<?php

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/////////////////////////////////////////////////////////////////

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/// getID3() by James Heinrich <info@getid3.org> //

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// available at https://github.com/JamesHeinrich/getID3 //

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// or https://www.getid3.org //

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// or http://getid3.sourceforge.net //

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// see readme.txt for more details //

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/////////////////////////////////////////////////////////////////

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// //

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// module.audio-video.quicktime.php //

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// module for analyzing Quicktime and MP3-in-MP4 files //

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// dependencies: module.audio.mp3.php //

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// dependencies: module.tag.id3v2.php //

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// ///

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/////////////////////////////////////////////////////////////////

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if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers

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exit;

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}

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getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true);

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getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true); // needed for ISO 639-2 language code lookup

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class getid3_quicktime extends getid3_handler

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{

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/** audio-video.quicktime

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* return all parsed data from all atoms if true, otherwise just returned parsed metadata

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*

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* @var bool

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*/

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public $ReturnAtomData = false;

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/** audio-video.quicktime

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* return all parsed data from all atoms if true, otherwise just returned parsed metadata

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*

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* @var bool

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*/

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public $ParseAllPossibleAtoms = false;

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/**

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* @return bool

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*/

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public function Analyze() {

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$info = &$this->getid3->info;

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$info['fileformat'] = 'quicktime';

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$info['quicktime']['hinting'] = false;

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$info['quicktime']['controller'] = 'standard'; // may be overridden if 'ctyp' atom is present

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$this->fseek($info['avdataoffset']);

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$offset = 0;

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$atomcounter = 0;

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$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]

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while ($offset < $info['avdataend']) {

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if (!getid3_lib::intValueSupported($offset)) {

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$this->error('Unable to parse atom at offset '.$offset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions');

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break;

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}

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$this->fseek($offset);

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$AtomHeader = $this->fread(8);

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// https://github.com/JamesHeinrich/getID3/issues/382

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// Atom sizes are stored as 32-bit number in most cases, but sometimes (notably for "mdat")

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// a 64-bit value is required, in which case the normal 32-bit size field is set to 0x00000001

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// and the 64-bit "real" size value is the next 8 bytes.

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$atom_size_extended_bytes = 0;

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$atomsize = getid3_lib::BigEndian2Int(substr($AtomHeader, 0, 4));

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$atomname = substr($AtomHeader, 4, 4);

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if ($atomsize == 1) {

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$atom_size_extended_bytes = 8;

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$atomsize = getid3_lib::BigEndian2Int($this->fread($atom_size_extended_bytes));

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}

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if (($offset + $atomsize) > $info['avdataend']) {

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$info['quicktime'][$atomname]['name'] = $atomname;

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$info['quicktime'][$atomname]['size'] = $atomsize;

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$info['quicktime'][$atomname]['offset'] = $offset;

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$this->error('Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atomsize.' bytes)');

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return false;

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}

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if ($atomsize == 0) {

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// Furthermore, for historical reasons the list of atoms is optionally

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// terminated by a 32-bit integer set to 0. If you are writing a program

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// to read user data atoms, you should allow for the terminating 0.

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$info['quicktime'][$atomname]['name'] = $atomname;

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$info['quicktime'][$atomname]['size'] = $atomsize;

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$info['quicktime'][$atomname]['offset'] = $offset;

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break;

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}

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$atomHierarchy = array();

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$parsedAtomData = $this->QuicktimeParseAtom($atomname, $atomsize, $this->fread(min($atomsize - $atom_size_extended_bytes, $atom_data_read_buffer_size)), $offset, $atomHierarchy, $this->ParseAllPossibleAtoms);

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$parsedAtomData['name'] = $atomname;

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$parsedAtomData['size'] = $atomsize;

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$parsedAtomData['offset'] = $offset;

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if ($atom_size_extended_bytes) {

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$parsedAtomData['xsize_bytes'] = $atom_size_extended_bytes;

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}

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if (in_array($atomname, array('uuid'))) {

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@$info['quicktime'][$atomname][] = $parsedAtomData;

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} else {

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$info['quicktime'][$atomname] = $parsedAtomData;

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}

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$offset += $atomsize;

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$atomcounter++;

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}

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if (!empty($info['avdataend_tmp'])) {

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// this value is assigned to a temp value and then erased because

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// otherwise any atoms beyond the 'mdat' atom would not get parsed

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$info['avdataend'] = $info['avdataend_tmp'];

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unset($info['avdataend_tmp']);

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}

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if (isset($info['quicktime']['comments']['chapters']) && is_array($info['quicktime']['comments']['chapters']) && (count($info['quicktime']['comments']['chapters']) > 0)) {

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$durations = $this->quicktime_time_to_sample_table($info);

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for ($i = 0; $i < count($info['quicktime']['comments']['chapters']); $i++) {

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$bookmark = array();

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$bookmark['title'] = $info['quicktime']['comments']['chapters'][$i];

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if (isset($durations[$i])) {

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$bookmark['duration_sample'] = $durations[$i]['sample_duration'];

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if ($i > 0) {

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$bookmark['start_sample'] = $info['quicktime']['bookmarks'][($i - 1)]['start_sample'] + $info['quicktime']['bookmarks'][($i - 1)]['duration_sample'];

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} else {

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$bookmark['start_sample'] = 0;

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}

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if ($time_scale = $this->quicktime_bookmark_time_scale($info)) {

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$bookmark['duration_seconds'] = $bookmark['duration_sample'] / $time_scale;

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$bookmark['start_seconds'] = $bookmark['start_sample'] / $time_scale;

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}

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}

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$info['quicktime']['bookmarks'][] = $bookmark;

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}

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}

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if (isset($info['quicktime']['temp_meta_key_names'])) {

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unset($info['quicktime']['temp_meta_key_names']);

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}

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if (!empty($info['quicktime']['comments']['location.ISO6709'])) {

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// https://en.wikipedia.org/wiki/ISO_6709

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foreach ($info['quicktime']['comments']['location.ISO6709'] as $ISO6709string) {

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$ISO6709parsed = array('latitude'=>false, 'longitude'=>false, 'altitude'=>false);

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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)) {

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// phpcs:ignore PHPCompatibility.Lists.AssignmentOrder.Affected

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@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;

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if (strlen($lat_deg) == 2) { // [+-]DD.D

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$ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim($lat_deg, '0').$lat_deg_dec);

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} elseif (strlen($lat_deg) == 4) { // [+-]DDMM.M

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$ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval(ltrim(substr($lat_deg, 2, 2), '0').$lat_deg_dec / 60);

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} elseif (strlen($lat_deg) == 6) { // [+-]DDMMSS.S

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$ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval((int) ltrim(substr($lat_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($lat_deg, 4, 2), '0').$lat_deg_dec / 3600);

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}

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if (strlen($lon_deg) == 3) { // [+-]DDD.D

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$ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim($lon_deg, '0').$lon_deg_dec);

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} elseif (strlen($lon_deg) == 5) { // [+-]DDDMM.M

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$ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval(ltrim(substr($lon_deg, 2, 2), '0').$lon_deg_dec / 60);

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} elseif (strlen($lon_deg) == 7) { // [+-]DDDMMSS.S

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$ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval((int) ltrim(substr($lon_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($lon_deg, 4, 2), '0').$lon_deg_dec / 3600);

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}

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if (strlen($alt_deg) == 3) { // [+-]DDD.D

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$ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim($alt_deg, '0').$alt_deg_dec);

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} elseif (strlen($alt_deg) == 5) { // [+-]DDDMM.M

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$ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval(ltrim(substr($alt_deg, 2, 2), '0').$alt_deg_dec / 60);

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} elseif (strlen($alt_deg) == 7) { // [+-]DDDMMSS.S

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$ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval((int) ltrim(substr($alt_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($alt_deg, 4, 2), '0').$alt_deg_dec / 3600);

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}

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foreach (array('latitude', 'longitude', 'altitude') as $key) {

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if ($ISO6709parsed[$key] !== false) {

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$value = (($lat_sign == '-') ? -1 : 1) * floatval($ISO6709parsed[$key]);

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if (!isset($info['quicktime']['comments']['gps_'.$key]) || !in_array($value, $info['quicktime']['comments']['gps_'.$key])) {

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@$info['quicktime']['comments']['gps_'.$key][] = (($lat_sign == '-') ? -1 : 1) * floatval($ISO6709parsed[$key]);

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}

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}

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}

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}

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if ($ISO6709parsed['latitude'] === false) {

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$this->warning('location.ISO6709 string not parsed correctly: "'.$ISO6709string.'", please submit as a bug');

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}

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break;

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}

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}

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if (!isset($info['bitrate']) && !empty($info['playtime_seconds'])) {

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$info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];

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}

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if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info['quicktime']['video'])) {

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$info['audio']['bitrate'] = $info['bitrate'];

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}

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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'])) {

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$info['video']['bitrate'] = $info['bitrate'] - $info['audio']['bitrate'];

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}

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if (!empty($info['playtime_seconds']) && !isset($info['video']['frame_rate']) && !empty($info['quicktime']['stts_framecount'])) {

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foreach ($info['quicktime']['stts_framecount'] as $key => $samples_count) {

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$samples_per_second = $samples_count / $info['playtime_seconds'];

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if ($samples_per_second > 240) {

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// has to be audio samples

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} else {

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$info['video']['frame_rate'] = $samples_per_second;

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break;

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}

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}

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}

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if ($info['audio']['dataformat'] == 'mp4') {

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$info['fileformat'] = 'mp4';

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if (empty($info['video']['resolution_x'])) {

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$info['mime_type'] = 'audio/mp4';

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unset($info['video']['dataformat']);

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} else {

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$info['mime_type'] = 'video/mp4';

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}

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}

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if (!$this->ReturnAtomData) {

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unset($info['quicktime']['moov']);

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}

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if (empty($info['audio']['dataformat']) && !empty($info['quicktime']['audio'])) {

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$info['audio']['dataformat'] = 'quicktime';

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}

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if (empty($info['video']['dataformat']) && !empty($info['quicktime']['video'])) {

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$info['video']['dataformat'] = 'quicktime';

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}

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if (isset($info['video']) && ($info['mime_type'] == 'audio/mp4') && empty($info['video']['resolution_x']) && empty($info['video']['resolution_y'])) {

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unset($info['video']);

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}

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return true;

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}

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[235] Fix | Delete

/**

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* @param string $atomname

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* @param int $atomsize

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* @param string $atom_data

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* @param int $baseoffset

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* @param array $atomHierarchy

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* @param bool $ParseAllPossibleAtoms

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*

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* @return array|false

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*/

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public function QuicktimeParseAtom($atomname, $atomsize, $atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {

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// http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm

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// https://code.google.com/p/mp4v2/wiki/iTunesMetadata

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$info = &$this->getid3->info;

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$atom_parent = end($atomHierarchy); // not array_pop($atomHierarchy); see https://www.getid3.org/phpBB3/viewtopic.php?t=1717

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array_push($atomHierarchy, $atomname);

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$atom_structure = array();

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$atom_structure['hierarchy'] = implode(' ', $atomHierarchy);

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$atom_structure['name'] = $atomname;

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$atom_structure['size'] = $atomsize;

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$atom_structure['offset'] = $baseoffset;

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if (substr($atomname, 0, 3) == "\x00\x00\x00") {

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// https://github.com/JamesHeinrich/getID3/issues/139

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$atomname = getid3_lib::BigEndian2Int($atomname);

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$atom_structure['name'] = $atomname;

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$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);

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} else {

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switch ($atomname) {

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case 'moov': // MOVie container atom

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case 'moof': // MOvie Fragment box

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case 'trak': // TRAcK container atom

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case 'traf': // TRAck Fragment box

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case 'clip': // CLIPping container atom

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case 'matt': // track MATTe container atom

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case 'edts': // EDiTS container atom

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case 'tref': // Track REFerence container atom

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case 'mdia': // MeDIA container atom

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case 'minf': // Media INFormation container atom

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case 'dinf': // Data INFormation container atom

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case 'nmhd': // Null Media HeaDer container atom

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case 'udta': // User DaTA container atom

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case 'cmov': // Compressed MOVie container atom

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case 'rmra': // Reference Movie Record Atom

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case 'rmda': // Reference Movie Descriptor Atom

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case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR)

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$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);

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break;

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case 'ilst': // Item LiST container atom

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if ($atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms)) {

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// some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted

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$allnumericnames = true;

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foreach ($atom_structure['subatoms'] as $subatomarray) {

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if (!is_integer($subatomarray['name']) || (count($subatomarray['subatoms']) != 1)) {

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$allnumericnames = false;

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break;

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}

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}

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if ($allnumericnames) {

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$newData = array();

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foreach ($atom_structure['subatoms'] as $subatomarray) {

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foreach ($subatomarray['subatoms'] as $newData_subatomarray) {

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unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']);

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$newData[$subatomarray['name']] = $newData_subatomarray;

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break;

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}

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}

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$atom_structure['data'] = $newData;

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unset($atom_structure['subatoms']);

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}

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}

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break;

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case 'stbl': // Sample TaBLe container atom

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$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);

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$isVideo = false;

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$framerate = 0;

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$framecount = 0;

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foreach ($atom_structure['subatoms'] as $key => $value_array) {

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if (isset($value_array['sample_description_table'])) {

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foreach ($value_array['sample_description_table'] as $key2 => $value_array2) {

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if (isset($value_array2['data_format'])) {

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switch ($value_array2['data_format']) {

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case 'avc1':

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case 'mp4v':

[322] Fix | Delete

// video data

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$isVideo = true;

[324] Fix | Delete

break;

[325] Fix | Delete

case 'mp4a':

[326] Fix | Delete

// audio data

[327] Fix | Delete

break;

[328] Fix | Delete

}

[329] Fix | Delete

}

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}

[331] Fix | Delete

} elseif (isset($value_array['time_to_sample_table'])) {

[332] Fix | Delete

foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) {

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if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && ($value_array2['sample_duration'] > 0) && !empty($info['quicktime']['time_scale'])) {

[334] Fix | Delete

$framerate = round($info['quicktime']['time_scale'] / $value_array2['sample_duration'], 3);

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$framecount = $value_array2['sample_count'];

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}

[337] Fix | Delete

}

[338] Fix | Delete

}

[339] Fix | Delete

}

[340] Fix | Delete

if ($isVideo && $framerate) {

[341] Fix | Delete

$info['quicktime']['video']['frame_rate'] = $framerate;

[342] Fix | Delete

$info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate'];

[343] Fix | Delete

}

[344] Fix | Delete

if ($isVideo && $framecount) {

[345] Fix | Delete

$info['quicktime']['video']['frame_count'] = $framecount;

[346] Fix | Delete

}

[347] Fix | Delete

break;

[348] Fix | Delete

[349] Fix | Delete

[350] Fix | Delete

case "\xA9".'alb': // ALBum

[351] Fix | Delete

case "\xA9".'ART': //

[352] Fix | Delete

case "\xA9".'art': // ARTist

[353] Fix | Delete

case "\xA9".'aut': //

[354] Fix | Delete

case "\xA9".'cmt': // CoMmenT

[355] Fix | Delete

case "\xA9".'com': // COMposer

[356] Fix | Delete

case "\xA9".'cpy': //

[357] Fix | Delete

case "\xA9".'day': // content created year

[358] Fix | Delete

case "\xA9".'dir': //

[359] Fix | Delete

case "\xA9".'ed1': //

[360] Fix | Delete

case "\xA9".'ed2': //

[361] Fix | Delete

case "\xA9".'ed3': //

[362] Fix | Delete

case "\xA9".'ed4': //

[363] Fix | Delete

case "\xA9".'ed5': //

[364] Fix | Delete

case "\xA9".'ed6': //

[365] Fix | Delete

case "\xA9".'ed7': //

[366] Fix | Delete

case "\xA9".'ed8': //

[367] Fix | Delete

case "\xA9".'ed9': //

[368] Fix | Delete

case "\xA9".'enc': //

[369] Fix | Delete

case "\xA9".'fmt': //

[370] Fix | Delete

case "\xA9".'gen': // GENre

[371] Fix | Delete

case "\xA9".'grp': // GRouPing

[372] Fix | Delete

case "\xA9".'hst': //

[373] Fix | Delete

case "\xA9".'inf': //

[374] Fix | Delete

case "\xA9".'lyr': // LYRics

[375] Fix | Delete

case "\xA9".'mak': //

[376] Fix | Delete

case "\xA9".'mod': //

[377] Fix | Delete

case "\xA9".'nam': // full NAMe

[378] Fix | Delete

case "\xA9".'ope': //

[379] Fix | Delete

case "\xA9".'PRD': //

[380] Fix | Delete

case "\xA9".'prf': //

[381] Fix | Delete

case "\xA9".'req': //

[382] Fix | Delete

case "\xA9".'src': //

[383] Fix | Delete

case "\xA9".'swr': //

[384] Fix | Delete

case "\xA9".'too': // encoder

[385] Fix | Delete

case "\xA9".'trk': // TRacK

[386] Fix | Delete

case "\xA9".'url': //

[387] Fix | Delete

case "\xA9".'wrn': //

[388] Fix | Delete

case "\xA9".'wrt': // WRiTer

[389] Fix | Delete

case '----': // itunes specific

[390] Fix | Delete

case 'aART': // Album ARTist

[391] Fix | Delete

case 'akID': // iTunes store account type

[392] Fix | Delete

case 'apID': // Purchase Account

[393] Fix | Delete

case 'atID': //

[394] Fix | Delete

case 'catg': // CaTeGory

[395] Fix | Delete

case 'cmID': //

[396] Fix | Delete

case 'cnID': //

[397] Fix | Delete

case 'covr': // COVeR artwork

[398] Fix | Delete

case 'cpil': // ComPILation

[399] Fix | Delete

case 'cprt': // CoPyRighT

[400] Fix | Delete

case 'desc': // DESCription

[401] Fix | Delete

case 'disk': // DISK number

[402] Fix | Delete

case 'egid': // Episode Global ID

[403] Fix | Delete

case 'geID': //

[404] Fix | Delete

case 'gnre': // GeNRE

[405] Fix | Delete

case 'hdvd': // HD ViDeo

[406] Fix | Delete

case 'keyw': // KEYWord

[407] Fix | Delete

case 'ldes': // Long DEScription

[408] Fix | Delete

case 'pcst': // PodCaST

[409] Fix | Delete

case 'pgap': // GAPless Playback

[410] Fix | Delete

case 'plID': //

[411] Fix | Delete

case 'purd': // PURchase Date

[412] Fix | Delete

case 'purl': // Podcast URL

[413] Fix | Delete

case 'rati': //

[414] Fix | Delete

case 'rndu': //

[415] Fix | Delete

case 'rpdu': //

[416] Fix | Delete

case 'rtng': // RaTiNG

[417] Fix | Delete

case 'sfID': // iTunes store country

[418] Fix | Delete

case 'soaa': // SOrt Album Artist

[419] Fix | Delete

case 'soal': // SOrt ALbum

[420] Fix | Delete

case 'soar': // SOrt ARtist

[421] Fix | Delete

case 'soco': // SOrt COmposer

[422] Fix | Delete

case 'sonm': // SOrt NaMe

[423] Fix | Delete

case 'sosn': // SOrt Show Name

[424] Fix | Delete

case 'stik': //

[425] Fix | Delete

case 'tmpo': // TeMPO (BPM)

[426] Fix | Delete

case 'trkn': // TRacK Number

[427] Fix | Delete

case 'tven': // tvEpisodeID

[428] Fix | Delete

case 'tves': // TV EpiSode

[429] Fix | Delete

case 'tvnn': // TV Network Name

[430] Fix | Delete

case 'tvsh': // TV SHow Name

[431] Fix | Delete

case 'tvsn': // TV SeasoN

[432] Fix | Delete

if ($atom_parent == 'udta') {

[433] Fix | Delete

// User data atom handler

[434] Fix | Delete

$atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));

[435] Fix | Delete

$atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2));

[436] Fix | Delete

$atom_structure['data'] = substr($atom_data, 4);

[437] Fix | Delete

[438] Fix | Delete

$atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']);

[439] Fix | Delete

if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {

[440] Fix | Delete

$info['comments']['language'][] = $atom_structure['language'];

[441] Fix | Delete

}

[442] Fix | Delete

} else {

[443] Fix | Delete

// Apple item list box atom handler

[444] Fix | Delete

$atomoffset = 0;

[445] Fix | Delete

if (substr($atom_data, 2, 2) == "\x10\xB5") {

[446] Fix | Delete

// not sure what it means, but observed on iPhone4 data.

[447] Fix | Delete

// Each $atom_data has 2 bytes of datasize, plus 0x10B5, then data

[448] Fix | Delete

while ($atomoffset < strlen($atom_data)) {

[449] Fix | Delete

$boxsmallsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 2));

[450] Fix | Delete

$boxsmalltype = substr($atom_data, $atomoffset + 2, 2);

[451] Fix | Delete

$boxsmalldata = substr($atom_data, $atomoffset + 4, $boxsmallsize);

[452] Fix | Delete

if ($boxsmallsize <= 1) {

[453] Fix | Delete

$this->warning('Invalid QuickTime atom smallbox size "'.$boxsmallsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset));

[454] Fix | Delete

$atom_structure['data'] = null;

[455] Fix | Delete

$atomoffset = strlen($atom_data);

[456] Fix | Delete

break;

[457] Fix | Delete

}

[458] Fix | Delete

switch ($boxsmalltype) {

[459] Fix | Delete

case "\x10\xB5":

[460] Fix | Delete

$atom_structure['data'] = $boxsmalldata;

[461] Fix | Delete

break;

[462] Fix | Delete

default:

[463] Fix | Delete

$this->warning('Unknown QuickTime smallbox type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxsmalltype).'" ('.trim(getid3_lib::PrintHexBytes($boxsmalltype)).') at offset '.$baseoffset);

[464] Fix | Delete

$atom_structure['data'] = $atom_data;

[465] Fix | Delete

break;

[466] Fix | Delete

}

[467] Fix | Delete

$atomoffset += (4 + $boxsmallsize);

[468] Fix | Delete

}

[469] Fix | Delete

} else {

[470] Fix | Delete

while ($atomoffset < strlen($atom_data)) {

[471] Fix | Delete

$boxsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 4));

[472] Fix | Delete

$boxtype = substr($atom_data, $atomoffset + 4, 4);

[473] Fix | Delete

$boxdata = substr($atom_data, $atomoffset + 8, $boxsize - 8);

[474] Fix | Delete

if ($boxsize <= 1) {

[475] Fix | Delete

$this->warning('Invalid QuickTime atom box size "'.$boxsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset));

[476] Fix | Delete

$atom_structure['data'] = null;

[477] Fix | Delete

$atomoffset = strlen($atom_data);

[478] Fix | Delete

break;

[479] Fix | Delete

}

[480] Fix | Delete

$atomoffset += $boxsize;

[481] Fix | Delete

[482] Fix | Delete

switch ($boxtype) {

[483] Fix | Delete

case 'mean':

[484] Fix | Delete

case 'name':

[485] Fix | Delete

$atom_structure[$boxtype] = substr($boxdata, 4);

[486] Fix | Delete

break;

[487] Fix | Delete

[488] Fix | Delete

case 'data':

[489] Fix | Delete

$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($boxdata, 0, 1));

[490] Fix | Delete

$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($boxdata, 1, 3));

[491] Fix | Delete

switch ($atom_structure['flags_raw']) {

[492] Fix | Delete

case 0: // data flag

[493] Fix | Delete

case 21: // tmpo/cpil flag

[494] Fix | Delete

switch ($atomname) {

[495] Fix | Delete

case 'cpil':

[496] Fix | Delete

case 'hdvd':

[497] Fix | Delete

case 'pcst':

[498] Fix | Delete

case 'pgap':

[499] Fix | Delete