1<?php 2 3///////////////////////////////////////////////////////////////// 4/// getID3() by James Heinrich <info@getid3.org> // 5// available at https://github.com/JamesHeinrich/getID3 // 6// or https://www.getid3.org // 7// or http://getid3.sourceforge.net // 8// see readme.txt for more details // 9///////////////////////////////////////////////////////////////// 10// // 11// module.audio-video.quicktime.php // 12// module for analyzing Quicktime and MP3-in-MP4 files // 13// dependencies: module.audio.mp3.php // 14// dependencies: module.tag.id3v2.php // 15// /// 16///////////////////////////////////////////////////////////////// 17 18if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers 19 exit; 20} 21getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true); 22getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true); // needed for ISO 639-2 language code lookup 23 24class getid3_quicktime extends getid3_handler 25{ 26 27 /** audio-video.quicktime 28 * return all parsed data from all atoms if true, otherwise just returned parsed metadata 29 * 30 * @var bool 31 */ 32 public $ReturnAtomData = true; 33 34 /** audio-video.quicktime 35 * return all parsed data from all atoms if true, otherwise just returned parsed metadata 36 * 37 * @var bool 38 */ 39 public $ParseAllPossibleAtoms = false; 40 41 /** 42 * @return bool 43 */ 44 public function Analyze() { 45 $info = &$this->getid3->info; 46 47 $info['fileformat'] = 'quicktime'; 48 $info['quicktime']['hinting'] = false; 49 $info['quicktime']['controller'] = 'standard'; // may be overridden if 'ctyp' atom is present 50 51 $this->fseek($info['avdataoffset']); 52 53 $offset = 0; 54 $atomcounter = 0; 55 $atom_data_read_buffer_size = $info['php_memory_limit'] ? round($info['php_memory_limit'] / 4) : $this->getid3->option_fread_buffer_size * 1024; // set read buffer to 25% of PHP memory limit (if one is specified), otherwise use option_fread_buffer_size [default: 32MB] 56 while ($offset < $info['avdataend']) { 57 if (!getid3_lib::intValueSupported($offset)) { 58 $this->error('Unable to parse atom at offset '.$offset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions'); 59 break; 60 } 61 $this->fseek($offset); 62 $AtomHeader = $this->fread(8); 63 64 $atomsize = getid3_lib::BigEndian2Int(substr($AtomHeader, 0, 4)); 65 $atomname = substr($AtomHeader, 4, 4); 66 67 // 64-bit MOV patch by jlegateØktnc*com 68 if ($atomsize == 1) { 69 $atomsize = getid3_lib::BigEndian2Int($this->fread(8)); 70 } 71 72 if (($offset + $atomsize) > $info['avdataend']) { 73 $info['quicktime'][$atomname]['name'] = $atomname; 74 $info['quicktime'][$atomname]['size'] = $atomsize; 75 $info['quicktime'][$atomname]['offset'] = $offset; 76 $this->error('Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atomsize.' bytes)'); 77 return false; 78 } 79 if ($atomsize == 0) { 80 // Furthermore, for historical reasons the list of atoms is optionally 81 // terminated by a 32-bit integer set to 0. If you are writing a program 82 // to read user data atoms, you should allow for the terminating 0. 83 $info['quicktime'][$atomname]['name'] = $atomname; 84 $info['quicktime'][$atomname]['size'] = $atomsize; 85 $info['quicktime'][$atomname]['offset'] = $offset; 86 break; 87 } 88 89 $atomHierarchy = array(); 90 $parsedAtomData = $this->QuicktimeParseAtom($atomname, $atomsize, $this->fread(min($atomsize, $atom_data_read_buffer_size)), $offset, $atomHierarchy, $this->ParseAllPossibleAtoms); 91 $parsedAtomData['name'] = $atomname; 92 $parsedAtomData['size'] = $atomsize; 93 $parsedAtomData['offset'] = $offset; 94 if (in_array($atomname, array('uuid'))) { 95 @$info['quicktime'][$atomname][] = $parsedAtomData; 96 } else { 97 $info['quicktime'][$atomname] = $parsedAtomData; 98 } 99 100 $offset += $atomsize; 101 $atomcounter++; 102 } 103 104 if (!empty($info['avdataend_tmp'])) { 105 // this value is assigned to a temp value and then erased because 106 // otherwise any atoms beyond the 'mdat' atom would not get parsed 107 $info['avdataend'] = $info['avdataend_tmp']; 108 unset($info['avdataend_tmp']); 109 } 110 111 if (!empty($info['quicktime']['comments']['chapters']) && is_array($info['quicktime']['comments']['chapters']) && (count($info['quicktime']['comments']['chapters']) > 0)) { 112 $durations = $this->quicktime_time_to_sample_table($info); 113 for ($i = 0; $i < count($info['quicktime']['comments']['chapters']); $i++) { 114 $bookmark = array(); 115 $bookmark['title'] = $info['quicktime']['comments']['chapters'][$i]; 116 if (isset($durations[$i])) { 117 $bookmark['duration_sample'] = $durations[$i]['sample_duration']; 118 if ($i > 0) { 119 $bookmark['start_sample'] = $info['quicktime']['bookmarks'][($i - 1)]['start_sample'] + $info['quicktime']['bookmarks'][($i - 1)]['duration_sample']; 120 } else { 121 $bookmark['start_sample'] = 0; 122 } 123 if ($time_scale = $this->quicktime_bookmark_time_scale($info)) { 124 $bookmark['duration_seconds'] = $bookmark['duration_sample'] / $time_scale; 125 $bookmark['start_seconds'] = $bookmark['start_sample'] / $time_scale; 126 } 127 } 128 $info['quicktime']['bookmarks'][] = $bookmark; 129 } 130 } 131 132 if (isset($info['quicktime']['temp_meta_key_names'])) { 133 unset($info['quicktime']['temp_meta_key_names']); 134 } 135 136 if (!empty($info['quicktime']['comments']['location.ISO6709'])) { 137 // https://en.wikipedia.org/wiki/ISO_6709 138 foreach ($info['quicktime']['comments']['location.ISO6709'] as $ISO6709string) { 139 $ISO6709parsed = array('latitude'=>false, 'longitude'=>false, 'altitude'=>false); 140 if (preg_match('#^([\\+\\-])([0-9]{2}|[0-9]{4}|[0-9]{6})(\\.[0-9]+)?([\\+\\-])([0-9]{3}|[0-9]{5}|[0-9]{7})(\\.[0-9]+)?(([\\+\\-])([0-9]{3}|[0-9]{5}|[0-9]{7})(\\.[0-9]+)?)?/$#', $ISO6709string, $matches)) { 141 @list($dummy, $lat_sign, $lat_deg, $lat_deg_dec, $lon_sign, $lon_deg, $lon_deg_dec, $dummy, $alt_sign, $alt_deg, $alt_deg_dec) = $matches; 142 143 if (strlen($lat_deg) == 2) { // [+-]DD.D 144 $ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim($lat_deg, '0').$lat_deg_dec); 145 } elseif (strlen($lat_deg) == 4) { // [+-]DDMM.M 146 $ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval(ltrim(substr($lat_deg, 2, 2), '0').$lat_deg_dec / 60); 147 } elseif (strlen($lat_deg) == 6) { // [+-]DDMMSS.S 148 $ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval(ltrim(substr($lat_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($lat_deg, 4, 2), '0').$lat_deg_dec / 3600); 149 } 150 151 if (strlen($lon_deg) == 3) { // [+-]DDD.D 152 $ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim($lon_deg, '0').$lon_deg_dec); 153 } elseif (strlen($lon_deg) == 5) { // [+-]DDDMM.M 154 $ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval(ltrim(substr($lon_deg, 2, 2), '0').$lon_deg_dec / 60); 155 } elseif (strlen($lon_deg) == 7) { // [+-]DDDMMSS.S 156 $ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval(ltrim(substr($lon_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($lon_deg, 4, 2), '0').$lon_deg_dec / 3600); 157 } 158 159 if (strlen($alt_deg) == 3) { // [+-]DDD.D 160 $ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim($alt_deg, '0').$alt_deg_dec); 161 } elseif (strlen($alt_deg) == 5) { // [+-]DDDMM.M 162 $ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval(ltrim(substr($alt_deg, 2, 2), '0').$alt_deg_dec / 60); 163 } elseif (strlen($alt_deg) == 7) { // [+-]DDDMMSS.S 164 $ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval(ltrim(substr($alt_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($alt_deg, 4, 2), '0').$alt_deg_dec / 3600); 165 } 166 167 foreach (array('latitude', 'longitude', 'altitude') as $key) { 168 if ($ISO6709parsed[$key] !== false) { 169 $value = (($lat_sign == '-') ? -1 : 1) * floatval($ISO6709parsed[$key]); 170 if (!isset($info['quicktime']['comments']['gps_'.$key]) || !in_array($value, $info['quicktime']['comments']['gps_'.$key])) { 171 @$info['quicktime']['comments']['gps_'.$key][] = (($lat_sign == '-') ? -1 : 1) * floatval($ISO6709parsed[$key]); 172 } 173 } 174 } 175 } 176 if ($ISO6709parsed['latitude'] === false) { 177 $this->warning('location.ISO6709 string not parsed correctly: "'.$ISO6709string.'", please submit as a bug'); 178 } 179 break; 180 } 181 } 182 183 if (!isset($info['bitrate']) && !empty($info['playtime_seconds'])) { 184 $info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds']; 185 } 186 if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info['quicktime']['video'])) { 187 $info['audio']['bitrate'] = $info['bitrate']; 188 } 189 if (!empty($info['bitrate']) && !empty($info['audio']['bitrate']) && empty($info['video']['bitrate']) && !empty($info['video']['frame_rate']) && !empty($info['video']['resolution_x']) && ($info['bitrate'] > $info['audio']['bitrate'])) { 190 $info['video']['bitrate'] = $info['bitrate'] - $info['audio']['bitrate']; 191 } 192 if (!empty($info['playtime_seconds']) && !isset($info['video']['frame_rate']) && !empty($info['quicktime']['stts_framecount'])) { 193 foreach ($info['quicktime']['stts_framecount'] as $key => $samples_count) { 194 $samples_per_second = $samples_count / $info['playtime_seconds']; 195 if ($samples_per_second > 240) { 196 // has to be audio samples 197 } else { 198 $info['video']['frame_rate'] = $samples_per_second; 199 break; 200 } 201 } 202 } 203 if ($info['audio']['dataformat'] == 'mp4') { 204 $info['fileformat'] = 'mp4'; 205 if (empty($info['video']['resolution_x'])) { 206 $info['mime_type'] = 'audio/mp4'; 207 unset($info['video']['dataformat']); 208 } else { 209 $info['mime_type'] = 'video/mp4'; 210 } 211 } 212 213 if (!$this->ReturnAtomData) { 214 unset($info['quicktime']['moov']); 215 } 216 217 if (empty($info['audio']['dataformat']) && !empty($info['quicktime']['audio'])) { 218 $info['audio']['dataformat'] = 'quicktime'; 219 } 220 if (empty($info['video']['dataformat']) && !empty($info['quicktime']['video'])) { 221 $info['video']['dataformat'] = 'quicktime'; 222 } 223 if (isset($info['video']) && ($info['mime_type'] == 'audio/mp4') && empty($info['video']['resolution_x']) && empty($info['video']['resolution_y'])) { 224 unset($info['video']); 225 } 226 227 return true; 228 } 229 230 /** 231 * @param string $atomname 232 * @param int $atomsize 233 * @param string $atom_data 234 * @param int $baseoffset 235 * @param array $atomHierarchy 236 * @param bool $ParseAllPossibleAtoms 237 * 238 * @return array|false 239 */ 240 public function QuicktimeParseAtom($atomname, $atomsize, $atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { 241 // http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm 242 // https://code.google.com/p/mp4v2/wiki/iTunesMetadata 243 244 $info = &$this->getid3->info; 245 246 $atom_parent = end($atomHierarchy); // not array_pop($atomHierarchy); see https://www.getid3.org/phpBB3/viewtopic.php?t=1717 247 array_push($atomHierarchy, $atomname); 248 $atom_structure = array(); 249 $atom_structure['hierarchy'] = implode(' ', $atomHierarchy); 250 $atom_structure['name'] = $atomname; 251 $atom_structure['size'] = $atomsize; 252 $atom_structure['offset'] = $baseoffset; 253 if (substr($atomname, 0, 3) == "\x00\x00\x00") { 254 // https://github.com/JamesHeinrich/getID3/issues/139 255 $atomname = getid3_lib::BigEndian2Int($atomname); 256 $atom_structure['name'] = $atomname; 257 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 258 } else { 259 switch ($atomname) { 260 case 'moov': // MOVie container atom 261 case 'trak': // TRAcK container atom 262 case 'clip': // CLIPping container atom 263 case 'matt': // track MATTe container atom 264 case 'edts': // EDiTS container atom 265 case 'tref': // Track REFerence container atom 266 case 'mdia': // MeDIA container atom 267 case 'minf': // Media INFormation container atom 268 case 'dinf': // Data INFormation container atom 269 case 'nmhd': // Null Media HeaDer container atom 270 case 'udta': // User DaTA container atom 271 case 'cmov': // Compressed MOVie container atom 272 case 'rmra': // Reference Movie Record Atom 273 case 'rmda': // Reference Movie Descriptor Atom 274 case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR) 275 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 276 break; 277 278 case 'ilst': // Item LiST container atom 279 if ($atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms)) { 280 // some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted 281 $allnumericnames = true; 282 foreach ($atom_structure['subatoms'] as $subatomarray) { 283 if (!is_integer($subatomarray['name']) || (count($subatomarray['subatoms']) != 1)) { 284 $allnumericnames = false; 285 break; 286 } 287 } 288 if ($allnumericnames) { 289 $newData = array(); 290 foreach ($atom_structure['subatoms'] as $subatomarray) { 291 foreach ($subatomarray['subatoms'] as $newData_subatomarray) { 292 unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']); 293 $newData[$subatomarray['name']] = $newData_subatomarray; 294 break; 295 } 296 } 297 $atom_structure['data'] = $newData; 298 unset($atom_structure['subatoms']); 299 } 300 } 301 break; 302 303 case 'stbl': // Sample TaBLe container atom 304 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 305 $isVideo = false; 306 $framerate = 0; 307 $framecount = 0; 308 foreach ($atom_structure['subatoms'] as $key => $value_array) { 309 if (isset($value_array['sample_description_table'])) { 310 foreach ($value_array['sample_description_table'] as $key2 => $value_array2) { 311 if (isset($value_array2['data_format'])) { 312 switch ($value_array2['data_format']) { 313 case 'avc1': 314 case 'mp4v': 315 // video data 316 $isVideo = true; 317 break; 318 case 'mp4a': 319 // audio data 320 break; 321 } 322 } 323 } 324 } elseif (isset($value_array['time_to_sample_table'])) { 325 foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) { 326 if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && ($value_array2['sample_duration'] > 0)) { 327 $framerate = round($info['quicktime']['time_scale'] / $value_array2['sample_duration'], 3); 328 $framecount = $value_array2['sample_count']; 329 } 330 } 331 } 332 } 333 if ($isVideo && $framerate) { 334 $info['quicktime']['video']['frame_rate'] = $framerate; 335 $info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate']; 336 } 337 if ($isVideo && $framecount) { 338 $info['quicktime']['video']['frame_count'] = $framecount; 339 } 340 break; 341 342 343 case "\xA9".'alb': // ALBum 344 case "\xA9".'ART': // 345 case "\xA9".'art': // ARTist 346 case "\xA9".'aut': // 347 case "\xA9".'cmt': // CoMmenT 348 case "\xA9".'com': // COMposer 349 case "\xA9".'cpy': // 350 case "\xA9".'day': // content created year 351 case "\xA9".'dir': // 352 case "\xA9".'ed1': // 353 case "\xA9".'ed2': // 354 case "\xA9".'ed3': // 355 case "\xA9".'ed4': // 356 case "\xA9".'ed5': // 357 case "\xA9".'ed6': // 358 case "\xA9".'ed7': // 359 case "\xA9".'ed8': // 360 case "\xA9".'ed9': // 361 case "\xA9".'enc': // 362 case "\xA9".'fmt': // 363 case "\xA9".'gen': // GENre 364 case "\xA9".'grp': // GRouPing 365 case "\xA9".'hst': // 366 case "\xA9".'inf': // 367 case "\xA9".'lyr': // LYRics 368 case "\xA9".'mak': // 369 case "\xA9".'mod': // 370 case "\xA9".'nam': // full NAMe 371 case "\xA9".'ope': // 372 case "\xA9".'PRD': // 373 case "\xA9".'prf': // 374 case "\xA9".'req': // 375 case "\xA9".'src': // 376 case "\xA9".'swr': // 377 case "\xA9".'too': // encoder 378 case "\xA9".'trk': // TRacK 379 case "\xA9".'url': // 380 case "\xA9".'wrn': // 381 case "\xA9".'wrt': // WRiTer 382 case '----': // itunes specific 383 case 'aART': // Album ARTist 384 case 'akID': // iTunes store account type 385 case 'apID': // Purchase Account 386 case 'atID': // 387 case 'catg': // CaTeGory 388 case 'cmID': // 389 case 'cnID': // 390 case 'covr': // COVeR artwork 391 case 'cpil': // ComPILation 392 case 'cprt': // CoPyRighT 393 case 'desc': // DESCription 394 case 'disk': // DISK number 395 case 'egid': // Episode Global ID 396 case 'geID': // 397 case 'gnre': // GeNRE 398 case 'hdvd': // HD ViDeo 399 case 'keyw': // KEYWord 400 case 'ldes': // Long DEScription 401 case 'pcst': // PodCaST 402 case 'pgap': // GAPless Playback 403 case 'plID': // 404 case 'purd': // PURchase Date 405 case 'purl': // Podcast URL 406 case 'rati': // 407 case 'rndu': // 408 case 'rpdu': // 409 case 'rtng': // RaTiNG 410 case 'sfID': // iTunes store country 411 case 'soaa': // SOrt Album Artist 412 case 'soal': // SOrt ALbum 413 case 'soar': // SOrt ARtist 414 case 'soco': // SOrt COmposer 415 case 'sonm': // SOrt NaMe 416 case 'sosn': // SOrt Show Name 417 case 'stik': // 418 case 'tmpo': // TeMPO (BPM) 419 case 'trkn': // TRacK Number 420 case 'tven': // tvEpisodeID 421 case 'tves': // TV EpiSode 422 case 'tvnn': // TV Network Name 423 case 'tvsh': // TV SHow Name 424 case 'tvsn': // TV SeasoN 425 if ($atom_parent == 'udta') { 426 // User data atom handler 427 $atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); 428 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); 429 $atom_structure['data'] = substr($atom_data, 4); 430 431 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); 432 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { 433 $info['comments']['language'][] = $atom_structure['language']; 434 } 435 } else { 436 // Apple item list box atom handler 437 $atomoffset = 0; 438 if (substr($atom_data, 2, 2) == "\x10\xB5") { 439 // not sure what it means, but observed on iPhone4 data. 440 // Each $atom_data has 2 bytes of datasize, plus 0x10B5, then data 441 while ($atomoffset < strlen($atom_data)) { 442 $boxsmallsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 2)); 443 $boxsmalltype = substr($atom_data, $atomoffset + 2, 2); 444 $boxsmalldata = substr($atom_data, $atomoffset + 4, $boxsmallsize); 445 if ($boxsmallsize <= 1) { 446 $this->warning('Invalid QuickTime atom smallbox size "'.$boxsmallsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset)); 447 $atom_structure['data'] = null; 448 $atomoffset = strlen($atom_data); 449 break; 450 } 451 switch ($boxsmalltype) { 452 case "\x10\xB5": 453 $atom_structure['data'] = $boxsmalldata; 454 break; 455 default: 456 $this->warning('Unknown QuickTime smallbox type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxsmalltype).'" ('.trim(getid3_lib::PrintHexBytes($boxsmalltype)).') at offset '.$baseoffset); 457 $atom_structure['data'] = $atom_data; 458 break; 459 } 460 $atomoffset += (4 + $boxsmallsize); 461 } 462 } else { 463 while ($atomoffset < strlen($atom_data)) { 464 $boxsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 4)); 465 $boxtype = substr($atom_data, $atomoffset + 4, 4); 466 $boxdata = substr($atom_data, $atomoffset + 8, $boxsize - 8); 467 if ($boxsize <= 1) { 468 $this->warning('Invalid QuickTime atom box size "'.$boxsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset)); 469 $atom_structure['data'] = null; 470 $atomoffset = strlen($atom_data); 471 break; 472 } 473 $atomoffset += $boxsize; 474 475 switch ($boxtype) { 476 case 'mean': 477 case 'name': 478 $atom_structure[$boxtype] = substr($boxdata, 4); 479 break; 480 481 case 'data': 482 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($boxdata, 0, 1)); 483 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($boxdata, 1, 3)); 484 switch ($atom_structure['flags_raw']) { 485 case 0: // data flag 486 case 21: // tmpo/cpil flag 487 switch ($atomname) { 488 case 'cpil': 489 case 'hdvd': 490 case 'pcst': 491 case 'pgap': 492 // 8-bit integer (boolean) 493 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); 494 break; 495 496 case 'tmpo': 497 // 16-bit integer 498 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2)); 499 break; 500 501 case 'disk': 502 case 'trkn': 503 // binary 504 $num = getid3_lib::BigEndian2Int(substr($boxdata, 10, 2)); 505 $num_total = getid3_lib::BigEndian2Int(substr($boxdata, 12, 2)); 506 $atom_structure['data'] = empty($num) ? '' : $num; 507 $atom_structure['data'] .= empty($num_total) ? '' : '/'.$num_total; 508 break; 509 510 case 'gnre': 511 // enum 512 $GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); 513 $atom_structure['data'] = getid3_id3v1::LookupGenreName($GenreID - 1); 514 break; 515 516 case 'rtng': 517 // 8-bit integer 518 $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); 519 $atom_structure['data'] = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]); 520 break; 521 522 case 'stik': 523 // 8-bit integer (enum) 524 $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); 525 $atom_structure['data'] = $this->QuicktimeSTIKLookup($atom_structure[$atomname]); 526 break; 527 528 case 'sfID': 529 // 32-bit integer 530 $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); 531 $atom_structure['data'] = $this->QuicktimeStoreFrontCodeLookup($atom_structure[$atomname]); 532 break; 533 534 case 'egid': 535 case 'purl': 536 $atom_structure['data'] = substr($boxdata, 8); 537 break; 538 539 case 'plID': 540 // 64-bit integer 541 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 8)); 542 break; 543 544 case 'covr': 545 $atom_structure['data'] = substr($boxdata, 8); 546 // not a foolproof check, but better than nothing 547 if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) { 548 $atom_structure['image_mime'] = 'image/jpeg'; 549 } elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) { 550 $atom_structure['image_mime'] = 'image/png'; 551 } elseif (preg_match('#^GIF#', $atom_structure['data'])) { 552 $atom_structure['image_mime'] = 'image/gif'; 553 } 554 $info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_structure['data'], 'description'=>'cover'); 555 break; 556 557 case 'atID': 558 case 'cnID': 559 case 'geID': 560 case 'tves': 561 case 'tvsn': 562 default: 563 // 32-bit integer 564 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); 565 } 566 break; 567 568 case 1: // text flag 569 case 13: // image flag 570 default: 571 $atom_structure['data'] = substr($boxdata, 8); 572 if ($atomname == 'covr') { 573 if (!empty($atom_structure['data'])) { 574 $atom_structure['image_mime'] = 'image/unknown'; // provide default MIME type to ensure array keys exist 575 if (function_exists('getimagesizefromstring') && ($getimagesize = getimagesizefromstring($atom_structure['data'])) && !empty($getimagesize['mime'])) { 576 $atom_structure['image_mime'] = $getimagesize['mime']; 577 } else { 578 // if getimagesizefromstring is not available, or fails for some reason, fall back to simple detection of common image formats 579 $ImageFormatSignatures = array( 580 'image/jpeg' => "\xFF\xD8\xFF", 581 'image/png' => "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A", 582 'image/gif' => 'GIF', 583 ); 584 foreach ($ImageFormatSignatures as $mime => $image_format_signature) { 585 if (substr($atom_structure['data'], 0, strlen($image_format_signature)) == $image_format_signature) { 586 $atom_structure['image_mime'] = $mime; 587 break; 588 } 589 } 590 } 591 $info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_structure['data'], 'description'=>'cover'); 592 } else { 593 $this->warning('Unknown empty "covr" image at offset '.$baseoffset); 594 } 595 } 596 break; 597 598 } 599 break; 600 601 default: 602 $this->warning('Unknown QuickTime box type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxtype).'" ('.trim(getid3_lib::PrintHexBytes($boxtype)).') at offset '.$baseoffset); 603 $atom_structure['data'] = $atom_data; 604 605 } 606 } 607 } 608 } 609 $this->CopyToAppropriateCommentsSection($atomname, $atom_structure['data'], $atom_structure['name']); 610 break; 611 612 613 case 'play': // auto-PLAY atom 614 $atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 615 616 $info['quicktime']['autoplay'] = $atom_structure['autoplay']; 617 break; 618 619 620 case 'WLOC': // Window LOCation atom 621 $atom_structure['location_x'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); 622 $atom_structure['location_y'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); 623 break; 624 625 626 case 'LOOP': // LOOPing atom 627 case 'SelO': // play SELection Only atom 628 case 'AllF': // play ALL Frames atom 629 $atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data); 630 break; 631 632 633 case 'name': // 634 case 'MCPS': // Media Cleaner PRo 635 case '@PRM': // adobe PReMiere version 636 case '@PRQ': // adobe PRemiere Quicktime version 637 $atom_structure['data'] = $atom_data; 638 break; 639 640 641 case 'cmvd': // Compressed MooV Data atom 642 // Code by ubergeekØubergeek*tv based on information from 643 // http://developer.apple.com/quicktime/icefloe/dispatch012.html 644 $atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 645 646 $CompressedFileData = substr($atom_data, 4); 647 if ($UncompressedHeader = @gzuncompress($CompressedFileData)) { 648 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, 0, $atomHierarchy, $ParseAllPossibleAtoms); 649 } else { 650 $this->warning('Error decompressing compressed MOV atom at offset '.$atom_structure['offset']); 651 } 652 break; 653 654 655 case 'dcom': // Data COMpression atom 656 $atom_structure['compression_id'] = $atom_data; 657 $atom_structure['compression_text'] = $this->QuicktimeDCOMLookup($atom_data); 658 break; 659 660 661 case 'rdrf': // Reference movie Data ReFerence atom 662 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 663 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 664 $atom_structure['flags']['internal_data'] = (bool) ($atom_structure['flags_raw'] & 0x000001); 665 666 $atom_structure['reference_type_name'] = substr($atom_data, 4, 4); 667 $atom_structure['reference_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 668 switch ($atom_structure['reference_type_name']) { 669 case 'url ': 670 $atom_structure['url'] = $this->NoNullString(substr($atom_data, 12)); 671 break; 672 673 case 'alis': 674 $atom_structure['file_alias'] = substr($atom_data, 12); 675 break; 676 677 case 'rsrc': 678 $atom_structure['resource_alias'] = substr($atom_data, 12); 679 break; 680 681 default: 682 $atom_structure['data'] = substr($atom_data, 12); 683 break; 684 } 685 break; 686 687 688 case 'rmqu': // Reference Movie QUality atom 689 $atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data); 690 break; 691 692 693 case 'rmcs': // Reference Movie Cpu Speed atom 694 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 695 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 696 $atom_structure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 697 break; 698 699 700 case 'rmvc': // Reference Movie Version Check atom 701 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 702 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 703 $atom_structure['gestalt_selector'] = substr($atom_data, 4, 4); 704 $atom_structure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 705 $atom_structure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 706 $atom_structure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); 707 break; 708 709 710 case 'rmcd': // Reference Movie Component check atom 711 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 712 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 713 $atom_structure['component_type'] = substr($atom_data, 4, 4); 714 $atom_structure['component_subtype'] = substr($atom_data, 8, 4); 715 $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); 716 $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 717 $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); 718 $atom_structure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 4)); 719 break; 720 721 722 case 'rmdr': // Reference Movie Data Rate atom 723 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 724 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 725 $atom_structure['data_rate'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 726 727 $atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10; 728 break; 729 730 731 case 'rmla': // Reference Movie Language Atom 732 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 733 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 734 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 735 736 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); 737 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { 738 $info['comments']['language'][] = $atom_structure['language']; 739 } 740 break; 741 742 743 case 'ptv ': // Print To Video - defines a movie's full screen mode 744 // http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm 745 $atom_structure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); 746 $atom_structure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); // hardcoded: 0x0000 747 $atom_structure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x0000 748 $atom_structure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 1)); 749 $atom_structure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 7, 1)); 750 751 $atom_structure['flags']['play_on_open'] = (bool) $atom_structure['play_on_open_flag']; 752 $atom_structure['flags']['slide_show'] = (bool) $atom_structure['slide_show_flag']; 753 754 $ptv_lookup = array( 755 0 => 'normal', 756 1 => 'double', 757 2 => 'half', 758 3 => 'full', 759 4 => 'current' 760 ); 761 if (isset($ptv_lookup[$atom_structure['display_size_raw']])) { 762 $atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']]; 763 } else { 764 $this->warning('unknown "ptv " display constant ('.$atom_structure['display_size_raw'].')'); 765 } 766 break; 767 768 769 case 'stsd': // Sample Table Sample Description atom 770 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 771 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 772 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 773 774 // see: https://github.com/JamesHeinrich/getID3/issues/111 775 // Some corrupt files have been known to have high bits set in the number_entries field 776 // This field shouldn't really need to be 32-bits, values stores are likely in the range 1-100000 777 // Workaround: mask off the upper byte and throw a warning if it's nonzero 778 if ($atom_structure['number_entries'] > 0x000FFFFF) { 779 if ($atom_structure['number_entries'] > 0x00FFFFFF) { 780 $this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($atom_data, 4, 4), true, false).' = '.$atom_structure['number_entries'].'), probably in error. Ignoring upper byte and interpreting this as 0x'.getid3_lib::PrintHexBytes(substr($atom_data, 5, 3), true, false).' = '.($atom_structure['number_entries'] & 0x00FFFFFF)); 781 $atom_structure['number_entries'] = ($atom_structure['number_entries'] & 0x00FFFFFF); 782 } else { 783 $this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($atom_data, 4, 4), true, false).' = '.$atom_structure['number_entries'].'), probably in error. Please report this to info@getid3.org referencing bug report #111'); 784 } 785 } 786 787 $stsdEntriesDataOffset = 8; 788 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 789 $atom_structure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 4)); 790 $stsdEntriesDataOffset += 4; 791 $atom_structure['sample_description_table'][$i]['data_format'] = substr($atom_data, $stsdEntriesDataOffset, 4); 792 $stsdEntriesDataOffset += 4; 793 $atom_structure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 6)); 794 $stsdEntriesDataOffset += 6; 795 $atom_structure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 2)); 796 $stsdEntriesDataOffset += 2; 797 $atom_structure['sample_description_table'][$i]['data'] = substr($atom_data, $stsdEntriesDataOffset, ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2)); 798 $stsdEntriesDataOffset += ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2); 799 800 if (substr($atom_structure['sample_description_table'][$i]['data'], 1, 54) == 'application/octet-stream;type=com.parrot.videometadata') { 801 // special handling for apparently-malformed (TextMetaDataSampleEntry?) data for some version of Parrot drones 802 $atom_structure['sample_description_table'][$i]['parrot_frame_metadata']['mime_type'] = substr($atom_structure['sample_description_table'][$i]['data'], 1, 55); 803 $atom_structure['sample_description_table'][$i]['parrot_frame_metadata']['metadata_version'] = (int) substr($atom_structure['sample_description_table'][$i]['data'], 55, 1); 804 unset($atom_structure['sample_description_table'][$i]['data']); 805$this->warning('incomplete/incorrect handling of "stsd" with Parrot metadata in this version of getID3() ['.$this->getid3->version().']'); 806 continue; 807 } 808 809 $atom_structure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 0, 2)); 810 $atom_structure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 2, 2)); 811 $atom_structure['sample_description_table'][$i]['encoder_vendor'] = substr($atom_structure['sample_description_table'][$i]['data'], 4, 4); 812 813 switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) { 814 815 case "\x00\x00\x00\x00": 816 // audio tracks 817 $atom_structure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 2)); 818 $atom_structure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 10, 2)); 819 $atom_structure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 2)); 820 $atom_structure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 14, 2)); 821 $atom_structure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16, 4)); 822 823 // video tracks 824 // http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap3/qtff3.html 825 $atom_structure['sample_description_table'][$i]['temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); 826 $atom_structure['sample_description_table'][$i]['spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); 827 $atom_structure['sample_description_table'][$i]['width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); 828 $atom_structure['sample_description_table'][$i]['height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); 829 $atom_structure['sample_description_table'][$i]['resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); 830 $atom_structure['sample_description_table'][$i]['resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); 831 $atom_structure['sample_description_table'][$i]['data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 4)); 832 $atom_structure['sample_description_table'][$i]['frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 36, 2)); 833 $atom_structure['sample_description_table'][$i]['compressor_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 38, 4); 834 $atom_structure['sample_description_table'][$i]['pixel_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 42, 2)); 835 $atom_structure['sample_description_table'][$i]['color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 44, 2)); 836 837 switch ($atom_structure['sample_description_table'][$i]['data_format']) { 838 case '2vuY': 839 case 'avc1': 840 case 'cvid': 841 case 'dvc ': 842 case 'dvcp': 843 case 'gif ': 844 case 'h263': 845 case 'jpeg': 846 case 'kpcd': 847 case 'mjpa': 848 case 'mjpb': 849 case 'mp4v': 850 case 'png ': 851 case 'raw ': 852 case 'rle ': 853 case 'rpza': 854 case 'smc ': 855 case 'SVQ1': 856 case 'SVQ3': 857 case 'tiff': 858 case 'v210': 859 case 'v216': 860 case 'v308': 861 case 'v408': 862 case 'v410': 863 case 'yuv2': 864 $info['fileformat'] = 'mp4'; 865 $info['video']['fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; 866 if ($this->QuicktimeVideoCodecLookup($info['video']['fourcc'])) { 867 $info['video']['fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($info['video']['fourcc']); 868 } 869 870 // https://www.getid3.org/phpBB3/viewtopic.php?t=1550 871 //if ((!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['width'])) && (empty($info['video']['resolution_x']) || empty($info['video']['resolution_y']) || (number_format($info['video']['resolution_x'], 6) != number_format(round($info['video']['resolution_x']), 6)) || (number_format($info['video']['resolution_y'], 6) != number_format(round($info['video']['resolution_y']), 6)))) { // ugly check for floating point numbers 872 if (!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['height'])) { 873 // assume that values stored here are more important than values stored in [tkhd] atom 874 $info['video']['resolution_x'] = $atom_structure['sample_description_table'][$i]['width']; 875 $info['video']['resolution_y'] = $atom_structure['sample_description_table'][$i]['height']; 876 $info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x']; 877 $info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y']; 878 } 879 break; 880 881 case 'qtvr': 882 $info['video']['dataformat'] = 'quicktimevr'; 883 break; 884 885 case 'mp4a': 886 default: 887 $info['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); 888 $info['quicktime']['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate']; 889 $info['quicktime']['audio']['channels'] = $atom_structure['sample_description_table'][$i]['audio_channels']; 890 $info['quicktime']['audio']['bit_depth'] = $atom_structure['sample_description_table'][$i]['audio_bit_depth']; 891 $info['audio']['codec'] = $info['quicktime']['audio']['codec']; 892 $info['audio']['sample_rate'] = $info['quicktime']['audio']['sample_rate']; 893 $info['audio']['channels'] = $info['quicktime']['audio']['channels']; 894 $info['audio']['bits_per_sample'] = $info['quicktime']['audio']['bit_depth']; 895 switch ($atom_structure['sample_description_table'][$i]['data_format']) { 896 case 'raw ': // PCM 897 case 'alac': // Apple Lossless Audio Codec 898 case 'sowt': // signed/two's complement (Little Endian) 899 case 'twos': // signed/two's complement (Big Endian) 900 case 'in24': // 24-bit Integer 901 case 'in32': // 32-bit Integer 902 case 'fl32': // 32-bit Floating Point 903 case 'fl64': // 64-bit Floating Point 904 $info['audio']['lossless'] = $info['quicktime']['audio']['lossless'] = true; 905 $info['audio']['bitrate'] = $info['quicktime']['audio']['bitrate'] = $info['audio']['channels'] * $info['audio']['bits_per_sample'] * $info['audio']['sample_rate']; 906 break; 907 default: 908 $info['audio']['lossless'] = false; 909 break; 910 } 911 break; 912 } 913 break; 914 915 default: 916 switch ($atom_structure['sample_description_table'][$i]['data_format']) { 917 case 'mp4s': 918 $info['fileformat'] = 'mp4'; 919 break; 920 921 default: 922 // video atom 923 $atom_structure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); 924 $atom_structure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); 925 $atom_structure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); 926 $atom_structure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); 927 $atom_structure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20, 4)); 928 $atom_structure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); 929 $atom_structure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); 930 $atom_structure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 2)); 931 $atom_structure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 34, 1)); 932 $atom_structure['sample_description_table'][$i]['video_encoder_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']); 933 $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66, 2)); 934 $atom_structure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68, 2)); 935 936 $atom_structure['sample_description_table'][$i]['video_pixel_color_type'] = (((int) $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color'); 937 $atom_structure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']); 938 939 if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') { 940 $info['quicktime']['video']['codec_fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; 941 $info['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); 942 $info['quicktime']['video']['codec'] = (((int) $atom_structure['sample_description_table'][$i]['video_encoder_name_len'] > 0) ? $atom_structure['sample_description_table'][$i]['video_encoder_name'] : $atom_structure['sample_description_table'][$i]['data_format']); 943 $info['quicktime']['video']['color_depth'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth']; 944 $info['quicktime']['video']['color_depth_name'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_name']; 945 946 $info['video']['codec'] = $info['quicktime']['video']['codec']; 947 $info['video']['bits_per_sample'] = $info['quicktime']['video']['color_depth']; 948 } 949 $info['video']['lossless'] = false; 950 $info['video']['pixel_aspect_ratio'] = (float) 1; 951 break; 952 } 953 break; 954 } 955 switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) { 956 case 'mp4a': 957 $info['audio']['dataformat'] = 'mp4'; 958 $info['quicktime']['audio']['codec'] = 'mp4'; 959 break; 960 961 case '3ivx': 962 case '3iv1': 963 case '3iv2': 964 $info['video']['dataformat'] = '3ivx'; 965 break; 966 967 case 'xvid': 968 $info['video']['dataformat'] = 'xvid'; 969 break; 970 971 case 'mp4v': 972 $info['video']['dataformat'] = 'mpeg4'; 973 break; 974 975 case 'divx': 976 case 'div1': 977 case 'div2': 978 case 'div3': 979 case 'div4': 980 case 'div5': 981 case 'div6': 982 $info['video']['dataformat'] = 'divx'; 983 break; 984 985 default: 986 // do nothing 987 break; 988 } 989 unset($atom_structure['sample_description_table'][$i]['data']); 990 } 991 break; 992 993 994 case 'stts': // Sample Table Time-to-Sample atom 995 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 996 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 997 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 998 $sttsEntriesDataOffset = 8; 999 //$FrameRateCalculatorArray = array(); 1000 $frames_count = 0; 1001 1002 $max_stts_entries_to_scan = ($info['php_memory_limit'] ? min(floor($this->getid3->memory_limit / 10000), $atom_structure['number_entries']) : $atom_structure['number_entries']); 1003 if ($max_stts_entries_to_scan < $atom_structure['number_entries']) { 1004 $this->warning('QuickTime atom "stts" has '.$atom_structure['number_entries'].' but only scanning the first '.$max_stts_entries_to_scan.' entries due to limited PHP memory available ('.floor($this->getid3->memory_limit / 1048576).'MB).'); 1005 } 1006 for ($i = 0; $i < $max_stts_entries_to_scan; $i++) { 1007 $atom_structure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); 1008 $sttsEntriesDataOffset += 4; 1009 $atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); 1010 $sttsEntriesDataOffset += 4; 1011 1012 $frames_count += $atom_structure['time_to_sample_table'][$i]['sample_count']; 1013 1014 // THIS SECTION REPLACED WITH CODE IN "stbl" ATOM 1015 //if (!empty($info['quicktime']['time_scale']) && ($atom_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) { 1016 // $stts_new_framerate = $info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration']; 1017 // if ($stts_new_framerate <= 60) { 1018 // // some atoms have durations of "1" giving a very large framerate, which probably is not right 1019 // $info['video']['frame_rate'] = max($info['video']['frame_rate'], $stts_new_framerate); 1020 // } 1021 //} 1022 // 1023 //$FrameRateCalculatorArray[($info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count']; 1024 } 1025 $info['quicktime']['stts_framecount'][] = $frames_count; 1026 //$sttsFramesTotal = 0; 1027 //$sttsSecondsTotal = 0; 1028 //foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) { 1029 // if (($frames_per_second > 60) || ($frames_per_second < 1)) { 1030 // // not video FPS information, probably audio information 1031 // $sttsFramesTotal = 0; 1032 // $sttsSecondsTotal = 0; 1033 // break; 1034 // } 1035 // $sttsFramesTotal += $frame_count; 1036 // $sttsSecondsTotal += $frame_count / $frames_per_second; 1037 //} 1038 //if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) { 1039 // if (($sttsFramesTotal / $sttsSecondsTotal) > $info['video']['frame_rate']) { 1040 // $info['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal; 1041 // } 1042 //} 1043 break; 1044 1045 1046 case 'stss': // Sample Table Sync Sample (key frames) atom 1047 if ($ParseAllPossibleAtoms) { 1048 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1049 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1050 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1051 $stssEntriesDataOffset = 8; 1052 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1053 $atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stssEntriesDataOffset, 4)); 1054 $stssEntriesDataOffset += 4; 1055 } 1056 } 1057 break; 1058 1059 1060 case 'stsc': // Sample Table Sample-to-Chunk atom 1061 if ($ParseAllPossibleAtoms) { 1062 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1063 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1064 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1065 $stscEntriesDataOffset = 8; 1066 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1067 $atom_structure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); 1068 $stscEntriesDataOffset += 4; 1069 $atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); 1070 $stscEntriesDataOffset += 4; 1071 $atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); 1072 $stscEntriesDataOffset += 4; 1073 } 1074 } 1075 break; 1076 1077 1078 case 'stsz': // Sample Table SiZe atom 1079 if ($ParseAllPossibleAtoms) { 1080 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1081 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1082 $atom_structure['sample_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1083 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1084 $stszEntriesDataOffset = 12; 1085 if ($atom_structure['sample_size'] == 0) { 1086 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1087 $atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4)); 1088 $stszEntriesDataOffset += 4; 1089 } 1090 } 1091 } 1092 break; 1093 1094 1095 case 'stco': // Sample Table Chunk Offset atom 1096// if (true) { 1097 if ($ParseAllPossibleAtoms) { 1098 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1099 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1100 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1101 $stcoEntriesDataOffset = 8; 1102 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1103 $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4)); 1104 $stcoEntriesDataOffset += 4; 1105 } 1106 } 1107 break; 1108 1109 1110 case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files) 1111 if ($ParseAllPossibleAtoms) { 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)); // hardcoded: 0x0000 1114 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1115 $stcoEntriesDataOffset = 8; 1116 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1117 $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8)); 1118 $stcoEntriesDataOffset += 8; 1119 } 1120 } 1121 break; 1122 1123 1124 case 'dref': // Data REFerence atom 1125 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1126 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1127 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1128 $drefDataOffset = 8; 1129 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1130 $atom_structure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 4)); 1131 $drefDataOffset += 4; 1132 $atom_structure['data_references'][$i]['type'] = substr($atom_data, $drefDataOffset, 4); 1133 $drefDataOffset += 4; 1134 $atom_structure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 1)); 1135 $drefDataOffset += 1; 1136 $atom_structure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 3)); // hardcoded: 0x0000 1137 $drefDataOffset += 3; 1138 $atom_structure['data_references'][$i]['data'] = substr($atom_data, $drefDataOffset, ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3)); 1139 $drefDataOffset += ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3); 1140 1141 $atom_structure['data_references'][$i]['flags']['self_reference'] = (bool) ($atom_structure['data_references'][$i]['flags_raw'] & 0x001); 1142 } 1143 break; 1144 1145 1146 case 'gmin': // base Media INformation atom 1147 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1148 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1149 $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 1150 $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); 1151 $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); 1152 $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); 1153 $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 2)); 1154 $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); 1155 break; 1156 1157 1158 case 'smhd': // Sound Media information HeaDer atom 1159 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1160 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1161 $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 1162 $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); 1163 break; 1164 1165 1166 case 'vmhd': // Video Media information HeaDer atom 1167 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1168 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1169 $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 1170 $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); 1171 $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); 1172 $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); 1173 1174 $atom_structure['flags']['no_lean_ahead'] = (bool) ($atom_structure['flags_raw'] & 0x001); 1175 break; 1176 1177 1178 case 'hdlr': // HanDLeR reference atom 1179 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1180 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1181 $atom_structure['component_type'] = substr($atom_data, 4, 4); 1182 $atom_structure['component_subtype'] = substr($atom_data, 8, 4); 1183 $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); 1184 $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1185 $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); 1186 $atom_structure['component_name'] = $this->MaybePascal2String(substr($atom_data, 24)); 1187 1188 if (($atom_structure['component_subtype'] == 'STpn') && ($atom_structure['component_manufacturer'] == 'zzzz')) { 1189 $info['video']['dataformat'] = 'quicktimevr'; 1190 } 1191 break; 1192 1193 1194 case 'mdhd': // MeDia HeaDer atom 1195 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1196 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1197 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1198 $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1199 $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1200 $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1201 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 2)); 1202 $atom_structure['quality'] = getid3_lib::BigEndian2Int(substr($atom_data, 22, 2)); 1203 1204 if ($atom_structure['time_scale'] == 0) { 1205 $this->error('Corrupt Quicktime file: mdhd.time_scale == zero'); 1206 return false; 1207 } 1208 $info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']); 1209 1210 $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); 1211 $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); 1212 $atom_structure['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; 1213 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); 1214 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { 1215 $info['comments']['language'][] = $atom_structure['language']; 1216 } 1217 $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; 1218 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; 1219 break; 1220 1221 1222 case 'pnot': // Preview atom 1223 $atom_structure['modification_date'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // "standard Macintosh format" 1224 $atom_structure['version_number'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x00 1225 $atom_structure['atom_type'] = substr($atom_data, 6, 4); // usually: 'PICT' 1226 $atom_structure['atom_index'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); // usually: 0x01 1227 1228 $atom_structure['modification_date_unix'] = getid3_lib::DateMac2Unix($atom_structure['modification_date']); 1229 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modification_date_unix']; 1230 break; 1231 1232 1233 case 'crgn': // Clipping ReGioN atom 1234 $atom_structure['region_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); // The Region size, Region boundary box, 1235 $atom_structure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 8)); // and Clipping region data fields 1236 $atom_structure['clipping_data'] = substr($atom_data, 10); // constitute a QuickDraw region. 1237 break; 1238 1239 1240 case 'load': // track LOAD settings atom 1241 $atom_structure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 1242 $atom_structure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1243 $atom_structure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1244 $atom_structure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1245 1246 $atom_structure['default_hints']['double_buffer'] = (bool) ($atom_structure['default_hints_raw'] & 0x0020); 1247 $atom_structure['default_hints']['high_quality'] = (bool) ($atom_structure['default_hints_raw'] & 0x0100); 1248 break; 1249 1250 1251 case 'tmcd': // TiMe CoDe atom 1252 case 'chap': // CHAPter list atom 1253 case 'sync': // SYNChronization atom 1254 case 'scpt': // tranSCriPT atom 1255 case 'ssrc': // non-primary SouRCe atom 1256 for ($i = 0; $i < strlen($atom_data); $i += 4) { 1257 @$atom_structure['track_id'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); 1258 } 1259 break; 1260 1261 1262 case 'elst': // Edit LiST atom 1263 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1264 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1265 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1266 for ($i = 0; $i < $atom_structure['number_entries']; $i++ ) { 1267 $atom_structure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 0, 4)); 1268 $atom_structure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 4, 4)); 1269 $atom_structure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 8 + ($i * 12) + 8, 4)); 1270 } 1271 break; 1272 1273 1274 case 'kmat': // compressed MATte atom 1275 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1276 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1277 $atom_structure['matte_data_raw'] = substr($atom_data, 4); 1278 break; 1279 1280 1281 case 'ctab': // Color TABle atom 1282 $atom_structure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // hardcoded: 0x00000000 1283 $atom_structure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x8000 1284 $atom_structure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)) + 1; 1285 for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) { 1286 $atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 0, 2)); 1287 $atom_structure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 2, 2)); 1288 $atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 4, 2)); 1289 $atom_structure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 6, 2)); 1290 } 1291 break; 1292 1293 1294 case 'mvhd': // MoVie HeaDer atom 1295 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1296 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1297 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1298 $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1299 $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1300 $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1301 $atom_structure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 20, 4)); 1302 $atom_structure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 24, 2)); 1303 $atom_structure['reserved'] = substr($atom_data, 26, 10); 1304 $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 36, 4)); 1305 $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); 1306 $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 44, 4)); 1307 $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4)); 1308 $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); 1309 $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 56, 4)); 1310 $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4)); 1311 $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); 1312 $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4)); 1313 $atom_structure['preview_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 72, 4)); 1314 $atom_structure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 76, 4)); 1315 $atom_structure['poster_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 80, 4)); 1316 $atom_structure['selection_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 84, 4)); 1317 $atom_structure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 88, 4)); 1318 $atom_structure['current_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 92, 4)); 1319 $atom_structure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 96, 4)); 1320 1321 if ($atom_structure['time_scale'] == 0) { 1322 $this->error('Corrupt Quicktime file: mvhd.time_scale == zero'); 1323 return false; 1324 } 1325 $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); 1326 $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); 1327 $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; 1328 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; 1329 $info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']); 1330 $info['quicktime']['display_scale'] = $atom_structure['matrix_a']; 1331 $info['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; 1332 break; 1333 1334 1335 case 'tkhd': // TracK HeaDer atom 1336 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1337 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1338 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1339 $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1340 $atom_structure['trackid'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1341 $atom_structure['reserved1'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1342 $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); 1343 $atom_structure['reserved2'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 8)); 1344 $atom_structure['layer'] = getid3_lib::BigEndian2Int(substr($atom_data, 32, 2)); 1345 $atom_structure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atom_data, 34, 2)); 1346 $atom_structure['volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 36, 2)); 1347 $atom_structure['reserved3'] = getid3_lib::BigEndian2Int(substr($atom_data, 38, 2)); 1348 // http://developer.apple.com/library/mac/#documentation/QuickTime/RM/MovieBasics/MTEditing/K-Chapter/11MatrixFunctions.html 1349 // http://developer.apple.com/library/mac/#documentation/QuickTime/qtff/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-18737 1350 $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); 1351 $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 44, 4)); 1352 $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 48, 4)); 1353 $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); 1354 $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 56, 4)); 1355 $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 60, 4)); 1356 $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); 1357 $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 68, 4)); 1358 $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 72, 4)); 1359 $atom_structure['width'] = getid3_lib::FixedPoint16_16(substr($atom_data, 76, 4)); 1360 $atom_structure['height'] = getid3_lib::FixedPoint16_16(substr($atom_data, 80, 4)); 1361 $atom_structure['flags']['enabled'] = (bool) ($atom_structure['flags_raw'] & 0x0001); 1362 $atom_structure['flags']['in_movie'] = (bool) ($atom_structure['flags_raw'] & 0x0002); 1363 $atom_structure['flags']['in_preview'] = (bool) ($atom_structure['flags_raw'] & 0x0004); 1364 $atom_structure['flags']['in_poster'] = (bool) ($atom_structure['flags_raw'] & 0x0008); 1365 $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); 1366 $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); 1367 $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; 1368 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; 1369 1370 // https://www.getid3.org/phpBB3/viewtopic.php?t=1908 1371 // attempt to compute rotation from matrix values 1372 // 2017-Dec-28: uncertain if 90/270 are correctly oriented; values returned by FixedPoint16_16 should perhaps be -1 instead of 65535(?) 1373 $matrixRotation = 0; 1374 switch ($atom_structure['matrix_a'].':'.$atom_structure['matrix_b'].':'.$atom_structure['matrix_c'].':'.$atom_structure['matrix_d']) { 1375 case '1:0:0:1': $matrixRotation = 0; break; 1376 case '0:1:65535:0': $matrixRotation = 90; break; 1377 case '65535:0:0:65535': $matrixRotation = 180; break; 1378 case '0:65535:1:0': $matrixRotation = 270; break; 1379 default: break; 1380 } 1381 1382 // https://www.getid3.org/phpBB3/viewtopic.php?t=2468 1383 // The rotation matrix can appear in the Quicktime file multiple times, at least once for each track, 1384 // and it's possible that only the video track (or, in theory, one of the video tracks) is flagged as 1385 // rotated while the other tracks (e.g. audio) is tagged as rotation=0 (behavior noted on iPhone 8 Plus) 1386 // The correct solution would be to check if the TrackID associated with the rotation matrix is indeed 1387 // a video track (or the main video track) and only set the rotation then, but since information about 1388 // what track is what is not trivially there to be examined, the lazy solution is to set the rotation 1389 // if it is found to be nonzero, on the assumption that tracks that don't need it will have rotation set 1390 // to zero (and be effectively ignored) and the video track will have rotation set correctly, which will 1391 // either be zero and automatically correct, or nonzero and be set correctly. 1392 if (!isset($info['video']['rotate']) || (($info['video']['rotate'] == 0) && ($matrixRotation > 0))) { 1393 $info['quicktime']['video']['rotate'] = $info['video']['rotate'] = $matrixRotation; 1394 } 1395 1396 if ($atom_structure['flags']['enabled'] == 1) { 1397 if (!isset($info['video']['resolution_x']) || !isset($info['video']['resolution_y'])) { 1398 $info['video']['resolution_x'] = $atom_structure['width']; 1399 $info['video']['resolution_y'] = $atom_structure['height']; 1400 } 1401 $info['video']['resolution_x'] = max($info['video']['resolution_x'], $atom_structure['width']); 1402 $info['video']['resolution_y'] = max($info['video']['resolution_y'], $atom_structure['height']); 1403 $info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x']; 1404 $info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y']; 1405 } else { 1406 // see: https://www.getid3.org/phpBB3/viewtopic.php?t=1295 1407 //if (isset($info['video']['resolution_x'])) { unset($info['video']['resolution_x']); } 1408 //if (isset($info['video']['resolution_y'])) { unset($info['video']['resolution_y']); } 1409 //if (isset($info['quicktime']['video'])) { unset($info['quicktime']['video']); } 1410 } 1411 break; 1412 1413 1414 case 'iods': // Initial Object DeScriptor atom 1415 // http://www.koders.com/c/fid1FAB3E762903DC482D8A246D4A4BF9F28E049594.aspx?s=windows.h 1416 // http://libquicktime.sourcearchive.com/documentation/1.0.2plus-pdebian/iods_8c-source.html 1417 $offset = 0; 1418 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1419 $offset += 1; 1420 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 3)); 1421 $offset += 3; 1422 $atom_structure['mp4_iod_tag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1423 $offset += 1; 1424 $atom_structure['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); 1425 //$offset already adjusted by quicktime_read_mp4_descr_length() 1426 $atom_structure['object_descriptor_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); 1427 $offset += 2; 1428 $atom_structure['od_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1429 $offset += 1; 1430 $atom_structure['scene_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1431 $offset += 1; 1432 $atom_structure['audio_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1433 $offset += 1; 1434 $atom_structure['video_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1435 $offset += 1; 1436 $atom_structure['graphics_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1437 $offset += 1; 1438 1439 $atom_structure['num_iods_tracks'] = ($atom_structure['length'] - 7) / 6; // 6 bytes would only be right if all tracks use 1-byte length fields 1440 for ($i = 0; $i < $atom_structure['num_iods_tracks']; $i++) { 1441 $atom_structure['track'][$i]['ES_ID_IncTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1442 $offset += 1; 1443 $atom_structure['track'][$i]['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); 1444 //$offset already adjusted by quicktime_read_mp4_descr_length() 1445 $atom_structure['track'][$i]['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4)); 1446 $offset += 4; 1447 } 1448 1449 $atom_structure['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']); 1450 $atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']); 1451 break; 1452 1453 case 'ftyp': // FileTYPe (?) atom (for MP4 it seems) 1454 $atom_structure['signature'] = substr($atom_data, 0, 4); 1455 $atom_structure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1456 $atom_structure['fourcc'] = substr($atom_data, 8, 4); 1457 break; 1458 1459 case 'mdat': // Media DATa atom 1460 // 'mdat' contains the actual data for the audio/video, possibly also subtitles 1461 1462 /* due to lack of known documentation, this is a kludge implementation. If you know of documentation on how mdat is properly structed, please send it to info@getid3.org */ 1463 1464 // first, skip any 'wide' padding, and second 'mdat' header (with specified size of zero?) 1465 $mdat_offset = 0; 1466 while (true) { 1467 if (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x08".'wide') { 1468 $mdat_offset += 8; 1469 } elseif (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x00".'mdat') { 1470 $mdat_offset += 8; 1471 } else { 1472 break; 1473 } 1474 } 1475 if (substr($atom_data, $mdat_offset, 4) == 'GPRO') { 1476 $GOPRO_chunk_length = getid3_lib::LittleEndian2Int(substr($atom_data, $mdat_offset + 4, 4)); 1477 $GOPRO_offset = 8; 1478 $atom_structure['GPRO']['raw'] = substr($atom_data, $mdat_offset + 8, $GOPRO_chunk_length - 8); 1479 $atom_structure['GPRO']['firmware'] = substr($atom_structure['GPRO']['raw'], 0, 15); 1480 $atom_structure['GPRO']['unknown1'] = substr($atom_structure['GPRO']['raw'], 15, 16); 1481 $atom_structure['GPRO']['unknown2'] = substr($atom_structure['GPRO']['raw'], 31, 32); 1482 $atom_structure['GPRO']['unknown3'] = substr($atom_structure['GPRO']['raw'], 63, 16); 1483 $atom_structure['GPRO']['camera'] = substr($atom_structure['GPRO']['raw'], 79, 32); 1484 $info['quicktime']['camera']['model'] = rtrim($atom_structure['GPRO']['camera'], "\x00"); 1485 } 1486 1487 // check to see if it looks like chapter titles, in the form of unterminated strings with a leading 16-bit size field 1488 while (($mdat_offset < (strlen($atom_data) - 8)) 1489 && ($chapter_string_length = getid3_lib::BigEndian2Int(substr($atom_data, $mdat_offset, 2))) 1490 && ($chapter_string_length < 1000) 1491 && ($chapter_string_length <= (strlen($atom_data) - $mdat_offset - 2)) 1492 && preg_match('#^([\x00-\xFF]{2})([\x20-\xFF]+)$#', substr($atom_data, $mdat_offset, $chapter_string_length + 2), $chapter_matches)) { 1493 list($dummy, $chapter_string_length_hex, $chapter_string) = $chapter_matches; 1494 $mdat_offset += (2 + $chapter_string_length); 1495 @$info['quicktime']['comments']['chapters'][] = $chapter_string; 1496 1497 // "encd" atom specifies encoding. In theory could be anything, almost always UTF-8, but may be UTF-16 with BOM (not currently handled) 1498 if (substr($atom_data, $mdat_offset, 12) == "\x00\x00\x00\x0C\x65\x6E\x63\x64\x00\x00\x01\x00") { // UTF-8 1499 $mdat_offset += 12; 1500 } 1501 } 1502 1503 if (($atomsize > 8) && (!isset($info['avdataend_tmp']) || ($info['quicktime'][$atomname]['size'] > ($info['avdataend_tmp'] - $info['avdataoffset'])))) { 1504 1505 $info['avdataoffset'] = $atom_structure['offset'] + 8; // $info['quicktime'][$atomname]['offset'] + 8; 1506 $OldAVDataEnd = $info['avdataend']; 1507 $info['avdataend'] = $atom_structure['offset'] + $atom_structure['size']; // $info['quicktime'][$atomname]['offset'] + $info['quicktime'][$atomname]['size']; 1508 1509 $getid3_temp = new getID3(); 1510 $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); 1511 $getid3_temp->info['avdataoffset'] = $info['avdataoffset']; 1512 $getid3_temp->info['avdataend'] = $info['avdataend']; 1513 $getid3_mp3 = new getid3_mp3($getid3_temp); 1514 if ($getid3_mp3->MPEGaudioHeaderValid($getid3_mp3->MPEGaudioHeaderDecode($this->fread(4)))) { 1515 $getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false); 1516 if (!empty($getid3_temp->info['warning'])) { 1517 foreach ($getid3_temp->info['warning'] as $value) { 1518 $this->warning($value); 1519 } 1520 } 1521 if (!empty($getid3_temp->info['mpeg'])) { 1522 $info['mpeg'] = $getid3_temp->info['mpeg']; 1523 if (isset($info['mpeg']['audio'])) { 1524 $info['audio']['dataformat'] = 'mp3'; 1525 $info['audio']['codec'] = (!empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' :'mp3'))); 1526 $info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate']; 1527 $info['audio']['channels'] = $info['mpeg']['audio']['channels']; 1528 $info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate']; 1529 $info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']); 1530 $info['bitrate'] = $info['audio']['bitrate']; 1531 } 1532 } 1533 } 1534 unset($getid3_mp3, $getid3_temp); 1535 $info['avdataend'] = $OldAVDataEnd; 1536 unset($OldAVDataEnd); 1537 1538 } 1539 1540 unset($mdat_offset, $chapter_string_length, $chapter_matches); 1541 break; 1542 1543 case 'free': // FREE space atom 1544 case 'skip': // SKIP atom 1545 case 'wide': // 64-bit expansion placeholder atom 1546 // 'free', 'skip' and 'wide' are just padding, contains no useful data at all 1547 1548 // When writing QuickTime files, it is sometimes necessary to update an atom's size. 1549 // It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom 1550 // is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime 1551 // puts an 8-byte placeholder atom before any atoms it may have to update the size of. 1552 // In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the 1553 // placeholder atom can be overwritten to obtain the necessary 8 extra bytes. 1554 // The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ). 1555 break; 1556 1557 1558 case 'nsav': // NoSAVe atom 1559 // http://developer.apple.com/technotes/tn/tn2038.html 1560 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 1561 break; 1562 1563 case 'ctyp': // Controller TYPe atom (seen on QTVR) 1564 // http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt 1565 // some controller names are: 1566 // 0x00 + 'std' for linear movie 1567 // 'none' for no controls 1568 $atom_structure['ctyp'] = substr($atom_data, 0, 4); 1569 $info['quicktime']['controller'] = $atom_structure['ctyp']; 1570 switch ($atom_structure['ctyp']) { 1571 case 'qtvr': 1572 $info['video']['dataformat'] = 'quicktimevr'; 1573 break; 1574 } 1575 break; 1576 1577 case 'pano': // PANOrama track (seen on QTVR) 1578 $atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 1579 break; 1580 1581 case 'hint': // HINT track 1582 case 'hinf': // 1583 case 'hinv': // 1584 case 'hnti': // 1585 $info['quicktime']['hinting'] = true; 1586 break; 1587 1588 case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR) 1589 for ($i = 0; $i < ($atom_structure['size'] - 8); $i += 4) { 1590 $atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); 1591 } 1592 break; 1593 1594 1595 // Observed-but-not-handled atom types are just listed here to prevent warnings being generated 1596 case 'FXTC': // Something to do with Adobe After Effects (?) 1597 case 'PrmA': 1598 case 'code': 1599 case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html 1600 case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html 1601 // tapt seems to be used to compute the video size [https://www.getid3.org/phpBB3/viewtopic.php?t=838] 1602 // * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html 1603 // * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html 1604 case 'ctts':// STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1605 case 'cslg':// STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1606 case 'sdtp':// STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1607 case 'stps':// STPartialSyncSampleAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1608 //$atom_structure['data'] = $atom_data; 1609 break; 1610 1611 case "\xA9".'xyz': // GPS latitude+longitude+altitude 1612 $atom_structure['data'] = $atom_data; 1613 if (preg_match('#([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)?/$#i', $atom_data, $matches)) { 1614 @list($all, $latitude, $longitude, $altitude) = $matches; 1615 $info['quicktime']['comments']['gps_latitude'][] = floatval($latitude); 1616 $info['quicktime']['comments']['gps_longitude'][] = floatval($longitude); 1617 if (!empty($altitude)) { 1618 $info['quicktime']['comments']['gps_altitude'][] = floatval($altitude); 1619 } 1620 } else { 1621 $this->warning('QuickTime atom "©xyz" data does not match expected data pattern at offset '.$baseoffset.'. Please report as getID3() bug.'); 1622 } 1623 break; 1624 1625 case 'NCDT': 1626 // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html 1627 // Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100 1628 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms); 1629 break; 1630 case 'NCTH': // Nikon Camera THumbnail image 1631 case 'NCVW': // Nikon Camera preVieW image 1632 // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html 1633 if (preg_match('/^\xFF\xD8\xFF/', $atom_data)) { 1634 $atom_structure['data'] = $atom_data; 1635 $atom_structure['image_mime'] = 'image/jpeg'; 1636 $atom_structure['description'] = (($atomname == 'NCTH') ? 'Nikon Camera Thumbnail Image' : (($atomname == 'NCVW') ? 'Nikon Camera Preview Image' : 'Nikon preview image')); 1637 $info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_data, 'description'=>$atom_structure['description']); 1638 } 1639 break; 1640 case 'NCTG': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG 1641 $atom_structure['data'] = $this->QuicktimeParseNikonNCTG($atom_data); 1642 break; 1643 case 'NCHD': // Nikon:MakerNoteVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html 1644 case 'NCDB': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html 1645 case 'CNCV': // Canon:CompressorVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Canon.html 1646 $atom_structure['data'] = $atom_data; 1647 break; 1648 1649 case "\x00\x00\x00\x00": 1650 // some kind of metacontainer, may contain a big data dump such as: 1651 // mdta keys \005 mdtacom.apple.quicktime.make (mdtacom.apple.quicktime.creationdate ,mdtacom.apple.quicktime.location.ISO6709 $mdtacom.apple.quicktime.software !mdtacom.apple.quicktime.model ilst \01D \001 \015data \001DE\010Apple 0 \002 (data \001DE\0102011-05-11T17:54:04+0200 2 \003 *data \001DE\010+52.4936+013.3897+040.247/ \01D \004 \015data \001DE\0104.3.1 \005 \018data \001DE\010iPhone 4 1652 // http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt 1653 1654 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1655 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1656 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom(substr($atom_data, 4), $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 1657 //$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 1658 break; 1659 1660 case 'meta': // METAdata atom 1661 // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html 1662 1663 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1664 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1665 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 1666 break; 1667 1668 case 'data': // metaDATA atom 1669 static $metaDATAkey = 1; // real ugly, but so is the QuickTime structure that stores keys and values in different multinested locations that are hard to relate to each other 1670 // seems to be 2 bytes language code (ASCII), 2 bytes unknown (set to 0x10B5 in sample I have), remainder is useful data 1671 $atom_structure['language'] = substr($atom_data, 4 + 0, 2); 1672 $atom_structure['unknown'] = getid3_lib::BigEndian2Int(substr($atom_data, 4 + 2, 2)); 1673 $atom_structure['data'] = substr($atom_data, 4 + 4); 1674 $atom_structure['key_name'] = @$info['quicktime']['temp_meta_key_names'][$metaDATAkey++]; 1675 1676 if ($atom_structure['key_name'] && $atom_structure['data']) { 1677 @$info['quicktime']['comments'][str_replace('com.apple.quicktime.', '', $atom_structure['key_name'])][] = $atom_structure['data']; 1678 } 1679 break; 1680 1681 case 'keys': // KEYS that may be present in the metadata atom. 1682 // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html#//apple_ref/doc/uid/TP40000939-CH1-SW21 1683 // The metadata item keys atom holds a list of the metadata keys that may be present in the metadata atom. 1684 // This list is indexed starting with 1; 0 is a reserved index value. The metadata item keys atom is a full atom with an atom type of "keys". 1685 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1686 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1687 $atom_structure['entry_count'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1688 $keys_atom_offset = 8; 1689 for ($i = 1; $i <= $atom_structure['entry_count']; $i++) { 1690 $atom_structure['keys'][$i]['key_size'] = getid3_lib::BigEndian2Int(substr($atom_data, $keys_atom_offset + 0, 4)); 1691 $atom_structure['keys'][$i]['key_namespace'] = substr($atom_data, $keys_atom_offset + 4, 4); 1692 $atom_structure['keys'][$i]['key_value'] = substr($atom_data, $keys_atom_offset + 8, $atom_structure['keys'][$i]['key_size'] - 8); 1693 $keys_atom_offset += $atom_structure['keys'][$i]['key_size']; // key_size includes the 4+4 bytes for key_size and key_namespace 1694 1695 $info['quicktime']['temp_meta_key_names'][$i] = $atom_structure['keys'][$i]['key_value']; 1696 } 1697 break; 1698 1699 case 'uuid': // user-defined atom often seen containing XML data, also used for potentially many other purposes, only a few specifically handled by getID3 (e.g. 360fly spatial data) 1700 //Get the UUID ID in first 16 bytes 1701 $uuid_bytes_read = unpack('H8time_low/H4time_mid/H4time_hi/H4clock_seq_hi/H12clock_seq_low', substr($atom_data, 0, 16)); 1702 $atom_structure['uuid_field_id'] = implode('-', $uuid_bytes_read); 1703 1704 switch ($atom_structure['uuid_field_id']) { // http://fileformats.archiveteam.org/wiki/Boxes/atoms_format#UUID_boxes 1705 1706 case '0537cdab-9d0c-4431-a72a-fa561f2a113e': // Exif - http://fileformats.archiveteam.org/wiki/Exif 1707 case '2c4c0100-8504-40b9-a03e-562148d6dfeb': // Photoshop Image Resources - http://fileformats.archiveteam.org/wiki/Photoshop_Image_Resources 1708 case '33c7a4d2-b81d-4723-a0ba-f1a3e097ad38': // IPTC-IIM - http://fileformats.archiveteam.org/wiki/IPTC-IIM 1709 case '8974dbce-7be7-4c51-84f9-7148f9882554': // PIFF Track Encryption Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format 1710 case '96a9f1f1-dc98-402d-a7ae-d68e34451809': // GeoJP2 World File Box - http://fileformats.archiveteam.org/wiki/GeoJP2 1711 case 'a2394f52-5a9b-4f14-a244-6c427c648df4': // PIFF Sample Encryption Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format 1712 case 'b14bf8bd-083d-4b43-a5ae-8cd7d5a6ce03': // GeoJP2 GeoTIFF Box - http://fileformats.archiveteam.org/wiki/GeoJP2 1713 case 'd08a4f18-10f3-4a82-b6c8-32d8aba183d3': // PIFF Protection System Specific Header Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format 1714 $this->warning('Unhandled (but recognized) "uuid" atom identified by "'.$atom_structure['uuid_field_id'].'" at offset '.$atom_structure['offset'].' ('.strlen($atom_data).' bytes)'); 1715 break; 1716 1717 case 'be7acfcb-97a9-42e8-9c71-999491e3afac': // XMP data (in XML format) 1718 $atom_structure['xml'] = substr($atom_data, 16, strlen($atom_data) - 16 - 8); // 16 bytes for UUID, 8 bytes header(?) 1719 break; 1720 1721 case 'efe1589a-bb77-49ef-8095-27759eb1dc6f': // 360fly data 1722 /* 360fly code in this block by Paul Lewis 2019-Oct-31 */ 1723 /* Sensor Timestamps need to be calculated using the recordings base time at ['quicktime']['moov']['subatoms'][0]['creation_time_unix']. */ 1724 $atom_structure['title'] = '360Fly Sensor Data'; 1725 1726 //Get the UUID HEADER data 1727 $uuid_bytes_read = unpack('vheader_size/vheader_version/vtimescale/vhardware_version/x/x/x/x/x/x/x/x/x/x/x/x/x/x/x/x/', substr($atom_data, 16, 32)); 1728 $atom_structure['uuid_header'] = $uuid_bytes_read; 1729 1730 $start_byte = 48; 1731 $atom_SENSOR_data = substr($atom_data, $start_byte); 1732 $atom_structure['sensor_data']['data_type'] = array( 1733 'fusion_count' => 0, // ID 250 1734 'fusion_data' => array(), 1735 'accel_count' => 0, // ID 1 1736 'accel_data' => array(), 1737 'gyro_count' => 0, // ID 2 1738 'gyro_data' => array(), 1739 'magno_count' => 0, // ID 3 1740 'magno_data' => array(), 1741 'gps_count' => 0, // ID 5 1742 'gps_data' => array(), 1743 'rotation_count' => 0, // ID 6 1744 'rotation_data' => array(), 1745 'unknown_count' => 0, // ID ?? 1746 'unknown_data' => array(), 1747 'debug_list' => '', // Used to debug variables stored as comma delimited strings 1748 ); 1749 $debug_structure = array(); 1750 $debug_structure['debug_items'] = array(); 1751 // Can start loop here to decode all sensor data in 32 Byte chunks: 1752 foreach (str_split($atom_SENSOR_data, 32) as $sensor_key => $sensor_data) { 1753 // This gets me a data_type code to work out what data is in the next 31 bytes. 1754 $sensor_data_type = substr($sensor_data, 0, 1); 1755 $sensor_data_content = substr($sensor_data, 1); 1756 $uuid_bytes_read = unpack('C*', $sensor_data_type); 1757 $sensor_data_array = array(); 1758 switch ($uuid_bytes_read[1]) { 1759 case 250: 1760 $atom_structure['sensor_data']['data_type']['fusion_count']++; 1761 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); 1762 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1763 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1764 $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; 1765 $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; 1766 $sensor_data_array['roll'] = $uuid_bytes_read['roll']; 1767 array_push($atom_structure['sensor_data']['data_type']['fusion_data'], $sensor_data_array); 1768 break; 1769 case 1: 1770 $atom_structure['sensor_data']['data_type']['accel_count']++; 1771 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); 1772 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1773 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1774 $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; 1775 $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; 1776 $sensor_data_array['roll'] = $uuid_bytes_read['roll']; 1777 array_push($atom_structure['sensor_data']['data_type']['accel_data'], $sensor_data_array); 1778 break; 1779 case 2: 1780 $atom_structure['sensor_data']['data_type']['gyro_count']++; 1781 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); 1782 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1783 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1784 $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; 1785 $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; 1786 $sensor_data_array['roll'] = $uuid_bytes_read['roll']; 1787 array_push($atom_structure['sensor_data']['data_type']['gyro_data'], $sensor_data_array); 1788 break; 1789 case 3: 1790 $atom_structure['sensor_data']['data_type']['magno_count']++; 1791 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gmagx/Gmagy/Gmagz/x*', $sensor_data_content); 1792 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1793 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1794 $sensor_data_array['magx'] = $uuid_bytes_read['magx']; 1795 $sensor_data_array['magy'] = $uuid_bytes_read['magy']; 1796 $sensor_data_array['magz'] = $uuid_bytes_read['magz']; 1797 array_push($atom_structure['sensor_data']['data_type']['magno_data'], $sensor_data_array); 1798 break; 1799 case 5: 1800 $atom_structure['sensor_data']['data_type']['gps_count']++; 1801 $uuid_bytes_read = unpack('cmode/Jtimestamp/Glat/Glon/Galt/Gspeed/nbearing/nacc/x*', $sensor_data_content); 1802 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1803 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1804 $sensor_data_array['lat'] = $uuid_bytes_read['lat']; 1805 $sensor_data_array['lon'] = $uuid_bytes_read['lon']; 1806 $sensor_data_array['alt'] = $uuid_bytes_read['alt']; 1807 $sensor_data_array['speed'] = $uuid_bytes_read['speed']; 1808 $sensor_data_array['bearing'] = $uuid_bytes_read['bearing']; 1809 $sensor_data_array['acc'] = $uuid_bytes_read['acc']; 1810 array_push($atom_structure['sensor_data']['data_type']['gps_data'], $sensor_data_array); 1811 //array_push($debug_structure['debug_items'], $uuid_bytes_read['timestamp']); 1812 break; 1813 case 6: 1814 $atom_structure['sensor_data']['data_type']['rotation_count']++; 1815 $uuid_bytes_read = unpack('cmode/Jtimestamp/Grotx/Groty/Grotz/x*', $sensor_data_content); 1816 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1817 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1818 $sensor_data_array['rotx'] = $uuid_bytes_read['rotx']; 1819 $sensor_data_array['roty'] = $uuid_bytes_read['roty']; 1820 $sensor_data_array['rotz'] = $uuid_bytes_read['rotz']; 1821 array_push($atom_structure['sensor_data']['data_type']['rotation_data'], $sensor_data_array); 1822 break; 1823 default: 1824 $atom_structure['sensor_data']['data_type']['unknown_count']++; 1825 break; 1826 } 1827 } 1828 //if (isset($debug_structure['debug_items']) && count($debug_structure['debug_items']) > 0) { 1829 // $atom_structure['sensor_data']['data_type']['debug_list'] = implode(',', $debug_structure['debug_items']); 1830 //} else { 1831 $atom_structure['sensor_data']['data_type']['debug_list'] = 'No debug items in list!'; 1832 //} 1833 break; 1834 1835 default: 1836 $this->warning('Unhandled "uuid" atom identified by "'.$atom_structure['uuid_field_id'].'" at offset '.$atom_structure['offset'].' ('.strlen($atom_data).' bytes)'); 1837 } 1838 break; 1839 1840 case 'gps ': 1841 // https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730 1842 // The 'gps ' contains simple look up table made up of 8byte rows, that point to the 'free' atoms that contains the actual GPS data. 1843 // The first row is version/metadata/notsure, I skip that. 1844 // The following rows consist of 4byte address (absolute) and 4byte size (0x1000), these point to the GPS data in the file. 1845 1846 $GPS_rowsize = 8; // 4 bytes for offset, 4 bytes for size 1847 if (strlen($atom_data) > 0) { 1848 if ((strlen($atom_data) % $GPS_rowsize) == 0) { 1849 $atom_structure['gps_toc'] = array(); 1850 foreach (str_split($atom_data, $GPS_rowsize) as $counter => $datapair) { 1851 $atom_structure['gps_toc'][] = unpack('Noffset/Nsize', substr($atom_data, $counter * $GPS_rowsize, $GPS_rowsize)); 1852 } 1853 1854 $atom_structure['gps_entries'] = array(); 1855 $previous_offset = $this->ftell(); 1856 foreach ($atom_structure['gps_toc'] as $key => $gps_pointer) { 1857 if ($key == 0) { 1858 // "The first row is version/metadata/notsure, I skip that." 1859 continue; 1860 } 1861 $this->fseek($gps_pointer['offset']); 1862 $GPS_free_data = $this->fread($gps_pointer['size']); 1863 1864 /* 1865 // 2017-05-10: I see some of the data, notably the Hour-Minute-Second, but cannot reconcile the rest of the data. However, the NMEA "GPRMC" line is there and relatively easy to parse, so I'm using that instead 1866 1867 // https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730 1868 // The structure of the GPS data atom (the 'free' atoms mentioned above) is following: 1869 // hour,minute,second,year,month,day,active,latitude_b,longitude_b,unknown2,latitude,longitude,speed = struct.unpack_from('<IIIIIIssssfff',data, 48) 1870 // For those unfamiliar with python struct: 1871 // I = int 1872 // s = is string (size 1, in this case) 1873 // f = float 1874 1875 //$atom_structure['gps_entries'][$key] = unpack('Vhour/Vminute/Vsecond/Vyear/Vmonth/Vday/Vactive/Vlatitude_b/Vlongitude_b/Vunknown2/flatitude/flongitude/fspeed', substr($GPS_free_data, 48)); 1876 */ 1877 1878 // $GPRMC,081836,A,3751.65,S,14507.36,E,000.0,360.0,130998,011.3,E*62 1879 // $GPRMC,183731,A,3907.482,N,12102.436,W,000.0,360.0,080301,015.5,E*67 1880 // $GPRMC,002454,A,3553.5295,N,13938.6570,E,0.0,43.1,180700,7.1,W,A*3F 1881 // $GPRMC,094347.000,A,5342.0061,N,00737.9908,W,0.01,156.75,140217,,,A*7D 1882 if (preg_match('#\\$GPRMC,([0-9\\.]*),([AV]),([0-9\\.]*),([NS]),([0-9\\.]*),([EW]),([0-9\\.]*),([0-9\\.]*),([0-9]*),([0-9\\.]*),([EW]?)(,[A])?(\\*[0-9A-F]{2})#', $GPS_free_data, $matches)) { 1883 $GPS_this_GPRMC = array(); 1884 $GPS_this_GPRMC_raw = array(); 1885 list( 1886 $GPS_this_GPRMC_raw['gprmc'], 1887 $GPS_this_GPRMC_raw['timestamp'], 1888 $GPS_this_GPRMC_raw['status'], 1889 $GPS_this_GPRMC_raw['latitude'], 1890 $GPS_this_GPRMC_raw['latitude_direction'], 1891 $GPS_this_GPRMC_raw['longitude'], 1892 $GPS_this_GPRMC_raw['longitude_direction'], 1893 $GPS_this_GPRMC_raw['knots'], 1894 $GPS_this_GPRMC_raw['angle'], 1895 $GPS_this_GPRMC_raw['datestamp'], 1896 $GPS_this_GPRMC_raw['variation'], 1897 $GPS_this_GPRMC_raw['variation_direction'], 1898 $dummy, 1899 $GPS_this_GPRMC_raw['checksum'], 1900 ) = $matches; 1901 $GPS_this_GPRMC['raw'] = $GPS_this_GPRMC_raw; 1902 1903 $hour = substr($GPS_this_GPRMC['raw']['timestamp'], 0, 2); 1904 $minute = substr($GPS_this_GPRMC['raw']['timestamp'], 2, 2); 1905 $second = substr($GPS_this_GPRMC['raw']['timestamp'], 4, 2); 1906 $ms = substr($GPS_this_GPRMC['raw']['timestamp'], 6); // may contain decimal seconds 1907 $day = substr($GPS_this_GPRMC['raw']['datestamp'], 0, 2); 1908 $month = substr($GPS_this_GPRMC['raw']['datestamp'], 2, 2); 1909 $year = (int) substr($GPS_this_GPRMC['raw']['datestamp'], 4, 2); 1910 $year += (($year > 90) ? 1900 : 2000); // complete lack of foresight: datestamps are stored with 2-digit years, take best guess 1911 $GPS_this_GPRMC['timestamp'] = $year.'-'.$month.'-'.$day.' '.$hour.':'.$minute.':'.$second.$ms; 1912 1913 $GPS_this_GPRMC['active'] = ($GPS_this_GPRMC['raw']['status'] == 'A'); // A=Active,V=Void 1914 1915 foreach (array('latitude','longitude') as $latlon) { 1916 preg_match('#^([0-9]{1,3})([0-9]{2}\\.[0-9]+)$#', $GPS_this_GPRMC['raw'][$latlon], $matches); 1917 list($dummy, $deg, $min) = $matches; 1918 $GPS_this_GPRMC[$latlon] = $deg + ($min / 60); 1919 } 1920 $GPS_this_GPRMC['latitude'] *= (($GPS_this_GPRMC['raw']['latitude_direction'] == 'S') ? -1 : 1); 1921 $GPS_this_GPRMC['longitude'] *= (($GPS_this_GPRMC['raw']['longitude_direction'] == 'W') ? -1 : 1); 1922 1923 $GPS_this_GPRMC['heading'] = $GPS_this_GPRMC['raw']['angle']; 1924 $GPS_this_GPRMC['speed_knot'] = $GPS_this_GPRMC['raw']['knots']; 1925 $GPS_this_GPRMC['speed_kmh'] = $GPS_this_GPRMC['raw']['knots'] * 1.852; 1926 if ($GPS_this_GPRMC['raw']['variation']) { 1927 $GPS_this_GPRMC['variation'] = $GPS_this_GPRMC['raw']['variation']; 1928 $GPS_this_GPRMC['variation'] *= (($GPS_this_GPRMC['raw']['variation_direction'] == 'W') ? -1 : 1); 1929 } 1930 1931 $atom_structure['gps_entries'][$key] = $GPS_this_GPRMC; 1932 1933 @$info['quicktime']['gps_track'][$GPS_this_GPRMC['timestamp']] = array( 1934 'latitude' => (float) $GPS_this_GPRMC['latitude'], 1935 'longitude' => (float) $GPS_this_GPRMC['longitude'], 1936 'speed_kmh' => (float) $GPS_this_GPRMC['speed_kmh'], 1937 'heading' => (float) $GPS_this_GPRMC['heading'], 1938 ); 1939 1940 } else { 1941 $this->warning('Unhandled GPS format in "free" atom at offset '.$gps_pointer['offset']); 1942 } 1943 } 1944 $this->fseek($previous_offset); 1945 1946 } else { 1947 $this->warning('QuickTime atom "'.$atomname.'" is not mod-8 bytes long ('.$atomsize.' bytes) at offset '.$baseoffset); 1948 } 1949 } else { 1950 $this->warning('QuickTime atom "'.$atomname.'" is zero bytes long at offset '.$baseoffset); 1951 } 1952 break; 1953 1954 case 'loci':// 3GP location (El Loco) 1955 $loffset = 0; 1956 $info['quicktime']['comments']['gps_flags'] = array( getid3_lib::BigEndian2Int(substr($atom_data, 0, 4))); 1957 $info['quicktime']['comments']['gps_lang'] = array( getid3_lib::BigEndian2Int(substr($atom_data, 4, 2))); 1958 $info['quicktime']['comments']['gps_location'] = array( $this->LociString(substr($atom_data, 6), $loffset)); 1959 $loci_data = substr($atom_data, 6 + $loffset); 1960 $info['quicktime']['comments']['gps_role'] = array( getid3_lib::BigEndian2Int(substr($loci_data, 0, 1))); 1961 $info['quicktime']['comments']['gps_longitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 1, 4))); 1962 $info['quicktime']['comments']['gps_latitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 5, 4))); 1963 $info['quicktime']['comments']['gps_altitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 9, 4))); 1964 $info['quicktime']['comments']['gps_body'] = array( $this->LociString(substr($loci_data, 13 ), $loffset)); 1965 $info['quicktime']['comments']['gps_notes'] = array( $this->LociString(substr($loci_data, 13 + $loffset), $loffset)); 1966 break; 1967 1968 case 'chpl': // CHaPter List 1969 // https://www.adobe.com/content/dam/Adobe/en/devnet/flv/pdfs/video_file_format_spec_v10.pdf 1970 $chpl_version = getid3_lib::BigEndian2Int(substr($atom_data, 4, 1)); // Expected to be 0 1971 $chpl_flags = getid3_lib::BigEndian2Int(substr($atom_data, 5, 3)); // Reserved, set to 0 1972 $chpl_count = getid3_lib::BigEndian2Int(substr($atom_data, 8, 1)); 1973 $chpl_offset = 9; 1974 for ($i = 0; $i < $chpl_count; $i++) { 1975 if (($chpl_offset + 9) >= strlen($atom_data)) { 1976 $this->warning('QuickTime chapter '.$i.' extends beyond end of "chpl" atom'); 1977 break; 1978 } 1979 $info['quicktime']['chapters'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($atom_data, $chpl_offset, 8)) / 10000000; // timestamps are stored as 100-nanosecond units 1980 $chpl_offset += 8; 1981 $chpl_title_size = getid3_lib::BigEndian2Int(substr($atom_data, $chpl_offset, 1)); 1982 $chpl_offset += 1; 1983 $info['quicktime']['chapters'][$i]['title'] = substr($atom_data, $chpl_offset, $chpl_title_size); 1984 $chpl_offset += $chpl_title_size; 1985 } 1986 break; 1987 1988 case 'FIRM': // FIRMware version(?), seen on GoPro Hero4 1989 $info['quicktime']['camera']['firmware'] = $atom_data; 1990 break; 1991 1992 case 'CAME': // FIRMware version(?), seen on GoPro Hero4 1993 $info['quicktime']['camera']['serial_hash'] = unpack('H*', $atom_data); 1994 break; 1995 1996 case 'dscp': 1997 case 'rcif': 1998 // https://www.getid3.org/phpBB3/viewtopic.php?t=1908 1999 if (substr($atom_data, 0, 7) == "\x00\x00\x00\x00\x55\xC4".'{') { 2000 if ($json_decoded = @json_decode(rtrim(substr($atom_data, 6), "\x00"), true)) { 2001 $info['quicktime']['camera'][$atomname] = $json_decoded; 2002 if (($atomname == 'rcif') && isset($info['quicktime']['camera']['rcif']['wxcamera']['rotate'])) { 2003 $info['video']['rotate'] = $info['quicktime']['video']['rotate'] = $info['quicktime']['camera']['rcif']['wxcamera']['rotate']; 2004 } 2005 } else { 2006 $this->warning('Failed to JSON decode atom "'.$atomname.'"'); 2007 $atom_structure['data'] = $atom_data; 2008 } 2009 unset($json_decoded); 2010 } else { 2011 $this->warning('Expecting 55 C4 7B at start of atom "'.$atomname.'", found '.getid3_lib::PrintHexBytes(substr($atom_data, 4, 3)).' instead'); 2012 $atom_structure['data'] = $atom_data; 2013 } 2014 break; 2015 2016 case 'frea': 2017 // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea 2018 // may contain "scra" (PreviewImage) and/or "thma" (ThumbnailImage) 2019 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms); 2020 break; 2021 case 'tima': // subatom to "frea" 2022 // no idea what this does, the one sample file I've seen has a value of 0x00000027 2023 $atom_structure['data'] = $atom_data; 2024 break; 2025 case 'ver ': // subatom to "frea" 2026 // some kind of version number, the one sample file I've seen has a value of "3.00.073" 2027 $atom_structure['data'] = $atom_data; 2028 break; 2029 case 'thma': // subatom to "frea" -- "ThumbnailImage" 2030 // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea 2031 if (strlen($atom_data) > 0) { 2032 $info['quicktime']['comments']['picture'][] = array('data'=>$atom_data, 'image_mime'=>'image/jpeg', 'description'=>'ThumbnailImage'); 2033 } 2034 break; 2035 case 'scra': // subatom to "frea" -- "PreviewImage" 2036 // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea 2037 // but the only sample file I've seen has no useful data here 2038 if (strlen($atom_data) > 0) { 2039 $info['quicktime']['comments']['picture'][] = array('data'=>$atom_data, 'image_mime'=>'image/jpeg', 'description'=>'PreviewImage'); 2040 } 2041 break; 2042 2043 case 'cdsc': // timed metadata reference 2044 // A QuickTime movie can contain none, one, or several timed metadata tracks. Timed metadata tracks can refer to multiple tracks. 2045 // Metadata tracks are linked to the tracks they describe using a track-reference of type 'cdsc'. The metadata track holds the 'cdsc' track reference. 2046 $atom_structure['track_number'] = getid3_lib::BigEndian2Int($atom_data); 2047 break; 2048 2049 default: 2050 $this->warning('Unknown QuickTime atom type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" ('.trim(getid3_lib::PrintHexBytes($atomname)).'), '.$atomsize.' bytes at offset '.$baseoffset); 2051 $atom_structure['data'] = $atom_data; 2052 break; 2053 } 2054 } 2055 array_pop($atomHierarchy); 2056 return $atom_structure; 2057 } 2058 2059 /** 2060 * @param string $atom_data 2061 * @param int $baseoffset 2062 * @param array $atomHierarchy 2063 * @param bool $ParseAllPossibleAtoms 2064 * 2065 * @return array|false 2066 */ 2067 public function QuicktimeParseContainerAtom($atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { 2068 $atom_structure = false; 2069 $subatomoffset = 0; 2070 $subatomcounter = 0; 2071 if ((strlen($atom_data) == 4) && (getid3_lib::BigEndian2Int($atom_data) == 0x00000000)) { 2072 return false; 2073 } 2074 while ($subatomoffset < strlen($atom_data)) { 2075 $subatomsize = getid3_lib::BigEndian2Int(substr($atom_data, $subatomoffset + 0, 4)); 2076 $subatomname = substr($atom_data, $subatomoffset + 4, 4); 2077 $subatomdata = substr($atom_data, $subatomoffset + 8, $subatomsize - 8); 2078 if ($subatomsize == 0) { 2079 // Furthermore, for historical reasons the list of atoms is optionally 2080 // terminated by a 32-bit integer set to 0. If you are writing a program 2081 // to read user data atoms, you should allow for the terminating 0. 2082 if (strlen($atom_data) > 12) { 2083 $subatomoffset += 4; 2084 continue; 2085 } 2086 return $atom_structure; 2087 } 2088 if (strlen($subatomdata) < ($subatomsize - 8)) { 2089 // we don't have enough data to decode the subatom. 2090 // this may be because we are refusing to parse large subatoms, or it may be because this atom had its size set too large 2091 // so we passed in the start of a following atom incorrectly? 2092 return $atom_structure; 2093 } 2094 $atom_structure[$subatomcounter++] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms); 2095 $subatomoffset += $subatomsize; 2096 } 2097 return $atom_structure; 2098 } 2099 2100 /** 2101 * @param string $data 2102 * @param int $offset 2103 * 2104 * @return int 2105 */ 2106 public function quicktime_read_mp4_descr_length($data, &$offset) { 2107 // http://libquicktime.sourcearchive.com/documentation/2:1.0.2plus-pdebian-2build1/esds_8c-source.html 2108 $num_bytes = 0; 2109 $length = 0; 2110 do { 2111 $b = ord(substr($data, $offset++, 1)); 2112 $length = ($length << 7) | ($b & 0x7F); 2113 } while (($b & 0x80) && ($num_bytes++ < 4)); 2114 return $length; 2115 } 2116 2117 /** 2118 * @param int $languageid 2119 * 2120 * @return string 2121 */ 2122 public function QuicktimeLanguageLookup($languageid) { 2123 // http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-34353 2124 static $QuicktimeLanguageLookup = array(); 2125 if (empty($QuicktimeLanguageLookup)) { 2126 $QuicktimeLanguageLookup[0] = 'English'; 2127 $QuicktimeLanguageLookup[1] = 'French'; 2128 $QuicktimeLanguageLookup[2] = 'German'; 2129 $QuicktimeLanguageLookup[3] = 'Italian'; 2130 $QuicktimeLanguageLookup[4] = 'Dutch'; 2131 $QuicktimeLanguageLookup[5] = 'Swedish'; 2132 $QuicktimeLanguageLookup[6] = 'Spanish'; 2133 $QuicktimeLanguageLookup[7] = 'Danish'; 2134 $QuicktimeLanguageLookup[8] = 'Portuguese'; 2135 $QuicktimeLanguageLookup[9] = 'Norwegian'; 2136 $QuicktimeLanguageLookup[10] = 'Hebrew'; 2137 $QuicktimeLanguageLookup[11] = 'Japanese'; 2138 $QuicktimeLanguageLookup[12] = 'Arabic'; 2139 $QuicktimeLanguageLookup[13] = 'Finnish'; 2140 $QuicktimeLanguageLookup[14] = 'Greek'; 2141 $QuicktimeLanguageLookup[15] = 'Icelandic'; 2142 $QuicktimeLanguageLookup[16] = 'Maltese'; 2143 $QuicktimeLanguageLookup[17] = 'Turkish'; 2144 $QuicktimeLanguageLookup[18] = 'Croatian'; 2145 $QuicktimeLanguageLookup[19] = 'Chinese (Traditional)'; 2146 $QuicktimeLanguageLookup[20] = 'Urdu'; 2147 $QuicktimeLanguageLookup[21] = 'Hindi'; 2148 $QuicktimeLanguageLookup[22] = 'Thai'; 2149 $QuicktimeLanguageLookup[23] = 'Korean'; 2150 $QuicktimeLanguageLookup[24] = 'Lithuanian'; 2151 $QuicktimeLanguageLookup[25] = 'Polish'; 2152 $QuicktimeLanguageLookup[26] = 'Hungarian'; 2153 $QuicktimeLanguageLookup[27] = 'Estonian'; 2154 $QuicktimeLanguageLookup[28] = 'Lettish'; 2155 $QuicktimeLanguageLookup[28] = 'Latvian'; 2156 $QuicktimeLanguageLookup[29] = 'Saamisk'; 2157 $QuicktimeLanguageLookup[29] = 'Lappish'; 2158 $QuicktimeLanguageLookup[30] = 'Faeroese'; 2159 $QuicktimeLanguageLookup[31] = 'Farsi'; 2160 $QuicktimeLanguageLookup[31] = 'Persian'; 2161 $QuicktimeLanguageLookup[32] = 'Russian'; 2162 $QuicktimeLanguageLookup[33] = 'Chinese (Simplified)'; 2163 $QuicktimeLanguageLookup[34] = 'Flemish'; 2164 $QuicktimeLanguageLookup[35] = 'Irish'; 2165 $QuicktimeLanguageLookup[36] = 'Albanian'; 2166 $QuicktimeLanguageLookup[37] = 'Romanian'; 2167 $QuicktimeLanguageLookup[38] = 'Czech'; 2168 $QuicktimeLanguageLookup[39] = 'Slovak'; 2169 $QuicktimeLanguageLookup[40] = 'Slovenian'; 2170 $QuicktimeLanguageLookup[41] = 'Yiddish'; 2171 $QuicktimeLanguageLookup[42] = 'Serbian'; 2172 $QuicktimeLanguageLookup[43] = 'Macedonian'; 2173 $QuicktimeLanguageLookup[44] = 'Bulgarian'; 2174 $QuicktimeLanguageLookup[45] = 'Ukrainian'; 2175 $QuicktimeLanguageLookup[46] = 'Byelorussian'; 2176 $QuicktimeLanguageLookup[47] = 'Uzbek'; 2177 $QuicktimeLanguageLookup[48] = 'Kazakh'; 2178 $QuicktimeLanguageLookup[49] = 'Azerbaijani'; 2179 $QuicktimeLanguageLookup[50] = 'AzerbaijanAr'; 2180 $QuicktimeLanguageLookup[51] = 'Armenian'; 2181 $QuicktimeLanguageLookup[52] = 'Georgian'; 2182 $QuicktimeLanguageLookup[53] = 'Moldavian'; 2183 $QuicktimeLanguageLookup[54] = 'Kirghiz'; 2184 $QuicktimeLanguageLookup[55] = 'Tajiki'; 2185 $QuicktimeLanguageLookup[56] = 'Turkmen'; 2186 $QuicktimeLanguageLookup[57] = 'Mongolian'; 2187 $QuicktimeLanguageLookup[58] = 'MongolianCyr'; 2188 $QuicktimeLanguageLookup[59] = 'Pashto'; 2189 $QuicktimeLanguageLookup[60] = 'Kurdish'; 2190 $QuicktimeLanguageLookup[61] = 'Kashmiri'; 2191 $QuicktimeLanguageLookup[62] = 'Sindhi'; 2192 $QuicktimeLanguageLookup[63] = 'Tibetan'; 2193 $QuicktimeLanguageLookup[64] = 'Nepali'; 2194 $QuicktimeLanguageLookup[65] = 'Sanskrit'; 2195 $QuicktimeLanguageLookup[66] = 'Marathi'; 2196 $QuicktimeLanguageLookup[67] = 'Bengali'; 2197 $QuicktimeLanguageLookup[68] = 'Assamese'; 2198 $QuicktimeLanguageLookup[69] = 'Gujarati'; 2199 $QuicktimeLanguageLookup[70] = 'Punjabi'; 2200 $QuicktimeLanguageLookup[71] = 'Oriya'; 2201 $QuicktimeLanguageLookup[72] = 'Malayalam'; 2202 $QuicktimeLanguageLookup[73] = 'Kannada'; 2203 $QuicktimeLanguageLookup[74] = 'Tamil'; 2204 $QuicktimeLanguageLookup[75] = 'Telugu'; 2205 $QuicktimeLanguageLookup[76] = 'Sinhalese'; 2206 $QuicktimeLanguageLookup[77] = 'Burmese'; 2207 $QuicktimeLanguageLookup[78] = 'Khmer'; 2208 $QuicktimeLanguageLookup[79] = 'Lao'; 2209 $QuicktimeLanguageLookup[80] = 'Vietnamese'; 2210 $QuicktimeLanguageLookup[81] = 'Indonesian'; 2211 $QuicktimeLanguageLookup[82] = 'Tagalog'; 2212 $QuicktimeLanguageLookup[83] = 'MalayRoman'; 2213 $QuicktimeLanguageLookup[84] = 'MalayArabic'; 2214 $QuicktimeLanguageLookup[85] = 'Amharic'; 2215 $QuicktimeLanguageLookup[86] = 'Tigrinya'; 2216 $QuicktimeLanguageLookup[87] = 'Galla'; 2217 $QuicktimeLanguageLookup[87] = 'Oromo'; 2218 $QuicktimeLanguageLookup[88] = 'Somali'; 2219 $QuicktimeLanguageLookup[89] = 'Swahili'; 2220 $QuicktimeLanguageLookup[90] = 'Ruanda'; 2221 $QuicktimeLanguageLookup[91] = 'Rundi'; 2222 $QuicktimeLanguageLookup[92] = 'Chewa'; 2223 $QuicktimeLanguageLookup[93] = 'Malagasy'; 2224 $QuicktimeLanguageLookup[94] = 'Esperanto'; 2225 $QuicktimeLanguageLookup[128] = 'Welsh'; 2226 $QuicktimeLanguageLookup[129] = 'Basque'; 2227 $QuicktimeLanguageLookup[130] = 'Catalan'; 2228 $QuicktimeLanguageLookup[131] = 'Latin'; 2229 $QuicktimeLanguageLookup[132] = 'Quechua'; 2230 $QuicktimeLanguageLookup[133] = 'Guarani'; 2231 $QuicktimeLanguageLookup[134] = 'Aymara'; 2232 $QuicktimeLanguageLookup[135] = 'Tatar'; 2233 $QuicktimeLanguageLookup[136] = 'Uighur'; 2234 $QuicktimeLanguageLookup[137] = 'Dzongkha'; 2235 $QuicktimeLanguageLookup[138] = 'JavaneseRom'; 2236 $QuicktimeLanguageLookup[32767] = 'Unspecified'; 2237 } 2238 if (($languageid > 138) && ($languageid < 32767)) { 2239 /* 2240 ISO Language Codes - http://www.loc.gov/standards/iso639-2/php/code_list.php 2241 Because the language codes specified by ISO 639-2/T are three characters long, they must be packed to fit into a 16-bit field. 2242 The packing algorithm must map each of the three characters, which are always lowercase, into a 5-bit integer and then concatenate 2243 these integers into the least significant 15 bits of a 16-bit integer, leaving the 16-bit integer's most significant bit set to zero. 2244 2245 One algorithm for performing this packing is to treat each ISO character as a 16-bit integer. Subtract 0x60 from the first character 2246 and multiply by 2^10 (0x400), subtract 0x60 from the second character and multiply by 2^5 (0x20), subtract 0x60 from the third character, 2247 and add the three 16-bit values. This will result in a single 16-bit value with the three codes correctly packed into the 15 least 2248 significant bits and the most significant bit set to zero. 2249 */ 2250 $iso_language_id = ''; 2251 $iso_language_id .= chr((($languageid & 0x7C00) >> 10) + 0x60); 2252 $iso_language_id .= chr((($languageid & 0x03E0) >> 5) + 0x60); 2253 $iso_language_id .= chr((($languageid & 0x001F) >> 0) + 0x60); 2254 $QuicktimeLanguageLookup[$languageid] = getid3_id3v2::LanguageLookup($iso_language_id); 2255 } 2256 return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid'); 2257 } 2258 2259 /** 2260 * @param string $codecid 2261 * 2262 * @return string 2263 */ 2264 public function QuicktimeVideoCodecLookup($codecid) { 2265 static $QuicktimeVideoCodecLookup = array(); 2266 if (empty($QuicktimeVideoCodecLookup)) { 2267 $QuicktimeVideoCodecLookup['.SGI'] = 'SGI'; 2268 $QuicktimeVideoCodecLookup['3IV1'] = '3ivx MPEG-4 v1'; 2269 $QuicktimeVideoCodecLookup['3IV2'] = '3ivx MPEG-4 v2'; 2270 $QuicktimeVideoCodecLookup['3IVX'] = '3ivx MPEG-4'; 2271 $QuicktimeVideoCodecLookup['8BPS'] = 'Planar RGB'; 2272 $QuicktimeVideoCodecLookup['avc1'] = 'H.264/MPEG-4 AVC'; 2273 $QuicktimeVideoCodecLookup['avr '] = 'AVR-JPEG'; 2274 $QuicktimeVideoCodecLookup['b16g'] = '16Gray'; 2275 $QuicktimeVideoCodecLookup['b32a'] = '32AlphaGray'; 2276 $QuicktimeVideoCodecLookup['b48r'] = '48RGB'; 2277 $QuicktimeVideoCodecLookup['b64a'] = '64ARGB'; 2278 $QuicktimeVideoCodecLookup['base'] = 'Base'; 2279 $QuicktimeVideoCodecLookup['clou'] = 'Cloud'; 2280 $QuicktimeVideoCodecLookup['cmyk'] = 'CMYK'; 2281 $QuicktimeVideoCodecLookup['cvid'] = 'Cinepak'; 2282 $QuicktimeVideoCodecLookup['dmb1'] = 'OpenDML JPEG'; 2283 $QuicktimeVideoCodecLookup['dvc '] = 'DVC-NTSC'; 2284 $QuicktimeVideoCodecLookup['dvcp'] = 'DVC-PAL'; 2285 $QuicktimeVideoCodecLookup['dvpn'] = 'DVCPro-NTSC'; 2286 $QuicktimeVideoCodecLookup['dvpp'] = 'DVCPro-PAL'; 2287 $QuicktimeVideoCodecLookup['fire'] = 'Fire'; 2288 $QuicktimeVideoCodecLookup['flic'] = 'FLC'; 2289 $QuicktimeVideoCodecLookup['gif '] = 'GIF'; 2290 $QuicktimeVideoCodecLookup['h261'] = 'H261'; 2291 $QuicktimeVideoCodecLookup['h263'] = 'H263'; 2292 $QuicktimeVideoCodecLookup['IV41'] = 'Indeo4'; 2293 $QuicktimeVideoCodecLookup['jpeg'] = 'JPEG'; 2294 $QuicktimeVideoCodecLookup['kpcd'] = 'PhotoCD'; 2295 $QuicktimeVideoCodecLookup['mjpa'] = 'Motion JPEG-A'; 2296 $QuicktimeVideoCodecLookup['mjpb'] = 'Motion JPEG-B'; 2297 $QuicktimeVideoCodecLookup['msvc'] = 'Microsoft Video1'; 2298 $QuicktimeVideoCodecLookup['myuv'] = 'MPEG YUV420'; 2299 $QuicktimeVideoCodecLookup['path'] = 'Vector'; 2300 $QuicktimeVideoCodecLookup['png '] = 'PNG'; 2301 $QuicktimeVideoCodecLookup['PNTG'] = 'MacPaint'; 2302 $QuicktimeVideoCodecLookup['qdgx'] = 'QuickDrawGX'; 2303 $QuicktimeVideoCodecLookup['qdrw'] = 'QuickDraw'; 2304 $QuicktimeVideoCodecLookup['raw '] = 'RAW'; 2305 $QuicktimeVideoCodecLookup['ripl'] = 'WaterRipple'; 2306 $QuicktimeVideoCodecLookup['rpza'] = 'Video'; 2307 $QuicktimeVideoCodecLookup['smc '] = 'Graphics'; 2308 $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 1'; 2309 $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 3'; 2310 $QuicktimeVideoCodecLookup['syv9'] = 'Sorenson YUV9'; 2311 $QuicktimeVideoCodecLookup['tga '] = 'Targa'; 2312 $QuicktimeVideoCodecLookup['tiff'] = 'TIFF'; 2313 $QuicktimeVideoCodecLookup['WRAW'] = 'Windows RAW'; 2314 $QuicktimeVideoCodecLookup['WRLE'] = 'BMP'; 2315 $QuicktimeVideoCodecLookup['y420'] = 'YUV420'; 2316 $QuicktimeVideoCodecLookup['yuv2'] = 'ComponentVideo'; 2317 $QuicktimeVideoCodecLookup['yuvs'] = 'ComponentVideoUnsigned'; 2318 $QuicktimeVideoCodecLookup['yuvu'] = 'ComponentVideoSigned'; 2319 } 2320 return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : ''); 2321 } 2322 2323 /** 2324 * @param string $codecid 2325 * 2326 * @return mixed|string 2327 */ 2328 public function QuicktimeAudioCodecLookup($codecid) { 2329 static $QuicktimeAudioCodecLookup = array(); 2330 if (empty($QuicktimeAudioCodecLookup)) { 2331 $QuicktimeAudioCodecLookup['.mp3'] = 'Fraunhofer MPEG Layer-III alias'; 2332 $QuicktimeAudioCodecLookup['aac '] = 'ISO/IEC 14496-3 AAC'; 2333 $QuicktimeAudioCodecLookup['agsm'] = 'Apple GSM 10:1'; 2334 $QuicktimeAudioCodecLookup['alac'] = 'Apple Lossless Audio Codec'; 2335 $QuicktimeAudioCodecLookup['alaw'] = 'A-law 2:1'; 2336 $QuicktimeAudioCodecLookup['conv'] = 'Sample Format'; 2337 $QuicktimeAudioCodecLookup['dvca'] = 'DV'; 2338 $QuicktimeAudioCodecLookup['dvi '] = 'DV 4:1'; 2339 $QuicktimeAudioCodecLookup['eqal'] = 'Frequency Equalizer'; 2340 $QuicktimeAudioCodecLookup['fl32'] = '32-bit Floating Point'; 2341 $QuicktimeAudioCodecLookup['fl64'] = '64-bit Floating Point'; 2342 $QuicktimeAudioCodecLookup['ima4'] = 'Interactive Multimedia Association 4:1'; 2343 $QuicktimeAudioCodecLookup['in24'] = '24-bit Integer'; 2344 $QuicktimeAudioCodecLookup['in32'] = '32-bit Integer'; 2345 $QuicktimeAudioCodecLookup['lpc '] = 'LPC 23:1'; 2346 $QuicktimeAudioCodecLookup['MAC3'] = 'Macintosh Audio Compression/Expansion (MACE) 3:1'; 2347 $QuicktimeAudioCodecLookup['MAC6'] = 'Macintosh Audio Compression/Expansion (MACE) 6:1'; 2348 $QuicktimeAudioCodecLookup['mixb'] = '8-bit Mixer'; 2349 $QuicktimeAudioCodecLookup['mixw'] = '16-bit Mixer'; 2350 $QuicktimeAudioCodecLookup['mp4a'] = 'ISO/IEC 14496-3 AAC'; 2351 $QuicktimeAudioCodecLookup['MS'."\x00\x02"] = 'Microsoft ADPCM'; 2352 $QuicktimeAudioCodecLookup['MS'."\x00\x11"] = 'DV IMA'; 2353 $QuicktimeAudioCodecLookup['MS'."\x00\x55"] = 'Fraunhofer MPEG Layer III'; 2354 $QuicktimeAudioCodecLookup['NONE'] = 'No Encoding'; 2355 $QuicktimeAudioCodecLookup['Qclp'] = 'Qualcomm PureVoice'; 2356 $QuicktimeAudioCodecLookup['QDM2'] = 'QDesign Music 2'; 2357 $QuicktimeAudioCodecLookup['QDMC'] = 'QDesign Music 1'; 2358 $QuicktimeAudioCodecLookup['ratb'] = '8-bit Rate'; 2359 $QuicktimeAudioCodecLookup['ratw'] = '16-bit Rate'; 2360 $QuicktimeAudioCodecLookup['raw '] = 'raw PCM'; 2361 $QuicktimeAudioCodecLookup['sour'] = 'Sound Source'; 2362 $QuicktimeAudioCodecLookup['sowt'] = 'signed/two\'s complement (Little Endian)'; 2363 $QuicktimeAudioCodecLookup['str1'] = 'Iomega MPEG layer II'; 2364 $QuicktimeAudioCodecLookup['str2'] = 'Iomega MPEG *layer II'; 2365 $QuicktimeAudioCodecLookup['str3'] = 'Iomega MPEG **layer II'; 2366 $QuicktimeAudioCodecLookup['str4'] = 'Iomega MPEG ***layer II'; 2367 $QuicktimeAudioCodecLookup['twos'] = 'signed/two\'s complement (Big Endian)'; 2368 $QuicktimeAudioCodecLookup['ulaw'] = 'mu-law 2:1'; 2369 } 2370 return (isset($QuicktimeAudioCodecLookup[$codecid]) ? $QuicktimeAudioCodecLookup[$codecid] : ''); 2371 } 2372 2373 /** 2374 * @param string $compressionid 2375 * 2376 * @return string 2377 */ 2378 public function QuicktimeDCOMLookup($compressionid) { 2379 static $QuicktimeDCOMLookup = array(); 2380 if (empty($QuicktimeDCOMLookup)) { 2381 $QuicktimeDCOMLookup['zlib'] = 'ZLib Deflate'; 2382 $QuicktimeDCOMLookup['adec'] = 'Apple Compression'; 2383 } 2384 return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : ''); 2385 } 2386 2387 /** 2388 * @param int $colordepthid 2389 * 2390 * @return string 2391 */ 2392 public function QuicktimeColorNameLookup($colordepthid) { 2393 static $QuicktimeColorNameLookup = array(); 2394 if (empty($QuicktimeColorNameLookup)) { 2395 $QuicktimeColorNameLookup[1] = '2-color (monochrome)'; 2396 $QuicktimeColorNameLookup[2] = '4-color'; 2397 $QuicktimeColorNameLookup[4] = '16-color'; 2398 $QuicktimeColorNameLookup[8] = '256-color'; 2399 $QuicktimeColorNameLookup[16] = 'thousands (16-bit color)'; 2400 $QuicktimeColorNameLookup[24] = 'millions (24-bit color)'; 2401 $QuicktimeColorNameLookup[32] = 'millions+ (32-bit color)'; 2402 $QuicktimeColorNameLookup[33] = 'black & white'; 2403 $QuicktimeColorNameLookup[34] = '4-gray'; 2404 $QuicktimeColorNameLookup[36] = '16-gray'; 2405 $QuicktimeColorNameLookup[40] = '256-gray'; 2406 } 2407 return (isset($QuicktimeColorNameLookup[$colordepthid]) ? $QuicktimeColorNameLookup[$colordepthid] : 'invalid'); 2408 } 2409 2410 /** 2411 * @param int $stik 2412 * 2413 * @return string 2414 */ 2415 public function QuicktimeSTIKLookup($stik) { 2416 static $QuicktimeSTIKLookup = array(); 2417 if (empty($QuicktimeSTIKLookup)) { 2418 $QuicktimeSTIKLookup[0] = 'Movie'; 2419 $QuicktimeSTIKLookup[1] = 'Normal'; 2420 $QuicktimeSTIKLookup[2] = 'Audiobook'; 2421 $QuicktimeSTIKLookup[5] = 'Whacked Bookmark'; 2422 $QuicktimeSTIKLookup[6] = 'Music Video'; 2423 $QuicktimeSTIKLookup[9] = 'Short Film'; 2424 $QuicktimeSTIKLookup[10] = 'TV Show'; 2425 $QuicktimeSTIKLookup[11] = 'Booklet'; 2426 $QuicktimeSTIKLookup[14] = 'Ringtone'; 2427 $QuicktimeSTIKLookup[21] = 'Podcast'; 2428 } 2429 return (isset($QuicktimeSTIKLookup[$stik]) ? $QuicktimeSTIKLookup[$stik] : 'invalid'); 2430 } 2431 2432 /** 2433 * @param int $audio_profile_id 2434 * 2435 * @return string 2436 */ 2437 public function QuicktimeIODSaudioProfileName($audio_profile_id) { 2438 static $QuicktimeIODSaudioProfileNameLookup = array(); 2439 if (empty($QuicktimeIODSaudioProfileNameLookup)) { 2440 $QuicktimeIODSaudioProfileNameLookup = array( 2441 0x00 => 'ISO Reserved (0x00)', 2442 0x01 => 'Main Audio Profile @ Level 1', 2443 0x02 => 'Main Audio Profile @ Level 2', 2444 0x03 => 'Main Audio Profile @ Level 3', 2445 0x04 => 'Main Audio Profile @ Level 4', 2446 0x05 => 'Scalable Audio Profile @ Level 1', 2447 0x06 => 'Scalable Audio Profile @ Level 2', 2448 0x07 => 'Scalable Audio Profile @ Level 3', 2449 0x08 => 'Scalable Audio Profile @ Level 4', 2450 0x09 => 'Speech Audio Profile @ Level 1', 2451 0x0A => 'Speech Audio Profile @ Level 2', 2452 0x0B => 'Synthetic Audio Profile @ Level 1', 2453 0x0C => 'Synthetic Audio Profile @ Level 2', 2454 0x0D => 'Synthetic Audio Profile @ Level 3', 2455 0x0E => 'High Quality Audio Profile @ Level 1', 2456 0x0F => 'High Quality Audio Profile @ Level 2', 2457 0x10 => 'High Quality Audio Profile @ Level 3', 2458 0x11 => 'High Quality Audio Profile @ Level 4', 2459 0x12 => 'High Quality Audio Profile @ Level 5', 2460 0x13 => 'High Quality Audio Profile @ Level 6', 2461 0x14 => 'High Quality Audio Profile @ Level 7', 2462 0x15 => 'High Quality Audio Profile @ Level 8', 2463 0x16 => 'Low Delay Audio Profile @ Level 1', 2464 0x17 => 'Low Delay Audio Profile @ Level 2', 2465 0x18 => 'Low Delay Audio Profile @ Level 3', 2466 0x19 => 'Low Delay Audio Profile @ Level 4', 2467 0x1A => 'Low Delay Audio Profile @ Level 5', 2468 0x1B => 'Low Delay Audio Profile @ Level 6', 2469 0x1C => 'Low Delay Audio Profile @ Level 7', 2470 0x1D => 'Low Delay Audio Profile @ Level 8', 2471 0x1E => 'Natural Audio Profile @ Level 1', 2472 0x1F => 'Natural Audio Profile @ Level 2', 2473 0x20 => 'Natural Audio Profile @ Level 3', 2474 0x21 => 'Natural Audio Profile @ Level 4', 2475 0x22 => 'Mobile Audio Internetworking Profile @ Level 1', 2476 0x23 => 'Mobile Audio Internetworking Profile @ Level 2', 2477 0x24 => 'Mobile Audio Internetworking Profile @ Level 3', 2478 0x25 => 'Mobile Audio Internetworking Profile @ Level 4', 2479 0x26 => 'Mobile Audio Internetworking Profile @ Level 5', 2480 0x27 => 'Mobile Audio Internetworking Profile @ Level 6', 2481 0x28 => 'AAC Profile @ Level 1', 2482 0x29 => 'AAC Profile @ Level 2', 2483 0x2A => 'AAC Profile @ Level 4', 2484 0x2B => 'AAC Profile @ Level 5', 2485 0x2C => 'High Efficiency AAC Profile @ Level 2', 2486 0x2D => 'High Efficiency AAC Profile @ Level 3', 2487 0x2E => 'High Efficiency AAC Profile @ Level 4', 2488 0x2F => 'High Efficiency AAC Profile @ Level 5', 2489 0xFE => 'Not part of MPEG-4 audio profiles', 2490 0xFF => 'No audio capability required', 2491 ); 2492 } 2493 return (isset($QuicktimeIODSaudioProfileNameLookup[$audio_profile_id]) ? $QuicktimeIODSaudioProfileNameLookup[$audio_profile_id] : 'ISO Reserved / User Private'); 2494 } 2495 2496 /** 2497 * @param int $video_profile_id 2498 * 2499 * @return string 2500 */ 2501 public function QuicktimeIODSvideoProfileName($video_profile_id) { 2502 static $QuicktimeIODSvideoProfileNameLookup = array(); 2503 if (empty($QuicktimeIODSvideoProfileNameLookup)) { 2504 $QuicktimeIODSvideoProfileNameLookup = array( 2505 0x00 => 'Reserved (0x00) Profile', 2506 0x01 => 'Simple Profile @ Level 1', 2507 0x02 => 'Simple Profile @ Level 2', 2508 0x03 => 'Simple Profile @ Level 3', 2509 0x08 => 'Simple Profile @ Level 0', 2510 0x10 => 'Simple Scalable Profile @ Level 0', 2511 0x11 => 'Simple Scalable Profile @ Level 1', 2512 0x12 => 'Simple Scalable Profile @ Level 2', 2513 0x15 => 'AVC/H264 Profile', 2514 0x21 => 'Core Profile @ Level 1', 2515 0x22 => 'Core Profile @ Level 2', 2516 0x32 => 'Main Profile @ Level 2', 2517 0x33 => 'Main Profile @ Level 3', 2518 0x34 => 'Main Profile @ Level 4', 2519 0x42 => 'N-bit Profile @ Level 2', 2520 0x51 => 'Scalable Texture Profile @ Level 1', 2521 0x61 => 'Simple Face Animation Profile @ Level 1', 2522 0x62 => 'Simple Face Animation Profile @ Level 2', 2523 0x63 => 'Simple FBA Profile @ Level 1', 2524 0x64 => 'Simple FBA Profile @ Level 2', 2525 0x71 => 'Basic Animated Texture Profile @ Level 1', 2526 0x72 => 'Basic Animated Texture Profile @ Level 2', 2527 0x81 => 'Hybrid Profile @ Level 1', 2528 0x82 => 'Hybrid Profile @ Level 2', 2529 0x91 => 'Advanced Real Time Simple Profile @ Level 1', 2530 0x92 => 'Advanced Real Time Simple Profile @ Level 2', 2531 0x93 => 'Advanced Real Time Simple Profile @ Level 3', 2532 0x94 => 'Advanced Real Time Simple Profile @ Level 4', 2533 0xA1 => 'Core Scalable Profile @ Level1', 2534 0xA2 => 'Core Scalable Profile @ Level2', 2535 0xA3 => 'Core Scalable Profile @ Level3', 2536 0xB1 => 'Advanced Coding Efficiency Profile @ Level 1', 2537 0xB2 => 'Advanced Coding Efficiency Profile @ Level 2', 2538 0xB3 => 'Advanced Coding Efficiency Profile @ Level 3', 2539 0xB4 => 'Advanced Coding Efficiency Profile @ Level 4', 2540 0xC1 => 'Advanced Core Profile @ Level 1', 2541 0xC2 => 'Advanced Core Profile @ Level 2', 2542 0xD1 => 'Advanced Scalable Texture @ Level1', 2543 0xD2 => 'Advanced Scalable Texture @ Level2', 2544 0xE1 => 'Simple Studio Profile @ Level 1', 2545 0xE2 => 'Simple Studio Profile @ Level 2', 2546 0xE3 => 'Simple Studio Profile @ Level 3', 2547 0xE4 => 'Simple Studio Profile @ Level 4', 2548 0xE5 => 'Core Studio Profile @ Level 1', 2549 0xE6 => 'Core Studio Profile @ Level 2', 2550 0xE7 => 'Core Studio Profile @ Level 3', 2551 0xE8 => 'Core Studio Profile @ Level 4', 2552 0xF0 => 'Advanced Simple Profile @ Level 0', 2553 0xF1 => 'Advanced Simple Profile @ Level 1', 2554 0xF2 => 'Advanced Simple Profile @ Level 2', 2555 0xF3 => 'Advanced Simple Profile @ Level 3', 2556 0xF4 => 'Advanced Simple Profile @ Level 4', 2557 0xF5 => 'Advanced Simple Profile @ Level 5', 2558 0xF7 => 'Advanced Simple Profile @ Level 3b', 2559 0xF8 => 'Fine Granularity Scalable Profile @ Level 0', 2560 0xF9 => 'Fine Granularity Scalable Profile @ Level 1', 2561 0xFA => 'Fine Granularity Scalable Profile @ Level 2', 2562 0xFB => 'Fine Granularity Scalable Profile @ Level 3', 2563 0xFC => 'Fine Granularity Scalable Profile @ Level 4', 2564 0xFD => 'Fine Granularity Scalable Profile @ Level 5', 2565 0xFE => 'Not part of MPEG-4 Visual profiles', 2566 0xFF => 'No visual capability required', 2567 ); 2568 } 2569 return (isset($QuicktimeIODSvideoProfileNameLookup[$video_profile_id]) ? $QuicktimeIODSvideoProfileNameLookup[$video_profile_id] : 'ISO Reserved Profile'); 2570 } 2571 2572 /** 2573 * @param int $rtng 2574 * 2575 * @return string 2576 */ 2577 public function QuicktimeContentRatingLookup($rtng) { 2578 static $QuicktimeContentRatingLookup = array(); 2579 if (empty($QuicktimeContentRatingLookup)) { 2580 $QuicktimeContentRatingLookup[0] = 'None'; 2581 $QuicktimeContentRatingLookup[2] = 'Clean'; 2582 $QuicktimeContentRatingLookup[4] = 'Explicit'; 2583 } 2584 return (isset($QuicktimeContentRatingLookup[$rtng]) ? $QuicktimeContentRatingLookup[$rtng] : 'invalid'); 2585 } 2586 2587 /** 2588 * @param int $akid 2589 * 2590 * @return string 2591 */ 2592 public function QuicktimeStoreAccountTypeLookup($akid) { 2593 static $QuicktimeStoreAccountTypeLookup = array(); 2594 if (empty($QuicktimeStoreAccountTypeLookup)) { 2595 $QuicktimeStoreAccountTypeLookup[0] = 'iTunes'; 2596 $QuicktimeStoreAccountTypeLookup[1] = 'AOL'; 2597 } 2598 return (isset($QuicktimeStoreAccountTypeLookup[$akid]) ? $QuicktimeStoreAccountTypeLookup[$akid] : 'invalid'); 2599 } 2600 2601 /** 2602 * @param int $sfid 2603 * 2604 * @return string 2605 */ 2606 public function QuicktimeStoreFrontCodeLookup($sfid) { 2607 static $QuicktimeStoreFrontCodeLookup = array(); 2608 if (empty($QuicktimeStoreFrontCodeLookup)) { 2609 $QuicktimeStoreFrontCodeLookup[143460] = 'Australia'; 2610 $QuicktimeStoreFrontCodeLookup[143445] = 'Austria'; 2611 $QuicktimeStoreFrontCodeLookup[143446] = 'Belgium'; 2612 $QuicktimeStoreFrontCodeLookup[143455] = 'Canada'; 2613 $QuicktimeStoreFrontCodeLookup[143458] = 'Denmark'; 2614 $QuicktimeStoreFrontCodeLookup[143447] = 'Finland'; 2615 $QuicktimeStoreFrontCodeLookup[143442] = 'France'; 2616 $QuicktimeStoreFrontCodeLookup[143443] = 'Germany'; 2617 $QuicktimeStoreFrontCodeLookup[143448] = 'Greece'; 2618 $QuicktimeStoreFrontCodeLookup[143449] = 'Ireland'; 2619 $QuicktimeStoreFrontCodeLookup[143450] = 'Italy'; 2620 $QuicktimeStoreFrontCodeLookup[143462] = 'Japan'; 2621 $QuicktimeStoreFrontCodeLookup[143451] = 'Luxembourg'; 2622 $QuicktimeStoreFrontCodeLookup[143452] = 'Netherlands'; 2623 $QuicktimeStoreFrontCodeLookup[143461] = 'New Zealand'; 2624 $QuicktimeStoreFrontCodeLookup[143457] = 'Norway'; 2625 $QuicktimeStoreFrontCodeLookup[143453] = 'Portugal'; 2626 $QuicktimeStoreFrontCodeLookup[143454] = 'Spain'; 2627 $QuicktimeStoreFrontCodeLookup[143456] = 'Sweden'; 2628 $QuicktimeStoreFrontCodeLookup[143459] = 'Switzerland'; 2629 $QuicktimeStoreFrontCodeLookup[143444] = 'United Kingdom'; 2630 $QuicktimeStoreFrontCodeLookup[143441] = 'United States'; 2631 } 2632 return (isset($QuicktimeStoreFrontCodeLookup[$sfid]) ? $QuicktimeStoreFrontCodeLookup[$sfid] : 'invalid'); 2633 } 2634 2635 /** 2636 * @param string $atom_data 2637 * 2638 * @return array 2639 */ 2640 public function QuicktimeParseNikonNCTG($atom_data) { 2641 // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG 2642 // Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100 2643 // Data is stored as records of: 2644 // * 4 bytes record type 2645 // * 2 bytes size of data field type: 2646 // 0x0001 = flag (size field *= 1-byte) 2647 // 0x0002 = char (size field *= 1-byte) 2648 // 0x0003 = DWORD+ (size field *= 2-byte), values are stored CDAB 2649 // 0x0004 = QWORD+ (size field *= 4-byte), values are stored EFGHABCD 2650 // 0x0005 = float (size field *= 8-byte), values are stored aaaabbbb where value is aaaa/bbbb; possibly multiple sets of values appended together 2651 // 0x0007 = bytes (size field *= 1-byte), values are stored as ?????? 2652 // 0x0008 = ????? (size field *= 2-byte), values are stored as ?????? 2653 // * 2 bytes data size field 2654 // * ? bytes data (string data may be null-padded; datestamp fields are in the format "2011:05:25 20:24:15") 2655 // all integers are stored BigEndian 2656 2657 $NCTGtagName = array( 2658 0x00000001 => 'Make', 2659 0x00000002 => 'Model', 2660 0x00000003 => 'Software', 2661 0x00000011 => 'CreateDate', 2662 0x00000012 => 'DateTimeOriginal', 2663 0x00000013 => 'FrameCount', 2664 0x00000016 => 'FrameRate', 2665 0x00000022 => 'FrameWidth', 2666 0x00000023 => 'FrameHeight', 2667 0x00000032 => 'AudioChannels', 2668 0x00000033 => 'AudioBitsPerSample', 2669 0x00000034 => 'AudioSampleRate', 2670 0x02000001 => 'MakerNoteVersion', 2671 0x02000005 => 'WhiteBalance', 2672 0x0200000b => 'WhiteBalanceFineTune', 2673 0x0200001e => 'ColorSpace', 2674 0x02000023 => 'PictureControlData', 2675 0x02000024 => 'WorldTime', 2676 0x02000032 => 'UnknownInfo', 2677 0x02000083 => 'LensType', 2678 0x02000084 => 'Lens', 2679 ); 2680 2681 $offset = 0; 2682 $data = null; 2683 $datalength = strlen($atom_data); 2684 $parsed = array(); 2685 while ($offset < $datalength) { 2686 $record_type = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4)); $offset += 4; 2687 $data_size_type = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); $offset += 2; 2688 $data_size = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); $offset += 2; 2689 switch ($data_size_type) { 2690 case 0x0001: // 0x0001 = flag (size field *= 1-byte) 2691 $data = getid3_lib::BigEndian2Int(substr($atom_data, $offset, $data_size * 1)); 2692 $offset += ($data_size * 1); 2693 break; 2694 case 0x0002: // 0x0002 = char (size field *= 1-byte) 2695 $data = substr($atom_data, $offset, $data_size * 1); 2696 $offset += ($data_size * 1); 2697 $data = rtrim($data, "\x00"); 2698 break; 2699 case 0x0003: // 0x0003 = DWORD+ (size field *= 2-byte), values are stored CDAB 2700 $data = ''; 2701 for ($i = $data_size - 1; $i >= 0; $i--) { 2702 $data .= substr($atom_data, $offset + ($i * 2), 2); 2703 } 2704 $data = getid3_lib::BigEndian2Int($data); 2705 $offset += ($data_size * 2); 2706 break; 2707 case 0x0004: // 0x0004 = QWORD+ (size field *= 4-byte), values are stored EFGHABCD 2708 $data = ''; 2709 for ($i = $data_size - 1; $i >= 0; $i--) { 2710 $data .= substr($atom_data, $offset + ($i * 4), 4); 2711 } 2712 $data = getid3_lib::BigEndian2Int($data); 2713 $offset += ($data_size * 4); 2714 break; 2715 case 0x0005: // 0x0005 = float (size field *= 8-byte), values are stored aaaabbbb where value is aaaa/bbbb; possibly multiple sets of values appended together 2716 $data = array(); 2717 for ($i = 0; $i < $data_size; $i++) { 2718 $numerator = getid3_lib::BigEndian2Int(substr($atom_data, $offset + ($i * 8) + 0, 4)); 2719 $denomninator = getid3_lib::BigEndian2Int(substr($atom_data, $offset + ($i * 8) + 4, 4)); 2720 if ($denomninator == 0) { 2721 $data[$i] = false; 2722 } else { 2723 $data[$i] = (double) $numerator / $denomninator; 2724 } 2725 } 2726 $offset += (8 * $data_size); 2727 if (count($data) == 1) { 2728 $data = $data[0]; 2729 } 2730 break; 2731 case 0x0007: // 0x0007 = bytes (size field *= 1-byte), values are stored as ?????? 2732 $data = substr($atom_data, $offset, $data_size * 1); 2733 $offset += ($data_size * 1); 2734 break; 2735 case 0x0008: // 0x0008 = ????? (size field *= 2-byte), values are stored as ?????? 2736 $data = substr($atom_data, $offset, $data_size * 2); 2737 $offset += ($data_size * 2); 2738 break; 2739 default: 2740 echo 'QuicktimeParseNikonNCTG()::unknown $data_size_type: '.$data_size_type.'<br>'; 2741 break 2; 2742 } 2743 2744 switch ($record_type) { 2745 case 0x00000011: // CreateDate 2746 case 0x00000012: // DateTimeOriginal 2747 $data = strtotime($data); 2748 break; 2749 case 0x0200001e: // ColorSpace 2750 switch ($data) { 2751 case 1: 2752 $data = 'sRGB'; 2753 break; 2754 case 2: 2755 $data = 'Adobe RGB'; 2756 break; 2757 } 2758 break; 2759 case 0x02000023: // PictureControlData 2760 $PictureControlAdjust = array(0=>'default', 1=>'quick', 2=>'full'); 2761 $FilterEffect = array(0x80=>'off', 0x81=>'yellow', 0x82=>'orange', 0x83=>'red', 0x84=>'green', 0xff=>'n/a'); 2762 $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'); 2763 $data = array( 2764 'PictureControlVersion' => substr($data, 0, 4), 2765 'PictureControlName' => rtrim(substr($data, 4, 20), "\x00"), 2766 'PictureControlBase' => rtrim(substr($data, 24, 20), "\x00"), 2767 //'?' => substr($data, 44, 4), 2768 'PictureControlAdjust' => $PictureControlAdjust[ord(substr($data, 48, 1))], 2769 'PictureControlQuickAdjust' => ord(substr($data, 49, 1)), 2770 'Sharpness' => ord(substr($data, 50, 1)), 2771 'Contrast' => ord(substr($data, 51, 1)), 2772 'Brightness' => ord(substr($data, 52, 1)), 2773 'Saturation' => ord(substr($data, 53, 1)), 2774 'HueAdjustment' => ord(substr($data, 54, 1)), 2775 'FilterEffect' => $FilterEffect[ord(substr($data, 55, 1))], 2776 'ToningEffect' => $ToningEffect[ord(substr($data, 56, 1))], 2777 'ToningSaturation' => ord(substr($data, 57, 1)), 2778 ); 2779 break; 2780 case 0x02000024: // WorldTime 2781 // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#WorldTime 2782 // timezone is stored as offset from GMT in minutes 2783 $timezone = getid3_lib::BigEndian2Int(substr($data, 0, 2)); 2784 if ($timezone & 0x8000) { 2785 $timezone = 0 - (0x10000 - $timezone); 2786 } 2787 $timezone /= 60; 2788 2789 $dst = (bool) getid3_lib::BigEndian2Int(substr($data, 2, 1)); 2790 switch (getid3_lib::BigEndian2Int(substr($data, 3, 1))) { 2791 case 2: 2792 $datedisplayformat = 'D/M/Y'; break; 2793 case 1: 2794 $datedisplayformat = 'M/D/Y'; break; 2795 case 0: 2796 default: 2797 $datedisplayformat = 'Y/M/D'; break; 2798 } 2799 2800 $data = array('timezone'=>floatval($timezone), 'dst'=>$dst, 'display'=>$datedisplayformat); 2801 break; 2802 case 0x02000083: // LensType 2803 $data = array( 2804 //'_' => $data, 2805 'mf' => (bool) ($data & 0x01), 2806 'd' => (bool) ($data & 0x02), 2807 'g' => (bool) ($data & 0x04), 2808 'vr' => (bool) ($data & 0x08), 2809 ); 2810 break; 2811 } 2812 $tag_name = (isset($NCTGtagName[$record_type]) ? $NCTGtagName[$record_type] : '0x'.str_pad(dechex($record_type), 8, '0', STR_PAD_LEFT)); 2813 $parsed[$tag_name] = $data; 2814 } 2815 return $parsed; 2816 } 2817 2818 /** 2819 * @param string $keyname 2820 * @param string|array $data 2821 * @param string $boxname 2822 * 2823 * @return bool 2824 */ 2825 public function CopyToAppropriateCommentsSection($keyname, $data, $boxname='') { 2826 static $handyatomtranslatorarray = array(); 2827 if (empty($handyatomtranslatorarray)) { 2828 // http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt 2829 // http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt 2830 // http://atomicparsley.sourceforge.net/mpeg-4files.html 2831 // https://code.google.com/p/mp4v2/wiki/iTunesMetadata 2832 $handyatomtranslatorarray["\xA9".'alb'] = 'album'; // iTunes 4.0 2833 $handyatomtranslatorarray["\xA9".'ART'] = 'artist'; 2834 $handyatomtranslatorarray["\xA9".'art'] = 'artist'; // iTunes 4.0 2835 $handyatomtranslatorarray["\xA9".'aut'] = 'author'; 2836 $handyatomtranslatorarray["\xA9".'cmt'] = 'comment'; // iTunes 4.0 2837 $handyatomtranslatorarray["\xA9".'com'] = 'comment'; 2838 $handyatomtranslatorarray["\xA9".'cpy'] = 'copyright'; 2839 $handyatomtranslatorarray["\xA9".'day'] = 'creation_date'; // iTunes 4.0 2840 $handyatomtranslatorarray["\xA9".'dir'] = 'director'; 2841 $handyatomtranslatorarray["\xA9".'ed1'] = 'edit1'; 2842 $handyatomtranslatorarray["\xA9".'ed2'] = 'edit2'; 2843 $handyatomtranslatorarray["\xA9".'ed3'] = 'edit3'; 2844 $handyatomtranslatorarray["\xA9".'ed4'] = 'edit4'; 2845 $handyatomtranslatorarray["\xA9".'ed5'] = 'edit5'; 2846 $handyatomtranslatorarray["\xA9".'ed6'] = 'edit6'; 2847 $handyatomtranslatorarray["\xA9".'ed7'] = 'edit7'; 2848 $handyatomtranslatorarray["\xA9".'ed8'] = 'edit8'; 2849 $handyatomtranslatorarray["\xA9".'ed9'] = 'edit9'; 2850 $handyatomtranslatorarray["\xA9".'enc'] = 'encoded_by'; 2851 $handyatomtranslatorarray["\xA9".'fmt'] = 'format'; 2852 $handyatomtranslatorarray["\xA9".'gen'] = 'genre'; // iTunes 4.0 2853 $handyatomtranslatorarray["\xA9".'grp'] = 'grouping'; // iTunes 4.2 2854 $handyatomtranslatorarray["\xA9".'hst'] = 'host_computer'; 2855 $handyatomtranslatorarray["\xA9".'inf'] = 'information'; 2856 $handyatomtranslatorarray["\xA9".'lyr'] = 'lyrics'; // iTunes 5.0 2857 $handyatomtranslatorarray["\xA9".'mak'] = 'make'; 2858 $handyatomtranslatorarray["\xA9".'mod'] = 'model'; 2859 $handyatomtranslatorarray["\xA9".'nam'] = 'title'; // iTunes 4.0 2860 $handyatomtranslatorarray["\xA9".'ope'] = 'composer'; 2861 $handyatomtranslatorarray["\xA9".'prd'] = 'producer'; 2862 $handyatomtranslatorarray["\xA9".'PRD'] = 'product'; 2863 $handyatomtranslatorarray["\xA9".'prf'] = 'performers'; 2864 $handyatomtranslatorarray["\xA9".'req'] = 'system_requirements'; 2865 $handyatomtranslatorarray["\xA9".'src'] = 'source_credit'; 2866 $handyatomtranslatorarray["\xA9".'swr'] = 'software'; 2867 $handyatomtranslatorarray["\xA9".'too'] = 'encoding_tool'; // iTunes 4.0 2868 $handyatomtranslatorarray["\xA9".'trk'] = 'track_number'; 2869 $handyatomtranslatorarray["\xA9".'url'] = 'url'; 2870 $handyatomtranslatorarray["\xA9".'wrn'] = 'warning'; 2871 $handyatomtranslatorarray["\xA9".'wrt'] = 'composer'; 2872 $handyatomtranslatorarray['aART'] = 'album_artist'; 2873 $handyatomtranslatorarray['apID'] = 'purchase_account'; 2874 $handyatomtranslatorarray['catg'] = 'category'; // iTunes 4.9 2875 $handyatomtranslatorarray['covr'] = 'picture'; // iTunes 4.0 2876 $handyatomtranslatorarray['cpil'] = 'compilation'; // iTunes 4.0 2877 $handyatomtranslatorarray['cprt'] = 'copyright'; // iTunes 4.0? 2878 $handyatomtranslatorarray['desc'] = 'description'; // iTunes 5.0 2879 $handyatomtranslatorarray['disk'] = 'disc_number'; // iTunes 4.0 2880 $handyatomtranslatorarray['egid'] = 'episode_guid'; // iTunes 4.9 2881 $handyatomtranslatorarray['gnre'] = 'genre'; // iTunes 4.0 2882 $handyatomtranslatorarray['hdvd'] = 'hd_video'; // iTunes 4.0 2883 $handyatomtranslatorarray['ldes'] = 'description_long'; // 2884 $handyatomtranslatorarray['keyw'] = 'keyword'; // iTunes 4.9 2885 $handyatomtranslatorarray['pcst'] = 'podcast'; // iTunes 4.9 2886 $handyatomtranslatorarray['pgap'] = 'gapless_playback'; // iTunes 7.0 2887 $handyatomtranslatorarray['purd'] = 'purchase_date'; // iTunes 6.0.2 2888 $handyatomtranslatorarray['purl'] = 'podcast_url'; // iTunes 4.9 2889 $handyatomtranslatorarray['rtng'] = 'rating'; // iTunes 4.0 2890 $handyatomtranslatorarray['soaa'] = 'sort_album_artist'; // 2891 $handyatomtranslatorarray['soal'] = 'sort_album'; // 2892 $handyatomtranslatorarray['soar'] = 'sort_artist'; // 2893 $handyatomtranslatorarray['soco'] = 'sort_composer'; // 2894 $handyatomtranslatorarray['sonm'] = 'sort_title'; // 2895 $handyatomtranslatorarray['sosn'] = 'sort_show'; // 2896 $handyatomtranslatorarray['stik'] = 'stik'; // iTunes 4.9 2897 $handyatomtranslatorarray['tmpo'] = 'bpm'; // iTunes 4.0 2898 $handyatomtranslatorarray['trkn'] = 'track_number'; // iTunes 4.0 2899 $handyatomtranslatorarray['tven'] = 'tv_episode_id'; // 2900 $handyatomtranslatorarray['tves'] = 'tv_episode'; // iTunes 6.0 2901 $handyatomtranslatorarray['tvnn'] = 'tv_network_name'; // iTunes 6.0 2902 $handyatomtranslatorarray['tvsh'] = 'tv_show_name'; // iTunes 6.0 2903 $handyatomtranslatorarray['tvsn'] = 'tv_season'; // iTunes 6.0 2904 2905 // boxnames: 2906 /* 2907 $handyatomtranslatorarray['iTunSMPB'] = 'iTunSMPB'; 2908 $handyatomtranslatorarray['iTunNORM'] = 'iTunNORM'; 2909 $handyatomtranslatorarray['Encoding Params'] = 'Encoding Params'; 2910 $handyatomtranslatorarray['replaygain_track_gain'] = 'replaygain_track_gain'; 2911 $handyatomtranslatorarray['replaygain_track_peak'] = 'replaygain_track_peak'; 2912 $handyatomtranslatorarray['replaygain_track_minmax'] = 'replaygain_track_minmax'; 2913 $handyatomtranslatorarray['MusicIP PUID'] = 'MusicIP PUID'; 2914 $handyatomtranslatorarray['MusicBrainz Artist Id'] = 'MusicBrainz Artist Id'; 2915 $handyatomtranslatorarray['MusicBrainz Album Id'] = 'MusicBrainz Album Id'; 2916 $handyatomtranslatorarray['MusicBrainz Album Artist Id'] = 'MusicBrainz Album Artist Id'; 2917 $handyatomtranslatorarray['MusicBrainz Track Id'] = 'MusicBrainz Track Id'; 2918 $handyatomtranslatorarray['MusicBrainz Disc Id'] = 'MusicBrainz Disc Id'; 2919 2920 // http://age.hobba.nl/audio/tag_frame_reference.html 2921 $handyatomtranslatorarray['PLAY_COUNTER'] = 'play_counter'; // Foobar2000 - https://www.getid3.org/phpBB3/viewtopic.php?t=1355 2922 $handyatomtranslatorarray['MEDIATYPE'] = 'mediatype'; // Foobar2000 - https://www.getid3.org/phpBB3/viewtopic.php?t=1355 2923 */ 2924 } 2925 $info = &$this->getid3->info; 2926 $comment_key = ''; 2927 if ($boxname && ($boxname != $keyname)) { 2928 $comment_key = (isset($handyatomtranslatorarray[$boxname]) ? $handyatomtranslatorarray[$boxname] : $boxname); 2929 } elseif (isset($handyatomtranslatorarray[$keyname])) { 2930 $comment_key = $handyatomtranslatorarray[$keyname]; 2931 } 2932 if ($comment_key) { 2933 if ($comment_key == 'picture') { 2934 // already copied directly into [comments][picture] elsewhere, do not re-copy here 2935 return true; 2936 } 2937 $gooddata = array($data); 2938 if ($comment_key == 'genre') { 2939 // some other taggers separate multiple genres with semicolon, e.g. "Heavy Metal;Thrash Metal;Metal" 2940 $gooddata = explode(';', $data); 2941 } 2942 foreach ($gooddata as $data) { 2943 if (!empty($info['quicktime']['comments'][$comment_key]) && in_array($data, $info['quicktime']['comments'][$comment_key], true)) { 2944 // avoid duplicate copies of identical data 2945 continue; 2946 } 2947 $info['quicktime']['comments'][$comment_key][] = $data; 2948 } 2949 } 2950 return true; 2951 } 2952 2953 /** 2954 * @param string $lstring 2955 * @param int $count 2956 * 2957 * @return string 2958 */ 2959 public function LociString($lstring, &$count) { 2960 // Loci strings are UTF-8 or UTF-16 and null (x00/x0000) terminated. UTF-16 has a BOM 2961 // Also need to return the number of bytes the string occupied so additional fields can be extracted 2962 $len = strlen($lstring); 2963 if ($len == 0) { 2964 $count = 0; 2965 return ''; 2966 } 2967 if ($lstring[0] == "\x00") { 2968 $count = 1; 2969 return ''; 2970 } 2971 // check for BOM 2972 if (($len > 2) && ((($lstring[0] == "\xFE") && ($lstring[1] == "\xFF")) || (($lstring[0] == "\xFF") && ($lstring[1] == "\xFE")))) { 2973 // UTF-16 2974 if (preg_match('/(.*)\x00/', $lstring, $lmatches)) { 2975 $count = strlen($lmatches[1]) * 2 + 2; //account for 2 byte characters and trailing \x0000 2976 return getid3_lib::iconv_fallback_utf16_utf8($lmatches[1]); 2977 } else { 2978 return ''; 2979 } 2980 } 2981 // UTF-8 2982 if (preg_match('/(.*)\x00/', $lstring, $lmatches)) { 2983 $count = strlen($lmatches[1]) + 1; //account for trailing \x00 2984 return $lmatches[1]; 2985 } 2986 return ''; 2987 } 2988 2989 /** 2990 * @param string $nullterminatedstring 2991 * 2992 * @return string 2993 */ 2994 public function NoNullString($nullterminatedstring) { 2995 // remove the single null terminator on null terminated strings 2996 if (substr($nullterminatedstring, strlen($nullterminatedstring) - 1, 1) === "\x00") { 2997 return substr($nullterminatedstring, 0, strlen($nullterminatedstring) - 1); 2998 } 2999 return $nullterminatedstring; 3000 } 3001 3002 /** 3003 * @param string $pascalstring 3004 * 3005 * @return string 3006 */ 3007 public function Pascal2String($pascalstring) { 3008 // Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string 3009 return substr($pascalstring, 1); 3010 } 3011 3012 /** 3013 * @param string $pascalstring 3014 * 3015 * @return string 3016 */ 3017 public function MaybePascal2String($pascalstring) { 3018 // Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string 3019 // Check if string actually is in this format or written incorrectly, straight string, or null-terminated string 3020 if (ord(substr($pascalstring, 0, 1)) == (strlen($pascalstring) - 1)) { 3021 return substr($pascalstring, 1); 3022 } elseif (substr($pascalstring, -1, 1) == "\x00") { 3023 // appears to be null-terminated instead of Pascal-style 3024 return substr($pascalstring, 0, -1); 3025 } 3026 return $pascalstring; 3027 } 3028 3029 3030 /** 3031 * Helper functions for m4b audiobook chapters 3032 * code by Steffen Hartmann 2015-Nov-08. 3033 * 3034 * @param array $info 3035 * @param string $tag 3036 * @param string $history 3037 * @param array $result 3038 */ 3039 public function search_tag_by_key($info, $tag, $history, &$result) { 3040 foreach ($info as $key => $value) { 3041 $key_history = $history.'/'.$key; 3042 if ($key === $tag) { 3043 $result[] = array($key_history, $info); 3044 } else { 3045 if (is_array($value)) { 3046 $this->search_tag_by_key($value, $tag, $key_history, $result); 3047 } 3048 } 3049 } 3050 } 3051 3052 /** 3053 * @param array $info 3054 * @param string $k 3055 * @param string $v 3056 * @param string $history 3057 * @param array $result 3058 */ 3059 public function search_tag_by_pair($info, $k, $v, $history, &$result) { 3060 foreach ($info as $key => $value) { 3061 $key_history = $history.'/'.$key; 3062 if (($key === $k) && ($value === $v)) { 3063 $result[] = array($key_history, $info); 3064 } else { 3065 if (is_array($value)) { 3066 $this->search_tag_by_pair($value, $k, $v, $key_history, $result); 3067 } 3068 } 3069 } 3070 } 3071 3072 /** 3073 * @param array $info 3074 * 3075 * @return array 3076 */ 3077 public function quicktime_time_to_sample_table($info) { 3078 $res = array(); 3079 $this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res); 3080 foreach ($res as $value) { 3081 $stbl_res = array(); 3082 $this->search_tag_by_pair($value[1], 'data_format', 'text', $value[0], $stbl_res); 3083 if (count($stbl_res) > 0) { 3084 $stts_res = array(); 3085 $this->search_tag_by_key($value[1], 'time_to_sample_table', $value[0], $stts_res); 3086 if (count($stts_res) > 0) { 3087 return $stts_res[0][1]['time_to_sample_table']; 3088 } 3089 } 3090 } 3091 return array(); 3092 } 3093 3094 /** 3095 * @param array $info 3096 * 3097 * @return int 3098 */ 3099 public function quicktime_bookmark_time_scale($info) { 3100 $time_scale = ''; 3101 $ts_prefix_len = 0; 3102 $res = array(); 3103 $this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res); 3104 foreach ($res as $value) { 3105 $stbl_res = array(); 3106 $this->search_tag_by_pair($value[1], 'data_format', 'text', $value[0], $stbl_res); 3107 if (count($stbl_res) > 0) { 3108 $ts_res = array(); 3109 $this->search_tag_by_key($info['quicktime']['moov'], 'time_scale', 'quicktime/moov', $ts_res); 3110 foreach ($ts_res as $sub_value) { 3111 $prefix = substr($sub_value[0], 0, -12); 3112 if ((substr($stbl_res[0][0], 0, strlen($prefix)) === $prefix) && ($ts_prefix_len < strlen($prefix))) { 3113 $time_scale = $sub_value[1]['time_scale']; 3114 $ts_prefix_len = strlen($prefix); 3115 } 3116 } 3117 } 3118 } 3119 return $time_scale; 3120 } 3121 /* 3122 // END helper functions for m4b audiobook chapters 3123 */ 3124 3125 3126} 3127