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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 /** audio-video.quicktime 28 * return all parsed data from all atoms if true, otherwise just returned parsed metadata 29 * 30 * @var bool 31 */ 32 public $ReturnAtomData = false; 33 34 /** audio-video.quicktime 35 * return all parsed data from all atoms if true, otherwise just returned parsed metadata 36 * 37 * @var bool 38 */ 39 public $ParseAllPossibleAtoms = false; 40 41 /** 42 * @return bool 43 */ 44 public function Analyze() { 45 $info = &$this->getid3->info; 46 47 $info['fileformat'] = 'quicktime'; 48 $info['quicktime']['hinting'] = false; 49 $info['quicktime']['controller'] = 'standard'; // may be overridden if 'ctyp' atom is present 50 51 $this->fseek($info['avdataoffset']); 52 53 $offset = 0; 54 $atomcounter = 0; 55 $atom_data_read_buffer_size = $info['php_memory_limit'] ? round($info['php_memory_limit'] / 4) : $this->getid3->option_fread_buffer_size * 1024; // set read buffer to 25% of PHP memory limit (if one is specified), otherwise use option_fread_buffer_size [default: 32MB] 56 while ($offset < $info['avdataend']) { 57 if (!getid3_lib::intValueSupported($offset)) { 58 $this->error('Unable to parse atom at offset '.$offset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions'); 59 break; 60 } 61 $this->fseek($offset); 62 $AtomHeader = $this->fread(8); 63 64 // https://github.com/JamesHeinrich/getID3/issues/382 65 // Atom sizes are stored as 32-bit number in most cases, but sometimes (notably for "mdat") 66 // a 64-bit value is required, in which case the normal 32-bit size field is set to 0x00000001 67 // and the 64-bit "real" size value is the next 8 bytes. 68 $atom_size_extended_bytes = 0; 69 $atomsize = getid3_lib::BigEndian2Int(substr($AtomHeader, 0, 4)); 70 $atomname = substr($AtomHeader, 4, 4); 71 if ($atomsize == 1) { 72 $atom_size_extended_bytes = 8; 73 $atomsize = getid3_lib::BigEndian2Int($this->fread($atom_size_extended_bytes)); 74 } 75 76 if (($offset + $atomsize) > $info['avdataend']) { 77 $info['quicktime'][$atomname]['name'] = $atomname; 78 $info['quicktime'][$atomname]['size'] = $atomsize; 79 $info['quicktime'][$atomname]['offset'] = $offset; 80 $this->error('Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atomsize.' bytes)'); 81 return false; 82 } 83 if ($atomsize == 0) { 84 // Furthermore, for historical reasons the list of atoms is optionally 85 // terminated by a 32-bit integer set to 0. If you are writing a program 86 // to read user data atoms, you should allow for the terminating 0. 87 $info['quicktime'][$atomname]['name'] = $atomname; 88 $info['quicktime'][$atomname]['size'] = $atomsize; 89 $info['quicktime'][$atomname]['offset'] = $offset; 90 break; 91 } 92 $atomHierarchy = array(); 93 $parsedAtomData = $this->QuicktimeParseAtom($atomname, $atomsize, $this->fread(min($atomsize - $atom_size_extended_bytes, $atom_data_read_buffer_size)), $offset, $atomHierarchy, $this->ParseAllPossibleAtoms); 94 $parsedAtomData['name'] = $atomname; 95 $parsedAtomData['size'] = $atomsize; 96 $parsedAtomData['offset'] = $offset; 97 if ($atom_size_extended_bytes) { 98 $parsedAtomData['xsize_bytes'] = $atom_size_extended_bytes; 99 } 100 if (in_array($atomname, array('uuid'))) { 101 @$info['quicktime'][$atomname][] = $parsedAtomData; 102 } else { 103 $info['quicktime'][$atomname] = $parsedAtomData; 104 } 105 106 $offset += $atomsize; 107 $atomcounter++; 108 } 109 110 if (!empty($info['avdataend_tmp'])) { 111 // this value is assigned to a temp value and then erased because 112 // otherwise any atoms beyond the 'mdat' atom would not get parsed 113 $info['avdataend'] = $info['avdataend_tmp']; 114 unset($info['avdataend_tmp']); 115 } 116 117 if (isset($info['quicktime']['comments']['chapters']) && is_array($info['quicktime']['comments']['chapters']) && (count($info['quicktime']['comments']['chapters']) > 0)) { 118 $durations = $this->quicktime_time_to_sample_table($info); 119 for ($i = 0; $i < count($info['quicktime']['comments']['chapters']); $i++) { 120 $bookmark = array(); 121 $bookmark['title'] = $info['quicktime']['comments']['chapters'][$i]; 122 if (isset($durations[$i])) { 123 $bookmark['duration_sample'] = $durations[$i]['sample_duration']; 124 if ($i > 0) { 125 $bookmark['start_sample'] = $info['quicktime']['bookmarks'][($i - 1)]['start_sample'] + $info['quicktime']['bookmarks'][($i - 1)]['duration_sample']; 126 } else { 127 $bookmark['start_sample'] = 0; 128 } 129 if ($time_scale = $this->quicktime_bookmark_time_scale($info)) { 130 $bookmark['duration_seconds'] = $bookmark['duration_sample'] / $time_scale; 131 $bookmark['start_seconds'] = $bookmark['start_sample'] / $time_scale; 132 } 133 } 134 $info['quicktime']['bookmarks'][] = $bookmark; 135 } 136 } 137 138 if (isset($info['quicktime']['temp_meta_key_names'])) { 139 unset($info['quicktime']['temp_meta_key_names']); 140 } 141 142 if (!empty($info['quicktime']['comments']['location.ISO6709'])) { 143 // https://en.wikipedia.org/wiki/ISO_6709 144 foreach ($info['quicktime']['comments']['location.ISO6709'] as $ISO6709string) { 145 $ISO6709parsed = array('latitude'=>false, 'longitude'=>false, 'altitude'=>false); 146 if (preg_match('#^([\\+\\-])([0-9]{2}|[0-9]{4}|[0-9]{6})(\\.[0-9]+)?([\\+\\-])([0-9]{3}|[0-9]{5}|[0-9]{7})(\\.[0-9]+)?(([\\+\\-])([0-9]{3}|[0-9]{5}|[0-9]{7})(\\.[0-9]+)?)?/$#', $ISO6709string, $matches)) { 147 // phpcs:ignore PHPCompatibility.Lists.AssignmentOrder.Affected 148 @list($dummy, $lat_sign, $lat_deg, $lat_deg_dec, $lon_sign, $lon_deg, $lon_deg_dec, $dummy, $alt_sign, $alt_deg, $alt_deg_dec) = $matches; 149 150 if (strlen($lat_deg) == 2) { // [+-]DD.D 151 $ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim($lat_deg, '0').$lat_deg_dec); 152 } elseif (strlen($lat_deg) == 4) { // [+-]DDMM.M 153 $ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval(ltrim(substr($lat_deg, 2, 2), '0').$lat_deg_dec / 60); 154 } elseif (strlen($lat_deg) == 6) { // [+-]DDMMSS.S 155 $ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval((int) ltrim(substr($lat_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($lat_deg, 4, 2), '0').$lat_deg_dec / 3600); 156 } 157 158 if (strlen($lon_deg) == 3) { // [+-]DDD.D 159 $ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim($lon_deg, '0').$lon_deg_dec); 160 } elseif (strlen($lon_deg) == 5) { // [+-]DDDMM.M 161 $ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval(ltrim(substr($lon_deg, 2, 2), '0').$lon_deg_dec / 60); 162 } elseif (strlen($lon_deg) == 7) { // [+-]DDDMMSS.S 163 $ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval((int) ltrim(substr($lon_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($lon_deg, 4, 2), '0').$lon_deg_dec / 3600); 164 } 165 166 if (strlen($alt_deg) == 3) { // [+-]DDD.D 167 $ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim($alt_deg, '0').$alt_deg_dec); 168 } elseif (strlen($alt_deg) == 5) { // [+-]DDDMM.M 169 $ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval(ltrim(substr($alt_deg, 2, 2), '0').$alt_deg_dec / 60); 170 } elseif (strlen($alt_deg) == 7) { // [+-]DDDMMSS.S 171 $ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval((int) ltrim(substr($alt_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($alt_deg, 4, 2), '0').$alt_deg_dec / 3600); 172 } 173 174 foreach (array('latitude', 'longitude', 'altitude') as $key) { 175 if ($ISO6709parsed[$key] !== false) { 176 $value = (($lat_sign == '-') ? -1 : 1) * floatval($ISO6709parsed[$key]); 177 if (!isset($info['quicktime']['comments']['gps_'.$key]) || !in_array($value, $info['quicktime']['comments']['gps_'.$key])) { 178 @$info['quicktime']['comments']['gps_'.$key][] = (($lat_sign == '-') ? -1 : 1) * floatval($ISO6709parsed[$key]); 179 } 180 } 181 } 182 } 183 if ($ISO6709parsed['latitude'] === false) { 184 $this->warning('location.ISO6709 string not parsed correctly: "'.$ISO6709string.'", please submit as a bug'); 185 } 186 break; 187 } 188 } 189 190 if (!isset($info['bitrate']) && !empty($info['playtime_seconds'])) { 191 $info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds']; 192 } 193 if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info['quicktime']['video'])) { 194 $info['audio']['bitrate'] = $info['bitrate']; 195 } 196 if (!empty($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'])) { 197 $info['video']['bitrate'] = $info['bitrate'] - $info['audio']['bitrate']; 198 } 199 if (!empty($info['playtime_seconds']) && !isset($info['video']['frame_rate']) && !empty($info['quicktime']['stts_framecount'])) { 200 foreach ($info['quicktime']['stts_framecount'] as $key => $samples_count) { 201 $samples_per_second = $samples_count / $info['playtime_seconds']; 202 if ($samples_per_second > 240) { 203 // has to be audio samples 204 } else { 205 $info['video']['frame_rate'] = $samples_per_second; 206 break; 207 } 208 } 209 } 210 if ($info['audio']['dataformat'] == 'mp4') { 211 $info['fileformat'] = 'mp4'; 212 if (empty($info['video']['resolution_x'])) { 213 $info['mime_type'] = 'audio/mp4'; 214 unset($info['video']['dataformat']); 215 } else { 216 $info['mime_type'] = 'video/mp4'; 217 } 218 } 219 220 if (!$this->ReturnAtomData) { 221 unset($info['quicktime']['moov']); 222 } 223 224 if (empty($info['audio']['dataformat']) && !empty($info['quicktime']['audio'])) { 225 $info['audio']['dataformat'] = 'quicktime'; 226 } 227 if (empty($info['video']['dataformat']) && !empty($info['quicktime']['video'])) { 228 $info['video']['dataformat'] = 'quicktime'; 229 } 230 if (isset($info['video']) && ($info['mime_type'] == 'audio/mp4') && empty($info['video']['resolution_x']) && empty($info['video']['resolution_y'])) { 231 unset($info['video']); 232 } 233 234 return true; 235 } 236 237 /** 238 * @param string $atomname 239 * @param int $atomsize 240 * @param string $atom_data 241 * @param int $baseoffset 242 * @param array $atomHierarchy 243 * @param bool $ParseAllPossibleAtoms 244 * 245 * @return array|false 246 */ 247 public function QuicktimeParseAtom($atomname, $atomsize, $atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { 248 // http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm 249 // https://code.google.com/p/mp4v2/wiki/iTunesMetadata 250 251 $info = &$this->getid3->info; 252 253 $atom_parent = end($atomHierarchy); // not array_pop($atomHierarchy); see https://www.getid3.org/phpBB3/viewtopic.php?t=1717 254 array_push($atomHierarchy, $atomname); 255 $atom_structure = array(); 256 $atom_structure['hierarchy'] = implode(' ', $atomHierarchy); 257 $atom_structure['name'] = $atomname; 258 $atom_structure['size'] = $atomsize; 259 $atom_structure['offset'] = $baseoffset; 260 if (substr($atomname, 0, 3) == "\x00\x00\x00") { 261 // https://github.com/JamesHeinrich/getID3/issues/139 262 $atomname = getid3_lib::BigEndian2Int($atomname); 263 $atom_structure['name'] = $atomname; 264 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 265 } else { 266 switch ($atomname) { 267 case 'moov': // MOVie container atom 268 case 'moof': // MOvie Fragment box 269 case 'trak': // TRAcK container atom 270 case 'traf': // TRAck Fragment box 271 case 'clip': // CLIPping container atom 272 case 'matt': // track MATTe container atom 273 case 'edts': // EDiTS container atom 274 case 'tref': // Track REFerence container atom 275 case 'mdia': // MeDIA container atom 276 case 'minf': // Media INFormation container atom 277 case 'dinf': // Data INFormation container atom 278 case 'nmhd': // Null Media HeaDer container atom 279 case 'udta': // User DaTA container atom 280 case 'cmov': // Compressed MOVie container atom 281 case 'rmra': // Reference Movie Record Atom 282 case 'rmda': // Reference Movie Descriptor Atom 283 case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR) 284 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 285 break; 286 287 case 'ilst': // Item LiST container atom 288 if ($atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms)) { 289 // some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted 290 $allnumericnames = true; 291 foreach ($atom_structure['subatoms'] as $subatomarray) { 292 if (!is_integer($subatomarray['name']) || (count($subatomarray['subatoms']) != 1)) { 293 $allnumericnames = false; 294 break; 295 } 296 } 297 if ($allnumericnames) { 298 $newData = array(); 299 foreach ($atom_structure['subatoms'] as $subatomarray) { 300 foreach ($subatomarray['subatoms'] as $newData_subatomarray) { 301 unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']); 302 $newData[$subatomarray['name']] = $newData_subatomarray; 303 break; 304 } 305 } 306 $atom_structure['data'] = $newData; 307 unset($atom_structure['subatoms']); 308 } 309 } 310 break; 311 312 case 'stbl': // Sample TaBLe container atom 313 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 314 $isVideo = false; 315 $framerate = 0; 316 $framecount = 0; 317 foreach ($atom_structure['subatoms'] as $key => $value_array) { 318 if (isset($value_array['sample_description_table'])) { 319 foreach ($value_array['sample_description_table'] as $key2 => $value_array2) { 320 if (isset($value_array2['data_format'])) { 321 switch ($value_array2['data_format']) { 322 case 'avc1': 323 case 'mp4v': 324 // video data 325 $isVideo = true; 326 break; 327 case 'mp4a': 328 // audio data 329 break; 330 } 331 } 332 } 333 } elseif (isset($value_array['time_to_sample_table'])) { 334 foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) { 335 if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && ($value_array2['sample_duration'] > 0) && !empty($info['quicktime']['time_scale'])) { 336 $framerate = round($info['quicktime']['time_scale'] / $value_array2['sample_duration'], 3); 337 $framecount = $value_array2['sample_count']; 338 } 339 } 340 } 341 } 342 if ($isVideo && $framerate) { 343 $info['quicktime']['video']['frame_rate'] = $framerate; 344 $info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate']; 345 } 346 if ($isVideo && $framecount) { 347 $info['quicktime']['video']['frame_count'] = $framecount; 348 } 349 break; 350 351 352 case "\xA9".'alb': // ALBum 353 case "\xA9".'ART': // 354 case "\xA9".'art': // ARTist 355 case "\xA9".'aut': // 356 case "\xA9".'cmt': // CoMmenT 357 case "\xA9".'com': // COMposer 358 case "\xA9".'cpy': // 359 case "\xA9".'day': // content created year 360 case "\xA9".'dir': // 361 case "\xA9".'ed1': // 362 case "\xA9".'ed2': // 363 case "\xA9".'ed3': // 364 case "\xA9".'ed4': // 365 case "\xA9".'ed5': // 366 case "\xA9".'ed6': // 367 case "\xA9".'ed7': // 368 case "\xA9".'ed8': // 369 case "\xA9".'ed9': // 370 case "\xA9".'enc': // 371 case "\xA9".'fmt': // 372 case "\xA9".'gen': // GENre 373 case "\xA9".'grp': // GRouPing 374 case "\xA9".'hst': // 375 case "\xA9".'inf': // 376 case "\xA9".'lyr': // LYRics 377 case "\xA9".'mak': // 378 case "\xA9".'mod': // 379 case "\xA9".'nam': // full NAMe 380 case "\xA9".'ope': // 381 case "\xA9".'PRD': // 382 case "\xA9".'prf': // 383 case "\xA9".'req': // 384 case "\xA9".'src': // 385 case "\xA9".'swr': // 386 case "\xA9".'too': // encoder 387 case "\xA9".'trk': // TRacK 388 case "\xA9".'url': // 389 case "\xA9".'wrn': // 390 case "\xA9".'wrt': // WRiTer 391 case '----': // itunes specific 392 case 'aART': // Album ARTist 393 case 'akID': // iTunes store account type 394 case 'apID': // Purchase Account 395 case 'atID': // 396 case 'catg': // CaTeGory 397 case 'cmID': // 398 case 'cnID': // 399 case 'covr': // COVeR artwork 400 case 'cpil': // ComPILation 401 case 'cprt': // CoPyRighT 402 case 'desc': // DESCription 403 case 'disk': // DISK number 404 case 'egid': // Episode Global ID 405 case 'geID': // 406 case 'gnre': // GeNRE 407 case 'hdvd': // HD ViDeo 408 case 'keyw': // KEYWord 409 case 'ldes': // Long DEScription 410 case 'pcst': // PodCaST 411 case 'pgap': // GAPless Playback 412 case 'plID': // 413 case 'purd': // PURchase Date 414 case 'purl': // Podcast URL 415 case 'rati': // 416 case 'rndu': // 417 case 'rpdu': // 418 case 'rtng': // RaTiNG 419 case 'sfID': // iTunes store country 420 case 'soaa': // SOrt Album Artist 421 case 'soal': // SOrt ALbum 422 case 'soar': // SOrt ARtist 423 case 'soco': // SOrt COmposer 424 case 'sonm': // SOrt NaMe 425 case 'sosn': // SOrt Show Name 426 case 'stik': // 427 case 'tmpo': // TeMPO (BPM) 428 case 'trkn': // TRacK Number 429 case 'tven': // tvEpisodeID 430 case 'tves': // TV EpiSode 431 case 'tvnn': // TV Network Name 432 case 'tvsh': // TV SHow Name 433 case 'tvsn': // TV SeasoN 434 if ($atom_parent == 'udta') { 435 // User data atom handler 436 $atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); 437 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); 438 $atom_structure['data'] = substr($atom_data, 4); 439 440 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); 441 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { 442 $info['comments']['language'][] = $atom_structure['language']; 443 } 444 } else { 445 // Apple item list box atom handler 446 $atomoffset = 0; 447 if (substr($atom_data, 2, 2) == "\x10\xB5") { 448 // not sure what it means, but observed on iPhone4 data. 449 // Each $atom_data has 2 bytes of datasize, plus 0x10B5, then data 450 while ($atomoffset < strlen($atom_data)) { 451 $boxsmallsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 2)); 452 $boxsmalltype = substr($atom_data, $atomoffset + 2, 2); 453 $boxsmalldata = substr($atom_data, $atomoffset + 4, $boxsmallsize); 454 if ($boxsmallsize <= 1) { 455 $this->warning('Invalid QuickTime atom smallbox size "'.$boxsmallsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset)); 456 $atom_structure['data'] = null; 457 $atomoffset = strlen($atom_data); 458 break; 459 } 460 switch ($boxsmalltype) { 461 case "\x10\xB5": 462 $atom_structure['data'] = $boxsmalldata; 463 break; 464 default: 465 $this->warning('Unknown QuickTime smallbox type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxsmalltype).'" ('.trim(getid3_lib::PrintHexBytes($boxsmalltype)).') at offset '.$baseoffset); 466 $atom_structure['data'] = $atom_data; 467 break; 468 } 469 $atomoffset += (4 + $boxsmallsize); 470 } 471 } else { 472 while ($atomoffset < strlen($atom_data)) { 473 $boxsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 4)); 474 $boxtype = substr($atom_data, $atomoffset + 4, 4); 475 $boxdata = substr($atom_data, $atomoffset + 8, $boxsize - 8); 476 if ($boxsize <= 1) { 477 $this->warning('Invalid QuickTime atom box size "'.$boxsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset)); 478 $atom_structure['data'] = null; 479 $atomoffset = strlen($atom_data); 480 break; 481 } 482 $atomoffset += $boxsize; 483 484 switch ($boxtype) { 485 case 'mean': 486 case 'name': 487 $atom_structure[$boxtype] = substr($boxdata, 4); 488 break; 489 490 case 'data': 491 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($boxdata, 0, 1)); 492 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($boxdata, 1, 3)); 493 switch ($atom_structure['flags_raw']) { 494 case 0: // data flag 495 case 21: // tmpo/cpil flag 496 switch ($atomname) { 497 case 'cpil': 498 case 'hdvd': 499 case 'pcst': 500 case 'pgap': 501 // 8-bit integer (boolean) 502 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); 503 break; 504 505 case 'tmpo': 506 // 16-bit integer 507 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2)); 508 break; 509 510 case 'disk': 511 case 'trkn': 512 // binary 513 $num = getid3_lib::BigEndian2Int(substr($boxdata, 10, 2)); 514 $num_total = getid3_lib::BigEndian2Int(substr($boxdata, 12, 2)); 515 $atom_structure['data'] = empty($num) ? '' : $num; 516 $atom_structure['data'] .= empty($num_total) ? '' : '/'.$num_total; 517 break; 518 519 case 'gnre': 520 // enum 521 $GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); 522 $atom_structure['data'] = getid3_id3v1::LookupGenreName($GenreID - 1); 523 break; 524 525 case 'rtng': 526 // 8-bit integer 527 $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); 528 $atom_structure['data'] = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]); 529 break; 530 531 case 'stik': 532 // 8-bit integer (enum) 533 $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); 534 $atom_structure['data'] = $this->QuicktimeSTIKLookup($atom_structure[$atomname]); 535 break; 536 537 case 'sfID': 538 // 32-bit integer 539 $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); 540 $atom_structure['data'] = $this->QuicktimeStoreFrontCodeLookup($atom_structure[$atomname]); 541 break; 542 543 case 'egid': 544 case 'purl': 545 $atom_structure['data'] = substr($boxdata, 8); 546 break; 547 548 case 'plID': 549 // 64-bit integer 550 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 8)); 551 break; 552 553 case 'covr': 554 $atom_structure['data'] = substr($boxdata, 8); 555 // not a foolproof check, but better than nothing 556 if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) { 557 $atom_structure['image_mime'] = 'image/jpeg'; 558 } elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) { 559 $atom_structure['image_mime'] = 'image/png'; 560 } elseif (preg_match('#^GIF#', $atom_structure['data'])) { 561 $atom_structure['image_mime'] = 'image/gif'; 562 } 563 $info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_structure['data'], 'description'=>'cover'); 564 break; 565 566 case 'atID': 567 case 'cnID': 568 case 'geID': 569 case 'tves': 570 case 'tvsn': 571 default: 572 // 32-bit integer 573 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); 574 } 575 break; 576 577 case 1: // text flag 578 case 13: // image flag 579 default: 580 $atom_structure['data'] = substr($boxdata, 8); 581 if ($atomname == 'covr') { 582 if (!empty($atom_structure['data'])) { 583 $atom_structure['image_mime'] = 'image/unknown'; // provide default MIME type to ensure array keys exist 584 if (function_exists('getimagesizefromstring') && ($getimagesize = getimagesizefromstring($atom_structure['data'])) && !empty($getimagesize['mime'])) { 585 $atom_structure['image_mime'] = $getimagesize['mime']; 586 } else { 587 // if getimagesizefromstring is not available, or fails for some reason, fall back to simple detection of common image formats 588 $ImageFormatSignatures = array( 589 'image/jpeg' => "\xFF\xD8\xFF", 590 'image/png' => "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A", 591 'image/gif' => 'GIF', 592 ); 593 foreach ($ImageFormatSignatures as $mime => $image_format_signature) { 594 if (substr($atom_structure['data'], 0, strlen($image_format_signature)) == $image_format_signature) { 595 $atom_structure['image_mime'] = $mime; 596 break; 597 } 598 } 599 } 600 $info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_structure['data'], 'description'=>'cover'); 601 } else { 602 $this->warning('Unknown empty "covr" image at offset '.$baseoffset); 603 } 604 } 605 break; 606 607 } 608 break; 609 610 default: 611 $this->warning('Unknown QuickTime box type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxtype).'" ('.trim(getid3_lib::PrintHexBytes($boxtype)).') at offset '.$baseoffset); 612 $atom_structure['data'] = $atom_data; 613 614 } 615 } 616 } 617 } 618 $this->CopyToAppropriateCommentsSection($atomname, $atom_structure['data'], $atom_structure['name']); 619 break; 620 621 622 case 'play': // auto-PLAY atom 623 $atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 624 625 $info['quicktime']['autoplay'] = $atom_structure['autoplay']; 626 break; 627 628 629 case 'WLOC': // Window LOCation atom 630 $atom_structure['location_x'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); 631 $atom_structure['location_y'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); 632 break; 633 634 635 case 'LOOP': // LOOPing atom 636 case 'SelO': // play SELection Only atom 637 case 'AllF': // play ALL Frames atom 638 $atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data); 639 break; 640 641 642 case 'name': // 643 case 'MCPS': // Media Cleaner PRo 644 case '@PRM': // adobe PReMiere version 645 case '@PRQ': // adobe PRemiere Quicktime version 646 $atom_structure['data'] = $atom_data; 647 break; 648 649 650 case 'cmvd': // Compressed MooV Data atom 651 // Code by ubergeekØubergeek*tv based on information from 652 // http://developer.apple.com/quicktime/icefloe/dispatch012.html 653 $atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 654 655 $CompressedFileData = substr($atom_data, 4); 656 if ($UncompressedHeader = @gzuncompress($CompressedFileData)) { 657 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, 0, $atomHierarchy, $ParseAllPossibleAtoms); 658 } else { 659 $this->warning('Error decompressing compressed MOV atom at offset '.$atom_structure['offset']); 660 } 661 break; 662 663 664 case 'dcom': // Data COMpression atom 665 $atom_structure['compression_id'] = $atom_data; 666 $atom_structure['compression_text'] = $this->QuicktimeDCOMLookup($atom_data); 667 break; 668 669 670 case 'rdrf': // Reference movie Data ReFerence 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)); 673 $atom_structure['flags']['internal_data'] = (bool) ($atom_structure['flags_raw'] & 0x000001); 674 675 $atom_structure['reference_type_name'] = substr($atom_data, 4, 4); 676 $atom_structure['reference_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 677 switch ($atom_structure['reference_type_name']) { 678 case 'url ': 679 $atom_structure['url'] = $this->NoNullString(substr($atom_data, 12)); 680 break; 681 682 case 'alis': 683 $atom_structure['file_alias'] = substr($atom_data, 12); 684 break; 685 686 case 'rsrc': 687 $atom_structure['resource_alias'] = substr($atom_data, 12); 688 break; 689 690 default: 691 $atom_structure['data'] = substr($atom_data, 12); 692 break; 693 } 694 break; 695 696 697 case 'rmqu': // Reference Movie QUality atom 698 $atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data); 699 break; 700 701 702 case 'rmcs': // Reference Movie Cpu Speed atom 703 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 704 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 705 $atom_structure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 706 break; 707 708 709 case 'rmvc': // Reference Movie Version Check atom 710 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 711 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 712 $atom_structure['gestalt_selector'] = substr($atom_data, 4, 4); 713 $atom_structure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 714 $atom_structure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 715 $atom_structure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); 716 break; 717 718 719 case 'rmcd': // Reference Movie Component check atom 720 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 721 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 722 $atom_structure['component_type'] = substr($atom_data, 4, 4); 723 $atom_structure['component_subtype'] = substr($atom_data, 8, 4); 724 $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); 725 $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 726 $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); 727 $atom_structure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 4)); 728 break; 729 730 731 case 'rmdr': // Reference Movie Data Rate atom 732 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 733 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 734 $atom_structure['data_rate'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 735 736 $atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10; 737 break; 738 739 740 case 'rmla': // Reference Movie Language Atom 741 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 742 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 743 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 744 745 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); 746 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { 747 $info['comments']['language'][] = $atom_structure['language']; 748 } 749 break; 750 751 752 case 'ptv ': // Print To Video - defines a movie's full screen mode 753 // http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm 754 $atom_structure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); 755 $atom_structure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); // hardcoded: 0x0000 756 $atom_structure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x0000 757 $atom_structure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 1)); 758 $atom_structure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 7, 1)); 759 760 $atom_structure['flags']['play_on_open'] = (bool) $atom_structure['play_on_open_flag']; 761 $atom_structure['flags']['slide_show'] = (bool) $atom_structure['slide_show_flag']; 762 763 $ptv_lookup = array( 764 0 => 'normal', 765 1 => 'double', 766 2 => 'half', 767 3 => 'full', 768 4 => 'current' 769 ); 770 if (isset($ptv_lookup[$atom_structure['display_size_raw']])) { 771 $atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']]; 772 } else { 773 $this->warning('unknown "ptv " display constant ('.$atom_structure['display_size_raw'].')'); 774 } 775 break; 776 777 778 case 'stsd': // Sample Table Sample Description atom 779 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); // hardcoded: 0x00 780 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x000000 781 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 782 783 // see: https://github.com/JamesHeinrich/getID3/issues/111 784 // Some corrupt files have been known to have high bits set in the number_entries field 785 // This field shouldn't really need to be 32-bits, values stores are likely in the range 1-100000 786 // Workaround: mask off the upper byte and throw a warning if it's nonzero 787 if ($atom_structure['number_entries'] > 0x000FFFFF) { 788 if ($atom_structure['number_entries'] > 0x00FFFFFF) { 789 $this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($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)); 790 $atom_structure['number_entries'] = ($atom_structure['number_entries'] & 0x00FFFFFF); 791 } else { 792 $this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($atom_data, 4, 4), true, false).' = '.$atom_structure['number_entries'].'), probably in error. Please report this to info@getid3.org referencing bug report #111'); 793 } 794 } 795 796 $stsdEntriesDataOffset = 8; 797 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 798 $atom_structure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 4)); 799 $stsdEntriesDataOffset += 4; 800 $atom_structure['sample_description_table'][$i]['data_format'] = substr($atom_data, $stsdEntriesDataOffset, 4); 801 $stsdEntriesDataOffset += 4; 802 $atom_structure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 6)); 803 $stsdEntriesDataOffset += 6; 804 $atom_structure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 2)); 805 $stsdEntriesDataOffset += 2; 806 $atom_structure['sample_description_table'][$i]['data'] = substr($atom_data, $stsdEntriesDataOffset, ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2)); 807 $stsdEntriesDataOffset += ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2); 808 if (substr($atom_structure['sample_description_table'][$i]['data'], 1, 54) == 'application/octet-stream;type=com.parrot.videometadata') { 809 // special handling for apparently-malformed (TextMetaDataSampleEntry?) data for some version of Parrot drones 810 $atom_structure['sample_description_table'][$i]['parrot_frame_metadata']['mime_type'] = substr($atom_structure['sample_description_table'][$i]['data'], 1, 55); 811 $atom_structure['sample_description_table'][$i]['parrot_frame_metadata']['metadata_version'] = (int) substr($atom_structure['sample_description_table'][$i]['data'], 55, 1); 812 unset($atom_structure['sample_description_table'][$i]['data']); 813 $this->warning('incomplete/incorrect handling of "stsd" with Parrot metadata in this version of getID3() ['.$this->getid3->version().']'); 814 continue; 815 } 816 817 $atom_structure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 0, 2)); 818 $atom_structure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 2, 2)); 819 $atom_structure['sample_description_table'][$i]['encoder_vendor'] = substr($atom_structure['sample_description_table'][$i]['data'], 4, 4); 820 821 switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) { 822 823 case "\x00\x00\x00\x00": 824 // audio tracks 825 $atom_structure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 2)); 826 $atom_structure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 10, 2)); 827 $atom_structure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 2)); 828 $atom_structure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 14, 2)); 829 $atom_structure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16, 4)); 830 831 // video tracks 832 // http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap3/qtff3.html 833 $atom_structure['sample_description_table'][$i]['temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); 834 $atom_structure['sample_description_table'][$i]['spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); 835 $atom_structure['sample_description_table'][$i]['width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); 836 $atom_structure['sample_description_table'][$i]['height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); 837 $atom_structure['sample_description_table'][$i]['resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); 838 $atom_structure['sample_description_table'][$i]['resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); 839 $atom_structure['sample_description_table'][$i]['data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 4)); 840 $atom_structure['sample_description_table'][$i]['frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 36, 2)); 841 $atom_structure['sample_description_table'][$i]['compressor_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 38, 4); 842 $atom_structure['sample_description_table'][$i]['pixel_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 42, 2)); 843 $atom_structure['sample_description_table'][$i]['color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 44, 2)); 844 845 switch ($atom_structure['sample_description_table'][$i]['data_format']) { 846 case '2vuY': 847 case 'avc1': 848 case 'cvid': 849 case 'dvc ': 850 case 'dvcp': 851 case 'gif ': 852 case 'h263': 853 case 'hvc1': 854 case 'jpeg': 855 case 'kpcd': 856 case 'mjpa': 857 case 'mjpb': 858 case 'mp4v': 859 case 'png ': 860 case 'raw ': 861 case 'rle ': 862 case 'rpza': 863 case 'smc ': 864 case 'SVQ1': 865 case 'SVQ3': 866 case 'tiff': 867 case 'v210': 868 case 'v216': 869 case 'v308': 870 case 'v408': 871 case 'v410': 872 case 'yuv2': 873 $info['fileformat'] = 'mp4'; 874 $info['video']['fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; 875 if ($this->QuicktimeVideoCodecLookup($info['video']['fourcc'])) { 876 $info['video']['fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($info['video']['fourcc']); 877 } 878 879 // https://www.getid3.org/phpBB3/viewtopic.php?t=1550 880 //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 881 if (!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['height'])) { 882 // assume that values stored here are more important than values stored in [tkhd] atom 883 $info['video']['resolution_x'] = $atom_structure['sample_description_table'][$i]['width']; 884 $info['video']['resolution_y'] = $atom_structure['sample_description_table'][$i]['height']; 885 $info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x']; 886 $info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y']; 887 } 888 break; 889 890 case 'qtvr': 891 $info['video']['dataformat'] = 'quicktimevr'; 892 break; 893 894 case 'mp4a': 895 $atom_structure['sample_description_table'][$i]['subatoms'] = $this->QuicktimeParseContainerAtom(substr($atom_structure['sample_description_table'][$i]['data'], 20), $baseoffset + $stsdEntriesDataOffset - 20 - 16, $atomHierarchy, $ParseAllPossibleAtoms); 896 897 $info['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); 898 $info['quicktime']['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate']; 899 $info['quicktime']['audio']['channels'] = $atom_structure['sample_description_table'][$i]['audio_channels']; 900 $info['quicktime']['audio']['bit_depth'] = $atom_structure['sample_description_table'][$i]['audio_bit_depth']; 901 $info['audio']['codec'] = $info['quicktime']['audio']['codec']; 902 $info['audio']['sample_rate'] = $info['quicktime']['audio']['sample_rate']; 903 $info['audio']['channels'] = $info['quicktime']['audio']['channels']; 904 $info['audio']['bits_per_sample'] = $info['quicktime']['audio']['bit_depth']; 905 switch ($atom_structure['sample_description_table'][$i]['data_format']) { 906 case 'raw ': // PCM 907 case 'alac': // Apple Lossless Audio Codec 908 case 'sowt': // signed/two's complement (Little Endian) 909 case 'twos': // signed/two's complement (Big Endian) 910 case 'in24': // 24-bit Integer 911 case 'in32': // 32-bit Integer 912 case 'fl32': // 32-bit Floating Point 913 case 'fl64': // 64-bit Floating Point 914 $info['audio']['lossless'] = $info['quicktime']['audio']['lossless'] = true; 915 $info['audio']['bitrate'] = $info['quicktime']['audio']['bitrate'] = $info['audio']['channels'] * $info['audio']['bits_per_sample'] * $info['audio']['sample_rate']; 916 break; 917 default: 918 $info['audio']['lossless'] = false; 919 break; 920 } 921 break; 922 923 default: 924 break; 925 } 926 break; 927 928 default: 929 switch ($atom_structure['sample_description_table'][$i]['data_format']) { 930 case 'mp4s': 931 $info['fileformat'] = 'mp4'; 932 break; 933 934 default: 935 // video atom 936 $atom_structure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); 937 $atom_structure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); 938 $atom_structure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); 939 $atom_structure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); 940 $atom_structure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20, 4)); 941 $atom_structure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); 942 $atom_structure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); 943 $atom_structure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 2)); 944 $atom_structure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 34, 1)); 945 $atom_structure['sample_description_table'][$i]['video_encoder_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']); 946 $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66, 2)); 947 $atom_structure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68, 2)); 948 949 $atom_structure['sample_description_table'][$i]['video_pixel_color_type'] = (((int) $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color'); 950 $atom_structure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']); 951 952 if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') { 953 $info['quicktime']['video']['codec_fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; 954 $info['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); 955 $info['quicktime']['video']['codec'] = (((int) $atom_structure['sample_description_table'][$i]['video_encoder_name_len'] > 0) ? $atom_structure['sample_description_table'][$i]['video_encoder_name'] : $atom_structure['sample_description_table'][$i]['data_format']); 956 $info['quicktime']['video']['color_depth'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth']; 957 $info['quicktime']['video']['color_depth_name'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_name']; 958 959 $info['video']['codec'] = $info['quicktime']['video']['codec']; 960 $info['video']['bits_per_sample'] = $info['quicktime']['video']['color_depth']; 961 } 962 $info['video']['lossless'] = false; 963 $info['video']['pixel_aspect_ratio'] = (float) 1; 964 break; 965 } 966 break; 967 } 968 switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) { 969 case 'mp4a': 970 $info['audio']['dataformat'] = 'mp4'; 971 $info['quicktime']['audio']['codec'] = 'mp4'; 972 break; 973 974 case '3ivx': 975 case '3iv1': 976 case '3iv2': 977 $info['video']['dataformat'] = '3ivx'; 978 break; 979 980 case 'xvid': 981 $info['video']['dataformat'] = 'xvid'; 982 break; 983 984 case 'mp4v': 985 $info['video']['dataformat'] = 'mpeg4'; 986 break; 987 988 case 'divx': 989 case 'div1': 990 case 'div2': 991 case 'div3': 992 case 'div4': 993 case 'div5': 994 case 'div6': 995 $info['video']['dataformat'] = 'divx'; 996 break; 997 998 default: 999 // do nothing 1000 break; 1001 } 1002 unset($atom_structure['sample_description_table'][$i]['data']); 1003 } 1004 break; 1005 1006 1007 case 'stts': // Sample Table Time-to-Sample atom 1008 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1009 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1010 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1011 $sttsEntriesDataOffset = 8; 1012 //$FrameRateCalculatorArray = array(); 1013 $frames_count = 0; 1014 1015 $max_stts_entries_to_scan = ($info['php_memory_limit'] ? min(floor($this->getid3->memory_limit / 10000), $atom_structure['number_entries']) : $atom_structure['number_entries']); 1016 if ($max_stts_entries_to_scan < $atom_structure['number_entries']) { 1017 $this->warning('QuickTime atom "stts" has '.$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).'); 1018 } 1019 for ($i = 0; $i < $max_stts_entries_to_scan; $i++) { 1020 $atom_structure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); 1021 $sttsEntriesDataOffset += 4; 1022 $atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); 1023 $sttsEntriesDataOffset += 4; 1024 1025 $frames_count += $atom_structure['time_to_sample_table'][$i]['sample_count']; 1026 1027 // THIS SECTION REPLACED WITH CODE IN "stbl" ATOM 1028 //if (!empty($info['quicktime']['time_scale']) && ($atom_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) { 1029 // $stts_new_framerate = $info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration']; 1030 // if ($stts_new_framerate <= 60) { 1031 // // some atoms have durations of "1" giving a very large framerate, which probably is not right 1032 // $info['video']['frame_rate'] = max($info['video']['frame_rate'], $stts_new_framerate); 1033 // } 1034 //} 1035 // 1036 //$FrameRateCalculatorArray[($info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count']; 1037 } 1038 $info['quicktime']['stts_framecount'][] = $frames_count; 1039 //$sttsFramesTotal = 0; 1040 //$sttsSecondsTotal = 0; 1041 //foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) { 1042 // if (($frames_per_second > 60) || ($frames_per_second < 1)) { 1043 // // not video FPS information, probably audio information 1044 // $sttsFramesTotal = 0; 1045 // $sttsSecondsTotal = 0; 1046 // break; 1047 // } 1048 // $sttsFramesTotal += $frame_count; 1049 // $sttsSecondsTotal += $frame_count / $frames_per_second; 1050 //} 1051 //if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) { 1052 // if (($sttsFramesTotal / $sttsSecondsTotal) > $info['video']['frame_rate']) { 1053 // $info['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal; 1054 // } 1055 //} 1056 break; 1057 1058 1059 case 'stss': // Sample Table Sync Sample (key frames) atom 1060 if ($ParseAllPossibleAtoms) { 1061 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1062 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1063 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1064 $stssEntriesDataOffset = 8; 1065 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1066 $atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stssEntriesDataOffset, 4)); 1067 $stssEntriesDataOffset += 4; 1068 } 1069 } 1070 break; 1071 1072 1073 case 'stsc': // Sample Table Sample-to-Chunk atom 1074 if ($ParseAllPossibleAtoms) { 1075 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1076 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1077 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1078 $stscEntriesDataOffset = 8; 1079 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1080 $atom_structure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); 1081 $stscEntriesDataOffset += 4; 1082 $atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); 1083 $stscEntriesDataOffset += 4; 1084 $atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); 1085 $stscEntriesDataOffset += 4; 1086 } 1087 } 1088 break; 1089 1090 1091 case 'stsz': // Sample Table SiZe atom 1092 if ($ParseAllPossibleAtoms) { 1093 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1094 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1095 $atom_structure['sample_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1096 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1097 $stszEntriesDataOffset = 12; 1098 if ($atom_structure['sample_size'] == 0) { 1099 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1100 $atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4)); 1101 $stszEntriesDataOffset += 4; 1102 } 1103 } 1104 } 1105 break; 1106 1107 1108 case 'stco': // Sample Table Chunk Offset atom 1109 // if (true) { 1110 if ($ParseAllPossibleAtoms) { 1111 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1112 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1113 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1114 $stcoEntriesDataOffset = 8; 1115 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1116 $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4)); 1117 $stcoEntriesDataOffset += 4; 1118 } 1119 } 1120 break; 1121 1122 1123 case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files) 1124 if ($ParseAllPossibleAtoms) { 1125 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1126 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1127 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1128 $stcoEntriesDataOffset = 8; 1129 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1130 $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8)); 1131 $stcoEntriesDataOffset += 8; 1132 } 1133 } 1134 break; 1135 1136 1137 case 'dref': // Data REFerence atom 1138 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1139 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1140 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1141 $drefDataOffset = 8; 1142 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1143 $atom_structure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 4)); 1144 $drefDataOffset += 4; 1145 $atom_structure['data_references'][$i]['type'] = substr($atom_data, $drefDataOffset, 4); 1146 $drefDataOffset += 4; 1147 $atom_structure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 1)); 1148 $drefDataOffset += 1; 1149 $atom_structure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 3)); // hardcoded: 0x0000 1150 $drefDataOffset += 3; 1151 $atom_structure['data_references'][$i]['data'] = substr($atom_data, $drefDataOffset, ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3)); 1152 $drefDataOffset += ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3); 1153 1154 $atom_structure['data_references'][$i]['flags']['self_reference'] = (bool) ($atom_structure['data_references'][$i]['flags_raw'] & 0x001); 1155 } 1156 break; 1157 1158 1159 case 'gmin': // base Media INformation atom 1160 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1161 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1162 $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 1163 $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); 1164 $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); 1165 $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); 1166 $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 2)); 1167 $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); 1168 break; 1169 1170 1171 case 'smhd': // Sound Media information HeaDer atom 1172 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1173 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1174 $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 1175 $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); 1176 break; 1177 1178 1179 case 'vmhd': // Video Media information HeaDer atom 1180 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1181 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1182 $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 1183 $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); 1184 $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); 1185 $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); 1186 1187 $atom_structure['flags']['no_lean_ahead'] = (bool) ($atom_structure['flags_raw'] & 0x001); 1188 break; 1189 1190 1191 case 'hdlr': // HanDLeR reference atom 1192 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1193 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1194 $atom_structure['component_type'] = substr($atom_data, 4, 4); 1195 $atom_structure['component_subtype'] = substr($atom_data, 8, 4); 1196 $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); 1197 $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1198 $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); 1199 $atom_structure['component_name'] = $this->MaybePascal2String(substr($atom_data, 24)); 1200 1201 if (($atom_structure['component_subtype'] == 'STpn') && ($atom_structure['component_manufacturer'] == 'zzzz')) { 1202 $info['video']['dataformat'] = 'quicktimevr'; 1203 } 1204 break; 1205 1206 1207 case 'mdhd': // MeDia HeaDer atom 1208 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1209 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1210 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1211 $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1212 $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1213 $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1214 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 2)); 1215 $atom_structure['quality'] = getid3_lib::BigEndian2Int(substr($atom_data, 22, 2)); 1216 1217 if ($atom_structure['time_scale'] == 0) { 1218 $this->error('Corrupt Quicktime file: mdhd.time_scale == zero'); 1219 return false; 1220 } 1221 $info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']); 1222 1223 $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); 1224 $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); 1225 $atom_structure['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; 1226 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); 1227 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { 1228 $info['comments']['language'][] = $atom_structure['language']; 1229 } 1230 $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; 1231 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; 1232 break; 1233 1234 1235 case 'pnot': // Preview atom 1236 $atom_structure['modification_date'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // "standard Macintosh format" 1237 $atom_structure['version_number'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x00 1238 $atom_structure['atom_type'] = substr($atom_data, 6, 4); // usually: 'PICT' 1239 $atom_structure['atom_index'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); // usually: 0x01 1240 1241 $atom_structure['modification_date_unix'] = getid3_lib::DateMac2Unix($atom_structure['modification_date']); 1242 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modification_date_unix']; 1243 break; 1244 1245 1246 case 'crgn': // Clipping ReGioN atom 1247 $atom_structure['region_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); // The Region size, Region boundary box, 1248 $atom_structure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 8)); // and Clipping region data fields 1249 $atom_structure['clipping_data'] = substr($atom_data, 10); // constitute a QuickDraw region. 1250 break; 1251 1252 1253 case 'load': // track LOAD settings atom 1254 $atom_structure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 1255 $atom_structure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1256 $atom_structure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1257 $atom_structure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1258 1259 $atom_structure['default_hints']['double_buffer'] = (bool) ($atom_structure['default_hints_raw'] & 0x0020); 1260 $atom_structure['default_hints']['high_quality'] = (bool) ($atom_structure['default_hints_raw'] & 0x0100); 1261 break; 1262 1263 1264 case 'tmcd': // TiMe CoDe atom 1265 case 'chap': // CHAPter list atom 1266 case 'sync': // SYNChronization atom 1267 case 'scpt': // tranSCriPT atom 1268 case 'ssrc': // non-primary SouRCe atom 1269 for ($i = 0; $i < strlen($atom_data); $i += 4) { 1270 @$atom_structure['track_id'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); 1271 } 1272 break; 1273 1274 1275 case 'elst': // Edit LiST atom 1276 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1277 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1278 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1279 for ($i = 0; $i < $atom_structure['number_entries']; $i++ ) { 1280 $atom_structure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 0, 4)); 1281 $atom_structure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 4, 4)); 1282 $atom_structure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 8 + ($i * 12) + 8, 4)); 1283 } 1284 break; 1285 1286 1287 case 'kmat': // compressed MATte atom 1288 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1289 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1290 $atom_structure['matte_data_raw'] = substr($atom_data, 4); 1291 break; 1292 1293 1294 case 'ctab': // Color TABle atom 1295 $atom_structure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // hardcoded: 0x00000000 1296 $atom_structure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x8000 1297 $atom_structure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)) + 1; 1298 for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) { 1299 $atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 0, 2)); 1300 $atom_structure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 2, 2)); 1301 $atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 4, 2)); 1302 $atom_structure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 6, 2)); 1303 } 1304 break; 1305 1306 1307 case 'mvhd': // MoVie HeaDer atom 1308 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1309 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1310 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1311 $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1312 $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1313 $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1314 $atom_structure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 20, 4)); 1315 $atom_structure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 24, 2)); 1316 $atom_structure['reserved'] = substr($atom_data, 26, 10); 1317 $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 36, 4)); 1318 $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); 1319 $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 44, 4)); 1320 $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4)); 1321 $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); 1322 $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 56, 4)); 1323 $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4)); 1324 $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); 1325 $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4)); 1326 $atom_structure['preview_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 72, 4)); 1327 $atom_structure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 76, 4)); 1328 $atom_structure['poster_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 80, 4)); 1329 $atom_structure['selection_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 84, 4)); 1330 $atom_structure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 88, 4)); 1331 $atom_structure['current_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 92, 4)); 1332 $atom_structure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 96, 4)); 1333 1334 if ($atom_structure['time_scale'] == 0) { 1335 $this->error('Corrupt Quicktime file: mvhd.time_scale == zero'); 1336 return false; 1337 } 1338 $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); 1339 $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); 1340 $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; 1341 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; 1342 $info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']); 1343 $info['quicktime']['display_scale'] = $atom_structure['matrix_a']; 1344 $info['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; 1345 break; 1346 1347 1348 case 'tkhd': // TracK HeaDer atom 1349 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1350 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1351 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1352 $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1353 $atom_structure['trackid'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1354 $atom_structure['reserved1'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1355 $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); 1356 $atom_structure['reserved2'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 8)); 1357 $atom_structure['layer'] = getid3_lib::BigEndian2Int(substr($atom_data, 32, 2)); 1358 $atom_structure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atom_data, 34, 2)); 1359 $atom_structure['volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 36, 2)); 1360 $atom_structure['reserved3'] = getid3_lib::BigEndian2Int(substr($atom_data, 38, 2)); 1361 // http://developer.apple.com/library/mac/#documentation/QuickTime/RM/MovieBasics/MTEditing/K-Chapter/11MatrixFunctions.html 1362 // http://developer.apple.com/library/mac/#documentation/QuickTime/qtff/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-18737 1363 $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); 1364 $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 44, 4)); 1365 $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 48, 4)); 1366 $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); 1367 $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 56, 4)); 1368 $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 60, 4)); 1369 $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); 1370 $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 68, 4)); 1371 $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 72, 4)); 1372 $atom_structure['width'] = getid3_lib::FixedPoint16_16(substr($atom_data, 76, 4)); 1373 $atom_structure['height'] = getid3_lib::FixedPoint16_16(substr($atom_data, 80, 4)); 1374 $atom_structure['flags']['enabled'] = (bool) ($atom_structure['flags_raw'] & 0x0001); 1375 $atom_structure['flags']['in_movie'] = (bool) ($atom_structure['flags_raw'] & 0x0002); 1376 $atom_structure['flags']['in_preview'] = (bool) ($atom_structure['flags_raw'] & 0x0004); 1377 $atom_structure['flags']['in_poster'] = (bool) ($atom_structure['flags_raw'] & 0x0008); 1378 $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); 1379 $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); 1380 $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; 1381 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; 1382 1383 // https://www.getid3.org/phpBB3/viewtopic.php?t=1908 1384 // attempt to compute rotation from matrix values 1385 // 2017-Dec-28: uncertain if 90/270 are correctly oriented; values returned by FixedPoint16_16 should perhaps be -1 instead of 65535(?) 1386 $matrixRotation = 0; 1387 switch ($atom_structure['matrix_a'].':'.$atom_structure['matrix_b'].':'.$atom_structure['matrix_c'].':'.$atom_structure['matrix_d']) { 1388 case '1:0:0:1': $matrixRotation = 0; break; 1389 case '0:1:65535:0': $matrixRotation = 90; break; 1390 case '65535:0:0:65535': $matrixRotation = 180; break; 1391 case '0:65535:1:0': $matrixRotation = 270; break; 1392 default: break; 1393 } 1394 1395 // https://www.getid3.org/phpBB3/viewtopic.php?t=2468 1396 // The rotation matrix can appear in the Quicktime file multiple times, at least once for each track, 1397 // and it's possible that only the video track (or, in theory, one of the video tracks) is flagged as 1398 // rotated while the other tracks (e.g. audio) is tagged as rotation=0 (behavior noted on iPhone 8 Plus) 1399 // The correct solution would be to check if the TrackID associated with the rotation matrix is indeed 1400 // a video track (or the main video track) and only set the rotation then, but since information about 1401 // what track is what is not trivially there to be examined, the lazy solution is to set the rotation 1402 // if it is found to be nonzero, on the assumption that tracks that don't need it will have rotation set 1403 // to zero (and be effectively ignored) and the video track will have rotation set correctly, which will 1404 // either be zero and automatically correct, or nonzero and be set correctly. 1405 if (!isset($info['video']['rotate']) || (($info['video']['rotate'] == 0) && ($matrixRotation > 0))) { 1406 $info['quicktime']['video']['rotate'] = $info['video']['rotate'] = $matrixRotation; 1407 } 1408 1409 if ($atom_structure['flags']['enabled'] == 1) { 1410 if (!isset($info['video']['resolution_x']) || !isset($info['video']['resolution_y'])) { 1411 $info['video']['resolution_x'] = $atom_structure['width']; 1412 $info['video']['resolution_y'] = $atom_structure['height']; 1413 } 1414 $info['video']['resolution_x'] = max($info['video']['resolution_x'], $atom_structure['width']); 1415 $info['video']['resolution_y'] = max($info['video']['resolution_y'], $atom_structure['height']); 1416 $info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x']; 1417 $info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y']; 1418 } else { 1419 // see: https://www.getid3.org/phpBB3/viewtopic.php?t=1295 1420 //if (isset($info['video']['resolution_x'])) { unset($info['video']['resolution_x']); } 1421 //if (isset($info['video']['resolution_y'])) { unset($info['video']['resolution_y']); } 1422 //if (isset($info['quicktime']['video'])) { unset($info['quicktime']['video']); } 1423 } 1424 break; 1425 1426 1427 case 'iods': // Initial Object DeScriptor atom 1428 // http://www.koders.com/c/fid1FAB3E762903DC482D8A246D4A4BF9F28E049594.aspx?s=windows.h 1429 // http://libquicktime.sourcearchive.com/documentation/1.0.2plus-pdebian/iods_8c-source.html 1430 $offset = 0; 1431 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1432 $offset += 1; 1433 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 3)); 1434 $offset += 3; 1435 $atom_structure['mp4_iod_tag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1436 $offset += 1; 1437 $atom_structure['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); 1438 //$offset already adjusted by quicktime_read_mp4_descr_length() 1439 $atom_structure['object_descriptor_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); 1440 $offset += 2; 1441 $atom_structure['od_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1442 $offset += 1; 1443 $atom_structure['scene_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1444 $offset += 1; 1445 $atom_structure['audio_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1446 $offset += 1; 1447 $atom_structure['video_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1448 $offset += 1; 1449 $atom_structure['graphics_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1450 $offset += 1; 1451 1452 $atom_structure['num_iods_tracks'] = ($atom_structure['length'] - 7) / 6; // 6 bytes would only be right if all tracks use 1-byte length fields 1453 for ($i = 0; $i < $atom_structure['num_iods_tracks']; $i++) { 1454 $atom_structure['track'][$i]['ES_ID_IncTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1455 $offset += 1; 1456 $atom_structure['track'][$i]['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); 1457 //$offset already adjusted by quicktime_read_mp4_descr_length() 1458 $atom_structure['track'][$i]['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4)); 1459 $offset += 4; 1460 } 1461 1462 $atom_structure['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']); 1463 $atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']); 1464 break; 1465 1466 case 'ftyp': // FileTYPe (?) atom (for MP4 it seems) 1467 $atom_structure['signature'] = substr($atom_data, 0, 4); 1468 $atom_structure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1469 $atom_structure['fourcc'] = substr($atom_data, 8, 4); 1470 break; 1471 1472 case 'mdat': // Media DATa atom 1473 // 'mdat' contains the actual data for the audio/video, possibly also subtitles 1474 1475 /* 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 */ 1476 1477 // first, skip any 'wide' padding, and second 'mdat' header (with specified size of zero?) 1478 $mdat_offset = 0; 1479 while (true) { 1480 if (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x08".'wide') { 1481 $mdat_offset += 8; 1482 } elseif (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x00".'mdat') { 1483 $mdat_offset += 8; 1484 } else { 1485 break; 1486 } 1487 } 1488 if (substr($atom_data, $mdat_offset, 4) == 'GPRO') { 1489 $GOPRO_chunk_length = getid3_lib::LittleEndian2Int(substr($atom_data, $mdat_offset + 4, 4)); 1490 $GOPRO_offset = 8; 1491 $atom_structure['GPRO']['raw'] = substr($atom_data, $mdat_offset + 8, $GOPRO_chunk_length - 8); 1492 $atom_structure['GPRO']['firmware'] = substr($atom_structure['GPRO']['raw'], 0, 15); 1493 $atom_structure['GPRO']['unknown1'] = substr($atom_structure['GPRO']['raw'], 15, 16); 1494 $atom_structure['GPRO']['unknown2'] = substr($atom_structure['GPRO']['raw'], 31, 32); 1495 $atom_structure['GPRO']['unknown3'] = substr($atom_structure['GPRO']['raw'], 63, 16); 1496 $atom_structure['GPRO']['camera'] = substr($atom_structure['GPRO']['raw'], 79, 32); 1497 $info['quicktime']['camera']['model'] = rtrim($atom_structure['GPRO']['camera'], "\x00"); 1498 } 1499 1500 // check to see if it looks like chapter titles, in the form of unterminated strings with a leading 16-bit size field 1501 while (($mdat_offset < (strlen($atom_data) - 8)) 1502 && ($chapter_string_length = getid3_lib::BigEndian2Int(substr($atom_data, $mdat_offset, 2))) 1503 && ($chapter_string_length < 1000) 1504 && ($chapter_string_length <= (strlen($atom_data) - $mdat_offset - 2)) 1505 && preg_match('#^([\x00-\xFF]{2})([\x20-\xFF]+)$#', substr($atom_data, $mdat_offset, $chapter_string_length + 2), $chapter_matches)) { 1506 list($dummy, $chapter_string_length_hex, $chapter_string) = $chapter_matches; 1507 $mdat_offset += (2 + $chapter_string_length); 1508 @$info['quicktime']['comments']['chapters'][] = $chapter_string; 1509 1510 // "encd" atom specifies encoding. In theory could be anything, almost always UTF-8, but may be UTF-16 with BOM (not currently handled) 1511 if (substr($atom_data, $mdat_offset, 12) == "\x00\x00\x00\x0C\x65\x6E\x63\x64\x00\x00\x01\x00") { // UTF-8 1512 $mdat_offset += 12; 1513 } 1514 } 1515 1516 if (($atomsize > 8) && (!isset($info['avdataend_tmp']) || ($info['quicktime'][$atomname]['size'] > ($info['avdataend_tmp'] - $info['avdataoffset'])))) { 1517 1518 $info['avdataoffset'] = $atom_structure['offset'] + 8; // $info['quicktime'][$atomname]['offset'] + 8; 1519 $OldAVDataEnd = $info['avdataend']; 1520 $info['avdataend'] = $atom_structure['offset'] + $atom_structure['size']; // $info['quicktime'][$atomname]['offset'] + $info['quicktime'][$atomname]['size']; 1521 1522 $getid3_temp = new getID3(); 1523 $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); 1524 $getid3_temp->info['avdataoffset'] = $info['avdataoffset']; 1525 $getid3_temp->info['avdataend'] = $info['avdataend']; 1526 $getid3_mp3 = new getid3_mp3($getid3_temp); 1527 if ($getid3_mp3->MPEGaudioHeaderValid($getid3_mp3->MPEGaudioHeaderDecode($this->fread(4)))) { 1528 $getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false); 1529 if (!empty($getid3_temp->info['warning'])) { 1530 foreach ($getid3_temp->info['warning'] as $value) { 1531 $this->warning($value); 1532 } 1533 } 1534 if (!empty($getid3_temp->info['mpeg'])) { 1535 $info['mpeg'] = $getid3_temp->info['mpeg']; 1536 if (isset($info['mpeg']['audio'])) { 1537 $info['audio']['dataformat'] = 'mp3'; 1538 $info['audio']['codec'] = (!empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' :'mp3'))); 1539 $info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate']; 1540 $info['audio']['channels'] = $info['mpeg']['audio']['channels']; 1541 $info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate']; 1542 $info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']); 1543 $info['bitrate'] = $info['audio']['bitrate']; 1544 } 1545 } 1546 } 1547 unset($getid3_mp3, $getid3_temp); 1548 $info['avdataend'] = $OldAVDataEnd; 1549 unset($OldAVDataEnd); 1550 1551 } 1552 1553 unset($mdat_offset, $chapter_string_length, $chapter_matches); 1554 break; 1555 1556 case 'ID32': // ID3v2 1557 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true); 1558 1559 $getid3_temp = new getID3(); 1560 $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); 1561 $getid3_id3v2 = new getid3_id3v2($getid3_temp); 1562 $getid3_id3v2->StartingOffset = $atom_structure['offset'] + 14; // framelength(4)+framename(4)+flags(4)+??(2) 1563 if ($atom_structure['valid'] = $getid3_id3v2->Analyze()) { 1564 $atom_structure['id3v2'] = $getid3_temp->info['id3v2']; 1565 } else { 1566 $this->warning('ID32 frame at offset '.$atom_structure['offset'].' did not parse'); 1567 } 1568 unset($getid3_temp, $getid3_id3v2); 1569 break; 1570 1571 case 'free': // FREE space atom 1572 case 'skip': // SKIP atom 1573 case 'wide': // 64-bit expansion placeholder atom 1574 // 'free', 'skip' and 'wide' are just padding, contains no useful data at all 1575 1576 // When writing QuickTime files, it is sometimes necessary to update an atom's size. 1577 // It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom 1578 // is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime 1579 // puts an 8-byte placeholder atom before any atoms it may have to update the size of. 1580 // In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the 1581 // placeholder atom can be overwritten to obtain the necessary 8 extra bytes. 1582 // The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ). 1583 break; 1584 1585 1586 case 'nsav': // NoSAVe atom 1587 // http://developer.apple.com/technotes/tn/tn2038.html 1588 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 1589 break; 1590 1591 case 'ctyp': // Controller TYPe atom (seen on QTVR) 1592 // http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt 1593 // some controller names are: 1594 // 0x00 + 'std' for linear movie 1595 // 'none' for no controls 1596 $atom_structure['ctyp'] = substr($atom_data, 0, 4); 1597 $info['quicktime']['controller'] = $atom_structure['ctyp']; 1598 switch ($atom_structure['ctyp']) { 1599 case 'qtvr': 1600 $info['video']['dataformat'] = 'quicktimevr'; 1601 break; 1602 } 1603 break; 1604 1605 case 'pano': // PANOrama track (seen on QTVR) 1606 $atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 1607 break; 1608 1609 case 'hint': // HINT track 1610 case 'hinf': // 1611 case 'hinv': // 1612 case 'hnti': // 1613 $info['quicktime']['hinting'] = true; 1614 break; 1615 1616 case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR) 1617 for ($i = 0; $i < ($atom_structure['size'] - 8); $i += 4) { 1618 $atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); 1619 } 1620 break; 1621 1622 1623 // Observed-but-not-handled atom types are just listed here to prevent warnings being generated 1624 case 'FXTC': // Something to do with Adobe After Effects (?) 1625 case 'PrmA': 1626 case 'code': 1627 case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html 1628 case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html 1629 // tapt seems to be used to compute the video size [https://www.getid3.org/phpBB3/viewtopic.php?t=838] 1630 // * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html 1631 // * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html 1632 case 'ctts':// STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1633 case 'cslg':// STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1634 case 'sdtp':// STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1635 case 'stps':// STPartialSyncSampleAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1636 //$atom_structure['data'] = $atom_data; 1637 break; 1638 1639 case "\xA9".'xyz': // GPS latitude+longitude+altitude 1640 $atom_structure['data'] = $atom_data; 1641 if (preg_match('#([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)?/$#i', $atom_data, $matches)) { 1642 @list($all, $latitude, $longitude, $altitude) = $matches; 1643 $info['quicktime']['comments']['gps_latitude'][] = floatval($latitude); 1644 $info['quicktime']['comments']['gps_longitude'][] = floatval($longitude); 1645 if (!empty($altitude)) { 1646 $info['quicktime']['comments']['gps_altitude'][] = floatval($altitude); 1647 } 1648 } else { 1649 $this->warning('QuickTime atom "©xyz" data does not match expected data pattern at offset '.$baseoffset.'. Please report as getID3() bug.'); 1650 } 1651 break; 1652 1653 case 'NCDT': 1654 // https://exiftool.org/TagNames/Nikon.html 1655 // Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100 1656 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms); 1657 break; 1658 case 'NCTH': // Nikon Camera THumbnail image 1659 case 'NCVW': // Nikon Camera preVieW image 1660 case 'NCM1': // Nikon Camera preview iMage 1 1661 case 'NCM2': // Nikon Camera preview iMage 2 1662 // https://exiftool.org/TagNames/Nikon.html 1663 if (preg_match('/^\xFF\xD8\xFF/', $atom_data)) { 1664 $descriptions = array( 1665 'NCTH' => 'Nikon Camera Thumbnail Image', 1666 'NCVW' => 'Nikon Camera Preview Image', 1667 'NCM1' => 'Nikon Camera Preview Image 1', 1668 'NCM2' => 'Nikon Camera Preview Image 2', 1669 ); 1670 $atom_structure['data'] = $atom_data; 1671 $atom_structure['image_mime'] = 'image/jpeg'; 1672 $atom_structure['description'] = $descriptions[$atomname]; 1673 $info['quicktime']['comments']['picture'][] = array( 1674 'image_mime' => $atom_structure['image_mime'], 1675 'data' => $atom_data, 1676 'description' => $atom_structure['description'] 1677 ); 1678 } 1679 break; 1680 case 'NCTG': // Nikon - https://exiftool.org/TagNames/Nikon.html#NCTG 1681 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.nikon-nctg.php', __FILE__, true); 1682 $nikonNCTG = new getid3_tag_nikon_nctg($this->getid3); 1683 1684 $atom_structure['data'] = $nikonNCTG->parse($atom_data); 1685 break; 1686 case 'NCHD': // Nikon:MakerNoteVersion - https://exiftool.org/TagNames/Nikon.html 1687 $makerNoteVersion = ''; 1688 for ($i = 0, $iMax = strlen($atom_data); $i < $iMax; ++$i) { 1689 if (ord($atom_data[$i]) <= 0x1F) { 1690 $makerNoteVersion .= ' '.ord($atom_data[$i]); 1691 } else { 1692 $makerNoteVersion .= $atom_data[$i]; 1693 } 1694 } 1695 $makerNoteVersion = rtrim($makerNoteVersion, "\x00"); 1696 $atom_structure['data'] = array( 1697 'MakerNoteVersion' => $makerNoteVersion 1698 ); 1699 break; 1700 case 'NCDB': // Nikon - https://exiftool.org/TagNames/Nikon.html 1701 case 'CNCV': // Canon:CompressorVersion - https://exiftool.org/TagNames/Canon.html 1702 $atom_structure['data'] = $atom_data; 1703 break; 1704 1705 case "\x00\x00\x00\x00": 1706 // some kind of metacontainer, may contain a big data dump such as: 1707 // 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 1708 // https://xhelmboyx.tripod.com/formats/qti-layout.txt 1709 1710 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1711 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1712 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom(substr($atom_data, 4), $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 1713 //$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 1714 break; 1715 1716 case 'meta': // METAdata atom 1717 // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html 1718 1719 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1720 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1721 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 1722 break; 1723 1724 case 'data': // metaDATA atom 1725 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 1726 // seems to be 2 bytes language code (ASCII), 2 bytes unknown (set to 0x10B5 in sample I have), remainder is useful data 1727 $atom_structure['language'] = substr($atom_data, 4 + 0, 2); 1728 $atom_structure['unknown'] = getid3_lib::BigEndian2Int(substr($atom_data, 4 + 2, 2)); 1729 $atom_structure['data'] = substr($atom_data, 4 + 4); 1730 $atom_structure['key_name'] = (isset($info['quicktime']['temp_meta_key_names'][$metaDATAkey]) ? $info['quicktime']['temp_meta_key_names'][$metaDATAkey] : ''); 1731 $metaDATAkey++; 1732 1733 if ($atom_structure['key_name'] && $atom_structure['data']) { 1734 @$info['quicktime']['comments'][str_replace('com.apple.quicktime.', '', $atom_structure['key_name'])][] = $atom_structure['data']; 1735 } 1736 break; 1737 1738 case 'keys': // KEYS that may be present in the metadata atom. 1739 // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html#//apple_ref/doc/uid/TP40000939-CH1-SW21 1740 // The metadata item keys atom holds a list of the metadata keys that may be present in the metadata atom. 1741 // 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". 1742 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1743 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1744 $atom_structure['entry_count'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1745 $keys_atom_offset = 8; 1746 for ($i = 1; $i <= $atom_structure['entry_count']; $i++) { 1747 $atom_structure['keys'][$i]['key_size'] = getid3_lib::BigEndian2Int(substr($atom_data, $keys_atom_offset + 0, 4)); 1748 $atom_structure['keys'][$i]['key_namespace'] = substr($atom_data, $keys_atom_offset + 4, 4); 1749 $atom_structure['keys'][$i]['key_value'] = substr($atom_data, $keys_atom_offset + 8, $atom_structure['keys'][$i]['key_size'] - 8); 1750 $keys_atom_offset += $atom_structure['keys'][$i]['key_size']; // key_size includes the 4+4 bytes for key_size and key_namespace 1751 1752 $info['quicktime']['temp_meta_key_names'][$i] = $atom_structure['keys'][$i]['key_value']; 1753 } 1754 break; 1755 1756 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) 1757 //Get the UUID ID in first 16 bytes 1758 $uuid_bytes_read = unpack('H8time_low/H4time_mid/H4time_hi/H4clock_seq_hi/H12clock_seq_low', substr($atom_data, 0, 16)); 1759 $atom_structure['uuid_field_id'] = implode('-', $uuid_bytes_read); 1760 1761 switch ($atom_structure['uuid_field_id']) { // http://fileformats.archiveteam.org/wiki/Boxes/atoms_format#UUID_boxes 1762 1763 case '0537cdab-9d0c-4431-a72a-fa561f2a113e': // Exif - http://fileformats.archiveteam.org/wiki/Exif 1764 case '2c4c0100-8504-40b9-a03e-562148d6dfeb': // Photoshop Image Resources - http://fileformats.archiveteam.org/wiki/Photoshop_Image_Resources 1765 case '33c7a4d2-b81d-4723-a0ba-f1a3e097ad38': // IPTC-IIM - http://fileformats.archiveteam.org/wiki/IPTC-IIM 1766 case '8974dbce-7be7-4c51-84f9-7148f9882554': // PIFF Track Encryption Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format 1767 case '96a9f1f1-dc98-402d-a7ae-d68e34451809': // GeoJP2 World File Box - http://fileformats.archiveteam.org/wiki/GeoJP2 1768 case 'a2394f52-5a9b-4f14-a244-6c427c648df4': // PIFF Sample Encryption Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format 1769 case 'b14bf8bd-083d-4b43-a5ae-8cd7d5a6ce03': // GeoJP2 GeoTIFF Box - http://fileformats.archiveteam.org/wiki/GeoJP2 1770 case 'd08a4f18-10f3-4a82-b6c8-32d8aba183d3': // PIFF Protection System Specific Header Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format 1771 $this->warning('Unhandled (but recognized) "uuid" atom identified by "'.$atom_structure['uuid_field_id'].'" at offset '.$atom_structure['offset'].' ('.strlen($atom_data).' bytes)'); 1772 break; 1773 1774 case 'be7acfcb-97a9-42e8-9c71-999491e3afac': // XMP data (in XML format) 1775 $atom_structure['xml'] = substr($atom_data, 16, strlen($atom_data) - 16 - 8); // 16 bytes for UUID, 8 bytes header(?) 1776 break; 1777 1778 case 'efe1589a-bb77-49ef-8095-27759eb1dc6f': // 360fly data 1779 /* 360fly code in this block by Paul Lewis 2019-Oct-31 */ 1780 /* Sensor Timestamps need to be calculated using the recordings base time at ['quicktime']['moov']['subatoms'][0]['creation_time_unix']. */ 1781 $atom_structure['title'] = '360Fly Sensor Data'; 1782 1783 //Get the UUID HEADER data 1784 $uuid_bytes_read = unpack('vheader_size/vheader_version/vtimescale/vhardware_version/x/x/x/x/x/x/x/x/x/x/x/x/x/x/x/x/', substr($atom_data, 16, 32)); 1785 $atom_structure['uuid_header'] = $uuid_bytes_read; 1786 1787 $start_byte = 48; 1788 $atom_SENSOR_data = substr($atom_data, $start_byte); 1789 $atom_structure['sensor_data']['data_type'] = array( 1790 'fusion_count' => 0, // ID 250 1791 'fusion_data' => array(), 1792 'accel_count' => 0, // ID 1 1793 'accel_data' => array(), 1794 'gyro_count' => 0, // ID 2 1795 'gyro_data' => array(), 1796 'magno_count' => 0, // ID 3 1797 'magno_data' => array(), 1798 'gps_count' => 0, // ID 5 1799 'gps_data' => array(), 1800 'rotation_count' => 0, // ID 6 1801 'rotation_data' => array(), 1802 'unknown_count' => 0, // ID ?? 1803 'unknown_data' => array(), 1804 'debug_list' => '', // Used to debug variables stored as comma delimited strings 1805 ); 1806 $debug_structure = array(); 1807 $debug_structure['debug_items'] = array(); 1808 // Can start loop here to decode all sensor data in 32 Byte chunks: 1809 foreach (str_split($atom_SENSOR_data, 32) as $sensor_key => $sensor_data) { 1810 // This gets me a data_type code to work out what data is in the next 31 bytes. 1811 $sensor_data_type = substr($sensor_data, 0, 1); 1812 $sensor_data_content = substr($sensor_data, 1); 1813 $uuid_bytes_read = unpack('C*', $sensor_data_type); 1814 $sensor_data_array = array(); 1815 switch ($uuid_bytes_read[1]) { 1816 case 250: 1817 $atom_structure['sensor_data']['data_type']['fusion_count']++; 1818 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); 1819 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1820 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1821 $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; 1822 $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; 1823 $sensor_data_array['roll'] = $uuid_bytes_read['roll']; 1824 array_push($atom_structure['sensor_data']['data_type']['fusion_data'], $sensor_data_array); 1825 break; 1826 case 1: 1827 $atom_structure['sensor_data']['data_type']['accel_count']++; 1828 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); 1829 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1830 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1831 $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; 1832 $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; 1833 $sensor_data_array['roll'] = $uuid_bytes_read['roll']; 1834 array_push($atom_structure['sensor_data']['data_type']['accel_data'], $sensor_data_array); 1835 break; 1836 case 2: 1837 $atom_structure['sensor_data']['data_type']['gyro_count']++; 1838 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); 1839 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1840 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1841 $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; 1842 $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; 1843 $sensor_data_array['roll'] = $uuid_bytes_read['roll']; 1844 array_push($atom_structure['sensor_data']['data_type']['gyro_data'], $sensor_data_array); 1845 break; 1846 case 3: 1847 $atom_structure['sensor_data']['data_type']['magno_count']++; 1848 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gmagx/Gmagy/Gmagz/x*', $sensor_data_content); 1849 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1850 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1851 $sensor_data_array['magx'] = $uuid_bytes_read['magx']; 1852 $sensor_data_array['magy'] = $uuid_bytes_read['magy']; 1853 $sensor_data_array['magz'] = $uuid_bytes_read['magz']; 1854 array_push($atom_structure['sensor_data']['data_type']['magno_data'], $sensor_data_array); 1855 break; 1856 case 5: 1857 $atom_structure['sensor_data']['data_type']['gps_count']++; 1858 $uuid_bytes_read = unpack('cmode/Jtimestamp/Glat/Glon/Galt/Gspeed/nbearing/nacc/x*', $sensor_data_content); 1859 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1860 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1861 $sensor_data_array['lat'] = $uuid_bytes_read['lat']; 1862 $sensor_data_array['lon'] = $uuid_bytes_read['lon']; 1863 $sensor_data_array['alt'] = $uuid_bytes_read['alt']; 1864 $sensor_data_array['speed'] = $uuid_bytes_read['speed']; 1865 $sensor_data_array['bearing'] = $uuid_bytes_read['bearing']; 1866 $sensor_data_array['acc'] = $uuid_bytes_read['acc']; 1867 array_push($atom_structure['sensor_data']['data_type']['gps_data'], $sensor_data_array); 1868 //array_push($debug_structure['debug_items'], $uuid_bytes_read['timestamp']); 1869 break; 1870 case 6: 1871 $atom_structure['sensor_data']['data_type']['rotation_count']++; 1872 $uuid_bytes_read = unpack('cmode/Jtimestamp/Grotx/Groty/Grotz/x*', $sensor_data_content); 1873 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1874 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1875 $sensor_data_array['rotx'] = $uuid_bytes_read['rotx']; 1876 $sensor_data_array['roty'] = $uuid_bytes_read['roty']; 1877 $sensor_data_array['rotz'] = $uuid_bytes_read['rotz']; 1878 array_push($atom_structure['sensor_data']['data_type']['rotation_data'], $sensor_data_array); 1879 break; 1880 default: 1881 $atom_structure['sensor_data']['data_type']['unknown_count']++; 1882 break; 1883 } 1884 } 1885 //if (isset($debug_structure['debug_items']) && count($debug_structure['debug_items']) > 0) { 1886 // $atom_structure['sensor_data']['data_type']['debug_list'] = implode(',', $debug_structure['debug_items']); 1887 //} else { 1888 $atom_structure['sensor_data']['data_type']['debug_list'] = 'No debug items in list!'; 1889 //} 1890 break; 1891 1892 default: 1893 $this->warning('Unhandled "uuid" atom identified by "'.$atom_structure['uuid_field_id'].'" at offset '.$atom_structure['offset'].' ('.strlen($atom_data).' bytes)'); 1894 } 1895 break; 1896 1897 case 'gps ': 1898 // https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730 1899 // The 'gps ' contains simple look up table made up of 8byte rows, that point to the 'free' atoms that contains the actual GPS data. 1900 // The first row is version/metadata/notsure, I skip that. 1901 // The following rows consist of 4byte address (absolute) and 4byte size (0x1000), these point to the GPS data in the file. 1902 1903 $GPS_rowsize = 8; // 4 bytes for offset, 4 bytes for size 1904 if (strlen($atom_data) > 0) { 1905 if ((strlen($atom_data) % $GPS_rowsize) == 0) { 1906 $atom_structure['gps_toc'] = array(); 1907 foreach (str_split($atom_data, $GPS_rowsize) as $counter => $datapair) { 1908 $atom_structure['gps_toc'][] = unpack('Noffset/Nsize', substr($atom_data, $counter * $GPS_rowsize, $GPS_rowsize)); 1909 } 1910 1911 $atom_structure['gps_entries'] = array(); 1912 $previous_offset = $this->ftell(); 1913 foreach ($atom_structure['gps_toc'] as $key => $gps_pointer) { 1914 if ($key == 0) { 1915 // "The first row is version/metadata/notsure, I skip that." 1916 continue; 1917 } 1918 $this->fseek($gps_pointer['offset']); 1919 $GPS_free_data = $this->fread($gps_pointer['size']); 1920 1921 /* 1922 // 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 1923 1924 // https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730 1925 // The structure of the GPS data atom (the 'free' atoms mentioned above) is following: 1926 // hour,minute,second,year,month,day,active,latitude_b,longitude_b,unknown2,latitude,longitude,speed = struct.unpack_from('<IIIIIIssssfff',data, 48) 1927 // For those unfamiliar with python struct: 1928 // I = int 1929 // s = is string (size 1, in this case) 1930 // f = float 1931 1932 //$atom_structure['gps_entries'][$key] = unpack('Vhour/Vminute/Vsecond/Vyear/Vmonth/Vday/Vactive/Vlatitude_b/Vlongitude_b/Vunknown2/flatitude/flongitude/fspeed', substr($GPS_free_data, 48)); 1933 */ 1934 1935 // $GPRMC,081836,A,3751.65,S,14507.36,E,000.0,360.0,130998,011.3,E*62 1936 // $GPRMC,183731,A,3907.482,N,12102.436,W,000.0,360.0,080301,015.5,E*67 1937 // $GPRMC,002454,A,3553.5295,N,13938.6570,E,0.0,43.1,180700,7.1,W,A*3F 1938 // $GPRMC,094347.000,A,5342.0061,N,00737.9908,W,0.01,156.75,140217,,,A*7D 1939 if (preg_match('#\\$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)) { 1940 $GPS_this_GPRMC = array(); 1941 $GPS_this_GPRMC_raw = array(); 1942 list( 1943 $GPS_this_GPRMC_raw['gprmc'], 1944 $GPS_this_GPRMC_raw['timestamp'], 1945 $GPS_this_GPRMC_raw['status'], 1946 $GPS_this_GPRMC_raw['latitude'], 1947 $GPS_this_GPRMC_raw['latitude_direction'], 1948 $GPS_this_GPRMC_raw['longitude'], 1949 $GPS_this_GPRMC_raw['longitude_direction'], 1950 $GPS_this_GPRMC_raw['knots'], 1951 $GPS_this_GPRMC_raw['angle'], 1952 $GPS_this_GPRMC_raw['datestamp'], 1953 $GPS_this_GPRMC_raw['variation'], 1954 $GPS_this_GPRMC_raw['variation_direction'], 1955 $dummy, 1956 $GPS_this_GPRMC_raw['checksum'], 1957 ) = $matches; 1958 $GPS_this_GPRMC['raw'] = $GPS_this_GPRMC_raw; 1959 1960 $hour = substr($GPS_this_GPRMC['raw']['timestamp'], 0, 2); 1961 $minute = substr($GPS_this_GPRMC['raw']['timestamp'], 2, 2); 1962 $second = substr($GPS_this_GPRMC['raw']['timestamp'], 4, 2); 1963 $ms = substr($GPS_this_GPRMC['raw']['timestamp'], 6); // may contain decimal seconds 1964 $day = substr($GPS_this_GPRMC['raw']['datestamp'], 0, 2); 1965 $month = substr($GPS_this_GPRMC['raw']['datestamp'], 2, 2); 1966 $year = (int) substr($GPS_this_GPRMC['raw']['datestamp'], 4, 2); 1967 $year += (($year > 90) ? 1900 : 2000); // complete lack of foresight: datestamps are stored with 2-digit years, take best guess 1968 $GPS_this_GPRMC['timestamp'] = $year.'-'.$month.'-'.$day.' '.$hour.':'.$minute.':'.$second.$ms; 1969 1970 $GPS_this_GPRMC['active'] = ($GPS_this_GPRMC['raw']['status'] == 'A'); // A=Active,V=Void 1971 1972 foreach (array('latitude','longitude') as $latlon) { 1973 preg_match('#^([0-9]{1,3})([0-9]{2}\\.[0-9]+)$#', $GPS_this_GPRMC['raw'][$latlon], $matches); 1974 list($dummy, $deg, $min) = $matches; 1975 $GPS_this_GPRMC[$latlon] = $deg + ($min / 60); 1976 } 1977 $GPS_this_GPRMC['latitude'] *= (($GPS_this_GPRMC['raw']['latitude_direction'] == 'S') ? -1 : 1); 1978 $GPS_this_GPRMC['longitude'] *= (($GPS_this_GPRMC['raw']['longitude_direction'] == 'W') ? -1 : 1); 1979 1980 $GPS_this_GPRMC['heading'] = $GPS_this_GPRMC['raw']['angle']; 1981 $GPS_this_GPRMC['speed_knot'] = $GPS_this_GPRMC['raw']['knots']; 1982 $GPS_this_GPRMC['speed_kmh'] = $GPS_this_GPRMC['raw']['knots'] * 1.852; 1983 if ($GPS_this_GPRMC['raw']['variation']) { 1984 $GPS_this_GPRMC['variation'] = $GPS_this_GPRMC['raw']['variation']; 1985 $GPS_this_GPRMC['variation'] *= (($GPS_this_GPRMC['raw']['variation_direction'] == 'W') ? -1 : 1); 1986 } 1987 1988 $atom_structure['gps_entries'][$key] = $GPS_this_GPRMC; 1989 1990 @$info['quicktime']['gps_track'][$GPS_this_GPRMC['timestamp']] = array( 1991 'latitude' => (float) $GPS_this_GPRMC['latitude'], 1992 'longitude' => (float) $GPS_this_GPRMC['longitude'], 1993 'speed_kmh' => (float) $GPS_this_GPRMC['speed_kmh'], 1994 'heading' => (float) $GPS_this_GPRMC['heading'], 1995 ); 1996 1997 } else { 1998 $this->warning('Unhandled GPS format in "free" atom at offset '.$gps_pointer['offset']); 1999 } 2000 } 2001 $this->fseek($previous_offset); 2002 2003 } else { 2004 $this->warning('QuickTime atom "'.$atomname.'" is not mod-8 bytes long ('.$atomsize.' bytes) at offset '.$baseoffset); 2005 } 2006 } else { 2007 $this->warning('QuickTime atom "'.$atomname.'" is zero bytes long at offset '.$baseoffset); 2008 } 2009 break; 2010 2011 case 'loci':// 3GP location (El Loco) 2012 $loffset = 0; 2013 $info['quicktime']['comments']['gps_flags'] = array( getid3_lib::BigEndian2Int(substr($atom_data, 0, 4))); 2014 $info['quicktime']['comments']['gps_lang'] = array( getid3_lib::BigEndian2Int(substr($atom_data, 4, 2))); 2015 $info['quicktime']['comments']['gps_location'] = array( $this->LociString(substr($atom_data, 6), $loffset)); 2016 $loci_data = substr($atom_data, 6 + $loffset); 2017 $info['quicktime']['comments']['gps_role'] = array( getid3_lib::BigEndian2Int(substr($loci_data, 0, 1))); 2018 $info['quicktime']['comments']['gps_longitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 1, 4))); 2019 $info['quicktime']['comments']['gps_latitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 5, 4))); 2020 $info['quicktime']['comments']['gps_altitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 9, 4))); 2021 $info['quicktime']['comments']['gps_body'] = array( $this->LociString(substr($loci_data, 13 ), $loffset)); 2022 $info['quicktime']['comments']['gps_notes'] = array( $this->LociString(substr($loci_data, 13 + $loffset), $loffset)); 2023 break; 2024 2025 case 'chpl': // CHaPter List 2026 // https://www.adobe.com/content/dam/Adobe/en/devnet/flv/pdfs/video_file_format_spec_v10.pdf 2027 $chpl_version = getid3_lib::BigEndian2Int(substr($atom_data, 4, 1)); // Expected to be 0 2028 $chpl_flags = getid3_lib::BigEndian2Int(substr($atom_data, 5, 3)); // Reserved, set to 0 2029 $chpl_count = getid3_lib::BigEndian2Int(substr($atom_data, 8, 1)); 2030 $chpl_offset = 9; 2031 for ($i = 0; $i < $chpl_count; $i++) { 2032 if (($chpl_offset + 9) >= strlen($atom_data)) { 2033 $this->warning('QuickTime chapter '.$i.' extends beyond end of "chpl" atom'); 2034 break; 2035 } 2036 $info['quicktime']['chapters'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($atom_data, $chpl_offset, 8)) / 10000000; // timestamps are stored as 100-nanosecond units 2037 $chpl_offset += 8; 2038 $chpl_title_size = getid3_lib::BigEndian2Int(substr($atom_data, $chpl_offset, 1)); 2039 $chpl_offset += 1; 2040 $info['quicktime']['chapters'][$i]['title'] = substr($atom_data, $chpl_offset, $chpl_title_size); 2041 $chpl_offset += $chpl_title_size; 2042 } 2043 break; 2044 2045 case 'FIRM': // FIRMware version(?), seen on GoPro Hero4 2046 $info['quicktime']['camera']['firmware'] = $atom_data; 2047 break; 2048 2049 case 'CAME': // FIRMware version(?), seen on GoPro Hero4 2050 $info['quicktime']['camera']['serial_hash'] = unpack('H*', $atom_data); 2051 break; 2052 2053 case 'dscp': 2054 case 'rcif': 2055 // https://www.getid3.org/phpBB3/viewtopic.php?t=1908 2056 if (substr($atom_data, 0, 7) == "\x00\x00\x00\x00\x55\xC4".'{') { 2057 if ($json_decoded = @json_decode(rtrim(substr($atom_data, 6), "\x00"), true)) { 2058 $info['quicktime']['camera'][$atomname] = $json_decoded; 2059 if (($atomname == 'rcif') && isset($info['quicktime']['camera']['rcif']['wxcamera']['rotate'])) { 2060 $info['video']['rotate'] = $info['quicktime']['video']['rotate'] = $info['quicktime']['camera']['rcif']['wxcamera']['rotate']; 2061 } 2062 } else { 2063 $this->warning('Failed to JSON decode atom "'.$atomname.'"'); 2064 $atom_structure['data'] = $atom_data; 2065 } 2066 unset($json_decoded); 2067 } else { 2068 $this->warning('Expecting 55 C4 7B at start of atom "'.$atomname.'", found '.getid3_lib::PrintHexBytes(substr($atom_data, 4, 3)).' instead'); 2069 $atom_structure['data'] = $atom_data; 2070 } 2071 break; 2072 2073 case 'frea': 2074 // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea 2075 // may contain "scra" (PreviewImage) and/or "thma" (ThumbnailImage) 2076 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms); 2077 break; 2078 case 'tima': // subatom to "frea" 2079 // no idea what this does, the one sample file I've seen has a value of 0x00000027 2080 $atom_structure['data'] = $atom_data; 2081 break; 2082 case 'ver ': // subatom to "frea" 2083 // some kind of version number, the one sample file I've seen has a value of "3.00.073" 2084 $atom_structure['data'] = $atom_data; 2085 break; 2086 case 'thma': // subatom to "frea" -- "ThumbnailImage" 2087 // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea 2088 if (strlen($atom_data) > 0) { 2089 $info['quicktime']['comments']['picture'][] = array('data'=>$atom_data, 'image_mime'=>'image/jpeg', 'description'=>'ThumbnailImage'); 2090 } 2091 break; 2092 case 'scra': // subatom to "frea" -- "PreviewImage" 2093 // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea 2094 // but the only sample file I've seen has no useful data here 2095 if (strlen($atom_data) > 0) { 2096 $info['quicktime']['comments']['picture'][] = array('data'=>$atom_data, 'image_mime'=>'image/jpeg', 'description'=>'PreviewImage'); 2097 } 2098 break; 2099 2100 case 'cdsc': // timed metadata reference 2101 // A QuickTime movie can contain none, one, or several timed metadata tracks. Timed metadata tracks can refer to multiple tracks. 2102 // Metadata tracks are linked to the tracks they describe using a track-reference of type 'cdsc'. The metadata track holds the 'cdsc' track reference. 2103 $atom_structure['track_number'] = getid3_lib::BigEndian2Int($atom_data); 2104 break; 2105 2106 2107 case 'esds': // Elementary Stream DeScriptor 2108 // https://github.com/JamesHeinrich/getID3/issues/414 2109 // https://chromium.googlesource.com/chromium/src/media/+/refs/heads/main/formats/mp4/es_descriptor.cc 2110 // https://chromium.googlesource.com/chromium/src/media/+/refs/heads/main/formats/mp4/es_descriptor.h 2111 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); // hardcoded: 0x00 2112 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x000000 2113 $esds_offset = 4; 2114 2115 $atom_structure['ES_DescrTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 1)); 2116 $esds_offset += 1; 2117 if ($atom_structure['ES_DescrTag'] != 0x03) { 2118 $this->warning('expecting esds.ES_DescrTag = 0x03, found 0x'.getid3_lib::PrintHexBytes($atom_structure['ES_DescrTag']).'), at offset '.$atom_structure['offset']); 2119 break; 2120 } 2121 $atom_structure['ES_DescrSize'] = $this->quicktime_read_mp4_descr_length($atom_data, $esds_offset); 2122 2123 $atom_structure['ES_ID'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 2)); 2124 $esds_offset += 2; 2125 $atom_structure['ES_flagsraw'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 1)); 2126 $esds_offset += 1; 2127 $atom_structure['ES_flags']['stream_dependency'] = (bool) ($atom_structure['ES_flagsraw'] & 0x80); 2128 $atom_structure['ES_flags']['url_flag'] = (bool) ($atom_structure['ES_flagsraw'] & 0x40); 2129 $atom_structure['ES_flags']['ocr_stream'] = (bool) ($atom_structure['ES_flagsraw'] & 0x20); 2130 $atom_structure['ES_stream_priority'] = ($atom_structure['ES_flagsraw'] & 0x1F); 2131 if ($atom_structure['ES_flags']['url_flag']) { 2132 $this->warning('Unsupported esds.url_flag enabled at offset '.$atom_structure['offset']); 2133 break; 2134 } 2135 if ($atom_structure['ES_flags']['stream_dependency']) { 2136 $atom_structure['ES_dependsOn_ES_ID'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 2)); 2137 $esds_offset += 2; 2138 } 2139 if ($atom_structure['ES_flags']['ocr_stream']) { 2140 $atom_structure['ES_OCR_ES_Id'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 2)); 2141 $esds_offset += 2; 2142 } 2143 2144 $atom_structure['ES_DecoderConfigDescrTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 1)); 2145 $esds_offset += 1; 2146 if ($atom_structure['ES_DecoderConfigDescrTag'] != 0x04) { 2147 $this->warning('expecting esds.ES_DecoderConfigDescrTag = 0x04, found 0x'.getid3_lib::PrintHexBytes($atom_structure['ES_DecoderConfigDescrTag']).'), at offset '.$atom_structure['offset']); 2148 break; 2149 } 2150 $atom_structure['ES_DecoderConfigDescrTagSize'] = $this->quicktime_read_mp4_descr_length($atom_data, $esds_offset); 2151 2152 $atom_structure['ES_objectTypeIndication'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 1)); 2153 $esds_offset += 1; 2154 // https://stackoverflow.com/questions/3987850 2155 // 0x40 = "Audio ISO/IEC 14496-3" = MPEG-4 Audio 2156 // 0x67 = "Audio ISO/IEC 13818-7 LowComplexity Profile" = MPEG-2 AAC LC 2157 // 0x69 = "Audio ISO/IEC 13818-3" = MPEG-2 Backward Compatible Audio (MPEG-2 Layers 1, 2, and 3) 2158 // 0x6B = "Audio ISO/IEC 11172-3" = MPEG-1 Audio (MPEG-1 Layers 1, 2, and 3) 2159 2160 $streamTypePlusFlags = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 1)); 2161 $esds_offset += 1; 2162 $atom_structure['ES_streamType'] = ($streamTypePlusFlags & 0xFC) >> 2; 2163 $atom_structure['ES_upStream'] = (bool) ($streamTypePlusFlags & 0x02) >> 1; 2164 $atom_structure['ES_bufferSizeDB'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 3)); 2165 $esds_offset += 3; 2166 $atom_structure['ES_maxBitrate'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 4)); 2167 $esds_offset += 4; 2168 $atom_structure['ES_avgBitrate'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 4)); 2169 $esds_offset += 4; 2170 if ($atom_structure['ES_avgBitrate']) { 2171 $info['quicktime']['audio']['bitrate'] = $atom_structure['ES_avgBitrate']; 2172 $info['audio']['bitrate'] = $atom_structure['ES_avgBitrate']; 2173 } 2174 2175 $atom_structure['ES_DecSpecificInfoTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 1)); 2176 $esds_offset += 1; 2177 if ($atom_structure['ES_DecSpecificInfoTag'] != 0x05) { 2178 $this->warning('expecting esds.ES_DecSpecificInfoTag = 0x05, found 0x'.getid3_lib::PrintHexBytes($atom_structure['ES_DecSpecificInfoTag']).'), at offset '.$atom_structure['offset']); 2179 break; 2180 } 2181 $atom_structure['ES_DecSpecificInfoTagSize'] = $this->quicktime_read_mp4_descr_length($atom_data, $esds_offset); 2182 2183 $atom_structure['ES_DecSpecificInfo'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, $atom_structure['ES_DecSpecificInfoTagSize'])); 2184 $esds_offset += $atom_structure['ES_DecSpecificInfoTagSize']; 2185 2186 $atom_structure['ES_SLConfigDescrTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 1)); 2187 $esds_offset += 1; 2188 if ($atom_structure['ES_SLConfigDescrTag'] != 0x06) { 2189 $this->warning('expecting esds.ES_SLConfigDescrTag = 0x05, found 0x'.getid3_lib::PrintHexBytes($atom_structure['ES_SLConfigDescrTag']).'), at offset '.$atom_structure['offset']); 2190 break; 2191 } 2192 $atom_structure['ES_SLConfigDescrTagSize'] = $this->quicktime_read_mp4_descr_length($atom_data, $esds_offset); 2193 2194 $atom_structure['ES_SLConfigDescr'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, $atom_structure['ES_SLConfigDescrTagSize'])); 2195 $esds_offset += $atom_structure['ES_SLConfigDescrTagSize']; 2196 break; 2197 2198 // AVIF-related - https://docs.rs/avif-parse/0.13.2/src/avif_parse/boxes.rs.html 2199 case 'pitm': // Primary ITeM 2200 case 'iloc': // Item LOCation 2201 case 'iinf': // Item INFo 2202 case 'iref': // Image REFerence 2203 case 'iprp': // Image PRoPerties 2204 $this->error('AVIF files not currently supported'); 2205 $atom_structure['data'] = $atom_data; 2206 break; 2207 2208 case 'tfdt': // Track Fragment base media Decode Time box 2209 case 'tfhd': // Track Fragment HeaDer box 2210 case 'mfhd': // Movie Fragment HeaDer box 2211 case 'trun': // Track fragment RUN box 2212 $this->error('fragmented mp4 files not currently supported'); 2213 $atom_structure['data'] = $atom_data; 2214 break; 2215 2216 case 'mvex': // MoVie EXtends box 2217 case 'pssh': // Protection System Specific Header box 2218 case 'sidx': // Segment InDeX box 2219 default: 2220 $this->warning('Unknown QuickTime atom type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" ('.trim(getid3_lib::PrintHexBytes($atomname)).'), '.$atomsize.' bytes at offset '.$baseoffset); 2221 $atom_structure['data'] = $atom_data; 2222 break; 2223 } 2224 } 2225 array_pop($atomHierarchy); 2226 return $atom_structure; 2227 } 2228 2229 /** 2230 * @param string $atom_data 2231 * @param int $baseoffset 2232 * @param array $atomHierarchy 2233 * @param bool $ParseAllPossibleAtoms 2234 * 2235 * @return array|false 2236 */ 2237 public function QuicktimeParseContainerAtom($atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { 2238 $atom_structure = array(); 2239 $subatomoffset = 0; 2240 $subatomcounter = 0; 2241 if ((strlen($atom_data) == 4) && (getid3_lib::BigEndian2Int($atom_data) == 0x00000000)) { 2242 return false; 2243 } 2244 while ($subatomoffset < strlen($atom_data)) { 2245 $subatomsize = getid3_lib::BigEndian2Int(substr($atom_data, $subatomoffset + 0, 4)); 2246 $subatomname = substr($atom_data, $subatomoffset + 4, 4); 2247 $subatomdata = substr($atom_data, $subatomoffset + 8, $subatomsize - 8); 2248 if ($subatomsize == 0) { 2249 // Furthermore, for historical reasons the list of atoms is optionally 2250 // terminated by a 32-bit integer set to 0. If you are writing a program 2251 // to read user data atoms, you should allow for the terminating 0. 2252 if (strlen($atom_data) > 12) { 2253 $subatomoffset += 4; 2254 continue; 2255 } 2256 break; 2257 } 2258 if (strlen($subatomdata) < ($subatomsize - 8)) { 2259 // we don't have enough data to decode the subatom. 2260 // this may be because we are refusing to parse large subatoms, or it may be because this atom had its size set too large 2261 // so we passed in the start of a following atom incorrectly? 2262 break; 2263 } 2264 $atom_structure[$subatomcounter++] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms); 2265 $subatomoffset += $subatomsize; 2266 } 2267 2268 if (empty($atom_structure)) { 2269 return false; 2270 } 2271 2272 return $atom_structure; 2273 } 2274 2275 /** 2276 * @param string $data 2277 * @param int $offset 2278 * 2279 * @return int 2280 */ 2281 public function quicktime_read_mp4_descr_length($data, &$offset) { 2282 // http://libquicktime.sourcearchive.com/documentation/2:1.0.2plus-pdebian-2build1/esds_8c-source.html 2283 $num_bytes = 0; 2284 $length = 0; 2285 do { 2286 $b = ord(substr($data, $offset++, 1)); 2287 $length = ($length << 7) | ($b & 0x7F); 2288 } while (($b & 0x80) && ($num_bytes++ < 4)); 2289 return $length; 2290 } 2291 2292 /** 2293 * @param int $languageid 2294 * 2295 * @return string 2296 */ 2297 public function QuicktimeLanguageLookup($languageid) { 2298 // http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-34353 2299 static $QuicktimeLanguageLookup = array(); 2300 if (empty($QuicktimeLanguageLookup)) { 2301 $QuicktimeLanguageLookup[0] = 'English'; 2302 $QuicktimeLanguageLookup[1] = 'French'; 2303 $QuicktimeLanguageLookup[2] = 'German'; 2304 $QuicktimeLanguageLookup[3] = 'Italian'; 2305 $QuicktimeLanguageLookup[4] = 'Dutch'; 2306 $QuicktimeLanguageLookup[5] = 'Swedish'; 2307 $QuicktimeLanguageLookup[6] = 'Spanish'; 2308 $QuicktimeLanguageLookup[7] = 'Danish'; 2309 $QuicktimeLanguageLookup[8] = 'Portuguese'; 2310 $QuicktimeLanguageLookup[9] = 'Norwegian'; 2311 $QuicktimeLanguageLookup[10] = 'Hebrew'; 2312 $QuicktimeLanguageLookup[11] = 'Japanese'; 2313 $QuicktimeLanguageLookup[12] = 'Arabic'; 2314 $QuicktimeLanguageLookup[13] = 'Finnish'; 2315 $QuicktimeLanguageLookup[14] = 'Greek'; 2316 $QuicktimeLanguageLookup[15] = 'Icelandic'; 2317 $QuicktimeLanguageLookup[16] = 'Maltese'; 2318 $QuicktimeLanguageLookup[17] = 'Turkish'; 2319 $QuicktimeLanguageLookup[18] = 'Croatian'; 2320 $QuicktimeLanguageLookup[19] = 'Chinese (Traditional)'; 2321 $QuicktimeLanguageLookup[20] = 'Urdu'; 2322 $QuicktimeLanguageLookup[21] = 'Hindi'; 2323 $QuicktimeLanguageLookup[22] = 'Thai'; 2324 $QuicktimeLanguageLookup[23] = 'Korean'; 2325 $QuicktimeLanguageLookup[24] = 'Lithuanian'; 2326 $QuicktimeLanguageLookup[25] = 'Polish'; 2327 $QuicktimeLanguageLookup[26] = 'Hungarian'; 2328 $QuicktimeLanguageLookup[27] = 'Estonian'; 2329 $QuicktimeLanguageLookup[28] = 'Lettish'; 2330 $QuicktimeLanguageLookup[28] = 'Latvian'; 2331 $QuicktimeLanguageLookup[29] = 'Saamisk'; 2332 $QuicktimeLanguageLookup[29] = 'Lappish'; 2333 $QuicktimeLanguageLookup[30] = 'Faeroese'; 2334 $QuicktimeLanguageLookup[31] = 'Farsi'; 2335 $QuicktimeLanguageLookup[31] = 'Persian'; 2336 $QuicktimeLanguageLookup[32] = 'Russian'; 2337 $QuicktimeLanguageLookup[33] = 'Chinese (Simplified)'; 2338 $QuicktimeLanguageLookup[34] = 'Flemish'; 2339 $QuicktimeLanguageLookup[35] = 'Irish'; 2340 $QuicktimeLanguageLookup[36] = 'Albanian'; 2341 $QuicktimeLanguageLookup[37] = 'Romanian'; 2342 $QuicktimeLanguageLookup[38] = 'Czech'; 2343 $QuicktimeLanguageLookup[39] = 'Slovak'; 2344 $QuicktimeLanguageLookup[40] = 'Slovenian'; 2345 $QuicktimeLanguageLookup[41] = 'Yiddish'; 2346 $QuicktimeLanguageLookup[42] = 'Serbian'; 2347 $QuicktimeLanguageLookup[43] = 'Macedonian'; 2348 $QuicktimeLanguageLookup[44] = 'Bulgarian'; 2349 $QuicktimeLanguageLookup[45] = 'Ukrainian'; 2350 $QuicktimeLanguageLookup[46] = 'Byelorussian'; 2351 $QuicktimeLanguageLookup[47] = 'Uzbek'; 2352 $QuicktimeLanguageLookup[48] = 'Kazakh'; 2353 $QuicktimeLanguageLookup[49] = 'Azerbaijani'; 2354 $QuicktimeLanguageLookup[50] = 'AzerbaijanAr'; 2355 $QuicktimeLanguageLookup[51] = 'Armenian'; 2356 $QuicktimeLanguageLookup[52] = 'Georgian'; 2357 $QuicktimeLanguageLookup[53] = 'Moldavian'; 2358 $QuicktimeLanguageLookup[54] = 'Kirghiz'; 2359 $QuicktimeLanguageLookup[55] = 'Tajiki'; 2360 $QuicktimeLanguageLookup[56] = 'Turkmen'; 2361 $QuicktimeLanguageLookup[57] = 'Mongolian'; 2362 $QuicktimeLanguageLookup[58] = 'MongolianCyr'; 2363 $QuicktimeLanguageLookup[59] = 'Pashto'; 2364 $QuicktimeLanguageLookup[60] = 'Kurdish'; 2365 $QuicktimeLanguageLookup[61] = 'Kashmiri'; 2366 $QuicktimeLanguageLookup[62] = 'Sindhi'; 2367 $QuicktimeLanguageLookup[63] = 'Tibetan'; 2368 $QuicktimeLanguageLookup[64] = 'Nepali'; 2369 $QuicktimeLanguageLookup[65] = 'Sanskrit'; 2370 $QuicktimeLanguageLookup[66] = 'Marathi'; 2371 $QuicktimeLanguageLookup[67] = 'Bengali'; 2372 $QuicktimeLanguageLookup[68] = 'Assamese'; 2373 $QuicktimeLanguageLookup[69] = 'Gujarati'; 2374 $QuicktimeLanguageLookup[70] = 'Punjabi'; 2375 $QuicktimeLanguageLookup[71] = 'Oriya'; 2376 $QuicktimeLanguageLookup[72] = 'Malayalam'; 2377 $QuicktimeLanguageLookup[73] = 'Kannada'; 2378 $QuicktimeLanguageLookup[74] = 'Tamil'; 2379 $QuicktimeLanguageLookup[75] = 'Telugu'; 2380 $QuicktimeLanguageLookup[76] = 'Sinhalese'; 2381 $QuicktimeLanguageLookup[77] = 'Burmese'; 2382 $QuicktimeLanguageLookup[78] = 'Khmer'; 2383 $QuicktimeLanguageLookup[79] = 'Lao'; 2384 $QuicktimeLanguageLookup[80] = 'Vietnamese'; 2385 $QuicktimeLanguageLookup[81] = 'Indonesian'; 2386 $QuicktimeLanguageLookup[82] = 'Tagalog'; 2387 $QuicktimeLanguageLookup[83] = 'MalayRoman'; 2388 $QuicktimeLanguageLookup[84] = 'MalayArabic'; 2389 $QuicktimeLanguageLookup[85] = 'Amharic'; 2390 $QuicktimeLanguageLookup[86] = 'Tigrinya'; 2391 $QuicktimeLanguageLookup[87] = 'Galla'; 2392 $QuicktimeLanguageLookup[87] = 'Oromo'; 2393 $QuicktimeLanguageLookup[88] = 'Somali'; 2394 $QuicktimeLanguageLookup[89] = 'Swahili'; 2395 $QuicktimeLanguageLookup[90] = 'Ruanda'; 2396 $QuicktimeLanguageLookup[91] = 'Rundi'; 2397 $QuicktimeLanguageLookup[92] = 'Chewa'; 2398 $QuicktimeLanguageLookup[93] = 'Malagasy'; 2399 $QuicktimeLanguageLookup[94] = 'Esperanto'; 2400 $QuicktimeLanguageLookup[128] = 'Welsh'; 2401 $QuicktimeLanguageLookup[129] = 'Basque'; 2402 $QuicktimeLanguageLookup[130] = 'Catalan'; 2403 $QuicktimeLanguageLookup[131] = 'Latin'; 2404 $QuicktimeLanguageLookup[132] = 'Quechua'; 2405 $QuicktimeLanguageLookup[133] = 'Guarani'; 2406 $QuicktimeLanguageLookup[134] = 'Aymara'; 2407 $QuicktimeLanguageLookup[135] = 'Tatar'; 2408 $QuicktimeLanguageLookup[136] = 'Uighur'; 2409 $QuicktimeLanguageLookup[137] = 'Dzongkha'; 2410 $QuicktimeLanguageLookup[138] = 'JavaneseRom'; 2411 $QuicktimeLanguageLookup[32767] = 'Unspecified'; 2412 } 2413 if (($languageid > 138) && ($languageid < 32767)) { 2414 /* 2415 ISO Language Codes - http://www.loc.gov/standards/iso639-2/php/code_list.php 2416 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. 2417 The packing algorithm must map each of the three characters, which are always lowercase, into a 5-bit integer and then concatenate 2418 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. 2419 2420 One algorithm for performing this packing is to treat each ISO character as a 16-bit integer. Subtract 0x60 from the first character 2421 and multiply by 2^10 (0x400), subtract 0x60 from the second character and multiply by 2^5 (0x20), subtract 0x60 from the third character, 2422 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 2423 significant bits and the most significant bit set to zero. 2424 */ 2425 $iso_language_id = ''; 2426 $iso_language_id .= chr((($languageid & 0x7C00) >> 10) + 0x60); 2427 $iso_language_id .= chr((($languageid & 0x03E0) >> 5) + 0x60); 2428 $iso_language_id .= chr((($languageid & 0x001F) >> 0) + 0x60); 2429 $QuicktimeLanguageLookup[$languageid] = getid3_id3v2::LanguageLookup($iso_language_id); 2430 } 2431 return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid'); 2432 } 2433 2434 /** 2435 * @param string $codecid 2436 * 2437 * @return string 2438 */ 2439 public function QuicktimeVideoCodecLookup($codecid) { 2440 static $QuicktimeVideoCodecLookup = array(); 2441 if (empty($QuicktimeVideoCodecLookup)) { 2442 $QuicktimeVideoCodecLookup['.SGI'] = 'SGI'; 2443 $QuicktimeVideoCodecLookup['3IV1'] = '3ivx MPEG-4 v1'; 2444 $QuicktimeVideoCodecLookup['3IV2'] = '3ivx MPEG-4 v2'; 2445 $QuicktimeVideoCodecLookup['3IVX'] = '3ivx MPEG-4'; 2446 $QuicktimeVideoCodecLookup['8BPS'] = 'Planar RGB'; 2447 $QuicktimeVideoCodecLookup['avc1'] = 'H.264/MPEG-4 AVC'; 2448 $QuicktimeVideoCodecLookup['avr '] = 'AVR-JPEG'; 2449 $QuicktimeVideoCodecLookup['b16g'] = '16Gray'; 2450 $QuicktimeVideoCodecLookup['b32a'] = '32AlphaGray'; 2451 $QuicktimeVideoCodecLookup['b48r'] = '48RGB'; 2452 $QuicktimeVideoCodecLookup['b64a'] = '64ARGB'; 2453 $QuicktimeVideoCodecLookup['base'] = 'Base'; 2454 $QuicktimeVideoCodecLookup['clou'] = 'Cloud'; 2455 $QuicktimeVideoCodecLookup['cmyk'] = 'CMYK'; 2456 $QuicktimeVideoCodecLookup['cvid'] = 'Cinepak'; 2457 $QuicktimeVideoCodecLookup['dmb1'] = 'OpenDML JPEG'; 2458 $QuicktimeVideoCodecLookup['dvc '] = 'DVC-NTSC'; 2459 $QuicktimeVideoCodecLookup['dvcp'] = 'DVC-PAL'; 2460 $QuicktimeVideoCodecLookup['dvpn'] = 'DVCPro-NTSC'; 2461 $QuicktimeVideoCodecLookup['dvpp'] = 'DVCPro-PAL'; 2462 $QuicktimeVideoCodecLookup['fire'] = 'Fire'; 2463 $QuicktimeVideoCodecLookup['flic'] = 'FLC'; 2464 $QuicktimeVideoCodecLookup['gif '] = 'GIF'; 2465 $QuicktimeVideoCodecLookup['h261'] = 'H261'; 2466 $QuicktimeVideoCodecLookup['h263'] = 'H263'; 2467 $QuicktimeVideoCodecLookup['hvc1'] = 'H.265/HEVC'; 2468 $QuicktimeVideoCodecLookup['IV41'] = 'Indeo4'; 2469 $QuicktimeVideoCodecLookup['jpeg'] = 'JPEG'; 2470 $QuicktimeVideoCodecLookup['kpcd'] = 'PhotoCD'; 2471 $QuicktimeVideoCodecLookup['mjpa'] = 'Motion JPEG-A'; 2472 $QuicktimeVideoCodecLookup['mjpb'] = 'Motion JPEG-B'; 2473 $QuicktimeVideoCodecLookup['msvc'] = 'Microsoft Video1'; 2474 $QuicktimeVideoCodecLookup['myuv'] = 'MPEG YUV420'; 2475 $QuicktimeVideoCodecLookup['path'] = 'Vector'; 2476 $QuicktimeVideoCodecLookup['png '] = 'PNG'; 2477 $QuicktimeVideoCodecLookup['PNTG'] = 'MacPaint'; 2478 $QuicktimeVideoCodecLookup['qdgx'] = 'QuickDrawGX'; 2479 $QuicktimeVideoCodecLookup['qdrw'] = 'QuickDraw'; 2480 $QuicktimeVideoCodecLookup['raw '] = 'RAW'; 2481 $QuicktimeVideoCodecLookup['ripl'] = 'WaterRipple'; 2482 $QuicktimeVideoCodecLookup['rpza'] = 'Video'; 2483 $QuicktimeVideoCodecLookup['smc '] = 'Graphics'; 2484 $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 1'; 2485 $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 3'; 2486 $QuicktimeVideoCodecLookup['syv9'] = 'Sorenson YUV9'; 2487 $QuicktimeVideoCodecLookup['tga '] = 'Targa'; 2488 $QuicktimeVideoCodecLookup['tiff'] = 'TIFF'; 2489 $QuicktimeVideoCodecLookup['WRAW'] = 'Windows RAW'; 2490 $QuicktimeVideoCodecLookup['WRLE'] = 'BMP'; 2491 $QuicktimeVideoCodecLookup['y420'] = 'YUV420'; 2492 $QuicktimeVideoCodecLookup['yuv2'] = 'ComponentVideo'; 2493 $QuicktimeVideoCodecLookup['yuvs'] = 'ComponentVideoUnsigned'; 2494 $QuicktimeVideoCodecLookup['yuvu'] = 'ComponentVideoSigned'; 2495 } 2496 return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : ''); 2497 } 2498 2499 /** 2500 * @param string $codecid 2501 * 2502 * @return mixed|string 2503 */ 2504 public function QuicktimeAudioCodecLookup($codecid) { 2505 static $QuicktimeAudioCodecLookup = array(); 2506 if (empty($QuicktimeAudioCodecLookup)) { 2507 $QuicktimeAudioCodecLookup['.mp3'] = 'Fraunhofer MPEG Layer-III alias'; 2508 $QuicktimeAudioCodecLookup['aac '] = 'ISO/IEC 14496-3 AAC'; 2509 $QuicktimeAudioCodecLookup['agsm'] = 'Apple GSM 10:1'; 2510 $QuicktimeAudioCodecLookup['alac'] = 'Apple Lossless Audio Codec'; 2511 $QuicktimeAudioCodecLookup['alaw'] = 'A-law 2:1'; 2512 $QuicktimeAudioCodecLookup['conv'] = 'Sample Format'; 2513 $QuicktimeAudioCodecLookup['dvca'] = 'DV'; 2514 $QuicktimeAudioCodecLookup['dvi '] = 'DV 4:1'; 2515 $QuicktimeAudioCodecLookup['eqal'] = 'Frequency Equalizer'; 2516 $QuicktimeAudioCodecLookup['fl32'] = '32-bit Floating Point'; 2517 $QuicktimeAudioCodecLookup['fl64'] = '64-bit Floating Point'; 2518 $QuicktimeAudioCodecLookup['ima4'] = 'Interactive Multimedia Association 4:1'; 2519 $QuicktimeAudioCodecLookup['in24'] = '24-bit Integer'; 2520 $QuicktimeAudioCodecLookup['in32'] = '32-bit Integer'; 2521 $QuicktimeAudioCodecLookup['lpc '] = 'LPC 23:1'; 2522 $QuicktimeAudioCodecLookup['MAC3'] = 'Macintosh Audio Compression/Expansion (MACE) 3:1'; 2523 $QuicktimeAudioCodecLookup['MAC6'] = 'Macintosh Audio Compression/Expansion (MACE) 6:1'; 2524 $QuicktimeAudioCodecLookup['mixb'] = '8-bit Mixer'; 2525 $QuicktimeAudioCodecLookup['mixw'] = '16-bit Mixer'; 2526 $QuicktimeAudioCodecLookup['mp4a'] = 'ISO/IEC 14496-3 AAC'; 2527 $QuicktimeAudioCodecLookup['MS'."\x00\x02"] = 'Microsoft ADPCM'; 2528 $QuicktimeAudioCodecLookup['MS'."\x00\x11"] = 'DV IMA'; 2529 $QuicktimeAudioCodecLookup['MS'."\x00\x55"] = 'Fraunhofer MPEG Layer III'; 2530 $QuicktimeAudioCodecLookup['NONE'] = 'No Encoding'; 2531 $QuicktimeAudioCodecLookup['Qclp'] = 'Qualcomm PureVoice'; 2532 $QuicktimeAudioCodecLookup['QDM2'] = 'QDesign Music 2'; 2533 $QuicktimeAudioCodecLookup['QDMC'] = 'QDesign Music 1'; 2534 $QuicktimeAudioCodecLookup['ratb'] = '8-bit Rate'; 2535 $QuicktimeAudioCodecLookup['ratw'] = '16-bit Rate'; 2536 $QuicktimeAudioCodecLookup['raw '] = 'raw PCM'; 2537 $QuicktimeAudioCodecLookup['sour'] = 'Sound Source'; 2538 $QuicktimeAudioCodecLookup['sowt'] = 'signed/two\'s complement (Little Endian)'; 2539 $QuicktimeAudioCodecLookup['str1'] = 'Iomega MPEG layer II'; 2540 $QuicktimeAudioCodecLookup['str2'] = 'Iomega MPEG *layer II'; 2541 $QuicktimeAudioCodecLookup['str3'] = 'Iomega MPEG **layer II'; 2542 $QuicktimeAudioCodecLookup['str4'] = 'Iomega MPEG ***layer II'; 2543 $QuicktimeAudioCodecLookup['twos'] = 'signed/two\'s complement (Big Endian)'; 2544 $QuicktimeAudioCodecLookup['ulaw'] = 'mu-law 2:1'; 2545 } 2546 return (isset($QuicktimeAudioCodecLookup[$codecid]) ? $QuicktimeAudioCodecLookup[$codecid] : ''); 2547 } 2548 2549 /** 2550 * @param string $compressionid 2551 * 2552 * @return string 2553 */ 2554 public function QuicktimeDCOMLookup($compressionid) { 2555 static $QuicktimeDCOMLookup = array(); 2556 if (empty($QuicktimeDCOMLookup)) { 2557 $QuicktimeDCOMLookup['zlib'] = 'ZLib Deflate'; 2558 $QuicktimeDCOMLookup['adec'] = 'Apple Compression'; 2559 } 2560 return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : ''); 2561 } 2562 2563 /** 2564 * @param int $colordepthid 2565 * 2566 * @return string 2567 */ 2568 public function QuicktimeColorNameLookup($colordepthid) { 2569 static $QuicktimeColorNameLookup = array(); 2570 if (empty($QuicktimeColorNameLookup)) { 2571 $QuicktimeColorNameLookup[1] = '2-color (monochrome)'; 2572 $QuicktimeColorNameLookup[2] = '4-color'; 2573 $QuicktimeColorNameLookup[4] = '16-color'; 2574 $QuicktimeColorNameLookup[8] = '256-color'; 2575 $QuicktimeColorNameLookup[16] = 'thousands (16-bit color)'; 2576 $QuicktimeColorNameLookup[24] = 'millions (24-bit color)'; 2577 $QuicktimeColorNameLookup[32] = 'millions+ (32-bit color)'; 2578 $QuicktimeColorNameLookup[33] = 'black & white'; 2579 $QuicktimeColorNameLookup[34] = '4-gray'; 2580 $QuicktimeColorNameLookup[36] = '16-gray'; 2581 $QuicktimeColorNameLookup[40] = '256-gray'; 2582 } 2583 return (isset($QuicktimeColorNameLookup[$colordepthid]) ? $QuicktimeColorNameLookup[$colordepthid] : 'invalid'); 2584 } 2585 2586 /** 2587 * @param int $stik 2588 * 2589 * @return string 2590 */ 2591 public function QuicktimeSTIKLookup($stik) { 2592 static $QuicktimeSTIKLookup = array(); 2593 if (empty($QuicktimeSTIKLookup)) { 2594 $QuicktimeSTIKLookup[0] = 'Movie'; 2595 $QuicktimeSTIKLookup[1] = 'Normal'; 2596 $QuicktimeSTIKLookup[2] = 'Audiobook'; 2597 $QuicktimeSTIKLookup[5] = 'Whacked Bookmark'; 2598 $QuicktimeSTIKLookup[6] = 'Music Video'; 2599 $QuicktimeSTIKLookup[9] = 'Short Film'; 2600 $QuicktimeSTIKLookup[10] = 'TV Show'; 2601 $QuicktimeSTIKLookup[11] = 'Booklet'; 2602 $QuicktimeSTIKLookup[14] = 'Ringtone'; 2603 $QuicktimeSTIKLookup[21] = 'Podcast'; 2604 } 2605 return (isset($QuicktimeSTIKLookup[$stik]) ? $QuicktimeSTIKLookup[$stik] : 'invalid'); 2606 } 2607 2608 /** 2609 * @param int $audio_profile_id 2610 * 2611 * @return string 2612 */ 2613 public function QuicktimeIODSaudioProfileName($audio_profile_id) { 2614 static $QuicktimeIODSaudioProfileNameLookup = array(); 2615 if (empty($QuicktimeIODSaudioProfileNameLookup)) { 2616 $QuicktimeIODSaudioProfileNameLookup = array( 2617 0x00 => 'ISO Reserved (0x00)', 2618 0x01 => 'Main Audio Profile @ Level 1', 2619 0x02 => 'Main Audio Profile @ Level 2', 2620 0x03 => 'Main Audio Profile @ Level 3', 2621 0x04 => 'Main Audio Profile @ Level 4', 2622 0x05 => 'Scalable Audio Profile @ Level 1', 2623 0x06 => 'Scalable Audio Profile @ Level 2', 2624 0x07 => 'Scalable Audio Profile @ Level 3', 2625 0x08 => 'Scalable Audio Profile @ Level 4', 2626 0x09 => 'Speech Audio Profile @ Level 1', 2627 0x0A => 'Speech Audio Profile @ Level 2', 2628 0x0B => 'Synthetic Audio Profile @ Level 1', 2629 0x0C => 'Synthetic Audio Profile @ Level 2', 2630 0x0D => 'Synthetic Audio Profile @ Level 3', 2631 0x0E => 'High Quality Audio Profile @ Level 1', 2632 0x0F => 'High Quality Audio Profile @ Level 2', 2633 0x10 => 'High Quality Audio Profile @ Level 3', 2634 0x11 => 'High Quality Audio Profile @ Level 4', 2635 0x12 => 'High Quality Audio Profile @ Level 5', 2636 0x13 => 'High Quality Audio Profile @ Level 6', 2637 0x14 => 'High Quality Audio Profile @ Level 7', 2638 0x15 => 'High Quality Audio Profile @ Level 8', 2639 0x16 => 'Low Delay Audio Profile @ Level 1', 2640 0x17 => 'Low Delay Audio Profile @ Level 2', 2641 0x18 => 'Low Delay Audio Profile @ Level 3', 2642 0x19 => 'Low Delay Audio Profile @ Level 4', 2643 0x1A => 'Low Delay Audio Profile @ Level 5', 2644 0x1B => 'Low Delay Audio Profile @ Level 6', 2645 0x1C => 'Low Delay Audio Profile @ Level 7', 2646 0x1D => 'Low Delay Audio Profile @ Level 8', 2647 0x1E => 'Natural Audio Profile @ Level 1', 2648 0x1F => 'Natural Audio Profile @ Level 2', 2649 0x20 => 'Natural Audio Profile @ Level 3', 2650 0x21 => 'Natural Audio Profile @ Level 4', 2651 0x22 => 'Mobile Audio Internetworking Profile @ Level 1', 2652 0x23 => 'Mobile Audio Internetworking Profile @ Level 2', 2653 0x24 => 'Mobile Audio Internetworking Profile @ Level 3', 2654 0x25 => 'Mobile Audio Internetworking Profile @ Level 4', 2655 0x26 => 'Mobile Audio Internetworking Profile @ Level 5', 2656 0x27 => 'Mobile Audio Internetworking Profile @ Level 6', 2657 0x28 => 'AAC Profile @ Level 1', 2658 0x29 => 'AAC Profile @ Level 2', 2659 0x2A => 'AAC Profile @ Level 4', 2660 0x2B => 'AAC Profile @ Level 5', 2661 0x2C => 'High Efficiency AAC Profile @ Level 2', 2662 0x2D => 'High Efficiency AAC Profile @ Level 3', 2663 0x2E => 'High Efficiency AAC Profile @ Level 4', 2664 0x2F => 'High Efficiency AAC Profile @ Level 5', 2665 0xFE => 'Not part of MPEG-4 audio profiles', 2666 0xFF => 'No audio capability required', 2667 ); 2668 } 2669 return (isset($QuicktimeIODSaudioProfileNameLookup[$audio_profile_id]) ? $QuicktimeIODSaudioProfileNameLookup[$audio_profile_id] : 'ISO Reserved / User Private'); 2670 } 2671 2672 /** 2673 * @param int $video_profile_id 2674 * 2675 * @return string 2676 */ 2677 public function QuicktimeIODSvideoProfileName($video_profile_id) { 2678 static $QuicktimeIODSvideoProfileNameLookup = array(); 2679 if (empty($QuicktimeIODSvideoProfileNameLookup)) { 2680 $QuicktimeIODSvideoProfileNameLookup = array( 2681 0x00 => 'Reserved (0x00) Profile', 2682 0x01 => 'Simple Profile @ Level 1', 2683 0x02 => 'Simple Profile @ Level 2', 2684 0x03 => 'Simple Profile @ Level 3', 2685 0x08 => 'Simple Profile @ Level 0', 2686 0x10 => 'Simple Scalable Profile @ Level 0', 2687 0x11 => 'Simple Scalable Profile @ Level 1', 2688 0x12 => 'Simple Scalable Profile @ Level 2', 2689 0x15 => 'AVC/H264 Profile', 2690 0x21 => 'Core Profile @ Level 1', 2691 0x22 => 'Core Profile @ Level 2', 2692 0x32 => 'Main Profile @ Level 2', 2693 0x33 => 'Main Profile @ Level 3', 2694 0x34 => 'Main Profile @ Level 4', 2695 0x42 => 'N-bit Profile @ Level 2', 2696 0x51 => 'Scalable Texture Profile @ Level 1', 2697 0x61 => 'Simple Face Animation Profile @ Level 1', 2698 0x62 => 'Simple Face Animation Profile @ Level 2', 2699 0x63 => 'Simple FBA Profile @ Level 1', 2700 0x64 => 'Simple FBA Profile @ Level 2', 2701 0x71 => 'Basic Animated Texture Profile @ Level 1', 2702 0x72 => 'Basic Animated Texture Profile @ Level 2', 2703 0x81 => 'Hybrid Profile @ Level 1', 2704 0x82 => 'Hybrid Profile @ Level 2', 2705 0x91 => 'Advanced Real Time Simple Profile @ Level 1', 2706 0x92 => 'Advanced Real Time Simple Profile @ Level 2', 2707 0x93 => 'Advanced Real Time Simple Profile @ Level 3', 2708 0x94 => 'Advanced Real Time Simple Profile @ Level 4', 2709 0xA1 => 'Core Scalable Profile @ Level1', 2710 0xA2 => 'Core Scalable Profile @ Level2', 2711 0xA3 => 'Core Scalable Profile @ Level3', 2712 0xB1 => 'Advanced Coding Efficiency Profile @ Level 1', 2713 0xB2 => 'Advanced Coding Efficiency Profile @ Level 2', 2714 0xB3 => 'Advanced Coding Efficiency Profile @ Level 3', 2715 0xB4 => 'Advanced Coding Efficiency Profile @ Level 4', 2716 0xC1 => 'Advanced Core Profile @ Level 1', 2717 0xC2 => 'Advanced Core Profile @ Level 2', 2718 0xD1 => 'Advanced Scalable Texture @ Level1', 2719 0xD2 => 'Advanced Scalable Texture @ Level2', 2720 0xE1 => 'Simple Studio Profile @ Level 1', 2721 0xE2 => 'Simple Studio Profile @ Level 2', 2722 0xE3 => 'Simple Studio Profile @ Level 3', 2723 0xE4 => 'Simple Studio Profile @ Level 4', 2724 0xE5 => 'Core Studio Profile @ Level 1', 2725 0xE6 => 'Core Studio Profile @ Level 2', 2726 0xE7 => 'Core Studio Profile @ Level 3', 2727 0xE8 => 'Core Studio Profile @ Level 4', 2728 0xF0 => 'Advanced Simple Profile @ Level 0', 2729 0xF1 => 'Advanced Simple Profile @ Level 1', 2730 0xF2 => 'Advanced Simple Profile @ Level 2', 2731 0xF3 => 'Advanced Simple Profile @ Level 3', 2732 0xF4 => 'Advanced Simple Profile @ Level 4', 2733 0xF5 => 'Advanced Simple Profile @ Level 5', 2734 0xF7 => 'Advanced Simple Profile @ Level 3b', 2735 0xF8 => 'Fine Granularity Scalable Profile @ Level 0', 2736 0xF9 => 'Fine Granularity Scalable Profile @ Level 1', 2737 0xFA => 'Fine Granularity Scalable Profile @ Level 2', 2738 0xFB => 'Fine Granularity Scalable Profile @ Level 3', 2739 0xFC => 'Fine Granularity Scalable Profile @ Level 4', 2740 0xFD => 'Fine Granularity Scalable Profile @ Level 5', 2741 0xFE => 'Not part of MPEG-4 Visual profiles', 2742 0xFF => 'No visual capability required', 2743 ); 2744 } 2745 return (isset($QuicktimeIODSvideoProfileNameLookup[$video_profile_id]) ? $QuicktimeIODSvideoProfileNameLookup[$video_profile_id] : 'ISO Reserved Profile'); 2746 } 2747 2748 /** 2749 * @param int $rtng 2750 * 2751 * @return string 2752 */ 2753 public function QuicktimeContentRatingLookup($rtng) { 2754 static $QuicktimeContentRatingLookup = array(); 2755 if (empty($QuicktimeContentRatingLookup)) { 2756 $QuicktimeContentRatingLookup[0] = 'None'; 2757 $QuicktimeContentRatingLookup[1] = 'Explicit'; 2758 $QuicktimeContentRatingLookup[2] = 'Clean'; 2759 $QuicktimeContentRatingLookup[4] = 'Explicit (old)'; 2760 } 2761 return (isset($QuicktimeContentRatingLookup[$rtng]) ? $QuicktimeContentRatingLookup[$rtng] : 'invalid'); 2762 } 2763 2764 /** 2765 * @param int $akid 2766 * 2767 * @return string 2768 */ 2769 public function QuicktimeStoreAccountTypeLookup($akid) { 2770 static $QuicktimeStoreAccountTypeLookup = array(); 2771 if (empty($QuicktimeStoreAccountTypeLookup)) { 2772 $QuicktimeStoreAccountTypeLookup[0] = 'iTunes'; 2773 $QuicktimeStoreAccountTypeLookup[1] = 'AOL'; 2774 } 2775 return (isset($QuicktimeStoreAccountTypeLookup[$akid]) ? $QuicktimeStoreAccountTypeLookup[$akid] : 'invalid'); 2776 } 2777 2778 /** 2779 * @param int $sfid 2780 * 2781 * @return string 2782 */ 2783 public function QuicktimeStoreFrontCodeLookup($sfid) { 2784 static $QuicktimeStoreFrontCodeLookup = array(); 2785 if (empty($QuicktimeStoreFrontCodeLookup)) { 2786 $QuicktimeStoreFrontCodeLookup[143460] = 'Australia'; 2787 $QuicktimeStoreFrontCodeLookup[143445] = 'Austria'; 2788 $QuicktimeStoreFrontCodeLookup[143446] = 'Belgium'; 2789 $QuicktimeStoreFrontCodeLookup[143455] = 'Canada'; 2790 $QuicktimeStoreFrontCodeLookup[143458] = 'Denmark'; 2791 $QuicktimeStoreFrontCodeLookup[143447] = 'Finland'; 2792 $QuicktimeStoreFrontCodeLookup[143442] = 'France'; 2793 $QuicktimeStoreFrontCodeLookup[143443] = 'Germany'; 2794 $QuicktimeStoreFrontCodeLookup[143448] = 'Greece'; 2795 $QuicktimeStoreFrontCodeLookup[143449] = 'Ireland'; 2796 $QuicktimeStoreFrontCodeLookup[143450] = 'Italy'; 2797 $QuicktimeStoreFrontCodeLookup[143462] = 'Japan'; 2798 $QuicktimeStoreFrontCodeLookup[143451] = 'Luxembourg'; 2799 $QuicktimeStoreFrontCodeLookup[143452] = 'Netherlands'; 2800 $QuicktimeStoreFrontCodeLookup[143461] = 'New Zealand'; 2801 $QuicktimeStoreFrontCodeLookup[143457] = 'Norway'; 2802 $QuicktimeStoreFrontCodeLookup[143453] = 'Portugal'; 2803 $QuicktimeStoreFrontCodeLookup[143454] = 'Spain'; 2804 $QuicktimeStoreFrontCodeLookup[143456] = 'Sweden'; 2805 $QuicktimeStoreFrontCodeLookup[143459] = 'Switzerland'; 2806 $QuicktimeStoreFrontCodeLookup[143444] = 'United Kingdom'; 2807 $QuicktimeStoreFrontCodeLookup[143441] = 'United States'; 2808 } 2809 return (isset($QuicktimeStoreFrontCodeLookup[$sfid]) ? $QuicktimeStoreFrontCodeLookup[$sfid] : 'invalid'); 2810 } 2811 2812 /** 2813 * @param string $keyname 2814 * @param string|array $data 2815 * @param string $boxname 2816 * 2817 * @return bool 2818 */ 2819 public function CopyToAppropriateCommentsSection($keyname, $data, $boxname='') { 2820 static $handyatomtranslatorarray = array(); 2821 if (empty($handyatomtranslatorarray)) { 2822 // http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt 2823 // http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt 2824 // http://atomicparsley.sourceforge.net/mpeg-4files.html 2825 // https://code.google.com/p/mp4v2/wiki/iTunesMetadata 2826 $handyatomtranslatorarray["\xA9".'alb'] = 'album'; // iTunes 4.0 2827 $handyatomtranslatorarray["\xA9".'ART'] = 'artist'; 2828 $handyatomtranslatorarray["\xA9".'art'] = 'artist'; // iTunes 4.0 2829 $handyatomtranslatorarray["\xA9".'aut'] = 'author'; 2830 $handyatomtranslatorarray["\xA9".'cmt'] = 'comment'; // iTunes 4.0 2831 $handyatomtranslatorarray["\xA9".'com'] = 'comment'; 2832 $handyatomtranslatorarray["\xA9".'cpy'] = 'copyright'; 2833 $handyatomtranslatorarray["\xA9".'day'] = 'creation_date'; // iTunes 4.0 2834 $handyatomtranslatorarray["\xA9".'dir'] = 'director'; 2835 $handyatomtranslatorarray["\xA9".'ed1'] = 'edit1'; 2836 $handyatomtranslatorarray["\xA9".'ed2'] = 'edit2'; 2837 $handyatomtranslatorarray["\xA9".'ed3'] = 'edit3'; 2838 $handyatomtranslatorarray["\xA9".'ed4'] = 'edit4'; 2839 $handyatomtranslatorarray["\xA9".'ed5'] = 'edit5'; 2840 $handyatomtranslatorarray["\xA9".'ed6'] = 'edit6'; 2841 $handyatomtranslatorarray["\xA9".'ed7'] = 'edit7'; 2842 $handyatomtranslatorarray["\xA9".'ed8'] = 'edit8'; 2843 $handyatomtranslatorarray["\xA9".'ed9'] = 'edit9'; 2844 $handyatomtranslatorarray["\xA9".'enc'] = 'encoded_by'; 2845 $handyatomtranslatorarray["\xA9".'fmt'] = 'format'; 2846 $handyatomtranslatorarray["\xA9".'gen'] = 'genre'; // iTunes 4.0 2847 $handyatomtranslatorarray["\xA9".'grp'] = 'grouping'; // iTunes 4.2 2848 $handyatomtranslatorarray["\xA9".'hst'] = 'host_computer'; 2849 $handyatomtranslatorarray["\xA9".'inf'] = 'information'; 2850 $handyatomtranslatorarray["\xA9".'lyr'] = 'lyrics'; // iTunes 5.0 2851 $handyatomtranslatorarray["\xA9".'mak'] = 'make'; 2852 $handyatomtranslatorarray["\xA9".'mod'] = 'model'; 2853 $handyatomtranslatorarray["\xA9".'nam'] = 'title'; // iTunes 4.0 2854 $handyatomtranslatorarray["\xA9".'ope'] = 'composer'; 2855 $handyatomtranslatorarray["\xA9".'prd'] = 'producer'; 2856 $handyatomtranslatorarray["\xA9".'PRD'] = 'product'; 2857 $handyatomtranslatorarray["\xA9".'prf'] = 'performers'; 2858 $handyatomtranslatorarray["\xA9".'req'] = 'system_requirements'; 2859 $handyatomtranslatorarray["\xA9".'src'] = 'source_credit'; 2860 $handyatomtranslatorarray["\xA9".'swr'] = 'software'; 2861 $handyatomtranslatorarray["\xA9".'too'] = 'encoding_tool'; // iTunes 4.0 2862 $handyatomtranslatorarray["\xA9".'trk'] = 'track_number'; 2863 $handyatomtranslatorarray["\xA9".'url'] = 'url'; 2864 $handyatomtranslatorarray["\xA9".'wrn'] = 'warning'; 2865 $handyatomtranslatorarray["\xA9".'wrt'] = 'composer'; 2866 $handyatomtranslatorarray['aART'] = 'album_artist'; 2867 $handyatomtranslatorarray['apID'] = 'purchase_account'; 2868 $handyatomtranslatorarray['catg'] = 'category'; // iTunes 4.9 2869 $handyatomtranslatorarray['covr'] = 'picture'; // iTunes 4.0 2870 $handyatomtranslatorarray['cpil'] = 'compilation'; // iTunes 4.0 2871 $handyatomtranslatorarray['cprt'] = 'copyright'; // iTunes 4.0? 2872 $handyatomtranslatorarray['desc'] = 'description'; // iTunes 5.0 2873 $handyatomtranslatorarray['disk'] = 'disc_number'; // iTunes 4.0 2874 $handyatomtranslatorarray['egid'] = 'episode_guid'; // iTunes 4.9 2875 $handyatomtranslatorarray['gnre'] = 'genre'; // iTunes 4.0 2876 $handyatomtranslatorarray['hdvd'] = 'hd_video'; // iTunes 4.0 2877 $handyatomtranslatorarray['ldes'] = 'description_long'; // 2878 $handyatomtranslatorarray['keyw'] = 'keyword'; // iTunes 4.9 2879 $handyatomtranslatorarray['pcst'] = 'podcast'; // iTunes 4.9 2880 $handyatomtranslatorarray['pgap'] = 'gapless_playback'; // iTunes 7.0 2881 $handyatomtranslatorarray['purd'] = 'purchase_date'; // iTunes 6.0.2 2882 $handyatomtranslatorarray['purl'] = 'podcast_url'; // iTunes 4.9 2883 $handyatomtranslatorarray['rtng'] = 'rating'; // iTunes 4.0 2884 $handyatomtranslatorarray['soaa'] = 'sort_album_artist'; // 2885 $handyatomtranslatorarray['soal'] = 'sort_album'; // 2886 $handyatomtranslatorarray['soar'] = 'sort_artist'; // 2887 $handyatomtranslatorarray['soco'] = 'sort_composer'; // 2888 $handyatomtranslatorarray['sonm'] = 'sort_title'; // 2889 $handyatomtranslatorarray['sosn'] = 'sort_show'; // 2890 $handyatomtranslatorarray['stik'] = 'stik'; // iTunes 4.9 2891 $handyatomtranslatorarray['tmpo'] = 'bpm'; // iTunes 4.0 2892 $handyatomtranslatorarray['trkn'] = 'track_number'; // iTunes 4.0 2893 $handyatomtranslatorarray['tven'] = 'tv_episode_id'; // 2894 $handyatomtranslatorarray['tves'] = 'tv_episode'; // iTunes 6.0 2895 $handyatomtranslatorarray['tvnn'] = 'tv_network_name'; // iTunes 6.0 2896 $handyatomtranslatorarray['tvsh'] = 'tv_show_name'; // iTunes 6.0 2897 $handyatomtranslatorarray['tvsn'] = 'tv_season'; // iTunes 6.0 2898 2899 // boxnames: 2900 /* 2901 $handyatomtranslatorarray['iTunSMPB'] = 'iTunSMPB'; 2902 $handyatomtranslatorarray['iTunNORM'] = 'iTunNORM'; 2903 $handyatomtranslatorarray['Encoding Params'] = 'Encoding Params'; 2904 $handyatomtranslatorarray['replaygain_track_gain'] = 'replaygain_track_gain'; 2905 $handyatomtranslatorarray['replaygain_track_peak'] = 'replaygain_track_peak'; 2906 $handyatomtranslatorarray['replaygain_track_minmax'] = 'replaygain_track_minmax'; 2907 $handyatomtranslatorarray['MusicIP PUID'] = 'MusicIP PUID'; 2908 $handyatomtranslatorarray['MusicBrainz Artist Id'] = 'MusicBrainz Artist Id'; 2909 $handyatomtranslatorarray['MusicBrainz Album Id'] = 'MusicBrainz Album Id'; 2910 $handyatomtranslatorarray['MusicBrainz Album Artist Id'] = 'MusicBrainz Album Artist Id'; 2911 $handyatomtranslatorarray['MusicBrainz Track Id'] = 'MusicBrainz Track Id'; 2912 $handyatomtranslatorarray['MusicBrainz Disc Id'] = 'MusicBrainz Disc Id'; 2913 2914 // http://age.hobba.nl/audio/tag_frame_reference.html 2915 $handyatomtranslatorarray['PLAY_COUNTER'] = 'play_counter'; // Foobar2000 - https://www.getid3.org/phpBB3/viewtopic.php?t=1355 2916 $handyatomtranslatorarray['MEDIATYPE'] = 'mediatype'; // Foobar2000 - https://www.getid3.org/phpBB3/viewtopic.php?t=1355 2917 */ 2918 } 2919 $info = &$this->getid3->info; 2920 $comment_key = ''; 2921 if ($boxname && ($boxname != $keyname)) { 2922 $comment_key = (isset($handyatomtranslatorarray[$boxname]) ? $handyatomtranslatorarray[$boxname] : $boxname); 2923 } elseif (isset($handyatomtranslatorarray[$keyname])) { 2924 $comment_key = $handyatomtranslatorarray[$keyname]; 2925 } 2926 if ($comment_key) { 2927 if ($comment_key == 'picture') { 2928 // already copied directly into [comments][picture] elsewhere, do not re-copy here 2929 return true; 2930 } 2931 $gooddata = array($data); 2932 if ($comment_key == 'genre') { 2933 // some other taggers separate multiple genres with semicolon, e.g. "Heavy Metal;Thrash Metal;Metal" 2934 $gooddata = explode(';', $data); 2935 } 2936 foreach ($gooddata as $data) { 2937 if (!empty($info['quicktime']['comments'][$comment_key]) && in_array($data, $info['quicktime']['comments'][$comment_key], true)) { 2938 // avoid duplicate copies of identical data 2939 continue; 2940 } 2941 $info['quicktime']['comments'][$comment_key][] = $data; 2942 } 2943 } 2944 return true; 2945 } 2946 2947 /** 2948 * @param string $lstring 2949 * @param int $count 2950 * 2951 * @return string 2952 */ 2953 public function LociString($lstring, &$count) { 2954 // Loci strings are UTF-8 or UTF-16 and null (x00/x0000) terminated. UTF-16 has a BOM 2955 // Also need to return the number of bytes the string occupied so additional fields can be extracted 2956 $len = strlen($lstring); 2957 if ($len == 0) { 2958 $count = 0; 2959 return ''; 2960 } 2961 if ($lstring[0] == "\x00") { 2962 $count = 1; 2963 return ''; 2964 } 2965 // check for BOM 2966 if (($len > 2) && ((($lstring[0] == "\xFE") && ($lstring[1] == "\xFF")) || (($lstring[0] == "\xFF") && ($lstring[1] == "\xFE")))) { 2967 // UTF-16 2968 if (preg_match('/(.*)\x00/', $lstring, $lmatches)) { 2969 $count = strlen($lmatches[1]) * 2 + 2; //account for 2 byte characters and trailing \x0000 2970 return getid3_lib::iconv_fallback_utf16_utf8($lmatches[1]); 2971 } else { 2972 return ''; 2973 } 2974 } 2975 // UTF-8 2976 if (preg_match('/(.*)\x00/', $lstring, $lmatches)) { 2977 $count = strlen($lmatches[1]) + 1; //account for trailing \x00 2978 return $lmatches[1]; 2979 } 2980 return ''; 2981 } 2982 2983 /** 2984 * @param string $nullterminatedstring 2985 * 2986 * @return string 2987 */ 2988 public function NoNullString($nullterminatedstring) { 2989 // remove the single null terminator on null terminated strings 2990 if (substr($nullterminatedstring, strlen($nullterminatedstring) - 1, 1) === "\x00") { 2991 return substr($nullterminatedstring, 0, strlen($nullterminatedstring) - 1); 2992 } 2993 return $nullterminatedstring; 2994 } 2995 2996 /** 2997 * @param string $pascalstring 2998 * 2999 * @return string 3000 */ 3001 public function Pascal2String($pascalstring) { 3002 // Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string 3003 return substr($pascalstring, 1); 3004 } 3005 3006 /** 3007 * @param string $pascalstring 3008 * 3009 * @return string 3010 */ 3011 public function MaybePascal2String($pascalstring) { 3012 // Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string 3013 // Check if string actually is in this format or written incorrectly, straight string, or null-terminated string 3014 if (ord(substr($pascalstring, 0, 1)) == (strlen($pascalstring) - 1)) { 3015 return substr($pascalstring, 1); 3016 } elseif (substr($pascalstring, -1, 1) == "\x00") { 3017 // appears to be null-terminated instead of Pascal-style 3018 return substr($pascalstring, 0, -1); 3019 } 3020 return $pascalstring; 3021 } 3022 3023 3024 /** 3025 * Helper functions for m4b audiobook chapters 3026 * code by Steffen Hartmann 2015-Nov-08. 3027 * 3028 * @param array $info 3029 * @param string $tag 3030 * @param string $history 3031 * @param array $result 3032 */ 3033 public function search_tag_by_key($info, $tag, $history, &$result) { 3034 foreach ($info as $key => $value) { 3035 $key_history = $history.'/'.$key; 3036 if ($key === $tag) { 3037 $result[] = array($key_history, $info); 3038 } else { 3039 if (is_array($value)) { 3040 $this->search_tag_by_key($value, $tag, $key_history, $result); 3041 } 3042 } 3043 } 3044 } 3045 3046 /** 3047 * @param array $info 3048 * @param string $k 3049 * @param string $v 3050 * @param string $history 3051 * @param array $result 3052 */ 3053 public function search_tag_by_pair($info, $k, $v, $history, &$result) { 3054 foreach ($info as $key => $value) { 3055 $key_history = $history.'/'.$key; 3056 if (($key === $k) && ($value === $v)) { 3057 $result[] = array($key_history, $info); 3058 } else { 3059 if (is_array($value)) { 3060 $this->search_tag_by_pair($value, $k, $v, $key_history, $result); 3061 } 3062 } 3063 } 3064 } 3065 3066 /** 3067 * @param array $info 3068 * 3069 * @return array 3070 */ 3071 public function quicktime_time_to_sample_table($info) { 3072 $res = array(); 3073 $this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res); 3074 foreach ($res as $value) { 3075 $stbl_res = array(); 3076 $this->search_tag_by_pair($value[1], 'data_format', 'text', $value[0], $stbl_res); 3077 if (count($stbl_res) > 0) { 3078 $stts_res = array(); 3079 $this->search_tag_by_key($value[1], 'time_to_sample_table', $value[0], $stts_res); 3080 if (count($stts_res) > 0) { 3081 return $stts_res[0][1]['time_to_sample_table']; 3082 } 3083 } 3084 } 3085 return array(); 3086 } 3087 3088 3089 /** 3090 * @param array $info 3091 * 3092 * @return int 3093 */ 3094 public function quicktime_bookmark_time_scale($info) { 3095 $time_scale = ''; 3096 $ts_prefix_len = 0; 3097 $res = array(); 3098 $this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res); 3099 foreach ($res as $value) { 3100 $stbl_res = array(); 3101 $this->search_tag_by_pair($value[1], 'data_format', 'text', $value[0], $stbl_res); 3102 if (count($stbl_res) > 0) { 3103 $ts_res = array(); 3104 $this->search_tag_by_key($info['quicktime']['moov'], 'time_scale', 'quicktime/moov', $ts_res); 3105 foreach ($ts_res as $sub_value) { 3106 $prefix = substr($sub_value[0], 0, -12); 3107 if ((substr($stbl_res[0][0], 0, strlen($prefix)) === $prefix) && ($ts_prefix_len < strlen($prefix))) { 3108 $time_scale = $sub_value[1]['time_scale']; 3109 $ts_prefix_len = strlen($prefix); 3110 } 3111 } 3112 } 3113 } 3114 return $time_scale; 3115 } 3116 /* 3117 // END helper functions for m4b audiobook chapters 3118 */ 3119 3120 3121 }
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| Generated : Thu Apr 25 08:20:02 2024 | Cross-referenced by PHPXref |