owncloud /
music
| Conditions | 392 |
| Paths | 697 |
| Total Lines | 1541 |
| Code Lines | 1122 |
| Lines | 209 |
| Ratio | 13.56 % |
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
| 1 | <?php |
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| 203 | public function QuicktimeParseAtom($atomname, $atomsize, $atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { |
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| 204 | // http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm |
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| 205 | // https://code.google.com/p/mp4v2/wiki/iTunesMetadata |
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| 206 | |||
| 207 | $info = &$this->getid3->info; |
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| 208 | |||
| 209 | $atom_parent = end($atomHierarchy); // not array_pop($atomHierarchy); see http://www.getid3.org/phpBB3/viewtopic.php?t=1717 |
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| 210 | array_push($atomHierarchy, $atomname); |
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| 211 | $atom_structure['hierarchy'] = implode(' ', $atomHierarchy); |
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| 212 | $atom_structure['name'] = $atomname; |
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| 213 | $atom_structure['size'] = $atomsize; |
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| 214 | $atom_structure['offset'] = $baseoffset; |
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| 215 | switch ($atomname) { |
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| 216 | case 'moov': // MOVie container atom |
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| 217 | case 'trak': // TRAcK container atom |
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| 218 | case 'clip': // CLIPping container atom |
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| 219 | case 'matt': // track MATTe container atom |
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| 220 | case 'edts': // EDiTS container atom |
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| 221 | case 'tref': // Track REFerence container atom |
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| 222 | case 'mdia': // MeDIA container atom |
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| 223 | case 'minf': // Media INFormation container atom |
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| 224 | case 'dinf': // Data INFormation container atom |
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| 225 | case 'udta': // User DaTA container atom |
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| 226 | case 'cmov': // Compressed MOVie container atom |
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| 227 | case 'rmra': // Reference Movie Record Atom |
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| 228 | case 'rmda': // Reference Movie Descriptor Atom |
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| 229 | case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR) |
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| 230 | $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); |
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| 231 | break; |
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| 232 | |||
| 233 | case 'ilst': // Item LiST container atom |
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| 234 | if ($atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms)) { |
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| 235 | // some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted |
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| 236 | $allnumericnames = true; |
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| 237 | foreach ($atom_structure['subatoms'] as $subatomarray) { |
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| 238 | if (!is_integer($subatomarray['name']) || (count($subatomarray['subatoms']) != 1)) { |
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| 239 | $allnumericnames = false; |
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| 240 | break; |
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| 241 | } |
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| 242 | } |
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| 243 | if ($allnumericnames) { |
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| 244 | $newData = array(); |
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| 245 | foreach ($atom_structure['subatoms'] as $subatomarray) { |
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| 246 | foreach ($subatomarray['subatoms'] as $newData_subatomarray) { |
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| 247 | unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']); |
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| 248 | $newData[$subatomarray['name']] = $newData_subatomarray; |
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| 249 | break; |
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| 250 | } |
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| 251 | } |
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| 252 | $atom_structure['data'] = $newData; |
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| 253 | unset($atom_structure['subatoms']); |
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| 254 | } |
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| 255 | } |
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| 256 | break; |
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| 257 | |||
| 258 | case "\x00\x00\x00\x01": |
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| 259 | case "\x00\x00\x00\x02": |
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| 260 | case "\x00\x00\x00\x03": |
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| 261 | case "\x00\x00\x00\x04": |
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| 262 | case "\x00\x00\x00\x05": |
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| 263 | $atomname = getid3_lib::BigEndian2Int($atomname); |
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| 264 | $atom_structure['name'] = $atomname; |
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| 265 | $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); |
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| 266 | break; |
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| 267 | |||
| 268 | case 'stbl': // Sample TaBLe container atom |
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| 269 | $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); |
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| 270 | $isVideo = false; |
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| 271 | $framerate = 0; |
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| 272 | $framecount = 0; |
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| 273 | foreach ($atom_structure['subatoms'] as $key => $value_array) { |
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| 274 | if (isset($value_array['sample_description_table'])) { |
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| 275 | foreach ($value_array['sample_description_table'] as $key2 => $value_array2) { |
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| 276 | if (isset($value_array2['data_format'])) { |
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| 277 | switch ($value_array2['data_format']) { |
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| 278 | case 'avc1': |
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| 279 | case 'mp4v': |
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| 280 | // video data |
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| 281 | $isVideo = true; |
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| 282 | break; |
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| 283 | case 'mp4a': |
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| 284 | // audio data |
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| 285 | break; |
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| 286 | } |
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| 287 | } |
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| 288 | } |
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| 289 | } elseif (isset($value_array['time_to_sample_table'])) { |
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| 290 | foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) { |
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| 291 | if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && ($value_array2['sample_duration'] > 0)) { |
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| 292 | $framerate = round($info['quicktime']['time_scale'] / $value_array2['sample_duration'], 3); |
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| 293 | $framecount = $value_array2['sample_count']; |
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| 294 | } |
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| 295 | } |
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| 296 | } |
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| 297 | } |
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| 298 | if ($isVideo && $framerate) { |
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| 299 | $info['quicktime']['video']['frame_rate'] = $framerate; |
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| 300 | $info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate']; |
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| 301 | } |
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| 302 | if ($isVideo && $framecount) { |
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| 303 | $info['quicktime']['video']['frame_count'] = $framecount; |
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| 304 | } |
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| 305 | break; |
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| 306 | |||
| 307 | |||
| 308 | case "\xA9".'alb': // ALBum |
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| 309 | case "\xA9".'ART': // |
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| 310 | case "\xA9".'art': // ARTist |
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| 311 | case "\xA9".'aut': // |
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| 312 | case "\xA9".'cmt': // CoMmenT |
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| 313 | case "\xA9".'com': // COMposer |
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| 314 | case "\xA9".'cpy': // |
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| 315 | case "\xA9".'day': // content created year |
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| 316 | case "\xA9".'dir': // |
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| 317 | case "\xA9".'ed1': // |
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| 318 | case "\xA9".'ed2': // |
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| 319 | case "\xA9".'ed3': // |
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| 320 | case "\xA9".'ed4': // |
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| 321 | case "\xA9".'ed5': // |
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| 322 | case "\xA9".'ed6': // |
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| 323 | case "\xA9".'ed7': // |
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| 324 | case "\xA9".'ed8': // |
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| 325 | case "\xA9".'ed9': // |
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| 326 | case "\xA9".'enc': // |
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| 327 | case "\xA9".'fmt': // |
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| 328 | case "\xA9".'gen': // GENre |
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| 329 | case "\xA9".'grp': // GRouPing |
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| 330 | case "\xA9".'hst': // |
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| 331 | case "\xA9".'inf': // |
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| 332 | case "\xA9".'lyr': // LYRics |
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| 333 | case "\xA9".'mak': // |
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| 334 | case "\xA9".'mod': // |
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| 335 | case "\xA9".'nam': // full NAMe |
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| 336 | case "\xA9".'ope': // |
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| 337 | case "\xA9".'PRD': // |
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| 338 | case "\xA9".'prf': // |
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| 339 | case "\xA9".'req': // |
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| 340 | case "\xA9".'src': // |
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| 341 | case "\xA9".'swr': // |
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| 342 | case "\xA9".'too': // encoder |
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| 343 | case "\xA9".'trk': // TRacK |
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| 344 | case "\xA9".'url': // |
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| 345 | case "\xA9".'wrn': // |
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| 346 | case "\xA9".'wrt': // WRiTer |
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| 347 | case '----': // itunes specific |
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| 348 | case 'aART': // Album ARTist |
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| 349 | case 'akID': // iTunes store account type |
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| 350 | case 'apID': // Purchase Account |
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| 351 | case 'atID': // |
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| 352 | case 'catg': // CaTeGory |
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| 353 | case 'cmID': // |
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| 354 | case 'cnID': // |
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| 355 | case 'covr': // COVeR artwork |
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| 356 | case 'cpil': // ComPILation |
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| 357 | case 'cprt': // CoPyRighT |
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| 358 | case 'desc': // DESCription |
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| 359 | case 'disk': // DISK number |
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| 360 | case 'egid': // Episode Global ID |
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| 361 | case 'geID': // |
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| 362 | case 'gnre': // GeNRE |
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| 363 | case 'hdvd': // HD ViDeo |
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| 364 | case 'keyw': // KEYWord |
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| 365 | case 'ldes': // Long DEScription |
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| 366 | case 'pcst': // PodCaST |
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| 367 | case 'pgap': // GAPless Playback |
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| 368 | case 'plID': // |
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| 369 | case 'purd': // PURchase Date |
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| 370 | case 'purl': // Podcast URL |
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| 371 | case 'rati': // |
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| 372 | case 'rndu': // |
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| 373 | case 'rpdu': // |
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| 374 | case 'rtng': // RaTiNG |
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| 375 | case 'sfID': // iTunes store country |
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| 376 | case 'soaa': // SOrt Album Artist |
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| 377 | case 'soal': // SOrt ALbum |
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| 378 | case 'soar': // SOrt ARtist |
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| 379 | case 'soco': // SOrt COmposer |
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| 380 | case 'sonm': // SOrt NaMe |
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| 381 | case 'sosn': // SOrt Show Name |
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| 382 | case 'stik': // |
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| 383 | case 'tmpo': // TeMPO (BPM) |
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| 384 | case 'trkn': // TRacK Number |
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| 385 | case 'tven': // tvEpisodeID |
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| 386 | case 'tves': // TV EpiSode |
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| 387 | case 'tvnn': // TV Network Name |
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| 388 | case 'tvsh': // TV SHow Name |
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| 389 | case 'tvsn': // TV SeasoN |
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| 390 | if ($atom_parent == 'udta') { |
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| 391 | // User data atom handler |
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| 392 | $atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); |
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| 393 | $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); |
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| 394 | $atom_structure['data'] = substr($atom_data, 4); |
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| 395 | |||
| 396 | $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); |
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| 397 | View Code Duplication | if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { |
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| 398 | $info['comments']['language'][] = $atom_structure['language']; |
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| 399 | } |
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| 400 | } else { |
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| 401 | // Apple item list box atom handler |
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| 402 | $atomoffset = 0; |
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| 403 | if (substr($atom_data, 2, 2) == "\x10\xB5") { |
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| 404 | // not sure what it means, but observed on iPhone4 data. |
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| 405 | // Each $atom_data has 2 bytes of datasize, plus 0x10B5, then data |
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| 406 | while ($atomoffset < strlen($atom_data)) { |
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| 407 | $boxsmallsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 2)); |
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| 408 | $boxsmalltype = substr($atom_data, $atomoffset + 2, 2); |
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| 409 | $boxsmalldata = substr($atom_data, $atomoffset + 4, $boxsmallsize); |
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| 410 | View Code Duplication | if ($boxsmallsize <= 1) { |
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| 411 | $this->warning('Invalid QuickTime atom smallbox size "'.$boxsmallsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset)); |
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| 412 | $atom_structure['data'] = null; |
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| 413 | $atomoffset = strlen($atom_data); |
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| 414 | break; |
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| 415 | } |
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| 416 | switch ($boxsmalltype) { |
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| 417 | case "\x10\xB5": |
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| 418 | $atom_structure['data'] = $boxsmalldata; |
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| 419 | break; |
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| 420 | View Code Duplication | default: |
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| 421 | $this->warning('Unknown QuickTime smallbox type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxsmalltype).'" ('.trim(getid3_lib::PrintHexBytes($boxsmalltype)).') at offset '.$baseoffset); |
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| 422 | $atom_structure['data'] = $atom_data; |
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| 423 | break; |
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| 424 | } |
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| 425 | $atomoffset += (4 + $boxsmallsize); |
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| 426 | } |
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| 427 | } else { |
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| 428 | while ($atomoffset < strlen($atom_data)) { |
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| 429 | $boxsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 4)); |
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| 430 | $boxtype = substr($atom_data, $atomoffset + 4, 4); |
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| 431 | $boxdata = substr($atom_data, $atomoffset + 8, $boxsize - 8); |
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| 432 | View Code Duplication | if ($boxsize <= 1) { |
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| 433 | $this->warning('Invalid QuickTime atom box size "'.$boxsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset)); |
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| 434 | $atom_structure['data'] = null; |
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| 435 | $atomoffset = strlen($atom_data); |
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| 436 | break; |
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| 437 | } |
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| 438 | $atomoffset += $boxsize; |
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| 439 | |||
| 440 | switch ($boxtype) { |
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| 441 | case 'mean': |
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| 442 | case 'name': |
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| 443 | $atom_structure[$boxtype] = substr($boxdata, 4); |
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| 444 | break; |
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| 445 | |||
| 446 | case 'data': |
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| 447 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($boxdata, 0, 1)); |
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| 448 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($boxdata, 1, 3)); |
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| 449 | switch ($atom_structure['flags_raw']) { |
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| 450 | case 0: // data flag |
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| 451 | case 21: // tmpo/cpil flag |
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| 452 | switch ($atomname) { |
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| 453 | case 'cpil': |
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| 454 | case 'hdvd': |
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| 455 | case 'pcst': |
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| 456 | case 'pgap': |
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| 457 | // 8-bit integer (boolean) |
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| 458 | $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); |
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| 459 | break; |
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| 460 | |||
| 461 | case 'tmpo': |
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| 462 | // 16-bit integer |
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| 463 | $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2)); |
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| 464 | break; |
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| 465 | |||
| 466 | case 'disk': |
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| 467 | case 'trkn': |
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| 468 | // binary |
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| 469 | $num = getid3_lib::BigEndian2Int(substr($boxdata, 10, 2)); |
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| 470 | $num_total = getid3_lib::BigEndian2Int(substr($boxdata, 12, 2)); |
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| 471 | $atom_structure['data'] = empty($num) ? '' : $num; |
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| 472 | $atom_structure['data'] .= empty($num_total) ? '' : '/'.$num_total; |
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| 473 | break; |
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| 474 | |||
| 475 | case 'gnre': |
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| 476 | // enum |
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| 477 | $GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); |
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| 478 | $atom_structure['data'] = getid3_id3v1::LookupGenreName($GenreID - 1); |
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| 479 | break; |
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| 480 | |||
| 481 | View Code Duplication | case 'rtng': |
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| 482 | // 8-bit integer |
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| 483 | $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); |
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| 484 | $atom_structure['data'] = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]); |
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| 485 | break; |
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| 486 | |||
| 487 | View Code Duplication | case 'stik': |
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| 488 | // 8-bit integer (enum) |
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| 489 | $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); |
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| 490 | $atom_structure['data'] = $this->QuicktimeSTIKLookup($atom_structure[$atomname]); |
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| 491 | break; |
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| 492 | |||
| 493 | View Code Duplication | case 'sfID': |
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| 494 | // 32-bit integer |
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| 495 | $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); |
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| 496 | $atom_structure['data'] = $this->QuicktimeStoreFrontCodeLookup($atom_structure[$atomname]); |
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| 497 | break; |
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| 498 | |||
| 499 | case 'egid': |
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| 500 | case 'purl': |
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| 501 | $atom_structure['data'] = substr($boxdata, 8); |
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| 502 | break; |
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| 503 | |||
| 504 | case 'plID': |
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| 505 | // 64-bit integer |
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| 506 | $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 8)); |
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| 507 | break; |
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| 508 | |||
| 509 | View Code Duplication | case 'covr': |
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| 510 | $atom_structure['data'] = substr($boxdata, 8); |
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| 511 | // not a foolproof check, but better than nothing |
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| 512 | if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) { |
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| 513 | $atom_structure['image_mime'] = 'image/jpeg'; |
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| 514 | } elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) { |
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| 515 | $atom_structure['image_mime'] = 'image/png'; |
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| 516 | } elseif (preg_match('#^GIF#', $atom_structure['data'])) { |
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| 517 | $atom_structure['image_mime'] = 'image/gif'; |
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| 518 | } |
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| 519 | break; |
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| 520 | |||
| 521 | case 'atID': |
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| 522 | case 'cnID': |
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| 523 | case 'geID': |
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| 524 | case 'tves': |
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| 525 | case 'tvsn': |
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| 526 | default: |
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| 527 | // 32-bit integer |
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| 528 | $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); |
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| 529 | } |
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| 530 | break; |
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| 531 | |||
| 532 | case 1: // text flag |
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| 533 | case 13: // image flag |
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| 534 | View Code Duplication | default: |
|
| 535 | $atom_structure['data'] = substr($boxdata, 8); |
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| 536 | if ($atomname == 'covr') { |
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| 537 | // not a foolproof check, but better than nothing |
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| 538 | if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) { |
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| 539 | $atom_structure['image_mime'] = 'image/jpeg'; |
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| 540 | } elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) { |
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| 541 | $atom_structure['image_mime'] = 'image/png'; |
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| 542 | } elseif (preg_match('#^GIF#', $atom_structure['data'])) { |
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| 543 | $atom_structure['image_mime'] = 'image/gif'; |
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| 544 | } |
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| 545 | } |
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| 546 | break; |
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| 547 | |||
| 548 | } |
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| 549 | break; |
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| 550 | |||
| 551 | View Code Duplication | default: |
|
| 552 | $this->warning('Unknown QuickTime box type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxtype).'" ('.trim(getid3_lib::PrintHexBytes($boxtype)).') at offset '.$baseoffset); |
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| 553 | $atom_structure['data'] = $atom_data; |
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| 554 | |||
| 555 | } |
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| 556 | } |
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| 557 | } |
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| 558 | } |
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| 559 | $this->CopyToAppropriateCommentsSection($atomname, $atom_structure['data'], $atom_structure['name']); |
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| 560 | break; |
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| 561 | |||
| 562 | |||
| 563 | case 'play': // auto-PLAY atom |
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| 564 | $atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
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| 565 | |||
| 566 | $info['quicktime']['autoplay'] = $atom_structure['autoplay']; |
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| 567 | break; |
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| 568 | |||
| 569 | |||
| 570 | View Code Duplication | case 'WLOC': // Window LOCation atom |
|
| 571 | $atom_structure['location_x'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); |
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| 572 | $atom_structure['location_y'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); |
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| 573 | break; |
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| 574 | |||
| 575 | |||
| 576 | case 'LOOP': // LOOPing atom |
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| 577 | case 'SelO': // play SELection Only atom |
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| 578 | case 'AllF': // play ALL Frames atom |
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| 579 | $atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data); |
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| 580 | break; |
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| 581 | |||
| 582 | |||
| 583 | case 'name': // |
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| 584 | case 'MCPS': // Media Cleaner PRo |
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| 585 | case '@PRM': // adobe PReMiere version |
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| 586 | case '@PRQ': // adobe PRemiere Quicktime version |
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| 587 | $atom_structure['data'] = $atom_data; |
||
| 588 | break; |
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| 589 | |||
| 590 | |||
| 591 | case 'cmvd': // Compressed MooV Data atom |
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| 592 | // Code by ubergeekØubergeek*tv based on information from |
||
| 593 | // http://developer.apple.com/quicktime/icefloe/dispatch012.html |
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| 594 | $atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); |
||
| 595 | |||
| 596 | $CompressedFileData = substr($atom_data, 4); |
||
| 597 | if ($UncompressedHeader = @gzuncompress($CompressedFileData)) { |
||
| 598 | $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, 0, $atomHierarchy, $ParseAllPossibleAtoms); |
||
| 599 | } else { |
||
| 600 | $this->warning('Error decompressing compressed MOV atom at offset '.$atom_structure['offset']); |
||
| 601 | } |
||
| 602 | break; |
||
| 603 | |||
| 604 | |||
| 605 | case 'dcom': // Data COMpression atom |
||
| 606 | $atom_structure['compression_id'] = $atom_data; |
||
| 607 | $atom_structure['compression_text'] = $this->QuicktimeDCOMLookup($atom_data); |
||
| 608 | break; |
||
| 609 | |||
| 610 | |||
| 611 | case 'rdrf': // Reference movie Data ReFerence atom |
||
| 612 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 613 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); |
||
| 614 | $atom_structure['flags']['internal_data'] = (bool) ($atom_structure['flags_raw'] & 0x000001); |
||
| 615 | |||
| 616 | $atom_structure['reference_type_name'] = substr($atom_data, 4, 4); |
||
| 617 | $atom_structure['reference_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); |
||
| 618 | switch ($atom_structure['reference_type_name']) { |
||
| 619 | case 'url ': |
||
| 620 | $atom_structure['url'] = $this->NoNullString(substr($atom_data, 12)); |
||
| 621 | break; |
||
| 622 | |||
| 623 | case 'alis': |
||
| 624 | $atom_structure['file_alias'] = substr($atom_data, 12); |
||
| 625 | break; |
||
| 626 | |||
| 627 | case 'rsrc': |
||
| 628 | $atom_structure['resource_alias'] = substr($atom_data, 12); |
||
| 629 | break; |
||
| 630 | |||
| 631 | default: |
||
| 632 | $atom_structure['data'] = substr($atom_data, 12); |
||
| 633 | break; |
||
| 634 | } |
||
| 635 | break; |
||
| 636 | |||
| 637 | |||
| 638 | case 'rmqu': // Reference Movie QUality atom |
||
| 639 | $atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data); |
||
| 640 | break; |
||
| 641 | |||
| 642 | |||
| 643 | View Code Duplication | case 'rmcs': // Reference Movie Cpu Speed atom |
|
| 644 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 645 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 646 | $atom_structure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); |
||
| 647 | break; |
||
| 648 | |||
| 649 | |||
| 650 | case 'rmvc': // Reference Movie Version Check atom |
||
| 651 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 652 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 653 | $atom_structure['gestalt_selector'] = substr($atom_data, 4, 4); |
||
| 654 | $atom_structure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); |
||
| 655 | $atom_structure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); |
||
| 656 | $atom_structure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); |
||
| 657 | break; |
||
| 658 | |||
| 659 | |||
| 660 | case 'rmcd': // Reference Movie Component check atom |
||
| 661 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 662 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 663 | $atom_structure['component_type'] = substr($atom_data, 4, 4); |
||
| 664 | $atom_structure['component_subtype'] = substr($atom_data, 8, 4); |
||
| 665 | $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); |
||
| 666 | $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); |
||
| 667 | $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); |
||
| 668 | $atom_structure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 4)); |
||
| 669 | break; |
||
| 670 | |||
| 671 | |||
| 672 | View Code Duplication | case 'rmdr': // Reference Movie Data Rate atom |
|
| 673 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 674 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 675 | $atom_structure['data_rate'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 676 | |||
| 677 | $atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10; |
||
| 678 | break; |
||
| 679 | |||
| 680 | |||
| 681 | case 'rmla': // Reference Movie Language Atom |
||
| 682 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 683 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 684 | $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); |
||
| 685 | |||
| 686 | $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); |
||
| 687 | View Code Duplication | if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { |
|
| 688 | $info['comments']['language'][] = $atom_structure['language']; |
||
| 689 | } |
||
| 690 | break; |
||
| 691 | |||
| 692 | |||
| 693 | View Code Duplication | case 'rmla': // Reference Movie Language Atom |
|
| 694 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 695 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 696 | $atom_structure['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); |
||
| 697 | break; |
||
| 698 | |||
| 699 | |||
| 700 | case 'ptv ': // Print To Video - defines a movie's full screen mode |
||
| 701 | // http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm |
||
| 702 | $atom_structure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); |
||
| 703 | $atom_structure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); // hardcoded: 0x0000 |
||
| 704 | $atom_structure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x0000 |
||
| 705 | $atom_structure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 1)); |
||
| 706 | $atom_structure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 7, 1)); |
||
| 707 | |||
| 708 | $atom_structure['flags']['play_on_open'] = (bool) $atom_structure['play_on_open_flag']; |
||
| 709 | $atom_structure['flags']['slide_show'] = (bool) $atom_structure['slide_show_flag']; |
||
| 710 | |||
| 711 | $ptv_lookup[0] = 'normal'; |
||
| 712 | $ptv_lookup[1] = 'double'; |
||
| 713 | $ptv_lookup[2] = 'half'; |
||
| 714 | $ptv_lookup[3] = 'full'; |
||
| 715 | $ptv_lookup[4] = 'current'; |
||
| 716 | if (isset($ptv_lookup[$atom_structure['display_size_raw']])) { |
||
| 717 | $atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']]; |
||
| 718 | } else { |
||
| 719 | $this->warning('unknown "ptv " display constant ('.$atom_structure['display_size_raw'].')'); |
||
| 720 | } |
||
| 721 | break; |
||
| 722 | |||
| 723 | |||
| 724 | case 'stsd': // Sample Table Sample Description atom |
||
| 725 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 726 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 727 | $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 728 | |||
| 729 | // see: https://github.com/JamesHeinrich/getID3/issues/111 |
||
| 730 | // Some corrupt files have been known to have high bits set in the number_entries field |
||
| 731 | // This field shouldn't really need to be 32-bits, values stores are likely in the range 1-100000 |
||
| 732 | // Workaround: mask off the upper byte and throw a warning if it's nonzero |
||
| 733 | if ($atom_structure['number_entries'] > 0x000FFFFF) { |
||
| 734 | if ($atom_structure['number_entries'] > 0x00FFFFFF) { |
||
| 735 | $this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($atom_data, 4, 4), true, false).' = '.$atom_structure['number_entries'].'), probably in error. Ignoring upper byte and interpreting this as 0x'.getid3_lib::PrintHexBytes(substr($atom_data, 5, 3), true, false).' = '.($atom_structure['number_entries'] & 0x00FFFFFF)); |
||
| 736 | $atom_structure['number_entries'] = ($atom_structure['number_entries'] & 0x00FFFFFF); |
||
| 737 | View Code Duplication | } else { |
|
| 738 | $this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($atom_data, 4, 4), true, false).' = '.$atom_structure['number_entries'].'), probably in error. Please report this to [email protected] referencing bug report #111'); |
||
| 739 | } |
||
| 740 | } |
||
| 741 | |||
| 742 | $stsdEntriesDataOffset = 8; |
||
| 743 | for ($i = 0; $i < $atom_structure['number_entries']; $i++) { |
||
| 744 | $atom_structure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 4)); |
||
| 745 | $stsdEntriesDataOffset += 4; |
||
| 746 | $atom_structure['sample_description_table'][$i]['data_format'] = substr($atom_data, $stsdEntriesDataOffset, 4); |
||
| 747 | $stsdEntriesDataOffset += 4; |
||
| 748 | $atom_structure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 6)); |
||
| 749 | $stsdEntriesDataOffset += 6; |
||
| 750 | $atom_structure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 2)); |
||
| 751 | $stsdEntriesDataOffset += 2; |
||
| 752 | $atom_structure['sample_description_table'][$i]['data'] = substr($atom_data, $stsdEntriesDataOffset, ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2)); |
||
| 753 | $stsdEntriesDataOffset += ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2); |
||
| 754 | |||
| 755 | $atom_structure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 0, 2)); |
||
| 756 | $atom_structure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 2, 2)); |
||
| 757 | $atom_structure['sample_description_table'][$i]['encoder_vendor'] = substr($atom_structure['sample_description_table'][$i]['data'], 4, 4); |
||
| 758 | |||
| 759 | switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) { |
||
| 760 | |||
| 761 | case "\x00\x00\x00\x00": |
||
| 762 | // audio tracks |
||
| 763 | $atom_structure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 2)); |
||
| 764 | $atom_structure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 10, 2)); |
||
| 765 | $atom_structure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 2)); |
||
| 766 | $atom_structure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 14, 2)); |
||
| 767 | $atom_structure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16, 4)); |
||
| 768 | |||
| 769 | // video tracks |
||
| 770 | // http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap3/qtff3.html |
||
| 771 | $atom_structure['sample_description_table'][$i]['temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); |
||
| 772 | $atom_structure['sample_description_table'][$i]['spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); |
||
| 773 | $atom_structure['sample_description_table'][$i]['width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); |
||
| 774 | $atom_structure['sample_description_table'][$i]['height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); |
||
| 775 | $atom_structure['sample_description_table'][$i]['resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); |
||
| 776 | $atom_structure['sample_description_table'][$i]['resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); |
||
| 777 | $atom_structure['sample_description_table'][$i]['data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 4)); |
||
| 778 | $atom_structure['sample_description_table'][$i]['frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 36, 2)); |
||
| 779 | $atom_structure['sample_description_table'][$i]['compressor_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 38, 4); |
||
| 780 | $atom_structure['sample_description_table'][$i]['pixel_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 42, 2)); |
||
| 781 | $atom_structure['sample_description_table'][$i]['color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 44, 2)); |
||
| 782 | |||
| 783 | switch ($atom_structure['sample_description_table'][$i]['data_format']) { |
||
| 784 | case '2vuY': |
||
| 785 | case 'avc1': |
||
| 786 | case 'cvid': |
||
| 787 | case 'dvc ': |
||
| 788 | case 'dvcp': |
||
| 789 | case 'gif ': |
||
| 790 | case 'h263': |
||
| 791 | case 'jpeg': |
||
| 792 | case 'kpcd': |
||
| 793 | case 'mjpa': |
||
| 794 | case 'mjpb': |
||
| 795 | case 'mp4v': |
||
| 796 | case 'png ': |
||
| 797 | case 'raw ': |
||
| 798 | case 'rle ': |
||
| 799 | case 'rpza': |
||
| 800 | case 'smc ': |
||
| 801 | case 'SVQ1': |
||
| 802 | case 'SVQ3': |
||
| 803 | case 'tiff': |
||
| 804 | case 'v210': |
||
| 805 | case 'v216': |
||
| 806 | case 'v308': |
||
| 807 | case 'v408': |
||
| 808 | case 'v410': |
||
| 809 | case 'yuv2': |
||
| 810 | $info['fileformat'] = 'mp4'; |
||
| 811 | $info['video']['fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; |
||
| 812 | // http://www.getid3.org/phpBB3/viewtopic.php?t=1550 |
||
| 813 | //if ((!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['width'])) && (empty($info['video']['resolution_x']) || empty($info['video']['resolution_y']) || (number_format($info['video']['resolution_x'], 6) != number_format(round($info['video']['resolution_x']), 6)) || (number_format($info['video']['resolution_y'], 6) != number_format(round($info['video']['resolution_y']), 6)))) { // ugly check for floating point numbers |
||
| 814 | if (!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['height'])) { |
||
| 815 | // assume that values stored here are more important than values stored in [tkhd] atom |
||
| 816 | $info['video']['resolution_x'] = $atom_structure['sample_description_table'][$i]['width']; |
||
| 817 | $info['video']['resolution_y'] = $atom_structure['sample_description_table'][$i]['height']; |
||
| 818 | $info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x']; |
||
| 819 | $info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y']; |
||
| 820 | } |
||
| 821 | break; |
||
| 822 | |||
| 823 | case 'qtvr': |
||
| 824 | $info['video']['dataformat'] = 'quicktimevr'; |
||
| 825 | break; |
||
| 826 | |||
| 827 | case 'mp4a': |
||
| 828 | default: |
||
| 829 | $info['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); |
||
| 830 | $info['quicktime']['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate']; |
||
| 831 | $info['quicktime']['audio']['channels'] = $atom_structure['sample_description_table'][$i]['audio_channels']; |
||
| 832 | $info['quicktime']['audio']['bit_depth'] = $atom_structure['sample_description_table'][$i]['audio_bit_depth']; |
||
| 833 | $info['audio']['codec'] = $info['quicktime']['audio']['codec']; |
||
| 834 | $info['audio']['sample_rate'] = $info['quicktime']['audio']['sample_rate']; |
||
| 835 | $info['audio']['channels'] = $info['quicktime']['audio']['channels']; |
||
| 836 | $info['audio']['bits_per_sample'] = $info['quicktime']['audio']['bit_depth']; |
||
| 837 | switch ($atom_structure['sample_description_table'][$i]['data_format']) { |
||
| 838 | case 'raw ': // PCM |
||
| 839 | case 'alac': // Apple Lossless Audio Codec |
||
| 840 | $info['audio']['lossless'] = true; |
||
| 841 | break; |
||
| 842 | default: |
||
| 843 | $info['audio']['lossless'] = false; |
||
| 844 | break; |
||
| 845 | } |
||
| 846 | break; |
||
| 847 | } |
||
| 848 | break; |
||
| 849 | |||
| 850 | default: |
||
| 851 | switch ($atom_structure['sample_description_table'][$i]['data_format']) { |
||
| 852 | case 'mp4s': |
||
| 853 | $info['fileformat'] = 'mp4'; |
||
| 854 | break; |
||
| 855 | |||
| 856 | default: |
||
| 857 | // video atom |
||
| 858 | $atom_structure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); |
||
| 859 | $atom_structure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); |
||
| 860 | $atom_structure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); |
||
| 861 | $atom_structure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); |
||
| 862 | $atom_structure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20, 4)); |
||
| 863 | $atom_structure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); |
||
| 864 | $atom_structure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); |
||
| 865 | $atom_structure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 2)); |
||
| 866 | $atom_structure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 34, 1)); |
||
| 867 | $atom_structure['sample_description_table'][$i]['video_encoder_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']); |
||
| 868 | $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66, 2)); |
||
| 869 | $atom_structure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68, 2)); |
||
| 870 | |||
| 871 | $atom_structure['sample_description_table'][$i]['video_pixel_color_type'] = (($atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color'); |
||
| 872 | $atom_structure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']); |
||
| 873 | |||
| 874 | if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') { |
||
| 875 | $info['quicktime']['video']['codec_fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; |
||
| 876 | $info['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); |
||
| 877 | $info['quicktime']['video']['codec'] = (($atom_structure['sample_description_table'][$i]['video_encoder_name_len'] > 0) ? $atom_structure['sample_description_table'][$i]['video_encoder_name'] : $atom_structure['sample_description_table'][$i]['data_format']); |
||
| 878 | $info['quicktime']['video']['color_depth'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth']; |
||
| 879 | $info['quicktime']['video']['color_depth_name'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_name']; |
||
| 880 | |||
| 881 | $info['video']['codec'] = $info['quicktime']['video']['codec']; |
||
| 882 | $info['video']['bits_per_sample'] = $info['quicktime']['video']['color_depth']; |
||
| 883 | } |
||
| 884 | $info['video']['lossless'] = false; |
||
| 885 | $info['video']['pixel_aspect_ratio'] = (float) 1; |
||
| 886 | break; |
||
| 887 | } |
||
| 888 | break; |
||
| 889 | } |
||
| 890 | switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) { |
||
| 891 | case 'mp4a': |
||
| 892 | $info['audio']['dataformat'] = 'mp4'; |
||
| 893 | $info['quicktime']['audio']['codec'] = 'mp4'; |
||
| 894 | break; |
||
| 895 | |||
| 896 | case '3ivx': |
||
| 897 | case '3iv1': |
||
| 898 | case '3iv2': |
||
| 899 | $info['video']['dataformat'] = '3ivx'; |
||
| 900 | break; |
||
| 901 | |||
| 902 | case 'xvid': |
||
| 903 | $info['video']['dataformat'] = 'xvid'; |
||
| 904 | break; |
||
| 905 | |||
| 906 | case 'mp4v': |
||
| 907 | $info['video']['dataformat'] = 'mpeg4'; |
||
| 908 | break; |
||
| 909 | |||
| 910 | case 'divx': |
||
| 911 | case 'div1': |
||
| 912 | case 'div2': |
||
| 913 | case 'div3': |
||
| 914 | case 'div4': |
||
| 915 | case 'div5': |
||
| 916 | case 'div6': |
||
| 917 | $info['video']['dataformat'] = 'divx'; |
||
| 918 | break; |
||
| 919 | |||
| 920 | default: |
||
| 921 | // do nothing |
||
| 922 | break; |
||
| 923 | } |
||
| 924 | unset($atom_structure['sample_description_table'][$i]['data']); |
||
| 925 | } |
||
| 926 | break; |
||
| 927 | |||
| 928 | |||
| 929 | case 'stts': // Sample Table Time-to-Sample atom |
||
| 930 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 931 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 932 | $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 933 | $sttsEntriesDataOffset = 8; |
||
| 934 | //$FrameRateCalculatorArray = array(); |
||
| 935 | $frames_count = 0; |
||
| 936 | |||
| 937 | $max_stts_entries_to_scan = ($info['php_memory_limit'] ? min(floor($this->getid3->memory_limit / 10000), $atom_structure['number_entries']) : $atom_structure['number_entries']); |
||
| 938 | if ($max_stts_entries_to_scan < $atom_structure['number_entries']) { |
||
| 939 | $this->warning('QuickTime atom "stts" has '.$atom_structure['number_entries'].' but only scanning the first '.$max_stts_entries_to_scan.' entries due to limited PHP memory available ('.floor($atom_structure['number_entries'] / 1048576).'MB).'); |
||
| 940 | } |
||
| 941 | View Code Duplication | for ($i = 0; $i < $max_stts_entries_to_scan; $i++) { |
|
| 942 | $atom_structure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); |
||
| 943 | $sttsEntriesDataOffset += 4; |
||
| 944 | $atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); |
||
| 945 | $sttsEntriesDataOffset += 4; |
||
| 946 | |||
| 947 | $frames_count += $atom_structure['time_to_sample_table'][$i]['sample_count']; |
||
| 948 | |||
| 949 | // THIS SECTION REPLACED WITH CODE IN "stbl" ATOM |
||
| 950 | //if (!empty($info['quicktime']['time_scale']) && ($atom_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) { |
||
| 951 | // $stts_new_framerate = $info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration']; |
||
| 952 | // if ($stts_new_framerate <= 60) { |
||
| 953 | // // some atoms have durations of "1" giving a very large framerate, which probably is not right |
||
| 954 | // $info['video']['frame_rate'] = max($info['video']['frame_rate'], $stts_new_framerate); |
||
| 955 | // } |
||
| 956 | //} |
||
| 957 | // |
||
| 958 | //$FrameRateCalculatorArray[($info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count']; |
||
| 959 | } |
||
| 960 | $info['quicktime']['stts_framecount'][] = $frames_count; |
||
| 961 | //$sttsFramesTotal = 0; |
||
| 962 | //$sttsSecondsTotal = 0; |
||
| 963 | //foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) { |
||
| 964 | // if (($frames_per_second > 60) || ($frames_per_second < 1)) { |
||
| 965 | // // not video FPS information, probably audio information |
||
| 966 | // $sttsFramesTotal = 0; |
||
| 967 | // $sttsSecondsTotal = 0; |
||
| 968 | // break; |
||
| 969 | // } |
||
| 970 | // $sttsFramesTotal += $frame_count; |
||
| 971 | // $sttsSecondsTotal += $frame_count / $frames_per_second; |
||
| 972 | //} |
||
| 973 | //if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) { |
||
| 974 | // if (($sttsFramesTotal / $sttsSecondsTotal) > $info['video']['frame_rate']) { |
||
| 975 | // $info['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal; |
||
| 976 | // } |
||
| 977 | //} |
||
| 978 | break; |
||
| 979 | |||
| 980 | |||
| 981 | View Code Duplication | case 'stss': // Sample Table Sync Sample (key frames) atom |
|
| 982 | if ($ParseAllPossibleAtoms) { |
||
| 983 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 984 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 985 | $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 986 | $stssEntriesDataOffset = 8; |
||
| 987 | for ($i = 0; $i < $atom_structure['number_entries']; $i++) { |
||
| 988 | $atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stssEntriesDataOffset, 4)); |
||
| 989 | $stssEntriesDataOffset += 4; |
||
| 990 | } |
||
| 991 | } |
||
| 992 | break; |
||
| 993 | |||
| 994 | |||
| 995 | case 'stsc': // Sample Table Sample-to-Chunk atom |
||
| 996 | if ($ParseAllPossibleAtoms) { |
||
| 997 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 998 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 999 | $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 1000 | $stscEntriesDataOffset = 8; |
||
| 1001 | View Code Duplication | for ($i = 0; $i < $atom_structure['number_entries']; $i++) { |
|
| 1002 | $atom_structure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); |
||
| 1003 | $stscEntriesDataOffset += 4; |
||
| 1004 | $atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); |
||
| 1005 | $stscEntriesDataOffset += 4; |
||
| 1006 | $atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); |
||
| 1007 | $stscEntriesDataOffset += 4; |
||
| 1008 | } |
||
| 1009 | } |
||
| 1010 | break; |
||
| 1011 | |||
| 1012 | |||
| 1013 | case 'stsz': // Sample Table SiZe atom |
||
| 1014 | if ($ParseAllPossibleAtoms) { |
||
| 1015 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1016 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 1017 | $atom_structure['sample_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 1018 | $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); |
||
| 1019 | $stszEntriesDataOffset = 12; |
||
| 1020 | if ($atom_structure['sample_size'] == 0) { |
||
| 1021 | for ($i = 0; $i < $atom_structure['number_entries']; $i++) { |
||
| 1022 | $atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4)); |
||
| 1023 | $stszEntriesDataOffset += 4; |
||
| 1024 | } |
||
| 1025 | } |
||
| 1026 | } |
||
| 1027 | break; |
||
| 1028 | |||
| 1029 | |||
| 1030 | View Code Duplication | case 'stco': // Sample Table Chunk Offset atom |
|
| 1031 | if ($ParseAllPossibleAtoms) { |
||
| 1032 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1033 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 1034 | $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 1035 | $stcoEntriesDataOffset = 8; |
||
| 1036 | for ($i = 0; $i < $atom_structure['number_entries']; $i++) { |
||
| 1037 | $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4)); |
||
| 1038 | $stcoEntriesDataOffset += 4; |
||
| 1039 | } |
||
| 1040 | } |
||
| 1041 | break; |
||
| 1042 | |||
| 1043 | |||
| 1044 | View Code Duplication | case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files) |
|
| 1045 | if ($ParseAllPossibleAtoms) { |
||
| 1046 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1047 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 1048 | $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 1049 | $stcoEntriesDataOffset = 8; |
||
| 1050 | for ($i = 0; $i < $atom_structure['number_entries']; $i++) { |
||
| 1051 | $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8)); |
||
| 1052 | $stcoEntriesDataOffset += 8; |
||
| 1053 | } |
||
| 1054 | } |
||
| 1055 | break; |
||
| 1056 | |||
| 1057 | |||
| 1058 | case 'dref': // Data REFerence atom |
||
| 1059 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1060 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 1061 | $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 1062 | $drefDataOffset = 8; |
||
| 1063 | for ($i = 0; $i < $atom_structure['number_entries']; $i++) { |
||
| 1064 | $atom_structure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 4)); |
||
| 1065 | $drefDataOffset += 4; |
||
| 1066 | $atom_structure['data_references'][$i]['type'] = substr($atom_data, $drefDataOffset, 4); |
||
| 1067 | $drefDataOffset += 4; |
||
| 1068 | $atom_structure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 1)); |
||
| 1069 | $drefDataOffset += 1; |
||
| 1070 | $atom_structure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 3)); // hardcoded: 0x0000 |
||
| 1071 | $drefDataOffset += 3; |
||
| 1072 | $atom_structure['data_references'][$i]['data'] = substr($atom_data, $drefDataOffset, ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3)); |
||
| 1073 | $drefDataOffset += ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3); |
||
| 1074 | |||
| 1075 | $atom_structure['data_references'][$i]['flags']['self_reference'] = (bool) ($atom_structure['data_references'][$i]['flags_raw'] & 0x001); |
||
| 1076 | } |
||
| 1077 | break; |
||
| 1078 | |||
| 1079 | |||
| 1080 | case 'gmin': // base Media INformation atom |
||
| 1081 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1082 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 1083 | $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); |
||
| 1084 | $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); |
||
| 1085 | $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); |
||
| 1086 | $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); |
||
| 1087 | $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 2)); |
||
| 1088 | $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); |
||
| 1089 | break; |
||
| 1090 | |||
| 1091 | |||
| 1092 | View Code Duplication | case 'smhd': // Sound Media information HeaDer atom |
|
| 1093 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1094 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 1095 | $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); |
||
| 1096 | $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); |
||
| 1097 | break; |
||
| 1098 | |||
| 1099 | |||
| 1100 | case 'vmhd': // Video Media information HeaDer atom |
||
| 1101 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1102 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); |
||
| 1103 | $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); |
||
| 1104 | $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); |
||
| 1105 | $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); |
||
| 1106 | $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); |
||
| 1107 | |||
| 1108 | $atom_structure['flags']['no_lean_ahead'] = (bool) ($atom_structure['flags_raw'] & 0x001); |
||
| 1109 | break; |
||
| 1110 | |||
| 1111 | |||
| 1112 | case 'hdlr': // HanDLeR reference atom |
||
| 1113 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1114 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 1115 | $atom_structure['component_type'] = substr($atom_data, 4, 4); |
||
| 1116 | $atom_structure['component_subtype'] = substr($atom_data, 8, 4); |
||
| 1117 | $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); |
||
| 1118 | $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); |
||
| 1119 | $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); |
||
| 1120 | $atom_structure['component_name'] = $this->Pascal2String(substr($atom_data, 24)); |
||
| 1121 | |||
| 1122 | if (($atom_structure['component_subtype'] == 'STpn') && ($atom_structure['component_manufacturer'] == 'zzzz')) { |
||
| 1123 | $info['video']['dataformat'] = 'quicktimevr'; |
||
| 1124 | } |
||
| 1125 | break; |
||
| 1126 | |||
| 1127 | |||
| 1128 | case 'mdhd': // MeDia HeaDer atom |
||
| 1129 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1130 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 1131 | $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 1132 | $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); |
||
| 1133 | $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); |
||
| 1134 | $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); |
||
| 1135 | $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 2)); |
||
| 1136 | $atom_structure['quality'] = getid3_lib::BigEndian2Int(substr($atom_data, 22, 2)); |
||
| 1137 | |||
| 1138 | if ($atom_structure['time_scale'] == 0) { |
||
| 1139 | $this->error('Corrupt Quicktime file: mdhd.time_scale == zero'); |
||
| 1140 | return false; |
||
| 1141 | } |
||
| 1142 | $info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']); |
||
| 1143 | |||
| 1144 | $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); |
||
| 1145 | $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); |
||
| 1146 | $atom_structure['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; |
||
| 1147 | $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); |
||
| 1148 | View Code Duplication | if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { |
|
| 1149 | $info['comments']['language'][] = $atom_structure['language']; |
||
| 1150 | } |
||
| 1151 | break; |
||
| 1152 | |||
| 1153 | |||
| 1154 | case 'pnot': // Preview atom |
||
| 1155 | $atom_structure['modification_date'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // "standard Macintosh format" |
||
| 1156 | $atom_structure['version_number'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x00 |
||
| 1157 | $atom_structure['atom_type'] = substr($atom_data, 6, 4); // usually: 'PICT' |
||
| 1158 | $atom_structure['atom_index'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); // usually: 0x01 |
||
| 1159 | |||
| 1160 | $atom_structure['modification_date_unix'] = getid3_lib::DateMac2Unix($atom_structure['modification_date']); |
||
| 1161 | break; |
||
| 1162 | |||
| 1163 | |||
| 1164 | View Code Duplication | case 'crgn': // Clipping ReGioN atom |
|
| 1165 | $atom_structure['region_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); // The Region size, Region boundary box, |
||
| 1166 | $atom_structure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 8)); // and Clipping region data fields |
||
| 1167 | $atom_structure['clipping_data'] = substr($atom_data, 10); // constitute a QuickDraw region. |
||
| 1168 | break; |
||
| 1169 | |||
| 1170 | |||
| 1171 | case 'load': // track LOAD settings atom |
||
| 1172 | $atom_structure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); |
||
| 1173 | $atom_structure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 1174 | $atom_structure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); |
||
| 1175 | $atom_structure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); |
||
| 1176 | |||
| 1177 | $atom_structure['default_hints']['double_buffer'] = (bool) ($atom_structure['default_hints_raw'] & 0x0020); |
||
| 1178 | $atom_structure['default_hints']['high_quality'] = (bool) ($atom_structure['default_hints_raw'] & 0x0100); |
||
| 1179 | break; |
||
| 1180 | |||
| 1181 | |||
| 1182 | case 'tmcd': // TiMe CoDe atom |
||
| 1183 | case 'chap': // CHAPter list atom |
||
| 1184 | case 'sync': // SYNChronization atom |
||
| 1185 | case 'scpt': // tranSCriPT atom |
||
| 1186 | View Code Duplication | case 'ssrc': // non-primary SouRCe atom |
|
| 1187 | for ($i = 0; $i < strlen($atom_data); $i += 4) { |
||
| 1188 | @$atom_structure['track_id'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); |
||
| 1189 | } |
||
| 1190 | break; |
||
| 1191 | |||
| 1192 | |||
| 1193 | case 'elst': // Edit LiST atom |
||
| 1194 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1195 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 1196 | $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 1197 | for ($i = 0; $i < $atom_structure['number_entries']; $i++ ) { |
||
| 1198 | $atom_structure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 0, 4)); |
||
| 1199 | $atom_structure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 4, 4)); |
||
| 1200 | $atom_structure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 8 + ($i * 12) + 8, 4)); |
||
| 1201 | } |
||
| 1202 | break; |
||
| 1203 | |||
| 1204 | |||
| 1205 | View Code Duplication | case 'kmat': // compressed MATte atom |
|
| 1206 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1207 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 |
||
| 1208 | $atom_structure['matte_data_raw'] = substr($atom_data, 4); |
||
| 1209 | break; |
||
| 1210 | |||
| 1211 | |||
| 1212 | case 'ctab': // Color TABle atom |
||
| 1213 | $atom_structure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // hardcoded: 0x00000000 |
||
| 1214 | $atom_structure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x8000 |
||
| 1215 | $atom_structure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)) + 1; |
||
| 1216 | for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) { |
||
| 1217 | $atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 0, 2)); |
||
| 1218 | $atom_structure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 2, 2)); |
||
| 1219 | $atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 4, 2)); |
||
| 1220 | $atom_structure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 6, 2)); |
||
| 1221 | } |
||
| 1222 | break; |
||
| 1223 | |||
| 1224 | |||
| 1225 | case 'mvhd': // MoVie HeaDer atom |
||
| 1226 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1227 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); |
||
| 1228 | $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 1229 | $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); |
||
| 1230 | $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); |
||
| 1231 | $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); |
||
| 1232 | $atom_structure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 20, 4)); |
||
| 1233 | $atom_structure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 24, 2)); |
||
| 1234 | $atom_structure['reserved'] = substr($atom_data, 26, 10); |
||
| 1235 | $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 36, 4)); |
||
| 1236 | $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); |
||
| 1237 | $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 44, 4)); |
||
| 1238 | $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4)); |
||
| 1239 | $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); |
||
| 1240 | $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 56, 4)); |
||
| 1241 | $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4)); |
||
| 1242 | $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); |
||
| 1243 | $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4)); |
||
| 1244 | $atom_structure['preview_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 72, 4)); |
||
| 1245 | $atom_structure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 76, 4)); |
||
| 1246 | $atom_structure['poster_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 80, 4)); |
||
| 1247 | $atom_structure['selection_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 84, 4)); |
||
| 1248 | $atom_structure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 88, 4)); |
||
| 1249 | $atom_structure['current_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 92, 4)); |
||
| 1250 | $atom_structure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 96, 4)); |
||
| 1251 | |||
| 1252 | if ($atom_structure['time_scale'] == 0) { |
||
| 1253 | $this->error('Corrupt Quicktime file: mvhd.time_scale == zero'); |
||
| 1254 | return false; |
||
| 1255 | } |
||
| 1256 | $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); |
||
| 1257 | $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); |
||
| 1258 | $info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']); |
||
| 1259 | $info['quicktime']['display_scale'] = $atom_structure['matrix_a']; |
||
| 1260 | $info['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; |
||
| 1261 | break; |
||
| 1262 | |||
| 1263 | |||
| 1264 | case 'tkhd': // TracK HeaDer atom |
||
| 1265 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1266 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); |
||
| 1267 | $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 1268 | $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); |
||
| 1269 | $atom_structure['trackid'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); |
||
| 1270 | $atom_structure['reserved1'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); |
||
| 1271 | $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); |
||
| 1272 | $atom_structure['reserved2'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 8)); |
||
| 1273 | $atom_structure['layer'] = getid3_lib::BigEndian2Int(substr($atom_data, 32, 2)); |
||
| 1274 | $atom_structure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atom_data, 34, 2)); |
||
| 1275 | $atom_structure['volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 36, 2)); |
||
| 1276 | $atom_structure['reserved3'] = getid3_lib::BigEndian2Int(substr($atom_data, 38, 2)); |
||
| 1277 | // http://developer.apple.com/library/mac/#documentation/QuickTime/RM/MovieBasics/MTEditing/K-Chapter/11MatrixFunctions.html |
||
| 1278 | // http://developer.apple.com/library/mac/#documentation/QuickTime/qtff/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-18737 |
||
| 1279 | $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); |
||
| 1280 | $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 44, 4)); |
||
| 1281 | $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 48, 4)); |
||
| 1282 | $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); |
||
| 1283 | $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 56, 4)); |
||
| 1284 | $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 60, 4)); |
||
| 1285 | $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); |
||
| 1286 | $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 68, 4)); |
||
| 1287 | $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 72, 4)); |
||
| 1288 | $atom_structure['width'] = getid3_lib::FixedPoint16_16(substr($atom_data, 76, 4)); |
||
| 1289 | $atom_structure['height'] = getid3_lib::FixedPoint16_16(substr($atom_data, 80, 4)); |
||
| 1290 | $atom_structure['flags']['enabled'] = (bool) ($atom_structure['flags_raw'] & 0x0001); |
||
| 1291 | $atom_structure['flags']['in_movie'] = (bool) ($atom_structure['flags_raw'] & 0x0002); |
||
| 1292 | $atom_structure['flags']['in_preview'] = (bool) ($atom_structure['flags_raw'] & 0x0004); |
||
| 1293 | $atom_structure['flags']['in_poster'] = (bool) ($atom_structure['flags_raw'] & 0x0008); |
||
| 1294 | $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); |
||
| 1295 | $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); |
||
| 1296 | |||
| 1297 | if ($atom_structure['flags']['enabled'] == 1) { |
||
| 1298 | if (!isset($info['video']['resolution_x']) || !isset($info['video']['resolution_y'])) { |
||
| 1299 | $info['video']['resolution_x'] = $atom_structure['width']; |
||
| 1300 | $info['video']['resolution_y'] = $atom_structure['height']; |
||
| 1301 | } |
||
| 1302 | $info['video']['resolution_x'] = max($info['video']['resolution_x'], $atom_structure['width']); |
||
| 1303 | $info['video']['resolution_y'] = max($info['video']['resolution_y'], $atom_structure['height']); |
||
| 1304 | $info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x']; |
||
| 1305 | $info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y']; |
||
| 1306 | } else { |
||
| 1307 | // see: http://www.getid3.org/phpBB3/viewtopic.php?t=1295 |
||
| 1308 | //if (isset($info['video']['resolution_x'])) { unset($info['video']['resolution_x']); } |
||
| 1309 | //if (isset($info['video']['resolution_y'])) { unset($info['video']['resolution_y']); } |
||
| 1310 | //if (isset($info['quicktime']['video'])) { unset($info['quicktime']['video']); } |
||
| 1311 | } |
||
| 1312 | break; |
||
| 1313 | |||
| 1314 | |||
| 1315 | case 'iods': // Initial Object DeScriptor atom |
||
| 1316 | // http://www.koders.com/c/fid1FAB3E762903DC482D8A246D4A4BF9F28E049594.aspx?s=windows.h |
||
| 1317 | // http://libquicktime.sourcearchive.com/documentation/1.0.2plus-pdebian/iods_8c-source.html |
||
| 1318 | $offset = 0; |
||
| 1319 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); |
||
| 1320 | $offset += 1; |
||
| 1321 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 3)); |
||
| 1322 | $offset += 3; |
||
| 1323 | $atom_structure['mp4_iod_tag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); |
||
| 1324 | $offset += 1; |
||
| 1325 | $atom_structure['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); |
||
| 1326 | //$offset already adjusted by quicktime_read_mp4_descr_length() |
||
| 1327 | $atom_structure['object_descriptor_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); |
||
| 1328 | $offset += 2; |
||
| 1329 | $atom_structure['od_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); |
||
| 1330 | $offset += 1; |
||
| 1331 | $atom_structure['scene_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); |
||
| 1332 | $offset += 1; |
||
| 1333 | $atom_structure['audio_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); |
||
| 1334 | $offset += 1; |
||
| 1335 | $atom_structure['video_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); |
||
| 1336 | $offset += 1; |
||
| 1337 | $atom_structure['graphics_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); |
||
| 1338 | $offset += 1; |
||
| 1339 | |||
| 1340 | $atom_structure['num_iods_tracks'] = ($atom_structure['length'] - 7) / 6; // 6 bytes would only be right if all tracks use 1-byte length fields |
||
| 1341 | View Code Duplication | for ($i = 0; $i < $atom_structure['num_iods_tracks']; $i++) { |
|
| 1342 | $atom_structure['track'][$i]['ES_ID_IncTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); |
||
| 1343 | $offset += 1; |
||
| 1344 | $atom_structure['track'][$i]['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); |
||
| 1345 | //$offset already adjusted by quicktime_read_mp4_descr_length() |
||
| 1346 | $atom_structure['track'][$i]['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4)); |
||
| 1347 | $offset += 4; |
||
| 1348 | } |
||
| 1349 | |||
| 1350 | $atom_structure['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']); |
||
| 1351 | $atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']); |
||
| 1352 | break; |
||
| 1353 | |||
| 1354 | View Code Duplication | case 'ftyp': // FileTYPe (?) atom (for MP4 it seems) |
|
| 1355 | $atom_structure['signature'] = substr($atom_data, 0, 4); |
||
| 1356 | $atom_structure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 1357 | $atom_structure['fourcc'] = substr($atom_data, 8, 4); |
||
| 1358 | break; |
||
| 1359 | |||
| 1360 | case 'mdat': // Media DATa atom |
||
| 1361 | // 'mdat' contains the actual data for the audio/video, possibly also subtitles |
||
| 1362 | |||
| 1363 | /* due to lack of known documentation, this is a kludge implementation. If you know of documentation on how mdat is properly structed, please send it to [email protected] */ |
||
| 1364 | |||
| 1365 | // first, skip any 'wide' padding, and second 'mdat' header (with specified size of zero?) |
||
| 1366 | $mdat_offset = 0; |
||
| 1367 | while (true) { |
||
| 1368 | if (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x08".'wide') { |
||
| 1369 | $mdat_offset += 8; |
||
| 1370 | } elseif (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x00".'mdat') { |
||
| 1371 | $mdat_offset += 8; |
||
| 1372 | } else { |
||
| 1373 | break; |
||
| 1374 | } |
||
| 1375 | } |
||
| 1376 | |||
| 1377 | // check to see if it looks like chapter titles, in the form of unterminated strings with a leading 16-bit size field |
||
| 1378 | while (($mdat_offset < (strlen($atom_data) - 8)) |
||
| 1379 | && ($chapter_string_length = getid3_lib::BigEndian2Int(substr($atom_data, $mdat_offset, 2))) |
||
| 1380 | && ($chapter_string_length < 1000) |
||
| 1381 | && ($chapter_string_length <= (strlen($atom_data) - $mdat_offset - 2)) |
||
| 1382 | && preg_match('#^([\x00-\xFF]{2})([\x20-\xFF]+)$#', substr($atom_data, $mdat_offset, $chapter_string_length + 2), $chapter_matches)) { |
||
| 1383 | list($dummy, $chapter_string_length_hex, $chapter_string) = $chapter_matches; |
||
| 1384 | $mdat_offset += (2 + $chapter_string_length); |
||
| 1385 | @$info['quicktime']['comments']['chapters'][] = $chapter_string; |
||
| 1386 | |||
| 1387 | // "encd" atom specifies encoding. In theory could be anything, almost always UTF-8, but may be UTF-16 with BOM (not currently handled) |
||
| 1388 | if (substr($atom_data, $mdat_offset, 12) == "\x00\x00\x00\x0C\x65\x6E\x63\x64\x00\x00\x01\x00") { // UTF-8 |
||
| 1389 | $mdat_offset += 12; |
||
| 1390 | } |
||
| 1391 | } |
||
| 1392 | |||
| 1393 | |||
| 1394 | if (($atomsize > 8) && (!isset($info['avdataend_tmp']) || ($info['quicktime'][$atomname]['size'] > ($info['avdataend_tmp'] - $info['avdataoffset'])))) { |
||
| 1395 | |||
| 1396 | $info['avdataoffset'] = $atom_structure['offset'] + 8; // $info['quicktime'][$atomname]['offset'] + 8; |
||
| 1397 | $OldAVDataEnd = $info['avdataend']; |
||
| 1398 | $info['avdataend'] = $atom_structure['offset'] + $atom_structure['size']; // $info['quicktime'][$atomname]['offset'] + $info['quicktime'][$atomname]['size']; |
||
| 1399 | |||
| 1400 | $getid3_temp = new getID3(); |
||
| 1401 | $getid3_temp->openfile($this->getid3->filename); |
||
| 1402 | $getid3_temp->info['avdataoffset'] = $info['avdataoffset']; |
||
| 1403 | $getid3_temp->info['avdataend'] = $info['avdataend']; |
||
| 1404 | $getid3_mp3 = new getid3_mp3($getid3_temp); |
||
| 1405 | if ($getid3_mp3->MPEGaudioHeaderValid($getid3_mp3->MPEGaudioHeaderDecode($this->fread(4)))) { |
||
| 1406 | $getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false); |
||
| 1407 | if (!empty($getid3_temp->info['warning'])) { |
||
| 1408 | foreach ($getid3_temp->info['warning'] as $value) { |
||
| 1409 | $this->warning($value); |
||
| 1410 | } |
||
| 1411 | } |
||
| 1412 | if (!empty($getid3_temp->info['mpeg'])) { |
||
| 1413 | $info['mpeg'] = $getid3_temp->info['mpeg']; |
||
| 1414 | if (isset($info['mpeg']['audio'])) { |
||
| 1415 | $info['audio']['dataformat'] = 'mp3'; |
||
| 1416 | $info['audio']['codec'] = (!empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' :'mp3'))); |
||
| 1417 | $info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate']; |
||
| 1418 | $info['audio']['channels'] = $info['mpeg']['audio']['channels']; |
||
| 1419 | $info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate']; |
||
| 1420 | $info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']); |
||
| 1421 | $info['bitrate'] = $info['audio']['bitrate']; |
||
| 1422 | } |
||
| 1423 | } |
||
| 1424 | } |
||
| 1425 | unset($getid3_mp3, $getid3_temp); |
||
| 1426 | $info['avdataend'] = $OldAVDataEnd; |
||
| 1427 | unset($OldAVDataEnd); |
||
| 1428 | |||
| 1429 | } |
||
| 1430 | |||
| 1431 | unset($mdat_offset, $chapter_string_length, $chapter_matches); |
||
| 1432 | break; |
||
| 1433 | |||
| 1434 | case 'free': // FREE space atom |
||
| 1435 | case 'skip': // SKIP atom |
||
| 1436 | case 'wide': // 64-bit expansion placeholder atom |
||
| 1437 | // 'free', 'skip' and 'wide' are just padding, contains no useful data at all |
||
| 1438 | |||
| 1439 | // When writing QuickTime files, it is sometimes necessary to update an atom's size. |
||
| 1440 | // It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom |
||
| 1441 | // is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime |
||
| 1442 | // puts an 8-byte placeholder atom before any atoms it may have to update the size of. |
||
| 1443 | // In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the |
||
| 1444 | // placeholder atom can be overwritten to obtain the necessary 8 extra bytes. |
||
| 1445 | // The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ). |
||
| 1446 | break; |
||
| 1447 | |||
| 1448 | |||
| 1449 | case 'nsav': // NoSAVe atom |
||
| 1450 | // http://developer.apple.com/technotes/tn/tn2038.html |
||
| 1451 | $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); |
||
| 1452 | break; |
||
| 1453 | |||
| 1454 | case 'ctyp': // Controller TYPe atom (seen on QTVR) |
||
| 1455 | // http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt |
||
| 1456 | // some controller names are: |
||
| 1457 | // 0x00 + 'std' for linear movie |
||
| 1458 | // 'none' for no controls |
||
| 1459 | $atom_structure['ctyp'] = substr($atom_data, 0, 4); |
||
| 1460 | $info['quicktime']['controller'] = $atom_structure['ctyp']; |
||
| 1461 | switch ($atom_structure['ctyp']) { |
||
| 1462 | case 'qtvr': |
||
| 1463 | $info['video']['dataformat'] = 'quicktimevr'; |
||
| 1464 | break; |
||
| 1465 | } |
||
| 1466 | break; |
||
| 1467 | |||
| 1468 | case 'pano': // PANOrama track (seen on QTVR) |
||
| 1469 | $atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); |
||
| 1470 | break; |
||
| 1471 | |||
| 1472 | case 'hint': // HINT track |
||
| 1473 | case 'hinf': // |
||
| 1474 | case 'hinv': // |
||
| 1475 | case 'hnti': // |
||
| 1476 | $info['quicktime']['hinting'] = true; |
||
| 1477 | break; |
||
| 1478 | |||
| 1479 | case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR) |
||
| 1480 | for ($i = 0; $i < ($atom_structure['size'] - 8); $i += 4) { |
||
| 1481 | $atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); |
||
| 1482 | } |
||
| 1483 | break; |
||
| 1484 | |||
| 1485 | |||
| 1486 | // Observed-but-not-handled atom types are just listed here to prevent warnings being generated |
||
| 1487 | case 'FXTC': // Something to do with Adobe After Effects (?) |
||
| 1488 | case 'PrmA': |
||
| 1489 | case 'code': |
||
| 1490 | case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html |
||
| 1491 | case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html |
||
| 1492 | // tapt seems to be used to compute the video size [http://www.getid3.org/phpBB3/viewtopic.php?t=838] |
||
| 1493 | // * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html |
||
| 1494 | // * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html |
||
| 1495 | case 'ctts':// STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html |
||
| 1496 | case 'cslg':// STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html |
||
| 1497 | case 'sdtp':// STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html |
||
| 1498 | case 'stps':// STPartialSyncSampleAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html |
||
| 1499 | //$atom_structure['data'] = $atom_data; |
||
| 1500 | break; |
||
| 1501 | |||
| 1502 | case "\xA9".'xyz': // GPS latitude+longitude+altitude |
||
| 1503 | $atom_structure['data'] = $atom_data; |
||
| 1504 | if (preg_match('#([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)?/$#i', $atom_data, $matches)) { |
||
| 1505 | @list($all, $latitude, $longitude, $altitude) = $matches; |
||
| 1506 | $info['quicktime']['comments']['gps_latitude'][] = floatval($latitude); |
||
| 1507 | $info['quicktime']['comments']['gps_longitude'][] = floatval($longitude); |
||
| 1508 | if (!empty($altitude)) { |
||
| 1509 | $info['quicktime']['comments']['gps_altitude'][] = floatval($altitude); |
||
| 1510 | } |
||
| 1511 | } else { |
||
| 1512 | $this->warning('QuickTime atom "©xyz" data does not match expected data pattern at offset '.$baseoffset.'. Please report as getID3() bug.'); |
||
| 1513 | } |
||
| 1514 | break; |
||
| 1515 | |||
| 1516 | case 'NCDT': |
||
| 1517 | // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html |
||
| 1518 | // Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100 |
||
| 1519 | $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms); |
||
| 1520 | break; |
||
| 1521 | case 'NCTH': // Nikon Camera THumbnail image |
||
| 1522 | case 'NCVW': // Nikon Camera preVieW image |
||
| 1523 | // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html |
||
| 1524 | if (preg_match('/^\xFF\xD8\xFF/', $atom_data)) { |
||
| 1525 | $atom_structure['data'] = $atom_data; |
||
| 1526 | $atom_structure['image_mime'] = 'image/jpeg'; |
||
| 1527 | $atom_structure['description'] = (($atomname == 'NCTH') ? 'Nikon Camera Thumbnail Image' : (($atomname == 'NCVW') ? 'Nikon Camera Preview Image' : 'Nikon preview image')); |
||
| 1528 | $info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_data, 'description'=>$atom_structure['description']); |
||
| 1529 | } |
||
| 1530 | break; |
||
| 1531 | case 'NCTG': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG |
||
| 1532 | $atom_structure['data'] = $this->QuicktimeParseNikonNCTG($atom_data); |
||
| 1533 | break; |
||
| 1534 | case 'NCHD': // Nikon:MakerNoteVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html |
||
| 1535 | case 'NCDB': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html |
||
| 1536 | case 'CNCV': // Canon:CompressorVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Canon.html |
||
| 1537 | $atom_structure['data'] = $atom_data; |
||
| 1538 | break; |
||
| 1539 | |||
| 1540 | View Code Duplication | case "\x00\x00\x00\x00": |
|
| 1541 | // some kind of metacontainer, may contain a big data dump such as: |
||
| 1542 | // mdta keys \005 mdtacom.apple.quicktime.make (mdtacom.apple.quicktime.creationdate ,mdtacom.apple.quicktime.location.ISO6709 $mdtacom.apple.quicktime.software !mdtacom.apple.quicktime.model ilst \01D \001 \015data \001DE\010Apple 0 \002 (data \001DE\0102011-05-11T17:54:04+0200 2 \003 *data \001DE\010+52.4936+013.3897+040.247/ \01D \004 \015data \001DE\0104.3.1 \005 \018data \001DE\010iPhone 4 |
||
| 1543 | // http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt |
||
| 1544 | |||
| 1545 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1546 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); |
||
| 1547 | $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom(substr($atom_data, 4), $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); |
||
| 1548 | //$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); |
||
| 1549 | break; |
||
| 1550 | |||
| 1551 | View Code Duplication | case 'meta': // METAdata atom |
|
| 1552 | // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html |
||
| 1553 | |||
| 1554 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1555 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); |
||
| 1556 | $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); |
||
| 1557 | break; |
||
| 1558 | |||
| 1559 | case 'data': // metaDATA atom |
||
| 1560 | static $metaDATAkey = 1; // real ugly, but so is the QuickTime structure that stores keys and values in different multinested locations that are hard to relate to each other |
||
| 1561 | // seems to be 2 bytes language code (ASCII), 2 bytes unknown (set to 0x10B5 in sample I have), remainder is useful data |
||
| 1562 | $atom_structure['language'] = substr($atom_data, 4 + 0, 2); |
||
| 1563 | $atom_structure['unknown'] = getid3_lib::BigEndian2Int(substr($atom_data, 4 + 2, 2)); |
||
| 1564 | $atom_structure['data'] = substr($atom_data, 4 + 4); |
||
| 1565 | $atom_structure['key_name'] = @$info['quicktime']['temp_meta_key_names'][$metaDATAkey++]; |
||
| 1566 | |||
| 1567 | if ($atom_structure['key_name'] && $atom_structure['data']) { |
||
| 1568 | @$info['quicktime']['comments'][str_replace('com.apple.quicktime.', '', $atom_structure['key_name'])][] = $atom_structure['data']; |
||
| 1569 | } |
||
| 1570 | break; |
||
| 1571 | |||
| 1572 | case 'keys': // KEYS that may be present in the metadata atom. |
||
| 1573 | // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html#//apple_ref/doc/uid/TP40000939-CH1-SW21 |
||
| 1574 | // The metadata item keys atom holds a list of the metadata keys that may be present in the metadata atom. |
||
| 1575 | // This list is indexed starting with 1; 0 is a reserved index value. The metadata item keys atom is a full atom with an atom type of "keys". |
||
| 1576 | $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); |
||
| 1577 | $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); |
||
| 1578 | $atom_structure['entry_count'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); |
||
| 1579 | $keys_atom_offset = 8; |
||
| 1580 | for ($i = 1; $i <= $atom_structure['entry_count']; $i++) { |
||
| 1581 | $atom_structure['keys'][$i]['key_size'] = getid3_lib::BigEndian2Int(substr($atom_data, $keys_atom_offset + 0, 4)); |
||
| 1582 | $atom_structure['keys'][$i]['key_namespace'] = substr($atom_data, $keys_atom_offset + 4, 4); |
||
| 1583 | $atom_structure['keys'][$i]['key_value'] = substr($atom_data, $keys_atom_offset + 8, $atom_structure['keys'][$i]['key_size'] - 8); |
||
| 1584 | $keys_atom_offset += $atom_structure['keys'][$i]['key_size']; // key_size includes the 4+4 bytes for key_size and key_namespace |
||
| 1585 | |||
| 1586 | $info['quicktime']['temp_meta_key_names'][$i] = $atom_structure['keys'][$i]['key_value']; |
||
| 1587 | } |
||
| 1588 | break; |
||
| 1589 | |||
| 1590 | case 'gps ': |
||
| 1591 | // https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730 |
||
| 1592 | // The 'gps ' contains simple look up table made up of 8byte rows, that point to the 'free' atoms that contains the actual GPS data. |
||
| 1593 | // The first row is version/metadata/notsure, I skip that. |
||
| 1594 | // The following rows consist of 4byte address (absolute) and 4byte size (0x1000), these point to the GPS data in the file. |
||
| 1595 | |||
| 1596 | $GPS_rowsize = 8; // 4 bytes for offset, 4 bytes for size |
||
| 1597 | if (strlen($atom_data) > 0) { |
||
| 1598 | if ((strlen($atom_data) % $GPS_rowsize) == 0) { |
||
| 1599 | $atom_structure['gps_toc'] = array(); |
||
| 1600 | foreach (str_split($atom_data, $GPS_rowsize) as $counter => $datapair) { |
||
| 1601 | $atom_structure['gps_toc'][] = unpack('Noffset/Nsize', substr($atom_data, $counter * $GPS_rowsize, $GPS_rowsize)); |
||
| 1602 | } |
||
| 1603 | |||
| 1604 | $atom_structure['gps_entries'] = array(); |
||
| 1605 | $previous_offset = $this->ftell(); |
||
| 1606 | foreach ($atom_structure['gps_toc'] as $key => $gps_pointer) { |
||
| 1607 | if ($key == 0) { |
||
| 1608 | // "The first row is version/metadata/notsure, I skip that." |
||
| 1609 | continue; |
||
| 1610 | } |
||
| 1611 | $this->fseek($gps_pointer['offset']); |
||
| 1612 | $GPS_free_data = $this->fread($gps_pointer['size']); |
||
| 1613 | |||
| 1614 | /* |
||
| 1615 | // 2017-05-10: I see some of the data, notably the Hour-Minute-Second, but cannot reconcile the rest of the data. However, the NMEA "GPRMC" line is there and relatively easy to parse, so I'm using that instead |
||
| 1616 | |||
| 1617 | // https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730 |
||
| 1618 | // The structure of the GPS data atom (the 'free' atoms mentioned above) is following: |
||
| 1619 | // hour,minute,second,year,month,day,active,latitude_b,longitude_b,unknown2,latitude,longitude,speed = struct.unpack_from('<IIIIIIssssfff',data, 48) |
||
| 1620 | // For those unfamiliar with python struct: |
||
| 1621 | // I = int |
||
| 1622 | // s = is string (size 1, in this case) |
||
| 1623 | // f = float |
||
| 1624 | |||
| 1625 | //$atom_structure['gps_entries'][$key] = unpack('Vhour/Vminute/Vsecond/Vyear/Vmonth/Vday/Vactive/Vlatitude_b/Vlongitude_b/Vunknown2/flatitude/flongitude/fspeed', substr($GPS_free_data, 48)); |
||
| 1626 | */ |
||
| 1627 | |||
| 1628 | // $GPRMC,081836,A,3751.65,S,14507.36,E,000.0,360.0,130998,011.3,E*62 |
||
| 1629 | // $GPRMC,183731,A,3907.482,N,12102.436,W,000.0,360.0,080301,015.5,E*67 |
||
| 1630 | // $GPRMC,002454,A,3553.5295,N,13938.6570,E,0.0,43.1,180700,7.1,W,A*3F |
||
| 1631 | // $GPRMC,094347.000,A,5342.0061,N,00737.9908,W,0.01,156.75,140217,,,A*7D |
||
| 1632 | if (preg_match('#\\$GPRMC,([0-9\\.]*),([AV]),([0-9\\.]*),([NS]),([0-9\\.]*),([EW]),([0-9\\.]*),([0-9\\.]*),([0-9]*),([0-9\\.]*),([EW]?)(,[A])?(\\*[0-9A-F]{2})#', $GPS_free_data, $matches)) { |
||
| 1633 | $GPS_this_GPRMC = array(); |
||
| 1634 | list( |
||
| 1635 | $GPS_this_GPRMC['raw']['gprmc'], |
||
| 1636 | $GPS_this_GPRMC['raw']['timestamp'], |
||
| 1637 | $GPS_this_GPRMC['raw']['status'], |
||
| 1638 | $GPS_this_GPRMC['raw']['latitude'], |
||
| 1639 | $GPS_this_GPRMC['raw']['latitude_direction'], |
||
| 1640 | $GPS_this_GPRMC['raw']['longitude'], |
||
| 1641 | $GPS_this_GPRMC['raw']['longitude_direction'], |
||
| 1642 | $GPS_this_GPRMC['raw']['knots'], |
||
| 1643 | $GPS_this_GPRMC['raw']['angle'], |
||
| 1644 | $GPS_this_GPRMC['raw']['datestamp'], |
||
| 1645 | $GPS_this_GPRMC['raw']['variation'], |
||
| 1646 | $GPS_this_GPRMC['raw']['variation_direction'], |
||
| 1647 | $dummy, |
||
| 1648 | $GPS_this_GPRMC['raw']['checksum'], |
||
| 1649 | ) = $matches; |
||
| 1650 | |||
| 1651 | $hour = substr($GPS_this_GPRMC['raw']['timestamp'], 0, 2); |
||
| 1652 | $minute = substr($GPS_this_GPRMC['raw']['timestamp'], 2, 2); |
||
| 1653 | $second = substr($GPS_this_GPRMC['raw']['timestamp'], 4, 2); |
||
| 1654 | $ms = substr($GPS_this_GPRMC['raw']['timestamp'], 6); // may contain decimal seconds |
||
| 1655 | $day = substr($GPS_this_GPRMC['raw']['datestamp'], 0, 2); |
||
| 1656 | $month = substr($GPS_this_GPRMC['raw']['datestamp'], 2, 2); |
||
| 1657 | $year = substr($GPS_this_GPRMC['raw']['datestamp'], 4, 2); |
||
| 1658 | $year += (($year > 90) ? 1900 : 2000); // complete lack of foresight: datestamps are stored with 2-digit years, take best guess |
||
| 1659 | $GPS_this_GPRMC['timestamp'] = $year.'-'.$month.'-'.$day.' '.$hour.':'.$minute.':'.$second.$ms; |
||
| 1660 | |||
| 1661 | $GPS_this_GPRMC['active'] = ($GPS_this_GPRMC['raw']['status'] == 'A'); // A=Active,V=Void |
||
| 1662 | |||
| 1663 | foreach (array('latitude','longitude') as $latlon) { |
||
| 1664 | preg_match('#^([0-9]{1,3})([0-9]{2}\\.[0-9]+)$#', $GPS_this_GPRMC['raw'][$latlon], $matches); |
||
| 1665 | list($dummy, $deg, $min) = $matches; |
||
| 1666 | $GPS_this_GPRMC[$latlon] = $deg + ($min / 60); |
||
| 1667 | } |
||
| 1668 | $GPS_this_GPRMC['latitude'] *= (($GPS_this_GPRMC['raw']['latitude_direction'] == 'S') ? -1 : 1); |
||
| 1669 | $GPS_this_GPRMC['longitude'] *= (($GPS_this_GPRMC['raw']['longitude_direction'] == 'W') ? -1 : 1); |
||
| 1670 | |||
| 1671 | $GPS_this_GPRMC['heading'] = $GPS_this_GPRMC['raw']['angle']; |
||
| 1672 | $GPS_this_GPRMC['speed_knot'] = $GPS_this_GPRMC['raw']['knots']; |
||
| 1673 | $GPS_this_GPRMC['speed_kmh'] = $GPS_this_GPRMC['raw']['knots'] * 1.852; |
||
| 1674 | if ($GPS_this_GPRMC['raw']['variation']) { |
||
| 1675 | $GPS_this_GPRMC['variation'] = $GPS_this_GPRMC['raw']['variation']; |
||
| 1676 | $GPS_this_GPRMC['variation'] *= (($GPS_this_GPRMC['raw']['variation_direction'] == 'W') ? -1 : 1); |
||
| 1677 | } |
||
| 1678 | |||
| 1679 | $atom_structure['gps_entries'][$key] = $GPS_this_GPRMC; |
||
| 1680 | |||
| 1681 | @$info['quicktime']['gps_track'][$GPS_this_GPRMC['timestamp']] = array( |
||
| 1682 | 'latitude' => $GPS_this_GPRMC['latitude'], |
||
| 1683 | 'longitude' => $GPS_this_GPRMC['longitude'], |
||
| 1684 | 'speed_kmh' => $GPS_this_GPRMC['speed_kmh'], |
||
| 1685 | 'heading' => $GPS_this_GPRMC['heading'], |
||
| 1686 | ); |
||
| 1687 | |||
| 1688 | } else { |
||
| 1689 | $this->warning('Unhandled GPS format in "free" atom at offset '.$gps_pointer['offset']); |
||
| 1690 | } |
||
| 1691 | } |
||
| 1692 | $this->fseek($previous_offset); |
||
| 1693 | |||
| 1694 | } else { |
||
| 1695 | $this->warning('QuickTime atom "'.$atomname.'" is not mod-8 bytes long ('.$atomsize.' bytes) at offset '.$baseoffset); |
||
| 1696 | } |
||
| 1697 | } else { |
||
| 1698 | $this->warning('QuickTime atom "'.$atomname.'" is zero bytes long at offset '.$baseoffset); |
||
| 1699 | } |
||
| 1700 | break; |
||
| 1701 | |||
| 1702 | case 'loci':// 3GP location (El Loco) |
||
| 1703 | $loffset = 0; |
||
| 1704 | $info['quicktime']['comments']['gps_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); |
||
| 1705 | $info['quicktime']['comments']['gps_lang'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); |
||
| 1706 | $info['quicktime']['comments']['gps_location'] = $this->LociString(substr($atom_data, 6), $loffset); |
||
| 1707 | $loci_data = substr($atom_data, 6 + $loffset); |
||
| 1708 | $info['quicktime']['comments']['gps_role'] = getid3_lib::BigEndian2Int(substr($loci_data, 0, 1)); |
||
| 1709 | $info['quicktime']['comments']['gps_longitude'] = getid3_lib::FixedPoint16_16(substr($loci_data, 1, 4)); |
||
| 1710 | $info['quicktime']['comments']['gps_latitude'] = getid3_lib::FixedPoint16_16(substr($loci_data, 5, 4)); |
||
| 1711 | $info['quicktime']['comments']['gps_altitude'] = getid3_lib::FixedPoint16_16(substr($loci_data, 9, 4)); |
||
| 1712 | $info['quicktime']['comments']['gps_body'] = $this->LociString(substr($loci_data, 13 ), $loffset); |
||
| 1713 | $info['quicktime']['comments']['gps_notes'] = $this->LociString(substr($loci_data, 13 + $loffset), $loffset); |
||
| 1714 | break; |
||
| 1715 | |||
| 1716 | case 'chpl': // CHaPter List |
||
| 1717 | // https://www.adobe.com/content/dam/Adobe/en/devnet/flv/pdfs/video_file_format_spec_v10.pdf |
||
| 1718 | $chpl_version = getid3_lib::BigEndian2Int(substr($atom_data, 4, 1)); // Expected to be 0 |
||
| 1719 | $chpl_flags = getid3_lib::BigEndian2Int(substr($atom_data, 5, 3)); // Reserved, set to 0 |
||
| 1720 | $chpl_count = getid3_lib::BigEndian2Int(substr($atom_data, 8, 1)); |
||
| 1721 | $chpl_offset = 9; |
||
| 1722 | for ($i = 0; $i < $chpl_count; $i++) { |
||
| 1723 | if (($chpl_offset + 9) >= strlen($atom_data)) { |
||
| 1724 | $this->warning('QuickTime chapter '.$i.' extends beyond end of "chpl" atom'); |
||
| 1725 | break; |
||
| 1726 | } |
||
| 1727 | $info['quicktime']['chapters'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($atom_data, $chpl_offset, 8)) / 10000000; // timestamps are stored as 100-nanosecond units |
||
| 1728 | $chpl_offset += 8; |
||
| 1729 | $chpl_title_size = getid3_lib::BigEndian2Int(substr($atom_data, $chpl_offset, 1)); |
||
| 1730 | $chpl_offset += 1; |
||
| 1731 | $info['quicktime']['chapters'][$i]['title'] = substr($atom_data, $chpl_offset, $chpl_title_size); |
||
| 1732 | $chpl_offset += $chpl_title_size; |
||
| 1733 | } |
||
| 1734 | break; |
||
| 1735 | |||
| 1736 | View Code Duplication | default: |
|
| 1737 | $this->warning('Unknown QuickTime atom type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" ('.trim(getid3_lib::PrintHexBytes($atomname)).') at offset '.$baseoffset); |
||
| 1738 | $atom_structure['data'] = $atom_data; |
||
| 1739 | break; |
||
| 1740 | } |
||
| 1741 | array_pop($atomHierarchy); |
||
| 1742 | return $atom_structure; |
||
| 1743 | } |
||
| 1744 | |||
| 2690 |
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If the size of the collection does not change during the iteration, it is generally a good practice to compute it beforehand, and not on each iteration: