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Code source de LifeType 1.2.4 |
1 <?php 2 ///////////////////////////////////////////////////////////////// 3 /// getID3() by James Heinrich <info@getid3.org> // 4 // available at http://getid3.sourceforge.net // 5 // or http://www.getid3.org // 6 ///////////////////////////////////////////////////////////////// 7 // See readme.txt for more details // 8 ///////////////////////////////////////////////////////////////// 9 // // 10 // module.audio-video.quicktime.php // 11 // module for analyzing Quicktime and MP3-in-MP4 files // 12 // dependencies: module.audio.mp3.php // 13 // /// 14 ///////////////////////////////////////////////////////////////// 15 16 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true); 17 18 class getid3_quicktime 19 { 20 21 function getid3_quicktime(&$fd, &$ThisFileInfo, $ReturnAtomData=true, $ParseAllPossibleAtoms=false) { 22 23 $ThisFileInfo['fileformat'] = 'quicktime'; 24 $ThisFileInfo['quicktime']['hinting'] = false; 25 26 fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET); 27 28 $offset = 0; 29 $atomcounter = 0; 30 31 while ($offset < $ThisFileInfo['avdataend']) { 32 fseek($fd, $offset, SEEK_SET); 33 $AtomHeader = fread($fd, 8); 34 35 $atomsize = getid3_lib::BigEndian2Int(substr($AtomHeader, 0, 4)); 36 $atomname = substr($AtomHeader, 4, 4); 37 $ThisFileInfo['quicktime'][$atomname]['name'] = $atomname; 38 $ThisFileInfo['quicktime'][$atomname]['size'] = $atomsize; 39 $ThisFileInfo['quicktime'][$atomname]['offset'] = $offset; 40 41 if (($offset + $atomsize) > $ThisFileInfo['avdataend']) { 42 $ThisFileInfo['error'][] = 'Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atomsize.' bytes)'; 43 return false; 44 } 45 46 if ($atomsize == 0) { 47 // Furthermore, for historical reasons the list of atoms is optionally 48 // terminated by a 32-bit integer set to 0. If you are writing a program 49 // to read user data atoms, you should allow for the terminating 0. 50 break; 51 } 52 switch ($atomname) { 53 case 'mdat': // Media DATa atom 54 // 'mdat' contains the actual data for the audio/video 55 if (($atomsize > 8) && (!isset($ThisFileInfo['avdataend_tmp']) || ($ThisFileInfo['quicktime'][$atomname]['size'] > ($ThisFileInfo['avdataend_tmp'] - $ThisFileInfo['avdataoffset'])))) { 56 57 $ThisFileInfo['avdataoffset'] = $ThisFileInfo['quicktime'][$atomname]['offset'] + 8; 58 $OldAVDataEnd = $ThisFileInfo['avdataend']; 59 $ThisFileInfo['avdataend'] = $ThisFileInfo['quicktime'][$atomname]['offset'] + $ThisFileInfo['quicktime'][$atomname]['size']; 60 61 if (getid3_mp3::MPEGaudioHeaderValid(getid3_mp3::MPEGaudioHeaderDecode(fread($fd, 4)))) { 62 getid3_mp3::getOnlyMPEGaudioInfo($fd, $ThisFileInfo, $ThisFileInfo['avdataoffset'], false); 63 if (isset($ThisFileInfo['mpeg']['audio'])) { 64 $ThisFileInfo['audio']['dataformat'] = 'mp3'; 65 $ThisFileInfo['audio']['codec'] = (!empty($ThisFileInfo['mpeg']['audio']['encoder']) ? $ThisFileInfo['mpeg']['audio']['encoder'] : (!empty($ThisFileInfo['mpeg']['audio']['codec']) ? $ThisFileInfo['mpeg']['audio']['codec'] : (!empty($ThisFileInfo['mpeg']['audio']['LAME']) ? 'LAME' :'mp3'))); 66 $ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['mpeg']['audio']['sample_rate']; 67 $ThisFileInfo['audio']['channels'] = $ThisFileInfo['mpeg']['audio']['channels']; 68 $ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['mpeg']['audio']['bitrate']; 69 $ThisFileInfo['audio']['bitrate_mode'] = strtolower($ThisFileInfo['mpeg']['audio']['bitrate_mode']); 70 $ThisFileInfo['bitrate'] = $ThisFileInfo['audio']['bitrate']; 71 } 72 } 73 $ThisFileInfo['avdataend'] = $OldAVDataEnd; 74 unset($OldAVDataEnd); 75 76 } 77 break; 78 79 case 'free': // FREE space atom 80 case 'skip': // SKIP atom 81 case 'wide': // 64-bit expansion placeholder atom 82 // 'free', 'skip' and 'wide' are just padding, contains no useful data at all 83 break; 84 85 default: 86 $atomHierarchy = array(); 87 $ThisFileInfo['quicktime'][$atomname] = $this->QuicktimeParseAtom($atomname, $atomsize, fread($fd, $atomsize), $ThisFileInfo, $offset, $atomHierarchy, $ParseAllPossibleAtoms); 88 break; 89 } 90 91 $offset += $atomsize; 92 $atomcounter++; 93 } 94 95 if (!empty($ThisFileInfo['avdataend_tmp'])) { 96 // this value is assigned to a temp value and then erased because 97 // otherwise any atoms beyond the 'mdat' atom would not get parsed 98 $ThisFileInfo['avdataend'] = $ThisFileInfo['avdataend_tmp']; 99 unset($ThisFileInfo['avdataend_tmp']); 100 } 101 102 if (!isset($ThisFileInfo['bitrate']) && isset($ThisFileInfo['playtime_seconds'])) { 103 $ThisFileInfo['bitrate'] = (($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) * 8) / $ThisFileInfo['playtime_seconds']; 104 } 105 if (isset($ThisFileInfo['bitrate']) && !isset($ThisFileInfo['audio']['bitrate']) && !isset($ThisFileInfo['quicktime']['video'])) { 106 $ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['bitrate']; 107 } 108 109 if (($ThisFileInfo['audio']['dataformat'] == 'mp4') && empty($ThisFileInfo['video']['resolution_x'])) { 110 $ThisFileInfo['fileformat'] = 'mp4'; 111 $ThisFileInfo['mime_type'] = 'audio/mp4'; 112 unset($ThisFileInfo['video']['dataformat']); 113 } 114 115 if (!$ReturnAtomData) { 116 unset($ThisFileInfo['quicktime']['moov']); 117 } 118 119 if (empty($ThisFileInfo['audio']['dataformat']) && !empty($ThisFileInfo['quicktime']['audio'])) { 120 $ThisFileInfo['audio']['dataformat'] = 'quicktime'; 121 } 122 if (empty($ThisFileInfo['video']['dataformat']) && !empty($ThisFileInfo['quicktime']['video'])) { 123 $ThisFileInfo['video']['dataformat'] = 'quicktime'; 124 } 125 126 return true; 127 } 128 129 function QuicktimeParseAtom($atomname, $atomsize, $atomdata, &$ThisFileInfo, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { 130 // http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm 131 132 array_push($atomHierarchy, $atomname); 133 $atomstructure['hierarchy'] = implode(' ', $atomHierarchy); 134 $atomstructure['name'] = $atomname; 135 $atomstructure['size'] = $atomsize; 136 $atomstructure['offset'] = $baseoffset; 137 138 switch ($atomname) { 139 case 'moov': // MOVie container atom 140 case 'trak': // TRAcK container atom 141 case 'clip': // CLIPping container atom 142 case 'matt': // track MATTe container atom 143 case 'edts': // EDiTS container atom 144 case 'tref': // Track REFerence container atom 145 case 'mdia': // MeDIA container atom 146 case 'minf': // Media INFormation container atom 147 case 'dinf': // Data INFormation container atom 148 case 'udta': // User DaTA container atom 149 case 'stbl': // Sample TaBLe container atom 150 case 'cmov': // Compressed MOVie container atom 151 case 'rmra': // Reference Movie Record Atom 152 case 'rmda': // Reference Movie Descriptor Atom 153 case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR) 154 $atomstructure['subatoms'] = $this->QuicktimeParseContainerAtom($atomdata, $ThisFileInfo, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); 155 break; 156 157 158 case '©cpy': 159 case '©day': 160 case '©dir': 161 case '©ed1': 162 case '©ed2': 163 case '©ed3': 164 case '©ed4': 165 case '©ed5': 166 case '©ed6': 167 case '©ed7': 168 case '©ed8': 169 case '©ed9': 170 case '©fmt': 171 case '©inf': 172 case '©prd': 173 case '©prf': 174 case '©req': 175 case '©src': 176 case '©wrt': 177 case '©nam': 178 case '©cmt': 179 case '©wrn': 180 case '©hst': 181 case '©mak': 182 case '©mod': 183 case '©PRD': 184 case '©swr': 185 case '©aut': 186 case '©ART': 187 case '©trk': 188 case '©alb': 189 case '©com': 190 case '©gen': 191 case '©ope': 192 case '©url': 193 case '©enc': 194 $atomstructure['data_length'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2)); 195 $atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2)); 196 $atomstructure['data'] = substr($atomdata, 4); 197 198 $atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']); 199 if (empty($ThisFileInfo['comments']['language']) || (!in_array($atomstructure['language'], $ThisFileInfo['comments']['language']))) { 200 $ThisFileInfo['comments']['language'][] = $atomstructure['language']; 201 } 202 $this->CopyToAppropriateCommentsSection($atomname, $atomstructure['data'], $ThisFileInfo); 203 break; 204 205 206 case 'play': // auto-PLAY atom 207 $atomstructure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 208 209 $ThisFileInfo['quicktime']['autoplay'] = $atomstructure['autoplay']; 210 break; 211 212 213 case 'WLOC': // Window LOCation atom 214 $atomstructure['location_x'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2)); 215 $atomstructure['location_y'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2)); 216 break; 217 218 219 case 'LOOP': // LOOPing atom 220 case 'SelO': // play SELection Only atom 221 case 'AllF': // play ALL Frames atom 222 $atomstructure['data'] = getid3_lib::BigEndian2Int($atomdata); 223 break; 224 225 226 case 'name': // 227 case 'MCPS': // Media Cleaner PRo 228 case '@PRM': // adobe PReMiere version 229 case '@PRQ': // adobe PRemiere Quicktime version 230 $atomstructure['data'] = $atomdata; 231 break; 232 233 234 case 'cmvd': // Compressed MooV Data atom 235 // Code by ubergeekØubergeek*tv based on information from 236 // http://developer.apple.com/quicktime/icefloe/dispatch012.html 237 $atomstructure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); 238 239 $CompressedFileData = substr($atomdata, 4); 240 if ($UncompressedHeader = @gzuncompress($CompressedFileData)) { 241 $atomstructure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, $ThisFileInfo, 0, $atomHierarchy, $ParseAllPossibleAtoms); 242 } else { 243 $ThisFileInfo['warning'][] = 'Error decompressing compressed MOV atom at offset '.$atomstructure['offset']; 244 } 245 break; 246 247 248 case 'dcom': // Data COMpression atom 249 $atomstructure['compression_id'] = $atomdata; 250 $atomstructure['compression_text'] = $this->QuicktimeDCOMLookup($atomdata); 251 break; 252 253 254 case 'rdrf': // Reference movie Data ReFerence atom 255 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 256 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); 257 $atomstructure['flags']['internal_data'] = (bool) ($atomstructure['flags_raw'] & 0x000001); 258 259 $atomstructure['reference_type_name'] = substr($atomdata, 4, 4); 260 $atomstructure['reference_length'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); 261 switch ($atomstructure['reference_type_name']) { 262 case 'url ': 263 $atomstructure['url'] = $this->NoNullString(substr($atomdata, 12)); 264 break; 265 266 case 'alis': 267 $atomstructure['file_alias'] = substr($atomdata, 12); 268 break; 269 270 case 'rsrc': 271 $atomstructure['resource_alias'] = substr($atomdata, 12); 272 break; 273 274 default: 275 $atomstructure['data'] = substr($atomdata, 12); 276 break; 277 } 278 break; 279 280 281 case 'rmqu': // Reference Movie QUality atom 282 $atomstructure['movie_quality'] = getid3_lib::BigEndian2Int($atomdata); 283 break; 284 285 286 case 'rmcs': // Reference Movie Cpu Speed atom 287 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 288 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 289 $atomstructure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); 290 break; 291 292 293 case 'rmvc': // Reference Movie Version Check atom 294 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 295 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 296 $atomstructure['gestalt_selector'] = substr($atomdata, 4, 4); 297 $atomstructure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); 298 $atomstructure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); 299 $atomstructure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atomdata, 14, 2)); 300 break; 301 302 303 case 'rmcd': // Reference Movie Component check atom 304 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 305 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 306 $atomstructure['component_type'] = substr($atomdata, 4, 4); 307 $atomstructure['component_subtype'] = substr($atomdata, 8, 4); 308 $atomstructure['component_manufacturer'] = substr($atomdata, 12, 4); 309 $atomstructure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); 310 $atomstructure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4)); 311 $atomstructure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atomdata, 24, 4)); 312 break; 313 314 315 case 'rmdr': // Reference Movie Data Rate atom 316 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 317 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 318 $atomstructure['data_rate'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); 319 320 $atomstructure['data_rate_bps'] = $atomstructure['data_rate'] * 10; 321 break; 322 323 324 case 'rmla': // Reference Movie Language Atom 325 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 326 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 327 $atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); 328 329 $atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']); 330 if (empty($ThisFileInfo['comments']['language']) || (!in_array($atomstructure['language'], $ThisFileInfo['comments']['language']))) { 331 $ThisFileInfo['comments']['language'][] = $atomstructure['language']; 332 } 333 break; 334 335 336 case 'rmla': // Reference Movie Language Atom 337 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 338 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 339 $atomstructure['track_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); 340 break; 341 342 343 case 'ptv ': // Print To Video - defines a movie's full screen mode 344 // http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm 345 $atomstructure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2)); 346 $atomstructure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2)); // hardcoded: 0x0000 347 $atomstructure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x0000 348 $atomstructure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 1)); 349 $atomstructure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atomdata, 7, 1)); 350 351 $atomstructure['flags']['play_on_open'] = (bool) $atomstructure['play_on_open_flag']; 352 $atomstructure['flags']['slide_show'] = (bool) $atomstructure['slide_show_flag']; 353 354 $ptv_lookup[0] = 'normal'; 355 $ptv_lookup[1] = 'double'; 356 $ptv_lookup[2] = 'half'; 357 $ptv_lookup[3] = 'full'; 358 $ptv_lookup[4] = 'current'; 359 if (isset($ptv_lookup[$atomstructure['display_size_raw']])) { 360 $atomstructure['display_size'] = $ptv_lookup[$atomstructure['display_size_raw']]; 361 } else { 362 $ThisFileInfo['warning'][] = 'unknown "ptv " display constant ('.$atomstructure['display_size_raw'].')'; 363 } 364 break; 365 366 367 case 'stsd': // Sample Table Sample Description atom 368 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 369 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 370 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); 371 $stsdEntriesDataOffset = 8; 372 for ($i = 0; $i < $atomstructure['number_entries']; $i++) { 373 $atomstructure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 4)); 374 $stsdEntriesDataOffset += 4; 375 $atomstructure['sample_description_table'][$i]['data_format'] = substr($atomdata, $stsdEntriesDataOffset, 4); 376 $stsdEntriesDataOffset += 4; 377 $atomstructure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 6)); 378 $stsdEntriesDataOffset += 6; 379 $atomstructure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 2)); 380 $stsdEntriesDataOffset += 2; 381 $atomstructure['sample_description_table'][$i]['data'] = substr($atomdata, $stsdEntriesDataOffset, ($atomstructure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2)); 382 $stsdEntriesDataOffset += ($atomstructure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2); 383 384 $atomstructure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 0, 2)); 385 $atomstructure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 2, 2)); 386 $atomstructure['sample_description_table'][$i]['encoder_vendor'] = substr($atomstructure['sample_description_table'][$i]['data'], 4, 4); 387 388 switch ($atomstructure['sample_description_table'][$i]['encoder_vendor']) { 389 390 case "\x00\x00\x00\x00": 391 // audio atom 392 $atomstructure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 8, 2)); 393 $atomstructure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 10, 2)); 394 $atomstructure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 12, 2)); 395 $atomstructure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 14, 2)); 396 $atomstructure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 16, 4)); 397 398 switch ($atomstructure['sample_description_table'][$i]['data_format']) { 399 case 'mp4v': 400 $ThisFileInfo['fileformat'] = 'mp4'; 401 $ThisFileInfo['error'][] = 'This version ('.GETID3_VERSION.') of getID3() does not fully support MPEG-4 audio/video streams'; 402 break; 403 404 case 'qtvr': 405 $ThisFileInfo['video']['dataformat'] = 'quicktimevr'; 406 break; 407 408 case 'mp4a': 409 default: 410 $ThisFileInfo['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atomstructure['sample_description_table'][$i]['data_format']); 411 $ThisFileInfo['quicktime']['audio']['sample_rate'] = $atomstructure['sample_description_table'][$i]['audio_sample_rate']; 412 $ThisFileInfo['quicktime']['audio']['channels'] = $atomstructure['sample_description_table'][$i]['audio_channels']; 413 $ThisFileInfo['quicktime']['audio']['bit_depth'] = $atomstructure['sample_description_table'][$i]['audio_bit_depth']; 414 $ThisFileInfo['audio']['codec'] = $ThisFileInfo['quicktime']['audio']['codec']; 415 $ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['quicktime']['audio']['sample_rate']; 416 $ThisFileInfo['audio']['channels'] = $ThisFileInfo['quicktime']['audio']['channels']; 417 $ThisFileInfo['audio']['bits_per_sample'] = $ThisFileInfo['quicktime']['audio']['bit_depth']; 418 switch ($atomstructure['sample_description_table'][$i]['data_format']) { 419 case 'raw ': // PCM 420 case 'alac': // Apple Lossless Audio Codec 421 $ThisFileInfo['audio']['lossless'] = true; 422 break; 423 default: 424 $ThisFileInfo['audio']['lossless'] = false; 425 break; 426 } 427 break; 428 } 429 break; 430 431 default: 432 switch ($atomstructure['sample_description_table'][$i]['data_format']) { 433 case 'mp4s': 434 $ThisFileInfo['fileformat'] = 'mp4'; 435 break; 436 437 default: 438 // video atom 439 $atomstructure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 8, 4)); 440 $atomstructure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 12, 4)); 441 $atomstructure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 16, 2)); 442 $atomstructure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 18, 2)); 443 $atomstructure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 20, 4)); 444 $atomstructure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 24, 4)); 445 $atomstructure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 28, 4)); 446 $atomstructure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 32, 2)); 447 $atomstructure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 34, 1)); 448 $atomstructure['sample_description_table'][$i]['video_encoder_name'] = substr($atomstructure['sample_description_table'][$i]['data'], 35, $atomstructure['sample_description_table'][$i]['video_encoder_name_len']); 449 $atomstructure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 66, 2)); 450 $atomstructure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 68, 2)); 451 452 $atomstructure['sample_description_table'][$i]['video_pixel_color_type'] = (($atomstructure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color'); 453 $atomstructure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atomstructure['sample_description_table'][$i]['video_pixel_color_depth']); 454 455 if ($atomstructure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') { 456 $ThisFileInfo['quicktime']['video']['codec_fourcc'] = $atomstructure['sample_description_table'][$i]['data_format']; 457 $ThisFileInfo['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atomstructure['sample_description_table'][$i]['data_format']); 458 $ThisFileInfo['quicktime']['video']['codec'] = $atomstructure['sample_description_table'][$i]['video_encoder_name']; 459 $ThisFileInfo['quicktime']['video']['color_depth'] = $atomstructure['sample_description_table'][$i]['video_pixel_color_depth']; 460 $ThisFileInfo['quicktime']['video']['color_depth_name'] = $atomstructure['sample_description_table'][$i]['video_pixel_color_name']; 461 462 $ThisFileInfo['video']['codec'] = $ThisFileInfo['quicktime']['video']['codec']; 463 $ThisFileInfo['video']['bits_per_sample'] = $ThisFileInfo['quicktime']['video']['color_depth']; 464 } 465 $ThisFileInfo['video']['lossless'] = false; 466 $ThisFileInfo['video']['pixel_aspect_ratio'] = (float) 1; 467 break; 468 } 469 break; 470 } 471 switch (strtolower($atomstructure['sample_description_table'][$i]['data_format'])) { 472 case 'mp4a': 473 $ThisFileInfo['audio']['dataformat'] = 'mp4'; 474 $ThisFileInfo['quicktime']['audio']['codec'] = 'mp4'; 475 break; 476 477 case '3ivx': 478 case '3iv1': 479 case '3iv2': 480 $ThisFileInfo['video']['dataformat'] = '3ivx'; 481 break; 482 483 case 'xvid': 484 $ThisFileInfo['video']['dataformat'] = 'xvid'; 485 break; 486 487 case 'mp4v': 488 $ThisFileInfo['video']['dataformat'] = 'mpeg4'; 489 break; 490 491 case 'divx': 492 case 'div1': 493 case 'div2': 494 case 'div3': 495 case 'div4': 496 case 'div5': 497 case 'div6': 498 $TDIVXileInfo['video']['dataformat'] = 'divx'; 499 break; 500 501 default: 502 // do nothing 503 break; 504 } 505 unset($atomstructure['sample_description_table'][$i]['data']); 506 } 507 break; 508 509 510 case 'stts': // Sample Table Time-to-Sample atom 511 //if ($ParseAllPossibleAtoms) { 512 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 513 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 514 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); 515 $sttsEntriesDataOffset = 8; 516 $FrameRateCalculatorArray = array(); 517 for ($i = 0; $i < $atomstructure['number_entries']; $i++) { 518 $atomstructure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atomdata, $sttsEntriesDataOffset, 4)); 519 $sttsEntriesDataOffset += 4; 520 $atomstructure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, $sttsEntriesDataOffset, 4)); 521 $sttsEntriesDataOffset += 4; 522 523 if (!empty($ThisFileInfo['quicktime']['time_scale']) && (@$atomstructure['time_to_sample_table'][$i]['sample_duration'] > 0)) { 524 $stts_new_framerate = $ThisFileInfo['quicktime']['time_scale'] / $atomstructure['time_to_sample_table'][$i]['sample_duration']; 525 if ($stts_new_framerate <= 60) { 526 // some atoms have durations of "1" giving a very large framerate, which probably is not right 527 $ThisFileInfo['video']['frame_rate'] = max(@$ThisFileInfo['video']['frame_rate'], $stts_new_framerate); 528 } 529 } 530 //@$FrameRateCalculatorArray[($ThisFileInfo['quicktime']['time_scale'] / $atomstructure['time_to_sample_table'][$i]['sample_duration'])] += $atomstructure['time_to_sample_table'][$i]['sample_count']; 531 } 532 //$sttsFramesTotal = 0; 533 //$sttsSecondsTotal = 0; 534 //foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) { 535 // if (($frames_per_second > 60) || ($frames_per_second < 1)) { 536 // // not video FPS information, probably audio information 537 // $sttsFramesTotal = 0; 538 // $sttsSecondsTotal = 0; 539 // break; 540 // } 541 // $sttsFramesTotal += $frame_count; 542 // $sttsSecondsTotal += $frame_count / $frames_per_second; 543 //} 544 //if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) { 545 // if (($sttsFramesTotal / $sttsSecondsTotal) > @$ThisFileInfo['video']['frame_rate']) { 546 // $ThisFileInfo['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal; 547 // } 548 //} 549 //} 550 break; 551 552 553 case 'stss': // Sample Table Sync Sample (key frames) atom 554 if ($ParseAllPossibleAtoms) { 555 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 556 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 557 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); 558 $stssEntriesDataOffset = 8; 559 for ($i = 0; $i < $atomstructure['number_entries']; $i++) { 560 $atomstructure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stssEntriesDataOffset, 4)); 561 $stssEntriesDataOffset += 4; 562 } 563 } 564 break; 565 566 567 case 'stsc': // Sample Table Sample-to-Chunk atom 568 if ($ParseAllPossibleAtoms) { 569 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 570 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 571 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); 572 $stscEntriesDataOffset = 8; 573 for ($i = 0; $i < $atomstructure['number_entries']; $i++) { 574 $atomstructure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4)); 575 $stscEntriesDataOffset += 4; 576 $atomstructure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4)); 577 $stscEntriesDataOffset += 4; 578 $atomstructure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4)); 579 $stscEntriesDataOffset += 4; 580 } 581 } 582 break; 583 584 585 case 'stsz': // Sample Table SiZe atom 586 if ($ParseAllPossibleAtoms) { 587 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 588 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 589 $atomstructure['sample_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); 590 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); 591 $stszEntriesDataOffset = 12; 592 if ($atomstructure['sample_size'] == 0) { 593 for ($i = 0; $i < $atomstructure['number_entries']; $i++) { 594 $atomstructure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stszEntriesDataOffset, 4)); 595 $stszEntriesDataOffset += 4; 596 } 597 } 598 } 599 break; 600 601 602 case 'stco': // Sample Table Chunk Offset atom 603 if ($ParseAllPossibleAtoms) { 604 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 605 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 606 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); 607 $stcoEntriesDataOffset = 8; 608 for ($i = 0; $i < $atomstructure['number_entries']; $i++) { 609 $atomstructure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stcoEntriesDataOffset, 4)); 610 $stcoEntriesDataOffset += 4; 611 } 612 } 613 break; 614 615 616 case 'dref': // Data REFerence atom 617 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 618 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 619 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); 620 $drefDataOffset = 8; 621 for ($i = 0; $i < $atomstructure['number_entries']; $i++) { 622 $atomstructure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 4)); 623 $drefDataOffset += 4; 624 $atomstructure['data_references'][$i]['type'] = substr($atomdata, $drefDataOffset, 4); 625 $drefDataOffset += 4; 626 $atomstructure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 1)); 627 $drefDataOffset += 1; 628 $atomstructure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 3)); // hardcoded: 0x0000 629 $drefDataOffset += 3; 630 $atomstructure['data_references'][$i]['data'] = substr($atomdata, $drefDataOffset, ($atomstructure['data_references'][$i]['size'] - 4 - 4 - 1 - 3)); 631 $drefDataOffset += ($atomstructure['data_references'][$i]['size'] - 4 - 4 - 1 - 3); 632 633 $atomstructure['data_references'][$i]['flags']['self_reference'] = (bool) ($atomstructure['data_references'][$i]['flags_raw'] & 0x001); 634 } 635 break; 636 637 638 case 'gmin': // base Media INformation atom 639 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 640 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 641 $atomstructure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); 642 $atomstructure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2)); 643 $atomstructure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 2)); 644 $atomstructure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2)); 645 $atomstructure['balance'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 2)); 646 $atomstructure['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, 14, 2)); 647 break; 648 649 650 case 'smhd': // Sound Media information HeaDer atom 651 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 652 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 653 $atomstructure['balance'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); 654 $atomstructure['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2)); 655 break; 656 657 658 case 'vmhd': // Video Media information HeaDer atom 659 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 660 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); 661 $atomstructure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); 662 $atomstructure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2)); 663 $atomstructure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 2)); 664 $atomstructure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2)); 665 666 $atomstructure['flags']['no_lean_ahead'] = (bool) ($atomstructure['flags_raw'] & 0x001); 667 break; 668 669 670 case 'hdlr': // HanDLeR reference atom 671 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 672 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 673 $atomstructure['component_type'] = substr($atomdata, 4, 4); 674 $atomstructure['component_subtype'] = substr($atomdata, 8, 4); 675 $atomstructure['component_manufacturer'] = substr($atomdata, 12, 4); 676 $atomstructure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); 677 $atomstructure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4)); 678 $atomstructure['component_name'] = $this->Pascal2String(substr($atomdata, 24)); 679 680 if (($atomstructure['component_subtype'] == 'STpn') && ($atomstructure['component_manufacturer'] == 'zzzz')) { 681 $ThisFileInfo['video']['dataformat'] = 'quicktimevr'; 682 } 683 break; 684 685 686 case 'mdhd': // MeDia HeaDer atom 687 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 688 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 689 $atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); 690 $atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); 691 $atomstructure['time_scale'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); 692 $atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); 693 $atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 2)); 694 $atomstructure['quality'] = getid3_lib::BigEndian2Int(substr($atomdata, 22, 2)); 695 696 if ($atomstructure['time_scale'] == 0) { 697 $ThisFileInfo['error'][] = 'Corrupt Quicktime file: mdhd.time_scale == zero'; 698 return false; 699 } 700 $atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']); 701 $atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']); 702 $atomstructure['playtime_seconds'] = $atomstructure['duration'] / $atomstructure['time_scale']; 703 $atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']); 704 if (empty($ThisFileInfo['comments']['language']) || (!in_array($atomstructure['language'], $ThisFileInfo['comments']['language']))) { 705 $ThisFileInfo['comments']['language'][] = $atomstructure['language']; 706 } 707 break; 708 709 710 case 'pnot': // Preview atom 711 $atomstructure['modification_date'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); // "standard Macintosh format" 712 $atomstructure['version_number'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x00 713 $atomstructure['atom_type'] = substr($atomdata, 6, 4); // usually: 'PICT' 714 $atomstructure['atom_index'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2)); // usually: 0x01 715 716 $atomstructure['modification_date_unix'] = getid3_lib::DateMac2Unix($atomstructure['modification_date']); 717 break; 718 719 720 case 'crgn': // Clipping ReGioN atom 721 $atomstructure['region_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2)); // The Region size, Region boundary box, 722 $atomstructure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 8)); // and Clipping region data fields 723 $atomstructure['clipping_data'] = substr($atomdata, 10); // constitute a QuickDraw region. 724 break; 725 726 727 case 'load': // track LOAD settings atom 728 $atomstructure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); 729 $atomstructure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); 730 $atomstructure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); 731 $atomstructure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); 732 733 $atomstructure['default_hints']['double_buffer'] = (bool) ($atomstructure['default_hints_raw'] & 0x0020); 734 $atomstructure['default_hints']['high_quality'] = (bool) ($atomstructure['default_hints_raw'] & 0x0100); 735 break; 736 737 738 case 'tmcd': // TiMe CoDe atom 739 case 'chap': // CHAPter list atom 740 case 'sync': // SYNChronization atom 741 case 'scpt': // tranSCriPT atom 742 case 'ssrc': // non-primary SouRCe atom 743 for ($i = 0; $i < (strlen($atomdata) % 4); $i++) { 744 $atomstructure['track_id'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $i * 4, 4)); 745 } 746 break; 747 748 749 case 'elst': // Edit LiST atom 750 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 751 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 752 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); 753 for ($i = 0; $i < $atomstructure['number_entries']; $i++ ) { 754 $atomstructure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($i * 12) + 0, 4)); 755 $atomstructure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($i * 12) + 4, 4)); 756 $atomstructure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atomdata, 8 + ($i * 12) + 8, 4)); 757 } 758 break; 759 760 761 case 'kmat': // compressed MATte atom 762 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 763 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 764 $atomstructure['matte_data_raw'] = substr($atomdata, 4); 765 break; 766 767 768 case 'ctab': // Color TABle atom 769 $atomstructure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); // hardcoded: 0x00000000 770 $atomstructure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x8000 771 $atomstructure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2)) + 1; 772 for ($colortableentry = 0; $colortableentry < $atomstructure['color_table_size']; $colortableentry++) { 773 $atomstructure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 0, 2)); 774 $atomstructure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 2, 2)); 775 $atomstructure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 4, 2)); 776 $atomstructure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 6, 2)); 777 } 778 break; 779 780 781 case 'mvhd': // MoVie HeaDer atom 782 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 783 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); 784 $atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); 785 $atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); 786 $atomstructure['time_scale'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); 787 $atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); 788 $atomstructure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atomdata, 20, 4)); 789 $atomstructure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atomdata, 24, 2)); 790 $atomstructure['reserved'] = substr($atomdata, 26, 10); 791 $atomstructure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atomdata, 36, 4)); 792 $atomstructure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atomdata, 40, 4)); 793 $atomstructure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atomdata, 44, 4)); 794 $atomstructure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atomdata, 48, 4)); 795 $atomstructure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atomdata, 52, 4)); 796 $atomstructure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atomdata, 56, 4)); 797 $atomstructure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atomdata, 60, 4)); 798 $atomstructure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atomdata, 64, 4)); 799 $atomstructure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atomdata, 68, 4)); 800 $atomstructure['preview_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 72, 4)); 801 $atomstructure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 76, 4)); 802 $atomstructure['poster_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 80, 4)); 803 $atomstructure['selection_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 84, 4)); 804 $atomstructure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 88, 4)); 805 $atomstructure['current_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 92, 4)); 806 $atomstructure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 96, 4)); 807 808 if ($atomstructure['time_scale'] == 0) { 809 $ThisFileInfo['error'][] = 'Corrupt Quicktime file: mvhd.time_scale == zero'; 810 return false; 811 } 812 $atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']); 813 $atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']); 814 $ThisFileInfo['quicktime']['time_scale'] = $atomstructure['time_scale']; 815 $ThisFileInfo['quicktime']['display_scale'] = $atomstructure['matrix_a']; 816 $ThisFileInfo['playtime_seconds'] = $atomstructure['duration'] / $atomstructure['time_scale']; 817 break; 818 819 820 case 'tkhd': // TracK HeaDer atom 821 $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); 822 $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); 823 $atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); 824 $atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); 825 $atomstructure['trackid'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); 826 $atomstructure['reserved1'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); 827 $atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4)); 828 $atomstructure['reserved2'] = getid3_lib::BigEndian2Int(substr($atomdata, 24, 8)); 829 $atomstructure['layer'] = getid3_lib::BigEndian2Int(substr($atomdata, 32, 2)); 830 $atomstructure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atomdata, 34, 2)); 831 $atomstructure['volume'] = getid3_lib::FixedPoint8_8(substr($atomdata, 36, 2)); 832 $atomstructure['reserved3'] = getid3_lib::BigEndian2Int(substr($atomdata, 38, 2)); 833 $atomstructure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atomdata, 40, 4)); 834 $atomstructure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atomdata, 44, 4)); 835 $atomstructure['matrix_u'] = getid3_lib::FixedPoint16_16(substr($atomdata, 48, 4)); 836 $atomstructure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atomdata, 52, 4)); 837 $atomstructure['matrix_v'] = getid3_lib::FixedPoint16_16(substr($atomdata, 56, 4)); 838 $atomstructure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atomdata, 60, 4)); 839 $atomstructure['matrix_x'] = getid3_lib::FixedPoint2_30(substr($atomdata, 64, 4)); 840 $atomstructure['matrix_y'] = getid3_lib::FixedPoint2_30(substr($atomdata, 68, 4)); 841 $atomstructure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atomdata, 72, 4)); 842 $atomstructure['width'] = getid3_lib::FixedPoint16_16(substr($atomdata, 76, 4)); 843 $atomstructure['height'] = getid3_lib::FixedPoint16_16(substr($atomdata, 80, 4)); 844 845 $atomstructure['flags']['enabled'] = (bool) ($atomstructure['flags_raw'] & 0x0001); 846 $atomstructure['flags']['in_movie'] = (bool) ($atomstructure['flags_raw'] & 0x0002); 847 $atomstructure['flags']['in_preview'] = (bool) ($atomstructure['flags_raw'] & 0x0004); 848 $atomstructure['flags']['in_poster'] = (bool) ($atomstructure['flags_raw'] & 0x0008); 849 $atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']); 850 $atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']); 851 852 if (!isset($ThisFileInfo['video']['resolution_x']) || !isset($ThisFileInfo['video']['resolution_y'])) { 853 $ThisFileInfo['video']['resolution_x'] = $atomstructure['width']; 854 $ThisFileInfo['video']['resolution_y'] = $atomstructure['height']; 855 } 856 if ($atomstructure['flags']['enabled'] == 1) { 857 $ThisFileInfo['video']['resolution_x'] = max($ThisFileInfo['video']['resolution_x'], $atomstructure['width']); 858 $ThisFileInfo['video']['resolution_y'] = max($ThisFileInfo['video']['resolution_y'], $atomstructure['height']); 859 } 860 if (!empty($ThisFileInfo['video']['resolution_x']) && !empty($ThisFileInfo['video']['resolution_y'])) { 861 $ThisFileInfo['quicktime']['video']['resolution_x'] = $ThisFileInfo['video']['resolution_x']; 862 $ThisFileInfo['quicktime']['video']['resolution_y'] = $ThisFileInfo['video']['resolution_y']; 863 } else { 864 unset($ThisFileInfo['video']['resolution_x']); 865 unset($ThisFileInfo['video']['resolution_y']); 866 unset($ThisFileInfo['quicktime']['video']); 867 } 868 break; 869 870 871 case 'meta': // METAdata atom 872 // http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt 873 $NextTagPosition = strpos($atomdata, '©'); 874 while ($NextTagPosition < strlen($atomdata)) { 875 $metaItemSize = getid3_lib::BigEndian2Int(substr($atomdata, $NextTagPosition - 4, 4)) - 4; 876 if ($metaItemSize == -4) { 877 break; 878 } 879 $metaItemRaw = substr($atomdata, $NextTagPosition, $metaItemSize); 880 $metaItemKey = substr($metaItemRaw, 0, 4); 881 $metaItemData = substr($metaItemRaw, 20); 882 $NextTagPosition += $metaItemSize + 4; 883 884 $this->CopyToAppropriateCommentsSection($metaItemKey, $metaItemData, $ThisFileInfo); 885 } 886 break; 887 888 case 'ftyp': // FileTYPe (?) atom (for MP4 it seems) 889 $atomstructure['signature'] = substr($atomdata, 0, 4); 890 $atomstructure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); 891 $atomstructure['fourcc'] = substr($atomdata, 8, 4); 892 break; 893 894 case 'mdat': // Media DATa atom 895 case 'free': // FREE space atom 896 case 'skip': // SKIP atom 897 case 'wide': // 64-bit expansion placeholder atom 898 // 'mdat' data is too big to deal with, contains no useful metadata 899 // 'free', 'skip' and 'wide' are just padding, contains no useful data at all 900 901 // When writing QuickTime files, it is sometimes necessary to update an atom's size. 902 // It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom 903 // is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime 904 // puts an 8-byte placeholder atom before any atoms it may have to update the size of. 905 // In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the 906 // placeholder atom can be overwritten to obtain the necessary 8 extra bytes. 907 // The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ). 908 break; 909 910 911 case 'nsav': // NoSAVe atom 912 // http://developer.apple.com/technotes/tn/tn2038.html 913 $atomstructure['data'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); 914 break; 915 916 case 'ctyp': // Controller TYPe atom (seen on QTVR) 917 // http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt 918 // some controller names are: 919 // 0x00 + 'std' for linear movie 920 // 'none' for no controls 921 $atomstructure['ctyp'] = substr($atomdata, 0, 4); 922 switch ($atomstructure['ctyp']) { 923 case 'qtvr': 924 $ThisFileInfo['video']['dataformat'] = 'quicktimevr'; 925 break; 926 } 927 break; 928 929 case 'pano': // PANOrama track (seen on QTVR) 930 $atomstructure['pano'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); 931 break; 932 933 case 'hint': // HINT track 934 case 'hinf': // 935 case 'hinv': // 936 case 'hnti': // 937 $ThisFileInfo['quicktime']['hinting'] = true; 938 break; 939 940 case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR) 941 for ($i = 0; $i < ($atomstructure['size'] - 8); $i += 4) { 942 $atomstructure['imgt'][] = getid3_lib::BigEndian2Int(substr($atomdata, $i, 4)); 943 } 944 break; 945 946 case 'FXTC': // Something to do with Adobe After Effects (?) 947 case 'PrmA': 948 case 'code': 949 case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html 950 // Observed-but-not-handled atom types are just listed here 951 // to prevent warnings being generated 952 $atomstructure['data'] = $atomdata; 953 break; 954 955 default: 956 $ThisFileInfo['warning'][] = 'Unknown QuickTime atom type: "'.$atomname.'" at offset '.$baseoffset; 957 $atomstructure['data'] = $atomdata; 958 break; 959 } 960 array_pop($atomHierarchy); 961 return $atomstructure; 962 } 963 964 function QuicktimeParseContainerAtom($atomdata, &$ThisFileInfo, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { 965 $atomstructure = false; 966 $subatomoffset = 0; 967 $subatomcounter = 0; 968 if ((strlen($atomdata) == 4) && (getid3_lib::BigEndian2Int($atomdata) == 0x00000000)) { 969 return false; 970 } 971 while ($subatomoffset < strlen($atomdata)) { 972 $subatomsize = getid3_lib::BigEndian2Int(substr($atomdata, $subatomoffset + 0, 4)); 973 $subatomname = substr($atomdata, $subatomoffset + 4, 4); 974 $subatomdata = substr($atomdata, $subatomoffset + 8, $subatomsize - 8); 975 if ($subatomsize == 0) { 976 // Furthermore, for historical reasons the list of atoms is optionally 977 // terminated by a 32-bit integer set to 0. If you are writing a program 978 // to read user data atoms, you should allow for the terminating 0. 979 return $atomstructure; 980 } 981 982 $atomstructure[$subatomcounter] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $ThisFileInfo, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms); 983 984 $subatomoffset += $subatomsize; 985 $subatomcounter++; 986 } 987 return $atomstructure; 988 } 989 990 991 function QuicktimeLanguageLookup($languageid) { 992 static $QuicktimeLanguageLookup = array(); 993 if (empty($QuicktimeLanguageLookup)) { 994 $QuicktimeLanguageLookup[0] = 'English'; 995 $QuicktimeLanguageLookup[1] = 'French'; 996 $QuicktimeLanguageLookup[2] = 'German'; 997 $QuicktimeLanguageLookup[3] = 'Italian'; 998 $QuicktimeLanguageLookup[4] = 'Dutch'; 999 $QuicktimeLanguageLookup[5] = 'Swedish'; 1000 $QuicktimeLanguageLookup[6] = 'Spanish'; 1001 $QuicktimeLanguageLookup[7] = 'Danish'; 1002 $QuicktimeLanguageLookup[8] = 'Portuguese'; 1003 $QuicktimeLanguageLookup[9] = 'Norwegian'; 1004 $QuicktimeLanguageLookup[10] = 'Hebrew'; 1005 $QuicktimeLanguageLookup[11] = 'Japanese'; 1006 $QuicktimeLanguageLookup[12] = 'Arabic'; 1007 $QuicktimeLanguageLookup[13] = 'Finnish'; 1008 $QuicktimeLanguageLookup[14] = 'Greek'; 1009 $QuicktimeLanguageLookup[15] = 'Icelandic'; 1010 $QuicktimeLanguageLookup[16] = 'Maltese'; 1011 $QuicktimeLanguageLookup[17] = 'Turkish'; 1012 $QuicktimeLanguageLookup[18] = 'Croatian'; 1013 $QuicktimeLanguageLookup[19] = 'Chinese (Traditional)'; 1014 $QuicktimeLanguageLookup[20] = 'Urdu'; 1015 $QuicktimeLanguageLookup[21] = 'Hindi'; 1016 $QuicktimeLanguageLookup[22] = 'Thai'; 1017 $QuicktimeLanguageLookup[23] = 'Korean'; 1018 $QuicktimeLanguageLookup[24] = 'Lithuanian'; 1019 $QuicktimeLanguageLookup[25] = 'Polish'; 1020 $QuicktimeLanguageLookup[26] = 'Hungarian'; 1021 $QuicktimeLanguageLookup[27] = 'Estonian'; 1022 $QuicktimeLanguageLookup[28] = 'Lettish'; 1023 $QuicktimeLanguageLookup[28] = 'Latvian'; 1024 $QuicktimeLanguageLookup[29] = 'Saamisk'; 1025 $QuicktimeLanguageLookup[29] = 'Lappish'; 1026 $QuicktimeLanguageLookup[30] = 'Faeroese'; 1027 $QuicktimeLanguageLookup[31] = 'Farsi'; 1028 $QuicktimeLanguageLookup[31] = 'Persian'; 1029 $QuicktimeLanguageLookup[32] = 'Russian'; 1030 $QuicktimeLanguageLookup[33] = 'Chinese (Simplified)'; 1031 $QuicktimeLanguageLookup[34] = 'Flemish'; 1032 $QuicktimeLanguageLookup[35] = 'Irish'; 1033 $QuicktimeLanguageLookup[36] = 'Albanian'; 1034 $QuicktimeLanguageLookup[37] = 'Romanian'; 1035 $QuicktimeLanguageLookup[38] = 'Czech'; 1036 $QuicktimeLanguageLookup[39] = 'Slovak'; 1037 $QuicktimeLanguageLookup[40] = 'Slovenian'; 1038 $QuicktimeLanguageLookup[41] = 'Yiddish'; 1039 $QuicktimeLanguageLookup[42] = 'Serbian'; 1040 $QuicktimeLanguageLookup[43] = 'Macedonian'; 1041 $QuicktimeLanguageLookup[44] = 'Bulgarian'; 1042 $QuicktimeLanguageLookup[45] = 'Ukrainian'; 1043 $QuicktimeLanguageLookup[46] = 'Byelorussian'; 1044 $QuicktimeLanguageLookup[47] = 'Uzbek'; 1045 $QuicktimeLanguageLookup[48] = 'Kazakh'; 1046 $QuicktimeLanguageLookup[49] = 'Azerbaijani'; 1047 $QuicktimeLanguageLookup[50] = 'AzerbaijanAr'; 1048 $QuicktimeLanguageLookup[51] = 'Armenian'; 1049 $QuicktimeLanguageLookup[52] = 'Georgian'; 1050 $QuicktimeLanguageLookup[53] = 'Moldavian'; 1051 $QuicktimeLanguageLookup[54] = 'Kirghiz'; 1052 $QuicktimeLanguageLookup[55] = 'Tajiki'; 1053 $QuicktimeLanguageLookup[56] = 'Turkmen'; 1054 $QuicktimeLanguageLookup[57] = 'Mongolian'; 1055 $QuicktimeLanguageLookup[58] = 'MongolianCyr'; 1056 $QuicktimeLanguageLookup[59] = 'Pashto'; 1057 $QuicktimeLanguageLookup[60] = 'Kurdish'; 1058 $QuicktimeLanguageLookup[61] = 'Kashmiri'; 1059 $QuicktimeLanguageLookup[62] = 'Sindhi'; 1060 $QuicktimeLanguageLookup[63] = 'Tibetan'; 1061 $QuicktimeLanguageLookup[64] = 'Nepali'; 1062 $QuicktimeLanguageLookup[65] = 'Sanskrit'; 1063 $QuicktimeLanguageLookup[66] = 'Marathi'; 1064 $QuicktimeLanguageLookup[67] = 'Bengali'; 1065 $QuicktimeLanguageLookup[68] = 'Assamese'; 1066 $QuicktimeLanguageLookup[69] = 'Gujarati'; 1067 $QuicktimeLanguageLookup[70] = 'Punjabi'; 1068 $QuicktimeLanguageLookup[71] = 'Oriya'; 1069 $QuicktimeLanguageLookup[72] = 'Malayalam'; 1070 $QuicktimeLanguageLookup[73] = 'Kannada'; 1071 $QuicktimeLanguageLookup[74] = 'Tamil'; 1072 $QuicktimeLanguageLookup[75] = 'Telugu'; 1073 $QuicktimeLanguageLookup[76] = 'Sinhalese'; 1074 $QuicktimeLanguageLookup[77] = 'Burmese'; 1075 $QuicktimeLanguageLookup[78] = 'Khmer'; 1076 $QuicktimeLanguageLookup[79] = 'Lao'; 1077 $QuicktimeLanguageLookup[80] = 'Vietnamese'; 1078 $QuicktimeLanguageLookup[81] = 'Indonesian'; 1079 $QuicktimeLanguageLookup[82] = 'Tagalog'; 1080 $QuicktimeLanguageLookup[83] = 'MalayRoman'; 1081 $QuicktimeLanguageLookup[84] = 'MalayArabic'; 1082 $QuicktimeLanguageLookup[85] = 'Amharic'; 1083 $QuicktimeLanguageLookup[86] = 'Tigrinya'; 1084 $QuicktimeLanguageLookup[87] = 'Galla'; 1085 $QuicktimeLanguageLookup[87] = 'Oromo'; 1086 $QuicktimeLanguageLookup[88] = 'Somali'; 1087 $QuicktimeLanguageLookup[89] = 'Swahili'; 1088 $QuicktimeLanguageLookup[90] = 'Ruanda'; 1089 $QuicktimeLanguageLookup[91] = 'Rundi'; 1090 $QuicktimeLanguageLookup[92] = 'Chewa'; 1091 $QuicktimeLanguageLookup[93] = 'Malagasy'; 1092 $QuicktimeLanguageLookup[94] = 'Esperanto'; 1093 $QuicktimeLanguageLookup[128] = 'Welsh'; 1094 $QuicktimeLanguageLookup[129] = 'Basque'; 1095 $QuicktimeLanguageLookup[130] = 'Catalan'; 1096 $QuicktimeLanguageLookup[131] = 'Latin'; 1097 $QuicktimeLanguageLookup[132] = 'Quechua'; 1098 $QuicktimeLanguageLookup[133] = 'Guarani'; 1099 $QuicktimeLanguageLookup[134] = 'Aymara'; 1100 $QuicktimeLanguageLookup[135] = 'Tatar'; 1101 $QuicktimeLanguageLookup[136] = 'Uighur'; 1102 $QuicktimeLanguageLookup[137] = 'Dzongkha'; 1103 $QuicktimeLanguageLookup[138] = 'JavaneseRom'; 1104 } 1105 return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid'); 1106 } 1107 1108 function QuicktimeVideoCodecLookup($codecid) { 1109 static $QuicktimeVideoCodecLookup = array(); 1110 if (empty($QuicktimeVideoCodecLookup)) { 1111 $QuicktimeVideoCodecLookup['3IVX'] = '3ivx MPEG-4'; 1112 $QuicktimeVideoCodecLookup['3IV1'] = '3ivx MPEG-4 v1'; 1113 $QuicktimeVideoCodecLookup['3IV2'] = '3ivx MPEG-4 v2'; 1114 $QuicktimeVideoCodecLookup['avr '] = 'AVR-JPEG'; 1115 $QuicktimeVideoCodecLookup['base'] = 'Base'; 1116 $QuicktimeVideoCodecLookup['WRLE'] = 'BMP'; 1117 $QuicktimeVideoCodecLookup['cvid'] = 'Cinepak'; 1118 $QuicktimeVideoCodecLookup['clou'] = 'Cloud'; 1119 $QuicktimeVideoCodecLookup['cmyk'] = 'CMYK'; 1120 $QuicktimeVideoCodecLookup['yuv2'] = 'ComponentVideo'; 1121 $QuicktimeVideoCodecLookup['yuvu'] = 'ComponentVideoSigned'; 1122 $QuicktimeVideoCodecLookup['yuvs'] = 'ComponentVideoUnsigned'; 1123 $QuicktimeVideoCodecLookup['dvc '] = 'DVC-NTSC'; 1124 $QuicktimeVideoCodecLookup['dvcp'] = 'DVC-PAL'; 1125 $QuicktimeVideoCodecLookup['dvpn'] = 'DVCPro-NTSC'; 1126 $QuicktimeVideoCodecLookup['dvpp'] = 'DVCPro-PAL'; 1127 $QuicktimeVideoCodecLookup['fire'] = 'Fire'; 1128 $QuicktimeVideoCodecLookup['flic'] = 'FLC'; 1129 $QuicktimeVideoCodecLookup['b48r'] = '48RGB'; 1130 $QuicktimeVideoCodecLookup['gif '] = 'GIF'; 1131 $QuicktimeVideoCodecLookup['smc '] = 'Graphics'; 1132 $QuicktimeVideoCodecLookup['h261'] = 'H261'; 1133 $QuicktimeVideoCodecLookup['h263'] = 'H263'; 1134 $QuicktimeVideoCodecLookup['IV41'] = 'Indeo4'; 1135 $QuicktimeVideoCodecLookup['jpeg'] = 'JPEG'; 1136 $QuicktimeVideoCodecLookup['PNTG'] = 'MacPaint'; 1137 $QuicktimeVideoCodecLookup['msvc'] = 'Microsoft Video1'; 1138 $QuicktimeVideoCodecLookup['mjpa'] = 'Motion JPEG-A'; 1139 $QuicktimeVideoCodecLookup['mjpb'] = 'Motion JPEG-B'; 1140 $QuicktimeVideoCodecLookup['myuv'] = 'MPEG YUV420'; 1141 $QuicktimeVideoCodecLookup['dmb1'] = 'OpenDML JPEG'; 1142 $QuicktimeVideoCodecLookup['kpcd'] = 'PhotoCD'; 1143 $QuicktimeVideoCodecLookup['8BPS'] = 'Planar RGB'; 1144 $QuicktimeVideoCodecLookup['png '] = 'PNG'; 1145 $QuicktimeVideoCodecLookup['qdrw'] = 'QuickDraw'; 1146 $QuicktimeVideoCodecLookup['qdgx'] = 'QuickDrawGX'; 1147 $QuicktimeVideoCodecLookup['raw '] = 'RAW'; 1148 $QuicktimeVideoCodecLookup['.SGI'] = 'SGI'; 1149 $QuicktimeVideoCodecLookup['b16g'] = '16Gray'; 1150 $QuicktimeVideoCodecLookup['b64a'] = '64ARGB'; 1151 $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 1'; 1152 $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 3'; 1153 $QuicktimeVideoCodecLookup['syv9'] = 'Sorenson YUV9'; 1154 $QuicktimeVideoCodecLookup['tga '] = 'Targa'; 1155 $QuicktimeVideoCodecLookup['b32a'] = '32AlphaGray'; 1156 $QuicktimeVideoCodecLookup['tiff'] = 'TIFF'; 1157 $QuicktimeVideoCodecLookup['path'] = 'Vector'; 1158 $QuicktimeVideoCodecLookup['rpza'] = 'Video'; 1159 $QuicktimeVideoCodecLookup['ripl'] = 'WaterRipple'; 1160 $QuicktimeVideoCodecLookup['WRAW'] = 'Windows RAW'; 1161 $QuicktimeVideoCodecLookup['y420'] = 'YUV420'; 1162 } 1163 return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : ''); 1164 } 1165 1166 function QuicktimeAudioCodecLookup($codecid) { 1167 static $QuicktimeAudioCodecLookup = array(); 1168 if (empty($QuicktimeAudioCodecLookup)) { 1169 $QuicktimeAudioCodecLookup['.mp3'] = 'Fraunhofer MPEG Layer-III alias'; 1170 $QuicktimeAudioCodecLookup['aac '] = 'ISO/IEC 14496-3 AAC'; 1171 $QuicktimeAudioCodecLookup['agsm'] = 'Apple GSM 10:1'; 1172 $QuicktimeAudioCodecLookup['alac'] = 'Apple Lossless Audio Codec'; 1173 $QuicktimeAudioCodecLookup['alaw'] = 'A-law 2:1'; 1174 $QuicktimeAudioCodecLookup['conv'] = 'Sample Format'; 1175 $QuicktimeAudioCodecLookup['dvca'] = 'DV'; 1176 $QuicktimeAudioCodecLookup['dvi '] = 'DV 4:1'; 1177 $QuicktimeAudioCodecLookup['eqal'] = 'Frequency Equalizer'; 1178 $QuicktimeAudioCodecLookup['fl32'] = '32-bit Floating Point'; 1179 $QuicktimeAudioCodecLookup['fl64'] = '64-bit Floating Point'; 1180 $QuicktimeAudioCodecLookup['ima4'] = 'Interactive Multimedia Association 4:1'; 1181 $QuicktimeAudioCodecLookup['in24'] = '24-bit Integer'; 1182 $QuicktimeAudioCodecLookup['in32'] = '32-bit Integer'; 1183 $QuicktimeAudioCodecLookup['lpc '] = 'LPC 23:1'; 1184 $QuicktimeAudioCodecLookup['MAC3'] = 'Macintosh Audio Compression/Expansion (MACE) 3:1'; 1185 $QuicktimeAudioCodecLookup['MAC6'] = 'Macintosh Audio Compression/Expansion (MACE) 6:1'; 1186 $QuicktimeAudioCodecLookup['mixb'] = '8-bit Mixer'; 1187 $QuicktimeAudioCodecLookup['mixw'] = '16-bit Mixer'; 1188 $QuicktimeAudioCodecLookup['mp4a'] = 'ISO/IEC 14496-3 AAC'; 1189 $QuicktimeAudioCodecLookup['MS'."\x00\x02"] = 'Microsoft ADPCM'; 1190 $QuicktimeAudioCodecLookup['MS'."\x00\x11"] = 'DV IMA'; 1191 $QuicktimeAudioCodecLookup['MS'."\x00\x55"] = 'Fraunhofer MPEG Layer III'; 1192 $QuicktimeAudioCodecLookup['NONE'] = 'No Encoding'; 1193 $QuicktimeAudioCodecLookup['Qclp'] = 'Qualcomm PureVoice'; 1194 $QuicktimeAudioCodecLookup['QDM2'] = 'QDesign Music 2'; 1195 $QuicktimeAudioCodecLookup['QDMC'] = 'QDesign Music 1'; 1196 $QuicktimeAudioCodecLookup['ratb'] = '8-bit Rate'; 1197 $QuicktimeAudioCodecLookup['ratw'] = '16-bit Rate'; 1198 $QuicktimeAudioCodecLookup['raw '] = 'raw PCM'; 1199 $QuicktimeAudioCodecLookup['sour'] = 'Sound Source'; 1200 $QuicktimeAudioCodecLookup['sowt'] = 'signed/two\'s complement (Little Endian)'; 1201 $QuicktimeAudioCodecLookup['str1'] = 'Iomega MPEG layer II'; 1202 $QuicktimeAudioCodecLookup['str2'] = 'Iomega MPEG *layer II'; 1203 $QuicktimeAudioCodecLookup['str3'] = 'Iomega MPEG **layer II'; 1204 $QuicktimeAudioCodecLookup['str4'] = 'Iomega MPEG ***layer II'; 1205 $QuicktimeAudioCodecLookup['twos'] = 'signed/two\'s complement (Big Endian)'; 1206 $QuicktimeAudioCodecLookup['ulaw'] = 'mu-law 2:1'; 1207 } 1208 return (isset($QuicktimeAudioCodecLookup[$codecid]) ? $QuicktimeAudioCodecLookup[$codecid] : ''); 1209 } 1210 1211 function QuicktimeDCOMLookup($compressionid) { 1212 static $QuicktimeDCOMLookup = array(); 1213 if (empty($QuicktimeDCOMLookup)) { 1214 $QuicktimeDCOMLookup['zlib'] = 'ZLib Deflate'; 1215 $QuicktimeDCOMLookup['adec'] = 'Apple Compression'; 1216 } 1217 return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : ''); 1218 } 1219 1220 function QuicktimeColorNameLookup($colordepthid) { 1221 static $QuicktimeColorNameLookup = array(); 1222 if (empty($QuicktimeColorNameLookup)) { 1223 $QuicktimeColorNameLookup[1] = '2-color (monochrome)'; 1224 $QuicktimeColorNameLookup[2] = '4-color'; 1225 $QuicktimeColorNameLookup[4] = '16-color'; 1226 $QuicktimeColorNameLookup[8] = '256-color'; 1227 $QuicktimeColorNameLookup[16] = 'thousands (16-bit color)'; 1228 $QuicktimeColorNameLookup[24] = 'millions (24-bit color)'; 1229 $QuicktimeColorNameLookup[32] = 'millions+ (32-bit color)'; 1230 $QuicktimeColorNameLookup[33] = 'black & white'; 1231 $QuicktimeColorNameLookup[34] = '4-gray'; 1232 $QuicktimeColorNameLookup[36] = '16-gray'; 1233 $QuicktimeColorNameLookup[40] = '256-gray'; 1234 } 1235 return (isset($QuicktimeColorNameLookup[$colordepthid]) ? $QuicktimeColorNameLookup[$colordepthid] : 'invalid'); 1236 } 1237 1238 function CopyToAppropriateCommentsSection($keyname, $data, &$ThisFileInfo) { 1239 static $handyatomtranslatorarray = array(); 1240 if (empty($handyatomtranslatorarray)) { 1241 $handyatomtranslatorarray['©cpy'] = 'copyright'; 1242 $handyatomtranslatorarray['©day'] = 'creation_date'; 1243 $handyatomtranslatorarray['©dir'] = 'director'; 1244 $handyatomtranslatorarray['©ed1'] = 'edit1'; 1245 $handyatomtranslatorarray['©ed2'] = 'edit2'; 1246 $handyatomtranslatorarray['©ed3'] = 'edit3'; 1247 $handyatomtranslatorarray['©ed4'] = 'edit4'; 1248 $handyatomtranslatorarray['©ed5'] = 'edit5'; 1249 $handyatomtranslatorarray['©ed6'] = 'edit6'; 1250 $handyatomtranslatorarray['©ed7'] = 'edit7'; 1251 $handyatomtranslatorarray['©ed8'] = 'edit8'; 1252 $handyatomtranslatorarray['©ed9'] = 'edit9'; 1253 $handyatomtranslatorarray['©fmt'] = 'format'; 1254 $handyatomtranslatorarray['©inf'] = 'information'; 1255 $handyatomtranslatorarray['©prd'] = 'producer'; 1256 $handyatomtranslatorarray['©prf'] = 'performers'; 1257 $handyatomtranslatorarray['©req'] = 'system_requirements'; 1258 $handyatomtranslatorarray['©src'] = 'source_credit'; 1259 $handyatomtranslatorarray['©wrt'] = 'writer'; 1260 1261 // http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt 1262 $handyatomtranslatorarray['©nam'] = 'title'; 1263 $handyatomtranslatorarray['©cmt'] = 'comment'; 1264 $handyatomtranslatorarray['©wrn'] = 'warning'; 1265 $handyatomtranslatorarray['©hst'] = 'host_computer'; 1266 $handyatomtranslatorarray['©mak'] = 'make'; 1267 $handyatomtranslatorarray['©mod'] = 'model'; 1268 $handyatomtranslatorarray['©PRD'] = 'product'; 1269 $handyatomtranslatorarray['©swr'] = 'software'; 1270 $handyatomtranslatorarray['©aut'] = 'author'; 1271 $handyatomtranslatorarray['©ART'] = 'artist'; 1272 $handyatomtranslatorarray['©trk'] = 'track'; 1273 $handyatomtranslatorarray['©alb'] = 'album'; 1274 $handyatomtranslatorarray['©com'] = 'comment'; 1275 $handyatomtranslatorarray['©gen'] = 'genre'; 1276 $handyatomtranslatorarray['©ope'] = 'composer'; 1277 $handyatomtranslatorarray['©url'] = 'url'; 1278 $handyatomtranslatorarray['©enc'] = 'encoder'; 1279 } 1280 if (isset($handyatomtranslatorarray[$keyname])) { 1281 $ThisFileInfo['quicktime']['comments'][$handyatomtranslatorarray[$keyname]][] = $data; 1282 } 1283 1284 return true; 1285 } 1286 1287 function NoNullString($nullterminatedstring) { 1288 // remove the single null terminator on null terminated strings 1289 if (substr($nullterminatedstring, strlen($nullterminatedstring) - 1, 1) === "\x00") { 1290 return substr($nullterminatedstring, 0, strlen($nullterminatedstring) - 1); 1291 } 1292 return $nullterminatedstring; 1293 } 1294 1295 function Pascal2String($pascalstring) { 1296 // Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string 1297 return substr($pascalstring, 1); 1298 } 1299 1300 } 1301 1302 ?>
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| Généré le : Mon Nov 26 21:04:15 2007 | par Balluche grâce à PHPXref 0.7 |
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