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module.audio-video.quicktime.php @ 31945

Last change on this file since 31945 was 24676, checked in by ddtddt, 11 years ago
[extensions] - piwigo_videojs - add file for translate
File size: 107.1 KB

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1	<?php
2	/////////////////////////////////////////////////////////////////
3	/// getID3() by James Heinrich <info@getid3.org> //
4	// available at http://getid3.sourceforge.net //
5	// or http://www.getid3.org //
6	/////////////////////////////////////////////////////////////////
7	// See readme.txt for more details //
8	/////////////////////////////////////////////////////////////////
9	// //
10	// module.audio-video.quicktime.php //
11	// module for analyzing Quicktime and MP3-in-MP4 files //
12	// dependencies: module.audio.mp3.php //
13	// ///
14	/////////////////////////////////////////////////////////////////
15
16	getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true);
17
18	class getid3_quicktime extends getid3_handler
19	{
20
21	public $ReturnAtomData = true;
22	public $ParseAllPossibleAtoms = false;
23
24	public function Analyze() {
25	$info = &$this->getid3->info;
26
27	$info['fileformat'] = 'quicktime';
28	$info['quicktime']['hinting'] = false;
29	$info['quicktime']['controller'] = 'standard'; // may be overridden if 'ctyp' atom is present
30
31	fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
32
33	$offset = 0;
34	$atomcounter = 0;
35
36	while ($offset < $info['avdataend']) {
37	if (!getid3_lib::intValueSupported($offset)) {
38	$info['error'][] = 'Unable to parse atom at offset '.$offset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions';
39	break;
40	}
41	fseek($this->getid3->fp, $offset, SEEK_SET);
42	$AtomHeader = fread($this->getid3->fp, 8);
43
44	$atomsize = getid3_lib::BigEndian2Int(substr($AtomHeader, 0, 4));
45	$atomname = substr($AtomHeader, 4, 4);
46
47	// 64-bit MOV patch by jlegateØktnc*com
48	if ($atomsize == 1) {
49	$atomsize = getid3_lib::BigEndian2Int(fread($this->getid3->fp, 8));
50	}
51
52	$info['quicktime'][$atomname]['name'] = $atomname;
53	$info['quicktime'][$atomname]['size'] = $atomsize;
54	$info['quicktime'][$atomname]['offset'] = $offset;
55
56	if (($offset + $atomsize) > $info['avdataend']) {
57	$info['error'][] = 'Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atomsize.' bytes)';
58	return false;
59	}
60
61	if ($atomsize == 0) {
62	// Furthermore, for historical reasons the list of atoms is optionally
63	// terminated by a 32-bit integer set to 0. If you are writing a program
64	// to read user data atoms, you should allow for the terminating 0.
65	break;
66	}
67	switch ($atomname) {
68	case 'mdat': // Media DATa atom
69	// 'mdat' contains the actual data for the audio/video
70	if (($atomsize > 8) && (!isset($info['avdataend_tmp']) \|\| ($info['quicktime'][$atomname]['size'] > ($info['avdataend_tmp'] - $info['avdataoffset'])))) {
71
72	$info['avdataoffset'] = $info['quicktime'][$atomname]['offset'] + 8;
73	$OldAVDataEnd = $info['avdataend'];
74	$info['avdataend'] = $info['quicktime'][$atomname]['offset'] + $info['quicktime'][$atomname]['size'];
75
76	$getid3_temp = new getID3();
77	$getid3_temp->openfile($this->getid3->filename);
78	$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
79	$getid3_temp->info['avdataend'] = $info['avdataend'];
80	$getid3_mp3 = new getid3_mp3($getid3_temp);
81	if ($getid3_mp3->MPEGaudioHeaderValid($getid3_mp3->MPEGaudioHeaderDecode(fread($this->getid3->fp, 4)))) {
82	$getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false);
83	if (!empty($getid3_temp->info['warning'])) {
84	foreach ($getid3_temp->info['warning'] as $value) {
85	$info['warning'][] = $value;
86	}
87	}
88	if (!empty($getid3_temp->info['mpeg'])) {
89	$info['mpeg'] = $getid3_temp->info['mpeg'];
90	if (isset($info['mpeg']['audio'])) {
91	$info['audio']['dataformat'] = 'mp3';
92	$info['audio']['codec'] = (!empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' :'mp3')));
93	$info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate'];
94	$info['audio']['channels'] = $info['mpeg']['audio']['channels'];
95	$info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate'];
96	$info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
97	$info['bitrate'] = $info['audio']['bitrate'];
98	}
99	}
100	}
101	unset($getid3_mp3, $getid3_temp);
102	$info['avdataend'] = $OldAVDataEnd;
103	unset($OldAVDataEnd);
104
105	}
106	break;
107
108	case 'free': // FREE space atom
109	case 'skip': // SKIP atom
110	case 'wide': // 64-bit expansion placeholder atom
111	// 'free', 'skip' and 'wide' are just padding, contains no useful data at all
112	break;
113
114	default:
115	$atomHierarchy = array();
116	$info['quicktime'][$atomname] = $this->QuicktimeParseAtom($atomname, $atomsize, fread($this->getid3->fp, $atomsize), $offset, $atomHierarchy, $this->ParseAllPossibleAtoms);
117	break;
118	}
119
120	$offset += $atomsize;
121	$atomcounter++;
122	}
123
124	if (!empty($info['avdataend_tmp'])) {
125	// this value is assigned to a temp value and then erased because
126	// otherwise any atoms beyond the 'mdat' atom would not get parsed
127	$info['avdataend'] = $info['avdataend_tmp'];
128	unset($info['avdataend_tmp']);
129	}
130
131	if (!isset($info['bitrate']) && isset($info['playtime_seconds'])) {
132	$info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
133	}
134	if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info['quicktime']['video'])) {
135	$info['audio']['bitrate'] = $info['bitrate'];
136	}
137	if (!empty($info['playtime_seconds']) && !isset($info['video']['frame_rate']) && !empty($info['quicktime']['stts_framecount'])) {
138	foreach ($info['quicktime']['stts_framecount'] as $key => $samples_count) {
139	$samples_per_second = $samples_count / $info['playtime_seconds'];
140	if ($samples_per_second > 240) {
141	// has to be audio samples
142	} else {
143	$info['video']['frame_rate'] = $samples_per_second;
144	break;
145	}
146	}
147	}
148	if (($info['audio']['dataformat'] == 'mp4') && empty($info['video']['resolution_x'])) {
149	$info['fileformat'] = 'mp4';
150	$info['mime_type'] = 'audio/mp4';
151	unset($info['video']['dataformat']);
152	}
153
154	if (!$this->ReturnAtomData) {
155	unset($info['quicktime']['moov']);
156	}
157
158	if (empty($info['audio']['dataformat']) && !empty($info['quicktime']['audio'])) {
159	$info['audio']['dataformat'] = 'quicktime';
160	}
161	if (empty($info['video']['dataformat']) && !empty($info['quicktime']['video'])) {
162	$info['video']['dataformat'] = 'quicktime';
163	}
164
165	return true;
166	}
167
168	public function QuicktimeParseAtom($atomname, $atomsize, $atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
169	// http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm
170
171	$info = &$this->getid3->info;
172
173	$atom_parent = array_pop($atomHierarchy);
174	array_push($atomHierarchy, $atomname);
175	$atom_structure['hierarchy'] = implode(' ', $atomHierarchy);
176	$atom_structure['name'] = $atomname;
177	$atom_structure['size'] = $atomsize;
178	$atom_structure['offset'] = $baseoffset;
179	//echo getid3_lib::PrintHexBytes(substr($atom_data, 0, 8)).'<br>';
180	//echo getid3_lib::PrintHexBytes(substr($atom_data, 0, 8), false).'<br><br>';
181	switch ($atomname) {
182	case 'moov': // MOVie container atom
183	case 'trak': // TRAcK container atom
184	case 'clip': // CLIPping container atom
185	case 'matt': // track MATTe container atom
186	case 'edts': // EDiTS container atom
187	case 'tref': // Track REFerence container atom
188	case 'mdia': // MeDIA container atom
189	case 'minf': // Media INFormation container atom
190	case 'dinf': // Data INFormation container atom
191	case 'udta': // User DaTA container atom
192	case 'cmov': // Compressed MOVie container atom
193	case 'rmra': // Reference Movie Record Atom
194	case 'rmda': // Reference Movie Descriptor Atom
195	case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR)
196	$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
197	break;
198
199	case 'ilst': // Item LiST container atom
200	$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
201
202	// some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted
203	$allnumericnames = true;
204	foreach ($atom_structure['subatoms'] as $subatomarray) {
205	if (!is_integer($subatomarray['name']) \|\| (count($subatomarray['subatoms']) != 1)) {
206	$allnumericnames = false;
207	break;
208	}
209	}
210	if ($allnumericnames) {
211	$newData = array();
212	foreach ($atom_structure['subatoms'] as $subatomarray) {
213	foreach ($subatomarray['subatoms'] as $newData_subatomarray) {
214	unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']);
215	$newData[$subatomarray['name']] = $newData_subatomarray;
216	break;
217	}
218	}
219	$atom_structure['data'] = $newData;
220	unset($atom_structure['subatoms']);
221	}
222	break;
223
224	case "\x00\x00\x00\x01":
225	case "\x00\x00\x00\x02":
226	case "\x00\x00\x00\x03":
227	case "\x00\x00\x00\x04":
228	case "\x00\x00\x00\x05":
229	$atomname = getid3_lib::BigEndian2Int($atomname);
230	$atom_structure['name'] = $atomname;
231	$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
232	break;
233
234	case 'stbl': // Sample TaBLe container atom
235	$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
236	$isVideo = false;
237	$framerate = 0;
238	$framecount = 0;
239	foreach ($atom_structure['subatoms'] as $key => $value_array) {
240	if (isset($value_array['sample_description_table'])) {
241	foreach ($value_array['sample_description_table'] as $key2 => $value_array2) {
242	if (isset($value_array2['data_format'])) {
243	switch ($value_array2['data_format']) {
244	case 'avc1':
245	case 'mp4v':
246	// video data
247	$isVideo = true;
248	break;
249	case 'mp4a':
250	// audio data
251	break;
252	}
253	}
254	}
255	} elseif (isset($value_array['time_to_sample_table'])) {
256	foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) {
257	if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && ($value_array2['sample_duration'] > 0)) {
258	$framerate = round($info['quicktime']['time_scale'] / $value_array2['sample_duration'], 3);
259	$framecount = $value_array2['sample_count'];
260	}
261	}
262	}
263	}
264	if ($isVideo && $framerate) {
265	$info['quicktime']['video']['frame_rate'] = $framerate;
266	$info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate'];
267	}
268	if ($isVideo && $framecount) {
269	$info['quicktime']['video']['frame_count'] = $framecount;
270	}
271	break;
272
273
274	case 'aART': // Album ARTist
275	case 'catg': // CaTeGory
276	case 'covr': // COVeR artwork
277	case 'cpil': // ComPILation
278	case 'cprt': // CoPyRighT
279	case 'desc': // DESCription
280	case 'disk': // DISK number
281	case 'egid': // Episode Global ID
282	case 'gnre': // GeNRE
283	case 'keyw': // KEYWord
284	case 'ldes':
285	case 'pcst': // PodCaST
286	case 'pgap': // GAPless Playback
287	case 'purd': // PURchase Date
288	case 'purl': // Podcast URL
289	case 'rati':
290	case 'rndu':
291	case 'rpdu':
292	case 'rtng': // RaTiNG
293	case 'stik':
294	case 'tmpo': // TeMPO (BPM)
295	case 'trkn': // TRacK Number
296	case 'tves': // TV EpiSode
297	case 'tvnn': // TV Network Name
298	case 'tvsh': // TV SHow Name
299	case 'tvsn': // TV SeasoN
300	case 'akID': // iTunes store account type
301	case 'apID':
302	case 'atID':
303	case 'cmID':
304	case 'cnID':
305	case 'geID':
306	case 'plID':
307	case 'sfID': // iTunes store country
308	case '©alb': // ALBum
309	case '©art': // ARTist
310	case '©ART':
311	case '©aut':
312	case '©cmt': // CoMmenT
313	case '©com': // COMposer
314	case '©cpy':
315	case '©day': // content created year
316	case '©dir':
317	case '©ed1':
318	case '©ed2':
319	case '©ed3':
320	case '©ed4':
321	case '©ed5':
322	case '©ed6':
323	case '©ed7':
324	case '©ed8':
325	case '©ed9':
326	case '©enc':
327	case '©fmt':
328	case '©gen': // GENre
329	case '©grp': // GRouPing
330	case '©hst':
331	case '©inf':
332	case '©lyr': // LYRics
333	case '©mak':
334	case '©mod':
335	case '©nam': // full NAMe
336	case '©ope':
337	case '©PRD':
338	case '©prd':
339	case '©prf':
340	case '©req':
341	case '©src':
342	case '©swr':
343	case '©too': // encoder
344	case '©trk': // TRacK
345	case '©url':
346	case '©wrn':
347	case '©wrt': // WRiTer
348	case '----': // itunes specific
349	if ($atom_parent == 'udta') {
350	// User data atom handler
351	$atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
352	$atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2));
353	$atom_structure['data'] = substr($atom_data, 4);
354
355	$atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
356	if (empty($info['comments']['language']) \|\| (!in_array($atom_structure['language'], $info['comments']['language']))) {
357	$info['comments']['language'][] = $atom_structure['language'];
358	}
359	} else {
360	// Apple item list box atom handler
361	$atomoffset = 0;
362	if (substr($atom_data, 2, 2) == "\x10\xB5") {
363	// not sure what it means, but observed on iPhone4 data.
364	// Each $atom_data has 2 bytes of datasize, plus 0x10B5, then data
365	while ($atomoffset < strlen($atom_data)) {
366	$boxsmallsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 2));
367	$boxsmalltype = substr($atom_data, $atomoffset + 2, 2);
368	$boxsmalldata = substr($atom_data, $atomoffset + 4, $boxsmallsize);
369	switch ($boxsmalltype) {
370	case "\x10\xB5":
371	$atom_structure['data'] = $boxsmalldata;
372	break;
373	default:
374	$info['warning'][] = 'Unknown QuickTime smallbox type: "'.getid3_lib::PrintHexBytes($boxsmalltype).'" at offset '.$baseoffset;
375	$atom_structure['data'] = $atom_data;
376	break;
377	}
378	$atomoffset += (4 + $boxsmallsize);
379	}
380	} else {
381	while ($atomoffset < strlen($atom_data)) {
382	$boxsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 4));
383	$boxtype = substr($atom_data, $atomoffset + 4, 4);
384	$boxdata = substr($atom_data, $atomoffset + 8, $boxsize - 8);
385	if ($boxsize <= 1) {
386	$info['warning'][] = 'Invalid QuickTime atom box size "'.$boxsize.'" in atom "'.$atomname.'" at offset: '.($atom_structure['offset'] + $atomoffset);
387	$atom_structure['data'] = null;
388	$atomoffset = strlen($atom_data);
389	break;
390	}
391	$atomoffset += $boxsize;
392
393	switch ($boxtype) {
394	case 'mean':
395	case 'name':
396	$atom_structure[$boxtype] = substr($boxdata, 4);
397	break;
398
399	case 'data':
400	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($boxdata, 0, 1));
401	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($boxdata, 1, 3));
402	switch ($atom_structure['flags_raw']) {
403	case 0: // data flag
404	case 21: // tmpo/cpil flag
405	switch ($atomname) {
406	case 'cpil':
407	case 'pcst':
408	case 'pgap':
409	$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
410	break;
411
412	case 'tmpo':
413	$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2));
414	break;
415
416	case 'disk':
417	case 'trkn':
418	$num = getid3_lib::BigEndian2Int(substr($boxdata, 10, 2));
419	$num_total = getid3_lib::BigEndian2Int(substr($boxdata, 12, 2));
420	$atom_structure['data'] = empty($num) ? '' : $num;
421	$atom_structure['data'] .= empty($num_total) ? '' : '/'.$num_total;
422	break;
423
424	case 'gnre':
425	$GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
426	$atom_structure['data'] = getid3_id3v1::LookupGenreName($GenreID - 1);
427	break;
428
429	case 'rtng':
430	$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
431	$atom_structure['data'] = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]);
432	break;
433
434	case 'stik':
435	$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
436	$atom_structure['data'] = $this->QuicktimeSTIKLookup($atom_structure[$atomname]);
437	break;
438
439	case 'sfID':
440	$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
441	$atom_structure['data'] = $this->QuicktimeStoreFrontCodeLookup($atom_structure[$atomname]);
442	break;
443
444	case 'egid':
445	case 'purl':
446	$atom_structure['data'] = substr($boxdata, 8);
447	break;
448
449	default:
450	$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
451	}
452	break;
453
454	case 1: // text flag
455	case 13: // image flag
456	default:
457	$atom_structure['data'] = substr($boxdata, 8);
458	break;
459
460	}
461	break;
462
463	default:
464	$info['warning'][] = 'Unknown QuickTime box type: "'.getid3_lib::PrintHexBytes($boxtype).'" at offset '.$baseoffset;
465	$atom_structure['data'] = $atom_data;
466
467	}
468	}
469	}
470	}
471	$this->CopyToAppropriateCommentsSection($atomname, $atom_structure['data'], $atom_structure['name']);
472	break;
473
474
475	case 'play': // auto-PLAY atom
476	$atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
477
478	$info['quicktime']['autoplay'] = $atom_structure['autoplay'];
479	break;
480
481
482	case 'WLOC': // Window LOCation atom
483	$atom_structure['location_x'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
484	$atom_structure['location_y'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2));
485	break;
486
487
488	case 'LOOP': // LOOPing atom
489	case 'SelO': // play SELection Only atom
490	case 'AllF': // play ALL Frames atom
491	$atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data);
492	break;
493
494
495	case 'name': //
496	case 'MCPS': // Media Cleaner PRo
497	case '@PRM': // adobe PReMiere version
498	case '@PRQ': // adobe PRemiere Quicktime version
499	$atom_structure['data'] = $atom_data;
500	break;
501
502
503	case 'cmvd': // Compressed MooV Data atom
504	// Code by ubergeekØubergeek*tv based on information from
505	// http://developer.apple.com/quicktime/icefloe/dispatch012.html
506	$atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
507
508	$CompressedFileData = substr($atom_data, 4);
509	if ($UncompressedHeader = @gzuncompress($CompressedFileData)) {
510	$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, 0, $atomHierarchy, $ParseAllPossibleAtoms);
511	} else {
512	$info['warning'][] = 'Error decompressing compressed MOV atom at offset '.$atom_structure['offset'];
513	}
514	break;
515
516
517	case 'dcom': // Data COMpression atom
518	$atom_structure['compression_id'] = $atom_data;
519	$atom_structure['compression_text'] = $this->QuicktimeDCOMLookup($atom_data);
520	break;
521
522
523	case 'rdrf': // Reference movie Data ReFerence atom
524	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
525	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
526	$atom_structure['flags']['internal_data'] = (bool) ($atom_structure['flags_raw'] & 0x000001);
527
528	$atom_structure['reference_type_name'] = substr($atom_data, 4, 4);
529	$atom_structure['reference_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
530	switch ($atom_structure['reference_type_name']) {
531	case 'url ':
532	$atom_structure['url'] = $this->NoNullString(substr($atom_data, 12));
533	break;
534
535	case 'alis':
536	$atom_structure['file_alias'] = substr($atom_data, 12);
537	break;
538
539	case 'rsrc':
540	$atom_structure['resource_alias'] = substr($atom_data, 12);
541	break;
542
543	default:
544	$atom_structure['data'] = substr($atom_data, 12);
545	break;
546	}
547	break;
548
549
550	case 'rmqu': // Reference Movie QUality atom
551	$atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data);
552	break;
553
554
555	case 'rmcs': // Reference Movie Cpu Speed atom
556	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
557	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
558	$atom_structure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2));
559	break;
560
561
562	case 'rmvc': // Reference Movie Version Check atom
563	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
564	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
565	$atom_structure['gestalt_selector'] = substr($atom_data, 4, 4);
566	$atom_structure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
567	$atom_structure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
568	$atom_structure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2));
569	break;
570
571
572	case 'rmcd': // Reference Movie Component check atom
573	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
574	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
575	$atom_structure['component_type'] = substr($atom_data, 4, 4);
576	$atom_structure['component_subtype'] = substr($atom_data, 8, 4);
577	$atom_structure['component_manufacturer'] = substr($atom_data, 12, 4);
578	$atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
579	$atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
580	$atom_structure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 4));
581	break;
582
583
584	case 'rmdr': // Reference Movie Data Rate atom
585	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
586	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
587	$atom_structure['data_rate'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
588
589	$atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10;
590	break;
591
592
593	case 'rmla': // Reference Movie Language Atom
594	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
595	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
596	$atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2));
597
598	$atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
599	if (empty($info['comments']['language']) \|\| (!in_array($atom_structure['language'], $info['comments']['language']))) {
600	$info['comments']['language'][] = $atom_structure['language'];
601	}
602	break;
603
604
605	case 'rmla': // Reference Movie Language Atom
606	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
607	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
608	$atom_structure['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2));
609	break;
610
611
612	case 'ptv ': // Print To Video - defines a movie's full screen mode
613	// http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm
614	$atom_structure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
615	$atom_structure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); // hardcoded: 0x0000
616	$atom_structure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x0000
617	$atom_structure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 1));
618	$atom_structure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 7, 1));
619
620	$atom_structure['flags']['play_on_open'] = (bool) $atom_structure['play_on_open_flag'];
621	$atom_structure['flags']['slide_show'] = (bool) $atom_structure['slide_show_flag'];
622
623	$ptv_lookup[0] = 'normal';
624	$ptv_lookup[1] = 'double';
625	$ptv_lookup[2] = 'half';
626	$ptv_lookup[3] = 'full';
627	$ptv_lookup[4] = 'current';
628	if (isset($ptv_lookup[$atom_structure['display_size_raw']])) {
629	$atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']];
630	} else {
631	$info['warning'][] = 'unknown "ptv " display constant ('.$atom_structure['display_size_raw'].')';
632	}
633	break;
634
635
636	case 'stsd': // Sample Table Sample Description atom
637	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
638	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
639	$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
640	$stsdEntriesDataOffset = 8;
641	for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
642	$atom_structure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 4));
643	$stsdEntriesDataOffset += 4;
644	$atom_structure['sample_description_table'][$i]['data_format'] = substr($atom_data, $stsdEntriesDataOffset, 4);
645	$stsdEntriesDataOffset += 4;
646	$atom_structure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 6));
647	$stsdEntriesDataOffset += 6;
648	$atom_structure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 2));
649	$stsdEntriesDataOffset += 2;
650	$atom_structure['sample_description_table'][$i]['data'] = substr($atom_data, $stsdEntriesDataOffset, ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2));
651	$stsdEntriesDataOffset += ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2);
652
653	$atom_structure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 0, 2));
654	$atom_structure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 2, 2));
655	$atom_structure['sample_description_table'][$i]['encoder_vendor'] = substr($atom_structure['sample_description_table'][$i]['data'], 4, 4);
656
657	switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) {
658
659	case "\x00\x00\x00\x00":
660	// audio atom
661	$atom_structure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 2));
662	$atom_structure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 10, 2));
663	$atom_structure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 2));
664	$atom_structure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 14, 2));
665	$atom_structure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16, 4));
666
667	switch ($atom_structure['sample_description_table'][$i]['data_format']) {
668	case 'avc1':
669	case 'mp4v':
670	$info['fileformat'] = 'mp4';
671	$info['video']['fourcc'] = $atom_structure['sample_description_table'][$i]['data_format'];
672	//$info['warning'][] = 'This version of getID3() ['.$this->getid3->version().'] does not fully support MPEG-4 audio/video streams'; // 2011-02-18: why am I warning about this again? What's not supported?
673	break;
674
675	case 'qtvr':
676	$info['video']['dataformat'] = 'quicktimevr';
677	break;
678
679	case 'mp4a':
680	default:
681	$info['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']);
682	$info['quicktime']['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate'];
683	$info['quicktime']['audio']['channels'] = $atom_structure['sample_description_table'][$i]['audio_channels'];
684	$info['quicktime']['audio']['bit_depth'] = $atom_structure['sample_description_table'][$i]['audio_bit_depth'];
685	$info['audio']['codec'] = $info['quicktime']['audio']['codec'];
686	$info['audio']['sample_rate'] = $info['quicktime']['audio']['sample_rate'];
687	$info['audio']['channels'] = $info['quicktime']['audio']['channels'];
688	$info['audio']['bits_per_sample'] = $info['quicktime']['audio']['bit_depth'];
689	switch ($atom_structure['sample_description_table'][$i]['data_format']) {
690	case 'raw ': // PCM
691	case 'alac': // Apple Lossless Audio Codec
692	$info['audio']['lossless'] = true;
693	break;
694	default:
695	$info['audio']['lossless'] = false;
696	break;
697	}
698	break;
699	}
700	break;
701
702	default:
703	switch ($atom_structure['sample_description_table'][$i]['data_format']) {
704	case 'mp4s':
705	$info['fileformat'] = 'mp4';
706	break;
707
708	default:
709	// video atom
710	$atom_structure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4));
711	$atom_structure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4));
712	$atom_structure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2));
713	$atom_structure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2));
714	$atom_structure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20, 4));
715	$atom_structure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4));
716	$atom_structure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4));
717	$atom_structure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 2));
718	$atom_structure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 34, 1));
719	$atom_structure['sample_description_table'][$i]['video_encoder_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']);
720	$atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66, 2));
721	$atom_structure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68, 2));
722
723	$atom_structure['sample_description_table'][$i]['video_pixel_color_type'] = (($atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color');
724	$atom_structure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']);
725
726	if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') {
727	$info['quicktime']['video']['codec_fourcc'] = $atom_structure['sample_description_table'][$i]['data_format'];
728	$info['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']);
729	$info['quicktime']['video']['codec'] = (($atom_structure['sample_description_table'][$i]['video_encoder_name_len'] > 0) ? $atom_structure['sample_description_table'][$i]['video_encoder_name'] : $atom_structure['sample_description_table'][$i]['data_format']);
730	$info['quicktime']['video']['color_depth'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'];
731	$info['quicktime']['video']['color_depth_name'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_name'];
732
733	$info['video']['codec'] = $info['quicktime']['video']['codec'];
734	$info['video']['bits_per_sample'] = $info['quicktime']['video']['color_depth'];
735	}
736	$info['video']['lossless'] = false;
737	$info['video']['pixel_aspect_ratio'] = (float) 1;
738	break;
739	}
740	break;
741	}
742	switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) {
743	case 'mp4a':
744	$info['audio']['dataformat'] = 'mp4';
745	$info['quicktime']['audio']['codec'] = 'mp4';
746	break;
747
748	case '3ivx':
749	case '3iv1':
750	case '3iv2':
751	$info['video']['dataformat'] = '3ivx';
752	break;
753
754	case 'xvid':
755	$info['video']['dataformat'] = 'xvid';
756	break;
757
758	case 'mp4v':
759	$info['video']['dataformat'] = 'mpeg4';
760	break;
761
762	case 'divx':
763	case 'div1':
764	case 'div2':
765	case 'div3':
766	case 'div4':
767	case 'div5':
768	case 'div6':
769	$info['video']['dataformat'] = 'divx';
770	break;
771
772	default:
773	// do nothing
774	break;
775	}
776	unset($atom_structure['sample_description_table'][$i]['data']);
777	}
778	break;
779
780
781	case 'stts': // Sample Table Time-to-Sample atom
782	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
783	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
784	$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
785	$sttsEntriesDataOffset = 8;
786	//$FrameRateCalculatorArray = array();
787	$frames_count = 0;
788	for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
789	$atom_structure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4));
790	$sttsEntriesDataOffset += 4;
791	$atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4));
792	$sttsEntriesDataOffset += 4;
793
794	$frames_count += $atom_structure['time_to_sample_table'][$i]['sample_count'];
795
796	// THIS SECTION REPLACED WITH CODE IN "stbl" ATOM
797	//if (!empty($info['quicktime']['time_scale']) && ($atom_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) {
798	// $stts_new_framerate = $info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'];
799	// if ($stts_new_framerate <= 60) {
800	// // some atoms have durations of "1" giving a very large framerate, which probably is not right
801	// $info['video']['frame_rate'] = max($info['video']['frame_rate'], $stts_new_framerate);
802	// }
803	//}
804	//
805	//$FrameRateCalculatorArray[($info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count'];
806	}
807	$info['quicktime']['stts_framecount'][] = $frames_count;
808	//$sttsFramesTotal = 0;
809	//$sttsSecondsTotal = 0;
810	//foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) {
811	// if (($frames_per_second > 60) \|\| ($frames_per_second < 1)) {
812	// // not video FPS information, probably audio information
813	// $sttsFramesTotal = 0;
814	// $sttsSecondsTotal = 0;
815	// break;
816	// }
817	// $sttsFramesTotal += $frame_count;
818	// $sttsSecondsTotal += $frame_count / $frames_per_second;
819	//}
820	//if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) {
821	// if (($sttsFramesTotal / $sttsSecondsTotal) > $info['video']['frame_rate']) {
822	// $info['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal;
823	// }
824	//}
825	break;
826
827
828	case 'stss': // Sample Table Sync Sample (key frames) atom
829	if ($ParseAllPossibleAtoms) {
830	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
831	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
832	$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
833	$stssEntriesDataOffset = 8;
834	for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
835	$atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stssEntriesDataOffset, 4));
836	$stssEntriesDataOffset += 4;
837	}
838	}
839	break;
840
841
842	case 'stsc': // Sample Table Sample-to-Chunk atom
843	if ($ParseAllPossibleAtoms) {
844	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
845	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
846	$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
847	$stscEntriesDataOffset = 8;
848	for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
849	$atom_structure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
850	$stscEntriesDataOffset += 4;
851	$atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
852	$stscEntriesDataOffset += 4;
853	$atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
854	$stscEntriesDataOffset += 4;
855	}
856	}
857	break;
858
859
860	case 'stsz': // Sample Table SiZe atom
861	if ($ParseAllPossibleAtoms) {
862	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
863	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
864	$atom_structure['sample_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
865	$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
866	$stszEntriesDataOffset = 12;
867	if ($atom_structure['sample_size'] == 0) {
868	for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
869	$atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4));
870	$stszEntriesDataOffset += 4;
871	}
872	}
873	}
874	break;
875
876
877	case 'stco': // Sample Table Chunk Offset atom
878	if ($ParseAllPossibleAtoms) {
879	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
880	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
881	$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
882	$stcoEntriesDataOffset = 8;
883	for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
884	$atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4));
885	$stcoEntriesDataOffset += 4;
886	}
887	}
888	break;
889
890
891	case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files)
892	if ($ParseAllPossibleAtoms) {
893	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
894	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
895	$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
896	$stcoEntriesDataOffset = 8;
897	for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
898	$atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8));
899	$stcoEntriesDataOffset += 8;
900	}
901	}
902	break;
903
904
905	case 'dref': // Data REFerence atom
906	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
907	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
908	$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
909	$drefDataOffset = 8;
910	for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
911	$atom_structure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 4));
912	$drefDataOffset += 4;
913	$atom_structure['data_references'][$i]['type'] = substr($atom_data, $drefDataOffset, 4);
914	$drefDataOffset += 4;
915	$atom_structure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 1));
916	$drefDataOffset += 1;
917	$atom_structure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 3)); // hardcoded: 0x0000
918	$drefDataOffset += 3;
919	$atom_structure['data_references'][$i]['data'] = substr($atom_data, $drefDataOffset, ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3));
920	$drefDataOffset += ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3);
921
922	$atom_structure['data_references'][$i]['flags']['self_reference'] = (bool) ($atom_structure['data_references'][$i]['flags_raw'] & 0x001);
923	}
924	break;
925
926
927	case 'gmin': // base Media INformation atom
928	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
929	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
930	$atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2));
931	$atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2));
932	$atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2));
933	$atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2));
934	$atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 2));
935	$atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2));
936	break;
937
938
939	case 'smhd': // Sound Media information HeaDer atom
940	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
941	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
942	$atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2));
943	$atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2));
944	break;
945
946
947	case 'vmhd': // Video Media information HeaDer atom
948	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
949	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
950	$atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2));
951	$atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2));
952	$atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2));
953	$atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2));
954
955	$atom_structure['flags']['no_lean_ahead'] = (bool) ($atom_structure['flags_raw'] & 0x001);
956	break;
957
958
959	case 'hdlr': // HanDLeR reference atom
960	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
961	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
962	$atom_structure['component_type'] = substr($atom_data, 4, 4);
963	$atom_structure['component_subtype'] = substr($atom_data, 8, 4);
964	$atom_structure['component_manufacturer'] = substr($atom_data, 12, 4);
965	$atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
966	$atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
967	$atom_structure['component_name'] = $this->Pascal2String(substr($atom_data, 24));
968
969	if (($atom_structure['component_subtype'] == 'STpn') && ($atom_structure['component_manufacturer'] == 'zzzz')) {
970	$info['video']['dataformat'] = 'quicktimevr';
971	}
972	break;
973
974
975	case 'mdhd': // MeDia HeaDer atom
976	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
977	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
978	$atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
979	$atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
980	$atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
981	$atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
982	$atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 2));
983	$atom_structure['quality'] = getid3_lib::BigEndian2Int(substr($atom_data, 22, 2));
984
985	if ($atom_structure['time_scale'] == 0) {
986	$info['error'][] = 'Corrupt Quicktime file: mdhd.time_scale == zero';
987	return false;
988	}
989	$info['quicktime']['time_scale'] = (isset($info['quicktime']['time_scale']) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']);
990
991	$atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
992	$atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
993	$atom_structure['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale'];
994	$atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
995	if (empty($info['comments']['language']) \|\| (!in_array($atom_structure['language'], $info['comments']['language']))) {
996	$info['comments']['language'][] = $atom_structure['language'];
997	}
998	break;
999
1000
1001	case 'pnot': // Preview atom
1002	$atom_structure['modification_date'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // "standard Macintosh format"
1003	$atom_structure['version_number'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x00
1004	$atom_structure['atom_type'] = substr($atom_data, 6, 4); // usually: 'PICT'
1005	$atom_structure['atom_index'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); // usually: 0x01
1006
1007	$atom_structure['modification_date_unix'] = getid3_lib::DateMac2Unix($atom_structure['modification_date']);
1008	break;
1009
1010
1011	case 'crgn': // Clipping ReGioN atom
1012	$atom_structure['region_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); // The Region size, Region boundary box,
1013	$atom_structure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 8)); // and Clipping region data fields
1014	$atom_structure['clipping_data'] = substr($atom_data, 10); // constitute a QuickDraw region.
1015	break;
1016
1017
1018	case 'load': // track LOAD settings atom
1019	$atom_structure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
1020	$atom_structure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
1021	$atom_structure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
1022	$atom_structure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
1023
1024	$atom_structure['default_hints']['double_buffer'] = (bool) ($atom_structure['default_hints_raw'] & 0x0020);
1025	$atom_structure['default_hints']['high_quality'] = (bool) ($atom_structure['default_hints_raw'] & 0x0100);
1026	break;
1027
1028
1029	case 'tmcd': // TiMe CoDe atom
1030	case 'chap': // CHAPter list atom
1031	case 'sync': // SYNChronization atom
1032	case 'scpt': // tranSCriPT atom
1033	case 'ssrc': // non-primary SouRCe atom
1034	for ($i = 0; $i < (strlen($atom_data) % 4); $i++) {
1035	$atom_structure['track_id'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $i * 4, 4));
1036	}
1037	break;
1038
1039
1040	case 'elst': // Edit LiST atom
1041	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
1042	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
1043	$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
1044	for ($i = 0; $i < $atom_structure['number_entries']; $i++ ) {
1045	$atom_structure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 0, 4));
1046	$atom_structure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 4, 4));
1047	$atom_structure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 8 + ($i * 12) + 8, 4));
1048	}
1049	break;
1050
1051
1052	case 'kmat': // compressed MATte atom
1053	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
1054	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
1055	$atom_structure['matte_data_raw'] = substr($atom_data, 4);
1056	break;
1057
1058
1059	case 'ctab': // Color TABle atom
1060	$atom_structure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // hardcoded: 0x00000000
1061	$atom_structure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x8000
1062	$atom_structure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)) + 1;
1063	for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) {
1064	$atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 0, 2));
1065	$atom_structure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 2, 2));
1066	$atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 4, 2));
1067	$atom_structure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 6, 2));
1068	}
1069	break;
1070
1071
1072	case 'mvhd': // MoVie HeaDer atom
1073	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
1074	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
1075	$atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
1076	$atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
1077	$atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
1078	$atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
1079	$atom_structure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 20, 4));
1080	$atom_structure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 24, 2));
1081	$atom_structure['reserved'] = substr($atom_data, 26, 10);
1082	$atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 36, 4));
1083	$atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4));
1084	$atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 44, 4));
1085	$atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4));
1086	$atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4));
1087	$atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 56, 4));
1088	$atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4));
1089	$atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4));
1090	$atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4));
1091	$atom_structure['preview_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 72, 4));
1092	$atom_structure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 76, 4));
1093	$atom_structure['poster_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 80, 4));
1094	$atom_structure['selection_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 84, 4));
1095	$atom_structure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 88, 4));
1096	$atom_structure['current_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 92, 4));
1097	$atom_structure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 96, 4));
1098
1099	if ($atom_structure['time_scale'] == 0) {
1100	$info['error'][] = 'Corrupt Quicktime file: mvhd.time_scale == zero';
1101	return false;
1102	}
1103	$atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
1104	$atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
1105	$info['quicktime']['time_scale'] = (isset($info['quicktime']['time_scale']) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']);
1106	$info['quicktime']['display_scale'] = $atom_structure['matrix_a'];
1107	$info['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale'];
1108	break;
1109
1110
1111	case 'tkhd': // TracK HeaDer atom
1112	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
1113	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
1114	$atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
1115	$atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
1116	$atom_structure['trackid'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
1117	$atom_structure['reserved1'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
1118	$atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
1119	$atom_structure['reserved2'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 8));
1120	$atom_structure['layer'] = getid3_lib::BigEndian2Int(substr($atom_data, 32, 2));
1121	$atom_structure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atom_data, 34, 2));
1122	$atom_structure['volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 36, 2));
1123	$atom_structure['reserved3'] = getid3_lib::BigEndian2Int(substr($atom_data, 38, 2));
1124	$atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4));
1125	$atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 44, 4));
1126	$atom_structure['matrix_u'] = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4));
1127	$atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4));
1128	$atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 56, 4));
1129	$atom_structure['matrix_v'] = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4));
1130	$atom_structure['matrix_x'] = getid3_lib::FixedPoint2_30(substr($atom_data, 64, 4));
1131	$atom_structure['matrix_y'] = getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4));
1132	$atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 72, 4));
1133	$atom_structure['width'] = getid3_lib::FixedPoint16_16(substr($atom_data, 76, 4));
1134	$atom_structure['height'] = getid3_lib::FixedPoint16_16(substr($atom_data, 80, 4));
1135
1136	$atom_structure['flags']['enabled'] = (bool) ($atom_structure['flags_raw'] & 0x0001);
1137	$atom_structure['flags']['in_movie'] = (bool) ($atom_structure['flags_raw'] & 0x0002);
1138	$atom_structure['flags']['in_preview'] = (bool) ($atom_structure['flags_raw'] & 0x0004);
1139	$atom_structure['flags']['in_poster'] = (bool) ($atom_structure['flags_raw'] & 0x0008);
1140	$atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
1141	$atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
1142
1143	if ($atom_structure['flags']['enabled'] == 1) {
1144	if (!isset($info['video']['resolution_x']) \|\| !isset($info['video']['resolution_y'])) {
1145	$info['video']['resolution_x'] = $atom_structure['width'];
1146	$info['video']['resolution_y'] = $atom_structure['height'];
1147	}
1148	$info['video']['resolution_x'] = max($info['video']['resolution_x'], $atom_structure['width']);
1149	$info['video']['resolution_y'] = max($info['video']['resolution_y'], $atom_structure['height']);
1150	$info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x'];
1151	$info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y'];
1152	} else {
1153	// see: http://www.getid3.org/phpBB3/viewtopic.php?t=1295
1154	//if (isset($info['video']['resolution_x'])) { unset($info['video']['resolution_x']); }
1155	//if (isset($info['video']['resolution_y'])) { unset($info['video']['resolution_y']); }
1156	//if (isset($info['quicktime']['video'])) { unset($info['quicktime']['video']); }
1157	}
1158	break;
1159
1160
1161	case 'iods': // Initial Object DeScriptor atom
1162	// http://www.koders.com/c/fid1FAB3E762903DC482D8A246D4A4BF9F28E049594.aspx?s=windows.h
1163	// http://libquicktime.sourcearchive.com/documentation/1.0.2plus-pdebian/iods_8c-source.html
1164	$offset = 0;
1165	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
1166	$offset += 1;
1167	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 3));
1168	$offset += 3;
1169	$atom_structure['mp4_iod_tag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
1170	$offset += 1;
1171	$atom_structure['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset);
1172	//$offset already adjusted by quicktime_read_mp4_descr_length()
1173	$atom_structure['object_descriptor_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2));
1174	$offset += 2;
1175	$atom_structure['od_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
1176	$offset += 1;
1177	$atom_structure['scene_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
1178	$offset += 1;
1179	$atom_structure['audio_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
1180	$offset += 1;
1181	$atom_structure['video_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
1182	$offset += 1;
1183	$atom_structure['graphics_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
1184	$offset += 1;
1185
1186	$atom_structure['num_iods_tracks'] = ($atom_structure['length'] - 7) / 6; // 6 bytes would only be right if all tracks use 1-byte length fields
1187	for ($i = 0; $i < $atom_structure['num_iods_tracks']; $i++) {
1188	$atom_structure['track'][$i]['ES_ID_IncTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
1189	$offset += 1;
1190	$atom_structure['track'][$i]['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset);
1191	//$offset already adjusted by quicktime_read_mp4_descr_length()
1192	$atom_structure['track'][$i]['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4));
1193	$offset += 4;
1194	}
1195
1196	$atom_structure['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']);
1197	$atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']);
1198	break;
1199
1200	case 'ftyp': // FileTYPe (?) atom (for MP4 it seems)
1201	$atom_structure['signature'] = substr($atom_data, 0, 4);
1202	$atom_structure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
1203	$atom_structure['fourcc'] = substr($atom_data, 8, 4);
1204	break;
1205
1206	case 'mdat': // Media DATa atom
1207	case 'free': // FREE space atom
1208	case 'skip': // SKIP atom
1209	case 'wide': // 64-bit expansion placeholder atom
1210	// 'mdat' data is too big to deal with, contains no useful metadata
1211	// 'free', 'skip' and 'wide' are just padding, contains no useful data at all
1212
1213	// When writing QuickTime files, it is sometimes necessary to update an atom's size.
1214	// It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom
1215	// is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime
1216	// puts an 8-byte placeholder atom before any atoms it may have to update the size of.
1217	// In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the
1218	// placeholder atom can be overwritten to obtain the necessary 8 extra bytes.
1219	// The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ).
1220	break;
1221
1222
1223	case 'nsav': // NoSAVe atom
1224	// http://developer.apple.com/technotes/tn/tn2038.html
1225	$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
1226	break;
1227
1228	case 'ctyp': // Controller TYPe atom (seen on QTVR)
1229	// http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt
1230	// some controller names are:
1231	// 0x00 + 'std' for linear movie
1232	// 'none' for no controls
1233	$atom_structure['ctyp'] = substr($atom_data, 0, 4);
1234	$info['quicktime']['controller'] = $atom_structure['ctyp'];
1235	switch ($atom_structure['ctyp']) {
1236	case 'qtvr':
1237	$info['video']['dataformat'] = 'quicktimevr';
1238	break;
1239	}
1240	break;
1241
1242	case 'pano': // PANOrama track (seen on QTVR)
1243	$atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
1244	break;
1245
1246	case 'hint': // HINT track
1247	case 'hinf': //
1248	case 'hinv': //
1249	case 'hnti': //
1250	$info['quicktime']['hinting'] = true;
1251	break;
1252
1253	case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR)
1254	for ($i = 0; $i < ($atom_structure['size'] - 8); $i += 4) {
1255	$atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4));
1256	}
1257	break;
1258
1259
1260	// Observed-but-not-handled atom types are just listed here to prevent warnings being generated
1261	case 'FXTC': // Something to do with Adobe After Effects (?)
1262	case 'PrmA':
1263	case 'code':
1264	case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html
1265	case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html
1266	// tapt seems to be used to compute the video size [http://www.getid3.org/phpBB3/viewtopic.php?t=838]
1267	// * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html
1268	// * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html
1269	case 'ctts':// STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
1270	case 'cslg':// STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
1271	case 'sdtp':// STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
1272	case 'stps':// STPartialSyncSampleAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
1273	//$atom_structure['data'] = $atom_data;
1274	break;
1275
1276	case '©xyz': // GPS latitude+longitude+altitude
1277	$atom_structure['data'] = $atom_data;
1278	if (preg_match('#([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)?/$#i', $atom_data, $matches)) {
1279	@list($all, $latitude, $longitude, $altitude) = $matches;
1280	$info['quicktime']['comments']['gps_latitude'][] = floatval($latitude);
1281	$info['quicktime']['comments']['gps_longitude'][] = floatval($longitude);
1282	if (!empty($altitude)) {
1283	$info['quicktime']['comments']['gps_altitude'][] = floatval($altitude);
1284	}
1285	} else {
1286	$info['warning'][] = 'QuickTime atom "©xyz" data does not match expected data pattern at offset '.$baseoffset.'. Please report as getID3() bug.';
1287	}
1288	break;
1289
1290	case 'NCDT':
1291	// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
1292	// Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100
1293	$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms);
1294	break;
1295	case 'NCTH': // Nikon Camera THumbnail image
1296	case 'NCVW': // Nikon Camera preVieW image
1297	// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
1298	if (preg_match('/^\xFF\xD8\xFF/', $atom_data)) {
1299	$atom_structure['data'] = $atom_data;
1300	$atom_structure['image_mime'] = 'image/jpeg';
1301	$atom_structure['description'] = (($atomname == 'NCTH') ? 'Nikon Camera Thumbnail Image' : (($atomname == 'NCVW') ? 'Nikon Camera Preview Image' : 'Nikon preview image'));
1302	$info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_data, 'description'=>$atom_structure['description']);
1303	}
1304	break;
1305	case 'NCHD': // MakerNoteVersion
1306	// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
1307	$atom_structure['data'] = $atom_data;
1308	break;
1309	case 'NCTG': // NikonTags
1310	// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG
1311	$atom_structure['data'] = $this->QuicktimeParseNikonNCTG($atom_data);
1312	break;
1313	case 'NCDB': // NikonTags
1314	// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
1315	$atom_structure['data'] = $atom_data;
1316	break;
1317
1318	case "\x00\x00\x00\x00":
1319	case 'meta': // METAdata atom
1320	// some kind of metacontainer, may contain a big data dump such as:
1321	// mdta keys mdtacom.apple.quicktime.make (mdtacom.apple.quicktime.creationdate ,mdtacom.apple.quicktime.location.ISO6709 $mdtacom.apple.quicktime.software !mdtacom.apple.quicktime.model ilst data DEApple 0 (data DE2011-05-11T17:54:04+0200 2 *data DE+52.4936+013.3897+040.247/ data DE4.3.1 data DEiPhone 4
1322	// http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt
1323
1324	$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
1325	$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
1326	$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom(substr($atom_data, 4), $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
1327	//$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
1328	break;
1329
1330	case 'data': // metaDATA atom
1331	// seems to be 2 bytes language code (ASCII), 2 bytes unknown (set to 0x10B5 in sample I have), remainder is useful data
1332	$atom_structure['language'] = substr($atom_data, 4 + 0, 2);
1333	$atom_structure['unknown'] = getid3_lib::BigEndian2Int(substr($atom_data, 4 + 2, 2));
1334	$atom_structure['data'] = substr($atom_data, 4 + 4);
1335	break;
1336
1337	default:
1338	$info['warning'][] = 'Unknown QuickTime atom type: "'.$atomname.'" ('.trim(getid3_lib::PrintHexBytes($atomname)).') at offset '.$baseoffset;
1339	$atom_structure['data'] = $atom_data;
1340	break;
1341	}
1342	array_pop($atomHierarchy);
1343	return $atom_structure;
1344	}
1345
1346	public function QuicktimeParseContainerAtom($atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
1347	//echo 'QuicktimeParseContainerAtom('.substr($atom_data, 4, 4).') @ '.$baseoffset.'<br><br>';
1348	$atom_structure = false;
1349	$subatomoffset = 0;
1350	$subatomcounter = 0;
1351	if ((strlen($atom_data) == 4) && (getid3_lib::BigEndian2Int($atom_data) == 0x00000000)) {
1352	return false;
1353	}
1354	while ($subatomoffset < strlen($atom_data)) {
1355	$subatomsize = getid3_lib::BigEndian2Int(substr($atom_data, $subatomoffset + 0, 4));
1356	$subatomname = substr($atom_data, $subatomoffset + 4, 4);
1357	$subatomdata = substr($atom_data, $subatomoffset + 8, $subatomsize - 8);
1358	if ($subatomsize == 0) {
1359	// Furthermore, for historical reasons the list of atoms is optionally
1360	// terminated by a 32-bit integer set to 0. If you are writing a program
1361	// to read user data atoms, you should allow for the terminating 0.
1362	return $atom_structure;
1363	}
1364
1365	$atom_structure[$subatomcounter] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms);
1366
1367	$subatomoffset += $subatomsize;
1368	$subatomcounter++;
1369	}
1370	return $atom_structure;
1371	}
1372
1373
1374	public function quicktime_read_mp4_descr_length($data, &$offset) {
1375	// http://libquicktime.sourcearchive.com/documentation/2:1.0.2plus-pdebian-2build1/esds_8c-source.html
1376	$num_bytes = 0;
1377	$length = 0;
1378	do {
1379	$b = ord(substr($data, $offset++, 1));
1380	$length = ($length << 7) \| ($b & 0x7F);
1381	} while (($b & 0x80) && ($num_bytes++ < 4));
1382	return $length;
1383	}
1384
1385
1386	public function QuicktimeLanguageLookup($languageid) {
1387	static $QuicktimeLanguageLookup = array();
1388	if (empty($QuicktimeLanguageLookup)) {
1389	$QuicktimeLanguageLookup[0] = 'English';
1390	$QuicktimeLanguageLookup[1] = 'French';
1391	$QuicktimeLanguageLookup[2] = 'German';
1392	$QuicktimeLanguageLookup[3] = 'Italian';
1393	$QuicktimeLanguageLookup[4] = 'Dutch';
1394	$QuicktimeLanguageLookup[5] = 'Swedish';
1395	$QuicktimeLanguageLookup[6] = 'Spanish';
1396	$QuicktimeLanguageLookup[7] = 'Danish';
1397	$QuicktimeLanguageLookup[8] = 'Portuguese';
1398	$QuicktimeLanguageLookup[9] = 'Norwegian';
1399	$QuicktimeLanguageLookup[10] = 'Hebrew';
1400	$QuicktimeLanguageLookup[11] = 'Japanese';
1401	$QuicktimeLanguageLookup[12] = 'Arabic';
1402	$QuicktimeLanguageLookup[13] = 'Finnish';
1403	$QuicktimeLanguageLookup[14] = 'Greek';
1404	$QuicktimeLanguageLookup[15] = 'Icelandic';
1405	$QuicktimeLanguageLookup[16] = 'Maltese';
1406	$QuicktimeLanguageLookup[17] = 'Turkish';
1407	$QuicktimeLanguageLookup[18] = 'Croatian';
1408	$QuicktimeLanguageLookup[19] = 'Chinese (Traditional)';
1409	$QuicktimeLanguageLookup[20] = 'Urdu';
1410	$QuicktimeLanguageLookup[21] = 'Hindi';
1411	$QuicktimeLanguageLookup[22] = 'Thai';
1412	$QuicktimeLanguageLookup[23] = 'Korean';
1413	$QuicktimeLanguageLookup[24] = 'Lithuanian';
1414	$QuicktimeLanguageLookup[25] = 'Polish';
1415	$QuicktimeLanguageLookup[26] = 'Hungarian';
1416	$QuicktimeLanguageLookup[27] = 'Estonian';
1417	$QuicktimeLanguageLookup[28] = 'Lettish';
1418	$QuicktimeLanguageLookup[28] = 'Latvian';
1419	$QuicktimeLanguageLookup[29] = 'Saamisk';
1420	$QuicktimeLanguageLookup[29] = 'Lappish';
1421	$QuicktimeLanguageLookup[30] = 'Faeroese';
1422	$QuicktimeLanguageLookup[31] = 'Farsi';
1423	$QuicktimeLanguageLookup[31] = 'Persian';
1424	$QuicktimeLanguageLookup[32] = 'Russian';
1425	$QuicktimeLanguageLookup[33] = 'Chinese (Simplified)';
1426	$QuicktimeLanguageLookup[34] = 'Flemish';
1427	$QuicktimeLanguageLookup[35] = 'Irish';
1428	$QuicktimeLanguageLookup[36] = 'Albanian';
1429	$QuicktimeLanguageLookup[37] = 'Romanian';
1430	$QuicktimeLanguageLookup[38] = 'Czech';
1431	$QuicktimeLanguageLookup[39] = 'Slovak';
1432	$QuicktimeLanguageLookup[40] = 'Slovenian';
1433	$QuicktimeLanguageLookup[41] = 'Yiddish';
1434	$QuicktimeLanguageLookup[42] = 'Serbian';
1435	$QuicktimeLanguageLookup[43] = 'Macedonian';
1436	$QuicktimeLanguageLookup[44] = 'Bulgarian';
1437	$QuicktimeLanguageLookup[45] = 'Ukrainian';
1438	$QuicktimeLanguageLookup[46] = 'Byelorussian';
1439	$QuicktimeLanguageLookup[47] = 'Uzbek';
1440	$QuicktimeLanguageLookup[48] = 'Kazakh';
1441	$QuicktimeLanguageLookup[49] = 'Azerbaijani';
1442	$QuicktimeLanguageLookup[50] = 'AzerbaijanAr';
1443	$QuicktimeLanguageLookup[51] = 'Armenian';
1444	$QuicktimeLanguageLookup[52] = 'Georgian';
1445	$QuicktimeLanguageLookup[53] = 'Moldavian';
1446	$QuicktimeLanguageLookup[54] = 'Kirghiz';
1447	$QuicktimeLanguageLookup[55] = 'Tajiki';
1448	$QuicktimeLanguageLookup[56] = 'Turkmen';
1449	$QuicktimeLanguageLookup[57] = 'Mongolian';
1450	$QuicktimeLanguageLookup[58] = 'MongolianCyr';
1451	$QuicktimeLanguageLookup[59] = 'Pashto';
1452	$QuicktimeLanguageLookup[60] = 'Kurdish';
1453	$QuicktimeLanguageLookup[61] = 'Kashmiri';
1454	$QuicktimeLanguageLookup[62] = 'Sindhi';
1455	$QuicktimeLanguageLookup[63] = 'Tibetan';
1456	$QuicktimeLanguageLookup[64] = 'Nepali';
1457	$QuicktimeLanguageLookup[65] = 'Sanskrit';
1458	$QuicktimeLanguageLookup[66] = 'Marathi';
1459	$QuicktimeLanguageLookup[67] = 'Bengali';
1460	$QuicktimeLanguageLookup[68] = 'Assamese';
1461	$QuicktimeLanguageLookup[69] = 'Gujarati';
1462	$QuicktimeLanguageLookup[70] = 'Punjabi';
1463	$QuicktimeLanguageLookup[71] = 'Oriya';
1464	$QuicktimeLanguageLookup[72] = 'Malayalam';
1465	$QuicktimeLanguageLookup[73] = 'Kannada';
1466	$QuicktimeLanguageLookup[74] = 'Tamil';
1467	$QuicktimeLanguageLookup[75] = 'Telugu';
1468	$QuicktimeLanguageLookup[76] = 'Sinhalese';
1469	$QuicktimeLanguageLookup[77] = 'Burmese';
1470	$QuicktimeLanguageLookup[78] = 'Khmer';
1471	$QuicktimeLanguageLookup[79] = 'Lao';
1472	$QuicktimeLanguageLookup[80] = 'Vietnamese';
1473	$QuicktimeLanguageLookup[81] = 'Indonesian';
1474	$QuicktimeLanguageLookup[82] = 'Tagalog';
1475	$QuicktimeLanguageLookup[83] = 'MalayRoman';
1476	$QuicktimeLanguageLookup[84] = 'MalayArabic';
1477	$QuicktimeLanguageLookup[85] = 'Amharic';
1478	$QuicktimeLanguageLookup[86] = 'Tigrinya';
1479	$QuicktimeLanguageLookup[87] = 'Galla';
1480	$QuicktimeLanguageLookup[87] = 'Oromo';
1481	$QuicktimeLanguageLookup[88] = 'Somali';
1482	$QuicktimeLanguageLookup[89] = 'Swahili';
1483	$QuicktimeLanguageLookup[90] = 'Ruanda';
1484	$QuicktimeLanguageLookup[91] = 'Rundi';
1485	$QuicktimeLanguageLookup[92] = 'Chewa';
1486	$QuicktimeLanguageLookup[93] = 'Malagasy';
1487	$QuicktimeLanguageLookup[94] = 'Esperanto';
1488	$QuicktimeLanguageLookup[128] = 'Welsh';
1489	$QuicktimeLanguageLookup[129] = 'Basque';
1490	$QuicktimeLanguageLookup[130] = 'Catalan';
1491	$QuicktimeLanguageLookup[131] = 'Latin';
1492	$QuicktimeLanguageLookup[132] = 'Quechua';
1493	$QuicktimeLanguageLookup[133] = 'Guarani';
1494	$QuicktimeLanguageLookup[134] = 'Aymara';
1495	$QuicktimeLanguageLookup[135] = 'Tatar';
1496	$QuicktimeLanguageLookup[136] = 'Uighur';
1497	$QuicktimeLanguageLookup[137] = 'Dzongkha';
1498	$QuicktimeLanguageLookup[138] = 'JavaneseRom';
1499	}
1500	return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid');
1501	}
1502
1503	public function QuicktimeVideoCodecLookup($codecid) {
1504	static $QuicktimeVideoCodecLookup = array();
1505	if (empty($QuicktimeVideoCodecLookup)) {
1506	$QuicktimeVideoCodecLookup['.SGI'] = 'SGI';
1507	$QuicktimeVideoCodecLookup['3IV1'] = '3ivx MPEG-4 v1';
1508	$QuicktimeVideoCodecLookup['3IV2'] = '3ivx MPEG-4 v2';
1509	$QuicktimeVideoCodecLookup['3IVX'] = '3ivx MPEG-4';
1510	$QuicktimeVideoCodecLookup['8BPS'] = 'Planar RGB';
1511	$QuicktimeVideoCodecLookup['avc1'] = 'H.264/MPEG-4 AVC';
1512	$QuicktimeVideoCodecLookup['avr '] = 'AVR-JPEG';
1513	$QuicktimeVideoCodecLookup['b16g'] = '16Gray';
1514	$QuicktimeVideoCodecLookup['b32a'] = '32AlphaGray';
1515	$QuicktimeVideoCodecLookup['b48r'] = '48RGB';
1516	$QuicktimeVideoCodecLookup['b64a'] = '64ARGB';
1517	$QuicktimeVideoCodecLookup['base'] = 'Base';
1518	$QuicktimeVideoCodecLookup['clou'] = 'Cloud';
1519	$QuicktimeVideoCodecLookup['cmyk'] = 'CMYK';
1520	$QuicktimeVideoCodecLookup['cvid'] = 'Cinepak';
1521	$QuicktimeVideoCodecLookup['dmb1'] = 'OpenDML JPEG';
1522	$QuicktimeVideoCodecLookup['dvc '] = 'DVC-NTSC';
1523	$QuicktimeVideoCodecLookup['dvcp'] = 'DVC-PAL';
1524	$QuicktimeVideoCodecLookup['dvpn'] = 'DVCPro-NTSC';
1525	$QuicktimeVideoCodecLookup['dvpp'] = 'DVCPro-PAL';
1526	$QuicktimeVideoCodecLookup['fire'] = 'Fire';
1527	$QuicktimeVideoCodecLookup['flic'] = 'FLC';
1528	$QuicktimeVideoCodecLookup['gif '] = 'GIF';
1529	$QuicktimeVideoCodecLookup['h261'] = 'H261';
1530	$QuicktimeVideoCodecLookup['h263'] = 'H263';
1531	$QuicktimeVideoCodecLookup['IV41'] = 'Indeo4';
1532	$QuicktimeVideoCodecLookup['jpeg'] = 'JPEG';
1533	$QuicktimeVideoCodecLookup['kpcd'] = 'PhotoCD';
1534	$QuicktimeVideoCodecLookup['mjpa'] = 'Motion JPEG-A';
1535	$QuicktimeVideoCodecLookup['mjpb'] = 'Motion JPEG-B';
1536	$QuicktimeVideoCodecLookup['msvc'] = 'Microsoft Video1';
1537	$QuicktimeVideoCodecLookup['myuv'] = 'MPEG YUV420';
1538	$QuicktimeVideoCodecLookup['path'] = 'Vector';
1539	$QuicktimeVideoCodecLookup['png '] = 'PNG';
1540	$QuicktimeVideoCodecLookup['PNTG'] = 'MacPaint';
1541	$QuicktimeVideoCodecLookup['qdgx'] = 'QuickDrawGX';
1542	$QuicktimeVideoCodecLookup['qdrw'] = 'QuickDraw';
1543	$QuicktimeVideoCodecLookup['raw '] = 'RAW';
1544	$QuicktimeVideoCodecLookup['ripl'] = 'WaterRipple';
1545	$QuicktimeVideoCodecLookup['rpza'] = 'Video';
1546	$QuicktimeVideoCodecLookup['smc '] = 'Graphics';
1547	$QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 1';
1548	$QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 3';
1549	$QuicktimeVideoCodecLookup['syv9'] = 'Sorenson YUV9';
1550	$QuicktimeVideoCodecLookup['tga '] = 'Targa';
1551	$QuicktimeVideoCodecLookup['tiff'] = 'TIFF';
1552	$QuicktimeVideoCodecLookup['WRAW'] = 'Windows RAW';
1553	$QuicktimeVideoCodecLookup['WRLE'] = 'BMP';
1554	$QuicktimeVideoCodecLookup['y420'] = 'YUV420';
1555	$QuicktimeVideoCodecLookup['yuv2'] = 'ComponentVideo';
1556	$QuicktimeVideoCodecLookup['yuvs'] = 'ComponentVideoUnsigned';
1557	$QuicktimeVideoCodecLookup['yuvu'] = 'ComponentVideoSigned';
1558	}
1559	return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : '');
1560	}
1561
1562	public function QuicktimeAudioCodecLookup($codecid) {
1563	static $QuicktimeAudioCodecLookup = array();
1564	if (empty($QuicktimeAudioCodecLookup)) {
1565	$QuicktimeAudioCodecLookup['.mp3'] = 'Fraunhofer MPEG Layer-III alias';
1566	$QuicktimeAudioCodecLookup['aac '] = 'ISO/IEC 14496-3 AAC';
1567	$QuicktimeAudioCodecLookup['agsm'] = 'Apple GSM 10:1';
1568	$QuicktimeAudioCodecLookup['alac'] = 'Apple Lossless Audio Codec';
1569	$QuicktimeAudioCodecLookup['alaw'] = 'A-law 2:1';
1570	$QuicktimeAudioCodecLookup['conv'] = 'Sample Format';
1571	$QuicktimeAudioCodecLookup['dvca'] = 'DV';
1572	$QuicktimeAudioCodecLookup['dvi '] = 'DV 4:1';
1573	$QuicktimeAudioCodecLookup['eqal'] = 'Frequency Equalizer';
1574	$QuicktimeAudioCodecLookup['fl32'] = '32-bit Floating Point';
1575	$QuicktimeAudioCodecLookup['fl64'] = '64-bit Floating Point';
1576	$QuicktimeAudioCodecLookup['ima4'] = 'Interactive Multimedia Association 4:1';
1577	$QuicktimeAudioCodecLookup['in24'] = '24-bit Integer';
1578	$QuicktimeAudioCodecLookup['in32'] = '32-bit Integer';
1579	$QuicktimeAudioCodecLookup['lpc '] = 'LPC 23:1';
1580	$QuicktimeAudioCodecLookup['MAC3'] = 'Macintosh Audio Compression/Expansion (MACE) 3:1';
1581	$QuicktimeAudioCodecLookup['MAC6'] = 'Macintosh Audio Compression/Expansion (MACE) 6:1';
1582	$QuicktimeAudioCodecLookup['mixb'] = '8-bit Mixer';
1583	$QuicktimeAudioCodecLookup['mixw'] = '16-bit Mixer';
1584	$QuicktimeAudioCodecLookup['mp4a'] = 'ISO/IEC 14496-3 AAC';
1585	$QuicktimeAudioCodecLookup['MS'."\x00\x02"] = 'Microsoft ADPCM';
1586	$QuicktimeAudioCodecLookup['MS'."\x00\x11"] = 'DV IMA';
1587	$QuicktimeAudioCodecLookup['MS'."\x00\x55"] = 'Fraunhofer MPEG Layer III';
1588	$QuicktimeAudioCodecLookup['NONE'] = 'No Encoding';
1589	$QuicktimeAudioCodecLookup['Qclp'] = 'Qualcomm PureVoice';
1590	$QuicktimeAudioCodecLookup['QDM2'] = 'QDesign Music 2';
1591	$QuicktimeAudioCodecLookup['QDMC'] = 'QDesign Music 1';
1592	$QuicktimeAudioCodecLookup['ratb'] = '8-bit Rate';
1593	$QuicktimeAudioCodecLookup['ratw'] = '16-bit Rate';
1594	$QuicktimeAudioCodecLookup['raw '] = 'raw PCM';
1595	$QuicktimeAudioCodecLookup['sour'] = 'Sound Source';
1596	$QuicktimeAudioCodecLookup['sowt'] = 'signed/two\'s complement (Little Endian)';
1597	$QuicktimeAudioCodecLookup['str1'] = 'Iomega MPEG layer II';
1598	$QuicktimeAudioCodecLookup['str2'] = 'Iomega MPEG *layer II';
1599	$QuicktimeAudioCodecLookup['str3'] = 'Iomega MPEG **layer II';
1600	$QuicktimeAudioCodecLookup['str4'] = 'Iomega MPEG ***layer II';
1601	$QuicktimeAudioCodecLookup['twos'] = 'signed/two\'s complement (Big Endian)';
1602	$QuicktimeAudioCodecLookup['ulaw'] = 'mu-law 2:1';
1603	}
1604	return (isset($QuicktimeAudioCodecLookup[$codecid]) ? $QuicktimeAudioCodecLookup[$codecid] : '');
1605	}
1606
1607	public function QuicktimeDCOMLookup($compressionid) {
1608	static $QuicktimeDCOMLookup = array();
1609	if (empty($QuicktimeDCOMLookup)) {
1610	$QuicktimeDCOMLookup['zlib'] = 'ZLib Deflate';
1611	$QuicktimeDCOMLookup['adec'] = 'Apple Compression';
1612	}
1613	return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : '');
1614	}
1615
1616	public function QuicktimeColorNameLookup($colordepthid) {
1617	static $QuicktimeColorNameLookup = array();
1618	if (empty($QuicktimeColorNameLookup)) {
1619	$QuicktimeColorNameLookup[1] = '2-color (monochrome)';
1620	$QuicktimeColorNameLookup[2] = '4-color';
1621	$QuicktimeColorNameLookup[4] = '16-color';
1622	$QuicktimeColorNameLookup[8] = '256-color';
1623	$QuicktimeColorNameLookup[16] = 'thousands (16-bit color)';
1624	$QuicktimeColorNameLookup[24] = 'millions (24-bit color)';
1625	$QuicktimeColorNameLookup[32] = 'millions+ (32-bit color)';
1626	$QuicktimeColorNameLookup[33] = 'black & white';
1627	$QuicktimeColorNameLookup[34] = '4-gray';
1628	$QuicktimeColorNameLookup[36] = '16-gray';
1629	$QuicktimeColorNameLookup[40] = '256-gray';
1630	}
1631	return (isset($QuicktimeColorNameLookup[$colordepthid]) ? $QuicktimeColorNameLookup[$colordepthid] : 'invalid');
1632	}
1633
1634	public function QuicktimeSTIKLookup($stik) {
1635	static $QuicktimeSTIKLookup = array();
1636	if (empty($QuicktimeSTIKLookup)) {
1637	$QuicktimeSTIKLookup[0] = 'Movie';
1638	$QuicktimeSTIKLookup[1] = 'Normal';
1639	$QuicktimeSTIKLookup[2] = 'Audiobook';
1640	$QuicktimeSTIKLookup[5] = 'Whacked Bookmark';
1641	$QuicktimeSTIKLookup[6] = 'Music Video';
1642	$QuicktimeSTIKLookup[9] = 'Short Film';
1643	$QuicktimeSTIKLookup[10] = 'TV Show';
1644	$QuicktimeSTIKLookup[11] = 'Booklet';
1645	$QuicktimeSTIKLookup[14] = 'Ringtone';
1646	$QuicktimeSTIKLookup[21] = 'Podcast';
1647	}
1648	return (isset($QuicktimeSTIKLookup[$stik]) ? $QuicktimeSTIKLookup[$stik] : 'invalid');
1649	}
1650
1651	public function QuicktimeIODSaudioProfileName($audio_profile_id) {
1652	static $QuicktimeIODSaudioProfileNameLookup = array();
1653	if (empty($QuicktimeIODSaudioProfileNameLookup)) {
1654	$QuicktimeIODSaudioProfileNameLookup = array(
1655	0x00 => 'ISO Reserved (0x00)',
1656	0x01 => 'Main Audio Profile @ Level 1',
1657	0x02 => 'Main Audio Profile @ Level 2',
1658	0x03 => 'Main Audio Profile @ Level 3',
1659	0x04 => 'Main Audio Profile @ Level 4',
1660	0x05 => 'Scalable Audio Profile @ Level 1',
1661	0x06 => 'Scalable Audio Profile @ Level 2',
1662	0x07 => 'Scalable Audio Profile @ Level 3',
1663	0x08 => 'Scalable Audio Profile @ Level 4',
1664	0x09 => 'Speech Audio Profile @ Level 1',
1665	0x0A => 'Speech Audio Profile @ Level 2',
1666	0x0B => 'Synthetic Audio Profile @ Level 1',
1667	0x0C => 'Synthetic Audio Profile @ Level 2',
1668	0x0D => 'Synthetic Audio Profile @ Level 3',
1669	0x0E => 'High Quality Audio Profile @ Level 1',
1670	0x0F => 'High Quality Audio Profile @ Level 2',
1671	0x10 => 'High Quality Audio Profile @ Level 3',
1672	0x11 => 'High Quality Audio Profile @ Level 4',
1673	0x12 => 'High Quality Audio Profile @ Level 5',
1674	0x13 => 'High Quality Audio Profile @ Level 6',
1675	0x14 => 'High Quality Audio Profile @ Level 7',
1676	0x15 => 'High Quality Audio Profile @ Level 8',
1677	0x16 => 'Low Delay Audio Profile @ Level 1',
1678	0x17 => 'Low Delay Audio Profile @ Level 2',
1679	0x18 => 'Low Delay Audio Profile @ Level 3',
1680	0x19 => 'Low Delay Audio Profile @ Level 4',
1681	0x1A => 'Low Delay Audio Profile @ Level 5',
1682	0x1B => 'Low Delay Audio Profile @ Level 6',
1683	0x1C => 'Low Delay Audio Profile @ Level 7',
1684	0x1D => 'Low Delay Audio Profile @ Level 8',
1685	0x1E => 'Natural Audio Profile @ Level 1',
1686	0x1F => 'Natural Audio Profile @ Level 2',
1687	0x20 => 'Natural Audio Profile @ Level 3',
1688	0x21 => 'Natural Audio Profile @ Level 4',
1689	0x22 => 'Mobile Audio Internetworking Profile @ Level 1',
1690	0x23 => 'Mobile Audio Internetworking Profile @ Level 2',
1691	0x24 => 'Mobile Audio Internetworking Profile @ Level 3',
1692	0x25 => 'Mobile Audio Internetworking Profile @ Level 4',
1693	0x26 => 'Mobile Audio Internetworking Profile @ Level 5',
1694	0x27 => 'Mobile Audio Internetworking Profile @ Level 6',
1695	0x28 => 'AAC Profile @ Level 1',
1696	0x29 => 'AAC Profile @ Level 2',
1697	0x2A => 'AAC Profile @ Level 4',
1698	0x2B => 'AAC Profile @ Level 5',
1699	0x2C => 'High Efficiency AAC Profile @ Level 2',
1700	0x2D => 'High Efficiency AAC Profile @ Level 3',
1701	0x2E => 'High Efficiency AAC Profile @ Level 4',
1702	0x2F => 'High Efficiency AAC Profile @ Level 5',
1703	0xFE => 'Not part of MPEG-4 audio profiles',
1704	0xFF => 'No audio capability required',
1705	);
1706	}
1707	return (isset($QuicktimeIODSaudioProfileNameLookup[$audio_profile_id]) ? $QuicktimeIODSaudioProfileNameLookup[$audio_profile_id] : 'ISO Reserved / User Private');
1708	}
1709
1710
1711	public function QuicktimeIODSvideoProfileName($video_profile_id) {
1712	static $QuicktimeIODSvideoProfileNameLookup = array();
1713	if (empty($QuicktimeIODSvideoProfileNameLookup)) {
1714	$QuicktimeIODSvideoProfileNameLookup = array(
1715	0x00 => 'Reserved (0x00) Profile',
1716	0x01 => 'Simple Profile @ Level 1',
1717	0x02 => 'Simple Profile @ Level 2',
1718	0x03 => 'Simple Profile @ Level 3',
1719	0x08 => 'Simple Profile @ Level 0',
1720	0x10 => 'Simple Scalable Profile @ Level 0',
1721	0x11 => 'Simple Scalable Profile @ Level 1',
1722	0x12 => 'Simple Scalable Profile @ Level 2',
1723	0x15 => 'AVC/H264 Profile',
1724	0x21 => 'Core Profile @ Level 1',
1725	0x22 => 'Core Profile @ Level 2',
1726	0x32 => 'Main Profile @ Level 2',
1727	0x33 => 'Main Profile @ Level 3',
1728	0x34 => 'Main Profile @ Level 4',
1729	0x42 => 'N-bit Profile @ Level 2',
1730	0x51 => 'Scalable Texture Profile @ Level 1',
1731	0x61 => 'Simple Face Animation Profile @ Level 1',
1732	0x62 => 'Simple Face Animation Profile @ Level 2',
1733	0x63 => 'Simple FBA Profile @ Level 1',
1734	0x64 => 'Simple FBA Profile @ Level 2',
1735	0x71 => 'Basic Animated Texture Profile @ Level 1',
1736	0x72 => 'Basic Animated Texture Profile @ Level 2',
1737	0x81 => 'Hybrid Profile @ Level 1',
1738	0x82 => 'Hybrid Profile @ Level 2',
1739	0x91 => 'Advanced Real Time Simple Profile @ Level 1',
1740	0x92 => 'Advanced Real Time Simple Profile @ Level 2',
1741	0x93 => 'Advanced Real Time Simple Profile @ Level 3',
1742	0x94 => 'Advanced Real Time Simple Profile @ Level 4',
1743	0xA1 => 'Core Scalable Profile @ Level1',
1744	0xA2 => 'Core Scalable Profile @ Level2',
1745	0xA3 => 'Core Scalable Profile @ Level3',
1746	0xB1 => 'Advanced Coding Efficiency Profile @ Level 1',
1747	0xB2 => 'Advanced Coding Efficiency Profile @ Level 2',
1748	0xB3 => 'Advanced Coding Efficiency Profile @ Level 3',
1749	0xB4 => 'Advanced Coding Efficiency Profile @ Level 4',
1750	0xC1 => 'Advanced Core Profile @ Level 1',
1751	0xC2 => 'Advanced Core Profile @ Level 2',
1752	0xD1 => 'Advanced Scalable Texture @ Level1',
1753	0xD2 => 'Advanced Scalable Texture @ Level2',
1754	0xE1 => 'Simple Studio Profile @ Level 1',
1755	0xE2 => 'Simple Studio Profile @ Level 2',
1756	0xE3 => 'Simple Studio Profile @ Level 3',
1757	0xE4 => 'Simple Studio Profile @ Level 4',
1758	0xE5 => 'Core Studio Profile @ Level 1',
1759	0xE6 => 'Core Studio Profile @ Level 2',
1760	0xE7 => 'Core Studio Profile @ Level 3',
1761	0xE8 => 'Core Studio Profile @ Level 4',
1762	0xF0 => 'Advanced Simple Profile @ Level 0',
1763	0xF1 => 'Advanced Simple Profile @ Level 1',
1764	0xF2 => 'Advanced Simple Profile @ Level 2',
1765	0xF3 => 'Advanced Simple Profile @ Level 3',
1766	0xF4 => 'Advanced Simple Profile @ Level 4',
1767	0xF5 => 'Advanced Simple Profile @ Level 5',
1768	0xF7 => 'Advanced Simple Profile @ Level 3b',
1769	0xF8 => 'Fine Granularity Scalable Profile @ Level 0',
1770	0xF9 => 'Fine Granularity Scalable Profile @ Level 1',
1771	0xFA => 'Fine Granularity Scalable Profile @ Level 2',
1772	0xFB => 'Fine Granularity Scalable Profile @ Level 3',
1773	0xFC => 'Fine Granularity Scalable Profile @ Level 4',
1774	0xFD => 'Fine Granularity Scalable Profile @ Level 5',
1775	0xFE => 'Not part of MPEG-4 Visual profiles',
1776	0xFF => 'No visual capability required',
1777	);
1778	}
1779	return (isset($QuicktimeIODSvideoProfileNameLookup[$video_profile_id]) ? $QuicktimeIODSvideoProfileNameLookup[$video_profile_id] : 'ISO Reserved Profile');
1780	}
1781
1782
1783	public function QuicktimeContentRatingLookup($rtng) {
1784	static $QuicktimeContentRatingLookup = array();
1785	if (empty($QuicktimeContentRatingLookup)) {
1786	$QuicktimeContentRatingLookup[0] = 'None';
1787	$QuicktimeContentRatingLookup[2] = 'Clean';
1788	$QuicktimeContentRatingLookup[4] = 'Explicit';
1789	}
1790	return (isset($QuicktimeContentRatingLookup[$rtng]) ? $QuicktimeContentRatingLookup[$rtng] : 'invalid');
1791	}
1792
1793	public function QuicktimeStoreAccountTypeLookup($akid) {
1794	static $QuicktimeStoreAccountTypeLookup = array();
1795	if (empty($QuicktimeStoreAccountTypeLookup)) {
1796	$QuicktimeStoreAccountTypeLookup[0] = 'iTunes';
1797	$QuicktimeStoreAccountTypeLookup[1] = 'AOL';
1798	}
1799	return (isset($QuicktimeStoreAccountTypeLookup[$akid]) ? $QuicktimeStoreAccountTypeLookup[$akid] : 'invalid');
1800	}
1801
1802	public function QuicktimeStoreFrontCodeLookup($sfid) {
1803	static $QuicktimeStoreFrontCodeLookup = array();
1804	if (empty($QuicktimeStoreFrontCodeLookup)) {
1805	$QuicktimeStoreFrontCodeLookup[143460] = 'Australia';
1806	$QuicktimeStoreFrontCodeLookup[143445] = 'Austria';
1807	$QuicktimeStoreFrontCodeLookup[143446] = 'Belgium';
1808	$QuicktimeStoreFrontCodeLookup[143455] = 'Canada';
1809	$QuicktimeStoreFrontCodeLookup[143458] = 'Denmark';
1810	$QuicktimeStoreFrontCodeLookup[143447] = 'Finland';
1811	$QuicktimeStoreFrontCodeLookup[143442] = 'France';
1812	$QuicktimeStoreFrontCodeLookup[143443] = 'Germany';
1813	$QuicktimeStoreFrontCodeLookup[143448] = 'Greece';
1814	$QuicktimeStoreFrontCodeLookup[143449] = 'Ireland';
1815	$QuicktimeStoreFrontCodeLookup[143450] = 'Italy';
1816	$QuicktimeStoreFrontCodeLookup[143462] = 'Japan';
1817	$QuicktimeStoreFrontCodeLookup[143451] = 'Luxembourg';
1818	$QuicktimeStoreFrontCodeLookup[143452] = 'Netherlands';
1819	$QuicktimeStoreFrontCodeLookup[143461] = 'New Zealand';
1820	$QuicktimeStoreFrontCodeLookup[143457] = 'Norway';
1821	$QuicktimeStoreFrontCodeLookup[143453] = 'Portugal';
1822	$QuicktimeStoreFrontCodeLookup[143454] = 'Spain';
1823	$QuicktimeStoreFrontCodeLookup[143456] = 'Sweden';
1824	$QuicktimeStoreFrontCodeLookup[143459] = 'Switzerland';
1825	$QuicktimeStoreFrontCodeLookup[143444] = 'United Kingdom';
1826	$QuicktimeStoreFrontCodeLookup[143441] = 'United States';
1827	}
1828	return (isset($QuicktimeStoreFrontCodeLookup[$sfid]) ? $QuicktimeStoreFrontCodeLookup[$sfid] : 'invalid');
1829	}
1830
1831	public function QuicktimeParseNikonNCTG($atom_data) {
1832	// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG
1833	// Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100
1834	// Data is stored as records of:
1835	// * 4 bytes record type
1836	// * 2 bytes size of data field type:
1837	// 0x0001 = flag (size field *= 1-byte)
1838	// 0x0002 = char (size field *= 1-byte)
1839	// 0x0003 = DWORD+ (size field *= 2-byte), values are stored CDAB
1840	// 0x0004 = QWORD+ (size field *= 4-byte), values are stored EFGHABCD
1841	// 0x0005 = float (size field *= 8-byte), values are stored aaaabbbb where value is aaaa/bbbb; possibly multiple sets of values appended together
1842	// 0x0007 = bytes (size field *= 1-byte), values are stored as ??????
1843	// 0x0008 = ????? (size field *= 2-byte), values are stored as ??????
1844	// * 2 bytes data size field
1845	// * ? bytes data (string data may be null-padded; datestamp fields are in the format "2011:05:25 20:24:15")
1846	// all integers are stored BigEndian
1847
1848	$NCTGtagName = array(
1849	0x00000001 => 'Make',
1850	0x00000002 => 'Model',
1851	0x00000003 => 'Software',
1852	0x00000011 => 'CreateDate',
1853	0x00000012 => 'DateTimeOriginal',
1854	0x00000013 => 'FrameCount',
1855	0x00000016 => 'FrameRate',
1856	0x00000022 => 'FrameWidth',
1857	0x00000023 => 'FrameHeight',
1858	0x00000032 => 'AudioChannels',
1859	0x00000033 => 'AudioBitsPerSample',
1860	0x00000034 => 'AudioSampleRate',
1861	0x02000001 => 'MakerNoteVersion',
1862	0x02000005 => 'WhiteBalance',
1863	0x0200000b => 'WhiteBalanceFineTune',
1864	0x0200001e => 'ColorSpace',
1865	0x02000023 => 'PictureControlData',
1866	0x02000024 => 'WorldTime',
1867	0x02000032 => 'UnknownInfo',
1868	0x02000083 => 'LensType',
1869	0x02000084 => 'Lens',
1870	);
1871
1872	$offset = 0;
1873	$datalength = strlen($atom_data);
1874	$parsed = array();
1875	while ($offset < $datalength) {
1876	//echo getid3_lib::PrintHexBytes(substr($atom_data, $offset, 4)).'<br>';
1877	$record_type = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4)); $offset += 4;
1878	$data_size_type = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); $offset += 2;
1879	$data_size = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); $offset += 2;
1880	switch ($data_size_type) {
1881	case 0x0001: // 0x0001 = flag (size field *= 1-byte)
1882	$data = getid3_lib::BigEndian2Int(substr($atom_data, $offset, $data_size * 1));
1883	$offset += ($data_size * 1);
1884	break;
1885	case 0x0002: // 0x0002 = char (size field *= 1-byte)
1886	$data = substr($atom_data, $offset, $data_size * 1);
1887	$offset += ($data_size * 1);
1888	$data = rtrim($data, "\x00");
1889	break;
1890	case 0x0003: // 0x0003 = DWORD+ (size field *= 2-byte), values are stored CDAB
1891	$data = '';
1892	for ($i = $data_size - 1; $i >= 0; $i--) {
1893	$data .= substr($atom_data, $offset + ($i * 2), 2);
1894	}
1895	$data = getid3_lib::BigEndian2Int($data);
1896	$offset += ($data_size * 2);
1897	break;
1898	case 0x0004: // 0x0004 = QWORD+ (size field *= 4-byte), values are stored EFGHABCD
1899	$data = '';
1900	for ($i = $data_size - 1; $i >= 0; $i--) {
1901	$data .= substr($atom_data, $offset + ($i * 4), 4);
1902	}
1903	$data = getid3_lib::BigEndian2Int($data);
1904	$offset += ($data_size * 4);
1905	break;
1906	case 0x0005: // 0x0005 = float (size field *= 8-byte), values are stored aaaabbbb where value is aaaa/bbbb; possibly multiple sets of values appended together
1907	$data = array();
1908	for ($i = 0; $i < $data_size; $i++) {
1909	$numerator = getid3_lib::BigEndian2Int(substr($atom_data, $offset + ($i * 8) + 0, 4));
1910	$denomninator = getid3_lib::BigEndian2Int(substr($atom_data, $offset + ($i * 8) + 4, 4));
1911	if ($denomninator == 0) {
1912	$data[$i] = false;
1913	} else {
1914	$data[$i] = (double) $numerator / $denomninator;
1915	}
1916	}
1917	$offset += (8 * $data_size);
1918	if (count($data) == 1) {
1919	$data = $data[0];
1920	}
1921	break;
1922	case 0x0007: // 0x0007 = bytes (size field *= 1-byte), values are stored as ??????
1923	$data = substr($atom_data, $offset, $data_size * 1);
1924	$offset += ($data_size * 1);
1925	break;
1926	case 0x0008: // 0x0008 = ????? (size field *= 2-byte), values are stored as ??????
1927	$data = substr($atom_data, $offset, $data_size * 2);
1928	$offset += ($data_size * 2);
1929	break;
1930	default:
1931	echo 'QuicktimeParseNikonNCTG()::unknown $data_size_type: '.$data_size_type.'<br>';
1932	break 2;
1933	}
1934
1935	switch ($record_type) {
1936	case 0x00000011: // CreateDate
1937	case 0x00000012: // DateTimeOriginal
1938	$data = strtotime($data);
1939	break;
1940	case 0x0200001e: // ColorSpace
1941	switch ($data) {
1942	case 1:
1943	$data = 'sRGB';
1944	break;
1945	case 2:
1946	$data = 'Adobe RGB';
1947	break;
1948	}
1949	break;
1950	case 0x02000023: // PictureControlData
1951	$PictureControlAdjust = array(0=>'default', 1=>'quick', 2=>'full');
1952	$FilterEffect = array(0x80=>'off', 0x81=>'yellow', 0x82=>'orange', 0x83=>'red', 0x84=>'green', 0xff=>'n/a');
1953	$ToningEffect = array(0x80=>'b&w', 0x81=>'sepia', 0x82=>'cyanotype', 0x83=>'red', 0x84=>'yellow', 0x85=>'green', 0x86=>'blue-green', 0x87=>'blue', 0x88=>'purple-blue', 0x89=>'red-purple', 0xff=>'n/a');
1954	$data = array(
1955	'PictureControlVersion' => substr($data, 0, 4),
1956	'PictureControlName' => rtrim(substr($data, 4, 20), "\x00"),
1957	'PictureControlBase' => rtrim(substr($data, 24, 20), "\x00"),
1958	//'?' => substr($data, 44, 4),
1959	'PictureControlAdjust' => $PictureControlAdjust[ord(substr($data, 48, 1))],
1960	'PictureControlQuickAdjust' => ord(substr($data, 49, 1)),
1961	'Sharpness' => ord(substr($data, 50, 1)),
1962	'Contrast' => ord(substr($data, 51, 1)),
1963	'Brightness' => ord(substr($data, 52, 1)),
1964	'Saturation' => ord(substr($data, 53, 1)),
1965	'HueAdjustment' => ord(substr($data, 54, 1)),
1966	'FilterEffect' => $FilterEffect[ord(substr($data, 55, 1))],
1967	'ToningEffect' => $ToningEffect[ord(substr($data, 56, 1))],
1968	'ToningSaturation' => ord(substr($data, 57, 1)),
1969	);
1970	break;
1971	case 0x02000024: // WorldTime
1972	// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#WorldTime
1973	// timezone is stored as offset from GMT in minutes
1974	$timezone = getid3_lib::BigEndian2Int(substr($data, 0, 2));
1975	if ($timezone & 0x8000) {
1976	$timezone = 0 - (0x10000 - $timezone);
1977	}
1978	$timezone /= 60;
1979
1980	$dst = (bool) getid3_lib::BigEndian2Int(substr($data, 2, 1));
1981	switch (getid3_lib::BigEndian2Int(substr($data, 3, 1))) {
1982	case 2:
1983	$datedisplayformat = 'D/M/Y'; break;
1984	case 1:
1985	$datedisplayformat = 'M/D/Y'; break;
1986	case 0:
1987	default:
1988	$datedisplayformat = 'Y/M/D'; break;
1989	}
1990
1991	$data = array('timezone'=>floatval($timezone), 'dst'=>$dst, 'display'=>$datedisplayformat);
1992	break;
1993	case 0x02000083: // LensType
1994	$data = array(
1995	//'_' => $data,
1996	'mf' => (bool) ($data & 0x01),
1997	'd' => (bool) ($data & 0x02),
1998	'g' => (bool) ($data & 0x04),
1999	'vr' => (bool) ($data & 0x08),
2000	);
2001	break;
2002	}
2003	$tag_name = (isset($NCTGtagName[$record_type]) ? $NCTGtagName[$record_type] : '0x'.str_pad(dechex($record_type), 8, '0', STR_PAD_LEFT));
2004	$parsed[$tag_name] = $data;
2005	}
2006	return $parsed;
2007	}
2008
2009
2010	public function CopyToAppropriateCommentsSection($keyname, $data, $boxname='') {
2011	static $handyatomtranslatorarray = array();
2012	if (empty($handyatomtranslatorarray)) {
2013	$handyatomtranslatorarray['©cpy'] = 'copyright';
2014	$handyatomtranslatorarray['©day'] = 'creation_date'; // iTunes 4.0
2015	$handyatomtranslatorarray['©dir'] = 'director';
2016	$handyatomtranslatorarray['©ed1'] = 'edit1';
2017	$handyatomtranslatorarray['©ed2'] = 'edit2';
2018	$handyatomtranslatorarray['©ed3'] = 'edit3';
2019	$handyatomtranslatorarray['©ed4'] = 'edit4';
2020	$handyatomtranslatorarray['©ed5'] = 'edit5';
2021	$handyatomtranslatorarray['©ed6'] = 'edit6';
2022	$handyatomtranslatorarray['©ed7'] = 'edit7';
2023	$handyatomtranslatorarray['©ed8'] = 'edit8';
2024	$handyatomtranslatorarray['©ed9'] = 'edit9';
2025	$handyatomtranslatorarray['©fmt'] = 'format';
2026	$handyatomtranslatorarray['©inf'] = 'information';
2027	$handyatomtranslatorarray['©prd'] = 'producer';
2028	$handyatomtranslatorarray['©prf'] = 'performers';
2029	$handyatomtranslatorarray['©req'] = 'system_requirements';
2030	$handyatomtranslatorarray['©src'] = 'source_credit';
2031	$handyatomtranslatorarray['©wrt'] = 'writer';
2032
2033	// http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt
2034	$handyatomtranslatorarray['©nam'] = 'title'; // iTunes 4.0
2035	$handyatomtranslatorarray['©cmt'] = 'comment'; // iTunes 4.0
2036	$handyatomtranslatorarray['©wrn'] = 'warning';
2037	$handyatomtranslatorarray['©hst'] = 'host_computer';
2038	$handyatomtranslatorarray['©mak'] = 'make';
2039	$handyatomtranslatorarray['©mod'] = 'model';
2040	$handyatomtranslatorarray['©PRD'] = 'product';
2041	$handyatomtranslatorarray['©swr'] = 'software';
2042	$handyatomtranslatorarray['©aut'] = 'author';
2043	$handyatomtranslatorarray['©ART'] = 'artist';
2044	$handyatomtranslatorarray['©trk'] = 'track';
2045	$handyatomtranslatorarray['©alb'] = 'album'; // iTunes 4.0
2046	$handyatomtranslatorarray['©com'] = 'comment';
2047	$handyatomtranslatorarray['©gen'] = 'genre'; // iTunes 4.0
2048	$handyatomtranslatorarray['©ope'] = 'composer';
2049	$handyatomtranslatorarray['©url'] = 'url';
2050	$handyatomtranslatorarray['©enc'] = 'encoder';
2051
2052	// http://atomicparsley.sourceforge.net/mpeg-4files.html
2053	$handyatomtranslatorarray['©art'] = 'artist'; // iTunes 4.0
2054	$handyatomtranslatorarray['aART'] = 'album_artist';
2055	$handyatomtranslatorarray['trkn'] = 'track_number'; // iTunes 4.0
2056	$handyatomtranslatorarray['disk'] = 'disc_number'; // iTunes 4.0
2057	$handyatomtranslatorarray['gnre'] = 'genre'; // iTunes 4.0
2058	$handyatomtranslatorarray['©too'] = 'encoder'; // iTunes 4.0
2059	$handyatomtranslatorarray['tmpo'] = 'bpm'; // iTunes 4.0
2060	$handyatomtranslatorarray['cprt'] = 'copyright'; // iTunes 4.0?
2061	$handyatomtranslatorarray['cpil'] = 'compilation'; // iTunes 4.0
2062	$handyatomtranslatorarray['covr'] = 'picture'; // iTunes 4.0
2063	$handyatomtranslatorarray['rtng'] = 'rating'; // iTunes 4.0
2064	$handyatomtranslatorarray['©grp'] = 'grouping'; // iTunes 4.2
2065	$handyatomtranslatorarray['stik'] = 'stik'; // iTunes 4.9
2066	$handyatomtranslatorarray['pcst'] = 'podcast'; // iTunes 4.9
2067	$handyatomtranslatorarray['catg'] = 'category'; // iTunes 4.9
2068	$handyatomtranslatorarray['keyw'] = 'keyword'; // iTunes 4.9
2069	$handyatomtranslatorarray['purl'] = 'podcast_url'; // iTunes 4.9
2070	$handyatomtranslatorarray['egid'] = 'episode_guid'; // iTunes 4.9
2071	$handyatomtranslatorarray['desc'] = 'description'; // iTunes 5.0
2072	$handyatomtranslatorarray['©lyr'] = 'lyrics'; // iTunes 5.0
2073	$handyatomtranslatorarray['tvnn'] = 'tv_network_name'; // iTunes 6.0
2074	$handyatomtranslatorarray['tvsh'] = 'tv_show_name'; // iTunes 6.0
2075	$handyatomtranslatorarray['tvsn'] = 'tv_season'; // iTunes 6.0
2076	$handyatomtranslatorarray['tves'] = 'tv_episode'; // iTunes 6.0
2077	$handyatomtranslatorarray['purd'] = 'purchase_date'; // iTunes 6.0.2
2078	$handyatomtranslatorarray['pgap'] = 'gapless_playback'; // iTunes 7.0
2079
2080	// http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt
2081
2082
2083
2084	// boxnames:
2085	/*
2086	$handyatomtranslatorarray['iTunSMPB'] = 'iTunSMPB';
2087	$handyatomtranslatorarray['iTunNORM'] = 'iTunNORM';
2088	$handyatomtranslatorarray['Encoding Params'] = 'Encoding Params';
2089	$handyatomtranslatorarray['replaygain_track_gain'] = 'replaygain_track_gain';
2090	$handyatomtranslatorarray['replaygain_track_peak'] = 'replaygain_track_peak';
2091	$handyatomtranslatorarray['replaygain_track_minmax'] = 'replaygain_track_minmax';
2092	$handyatomtranslatorarray['MusicIP PUID'] = 'MusicIP PUID';
2093	$handyatomtranslatorarray['MusicBrainz Artist Id'] = 'MusicBrainz Artist Id';
2094	$handyatomtranslatorarray['MusicBrainz Album Id'] = 'MusicBrainz Album Id';
2095	$handyatomtranslatorarray['MusicBrainz Album Artist Id'] = 'MusicBrainz Album Artist Id';
2096	$handyatomtranslatorarray['MusicBrainz Track Id'] = 'MusicBrainz Track Id';
2097	$handyatomtranslatorarray['MusicBrainz Disc Id'] = 'MusicBrainz Disc Id';
2098
2099	// http://age.hobba.nl/audio/tag_frame_reference.html
2100	$handyatomtranslatorarray['PLAY_COUNTER'] = 'play_counter'; // Foobar2000 - http://www.getid3.org/phpBB3/viewtopic.php?t=1355
2101	$handyatomtranslatorarray['MEDIATYPE'] = 'mediatype'; // Foobar2000 - http://www.getid3.org/phpBB3/viewtopic.php?t=1355
2102	*/
2103	}
2104	$info = &$this->getid3->info;
2105	$comment_key = '';
2106	if ($boxname && ($boxname != $keyname)) {
2107	$comment_key = (isset($handyatomtranslatorarray[$boxname]) ? $handyatomtranslatorarray[$boxname] : $boxname);
2108	} elseif (isset($handyatomtranslatorarray[$keyname])) {
2109	$comment_key = $handyatomtranslatorarray[$keyname];
2110	}
2111	if ($comment_key) {
2112	if ($comment_key == 'picture') {
2113	if (!is_array($data)) {
2114	$image_mime = '';
2115	if (preg_match('#^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A#', $data)) {
2116	$image_mime = 'image/png';
2117	} elseif (preg_match('#^\xFF\xD8\xFF#', $data)) {
2118	$image_mime = 'image/jpeg';
2119	} elseif (preg_match('#^GIF#', $data)) {
2120	$image_mime = 'image/gif';
2121	} elseif (preg_match('#^BM#', $data)) {
2122	$image_mime = 'image/bmp';
2123	}
2124	$data = array('data'=>$data, 'image_mime'=>$image_mime);
2125	}
2126	}
2127	$info['quicktime']['comments'][$comment_key][] = $data;
2128	}
2129	return true;
2130	}
2131
2132	public function NoNullString($nullterminatedstring) {
2133	// remove the single null terminator on null terminated strings
2134	if (substr($nullterminatedstring, strlen($nullterminatedstring) - 1, 1) === "\x00") {
2135	return substr($nullterminatedstring, 0, strlen($nullterminatedstring) - 1);
2136	}
2137	return $nullterminatedstring;
2138	}
2139
2140	public function Pascal2String($pascalstring) {
2141	// Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string
2142	return substr($pascalstring, 1);
2143	}
2144
2145	}

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source: extensions/piwigo_videojs/include/getid3/module.audio-video.quicktime.php @ 31945

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