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a=+a,b|=0,c||I(this,a,b,4,2147483647,-2147483648),f.TYPED_ARRAY_SUPPORT?(this[b]=255&a,this[b+1]=a>>>8,this[b+2]=a>>>16,this[b+3]=a>>>24):K(this,a,b,!0),b+4},f.prototype.writeInt32BE=function(a,b,c){return a=+a,b|=0,c||I(this,a,b,4,2147483647,-2147483648),a<0&&(a=4294967295+a+1),f.TYPED_ARRAY_SUPPORT?(this[b]=a>>>24,this[b+1]=a>>>16,this[b+2]=a>>>8,this[b+3]=255&a):K(this,a,b,!1),b+4},f.prototype.writeFloatLE=function(a,b,c){return M(this,a,b,!0,c)},f.prototype.writeFloatBE=function(a,b,c){return M(this,a,b,!1,c)},f.prototype.writeDoubleLE=function(a,b,c){return N(this,a,b,!0,c)},f.prototype.writeDoubleBE=function(a,b,c){return N(this,a,b,!1,c)},f.prototype.copy=function(a,b,c,d){if(c||(c=0),d||0===d||(d=this.length),b>=a.length&&(b=a.length),b||(b=0),d>0&&d=this.length)throw new RangeError("sourceStart out of bounds");if(d<0)throw new RangeError("sourceEnd out of bounds");d>this.length&&(d=this.length),a.length-b=0;e--)a[e+b]=this[e+c];else 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32:d=this._raw.getUint32(e);break;case 64:b=this._raw.getUint32(e),c=this._raw.getUint32(e+4),d=b*Math.pow(2,32)+c}return this._cursor.offset+=a>>3,d},f.prototype._readString=function(a){for(var b="",c=0;c0?a:this._raw.byteLength-(this._cursor.offset-this._offset),c=new DataView(this._raw.buffer,this._cursor.offset,b);return this._cursor.offset+=b,c},f.prototype._readUTF8String=function(){var a=this._readData();return d.Utils.dataViewToString(a)},f.prototype._parseBox=function(){if(this._parsing=!0,this._cursor.offset=this._offset,this._offset+8>this._raw.buffer.byteLength)return void(this._root._incomplete=!0);switch(this._procField("size","uint",32),this._procField("type","string",4),1===this.size&&this._procField("largesize","uint",64),"uuid"===this.type&&this._procFieldArray("usertype",16,"uint",8),this.size){case 0:this._raw=new DataView(this._raw.buffer,this._offset,this._raw.byteLength-this._cursor.offset+8);break;case 1:this._offset+this.size>this._raw.buffer.byteLength?(this._incomplete=!0,this._root._incomplete=!0):this._raw=new DataView(this._raw.buffer,this._offset,this.largesize);break;default:this._offset+this.size>this._raw.buffer.byteLength?(this._incomplete=!0,this._root._incomplete=!0):this._raw=new DataView(this._raw.buffer,this._offset,this.size)}this._incomplete||(this._boxProcessors[this.type]&&this._boxProcessors[this.type].call(this),-1!==this._boxContainers.indexOf(this.type)?this._parseContainerBox():this._data=this._readData())},f.prototype._parseFullBox=function(){this.version=this._readUint(8),this.flags=this._readUint(24)},f.prototype._parseContainerBox=function(){for(this.boxes=[];this._cursor.offset-this._raw.byteOffset>3}else this.size+=a>>3},f.prototype._writeUint=function(a,b){if(this._rawo){var c,d,e=this._cursor.offset-this._rawo.byteOffset;switch(a){case 8:this._rawo.setUint8(e,b);break;case 16:this._rawo.setUint16(e,b);break;case 24:c=(16776960&b)>>8,d=255&b,this._rawo.setUint16(e,c),this._rawo.setUint8(e+2,d);break;case 32:this._rawo.setUint32(e,b);break;case 64:c=Math.floor(b/Math.pow(2,32)),d=b-c*Math.pow(2,32),this._rawo.setUint32(e,c),this._rawo.setUint32(e+4,d)}this._cursor.offset+=a>>3}else this.size+=a>>3},f.prototype._writeString=function(a,b){for(var c=0;c>10&31),96+(this.language>>5&31),96+(31&this.language))),this._procField("pre_defined","uint",16)},f.prototype._boxProcessors.mehd=function(){this._procFullBox(),this._procField("fragment_duration","uint",1==this.version?64:32)},f.prototype._boxProcessors.mfhd=function(){this._procFullBox(),this._procField("sequence_number","uint",32)},f.prototype._boxProcessors.mfro=function(){this._procFullBox(),this._procField("mfra_size","uint",32)},f.prototype._boxProcessors.mp4a=f.prototype._boxProcessors.enca=function(){this._procFieldArray("reserved1",6,"uint",8),this._procField("data_reference_index","uint",16),this._procFieldArray("reserved2",2,"uint",32),this._procField("channelcount","uint",16),this._procField("samplesize","uint",16),this._procField("pre_defined","uint",16),this._procField("reserved3","uint",16),this._procField("samplerate","template",32),this._procField("esds","data",-1)},f.prototype._boxProcessors.mvhd=function(){this._procFullBox(),this._procField("creation_time","uint",1==this.version?64:32),this._procField("modification_time","uint",1==this.version?64:32),this._procField("timescale","uint",32),this._procField("duration","uint",1==this.version?64:32),this._procField("rate","template",32),this._procField("volume","template",16),this._procField("reserved1","uint",16),this._procFieldArray("reserved2",2,"uint",32),this._procFieldArray("matrix",9,"template",32),this._procFieldArray("pre_defined",6,"uint",32),this._procField("next_track_ID","uint",32)},f.prototype._boxProcessors.payl=function(){this._procField("cue_text","utf8")},f.prototype._boxProcessors.pssh=function(){this._procFullBox(),this._procFieldArray("SystemID",16,"uint",8),this._procField("DataSize","uint",32),this._procFieldArray("Data",this.DataSize,"uint",8)},f.prototype._boxProcessors.schm=function(){this._procFullBox(),this._procField("scheme_type","uint",32),this._procField("scheme_version","uint",32),1&this.flags&&this._procField("scheme_uri","string",-1)},f.prototype._boxProcessors.sdtp=function(){this._procFullBox();var a=-1;this._parsing&&(a=this._raw.byteLength-(this._cursor.offset-this._raw.byteOffset)),this._procFieldArray("sample_dependency_table",a,"uint",8)},f.prototype._boxProcessors.sidx=function(){this._procFullBox(),this._procField("reference_ID","uint",32),this._procField("timescale","uint",32),this._procField("earliest_presentation_time","uint",1==this.version?64:32),this._procField("first_offset","uint",1==this.version?64:32),this._procField("reserved","uint",16),this._procField("reference_count","uint",16),this._procEntries("references",this.reference_count,function(a){this._parsing||(a.reference=(1&a.reference_type)<<31,a.reference|=2147483647&a.referenced_size,a.sap=(1&a.starts_with_SAP)<<31,a.sap|=(3&a.SAP_type)<<28,a.sap|=268435455&a.SAP_delta_time),this._procEntryField(a,"reference","uint",32),this._procEntryField(a,"subsegment_duration","uint",32),this._procEntryField(a,"sap","uint",32),this._parsing&&(a.reference_type=a.reference>>31&1,a.referenced_size=2147483647&a.reference,a.starts_with_SAP=a.sap>>31&1,a.SAP_type=a.sap>>28&7,a.SAP_delta_time=268435455&a.sap)})},f.prototype._boxProcessors.smhd=function(){this._procFullBox(),this._procField("balance","uint",16),this._procField("reserved","uint",16)},f.prototype._boxProcessors.ssix=function(){this._procFullBox(),this._procField("subsegment_count","uint",32),this._procEntries("subsegments",this.subsegment_count,function(a){this._procEntryField(a,"ranges_count","uint",32),this._procSubEntries(a,"ranges",a.ranges_count,function(a){this._procEntryField(a,"level","uint",8),this._procEntryField(a,"range_size","uint",24)})})},f.prototype._boxProcessors.stsd=function(){this._procFullBox(),this._procField("entry_count","uint",32),this._procSubBoxes("entries",this.entry_count)},f.prototype._boxProcessors.subs=function(){this._procFullBox(),this._procField("entry_count","uint",32),this._procEntries("entries",this.entry_count,function(a){this._procEntryField(a,"sample_delta","uint",32),this._procEntryField(a,"subsample_count","uint",16),this._procSubEntries(a,"subsamples",a.subsample_count,function(a){this._procEntryField(a,"subsample_size","uint",1===this.version?32:16),this._procEntryField(a,"subsample_priority","uint",8),this._procEntryField(a,"discardable","uint",8),this._procEntryField(a,"codec_specific_parameters","uint",32)})})},f.prototype._boxProcessors.tenc=function(){this._procFullBox(),this._procField("default_IsEncrypted","uint",24),this._procField("default_IV_size","uint",8),this._procFieldArray("default_KID",16,"uint",8)},f.prototype._boxProcessors.tfdt=function(){this._procFullBox(),this._procField("baseMediaDecodeTime","uint",1==this.version?64:32)},f.prototype._boxProcessors.tfhd=function(){this._procFullBox(),this._procField("track_ID","uint",32),1&this.flags&&this._procField("base_data_offset","uint",64),2&this.flags&&this._procField("sample_description_offset","uint",32),8&this.flags&&this._procField("default_sample_duration","uint",32),16&this.flags&&this._procField("default_sample_size","uint",32),32&this.flags&&this._procField("default_sample_flags","uint",32)},f.prototype._boxProcessors.tfra=function(){this._procFullBox(),this._procField("track_ID","uint",32),this._parsing||(this.reserved=0,this.reserved|=(48&this.length_size_of_traf_num)<<4,this.reserved|=(12&this.length_size_of_trun_num)<<2,this.reserved|=3&this.length_size_of_sample_num),this._procField("reserved","uint",32),this._parsing&&(this.length_size_of_traf_num=(48&this.reserved)>>4,this.length_size_of_trun_num=(12&this.reserved)>>2,this.length_size_of_sample_num=3&this.reserved),this._procField("number_of_entry","uint",32),this._procEntries("entries",this.number_of_entry,function(a){this._procEntryField(a,"time","uint",1===this.version?64:32),this._procEntryField(a,"moof_offset","uint",1===this.version?64:32),this._procEntryField(a,"traf_number","uint",8*(this.length_size_of_traf_num+1)),this._procEntryField(a,"trun_number","uint",8*(this.length_size_of_trun_num+1)),this._procEntryField(a,"sample_number","uint",8*(this.length_size_of_sample_num+1))})},f.prototype._boxProcessors.tkhd=function(){this._procFullBox(),this._procField("creation_time","uint",1==this.version?64:32),this._procField("modification_time","uint",1==this.version?64:32),this._procField("track_ID","uint",32),this._procField("reserved1","uint",32),this._procField("duration","uint",1==this.version?64:32),this._procFieldArray("reserved2",2,"uint",32),this._procField("layer","uint",16),this._procField("alternate_group","uint",16),this._procField("volume","template",16),this._procField("reserved3","uint",16),this._procFieldArray("matrix",9,"template",32),this._procField("width","template",32),this._procField("height","template",32)},f.prototype._boxProcessors.trex=function(){this._procFullBox(),this._procField("track_ID","uint",32),this._procField("default_sample_description_index","uint",32),this._procField("default_sample_duration","uint",32),this._procField("default_sample_size","uint",32),this._procField("default_sample_flags","uint",32)},f.prototype._boxProcessors.trun=function(){this._procFullBox(),this._procField("sample_count","uint",32),1&this.flags&&this._procField("data_offset","int",32),4&this.flags&&this._procField("first_sample_flags","uint",32),this._procEntries("samples",this.sample_count,function(a){256&this.flags&&this._procEntryField(a,"sample_duration","uint",32),512&this.flags&&this._procEntryField(a,"sample_size","uint",32),1024&this.flags&&this._procEntryField(a,"sample_flags","uint",32),2048&this.flags&&this._procEntryField(a,"sample_composition_time_offset",1===this.version?"int":"uint",32)})},f.prototype._boxProcessors["url "]=f.prototype._boxProcessors["urn "]=function(){this._procFullBox(),"urn "===this.type&&this._procField("name","string",-1),this._procField("location","string",-1)},f.prototype._boxProcessors.vlab=function(){this._procField("source_label","utf8")},f.prototype._boxProcessors.vmhd=function(){this._procFullBox(),this._procField("graphicsmode","uint",16),this._procFieldArray("opcolor",3,"uint",16)},f.prototype._boxProcessors.vttC=function(){this._procField("config","utf8")},f.prototype._boxProcessors.vtte=function(){}},{}],12:[function(a,b,c){(function(a){function b(a){return Array.isArray?Array.isArray(a):"[object Array]"===q(a)}function d(a){return"boolean"==typeof a}function e(a){return null===a}function f(a){return null==a}function g(a){return"number"==typeof a}function h(a){return"string"==typeof a}function i(a){return"symbol"==typeof a}function j(a){return void 0===a}function k(a){return"[object RegExp]"===q(a)}function l(a){return"object"==typeof a&&null!==a}function 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f,k;if(d(a)||d(b))return!1;if(a.prototype!==b.prototype)return!1;if(i(a))return!!i(b)&&(a=g.call(a),b=g.call(b),j(a,b,c));if(e(a)){if(!e(b))return!1;if(a.length!==b.length)return!1;for(f=0;f=0;f--)if(l[f]!=m[f])return!1;for(f=l.length-1;f>=0;f--)if(k=l[f],!j(a[k],b[k],c))return!1;return typeof a==typeof b}var g=Array.prototype.slice,h=a(15),i=a(14),j=b.exports=function(a,b,c){return c||(c={}),a===b||(a instanceof Date&&b instanceof Date?a.getTime()===b.getTime():!a||!b||"object"!=typeof a&&"object"!=typeof b?c.strict?a===b:a==b:f(a,b,c))}},{14:14,15:15}],14:[function(a,b,c){function d(a){return"[object Arguments]"==Object.prototype.toString.call(a)}function e(a){return a&&"object"==typeof a&&"number"==typeof a.length&&Object.prototype.hasOwnProperty.call(a,"callee")&&!Object.prototype.propertyIsEnumerable.call(a,"callee")||!1}var f="[object Arguments]"==function(){return 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b,c;if(!this._events)return this;if(!this._events.removeListener)return 0===arguments.length?this._events={}:this._events[a]&&delete this._events[a],this;if(0===arguments.length){for(b in this._events)"removeListener"!==b&&this.removeAllListeners(b);return this.removeAllListeners("removeListener"),this._events={},this}if(c=this._events[a],e(c))this.removeListener(a,c);else for(;c.length;)this.removeListener(a,c[c.length-1]);return delete this._events[a],this},d.prototype.listeners=function(a){return this._events&&this._events[a]?e(this._events[a])?[this._events[a]]:this._events[a].slice():[]},d.listenerCount=function(a,b){return a._events&&a._events[b]?e(a._events[b])?1:a._events[b].length:0}},{}],17:[function(a,b,c){c.read=function(a,b,c,d,e){var f,g,h=8*e-d-1,i=(1<>1,k=-7,l=c?e-1:0,m=c?-1:1,n=a[b+l];for(l+=m,f=n&(1<<-k)-1,n>>=-k,k+=h;k>0;f=256*f+a[b+l],l+=m,k-=8);for(g=f&(1<<-k)-1,f>>=-k,k+=d;k>0;g=256*g+a[b+l],l+=m,k-=8);if(0===f)f=1-j;else{if(f===i)return 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l(a){this.kind=a,this.begin=null,this.end=null,this.styleAttrs=null,this.regionID=null,this.sets=null,this.timeContainer=null}function m(){l.call(this,"body")}function n(){l.call(this,"div")}function o(){l.call(this,"p")}function p(){l.call(this,"span"),this.space=null}function q(){l.call(this,"span"),this.space=null,this.text=null}function r(){l.call(this,"br")}function s(){this.id=null,this.begin=null,this.end=null,this.styleAttrs=null,this.sets=null}function t(){this.begin=null,this.end=null,this.qname=null,this.value=null}function u(a){return a&&"xml:id"in a.attributes?a.attributes["xml:id"].value||null:null}function v(a){return a&&"region"in a.attributes?a.attributes.region.value:""}function w(a,b){var c=a&&"timeContainer"in a.attributes?a.attributes.timeContainer.value:null;return c&&"par"!==c?"seq"===c?"seq":(K(b,"Illegal value of timeContainer (assuming 'par')"),"par"):"par"}function x(a){return a&&"style"in a.attributes?a.attributes.style.value.split(" "):[]}function 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