(t)})),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_METADATA,"metx",(function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.namespace=t.readCString(),this.schema_location=t.readCString(),this.parseFooter(t)})),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SUBTITLE,"sbtt",(function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.mime_format=t.readCString(),this.parseFooter(t)})),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SUBTITLE,"stpp",(function(t){this.parseHeader(t),this.namespace=t.readCString(),this.schema_location=t.readCString(),this.auxiliary_mime_types=t.readCString(),this.parseFooter(t)})),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SUBTITLE,"stxt",(function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.mime_format=t.readCString(),this.parseFooter(t)})),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SUBTITLE,"tx3g",(function(t){this.parseHeader(t),this.displayFlags=t.readUint32(),this.horizontal_justification=t.readInt8(),this.vertical_justification=t.readInt8(),this.bg_color_rgba=t.readUint8Array(4),this.box_record=t.readInt16Array(4),this.style_record=t.readUint8Array(12),this.parseFooter(t)})),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_METADATA,"wvtt",(function(t){this.parseHeader(t),this.parseFooter(t)})),l.createSampleGroupCtor("alst",(function(t){var e,i=t.readUint16();for(this.first_output_sample=t.readUint16(),this.sample_offset=[],e=0;e<i;e++)this.sample_offset[e]=t.readUint32();var s=this.description_length-4-4*i;for(this.num_output_samples=[],this.num_total_samples=[],e=0;e<s/4;e++)this.num_output_samples[e]=t.readUint16(),this.num_total_samples[e]=t.readUint16()})),l.createSampleGroupCtor("avll",(function(t){this.layerNumber=t.readUint8(),this.accurateStatisticsFlag=t.readUint8(),this.avgBitRate=t.readUint16(),this.avgFrameRate=t.readUint16()})),l.createSampleGroupCtor("avss",(function(t){this.subSequenceIdentifier=t.readUint16(),this.layerNumber=t.readUint8();var e=t.readUint8();this.durationFlag=e>>7,this.avgRateFlag=e>>6&1,this.durationFlag&&(this.duration=t.readUint32()),this.avgRateFlag&&(this.accurateStatisticsFlag=t.readUint8(),this.avgBitRate=t.readUint16(),this.avgFrameRate=t.readUint16()),this.dependency=[];for(var i=t.readUint8(),s=0;s<i;s++){var r={};this.dependency.push(r),r.subSeqDirectionFlag=t.readUint8(),r.layerNumber=t.readUint8(),r.subSequenceIdentifier=t.readUint16()}})),l.createSampleGroupCtor("dtrt",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),l.createSampleGroupCtor("mvif",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),l.createSampleGroupCtor("prol",(function(t){this.roll_distance=t.readInt16()})),l.createSampleGroupCtor("rap ",(function(t){var e=t.readUint8();this.num_leading_samples_known=e>>7,this.num_leading_samples=127&e})),l.createSampleGroupCtor("rash",(function(t){if(this.operation_point_count=t.readUint16(),this.description_length!==2+(1===this.operation_point_count?2:6*this.operation_point_count)+9)n.warn("BoxParser","Mismatch in "+this.grouping_type+" sample group length"),this.data=t.readUint8Array(this.description_length-2);else{if(1===this.operation_point_count)this.target_rate_share=t.readUint16();else{this.target_rate_share=[],this.available_bitrate=[];for(var e=0;e<this.operation_point_count;e++)this.available_bitrate[e]=t.readUint32(),this.target_rate_share[e]=t.readUint16()}this.maximum_bitrate=t.readUint32(),this.minimum_bitrate=t.readUint32(),this.discard_priority=t.readUint8()}})),l.createSampleGroupCtor("roll",(function(t){this.roll_distance=t.readInt16()})),l.SampleGroupEntry.prototype.parse=function(t){n.warn("BoxParser","Unknown Sample Group type: "+this.grouping_type),this.data=t.readUint8Array(this.description_length)},l.createSampleGroupCtor("scif",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),l.createSampleGroupCtor("scnm",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),l.createSampleGroupCtor("seig",(function(t){this.reserved=t.readUint8();var e=t.readUint8();this.crypt_byte_block=e>>4,this.skip_byte_block=15&e,this.isProtected=t.readUint8(),this.Per_Sample_IV_Size=t.readUint8(),this.KID=l.parseHex16(t),this.constant_IV_size=0,this.constant_IV=0,1===this.isProtected&&0===this.Per_Sample_IV_Size&&(this.constant_IV_size=t.readUint8(),this.constant_IV=t.readUint8Array(this.constant_IV_size))})),l.createSampleGroupCtor("stsa",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),l.createSampleGroupCtor("sync",(function(t){var e=t.readUint8();this.NAL_unit_type=63&e})),l.createSampleGroupCtor("tele",(function(t){var e=t.readUint8();this.level_independently_decodable=e>>7})),l.createSampleGroupCtor("tsas",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),l.createSampleGroupCtor("tscl",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),l.createSampleGroupCtor("vipr",(function(t){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),l.createFullBoxCtor("sbgp",(function(t){this.grouping_type=t.readString(4),1===this.version?this.grouping_type_parameter=t.readUint32():this.grouping_type_parameter=0,this.entries=[];for(var e=t.readUint32(),i=0;i<e;i++){var s={};this.entries.push(s),s.sample_count=t.readInt32(),s.group_description_index=t.readInt32()}})),l.createFullBoxCtor("schm",(function(t){this.scheme_type=t.readString(4),this.scheme_version=t.readUint32(),1&this.flags&&(this.scheme_uri=t.readString(this.size-this.hdr_size-8))})),l.createBoxCtor("sdp ",(function(t){this.sdptext=t.readString(this.size-this.hdr_size)})),l.createFullBoxCtor("sdtp",(function(t){var e,i=this.size-this.hdr_size;this.is_leading=[],this.sample_depends_on=[],this.sample_is_depended_on=[],this.sample_has_redundancy=[];for(var s=0;s<i;s++)e=t.readUint8(),this.is_leading[s]=e>>6,this.sample_depends_on[s]=e>>4&3,this.sample_is_depended_on[s]=e>>2&3,this.sample_has_redundancy[s]=3&e})),l.createFullBoxCtor("senc"),l.createFullBoxCtor("sgpd",(function(t){this.grouping_type=t.readString(4),n.debug("BoxParser","Found Sample Groups of type "+this.grouping_type),1===this.version?this.default_length=t.readUint32():this.default_length=0,2<=this.version&&(this.default_group_description_index=t.readUint32()),this.entries=[];for(var e=t.readUint32(),i=0;i<e;i++){var s;s=l[this.grouping_type+"SampleGroupEntry"]?new l[this.grouping_type+"SampleGroupEntry"](this.grouping_type):new l.SampleGroupEntry(this.grouping_type),this.entries.push(s),1===this.version&&0===this.default_length?s.description_length=t.readUint32():s.description_length=this.default_length,s.write===l.SampleGroupEntry.prototype.write&&(n.info("BoxParser","SampleGroup for type "+this.grouping_type+" writing not yet implemented, keeping unparsed data in memory for later write"),s.data=t.readUint8Array(s.description_length),t.position-=s.description_length),s.parse(t)}})),l.createFullBoxCtor("sidx",(function(t){this.reference_ID=t.readUint32(),this.timescale=t.readUint32(),0===this.version?(this.earliest_presentation_time=t.readUint32(),this.first_offset=t.readUint32()):(this.earliest_presentation_time=t.readUint64(),this.first_offset=t.readUint64()),t.readUint16(),this.references=[];for(var e=t.readUint16(),i=0;i<e;i++){var s={};this.references.push(s);var r=t.readUint32();s.reference_type=r>>31&1,s.referenced_size=2147483647&r,s.subsegment_duration=t.readUint32(),r=t.readUint32(),s.starts_with_SAP=r>>31&1,s.SAP_type=r>>28&7,s.SAP_delta_time=268435455&r}})),l.SingleItemTypeReferenceBox=function(t,e,i,s){l.Box.call(this,t,e),this.hdr_size=i,this.start=s},l.SingleItemTypeReferenceBox.prototype=new l.Box,l.SingleItemTypeReferenceBox.prototype.parse=function(t){this.from_item_ID=t.readUint16();var e=t.readUint16();this.references=[];for(var i=0;i<e;i++)this.references[i]=t.readUint16()},l.SingleItemTypeReferenceBoxLarge=function(t,e,i,s){l.Box.call(this,t,e),this.hdr_size=i,this.start=s},l.SingleItemTypeReferenceBoxLarge.prototype=new l.Box,l.SingleItemTypeReferenceBoxLarge.prototype.parse=function(t){this.from_item_ID=t.readUint32();var e=t.readUint16();this.references=[];for(var i=0;i<e;i++)this.references[i]=t.readUint32()},l.createFullBoxCtor("SmDm",(function(t){this.primaryRChromaticity_x=t.readUint16(),this.primaryRChromaticity_y=t.readUint16(),this.primaryGChromaticity_x=t.readUint16(),this.primaryGChromaticity_y=t.readUint16(),this.primaryBChromaticity_x=t.readUint16(),this.primaryBChromaticity_y=t.readUint16(),this.whitePointChromaticity_x=t.readUint16(),this.whitePointChromaticity_y=t.readUint16(),this.luminanceMax=t.readUint32(),this.luminanceMin=t.readUint32()})),l.createFullBoxCtor("smhd",(function(t){this.balance=t.readUint16(),t.readUint16()})),l.createFullBoxCtor("ssix",(function(t){this.subsegments=[];for(var e=t.readUint32(),i=0;i<e;i++){var s={};this.subsegments.push(s),s.ranges=[];for(var r=t.readUint32(),n=0;n<r;n++){var a={};s.ranges.push(a),a.level=t.readUint8(),a.range_size=t.readUint24()}}})),l.createFullBoxCtor("stco",(function(t){var e;if(e=t.readUint32(),this.chunk_offsets=[],0===this.version)for(var i=0;i<e;i++)this.chunk_offsets.push(t.readUint32())})),l.createFullBoxCtor("stdp",(function(t){var e=(this.size-this.hdr_size)/2;this.priority=[];for(var i=0;i<e;i++)this.priority[i]=t.readUint16()})),l.createFullBoxCtor("sthd"),l.createFullBoxCtor("stri",(function(t){this.switch_group=t.readUint16(),this.alternate_group=t.readUint16(),this.sub_track_id=t.readUint32();var e=(this.size-this.hdr_size-8)/4;this.attribute_list=[];for(var i=0;i<e;i++)this.attribute_list[i]=t.readUint32()})),l.createFullBoxCtor("stsc",(function(t){var e,i;if(e=t.readUint32(),this.first_chunk=[],this.samples_per_chunk=[],this.sample_description_index=[],0===this.version)for(i=0;i<e;i++)this.first_chunk.push(t.readUint32()),this.samples_per_chunk.push(t.readUint32()),this.sample_description_index.push(t.readUint32())})),l.createFullBoxCtor("stsd",(function(t){var e,i,s,r;for(this.entries=[],s=t.readUint32(),e=1;e<=s;e++){if((i=l.parseOneBox(t,!0,this.size-(t.getPosition()-this.start))).code!==l.OK)return;l[i.type+"SampleEntry"]?((r=new l[i.type+"SampleEntry"](i.size)).hdr_size=i.hdr_size,r.start=i.start):(n.warn("BoxParser","Unknown sample entry type: "+i.type),r=new l.SampleEntry(i.type,i.size,i.hdr_size,i.start)),r.write===l.SampleEntry.prototype.write&&(n.info("BoxParser","SampleEntry "+r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(t)),r.parse(t),this.entries.push(r)}})),l.createFullBoxCtor("stsg",(function(t){this.grouping_type=t.readUint32();var e=t.readUint16();this.group_description_index=[];for(var i=0;i<e;i++)this.group_description_index[i]=t.readUint32()})),l.createFullBoxCtor("stsh",(function(t){var e,i;if(e=t.readUint32(),this.shadowed_sample_numbers=[],this.sync_sample_numbers=[],0===this.version)for(i=0;i<e;i++)this.shadowed_sample_numbers.push(t.readUint32()),this.sync_sample_numbers.push(t.readUint32())})),l.createFullBoxCtor("stss",(function(t){var e,i;if(i=t.readUint32(),0===this.version)for(this.sample_numbers=[],e=0;e<i;e++)this.sample_numbers.push(t.readUint32())})),l.createFullBoxCtor("stsz",(function(t){var e;if(this.sample_sizes=[],0===this.version)for(this.sample_size=t.readUint32(),this.sample_count=t.readUint32(),e=0;e<this.sample_count;e++)0===this.sample_size?this.sample_sizes.push(t.readUint32()):this.sample_sizes[e]=this.sample_size})),l.createFullBoxCtor("stts",(function(t){var e,i,s;if(e=t.readUint32(),this.sample_counts=[],this.sample_deltas=[],0===this.version)for(i=0;i<e;i++)this.sample_counts.push(t.readUint32()),(s=t.readInt32())<0&&(n.warn("BoxParser","File uses negative stts sample delta, using value 1 instead, sync may be lost!"),s=1),this.sample_deltas.push(s)})),l.createFullBoxCtor("stvi",(function(t){var e=t.readUint32();this.single_view_allowed=3&e,this.stereo_scheme=t.readUint32();var i,s,r=t.readUint32();for(this.stereo_indication_type=t.readString(r),this.boxes=[];t.getPosition()<this.start+this.size;){if((i=l.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==l.OK)return;s=i.box,this.boxes.push(s),this[s.type]=s}})),l.createBoxCtor("styp",(function(t){l.ftypBox.prototype.parse.call(this,t)})),l.createFullBoxCtor("stz2",(function(t){var e,i;if(this.sample_sizes=[],0===this.version)if(this.reserved=t.readUint24(),this.field_size=t.readUint8(),i=t.readUint32(),4===this.field_size)for(e=0;e<i;e+=2){var s=t.readUint8();this.sample_sizes[e]=s>>4&15,this.sample_sizes[e+1]=15&s}else if(8===this.field_size)for(e=0;e<i;e++)this.sample_sizes[e]=t.readUint8();else if(16===this.field_size)for(e=0;e<i;e++)this.sample_sizes[e]=t.readUint16();else n.error("BoxParser","Error in length field in stz2 box")})),l.createFullBoxCtor("subs",(function(t){var e,i,s,r;for(s=t.readUint32(),this.entries=[],e=0;e<s;e++){var n={};if((this.entries[e]=n).sample_delta=t.readUint32(),n.subsamples=[],0<(r=t.readUint16()))for(i=0;i<r;i++){var a={};n.subsamples.push(a),1==this.version?a.size=t.readUint32():a.size=t.readUint16(),a.priority=t.readUint8(),a.discardable=t.readUint8(),a.codec_specific_parameters=t.readUint32()}}})),l.createFullBoxCtor("tenc",(function(t){if(t.readUint8(),0===this.version)t.readUint8();else{var e=t.readUint8();this.default_crypt_byte_block=e>>4&15,this.default_skip_byte_block=15&e}this.default_isProtected=t.readUint8(),this.default_Per_Sample_IV_Size=t.readUint8(),this.default_KID=l.parseHex16(t),1===this.default_isProtected&&0===this.default_Per_Sample_IV_Size&&(this.default_constant_IV_size=t.readUint8(),this.default_constant_IV=t.readUint8Array(this.default_constant_IV_size))})),l.createFullBoxCtor("tfdt",(function(t){1==this.version?this.baseMediaDecodeTime=t.readUint64():this.baseMediaDecodeTime=t.readUint32()})),l.createFullBoxCtor("tfhd",(function(t){var e=0;this.track_id=t.readUint32(),this.size-this.hdr_size>e&&this.flags&l.TFHD_FLAG_BASE_DATA_OFFSET?(this.base_data_offset=t.readUint64(),e+=8):this.base_data_offset=0,this.size-this.hdr_size>e&&this.flags&l.TFHD_FLAG_SAMPLE_DESC?(this.default_sample_description_index=t.readUint32(),e+=4):this.default_sample_description_index=0,this.size-this.hdr_size>e&&this.flags&l.TFHD_FLAG_SAMPLE_DUR?(this.default_sample_duration=t.readUint32(),e+=4):this.default_sample_duration=0,this.size-this.hdr_size>e&&this.flags&l.TFHD_FLAG_SAMPLE_SIZE?(this.default_sample_size=t.readUint32(),e+=4):this.default_sample_size=0,this.size-this.hdr_size>e&&this.flags&l.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=t.readUint32(),e+=4):this.default_sample_flags=0})),l.createFullBoxCtor("tfra",(function(t){this.track_ID=t.readUint32(),t.readUint24();var e=t.readUint8();this.length_size_of_traf_num=e>>4&3,this.length_size_of_trun_num=e>>2&3,this.length_size_of_sample_num=3&e,this.entries=[];for(var i=t.readUint32(),s=0;s<i;s++)1===this.version?(this.time=t.readUint64(),this.moof_offset=t.readUint64()):(this.time=t.readUint32(),this.moof_offset=t.readUint32()),this.traf_number=t["readUint"+8*(this.length_size_of_traf_num+1)](),this.trun_number=t["readUint"+8*(this.length_size_of_trun_num+1)](),this.sample_number=t["readUint"+8*(this.length_size_of_sample_num+1)]()})),l.createFullBoxCtor("tkhd",(function(t){1==this.version?(this.creation_time=t.readUint64(),this.modification_time=t.readUint64(),this.track_id=t.readUint32(),t.readUint32(),this.duration=t.readUint64()):(this.creation_time=t.readUint32(),this.modification_time=t.readUint32(),this.track_id=t.readUint32(),t.readUint32(),this.duration=t.readUint32()),t.readUint32Array(2),this.layer=t.readInt16(),this.alternate_group=t.readInt16(),this.volume=t.readInt16()>>8,t.readUint16(),this.matrix=t.readInt32Array(9),this.width=t.readUint32(),this.height=t.readUint32()})),l.createBoxCtor("tmax",(function(t){this.time=t.readUint32()})),l.createBoxCtor("tmin",(function(t){this.time=t.readUint32()})),l.createBoxCtor("totl",(function(t){this.bytessent=t.readUint32()})),l.createBoxCtor("tpay",(function(t){this.bytessent=t.readUint32()})),l.createBoxCtor("tpyl",(function(t){this.bytessent=t.readUint64()})),l.TrackGroupTypeBox.prototype.parse=function(t){this.parseFullHeader(t),this.track_group_id=t.readUint32()},l.createTrackGroupCtor("msrc"),l.TrackReferenceTypeBox=function(t,e,i,s){l.Box.call(this,t,e),this.hdr_size=i,this.start=s},l.TrackReferenceTypeBox.prototype=new l.Box,l.TrackReferenceTypeBox.prototype.parse=function(t){this.track_ids=t.readUint32Array((this.size-this.hdr_size)/4)},l.trefBox.prototype.parse=function(t){for(var e,i;t.getPosition()<this.start+this.size;){if((e=l.parseOneBox(t,!0,this.size-(t.getPosition()-this.start))).code!==l.OK)return;(i=new l.TrackReferenceTypeBox(e.type,e.size,e.hdr_size,e.start)).write===l.Box.prototype.write&&"mdat"!==i.type&&(n.info("BoxParser","TrackReference "+i.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),i.parseDataAndRewind(t)),i.parse(t),this.boxes.push(i)}},l.createFullBoxCtor("trep",(function(t){for(this.track_ID=t.readUint32(),this.boxes=[];t.getPosition()<this.start+this.size;){if(ret=l.parseOneBox(t,!1,this.size-(t.getPosition()-this.start)),ret.code!==l.OK)return;box=ret.box,this.boxes.push(box)}})),l.createFullBoxCtor("trex",(function(t){this.track_id=t.readUint32(),this.default_sample_description_index=t.readUint32(),this.default_sample_duration=t.readUint32(),this.default_sample_size=t.readUint32(),this.default_sample_flags=t.readUint32()})),l.createBoxCtor("trpy",(function(t){this.bytessent=t.readUint64()})),l.createFullBoxCtor("trun",(function(t){var e=0;if(this.sample_count=t.readUint32(),e+=4,this.size-this.hdr_size>e&&this.flags&l.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=t.readInt32(),e+=4):this.data_offset=0,this.size-this.hdr_size>e&&this.flags&l.TRUN_FLAGS_FIRST_FLAG?(this.first_sample_flags=t.readUint32(),e+=4):this.first_sample_flags=0,this.sample_duration=[],this.sample_size=[],this.sample_flags=[],this.sample_composition_time_offset=[],this.size-this.hdr_size>e)for(var i=0;i<this.sample_count;i++)this.flags&l.TRUN_FLAGS_DURATION&&(this.sample_duration[i]=t.readUint32()),this.flags&l.TRUN_FLAGS_SIZE&&(this.sample_size[i]=t.readUint32()),this.flags&l.TRUN_FLAGS_FLAGS&&(this.sample_flags[i]=t.readUint32()),this.flags&l.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?this.sample_composition_time_offset[i]=t.readUint32():this.sample_composition_time_offset[i]=t.readInt32())})),l.createFullBoxCtor("tsel",(function(t){this.switch_group=t.readUint32();var e=(this.size-this.hdr_size-4)/4;this.attribute_list=[];for(var i=0;i<e;i++)this.attribute_list[i]=t.readUint32()})),l.createFullBoxCtor("txtC",(function(t){this.config=t.readCString()})),l.createFullBoxCtor("url ",(function(t){1!==this.flags&&(this.location=t.readCString())})),l.createFullBoxCtor("urn ",(function(t){this.name=t.readCString(),0<this.size-this.hdr_size-this.name.length-1&&(this.location=t.readCString())})),l.createUUIDBox("a5d40b30e81411ddba2f0800200c9a66",!0,!1,(function(t){this.LiveServerManifest=t.readString(this.size-this.hdr_size).replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">").replace(/"/g,""").replace(/'/g,"'")})),l.createUUIDBox("d08a4f1810f34a82b6c832d8aba183d3",!0,!1,(function(t){this.system_id=l.parseHex16(t);var e=t.readUint32();0<e&&(this.data=t.readUint8Array(e))})),l.createUUIDBox("a2394f525a9b4f14a2446c427c648df4",!0,!1),l.createUUIDBox("8974dbce7be74c5184f97148f9882554",!0,!1,(function(t){this.default_AlgorithmID=t.readUint24(),this.default_IV_size=t.readUint8(),this.default_KID=l.parseHex16(t)})),l.createUUIDBox("d4807ef2ca3946958e5426cb9e46a79f",!0,!1,(function(t){this.fragment_count=t.readUint8(),this.entries=[];for(var e=0;e<this.fragment_count;e++){var i,s={},r=0;i=1===this.version?(r=t.readUint64(),t.readUint64()):(r=t.readUint32(),t.readUint32()),s.absolute_time=r,s.absolute_duration=i,this.entries.push(s)}})),l.createUUIDBox("6d1d9b0542d544e680e2141daff757b2",!0,!1,(function(t){1===this.version?(this.absolute_time=t.readUint64(),this.duration=t.readUint64()):(this.absolute_time=t.readUint32(),this.duration=t.readUint32())})),l.createFullBoxCtor("vmhd",(function(t){this.graphicsmode=t.readUint16(),this.opcolor=t.readUint16Array(3)})),l.createFullBoxCtor("vpcC",(function(t){var e;1===this.version?(this.profile=t.readUint8(),this.level=t.readUint8(),e=t.readUint8(),this.bitDepth=e>>4,this.chromaSubsampling=e>>1&7,this.videoFullRangeFlag=1&e,this.colourPrimaries=t.readUint8(),this.transferCharacteristics=t.readUint8(),this.matrixCoefficients=t.readUint8()):(this.profile=t.readUint8(),this.level=t.readUint8(),e=t.readUint8(),this.bitDepth=e>>4&15,this.colorSpace=15&e,e=t.readUint8(),this.chromaSubsampling=e>>4&15,this.transferFunction=e>>1&7,this.videoFullRangeFlag=1&e),this.codecIntializationDataSize=t.readUint16(),this.codecIntializationData=t.readUint8Array(this.codecIntializationDataSize)})),l.createBoxCtor("vttC",(function(t){this.text=t.readString(this.size-this.hdr_size)})),l.SampleEntry.prototype.isVideo=function(){return!1},l.SampleEntry.prototype.isAudio=function(){return!1},l.SampleEntry.prototype.isSubtitle=function(){return!1},l.SampleEntry.prototype.isMetadata=function(){return!1},l.SampleEntry.prototype.isHint=function(){return!1},l.SampleEntry.prototype.getCodec=function(){return this.type.replace(".","")},l.SampleEntry.prototype.getWidth=function(){return""},l.SampleEntry.prototype.getHeight=function(){return""},l.SampleEntry.prototype.getChannelCount=function(){return""},l.SampleEntry.prototype.getSampleRate=function(){return""},l.SampleEntry.prototype.getSampleSize=function(){return""},l.VisualSampleEntry.prototype.isVideo=function(){return!0},l.VisualSampleEntry.prototype.getWidth=function(){return this.width},l.VisualSampleEntry.prototype.getHeight=function(){return this.height},l.AudioSampleEntry.prototype.isAudio=function(){return!0},l.AudioSampleEntry.prototype.getChannelCount=function(){return this.channel_count},l.AudioSampleEntry.prototype.getSampleRate=function(){return this.samplerate},l.AudioSampleEntry.prototype.getSampleSize=function(){return this.samplesize},l.SubtitleSampleEntry.prototype.isSubtitle=function(){return!0},l.MetadataSampleEntry.prototype.isMetadata=function(){return!0},l.decimalToHex=function(t,e){var i=Number(t).toString(16);for(e=null==e?e=2:e;i.length<e;)i="0"+i;return i},l.avc1SampleEntry.prototype.getCodec=l.avc2SampleEntry.prototype.getCodec=l.avc3SampleEntry.prototype.getCodec=l.avc4SampleEntry.prototype.getCodec=function(){var t=l.SampleEntry.prototype.getCodec.call(this);return this.avcC?t+"."+l.decimalToHex(this.avcC.AVCProfileIndication)+l.decimalToHex(this.avcC.profile_compatibility)+l.decimalToHex(this.avcC.AVCLevelIndication):t},l.hev1SampleEntry.prototype.getCodec=l.hvc1SampleEntry.prototype.getCodec=function(){var t,e=l.SampleEntry.prototype.getCodec.call(this);if(this.hvcC){switch(e+=".",this.hvcC.general_profile_space){case 0:e+="";break;case 1:e+="A";break;case 2:e+="B";break;case 3:e+="C"}e+=this.hvcC.general_profile_idc,e+=".";var i=this.hvcC.general_profile_compatibility,s=0;for(t=0;t<32&&(s|=1&i,31!=t);t++)s<<=1,i>>=1;e+=l.decimalToHex(s,0),e+=".",0===this.hvcC.general_tier_flag?e+="L":e+="H",e+=this.hvcC.general_level_idc;var r=!1,n="";for(t=5;0<=t;t--)(this.hvcC.general_constraint_indicator[t]||r)&&(n="."+l.decimalToHex(this.hvcC.general_constraint_indicator[t],0)+n,r=!0);e+=n}return e},l.mp4aSampleEntry.prototype.getCodec=function(){var t=l.SampleEntry.prototype.getCodec.call(this);if(this.esds&&this.esds.esd){var e=this.esds.esd.getOTI(),i=this.esds.esd.getAudioConfig();return t+"."+l.decimalToHex(e)+(i?"."+i:"")}return t},l.stxtSampleEntry.prototype.getCodec=function(){var t=l.SampleEntry.prototype.getCodec.call(this);return this.mime_format?t+"."+this.mime_format:t},l.av01SampleEntry.prototype.getCodec=function(){var t,e=l.SampleEntry.prototype.getCodec.call(this);return 2===this.av1C.seq_profile&&1===this.av1C.high_bitdepth?t=1===this.av1C.twelve_bit?12:10:this.av1C.seq_profile<=2&&(t=1===this.av1C.high_bitdepth?10:8),e+"."+this.av1C.seq_profile+"."+this.av1C.seq_level_idx_0+(this.av1C.seq_tier_0?"H":"M")+"."+t+"."+this.av1C.monochrome+"."+this.av1C.chroma_subsampling_x+this.av1C.chroma_subsampling_y+this.av1C.chroma_sample_position},l.Box.prototype.writeHeader=function(t,e){this.size+=8,this.size>h&&(this.size+=8),"uuid"===this.type&&(this.size+=16),n.debug("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+t.getPosition()+(e||"")),this.size>h?t.writeUint32(1):(this.sizePosition=t.getPosition(),t.writeUint32(this.size)),t.writeString(this.type,null,4),"uuid"===this.type&&t.writeUint8Array(this.uuid),this.size>h&&t.writeUint64(this.size)},l.FullBox.prototype.writeHeader=function(t){this.size+=4,l.Box.prototype.writeHeader.call(this,t," v="+this.version+" f="+this.flags),t.writeUint8(this.version),t.writeUint24(this.flags)},l.Box.prototype.write=function(t){"mdat"===this.type?this.data&&(this.size=this.data.length,this.writeHeader(t),t.writeUint8Array(this.data)):(this.size=this.data?this.data.length:0,this.writeHeader(t),this.data&&t.writeUint8Array(this.data))},l.ContainerBox.prototype.write=function(t){this.size=0,this.writeHeader(t);for(var e=0;e<this.boxes.length;e++)this.boxes[e]&&(this.boxes[e].write(t),this.size+=this.boxes[e].size);n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},l.TrackReferenceTypeBox.prototype.write=function(t){this.size=4*this.track_ids.length,this.writeHeader(t),t.writeUint32Array(this.track_ids)},l.avcCBox.prototype.write=function(t){var e;for(this.size=7,e=0;e<this.SPS.length;e++)this.size+=2+this.SPS[e].length;for(e=0;e<this.PPS.length;e++)this.size+=2+this.PPS[e].length;for(this.ext&&(this.size+=this.ext.length),this.writeHeader(t),t.writeUint8(this.configurationVersion),t.writeUint8(this.AVCProfileIndication),t.writeUint8(this.profile_compatibility),t.writeUint8(this.AVCLevelIndication),t.writeUint8(this.lengthSizeMinusOne+252),t.writeUint8(this.SPS.length+224),e=0;e<this.SPS.length;e++)t.writeUint16(this.SPS[e].length),t.writeUint8Array(this.SPS[e].nalu);for(t.writeUint8(this.PPS.length),e=0;e<this.PPS.length;e++)t.writeUint16(this.PPS[e].length),t.writeUint8Array(this.PPS[e].nalu);this.ext&&t.writeUint8Array(this.ext)},l.co64Box.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+8*this.chunk_offsets.length,this.writeHeader(t),t.writeUint32(this.chunk_offsets.length),e=0;e<this.chunk_offsets.length;e++)t.writeUint64(this.chunk_offsets[e])},l.cslgBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=20,this.writeHeader(t),t.writeInt32(this.compositionToDTSShift),t.writeInt32(this.leastDecodeToDisplayDelta),t.writeInt32(this.greatestDecodeToDisplayDelta),t.writeInt32(this.compositionStartTime),t.writeInt32(this.compositionEndTime)},l.cttsBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(t),t.writeUint32(this.sample_counts.length),e=0;e<this.sample_counts.length;e++)t.writeUint32(this.sample_counts[e]),1===this.version?t.writeInt32(this.sample_offsets[e]):t.writeUint32(this.sample_offsets[e])},l.drefBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4,this.writeHeader(t),t.writeUint32(this.entries.length);for(var e=0;e<this.entries.length;e++)this.entries[e].write(t),this.size+=this.entries[e].size;n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},l.elngBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=this.extended_language.length,this.writeHeader(t),t.writeString(this.extended_language)},l.elstBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4+12*this.entries.length,this.writeHeader(t),t.writeUint32(this.entries.length);for(var e=0;e<this.entries.length;e++){var i=this.entries[e];t.writeUint32(i.segment_duration),t.writeInt32(i.media_time),t.writeInt16(i.media_rate_integer),t.writeInt16(i.media_rate_fraction)}},l.emsgBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=16+this.message_data.length+(this.scheme_id_uri.length+1)+(this.value.length+1),this.writeHeader(t),t.writeCString(this.scheme_id_uri),t.writeCString(this.value),t.writeUint32(this.timescale),t.writeUint32(this.presentation_time_delta),t.writeUint32(this.event_duration),t.writeUint32(this.id),t.writeUint8Array(this.message_data)},l.ftypBox.prototype.write=function(t){this.size=8+4*this.compatible_brands.length,this.writeHeader(t),t.writeString(this.major_brand,null,4),t.writeUint32(this.minor_version);for(var e=0;e<this.compatible_brands.length;e++)t.writeString(this.compatible_brands[e],null,4)},l.hdlrBox.prototype.write=function(t){this.size=20+this.name.length+1,this.version=0,this.flags=0,this.writeHeader(t),t.writeUint32(0),t.writeString(this.handler,null,4),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeCString(this.name)},l.kindBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=this.schemeURI.length+1+(this.value.length+1),this.writeHeader(t),t.writeCString(this.schemeURI),t.writeCString(this.value)},l.mdhdBox.prototype.write=function(t){this.size=20,this.flags=0,this.version=0,this.writeHeader(t),t.writeUint32(this.creation_time),t.writeUint32(this.modification_time),t.writeUint32(this.timescale),t.writeUint32(this.duration),t.writeUint16(this.language),t.writeUint16(0)},l.mehdBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4,this.writeHeader(t),t.writeUint32(this.fragment_duration)},l.mfhdBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4,this.writeHeader(t),t.writeUint32(this.sequence_number)},l.mvhdBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=96,this.writeHeader(t),t.writeUint32(this.creation_time),t.writeUint32(this.modification_time),t.writeUint32(this.timescale),t.writeUint32(this.duration),t.writeUint32(this.rate),t.writeUint16(this.volume<<8),t.writeUint16(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32Array(this.matrix),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(this.next_track_id)},l.SampleEntry.prototype.writeHeader=function(t){this.size=8,l.Box.prototype.writeHeader.call(this,t),t.writeUint8(0),t.writeUint8(0),t.writeUint8(0),t.writeUint8(0),t.writeUint8(0),t.writeUint8(0),t.writeUint16(this.data_reference_index)},l.SampleEntry.prototype.writeFooter=function(t){for(var e=0;e<this.boxes.length;e++)this.boxes[e].write(t),this.size+=this.boxes[e].size;n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},l.SampleEntry.prototype.write=function(t){this.writeHeader(t),t.writeUint8Array(this.data),this.size+=this.data.length,n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},l.VisualSampleEntry.prototype.write=function(t){this.writeHeader(t),this.size+=70,t.writeUint16(0),t.writeUint16(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint16(this.width),t.writeUint16(this.height),t.writeUint32(this.horizresolution),t.writeUint32(this.vertresolution),t.writeUint32(0),t.writeUint16(this.frame_count),t.writeUint8(Math.min(31,this.compressorname.length)),t.writeString(this.compressorname,null,31),t.writeUint16(this.depth),t.writeInt16(-1),this.writeFooter(t)},l.AudioSampleEntry.prototype.write=function(t){this.writeHeader(t),this.size+=20,t.writeUint32(0),t.writeUint32(0),t.writeUint16(this.channel_count),t.writeUint16(this.samplesize),t.writeUint16(0),t.writeUint16(0),t.writeUint32(this.samplerate<<16),this.writeFooter(t)},l.stppSampleEntry.prototype.write=function(t){this.writeHeader(t),this.size+=this.namespace.length+1+this.schema_location.length+1+this.auxiliary_mime_types.length+1,t.writeCString(this.namespace),t.writeCString(this.schema_location),t.writeCString(this.auxiliary_mime_types),this.writeFooter(t)},l.SampleGroupEntry.prototype.write=function(t){t.writeUint8Array(this.data)},l.sbgpBox.prototype.write=function(t){this.version=1,this.flags=0,this.size=12+8*this.entries.length,this.writeHeader(t),t.writeString(this.grouping_type,null,4),t.writeUint32(this.grouping_type_parameter),t.writeUint32(this.entries.length);for(var e=0;e<this.entries.length;e++){var i=this.entries[e];t.writeInt32(i.sample_count),t.writeInt32(i.group_description_index)}},l.sgpdBox.prototype.write=function(t){var e,i;for(this.flags=0,this.size=12,e=0;e<this.entries.length;e++)i=this.entries[e],1===this.version&&(0===this.default_length&&(this.size+=4),this.size+=i.data.length);for(this.writeHeader(t),t.writeString(this.grouping_type,null,4),1===this.version&&t.writeUint32(this.default_length),2<=this.version&&t.writeUint32(this.default_sample_description_index),t.writeUint32(this.entries.length),e=0;e<this.entries.length;e++)i=this.entries[e],1===this.version&&0===this.default_length&&t.writeUint32(i.description_length),i.write(t)},l.sidxBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=20+12*this.references.length,this.writeHeader(t),t.writeUint32(this.reference_ID),t.writeUint32(this.timescale),t.writeUint32(this.earliest_presentation_time),t.writeUint32(this.first_offset),t.writeUint16(0),t.writeUint16(this.references.length);for(var e=0;e<this.references.length;e++){var i=this.references[e];t.writeUint32(i.reference_type<<31|i.referenced_size),t.writeUint32(i.subsegment_duration),t.writeUint32(i.starts_with_SAP<<31|i.SAP_type<<28|i.SAP_delta_time)}},l.stcoBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4+4*this.chunk_offsets.length,this.writeHeader(t),t.writeUint32(this.chunk_offsets.length),t.writeUint32Array(this.chunk_offsets)},l.stscBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+12*this.first_chunk.length,this.writeHeader(t),t.writeUint32(this.first_chunk.length),e=0;e<this.first_chunk.length;e++)t.writeUint32(this.first_chunk[e]),t.writeUint32(this.samples_per_chunk[e]),t.writeUint32(this.sample_description_index[e])},l.stsdBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=0,this.writeHeader(t),t.writeUint32(this.entries.length),this.size+=4,e=0;e<this.entries.length;e++)this.entries[e].write(t),this.size+=this.entries[e].size;n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},l.stshBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+8*this.shadowed_sample_numbers.length,this.writeHeader(t),t.writeUint32(this.shadowed_sample_numbers.length),e=0;e<this.shadowed_sample_numbers.length;e++)t.writeUint32(this.shadowed_sample_numbers[e]),t.writeUint32(this.sync_sample_numbers[e])},l.stssBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4+4*this.sample_numbers.length,this.writeHeader(t),t.writeUint32(this.sample_numbers.length),t.writeUint32Array(this.sample_numbers)},l.stszBox.prototype.write=function(t){var e,i=!0;if(this.version=0,(this.flags=0)<this.sample_sizes.length)for(e=0;e+1<this.sample_sizes.length;){if(this.sample_sizes[e+1]!==this.sample_sizes[0]){i=!1;break}e++}else i=!1;this.size=8,i||(this.size+=4*this.sample_sizes.length),this.writeHeader(t),i?t.writeUint32(this.sample_sizes[0]):t.writeUint32(0),t.writeUint32(this.sample_sizes.length),i||t.writeUint32Array(this.sample_sizes)},l.sttsBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(t),t.writeUint32(this.sample_counts.length),e=0;e<this.sample_counts.length;e++)t.writeUint32(this.sample_counts[e]),t.writeUint32(this.sample_deltas[e])},l.tfdtBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4,1===this.version&&(this.size+=4),this.writeHeader(t),1===this.version?t.writeUint64(this.baseMediaDecodeTime):t.writeUint32(this.baseMediaDecodeTime)},l.tfhdBox.prototype.write=function(t){this.version=0,this.size=4,this.flags&l.TFHD_FLAG_BASE_DATA_OFFSET&&(this.size+=8),this.flags&l.TFHD_FLAG_SAMPLE_DESC&&(this.size+=4),this.flags&l.TFHD_FLAG_SAMPLE_DUR&&(this.size+=4),this.flags&l.TFHD_FLAG_SAMPLE_SIZE&&(this.size+=4),this.flags&l.TFHD_FLAG_SAMPLE_FLAGS&&(this.size+=4),this.writeHeader(t),t.writeUint32(this.track_id),this.flags&l.TFHD_FLAG_BASE_DATA_OFFSET&&t.writeUint64(this.base_data_offset),this.flags&l.TFHD_FLAG_SAMPLE_DESC&&t.writeUint32(this.default_sample_description_index),this.flags&l.TFHD_FLAG_SAMPLE_DUR&&t.writeUint32(this.default_sample_duration),this.flags&l.TFHD_FLAG_SAMPLE_SIZE&&t.writeUint32(this.default_sample_size),this.flags&l.TFHD_FLAG_SAMPLE_FLAGS&&t.writeUint32(this.default_sample_flags)},l.tkhdBox.prototype.write=function(t){this.version=0,this.size=80,this.writeHeader(t),t.writeUint32(this.creation_time),t.writeUint32(this.modification_time),t.writeUint32(this.track_id),t.writeUint32(0),t.writeUint32(this.duration),t.writeUint32(0),t.writeUint32(0),t.writeInt16(this.layer),t.writeInt16(this.alternate_group),t.writeInt16(this.volume<<8),t.writeUint16(0),t.writeInt32Array(this.matrix),t.writeUint32(this.width),t.writeUint32(this.height)},l.trexBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=20,this.writeHeader(t),t.writeUint32(this.track_id),t.writeUint32(this.default_sample_description_index),t.writeUint32(this.default_sample_duration),t.writeUint32(this.default_sample_size),t.writeUint32(this.default_sample_flags)},l.trunBox.prototype.write=function(t){this.version=0,this.size=4,this.flags&l.TRUN_FLAGS_DATA_OFFSET&&(this.size+=4),this.flags&l.TRUN_FLAGS_FIRST_FLAG&&(this.size+=4),this.flags&l.TRUN_FLAGS_DURATION&&(this.size+=4*this.sample_duration.length),this.flags&l.TRUN_FLAGS_SIZE&&(this.size+=4*this.sample_size.length),this.flags&l.TRUN_FLAGS_FLAGS&&(this.size+=4*this.sample_flags.length),this.flags&l.TRUN_FLAGS_CTS_OFFSET&&(this.size+=4*this.sample_composition_time_offset.length),this.writeHeader(t),t.writeUint32(this.sample_count),this.flags&l.TRUN_FLAGS_DATA_OFFSET&&(this.data_offset_position=t.getPosition(),t.writeInt32(this.data_offset)),this.flags&l.TRUN_FLAGS_FIRST_FLAG&&t.writeUint32(this.first_sample_flags);for(var e=0;e<this.sample_count;e++)this.flags&l.TRUN_FLAGS_DURATION&&t.writeUint32(this.sample_duration[e]),this.flags&l.TRUN_FLAGS_SIZE&&t.writeUint32(this.sample_size[e]),this.flags&l.TRUN_FLAGS_FLAGS&&t.writeUint32(this.sample_flags[e]),this.flags&l.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?t.writeUint32(this.sample_composition_time_offset[e]):t.writeInt32(this.sample_composition_time_offset[e]))},l["url Box"].prototype.write=function(t){this.version=0,this.location?(this.flags=0,this.size=this.location.length+1):(this.flags=1,this.size=0),this.writeHeader(t),this.location&&t.writeCString(this.location)},l["urn Box"].prototype.write=function(t){this.version=0,this.flags=0,this.size=this.name.length+1+(this.location?this.location.length+1:0),this.writeHeader(t),t.writeCString(this.name),this.location&&t.writeCString(this.location)},l.vmhdBox.prototype.write=function(t){this.version=0,this.flags=1,this.size=8,this.writeHeader(t),t.writeUint16(this.graphicsmode),t.writeUint16Array(this.opcolor)},l.cttsBox.prototype.unpack=function(t){var e,i,s;for(e=s=0;e<this.sample_counts.length;e++)for(i=0;i<this.sample_counts[e];i++)t[s].pts=t[s].dts+this.sample_offsets[e],s++},l.sttsBox.prototype.unpack=function(t){var e,i,s;for(e=s=0;e<this.sample_counts.length;e++)for(i=0;i<this.sample_counts[e];i++)t[s].dts=0===s?0:t[s-1].dts+this.sample_deltas[e],s++},l.stcoBox.prototype.unpack=function(t){var e;for(e=0;e<this.chunk_offsets.length;e++)t[e].offset=this.chunk_offsets[e]},l.stscBox.prototype.unpack=function(t){var e,i,s,r,n;for(e=n=r=0;e<this.first_chunk.length;e++)for(i=0;i<(e+1<this.first_chunk.length?this.first_chunk[e+1]:1/0);i++)for(n++,s=0;s<this.samples_per_chunk[e];s++){if(!t[r])return;t[r].description_index=this.sample_description_index[e],t[r].chunk_index=n,r++}},l.stszBox.prototype.unpack=function(t){var e;for(e=0;e<this.sample_sizes.length;e++)t[e].size=this.sample_sizes[e]},l.DIFF_BOXES_PROP_NAMES=["boxes","entries","references","subsamples","items","item_infos","extents","associations","subsegments","ranges","seekLists","seekPoints","esd","levels"],l.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"],l.boxEqualFields=function(t,e){if(t&&!e)return!1;var i;for(i in t)if(!(-1<l.DIFF_BOXES_PROP_NAMES.indexOf(i)||t[i]instanceof l.Box||e[i]instanceof l.Box||void 0===t[i]||void 0===e[i]||"function"==typeof t[i]||"function"==typeof e[i]||t.subBoxNames&&-1<t.subBoxNames.indexOf(i.slice(0,4))||e.subBoxNames&&-1<e.subBoxNames.indexOf(i.slice(0,4))||"data"===i||"start"===i||"size"===i||"creation_time"===i||"modification_time"===i||-1<l.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(i)||t[i]===e[i]))return!1;return!0},l.boxEqual=function(t,e){if(!l.boxEqualFields(t,e))return!1;for(var i=0;i<l.DIFF_BOXES_PROP_NAMES.length;i++){var s=l.DIFF_BOXES_PROP_NAMES[i];if(t[s]&&e[s]&&!l.boxEqual(t[s],e[s]))return!1}return!0};var f=function(){};f.prototype.parseSample=function(t){var e,i,s=new a(t.buffer);for(e=[];!s.isEos();)(i=l.parseOneBox(s,!1)).code===l.OK&&"vttc"===i.box.type&&e.push(i.box);return e},f.prototype.getText=function(t,e,i){function s(t,e,i){return i=i||"0",(t+="").length>=e?t:new Array(e-t.length+1).join(i)+t}function r(t){var e=Math.floor(t/3600),i=Math.floor((t-3600*e)/60),r=Math.floor(t-3600*e-60*i),n=Math.floor(1e3*(t-3600*e-60*i-r));return s(e,2)+":"+s(i,2)+":"+s(r,2)+"."+s(n,3)}for(var n=this.parseSample(i),a="",o=0;o<n.length;o++){var h=n[o];a+=r(t)+" --\x3e "+r(e)+"\r\n",a+=h.payl.text}return a};var u=function(){};u.prototype.parseSample=function(t){var e,i={resources:[]},s=new a(t.data.buffer);if(t.subsamples&&0!==t.subsamples.length){if(i.documentString=s.readString(t.subsamples[0].size),1<t.subsamples.length)for(e=1;e<t.subsamples.length;e++)i.resources[e]=s.readUint8Array(t.subsamples[e].size)}else i.documentString=s.readString(t.data.length);return"undefined"!=typeof DOMParser&&(i.document=(new DOMParser).parseFromString(i.documentString,"application/xml")),i};var c=function(){};c.prototype.parseSample=function(t){return new a(t.data.buffer).readString(t.data.length)},c.prototype.parseConfig=function(t){var e=new a(t.buffer);return e.readUint32(),e.readCString()},e.XMLSubtitlein4Parser=u,e.Textin4Parser=c;var _=function(t){this.stream=t||new d,this.boxes=[],this.mdats=[],this.moofs=[],this.isProgressive=!1,this.moovStartFound=!1,this.onMoovStart=null,this.moovStartSent=!1,this.onReady=null,this.readySent=!1,this.onSegment=null,this.onSamples=null,this.onError=null,this.sampleListBuilt=!1,this.fragmentedTracks=[],this.extractedTracks=[],this.isFragmentationInitialized=!1,this.sampleProcessingStarted=!1,this.nextMoofNumber=0,this.itemListBuilt=!1,this.onSidx=null,this.sidxSent=!1};_.prototype.setSegmentOptions=function(t,e,i){var s=this.getTrackById(t);if(s){var r={};this.fragmentedTracks.push(r),r.id=t,r.user=e,(r.trak=s).nextSample=0,r.segmentStream=null,r.nb_samples=1e3,r.rapAlignement=!0,i&&(i.nbSamples&&(r.nb_samples=i.nbSamples),i.rapAlignement&&(r.rapAlignement=i.rapAlignement))}},_.prototype.unsetSegmentOptions=function(t){for(var e=-1,i=0;i<this.fragmentedTracks.length;i++)this.fragmentedTracks[i].id==t&&(e=i);-1<e&&this.fragmentedTracks.splice(e,1)},_.prototype.setExtractionOptions=function(t,e,i){var s=this.getTrackById(t);if(s){var r={};this.extractedTracks.push(r),r.id=t,r.user=e,(r.trak=s).nextSample=0,r.nb_samples=1e3,r.samples=[],i&&i.nbSamples&&(r.nb_samples=i.nbSamples)}},_.prototype.unsetExtractionOptions=function(t){for(var e=-1,i=0;i<this.extractedTracks.length;i++)this.extractedTracks[i].id==t&&(e=i);-1<e&&this.extractedTracks.splice(e,1)},_.prototype.parse=function(){var t,e;if(!this.restoreParsePosition||this.restoreParsePosition())for(;;){if(this.hasIncompleteMdat&&this.hasIncompleteMdat()){if(this.processIncompleteMdat())continue;return}if(this.saveParsePosition&&this.saveParsePosition(),(t=l.parseOneBox(this.stream,!1)).code===l.ERR_NOT_ENOUGH_DATA){if(this.processIncompleteBox){if(this.processIncompleteBox(t))continue;return}return}var i;switch(i="uuid"!==(e=t.box).type?e.type:e.uuid,this.boxes.push(e),i){case"mdat":this.mdats.push(e);break;case"moof":this.moofs.push(e);break;case"moov":this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0);default:void 0!==this[i]&&n.warn("ISOFile","Duplicate Box of type: "+i+", overriding previous occurrence"),this[i]=e}this.updateUsedBytes&&this.updateUsedBytes(e,t)}},_.prototype.checkBuffer=function(t){if(null==t)throw"Buffer must be defined and non empty";if(void 0===t.fileStart)throw"Buffer must have a fileStart property";return 0===t.byteLength?(n.warn("ISOFile","Ignoring empty buffer (fileStart: "+t.fileStart+")"),this.stream.logBufferLevel(),!1):(n.info("ISOFile","Processing buffer (fileStart: "+t.fileStart+")"),t.usedBytes=0,this.stream.insertBuffer(t),this.stream.logBufferLevel(),!!this.stream.initialized()||(n.warn("ISOFile","Not ready to start parsing"),!1))},_.prototype.appendBuffer=function(t,e){var i;if(this.checkBuffer(t))return this.parse(),this.moovStartFound&&!this.moovStartSent&&(this.moovStartSent=!0,this.onMoovStart&&this.onMoovStart()),this.moov?(this.sampleListBuilt||(this.buildSampleLists(),this.sampleListBuilt=!0),this.updateSampleLists(),this.onReady&&!this.readySent&&(this.readySent=!0,this.onReady(this.getInfo())),this.processSamples(e),this.nextSeekPosition?(i=this.nextSeekPosition,this.nextSeekPosition=void 0):i=this.nextParsePosition,this.stream.getEndFilePositionAfter&&(i=this.stream.getEndFilePositionAfter(i))):i=this.nextParsePosition?this.nextParsePosition:0,this.sidx&&this.onSidx&&!this.sidxSent&&(this.onSidx(this.sidx),this.sidxSent=!0),this.meta&&(this.flattenItemInfo&&!this.itemListBuilt&&(this.flattenItemInfo(),this.itemListBuilt=!0),this.processItems&&this.processItems(this.onItem)),this.stream.cleanBuffers&&(n.info("ISOFile","Done processing buffer (fileStart: "+t.fileStart+") - next buffer to fetch should have a fileStart position of "+i),this.stream.logBufferLevel(),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0),n.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),i},_.prototype.getInfo=function(){var t,e,i,s,r,n={},a=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(a+1e3*this.moov.mvhd.creation_time),n.modified=new Date(a+1e3*this.moov.mvhd.modification_time),n.tracks=[],n.audioTracks=[],n.videoTracks=[],n.subtitleTracks=[],n.metadataTracks=[],n.hintTracks=[],n.otherTracks=[],t=0;t<this.moov.traks.length;t++){if(r=(i=this.moov.traks[t]).mdia.minf.stbl.stsd.entries[0],s={},n.tracks.push(s),s.id=i.tkhd.track_id,s.name=i.mdia.hdlr.name,s.references=[],i.tref)for(e=0;e<i.tref.boxes.length;e++)ref={},s.references.push(ref),ref.type=i.tref.boxes[e].type,ref.track_ids=i.tref.boxes[e].track_ids;i.edts&&(s.edits=i.edts.elst.entries),s.created=new Date(a+1e3*i.tkhd.creation_time),s.modified=new Date(a+1e3*i.tkhd.modification_time),s.movie_duration=i.tkhd.duration,s.movie_timescale=n.timescale,s.layer=i.tkhd.layer,s.alternate_group=i.tkhd.alternate_group,s.volume=i.tkhd.volume,s.matrix=i.tkhd.matrix,s.track_width=i.tkhd.width/65536,s.track_height=i.tkhd.height/65536,s.timescale=i.mdia.mdhd.timescale,s.cts_shift=i.mdia.minf.stbl.cslg,s.duration=i.mdia.mdhd.duration,s.samples_duration=i.samples_duration,s.codec=r.getCodec(),s.kind=i.udta&&i.udta.kinds.length?i.udta.kinds[0]:{schemeURI:"",value:""},s.language=i.mdia.elng?i.mdia.elng.extended_language:i.mdia.mdhd.languageString,s.nb_samples=i.samples.length,s.size=i.samples_size,s.bitrate=8*s.size*s.timescale/s.samples_duration,r.isAudio()?(s.type="audio",n.audioTracks.push(s),s.audio={},s.audio.sample_rate=r.getSampleRate(),s.audio.channel_count=r.getChannelCount(),s.audio.sample_size=r.getSampleSize()):r.isVideo()?(s.type="video",n.videoTracks.push(s),s.video={},s.video.width=r.getWidth(),s.video.height=r.getHeight()):r.isSubtitle()?(s.type="subtitles",n.subtitleTracks.push(s)):r.isHint()?(s.type="metadata",n.hintTracks.push(s)):r.isMetadata()?(s.type="metadata",n.metadataTracks.push(s)):(s.type="metadata",n.otherTracks.push(s))}else n.hasMoov=!1;if(n.mime="",n.hasMoov&&n.tracks){for(n.videoTracks&&0<n.videoTracks.length?n.mime+='video/mp4; codecs="':n.audioTracks&&0<n.audioTracks.length?n.mime+='audio/mp4; codecs="':n.mime+='application/mp4; codecs="',t=0;t<n.tracks.length;t++)0!==t&&(n.mime+=","),n.mime+=n.tracks[t].codec;n.mime+='"; profiles="',n.mime+=this.ftyp.compatible_brands.join(),n.mime+='"'}return n},_.prototype.processSamples=function(t){var e,i;if(this.sampleProcessingStarted){if(this.isFragmentationInitialized&&null!==this.onSegment)for(e=0;e<this.fragmentedTracks.length;e++){var s=this.fragmentedTracks[e];for(i=s.trak;i.nextSample<i.samples.length&&this.sampleProcessingStarted;){n.debug("ISOFile","Creating media fragment on track #"+s.id+" for sample "+i.nextSample);var r=this.createFragment(s.id,i.nextSample,s.segmentStream);if(!r)break;if(s.segmentStream=r,i.nextSample++,(i.nextSample%s.nb_samples==0||t&&i.nextSample>=i.samples.length)&&(n.info("ISOFile","Sending fragmented data on track #"+s.id+" for samples ["+Math.max(0,i.nextSample-s.nb_samples)+","+(i.nextSample-1)+"]"),n.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(s.id,s.user,s.segmentStream.buffer,i.nextSample,t&&i.nextSample>=i.samples.length),s.segmentStream=null,s!==this.fragmentedTracks[e]))break}}if(null!==this.onSamples)for(e=0;e<this.extractedTracks.length;e++){var a=this.extractedTracks[e];for(i=a.trak;i.nextSample<i.samples.length&&this.sampleProcessingStarted;){n.debug("ISOFile","Exporting on track #"+a.id+" sample #"+i.nextSample);var o=this.getSample(i,i.nextSample);if(!o)break;if(i.nextSample++,a.samples.push(o),(i.nextSample%a.nb_samples==0||i.nextSample>=i.samples.length)&&(n.debug("ISOFile","Sending samples on track #"+a.id+" for sample "+i.nextSample),this.onSamples&&this.onSamples(a.id,a.user,a.samples),a.samples=[],a!==this.extractedTracks[e]))break}}}},_.prototype.getBox=function(t){var e=this.getBoxes(t,!0);return e.length?e[0]:null},_.prototype.getBoxes=function(t,e){var i=[];return _._sweep.call(this,t,i,e),i},_._sweep=function(t,e,i){for(var s in this.type&&this.type==t&&e.push(this),this.boxes){if(e.length&&i)return;_._sweep.call(this.boxes[s],t,e,i)}},_.prototype.getTrackSamplesInfo=function(t){var e=this.getTrackById(t);return e?e.samples:void 0},_.prototype.getTrackSample=function(t,e){var i=this.getTrackById(t);return this.getSample(i,e)},_.prototype.releaseUsedSamples=function(t,e){var i=0,s=this.getTrackById(t);s.lastValidSample||(s.lastValidSample=0);for(var r=s.lastValidSample;r<e;r++)i+=this.releaseSample(s,r);n.info("ISOFile","Track #"+t+" released samples up to "+e+" (released size: "+i+", remaining: "+this.samplesDataSize+")"),s.lastValidSample=e},_.prototype.start=function(){this.sampleProcessingStarted=!0,this.processSamples(!1)},_.prototype.stop=function(){this.sampleProcessingStarted=!1},_.prototype.flush=function(){n.info("ISOFile","Flushing remaining samples"),this.updateSampleLists(),this.processSamples(!0),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0)},_.prototype.seekTrack=function(t,e,i){var s,r,a,o,h=0,d=0;if(0===i.samples.length)return n.info("ISOFile","No sample in track, cannot seek! Using time "+n.getDurationString(0,1)+" and offset: 0"),{offset:0,time:0};for(s=0;s<i.samples.length;s++){if(r=i.samples[s],0===s)d=0,o=r.timescale;else if(r.cts>t*r.timescale){d=s-1;break}e&&r.is_sync&&(h=s)}for(e&&(d=h),t=i.samples[d].cts,i.nextSample=d;i.samples[d].alreadyRead===i.samples[d].size&&i.samples[d+1];)d++;return a=i.samples[d].offset+i.samples[d].alreadyRead,n.info("ISOFile","Seeking to "+(e?"RAP":"")+" sample #"+i.nextSample+" on track "+i.tkhd.track_id+", time "+n.getDurationString(t,o)+" and offset: "+a),{offset:a,time:t/o}},_.prototype.seek=function(t,e){var i,s,r,a=this.moov,o={offset:1/0,time:1/0};if(this.moov){for(r=0;r<a.traks.length;r++)i=a.traks[r],(s=this.seekTrack(t,e,i)).offset<o.offset&&(o.offset=s.offset),s.time<o.time&&(o.time=s.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!"},_.prototype.equal=function(t){for(var e=0;e<this.boxes.length&&e<t.boxes.length;){var i=this.boxes[e],s=t.boxes[e];if(!l.boxEqual(i,s))return!1;e++}return!0},e.ISOFile=_,_.prototype.lastBoxStartPosition=0,_.prototype.parsingMdat=null,_.prototype.nextParsePosition=0,_.prototype.discardMdatData=!1,_.prototype.processIncompleteBox=function(t){var e;return"mdat"===t.type?(e=new l[t.type+"Box"](t.size),this.parsingMdat=e,this.boxes.push(e),this.mdats.push(e),e.start=t.start,e.hdr_size=t.hdr_size,this.stream.addUsedBytes(e.hdr_size),this.lastBoxStartPosition=e.start+e.size,this.stream.seek(e.start+e.size,!1,this.discardMdatData)?!(this.parsingMdat=null):(this.moovStartFound?this.nextParsePosition=this.stream.findEndContiguousBuf():this.nextParsePosition=e.start+e.size,!1)):("moov"===t.type&&(this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0)),this.stream.mergeNextBuffer&&this.stream.mergeNextBuffer()?(this.nextParsePosition=this.stream.getEndPosition(),!0):(t.type?this.moovStartFound?this.nextParsePosition=this.stream.getEndPosition():this.nextParsePosition=this.stream.getPosition()+t.size:this.nextParsePosition=this.stream.getEndPosition(),!1))},_.prototype.hasIncompleteMdat=function(){return null!==this.parsingMdat},_.prototype.processIncompleteMdat=function(){var t;return t=this.parsingMdat,this.stream.seek(t.start+t.size,!1,this.discardMdatData)?(n.debug("ISOFile","Found 'mdat' end in buffered data"),!(this.parsingMdat=null)):(this.nextParsePosition=this.stream.findEndContiguousBuf(),!1)},_.prototype.restoreParsePosition=function(){return this.stream.seek(this.lastBoxStartPosition,!0,this.discardMdatData)},_.prototype.saveParsePosition=function(){this.lastBoxStartPosition=this.stream.getPosition()},_.prototype.updateUsedBytes=function(t,e){this.stream.addUsedBytes&&("mdat"===t.type?(this.stream.addUsedBytes(t.hdr_size),this.discardMdatData&&this.stream.addUsedBytes(t.size-t.hdr_size)):this.stream.addUsedBytes(t.size))},_.prototype.add=l.Box.prototype.add,_.prototype.addBox=l.Box.prototype.addBox,_.prototype.init=function(t){var e=t||{},i=(this.add("ftyp").set("major_brand",e.brands&&e.brands[0]||"iso4").set("minor_version",0).set("compatible_brands",e.brands||["iso4"]),this.add("moov"));return i.add("mvhd").set("timescale",e.timescale||600).set("rate",e.rate||1).set("creation_time",0).set("modification_time",0).set("duration",e.duration||0).set("volume",1).set("matrix",[0,0,0,0,0,0,0,0,0]).set("next_track_id",1),i.add("mvex"),this},_.prototype.addTrack=function(t){this.moov||this.init(t);var e=t||{};e.width=e.width||320,e.height=e.height||320,e.id=e.id||this.moov.mvhd.next_track_id,e.type=e.type||"avc1";var i=this.moov.add("trak");this.moov.mvhd.next_track_id=e.id+1,i.add("tkhd").set("flags",l.TKHD_FLAG_ENABLED|l.TKHD_FLAG_IN_MOVIE|l.TKHD_FLAG_IN_PREVIEW).set("creation_time",0).set("modification_time",0).set("track_id",e.id).set("duration",e.duration||0).set("layer",e.layer||0).set("alternate_group",0).set("volume",1).set("matrix",[0,0,0,0,0,0,0,0,0]).set("width",e.width).set("height",e.height);var s=i.add("mdia");s.add("mdhd").set("creation_time",0).set("modification_time",0).set("timescale",e.timescale||1).set("duration",e.media_duration||0).set("language",e.language||0),s.add("hdlr").set("handler",e.hdlr||"vide").set("name",e.name||"Track created with MP4Box.js"),s.add("elng").set("extended_language",e.language||"fr-FR");var r=s.add("minf");if(void 0!==l[e.type+"SampleEntry"]){var n=new l[e.type+"SampleEntry"];n.data_reference_index=1;var a="";for(var o in l.sampleEntryCodes)for(var h=l.sampleEntryCodes[o],d=0;d<h.length;d++)if(-1<h.indexOf(e.type)){a=o;break}switch(a){case"Visual":r.add("vmhd").set("graphicsmode",0).set("opcolor",[0,0,0]),n.set("width",e.width).set("height",e.height).set("horizresolution",72<<16).set("vertresolution",72<<16).set("frame_count",1).set("compressorname",e.type+" Compressor").set("depth",24);break;case"Audio":r.add("smhd").set("balance",e.balance||0),n.set("channel_count",e.channel_count||2).set("samplesize",e.samplesize||16).set("samplerate",e.samplerate||65536);break;case"Hint":r.add("hmhd");break;case"Subtitle":switch(r.add("sthd"),e.type){case"stpp":n.set("namespace",e.namespace||"nonamespace").set("schema_location",e.schema_location||"").set("auxiliary_mime_types",e.auxiliary_mime_types||"")}break;case"Metadata":case"System":default:r.add("nmhd")}e.description&&n.addBox(e.description),r.add("dinf").add("dref").addEntry((new l["url Box"]).set("flags",1));var p=r.add("stbl");return p.add("stsd").addEntry(n),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",e.id).set("default_sample_description_index",e.default_sample_description_index||1).set("default_sample_duration",e.default_sample_duration||0).set("default_sample_size",e.default_sample_size||0).set("default_sample_flags",e.default_sample_flags||0),this.buildTrakSampleLists(i),e.id}},l.Box.prototype.computeSize=function(t){var e=t||new o;e.endianness=o.BIG_ENDIAN,this.write(e)},_.prototype.addSample=function(t,e,i){var s=i||{},r={},n=this.getTrackById(t);if(null!==n){r.number=n.samples.length,r.track_id=n.tkhd.track_id,r.timescale=n.mdia.mdhd.timescale,r.description_index=s.sample_description_index?s.sample_description_index-1:0,r.description=n.mdia.minf.stbl.stsd.entries[r.description_index],r.data=e,r.size=e.length,r.alreadyRead=r.size,r.duration=s.duration||1,r.cts=s.cts||0,r.dts=s.dts||0,r.is_sync=s.is_sync||!1,r.is_leading=s.is_leading||0,r.depends_on=s.depends_on||0,r.is_depended_on=s.is_depended_on||0,r.has_redundancy=s.has_redundancy||0,r.degradation_priority=s.degradation_priority||0,r.offset=0,r.subsamples=s.subsamples,n.samples.push(r),n.samples_size+=r.size,n.samples_duration+=r.duration,this.processSamples();var a=_.createSingleSampleMoof(r);return this.addBox(a),a.computeSize(),a.trafs[0].truns[0].data_offset=a.size+8,this.add("mdat").data=e,r}},_.createSingleSampleMoof=function(t){var e=new l.moofBox;e.add("mfhd").set("sequence_number",this.nextMoofNumber),this.nextMoofNumber++;var i=e.add("traf");return i.add("tfhd").set("track_id",t.track_id).set("flags",l.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),i.add("tfdt").set("baseMediaDecodeTime",t.dts),i.add("trun").set("flags",l.TRUN_FLAGS_DATA_OFFSET|l.TRUN_FLAGS_DURATION|l.TRUN_FLAGS_SIZE|l.TRUN_FLAGS_FLAGS|l.TRUN_FLAGS_CTS_OFFSET).set("data_offset",0).set("first_sample_flags",0).set("sample_count",1).set("sample_duration",[t.duration]).set("sample_size",[t.size]).set("sample_flags",[0]).set("sample_composition_time_offset",[t.cts-t.dts]),e},_.prototype.lastMoofIndex=0,_.prototype.samplesDataSize=0,_.prototype.resetTables=function(){var t,e,i,s,r,n;for(this.initial_duration=this.moov.mvhd.duration,t=this.moov.mvhd.duration=0;t<this.moov.traks.length;t++){(e=this.moov.traks[t]).tkhd.duration=0,e.mdia.mdhd.duration=0,(e.mdia.minf.stbl.stco||e.mdia.minf.stbl.co64).chunk_offsets=[],(i=e.mdia.minf.stbl.stsc).first_chunk=[],i.samples_per_chunk=[],i.sample_description_index=[],(e.mdia.minf.stbl.stsz||e.mdia.minf.stbl.stz2).sample_sizes=[],(s=e.mdia.minf.stbl.stts).sample_counts=[],s.sample_deltas=[],(r=e.mdia.minf.stbl.ctts)&&(r.sample_counts=[],r.sample_offsets=[]),n=e.mdia.minf.stbl.stss;var a=e.mdia.minf.stbl.boxes.indexOf(n);-1!=a&&(e.mdia.minf.stbl.boxes[a]=null)}},_.initSampleGroups=function(t,e,i,s,r){var n,a,o,h;function d(t,e,i){this.grouping_type=t,this.grouping_type_parameter=e,this.sbgp=i,this.last_sample_in_run=-1,this.entry_index=-1}for(e&&(e.sample_groups_info=[]),t.sample_groups_info||(t.sample_groups_info=[]),a=0;a<i.length;a++){for(h=i[a].grouping_type+"/"+i[a].grouping_type_parameter,o=new d(i[a].grouping_type,i[a].grouping_type_parameter,i[a]),e&&(e.sample_groups_info[h]=o),t.sample_groups_info[h]||(t.sample_groups_info[h]=o),n=0;n<s.length;n++)s[n].grouping_type===i[a].grouping_type&&(o.description=s[n],o.description.used=!0);if(r)for(n=0;n<r.length;n++)r[n].grouping_type===i[a].grouping_type&&(o.fragment_description=r[n],o.fragment_description.used=!0,o.is_fragment=!0)}if(e){if(r)for(a=0;a<r.length;a++)!r[a].used&&2<=r[a].version&&(h=r[a].grouping_type+"/0",(o=new d(r[a].grouping_type,0)).is_fragment=!0,e.sample_groups_info[h]||(e.sample_groups_info[h]=o))}else for(a=0;a<s.length;a++)!s[a].used&&2<=s[a].version&&(h=s[a].grouping_type+"/0",o=new d(s[a].grouping_type,0),t.sample_groups_info[h]||(t.sample_groups_info[h]=o))},_.setSampleGroupProperties=function(t,e,i,s){var r,n;for(r in e.sample_groups=[],s){var a;e.sample_groups[r]={},e.sample_groups[r].grouping_type=s[r].grouping_type,e.sample_groups[r].grouping_type_parameter=s[r].grouping_type_parameter,i>=s[r].last_sample_in_run&&(s[r].last_sample_in_run<0&&(s[r].last_sample_in_run=0),s[r].entry_index++,s[r].entry_index<=s[r].sbgp.entries.length-1&&(s[r].last_sample_in_run+=s[r].sbgp.entries[s[r].entry_index].sample_count)),s[r].entry_index<=s[r].sbgp.entries.length-1?e.sample_groups[r].group_description_index=s[r].sbgp.entries[s[r].entry_index].group_description_index:e.sample_groups[r].group_description_index=-1,0!==e.sample_groups[r].group_description_index&&(a=s[r].fragment_description?s[r].fragment_description:s[r].description,0<e.sample_groups[r].group_description_index?(n=65535<e.sample_groups[r].group_description_index?(e.sample_groups[r].group_description_index>>16)-1:e.sample_groups[r].group_description_index-1,a&&0<=n&&(e.sample_groups[r].description=a.entries[n])):a&&2<=a.version&&0<a.default_group_description_index&&(e.sample_groups[r].description=a.entries[a.default_group_description_index-1]))}},_.process_sdtp=function(t,e,i){e&&(t?(e.is_leading=t.is_leading[i],e.depends_on=t.sample_depends_on[i],e.is_depended_on=t.sample_is_depended_on[i],e.has_redundancy=t.sample_has_redundancy[i]):(e.is_leading=0,e.depends_on=0,e.is_depended_on=0,e.has_redundancy=0))},_.prototype.buildSampleLists=function(){var t;for(t=0;t<this.moov.traks.length;t++)trak=this.moov.traks[t],this.buildTrakSampleLists(trak)},_.prototype.buildTrakSampleLists=function(t){var e,i,s,r,n,a,o,h,d,p,l,f,u,c,m,g,y,U,S,b,v,x,w,E;if(t.samples=[],t.samples_duration=0,t.samples_size=0,i=t.mdia.minf.stbl.stco||t.mdia.minf.stbl.co64,s=t.mdia.minf.stbl.stsc,r=t.mdia.minf.stbl.stsz||t.mdia.minf.stbl.stz2,n=t.mdia.minf.stbl.stts,a=t.mdia.minf.stbl.ctts,o=t.mdia.minf.stbl.stss,h=t.mdia.minf.stbl.stsd,d=t.mdia.minf.stbl.subs,f=t.mdia.minf.stbl.stdp,p=t.mdia.minf.stbl.sbgps,l=t.mdia.minf.stbl.sgpds,v=b=S=U=-1,E=w=x=0,_.initSampleGroups(t,null,p,l),void 0!==r){for(e=0;e<r.sample_sizes.length;e++){var B={};B.number=e,B.track_id=t.tkhd.track_id,B.timescale=t.mdia.mdhd.timescale,B.alreadyRead=0,(t.samples[e]=B).size=r.sample_sizes[e],t.samples_size+=B.size,0===e?(c=1,u=0,B.chunk_index=c,B.chunk_run_index=u,y=s.samples_per_chunk[u],g=0,m=u+1<s.first_chunk.length?s.first_chunk[u+1]-1:1/0):e<y?(B.chunk_index=c,B.chunk_run_index=u):(c++,g=0,(B.chunk_index=c)<=m||(m=1+ ++u<s.first_chunk.length?s.first_chunk[u+1]-1:1/0),B.chunk_run_index=u,y+=s.samples_per_chunk[u]),B.description_index=s.sample_description_index[B.chunk_run_index]-1,B.description=h.entries[B.description_index],B.offset=i.chunk_offsets[B.chunk_index-1]+g,g+=B.size,U<e&&(S++,U<0&&(U=0),U+=n.sample_counts[S]),0<e?(t.samples[e-1].duration=n.sample_deltas[S],t.samples_duration+=t.samples[e-1].duration,B.dts=t.samples[e-1].dts+t.samples[e-1].duration):B.dts=0,a?(b<=e&&(v++,b<0&&(b=0),b+=a.sample_counts[v]),B.cts=t.samples[e].dts+a.sample_offsets[v]):B.cts=B.dts,o?(e==o.sample_numbers[x]-1?(B.is_sync=!0,x++):(B.is_sync=!1,B.degradation_priority=0),d&&d.entries[w].sample_delta+E==e+1&&(B.subsamples=d.entries[w].subsamples,E+=d.entries[w].sample_delta,w++)):B.is_sync=!0,_.process_sdtp(t.mdia.minf.stbl.sdtp,B,B.number),B.degradation_priority=f?f.priority[e]:0,d&&d.entries[w].sample_delta+E==e&&(B.subsamples=d.entries[w].subsamples,E+=d.entries[w].sample_delta),(0<p.length||0<l.length)&&_.setSampleGroupProperties(t,B,e,t.sample_groups_info)}0<e&&(t.samples[e-1].duration=Math.max(t.mdia.mdhd.duration-t.samples[e-1].dts,0),t.samples_duration+=t.samples[e-1].duration)}},_.prototype.updateSampleLists=function(){var t,e,i,s,r,n,a,o,h,d,p,f,u,c,m;if(void 0!==this.moov)for(;this.lastMoofIndex<this.moofs.length;)if(h=this.moofs[this.lastMoofIndex],this.lastMoofIndex++,"moof"==h.type)for(d=h,t=0;t<d.trafs.length;t++){for(p=d.trafs[t],f=this.getTrackById(p.tfhd.track_id),u=this.getTrexById(p.tfhd.track_id),s=p.tfhd.flags&l.TFHD_FLAG_SAMPLE_DESC?p.tfhd.default_sample_description_index:u?u.default_sample_description_index:1,r=p.tfhd.flags&l.TFHD_FLAG_SAMPLE_DUR?p.tfhd.default_sample_duration:u?u.default_sample_duration:0,n=p.tfhd.flags&l.TFHD_FLAG_SAMPLE_SIZE?p.tfhd.default_sample_size:u?u.default_sample_size:0,a=p.tfhd.flags&l.TFHD_FLAG_SAMPLE_FLAGS?p.tfhd.default_sample_flags:u?u.default_sample_flags:0,(p.sample_number=0)<p.sbgps.length&&_.initSampleGroups(f,p,p.sbgps,f.mdia.minf.stbl.sgpds,p.sgpds),e=0;e<p.truns.length;e++){var g=p.truns[e];for(i=0;i<g.sample_count;i++){(c={}).number_in_traf=p.sample_number,p.sample_number++,c.number=f.samples.length,p.first_sample_index=f.samples.length,f.samples.push(c),c.track_id=f.tkhd.track_id,c.timescale=f.mdia.mdhd.timescale,c.description_index=s-1,c.description=f.mdia.minf.stbl.stsd.entries[c.description_index],c.size=n,g.flags&l.TRUN_FLAGS_SIZE&&(c.size=g.sample_size[i]),f.samples_size+=c.size,c.duration=r,g.flags&l.TRUN_FLAGS_DURATION&&(c.duration=g.sample_duration[i]),f.samples_duration+=c.duration,f.first_traf_merged||0<i?c.dts=f.samples[f.samples.length-2].dts+f.samples[f.samples.length-2].duration:(p.tfdt?c.dts=p.tfdt.baseMediaDecodeTime:c.dts=0,f.first_traf_merged=!0),c.cts=c.dts,g.flags&l.TRUN_FLAGS_CTS_OFFSET&&(c.cts=c.dts+g.sample_composition_time_offset[i]),m=a,g.flags&l.TRUN_FLAGS_FLAGS?m=g.sample_flags[i]:0===i&&g.flags&l.TRUN_FLAGS_FIRST_FLAG&&(m=g.first_sample_flags),c.is_sync=!(m>>16&1),c.is_leading=m>>26&3,c.depends_on=m>>24&3,c.is_depended_on=m>>22&3,c.has_redundancy=m>>20&3,c.degradation_priority=65535&m;var y,U=!!(p.tfhd.flags&l.TFHD_FLAG_BASE_DATA_OFFSET),S=!!(p.tfhd.flags&l.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),b=!!(g.flags&l.TRUN_FLAGS_DATA_OFFSET);y=U?p.tfhd.base_data_offset:S||0===e?d.start:o,c.offset=0===e&&0===i?b?y+g.data_offset:y:o,o=c.offset+c.size,(0<p.sbgps.length||0<p.sgpds.length||0<f.mdia.minf.stbl.sbgps.length||0<f.mdia.minf.stbl.sgpds.length)&&_.setSampleGroupProperties(f,c,c.number_in_traf,p.sample_groups_info)}}if(p.subs){f.has_fragment_subsamples=!0;var v=p.first_sample_index;for(e=0;e<p.subs.entries.length;e++)v+=p.subs.entries[e].sample_delta,(c=f.samples[v-1]).subsamples=p.subs.entries[e].subsamples}}},_.prototype.getSample=function(t,e){var i,s=t.samples[e];if(!this.moov)return null;if(s.data){if(s.alreadyRead==s.size)return s}else s.data=new Uint8Array(s.size),s.alreadyRead=0,this.samplesDataSize+=s.size,n.debug("ISOFile","Allocating sample #"+e+" on track #"+t.tkhd.track_id+" of size "+s.size+" (total: "+this.samplesDataSize+")");var r=this.stream.findPosition(!0,s.offset+s.alreadyRead,!1);if(-1<r){var a=(i=this.stream.buffers[r]).byteLength-(s.offset+s.alreadyRead-i.fileStart);return s.size-s.alreadyRead<=a?(n.debug("ISOFile","Getting sample #"+e+" data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-i.fileStart)+" read size: "+(s.size-s.alreadyRead)+" full size: "+s.size+")"),o.memcpy(s.data.buffer,s.alreadyRead,i,s.offset+s.alreadyRead-i.fileStart,s.size-s.alreadyRead),i.usedBytes+=s.size-s.alreadyRead,this.stream.logBufferLevel(),s.alreadyRead=s.size,s):(n.debug("ISOFile","Getting sample #"+e+" partial data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-i.fileStart)+" read size: "+a+" full size: "+s.size+")"),o.memcpy(s.data.buffer,s.alreadyRead,i,s.offset+s.alreadyRead-i.fileStart,a),s.alreadyRead+=a,i.usedBytes+=a,this.stream.logBufferLevel(),null)}return null},_.prototype.releaseSample=function(t,e){var i=t.samples[e];return i.data?(this.samplesDataSize-=i.size,i.data=null,i.alreadyRead=0,i.size):0},_.prototype.getAllocatedSampleDataSize=function(){return this.samplesDataSize},_.prototype.getCodecs=function(){var t,e="";for(t=0;t<this.moov.traks.length;t++)0<t&&(e+=","),e+=this.moov.traks[t].mdia.minf.stbl.stsd.entries[0].getCodec();return e},_.prototype.getTrexById=function(t){var e;if(!this.moov||!this.moov.mvex)return null;for(e=0;e<this.moov.mvex.trexs.length;e++){var i=this.moov.mvex.trexs[e];if(i.track_id==t)return i}return null},_.prototype.getTrackById=function(t){if(void 0===this.moov)return null;for(var e=0;e<this.moov.traks.length;e++){var i=this.moov.traks[e];if(i.tkhd.track_id==t)return i}return null},_.prototype.items=[],_.prototype.itemsDataSize=0,_.prototype.flattenItemInfo=function(){var t,e,i,s=this.items,r=this.meta;if(null!=r&&void 0!==r.hdlr&&void 0!==r.iinf){for(t=0;t<r.iinf.item_infos.length;t++)(i={}).id=r.iinf.item_infos[t].item_ID,(s[i.id]=i).ref_to=[],i.name=r.iinf.item_infos[t].item_name,0<r.iinf.item_infos[t].protection_index&&(i.protection=r.ipro.protections[r.iinf.item_infos[t].protection_index-1]),r.iinf.item_infos[t].item_type?i.type=r.iinf.item_infos[t].item_type:i.type="mime",i.content_type=r.iinf.item_infos[t].content_type,i.content_encoding=r.iinf.item_infos[t].content_encoding;if(r.iloc)for(t=0;t<r.iloc.items.length;t++){var a=r.iloc.items[t];switch(i=s[a.item_ID],0!==a.data_reference_index&&(n.warn("Item storage with reference to other files: not supported"),i.source=r.dinf.boxes[a.data_reference_index-1]),a.construction_method){case 0:break;case 1:case 2:n.warn("Item storage with construction_method : not supported")}for(i.extents=[],e=i.size=0;e<a.extents.length;e++)i.extents[e]={},i.extents[e].offset=a.extents[e].extent_offset+a.base_offset,i.extents[e].length=a.extents[e].extent_length,i.extents[e].alreadyRead=0,i.size+=i.extents[e].length}if(r.pitm&&(s[r.pitm.item_id].primary=!0),r.iref)for(t=0;t<r.iref.references.length;t++){var o=r.iref.references[t];for(e=0;e<o.references.length;e++)s[o.from_item_ID].ref_to.push({type:o.type,id:o.references[e]})}if(r.iprp)for(var h=0;h<r.iprp.ipmas.length;h++){var d=r.iprp.ipmas[h];for(t=0;t<d.associations.length;t++){var p=d.associations[t];for(void 0===(i=s[p.id]).properties&&(i.properties={},i.properties.boxes=[]),e=0;e<p.props.length;e++){var l=p.props[e];if(0<l.property_index){var f=r.iprp.ipco.boxes[l.property_index-1];i.properties[f.type]=f,i.properties.boxes.push(f)}}}}}},_.prototype.getItem=function(t){var e,i;if(!this.meta)return null;if(!(i=this.items[t]).data&&i.size)i.data=new Uint8Array(i.size),i.alreadyRead=0,this.itemsDataSize+=i.size,n.debug("ISOFile","Allocating item #"+t+" of size "+i.size+" (total: "+this.itemsDataSize+")");else if(i.alreadyRead===i.size)return i;for(var s=0;s<i.extents.length;s++){var r=i.extents[s];if(r.alreadyRead!==r.length){var a=this.stream.findPosition(!0,r.offset+r.alreadyRead,!1);if(!(-1<a))return null;var h=(e=this.stream.buffers[a]).byteLength-(r.offset+r.alreadyRead-e.fileStart);if(!(r.length-r.alreadyRead<=h))return n.debug("ISOFile","Getting item #"+t+" extent #"+s+" partial data (alreadyRead: "+r.alreadyRead+" offset: "+(r.offset+r.alreadyRead-e.fileStart)+" read size: "+h+" full extent size: "+r.length+" full item size: "+i.size+")"),o.memcpy(i.data.buffer,i.alreadyRead,e,r.offset+r.alreadyRead-e.fileStart,h),r.alreadyRead+=h,i.alreadyRead+=h,e.usedBytes+=h,this.stream.logBufferLevel(),null;n.debug("ISOFile","Getting item #"+t+" extent #"+s+" data (alreadyRead: "+r.alreadyRead+" offset: "+(r.offset+r.alreadyRead-e.fileStart)+" read size: "+(r.length-r.alreadyRead)+" full extent size: "+r.length+" full item size: "+i.size+")"),o.memcpy(i.data.buffer,i.alreadyRead,e,r.offset+r.alreadyRead-e.fileStart,r.length-r.alreadyRead),e.usedBytes+=r.length-r.alreadyRead,this.stream.logBufferLevel(),r.alreadyRead=r.length,i.alreadyRead+=r.length}}return i.alreadyRead===i.size?i:null},_.prototype.releaseItem=function(t){var e=this.items[t];if(e.data){this.itemsDataSize-=e.size,e.data=null;for(var i=e.alreadyRead=0;i<e.extents.length;i++)e.extents[i].alreadyRead=0;return e.size}return 0},_.prototype.processItems=function(t){for(var e in this.items){var i=this.items[e];this.getItem(i.id),t&&!i.sent&&(t(i),i.sent=!0,i.data=null)}},_.prototype.hasItem=function(t){for(var e in this.items){var i=this.items[e];if(i.name===t)return i.id}return-1},_.prototype.getMetaHandler=function(){return this.meta?this.meta.hdlr.handler:null},_.prototype.getPrimaryItem=function(){return this.meta&&this.meta.pitm?this.getItem(this.meta.pitm.item_id):null},_.prototype.write=function(t){for(var e=0;e<this.boxes.length;e++)this.boxes[e].write(t)},_.prototype.createFragment=function(t,e,i){var s=this.getTrackById(t),r=this.getSample(s,e);if(null==r)return r=s.samples[e],this.nextSeekPosition?this.nextSeekPosition=Math.min(r.offset+r.alreadyRead,this.nextSeekPosition):this.nextSeekPosition=s.samples[e].offset+r.alreadyRead,null;var a=i||new o;a.endianness=o.BIG_ENDIAN;var h=_.createSingleSampleMoof(r);h.write(a),h.trafs[0].truns[0].data_offset=h.size+8,n.debug("MP4Box","Adjusting data_offset with new value "+h.trafs[0].truns[0].data_offset),a.adjustUint32(h.trafs[0].truns[0].data_offset_position,h.trafs[0].truns[0].data_offset);var d=new l.mdatBox;return d.data=r.data,d.write(a),a},_.writeInitializationSegment=function(t,e,i,s){var r;n.debug("ISOFile","Generating initialization segment");var a=new o;a.endianness=o.BIG_ENDIAN,t.write(a);var h=e.add("mvex");for(i&&h.add("mehd").set("fragment_duration",i),r=0;r<e.traks.length;r++)h.add("trex").set("track_id",e.traks[r].tkhd.track_id).set("default_sample_description_index",1).set("default_sample_duration",s).set("default_sample_size",0).set("default_sample_flags",65536);return e.write(a),a.buffer},_.prototype.save=function(t){var e=new o;e.endianness=o.BIG_ENDIAN,this.write(e),e.save(t)},_.prototype.getBuffer=function(){var t=new o;return t.endianness=o.BIG_ENDIAN,this.write(t),t.buffer},_.prototype.initializeSegmentation=function(){var t,e,i,s;for(null===this.onSegment&&n.warn("MP4Box","No segmentation callback set!"),this.isFragmentationInitialized||(this.isFragmentationInitialized=!0,this.nextMoofNumber=0,this.resetTables()),e=[],t=0;t<this.fragmentedTracks.length;t++){var r=new l.moovBox;r.mvhd=this.moov.mvhd,r.boxes.push(r.mvhd),i=this.getTrackById(this.fragmentedTracks[t].id),r.boxes.push(i),r.traks.push(i),(s={}).id=i.tkhd.track_id,s.user=this.fragmentedTracks[t].user,s.buffer=_.writeInitializationSegment(this.ftyp,r,this.moov.mvex&&this.moov.mvex.mehd?this.moov.mvex.mehd.fragment_duration:void 0,0<this.moov.traks[t].samples.length?this.moov.traks[t].samples[0].duration:0),e.push(s)}return e},l.Box.prototype.printHeader=function(t){this.size+=8,this.size>h&&(this.size+=8),"uuid"===this.type&&(this.size+=16),t.log(t.indent+"size:"+this.size),t.log(t.indent+"type:"+this.type)},l.FullBox.prototype.printHeader=function(t){this.size+=4,l.Box.prototype.printHeader.call(this,t),t.log(t.indent+"version:"+this.version),t.log(t.indent+"flags:"+this.flags)},l.Box.prototype.print=function(t){this.printHeader(t)},l.ContainerBox.prototype.print=function(t){this.printHeader(t);for(var e=0;e<this.boxes.length;e++)if(this.boxes[e]){var i=t.indent;t.indent+=" ",this.boxes[e].print(t),t.indent=i}},_.prototype.print=function(t){t.indent="";for(var e=0;e<this.boxes.length;e++)this.boxes[e]&&this.boxes[e].print(t)},l.mvhdBox.prototype.print=function(t){l.FullBox.prototype.printHeader.call(this,t),t.log(t.indent+"creation_time: "+this.creation_time),t.log(t.indent+"modification_time: "+this.modification_time),t.log(t.indent+"timescale: "+this.timescale),t.log(t.indent+"duration: "+this.duration),t.log(t.indent+"rate: "+this.rate),t.log(t.indent+"volume: "+(this.volume>>8)),t.log(t.indent+"matrix: "+this.matrix.join(", ")),t.log(t.indent+"next_track_id: "+this.next_track_id)},l.tkhdBox.prototype.print=function(t){l.FullBox.prototype.printHeader.call(this,t),t.log(t.indent+"creation_time: "+this.creation_time),t.log(t.indent+"modification_time: "+this.modification_time),t.log(t.indent+"track_id: "+this.track_id),t.log(t.indent+"duration: "+this.duration),t.log(t.indent+"volume: "+(this.volume>>8)),t.log(t.indent+"matrix: "+this.matrix.join(", ")),t.log(t.indent+"layer: "+this.layer),t.log(t.indent+"alternate_group: "+this.alternate_group),t.log(t.indent+"width: "+this.width),t.log(t.indent+"height: "+this.height)};var m=function(t,e){var i=void 0===t||t,s=new _(e);return s.discardMdatData=!i,s};e.createFile=m}}]); |