4fa6a6c37606cb90d926bde69072ab6cd77c3a57
2 /////////////////////////////////////////////////////////////////
3 /// getID3() by James Heinrich <info@getid3.org> //
4 // available at http://getid3.sourceforge.net //
5 // or http://www.getid3.org //
6 // also https://github.com/JamesHeinrich/getID3 //
7 /////////////////////////////////////////////////////////////////
8 // See readme.txt for more details //
9 /////////////////////////////////////////////////////////////////
12 // module for writing ID3v1 tags //
13 // dependencies: module.tag.id3v1.php //
15 /////////////////////////////////////////////////////////////////
17 getid3_lib
::IncludeDependency(GETID3_INCLUDEPATH
.'module.tag.id3v1.php', __FILE__
, true);
19 class getid3_write_id3v1
24 public $warnings = array(); // any non-critical errors will be stored here
25 public $errors = array(); // any critical errors will be stored here
27 public function __construct() {
31 public function WriteID3v1() {
32 // File MUST be writeable - CHMOD(646) at least
33 if (!empty($this->filename
) && is_readable($this->filename
) && is_writable($this->filename
) && is_file($this->filename
)) {
34 $this->setRealFileSize();
35 if (($this->filesize
<= 0) ||
!getid3_lib
::intValueSupported($this->filesize
)) {
36 $this->errors
[] = 'Unable to WriteID3v1('.$this->filename
.') because filesize ('.$this->filesize
.') is larger than '.round(PHP_INT_MAX
/ 1073741824).'GB';
39 if ($fp_source = fopen($this->filename
, 'r+b')) {
40 fseek($fp_source, -128, SEEK_END
);
41 if (fread($fp_source, 3) == 'TAG') {
42 fseek($fp_source, -128, SEEK_END
); // overwrite existing ID3v1 tag
44 fseek($fp_source, 0, SEEK_END
); // append new ID3v1 tag
46 $this->tag_data
['track'] = (isset($this->tag_data
['track']) ?
$this->tag_data
['track'] : (isset($this->tag_data
['track_number']) ?
$this->tag_data
['track_number'] : (isset($this->tag_data
['tracknumber']) ?
$this->tag_data
['tracknumber'] : '')));
48 $new_id3v1_tag_data = getid3_id3v1
::GenerateID3v1Tag(
49 (isset($this->tag_data
['title'] ) ?
$this->tag_data
['title'] : ''),
50 (isset($this->tag_data
['artist'] ) ?
$this->tag_data
['artist'] : ''),
51 (isset($this->tag_data
['album'] ) ?
$this->tag_data
['album'] : ''),
52 (isset($this->tag_data
['year'] ) ?
$this->tag_data
['year'] : ''),
53 (isset($this->tag_data
['genreid']) ?
$this->tag_data
['genreid'] : ''),
54 (isset($this->tag_data
['comment']) ?
$this->tag_data
['comment'] : ''),
55 (isset($this->tag_data
['track'] ) ?
$this->tag_data
['track'] : ''));
56 fwrite($fp_source, $new_id3v1_tag_data, 128);
61 $this->errors
[] = 'Could not fopen('.$this->filename
.', "r+b")';
65 $this->errors
[] = 'File is not writeable: '.$this->filename
;
69 public function FixID3v1Padding() {
70 // ID3v1 data is supposed to be padded with NULL characters, but some taggers incorrectly use spaces
71 // This function rewrites the ID3v1 tag with correct padding
73 // Initialize getID3 engine
75 $getID3->option_tag_id3v2
= false;
76 $getID3->option_tag_apetag
= false;
77 $getID3->option_tags_html
= false;
78 $getID3->option_extra_info
= false;
79 $getID3->option_tag_id3v1
= true;
80 $ThisFileInfo = $getID3->analyze($this->filename
);
81 if (isset($ThisFileInfo['tags']['id3v1'])) {
82 foreach ($ThisFileInfo['tags']['id3v1'] as $key => $value) {
83 $id3v1data[$key] = implode(',', $value);
85 $this->tag_data
= $id3v1data;
86 return $this->WriteID3v1();
91 public function RemoveID3v1() {
92 // File MUST be writeable - CHMOD(646) at least
93 if (!empty($this->filename
) && is_readable($this->filename
) && is_writable($this->filename
) && is_file($this->filename
)) {
94 $this->setRealFileSize();
95 if (($this->filesize
<= 0) ||
!getid3_lib
::intValueSupported($this->filesize
)) {
96 $this->errors
[] = 'Unable to RemoveID3v1('.$this->filename
.') because filesize ('.$this->filesize
.') is larger than '.round(PHP_INT_MAX
/ 1073741824).'GB';
99 if ($fp_source = fopen($this->filename
, 'r+b')) {
101 fseek($fp_source, -128, SEEK_END
);
102 if (fread($fp_source, 3) == 'TAG') {
103 ftruncate($fp_source, $this->filesize
- 128);
105 // no ID3v1 tag to begin with - do nothing
111 $this->errors
[] = 'Could not fopen('.$this->filename
.', "r+b")';
114 $this->errors
[] = $this->filename
.' is not writeable';
119 public function setRealFileSize() {
120 if (PHP_INT_MAX
> 2147483647) {
121 $this->filesize
= filesize($this->filename
);
124 // 32-bit PHP will not return correct values for filesize() if file is >=2GB
125 // but getID3->analyze() has workarounds to get actual filesize
126 $getID3 = new getID3
;
127 $getID3->option_tag_id3v1
= false;
128 $getID3->option_tag_id3v2
= false;
129 $getID3->option_tag_apetag
= false;
130 $getID3->option_tags_html
= false;
131 $getID3->option_extra_info
= false;
132 $ThisFileInfo = $getID3->analyze($this->filename
);
133 $this->filesize
= $ThisFileInfo['filesize'];