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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, $matches)) { 147 @list($dummy, $lat_sign, $lat_deg, $lat_deg_dec, $lon_sign, $lon_deg, $lon_deg_dec, $dummy, $alt_sign, $alt_deg, $alt_deg_dec) = $matches; 148 149 if (strlen($lat_deg) == 2) { // [+-]DD.D 150 $ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim($lat_deg, '0').$lat_deg_dec); 151 } elseif (strlen($lat_deg) == 4) { // [+-]DDMM.M 152 $ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval(ltrim(substr($lat_deg, 2, 2), '0').$lat_deg_dec / 60); 153 } elseif (strlen($lat_deg) == 6) { // [+-]DDMMSS.S 154 $ISO6709parsed['latitude'] = (($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); 155 } 156 157 if (strlen($lon_deg) == 3) { // [+-]DDD.D 158 $ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim($lon_deg, '0').$lon_deg_dec); 159 } elseif (strlen($lon_deg) == 5) { // [+-]DDDMM.M 160 $ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval(ltrim(substr($lon_deg, 2, 2), '0').$lon_deg_dec / 60); 161 } elseif (strlen($lon_deg) == 7) { // [+-]DDDMMSS.S 162 $ISO6709parsed['longitude'] = (($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); 163 } 164 165 if (strlen($alt_deg) == 3) { // [+-]DDD.D 166 $ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim($alt_deg, '0').$alt_deg_dec); 167 } elseif (strlen($alt_deg) == 5) { // [+-]DDDMM.M 168 $ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval(ltrim(substr($alt_deg, 2, 2), '0').$alt_deg_dec / 60); 169 } elseif (strlen($alt_deg) == 7) { // [+-]DDDMMSS.S 170 $ISO6709parsed['altitude'] = (($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); 171 } 172 173 foreach (array('latitude', 'longitude', 'altitude') as $key) { 174 if ($ISO6709parsed[$key] !== false) { 175 $value = (($lat_sign == '-') ? -1 : 1) * floatval($ISO6709parsed[$key]); 176 if (!isset($info['quicktime']['comments']['gps_'.$key]) || !in_array($value, $info['quicktime']['comments']['gps_'.$key])) { 177 @$info['quicktime']['comments']['gps_'.$key][] = (($lat_sign == '-') ? -1 : 1) * floatval($ISO6709parsed[$key]); 178 } 179 } 180 } 181 } 182 if ($ISO6709parsed['latitude'] === false) { 183 $this->warning('location.ISO6709 string not parsed correctly: "'.$ISO6709string.'", please submit as a bug'); 184 } 185 break; 186 } 187 } 188 189 if (!isset($info['bitrate']) && !empty($info['playtime_seconds'])) { 190 $info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds']; 191 } 192 if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info['quicktime']['video'])) { 193 $info['audio']['bitrate'] = $info['bitrate']; 194 } 195 if (!empty($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'])) { 196 $info['video']['bitrate'] = $info['bitrate'] - $info['audio']['bitrate']; 197 } 198 if (!empty($info['playtime_seconds']) && !isset($info['video']['frame_rate']) && !empty($info['quicktime']['stts_framecount'])) { 199 foreach ($info['quicktime']['stts_framecount'] as $key => $samples_count) { 200 $samples_per_second = $samples_count / $info['playtime_seconds']; 201 if ($samples_per_second > 240) { 202 // has to be audio samples 203 } else { 204 $info['video']['frame_rate'] = $samples_per_second; 205 break; 206 } 207 } 208 } 209 if ($info['audio']['dataformat'] == 'mp4') { 210 $info['fileformat'] = 'mp4'; 211 if (empty($info['video']['resolution_x'])) { 212 $info['mime_type'] = 'audio/mp4'; 213 unset($info['video']['dataformat']); 214 } else { 215 $info['mime_type'] = 'video/mp4'; 216 } 217 } 218 219 if (!$this->ReturnAtomData) { 220 unset($info['quicktime']['moov']); 221 } 222 223 if (empty($info['audio']['dataformat']) && !empty($info['quicktime']['audio'])) { 224 $info['audio']['dataformat'] = 'quicktime'; 225 } 226 if (empty($info['video']['dataformat']) && !empty($info['quicktime']['video'])) { 227 $info['video']['dataformat'] = 'quicktime'; 228 } 229 if (isset($info['video']) && ($info['mime_type'] == 'audio/mp4') && empty($info['video']['resolution_x']) && empty($info['video']['resolution_y'])) { 230 unset($info['video']); 231 } 232 233 return true; 234 } 235 236 /** 237 * @param string $atomname 238 * @param int $atomsize 239 * @param string $atom_data 240 * @param int $baseoffset 241 * @param array $atomHierarchy 242 * @param bool $ParseAllPossibleAtoms 243 * 244 * @return array|false 245 */ 246 public function QuicktimeParseAtom($atomname, $atomsize, $atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { 247 // http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm 248 // https://code.google.com/p/mp4v2/wiki/iTunesMetadata 249 250 $info = &$this->getid3->info; 251 252 $atom_parent = end($atomHierarchy); // not array_pop($atomHierarchy); see https://www.getid3.org/phpBB3/viewtopic.php?t=1717 253 array_push($atomHierarchy, $atomname); 254 $atom_structure = array(); 255 $atom_structure['hierarchy'] = implode(' ', $atomHierarchy); 256 $atom_structure['name'] = $atomname; 257 $atom_structure['size'] = $atomsize; 258 $atom_structure['offset'] = $baseoffset; 259 if (substr($atomname, 0, 3) == "\x00\x00\x00") { 260 // https://github.com/JamesHeinrich/getID3/issues/139 261 $atomname = getid3_lib::BigEndian2Int($atomname); 262 $atom_structure['name'] = $atomname; 263 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 264 } else { 265 switch ($atomname) { 266 case 'moov': // MOVie container atom 267 case 'moof': // MOvie Fragment box 268 case 'trak': // TRAcK container atom 269 case 'traf': // TRAck Fragment box 270 case 'clip': // CLIPping container atom 271 case 'matt': // track MATTe container atom 272 case 'edts': // EDiTS container atom 273 case 'tref': // Track REFerence container atom 274 case 'mdia': // MeDIA container atom 275 case 'minf': // Media INFormation container atom 276 case 'dinf': // Data INFormation container atom 277 case 'nmhd': // Null Media HeaDer container atom 278 case 'udta': // User DaTA container atom 279 case 'cmov': // Compressed MOVie container atom 280 case 'rmra': // Reference Movie Record Atom 281 case 'rmda': // Reference Movie Descriptor Atom 282 case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR) 283 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 284 break; 285 286 case 'ilst': // Item LiST container atom 287 if ($atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms)) { 288 // some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted 289 $allnumericnames = true; 290 foreach ($atom_structure['subatoms'] as $subatomarray) { 291 if (!is_integer($subatomarray['name']) || (count($subatomarray['subatoms']) != 1)) { 292 $allnumericnames = false; 293 break; 294 } 295 } 296 if ($allnumericnames) { 297 $newData = array(); 298 foreach ($atom_structure['subatoms'] as $subatomarray) { 299 foreach ($subatomarray['subatoms'] as $newData_subatomarray) { 300 unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']); 301 $newData[$subatomarray['name']] = $newData_subatomarray; 302 break; 303 } 304 } 305 $atom_structure['data'] = $newData; 306 unset($atom_structure['subatoms']); 307 } 308 } 309 break; 310 311 case 'stbl': // Sample TaBLe container atom 312 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 313 $isVideo = false; 314 $framerate = 0; 315 $framecount = 0; 316 foreach ($atom_structure['subatoms'] as $key => $value_array) { 317 if (isset($value_array['sample_description_table'])) { 318 foreach ($value_array['sample_description_table'] as $key2 => $value_array2) { 319 if (isset($value_array2['data_format'])) { 320 switch ($value_array2['data_format']) { 321 case 'avc1': 322 case 'mp4v': 323 // video data 324 $isVideo = true; 325 break; 326 case 'mp4a': 327 // audio data 328 break; 329 } 330 } 331 } 332 } elseif (isset($value_array['time_to_sample_table'])) { 333 foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) { 334 if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && ($value_array2['sample_duration'] > 0) && !empty($info['quicktime']['time_scale'])) { 335 $framerate = round($info['quicktime']['time_scale'] / $value_array2['sample_duration'], 3); 336 $framecount = $value_array2['sample_count']; 337 } 338 } 339 } 340 } 341 if ($isVideo && $framerate) { 342 $info['quicktime']['video']['frame_rate'] = $framerate; 343 $info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate']; 344 } 345 if ($isVideo && $framecount) { 346 $info['quicktime']['video']['frame_count'] = $framecount; 347 } 348 break; 349 350 351 case "\xA9".'alb': // ALBum 352 case "\xA9".'ART': // 353 case "\xA9".'art': // ARTist 354 case "\xA9".'aut': // 355 case "\xA9".'cmt': // CoMmenT 356 case "\xA9".'com': // COMposer 357 case "\xA9".'cpy': // 358 case "\xA9".'day': // content created year 359 case "\xA9".'dir': // 360 case "\xA9".'ed1': // 361 case "\xA9".'ed2': // 362 case "\xA9".'ed3': // 363 case "\xA9".'ed4': // 364 case "\xA9".'ed5': // 365 case "\xA9".'ed6': // 366 case "\xA9".'ed7': // 367 case "\xA9".'ed8': // 368 case "\xA9".'ed9': // 369 case "\xA9".'enc': // 370 case "\xA9".'fmt': // 371 case "\xA9".'gen': // GENre 372 case "\xA9".'grp': // GRouPing 373 case "\xA9".'hst': // 374 case "\xA9".'inf': // 375 case "\xA9".'lyr': // LYRics 376 case "\xA9".'mak': // 377 case "\xA9".'mod': // 378 case "\xA9".'nam': // full NAMe 379 case "\xA9".'ope': // 380 case "\xA9".'PRD': // 381 case "\xA9".'prf': // 382 case "\xA9".'req': // 383 case "\xA9".'src': // 384 case "\xA9".'swr': // 385 case "\xA9".'too': // encoder 386 case "\xA9".'trk': // TRacK 387 case "\xA9".'url': // 388 case "\xA9".'wrn': // 389 case "\xA9".'wrt': // WRiTer 390 case '----': // itunes specific 391 case 'aART': // Album ARTist 392 case 'akID': // iTunes store account type 393 case 'apID': // Purchase Account 394 case 'atID': // 395 case 'catg': // CaTeGory 396 case 'cmID': // 397 case 'cnID': // 398 case 'covr': // COVeR artwork 399 case 'cpil': // ComPILation 400 case 'cprt': // CoPyRighT 401 case 'desc': // DESCription 402 case 'disk': // DISK number 403 case 'egid': // Episode Global ID 404 case 'geID': // 405 case 'gnre': // GeNRE 406 case 'hdvd': // HD ViDeo 407 case 'keyw': // KEYWord 408 case 'ldes': // Long DEScription 409 case 'pcst': // PodCaST 410 case 'pgap': // GAPless Playback 411 case 'plID': // 412 case 'purd': // PURchase Date 413 case 'purl': // Podcast URL 414 case 'rati': // 415 case 'rndu': // 416 case 'rpdu': // 417 case 'rtng': // RaTiNG 418 case 'sfID': // iTunes store country 419 case 'soaa': // SOrt Album Artist 420 case 'soal': // SOrt ALbum 421 case 'soar': // SOrt ARtist 422 case 'soco': // SOrt COmposer 423 case 'sonm': // SOrt NaMe 424 case 'sosn': // SOrt Show Name 425 case 'stik': // 426 case 'tmpo': // TeMPO (BPM) 427 case 'trkn': // TRacK Number 428 case 'tven': // tvEpisodeID 429 case 'tves': // TV EpiSode 430 case 'tvnn': // TV Network Name 431 case 'tvsh': // TV SHow Name 432 case 'tvsn': // TV SeasoN 433 if ($atom_parent == 'udta') { 434 // User data atom handler 435 $atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); 436 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); 437 $atom_structure['data'] = substr($atom_data, 4); 438 439 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); 440 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { 441 $info['comments']['language'][] = $atom_structure['language']; 442 } 443 } else { 444 // Apple item list box atom handler 445 $atomoffset = 0; 446 if (substr($atom_data, 2, 2) == "\x10\xB5") { 447 // not sure what it means, but observed on iPhone4 data. 448 // Each $atom_data has 2 bytes of datasize, plus 0x10B5, then data 449 while ($atomoffset < strlen($atom_data)) { 450 $boxsmallsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 2)); 451 $boxsmalltype = substr($atom_data, $atomoffset + 2, 2); 452 $boxsmalldata = substr($atom_data, $atomoffset + 4, $boxsmallsize); 453 if ($boxsmallsize <= 1) { 454 $this->warning('Invalid QuickTime atom smallbox size "'.$boxsmallsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset)); 455 $atom_structure['data'] = null; 456 $atomoffset = strlen($atom_data); 457 break; 458 } 459 switch ($boxsmalltype) { 460 case "\x10\xB5": 461 $atom_structure['data'] = $boxsmalldata; 462 break; 463 default: 464 $this->warning('Unknown QuickTime smallbox type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxsmalltype).'" ('.trim(getid3_lib::PrintHexBytes($boxsmalltype)).') at offset '.$baseoffset); 465 $atom_structure['data'] = $atom_data; 466 break; 467 } 468 $atomoffset += (4 + $boxsmallsize); 469 } 470 } else { 471 while ($atomoffset < strlen($atom_data)) { 472 $boxsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 4)); 473 $boxtype = substr($atom_data, $atomoffset + 4, 4); 474 $boxdata = substr($atom_data, $atomoffset + 8, $boxsize - 8); 475 if ($boxsize <= 1) { 476 $this->warning('Invalid QuickTime atom box size "'.$boxsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset)); 477 $atom_structure['data'] = null; 478 $atomoffset = strlen($atom_data); 479 break; 480 } 481 $atomoffset += $boxsize; 482 483 switch ($boxtype) { 484 case 'mean': 485 case 'name': 486 $atom_structure[$boxtype] = substr($boxdata, 4); 487 break; 488 489 case 'data': 490 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($boxdata, 0, 1)); 491 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($boxdata, 1, 3)); 492 switch ($atom_structure['flags_raw']) { 493 case 0: // data flag 494 case 21: // tmpo/cpil flag 495 switch ($atomname) { 496 case 'cpil': 497 case 'hdvd': 498 case 'pcst': 499 case 'pgap': 500 // 8-bit integer (boolean) 501 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); 502 break; 503 504 case 'tmpo': 505 // 16-bit integer 506 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2)); 507 break; 508 509 case 'disk': 510 case 'trkn': 511 // binary 512 $num = getid3_lib::BigEndian2Int(substr($boxdata, 10, 2)); 513 $num_total = getid3_lib::BigEndian2Int(substr($boxdata, 12, 2)); 514 $atom_structure['data'] = empty($num) ? '' : $num; 515 $atom_structure['data'] .= empty($num_total) ? '' : '/'.$num_total; 516 break; 517 518 case 'gnre': 519 // enum 520 $GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); 521 $atom_structure['data'] = getid3_id3v1::LookupGenreName($GenreID - 1); 522 break; 523 524 case 'rtng': 525 // 8-bit integer 526 $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); 527 $atom_structure['data'] = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]); 528 break; 529 530 case 'stik': 531 // 8-bit integer (enum) 532 $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); 533 $atom_structure['data'] = $this->QuicktimeSTIKLookup($atom_structure[$atomname]); 534 break; 535 536 case 'sfID': 537 // 32-bit integer 538 $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); 539 $atom_structure['data'] = $this->QuicktimeStoreFrontCodeLookup($atom_structure[$atomname]); 540 break; 541 542 case 'egid': 543 case 'purl': 544 $atom_structure['data'] = substr($boxdata, 8); 545 break; 546 547 case 'plID': 548 // 64-bit integer 549 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 8)); 550 break; 551 552 case 'covr': 553 $atom_structure['data'] = substr($boxdata, 8); 554 // not a foolproof check, but better than nothing 555 if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) { 556 $atom_structure['image_mime'] = 'image/jpeg'; 557 } elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) { 558 $atom_structure['image_mime'] = 'image/png'; 559 } elseif (preg_match('#^GIF#', $atom_structure['data'])) { 560 $atom_structure['image_mime'] = 'image/gif'; 561 } 562 $info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_structure['data'], 'description'=>'cover'); 563 break; 564 565 case 'atID': 566 case 'cnID': 567 case 'geID': 568 case 'tves': 569 case 'tvsn': 570 default: 571 // 32-bit integer 572 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); 573 } 574 break; 575 576 case 1: // text flag 577 case 13: // image flag 578 default: 579 $atom_structure['data'] = substr($boxdata, 8); 580 if ($atomname == 'covr') { 581 if (!empty($atom_structure['data'])) { 582 $atom_structure['image_mime'] = 'image/unknown'; // provide default MIME type to ensure array keys exist 583 if (function_exists('getimagesizefromstring') && ($getimagesize = getimagesizefromstring($atom_structure['data'])) && !empty($getimagesize['mime'])) { 584 $atom_structure['image_mime'] = $getimagesize['mime']; 585 } else { 586 // if getimagesizefromstring is not available, or fails for some reason, fall back to simple detection of common image formats 587 $ImageFormatSignatures = array( 588 'image/jpeg' => "\xFF\xD8\xFF", 589 'image/png' => "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A", 590 'image/gif' => 'GIF', 591 ); 592 foreach ($ImageFormatSignatures as $mime => $image_format_signature) { 593 if (substr($atom_structure['data'], 0, strlen($image_format_signature)) == $image_format_signature) { 594 $atom_structure['image_mime'] = $mime; 595 break; 596 } 597 } 598 } 599 $info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_structure['data'], 'description'=>'cover'); 600 } else { 601 $this->warning('Unknown empty "covr" image at offset '.$baseoffset); 602 } 603 } 604 break; 605 606 } 607 break; 608 609 default: 610 $this->warning('Unknown QuickTime box type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxtype).'" ('.trim(getid3_lib::PrintHexBytes($boxtype)).') at offset '.$baseoffset); 611 $atom_structure['data'] = $atom_data; 612 613 } 614 } 615 } 616 } 617 $this->CopyToAppropriateCommentsSection($atomname, $atom_structure['data'], $atom_structure['name']); 618 break; 619 620 621 case 'play': // auto-PLAY atom 622 $atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 623 624 $info['quicktime']['autoplay'] = $atom_structure['autoplay']; 625 break; 626 627 628 case 'WLOC': // Window LOCation atom 629 $atom_structure['location_x'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); 630 $atom_structure['location_y'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); 631 break; 632 633 634 case 'LOOP': // LOOPing atom 635 case 'SelO': // play SELection Only atom 636 case 'AllF': // play ALL Frames atom 637 $atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data); 638 break; 639 640 641 case 'name': // 642 case 'MCPS': // Media Cleaner PRo 643 case '@PRM': // adobe PReMiere version 644 case '@PRQ': // adobe PRemiere Quicktime version 645 $atom_structure['data'] = $atom_data; 646 break; 647 648 649 case 'cmvd': // Compressed MooV Data atom 650 // Code by ubergeekØubergeek*tv based on information from 651 // http://developer.apple.com/quicktime/icefloe/dispatch012.html 652 $atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 653 654 $CompressedFileData = substr($atom_data, 4); 655 if ($UncompressedHeader = @gzuncompress($CompressedFileData)) { 656 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, 0, $atomHierarchy, $ParseAllPossibleAtoms); 657 } else { 658 $this->warning('Error decompressing compressed MOV atom at offset '.$atom_structure['offset']); 659 } 660 break; 661 662 663 case 'dcom': // Data COMpression atom 664 $atom_structure['compression_id'] = $atom_data; 665 $atom_structure['compression_text'] = $this->QuicktimeDCOMLookup($atom_data); 666 break; 667 668 669 case 'rdrf': // Reference movie Data ReFerence atom 670 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 671 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 672 $atom_structure['flags']['internal_data'] = (bool) ($atom_structure['flags_raw'] & 0x000001); 673 674 $atom_structure['reference_type_name'] = substr($atom_data, 4, 4); 675 $atom_structure['reference_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 676 switch ($atom_structure['reference_type_name']) { 677 case 'url ': 678 $atom_structure['url'] = $this->NoNullString(substr($atom_data, 12)); 679 break; 680 681 case 'alis': 682 $atom_structure['file_alias'] = substr($atom_data, 12); 683 break; 684 685 case 'rsrc': 686 $atom_structure['resource_alias'] = substr($atom_data, 12); 687 break; 688 689 default: 690 $atom_structure['data'] = substr($atom_data, 12); 691 break; 692 } 693 break; 694 695 696 case 'rmqu': // Reference Movie QUality atom 697 $atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data); 698 break; 699 700 701 case 'rmcs': // Reference Movie Cpu Speed atom 702 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 703 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 704 $atom_structure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 705 break; 706 707 708 case 'rmvc': // Reference Movie Version Check atom 709 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 710 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 711 $atom_structure['gestalt_selector'] = substr($atom_data, 4, 4); 712 $atom_structure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 713 $atom_structure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 714 $atom_structure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); 715 break; 716 717 718 case 'rmcd': // Reference Movie Component check atom 719 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 720 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 721 $atom_structure['component_type'] = substr($atom_data, 4, 4); 722 $atom_structure['component_subtype'] = substr($atom_data, 8, 4); 723 $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); 724 $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 725 $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); 726 $atom_structure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 4)); 727 break; 728 729 730 case 'rmdr': // Reference Movie Data Rate atom 731 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 732 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 733 $atom_structure['data_rate'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 734 735 $atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10; 736 break; 737 738 739 case 'rmla': // Reference Movie Language Atom 740 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 741 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 742 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 743 744 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); 745 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { 746 $info['comments']['language'][] = $atom_structure['language']; 747 } 748 break; 749 750 751 case 'ptv ': // Print To Video - defines a movie's full screen mode 752 // http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm 753 $atom_structure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); 754 $atom_structure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); // hardcoded: 0x0000 755 $atom_structure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x0000 756 $atom_structure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 1)); 757 $atom_structure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 7, 1)); 758 759 $atom_structure['flags']['play_on_open'] = (bool) $atom_structure['play_on_open_flag']; 760 $atom_structure['flags']['slide_show'] = (bool) $atom_structure['slide_show_flag']; 761 762 $ptv_lookup = array( 763 0 => 'normal', 764 1 => 'double', 765 2 => 'half', 766 3 => 'full', 767 4 => 'current' 768 ); 769 if (isset($ptv_lookup[$atom_structure['display_size_raw']])) { 770 $atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']]; 771 } else { 772 $this->warning('unknown "ptv " display constant ('.$atom_structure['display_size_raw'].')'); 773 } 774 break; 775 776 777 case 'stsd': // Sample Table Sample Description atom 778 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); // hardcoded: 0x00 779 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x000000 780 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 781 782 // see: https://github.com/JamesHeinrich/getID3/issues/111 783 // Some corrupt files have been known to have high bits set in the number_entries field 784 // This field shouldn't really need to be 32-bits, values stores are likely in the range 1-100000 785 // Workaround: mask off the upper byte and throw a warning if it's nonzero 786 if ($atom_structure['number_entries'] > 0x000FFFFF) { 787 if ($atom_structure['number_entries'] > 0x00FFFFFF) { 788 $this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($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)); 789 $atom_structure['number_entries'] = ($atom_structure['number_entries'] & 0x00FFFFFF); 790 } else { 791 $this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($atom_data, 4, 4), true, false).' = '.$atom_structure['number_entries'].'), probably in error. Please report this to info@getid3.org referencing bug report #111'); 792 } 793 } 794 795 $stsdEntriesDataOffset = 8; 796 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 797 $atom_structure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 4)); 798 $stsdEntriesDataOffset += 4; 799 $atom_structure['sample_description_table'][$i]['data_format'] = substr($atom_data, $stsdEntriesDataOffset, 4); 800 $stsdEntriesDataOffset += 4; 801 $atom_structure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 6)); 802 $stsdEntriesDataOffset += 6; 803 $atom_structure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 2)); 804 $stsdEntriesDataOffset += 2; 805 $atom_structure['sample_description_table'][$i]['data'] = substr($atom_data, $stsdEntriesDataOffset, ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2)); 806 $stsdEntriesDataOffset += ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2); 807 if (substr($atom_structure['sample_description_table'][$i]['data'], 1, 54) == 'application/octet-stream;type=com.parrot.videometadata') { 808 // special handling for apparently-malformed (TextMetaDataSampleEntry?) data for some version of Parrot drones 809 $atom_structure['sample_description_table'][$i]['parrot_frame_metadata']['mime_type'] = substr($atom_structure['sample_description_table'][$i]['data'], 1, 55); 810 $atom_structure['sample_description_table'][$i]['parrot_frame_metadata']['metadata_version'] = (int) substr($atom_structure['sample_description_table'][$i]['data'], 55, 1); 811 unset($atom_structure['sample_description_table'][$i]['data']); 812 $this->warning('incomplete/incorrect handling of "stsd" with Parrot metadata in this version of getID3() ['.$this->getid3->version().']'); 813 continue; 814 } 815 816 $atom_structure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 0, 2)); 817 $atom_structure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 2, 2)); 818 $atom_structure['sample_description_table'][$i]['encoder_vendor'] = substr($atom_structure['sample_description_table'][$i]['data'], 4, 4); 819 820 switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) { 821 822 case "\x00\x00\x00\x00": 823 // audio tracks 824 $atom_structure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 2)); 825 $atom_structure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 10, 2)); 826 $atom_structure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 2)); 827 $atom_structure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 14, 2)); 828 $atom_structure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16, 4)); 829 830 // video tracks 831 // http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap3/qtff3.html 832 $atom_structure['sample_description_table'][$i]['temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); 833 $atom_structure['sample_description_table'][$i]['spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); 834 $atom_structure['sample_description_table'][$i]['width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); 835 $atom_structure['sample_description_table'][$i]['height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); 836 $atom_structure['sample_description_table'][$i]['resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); 837 $atom_structure['sample_description_table'][$i]['resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); 838 $atom_structure['sample_description_table'][$i]['data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 4)); 839 $atom_structure['sample_description_table'][$i]['frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 36, 2)); 840 $atom_structure['sample_description_table'][$i]['compressor_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 38, 4); 841 $atom_structure['sample_description_table'][$i]['pixel_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 42, 2)); 842 $atom_structure['sample_description_table'][$i]['color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 44, 2)); 843 844 switch ($atom_structure['sample_description_table'][$i]['data_format']) { 845 case '2vuY': 846 case 'avc1': 847 case 'cvid': 848 case 'dvc ': 849 case 'dvcp': 850 case 'gif ': 851 case 'h263': 852 case 'hvc1': 853 case 'jpeg': 854 case 'kpcd': 855 case 'mjpa': 856 case 'mjpb': 857 case 'mp4v': 858 case 'png ': 859 case 'raw ': 860 case 'rle ': 861 case 'rpza': 862 case 'smc ': 863 case 'SVQ1': 864 case 'SVQ3': 865 case 'tiff': 866 case 'v210': 867 case 'v216': 868 case 'v308': 869 case 'v408': 870 case 'v410': 871 case 'yuv2': 872 $info['fileformat'] = 'mp4'; 873 $info['video']['fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; 874 if ($this->QuicktimeVideoCodecLookup($info['video']['fourcc'])) { 875 $info['video']['fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($info['video']['fourcc']); 876 } 877 878 // https://www.getid3.org/phpBB3/viewtopic.php?t=1550 879 //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 880 if (!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['height'])) { 881 // assume that values stored here are more important than values stored in [tkhd] atom 882 $info['video']['resolution_x'] = $atom_structure['sample_description_table'][$i]['width']; 883 $info['video']['resolution_y'] = $atom_structure['sample_description_table'][$i]['height']; 884 $info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x']; 885 $info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y']; 886 } 887 break; 888 889 case 'qtvr': 890 $info['video']['dataformat'] = 'quicktimevr'; 891 break; 892 893 case 'mp4a': 894 $atom_structure['sample_description_table'][$i]['subatoms'] = $this->QuicktimeParseContainerAtom(substr($atom_structure['sample_description_table'][$i]['data'], 20), $baseoffset + $stsdEntriesDataOffset - 20 - 16, $atomHierarchy, $ParseAllPossibleAtoms); 895 896 $info['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); 897 $info['quicktime']['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate']; 898 $info['quicktime']['audio']['channels'] = $atom_structure['sample_description_table'][$i]['audio_channels']; 899 $info['quicktime']['audio']['bit_depth'] = $atom_structure['sample_description_table'][$i]['audio_bit_depth']; 900 $info['audio']['codec'] = $info['quicktime']['audio']['codec']; 901 $info['audio']['sample_rate'] = $info['quicktime']['audio']['sample_rate']; 902 $info['audio']['channels'] = $info['quicktime']['audio']['channels']; 903 $info['audio']['bits_per_sample'] = $info['quicktime']['audio']['bit_depth']; 904 switch ($atom_structure['sample_description_table'][$i]['data_format']) { 905 case 'raw ': // PCM 906 case 'alac': // Apple Lossless Audio Codec 907 case 'sowt': // signed/two's complement (Little Endian) 908 case 'twos': // signed/two's complement (Big Endian) 909 case 'in24': // 24-bit Integer 910 case 'in32': // 32-bit Integer 911 case 'fl32': // 32-bit Floating Point 912 case 'fl64': // 64-bit Floating Point 913 $info['audio']['lossless'] = $info['quicktime']['audio']['lossless'] = true; 914 $info['audio']['bitrate'] = $info['quicktime']['audio']['bitrate'] = $info['audio']['channels'] * $info['audio']['bits_per_sample'] * $info['audio']['sample_rate']; 915 break; 916 default: 917 $info['audio']['lossless'] = false; 918 break; 919 } 920 break; 921 922 default: 923 break; 924 } 925 break; 926 927 default: 928 switch ($atom_structure['sample_description_table'][$i]['data_format']) { 929 case 'mp4s': 930 $info['fileformat'] = 'mp4'; 931 break; 932 933 default: 934 // video atom 935 $atom_structure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); 936 $atom_structure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); 937 $atom_structure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); 938 $atom_structure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); 939 $atom_structure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20, 4)); 940 $atom_structure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); 941 $atom_structure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); 942 $atom_structure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 2)); 943 $atom_structure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 34, 1)); 944 $atom_structure['sample_description_table'][$i]['video_encoder_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']); 945 $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66, 2)); 946 $atom_structure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68, 2)); 947 948 $atom_structure['sample_description_table'][$i]['video_pixel_color_type'] = (((int) $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color'); 949 $atom_structure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']); 950 951 if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') { 952 $info['quicktime']['video']['codec_fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; 953 $info['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); 954 $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']); 955 $info['quicktime']['video']['color_depth'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth']; 956 $info['quicktime']['video']['color_depth_name'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_name']; 957 958 $info['video']['codec'] = $info['quicktime']['video']['codec']; 959 $info['video']['bits_per_sample'] = $info['quicktime']['video']['color_depth']; 960 } 961 $info['video']['lossless'] = false; 962 $info['video']['pixel_aspect_ratio'] = (float) 1; 963 break; 964 } 965 break; 966 } 967 switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) { 968 case 'mp4a': 969 $info['audio']['dataformat'] = 'mp4'; 970 $info['quicktime']['audio']['codec'] = 'mp4'; 971 break; 972 973 case '3ivx': 974 case '3iv1': 975 case '3iv2': 976 $info['video']['dataformat'] = '3ivx'; 977 break; 978 979 case 'xvid': 980 $info['video']['dataformat'] = 'xvid'; 981 break; 982 983 case 'mp4v': 984 $info['video']['dataformat'] = 'mpeg4'; 985 break; 986 987 case 'divx': 988 case 'div1': 989 case 'div2': 990 case 'div3': 991 case 'div4': 992 case 'div5': 993 case 'div6': 994 $info['video']['dataformat'] = 'divx'; 995 break; 996 997 default: 998 // do nothing 999 break; 1000 } 1001 unset($atom_structure['sample_description_table'][$i]['data']); 1002 } 1003 break; 1004 1005 1006 case 'stts': // Sample Table Time-to-Sample atom 1007 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1008 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1009 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1010 $sttsEntriesDataOffset = 8; 1011 //$FrameRateCalculatorArray = array(); 1012 $frames_count = 0; 1013 1014 $max_stts_entries_to_scan = ($info['php_memory_limit'] ? min(floor($this->getid3->memory_limit / 10000), $atom_structure['number_entries']) : $atom_structure['number_entries']); 1015 if ($max_stts_entries_to_scan < $atom_structure['number_entries']) { 1016 $this->warning('QuickTime atom "stts" has '.$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).'); 1017 } 1018 for ($i = 0; $i < $max_stts_entries_to_scan; $i++) { 1019 $atom_structure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); 1020 $sttsEntriesDataOffset += 4; 1021 $atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); 1022 $sttsEntriesDataOffset += 4; 1023 1024 $frames_count += $atom_structure['time_to_sample_table'][$i]['sample_count']; 1025 1026 // THIS SECTION REPLACED WITH CODE IN "stbl" ATOM 1027 //if (!empty($info['quicktime']['time_scale']) && ($atom_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) { 1028 // $stts_new_framerate = $info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration']; 1029 // if ($stts_new_framerate <= 60) { 1030 // // some atoms have durations of "1" giving a very large framerate, which probably is not right 1031 // $info['video']['frame_rate'] = max($info['video']['frame_rate'], $stts_new_framerate); 1032 // } 1033 //} 1034 // 1035 //$FrameRateCalculatorArray[($info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count']; 1036 } 1037 $info['quicktime']['stts_framecount'][] = $frames_count; 1038 //$sttsFramesTotal = 0; 1039 //$sttsSecondsTotal = 0; 1040 //foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) { 1041 // if (($frames_per_second > 60) || ($frames_per_second < 1)) { 1042 // // not video FPS information, probably audio information 1043 // $sttsFramesTotal = 0; 1044 // $sttsSecondsTotal = 0; 1045 // break; 1046 // } 1047 // $sttsFramesTotal += $frame_count; 1048 // $sttsSecondsTotal += $frame_count / $frames_per_second; 1049 //} 1050 //if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) { 1051 // if (($sttsFramesTotal / $sttsSecondsTotal) > $info['video']['frame_rate']) { 1052 // $info['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal; 1053 // } 1054 //} 1055 break; 1056 1057 1058 case 'stss': // Sample Table Sync Sample (key frames) atom 1059 if ($ParseAllPossibleAtoms) { 1060 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1061 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1062 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1063 $stssEntriesDataOffset = 8; 1064 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1065 $atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stssEntriesDataOffset, 4)); 1066 $stssEntriesDataOffset += 4; 1067 } 1068 } 1069 break; 1070 1071 1072 case 'stsc': // Sample Table Sample-to-Chunk atom 1073 if ($ParseAllPossibleAtoms) { 1074 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1075 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1076 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1077 $stscEntriesDataOffset = 8; 1078 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1079 $atom_structure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); 1080 $stscEntriesDataOffset += 4; 1081 $atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); 1082 $stscEntriesDataOffset += 4; 1083 $atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); 1084 $stscEntriesDataOffset += 4; 1085 } 1086 } 1087 break; 1088 1089 1090 case 'stsz': // Sample Table SiZe atom 1091 if ($ParseAllPossibleAtoms) { 1092 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1093 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1094 $atom_structure['sample_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1095 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1096 $stszEntriesDataOffset = 12; 1097 if ($atom_structure['sample_size'] == 0) { 1098 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1099 $atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4)); 1100 $stszEntriesDataOffset += 4; 1101 } 1102 } 1103 } 1104 break; 1105 1106 1107 case 'stco': // Sample Table Chunk Offset atom 1108 // if (true) { 1109 if ($ParseAllPossibleAtoms) { 1110 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1111 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1112 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1113 $stcoEntriesDataOffset = 8; 1114 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1115 $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4)); 1116 $stcoEntriesDataOffset += 4; 1117 } 1118 } 1119 break; 1120 1121 1122 case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files) 1123 if ($ParseAllPossibleAtoms) { 1124 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1125 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1126 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1127 $stcoEntriesDataOffset = 8; 1128 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1129 $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8)); 1130 $stcoEntriesDataOffset += 8; 1131 } 1132 } 1133 break; 1134 1135 1136 case 'dref': // Data REFerence atom 1137 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1138 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1139 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1140 $drefDataOffset = 8; 1141 for ($i = 0; $i < $atom_structure['number_entries']; $i++) { 1142 $atom_structure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 4)); 1143 $drefDataOffset += 4; 1144 $atom_structure['data_references'][$i]['type'] = substr($atom_data, $drefDataOffset, 4); 1145 $drefDataOffset += 4; 1146 $atom_structure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 1)); 1147 $drefDataOffset += 1; 1148 $atom_structure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 3)); // hardcoded: 0x0000 1149 $drefDataOffset += 3; 1150 $atom_structure['data_references'][$i]['data'] = substr($atom_data, $drefDataOffset, ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3)); 1151 $drefDataOffset += ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3); 1152 1153 $atom_structure['data_references'][$i]['flags']['self_reference'] = (bool) ($atom_structure['data_references'][$i]['flags_raw'] & 0x001); 1154 } 1155 break; 1156 1157 1158 case 'gmin': // base Media INformation atom 1159 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1160 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1161 $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 1162 $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); 1163 $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); 1164 $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); 1165 $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 2)); 1166 $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); 1167 break; 1168 1169 1170 case 'smhd': // Sound Media information HeaDer atom 1171 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1172 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1173 $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 1174 $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); 1175 break; 1176 1177 1178 case 'vmhd': // Video Media information HeaDer atom 1179 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1180 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1181 $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); 1182 $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); 1183 $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); 1184 $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); 1185 1186 $atom_structure['flags']['no_lean_ahead'] = (bool) ($atom_structure['flags_raw'] & 0x001); 1187 break; 1188 1189 1190 case 'hdlr': // HanDLeR reference atom 1191 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1192 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1193 $atom_structure['component_type'] = substr($atom_data, 4, 4); 1194 $atom_structure['component_subtype'] = substr($atom_data, 8, 4); 1195 $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); 1196 $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1197 $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); 1198 $atom_structure['component_name'] = $this->MaybePascal2String(substr($atom_data, 24)); 1199 1200 if (($atom_structure['component_subtype'] == 'STpn') && ($atom_structure['component_manufacturer'] == 'zzzz')) { 1201 $info['video']['dataformat'] = 'quicktimevr'; 1202 } 1203 break; 1204 1205 1206 case 'mdhd': // MeDia HeaDer atom 1207 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1208 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1209 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1210 $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1211 $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1212 $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1213 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 2)); 1214 $atom_structure['quality'] = getid3_lib::BigEndian2Int(substr($atom_data, 22, 2)); 1215 1216 if ($atom_structure['time_scale'] == 0) { 1217 $this->error('Corrupt Quicktime file: mdhd.time_scale == zero'); 1218 return false; 1219 } 1220 $info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']); 1221 1222 $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); 1223 $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); 1224 $atom_structure['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; 1225 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); 1226 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { 1227 $info['comments']['language'][] = $atom_structure['language']; 1228 } 1229 $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; 1230 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; 1231 break; 1232 1233 1234 case 'pnot': // Preview atom 1235 $atom_structure['modification_date'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // "standard Macintosh format" 1236 $atom_structure['version_number'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x00 1237 $atom_structure['atom_type'] = substr($atom_data, 6, 4); // usually: 'PICT' 1238 $atom_structure['atom_index'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); // usually: 0x01 1239 1240 $atom_structure['modification_date_unix'] = getid3_lib::DateMac2Unix($atom_structure['modification_date']); 1241 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modification_date_unix']; 1242 break; 1243 1244 1245 case 'crgn': // Clipping ReGioN atom 1246 $atom_structure['region_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); // The Region size, Region boundary box, 1247 $atom_structure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 8)); // and Clipping region data fields 1248 $atom_structure['clipping_data'] = substr($atom_data, 10); // constitute a QuickDraw region. 1249 break; 1250 1251 1252 case 'load': // track LOAD settings atom 1253 $atom_structure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 1254 $atom_structure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1255 $atom_structure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1256 $atom_structure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1257 1258 $atom_structure['default_hints']['double_buffer'] = (bool) ($atom_structure['default_hints_raw'] & 0x0020); 1259 $atom_structure['default_hints']['high_quality'] = (bool) ($atom_structure['default_hints_raw'] & 0x0100); 1260 break; 1261 1262 1263 case 'tmcd': // TiMe CoDe atom 1264 case 'chap': // CHAPter list atom 1265 case 'sync': // SYNChronization atom 1266 case 'scpt': // tranSCriPT atom 1267 case 'ssrc': // non-primary SouRCe atom 1268 for ($i = 0; $i < strlen($atom_data); $i += 4) { 1269 @$atom_structure['track_id'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); 1270 } 1271 break; 1272 1273 1274 case 'elst': // Edit LiST atom 1275 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1276 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1277 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1278 for ($i = 0; $i < $atom_structure['number_entries']; $i++ ) { 1279 $atom_structure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 0, 4)); 1280 $atom_structure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 4, 4)); 1281 $atom_structure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 8 + ($i * 12) + 8, 4)); 1282 } 1283 break; 1284 1285 1286 case 'kmat': // compressed MATte atom 1287 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1288 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 1289 $atom_structure['matte_data_raw'] = substr($atom_data, 4); 1290 break; 1291 1292 1293 case 'ctab': // Color TABle atom 1294 $atom_structure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // hardcoded: 0x00000000 1295 $atom_structure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x8000 1296 $atom_structure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)) + 1; 1297 for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) { 1298 $atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 0, 2)); 1299 $atom_structure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 2, 2)); 1300 $atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 4, 2)); 1301 $atom_structure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 6, 2)); 1302 } 1303 break; 1304 1305 1306 case 'mvhd': // MoVie HeaDer atom 1307 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1308 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1309 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1310 $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1311 $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1312 $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1313 $atom_structure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 20, 4)); 1314 $atom_structure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 24, 2)); 1315 $atom_structure['reserved'] = substr($atom_data, 26, 10); 1316 $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 36, 4)); 1317 $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); 1318 $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 44, 4)); 1319 $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4)); 1320 $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); 1321 $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 56, 4)); 1322 $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4)); 1323 $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); 1324 $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4)); 1325 $atom_structure['preview_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 72, 4)); 1326 $atom_structure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 76, 4)); 1327 $atom_structure['poster_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 80, 4)); 1328 $atom_structure['selection_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 84, 4)); 1329 $atom_structure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 88, 4)); 1330 $atom_structure['current_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 92, 4)); 1331 $atom_structure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 96, 4)); 1332 1333 if ($atom_structure['time_scale'] == 0) { 1334 $this->error('Corrupt Quicktime file: mvhd.time_scale == zero'); 1335 return false; 1336 } 1337 $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); 1338 $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); 1339 $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; 1340 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; 1341 $info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']); 1342 $info['quicktime']['display_scale'] = $atom_structure['matrix_a']; 1343 $info['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; 1344 break; 1345 1346 1347 case 'tkhd': // TracK HeaDer atom 1348 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1349 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1350 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1351 $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); 1352 $atom_structure['trackid'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); 1353 $atom_structure['reserved1'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); 1354 $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); 1355 $atom_structure['reserved2'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 8)); 1356 $atom_structure['layer'] = getid3_lib::BigEndian2Int(substr($atom_data, 32, 2)); 1357 $atom_structure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atom_data, 34, 2)); 1358 $atom_structure['volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 36, 2)); 1359 $atom_structure['reserved3'] = getid3_lib::BigEndian2Int(substr($atom_data, 38, 2)); 1360 // http://developer.apple.com/library/mac/#documentation/QuickTime/RM/MovieBasics/MTEditing/K-Chapter/11MatrixFunctions.html 1361 // http://developer.apple.com/library/mac/#documentation/QuickTime/qtff/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-18737 1362 $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); 1363 $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 44, 4)); 1364 $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 48, 4)); 1365 $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); 1366 $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 56, 4)); 1367 $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 60, 4)); 1368 $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); 1369 $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 68, 4)); 1370 $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 72, 4)); 1371 $atom_structure['width'] = getid3_lib::FixedPoint16_16(substr($atom_data, 76, 4)); 1372 $atom_structure['height'] = getid3_lib::FixedPoint16_16(substr($atom_data, 80, 4)); 1373 $atom_structure['flags']['enabled'] = (bool) ($atom_structure['flags_raw'] & 0x0001); 1374 $atom_structure['flags']['in_movie'] = (bool) ($atom_structure['flags_raw'] & 0x0002); 1375 $atom_structure['flags']['in_preview'] = (bool) ($atom_structure['flags_raw'] & 0x0004); 1376 $atom_structure['flags']['in_poster'] = (bool) ($atom_structure['flags_raw'] & 0x0008); 1377 $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); 1378 $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); 1379 $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; 1380 $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; 1381 1382 // https://www.getid3.org/phpBB3/viewtopic.php?t=1908 1383 // attempt to compute rotation from matrix values 1384 // 2017-Dec-28: uncertain if 90/270 are correctly oriented; values returned by FixedPoint16_16 should perhaps be -1 instead of 65535(?) 1385 $matrixRotation = 0; 1386 switch ($atom_structure['matrix_a'].':'.$atom_structure['matrix_b'].':'.$atom_structure['matrix_c'].':'.$atom_structure['matrix_d']) { 1387 case '1:0:0:1': $matrixRotation = 0; break; 1388 case '0:1:65535:0': $matrixRotation = 90; break; 1389 case '65535:0:0:65535': $matrixRotation = 180; break; 1390 case '0:65535:1:0': $matrixRotation = 270; break; 1391 default: break; 1392 } 1393 1394 // https://www.getid3.org/phpBB3/viewtopic.php?t=2468 1395 // The rotation matrix can appear in the Quicktime file multiple times, at least once for each track, 1396 // and it's possible that only the video track (or, in theory, one of the video tracks) is flagged as 1397 // rotated while the other tracks (e.g. audio) is tagged as rotation=0 (behavior noted on iPhone 8 Plus) 1398 // The correct solution would be to check if the TrackID associated with the rotation matrix is indeed 1399 // a video track (or the main video track) and only set the rotation then, but since information about 1400 // what track is what is not trivially there to be examined, the lazy solution is to set the rotation 1401 // if it is found to be nonzero, on the assumption that tracks that don't need it will have rotation set 1402 // to zero (and be effectively ignored) and the video track will have rotation set correctly, which will 1403 // either be zero and automatically correct, or nonzero and be set correctly. 1404 if (!isset($info['video']['rotate']) || (($info['video']['rotate'] == 0) && ($matrixRotation > 0))) { 1405 $info['quicktime']['video']['rotate'] = $info['video']['rotate'] = $matrixRotation; 1406 } 1407 1408 if ($atom_structure['flags']['enabled'] == 1) { 1409 if (!isset($info['video']['resolution_x']) || !isset($info['video']['resolution_y'])) { 1410 $info['video']['resolution_x'] = $atom_structure['width']; 1411 $info['video']['resolution_y'] = $atom_structure['height']; 1412 } 1413 $info['video']['resolution_x'] = max($info['video']['resolution_x'], $atom_structure['width']); 1414 $info['video']['resolution_y'] = max($info['video']['resolution_y'], $atom_structure['height']); 1415 $info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x']; 1416 $info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y']; 1417 } else { 1418 // see: https://www.getid3.org/phpBB3/viewtopic.php?t=1295 1419 //if (isset($info['video']['resolution_x'])) { unset($info['video']['resolution_x']); } 1420 //if (isset($info['video']['resolution_y'])) { unset($info['video']['resolution_y']); } 1421 //if (isset($info['quicktime']['video'])) { unset($info['quicktime']['video']); } 1422 } 1423 break; 1424 1425 1426 case 'iods': // Initial Object DeScriptor atom 1427 // http://www.koders.com/c/fid1FAB3E762903DC482D8A246D4A4BF9F28E049594.aspx?s=windows.h 1428 // http://libquicktime.sourcearchive.com/documentation/1.0.2plus-pdebian/iods_8c-source.html 1429 $offset = 0; 1430 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1431 $offset += 1; 1432 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 3)); 1433 $offset += 3; 1434 $atom_structure['mp4_iod_tag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1435 $offset += 1; 1436 $atom_structure['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); 1437 //$offset already adjusted by quicktime_read_mp4_descr_length() 1438 $atom_structure['object_descriptor_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); 1439 $offset += 2; 1440 $atom_structure['od_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1441 $offset += 1; 1442 $atom_structure['scene_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1443 $offset += 1; 1444 $atom_structure['audio_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1445 $offset += 1; 1446 $atom_structure['video_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1447 $offset += 1; 1448 $atom_structure['graphics_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1449 $offset += 1; 1450 1451 $atom_structure['num_iods_tracks'] = ($atom_structure['length'] - 7) / 6; // 6 bytes would only be right if all tracks use 1-byte length fields 1452 for ($i = 0; $i < $atom_structure['num_iods_tracks']; $i++) { 1453 $atom_structure['track'][$i]['ES_ID_IncTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); 1454 $offset += 1; 1455 $atom_structure['track'][$i]['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); 1456 //$offset already adjusted by quicktime_read_mp4_descr_length() 1457 $atom_structure['track'][$i]['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4)); 1458 $offset += 4; 1459 } 1460 1461 $atom_structure['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']); 1462 $atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']); 1463 break; 1464 1465 case 'ftyp': // FileTYPe (?) atom (for MP4 it seems) 1466 $atom_structure['signature'] = substr($atom_data, 0, 4); 1467 $atom_structure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1468 $atom_structure['fourcc'] = substr($atom_data, 8, 4); 1469 break; 1470 1471 case 'mdat': // Media DATa atom 1472 // 'mdat' contains the actual data for the audio/video, possibly also subtitles 1473 1474 /* 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 */ 1475 1476 // first, skip any 'wide' padding, and second 'mdat' header (with specified size of zero?) 1477 $mdat_offset = 0; 1478 while (true) { 1479 if (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x08".'wide') { 1480 $mdat_offset += 8; 1481 } elseif (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x00".'mdat') { 1482 $mdat_offset += 8; 1483 } else { 1484 break; 1485 } 1486 } 1487 if (substr($atom_data, $mdat_offset, 4) == 'GPRO') { 1488 $GOPRO_chunk_length = getid3_lib::LittleEndian2Int(substr($atom_data, $mdat_offset + 4, 4)); 1489 $GOPRO_offset = 8; 1490 $atom_structure['GPRO']['raw'] = substr($atom_data, $mdat_offset + 8, $GOPRO_chunk_length - 8); 1491 $atom_structure['GPRO']['firmware'] = substr($atom_structure['GPRO']['raw'], 0, 15); 1492 $atom_structure['GPRO']['unknown1'] = substr($atom_structure['GPRO']['raw'], 15, 16); 1493 $atom_structure['GPRO']['unknown2'] = substr($atom_structure['GPRO']['raw'], 31, 32); 1494 $atom_structure['GPRO']['unknown3'] = substr($atom_structure['GPRO']['raw'], 63, 16); 1495 $atom_structure['GPRO']['camera'] = substr($atom_structure['GPRO']['raw'], 79, 32); 1496 $info['quicktime']['camera']['model'] = rtrim($atom_structure['GPRO']['camera'], "\x00"); 1497 } 1498 1499 // check to see if it looks like chapter titles, in the form of unterminated strings with a leading 16-bit size field 1500 while (($mdat_offset < (strlen($atom_data) - 8)) 1501 && ($chapter_string_length = getid3_lib::BigEndian2Int(substr($atom_data, $mdat_offset, 2))) 1502 && ($chapter_string_length < 1000) 1503 && ($chapter_string_length <= (strlen($atom_data) - $mdat_offset - 2)) 1504 && preg_match('#^([\x00-\xFF]{2})([\x20-\xFF]+)$#', substr($atom_data, $mdat_offset, $chapter_string_length + 2), $chapter_matches)) { 1505 list($dummy, $chapter_string_length_hex, $chapter_string) = $chapter_matches; 1506 $mdat_offset += (2 + $chapter_string_length); 1507 @$info['quicktime']['comments']['chapters'][] = $chapter_string; 1508 1509 // "encd" atom specifies encoding. In theory could be anything, almost always UTF-8, but may be UTF-16 with BOM (not currently handled) 1510 if (substr($atom_data, $mdat_offset, 12) == "\x00\x00\x00\x0C\x65\x6E\x63\x64\x00\x00\x01\x00") { // UTF-8 1511 $mdat_offset += 12; 1512 } 1513 } 1514 1515 if (($atomsize > 8) && (!isset($info['avdataend_tmp']) || ($info['quicktime'][$atomname]['size'] > ($info['avdataend_tmp'] - $info['avdataoffset'])))) { 1516 1517 $info['avdataoffset'] = $atom_structure['offset'] + 8; // $info['quicktime'][$atomname]['offset'] + 8; 1518 $OldAVDataEnd = $info['avdataend']; 1519 $info['avdataend'] = $atom_structure['offset'] + $atom_structure['size']; // $info['quicktime'][$atomname]['offset'] + $info['quicktime'][$atomname]['size']; 1520 1521 $getid3_temp = new getID3(); 1522 $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); 1523 $getid3_temp->info['avdataoffset'] = $info['avdataoffset']; 1524 $getid3_temp->info['avdataend'] = $info['avdataend']; 1525 $getid3_mp3 = new getid3_mp3($getid3_temp); 1526 if ($getid3_mp3->MPEGaudioHeaderValid($getid3_mp3->MPEGaudioHeaderDecode($this->fread(4)))) { 1527 $getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false); 1528 if (!empty($getid3_temp->info['warning'])) { 1529 foreach ($getid3_temp->info['warning'] as $value) { 1530 $this->warning($value); 1531 } 1532 } 1533 if (!empty($getid3_temp->info['mpeg'])) { 1534 $info['mpeg'] = $getid3_temp->info['mpeg']; 1535 if (isset($info['mpeg']['audio'])) { 1536 $info['audio']['dataformat'] = 'mp3'; 1537 $info['audio']['codec'] = (!empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' :'mp3'))); 1538 $info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate']; 1539 $info['audio']['channels'] = $info['mpeg']['audio']['channels']; 1540 $info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate']; 1541 $info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']); 1542 $info['bitrate'] = $info['audio']['bitrate']; 1543 } 1544 } 1545 } 1546 unset($getid3_mp3, $getid3_temp); 1547 $info['avdataend'] = $OldAVDataEnd; 1548 unset($OldAVDataEnd); 1549 1550 } 1551 1552 unset($mdat_offset, $chapter_string_length, $chapter_matches); 1553 break; 1554 1555 case 'ID32': // ID3v2 1556 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true); 1557 1558 $getid3_temp = new getID3(); 1559 $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); 1560 $getid3_id3v2 = new getid3_id3v2($getid3_temp); 1561 $getid3_id3v2->StartingOffset = $atom_structure['offset'] + 14; // framelength(4)+framename(4)+flags(4)+??(2) 1562 if ($atom_structure['valid'] = $getid3_id3v2->Analyze()) { 1563 $atom_structure['id3v2'] = $getid3_temp->info['id3v2']; 1564 } else { 1565 $this->warning('ID32 frame at offset '.$atom_structure['offset'].' did not parse'); 1566 } 1567 unset($getid3_temp, $getid3_id3v2); 1568 break; 1569 1570 case 'free': // FREE space atom 1571 case 'skip': // SKIP atom 1572 case 'wide': // 64-bit expansion placeholder atom 1573 // 'free', 'skip' and 'wide' are just padding, contains no useful data at all 1574 1575 // When writing QuickTime files, it is sometimes necessary to update an atom's size. 1576 // It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom 1577 // is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime 1578 // puts an 8-byte placeholder atom before any atoms it may have to update the size of. 1579 // In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the 1580 // placeholder atom can be overwritten to obtain the necessary 8 extra bytes. 1581 // The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ). 1582 break; 1583 1584 1585 case 'nsav': // NoSAVe atom 1586 // http://developer.apple.com/technotes/tn/tn2038.html 1587 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 1588 break; 1589 1590 case 'ctyp': // Controller TYPe atom (seen on QTVR) 1591 // http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt 1592 // some controller names are: 1593 // 0x00 + 'std' for linear movie 1594 // 'none' for no controls 1595 $atom_structure['ctyp'] = substr($atom_data, 0, 4); 1596 $info['quicktime']['controller'] = $atom_structure['ctyp']; 1597 switch ($atom_structure['ctyp']) { 1598 case 'qtvr': 1599 $info['video']['dataformat'] = 'quicktimevr'; 1600 break; 1601 } 1602 break; 1603 1604 case 'pano': // PANOrama track (seen on QTVR) 1605 $atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); 1606 break; 1607 1608 case 'hint': // HINT track 1609 case 'hinf': // 1610 case 'hinv': // 1611 case 'hnti': // 1612 $info['quicktime']['hinting'] = true; 1613 break; 1614 1615 case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR) 1616 for ($i = 0; $i < ($atom_structure['size'] - 8); $i += 4) { 1617 $atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); 1618 } 1619 break; 1620 1621 1622 // Observed-but-not-handled atom types are just listed here to prevent warnings being generated 1623 case 'FXTC': // Something to do with Adobe After Effects (?) 1624 case 'PrmA': 1625 case 'code': 1626 case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html 1627 case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html 1628 // tapt seems to be used to compute the video size [https://www.getid3.org/phpBB3/viewtopic.php?t=838] 1629 // * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html 1630 // * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html 1631 case 'ctts':// STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1632 case 'cslg':// STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1633 case 'sdtp':// STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1634 case 'stps':// STPartialSyncSampleAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html 1635 //$atom_structure['data'] = $atom_data; 1636 break; 1637 1638 case "\xA9".'xyz': // GPS latitude+longitude+altitude 1639 $atom_structure['data'] = $atom_data; 1640 if (preg_match('#([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)?/$#i', $atom_data, $matches)) { 1641 @list($all, $latitude, $longitude, $altitude) = $matches; 1642 $info['quicktime']['comments']['gps_latitude'][] = floatval($latitude); 1643 $info['quicktime']['comments']['gps_longitude'][] = floatval($longitude); 1644 if (!empty($altitude)) { 1645 $info['quicktime']['comments']['gps_altitude'][] = floatval($altitude); 1646 } 1647 } else { 1648 $this->warning('QuickTime atom "©xyz" data does not match expected data pattern at offset '.$baseoffset.'. Please report as getID3() bug.'); 1649 } 1650 break; 1651 1652 case 'NCDT': 1653 // https://exiftool.org/TagNames/Nikon.html 1654 // Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100 1655 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms); 1656 break; 1657 case 'NCTH': // Nikon Camera THumbnail image 1658 case 'NCVW': // Nikon Camera preVieW image 1659 case 'NCM1': // Nikon Camera preview iMage 1 1660 case 'NCM2': // Nikon Camera preview iMage 2 1661 // https://exiftool.org/TagNames/Nikon.html 1662 if (preg_match('/^\xFF\xD8\xFF/', $atom_data)) { 1663 $descriptions = array( 1664 'NCTH' => 'Nikon Camera Thumbnail Image', 1665 'NCVW' => 'Nikon Camera Preview Image', 1666 'NCM1' => 'Nikon Camera Preview Image 1', 1667 'NCM2' => 'Nikon Camera Preview Image 2', 1668 ); 1669 $atom_structure['data'] = $atom_data; 1670 $atom_structure['image_mime'] = 'image/jpeg'; 1671 $atom_structure['description'] = $descriptions[$atomname]; 1672 $info['quicktime']['comments']['picture'][] = array( 1673 'image_mime' => $atom_structure['image_mime'], 1674 'data' => $atom_data, 1675 'description' => $atom_structure['description'] 1676 ); 1677 } 1678 break; 1679 case 'NCTG': // Nikon - https://exiftool.org/TagNames/Nikon.html#NCTG 1680 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.nikon-nctg.php', __FILE__, true); 1681 $nikonNCTG = new getid3_tag_nikon_nctg($this->getid3); 1682 1683 $atom_structure['data'] = $nikonNCTG->parse($atom_data); 1684 break; 1685 case 'NCHD': // Nikon:MakerNoteVersion - https://exiftool.org/TagNames/Nikon.html 1686 $makerNoteVersion = ''; 1687 for ($i = 0, $iMax = strlen($atom_data); $i < $iMax; ++$i) { 1688 if (ord($atom_data[$i]) <= 0x1F) { 1689 $makerNoteVersion .= ' '.ord($atom_data[$i]); 1690 } else { 1691 $makerNoteVersion .= $atom_data[$i]; 1692 } 1693 } 1694 $makerNoteVersion = rtrim($makerNoteVersion, "\x00"); 1695 $atom_structure['data'] = array( 1696 'MakerNoteVersion' => $makerNoteVersion 1697 ); 1698 break; 1699 case 'NCDB': // Nikon - https://exiftool.org/TagNames/Nikon.html 1700 case 'CNCV': // Canon:CompressorVersion - https://exiftool.org/TagNames/Canon.html 1701 $atom_structure['data'] = $atom_data; 1702 break; 1703 1704 case "\x00\x00\x00\x00": 1705 // some kind of metacontainer, may contain a big data dump such as: 1706 // 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 1707 // https://xhelmboyx.tripod.com/formats/qti-layout.txt 1708 1709 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1710 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1711 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom(substr($atom_data, 4), $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 1712 //$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 1713 break; 1714 1715 case 'meta': // METAdata atom 1716 // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html 1717 1718 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1719 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1720 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 1721 break; 1722 1723 case 'data': // metaDATA atom 1724 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 1725 // seems to be 2 bytes language code (ASCII), 2 bytes unknown (set to 0x10B5 in sample I have), remainder is useful data 1726 $atom_structure['language'] = substr($atom_data, 4 + 0, 2); 1727 $atom_structure['unknown'] = getid3_lib::BigEndian2Int(substr($atom_data, 4 + 2, 2)); 1728 $atom_structure['data'] = substr($atom_data, 4 + 4); 1729 $atom_structure['key_name'] = (isset($info['quicktime']['temp_meta_key_names'][$metaDATAkey]) ? $info['quicktime']['temp_meta_key_names'][$metaDATAkey] : ''); 1730 $metaDATAkey++; 1731 1732 if ($atom_structure['key_name'] && $atom_structure['data']) { 1733 @$info['quicktime']['comments'][str_replace('com.apple.quicktime.', '', $atom_structure['key_name'])][] = $atom_structure['data']; 1734 } 1735 break; 1736 1737 case 'keys': // KEYS that may be present in the metadata atom. 1738 // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html#//apple_ref/doc/uid/TP40000939-CH1-SW21 1739 // The metadata item keys atom holds a list of the metadata keys that may be present in the metadata atom. 1740 // 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". 1741 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); 1742 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); 1743 $atom_structure['entry_count'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); 1744 $keys_atom_offset = 8; 1745 for ($i = 1; $i <= $atom_structure['entry_count']; $i++) { 1746 $atom_structure['keys'][$i]['key_size'] = getid3_lib::BigEndian2Int(substr($atom_data, $keys_atom_offset + 0, 4)); 1747 $atom_structure['keys'][$i]['key_namespace'] = substr($atom_data, $keys_atom_offset + 4, 4); 1748 $atom_structure['keys'][$i]['key_value'] = substr($atom_data, $keys_atom_offset + 8, $atom_structure['keys'][$i]['key_size'] - 8); 1749 $keys_atom_offset += $atom_structure['keys'][$i]['key_size']; // key_size includes the 4+4 bytes for key_size and key_namespace 1750 1751 $info['quicktime']['temp_meta_key_names'][$i] = $atom_structure['keys'][$i]['key_value']; 1752 } 1753 break; 1754 1755 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) 1756 //Get the UUID ID in first 16 bytes 1757 $uuid_bytes_read = unpack('H8time_low/H4time_mid/H4time_hi/H4clock_seq_hi/H12clock_seq_low', substr($atom_data, 0, 16)); 1758 $atom_structure['uuid_field_id'] = implode('-', $uuid_bytes_read); 1759 1760 switch ($atom_structure['uuid_field_id']) { // http://fileformats.archiveteam.org/wiki/Boxes/atoms_format#UUID_boxes 1761 1762 case '0537cdab-9d0c-4431-a72a-fa561f2a113e': // Exif - http://fileformats.archiveteam.org/wiki/Exif 1763 case '2c4c0100-8504-40b9-a03e-562148d6dfeb': // Photoshop Image Resources - http://fileformats.archiveteam.org/wiki/Photoshop_Image_Resources 1764 case '33c7a4d2-b81d-4723-a0ba-f1a3e097ad38': // IPTC-IIM - http://fileformats.archiveteam.org/wiki/IPTC-IIM 1765 case '8974dbce-7be7-4c51-84f9-7148f9882554': // PIFF Track Encryption Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format 1766 case '96a9f1f1-dc98-402d-a7ae-d68e34451809': // GeoJP2 World File Box - http://fileformats.archiveteam.org/wiki/GeoJP2 1767 case 'a2394f52-5a9b-4f14-a244-6c427c648df4': // PIFF Sample Encryption Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format 1768 case 'b14bf8bd-083d-4b43-a5ae-8cd7d5a6ce03': // GeoJP2 GeoTIFF Box - http://fileformats.archiveteam.org/wiki/GeoJP2 1769 case 'd08a4f18-10f3-4a82-b6c8-32d8aba183d3': // PIFF Protection System Specific Header Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format 1770 $this->warning('Unhandled (but recognized) "uuid" atom identified by "'.$atom_structure['uuid_field_id'].'" at offset '.$atom_structure['offset'].' ('.strlen($atom_data).' bytes)'); 1771 break; 1772 1773 case 'be7acfcb-97a9-42e8-9c71-999491e3afac': // XMP data (in XML format) 1774 $atom_structure['xml'] = substr($atom_data, 16, strlen($atom_data) - 16 - 8); // 16 bytes for UUID, 8 bytes header(?) 1775 break; 1776 1777 case 'efe1589a-bb77-49ef-8095-27759eb1dc6f': // 360fly data 1778 /* 360fly code in this block by Paul Lewis 2019-Oct-31 */ 1779 /* Sensor Timestamps need to be calculated using the recordings base time at ['quicktime']['moov']['subatoms'][0]['creation_time_unix']. */ 1780 $atom_structure['title'] = '360Fly Sensor Data'; 1781 1782 //Get the UUID HEADER data 1783 $uuid_bytes_read = unpack('vheader_size/vheader_version/vtimescale/vhardware_version/x/x/x/x/x/x/x/x/x/x/x/x/x/x/x/x/', substr($atom_data, 16, 32)); 1784 $atom_structure['uuid_header'] = $uuid_bytes_read; 1785 1786 $start_byte = 48; 1787 $atom_SENSOR_data = substr($atom_data, $start_byte); 1788 $atom_structure['sensor_data']['data_type'] = array( 1789 'fusion_count' => 0, // ID 250 1790 'fusion_data' => array(), 1791 'accel_count' => 0, // ID 1 1792 'accel_data' => array(), 1793 'gyro_count' => 0, // ID 2 1794 'gyro_data' => array(), 1795 'magno_count' => 0, // ID 3 1796 'magno_data' => array(), 1797 'gps_count' => 0, // ID 5 1798 'gps_data' => array(), 1799 'rotation_count' => 0, // ID 6 1800 'rotation_data' => array(), 1801 'unknown_count' => 0, // ID ?? 1802 'unknown_data' => array(), 1803 'debug_list' => '', // Used to debug variables stored as comma delimited strings 1804 ); 1805 $debug_structure = array(); 1806 $debug_structure['debug_items'] = array(); 1807 // Can start loop here to decode all sensor data in 32 Byte chunks: 1808 foreach (str_split($atom_SENSOR_data, 32) as $sensor_key => $sensor_data) { 1809 // This gets me a data_type code to work out what data is in the next 31 bytes. 1810 $sensor_data_type = substr($sensor_data, 0, 1); 1811 $sensor_data_content = substr($sensor_data, 1); 1812 $uuid_bytes_read = unpack('C*', $sensor_data_type); 1813 $sensor_data_array = array(); 1814 switch ($uuid_bytes_read[1]) { 1815 case 250: 1816 $atom_structure['sensor_data']['data_type']['fusion_count']++; 1817 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); 1818 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1819 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1820 $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; 1821 $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; 1822 $sensor_data_array['roll'] = $uuid_bytes_read['roll']; 1823 array_push($atom_structure['sensor_data']['data_type']['fusion_data'], $sensor_data_array); 1824 break; 1825 case 1: 1826 $atom_structure['sensor_data']['data_type']['accel_count']++; 1827 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); 1828 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1829 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1830 $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; 1831 $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; 1832 $sensor_data_array['roll'] = $uuid_bytes_read['roll']; 1833 array_push($atom_structure['sensor_data']['data_type']['accel_data'], $sensor_data_array); 1834 break; 1835 case 2: 1836 $atom_structure['sensor_data']['data_type']['gyro_count']++; 1837 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); 1838 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1839 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1840 $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; 1841 $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; 1842 $sensor_data_array['roll'] = $uuid_bytes_read['roll']; 1843 array_push($atom_structure['sensor_data']['data_type']['gyro_data'], $sensor_data_array); 1844 break; 1845 case 3: 1846 $atom_structure['sensor_data']['data_type']['magno_count']++; 1847 $uuid_bytes_read = unpack('cmode/Jtimestamp/Gmagx/Gmagy/Gmagz/x*', $sensor_data_content); 1848 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1849 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1850 $sensor_data_array['magx'] = $uuid_bytes_read['magx']; 1851 $sensor_data_array['magy'] = $uuid_bytes_read['magy']; 1852 $sensor_data_array['magz'] = $uuid_bytes_read['magz']; 1853 array_push($atom_structure['sensor_data']['data_type']['magno_data'], $sensor_data_array); 1854 break; 1855 case 5: 1856 $atom_structure['sensor_data']['data_type']['gps_count']++; 1857 $uuid_bytes_read = unpack('cmode/Jtimestamp/Glat/Glon/Galt/Gspeed/nbearing/nacc/x*', $sensor_data_content); 1858 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1859 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1860 $sensor_data_array['lat'] = $uuid_bytes_read['lat']; 1861 $sensor_data_array['lon'] = $uuid_bytes_read['lon']; 1862 $sensor_data_array['alt'] = $uuid_bytes_read['alt']; 1863 $sensor_data_array['speed'] = $uuid_bytes_read['speed']; 1864 $sensor_data_array['bearing'] = $uuid_bytes_read['bearing']; 1865 $sensor_data_array['acc'] = $uuid_bytes_read['acc']; 1866 array_push($atom_structure['sensor_data']['data_type']['gps_data'], $sensor_data_array); 1867 //array_push($debug_structure['debug_items'], $uuid_bytes_read['timestamp']); 1868 break; 1869 case 6: 1870 $atom_structure['sensor_data']['data_type']['rotation_count']++; 1871 $uuid_bytes_read = unpack('cmode/Jtimestamp/Grotx/Groty/Grotz/x*', $sensor_data_content); 1872 $sensor_data_array['mode'] = $uuid_bytes_read['mode']; 1873 $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; 1874 $sensor_data_array['rotx'] = $uuid_bytes_read['rotx']; 1875 $sensor_data_array['roty'] = $uuid_bytes_read['roty']; 1876 $sensor_data_array['rotz'] = $uuid_bytes_read['rotz']; 1877 array_push($atom_structure['sensor_data']['data_type']['rotation_data'], $sensor_data_array); 1878 break; 1879 default: 1880 $atom_structure['sensor_data']['data_type']['unknown_count']++; 1881 break; 1882 } 1883 } 1884 //if (isset($debug_structure['debug_items']) && count($debug_structure['debug_items']) > 0) { 1885 // $atom_structure['sensor_data']['data_type']['debug_list'] = implode(',', $debug_structure['debug_items']); 1886 //} else { 1887 $atom_structure['sensor_data']['data_type']['debug_list'] = 'No debug items in list!'; 1888 //} 1889 break; 1890 1891 default: 1892 $this->warning('Unhandled "uuid" atom identified by "'.$atom_structure['uuid_field_id'].'" at offset '.$atom_structure['offset'].' ('.strlen($atom_data).' bytes)'); 1893 } 1894 break; 1895 1896 case 'gps ': 1897 // https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730 1898 // The 'gps ' contains simple look up table made up of 8byte rows, that point to the 'free' atoms that contains the actual GPS data. 1899 // The first row is version/metadata/notsure, I skip that. 1900 // The following rows consist of 4byte address (absolute) and 4byte size (0x1000), these point to the GPS data in the file. 1901 1902 $GPS_rowsize = 8; // 4 bytes for offset, 4 bytes for size 1903 if (strlen($atom_data) > 0) { 1904 if ((strlen($atom_data) % $GPS_rowsize) == 0) { 1905 $atom_structure['gps_toc'] = array(); 1906 foreach (str_split($atom_data, $GPS_rowsize) as $counter => $datapair) { 1907 $atom_structure['gps_toc'][] = unpack('Noffset/Nsize', substr($atom_data, $counter * $GPS_rowsize, $GPS_rowsize)); 1908 } 1909 1910 $atom_structure['gps_entries'] = array(); 1911 $previous_offset = $this->ftell(); 1912 foreach ($atom_structure['gps_toc'] as $key => $gps_pointer) { 1913 if ($key == 0) { 1914 // "The first row is version/metadata/notsure, I skip that." 1915 continue; 1916 } 1917 $this->fseek($gps_pointer['offset']); 1918 $GPS_free_data = $this->fread($gps_pointer['size']); 1919 1920 /* 1921 // 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 1922 1923 // https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730 1924 // The structure of the GPS data atom (the 'free' atoms mentioned above) is following: 1925 // hour,minute,second,year,month,day,active,latitude_b,longitude_b,unknown2,latitude,longitude,speed = struct.unpack_from('<IIIIIIssssfff',data, 48) 1926 // For those unfamiliar with python struct: 1927 // I = int 1928 // s = is string (size 1, in this case) 1929 // f = float 1930 1931 //$atom_structure['gps_entries'][$key] = unpack('Vhour/Vminute/Vsecond/Vyear/Vmonth/Vday/Vactive/Vlatitude_b/Vlongitude_b/Vunknown2/flatitude/flongitude/fspeed', substr($GPS_free_data, 48)); 1932 */ 1933 1934 // $GPRMC,081836,A,3751.65,S,14507.36,E,000.0,360.0,130998,011.3,E*62 1935 // $GPRMC,183731,A,3907.482,N,12102.436,W,000.0,360.0,080301,015.5,E*67 1936 // $GPRMC,002454,A,3553.5295,N,13938.6570,E,0.0,43.1,180700,7.1,W,A*3F 1937 // $GPRMC,094347.000,A,5342.0061,N,00737.9908,W,0.01,156.75,140217,,,A*7D 1938 if (preg_match('#\\$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)) { 1939 $GPS_this_GPRMC = array(); 1940 $GPS_this_GPRMC_raw = array(); 1941 list( 1942 $GPS_this_GPRMC_raw['gprmc'], 1943 $GPS_this_GPRMC_raw['timestamp'], 1944 $GPS_this_GPRMC_raw['status'], 1945 $GPS_this_GPRMC_raw['latitude'], 1946 $GPS_this_GPRMC_raw['latitude_direction'], 1947 $GPS_this_GPRMC_raw['longitude'], 1948 $GPS_this_GPRMC_raw['longitude_direction'], 1949 $GPS_this_GPRMC_raw['knots'], 1950 $GPS_this_GPRMC_raw['angle'], 1951 $GPS_this_GPRMC_raw['datestamp'], 1952 $GPS_this_GPRMC_raw['variation'], 1953 $GPS_this_GPRMC_raw['variation_direction'], 1954 $dummy, 1955 $GPS_this_GPRMC_raw['checksum'], 1956 ) = $matches; 1957 $GPS_this_GPRMC['raw'] = $GPS_this_GPRMC_raw; 1958 1959 $hour = substr($GPS_this_GPRMC['raw']['timestamp'], 0, 2); 1960 $minute = substr($GPS_this_GPRMC['raw']['timestamp'], 2, 2); 1961 $second = substr($GPS_this_GPRMC['raw']['timestamp'], 4, 2); 1962 $ms = substr($GPS_this_GPRMC['raw']['timestamp'], 6); // may contain decimal seconds 1963 $day = substr($GPS_this_GPRMC['raw']['datestamp'], 0, 2); 1964 $month = substr($GPS_this_GPRMC['raw']['datestamp'], 2, 2); 1965 $year = (int) substr($GPS_this_GPRMC['raw']['datestamp'], 4, 2); 1966 $year += (($year > 90) ? 1900 : 2000); // complete lack of foresight: datestamps are stored with 2-digit years, take best guess 1967 $GPS_this_GPRMC['timestamp'] = $year.'-'.$month.'-'.$day.' '.$hour.':'.$minute.':'.$second.$ms; 1968 1969 $GPS_this_GPRMC['active'] = ($GPS_this_GPRMC['raw']['status'] == 'A'); // A=Active,V=Void 1970 1971 foreach (array('latitude','longitude') as $latlon) { 1972 preg_match('#^([0-9]{1,3})([0-9]{2}\\.[0-9]+)$#', $GPS_this_GPRMC['raw'][$latlon], $matches); 1973 list($dummy, $deg, $min) = $matches; 1974 $GPS_this_GPRMC[$latlon] = $deg + ($min / 60); 1975 } 1976 $GPS_this_GPRMC['latitude'] *= (($GPS_this_GPRMC['raw']['latitude_direction'] == 'S') ? -1 : 1); 1977 $GPS_this_GPRMC['longitude'] *= (($GPS_this_GPRMC['raw']['longitude_direction'] == 'W') ? -1 : 1); 1978 1979 $GPS_this_GPRMC['heading'] = $GPS_this_GPRMC['raw']['angle']; 1980 $GPS_this_GPRMC['speed_knot'] = $GPS_this_GPRMC['raw']['knots']; 1981 $GPS_this_GPRMC['speed_kmh'] = $GPS_this_GPRMC['raw']['knots'] * 1.852; 1982 if ($GPS_this_GPRMC['raw']['variation']) { 1983 $GPS_this_GPRMC['variation'] = $GPS_this_GPRMC['raw']['variation']; 1984 $GPS_this_GPRMC['variation'] *= (($GPS_this_GPRMC['raw']['variation_direction'] == 'W') ? -1 : 1); 1985 } 1986 1987 $atom_structure['gps_entries'][$key] = $GPS_this_GPRMC; 1988 1989 @$info['quicktime']['gps_track'][$GPS_this_GPRMC['timestamp']] = array( 1990 'latitude' => (float) $GPS_this_GPRMC['latitude'], 1991 'longitude' => (float) $GPS_this_GPRMC['longitude'], 1992 'speed_kmh' => (float) $GPS_this_GPRMC['speed_kmh'], 1993 'heading' => (float) $GPS_this_GPRMC['heading'], 1994 ); 1995 1996 } else { 1997 $this->warning('Unhandled GPS format in "free" atom at offset '.$gps_pointer['offset']); 1998 } 1999 } 2000 $this->fseek($previous_offset); 2001 2002 } else { 2003 $this->warning('QuickTime atom "'.$atomname.'" is not mod-8 bytes long ('.$atomsize.' bytes) at offset '.$baseoffset); 2004 } 2005 } else { 2006 $this->warning('QuickTime atom "'.$atomname.'" is zero bytes long at offset '.$baseoffset); 2007 } 2008 break; 2009 2010 case 'loci':// 3GP location (El Loco) 2011 $loffset = 0; 2012 $info['quicktime']['comments']['gps_flags'] = array( getid3_lib::BigEndian2Int(substr($atom_data, 0, 4))); 2013 $info['quicktime']['comments']['gps_lang'] = array( getid3_lib::BigEndian2Int(substr($atom_data, 4, 2))); 2014 $info['quicktime']['comments']['gps_location'] = array( $this->LociString(substr($atom_data, 6), $loffset)); 2015 $loci_data = substr($atom_data, 6 + $loffset); 2016 $info['quicktime']['comments']['gps_role'] = array( getid3_lib::BigEndian2Int(substr($loci_data, 0, 1))); 2017 $info['quicktime']['comments']['gps_longitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 1, 4))); 2018 $info['quicktime']['comments']['gps_latitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 5, 4))); 2019 $info['quicktime']['comments']['gps_altitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 9, 4))); 2020 $info['quicktime']['comments']['gps_body'] = array( $this->LociString(substr($loci_data, 13 ), $loffset)); 2021 $info['quicktime']['comments']['gps_notes'] = array( $this->LociString(substr($loci_data, 13 + $loffset), $loffset)); 2022 break; 2023 2024 case 'chpl': // CHaPter List 2025 // https://www.adobe.com/content/dam/Adobe/en/devnet/flv/pdfs/video_file_format_spec_v10.pdf 2026 $chpl_version = getid3_lib::BigEndian2Int(substr($atom_data, 4, 1)); // Expected to be 0 2027 $chpl_flags = getid3_lib::BigEndian2Int(substr($atom_data, 5, 3)); // Reserved, set to 0 2028 $chpl_count = getid3_lib::BigEndian2Int(substr($atom_data, 8, 1)); 2029 $chpl_offset = 9; 2030 for ($i = 0; $i < $chpl_count; $i++) { 2031 if (($chpl_offset + 9) >= strlen($atom_data)) { 2032 $this->warning('QuickTime chapter '.$i.' extends beyond end of "chpl" atom'); 2033 break; 2034 } 2035 $info['quicktime']['chapters'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($atom_data, $chpl_offset, 8)) / 10000000; // timestamps are stored as 100-nanosecond units 2036 $chpl_offset += 8; 2037 $chpl_title_size = getid3_lib::BigEndian2Int(substr($atom_data, $chpl_offset, 1)); 2038 $chpl_offset += 1; 2039 $info['quicktime']['chapters'][$i]['title'] = substr($atom_data, $chpl_offset, $chpl_title_size); 2040 $chpl_offset += $chpl_title_size; 2041 } 2042 break; 2043 2044 case 'FIRM': // FIRMware version(?), seen on GoPro Hero4 2045 $info['quicktime']['camera']['firmware'] = $atom_data; 2046 break; 2047 2048 case 'CAME': // FIRMware version(?), seen on GoPro Hero4 2049 $info['quicktime']['camera']['serial_hash'] = unpack('H*', $atom_data); 2050 break; 2051 2052 case 'dscp': 2053 case 'rcif': 2054 // https://www.getid3.org/phpBB3/viewtopic.php?t=1908 2055 if (substr($atom_data, 0, 7) == "\x00\x00\x00\x00\x55\xC4".'{') { 2056 if ($json_decoded = @json_decode(rtrim(substr($atom_data, 6), "\x00"), true)) { 2057 $info['quicktime']['camera'][$atomname] = $json_decoded; 2058 if (($atomname == 'rcif') && isset($info['quicktime']['camera']['rcif']['wxcamera']['rotate'])) { 2059 $info['video']['rotate'] = $info['quicktime']['video']['rotate'] = $info['quicktime']['camera']['rcif']['wxcamera']['rotate']; 2060 } 2061 } else { 2062 $this->warning('Failed to JSON decode atom "'.$atomname.'"'); 2063 $atom_structure['data'] = $atom_data; 2064 } 2065 unset($json_decoded); 2066 } else { 2067 $this->warning('Expecting 55 C4 7B at start of atom "'.$atomname.'", found '.getid3_lib::PrintHexBytes(substr($atom_data, 4, 3)).' instead'); 2068 $atom_structure['data'] = $atom_data; 2069 } 2070 break; 2071 2072 case 'frea': 2073 // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea 2074 // may contain "scra" (PreviewImage) and/or "thma" (ThumbnailImage) 2075 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms); 2076 break; 2077 case 'tima': // subatom to "frea" 2078 // no idea what this does, the one sample file I've seen has a value of 0x00000027 2079 $atom_structure['data'] = $atom_data; 2080 break; 2081 case 'ver ': // subatom to "frea" 2082 // some kind of version number, the one sample file I've seen has a value of "3.00.073" 2083 $atom_structure['data'] = $atom_data; 2084 break; 2085 case 'thma': // subatom to "frea" -- "ThumbnailImage" 2086 // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea 2087 if (strlen($atom_data) > 0) { 2088 $info['quicktime']['comments']['picture'][] = array('data'=>$atom_data, 'image_mime'=>'image/jpeg', 'description'=>'ThumbnailImage'); 2089 } 2090 break; 2091 case 'scra': // subatom to "frea" -- "PreviewImage" 2092 // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea 2093 // but the only sample file I've seen has no useful data here 2094 if (strlen($atom_data) > 0) { 2095 $info['quicktime']['comments']['picture'][] = array('data'=>$atom_data, 'image_mime'=>'image/jpeg', 'description'=>'PreviewImage'); 2096 } 2097 break; 2098 2099 case 'cdsc': // timed metadata reference 2100 // A QuickTime movie can contain none, one, or several timed metadata tracks. Timed metadata tracks can refer to multiple tracks. 2101 // Metadata tracks are linked to the tracks they describe using a track-reference of type 'cdsc'. The metadata track holds the 'cdsc' track reference. 2102 $atom_structure['track_number'] = getid3_lib::BigEndian2Int($atom_data); 2103 break; 2104 2105 2106 case 'esds': // Elementary Stream DeScriptor 2107 // https://github.com/JamesHeinrich/getID3/issues/414 2108 // https://chromium.googlesource.com/chromium/src/media/+/refs/heads/main/formats/mp4/es_descriptor.cc 2109 // https://chromium.googlesource.com/chromium/src/media/+/refs/heads/main/formats/mp4/es_descriptor.h 2110 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); // hardcoded: 0x00 2111 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x000000 2112 $esds_offset = 4; 2113 2114 $atom_structure['ES_DescrTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 1)); 2115 $esds_offset += 1; 2116 if ($atom_structure['ES_DescrTag'] != 0x03) { 2117 $this->warning('expecting esds.ES_DescrTag = 0x03, found 0x'.getid3_lib::PrintHexBytes($atom_structure['ES_DescrTag']).'), at offset '.$atom_structure['offset']); 2118 break; 2119 } 2120 $atom_structure['ES_DescrSize'] = $this->quicktime_read_mp4_descr_length($atom_data, $esds_offset); 2121 2122 $atom_structure['ES_ID'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 2)); 2123 $esds_offset += 2; 2124 $atom_structure['ES_flagsraw'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 1)); 2125 $esds_offset += 1; 2126 $atom_structure['ES_flags']['stream_dependency'] = (bool) ($atom_structure['ES_flagsraw'] & 0x80); 2127 $atom_structure['ES_flags']['url_flag'] = (bool) ($atom_structure['ES_flagsraw'] & 0x40); 2128 $atom_structure['ES_flags']['ocr_stream'] = (bool) ($atom_structure['ES_flagsraw'] & 0x20); 2129 $atom_structure['ES_stream_priority'] = ($atom_structure['ES_flagsraw'] & 0x1F); 2130 if ($atom_structure['ES_flags']['url_flag']) { 2131 $this->warning('Unsupported esds.url_flag enabled at offset '.$atom_structure['offset']); 2132 break; 2133 } 2134 if ($atom_structure['ES_flags']['stream_dependency']) { 2135 $atom_structure['ES_dependsOn_ES_ID'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 2)); 2136 $esds_offset += 2; 2137 } 2138 if ($atom_structure['ES_flags']['ocr_stream']) { 2139 $atom_structure['ES_OCR_ES_Id'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 2)); 2140 $esds_offset += 2; 2141 } 2142 2143 $atom_structure['ES_DecoderConfigDescrTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 1)); 2144 $esds_offset += 1; 2145 if ($atom_structure['ES_DecoderConfigDescrTag'] != 0x04) { 2146 $this->warning('expecting esds.ES_DecoderConfigDescrTag = 0x04, found 0x'.getid3_lib::PrintHexBytes($atom_structure['ES_DecoderConfigDescrTag']).'), at offset '.$atom_structure['offset']); 2147 break; 2148 } 2149 $atom_structure['ES_DecoderConfigDescrTagSize'] = $this->quicktime_read_mp4_descr_length($atom_data, $esds_offset); 2150 2151 $atom_structure['ES_objectTypeIndication'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 1)); 2152 $esds_offset += 1; 2153 // https://stackoverflow.com/questions/3987850 2154 // 0x40 = "Audio ISO/IEC 14496-3" = MPEG-4 Audio 2155 // 0x67 = "Audio ISO/IEC 13818-7 LowComplexity Profile" = MPEG-2 AAC LC 2156 // 0x69 = "Audio ISO/IEC 13818-3" = MPEG-2 Backward Compatible Audio (MPEG-2 Layers 1, 2, and 3) 2157 // 0x6B = "Audio ISO/IEC 11172-3" = MPEG-1 Audio (MPEG-1 Layers 1, 2, and 3) 2158 2159 $streamTypePlusFlags = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 1)); 2160 $esds_offset += 1; 2161 $atom_structure['ES_streamType'] = ($streamTypePlusFlags & 0xFC) >> 2; 2162 $atom_structure['ES_upStream'] = (bool) ($streamTypePlusFlags & 0x02) >> 1; 2163 $atom_structure['ES_bufferSizeDB'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 3)); 2164 $esds_offset += 3; 2165 $atom_structure['ES_maxBitrate'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 4)); 2166 $esds_offset += 4; 2167 $atom_structure['ES_avgBitrate'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 4)); 2168 $esds_offset += 4; 2169 if ($atom_structure['ES_avgBitrate']) { 2170 $info['quicktime']['audio']['bitrate'] = $atom_structure['ES_avgBitrate']; 2171 $info['audio']['bitrate'] = $atom_structure['ES_avgBitrate']; 2172 } 2173 2174 $atom_structure['ES_DecSpecificInfoTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 1)); 2175 $esds_offset += 1; 2176 if ($atom_structure['ES_DecSpecificInfoTag'] != 0x05) { 2177 $this->warning('expecting esds.ES_DecSpecificInfoTag = 0x05, found 0x'.getid3_lib::PrintHexBytes($atom_structure['ES_DecSpecificInfoTag']).'), at offset '.$atom_structure['offset']); 2178 break; 2179 } 2180 $atom_structure['ES_DecSpecificInfoTagSize'] = $this->quicktime_read_mp4_descr_length($atom_data, $esds_offset); 2181 2182 $atom_structure['ES_DecSpecificInfo'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, $atom_structure['ES_DecSpecificInfoTagSize'])); 2183 $esds_offset += $atom_structure['ES_DecSpecificInfoTagSize']; 2184 2185 $atom_structure['ES_SLConfigDescrTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, 1)); 2186 $esds_offset += 1; 2187 if ($atom_structure['ES_SLConfigDescrTag'] != 0x06) { 2188 $this->warning('expecting esds.ES_SLConfigDescrTag = 0x05, found 0x'.getid3_lib::PrintHexBytes($atom_structure['ES_SLConfigDescrTag']).'), at offset '.$atom_structure['offset']); 2189 break; 2190 } 2191 $atom_structure['ES_SLConfigDescrTagSize'] = $this->quicktime_read_mp4_descr_length($atom_data, $esds_offset); 2192 2193 $atom_structure['ES_SLConfigDescr'] = getid3_lib::BigEndian2Int(substr($atom_data, $esds_offset, $atom_structure['ES_SLConfigDescrTagSize'])); 2194 $esds_offset += $atom_structure['ES_SLConfigDescrTagSize']; 2195 break; 2196 2197 // AVIF-related - https://docs.rs/avif-parse/0.13.2/src/avif_parse/boxes.rs.html 2198 case 'pitm': // Primary ITeM 2199 case 'iloc': // Item LOCation 2200 case 'iinf': // Item INFo 2201 case 'iref': // Image REFerence 2202 case 'iprp': // Image PRoPerties 2203 $this->error('AVIF files not currently supported'); 2204 $atom_structure['data'] = $atom_data; 2205 break; 2206 2207 case 'tfdt': // Track Fragment base media Decode Time box 2208 case 'tfhd': // Track Fragment HeaDer box 2209 case 'mfhd': // Movie Fragment HeaDer box 2210 case 'trun': // Track fragment RUN box 2211 $this->error('fragmented mp4 files not currently supported'); 2212 $atom_structure['data'] = $atom_data; 2213 break; 2214 2215 case 'mvex': // MoVie EXtends box 2216 case 'pssh': // Protection System Specific Header box 2217 case 'sidx': // Segment InDeX box 2218 default: 2219 $this->warning('Unknown QuickTime atom type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" ('.trim(getid3_lib::PrintHexBytes($atomname)).'), '.$atomsize.' bytes at offset '.$baseoffset); 2220 $atom_structure['data'] = $atom_data; 2221 break; 2222 } 2223 } 2224 array_pop($atomHierarchy); 2225 return $atom_structure; 2226 } 2227 2228 /** 2229 * @param string $atom_data 2230 * @param int $baseoffset 2231 * @param array $atomHierarchy 2232 * @param bool $ParseAllPossibleAtoms 2233 * 2234 * @return array|false 2235 */ 2236 public function QuicktimeParseContainerAtom($atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { 2237 $atom_structure = array(); 2238 $subatomoffset = 0; 2239 $subatomcounter = 0; 2240 if ((strlen($atom_data) == 4) && (getid3_lib::BigEndian2Int($atom_data) == 0x00000000)) { 2241 return false; 2242 } 2243 while ($subatomoffset < strlen($atom_data)) { 2244 $subatomsize = getid3_lib::BigEndian2Int(substr($atom_data, $subatomoffset + 0, 4)); 2245 $subatomname = substr($atom_data, $subatomoffset + 4, 4); 2246 $subatomdata = substr($atom_data, $subatomoffset + 8, $subatomsize - 8); 2247 if ($subatomsize == 0) { 2248 // Furthermore, for historical reasons the list of atoms is optionally 2249 // terminated by a 32-bit integer set to 0. If you are writing a program 2250 // to read user data atoms, you should allow for the terminating 0. 2251 if (strlen($atom_data) > 12) { 2252 $subatomoffset += 4; 2253 continue; 2254 } 2255 break; 2256 } 2257 if (strlen($subatomdata) < ($subatomsize - 8)) { 2258 // we don't have enough data to decode the subatom. 2259 // this may be because we are refusing to parse large subatoms, or it may be because this atom had its size set too large 2260 // so we passed in the start of a following atom incorrectly? 2261 break; 2262 } 2263 $atom_structure[$subatomcounter++] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms); 2264 $subatomoffset += $subatomsize; 2265 } 2266 2267 if (empty($atom_structure)) { 2268 return false; 2269 } 2270 2271 return $atom_structure; 2272 } 2273 2274 /** 2275 * @param string $data 2276 * @param int $offset 2277 * 2278 * @return int 2279 */ 2280 public function quicktime_read_mp4_descr_length($data, &$offset) { 2281 // http://libquicktime.sourcearchive.com/documentation/2:1.0.2plus-pdebian-2build1/esds_8c-source.html 2282 $num_bytes = 0; 2283 $length = 0; 2284 do { 2285 $b = ord(substr($data, $offset++, 1)); 2286 $length = ($length << 7) | ($b & 0x7F); 2287 } while (($b & 0x80) && ($num_bytes++ < 4)); 2288 return $length; 2289 } 2290 2291 /** 2292 * @param int $languageid 2293 * 2294 * @return string 2295 */ 2296 public function QuicktimeLanguageLookup($languageid) { 2297 // http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-34353 2298 static $QuicktimeLanguageLookup = array(); 2299 if (empty($QuicktimeLanguageLookup)) { 2300 $QuicktimeLanguageLookup[0] = 'English'; 2301 $QuicktimeLanguageLookup[1] = 'French'; 2302 $QuicktimeLanguageLookup[2] = 'German'; 2303 $QuicktimeLanguageLookup[3] = 'Italian'; 2304 $QuicktimeLanguageLookup[4] = 'Dutch'; 2305 $QuicktimeLanguageLookup[5] = 'Swedish'; 2306 $QuicktimeLanguageLookup[6] = 'Spanish'; 2307 $QuicktimeLanguageLookup[7] = 'Danish'; 2308 $QuicktimeLanguageLookup[8] = 'Portuguese'; 2309 $QuicktimeLanguageLookup[9] = 'Norwegian'; 2310 $QuicktimeLanguageLookup[10] = 'Hebrew'; 2311 $QuicktimeLanguageLookup[11] = 'Japanese'; 2312 $QuicktimeLanguageLookup[12] = 'Arabic'; 2313 $QuicktimeLanguageLookup[13] = 'Finnish'; 2314 $QuicktimeLanguageLookup[14] = 'Greek'; 2315 $QuicktimeLanguageLookup[15] = 'Icelandic'; 2316 $QuicktimeLanguageLookup[16] = 'Maltese'; 2317 $QuicktimeLanguageLookup[17] = 'Turkish'; 2318 $QuicktimeLanguageLookup[18] = 'Croatian'; 2319 $QuicktimeLanguageLookup[19] = 'Chinese (Traditional)'; 2320 $QuicktimeLanguageLookup[20] = 'Urdu'; 2321 $QuicktimeLanguageLookup[21] = 'Hindi'; 2322 $QuicktimeLanguageLookup[22] = 'Thai'; 2323 $QuicktimeLanguageLookup[23] = 'Korean'; 2324 $QuicktimeLanguageLookup[24] = 'Lithuanian'; 2325 $QuicktimeLanguageLookup[25] = 'Polish'; 2326 $QuicktimeLanguageLookup[26] = 'Hungarian'; 2327 $QuicktimeLanguageLookup[27] = 'Estonian'; 2328 $QuicktimeLanguageLookup[28] = 'Lettish'; 2329 $QuicktimeLanguageLookup[28] = 'Latvian'; 2330 $QuicktimeLanguageLookup[29] = 'Saamisk'; 2331 $QuicktimeLanguageLookup[29] = 'Lappish'; 2332 $QuicktimeLanguageLookup[30] = 'Faeroese'; 2333 $QuicktimeLanguageLookup[31] = 'Farsi'; 2334 $QuicktimeLanguageLookup[31] = 'Persian'; 2335 $QuicktimeLanguageLookup[32] = 'Russian'; 2336 $QuicktimeLanguageLookup[33] = 'Chinese (Simplified)'; 2337 $QuicktimeLanguageLookup[34] = 'Flemish'; 2338 $QuicktimeLanguageLookup[35] = 'Irish'; 2339 $QuicktimeLanguageLookup[36] = 'Albanian'; 2340 $QuicktimeLanguageLookup[37] = 'Romanian'; 2341 $QuicktimeLanguageLookup[38] = 'Czech'; 2342 $QuicktimeLanguageLookup[39] = 'Slovak'; 2343 $QuicktimeLanguageLookup[40] = 'Slovenian'; 2344 $QuicktimeLanguageLookup[41] = 'Yiddish'; 2345 $QuicktimeLanguageLookup[42] = 'Serbian'; 2346 $QuicktimeLanguageLookup[43] = 'Macedonian'; 2347 $QuicktimeLanguageLookup[44] = 'Bulgarian'; 2348 $QuicktimeLanguageLookup[45] = 'Ukrainian'; 2349 $QuicktimeLanguageLookup[46] = 'Byelorussian'; 2350 $QuicktimeLanguageLookup[47] = 'Uzbek'; 2351 $QuicktimeLanguageLookup[48] = 'Kazakh'; 2352 $QuicktimeLanguageLookup[49] = 'Azerbaijani'; 2353 $QuicktimeLanguageLookup[50] = 'AzerbaijanAr'; 2354 $QuicktimeLanguageLookup[51] = 'Armenian'; 2355 $QuicktimeLanguageLookup[52] = 'Georgian'; 2356 $QuicktimeLanguageLookup[53] = 'Moldavian'; 2357 $QuicktimeLanguageLookup[54] = 'Kirghiz'; 2358 $QuicktimeLanguageLookup[55] = 'Tajiki'; 2359 $QuicktimeLanguageLookup[56] = 'Turkmen'; 2360 $QuicktimeLanguageLookup[57] = 'Mongolian'; 2361 $QuicktimeLanguageLookup[58] = 'MongolianCyr'; 2362 $QuicktimeLanguageLookup[59] = 'Pashto'; 2363 $QuicktimeLanguageLookup[60] = 'Kurdish'; 2364 $QuicktimeLanguageLookup[61] = 'Kashmiri'; 2365 $QuicktimeLanguageLookup[62] = 'Sindhi'; 2366 $QuicktimeLanguageLookup[63] = 'Tibetan'; 2367 $QuicktimeLanguageLookup[64] = 'Nepali'; 2368 $QuicktimeLanguageLookup[65] = 'Sanskrit'; 2369 $QuicktimeLanguageLookup[66] = 'Marathi'; 2370 $QuicktimeLanguageLookup[67] = 'Bengali'; 2371 $QuicktimeLanguageLookup[68] = 'Assamese'; 2372 $QuicktimeLanguageLookup[69] = 'Gujarati'; 2373 $QuicktimeLanguageLookup[70] = 'Punjabi'; 2374 $QuicktimeLanguageLookup[71] = 'Oriya'; 2375 $QuicktimeLanguageLookup[72] = 'Malayalam'; 2376 $QuicktimeLanguageLookup[73] = 'Kannada'; 2377 $QuicktimeLanguageLookup[74] = 'Tamil'; 2378 $QuicktimeLanguageLookup[75] = 'Telugu'; 2379 $QuicktimeLanguageLookup[76] = 'Sinhalese'; 2380 $QuicktimeLanguageLookup[77] = 'Burmese'; 2381 $QuicktimeLanguageLookup[78] = 'Khmer'; 2382 $QuicktimeLanguageLookup[79] = 'Lao'; 2383 $QuicktimeLanguageLookup[80] = 'Vietnamese'; 2384 $QuicktimeLanguageLookup[81] = 'Indonesian'; 2385 $QuicktimeLanguageLookup[82] = 'Tagalog'; 2386 $QuicktimeLanguageLookup[83] = 'MalayRoman'; 2387 $QuicktimeLanguageLookup[84] = 'MalayArabic'; 2388 $QuicktimeLanguageLookup[85] = 'Amharic'; 2389 $QuicktimeLanguageLookup[86] = 'Tigrinya'; 2390 $QuicktimeLanguageLookup[87] = 'Galla'; 2391 $QuicktimeLanguageLookup[87] = 'Oromo'; 2392 $QuicktimeLanguageLookup[88] = 'Somali'; 2393 $QuicktimeLanguageLookup[89] = 'Swahili'; 2394 $QuicktimeLanguageLookup[90] = 'Ruanda'; 2395 $QuicktimeLanguageLookup[91] = 'Rundi'; 2396 $QuicktimeLanguageLookup[92] = 'Chewa'; 2397 $QuicktimeLanguageLookup[93] = 'Malagasy'; 2398 $QuicktimeLanguageLookup[94] = 'Esperanto'; 2399 $QuicktimeLanguageLookup[128] = 'Welsh'; 2400 $QuicktimeLanguageLookup[129] = 'Basque'; 2401 $QuicktimeLanguageLookup[130] = 'Catalan'; 2402 $QuicktimeLanguageLookup[131] = 'Latin'; 2403 $QuicktimeLanguageLookup[132] = 'Quechua'; 2404 $QuicktimeLanguageLookup[133] = 'Guarani'; 2405 $QuicktimeLanguageLookup[134] = 'Aymara'; 2406 $QuicktimeLanguageLookup[135] = 'Tatar'; 2407 $QuicktimeLanguageLookup[136] = 'Uighur'; 2408 $QuicktimeLanguageLookup[137] = 'Dzongkha'; 2409 $QuicktimeLanguageLookup[138] = 'JavaneseRom'; 2410 $QuicktimeLanguageLookup[32767] = 'Unspecified'; 2411 } 2412 if (($languageid > 138) && ($languageid < 32767)) { 2413 /* 2414 ISO Language Codes - http://www.loc.gov/standards/iso639-2/php/code_list.php 2415 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. 2416 The packing algorithm must map each of the three characters, which are always lowercase, into a 5-bit integer and then concatenate 2417 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. 2418 2419 One algorithm for performing this packing is to treat each ISO character as a 16-bit integer. Subtract 0x60 from the first character 2420 and multiply by 2^10 (0x400), subtract 0x60 from the second character and multiply by 2^5 (0x20), subtract 0x60 from the third character, 2421 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 2422 significant bits and the most significant bit set to zero. 2423 */ 2424 $iso_language_id = ''; 2425 $iso_language_id .= chr((($languageid & 0x7C00) >> 10) + 0x60); 2426 $iso_language_id .= chr((($languageid & 0x03E0) >> 5) + 0x60); 2427 $iso_language_id .= chr((($languageid & 0x001F) >> 0) + 0x60); 2428 $QuicktimeLanguageLookup[$languageid] = getid3_id3v2::LanguageLookup($iso_language_id); 2429 } 2430 return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid'); 2431 } 2432 2433 /** 2434 * @param string $codecid 2435 * 2436 * @return string 2437 */ 2438 public function QuicktimeVideoCodecLookup($codecid) { 2439 static $QuicktimeVideoCodecLookup = array(); 2440 if (empty($QuicktimeVideoCodecLookup)) { 2441 $QuicktimeVideoCodecLookup['.SGI'] = 'SGI'; 2442 $QuicktimeVideoCodecLookup['3IV1'] = '3ivx MPEG-4 v1'; 2443 $QuicktimeVideoCodecLookup['3IV2'] = '3ivx MPEG-4 v2'; 2444 $QuicktimeVideoCodecLookup['3IVX'] = '3ivx MPEG-4'; 2445 $QuicktimeVideoCodecLookup['8BPS'] = 'Planar RGB'; 2446 $QuicktimeVideoCodecLookup['avc1'] = 'H.264/MPEG-4 AVC'; 2447 $QuicktimeVideoCodecLookup['avr '] = 'AVR-JPEG'; 2448 $QuicktimeVideoCodecLookup['b16g'] = '16Gray'; 2449 $QuicktimeVideoCodecLookup['b32a'] = '32AlphaGray'; 2450 $QuicktimeVideoCodecLookup['b48r'] = '48RGB'; 2451 $QuicktimeVideoCodecLookup['b64a'] = '64ARGB'; 2452 $QuicktimeVideoCodecLookup['base'] = 'Base'; 2453 $QuicktimeVideoCodecLookup['clou'] = 'Cloud'; 2454 $QuicktimeVideoCodecLookup['cmyk'] = 'CMYK'; 2455 $QuicktimeVideoCodecLookup['cvid'] = 'Cinepak'; 2456 $QuicktimeVideoCodecLookup['dmb1'] = 'OpenDML JPEG'; 2457 $QuicktimeVideoCodecLookup['dvc '] = 'DVC-NTSC'; 2458 $QuicktimeVideoCodecLookup['dvcp'] = 'DVC-PAL'; 2459 $QuicktimeVideoCodecLookup['dvpn'] = 'DVCPro-NTSC'; 2460 $QuicktimeVideoCodecLookup['dvpp'] = 'DVCPro-PAL'; 2461 $QuicktimeVideoCodecLookup['fire'] = 'Fire'; 2462 $QuicktimeVideoCodecLookup['flic'] = 'FLC'; 2463 $QuicktimeVideoCodecLookup['gif '] = 'GIF'; 2464 $QuicktimeVideoCodecLookup['h261'] = 'H261'; 2465 $QuicktimeVideoCodecLookup['h263'] = 'H263'; 2466 $QuicktimeVideoCodecLookup['hvc1'] = 'H.265/HEVC'; 2467 $QuicktimeVideoCodecLookup['IV41'] = 'Indeo4'; 2468 $QuicktimeVideoCodecLookup['jpeg'] = 'JPEG'; 2469 $QuicktimeVideoCodecLookup['kpcd'] = 'PhotoCD'; 2470 $QuicktimeVideoCodecLookup['mjpa'] = 'Motion JPEG-A'; 2471 $QuicktimeVideoCodecLookup['mjpb'] = 'Motion JPEG-B'; 2472 $QuicktimeVideoCodecLookup['msvc'] = 'Microsoft Video1'; 2473 $QuicktimeVideoCodecLookup['myuv'] = 'MPEG YUV420'; 2474 $QuicktimeVideoCodecLookup['path'] = 'Vector'; 2475 $QuicktimeVideoCodecLookup['png '] = 'PNG'; 2476 $QuicktimeVideoCodecLookup['PNTG'] = 'MacPaint'; 2477 $QuicktimeVideoCodecLookup['qdgx'] = 'QuickDrawGX'; 2478 $QuicktimeVideoCodecLookup['qdrw'] = 'QuickDraw'; 2479 $QuicktimeVideoCodecLookup['raw '] = 'RAW'; 2480 $QuicktimeVideoCodecLookup['ripl'] = 'WaterRipple'; 2481 $QuicktimeVideoCodecLookup['rpza'] = 'Video'; 2482 $QuicktimeVideoCodecLookup['smc '] = 'Graphics'; 2483 $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 1'; 2484 $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 3'; 2485 $QuicktimeVideoCodecLookup['syv9'] = 'Sorenson YUV9'; 2486 $QuicktimeVideoCodecLookup['tga '] = 'Targa'; 2487 $QuicktimeVideoCodecLookup['tiff'] = 'TIFF'; 2488 $QuicktimeVideoCodecLookup['WRAW'] = 'Windows RAW'; 2489 $QuicktimeVideoCodecLookup['WRLE'] = 'BMP'; 2490 $QuicktimeVideoCodecLookup['y420'] = 'YUV420'; 2491 $QuicktimeVideoCodecLookup['yuv2'] = 'ComponentVideo'; 2492 $QuicktimeVideoCodecLookup['yuvs'] = 'ComponentVideoUnsigned'; 2493 $QuicktimeVideoCodecLookup['yuvu'] = 'ComponentVideoSigned'; 2494 } 2495 return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : ''); 2496 } 2497 2498 /** 2499 * @param string $codecid 2500 * 2501 * @return mixed|string 2502 */ 2503 public function QuicktimeAudioCodecLookup($codecid) { 2504 static $QuicktimeAudioCodecLookup = array(); 2505 if (empty($QuicktimeAudioCodecLookup)) { 2506 $QuicktimeAudioCodecLookup['.mp3'] = 'Fraunhofer MPEG Layer-III alias'; 2507 $QuicktimeAudioCodecLookup['aac '] = 'ISO/IEC 14496-3 AAC'; 2508 $QuicktimeAudioCodecLookup['agsm'] = 'Apple GSM 10:1'; 2509 $QuicktimeAudioCodecLookup['alac'] = 'Apple Lossless Audio Codec'; 2510 $QuicktimeAudioCodecLookup['alaw'] = 'A-law 2:1'; 2511 $QuicktimeAudioCodecLookup['conv'] = 'Sample Format'; 2512 $QuicktimeAudioCodecLookup['dvca'] = 'DV'; 2513 $QuicktimeAudioCodecLookup['dvi '] = 'DV 4:1'; 2514 $QuicktimeAudioCodecLookup['eqal'] = 'Frequency Equalizer'; 2515 $QuicktimeAudioCodecLookup['fl32'] = '32-bit Floating Point'; 2516 $QuicktimeAudioCodecLookup['fl64'] = '64-bit Floating Point'; 2517 $QuicktimeAudioCodecLookup['ima4'] = 'Interactive Multimedia Association 4:1'; 2518 $QuicktimeAudioCodecLookup['in24'] = '24-bit Integer'; 2519 $QuicktimeAudioCodecLookup['in32'] = '32-bit Integer'; 2520 $QuicktimeAudioCodecLookup['lpc '] = 'LPC 23:1'; 2521 $QuicktimeAudioCodecLookup['MAC3'] = 'Macintosh Audio Compression/Expansion (MACE) 3:1'; 2522 $QuicktimeAudioCodecLookup['MAC6'] = 'Macintosh Audio Compression/Expansion (MACE) 6:1'; 2523 $QuicktimeAudioCodecLookup['mixb'] = '8-bit Mixer'; 2524 $QuicktimeAudioCodecLookup['mixw'] = '16-bit Mixer'; 2525 $QuicktimeAudioCodecLookup['mp4a'] = 'ISO/IEC 14496-3 AAC'; 2526 $QuicktimeAudioCodecLookup['MS'."\x00\x02"] = 'Microsoft ADPCM'; 2527 $QuicktimeAudioCodecLookup['MS'."\x00\x11"] = 'DV IMA'; 2528 $QuicktimeAudioCodecLookup['MS'."\x00\x55"] = 'Fraunhofer MPEG Layer III'; 2529 $QuicktimeAudioCodecLookup['NONE'] = 'No Encoding'; 2530 $QuicktimeAudioCodecLookup['Qclp'] = 'Qualcomm PureVoice'; 2531 $QuicktimeAudioCodecLookup['QDM2'] = 'QDesign Music 2'; 2532 $QuicktimeAudioCodecLookup['QDMC'] = 'QDesign Music 1'; 2533 $QuicktimeAudioCodecLookup['ratb'] = '8-bit Rate'; 2534 $QuicktimeAudioCodecLookup['ratw'] = '16-bit Rate'; 2535 $QuicktimeAudioCodecLookup['raw '] = 'raw PCM'; 2536 $QuicktimeAudioCodecLookup['sour'] = 'Sound Source'; 2537 $QuicktimeAudioCodecLookup['sowt'] = 'signed/two\'s complement (Little Endian)'; 2538 $QuicktimeAudioCodecLookup['str1'] = 'Iomega MPEG layer II'; 2539 $QuicktimeAudioCodecLookup['str2'] = 'Iomega MPEG *layer II'; 2540 $QuicktimeAudioCodecLookup['str3'] = 'Iomega MPEG **layer II'; 2541 $QuicktimeAudioCodecLookup['str4'] = 'Iomega MPEG ***layer II'; 2542 $QuicktimeAudioCodecLookup['twos'] = 'signed/two\'s complement (Big Endian)'; 2543 $QuicktimeAudioCodecLookup['ulaw'] = 'mu-law 2:1'; 2544 } 2545 return (isset($QuicktimeAudioCodecLookup[$codecid]) ? $QuicktimeAudioCodecLookup[$codecid] : ''); 2546 } 2547 2548 /** 2549 * @param string $compressionid 2550 * 2551 * @return string 2552 */ 2553 public function QuicktimeDCOMLookup($compressionid) { 2554 static $QuicktimeDCOMLookup = array(); 2555 if (empty($QuicktimeDCOMLookup)) { 2556 $QuicktimeDCOMLookup['zlib'] = 'ZLib Deflate'; 2557 $QuicktimeDCOMLookup['adec'] = 'Apple Compression'; 2558 } 2559 return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : ''); 2560 } 2561 2562 /** 2563 * @param int $colordepthid 2564 * 2565 * @return string 2566 */ 2567 public function QuicktimeColorNameLookup($colordepthid) { 2568 static $QuicktimeColorNameLookup = array(); 2569 if (empty($QuicktimeColorNameLookup)) { 2570 $QuicktimeColorNameLookup[1] = '2-color (monochrome)'; 2571 $QuicktimeColorNameLookup[2] = '4-color'; 2572 $QuicktimeColorNameLookup[4] = '16-color'; 2573 $QuicktimeColorNameLookup[8] = '256-color'; 2574 $QuicktimeColorNameLookup[16] = 'thousands (16-bit color)'; 2575 $QuicktimeColorNameLookup[24] = 'millions (24-bit color)'; 2576 $QuicktimeColorNameLookup[32] = 'millions+ (32-bit color)'; 2577 $QuicktimeColorNameLookup[33] = 'black & white'; 2578 $QuicktimeColorNameLookup[34] = '4-gray'; 2579 $QuicktimeColorNameLookup[36] = '16-gray'; 2580 $QuicktimeColorNameLookup[40] = '256-gray'; 2581 } 2582 return (isset($QuicktimeColorNameLookup[$colordepthid]) ? $QuicktimeColorNameLookup[$colordepthid] : 'invalid'); 2583 } 2584 2585 /** 2586 * @param int $stik 2587 * 2588 * @return string 2589 */ 2590 public function QuicktimeSTIKLookup($stik) { 2591 static $QuicktimeSTIKLookup = array(); 2592 if (empty($QuicktimeSTIKLookup)) { 2593 $QuicktimeSTIKLookup[0] = 'Movie'; 2594 $QuicktimeSTIKLookup[1] = 'Normal'; 2595 $QuicktimeSTIKLookup[2] = 'Audiobook'; 2596 $QuicktimeSTIKLookup[5] = 'Whacked Bookmark'; 2597 $QuicktimeSTIKLookup[6] = 'Music Video'; 2598 $QuicktimeSTIKLookup[9] = 'Short Film'; 2599 $QuicktimeSTIKLookup[10] = 'TV Show'; 2600 $QuicktimeSTIKLookup[11] = 'Booklet'; 2601 $QuicktimeSTIKLookup[14] = 'Ringtone'; 2602 $QuicktimeSTIKLookup[21] = 'Podcast'; 2603 } 2604 return (isset($QuicktimeSTIKLookup[$stik]) ? $QuicktimeSTIKLookup[$stik] : 'invalid'); 2605 } 2606 2607 /** 2608 * @param int $audio_profile_id 2609 * 2610 * @return string 2611 */ 2612 public function QuicktimeIODSaudioProfileName($audio_profile_id) { 2613 static $QuicktimeIODSaudioProfileNameLookup = array(); 2614 if (empty($QuicktimeIODSaudioProfileNameLookup)) { 2615 $QuicktimeIODSaudioProfileNameLookup = array( 2616 0x00 => 'ISO Reserved (0x00)', 2617 0x01 => 'Main Audio Profile @ Level 1', 2618 0x02 => 'Main Audio Profile @ Level 2', 2619 0x03 => 'Main Audio Profile @ Level 3', 2620 0x04 => 'Main Audio Profile @ Level 4', 2621 0x05 => 'Scalable Audio Profile @ Level 1', 2622 0x06 => 'Scalable Audio Profile @ Level 2', 2623 0x07 => 'Scalable Audio Profile @ Level 3', 2624 0x08 => 'Scalable Audio Profile @ Level 4', 2625 0x09 => 'Speech Audio Profile @ Level 1', 2626 0x0A => 'Speech Audio Profile @ Level 2', 2627 0x0B => 'Synthetic Audio Profile @ Level 1', 2628 0x0C => 'Synthetic Audio Profile @ Level 2', 2629 0x0D => 'Synthetic Audio Profile @ Level 3', 2630 0x0E => 'High Quality Audio Profile @ Level 1', 2631 0x0F => 'High Quality Audio Profile @ Level 2', 2632 0x10 => 'High Quality Audio Profile @ Level 3', 2633 0x11 => 'High Quality Audio Profile @ Level 4', 2634 0x12 => 'High Quality Audio Profile @ Level 5', 2635 0x13 => 'High Quality Audio Profile @ Level 6', 2636 0x14 => 'High Quality Audio Profile @ Level 7', 2637 0x15 => 'High Quality Audio Profile @ Level 8', 2638 0x16 => 'Low Delay Audio Profile @ Level 1', 2639 0x17 => 'Low Delay Audio Profile @ Level 2', 2640 0x18 => 'Low Delay Audio Profile @ Level 3', 2641 0x19 => 'Low Delay Audio Profile @ Level 4', 2642 0x1A => 'Low Delay Audio Profile @ Level 5', 2643 0x1B => 'Low Delay Audio Profile @ Level 6', 2644 0x1C => 'Low Delay Audio Profile @ Level 7', 2645 0x1D => 'Low Delay Audio Profile @ Level 8', 2646 0x1E => 'Natural Audio Profile @ Level 1', 2647 0x1F => 'Natural Audio Profile @ Level 2', 2648 0x20 => 'Natural Audio Profile @ Level 3', 2649 0x21 => 'Natural Audio Profile @ Level 4', 2650 0x22 => 'Mobile Audio Internetworking Profile @ Level 1', 2651 0x23 => 'Mobile Audio Internetworking Profile @ Level 2', 2652 0x24 => 'Mobile Audio Internetworking Profile @ Level 3', 2653 0x25 => 'Mobile Audio Internetworking Profile @ Level 4', 2654 0x26 => 'Mobile Audio Internetworking Profile @ Level 5', 2655 0x27 => 'Mobile Audio Internetworking Profile @ Level 6', 2656 0x28 => 'AAC Profile @ Level 1', 2657 0x29 => 'AAC Profile @ Level 2', 2658 0x2A => 'AAC Profile @ Level 4', 2659 0x2B => 'AAC Profile @ Level 5', 2660 0x2C => 'High Efficiency AAC Profile @ Level 2', 2661 0x2D => 'High Efficiency AAC Profile @ Level 3', 2662 0x2E => 'High Efficiency AAC Profile @ Level 4', 2663 0x2F => 'High Efficiency AAC Profile @ Level 5', 2664 0xFE => 'Not part of MPEG-4 audio profiles', 2665 0xFF => 'No audio capability required', 2666 ); 2667 } 2668 return (isset($QuicktimeIODSaudioProfileNameLookup[$audio_profile_id]) ? $QuicktimeIODSaudioProfileNameLookup[$audio_profile_id] : 'ISO Reserved / User Private'); 2669 } 2670 2671 /** 2672 * @param int $video_profile_id 2673 * 2674 * @return string 2675 */ 2676 public function QuicktimeIODSvideoProfileName($video_profile_id) { 2677 static $QuicktimeIODSvideoProfileNameLookup = array(); 2678 if (empty($QuicktimeIODSvideoProfileNameLookup)) { 2679 $QuicktimeIODSvideoProfileNameLookup = array( 2680 0x00 => 'Reserved (0x00) Profile', 2681 0x01 => 'Simple Profile @ Level 1', 2682 0x02 => 'Simple Profile @ Level 2', 2683 0x03 => 'Simple Profile @ Level 3', 2684 0x08 => 'Simple Profile @ Level 0', 2685 0x10 => 'Simple Scalable Profile @ Level 0', 2686 0x11 => 'Simple Scalable Profile @ Level 1', 2687 0x12 => 'Simple Scalable Profile @ Level 2', 2688 0x15 => 'AVC/H264 Profile', 2689 0x21 => 'Core Profile @ Level 1', 2690 0x22 => 'Core Profile @ Level 2', 2691 0x32 => 'Main Profile @ Level 2', 2692 0x33 => 'Main Profile @ Level 3', 2693 0x34 => 'Main Profile @ Level 4', 2694 0x42 => 'N-bit Profile @ Level 2', 2695 0x51 => 'Scalable Texture Profile @ Level 1', 2696 0x61 => 'Simple Face Animation Profile @ Level 1', 2697 0x62 => 'Simple Face Animation Profile @ Level 2', 2698 0x63 => 'Simple FBA Profile @ Level 1', 2699 0x64 => 'Simple FBA Profile @ Level 2', 2700 0x71 => 'Basic Animated Texture Profile @ Level 1', 2701 0x72 => 'Basic Animated Texture Profile @ Level 2', 2702 0x81 => 'Hybrid Profile @ Level 1', 2703 0x82 => 'Hybrid Profile @ Level 2', 2704 0x91 => 'Advanced Real Time Simple Profile @ Level 1', 2705 0x92 => 'Advanced Real Time Simple Profile @ Level 2', 2706 0x93 => 'Advanced Real Time Simple Profile @ Level 3', 2707 0x94 => 'Advanced Real Time Simple Profile @ Level 4', 2708 0xA1 => 'Core Scalable Profile @ Level1', 2709 0xA2 => 'Core Scalable Profile @ Level2', 2710 0xA3 => 'Core Scalable Profile @ Level3', 2711 0xB1 => 'Advanced Coding Efficiency Profile @ Level 1', 2712 0xB2 => 'Advanced Coding Efficiency Profile @ Level 2', 2713 0xB3 => 'Advanced Coding Efficiency Profile @ Level 3', 2714 0xB4 => 'Advanced Coding Efficiency Profile @ Level 4', 2715 0xC1 => 'Advanced Core Profile @ Level 1', 2716 0xC2 => 'Advanced Core Profile @ Level 2', 2717 0xD1 => 'Advanced Scalable Texture @ Level1', 2718 0xD2 => 'Advanced Scalable Texture @ Level2', 2719 0xE1 => 'Simple Studio Profile @ Level 1', 2720 0xE2 => 'Simple Studio Profile @ Level 2', 2721 0xE3 => 'Simple Studio Profile @ Level 3', 2722 0xE4 => 'Simple Studio Profile @ Level 4', 2723 0xE5 => 'Core Studio Profile @ Level 1', 2724 0xE6 => 'Core Studio Profile @ Level 2', 2725 0xE7 => 'Core Studio Profile @ Level 3', 2726 0xE8 => 'Core Studio Profile @ Level 4', 2727 0xF0 => 'Advanced Simple Profile @ Level 0', 2728 0xF1 => 'Advanced Simple Profile @ Level 1', 2729 0xF2 => 'Advanced Simple Profile @ Level 2', 2730 0xF3 => 'Advanced Simple Profile @ Level 3', 2731 0xF4 => 'Advanced Simple Profile @ Level 4', 2732 0xF5 => 'Advanced Simple Profile @ Level 5', 2733 0xF7 => 'Advanced Simple Profile @ Level 3b', 2734 0xF8 => 'Fine Granularity Scalable Profile @ Level 0', 2735 0xF9 => 'Fine Granularity Scalable Profile @ Level 1', 2736 0xFA => 'Fine Granularity Scalable Profile @ Level 2', 2737 0xFB => 'Fine Granularity Scalable Profile @ Level 3', 2738 0xFC => 'Fine Granularity Scalable Profile @ Level 4', 2739 0xFD => 'Fine Granularity Scalable Profile @ Level 5', 2740 0xFE => 'Not part of MPEG-4 Visual profiles', 2741 0xFF => 'No visual capability required', 2742 ); 2743 } 2744 return (isset($QuicktimeIODSvideoProfileNameLookup[$video_profile_id]) ? $QuicktimeIODSvideoProfileNameLookup[$video_profile_id] : 'ISO Reserved Profile'); 2745 } 2746 2747 /** 2748 * @param int $rtng 2749 * 2750 * @return string 2751 */ 2752 public function QuicktimeContentRatingLookup($rtng) { 2753 static $QuicktimeContentRatingLookup = array(); 2754 if (empty($QuicktimeContentRatingLookup)) { 2755 $QuicktimeContentRatingLookup[0] = 'None'; 2756 $QuicktimeContentRatingLookup[1] = 'Explicit'; 2757 $QuicktimeContentRatingLookup[2] = 'Clean'; 2758 $QuicktimeContentRatingLookup[4] = 'Explicit (old)'; 2759 } 2760 return (isset($QuicktimeContentRatingLookup[$rtng]) ? $QuicktimeContentRatingLookup[$rtng] : 'invalid'); 2761 } 2762 2763 /** 2764 * @param int $akid 2765 * 2766 * @return string 2767 */ 2768 public function QuicktimeStoreAccountTypeLookup($akid) { 2769 static $QuicktimeStoreAccountTypeLookup = array(); 2770 if (empty($QuicktimeStoreAccountTypeLookup)) { 2771 $QuicktimeStoreAccountTypeLookup[0] = 'iTunes'; 2772 $QuicktimeStoreAccountTypeLookup[1] = 'AOL'; 2773 } 2774 return (isset($QuicktimeStoreAccountTypeLookup[$akid]) ? $QuicktimeStoreAccountTypeLookup[$akid] : 'invalid'); 2775 } 2776 2777 /** 2778 * @param int $sfid 2779 * 2780 * @return string 2781 */ 2782 public function QuicktimeStoreFrontCodeLookup($sfid) { 2783 static $QuicktimeStoreFrontCodeLookup = array(); 2784 if (empty($QuicktimeStoreFrontCodeLookup)) { 2785 $QuicktimeStoreFrontCodeLookup[143460] = 'Australia'; 2786 $QuicktimeStoreFrontCodeLookup[143445] = 'Austria'; 2787 $QuicktimeStoreFrontCodeLookup[143446] = 'Belgium'; 2788 $QuicktimeStoreFrontCodeLookup[143455] = 'Canada'; 2789 $QuicktimeStoreFrontCodeLookup[143458] = 'Denmark'; 2790 $QuicktimeStoreFrontCodeLookup[143447] = 'Finland'; 2791 $QuicktimeStoreFrontCodeLookup[143442] = 'France'; 2792 $QuicktimeStoreFrontCodeLookup[143443] = 'Germany'; 2793 $QuicktimeStoreFrontCodeLookup[143448] = 'Greece'; 2794 $QuicktimeStoreFrontCodeLookup[143449] = 'Ireland'; 2795 $QuicktimeStoreFrontCodeLookup[143450] = 'Italy'; 2796 $QuicktimeStoreFrontCodeLookup[143462] = 'Japan'; 2797 $QuicktimeStoreFrontCodeLookup[143451] = 'Luxembourg'; 2798 $QuicktimeStoreFrontCodeLookup[143452] = 'Netherlands'; 2799 $QuicktimeStoreFrontCodeLookup[143461] = 'New Zealand'; 2800 $QuicktimeStoreFrontCodeLookup[143457] = 'Norway'; 2801 $QuicktimeStoreFrontCodeLookup[143453] = 'Portugal'; 2802 $QuicktimeStoreFrontCodeLookup[143454] = 'Spain'; 2803 $QuicktimeStoreFrontCodeLookup[143456] = 'Sweden'; 2804 $QuicktimeStoreFrontCodeLookup[143459] = 'Switzerland'; 2805 $QuicktimeStoreFrontCodeLookup[143444] = 'United Kingdom'; 2806 $QuicktimeStoreFrontCodeLookup[143441] = 'United States'; 2807 } 2808 return (isset($QuicktimeStoreFrontCodeLookup[$sfid]) ? $QuicktimeStoreFrontCodeLookup[$sfid] : 'invalid'); 2809 } 2810 2811 /** 2812 * @param string $keyname 2813 * @param string|array $data 2814 * @param string $boxname 2815 * 2816 * @return bool 2817 */ 2818 public function CopyToAppropriateCommentsSection($keyname, $data, $boxname='') { 2819 static $handyatomtranslatorarray = array(); 2820 if (empty($handyatomtranslatorarray)) { 2821 // http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt 2822 // http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt 2823 // http://atomicparsley.sourceforge.net/mpeg-4files.html 2824 // https://code.google.com/p/mp4v2/wiki/iTunesMetadata 2825 $handyatomtranslatorarray["\xA9".'alb'] = 'album'; // iTunes 4.0 2826 $handyatomtranslatorarray["\xA9".'ART'] = 'artist'; 2827 $handyatomtranslatorarray["\xA9".'art'] = 'artist'; // iTunes 4.0 2828 $handyatomtranslatorarray["\xA9".'aut'] = 'author'; 2829 $handyatomtranslatorarray["\xA9".'cmt'] = 'comment'; // iTunes 4.0 2830 $handyatomtranslatorarray["\xA9".'com'] = 'comment'; 2831 $handyatomtranslatorarray["\xA9".'cpy'] = 'copyright'; 2832 $handyatomtranslatorarray["\xA9".'day'] = 'creation_date'; // iTunes 4.0 2833 $handyatomtranslatorarray["\xA9".'dir'] = 'director'; 2834 $handyatomtranslatorarray["\xA9".'ed1'] = 'edit1'; 2835 $handyatomtranslatorarray["\xA9".'ed2'] = 'edit2'; 2836 $handyatomtranslatorarray["\xA9".'ed3'] = 'edit3'; 2837 $handyatomtranslatorarray["\xA9".'ed4'] = 'edit4'; 2838 $handyatomtranslatorarray["\xA9".'ed5'] = 'edit5'; 2839 $handyatomtranslatorarray["\xA9".'ed6'] = 'edit6'; 2840 $handyatomtranslatorarray["\xA9".'ed7'] = 'edit7'; 2841 $handyatomtranslatorarray["\xA9".'ed8'] = 'edit8'; 2842 $handyatomtranslatorarray["\xA9".'ed9'] = 'edit9'; 2843 $handyatomtranslatorarray["\xA9".'enc'] = 'encoded_by'; 2844 $handyatomtranslatorarray["\xA9".'fmt'] = 'format'; 2845 $handyatomtranslatorarray["\xA9".'gen'] = 'genre'; // iTunes 4.0 2846 $handyatomtranslatorarray["\xA9".'grp'] = 'grouping'; // iTunes 4.2 2847 $handyatomtranslatorarray["\xA9".'hst'] = 'host_computer'; 2848 $handyatomtranslatorarray["\xA9".'inf'] = 'information'; 2849 $handyatomtranslatorarray["\xA9".'lyr'] = 'lyrics'; // iTunes 5.0 2850 $handyatomtranslatorarray["\xA9".'mak'] = 'make'; 2851 $handyatomtranslatorarray["\xA9".'mod'] = 'model'; 2852 $handyatomtranslatorarray["\xA9".'nam'] = 'title'; // iTunes 4.0 2853 $handyatomtranslatorarray["\xA9".'ope'] = 'composer'; 2854 $handyatomtranslatorarray["\xA9".'prd'] = 'producer'; 2855 $handyatomtranslatorarray["\xA9".'PRD'] = 'product'; 2856 $handyatomtranslatorarray["\xA9".'prf'] = 'performers'; 2857 $handyatomtranslatorarray["\xA9".'req'] = 'system_requirements'; 2858 $handyatomtranslatorarray["\xA9".'src'] = 'source_credit'; 2859 $handyatomtranslatorarray["\xA9".'swr'] = 'software'; 2860 $handyatomtranslatorarray["\xA9".'too'] = 'encoding_tool'; // iTunes 4.0 2861 $handyatomtranslatorarray["\xA9".'trk'] = 'track_number'; 2862 $handyatomtranslatorarray["\xA9".'url'] = 'url'; 2863 $handyatomtranslatorarray["\xA9".'wrn'] = 'warning'; 2864 $handyatomtranslatorarray["\xA9".'wrt'] = 'composer'; 2865 $handyatomtranslatorarray['aART'] = 'album_artist'; 2866 $handyatomtranslatorarray['apID'] = 'purchase_account'; 2867 $handyatomtranslatorarray['catg'] = 'category'; // iTunes 4.9 2868 $handyatomtranslatorarray['covr'] = 'picture'; // iTunes 4.0 2869 $handyatomtranslatorarray['cpil'] = 'compilation'; // iTunes 4.0 2870 $handyatomtranslatorarray['cprt'] = 'copyright'; // iTunes 4.0? 2871 $handyatomtranslatorarray['desc'] = 'description'; // iTunes 5.0 2872 $handyatomtranslatorarray['disk'] = 'disc_number'; // iTunes 4.0 2873 $handyatomtranslatorarray['egid'] = 'episode_guid'; // iTunes 4.9 2874 $handyatomtranslatorarray['gnre'] = 'genre'; // iTunes 4.0 2875 $handyatomtranslatorarray['hdvd'] = 'hd_video'; // iTunes 4.0 2876 $handyatomtranslatorarray['ldes'] = 'description_long'; // 2877 $handyatomtranslatorarray['keyw'] = 'keyword'; // iTunes 4.9 2878 $handyatomtranslatorarray['pcst'] = 'podcast'; // iTunes 4.9 2879 $handyatomtranslatorarray['pgap'] = 'gapless_playback'; // iTunes 7.0 2880 $handyatomtranslatorarray['purd'] = 'purchase_date'; // iTunes 6.0.2 2881 $handyatomtranslatorarray['purl'] = 'podcast_url'; // iTunes 4.9 2882 $handyatomtranslatorarray['rtng'] = 'rating'; // iTunes 4.0 2883 $handyatomtranslatorarray['soaa'] = 'sort_album_artist'; // 2884 $handyatomtranslatorarray['soal'] = 'sort_album'; // 2885 $handyatomtranslatorarray['soar'] = 'sort_artist'; // 2886 $handyatomtranslatorarray['soco'] = 'sort_composer'; // 2887 $handyatomtranslatorarray['sonm'] = 'sort_title'; // 2888 $handyatomtranslatorarray['sosn'] = 'sort_show'; // 2889 $handyatomtranslatorarray['stik'] = 'stik'; // iTunes 4.9 2890 $handyatomtranslatorarray['tmpo'] = 'bpm'; // iTunes 4.0 2891 $handyatomtranslatorarray['trkn'] = 'track_number'; // iTunes 4.0 2892 $handyatomtranslatorarray['tven'] = 'tv_episode_id'; // 2893 $handyatomtranslatorarray['tves'] = 'tv_episode'; // iTunes 6.0 2894 $handyatomtranslatorarray['tvnn'] = 'tv_network_name'; // iTunes 6.0 2895 $handyatomtranslatorarray['tvsh'] = 'tv_show_name'; // iTunes 6.0 2896 $handyatomtranslatorarray['tvsn'] = 'tv_season'; // iTunes 6.0 2897 2898 // boxnames: 2899 /* 2900 $handyatomtranslatorarray['iTunSMPB'] = 'iTunSMPB'; 2901 $handyatomtranslatorarray['iTunNORM'] = 'iTunNORM'; 2902 $handyatomtranslatorarray['Encoding Params'] = 'Encoding Params'; 2903 $handyatomtranslatorarray['replaygain_track_gain'] = 'replaygain_track_gain'; 2904 $handyatomtranslatorarray['replaygain_track_peak'] = 'replaygain_track_peak'; 2905 $handyatomtranslatorarray['replaygain_track_minmax'] = 'replaygain_track_minmax'; 2906 $handyatomtranslatorarray['MusicIP PUID'] = 'MusicIP PUID'; 2907 $handyatomtranslatorarray['MusicBrainz Artist Id'] = 'MusicBrainz Artist Id'; 2908 $handyatomtranslatorarray['MusicBrainz Album Id'] = 'MusicBrainz Album Id'; 2909 $handyatomtranslatorarray['MusicBrainz Album Artist Id'] = 'MusicBrainz Album Artist Id'; 2910 $handyatomtranslatorarray['MusicBrainz Track Id'] = 'MusicBrainz Track Id'; 2911 $handyatomtranslatorarray['MusicBrainz Disc Id'] = 'MusicBrainz Disc Id'; 2912 2913 // http://age.hobba.nl/audio/tag_frame_reference.html 2914 $handyatomtranslatorarray['PLAY_COUNTER'] = 'play_counter'; // Foobar2000 - https://www.getid3.org/phpBB3/viewtopic.php?t=1355 2915 $handyatomtranslatorarray['MEDIATYPE'] = 'mediatype'; // Foobar2000 - https://www.getid3.org/phpBB3/viewtopic.php?t=1355 2916 */ 2917 } 2918 $info = &$this->getid3->info; 2919 $comment_key = ''; 2920 if ($boxname && ($boxname != $keyname)) { 2921 $comment_key = (isset($handyatomtranslatorarray[$boxname]) ? $handyatomtranslatorarray[$boxname] : $boxname); 2922 } elseif (isset($handyatomtranslatorarray[$keyname])) { 2923 $comment_key = $handyatomtranslatorarray[$keyname]; 2924 } 2925 if ($comment_key) { 2926 if ($comment_key == 'picture') { 2927 // already copied directly into [comments][picture] elsewhere, do not re-copy here 2928 return true; 2929 } 2930 $gooddata = array($data); 2931 if ($comment_key == 'genre') { 2932 // some other taggers separate multiple genres with semicolon, e.g. "Heavy Metal;Thrash Metal;Metal" 2933 $gooddata = explode(';', $data); 2934 } 2935 foreach ($gooddata as $data) { 2936 if (!empty($info['quicktime']['comments'][$comment_key]) && in_array($data, $info['quicktime']['comments'][$comment_key], true)) { 2937 // avoid duplicate copies of identical data 2938 continue; 2939 } 2940 $info['quicktime']['comments'][$comment_key][] = $data; 2941 } 2942 } 2943 return true; 2944 } 2945 2946 /** 2947 * @param string $lstring 2948 * @param int $count 2949 * 2950 * @return string 2951 */ 2952 public function LociString($lstring, &$count) { 2953 // Loci strings are UTF-8 or UTF-16 and null (x00/x0000) terminated. UTF-16 has a BOM 2954 // Also need to return the number of bytes the string occupied so additional fields can be extracted 2955 $len = strlen($lstring); 2956 if ($len == 0) { 2957 $count = 0; 2958 return ''; 2959 } 2960 if ($lstring[0] == "\x00") { 2961 $count = 1; 2962 return ''; 2963 } 2964 // check for BOM 2965 if (($len > 2) && ((($lstring[0] == "\xFE") && ($lstring[1] == "\xFF")) || (($lstring[0] == "\xFF") && ($lstring[1] == "\xFE")))) { 2966 // UTF-16 2967 if (preg_match('/(.*)\x00/', $lstring, $lmatches)) { 2968 $count = strlen($lmatches[1]) * 2 + 2; //account for 2 byte characters and trailing \x0000 2969 return getid3_lib::iconv_fallback_utf16_utf8($lmatches[1]); 2970 } else { 2971 return ''; 2972 } 2973 } 2974 // UTF-8 2975 if (preg_match('/(.*)\x00/', $lstring, $lmatches)) { 2976 $count = strlen($lmatches[1]) + 1; //account for trailing \x00 2977 return $lmatches[1]; 2978 } 2979 return ''; 2980 } 2981 2982 /** 2983 * @param string $nullterminatedstring 2984 * 2985 * @return string 2986 */ 2987 public function NoNullString($nullterminatedstring) { 2988 // remove the single null terminator on null terminated strings 2989 if (substr($nullterminatedstring, strlen($nullterminatedstring) - 1, 1) === "\x00") { 2990 return substr($nullterminatedstring, 0, strlen($nullterminatedstring) - 1); 2991 } 2992 return $nullterminatedstring; 2993 } 2994 2995 /** 2996 * @param string $pascalstring 2997 * 2998 * @return string 2999 */ 3000 public function Pascal2String($pascalstring) { 3001 // Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string 3002 return substr($pascalstring, 1); 3003 } 3004 3005 /** 3006 * @param string $pascalstring 3007 * 3008 * @return string 3009 */ 3010 public function MaybePascal2String($pascalstring) { 3011 // Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string 3012 // Check if string actually is in this format or written incorrectly, straight string, or null-terminated string 3013 if (ord(substr($pascalstring, 0, 1)) == (strlen($pascalstring) - 1)) { 3014 return substr($pascalstring, 1); 3015 } elseif (substr($pascalstring, -1, 1) == "\x00") { 3016 // appears to be null-terminated instead of Pascal-style 3017 return substr($pascalstring, 0, -1); 3018 } 3019 return $pascalstring; 3020 } 3021 3022 3023 /** 3024 * Helper functions for m4b audiobook chapters 3025 * code by Steffen Hartmann 2015-Nov-08. 3026 * 3027 * @param array $info 3028 * @param string $tag 3029 * @param string $history 3030 * @param array $result 3031 */ 3032 public function search_tag_by_key($info, $tag, $history, &$result) { 3033 foreach ($info as $key => $value) { 3034 $key_history = $history.'/'.$key; 3035 if ($key === $tag) { 3036 $result[] = array($key_history, $info); 3037 } else { 3038 if (is_array($value)) { 3039 $this->search_tag_by_key($value, $tag, $key_history, $result); 3040 } 3041 } 3042 } 3043 } 3044 3045 /** 3046 * @param array $info 3047 * @param string $k 3048 * @param string $v 3049 * @param string $history 3050 * @param array $result 3051 */ 3052 public function search_tag_by_pair($info, $k, $v, $history, &$result) { 3053 foreach ($info as $key => $value) { 3054 $key_history = $history.'/'.$key; 3055 if (($key === $k) && ($value === $v)) { 3056 $result[] = array($key_history, $info); 3057 } else { 3058 if (is_array($value)) { 3059 $this->search_tag_by_pair($value, $k, $v, $key_history, $result); 3060 } 3061 } 3062 } 3063 } 3064 3065 /** 3066 * @param array $info 3067 * 3068 * @return array 3069 */ 3070 public function quicktime_time_to_sample_table($info) { 3071 $res = array(); 3072 $this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res); 3073 foreach ($res as $value) { 3074 $stbl_res = array(); 3075 $this->search_tag_by_pair($value[1], 'data_format', 'text', $value[0], $stbl_res); 3076 if (count($stbl_res) > 0) { 3077 $stts_res = array(); 3078 $this->search_tag_by_key($value[1], 'time_to_sample_table', $value[0], $stts_res); 3079 if (count($stts_res) > 0) { 3080 return $stts_res[0][1]['time_to_sample_table']; 3081 } 3082 } 3083 } 3084 return array(); 3085 } 3086 3087 3088 /** 3089 * @param array $info 3090 * 3091 * @return int 3092 */ 3093 public function quicktime_bookmark_time_scale($info) { 3094 $time_scale = ''; 3095 $ts_prefix_len = 0; 3096 $res = array(); 3097 $this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res); 3098 foreach ($res as $value) { 3099 $stbl_res = array(); 3100 $this->search_tag_by_pair($value[1], 'data_format', 'text', $value[0], $stbl_res); 3101 if (count($stbl_res) > 0) { 3102 $ts_res = array(); 3103 $this->search_tag_by_key($info['quicktime']['moov'], 'time_scale', 'quicktime/moov', $ts_res); 3104 foreach ($ts_res as $sub_value) { 3105 $prefix = substr($sub_value[0], 0, -12); 3106 if ((substr($stbl_res[0][0], 0, strlen($prefix)) === $prefix) && ($ts_prefix_len < strlen($prefix))) { 3107 $time_scale = $sub_value[1]['time_scale']; 3108 $ts_prefix_len = strlen($prefix); 3109 } 3110 } 3111 } 3112 } 3113 return $time_scale; 3114 } 3115 /* 3116 // END helper functions for m4b audiobook chapters 3117 */ 3118 3119 3120 }
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| Generated : Thu Oct 30 08:20:06 2025 | Cross-referenced by PHPXref |