module.audio-video.quicktime.php (164611B)
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 18 if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers 19 exit; 20 } 21 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true); 22 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true); // needed for ISO 639-2 language code lookup 23 24 class getid3_quicktime extends getid3_handler 25 { 26 27 public $ReturnAtomData = true; 28 public $ParseAllPossibleAtoms = false; 29 30 /** 31 * @return bool 32 */ 33 public function Analyze() { 34 $info = &$this->getid3->info; 35 36 $info['fileformat'] = 'quicktime'; 37 $info['quicktime']['hinting'] = false; 38 $info['quicktime']['controller'] = 'standard'; // may be overridden if 'ctyp' atom is present 39 40 $this->fseek($info['avdataoffset']); 41 42 $offset = 0; 43 $atomcounter = 0; 44 $atom_data_read_buffer_size = $info['php_memory_limit'] ? round($info['php_memory_limit'] / 4) : $this->getid3->option_fread_buffer_size * 1024; // set read buffer to 25% of PHP memory limit (if one is specified), otherwise use option_fread_buffer_size [default: 32MB] 45 while ($offset < $info['avdataend']) { 46 if (!getid3_lib::intValueSupported($offset)) { 47 $this->error('Unable to parse atom at offset '.$offset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions'); 48 break; 49 } 50 $this->fseek($offset); 51 $AtomHeader = $this->fread(8); 52 53 $atomsize = getid3_lib::BigEndian2Int(substr($AtomHeader, 0, 4)); 54 $atomname = substr($AtomHeader, 4, 4); 55 56 // 64-bit MOV patch by jlegateØktnc*com 57 if ($atomsize == 1) { 58 $atomsize = getid3_lib::BigEndian2Int($this->fread(8)); 59 } 60 61 if (($offset + $atomsize) > $info['avdataend']) { 62 $info['quicktime'][$atomname]['name'] = $atomname; 63 $info['quicktime'][$atomname]['size'] = $atomsize; 64 $info['quicktime'][$atomname]['offset'] = $offset; 65 $this->error('Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atomsize.' bytes)'); 66 return false; 67 } 68 if ($atomsize == 0) { 69 // Furthermore, for historical reasons the list of atoms is optionally 70 // terminated by a 32-bit integer set to 0. If you are writing a program 71 // to read user data atoms, you should allow for the terminating 0. 72 $info['quicktime'][$atomname]['name'] = $atomname; 73 $info['quicktime'][$atomname]['size'] = $atomsize; 74 $info['quicktime'][$atomname]['offset'] = $offset; 75 break; 76 } 77 78 $atomHierarchy = array(); 79 $parsedAtomData = $this->QuicktimeParseAtom($atomname, $atomsize, $this->fread(min($atomsize, $atom_data_read_buffer_size)), $offset, $atomHierarchy, $this->ParseAllPossibleAtoms); 80 $parsedAtomData['name'] = $atomname; 81 $parsedAtomData['size'] = $atomsize; 82 $parsedAtomData['offset'] = $offset; 83 if (in_array($atomname, array('uuid'))) { 84 @$info['quicktime'][$atomname][] = $parsedAtomData; 85 } else { 86 $info['quicktime'][$atomname] = $parsedAtomData; 87 } 88 89 $offset += $atomsize; 90 $atomcounter++; 91 } 92 93 if (!empty($info['avdataend_tmp'])) { 94 // this value is assigned to a temp value and then erased because 95 // otherwise any atoms beyond the 'mdat' atom would not get parsed 96 $info['avdataend'] = $info['avdataend_tmp']; 97 unset($info['avdataend_tmp']); 98 } 99 100 if (!empty($info['quicktime']['comments']['chapters']) && is_array($info['quicktime']['comments']['chapters']) && (count($info['quicktime']['comments']['chapters']) > 0)) { 101 $durations = $this->quicktime_time_to_sample_table($info); 102 for ($i = 0; $i < count($info['quicktime']['comments']['chapters']); $i++) { 103 $bookmark = array(); 104 $bookmark['title'] = $info['quicktime']['comments']['chapters'][$i]; 105 if (isset($durations[$i])) { 106 $bookmark['duration_sample'] = $durations[$i]['sample_duration']; 107 if ($i > 0) { 108 $bookmark['start_sample'] = $info['quicktime']['bookmarks'][($i - 1)]['start_sample'] + $info['quicktime']['bookmarks'][($i - 1)]['duration_sample']; 109 } else { 110 $bookmark['start_sample'] = 0; 111 } 112 if ($time_scale = $this->quicktime_bookmark_time_scale($info)) { 113 $bookmark['duration_seconds'] = $bookmark['duration_sample'] / $time_scale; 114 $bookmark['start_seconds'] = $bookmark['start_sample'] / $time_scale; 115 } 116 } 117 $info['quicktime']['bookmarks'][] = $bookmark; 118 } 119 } 120 121 if (isset($info['quicktime']['temp_meta_key_names'])) { 122 unset($info['quicktime']['temp_meta_key_names']); 123 } 124 125 if (!empty($info['quicktime']['comments']['location.ISO6709'])) { 126 // https://en.wikipedia.org/wiki/ISO_6709 127 foreach ($info['quicktime']['comments']['location.ISO6709'] as $ISO6709string) { 128 $ISO6709parsed = array('latitude'=>false, 'longitude'=>false, 'altitude'=>false); 129 if (preg_match('#^([\\+\\-])([0-9]{2}|[0-9]{4}|[0-9]{6})(\\.[0-9]+)?([\\+\\-])([0-9]{3}|[0-9]{5}|[0-9]{7})(\\.[0-9]+)?(([\\+\\-])([0-9]{3}|[0-9]{5}|[0-9]{7})(\\.[0-9]+)?)?/$#', $ISO6709string, $matches)) { 130 // phpcs:ignore PHPCompatibility.Lists.AssignmentOrder.Affected 131 @list($dummy, $lat_sign, $lat_deg, $lat_deg_dec, $lon_sign, $lon_deg, $lon_deg_dec, $dummy, $alt_sign, $alt_deg, $alt_deg_dec) = $matches; 132 133 if (strlen($lat_deg) == 2) { // [+-]DD.D 134 $ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim($lat_deg, '0').$lat_deg_dec); 135 } elseif (strlen($lat_deg) == 4) { // [+-]DDMM.M 136 $ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval(ltrim(substr($lat_deg, 2, 2), '0').$lat_deg_dec / 60); 137 } elseif (strlen($lat_deg) == 6) { // [+-]DDMMSS.S 138 $ISO6709parsed['latitude'] = (($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); 139 } 140 141 if (strlen($lon_deg) == 3) { // [+-]DDD.D 142 $ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim($lon_deg, '0').$lon_deg_dec); 143 } elseif (strlen($lon_deg) == 5) { // [+-]DDDMM.M 144 $ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval(ltrim(substr($lon_deg, 2, 2), '0').$lon_deg_dec / 60); 145 } elseif (strlen($lon_deg) == 7) { // [+-]DDDMMSS.S 146 $ISO6709parsed['longitude'] = (($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); 147 } 148 149 if (strlen($alt_deg) == 3) { // [+-]DDD.D 150 $ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim($alt_deg, '0').$alt_deg_dec); 151 } elseif (strlen($alt_deg) == 5) { // [+-]DDDMM.M 152 $ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval(ltrim(substr($alt_deg, 2, 2), '0').$alt_deg_dec / 60); 153 } elseif (strlen($alt_deg) == 7) { // [+-]DDDMMSS.S 154 $ISO6709parsed['altitude'] = (($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); 155 } 156 157 foreach (array('latitude', 'longitude', 'altitude') as $key) { 158 if ($ISO6709parsed[$key] !== false) { 159 $value = (($lat_sign == '-') ? -1 : 1) * floatval($ISO6709parsed[$key]); 160 if (!isset($info['quicktime']['comments']['gps_'.$key]) || !in_array($value, $info['quicktime']['comments']['gps_'.$key])) { 161 @$info['quicktime']['comments']['gps_'.$key][] = (($lat_sign == '-') ? -1 : 1) * floatval($ISO6709parsed[$key]); 162 } 163 } 164 } 165 } 166 if ($ISO6709parsed['latitude'] === false) { 167 $this->warning('location.ISO6709 string not parsed correctly: "'.$ISO6709string.'", please submit as a bug'); 168 } 169 break; 170 } 171 } 172 173 if (!isset($info['bitrate']) && isset($info['playtime_seconds'])) { 174 $info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds']; 175 } 176 if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info['quicktime']['video'])) { 177 $info['audio']['bitrate'] = $info['bitrate']; 178 } 179 if (!empty($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'])) { 180 $info['video']['bitrate'] = $info['bitrate'] - $info['audio']['bitrate']; 181 } 182 if (!empty($info['playtime_seconds']) && !isset($info['video']['frame_rate']) && !empty($info['quicktime']['stts_framecount'])) { 183 foreach ($info['quicktime']['stts_framecount'] as $key => $samples_count) { 184 $samples_per_second = $samples_count / $info['playtime_seconds']; 185 if ($samples_per_second > 240) { 186 // has to be audio samples 187 } else { 188 $info['video']['frame_rate'] = $samples_per_second; 189 break; 190 } 191 } 192 } 193 if ($info['audio']['dataformat'] == 'mp4') { 194 $info['fileformat'] = 'mp4'; 195 if (empty($info['video']['resolution_x'])) { 196 $info['mime_type'] = 'audio/mp4'; 197 unset($info['video']['dataformat']); 198 } else { 199 $info['mime_type'] = 'video/mp4'; 200 } 201 } 202 203 if (!$this->ReturnAtomData) { 204 unset($info['quicktime']['moov']); 205 } 206 207 if (empty($info['audio']['dataformat']) && !empty($info['quicktime']['audio'])) { 208 $info['audio']['dataformat'] = 'quicktime'; 209 } 210 if (empty($info['video']['dataformat']) && !empty($info['quicktime']['video'])) { 211 $info['video']['dataformat'] = 'quicktime'; 212 } 213 if (isset($info['video']) && ($info['mime_type'] == 'audio/mp4') && empty($info['video']['resolution_x']) && empty($info['video']['resolution_y'])) { 214 unset($info['video']); 215 } 216 217 return true; 218 } 219 220 /** 221 * @param string $atomname 222 * @param int $atomsize 223 * @param string $atom_data 224 * @param int $baseoffset 225 * @param array $atomHierarchy 226 * @param bool $ParseAllPossibleAtoms 227 * 228 * @return array|false 229 */ 230 public function QuicktimeParseAtom($atomname, $atomsize, $atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { 231 // http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm 232 // https://code.google.com/p/mp4v2/wiki/iTunesMetadata 233 234 $info = &$this->getid3->info; 235 236 $atom_parent = end($atomHierarchy); // not array_pop($atomHierarchy); see https://www.getid3.org/phpBB3/viewtopic.php?t=1717 237 array_push($atomHierarchy, $atomname); 238 $atom_structure = array(); 239 $atom_structure['hierarchy'] = implode(' ', $atomHierarchy); 240 $atom_structure['name'] = $atomname; 241 $atom_structure['size'] = $atomsize; 242 $atom_structure['offset'] = $baseoffset; 243 if (substr($atomname, 0, 3) == "\x00\x00\x00") { 244 // https://github.com/JamesHeinrich/getID3/issues/139 245 $atomname = getid3_lib::BigEndian2Int($atomname); 246 $atom_structure['name'] = $atomname; 247 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 248 } else { 249 switch ($atomname) { 250 case 'moov': // MOVie container atom 251 case 'trak': // TRAcK container atom 252 case 'clip': // CLIPping container atom 253 case 'matt': // track MATTe container atom 254 case 'edts': // EDiTS container atom 255 case 'tref': // Track REFerence container atom 256 case 'mdia': // MeDIA container atom 257 case 'minf': // Media INFormation container atom 258 case 'dinf': // Data INFormation container atom 259 case 'nmhd': // Null Media HeaDer container atom 260 case 'udta': // User DaTA container atom 261 case 'cmov': // Compressed MOVie container atom 262 case 'rmra': // Reference Movie Record Atom 263 case 'rmda': // Reference Movie Descriptor Atom 264 case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR) 265 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 266 break; 267 268 case 'ilst': // Item LiST container atom 269 if ($atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms)) { 270 // some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted 271 $allnumericnames = true; 272 foreach ($atom_structure['subatoms'] as $subatomarray) { 273 if (!is_integer($subatomarray['name']) || (count($subatomarray['subatoms']) != 1)) { 274 $allnumericnames = false; 275 break; 276 } 277 } 278 if ($allnumericnames) { 279 $newData = array(); 280 foreach ($atom_structure['subatoms'] as $subatomarray) { 281 foreach ($subatomarray['subatoms'] as $newData_subatomarray) { 282 unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']); 283 $newData[$subatomarray['name']] = $newData_subatomarray; 284 break; 285 } 286 } 287 $atom_structure['data'] = $newData; 288 unset($atom_structure['subatoms']); 289 } 290 } 291 break; 292 293 case 'stbl': // Sample TaBLe container atom 294 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 295 $isVideo = false; 296 $framerate = 0; 297 $framecount = 0; 298 foreach ($atom_structure['subatoms'] as $key => $value_array) { 299 if (isset($value_array['sample_description_table'])) { 300 foreach ($value_array['sample_description_table'] as $key2 => $value_array2) { 301 if (isset($value_array2['data_format'])) { 302 switch ($value_array2['data_format']) { 303 case 'avc1': 304 case 'mp4v': 305 // video data 306 $isVideo = true; 307 break; 308 case 'mp4a': 309 // audio data 310 break; 311 } 312 } 313 } 314 } elseif (isset($value_array['time_to_sample_table'])) { 315 foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) { 316 if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && ($value_array2['sample_duration'] > 0)) { 317 $framerate = round($info['quicktime']['time_scale'] / $value_array2['sample_duration'], 3); 318 $framecount = $value_array2['sample_count']; 319 } 320 } 321 } 322 } 323 if ($isVideo && $framerate) { 324 $info['quicktime']['video']['frame_rate'] = $framerate; 325 $info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate']; 326 } 327 if ($isVideo && $framecount) { 328 $info['quicktime']['video']['frame_count'] = $framecount; 329 } 330 break; 331 332 333 case "\xA9".'alb': // ALBum 334 case "\xA9".'ART': // 335 case "\xA9".'art': // ARTist 336 case "\xA9".'aut': // 337 case "\xA9".'cmt': // CoMmenT 338 case "\xA9".'com': // COMposer 339 case "\xA9".'cpy': // 340 case "\xA9".'day': // content created year 341 case "\xA9".'dir': // 342 case "\xA9".'ed1': // 343 case "\xA9".'ed2': // 344 case "\xA9".'ed3': // 345 case "\xA9".'ed4': // 346 case "\xA9".'ed5': // 347 case "\xA9".'ed6': // 348 case "\xA9".'ed7': // 349 case "\xA9".'ed8': // 350 case "\xA9".'ed9': // 351 case "\xA9".'enc': // 352 case "\xA9".'fmt': // 353 case "\xA9".'gen': // GENre 354 case "\xA9".'grp': // GRouPing 355 case "\xA9".'hst': // 356 case "\xA9".'inf': // 357 case "\xA9".'lyr': // LYRics 358 case "\xA9".'mak': // 359 case "\xA9".'mod': // 360 case "\xA9".'nam': // full NAMe 361 case "\xA9".'ope': // 362 case "\xA9".'PRD': // 363 case "\xA9".'prf': // 364 case "\xA9".'req': // 365 case "\xA9".'src': // 366 case "\xA9".'swr': // 367 case "\xA9".'too': // encoder 368 case "\xA9".'trk': // TRacK 369 case "\xA9".'url': // 370 case "\xA9".'wrn': // 371 case "\xA9".'wrt': // WRiTer 372 case '----': // itunes specific 373 case 'aART': // Album ARTist 374 case 'akID': // iTunes store account type 375 case 'apID': // Purchase Account 376 case 'atID': // 377 case 'catg': // CaTeGory 378 case 'cmID': // 379 case 'cnID': // 380 case 'covr': // COVeR artwork 381 case 'cpil': // ComPILation 382 case 'cprt': // CoPyRighT 383 case 'desc': // DESCription 384 case 'disk': // DISK number 385 case 'egid': // Episode Global ID 386 case 'geID': // 387 case 'gnre': // GeNRE 388 case 'hdvd': // HD ViDeo 389 case 'keyw': // KEYWord 390 case 'ldes': // Long DEScription 391 case 'pcst': // PodCaST 392 case 'pgap': // GAPless Playback 393 case 'plID': // 394 case 'purd': // PURchase Date 395 case 'purl': // Podcast URL 396 case 'rati': // 397 case 'rndu': // 398 case 'rpdu': // 399 case 'rtng': // RaTiNG 400 case 'sfID': // iTunes store country 401 case 'soaa': // SOrt Album Artist 402 case 'soal': // SOrt ALbum 403 case 'soar': // SOrt ARtist 404 case 'soco': // SOrt COmposer 405 case 'sonm': // SOrt NaMe 406 case 'sosn': // SOrt Show Name 407 case 'stik': // 408 case 'tmpo': // TeMPO (BPM) 409 case 'trkn': // TRacK Number 410 case 'tven': // tvEpisodeID 411 case 'tves': // TV EpiSode 412 case 'tvnn': // TV Network Name 413 case 'tvsh': // TV SHow Name 414 case 'tvsn': // TV SeasoN 415 if ($atom_parent == 'udta') { 416 // User data atom handler 417 $atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); 418 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); 419 $atom_structure['data'] = substr($atom_data, 4); 420 421 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); 422 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { 423 $info['comments']['language'][] = $atom_structure['language']; 424 } 425 } else { 426 // Apple item list box atom handler 427 $atomoffset = 0; 428 if (substr($atom_data, 2, 2) == "\x10\xB5") { 429 // not sure what it means, but observed on iPhone4 data. 430 // Each $atom_data has 2 bytes of datasize, plus 0x10B5, then data 431 while ($atomoffset < strlen($atom_data)) { 432 $boxsmallsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 2)); 433 $boxsmalltype = substr($atom_data, $atomoffset + 2, 2); 434 $boxsmalldata = substr($atom_data, $atomoffset + 4, $boxsmallsize); 435 if ($boxsmallsize <= 1) { 436 $this->warning('Invalid QuickTime atom smallbox size "'.$boxsmallsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset)); 437 $atom_structure['data'] = null; 438 $atomoffset = strlen($atom_data); 439 break; 440 } 441 switch ($boxsmalltype) { 442 case "\x10\xB5": 443 $atom_structure['data'] = $boxsmalldata; 444 break; 445 default: 446 $this->warning('Unknown QuickTime smallbox type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxsmalltype).'" ('.trim(getid3_lib::PrintHexBytes($boxsmalltype)).') at offset '.$baseoffset); 447 $atom_structure['data'] = $atom_data; 448 break; 449 } 450 $atomoffset += (4 + $boxsmallsize); 451 } 452 } else { 453 while ($atomoffset < strlen($atom_data)) { 454 $boxsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 4)); 455 $boxtype = substr($atom_data, $atomoffset + 4, 4); 456 $boxdata = substr($atom_data, $atomoffset + 8, $boxsize - 8); 457 if ($boxsize <= 1) { 458 $this->warning('Invalid QuickTime atom box size "'.$boxsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset)); 459 $atom_structure['data'] = null; 460 $atomoffset = strlen($atom_data); 461 break; 462 } 463 $atomoffset += $boxsize; 464 465 switch ($boxtype) { 466 case 'mean': 467 case 'name': 468 $atom_structure[$boxtype] = substr($boxdata, 4); 469 break; 470 471 case 'data': 472 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($boxdata, 0, 1)); 473 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($boxdata, 1, 3)); 474 switch ($atom_structure['flags_raw']) { 475 case 0: // data flag 476 case 21: // tmpo/cpil flag 477 switch ($atomname) { 478 case 'cpil': 479 case 'hdvd': 480 case 'pcst': 481 case 'pgap': 482 // 8-bit integer (boolean) 483 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); 484 break; 485 486 case 'tmpo': 487 // 16-bit integer 488 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2)); 489 break; 490 491 case 'disk': 492 case 'trkn': 493 // binary 494 $num = getid3_lib::BigEndian2Int(substr($boxdata, 10, 2)); 495 $num_total = getid3_lib::BigEndian2Int(substr($boxdata, 12, 2)); 496 $atom_structure['data'] = empty($num) ? '' : $num; 497 $atom_structure['data'] .= empty($num_total) ? '' : '/'.$num_total; 498 break; 499 500 case 'gnre': 501 // enum 502 $GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); 503 $atom_structure['data'] = getid3_id3v1::LookupGenreName($GenreID - 1); 504 break; 505 506 case 'rtng': 507 // 8-bit integer 508 $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); 509 $atom_structure['data'] = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]); 510 break; 511 512 case 'stik': 513 // 8-bit integer (enum) 514 $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); 515 $atom_structure['data'] = $this->QuicktimeSTIKLookup($atom_structure[$atomname]); 516 break; 517 518 case 'sfID': 519 // 32-bit integer 520 $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); 521 $atom_structure['data'] = $this->QuicktimeStoreFrontCodeLookup($atom_structure[$atomname]); 522 break; 523 524 case 'egid': 525 case 'purl': 526 $atom_structure['data'] = substr($boxdata, 8); 527 break; 528 529 case 'plID': 530 // 64-bit integer 531 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 8)); 532 break; 533 534 case 'covr': 535 $atom_structure['data'] = substr($boxdata, 8); 536 // not a foolproof check, but better than nothing 537 if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) { 538 $atom_structure['image_mime'] = 'image/jpeg'; 539 } elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) { 540 $atom_structure['image_mime'] = 'image/png'; 541 } elseif (preg_match('#^GIF#', $atom_structure['data'])) { 542 $atom_structure['image_mime'] = 'image/gif'; 543 } 544 $info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_structure['data'], 'description'=>'cover'); 545 break; 546 547 case 'atID': 548 case 'cnID': 549 case 'geID': 550 case 'tves': 551 case 'tvsn': 552 default: 553 // 32-bit integer 554 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); 555 } 556 break; 557 558 case 1: // text flag 559 case 13: // image flag 560 default: 561 $atom_structure['data'] = substr($boxdata, 8); 562 if ($atomname == 'covr') { 563 // not a foolproof check, but better than nothing 564 if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) { 565 $atom_structure['image_mime'] = 'image/jpeg'; 566 } elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) { 567 $atom_structure['image_mime'] = 'image/png'; 568 } elseif (preg_match('#^GIF#', $atom_structure['data'])) { 569 $atom_structure['image_mime'] = 'image/gif'; 570 } 571 $info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_structure['data'], 'description'=>'cover'); 572 } 573 break; 574 575 } 576 break; 577 578 default: 579 $this->warning('Unknown QuickTime box type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxtype).'" ('.trim(getid3_lib::PrintHexBytes($boxtype)).') at offset '.$baseoffset); 580 $atom_structure['data'] = $atom_data; 581 582 } 583 } 584 } 585 } 586 $this->CopyToAppropriateCommentsSection($atomname, $atom_structure['data'], $atom_structure['name']); 587 break; 588 589 590 case 'play': // auto-PLAY atom 591 $atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 592 593 $info['quicktime']['autoplay'] = $atom_structure['autoplay']; 594 break; 595 596 597 case 'WLOC': // Window LOCation atom 598 $atom_structure['location_x'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); 599 $atom_structure['location_y'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); 600 break; 601 602 603 case 'LOOP': // LOOPing atom 604 case 'SelO': // play SELection Only atom 605 case 'AllF': // play ALL Frames atom 606 $atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data); 607 break; 608 609 610 case 'name': // 611 case 'MCPS': // Media Cleaner PRo 612 case '@PRM': // adobe PReMiere version 613 case '@PRQ': // adobe PRemiere Quicktime version 614 $atom_structure['data'] = $atom_data; 615 break; 616 617 618 case 'cmvd': // Compressed MooV Data atom 619 // Code by ubergeekØubergeek*tv based on information from 620 // http://developer.apple.com/quicktime/icefloe/dispatch012.html 621 $atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 622 623 $CompressedFileData = substr($atom_data, 4); 624 if ($UncompressedHeader = @gzuncompress($CompressedFileData)) { 625 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, 0, $atomHierarchy, $ParseAllPossibleAtoms); 626 } else { 627 $this->warning('Error decompressing compressed MOV atom at offset '.$atom_structure['offset']); 628 } 629 break; 630 631 632 case 'dcom': // Data COMpression atom 633 $atom_structure['compression_id'] = $atom_data; 634 $atom_structure['compression_text'] = $this->QuicktimeDCOMLookup($atom_data); 635 break; 636 637 638 case 'rdrf': // Reference movie Data ReFerence atom 639 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 640 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 641 $atom_structure['flags']['internal_data'] = (bool) ($atom_structure['flags_raw'] & 0x000001); 642 643 $atom_structure['reference_type_name'] = substr($atom_data, 4, 4); 644 $atom_structure['reference_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 645 switch ($atom_structure['reference_type_name']) { 646 case 'url ': 647 $atom_structure['url'] = $this->NoNullString(substr($atom_data, 12)); 648 break; 649 650 case 'alis': 651 $atom_structure['file_alias'] = substr($atom_data, 12); 652 break; 653 654 case 'rsrc': 655 $atom_structure['resource_alias'] = substr($atom_data, 12); 656 break; 657 658 default: 659 $atom_structure['data'] = substr($atom_data, 12); 660 break; 661 } 662 break; 663 664 665 case 'rmqu': // Reference Movie QUality atom 666 $atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data); 667 break; 668 669 670 case 'rmcs': // Reference Movie Cpu Speed atom 671 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 672 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 673 $atom_structure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 674 break; 675 676 677 case 'rmvc': // Reference Movie Version Check atom 678 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 679 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 680 $atom_structure['gestalt_selector'] = substr($atom_data, 4, 4); 681 $atom_structure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 682 $atom_structure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 683 $atom_structure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); 684 break; 685 686 687 case 'rmcd': // Reference Movie Component check atom 688 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 689 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 690 $atom_structure['component_type'] = substr($atom_data, 4, 4); 691 $atom_structure['component_subtype'] = substr($atom_data, 8, 4); 692 $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); 693 $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 694 $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); 695 $atom_structure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 4)); 696 break; 697 698 699 case 'rmdr': // Reference Movie Data Rate atom 700 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 701 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 702 $atom_structure['data_rate'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 703 704 $atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10; 705 break; 706 707 708 case 'rmla': // Reference Movie Language Atom 709 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 710 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 711 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 712 713 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); 714 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { 715 $info['comments']['language'][] = $atom_structure['language']; 716 } 717 break; 718 719 720 case 'ptv ': // Print To Video - defines a movie's full screen mode 721 // http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm 722 $atom_structure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); 723 $atom_structure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); // hardcoded: 0x0000 724 $atom_structure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x0000 725 $atom_structure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 1)); 726 $atom_structure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 7, 1)); 727 728 $atom_structure['flags']['play_on_open'] = (bool) $atom_structure['play_on_open_flag']; 729 $atom_structure['flags']['slide_show'] = (bool) $atom_structure['slide_show_flag']; 730 731 $ptv_lookup[0] = 'normal'; 732 $ptv_lookup[1] = 'double'; 733 $ptv_lookup[2] = 'half'; 734 $ptv_lookup[3] = 'full'; 735 $ptv_lookup[4] = 'current'; 736 if (isset($ptv_lookup[$atom_structure['display_size_raw']])) { 737 $atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']]; 738 } else { 739 $this->warning('unknown "ptv " display constant ('.$atom_structure['display_size_raw'].')'); 740 } 741 break; 742 743 744 case 'stsd': // Sample Table Sample Description atom 745 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 746 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 747 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 748 749 // see: https://github.com/JamesHeinrich/getID3/issues/111 750 // Some corrupt files have been known to have high bits set in the number_entries field 751 // This field shouldn't really need to be 32-bits, values stores are likely in the range 1-100000 752 // Workaround: mask off the upper byte and throw a warning if it's nonzero 753 if ($atom_structure['number_entries'] > 0x000FFFFF) { 754 if ($atom_structure['number_entries'] > 0x00FFFFFF) { 755 $this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($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)); 756 $atom_structure['number_entries'] = ($atom_structure['number_entries'] & 0x00FFFFFF); 757 } else { 758 $this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($atom_data, 4, 4), true, false).' = '.$atom_structure['number_entries'].'), probably in error. Please report this to info@getid3.org referencing bug report #111'); 759 } 760 } 761 762 $stsdEntriesDataOffset = 8; 763 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 764 $atom_structure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 4)); 765 $stsdEntriesDataOffset += 4; 766 $atom_structure['sample_description_table'][$i]['data_format'] = substr($atom_data, $stsdEntriesDataOffset, 4); 767 $stsdEntriesDataOffset += 4; 768 $atom_structure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 6)); 769 $stsdEntriesDataOffset += 6; 770 $atom_structure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 2)); 771 $stsdEntriesDataOffset += 2; 772 $atom_structure['sample_description_table'][$i]['data'] = substr($atom_data, $stsdEntriesDataOffset, ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2)); 773 $stsdEntriesDataOffset += ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2); 774 775 if (substr($atom_structure['sample_description_table'][$i]['data'], 1, 54) == 'application/octet-stream;type=com.parrot.videometadata') { 776 // special handling for apparently-malformed (TextMetaDataSampleEntry?) data for some version of Parrot drones 777 $atom_structure['sample_description_table'][$i]['parrot_frame_metadata']['mime_type'] = substr($atom_structure['sample_description_table'][$i]['data'], 1, 55); 778 $atom_structure['sample_description_table'][$i]['parrot_frame_metadata']['metadata_version'] = (int) substr($atom_structure['sample_description_table'][$i]['data'], 55, 1); 779 unset($atom_structure['sample_description_table'][$i]['data']); 780 $this->warning('incomplete/incorrect handling of "stsd" with Parrot metadata in this version of getID3() ['.$this->getid3->version().']'); 781 continue; 782 } 783 784 $atom_structure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 0, 2)); 785 $atom_structure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 2, 2)); 786 $atom_structure['sample_description_table'][$i]['encoder_vendor'] = substr($atom_structure['sample_description_table'][$i]['data'], 4, 4); 787 788 switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) { 789 790 case "\x00\x00\x00\x00": 791 // audio tracks 792 $atom_structure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 2)); 793 $atom_structure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 10, 2)); 794 $atom_structure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 2)); 795 $atom_structure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 14, 2)); 796 $atom_structure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16, 4)); 797 798 // video tracks 799 // http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap3/qtff3.html 800 $atom_structure['sample_description_table'][$i]['temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); 801 $atom_structure['sample_description_table'][$i]['spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); 802 $atom_structure['sample_description_table'][$i]['width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); 803 $atom_structure['sample_description_table'][$i]['height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); 804 $atom_structure['sample_description_table'][$i]['resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); 805 $atom_structure['sample_description_table'][$i]['resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); 806 $atom_structure['sample_description_table'][$i]['data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 4)); 807 $atom_structure['sample_description_table'][$i]['frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 36, 2)); 808 $atom_structure['sample_description_table'][$i]['compressor_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 38, 4); 809 $atom_structure['sample_description_table'][$i]['pixel_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 42, 2)); 810 $atom_structure['sample_description_table'][$i]['color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 44, 2)); 811 812 switch ($atom_structure['sample_description_table'][$i]['data_format']) { 813 case '2vuY': 814 case 'avc1': 815 case 'cvid': 816 case 'dvc ': 817 case 'dvcp': 818 case 'gif ': 819 case 'h263': 820 case 'jpeg': 821 case 'kpcd': 822 case 'mjpa': 823 case 'mjpb': 824 case 'mp4v': 825 case 'png ': 826 case 'raw ': 827 case 'rle ': 828 case 'rpza': 829 case 'smc ': 830 case 'SVQ1': 831 case 'SVQ3': 832 case 'tiff': 833 case 'v210': 834 case 'v216': 835 case 'v308': 836 case 'v408': 837 case 'v410': 838 case 'yuv2': 839 $info['fileformat'] = 'mp4'; 840 $info['video']['fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; 841 if ($this->QuicktimeVideoCodecLookup($info['video']['fourcc'])) { 842 $info['video']['fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($info['video']['fourcc']); 843 } 844 845 // https://www.getid3.org/phpBB3/viewtopic.php?t=1550 846 //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 847 if (!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['height'])) { 848 // assume that values stored here are more important than values stored in [tkhd] atom 849 $info['video']['resolution_x'] = $atom_structure['sample_description_table'][$i]['width']; 850 $info['video']['resolution_y'] = $atom_structure['sample_description_table'][$i]['height']; 851 $info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x']; 852 $info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y']; 853 } 854 break; 855 856 case 'qtvr': 857 $info['video']['dataformat'] = 'quicktimevr'; 858 break; 859 860 case 'mp4a': 861 default: 862 $info['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); 863 $info['quicktime']['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate']; 864 $info['quicktime']['audio']['channels'] = $atom_structure['sample_description_table'][$i]['audio_channels']; 865 $info['quicktime']['audio']['bit_depth'] = $atom_structure['sample_description_table'][$i]['audio_bit_depth']; 866 $info['audio']['codec'] = $info['quicktime']['audio']['codec']; 867 $info['audio']['sample_rate'] = $info['quicktime']['audio']['sample_rate']; 868 $info['audio']['channels'] = $info['quicktime']['audio']['channels']; 869 $info['audio']['bits_per_sample'] = $info['quicktime']['audio']['bit_depth']; 870 switch ($atom_structure['sample_description_table'][$i]['data_format']) { 871 case 'raw ': // PCM 872 case 'alac': // Apple Lossless Audio Codec 873 case 'sowt': // signed/two's complement (Little Endian) 874 case 'twos': // signed/two's complement (Big Endian) 875 case 'in24': // 24-bit Integer 876 case 'in32': // 32-bit Integer 877 case 'fl32': // 32-bit Floating Point 878 case 'fl64': // 64-bit Floating Point 879 $info['audio']['lossless'] = $info['quicktime']['audio']['lossless'] = true; 880 $info['audio']['bitrate'] = $info['quicktime']['audio']['bitrate'] = $info['audio']['channels'] * $info['audio']['bits_per_sample'] * $info['audio']['sample_rate']; 881 break; 882 default: 883 $info['audio']['lossless'] = false; 884 break; 885 } 886 break; 887 } 888 break; 889 890 default: 891 switch ($atom_structure['sample_description_table'][$i]['data_format']) { 892 case 'mp4s': 893 $info['fileformat'] = 'mp4'; 894 break; 895 896 default: 897 // video atom 898 $atom_structure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); 899 $atom_structure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); 900 $atom_structure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); 901 $atom_structure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); 902 $atom_structure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20, 4)); 903 $atom_structure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); 904 $atom_structure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); 905 $atom_structure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 2)); 906 $atom_structure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 34, 1)); 907 $atom_structure['sample_description_table'][$i]['video_encoder_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']); 908 $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66, 2)); 909 $atom_structure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68, 2)); 910 911 $atom_structure['sample_description_table'][$i]['video_pixel_color_type'] = (($atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color'); 912 $atom_structure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']); 913 914 if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') { 915 $info['quicktime']['video']['codec_fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; 916 $info['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); 917 $info['quicktime']['video']['codec'] = (($atom_structure['sample_description_table'][$i]['video_encoder_name_len'] > 0) ? $atom_structure['sample_description_table'][$i]['video_encoder_name'] : $atom_structure['sample_description_table'][$i]['data_format']); 918 $info['quicktime']['video']['color_depth'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth']; 919 $info['quicktime']['video']['color_depth_name'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_name']; 920 921 $info['video']['codec'] = $info['quicktime']['video']['codec']; 922 $info['video']['bits_per_sample'] = $info['quicktime']['video']['color_depth']; 923 } 924 $info['video']['lossless'] = false; 925 $info['video']['pixel_aspect_ratio'] = (float) 1; 926 break; 927 } 928 break; 929 } 930 switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) { 931 case 'mp4a': 932 $info['audio']['dataformat'] = 'mp4'; 933 $info['quicktime']['audio']['codec'] = 'mp4'; 934 break; 935 936 case '3ivx': 937 case '3iv1': 938 case '3iv2': 939 $info['video']['dataformat'] = '3ivx'; 940 break; 941 942 case 'xvid': 943 $info['video']['dataformat'] = 'xvid'; 944 break; 945 946 case 'mp4v': 947 $info['video']['dataformat'] = 'mpeg4'; 948 break; 949 950 case 'divx': 951 case 'div1': 952 case 'div2': 953 case 'div3': 954 case 'div4': 955 case 'div5': 956 case 'div6': 957 $info['video']['dataformat'] = 'divx'; 958 break; 959 960 default: 961 // do nothing 962 break; 963 } 964 unset($atom_structure['sample_description_table'][$i]['data']); 965 } 966 break; 967 968 969 case 'stts': // Sample Table Time-to-Sample atom 970 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 971 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 972 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 973 $sttsEntriesDataOffset = 8; 974 //$FrameRateCalculatorArray = array(); 975 $frames_count = 0; 976 977 $max_stts_entries_to_scan = ($info['php_memory_limit'] ? min(floor($this->getid3->memory_limit / 10000), $atom_structure['number_entries']) : $atom_structure['number_entries']); 978 if ($max_stts_entries_to_scan < $atom_structure['number_entries']) { 979 $this->warning('QuickTime atom "stts" has '.$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).'); 980 } 981 for ($i = 0; $i < $max_stts_entries_to_scan; $i++) { 982 $atom_structure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); 983 $sttsEntriesDataOffset += 4; 984 $atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); 985 $sttsEntriesDataOffset += 4; 986 987 $frames_count += $atom_structure['time_to_sample_table'][$i]['sample_count']; 988 989 // THIS SECTION REPLACED WITH CODE IN "stbl" ATOM 990 //if (!empty($info['quicktime']['time_scale']) && ($atom_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) { 991 // $stts_new_framerate = $info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration']; 992 // if ($stts_new_framerate <= 60) { 993 // // some atoms have durations of "1" giving a very large framerate, which probably is not right 994 // $info['video']['frame_rate'] = max($info['video']['frame_rate'], $stts_new_framerate); 995 // } 996 //} 997 // 998 //$FrameRateCalculatorArray[($info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count']; 999 } 1000 $info['quicktime']['stts_framecount'][] = $frames_count; 1001 //$sttsFramesTotal = 0; 1002 //$sttsSecondsTotal = 0; 1003 //foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) { 1004 // if (($frames_per_second > 60) || ($frames_per_second < 1)) { 1005 // // not video FPS information, probably audio information 1006 // $sttsFramesTotal = 0; 1007 // $sttsSecondsTotal = 0; 1008 // break; 1009 // } 1010 // $sttsFramesTotal += $frame_count; 1011 // $sttsSecondsTotal += $frame_count / $frames_per_second; 1012 //} 1013 //if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) { 1014 // if (($sttsFramesTotal / $sttsSecondsTotal) > $info['video']['frame_rate']) { 1015 // $info['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal; 1016 // } 1017 //} 1018 break; 1019 1020 1021 case 'stss': // Sample Table Sync Sample (key frames) atom 1022 if ($ParseAllPossibleAtoms) { 1023 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1024 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1025 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1026 $stssEntriesDataOffset = 8; 1027 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1028 $atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stssEntriesDataOffset, 4)); 1029 $stssEntriesDataOffset += 4; 1030 } 1031 } 1032 break; 1033 1034 1035 case 'stsc': // Sample Table Sample-to-Chunk atom 1036 if ($ParseAllPossibleAtoms) { 1037 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1038 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1039 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1040 $stscEntriesDataOffset = 8; 1041 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1042 $atom_structure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); 1043 $stscEntriesDataOffset += 4; 1044 $atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); 1045 $stscEntriesDataOffset += 4; 1046 $atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); 1047 $stscEntriesDataOffset += 4; 1048 } 1049 } 1050 break; 1051 1052 1053 case 'stsz': // Sample Table SiZe atom 1054 if ($ParseAllPossibleAtoms) { 1055 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1056 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1057 $atom_structure['sample_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1058 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1059 $stszEntriesDataOffset = 12; 1060 if ($atom_structure['sample_size'] == 0) { 1061 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1062 $atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4)); 1063 $stszEntriesDataOffset += 4; 1064 } 1065 } 1066 } 1067 break; 1068 1069 1070 case 'stco': // Sample Table Chunk Offset atom 1071 // if (true) { 1072 if ($ParseAllPossibleAtoms) { 1073 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1074 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1075 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1076 $stcoEntriesDataOffset = 8; 1077 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1078 $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4)); 1079 $stcoEntriesDataOffset += 4; 1080 } 1081 } 1082 break; 1083 1084 1085 case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files) 1086 if ($ParseAllPossibleAtoms) { 1087 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1088 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1089 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1090 $stcoEntriesDataOffset = 8; 1091 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1092 $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8)); 1093 $stcoEntriesDataOffset += 8; 1094 } 1095 } 1096 break; 1097 1098 1099 case 'dref': // Data REFerence atom 1100 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1101 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1102 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1103 $drefDataOffset = 8; 1104 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1105 $atom_structure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 4)); 1106 $drefDataOffset += 4; 1107 $atom_structure['data_references'][$i]['type'] = substr($atom_data, $drefDataOffset, 4); 1108 $drefDataOffset += 4; 1109 $atom_structure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 1)); 1110 $drefDataOffset += 1; 1111 $atom_structure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 3)); // hardcoded: 0x0000 1112 $drefDataOffset += 3; 1113 $atom_structure['data_references'][$i]['data'] = substr($atom_data, $drefDataOffset, ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3)); 1114 $drefDataOffset += ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3); 1115 1116 $atom_structure['data_references'][$i]['flags']['self_reference'] = (bool) ($atom_structure['data_references'][$i]['flags_raw'] & 0x001); 1117 } 1118 break; 1119 1120 1121 case 'gmin': // base Media INformation atom 1122 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1123 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1124 $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 1125 $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); 1126 $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); 1127 $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); 1128 $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 2)); 1129 $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); 1130 break; 1131 1132 1133 case 'smhd': // Sound Media information HeaDer atom 1134 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1135 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1136 $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 1137 $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); 1138 break; 1139 1140 1141 case 'vmhd': // Video Media information HeaDer atom 1142 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1143 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1144 $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 1145 $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); 1146 $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); 1147 $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); 1148 1149 $atom_structure['flags']['no_lean_ahead'] = (bool) ($atom_structure['flags_raw'] & 0x001); 1150 break; 1151 1152 1153 case 'hdlr': // HanDLeR reference atom 1154 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1155 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1156 $atom_structure['component_type'] = substr($atom_data, 4, 4); 1157 $atom_structure['component_subtype'] = substr($atom_data, 8, 4); 1158 $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); 1159 $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1160 $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); 1161 $atom_structure['component_name'] = $this->MaybePascal2String(substr($atom_data, 24)); 1162 1163 if (($atom_structure['component_subtype'] == 'STpn') && ($atom_structure['component_manufacturer'] == 'zzzz')) { 1164 $info['video']['dataformat'] = 'quicktimevr'; 1165 } 1166 break; 1167 1168 1169 case 'mdhd': // MeDia HeaDer atom 1170 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1171 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1172 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1173 $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1174 $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1175 $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1176 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 2)); 1177 $atom_structure['quality'] = getid3_lib::BigEndian2Int(substr($atom_data, 22, 2)); 1178 1179 if ($atom_structure['time_scale'] == 0) { 1180 $this->error('Corrupt Quicktime file: mdhd.time_scale == zero'); 1181 return false; 1182 } 1183 $info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']); 1184 1185 $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); 1186 $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); 1187 $atom_structure['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; 1188 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); 1189 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { 1190 $info['comments']['language'][] = $atom_structure['language']; 1191 } 1192 $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; 1193 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; 1194 break; 1195 1196 1197 case 'pnot': // Preview atom 1198 $atom_structure['modification_date'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // "standard Macintosh format" 1199 $atom_structure['version_number'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x00 1200 $atom_structure['atom_type'] = substr($atom_data, 6, 4); // usually: 'PICT' 1201 $atom_structure['atom_index'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); // usually: 0x01 1202 1203 $atom_structure['modification_date_unix'] = getid3_lib::DateMac2Unix($atom_structure['modification_date']); 1204 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modification_date_unix']; 1205 break; 1206 1207 1208 case 'crgn': // Clipping ReGioN atom 1209 $atom_structure['region_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); // The Region size, Region boundary box, 1210 $atom_structure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 8)); // and Clipping region data fields 1211 $atom_structure['clipping_data'] = substr($atom_data, 10); // constitute a QuickDraw region. 1212 break; 1213 1214 1215 case 'load': // track LOAD settings atom 1216 $atom_structure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 1217 $atom_structure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1218 $atom_structure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1219 $atom_structure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1220 1221 $atom_structure['default_hints']['double_buffer'] = (bool) ($atom_structure['default_hints_raw'] & 0x0020); 1222 $atom_structure['default_hints']['high_quality'] = (bool) ($atom_structure['default_hints_raw'] & 0x0100); 1223 break; 1224 1225 1226 case 'tmcd': // TiMe CoDe atom 1227 case 'chap': // CHAPter list atom 1228 case 'sync': // SYNChronization atom 1229 case 'scpt': // tranSCriPT atom 1230 case 'ssrc': // non-primary SouRCe atom 1231 for ($i = 0; $i < strlen($atom_data); $i += 4) { 1232 @$atom_structure['track_id'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); 1233 } 1234 break; 1235 1236 1237 case 'elst': // Edit LiST atom 1238 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1239 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1240 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1241 for ($i = 0; $i < $atom_structure['number_entries']; $i++ ) { 1242 $atom_structure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 0, 4)); 1243 $atom_structure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 4, 4)); 1244 $atom_structure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 8 + ($i * 12) + 8, 4)); 1245 } 1246 break; 1247 1248 1249 case 'kmat': // compressed MATte atom 1250 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1251 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1252 $atom_structure['matte_data_raw'] = substr($atom_data, 4); 1253 break; 1254 1255 1256 case 'ctab': // Color TABle atom 1257 $atom_structure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // hardcoded: 0x00000000 1258 $atom_structure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x8000 1259 $atom_structure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)) + 1; 1260 for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) { 1261 $atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 0, 2)); 1262 $atom_structure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 2, 2)); 1263 $atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 4, 2)); 1264 $atom_structure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 6, 2)); 1265 } 1266 break; 1267 1268 1269 case 'mvhd': // MoVie HeaDer atom 1270 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1271 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1272 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1273 $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1274 $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1275 $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1276 $atom_structure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 20, 4)); 1277 $atom_structure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 24, 2)); 1278 $atom_structure['reserved'] = substr($atom_data, 26, 10); 1279 $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 36, 4)); 1280 $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); 1281 $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 44, 4)); 1282 $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4)); 1283 $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); 1284 $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 56, 4)); 1285 $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4)); 1286 $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); 1287 $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4)); 1288 $atom_structure['preview_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 72, 4)); 1289 $atom_structure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 76, 4)); 1290 $atom_structure['poster_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 80, 4)); 1291 $atom_structure['selection_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 84, 4)); 1292 $atom_structure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 88, 4)); 1293 $atom_structure['current_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 92, 4)); 1294 $atom_structure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 96, 4)); 1295 1296 if ($atom_structure['time_scale'] == 0) { 1297 $this->error('Corrupt Quicktime file: mvhd.time_scale == zero'); 1298 return false; 1299 } 1300 $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); 1301 $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); 1302 $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; 1303 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; 1304 $info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']); 1305 $info['quicktime']['display_scale'] = $atom_structure['matrix_a']; 1306 $info['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; 1307 break; 1308 1309 1310 case 'tkhd': // TracK HeaDer atom 1311 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1312 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1313 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1314 $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1315 $atom_structure['trackid'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1316 $atom_structure['reserved1'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1317 $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); 1318 $atom_structure['reserved2'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 8)); 1319 $atom_structure['layer'] = getid3_lib::BigEndian2Int(substr($atom_data, 32, 2)); 1320 $atom_structure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atom_data, 34, 2)); 1321 $atom_structure['volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 36, 2)); 1322 $atom_structure['reserved3'] = getid3_lib::BigEndian2Int(substr($atom_data, 38, 2)); 1323 // http://developer.apple.com/library/mac/#documentation/QuickTime/RM/MovieBasics/MTEditing/K-Chapter/11MatrixFunctions.html 1324 // http://developer.apple.com/library/mac/#documentation/QuickTime/qtff/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-18737 1325 $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); 1326 $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 44, 4)); 1327 $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 48, 4)); 1328 $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); 1329 $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 56, 4)); 1330 $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 60, 4)); 1331 $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); 1332 $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 68, 4)); 1333 $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 72, 4)); 1334 $atom_structure['width'] = getid3_lib::FixedPoint16_16(substr($atom_data, 76, 4)); 1335 $atom_structure['height'] = getid3_lib::FixedPoint16_16(substr($atom_data, 80, 4)); 1336 $atom_structure['flags']['enabled'] = (bool) ($atom_structure['flags_raw'] & 0x0001); 1337 $atom_structure['flags']['in_movie'] = (bool) ($atom_structure['flags_raw'] & 0x0002); 1338 $atom_structure['flags']['in_preview'] = (bool) ($atom_structure['flags_raw'] & 0x0004); 1339 $atom_structure['flags']['in_poster'] = (bool) ($atom_structure['flags_raw'] & 0x0008); 1340 $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); 1341 $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); 1342 $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; 1343 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; 1344 1345 // https://www.getid3.org/phpBB3/viewtopic.php?t=1908 1346 // attempt to compute rotation from matrix values 1347 // 2017-Dec-28: uncertain if 90/270 are correctly oriented; values returned by FixedPoint16_16 should perhaps be -1 instead of 65535(?) 1348 $matrixRotation = 0; 1349 switch ($atom_structure['matrix_a'].':'.$atom_structure['matrix_b'].':'.$atom_structure['matrix_c'].':'.$atom_structure['matrix_d']) { 1350 case '1:0:0:1': $matrixRotation = 0; break; 1351 case '0:1:65535:0': $matrixRotation = 90; break; 1352 case '65535:0:0:65535': $matrixRotation = 180; break; 1353 case '0:65535:1:0': $matrixRotation = 270; break; 1354 default: break; 1355 } 1356 1357 // https://www.getid3.org/phpBB3/viewtopic.php?t=2468 1358 // The rotation matrix can appear in the Quicktime file multiple times, at least once for each track, 1359 // and it's possible that only the video track (or, in theory, one of the video tracks) is flagged as 1360 // rotated while the other tracks (e.g. audio) is tagged as rotation=0 (behavior noted on iPhone 8 Plus) 1361 // The correct solution would be to check if the TrackID associated with the rotation matrix is indeed 1362 // a video track (or the main video track) and only set the rotation then, but since information about 1363 // what track is what is not trivially there to be examined, the lazy solution is to set the rotation 1364 // if it is found to be nonzero, on the assumption that tracks that don't need it will have rotation set 1365 // to zero (and be effectively ignored) and the video track will have rotation set correctly, which will 1366 // either be zero and automatically correct, or nonzero and be set correctly. 1367 if (!isset($info['video']['rotate']) || (($info['video']['rotate'] == 0) && ($matrixRotation > 0))) { 1368 $info['quicktime']['video']['rotate'] = $info['video']['rotate'] = $matrixRotation; 1369 } 1370 1371 if ($atom_structure['flags']['enabled'] == 1) { 1372 if (!isset($info['video']['resolution_x']) || !isset($info['video']['resolution_y'])) { 1373 $info['video']['resolution_x'] = $atom_structure['width']; 1374 $info['video']['resolution_y'] = $atom_structure['height']; 1375 } 1376 $info['video']['resolution_x'] = max($info['video']['resolution_x'], $atom_structure['width']); 1377 $info['video']['resolution_y'] = max($info['video']['resolution_y'], $atom_structure['height']); 1378 $info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x']; 1379 $info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y']; 1380 } else { 1381 // see: https://www.getid3.org/phpBB3/viewtopic.php?t=1295 1382 //if (isset($info['video']['resolution_x'])) { unset($info['video']['resolution_x']); } 1383 //if (isset($info['video']['resolution_y'])) { unset($info['video']['resolution_y']); } 1384 //if (isset($info['quicktime']['video'])) { unset($info['quicktime']['video']); } 1385 } 1386 break; 1387 1388 1389 case 'iods': // Initial Object DeScriptor atom 1390 // http://www.koders.com/c/fid1FAB3E762903DC482D8A246D4A4BF9F28E049594.aspx?s=windows.h 1391 // http://libquicktime.sourcearchive.com/documentation/1.0.2plus-pdebian/iods_8c-source.html 1392 $offset = 0; 1393 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1394 $offset += 1; 1395 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 3)); 1396 $offset += 3; 1397 $atom_structure['mp4_iod_tag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1398 $offset += 1; 1399 $atom_structure['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); 1400 //$offset already adjusted by quicktime_read_mp4_descr_length() 1401 $atom_structure['object_descriptor_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); 1402 $offset += 2; 1403 $atom_structure['od_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1404 $offset += 1; 1405 $atom_structure['scene_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1406 $offset += 1; 1407 $atom_structure['audio_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1408 $offset += 1; 1409 $atom_structure['video_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1410 $offset += 1; 1411 $atom_structure['graphics_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1412 $offset += 1; 1413 1414 $atom_structure['num_iods_tracks'] = ($atom_structure['length'] - 7) / 6; // 6 bytes would only be right if all tracks use 1-byte length fields 1415 for ($i = 0; $i < $atom_structure['num_iods_tracks']; $i++) { 1416 $atom_structure['track'][$i]['ES_ID_IncTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1417 $offset += 1; 1418 $atom_structure['track'][$i]['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); 1419 //$offset already adjusted by quicktime_read_mp4_descr_length() 1420 $atom_structure['track'][$i]['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4)); 1421 $offset += 4; 1422 } 1423 1424 $atom_structure['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']); 1425 $atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']); 1426 break; 1427 1428 case 'ftyp': // FileTYPe (?) atom (for MP4 it seems) 1429 $atom_structure['signature'] = substr($atom_data, 0, 4); 1430 $atom_structure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1431 $atom_structure['fourcc'] = substr($atom_data, 8, 4); 1432 break; 1433 1434 case 'mdat': // Media DATa atom 1435 // 'mdat' contains the actual data for the audio/video, possibly also subtitles 1436 1437 /* 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 */ 1438 1439 // first, skip any 'wide' padding, and second 'mdat' header (with specified size of zero?) 1440 $mdat_offset = 0; 1441 while (true) { 1442 if (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x08".'wide') { 1443 $mdat_offset += 8; 1444 } elseif (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x00".'mdat') { 1445 $mdat_offset += 8; 1446 } else { 1447 break; 1448 } 1449 } 1450 if (substr($atom_data, $mdat_offset, 4) == 'GPRO') { 1451 $GOPRO_chunk_length = getid3_lib::LittleEndian2Int(substr($atom_data, $mdat_offset + 4, 4)); 1452 $GOPRO_offset = 8; 1453 $atom_structure['GPRO']['raw'] = substr($atom_data, $mdat_offset + 8, $GOPRO_chunk_length - 8); 1454 $atom_structure['GPRO']['firmware'] = substr($atom_structure['GPRO']['raw'], 0, 15); 1455 $atom_structure['GPRO']['unknown1'] = substr($atom_structure['GPRO']['raw'], 15, 16); 1456 $atom_structure['GPRO']['unknown2'] = substr($atom_structure['GPRO']['raw'], 31, 32); 1457 $atom_structure['GPRO']['unknown3'] = substr($atom_structure['GPRO']['raw'], 63, 16); 1458 $atom_structure['GPRO']['camera'] = substr($atom_structure['GPRO']['raw'], 79, 32); 1459 $info['quicktime']['camera']['model'] = rtrim($atom_structure['GPRO']['camera'], "\x00"); 1460 } 1461 1462 // check to see if it looks like chapter titles, in the form of unterminated strings with a leading 16-bit size field 1463 while (($mdat_offset < (strlen($atom_data) - 8)) 1464 && ($chapter_string_length = getid3_lib::BigEndian2Int(substr($atom_data, $mdat_offset, 2))) 1465 && ($chapter_string_length < 1000) 1466 && ($chapter_string_length <= (strlen($atom_data) - $mdat_offset - 2)) 1467 && preg_match('#^([\x00-\xFF]{2})([\x20-\xFF]+)$#', substr($atom_data, $mdat_offset, $chapter_string_length + 2), $chapter_matches)) { 1468 list($dummy, $chapter_string_length_hex, $chapter_string) = $chapter_matches; 1469 $mdat_offset += (2 + $chapter_string_length); 1470 @$info['quicktime']['comments']['chapters'][] = $chapter_string; 1471 1472 // "encd" atom specifies encoding. In theory could be anything, almost always UTF-8, but may be UTF-16 with BOM (not currently handled) 1473 if (substr($atom_data, $mdat_offset, 12) == "\x00\x00\x00\x0C\x65\x6E\x63\x64\x00\x00\x01\x00") { // UTF-8 1474 $mdat_offset += 12; 1475 } 1476 } 1477 1478 if (($atomsize > 8) && (!isset($info['avdataend_tmp']) || ($info['quicktime'][$atomname]['size'] > ($info['avdataend_tmp'] - $info['avdataoffset'])))) { 1479 1480 $info['avdataoffset'] = $atom_structure['offset'] + 8; // $info['quicktime'][$atomname]['offset'] + 8; 1481 $OldAVDataEnd = $info['avdataend']; 1482 $info['avdataend'] = $atom_structure['offset'] + $atom_structure['size']; // $info['quicktime'][$atomname]['offset'] + $info['quicktime'][$atomname]['size']; 1483 1484 $getid3_temp = new getID3(); 1485 $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); 1486 $getid3_temp->info['avdataoffset'] = $info['avdataoffset']; 1487 $getid3_temp->info['avdataend'] = $info['avdataend']; 1488 $getid3_mp3 = new getid3_mp3($getid3_temp); 1489 if ($getid3_mp3->MPEGaudioHeaderValid($getid3_mp3->MPEGaudioHeaderDecode($this->fread(4)))) { 1490 $getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false); 1491 if (!empty($getid3_temp->info['warning'])) { 1492 foreach ($getid3_temp->info['warning'] as $value) { 1493 $this->warning($value); 1494 } 1495 } 1496 if (!empty($getid3_temp->info['mpeg'])) { 1497 $info['mpeg'] = $getid3_temp->info['mpeg']; 1498 if (isset($info['mpeg']['audio'])) { 1499 $info['audio']['dataformat'] = 'mp3'; 1500 $info['audio']['codec'] = (!empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' :'mp3'))); 1501 $info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate']; 1502 $info['audio']['channels'] = $info['mpeg']['audio']['channels']; 1503 $info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate']; 1504 $info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']); 1505 $info['bitrate'] = $info['audio']['bitrate']; 1506 } 1507 } 1508 } 1509 unset($getid3_mp3, $getid3_temp); 1510 $info['avdataend'] = $OldAVDataEnd; 1511 unset($OldAVDataEnd); 1512 1513 } 1514 1515 unset($mdat_offset, $chapter_string_length, $chapter_matches); 1516 break; 1517 1518 case 'free': // FREE space atom 1519 case 'skip': // SKIP atom 1520 case 'wide': // 64-bit expansion placeholder atom 1521 // 'free', 'skip' and 'wide' are just padding, contains no useful data at all 1522 1523 // When writing QuickTime files, it is sometimes necessary to update an atom's size. 1524 // It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom 1525 // is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime 1526 // puts an 8-byte placeholder atom before any atoms it may have to update the size of. 1527 // In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the 1528 // placeholder atom can be overwritten to obtain the necessary 8 extra bytes. 1529 // The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ). 1530 break; 1531 1532 1533 case 'nsav': // NoSAVe atom 1534 // http://developer.apple.com/technotes/tn/tn2038.html 1535 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 1536 break; 1537 1538 case 'ctyp': // Controller TYPe atom (seen on QTVR) 1539 // http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt 1540 // some controller names are: 1541 // 0x00 + 'std' for linear movie 1542 // 'none' for no controls 1543 $atom_structure['ctyp'] = substr($atom_data, 0, 4); 1544 $info['quicktime']['controller'] = $atom_structure['ctyp']; 1545 switch ($atom_structure['ctyp']) { 1546 case 'qtvr': 1547 $info['video']['dataformat'] = 'quicktimevr'; 1548 break; 1549 } 1550 break; 1551 1552 case 'pano': // PANOrama track (seen on QTVR) 1553 $atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 1554 break; 1555 1556 case 'hint': // HINT track 1557 case 'hinf': // 1558 case 'hinv': // 1559 case 'hnti': // 1560 $info['quicktime']['hinting'] = true; 1561 break; 1562 1563 case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR) 1564 for ($i = 0; $i < ($atom_structure['size'] - 8); $i += 4) { 1565 $atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); 1566 } 1567 break; 1568 1569 1570 // Observed-but-not-handled atom types are just listed here to prevent warnings being generated 1571 case 'FXTC': // Something to do with Adobe After Effects (?) 1572 case 'PrmA': 1573 case 'code': 1574 case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html 1575 case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html 1576 // tapt seems to be used to compute the video size [https://www.getid3.org/phpBB3/viewtopic.php?t=838] 1577 // * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html 1578 // * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html 1579 case 'ctts':// STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1580 case 'cslg':// STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1581 case 'sdtp':// STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1582 case 'stps':// STPartialSyncSampleAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1583 //$atom_structure['data'] = $atom_data; 1584 break; 1585 1586 case "\xA9".'xyz': // GPS latitude+longitude+altitude 1587 $atom_structure['data'] = $atom_data; 1588 if (preg_match('#([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)?/$#i', $atom_data, $matches)) { 1589 @list($all, $latitude, $longitude, $altitude) = $matches; 1590 $info['quicktime']['comments']['gps_latitude'][] = floatval($latitude); 1591 $info['quicktime']['comments']['gps_longitude'][] = floatval($longitude); 1592 if (!empty($altitude)) { 1593 $info['quicktime']['comments']['gps_altitude'][] = floatval($altitude); 1594 } 1595 } else { 1596 $this->warning('QuickTime atom "©xyz" data does not match expected data pattern at offset '.$baseoffset.'. Please report as getID3() bug.'); 1597 } 1598 break; 1599 1600 case 'NCDT': 1601 // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html 1602 // Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100 1603 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms); 1604 break; 1605 case 'NCTH': // Nikon Camera THumbnail image 1606 case 'NCVW': // Nikon Camera preVieW image 1607 // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html 1608 if (preg_match('/^\xFF\xD8\xFF/', $atom_data)) { 1609 $atom_structure['data'] = $atom_data; 1610 $atom_structure['image_mime'] = 'image/jpeg'; 1611 $atom_structure['description'] = (($atomname == 'NCTH') ? 'Nikon Camera Thumbnail Image' : (($atomname == 'NCVW') ? 'Nikon Camera Preview Image' : 'Nikon preview image')); 1612 $info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_data, 'description'=>$atom_structure['description']); 1613 } 1614 break; 1615 case 'NCTG': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG 1616 $atom_structure['data'] = $this->QuicktimeParseNikonNCTG($atom_data); 1617 break; 1618 case 'NCHD': // Nikon:MakerNoteVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html 1619 case 'NCDB': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html 1620 case 'CNCV': // Canon:CompressorVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Canon.html 1621 $atom_structure['data'] = $atom_data; 1622 break; 1623 1624 case "\x00\x00\x00\x00": 1625 // some kind of metacontainer, may contain a big data dump such as: 1626 // 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 1627 // http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt 1628 1629 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1630 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1631 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom(substr($atom_data, 4), $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 1632 //$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 1633 break; 1634 1635 case 'meta': // METAdata atom 1636 // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html 1637 1638 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1639 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1640 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 1641 break; 1642 1643 case 'data': // metaDATA atom 1644 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 1645 // seems to be 2 bytes language code (ASCII), 2 bytes unknown (set to 0x10B5 in sample I have), remainder is useful data 1646 $atom_structure['language'] = substr($atom_data, 4 + 0, 2); 1647 $atom_structure['unknown'] = getid3_lib::BigEndian2Int(substr($atom_data, 4 + 2, 2)); 1648 $atom_structure['data'] = substr($atom_data, 4 + 4); 1649 $atom_structure['key_name'] = @$info['quicktime']['temp_meta_key_names'][$metaDATAkey++]; 1650 1651 if ($atom_structure['key_name'] && $atom_structure['data']) { 1652 @$info['quicktime']['comments'][str_replace('com.apple.quicktime.', '', $atom_structure['key_name'])][] = $atom_structure['data']; 1653 } 1654 break; 1655 1656 case 'keys': // KEYS that may be present in the metadata atom. 1657 // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html#//apple_ref/doc/uid/TP40000939-CH1-SW21 1658 // The metadata item keys atom holds a list of the metadata keys that may be present in the metadata atom. 1659 // 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". 1660 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1661 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1662 $atom_structure['entry_count'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1663 $keys_atom_offset = 8; 1664 for ($i = 1; $i <= $atom_structure['entry_count']; $i++) { 1665 $atom_structure['keys'][$i]['key_size'] = getid3_lib::BigEndian2Int(substr($atom_data, $keys_atom_offset + 0, 4)); 1666 $atom_structure['keys'][$i]['key_namespace'] = substr($atom_data, $keys_atom_offset + 4, 4); 1667 $atom_structure['keys'][$i]['key_value'] = substr($atom_data, $keys_atom_offset + 8, $atom_structure['keys'][$i]['key_size'] - 8); 1668 $keys_atom_offset += $atom_structure['keys'][$i]['key_size']; // key_size includes the 4+4 bytes for key_size and key_namespace 1669 1670 $info['quicktime']['temp_meta_key_names'][$i] = $atom_structure['keys'][$i]['key_value']; 1671 } 1672 break; 1673 1674 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) 1675 //Get the UUID ID in first 16 bytes 1676 $uuid_bytes_read = unpack('H8time_low/H4time_mid/H4time_hi/H4clock_seq_hi/H12clock_seq_low', substr($atom_data, 0, 16)); 1677 $atom_structure['uuid_field_id'] = implode('-', $uuid_bytes_read); 1678 1679 switch ($atom_structure['uuid_field_id']) { // http://fileformats.archiveteam.org/wiki/Boxes/atoms_format#UUID_boxes 1680 1681 case '0537cdab-9d0c-4431-a72a-fa561f2a113e': // Exif - http://fileformats.archiveteam.org/wiki/Exif 1682 case '2c4c0100-8504-40b9-a03e-562148d6dfeb': // Photoshop Image Resources - http://fileformats.archiveteam.org/wiki/Photoshop_Image_Resources 1683 case '33c7a4d2-b81d-4723-a0ba-f1a3e097ad38': // IPTC-IIM - http://fileformats.archiveteam.org/wiki/IPTC-IIM 1684 case '8974dbce-7be7-4c51-84f9-7148f9882554': // PIFF Track Encryption Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format 1685 case '96a9f1f1-dc98-402d-a7ae-d68e34451809': // GeoJP2 World File Box - http://fileformats.archiveteam.org/wiki/GeoJP2 1686 case 'a2394f52-5a9b-4f14-a244-6c427c648df4': // PIFF Sample Encryption Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format 1687 case 'b14bf8bd-083d-4b43-a5ae-8cd7d5a6ce03': // GeoJP2 GeoTIFF Box - http://fileformats.archiveteam.org/wiki/GeoJP2 1688 case 'd08a4f18-10f3-4a82-b6c8-32d8aba183d3': // PIFF Protection System Specific Header Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format 1689 $this->warning('Unhandled (but recognized) "uuid" atom identified by "'.$atom_structure['uuid_field_id'].'" at offset '.$atom_structure['offset'].' ('.strlen($atom_data).' bytes)'); 1690 break; 1691 1692 case 'be7acfcb-97a9-42e8-9c71-999491e3afac': // XMP data (in XML format) 1693 $atom_structure['xml'] = substr($atom_data, 16, strlen($atom_data) - 16 - 8); // 16 bytes for UUID, 8 bytes header(?) 1694 break; 1695 1696 case 'efe1589a-bb77-49ef-8095-27759eb1dc6f': // 360fly data 1697 /* 360fly code in this block by Paul Lewis 2019-Oct-31 */ 1698 /* Sensor Timestamps need to be calculated using the recordings base time at ['quicktime']['moov']['subatoms'][0]['creation_time_unix']. */ 1699 $atom_structure['title'] = '360Fly Sensor Data'; 1700 1701 //Get the UUID HEADER data 1702 $uuid_bytes_read = unpack('vheader_size/vheader_version/vtimescale/vhardware_version/x/x/x/x/x/x/x/x/x/x/x/x/x/x/x/x/', substr($atom_data, 16, 32)); 1703 $atom_structure['uuid_header'] = $uuid_bytes_read; 1704 1705 $start_byte = 48; 1706 $atom_SENSOR_data = substr($atom_data, $start_byte); 1707 $atom_structure['sensor_data']['data_type'] = array( 1708 'fusion_count' => 0, // ID 250 1709 'fusion_data' => array(), 1710 'accel_count' => 0, // ID 1 1711 'accel_data' => array(), 1712 'gyro_count' => 0, // ID 2 1713 'gyro_data' => array(), 1714 'magno_count' => 0, // ID 3 1715 'magno_data' => array(), 1716 'gps_count' => 0, // ID 5 1717 'gps_data' => array(), 1718 'rotation_count' => 0, // ID 6 1719 'rotation_data' => array(), 1720 'unknown_count' => 0, // ID ?? 1721 'unknown_data' => array(), 1722 'debug_list' => '', // Used to debug variables stored as comma delimited strings 1723 ); 1724 $debug_structure['debug_items'] = array(); 1725 // Can start loop here to decode all sensor data in 32 Byte chunks: 1726 foreach (str_split($atom_SENSOR_data, 32) as $sensor_key => $sensor_data) { 1727 // This gets me a data_type code to work out what data is in the next 31 bytes. 1728 $sensor_data_type = substr($sensor_data, 0, 1); 1729 $sensor_data_content = substr($sensor_data, 1); 1730 $uuid_bytes_read = unpack('C*', $sensor_data_type); 1731 $sensor_data_array = array(); 1732 switch ($uuid_bytes_read[1]) { 1733 case 250: 1734 $atom_structure['sensor_data']['data_type']['fusion_count']++; 1735 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); 1736 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1737 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1738 $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; 1739 $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; 1740 $sensor_data_array['roll'] = $uuid_bytes_read['roll']; 1741 array_push($atom_structure['sensor_data']['data_type']['fusion_data'], $sensor_data_array); 1742 break; 1743 case 1: 1744 $atom_structure['sensor_data']['data_type']['accel_count']++; 1745 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); 1746 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1747 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1748 $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; 1749 $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; 1750 $sensor_data_array['roll'] = $uuid_bytes_read['roll']; 1751 array_push($atom_structure['sensor_data']['data_type']['accel_data'], $sensor_data_array); 1752 break; 1753 case 2: 1754 $atom_structure['sensor_data']['data_type']['gyro_count']++; 1755 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); 1756 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1757 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1758 $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; 1759 $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; 1760 $sensor_data_array['roll'] = $uuid_bytes_read['roll']; 1761 array_push($atom_structure['sensor_data']['data_type']['gyro_data'], $sensor_data_array); 1762 break; 1763 case 3: 1764 $atom_structure['sensor_data']['data_type']['magno_count']++; 1765 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gmagx/Gmagy/Gmagz/x*', $sensor_data_content); 1766 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1767 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1768 $sensor_data_array['magx'] = $uuid_bytes_read['magx']; 1769 $sensor_data_array['magy'] = $uuid_bytes_read['magy']; 1770 $sensor_data_array['magz'] = $uuid_bytes_read['magz']; 1771 array_push($atom_structure['sensor_data']['data_type']['magno_data'], $sensor_data_array); 1772 break; 1773 case 5: 1774 $atom_structure['sensor_data']['data_type']['gps_count']++; 1775 $uuid_bytes_read = unpack('cmode/Jtimestamp/Glat/Glon/Galt/Gspeed/nbearing/nacc/x*', $sensor_data_content); 1776 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1777 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1778 $sensor_data_array['lat'] = $uuid_bytes_read['lat']; 1779 $sensor_data_array['lon'] = $uuid_bytes_read['lon']; 1780 $sensor_data_array['alt'] = $uuid_bytes_read['alt']; 1781 $sensor_data_array['speed'] = $uuid_bytes_read['speed']; 1782 $sensor_data_array['bearing'] = $uuid_bytes_read['bearing']; 1783 $sensor_data_array['acc'] = $uuid_bytes_read['acc']; 1784 array_push($atom_structure['sensor_data']['data_type']['gps_data'], $sensor_data_array); 1785 //array_push($debug_structure['debug_items'], $uuid_bytes_read['timestamp']); 1786 break; 1787 case 6: 1788 $atom_structure['sensor_data']['data_type']['rotation_count']++; 1789 $uuid_bytes_read = unpack('cmode/Jtimestamp/Grotx/Groty/Grotz/x*', $sensor_data_content); 1790 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1791 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1792 $sensor_data_array['rotx'] = $uuid_bytes_read['rotx']; 1793 $sensor_data_array['roty'] = $uuid_bytes_read['roty']; 1794 $sensor_data_array['rotz'] = $uuid_bytes_read['rotz']; 1795 array_push($atom_structure['sensor_data']['data_type']['rotation_data'], $sensor_data_array); 1796 break; 1797 default: 1798 $atom_structure['sensor_data']['data_type']['unknown_count']++; 1799 break; 1800 } 1801 } 1802 //if (isset($debug_structure['debug_items']) && count($debug_structure['debug_items']) > 0) { 1803 // $atom_structure['sensor_data']['data_type']['debug_list'] = implode(',', $debug_structure['debug_items']); 1804 //} else { 1805 $atom_structure['sensor_data']['data_type']['debug_list'] = 'No debug items in list!'; 1806 //} 1807 break; 1808 1809 default: 1810 $this->warning('Unhandled "uuid" atom identified by "'.$atom_structure['uuid_field_id'].'" at offset '.$atom_structure['offset'].' ('.strlen($atom_data).' bytes)'); 1811 } 1812 break; 1813 1814 case 'gps ': 1815 // https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730 1816 // The 'gps ' contains simple look up table made up of 8byte rows, that point to the 'free' atoms that contains the actual GPS data. 1817 // The first row is version/metadata/notsure, I skip that. 1818 // The following rows consist of 4byte address (absolute) and 4byte size (0x1000), these point to the GPS data in the file. 1819 1820 $GPS_rowsize = 8; // 4 bytes for offset, 4 bytes for size 1821 if (strlen($atom_data) > 0) { 1822 if ((strlen($atom_data) % $GPS_rowsize) == 0) { 1823 $atom_structure['gps_toc'] = array(); 1824 foreach (str_split($atom_data, $GPS_rowsize) as $counter => $datapair) { 1825 $atom_structure['gps_toc'][] = unpack('Noffset/Nsize', substr($atom_data, $counter * $GPS_rowsize, $GPS_rowsize)); 1826 } 1827 1828 $atom_structure['gps_entries'] = array(); 1829 $previous_offset = $this->ftell(); 1830 foreach ($atom_structure['gps_toc'] as $key => $gps_pointer) { 1831 if ($key == 0) { 1832 // "The first row is version/metadata/notsure, I skip that." 1833 continue; 1834 } 1835 $this->fseek($gps_pointer['offset']); 1836 $GPS_free_data = $this->fread($gps_pointer['size']); 1837 1838 /* 1839 // 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 1840 1841 // https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730 1842 // The structure of the GPS data atom (the 'free' atoms mentioned above) is following: 1843 // hour,minute,second,year,month,day,active,latitude_b,longitude_b,unknown2,latitude,longitude,speed = struct.unpack_from('<IIIIIIssssfff',data, 48) 1844 // For those unfamiliar with python struct: 1845 // I = int 1846 // s = is string (size 1, in this case) 1847 // f = float 1848 1849 //$atom_structure['gps_entries'][$key] = unpack('Vhour/Vminute/Vsecond/Vyear/Vmonth/Vday/Vactive/Vlatitude_b/Vlongitude_b/Vunknown2/flatitude/flongitude/fspeed', substr($GPS_free_data, 48)); 1850 */ 1851 1852 // $GPRMC,081836,A,3751.65,S,14507.36,E,000.0,360.0,130998,011.3,E*62 1853 // $GPRMC,183731,A,3907.482,N,12102.436,W,000.0,360.0,080301,015.5,E*67 1854 // $GPRMC,002454,A,3553.5295,N,13938.6570,E,0.0,43.1,180700,7.1,W,A*3F 1855 // $GPRMC,094347.000,A,5342.0061,N,00737.9908,W,0.01,156.75,140217,,,A*7D 1856 if (preg_match('#\\$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)) { 1857 $GPS_this_GPRMC = array(); 1858 $GPS_this_GPRMC_raw = array(); 1859 list( 1860 $GPS_this_GPRMC_raw['gprmc'], 1861 $GPS_this_GPRMC_raw['timestamp'], 1862 $GPS_this_GPRMC_raw['status'], 1863 $GPS_this_GPRMC_raw['latitude'], 1864 $GPS_this_GPRMC_raw['latitude_direction'], 1865 $GPS_this_GPRMC_raw['longitude'], 1866 $GPS_this_GPRMC_raw['longitude_direction'], 1867 $GPS_this_GPRMC_raw['knots'], 1868 $GPS_this_GPRMC_raw['angle'], 1869 $GPS_this_GPRMC_raw['datestamp'], 1870 $GPS_this_GPRMC_raw['variation'], 1871 $GPS_this_GPRMC_raw['variation_direction'], 1872 $dummy, 1873 $GPS_this_GPRMC_raw['checksum'], 1874 ) = $matches; 1875 $GPS_this_GPRMC['raw'] = $GPS_this_GPRMC_raw; 1876 1877 $hour = substr($GPS_this_GPRMC['raw']['timestamp'], 0, 2); 1878 $minute = substr($GPS_this_GPRMC['raw']['timestamp'], 2, 2); 1879 $second = substr($GPS_this_GPRMC['raw']['timestamp'], 4, 2); 1880 $ms = substr($GPS_this_GPRMC['raw']['timestamp'], 6); // may contain decimal seconds 1881 $day = substr($GPS_this_GPRMC['raw']['datestamp'], 0, 2); 1882 $month = substr($GPS_this_GPRMC['raw']['datestamp'], 2, 2); 1883 $year = (int) substr($GPS_this_GPRMC['raw']['datestamp'], 4, 2); 1884 $year += (($year > 90) ? 1900 : 2000); // complete lack of foresight: datestamps are stored with 2-digit years, take best guess 1885 $GPS_this_GPRMC['timestamp'] = $year.'-'.$month.'-'.$day.' '.$hour.':'.$minute.':'.$second.$ms; 1886 1887 $GPS_this_GPRMC['active'] = ($GPS_this_GPRMC['raw']['status'] == 'A'); // A=Active,V=Void 1888 1889 foreach (array('latitude','longitude') as $latlon) { 1890 preg_match('#^([0-9]{1,3})([0-9]{2}\\.[0-9]+)$#', $GPS_this_GPRMC['raw'][$latlon], $matches); 1891 list($dummy, $deg, $min) = $matches; 1892 $GPS_this_GPRMC[$latlon] = $deg + ($min / 60); 1893 } 1894 $GPS_this_GPRMC['latitude'] *= (($GPS_this_GPRMC['raw']['latitude_direction'] == 'S') ? -1 : 1); 1895 $GPS_this_GPRMC['longitude'] *= (($GPS_this_GPRMC['raw']['longitude_direction'] == 'W') ? -1 : 1); 1896 1897 $GPS_this_GPRMC['heading'] = $GPS_this_GPRMC['raw']['angle']; 1898 $GPS_this_GPRMC['speed_knot'] = $GPS_this_GPRMC['raw']['knots']; 1899 $GPS_this_GPRMC['speed_kmh'] = $GPS_this_GPRMC['raw']['knots'] * 1.852; 1900 if ($GPS_this_GPRMC['raw']['variation']) { 1901 $GPS_this_GPRMC['variation'] = $GPS_this_GPRMC['raw']['variation']; 1902 $GPS_this_GPRMC['variation'] *= (($GPS_this_GPRMC['raw']['variation_direction'] == 'W') ? -1 : 1); 1903 } 1904 1905 $atom_structure['gps_entries'][$key] = $GPS_this_GPRMC; 1906 1907 @$info['quicktime']['gps_track'][$GPS_this_GPRMC['timestamp']] = array( 1908 'latitude' => (float) $GPS_this_GPRMC['latitude'], 1909 'longitude' => (float) $GPS_this_GPRMC['longitude'], 1910 'speed_kmh' => (float) $GPS_this_GPRMC['speed_kmh'], 1911 'heading' => (float) $GPS_this_GPRMC['heading'], 1912 ); 1913 1914 } else { 1915 $this->warning('Unhandled GPS format in "free" atom at offset '.$gps_pointer['offset']); 1916 } 1917 } 1918 $this->fseek($previous_offset); 1919 1920 } else { 1921 $this->warning('QuickTime atom "'.$atomname.'" is not mod-8 bytes long ('.$atomsize.' bytes) at offset '.$baseoffset); 1922 } 1923 } else { 1924 $this->warning('QuickTime atom "'.$atomname.'" is zero bytes long at offset '.$baseoffset); 1925 } 1926 break; 1927 1928 case 'loci':// 3GP location (El Loco) 1929 $loffset = 0; 1930 $info['quicktime']['comments']['gps_flags'] = array( getid3_lib::BigEndian2Int(substr($atom_data, 0, 4))); 1931 $info['quicktime']['comments']['gps_lang'] = array( getid3_lib::BigEndian2Int(substr($atom_data, 4, 2))); 1932 $info['quicktime']['comments']['gps_location'] = array( $this->LociString(substr($atom_data, 6), $loffset)); 1933 $loci_data = substr($atom_data, 6 + $loffset); 1934 $info['quicktime']['comments']['gps_role'] = array( getid3_lib::BigEndian2Int(substr($loci_data, 0, 1))); 1935 $info['quicktime']['comments']['gps_longitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 1, 4))); 1936 $info['quicktime']['comments']['gps_latitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 5, 4))); 1937 $info['quicktime']['comments']['gps_altitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 9, 4))); 1938 $info['quicktime']['comments']['gps_body'] = array( $this->LociString(substr($loci_data, 13 ), $loffset)); 1939 $info['quicktime']['comments']['gps_notes'] = array( $this->LociString(substr($loci_data, 13 + $loffset), $loffset)); 1940 break; 1941 1942 case 'chpl': // CHaPter List 1943 // https://www.adobe.com/content/dam/Adobe/en/devnet/flv/pdfs/video_file_format_spec_v10.pdf 1944 $chpl_version = getid3_lib::BigEndian2Int(substr($atom_data, 4, 1)); // Expected to be 0 1945 $chpl_flags = getid3_lib::BigEndian2Int(substr($atom_data, 5, 3)); // Reserved, set to 0 1946 $chpl_count = getid3_lib::BigEndian2Int(substr($atom_data, 8, 1)); 1947 $chpl_offset = 9; 1948 for ($i = 0; $i < $chpl_count; $i++) { 1949 if (($chpl_offset + 9) >= strlen($atom_data)) { 1950 $this->warning('QuickTime chapter '.$i.' extends beyond end of "chpl" atom'); 1951 break; 1952 } 1953 $info['quicktime']['chapters'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($atom_data, $chpl_offset, 8)) / 10000000; // timestamps are stored as 100-nanosecond units 1954 $chpl_offset += 8; 1955 $chpl_title_size = getid3_lib::BigEndian2Int(substr($atom_data, $chpl_offset, 1)); 1956 $chpl_offset += 1; 1957 $info['quicktime']['chapters'][$i]['title'] = substr($atom_data, $chpl_offset, $chpl_title_size); 1958 $chpl_offset += $chpl_title_size; 1959 } 1960 break; 1961 1962 case 'FIRM': // FIRMware version(?), seen on GoPro Hero4 1963 $info['quicktime']['camera']['firmware'] = $atom_data; 1964 break; 1965 1966 case 'CAME': // FIRMware version(?), seen on GoPro Hero4 1967 $info['quicktime']['camera']['serial_hash'] = unpack('H*', $atom_data); 1968 break; 1969 1970 case 'dscp': 1971 case 'rcif': 1972 // https://www.getid3.org/phpBB3/viewtopic.php?t=1908 1973 if (substr($atom_data, 0, 7) == "\x00\x00\x00\x00\x55\xC4".'{') { 1974 if ($json_decoded = @json_decode(rtrim(substr($atom_data, 6), "\x00"), true)) { 1975 $info['quicktime']['camera'][$atomname] = $json_decoded; 1976 if (($atomname == 'rcif') && isset($info['quicktime']['camera']['rcif']['wxcamera']['rotate'])) { 1977 $info['video']['rotate'] = $info['quicktime']['video']['rotate'] = $info['quicktime']['camera']['rcif']['wxcamera']['rotate']; 1978 } 1979 } else { 1980 $this->warning('Failed to JSON decode atom "'.$atomname.'"'); 1981 $atom_structure['data'] = $atom_data; 1982 } 1983 unset($json_decoded); 1984 } else { 1985 $this->warning('Expecting 55 C4 7B at start of atom "'.$atomname.'", found '.getid3_lib::PrintHexBytes(substr($atom_data, 4, 3)).' instead'); 1986 $atom_structure['data'] = $atom_data; 1987 } 1988 break; 1989 1990 case 'frea': 1991 // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea 1992 // may contain "scra" (PreviewImage) and/or "thma" (ThumbnailImage) 1993 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms); 1994 break; 1995 case 'tima': // subatom to "frea" 1996 // no idea what this does, the one sample file I've seen has a value of 0x00000027 1997 $atom_structure['data'] = $atom_data; 1998 break; 1999 case 'ver ': // subatom to "frea" 2000 // some kind of version number, the one sample file I've seen has a value of "3.00.073" 2001 $atom_structure['data'] = $atom_data; 2002 break; 2003 case 'thma': // subatom to "frea" -- "ThumbnailImage" 2004 // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea 2005 if (strlen($atom_data) > 0) { 2006 $info['quicktime']['comments']['picture'][] = array('data'=>$atom_data, 'image_mime'=>'image/jpeg', 'description'=>'ThumbnailImage'); 2007 } 2008 break; 2009 case 'scra': // subatom to "frea" -- "PreviewImage" 2010 // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea 2011 // but the only sample file I've seen has no useful data here 2012 if (strlen($atom_data) > 0) { 2013 $info['quicktime']['comments']['picture'][] = array('data'=>$atom_data, 'image_mime'=>'image/jpeg', 'description'=>'PreviewImage'); 2014 } 2015 break; 2016 2017 case 'cdsc': // timed metadata reference 2018 // A QuickTime movie can contain none, one, or several timed metadata tracks. Timed metadata tracks can refer to multiple tracks. 2019 // Metadata tracks are linked to the tracks they describe using a track-reference of type 'cdsc'. The metadata track holds the 'cdsc' track reference. 2020 $atom_structure['track_number'] = getid3_lib::BigEndian2Int($atom_data); 2021 break; 2022 2023 default: 2024 $this->warning('Unknown QuickTime atom type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" ('.trim(getid3_lib::PrintHexBytes($atomname)).'), '.$atomsize.' bytes at offset '.$baseoffset); 2025 $atom_structure['data'] = $atom_data; 2026 break; 2027 } 2028 } 2029 array_pop($atomHierarchy); 2030 return $atom_structure; 2031 } 2032 2033 /** 2034 * @param string $atom_data 2035 * @param int $baseoffset 2036 * @param array $atomHierarchy 2037 * @param bool $ParseAllPossibleAtoms 2038 * 2039 * @return array|false 2040 */ 2041 public function QuicktimeParseContainerAtom($atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { 2042 $atom_structure = false; 2043 $subatomoffset = 0; 2044 $subatomcounter = 0; 2045 if ((strlen($atom_data) == 4) && (getid3_lib::BigEndian2Int($atom_data) == 0x00000000)) { 2046 return false; 2047 } 2048 while ($subatomoffset < strlen($atom_data)) { 2049 $subatomsize = getid3_lib::BigEndian2Int(substr($atom_data, $subatomoffset + 0, 4)); 2050 $subatomname = substr($atom_data, $subatomoffset + 4, 4); 2051 $subatomdata = substr($atom_data, $subatomoffset + 8, $subatomsize - 8); 2052 if ($subatomsize == 0) { 2053 // Furthermore, for historical reasons the list of atoms is optionally 2054 // terminated by a 32-bit integer set to 0. If you are writing a program 2055 // to read user data atoms, you should allow for the terminating 0. 2056 if (strlen($atom_data) > 12) { 2057 $subatomoffset += 4; 2058 continue; 2059 } 2060 return $atom_structure; 2061 } 2062 if (strlen($subatomdata) < ($subatomsize - 8)) { 2063 // we don't have enough data to decode the subatom. 2064 // this may be because we are refusing to parse large subatoms, or it may be because this atom had its size set too large 2065 // so we passed in the start of a following atom incorrectly? 2066 return $atom_structure; 2067 } 2068 $atom_structure[$subatomcounter++] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms); 2069 $subatomoffset += $subatomsize; 2070 } 2071 return $atom_structure; 2072 } 2073 2074 /** 2075 * @param string $data 2076 * @param int $offset 2077 * 2078 * @return int 2079 */ 2080 public function quicktime_read_mp4_descr_length($data, &$offset) { 2081 // http://libquicktime.sourcearchive.com/documentation/2:1.0.2plus-pdebian-2build1/esds_8c-source.html 2082 $num_bytes = 0; 2083 $length = 0; 2084 do { 2085 $b = ord(substr($data, $offset++, 1)); 2086 $length = ($length << 7) | ($b & 0x7F); 2087 } while (($b & 0x80) && ($num_bytes++ < 4)); 2088 return $length; 2089 } 2090 2091 /** 2092 * @param int $languageid 2093 * 2094 * @return string 2095 */ 2096 public function QuicktimeLanguageLookup($languageid) { 2097 // http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-34353 2098 static $QuicktimeLanguageLookup = array(); 2099 if (empty($QuicktimeLanguageLookup)) { 2100 $QuicktimeLanguageLookup[0] = 'English'; 2101 $QuicktimeLanguageLookup[1] = 'French'; 2102 $QuicktimeLanguageLookup[2] = 'German'; 2103 $QuicktimeLanguageLookup[3] = 'Italian'; 2104 $QuicktimeLanguageLookup[4] = 'Dutch'; 2105 $QuicktimeLanguageLookup[5] = 'Swedish'; 2106 $QuicktimeLanguageLookup[6] = 'Spanish'; 2107 $QuicktimeLanguageLookup[7] = 'Danish'; 2108 $QuicktimeLanguageLookup[8] = 'Portuguese'; 2109 $QuicktimeLanguageLookup[9] = 'Norwegian'; 2110 $QuicktimeLanguageLookup[10] = 'Hebrew'; 2111 $QuicktimeLanguageLookup[11] = 'Japanese'; 2112 $QuicktimeLanguageLookup[12] = 'Arabic'; 2113 $QuicktimeLanguageLookup[13] = 'Finnish'; 2114 $QuicktimeLanguageLookup[14] = 'Greek'; 2115 $QuicktimeLanguageLookup[15] = 'Icelandic'; 2116 $QuicktimeLanguageLookup[16] = 'Maltese'; 2117 $QuicktimeLanguageLookup[17] = 'Turkish'; 2118 $QuicktimeLanguageLookup[18] = 'Croatian'; 2119 $QuicktimeLanguageLookup[19] = 'Chinese (Traditional)'; 2120 $QuicktimeLanguageLookup[20] = 'Urdu'; 2121 $QuicktimeLanguageLookup[21] = 'Hindi'; 2122 $QuicktimeLanguageLookup[22] = 'Thai'; 2123 $QuicktimeLanguageLookup[23] = 'Korean'; 2124 $QuicktimeLanguageLookup[24] = 'Lithuanian'; 2125 $QuicktimeLanguageLookup[25] = 'Polish'; 2126 $QuicktimeLanguageLookup[26] = 'Hungarian'; 2127 $QuicktimeLanguageLookup[27] = 'Estonian'; 2128 $QuicktimeLanguageLookup[28] = 'Lettish'; 2129 $QuicktimeLanguageLookup[28] = 'Latvian'; 2130 $QuicktimeLanguageLookup[29] = 'Saamisk'; 2131 $QuicktimeLanguageLookup[29] = 'Lappish'; 2132 $QuicktimeLanguageLookup[30] = 'Faeroese'; 2133 $QuicktimeLanguageLookup[31] = 'Farsi'; 2134 $QuicktimeLanguageLookup[31] = 'Persian'; 2135 $QuicktimeLanguageLookup[32] = 'Russian'; 2136 $QuicktimeLanguageLookup[33] = 'Chinese (Simplified)'; 2137 $QuicktimeLanguageLookup[34] = 'Flemish'; 2138 $QuicktimeLanguageLookup[35] = 'Irish'; 2139 $QuicktimeLanguageLookup[36] = 'Albanian'; 2140 $QuicktimeLanguageLookup[37] = 'Romanian'; 2141 $QuicktimeLanguageLookup[38] = 'Czech'; 2142 $QuicktimeLanguageLookup[39] = 'Slovak'; 2143 $QuicktimeLanguageLookup[40] = 'Slovenian'; 2144 $QuicktimeLanguageLookup[41] = 'Yiddish'; 2145 $QuicktimeLanguageLookup[42] = 'Serbian'; 2146 $QuicktimeLanguageLookup[43] = 'Macedonian'; 2147 $QuicktimeLanguageLookup[44] = 'Bulgarian'; 2148 $QuicktimeLanguageLookup[45] = 'Ukrainian'; 2149 $QuicktimeLanguageLookup[46] = 'Byelorussian'; 2150 $QuicktimeLanguageLookup[47] = 'Uzbek'; 2151 $QuicktimeLanguageLookup[48] = 'Kazakh'; 2152 $QuicktimeLanguageLookup[49] = 'Azerbaijani'; 2153 $QuicktimeLanguageLookup[50] = 'AzerbaijanAr'; 2154 $QuicktimeLanguageLookup[51] = 'Armenian'; 2155 $QuicktimeLanguageLookup[52] = 'Georgian'; 2156 $QuicktimeLanguageLookup[53] = 'Moldavian'; 2157 $QuicktimeLanguageLookup[54] = 'Kirghiz'; 2158 $QuicktimeLanguageLookup[55] = 'Tajiki'; 2159 $QuicktimeLanguageLookup[56] = 'Turkmen'; 2160 $QuicktimeLanguageLookup[57] = 'Mongolian'; 2161 $QuicktimeLanguageLookup[58] = 'MongolianCyr'; 2162 $QuicktimeLanguageLookup[59] = 'Pashto'; 2163 $QuicktimeLanguageLookup[60] = 'Kurdish'; 2164 $QuicktimeLanguageLookup[61] = 'Kashmiri'; 2165 $QuicktimeLanguageLookup[62] = 'Sindhi'; 2166 $QuicktimeLanguageLookup[63] = 'Tibetan'; 2167 $QuicktimeLanguageLookup[64] = 'Nepali'; 2168 $QuicktimeLanguageLookup[65] = 'Sanskrit'; 2169 $QuicktimeLanguageLookup[66] = 'Marathi'; 2170 $QuicktimeLanguageLookup[67] = 'Bengali'; 2171 $QuicktimeLanguageLookup[68] = 'Assamese'; 2172 $QuicktimeLanguageLookup[69] = 'Gujarati'; 2173 $QuicktimeLanguageLookup[70] = 'Punjabi'; 2174 $QuicktimeLanguageLookup[71] = 'Oriya'; 2175 $QuicktimeLanguageLookup[72] = 'Malayalam'; 2176 $QuicktimeLanguageLookup[73] = 'Kannada'; 2177 $QuicktimeLanguageLookup[74] = 'Tamil'; 2178 $QuicktimeLanguageLookup[75] = 'Telugu'; 2179 $QuicktimeLanguageLookup[76] = 'Sinhalese'; 2180 $QuicktimeLanguageLookup[77] = 'Burmese'; 2181 $QuicktimeLanguageLookup[78] = 'Khmer'; 2182 $QuicktimeLanguageLookup[79] = 'Lao'; 2183 $QuicktimeLanguageLookup[80] = 'Vietnamese'; 2184 $QuicktimeLanguageLookup[81] = 'Indonesian'; 2185 $QuicktimeLanguageLookup[82] = 'Tagalog'; 2186 $QuicktimeLanguageLookup[83] = 'MalayRoman'; 2187 $QuicktimeLanguageLookup[84] = 'MalayArabic'; 2188 $QuicktimeLanguageLookup[85] = 'Amharic'; 2189 $QuicktimeLanguageLookup[86] = 'Tigrinya'; 2190 $QuicktimeLanguageLookup[87] = 'Galla'; 2191 $QuicktimeLanguageLookup[87] = 'Oromo'; 2192 $QuicktimeLanguageLookup[88] = 'Somali'; 2193 $QuicktimeLanguageLookup[89] = 'Swahili'; 2194 $QuicktimeLanguageLookup[90] = 'Ruanda'; 2195 $QuicktimeLanguageLookup[91] = 'Rundi'; 2196 $QuicktimeLanguageLookup[92] = 'Chewa'; 2197 $QuicktimeLanguageLookup[93] = 'Malagasy'; 2198 $QuicktimeLanguageLookup[94] = 'Esperanto'; 2199 $QuicktimeLanguageLookup[128] = 'Welsh'; 2200 $QuicktimeLanguageLookup[129] = 'Basque'; 2201 $QuicktimeLanguageLookup[130] = 'Catalan'; 2202 $QuicktimeLanguageLookup[131] = 'Latin'; 2203 $QuicktimeLanguageLookup[132] = 'Quechua'; 2204 $QuicktimeLanguageLookup[133] = 'Guarani'; 2205 $QuicktimeLanguageLookup[134] = 'Aymara'; 2206 $QuicktimeLanguageLookup[135] = 'Tatar'; 2207 $QuicktimeLanguageLookup[136] = 'Uighur'; 2208 $QuicktimeLanguageLookup[137] = 'Dzongkha'; 2209 $QuicktimeLanguageLookup[138] = 'JavaneseRom'; 2210 $QuicktimeLanguageLookup[32767] = 'Unspecified'; 2211 } 2212 if (($languageid > 138) && ($languageid < 32767)) { 2213 /* 2214 ISO Language Codes - http://www.loc.gov/standards/iso639-2/php/code_list.php 2215 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. 2216 The packing algorithm must map each of the three characters, which are always lowercase, into a 5-bit integer and then concatenate 2217 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. 2218 2219 One algorithm for performing this packing is to treat each ISO character as a 16-bit integer. Subtract 0x60 from the first character 2220 and multiply by 2^10 (0x400), subtract 0x60 from the second character and multiply by 2^5 (0x20), subtract 0x60 from the third character, 2221 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 2222 significant bits and the most significant bit set to zero. 2223 */ 2224 $iso_language_id = ''; 2225 $iso_language_id .= chr((($languageid & 0x7C00) >> 10) + 0x60); 2226 $iso_language_id .= chr((($languageid & 0x03E0) >> 5) + 0x60); 2227 $iso_language_id .= chr((($languageid & 0x001F) >> 0) + 0x60); 2228 $QuicktimeLanguageLookup[$languageid] = getid3_id3v2::LanguageLookup($iso_language_id); 2229 } 2230 return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid'); 2231 } 2232 2233 /** 2234 * @param string $codecid 2235 * 2236 * @return string 2237 */ 2238 public function QuicktimeVideoCodecLookup($codecid) { 2239 static $QuicktimeVideoCodecLookup = array(); 2240 if (empty($QuicktimeVideoCodecLookup)) { 2241 $QuicktimeVideoCodecLookup['.SGI'] = 'SGI'; 2242 $QuicktimeVideoCodecLookup['3IV1'] = '3ivx MPEG-4 v1'; 2243 $QuicktimeVideoCodecLookup['3IV2'] = '3ivx MPEG-4 v2'; 2244 $QuicktimeVideoCodecLookup['3IVX'] = '3ivx MPEG-4'; 2245 $QuicktimeVideoCodecLookup['8BPS'] = 'Planar RGB'; 2246 $QuicktimeVideoCodecLookup['avc1'] = 'H.264/MPEG-4 AVC'; 2247 $QuicktimeVideoCodecLookup['avr '] = 'AVR-JPEG'; 2248 $QuicktimeVideoCodecLookup['b16g'] = '16Gray'; 2249 $QuicktimeVideoCodecLookup['b32a'] = '32AlphaGray'; 2250 $QuicktimeVideoCodecLookup['b48r'] = '48RGB'; 2251 $QuicktimeVideoCodecLookup['b64a'] = '64ARGB'; 2252 $QuicktimeVideoCodecLookup['base'] = 'Base'; 2253 $QuicktimeVideoCodecLookup['clou'] = 'Cloud'; 2254 $QuicktimeVideoCodecLookup['cmyk'] = 'CMYK'; 2255 $QuicktimeVideoCodecLookup['cvid'] = 'Cinepak'; 2256 $QuicktimeVideoCodecLookup['dmb1'] = 'OpenDML JPEG'; 2257 $QuicktimeVideoCodecLookup['dvc '] = 'DVC-NTSC'; 2258 $QuicktimeVideoCodecLookup['dvcp'] = 'DVC-PAL'; 2259 $QuicktimeVideoCodecLookup['dvpn'] = 'DVCPro-NTSC'; 2260 $QuicktimeVideoCodecLookup['dvpp'] = 'DVCPro-PAL'; 2261 $QuicktimeVideoCodecLookup['fire'] = 'Fire'; 2262 $QuicktimeVideoCodecLookup['flic'] = 'FLC'; 2263 $QuicktimeVideoCodecLookup['gif '] = 'GIF'; 2264 $QuicktimeVideoCodecLookup['h261'] = 'H261'; 2265 $QuicktimeVideoCodecLookup['h263'] = 'H263'; 2266 $QuicktimeVideoCodecLookup['IV41'] = 'Indeo4'; 2267 $QuicktimeVideoCodecLookup['jpeg'] = 'JPEG'; 2268 $QuicktimeVideoCodecLookup['kpcd'] = 'PhotoCD'; 2269 $QuicktimeVideoCodecLookup['mjpa'] = 'Motion JPEG-A'; 2270 $QuicktimeVideoCodecLookup['mjpb'] = 'Motion JPEG-B'; 2271 $QuicktimeVideoCodecLookup['msvc'] = 'Microsoft Video1'; 2272 $QuicktimeVideoCodecLookup['myuv'] = 'MPEG YUV420'; 2273 $QuicktimeVideoCodecLookup['path'] = 'Vector'; 2274 $QuicktimeVideoCodecLookup['png '] = 'PNG'; 2275 $QuicktimeVideoCodecLookup['PNTG'] = 'MacPaint'; 2276 $QuicktimeVideoCodecLookup['qdgx'] = 'QuickDrawGX'; 2277 $QuicktimeVideoCodecLookup['qdrw'] = 'QuickDraw'; 2278 $QuicktimeVideoCodecLookup['raw '] = 'RAW'; 2279 $QuicktimeVideoCodecLookup['ripl'] = 'WaterRipple'; 2280 $QuicktimeVideoCodecLookup['rpza'] = 'Video'; 2281 $QuicktimeVideoCodecLookup['smc '] = 'Graphics'; 2282 $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 1'; 2283 $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 3'; 2284 $QuicktimeVideoCodecLookup['syv9'] = 'Sorenson YUV9'; 2285 $QuicktimeVideoCodecLookup['tga '] = 'Targa'; 2286 $QuicktimeVideoCodecLookup['tiff'] = 'TIFF'; 2287 $QuicktimeVideoCodecLookup['WRAW'] = 'Windows RAW'; 2288 $QuicktimeVideoCodecLookup['WRLE'] = 'BMP'; 2289 $QuicktimeVideoCodecLookup['y420'] = 'YUV420'; 2290 $QuicktimeVideoCodecLookup['yuv2'] = 'ComponentVideo'; 2291 $QuicktimeVideoCodecLookup['yuvs'] = 'ComponentVideoUnsigned'; 2292 $QuicktimeVideoCodecLookup['yuvu'] = 'ComponentVideoSigned'; 2293 } 2294 return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : ''); 2295 } 2296 2297 /** 2298 * @param string $codecid 2299 * 2300 * @return mixed|string 2301 */ 2302 public function QuicktimeAudioCodecLookup($codecid) { 2303 static $QuicktimeAudioCodecLookup = array(); 2304 if (empty($QuicktimeAudioCodecLookup)) { 2305 $QuicktimeAudioCodecLookup['.mp3'] = 'Fraunhofer MPEG Layer-III alias'; 2306 $QuicktimeAudioCodecLookup['aac '] = 'ISO/IEC 14496-3 AAC'; 2307 $QuicktimeAudioCodecLookup['agsm'] = 'Apple GSM 10:1'; 2308 $QuicktimeAudioCodecLookup['alac'] = 'Apple Lossless Audio Codec'; 2309 $QuicktimeAudioCodecLookup['alaw'] = 'A-law 2:1'; 2310 $QuicktimeAudioCodecLookup['conv'] = 'Sample Format'; 2311 $QuicktimeAudioCodecLookup['dvca'] = 'DV'; 2312 $QuicktimeAudioCodecLookup['dvi '] = 'DV 4:1'; 2313 $QuicktimeAudioCodecLookup['eqal'] = 'Frequency Equalizer'; 2314 $QuicktimeAudioCodecLookup['fl32'] = '32-bit Floating Point'; 2315 $QuicktimeAudioCodecLookup['fl64'] = '64-bit Floating Point'; 2316 $QuicktimeAudioCodecLookup['ima4'] = 'Interactive Multimedia Association 4:1'; 2317 $QuicktimeAudioCodecLookup['in24'] = '24-bit Integer'; 2318 $QuicktimeAudioCodecLookup['in32'] = '32-bit Integer'; 2319 $QuicktimeAudioCodecLookup['lpc '] = 'LPC 23:1'; 2320 $QuicktimeAudioCodecLookup['MAC3'] = 'Macintosh Audio Compression/Expansion (MACE) 3:1'; 2321 $QuicktimeAudioCodecLookup['MAC6'] = 'Macintosh Audio Compression/Expansion (MACE) 6:1'; 2322 $QuicktimeAudioCodecLookup['mixb'] = '8-bit Mixer'; 2323 $QuicktimeAudioCodecLookup['mixw'] = '16-bit Mixer'; 2324 $QuicktimeAudioCodecLookup['mp4a'] = 'ISO/IEC 14496-3 AAC'; 2325 $QuicktimeAudioCodecLookup['MS'."\x00\x02"] = 'Microsoft ADPCM'; 2326 $QuicktimeAudioCodecLookup['MS'."\x00\x11"] = 'DV IMA'; 2327 $QuicktimeAudioCodecLookup['MS'."\x00\x55"] = 'Fraunhofer MPEG Layer III'; 2328 $QuicktimeAudioCodecLookup['NONE'] = 'No Encoding'; 2329 $QuicktimeAudioCodecLookup['Qclp'] = 'Qualcomm PureVoice'; 2330 $QuicktimeAudioCodecLookup['QDM2'] = 'QDesign Music 2'; 2331 $QuicktimeAudioCodecLookup['QDMC'] = 'QDesign Music 1'; 2332 $QuicktimeAudioCodecLookup['ratb'] = '8-bit Rate'; 2333 $QuicktimeAudioCodecLookup['ratw'] = '16-bit Rate'; 2334 $QuicktimeAudioCodecLookup['raw '] = 'raw PCM'; 2335 $QuicktimeAudioCodecLookup['sour'] = 'Sound Source'; 2336 $QuicktimeAudioCodecLookup['sowt'] = 'signed/two\'s complement (Little Endian)'; 2337 $QuicktimeAudioCodecLookup['str1'] = 'Iomega MPEG layer II'; 2338 $QuicktimeAudioCodecLookup['str2'] = 'Iomega MPEG *layer II'; 2339 $QuicktimeAudioCodecLookup['str3'] = 'Iomega MPEG **layer II'; 2340 $QuicktimeAudioCodecLookup['str4'] = 'Iomega MPEG ***layer II'; 2341 $QuicktimeAudioCodecLookup['twos'] = 'signed/two\'s complement (Big Endian)'; 2342 $QuicktimeAudioCodecLookup['ulaw'] = 'mu-law 2:1'; 2343 } 2344 return (isset($QuicktimeAudioCodecLookup[$codecid]) ? $QuicktimeAudioCodecLookup[$codecid] : ''); 2345 } 2346 2347 /** 2348 * @param string $compressionid 2349 * 2350 * @return string 2351 */ 2352 public function QuicktimeDCOMLookup($compressionid) { 2353 static $QuicktimeDCOMLookup = array(); 2354 if (empty($QuicktimeDCOMLookup)) { 2355 $QuicktimeDCOMLookup['zlib'] = 'ZLib Deflate'; 2356 $QuicktimeDCOMLookup['adec'] = 'Apple Compression'; 2357 } 2358 return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : ''); 2359 } 2360 2361 /** 2362 * @param int $colordepthid 2363 * 2364 * @return string 2365 */ 2366 public function QuicktimeColorNameLookup($colordepthid) { 2367 static $QuicktimeColorNameLookup = array(); 2368 if (empty($QuicktimeColorNameLookup)) { 2369 $QuicktimeColorNameLookup[1] = '2-color (monochrome)'; 2370 $QuicktimeColorNameLookup[2] = '4-color'; 2371 $QuicktimeColorNameLookup[4] = '16-color'; 2372 $QuicktimeColorNameLookup[8] = '256-color'; 2373 $QuicktimeColorNameLookup[16] = 'thousands (16-bit color)'; 2374 $QuicktimeColorNameLookup[24] = 'millions (24-bit color)'; 2375 $QuicktimeColorNameLookup[32] = 'millions+ (32-bit color)'; 2376 $QuicktimeColorNameLookup[33] = 'black & white'; 2377 $QuicktimeColorNameLookup[34] = '4-gray'; 2378 $QuicktimeColorNameLookup[36] = '16-gray'; 2379 $QuicktimeColorNameLookup[40] = '256-gray'; 2380 } 2381 return (isset($QuicktimeColorNameLookup[$colordepthid]) ? $QuicktimeColorNameLookup[$colordepthid] : 'invalid'); 2382 } 2383 2384 /** 2385 * @param int $stik 2386 * 2387 * @return string 2388 */ 2389 public function QuicktimeSTIKLookup($stik) { 2390 static $QuicktimeSTIKLookup = array(); 2391 if (empty($QuicktimeSTIKLookup)) { 2392 $QuicktimeSTIKLookup[0] = 'Movie'; 2393 $QuicktimeSTIKLookup[1] = 'Normal'; 2394 $QuicktimeSTIKLookup[2] = 'Audiobook'; 2395 $QuicktimeSTIKLookup[5] = 'Whacked Bookmark'; 2396 $QuicktimeSTIKLookup[6] = 'Music Video'; 2397 $QuicktimeSTIKLookup[9] = 'Short Film'; 2398 $QuicktimeSTIKLookup[10] = 'TV Show'; 2399 $QuicktimeSTIKLookup[11] = 'Booklet'; 2400 $QuicktimeSTIKLookup[14] = 'Ringtone'; 2401 $QuicktimeSTIKLookup[21] = 'Podcast'; 2402 } 2403 return (isset($QuicktimeSTIKLookup[$stik]) ? $QuicktimeSTIKLookup[$stik] : 'invalid'); 2404 } 2405 2406 /** 2407 * @param int $audio_profile_id 2408 * 2409 * @return string 2410 */ 2411 public function QuicktimeIODSaudioProfileName($audio_profile_id) { 2412 static $QuicktimeIODSaudioProfileNameLookup = array(); 2413 if (empty($QuicktimeIODSaudioProfileNameLookup)) { 2414 $QuicktimeIODSaudioProfileNameLookup = array( 2415 0x00 => 'ISO Reserved (0x00)', 2416 0x01 => 'Main Audio Profile @ Level 1', 2417 0x02 => 'Main Audio Profile @ Level 2', 2418 0x03 => 'Main Audio Profile @ Level 3', 2419 0x04 => 'Main Audio Profile @ Level 4', 2420 0x05 => 'Scalable Audio Profile @ Level 1', 2421 0x06 => 'Scalable Audio Profile @ Level 2', 2422 0x07 => 'Scalable Audio Profile @ Level 3', 2423 0x08 => 'Scalable Audio Profile @ Level 4', 2424 0x09 => 'Speech Audio Profile @ Level 1', 2425 0x0A => 'Speech Audio Profile @ Level 2', 2426 0x0B => 'Synthetic Audio Profile @ Level 1', 2427 0x0C => 'Synthetic Audio Profile @ Level 2', 2428 0x0D => 'Synthetic Audio Profile @ Level 3', 2429 0x0E => 'High Quality Audio Profile @ Level 1', 2430 0x0F => 'High Quality Audio Profile @ Level 2', 2431 0x10 => 'High Quality Audio Profile @ Level 3', 2432 0x11 => 'High Quality Audio Profile @ Level 4', 2433 0x12 => 'High Quality Audio Profile @ Level 5', 2434 0x13 => 'High Quality Audio Profile @ Level 6', 2435 0x14 => 'High Quality Audio Profile @ Level 7', 2436 0x15 => 'High Quality Audio Profile @ Level 8', 2437 0x16 => 'Low Delay Audio Profile @ Level 1', 2438 0x17 => 'Low Delay Audio Profile @ Level 2', 2439 0x18 => 'Low Delay Audio Profile @ Level 3', 2440 0x19 => 'Low Delay Audio Profile @ Level 4', 2441 0x1A => 'Low Delay Audio Profile @ Level 5', 2442 0x1B => 'Low Delay Audio Profile @ Level 6', 2443 0x1C => 'Low Delay Audio Profile @ Level 7', 2444 0x1D => 'Low Delay Audio Profile @ Level 8', 2445 0x1E => 'Natural Audio Profile @ Level 1', 2446 0x1F => 'Natural Audio Profile @ Level 2', 2447 0x20 => 'Natural Audio Profile @ Level 3', 2448 0x21 => 'Natural Audio Profile @ Level 4', 2449 0x22 => 'Mobile Audio Internetworking Profile @ Level 1', 2450 0x23 => 'Mobile Audio Internetworking Profile @ Level 2', 2451 0x24 => 'Mobile Audio Internetworking Profile @ Level 3', 2452 0x25 => 'Mobile Audio Internetworking Profile @ Level 4', 2453 0x26 => 'Mobile Audio Internetworking Profile @ Level 5', 2454 0x27 => 'Mobile Audio Internetworking Profile @ Level 6', 2455 0x28 => 'AAC Profile @ Level 1', 2456 0x29 => 'AAC Profile @ Level 2', 2457 0x2A => 'AAC Profile @ Level 4', 2458 0x2B => 'AAC Profile @ Level 5', 2459 0x2C => 'High Efficiency AAC Profile @ Level 2', 2460 0x2D => 'High Efficiency AAC Profile @ Level 3', 2461 0x2E => 'High Efficiency AAC Profile @ Level 4', 2462 0x2F => 'High Efficiency AAC Profile @ Level 5', 2463 0xFE => 'Not part of MPEG-4 audio profiles', 2464 0xFF => 'No audio capability required', 2465 ); 2466 } 2467 return (isset($QuicktimeIODSaudioProfileNameLookup[$audio_profile_id]) ? $QuicktimeIODSaudioProfileNameLookup[$audio_profile_id] : 'ISO Reserved / User Private'); 2468 } 2469 2470 /** 2471 * @param int $video_profile_id 2472 * 2473 * @return string 2474 */ 2475 public function QuicktimeIODSvideoProfileName($video_profile_id) { 2476 static $QuicktimeIODSvideoProfileNameLookup = array(); 2477 if (empty($QuicktimeIODSvideoProfileNameLookup)) { 2478 $QuicktimeIODSvideoProfileNameLookup = array( 2479 0x00 => 'Reserved (0x00) Profile', 2480 0x01 => 'Simple Profile @ Level 1', 2481 0x02 => 'Simple Profile @ Level 2', 2482 0x03 => 'Simple Profile @ Level 3', 2483 0x08 => 'Simple Profile @ Level 0', 2484 0x10 => 'Simple Scalable Profile @ Level 0', 2485 0x11 => 'Simple Scalable Profile @ Level 1', 2486 0x12 => 'Simple Scalable Profile @ Level 2', 2487 0x15 => 'AVC/H264 Profile', 2488 0x21 => 'Core Profile @ Level 1', 2489 0x22 => 'Core Profile @ Level 2', 2490 0x32 => 'Main Profile @ Level 2', 2491 0x33 => 'Main Profile @ Level 3', 2492 0x34 => 'Main Profile @ Level 4', 2493 0x42 => 'N-bit Profile @ Level 2', 2494 0x51 => 'Scalable Texture Profile @ Level 1', 2495 0x61 => 'Simple Face Animation Profile @ Level 1', 2496 0x62 => 'Simple Face Animation Profile @ Level 2', 2497 0x63 => 'Simple FBA Profile @ Level 1', 2498 0x64 => 'Simple FBA Profile @ Level 2', 2499 0x71 => 'Basic Animated Texture Profile @ Level 1', 2500 0x72 => 'Basic Animated Texture Profile @ Level 2', 2501 0x81 => 'Hybrid Profile @ Level 1', 2502 0x82 => 'Hybrid Profile @ Level 2', 2503 0x91 => 'Advanced Real Time Simple Profile @ Level 1', 2504 0x92 => 'Advanced Real Time Simple Profile @ Level 2', 2505 0x93 => 'Advanced Real Time Simple Profile @ Level 3', 2506 0x94 => 'Advanced Real Time Simple Profile @ Level 4', 2507 0xA1 => 'Core Scalable Profile @ Level1', 2508 0xA2 => 'Core Scalable Profile @ Level2', 2509 0xA3 => 'Core Scalable Profile @ Level3', 2510 0xB1 => 'Advanced Coding Efficiency Profile @ Level 1', 2511 0xB2 => 'Advanced Coding Efficiency Profile @ Level 2', 2512 0xB3 => 'Advanced Coding Efficiency Profile @ Level 3', 2513 0xB4 => 'Advanced Coding Efficiency Profile @ Level 4', 2514 0xC1 => 'Advanced Core Profile @ Level 1', 2515 0xC2 => 'Advanced Core Profile @ Level 2', 2516 0xD1 => 'Advanced Scalable Texture @ Level1', 2517 0xD2 => 'Advanced Scalable Texture @ Level2', 2518 0xE1 => 'Simple Studio Profile @ Level 1', 2519 0xE2 => 'Simple Studio Profile @ Level 2', 2520 0xE3 => 'Simple Studio Profile @ Level 3', 2521 0xE4 => 'Simple Studio Profile @ Level 4', 2522 0xE5 => 'Core Studio Profile @ Level 1', 2523 0xE6 => 'Core Studio Profile @ Level 2', 2524 0xE7 => 'Core Studio Profile @ Level 3', 2525 0xE8 => 'Core Studio Profile @ Level 4', 2526 0xF0 => 'Advanced Simple Profile @ Level 0', 2527 0xF1 => 'Advanced Simple Profile @ Level 1', 2528 0xF2 => 'Advanced Simple Profile @ Level 2', 2529 0xF3 => 'Advanced Simple Profile @ Level 3', 2530 0xF4 => 'Advanced Simple Profile @ Level 4', 2531 0xF5 => 'Advanced Simple Profile @ Level 5', 2532 0xF7 => 'Advanced Simple Profile @ Level 3b', 2533 0xF8 => 'Fine Granularity Scalable Profile @ Level 0', 2534 0xF9 => 'Fine Granularity Scalable Profile @ Level 1', 2535 0xFA => 'Fine Granularity Scalable Profile @ Level 2', 2536 0xFB => 'Fine Granularity Scalable Profile @ Level 3', 2537 0xFC => 'Fine Granularity Scalable Profile @ Level 4', 2538 0xFD => 'Fine Granularity Scalable Profile @ Level 5', 2539 0xFE => 'Not part of MPEG-4 Visual profiles', 2540 0xFF => 'No visual capability required', 2541 ); 2542 } 2543 return (isset($QuicktimeIODSvideoProfileNameLookup[$video_profile_id]) ? $QuicktimeIODSvideoProfileNameLookup[$video_profile_id] : 'ISO Reserved Profile'); 2544 } 2545 2546 /** 2547 * @param int $rtng 2548 * 2549 * @return string 2550 */ 2551 public function QuicktimeContentRatingLookup($rtng) { 2552 static $QuicktimeContentRatingLookup = array(); 2553 if (empty($QuicktimeContentRatingLookup)) { 2554 $QuicktimeContentRatingLookup[0] = 'None'; 2555 $QuicktimeContentRatingLookup[2] = 'Clean'; 2556 $QuicktimeContentRatingLookup[4] = 'Explicit'; 2557 } 2558 return (isset($QuicktimeContentRatingLookup[$rtng]) ? $QuicktimeContentRatingLookup[$rtng] : 'invalid'); 2559 } 2560 2561 /** 2562 * @param int $akid 2563 * 2564 * @return string 2565 */ 2566 public function QuicktimeStoreAccountTypeLookup($akid) { 2567 static $QuicktimeStoreAccountTypeLookup = array(); 2568 if (empty($QuicktimeStoreAccountTypeLookup)) { 2569 $QuicktimeStoreAccountTypeLookup[0] = 'iTunes'; 2570 $QuicktimeStoreAccountTypeLookup[1] = 'AOL'; 2571 } 2572 return (isset($QuicktimeStoreAccountTypeLookup[$akid]) ? $QuicktimeStoreAccountTypeLookup[$akid] : 'invalid'); 2573 } 2574 2575 /** 2576 * @param int $sfid 2577 * 2578 * @return string 2579 */ 2580 public function QuicktimeStoreFrontCodeLookup($sfid) { 2581 static $QuicktimeStoreFrontCodeLookup = array(); 2582 if (empty($QuicktimeStoreFrontCodeLookup)) { 2583 $QuicktimeStoreFrontCodeLookup[143460] = 'Australia'; 2584 $QuicktimeStoreFrontCodeLookup[143445] = 'Austria'; 2585 $QuicktimeStoreFrontCodeLookup[143446] = 'Belgium'; 2586 $QuicktimeStoreFrontCodeLookup[143455] = 'Canada'; 2587 $QuicktimeStoreFrontCodeLookup[143458] = 'Denmark'; 2588 $QuicktimeStoreFrontCodeLookup[143447] = 'Finland'; 2589 $QuicktimeStoreFrontCodeLookup[143442] = 'France'; 2590 $QuicktimeStoreFrontCodeLookup[143443] = 'Germany'; 2591 $QuicktimeStoreFrontCodeLookup[143448] = 'Greece'; 2592 $QuicktimeStoreFrontCodeLookup[143449] = 'Ireland'; 2593 $QuicktimeStoreFrontCodeLookup[143450] = 'Italy'; 2594 $QuicktimeStoreFrontCodeLookup[143462] = 'Japan'; 2595 $QuicktimeStoreFrontCodeLookup[143451] = 'Luxembourg'; 2596 $QuicktimeStoreFrontCodeLookup[143452] = 'Netherlands'; 2597 $QuicktimeStoreFrontCodeLookup[143461] = 'New Zealand'; 2598 $QuicktimeStoreFrontCodeLookup[143457] = 'Norway'; 2599 $QuicktimeStoreFrontCodeLookup[143453] = 'Portugal'; 2600 $QuicktimeStoreFrontCodeLookup[143454] = 'Spain'; 2601 $QuicktimeStoreFrontCodeLookup[143456] = 'Sweden'; 2602 $QuicktimeStoreFrontCodeLookup[143459] = 'Switzerland'; 2603 $QuicktimeStoreFrontCodeLookup[143444] = 'United Kingdom'; 2604 $QuicktimeStoreFrontCodeLookup[143441] = 'United States'; 2605 } 2606 return (isset($QuicktimeStoreFrontCodeLookup[$sfid]) ? $QuicktimeStoreFrontCodeLookup[$sfid] : 'invalid'); 2607 } 2608 2609 /** 2610 * @param string $atom_data 2611 * 2612 * @return array 2613 */ 2614 public function QuicktimeParseNikonNCTG($atom_data) { 2615 // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG 2616 // Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100 2617 // Data is stored as records of: 2618 // * 4 bytes record type 2619 // * 2 bytes size of data field type: 2620 // 0x0001 = flag (size field *= 1-byte) 2621 // 0x0002 = char (size field *= 1-byte) 2622 // 0x0003 = DWORD+ (size field *= 2-byte), values are stored CDAB 2623 // 0x0004 = QWORD+ (size field *= 4-byte), values are stored EFGHABCD 2624 // 0x0005 = float (size field *= 8-byte), values are stored aaaabbbb where value is aaaa/bbbb; possibly multiple sets of values appended together 2625 // 0x0007 = bytes (size field *= 1-byte), values are stored as ?????? 2626 // 0x0008 = ????? (size field *= 2-byte), values are stored as ?????? 2627 // * 2 bytes data size field 2628 // * ? bytes data (string data may be null-padded; datestamp fields are in the format "2011:05:25 20:24:15") 2629 // all integers are stored BigEndian 2630 2631 $NCTGtagName = array( 2632 0x00000001 => 'Make', 2633 0x00000002 => 'Model', 2634 0x00000003 => 'Software', 2635 0x00000011 => 'CreateDate', 2636 0x00000012 => 'DateTimeOriginal', 2637 0x00000013 => 'FrameCount', 2638 0x00000016 => 'FrameRate', 2639 0x00000022 => 'FrameWidth', 2640 0x00000023 => 'FrameHeight', 2641 0x00000032 => 'AudioChannels', 2642 0x00000033 => 'AudioBitsPerSample', 2643 0x00000034 => 'AudioSampleRate', 2644 0x02000001 => 'MakerNoteVersion', 2645 0x02000005 => 'WhiteBalance', 2646 0x0200000b => 'WhiteBalanceFineTune', 2647 0x0200001e => 'ColorSpace', 2648 0x02000023 => 'PictureControlData', 2649 0x02000024 => 'WorldTime', 2650 0x02000032 => 'UnknownInfo', 2651 0x02000083 => 'LensType', 2652 0x02000084 => 'Lens', 2653 ); 2654 2655 $offset = 0; 2656 $data = null; 2657 $datalength = strlen($atom_data); 2658 $parsed = array(); 2659 while ($offset < $datalength) { 2660 $record_type = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4)); $offset += 4; 2661 $data_size_type = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); $offset += 2; 2662 $data_size = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); $offset += 2; 2663 switch ($data_size_type) { 2664 case 0x0001: // 0x0001 = flag (size field *= 1-byte) 2665 $data = getid3_lib::BigEndian2Int(substr($atom_data, $offset, $data_size * 1)); 2666 $offset += ($data_size * 1); 2667 break; 2668 case 0x0002: // 0x0002 = char (size field *= 1-byte) 2669 $data = substr($atom_data, $offset, $data_size * 1); 2670 $offset += ($data_size * 1); 2671 $data = rtrim($data, "\x00"); 2672 break; 2673 case 0x0003: // 0x0003 = DWORD+ (size field *= 2-byte), values are stored CDAB 2674 $data = ''; 2675 for ($i = $data_size - 1; $i >= 0; $i--) { 2676 $data .= substr($atom_data, $offset + ($i * 2), 2); 2677 } 2678 $data = getid3_lib::BigEndian2Int($data); 2679 $offset += ($data_size * 2); 2680 break; 2681 case 0x0004: // 0x0004 = QWORD+ (size field *= 4-byte), values are stored EFGHABCD 2682 $data = ''; 2683 for ($i = $data_size - 1; $i >= 0; $i--) { 2684 $data .= substr($atom_data, $offset + ($i * 4), 4); 2685 } 2686 $data = getid3_lib::BigEndian2Int($data); 2687 $offset += ($data_size * 4); 2688 break; 2689 case 0x0005: // 0x0005 = float (size field *= 8-byte), values are stored aaaabbbb where value is aaaa/bbbb; possibly multiple sets of values appended together 2690 $data = array(); 2691 for ($i = 0; $i < $data_size; $i++) { 2692 $numerator = getid3_lib::BigEndian2Int(substr($atom_data, $offset + ($i * 8) + 0, 4)); 2693 $denomninator = getid3_lib::BigEndian2Int(substr($atom_data, $offset + ($i * 8) + 4, 4)); 2694 if ($denomninator == 0) { 2695 $data[$i] = false; 2696 } else { 2697 $data[$i] = (double) $numerator / $denomninator; 2698 } 2699 } 2700 $offset += (8 * $data_size); 2701 if (count($data) == 1) { 2702 $data = $data[0]; 2703 } 2704 break; 2705 case 0x0007: // 0x0007 = bytes (size field *= 1-byte), values are stored as ?????? 2706 $data = substr($atom_data, $offset, $data_size * 1); 2707 $offset += ($data_size * 1); 2708 break; 2709 case 0x0008: // 0x0008 = ????? (size field *= 2-byte), values are stored as ?????? 2710 $data = substr($atom_data, $offset, $data_size * 2); 2711 $offset += ($data_size * 2); 2712 break; 2713 default: 2714 echo 'QuicktimeParseNikonNCTG()::unknown $data_size_type: '.$data_size_type.'<br>'; 2715 break 2; 2716 } 2717 2718 switch ($record_type) { 2719 case 0x00000011: // CreateDate 2720 case 0x00000012: // DateTimeOriginal 2721 $data = strtotime($data); 2722 break; 2723 case 0x0200001e: // ColorSpace 2724 switch ($data) { 2725 case 1: 2726 $data = 'sRGB'; 2727 break; 2728 case 2: 2729 $data = 'Adobe RGB'; 2730 break; 2731 } 2732 break; 2733 case 0x02000023: // PictureControlData 2734 $PictureControlAdjust = array(0=>'default', 1=>'quick', 2=>'full'); 2735 $FilterEffect = array(0x80=>'off', 0x81=>'yellow', 0x82=>'orange', 0x83=>'red', 0x84=>'green', 0xff=>'n/a'); 2736 $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'); 2737 $data = array( 2738 'PictureControlVersion' => substr($data, 0, 4), 2739 'PictureControlName' => rtrim(substr($data, 4, 20), "\x00"), 2740 'PictureControlBase' => rtrim(substr($data, 24, 20), "\x00"), 2741 //'?' => substr($data, 44, 4), 2742 'PictureControlAdjust' => $PictureControlAdjust[ord(substr($data, 48, 1))], 2743 'PictureControlQuickAdjust' => ord(substr($data, 49, 1)), 2744 'Sharpness' => ord(substr($data, 50, 1)), 2745 'Contrast' => ord(substr($data, 51, 1)), 2746 'Brightness' => ord(substr($data, 52, 1)), 2747 'Saturation' => ord(substr($data, 53, 1)), 2748 'HueAdjustment' => ord(substr($data, 54, 1)), 2749 'FilterEffect' => $FilterEffect[ord(substr($data, 55, 1))], 2750 'ToningEffect' => $ToningEffect[ord(substr($data, 56, 1))], 2751 'ToningSaturation' => ord(substr($data, 57, 1)), 2752 ); 2753 break; 2754 case 0x02000024: // WorldTime 2755 // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#WorldTime 2756 // timezone is stored as offset from GMT in minutes 2757 $timezone = getid3_lib::BigEndian2Int(substr($data, 0, 2)); 2758 if ($timezone & 0x8000) { 2759 $timezone = 0 - (0x10000 - $timezone); 2760 } 2761 $timezone /= 60; 2762 2763 $dst = (bool) getid3_lib::BigEndian2Int(substr($data, 2, 1)); 2764 switch (getid3_lib::BigEndian2Int(substr($data, 3, 1))) { 2765 case 2: 2766 $datedisplayformat = 'D/M/Y'; break; 2767 case 1: 2768 $datedisplayformat = 'M/D/Y'; break; 2769 case 0: 2770 default: 2771 $datedisplayformat = 'Y/M/D'; break; 2772 } 2773 2774 $data = array('timezone'=>floatval($timezone), 'dst'=>$dst, 'display'=>$datedisplayformat); 2775 break; 2776 case 0x02000083: // LensType 2777 $data = array( 2778 //'_' => $data, 2779 'mf' => (bool) ($data & 0x01), 2780 'd' => (bool) ($data & 0x02), 2781 'g' => (bool) ($data & 0x04), 2782 'vr' => (bool) ($data & 0x08), 2783 ); 2784 break; 2785 } 2786 $tag_name = (isset($NCTGtagName[$record_type]) ? $NCTGtagName[$record_type] : '0x'.str_pad(dechex($record_type), 8, '0', STR_PAD_LEFT)); 2787 $parsed[$tag_name] = $data; 2788 } 2789 return $parsed; 2790 } 2791 2792 /** 2793 * @param string $keyname 2794 * @param string|array $data 2795 * @param string $boxname 2796 * 2797 * @return bool 2798 */ 2799 public function CopyToAppropriateCommentsSection($keyname, $data, $boxname='') { 2800 static $handyatomtranslatorarray = array(); 2801 if (empty($handyatomtranslatorarray)) { 2802 // http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt 2803 // http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt 2804 // http://atomicparsley.sourceforge.net/mpeg-4files.html 2805 // https://code.google.com/p/mp4v2/wiki/iTunesMetadata 2806 $handyatomtranslatorarray["\xA9".'alb'] = 'album'; // iTunes 4.0 2807 $handyatomtranslatorarray["\xA9".'ART'] = 'artist'; 2808 $handyatomtranslatorarray["\xA9".'art'] = 'artist'; // iTunes 4.0 2809 $handyatomtranslatorarray["\xA9".'aut'] = 'author'; 2810 $handyatomtranslatorarray["\xA9".'cmt'] = 'comment'; // iTunes 4.0 2811 $handyatomtranslatorarray["\xA9".'com'] = 'comment'; 2812 $handyatomtranslatorarray["\xA9".'cpy'] = 'copyright'; 2813 $handyatomtranslatorarray["\xA9".'day'] = 'creation_date'; // iTunes 4.0 2814 $handyatomtranslatorarray["\xA9".'dir'] = 'director'; 2815 $handyatomtranslatorarray["\xA9".'ed1'] = 'edit1'; 2816 $handyatomtranslatorarray["\xA9".'ed2'] = 'edit2'; 2817 $handyatomtranslatorarray["\xA9".'ed3'] = 'edit3'; 2818 $handyatomtranslatorarray["\xA9".'ed4'] = 'edit4'; 2819 $handyatomtranslatorarray["\xA9".'ed5'] = 'edit5'; 2820 $handyatomtranslatorarray["\xA9".'ed6'] = 'edit6'; 2821 $handyatomtranslatorarray["\xA9".'ed7'] = 'edit7'; 2822 $handyatomtranslatorarray["\xA9".'ed8'] = 'edit8'; 2823 $handyatomtranslatorarray["\xA9".'ed9'] = 'edit9'; 2824 $handyatomtranslatorarray["\xA9".'enc'] = 'encoded_by'; 2825 $handyatomtranslatorarray["\xA9".'fmt'] = 'format'; 2826 $handyatomtranslatorarray["\xA9".'gen'] = 'genre'; // iTunes 4.0 2827 $handyatomtranslatorarray["\xA9".'grp'] = 'grouping'; // iTunes 4.2 2828 $handyatomtranslatorarray["\xA9".'hst'] = 'host_computer'; 2829 $handyatomtranslatorarray["\xA9".'inf'] = 'information'; 2830 $handyatomtranslatorarray["\xA9".'lyr'] = 'lyrics'; // iTunes 5.0 2831 $handyatomtranslatorarray["\xA9".'mak'] = 'make'; 2832 $handyatomtranslatorarray["\xA9".'mod'] = 'model'; 2833 $handyatomtranslatorarray["\xA9".'nam'] = 'title'; // iTunes 4.0 2834 $handyatomtranslatorarray["\xA9".'ope'] = 'composer'; 2835 $handyatomtranslatorarray["\xA9".'prd'] = 'producer'; 2836 $handyatomtranslatorarray["\xA9".'PRD'] = 'product'; 2837 $handyatomtranslatorarray["\xA9".'prf'] = 'performers'; 2838 $handyatomtranslatorarray["\xA9".'req'] = 'system_requirements'; 2839 $handyatomtranslatorarray["\xA9".'src'] = 'source_credit'; 2840 $handyatomtranslatorarray["\xA9".'swr'] = 'software'; 2841 $handyatomtranslatorarray["\xA9".'too'] = 'encoding_tool'; // iTunes 4.0 2842 $handyatomtranslatorarray["\xA9".'trk'] = 'track_number'; 2843 $handyatomtranslatorarray["\xA9".'url'] = 'url'; 2844 $handyatomtranslatorarray["\xA9".'wrn'] = 'warning'; 2845 $handyatomtranslatorarray["\xA9".'wrt'] = 'composer'; 2846 $handyatomtranslatorarray['aART'] = 'album_artist'; 2847 $handyatomtranslatorarray['apID'] = 'purchase_account'; 2848 $handyatomtranslatorarray['catg'] = 'category'; // iTunes 4.9 2849 $handyatomtranslatorarray['covr'] = 'picture'; // iTunes 4.0 2850 $handyatomtranslatorarray['cpil'] = 'compilation'; // iTunes 4.0 2851 $handyatomtranslatorarray['cprt'] = 'copyright'; // iTunes 4.0? 2852 $handyatomtranslatorarray['desc'] = 'description'; // iTunes 5.0 2853 $handyatomtranslatorarray['disk'] = 'disc_number'; // iTunes 4.0 2854 $handyatomtranslatorarray['egid'] = 'episode_guid'; // iTunes 4.9 2855 $handyatomtranslatorarray['gnre'] = 'genre'; // iTunes 4.0 2856 $handyatomtranslatorarray['hdvd'] = 'hd_video'; // iTunes 4.0 2857 $handyatomtranslatorarray['ldes'] = 'description_long'; // 2858 $handyatomtranslatorarray['keyw'] = 'keyword'; // iTunes 4.9 2859 $handyatomtranslatorarray['pcst'] = 'podcast'; // iTunes 4.9 2860 $handyatomtranslatorarray['pgap'] = 'gapless_playback'; // iTunes 7.0 2861 $handyatomtranslatorarray['purd'] = 'purchase_date'; // iTunes 6.0.2 2862 $handyatomtranslatorarray['purl'] = 'podcast_url'; // iTunes 4.9 2863 $handyatomtranslatorarray['rtng'] = 'rating'; // iTunes 4.0 2864 $handyatomtranslatorarray['soaa'] = 'sort_album_artist'; // 2865 $handyatomtranslatorarray['soal'] = 'sort_album'; // 2866 $handyatomtranslatorarray['soar'] = 'sort_artist'; // 2867 $handyatomtranslatorarray['soco'] = 'sort_composer'; // 2868 $handyatomtranslatorarray['sonm'] = 'sort_title'; // 2869 $handyatomtranslatorarray['sosn'] = 'sort_show'; // 2870 $handyatomtranslatorarray['stik'] = 'stik'; // iTunes 4.9 2871 $handyatomtranslatorarray['tmpo'] = 'bpm'; // iTunes 4.0 2872 $handyatomtranslatorarray['trkn'] = 'track_number'; // iTunes 4.0 2873 $handyatomtranslatorarray['tven'] = 'tv_episode_id'; // 2874 $handyatomtranslatorarray['tves'] = 'tv_episode'; // iTunes 6.0 2875 $handyatomtranslatorarray['tvnn'] = 'tv_network_name'; // iTunes 6.0 2876 $handyatomtranslatorarray['tvsh'] = 'tv_show_name'; // iTunes 6.0 2877 $handyatomtranslatorarray['tvsn'] = 'tv_season'; // iTunes 6.0 2878 2879 // boxnames: 2880 /* 2881 $handyatomtranslatorarray['iTunSMPB'] = 'iTunSMPB'; 2882 $handyatomtranslatorarray['iTunNORM'] = 'iTunNORM'; 2883 $handyatomtranslatorarray['Encoding Params'] = 'Encoding Params'; 2884 $handyatomtranslatorarray['replaygain_track_gain'] = 'replaygain_track_gain'; 2885 $handyatomtranslatorarray['replaygain_track_peak'] = 'replaygain_track_peak'; 2886 $handyatomtranslatorarray['replaygain_track_minmax'] = 'replaygain_track_minmax'; 2887 $handyatomtranslatorarray['MusicIP PUID'] = 'MusicIP PUID'; 2888 $handyatomtranslatorarray['MusicBrainz Artist Id'] = 'MusicBrainz Artist Id'; 2889 $handyatomtranslatorarray['MusicBrainz Album Id'] = 'MusicBrainz Album Id'; 2890 $handyatomtranslatorarray['MusicBrainz Album Artist Id'] = 'MusicBrainz Album Artist Id'; 2891 $handyatomtranslatorarray['MusicBrainz Track Id'] = 'MusicBrainz Track Id'; 2892 $handyatomtranslatorarray['MusicBrainz Disc Id'] = 'MusicBrainz Disc Id'; 2893 2894 // http://age.hobba.nl/audio/tag_frame_reference.html 2895 $handyatomtranslatorarray['PLAY_COUNTER'] = 'play_counter'; // Foobar2000 - https://www.getid3.org/phpBB3/viewtopic.php?t=1355 2896 $handyatomtranslatorarray['MEDIATYPE'] = 'mediatype'; // Foobar2000 - https://www.getid3.org/phpBB3/viewtopic.php?t=1355 2897 */ 2898 } 2899 $info = &$this->getid3->info; 2900 $comment_key = ''; 2901 if ($boxname && ($boxname != $keyname)) { 2902 $comment_key = (isset($handyatomtranslatorarray[$boxname]) ? $handyatomtranslatorarray[$boxname] : $boxname); 2903 } elseif (isset($handyatomtranslatorarray[$keyname])) { 2904 $comment_key = $handyatomtranslatorarray[$keyname]; 2905 } 2906 if ($comment_key) { 2907 if ($comment_key == 'picture') { 2908 // already copied directly into [comments][picture] elsewhere, do not re-copy here 2909 return true; 2910 } 2911 $gooddata = array($data); 2912 if ($comment_key == 'genre') { 2913 // some other taggers separate multiple genres with semicolon, e.g. "Heavy Metal;Thrash Metal;Metal" 2914 $gooddata = explode(';', $data); 2915 } 2916 foreach ($gooddata as $data) { 2917 if (!empty($info['quicktime']['comments'][$comment_key]) && in_array($data, $info['quicktime']['comments'][$comment_key], true)) { 2918 // avoid duplicate copies of identical data 2919 continue; 2920 } 2921 $info['quicktime']['comments'][$comment_key][] = $data; 2922 } 2923 } 2924 return true; 2925 } 2926 2927 /** 2928 * @param string $lstring 2929 * @param int $count 2930 * 2931 * @return string 2932 */ 2933 public function LociString($lstring, &$count) { 2934 // Loci strings are UTF-8 or UTF-16 and null (x00/x0000) terminated. UTF-16 has a BOM 2935 // Also need to return the number of bytes the string occupied so additional fields can be extracted 2936 $len = strlen($lstring); 2937 if ($len == 0) { 2938 $count = 0; 2939 return ''; 2940 } 2941 if ($lstring[0] == "\x00") { 2942 $count = 1; 2943 return ''; 2944 } 2945 // check for BOM 2946 if (($len > 2) && ((($lstring[0] == "\xFE") && ($lstring[1] == "\xFF")) || (($lstring[0] == "\xFF") && ($lstring[1] == "\xFE")))) { 2947 // UTF-16 2948 if (preg_match('/(.*)\x00/', $lstring, $lmatches)) { 2949 $count = strlen($lmatches[1]) * 2 + 2; //account for 2 byte characters and trailing \x0000 2950 return getid3_lib::iconv_fallback_utf16_utf8($lmatches[1]); 2951 } else { 2952 return ''; 2953 } 2954 } 2955 // UTF-8 2956 if (preg_match('/(.*)\x00/', $lstring, $lmatches)) { 2957 $count = strlen($lmatches[1]) + 1; //account for trailing \x00 2958 return $lmatches[1]; 2959 } 2960 return ''; 2961 } 2962 2963 /** 2964 * @param string $nullterminatedstring 2965 * 2966 * @return string 2967 */ 2968 public function NoNullString($nullterminatedstring) { 2969 // remove the single null terminator on null terminated strings 2970 if (substr($nullterminatedstring, strlen($nullterminatedstring) - 1, 1) === "\x00") { 2971 return substr($nullterminatedstring, 0, strlen($nullterminatedstring) - 1); 2972 } 2973 return $nullterminatedstring; 2974 } 2975 2976 /** 2977 * @param string $pascalstring 2978 * 2979 * @return string 2980 */ 2981 public function Pascal2String($pascalstring) { 2982 // Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string 2983 return substr($pascalstring, 1); 2984 } 2985 2986 /** 2987 * @param string $pascalstring 2988 * 2989 * @return string 2990 */ 2991 public function MaybePascal2String($pascalstring) { 2992 // Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string 2993 // Check if string actually is in this format or written incorrectly, straight string, or null-terminated string 2994 if (ord(substr($pascalstring, 0, 1)) == (strlen($pascalstring) - 1)) { 2995 return substr($pascalstring, 1); 2996 } elseif (substr($pascalstring, -1, 1) == "\x00") { 2997 // appears to be null-terminated instead of Pascal-style 2998 return substr($pascalstring, 0, -1); 2999 } 3000 return $pascalstring; 3001 } 3002 3003 3004 /** 3005 * Helper functions for m4b audiobook chapters 3006 * code by Steffen Hartmann 2015-Nov-08. 3007 * 3008 * @param array $info 3009 * @param string $tag 3010 * @param string $history 3011 * @param array $result 3012 */ 3013 public function search_tag_by_key($info, $tag, $history, &$result) { 3014 foreach ($info as $key => $value) { 3015 $key_history = $history.'/'.$key; 3016 if ($key === $tag) { 3017 $result[] = array($key_history, $info); 3018 } else { 3019 if (is_array($value)) { 3020 $this->search_tag_by_key($value, $tag, $key_history, $result); 3021 } 3022 } 3023 } 3024 } 3025 3026 /** 3027 * @param array $info 3028 * @param string $k 3029 * @param string $v 3030 * @param string $history 3031 * @param array $result 3032 */ 3033 public function search_tag_by_pair($info, $k, $v, $history, &$result) { 3034 foreach ($info as $key => $value) { 3035 $key_history = $history.'/'.$key; 3036 if (($key === $k) && ($value === $v)) { 3037 $result[] = array($key_history, $info); 3038 } else { 3039 if (is_array($value)) { 3040 $this->search_tag_by_pair($value, $k, $v, $key_history, $result); 3041 } 3042 } 3043 } 3044 } 3045 3046 /** 3047 * @param array $info 3048 * 3049 * @return array 3050 */ 3051 public function quicktime_time_to_sample_table($info) { 3052 $res = array(); 3053 $this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res); 3054 foreach ($res as $value) { 3055 $stbl_res = array(); 3056 $this->search_tag_by_pair($value[1], 'data_format', 'text', $value[0], $stbl_res); 3057 if (count($stbl_res) > 0) { 3058 $stts_res = array(); 3059 $this->search_tag_by_key($value[1], 'time_to_sample_table', $value[0], $stts_res); 3060 if (count($stts_res) > 0) { 3061 return $stts_res[0][1]['time_to_sample_table']; 3062 } 3063 } 3064 } 3065 return array(); 3066 } 3067 3068 /** 3069 * @param array $info 3070 * 3071 * @return int 3072 */ 3073 public function quicktime_bookmark_time_scale($info) { 3074 $time_scale = ''; 3075 $ts_prefix_len = 0; 3076 $res = array(); 3077 $this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res); 3078 foreach ($res as $value) { 3079 $stbl_res = array(); 3080 $this->search_tag_by_pair($value[1], 'data_format', 'text', $value[0], $stbl_res); 3081 if (count($stbl_res) > 0) { 3082 $ts_res = array(); 3083 $this->search_tag_by_key($info['quicktime']['moov'], 'time_scale', 'quicktime/moov', $ts_res); 3084 foreach ($ts_res as $sub_value) { 3085 $prefix = substr($sub_value[0], 0, -12); 3086 if ((substr($stbl_res[0][0], 0, strlen($prefix)) === $prefix) && ($ts_prefix_len < strlen($prefix))) { 3087 $time_scale = $sub_value[1]['time_scale']; 3088 $ts_prefix_len = strlen($prefix); 3089 } 3090 } 3091 } 3092 } 3093 return $time_scale; 3094 } 3095 /* 3096 // END helper functions for m4b audiobook chapters 3097 */ 3098 3099 3100 }