<?php
/**
* This code is part of the FileManager software (www.gerd-tentler.de/tools/filemanager), copyright by
* Gerd Tentler. Obtain permission before selling this code or hosting it on a commercial website or
* redistributing it over the Internet or in any other medium. In all cases copyright must remain intact.
*/
include_once('FM_File.php');
/**
* This class handles file operations on a single file.
*
* @package FileManager
* @subpackage class
* @author Gerd Tentler
*/
class FM_FileMp3 extends FM_File {
/* PRIVATE PROPERTIES ************************************************************************** */
/**
* list of ID3 tags
*
* @var array
*/
var $_id3Tags = array(
'TALB' => 'album',
'TCON' => 'genre',
'TENC' => 'encoder',
'TIT2' => 'title',
'TPE1' => 'artist',
'TPE2' => 'ensemble',
'TYER' => 'year',
'TCOM' => 'composer',
'TCOP' => 'copyright',
'TRCK' => 'track',
'WOAR' => 'url',
'COMM' => 'comment',
'APIC' => 'picture'
);
/**
* list of ID3 genres
*
* @var array
*/
var $_id3Genres = 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 => 'Alternative 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',
60 => 'Top 40',
61 => 'Christian Rap',
62 => 'Pop/Funk',
63 => 'Jungle',
64 => 'Native US',
65 => 'Cabaret',
66 => 'New Wave',
67 => 'Psychadelic',
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 => 'Rhytmic Soul',
119 => 'Freestyle',
120 => 'Duet',
121 => 'Punk Rock',
122 => 'Drum Solo',
123 => 'Acapella',
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'
);
/* PUBLIC METHODS ****************************************************************************** */
/**
* read ID3 tags from MP3 file
*
* @return array
*/
function readId3Tags() {
$v1 = $this->_readId3v1Tags();
$v2 = $this->_readId3v2Tags();
$id3 = array();
if(!$v1 && !$v2) return $id3;
if(!$v1) return $v2;
if(!$v2) return $v1;
foreach($v2 as $key => $value) {
$value = trim($value);
if(isset($v1[$key]) && strlen(trim($v1[$key])) > strlen($value)) {
$value = $v1[$key];
}
else if($key == 'genre') {
if(preg_match('/^\(?(\d+)\)?$/', $value, $m) && $this->_id3Genres[$m[1]]) {
$value = $this->_id3Genres[$m[1]];
}
else $value = preg_replace('/^\(\d+\)/', '', $value);
}
$id3[$key] = $value;
}
foreach($v1 as $key => $value) {
if(!isset($id3[$key])) $id3[$key] = $value;
}
ksort($id3);
return $id3;
}
/* PRIVATE METHODS ***************************************************************************** */
/**
* read ID3 v2 tags from local MP3 file
*
* @return array
*/
function _readId3v2Tags() {
if($fp = @fopen($this->_file, 'r')) {
$header = @unpack('a3signature/c1version_major/c1version_minor/c1flags/Nsize', @fread($fp, 10));
if($header['signature'] != 'ID3') {
@fclose($fp);
return false;
}
$id3 = array();
for($i = 0; $i < 22; $i++) {
$tag = rtrim(@fread($fp, 6));
$size = @unpack('n', @fread($fp, 2));
$size = $size[1] + 2;
$value = @fread($fp, $size);
if($tag && $this->_id3Tags[$tag]) {
if($tag == 'COMM') $value = substr($value, 4);
if($tag == 'APIC') {
if(preg_match('/image\/([a-z]+)\0.*?\0.*?\0(.+)/s', $value, $m)) {
$Listing = $this->_FileManager->getListing();
$name = FM_Tools::basename($this->_file, $this->_FileManager->encoding);
$name = md5($Listing->curDir . '/' . $name) . '.' . strtolower($m[1]);
$path = $this->_FileManager->getCacheDir() . '/' . $name;
if(!is_file($path)) {
$value = FM_Tools::saveLocalFile($path, $m[2]) ? $name : '';
}
else $value = $name;
if($value != '') {
$size = @getimagesize($path);
$value .= ':' . $size[0] . ':' . $size[1];
}
}
else $value = '';
}
else if(function_exists('iconv')) {
switch(ord($value[2])) {
case 0: $value = iconv('ISO-8859-1', $this->_FileManager->encoding, substr($value, 3)); break;
case 1: $value = iconv('UTF-16LE', $this->_FileManager->encoding, substr($value, 5)); break;
case 2: $value = iconv('UTF-16BE', $this->_FileManager->encoding, substr($value, 5)); break;
case 3: $value = iconv('UTF-8', $this->_FileManager->encoding, substr($value, 3)); break;
}
}
else if(function_exists('mb_convert_encoding')) {
switch(ord($value[2])) {
case 0: $value = mb_convert_encoding(substr($value, 3), $this->_FileManager->encoding, 'ISO-8859-1'); break;
case 1: $value = mb_convert_encoding(substr($value, 5), $this->_FileManager->encoding, 'UTF-16LE'); break;
case 2: $value = mb_convert_encoding(substr($value, 5), $this->_FileManager->encoding, 'UTF-16BE'); break;
case 3: $value = mb_convert_encoding(substr($value, 3), $this->_FileManager->encoding, 'UTF-8'); break;
}
}
if($value != '') $id3[$this->_id3Tags[$tag]] = preg_replace('/[\x00-\x1A]+/', '', $value);
}
}
@fclose($fp);
return $id3;
}
return false;
}
/**
* read ID3 v1 tags from local MP3 file
*
* @return array
*/
function _readId3v1Tags() {
if($fp = @fopen($this->_file, 'r')) {
@fseek($fp, -128, SEEK_END);
$id3 = @fread($fp, 128);
@fclose($fp);
$id3 = @unpack('a3signature/a30title/a30artist/a30album/a4year/a28comment/C1zerobyte/C1track/c1genre', $id3);
if($id3['signature'] != 'TAG') {
return false;
}
unset($id3['signature']);
unset($id3['zerobyte']);
$n = $id3['track'];
if(!($n > 0 && $n < 30) && (ord($n) > 0 && ord($n) < 30)) {
$id3['track'] = ord($id3['track']);
}
$id3['comment'] = rtrim($id3['comment']);
$id3['genre'] = $this->_id3Genres[$id3['genre']];
return $id3;
}
return false;
}
}
?>