wp/wp-includes/ID3/module.audio-video.quicktime.php
changeset 16 a86126ab1dd4
parent 7 cf61fcea0001
child 19 3d72ae0968f4
equal deleted inserted replaced
15:3d4e9c994f10 16:a86126ab1dd4
     1 <?php
     1 <?php
       
     2 
     2 /////////////////////////////////////////////////////////////////
     3 /////////////////////////////////////////////////////////////////
     3 /// getID3() by James Heinrich <info@getid3.org>               //
     4 /// getID3() by James Heinrich <info@getid3.org>               //
     4 //  available at http://getid3.sourceforge.net                 //
     5 //  available at https://github.com/JamesHeinrich/getID3       //
     5 //            or http://www.getid3.org                         //
     6 //            or https://www.getid3.org                        //
     6 //          also https://github.com/JamesHeinrich/getID3       //
     7 //            or http://getid3.sourceforge.net                 //
     7 /////////////////////////////////////////////////////////////////
     8 //  see readme.txt for more details                            //
     8 // See readme.txt for more details                             //
       
     9 /////////////////////////////////////////////////////////////////
     9 /////////////////////////////////////////////////////////////////
    10 //                                                             //
    10 //                                                             //
    11 // module.audio-video.quicktime.php                            //
    11 // module.audio-video.quicktime.php                            //
    12 // module for analyzing Quicktime and MP3-in-MP4 files         //
    12 // module for analyzing Quicktime and MP3-in-MP4 files         //
    13 // dependencies: module.audio.mp3.php                          //
    13 // dependencies: module.audio.mp3.php                          //
    14 // dependencies: module.tag.id3v2.php                          //
    14 // dependencies: module.tag.id3v2.php                          //
    15 //                                                            ///
    15 //                                                            ///
    16 /////////////////////////////////////////////////////////////////
    16 /////////////////////////////////////////////////////////////////
    17 
    17 
       
    18 if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
       
    19 	exit;
       
    20 }
    18 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true);
    21 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true);
    19 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true); // needed for ISO 639-2 language code lookup
    22 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true); // needed for ISO 639-2 language code lookup
    20 
    23 
    21 class getid3_quicktime extends getid3_handler
    24 class getid3_quicktime extends getid3_handler
    22 {
    25 {
    23 
    26 
    24 	public $ReturnAtomData        = true;
    27 	public $ReturnAtomData        = true;
    25 	public $ParseAllPossibleAtoms = false;
    28 	public $ParseAllPossibleAtoms = false;
    26 
    29 
       
    30 	/**
       
    31 	 * @return bool
       
    32 	 */
    27 	public function Analyze() {
    33 	public function Analyze() {
    28 		$info = &$this->getid3->info;
    34 		$info = &$this->getid3->info;
    29 
    35 
    30 		$info['fileformat'] = 'quicktime';
    36 		$info['fileformat'] = 'quicktime';
    31 		$info['quicktime']['hinting']    = false;
    37 		$info['quicktime']['hinting']    = false;
    33 
    39 
    34 		$this->fseek($info['avdataoffset']);
    40 		$this->fseek($info['avdataoffset']);
    35 
    41 
    36 		$offset      = 0;
    42 		$offset      = 0;
    37 		$atomcounter = 0;
    43 		$atomcounter = 0;
    38 		$atom_data_read_buffer_size = max($this->getid3->option_fread_buffer_size * 1024, ($info['php_memory_limit'] ? round($info['php_memory_limit'] / 4) : 1024)); // set read buffer to 25% of PHP memory limit (if one is specified), otherwise use option_fread_buffer_size [default: 32MB]
    44 		$atom_data_read_buffer_size = $info['php_memory_limit'] ? round($info['php_memory_limit'] / 4) : $this->getid3->option_fread_buffer_size * 1024; // set read buffer to 25% of PHP memory limit (if one is specified), otherwise use option_fread_buffer_size [default: 32MB]
    39 		while ($offset < $info['avdataend']) {
    45 		while ($offset < $info['avdataend']) {
    40 			if (!getid3_lib::intValueSupported($offset)) {
    46 			if (!getid3_lib::intValueSupported($offset)) {
    41 				$this->error('Unable to parse atom at offset '.$offset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions');
    47 				$this->error('Unable to parse atom at offset '.$offset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions');
    42 				break;
    48 				break;
    43 			}
    49 			}
    50 			// 64-bit MOV patch by jlegateØktnc*com
    56 			// 64-bit MOV patch by jlegateØktnc*com
    51 			if ($atomsize == 1) {
    57 			if ($atomsize == 1) {
    52 				$atomsize = getid3_lib::BigEndian2Int($this->fread(8));
    58 				$atomsize = getid3_lib::BigEndian2Int($this->fread(8));
    53 			}
    59 			}
    54 
    60 
    55 			$info['quicktime'][$atomname]['name']   = $atomname;
       
    56 			$info['quicktime'][$atomname]['size']   = $atomsize;
       
    57 			$info['quicktime'][$atomname]['offset'] = $offset;
       
    58 
       
    59 			if (($offset + $atomsize) > $info['avdataend']) {
    61 			if (($offset + $atomsize) > $info['avdataend']) {
       
    62 				$info['quicktime'][$atomname]['name']   = $atomname;
       
    63 				$info['quicktime'][$atomname]['size']   = $atomsize;
       
    64 				$info['quicktime'][$atomname]['offset'] = $offset;
    60 				$this->error('Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atomsize.' bytes)');
    65 				$this->error('Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atomsize.' bytes)');
    61 				return false;
    66 				return false;
    62 			}
    67 			}
    63 
       
    64 			if ($atomsize == 0) {
    68 			if ($atomsize == 0) {
    65 				// Furthermore, for historical reasons the list of atoms is optionally
    69 				// Furthermore, for historical reasons the list of atoms is optionally
    66 				// terminated by a 32-bit integer set to 0. If you are writing a program
    70 				// terminated by a 32-bit integer set to 0. If you are writing a program
    67 				// to read user data atoms, you should allow for the terminating 0.
    71 				// to read user data atoms, you should allow for the terminating 0.
       
    72 				$info['quicktime'][$atomname]['name']   = $atomname;
       
    73 				$info['quicktime'][$atomname]['size']   = $atomsize;
       
    74 				$info['quicktime'][$atomname]['offset'] = $offset;
    68 				break;
    75 				break;
    69 			}
    76 			}
       
    77 
    70 			$atomHierarchy = array();
    78 			$atomHierarchy = array();
    71 			$info['quicktime'][$atomname] = $this->QuicktimeParseAtom($atomname, $atomsize, $this->fread(min($atomsize, $atom_data_read_buffer_size)), $offset, $atomHierarchy, $this->ParseAllPossibleAtoms);
    79 			$parsedAtomData = $this->QuicktimeParseAtom($atomname, $atomsize, $this->fread(min($atomsize, $atom_data_read_buffer_size)), $offset, $atomHierarchy, $this->ParseAllPossibleAtoms);
       
    80 			$parsedAtomData['name']   = $atomname;
       
    81 			$parsedAtomData['size']   = $atomsize;
       
    82 			$parsedAtomData['offset'] = $offset;
       
    83 			if (in_array($atomname, array('uuid'))) {
       
    84 				@$info['quicktime'][$atomname][] = $parsedAtomData;
       
    85 			} else {
       
    86 				$info['quicktime'][$atomname] = $parsedAtomData;
       
    87 			}
    72 
    88 
    73 			$offset += $atomsize;
    89 			$offset += $atomsize;
    74 			$atomcounter++;
    90 			$atomcounter++;
    75 		}
    91 		}
    76 
    92 
   107 		}
   123 		}
   108 
   124 
   109 		if (!empty($info['quicktime']['comments']['location.ISO6709'])) {
   125 		if (!empty($info['quicktime']['comments']['location.ISO6709'])) {
   110 			// https://en.wikipedia.org/wiki/ISO_6709
   126 			// https://en.wikipedia.org/wiki/ISO_6709
   111 			foreach ($info['quicktime']['comments']['location.ISO6709'] as $ISO6709string) {
   127 			foreach ($info['quicktime']['comments']['location.ISO6709'] as $ISO6709string) {
   112 				$latitude  = false;
   128 				$ISO6709parsed = array('latitude'=>false, 'longitude'=>false, 'altitude'=>false);
   113 				$longitude = false;
       
   114 				$altitude  = false;
       
   115 				if (preg_match('#^([\\+\\-])([0-9]{2}|[0-9]{4}|[0-9]{6})(\\.[0-9]+)?([\\+\\-])([0-9]{3}|[0-9]{5}|[0-9]{7})(\\.[0-9]+)?(([\\+\\-])([0-9]{3}|[0-9]{5}|[0-9]{7})(\\.[0-9]+)?)?/$#', $ISO6709string, $matches)) {
   129 				if (preg_match('#^([\\+\\-])([0-9]{2}|[0-9]{4}|[0-9]{6})(\\.[0-9]+)?([\\+\\-])([0-9]{3}|[0-9]{5}|[0-9]{7})(\\.[0-9]+)?(([\\+\\-])([0-9]{3}|[0-9]{5}|[0-9]{7})(\\.[0-9]+)?)?/$#', $ISO6709string, $matches)) {
       
   130 					// phpcs:ignore PHPCompatibility.Lists.AssignmentOrder.Affected
   116 					@list($dummy, $lat_sign, $lat_deg, $lat_deg_dec, $lon_sign, $lon_deg, $lon_deg_dec, $dummy, $alt_sign, $alt_deg, $alt_deg_dec) = $matches;
   131 					@list($dummy, $lat_sign, $lat_deg, $lat_deg_dec, $lon_sign, $lon_deg, $lon_deg_dec, $dummy, $alt_sign, $alt_deg, $alt_deg_dec) = $matches;
   117 
   132 
   118 					if (strlen($lat_deg) == 2) {        // [+-]DD.D
   133 					if (strlen($lat_deg) == 2) {        // [+-]DD.D
   119 						$latitude = floatval(ltrim($lat_deg, '0').$lat_deg_dec);
   134 						$ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim($lat_deg, '0').$lat_deg_dec);
   120 					} elseif (strlen($lat_deg) == 4) {  // [+-]DDMM.M
   135 					} elseif (strlen($lat_deg) == 4) {  // [+-]DDMM.M
   121 						$latitude = floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval(ltrim(substr($lat_deg, 2, 2), '0').$lat_deg_dec / 60);
   136 						$ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval(ltrim(substr($lat_deg, 2, 2), '0').$lat_deg_dec / 60);
   122 					} elseif (strlen($lat_deg) == 6) {  // [+-]DDMMSS.S
   137 					} elseif (strlen($lat_deg) == 6) {  // [+-]DDMMSS.S
   123 						$latitude = floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval(ltrim(substr($lat_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($lat_deg, 4, 2), '0').$lat_deg_dec / 3600);
   138 						$ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval(ltrim(substr($lat_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($lat_deg, 4, 2), '0').$lat_deg_dec / 3600);
   124 					}
   139 					}
   125 
   140 
   126 					if (strlen($lon_deg) == 3) {        // [+-]DDD.D
   141 					if (strlen($lon_deg) == 3) {        // [+-]DDD.D
   127 						$longitude = floatval(ltrim($lon_deg, '0').$lon_deg_dec);
   142 						$ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim($lon_deg, '0').$lon_deg_dec);
   128 					} elseif (strlen($lon_deg) == 5) {  // [+-]DDDMM.M
   143 					} elseif (strlen($lon_deg) == 5) {  // [+-]DDDMM.M
   129 						$longitude = floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval(ltrim(substr($lon_deg, 2, 2), '0').$lon_deg_dec / 60);
   144 						$ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval(ltrim(substr($lon_deg, 2, 2), '0').$lon_deg_dec / 60);
   130 					} elseif (strlen($lon_deg) == 7) {  // [+-]DDDMMSS.S
   145 					} elseif (strlen($lon_deg) == 7) {  // [+-]DDDMMSS.S
   131 						$longitude = floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval(ltrim(substr($lon_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($lon_deg, 4, 2), '0').$lon_deg_dec / 3600);
   146 						$ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval(ltrim(substr($lon_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($lon_deg, 4, 2), '0').$lon_deg_dec / 3600);
   132 					}
   147 					}
   133 
   148 
   134 					if (strlen($alt_deg) == 3) {        // [+-]DDD.D
   149 					if (strlen($alt_deg) == 3) {        // [+-]DDD.D
   135 						$altitude = floatval(ltrim($alt_deg, '0').$alt_deg_dec);
   150 						$ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim($alt_deg, '0').$alt_deg_dec);
   136 					} elseif (strlen($alt_deg) == 5) {  // [+-]DDDMM.M
   151 					} elseif (strlen($alt_deg) == 5) {  // [+-]DDDMM.M
   137 						$altitude = floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval(ltrim(substr($alt_deg, 2, 2), '0').$alt_deg_dec / 60);
   152 						$ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval(ltrim(substr($alt_deg, 2, 2), '0').$alt_deg_dec / 60);
   138 					} elseif (strlen($alt_deg) == 7) {  // [+-]DDDMMSS.S
   153 					} elseif (strlen($alt_deg) == 7) {  // [+-]DDDMMSS.S
   139 						$altitude = floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval(ltrim(substr($alt_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($alt_deg, 4, 2), '0').$alt_deg_dec / 3600);
   154 						$ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval(ltrim(substr($alt_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($alt_deg, 4, 2), '0').$alt_deg_dec / 3600);
   140 					}
   155 					}
   141 
   156 
   142 					if ($latitude !== false) {
   157 					foreach (array('latitude', 'longitude', 'altitude') as $key) {
   143 						$info['quicktime']['comments']['gps_latitude'][]  = (($lat_sign == '-') ? -1 : 1) * floatval($latitude);
   158 						if ($ISO6709parsed[$key] !== false) {
   144 					}
   159 							$value = (($lat_sign == '-') ? -1 : 1) * floatval($ISO6709parsed[$key]);
   145 					if ($longitude !== false) {
   160 							if (!isset($info['quicktime']['comments']['gps_'.$key]) || !in_array($value, $info['quicktime']['comments']['gps_'.$key])) {
   146 						$info['quicktime']['comments']['gps_longitude'][] = (($lon_sign == '-') ? -1 : 1) * floatval($longitude);
   161 								@$info['quicktime']['comments']['gps_'.$key][] = (($lat_sign == '-') ? -1 : 1) * floatval($ISO6709parsed[$key]);
   147 					}
   162 							}
   148 					if ($altitude !== false) {
   163 						}
   149 						$info['quicktime']['comments']['gps_altitude'][]  = (($alt_sign == '-') ? -1 : 1) * floatval($altitude);
       
   150 					}
   164 					}
   151 				}
   165 				}
   152 				if ($latitude === false) {
   166 				if ($ISO6709parsed['latitude'] === false) {
   153 					$this->warning('location.ISO6709 string not parsed correctly: "'.$ISO6709string.'", please submit as a bug');
   167 					$this->warning('location.ISO6709 string not parsed correctly: "'.$ISO6709string.'", please submit as a bug');
   154 				}
   168 				}
   155 				break;
   169 				break;
   156 			}
   170 			}
   157 		}
   171 		}
   159 		if (!isset($info['bitrate']) && isset($info['playtime_seconds'])) {
   173 		if (!isset($info['bitrate']) && isset($info['playtime_seconds'])) {
   160 			$info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
   174 			$info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
   161 		}
   175 		}
   162 		if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info['quicktime']['video'])) {
   176 		if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info['quicktime']['video'])) {
   163 			$info['audio']['bitrate'] = $info['bitrate'];
   177 			$info['audio']['bitrate'] = $info['bitrate'];
       
   178 		}
       
   179 		if (!empty($info['bitrate']) && !empty($info['audio']['bitrate']) && empty($info['video']['bitrate']) && !empty($info['video']['frame_rate']) && !empty($info['video']['resolution_x']) && ($info['bitrate'] > $info['audio']['bitrate'])) {
       
   180 			$info['video']['bitrate'] = $info['bitrate'] - $info['audio']['bitrate'];
   164 		}
   181 		}
   165 		if (!empty($info['playtime_seconds']) && !isset($info['video']['frame_rate']) && !empty($info['quicktime']['stts_framecount'])) {
   182 		if (!empty($info['playtime_seconds']) && !isset($info['video']['frame_rate']) && !empty($info['quicktime']['stts_framecount'])) {
   166 			foreach ($info['quicktime']['stts_framecount'] as $key => $samples_count) {
   183 			foreach ($info['quicktime']['stts_framecount'] as $key => $samples_count) {
   167 				$samples_per_second = $samples_count / $info['playtime_seconds'];
   184 				$samples_per_second = $samples_count / $info['playtime_seconds'];
   168 				if ($samples_per_second > 240) {
   185 				if ($samples_per_second > 240) {
   191 			$info['audio']['dataformat'] = 'quicktime';
   208 			$info['audio']['dataformat'] = 'quicktime';
   192 		}
   209 		}
   193 		if (empty($info['video']['dataformat']) && !empty($info['quicktime']['video'])) {
   210 		if (empty($info['video']['dataformat']) && !empty($info['quicktime']['video'])) {
   194 			$info['video']['dataformat'] = 'quicktime';
   211 			$info['video']['dataformat'] = 'quicktime';
   195 		}
   212 		}
       
   213 		if (isset($info['video']) && ($info['mime_type'] == 'audio/mp4') && empty($info['video']['resolution_x']) && empty($info['video']['resolution_y']))  {
       
   214 			unset($info['video']);
       
   215 		}
   196 
   216 
   197 		return true;
   217 		return true;
   198 	}
   218 	}
   199 
   219 
       
   220 	/**
       
   221 	 * @param string $atomname
       
   222 	 * @param int    $atomsize
       
   223 	 * @param string $atom_data
       
   224 	 * @param int    $baseoffset
       
   225 	 * @param array  $atomHierarchy
       
   226 	 * @param bool   $ParseAllPossibleAtoms
       
   227 	 *
       
   228 	 * @return array|false
       
   229 	 */
   200 	public function QuicktimeParseAtom($atomname, $atomsize, $atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
   230 	public function QuicktimeParseAtom($atomname, $atomsize, $atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
   201 		// http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm
   231 		// http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm
   202 		// https://code.google.com/p/mp4v2/wiki/iTunesMetadata
   232 		// https://code.google.com/p/mp4v2/wiki/iTunesMetadata
   203 
   233 
   204 		$info = &$this->getid3->info;
   234 		$info = &$this->getid3->info;
   205 
   235 
   206 		$atom_parent = end($atomHierarchy); // not array_pop($atomHierarchy); see http://www.getid3.org/phpBB3/viewtopic.php?t=1717
   236 		$atom_parent = end($atomHierarchy); // not array_pop($atomHierarchy); see https://www.getid3.org/phpBB3/viewtopic.php?t=1717
   207 		array_push($atomHierarchy, $atomname);
   237 		array_push($atomHierarchy, $atomname);
       
   238 		$atom_structure              = array();
   208 		$atom_structure['hierarchy'] = implode(' ', $atomHierarchy);
   239 		$atom_structure['hierarchy'] = implode(' ', $atomHierarchy);
   209 		$atom_structure['name']      = $atomname;
   240 		$atom_structure['name']      = $atomname;
   210 		$atom_structure['size']      = $atomsize;
   241 		$atom_structure['size']      = $atomsize;
   211 		$atom_structure['offset']    = $baseoffset;
   242 		$atom_structure['offset']    = $baseoffset;
   212 		switch ($atomname) {
   243 		if (substr($atomname, 0, 3) == "\x00\x00\x00") {
   213 			case 'moov': // MOVie container atom
   244 			// https://github.com/JamesHeinrich/getID3/issues/139
   214 			case 'trak': // TRAcK container atom
   245 			$atomname = getid3_lib::BigEndian2Int($atomname);
   215 			case 'clip': // CLIPping container atom
   246 			$atom_structure['name'] = $atomname;
   216 			case 'matt': // track MATTe container atom
   247 			$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
   217 			case 'edts': // EDiTS container atom
   248 		} else {
   218 			case 'tref': // Track REFerence container atom
   249 			switch ($atomname) {
   219 			case 'mdia': // MeDIA container atom
   250 				case 'moov': // MOVie container atom
   220 			case 'minf': // Media INFormation container atom
   251 				case 'trak': // TRAcK container atom
   221 			case 'dinf': // Data INFormation container atom
   252 				case 'clip': // CLIPping container atom
   222 			case 'udta': // User DaTA container atom
   253 				case 'matt': // track MATTe container atom
   223 			case 'cmov': // Compressed MOVie container atom
   254 				case 'edts': // EDiTS container atom
   224 			case 'rmra': // Reference Movie Record Atom
   255 				case 'tref': // Track REFerence container atom
   225 			case 'rmda': // Reference Movie Descriptor Atom
   256 				case 'mdia': // MeDIA container atom
   226 			case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR)
   257 				case 'minf': // Media INFormation container atom
   227 				$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
   258 				case 'dinf': // Data INFormation container atom
   228 				break;
   259 				case 'nmhd': // Null Media HeaDer container atom
   229 
   260 				case 'udta': // User DaTA container atom
   230 			case 'ilst': // Item LiST container atom
   261 				case 'cmov': // Compressed MOVie container atom
   231 				if ($atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms)) {
   262 				case 'rmra': // Reference Movie Record Atom
   232 					// some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted
   263 				case 'rmda': // Reference Movie Descriptor Atom
   233 					$allnumericnames = true;
   264 				case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR)
   234 					foreach ($atom_structure['subatoms'] as $subatomarray) {
   265 					$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
   235 						if (!is_integer($subatomarray['name']) || (count($subatomarray['subatoms']) != 1)) {
   266 					break;
   236 							$allnumericnames = false;
   267 
   237 							break;
   268 				case 'ilst': // Item LiST container atom
   238 						}
   269 					if ($atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms)) {
   239 					}
   270 						// some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted
   240 					if ($allnumericnames) {
   271 						$allnumericnames = true;
   241 						$newData = array();
       
   242 						foreach ($atom_structure['subatoms'] as $subatomarray) {
   272 						foreach ($atom_structure['subatoms'] as $subatomarray) {
   243 							foreach ($subatomarray['subatoms'] as $newData_subatomarray) {
   273 							if (!is_integer($subatomarray['name']) || (count($subatomarray['subatoms']) != 1)) {
   244 								unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']);
   274 								$allnumericnames = false;
   245 								$newData[$subatomarray['name']] = $newData_subatomarray;
       
   246 								break;
   275 								break;
   247 							}
   276 							}
   248 						}
   277 						}
   249 						$atom_structure['data'] = $newData;
   278 						if ($allnumericnames) {
   250 						unset($atom_structure['subatoms']);
   279 							$newData = array();
   251 					}
   280 							foreach ($atom_structure['subatoms'] as $subatomarray) {
   252 				}
   281 								foreach ($subatomarray['subatoms'] as $newData_subatomarray) {
   253 				break;
   282 									unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']);
   254 
   283 									$newData[$subatomarray['name']] = $newData_subatomarray;
   255 			case "\x00\x00\x00\x01":
   284 									break;
   256 			case "\x00\x00\x00\x02":
   285 								}
   257 			case "\x00\x00\x00\x03":
   286 							}
   258 			case "\x00\x00\x00\x04":
   287 							$atom_structure['data'] = $newData;
   259 			case "\x00\x00\x00\x05":
   288 							unset($atom_structure['subatoms']);
   260 				$atomname = getid3_lib::BigEndian2Int($atomname);
   289 						}
   261 				$atom_structure['name'] = $atomname;
   290 					}
   262 				$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
   291 					break;
   263 				break;
   292 
   264 
   293 				case 'stbl': // Sample TaBLe container atom
   265 			case 'stbl': // Sample TaBLe container atom
   294 					$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
   266 				$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
   295 					$isVideo = false;
   267 				$isVideo = false;
   296 					$framerate  = 0;
   268 				$framerate  = 0;
   297 					$framecount = 0;
   269 				$framecount = 0;
   298 					foreach ($atom_structure['subatoms'] as $key => $value_array) {
   270 				foreach ($atom_structure['subatoms'] as $key => $value_array) {
   299 						if (isset($value_array['sample_description_table'])) {
   271 					if (isset($value_array['sample_description_table'])) {
   300 							foreach ($value_array['sample_description_table'] as $key2 => $value_array2) {
   272 						foreach ($value_array['sample_description_table'] as $key2 => $value_array2) {
   301 								if (isset($value_array2['data_format'])) {
   273 							if (isset($value_array2['data_format'])) {
   302 									switch ($value_array2['data_format']) {
   274 								switch ($value_array2['data_format']) {
   303 										case 'avc1':
   275 									case 'avc1':
   304 										case 'mp4v':
   276 									case 'mp4v':
   305 											// video data
   277 										// video data
   306 											$isVideo = true;
   278 										$isVideo = true;
   307 											break;
   279 										break;
   308 										case 'mp4a':
   280 									case 'mp4a':
   309 											// audio data
   281 										// audio data
   310 											break;
   282 										break;
   311 									}
       
   312 								}
       
   313 							}
       
   314 						} elseif (isset($value_array['time_to_sample_table'])) {
       
   315 							foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) {
       
   316 								if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && ($value_array2['sample_duration'] > 0)) {
       
   317 									$framerate  = round($info['quicktime']['time_scale'] / $value_array2['sample_duration'], 3);
       
   318 									$framecount = $value_array2['sample_count'];
   283 								}
   319 								}
   284 							}
   320 							}
   285 						}
   321 						}
   286 					} elseif (isset($value_array['time_to_sample_table'])) {
   322 					}
   287 						foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) {
   323 					if ($isVideo && $framerate) {
   288 							if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && ($value_array2['sample_duration'] > 0)) {
   324 						$info['quicktime']['video']['frame_rate'] = $framerate;
   289 								$framerate  = round($info['quicktime']['time_scale'] / $value_array2['sample_duration'], 3);
   325 						$info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate'];
   290 								$framecount = $value_array2['sample_count'];
   326 					}
   291 							}
   327 					if ($isVideo && $framecount) {
   292 						}
   328 						$info['quicktime']['video']['frame_count'] = $framecount;
   293 					}
   329 					}
   294 				}
   330 					break;
   295 				if ($isVideo && $framerate) {
   331 
   296 					$info['quicktime']['video']['frame_rate'] = $framerate;
   332 
   297 					$info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate'];
   333 				case "\xA9".'alb': // ALBum
   298 				}
   334 				case "\xA9".'ART': //
   299 				if ($isVideo && $framecount) {
   335 				case "\xA9".'art': // ARTist
   300 					$info['quicktime']['video']['frame_count'] = $framecount;
   336 				case "\xA9".'aut': //
   301 				}
   337 				case "\xA9".'cmt': // CoMmenT
   302 				break;
   338 				case "\xA9".'com': // COMposer
   303 
   339 				case "\xA9".'cpy': //
   304 
   340 				case "\xA9".'day': // content created year
   305 			case "\xA9".'alb': // ALBum
   341 				case "\xA9".'dir': //
   306 			case "\xA9".'ART': //
   342 				case "\xA9".'ed1': //
   307 			case "\xA9".'art': // ARTist
   343 				case "\xA9".'ed2': //
   308 			case "\xA9".'aut': //
   344 				case "\xA9".'ed3': //
   309 			case "\xA9".'cmt': // CoMmenT
   345 				case "\xA9".'ed4': //
   310 			case "\xA9".'com': // COMposer
   346 				case "\xA9".'ed5': //
   311 			case "\xA9".'cpy': //
   347 				case "\xA9".'ed6': //
   312 			case "\xA9".'day': // content created year
   348 				case "\xA9".'ed7': //
   313 			case "\xA9".'dir': //
   349 				case "\xA9".'ed8': //
   314 			case "\xA9".'ed1': //
   350 				case "\xA9".'ed9': //
   315 			case "\xA9".'ed2': //
   351 				case "\xA9".'enc': //
   316 			case "\xA9".'ed3': //
   352 				case "\xA9".'fmt': //
   317 			case "\xA9".'ed4': //
   353 				case "\xA9".'gen': // GENre
   318 			case "\xA9".'ed5': //
   354 				case "\xA9".'grp': // GRouPing
   319 			case "\xA9".'ed6': //
   355 				case "\xA9".'hst': //
   320 			case "\xA9".'ed7': //
   356 				case "\xA9".'inf': //
   321 			case "\xA9".'ed8': //
   357 				case "\xA9".'lyr': // LYRics
   322 			case "\xA9".'ed9': //
   358 				case "\xA9".'mak': //
   323 			case "\xA9".'enc': //
   359 				case "\xA9".'mod': //
   324 			case "\xA9".'fmt': //
   360 				case "\xA9".'nam': // full NAMe
   325 			case "\xA9".'gen': // GENre
   361 				case "\xA9".'ope': //
   326 			case "\xA9".'grp': // GRouPing
   362 				case "\xA9".'PRD': //
   327 			case "\xA9".'hst': //
   363 				case "\xA9".'prf': //
   328 			case "\xA9".'inf': //
   364 				case "\xA9".'req': //
   329 			case "\xA9".'lyr': // LYRics
   365 				case "\xA9".'src': //
   330 			case "\xA9".'mak': //
   366 				case "\xA9".'swr': //
   331 			case "\xA9".'mod': //
   367 				case "\xA9".'too': // encoder
   332 			case "\xA9".'nam': // full NAMe
   368 				case "\xA9".'trk': // TRacK
   333 			case "\xA9".'ope': //
   369 				case "\xA9".'url': //
   334 			case "\xA9".'PRD': //
   370 				case "\xA9".'wrn': //
   335 			case "\xA9".'prf': //
   371 				case "\xA9".'wrt': // WRiTer
   336 			case "\xA9".'req': //
   372 				case '----': // itunes specific
   337 			case "\xA9".'src': //
   373 				case 'aART': // Album ARTist
   338 			case "\xA9".'swr': //
   374 				case 'akID': // iTunes store account type
   339 			case "\xA9".'too': // encoder
   375 				case 'apID': // Purchase Account
   340 			case "\xA9".'trk': // TRacK
   376 				case 'atID': //
   341 			case "\xA9".'url': //
   377 				case 'catg': // CaTeGory
   342 			case "\xA9".'wrn': //
   378 				case 'cmID': //
   343 			case "\xA9".'wrt': // WRiTer
   379 				case 'cnID': //
   344 			case '----': // itunes specific
   380 				case 'covr': // COVeR artwork
   345 			case 'aART': // Album ARTist
   381 				case 'cpil': // ComPILation
   346 			case 'akID': // iTunes store account type
   382 				case 'cprt': // CoPyRighT
   347 			case 'apID': // Purchase Account
   383 				case 'desc': // DESCription
   348 			case 'atID': //
   384 				case 'disk': // DISK number
   349 			case 'catg': // CaTeGory
   385 				case 'egid': // Episode Global ID
   350 			case 'cmID': //
   386 				case 'geID': //
   351 			case 'cnID': //
   387 				case 'gnre': // GeNRE
   352 			case 'covr': // COVeR artwork
   388 				case 'hdvd': // HD ViDeo
   353 			case 'cpil': // ComPILation
   389 				case 'keyw': // KEYWord
   354 			case 'cprt': // CoPyRighT
   390 				case 'ldes': // Long DEScription
   355 			case 'desc': // DESCription
   391 				case 'pcst': // PodCaST
   356 			case 'disk': // DISK number
   392 				case 'pgap': // GAPless Playback
   357 			case 'egid': // Episode Global ID
   393 				case 'plID': //
   358 			case 'geID': //
   394 				case 'purd': // PURchase Date
   359 			case 'gnre': // GeNRE
   395 				case 'purl': // Podcast URL
   360 			case 'hdvd': // HD ViDeo
   396 				case 'rati': //
   361 			case 'keyw': // KEYWord
   397 				case 'rndu': //
   362 			case 'ldes': // Long DEScription
   398 				case 'rpdu': //
   363 			case 'pcst': // PodCaST
   399 				case 'rtng': // RaTiNG
   364 			case 'pgap': // GAPless Playback
   400 				case 'sfID': // iTunes store country
   365 			case 'plID': //
   401 				case 'soaa': // SOrt Album Artist
   366 			case 'purd': // PURchase Date
   402 				case 'soal': // SOrt ALbum
   367 			case 'purl': // Podcast URL
   403 				case 'soar': // SOrt ARtist
   368 			case 'rati': //
   404 				case 'soco': // SOrt COmposer
   369 			case 'rndu': //
   405 				case 'sonm': // SOrt NaMe
   370 			case 'rpdu': //
   406 				case 'sosn': // SOrt Show Name
   371 			case 'rtng': // RaTiNG
   407 				case 'stik': //
   372 			case 'sfID': // iTunes store country
   408 				case 'tmpo': // TeMPO (BPM)
   373 			case 'soaa': // SOrt Album Artist
   409 				case 'trkn': // TRacK Number
   374 			case 'soal': // SOrt ALbum
   410 				case 'tven': // tvEpisodeID
   375 			case 'soar': // SOrt ARtist
   411 				case 'tves': // TV EpiSode
   376 			case 'soco': // SOrt COmposer
   412 				case 'tvnn': // TV Network Name
   377 			case 'sonm': // SOrt NaMe
   413 				case 'tvsh': // TV SHow Name
   378 			case 'sosn': // SOrt Show Name
   414 				case 'tvsn': // TV SeasoN
   379 			case 'stik': //
   415 					if ($atom_parent == 'udta') {
   380 			case 'tmpo': // TeMPO (BPM)
   416 						// User data atom handler
   381 			case 'trkn': // TRacK Number
   417 						$atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
   382 			case 'tven': // tvEpisodeID
   418 						$atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2));
   383 			case 'tves': // TV EpiSode
   419 						$atom_structure['data']        =                           substr($atom_data, 4);
   384 			case 'tvnn': // TV Network Name
   420 
   385 			case 'tvsh': // TV SHow Name
   421 						$atom_structure['language']    = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
   386 			case 'tvsn': // TV SeasoN
   422 						if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
   387 				if ($atom_parent == 'udta') {
   423 							$info['comments']['language'][] = $atom_structure['language'];
   388 					// User data atom handler
       
   389 					$atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
       
   390 					$atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2));
       
   391 					$atom_structure['data']        =                           substr($atom_data, 4);
       
   392 
       
   393 					$atom_structure['language']    = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
       
   394 					if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
       
   395 						$info['comments']['language'][] = $atom_structure['language'];
       
   396 					}
       
   397 				} else {
       
   398 					// Apple item list box atom handler
       
   399 					$atomoffset = 0;
       
   400 					if (substr($atom_data, 2, 2) == "\x10\xB5") {
       
   401 						// not sure what it means, but observed on iPhone4 data.
       
   402 						// Each $atom_data has 2 bytes of datasize, plus 0x10B5, then data
       
   403 						while ($atomoffset < strlen($atom_data)) {
       
   404 							$boxsmallsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset,     2));
       
   405 							$boxsmalltype =                           substr($atom_data, $atomoffset + 2, 2);
       
   406 							$boxsmalldata =                           substr($atom_data, $atomoffset + 4, $boxsmallsize);
       
   407 							if ($boxsmallsize <= 1) {
       
   408 								$this->warning('Invalid QuickTime atom smallbox size "'.$boxsmallsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset));
       
   409 								$atom_structure['data'] = null;
       
   410 								$atomoffset = strlen($atom_data);
       
   411 								break;
       
   412 							}
       
   413 							switch ($boxsmalltype) {
       
   414 								case "\x10\xB5":
       
   415 									$atom_structure['data'] = $boxsmalldata;
       
   416 									break;
       
   417 								default:
       
   418 									$this->warning('Unknown QuickTime smallbox type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxsmalltype).'" ('.trim(getid3_lib::PrintHexBytes($boxsmalltype)).') at offset '.$baseoffset);
       
   419 									$atom_structure['data'] = $atom_data;
       
   420 									break;
       
   421 							}
       
   422 							$atomoffset += (4 + $boxsmallsize);
       
   423 						}
   424 						}
   424 					} else {
   425 					} else {
   425 						while ($atomoffset < strlen($atom_data)) {
   426 						// Apple item list box atom handler
   426 							$boxsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 4));
   427 						$atomoffset = 0;
   427 							$boxtype =                           substr($atom_data, $atomoffset + 4, 4);
   428 						if (substr($atom_data, 2, 2) == "\x10\xB5") {
   428 							$boxdata =                           substr($atom_data, $atomoffset + 8, $boxsize - 8);
   429 							// not sure what it means, but observed on iPhone4 data.
   429 							if ($boxsize <= 1) {
   430 							// Each $atom_data has 2 bytes of datasize, plus 0x10B5, then data
   430 								$this->warning('Invalid QuickTime atom box size "'.$boxsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset));
   431 							while ($atomoffset < strlen($atom_data)) {
   431 								$atom_structure['data'] = null;
   432 								$boxsmallsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset,     2));
   432 								$atomoffset = strlen($atom_data);
   433 								$boxsmalltype =                           substr($atom_data, $atomoffset + 2, 2);
   433 								break;
   434 								$boxsmalldata =                           substr($atom_data, $atomoffset + 4, $boxsmallsize);
       
   435 								if ($boxsmallsize <= 1) {
       
   436 									$this->warning('Invalid QuickTime atom smallbox size "'.$boxsmallsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset));
       
   437 									$atom_structure['data'] = null;
       
   438 									$atomoffset = strlen($atom_data);
       
   439 									break;
       
   440 								}
       
   441 								switch ($boxsmalltype) {
       
   442 									case "\x10\xB5":
       
   443 										$atom_structure['data'] = $boxsmalldata;
       
   444 										break;
       
   445 									default:
       
   446 										$this->warning('Unknown QuickTime smallbox type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxsmalltype).'" ('.trim(getid3_lib::PrintHexBytes($boxsmalltype)).') at offset '.$baseoffset);
       
   447 										$atom_structure['data'] = $atom_data;
       
   448 										break;
       
   449 								}
       
   450 								$atomoffset += (4 + $boxsmallsize);
   434 							}
   451 							}
   435 							$atomoffset += $boxsize;
   452 						} else {
   436 
   453 							while ($atomoffset < strlen($atom_data)) {
   437 							switch ($boxtype) {
   454 								$boxsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 4));
   438 								case 'mean':
   455 								$boxtype =                           substr($atom_data, $atomoffset + 4, 4);
   439 								case 'name':
   456 								$boxdata =                           substr($atom_data, $atomoffset + 8, $boxsize - 8);
   440 									$atom_structure[$boxtype] = substr($boxdata, 4);
   457 								if ($boxsize <= 1) {
       
   458 									$this->warning('Invalid QuickTime atom box size "'.$boxsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset));
       
   459 									$atom_structure['data'] = null;
       
   460 									$atomoffset = strlen($atom_data);
   441 									break;
   461 									break;
   442 
   462 								}
   443 								case 'data':
   463 								$atomoffset += $boxsize;
   444 									$atom_structure['version']   = getid3_lib::BigEndian2Int(substr($boxdata,  0, 1));
   464 
   445 									$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($boxdata,  1, 3));
   465 								switch ($boxtype) {
   446 									switch ($atom_structure['flags_raw']) {
   466 									case 'mean':
   447 										case  0: // data flag
   467 									case 'name':
   448 										case 21: // tmpo/cpil flag
   468 										$atom_structure[$boxtype] = substr($boxdata, 4);
   449 											switch ($atomname) {
   469 										break;
   450 												case 'cpil':
   470 
   451 												case 'hdvd':
   471 									case 'data':
   452 												case 'pcst':
   472 										$atom_structure['version']   = getid3_lib::BigEndian2Int(substr($boxdata,  0, 1));
   453 												case 'pgap':
   473 										$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($boxdata,  1, 3));
   454 													// 8-bit integer (boolean)
   474 										switch ($atom_structure['flags_raw']) {
   455 													$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
   475 											case  0: // data flag
   456 													break;
   476 											case 21: // tmpo/cpil flag
   457 
   477 												switch ($atomname) {
   458 												case 'tmpo':
   478 													case 'cpil':
   459 													// 16-bit integer
   479 													case 'hdvd':
   460 													$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2));
   480 													case 'pcst':
   461 													break;
   481 													case 'pgap':
   462 
   482 														// 8-bit integer (boolean)
   463 												case 'disk':
   483 														$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
   464 												case 'trkn':
   484 														break;
   465 													// binary
   485 
   466 													$num       = getid3_lib::BigEndian2Int(substr($boxdata, 10, 2));
   486 													case 'tmpo':
   467 													$num_total = getid3_lib::BigEndian2Int(substr($boxdata, 12, 2));
   487 														// 16-bit integer
   468 													$atom_structure['data']  = empty($num) ? '' : $num;
   488 														$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2));
   469 													$atom_structure['data'] .= empty($num_total) ? '' : '/'.$num_total;
   489 														break;
   470 													break;
   490 
   471 
   491 													case 'disk':
   472 												case 'gnre':
   492 													case 'trkn':
   473 													// enum
   493 														// binary
   474 													$GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
   494 														$num       = getid3_lib::BigEndian2Int(substr($boxdata, 10, 2));
   475 													$atom_structure['data']    = getid3_id3v1::LookupGenreName($GenreID - 1);
   495 														$num_total = getid3_lib::BigEndian2Int(substr($boxdata, 12, 2));
   476 													break;
   496 														$atom_structure['data']  = empty($num) ? '' : $num;
   477 
   497 														$atom_structure['data'] .= empty($num_total) ? '' : '/'.$num_total;
   478 												case 'rtng':
   498 														break;
   479 													// 8-bit integer
   499 
   480 													$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
   500 													case 'gnre':
   481 													$atom_structure['data']    = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]);
   501 														// enum
   482 													break;
   502 														$GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
   483 
   503 														$atom_structure['data']    = getid3_id3v1::LookupGenreName($GenreID - 1);
   484 												case 'stik':
   504 														break;
   485 													// 8-bit integer (enum)
   505 
   486 													$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
   506 													case 'rtng':
   487 													$atom_structure['data']    = $this->QuicktimeSTIKLookup($atom_structure[$atomname]);
   507 														// 8-bit integer
   488 													break;
   508 														$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
   489 
   509 														$atom_structure['data']    = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]);
   490 												case 'sfID':
   510 														break;
   491 													// 32-bit integer
   511 
   492 													$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
   512 													case 'stik':
   493 													$atom_structure['data']    = $this->QuicktimeStoreFrontCodeLookup($atom_structure[$atomname]);
   513 														// 8-bit integer (enum)
   494 													break;
   514 														$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
   495 
   515 														$atom_structure['data']    = $this->QuicktimeSTIKLookup($atom_structure[$atomname]);
   496 												case 'egid':
   516 														break;
   497 												case 'purl':
   517 
   498 													$atom_structure['data'] = substr($boxdata, 8);
   518 													case 'sfID':
   499 													break;
   519 														// 32-bit integer
   500 
   520 														$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
   501 												case 'plID':
   521 														$atom_structure['data']    = $this->QuicktimeStoreFrontCodeLookup($atom_structure[$atomname]);
   502 													// 64-bit integer
   522 														break;
   503 													$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 8));
   523 
   504 													break;
   524 													case 'egid':
   505 
   525 													case 'purl':
   506 												case 'covr':
   526 														$atom_structure['data'] = substr($boxdata, 8);
   507 													$atom_structure['data'] = substr($boxdata, 8);
   527 														break;
       
   528 
       
   529 													case 'plID':
       
   530 														// 64-bit integer
       
   531 														$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 8));
       
   532 														break;
       
   533 
       
   534 													case 'covr':
       
   535 														$atom_structure['data'] = substr($boxdata, 8);
       
   536 														// not a foolproof check, but better than nothing
       
   537 														if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) {
       
   538 															$atom_structure['image_mime'] = 'image/jpeg';
       
   539 														} elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) {
       
   540 															$atom_structure['image_mime'] = 'image/png';
       
   541 														} elseif (preg_match('#^GIF#', $atom_structure['data'])) {
       
   542 															$atom_structure['image_mime'] = 'image/gif';
       
   543 														}
       
   544 														$info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_structure['data'], 'description'=>'cover');
       
   545 														break;
       
   546 
       
   547 													case 'atID':
       
   548 													case 'cnID':
       
   549 													case 'geID':
       
   550 													case 'tves':
       
   551 													case 'tvsn':
       
   552 													default:
       
   553 														// 32-bit integer
       
   554 														$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
       
   555 												}
       
   556 												break;
       
   557 
       
   558 											case  1: // text flag
       
   559 											case 13: // image flag
       
   560 											default:
       
   561 												$atom_structure['data'] = substr($boxdata, 8);
       
   562 												if ($atomname == 'covr') {
   508 													// not a foolproof check, but better than nothing
   563 													// not a foolproof check, but better than nothing
   509 													if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) {
   564 													if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) {
   510 														$atom_structure['image_mime'] = 'image/jpeg';
   565 														$atom_structure['image_mime'] = 'image/jpeg';
   511 													} elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) {
   566 													} elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) {
   512 														$atom_structure['image_mime'] = 'image/png';
   567 														$atom_structure['image_mime'] = 'image/png';
   513 													} elseif (preg_match('#^GIF#', $atom_structure['data'])) {
   568 													} elseif (preg_match('#^GIF#', $atom_structure['data'])) {
   514 														$atom_structure['image_mime'] = 'image/gif';
   569 														$atom_structure['image_mime'] = 'image/gif';
   515 													}
   570 													}
   516 													break;
   571 													$info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_structure['data'], 'description'=>'cover');
   517 
       
   518 												case 'atID':
       
   519 												case 'cnID':
       
   520 												case 'geID':
       
   521 												case 'tves':
       
   522 												case 'tvsn':
       
   523 												default:
       
   524 													// 32-bit integer
       
   525 													$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
       
   526 											}
       
   527 											break;
       
   528 
       
   529 										case  1: // text flag
       
   530 										case 13: // image flag
       
   531 										default:
       
   532 											$atom_structure['data'] = substr($boxdata, 8);
       
   533 											if ($atomname == 'covr') {
       
   534 												// not a foolproof check, but better than nothing
       
   535 												if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) {
       
   536 													$atom_structure['image_mime'] = 'image/jpeg';
       
   537 												} elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) {
       
   538 													$atom_structure['image_mime'] = 'image/png';
       
   539 												} elseif (preg_match('#^GIF#', $atom_structure['data'])) {
       
   540 													$atom_structure['image_mime'] = 'image/gif';
       
   541 												}
   572 												}
   542 											}
   573 												break;
   543 											break;
   574 
   544 
   575 										}
   545 									}
   576 										break;
   546 									break;
   577 
   547 
   578 									default:
   548 								default:
   579 										$this->warning('Unknown QuickTime box type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxtype).'" ('.trim(getid3_lib::PrintHexBytes($boxtype)).') at offset '.$baseoffset);
   549 									$this->warning('Unknown QuickTime box type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxtype).'" ('.trim(getid3_lib::PrintHexBytes($boxtype)).') at offset '.$baseoffset);
   580 										$atom_structure['data'] = $atom_data;
   550 									$atom_structure['data'] = $atom_data;
   581 
   551 
   582 								}
   552 							}
   583 							}
   553 						}
   584 						}
   554 					}
   585 					}
   555 				}
   586 					$this->CopyToAppropriateCommentsSection($atomname, $atom_structure['data'], $atom_structure['name']);
   556 				$this->CopyToAppropriateCommentsSection($atomname, $atom_structure['data'], $atom_structure['name']);
   587 					break;
   557 				break;
   588 
   558 
   589 
   559 
   590 				case 'play': // auto-PLAY atom
   560 			case 'play': // auto-PLAY atom
   591 					$atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
   561 				$atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
   592 
   562 
   593 					$info['quicktime']['autoplay'] = $atom_structure['autoplay'];
   563 				$info['quicktime']['autoplay'] = $atom_structure['autoplay'];
   594 					break;
   564 				break;
   595 
   565 
   596 
   566 
   597 				case 'WLOC': // Window LOCation atom
   567 			case 'WLOC': // Window LOCation atom
   598 					$atom_structure['location_x']  = getid3_lib::BigEndian2Int(substr($atom_data,  0, 2));
   568 				$atom_structure['location_x']  = getid3_lib::BigEndian2Int(substr($atom_data,  0, 2));
   599 					$atom_structure['location_y']  = getid3_lib::BigEndian2Int(substr($atom_data,  2, 2));
   569 				$atom_structure['location_y']  = getid3_lib::BigEndian2Int(substr($atom_data,  2, 2));
   600 					break;
   570 				break;
   601 
   571 
   602 
   572 
   603 				case 'LOOP': // LOOPing atom
   573 			case 'LOOP': // LOOPing atom
   604 				case 'SelO': // play SELection Only atom
   574 			case 'SelO': // play SELection Only atom
   605 				case 'AllF': // play ALL Frames atom
   575 			case 'AllF': // play ALL Frames atom
   606 					$atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data);
   576 				$atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data);
   607 					break;
   577 				break;
   608 
   578 
   609 
   579 
   610 				case 'name': //
   580 			case 'name': //
   611 				case 'MCPS': // Media Cleaner PRo
   581 			case 'MCPS': // Media Cleaner PRo
   612 				case '@PRM': // adobe PReMiere version
   582 			case '@PRM': // adobe PReMiere version
   613 				case '@PRQ': // adobe PRemiere Quicktime version
   583 			case '@PRQ': // adobe PRemiere Quicktime version
   614 					$atom_structure['data'] = $atom_data;
   584 				$atom_structure['data'] = $atom_data;
   615 					break;
   585 				break;
   616 
   586 
   617 
   587 
   618 				case 'cmvd': // Compressed MooV Data atom
   588 			case 'cmvd': // Compressed MooV Data atom
   619 					// Code by ubergeekØubergeek*tv based on information from
   589 				// Code by ubergeekØubergeek*tv based on information from
   620 					// http://developer.apple.com/quicktime/icefloe/dispatch012.html
   590 				// http://developer.apple.com/quicktime/icefloe/dispatch012.html
   621 					$atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
   591 				$atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
   622 
   592 
   623 					$CompressedFileData = substr($atom_data, 4);
   593 				$CompressedFileData = substr($atom_data, 4);
   624 					if ($UncompressedHeader = @gzuncompress($CompressedFileData)) {
   594 				if ($UncompressedHeader = @gzuncompress($CompressedFileData)) {
   625 						$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, 0, $atomHierarchy, $ParseAllPossibleAtoms);
   595 					$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, 0, $atomHierarchy, $ParseAllPossibleAtoms);
       
   596 				} else {
       
   597 					$this->warning('Error decompressing compressed MOV atom at offset '.$atom_structure['offset']);
       
   598 				}
       
   599 				break;
       
   600 
       
   601 
       
   602 			case 'dcom': // Data COMpression atom
       
   603 				$atom_structure['compression_id']   = $atom_data;
       
   604 				$atom_structure['compression_text'] = $this->QuicktimeDCOMLookup($atom_data);
       
   605 				break;
       
   606 
       
   607 
       
   608 			case 'rdrf': // Reference movie Data ReFerence atom
       
   609 				$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
   610 				$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
       
   611 				$atom_structure['flags']['internal_data'] = (bool) ($atom_structure['flags_raw'] & 0x000001);
       
   612 
       
   613 				$atom_structure['reference_type_name']    =                           substr($atom_data,  4, 4);
       
   614 				$atom_structure['reference_length']       = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
       
   615 				switch ($atom_structure['reference_type_name']) {
       
   616 					case 'url ':
       
   617 						$atom_structure['url']            =       $this->NoNullString(substr($atom_data, 12));
       
   618 						break;
       
   619 
       
   620 					case 'alis':
       
   621 						$atom_structure['file_alias']     =                           substr($atom_data, 12);
       
   622 						break;
       
   623 
       
   624 					case 'rsrc':
       
   625 						$atom_structure['resource_alias'] =                           substr($atom_data, 12);
       
   626 						break;
       
   627 
       
   628 					default:
       
   629 						$atom_structure['data']           =                           substr($atom_data, 12);
       
   630 						break;
       
   631 				}
       
   632 				break;
       
   633 
       
   634 
       
   635 			case 'rmqu': // Reference Movie QUality atom
       
   636 				$atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data);
       
   637 				break;
       
   638 
       
   639 
       
   640 			case 'rmcs': // Reference Movie Cpu Speed atom
       
   641 				$atom_structure['version']          = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
   642 				$atom_structure['flags_raw']        = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
   643 				$atom_structure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
       
   644 				break;
       
   645 
       
   646 
       
   647 			case 'rmvc': // Reference Movie Version Check atom
       
   648 				$atom_structure['version']            = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
   649 				$atom_structure['flags_raw']          = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
   650 				$atom_structure['gestalt_selector']   =                           substr($atom_data,  4, 4);
       
   651 				$atom_structure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
       
   652 				$atom_structure['gestalt_value']      = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
       
   653 				$atom_structure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2));
       
   654 				break;
       
   655 
       
   656 
       
   657 			case 'rmcd': // Reference Movie Component check atom
       
   658 				$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
   659 				$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
   660 				$atom_structure['component_type']         =                           substr($atom_data,  4, 4);
       
   661 				$atom_structure['component_subtype']      =                           substr($atom_data,  8, 4);
       
   662 				$atom_structure['component_manufacturer'] =                           substr($atom_data, 12, 4);
       
   663 				$atom_structure['component_flags_raw']    = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
       
   664 				$atom_structure['component_flags_mask']   = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
       
   665 				$atom_structure['component_min_version']  = getid3_lib::BigEndian2Int(substr($atom_data, 24, 4));
       
   666 				break;
       
   667 
       
   668 
       
   669 			case 'rmdr': // Reference Movie Data Rate atom
       
   670 				$atom_structure['version']       = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
   671 				$atom_structure['flags_raw']     = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
   672 				$atom_structure['data_rate']     = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
       
   673 
       
   674 				$atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10;
       
   675 				break;
       
   676 
       
   677 
       
   678 			case 'rmla': // Reference Movie Language Atom
       
   679 				$atom_structure['version']     = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
   680 				$atom_structure['flags_raw']   = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
   681 				$atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
       
   682 
       
   683 				$atom_structure['language']    = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
       
   684 				if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
       
   685 					$info['comments']['language'][] = $atom_structure['language'];
       
   686 				}
       
   687 				break;
       
   688 
       
   689 
       
   690 			case 'rmla': // Reference Movie Language Atom
       
   691 				$atom_structure['version']   = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
   692 				$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
   693 				$atom_structure['track_id']  = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
       
   694 				break;
       
   695 
       
   696 
       
   697 			case 'ptv ': // Print To Video - defines a movie's full screen mode
       
   698 				// http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm
       
   699 				$atom_structure['display_size_raw']  = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
       
   700 				$atom_structure['reserved_1']        = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); // hardcoded: 0x0000
       
   701 				$atom_structure['reserved_2']        = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x0000
       
   702 				$atom_structure['slide_show_flag']   = getid3_lib::BigEndian2Int(substr($atom_data, 6, 1));
       
   703 				$atom_structure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 7, 1));
       
   704 
       
   705 				$atom_structure['flags']['play_on_open'] = (bool) $atom_structure['play_on_open_flag'];
       
   706 				$atom_structure['flags']['slide_show']   = (bool) $atom_structure['slide_show_flag'];
       
   707 
       
   708 				$ptv_lookup[0] = 'normal';
       
   709 				$ptv_lookup[1] = 'double';
       
   710 				$ptv_lookup[2] = 'half';
       
   711 				$ptv_lookup[3] = 'full';
       
   712 				$ptv_lookup[4] = 'current';
       
   713 				if (isset($ptv_lookup[$atom_structure['display_size_raw']])) {
       
   714 					$atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']];
       
   715 				} else {
       
   716 					$this->warning('unknown "ptv " display constant ('.$atom_structure['display_size_raw'].')');
       
   717 				}
       
   718 				break;
       
   719 
       
   720 
       
   721 			case 'stsd': // Sample Table Sample Description atom
       
   722 				$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
   723 				$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
   724 				$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
       
   725 
       
   726 				// see: https://github.com/JamesHeinrich/getID3/issues/111
       
   727 				// Some corrupt files have been known to have high bits set in the number_entries field
       
   728 				// This field shouldn't really need to be 32-bits, values stores are likely in the range 1-100000
       
   729 				// Workaround: mask off the upper byte and throw a warning if it's nonzero
       
   730 				if ($atom_structure['number_entries'] > 0x000FFFFF) {
       
   731 					if ($atom_structure['number_entries'] > 0x00FFFFFF) {
       
   732 						$this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($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));
       
   733 						$atom_structure['number_entries'] = ($atom_structure['number_entries'] & 0x00FFFFFF);
       
   734 					} else {
   626 					} else {
   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. Please report this to info@getid3.org referencing bug report #111');
   627 						$this->warning('Error decompressing compressed MOV atom at offset '.$atom_structure['offset']);
   736 					}
   628 					}
   737 				}
   629 					break;
   738 
   630 
   739 				$stsdEntriesDataOffset = 8;
   631 
   740 				for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
   632 				case 'dcom': // Data COMpression atom
   741 					$atom_structure['sample_description_table'][$i]['size']             = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 4));
   633 					$atom_structure['compression_id']   = $atom_data;
   742 					$stsdEntriesDataOffset += 4;
   634 					$atom_structure['compression_text'] = $this->QuicktimeDCOMLookup($atom_data);
   743 					$atom_structure['sample_description_table'][$i]['data_format']      =                           substr($atom_data, $stsdEntriesDataOffset, 4);
   635 					break;
   744 					$stsdEntriesDataOffset += 4;
   636 
   745 					$atom_structure['sample_description_table'][$i]['reserved']         = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 6));
   637 
   746 					$stsdEntriesDataOffset += 6;
   638 				case 'rdrf': // Reference movie Data ReFerence atom
   747 					$atom_structure['sample_description_table'][$i]['reference_index']  = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 2));
   639 					$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
   748 					$stsdEntriesDataOffset += 2;
   640 					$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
   749 					$atom_structure['sample_description_table'][$i]['data']             =                           substr($atom_data, $stsdEntriesDataOffset, ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2));
   641 					$atom_structure['flags']['internal_data'] = (bool) ($atom_structure['flags_raw'] & 0x000001);
   750 					$stsdEntriesDataOffset += ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2);
   642 
   751 
   643 					$atom_structure['reference_type_name']    =                           substr($atom_data,  4, 4);
   752 					$atom_structure['sample_description_table'][$i]['encoder_version']  = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  0, 2));
   644 					$atom_structure['reference_length']       = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
   753 					$atom_structure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  2, 2));
   645 					switch ($atom_structure['reference_type_name']) {
   754 					$atom_structure['sample_description_table'][$i]['encoder_vendor']   =                           substr($atom_structure['sample_description_table'][$i]['data'],  4, 4);
   646 						case 'url ':
   755 
   647 							$atom_structure['url']            =       $this->NoNullString(substr($atom_data, 12));
   756 					switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) {
       
   757 
       
   758 						case "\x00\x00\x00\x00":
       
   759 							// audio tracks
       
   760 							$atom_structure['sample_description_table'][$i]['audio_channels']       =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  8,  2));
       
   761 							$atom_structure['sample_description_table'][$i]['audio_bit_depth']      =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 10,  2));
       
   762 							$atom_structure['sample_description_table'][$i]['audio_compression_id'] =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12,  2));
       
   763 							$atom_structure['sample_description_table'][$i]['audio_packet_size']    =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 14,  2));
       
   764 							$atom_structure['sample_description_table'][$i]['audio_sample_rate']    = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16,  4));
       
   765 
       
   766 							// video tracks
       
   767 							// http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap3/qtff3.html
       
   768 							$atom_structure['sample_description_table'][$i]['temporal_quality'] =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  8,  4));
       
   769 							$atom_structure['sample_description_table'][$i]['spatial_quality']  =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12,  4));
       
   770 							$atom_structure['sample_description_table'][$i]['width']            =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16,  2));
       
   771 							$atom_structure['sample_description_table'][$i]['height']           =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18,  2));
       
   772 							$atom_structure['sample_description_table'][$i]['resolution_x']     = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24,  4));
       
   773 							$atom_structure['sample_description_table'][$i]['resolution_y']     = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 28,  4));
       
   774 							$atom_structure['sample_description_table'][$i]['data_size']        =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32,  4));
       
   775 							$atom_structure['sample_description_table'][$i]['frame_count']      =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 36,  2));
       
   776 							$atom_structure['sample_description_table'][$i]['compressor_name']  =                             substr($atom_structure['sample_description_table'][$i]['data'], 38,  4);
       
   777 							$atom_structure['sample_description_table'][$i]['pixel_depth']      =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 42,  2));
       
   778 							$atom_structure['sample_description_table'][$i]['color_table_id']   =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 44,  2));
       
   779 
       
   780 							switch ($atom_structure['sample_description_table'][$i]['data_format']) {
       
   781 								case '2vuY':
       
   782 								case 'avc1':
       
   783 								case 'cvid':
       
   784 								case 'dvc ':
       
   785 								case 'dvcp':
       
   786 								case 'gif ':
       
   787 								case 'h263':
       
   788 								case 'jpeg':
       
   789 								case 'kpcd':
       
   790 								case 'mjpa':
       
   791 								case 'mjpb':
       
   792 								case 'mp4v':
       
   793 								case 'png ':
       
   794 								case 'raw ':
       
   795 								case 'rle ':
       
   796 								case 'rpza':
       
   797 								case 'smc ':
       
   798 								case 'SVQ1':
       
   799 								case 'SVQ3':
       
   800 								case 'tiff':
       
   801 								case 'v210':
       
   802 								case 'v216':
       
   803 								case 'v308':
       
   804 								case 'v408':
       
   805 								case 'v410':
       
   806 								case 'yuv2':
       
   807 									$info['fileformat'] = 'mp4';
       
   808 									$info['video']['fourcc'] = $atom_structure['sample_description_table'][$i]['data_format'];
       
   809 // http://www.getid3.org/phpBB3/viewtopic.php?t=1550
       
   810 //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
       
   811 if (!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['height'])) {
       
   812 	// assume that values stored here are more important than values stored in [tkhd] atom
       
   813 	$info['video']['resolution_x'] = $atom_structure['sample_description_table'][$i]['width'];
       
   814 	$info['video']['resolution_y'] = $atom_structure['sample_description_table'][$i]['height'];
       
   815 	$info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x'];
       
   816 	$info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y'];
       
   817 }
       
   818 									break;
       
   819 
       
   820 								case 'qtvr':
       
   821 									$info['video']['dataformat'] = 'quicktimevr';
       
   822 									break;
       
   823 
       
   824 								case 'mp4a':
       
   825 								default:
       
   826 									$info['quicktime']['audio']['codec']       = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']);
       
   827 									$info['quicktime']['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate'];
       
   828 									$info['quicktime']['audio']['channels']    = $atom_structure['sample_description_table'][$i]['audio_channels'];
       
   829 									$info['quicktime']['audio']['bit_depth']   = $atom_structure['sample_description_table'][$i]['audio_bit_depth'];
       
   830 									$info['audio']['codec']                    = $info['quicktime']['audio']['codec'];
       
   831 									$info['audio']['sample_rate']              = $info['quicktime']['audio']['sample_rate'];
       
   832 									$info['audio']['channels']                 = $info['quicktime']['audio']['channels'];
       
   833 									$info['audio']['bits_per_sample']          = $info['quicktime']['audio']['bit_depth'];
       
   834 									switch ($atom_structure['sample_description_table'][$i]['data_format']) {
       
   835 										case 'raw ': // PCM
       
   836 										case 'alac': // Apple Lossless Audio Codec
       
   837 											$info['audio']['lossless'] = true;
       
   838 											break;
       
   839 										default:
       
   840 											$info['audio']['lossless'] = false;
       
   841 											break;
       
   842 									}
       
   843 									break;
       
   844 							}
       
   845 							break;
   648 							break;
   846 
   649 
       
   650 						case 'alis':
       
   651 							$atom_structure['file_alias']     =                           substr($atom_data, 12);
       
   652 							break;
       
   653 
       
   654 						case 'rsrc':
       
   655 							$atom_structure['resource_alias'] =                           substr($atom_data, 12);
       
   656 							break;
       
   657 
   847 						default:
   658 						default:
   848 							switch ($atom_structure['sample_description_table'][$i]['data_format']) {
   659 							$atom_structure['data']           =                           substr($atom_data, 12);
   849 								case 'mp4s':
       
   850 									$info['fileformat'] = 'mp4';
       
   851 									break;
       
   852 
       
   853 								default:
       
   854 									// video atom
       
   855 									$atom_structure['sample_description_table'][$i]['video_temporal_quality']  =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  8,  4));
       
   856 									$atom_structure['sample_description_table'][$i]['video_spatial_quality']   =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12,  4));
       
   857 									$atom_structure['sample_description_table'][$i]['video_frame_width']       =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16,  2));
       
   858 									$atom_structure['sample_description_table'][$i]['video_frame_height']      =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18,  2));
       
   859 									$atom_structure['sample_description_table'][$i]['video_resolution_x']      = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20,  4));
       
   860 									$atom_structure['sample_description_table'][$i]['video_resolution_y']      = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24,  4));
       
   861 									$atom_structure['sample_description_table'][$i]['video_data_size']         =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 28,  4));
       
   862 									$atom_structure['sample_description_table'][$i]['video_frame_count']       =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32,  2));
       
   863 									$atom_structure['sample_description_table'][$i]['video_encoder_name_len']  =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 34,  1));
       
   864 									$atom_structure['sample_description_table'][$i]['video_encoder_name']      =                             substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']);
       
   865 									$atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66,  2));
       
   866 									$atom_structure['sample_description_table'][$i]['video_color_table_id']    =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68,  2));
       
   867 
       
   868 									$atom_structure['sample_description_table'][$i]['video_pixel_color_type']  = (($atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color');
       
   869 									$atom_structure['sample_description_table'][$i]['video_pixel_color_name']  = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']);
       
   870 
       
   871 									if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') {
       
   872 										$info['quicktime']['video']['codec_fourcc']        = $atom_structure['sample_description_table'][$i]['data_format'];
       
   873 										$info['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']);
       
   874 										$info['quicktime']['video']['codec']               = (($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']);
       
   875 										$info['quicktime']['video']['color_depth']         = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'];
       
   876 										$info['quicktime']['video']['color_depth_name']    = $atom_structure['sample_description_table'][$i]['video_pixel_color_name'];
       
   877 
       
   878 										$info['video']['codec']           = $info['quicktime']['video']['codec'];
       
   879 										$info['video']['bits_per_sample'] = $info['quicktime']['video']['color_depth'];
       
   880 									}
       
   881 									$info['video']['lossless']           = false;
       
   882 									$info['video']['pixel_aspect_ratio'] = (float) 1;
       
   883 									break;
       
   884 							}
       
   885 							break;
   660 							break;
   886 					}
   661 					}
   887 					switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) {
   662 					break;
   888 						case 'mp4a':
   663 
   889 							$info['audio']['dataformat']         = 'mp4';
   664 
   890 							$info['quicktime']['audio']['codec'] = 'mp4';
   665 				case 'rmqu': // Reference Movie QUality atom
   891 							break;
   666 					$atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data);
   892 
   667 					break;
   893 						case '3ivx':
   668 
   894 						case '3iv1':
   669 
   895 						case '3iv2':
   670 				case 'rmcs': // Reference Movie Cpu Speed atom
   896 							$info['video']['dataformat'] = '3ivx';
   671 					$atom_structure['version']          = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
   897 							break;
   672 					$atom_structure['flags_raw']        = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
   898 
   673 					$atom_structure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
   899 						case 'xvid':
   674 					break;
   900 							$info['video']['dataformat'] = 'xvid';
   675 
   901 							break;
   676 
   902 
   677 				case 'rmvc': // Reference Movie Version Check atom
   903 						case 'mp4v':
   678 					$atom_structure['version']            = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
   904 							$info['video']['dataformat'] = 'mpeg4';
   679 					$atom_structure['flags_raw']          = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
   905 							break;
   680 					$atom_structure['gestalt_selector']   =                           substr($atom_data,  4, 4);
   906 
   681 					$atom_structure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
   907 						case 'divx':
   682 					$atom_structure['gestalt_value']      = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
   908 						case 'div1':
   683 					$atom_structure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2));
   909 						case 'div2':
   684 					break;
   910 						case 'div3':
   685 
   911 						case 'div4':
   686 
   912 						case 'div5':
   687 				case 'rmcd': // Reference Movie Component check atom
   913 						case 'div6':
   688 					$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
   914 							$info['video']['dataformat'] = 'divx';
   689 					$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
   915 							break;
   690 					$atom_structure['component_type']         =                           substr($atom_data,  4, 4);
   916 
   691 					$atom_structure['component_subtype']      =                           substr($atom_data,  8, 4);
   917 						default:
   692 					$atom_structure['component_manufacturer'] =                           substr($atom_data, 12, 4);
   918 							// do nothing
   693 					$atom_structure['component_flags_raw']    = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
   919 							break;
   694 					$atom_structure['component_flags_mask']   = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
   920 					}
   695 					$atom_structure['component_min_version']  = getid3_lib::BigEndian2Int(substr($atom_data, 24, 4));
   921 					unset($atom_structure['sample_description_table'][$i]['data']);
   696 					break;
   922 				}
   697 
   923 				break;
   698 
   924 
   699 				case 'rmdr': // Reference Movie Data Rate atom
   925 
   700 					$atom_structure['version']       = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
   926 			case 'stts': // Sample Table Time-to-Sample atom
   701 					$atom_structure['flags_raw']     = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
   927 				$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
   702 					$atom_structure['data_rate']     = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
   928 				$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
   703 
   929 				$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
   704 					$atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10;
   930 				$sttsEntriesDataOffset = 8;
   705 					break;
   931 				//$FrameRateCalculatorArray = array();
   706 
   932 				$frames_count = 0;
   707 
   933 
   708 				case 'rmla': // Reference Movie Language Atom
   934 				$max_stts_entries_to_scan = ($info['php_memory_limit'] ? min(floor($this->getid3->memory_limit / 10000), $atom_structure['number_entries']) : $atom_structure['number_entries']);
   709 					$atom_structure['version']     = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
   935 				if ($max_stts_entries_to_scan < $atom_structure['number_entries']) {
   710 					$atom_structure['flags_raw']   = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
   936 					$this->warning('QuickTime atom "stts" has '.$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).');
   711 					$atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
   937 				}
   712 
   938 				for ($i = 0; $i < $max_stts_entries_to_scan; $i++) {
   713 					$atom_structure['language']    = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
   939 					$atom_structure['time_to_sample_table'][$i]['sample_count']    = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4));
   714 					if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
   940 					$sttsEntriesDataOffset += 4;
   715 						$info['comments']['language'][] = $atom_structure['language'];
   941 					$atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4));
   716 					}
   942 					$sttsEntriesDataOffset += 4;
   717 					break;
   943 
   718 
   944 					$frames_count += $atom_structure['time_to_sample_table'][$i]['sample_count'];
   719 
   945 
   720 				case 'ptv ': // Print To Video - defines a movie's full screen mode
   946 					// THIS SECTION REPLACED WITH CODE IN "stbl" ATOM
   721 					// http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm
   947 					//if (!empty($info['quicktime']['time_scale']) && ($atom_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) {
   722 					$atom_structure['display_size_raw']  = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
   948 					//	$stts_new_framerate = $info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'];
   723 					$atom_structure['reserved_1']        = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); // hardcoded: 0x0000
   949 					//	if ($stts_new_framerate <= 60) {
   724 					$atom_structure['reserved_2']        = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x0000
   950 					//		// some atoms have durations of "1" giving a very large framerate, which probably is not right
   725 					$atom_structure['slide_show_flag']   = getid3_lib::BigEndian2Int(substr($atom_data, 6, 1));
   951 					//		$info['video']['frame_rate'] = max($info['video']['frame_rate'], $stts_new_framerate);
   726 					$atom_structure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 7, 1));
   952 					//	}
   727 
   953 					//}
   728 					$atom_structure['flags']['play_on_open'] = (bool) $atom_structure['play_on_open_flag'];
   954 					//
   729 					$atom_structure['flags']['slide_show']   = (bool) $atom_structure['slide_show_flag'];
   955 					//$FrameRateCalculatorArray[($info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count'];
   730 
   956 				}
   731 					$ptv_lookup[0] = 'normal';
   957 				$info['quicktime']['stts_framecount'][] = $frames_count;
   732 					$ptv_lookup[1] = 'double';
   958 				//$sttsFramesTotal  = 0;
   733 					$ptv_lookup[2] = 'half';
   959 				//$sttsSecondsTotal = 0;
   734 					$ptv_lookup[3] = 'full';
   960 				//foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) {
   735 					$ptv_lookup[4] = 'current';
   961 				//	if (($frames_per_second > 60) || ($frames_per_second < 1)) {
   736 					if (isset($ptv_lookup[$atom_structure['display_size_raw']])) {
   962 				//		// not video FPS information, probably audio information
   737 						$atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']];
   963 				//		$sttsFramesTotal  = 0;
   738 					} else {
   964 				//		$sttsSecondsTotal = 0;
   739 						$this->warning('unknown "ptv " display constant ('.$atom_structure['display_size_raw'].')');
   965 				//		break;
   740 					}
   966 				//	}
   741 					break;
   967 				//	$sttsFramesTotal  += $frame_count;
   742 
   968 				//	$sttsSecondsTotal += $frame_count / $frames_per_second;
   743 
   969 				//}
   744 				case 'stsd': // Sample Table Sample Description atom
   970 				//if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) {
       
   971 				//	if (($sttsFramesTotal / $sttsSecondsTotal) > $info['video']['frame_rate']) {
       
   972 				//		$info['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal;
       
   973 				//	}
       
   974 				//}
       
   975 				break;
       
   976 
       
   977 
       
   978 			case 'stss': // Sample Table Sync Sample (key frames) atom
       
   979 				if ($ParseAllPossibleAtoms) {
       
   980 					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
   745 					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
   981 					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
   746 					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
   982 					$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
   747 					$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
   983 					$stssEntriesDataOffset = 8;
   748 
       
   749 					// see: https://github.com/JamesHeinrich/getID3/issues/111
       
   750 					// Some corrupt files have been known to have high bits set in the number_entries field
       
   751 					// This field shouldn't really need to be 32-bits, values stores are likely in the range 1-100000
       
   752 					// Workaround: mask off the upper byte and throw a warning if it's nonzero
       
   753 					if ($atom_structure['number_entries'] > 0x000FFFFF) {
       
   754 						if ($atom_structure['number_entries'] > 0x00FFFFFF) {
       
   755 							$this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($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));
       
   756 							$atom_structure['number_entries'] = ($atom_structure['number_entries'] & 0x00FFFFFF);
       
   757 						} else {
       
   758 							$this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($atom_data, 4, 4), true, false).' = '.$atom_structure['number_entries'].'), probably in error. Please report this to info@getid3.org referencing bug report #111');
       
   759 						}
       
   760 					}
       
   761 
       
   762 					$stsdEntriesDataOffset = 8;
   984 					for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
   763 					for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
   985 						$atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stssEntriesDataOffset, 4));
   764 						$atom_structure['sample_description_table'][$i]['size']             = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 4));
   986 						$stssEntriesDataOffset += 4;
   765 						$stsdEntriesDataOffset += 4;
   987 					}
   766 						$atom_structure['sample_description_table'][$i]['data_format']      =                           substr($atom_data, $stsdEntriesDataOffset, 4);
   988 				}
   767 						$stsdEntriesDataOffset += 4;
   989 				break;
   768 						$atom_structure['sample_description_table'][$i]['reserved']         = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 6));
   990 
   769 						$stsdEntriesDataOffset += 6;
   991 
   770 						$atom_structure['sample_description_table'][$i]['reference_index']  = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 2));
   992 			case 'stsc': // Sample Table Sample-to-Chunk atom
   771 						$stsdEntriesDataOffset += 2;
   993 				if ($ParseAllPossibleAtoms) {
   772 						$atom_structure['sample_description_table'][$i]['data']             =                           substr($atom_data, $stsdEntriesDataOffset, ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2));
       
   773 						$stsdEntriesDataOffset += ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2);
       
   774 
       
   775 						if (substr($atom_structure['sample_description_table'][$i]['data'],  1, 54) == 'application/octet-stream;type=com.parrot.videometadata') {
       
   776 							// special handling for apparently-malformed (TextMetaDataSampleEntry?) data for some version of Parrot drones
       
   777 							$atom_structure['sample_description_table'][$i]['parrot_frame_metadata']['mime_type']        =       substr($atom_structure['sample_description_table'][$i]['data'],  1, 55);
       
   778 							$atom_structure['sample_description_table'][$i]['parrot_frame_metadata']['metadata_version'] = (int) substr($atom_structure['sample_description_table'][$i]['data'], 55,  1);
       
   779 							unset($atom_structure['sample_description_table'][$i]['data']);
       
   780 $this->warning('incomplete/incorrect handling of "stsd" with Parrot metadata in this version of getID3() ['.$this->getid3->version().']');
       
   781 							continue;
       
   782 						}
       
   783 
       
   784 						$atom_structure['sample_description_table'][$i]['encoder_version']  = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  0, 2));
       
   785 						$atom_structure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  2, 2));
       
   786 						$atom_structure['sample_description_table'][$i]['encoder_vendor']   =                           substr($atom_structure['sample_description_table'][$i]['data'],  4, 4);
       
   787 
       
   788 						switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) {
       
   789 
       
   790 							case "\x00\x00\x00\x00":
       
   791 								// audio tracks
       
   792 								$atom_structure['sample_description_table'][$i]['audio_channels']       =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  8,  2));
       
   793 								$atom_structure['sample_description_table'][$i]['audio_bit_depth']      =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 10,  2));
       
   794 								$atom_structure['sample_description_table'][$i]['audio_compression_id'] =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12,  2));
       
   795 								$atom_structure['sample_description_table'][$i]['audio_packet_size']    =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 14,  2));
       
   796 								$atom_structure['sample_description_table'][$i]['audio_sample_rate']    = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16,  4));
       
   797 
       
   798 								// video tracks
       
   799 								// http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap3/qtff3.html
       
   800 								$atom_structure['sample_description_table'][$i]['temporal_quality'] =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  8,  4));
       
   801 								$atom_structure['sample_description_table'][$i]['spatial_quality']  =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12,  4));
       
   802 								$atom_structure['sample_description_table'][$i]['width']            =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16,  2));
       
   803 								$atom_structure['sample_description_table'][$i]['height']           =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18,  2));
       
   804 								$atom_structure['sample_description_table'][$i]['resolution_x']     = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24,  4));
       
   805 								$atom_structure['sample_description_table'][$i]['resolution_y']     = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 28,  4));
       
   806 								$atom_structure['sample_description_table'][$i]['data_size']        =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32,  4));
       
   807 								$atom_structure['sample_description_table'][$i]['frame_count']      =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 36,  2));
       
   808 								$atom_structure['sample_description_table'][$i]['compressor_name']  =                             substr($atom_structure['sample_description_table'][$i]['data'], 38,  4);
       
   809 								$atom_structure['sample_description_table'][$i]['pixel_depth']      =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 42,  2));
       
   810 								$atom_structure['sample_description_table'][$i]['color_table_id']   =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 44,  2));
       
   811 
       
   812 								switch ($atom_structure['sample_description_table'][$i]['data_format']) {
       
   813 									case '2vuY':
       
   814 									case 'avc1':
       
   815 									case 'cvid':
       
   816 									case 'dvc ':
       
   817 									case 'dvcp':
       
   818 									case 'gif ':
       
   819 									case 'h263':
       
   820 									case 'jpeg':
       
   821 									case 'kpcd':
       
   822 									case 'mjpa':
       
   823 									case 'mjpb':
       
   824 									case 'mp4v':
       
   825 									case 'png ':
       
   826 									case 'raw ':
       
   827 									case 'rle ':
       
   828 									case 'rpza':
       
   829 									case 'smc ':
       
   830 									case 'SVQ1':
       
   831 									case 'SVQ3':
       
   832 									case 'tiff':
       
   833 									case 'v210':
       
   834 									case 'v216':
       
   835 									case 'v308':
       
   836 									case 'v408':
       
   837 									case 'v410':
       
   838 									case 'yuv2':
       
   839 										$info['fileformat'] = 'mp4';
       
   840 										$info['video']['fourcc'] = $atom_structure['sample_description_table'][$i]['data_format'];
       
   841 										if ($this->QuicktimeVideoCodecLookup($info['video']['fourcc'])) {
       
   842 											$info['video']['fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($info['video']['fourcc']);
       
   843 										}
       
   844 
       
   845 										// https://www.getid3.org/phpBB3/viewtopic.php?t=1550
       
   846 										//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
       
   847 										if (!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['height'])) {
       
   848 											// assume that values stored here are more important than values stored in [tkhd] atom
       
   849 											$info['video']['resolution_x'] = $atom_structure['sample_description_table'][$i]['width'];
       
   850 											$info['video']['resolution_y'] = $atom_structure['sample_description_table'][$i]['height'];
       
   851 											$info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x'];
       
   852 											$info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y'];
       
   853 										}
       
   854 										break;
       
   855 
       
   856 									case 'qtvr':
       
   857 										$info['video']['dataformat'] = 'quicktimevr';
       
   858 										break;
       
   859 
       
   860 									case 'mp4a':
       
   861 									default:
       
   862 										$info['quicktime']['audio']['codec']       = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']);
       
   863 										$info['quicktime']['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate'];
       
   864 										$info['quicktime']['audio']['channels']    = $atom_structure['sample_description_table'][$i]['audio_channels'];
       
   865 										$info['quicktime']['audio']['bit_depth']   = $atom_structure['sample_description_table'][$i]['audio_bit_depth'];
       
   866 										$info['audio']['codec']                    = $info['quicktime']['audio']['codec'];
       
   867 										$info['audio']['sample_rate']              = $info['quicktime']['audio']['sample_rate'];
       
   868 										$info['audio']['channels']                 = $info['quicktime']['audio']['channels'];
       
   869 										$info['audio']['bits_per_sample']          = $info['quicktime']['audio']['bit_depth'];
       
   870 										switch ($atom_structure['sample_description_table'][$i]['data_format']) {
       
   871 											case 'raw ': // PCM
       
   872 											case 'alac': // Apple Lossless Audio Codec
       
   873 											case 'sowt': // signed/two's complement (Little Endian)
       
   874 											case 'twos': // signed/two's complement (Big Endian)
       
   875 											case 'in24': // 24-bit Integer
       
   876 											case 'in32': // 32-bit Integer
       
   877 											case 'fl32': // 32-bit Floating Point
       
   878 											case 'fl64': // 64-bit Floating Point
       
   879 												$info['audio']['lossless'] = $info['quicktime']['audio']['lossless'] = true;
       
   880 												$info['audio']['bitrate']  = $info['quicktime']['audio']['bitrate']  = $info['audio']['channels'] * $info['audio']['bits_per_sample'] * $info['audio']['sample_rate'];
       
   881 												break;
       
   882 											default:
       
   883 												$info['audio']['lossless'] = false;
       
   884 												break;
       
   885 										}
       
   886 										break;
       
   887 								}
       
   888 								break;
       
   889 
       
   890 							default:
       
   891 								switch ($atom_structure['sample_description_table'][$i]['data_format']) {
       
   892 									case 'mp4s':
       
   893 										$info['fileformat'] = 'mp4';
       
   894 										break;
       
   895 
       
   896 									default:
       
   897 										// video atom
       
   898 										$atom_structure['sample_description_table'][$i]['video_temporal_quality']  =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'],  8,  4));
       
   899 										$atom_structure['sample_description_table'][$i]['video_spatial_quality']   =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12,  4));
       
   900 										$atom_structure['sample_description_table'][$i]['video_frame_width']       =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16,  2));
       
   901 										$atom_structure['sample_description_table'][$i]['video_frame_height']      =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18,  2));
       
   902 										$atom_structure['sample_description_table'][$i]['video_resolution_x']      = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20,  4));
       
   903 										$atom_structure['sample_description_table'][$i]['video_resolution_y']      = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24,  4));
       
   904 										$atom_structure['sample_description_table'][$i]['video_data_size']         =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 28,  4));
       
   905 										$atom_structure['sample_description_table'][$i]['video_frame_count']       =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32,  2));
       
   906 										$atom_structure['sample_description_table'][$i]['video_encoder_name_len']  =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 34,  1));
       
   907 										$atom_structure['sample_description_table'][$i]['video_encoder_name']      =                             substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']);
       
   908 										$atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66,  2));
       
   909 										$atom_structure['sample_description_table'][$i]['video_color_table_id']    =   getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68,  2));
       
   910 
       
   911 										$atom_structure['sample_description_table'][$i]['video_pixel_color_type']  = (($atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color');
       
   912 										$atom_structure['sample_description_table'][$i]['video_pixel_color_name']  = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']);
       
   913 
       
   914 										if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') {
       
   915 											$info['quicktime']['video']['codec_fourcc']        = $atom_structure['sample_description_table'][$i]['data_format'];
       
   916 											$info['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']);
       
   917 											$info['quicktime']['video']['codec']               = (($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']);
       
   918 											$info['quicktime']['video']['color_depth']         = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'];
       
   919 											$info['quicktime']['video']['color_depth_name']    = $atom_structure['sample_description_table'][$i]['video_pixel_color_name'];
       
   920 
       
   921 											$info['video']['codec']           = $info['quicktime']['video']['codec'];
       
   922 											$info['video']['bits_per_sample'] = $info['quicktime']['video']['color_depth'];
       
   923 										}
       
   924 										$info['video']['lossless']           = false;
       
   925 										$info['video']['pixel_aspect_ratio'] = (float) 1;
       
   926 										break;
       
   927 								}
       
   928 								break;
       
   929 						}
       
   930 						switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) {
       
   931 							case 'mp4a':
       
   932 								$info['audio']['dataformat']         = 'mp4';
       
   933 								$info['quicktime']['audio']['codec'] = 'mp4';
       
   934 								break;
       
   935 
       
   936 							case '3ivx':
       
   937 							case '3iv1':
       
   938 							case '3iv2':
       
   939 								$info['video']['dataformat'] = '3ivx';
       
   940 								break;
       
   941 
       
   942 							case 'xvid':
       
   943 								$info['video']['dataformat'] = 'xvid';
       
   944 								break;
       
   945 
       
   946 							case 'mp4v':
       
   947 								$info['video']['dataformat'] = 'mpeg4';
       
   948 								break;
       
   949 
       
   950 							case 'divx':
       
   951 							case 'div1':
       
   952 							case 'div2':
       
   953 							case 'div3':
       
   954 							case 'div4':
       
   955 							case 'div5':
       
   956 							case 'div6':
       
   957 								$info['video']['dataformat'] = 'divx';
       
   958 								break;
       
   959 
       
   960 							default:
       
   961 								// do nothing
       
   962 								break;
       
   963 						}
       
   964 						unset($atom_structure['sample_description_table'][$i]['data']);
       
   965 					}
       
   966 					break;
       
   967 
       
   968 
       
   969 				case 'stts': // Sample Table Time-to-Sample atom
   994 					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
   970 					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
   995 					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
   971 					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
   996 					$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
   972 					$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
   997 					$stscEntriesDataOffset = 8;
   973 					$sttsEntriesDataOffset = 8;
   998 					for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
   974 					//$FrameRateCalculatorArray = array();
   999 						$atom_structure['sample_to_chunk_table'][$i]['first_chunk']        = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
   975 					$frames_count = 0;
  1000 						$stscEntriesDataOffset += 4;
   976 
  1001 						$atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk']  = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
   977 					$max_stts_entries_to_scan = ($info['php_memory_limit'] ? min(floor($this->getid3->memory_limit / 10000), $atom_structure['number_entries']) : $atom_structure['number_entries']);
  1002 						$stscEntriesDataOffset += 4;
   978 					if ($max_stts_entries_to_scan < $atom_structure['number_entries']) {
  1003 						$atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
   979 						$this->warning('QuickTime atom "stts" has '.$atom_structure['number_entries'].' but only scanning the first '.$max_stts_entries_to_scan.' entries due to limited PHP memory available ('.floor($this->getid3->memory_limit / 1048576).'MB).');
  1004 						$stscEntriesDataOffset += 4;
   980 					}
  1005 					}
   981 					for ($i = 0; $i < $max_stts_entries_to_scan; $i++) {
  1006 				}
   982 						$atom_structure['time_to_sample_table'][$i]['sample_count']    = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4));
  1007 				break;
   983 						$sttsEntriesDataOffset += 4;
  1008 
   984 						$atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4));
  1009 
   985 						$sttsEntriesDataOffset += 4;
  1010 			case 'stsz': // Sample Table SiZe atom
   986 
  1011 				if ($ParseAllPossibleAtoms) {
   987 						$frames_count += $atom_structure['time_to_sample_table'][$i]['sample_count'];
  1012 					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
   988 
  1013 					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
   989 						// THIS SECTION REPLACED WITH CODE IN "stbl" ATOM
  1014 					$atom_structure['sample_size']    = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
   990 						//if (!empty($info['quicktime']['time_scale']) && ($atom_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) {
  1015 					$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
   991 						//	$stts_new_framerate = $info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'];
  1016 					$stszEntriesDataOffset = 12;
   992 						//	if ($stts_new_framerate <= 60) {
  1017 					if ($atom_structure['sample_size'] == 0) {
   993 						//		// some atoms have durations of "1" giving a very large framerate, which probably is not right
       
   994 						//		$info['video']['frame_rate'] = max($info['video']['frame_rate'], $stts_new_framerate);
       
   995 						//	}
       
   996 						//}
       
   997 						//
       
   998 						//$FrameRateCalculatorArray[($info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count'];
       
   999 					}
       
  1000 					$info['quicktime']['stts_framecount'][] = $frames_count;
       
  1001 					//$sttsFramesTotal  = 0;
       
  1002 					//$sttsSecondsTotal = 0;
       
  1003 					//foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) {
       
  1004 					//	if (($frames_per_second > 60) || ($frames_per_second < 1)) {
       
  1005 					//		// not video FPS information, probably audio information
       
  1006 					//		$sttsFramesTotal  = 0;
       
  1007 					//		$sttsSecondsTotal = 0;
       
  1008 					//		break;
       
  1009 					//	}
       
  1010 					//	$sttsFramesTotal  += $frame_count;
       
  1011 					//	$sttsSecondsTotal += $frame_count / $frames_per_second;
       
  1012 					//}
       
  1013 					//if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) {
       
  1014 					//	if (($sttsFramesTotal / $sttsSecondsTotal) > $info['video']['frame_rate']) {
       
  1015 					//		$info['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal;
       
  1016 					//	}
       
  1017 					//}
       
  1018 					break;
       
  1019 
       
  1020 
       
  1021 				case 'stss': // Sample Table Sync Sample (key frames) atom
       
  1022 					if ($ParseAllPossibleAtoms) {
       
  1023 						$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1024 						$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
  1025 						$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
       
  1026 						$stssEntriesDataOffset = 8;
  1018 						for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
  1027 						for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
  1019 							$atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4));
  1028 							$atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stssEntriesDataOffset, 4));
  1020 							$stszEntriesDataOffset += 4;
  1029 							$stssEntriesDataOffset += 4;
  1021 						}
  1030 						}
  1022 					}
  1031 					}
  1023 				}
  1032 					break;
  1024 				break;
  1033 
  1025 
  1034 
  1026 
  1035 				case 'stsc': // Sample Table Sample-to-Chunk atom
  1027 			case 'stco': // Sample Table Chunk Offset atom
  1036 					if ($ParseAllPossibleAtoms) {
  1028 				if ($ParseAllPossibleAtoms) {
  1037 						$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1038 						$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
  1039 						$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
       
  1040 						$stscEntriesDataOffset = 8;
       
  1041 						for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
       
  1042 							$atom_structure['sample_to_chunk_table'][$i]['first_chunk']        = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
       
  1043 							$stscEntriesDataOffset += 4;
       
  1044 							$atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk']  = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
       
  1045 							$stscEntriesDataOffset += 4;
       
  1046 							$atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
       
  1047 							$stscEntriesDataOffset += 4;
       
  1048 						}
       
  1049 					}
       
  1050 					break;
       
  1051 
       
  1052 
       
  1053 				case 'stsz': // Sample Table SiZe atom
       
  1054 					if ($ParseAllPossibleAtoms) {
       
  1055 						$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1056 						$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
  1057 						$atom_structure['sample_size']    = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
       
  1058 						$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
       
  1059 						$stszEntriesDataOffset = 12;
       
  1060 						if ($atom_structure['sample_size'] == 0) {
       
  1061 							for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
       
  1062 								$atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4));
       
  1063 								$stszEntriesDataOffset += 4;
       
  1064 							}
       
  1065 						}
       
  1066 					}
       
  1067 					break;
       
  1068 
       
  1069 
       
  1070 				case 'stco': // Sample Table Chunk Offset atom
       
  1071 //					if (true) {
       
  1072 					if ($ParseAllPossibleAtoms) {
       
  1073 						$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1074 						$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
  1075 						$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
       
  1076 						$stcoEntriesDataOffset = 8;
       
  1077 						for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
       
  1078 							$atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4));
       
  1079 							$stcoEntriesDataOffset += 4;
       
  1080 						}
       
  1081 					}
       
  1082 					break;
       
  1083 
       
  1084 
       
  1085 				case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files)
       
  1086 					if ($ParseAllPossibleAtoms) {
       
  1087 						$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1088 						$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
  1089 						$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
       
  1090 						$stcoEntriesDataOffset = 8;
       
  1091 						for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
       
  1092 							$atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8));
       
  1093 							$stcoEntriesDataOffset += 8;
       
  1094 						}
       
  1095 					}
       
  1096 					break;
       
  1097 
       
  1098 
       
  1099 				case 'dref': // Data REFerence atom
  1029 					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
  1100 					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
  1030 					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
  1101 					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
  1031 					$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
  1102 					$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
  1032 					$stcoEntriesDataOffset = 8;
  1103 					$drefDataOffset = 8;
  1033 					for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
  1104 					for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
  1034 						$atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4));
  1105 						$atom_structure['data_references'][$i]['size']                    = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 4));
  1035 						$stcoEntriesDataOffset += 4;
  1106 						$drefDataOffset += 4;
  1036 					}
  1107 						$atom_structure['data_references'][$i]['type']                    =                           substr($atom_data, $drefDataOffset, 4);
  1037 				}
  1108 						$drefDataOffset += 4;
  1038 				break;
  1109 						$atom_structure['data_references'][$i]['version']                 = getid3_lib::BigEndian2Int(substr($atom_data,  $drefDataOffset, 1));
  1039 
  1110 						$drefDataOffset += 1;
  1040 
  1111 						$atom_structure['data_references'][$i]['flags_raw']               = getid3_lib::BigEndian2Int(substr($atom_data,  $drefDataOffset, 3)); // hardcoded: 0x0000
  1041 			case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files)
  1112 						$drefDataOffset += 3;
  1042 				if ($ParseAllPossibleAtoms) {
  1113 						$atom_structure['data_references'][$i]['data']                    =                           substr($atom_data, $drefDataOffset, ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3));
       
  1114 						$drefDataOffset += ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3);
       
  1115 
       
  1116 						$atom_structure['data_references'][$i]['flags']['self_reference'] = (bool) ($atom_structure['data_references'][$i]['flags_raw'] & 0x001);
       
  1117 					}
       
  1118 					break;
       
  1119 
       
  1120 
       
  1121 				case 'gmin': // base Media INformation atom
       
  1122 					$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1123 					$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
  1124 					$atom_structure['graphics_mode']          = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
       
  1125 					$atom_structure['opcolor_red']            = getid3_lib::BigEndian2Int(substr($atom_data,  6, 2));
       
  1126 					$atom_structure['opcolor_green']          = getid3_lib::BigEndian2Int(substr($atom_data,  8, 2));
       
  1127 					$atom_structure['opcolor_blue']           = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2));
       
  1128 					$atom_structure['balance']                = getid3_lib::BigEndian2Int(substr($atom_data, 12, 2));
       
  1129 					$atom_structure['reserved']               = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2));
       
  1130 					break;
       
  1131 
       
  1132 
       
  1133 				case 'smhd': // Sound Media information HeaDer atom
       
  1134 					$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1135 					$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
  1136 					$atom_structure['balance']                = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
       
  1137 					$atom_structure['reserved']               = getid3_lib::BigEndian2Int(substr($atom_data,  6, 2));
       
  1138 					break;
       
  1139 
       
  1140 
       
  1141 				case 'vmhd': // Video Media information HeaDer atom
       
  1142 					$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1143 					$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
       
  1144 					$atom_structure['graphics_mode']          = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
       
  1145 					$atom_structure['opcolor_red']            = getid3_lib::BigEndian2Int(substr($atom_data,  6, 2));
       
  1146 					$atom_structure['opcolor_green']          = getid3_lib::BigEndian2Int(substr($atom_data,  8, 2));
       
  1147 					$atom_structure['opcolor_blue']           = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2));
       
  1148 
       
  1149 					$atom_structure['flags']['no_lean_ahead'] = (bool) ($atom_structure['flags_raw'] & 0x001);
       
  1150 					break;
       
  1151 
       
  1152 
       
  1153 				case 'hdlr': // HanDLeR reference atom
       
  1154 					$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1155 					$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
  1156 					$atom_structure['component_type']         =                           substr($atom_data,  4, 4);
       
  1157 					$atom_structure['component_subtype']      =                           substr($atom_data,  8, 4);
       
  1158 					$atom_structure['component_manufacturer'] =                           substr($atom_data, 12, 4);
       
  1159 					$atom_structure['component_flags_raw']    = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
       
  1160 					$atom_structure['component_flags_mask']   = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
       
  1161 					$atom_structure['component_name']         = $this->MaybePascal2String(substr($atom_data, 24));
       
  1162 
       
  1163 					if (($atom_structure['component_subtype'] == 'STpn') && ($atom_structure['component_manufacturer'] == 'zzzz')) {
       
  1164 						$info['video']['dataformat'] = 'quicktimevr';
       
  1165 					}
       
  1166 					break;
       
  1167 
       
  1168 
       
  1169 				case 'mdhd': // MeDia HeaDer atom
       
  1170 					$atom_structure['version']               = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1171 					$atom_structure['flags_raw']             = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
  1172 					$atom_structure['creation_time']         = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
       
  1173 					$atom_structure['modify_time']           = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
       
  1174 					$atom_structure['time_scale']            = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
       
  1175 					$atom_structure['duration']              = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
       
  1176 					$atom_structure['language_id']           = getid3_lib::BigEndian2Int(substr($atom_data, 20, 2));
       
  1177 					$atom_structure['quality']               = getid3_lib::BigEndian2Int(substr($atom_data, 22, 2));
       
  1178 
       
  1179 					if ($atom_structure['time_scale'] == 0) {
       
  1180 						$this->error('Corrupt Quicktime file: mdhd.time_scale == zero');
       
  1181 						return false;
       
  1182 					}
       
  1183 					$info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']);
       
  1184 
       
  1185 					$atom_structure['creation_time_unix']    = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
       
  1186 					$atom_structure['modify_time_unix']      = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
       
  1187 					$atom_structure['playtime_seconds']      = $atom_structure['duration'] / $atom_structure['time_scale'];
       
  1188 					$atom_structure['language']              = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
       
  1189 					if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
       
  1190 						$info['comments']['language'][] = $atom_structure['language'];
       
  1191 					}
       
  1192 					$info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix'];
       
  1193 					$info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix'];
       
  1194 					break;
       
  1195 
       
  1196 
       
  1197 				case 'pnot': // Preview atom
       
  1198 					$atom_structure['modification_date']      = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4)); // "standard Macintosh format"
       
  1199 					$atom_structure['version_number']         = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2)); // hardcoded: 0x00
       
  1200 					$atom_structure['atom_type']              =                           substr($atom_data,  6, 4);        // usually: 'PICT'
       
  1201 					$atom_structure['atom_index']             = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); // usually: 0x01
       
  1202 
       
  1203 					$atom_structure['modification_date_unix'] = getid3_lib::DateMac2Unix($atom_structure['modification_date']);
       
  1204 					$info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modification_date_unix'];
       
  1205 					break;
       
  1206 
       
  1207 
       
  1208 				case 'crgn': // Clipping ReGioN atom
       
  1209 					$atom_structure['region_size']   = getid3_lib::BigEndian2Int(substr($atom_data,  0, 2)); // The Region size, Region boundary box,
       
  1210 					$atom_structure['boundary_box']  = getid3_lib::BigEndian2Int(substr($atom_data,  2, 8)); // and Clipping region data fields
       
  1211 					$atom_structure['clipping_data'] =                           substr($atom_data, 10);           // constitute a QuickDraw region.
       
  1212 					break;
       
  1213 
       
  1214 
       
  1215 				case 'load': // track LOAD settings atom
       
  1216 					$atom_structure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4));
       
  1217 					$atom_structure['preload_duration']   = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
       
  1218 					$atom_structure['preload_flags_raw']  = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
       
  1219 					$atom_structure['default_hints_raw']  = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
       
  1220 
       
  1221 					$atom_structure['default_hints']['double_buffer'] = (bool) ($atom_structure['default_hints_raw'] & 0x0020);
       
  1222 					$atom_structure['default_hints']['high_quality']  = (bool) ($atom_structure['default_hints_raw'] & 0x0100);
       
  1223 					break;
       
  1224 
       
  1225 
       
  1226 				case 'tmcd': // TiMe CoDe atom
       
  1227 				case 'chap': // CHAPter list atom
       
  1228 				case 'sync': // SYNChronization atom
       
  1229 				case 'scpt': // tranSCriPT atom
       
  1230 				case 'ssrc': // non-primary SouRCe atom
       
  1231 					for ($i = 0; $i < strlen($atom_data); $i += 4) {
       
  1232 						@$atom_structure['track_id'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4));
       
  1233 					}
       
  1234 					break;
       
  1235 
       
  1236 
       
  1237 				case 'elst': // Edit LiST atom
  1043 					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
  1238 					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
  1044 					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
  1239 					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
  1045 					$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
  1240 					$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
  1046 					$stcoEntriesDataOffset = 8;
  1241 					for ($i = 0; $i < $atom_structure['number_entries']; $i++ ) {
  1047 					for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
  1242 						$atom_structure['edit_list'][$i]['track_duration'] =   getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 0, 4));
  1048 						$atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8));
  1243 						$atom_structure['edit_list'][$i]['media_time']     =   getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 4, 4));
  1049 						$stcoEntriesDataOffset += 8;
  1244 						$atom_structure['edit_list'][$i]['media_rate']     = getid3_lib::FixedPoint16_16(substr($atom_data, 8 + ($i * 12) + 8, 4));
  1050 					}
  1245 					}
  1051 				}
  1246 					break;
  1052 				break;
  1247 
  1053 
  1248 
  1054 
  1249 				case 'kmat': // compressed MATte atom
  1055 			case 'dref': // Data REFerence atom
  1250 					$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
  1056 				$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
  1251 					$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
  1057 				$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
  1252 					$atom_structure['matte_data_raw'] =               substr($atom_data,  4);
  1058 				$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
  1253 					break;
  1059 				$drefDataOffset = 8;
  1254 
  1060 				for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
  1255 
  1061 					$atom_structure['data_references'][$i]['size']                    = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 4));
  1256 				case 'ctab': // Color TABle atom
  1062 					$drefDataOffset += 4;
  1257 					$atom_structure['color_table_seed']   = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4)); // hardcoded: 0x00000000
  1063 					$atom_structure['data_references'][$i]['type']                    =                           substr($atom_data, $drefDataOffset, 4);
  1258 					$atom_structure['color_table_flags']  = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2)); // hardcoded: 0x8000
  1064 					$drefDataOffset += 4;
  1259 					$atom_structure['color_table_size']   = getid3_lib::BigEndian2Int(substr($atom_data,  6, 2)) + 1;
  1065 					$atom_structure['data_references'][$i]['version']                 = getid3_lib::BigEndian2Int(substr($atom_data,  $drefDataOffset, 1));
  1260 					for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) {
  1066 					$drefDataOffset += 1;
  1261 						$atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 0, 2));
  1067 					$atom_structure['data_references'][$i]['flags_raw']               = getid3_lib::BigEndian2Int(substr($atom_data,  $drefDataOffset, 3)); // hardcoded: 0x0000
  1262 						$atom_structure['color_table'][$colortableentry]['red']   = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 2, 2));
  1068 					$drefDataOffset += 3;
  1263 						$atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 4, 2));
  1069 					$atom_structure['data_references'][$i]['data']                    =                           substr($atom_data, $drefDataOffset, ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3));
  1264 						$atom_structure['color_table'][$colortableentry]['blue']  = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 6, 2));
  1070 					$drefDataOffset += ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3);
  1265 					}
  1071 
  1266 					break;
  1072 					$atom_structure['data_references'][$i]['flags']['self_reference'] = (bool) ($atom_structure['data_references'][$i]['flags_raw'] & 0x001);
  1267 
  1073 				}
  1268 
  1074 				break;
  1269 				case 'mvhd': // MoVie HeaDer atom
  1075 
  1270 					$atom_structure['version']            =   getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
  1076 
  1271 					$atom_structure['flags_raw']          =   getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
  1077 			case 'gmin': // base Media INformation atom
  1272 					$atom_structure['creation_time']      =   getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
  1078 				$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
  1273 					$atom_structure['modify_time']        =   getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
  1079 				$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
  1274 					$atom_structure['time_scale']         =   getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
  1080 				$atom_structure['graphics_mode']          = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
  1275 					$atom_structure['duration']           =   getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
  1081 				$atom_structure['opcolor_red']            = getid3_lib::BigEndian2Int(substr($atom_data,  6, 2));
  1276 					$atom_structure['preferred_rate']     = getid3_lib::FixedPoint16_16(substr($atom_data, 20, 4));
  1082 				$atom_structure['opcolor_green']          = getid3_lib::BigEndian2Int(substr($atom_data,  8, 2));
  1277 					$atom_structure['preferred_volume']   =   getid3_lib::FixedPoint8_8(substr($atom_data, 24, 2));
  1083 				$atom_structure['opcolor_blue']           = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2));
  1278 					$atom_structure['reserved']           =                             substr($atom_data, 26, 10);
  1084 				$atom_structure['balance']                = getid3_lib::BigEndian2Int(substr($atom_data, 12, 2));
  1279 					$atom_structure['matrix_a']           = getid3_lib::FixedPoint16_16(substr($atom_data, 36, 4));
  1085 				$atom_structure['reserved']               = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2));
  1280 					$atom_structure['matrix_b']           = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4));
  1086 				break;
  1281 					$atom_structure['matrix_u']           =  getid3_lib::FixedPoint2_30(substr($atom_data, 44, 4));
  1087 
  1282 					$atom_structure['matrix_c']           = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4));
  1088 
  1283 					$atom_structure['matrix_d']           = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4));
  1089 			case 'smhd': // Sound Media information HeaDer atom
  1284 					$atom_structure['matrix_v']           =  getid3_lib::FixedPoint2_30(substr($atom_data, 56, 4));
  1090 				$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
  1285 					$atom_structure['matrix_x']           = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4));
  1091 				$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
  1286 					$atom_structure['matrix_y']           = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4));
  1092 				$atom_structure['balance']                = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
  1287 					$atom_structure['matrix_w']           =  getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4));
  1093 				$atom_structure['reserved']               = getid3_lib::BigEndian2Int(substr($atom_data,  6, 2));
  1288 					$atom_structure['preview_time']       =   getid3_lib::BigEndian2Int(substr($atom_data, 72, 4));
  1094 				break;
  1289 					$atom_structure['preview_duration']   =   getid3_lib::BigEndian2Int(substr($atom_data, 76, 4));
  1095 
  1290 					$atom_structure['poster_time']        =   getid3_lib::BigEndian2Int(substr($atom_data, 80, 4));
  1096 
  1291 					$atom_structure['selection_time']     =   getid3_lib::BigEndian2Int(substr($atom_data, 84, 4));
  1097 			case 'vmhd': // Video Media information HeaDer atom
  1292 					$atom_structure['selection_duration'] =   getid3_lib::BigEndian2Int(substr($atom_data, 88, 4));
  1098 				$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
  1293 					$atom_structure['current_time']       =   getid3_lib::BigEndian2Int(substr($atom_data, 92, 4));
  1099 				$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
  1294 					$atom_structure['next_track_id']      =   getid3_lib::BigEndian2Int(substr($atom_data, 96, 4));
  1100 				$atom_structure['graphics_mode']          = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2));
  1295 
  1101 				$atom_structure['opcolor_red']            = getid3_lib::BigEndian2Int(substr($atom_data,  6, 2));
  1296 					if ($atom_structure['time_scale'] == 0) {
  1102 				$atom_structure['opcolor_green']          = getid3_lib::BigEndian2Int(substr($atom_data,  8, 2));
  1297 						$this->error('Corrupt Quicktime file: mvhd.time_scale == zero');
  1103 				$atom_structure['opcolor_blue']           = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2));
  1298 						return false;
  1104 
  1299 					}
  1105 				$atom_structure['flags']['no_lean_ahead'] = (bool) ($atom_structure['flags_raw'] & 0x001);
  1300 					$atom_structure['creation_time_unix']        = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
  1106 				break;
  1301 					$atom_structure['modify_time_unix']          = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
  1107 
  1302 					$info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix'];
  1108 
  1303 					$info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix'];
  1109 			case 'hdlr': // HanDLeR reference atom
  1304 					$info['quicktime']['time_scale']    = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']);
  1110 				$atom_structure['version']                = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
  1305 					$info['quicktime']['display_scale'] = $atom_structure['matrix_a'];
  1111 				$atom_structure['flags_raw']              = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
  1306 					$info['playtime_seconds']           = $atom_structure['duration'] / $atom_structure['time_scale'];
  1112 				$atom_structure['component_type']         =                           substr($atom_data,  4, 4);
  1307 					break;
  1113 				$atom_structure['component_subtype']      =                           substr($atom_data,  8, 4);
  1308 
  1114 				$atom_structure['component_manufacturer'] =                           substr($atom_data, 12, 4);
  1309 
  1115 				$atom_structure['component_flags_raw']    = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
  1310 				case 'tkhd': // TracK HeaDer atom
  1116 				$atom_structure['component_flags_mask']   = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
  1311 					$atom_structure['version']             =   getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
  1117 				$atom_structure['component_name']         =      $this->Pascal2String(substr($atom_data, 24));
  1312 					$atom_structure['flags_raw']           =   getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
  1118 
  1313 					$atom_structure['creation_time']       =   getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
  1119 				if (($atom_structure['component_subtype'] == 'STpn') && ($atom_structure['component_manufacturer'] == 'zzzz')) {
  1314 					$atom_structure['modify_time']         =   getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
  1120 					$info['video']['dataformat'] = 'quicktimevr';
  1315 					$atom_structure['trackid']             =   getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
  1121 				}
  1316 					$atom_structure['reserved1']           =   getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
  1122 				break;
  1317 					$atom_structure['duration']            =   getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
  1123 
  1318 					$atom_structure['reserved2']           =   getid3_lib::BigEndian2Int(substr($atom_data, 24, 8));
  1124 
  1319 					$atom_structure['layer']               =   getid3_lib::BigEndian2Int(substr($atom_data, 32, 2));
  1125 			case 'mdhd': // MeDia HeaDer atom
  1320 					$atom_structure['alternate_group']     =   getid3_lib::BigEndian2Int(substr($atom_data, 34, 2));
  1126 				$atom_structure['version']               = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
  1321 					$atom_structure['volume']              =   getid3_lib::FixedPoint8_8(substr($atom_data, 36, 2));
  1127 				$atom_structure['flags_raw']             = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
  1322 					$atom_structure['reserved3']           =   getid3_lib::BigEndian2Int(substr($atom_data, 38, 2));
  1128 				$atom_structure['creation_time']         = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
  1323 					// http://developer.apple.com/library/mac/#documentation/QuickTime/RM/MovieBasics/MTEditing/K-Chapter/11MatrixFunctions.html
  1129 				$atom_structure['modify_time']           = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
  1324 					// http://developer.apple.com/library/mac/#documentation/QuickTime/qtff/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-18737
  1130 				$atom_structure['time_scale']            = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
  1325 					$atom_structure['matrix_a']            = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4));
  1131 				$atom_structure['duration']              = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
  1326 					$atom_structure['matrix_b']            = getid3_lib::FixedPoint16_16(substr($atom_data, 44, 4));
  1132 				$atom_structure['language_id']           = getid3_lib::BigEndian2Int(substr($atom_data, 20, 2));
  1327 					$atom_structure['matrix_u']            =  getid3_lib::FixedPoint2_30(substr($atom_data, 48, 4));
  1133 				$atom_structure['quality']               = getid3_lib::BigEndian2Int(substr($atom_data, 22, 2));
  1328 					$atom_structure['matrix_c']            = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4));
  1134 
  1329 					$atom_structure['matrix_d']            = getid3_lib::FixedPoint16_16(substr($atom_data, 56, 4));
  1135 				if ($atom_structure['time_scale'] == 0) {
  1330 					$atom_structure['matrix_v']            =  getid3_lib::FixedPoint2_30(substr($atom_data, 60, 4));
  1136 					$this->error('Corrupt Quicktime file: mdhd.time_scale == zero');
  1331 					$atom_structure['matrix_x']            = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4));
  1137 					return false;
  1332 					$atom_structure['matrix_y']            = getid3_lib::FixedPoint16_16(substr($atom_data, 68, 4));
  1138 				}
  1333 					$atom_structure['matrix_w']            =  getid3_lib::FixedPoint2_30(substr($atom_data, 72, 4));
  1139 				$info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']);
  1334 					$atom_structure['width']               = getid3_lib::FixedPoint16_16(substr($atom_data, 76, 4));
  1140 
  1335 					$atom_structure['height']              = getid3_lib::FixedPoint16_16(substr($atom_data, 80, 4));
  1141 				$atom_structure['creation_time_unix']    = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
  1336 					$atom_structure['flags']['enabled']    = (bool) ($atom_structure['flags_raw'] & 0x0001);
  1142 				$atom_structure['modify_time_unix']      = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
  1337 					$atom_structure['flags']['in_movie']   = (bool) ($atom_structure['flags_raw'] & 0x0002);
  1143 				$atom_structure['playtime_seconds']      = $atom_structure['duration'] / $atom_structure['time_scale'];
  1338 					$atom_structure['flags']['in_preview'] = (bool) ($atom_structure['flags_raw'] & 0x0004);
  1144 				$atom_structure['language']              = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
  1339 					$atom_structure['flags']['in_poster']  = (bool) ($atom_structure['flags_raw'] & 0x0008);
  1145 				if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
  1340 					$atom_structure['creation_time_unix']  = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
  1146 					$info['comments']['language'][] = $atom_structure['language'];
  1341 					$atom_structure['modify_time_unix']    = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
  1147 				}
  1342 					$info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix'];
  1148 				break;
  1343 					$info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix'];
  1149 
  1344 
  1150 
  1345 					// https://www.getid3.org/phpBB3/viewtopic.php?t=1908
  1151 			case 'pnot': // Preview atom
  1346 					// attempt to compute rotation from matrix values
  1152 				$atom_structure['modification_date']      = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4)); // "standard Macintosh format"
  1347 					// 2017-Dec-28: uncertain if 90/270 are correctly oriented; values returned by FixedPoint16_16 should perhaps be -1 instead of 65535(?)
  1153 				$atom_structure['version_number']         = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2)); // hardcoded: 0x00
  1348 					$matrixRotation = 0;
  1154 				$atom_structure['atom_type']              =                           substr($atom_data,  6, 4);        // usually: 'PICT'
  1349 					switch ($atom_structure['matrix_a'].':'.$atom_structure['matrix_b'].':'.$atom_structure['matrix_c'].':'.$atom_structure['matrix_d']) {
  1155 				$atom_structure['atom_index']             = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); // usually: 0x01
  1350 						case '1:0:0:1':         $matrixRotation =   0; break;
  1156 
  1351 						case '0:1:65535:0':     $matrixRotation =  90; break;
  1157 				$atom_structure['modification_date_unix'] = getid3_lib::DateMac2Unix($atom_structure['modification_date']);
  1352 						case '65535:0:0:65535': $matrixRotation = 180; break;
  1158 				break;
  1353 						case '0:65535:1:0':     $matrixRotation = 270; break;
  1159 
  1354 						default: break;
  1160 
  1355 					}
  1161 			case 'crgn': // Clipping ReGioN atom
  1356 
  1162 				$atom_structure['region_size']   = getid3_lib::BigEndian2Int(substr($atom_data,  0, 2)); // The Region size, Region boundary box,
  1357 					// https://www.getid3.org/phpBB3/viewtopic.php?t=2468
  1163 				$atom_structure['boundary_box']  = getid3_lib::BigEndian2Int(substr($atom_data,  2, 8)); // and Clipping region data fields
  1358 					// The rotation matrix can appear in the Quicktime file multiple times, at least once for each track,
  1164 				$atom_structure['clipping_data'] =                           substr($atom_data, 10);           // constitute a QuickDraw region.
  1359 					// and it's possible that only the video track (or, in theory, one of the video tracks) is flagged as
  1165 				break;
  1360 					// rotated while the other tracks (e.g. audio) is tagged as rotation=0 (behavior noted on iPhone 8 Plus)
  1166 
  1361 					// The correct solution would be to check if the TrackID associated with the rotation matrix is indeed
  1167 
  1362 					// a video track (or the main video track) and only set the rotation then, but since information about
  1168 			case 'load': // track LOAD settings atom
  1363 					// what track is what is not trivially there to be examined, the lazy solution is to set the rotation
  1169 				$atom_structure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4));
  1364 					// if it is found to be nonzero, on the assumption that tracks that don't need it will have rotation set
  1170 				$atom_structure['preload_duration']   = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
  1365 					// to zero (and be effectively ignored) and the video track will have rotation set correctly, which will
  1171 				$atom_structure['preload_flags_raw']  = getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
  1366 					// either be zero and automatically correct, or nonzero and be set correctly.
  1172 				$atom_structure['default_hints_raw']  = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
  1367 					if (!isset($info['video']['rotate']) || (($info['video']['rotate'] == 0) && ($matrixRotation > 0))) {
  1173 
  1368 						$info['quicktime']['video']['rotate'] = $info['video']['rotate'] = $matrixRotation;
  1174 				$atom_structure['default_hints']['double_buffer'] = (bool) ($atom_structure['default_hints_raw'] & 0x0020);
  1369 					}
  1175 				$atom_structure['default_hints']['high_quality']  = (bool) ($atom_structure['default_hints_raw'] & 0x0100);
  1370 
  1176 				break;
  1371 					if ($atom_structure['flags']['enabled'] == 1) {
  1177 
  1372 						if (!isset($info['video']['resolution_x']) || !isset($info['video']['resolution_y'])) {
  1178 
  1373 							$info['video']['resolution_x'] = $atom_structure['width'];
  1179 			case 'tmcd': // TiMe CoDe atom
  1374 							$info['video']['resolution_y'] = $atom_structure['height'];
  1180 			case 'chap': // CHAPter list atom
  1375 						}
  1181 			case 'sync': // SYNChronization atom
  1376 						$info['video']['resolution_x'] = max($info['video']['resolution_x'], $atom_structure['width']);
  1182 			case 'scpt': // tranSCriPT atom
  1377 						$info['video']['resolution_y'] = max($info['video']['resolution_y'], $atom_structure['height']);
  1183 			case 'ssrc': // non-primary SouRCe atom
  1378 						$info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x'];
  1184 				for ($i = 0; $i < strlen($atom_data); $i += 4) {
  1379 						$info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y'];
  1185 					@$atom_structure['track_id'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4));
  1380 					} else {
  1186 				}
  1381 						// see: https://www.getid3.org/phpBB3/viewtopic.php?t=1295
  1187 				break;
  1382 						//if (isset($info['video']['resolution_x'])) { unset($info['video']['resolution_x']); }
  1188 
  1383 						//if (isset($info['video']['resolution_y'])) { unset($info['video']['resolution_y']); }
  1189 
  1384 						//if (isset($info['quicktime']['video']))    { unset($info['quicktime']['video']);    }
  1190 			case 'elst': // Edit LiST atom
  1385 					}
  1191 				$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
  1386 					break;
  1192 				$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
  1387 
  1193 				$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
  1388 
  1194 				for ($i = 0; $i < $atom_structure['number_entries']; $i++ ) {
  1389 				case 'iods': // Initial Object DeScriptor atom
  1195 					$atom_structure['edit_list'][$i]['track_duration'] =   getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 0, 4));
  1390 					// http://www.koders.com/c/fid1FAB3E762903DC482D8A246D4A4BF9F28E049594.aspx?s=windows.h
  1196 					$atom_structure['edit_list'][$i]['media_time']     =   getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 4, 4));
  1391 					// http://libquicktime.sourcearchive.com/documentation/1.0.2plus-pdebian/iods_8c-source.html
  1197 					$atom_structure['edit_list'][$i]['media_rate']     = getid3_lib::FixedPoint16_16(substr($atom_data, 8 + ($i * 12) + 8, 4));
  1392 					$offset = 0;
  1198 				}
  1393 					$atom_structure['version']                =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
  1199 				break;
       
  1200 
       
  1201 
       
  1202 			case 'kmat': // compressed MATte atom
       
  1203 				$atom_structure['version']        = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1204 				$atom_structure['flags_raw']      = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3)); // hardcoded: 0x0000
       
  1205 				$atom_structure['matte_data_raw'] =               substr($atom_data,  4);
       
  1206 				break;
       
  1207 
       
  1208 
       
  1209 			case 'ctab': // Color TABle atom
       
  1210 				$atom_structure['color_table_seed']   = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4)); // hardcoded: 0x00000000
       
  1211 				$atom_structure['color_table_flags']  = getid3_lib::BigEndian2Int(substr($atom_data,  4, 2)); // hardcoded: 0x8000
       
  1212 				$atom_structure['color_table_size']   = getid3_lib::BigEndian2Int(substr($atom_data,  6, 2)) + 1;
       
  1213 				for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) {
       
  1214 					$atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 0, 2));
       
  1215 					$atom_structure['color_table'][$colortableentry]['red']   = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 2, 2));
       
  1216 					$atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 4, 2));
       
  1217 					$atom_structure['color_table'][$colortableentry]['blue']  = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 6, 2));
       
  1218 				}
       
  1219 				break;
       
  1220 
       
  1221 
       
  1222 			case 'mvhd': // MoVie HeaDer atom
       
  1223 				$atom_structure['version']            =   getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1224 				$atom_structure['flags_raw']          =   getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
       
  1225 				$atom_structure['creation_time']      =   getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
       
  1226 				$atom_structure['modify_time']        =   getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
       
  1227 				$atom_structure['time_scale']         =   getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
       
  1228 				$atom_structure['duration']           =   getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
       
  1229 				$atom_structure['preferred_rate']     = getid3_lib::FixedPoint16_16(substr($atom_data, 20, 4));
       
  1230 				$atom_structure['preferred_volume']   =   getid3_lib::FixedPoint8_8(substr($atom_data, 24, 2));
       
  1231 				$atom_structure['reserved']           =                             substr($atom_data, 26, 10);
       
  1232 				$atom_structure['matrix_a']           = getid3_lib::FixedPoint16_16(substr($atom_data, 36, 4));
       
  1233 				$atom_structure['matrix_b']           = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4));
       
  1234 				$atom_structure['matrix_u']           =  getid3_lib::FixedPoint2_30(substr($atom_data, 44, 4));
       
  1235 				$atom_structure['matrix_c']           = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4));
       
  1236 				$atom_structure['matrix_d']           = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4));
       
  1237 				$atom_structure['matrix_v']           =  getid3_lib::FixedPoint2_30(substr($atom_data, 56, 4));
       
  1238 				$atom_structure['matrix_x']           = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4));
       
  1239 				$atom_structure['matrix_y']           = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4));
       
  1240 				$atom_structure['matrix_w']           =  getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4));
       
  1241 				$atom_structure['preview_time']       =   getid3_lib::BigEndian2Int(substr($atom_data, 72, 4));
       
  1242 				$atom_structure['preview_duration']   =   getid3_lib::BigEndian2Int(substr($atom_data, 76, 4));
       
  1243 				$atom_structure['poster_time']        =   getid3_lib::BigEndian2Int(substr($atom_data, 80, 4));
       
  1244 				$atom_structure['selection_time']     =   getid3_lib::BigEndian2Int(substr($atom_data, 84, 4));
       
  1245 				$atom_structure['selection_duration'] =   getid3_lib::BigEndian2Int(substr($atom_data, 88, 4));
       
  1246 				$atom_structure['current_time']       =   getid3_lib::BigEndian2Int(substr($atom_data, 92, 4));
       
  1247 				$atom_structure['next_track_id']      =   getid3_lib::BigEndian2Int(substr($atom_data, 96, 4));
       
  1248 
       
  1249 				if ($atom_structure['time_scale'] == 0) {
       
  1250 					$this->error('Corrupt Quicktime file: mvhd.time_scale == zero');
       
  1251 					return false;
       
  1252 				}
       
  1253 				$atom_structure['creation_time_unix']        = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
       
  1254 				$atom_structure['modify_time_unix']          = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
       
  1255 				$info['quicktime']['time_scale']    = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']);
       
  1256 				$info['quicktime']['display_scale'] = $atom_structure['matrix_a'];
       
  1257 				$info['playtime_seconds']           = $atom_structure['duration'] / $atom_structure['time_scale'];
       
  1258 				break;
       
  1259 
       
  1260 
       
  1261 			case 'tkhd': // TracK HeaDer atom
       
  1262 				$atom_structure['version']             =   getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1263 				$atom_structure['flags_raw']           =   getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
       
  1264 				$atom_structure['creation_time']       =   getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
       
  1265 				$atom_structure['modify_time']         =   getid3_lib::BigEndian2Int(substr($atom_data,  8, 4));
       
  1266 				$atom_structure['trackid']             =   getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
       
  1267 				$atom_structure['reserved1']           =   getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
       
  1268 				$atom_structure['duration']            =   getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
       
  1269 				$atom_structure['reserved2']           =   getid3_lib::BigEndian2Int(substr($atom_data, 24, 8));
       
  1270 				$atom_structure['layer']               =   getid3_lib::BigEndian2Int(substr($atom_data, 32, 2));
       
  1271 				$atom_structure['alternate_group']     =   getid3_lib::BigEndian2Int(substr($atom_data, 34, 2));
       
  1272 				$atom_structure['volume']              =   getid3_lib::FixedPoint8_8(substr($atom_data, 36, 2));
       
  1273 				$atom_structure['reserved3']           =   getid3_lib::BigEndian2Int(substr($atom_data, 38, 2));
       
  1274 // http://developer.apple.com/library/mac/#documentation/QuickTime/RM/MovieBasics/MTEditing/K-Chapter/11MatrixFunctions.html
       
  1275 // http://developer.apple.com/library/mac/#documentation/QuickTime/qtff/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-18737
       
  1276 				$atom_structure['matrix_a']            = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4));
       
  1277 				$atom_structure['matrix_b']            = getid3_lib::FixedPoint16_16(substr($atom_data, 44, 4));
       
  1278 				$atom_structure['matrix_u']            =  getid3_lib::FixedPoint2_30(substr($atom_data, 48, 4));
       
  1279 				$atom_structure['matrix_c']            = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4));
       
  1280 				$atom_structure['matrix_d']            = getid3_lib::FixedPoint16_16(substr($atom_data, 56, 4));
       
  1281 				$atom_structure['matrix_v']            =  getid3_lib::FixedPoint2_30(substr($atom_data, 60, 4));
       
  1282 				$atom_structure['matrix_x']            = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4));
       
  1283 				$atom_structure['matrix_y']            = getid3_lib::FixedPoint16_16(substr($atom_data, 68, 4));
       
  1284 				$atom_structure['matrix_w']            =  getid3_lib::FixedPoint2_30(substr($atom_data, 72, 4));
       
  1285 				$atom_structure['width']               = getid3_lib::FixedPoint16_16(substr($atom_data, 76, 4));
       
  1286 				$atom_structure['height']              = getid3_lib::FixedPoint16_16(substr($atom_data, 80, 4));
       
  1287 				$atom_structure['flags']['enabled']    = (bool) ($atom_structure['flags_raw'] & 0x0001);
       
  1288 				$atom_structure['flags']['in_movie']   = (bool) ($atom_structure['flags_raw'] & 0x0002);
       
  1289 				$atom_structure['flags']['in_preview'] = (bool) ($atom_structure['flags_raw'] & 0x0004);
       
  1290 				$atom_structure['flags']['in_poster']  = (bool) ($atom_structure['flags_raw'] & 0x0008);
       
  1291 				$atom_structure['creation_time_unix']  = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
       
  1292 				$atom_structure['modify_time_unix']    = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
       
  1293 
       
  1294 				if ($atom_structure['flags']['enabled'] == 1) {
       
  1295 					if (!isset($info['video']['resolution_x']) || !isset($info['video']['resolution_y'])) {
       
  1296 						$info['video']['resolution_x'] = $atom_structure['width'];
       
  1297 						$info['video']['resolution_y'] = $atom_structure['height'];
       
  1298 					}
       
  1299 					$info['video']['resolution_x'] = max($info['video']['resolution_x'], $atom_structure['width']);
       
  1300 					$info['video']['resolution_y'] = max($info['video']['resolution_y'], $atom_structure['height']);
       
  1301 					$info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x'];
       
  1302 					$info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y'];
       
  1303 				} else {
       
  1304 					// see: http://www.getid3.org/phpBB3/viewtopic.php?t=1295
       
  1305 					//if (isset($info['video']['resolution_x'])) { unset($info['video']['resolution_x']); }
       
  1306 					//if (isset($info['video']['resolution_y'])) { unset($info['video']['resolution_y']); }
       
  1307 					//if (isset($info['quicktime']['video']))    { unset($info['quicktime']['video']);    }
       
  1308 				}
       
  1309 				break;
       
  1310 
       
  1311 
       
  1312 			case 'iods': // Initial Object DeScriptor atom
       
  1313 				// http://www.koders.com/c/fid1FAB3E762903DC482D8A246D4A4BF9F28E049594.aspx?s=windows.h
       
  1314 				// http://libquicktime.sourcearchive.com/documentation/1.0.2plus-pdebian/iods_8c-source.html
       
  1315 				$offset = 0;
       
  1316 				$atom_structure['version']                =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
       
  1317 				$offset += 1;
       
  1318 				$atom_structure['flags_raw']              =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 3));
       
  1319 				$offset += 3;
       
  1320 				$atom_structure['mp4_iod_tag']            =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
       
  1321 				$offset += 1;
       
  1322 				$atom_structure['length']                 = $this->quicktime_read_mp4_descr_length($atom_data, $offset);
       
  1323 				//$offset already adjusted by quicktime_read_mp4_descr_length()
       
  1324 				$atom_structure['object_descriptor_id']   =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2));
       
  1325 				$offset += 2;
       
  1326 				$atom_structure['od_profile_level']       =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
       
  1327 				$offset += 1;
       
  1328 				$atom_structure['scene_profile_level']    =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
       
  1329 				$offset += 1;
       
  1330 				$atom_structure['audio_profile_id']       =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
       
  1331 				$offset += 1;
       
  1332 				$atom_structure['video_profile_id']       =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
       
  1333 				$offset += 1;
       
  1334 				$atom_structure['graphics_profile_level'] =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
       
  1335 				$offset += 1;
       
  1336 
       
  1337 				$atom_structure['num_iods_tracks'] = ($atom_structure['length'] - 7) / 6; // 6 bytes would only be right if all tracks use 1-byte length fields
       
  1338 				for ($i = 0; $i < $atom_structure['num_iods_tracks']; $i++) {
       
  1339 					$atom_structure['track'][$i]['ES_ID_IncTag'] =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
       
  1340 					$offset += 1;
  1394 					$offset += 1;
  1341 					$atom_structure['track'][$i]['length']       = $this->quicktime_read_mp4_descr_length($atom_data, $offset);
  1395 					$atom_structure['flags_raw']              =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 3));
       
  1396 					$offset += 3;
       
  1397 					$atom_structure['mp4_iod_tag']            =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
       
  1398 					$offset += 1;
       
  1399 					$atom_structure['length']                 = $this->quicktime_read_mp4_descr_length($atom_data, $offset);
  1342 					//$offset already adjusted by quicktime_read_mp4_descr_length()
  1400 					//$offset already adjusted by quicktime_read_mp4_descr_length()
  1343 					$atom_structure['track'][$i]['track_id']     =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4));
  1401 					$atom_structure['object_descriptor_id']   =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2));
  1344 					$offset += 4;
  1402 					$offset += 2;
  1345 				}
  1403 					$atom_structure['od_profile_level']       =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
  1346 
  1404 					$offset += 1;
  1347 				$atom_structure['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']);
  1405 					$atom_structure['scene_profile_level']    =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
  1348 				$atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']);
  1406 					$offset += 1;
  1349 				break;
  1407 					$atom_structure['audio_profile_id']       =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
  1350 
  1408 					$offset += 1;
  1351 			case 'ftyp': // FileTYPe (?) atom (for MP4 it seems)
  1409 					$atom_structure['video_profile_id']       =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
  1352 				$atom_structure['signature'] =                           substr($atom_data,  0, 4);
  1410 					$offset += 1;
  1353 				$atom_structure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
  1411 					$atom_structure['graphics_profile_level'] =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
  1354 				$atom_structure['fourcc']    =                           substr($atom_data,  8, 4);
  1412 					$offset += 1;
  1355 				break;
  1413 
  1356 
  1414 					$atom_structure['num_iods_tracks'] = ($atom_structure['length'] - 7) / 6; // 6 bytes would only be right if all tracks use 1-byte length fields
  1357 			case 'mdat': // Media DATa atom
  1415 					for ($i = 0; $i < $atom_structure['num_iods_tracks']; $i++) {
  1358 				// 'mdat' contains the actual data for the audio/video, possibly also subtitles
  1416 						$atom_structure['track'][$i]['ES_ID_IncTag'] =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
  1359 
  1417 						$offset += 1;
  1360 /* due to lack of known documentation, this is a kludge implementation. If you know of documentation on how mdat is properly structed, please send it to info@getid3.org */
  1418 						$atom_structure['track'][$i]['length']       = $this->quicktime_read_mp4_descr_length($atom_data, $offset);
  1361 
  1419 						//$offset already adjusted by quicktime_read_mp4_descr_length()
  1362 				// first, skip any 'wide' padding, and second 'mdat' header (with specified size of zero?)
  1420 						$atom_structure['track'][$i]['track_id']     =       getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4));
  1363 				$mdat_offset = 0;
  1421 						$offset += 4;
  1364 				while (true) {
  1422 					}
  1365 					if (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x08".'wide') {
  1423 
  1366 						$mdat_offset += 8;
  1424 					$atom_structure['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']);
  1367 					} elseif (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x00".'mdat') {
  1425 					$atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']);
  1368 						$mdat_offset += 8;
  1426 					break;
  1369 					} else {
  1427 
  1370 						break;
  1428 				case 'ftyp': // FileTYPe (?) atom (for MP4 it seems)
  1371 					}
  1429 					$atom_structure['signature'] =                           substr($atom_data,  0, 4);
  1372 				}
  1430 					$atom_structure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
  1373 
  1431 					$atom_structure['fourcc']    =                           substr($atom_data,  8, 4);
  1374 				// check to see if it looks like chapter titles, in the form of unterminated strings with a leading 16-bit size field
  1432 					break;
  1375 				while (($mdat_offset < (strlen($atom_data) - 8))
  1433 
  1376 					&& ($chapter_string_length = getid3_lib::BigEndian2Int(substr($atom_data, $mdat_offset, 2)))
  1434 				case 'mdat': // Media DATa atom
  1377 					&& ($chapter_string_length < 1000)
  1435 					// 'mdat' contains the actual data for the audio/video, possibly also subtitles
  1378 					&& ($chapter_string_length <= (strlen($atom_data) - $mdat_offset - 2))
  1436 
  1379 					&& preg_match('#^([\x00-\xFF]{2})([\x20-\xFF]+)$#', substr($atom_data, $mdat_offset, $chapter_string_length + 2), $chapter_matches)) {
  1437 	/* due to lack of known documentation, this is a kludge implementation. If you know of documentation on how mdat is properly structed, please send it to info@getid3.org */
  1380 						list($dummy, $chapter_string_length_hex, $chapter_string) = $chapter_matches;
  1438 
  1381 						$mdat_offset += (2 + $chapter_string_length);
  1439 					// first, skip any 'wide' padding, and second 'mdat' header (with specified size of zero?)
  1382 						@$info['quicktime']['comments']['chapters'][] = $chapter_string;
  1440 					$mdat_offset = 0;
  1383 
  1441 					while (true) {
  1384 						// "encd" atom specifies encoding. In theory could be anything, almost always UTF-8, but may be UTF-16 with BOM (not currently handled)
  1442 						if (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x08".'wide') {
  1385 						if (substr($atom_data, $mdat_offset, 12) == "\x00\x00\x00\x0C\x65\x6E\x63\x64\x00\x00\x01\x00") { // UTF-8
  1443 							$mdat_offset += 8;
  1386 							$mdat_offset += 12;
  1444 						} elseif (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x00".'mdat') {
       
  1445 							$mdat_offset += 8;
       
  1446 						} else {
       
  1447 							break;
  1387 						}
  1448 						}
  1388 				}
  1449 					}
  1389 
  1450 					if (substr($atom_data, $mdat_offset, 4) == 'GPRO') {
  1390 
  1451 						$GOPRO_chunk_length = getid3_lib::LittleEndian2Int(substr($atom_data, $mdat_offset + 4, 4));
  1391 				if (($atomsize > 8) && (!isset($info['avdataend_tmp']) || ($info['quicktime'][$atomname]['size'] > ($info['avdataend_tmp'] - $info['avdataoffset'])))) {
  1452 						$GOPRO_offset = 8;
  1392 
  1453 						$atom_structure['GPRO']['raw'] = substr($atom_data, $mdat_offset + 8, $GOPRO_chunk_length - 8);
  1393 					$info['avdataoffset'] = $atom_structure['offset'] + 8;                       // $info['quicktime'][$atomname]['offset'] + 8;
  1454 						$atom_structure['GPRO']['firmware'] = substr($atom_structure['GPRO']['raw'],  0, 15);
  1394 					$OldAVDataEnd         = $info['avdataend'];
  1455 						$atom_structure['GPRO']['unknown1'] = substr($atom_structure['GPRO']['raw'], 15, 16);
  1395 					$info['avdataend']    = $atom_structure['offset'] + $atom_structure['size']; // $info['quicktime'][$atomname]['offset'] + $info['quicktime'][$atomname]['size'];
  1456 						$atom_structure['GPRO']['unknown2'] = substr($atom_structure['GPRO']['raw'], 31, 32);
  1396 
  1457 						$atom_structure['GPRO']['unknown3'] = substr($atom_structure['GPRO']['raw'], 63, 16);
  1397 					$getid3_temp = new getID3();
  1458 						$atom_structure['GPRO']['camera']   = substr($atom_structure['GPRO']['raw'], 79, 32);
  1398 					$getid3_temp->openfile($this->getid3->filename);
  1459 						$info['quicktime']['camera']['model'] = rtrim($atom_structure['GPRO']['camera'], "\x00");
  1399 					$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
  1460 					}
  1400 					$getid3_temp->info['avdataend']    = $info['avdataend'];
  1461 
  1401 					$getid3_mp3 = new getid3_mp3($getid3_temp);
  1462 					// check to see if it looks like chapter titles, in the form of unterminated strings with a leading 16-bit size field
  1402 					if ($getid3_mp3->MPEGaudioHeaderValid($getid3_mp3->MPEGaudioHeaderDecode($this->fread(4)))) {
  1463 					while (($mdat_offset < (strlen($atom_data) - 8))
  1403 						$getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false);
  1464 						&& ($chapter_string_length = getid3_lib::BigEndian2Int(substr($atom_data, $mdat_offset, 2)))
  1404 						if (!empty($getid3_temp->info['warning'])) {
  1465 						&& ($chapter_string_length < 1000)
  1405 							foreach ($getid3_temp->info['warning'] as $value) {
  1466 						&& ($chapter_string_length <= (strlen($atom_data) - $mdat_offset - 2))
  1406 								$this->warning($value);
  1467 						&& preg_match('#^([\x00-\xFF]{2})([\x20-\xFF]+)$#', substr($atom_data, $mdat_offset, $chapter_string_length + 2), $chapter_matches)) {
       
  1468 							list($dummy, $chapter_string_length_hex, $chapter_string) = $chapter_matches;
       
  1469 							$mdat_offset += (2 + $chapter_string_length);
       
  1470 							@$info['quicktime']['comments']['chapters'][] = $chapter_string;
       
  1471 
       
  1472 							// "encd" atom specifies encoding. In theory could be anything, almost always UTF-8, but may be UTF-16 with BOM (not currently handled)
       
  1473 							if (substr($atom_data, $mdat_offset, 12) == "\x00\x00\x00\x0C\x65\x6E\x63\x64\x00\x00\x01\x00") { // UTF-8
       
  1474 								$mdat_offset += 12;
       
  1475 							}
       
  1476 					}
       
  1477 
       
  1478 					if (($atomsize > 8) && (!isset($info['avdataend_tmp']) || ($info['quicktime'][$atomname]['size'] > ($info['avdataend_tmp'] - $info['avdataoffset'])))) {
       
  1479 
       
  1480 						$info['avdataoffset'] = $atom_structure['offset'] + 8;                       // $info['quicktime'][$atomname]['offset'] + 8;
       
  1481 						$OldAVDataEnd         = $info['avdataend'];
       
  1482 						$info['avdataend']    = $atom_structure['offset'] + $atom_structure['size']; // $info['quicktime'][$atomname]['offset'] + $info['quicktime'][$atomname]['size'];
       
  1483 
       
  1484 						$getid3_temp = new getID3();
       
  1485 						$getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp);
       
  1486 						$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
       
  1487 						$getid3_temp->info['avdataend']    = $info['avdataend'];
       
  1488 						$getid3_mp3 = new getid3_mp3($getid3_temp);
       
  1489 						if ($getid3_mp3->MPEGaudioHeaderValid($getid3_mp3->MPEGaudioHeaderDecode($this->fread(4)))) {
       
  1490 							$getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false);
       
  1491 							if (!empty($getid3_temp->info['warning'])) {
       
  1492 								foreach ($getid3_temp->info['warning'] as $value) {
       
  1493 									$this->warning($value);
       
  1494 								}
       
  1495 							}
       
  1496 							if (!empty($getid3_temp->info['mpeg'])) {
       
  1497 								$info['mpeg'] = $getid3_temp->info['mpeg'];
       
  1498 								if (isset($info['mpeg']['audio'])) {
       
  1499 									$info['audio']['dataformat']   = 'mp3';
       
  1500 									$info['audio']['codec']        = (!empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' :'mp3')));
       
  1501 									$info['audio']['sample_rate']  = $info['mpeg']['audio']['sample_rate'];
       
  1502 									$info['audio']['channels']     = $info['mpeg']['audio']['channels'];
       
  1503 									$info['audio']['bitrate']      = $info['mpeg']['audio']['bitrate'];
       
  1504 									$info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
       
  1505 									$info['bitrate']               = $info['audio']['bitrate'];
       
  1506 								}
  1407 							}
  1507 							}
  1408 						}
  1508 						}
  1409 						if (!empty($getid3_temp->info['mpeg'])) {
  1509 						unset($getid3_mp3, $getid3_temp);
  1410 							$info['mpeg'] = $getid3_temp->info['mpeg'];
  1510 						$info['avdataend'] = $OldAVDataEnd;
  1411 							if (isset($info['mpeg']['audio'])) {
  1511 						unset($OldAVDataEnd);
  1412 								$info['audio']['dataformat']   = 'mp3';
  1512 
  1413 								$info['audio']['codec']        = (!empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' :'mp3')));
  1513 					}
  1414 								$info['audio']['sample_rate']  = $info['mpeg']['audio']['sample_rate'];
  1514 
  1415 								$info['audio']['channels']     = $info['mpeg']['audio']['channels'];
  1515 					unset($mdat_offset, $chapter_string_length, $chapter_matches);
  1416 								$info['audio']['bitrate']      = $info['mpeg']['audio']['bitrate'];
  1516 					break;
  1417 								$info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
  1517 
  1418 								$info['bitrate']               = $info['audio']['bitrate'];
  1518 				case 'free': // FREE space atom
       
  1519 				case 'skip': // SKIP atom
       
  1520 				case 'wide': // 64-bit expansion placeholder atom
       
  1521 					// 'free', 'skip' and 'wide' are just padding, contains no useful data at all
       
  1522 
       
  1523 					// When writing QuickTime files, it is sometimes necessary to update an atom's size.
       
  1524 					// It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom
       
  1525 					// is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime
       
  1526 					// puts an 8-byte placeholder atom before any atoms it may have to update the size of.
       
  1527 					// In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the
       
  1528 					// placeholder atom can be overwritten to obtain the necessary 8 extra bytes.
       
  1529 					// The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ).
       
  1530 					break;
       
  1531 
       
  1532 
       
  1533 				case 'nsav': // NoSAVe atom
       
  1534 					// http://developer.apple.com/technotes/tn/tn2038.html
       
  1535 					$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4));
       
  1536 					break;
       
  1537 
       
  1538 				case 'ctyp': // Controller TYPe atom (seen on QTVR)
       
  1539 					// http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt
       
  1540 					// some controller names are:
       
  1541 					//   0x00 + 'std' for linear movie
       
  1542 					//   'none' for no controls
       
  1543 					$atom_structure['ctyp'] = substr($atom_data, 0, 4);
       
  1544 					$info['quicktime']['controller'] = $atom_structure['ctyp'];
       
  1545 					switch ($atom_structure['ctyp']) {
       
  1546 						case 'qtvr':
       
  1547 							$info['video']['dataformat'] = 'quicktimevr';
       
  1548 							break;
       
  1549 					}
       
  1550 					break;
       
  1551 
       
  1552 				case 'pano': // PANOrama track (seen on QTVR)
       
  1553 					$atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4));
       
  1554 					break;
       
  1555 
       
  1556 				case 'hint': // HINT track
       
  1557 				case 'hinf': //
       
  1558 				case 'hinv': //
       
  1559 				case 'hnti': //
       
  1560 					$info['quicktime']['hinting'] = true;
       
  1561 					break;
       
  1562 
       
  1563 				case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR)
       
  1564 					for ($i = 0; $i < ($atom_structure['size'] - 8); $i += 4) {
       
  1565 						$atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4));
       
  1566 					}
       
  1567 					break;
       
  1568 
       
  1569 
       
  1570 				// Observed-but-not-handled atom types are just listed here to prevent warnings being generated
       
  1571 				case 'FXTC': // Something to do with Adobe After Effects (?)
       
  1572 				case 'PrmA':
       
  1573 				case 'code':
       
  1574 				case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html
       
  1575 				case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html
       
  1576 							// tapt seems to be used to compute the video size [https://www.getid3.org/phpBB3/viewtopic.php?t=838]
       
  1577 							// * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html
       
  1578 							// * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html
       
  1579 				case 'ctts'://  STCompositionOffsetAID             - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
       
  1580 				case 'cslg'://  STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
       
  1581 				case 'sdtp'://  STSampleDependencyAID              - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
       
  1582 				case 'stps'://  STPartialSyncSampleAID             - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
       
  1583 					//$atom_structure['data'] = $atom_data;
       
  1584 					break;
       
  1585 
       
  1586 				case "\xA9".'xyz':  // GPS latitude+longitude+altitude
       
  1587 					$atom_structure['data'] = $atom_data;
       
  1588 					if (preg_match('#([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)?/$#i', $atom_data, $matches)) {
       
  1589 						@list($all, $latitude, $longitude, $altitude) = $matches;
       
  1590 						$info['quicktime']['comments']['gps_latitude'][]  = floatval($latitude);
       
  1591 						$info['quicktime']['comments']['gps_longitude'][] = floatval($longitude);
       
  1592 						if (!empty($altitude)) {
       
  1593 							$info['quicktime']['comments']['gps_altitude'][] = floatval($altitude);
       
  1594 						}
       
  1595 					} else {
       
  1596 						$this->warning('QuickTime atom "©xyz" data does not match expected data pattern at offset '.$baseoffset.'. Please report as getID3() bug.');
       
  1597 					}
       
  1598 					break;
       
  1599 
       
  1600 				case 'NCDT':
       
  1601 					// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
       
  1602 					// Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100
       
  1603 					$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms);
       
  1604 					break;
       
  1605 				case 'NCTH': // Nikon Camera THumbnail image
       
  1606 				case 'NCVW': // Nikon Camera preVieW image
       
  1607 					// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
       
  1608 					if (preg_match('/^\xFF\xD8\xFF/', $atom_data)) {
       
  1609 						$atom_structure['data'] = $atom_data;
       
  1610 						$atom_structure['image_mime'] = 'image/jpeg';
       
  1611 						$atom_structure['description'] = (($atomname == 'NCTH') ? 'Nikon Camera Thumbnail Image' : (($atomname == 'NCVW') ? 'Nikon Camera Preview Image' : 'Nikon preview image'));
       
  1612 						$info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_data, 'description'=>$atom_structure['description']);
       
  1613 					}
       
  1614 					break;
       
  1615 				case 'NCTG': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG
       
  1616 					$atom_structure['data'] = $this->QuicktimeParseNikonNCTG($atom_data);
       
  1617 					break;
       
  1618 				case 'NCHD': // Nikon:MakerNoteVersion  - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
       
  1619 				case 'NCDB': // Nikon                   - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
       
  1620 				case 'CNCV': // Canon:CompressorVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Canon.html
       
  1621 					$atom_structure['data'] = $atom_data;
       
  1622 					break;
       
  1623 
       
  1624 				case "\x00\x00\x00\x00":
       
  1625 					// some kind of metacontainer, may contain a big data dump such as:
       
  1626 					// 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
       
  1627 					// http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt
       
  1628 
       
  1629 					$atom_structure['version']   =          getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
       
  1630 					$atom_structure['flags_raw'] =          getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
       
  1631 					$atom_structure['subatoms']  = $this->QuicktimeParseContainerAtom(substr($atom_data, 4), $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
       
  1632 					//$atom_structure['subatoms']  = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
       
  1633 					break;
       
  1634 
       
  1635 				case 'meta': // METAdata atom
       
  1636 					// https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html
       
  1637 
       
  1638 					$atom_structure['version']   =          getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
       
  1639 					$atom_structure['flags_raw'] =          getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
       
  1640 					$atom_structure['subatoms']  = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
       
  1641 					break;
       
  1642 
       
  1643 				case 'data': // metaDATA atom
       
  1644 					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
       
  1645 					// seems to be 2 bytes language code (ASCII), 2 bytes unknown (set to 0x10B5 in sample I have), remainder is useful data
       
  1646 					$atom_structure['language'] =                           substr($atom_data, 4 + 0, 2);
       
  1647 					$atom_structure['unknown']  = getid3_lib::BigEndian2Int(substr($atom_data, 4 + 2, 2));
       
  1648 					$atom_structure['data']     =                           substr($atom_data, 4 + 4);
       
  1649 					$atom_structure['key_name'] = @$info['quicktime']['temp_meta_key_names'][$metaDATAkey++];
       
  1650 
       
  1651 					if ($atom_structure['key_name'] && $atom_structure['data']) {
       
  1652 						@$info['quicktime']['comments'][str_replace('com.apple.quicktime.', '', $atom_structure['key_name'])][] = $atom_structure['data'];
       
  1653 					}
       
  1654 					break;
       
  1655 
       
  1656 				case 'keys': // KEYS that may be present in the metadata atom.
       
  1657 					// https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html#//apple_ref/doc/uid/TP40000939-CH1-SW21
       
  1658 					// The metadata item keys atom holds a list of the metadata keys that may be present in the metadata atom.
       
  1659 					// 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".
       
  1660 					$atom_structure['version']       = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1661 					$atom_structure['flags_raw']     = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
       
  1662 					$atom_structure['entry_count']   = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
       
  1663 					$keys_atom_offset = 8;
       
  1664 					for ($i = 1; $i <= $atom_structure['entry_count']; $i++) {
       
  1665 						$atom_structure['keys'][$i]['key_size']      = getid3_lib::BigEndian2Int(substr($atom_data, $keys_atom_offset + 0, 4));
       
  1666 						$atom_structure['keys'][$i]['key_namespace'] =                           substr($atom_data, $keys_atom_offset + 4, 4);
       
  1667 						$atom_structure['keys'][$i]['key_value']     =                           substr($atom_data, $keys_atom_offset + 8, $atom_structure['keys'][$i]['key_size'] - 8);
       
  1668 						$keys_atom_offset += $atom_structure['keys'][$i]['key_size']; // key_size includes the 4+4 bytes for key_size and key_namespace
       
  1669 
       
  1670 						$info['quicktime']['temp_meta_key_names'][$i] = $atom_structure['keys'][$i]['key_value'];
       
  1671 					}
       
  1672 					break;
       
  1673 
       
  1674 				case 'uuid': // user-defined atom often seen containing XML data, also used for potentially many other purposes, only a few specifically handled by getID3 (e.g. 360fly spatial data)
       
  1675 					//Get the UUID ID in first 16 bytes
       
  1676 					$uuid_bytes_read = unpack('H8time_low/H4time_mid/H4time_hi/H4clock_seq_hi/H12clock_seq_low', substr($atom_data, 0, 16));
       
  1677 					$atom_structure['uuid_field_id'] = implode('-', $uuid_bytes_read);
       
  1678 
       
  1679 					switch ($atom_structure['uuid_field_id']) {   // http://fileformats.archiveteam.org/wiki/Boxes/atoms_format#UUID_boxes
       
  1680 
       
  1681 						case '0537cdab-9d0c-4431-a72a-fa561f2a113e': // Exif                                       - http://fileformats.archiveteam.org/wiki/Exif
       
  1682 						case '2c4c0100-8504-40b9-a03e-562148d6dfeb': // Photoshop Image Resources                  - http://fileformats.archiveteam.org/wiki/Photoshop_Image_Resources
       
  1683 						case '33c7a4d2-b81d-4723-a0ba-f1a3e097ad38': // IPTC-IIM                                   - http://fileformats.archiveteam.org/wiki/IPTC-IIM
       
  1684 						case '8974dbce-7be7-4c51-84f9-7148f9882554': // PIFF Track Encryption Box                  - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format
       
  1685 						case '96a9f1f1-dc98-402d-a7ae-d68e34451809': // GeoJP2 World File Box                      - http://fileformats.archiveteam.org/wiki/GeoJP2
       
  1686 						case 'a2394f52-5a9b-4f14-a244-6c427c648df4': // PIFF Sample Encryption Box                 - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format
       
  1687 						case 'b14bf8bd-083d-4b43-a5ae-8cd7d5a6ce03': // GeoJP2 GeoTIFF Box                         - http://fileformats.archiveteam.org/wiki/GeoJP2
       
  1688 						case 'd08a4f18-10f3-4a82-b6c8-32d8aba183d3': // PIFF Protection System Specific Header Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format
       
  1689 							$this->warning('Unhandled (but recognized) "uuid" atom identified by "'.$atom_structure['uuid_field_id'].'" at offset '.$atom_structure['offset'].' ('.strlen($atom_data).' bytes)');
       
  1690 							break;
       
  1691 
       
  1692 						case 'be7acfcb-97a9-42e8-9c71-999491e3afac': // XMP data (in XML format)
       
  1693 							$atom_structure['xml'] = substr($atom_data, 16, strlen($atom_data) - 16 - 8); // 16 bytes for UUID, 8 bytes header(?)
       
  1694 							break;
       
  1695 
       
  1696 						case 'efe1589a-bb77-49ef-8095-27759eb1dc6f': // 360fly data
       
  1697 							/* 360fly code in this block by Paul Lewis 2019-Oct-31 */
       
  1698 							/*	Sensor Timestamps need to be calculated using the recordings base time at ['quicktime']['moov']['subatoms'][0]['creation_time_unix']. */
       
  1699 							$atom_structure['title'] = '360Fly Sensor Data';
       
  1700 
       
  1701 							//Get the UUID HEADER data
       
  1702 							$uuid_bytes_read = unpack('vheader_size/vheader_version/vtimescale/vhardware_version/x/x/x/x/x/x/x/x/x/x/x/x/x/x/x/x/', substr($atom_data, 16, 32));
       
  1703 							$atom_structure['uuid_header'] = $uuid_bytes_read;
       
  1704 
       
  1705 							$start_byte = 48;
       
  1706 							$atom_SENSOR_data = substr($atom_data, $start_byte);
       
  1707 							$atom_structure['sensor_data']['data_type'] = array(
       
  1708 									'fusion_count'   => 0,       // ID 250
       
  1709 									'fusion_data'    => array(),
       
  1710 									'accel_count'    => 0,       // ID 1
       
  1711 									'accel_data'     => array(),
       
  1712 									'gyro_count'     => 0,       // ID 2
       
  1713 									'gyro_data'      => array(),
       
  1714 									'magno_count'    => 0,       // ID 3
       
  1715 									'magno_data'     => array(),
       
  1716 									'gps_count'      => 0,       // ID 5
       
  1717 									'gps_data'       => array(),
       
  1718 									'rotation_count' => 0,       // ID 6
       
  1719 									'rotation_data'  => array(),
       
  1720 									'unknown_count'  => 0,       // ID ??
       
  1721 									'unknown_data'   => array(),
       
  1722 									'debug_list'     => '',      // Used to debug variables stored as comma delimited strings
       
  1723 							);
       
  1724 							$debug_structure['debug_items'] = array();
       
  1725 							// Can start loop here to decode all sensor data in 32 Byte chunks:
       
  1726 							foreach (str_split($atom_SENSOR_data, 32) as $sensor_key => $sensor_data) {
       
  1727 								// This gets me a data_type code to work out what data is in the next 31 bytes.
       
  1728 								$sensor_data_type = substr($sensor_data, 0, 1);
       
  1729 								$sensor_data_content = substr($sensor_data, 1);
       
  1730 								$uuid_bytes_read = unpack('C*', $sensor_data_type);
       
  1731 								$sensor_data_array = array();
       
  1732 								switch ($uuid_bytes_read[1]) {
       
  1733 									case 250:
       
  1734 										$atom_structure['sensor_data']['data_type']['fusion_count']++;
       
  1735 										$uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content);
       
  1736 										$sensor_data_array['mode']      = $uuid_bytes_read['mode'];
       
  1737 										$sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp'];
       
  1738 										$sensor_data_array['yaw']       = $uuid_bytes_read['yaw'];
       
  1739 										$sensor_data_array['pitch']     = $uuid_bytes_read['pitch'];
       
  1740 										$sensor_data_array['roll']      = $uuid_bytes_read['roll'];
       
  1741 										array_push($atom_structure['sensor_data']['data_type']['fusion_data'], $sensor_data_array);
       
  1742 										break;
       
  1743 									case 1:
       
  1744 										$atom_structure['sensor_data']['data_type']['accel_count']++;
       
  1745 										$uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content);
       
  1746 										$sensor_data_array['mode']      = $uuid_bytes_read['mode'];
       
  1747 										$sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp'];
       
  1748 										$sensor_data_array['yaw']       = $uuid_bytes_read['yaw'];
       
  1749 										$sensor_data_array['pitch']     = $uuid_bytes_read['pitch'];
       
  1750 										$sensor_data_array['roll']      = $uuid_bytes_read['roll'];
       
  1751 										array_push($atom_structure['sensor_data']['data_type']['accel_data'], $sensor_data_array);
       
  1752 										break;
       
  1753 									case 2:
       
  1754 										$atom_structure['sensor_data']['data_type']['gyro_count']++;
       
  1755 										$uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content);
       
  1756 										$sensor_data_array['mode']      = $uuid_bytes_read['mode'];
       
  1757 										$sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp'];
       
  1758 										$sensor_data_array['yaw']       = $uuid_bytes_read['yaw'];
       
  1759 										$sensor_data_array['pitch']     = $uuid_bytes_read['pitch'];
       
  1760 										$sensor_data_array['roll']      = $uuid_bytes_read['roll'];
       
  1761 										array_push($atom_structure['sensor_data']['data_type']['gyro_data'], $sensor_data_array);
       
  1762 										break;
       
  1763 									case 3:
       
  1764 										$atom_structure['sensor_data']['data_type']['magno_count']++;
       
  1765 										$uuid_bytes_read = unpack('cmode/Jtimestamp/Gmagx/Gmagy/Gmagz/x*', $sensor_data_content);
       
  1766 										$sensor_data_array['mode']      = $uuid_bytes_read['mode'];
       
  1767 										$sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp'];
       
  1768 										$sensor_data_array['magx']      = $uuid_bytes_read['magx'];
       
  1769 										$sensor_data_array['magy']      = $uuid_bytes_read['magy'];
       
  1770 										$sensor_data_array['magz']      = $uuid_bytes_read['magz'];
       
  1771 										array_push($atom_structure['sensor_data']['data_type']['magno_data'], $sensor_data_array);
       
  1772 										break;
       
  1773 									case 5:
       
  1774 										$atom_structure['sensor_data']['data_type']['gps_count']++;
       
  1775 										$uuid_bytes_read = unpack('cmode/Jtimestamp/Glat/Glon/Galt/Gspeed/nbearing/nacc/x*', $sensor_data_content);
       
  1776 										$sensor_data_array['mode']      = $uuid_bytes_read['mode'];
       
  1777 										$sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp'];
       
  1778 										$sensor_data_array['lat']       = $uuid_bytes_read['lat'];
       
  1779 										$sensor_data_array['lon']       = $uuid_bytes_read['lon'];
       
  1780 										$sensor_data_array['alt']       = $uuid_bytes_read['alt'];
       
  1781 										$sensor_data_array['speed']     = $uuid_bytes_read['speed'];
       
  1782 										$sensor_data_array['bearing']   = $uuid_bytes_read['bearing'];
       
  1783 										$sensor_data_array['acc']       = $uuid_bytes_read['acc'];
       
  1784 										array_push($atom_structure['sensor_data']['data_type']['gps_data'], $sensor_data_array);
       
  1785 										//array_push($debug_structure['debug_items'], $uuid_bytes_read['timestamp']);
       
  1786 										break;
       
  1787 									case 6:
       
  1788 										$atom_structure['sensor_data']['data_type']['rotation_count']++;
       
  1789 										$uuid_bytes_read = unpack('cmode/Jtimestamp/Grotx/Groty/Grotz/x*', $sensor_data_content);
       
  1790 										$sensor_data_array['mode']      = $uuid_bytes_read['mode'];
       
  1791 										$sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp'];
       
  1792 										$sensor_data_array['rotx']      = $uuid_bytes_read['rotx'];
       
  1793 										$sensor_data_array['roty']      = $uuid_bytes_read['roty'];
       
  1794 										$sensor_data_array['rotz']      = $uuid_bytes_read['rotz'];
       
  1795 										array_push($atom_structure['sensor_data']['data_type']['rotation_data'], $sensor_data_array);
       
  1796 										break;
       
  1797 									default:
       
  1798 										$atom_structure['sensor_data']['data_type']['unknown_count']++;
       
  1799 										break;
       
  1800 								}
  1419 							}
  1801 							}
       
  1802 							//if (isset($debug_structure['debug_items']) && count($debug_structure['debug_items']) > 0) {
       
  1803 							//	$atom_structure['sensor_data']['data_type']['debug_list'] = implode(',', $debug_structure['debug_items']);
       
  1804 							//} else {
       
  1805 								$atom_structure['sensor_data']['data_type']['debug_list'] = 'No debug items in list!';
       
  1806 							//}
       
  1807 							break;
       
  1808 
       
  1809 						default:
       
  1810 							$this->warning('Unhandled "uuid" atom identified by "'.$atom_structure['uuid_field_id'].'" at offset '.$atom_structure['offset'].' ('.strlen($atom_data).' bytes)');
       
  1811 					}
       
  1812 					break;
       
  1813 
       
  1814 				case 'gps ':
       
  1815 					// https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730
       
  1816 					// The 'gps ' contains simple look up table made up of 8byte rows, that point to the 'free' atoms that contains the actual GPS data.
       
  1817 					// The first row is version/metadata/notsure, I skip that.
       
  1818 					// The following rows consist of 4byte address (absolute) and 4byte size (0x1000), these point to the GPS data in the file.
       
  1819 
       
  1820 					$GPS_rowsize = 8; // 4 bytes for offset, 4 bytes for size
       
  1821 					if (strlen($atom_data) > 0) {
       
  1822 						if ((strlen($atom_data) % $GPS_rowsize) == 0) {
       
  1823 							$atom_structure['gps_toc'] = array();
       
  1824 							foreach (str_split($atom_data, $GPS_rowsize) as $counter => $datapair) {
       
  1825 								$atom_structure['gps_toc'][] = unpack('Noffset/Nsize', substr($atom_data, $counter * $GPS_rowsize, $GPS_rowsize));
       
  1826 							}
       
  1827 
       
  1828 							$atom_structure['gps_entries'] = array();
       
  1829 							$previous_offset = $this->ftell();
       
  1830 							foreach ($atom_structure['gps_toc'] as $key => $gps_pointer) {
       
  1831 								if ($key == 0) {
       
  1832 									// "The first row is version/metadata/notsure, I skip that."
       
  1833 									continue;
       
  1834 								}
       
  1835 								$this->fseek($gps_pointer['offset']);
       
  1836 								$GPS_free_data = $this->fread($gps_pointer['size']);
       
  1837 
       
  1838 								/*
       
  1839 								// 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
       
  1840 
       
  1841 								// https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730
       
  1842 								// The structure of the GPS data atom (the 'free' atoms mentioned above) is following:
       
  1843 								// hour,minute,second,year,month,day,active,latitude_b,longitude_b,unknown2,latitude,longitude,speed = struct.unpack_from('<IIIIIIssssfff',data, 48)
       
  1844 								// For those unfamiliar with python struct:
       
  1845 								// I = int
       
  1846 								// s = is string (size 1, in this case)
       
  1847 								// f = float
       
  1848 
       
  1849 								//$atom_structure['gps_entries'][$key] = unpack('Vhour/Vminute/Vsecond/Vyear/Vmonth/Vday/Vactive/Vlatitude_b/Vlongitude_b/Vunknown2/flatitude/flongitude/fspeed', substr($GPS_free_data, 48));
       
  1850 								*/
       
  1851 
       
  1852 								// $GPRMC,081836,A,3751.65,S,14507.36,E,000.0,360.0,130998,011.3,E*62
       
  1853 								// $GPRMC,183731,A,3907.482,N,12102.436,W,000.0,360.0,080301,015.5,E*67
       
  1854 								// $GPRMC,002454,A,3553.5295,N,13938.6570,E,0.0,43.1,180700,7.1,W,A*3F
       
  1855 								// $GPRMC,094347.000,A,5342.0061,N,00737.9908,W,0.01,156.75,140217,,,A*7D
       
  1856 								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)) {
       
  1857 									$GPS_this_GPRMC = array();
       
  1858 									$GPS_this_GPRMC_raw = array();
       
  1859 									list(
       
  1860 										$GPS_this_GPRMC_raw['gprmc'],
       
  1861 										$GPS_this_GPRMC_raw['timestamp'],
       
  1862 										$GPS_this_GPRMC_raw['status'],
       
  1863 										$GPS_this_GPRMC_raw['latitude'],
       
  1864 										$GPS_this_GPRMC_raw['latitude_direction'],
       
  1865 										$GPS_this_GPRMC_raw['longitude'],
       
  1866 										$GPS_this_GPRMC_raw['longitude_direction'],
       
  1867 										$GPS_this_GPRMC_raw['knots'],
       
  1868 										$GPS_this_GPRMC_raw['angle'],
       
  1869 										$GPS_this_GPRMC_raw['datestamp'],
       
  1870 										$GPS_this_GPRMC_raw['variation'],
       
  1871 										$GPS_this_GPRMC_raw['variation_direction'],
       
  1872 										$dummy,
       
  1873 										$GPS_this_GPRMC_raw['checksum'],
       
  1874 									) = $matches;
       
  1875 									$GPS_this_GPRMC['raw'] = $GPS_this_GPRMC_raw;
       
  1876 
       
  1877 									$hour   = substr($GPS_this_GPRMC['raw']['timestamp'], 0, 2);
       
  1878 									$minute = substr($GPS_this_GPRMC['raw']['timestamp'], 2, 2);
       
  1879 									$second = substr($GPS_this_GPRMC['raw']['timestamp'], 4, 2);
       
  1880 									$ms     = substr($GPS_this_GPRMC['raw']['timestamp'], 6);    // may contain decimal seconds
       
  1881 									$day    = substr($GPS_this_GPRMC['raw']['datestamp'], 0, 2);
       
  1882 									$month  = substr($GPS_this_GPRMC['raw']['datestamp'], 2, 2);
       
  1883 									$year   = (int) substr($GPS_this_GPRMC['raw']['datestamp'], 4, 2);
       
  1884 									$year += (($year > 90) ? 1900 : 2000); // complete lack of foresight: datestamps are stored with 2-digit years, take best guess
       
  1885 									$GPS_this_GPRMC['timestamp'] = $year.'-'.$month.'-'.$day.' '.$hour.':'.$minute.':'.$second.$ms;
       
  1886 
       
  1887 									$GPS_this_GPRMC['active'] = ($GPS_this_GPRMC['raw']['status'] == 'A'); // A=Active,V=Void
       
  1888 
       
  1889 									foreach (array('latitude','longitude') as $latlon) {
       
  1890 										preg_match('#^([0-9]{1,3})([0-9]{2}\\.[0-9]+)$#', $GPS_this_GPRMC['raw'][$latlon], $matches);
       
  1891 										list($dummy, $deg, $min) = $matches;
       
  1892 										$GPS_this_GPRMC[$latlon] = $deg + ($min / 60);
       
  1893 									}
       
  1894 									$GPS_this_GPRMC['latitude']  *= (($GPS_this_GPRMC['raw']['latitude_direction']  == 'S') ? -1 : 1);
       
  1895 									$GPS_this_GPRMC['longitude'] *= (($GPS_this_GPRMC['raw']['longitude_direction'] == 'W') ? -1 : 1);
       
  1896 
       
  1897 									$GPS_this_GPRMC['heading']    = $GPS_this_GPRMC['raw']['angle'];
       
  1898 									$GPS_this_GPRMC['speed_knot'] = $GPS_this_GPRMC['raw']['knots'];
       
  1899 									$GPS_this_GPRMC['speed_kmh']  = $GPS_this_GPRMC['raw']['knots'] * 1.852;
       
  1900 									if ($GPS_this_GPRMC['raw']['variation']) {
       
  1901 										$GPS_this_GPRMC['variation']  = $GPS_this_GPRMC['raw']['variation'];
       
  1902 										$GPS_this_GPRMC['variation'] *= (($GPS_this_GPRMC['raw']['variation_direction'] == 'W') ? -1 : 1);
       
  1903 									}
       
  1904 
       
  1905 									$atom_structure['gps_entries'][$key] = $GPS_this_GPRMC;
       
  1906 
       
  1907 									@$info['quicktime']['gps_track'][$GPS_this_GPRMC['timestamp']] = array(
       
  1908 										'latitude'  => (float) $GPS_this_GPRMC['latitude'],
       
  1909 										'longitude' => (float) $GPS_this_GPRMC['longitude'],
       
  1910 										'speed_kmh' => (float) $GPS_this_GPRMC['speed_kmh'],
       
  1911 										'heading'   => (float) $GPS_this_GPRMC['heading'],
       
  1912 									);
       
  1913 
       
  1914 								} else {
       
  1915 									$this->warning('Unhandled GPS format in "free" atom at offset '.$gps_pointer['offset']);
       
  1916 								}
       
  1917 							}
       
  1918 							$this->fseek($previous_offset);
       
  1919 
       
  1920 						} else {
       
  1921 							$this->warning('QuickTime atom "'.$atomname.'" is not mod-8 bytes long ('.$atomsize.' bytes) at offset '.$baseoffset);
  1420 						}
  1922 						}
  1421 					}
  1923 					} else {
  1422 					unset($getid3_mp3, $getid3_temp);
  1924 						$this->warning('QuickTime atom "'.$atomname.'" is zero bytes long at offset '.$baseoffset);
  1423 					$info['avdataend'] = $OldAVDataEnd;
  1925 					}
  1424 					unset($OldAVDataEnd);
  1926 					break;
  1425 
  1927 
  1426 				}
  1928 				case 'loci':// 3GP location (El Loco)
  1427 
  1929 					$loffset = 0;
  1428 				unset($mdat_offset, $chapter_string_length, $chapter_matches);
  1930 					$info['quicktime']['comments']['gps_flags']     = array(  getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)));
  1429 				break;
  1931 					$info['quicktime']['comments']['gps_lang']      = array(  getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)));
  1430 
  1932 					$info['quicktime']['comments']['gps_location']  = array(          $this->LociString(substr($atom_data, 6), $loffset));
  1431 			case 'free': // FREE space atom
  1933 					$loci_data = substr($atom_data, 6 + $loffset);
  1432 			case 'skip': // SKIP atom
  1934 					$info['quicktime']['comments']['gps_role']      = array(  getid3_lib::BigEndian2Int(substr($loci_data, 0, 1)));
  1433 			case 'wide': // 64-bit expansion placeholder atom
  1935 					$info['quicktime']['comments']['gps_longitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 1, 4)));
  1434 				// 'free', 'skip' and 'wide' are just padding, contains no useful data at all
  1936 					$info['quicktime']['comments']['gps_latitude']  = array(getid3_lib::FixedPoint16_16(substr($loci_data, 5, 4)));
  1435 
  1937 					$info['quicktime']['comments']['gps_altitude']  = array(getid3_lib::FixedPoint16_16(substr($loci_data, 9, 4)));
  1436 				// When writing QuickTime files, it is sometimes necessary to update an atom's size.
  1938 					$info['quicktime']['comments']['gps_body']      = array(          $this->LociString(substr($loci_data, 13           ), $loffset));
  1437 				// It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom
  1939 					$info['quicktime']['comments']['gps_notes']     = array(          $this->LociString(substr($loci_data, 13 + $loffset), $loffset));
  1438 				// is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime
  1940 					break;
  1439 				// puts an 8-byte placeholder atom before any atoms it may have to update the size of.
  1941 
  1440 				// In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the
  1942 				case 'chpl': // CHaPter List
  1441 				// placeholder atom can be overwritten to obtain the necessary 8 extra bytes.
  1943 					// https://www.adobe.com/content/dam/Adobe/en/devnet/flv/pdfs/video_file_format_spec_v10.pdf
  1442 				// The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ).
  1944 					$chpl_version = getid3_lib::BigEndian2Int(substr($atom_data, 4, 1)); // Expected to be 0
  1443 				break;
  1945 					$chpl_flags   = getid3_lib::BigEndian2Int(substr($atom_data, 5, 3)); // Reserved, set to 0
  1444 
  1946 					$chpl_count   = getid3_lib::BigEndian2Int(substr($atom_data, 8, 1));
  1445 
  1947 					$chpl_offset = 9;
  1446 			case 'nsav': // NoSAVe atom
  1948 					for ($i = 0; $i < $chpl_count; $i++) {
  1447 				// http://developer.apple.com/technotes/tn/tn2038.html
  1949 						if (($chpl_offset + 9) >= strlen($atom_data)) {
  1448 				$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4));
  1950 							$this->warning('QuickTime chapter '.$i.' extends beyond end of "chpl" atom');
  1449 				break;
  1951 							break;
  1450 
  1952 						}
  1451 			case 'ctyp': // Controller TYPe atom (seen on QTVR)
  1953 						$info['quicktime']['chapters'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($atom_data, $chpl_offset, 8)) / 10000000; // timestamps are stored as 100-nanosecond units
  1452 				// http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt
  1954 						$chpl_offset += 8;
  1453 				// some controller names are:
  1955 						$chpl_title_size = getid3_lib::BigEndian2Int(substr($atom_data, $chpl_offset, 1));
  1454 				//   0x00 + 'std' for linear movie
  1956 						$chpl_offset += 1;
  1455 				//   'none' for no controls
  1957 						$info['quicktime']['chapters'][$i]['title']     =                           substr($atom_data, $chpl_offset, $chpl_title_size);
  1456 				$atom_structure['ctyp'] = substr($atom_data, 0, 4);
  1958 						$chpl_offset += $chpl_title_size;
  1457 				$info['quicktime']['controller'] = $atom_structure['ctyp'];
  1959 					}
  1458 				switch ($atom_structure['ctyp']) {
  1960 					break;
  1459 					case 'qtvr':
  1961 
  1460 						$info['video']['dataformat'] = 'quicktimevr';
  1962 				case 'FIRM': // FIRMware version(?), seen on GoPro Hero4
  1461 						break;
  1963 					$info['quicktime']['camera']['firmware'] = $atom_data;
  1462 				}
  1964 					break;
  1463 				break;
  1965 
  1464 
  1966 				case 'CAME': // FIRMware version(?), seen on GoPro Hero4
  1465 			case 'pano': // PANOrama track (seen on QTVR)
  1967 					$info['quicktime']['camera']['serial_hash'] = unpack('H*', $atom_data);
  1466 				$atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data,  0, 4));
  1968 					break;
  1467 				break;
  1969 
  1468 
  1970 				case 'dscp':
  1469 			case 'hint': // HINT track
  1971 				case 'rcif':
  1470 			case 'hinf': //
  1972 					// https://www.getid3.org/phpBB3/viewtopic.php?t=1908
  1471 			case 'hinv': //
  1973 					if (substr($atom_data, 0, 7) == "\x00\x00\x00\x00\x55\xC4".'{') {
  1472 			case 'hnti': //
  1974 						if ($json_decoded = @json_decode(rtrim(substr($atom_data, 6), "\x00"), true)) {
  1473 				$info['quicktime']['hinting'] = true;
  1975 							$info['quicktime']['camera'][$atomname] = $json_decoded;
  1474 				break;
  1976 							if (($atomname == 'rcif') && isset($info['quicktime']['camera']['rcif']['wxcamera']['rotate'])) {
  1475 
  1977 								$info['video']['rotate'] = $info['quicktime']['video']['rotate'] = $info['quicktime']['camera']['rcif']['wxcamera']['rotate'];
  1476 			case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR)
  1978 							}
  1477 				for ($i = 0; $i < ($atom_structure['size'] - 8); $i += 4) {
  1979 						} else {
  1478 					$atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4));
  1980 							$this->warning('Failed to JSON decode atom "'.$atomname.'"');
  1479 				}
  1981 							$atom_structure['data'] = $atom_data;
  1480 				break;
  1982 						}
  1481 
  1983 						unset($json_decoded);
  1482 
  1984 					} else {
  1483 			// Observed-but-not-handled atom types are just listed here to prevent warnings being generated
  1985 						$this->warning('Expecting 55 C4 7B at start of atom "'.$atomname.'", found '.getid3_lib::PrintHexBytes(substr($atom_data, 4, 3)).' instead');
  1484 			case 'FXTC': // Something to do with Adobe After Effects (?)
  1986 						$atom_structure['data'] = $atom_data;
  1485 			case 'PrmA':
  1987 					}
  1486 			case 'code':
  1988 					break;
  1487 			case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html
  1989 
  1488 			case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html
  1990 				case 'frea':
  1489 						// tapt seems to be used to compute the video size [http://www.getid3.org/phpBB3/viewtopic.php?t=838]
  1991 					// https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea
  1490 						// * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html
  1992 					// may contain "scra" (PreviewImage) and/or "thma" (ThumbnailImage)
  1491 						// * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html
  1993 					$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms);
  1492 			case 'ctts'://  STCompositionOffsetAID             - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
  1994 					break;
  1493 			case 'cslg'://  STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
  1995 				case 'tima': // subatom to "frea"
  1494 			case 'sdtp'://  STSampleDependencyAID              - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
  1996 					// no idea what this does, the one sample file I've seen has a value of 0x00000027
  1495 			case 'stps'://  STPartialSyncSampleAID             - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
       
  1496 				//$atom_structure['data'] = $atom_data;
       
  1497 				break;
       
  1498 
       
  1499 			case "\xA9".'xyz':  // GPS latitude+longitude+altitude
       
  1500 				$atom_structure['data'] = $atom_data;
       
  1501 				if (preg_match('#([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)?/$#i', $atom_data, $matches)) {
       
  1502 					@list($all, $latitude, $longitude, $altitude) = $matches;
       
  1503 					$info['quicktime']['comments']['gps_latitude'][]  = floatval($latitude);
       
  1504 					$info['quicktime']['comments']['gps_longitude'][] = floatval($longitude);
       
  1505 					if (!empty($altitude)) {
       
  1506 						$info['quicktime']['comments']['gps_altitude'][] = floatval($altitude);
       
  1507 					}
       
  1508 				} else {
       
  1509 					$this->warning('QuickTime atom "©xyz" data does not match expected data pattern at offset '.$baseoffset.'. Please report as getID3() bug.');
       
  1510 				}
       
  1511 				break;
       
  1512 
       
  1513 			case 'NCDT':
       
  1514 				// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
       
  1515 				// Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100
       
  1516 				$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms);
       
  1517 				break;
       
  1518 			case 'NCTH': // Nikon Camera THumbnail image
       
  1519 			case 'NCVW': // Nikon Camera preVieW image
       
  1520 				// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
       
  1521 				if (preg_match('/^\xFF\xD8\xFF/', $atom_data)) {
       
  1522 					$atom_structure['data'] = $atom_data;
  1997 					$atom_structure['data'] = $atom_data;
  1523 					$atom_structure['image_mime'] = 'image/jpeg';
  1998 					break;
  1524 					$atom_structure['description'] = (($atomname == 'NCTH') ? 'Nikon Camera Thumbnail Image' : (($atomname == 'NCVW') ? 'Nikon Camera Preview Image' : 'Nikon preview image'));
  1999 				case 'ver ': // subatom to "frea"
  1525 					$info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_data, 'description'=>$atom_structure['description']);
  2000 					// some kind of version number, the one sample file I've seen has a value of "3.00.073"
  1526 				}
  2001 					$atom_structure['data'] = $atom_data;
  1527 				break;
  2002 					break;
  1528 			case 'NCTG': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG
  2003 				case 'thma': // subatom to "frea" -- "ThumbnailImage"
  1529 				$atom_structure['data'] = $this->QuicktimeParseNikonNCTG($atom_data);
  2004 					// https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea
  1530 				break;
  2005 					if (strlen($atom_data) > 0) {
  1531 			case 'NCHD': // Nikon:MakerNoteVersion  - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
  2006 						$info['quicktime']['comments']['picture'][] = array('data'=>$atom_data, 'image_mime'=>'image/jpeg', 'description'=>'ThumbnailImage');
  1532 			case 'NCDB': // Nikon                   - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
  2007 					}
  1533 			case 'CNCV': // Canon:CompressorVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Canon.html
  2008 					break;
  1534 				$atom_structure['data'] = $atom_data;
  2009 				case 'scra': // subatom to "frea" -- "PreviewImage"
  1535 				break;
  2010 					// https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea
  1536 
  2011 					// but the only sample file I've seen has no useful data here
  1537 			case "\x00\x00\x00\x00":
  2012 					if (strlen($atom_data) > 0) {
  1538 				// some kind of metacontainer, may contain a big data dump such as:
  2013 						$info['quicktime']['comments']['picture'][] = array('data'=>$atom_data, 'image_mime'=>'image/jpeg', 'description'=>'PreviewImage');
  1539 				// 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
  2014 					}
  1540 				// http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt
  2015 					break;
  1541 
  2016 
  1542 				$atom_structure['version']   =          getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
  2017 				case 'cdsc': // timed metadata reference
  1543 				$atom_structure['flags_raw'] =          getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
  2018 					// A QuickTime movie can contain none, one, or several timed metadata tracks. Timed metadata tracks can refer to multiple tracks.
  1544 				$atom_structure['subatoms']  = $this->QuicktimeParseContainerAtom(substr($atom_data, 4), $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
  2019 					// Metadata tracks are linked to the tracks they describe using a track-reference of type 'cdsc'. The metadata track holds the 'cdsc' track reference.
  1545 				//$atom_structure['subatoms']  = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
  2020 					$atom_structure['track_number'] = getid3_lib::BigEndian2Int($atom_data);
  1546 				break;
  2021 					break;
  1547 
  2022 
  1548 			case 'meta': // METAdata atom
  2023 				default:
  1549 				// https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html
  2024 					$this->warning('Unknown QuickTime atom type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" ('.trim(getid3_lib::PrintHexBytes($atomname)).'), '.$atomsize.' bytes at offset '.$baseoffset);
  1550 
  2025 					$atom_structure['data'] = $atom_data;
  1551 				$atom_structure['version']   =          getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
  2026 					break;
  1552 				$atom_structure['flags_raw'] =          getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
  2027 			}
  1553 				$atom_structure['subatoms']  = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
       
  1554 				break;
       
  1555 
       
  1556 			case 'data': // metaDATA atom
       
  1557 				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
       
  1558 				// seems to be 2 bytes language code (ASCII), 2 bytes unknown (set to 0x10B5 in sample I have), remainder is useful data
       
  1559 				$atom_structure['language'] =                           substr($atom_data, 4 + 0, 2);
       
  1560 				$atom_structure['unknown']  = getid3_lib::BigEndian2Int(substr($atom_data, 4 + 2, 2));
       
  1561 				$atom_structure['data']     =                           substr($atom_data, 4 + 4);
       
  1562 				$atom_structure['key_name'] = @$info['quicktime']['temp_meta_key_names'][$metaDATAkey++];
       
  1563 
       
  1564 				if ($atom_structure['key_name'] && $atom_structure['data']) {
       
  1565 					@$info['quicktime']['comments'][str_replace('com.apple.quicktime.', '', $atom_structure['key_name'])][] = $atom_structure['data'];
       
  1566 				}
       
  1567 				break;
       
  1568 
       
  1569 			case 'keys': // KEYS that may be present in the metadata atom.
       
  1570 				// https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html#//apple_ref/doc/uid/TP40000939-CH1-SW21
       
  1571 				// The metadata item keys atom holds a list of the metadata keys that may be present in the metadata atom.
       
  1572 				// 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".
       
  1573 				$atom_structure['version']       = getid3_lib::BigEndian2Int(substr($atom_data,  0, 1));
       
  1574 				$atom_structure['flags_raw']     = getid3_lib::BigEndian2Int(substr($atom_data,  1, 3));
       
  1575 				$atom_structure['entry_count']   = getid3_lib::BigEndian2Int(substr($atom_data,  4, 4));
       
  1576 				$keys_atom_offset = 8;
       
  1577 				for ($i = 1; $i <= $atom_structure['entry_count']; $i++) {
       
  1578 					$atom_structure['keys'][$i]['key_size']      = getid3_lib::BigEndian2Int(substr($atom_data, $keys_atom_offset + 0, 4));
       
  1579 					$atom_structure['keys'][$i]['key_namespace'] =                           substr($atom_data, $keys_atom_offset + 4, 4);
       
  1580 					$atom_structure['keys'][$i]['key_value']     =                           substr($atom_data, $keys_atom_offset + 8, $atom_structure['keys'][$i]['key_size'] - 8);
       
  1581 					$keys_atom_offset += $atom_structure['keys'][$i]['key_size']; // key_size includes the 4+4 bytes for key_size and key_namespace
       
  1582 
       
  1583 					$info['quicktime']['temp_meta_key_names'][$i] = $atom_structure['keys'][$i]['key_value'];
       
  1584 				}
       
  1585 				break;
       
  1586 
       
  1587 			case 'gps ':
       
  1588 				// https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730
       
  1589 				// The 'gps ' contains simple look up table made up of 8byte rows, that point to the 'free' atoms that contains the actual GPS data.
       
  1590 				// The first row is version/metadata/notsure, I skip that.
       
  1591 				// The following rows consist of 4byte address (absolute) and 4byte size (0x1000), these point to the GPS data in the file.
       
  1592 
       
  1593 				$GPS_rowsize = 8; // 4 bytes for offset, 4 bytes for size
       
  1594 				if (strlen($atom_data) > 0) {
       
  1595 					if ((strlen($atom_data) % $GPS_rowsize) == 0) {
       
  1596 						$atom_structure['gps_toc'] = array();
       
  1597 						foreach (str_split($atom_data, $GPS_rowsize) as $counter => $datapair) {
       
  1598 							$atom_structure['gps_toc'][] = unpack('Noffset/Nsize', substr($atom_data, $counter * $GPS_rowsize, $GPS_rowsize));
       
  1599 						}
       
  1600 
       
  1601 						$atom_structure['gps_entries'] = array();
       
  1602 						$previous_offset = $this->ftell();
       
  1603 						foreach ($atom_structure['gps_toc'] as $key => $gps_pointer) {
       
  1604 							if ($key == 0) {
       
  1605 								// "The first row is version/metadata/notsure, I skip that."
       
  1606 								continue;
       
  1607 							}
       
  1608 							$this->fseek($gps_pointer['offset']);
       
  1609 							$GPS_free_data = $this->fread($gps_pointer['size']);
       
  1610 
       
  1611 							/*
       
  1612 							// 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
       
  1613 
       
  1614 							// https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730
       
  1615 							// The structure of the GPS data atom (the 'free' atoms mentioned above) is following:
       
  1616 							// hour,minute,second,year,month,day,active,latitude_b,longitude_b,unknown2,latitude,longitude,speed = struct.unpack_from('<IIIIIIssssfff',data, 48)
       
  1617 							// For those unfamiliar with python struct:
       
  1618 							// I = int
       
  1619 							// s = is string (size 1, in this case)
       
  1620 							// f = float
       
  1621 
       
  1622 							//$atom_structure['gps_entries'][$key] = unpack('Vhour/Vminute/Vsecond/Vyear/Vmonth/Vday/Vactive/Vlatitude_b/Vlongitude_b/Vunknown2/flatitude/flongitude/fspeed', substr($GPS_free_data, 48));
       
  1623 							*/
       
  1624 
       
  1625 							// $GPRMC,081836,A,3751.65,S,14507.36,E,000.0,360.0,130998,011.3,E*62
       
  1626 							// $GPRMC,183731,A,3907.482,N,12102.436,W,000.0,360.0,080301,015.5,E*67
       
  1627 							// $GPRMC,002454,A,3553.5295,N,13938.6570,E,0.0,43.1,180700,7.1,W,A*3F
       
  1628 							// $GPRMC,094347.000,A,5342.0061,N,00737.9908,W,0.01,156.75,140217,,,A*7D
       
  1629 							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)) {
       
  1630 								$GPS_this_GPRMC = array();
       
  1631 								list(
       
  1632 									$GPS_this_GPRMC['raw']['gprmc'],
       
  1633 									$GPS_this_GPRMC['raw']['timestamp'],
       
  1634 									$GPS_this_GPRMC['raw']['status'],
       
  1635 									$GPS_this_GPRMC['raw']['latitude'],
       
  1636 									$GPS_this_GPRMC['raw']['latitude_direction'],
       
  1637 									$GPS_this_GPRMC['raw']['longitude'],
       
  1638 									$GPS_this_GPRMC['raw']['longitude_direction'],
       
  1639 									$GPS_this_GPRMC['raw']['knots'],
       
  1640 									$GPS_this_GPRMC['raw']['angle'],
       
  1641 									$GPS_this_GPRMC['raw']['datestamp'],
       
  1642 									$GPS_this_GPRMC['raw']['variation'],
       
  1643 									$GPS_this_GPRMC['raw']['variation_direction'],
       
  1644 									$dummy,
       
  1645 									$GPS_this_GPRMC['raw']['checksum'],
       
  1646 								) = $matches;
       
  1647 
       
  1648 								$hour   = substr($GPS_this_GPRMC['raw']['timestamp'], 0, 2);
       
  1649 								$minute = substr($GPS_this_GPRMC['raw']['timestamp'], 2, 2);
       
  1650 								$second = substr($GPS_this_GPRMC['raw']['timestamp'], 4, 2);
       
  1651 								$ms     = substr($GPS_this_GPRMC['raw']['timestamp'], 6);    // may contain decimal seconds
       
  1652 								$day   = substr($GPS_this_GPRMC['raw']['datestamp'], 0, 2);
       
  1653 								$month = substr($GPS_this_GPRMC['raw']['datestamp'], 2, 2);
       
  1654 								$year  = substr($GPS_this_GPRMC['raw']['datestamp'], 4, 2);
       
  1655 								$year += (($year > 90) ? 1900 : 2000); // complete lack of foresight: datestamps are stored with 2-digit years, take best guess
       
  1656 								$GPS_this_GPRMC['timestamp'] = $year.'-'.$month.'-'.$day.' '.$hour.':'.$minute.':'.$second.$ms;
       
  1657 
       
  1658 								$GPS_this_GPRMC['active'] = ($GPS_this_GPRMC['raw']['status'] == 'A'); // A=Active,V=Void
       
  1659 
       
  1660 								foreach (array('latitude','longitude') as $latlon) {
       
  1661 									preg_match('#^([0-9]{1,3})([0-9]{2}\\.[0-9]+)$#', $GPS_this_GPRMC['raw'][$latlon], $matches);
       
  1662 									list($dummy, $deg, $min) = $matches;
       
  1663 									$GPS_this_GPRMC[$latlon] = $deg + ($min / 60);
       
  1664 								}
       
  1665 								$GPS_this_GPRMC['latitude']  *= (($GPS_this_GPRMC['raw']['latitude_direction']  == 'S') ? -1 : 1);
       
  1666 								$GPS_this_GPRMC['longitude'] *= (($GPS_this_GPRMC['raw']['longitude_direction'] == 'W') ? -1 : 1);
       
  1667 
       
  1668 								$GPS_this_GPRMC['heading']    = $GPS_this_GPRMC['raw']['angle'];
       
  1669 								$GPS_this_GPRMC['speed_knot'] = $GPS_this_GPRMC['raw']['knots'];
       
  1670 								$GPS_this_GPRMC['speed_kmh']  = $GPS_this_GPRMC['raw']['knots'] * 1.852;
       
  1671 								if ($GPS_this_GPRMC['raw']['variation']) {
       
  1672 									$GPS_this_GPRMC['variation']  = $GPS_this_GPRMC['raw']['variation'];
       
  1673 									$GPS_this_GPRMC['variation'] *= (($GPS_this_GPRMC['raw']['variation_direction'] == 'W') ? -1 : 1);
       
  1674 								}
       
  1675 
       
  1676 								$atom_structure['gps_entries'][$key] = $GPS_this_GPRMC;
       
  1677 
       
  1678 								@$info['quicktime']['gps_track'][$GPS_this_GPRMC['timestamp']] = array(
       
  1679 									'latitude'  => $GPS_this_GPRMC['latitude'],
       
  1680 									'longitude' => $GPS_this_GPRMC['longitude'],
       
  1681 									'speed_kmh' => $GPS_this_GPRMC['speed_kmh'],
       
  1682 									'heading'   => $GPS_this_GPRMC['heading'],
       
  1683 								);
       
  1684 
       
  1685 							} else {
       
  1686 								$this->warning('Unhandled GPS format in "free" atom at offset '.$gps_pointer['offset']);
       
  1687 							}
       
  1688 						}
       
  1689 						$this->fseek($previous_offset);
       
  1690 
       
  1691 					} else {
       
  1692 						$this->warning('QuickTime atom "'.$atomname.'" is not mod-8 bytes long ('.$atomsize.' bytes) at offset '.$baseoffset);
       
  1693 					}
       
  1694 				} else {
       
  1695 					$this->warning('QuickTime atom "'.$atomname.'" is zero bytes long at offset '.$baseoffset);
       
  1696 				}
       
  1697 				break;
       
  1698 
       
  1699 			case 'loci':// 3GP location (El Loco)
       
  1700                                 $info['quicktime']['comments']['gps_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
       
  1701                                 $info['quicktime']['comments']['gps_lang'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2));
       
  1702                                 $loffset = 0;
       
  1703                                 $info['quicktime']['comments']['gps_location'] = $this->LociString(substr($atom_data, 6), $loffset);
       
  1704                                 $loci_data=substr($atom_data, 6 + $loffset);
       
  1705                                 $info['quicktime']['comments']['gps_role'] = getid3_lib::BigEndian2Int(substr($loci_data, 0, 1));
       
  1706                                 $info['quicktime']['comments']['gps_longitude'] = getid3_lib::FixedPoint16_16(substr($loci_data, 1, 4));
       
  1707                                 $info['quicktime']['comments']['gps_latitude'] = getid3_lib::FixedPoint16_16(substr($loci_data, 5, 4));
       
  1708                                 $info['quicktime']['comments']['gps_altitude'] = getid3_lib::FixedPoint16_16(substr($loci_data, 9, 4));
       
  1709                                 $info['quicktime']['comments']['gps_body'] = $this->LociString(substr($loci_data, 13), $loffset);
       
  1710                                 $info['quicktime']['comments']['gps_notes'] = $this->LociString(substr($loci_data, 13 + $loffset), $loffset);
       
  1711                                 break;
       
  1712 
       
  1713 			default:
       
  1714 				$this->warning('Unknown QuickTime atom type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" ('.trim(getid3_lib::PrintHexBytes($atomname)).') at offset '.$baseoffset);
       
  1715 				$atom_structure['data'] = $atom_data;
       
  1716 				break;
       
  1717 		}
  2028 		}
  1718 		array_pop($atomHierarchy);
  2029 		array_pop($atomHierarchy);
  1719 		return $atom_structure;
  2030 		return $atom_structure;
  1720 	}
  2031 	}
  1721 
  2032 
       
  2033 	/**
       
  2034 	 * @param string $atom_data
       
  2035 	 * @param int    $baseoffset
       
  2036 	 * @param array  $atomHierarchy
       
  2037 	 * @param bool   $ParseAllPossibleAtoms
       
  2038 	 *
       
  2039 	 * @return array|false
       
  2040 	 */
  1722 	public function QuicktimeParseContainerAtom($atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
  2041 	public function QuicktimeParseContainerAtom($atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
  1723 //echo 'QuicktimeParseContainerAtom('.substr($atom_data, 4, 4).') @ '.$baseoffset.'<br><br>';
       
  1724 		$atom_structure  = false;
  2042 		$atom_structure  = false;
  1725 		$subatomoffset  = 0;
  2043 		$subatomoffset  = 0;
  1726 		$subatomcounter = 0;
  2044 		$subatomcounter = 0;
  1727 		if ((strlen($atom_data) == 4) && (getid3_lib::BigEndian2Int($atom_data) == 0x00000000)) {
  2045 		if ((strlen($atom_data) == 4) && (getid3_lib::BigEndian2Int($atom_data) == 0x00000000)) {
  1728 			return false;
  2046 			return false;
  1739 					$subatomoffset += 4;
  2057 					$subatomoffset += 4;
  1740 					continue;
  2058 					continue;
  1741 				}
  2059 				}
  1742 				return $atom_structure;
  2060 				return $atom_structure;
  1743 			}
  2061 			}
  1744 
  2062 			if (strlen($subatomdata) < ($subatomsize - 8)) {
  1745 			$atom_structure[$subatomcounter] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms);
  2063 			    // we don't have enough data to decode the subatom.
  1746 
  2064 			    // this may be because we are refusing to parse large subatoms, or it may be because this atom had its size set too large
       
  2065 			    // so we passed in the start of a following atom incorrectly?
       
  2066 			    return $atom_structure;
       
  2067 			}
       
  2068 			$atom_structure[$subatomcounter++] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms);
  1747 			$subatomoffset += $subatomsize;
  2069 			$subatomoffset += $subatomsize;
  1748 			$subatomcounter++;
       
  1749 		}
  2070 		}
  1750 		return $atom_structure;
  2071 		return $atom_structure;
  1751 	}
  2072 	}
  1752 
  2073 
  1753 
  2074 	/**
       
  2075 	 * @param string $data
       
  2076 	 * @param int    $offset
       
  2077 	 *
       
  2078 	 * @return int
       
  2079 	 */
  1754 	public function quicktime_read_mp4_descr_length($data, &$offset) {
  2080 	public function quicktime_read_mp4_descr_length($data, &$offset) {
  1755 		// http://libquicktime.sourcearchive.com/documentation/2:1.0.2plus-pdebian-2build1/esds_8c-source.html
  2081 		// http://libquicktime.sourcearchive.com/documentation/2:1.0.2plus-pdebian-2build1/esds_8c-source.html
  1756 		$num_bytes = 0;
  2082 		$num_bytes = 0;
  1757 		$length    = 0;
  2083 		$length    = 0;
  1758 		do {
  2084 		do {
  1760 			$length = ($length << 7) | ($b & 0x7F);
  2086 			$length = ($length << 7) | ($b & 0x7F);
  1761 		} while (($b & 0x80) && ($num_bytes++ < 4));
  2087 		} while (($b & 0x80) && ($num_bytes++ < 4));
  1762 		return $length;
  2088 		return $length;
  1763 	}
  2089 	}
  1764 
  2090 
  1765 
  2091 	/**
       
  2092 	 * @param int $languageid
       
  2093 	 *
       
  2094 	 * @return string
       
  2095 	 */
  1766 	public function QuicktimeLanguageLookup($languageid) {
  2096 	public function QuicktimeLanguageLookup($languageid) {
  1767 		// http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-34353
  2097 		// http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-34353
  1768 		static $QuicktimeLanguageLookup = array();
  2098 		static $QuicktimeLanguageLookup = array();
  1769 		if (empty($QuicktimeLanguageLookup)) {
  2099 		if (empty($QuicktimeLanguageLookup)) {
  1770 			$QuicktimeLanguageLookup[0]     = 'English';
  2100 			$QuicktimeLanguageLookup[0]     = 'English';
  1898 			$QuicktimeLanguageLookup[$languageid] = getid3_id3v2::LanguageLookup($iso_language_id);
  2228 			$QuicktimeLanguageLookup[$languageid] = getid3_id3v2::LanguageLookup($iso_language_id);
  1899 		}
  2229 		}
  1900 		return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid');
  2230 		return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid');
  1901 	}
  2231 	}
  1902 
  2232 
       
  2233 	/**
       
  2234 	 * @param string $codecid
       
  2235 	 *
       
  2236 	 * @return string
       
  2237 	 */
  1903 	public function QuicktimeVideoCodecLookup($codecid) {
  2238 	public function QuicktimeVideoCodecLookup($codecid) {
  1904 		static $QuicktimeVideoCodecLookup = array();
  2239 		static $QuicktimeVideoCodecLookup = array();
  1905 		if (empty($QuicktimeVideoCodecLookup)) {
  2240 		if (empty($QuicktimeVideoCodecLookup)) {
  1906 			$QuicktimeVideoCodecLookup['.SGI'] = 'SGI';
  2241 			$QuicktimeVideoCodecLookup['.SGI'] = 'SGI';
  1907 			$QuicktimeVideoCodecLookup['3IV1'] = '3ivx MPEG-4 v1';
  2242 			$QuicktimeVideoCodecLookup['3IV1'] = '3ivx MPEG-4 v1';
  1957 			$QuicktimeVideoCodecLookup['yuvu'] = 'ComponentVideoSigned';
  2292 			$QuicktimeVideoCodecLookup['yuvu'] = 'ComponentVideoSigned';
  1958 		}
  2293 		}
  1959 		return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : '');
  2294 		return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : '');
  1960 	}
  2295 	}
  1961 
  2296 
       
  2297 	/**
       
  2298 	 * @param string $codecid
       
  2299 	 *
       
  2300 	 * @return mixed|string
       
  2301 	 */
  1962 	public function QuicktimeAudioCodecLookup($codecid) {
  2302 	public function QuicktimeAudioCodecLookup($codecid) {
  1963 		static $QuicktimeAudioCodecLookup = array();
  2303 		static $QuicktimeAudioCodecLookup = array();
  1964 		if (empty($QuicktimeAudioCodecLookup)) {
  2304 		if (empty($QuicktimeAudioCodecLookup)) {
  1965 			$QuicktimeAudioCodecLookup['.mp3']          = 'Fraunhofer MPEG Layer-III alias';
  2305 			$QuicktimeAudioCodecLookup['.mp3']          = 'Fraunhofer MPEG Layer-III alias';
  1966 			$QuicktimeAudioCodecLookup['aac ']          = 'ISO/IEC 14496-3 AAC';
  2306 			$QuicktimeAudioCodecLookup['aac ']          = 'ISO/IEC 14496-3 AAC';
  2002 			$QuicktimeAudioCodecLookup['ulaw']          = 'mu-law 2:1';
  2342 			$QuicktimeAudioCodecLookup['ulaw']          = 'mu-law 2:1';
  2003 		}
  2343 		}
  2004 		return (isset($QuicktimeAudioCodecLookup[$codecid]) ? $QuicktimeAudioCodecLookup[$codecid] : '');
  2344 		return (isset($QuicktimeAudioCodecLookup[$codecid]) ? $QuicktimeAudioCodecLookup[$codecid] : '');
  2005 	}
  2345 	}
  2006 
  2346 
       
  2347 	/**
       
  2348 	 * @param string $compressionid
       
  2349 	 *
       
  2350 	 * @return string
       
  2351 	 */
  2007 	public function QuicktimeDCOMLookup($compressionid) {
  2352 	public function QuicktimeDCOMLookup($compressionid) {
  2008 		static $QuicktimeDCOMLookup = array();
  2353 		static $QuicktimeDCOMLookup = array();
  2009 		if (empty($QuicktimeDCOMLookup)) {
  2354 		if (empty($QuicktimeDCOMLookup)) {
  2010 			$QuicktimeDCOMLookup['zlib'] = 'ZLib Deflate';
  2355 			$QuicktimeDCOMLookup['zlib'] = 'ZLib Deflate';
  2011 			$QuicktimeDCOMLookup['adec'] = 'Apple Compression';
  2356 			$QuicktimeDCOMLookup['adec'] = 'Apple Compression';
  2012 		}
  2357 		}
  2013 		return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : '');
  2358 		return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : '');
  2014 	}
  2359 	}
  2015 
  2360 
       
  2361 	/**
       
  2362 	 * @param int $colordepthid
       
  2363 	 *
       
  2364 	 * @return string
       
  2365 	 */
  2016 	public function QuicktimeColorNameLookup($colordepthid) {
  2366 	public function QuicktimeColorNameLookup($colordepthid) {
  2017 		static $QuicktimeColorNameLookup = array();
  2367 		static $QuicktimeColorNameLookup = array();
  2018 		if (empty($QuicktimeColorNameLookup)) {
  2368 		if (empty($QuicktimeColorNameLookup)) {
  2019 			$QuicktimeColorNameLookup[1]  = '2-color (monochrome)';
  2369 			$QuicktimeColorNameLookup[1]  = '2-color (monochrome)';
  2020 			$QuicktimeColorNameLookup[2]  = '4-color';
  2370 			$QuicktimeColorNameLookup[2]  = '4-color';
  2029 			$QuicktimeColorNameLookup[40] = '256-gray';
  2379 			$QuicktimeColorNameLookup[40] = '256-gray';
  2030 		}
  2380 		}
  2031 		return (isset($QuicktimeColorNameLookup[$colordepthid]) ? $QuicktimeColorNameLookup[$colordepthid] : 'invalid');
  2381 		return (isset($QuicktimeColorNameLookup[$colordepthid]) ? $QuicktimeColorNameLookup[$colordepthid] : 'invalid');
  2032 	}
  2382 	}
  2033 
  2383 
       
  2384 	/**
       
  2385 	 * @param int $stik
       
  2386 	 *
       
  2387 	 * @return string
       
  2388 	 */
  2034 	public function QuicktimeSTIKLookup($stik) {
  2389 	public function QuicktimeSTIKLookup($stik) {
  2035 		static $QuicktimeSTIKLookup = array();
  2390 		static $QuicktimeSTIKLookup = array();
  2036 		if (empty($QuicktimeSTIKLookup)) {
  2391 		if (empty($QuicktimeSTIKLookup)) {
  2037 			$QuicktimeSTIKLookup[0]  = 'Movie';
  2392 			$QuicktimeSTIKLookup[0]  = 'Movie';
  2038 			$QuicktimeSTIKLookup[1]  = 'Normal';
  2393 			$QuicktimeSTIKLookup[1]  = 'Normal';
  2046 			$QuicktimeSTIKLookup[21] = 'Podcast';
  2401 			$QuicktimeSTIKLookup[21] = 'Podcast';
  2047 		}
  2402 		}
  2048 		return (isset($QuicktimeSTIKLookup[$stik]) ? $QuicktimeSTIKLookup[$stik] : 'invalid');
  2403 		return (isset($QuicktimeSTIKLookup[$stik]) ? $QuicktimeSTIKLookup[$stik] : 'invalid');
  2049 	}
  2404 	}
  2050 
  2405 
       
  2406 	/**
       
  2407 	 * @param int $audio_profile_id
       
  2408 	 *
       
  2409 	 * @return string
       
  2410 	 */
  2051 	public function QuicktimeIODSaudioProfileName($audio_profile_id) {
  2411 	public function QuicktimeIODSaudioProfileName($audio_profile_id) {
  2052 		static $QuicktimeIODSaudioProfileNameLookup = array();
  2412 		static $QuicktimeIODSaudioProfileNameLookup = array();
  2053 		if (empty($QuicktimeIODSaudioProfileNameLookup)) {
  2413 		if (empty($QuicktimeIODSaudioProfileNameLookup)) {
  2054 			$QuicktimeIODSaudioProfileNameLookup = array(
  2414 			$QuicktimeIODSaudioProfileNameLookup = array(
  2055 				0x00 => 'ISO Reserved (0x00)',
  2415 				0x00 => 'ISO Reserved (0x00)',
  2105 			);
  2465 			);
  2106 		}
  2466 		}
  2107 		return (isset($QuicktimeIODSaudioProfileNameLookup[$audio_profile_id]) ? $QuicktimeIODSaudioProfileNameLookup[$audio_profile_id] : 'ISO Reserved / User Private');
  2467 		return (isset($QuicktimeIODSaudioProfileNameLookup[$audio_profile_id]) ? $QuicktimeIODSaudioProfileNameLookup[$audio_profile_id] : 'ISO Reserved / User Private');
  2108 	}
  2468 	}
  2109 
  2469 
  2110 
  2470 	/**
       
  2471 	 * @param int $video_profile_id
       
  2472 	 *
       
  2473 	 * @return string
       
  2474 	 */
  2111 	public function QuicktimeIODSvideoProfileName($video_profile_id) {
  2475 	public function QuicktimeIODSvideoProfileName($video_profile_id) {
  2112 		static $QuicktimeIODSvideoProfileNameLookup = array();
  2476 		static $QuicktimeIODSvideoProfileNameLookup = array();
  2113 		if (empty($QuicktimeIODSvideoProfileNameLookup)) {
  2477 		if (empty($QuicktimeIODSvideoProfileNameLookup)) {
  2114 			$QuicktimeIODSvideoProfileNameLookup = array(
  2478 			$QuicktimeIODSvideoProfileNameLookup = array(
  2115 				0x00 => 'Reserved (0x00) Profile',
  2479 				0x00 => 'Reserved (0x00) Profile',
  2177 			);
  2541 			);
  2178 		}
  2542 		}
  2179 		return (isset($QuicktimeIODSvideoProfileNameLookup[$video_profile_id]) ? $QuicktimeIODSvideoProfileNameLookup[$video_profile_id] : 'ISO Reserved Profile');
  2543 		return (isset($QuicktimeIODSvideoProfileNameLookup[$video_profile_id]) ? $QuicktimeIODSvideoProfileNameLookup[$video_profile_id] : 'ISO Reserved Profile');
  2180 	}
  2544 	}
  2181 
  2545 
  2182 
  2546 	/**
       
  2547 	 * @param int $rtng
       
  2548 	 *
       
  2549 	 * @return string
       
  2550 	 */
  2183 	public function QuicktimeContentRatingLookup($rtng) {
  2551 	public function QuicktimeContentRatingLookup($rtng) {
  2184 		static $QuicktimeContentRatingLookup = array();
  2552 		static $QuicktimeContentRatingLookup = array();
  2185 		if (empty($QuicktimeContentRatingLookup)) {
  2553 		if (empty($QuicktimeContentRatingLookup)) {
  2186 			$QuicktimeContentRatingLookup[0]  = 'None';
  2554 			$QuicktimeContentRatingLookup[0]  = 'None';
  2187 			$QuicktimeContentRatingLookup[2]  = 'Clean';
  2555 			$QuicktimeContentRatingLookup[2]  = 'Clean';
  2188 			$QuicktimeContentRatingLookup[4]  = 'Explicit';
  2556 			$QuicktimeContentRatingLookup[4]  = 'Explicit';
  2189 		}
  2557 		}
  2190 		return (isset($QuicktimeContentRatingLookup[$rtng]) ? $QuicktimeContentRatingLookup[$rtng] : 'invalid');
  2558 		return (isset($QuicktimeContentRatingLookup[$rtng]) ? $QuicktimeContentRatingLookup[$rtng] : 'invalid');
  2191 	}
  2559 	}
  2192 
  2560 
       
  2561 	/**
       
  2562 	 * @param int $akid
       
  2563 	 *
       
  2564 	 * @return string
       
  2565 	 */
  2193 	public function QuicktimeStoreAccountTypeLookup($akid) {
  2566 	public function QuicktimeStoreAccountTypeLookup($akid) {
  2194 		static $QuicktimeStoreAccountTypeLookup = array();
  2567 		static $QuicktimeStoreAccountTypeLookup = array();
  2195 		if (empty($QuicktimeStoreAccountTypeLookup)) {
  2568 		if (empty($QuicktimeStoreAccountTypeLookup)) {
  2196 			$QuicktimeStoreAccountTypeLookup[0] = 'iTunes';
  2569 			$QuicktimeStoreAccountTypeLookup[0] = 'iTunes';
  2197 			$QuicktimeStoreAccountTypeLookup[1] = 'AOL';
  2570 			$QuicktimeStoreAccountTypeLookup[1] = 'AOL';
  2198 		}
  2571 		}
  2199 		return (isset($QuicktimeStoreAccountTypeLookup[$akid]) ? $QuicktimeStoreAccountTypeLookup[$akid] : 'invalid');
  2572 		return (isset($QuicktimeStoreAccountTypeLookup[$akid]) ? $QuicktimeStoreAccountTypeLookup[$akid] : 'invalid');
  2200 	}
  2573 	}
  2201 
  2574 
       
  2575 	/**
       
  2576 	 * @param int $sfid
       
  2577 	 *
       
  2578 	 * @return string
       
  2579 	 */
  2202 	public function QuicktimeStoreFrontCodeLookup($sfid) {
  2580 	public function QuicktimeStoreFrontCodeLookup($sfid) {
  2203 		static $QuicktimeStoreFrontCodeLookup = array();
  2581 		static $QuicktimeStoreFrontCodeLookup = array();
  2204 		if (empty($QuicktimeStoreFrontCodeLookup)) {
  2582 		if (empty($QuicktimeStoreFrontCodeLookup)) {
  2205 			$QuicktimeStoreFrontCodeLookup[143460] = 'Australia';
  2583 			$QuicktimeStoreFrontCodeLookup[143460] = 'Australia';
  2206 			$QuicktimeStoreFrontCodeLookup[143445] = 'Austria';
  2584 			$QuicktimeStoreFrontCodeLookup[143445] = 'Austria';
  2226 			$QuicktimeStoreFrontCodeLookup[143441] = 'United States';
  2604 			$QuicktimeStoreFrontCodeLookup[143441] = 'United States';
  2227 		}
  2605 		}
  2228 		return (isset($QuicktimeStoreFrontCodeLookup[$sfid]) ? $QuicktimeStoreFrontCodeLookup[$sfid] : 'invalid');
  2606 		return (isset($QuicktimeStoreFrontCodeLookup[$sfid]) ? $QuicktimeStoreFrontCodeLookup[$sfid] : 'invalid');
  2229 	}
  2607 	}
  2230 
  2608 
       
  2609 	/**
       
  2610 	 * @param string $atom_data
       
  2611 	 *
       
  2612 	 * @return array
       
  2613 	 */
  2231 	public function QuicktimeParseNikonNCTG($atom_data) {
  2614 	public function QuicktimeParseNikonNCTG($atom_data) {
  2232 		// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG
  2615 		// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG
  2233 		// Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100
  2616 		// Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100
  2234 		// Data is stored as records of:
  2617 		// Data is stored as records of:
  2235 		// * 4 bytes record type
  2618 		// * 4 bytes record type
  2268 			0x02000083 => 'LensType',
  2651 			0x02000083 => 'LensType',
  2269 			0x02000084 => 'Lens',
  2652 			0x02000084 => 'Lens',
  2270 		);
  2653 		);
  2271 
  2654 
  2272 		$offset = 0;
  2655 		$offset = 0;
       
  2656 		$data = null;
  2273 		$datalength = strlen($atom_data);
  2657 		$datalength = strlen($atom_data);
  2274 		$parsed = array();
  2658 		$parsed = array();
  2275 		while ($offset < $datalength) {
  2659 		while ($offset < $datalength) {
  2276 //echo getid3_lib::PrintHexBytes(substr($atom_data, $offset, 4)).'<br>';
       
  2277 			$record_type       = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4));  $offset += 4;
  2660 			$record_type       = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4));  $offset += 4;
  2278 			$data_size_type    = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2));  $offset += 2;
  2661 			$data_size_type    = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2));  $offset += 2;
  2279 			$data_size         = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2));  $offset += 2;
  2662 			$data_size         = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2));  $offset += 2;
  2280 			switch ($data_size_type) {
  2663 			switch ($data_size_type) {
  2281 				case 0x0001: // 0x0001 = flag   (size field *= 1-byte)
  2664 				case 0x0001: // 0x0001 = flag   (size field *= 1-byte)
  2326 				case 0x0008: // 0x0008 = ?????  (size field *= 2-byte), values are stored as ??????
  2709 				case 0x0008: // 0x0008 = ?????  (size field *= 2-byte), values are stored as ??????
  2327 					$data = substr($atom_data, $offset, $data_size * 2);
  2710 					$data = substr($atom_data, $offset, $data_size * 2);
  2328 					$offset += ($data_size * 2);
  2711 					$offset += ($data_size * 2);
  2329 					break;
  2712 					break;
  2330 				default:
  2713 				default:
  2331 echo 'QuicktimeParseNikonNCTG()::unknown $data_size_type: '.$data_size_type.'<br>';
  2714 					echo 'QuicktimeParseNikonNCTG()::unknown $data_size_type: '.$data_size_type.'<br>';
  2332 					break 2;
  2715 					break 2;
  2333 			}
  2716 			}
  2334 
  2717 
  2335 			switch ($record_type) {
  2718 			switch ($record_type) {
  2336 				case 0x00000011: // CreateDate
  2719 				case 0x00000011: // CreateDate
  2404 			$parsed[$tag_name] = $data;
  2787 			$parsed[$tag_name] = $data;
  2405 		}
  2788 		}
  2406 		return $parsed;
  2789 		return $parsed;
  2407 	}
  2790 	}
  2408 
  2791 
  2409 
  2792 	/**
       
  2793 	 * @param string $keyname
       
  2794 	 * @param string|array $data
       
  2795 	 * @param string $boxname
       
  2796 	 *
       
  2797 	 * @return bool
       
  2798 	 */
  2410 	public function CopyToAppropriateCommentsSection($keyname, $data, $boxname='') {
  2799 	public function CopyToAppropriateCommentsSection($keyname, $data, $boxname='') {
  2411 		static $handyatomtranslatorarray = array();
  2800 		static $handyatomtranslatorarray = array();
  2412 		if (empty($handyatomtranslatorarray)) {
  2801 		if (empty($handyatomtranslatorarray)) {
  2413 			// http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt
  2802 			// http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt
  2414 			// http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt
  2803 			// http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt
  2448 			$handyatomtranslatorarray["\xA9".'prf'] = 'performers';
  2837 			$handyatomtranslatorarray["\xA9".'prf'] = 'performers';
  2449 			$handyatomtranslatorarray["\xA9".'req'] = 'system_requirements';
  2838 			$handyatomtranslatorarray["\xA9".'req'] = 'system_requirements';
  2450 			$handyatomtranslatorarray["\xA9".'src'] = 'source_credit';
  2839 			$handyatomtranslatorarray["\xA9".'src'] = 'source_credit';
  2451 			$handyatomtranslatorarray["\xA9".'swr'] = 'software';
  2840 			$handyatomtranslatorarray["\xA9".'swr'] = 'software';
  2452 			$handyatomtranslatorarray["\xA9".'too'] = 'encoding_tool';       // iTunes 4.0
  2841 			$handyatomtranslatorarray["\xA9".'too'] = 'encoding_tool';       // iTunes 4.0
  2453 			$handyatomtranslatorarray["\xA9".'trk'] = 'track';
  2842 			$handyatomtranslatorarray["\xA9".'trk'] = 'track_number';
  2454 			$handyatomtranslatorarray["\xA9".'url'] = 'url';
  2843 			$handyatomtranslatorarray["\xA9".'url'] = 'url';
  2455 			$handyatomtranslatorarray["\xA9".'wrn'] = 'warning';
  2844 			$handyatomtranslatorarray["\xA9".'wrn'] = 'warning';
  2456 			$handyatomtranslatorarray["\xA9".'wrt'] = 'composer';
  2845 			$handyatomtranslatorarray["\xA9".'wrt'] = 'composer';
  2457 			$handyatomtranslatorarray['aART'] = 'album_artist';
  2846 			$handyatomtranslatorarray['aART'] = 'album_artist';
  2458 			$handyatomtranslatorarray['apID'] = 'purchase_account';
  2847 			$handyatomtranslatorarray['apID'] = 'purchase_account';
  2501 			$handyatomtranslatorarray['MusicBrainz Album Artist Id'] = 'MusicBrainz Album Artist Id';
  2890 			$handyatomtranslatorarray['MusicBrainz Album Artist Id'] = 'MusicBrainz Album Artist Id';
  2502 			$handyatomtranslatorarray['MusicBrainz Track Id']        = 'MusicBrainz Track Id';
  2891 			$handyatomtranslatorarray['MusicBrainz Track Id']        = 'MusicBrainz Track Id';
  2503 			$handyatomtranslatorarray['MusicBrainz Disc Id']         = 'MusicBrainz Disc Id';
  2892 			$handyatomtranslatorarray['MusicBrainz Disc Id']         = 'MusicBrainz Disc Id';
  2504 
  2893 
  2505 			// http://age.hobba.nl/audio/tag_frame_reference.html
  2894 			// http://age.hobba.nl/audio/tag_frame_reference.html
  2506 			$handyatomtranslatorarray['PLAY_COUNTER']                = 'play_counter'; // Foobar2000 - http://www.getid3.org/phpBB3/viewtopic.php?t=1355
  2895 			$handyatomtranslatorarray['PLAY_COUNTER']                = 'play_counter'; // Foobar2000 - https://www.getid3.org/phpBB3/viewtopic.php?t=1355
  2507 			$handyatomtranslatorarray['MEDIATYPE']                   = 'mediatype';    // Foobar2000 - http://www.getid3.org/phpBB3/viewtopic.php?t=1355
  2896 			$handyatomtranslatorarray['MEDIATYPE']                   = 'mediatype';    // Foobar2000 - https://www.getid3.org/phpBB3/viewtopic.php?t=1355
  2508 			*/
  2897 			*/
  2509 		}
  2898 		}
  2510 		$info = &$this->getid3->info;
  2899 		$info = &$this->getid3->info;
  2511 		$comment_key = '';
  2900 		$comment_key = '';
  2512 		if ($boxname && ($boxname != $keyname)) {
  2901 		if ($boxname && ($boxname != $keyname)) {
  2514 		} elseif (isset($handyatomtranslatorarray[$keyname])) {
  2903 		} elseif (isset($handyatomtranslatorarray[$keyname])) {
  2515 			$comment_key = $handyatomtranslatorarray[$keyname];
  2904 			$comment_key = $handyatomtranslatorarray[$keyname];
  2516 		}
  2905 		}
  2517 		if ($comment_key) {
  2906 		if ($comment_key) {
  2518 			if ($comment_key == 'picture') {
  2907 			if ($comment_key == 'picture') {
  2519 				if (!is_array($data)) {
  2908 				// already copied directly into [comments][picture] elsewhere, do not re-copy here
  2520 					$image_mime = '';
  2909 				return true;
  2521 					if (preg_match('#^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A#', $data)) {
       
  2522 						$image_mime = 'image/png';
       
  2523 					} elseif (preg_match('#^\xFF\xD8\xFF#', $data)) {
       
  2524 						$image_mime = 'image/jpeg';
       
  2525 					} elseif (preg_match('#^GIF#', $data)) {
       
  2526 						$image_mime = 'image/gif';
       
  2527 					} elseif (preg_match('#^BM#', $data)) {
       
  2528 						$image_mime = 'image/bmp';
       
  2529 					}
       
  2530 					$data = array('data'=>$data, 'image_mime'=>$image_mime);
       
  2531 				}
       
  2532 			}
  2910 			}
  2533 			$gooddata = array($data);
  2911 			$gooddata = array($data);
  2534 			if ($comment_key == 'genre') {
  2912 			if ($comment_key == 'genre') {
  2535 				// some other taggers separate multiple genres with semicolon, e.g. "Heavy Metal;Thrash Metal;Metal"
  2913 				// some other taggers separate multiple genres with semicolon, e.g. "Heavy Metal;Thrash Metal;Metal"
  2536 				$gooddata = explode(';', $data);
  2914 				$gooddata = explode(';', $data);
  2537 			}
  2915 			}
  2538 			foreach ($gooddata as $data) {
  2916 			foreach ($gooddata as $data) {
       
  2917 				if (!empty($info['quicktime']['comments'][$comment_key]) && in_array($data, $info['quicktime']['comments'][$comment_key], true)) {
       
  2918 					// avoid duplicate copies of identical data
       
  2919 					continue;
       
  2920 				}
  2539 				$info['quicktime']['comments'][$comment_key][] = $data;
  2921 				$info['quicktime']['comments'][$comment_key][] = $data;
  2540 			}
  2922 			}
  2541 		}
  2923 		}
  2542 		return true;
  2924 		return true;
  2543 	}
  2925 	}
  2544 
  2926 
  2545     public function LociString($lstring, &$count) {
  2927 	/**
  2546             // Loci strings are UTF-8 or UTF-16 and null (x00/x0000) terminated. UTF-16 has a BOM
  2928 	 * @param string $lstring
  2547             // Also need to return the number of bytes the string occupied so additional fields can be extracted
  2929 	 * @param int    $count
  2548             $len = strlen($lstring);
  2930 	 *
  2549             if ($len == 0) {
  2931 	 * @return string
  2550                 $count = 0;
  2932 	 */
  2551                 return '';
  2933 	public function LociString($lstring, &$count) {
  2552             }
  2934 		// Loci strings are UTF-8 or UTF-16 and null (x00/x0000) terminated. UTF-16 has a BOM
  2553             if ($lstring[0] == "\x00") {
  2935 		// Also need to return the number of bytes the string occupied so additional fields can be extracted
  2554                 $count = 1;
  2936 		$len = strlen($lstring);
  2555                 return '';
  2937 		if ($len == 0) {
  2556             }
  2938 			$count = 0;
  2557             //check for BOM
  2939 			return '';
  2558             if ($len > 2 && (($lstring[0] == "\xFE" && $lstring[1] == "\xFF") || ($lstring[0] == "\xFF" && $lstring[1] == "\xFE"))) {
  2940 		}
  2559                 //UTF-16
  2941 		if ($lstring[0] == "\x00") {
  2560                 if (preg_match('/(.*)\x00/', $lstring, $lmatches)){
  2942 			$count = 1;
  2561                      $count = strlen($lmatches[1]) * 2 + 2; //account for 2 byte characters and trailing \x0000
  2943 			return '';
  2562                     return getid3_lib::iconv_fallback_utf16_utf8($lmatches[1]);
  2944 		}
  2563                 } else {
  2945 		// check for BOM
  2564                     return '';
  2946 		if (($len > 2) && ((($lstring[0] == "\xFE") && ($lstring[1] == "\xFF")) || (($lstring[0] == "\xFF") && ($lstring[1] == "\xFE")))) {
  2565                 }
  2947 			// UTF-16
  2566             } else {
  2948 			if (preg_match('/(.*)\x00/', $lstring, $lmatches)) {
  2567                 //UTF-8
  2949 				$count = strlen($lmatches[1]) * 2 + 2; //account for 2 byte characters and trailing \x0000
  2568                 if (preg_match('/(.*)\x00/', $lstring, $lmatches)){
  2950 				return getid3_lib::iconv_fallback_utf16_utf8($lmatches[1]);
  2569                     $count = strlen($lmatches[1]) + 1; //account for trailing \x00
  2951 			} else {
  2570                     return $lmatches[1];
  2952 				return '';
  2571                 }else {
  2953 			}
  2572                     return '';
  2954 		}
  2573                 }
  2955 		// UTF-8
  2574 
  2956 		if (preg_match('/(.*)\x00/', $lstring, $lmatches)) {
  2575             }
  2957 			$count = strlen($lmatches[1]) + 1; //account for trailing \x00
  2576         }
  2958 			return $lmatches[1];
  2577 
  2959 		}
       
  2960 		return '';
       
  2961 	}
       
  2962 
       
  2963 	/**
       
  2964 	 * @param string $nullterminatedstring
       
  2965 	 *
       
  2966 	 * @return string
       
  2967 	 */
  2578 	public function NoNullString($nullterminatedstring) {
  2968 	public function NoNullString($nullterminatedstring) {
  2579 		// remove the single null terminator on null terminated strings
  2969 		// remove the single null terminator on null terminated strings
  2580 		if (substr($nullterminatedstring, strlen($nullterminatedstring) - 1, 1) === "\x00") {
  2970 		if (substr($nullterminatedstring, strlen($nullterminatedstring) - 1, 1) === "\x00") {
  2581 			return substr($nullterminatedstring, 0, strlen($nullterminatedstring) - 1);
  2971 			return substr($nullterminatedstring, 0, strlen($nullterminatedstring) - 1);
  2582 		}
  2972 		}
  2583 		return $nullterminatedstring;
  2973 		return $nullterminatedstring;
  2584 	}
  2974 	}
  2585 
  2975 
       
  2976 	/**
       
  2977 	 * @param string $pascalstring
       
  2978 	 *
       
  2979 	 * @return string
       
  2980 	 */
  2586 	public function Pascal2String($pascalstring) {
  2981 	public function Pascal2String($pascalstring) {
  2587 		// Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string
  2982 		// Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string
  2588 		return substr($pascalstring, 1);
  2983 		return substr($pascalstring, 1);
  2589 	}
  2984 	}
  2590 
  2985 
  2591 
  2986 	/**
  2592 	/*
  2987 	 * @param string $pascalstring
  2593 	// helper functions for m4b audiobook chapters
  2988 	 *
  2594 	// code by Steffen Hartmann 2015-Nov-08
  2989 	 * @return string
  2595 	*/
  2990 	 */
       
  2991 	public function MaybePascal2String($pascalstring) {
       
  2992 		// Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string
       
  2993 		// Check if string actually is in this format or written incorrectly, straight string, or null-terminated string
       
  2994 		if (ord(substr($pascalstring, 0, 1)) == (strlen($pascalstring) - 1)) {
       
  2995 			return substr($pascalstring, 1);
       
  2996 		} elseif (substr($pascalstring, -1, 1) == "\x00") {
       
  2997 			// appears to be null-terminated instead of Pascal-style
       
  2998 			return substr($pascalstring, 0, -1);
       
  2999 		}
       
  3000 		return $pascalstring;
       
  3001 	}
       
  3002 
       
  3003 
       
  3004 	/**
       
  3005 	 * Helper functions for m4b audiobook chapters
       
  3006 	 * code by Steffen Hartmann 2015-Nov-08.
       
  3007 	 *
       
  3008 	 * @param array  $info
       
  3009 	 * @param string $tag
       
  3010 	 * @param string $history
       
  3011 	 * @param array  $result
       
  3012 	 */
  2596 	public function search_tag_by_key($info, $tag, $history, &$result) {
  3013 	public function search_tag_by_key($info, $tag, $history, &$result) {
  2597 		foreach ($info as $key => $value) {
  3014 		foreach ($info as $key => $value) {
  2598 			$key_history = $history.'/'.$key;
  3015 			$key_history = $history.'/'.$key;
  2599 			if ($key === $tag) {
  3016 			if ($key === $tag) {
  2600 				$result[] = array($key_history, $info);
  3017 				$result[] = array($key_history, $info);
  2604 				}
  3021 				}
  2605 			}
  3022 			}
  2606 		}
  3023 		}
  2607 	}
  3024 	}
  2608 
  3025 
       
  3026 	/**
       
  3027 	 * @param array  $info
       
  3028 	 * @param string $k
       
  3029 	 * @param string $v
       
  3030 	 * @param string $history
       
  3031 	 * @param array  $result
       
  3032 	 */
  2609 	public function search_tag_by_pair($info, $k, $v, $history, &$result) {
  3033 	public function search_tag_by_pair($info, $k, $v, $history, &$result) {
  2610 		foreach ($info as $key => $value) {
  3034 		foreach ($info as $key => $value) {
  2611 			$key_history = $history.'/'.$key;
  3035 			$key_history = $history.'/'.$key;
  2612 			if (($key === $k) && ($value === $v)) {
  3036 			if (($key === $k) && ($value === $v)) {
  2613 				$result[] = array($key_history, $info);
  3037 				$result[] = array($key_history, $info);
  2617 				}
  3041 				}
  2618 			}
  3042 			}
  2619 		}
  3043 		}
  2620 	}
  3044 	}
  2621 
  3045 
       
  3046 	/**
       
  3047 	 * @param array $info
       
  3048 	 *
       
  3049 	 * @return array
       
  3050 	 */
  2622 	public function quicktime_time_to_sample_table($info) {
  3051 	public function quicktime_time_to_sample_table($info) {
  2623 		$res = array();
  3052 		$res = array();
  2624 		$this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res);
  3053 		$this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res);
  2625 		foreach ($res as $value) {
  3054 		foreach ($res as $value) {
  2626 			$stbl_res = array();
  3055 			$stbl_res = array();
  2634 			}
  3063 			}
  2635 		}
  3064 		}
  2636 		return array();
  3065 		return array();
  2637 	}
  3066 	}
  2638 
  3067 
  2639 	function quicktime_bookmark_time_scale($info) {
  3068 	/**
       
  3069 	 * @param array $info
       
  3070 	 *
       
  3071 	 * @return int
       
  3072 	 */
       
  3073 	public function quicktime_bookmark_time_scale($info) {
  2640 		$time_scale = '';
  3074 		$time_scale = '';
  2641 		$ts_prefix_len = 0;
  3075 		$ts_prefix_len = 0;
  2642 		$res = array();
  3076 		$res = array();
  2643 		$this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res);
  3077 		$this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res);
  2644 		foreach ($res as $value) {
  3078 		foreach ($res as $value) {
  2645 			$stbl_res = array();
  3079 			$stbl_res = array();
  2646 			$this->search_tag_by_pair($value[1], 'data_format', 'text', $value[0], $stbl_res);
  3080 			$this->search_tag_by_pair($value[1], 'data_format', 'text', $value[0], $stbl_res);
  2647 			if (count($stbl_res) > 0) {
  3081 			if (count($stbl_res) > 0) {
  2648 				$ts_res = array();
  3082 				$ts_res = array();
  2649 				$this->search_tag_by_key($info['quicktime']['moov'], 'time_scale', 'quicktime/moov', $ts_res);
  3083 				$this->search_tag_by_key($info['quicktime']['moov'], 'time_scale', 'quicktime/moov', $ts_res);
  2650 				foreach ($ts_res as $value) {
  3084 				foreach ($ts_res as $sub_value) {
  2651 					$prefix = substr($value[0], 0, -12);
  3085 					$prefix = substr($sub_value[0], 0, -12);
  2652 					if ((substr($stbl_res[0][0], 0, strlen($prefix)) === $prefix) && ($ts_prefix_len < strlen($prefix))) {
  3086 					if ((substr($stbl_res[0][0], 0, strlen($prefix)) === $prefix) && ($ts_prefix_len < strlen($prefix))) {
  2653 						$time_scale = $value[1]['time_scale'];
  3087 						$time_scale = $sub_value[1]['time_scale'];
  2654 						$ts_prefix_len = strlen($prefix);
  3088 						$ts_prefix_len = strlen($prefix);
  2655 					}
  3089 					}
  2656 				}
  3090 				}
  2657 			}
  3091 			}
  2658 		}
  3092 		}