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annotate e2gallerypro/e2upload/Backend/Assets/getid3/module.audio-video.quicktime.php @ 8:1b77e8657088 judyates

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[svn r9] saving for transference to cd
author rlm
date Fri, 19 Mar 2010 07:17:36 -0400
parents 3f6b44aa6b35
children
rev   line source
rlm@3 1 <?php
rlm@3 2 // +----------------------------------------------------------------------+
rlm@3 3 // | PHP version 5 |
rlm@3 4 // +----------------------------------------------------------------------+
rlm@3 5 // | Copyright (c) 2002-2006 James Heinrich, Allan Hansen |
rlm@3 6 // +----------------------------------------------------------------------+
rlm@3 7 // | This source file is subject to version 2 of the GPL license, |
rlm@3 8 // | that is bundled with this package in the file license.txt and is |
rlm@3 9 // | available through the world-wide-web at the following url: |
rlm@3 10 // | http://www.gnu.org/copyleft/gpl.html |
rlm@3 11 // +----------------------------------------------------------------------+
rlm@3 12 // | getID3() - http://getid3.sourceforge.net or http://www.getid3.org |
rlm@3 13 // +----------------------------------------------------------------------+
rlm@3 14 // | Authors: James Heinrich <infoØgetid3*org> |
rlm@3 15 // | Allan Hansen <ahØartemis*dk> |
rlm@3 16 // +----------------------------------------------------------------------+
rlm@3 17 // | module.audio-video.quicktime.php |
rlm@3 18 // | Module for analyzing Quicktime, MP3-in-MP4 and Apple Lossless files. |
rlm@3 19 // | dependencies: module.audio.mp3.php |
rlm@3 20 // | zlib support in PHP (optional) |
rlm@3 21 // +----------------------------------------------------------------------+
rlm@3 22 //
rlm@3 23 // $Id: module.audio-video.quicktime.php,v 1.7 2006/11/02 16:03:28 ah Exp $
rlm@3 24
rlm@3 25
rlm@3 26
rlm@3 27 class getid3_quicktime extends getid3_handler
rlm@3 28 {
rlm@3 29
rlm@3 30 public function Analyze() {
rlm@3 31
rlm@3 32 $getid3 = $this->getid3;
rlm@3 33
rlm@3 34 $info = &$getid3->info;
rlm@3 35
rlm@3 36 $getid3->include_module('audio.mp3');
rlm@3 37
rlm@3 38 $info['quicktime'] = array ();
rlm@3 39 $info_quicktime = &$info['quicktime'];
rlm@3 40
rlm@3 41 $info['fileformat'] = 'quicktime';
rlm@3 42 $info_quicktime['hinting'] = false;
rlm@3 43
rlm@3 44 fseek($getid3->fp, $info['avdataoffset'], SEEK_SET);
rlm@3 45
rlm@3 46 $offset = $atom_counter = 0;
rlm@3 47
rlm@3 48 while ($offset < $info['avdataend']) {
rlm@3 49
rlm@3 50 fseek($getid3->fp, $offset, SEEK_SET);
rlm@3 51 $atom_header = fread($getid3->fp, 8);
rlm@3 52
rlm@3 53 $atom_size = getid3_lib::BigEndian2Int(substr($atom_header, 0, 4));
rlm@3 54 $atom_name = substr($atom_header, 4, 4);
rlm@3 55
rlm@3 56 $info_quicktime[$atom_name]['name'] = $atom_name;
rlm@3 57 $info_quicktime[$atom_name]['size'] = $atom_size;
rlm@3 58 $info_quicktime[$atom_name]['offset'] = $offset;
rlm@3 59
rlm@3 60 if (($offset + $atom_size) > $info['avdataend']) {
rlm@3 61 throw new getid3_exception('Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atom_size.' bytes)');
rlm@3 62 }
rlm@3 63
rlm@3 64 if ($atom_size == 0) {
rlm@3 65 // Furthermore, for historical reasons the list of atoms is optionally
rlm@3 66 // terminated by a 32-bit integer set to 0. If you are writing a program
rlm@3 67 // to read user data atoms, you should allow for the terminating 0.
rlm@3 68 break;
rlm@3 69 }
rlm@3 70
rlm@3 71 switch ($atom_name) {
rlm@3 72
rlm@3 73 case 'mdat': // Media DATa atom
rlm@3 74 // 'mdat' contains the actual data for the audio/video
rlm@3 75 if (($atom_size > 8) && (!isset($info['avdataend_tmp']) || ($info_quicktime[$atom_name]['size'] > ($info['avdataend_tmp'] - $info['avdataoffset'])))) {
rlm@3 76
rlm@3 77 $info['avdataoffset'] = $info_quicktime[$atom_name]['offset'] + 8;
rlm@3 78 $old_av_data_end = $info['avdataend'];
rlm@3 79 $info['avdataend'] = $info_quicktime[$atom_name]['offset'] + $info_quicktime[$atom_name]['size'];
rlm@3 80
rlm@3 81
rlm@3 82 //// MP3
rlm@3 83
rlm@3 84 if (!$getid3->include_module_optional('audio.mp3')) {
rlm@3 85 $getid3->warning('MP3 skipped because mpeg module is missing.');
rlm@3 86 }
rlm@3 87
rlm@3 88 else {
rlm@3 89
rlm@3 90 // Clone getid3 - messing with offsets - better safe than sorry
rlm@3 91 $clone = clone $getid3;
rlm@3 92
rlm@3 93 if (getid3_mp3::MPEGaudioHeaderValid(getid3_mp3::MPEGaudioHeaderDecode(fread($clone->fp, 4)))) {
rlm@3 94
rlm@3 95 $mp3 = new getid3_mp3($clone);
rlm@3 96 $mp3->AnalyzeMPEGaudioInfo();
rlm@3 97
rlm@3 98 // Import from clone and destroy
rlm@3 99 if (isset($clone->info['mpeg']['audio'])) {
rlm@3 100
rlm@3 101 $info['mpeg']['audio'] = $clone->info['mpeg']['audio'];
rlm@3 102
rlm@3 103 $info['audio']['dataformat'] = 'mp3';
rlm@3 104 $info['audio']['codec'] = (!empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' :'mp3')));
rlm@3 105 $info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate'];
rlm@3 106 $info['audio']['channels'] = $info['mpeg']['audio']['channels'];
rlm@3 107 $info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate'];
rlm@3 108 $info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
rlm@3 109 $info['bitrate'] = $info['audio']['bitrate'];
rlm@3 110
rlm@3 111 $getid3->warning($clone->warnings());
rlm@3 112 unset($clone);
rlm@3 113 }
rlm@3 114 }
rlm@3 115 }
rlm@3 116
rlm@3 117 $info['avdataend'] = $old_av_data_end;
rlm@3 118 unset($old_av_data_end);
rlm@3 119
rlm@3 120 }
rlm@3 121 break;
rlm@3 122
rlm@3 123
rlm@3 124 case 'free': // FREE space atom
rlm@3 125 case 'skip': // SKIP atom
rlm@3 126 case 'wide': // 64-bit expansion placeholder atom
rlm@3 127 // 'free', 'skip' and 'wide' are just padding, contains no useful data at all
rlm@3 128 break;
rlm@3 129
rlm@3 130
rlm@3 131 default:
rlm@3 132 $atom_hierarchy = array ();
rlm@3 133 $info_quicktime[$atom_name] = $this->QuicktimeParseAtom($atom_name, $atom_size, fread($getid3->fp, $atom_size), $offset, $atom_hierarchy);
rlm@3 134 break;
rlm@3 135 }
rlm@3 136
rlm@3 137 $offset += $atom_size;
rlm@3 138 $atom_counter++;
rlm@3 139 }
rlm@3 140
rlm@3 141 if (!empty($info['avdataend_tmp'])) {
rlm@3 142 // this value is assigned to a temp value and then erased because
rlm@3 143 // otherwise any atoms beyond the 'mdat' atom would not get parsed
rlm@3 144 $info['avdataend'] = $info['avdataend_tmp'];
rlm@3 145 unset($info['avdataend_tmp']);
rlm@3 146 }
rlm@3 147
rlm@3 148 if (!isset($info['bitrate']) && isset($info['playtime_seconds'])) {
rlm@3 149 $info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
rlm@3 150 }
rlm@3 151
rlm@3 152 if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info_quicktime['video'])) {
rlm@3 153 $info['audio']['bitrate'] = $info['bitrate'];
rlm@3 154 }
rlm@3 155
rlm@3 156 if ((@$info['audio']['dataformat'] == 'mp4') && empty($info['video']['resolution_x'])) {
rlm@3 157 $info['fileformat'] = 'mp4';
rlm@3 158 $info['mime_type'] = 'audio/mp4';
rlm@3 159 unset($info['video']['dataformat']);
rlm@3 160 }
rlm@3 161
rlm@3 162 if (!$getid3->option_extra_info) {
rlm@3 163 unset($info_quicktime['moov']);
rlm@3 164 }
rlm@3 165
rlm@3 166 if (empty($info['audio']['dataformat']) && !empty($info_quicktime['audio'])) {
rlm@3 167 $info['audio']['dataformat'] = 'quicktime';
rlm@3 168 }
rlm@3 169
rlm@3 170 if (empty($info['video']['dataformat']) && !empty($info_quicktime['video'])) {
rlm@3 171 $info['video']['dataformat'] = 'quicktime';
rlm@3 172 }
rlm@3 173
rlm@3 174 return true;
rlm@3 175 }
rlm@3 176
rlm@3 177
rlm@3 178
rlm@3 179 private function QuicktimeParseAtom($atom_name, $atom_size, $atom_data, $base_offset, &$atom_hierarchy) {
rlm@3 180
rlm@3 181 // http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm
rlm@3 182
rlm@3 183 $getid3 = $this->getid3;
rlm@3 184
rlm@3 185 $info = &$getid3->info;
rlm@3 186 $info_quicktime = &$info['quicktime'];
rlm@3 187
rlm@3 188 array_push($atom_hierarchy, $atom_name);
rlm@3 189 $atom_structure['hierarchy'] = implode(' ', $atom_hierarchy);
rlm@3 190 $atom_structure['name'] = $atom_name;
rlm@3 191 $atom_structure['size'] = $atom_size;
rlm@3 192 $atom_structure['offset'] = $base_offset;
rlm@3 193
rlm@3 194 switch ($atom_name) {
rlm@3 195 case 'moov': // MOVie container atom
rlm@3 196 case 'trak': // TRAcK container atom
rlm@3 197 case 'clip': // CLIPping container atom
rlm@3 198 case 'matt': // track MATTe container atom
rlm@3 199 case 'edts': // EDiTS container atom
rlm@3 200 case 'tref': // Track REFerence container atom
rlm@3 201 case 'mdia': // MeDIA container atom
rlm@3 202 case 'minf': // Media INFormation container atom
rlm@3 203 case 'dinf': // Data INFormation container atom
rlm@3 204 case 'udta': // User DaTA container atom
rlm@3 205 case 'stbl': // Sample TaBLe container atom
rlm@3 206 case 'cmov': // Compressed MOVie container atom
rlm@3 207 case 'rmra': // Reference Movie Record Atom
rlm@3 208 case 'rmda': // Reference Movie Descriptor Atom
rlm@3 209 case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR)
rlm@3 210 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $base_offset + 8, $atom_hierarchy);
rlm@3 211 break;
rlm@3 212
rlm@3 213
rlm@3 214 case '©cpy':
rlm@3 215 case '©day':
rlm@3 216 case '©dir':
rlm@3 217 case '©ed1':
rlm@3 218 case '©ed2':
rlm@3 219 case '©ed3':
rlm@3 220 case '©ed4':
rlm@3 221 case '©ed5':
rlm@3 222 case '©ed6':
rlm@3 223 case '©ed7':
rlm@3 224 case '©ed8':
rlm@3 225 case '©ed9':
rlm@3 226 case '©fmt':
rlm@3 227 case '©inf':
rlm@3 228 case '©prd':
rlm@3 229 case '©prf':
rlm@3 230 case '©req':
rlm@3 231 case '©src':
rlm@3 232 case '©wrt':
rlm@3 233 case '©nam':
rlm@3 234 case '©cmt':
rlm@3 235 case '©wrn':
rlm@3 236 case '©hst':
rlm@3 237 case '©mak':
rlm@3 238 case '©mod':
rlm@3 239 case '©PRD':
rlm@3 240 case '©swr':
rlm@3 241 case '©aut':
rlm@3 242 case '©ART':
rlm@3 243 case '©trk':
rlm@3 244 case '©alb':
rlm@3 245 case '©com':
rlm@3 246 case '©gen':
rlm@3 247 case '©ope':
rlm@3 248 case '©url':
rlm@3 249 case '©enc':
rlm@3 250 $atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
rlm@3 251 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2));
rlm@3 252 $atom_structure['data'] = substr($atom_data, 4);
rlm@3 253
rlm@3 254 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
rlm@3 255 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
rlm@3 256 $info['comments']['language'][] = $atom_structure['language'];
rlm@3 257 }
rlm@3 258 $this->CopyToAppropriateCommentsSection($atom_name, $atom_structure['data']);
rlm@3 259 break;
rlm@3 260
rlm@3 261
rlm@3 262 case 'play': // auto-PLAY atom
rlm@3 263 $atom_structure['autoplay'] = (bool)getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
rlm@3 264
rlm@3 265 $info_quicktime['autoplay'] = $atom_structure['autoplay'];
rlm@3 266 break;
rlm@3 267
rlm@3 268
rlm@3 269 case 'WLOC': // Window LOCation atom
rlm@3 270 $atom_structure['location_x'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
rlm@3 271 $atom_structure['location_y'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2));
rlm@3 272 break;
rlm@3 273
rlm@3 274
rlm@3 275 case 'LOOP': // LOOPing atom
rlm@3 276 case 'SelO': // play SELection Only atom
rlm@3 277 case 'AllF': // play ALL Frames atom
rlm@3 278 $atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data);
rlm@3 279 break;
rlm@3 280
rlm@3 281
rlm@3 282 case 'name': //
rlm@3 283 case 'MCPS': // Media Cleaner PRo
rlm@3 284 case '@PRM': // adobe PReMiere version
rlm@3 285 case '@PRQ': // adobe PRemiere Quicktime version
rlm@3 286 $atom_structure['data'] = $atom_data;
rlm@3 287 break;
rlm@3 288
rlm@3 289
rlm@3 290 case 'cmvd': // Compressed MooV Data atom
rlm@3 291 // Code by ubergeekØubergeek*tv based on information from
rlm@3 292 // http://developer.apple.com/quicktime/icefloe/dispatch012.html
rlm@3 293 $atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
rlm@3 294
rlm@3 295 $compressed_file_data = substr($atom_data, 4);
rlm@3 296 if (!function_exists('gzuncompress')) {
rlm@3 297 $getid3->warning('PHP does not have zlib support - cannot decompress MOV atom at offset '.$atom_structure['offset']);
rlm@3 298 }
rlm@3 299 elseif ($uncompressed_header = @gzuncompress($compressed_file_data)) {
rlm@3 300 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($uncompressed_header, 0, $atom_hierarchy);
rlm@3 301 } else {
rlm@3 302 $getid3->warning('Error decompressing compressed MOV atom at offset '.$atom_structure['offset']);
rlm@3 303 }
rlm@3 304 break;
rlm@3 305
rlm@3 306
rlm@3 307 case 'dcom': // Data COMpression atom
rlm@3 308 $atom_structure['compression_id'] = $atom_data;
rlm@3 309 $atom_structure['compression_text'] = getid3_quicktime::QuicktimeDCOMLookup($atom_data);
rlm@3 310 break;
rlm@3 311
rlm@3 312
rlm@3 313 case 'rdrf': // Reference movie Data ReFerence atom
rlm@3 314 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 315 array (
rlm@3 316 'version' => 1,
rlm@3 317 'flags_raw' => 3,
rlm@3 318 'reference_type_name' => -4,
rlm@3 319 'reference_length' => 4,
rlm@3 320 )
rlm@3 321 );
rlm@3 322
rlm@3 323 $atom_structure['flags']['internal_data'] = (bool)($atom_structure['flags_raw'] & 0x000001);
rlm@3 324
rlm@3 325 switch ($atom_structure['reference_type_name']) {
rlm@3 326 case 'url ':
rlm@3 327 $atom_structure['url'] = $this->NoNullString(substr($atom_data, 12));
rlm@3 328 break;
rlm@3 329
rlm@3 330 case 'alis':
rlm@3 331 $atom_structure['file_alias'] = substr($atom_data, 12);
rlm@3 332 break;
rlm@3 333
rlm@3 334 case 'rsrc':
rlm@3 335 $atom_structure['resource_alias'] = substr($atom_data, 12);
rlm@3 336 break;
rlm@3 337
rlm@3 338 default:
rlm@3 339 $atom_structure['data'] = substr($atom_data, 12);
rlm@3 340 break;
rlm@3 341 }
rlm@3 342 break;
rlm@3 343
rlm@3 344
rlm@3 345 case 'rmqu': // Reference Movie QUality atom
rlm@3 346 $atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data);
rlm@3 347 break;
rlm@3 348
rlm@3 349
rlm@3 350 case 'rmcs': // Reference Movie Cpu Speed atom
rlm@3 351 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 352 array (
rlm@3 353 'version' => 1,
rlm@3 354 'flags_raw' => 3, // hardcoded: 0x0000
rlm@3 355 'cpu_speed_rating' => 2
rlm@3 356 )
rlm@3 357 );
rlm@3 358 break;
rlm@3 359
rlm@3 360
rlm@3 361 case 'rmvc': // Reference Movie Version Check atom
rlm@3 362 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 363 array (
rlm@3 364 'version' => 1,
rlm@3 365 'flags_raw' => 3, // hardcoded: 0x0000
rlm@3 366 'gestalt_selector' => -4,
rlm@3 367 'gestalt_value_mask' => 4,
rlm@3 368 'gestalt_value' => 4,
rlm@3 369 'gestalt_check_type' => 2
rlm@3 370 )
rlm@3 371 );
rlm@3 372 break;
rlm@3 373
rlm@3 374
rlm@3 375 case 'rmcd': // Reference Movie Component check atom
rlm@3 376 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 377 array (
rlm@3 378 'version' => 1,
rlm@3 379 'flags_raw' => 3, // hardcoded: 0x0000
rlm@3 380 'component_type' => -4,
rlm@3 381 'component_subtype' => -4,
rlm@3 382 'component_manufacturer' => -4,
rlm@3 383 'component_flags_raw' => 4,
rlm@3 384 'component_flags_mask' => 4,
rlm@3 385 'component_min_version' => 4
rlm@3 386 )
rlm@3 387 );
rlm@3 388 break;
rlm@3 389
rlm@3 390
rlm@3 391 case 'rmdr': // Reference Movie Data Rate atom
rlm@3 392 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 393 array (
rlm@3 394 'version' => 1,
rlm@3 395 'flags_raw' => 3, // hardcoded: 0x0000
rlm@3 396 'data_rate' => 4
rlm@3 397 )
rlm@3 398 );
rlm@3 399
rlm@3 400 $atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10;
rlm@3 401 break;
rlm@3 402
rlm@3 403
rlm@3 404 case 'rmla': // Reference Movie Language Atom
rlm@3 405 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 406 array (
rlm@3 407 'version' => 1,
rlm@3 408 'flags_raw' => 3, // hardcoded: 0x0000
rlm@3 409 'language_id' => 2
rlm@3 410 )
rlm@3 411 );
rlm@3 412
rlm@3 413 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
rlm@3 414 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
rlm@3 415 $info['comments']['language'][] = $atom_structure['language'];
rlm@3 416 }
rlm@3 417 break;
rlm@3 418
rlm@3 419
rlm@3 420 case 'rmla': // Reference Movie Language Atom
rlm@3 421 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 422 array (
rlm@3 423 'version' => 1,
rlm@3 424 'flags_raw' => 3, // hardcoded: 0x0000
rlm@3 425 'track_id' => 2
rlm@3 426 )
rlm@3 427 );
rlm@3 428 break;
rlm@3 429
rlm@3 430
rlm@3 431 case 'ptv ': // Print To Video - defines a movie's full screen mode
rlm@3 432 // http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm
rlm@3 433 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 434 array (
rlm@3 435 'display_size_raw' => 2,
rlm@3 436 'reserved_1' => 2, // hardcoded: 0x0000
rlm@3 437 'reserved_2' => 2, // hardcoded: 0x0000
rlm@3 438 'slide_show_flag' => 1,
rlm@3 439 'play_on_open_flag' => 1
rlm@3 440 )
rlm@3 441 );
rlm@3 442
rlm@3 443 $atom_structure['flags']['play_on_open'] = (bool)$atom_structure['play_on_open_flag'];
rlm@3 444 $atom_structure['flags']['slide_show'] = (bool)$atom_structure['slide_show_flag'];
rlm@3 445
rlm@3 446 $ptv_lookup[0] = 'normal';
rlm@3 447 $ptv_lookup[1] = 'double';
rlm@3 448 $ptv_lookup[2] = 'half';
rlm@3 449 $ptv_lookup[3] = 'full';
rlm@3 450 $ptv_lookup[4] = 'current';
rlm@3 451 if (isset($ptv_lookup[$atom_structure['display_size_raw']])) {
rlm@3 452 $atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']];
rlm@3 453 } else {
rlm@3 454 $getid3->warning('unknown "ptv " display constant ('.$atom_structure['display_size_raw'].')');
rlm@3 455 }
rlm@3 456 break;
rlm@3 457
rlm@3 458
rlm@3 459 case 'stsd': // Sample Table Sample Description atom
rlm@3 460 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 461 array (
rlm@3 462 'version' => 1,
rlm@3 463 'flags_raw' => 3, // hardcoded: 0x0000
rlm@3 464 'number_entries' => 4
rlm@3 465 )
rlm@3 466 );
rlm@3 467 $stsd_entries_data_offset = 8;
rlm@3 468 for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
rlm@3 469
rlm@3 470 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure['sample_description_table'][$i], $atom_data, $stsd_entries_data_offset,
rlm@3 471 array (
rlm@3 472 'size' => 4,
rlm@3 473 'data_format' => -4,
rlm@3 474 'reserved' => 6,
rlm@3 475 'reference_index' => 2
rlm@3 476 )
rlm@3 477 );
rlm@3 478
rlm@3 479 $atom_structure['sample_description_table'][$i]['data'] = substr($atom_data, 16+$stsd_entries_data_offset, ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2));
rlm@3 480 $stsd_entries_data_offset += 16 + ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2);
rlm@3 481
rlm@3 482 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure['sample_description_table'][$i], $atom_structure['sample_description_table'][$i]['data'], 0,
rlm@3 483 array (
rlm@3 484 'encoder_version' => 2,
rlm@3 485 'encoder_revision' => 2,
rlm@3 486 'encoder_vendor' => -4
rlm@3 487 )
rlm@3 488 );
rlm@3 489
rlm@3 490 switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) {
rlm@3 491
rlm@3 492 case "\x00\x00\x00\x00":
rlm@3 493 // audio atom
rlm@3 494 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure['sample_description_table'][$i], $atom_structure['sample_description_table'][$i]['data'], 8,
rlm@3 495 array (
rlm@3 496 'audio_channels' => 2,
rlm@3 497 'audio_bit_depth' => 2,
rlm@3 498 'audio_compression_id' => 2,
rlm@3 499 'audio_packet_size' => 2
rlm@3 500 )
rlm@3 501 );
rlm@3 502
rlm@3 503 $atom_structure['sample_description_table'][$i]['audio_sample_rate'] = getid3_quicktime::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16, 4));
rlm@3 504
rlm@3 505 switch ($atom_structure['sample_description_table'][$i]['data_format']) {
rlm@3 506
rlm@3 507 case 'mp4v':
rlm@3 508 $info['fileformat'] = 'mp4';
rlm@3 509 throw new getid3_exception('This version of getID3() does not fully support MPEG-4 audio/video streams');
rlm@3 510
rlm@3 511 case 'qtvr':
rlm@3 512 $info['video']['dataformat'] = 'quicktimevr';
rlm@3 513 break;
rlm@3 514
rlm@3 515 case 'mp4a':
rlm@3 516 default:
rlm@3 517 $info_quicktime['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']);
rlm@3 518 $info_quicktime['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate'];
rlm@3 519 $info_quicktime['audio']['channels'] = $atom_structure['sample_description_table'][$i]['audio_channels'];
rlm@3 520 $info_quicktime['audio']['bit_depth'] = $atom_structure['sample_description_table'][$i]['audio_bit_depth'];
rlm@3 521 $info['audio']['codec'] = $info_quicktime['audio']['codec'];
rlm@3 522 $info['audio']['sample_rate'] = $info_quicktime['audio']['sample_rate'];
rlm@3 523 $info['audio']['channels'] = $info_quicktime['audio']['channels'];
rlm@3 524 $info['audio']['bits_per_sample'] = $info_quicktime['audio']['bit_depth'];
rlm@3 525 switch ($atom_structure['sample_description_table'][$i]['data_format']) {
rlm@3 526 case 'raw ': // PCM
rlm@3 527 case 'alac': // Apple Lossless Audio Codec
rlm@3 528 $info['audio']['lossless'] = true;
rlm@3 529 break;
rlm@3 530 default:
rlm@3 531 $info['audio']['lossless'] = false;
rlm@3 532 break;
rlm@3 533 }
rlm@3 534 break;
rlm@3 535 }
rlm@3 536 break;
rlm@3 537
rlm@3 538 default:
rlm@3 539 switch ($atom_structure['sample_description_table'][$i]['data_format']) {
rlm@3 540 case 'mp4s':
rlm@3 541 $info['fileformat'] = 'mp4';
rlm@3 542 break;
rlm@3 543
rlm@3 544 default:
rlm@3 545 // video atom
rlm@3 546 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure['sample_description_table'][$i], $atom_structure['sample_description_table'][$i]['data'], 8,
rlm@3 547 array (
rlm@3 548 'video_temporal_quality' => 4,
rlm@3 549 'video_spatial_quality' => 4,
rlm@3 550 'video_frame_width' => 2,
rlm@3 551 'video_frame_height' => 2
rlm@3 552 )
rlm@3 553 );
rlm@3 554 $atom_structure['sample_description_table'][$i]['video_resolution_x'] = getid3_quicktime::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20, 4));
rlm@3 555 $atom_structure['sample_description_table'][$i]['video_resolution_y'] = getid3_quicktime::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4));
rlm@3 556 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure['sample_description_table'][$i], $atom_structure['sample_description_table'][$i]['data'], 28,
rlm@3 557 array (
rlm@3 558 'video_data_size' => 4,
rlm@3 559 'video_frame_count' => 2,
rlm@3 560 'video_encoder_name_len' => 1
rlm@3 561 )
rlm@3 562 );
rlm@3 563 $atom_structure['sample_description_table'][$i]['video_encoder_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']);
rlm@3 564 $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66, 2));
rlm@3 565 $atom_structure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68, 2));
rlm@3 566
rlm@3 567 $atom_structure['sample_description_table'][$i]['video_pixel_color_type'] = (($atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color');
rlm@3 568 $atom_structure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']);
rlm@3 569
rlm@3 570 if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') {
rlm@3 571 $info_quicktime['video']['codec_fourcc'] = $atom_structure['sample_description_table'][$i]['data_format'];
rlm@3 572 $info_quicktime['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']);
rlm@3 573 $info_quicktime['video']['codec'] = $atom_structure['sample_description_table'][$i]['video_encoder_name'];
rlm@3 574 $info_quicktime['video']['color_depth'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'];
rlm@3 575 $info_quicktime['video']['color_depth_name'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_name'];
rlm@3 576
rlm@3 577 $info['video']['codec'] = $info_quicktime['video']['codec'];
rlm@3 578 $info['video']['bits_per_sample'] = $info_quicktime['video']['color_depth'];
rlm@3 579 }
rlm@3 580 $info['video']['lossless'] = false;
rlm@3 581 $info['video']['pixel_aspect_ratio'] = (float)1;
rlm@3 582 break;
rlm@3 583 }
rlm@3 584 break;
rlm@3 585 }
rlm@3 586 switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) {
rlm@3 587 case 'mp4a':
rlm@3 588 $info['audio']['dataformat'] = $info_quicktime['audio']['codec'] = 'mp4';
rlm@3 589 break;
rlm@3 590
rlm@3 591 case '3ivx':
rlm@3 592 case '3iv1':
rlm@3 593 case '3iv2':
rlm@3 594 $info['video']['dataformat'] = '3ivx';
rlm@3 595 break;
rlm@3 596
rlm@3 597 case 'xvid':
rlm@3 598 $info['video']['dataformat'] = 'xvid';
rlm@3 599 break;
rlm@3 600
rlm@3 601 case 'mp4v':
rlm@3 602 $info['video']['dataformat'] = 'mpeg4';
rlm@3 603 break;
rlm@3 604
rlm@3 605 case 'divx':
rlm@3 606 case 'div1':
rlm@3 607 case 'div2':
rlm@3 608 case 'div3':
rlm@3 609 case 'div4':
rlm@3 610 case 'div5':
rlm@3 611 case 'div6':
rlm@3 612 //$TDIVXileInfo['video']['dataformat'] = 'divx';
rlm@3 613 break;
rlm@3 614
rlm@3 615 default:
rlm@3 616 // do nothing
rlm@3 617 break;
rlm@3 618 }
rlm@3 619 unset($atom_structure['sample_description_table'][$i]['data']);
rlm@3 620 }
rlm@3 621 break;
rlm@3 622
rlm@3 623
rlm@3 624 case 'stts': // Sample Table Time-to-Sample atom
rlm@3 625 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 626 array (
rlm@3 627 'version' => 1,
rlm@3 628 'flags_raw' => 3, // hardcoded: 0x0000
rlm@3 629 'number_entries' => 4
rlm@3 630 )
rlm@3 631 );
rlm@3 632
rlm@3 633 $stts_entries_data_offset = 8;
rlm@3 634 $frame_rate_calculator_array = array ();
rlm@3 635 for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
rlm@3 636
rlm@3 637 $atom_structure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atom_data, $stts_entries_data_offset, 4));
rlm@3 638 $stts_entries_data_offset += 4;
rlm@3 639
rlm@3 640 $atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $stts_entries_data_offset, 4));
rlm@3 641 $stts_entries_data_offset += 4;
rlm@3 642
rlm@3 643 if (!empty($info_quicktime['time_scale']) && (@$atoms_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) {
rlm@3 644
rlm@3 645 $stts_new_framerate = $info_quicktime['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'];
rlm@3 646 if ($stts_new_framerate <= 60) {
rlm@3 647 // some atoms have durations of "1" giving a very large framerate, which probably is not right
rlm@3 648 $info['video']['frame_rate'] = max(@$info['video']['frame_rate'], $stts_new_framerate);
rlm@3 649 }
rlm@3 650 }
rlm@3 651 //@$frame_rate_calculator_array[($info_quicktime['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count'];
rlm@3 652 }
rlm@3 653 /*
rlm@3 654 $stts_frames_total = 0;
rlm@3 655 $stts_seconds_total = 0;
rlm@3 656 foreach ($frame_rate_calculator_array as $frames_per_second => $frame_count) {
rlm@3 657 if (($frames_per_second > 60) || ($frames_per_second < 1)) {
rlm@3 658 // not video FPS information, probably audio information
rlm@3 659 $stts_frames_total = 0;
rlm@3 660 $stts_seconds_total = 0;
rlm@3 661 break;
rlm@3 662 }
rlm@3 663 $stts_frames_total += $frame_count;
rlm@3 664 $stts_seconds_total += $frame_count / $frames_per_second;
rlm@3 665 }
rlm@3 666 if (($stts_frames_total > 0) && ($stts_seconds_total > 0)) {
rlm@3 667 if (($stts_frames_total / $stts_seconds_total) > @$info['video']['frame_rate']) {
rlm@3 668 $info['video']['frame_rate'] = $stts_frames_total / $stts_seconds_total;
rlm@3 669 }
rlm@3 670 }
rlm@3 671 */
rlm@3 672 break;
rlm@3 673
rlm@3 674
rlm@3 675 case 'stss': // Sample Table Sync Sample (key frames) atom
rlm@3 676 /*
rlm@3 677 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
rlm@3 678 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
rlm@3 679 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
rlm@3 680 $stss_entries_data_offset = 8;
rlm@3 681 for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
rlm@3 682 $atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stss_entries_data_offset, 4));
rlm@3 683 $stss_entries_data_offset += 4;
rlm@3 684 }
rlm@3 685 */
rlm@3 686 break;
rlm@3 687
rlm@3 688
rlm@3 689 case 'stsc': // Sample Table Sample-to-Chunk atom
rlm@3 690 /*
rlm@3 691 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
rlm@3 692 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
rlm@3 693 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
rlm@3 694 $stsc_entries_data_offset = 8;
rlm@3 695 for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
rlm@3 696 $atom_structure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsc_entries_data_offset, 4));
rlm@3 697 $stsc_entries_data_offset += 4;
rlm@3 698 $atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsc_entries_data_offset, 4));
rlm@3 699 $stsc_entries_data_offset += 4;
rlm@3 700 $atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsc_entries_data_offset, 4));
rlm@3 701 $stsc_entries_data_offset += 4;
rlm@3 702 }
rlm@3 703 */
rlm@3 704 break;
rlm@3 705
rlm@3 706
rlm@3 707 case 'stsz': // Sample Table SiZe atom
rlm@3 708 /*
rlm@3 709 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
rlm@3 710 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
rlm@3 711 $atom_structure['sample_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
rlm@3 712 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
rlm@3 713 $stsz_entries_data_offset = 12;
rlm@3 714 if ($atom_structure['sample_size'] == 0) {
rlm@3 715 for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
rlm@3 716 $atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stsz_entries_data_offset, 4));
rlm@3 717 $stsz_entries_data_offset += 4;
rlm@3 718 }
rlm@3 719 }
rlm@3 720 */
rlm@3 721 break;
rlm@3 722
rlm@3 723
rlm@3 724 case 'stco': // Sample Table Chunk Offset atom
rlm@3 725 /*
rlm@3 726 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
rlm@3 727 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
rlm@3 728 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
rlm@3 729 $stco_entries_data_offset = 8;
rlm@3 730 for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
rlm@3 731 $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stco_entries_data_offset, 4));
rlm@3 732 $stco_entries_data_offset += 4;
rlm@3 733 }
rlm@3 734 */
rlm@3 735 break;
rlm@3 736
rlm@3 737
rlm@3 738 case 'dref': // Data REFerence atom
rlm@3 739 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 740 array (
rlm@3 741 'version' => 1,
rlm@3 742 'flags_raw' => 3, // hardcoded: 0x0000
rlm@3 743 'number_entries' => 4
rlm@3 744 )
rlm@3 745 );
rlm@3 746
rlm@3 747 $dref_data_offset = 8;
rlm@3 748 for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
rlm@3 749
rlm@3 750 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure['data_references'][$i], $atom_data, $dref_data_offset,
rlm@3 751 array (
rlm@3 752 'size' => 4,
rlm@3 753 'type' => -4,
rlm@3 754 'version' => 1,
rlm@3 755 'flags_raw' => 3 // hardcoded: 0x0000
rlm@3 756 )
rlm@3 757 );
rlm@3 758 $dref_data_offset += 12;
rlm@3 759
rlm@3 760 $atom_structure['data_references'][$i]['data'] = substr($atom_data, $dref_data_offset, ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3));
rlm@3 761 $dref_data_offset += ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3);
rlm@3 762
rlm@3 763 $atom_structure['data_references'][$i]['flags']['self_reference'] = (bool)($atom_structure['data_references'][$i]['flags_raw'] & 0x001);
rlm@3 764 }
rlm@3 765 break;
rlm@3 766
rlm@3 767
rlm@3 768 case 'gmin': // base Media INformation atom
rlm@3 769 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 770 array (
rlm@3 771 'version' => 1,
rlm@3 772 'flags_raw' => 3, // hardcoded: 0x0000
rlm@3 773 'graphics_mode' => 2,
rlm@3 774 'opcolor_red' => 2,
rlm@3 775 'opcolor_green' => 2,
rlm@3 776 'opcolor_blue' => 2,
rlm@3 777 'balance' => 2,
rlm@3 778 'reserved' => 2
rlm@3 779 )
rlm@3 780 );
rlm@3 781 break;
rlm@3 782
rlm@3 783
rlm@3 784 case 'smhd': // Sound Media information HeaDer atom
rlm@3 785 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 786 array (
rlm@3 787 'version' => 1,
rlm@3 788 'flags_raw' => 3, // hardcoded: 0x0000
rlm@3 789 'balance' => 2,
rlm@3 790 'reserved' => 2
rlm@3 791 )
rlm@3 792 );
rlm@3 793 break;
rlm@3 794
rlm@3 795
rlm@3 796 case 'vmhd': // Video Media information HeaDer atom
rlm@3 797 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 798 array (
rlm@3 799 'version' => 1,
rlm@3 800 'flags_raw' => 3,
rlm@3 801 'graphics_mode' => 2,
rlm@3 802 'opcolor_red' => 2,
rlm@3 803 'opcolor_green' => 2,
rlm@3 804 'opcolor_blue' => 2
rlm@3 805 )
rlm@3 806 );
rlm@3 807 $atom_structure['flags']['no_lean_ahead'] = (bool)($atom_structure['flags_raw'] & 0x001);
rlm@3 808 break;
rlm@3 809
rlm@3 810
rlm@3 811 case 'hdlr': // HanDLeR reference atom
rlm@3 812 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 813 array (
rlm@3 814 'version' => 1,
rlm@3 815 'flags_raw' => 3, // hardcoded: 0x0000
rlm@3 816 'component_type' => -4,
rlm@3 817 'component_subtype' => -4,
rlm@3 818 'component_manufacturer' => -4,
rlm@3 819 'component_flags_raw' => 4,
rlm@3 820 'component_flags_mask' => 4
rlm@3 821 )
rlm@3 822 );
rlm@3 823
rlm@3 824 $atom_structure['component_name'] = substr(substr($atom_data, 24), 1); /// Pascal2String
rlm@3 825
rlm@3 826 if (($atom_structure['component_subtype'] == 'STpn') && ($atom_structure['component_manufacturer'] == 'zzzz')) {
rlm@3 827 $info['video']['dataformat'] = 'quicktimevr';
rlm@3 828 }
rlm@3 829 break;
rlm@3 830
rlm@3 831
rlm@3 832 case 'mdhd': // MeDia HeaDer atom
rlm@3 833 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 834 array (
rlm@3 835 'version' => 1,
rlm@3 836 'flags_raw' => 3, // hardcoded: 0x0000
rlm@3 837 'creation_time' => 4,
rlm@3 838 'modify_time' => 4,
rlm@3 839 'time_scale' => 4,
rlm@3 840 'duration' => 4,
rlm@3 841 'language_id' => 2,
rlm@3 842 'quality' => 2
rlm@3 843 )
rlm@3 844 );
rlm@3 845
rlm@3 846 if ($atom_structure['time_scale'] == 0) {
rlm@3 847 throw new getid3_exception('Corrupt Quicktime file: mdhd.time_scale == zero');
rlm@3 848 }
rlm@3 849 $info_quicktime['time_scale'] = max(@$info['quicktime']['time_scale'], $atom_structure['time_scale']);
rlm@3 850
rlm@3 851 $atom_structure['creation_time_unix'] = (int)($atom_structure['creation_time'] - 2082844800); // DateMac2Unix()
rlm@3 852 $atom_structure['modify_time_unix'] = (int)($atom_structure['modify_time'] - 2082844800); // DateMac2Unix()
rlm@3 853 $atom_structure['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale'];
rlm@3 854 $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
rlm@3 855 if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
rlm@3 856 $info['comments']['language'][] = $atom_structure['language'];
rlm@3 857 }
rlm@3 858 break;
rlm@3 859
rlm@3 860
rlm@3 861 case 'pnot': // Preview atom
rlm@3 862 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 863 array (
rlm@3 864 'modification_date' => 4, // "standard Macintosh format"
rlm@3 865 'version_number' => 2, // hardcoded: 0x00
rlm@3 866 'atom_type' => -4, // usually: 'PICT'
rlm@3 867 'atom_index' => 2 // usually: 0x01
rlm@3 868 )
rlm@3 869 );
rlm@3 870 $atom_structure['modification_date_unix'] = (int)($atom_structure['modification_date'] - 2082844800); // DateMac2Unix()
rlm@3 871 break;
rlm@3 872
rlm@3 873
rlm@3 874 case 'crgn': // Clipping ReGioN atom
rlm@3 875 $atom_structure['region_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); // The Region size, Region boundary box,
rlm@3 876 $atom_structure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 8)); // and Clipping region data fields
rlm@3 877 $atom_structure['clipping_data'] = substr($atom_data, 10); // constitute a QuickDraw region.
rlm@3 878 break;
rlm@3 879
rlm@3 880
rlm@3 881 case 'load': // track LOAD settings atom
rlm@3 882 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 883 array (
rlm@3 884 'preload_start_time' => 4,
rlm@3 885 'preload_duration' => 4,
rlm@3 886 'preload_flags_raw' => 4,
rlm@3 887 'default_hints_raw' => 4
rlm@3 888 )
rlm@3 889 );
rlm@3 890
rlm@3 891 $atom_structure['default_hints']['double_buffer'] = (bool)($atom_structure['default_hints_raw'] & 0x0020);
rlm@3 892 $atom_structure['default_hints']['high_quality'] = (bool)($atom_structure['default_hints_raw'] & 0x0100);
rlm@3 893 break;
rlm@3 894
rlm@3 895
rlm@3 896 case 'tmcd': // TiMe CoDe atom
rlm@3 897 case 'chap': // CHAPter list atom
rlm@3 898 case 'sync': // SYNChronization atom
rlm@3 899 case 'scpt': // tranSCriPT atom
rlm@3 900 case 'ssrc': // non-primary SouRCe atom
rlm@3 901 for ($i = 0; $i < (strlen($atom_data) % 4); $i++) {
rlm@3 902 $atom_structure['track_id'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $i * 4, 4));
rlm@3 903 }
rlm@3 904 break;
rlm@3 905
rlm@3 906
rlm@3 907 case 'elst': // Edit LiST atom
rlm@3 908 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 909 array (
rlm@3 910 'version' => 1,
rlm@3 911 'flags_raw' => 3, // hardcoded: 0x0000
rlm@3 912 'number_entries' => 4
rlm@3 913 )
rlm@3 914 );
rlm@3 915
rlm@3 916 for ($i = 0; $i < $atom_structure['number_entries']; $i++ ) {
rlm@3 917 $atom_structure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 0, 4));
rlm@3 918 $atom_structure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 4, 4));
rlm@3 919 $atom_structure['edit_list'][$i]['media_rate'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 8 + ($i * 12) + 8, 4));
rlm@3 920 }
rlm@3 921 break;
rlm@3 922
rlm@3 923
rlm@3 924 case 'kmat': // compressed MATte atom
rlm@3 925 $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
rlm@3 926 $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
rlm@3 927 $atom_structure['matte_data_raw'] = substr($atom_data, 4);
rlm@3 928 break;
rlm@3 929
rlm@3 930
rlm@3 931 case 'ctab': // Color TABle atom
rlm@3 932 $atom_structure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // hardcoded: 0x00000000
rlm@3 933 $atom_structure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x8000
rlm@3 934 $atom_structure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)) + 1;
rlm@3 935 for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) {
rlm@3 936 $atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 0, 2));
rlm@3 937 $atom_structure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 2, 2));
rlm@3 938 $atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 4, 2));
rlm@3 939 $atom_structure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 6, 2));
rlm@3 940 }
rlm@3 941 break;
rlm@3 942
rlm@3 943
rlm@3 944 case 'mvhd': // MoVie HeaDer atom
rlm@3 945 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 946 array (
rlm@3 947 'version' => 1,
rlm@3 948 'flags_raw' => 3,
rlm@3 949 'creation_time' => 4,
rlm@3 950 'modify_time' => 4,
rlm@3 951 'time_scale' => 4,
rlm@3 952 'duration' => 4
rlm@3 953 )
rlm@3 954 );
rlm@3 955
rlm@3 956 $atom_structure['preferred_rate'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 20, 4));
rlm@3 957 $atom_structure['preferred_volume'] = getid3_quicktime::FixedPoint8_8(substr($atom_data, 24, 2));
rlm@3 958 $atom_structure['reserved'] = substr($atom_data, 26, 10);
rlm@3 959 $atom_structure['matrix_a'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 36, 4));
rlm@3 960 $atom_structure['matrix_b'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 40, 4));
rlm@3 961 $atom_structure['matrix_u'] = getid3_quicktime::FixedPoint2_30(substr($atom_data, 44, 4));
rlm@3 962 $atom_structure['matrix_c'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 48, 4));
rlm@3 963 $atom_structure['matrix_d'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 52, 4));
rlm@3 964 $atom_structure['matrix_v'] = getid3_quicktime::FixedPoint2_30(substr($atom_data, 56, 4));
rlm@3 965 $atom_structure['matrix_x'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 60, 4));
rlm@3 966 $atom_structure['matrix_y'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 64, 4));
rlm@3 967 $atom_structure['matrix_w'] = getid3_quicktime::FixedPoint2_30(substr($atom_data, 68, 4));
rlm@3 968
rlm@3 969 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 72,
rlm@3 970 array (
rlm@3 971 'preview_time' => 4,
rlm@3 972 'preview_duration' => 4,
rlm@3 973 'poster_time' => 4,
rlm@3 974 'selection_time' => 4,
rlm@3 975 'selection_duration' => 4,
rlm@3 976 'current_time' => 4,
rlm@3 977 'next_track_id' => 4
rlm@3 978 )
rlm@3 979 );
rlm@3 980
rlm@3 981 if ($atom_structure['time_scale'] == 0) {
rlm@3 982 throw new getid3_exception('Corrupt Quicktime file: mvhd.time_scale == zero');
rlm@3 983 }
rlm@3 984
rlm@3 985 $atom_structure['creation_time_unix'] = (int)($atom_structure['creation_time'] - 2082844800); // DateMac2Unix()
rlm@3 986 $atom_structure['modify_time_unix'] = (int)($atom_structure['modify_time'] - 2082844800); // DateMac2Unix()
rlm@3 987 $info_quicktime['time_scale'] = max(@$info['quicktime']['time_scale'], $atom_structure['time_scale']);
rlm@3 988 $info_quicktime['display_scale'] = $atom_structure['matrix_a'];
rlm@3 989 $info['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale'];
rlm@3 990 break;
rlm@3 991
rlm@3 992
rlm@3 993 case 'tkhd': // TracK HeaDer atom
rlm@3 994 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 995 array (
rlm@3 996 'version' => 1,
rlm@3 997 'flags_raw' => 3,
rlm@3 998 'creation_time' => 4,
rlm@3 999 'modify_time' => 4,
rlm@3 1000 'trackid' => 4,
rlm@3 1001 'reserved1' => 4,
rlm@3 1002 'duration' => 4,
rlm@3 1003 'reserved2' => 8,
rlm@3 1004 'layer' => 2,
rlm@3 1005 'alternate_group' => 2
rlm@3 1006 )
rlm@3 1007 );
rlm@3 1008
rlm@3 1009 $atom_structure['volume'] = getid3_quicktime::FixedPoint8_8(substr($atom_data, 36, 2));
rlm@3 1010 $atom_structure['reserved3'] = getid3_lib::BigEndian2Int(substr($atom_data, 38, 2));
rlm@3 1011 $atom_structure['matrix_a'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 40, 4));
rlm@3 1012 $atom_structure['matrix_b'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 44, 4));
rlm@3 1013 $atom_structure['matrix_u'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 48, 4));
rlm@3 1014 $atom_structure['matrix_c'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 52, 4));
rlm@3 1015 $atom_structure['matrix_v'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 56, 4));
rlm@3 1016 $atom_structure['matrix_d'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 60, 4));
rlm@3 1017 $atom_structure['matrix_x'] = getid3_quicktime::FixedPoint2_30(substr($atom_data, 64, 4));
rlm@3 1018 $atom_structure['matrix_y'] = getid3_quicktime::FixedPoint2_30(substr($atom_data, 68, 4));
rlm@3 1019 $atom_structure['matrix_w'] = getid3_quicktime::FixedPoint2_30(substr($atom_data, 72, 4));
rlm@3 1020 $atom_structure['width'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 76, 4));
rlm@3 1021 $atom_structure['height'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 80, 4));
rlm@3 1022
rlm@3 1023 $atom_structure['flags']['enabled'] = (bool)($atom_structure['flags_raw'] & 0x0001);
rlm@3 1024 $atom_structure['flags']['in_movie'] = (bool)($atom_structure['flags_raw'] & 0x0002);
rlm@3 1025 $atom_structure['flags']['in_preview'] = (bool)($atom_structure['flags_raw'] & 0x0004);
rlm@3 1026 $atom_structure['flags']['in_poster'] = (bool)($atom_structure['flags_raw'] & 0x0008);
rlm@3 1027 $atom_structure['creation_time_unix'] = (int)($atom_structure['creation_time'] - 2082844800); // DateMac2Unix()
rlm@3 1028 $atom_structure['modify_time_unix'] = (int)($atom_structure['modify_time'] - 2082844800); // DateMac2Unix()
rlm@3 1029
rlm@3 1030 if (!isset($info['video']['resolution_x']) || !isset($info['video']['resolution_y'])) {
rlm@3 1031 $info['video']['resolution_x'] = $atom_structure['width'];
rlm@3 1032 $info['video']['resolution_y'] = $atom_structure['height'];
rlm@3 1033 }
rlm@3 1034
rlm@3 1035 if ($atom_structure['flags']['enabled'] == 1) {
rlm@3 1036 $info['video']['resolution_x'] = max($info['video']['resolution_x'], $atom_structure['width']);
rlm@3 1037 $info['video']['resolution_y'] = max($info['video']['resolution_y'], $atom_structure['height']);
rlm@3 1038 }
rlm@3 1039
rlm@3 1040 if (!empty($info['video']['resolution_x']) && !empty($info['video']['resolution_y'])) {
rlm@3 1041 $info_quicktime['video']['resolution_x'] = $info['video']['resolution_x'];
rlm@3 1042 $info_quicktime['video']['resolution_y'] = $info['video']['resolution_y'];
rlm@3 1043 } else {
rlm@3 1044 unset($info['video']['resolution_x']);
rlm@3 1045 unset($info['video']['resolution_y']);
rlm@3 1046 unset($info_quicktime['video']);
rlm@3 1047 }
rlm@3 1048 break;
rlm@3 1049
rlm@3 1050
rlm@3 1051 case 'meta': // METAdata atom
rlm@3 1052 // http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt
rlm@3 1053 $next_tag_position = strpos($atom_data, '©');
rlm@3 1054 while ($next_tag_position < strlen($atom_data)) {
rlm@3 1055 $meta_item_size = getid3_lib::BigEndian2Int(substr($atom_data, $next_tag_position - 4, 4)) - 4;
rlm@3 1056 if ($meta_item_size == -4) {
rlm@3 1057 break;
rlm@3 1058 }
rlm@3 1059 $meta_item_raw = substr($atom_data, $next_tag_position, $meta_item_size);
rlm@3 1060 $meta_item_key = substr($meta_item_raw, 0, 4);
rlm@3 1061 $meta_item_data = substr($meta_item_raw, 20);
rlm@3 1062 $next_tag_position += $meta_item_size + 4;
rlm@3 1063
rlm@3 1064 $this->CopyToAppropriateCommentsSection($meta_item_key, $meta_item_data);
rlm@3 1065 }
rlm@3 1066 break;
rlm@3 1067
rlm@3 1068 case 'ftyp': // FileTYPe (?) atom (for MP4 it seems)
rlm@3 1069 getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
rlm@3 1070 array (
rlm@3 1071 'signature' => -4,
rlm@3 1072 'unknown_1' => 4,
rlm@3 1073 'fourcc' => -4,
rlm@3 1074 )
rlm@3 1075 );
rlm@3 1076 break;
rlm@3 1077
rlm@3 1078 case 'mdat': // Media DATa atom
rlm@3 1079 case 'free': // FREE space atom
rlm@3 1080 case 'skip': // SKIP atom
rlm@3 1081 case 'wide': // 64-bit expansion placeholder atom
rlm@3 1082 // 'mdat' data is too big to deal with, contains no useful metadata
rlm@3 1083 // 'free', 'skip' and 'wide' are just padding, contains no useful data at all
rlm@3 1084
rlm@3 1085 // When writing QuickTime files, it is sometimes necessary to update an atom's size.
rlm@3 1086 // It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom
rlm@3 1087 // is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime
rlm@3 1088 // puts an 8-byte placeholder atom before any atoms it may have to update the size of.
rlm@3 1089 // In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the
rlm@3 1090 // placeholder atom can be overwritten to obtain the necessary 8 extra bytes.
rlm@3 1091 // The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ).
rlm@3 1092 break;
rlm@3 1093
rlm@3 1094
rlm@3 1095 case 'nsav': // NoSAVe atom
rlm@3 1096 // http://developer.apple.com/technotes/tn/tn2038.html
rlm@3 1097 $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
rlm@3 1098 break;
rlm@3 1099
rlm@3 1100 case 'ctyp': // Controller TYPe atom (seen on QTVR)
rlm@3 1101 // http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt
rlm@3 1102 // some controller names are:
rlm@3 1103 // 0x00 + 'std' for linear movie
rlm@3 1104 // 'none' for no controls
rlm@3 1105 $atom_structure['ctyp'] = substr($atom_data, 0, 4);
rlm@3 1106 switch ($atom_structure['ctyp']) {
rlm@3 1107 case 'qtvr':
rlm@3 1108 $info['video']['dataformat'] = 'quicktimevr';
rlm@3 1109 break;
rlm@3 1110 }
rlm@3 1111 break;
rlm@3 1112
rlm@3 1113 case 'pano': // PANOrama track (seen on QTVR)
rlm@3 1114 $atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
rlm@3 1115 break;
rlm@3 1116
rlm@3 1117 case 'hint': // HINT track
rlm@3 1118 case 'hinf': //
rlm@3 1119 case 'hinv': //
rlm@3 1120 case 'hnti': //
rlm@3 1121 $info['quicktime']['hinting'] = true;
rlm@3 1122 break;
rlm@3 1123
rlm@3 1124 case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR)
rlm@3 1125 for ($i = 0; $i < ($atom_structure['size'] - 8); $i += 4) {
rlm@3 1126 $atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4));
rlm@3 1127 }
rlm@3 1128 break;
rlm@3 1129
rlm@3 1130 case 'FXTC': // Something to do with Adobe After Effects (?)
rlm@3 1131 case 'PrmA':
rlm@3 1132 case 'code':
rlm@3 1133 case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html
rlm@3 1134 // Observed-but-not-handled atom types are just listed here
rlm@3 1135 // to prevent warnings being generated
rlm@3 1136 $atom_structure['data'] = $atom_data;
rlm@3 1137 break;
rlm@3 1138
rlm@3 1139 default:
rlm@3 1140 $getid3->warning('Unknown QuickTime atom type: "'.$atom_name.'" at offset '.$base_offset);
rlm@3 1141 $atom_structure['data'] = $atom_data;
rlm@3 1142 break;
rlm@3 1143 }
rlm@3 1144 array_pop($atom_hierarchy);
rlm@3 1145 return $atom_structure;
rlm@3 1146 }
rlm@3 1147
rlm@3 1148
rlm@3 1149
rlm@3 1150 private function QuicktimeParseContainerAtom($atom_data, $base_offset, &$atom_hierarchy) {
rlm@3 1151
rlm@3 1152 if ((strlen($atom_data) == 4) && (getid3_lib::BigEndian2Int($atom_data) == 0x00000000)) {
rlm@3 1153 return false;
rlm@3 1154 }
rlm@3 1155
rlm@3 1156 $atom_structure = false;
rlm@3 1157 $subatom_offset = 0;
rlm@3 1158
rlm@3 1159 while ($subatom_offset < strlen($atom_data)) {
rlm@3 1160
rlm@3 1161 $subatom_size = getid3_lib::BigEndian2Int(substr($atom_data, $subatom_offset + 0, 4));
rlm@3 1162 $subatom_name = substr($atom_data, $subatom_offset + 4, 4);
rlm@3 1163 $subatom_data = substr($atom_data, $subatom_offset + 8, $subatom_size - 8);
rlm@3 1164
rlm@3 1165 if ($subatom_size == 0) {
rlm@3 1166 // Furthermore, for historical reasons the list of atoms is optionally
rlm@3 1167 // terminated by a 32-bit integer set to 0. If you are writing a program
rlm@3 1168 // to read user data atoms, you should allow for the terminating 0.
rlm@3 1169 return $atom_structure;
rlm@3 1170 }
rlm@3 1171
rlm@3 1172 $atom_structure[] = $this->QuicktimeParseAtom($subatom_name, $subatom_size, $subatom_data, $base_offset + $subatom_offset, $atom_hierarchy);
rlm@3 1173
rlm@3 1174 $subatom_offset += $subatom_size;
rlm@3 1175 }
rlm@3 1176 return $atom_structure;
rlm@3 1177 }
rlm@3 1178
rlm@3 1179
rlm@3 1180
rlm@3 1181 private function CopyToAppropriateCommentsSection($key_name, $data) {
rlm@3 1182
rlm@3 1183 // http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt
rlm@3 1184
rlm@3 1185 static $translator = array (
rlm@3 1186 '©cpy' => 'copyright',
rlm@3 1187 '©day' => 'creation_date',
rlm@3 1188 '©dir' => 'director',
rlm@3 1189 '©ed1' => 'edit1',
rlm@3 1190 '©ed2' => 'edit2',
rlm@3 1191 '©ed3' => 'edit3',
rlm@3 1192 '©ed4' => 'edit4',
rlm@3 1193 '©ed5' => 'edit5',
rlm@3 1194 '©ed6' => 'edit6',
rlm@3 1195 '©ed7' => 'edit7',
rlm@3 1196 '©ed8' => 'edit8',
rlm@3 1197 '©ed9' => 'edit9',
rlm@3 1198 '©fmt' => 'format',
rlm@3 1199 '©inf' => 'information',
rlm@3 1200 '©prd' => 'producer',
rlm@3 1201 '©prf' => 'performers',
rlm@3 1202 '©req' => 'system_requirements',
rlm@3 1203 '©src' => 'source_credit',
rlm@3 1204 '©wrt' => 'writer',
rlm@3 1205 '©nam' => 'title',
rlm@3 1206 '©cmt' => 'comment',
rlm@3 1207 '©wrn' => 'warning',
rlm@3 1208 '©hst' => 'host_computer',
rlm@3 1209 '©mak' => 'make',
rlm@3 1210 '©mod' => 'model',
rlm@3 1211 '©PRD' => 'product',
rlm@3 1212 '©swr' => 'software',
rlm@3 1213 '©aut' => 'author',
rlm@3 1214 '©ART' => 'artist',
rlm@3 1215 '©trk' => 'track',
rlm@3 1216 '©alb' => 'album',
rlm@3 1217 '©com' => 'comment',
rlm@3 1218 '©gen' => 'genre',
rlm@3 1219 '©ope' => 'composer',
rlm@3 1220 '©url' => 'url',
rlm@3 1221 '©enc' => 'encoder'
rlm@3 1222 );
rlm@3 1223
rlm@3 1224 if (isset($translator[$key_name])) {
rlm@3 1225 $this->getid3->info['quicktime']['comments'][$translator[$key_name]][] = $data;
rlm@3 1226 }
rlm@3 1227
rlm@3 1228 return true;
rlm@3 1229 }
rlm@3 1230
rlm@3 1231
rlm@3 1232
rlm@3 1233 public static function QuicktimeLanguageLookup($language_id) {
rlm@3 1234
rlm@3 1235 static $lookup = array (
rlm@3 1236 0 => 'English',
rlm@3 1237 1 => 'French',
rlm@3 1238 2 => 'German',
rlm@3 1239 3 => 'Italian',
rlm@3 1240 4 => 'Dutch',
rlm@3 1241 5 => 'Swedish',
rlm@3 1242 6 => 'Spanish',
rlm@3 1243 7 => 'Danish',
rlm@3 1244 8 => 'Portuguese',
rlm@3 1245 9 => 'Norwegian',
rlm@3 1246 10 => 'Hebrew',
rlm@3 1247 11 => 'Japanese',
rlm@3 1248 12 => 'Arabic',
rlm@3 1249 13 => 'Finnish',
rlm@3 1250 14 => 'Greek',
rlm@3 1251 15 => 'Icelandic',
rlm@3 1252 16 => 'Maltese',
rlm@3 1253 17 => 'Turkish',
rlm@3 1254 18 => 'Croatian',
rlm@3 1255 19 => 'Chinese (Traditional)',
rlm@3 1256 20 => 'Urdu',
rlm@3 1257 21 => 'Hindi',
rlm@3 1258 22 => 'Thai',
rlm@3 1259 23 => 'Korean',
rlm@3 1260 24 => 'Lithuanian',
rlm@3 1261 25 => 'Polish',
rlm@3 1262 26 => 'Hungarian',
rlm@3 1263 27 => 'Estonian',
rlm@3 1264 28 => 'Lettish',
rlm@3 1265 28 => 'Latvian',
rlm@3 1266 29 => 'Saamisk',
rlm@3 1267 29 => 'Lappish',
rlm@3 1268 30 => 'Faeroese',
rlm@3 1269 31 => 'Farsi',
rlm@3 1270 31 => 'Persian',
rlm@3 1271 32 => 'Russian',
rlm@3 1272 33 => 'Chinese (Simplified)',
rlm@3 1273 34 => 'Flemish',
rlm@3 1274 35 => 'Irish',
rlm@3 1275 36 => 'Albanian',
rlm@3 1276 37 => 'Romanian',
rlm@3 1277 38 => 'Czech',
rlm@3 1278 39 => 'Slovak',
rlm@3 1279 40 => 'Slovenian',
rlm@3 1280 41 => 'Yiddish',
rlm@3 1281 42 => 'Serbian',
rlm@3 1282 43 => 'Macedonian',
rlm@3 1283 44 => 'Bulgarian',
rlm@3 1284 45 => 'Ukrainian',
rlm@3 1285 46 => 'Byelorussian',
rlm@3 1286 47 => 'Uzbek',
rlm@3 1287 48 => 'Kazakh',
rlm@3 1288 49 => 'Azerbaijani',
rlm@3 1289 50 => 'AzerbaijanAr',
rlm@3 1290 51 => 'Armenian',
rlm@3 1291 52 => 'Georgian',
rlm@3 1292 53 => 'Moldavian',
rlm@3 1293 54 => 'Kirghiz',
rlm@3 1294 55 => 'Tajiki',
rlm@3 1295 56 => 'Turkmen',
rlm@3 1296 57 => 'Mongolian',
rlm@3 1297 58 => 'MongolianCyr',
rlm@3 1298 59 => 'Pashto',
rlm@3 1299 60 => 'Kurdish',
rlm@3 1300 61 => 'Kashmiri',
rlm@3 1301 62 => 'Sindhi',
rlm@3 1302 63 => 'Tibetan',
rlm@3 1303 64 => 'Nepali',
rlm@3 1304 65 => 'Sanskrit',
rlm@3 1305 66 => 'Marathi',
rlm@3 1306 67 => 'Bengali',
rlm@3 1307 68 => 'Assamese',
rlm@3 1308 69 => 'Gujarati',
rlm@3 1309 70 => 'Punjabi',
rlm@3 1310 71 => 'Oriya',
rlm@3 1311 72 => 'Malayalam',
rlm@3 1312 73 => 'Kannada',
rlm@3 1313 74 => 'Tamil',
rlm@3 1314 75 => 'Telugu',
rlm@3 1315 76 => 'Sinhalese',
rlm@3 1316 77 => 'Burmese',
rlm@3 1317 78 => 'Khmer',
rlm@3 1318 79 => 'Lao',
rlm@3 1319 80 => 'Vietnamese',
rlm@3 1320 81 => 'Indonesian',
rlm@3 1321 82 => 'Tagalog',
rlm@3 1322 83 => 'MalayRoman',
rlm@3 1323 84 => 'MalayArabic',
rlm@3 1324 85 => 'Amharic',
rlm@3 1325 86 => 'Tigrinya',
rlm@3 1326 87 => 'Galla',
rlm@3 1327 87 => 'Oromo',
rlm@3 1328 88 => 'Somali',
rlm@3 1329 89 => 'Swahili',
rlm@3 1330 90 => 'Ruanda',
rlm@3 1331 91 => 'Rundi',
rlm@3 1332 92 => 'Chewa',
rlm@3 1333 93 => 'Malagasy',
rlm@3 1334 94 => 'Esperanto',
rlm@3 1335 128 => 'Welsh',
rlm@3 1336 129 => 'Basque',
rlm@3 1337 130 => 'Catalan',
rlm@3 1338 131 => 'Latin',
rlm@3 1339 132 => 'Quechua',
rlm@3 1340 133 => 'Guarani',
rlm@3 1341 134 => 'Aymara',
rlm@3 1342 135 => 'Tatar',
rlm@3 1343 136 => 'Uighur',
rlm@3 1344 137 => 'Dzongkha',
rlm@3 1345 138 => 'JavaneseRom'
rlm@3 1346 );
rlm@3 1347
rlm@3 1348 return (isset($lookup[$language_id]) ? $lookup[$language_id] : 'invalid');
rlm@3 1349 }
rlm@3 1350
rlm@3 1351
rlm@3 1352
rlm@3 1353 public static function QuicktimeVideoCodecLookup($codec_id) {
rlm@3 1354
rlm@3 1355 static $lookup = array (
rlm@3 1356 '3IVX' => '3ivx MPEG-4',
rlm@3 1357 '3IV1' => '3ivx MPEG-4 v1',
rlm@3 1358 '3IV2' => '3ivx MPEG-4 v2',
rlm@3 1359 'avr ' => 'AVR-JPEG',
rlm@3 1360 'base' => 'Base',
rlm@3 1361 'WRLE' => 'BMP',
rlm@3 1362 'cvid' => 'Cinepak',
rlm@3 1363 'clou' => 'Cloud',
rlm@3 1364 'cmyk' => 'CMYK',
rlm@3 1365 'yuv2' => 'ComponentVideo',
rlm@3 1366 'yuvu' => 'ComponentVideoSigned',
rlm@3 1367 'yuvs' => 'ComponentVideoUnsigned',
rlm@3 1368 'dvc ' => 'DVC-NTSC',
rlm@3 1369 'dvcp' => 'DVC-PAL',
rlm@3 1370 'dvpn' => 'DVCPro-NTSC',
rlm@3 1371 'dvpp' => 'DVCPro-PAL',
rlm@3 1372 'fire' => 'Fire',
rlm@3 1373 'flic' => 'FLC',
rlm@3 1374 'b48r' => '48RGB',
rlm@3 1375 'gif ' => 'GIF',
rlm@3 1376 'smc ' => 'Graphics',
rlm@3 1377 'h261' => 'H261',
rlm@3 1378 'h263' => 'H263',
rlm@3 1379 'IV41' => 'Indeo4',
rlm@3 1380 'jpeg' => 'JPEG',
rlm@3 1381 'PNTG' => 'MacPaint',
rlm@3 1382 'msvc' => 'Microsoft Video1',
rlm@3 1383 'mjpa' => 'Motion JPEG-A',
rlm@3 1384 'mjpb' => 'Motion JPEG-B',
rlm@3 1385 'myuv' => 'MPEG YUV420',
rlm@3 1386 'dmb1' => 'OpenDML JPEG',
rlm@3 1387 'kpcd' => 'PhotoCD',
rlm@3 1388 '8BPS' => 'Planar RGB',
rlm@3 1389 'png ' => 'PNG',
rlm@3 1390 'qdrw' => 'QuickDraw',
rlm@3 1391 'qdgx' => 'QuickDrawGX',
rlm@3 1392 'raw ' => 'RAW',
rlm@3 1393 '.SGI' => 'SGI',
rlm@3 1394 'b16g' => '16Gray',
rlm@3 1395 'b64a' => '64ARGB',
rlm@3 1396 'SVQ1' => 'Sorenson Video 1',
rlm@3 1397 'SVQ1' => 'Sorenson Video 3',
rlm@3 1398 'syv9' => 'Sorenson YUV9',
rlm@3 1399 'tga ' => 'Targa',
rlm@3 1400 'b32a' => '32AlphaGray',
rlm@3 1401 'tiff' => 'TIFF',
rlm@3 1402 'path' => 'Vector',
rlm@3 1403 'rpza' => 'Video',
rlm@3 1404 'ripl' => 'WaterRipple',
rlm@3 1405 'WRAW' => 'Windows RAW',
rlm@3 1406 'y420' => 'YUV420'
rlm@3 1407 );
rlm@3 1408
rlm@3 1409 return (isset($lookup[$codec_id]) ? $lookup[$codec_id] : '');
rlm@3 1410 }
rlm@3 1411
rlm@3 1412
rlm@3 1413
rlm@3 1414 public static function QuicktimeAudioCodecLookup($codec_id) {
rlm@3 1415
rlm@3 1416 static $lookup = array (
rlm@3 1417 '.mp3' => 'Fraunhofer MPEG Layer-III alias',
rlm@3 1418 'aac ' => 'ISO/IEC 14496-3 AAC',
rlm@3 1419 'agsm' => 'Apple GSM 10:1',
rlm@3 1420 'alac' => 'Apple Lossless Audio Codec',
rlm@3 1421 'alaw' => 'A-law 2:1',
rlm@3 1422 'conv' => 'Sample Format',
rlm@3 1423 'dvca' => 'DV',
rlm@3 1424 'dvi ' => 'DV 4:1',
rlm@3 1425 'eqal' => 'Frequency Equalizer',
rlm@3 1426 'fl32' => '32-bit Floating Point',
rlm@3 1427 'fl64' => '64-bit Floating Point',
rlm@3 1428 'ima4' => 'Interactive Multimedia Association 4:1',
rlm@3 1429 'in24' => '24-bit Integer',
rlm@3 1430 'in32' => '32-bit Integer',
rlm@3 1431 'lpc ' => 'LPC 23:1',
rlm@3 1432 'MAC3' => 'Macintosh Audio Compression/Expansion (MACE) 3:1',
rlm@3 1433 'MAC6' => 'Macintosh Audio Compression/Expansion (MACE) 6:1',
rlm@3 1434 'mixb' => '8-bit Mixer',
rlm@3 1435 'mixw' => '16-bit Mixer',
rlm@3 1436 'mp4a' => 'ISO/IEC 14496-3 AAC',
rlm@3 1437 "MS'\x00\x02" => 'Microsoft ADPCM',
rlm@3 1438 "MS'\x00\x11" => 'DV IMA',
rlm@3 1439 "MS\x00\x55" => 'Fraunhofer MPEG Layer III',
rlm@3 1440 'NONE' => 'No Encoding',
rlm@3 1441 'Qclp' => 'Qualcomm PureVoice',
rlm@3 1442 'QDM2' => 'QDesign Music 2',
rlm@3 1443 'QDMC' => 'QDesign Music 1',
rlm@3 1444 'ratb' => '8-bit Rate',
rlm@3 1445 'ratw' => '16-bit Rate',
rlm@3 1446 'raw ' => 'raw PCM',
rlm@3 1447 'sour' => 'Sound Source',
rlm@3 1448 'sowt' => 'signed/two\'s complement (Little Endian)',
rlm@3 1449 'str1' => 'Iomega MPEG layer II',
rlm@3 1450 'str2' => 'Iomega MPEG *layer II',
rlm@3 1451 'str3' => 'Iomega MPEG **layer II',
rlm@3 1452 'str4' => 'Iomega MPEG ***layer II',
rlm@3 1453 'twos' => 'signed/two\'s complement (Big Endian)',
rlm@3 1454 'ulaw' => 'mu-law 2:1',
rlm@3 1455 );
rlm@3 1456
rlm@3 1457 return (isset($lookup[$codec_id]) ? $lookup[$codec_id] : '');
rlm@3 1458 }
rlm@3 1459
rlm@3 1460
rlm@3 1461
rlm@3 1462 public static function QuicktimeDCOMLookup($compression_id) {
rlm@3 1463
rlm@3 1464 static $lookup = array (
rlm@3 1465 'zlib' => 'ZLib Deflate',
rlm@3 1466 'adec' => 'Apple Compression'
rlm@3 1467 );
rlm@3 1468
rlm@3 1469 return (isset($lookup[$compression_id]) ? $lookup[$compression_id] : '');
rlm@3 1470 }
rlm@3 1471
rlm@3 1472
rlm@3 1473
rlm@3 1474 public static function QuicktimeColorNameLookup($color_depth_id) {
rlm@3 1475
rlm@3 1476 static $lookup = array (
rlm@3 1477 1 => '2-color (monochrome)',
rlm@3 1478 2 => '4-color',
rlm@3 1479 4 => '16-color',
rlm@3 1480 8 => '256-color',
rlm@3 1481 16 => 'thousands (16-bit color)',
rlm@3 1482 24 => 'millions (24-bit color)',
rlm@3 1483 32 => 'millions+ (32-bit color)',
rlm@3 1484 33 => 'black & white',
rlm@3 1485 34 => '4-gray',
rlm@3 1486 36 => '16-gray',
rlm@3 1487 40 => '256-gray',
rlm@3 1488 );
rlm@3 1489
rlm@3 1490 return (isset($lookup[$color_depth_id]) ? $lookup[$color_depth_id] : 'invalid');
rlm@3 1491 }
rlm@3 1492
rlm@3 1493
rlm@3 1494
rlm@3 1495 public static function NoNullString($null_terminated_string) {
rlm@3 1496
rlm@3 1497 // remove the single null terminator on null terminated strings
rlm@3 1498 if (substr($null_terminated_string, strlen($null_terminated_string) - 1, 1) === "\x00") {
rlm@3 1499 return substr($null_terminated_string, 0, strlen($null_terminated_string) - 1);
rlm@3 1500 }
rlm@3 1501
rlm@3 1502 return $null_terminated_string;
rlm@3 1503 }
rlm@3 1504
rlm@3 1505
rlm@3 1506
rlm@3 1507 public static function FixedPoint8_8($raw_data) {
rlm@3 1508
rlm@3 1509 return getid3_lib::BigEndian2Int($raw_data{0}) + (float)(getid3_lib::BigEndian2Int($raw_data{1}) / 256);
rlm@3 1510 }
rlm@3 1511
rlm@3 1512
rlm@3 1513
rlm@3 1514 public static function FixedPoint16_16($raw_data) {
rlm@3 1515
rlm@3 1516 return getid3_lib::BigEndian2Int(substr($raw_data, 0, 2)) + (float)(getid3_lib::BigEndian2Int(substr($raw_data, 2, 2)) / 65536);
rlm@3 1517 }
rlm@3 1518
rlm@3 1519
rlm@3 1520
rlm@3 1521 public static function FixedPoint2_30($raw_data) {
rlm@3 1522
rlm@3 1523 $binary_string = getid3_lib::BigEndian2Bin($raw_data);
rlm@3 1524 return bindec(substr($binary_string, 0, 2)) + (float)(bindec(substr($binary_string, 2, 30)) / 1073741824);
rlm@3 1525 }
rlm@3 1526
rlm@3 1527 }
rlm@3 1528
rlm@3 1529 ?>