362 lines
No EOL
11 KiB
PHP
362 lines
No EOL
11 KiB
PHP
<?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 extends getid3_handler
|
|
{
|
|
|
|
function Analyze() {
|
|
$info = &$this->getid3->info;
|
|
|
|
if (!getid3_lib::intValueSupported($info['filesize'])) {
|
|
$info['warning'][] = 'Unable to check for ID3v1 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB';
|
|
return false;
|
|
}
|
|
|
|
fseek($this->getid3->fp, -256, SEEK_END);
|
|
$preid3v1 = fread($this->getid3->fp, 128);
|
|
$id3v1tag = fread($this->getid3->fp, 128);
|
|
|
|
if (substr($id3v1tag, 0, 3) == 'TAG') {
|
|
|
|
$info['avdataend'] = $info['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 (isset($ParsedID3v1['genre']) && (empty($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),
|
|
$ParsedID3v1['comment'],
|
|
(!empty($ParsedID3v1['track']) ? $ParsedID3v1['track'] : ''));
|
|
$ParsedID3v1['padding_valid'] = true;
|
|
if ($id3v1tag !== $GoodFormatID3v1tag) {
|
|
$ParsedID3v1['padding_valid'] = false;
|
|
$info['warning'][] = 'Some ID3v1 fields do not use NULL characters for padding';
|
|
}
|
|
|
|
$ParsedID3v1['tag_offset_end'] = $info['filesize'];
|
|
$ParsedID3v1['tag_offset_start'] = $ParsedID3v1['tag_offset_end'] - 128;
|
|
|
|
$info['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
|
|
$info['warning'][] = 'Duplicate ID3v1 tag detected - this has been known to happen with iTunes';
|
|
$info['avdataend'] -= 128;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static function cutfield($str) {
|
|
return trim(substr($str, 0, strcspn($str, "\x00")));
|
|
}
|
|
|
|
static 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 => 'Thrash 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 : $GenreLookup);
|
|
}
|
|
|
|
static function LookupGenreName($genreid, $allowSCMPXextended=true) {
|
|
switch ($genreid) {
|
|
case 'RX':
|
|
case 'CR':
|
|
break;
|
|
default:
|
|
if (!is_numeric($genreid)) {
|
|
return false;
|
|
}
|
|
$genreid = intval($genreid); // to handle 3 or '3' or '03'
|
|
break;
|
|
}
|
|
$GenreLookup = getid3_id3v1::ArrayOfGenres($allowSCMPXextended);
|
|
return (isset($GenreLookup[$genreid]) ? $GenreLookup[$genreid] : false);
|
|
}
|
|
|
|
static function LookupGenreID($genre, $allowSCMPXextended=false) {
|
|
$GenreLookup = getid3_id3v1::ArrayOfGenres($allowSCMPXextended);
|
|
$LowerCaseNoSpaceSearchTerm = strtolower(str_replace(' ', '', $genre));
|
|
foreach ($GenreLookup as $key => $value) {
|
|
if (strtolower(str_replace(' ', '', $value)) == $LowerCaseNoSpaceSearchTerm) {
|
|
return $key;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static function StandardiseID3v1GenreName($OriginalGenre) {
|
|
if (($GenreID = getid3_id3v1::LookupGenreID($OriginalGenre)) !== false) {
|
|
return getid3_id3v1::LookupGenreName($GenreID);
|
|
}
|
|
return $OriginalGenre;
|
|
}
|
|
|
|
static function GenerateID3v1Tag($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;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
?>
|