1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
<?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 //
/////////////////////////////////////////////////////////////////
// //
// write.apetag.php //
// module for writing APE tags //
// dependencies: module.tag.apetag.php //
// ///
/////////////////////////////////////////////////////////////////
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.apetag.php', __FILE__, true);
class getid3_write_apetag
{
var $filename;
var $tag_data;
var $always_preserve_replaygain = true; // ReplayGain / MP3gain tags will be copied from old tag even if not passed in data
var $warnings = array(); // any non-critical errors will be stored here
var $errors = array(); // any critical errors will be stored here
function getid3_write_apetag() {
return true;
}
function WriteAPEtag() {
// NOTE: All data passed to this function must be UTF-8 format
$getID3 = new getID3;
$ThisFileInfo = $getID3->analyze($this->filename);
if (isset($ThisFileInfo['ape']['tag_offset_start']) && isset($ThisFileInfo['lyrics3']['tag_offset_end'])) {
if ($ThisFileInfo['ape']['tag_offset_start'] >= $ThisFileInfo['lyrics3']['tag_offset_end']) {
// Current APE tag between Lyrics3 and ID3v1/EOF
// This break Lyrics3 functionality
if (!$this->DeleteAPEtag()) {
return false;
}
$ThisFileInfo = $getID3->analyze($this->filename);
}
}
if ($this->always_preserve_replaygain) {
$ReplayGainTagsToPreserve = array('mp3gain_minmax', 'mp3gain_album_minmax', 'mp3gain_undo', 'replaygain_track_peak', 'replaygain_track_gain', 'replaygain_album_peak', 'replaygain_album_gain');
foreach ($ReplayGainTagsToPreserve as $rg_key) {
if (isset($ThisFileInfo['ape']['items'][strtolower($rg_key)]['data'][0]) && !isset($this->tag_data[strtoupper($rg_key)][0])) {
$this->tag_data[strtoupper($rg_key)][0] = $ThisFileInfo['ape']['items'][strtolower($rg_key)]['data'][0];
}
}
}
if ($APEtag = $this->GenerateAPEtag()) {
if ($fp = @fopen($this->filename, 'a+b')) {
$oldignoreuserabort = ignore_user_abort(true);
flock($fp, LOCK_EX);
$PostAPEdataOffset = $ThisFileInfo['avdataend'];
if (isset($ThisFileInfo['ape']['tag_offset_end'])) {
$PostAPEdataOffset = max($PostAPEdataOffset, $ThisFileInfo['ape']['tag_offset_end']);
}
if (isset($ThisFileInfo['lyrics3']['tag_offset_start'])) {
$PostAPEdataOffset = max($PostAPEdataOffset, $ThisFileInfo['lyrics3']['tag_offset_start']);
}
fseek($fp, $PostAPEdataOffset, SEEK_SET);
$PostAPEdata = '';
if ($ThisFileInfo['filesize'] > $PostAPEdataOffset) {
$PostAPEdata = fread($fp, $ThisFileInfo['filesize'] - $PostAPEdataOffset);
}
fseek($fp, $PostAPEdataOffset, SEEK_SET);
if (isset($ThisFileInfo['ape']['tag_offset_start'])) {
fseek($fp, $ThisFileInfo['ape']['tag_offset_start'], SEEK_SET);
}
ftruncate($fp, ftell($fp));
fwrite($fp, $APEtag, strlen($APEtag));
if (!empty($PostAPEdata)) {
fwrite($fp, $PostAPEdata, strlen($PostAPEdata));
}
flock($fp, LOCK_UN);
fclose($fp);
ignore_user_abort($oldignoreuserabort);
return true;
}
return false;
}
return false;
}
function DeleteAPEtag() {
$getID3 = new getID3;
$ThisFileInfo = $getID3->analyze($this->filename);
if (isset($ThisFileInfo['ape']['tag_offset_start']) && isset($ThisFileInfo['ape']['tag_offset_end'])) {
if ($fp = @fopen($this->filename, 'a+b')) {
flock($fp, LOCK_EX);
$oldignoreuserabort = ignore_user_abort(true);
fseek($fp, $ThisFileInfo['ape']['tag_offset_end'], SEEK_SET);
$DataAfterAPE = '';
if ($ThisFileInfo['filesize'] > $ThisFileInfo['ape']['tag_offset_end']) {
$DataAfterAPE = fread($fp, $ThisFileInfo['filesize'] - $ThisFileInfo['ape']['tag_offset_end']);
}
ftruncate($fp, $ThisFileInfo['ape']['tag_offset_start']);
fseek($fp, $ThisFileInfo['ape']['tag_offset_start'], SEEK_SET);
if (!empty($DataAfterAPE)) {
fwrite($fp, $DataAfterAPE, strlen($DataAfterAPE));
}
flock($fp, LOCK_UN);
fclose($fp);
ignore_user_abort($oldignoreuserabort);
return true;
}
return false;
}
return true;
}
function GenerateAPEtag() {
// NOTE: All data passed to this function must be UTF-8 format
$items = array();
if (!is_array($this->tag_data)) {
return false;
}
foreach ($this->tag_data as $key => $arrayofvalues) {
if (!is_array($arrayofvalues)) {
return false;
}
$valuestring = '';
foreach ($arrayofvalues as $value) {
$valuestring .= str_replace("\x00", '', $value)."\x00";
}
$valuestring = rtrim($valuestring, "\x00");
// Length of the assigned value in bytes
$tagitem = getid3_lib::LittleEndian2String(strlen($valuestring), 4);
//$tagitem .= $this->GenerateAPEtagFlags(true, true, false, 0, false);
$tagitem .= "\x00\x00\x00\x00";
$tagitem .= $this->CleanAPEtagItemKey($key)."\x00";
$tagitem .= $valuestring;
$items[] = $tagitem;
}
return $this->GenerateAPEtagHeaderFooter($items, true).implode('', $items).$this->GenerateAPEtagHeaderFooter($items, false);
}
function GenerateAPEtagHeaderFooter(&$items, $isheader=false) {
$tagdatalength = 0;
foreach ($items as $itemdata) {
$tagdatalength += strlen($itemdata);
}
$APEheader = 'APETAGEX';
$APEheader .= getid3_lib::LittleEndian2String(2000, 4);
$APEheader .= getid3_lib::LittleEndian2String(32 + $tagdatalength, 4);
$APEheader .= getid3_lib::LittleEndian2String(count($items), 4);
$APEheader .= $this->GenerateAPEtagFlags(true, true, $isheader, 0, false);
$APEheader .= str_repeat("\x00", 8);
return $APEheader;
}
function GenerateAPEtagFlags($header=true, $footer=true, $isheader=false, $encodingid=0, $readonly=false) {
$APEtagFlags = array_fill(0, 4, 0);
if ($header) {
$APEtagFlags[0] |= 0x80; // Tag contains a header
}
if (!$footer) {
$APEtagFlags[0] |= 0x40; // Tag contains no footer
}
if ($isheader) {
$APEtagFlags[0] |= 0x20; // This is the header, not the footer
}
// 0: Item contains text information coded in UTF-8
// 1: Item contains binary information °)
// 2: Item is a locator of external stored information °°)
// 3: reserved
$APEtagFlags[3] |= ($encodingid << 1);
if ($readonly) {
$APEtagFlags[3] |= 0x01; // Tag or Item is Read Only
}
return chr($APEtagFlags[3]).chr($APEtagFlags[2]).chr($APEtagFlags[1]).chr($APEtagFlags[0]);
}
function CleanAPEtagItemKey($itemkey) {
$itemkey = eregi_replace("[^\x20-\x7E]", '', $itemkey);
// http://www.personal.uni-jena.de/~pfk/mpp/sv8/apekey.html
switch (strtoupper($itemkey)) {
case 'EAN/UPC':
case 'ISBN':
case 'LC':
case 'ISRC':
$itemkey = strtoupper($itemkey);
break;
default:
$itemkey = ucwords($itemkey);
break;
}
return $itemkey;
}
}
?>
|
