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-rw-r--r--getid3/module.tag.id3v1.php361
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diff --git a/getid3/module.tag.id3v1.php b/getid3/module.tag.id3v1.php
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--- a/getid3/module.tag.id3v1.php
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@@ -1,361 +0,0 @@
-<?php
-/////////////////////////////////////////////////////////////////
-/// getID3() by James Heinrich <info@getid3.org> //
-// available at http://getid3.sourceforge.net //
-// or http://www.getid3.org //
-/////////////////////////////////////////////////////////////////
-// See readme.txt for more details //
-/////////////////////////////////////////////////////////////////
-// //
-// module.tag.id3v1.php //
-// module for analyzing ID3v1 tags //
-// dependencies: NONE //
-// ///
-/////////////////////////////////////////////////////////////////
-
-
-class getid3_id3v1
-{
-
- function getid3_id3v1(&$fd, &$ThisFileInfo) {
-
- if ($ThisFileInfo['filesize'] >= pow(2, 31)) {
- $ThisFileInfo['warning'][] = 'Unable to check for ID3v1 because file is larger than 2GB';
- return false;
- }
-
- fseek($fd, -256, SEEK_END);
- $preid3v1 = fread($fd, 128);
- $id3v1tag = fread($fd, 128);
-
- if (substr($id3v1tag, 0, 3) == 'TAG') {
-
- $ThisFileInfo['avdataend'] = $ThisFileInfo['filesize'] - 128;
-
- $ParsedID3v1['title'] = $this->cutfield(substr($id3v1tag, 3, 30));
- $ParsedID3v1['artist'] = $this->cutfield(substr($id3v1tag, 33, 30));
- $ParsedID3v1['album'] = $this->cutfield(substr($id3v1tag, 63, 30));
- $ParsedID3v1['year'] = $this->cutfield(substr($id3v1tag, 93, 4));
- $ParsedID3v1['comment'] = substr($id3v1tag, 97, 30); // can't remove nulls yet, track detection depends on them
- $ParsedID3v1['genreid'] = ord(substr($id3v1tag, 127, 1));
-
- // If second-last byte of comment field is null and last byte of comment field is non-null
- // then this is ID3v1.1 and the comment field is 28 bytes long and the 30th byte is the track number
- if (($id3v1tag{125} === "\x00") && ($id3v1tag{126} !== "\x00")) {
- $ParsedID3v1['track'] = ord(substr($ParsedID3v1['comment'], 29, 1));
- $ParsedID3v1['comment'] = substr($ParsedID3v1['comment'], 0, 28);
- }
- $ParsedID3v1['comment'] = $this->cutfield($ParsedID3v1['comment']);
-
- $ParsedID3v1['genre'] = $this->LookupGenreName($ParsedID3v1['genreid']);
- if (!empty($ParsedID3v1['genre'])) {
- unset($ParsedID3v1['genreid']);
- }
- if (empty($ParsedID3v1['genre']) || (@$ParsedID3v1['genre'] == 'Unknown')) {
- unset($ParsedID3v1['genre']);
- }
-
- foreach ($ParsedID3v1 as $key => $value) {
- $ParsedID3v1['comments'][$key][0] = $value;
- }
-
- // ID3v1 data is supposed to be padded with NULL characters, but some taggers pad with spaces
- $GoodFormatID3v1tag = $this->GenerateID3v1Tag(
- $ParsedID3v1['title'],
- $ParsedID3v1['artist'],
- $ParsedID3v1['album'],
- $ParsedID3v1['year'],
- (isset($ParsedID3v1['genre']) ? $this->LookupGenreID($ParsedID3v1['genre']) : false),
- $ParsedID3v1['comment'],
- @$ParsedID3v1['track']);
- $ParsedID3v1['padding_valid'] = true;
- if ($id3v1tag !== $GoodFormatID3v1tag) {
- $ParsedID3v1['padding_valid'] = false;
- $ThisFileInfo['warning'][] = 'Some ID3v1 fields do not use NULL characters for padding';
- }
-
- $ParsedID3v1['tag_offset_end'] = $ThisFileInfo['filesize'];
- $ParsedID3v1['tag_offset_start'] = $ParsedID3v1['tag_offset_end'] - 128;
-
- $ThisFileInfo['id3v1'] = $ParsedID3v1;
- }
-
- if (substr($preid3v1, 0, 3) == 'TAG') {
- // The way iTunes handles tags is, well, brain-damaged.
- // It completely ignores v1 if ID3v2 is present.
- // This goes as far as adding a new v1 tag *even if there already is one*
-
- // A suspected double-ID3v1 tag has been detected, but it could be that
- // the "TAG" identifier is a legitimate part of an APE or Lyrics3 tag
- if (substr($preid3v1, 96, 8) == 'APETAGEX') {
- // an APE tag footer was found before the last ID3v1, assume false "TAG" synch
- } elseif (substr($preid3v1, 119, 6) == 'LYRICS') {
- // a Lyrics3 tag footer was found before the last ID3v1, assume false "TAG" synch
- } else {
- // APE and Lyrics3 footers not found - assume double ID3v1
- $ThisFileInfo['warning'][] = 'Duplicate ID3v1 tag detected - this has been known to happen with iTunes';
- $ThisFileInfo['avdataend'] -= 128;
- }
- }
-
- return true;
- }
-
- function cutfield($str) {
- return trim(substr($str, 0, strcspn($str, "\x00")));
- }
-
- function ArrayOfGenres($allowSCMPXextended=false) {
- static $GenreLookup = array(
- 0 => 'Blues',
- 1 => 'Classic Rock',
- 2 => 'Country',
- 3 => 'Dance',
- 4 => 'Disco',
- 5 => 'Funk',
- 6 => 'Grunge',
- 7 => 'Hip-Hop',
- 8 => 'Jazz',
- 9 => 'Metal',
- 10 => 'New Age',
- 11 => 'Oldies',
- 12 => 'Other',
- 13 => 'Pop',
- 14 => 'R&B',
- 15 => 'Rap',
- 16 => 'Reggae',
- 17 => 'Rock',
- 18 => 'Techno',
- 19 => 'Industrial',
- 20 => 'Alternative',
- 21 => 'Ska',
- 22 => 'Death Metal',
- 23 => 'Pranks',
- 24 => 'Soundtrack',
- 25 => 'Euro-Techno',
- 26 => 'Ambient',
- 27 => 'Trip-Hop',
- 28 => 'Vocal',
- 29 => 'Jazz+Funk',
- 30 => 'Fusion',
- 31 => 'Trance',
- 32 => 'Classical',
- 33 => 'Instrumental',
- 34 => 'Acid',
- 35 => 'House',
- 36 => 'Game',
- 37 => 'Sound Clip',
- 38 => 'Gospel',
- 39 => 'Noise',
- 40 => 'Alt. Rock',
- 41 => 'Bass',
- 42 => 'Soul',
- 43 => 'Punk',
- 44 => 'Space',
- 45 => 'Meditative',
- 46 => 'Instrumental Pop',
- 47 => 'Instrumental Rock',
- 48 => 'Ethnic',
- 49 => 'Gothic',
- 50 => 'Darkwave',
- 51 => 'Techno-Industrial',
- 52 => 'Electronic',
- 53 => 'Pop-Folk',
- 54 => 'Eurodance',
- 55 => 'Dream',
- 56 => 'Southern Rock',
- 57 => 'Comedy',
- 58 => 'Cult',
- 59 => 'Gangsta Rap',
- 60 => 'Top 40',
- 61 => 'Christian Rap',
- 62 => 'Pop/Funk',
- 63 => 'Jungle',
- 64 => 'Native American',
- 65 => 'Cabaret',
- 66 => 'New Wave',
- 67 => 'Psychedelic',
- 68 => 'Rave',
- 69 => 'Showtunes',
- 70 => 'Trailer',
- 71 => 'Lo-Fi',
- 72 => 'Tribal',
- 73 => 'Acid Punk',
- 74 => 'Acid Jazz',
- 75 => 'Polka',
- 76 => 'Retro',
- 77 => 'Musical',
- 78 => 'Rock & Roll',
- 79 => 'Hard Rock',
- 80 => 'Folk',
- 81 => 'Folk/Rock',
- 82 => 'National Folk',
- 83 => 'Swing',
- 84 => 'Fast-Fusion',
- 85 => 'Bebob',
- 86 => 'Latin',
- 87 => 'Revival',
- 88 => 'Celtic',
- 89 => 'Bluegrass',
- 90 => 'Avantgarde',
- 91 => 'Gothic Rock',
- 92 => 'Progressive Rock',
- 93 => 'Psychedelic Rock',
- 94 => 'Symphonic Rock',
- 95 => 'Slow Rock',
- 96 => 'Big Band',
- 97 => 'Chorus',
- 98 => 'Easy Listening',
- 99 => 'Acoustic',
- 100 => 'Humour',
- 101 => 'Speech',
- 102 => 'Chanson',
- 103 => 'Opera',
- 104 => 'Chamber Music',
- 105 => 'Sonata',
- 106 => 'Symphony',
- 107 => 'Booty Bass',
- 108 => 'Primus',
- 109 => 'Porn Groove',
- 110 => 'Satire',
- 111 => 'Slow Jam',
- 112 => 'Club',
- 113 => 'Tango',
- 114 => 'Samba',
- 115 => 'Folklore',
- 116 => 'Ballad',
- 117 => 'Power Ballad',
- 118 => 'Rhythmic Soul',
- 119 => 'Freestyle',
- 120 => 'Duet',
- 121 => 'Punk Rock',
- 122 => 'Drum Solo',
- 123 => 'A Cappella',
- 124 => 'Euro-House',
- 125 => 'Dance Hall',
- 126 => 'Goa',
- 127 => 'Drum & Bass',
- 128 => 'Club-House',
- 129 => 'Hardcore',
- 130 => 'Terror',
- 131 => 'Indie',
- 132 => 'BritPop',
- 133 => 'Negerpunk',
- 134 => 'Polsk Punk',
- 135 => 'Beat',
- 136 => 'Christian Gangsta Rap',
- 137 => 'Heavy Metal',
- 138 => 'Black Metal',
- 139 => 'Crossover',
- 140 => 'Contemporary Christian',
- 141 => 'Christian Rock',
- 142 => 'Merengue',
- 143 => 'Salsa',
- 144 => 'Trash Metal',
- 145 => 'Anime',
- 146 => 'JPop',
- 147 => 'Synthpop',
-
- 255 => 'Unknown',
-
- 'CR' => 'Cover',
- 'RX' => 'Remix'
- );
-
- static $GenreLookupSCMPX = array();
- if ($allowSCMPXextended && empty($GenreLookupSCMPX)) {
- $GenreLookupSCMPX = $GenreLookup;
- // http://www.geocities.co.jp/SiliconValley-Oakland/3664/alittle.html#GenreExtended
- // Extended ID3v1 genres invented by SCMPX
- // Note that 255 "Japanese Anime" conflicts with standard "Unknown"
- $GenreLookupSCMPX[240] = 'Sacred';
- $GenreLookupSCMPX[241] = 'Northern Europe';
- $GenreLookupSCMPX[242] = 'Irish & Scottish';
- $GenreLookupSCMPX[243] = 'Scotland';
- $GenreLookupSCMPX[244] = 'Ethnic Europe';
- $GenreLookupSCMPX[245] = 'Enka';
- $GenreLookupSCMPX[246] = 'Children\'s Song';
- $GenreLookupSCMPX[247] = 'Japanese Sky';
- $GenreLookupSCMPX[248] = 'Japanese Heavy Rock';
- $GenreLookupSCMPX[249] = 'Japanese Doom Rock';
- $GenreLookupSCMPX[250] = 'Japanese J-POP';
- $GenreLookupSCMPX[251] = 'Japanese Seiyu';
- $GenreLookupSCMPX[252] = 'Japanese Ambient Techno';
- $GenreLookupSCMPX[253] = 'Japanese Moemoe';
- $GenreLookupSCMPX[254] = 'Japanese Tokusatsu';
- //$GenreLookupSCMPX[255] = 'Japanese Anime';
- }
-
- return ($allowSCMPXextended ? $GenreLookupSCMPX : $GenreLookup);
- }
-
- function LookupGenreName($genreid, $allowSCMPXextended=true) {
- switch ($genreid) {
- case 'RX':
- case 'CR':
- break;
- default:
- $genreid = intval($genreid); // to handle 3 or '3' or '03'
- break;
- }
- $GenreLookup = getid3_id3v1::ArrayOfGenres($allowSCMPXextended);
- return (isset($GenreLookup[$genreid]) ? $GenreLookup[$genreid] : false);
- }
-
- function LookupGenreID($genre, $allowSCMPXextended=false) {
- $GenreLookup = getid3_id3v1::ArrayOfGenres($allowSCMPXextended);
- $LowerCaseNoSpaceSearchTerm = strtolower(str_replace(' ', '', $genre));
- foreach ($GenreLookup as $key => $value) {
- foreach ($GenreLookup as $key => $value) {
- if (strtolower(str_replace(' ', '', $value)) == $LowerCaseNoSpaceSearchTerm) {
- return $key;
- }
- }
- return false;
- }
- return (isset($GenreLookup[$genreid]) ? $GenreLookup[$genreid] : false);
- }
-
- function StandardiseID3v1GenreName($OriginalGenre) {
- if (($GenreID = getid3_id3v1::LookupGenreID($OriginalGenre)) !== false) {
- return getid3_id3v1::LookupGenreName($GenreID);
- }
- return $OriginalGenre;
- }
-
- function GenerateID3v1Tag($title, $artist, $album, $year, $genreid, $comment, $track='') {
- $ID3v1Tag = 'TAG';
- $ID3v1Tag .= str_pad(trim(substr($title, 0, 30)), 30, "\x00", STR_PAD_RIGHT);
- $ID3v1Tag .= str_pad(trim(substr($artist, 0, 30)), 30, "\x00", STR_PAD_RIGHT);
- $ID3v1Tag .= str_pad(trim(substr($album, 0, 30)), 30, "\x00", STR_PAD_RIGHT);
- $ID3v1Tag .= str_pad(trim(substr($year, 0, 4)), 4, "\x00", STR_PAD_LEFT);
- if (!empty($track) && ($track > 0) && ($track <= 255)) {
- $ID3v1Tag .= str_pad(trim(substr($comment, 0, 28)), 28, "\x00", STR_PAD_RIGHT);
- $ID3v1Tag .= "\x00";
- if (gettype($track) == 'string') {
- $track = (int) $track;
- }
- $ID3v1Tag .= chr($track);
- } else {
- $ID3v1Tag .= str_pad(trim(substr($comment, 0, 30)), 30, "\x00", STR_PAD_RIGHT);
- }
- if (($genreid < 0) || ($genreid > 147)) {
- $genreid = 255; // 'unknown' genre
- }
- switch (gettype($genreid)) {
- case 'string':
- case 'integer':
- $ID3v1Tag .= chr(intval($genreid));
- break;
- default:
- $ID3v1Tag .= chr(255); // 'unknown' genre
- break;
- }
-
- return $ID3v1Tag;
- }
-
-}
-
-
-?> \ No newline at end of file