ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
module.audio-video.quicktime.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// module.audio-video.quicktime.php //
11// module for analyzing Quicktime and MP3-in-MP4 files //
12// dependencies: module.audio.mp3.php //
13// ///
15
16getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true);
17
18class getid3_quicktime
19{
20
21 function getid3_quicktime(&$fd, &$ThisFileInfo, $ReturnAtomData=true, $ParseAllPossibleAtoms=false) {
22
23 $ThisFileInfo['fileformat'] = 'quicktime';
24 $ThisFileInfo['quicktime']['hinting'] = false;
25
26 fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
27
28 $offset = 0;
29 $atomcounter = 0;
30
31 while ($offset < $ThisFileInfo['avdataend']) {
32 fseek($fd, $offset, SEEK_SET);
33 $AtomHeader = fread($fd, 8);
34
35 $atomsize = getid3_lib::BigEndian2Int(substr($AtomHeader, 0, 4));
36 $atomname = substr($AtomHeader, 4, 4);
37 $ThisFileInfo['quicktime'][$atomname]['name'] = $atomname;
38 $ThisFileInfo['quicktime'][$atomname]['size'] = $atomsize;
39 $ThisFileInfo['quicktime'][$atomname]['offset'] = $offset;
40
41 if (($offset + $atomsize) > $ThisFileInfo['avdataend']) {
42 $ThisFileInfo['error'][] = 'Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atomsize.' bytes)';
43 return false;
44 }
45
46 if ($atomsize == 0) {
47 // Furthermore, for historical reasons the list of atoms is optionally
48 // terminated by a 32-bit integer set to 0. If you are writing a program
49 // to read user data atoms, you should allow for the terminating 0.
50 break;
51 }
52 switch ($atomname) {
53 case 'mdat': // Media DATa atom
54 // 'mdat' contains the actual data for the audio/video
55 if (($atomsize > 8) && (!isset($ThisFileInfo['avdataend_tmp']) || ($ThisFileInfo['quicktime'][$atomname]['size'] > ($ThisFileInfo['avdataend_tmp'] - $ThisFileInfo['avdataoffset'])))) {
56
57 $ThisFileInfo['avdataoffset'] = $ThisFileInfo['quicktime'][$atomname]['offset'] + 8;
58 $OldAVDataEnd = $ThisFileInfo['avdataend'];
59 $ThisFileInfo['avdataend'] = $ThisFileInfo['quicktime'][$atomname]['offset'] + $ThisFileInfo['quicktime'][$atomname]['size'];
60
61 if (getid3_mp3::MPEGaudioHeaderValid(getid3_mp3::MPEGaudioHeaderDecode(fread($fd, 4)))) {
62 getid3_mp3::getOnlyMPEGaudioInfo($fd, $ThisFileInfo, $ThisFileInfo['avdataoffset'], false);
63 if (isset($ThisFileInfo['mpeg']['audio'])) {
64 $ThisFileInfo['audio']['dataformat'] = 'mp3';
65 $ThisFileInfo['audio']['codec'] = (!empty($ThisFileInfo['mpeg']['audio']['encoder']) ? $ThisFileInfo['mpeg']['audio']['encoder'] : (!empty($ThisFileInfo['mpeg']['audio']['codec']) ? $ThisFileInfo['mpeg']['audio']['codec'] : (!empty($ThisFileInfo['mpeg']['audio']['LAME']) ? 'LAME' :'mp3')));
66 $ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['mpeg']['audio']['sample_rate'];
67 $ThisFileInfo['audio']['channels'] = $ThisFileInfo['mpeg']['audio']['channels'];
68 $ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['mpeg']['audio']['bitrate'];
69 $ThisFileInfo['audio']['bitrate_mode'] = strtolower($ThisFileInfo['mpeg']['audio']['bitrate_mode']);
70 $ThisFileInfo['bitrate'] = $ThisFileInfo['audio']['bitrate'];
71 }
72 }
73 $ThisFileInfo['avdataend'] = $OldAVDataEnd;
74 unset($OldAVDataEnd);
75
76 }
77 break;
78
79 case 'free': // FREE space atom
80 case 'skip': // SKIP atom
81 case 'wide': // 64-bit expansion placeholder atom
82 // 'free', 'skip' and 'wide' are just padding, contains no useful data at all
83 break;
84
85 default:
86 $atomHierarchy = array();
87 $ThisFileInfo['quicktime'][$atomname] = $this->QuicktimeParseAtom($atomname, $atomsize, fread($fd, $atomsize), $ThisFileInfo, $offset, $atomHierarchy, $ParseAllPossibleAtoms);
88 break;
89 }
90
91 $offset += $atomsize;
92 $atomcounter++;
93 }
94
95 if (!empty($ThisFileInfo['avdataend_tmp'])) {
96 // this value is assigned to a temp value and then erased because
97 // otherwise any atoms beyond the 'mdat' atom would not get parsed
98 $ThisFileInfo['avdataend'] = $ThisFileInfo['avdataend_tmp'];
99 unset($ThisFileInfo['avdataend_tmp']);
100 }
101
102 if (!isset($ThisFileInfo['bitrate']) && isset($ThisFileInfo['playtime_seconds'])) {
103 $ThisFileInfo['bitrate'] = (($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) * 8) / $ThisFileInfo['playtime_seconds'];
104 }
105 if (isset($ThisFileInfo['bitrate']) && !isset($ThisFileInfo['audio']['bitrate']) && !isset($ThisFileInfo['quicktime']['video'])) {
106 $ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['bitrate'];
107 }
108
109 if (($ThisFileInfo['audio']['dataformat'] == 'mp4') && empty($ThisFileInfo['video']['resolution_x'])) {
110 $ThisFileInfo['fileformat'] = 'mp4';
111 $ThisFileInfo['mime_type'] = 'audio/mp4';
112 unset($ThisFileInfo['video']['dataformat']);
113 }
114
115 if (!$ReturnAtomData) {
116 unset($ThisFileInfo['quicktime']['moov']);
117 }
118
119 if (empty($ThisFileInfo['audio']['dataformat']) && !empty($ThisFileInfo['quicktime']['audio'])) {
120 $ThisFileInfo['audio']['dataformat'] = 'quicktime';
121 }
122 if (empty($ThisFileInfo['video']['dataformat']) && !empty($ThisFileInfo['quicktime']['video'])) {
123 $ThisFileInfo['video']['dataformat'] = 'quicktime';
124 }
125
126 return true;
127 }
128
129 function QuicktimeParseAtom($atomname, $atomsize, $atomdata, &$ThisFileInfo, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
130 // http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm
131
132 array_push($atomHierarchy, $atomname);
133 $atomstructure['hierarchy'] = implode(' ', $atomHierarchy);
134 $atomstructure['name'] = $atomname;
135 $atomstructure['size'] = $atomsize;
136 $atomstructure['offset'] = $baseoffset;
137
138 switch ($atomname) {
139 case 'moov': // MOVie container atom
140 case 'trak': // TRAcK container atom
141 case 'clip': // CLIPping container atom
142 case 'matt': // track MATTe container atom
143 case 'edts': // EDiTS container atom
144 case 'tref': // Track REFerence container atom
145 case 'mdia': // MeDIA container atom
146 case 'minf': // Media INFormation container atom
147 case 'dinf': // Data INFormation container atom
148 case 'udta': // User DaTA container atom
149 case 'stbl': // Sample TaBLe container atom
150 case 'cmov': // Compressed MOVie container atom
151 case 'rmra': // Reference Movie Record Atom
152 case 'rmda': // Reference Movie Descriptor Atom
153 case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR)
154 $atomstructure['subatoms'] = $this->QuicktimeParseContainerAtom($atomdata, $ThisFileInfo, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
155 break;
156
157
158 case '©cpy':
159 case '©day':
160 case '©dir':
161 case '©ed1':
162 case '©ed2':
163 case '©ed3':
164 case '©ed4':
165 case '©ed5':
166 case '©ed6':
167 case '©ed7':
168 case '©ed8':
169 case '©ed9':
170 case '©fmt':
171 case '©inf':
172 case '©prd':
173 case '©prf':
174 case '©req':
175 case '©src':
176 case '©wrt':
177 case '©nam':
178 case '©cmt':
179 case '©wrn':
180 case '©hst':
181 case '©mak':
182 case '©mod':
183 case '©PRD':
184 case '©swr':
185 case '©aut':
186 case '©ART':
187 case '©trk':
188 case '©alb':
189 case '©com':
190 case '©gen':
191 case '©ope':
192 case '©url':
193 case '©enc':
194 $atomstructure['data_length'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2));
195 $atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2));
196 $atomstructure['data'] = substr($atomdata, 4);
197
198 $atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']);
199 if (empty($ThisFileInfo['comments']['language']) || (!in_array($atomstructure['language'], $ThisFileInfo['comments']['language']))) {
200 $ThisFileInfo['comments']['language'][] = $atomstructure['language'];
201 }
202 $this->CopyToAppropriateCommentsSection($atomname, $atomstructure['data'], $ThisFileInfo);
203 break;
204
205
206 case 'play': // auto-PLAY atom
207 $atomstructure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
208
209 $ThisFileInfo['quicktime']['autoplay'] = $atomstructure['autoplay'];
210 break;
211
212
213 case 'WLOC': // Window LOCation atom
214 $atomstructure['location_x'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2));
215 $atomstructure['location_y'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2));
216 break;
217
218
219 case 'LOOP': // LOOPing atom
220 case 'SelO': // play SELection Only atom
221 case 'AllF': // play ALL Frames atom
222 $atomstructure['data'] = getid3_lib::BigEndian2Int($atomdata);
223 break;
224
225
226 case 'name': //
227 case 'MCPS': // Media Cleaner PRo
228 case '@PRM': // adobe PReMiere version
229 case '@PRQ': // adobe PRemiere Quicktime version
230 $atomstructure['data'] = $atomdata;
231 break;
232
233
234 case 'cmvd': // Compressed MooV Data atom
235 // Code by ubergeekØubergeek*tv based on information from
236 // http://developer.apple.com/quicktime/icefloe/dispatch012.html
237 $atomstructure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4));
238
239 $CompressedFileData = substr($atomdata, 4);
240 if ($UncompressedHeader = @gzuncompress($CompressedFileData)) {
241 $atomstructure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, $ThisFileInfo, 0, $atomHierarchy, $ParseAllPossibleAtoms);
242 } else {
243 $ThisFileInfo['warning'][] = 'Error decompressing compressed MOV atom at offset '.$atomstructure['offset'];
244 }
245 break;
246
247
248 case 'dcom': // Data COMpression atom
249 $atomstructure['compression_id'] = $atomdata;
250 $atomstructure['compression_text'] = $this->QuicktimeDCOMLookup($atomdata);
251 break;
252
253
254 case 'rdrf': // Reference movie Data ReFerence atom
255 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
256 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3));
257 $atomstructure['flags']['internal_data'] = (bool) ($atomstructure['flags_raw'] & 0x000001);
258
259 $atomstructure['reference_type_name'] = substr($atomdata, 4, 4);
260 $atomstructure['reference_length'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4));
261 switch ($atomstructure['reference_type_name']) {
262 case 'url ':
263 $atomstructure['url'] = $this->NoNullString(substr($atomdata, 12));
264 break;
265
266 case 'alis':
267 $atomstructure['file_alias'] = substr($atomdata, 12);
268 break;
269
270 case 'rsrc':
271 $atomstructure['resource_alias'] = substr($atomdata, 12);
272 break;
273
274 default:
275 $atomstructure['data'] = substr($atomdata, 12);
276 break;
277 }
278 break;
279
280
281 case 'rmqu': // Reference Movie QUality atom
282 $atomstructure['movie_quality'] = getid3_lib::BigEndian2Int($atomdata);
283 break;
284
285
286 case 'rmcs': // Reference Movie Cpu Speed atom
287 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
288 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
289 $atomstructure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2));
290 break;
291
292
293 case 'rmvc': // Reference Movie Version Check atom
294 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
295 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
296 $atomstructure['gestalt_selector'] = substr($atomdata, 4, 4);
297 $atomstructure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4));
298 $atomstructure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4));
299 $atomstructure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atomdata, 14, 2));
300 break;
301
302
303 case 'rmcd': // Reference Movie Component check atom
304 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
305 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
306 $atomstructure['component_type'] = substr($atomdata, 4, 4);
307 $atomstructure['component_subtype'] = substr($atomdata, 8, 4);
308 $atomstructure['component_manufacturer'] = substr($atomdata, 12, 4);
309 $atomstructure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4));
310 $atomstructure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4));
311 $atomstructure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atomdata, 24, 4));
312 break;
313
314
315 case 'rmdr': // Reference Movie Data Rate atom
316 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
317 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
318 $atomstructure['data_rate'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
319
320 $atomstructure['data_rate_bps'] = $atomstructure['data_rate'] * 10;
321 break;
322
323
324 case 'rmla': // Reference Movie Language Atom
325 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
326 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
327 $atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2));
328
329 $atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']);
330 if (empty($ThisFileInfo['comments']['language']) || (!in_array($atomstructure['language'], $ThisFileInfo['comments']['language']))) {
331 $ThisFileInfo['comments']['language'][] = $atomstructure['language'];
332 }
333 break;
334
335
336 case 'rmla': // Reference Movie Language Atom
337 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
338 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
339 $atomstructure['track_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2));
340 break;
341
342
343 case 'ptv ': // Print To Video - defines a movie's full screen mode
344 // http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm
345 $atomstructure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2));
346 $atomstructure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2)); // hardcoded: 0x0000
347 $atomstructure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x0000
348 $atomstructure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 1));
349 $atomstructure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atomdata, 7, 1));
350
351 $atomstructure['flags']['play_on_open'] = (bool) $atomstructure['play_on_open_flag'];
352 $atomstructure['flags']['slide_show'] = (bool) $atomstructure['slide_show_flag'];
353
354 $ptv_lookup[0] = 'normal';
355 $ptv_lookup[1] = 'double';
356 $ptv_lookup[2] = 'half';
357 $ptv_lookup[3] = 'full';
358 $ptv_lookup[4] = 'current';
359 if (isset($ptv_lookup[$atomstructure['display_size_raw']])) {
360 $atomstructure['display_size'] = $ptv_lookup[$atomstructure['display_size_raw']];
361 } else {
362 $ThisFileInfo['warning'][] = 'unknown "ptv " display constant ('.$atomstructure['display_size_raw'].')';
363 }
364 break;
365
366
367 case 'stsd': // Sample Table Sample Description atom
368 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
369 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
370 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
371 $stsdEntriesDataOffset = 8;
372 for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
373 $atomstructure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 4));
374 $stsdEntriesDataOffset += 4;
375 $atomstructure['sample_description_table'][$i]['data_format'] = substr($atomdata, $stsdEntriesDataOffset, 4);
376 $stsdEntriesDataOffset += 4;
377 $atomstructure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 6));
378 $stsdEntriesDataOffset += 6;
379 $atomstructure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 2));
380 $stsdEntriesDataOffset += 2;
381 $atomstructure['sample_description_table'][$i]['data'] = substr($atomdata, $stsdEntriesDataOffset, ($atomstructure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2));
382 $stsdEntriesDataOffset += ($atomstructure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2);
383
384 $atomstructure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 0, 2));
385 $atomstructure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 2, 2));
386 $atomstructure['sample_description_table'][$i]['encoder_vendor'] = substr($atomstructure['sample_description_table'][$i]['data'], 4, 4);
387
388 switch ($atomstructure['sample_description_table'][$i]['encoder_vendor']) {
389
390 case "\x00\x00\x00\x00":
391 // audio atom
392 $atomstructure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 8, 2));
393 $atomstructure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 10, 2));
394 $atomstructure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 12, 2));
395 $atomstructure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 14, 2));
396 $atomstructure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 16, 4));
397
398 switch ($atomstructure['sample_description_table'][$i]['data_format']) {
399 case 'mp4v':
400 $ThisFileInfo['fileformat'] = 'mp4';
401 $ThisFileInfo['error'][] = 'This version ('.GETID3_VERSION.') of getID3() does not fully support MPEG-4 audio/video streams';
402 break;
403
404 case 'qtvr':
405 $ThisFileInfo['video']['dataformat'] = 'quicktimevr';
406 break;
407
408 case 'mp4a':
409 default:
410 $ThisFileInfo['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atomstructure['sample_description_table'][$i]['data_format']);
411 $ThisFileInfo['quicktime']['audio']['sample_rate'] = $atomstructure['sample_description_table'][$i]['audio_sample_rate'];
412 $ThisFileInfo['quicktime']['audio']['channels'] = $atomstructure['sample_description_table'][$i]['audio_channels'];
413 $ThisFileInfo['quicktime']['audio']['bit_depth'] = $atomstructure['sample_description_table'][$i]['audio_bit_depth'];
414 $ThisFileInfo['audio']['codec'] = $ThisFileInfo['quicktime']['audio']['codec'];
415 $ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['quicktime']['audio']['sample_rate'];
416 $ThisFileInfo['audio']['channels'] = $ThisFileInfo['quicktime']['audio']['channels'];
417 $ThisFileInfo['audio']['bits_per_sample'] = $ThisFileInfo['quicktime']['audio']['bit_depth'];
418 switch ($atomstructure['sample_description_table'][$i]['data_format']) {
419 case 'raw ': // PCM
420 case 'alac': // Apple Lossless Audio Codec
421 $ThisFileInfo['audio']['lossless'] = true;
422 break;
423 default:
424 $ThisFileInfo['audio']['lossless'] = false;
425 break;
426 }
427 break;
428 }
429 break;
430
431 default:
432 switch ($atomstructure['sample_description_table'][$i]['data_format']) {
433 case 'mp4s':
434 $ThisFileInfo['fileformat'] = 'mp4';
435 break;
436
437 default:
438 // video atom
439 $atomstructure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 8, 4));
440 $atomstructure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 12, 4));
441 $atomstructure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 16, 2));
442 $atomstructure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 18, 2));
443 $atomstructure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 20, 4));
444 $atomstructure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 24, 4));
445 $atomstructure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 28, 4));
446 $atomstructure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 32, 2));
447 $atomstructure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 34, 1));
448 $atomstructure['sample_description_table'][$i]['video_encoder_name'] = substr($atomstructure['sample_description_table'][$i]['data'], 35, $atomstructure['sample_description_table'][$i]['video_encoder_name_len']);
449 $atomstructure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 66, 2));
450 $atomstructure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 68, 2));
451
452 $atomstructure['sample_description_table'][$i]['video_pixel_color_type'] = (($atomstructure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color');
453 $atomstructure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atomstructure['sample_description_table'][$i]['video_pixel_color_depth']);
454
455 if ($atomstructure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') {
456 $ThisFileInfo['quicktime']['video']['codec_fourcc'] = $atomstructure['sample_description_table'][$i]['data_format'];
457 $ThisFileInfo['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atomstructure['sample_description_table'][$i]['data_format']);
458 $ThisFileInfo['quicktime']['video']['codec'] = $atomstructure['sample_description_table'][$i]['video_encoder_name'];
459 $ThisFileInfo['quicktime']['video']['color_depth'] = $atomstructure['sample_description_table'][$i]['video_pixel_color_depth'];
460 $ThisFileInfo['quicktime']['video']['color_depth_name'] = $atomstructure['sample_description_table'][$i]['video_pixel_color_name'];
461
462 $ThisFileInfo['video']['codec'] = $ThisFileInfo['quicktime']['video']['codec'];
463 $ThisFileInfo['video']['bits_per_sample'] = $ThisFileInfo['quicktime']['video']['color_depth'];
464 }
465 $ThisFileInfo['video']['lossless'] = false;
466 $ThisFileInfo['video']['pixel_aspect_ratio'] = (float) 1;
467 break;
468 }
469 break;
470 }
471 switch (strtolower($atomstructure['sample_description_table'][$i]['data_format'])) {
472 case 'mp4a':
473 $ThisFileInfo['audio']['dataformat'] = 'mp4';
474 $ThisFileInfo['quicktime']['audio']['codec'] = 'mp4';
475 break;
476
477 case '3ivx':
478 case '3iv1':
479 case '3iv2':
480 $ThisFileInfo['video']['dataformat'] = '3ivx';
481 break;
482
483 case 'xvid':
484 $ThisFileInfo['video']['dataformat'] = 'xvid';
485 break;
486
487 case 'mp4v':
488 $ThisFileInfo['video']['dataformat'] = 'mpeg4';
489 break;
490
491 case 'divx':
492 case 'div1':
493 case 'div2':
494 case 'div3':
495 case 'div4':
496 case 'div5':
497 case 'div6':
498 $TDIVXileInfo['video']['dataformat'] = 'divx';
499 break;
500
501 default:
502 // do nothing
503 break;
504 }
505 unset($atomstructure['sample_description_table'][$i]['data']);
506 }
507 break;
508
509
510 case 'stts': // Sample Table Time-to-Sample atom
511 //if ($ParseAllPossibleAtoms) {
512 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
513 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
514 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
515 $sttsEntriesDataOffset = 8;
516 $FrameRateCalculatorArray = array();
517 for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
518 $atomstructure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atomdata, $sttsEntriesDataOffset, 4));
519 $sttsEntriesDataOffset += 4;
520 $atomstructure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, $sttsEntriesDataOffset, 4));
521 $sttsEntriesDataOffset += 4;
522
523 if (!empty($ThisFileInfo['quicktime']['time_scale']) && (@$atomstructure['time_to_sample_table'][$i]['sample_duration'] > 0)) {
524 $stts_new_framerate = $ThisFileInfo['quicktime']['time_scale'] / $atomstructure['time_to_sample_table'][$i]['sample_duration'];
525 if ($stts_new_framerate <= 60) {
526 // some atoms have durations of "1" giving a very large framerate, which probably is not right
527 $ThisFileInfo['video']['frame_rate'] = max(@$ThisFileInfo['video']['frame_rate'], $stts_new_framerate);
528 }
529 }
530 //@$FrameRateCalculatorArray[($ThisFileInfo['quicktime']['time_scale'] / $atomstructure['time_to_sample_table'][$i]['sample_duration'])] += $atomstructure['time_to_sample_table'][$i]['sample_count'];
531 }
532 //$sttsFramesTotal = 0;
533 //$sttsSecondsTotal = 0;
534 //foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) {
535 // if (($frames_per_second > 60) || ($frames_per_second < 1)) {
536 // // not video FPS information, probably audio information
537 // $sttsFramesTotal = 0;
538 // $sttsSecondsTotal = 0;
539 // break;
540 // }
541 // $sttsFramesTotal += $frame_count;
542 // $sttsSecondsTotal += $frame_count / $frames_per_second;
543 //}
544 //if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) {
545 // if (($sttsFramesTotal / $sttsSecondsTotal) > @$ThisFileInfo['video']['frame_rate']) {
546 // $ThisFileInfo['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal;
547 // }
548 //}
549 //}
550 break;
551
552
553 case 'stss': // Sample Table Sync Sample (key frames) atom
554 if ($ParseAllPossibleAtoms) {
555 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
556 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
557 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
558 $stssEntriesDataOffset = 8;
559 for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
560 $atomstructure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stssEntriesDataOffset, 4));
561 $stssEntriesDataOffset += 4;
562 }
563 }
564 break;
565
566
567 case 'stsc': // Sample Table Sample-to-Chunk atom
568 if ($ParseAllPossibleAtoms) {
569 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
570 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
571 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
572 $stscEntriesDataOffset = 8;
573 for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
574 $atomstructure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4));
575 $stscEntriesDataOffset += 4;
576 $atomstructure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4));
577 $stscEntriesDataOffset += 4;
578 $atomstructure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4));
579 $stscEntriesDataOffset += 4;
580 }
581 }
582 break;
583
584
585 case 'stsz': // Sample Table SiZe atom
586 if ($ParseAllPossibleAtoms) {
587 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
588 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
589 $atomstructure['sample_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
590 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4));
591 $stszEntriesDataOffset = 12;
592 if ($atomstructure['sample_size'] == 0) {
593 for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
594 $atomstructure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stszEntriesDataOffset, 4));
595 $stszEntriesDataOffset += 4;
596 }
597 }
598 }
599 break;
600
601
602 case 'stco': // Sample Table Chunk Offset atom
603 if ($ParseAllPossibleAtoms) {
604 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
605 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
606 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
607 $stcoEntriesDataOffset = 8;
608 for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
609 $atomstructure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stcoEntriesDataOffset, 4));
610 $stcoEntriesDataOffset += 4;
611 }
612 }
613 break;
614
615
616 case 'dref': // Data REFerence atom
617 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
618 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
619 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
620 $drefDataOffset = 8;
621 for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
622 $atomstructure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 4));
623 $drefDataOffset += 4;
624 $atomstructure['data_references'][$i]['type'] = substr($atomdata, $drefDataOffset, 4);
625 $drefDataOffset += 4;
626 $atomstructure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 1));
627 $drefDataOffset += 1;
628 $atomstructure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 3)); // hardcoded: 0x0000
629 $drefDataOffset += 3;
630 $atomstructure['data_references'][$i]['data'] = substr($atomdata, $drefDataOffset, ($atomstructure['data_references'][$i]['size'] - 4 - 4 - 1 - 3));
631 $drefDataOffset += ($atomstructure['data_references'][$i]['size'] - 4 - 4 - 1 - 3);
632
633 $atomstructure['data_references'][$i]['flags']['self_reference'] = (bool) ($atomstructure['data_references'][$i]['flags_raw'] & 0x001);
634 }
635 break;
636
637
638 case 'gmin': // base Media INformation atom
639 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
640 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
641 $atomstructure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2));
642 $atomstructure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2));
643 $atomstructure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 2));
644 $atomstructure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2));
645 $atomstructure['balance'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 2));
646 $atomstructure['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, 14, 2));
647 break;
648
649
650 case 'smhd': // Sound Media information HeaDer atom
651 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
652 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
653 $atomstructure['balance'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2));
654 $atomstructure['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2));
655 break;
656
657
658 case 'vmhd': // Video Media information HeaDer atom
659 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
660 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3));
661 $atomstructure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2));
662 $atomstructure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2));
663 $atomstructure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 2));
664 $atomstructure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2));
665
666 $atomstructure['flags']['no_lean_ahead'] = (bool) ($atomstructure['flags_raw'] & 0x001);
667 break;
668
669
670 case 'hdlr': // HanDLeR reference atom
671 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
672 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
673 $atomstructure['component_type'] = substr($atomdata, 4, 4);
674 $atomstructure['component_subtype'] = substr($atomdata, 8, 4);
675 $atomstructure['component_manufacturer'] = substr($atomdata, 12, 4);
676 $atomstructure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4));
677 $atomstructure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4));
678 $atomstructure['component_name'] = $this->Pascal2String(substr($atomdata, 24));
679
680 if (($atomstructure['component_subtype'] == 'STpn') && ($atomstructure['component_manufacturer'] == 'zzzz')) {
681 $ThisFileInfo['video']['dataformat'] = 'quicktimevr';
682 }
683 break;
684
685
686 case 'mdhd': // MeDia HeaDer atom
687 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
688 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
689 $atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
690 $atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4));
691 $atomstructure['time_scale'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4));
692 $atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4));
693 $atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 2));
694 $atomstructure['quality'] = getid3_lib::BigEndian2Int(substr($atomdata, 22, 2));
695
696 if ($atomstructure['time_scale'] == 0) {
697 $ThisFileInfo['error'][] = 'Corrupt Quicktime file: mdhd.time_scale == zero';
698 return false;
699 }
700 $atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']);
701 $atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']);
702 $atomstructure['playtime_seconds'] = $atomstructure['duration'] / $atomstructure['time_scale'];
703 $atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']);
704 if (empty($ThisFileInfo['comments']['language']) || (!in_array($atomstructure['language'], $ThisFileInfo['comments']['language']))) {
705 $ThisFileInfo['comments']['language'][] = $atomstructure['language'];
706 }
707 break;
708
709
710 case 'pnot': // Preview atom
711 $atomstructure['modification_date'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); // "standard Macintosh format"
712 $atomstructure['version_number'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x00
713 $atomstructure['atom_type'] = substr($atomdata, 6, 4); // usually: 'PICT'
714 $atomstructure['atom_index'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2)); // usually: 0x01
715
716 $atomstructure['modification_date_unix'] = getid3_lib::DateMac2Unix($atomstructure['modification_date']);
717 break;
718
719
720 case 'crgn': // Clipping ReGioN atom
721 $atomstructure['region_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2)); // The Region size, Region boundary box,
722 $atomstructure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 8)); // and Clipping region data fields
723 $atomstructure['clipping_data'] = substr($atomdata, 10); // constitute a QuickDraw region.
724 break;
725
726
727 case 'load': // track LOAD settings atom
728 $atomstructure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4));
729 $atomstructure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
730 $atomstructure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4));
731 $atomstructure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4));
732
733 $atomstructure['default_hints']['double_buffer'] = (bool) ($atomstructure['default_hints_raw'] & 0x0020);
734 $atomstructure['default_hints']['high_quality'] = (bool) ($atomstructure['default_hints_raw'] & 0x0100);
735 break;
736
737
738 case 'tmcd': // TiMe CoDe atom
739 case 'chap': // CHAPter list atom
740 case 'sync': // SYNChronization atom
741 case 'scpt': // tranSCriPT atom
742 case 'ssrc': // non-primary SouRCe atom
743 for ($i = 0; $i < (strlen($atomdata) % 4); $i++) {
744 $atomstructure['track_id'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $i * 4, 4));
745 }
746 break;
747
748
749 case 'elst': // Edit LiST atom
750 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
751 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
752 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
753 for ($i = 0; $i < $atomstructure['number_entries']; $i++ ) {
754 $atomstructure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($i * 12) + 0, 4));
755 $atomstructure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($i * 12) + 4, 4));
756 $atomstructure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atomdata, 8 + ($i * 12) + 8, 4));
757 }
758 break;
759
760
761 case 'kmat': // compressed MATte atom
762 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
763 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
764 $atomstructure['matte_data_raw'] = substr($atomdata, 4);
765 break;
766
767
768 case 'ctab': // Color TABle atom
769 $atomstructure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); // hardcoded: 0x00000000
770 $atomstructure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x8000
771 $atomstructure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2)) + 1;
772 for ($colortableentry = 0; $colortableentry < $atomstructure['color_table_size']; $colortableentry++) {
773 $atomstructure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 0, 2));
774 $atomstructure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 2, 2));
775 $atomstructure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 4, 2));
776 $atomstructure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 6, 2));
777 }
778 break;
779
780
781 case 'mvhd': // MoVie HeaDer atom
782 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
783 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3));
784 $atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
785 $atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4));
786 $atomstructure['time_scale'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4));
787 $atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4));
788 $atomstructure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atomdata, 20, 4));
789 $atomstructure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atomdata, 24, 2));
790 $atomstructure['reserved'] = substr($atomdata, 26, 10);
791 $atomstructure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atomdata, 36, 4));
792 $atomstructure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atomdata, 40, 4));
793 $atomstructure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atomdata, 44, 4));
794 $atomstructure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atomdata, 48, 4));
795 $atomstructure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atomdata, 52, 4));
796 $atomstructure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atomdata, 56, 4));
797 $atomstructure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atomdata, 60, 4));
798 $atomstructure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atomdata, 64, 4));
799 $atomstructure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atomdata, 68, 4));
800 $atomstructure['preview_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 72, 4));
801 $atomstructure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 76, 4));
802 $atomstructure['poster_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 80, 4));
803 $atomstructure['selection_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 84, 4));
804 $atomstructure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 88, 4));
805 $atomstructure['current_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 92, 4));
806 $atomstructure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 96, 4));
807
808 if ($atomstructure['time_scale'] == 0) {
809 $ThisFileInfo['error'][] = 'Corrupt Quicktime file: mvhd.time_scale == zero';
810 return false;
811 }
812 $atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']);
813 $atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']);
814 $ThisFileInfo['quicktime']['time_scale'] = $atomstructure['time_scale'];
815 $ThisFileInfo['quicktime']['display_scale'] = $atomstructure['matrix_a'];
816 $ThisFileInfo['playtime_seconds'] = $atomstructure['duration'] / $atomstructure['time_scale'];
817 break;
818
819
820 case 'tkhd': // TracK HeaDer atom
821 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
822 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3));
823 $atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
824 $atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4));
825 $atomstructure['trackid'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4));
826 $atomstructure['reserved1'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4));
827 $atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4));
828 $atomstructure['reserved2'] = getid3_lib::BigEndian2Int(substr($atomdata, 24, 8));
829 $atomstructure['layer'] = getid3_lib::BigEndian2Int(substr($atomdata, 32, 2));
830 $atomstructure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atomdata, 34, 2));
831 $atomstructure['volume'] = getid3_lib::FixedPoint8_8(substr($atomdata, 36, 2));
832 $atomstructure['reserved3'] = getid3_lib::BigEndian2Int(substr($atomdata, 38, 2));
833 $atomstructure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atomdata, 40, 4));
834 $atomstructure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atomdata, 44, 4));
835 $atomstructure['matrix_u'] = getid3_lib::FixedPoint16_16(substr($atomdata, 48, 4));
836 $atomstructure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atomdata, 52, 4));
837 $atomstructure['matrix_v'] = getid3_lib::FixedPoint16_16(substr($atomdata, 56, 4));
838 $atomstructure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atomdata, 60, 4));
839 $atomstructure['matrix_x'] = getid3_lib::FixedPoint2_30(substr($atomdata, 64, 4));
840 $atomstructure['matrix_y'] = getid3_lib::FixedPoint2_30(substr($atomdata, 68, 4));
841 $atomstructure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atomdata, 72, 4));
842 $atomstructure['width'] = getid3_lib::FixedPoint16_16(substr($atomdata, 76, 4));
843 $atomstructure['height'] = getid3_lib::FixedPoint16_16(substr($atomdata, 80, 4));
844
845 $atomstructure['flags']['enabled'] = (bool) ($atomstructure['flags_raw'] & 0x0001);
846 $atomstructure['flags']['in_movie'] = (bool) ($atomstructure['flags_raw'] & 0x0002);
847 $atomstructure['flags']['in_preview'] = (bool) ($atomstructure['flags_raw'] & 0x0004);
848 $atomstructure['flags']['in_poster'] = (bool) ($atomstructure['flags_raw'] & 0x0008);
849 $atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']);
850 $atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']);
851
852 if (!isset($ThisFileInfo['video']['resolution_x']) || !isset($ThisFileInfo['video']['resolution_y'])) {
853 $ThisFileInfo['video']['resolution_x'] = $atomstructure['width'];
854 $ThisFileInfo['video']['resolution_y'] = $atomstructure['height'];
855 }
856 if ($atomstructure['flags']['enabled'] == 1) {
857 $ThisFileInfo['video']['resolution_x'] = max($ThisFileInfo['video']['resolution_x'], $atomstructure['width']);
858 $ThisFileInfo['video']['resolution_y'] = max($ThisFileInfo['video']['resolution_y'], $atomstructure['height']);
859 }
860 if (!empty($ThisFileInfo['video']['resolution_x']) && !empty($ThisFileInfo['video']['resolution_y'])) {
861 $ThisFileInfo['quicktime']['video']['resolution_x'] = $ThisFileInfo['video']['resolution_x'];
862 $ThisFileInfo['quicktime']['video']['resolution_y'] = $ThisFileInfo['video']['resolution_y'];
863 } else {
864 unset($ThisFileInfo['video']['resolution_x']);
865 unset($ThisFileInfo['video']['resolution_y']);
866 unset($ThisFileInfo['quicktime']['video']);
867 }
868 break;
869
870
871 case 'meta': // METAdata atom
872 // http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt
873 $NextTagPosition = strpos($atomdata, '©');
874 while ($NextTagPosition < strlen($atomdata)) {
875 $metaItemSize = getid3_lib::BigEndian2Int(substr($atomdata, $NextTagPosition - 4, 4)) - 4;
876 if ($metaItemSize == -4) {
877 break;
878 }
879 $metaItemRaw = substr($atomdata, $NextTagPosition, $metaItemSize);
880 $metaItemKey = substr($metaItemRaw, 0, 4);
881 $metaItemData = substr($metaItemRaw, 20);
882 $NextTagPosition += $metaItemSize + 4;
883
884 $this->CopyToAppropriateCommentsSection($metaItemKey, $metaItemData, $ThisFileInfo);
885 }
886 break;
887
888 case 'ftyp': // FileTYPe (?) atom (for MP4 it seems)
889 $atomstructure['signature'] = substr($atomdata, 0, 4);
890 $atomstructure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
891 $atomstructure['fourcc'] = substr($atomdata, 8, 4);
892 break;
893
894 case 'mdat': // Media DATa atom
895 case 'free': // FREE space atom
896 case 'skip': // SKIP atom
897 case 'wide': // 64-bit expansion placeholder atom
898 // 'mdat' data is too big to deal with, contains no useful metadata
899 // 'free', 'skip' and 'wide' are just padding, contains no useful data at all
900
901 // When writing QuickTime files, it is sometimes necessary to update an atom's size.
902 // It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom
903 // is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime
904 // puts an 8-byte placeholder atom before any atoms it may have to update the size of.
905 // In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the
906 // placeholder atom can be overwritten to obtain the necessary 8 extra bytes.
907 // The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ).
908 break;
909
910
911 case 'nsav': // NoSAVe atom
912 // http://developer.apple.com/technotes/tn/tn2038.html
913 $atomstructure['data'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4));
914 break;
915
916 case 'ctyp': // Controller TYPe atom (seen on QTVR)
917 // http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt
918 // some controller names are:
919 // 0x00 + 'std' for linear movie
920 // 'none' for no controls
921 $atomstructure['ctyp'] = substr($atomdata, 0, 4);
922 switch ($atomstructure['ctyp']) {
923 case 'qtvr':
924 $ThisFileInfo['video']['dataformat'] = 'quicktimevr';
925 break;
926 }
927 break;
928
929 case 'pano': // PANOrama track (seen on QTVR)
930 $atomstructure['pano'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4));
931 break;
932
933 case 'hint': // HINT track
934 case 'hinf': //
935 case 'hinv': //
936 case 'hnti': //
937 $ThisFileInfo['quicktime']['hinting'] = true;
938 break;
939
940 case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR)
941 for ($i = 0; $i < ($atomstructure['size'] - 8); $i += 4) {
942 $atomstructure['imgt'][] = getid3_lib::BigEndian2Int(substr($atomdata, $i, 4));
943 }
944 break;
945
946 case 'FXTC': // Something to do with Adobe After Effects (?)
947 case 'PrmA':
948 case 'code':
949 case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html
950 // Observed-but-not-handled atom types are just listed here
951 // to prevent warnings being generated
952 $atomstructure['data'] = $atomdata;
953 break;
954
955 default:
956 $ThisFileInfo['warning'][] = 'Unknown QuickTime atom type: "'.$atomname.'" at offset '.$baseoffset;
957 $atomstructure['data'] = $atomdata;
958 break;
959 }
960 array_pop($atomHierarchy);
961 return $atomstructure;
962 }
963
964 function QuicktimeParseContainerAtom($atomdata, &$ThisFileInfo, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
965 $atomstructure = false;
966 $subatomoffset = 0;
967 $subatomcounter = 0;
968 if ((strlen($atomdata) == 4) && (getid3_lib::BigEndian2Int($atomdata) == 0x00000000)) {
969 return false;
970 }
971 while ($subatomoffset < strlen($atomdata)) {
972 $subatomsize = getid3_lib::BigEndian2Int(substr($atomdata, $subatomoffset + 0, 4));
973 $subatomname = substr($atomdata, $subatomoffset + 4, 4);
974 $subatomdata = substr($atomdata, $subatomoffset + 8, $subatomsize - 8);
975 if ($subatomsize == 0) {
976 // Furthermore, for historical reasons the list of atoms is optionally
977 // terminated by a 32-bit integer set to 0. If you are writing a program
978 // to read user data atoms, you should allow for the terminating 0.
979 return $atomstructure;
980 }
981
982 $atomstructure[$subatomcounter] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $ThisFileInfo, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms);
983
984 $subatomoffset += $subatomsize;
985 $subatomcounter++;
986 }
987 return $atomstructure;
988 }
989
990
991 function QuicktimeLanguageLookup($languageid) {
992 static $QuicktimeLanguageLookup = array();
993 if (empty($QuicktimeLanguageLookup)) {
994 $QuicktimeLanguageLookup[0] = 'English';
995 $QuicktimeLanguageLookup[1] = 'French';
996 $QuicktimeLanguageLookup[2] = 'German';
997 $QuicktimeLanguageLookup[3] = 'Italian';
998 $QuicktimeLanguageLookup[4] = 'Dutch';
999 $QuicktimeLanguageLookup[5] = 'Swedish';
1000 $QuicktimeLanguageLookup[6] = 'Spanish';
1001 $QuicktimeLanguageLookup[7] = 'Danish';
1002 $QuicktimeLanguageLookup[8] = 'Portuguese';
1003 $QuicktimeLanguageLookup[9] = 'Norwegian';
1004 $QuicktimeLanguageLookup[10] = 'Hebrew';
1005 $QuicktimeLanguageLookup[11] = 'Japanese';
1006 $QuicktimeLanguageLookup[12] = 'Arabic';
1007 $QuicktimeLanguageLookup[13] = 'Finnish';
1008 $QuicktimeLanguageLookup[14] = 'Greek';
1009 $QuicktimeLanguageLookup[15] = 'Icelandic';
1010 $QuicktimeLanguageLookup[16] = 'Maltese';
1011 $QuicktimeLanguageLookup[17] = 'Turkish';
1012 $QuicktimeLanguageLookup[18] = 'Croatian';
1013 $QuicktimeLanguageLookup[19] = 'Chinese (Traditional)';
1014 $QuicktimeLanguageLookup[20] = 'Urdu';
1015 $QuicktimeLanguageLookup[21] = 'Hindi';
1016 $QuicktimeLanguageLookup[22] = 'Thai';
1017 $QuicktimeLanguageLookup[23] = 'Korean';
1018 $QuicktimeLanguageLookup[24] = 'Lithuanian';
1019 $QuicktimeLanguageLookup[25] = 'Polish';
1020 $QuicktimeLanguageLookup[26] = 'Hungarian';
1021 $QuicktimeLanguageLookup[27] = 'Estonian';
1022 $QuicktimeLanguageLookup[28] = 'Lettish';
1023 $QuicktimeLanguageLookup[28] = 'Latvian';
1024 $QuicktimeLanguageLookup[29] = 'Saamisk';
1025 $QuicktimeLanguageLookup[29] = 'Lappish';
1026 $QuicktimeLanguageLookup[30] = 'Faeroese';
1027 $QuicktimeLanguageLookup[31] = 'Farsi';
1028 $QuicktimeLanguageLookup[31] = 'Persian';
1029 $QuicktimeLanguageLookup[32] = 'Russian';
1030 $QuicktimeLanguageLookup[33] = 'Chinese (Simplified)';
1031 $QuicktimeLanguageLookup[34] = 'Flemish';
1032 $QuicktimeLanguageLookup[35] = 'Irish';
1033 $QuicktimeLanguageLookup[36] = 'Albanian';
1034 $QuicktimeLanguageLookup[37] = 'Romanian';
1035 $QuicktimeLanguageLookup[38] = 'Czech';
1036 $QuicktimeLanguageLookup[39] = 'Slovak';
1037 $QuicktimeLanguageLookup[40] = 'Slovenian';
1038 $QuicktimeLanguageLookup[41] = 'Yiddish';
1039 $QuicktimeLanguageLookup[42] = 'Serbian';
1040 $QuicktimeLanguageLookup[43] = 'Macedonian';
1041 $QuicktimeLanguageLookup[44] = 'Bulgarian';
1042 $QuicktimeLanguageLookup[45] = 'Ukrainian';
1043 $QuicktimeLanguageLookup[46] = 'Byelorussian';
1044 $QuicktimeLanguageLookup[47] = 'Uzbek';
1045 $QuicktimeLanguageLookup[48] = 'Kazakh';
1046 $QuicktimeLanguageLookup[49] = 'Azerbaijani';
1047 $QuicktimeLanguageLookup[50] = 'AzerbaijanAr';
1048 $QuicktimeLanguageLookup[51] = 'Armenian';
1049 $QuicktimeLanguageLookup[52] = 'Georgian';
1050 $QuicktimeLanguageLookup[53] = 'Moldavian';
1051 $QuicktimeLanguageLookup[54] = 'Kirghiz';
1052 $QuicktimeLanguageLookup[55] = 'Tajiki';
1053 $QuicktimeLanguageLookup[56] = 'Turkmen';
1054 $QuicktimeLanguageLookup[57] = 'Mongolian';
1055 $QuicktimeLanguageLookup[58] = 'MongolianCyr';
1056 $QuicktimeLanguageLookup[59] = 'Pashto';
1057 $QuicktimeLanguageLookup[60] = 'Kurdish';
1058 $QuicktimeLanguageLookup[61] = 'Kashmiri';
1059 $QuicktimeLanguageLookup[62] = 'Sindhi';
1060 $QuicktimeLanguageLookup[63] = 'Tibetan';
1061 $QuicktimeLanguageLookup[64] = 'Nepali';
1062 $QuicktimeLanguageLookup[65] = 'Sanskrit';
1063 $QuicktimeLanguageLookup[66] = 'Marathi';
1064 $QuicktimeLanguageLookup[67] = 'Bengali';
1065 $QuicktimeLanguageLookup[68] = 'Assamese';
1066 $QuicktimeLanguageLookup[69] = 'Gujarati';
1067 $QuicktimeLanguageLookup[70] = 'Punjabi';
1068 $QuicktimeLanguageLookup[71] = 'Oriya';
1069 $QuicktimeLanguageLookup[72] = 'Malayalam';
1070 $QuicktimeLanguageLookup[73] = 'Kannada';
1071 $QuicktimeLanguageLookup[74] = 'Tamil';
1072 $QuicktimeLanguageLookup[75] = 'Telugu';
1073 $QuicktimeLanguageLookup[76] = 'Sinhalese';
1074 $QuicktimeLanguageLookup[77] = 'Burmese';
1075 $QuicktimeLanguageLookup[78] = 'Khmer';
1076 $QuicktimeLanguageLookup[79] = 'Lao';
1077 $QuicktimeLanguageLookup[80] = 'Vietnamese';
1078 $QuicktimeLanguageLookup[81] = 'Indonesian';
1079 $QuicktimeLanguageLookup[82] = 'Tagalog';
1080 $QuicktimeLanguageLookup[83] = 'MalayRoman';
1081 $QuicktimeLanguageLookup[84] = 'MalayArabic';
1082 $QuicktimeLanguageLookup[85] = 'Amharic';
1083 $QuicktimeLanguageLookup[86] = 'Tigrinya';
1084 $QuicktimeLanguageLookup[87] = 'Galla';
1085 $QuicktimeLanguageLookup[87] = 'Oromo';
1086 $QuicktimeLanguageLookup[88] = 'Somali';
1087 $QuicktimeLanguageLookup[89] = 'Swahili';
1088 $QuicktimeLanguageLookup[90] = 'Ruanda';
1089 $QuicktimeLanguageLookup[91] = 'Rundi';
1090 $QuicktimeLanguageLookup[92] = 'Chewa';
1091 $QuicktimeLanguageLookup[93] = 'Malagasy';
1092 $QuicktimeLanguageLookup[94] = 'Esperanto';
1093 $QuicktimeLanguageLookup[128] = 'Welsh';
1094 $QuicktimeLanguageLookup[129] = 'Basque';
1095 $QuicktimeLanguageLookup[130] = 'Catalan';
1096 $QuicktimeLanguageLookup[131] = 'Latin';
1097 $QuicktimeLanguageLookup[132] = 'Quechua';
1098 $QuicktimeLanguageLookup[133] = 'Guarani';
1099 $QuicktimeLanguageLookup[134] = 'Aymara';
1100 $QuicktimeLanguageLookup[135] = 'Tatar';
1101 $QuicktimeLanguageLookup[136] = 'Uighur';
1102 $QuicktimeLanguageLookup[137] = 'Dzongkha';
1103 $QuicktimeLanguageLookup[138] = 'JavaneseRom';
1104 }
1105 return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid');
1106 }
1107
1108 function QuicktimeVideoCodecLookup($codecid) {
1109 static $QuicktimeVideoCodecLookup = array();
1110 if (empty($QuicktimeVideoCodecLookup)) {
1111 $QuicktimeVideoCodecLookup['3IVX'] = '3ivx MPEG-4';
1112 $QuicktimeVideoCodecLookup['3IV1'] = '3ivx MPEG-4 v1';
1113 $QuicktimeVideoCodecLookup['3IV2'] = '3ivx MPEG-4 v2';
1114 $QuicktimeVideoCodecLookup['avr '] = 'AVR-JPEG';
1115 $QuicktimeVideoCodecLookup['base'] = 'Base';
1116 $QuicktimeVideoCodecLookup['WRLE'] = 'BMP';
1117 $QuicktimeVideoCodecLookup['cvid'] = 'Cinepak';
1118 $QuicktimeVideoCodecLookup['clou'] = 'Cloud';
1119 $QuicktimeVideoCodecLookup['cmyk'] = 'CMYK';
1120 $QuicktimeVideoCodecLookup['yuv2'] = 'ComponentVideo';
1121 $QuicktimeVideoCodecLookup['yuvu'] = 'ComponentVideoSigned';
1122 $QuicktimeVideoCodecLookup['yuvs'] = 'ComponentVideoUnsigned';
1123 $QuicktimeVideoCodecLookup['dvc '] = 'DVC-NTSC';
1124 $QuicktimeVideoCodecLookup['dvcp'] = 'DVC-PAL';
1125 $QuicktimeVideoCodecLookup['dvpn'] = 'DVCPro-NTSC';
1126 $QuicktimeVideoCodecLookup['dvpp'] = 'DVCPro-PAL';
1127 $QuicktimeVideoCodecLookup['fire'] = 'Fire';
1128 $QuicktimeVideoCodecLookup['flic'] = 'FLC';
1129 $QuicktimeVideoCodecLookup['b48r'] = '48RGB';
1130 $QuicktimeVideoCodecLookup['gif '] = 'GIF';
1131 $QuicktimeVideoCodecLookup['smc '] = 'Graphics';
1132 $QuicktimeVideoCodecLookup['h261'] = 'H261';
1133 $QuicktimeVideoCodecLookup['h263'] = 'H263';
1134 $QuicktimeVideoCodecLookup['IV41'] = 'Indeo4';
1135 $QuicktimeVideoCodecLookup['jpeg'] = 'JPEG';
1136 $QuicktimeVideoCodecLookup['PNTG'] = 'MacPaint';
1137 $QuicktimeVideoCodecLookup['msvc'] = 'Microsoft Video1';
1138 $QuicktimeVideoCodecLookup['mjpa'] = 'Motion JPEG-A';
1139 $QuicktimeVideoCodecLookup['mjpb'] = 'Motion JPEG-B';
1140 $QuicktimeVideoCodecLookup['myuv'] = 'MPEG YUV420';
1141 $QuicktimeVideoCodecLookup['dmb1'] = 'OpenDML JPEG';
1142 $QuicktimeVideoCodecLookup['kpcd'] = 'PhotoCD';
1143 $QuicktimeVideoCodecLookup['8BPS'] = 'Planar RGB';
1144 $QuicktimeVideoCodecLookup['png '] = 'PNG';
1145 $QuicktimeVideoCodecLookup['qdrw'] = 'QuickDraw';
1146 $QuicktimeVideoCodecLookup['qdgx'] = 'QuickDrawGX';
1147 $QuicktimeVideoCodecLookup['raw '] = 'RAW';
1148 $QuicktimeVideoCodecLookup['.SGI'] = 'SGI';
1149 $QuicktimeVideoCodecLookup['b16g'] = '16Gray';
1150 $QuicktimeVideoCodecLookup['b64a'] = '64ARGB';
1151 $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 1';
1152 $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 3';
1153 $QuicktimeVideoCodecLookup['syv9'] = 'Sorenson YUV9';
1154 $QuicktimeVideoCodecLookup['tga '] = 'Targa';
1155 $QuicktimeVideoCodecLookup['b32a'] = '32AlphaGray';
1156 $QuicktimeVideoCodecLookup['tiff'] = 'TIFF';
1157 $QuicktimeVideoCodecLookup['path'] = 'Vector';
1158 $QuicktimeVideoCodecLookup['rpza'] = 'Video';
1159 $QuicktimeVideoCodecLookup['ripl'] = 'WaterRipple';
1160 $QuicktimeVideoCodecLookup['WRAW'] = 'Windows RAW';
1161 $QuicktimeVideoCodecLookup['y420'] = 'YUV420';
1162 }
1163 return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : '');
1164 }
1165
1166 function QuicktimeAudioCodecLookup($codecid) {
1167 static $QuicktimeAudioCodecLookup = array();
1168 if (empty($QuicktimeAudioCodecLookup)) {
1169 $QuicktimeAudioCodecLookup['.mp3'] = 'Fraunhofer MPEG Layer-III alias';
1170 $QuicktimeAudioCodecLookup['aac '] = 'ISO/IEC 14496-3 AAC';
1171 $QuicktimeAudioCodecLookup['agsm'] = 'Apple GSM 10:1';
1172 $QuicktimeAudioCodecLookup['alac'] = 'Apple Lossless Audio Codec';
1173 $QuicktimeAudioCodecLookup['alaw'] = 'A-law 2:1';
1174 $QuicktimeAudioCodecLookup['conv'] = 'Sample Format';
1175 $QuicktimeAudioCodecLookup['dvca'] = 'DV';
1176 $QuicktimeAudioCodecLookup['dvi '] = 'DV 4:1';
1177 $QuicktimeAudioCodecLookup['eqal'] = 'Frequency Equalizer';
1178 $QuicktimeAudioCodecLookup['fl32'] = '32-bit Floating Point';
1179 $QuicktimeAudioCodecLookup['fl64'] = '64-bit Floating Point';
1180 $QuicktimeAudioCodecLookup['ima4'] = 'Interactive Multimedia Association 4:1';
1181 $QuicktimeAudioCodecLookup['in24'] = '24-bit Integer';
1182 $QuicktimeAudioCodecLookup['in32'] = '32-bit Integer';
1183 $QuicktimeAudioCodecLookup['lpc '] = 'LPC 23:1';
1184 $QuicktimeAudioCodecLookup['MAC3'] = 'Macintosh Audio Compression/Expansion (MACE) 3:1';
1185 $QuicktimeAudioCodecLookup['MAC6'] = 'Macintosh Audio Compression/Expansion (MACE) 6:1';
1186 $QuicktimeAudioCodecLookup['mixb'] = '8-bit Mixer';
1187 $QuicktimeAudioCodecLookup['mixw'] = '16-bit Mixer';
1188 $QuicktimeAudioCodecLookup['mp4a'] = 'ISO/IEC 14496-3 AAC';
1189 $QuicktimeAudioCodecLookup['MS'."\x00\x02"] = 'Microsoft ADPCM';
1190 $QuicktimeAudioCodecLookup['MS'."\x00\x11"] = 'DV IMA';
1191 $QuicktimeAudioCodecLookup['MS'."\x00\x55"] = 'Fraunhofer MPEG Layer III';
1192 $QuicktimeAudioCodecLookup['NONE'] = 'No Encoding';
1193 $QuicktimeAudioCodecLookup['Qclp'] = 'Qualcomm PureVoice';
1194 $QuicktimeAudioCodecLookup['QDM2'] = 'QDesign Music 2';
1195 $QuicktimeAudioCodecLookup['QDMC'] = 'QDesign Music 1';
1196 $QuicktimeAudioCodecLookup['ratb'] = '8-bit Rate';
1197 $QuicktimeAudioCodecLookup['ratw'] = '16-bit Rate';
1198 $QuicktimeAudioCodecLookup['raw '] = 'raw PCM';
1199 $QuicktimeAudioCodecLookup['sour'] = 'Sound Source';
1200 $QuicktimeAudioCodecLookup['sowt'] = 'signed/two\'s complement (Little Endian)';
1201 $QuicktimeAudioCodecLookup['str1'] = 'Iomega MPEG layer II';
1202 $QuicktimeAudioCodecLookup['str2'] = 'Iomega MPEG *layer II';
1203 $QuicktimeAudioCodecLookup['str3'] = 'Iomega MPEG **layer II';
1204 $QuicktimeAudioCodecLookup['str4'] = 'Iomega MPEG ***layer II';
1205 $QuicktimeAudioCodecLookup['twos'] = 'signed/two\'s complement (Big Endian)';
1206 $QuicktimeAudioCodecLookup['ulaw'] = 'mu-law 2:1';
1207 }
1208 return (isset($QuicktimeAudioCodecLookup[$codecid]) ? $QuicktimeAudioCodecLookup[$codecid] : '');
1209 }
1210
1211 function QuicktimeDCOMLookup($compressionid) {
1212 static $QuicktimeDCOMLookup = array();
1213 if (empty($QuicktimeDCOMLookup)) {
1214 $QuicktimeDCOMLookup['zlib'] = 'ZLib Deflate';
1215 $QuicktimeDCOMLookup['adec'] = 'Apple Compression';
1216 }
1217 return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : '');
1218 }
1219
1220 function QuicktimeColorNameLookup($colordepthid) {
1221 static $QuicktimeColorNameLookup = array();
1222 if (empty($QuicktimeColorNameLookup)) {
1223 $QuicktimeColorNameLookup[1] = '2-color (monochrome)';
1224 $QuicktimeColorNameLookup[2] = '4-color';
1225 $QuicktimeColorNameLookup[4] = '16-color';
1226 $QuicktimeColorNameLookup[8] = '256-color';
1227 $QuicktimeColorNameLookup[16] = 'thousands (16-bit color)';
1228 $QuicktimeColorNameLookup[24] = 'millions (24-bit color)';
1229 $QuicktimeColorNameLookup[32] = 'millions+ (32-bit color)';
1230 $QuicktimeColorNameLookup[33] = 'black & white';
1231 $QuicktimeColorNameLookup[34] = '4-gray';
1232 $QuicktimeColorNameLookup[36] = '16-gray';
1233 $QuicktimeColorNameLookup[40] = '256-gray';
1234 }
1235 return (isset($QuicktimeColorNameLookup[$colordepthid]) ? $QuicktimeColorNameLookup[$colordepthid] : 'invalid');
1236 }
1237
1238 function CopyToAppropriateCommentsSection($keyname, $data, &$ThisFileInfo) {
1239 static $handyatomtranslatorarray = array();
1240 if (empty($handyatomtranslatorarray)) {
1241 $handyatomtranslatorarray['©cpy'] = 'copyright';
1242 $handyatomtranslatorarray['©day'] = 'creation_date';
1243 $handyatomtranslatorarray['©dir'] = 'director';
1244 $handyatomtranslatorarray['©ed1'] = 'edit1';
1245 $handyatomtranslatorarray['©ed2'] = 'edit2';
1246 $handyatomtranslatorarray['©ed3'] = 'edit3';
1247 $handyatomtranslatorarray['©ed4'] = 'edit4';
1248 $handyatomtranslatorarray['©ed5'] = 'edit5';
1249 $handyatomtranslatorarray['©ed6'] = 'edit6';
1250 $handyatomtranslatorarray['©ed7'] = 'edit7';
1251 $handyatomtranslatorarray['©ed8'] = 'edit8';
1252 $handyatomtranslatorarray['©ed9'] = 'edit9';
1253 $handyatomtranslatorarray['©fmt'] = 'format';
1254 $handyatomtranslatorarray['©inf'] = 'information';
1255 $handyatomtranslatorarray['©prd'] = 'producer';
1256 $handyatomtranslatorarray['©prf'] = 'performers';
1257 $handyatomtranslatorarray['©req'] = 'system_requirements';
1258 $handyatomtranslatorarray['©src'] = 'source_credit';
1259 $handyatomtranslatorarray['©wrt'] = 'writer';
1260
1261 // http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt
1262 $handyatomtranslatorarray['©nam'] = 'title';
1263 $handyatomtranslatorarray['©cmt'] = 'comment';
1264 $handyatomtranslatorarray['©wrn'] = 'warning';
1265 $handyatomtranslatorarray['©hst'] = 'host_computer';
1266 $handyatomtranslatorarray['©mak'] = 'make';
1267 $handyatomtranslatorarray['©mod'] = 'model';
1268 $handyatomtranslatorarray['©PRD'] = 'product';
1269 $handyatomtranslatorarray['©swr'] = 'software';
1270 $handyatomtranslatorarray['©aut'] = 'author';
1271 $handyatomtranslatorarray['©ART'] = 'artist';
1272 $handyatomtranslatorarray['©trk'] = 'track';
1273 $handyatomtranslatorarray['©alb'] = 'album';
1274 $handyatomtranslatorarray['©com'] = 'comment';
1275 $handyatomtranslatorarray['©gen'] = 'genre';
1276 $handyatomtranslatorarray['©ope'] = 'composer';
1277 $handyatomtranslatorarray['©url'] = 'url';
1278 $handyatomtranslatorarray['©enc'] = 'encoder';
1279 }
1280 if (isset($handyatomtranslatorarray[$keyname])) {
1281 $ThisFileInfo['quicktime']['comments'][$handyatomtranslatorarray[$keyname]][] = $data;
1282 }
1283
1284 return true;
1285 }
1286
1287 function NoNullString($nullterminatedstring) {
1288 // remove the single null terminator on null terminated strings
1289 if (substr($nullterminatedstring, strlen($nullterminatedstring) - 1, 1) === "\x00") {
1290 return substr($nullterminatedstring, 0, strlen($nullterminatedstring) - 1);
1291 }
1292 return $nullterminatedstring;
1293 }
1294
1295 function Pascal2String($pascalstring) {
1296 // Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string
1297 return substr($pascalstring, 1);
1298 }
1299
1300}
1301
1302?>
getid3_handler\fseek
fseek($bytes, $whence=SEEK_SET)
Definition: getid3.php:1697
getid3_handler\fread
fread($bytes)
Definition: getid3.php:1685
getid3_lib\FixedPoint8_8
FixedPoint8_8($rawdata)
Definition: getid3.lib.php:449
getid3_lib\IncludeDependency
IncludeDependency($filename, $sourcefile, $DieOnFailure=false)
Definition: getid3.lib.php:1301
getid3_lib\BigEndian2Int
BigEndian2Int($byteword, $synchsafe=false, $signed=false)
Definition: getid3.lib.php:234
getid3_lib\FixedPoint16_16
FixedPoint16_16($rawdata)
Definition: getid3.lib.php:454
getid3_lib\DateMac2Unix
DateMac2Unix($macdate)
Definition: getid3.lib.php:442
getid3_lib\FixedPoint2_30
FixedPoint2_30($rawdata)
Definition: getid3.lib.php:459
getid3_mp3\MPEGaudioHeaderDecode
MPEGaudioHeaderDecode($Header4Bytes)
Definition: module.audio.mp3.php:1687
getid3_mp3\MPEGaudioHeaderValid
MPEGaudioHeaderValid($rawarray, $echoerrors=false, $allowBitrate15=false)
Definition: module.audio.mp3.php:1615
getid3_mp3\getOnlyMPEGaudioInfo
getOnlyMPEGaudioInfo($fd, &$ThisFileInfo, $avdataoffset, $BitrateHistogram=false)
Definition: module.audio.mp3.php:1319
getid3_quicktime
Definition: module.audio-video.quicktime.php:19
getid3_quicktime\QuicktimeVideoCodecLookup
QuicktimeVideoCodecLookup($codecid)
Definition: module.audio-video.quicktime.php:1108
getid3_quicktime\$ParseAllPossibleAtoms
$ParseAllPossibleAtoms
Definition: module.audio-video.quicktime.php:25
getid3_quicktime\$ReturnAtomData
$ReturnAtomData
Definition: module.audio-video.quicktime.php:24
getid3_quicktime\getid3_quicktime
getid3_quicktime(&$fd, &$ThisFileInfo, $ReturnAtomData=true, $ParseAllPossibleAtoms=false)
Definition: module.audio-video.quicktime.php:21
getid3_quicktime\NoNullString
NoNullString($nullterminatedstring)
Definition: module.audio-video.quicktime.php:1287
getid3_quicktime\QuicktimeAudioCodecLookup
QuicktimeAudioCodecLookup($codecid)
Definition: module.audio-video.quicktime.php:1166
getid3_quicktime\QuicktimeColorNameLookup
QuicktimeColorNameLookup($colordepthid)
Definition: module.audio-video.quicktime.php:1220
getid3_quicktime\QuicktimeLanguageLookup
QuicktimeLanguageLookup($languageid)
Definition: module.audio-video.quicktime.php:991
getid3_quicktime\CopyToAppropriateCommentsSection
CopyToAppropriateCommentsSection($keyname, $data, &$ThisFileInfo)
Definition: module.audio-video.quicktime.php:1238
getid3_quicktime\QuicktimeDCOMLookup
QuicktimeDCOMLookup($compressionid)
Definition: module.audio-video.quicktime.php:1211
getid3_quicktime\Pascal2String
Pascal2String($pascalstring)
Definition: module.audio-video.quicktime.php:1295
getid3_quicktime\QuicktimeParseAtom
QuicktimeParseAtom($atomname, $atomsize, $atomdata, &$ThisFileInfo, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms)
Definition: module.audio-video.quicktime.php:129
getid3_quicktime\QuicktimeParseContainerAtom
QuicktimeParseContainerAtom($atomdata, &$ThisFileInfo, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms)
Definition: module.audio-video.quicktime.php:964
$data
$data
Definition: example_011.php:126