Replaced mediainfo calls by getid3

1 files changed, 386 insertions, 0 deletions

diff --git a/getid3/module.misc.iso.php b/getid3/module.misc.iso.php
new file mode 100644
index 0000000..94df929
--- /dev/null
+++ b/getid3/module.misc.iso.php
@@ -0,0 +1,386 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.misc.iso.php                                         //
+// module for analyzing ISO files                              //
+// dependencies: NONE                                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+
+class getid3_iso
+{
+
+	function getid3_iso($fd, &$ThisFileInfo) {
+		$ThisFileInfo['fileformat'] = 'iso';
+
+		for ($i = 16; $i <= 19; $i++) {
+			fseek($fd, 2048 * $i, SEEK_SET);
+			$ISOheader = fread($fd, 2048);
+			if (substr($ISOheader, 1, 5) == 'CD001') {
+				switch (ord($ISOheader{0})) {
+					case 1:
+						$ThisFileInfo['iso']['primary_volume_descriptor']['offset'] = 2048 * $i;
+						$this->ParsePrimaryVolumeDescriptor($ISOheader, $ThisFileInfo);
+						break;
+
+					case 2:
+						$ThisFileInfo['iso']['supplementary_volume_descriptor']['offset'] = 2048 * $i;
+						$this->ParseSupplementaryVolumeDescriptor($ISOheader, $ThisFileInfo);
+						break;
+
+					default:
+						// skip
+						break;
+				}
+			}
+		}
+
+		$this->ParsePathTable($fd, $ThisFileInfo);
+
+		$ThisFileInfo['iso']['files'] = array();
+		foreach ($ThisFileInfo['iso']['path_table']['directories'] as $directorynum => $directorydata) {
+
+			$ThisFileInfo['iso']['directories'][$directorynum] = $this->ParseDirectoryRecord($fd, $directorydata, $ThisFileInfo);
+
+		}
+
+		return true;
+
+	}
+
+
+	function ParsePrimaryVolumeDescriptor(&$ISOheader, &$ThisFileInfo) {
+		// ISO integer values are stored *BOTH* Little-Endian AND Big-Endian format!!
+		// ie 12345 == 0x3039  is stored as $39 $30 $30 $39 in a 4-byte field
+
+		// shortcuts
+		$ThisFileInfo['iso']['primary_volume_descriptor']['raw'] = array();
+		$thisfile_iso_primaryVD     = &$ThisFileInfo['iso']['primary_volume_descriptor'];
+		$thisfile_iso_primaryVD_raw = &$thisfile_iso_primaryVD['raw'];
+
+		$thisfile_iso_primaryVD_raw['volume_descriptor_type']         = getid3_lib::LittleEndian2Int(substr($ISOheader,    0, 1));
+		$thisfile_iso_primaryVD_raw['standard_identifier']            =                  substr($ISOheader,    1, 5);
+		if ($thisfile_iso_primaryVD_raw['standard_identifier'] != 'CD001') {
+			$ThisFileInfo['error'][] = 'Expected "CD001" at offset ('.($thisfile_iso_primaryVD['offset'] + 1).'), found "'.$thisfile_iso_primaryVD_raw['standard_identifier'].'" instead';
+			unset($ThisFileInfo['fileformat']);
+			unset($ThisFileInfo['iso']);
+			return false;
+		}
+
+
+		$thisfile_iso_primaryVD_raw['volume_descriptor_version']     = getid3_lib::LittleEndian2Int(substr($ISOheader,    6, 1));
+		//$thisfile_iso_primaryVD_raw['unused_1']                      =                              substr($ISOheader,    7, 1);
+		$thisfile_iso_primaryVD_raw['system_identifier']             =                              substr($ISOheader,    8, 32);
+		$thisfile_iso_primaryVD_raw['volume_identifier']             =                              substr($ISOheader,   40, 32);
+		//$thisfile_iso_primaryVD_raw['unused_2']                      =                              substr($ISOheader,   72, 8);
+		$thisfile_iso_primaryVD_raw['volume_space_size']             = getid3_lib::LittleEndian2Int(substr($ISOheader,   80, 4));
+		//$thisfile_iso_primaryVD_raw['unused_3']                      =                              substr($ISOheader,   88, 32);
+		$thisfile_iso_primaryVD_raw['volume_set_size']               = getid3_lib::LittleEndian2Int(substr($ISOheader,  120, 2));
+		$thisfile_iso_primaryVD_raw['volume_sequence_number']        = getid3_lib::LittleEndian2Int(substr($ISOheader,  124, 2));
+		$thisfile_iso_primaryVD_raw['logical_block_size']            = getid3_lib::LittleEndian2Int(substr($ISOheader,  128, 2));
+		$thisfile_iso_primaryVD_raw['path_table_size']               = getid3_lib::LittleEndian2Int(substr($ISOheader,  132, 4));
+		$thisfile_iso_primaryVD_raw['path_table_l_location']         = getid3_lib::LittleEndian2Int(substr($ISOheader,  140, 2));
+		$thisfile_iso_primaryVD_raw['path_table_l_opt_location']     = getid3_lib::LittleEndian2Int(substr($ISOheader,  144, 2));
+		$thisfile_iso_primaryVD_raw['path_table_m_location']         = getid3_lib::LittleEndian2Int(substr($ISOheader,  148, 2));
+		$thisfile_iso_primaryVD_raw['path_table_m_opt_location']     = getid3_lib::LittleEndian2Int(substr($ISOheader,  152, 2));
+		$thisfile_iso_primaryVD_raw['root_directory_record']         =                              substr($ISOheader,  156, 34);
+		$thisfile_iso_primaryVD_raw['volume_set_identifier']         =                              substr($ISOheader,  190, 128);
+		$thisfile_iso_primaryVD_raw['publisher_identifier']          =                              substr($ISOheader,  318, 128);
+		$thisfile_iso_primaryVD_raw['data_preparer_identifier']      =                              substr($ISOheader,  446, 128);
+		$thisfile_iso_primaryVD_raw['application_identifier']        =                              substr($ISOheader,  574, 128);
+		$thisfile_iso_primaryVD_raw['copyright_file_identifier']     =                              substr($ISOheader,  702, 37);
+		$thisfile_iso_primaryVD_raw['abstract_file_identifier']      =                              substr($ISOheader,  739, 37);
+		$thisfile_iso_primaryVD_raw['bibliographic_file_identifier'] =                              substr($ISOheader,  776, 37);
+		$thisfile_iso_primaryVD_raw['volume_creation_date_time']     =                              substr($ISOheader,  813, 17);
+		$thisfile_iso_primaryVD_raw['volume_modification_date_time'] =                              substr($ISOheader,  830, 17);
+		$thisfile_iso_primaryVD_raw['volume_expiration_date_time']   =                              substr($ISOheader,  847, 17);
+		$thisfile_iso_primaryVD_raw['volume_effective_date_time']    =                              substr($ISOheader,  864, 17);
+		$thisfile_iso_primaryVD_raw['file_structure_version']        = getid3_lib::LittleEndian2Int(substr($ISOheader,  881, 1));
+		//$thisfile_iso_primaryVD_raw['unused_4']                      = getid3_lib::LittleEndian2Int(substr($ISOheader,  882, 1));
+		$thisfile_iso_primaryVD_raw['application_data']              =                              substr($ISOheader,  883, 512);
+		//$thisfile_iso_primaryVD_raw['unused_5']                      =                              substr($ISOheader, 1395, 653);
+
+		$thisfile_iso_primaryVD['system_identifier']             = trim($thisfile_iso_primaryVD_raw['system_identifier']);
+		$thisfile_iso_primaryVD['volume_identifier']             = trim($thisfile_iso_primaryVD_raw['volume_identifier']);
+		$thisfile_iso_primaryVD['volume_set_identifier']         = trim($thisfile_iso_primaryVD_raw['volume_set_identifier']);
+		$thisfile_iso_primaryVD['publisher_identifier']          = trim($thisfile_iso_primaryVD_raw['publisher_identifier']);
+		$thisfile_iso_primaryVD['data_preparer_identifier']      = trim($thisfile_iso_primaryVD_raw['data_preparer_identifier']);
+		$thisfile_iso_primaryVD['application_identifier']        = trim($thisfile_iso_primaryVD_raw['application_identifier']);
+		$thisfile_iso_primaryVD['copyright_file_identifier']     = trim($thisfile_iso_primaryVD_raw['copyright_file_identifier']);
+		$thisfile_iso_primaryVD['abstract_file_identifier']      = trim($thisfile_iso_primaryVD_raw['abstract_file_identifier']);
+		$thisfile_iso_primaryVD['bibliographic_file_identifier'] = trim($thisfile_iso_primaryVD_raw['bibliographic_file_identifier']);
+		$thisfile_iso_primaryVD['volume_creation_date_time']     = $this->ISOtimeText2UNIXtime($thisfile_iso_primaryVD_raw['volume_creation_date_time']);
+		$thisfile_iso_primaryVD['volume_modification_date_time'] = $this->ISOtimeText2UNIXtime($thisfile_iso_primaryVD_raw['volume_modification_date_time']);
+		$thisfile_iso_primaryVD['volume_expiration_date_time']   = $this->ISOtimeText2UNIXtime($thisfile_iso_primaryVD_raw['volume_expiration_date_time']);
+		$thisfile_iso_primaryVD['volume_effective_date_time']    = $this->ISOtimeText2UNIXtime($thisfile_iso_primaryVD_raw['volume_effective_date_time']);
+
+		if (($thisfile_iso_primaryVD_raw['volume_space_size'] * 2048) > $ThisFileInfo['filesize']) {
+			$ThisFileInfo['error'][] = 'Volume Space Size ('.($thisfile_iso_primaryVD_raw['volume_space_size'] * 2048).' bytes) is larger than the file size ('.$ThisFileInfo['filesize'].' bytes) (truncated file?)';
+		}
+
+		return true;
+	}
+
+
+	function ParseSupplementaryVolumeDescriptor(&$ISOheader, &$ThisFileInfo) {
+		// ISO integer values are stored Both-Endian format!!
+		// ie 12345 == 0x3039  is stored as $39 $30 $30 $39 in a 4-byte field
+
+		// shortcuts
+		$ThisFileInfo['iso']['supplementary_volume_descriptor']['raw'] = array();
+		$thisfile_iso_supplementaryVD     = &$ThisFileInfo['iso']['supplementary_volume_descriptor'];
+		$thisfile_iso_supplementaryVD_raw = &$thisfile_iso_supplementaryVD['raw'];
+
+		$thisfile_iso_supplementaryVD_raw['volume_descriptor_type'] = getid3_lib::LittleEndian2Int(substr($ISOheader,    0, 1));
+		$thisfile_iso_supplementaryVD_raw['standard_identifier']    =                  substr($ISOheader,    1, 5);
+		if ($thisfile_iso_supplementaryVD_raw['standard_identifier'] != 'CD001') {
+			$ThisFileInfo['error'][] = 'Expected "CD001" at offset ('.($thisfile_iso_supplementaryVD['offset'] + 1).'), found "'.$thisfile_iso_supplementaryVD_raw['standard_identifier'].'" instead';
+			unset($ThisFileInfo['fileformat']);
+			unset($ThisFileInfo['iso']);
+			return false;
+		}
+
+		$thisfile_iso_supplementaryVD_raw['volume_descriptor_version'] = getid3_lib::LittleEndian2Int(substr($ISOheader,    6, 1));
+		//$thisfile_iso_supplementaryVD_raw['unused_1']                  =                              substr($ISOheader,    7, 1);
+		$thisfile_iso_supplementaryVD_raw['system_identifier']         =                              substr($ISOheader,    8, 32);
+		$thisfile_iso_supplementaryVD_raw['volume_identifier']         =                              substr($ISOheader,   40, 32);
+		//$thisfile_iso_supplementaryVD_raw['unused_2']                  =                              substr($ISOheader,   72, 8);
+		$thisfile_iso_supplementaryVD_raw['volume_space_size']         = getid3_lib::LittleEndian2Int(substr($ISOheader,   80, 4));
+		if ($thisfile_iso_supplementaryVD_raw['volume_space_size'] == 0) {
+			// Supplementary Volume Descriptor not used
+			//unset($thisfile_iso_supplementaryVD);
+			//return false;
+		}
+
+		//$thisfile_iso_supplementaryVD_raw['unused_3']                       =                              substr($ISOheader,   88, 32);
+		$thisfile_iso_supplementaryVD_raw['volume_set_size']                = getid3_lib::LittleEndian2Int(substr($ISOheader,  120, 2));
+		$thisfile_iso_supplementaryVD_raw['volume_sequence_number']         = getid3_lib::LittleEndian2Int(substr($ISOheader,  124, 2));
+		$thisfile_iso_supplementaryVD_raw['logical_block_size']             = getid3_lib::LittleEndian2Int(substr($ISOheader,  128, 2));
+		$thisfile_iso_supplementaryVD_raw['path_table_size']                = getid3_lib::LittleEndian2Int(substr($ISOheader,  132, 4));
+		$thisfile_iso_supplementaryVD_raw['path_table_l_location']          = getid3_lib::LittleEndian2Int(substr($ISOheader,  140, 2));
+		$thisfile_iso_supplementaryVD_raw['path_table_l_opt_location']      = getid3_lib::LittleEndian2Int(substr($ISOheader,  144, 2));
+		$thisfile_iso_supplementaryVD_raw['path_table_m_location']          = getid3_lib::LittleEndian2Int(substr($ISOheader,  148, 2));
+		$thisfile_iso_supplementaryVD_raw['path_table_m_opt_location']      = getid3_lib::LittleEndian2Int(substr($ISOheader,  152, 2));
+		$thisfile_iso_supplementaryVD_raw['root_directory_record']          =                              substr($ISOheader,  156, 34);
+		$thisfile_iso_supplementaryVD_raw['volume_set_identifier']          =                              substr($ISOheader,  190, 128);
+		$thisfile_iso_supplementaryVD_raw['publisher_identifier']           =                              substr($ISOheader,  318, 128);
+		$thisfile_iso_supplementaryVD_raw['data_preparer_identifier']       =                              substr($ISOheader,  446, 128);
+		$thisfile_iso_supplementaryVD_raw['application_identifier']         =                              substr($ISOheader,  574, 128);
+		$thisfile_iso_supplementaryVD_raw['copyright_file_identifier']      =                              substr($ISOheader,  702, 37);
+		$thisfile_iso_supplementaryVD_raw['abstract_file_identifier']       =                              substr($ISOheader,  739, 37);
+		$thisfile_iso_supplementaryVD_raw['bibliographic_file_identifier']  =                              substr($ISOheader,  776, 37);
+		$thisfile_iso_supplementaryVD_raw['volume_creation_date_time']      =                              substr($ISOheader,  813, 17);
+		$thisfile_iso_supplementaryVD_raw['volume_modification_date_time']  =                              substr($ISOheader,  830, 17);
+		$thisfile_iso_supplementaryVD_raw['volume_expiration_date_time']    =                              substr($ISOheader,  847, 17);
+		$thisfile_iso_supplementaryVD_raw['volume_effective_date_time']     =                              substr($ISOheader,  864, 17);
+		$thisfile_iso_supplementaryVD_raw['file_structure_version']         = getid3_lib::LittleEndian2Int(substr($ISOheader,  881, 1));
+		//$thisfile_iso_supplementaryVD_raw['unused_4']                       = getid3_lib::LittleEndian2Int(substr($ISOheader,  882, 1));
+		$thisfile_iso_supplementaryVD_raw['application_data']               =                              substr($ISOheader,  883, 512);
+		//$thisfile_iso_supplementaryVD_raw['unused_5']                       =                              substr($ISOheader, 1395, 653);
+
+		$thisfile_iso_supplementaryVD['system_identifier']              = trim($thisfile_iso_supplementaryVD_raw['system_identifier']);
+		$thisfile_iso_supplementaryVD['volume_identifier']              = trim($thisfile_iso_supplementaryVD_raw['volume_identifier']);
+		$thisfile_iso_supplementaryVD['volume_set_identifier']          = trim($thisfile_iso_supplementaryVD_raw['volume_set_identifier']);
+		$thisfile_iso_supplementaryVD['publisher_identifier']           = trim($thisfile_iso_supplementaryVD_raw['publisher_identifier']);
+		$thisfile_iso_supplementaryVD['data_preparer_identifier']       = trim($thisfile_iso_supplementaryVD_raw['data_preparer_identifier']);
+		$thisfile_iso_supplementaryVD['application_identifier']         = trim($thisfile_iso_supplementaryVD_raw['application_identifier']);
+		$thisfile_iso_supplementaryVD['copyright_file_identifier']      = trim($thisfile_iso_supplementaryVD_raw['copyright_file_identifier']);
+		$thisfile_iso_supplementaryVD['abstract_file_identifier']       = trim($thisfile_iso_supplementaryVD_raw['abstract_file_identifier']);
+		$thisfile_iso_supplementaryVD['bibliographic_file_identifier']  = trim($thisfile_iso_supplementaryVD_raw['bibliographic_file_identifier']);
+		$thisfile_iso_supplementaryVD['volume_creation_date_time']      = $this->ISOtimeText2UNIXtime($thisfile_iso_supplementaryVD_raw['volume_creation_date_time']);
+		$thisfile_iso_supplementaryVD['volume_modification_date_time']  = $this->ISOtimeText2UNIXtime($thisfile_iso_supplementaryVD_raw['volume_modification_date_time']);
+		$thisfile_iso_supplementaryVD['volume_expiration_date_time']    = $this->ISOtimeText2UNIXtime($thisfile_iso_supplementaryVD_raw['volume_expiration_date_time']);
+		$thisfile_iso_supplementaryVD['volume_effective_date_time']     = $this->ISOtimeText2UNIXtime($thisfile_iso_supplementaryVD_raw['volume_effective_date_time']);
+
+		if (($thisfile_iso_supplementaryVD_raw['volume_space_size'] * $thisfile_iso_supplementaryVD_raw['logical_block_size']) > $ThisFileInfo['filesize']) {
+			$ThisFileInfo['error'][] = 'Volume Space Size ('.($thisfile_iso_supplementaryVD_raw['volume_space_size'] * $thisfile_iso_supplementaryVD_raw['logical_block_size']).' bytes) is larger than the file size ('.$ThisFileInfo['filesize'].' bytes) (truncated file?)';
+		}
+
+		return true;
+	}
+
+
+	function ParsePathTable($fd, &$ThisFileInfo) {
+		if (!isset($ThisFileInfo['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location']) && !isset($ThisFileInfo['iso']['primary_volume_descriptor']['raw']['path_table_l_location'])) {
+			return false;
+		}
+		if (isset($ThisFileInfo['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location'])) {
+			$PathTableLocation = $ThisFileInfo['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location'];
+			$PathTableSize     = $ThisFileInfo['iso']['supplementary_volume_descriptor']['raw']['path_table_size'];
+			$TextEncoding      = 'UTF-16BE'; // Big-Endian Unicode
+		} else {
+			$PathTableLocation = $ThisFileInfo['iso']['primary_volume_descriptor']['raw']['path_table_l_location'];
+			$PathTableSize     = $ThisFileInfo['iso']['primary_volume_descriptor']['raw']['path_table_size'];
+			$TextEncoding      = 'ISO-8859-1'; // Latin-1
+		}
+
+		if (($PathTableLocation * 2048) > $ThisFileInfo['filesize']) {
+			$ThisFileInfo['error'][] = 'Path Table Location specifies an offset ('.($PathTableLocation * 2048).') beyond the end-of-file ('.$ThisFileInfo['filesize'].')';
+			return false;
+		}
+
+		$ThisFileInfo['iso']['path_table']['offset'] = $PathTableLocation * 2048;
+		fseek($fd, $ThisFileInfo['iso']['path_table']['offset'], SEEK_SET);
+		$ThisFileInfo['iso']['path_table']['raw'] = fread($fd, $PathTableSize);
+
+		$offset = 0;
+		$pathcounter = 1;
+		while ($offset < $PathTableSize) {
+			// shortcut
+			$ThisFileInfo['iso']['path_table']['directories'][$pathcounter] = array();
+			$thisfile_iso_pathtable_directories_current = &$ThisFileInfo['iso']['path_table']['directories'][$pathcounter];
+
+			$thisfile_iso_pathtable_directories_current['length']           = getid3_lib::LittleEndian2Int(substr($ThisFileInfo['iso']['path_table']['raw'], $offset, 1));
+			$offset += 1;
+			$thisfile_iso_pathtable_directories_current['extended_length']  = getid3_lib::LittleEndian2Int(substr($ThisFileInfo['iso']['path_table']['raw'], $offset, 1));
+			$offset += 1;
+			$thisfile_iso_pathtable_directories_current['location_logical'] = getid3_lib::LittleEndian2Int(substr($ThisFileInfo['iso']['path_table']['raw'], $offset, 4));
+			$offset += 4;
+			$thisfile_iso_pathtable_directories_current['parent_directory'] = getid3_lib::LittleEndian2Int(substr($ThisFileInfo['iso']['path_table']['raw'], $offset, 2));
+			$offset += 2;
+			$thisfile_iso_pathtable_directories_current['name']             =                  substr($ThisFileInfo['iso']['path_table']['raw'], $offset, $thisfile_iso_pathtable_directories_current['length']);
+			$offset += $thisfile_iso_pathtable_directories_current['length'] + ($thisfile_iso_pathtable_directories_current['length'] % 2);
+
+			$thisfile_iso_pathtable_directories_current['name_ascii']       = getid3_lib::iconv_fallback($TextEncoding, $ThisFileInfo['encoding'], $thisfile_iso_pathtable_directories_current['name']);
+
+			$thisfile_iso_pathtable_directories_current['location_bytes'] = $thisfile_iso_pathtable_directories_current['location_logical'] * 2048;
+			if ($pathcounter == 1) {
+				$thisfile_iso_pathtable_directories_current['full_path'] = '/';
+			} else {
+				$thisfile_iso_pathtable_directories_current['full_path'] = $ThisFileInfo['iso']['path_table']['directories'][$thisfile_iso_pathtable_directories_current['parent_directory']]['full_path'].$thisfile_iso_pathtable_directories_current['name_ascii'].'/';
+			}
+			$FullPathArray[] = $thisfile_iso_pathtable_directories_current['full_path'];
+
+			$pathcounter++;
+		}
+
+		return true;
+	}
+
+
+	function ParseDirectoryRecord(&$fd, $directorydata, &$ThisFileInfo) {
+		if (isset($ThisFileInfo['iso']['supplementary_volume_descriptor'])) {
+			$TextEncoding = 'UTF-16BE';   // Big-Endian Unicode
+		} else {
+			$TextEncoding = 'ISO-8859-1'; // Latin-1
+		}
+
+		fseek($fd, $directorydata['location_bytes'], SEEK_SET);
+		$DirectoryRecordData = fread($fd, 1);
+
+		while (ord($DirectoryRecordData{0}) > 33) {
+
+			$DirectoryRecordData .= fread($fd, ord($DirectoryRecordData{0}) - 1);
+
+			$ThisDirectoryRecord['raw']['length']                    = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData,  0, 1));
+			$ThisDirectoryRecord['raw']['extended_attribute_length'] = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData,  1, 1));
+			$ThisDirectoryRecord['raw']['offset_logical']            = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData,  2, 4));
+			$ThisDirectoryRecord['raw']['filesize']                  = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 10, 4));
+			$ThisDirectoryRecord['raw']['recording_date_time']       =                  substr($DirectoryRecordData, 18, 7);
+			$ThisDirectoryRecord['raw']['file_flags']                = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 25, 1));
+			$ThisDirectoryRecord['raw']['file_unit_size']            = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 26, 1));
+			$ThisDirectoryRecord['raw']['interleave_gap_size']       = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 27, 1));
+			$ThisDirectoryRecord['raw']['volume_sequence_number']    = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 28, 2));
+			$ThisDirectoryRecord['raw']['file_identifier_length']    = getid3_lib::LittleEndian2Int(substr($DirectoryRecordData, 32, 1));
+			$ThisDirectoryRecord['raw']['file_identifier']           =                  substr($DirectoryRecordData, 33, $ThisDirectoryRecord['raw']['file_identifier_length']);
+
+			$ThisDirectoryRecord['file_identifier_ascii']            = getid3_lib::iconv_fallback($TextEncoding, $ThisFileInfo['encoding'], $ThisDirectoryRecord['raw']['file_identifier']);
+
+			$ThisDirectoryRecord['filesize']                  = $ThisDirectoryRecord['raw']['filesize'];
+			$ThisDirectoryRecord['offset_bytes']              = $ThisDirectoryRecord['raw']['offset_logical'] * 2048;
+			$ThisDirectoryRecord['file_flags']['hidden']      = (bool) ($ThisDirectoryRecord['raw']['file_flags'] & 0x01);
+			$ThisDirectoryRecord['file_flags']['directory']   = (bool) ($ThisDirectoryRecord['raw']['file_flags'] & 0x02);
+			$ThisDirectoryRecord['file_flags']['associated']  = (bool) ($ThisDirectoryRecord['raw']['file_flags'] & 0x04);
+			$ThisDirectoryRecord['file_flags']['extended']    = (bool) ($ThisDirectoryRecord['raw']['file_flags'] & 0x08);
+			$ThisDirectoryRecord['file_flags']['permissions'] = (bool) ($ThisDirectoryRecord['raw']['file_flags'] & 0x10);
+			$ThisDirectoryRecord['file_flags']['multiple']    = (bool) ($ThisDirectoryRecord['raw']['file_flags'] & 0x80);
+			$ThisDirectoryRecord['recording_timestamp']       = $this->ISOtime2UNIXtime($ThisDirectoryRecord['raw']['recording_date_time']);
+
+			if ($ThisDirectoryRecord['file_flags']['directory']) {
+				$ThisDirectoryRecord['filename'] = $directorydata['full_path'];
+			} else {
+				$ThisDirectoryRecord['filename'] = $directorydata['full_path'].$this->ISOstripFilenameVersion($ThisDirectoryRecord['file_identifier_ascii']);
+				$ThisFileInfo['iso']['files'] = getid3_lib::array_merge_clobber($ThisFileInfo['iso']['files'], getid3_lib::CreateDeepArray($ThisDirectoryRecord['filename'], '/', $ThisDirectoryRecord['filesize']));
+			}
+
+			$DirectoryRecord[] = $ThisDirectoryRecord;
+			$DirectoryRecordData = fread($fd, 1);
+		}
+
+		return $DirectoryRecord;
+	}
+
+	function ISOstripFilenameVersion($ISOfilename) {
+		// convert 'filename.ext;1' to 'filename.ext'
+		if (!strstr($ISOfilename, ';')) {
+			return $ISOfilename;
+		} else {
+			return substr($ISOfilename, 0, strpos($ISOfilename, ';'));
+		}
+	}
+
+	function ISOtimeText2UNIXtime($ISOtime) {
+
+		$UNIXyear   = (int) substr($ISOtime,  0, 4);
+		$UNIXmonth  = (int) substr($ISOtime,  4, 2);
+		$UNIXday    = (int) substr($ISOtime,  6, 2);
+		$UNIXhour   = (int) substr($ISOtime,  8, 2);
+		$UNIXminute = (int) substr($ISOtime, 10, 2);
+		$UNIXsecond = (int) substr($ISOtime, 12, 2);
+
+		if (!$UNIXyear) {
+			return false;
+		}
+		return gmmktime($UNIXhour, $UNIXminute, $UNIXsecond, $UNIXmonth, $UNIXday, $UNIXyear);
+	}
+
+	function ISOtime2UNIXtime($ISOtime) {
+		// Represented by seven bytes:
+		// 1: Number of years since 1900
+		// 2: Month of the year from 1 to 12
+		// 3: Day of the Month from 1 to 31
+		// 4: Hour of the day from 0 to 23
+		// 5: Minute of the hour from 0 to 59
+		// 6: second of the minute from 0 to 59
+		// 7: Offset from Greenwich Mean Time in number of 15 minute intervals from -48 (West) to +52 (East)
+
+		$UNIXyear   = ord($ISOtime{0}) + 1900;
+		$UNIXmonth  = ord($ISOtime{1});
+		$UNIXday    = ord($ISOtime{2});
+		$UNIXhour   = ord($ISOtime{3});
+		$UNIXminute = ord($ISOtime{4});
+		$UNIXsecond = ord($ISOtime{5});
+		$GMToffset  = $this->TwosCompliment2Decimal(ord($ISOtime{5}));
+
+		return gmmktime($UNIXhour, $UNIXminute, $UNIXsecond, $UNIXmonth, $UNIXday, $UNIXyear);
+	}
+
+	function TwosCompliment2Decimal($BinaryValue) {
+		// http://sandbox.mc.edu/~bennet/cs110/tc/tctod.html
+		// First check if the number is negative or positive by looking at the sign bit.
+		// If it is positive, simply convert it to decimal.
+		// If it is negative, make it positive by inverting the bits and adding one.
+		// Then, convert the result to decimal.
+		// The negative of this number is the value of the original binary.
+
+		if ($BinaryValue & 0x80) {
+
+			// negative number
+			return (0 - ((~$BinaryValue & 0xFF) + 1));
+		} else {
+			// positive number
+			return $BinaryValue;
+		}
+	}
+
+
+}
+
+?>
\ No newline at end of file