/**
 * Copyright (c) 2009 Opera Software ASA
 * Copyright (c) 2015 António Afonso
 * Copyright (c) 2008 Jacob Seidelin, http://blog.nihilogic.dk/
 * Copyright (c) 2010 Joshua Kifer
 * All rights reserved.
 * https://github.com/aadsm/jsmediatags
 */
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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"};d=function(){function e(){if(!(this instanceof e))throw new TypeError("Cannot call a class as a function");
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p,t),p=0,t=n.getSize());l&&l.format.data_length_indicator&&(p+=4,t-=4);l=(h=e.getFrameReaderFunction(m))?h.apply(this,[p,t,n,l,k]):null;p=this._getFrameDescription(m);t={id:m,size:t,description:p,data:l};m in f?(f[m].id&&(f[m]=[f[m]]),f[m].push(t)):f[m]=t}}return f}},{key:"_getFrameHeaderSize",value:function(b){b=b.major;return 2==b?6:3==b||4==b?10:0}},{key:"_readFrameHeader",value:function(b,a,c){var f=c.major,g=null;c=this._getFrameHeaderSize(c);switch(f){case 2:var e=b.getStringAt(a,3);var m=b.getInteger24At(a+
3,!0);break;case 3:e=b.getStringAt(a,4);m=b.getLongAt(a+4,!0);break;case 4:e=b.getStringAt(a,4),m=b.getSynchsafeInteger32At(a+4)}if(e==String.fromCharCode(0,0,0)||e==String.fromCharCode(0,0,0,0))e="";e&&2<f&&(g=this._readFrameFlags(b,a+8));return{id:e||"",size:m||0,headerSize:c||0,flags:g}}},{key:"_readFrameFlags",value:function(b,a){return{message:{tag_alter_preservation:b.isBitSetAt(a,6),file_alter_preservation:b.isBitSetAt(a,5),read_only:b.isBitSetAt(a,4)},format:{grouping_identity:b.isBitSetAt(a+
1,7),compression:b.isBitSetAt(a+1,3),encryption:b.isBitSetAt(a+1,2),unsynchronisation:b.isBitSetAt(a+1,1),data_length_indicator:b.isBitSetAt(a+1,0)}}}},{key:"_getFrameDescription",value:function(b){return b in h?h[b]:"Unknown"}},{key:"getUnsyncFileReader",value:function(f,a,c){f=f.getBytesAt(a,c);for(a=0;a<f.length-1;a++)255===f[a]&&0===f[a+1]&&f.splice(a+1,1);return new b(f)}}]);return e}();var l={APIC:function(b,f,a,c,k){c=b;var g=v(a.getByteAt(b));switch(k&&k.major){case 2:k=a.getStringAt(b+1,
3);b+=4;break;case 3:case 4:k=a.getStringWithCharsetAt(b+1,f-1);b+=1+k.bytesReadCount;break;default:throw Error("Couldn't read ID3v2 major version.");}var e=a.getByteAt(b);e=t[e];g=a.getStringWithCharsetAt(b+1,f-(b-c)-1,g);b+=1+g.bytesReadCount;return{format:k.toString(),type:e,description:g.toString(),data:a.getBytesAt(b,c+f-b)}},CHAP:function(b,f,a,c,k){c=b;var g={},h=e.readNullTerminatedString(a.getBytesAt(b,f));g.id=h.toString();b+=h.bytesReadCount;g.startTime=a.getLongAt(b,!0);b+=4;g.endTime=
a.getLongAt(b,!0);b+=4;g.startOffset=a.getLongAt(b,!0);b+=4;g.endOffset=a.getLongAt(b,!0);b+=4;g.subFrames=this.readFrames(b,b+(f-(b-c)),a,k);return g},CTOC:function(b,f,a,c,k){c=b;var g={childElementIds:[],id:void 0,topLevel:void 0,ordered:void 0,entryCount:void 0,subFrames:void 0},h=e.readNullTerminatedString(a.getBytesAt(b,f));g.id=h.toString();b+=h.bytesReadCount;g.topLevel=a.isBitSetAt(b,1);g.ordered=a.isBitSetAt(b,0);b++;g.entryCount=a.getByteAt(b);b++;for(h=0;h<g.entryCount;h++){var d=e.readNullTerminatedString(a.getBytesAt(b,
f-(b-c)));g.childElementIds.push(d.toString());b+=d.bytesReadCount}g.subFrames=this.readFrames(b,b+(f-(b-c)),a,k);return g},COMM:function(b,f,a,c,k){var g=b,e=v(a.getByteAt(b));c=a.getStringAt(b+1,3);k=a.getStringWithCharsetAt(b+4,f-4,e);b+=4+k.bytesReadCount;b=a.getStringWithCharsetAt(b,g+f-b,e);return{language:c,short_description:k.toString(),text:b.toString()}}};l.COM=l.COMM;l.PIC=function(b,f,a,c,k){return l.APIC(b,f,a,c,k)};l.PCNT=function(b,f,a,c,k){return a.getLongAt(b,!1)};l.CNT=l.PCNT;l["T*"]=
function(b,f,a,c,k){c=v(a.getByteAt(b));return a.getStringWithCharsetAt(b+1,f-1,c).toString()};l.TXXX=function(b,f,a,c,k){c=v(a.getByteAt(b));return p(b,f,a,c)};l.WXXX=function(b,f,a,c,k){if(0===f)return null;c=v(a.getByteAt(b));return p(b,f,a,c)};l["W*"]=function(b,f,a,c,k){return 0===f?null:a.getStringWithCharsetAt(b,f,"iso-8859-1").toString()};l.TCON=function(b,f,a,c){return l["T*"].apply(this,arguments).replace(/^\(\d+\)/,"")};l.TCO=l.TCON;l.USLT=function(b,f,a,c,k){var g=b,e=v(a.getByteAt(b));
c=a.getStringAt(b+1,3);k=a.getStringWithCharsetAt(b+4,f-4,e);b+=4+k.bytesReadCount;b=a.getStringWithCharsetAt(b,g+f-b,e);return{language:c,descriptor:k.toString(),lyrics:b.toString()}};l.ULT=l.USLT;l.UFID=function(b,f,a,c,k){c=e.readNullTerminatedString(a.getBytesAt(b,f));b+=c.bytesReadCount;b=a.getBytesAt(b,f-c.bytesReadCount);return{ownerIdentifier:c.toString(),identifier:b}};var t="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(";");
r.exports=d},{"./ArrayFileReader":3,"./MediaFileReader":11,"./StringUtils":13}],9:[function(d,r,q){function n(b){"@babel/helpers - typeof";n="function"===typeof Symbol&&"symbol"===typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"===typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a};return n(b)}function u(b,a){for(var c=0;c<a.length;c++){var f=a[c];f.enumerable=f.enumerable||!1;f.configurable=!0;"value"in f&&(f.writable=!0);Object.defineProperty(b,
f.key,f)}}function v(b,a,c){a&&u(b.prototype,a);c&&u(b,c);return b}function p(b,a){if("function"!==typeof a&&null!==a)throw new TypeError("Super expression must either be null or a function");b.prototype=Object.create(a&&a.prototype,{constructor:{value:b,writable:!0,configurable:!0}});a&&e(b,a)}function e(b,a){e=Object.setPrototypeOf||function(a,b){a.__proto__=b;return a};return e(b,a)}function b(b){var a=h();return function(){var c=l(b);if(a){var f=l(this).constructor;c=Reflect.construct(c,arguments,
f)}else c=c.apply(this,arguments);if(!c||"object"!==n(c)&&"function"!==typeof c){if(void 0===this)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");c=this}return c}}function h(){if("undefined"===typeof Reflect||!Reflect.construct||Reflect.construct.sham)return!1;if("function"===typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){})),!0}catch(f){return!1}}function l(b){l=Object.setPrototypeOf?Object.getPrototypeOf:
function(a){return a.__proto__||Object.getPrototypeOf(a)};return l(b)}q=d("./MediaTagReader");d("./MediaFileReader");var t=d("./ID3v2FrameReader");d=function(f){function a(){if(!(this instanceof a))throw new TypeError("Cannot call a class as a function");return c.apply(this,arguments)}p(a,f);var c=b(a);v(a,[{key:"_loadData",value:function(a,b){a.loadRange([6,9],{onSuccess:function(){a.loadRange([0,10+a.getSynchsafeInteger32At(6)-1],b)},onError:b.onError})}},{key:"_parseData",value:function(a,b){var c,
g=0,f=a.getByteAt(g+3);if(4<f)return{type:"ID3",version:">2.4",tags:{}};var e=a.getByteAt(g+4),k=a.isBitSetAt(g+5,7),h=a.isBitSetAt(g+5,6),d=a.isBitSetAt(g+5,5),l=a.getSynchsafeInteger32At(g+6);g+=10;if(h)if(4===f){var p=a.getSynchsafeInteger32At(g);g+=p}else p=a.getLongAt(g,!0),g+=p+4;p={type:"ID3",version:"2."+f+"."+e,major:f,revision:e,flags:{unsynchronisation:k,extended_header:h,experimental_indicator:d,footer_present:!1},size:l,tags:{}};b&&(c=this._expandShortcutTags(b));b=l+10;p.flags.unsynchronisation&&
(a=t.getUnsyncFileReader(a,g,l),g=0,b=a.getSize());a=t.readFrames(g,b,a,p,c);for(var n in m)m.hasOwnProperty(n)&&(c=this._getFrameData(a,m[n]))&&(p.tags[n]=c);for(var q in a)a.hasOwnProperty(q)&&(p.tags[q]=a[q]);return p}},{key:"_getFrameData",value:function(a,b){for(var c=0,g;g=b[c];c++)if(g in a)return a=a[g]instanceof Array?a[g][0]:a[g],a.data}},{key:"getShortcuts",value:function(){return m}}],[{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 m={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"]};r.exports=d},{"./ID3v2FrameReader":8,"./MediaFileReader":11,"./MediaTagReader":12}],10:[function(d,r,q){function n(a){"@babel/helpers - typeof";n="function"===typeof Symbol&&"symbol"===typeof Symbol.iterator?
function(a){return typeof a}:function(a){return a&&"function"===typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a};return n(a)}function u(a,b){for(var c=0;c<b.length;c++){var g=b[c];g.enumerable=g.enumerable||!1;g.configurable=!0;"value"in g&&(g.writable=!0);Object.defineProperty(a,g.key,g)}}function v(a,b,f){b&&u(a.prototype,b);f&&u(a,f);return a}function p(a,b){if("function"!==typeof b&&null!==b)throw new TypeError("Super expression must either be null or a function");
a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,writable:!0,configurable:!0}});b&&e(a,b)}function e(a,b){e=Object.setPrototypeOf||function(a,b){a.__proto__=b;return a};return e(a,b)}function b(a){var b=h();return function(){var c=l(a);if(b){var g=l(this).constructor;c=Reflect.construct(c,arguments,g)}else c=c.apply(this,arguments);if(!c||"object"!==n(c)&&"function"!==typeof c){if(void 0===this)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");c=this}return c}}
function h(){if("undefined"===typeof Reflect||!Reflect.construct||Reflect.construct.sham)return!1;if("function"===typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){})),!0}catch(a){return!1}}function l(a){l=Object.setPrototypeOf?Object.getPrototypeOf:function(a){return a.__proto__||Object.getPrototypeOf(a)};return l(a)}q=d("./MediaTagReader");d("./MediaFileReader");d=function(a){function c(){if(!(this instanceof c))throw new TypeError("Cannot call a class as a function");
return e.apply(this,arguments)}p(c,a);var e=b(c);v(c,[{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,f){if(b>=a.getSize())f.onSuccess();else{var g=this,e=a.getLongAt(b,!0);if(0==e||isNaN(e))f.onSuccess();else{var h=a.getStringAt(b+4,4);if(this._isContainerAtom(h)){"meta"==h&&(b+=4);var d=(c?c+".":"")+h;"moov.udta.meta.ilst"===d?a.loadRange([b,b+e],f):a.loadRange([b+8,b+8+8],
{onSuccess:function(){g._loadAtom(a,b+8,d,f)},onError:f.onError})}else a.loadRange([b+e,b+e+8],{onSuccess:function(){g._loadAtom(a,b+e,c,f)},onError:f.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 c={};b=this._expandShortcutTags(b);this._readAtom(c,a,0,a.getSize(),b);for(var g in f)f.hasOwnProperty(g)&&(b=c[f[g]])&&(c[g]="track"===g?b.data.track:
b.data);return{type:"MP4",ftyp:a.getStringAt(8,4),version:a.getLongAt(12,!0),tags:c}}},{key:"_readAtom",value:function(a,b,c,f,e,h,d){d=void 0===d?"":d+"  ";for(var g=c;g<c+f;){var l=b.getLongAt(g,!0);if(0==l)break;var k=b.getStringAt(g+4,4);if(this._isContainerAtom(k)){"meta"==k&&(g+=4);this._readAtom(a,b,g+8,l-8,e,(h?h+".":"")+k,d);break}(!e||0<=e.indexOf(k))&&"moov.udta.meta.ilst"===h&&this._canReadAtom(k)&&(a[k]=this._readMetadataAtom(b,g));g+=l}}},{key:"_readMetadataAtom",value:function(a,b){var c=
a.getLongAt(b,!0),g=a.getStringAt(b+4,4),f=a.getInteger24At(b+16+1,!0);f=t[f];if("trkn"==g)var e={track:a.getShortAt(b+16+10,!0),total:a.getShortAt(b+16+14,!0)};else if("disk"==g)e={disk:a.getShortAt(b+16+10,!0),total:a.getShortAt(b+16+14,!0)};else{b+=24;var h=c-24;"covr"===g&&"uint8"===f&&(f="jpeg");switch(f){case "text":e=a.getStringWithCharsetAt(b,h,"utf-8").toString();break;case "uint8":e=a.getShortAt(b,!1);break;case "int":case "uint":e=("int"==f?1==h?a.getSByteAt:2==h?a.getSShortAt:4==h?a.getSLongAt:
a.getLongAt:1==h?a.getByteAt:2==h?a.getShortAt:a.getLongAt).call(a,b+(8==h?4:0),!0);break;case "jpeg":case "png":e={format:"image/"+f,data:a.getBytesAt(b,h)}}}return{id:g,size:c,description:m[g]||"Unknown",data:e}}},{key:"getShortcuts",value:function(){return f}}],[{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 c}(q);var t={0:"uint8",1:"text",13:"jpeg",
14:"png",21:"int",22:"uint"},m={"\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"},f={title:"\u00a9nam",artist:"\u00a9ART",
album:"\u00a9alb",year:"\u00a9day",comment:"\u00a9cmt",track:"trkn",genre:"\u00a9gen",picture:"covr",lyrics:"\u00a9lyr"};r.exports=d},{"./MediaFileReader":11,"./MediaTagReader":12}],11:[function(d,r,q){function n(e,b){for(var h=0;h<b.length;h++){var d=b[h];d.enumerable=d.enumerable||!1;d.configurable=!0;"value"in d&&(d.writable=!0);Object.defineProperty(e,d.key,d)}}function u(e,b,h){b&&n(e.prototype,b);h&&n(e,h);return e}function v(e,b,h){b in e?Object.defineProperty(e,b,{value:h,enumerable:!0,configurable:!0,
writable:!0}):e[b]=h;return e}var p=d("./StringUtils");d=function(){function e(b){if(!(this instanceof e))throw new TypeError("Cannot call a class as a function");v(this,"_isInitialized",void 0);v(this,"_size",void 0);this._isInitialized=!1;this._size=0}u(e,[{key:"init",value:function(b){var e=this;if(this._isInitialized)setTimeout(b.onSuccess,1);else return this._init({onSuccess:function(){e._isInitialized=!0;b.onSuccess()},onError:b.onError})}},{key:"_init",value:function(b){throw Error("Must implement init function");
}},{key:"loadRange",value:function(b,e){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(b){throw Error("Must implement getByteAt function");}},{key:"getBytesAt",value:function(b,e){for(var h=Array(e),d=0;d<e;d++)h[d]=this.getByteAt(b+d);return h}},{key:"isBitSetAt",value:function(b,e){return 0!=(this.getByteAt(b)&1<<e)}},{key:"getSByteAt",value:function(b){b=
this.getByteAt(b);return 127<b?b-256:b}},{key:"getShortAt",value:function(b,e){b=e?(this.getByteAt(b)<<8)+this.getByteAt(b+1):(this.getByteAt(b+1)<<8)+this.getByteAt(b);0>b&&(b+=65536);return b}},{key:"getSShortAt",value:function(b,e){b=this.getShortAt(b,e);return 32767<b?b-65536:b}},{key:"getLongAt",value:function(b,e){var d=this.getByteAt(b),h=this.getByteAt(b+1),m=this.getByteAt(b+2);b=this.getByteAt(b+3);e=e?(((d<<8)+h<<8)+m<<8)+b:(((b<<8)+m<<8)+h<<8)+d;0>e&&(e+=4294967296);return e}},{key:"getSLongAt",
value:function(b,e){b=this.getLongAt(b,e);return 2147483647<b?b-4294967296:b}},{key:"getInteger24At",value:function(b,e){var d=this.getByteAt(b),h=this.getByteAt(b+1);b=this.getByteAt(b+2);e=e?((d<<8)+h<<8)+b:((b<<8)+h<<8)+d;0>e&&(e+=16777216);return e}},{key:"getStringAt",value:function(b,e){for(var d=[],h=b,m=0;h<b+e;h++,m++)d[m]=String.fromCharCode(this.getByteAt(h));return d.join("")}},{key:"getStringWithCharsetAt",value:function(b,e,d){b=this.getBytesAt(b,e);switch((d||"").toLowerCase()){case "utf-16":case "utf-16le":case "utf-16be":d=
p.readUTF16String(b,"utf-16be"===d);break;case "utf-8":d=p.readUTF8String(b);break;default:d=p.readNullTerminatedString(b)}return d}},{key:"getCharAt",value:function(b){return String.fromCharCode(this.getByteAt(b))}},{key:"getSynchsafeInteger32At",value:function(b){var e=this.getByteAt(b),d=this.getByteAt(b+1),p=this.getByteAt(b+2);return this.getByteAt(b+3)&127|(p&127)<<7|(d&127)<<14|(e&127)<<21}}],[{key:"canReadFile",value:function(b){throw Error("Must implement canReadFile function");}}]);return e}();
r.exports=d},{"./StringUtils":13}],12:[function(d,r,q){function n(d,e){for(var b=0;b<e.length;b++){var h=e[b];h.enumerable=h.enumerable||!1;h.configurable=!0;"value"in h&&(h.writable=!0);Object.defineProperty(d,h.key,h)}}function u(d,e,b){e&&n(d.prototype,e);b&&n(d,b);return d}function v(d,e,b){e in d?Object.defineProperty(d,e,{value:b,enumerable:!0,configurable:!0,writable:!0}):d[e]=b;return d}d("./MediaFileReader");d=function(){function d(e){if(!(this instanceof d))throw new TypeError("Cannot call a class as a function");
v(this,"_mediaFileReader",void 0);v(this,"_tags",void 0);this._mediaFileReader=e;this._tags=null}u(d,[{key:"setTagsToRead",value:function(e){this._tags=e;return this}},{key:"read",value:function(e){var b=this;this._mediaFileReader.init({onSuccess:function(){b._loadData(b._mediaFileReader,{onSuccess:function(){try{var d=b._parseData(b._mediaFileReader,b._tags)}catch(l){if(e.onError){e.onError({type:"parseData",info:l.message});return}}e.onSuccess(d)},onError:e.onError})},onError:e.onError})}},{key:"getShortcuts",
value:function(){return{}}},{key:"_loadData",value:function(e,b){throw Error("Must implement _loadData function");}},{key:"_parseData",value:function(e,b){throw Error("Must implement _parseData function");}},{key:"_expandShortcutTags",value:function(e){if(!e)return null;for(var b=[],d=this.getShortcuts(),l=0,n;n=e[l];l++)b=b.concat(d[n]||[n]);return b}}],[{key:"getTagIdentifierByteRange",value:function(){throw Error("Must implement");}},{key:"canReadTagFormat",value:function(e){throw Error("Must implement");
}}]);return d}();r.exports=d},{"./MediaFileReader":11}],13:[function(d,r,q){function n(e,b){for(var d=0;d<b.length;d++){var l=b[d];l.enumerable=l.enumerable||!1;l.configurable=!0;"value"in l&&(l.writable=!0);Object.defineProperty(e,l.key,l)}}function u(e,b,d){b&&n(e.prototype,b);d&&n(e,d);return e}function v(e,b,d){b in e?Object.defineProperty(e,b,{value:d,enumerable:!0,configurable:!0,writable:!0}):e[b]=d;return e}var p=function(){function e(b,d){if(!(this instanceof e))throw new TypeError("Cannot call a class as a function");
v(this,"_value",void 0);v(this,"bytesReadCount",void 0);v(this,"length",void 0);this._value=b;this.bytesReadCount=d;this.length=b.length}u(e,[{key:"toString",value:function(){return this._value}}]);return e}();r.exports={readUTF16String:function(e,b,d){var h=0,n=1,m=0;d=Math.min(d||e.length,e.length);254==e[0]&&255==e[1]?(b=!0,h=2):255==e[0]&&254==e[1]&&(b=!1,h=2);b&&(n=0,m=1);b=[];for(var f=0;h<d;f++){var a=e[h+n],c=(a<<8)+e[h+m];h+=2;if(0==c)break;else 216>a||224<=a?b[f]=String.fromCharCode(c):
(a=(e[h+n]<<8)+e[h+m],h+=2,b[f]=String.fromCharCode(c,a))}return new p(b.join(""),h)},readUTF8String:function(e,b){var d=0;b=Math.min(b||e.length,e.length);239==e[0]&&187==e[1]&&191==e[2]&&(d=3);for(var l=[],n=0;d<b;n++){var m=e[d++];if(0==m)break;else if(128>m)l[n]=String.fromCharCode(m);else if(194<=m&&224>m){var f=e[d++];l[n]=String.fromCharCode(((m&31)<<6)+(f&63))}else if(224<=m&&240>m){f=e[d++];var a=e[d++];l[n]=String.fromCharCode(((m&255)<<12)+((f&63)<<6)+(a&63))}else if(240<=m&&245>m){f=e[d++];
a=e[d++];var c=e[d++];a=((m&7)<<18)+((f&63)<<12)+((a&63)<<6)+(c&63)-65536;l[n]=String.fromCharCode((a>>10)+55296,(a&1023)+56320)}}return new p(l.join(""),d)},readNullTerminatedString:function(e,b){var d=[];b=b||e.length;for(var l=0;l<b;){var n=e[l++];if(0==n)break;d[l-1]=String.fromCharCode(n)}return new p(d.join(""),l)}}},{}],14:[function(d,r,q){function n(a){"@babel/helpers - typeof";n="function"===typeof Symbol&&"symbol"===typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&
"function"===typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a};return n(a)}function u(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)}}function v(a,b,d){b&&u(a.prototype,b);d&&u(a,d);return a}function p(a,b){if("function"!==typeof b&&null!==b)throw new TypeError("Super expression must either be null or a function");a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,
writable:!0,configurable:!0}});b&&e(a,b)}function e(a,b){e=Object.setPrototypeOf||function(a,b){a.__proto__=b;return a};return e(a,b)}function b(a){var b=l();return function(){var c=t(a);if(b){var d=t(this).constructor;c=Reflect.construct(c,arguments,d)}else c=c.apply(this,arguments);c=!c||"object"!==n(c)&&"function"!==typeof c?h(this):c;return c}}function h(a){if(void 0===a)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return a}function l(){if("undefined"===
typeof Reflect||!Reflect.construct||Reflect.construct.sham)return!1;if("function"===typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){})),!0}catch(a){return!1}}function t(a){t=Object.setPrototypeOf?Object.getPrototypeOf:function(a){return a.__proto__||Object.getPrototypeOf(a)};return t(a)}function m(a,b,d){b in a?Object.defineProperty(a,b,{value:d,enumerable:!0,configurable:!0,writable:!0}):a[b]=d;return a}var f=d("./ChunkedFileData");q=function(a){function c(a){if(!(this instanceof
c))throw new TypeError("Cannot call a class as a function");var b=e.call(this);m(h(b),"_url",void 0);m(h(b),"_fileData",void 0);b._url=a;b._fileData=new f;return b}p(c,a);var e=b(c);v(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 (d("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}(d("./MediaFileReader"));m(q,"_config",void 0);q._config={avoidHeadRequests:!1,disallowedXhrHeaders:[],timeoutInSec:30};r.exports=q},{"./ChunkedFileData":5,"./MediaFileReader":11,xhr2:2}],15:[function(d,r,q){function n(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function");}function u(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)}}function v(a,b,c){b&&u(a.prototype,b);c&&u(a,c);return a}function p(a,b,c){b in a?Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0}):a[b]=c;return a}function e(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)}d("./MediaFileReader");var b=d("./XhrFileReader"),h=d("./BlobFileReader"),l=d("./ArrayFileReader");d("./MediaTagReader");var t=
d("./ID3v1TagReader"),m=d("./ID3v2TagReader"),f=d("./MP4TagReader"),a=d("./FLACTagReader"),c=[],k=[],g=function(){function a(b){n(this,a);p(this,"_file",void 0);p(this,"_tagsToRead",void 0);p(this,"_fileReader",void 0);p(this,"_tagReader",void 0);this._file=b}v(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<c.length;a++)if(c[a].canReadFile(this._file))return c[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=[],f=a.getSize(),g=0;g<k.length;g++){var h=k[g].getTagIdentifierByteRange();e(h,f)&&(0<=h.offset&&h.offset<f/2||0>h.offset&&h.offset<-f/2?c.push(k[g]):d.push(k[g]))}var l=!1;g={onSuccess:function(){if(l){for(var c=0;c<k.length;c++){var d=k[c].getTagIdentifierByteRange();if(e(d,f)){try{var g=a.getBytesAt(0<=d.offset?
d.offset:d.offset+f,d.length)}catch(z){if(b.onError)b.onError({type:"fileReader",info:z.message});return}if(k[c].canReadTagFormat(g)){b.onSuccess(k[c]);return}}}if(b.onError)b.onError({type:"tagFormat",info:"No suitable tag reader found"})}else l=!0},onError:b.onError};this._loadTagIdentifierRanges(a,c,g);this._loadTagIdentifierRanges(a,d,g)}},{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}();q=function(){function a(){n(this,a)}v(a,null,[{key:"addFileReader",value:function(b){c.push(b);return a}},{key:"addTagReader",value:function(b){k.push(b);return a}},{key:"removeTagReader",value:function(b){b=k.indexOf(b);0<=b&&k.splice(b,1);return a}},{key:"EXPERIMENTAL_avoidHeadRequests",value:function(){b.setConfig({avoidHeadRequests:!0})}},
{key:"setDisallowedXhrHeaders",value:function(a){b.setConfig({disallowedXhrHeaders:a})}},{key:"setXhrTimeoutInSec",value:function(a){b.setConfig({timeoutInSec:a})}}]);return a}();q.addFileReader(b).addFileReader(h).addFileReader(l).addTagReader(m).addTagReader(t).addTagReader(f).addTagReader(a);"undefined"===typeof process||process.browser||(d="undefined"!==typeof navigator&&"ReactNative"===navigator.product?d("./ReactNativeFileReader"):d("./NodeFileReader"),q.addFileReader(d));r.exports={read:function(a,
b){(new g(a)).read(b)},Reader:g,Config:q}},{"./ArrayFileReader":3,"./BlobFileReader":4,"./FLACTagReader":6,"./ID3v1TagReader":7,"./ID3v2TagReader":9,"./MP4TagReader":10,"./MediaFileReader":11,"./MediaTagReader":12,"./NodeFileReader":1,"./ReactNativeFileReader":1,"./XhrFileReader":14}]},{},[15])(15)});