ILIAS  release_5-0 Revision 5.0.0-1144-gc4397b1f870
getid3_id3v1 Class Reference

getID3() by James Heinrich info@.nosp@m.geti.nosp@m.d3.or.nosp@m.g // More...

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Public Member Functions

 getid3_id3v1 (&$fd, &$ThisFileInfo)
 
 cutfield ($str)
 
 ArrayOfGenres ($allowSCMPXextended=false)
 
 LookupGenreName ($genreid, $allowSCMPXextended=true)
 
 LookupGenreID ($genre, $allowSCMPXextended=false)
 
 StandardiseID3v1GenreName ($OriginalGenre)
 
 GenerateID3v1Tag ($title, $artist, $album, $year, $genreid, $comment, $track='')
 

Detailed Description

getID3() by James Heinrich info@.nosp@m.geti.nosp@m.d3.or.nosp@m.g //

Definition at line 17 of file module.tag.id3v1.php.

Member Function Documentation

◆ ArrayOfGenres()

getid3_id3v1::ArrayOfGenres (   $allowSCMPXextended = false)

Definition at line 103 of file module.tag.id3v1.php.

103 {
104 static $GenreLookup = array(
105 0 => 'Blues',
106 1 => 'Classic Rock',
107 2 => 'Country',
108 3 => 'Dance',
109 4 => 'Disco',
110 5 => 'Funk',
111 6 => 'Grunge',
112 7 => 'Hip-Hop',
113 8 => 'Jazz',
114 9 => 'Metal',
115 10 => 'New Age',
116 11 => 'Oldies',
117 12 => 'Other',
118 13 => 'Pop',
119 14 => 'R&B',
120 15 => 'Rap',
121 16 => 'Reggae',
122 17 => 'Rock',
123 18 => 'Techno',
124 19 => 'Industrial',
125 20 => 'Alternative',
126 21 => 'Ska',
127 22 => 'Death Metal',
128 23 => 'Pranks',
129 24 => 'Soundtrack',
130 25 => 'Euro-Techno',
131 26 => 'Ambient',
132 27 => 'Trip-Hop',
133 28 => 'Vocal',
134 29 => 'Jazz+Funk',
135 30 => 'Fusion',
136 31 => 'Trance',
137 32 => 'Classical',
138 33 => 'Instrumental',
139 34 => 'Acid',
140 35 => 'House',
141 36 => 'Game',
142 37 => 'Sound Clip',
143 38 => 'Gospel',
144 39 => 'Noise',
145 40 => 'Alt. Rock',
146 41 => 'Bass',
147 42 => 'Soul',
148 43 => 'Punk',
149 44 => 'Space',
150 45 => 'Meditative',
151 46 => 'Instrumental Pop',
152 47 => 'Instrumental Rock',
153 48 => 'Ethnic',
154 49 => 'Gothic',
155 50 => 'Darkwave',
156 51 => 'Techno-Industrial',
157 52 => 'Electronic',
158 53 => 'Pop-Folk',
159 54 => 'Eurodance',
160 55 => 'Dream',
161 56 => 'Southern Rock',
162 57 => 'Comedy',
163 58 => 'Cult',
164 59 => 'Gangsta Rap',
165 60 => 'Top 40',
166 61 => 'Christian Rap',
167 62 => 'Pop/Funk',
168 63 => 'Jungle',
169 64 => 'Native American',
170 65 => 'Cabaret',
171 66 => 'New Wave',
172 67 => 'Psychedelic',
173 68 => 'Rave',
174 69 => 'Showtunes',
175 70 => 'Trailer',
176 71 => 'Lo-Fi',
177 72 => 'Tribal',
178 73 => 'Acid Punk',
179 74 => 'Acid Jazz',
180 75 => 'Polka',
181 76 => 'Retro',
182 77 => 'Musical',
183 78 => 'Rock & Roll',
184 79 => 'Hard Rock',
185 80 => 'Folk',
186 81 => 'Folk/Rock',
187 82 => 'National Folk',
188 83 => 'Swing',
189 84 => 'Fast-Fusion',
190 85 => 'Bebob',
191 86 => 'Latin',
192 87 => 'Revival',
193 88 => 'Celtic',
194 89 => 'Bluegrass',
195 90 => 'Avantgarde',
196 91 => 'Gothic Rock',
197 92 => 'Progressive Rock',
198 93 => 'Psychedelic Rock',
199 94 => 'Symphonic Rock',
200 95 => 'Slow Rock',
201 96 => 'Big Band',
202 97 => 'Chorus',
203 98 => 'Easy Listening',
204 99 => 'Acoustic',
205 100 => 'Humour',
206 101 => 'Speech',
207 102 => 'Chanson',
208 103 => 'Opera',
209 104 => 'Chamber Music',
210 105 => 'Sonata',
211 106 => 'Symphony',
212 107 => 'Booty Bass',
213 108 => 'Primus',
214 109 => 'Porn Groove',
215 110 => 'Satire',
216 111 => 'Slow Jam',
217 112 => 'Club',
218 113 => 'Tango',
219 114 => 'Samba',
220 115 => 'Folklore',
221 116 => 'Ballad',
222 117 => 'Power Ballad',
223 118 => 'Rhythmic Soul',
224 119 => 'Freestyle',
225 120 => 'Duet',
226 121 => 'Punk Rock',
227 122 => 'Drum Solo',
228 123 => 'A Cappella',
229 124 => 'Euro-House',
230 125 => 'Dance Hall',
231 126 => 'Goa',
232 127 => 'Drum & Bass',
233 128 => 'Club-House',
234 129 => 'Hardcore',
235 130 => 'Terror',
236 131 => 'Indie',
237 132 => 'BritPop',
238 133 => 'Negerpunk',
239 134 => 'Polsk Punk',
240 135 => 'Beat',
241 136 => 'Christian Gangsta Rap',
242 137 => 'Heavy Metal',
243 138 => 'Black Metal',
244 139 => 'Crossover',
245 140 => 'Contemporary Christian',
246 141 => 'Christian Rock',
247 142 => 'Merengue',
248 143 => 'Salsa',
249 144 => 'Trash Metal',
250 145 => 'Anime',
251 146 => 'JPop',
252 147 => 'Synthpop',
253
254 255 => 'Unknown',
255
256 'CR' => 'Cover',
257 'RX' => 'Remix'
258 );
259
260 static $GenreLookupSCMPX = array();
261 if ($allowSCMPXextended && empty($GenreLookupSCMPX)) {
262 $GenreLookupSCMPX = $GenreLookup;
263 // http://www.geocities.co.jp/SiliconValley-Oakland/3664/alittle.html#GenreExtended
264 // Extended ID3v1 genres invented by SCMPX
265 // Note that 255 "Japanese Anime" conflicts with standard "Unknown"
266 $GenreLookupSCMPX[240] = 'Sacred';
267 $GenreLookupSCMPX[241] = 'Northern Europe';
268 $GenreLookupSCMPX[242] = 'Irish & Scottish';
269 $GenreLookupSCMPX[243] = 'Scotland';
270 $GenreLookupSCMPX[244] = 'Ethnic Europe';
271 $GenreLookupSCMPX[245] = 'Enka';
272 $GenreLookupSCMPX[246] = 'Children\'s Song';
273 $GenreLookupSCMPX[247] = 'Japanese Sky';
274 $GenreLookupSCMPX[248] = 'Japanese Heavy Rock';
275 $GenreLookupSCMPX[249] = 'Japanese Doom Rock';
276 $GenreLookupSCMPX[250] = 'Japanese J-POP';
277 $GenreLookupSCMPX[251] = 'Japanese Seiyu';
278 $GenreLookupSCMPX[252] = 'Japanese Ambient Techno';
279 $GenreLookupSCMPX[253] = 'Japanese Moemoe';
280 $GenreLookupSCMPX[254] = 'Japanese Tokusatsu';
281 //$GenreLookupSCMPX[255] = 'Japanese Anime';
282 }
283
284 return ($allowSCMPXextended ? $GenreLookupSCMPX : $GenreLookup);
285 }

Referenced by LookupGenreID(), and LookupGenreName().

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◆ cutfield()

getid3_id3v1::cutfield (   $str)

Definition at line 99 of file module.tag.id3v1.php.

99 {
100 return trim(substr($str, 0, strcspn($str, "\x00")));
101 }

Referenced by getid3_id3v1().

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◆ GenerateID3v1Tag()

getid3_id3v1::GenerateID3v1Tag (   $title,
  $artist,
  $album,
  $year,
  $genreid,
  $comment,
  $track = '' 
)

Definition at line 321 of file module.tag.id3v1.php.

321 {
322 $ID3v1Tag = 'TAG';
323 $ID3v1Tag .= str_pad(trim(substr($title, 0, 30)), 30, "\x00", STR_PAD_RIGHT);
324 $ID3v1Tag .= str_pad(trim(substr($artist, 0, 30)), 30, "\x00", STR_PAD_RIGHT);
325 $ID3v1Tag .= str_pad(trim(substr($album, 0, 30)), 30, "\x00", STR_PAD_RIGHT);
326 $ID3v1Tag .= str_pad(trim(substr($year, 0, 4)), 4, "\x00", STR_PAD_LEFT);
327 if (!empty($track) && ($track > 0) && ($track <= 255)) {
328 $ID3v1Tag .= str_pad(trim(substr($comment, 0, 28)), 28, "\x00", STR_PAD_RIGHT);
329 $ID3v1Tag .= "\x00";
330 if (gettype($track) == 'string') {
331 $track = (int) $track;
332 }
333 $ID3v1Tag .= chr($track);
334 } else {
335 $ID3v1Tag .= str_pad(trim(substr($comment, 0, 30)), 30, "\x00", STR_PAD_RIGHT);
336 }
337 if (($genreid < 0) || ($genreid > 147)) {
338 $genreid = 255; // 'unknown' genre
339 }
340 switch (gettype($genreid)) {
341 case 'string':
342 case 'integer':
343 $ID3v1Tag .= chr(intval($genreid));
344 break;
345 default:
346 $ID3v1Tag .= chr(255); // 'unknown' genre
347 break;
348 }
349
350 return $ID3v1Tag;
351 }
$comment
Definition: buildRTE.php:83

References $comment.

Referenced by getid3_id3v1(), and getid3_write_id3v1\WriteID3v1().

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◆ getid3_id3v1()

getid3_id3v1::getid3_id3v1 ( $fd,
$ThisFileInfo 
)

Definition at line 20 of file module.tag.id3v1.php.

20 {
21
22 fseek($fd, -256, SEEK_END);
23 $preid3v1 = fread($fd, 128);
24 $id3v1tag = fread($fd, 128);
25
26 if (substr($id3v1tag, 0, 3) == 'TAG') {
27
28 $ThisFileInfo['avdataend'] = $ThisFileInfo['filesize'] - 128;
29
30 $ParsedID3v1['title'] = $this->cutfield(substr($id3v1tag, 3, 30));
31 $ParsedID3v1['artist'] = $this->cutfield(substr($id3v1tag, 33, 30));
32 $ParsedID3v1['album'] = $this->cutfield(substr($id3v1tag, 63, 30));
33 $ParsedID3v1['year'] = $this->cutfield(substr($id3v1tag, 93, 4));
34 $ParsedID3v1['comment'] = substr($id3v1tag, 97, 30); // can't remove nulls yet, track detection depends on them
35 $ParsedID3v1['genreid'] = ord(substr($id3v1tag, 127, 1));
36
37 // If second-last byte of comment field is null and last byte of comment field is non-null
38 // then this is ID3v1.1 and the comment field is 28 bytes long and the 30th byte is the track number
39 if (($id3v1tag{125} === "\x00") && ($id3v1tag{126} !== "\x00")) {
40 $ParsedID3v1['track'] = ord(substr($ParsedID3v1['comment'], 29, 1));
41 $ParsedID3v1['comment'] = substr($ParsedID3v1['comment'], 0, 28);
42 }
43 $ParsedID3v1['comment'] = $this->cutfield($ParsedID3v1['comment']);
44
45 $ParsedID3v1['genre'] = $this->LookupGenreName($ParsedID3v1['genreid']);
46 if (!empty($ParsedID3v1['genre'])) {
47 unset($ParsedID3v1['genreid']);
48 }
49 if (empty($ParsedID3v1['genre']) || (@$ParsedID3v1['genre'] == 'Unknown')) {
50 unset($ParsedID3v1['genre']);
51 }
52
53 foreach ($ParsedID3v1 as $key => $value) {
54 $ParsedID3v1['comments'][$key][0] = $value;
55 }
56
57 // ID3v1 data is supposed to be padded with NULL characters, but some taggers pad with spaces
58 $GoodFormatID3v1tag = $this->GenerateID3v1Tag(
59 $ParsedID3v1['title'],
60 $ParsedID3v1['artist'],
61 $ParsedID3v1['album'],
62 $ParsedID3v1['year'],
63 $this->LookupGenreID(@$ParsedID3v1['genre']),
64 $ParsedID3v1['comment'],
65 @$ParsedID3v1['track']);
66 $ParsedID3v1['padding_valid'] = true;
67 if ($id3v1tag !== $GoodFormatID3v1tag) {
68 $ParsedID3v1['padding_valid'] = false;
69 $ThisFileInfo['warning'][] = 'Some ID3v1 fields do not use NULL characters for padding';
70 }
71
72 $ParsedID3v1['tag_offset_end'] = $ThisFileInfo['filesize'];
73 $ParsedID3v1['tag_offset_start'] = $ParsedID3v1['tag_offset_end'] - 128;
74
75 $ThisFileInfo['id3v1'] = $ParsedID3v1;
76 }
77
78 if (substr($preid3v1, 0, 3) == 'TAG') {
79 // The way iTunes handles tags is, well, brain-damaged.
80 // It completely ignores v1 if ID3v2 is present.
81 // This goes as far as adding a new v1 tag *even if there already is one*
82
83 // A suspected double-ID3v1 tag has been detected, but it could be that
84 // the "TAG" identifier is a legitimate part of an APE or Lyrics3 tag
85 if (substr($preid3v1, 96, 8) == 'APETAGEX') {
86 // an APE tag footer was found before the last ID3v1, assume false "TAG" synch
87 } elseif (substr($preid3v1, 119, 6) == 'LYRICS') {
88 // a Lyrics3 tag footer was found before the last ID3v1, assume false "TAG" synch
89 } else {
90 // APE and Lyrics3 footers not found - assume double ID3v1
91 $ThisFileInfo['warning'][] = 'Duplicate ID3v1 tag detected - this has been known to happen with iTunes';
92 $ThisFileInfo['avdataend'] -= 128;
93 }
94 }
95
96 return true;
97 }
GenerateID3v1Tag($title, $artist, $album, $year, $genreid, $comment, $track='')
LookupGenreID($genre, $allowSCMPXextended=false)
LookupGenreName($genreid, $allowSCMPXextended=true)

References cutfield(), GenerateID3v1Tag(), LookupGenreID(), and LookupGenreName().

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◆ LookupGenreID()

getid3_id3v1::LookupGenreID (   $genre,
  $allowSCMPXextended = false 
)

Definition at line 300 of file module.tag.id3v1.php.

300 {
301 $GenreLookup = getid3_id3v1::ArrayOfGenres($allowSCMPXextended);
302 $LowerCaseNoSpaceSearchTerm = strtolower(str_replace(' ', '', $genre));
303 foreach ($GenreLookup as $key => $value) {
304 foreach ($GenreLookup as $key => $value) {
305 if (strtolower(str_replace(' ', '', $value)) == $LowerCaseNoSpaceSearchTerm) {
306 return $key;
307 }
308 }
309 return false;
310 }
311 return (isset($GenreLookup[$genreid]) ? $GenreLookup[$genreid] : false);
312 }
ArrayOfGenres($allowSCMPXextended=false)

References ArrayOfGenres().

Referenced by getid3_writetags\FormatDataForID3v1(), getid3_id3v1(), getid3_id3v2\ParseID3v2GenreString(), and StandardiseID3v1GenreName().

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◆ LookupGenreName()

getid3_id3v1::LookupGenreName (   $genreid,
  $allowSCMPXextended = true 
)

Definition at line 287 of file module.tag.id3v1.php.

287 {
288 switch ($genreid) {
289 case 'RX':
290 case 'CR':
291 break;
292 default:
293 $genreid = intval($genreid); // to handle 3 or '3' or '03'
294 break;
295 }
296 $GenreLookup = getid3_id3v1::ArrayOfGenres($allowSCMPXextended);
297 return (isset($GenreLookup[$genreid]) ? $GenreLookup[$genreid] : false);
298 }

References ArrayOfGenres().

Referenced by getid3_id3v1(), getid3_id3v2\ParseID3v2GenreString(), and StandardiseID3v1GenreName().

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◆ StandardiseID3v1GenreName()

getid3_id3v1::StandardiseID3v1GenreName (   $OriginalGenre)

Definition at line 314 of file module.tag.id3v1.php.

314 {
315 if (($GenreID = getid3_id3v1::LookupGenreID($OriginalGenre)) !== false) {
316 return getid3_id3v1::LookupGenreName($GenreID);
317 }
318 return $OriginalGenre;
319 }

References LookupGenreID(), and LookupGenreName().

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The documentation for this class was generated from the following file: