--- /dev/null
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org> //
+// available at http://getid3.sourceforge.net //
+// or http://www.getid3.org //
+// also https://github.com/JamesHeinrich/getID3 //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details //
+/////////////////////////////////////////////////////////////////
+// //
+// module.misc.iso.php //
+// module for analyzing ISO files //
+// dependencies: NONE //
+// ///
+/////////////////////////////////////////////////////////////////
+
+
+class getid3_iso extends getid3_handler
+{
+
+ public function Analyze() {
+ $info = &$this->getid3->info;
+
+ $info['fileformat'] = 'iso';
+
+ for ($i = 16; $i <= 19; $i++) {
+ $this->fseek(2048 * $i);
+ $ISOheader = $this->fread(2048);
+ if (substr($ISOheader, 1, 5) == 'CD001') {
+ switch (ord($ISOheader{0})) {
+ case 1:
+ $info['iso']['primary_volume_descriptor']['offset'] = 2048 * $i;
+ $this->ParsePrimaryVolumeDescriptor($ISOheader);
+ break;
+
+ case 2:
+ $info['iso']['supplementary_volume_descriptor']['offset'] = 2048 * $i;
+ $this->ParseSupplementaryVolumeDescriptor($ISOheader);
+ break;
+
+ default:
+ // skip
+ break;
+ }
+ }
+ }
+
+ $this->ParsePathTable();
+
+ $info['iso']['files'] = array();
+ foreach ($info['iso']['path_table']['directories'] as $directorynum => $directorydata) {
+ $info['iso']['directories'][$directorynum] = $this->ParseDirectoryRecord($directorydata);
+ }
+
+ return true;
+ }
+
+
+ public function ParsePrimaryVolumeDescriptor(&$ISOheader) {
+ // 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
+ $info = &$this->getid3->info;
+ $info['iso']['primary_volume_descriptor']['raw'] = array();
+ $thisfile_iso_primaryVD = &$info['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') {
+ $this->error('Expected "CD001" at offset ('.($thisfile_iso_primaryVD['offset'] + 1).'), found "'.$thisfile_iso_primaryVD_raw['standard_identifier'].'" instead');
+ unset($info['fileformat']);
+ unset($info['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) > $info['filesize']) {
+ $this->error('Volume Space Size ('.($thisfile_iso_primaryVD_raw['volume_space_size'] * 2048).' bytes) is larger than the file size ('.$info['filesize'].' bytes) (truncated file?)');
+ }
+
+ return true;
+ }
+
+
+ public function ParseSupplementaryVolumeDescriptor(&$ISOheader) {
+ // ISO integer values are stored Both-Endian format!!
+ // ie 12345 == 0x3039 is stored as $39 $30 $30 $39 in a 4-byte field
+
+ // shortcuts
+ $info = &$this->getid3->info;
+ $info['iso']['supplementary_volume_descriptor']['raw'] = array();
+ $thisfile_iso_supplementaryVD = &$info['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') {
+ $this->error('Expected "CD001" at offset ('.($thisfile_iso_supplementaryVD['offset'] + 1).'), found "'.$thisfile_iso_supplementaryVD_raw['standard_identifier'].'" instead');
+ unset($info['fileformat']);
+ unset($info['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']) > $info['filesize']) {
+ $this->error('Volume Space Size ('.($thisfile_iso_supplementaryVD_raw['volume_space_size'] * $thisfile_iso_supplementaryVD_raw['logical_block_size']).' bytes) is larger than the file size ('.$info['filesize'].' bytes) (truncated file?)');
+ }
+
+ return true;
+ }
+
+
+ public function ParsePathTable() {
+ $info = &$this->getid3->info;
+ if (!isset($info['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location']) && !isset($info['iso']['primary_volume_descriptor']['raw']['path_table_l_location'])) {
+ return false;
+ }
+ if (isset($info['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location'])) {
+ $PathTableLocation = $info['iso']['supplementary_volume_descriptor']['raw']['path_table_l_location'];
+ $PathTableSize = $info['iso']['supplementary_volume_descriptor']['raw']['path_table_size'];
+ $TextEncoding = 'UTF-16BE'; // Big-Endian Unicode
+ } else {
+ $PathTableLocation = $info['iso']['primary_volume_descriptor']['raw']['path_table_l_location'];
+ $PathTableSize = $info['iso']['primary_volume_descriptor']['raw']['path_table_size'];
+ $TextEncoding = 'ISO-8859-1'; // Latin-1
+ }
+
+ if (($PathTableLocation * 2048) > $info['filesize']) {
+ $this->error('Path Table Location specifies an offset ('.($PathTableLocation * 2048).') beyond the end-of-file ('.$info['filesize'].')');
+ return false;
+ }
+
+ $info['iso']['path_table']['offset'] = $PathTableLocation * 2048;
+ $this->fseek($info['iso']['path_table']['offset']);
+ $info['iso']['path_table']['raw'] = $this->fread($PathTableSize);
+
+ $offset = 0;
+ $pathcounter = 1;
+ while ($offset < $PathTableSize) {
+ // shortcut
+ $info['iso']['path_table']['directories'][$pathcounter] = array();
+ $thisfile_iso_pathtable_directories_current = &$info['iso']['path_table']['directories'][$pathcounter];
+
+ $thisfile_iso_pathtable_directories_current['length'] = getid3_lib::LittleEndian2Int(substr($info['iso']['path_table']['raw'], $offset, 1));
+ $offset += 1;
+ $thisfile_iso_pathtable_directories_current['extended_length'] = getid3_lib::LittleEndian2Int(substr($info['iso']['path_table']['raw'], $offset, 1));
+ $offset += 1;
+ $thisfile_iso_pathtable_directories_current['location_logical'] = getid3_lib::LittleEndian2Int(substr($info['iso']['path_table']['raw'], $offset, 4));
+ $offset += 4;
+ $thisfile_iso_pathtable_directories_current['parent_directory'] = getid3_lib::LittleEndian2Int(substr($info['iso']['path_table']['raw'], $offset, 2));
+ $offset += 2;
+ $thisfile_iso_pathtable_directories_current['name'] = substr($info['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, $info['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'] = $info['iso']['path_table']['directories'][$thisfile_iso_pathtable_directories_current['parent_directory']]['full_path'].$thisfile_iso_pathtable_directories_current['name_ascii'].'/';
+ }
+ $FullPathArray[] = $thisfile_iso_pathtable_directories_current['full_path'];
+
+ $pathcounter++;
+ }
+
+ return true;
+ }
+
+
+ public function ParseDirectoryRecord($directorydata) {
+ $info = &$this->getid3->info;
+ if (isset($info['iso']['supplementary_volume_descriptor'])) {
+ $TextEncoding = 'UTF-16BE'; // Big-Endian Unicode
+ } else {
+ $TextEncoding = 'ISO-8859-1'; // Latin-1
+ }
+
+ $this->fseek($directorydata['location_bytes']);
+ $DirectoryRecordData = $this->fread(1);
+
+ while (ord($DirectoryRecordData{0}) > 33) {
+
+ $DirectoryRecordData .= $this->fread(ord($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, $info['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']);
+ $info['iso']['files'] = getid3_lib::array_merge_clobber($info['iso']['files'], getid3_lib::CreateDeepArray($ThisDirectoryRecord['filename'], '/', $ThisDirectoryRecord['filesize']));
+ }
+
+ $DirectoryRecord[] = $ThisDirectoryRecord;
+ $DirectoryRecordData = $this->fread(1);
+ }
+
+ return $DirectoryRecord;
+ }
+
+ public function ISOstripFilenameVersion($ISOfilename) {
+ // convert 'filename.ext;1' to 'filename.ext'
+ if (!strstr($ISOfilename, ';')) {
+ return $ISOfilename;
+ } else {
+ return substr($ISOfilename, 0, strpos($ISOfilename, ';'));
+ }
+ }
+
+ public function ISOtimeText2UNIXtime($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, $UNIXyear);
+ }
+
+ public function ISOtime2UNIXtime($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, $UNIXyear);
+ }
+
+ public function TwosCompliment2Decimal($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;
+ }
+ }
+
+
+}
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