ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
write.id3v1.php
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1<?php
4// available at http://getid3.sourceforge.net //
5// or http://www.getid3.org //
7// See readme.txt for more details //
9// //
10// write.id3v1.php //
11// module for writing ID3v1 tags //
12// dependencies: module.tag.id3v1.php //
13// ///
15
16getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v1.php', __FILE__, true);
17
19{
22 var $warnings = array(); // any non-critical errors will be stored here
23 var $errors = array(); // any critical errors will be stored here
24
25 function getid3_write_id3v1() {
26 return true;
27 }
28
29 function WriteID3v1() {
30 // File MUST be writeable - CHMOD(646) at least
31 if (is_writeable($this->filename)) {
32 if ($fp_source = @fopen($this->filename, 'r+b')) {
33
34 fseek($fp_source, -128, SEEK_END);
35 if (fread($fp_source, 3) == 'TAG') {
36 fseek($fp_source, -128, SEEK_END); // overwrite existing ID3v1 tag
37 } else {
38 fseek($fp_source, 0, SEEK_END); // append new ID3v1 tag
39 }
40
41 $new_id3v1_tag_data = getid3_id3v1::GenerateID3v1Tag(
42 @$this->tag_data['title'],
43 @$this->tag_data['artist'],
44 @$this->tag_data['album'],
45 @$this->tag_data['year'],
46 @$this->tag_data['genreid'],
47 @$this->tag_data['comment'],
48 @$this->tag_data['track']);
49 fwrite($fp_source, $new_id3v1_tag_data, 128);
50 fclose($fp_source);
51 return true;
52
53 } else {
54 $this->errors[] = 'Could not open '.$this->filename.' mode "r+b"';
55 return false;
56 }
57 }
58 $this->errors[] = 'File is not writeable: '.$this->filename;
59 return false;
60 }
61
62 function FixID3v1Padding() {
63 // ID3v1 data is supposed to be padded with NULL characters, but some taggers incorrectly use spaces
64 // This function rewrites the ID3v1 tag with correct padding
65
66 // Initialize getID3 engine
67 $getID3 = new getID3;
68 $ThisFileInfo = $getID3->analyze($this->filename);
69 if (isset($ThisFileInfo['tags']['id3v1'])) {
70 foreach ($ThisFileInfo['tags']['id3v1'] as $key => $value) {
71 $id3v1data[$key] = implode(',', $value);
72 }
73 $this->tag_data = $id3v1data;
74 return $this->WriteID3v1();
75 }
76 return false;
77 }
78
79 function RemoveID3v1() {
80 // File MUST be writeable - CHMOD(646) at least
81 if (is_writeable($this->filename)) {
82 if ($fp_source = @fopen($this->filename, 'r+b')) {
83
84 fseek($fp_source, -128, SEEK_END);
85 if (fread($fp_source, 3) == 'TAG') {
86 ftruncate($fp_source, filesize($this->filename) - 128);
87 } else {
88 // no ID3v1 tag to begin with - do nothing
89 }
90 fclose($fp_source);
91 return true;
92
93 } else {
94 $this->errors[] = 'Could not open '.$this->filename.' mode "r+b"';
95 }
96 } else {
97 $this->errors[] = $this->filename.' is not writeable';
98 }
99 return false;
100 }
101
102}
103
104?>
analyze($filename)
Definition: getid3.php:168
GenerateID3v1Tag($title, $artist, $album, $year, $genreid, $comment, $track='')
IncludeDependency($filename, $sourcefile, $DieOnFailure=false)