(function(y){"object"===typeof exports&&"undefined"!==typeof module?module.exports=y():"function"===typeof define&&define.amd?define([],y):("undefined"!==typeof window?window:"undefined"!==typeof global?global:"undefined"!==typeof self?self:this).jsmediatags=y()})(function(){return function f(p,q,m){function l(c,a){if(!q[c]){if(!p[c]){var b="function"==typeof require&&require;if(!a&&b)return b(c,!0);if(e)return e(c,!0);a=Error("Cannot find module '"+c+"'");throw a.code="MODULE_NOT_FOUND",a;}a=q[c]=
{exports:{}};p[c][0].call(a.exports,function(a){var b=p[c][1][a];return l(b?b:a)},a,a.exports,f,p,q,m)}return q[c].exports}for(var e="function"==typeof require&&require,d=0;d<m.length;d++)l(m[d]);return l}({1:[function(f,p,q){},{}],2:[function(f,p,q){p.exports=XMLHttpRequest},{}],3:[function(f,p,q){function m(e,d){if("function"!==typeof d&&null!==d)throw new TypeError("Super expression must either be null or a function, not "+typeof d);e.prototype=Object.create(d&&d.prototype,{constructor:{value:e,
enumerable:!1,writable:!0,configurable:!0}});d&&(Object.setPrototypeOf?Object.setPrototypeOf(e,d):e.__proto__=d)}var l=function(){function e(d,c){for(var a=0;a<c.length;a++){var b=c[a];b.enumerable=b.enumerable||!1;b.configurable=!0;"value"in b&&(b.writable=!0);Object.defineProperty(d,b.key,b)}}return function(d,c,a){c&&e(d.prototype,c);a&&e(d,a);return d}}();f=function(e){function d(c){if(!(this instanceof d))throw new TypeError("Cannot call a class as a function");var a=(d.__proto__||Object.getPrototypeOf(d)).call(this);
if(!this)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");a=!a||"object"!==typeof a&&"function"!==typeof a?this:a;a._array=c;a._size=c.length;a._isInitialized=!0;return a}m(d,e);l(d,[{key:"init",value:function(c){setTimeout(c.onSuccess,0)}},{key:"loadRange",value:function(c,a){setTimeout(a.onSuccess,0)}},{key:"getByteAt",value:function(c){if(c>=this._array.length)throw Error("Offset "+c+" hasn't been loaded yet.");return this._array[c]}}],[{key:"canReadFile",value:function(c){return Array.isArray(c)||
"function"===typeof Buffer&&Buffer.isBuffer(c)}}]);return d}(f("./MediaFileReader"));p.exports=f},{"./MediaFileReader":11}],4:[function(f,p,q){function m(d,c){if("function"!==typeof c&&null!==c)throw new TypeError("Super expression must either be null or a function, not "+typeof c);d.prototype=Object.create(c&&c.prototype,{constructor:{value:d,enumerable:!1,writable:!0,configurable:!0}});c&&(Object.setPrototypeOf?Object.setPrototypeOf(d,c):d.__proto__=c)}var l=function(){function d(c,a){for(var b=
0;b<a.length;b++){var d=a[b];d.enumerable=d.enumerable||!1;d.configurable=!0;"value"in d&&(d.writable=!0);Object.defineProperty(c,d.key,d)}}return function(c,a,b){a&&d(c.prototype,a);b&&d(c,b);return c}}(),e=f("./ChunkedFileData");f=function(d){function c(a){if(!(this instanceof c))throw new TypeError("Cannot call a class as a function");var b=(c.__proto__||Object.getPrototypeOf(c)).call(this);if(!this)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");b=!b||"object"!==
typeof b&&"function"!==typeof b?this:b;b._blob=a;b._fileData=new e;return b}m(c,d);l(c,[{key:"_init",value:function(a){this._size=this._blob.size;setTimeout(a.onSuccess,1)}},{key:"loadRange",value:function(a,b){var d=this,h=(this._blob.slice||this._blob.mozSlice||this._blob.webkitSlice).call(this._blob,a[0],a[1]+1),c=new FileReader;c.onloadend=function(h){h=new Uint8Array(c.result);d._fileData.addData(a[0],h);b.onSuccess()};c.onerror=c.onabort=function(a){if(b.onError)b.onError({type:"blob",info:c.error})};
c.readAsArrayBuffer(h)}},{key:"getByteAt",value:function(a){return this._fileData.getByteAt(a)}}],[{key:"canReadFile",value:function(a){return"undefined"!==typeof Blob&&a instanceof Blob||"undefined"!==typeof File&&a instanceof File}}]);return c}(f("./MediaFileReader"));p.exports=f},{"./ChunkedFileData":5,"./MediaFileReader":11}],5:[function(f,p,q){var m=function(){function f(e,d){for(var c=0;c<d.length;c++){var a=d[c];a.enumerable=a.enumerable||!1;a.configurable=!0;"value"in a&&(a.writable=!0);Object.defineProperty(e,
a.key,a)}}return function(e,d,c){d&&f(e.prototype,d);c&&f(e,c);return e}}();f=function(){function f(){if(!(this instanceof f))throw new TypeError("Cannot call a class as a function");this._fileData=[]}m(f,null,[{key:"NOT_FOUND",get:function(){return-1}}]);m(f,[{key:"addData",value:function(e,d){var c=e+d.length-1,a=this._getChunkRange(e,c);if(-1===a.startIx)this._fileData.splice(a.insertIx||0,0,{offset:e,data:d});else{var b=this._fileData[a.startIx],g=this._fileData[a.endIx];c=c<g.offset+g.data.length-
1;var h={offset:Math.min(e,b.offset),data:d};e>b.offset&&(e=this._sliceData(b.data,0,e-b.offset),h.data=this._concatData(e,d));c&&(e=this._sliceData(h.data,0,g.offset-h.offset),h.data=this._concatData(e,g.data));this._fileData.splice(a.startIx,a.endIx-a.startIx+1,h)}}},{key:"_concatData",value:function(e,d){if("undefined"!==typeof ArrayBuffer&&ArrayBuffer.isView&&ArrayBuffer.isView(e)){var c=new e.constructor(e.length+d.length);c.set(e,0);c.set(d,e.length);return c}return e.concat(d)}},{key:"_sliceData",
value:function(e,d,c){return e.slice?e.slice(d,c):e.subarray(d,c)}},{key:"_getChunkRange",value:function(e,d){for(var c,a,b=-1,g=-1,h=0,k=0;k<this._fileData.length;k++,h=k){a=this._fileData[k].offset;c=a+this._fileData[k].data.length;if(d<a-1)break;if(e<=c+1&&d>=a-1){b=k;break}}if(-1===b)return{startIx:-1,endIx:-1,insertIx:h};for(k=b;k<this._fileData.length&&!(a=this._fileData[k].offset,c=a+this._fileData[k].data.length,d>=a-1&&(g=k),d<=c+1);k++);-1===g&&(g=b);return{startIx:b,endIx:g}}},{key:"hasDataRange",
value:function(e,d){for(var c=0;c<this._fileData.length;c++){var a=this._fileData[c];if(d<a.offset)break;if(e>=a.offset&&d<a.offset+a.data.length)return!0}return!1}},{key:"getByteAt",value:function(e){for(var d,c=0;c<this._fileData.length;c++){var a=this._fileData[c].offset,b=a+this._fileData[c].data.length-1;if(e>=a&&e<=b){d=this._fileData[c];break}}if(d)return d.data[e-d.offset];throw Error("Offset "+e+" hasn't been loaded yet.");}}]);return f}();p.exports=f},{}],6:[function(f,p,q){function m(a,
b){if("function"!==typeof b&&null!==b)throw new TypeError("Super expression must either be null or a function, not "+typeof b);a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,enumerable:!1,writable:!0,configurable:!0}});b&&(Object.setPrototypeOf?Object.setPrototypeOf(a,b):a.__proto__=b)}var l=function(){function a(a,c){for(var b=0;b<c.length;b++){var d=c[b];d.enumerable=d.enumerable||!1;d.configurable=!0;"value"in d&&(d.writable=!0);Object.defineProperty(a,d.key,d)}}return function(b,
d,h){d&&a(b.prototype,d);h&&a(b,h);return b}}(),e=[4,132],d=[6,134],c="Other;32x32 pixels 'file icon' (PNG only);Other file icon;Cover (front);Cover (back);Leaflet page;Media (e.g. label side of CD);Lead artist/lead performer/soloist;Artist/performer;Conductor;Band/Orchestra;Composer;Lyricist/text writer;Recording Location;During recording;During performance;Movie/video screen capture;A bright coloured fish;Illustration;Band/artist logotype;Publisher/Studio logotype".split(";");f=function(a){function b(){if(!(this instanceof
b))throw new TypeError("Cannot call a class as a function");var a=(b.__proto__||Object.getPrototypeOf(b)).apply(this,arguments);if(!this)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!a||"object"!==typeof a&&"function"!==typeof a?this:a}m(b,a);l(b,[{key:"_loadData",value:function(a,b){var h=this;a.loadRange([4,7],{onSuccess:function(){h._loadBlock(a,4,b)}})}},{key:"_loadBlock",value:function(a,b,c){var h=this,g=a.getByteAt(b),k=a.getInteger24At(b+1,!0);
if(-1!==e.indexOf(g)){var n=b+4;a.loadRange([n,n+k],{onSuccess:function(){h._commentOffset=n;h._nextBlock(a,b,g,k,c)}})}else-1!==d.indexOf(g)?(n=b+4,a.loadRange([n,n+k],{onSuccess:function(){h._pictureOffset=n;h._nextBlock(a,b,g,k,c)}})):h._nextBlock(a,b,g,k,c)}},{key:"_nextBlock",value:function(a,b,d,c,e){var h=this;if(127<d)if(h._commentOffset)e.onSuccess();else e.onError({type:"loadData",info:"Comment block could not be found."});else a.loadRange([b+4+c,b+4+4+c],{onSuccess:function(){h._loadBlock(a,
b+4+c,e)}})}},{key:"_parseData",value:function(a,b){var h=a.getLongAt(this._commentOffset,!1)+(this._commentOffset+4);b=a.getLongAt(h,!1);h+=4;for(var d,g,e,n,x,f,t=0;t<b;t++){var w=a.getLongAt(h,!1),l=a.getStringWithCharsetAt(h+4,w,"utf-8").toString(),m=l.indexOf("=");l=[l.slice(0,m),l.slice(m+1)];switch(l[0]){case "TITLE":d=l[1];break;case "ARTIST":g=l[1];break;case "ALBUM":e=l[1];break;case "TRACKNUMBER":n=l[1];break;case "GENRE":x=l[1]}h+=4+w}this._pictureOffset&&(f=a.getLongAt(this._pictureOffset,
!0),b=this._pictureOffset+4,h=a.getLongAt(b,!0),t=b+4,b=a.getStringAt(t,h),h=t+h,t=a.getLongAt(h,!0),w=h+4,h=a.getStringWithCharsetAt(w,t,"utf-8").toString(),t=w+t+16,w=a.getLongAt(t,!0),a=a.getBytesAt(t+4,w,!0),f={format:b,type:c[f],description:h,data:a});return{type:"FLAC",version:"1",tags:{title:d,artist:g,album:e,track:n,genre:x,picture:f}}}}],[{key:"getTagIdentifierByteRange",value:function(){return{offset:0,length:4}}},{key:"canReadTagFormat",value:function(a){return"fLaC"===String.fromCharCode.apply(String,
a.slice(0,4))}}]);return b}(f("./MediaTagReader"));p.exports=f},{"./MediaTagReader":12}],7:[function(f,p,q){function m(d,c){if("function"!==typeof c&&null!==c)throw new TypeError("Super expression must either be null or a function, not "+typeof c);d.prototype=Object.create(c&&c.prototype,{constructor:{value:d,enumerable:!1,writable:!0,configurable:!0}});c&&(Object.setPrototypeOf?Object.setPrototypeOf(d,c):d.__proto__=c)}var l=function(){function d(d,a){for(var b=0;b<a.length;b++){var c=a[b];c.enumerable=
c.enumerable||!1;c.configurable=!0;"value"in c&&(c.writable=!0);Object.defineProperty(d,c.key,c)}}return function(c,a,b){a&&d(c.prototype,a);b&&d(c,b);return c}}();q=f("./MediaTagReader");f("./MediaFileReader");f=function(d){function c(){if(!(this instanceof c))throw new TypeError("Cannot call a class as a function");var a=(c.__proto__||Object.getPrototypeOf(c)).apply(this,arguments);if(!this)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!a||"object"!==
typeof a&&"function"!==typeof a?this:a}m(c,d);l(c,[{key:"_loadData",value:function(a,b){var d=a.getSize();a.loadRange([d-128,d-1],b)}},{key:"_parseData",value:function(a,b){var d=a.getSize()-128,h=a.getStringWithCharsetAt(d+3,30).toString(),c=a.getStringWithCharsetAt(d+33,30).toString(),r=a.getStringWithCharsetAt(d+63,30).toString(),u=a.getStringWithCharsetAt(d+93,4).toString();var f=a.getByteAt(d+97+28);b=a.getByteAt(d+97+29);if(0==f&&0!=b){var n="1.1";f=a.getStringWithCharsetAt(d+97,28).toString()}else n=
"1.0",f=a.getStringWithCharsetAt(d+97,30).toString(),b=0;a=a.getByteAt(d+97+30);a={type:"ID3",version:n,tags:{title:h,artist:c,album:r,year:u,comment:f,genre:255>a?e[a]:""}};b&&(a.tags.track=b);return a}}],[{key:"getTagIdentifierByteRange",value:function(){return{offset:-128,length:128}}},{key:"canReadTagFormat",value:function(a){return"TAG"===String.fromCharCode.apply(String,a.slice(0,3))}}]);return c}(q);var e="Blues;Classic Rock;Country;Dance;Disco;Funk;Grunge;Hip-Hop;Jazz;Metal;New Age;Oldies;Other;Pop;R&B;Rap;Reggae;Rock;Techno;Industrial;Alternative;Ska;Death Metal;Pranks;Soundtrack;Euro-Techno;Ambient;Trip-Hop;Vocal;Jazz+Funk;Fusion;Trance;Classical;Instrumental;Acid;House;Game;Sound Clip;Gospel;Noise;AlternRock;Bass;Soul;Punk;Space;Meditative;Instrumental Pop;Instrumental Rock;Ethnic;Gothic;Darkwave;Techno-Industrial;Electronic;Pop-Folk;Eurodance;Dream;Southern Rock;Comedy;Cult;Gangsta;Top 40;Christian Rap;Pop/Funk;Jungle;Native American;Cabaret;New Wave;Psychadelic;Rave;Showtunes;Trailer;Lo-Fi;Tribal;Acid Punk;Acid Jazz;Polka;Retro;Musical;Rock & Roll;Hard Rock;Folk;Folk-Rock;National Folk;Swing;Fast Fusion;Bebob;Latin;Revival;Celtic;Bluegrass;Avantgarde;Gothic Rock;Progressive Rock;Psychedelic Rock;Symphonic Rock;Slow Rock;Big Band;Chorus;Easy Listening;Acoustic;Humour;Speech;Chanson;Opera;Chamber Music;Sonata;Symphony;Booty Bass;Primus;Porn Groove;Satire;Slow Jam;Club;Tango;Samba;Folklore;Ballad;Power Ballad;Rhythmic Soul;Freestyle;Duet;Punk Rock;Drum Solo;Acapella;Euro-House;Dance Hall".split(";");
p.exports=f},{"./MediaFileReader":11,"./MediaTagReader":12}],8:[function(f,p,q){function m(a){switch(a){case 0:a="iso-8859-1";break;case 1:a="utf-16";break;case 2:a="utf-16be";break;case 3:a="utf-8";break;default:a="iso-8859-1"}return a}function l(a,b,d,c){c=d.getStringWithCharsetAt(a+1,b-1,c);a=d.getStringWithCharsetAt(a+1+c.bytesReadCount,b-1-c.bytesReadCount);return{user_description:c.toString(),data:a.toString()}}var e=function(){function a(a,b){for(var d=0;d<b.length;d++){var c=b[d];c.enumerable=
c.enumerable||!1;c.configurable=!0;"value"in c&&(c.writable=!0);Object.defineProperty(a,c.key,c)}}return function(b,d,c){d&&a(b.prototype,d);c&&a(b,c);return b}}();f("./MediaFileReader");var d=f("./StringUtils"),c=f("./ArrayFileReader"),a={BUF:"Recommended buffer size",CNT:"Play counter",COM:"Comments",CRA:"Audio encryption",CRM:"Encrypted meta frame",ETC:"Event timing codes",EQU:"Equalization",GEO:"General encapsulated object",IPL:"Involved people list",LNK:"Linked information",MCI:"Music CD Identifier",
MLL:"MPEG location lookup table",PIC:"Attached picture",POP:"Popularimeter",REV:"Reverb",RVA:"Relative volume adjustment",SLT:"Synchronized lyric/text",STC:"Synced tempo codes",TAL:"Album/Movie/Show title",TBP:"BPM (Beats Per Minute)",TCM:"Composer",TCO:"Content type",TCR:"Copyright message",TDA:"Date",TDY:"Playlist delay",TEN:"Encoded by",TFT:"File type",TIM:"Time",TKE:"Initial key",TLA:"Language(s)",TLE:"Length",TMT:"Media type",TOA:"Original artist(s)/performer(s)",TOF:"Original filename",TOL:"Original Lyricist(s)/text writer(s)",
TOR:"Original release year",TOT:"Original album/Movie/Show title",TP1:"Lead artist(s)/Lead performer(s)/Soloist(s)/Performing group",TP2:"Band/Orchestra/Accompaniment",TP3:"Conductor/Performer refinement",TP4:"Interpreted, remixed, or otherwise modified by",TPA:"Part of a set",TPB:"Publisher",TRC:"ISRC (International Standard Recording Code)",TRD:"Recording dates",TRK:"Track number/Position in set",TSI:"Size",TSS:"Software/hardware and settings used for encoding",TT1:"Content group description",TT2:"Title/Songname/Content description",
TT3:"Subtitle/Description refinement",TXT:"Lyricist/text writer",TXX:"User defined text information frame",TYE:"Year",UFI:"Unique file identifier",ULT:"Unsychronized lyric/text transcription",WAF:"Official audio file webpage",WAR:"Official artist/performer webpage",WAS:"Official audio source webpage",WCM:"Commercial information",WCP:"Copyright/Legal information",WPB:"Publishers official webpage",WXX:"User defined URL link frame",AENC:"Audio encryption",APIC:"Attached picture",ASPI:"Audio seek point index",
CHAP:"Chapter",CTOC:"Table of contents",COMM:"Comments",COMR:"Commercial frame",ENCR:"Encryption method registration",EQU2:"Equalisation (2)",EQUA:"Equalization",ETCO:"Event timing codes",GEOB:"General encapsulated object",GRID:"Group identification registration",IPLS:"Involved people list",LINK:"Linked information",MCDI:"Music CD identifier",MLLT:"MPEG location lookup table",OWNE:"Ownership frame",PRIV:"Private frame",PCNT:"Play counter",POPM:"Popularimeter",POSS:"Position synchronisation frame",
RBUF:"Recommended buffer size",RVA2:"Relative volume adjustment (2)",RVAD:"Relative volume adjustment",RVRB:"Reverb",SEEK:"Seek frame",SYLT:"Synchronized lyric/text",SYTC:"Synchronized tempo codes",TALB:"Album/Movie/Show title",TBPM:"BPM (beats per minute)",TCOM:"Composer",TCON:"Content type",TCOP:"Copyright message",TDAT:"Date",TDLY:"Playlist delay",TDRC:"Recording time",TDRL:"Release time",TDTG:"Tagging time",TENC:"Encoded by",TEXT:"Lyricist/Text writer",TFLT:"File type",TIME:"Time",TIPL:"Involved people list",
TIT1:"Content group description",TIT2:"Title/songname/content description",TIT3:"Subtitle/Description refinement",TKEY:"Initial key",TLAN:"Language(s)",TLEN:"Length",TMCL:"Musician credits list",TMED:"Media type",TMOO:"Mood",TOAL:"Original album/movie/show title",TOFN:"Original filename",TOLY:"Original lyricist(s)/text writer(s)",TOPE:"Original artist(s)/performer(s)",TORY:"Original release year",TOWN:"File owner/licensee",TPE1:"Lead performer(s)/Soloist(s)",TPE2:"Band/orchestra/accompaniment",TPE3:"Conductor/performer refinement",
TPE4:"Interpreted, remixed, or otherwise modified by",TPOS:"Part of a set",TPRO:"Produced notice",TPUB:"Publisher",TRCK:"Track number/Position in set",TRDA:"Recording dates",TRSN:"Internet radio station name",TRSO:"Internet radio station owner",TSOA:"Album sort order",TSOP:"Performer sort order",TSOT:"Title sort order",TSIZ:"Size",TSRC:"ISRC (international standard recording code)",TSSE:"Software/Hardware and settings used for encoding",TSST:"Set subtitle",TYER:"Year",TXXX:"User defined text information frame",
UFID:"Unique file identifier",USER:"Terms of use",USLT:"Unsychronized lyric/text transcription",WCOM:"Commercial information",WCOP:"Copyright/Legal information",WOAF:"Official audio file webpage",WOAR:"Official artist/performer webpage",WOAS:"Official audio source webpage",WORS:"Official internet radio station homepage",WPAY:"Payment",WPUB:"Publishers official webpage",WXXX:"User defined URL link frame"};f=function(){function d(){if(!(this instanceof d))throw new TypeError("Cannot call a class as a function");
}e(d,null,[{key:"getFrameReaderFunction",value:function(a){return a in b?b[a]:"T"===a[0]?b["T*"]:"W"===a[0]?b["W*"]:null}},{key:"readFrames",value:function(a,b,c,h,g){for(var k={},e=this._getFrameHeaderSize(h);a<b-e;){var r=this._readFrameHeader(c,a,h),n=r.id;if(!n)break;var f=r.flags,u=r.size,v=a+r.headerSize,l=c;a+=r.headerSize+r.size;if(!g||-1!==g.indexOf(n)){if("MP3e"===n||"\x00MP3"===n||"\x00\x00MP"===n||" MP3"===n)break;f&&f.format.unsynchronisation&&(l=this.getUnsyncFileReader(l,v,u),v=0,u=
l.getSize());f&&f.format.data_length_indicator&&(v+=4,u-=4);f=(r=d.getFrameReaderFunction(n))?r.apply(this,[v,u,l,f,h]):null;v=this._getFrameDescription(n);u={id:n,size:u,description:v,data:f};n in k?(k[n].id&&(k[n]=[k[n]]),k[n].push(u)):k[n]=u}}return k}},{key:"_getFrameHeaderSize",value:function(a){a=a.major;return 2==a?6:3==a||4==a?10:0}},{key:"_readFrameHeader",value:function(a,b,d){var c=d.major,h=null;d=this._getFrameHeaderSize(d);switch(c){case 2:var g=a.getStringAt(b,3);var k=a.getInteger24At(b+
3,!0);break;case 3:g=a.getStringAt(b,4);k=a.getLongAt(b+4,!0);break;case 4:g=a.getStringAt(b,4),k=a.getSynchsafeInteger32At(b+4)}if(g==String.fromCharCode(0,0,0)||g==String.fromCharCode(0,0,0,0))g="";g&&2<c&&(h=this._readFrameFlags(a,b+8));return{id:g||"",size:k||0,headerSize:d||0,flags:h}}},{key:"_readFrameFlags",value:function(a,b){return{message:{tag_alter_preservation:a.isBitSetAt(b,6),file_alter_preservation:a.isBitSetAt(b,5),read_only:a.isBitSetAt(b,4)},format:{grouping_identity:a.isBitSetAt(b+
1,7),compression:a.isBitSetAt(b+1,3),encryption:a.isBitSetAt(b+1,2),unsynchronisation:a.isBitSetAt(b+1,1),data_length_indicator:a.isBitSetAt(b+1,0)}}}},{key:"_getFrameDescription",value:function(b){return b in a?a[b]:"Unknown"}},{key:"getUnsyncFileReader",value:function(a,b,d){a=a.getBytesAt(b,d);for(b=0;b<a.length-1;b++)255===a[b]&&0===a[b+1]&&a.splice(b+1,1);return new c(a)}}]);return d}();var b={APIC:function(a,b,d,c,e){c=a;var h=m(d.getByteAt(a));switch(e&&e.major){case 2:e=d.getStringAt(a+1,
3);a+=4;break;case 3:case 4:e=d.getStringWithCharsetAt(a+1,b-1);a+=1+e.bytesReadCount;break;default:throw Error("Couldn't read ID3v2 major version.");}var k=d.getByteAt(a);k=g[k];h=d.getStringWithCharsetAt(a+1,b-(a-c)-1,h);a+=1+h.bytesReadCount;return{format:e.toString(),type:k,description:h.toString(),data:d.getBytesAt(a,c+b-a)}},CHAP:function(a,b,c,g,e){g=a;var h={},k=d.readNullTerminatedString(c.getBytesAt(a,b));h.id=k.toString();a+=k.bytesReadCount;h.startTime=c.getLongAt(a,!0);a+=4;h.endTime=
c.getLongAt(a,!0);a+=4;h.startOffset=c.getLongAt(a,!0);a+=4;h.endOffset=c.getLongAt(a,!0);a+=4;h.subFrames=this.readFrames(a,a+(b-(a-g)),c,e);return h},CTOC:function(a,b,c,g,e){g=a;var h={childElementIds:[],id:void 0,topLevel:void 0,ordered:void 0,entryCount:void 0,subFrames:void 0},k=d.readNullTerminatedString(c.getBytesAt(a,b));h.id=k.toString();a+=k.bytesReadCount;h.topLevel=c.isBitSetAt(a,1);h.ordered=c.isBitSetAt(a,0);a++;h.entryCount=c.getByteAt(a);a++;for(k=0;k<h.entryCount;k++){var f=d.readNullTerminatedString(c.getBytesAt(a,
b-(a-g)));h.childElementIds.push(f.toString());a+=f.bytesReadCount}h.subFrames=this.readFrames(a,a+(b-(a-g)),c,e);return h},COMM:function(a,b,c,d,g){var h=a,e=m(c.getByteAt(a));d=c.getStringAt(a+1,3);g=c.getStringWithCharsetAt(a+4,b-4,e);a+=4+g.bytesReadCount;a=c.getStringWithCharsetAt(a,h+b-a,e);return{language:d,short_description:g.toString(),text:a.toString()}}};b.COM=b.COMM;b.PIC=function(a,c,d,g,e){return b.APIC(a,c,d,g,e)};b.PCNT=function(a,b,c,d,g){return c.getLongAt(a,!1)};b.CNT=b.PCNT;b["T*"]=
function(a,b,c,d,g){d=m(c.getByteAt(a));return c.getStringWithCharsetAt(a+1,b-1,d).toString()};b.TXXX=function(a,b,c,d,g){d=m(c.getByteAt(a));return l(a,b,c,d)};b.WXXX=function(a,b,c,d,g){if(0===b)return null;d=m(c.getByteAt(a));return l(a,b,c,d)};b["W*"]=function(a,b,c,d,g){return 0===b?null:c.getStringWithCharsetAt(a,b,"iso-8859-1").toString()};b.TCON=function(a,c,d,g){return b["T*"].apply(this,arguments).replace(/^\(\d+\)/,"")};b.TCO=b.TCON;b.USLT=function(a,b,c,d,g){var h=a,e=m(c.getByteAt(a));
d=c.getStringAt(a+1,3);g=c.getStringWithCharsetAt(a+4,b-4,e);a+=4+g.bytesReadCount;a=c.getStringWithCharsetAt(a,h+b-a,e);return{language:d,descriptor:g.toString(),lyrics:a.toString()}};b.ULT=b.USLT;b.UFID=function(a,b,c,g,e){g=d.readNullTerminatedString(c.getBytesAt(a,b));a+=g.bytesReadCount;a=c.getBytesAt(a,b-g.bytesReadCount);return{ownerIdentifier:g.toString(),identifier:a}};var g="Other;32x32 pixels 'file icon' (PNG only);Other file icon;Cover (front);Cover (back);Leaflet page;Media (e.g. label side of CD);Lead artist/lead performer/soloist;Artist/performer;Conductor;Band/Orchestra;Composer;Lyricist/text writer;Recording Location;During recording;During performance;Movie/video screen capture;A bright coloured fish;Illustration;Band/artist logotype;Publisher/Studio logotype".split(";");
p.exports=f},{"./ArrayFileReader":3,"./MediaFileReader":11,"./StringUtils":13}],9:[function(f,p,q){function m(c,a){if("function"!==typeof a&&null!==a)throw new TypeError("Super expression must either be null or a function, not "+typeof a);c.prototype=Object.create(a&&a.prototype,{constructor:{value:c,enumerable:!1,writable:!0,configurable:!0}});a&&(Object.setPrototypeOf?Object.setPrototypeOf(c,a):c.__proto__=a)}var l=function(){function c(a,b){for(var c=0;c<b.length;c++){var d=b[c];d.enumerable=d.enumerable||
!1;d.configurable=!0;"value"in d&&(d.writable=!0);Object.defineProperty(a,d.key,d)}}return function(a,b,d){b&&c(a.prototype,b);d&&c(a,d);return a}}();q=f("./MediaTagReader");f("./MediaFileReader");var e=f("./ID3v2FrameReader");f=function(c){function a(){if(!(this instanceof a))throw new TypeError("Cannot call a class as a function");var b=(a.__proto__||Object.getPrototypeOf(a)).apply(this,arguments);if(!this)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!b||
"object"!==typeof b&&"function"!==typeof b?this:b}m(a,c);l(a,[{key:"_loadData",value:function(a,c){a.loadRange([6,9],{onSuccess:function(){a.loadRange([0,10+a.getSynchsafeInteger32At(6)-1],c)},onError:c.onError})}},{key:"_parseData",value:function(a,c){var b,g=0,f=a.getByteAt(g+3);if(4<f)return{type:"ID3",version:">2.4",tags:{}};var l=a.getByteAt(g+4),m=a.isBitSetAt(g+5,7),n=a.isBitSetAt(g+5,6),x=a.isBitSetAt(g+5,5),p=a.getSynchsafeInteger32At(g+6);g+=10;if(n)if(4===f){var t=a.getSynchsafeInteger32At(g);
g+=t}else t=a.getLongAt(g,!0),g+=t+4;t={type:"ID3",version:"2."+f+"."+l,major:f,revision:l,flags:{unsynchronisation:m,extended_header:n,experimental_indicator:x,footer_present:!1},size:p,tags:{}};c&&(b=this._expandShortcutTags(c));c=p+10;t.flags.unsynchronisation&&(a=e.getUnsyncFileReader(a,g,p),g=0,c=a.getSize());a=e.readFrames(g,c,a,t,b);for(var q in d)d.hasOwnProperty(q)&&(b=this._getFrameData(a,d[q]))&&(t.tags[q]=b);for(var z in a)a.hasOwnProperty(z)&&(t.tags[z]=a[z]);return t}},{key:"_getFrameData",
value:function(a,c){for(var b=0,d;d=c[b];b++)if(d in a)return a=a[d]instanceof Array?a[d][0]:a[d],a.data}},{key:"getShortcuts",value:function(){return d}}],[{key:"getTagIdentifierByteRange",value:function(){return{offset:0,length:10}}},{key:"canReadTagFormat",value:function(a){return"ID3"===String.fromCharCode.apply(String,a.slice(0,3))}}]);return a}(q);var d={title:["TIT2","TT2"],artist:["TPE1","TP1"],album:["TALB","TAL"],year:["TYER","TYE"],comment:["COMM","COM"],track:["TRCK","TRK"],genre:["TCON",
"TCO"],picture:["APIC","PIC"],lyrics:["USLT","ULT"]};p.exports=f},{"./ID3v2FrameReader":8,"./MediaFileReader":11,"./MediaTagReader":12}],10:[function(f,p,q){function m(a,b){if("function"!==typeof b&&null!==b)throw new TypeError("Super expression must either be null or a function, not "+typeof b);a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,enumerable:!1,writable:!0,configurable:!0}});b&&(Object.setPrototypeOf?Object.setPrototypeOf(a,b):a.__proto__=b)}var l=function(){function a(a,
c){for(var b=0;b<c.length;b++){var d=c[b];d.enumerable=d.enumerable||!1;d.configurable=!0;"value"in d&&(d.writable=!0);Object.defineProperty(a,d.key,d)}}return function(b,c,d){c&&a(b.prototype,c);d&&a(b,d);return b}}();q=f("./MediaTagReader");f("./MediaFileReader");f=function(a){function b(){if(!(this instanceof b))throw new TypeError("Cannot call a class as a function");var a=(b.__proto__||Object.getPrototypeOf(b)).apply(this,arguments);if(!this)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
return!a||"object"!==typeof a&&"function"!==typeof a?this:a}m(b,a);l(b,[{key:"_loadData",value:function(a,b){var c=this;a.loadRange([0,16],{onSuccess:function(){c._loadAtom(a,0,"",b)},onError:b.onError})}},{key:"_loadAtom",value:function(a,b,c,d){if(b>=a.getSize())d.onSuccess();else{var g=this,e=a.getLongAt(b,!0);if(0==e||isNaN(e))d.onSuccess();else{var h=a.getStringAt(b+4,4);if(this._isContainerAtom(h)){"meta"==h&&(b+=4);var f=(c?c+".":"")+h;"moov.udta.meta.ilst"===f?a.loadRange([b,b+e],d):a.loadRange([b+
8,b+8+8],{onSuccess:function(){g._loadAtom(a,b+8,f,d)},onError:d.onError})}else a.loadRange([b+e,b+e+8],{onSuccess:function(){g._loadAtom(a,b+e,c,d)},onError:d.onError})}}}},{key:"_isContainerAtom",value:function(a){return 0<=["moov","udta","meta","ilst"].indexOf(a)}},{key:"_canReadAtom",value:function(a){return"----"!==a}},{key:"_parseData",value:function(a,b){var d={};b=this._expandShortcutTags(b);this._readAtom(d,a,0,a.getSize(),b);for(var e in c)c.hasOwnProperty(e)&&(b=d[c[e]])&&(d[e]="track"===
e?b.data.track:b.data);return{type:"MP4",ftyp:a.getStringAt(8,4),version:a.getLongAt(12,!0),tags:d}}},{key:"_readAtom",value:function(a,b,d,c,e,f,n){n=void 0===n?"":n+"  ";for(var g=d;g<d+c;){var h=b.getLongAt(g,!0);if(0==h)break;var k=b.getStringAt(g+4,4);if(this._isContainerAtom(k)){"meta"==k&&(g+=4);this._readAtom(a,b,g+8,h-8,e,(f?f+".":"")+k,n);break}(!e||0<=e.indexOf(k))&&"moov.udta.meta.ilst"===f&&this._canReadAtom(k)&&(a[k]=this._readMetadataAtom(b,g));g+=h}}},{key:"_readMetadataAtom",value:function(a,
b){var c=a.getLongAt(b,!0),g=a.getStringAt(b+4,4),h=a.getInteger24At(b+16+1,!0);h=e[h];if("trkn"==g)var f={track:a.getByteAt(b+16+11),total:a.getByteAt(b+16+13)};else if("disk"==g)f={disk:a.getByteAt(b+16+11),total:a.getByteAt(b+16+13)};else{b+=24;var n=c-24;"covr"===g&&"uint8"===h&&(h="jpeg");switch(h){case "text":f=a.getStringWithCharsetAt(b,n,"utf-8").toString();break;case "uint8":f=a.getShortAt(b,!1);break;case "int":case "uint":f=("int"==h?1==n?a.getSByteAt:2==n?a.getSShortAt:4==n?a.getSLongAt:
a.getLongAt:1==n?a.getByteAt:2==n?a.getShortAt:a.getLongAt).call(a,b+(8==n?4:0),!0);break;case "jpeg":case "png":f={format:"image/"+h,data:a.getBytesAt(b,n)}}}return{id:g,size:c,description:d[g]||"Unknown",data:f}}},{key:"getShortcuts",value:function(){return c}}],[{key:"getTagIdentifierByteRange",value:function(){return{offset:0,length:16}}},{key:"canReadTagFormat",value:function(a){return"ftyp"===String.fromCharCode.apply(String,a.slice(4,8))}}]);return b}(q);var e={0:"uint8",1:"text",13:"jpeg",
14:"png",21:"int",22:"uint"},d={"\u00a9alb":"Album","\u00a9ART":"Artist",aART:"Album Artist","\u00a9day":"Release Date","\u00a9nam":"Title","\u00a9gen":"Genre",gnre:"Genre",trkn:"Track Number","\u00a9wrt":"Composer","\u00a9too":"Encoding Tool","\u00a9enc":"Encoded By",cprt:"Copyright",covr:"Cover Art","\u00a9grp":"Grouping",keyw:"Keywords","\u00a9lyr":"Lyrics","\u00a9cmt":"Comment",tmpo:"Tempo",cpil:"Compilation",disk:"Disc Number",tvsh:"TV Show Name",tven:"TV Episode ID",tvsn:"TV Season",tves:"TV Episode",
tvnn:"TV Network",desc:"Description",ldes:"Long Description",sonm:"Sort Name",soar:"Sort Artist",soaa:"Sort Album",soco:"Sort Composer",sosn:"Sort Show",purd:"Purchase Date",pcst:"Podcast",purl:"Podcast URL",catg:"Category",hdvd:"HD Video",stik:"Media Type",rtng:"Content Rating",pgap:"Gapless Playback",apID:"Purchase Account",sfID:"Country Code",atID:"Artist ID",cnID:"Catalog ID",plID:"Collection ID",geID:"Genre ID","xid ":"Vendor Information",flvr:"Codec Flavor"},c={title:"\u00a9nam",artist:"\u00a9ART",
album:"\u00a9alb",year:"\u00a9day",comment:"\u00a9cmt",track:"trkn",genre:"\u00a9gen",picture:"covr",lyrics:"\u00a9lyr"};p.exports=f},{"./MediaFileReader":11,"./MediaTagReader":12}],11:[function(f,p,q){var m=function(){function e(d,c){for(var a=0;a<c.length;a++){var b=c[a];b.enumerable=b.enumerable||!1;b.configurable=!0;"value"in b&&(b.writable=!0);Object.defineProperty(d,b.key,b)}}return function(d,c,a){c&&e(d.prototype,c);a&&e(d,a);return d}}(),l=f("./StringUtils");f=function(){function e(d){if(!(this instanceof
e))throw new TypeError("Cannot call a class as a function");this._isInitialized=!1;this._size=0}m(e,[{key:"init",value:function(d){var c=this;if(this._isInitialized)setTimeout(d.onSuccess,1);else return this._init({onSuccess:function(){c._isInitialized=!0;d.onSuccess()},onError:d.onError})}},{key:"_init",value:function(d){throw Error("Must implement init function");}},{key:"loadRange",value:function(d,c){throw Error("Must implement loadRange function");}},{key:"getSize",value:function(){if(!this._isInitialized)throw Error("init() must be called first.");
return this._size}},{key:"getByteAt",value:function(d){throw Error("Must implement getByteAt function");}},{key:"getBytesAt",value:function(d,c){for(var a=Array(c),b=0;b<c;b++)a[b]=this.getByteAt(d+b);return a}},{key:"isBitSetAt",value:function(d,c){return 0!=(this.getByteAt(d)&1<<c)}},{key:"getSByteAt",value:function(d){d=this.getByteAt(d);return 127<d?d-256:d}},{key:"getShortAt",value:function(d,c){d=c?(this.getByteAt(d)<<8)+this.getByteAt(d+1):(this.getByteAt(d+1)<<8)+this.getByteAt(d);0>d&&(d+=
65536);return d}},{key:"getSShortAt",value:function(d,c){d=this.getShortAt(d,c);return 32767<d?d-65536:d}},{key:"getLongAt",value:function(d,c){var a=this.getByteAt(d),b=this.getByteAt(d+1),e=this.getByteAt(d+2);d=this.getByteAt(d+3);c=c?(((a<<8)+b<<8)+e<<8)+d:(((d<<8)+e<<8)+b<<8)+a;0>c&&(c+=4294967296);return c}},{key:"getSLongAt",value:function(d,c){d=this.getLongAt(d,c);return 2147483647<d?d-4294967296:d}},{key:"getInteger24At",value:function(d,c){var a=this.getByteAt(d),b=this.getByteAt(d+1);
d=this.getByteAt(d+2);c=c?((a<<8)+b<<8)+d:((d<<8)+b<<8)+a;0>c&&(c+=16777216);return c}},{key:"getStringAt",value:function(d,c){for(var a=[],b=d,e=0;b<d+c;b++,e++)a[e]=String.fromCharCode(this.getByteAt(b));return a.join("")}},{key:"getStringWithCharsetAt",value:function(d,c,a){d=this.getBytesAt(d,c);switch((a||"").toLowerCase()){case "utf-16":case "utf-16le":case "utf-16be":a=l.readUTF16String(d,"utf-16be"===a);break;case "utf-8":a=l.readUTF8String(d);break;default:a=l.readNullTerminatedString(d)}return a}},
{key:"getCharAt",value:function(d){return String.fromCharCode(this.getByteAt(d))}},{key:"getSynchsafeInteger32At",value:function(d){var c=this.getByteAt(d),a=this.getByteAt(d+1),b=this.getByteAt(d+2);return this.getByteAt(d+3)&127|(b&127)<<7|(a&127)<<14|(c&127)<<21}}],[{key:"canReadFile",value:function(d){throw Error("Must implement canReadFile function");}}]);return e}();p.exports=f},{"./StringUtils":13}],12:[function(f,p,q){var m=function(){function f(e,d){for(var c=0;c<d.length;c++){var a=d[c];
a.enumerable=a.enumerable||!1;a.configurable=!0;"value"in a&&(a.writable=!0);Object.defineProperty(e,a.key,a)}}return function(e,d,c){d&&f(e.prototype,d);c&&f(e,c);return e}}();f("./MediaFileReader");f=function(){function f(e){if(!(this instanceof f))throw new TypeError("Cannot call a class as a function");this._mediaFileReader=e;this._tags=null}m(f,[{key:"setTagsToRead",value:function(e){this._tags=e;return this}},{key:"read",value:function(e){var d=this;this._mediaFileReader.init({onSuccess:function(){d._loadData(d._mediaFileReader,
{onSuccess:function(){try{var c=d._parseData(d._mediaFileReader,d._tags)}catch(a){if(e.onError){e.onError({type:"parseData",info:a.message});return}}e.onSuccess(c)},onError:e.onError})},onError:e.onError})}},{key:"getShortcuts",value:function(){return{}}},{key:"_loadData",value:function(e,d){throw Error("Must implement _loadData function");}},{key:"_parseData",value:function(e,d){throw Error("Must implement _parseData function");}},{key:"_expandShortcutTags",value:function(e){if(!e)return null;for(var d=
[],c=this.getShortcuts(),a=0,b;b=e[a];a++)d=d.concat(c[b]||[b]);return d}}],[{key:"getTagIdentifierByteRange",value:function(){throw Error("Must implement");}},{key:"canReadTagFormat",value:function(e){throw Error("Must implement");}}]);return f}();p.exports=f},{"./MediaFileReader":11}],13:[function(f,p,q){var m=function(){function e(d,c){for(var a=0;a<c.length;a++){var b=c[a];b.enumerable=b.enumerable||!1;b.configurable=!0;"value"in b&&(b.writable=!0);Object.defineProperty(d,b.key,b)}}return function(d,
c,a){c&&e(d.prototype,c);a&&e(d,a);return d}}(),l=function(){function e(d,c){if(!(this instanceof e))throw new TypeError("Cannot call a class as a function");this._value=d;this.bytesReadCount=c;this.length=d.length}m(e,[{key:"toString",value:function(){return this._value}}]);return e}();p.exports={readUTF16String:function(e,d,c){var a=0,b=1,g=0;c=Math.min(c||e.length,e.length);254==e[0]&&255==e[1]?(d=!0,a=2):255==e[0]&&254==e[1]&&(d=!1,a=2);d&&(b=0,g=1);d=[];for(var h=0;a<c;h++){var f=e[a+b],m=(f<<
8)+e[a+g];a+=2;if(0==m)break;else 216>f||224<=f?d[h]=String.fromCharCode(m):(f=(e[a+b]<<8)+e[a+g],a+=2,d[h]=String.fromCharCode(m,f))}return new l(d.join(""),a)},readUTF8String:function(e,d){var c=0;d=Math.min(d||e.length,e.length);239==e[0]&&187==e[1]&&191==e[2]&&(c=3);for(var a=[],b=0;c<d;b++){var g=e[c++];if(0==g)break;else if(128>g)a[b]=String.fromCharCode(g);else if(194<=g&&224>g){var h=e[c++];a[b]=String.fromCharCode(((g&31)<<6)+(h&63))}else if(224<=g&&240>g){h=e[c++];var f=e[c++];a[b]=String.fromCharCode(((g&
255)<<12)+((h&63)<<6)+(f&63))}else if(240<=g&&245>g){h=e[c++];f=e[c++];var m=e[c++];f=((g&7)<<18)+((h&63)<<12)+((f&63)<<6)+(m&63)-65536;a[b]=String.fromCharCode((f>>10)+55296,(f&1023)+56320)}}return new l(a.join(""),c)},readNullTerminatedString:function(e,d){var c=[];d=d||e.length;for(var a=0;a<d;){var b=e[a++];if(0==b)break;c[a-1]=String.fromCharCode(b)}return new l(c.join(""),a)}}},{}],14:[function(f,p,q){function m(d,c){if("function"!==typeof c&&null!==c)throw new TypeError("Super expression must either be null or a function, not "+
typeof c);d.prototype=Object.create(c&&c.prototype,{constructor:{value:d,enumerable:!1,writable:!0,configurable:!0}});c&&(Object.setPrototypeOf?Object.setPrototypeOf(d,c):d.__proto__=c)}var l=function(){function d(d,a){for(var b=0;b<a.length;b++){var c=a[b];c.enumerable=c.enumerable||!1;c.configurable=!0;"value"in c&&(c.writable=!0);Object.defineProperty(d,c.key,c)}}return function(c,a,b){a&&d(c.prototype,a);b&&d(c,b);return c}}(),e=f("./ChunkedFileData");q=function(d){function c(a){if(!(this instanceof
c))throw new TypeError("Cannot call a class as a function");var b=(c.__proto__||Object.getPrototypeOf(c)).call(this);if(!this)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");b=!b||"object"!==typeof b&&"function"!==typeof b?this:b;b._url=a;b._fileData=new e;return b}m(c,d);l(c,[{key:"_init",value:function(a){c._config.avoidHeadRequests?this._fetchSizeWithGetRequest(a):this._fetchSizeWithHeadRequest(a)}},{key:"_fetchSizeWithHeadRequest",value:function(a){var b=
this;this._makeXHRRequest("HEAD",null,{onSuccess:function(c){(c=b._parseContentLength(c))?(b._size=c,a.onSuccess()):b._fetchSizeWithGetRequest(a)},onError:a.onError})}},{key:"_fetchSizeWithGetRequest",value:function(a){var b=this,c=this._roundRangeToChunkMultiple([0,0]);this._makeXHRRequest("GET",c,{onSuccess:function(c){var d=b._parseContentRange(c);c=b._getXhrResponseContent(c);if(d){if(null==d.instanceLength){b._fetchEntireFile(a);return}b._size=d.instanceLength}else b._size=c.length;b._fileData.addData(0,
c);a.onSuccess()},onError:a.onError})}},{key:"_fetchEntireFile",value:function(a){var b=this;this._makeXHRRequest("GET",null,{onSuccess:function(c){c=b._getXhrResponseContent(c);b._size=c.length;b._fileData.addData(0,c);a.onSuccess()},onError:a.onError})}},{key:"_getXhrResponseContent",value:function(a){return a.responseBody||a.responseText||""}},{key:"_parseContentLength",value:function(a){a=this._getResponseHeader(a,"Content-Length");return null==a?a:parseInt(a,10)}},{key:"_parseContentRange",value:function(a){if(a=
this._getResponseHeader(a,"Content-Range")){var b=a.match(/bytes (\d+)-(\d+)\/(?:(\d+)|\*)/i);if(!b)throw Error("FIXME: Unknown Content-Range syntax: "+a);return{firstBytePosition:parseInt(b[1],10),lastBytePosition:parseInt(b[2],10),instanceLength:b[3]?parseInt(b[3],10):null}}return null}},{key:"loadRange",value:function(a,b){var c=this;c._fileData.hasDataRange(a[0],Math.min(c._size,a[1]))?setTimeout(b.onSuccess,1):(a=this._roundRangeToChunkMultiple(a),a[1]=Math.min(c._size,a[1]),this._makeXHRRequest("GET",
a,{onSuccess:function(d){d=c._getXhrResponseContent(d);c._fileData.addData(a[0],d);b.onSuccess()},onError:b.onError}))}},{key:"_roundRangeToChunkMultiple",value:function(a){return[a[0],a[0]+1024*Math.ceil((a[1]-a[0]+1)/1024)-1]}},{key:"_makeXHRRequest",value:function(a,b,d){var e=this._createXHRObject();e.open(a,this._url);var f=function(){if(200===e.status||206===e.status)d.onSuccess(e);else if(d.onError)d.onError({type:"xhr",info:"Unexpected HTTP status "+e.status+".",xhr:e});e=null};"undefined"!==
typeof e.onload?(e.onload=f,e.onerror=function(){if(d.onError)d.onError({type:"xhr",info:"Generic XHR error, check xhr object.",xhr:e})}):e.onreadystatechange=function(){4===e.readyState&&f()};c._config.timeoutInSec&&(e.timeout=1E3*c._config.timeoutInSec,e.ontimeout=function(){if(d.onError)d.onError({type:"xhr",info:"Timeout after "+e.timeout/1E3+"s. Use jsmediatags.Config.setXhrTimeout to override.",xhr:e})});e.overrideMimeType("text/plain; charset=x-user-defined");b&&this._setRequestHeader(e,"Range",
"bytes="+b[0]+"-"+b[1]);this._setRequestHeader(e,"If-Modified-Since","Sat, 01 Jan 1970 00:00:00 GMT");e.send(null)}},{key:"_setRequestHeader",value:function(a,b,d){0>c._config.disallowedXhrHeaders.indexOf(b.toLowerCase())&&a.setRequestHeader(b,d)}},{key:"_hasResponseHeader",value:function(a,b){a=a.getAllResponseHeaders();if(!a)return!1;a=a.split("\r\n");for(var c=[],d=0;d<a.length;d++)c[d]=a[d].split(":")[0].toLowerCase();return 0<=c.indexOf(b.toLowerCase())}},{key:"_getResponseHeader",value:function(a,
b){return this._hasResponseHeader(a,b)?a.getResponseHeader(b):null}},{key:"getByteAt",value:function(a){return this._fileData.getByteAt(a).charCodeAt(0)&255}},{key:"_isWebWorker",value:function(){return"undefined"!==typeof WorkerGlobalScope&&self instanceof WorkerGlobalScope}},{key:"_createXHRObject",value:function(){if("undefined"===typeof window&&!this._isWebWorker())return new (f("xhr2").XMLHttpRequest);if("undefined"!==typeof XMLHttpRequest)return new XMLHttpRequest;throw Error("XMLHttpRequest is not supported");
}}],[{key:"canReadFile",value:function(a){return"string"===typeof a&&/^[a-z]+:\/\//i.test(a)}},{key:"setConfig",value:function(a){for(var b in a)a.hasOwnProperty(b)&&(this._config[b]=a[b]);a=this._config.disallowedXhrHeaders;for(b=0;b<a.length;b++)a[b]=a[b].toLowerCase()}}]);return c}(f("./MediaFileReader"));q._config={avoidHeadRequests:!1,disallowedXhrHeaders:[],timeoutInSec:30};p.exports=q},{"./ChunkedFileData":5,"./MediaFileReader":11,xhr2:2}],15:[function(f,p,q){function m(a,b){if(!(a instanceof
b))throw new TypeError("Cannot call a class as a function");}function l(a,b){var c=0>a.offset&&(-a.offset>b||0<a.offset+a.length);return!(0<=a.offset&&a.offset+a.length>=b||c)}var e=function(){function a(a,b){for(var c=0;c<b.length;c++){var d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;"value"in d&&(d.writable=!0);Object.defineProperty(a,d.key,d)}}return function(b,c,d){c&&a(b.prototype,c);d&&a(b,d);return b}}();f("./MediaFileReader");q=f("./NodeFileReader");var d=f("./XhrFileReader"),c=
f("./BlobFileReader"),a=f("./ArrayFileReader");f("./MediaTagReader");var b=f("./ID3v1TagReader"),g=f("./ID3v2TagReader"),h=f("./MP4TagReader");f=f("./FLACTagReader");var k=[],r=[],u=function(){function a(b){m(this,a);this._file=b}e(a,[{key:"setTagsToRead",value:function(a){this._tagsToRead=a;return this}},{key:"setFileReader",value:function(a){this._fileReader=a;return this}},{key:"setTagReader",value:function(a){this._tagReader=a;return this}},{key:"read",value:function(a){var b=new (this._getFileReader())(this._file),
c=this;b.init({onSuccess:function(){c._getTagReader(b,{onSuccess:function(d){(new d(b)).setTagsToRead(c._tagsToRead).read(a)},onError:a.onError})},onError:a.onError})}},{key:"_getFileReader",value:function(){return this._fileReader?this._fileReader:this._findFileReader()}},{key:"_findFileReader",value:function(){for(var a=0;a<k.length;a++)if(k[a].canReadFile(this._file))return k[a];throw Error("No suitable file reader found for "+this._file);}},{key:"_getTagReader",value:function(a,b){if(this._tagReader){var c=
this._tagReader;setTimeout(function(){b.onSuccess(c)},1)}else this._findTagReader(a,b)}},{key:"_findTagReader",value:function(a,b){for(var c=[],d=[],e=a.getSize(),f=0;f<r.length;f++){var g=r[f].getTagIdentifierByteRange();l(g,e)&&(0<=g.offset&&g.offset<e/2||0>g.offset&&g.offset<-e/2?c.push(r[f]):d.push(r[f]))}var h=!1;f={onSuccess:function(){if(h){for(var c=0;c<r.length;c++){var d=r[c].getTagIdentifierByteRange();if(l(d,e)){try{var f=a.getBytesAt(0<=d.offset?d.offset:d.offset+e,d.length)}catch(A){if(b.onError)b.onError({type:"fileReader",
info:A.message});return}if(r[c].canReadTagFormat(f)){b.onSuccess(r[c]);return}}}if(b.onError)b.onError({type:"tagFormat",info:"No suitable tag reader found"})}else h=!0},onError:b.onError};this._loadTagIdentifierRanges(a,c,f);this._loadTagIdentifierRanges(a,d,f)}},{key:"_loadTagIdentifierRanges",value:function(a,b,c){if(0===b.length)setTimeout(c.onSuccess,1);else{for(var d=[Number.MAX_VALUE,0],e=a.getSize(),f=0;f<b.length;f++){var g=b[f].getTagIdentifierByteRange(),h=0<=g.offset?g.offset:g.offset+
e;g=h+g.length-1;d[0]=Math.min(h,d[0]);d[1]=Math.max(g,d[1])}a.loadRange(d,c)}}}]);return a}(),v=function(){function a(){m(this,a)}e(a,null,[{key:"addFileReader",value:function(b){k.push(b);return a}},{key:"addTagReader",value:function(b){r.push(b);return a}},{key:"removeTagReader",value:function(b){b=r.indexOf(b);0<=b&&r.splice(b,1);return a}},{key:"EXPERIMENTAL_avoidHeadRequests",value:function(){d.setConfig({avoidHeadRequests:!0})}},{key:"setDisallowedXhrHeaders",value:function(a){d.setConfig({disallowedXhrHeaders:a})}},
{key:"setXhrTimeoutInSec",value:function(a){d.setConfig({timeoutInSec:a})}}]);return a}();v.addFileReader(d).addFileReader(c).addFileReader(a).addTagReader(g).addTagReader(b).addTagReader(h).addTagReader(f);"undefined"===typeof process||process.browser||v.addFileReader(q);p.exports={read:function(a,b){(new u(a)).read(b)},Reader:u,Config:v}},{"./ArrayFileReader":3,"./BlobFileReader":4,"./FLACTagReader":6,"./ID3v1TagReader":7,"./ID3v2TagReader":9,"./MP4TagReader":10,"./MediaFileReader":11,"./MediaTagReader":12,
"./NodeFileReader":1,"./XhrFileReader":14}]},{},[15])(15)});