/*!
 * artplayer-proxy-webav.js v1.0.0
 * Github: https://github.com/zhw2590582/ArtPlayer
 * (c) 2017-2024 Harvey Zack
 * Released under the MIT License.
 */
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e=this._byteOffset+this.position+t,r=this._buffer.byteLength;if(e<=r){e>this._byteLength&&(this._byteLength=e);return}for(r<1&&(r=1);e>r;)r*=2;var s=new ArrayBuffer(r),n=new Uint8Array(this._buffer);new Uint8Array(s,0,n.length).set(n),this.buffer=s,this._byteLength=e}},h.prototype._trimAlloc=function(){if(this._byteLength!=this._buffer.byteLength){var t=new ArrayBuffer(this._byteLength),e=new Uint8Array(t),r=new Uint8Array(this._buffer,0,e.length);e.set(r),this.buffer=t}},h.BIG_ENDIAN=!1,h.LITTLE_ENDIAN=!0,h.prototype._byteLength=0,Object.defineProperty(h.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}}),Object.defineProperty(h.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(h.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(h.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}}),h.prototype.seek=function(t){var e=Math.max(0,Math.min(this.byteLength,t));this.position=isNaN(e)||!isFinite(e)?0:e},h.prototype.isEof=function(){return this.position>=this._byteLength},h.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},h.prototype.readInt32Array=function(t,e){var r=new Int32Array(t=t??this.byteLength-this.position/4);return h.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,t*r.BYTES_PER_ELEMENT),h.arrayToNative(r,e??this.endianness),this.position+=r.byteLength,r},h.prototype.readInt16Array=function(t,e){var r=new Int16Array(t=t??this.byteLength-this.position/2);return h.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,t*r.BYTES_PER_ELEMENT),h.arrayToNative(r,e??this.endianness),this.position+=r.byteLength,r},h.prototype.readInt8Array=function(t){var e=new Int8Array(t=t??this.byteLength-this.position);return h.memcpy(e.buffer,0,this.buffer,this.byteOffset+this.position,t*e.BYTES_PER_ELEMENT),this.position+=e.byteLength,e},h.prototype.readUint32Array=function(t,e){var r=new Uint32Array(t=t??this.byteLength-this.position/4);return h.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,t*r.BYTES_PER_ELEMENT),h.arrayToNative(r,e??this.endianness),this.position+=r.byteLength,r},h.prototype.readUint16Array=function(t,e){var r=new Uint16Array(t=t??this.byteLength-this.position/2);return h.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,t*r.BYTES_PER_ELEMENT),h.arrayToNative(r,e??this.endianness),this.position+=r.byteLength,r},h.prototype.readUint8Array=function(t){var e=new Uint8Array(t=t??this.byteLength-this.position);return h.memcpy(e.buffer,0,this.buffer,this.byteOffset+this.position,t*e.BYTES_PER_ELEMENT),this.position+=e.byteLength,e},h.prototype.readFloat64Array=function(t,e){var r=new Float64Array(t=t??this.byteLength-this.position/8);return h.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,t*r.BYTES_PER_ELEMENT),h.arrayToNative(r,e??this.endianness),this.position+=r.byteLength,r},h.prototype.readFloat32Array=function(t,e){var r=new Float32Array(t=t??this.byteLength-this.position/4);return h.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,t*r.BYTES_PER_ELEMENT),h.arrayToNative(r,e??this.endianness),this.position+=r.byteLength,r},h.prototype.readInt32=function(t){var e=this._dataView.getInt32(this.position,t??this.endianness);return this.position+=4,e},h.prototype.readInt16=function(t){var e=this._dataView.getInt16(this.position,t??this.endianness);return this.position+=2,e},h.prototype.readInt8=function(){var t=this._dataView.getInt8(this.position);return this.position+=1,t},h.prototype.readUint32=function(t){var e=this._dataView.getUint32(this.position,t??this.endianness);return this.position+=4,e},h.prototype.readUint16=function(t){var e=this._dataView.getUint16(this.position,t??this.endianness);return this.position+=2,e},h.prototype.readUint8=function(){var t=this._dataView.getUint8(this.position);return this.position+=1,t},h.prototype.readFloat32=function(t){var e=this._dataView.getFloat32(this.position,t??this.endianness);return this.position+=4,e},h.prototype.readFloat64=function(t){var e=this._dataView.getFloat64(this.position,t??this.endianness);return this.position+=8,e},h.endianness=new Int8Array(new Int16Array([1]).buffer)[0]>0,h.memcpy=function(t,e,r,s,n){var a=new Uint8Array(t,e,n),o=new Uint8Array(r,s,n);a.set(o)},h.arrayToNative=function(t,e){return e==this.endianness?t:this.flipArrayEndianness(t)},h.nativeToEndian=function(t,e){return this.endianness==e?t:this.flipArrayEndianness(t)},h.flipArrayEndianness=function(t){for(var e=new Uint8Array(t.buffer,t.byteOffset,t.byteLength),r=0;r<t.byteLength;r+=t.BYTES_PER_ELEMENT)for(var s=r+t.BYTES_PER_ELEMENT-1,n=r;s>n;s--,n++){var a=e[n];e[n]=e[s],e[s]=a}return t},h.prototype.failurePosition=0,String.fromCharCodeUint8=function(t){for(var e=[],r=0;r<t.length;r++)e[r]=t[r];return String.fromCharCode.apply(null,e)},h.prototype.readString=function(t,e){return null==e||"ASCII"==e?String.fromCharCodeUint8.apply(null,[this.mapUint8Array(t??this.byteLength-this.position)]):new TextDecoder(e).decode(this.mapUint8Array(t))},h.prototype.readCString=function(t){var e=this.byteLength-this.position,r=new Uint8Array(this._buffer,this._byteOffset+this.position),s=e;null!=t&&(s=Math.min(t,e));for(var n=0;n<s&&0!==r[n];n++);var a=String.fromCharCodeUint8.apply(null,[this.mapUint8Array(n)]);return null!=t?this.position+=s-n:n!=e&&(this.position+=1),a},h.prototype.readInt64=function(){return 4294967296*this.readInt32()+this.readUint32()},h.prototype.readUint64=function(){return 4294967296*this.readUint32()+this.readUint32()},h.prototype.readInt64=function(){return 4294967296*this.readUint32()+this.readUint32()},h.prototype.readUint24=function(){return(this.readUint8()<<16)+(this.readUint8()<<8)+this.readUint8()},iT.DataStream=h,h.prototype.save=function(t){var e=new Blob([this.buffer]);if(window.URL&&URL.createObjectURL){var r=window.URL.createObjectURL(e),s=document.createElement("a");document.body.appendChild(s),s.setAttribute("href",r),s.setAttribute("download",t),s.setAttribute("target","_self"),s.click(),window.URL.revokeObjectURL(r)}else throw"DataStream.save: Can't create object URL."},h.prototype._dynamicSize=!0,Object.defineProperty(h.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(t){t||this._trimAlloc(),this._dynamicSize=t}}),h.prototype.shift=function(t){var e=new ArrayBuffer(this._byteLength-t),r=new Uint8Array(e),s=new Uint8Array(this._buffer,t,r.length);r.set(s),this.buffer=e,this.position-=t},h.prototype.writeInt32Array=function(t,e){if(this._realloc(4*t.length),t instanceof Int32Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)h.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapInt32Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeInt32(t[r],e)},h.prototype.writeInt16Array=function(t,e){if(this._realloc(2*t.length),t instanceof Int16Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)h.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapInt16Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeInt16(t[r],e)},h.prototype.writeInt8Array=function(t){if(this._realloc(1*t.length),t instanceof Int8Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)h.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])},h.prototype.writeUint32Array=function(t,e){if(this._realloc(4*t.length),t instanceof Uint32Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)h.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapUint32Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeUint32(t[r],e)},h.prototype.writeUint16Array=function(t,e){if(this._realloc(2*t.length),t instanceof Uint16Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)h.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapUint16Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeUint16(t[r],e)},h.prototype.writeUint8Array=function(t){if(this._realloc(1*t.length),t instanceof Uint8Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)h.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapUint8Array(t.length);else for(var e=0;e<t.length;e++)this.writeUint8(t[e])},h.prototype.writeFloat64Array=function(t,e){if(this._realloc(8*t.length),t instanceof Float64Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)h.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapFloat64Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeFloat64(t[r],e)},h.prototype.writeFloat32Array=function(t,e){if(this._realloc(4*t.length),t instanceof Float32Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)h.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapFloat32Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeFloat32(t[r],e)},h.prototype.writeInt32=function(t,e){this._realloc(4),this._dataView.setInt32(this.position,t,e??this.endianness),this.position+=4},h.prototype.writeInt16=function(t,e){this._realloc(2),this._dataView.setInt16(this.position,t,e??this.endianness),this.position+=2},h.prototype.writeInt8=function(t){this._realloc(1),this._dataView.setInt8(this.position,t),this.position+=1},h.prototype.writeUint32=function(t,e){this._realloc(4),this._dataView.setUint32(this.position,t,e??this.endianness),this.position+=4},h.prototype.writeUint16=function(t,e){this._realloc(2),this._dataView.setUint16(this.position,t,e??this.endianness),this.position+=2},h.prototype.writeUint8=function(t){this._realloc(1),this._dataView.setUint8(this.position,t),this.position+=1},h.prototype.writeFloat32=function(t,e){this._realloc(4),this._dataView.setFloat32(this.position,t,e??this.endianness),this.position+=4},h.prototype.writeFloat64=function(t,e){this._realloc(8),this._dataView.setFloat64(this.position,t,e??this.endianness),this.position+=8},h.prototype.writeUCS2String=function(t,e,r){null==r&&(r=t.length);for(var s=0;s<t.length&&s<r;s++)this.writeUint16(t.charCodeAt(s),e);for(;s<r;s++)this.writeUint16(0)},h.prototype.writeString=function(t,e,r){var s=0;if(null==e||"ASCII"==e){if(null!=r){var n=Math.min(t.length,r);for(s=0;s<n;s++)this.writeUint8(t.charCodeAt(s));for(;s<r;s++)this.writeUint8(0)}else for(s=0;s<t.length;s++)this.writeUint8(t.charCodeAt(s))}else this.writeUint8Array(new TextEncoder(e).encode(t.substring(0,r)))},h.prototype.writeCString=function(t,e){var r=0;if(null!=e){var s=Math.min(t.length,e);for(r=0;r<s;r++)this.writeUint8(t.charCodeAt(r));for(;r<e;r++)this.writeUint8(0)}else{for(r=0;r<t.length;r++)this.writeUint8(t.charCodeAt(r));this.writeUint8(0)}},h.prototype.writeStruct=function(t,e){for(var r=0;r<t.length;r+=2){var s=t[r+1];this.writeType(s,e[t[r]],e)}},h.prototype.writeType=function(t,e,r){if("function"==typeof t)return t(this,e);if("object"==typeof t&&!(t instanceof Array))return t.set(this,e,r);var s,n=null,a="ASCII",o=this.position;switch("string"==typeof t&&/:/.test(t)&&(t=(s=t.split(":"))[0],n=parseInt(s[1])),"string"==typeof t&&/,/.test(t)&&(t=(s=t.split(","))[0],a=parseInt(s[1])),t){case"uint8":this.writeUint8(e);break;case"int8":this.writeInt8(e);break;case"uint16":this.writeUint16(e,this.endianness);break;case"int16":this.writeInt16(e,this.endianness);break;case"uint32":this.writeUint32(e,this.endianness);break;case"int32":this.writeInt32(e,this.endianness);break;case"float32":this.writeFloat32(e,this.endianness);break;case"float64":this.writeFloat64(e,this.endianness);break;case"uint16be":this.writeUint16(e,h.BIG_ENDIAN);break;case"int16be":this.writeInt16(e,h.BIG_ENDIAN);break;case"uint32be":this.writeUint32(e,h.BIG_ENDIAN);break;case"int32be":this.writeInt32(e,h.BIG_ENDIAN);break;case"float32be":this.writeFloat32(e,h.BIG_ENDIAN);break;case"float64be":this.writeFloat64(e,h.BIG_ENDIAN);break;case"uint16le":this.writeUint16(e,h.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(e,h.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(e,h.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(e,h.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(e,h.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(e,h.LITTLE_ENDIAN);break;case"cstring":this.writeCString(e,n);break;case"string":this.writeString(e,a,n);break;case"u16string":this.writeUCS2String(e,this.endianness,n);break;case"u16stringle":this.writeUCS2String(e,h.LITTLE_ENDIAN,n);break;case"u16stringbe":this.writeUCS2String(e,h.BIG_ENDIAN,n);break;default:if(3==t.length){for(var l=t[1],u=0;u<e.length;u++)this.writeType(l,e[u]);break}this.writeStruct(t,e)}null!=n&&(this.position=o,this._realloc(n),this.position=o+n)},h.prototype.writeUint64=function(t){var e=Math.floor(t/4294967296);this.writeUint32(e),this.writeUint32(4294967295&t)},h.prototype.writeUint24=function(t){this.writeUint8((16711680&t)>>16),this.writeUint8((65280&t)>>8),this.writeUint8(255&t)},h.prototype.adjustUint32=function(t,e){var r=this.position;this.seek(t),this.writeUint32(e),this.seek(r)},h.prototype.mapInt32Array=function(t,e){this._realloc(4*t);var r=new Int32Array(this._buffer,this.byteOffset+this.position,t);return h.arrayToNative(r,e??this.endianness),this.position+=4*t,r},h.prototype.mapInt16Array=function(t,e){this._realloc(2*t);var r=new Int16Array(this._buffer,this.byteOffset+this.position,t);return h.arrayToNative(r,e??this.endianness),this.position+=2*t,r},h.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},h.prototype.mapUint32Array=function(t,e){this._realloc(4*t);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,t);return h.arrayToNative(r,e??this.endianness),this.position+=4*t,r},h.prototype.mapUint16Array=function(t,e){this._realloc(2*t);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,t);return h.arrayToNative(r,e??this.endianness),this.position+=2*t,r},h.prototype.mapFloat64Array=function(t,e){this._realloc(8*t);var r=new Float64Array(this._buffer,this.byteOffset+this.position,t);return h.arrayToNative(r,e??this.endianness),this.position+=8*t,r},h.prototype.mapFloat32Array=function(t,e){this._realloc(4*t);var r=new Float32Array(this._buffer,this.byteOffset+this.position,t);return h.arrayToNative(r,e??this.endianness),this.position+=4*t,r},(l=function(t){this.buffers=[],this.bufferIndex=-1,t&&(this.insertBuffer(t),this.bufferIndex=0)}).prototype=new h(new ArrayBuffer,0,h.BIG_ENDIAN),l.prototype.initialized=function(){var t;return this.bufferIndex>-1||(this.buffers.length>0?0===(t=this.buffers[0]).fileStart?(this.buffer=t,this.bufferIndex=0,a.debug("MultiBufferStream","Stream ready for parsing"),!0):(a.warn("MultiBufferStream","The first buffer should have a fileStart of 0"),this.logBufferLevel(),!1):(a.warn("MultiBufferStream","No buffer to start parsing from"),this.logBufferLevel(),!1))},ArrayBuffer.concat=function(t,e){a.debug("ArrayBuffer","Trying to create a new buffer of size: "+(t.byteLength+e.byteLength));var r=new Uint8Array(t.byteLength+e.byteLength);return r.set(new Uint8Array(t),0),r.set(new Uint8Array(e),t.byteLength),r.buffer},l.prototype.reduceBuffer=function(t,e,r){var s;return(s=new Uint8Array(r)).set(new Uint8Array(t,e,r)),s.buffer.fileStart=t.fileStart+e,s.buffer.usedBytes=0,s.buffer},l.prototype.insertBuffer=function(t){for(var e=!0,r=0;r<this.buffers.length;r++){var s=this.buffers[r];if(t.fileStart<=s.fileStart){if(t.fileStart===s.fileStart){if(t.byteLength>s.byteLength){this.buffers.splice(r,1),r--;continue}a.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)),a.debug("MultiBufferStream","Appending new buffer (fileStart: "+t.fileStart+" - Length: "+t.byteLength+")"),this.buffers.splice(r,0,t),0===r&&(this.buffer=t);e=!1;break}if(t.fileStart<s.fileStart+s.byteLength){var n=s.fileStart+s.byteLength-t.fileStart,o=t.byteLength-n;if(o>0)t=this.reduceBuffer(t,n,o);else{e=!1;break}}}e&&(a.debug("MultiBufferStream","Appending new buffer (fileStart: "+t.fileStart+" - Length: "+t.byteLength+")"),this.buffers.push(t),0===r&&(this.buffer=t))},l.prototype.logBufferLevel=function(t){var e,r,s,n,o,h=[],l="";for(s=0,n=0,e=0;e<this.buffers.length;e++)r=this.buffers[e],0===e?(h.push(o={}),o.start=r.fileStart,o.end=r.fileStart+r.byteLength,l+="["+o.start+"-"):o.end===r.fileStart?o.end=r.fileStart+r.byteLength:((o={}).start=r.fileStart,l+=h[h.length-1].end-1+"], ["+o.start+"-",o.end=r.fileStart+r.byteLength,h.push(o)),s+=r.usedBytes,n+=r.byteLength;h.length>0&&(l+=o.end-1+"]"),(t?a.info:a.debug)("MultiBufferStream",0===this.buffers.length?"No more buffer in memory":""+this.buffers.length+" stored buffer(s) ("+s+"/"+n+" bytes), continuous ranges: "+l)},l.prototype.cleanBuffers=function(){var t,e;for(t=0;t<this.buffers.length;t++)(e=this.buffers[t]).usedBytes===e.byteLength&&(a.debug("MultiBufferStream","Removing buffer #"+t),this.buffers.splice(t,1),t--)},l.prototype.mergeNextBuffer=function(){if(!(this.bufferIndex+1<this.buffers.length)||(t=this.buffers[this.bufferIndex+1]).fileStart!==this.buffer.fileStart+this.buffer.byteLength)return!1;var t,e=this.buffer.byteLength,r=this.buffer.usedBytes,s=this.buffer.fileStart;return this.buffers[this.bufferIndex]=ArrayBuffer.concat(this.buffer,t),this.buffer=this.buffers[this.bufferIndex],this.buffers.splice(this.bufferIndex+1,1),this.buffer.usedBytes=r,this.buffer.fileStart=s,a.debug("ISOFile","Concatenating buffer for box parsing (length: "+e+"->"+this.buffer.byteLength+")"),!0},l.prototype.findPosition=function(t,e,r){var s,n=null,o=-1;for(s=!0===t?0:this.bufferIndex;s<this.buffers.length&&(n=this.buffers[s]).fileStart<=e;)o=s,r&&(n.fileStart+n.byteLength<=e?n.usedBytes=n.byteLength:n.usedBytes=e-n.fileStart,this.logBufferLevel()),s++;return -1!==o&&(n=this.buffers[o]).fileStart+n.byteLength>=e?(a.debug("MultiBufferStream","Found position in existing buffer #"+o),o):-1},l.prototype.findEndContiguousBuf=function(t){var e,r,s,n=void 0!==t?t:this.bufferIndex;if(r=this.buffers[n],this.buffers.length>n+1)for(e=n+1;e<this.buffers.length&&(s=this.buffers[e]).fileStart===r.fileStart+r.byteLength;e++)r=s;return r.fileStart+r.byteLength},l.prototype.getEndFilePositionAfter=function(t){var e=this.findPosition(!0,t,!1);return -1!==e?this.findEndContiguousBuf(e):t},l.prototype.addUsedBytes=function(t){this.buffer.usedBytes+=t,this.logBufferLevel()},l.prototype.setAllUsedBytes=function(){this.buffer.usedBytes=this.buffer.byteLength,this.logBufferLevel()},l.prototype.seek=function(t,e,r){var s;return -1!==(s=this.findPosition(e,t,r))?(this.buffer=this.buffers[s],this.bufferIndex=s,this.position=t-this.buffer.fileStart,a.debug("MultiBufferStream","Repositioning parser at buffer position: "+this.position),!0):(a.debug("MultiBufferStream","Position "+t+" not found in buffered data"),!1)},l.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},l.prototype.getLength=function(){return this.byteLength},l.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},iT.MultiBufferStream=l,u=function(){var t=[];t[3]="ES_Descriptor",t[4]="DecoderConfigDescriptor",t[5]="DecoderSpecificInfo",t[6]="SLConfigDescriptor",this.getDescriptorName=function(e){return t[e]};var e=this,r={};return this.parseOneDescriptor=function(e){var s,n,o,h=0;for(s=e.readUint8(),o=e.readUint8();128&o;)h=(127&o)<<7,o=e.readUint8();return h+=127&o,a.debug("MPEG4DescriptorParser","Found "+(t[s]||"Descriptor "+s)+", size "+h+" at position "+e.getPosition()),(n=t[s]?new r[t[s]](h):new r.Descriptor(h)).parse(e),n},r.Descriptor=function(t,e){this.tag=t,this.size=e,this.descs=[]},r.Descriptor.prototype.parse=function(t){this.data=t.readUint8Array(this.size)},r.Descriptor.prototype.findDescriptor=function(t){for(var e=0;e<this.descs.length;e++)if(this.descs[e].tag==t)return this.descs[e];return null},r.Descriptor.prototype.parseRemainingDescriptors=function(t){for(var r=t.position;t.position<r+this.size;){var s=e.parseOneDescriptor(t);this.descs.push(s)}},r.ES_Descriptor=function(t){r.Descriptor.call(this,3,t)},r.ES_Descriptor.prototype=new r.Descriptor,r.ES_Descriptor.prototype.parse=function(t){if(this.ES_ID=t.readUint16(),this.flags=t.readUint8(),this.size-=3,128&this.flags?(this.dependsOn_ES_ID=t.readUint16(),this.size-=2):this.dependsOn_ES_ID=0,64&this.flags){var e=t.readUint8();this.URL=t.readString(e),this.size-=e+1}else this.URL="";32&this.flags?(this.OCR_ES_ID=t.readUint16(),this.size-=2):this.OCR_ES_ID=0,this.parseRemainingDescriptors(t)},r.ES_Descriptor.prototype.getOTI=function(t){var e=this.findDescriptor(4);return e?e.oti:0},r.ES_Descriptor.prototype.getAudioConfig=function(t){var e=this.findDescriptor(4);if(!e)return null;var r=e.findDescriptor(5);if(!r||!r.data)return null;var s=(248&r.data[0])>>3;return 31===s&&r.data.length>=2&&(s=32+((7&r.data[0])<<3)+((224&r.data[1])>>5)),s},r.DecoderConfigDescriptor=function(t){r.Descriptor.call(this,4,t)},r.DecoderConfigDescriptor.prototype=new r.Descriptor,r.DecoderConfigDescriptor.prototype.parse=function(t){this.oti=t.readUint8(),this.streamType=t.readUint8(),this.bufferSize=t.readUint24(),this.maxBitrate=t.readUint32(),this.avgBitrate=t.readUint32(),this.size-=13,this.parseRemainingDescriptors(t)},r.DecoderSpecificInfo=function(t){r.Descriptor.call(this,5,t)},r.DecoderSpecificInfo.prototype=new r.Descriptor,r.SLConfigDescriptor=function(t){r.Descriptor.call(this,6,t)},r.SLConfigDescriptor.prototype=new r.Descriptor,this},iT.MPEG4DescriptorParser=u,(d={ERR_INVALID_DATA:-1,ERR_NOT_ENOUGH_DATA:0,OK:1,BASIC_BOXES:["mdat","idat","free","skip","meco","strk"],FULL_BOXES:["hmhd","nmhd","iods","xml ","bxml","ipro","mere"],CONTAINER_BOXES:[["moov",["trak","pssh"]],["trak"],["edts"],["mdia"],["minf"],["dinf"],["stbl",["sgpd","sbgp"]],["mvex",["trex"]],["moof",["traf"]],["traf",["trun","sgpd","sbgp"]],["vttc"],["tref"],["iref"],["mfra",["tfra"]],["meco"],["hnti"],["hinf"],["strk"],["strd"],["sinf"],["rinf"],["schi"],["trgr"],["udta",["kind"]],["iprp",["ipma"]],["ipco"],["grpl"],["j2kH"],["etyp",["tyco"]]],boxCodes:[],fullBoxCodes:[],containerBoxCodes:[],sampleEntryCodes:{},sampleGroupEntryCodes:[],trackGroupTypes:[],UUIDBoxes:{},UUIDs:[],initialize:function(){d.FullBox.prototype=new d.Box,d.ContainerBox.prototype=new d.Box,d.SampleEntry.prototype=new d.Box,d.TrackGroupTypeBox.prototype=new d.FullBox,d.BASIC_BOXES.forEach(function(t){d.createBoxCtor(t)}),d.FULL_BOXES.forEach(function(t){d.createFullBoxCtor(t)}),d.CONTAINER_BOXES.forEach(function(t){d.createContainerBoxCtor(t[0],null,t[1])})},Box:function(t,e,r){this.type=t,this.size=e,this.uuid=r},FullBox:function(t,e,r){d.Box.call(this,t,e,r),this.flags=0,this.version=0},ContainerBox:function(t,e,r){d.Box.call(this,t,e,r),this.boxes=[]},SampleEntry:function(t,e,r,s){d.ContainerBox.call(this,t,e),this.hdr_size=r,this.start=s},SampleGroupEntry:function(t){this.grouping_type=t},TrackGroupTypeBox:function(t,e){d.FullBox.call(this,t,e)},createBoxCtor:function(t,e){d.boxCodes.push(t),d[t+"Box"]=function(e){d.Box.call(this,t,e)},d[t+"Box"].prototype=new d.Box,e&&(d[t+"Box"].prototype.parse=e)},createFullBoxCtor:function(t,e){d[t+"Box"]=function(e){d.FullBox.call(this,t,e)},d[t+"Box"].prototype=new d.FullBox,d[t+"Box"].prototype.parse=function(t){this.parseFullHeader(t),e&&e.call(this,t)}},addSubBoxArrays:function(t){if(t){this.subBoxNames=t;for(var e=t.length,r=0;r<e;r++)this[t[r]+"s"]=[]}},createContainerBoxCtor:function(t,e,r){d[t+"Box"]=function(e){d.ContainerBox.call(this,t,e),d.addSubBoxArrays.call(this,r)},d[t+"Box"].prototype=new d.ContainerBox,e&&(d[t+"Box"].prototype.parse=e)},createMediaSampleEntryCtor:function(t,e,r){d.sampleEntryCodes[t]=[],d[t+"SampleEntry"]=function(t,e){d.SampleEntry.call(this,t,e),d.addSubBoxArrays.call(this,r)},d[t+"SampleEntry"].prototype=new d.SampleEntry,e&&(d[t+"SampleEntry"].prototype.parse=e)},createSampleEntryCtor:function(t,e,r,s){d.sampleEntryCodes[t].push(e),d[e+"SampleEntry"]=function(r){d[t+"SampleEntry"].call(this,e,r),d.addSubBoxArrays.call(this,s)},d[e+"SampleEntry"].prototype=new d[t+"SampleEntry"],r&&(d[e+"SampleEntry"].prototype.parse=r)},createEncryptedSampleEntryCtor:function(t,e,r){d.createSampleEntryCtor.call(this,t,e,r,["sinf"])},createSampleGroupCtor:function(t,e){d[t+"SampleGroupEntry"]=function(e){d.SampleGroupEntry.call(this,t,e)},d[t+"SampleGroupEntry"].prototype=new d.SampleGroupEntry,e&&(d[t+"SampleGroupEntry"].prototype.parse=e)},createTrackGroupCtor:function(t,e){d[t+"TrackGroupTypeBox"]=function(e){d.TrackGroupTypeBox.call(this,t,e)},d[t+"TrackGroupTypeBox"].prototype=new d.TrackGroupTypeBox,e&&(d[t+"TrackGroupTypeBox"].prototype.parse=e)},createUUIDBox:function(t,e,r,s){d.UUIDs.push(t),d.UUIDBoxes[t]=function(s){e?d.FullBox.call(this,"uuid",s,t):r?d.ContainerBox.call(this,"uuid",s,t):d.Box.call(this,"uuid",s,t)},d.UUIDBoxes[t].prototype=e?new d.FullBox:r?new d.ContainerBox:new d.Box,s&&(e?d.UUIDBoxes[t].prototype.parse=function(t){this.parseFullHeader(t),s&&s.call(this,t)}:d.UUIDBoxes[t].prototype.parse=s)}}).initialize(),d.TKHD_FLAG_ENABLED=1,d.TKHD_FLAG_IN_MOVIE=2,d.TKHD_FLAG_IN_PREVIEW=4,d.TFHD_FLAG_BASE_DATA_OFFSET=1,d.TFHD_FLAG_SAMPLE_DESC=2,d.TFHD_FLAG_SAMPLE_DUR=8,d.TFHD_FLAG_SAMPLE_SIZE=16,d.TFHD_FLAG_SAMPLE_FLAGS=32,d.TFHD_FLAG_DUR_EMPTY=65536,d.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072,d.TRUN_FLAGS_DATA_OFFSET=1,d.TRUN_FLAGS_FIRST_FLAG=4,d.TRUN_FLAGS_DURATION=256,d.TRUN_FLAGS_SIZE=512,d.TRUN_FLAGS_FLAGS=1024,d.TRUN_FLAGS_CTS_OFFSET=2048,d.Box.prototype.add=function(t){return this.addBox(new d[t+"Box"])},d.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},d.Box.prototype.set=function(t,e){return this[t]=e,this},d.Box.prototype.addEntry=function(t,e){var r=e||"entries";return this[r]||(this[r]=[]),this[r].push(t),this},iT.BoxParser=d,d.parseUUID=function(t){return d.parseHex16(t)},d.parseHex16=function(t){for(var e="",r=0;r<16;r++){var s=t.readUint8().toString(16);e+=1===s.length?"0"+s:s}return e},d.parseOneBox=function(t,e,r){var s,n,o,h=t.getPosition(),l=0;if(t.getEndPosition()-h<8)return a.debug("BoxParser","Not enough data in stream to parse the type and size of the box"),{code:d.ERR_NOT_ENOUGH_DATA};if(r&&r<8)return a.debug("BoxParser","Not enough bytes left in the parent box to parse a new box"),{code:d.ERR_NOT_ENOUGH_DATA};var u=t.readUint32(),f=t.readString(4),p=f;if(a.debug("BoxParser","Found box of type '"+f+"' and size "+u+" at position "+h),l=8,"uuid"==f){if(t.getEndPosition()-t.getPosition()<16||r-l<16)return t.seek(h),a.debug("BoxParser","Not enough bytes left in the parent box to parse a UUID box"),{code:d.ERR_NOT_ENOUGH_DATA};o=d.parseUUID(t),l+=16,p=o}if(1==u){if(t.getEndPosition()-t.getPosition()<8||r&&r-l<8)return t.seek(h),a.warn("BoxParser",'Not enough data in stream to parse the extended size of the "'+f+'" box'),{code:d.ERR_NOT_ENOUGH_DATA};u=t.readUint64(),l+=8}else if(0===u){if(r)u=r;else if("mdat"!==f)return a.error("BoxParser","Unlimited box size not supported for type: '"+f+"'"),s=new d.Box(f,u),{code:d.OK,box:s,size:s.size}}return 0!==u&&u<l?(a.error("BoxParser","Box of type "+f+" has an invalid size "+u+" (too small to be a box)"),{code:d.ERR_NOT_ENOUGH_DATA,type:f,size:u,hdr_size:l,start:h}):0!==u&&r&&u>r?(a.error("BoxParser","Box of type '"+f+"' has a size "+u+" greater than its container size "+r),{code:d.ERR_NOT_ENOUGH_DATA,type:f,size:u,hdr_size:l,start:h}):0!==u&&h+u>t.getEndPosition()?(t.seek(h),a.info("BoxParser","Not enough data in stream to parse the entire '"+f+"' box"),{code:d.ERR_NOT_ENOUGH_DATA,type:f,size:u,hdr_size:l,start:h}):e?{code:d.OK,type:f,size:u,hdr_size:l,start:h}:(d[f+"Box"]?s=new d[f+"Box"](u):"uuid"!==f?(a.warn("BoxParser","Unknown box type: '"+f+"'"),(s=new d.Box(f,u)).has_unparsed_data=!0):d.UUIDBoxes[o]?s=new d.UUIDBoxes[o](u):(a.warn("BoxParser","Unknown uuid type: '"+o+"'"),(s=new d.Box(f,u)).uuid=o,s.has_unparsed_data=!0),s.hdr_size=l,s.start=h,s.write===d.Box.prototype.write&&"mdat"!==s.type&&(a.info("BoxParser","'"+p+"' box writing not yet implemented, keeping unparsed data in memory for later write"),s.parseDataAndRewind(t)),s.parse(t),(n=t.getPosition()-(s.start+s.size))<0?(a.warn("BoxParser","Parsing of box '"+p+"' did not read the entire indicated box data size (missing "+-n+" bytes), seeking forward"),t.seek(s.start+s.size)):n>0&&(a.error("BoxParser","Parsing of box '"+p+"' read "+n+" more bytes than the indicated box data size, seeking backwards"),0!==s.size&&t.seek(s.start+s.size)),{code:d.OK,box:s,size:s.size})},d.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)},d.Box.prototype.parseDataAndRewind=function(t){this.data=t.readUint8Array(this.size-this.hdr_size),t.position-=this.size-this.hdr_size},d.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},d.FullBox.prototype.parseFullHeader=function(t){this.version=t.readUint8(),this.flags=t.readUint24(),this.hdr_size+=4},d.FullBox.prototype.parse=function(t){this.parseFullHeader(t),this.data=t.readUint8Array(this.size-this.hdr_size)},d.ContainerBox.prototype.parse=function(t){for(var e,r;t.getPosition()<this.start+this.size;)if((e=d.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==d.OK)return;else if(r=e.box,this.boxes.push(r),this.subBoxNames&&-1!=this.subBoxNames.indexOf(r.type))this[this.subBoxNames[this.subBoxNames.indexOf(r.type)]+"s"].push(r);else{var s="uuid"!==r.type?r.type:r.uuid;this[s]?a.warn("Box of type "+s+" already stored in field of this type"):this[s]=r}},d.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)},d.SAMPLE_ENTRY_TYPE_VISUAL="Visual",d.SAMPLE_ENTRY_TYPE_AUDIO="Audio",d.SAMPLE_ENTRY_TYPE_HINT="Hint",d.SAMPLE_ENTRY_TYPE_METADATA="Metadata",d.SAMPLE_ENTRY_TYPE_SUBTITLE="Subtitle",d.SAMPLE_ENTRY_TYPE_SYSTEM="System",d.SAMPLE_ENTRY_TYPE_TEXT="Text",d.SampleEntry.prototype.parseHeader=function(t){t.readUint8Array(6),this.data_reference_index=t.readUint16(),this.hdr_size+=8},d.SampleEntry.prototype.parse=function(t){this.parseHeader(t),this.data=t.readUint8Array(this.size-this.hdr_size)},d.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},d.SampleEntry.prototype.parseFooter=function(t){d.ContainerBox.prototype.parse.call(this,t)},d.createMediaSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_HINT),d.createMediaSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_METADATA),d.createMediaSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_SUBTITLE),d.createMediaSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_SYSTEM),d.createMediaSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_TEXT),d.createMediaSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,function(t){var e;this.parseHeader(t),t.readUint16(),t.readUint16(),t.readUint32Array(3),this.width=t.readUint16(),this.height=t.readUint16(),this.horizresolution=t.readUint32(),this.vertresolution=t.readUint32(),t.readUint32(),this.frame_count=t.readUint16(),e=Math.min(31,t.readUint8()),this.compressorname=t.readString(e),e<31&&t.readString(31-e),this.depth=t.readUint16(),t.readUint16(),this.parseFooter(t)}),d.createMediaSampleEntryCtor(d.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)}),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"avc1"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"avc2"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"avc3"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"avc4"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"av01"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"dav1"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"hvc1"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"hev1"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"hvt1"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"lhe1"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"dvh1"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"dvhe"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"vvc1"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"vvi1"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"vvs1"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"vvcN"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"vp08"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"vp09"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"avs3"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"j2ki"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"mjp2"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"mjpg"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"uncv"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_AUDIO,"mp4a"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_AUDIO,"ac-3"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_AUDIO,"ac-4"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_AUDIO,"ec-3"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_AUDIO,"Opus"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_AUDIO,"mha1"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_AUDIO,"mha2"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_AUDIO,"mhm1"),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_AUDIO,"mhm2"),d.createEncryptedSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_VISUAL,"encv"),d.createEncryptedSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_AUDIO,"enca"),d.createEncryptedSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_SUBTITLE,"encu"),d.createEncryptedSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_SYSTEM,"encs"),d.createEncryptedSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_TEXT,"enct"),d.createEncryptedSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_METADATA,"encm"),d.createBoxCtor("a1lx",function(t){var e=((1&(1&t.readUint8()))+1)*16;this.layer_size=[];for(var r=0;r<3;r++)16==e?this.layer_size[r]=t.readUint16():this.layer_size[r]=t.readUint32()}),d.createBoxCtor("a1op",function(t){this.op_index=t.readUint8()}),d.createFullBoxCtor("auxC",function(t){this.aux_type=t.readCString();var e=this.size-this.hdr_size-(this.aux_type.length+1);this.aux_subtype=t.readUint8Array(e)}),d.createBoxCtor("av1C",function(t){var e=t.readUint8();if(this.version=127&e,1!==this.version){a.error("av1C version "+this.version+" not supported");return}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){a.error("av1C reserved_1 parsing problem");return}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){a.error("av1C reserved_2 parsing problem");return}var r=this.size-this.hdr_size-4;this.configOBUs=t.readUint8Array(r)}),d.createBoxCtor("avcC",function(t){var e,r;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(),r=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),r-=2+this.SPS[e].length;for(this.nb_PPS_nalus=t.readUint8(),r--,this.PPS=[],e=0;e<this.nb_PPS_nalus;e++)this.PPS[e]={},this.PPS[e].length=t.readUint16(),this.PPS[e].nalu=t.readUint8Array(this.PPS[e].length),r-=2+this.PPS[e].length;r>0&&(this.ext=t.readUint8Array(r))}),d.createBoxCtor("btrt",function(t){this.bufferSizeDB=t.readUint32(),this.maxBitrate=t.readUint32(),this.avgBitrate=t.readUint32()}),d.createFullBoxCtor("ccst",function(t){var e=t.readUint8();this.all_ref_pics_intra=(128&e)==128,this.intra_pred_used=(64&e)==64,this.max_ref_per_pic=(63&e)>>2,t.readUint24()}),d.createBoxCtor("cdef",function(t){var e;for(this.channel_count=t.readUint16(),this.channel_indexes=[],this.channel_types=[],this.channel_associations=[],e=0;e<this.channel_count;e++)this.channel_indexes.push(t.readUint16()),this.channel_types.push(t.readUint16()),this.channel_associations.push(t.readUint16())}),d.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()}),d.createBoxCtor("clli",function(t){this.max_content_light_level=t.readUint16(),this.max_pic_average_light_level=t.readUint16()}),d.createFullBoxCtor("cmex",function(t){1&this.flags&&(this.pos_x=t.readInt32()),2&this.flags&&(this.pos_y=t.readInt32()),4&this.flags&&(this.pos_z=t.readInt32()),8&this.flags&&(0==this.version?16&this.flags?(this.quat_x=t.readInt32(),this.quat_y=t.readInt32(),this.quat_z=t.readInt32()):(this.quat_x=t.readInt16(),this.quat_y=t.readInt16(),this.quat_z=t.readInt16()):this.version),32&this.flags&&(this.id=t.readUint32())}),d.createFullBoxCtor("cmin",function(t){this.focal_length_x=t.readInt32(),this.principal_point_x=t.readInt32(),this.principal_point_y=t.readInt32(),1&this.flags&&(this.focal_length_y=t.readInt32(),this.skew_factor=t.readInt32())}),d.createBoxCtor("cmpd",function(t){for(this.component_count=t.readUint16(),this.component_types=[],this.component_type_urls=[],i=0;i<this.component_count;i++){var e=t.readUint16();this.component_types.push(e),e>=32768&&this.component_type_urls.push(t.readCString())}}),d.createFullBoxCtor("co64",function(t){var e,r;if(e=t.readUint32(),this.chunk_offsets=[],0===this.version)for(r=0;r<e;r++)this.chunk_offsets.push(t.readUint64())}),d.createFullBoxCtor("CoLL",function(t){this.maxCLL=t.readUint16(),this.maxFALL=t.readUint16()}),d.createBoxCtor("colr",function(t){if(this.colour_type=t.readString(4),"nclx"===this.colour_type){this.colour_primaries=t.readUint16(),this.transfer_characteristics=t.readUint16(),this.matrix_coefficients=t.readUint16();var e=t.readUint8();this.full_range_flag=e>>7}else"rICC"===this.colour_type?this.ICC_profile=t.readUint8Array(this.size-4):"prof"===this.colour_type&&(this.ICC_profile=t.readUint8Array(this.size-4))}),d.createFullBoxCtor("cprt",function(t){this.parseLanguage(t),this.notice=t.readCString()}),d.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())}),d.createFullBoxCtor("ctts",function(t){var e,r;if(e=t.readUint32(),this.sample_counts=[],this.sample_offsets=[],0===this.version)for(r=0;r<e;r++){this.sample_counts.push(t.readUint32());var s=t.readInt32();s<0&&a.warn("BoxParser","ctts box uses negative values without using version 1"),this.sample_offsets.push(s)}else if(1==this.version)for(r=0;r<e;r++)this.sample_counts.push(t.readUint32()),this.sample_offsets.push(t.readInt32())}),d.createBoxCtor("dac3",function(t){var e=t.readUint8(),r=t.readUint8(),s=t.readUint8();this.fscod=e>>6,this.bsid=e>>1&31,this.bsmod=(1&e)<<2|r>>6&3,this.acmod=r>>3&7,this.lfeon=r>>2&1,this.bit_rate_code=3&r|s>>5&7}),d.createBoxCtor("dec3",function(t){var e=t.readUint16();this.data_rate=e>>3,this.num_ind_sub=7&e,this.ind_subs=[];for(var r=0;r<this.num_ind_sub+1;r++){var s={};this.ind_subs.push(s);var n=t.readUint8(),a=t.readUint8(),o=t.readUint8();s.fscod=n>>6,s.bsid=n>>1&31,s.bsmod=(1&n)<<4|a>>4&15,s.acmod=a>>1&7,s.lfeon=1&a,s.num_dep_sub=o>>1&15,s.num_dep_sub>0&&(s.chan_loc=(1&o)<<8|t.readUint8())}}),d.createFullBoxCtor("dfLa",function(t){var e=[],r=["STREAMINFO","PADDING","APPLICATION","SEEKTABLE","VORBIS_COMMENT","CUESHEET","PICTURE","RESERVED"];for(this.parseFullHeader(t);;){var s=t.readUint8(),n=Math.min(127&s,r.length-1);if(n?t.readUint8Array(t.readUint24()):(t.readUint8Array(13),this.samplerate=t.readUint32()>>12,t.readUint8Array(20)),e.push(r[n]),128&s)break}this.numMetadataBlocks=e.length+" ("+e.join(", ")+")"}),d.createBoxCtor("dimm",function(t){this.bytessent=t.readUint64()}),d.createBoxCtor("dmax",function(t){this.time=t.readUint32()}),d.createBoxCtor("dmed",function(t){this.bytessent=t.readUint64()}),d.createBoxCtor("dOps",function(t){if(this.Version=t.readUint8(),this.OutputChannelCount=t.readUint8(),this.PreSkip=t.readUint16(),this.InputSampleRate=t.readUint32(),this.OutputGain=t.readInt16(),this.ChannelMappingFamily=t.readUint8(),0!==this.ChannelMappingFamily){this.StreamCount=t.readUint8(),this.CoupledCount=t.readUint8(),this.ChannelMapping=[];for(var e=0;e<this.OutputChannelCount;e++)this.ChannelMapping[e]=t.readUint8()}}),d.createFullBoxCtor("dref",function(t){var e,r;this.entries=[];for(var s=t.readUint32(),n=0;n<s;n++)if((e=d.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==d.OK)return;else r=e.box,this.entries.push(r)}),d.createBoxCtor("drep",function(t){this.bytessent=t.readUint64()}),d.createFullBoxCtor("elng",function(t){this.extended_language=t.readString(this.size-this.hdr_size)}),d.createFullBoxCtor("elst",function(t){this.entries=[];for(var e=t.readUint32(),r=0;r<e;r++){var s={};this.entries.push(s),1===this.version?(s.segment_duration=t.readUint64(),s.media_time=t.readInt64()):(s.segment_duration=t.readUint32(),s.media_time=t.readInt32()),s.media_rate_integer=t.readInt16(),s.media_rate_fraction=t.readInt16()}}),d.createFullBoxCtor("emsg",function(t){1==this.version?(this.timescale=t.readUint32(),this.presentation_time=t.readUint64(),this.event_duration=t.readUint32(),this.id=t.readUint32(),this.scheme_id_uri=t.readCString(),this.value=t.readCString()):(this.scheme_id_uri=t.readCString(),this.value=t.readCString(),this.timescale=t.readUint32(),this.presentation_time_delta=t.readUint32(),this.event_duration=t.readUint32(),this.id=t.readUint32());var e=this.size-this.hdr_size-(16+(this.scheme_id_uri.length+1)+(this.value.length+1));1==this.version&&(e-=4),this.message_data=t.readUint8Array(e)}),d.createEntityToGroupCtor=function(t,e){d[t+"Box"]=function(e){d.FullBox.call(this,t,e)},d[t+"Box"].prototype=new d.FullBox,d[t+"Box"].prototype.parse=function(t){if(this.parseFullHeader(t),e)e.call(this,t);else for(this.group_id=t.readUint32(),this.num_entities_in_group=t.readUint32(),this.entity_ids=[],i=0;i<this.num_entities_in_group;i++){var r=t.readUint32();this.entity_ids.push(r)}}},d.createEntityToGroupCtor("aebr"),d.createEntityToGroupCtor("afbr"),d.createEntityToGroupCtor("albc"),d.createEntityToGroupCtor("altr"),d.createEntityToGroupCtor("brst"),d.createEntityToGroupCtor("dobr"),d.createEntityToGroupCtor("eqiv"),d.createEntityToGroupCtor("favc"),d.createEntityToGroupCtor("fobr"),d.createEntityToGroupCtor("iaug"),d.createEntityToGroupCtor("pano"),d.createEntityToGroupCtor("slid"),d.createEntityToGroupCtor("ster"),d.createEntityToGroupCtor("tsyn"),d.createEntityToGroupCtor("wbbr"),d.createEntityToGroupCtor("prgr"),d.createFullBoxCtor("esds",function(t){var e=t.readUint8Array(this.size-this.hdr_size);if(this.data=e,"u">typeof u){var r=new u;this.esd=r.parseOneDescriptor(new h(e.buffer,0,h.BIG_ENDIAN))}}),d.createBoxCtor("fiel",function(t){this.fieldCount=t.readUint8(),this.fieldOrdering=t.readUint8()}),d.createBoxCtor("frma",function(t){this.data_format=t.readString(4)}),d.createBoxCtor("ftyp",function(t){var e=this.size-this.hdr_size;this.major_brand=t.readString(4),this.minor_version=t.readUint32(),e-=8,this.compatible_brands=[];for(var r=0;e>=4;)this.compatible_brands[r]=t.readString(4),e-=4,r++}),d.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)))}),d.createBoxCtor("hvcC",function(t){this.configurationVersion=t.readUint8(),n=t.readUint8(),this.general_profile_space=n>>6,this.general_tier_flag=(32&n)>>5,this.general_profile_idc=31&n,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(),n=t.readUint8(),this.constantFrameRate=n>>6,this.numTemporalLayers=(13&n)>>3,this.temporalIdNested=(4&n)>>2,this.lengthSizeMinusOne=3&n,this.nalu_arrays=[];var e,r,s,n,a=t.readUint8();for(e=0;e<a;e++){var o=[];this.nalu_arrays.push(o),n=t.readUint8(),o.completeness=(128&n)>>7,o.nalu_type=63&n;var h=t.readUint16();for(r=0;r<h;r++){var l={};o.push(l),s=t.readUint16(),l.data=t.readUint8Array(s)}}}),d.createFullBoxCtor("iinf",function(t){var e;0===this.version?this.entry_count=t.readUint16():this.entry_count=t.readUint32(),this.item_infos=[];for(var r=0;r<this.entry_count;r++)if((e=d.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==d.OK)return;else"infe"!==e.box.type&&a.error("BoxParser","Expected 'infe' box, got "+e.box.type),this.item_infos[r]=e.box}),d.createFullBoxCtor("iloc",function(t){e=t.readUint8(),this.offset_size=e>>4&15,this.length_size=15&e,e=t.readUint8(),this.base_offset_size=e>>4&15,1===this.version||2===this.version?this.index_size=15&e:this.index_size=0,this.items=[];var e,r=0;if(this.version<2)r=t.readUint16();else if(2===this.version)r=t.readUint32();else throw"version of iloc box not supported";for(var s=0;s<r;s++){var n={};if(this.items.push(n),this.version<2)n.item_ID=t.readUint16();else if(2===this.version)n.item_ID=t.readUint16();else throw"version of iloc box not supported";switch(1===this.version||2===this.version?n.construction_method=15&t.readUint16():n.construction_method=0,n.data_reference_index=t.readUint16(),this.base_offset_size){case 0:n.base_offset=0;break;case 4:n.base_offset=t.readUint32();break;case 8:n.base_offset=t.readUint64();break;default:throw"Error reading base offset size"}var a=t.readUint16();n.extents=[];for(var o=0;o<a;o++){var h={};if(n.extents.push(h),1===this.version||2===this.version)switch(this.index_size){case 0:h.extent_index=0;break;case 4:h.extent_index=t.readUint32();break;case 8:h.extent_index=t.readUint64();break;default:throw"Error reading extent index"}switch(this.offset_size){case 0:h.extent_offset=0;break;case 4:h.extent_offset=t.readUint32();break;case 8:h.extent_offset=t.readUint64();break;default:throw"Error reading extent index"}switch(this.length_size){case 0:h.extent_length=0;break;case 4:h.extent_length=t.readUint32();break;case 8:h.extent_length=t.readUint64();break;default:throw"Error reading extent index"}}}}),d.createBoxCtor("imir",function(t){var e=t.readUint8();this.reserved=e>>7,this.axis=1&e}),d.createFullBoxCtor("infe",function(t){if((0===this.version||1===this.version)&&(this.item_ID=t.readUint16(),this.item_protection_index=t.readUint16(),this.item_name=t.readCString(),this.content_type=t.readCString(),this.content_encoding=t.readCString()),1===this.version){this.extension_type=t.readString(4),a.warn("BoxParser","Cannot parse extension type"),t.seek(this.start+this.size);return}this.version>=2&&(2===this.version?this.item_ID=t.readUint16():3===this.version&&(this.item_ID=t.readUint32()),this.item_protection_index=t.readUint16(),this.item_type=t.readString(4),this.item_name=t.readCString(),"mime"===this.item_type?(this.content_type=t.readCString(),this.content_encoding=t.readCString()):"uri "===this.item_type&&(this.item_uri_type=t.readCString()))}),d.createFullBoxCtor("ipma",function(t){var e,r;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 n=t.readUint8();for(s.props=[],r=0;r<n;r++){var a=t.readUint8(),o={};s.props.push(o),o.essential=(128&a)>>7==1,1&this.flags?o.property_index=(127&a)<<8|t.readUint8():o.property_index=127&a}}}),d.createFullBoxCtor("iref",function(t){var e,r;for(this.references=[];t.getPosition()<this.start+this.size;)if((e=d.parseOneBox(t,!0,this.size-(t.getPosition()-this.start))).code!==d.OK)return;else(r=0===this.version?new d.SingleItemTypeReferenceBox(e.type,e.size,e.hdr_size,e.start):new d.SingleItemTypeReferenceBoxLarge(e.type,e.size,e.hdr_size,e.start)).write===d.Box.prototype.write&&"mdat"!==r.type&&(a.warn("BoxParser",r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(t)),r.parse(t),this.references.push(r)}),d.createBoxCtor("irot",function(t){this.angle=3&t.readUint8()}),d.createFullBoxCtor("ispe",function(t){this.image_width=t.readUint32(),this.image_height=t.readUint32()}),d.createFullBoxCtor("kind",function(t){this.schemeURI=t.readCString(),this.value=t.readCString()}),d.createFullBoxCtor("leva",function(t){var e=t.readUint8();this.levels=[];for(var r=0;r<e;r++){var s={};this.levels[r]=s,s.track_ID=t.readUint32();var n=t.readUint8();switch(s.padding_flag=n>>7,s.assignment_type=127&n,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:a.warn("BoxParser","Unknown leva assignement type")}}}),d.createBoxCtor("lsel",function(t){this.layer_id=t.readUint16()}),d.createBoxCtor("maxr",function(t){this.period=t.readUint32(),this.bytes=t.readUint32()}),d.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()}),d.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()}),d.createFullBoxCtor("mehd",function(t){1&this.flags&&(a.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()}),d.createFullBoxCtor("meta",function(t){this.boxes=[],d.ContainerBox.prototype.parse.call(this,t)}),d.createFullBoxCtor("mfhd",function(t){this.sequence_number=t.readUint32()}),d.createFullBoxCtor("mfro",function(t){this._size=t.readUint32()}),d.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()}),d.createBoxCtor("npck",function(t){this.packetssent=t.readUint32()}),d.createBoxCtor("nump",function(t){this.packetssent=t.readUint64()}),d.createFullBoxCtor("padb",function(t){var e=t.readUint32();this.padbits=[];for(var r=0;r<Math.floor((e+1)/2);r++)this.padbits=t.readUint8()}),d.createBoxCtor("pasp",function(t){this.hSpacing=t.readUint32(),this.vSpacing=t.readUint32()}),d.createBoxCtor("payl",function(t){this.text=t.readString(this.size-this.hdr_size)}),d.createBoxCtor("payt",function(t){this.payloadID=t.readUint32();var e=t.readUint8();this.rtpmap_string=t.readString(e)}),d.createFullBoxCtor("pdin",function(t){var e=(this.size-this.hdr_size)/8;this.rate=[],this.initial_delay=[];for(var r=0;r<e;r++)this.rate[r]=t.readUint32(),this.initial_delay[r]=t.readUint32()}),d.createFullBoxCtor("pitm",function(t){0===this.version?this.item_id=t.readUint16():this.item_id=t.readUint32()}),d.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()}),d.createBoxCtor("pmax",function(t){this.bytes=t.readUint32()}),d.createFullBoxCtor("prdi",function(t){if(this.step_count=t.readUint16(),this.item_count=[],2&this.flags)for(var e=0;e<this.step_count;e++)this.item_count[e]=t.readUint16()}),d.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()}),d.createFullBoxCtor("pssh",function(t){if(this.system_id=d.parseHex16(t),this.version>0){var e=t.readUint32();this.kid=[];for(var r=0;r<e;r++)this.kid[r]=d.parseHex16(t)}var s=t.readUint32();s>0&&(this.data=t.readUint8Array(s))}),d.createFullBoxCtor("clef",function(t){this.width=t.readUint32(),this.height=t.readUint32()}),d.createFullBoxCtor("enof",function(t){this.width=t.readUint32(),this.height=t.readUint32()}),d.createFullBoxCtor("prof",function(t){this.width=t.readUint32(),this.height=t.readUint32()}),d.createContainerBoxCtor("tapt",null,["clef","prof","enof"]),d.createBoxCtor("rtp ",function(t){this.descriptionformat=t.readString(4),this.sdptext=t.readString(this.size-this.hdr_size-4)}),d.createFullBoxCtor("saio",function(t){1&this.flags&&(this.aux_info_type=t.readUint32(),this.aux_info_type_parameter=t.readUint32());var e=t.readUint32();this.offset=[];for(var r=0;r<e;r++)0===this.version?this.offset[r]=t.readUint32():this.offset[r]=t.readUint64()}),d.createFullBoxCtor("saiz",function(t){1&this.flags&&(this.aux_info_type=t.readUint32(),this.aux_info_type_parameter=t.readUint32()),this.default_sample_info_size=t.readUint8();var e=t.readUint32();if(this.sample_info_size=[],0===this.default_sample_info_size)for(var r=0;r<e;r++)this.sample_info_size[r]=t.readUint8()}),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_METADATA,"mett",function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.mime_format=t.readCString(),this.parseFooter(t)}),d.createSampleEntryCtor(d.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)}),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_SUBTITLE,"sbtt",function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.mime_format=t.readCString(),this.parseFooter(t)}),d.createSampleEntryCtor(d.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)}),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_SUBTITLE,"stxt",function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.mime_format=t.readCString(),this.parseFooter(t)}),d.createSampleEntryCtor(d.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)}),d.createSampleEntryCtor(d.SAMPLE_ENTRY_TYPE_METADATA,"wvtt",function(t){this.parseHeader(t),this.parseFooter(t)}),d.createSampleGroupCtor("alst",function(t){var e,r=t.readUint16();for(this.first_output_sample=t.readUint16(),this.sample_offset=[],e=0;e<r;e++)this.sample_offset[e]=t.readUint32();var s=this.description_length-4-4*r;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()}),d.createSampleGroupCtor("avll",function(t){this.layerNumber=t.readUint8(),this.accurateStatisticsFlag=t.readUint8(),this.avgBitRate=t.readUint16(),this.avgFrameRate=t.readUint16()}),d.createSampleGroupCtor("avss",function(t){this.subSequenceIdentifier=t.readUint16(),this.layerNumber=t.readUint8();var e=t.readUint8();this.durationFlag=e>>7,this.avgRateFlag=e>>6&1,this.durationFlag&&(this.duration=t.readUint32()),this.avgRateFlag&&(this.accurateStatisticsFlag=t.readUint8(),this.avgBitRate=t.readUint16(),this.avgFrameRate=t.readUint16()),this.dependency=[];for(var r=t.readUint8(),s=0;s<r;s++){var n={};this.dependency.push(n),n.subSeqDirectionFlag=t.readUint8(),n.layerNumber=t.readUint8(),n.subSequenceIdentifier=t.readUint16()}}),d.createSampleGroupCtor("dtrt",function(t){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),d.createSampleGroupCtor("mvif",function(t){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),d.createSampleGroupCtor("prol",function(t){this.roll_distance=t.readInt16()}),d.createSampleGroupCtor("rap ",function(t){var e=t.readUint8();this.num_leading_samples_known=e>>7,this.num_leading_samples=127&e}),d.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)a.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()}}),d.createSampleGroupCtor("roll",function(t){this.roll_distance=t.readInt16()}),d.SampleGroupEntry.prototype.parse=function(t){a.warn("BoxParser","Unknown Sample Group type: "+this.grouping_type),this.data=t.readUint8Array(this.description_length)},d.createSampleGroupCtor("scif",function(t){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),d.createSampleGroupCtor("scnm",function(t){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),d.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=d.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))}),d.createSampleGroupCtor("stsa",function(t){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),d.createSampleGroupCtor("sync",function(t){var e=t.readUint8();this.NAL_unit_type=63&e}),d.createSampleGroupCtor("tele",function(t){var e=t.readUint8();this.level_independently_decodable=e>>7}),d.createSampleGroupCtor("tsas",function(t){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),d.createSampleGroupCtor("tscl",function(t){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),d.createSampleGroupCtor("vipr",function(t){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),d.createFullBoxCtor("sbgp",function(t){this.grouping_type=t.readString(4),1===this.version?this.grouping_type_parameter=t.readUint32():this.grouping_type_parameter=0,this.entries=[];for(var e=t.readUint32(),r=0;r<e;r++){var s={};this.entries.push(s),s.sample_count=t.readInt32(),s.group_description_index=t.readInt32()}}),d.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))}),d.createBoxCtor("sdp ",function(t){this.sdptext=t.readString(this.size-this.hdr_size)}),d.createFullBoxCtor("sdtp",function(t){var e,r=this.size-this.hdr_size;this.is_leading=[],this.sample_depends_on=[],this.sample_is_depended_on=[],this.sample_has_redundancy=[];for(var s=0;s<r;s++)e=t.readUint8(),this.is_leading[s]=e>>6,this.sample_depends_on[s]=e>>4&3,this.sample_is_depended_on[s]=e>>2&3,this.sample_has_redundancy[s]=3&e}),d.createFullBoxCtor("senc"),d.createFullBoxCtor("sgpd",function(t){this.grouping_type=t.readString(4),a.debug("BoxParser","Found Sample Groups of type "+this.grouping_type),1===this.version?this.default_length=t.readUint32():this.default_length=0,this.version>=2&&(this.default_group_description_index=t.readUint32()),this.entries=[];for(var e,r=t.readUint32(),s=0;s<r;s++)e=d[this.grouping_type+"SampleGroupEntry"]?new d[this.grouping_type+"SampleGroupEntry"](this.grouping_type):new d.SampleGroupEntry(this.grouping_type),this.entries.push(e),1===this.version&&0===this.default_length?e.description_length=t.readUint32():e.description_length=this.default_length,e.write===d.SampleGroupEntry.prototype.write&&(a.info("BoxParser","SampleGroup for type "+this.grouping_type+" writing not yet implemented, keeping unparsed data in memory for later write"),e.data=t.readUint8Array(e.description_length),t.position-=e.description_length),e.parse(t)}),d.createFullBoxCtor("sidx",function(t){this.reference_ID=t.readUint32(),this.timescale=t.readUint32(),0===this.version?(this.earliest_presentation_time=t.readUint32(),this.first_offset=t.readUint32()):(this.earliest_presentation_time=t.readUint64(),this.first_offset=t.readUint64()),t.readUint16(),this.references=[];for(var e=t.readUint16(),r=0;r<e;r++){var s={};this.references.push(s);var n=t.readUint32();s.reference_type=n>>31&1,s.referenced_size=2147483647&n,s.subsegment_duration=t.readUint32(),n=t.readUint32(),s.starts_with_SAP=n>>31&1,s.SAP_type=n>>28&7,s.SAP_delta_time=268435455&n}}),d.SingleItemTypeReferenceBox=function(t,e,r,s){d.Box.call(this,t,e),this.hdr_size=r,this.start=s},d.SingleItemTypeReferenceBox.prototype=new d.Box,d.SingleItemTypeReferenceBox.prototype.parse=function(t){this.from_item_ID=t.readUint16();var e=t.readUint16();this.references=[];for(var r=0;r<e;r++)this.references[r]={},this.references[r].to_item_ID=t.readUint16()},d.SingleItemTypeReferenceBoxLarge=function(t,e,r,s){d.Box.call(this,t,e),this.hdr_size=r,this.start=s},d.SingleItemTypeReferenceBoxLarge.prototype=new d.Box,d.SingleItemTypeReferenceBoxLarge.prototype.parse=function(t){this.from_item_ID=t.readUint32();var e=t.readUint16();this.references=[];for(var r=0;r<e;r++)this.references[r]={},this.references[r].to_item_ID=t.readUint32()},d.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()}),d.createFullBoxCtor("smhd",function(t){this.balance=t.readUint16(),t.readUint16()}),d.createFullBoxCtor("ssix",function(t){this.subsegments=[];for(var e=t.readUint32(),r=0;r<e;r++){var s={};this.subsegments.push(s),s.ranges=[];for(var n=t.readUint32(),a=0;a<n;a++){var o={};s.ranges.push(o),o.level=t.readUint8(),o.range_size=t.readUint24()}}}),d.createFullBoxCtor("stco",function(t){var e;if(e=t.readUint32(),this.chunk_offsets=[],0===this.version)for(var r=0;r<e;r++)this.chunk_offsets.push(t.readUint32())}),d.createFullBoxCtor("stdp",function(t){var e=(this.size-this.hdr_size)/2;this.priority=[];for(var r=0;r<e;r++)this.priority[r]=t.readUint16()}),d.createFullBoxCtor("sthd"),d.createFullBoxCtor("stri",function(t){this.switch_group=t.readUint16(),this.alternate_group=t.readUint16(),this.sub_track_id=t.readUint32();var e=(this.size-this.hdr_size-8)/4;this.attribute_list=[];for(var r=0;r<e;r++)this.attribute_list[r]=t.readUint32()}),d.createFullBoxCtor("stsc",function(t){var e,r;if(e=t.readUint32(),this.first_chunk=[],this.samples_per_chunk=[],this.sample_description_index=[],0===this.version)for(r=0;r<e;r++)this.first_chunk.push(t.readUint32()),this.samples_per_chunk.push(t.readUint32()),this.sample_description_index.push(t.readUint32())}),d.createFullBoxCtor("stsd",function(t){var e,r,s,n;for(this.entries=[],s=t.readUint32(),e=1;e<=s;e++)if((r=d.parseOneBox(t,!0,this.size-(t.getPosition()-this.start))).code!==d.OK)return;else d[r.type+"SampleEntry"]?((n=new d[r.type+"SampleEntry"](r.size)).hdr_size=r.hdr_size,n.start=r.start):(a.warn("BoxParser","Unknown sample entry type: "+r.type),n=new d.SampleEntry(r.type,r.size,r.hdr_size,r.start)),n.write===d.SampleEntry.prototype.write&&(a.info("BoxParser","SampleEntry "+n.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),n.parseDataAndRewind(t)),n.parse(t),this.entries.push(n)}),d.createFullBoxCtor("stsg",function(t){this.grouping_type=t.readUint32();var e=t.readUint16();this.group_description_index=[];for(var r=0;r<e;r++)this.group_description_index[r]=t.readUint32()}),d.createFullBoxCtor("stsh",function(t){var e,r;if(e=t.readUint32(),this.shadowed_sample_numbers=[],this.sync_sample_numbers=[],0===this.version)for(r=0;r<e;r++)this.shadowed_sample_numbers.push(t.readUint32()),this.sync_sample_numbers.push(t.readUint32())}),d.createFullBoxCtor("stss",function(t){var e,r;if(r=t.readUint32(),0===this.version)for(this.sample_numbers=[],e=0;e<r;e++)this.sample_numbers.push(t.readUint32())}),d.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}),d.createFullBoxCtor("stts",function(t){var e,r,s;if(e=t.readUint32(),this.sample_counts=[],this.sample_deltas=[],0===this.version)for(r=0;r<e;r++)this.sample_counts.push(t.readUint32()),(s=t.readInt32())<0&&(a.warn("BoxParser","File uses negative stts sample delta, using value 1 instead, sync may be lost!"),s=1),this.sample_deltas.push(s)}),d.createFullBoxCtor("stvi",function(t){var e,r,s=t.readUint32();this.single_view_allowed=3&s,this.stereo_scheme=t.readUint32();var n=t.readUint32();for(this.stereo_indication_type=t.readString(n),this.boxes=[];t.getPosition()<this.start+this.size;)if((e=d.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==d.OK)return;else r=e.box,this.boxes.push(r),this[r.type]=r}),d.createBoxCtor("styp",function(t){d.ftypBox.prototype.parse.call(this,t)}),d.createFullBoxCtor("stz2",function(t){var e,r;if(this.sample_sizes=[],0===this.version){if(this.reserved=t.readUint24(),this.field_size=t.readUint8(),r=t.readUint32(),4===this.field_size)for(e=0;e<r;e+=2){var s=t.readUint8();this.sample_sizes[e]=s>>4&15,this.sample_sizes[e+1]=15&s}else if(8===this.field_size)for(e=0;e<r;e++)this.sample_sizes[e]=t.readUint8();else if(16===this.field_size)for(e=0;e<r;e++)this.sample_sizes[e]=t.readUint16();else a.error("BoxParser","Error in length field in stz2 box")}}),d.createFullBoxCtor("subs",function(t){var e,r,s,n;for(s=t.readUint32(),this.entries=[],e=0;e<s;e++){var a={};if(this.entries[e]=a,a.sample_delta=t.readUint32(),a.subsamples=[],(n=t.readUint16())>0)for(r=0;r<n;r++){var o={};a.subsamples.push(o),1==this.version?o.size=t.readUint32():o.size=t.readUint16(),o.priority=t.readUint8(),o.discardable=t.readUint8(),o.codec_specific_parameters=t.readUint32()}}}),d.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=d.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))}),d.createFullBoxCtor("tfdt",function(t){1==this.version?this.baseMediaDecodeTime=t.readUint64():this.baseMediaDecodeTime=t.readUint32()}),d.createFullBoxCtor("tfhd",function(t){var e=0;this.track_id=t.readUint32(),this.size-this.hdr_size>e&&this.flags&d.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&d.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&d.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&d.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&d.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=t.readUint32(),e+=4):this.default_sample_flags=0}),d.createFullBoxCtor("tfra",function(t){this.track_ID=t.readUint32(),t.readUint24();var e=t.readUint8();this.length_size_of_traf_num=e>>4&3,this.length_size_of_trun_num=e>>2&3,this.length_size_of_sample_num=3&e,this.entries=[];for(var r=t.readUint32(),s=0;s<r;s++)1===this.version?(this.time=t.readUint64(),this.moof_offset=t.readUint64()):(this.time=t.readUint32(),this.moof_offset=t.readUint32()),this.traf_number=t["readUint"+8*(this.length_size_of_traf_num+1)](),this.trun_number=t["readUint"+8*(this.length_size_of_trun_num+1)](),this.sample_number=t["readUint"+8*(this.length_size_of_sample_num+1)]()}),d.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()}),d.createBoxCtor("tmax",function(t){this.time=t.readUint32()}),d.createBoxCtor("tmin",function(t){this.time=t.readUint32()}),d.createBoxCtor("totl",function(t){this.bytessent=t.readUint32()}),d.createBoxCtor("tpay",function(t){this.bytessent=t.readUint32()}),d.createBoxCtor("tpyl",function(t){this.bytessent=t.readUint64()}),d.TrackGroupTypeBox.prototype.parse=function(t){this.parseFullHeader(t),this.track_group_id=t.readUint32()},d.createTrackGroupCtor("msrc"),d.TrackReferenceTypeBox=function(t,e,r,s){d.Box.call(this,t,e),this.hdr_size=r,this.start=s},d.TrackReferenceTypeBox.prototype=new d.Box,d.TrackReferenceTypeBox.prototype.parse=function(t){this.track_ids=t.readUint32Array((this.size-this.hdr_size)/4)},d.trefBox.prototype.parse=function(t){for(var e,r;t.getPosition()<this.start+this.size;)if((e=d.parseOneBox(t,!0,this.size-(t.getPosition()-this.start))).code!==d.OK)return;else(r=new d.TrackReferenceTypeBox(e.type,e.size,e.hdr_size,e.start)).write===d.Box.prototype.write&&"mdat"!==r.type&&(a.info("BoxParser","TrackReference "+r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(t)),r.parse(t),this.boxes.push(r)},d.createFullBoxCtor("trep",function(t){for(this.track_ID=t.readUint32(),this.boxes=[];t.getPosition()<this.start+this.size;)if((ret=d.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==d.OK)return;else box=ret.box,this.boxes.push(box)}),d.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()}),d.createBoxCtor("trpy",function(t){this.bytessent=t.readUint64()}),d.createFullBoxCtor("trun",function(t){var e=0;if(this.sample_count=t.readUint32(),e+=4,this.size-this.hdr_size>e&&this.flags&d.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=t.readInt32(),e+=4):this.data_offset=0,this.size-this.hdr_size>e&&this.flags&d.TRUN_FLAGS_FIRST_FLAG?(this.first_sample_flags=t.readUint32(),e+=4):this.first_sample_flags=0,this.sample_duration=[],this.sample_size=[],this.sample_flags=[],this.sample_composition_time_offset=[],this.size-this.hdr_size>e)for(var r=0;r<this.sample_count;r++)this.flags&d.TRUN_FLAGS_DURATION&&(this.sample_duration[r]=t.readUint32()),this.flags&d.TRUN_FLAGS_SIZE&&(this.sample_size[r]=t.readUint32()),this.flags&d.TRUN_FLAGS_FLAGS&&(this.sample_flags[r]=t.readUint32()),this.flags&d.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?this.sample_composition_time_offset[r]=t.readUint32():this.sample_composition_time_offset[r]=t.readInt32())}),d.createFullBoxCtor("tsel",function(t){this.switch_group=t.readUint32();var e=(this.size-this.hdr_size-4)/4;this.attribute_list=[];for(var r=0;r<e;r++)this.attribute_list[r]=t.readUint32()}),d.createFullBoxCtor("txtC",function(t){this.config=t.readCString()}),d.createBoxCtor("tyco",function(t){var e=(this.size-this.hdr_size)/4;this.compatible_brands=[];for(var r=0;r<e;r++)this.compatible_brands[r]=t.readString(4)}),d.createFullBoxCtor("udes",function(t){this.lang=t.readCString(),this.name=t.readCString(),this.description=t.readCString(),this.tags=t.readCString()}),d.createFullBoxCtor("uncC",function(t){for(this.profile=t.readUint32(),this.component_count=t.readUint16(),this.component_index=[],this.component_bit_depth_minus_one=[],this.component_format=[],this.component_align_size=[],e=0;e<this.component_count;e++)this.component_index.push(t.readUint16()),this.component_bit_depth_minus_one.push(t.readUint8()),this.component_format.push(t.readUint8()),this.component_align_size.push(t.readUint8());this.sampling_type=t.readUint8(),this.interleave_type=t.readUint8(),this.block_size=t.readUint8();var e,r=t.readUint8();this.component_little_endian=r>>7&1,this.block_pad_lsb=r>>6&1,this.block_little_endian=r>>5&1,this.block_reversed=r>>4&1,this.pad_unknown=r>>3&1,this.pixel_size=t.readUint8(),this.row_align_size=t.readUint32(),this.tile_align_size=t.readUint32(),this.num_tile_cols_minus_one=t.readUint32(),this.num_tile_rows_minus_one=t.readUint32()}),d.createFullBoxCtor("url ",function(t){1!==this.flags&&(this.location=t.readCString())}),d.createFullBoxCtor("urn ",function(t){this.name=t.readCString(),this.size-this.hdr_size-this.name.length-1>0&&(this.location=t.readCString())}),d.createUUIDBox("a5d40b30e81411ddba2f0800200c9a66",!0,!1,function(t){this.LiveServerManifest=t.readString(this.size-this.hdr_size).replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;").replace(/'/g,"&#039;")}),d.createUUIDBox("d08a4f1810f34a82b6c832d8aba183d3",!0,!1,function(t){this.system_id=d.parseHex16(t);var e=t.readUint32();e>0&&(this.data=t.readUint8Array(e))}),d.createUUIDBox("a2394f525a9b4f14a2446c427c648df4",!0,!1),d.createUUIDBox("8974dbce7be74c5184f97148f9882554",!0,!1,function(t){this.default_AlgorithmID=t.readUint24(),this.default_IV_size=t.readUint8(),this.default_KID=d.parseHex16(t)}),d.createUUIDBox("d4807ef2ca3946958e5426cb9e46a79f",!0,!1,function(t){this.fragment_count=t.readUint8(),this.entries=[];for(var e=0;e<this.fragment_count;e++){var r={},s=0,n=0;1===this.version?(s=t.readUint64(),n=t.readUint64()):(s=t.readUint32(),n=t.readUint32()),r.absolute_time=s,r.absolute_duration=n,this.entries.push(r)}}),d.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())}),d.createFullBoxCtor("vmhd",function(t){this.graphicsmode=t.readUint16(),this.opcolor=t.readUint16Array(3)}),d.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)}),d.createBoxCtor("vttC",function(t){this.text=t.readString(this.size-this.hdr_size)}),d.createFullBoxCtor("vvcC",function(t){var e,r,s={held_bits:void 0,num_held_bits:0,stream_read_1_bytes:function(t){this.held_bits=t.readUint8(),this.num_held_bits=8},stream_read_2_bytes:function(t){this.held_bits=t.readUint16(),this.num_held_bits=16},extract_bits:function(t){var e=this.held_bits>>this.num_held_bits-t&(1<<t)-1;return this.num_held_bits-=t,e}};if(s.stream_read_1_bytes(t),s.extract_bits(5),this.lengthSizeMinusOne=s.extract_bits(2),this.ptl_present_flag=s.extract_bits(1),this.ptl_present_flag){if(s.stream_read_2_bytes(t),this.ols_idx=s.extract_bits(9),this.num_sublayers=s.extract_bits(3),this.constant_frame_rate=s.extract_bits(2),this.chroma_format_idc=s.extract_bits(2),s.stream_read_1_bytes(t),this.bit_depth_minus8=s.extract_bits(3),s.extract_bits(5),s.stream_read_2_bytes(t),s.extract_bits(2),this.num_bytes_constraint_info=s.extract_bits(6),this.general_profile_idc=s.extract_bits(7),this.general_tier_flag=s.extract_bits(1),this.general_level_idc=t.readUint8(),s.stream_read_1_bytes(t),this.ptl_frame_only_constraint_flag=s.extract_bits(1),this.ptl_multilayer_enabled_flag=s.extract_bits(1),this.general_constraint_info=new Uint8Array(this.num_bytes_constraint_info),this.num_bytes_constraint_info){for(e=0;e<this.num_bytes_constraint_info-1;e++){var n=s.extract_bits(6);s.stream_read_1_bytes(t);var a=s.extract_bits(2);this.general_constraint_info[e]=n<<2|a}this.general_constraint_info[this.num_bytes_constraint_info-1]=s.extract_bits(6)}else s.extract_bits(6);if(this.num_sublayers>1){for(s.stream_read_1_bytes(t),this.ptl_sublayer_present_mask=0,r=this.num_sublayers-2;r>=0;--r){var o=s.extract_bits(1);this.ptl_sublayer_present_mask|=o<<r}for(r=this.num_sublayers;r<=8&&this.num_sublayers>1;++r)s.extract_bits(1);for(this.sublayer_level_idc=[],r=this.num_sublayers-2;r>=0;--r)this.ptl_sublayer_present_mask&1<<r&&(this.sublayer_level_idc[r]=t.readUint8())}if(this.ptl_num_sub_profiles=t.readUint8(),this.general_sub_profile_idc=[],this.ptl_num_sub_profiles)for(e=0;e<this.ptl_num_sub_profiles;e++)this.general_sub_profile_idc.push(t.readUint32());this.max_picture_width=t.readUint16(),this.max_picture_height=t.readUint16(),this.avg_frame_rate=t.readUint16()}this.nalu_arrays=[];var h=t.readUint8();for(e=0;e<h;e++){var l=[];this.nalu_arrays.push(l),s.stream_read_1_bytes(t),l.completeness=s.extract_bits(1),s.extract_bits(2),l.nalu_type=s.extract_bits(5);var u=1;for(13!=l.nalu_type&&12!=l.nalu_type&&(u=t.readUint16()),r=0;r<u;r++){var d=t.readUint16();l.push({data:t.readUint8Array(d),length:d})}}}),d.createFullBoxCtor("vvnC",function(t){var e=strm.readUint8();this.lengthSizeMinusOne=3&e}),d.SampleEntry.prototype.isVideo=function(){return!1},d.SampleEntry.prototype.isAudio=function(){return!1},d.SampleEntry.prototype.isSubtitle=function(){return!1},d.SampleEntry.prototype.isMetadata=function(){return!1},d.SampleEntry.prototype.isHint=function(){return!1},d.SampleEntry.prototype.getCodec=function(){return this.type.replace(".","")},d.SampleEntry.prototype.getWidth=function(){return""},d.SampleEntry.prototype.getHeight=function(){return""},d.SampleEntry.prototype.getChannelCount=function(){return""},d.SampleEntry.prototype.getSampleRate=function(){return""},d.SampleEntry.prototype.getSampleSize=function(){return""},d.VisualSampleEntry.prototype.isVideo=function(){return!0},d.VisualSampleEntry.prototype.getWidth=function(){return this.width},d.VisualSampleEntry.prototype.getHeight=function(){return this.height},d.AudioSampleEntry.prototype.isAudio=function(){return!0},d.AudioSampleEntry.prototype.getChannelCount=function(){return this.channel_count},d.AudioSampleEntry.prototype.getSampleRate=function(){return this.samplerate},d.AudioSampleEntry.prototype.getSampleSize=function(){return this.samplesize},d.SubtitleSampleEntry.prototype.isSubtitle=function(){return!0},d.MetadataSampleEntry.prototype.isMetadata=function(){return!0},d.decimalToHex=function(t,e){var r=Number(t).toString(16);for(e=typeof e>"u"||null===e?e=2:e;r.length<e;)r="0"+r;return r},d.avc1SampleEntry.prototype.getCodec=d.avc2SampleEntry.prototype.getCodec=d.avc3SampleEntry.prototype.getCodec=d.avc4SampleEntry.prototype.getCodec=function(){var t=d.SampleEntry.prototype.getCodec.call(this);return this.avcC?t+"."+d.decimalToHex(this.avcC.AVCProfileIndication)+d.decimalToHex(this.avcC.profile_compatibility)+d.decimalToHex(this.avcC.AVCLevelIndication):t},d.hev1SampleEntry.prototype.getCodec=d.hvc1SampleEntry.prototype.getCodec=function(){var t,e=d.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+".";var r=this.hvcC.general_profile_compatibility,s=0;for(t=0;t<32&&(s|=1&r,31!=t);t++)s<<=1,r>>=1;e+=d.decimalToHex(s,0)+".",0===this.hvcC.general_tier_flag?e+="L":e+="H",e+=this.hvcC.general_level_idc;var n=!1,a="";for(t=5;t>=0;t--)(this.hvcC.general_constraint_indicator[t]||n)&&(a="."+d.decimalToHex(this.hvcC.general_constraint_indicator[t],0)+a,n=!0);e+=a}return e},d.vvc1SampleEntry.prototype.getCodec=d.vvi1SampleEntry.prototype.getCodec=function(){var t,e=d.SampleEntry.prototype.getCodec.call(this);if(this.vvcC){e+="."+this.vvcC.general_profile_idc,this.vvcC.general_tier_flag?e+=".H":e+=".L",e+=this.vvcC.general_level_idc;var r="";if(this.vvcC.general_constraint_info){var s,n,a=[];for(n=0|this.vvcC.ptl_frame_only_constraint<<7|this.vvcC.ptl_multilayer_enabled<<6,t=0;t<this.vvcC.general_constraint_info.length;++t)n|=this.vvcC.general_constraint_info[t]>>2&63,a.push(n),n&&(s=t),n=this.vvcC.general_constraint_info[t]>>2&3;if(void 0===s)r=".CA";else{r=".C";var o="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",h=0,l=0;for(t=0;t<=s;++t)for(h=h<<8|a[t],l+=8;l>=5;)r+=o[h>>l-5&31],l-=5,h&=(1<<l)-1;l&&(h<<=5-l,r+=o[31&h])}}e+=r}return e},d.mp4aSampleEntry.prototype.getCodec=function(){var t=d.SampleEntry.prototype.getCodec.call(this);if(!this.esds||!this.esds.esd)return t;var e=this.esds.esd.getOTI(),r=this.esds.esd.getAudioConfig();return t+"."+d.decimalToHex(e)+(r?"."+r:"")},d.stxtSampleEntry.prototype.getCodec=function(){var t=d.SampleEntry.prototype.getCodec.call(this);return this.mime_format?t+"."+this.mime_format:t},d.vp08SampleEntry.prototype.getCodec=d.vp09SampleEntry.prototype.getCodec=function(){var t=d.SampleEntry.prototype.getCodec.call(this),e=this.vpcC.level;0==e&&(e="00");var r=this.vpcC.bitDepth;return 8==r&&(r="08"),t+".0"+this.vpcC.profile+"."+e+"."+r},d.av01SampleEntry.prototype.getCodec=function(){var t,e=d.SampleEntry.prototype.getCodec.call(this),r=this.av1C.seq_level_idx_0;return r<10&&(r="0"+r),2===this.av1C.seq_profile&&1===this.av1C.high_bitdepth?t=1===this.av1C.twelve_bit?"12":"10":this.av1C.seq_profile<=2&&(t=1===this.av1C.high_bitdepth?"10":"08"),e+"."+this.av1C.seq_profile+"."+r+(this.av1C.seq_tier_0?"H":"M")+"."+t},d.Box.prototype.writeHeader=function(t,e){this.size+=8,this.size>4294967296&&(this.size+=8),"uuid"===this.type&&(this.size+=16),a.debug("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+t.getPosition()+(e||"")),this.size>4294967296?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>4294967296&&t.writeUint64(this.size)},d.FullBox.prototype.writeHeader=function(t){this.size+=4,d.Box.prototype.writeHeader.call(this,t," v="+this.version+" f="+this.flags),t.writeUint8(this.version),t.writeUint24(this.flags)},d.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))},d.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);a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},d.TrackReferenceTypeBox.prototype.write=function(t){this.size=4*this.track_ids.length,this.writeHeader(t),t.writeUint32Array(this.track_ids)},d.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)},d.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])},d.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)},d.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])},d.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;a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},d.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)},d.elstBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4+12*this.entries.length,this.writeHeader(t),t.writeUint32(this.entries.length);for(var e=0;e<this.entries.length;e++){var r=this.entries[e];t.writeUint32(r.segment_duration),t.writeInt32(r.media_time),t.writeInt16(r.media_rate_integer),t.writeInt16(r.media_rate_fraction)}},d.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)},d.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)},d.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)},d.hvcCBox.prototype.write=function(t){var e,r;for(this.size=23,e=0;e<this.nalu_arrays.length;e++)for(this.size+=3,r=0;r<this.nalu_arrays[e].length;r++)this.size+=2+this.nalu_arrays[e][r].data.length;for(this.writeHeader(t),t.writeUint8(this.configurationVersion),t.writeUint8(this.general_profile_space<<6+this.general_tier_flag<<5+this.general_profile_idc),t.writeUint32(this.general_profile_compatibility),t.writeUint8Array(this.general_constraint_indicator),t.writeUint8(this.general_level_idc),t.writeUint16(this.min_spatial_segmentation_idc+251658240),t.writeUint8(this.parallelismType+252),t.writeUint8(this.chroma_format_idc+252),t.writeUint8(this.bit_depth_luma_minus8+248),t.writeUint8(this.bit_depth_chroma_minus8+248),t.writeUint16(this.avgFrameRate),t.writeUint8((this.constantFrameRate<<6)+(this.numTemporalLayers<<3)+(this.temporalIdNested<<2)+this.lengthSizeMinusOne),t.writeUint8(this.nalu_arrays.length),e=0;e<this.nalu_arrays.length;e++)for(t.writeUint8((this.nalu_arrays[e].completeness<<7)+this.nalu_arrays[e].nalu_type),t.writeUint16(this.nalu_arrays[e].length),r=0;r<this.nalu_arrays[e].length;r++)t.writeUint16(this.nalu_arrays[e][r].data.length),t.writeUint8Array(this.nalu_arrays[e][r].data)},d.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)},d.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)},d.mehdBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4,this.writeHeader(t),t.writeUint32(this.fragment_duration)},d.mfhdBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4,this.writeHeader(t),t.writeUint32(this.sequence_number)},d.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)},d.SampleEntry.prototype.writeHeader=function(t){this.size=8,d.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)},d.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;a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},d.SampleEntry.prototype.write=function(t){this.writeHeader(t),t.writeUint8Array(this.data),this.size+=this.data.length,a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},d.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)},d.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)},d.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)},d.SampleGroupEntry.prototype.write=function(t){t.writeUint8Array(this.data)},d.sbgpBox.prototype.write=function(t){this.version=1,this.flags=0,this.size=12+8*this.entries.length,this.writeHeader(t),t.writeString(this.grouping_type,null,4),t.writeUint32(this.grouping_type_parameter),t.writeUint32(this.entries.length);for(var e=0;e<this.entries.length;e++){var r=this.entries[e];t.writeInt32(r.sample_count),t.writeInt32(r.group_description_index)}},d.sgpdBox.prototype.write=function(t){var e,r;for(this.flags=0,this.size=12,e=0;e<this.entries.length;e++)r=this.entries[e],1===this.version&&(0===this.default_length&&(this.size+=4),this.size+=r.data.length);for(this.writeHeader(t),t.writeString(this.grouping_type,null,4),1===this.version&&t.writeUint32(this.default_length),this.version>=2&&t.writeUint32(this.default_sample_description_index),t.writeUint32(this.entries.length),e=0;e<this.entries.length;e++)r=this.entries[e],1===this.version&&0===this.default_length&&t.writeUint32(r.description_length),r.write(t)},d.sidxBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=20+12*this.references.length,this.writeHeader(t),t.writeUint32(this.reference_ID),t.writeUint32(this.timescale),t.writeUint32(this.earliest_presentation_time),t.writeUint32(this.first_offset),t.writeUint16(0),t.writeUint16(this.references.length);for(var e=0;e<this.references.length;e++){var r=this.references[e];t.writeUint32(r.reference_type<<31|r.referenced_size),t.writeUint32(r.subsegment_duration),t.writeUint32(r.starts_with_SAP<<31|r.SAP_type<<28|r.SAP_delta_time)}},d.smhdBox.prototype.write=function(t){this.version=0,this.flags=1,this.size=4,this.writeHeader(t),t.writeUint16(this.balance),t.writeUint16(0)},d.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)},d.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])},d.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;a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},d.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])},d.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)},d.stszBox.prototype.write=function(t){var e,r=!0;if(this.version=0,this.flags=0,this.sample_sizes.length>0)for(e=0;e+1<this.sample_sizes.length;)if(this.sample_sizes[e+1]!==this.sample_sizes[0]){r=!1;break}else e++;else r=!1;this.size=8,r||(this.size+=4*this.sample_sizes.length),this.writeHeader(t),r?t.writeUint32(this.sample_sizes[0]):t.writeUint32(0),t.writeUint32(this.sample_sizes.length),r||t.writeUint32Array(this.sample_sizes)},d.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])},d.tfdtBox.prototype.write=function(t){this.version=this.baseMediaDecodeTime>4294967295?1:0,this.flags=0,this.size=4,1===this.version&&(this.size+=4),this.writeHeader(t),1===this.version?t.writeUint64(this.baseMediaDecodeTime):t.writeUint32(this.baseMediaDecodeTime)},d.tfhdBox.prototype.write=function(t){this.version=0,this.size=4,this.flags&d.TFHD_FLAG_BASE_DATA_OFFSET&&(this.size+=8),this.flags&d.TFHD_FLAG_SAMPLE_DESC&&(this.size+=4),this.flags&d.TFHD_FLAG_SAMPLE_DUR&&(this.size+=4),this.flags&d.TFHD_FLAG_SAMPLE_SIZE&&(this.size+=4),this.flags&d.TFHD_FLAG_SAMPLE_FLAGS&&(this.size+=4),this.writeHeader(t),t.writeUint32(this.track_id),this.flags&d.TFHD_FLAG_BASE_DATA_OFFSET&&t.writeUint64(this.base_data_offset),this.flags&d.TFHD_FLAG_SAMPLE_DESC&&t.writeUint32(this.default_sample_description_index),this.flags&d.TFHD_FLAG_SAMPLE_DUR&&t.writeUint32(this.default_sample_duration),this.flags&d.TFHD_FLAG_SAMPLE_SIZE&&t.writeUint32(this.default_sample_size),this.flags&d.TFHD_FLAG_SAMPLE_FLAGS&&t.writeUint32(this.default_sample_flags)},d.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)},d.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)},d.trunBox.prototype.write=function(t){this.version=0,this.size=4,this.flags&d.TRUN_FLAGS_DATA_OFFSET&&(this.size+=4),this.flags&d.TRUN_FLAGS_FIRST_FLAG&&(this.size+=4),this.flags&d.TRUN_FLAGS_DURATION&&(this.size+=4*this.sample_duration.length),this.flags&d.TRUN_FLAGS_SIZE&&(this.size+=4*this.sample_size.length),this.flags&d.TRUN_FLAGS_FLAGS&&(this.size+=4*this.sample_flags.length),this.flags&d.TRUN_FLAGS_CTS_OFFSET&&(this.size+=4*this.sample_composition_time_offset.length),this.writeHeader(t),t.writeUint32(this.sample_count),this.flags&d.TRUN_FLAGS_DATA_OFFSET&&(this.data_offset_position=t.getPosition(),t.writeInt32(this.data_offset)),this.flags&d.TRUN_FLAGS_FIRST_FLAG&&t.writeUint32(this.first_sample_flags);for(var e=0;e<this.sample_count;e++)this.flags&d.TRUN_FLAGS_DURATION&&t.writeUint32(this.sample_duration[e]),this.flags&d.TRUN_FLAGS_SIZE&&t.writeUint32(this.sample_size[e]),this.flags&d.TRUN_FLAGS_FLAGS&&t.writeUint32(this.sample_flags[e]),this.flags&d.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?t.writeUint32(this.sample_composition_time_offset[e]):t.writeInt32(this.sample_composition_time_offset[e]))},d["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)},d["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)},d.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)},d.cttsBox.prototype.unpack=function(t){var e,r,s;for(s=0,e=0;e<this.sample_counts.length;e++)for(r=0;r<this.sample_counts[e];r++)t[s].pts=t[s].dts+this.sample_offsets[e],s++},d.sttsBox.prototype.unpack=function(t){var e,r,s;for(s=0,e=0;e<this.sample_counts.length;e++)for(r=0;r<this.sample_counts[e];r++)0===s?t[s].dts=0:t[s].dts=t[s-1].dts+this.sample_deltas[e],s++},d.stcoBox.prototype.unpack=function(t){var e;for(e=0;e<this.chunk_offsets.length;e++)t[e].offset=this.chunk_offsets[e]},d.stscBox.prototype.unpack=function(t){var e,r,s,n,a;for(n=0,a=0,e=0;e<this.first_chunk.length;e++)for(r=0;r<(e+1<this.first_chunk.length?this.first_chunk[e+1]:1/0);r++)for(a++,s=0;s<this.samples_per_chunk[e];s++){if(!t[n])return;t[n].description_index=this.sample_description_index[e],t[n].chunk_index=a,n++}},d.stszBox.prototype.unpack=function(t){var e;for(e=0;e<this.sample_sizes.length;e++)t[e].size=this.sample_sizes[e]},d.DIFF_BOXES_PROP_NAMES=["boxes","entries","references","subsamples","items","item_infos","extents","associations","subsegments","ranges","seekLists","seekPoints","esd","levels"],d.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"],d.boxEqualFields=function(t,e){var r;if(t&&!e)return!1;for(r in t)if(!(d.DIFF_BOXES_PROP_NAMES.indexOf(r)>-1)){if(t[r]instanceof d.Box||e[r]instanceof d.Box||typeof t[r]>"u"||typeof e[r]>"u"||"function"==typeof t[r]||"function"==typeof e[r]||t.subBoxNames&&t.subBoxNames.indexOf(r.slice(0,4))>-1||e.subBoxNames&&e.subBoxNames.indexOf(r.slice(0,4))>-1||"data"===r||"start"===r||"size"===r||"creation_time"===r||"modification_time"===r||d.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(r)>-1)continue;if(t[r]!==e[r])return!1}return!0},d.boxEqual=function(t,e){if(!d.boxEqualFields(t,e))return!1;for(var r=0;r<d.DIFF_BOXES_PROP_NAMES.length;r++){var s=d.DIFF_BOXES_PROP_NAMES[r];if(t[s]&&e[s]&&!d.boxEqual(t[s],e[s]))return!1}return!0},(f=function(){}).prototype.parseSample=function(t){var e,r={};r.resources=[];var s=new o(t.data.buffer);if(t.subsamples&&0!==t.subsamples.length){if(r.documentString=s.readString(t.subsamples[0].size),t.subsamples.length>1)for(e=1;e<t.subsamples.length;e++)r.resources[e]=s.readUint8Array(t.subsamples[e].size)}else r.documentString=s.readString(t.data.length);return"u">typeof DOMParser&&(r.document=new DOMParser().parseFromString(r.documentString,"application/xml")),r},(p=function(){}).prototype.parseSample=function(t){return new o(t.data.buffer).readString(t.data.length)},p.prototype.parseConfig=function(t){var e=new o(t.buffer);return e.readUint32(),e.readCString()},iT.XMLSubtitlein4Parser=f,iT.Textin4Parser=p,(c=function(t){this.stream=t||new l,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,r){var s=this.getTrackById(t);if(s){var n={};this.fragmentedTracks.push(n),n.id=t,n.user=e,n.trak=s,s.nextSample=0,n.segmentStream=null,n.nb_samples=1e3,n.rapAlignement=!0,r&&(r.nbSamples&&(n.nb_samples=r.nbSamples),r.rapAlignement&&(n.rapAlignement=r.rapAlignement))}},c.prototype.unsetSegmentOptions=function(t){for(var e=-1,r=0;r<this.fragmentedTracks.length;r++)this.fragmentedTracks[r].id==t&&(e=r);e>-1&&this.fragmentedTracks.splice(e,1)},c.prototype.setExtractionOptions=function(t,e,r){var s=this.getTrackById(t);if(s){var n={};this.extractedTracks.push(n),n.id=t,n.user=e,n.trak=s,s.nextSample=0,n.nb_samples=1e3,n.samples=[],r&&r.nbSamples&&(n.nb_samples=r.nbSamples)}},c.prototype.unsetExtractionOptions=function(t){for(var e=-1,r=0;r<this.extractedTracks.length;r++)this.extractedTracks[r].id==t&&(e=r);e>-1&&this.extractedTracks.splice(e,1)},c.prototype.parse=function(){var t,e,r;if(!(this.restoreParsePosition&&!this.restoreParsePosition()))for(;;)if(this.hasIncompleteMdat&&this.hasIncompleteMdat()){if(this.processIncompleteMdat())continue;return}else if(this.saveParsePosition&&this.saveParsePosition(),(e=d.parseOneBox(this.stream,!1)).code===d.ERR_NOT_ENOUGH_DATA){if(!this.processIncompleteBox)return;if(this.processIncompleteBox(e))continue;return}else{switch(t="uuid"!==(r=e.box).type?r.type:r.uuid,this.boxes.push(r),t){case"mdat":this.mdats.push(r);break;case"moof":this.moofs.push(r);break;case"moov":this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0);default:void 0!==this[t]&&a.warn("ISOFile","Duplicate Box of type: "+t+", overriding previous occurrence"),this[t]=r}this.updateUsedBytes&&this.updateUsedBytes(r,e)}},c.prototype.checkBuffer=function(t){if(null==t)throw"Buffer must be defined and non empty";if(void 0===t.fileStart)throw"Buffer must have a fileStart property";return 0===t.byteLength?(a.warn("ISOFile","Ignoring empty buffer (fileStart: "+t.fileStart+")"),this.stream.logBufferLevel(),!1):(a.info("ISOFile","Processing buffer (fileStart: "+t.fileStart+")"),t.usedBytes=0,this.stream.insertBuffer(t),this.stream.logBufferLevel(),!!this.stream.initialized()||(a.warn("ISOFile","Not ready to start parsing"),!1))},c.prototype.appendBuffer=function(t,e){var r;if(this.checkBuffer(t))return this.parse(),this.moovStartFound&&!this.moovStartSent&&(this.moovStartSent=!0,this.onMoovStart&&this.onMoovStart()),this.moov?(this.sampleListBuilt||(this.buildSampleLists(),this.sampleListBuilt=!0),this.updateSampleLists(),this.onReady&&!this.readySent&&(this.readySent=!0,this.onReady(this.getInfo())),this.processSamples(e),this.nextSeekPosition?(r=this.nextSeekPosition,this.nextSeekPosition=void 0):r=this.nextParsePosition,this.stream.getEndFilePositionAfter&&(r=this.stream.getEndFilePositionAfter(r))):r=this.nextParsePosition?this.nextParsePosition:0,this.sidx&&this.onSidx&&!this.sidxSent&&(this.onSidx(this.sidx),this.sidxSent=!0),this.meta&&(this.flattenItemInfo&&!this.itemListBuilt&&(this.flattenItemInfo(),this.itemListBuilt=!0),this.processItems&&this.processItems(this.onItem)),this.stream.cleanBuffers&&(a.info("ISOFile","Done processing buffer (fileStart: "+t.fileStart+") - next buffer to fetch should have a fileStart position of "+r),this.stream.logBufferLevel(),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0),a.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),r},c.prototype.getInfo=function(){var t,e,r,s,n,a,o={},h=/* @__PURE__ */new Date("1904-01-01T00:00:00Z").getTime();if(this.moov)for(o.hasMoov=!0,o.duration=this.moov.mvhd.duration,o.timescale=this.moov.mvhd.timescale,o.isFragmented=null!=this.moov.mvex,o.isFragmented&&this.moov.mvex.mehd&&(o.fragment_duration=this.moov.mvex.mehd.fragment_duration),o.isProgressive=this.isProgressive,o.hasIOD=null!=this.moov.iods,o.brands=[],o.brands.push(this.ftyp.major_brand),o.brands=o.brands.concat(this.ftyp.compatible_brands),o.created=new Date(h+1e3*this.moov.mvhd.creation_time),o.modified=new Date(h+1e3*this.moov.mvhd.modification_time),o.tracks=[],o.audioTracks=[],o.videoTracks=[],o.subtitleTracks=[],o.metadataTracks=[],o.hintTracks=[],o.otherTracks=[],t=0;t<this.moov.traks.length;t++){if(a=(r=this.moov.traks[t]).mdia.minf.stbl.stsd.entries[0],s={},o.tracks.push(s),s.id=r.tkhd.track_id,s.name=r.mdia.hdlr.name,s.references=[],r.tref)for(e=0;e<r.tref.boxes.length;e++)n={},s.references.push(n),n.type=r.tref.boxes[e].type,n.track_ids=r.tref.boxes[e].track_ids;r.edts&&(s.edits=r.edts.elst.entries),s.created=new Date(h+1e3*r.tkhd.creation_time),s.modified=new Date(h+1e3*r.tkhd.modification_time),s.movie_duration=r.tkhd.duration,s.movie_timescale=o.timescale,s.layer=r.tkhd.layer,s.alternate_group=r.tkhd.alternate_group,s.volume=r.tkhd.volume,s.matrix=r.tkhd.matrix,s.track_width=r.tkhd.width/65536,s.track_height=r.tkhd.height/65536,s.timescale=r.mdia.mdhd.timescale,s.cts_shift=r.mdia.minf.stbl.cslg,s.duration=r.mdia.mdhd.duration,s.samples_duration=r.samples_duration,s.codec=a.getCodec(),s.kind=r.udta&&r.udta.kinds.length?r.udta.kinds[0]:{schemeURI:"",value:""},s.language=r.mdia.elng?r.mdia.elng.extended_language:r.mdia.mdhd.languageString,s.nb_samples=r.samples.length,s.size=r.samples_size,s.bitrate=8*s.size*s.timescale/s.samples_duration,a.isAudio()?(s.type="audio",o.audioTracks.push(s),s.audio={},s.audio.sample_rate=a.getSampleRate(),s.audio.channel_count=a.getChannelCount(),s.audio.sample_size=a.getSampleSize()):a.isVideo()?(s.type="video",o.videoTracks.push(s),s.video={},s.video.width=a.getWidth(),s.video.height=a.getHeight()):a.isSubtitle()?(s.type="subtitles",o.subtitleTracks.push(s)):a.isHint()?(s.type="metadata",o.hintTracks.push(s)):a.isMetadata()?(s.type="metadata",o.metadataTracks.push(s)):(s.type="metadata",o.otherTracks.push(s))}else o.hasMoov=!1;if(o.mime="",o.hasMoov&&o.tracks){for(o.videoTracks&&o.videoTracks.length>0?o.mime+='video/mp4; codecs="':o.audioTracks&&o.audioTracks.length>0?o.mime+='audio/mp4; codecs="':o.mime+='application/mp4; codecs="',t=0;t<o.tracks.length;t++)0!==t&&(o.mime+=","),o.mime+=o.tracks[t].codec;o.mime+='"; profiles="',o.mime+=this.ftyp.compatible_brands.join(),o.mime+='"'}return o},c.prototype.setNextSeekPositionFromSample=function(t){t&&(this.nextSeekPosition?this.nextSeekPosition=Math.min(t.offset+t.alreadyRead,this.nextSeekPosition):this.nextSeekPosition=t.offset+t.alreadyRead)},c.prototype.processSamples=function(t){var e,r;if(this.sampleProcessingStarted){if(this.isFragmentationInitialized&&null!==this.onSegment)for(e=0;e<this.fragmentedTracks.length;e++){var s=this.fragmentedTracks[e];for(r=s.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){a.debug("ISOFile","Creating media fragment on track #"+s.id+" for sample "+r.nextSample);var n=this.createFragment(s.id,r.nextSample,s.segmentStream);if(n)s.segmentStream=n,r.nextSample++;else break;if((r.nextSample%s.nb_samples==0||t||r.nextSample>=r.samples.length)&&(a.info("ISOFile","Sending fragmented data on track #"+s.id+" for samples ["+Math.max(0,r.nextSample-s.nb_samples)+","+(r.nextSample-1)+"]"),a.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(s.id,s.user,s.segmentStream.buffer,r.nextSample,t||r.nextSample>=r.samples.length),s.segmentStream=null,s!==this.fragmentedTracks[e]))break}}if(null!==this.onSamples)for(e=0;e<this.extractedTracks.length;e++){var o=this.extractedTracks[e];for(r=o.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){a.debug("ISOFile","Exporting on track #"+o.id+" sample #"+r.nextSample);var h=this.getSample(r,r.nextSample);if(h)r.nextSample++,o.samples.push(h);else{this.setNextSeekPositionFromSample(r.samples[r.nextSample]);break}if((r.nextSample%o.nb_samples==0||r.nextSample>=r.samples.length)&&(a.debug("ISOFile","Sending samples on track #"+o.id+" for sample "+r.nextSample),this.onSamples&&this.onSamples(o.id,o.user,o.samples),o.samples=[],o!==this.extractedTracks[e]))break}}}},c.prototype.getBox=function(t){var e=this.getBoxes(t,!0);return e.length?e[0]:null},c.prototype.getBoxes=function(t,e){var r=[];return c._sweep.call(this,t,r,e),r},c._sweep=function(t,e,r){for(var s in this.type&&this.type==t&&e.push(this),this.boxes){if(e.length&&r)return;c._sweep.call(this.boxes[s],t,e,r)}},c.prototype.getTrackSamplesInfo=function(t){var e=this.getTrackById(t);if(e)return e.samples},c.prototype.getTrackSample=function(t,e){var r=this.getTrackById(t);return this.getSample(r,e)},c.prototype.releaseUsedSamples=function(t,e){var r=0,s=this.getTrackById(t);s.lastValidSample||(s.lastValidSample=0);for(var n=s.lastValidSample;n<e;n++)r+=this.releaseSample(s,n);a.info("ISOFile","Track #"+t+" released samples up to "+e+" (released size: "+r+", remaining: "+this.samplesDataSize+")"),s.lastValidSample=e},c.prototype.start=function(){this.sampleProcessingStarted=!0,this.processSamples(!1)},c.prototype.stop=function(){this.sampleProcessingStarted=!1},c.prototype.flush=function(){a.info("ISOFile","Flushing remaining samples"),this.updateSampleLists(),this.processSamples(!0),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0)},c.prototype.seekTrack=function(t,e,r){var s,n,o,h=1/0,l=0,u=0;if(0===r.samples.length)return a.info("ISOFile","No sample in track, cannot seek! Using time "+a.getDurationString(0,1)+" and offset: 0"),{offset:0,time:0};for(s=0;s<r.samples.length;s++){if(n=r.samples[s],0===s)u=0,o=n.timescale;else if(n.cts>t*n.timescale){u=s-1;break}e&&n.is_sync&&(l=s)}for(e&&(u=l),t=r.samples[u].cts,r.nextSample=u;r.samples[u].alreadyRead===r.samples[u].size&&r.samples[u+1];)u++;return h=r.samples[u].offset+r.samples[u].alreadyRead,a.info("ISOFile","Seeking to "+(e?"RAP":"")+" sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+a.getDurationString(t,o)+" and offset: "+h),{offset:h,time:t/o}},c.prototype.getTrackDuration=function(t){var e;return t.samples?((e=t.samples[t.samples.length-1]).cts+e.duration)/e.timescale:1/0},c.prototype.seek=function(t,e){var r,s,n,o=this.moov,h={offset:1/0,time:1/0};if(this.moov){for(n=0;n<o.traks.length;n++)r=o.traks[n],!(t>this.getTrackDuration(r))&&((s=this.seekTrack(t,e,r)).offset<h.offset&&(h.offset=s.offset),s.time<h.time&&(h.time=s.time));return a.info("ISOFile","Seeking at time "+a.getDurationString(h.time,1)+" needs a buffer with a fileStart position of "+h.offset),h.offset===1/0?h={offset:this.nextParsePosition,time:0}:h.offset=this.stream.getEndFilePositionAfter(h.offset),a.info("ISOFile","Adjusted seek position (after checking data already in buffer): "+h.offset),h}throw"Cannot seek: moov not received!"},c.prototype.equal=function(t){for(var e=0;e<this.boxes.length&&e<t.boxes.length;){var r=this.boxes[e],s=t.boxes[e];if(!d.boxEqual(r,s))return!1;e++}return!0},iT.ISOFile=c,c.prototype.lastBoxStartPosition=0,c.prototype.parsingMdat=null,c.prototype.nextParsePosition=0,c.prototype.discardMdatData=!1,c.prototype.processIncompleteBox=function(t){var e;return"mdat"===t.type?(e=new d[t.type+"Box"](t.size),this.parsingMdat=e,this.boxes.push(e),this.mdats.push(e),e.start=t.start,e.hdr_size=t.hdr_size,this.stream.addUsedBytes(e.hdr_size),this.lastBoxStartPosition=e.start+e.size,this.stream.seek(e.start+e.size,!1,this.discardMdatData)?(this.parsingMdat=null,!0):(this.moovStartFound?this.nextParsePosition=this.stream.findEndContiguousBuf():this.nextParsePosition=e.start+e.size,!1)):("moov"===t.type&&(this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0)),this.stream.mergeNextBuffer&&this.stream.mergeNextBuffer()?(this.nextParsePosition=this.stream.getEndPosition(),!0):(t.type?this.moovStartFound?this.nextParsePosition=this.stream.getEndPosition():this.nextParsePosition=this.stream.getPosition()+t.size:this.nextParsePosition=this.stream.getEndPosition(),!1))},c.prototype.hasIncompleteMdat=function(){return null!==this.parsingMdat},c.prototype.processIncompleteMdat=function(){var t;return t=this.parsingMdat,this.stream.seek(t.start+t.size,!1,this.discardMdatData)?(a.debug("ISOFile","Found 'mdat' end in buffered data"),this.parsingMdat=null,!0):(this.nextParsePosition=this.stream.findEndContiguousBuf(),!1)},c.prototype.restoreParsePosition=function(){return this.stream.seek(this.lastBoxStartPosition,!0,this.discardMdatData)},c.prototype.saveParsePosition=function(){this.lastBoxStartPosition=this.stream.getPosition()},c.prototype.updateUsedBytes=function(t,e){this.stream.addUsedBytes&&("mdat"===t.type?(this.stream.addUsedBytes(t.hdr_size),this.discardMdatData&&this.stream.addUsedBytes(t.size-t.hdr_size)):this.stream.addUsedBytes(t.size))},c.prototype.add=d.Box.prototype.add,c.prototype.addBox=d.Box.prototype.addBox,c.prototype.init=function(t){var e=t||{};this.add("ftyp").set("major_brand",e.brands&&e.brands[0]||"iso4").set("minor_version",0).set("compatible_brands",e.brands||["iso4"]);var r=this.add("moov");return r.add("mvhd").set("timescale",e.timescale||600).set("rate",e.rate||65536).set("creation_time",0).set("modification_time",0).set("duration",e.duration||0).set("volume",e.width?0:256).set("matrix",[65536,0,0,0,65536,0,0,0,1073741824]).set("next_track_id",1),r.add("mvex"),this},c.prototype.addTrack=function(t){this.moov||this.init(t);var e=t||{};e.width=e.width||320,e.height=e.height||320,e.id=e.id||this.moov.mvhd.next_track_id,e.type=e.type||"avc1";var r=this.moov.add("trak");this.moov.mvhd.next_track_id=e.id+1,r.add("tkhd").set("flags",d.TKHD_FLAG_ENABLED|d.TKHD_FLAG_IN_MOVIE|d.TKHD_FLAG_IN_PREVIEW).set("creation_time",0).set("modification_time",0).set("track_id",e.id).set("duration",e.duration||0).set("layer",e.layer||0).set("alternate_group",0).set("volume",1).set("matrix",[0,0,0,0,0,0,0,0,0]).set("width",e.width<<16).set("height",e.height<<16);var s=r.add("mdia");s.add("mdhd").set("creation_time",0).set("modification_time",0).set("timescale",e.timescale||1).set("duration",e.media_duration||0).set("language",e.language||"und"),s.add("hdlr").set("handler",e.hdlr||"vide").set("name",e.name||"Track created with MP4Box.js"),s.add("elng").set("extended_language",e.language||"fr-FR");var n=s.add("minf");if(void 0!==d[e.type+"SampleEntry"]){var a=new d[e.type+"SampleEntry"];a.data_reference_index=1;var h="";for(var l in d.sampleEntryCodes)for(var u=d.sampleEntryCodes[l],f=0;f<u.length;f++)if(u.indexOf(e.type)>-1){h=l;break}switch(h){case"Visual":if(n.add("vmhd").set("graphicsmode",0).set("opcolor",[0,0,0]),a.set("width",e.width).set("height",e.height).set("horizresolution",4718592).set("vertresolution",4718592).set("frame_count",1).set("compressorname",e.type+" Compressor").set("depth",24),e.avcDecoderConfigRecord){var p=new d.avcCBox;p.parse(new o(e.avcDecoderConfigRecord)),a.addBox(p)}else if(e.hevcDecoderConfigRecord){var c=new d.hvcCBox;c.parse(new o(e.hevcDecoderConfigRecord)),a.addBox(c)}break;case"Audio":n.add("smhd").set("balance",e.balance||0),a.set("channel_count",e.channel_count||2).set("samplesize",e.samplesize||16).set("samplerate",e.samplerate||65536);break;case"Hint":n.add("hmhd");break;case"Subtitle":n.add("sthd"),"stpp"===e.type&&a.set("namespace",e.namespace||"nonamespace").set("schema_location",e.schema_location||"").set("auxiliary_mime_types",e.auxiliary_mime_types||"");break;default:n.add("nmhd")}e.description&&a.addBox(e.description),e.description_boxes&&e.description_boxes.forEach(function(t){a.addBox(t)}),n.add("dinf").add("dref").addEntry(new d["url Box"]().set("flags",1));var m=n.add("stbl");return m.add("stsd").addEntry(a),m.add("stts").set("sample_counts",[]).set("sample_deltas",[]),m.add("stsc").set("first_chunk",[]).set("samples_per_chunk",[]).set("sample_description_index",[]),m.add("stco").set("chunk_offsets",[]),m.add("stsz").set("sample_sizes",[]),this.moov.mvex.add("trex").set("track_id",e.id).set("default_sample_description_index",e.default_sample_description_index||1).set("default_sample_duration",e.default_sample_duration||0).set("default_sample_size",e.default_sample_size||0).set("default_sample_flags",e.default_sample_flags||0),this.buildTrakSampleLists(r),e.id}},d.Box.prototype.computeSize=function(t){var e=t||new h;e.endianness=h.BIG_ENDIAN,this.write(e)},c.prototype.addSample=function(t,e,r){var s=r||{},n={},a=this.getTrackById(t);if(null!==a){n.number=a.samples.length,n.track_id=a.tkhd.track_id,n.timescale=a.mdia.mdhd.timescale,n.description_index=s.sample_description_index?s.sample_description_index-1:0,n.description=a.mdia.minf.stbl.stsd.entries[n.description_index],n.data=e,n.size=e.byteLength,n.alreadyRead=n.size,n.duration=s.duration||1,n.cts=s.cts||0,n.dts=s.dts||0,n.is_sync=s.is_sync||!1,n.is_leading=s.is_leading||0,n.depends_on=s.depends_on||0,n.is_depended_on=s.is_depended_on||0,n.has_redundancy=s.has_redundancy||0,n.degradation_priority=s.degradation_priority||0,n.offset=0,n.subsamples=s.subsamples,a.samples.push(n),a.samples_size+=n.size,a.samples_duration+=n.duration,void 0===a.first_dts&&(a.first_dts=s.dts),this.processSamples();var o=this.createSingleSampleMoof(n);return this.addBox(o),o.computeSize(),o.trafs[0].truns[0].data_offset=o.size+8,this.add("mdat").data=new Uint8Array(e),n}},c.prototype.createSingleSampleMoof=function(t){var e=0;e=t.is_sync?33554432:65536;var r=new d.moofBox;r.add("mfhd").set("sequence_number",this.nextMoofNumber),this.nextMoofNumber++;var s=r.add("traf"),n=this.getTrackById(t.track_id);return s.add("tfhd").set("track_id",t.track_id).set("flags",d.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),s.add("tfdt").set("baseMediaDecodeTime",t.dts-(n.first_dts||0)),s.add("trun").set("flags",d.TRUN_FLAGS_DATA_OFFSET|d.TRUN_FLAGS_DURATION|d.TRUN_FLAGS_SIZE|d.TRUN_FLAGS_FLAGS|d.TRUN_FLAGS_CTS_OFFSET).set("data_offset",0).set("first_sample_flags",0).set("sample_count",1).set("sample_duration",[t.duration]).set("sample_size",[t.size]).set("sample_flags",[e]).set("sample_composition_time_offset",[t.cts-t.dts]),r},c.prototype.lastMoofIndex=0,c.prototype.samplesDataSize=0,c.prototype.resetTables=function(){var t,e,r,s,n,a;for(this.initial_duration=this.moov.mvhd.duration,this.moov.mvhd.duration=0,t=0;t<this.moov.traks.length;t++){(e=this.moov.traks[t]).tkhd.duration=0,e.mdia.mdhd.duration=0,(e.mdia.minf.stbl.stco||e.mdia.minf.stbl.co64).chunk_offsets=[],(r=e.mdia.minf.stbl.stsc).first_chunk=[],r.samples_per_chunk=[],r.sample_description_index=[],(e.mdia.minf.stbl.stsz||e.mdia.minf.stbl.stz2).sample_sizes=[],(s=e.mdia.minf.stbl.stts).sample_counts=[],s.sample_deltas=[],(n=e.mdia.minf.stbl.ctts)&&(n.sample_counts=[],n.sample_offsets=[]),a=e.mdia.minf.stbl.stss;var o=e.mdia.minf.stbl.boxes.indexOf(a);-1!=o&&(e.mdia.minf.stbl.boxes[o]=null)}},c.initSampleGroups=function(t,e,r,s,n){var a,o,h,l;function u(t,e,r){this.grouping_type=t,this.grouping_type_parameter=e,this.sbgp=r,this.last_sample_in_run=-1,this.entry_index=-1}for(e&&(e.sample_groups_info=[]),t.sample_groups_info||(t.sample_groups_info=[]),o=0;o<r.length;o++){for(l=r[o].grouping_type+"/"+r[o].grouping_type_parameter,h=new u(r[o].grouping_type,r[o].grouping_type_parameter,r[o]),e&&(e.sample_groups_info[l]=h),t.sample_groups_info[l]||(t.sample_groups_info[l]=h),a=0;a<s.length;a++)s[a].grouping_type===r[o].grouping_type&&(h.description=s[a],h.description.used=!0);if(n)for(a=0;a<n.length;a++)n[a].grouping_type===r[o].grouping_type&&(h.fragment_description=n[a],h.fragment_description.used=!0,h.is_fragment=!0)}if(e){if(n)for(o=0;o<n.length;o++)!n[o].used&&n[o].version>=2&&(l=n[o].grouping_type+"/0",(h=new u(n[o].grouping_type,0)).is_fragment=!0,e.sample_groups_info[l]||(e.sample_groups_info[l]=h))}else for(o=0;o<s.length;o++)!s[o].used&&s[o].version>=2&&(l=s[o].grouping_type+"/0",h=new u(s[o].grouping_type,0),t.sample_groups_info[l]||(t.sample_groups_info[l]=h))},c.setSampleGroupProperties=function(t,e,r,s){var n,a,o;for(n in e.sample_groups=[],s)e.sample_groups[n]={},e.sample_groups[n].grouping_type=s[n].grouping_type,e.sample_groups[n].grouping_type_parameter=s[n].grouping_type_parameter,r>=s[n].last_sample_in_run&&(s[n].last_sample_in_run<0&&(s[n].last_sample_in_run=0),s[n].entry_index++,s[n].entry_index<=s[n].sbgp.entries.length-1&&(s[n].last_sample_in_run+=s[n].sbgp.entries[s[n].entry_index].sample_count)),s[n].entry_index<=s[n].sbgp.entries.length-1?e.sample_groups[n].group_description_index=s[n].sbgp.entries[s[n].entry_index].group_description_index:e.sample_groups[n].group_description_index=-1,0!==e.sample_groups[n].group_description_index&&(o=s[n].fragment_description?s[n].fragment_description:s[n].description,e.sample_groups[n].group_description_index>0?(a=e.sample_groups[n].group_description_index>65535?(e.sample_groups[n].group_description_index>>16)-1:e.sample_groups[n].group_description_index-1,o&&a>=0&&(e.sample_groups[n].description=o.entries[a])):o&&o.version>=2&&o.default_group_description_index>0&&(e.sample_groups[n].description=o.entries[o.default_group_description_index-1]))},c.process_sdtp=function(t,e,r){e&&(t?(e.is_leading=t.is_leading[r],e.depends_on=t.sample_depends_on[r],e.is_depended_on=t.sample_is_depended_on[r],e.has_redundancy=t.sample_has_redundancy[r]):(e.is_leading=0,e.depends_on=0,e.is_depended_on=0,e.has_redundancy=0))},c.prototype.buildSampleLists=function(){var t,e;for(t=0;t<this.moov.traks.length;t++)e=this.moov.traks[t],this.buildTrakSampleLists(e)},c.prototype.buildTrakSampleLists=function(t){var e,r,s,n,a,o,h,l,u,d,f,p,m,g,y,_,b,w,v,S,E,U,x,T;if(t.samples=[],t.samples_duration=0,t.samples_size=0,r=t.mdia.minf.stbl.stco||t.mdia.minf.stbl.co64,s=t.mdia.minf.stbl.stsc,n=t.mdia.minf.stbl.stsz||t.mdia.minf.stbl.stz2,a=t.mdia.minf.stbl.stts,o=t.mdia.minf.stbl.ctts,h=t.mdia.minf.stbl.stss,l=t.mdia.minf.stbl.stsd,u=t.mdia.minf.stbl.subs,p=t.mdia.minf.stbl.stdp,d=t.mdia.minf.stbl.sbgps,f=t.mdia.minf.stbl.sgpds,w=-1,v=-1,S=-1,E=-1,U=0,x=0,T=0,c.initSampleGroups(t,null,d,f),!(typeof n>"u")){for(e=0;e<n.sample_sizes.length;e++){var A={};A.number=e,A.track_id=t.tkhd.track_id,A.timescale=t.mdia.mdhd.timescale,A.alreadyRead=0,t.samples[e]=A,A.size=n.sample_sizes[e],t.samples_size+=A.size,0===e?(g=1,m=0,A.chunk_index=g,A.chunk_run_index=m,b=s.samples_per_chunk[m],_=0,y=m+1<s.first_chunk.length?s.first_chunk[m+1]-1:1/0):e<b?(A.chunk_index=g,A.chunk_run_index=m):(g++,A.chunk_index=g,_=0,g<=y||(y=++m+1<s.first_chunk.length?s.first_chunk[m+1]-1:1/0),A.chunk_run_index=m,b+=s.samples_per_chunk[m]),A.description_index=s.sample_description_index[A.chunk_run_index]-1,A.description=l.entries[A.description_index],A.offset=r.chunk_offsets[A.chunk_index-1]+_,_+=A.size,e>w&&(v++,w<0&&(w=0),w+=a.sample_counts[v]),e>0?(t.samples[e-1].duration=a.sample_deltas[v],t.samples_duration+=t.samples[e-1].duration,A.dts=t.samples[e-1].dts+t.samples[e-1].duration):A.dts=0,o?(e>=S&&(E++,S<0&&(S=0),S+=o.sample_counts[E]),A.cts=t.samples[e].dts+o.sample_offsets[E]):A.cts=A.dts,h?(e==h.sample_numbers[U]-1?(A.is_sync=!0,U++):(A.is_sync=!1,A.degradation_priority=0),u&&u.entries[x].sample_delta+T==e+1&&(A.subsamples=u.entries[x].subsamples,T+=u.entries[x].sample_delta,x++)):A.is_sync=!0,c.process_sdtp(t.mdia.minf.stbl.sdtp,A,A.number),p?A.degradation_priority=p.priority[e]:A.degradation_priority=0,u&&u.entries[x].sample_delta+T==e&&(A.subsamples=u.entries[x].subsamples,T+=u.entries[x].sample_delta),(d.length>0||f.length>0)&&c.setSampleGroupProperties(t,A,e,t.sample_groups_info)}e>0&&(t.samples[e-1].duration=Math.max(t.mdia.mdhd.duration-t.samples[e-1].dts,0),t.samples_duration+=t.samples[e-1].duration)}},c.prototype.updateSampleLists=function(){var t,e,r,s,n,a,o,h,l,u,f,p,m,g;if(void 0!==this.moov){for(;this.lastMoofIndex<this.moofs.length;)if(l=this.moofs[this.lastMoofIndex],this.lastMoofIndex++,"moof"==l.type)for(t=0;t<l.trafs.length;t++){for(u=l.trafs[t],f=this.getTrackById(u.tfhd.track_id),p=this.getTrexById(u.tfhd.track_id),s=u.tfhd.flags&d.TFHD_FLAG_SAMPLE_DESC?u.tfhd.default_sample_description_index:p?p.default_sample_description_index:1,n=u.tfhd.flags&d.TFHD_FLAG_SAMPLE_DUR?u.tfhd.default_sample_duration:p?p.default_sample_duration:0,a=u.tfhd.flags&d.TFHD_FLAG_SAMPLE_SIZE?u.tfhd.default_sample_size:p?p.default_sample_size:0,o=u.tfhd.flags&d.TFHD_FLAG_SAMPLE_FLAGS?u.tfhd.default_sample_flags:p?p.default_sample_flags:0,u.sample_number=0,u.sbgps.length>0&&c.initSampleGroups(f,u,u.sbgps,f.mdia.minf.stbl.sgpds,u.sgpds),e=0;e<u.truns.length;e++){var y=u.truns[e];for(r=0;r<y.sample_count;r++){(m={}).moof_number=this.lastMoofIndex,m.number_in_traf=u.sample_number,u.sample_number++,m.number=f.samples.length,u.first_sample_index=f.samples.length,f.samples.push(m),m.track_id=f.tkhd.track_id,m.timescale=f.mdia.mdhd.timescale,m.description_index=s-1,m.description=f.mdia.minf.stbl.stsd.entries[m.description_index],m.size=a,y.flags&d.TRUN_FLAGS_SIZE&&(m.size=y.sample_size[r]),f.samples_size+=m.size,m.duration=n,y.flags&d.TRUN_FLAGS_DURATION&&(m.duration=y.sample_duration[r]),f.samples_duration+=m.duration,f.first_traf_merged||r>0?m.dts=f.samples[f.samples.length-2].dts+f.samples[f.samples.length-2].duration:(u.tfdt?m.dts=u.tfdt.baseMediaDecodeTime:m.dts=0,f.first_traf_merged=!0),m.cts=m.dts,y.flags&d.TRUN_FLAGS_CTS_OFFSET&&(m.cts=m.dts+y.sample_composition_time_offset[r]),g=o,y.flags&d.TRUN_FLAGS_FLAGS?g=y.sample_flags[r]:0===r&&y.flags&d.TRUN_FLAGS_FIRST_FLAG&&(g=y.first_sample_flags),m.is_sync=!(g>>16&1),m.is_leading=g>>26&3,m.depends_on=g>>24&3,m.is_depended_on=g>>22&3,m.has_redundancy=g>>20&3,m.degradation_priority=65535&g;var _=!!(u.tfhd.flags&d.TFHD_FLAG_BASE_DATA_OFFSET),b=!!(u.tfhd.flags&d.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),w=!!(y.flags&d.TRUN_FLAGS_DATA_OFFSET),v=0;v=_?u.tfhd.base_data_offset:b||0===e?l.start:h,0===e&&0===r?w?m.offset=v+y.data_offset:m.offset=v:m.offset=h,h=m.offset+m.size,(u.sbgps.length>0||u.sgpds.length>0||f.mdia.minf.stbl.sbgps.length>0||f.mdia.minf.stbl.sgpds.length>0)&&c.setSampleGroupProperties(f,m,m.number_in_traf,u.sample_groups_info)}}if(u.subs){f.has_fragment_subsamples=!0;var S=u.first_sample_index;for(e=0;e<u.subs.entries.length;e++)S+=u.subs.entries[e].sample_delta,(m=f.samples[S-1]).subsamples=u.subs.entries[e].subsamples}}}},c.prototype.getSample=function(t,e){var r,s=t.samples[e];if(!this.moov)return null;if(s.data){if(s.alreadyRead==s.size)return s}else s.data=new Uint8Array(s.size),s.alreadyRead=0,this.samplesDataSize+=s.size,a.debug("ISOFile","Allocating sample #"+e+" on track #"+t.tkhd.track_id+" of size "+s.size+" (total: "+this.samplesDataSize+")");for(;;){var n=this.stream.findPosition(!0,s.offset+s.alreadyRead,!1);if(!(n>-1))return null;var o=(r=this.stream.buffers[n]).byteLength-(s.offset+s.alreadyRead-r.fileStart);if(s.size-s.alreadyRead<=o)return a.debug("ISOFile","Getting sample #"+e+" data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-r.fileStart)+" read size: "+(s.size-s.alreadyRead)+" full size: "+s.size+")"),h.memcpy(s.data.buffer,s.alreadyRead,r,s.offset+s.alreadyRead-r.fileStart,s.size-s.alreadyRead),r.usedBytes+=s.size-s.alreadyRead,this.stream.logBufferLevel(),s.alreadyRead=s.size,s;if(0===o)return null;a.debug("ISOFile","Getting sample #"+e+" partial data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-r.fileStart)+" read size: "+o+" full size: "+s.size+")"),h.memcpy(s.data.buffer,s.alreadyRead,r,s.offset+s.alreadyRead-r.fileStart,o),s.alreadyRead+=o,r.usedBytes+=o,this.stream.logBufferLevel()}},c.prototype.releaseSample=function(t,e){var r=t.samples[e];return r.data?(this.samplesDataSize-=r.size,r.data=null,r.alreadyRead=0,r.size):0},c.prototype.getAllocatedSampleDataSize=function(){return this.samplesDataSize},c.prototype.getCodecs=function(){var t,e="";for(t=0;t<this.moov.traks.length;t++){var r=this.moov.traks[t];t>0&&(e+=","),e+=r.mdia.minf.stbl.stsd.entries[0].getCodec()}return e},c.prototype.getTrexById=function(t){var e;if(!this.moov||!this.moov.mvex)return null;for(e=0;e<this.moov.mvex.trexs.length;e++){var r=this.moov.mvex.trexs[e];if(r.track_id==t)return r}return null},c.prototype.getTrackById=function(t){if(void 0===this.moov)return null;for(var e=0;e<this.moov.traks.length;e++){var r=this.moov.traks[e];if(r.tkhd.track_id==t)return r}return null},c.prototype.items=[],c.prototype.itemsDataSize=0,c.prototype.flattenItemInfo=function(){var t,e,r,s=this.items,n=this.meta;if(null!=n&&void 0!==n.hdlr&&void 0!==n.iinf){for(t=0;t<n.iinf.item_infos.length;t++)(r={}).id=n.iinf.item_infos[t].item_ID,s[r.id]=r,r.ref_to=[],r.name=n.iinf.item_infos[t].item_name,n.iinf.item_infos[t].protection_index>0&&(r.protection=n.ipro.protections[n.iinf.item_infos[t].protection_index-1]),n.iinf.item_infos[t].item_type?r.type=n.iinf.item_infos[t].item_type:r.type="mime",r.content_type=n.iinf.item_infos[t].content_type,r.content_encoding=n.iinf.item_infos[t].content_encoding;if(n.iloc)for(t=0;t<n.iloc.items.length;t++){var o=n.iloc.items[t];switch(r=s[o.item_ID],0!==o.data_reference_index&&(a.warn("Item storage with reference to other files: not supported"),r.source=n.dinf.boxes[o.data_reference_index-1]),o.construction_method){case 0:break;case 1:case 2:a.warn("Item storage with construction_method : not supported")}for(r.extents=[],r.size=0,e=0;e<o.extents.length;e++)r.extents[e]={},r.extents[e].offset=o.extents[e].extent_offset+o.base_offset,r.extents[e].length=o.extents[e].extent_length,r.extents[e].alreadyRead=0,r.size+=r.extents[e].length}if(n.pitm&&(s[n.pitm.item_id].primary=!0),n.iref)for(t=0;t<n.iref.references.length;t++){var h=n.iref.references[t];for(e=0;e<h.references.length;e++)s[h.from_item_ID].ref_to.push({type:h.type,id:h.references[e]})}if(n.iprp)for(var l=0;l<n.iprp.ipmas.length;l++){var u=n.iprp.ipmas[l];for(t=0;t<u.associations.length;t++){var d=u.associations[t];for(void 0===(r=s[d.id]).properties&&(r.properties={},r.properties.boxes=[]),e=0;e<d.props.length;e++){var f=d.props[e];if(f.property_index>0&&f.property_index-1<n.iprp.ipco.boxes.length){var p=n.iprp.ipco.boxes[f.property_index-1];r.properties[p.type]=p,r.properties.boxes.push(p)}}}}}},c.prototype.getItem=function(t){var e,r;if(!this.meta)return null;if(!(r=this.items[t]).data&&r.size)r.data=new Uint8Array(r.size),r.alreadyRead=0,this.itemsDataSize+=r.size,a.debug("ISOFile","Allocating item #"+t+" of size "+r.size+" (total: "+this.itemsDataSize+")");else if(r.alreadyRead===r.size)return r;for(var s=0;s<r.extents.length;s++){var n=r.extents[s];if(n.alreadyRead!==n.length){var o=this.stream.findPosition(!0,n.offset+n.alreadyRead,!1);if(!(o>-1))return null;var l=(e=this.stream.buffers[o]).byteLength-(n.offset+n.alreadyRead-e.fileStart);if(!(n.length-n.alreadyRead<=l))return a.debug("ISOFile","Getting item #"+t+" extent #"+s+" partial data (alreadyRead: "+n.alreadyRead+" offset: "+(n.offset+n.alreadyRead-e.fileStart)+" read size: "+l+" full extent size: "+n.length+" full item size: "+r.size+")"),h.memcpy(r.data.buffer,r.alreadyRead,e,n.offset+n.alreadyRead-e.fileStart,l),n.alreadyRead+=l,r.alreadyRead+=l,e.usedBytes+=l,this.stream.logBufferLevel(),null;a.debug("ISOFile","Getting item #"+t+" extent #"+s+" data (alreadyRead: "+n.alreadyRead+" offset: "+(n.offset+n.alreadyRead-e.fileStart)+" read size: "+(n.length-n.alreadyRead)+" full extent size: "+n.length+" full item size: "+r.size+")"),h.memcpy(r.data.buffer,r.alreadyRead,e,n.offset+n.alreadyRead-e.fileStart,n.length-n.alreadyRead),e.usedBytes+=n.length-n.alreadyRead,this.stream.logBufferLevel(),r.alreadyRead+=n.length-n.alreadyRead,n.alreadyRead=n.length}}return r.alreadyRead===r.size?r:null},c.prototype.releaseItem=function(t){var e=this.items[t];if(!e.data)return 0;this.itemsDataSize-=e.size,e.data=null,e.alreadyRead=0;for(var r=0;r<e.extents.length;r++)e.extents[r].alreadyRead=0;return e.size},c.prototype.processItems=function(t){for(var e in this.items){var r=this.items[e];this.getItem(r.id),t&&!r.sent&&(t(r),r.sent=!0,r.data=null)}},c.prototype.hasItem=function(t){for(var e in this.items){var r=this.items[e];if(r.name===t)return r.id}return -1},c.prototype.getMetaHandler=function(){return this.meta?this.meta.hdlr.handler:null},c.prototype.getPrimaryItem=function(){return this.meta&&this.meta.pitm?this.getItem(this.meta.pitm.item_id):null},c.prototype.itemToFragmentedTrackFile=function(t){var e=t||{},r=null;if(null==(r=e.itemId?this.getItem(e.itemId):this.getPrimaryItem()))return null;var s=new c;s.discardMdatData=!1;var n={type:r.type,description_boxes:r.properties.boxes};r.properties.ispe&&(n.width=r.properties.ispe.image_width,n.height=r.properties.ispe.image_height);var a=s.addTrack(n);return a?(s.addSample(a,r.data),s):null},c.prototype.write=function(t){for(var e=0;e<this.boxes.length;e++)this.boxes[e].write(t)},c.prototype.createFragment=function(t,e,r){var s=this.getTrackById(t),n=this.getSample(s,e);if(null==n)return this.setNextSeekPositionFromSample(s.samples[e]),null;var o=r||new h;o.endianness=h.BIG_ENDIAN;var l=this.createSingleSampleMoof(n);l.write(o),l.trafs[0].truns[0].data_offset=l.size+8,a.debug("MP4Box","Adjusting data_offset with new value "+l.trafs[0].truns[0].data_offset),o.adjustUint32(l.trafs[0].truns[0].data_offset_position,l.trafs[0].truns[0].data_offset);var u=new d.mdatBox;return u.data=n.data,u.write(o),o},c.writeInitializationSegment=function(t,e,r,s){a.debug("ISOFile","Generating initialization segment");var n,o=new h;o.endianness=h.BIG_ENDIAN,t.write(o);var l=e.add("mvex");for(r&&l.add("mehd").set("fragment_duration",r),n=0;n<e.traks.length;n++)l.add("trex").set("track_id",e.traks[n].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(o),o.buffer},c.prototype.save=function(t){var e=new h;e.endianness=h.BIG_ENDIAN,this.write(e),e.save(t)},c.prototype.getBuffer=function(){var t=new h;return t.endianness=h.BIG_ENDIAN,this.write(t),t.buffer},c.prototype.initializeSegmentation=function(){var t,e,r,s;for(null===this.onSegment&&a.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 n=new d.moovBox;n.mvhd=this.moov.mvhd,n.boxes.push(n.mvhd),r=this.getTrackById(this.fragmentedTracks[t].id),n.boxes.push(r),n.traks.push(r),(s={}).id=r.tkhd.track_id,s.user=this.fragmentedTracks[t].user,s.buffer=c.writeInitializationSegment(this.ftyp,n,this.moov.mvex&&this.moov.mvex.mehd?this.moov.mvex.mehd.fragment_duration:void 0,this.moov.traks[t].samples.length>0?this.moov.traks[t].samples[0].duration:0),e.push(s)}return e},d.Box.prototype.printHeader=function(t){this.size+=8,this.size>4294967296&&(this.size+=8),"uuid"===this.type&&(this.size+=16),t.log(t.indent+"size:"+this.size),t.log(t.indent+"type:"+this.type)},d.FullBox.prototype.printHeader=function(t){this.size+=4,d.Box.prototype.printHeader.call(this,t),t.log(t.indent+"version:"+this.version),t.log(t.indent+"flags:"+this.flags)},d.Box.prototype.print=function(t){this.printHeader(t)},d.ContainerBox.prototype.print=function(t){this.printHeader(t);for(var e=0;e<this.boxes.length;e++)if(this.boxes[e]){var r=t.indent;t.indent+=" ",this.boxes[e].print(t),t.indent=r}},c.prototype.print=function(t){t.indent="";for(var e=0;e<this.boxes.length;e++)this.boxes[e]&&this.boxes[e].print(t)},d.mvhdBox.prototype.print=function(t){d.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)},d.tkhdBox.prototype.print=function(t){d.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)},(m={}).createFile=function(t,e){var r=new c(e);return r.discardMdatData=!(void 0===t||t),r},iT.createFile=m.createFile;let iA=/* @__PURE__ */ix(iT),iC={sampleRate:48e3,channelCount:2,codec:"mp4a.40.2"};function iI(t,e){let r=e.videoTracks[0],s={};if(null!=r){let n=function(t){for(let e of t.mdia.minf.stbl.stsd.entries){let t=e.avcC??e.hvcC??e.vpcC;if(null!=t){let e=new iA.DataStream(void 0,0,iA.DataStream.BIG_ENDIAN);return t.write(e),new Uint8Array(e.buffer.slice(8))}}throw Error("avcC, hvcC or VPX not found")}(t.getTrackById(r.id)).buffer,{descKey:a,type:o}=r.codec.startsWith("avc1")?{descKey:"avcDecoderConfigRecord",type:"avc1"}:r.codec.startsWith("hvc1")?{descKey:"hevcDecoderConfigRecord",type:"hvc1"}:{descKey:"",type:""};""!==a&&(s.videoTrackConf={timescale:r.timescale,duration:r.duration,width:r.video.width,height:r.video.height,brands:e.brands,type:o,[a]:n}),s.videoDecoderConf={codec:r.codec,codedHeight:r.video.height,codedWidth:r.video.width,description:n}}let n=e.audioTracks[0];if(null!=n){let e=iB(t);s.audioTrackConf={timescale:n.timescale,samplerate:n.audio.sample_rate,channel_count:n.audio.channel_count,hdlr:"soun",type:n.codec.startsWith("mp4a")?"mp4a":n.codec,description:iB(t)},s.audioDecoderConf={codec:n.codec.startsWith("mp4a")?iC.codec:n.codec,numberOfChannels:n.audio.channel_count,sampleRate:n.audio.sample_rate,...null==e?{}:function(t){var e;let r=null==(e=t.esd.descs[0])?void 0:e.descs[0];if(null==r)return{};let[s,n]=r.data;return{sampleRate:[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350][((7&s)<<1)+(n>>7)],numberOfChannels:(127&n)>>3}}(e)}}return s}function iB(t,e="mp4a"){var r;let s=null==(r=t.moov)?void 0:r.traks.map(t=>t.mdia.minf.stbl.stsd.entries).flat().find(({type:t})=>t===e);return null==s?void 0:s.esds}class ik{constructor(){ey(this,"readable"),ey(this,"writable"),ew(this,A,0);let t=iA.createFile(),e=!1;this.readable=new ReadableStream({start:e=>{t.onReady=r=>{var s,n;let a=null==(s=r.videoTracks[0])?void 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s=/[0-9A-Fa-f]{6}/g.test(r.attributes[e]),n=/^\d+(\.\d+)?$/.test(r.attributes[e]);r.attributes[e]=s?r.attributes[e].toString(16):n?parseFloat(r.attributes[e]):String(r.attributes[e])}this.trigger("data",r);return}if(e=/^#EXT-X-INDEPENDENT-SEGMENTS/.exec(t)){this.trigger("data",{type:"tag",tagType:"independent-segments"});return}if(e=/^#EXT-X-CONTENT-STEERING:(.*)$/.exec(t)){(r={type:"tag",tagType:"content-steering"}).attributes=rl(e[1]),this.trigger("data",r);return}this.trigger("data",{type:"tag",data:t.slice(4)})})}}addParser({expression:t,customType:e,dataParser:r,segment:s}){"function"!=typeof r&&(r=t=>t),this.customParsers.push(n=>{if(t.exec(n))return this.trigger("data",{type:"custom",data:r(n),customType:e,segment:s}),!0})}addTagMapper({expression:t,map:e}){this.tagMappers.push(r=>t.test(r)?e(r):r)}}let rd=t=>t.toLowerCase().replace(/-(\w)/g,t=>t[1].toUpperCase()),rf=function(t){let e={};return 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