mirror of
https://github.com/Yetangitu/ampache
synced 2025-10-05 02:39:47 +02:00
1529 lines
No EOL
72 KiB
PHP
1529 lines
No EOL
72 KiB
PHP
<?php
|
|
// +----------------------------------------------------------------------+
|
|
// | PHP version 5 |
|
|
// +----------------------------------------------------------------------+
|
|
// | Copyright (c) 2002-2006 James Heinrich, Allan Hansen |
|
|
// +----------------------------------------------------------------------+
|
|
// | This source file is subject to version 2 of the GPL license, |
|
|
// | that is bundled with this package in the file license.txt and is |
|
|
// | available through the world-wide-web at the following url: |
|
|
// | http://www.gnu.org/copyleft/gpl.html |
|
|
// +----------------------------------------------------------------------+
|
|
// | getID3() - http://getid3.sourceforge.net or http://www.getid3.org |
|
|
// +----------------------------------------------------------------------+
|
|
// | Authors: James Heinrich <infoØgetid3*org> |
|
|
// | Allan Hansen <ahØartemis*dk> |
|
|
// +----------------------------------------------------------------------+
|
|
// | module.audio-video.quicktime.php |
|
|
// | Module for analyzing Quicktime, MP3-in-MP4 and Apple Lossless files. |
|
|
// | dependencies: module.audio.mp3.php |
|
|
// | zlib support in PHP (optional) |
|
|
// +----------------------------------------------------------------------+
|
|
//
|
|
// $Id: module.audio-video.quicktime.php,v 1.7 2006/11/02 16:03:28 ah Exp $
|
|
|
|
|
|
|
|
class getid3_quicktime extends getid3_handler
|
|
{
|
|
|
|
public function Analyze() {
|
|
|
|
$getid3 = $this->getid3;
|
|
|
|
$info = &$getid3->info;
|
|
|
|
$getid3->include_module('audio.mp3');
|
|
|
|
$info['quicktime'] = array ();
|
|
$info_quicktime = &$info['quicktime'];
|
|
|
|
$info['fileformat'] = 'quicktime';
|
|
$info_quicktime['hinting'] = false;
|
|
|
|
fseek($getid3->fp, $info['avdataoffset'], SEEK_SET);
|
|
|
|
$offset = $atom_counter = 0;
|
|
|
|
while ($offset < $info['avdataend']) {
|
|
|
|
fseek($getid3->fp, $offset, SEEK_SET);
|
|
$atom_header = fread($getid3->fp, 8);
|
|
|
|
$atom_size = getid3_lib::BigEndian2Int(substr($atom_header, 0, 4));
|
|
$atom_name = substr($atom_header, 4, 4);
|
|
|
|
$info_quicktime[$atom_name]['name'] = $atom_name;
|
|
$info_quicktime[$atom_name]['size'] = $atom_size;
|
|
$info_quicktime[$atom_name]['offset'] = $offset;
|
|
|
|
if (($offset + $atom_size) > $info['avdataend']) {
|
|
throw new getid3_exception('Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atom_size.' bytes)');
|
|
}
|
|
|
|
if ($atom_size == 0) {
|
|
// Furthermore, for historical reasons the list of atoms is optionally
|
|
// terminated by a 32-bit integer set to 0. If you are writing a program
|
|
// to read user data atoms, you should allow for the terminating 0.
|
|
break;
|
|
}
|
|
|
|
switch ($atom_name) {
|
|
|
|
case 'mdat': // Media DATa atom
|
|
// 'mdat' contains the actual data for the audio/video
|
|
if (($atom_size > 8) && (!isset($info['avdataend_tmp']) || ($info_quicktime[$atom_name]['size'] > ($info['avdataend_tmp'] - $info['avdataoffset'])))) {
|
|
|
|
$info['avdataoffset'] = $info_quicktime[$atom_name]['offset'] + 8;
|
|
$old_av_data_end = $info['avdataend'];
|
|
$info['avdataend'] = $info_quicktime[$atom_name]['offset'] + $info_quicktime[$atom_name]['size'];
|
|
|
|
|
|
//// MP3
|
|
|
|
if (!$getid3->include_module_optional('audio.mp3')) {
|
|
$getid3->warning('MP3 skipped because mpeg module is missing.');
|
|
}
|
|
|
|
else {
|
|
|
|
// Clone getid3 - messing with offsets - better safe than sorry
|
|
$clone = clone $getid3;
|
|
|
|
if (getid3_mp3::MPEGaudioHeaderValid(getid3_mp3::MPEGaudioHeaderDecode(fread($clone->fp, 4)))) {
|
|
|
|
$mp3 = new getid3_mp3($clone);
|
|
$mp3->AnalyzeMPEGaudioInfo();
|
|
|
|
// Import from clone and destroy
|
|
if (isset($clone->info['mpeg']['audio'])) {
|
|
|
|
$info['mpeg']['audio'] = $clone->info['mpeg']['audio'];
|
|
|
|
$info['audio']['dataformat'] = 'mp3';
|
|
$info['audio']['codec'] = (!empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' :'mp3')));
|
|
$info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate'];
|
|
$info['audio']['channels'] = $info['mpeg']['audio']['channels'];
|
|
$info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate'];
|
|
$info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
|
|
$info['bitrate'] = $info['audio']['bitrate'];
|
|
|
|
$getid3->warning($clone->warnings());
|
|
unset($clone);
|
|
}
|
|
}
|
|
}
|
|
|
|
$info['avdataend'] = $old_av_data_end;
|
|
unset($old_av_data_end);
|
|
|
|
}
|
|
break;
|
|
|
|
|
|
case 'free': // FREE space atom
|
|
case 'skip': // SKIP atom
|
|
case 'wide': // 64-bit expansion placeholder atom
|
|
// 'free', 'skip' and 'wide' are just padding, contains no useful data at all
|
|
break;
|
|
|
|
|
|
default:
|
|
$atom_hierarchy = array ();
|
|
$info_quicktime[$atom_name] = $this->QuicktimeParseAtom($atom_name, $atom_size, fread($getid3->fp, $atom_size), $offset, $atom_hierarchy);
|
|
break;
|
|
}
|
|
|
|
$offset += $atom_size;
|
|
$atom_counter++;
|
|
}
|
|
|
|
if (!empty($info['avdataend_tmp'])) {
|
|
// this value is assigned to a temp value and then erased because
|
|
// otherwise any atoms beyond the 'mdat' atom would not get parsed
|
|
$info['avdataend'] = $info['avdataend_tmp'];
|
|
unset($info['avdataend_tmp']);
|
|
}
|
|
|
|
if (!isset($info['bitrate']) && isset($info['playtime_seconds'])) {
|
|
$info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
|
|
}
|
|
|
|
if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info_quicktime['video'])) {
|
|
$info['audio']['bitrate'] = $info['bitrate'];
|
|
}
|
|
|
|
if ((@$info['audio']['dataformat'] == 'mp4') && empty($info['video']['resolution_x'])) {
|
|
$info['fileformat'] = 'mp4';
|
|
$info['mime_type'] = 'audio/mp4';
|
|
unset($info['video']['dataformat']);
|
|
}
|
|
|
|
if (!$getid3->option_extra_info) {
|
|
unset($info_quicktime['moov']);
|
|
}
|
|
|
|
if (empty($info['audio']['dataformat']) && !empty($info_quicktime['audio'])) {
|
|
$info['audio']['dataformat'] = 'quicktime';
|
|
}
|
|
|
|
if (empty($info['video']['dataformat']) && !empty($info_quicktime['video'])) {
|
|
$info['video']['dataformat'] = 'quicktime';
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
private function QuicktimeParseAtom($atom_name, $atom_size, $atom_data, $base_offset, &$atom_hierarchy) {
|
|
|
|
// http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm
|
|
|
|
$getid3 = $this->getid3;
|
|
|
|
$info = &$getid3->info;
|
|
$info_quicktime = &$info['quicktime'];
|
|
|
|
array_push($atom_hierarchy, $atom_name);
|
|
$atom_structure['hierarchy'] = implode(' ', $atom_hierarchy);
|
|
$atom_structure['name'] = $atom_name;
|
|
$atom_structure['size'] = $atom_size;
|
|
$atom_structure['offset'] = $base_offset;
|
|
|
|
switch ($atom_name) {
|
|
case 'moov': // MOVie container atom
|
|
case 'trak': // TRAcK container atom
|
|
case 'clip': // CLIPping container atom
|
|
case 'matt': // track MATTe container atom
|
|
case 'edts': // EDiTS container atom
|
|
case 'tref': // Track REFerence container atom
|
|
case 'mdia': // MeDIA container atom
|
|
case 'minf': // Media INFormation container atom
|
|
case 'dinf': // Data INFormation container atom
|
|
case 'udta': // User DaTA container atom
|
|
case 'stbl': // Sample TaBLe container atom
|
|
case 'cmov': // Compressed MOVie container atom
|
|
case 'rmra': // Reference Movie Record Atom
|
|
case 'rmda': // Reference Movie Descriptor Atom
|
|
case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR)
|
|
$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $base_offset + 8, $atom_hierarchy);
|
|
break;
|
|
|
|
|
|
case '©cpy':
|
|
case '©day':
|
|
case '©dir':
|
|
case '©ed1':
|
|
case '©ed2':
|
|
case '©ed3':
|
|
case '©ed4':
|
|
case '©ed5':
|
|
case '©ed6':
|
|
case '©ed7':
|
|
case '©ed8':
|
|
case '©ed9':
|
|
case '©fmt':
|
|
case '©inf':
|
|
case '©prd':
|
|
case '©prf':
|
|
case '©req':
|
|
case '©src':
|
|
case '©wrt':
|
|
case '©nam':
|
|
case '©cmt':
|
|
case '©wrn':
|
|
case '©hst':
|
|
case '©mak':
|
|
case '©mod':
|
|
case '©PRD':
|
|
case '©swr':
|
|
case '©aut':
|
|
case '©ART':
|
|
case '©trk':
|
|
case '©alb':
|
|
case '©com':
|
|
case '©gen':
|
|
case '©ope':
|
|
case '©url':
|
|
case '©enc':
|
|
$atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
|
|
$atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2));
|
|
$atom_structure['data'] = substr($atom_data, 4);
|
|
|
|
$atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
|
|
if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
|
|
$info['comments']['language'][] = $atom_structure['language'];
|
|
}
|
|
$this->CopyToAppropriateCommentsSection($atom_name, $atom_structure['data']);
|
|
break;
|
|
|
|
|
|
case 'play': // auto-PLAY atom
|
|
$atom_structure['autoplay'] = (bool)getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
|
|
|
$info_quicktime['autoplay'] = $atom_structure['autoplay'];
|
|
break;
|
|
|
|
|
|
case 'WLOC': // Window LOCation atom
|
|
$atom_structure['location_x'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
|
|
$atom_structure['location_y'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2));
|
|
break;
|
|
|
|
|
|
case 'LOOP': // LOOPing atom
|
|
case 'SelO': // play SELection Only atom
|
|
case 'AllF': // play ALL Frames atom
|
|
$atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data);
|
|
break;
|
|
|
|
|
|
case 'name': //
|
|
case 'MCPS': // Media Cleaner PRo
|
|
case '@PRM': // adobe PReMiere version
|
|
case '@PRQ': // adobe PRemiere Quicktime version
|
|
$atom_structure['data'] = $atom_data;
|
|
break;
|
|
|
|
|
|
case 'cmvd': // Compressed MooV Data atom
|
|
// Code by ubergeekØubergeek*tv based on information from
|
|
// http://developer.apple.com/quicktime/icefloe/dispatch012.html
|
|
$atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
|
|
|
|
$compressed_file_data = substr($atom_data, 4);
|
|
if (!function_exists('gzuncompress')) {
|
|
$getid3->warning('PHP does not have zlib support - cannot decompress MOV atom at offset '.$atom_structure['offset']);
|
|
}
|
|
elseif ($uncompressed_header = @gzuncompress($compressed_file_data)) {
|
|
$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($uncompressed_header, 0, $atom_hierarchy);
|
|
} else {
|
|
$getid3->warning('Error decompressing compressed MOV atom at offset '.$atom_structure['offset']);
|
|
}
|
|
break;
|
|
|
|
|
|
case 'dcom': // Data COMpression atom
|
|
$atom_structure['compression_id'] = $atom_data;
|
|
$atom_structure['compression_text'] = getid3_quicktime::QuicktimeDCOMLookup($atom_data);
|
|
break;
|
|
|
|
|
|
case 'rdrf': // Reference movie Data ReFerence atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3,
|
|
'reference_type_name' => -4,
|
|
'reference_length' => 4,
|
|
)
|
|
);
|
|
|
|
$atom_structure['flags']['internal_data'] = (bool)($atom_structure['flags_raw'] & 0x000001);
|
|
|
|
switch ($atom_structure['reference_type_name']) {
|
|
case 'url ':
|
|
$atom_structure['url'] = $this->NoNullString(substr($atom_data, 12));
|
|
break;
|
|
|
|
case 'alis':
|
|
$atom_structure['file_alias'] = substr($atom_data, 12);
|
|
break;
|
|
|
|
case 'rsrc':
|
|
$atom_structure['resource_alias'] = substr($atom_data, 12);
|
|
break;
|
|
|
|
default:
|
|
$atom_structure['data'] = substr($atom_data, 12);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
|
|
case 'rmqu': // Reference Movie QUality atom
|
|
$atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data);
|
|
break;
|
|
|
|
|
|
case 'rmcs': // Reference Movie Cpu Speed atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3, // hardcoded: 0x0000
|
|
'cpu_speed_rating' => 2
|
|
)
|
|
);
|
|
break;
|
|
|
|
|
|
case 'rmvc': // Reference Movie Version Check atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3, // hardcoded: 0x0000
|
|
'gestalt_selector' => -4,
|
|
'gestalt_value_mask' => 4,
|
|
'gestalt_value' => 4,
|
|
'gestalt_check_type' => 2
|
|
)
|
|
);
|
|
break;
|
|
|
|
|
|
case 'rmcd': // Reference Movie Component check atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3, // hardcoded: 0x0000
|
|
'component_type' => -4,
|
|
'component_subtype' => -4,
|
|
'component_manufacturer' => -4,
|
|
'component_flags_raw' => 4,
|
|
'component_flags_mask' => 4,
|
|
'component_min_version' => 4
|
|
)
|
|
);
|
|
break;
|
|
|
|
|
|
case 'rmdr': // Reference Movie Data Rate atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3, // hardcoded: 0x0000
|
|
'data_rate' => 4
|
|
)
|
|
);
|
|
|
|
$atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10;
|
|
break;
|
|
|
|
|
|
case 'rmla': // Reference Movie Language Atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3, // hardcoded: 0x0000
|
|
'language_id' => 2
|
|
)
|
|
);
|
|
|
|
$atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
|
|
if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
|
|
$info['comments']['language'][] = $atom_structure['language'];
|
|
}
|
|
break;
|
|
|
|
|
|
case 'rmla': // Reference Movie Language Atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3, // hardcoded: 0x0000
|
|
'track_id' => 2
|
|
)
|
|
);
|
|
break;
|
|
|
|
|
|
case 'ptv ': // Print To Video - defines a movie's full screen mode
|
|
// http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'display_size_raw' => 2,
|
|
'reserved_1' => 2, // hardcoded: 0x0000
|
|
'reserved_2' => 2, // hardcoded: 0x0000
|
|
'slide_show_flag' => 1,
|
|
'play_on_open_flag' => 1
|
|
)
|
|
);
|
|
|
|
$atom_structure['flags']['play_on_open'] = (bool)$atom_structure['play_on_open_flag'];
|
|
$atom_structure['flags']['slide_show'] = (bool)$atom_structure['slide_show_flag'];
|
|
|
|
$ptv_lookup[0] = 'normal';
|
|
$ptv_lookup[1] = 'double';
|
|
$ptv_lookup[2] = 'half';
|
|
$ptv_lookup[3] = 'full';
|
|
$ptv_lookup[4] = 'current';
|
|
if (isset($ptv_lookup[$atom_structure['display_size_raw']])) {
|
|
$atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']];
|
|
} else {
|
|
$getid3->warning('unknown "ptv " display constant ('.$atom_structure['display_size_raw'].')');
|
|
}
|
|
break;
|
|
|
|
|
|
case 'stsd': // Sample Table Sample Description atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3, // hardcoded: 0x0000
|
|
'number_entries' => 4
|
|
)
|
|
);
|
|
$stsd_entries_data_offset = 8;
|
|
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
|
|
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure['sample_description_table'][$i], $atom_data, $stsd_entries_data_offset,
|
|
array (
|
|
'size' => 4,
|
|
'data_format' => -4,
|
|
'reserved' => 6,
|
|
'reference_index' => 2
|
|
)
|
|
);
|
|
|
|
$atom_structure['sample_description_table'][$i]['data'] = substr($atom_data, 16+$stsd_entries_data_offset, ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2));
|
|
$stsd_entries_data_offset += 16 + ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2);
|
|
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure['sample_description_table'][$i], $atom_structure['sample_description_table'][$i]['data'], 0,
|
|
array (
|
|
'encoder_version' => 2,
|
|
'encoder_revision' => 2,
|
|
'encoder_vendor' => -4
|
|
)
|
|
);
|
|
|
|
switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) {
|
|
|
|
case "\x00\x00\x00\x00":
|
|
// audio atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure['sample_description_table'][$i], $atom_structure['sample_description_table'][$i]['data'], 8,
|
|
array (
|
|
'audio_channels' => 2,
|
|
'audio_bit_depth' => 2,
|
|
'audio_compression_id' => 2,
|
|
'audio_packet_size' => 2
|
|
)
|
|
);
|
|
|
|
$atom_structure['sample_description_table'][$i]['audio_sample_rate'] = getid3_quicktime::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16, 4));
|
|
|
|
switch ($atom_structure['sample_description_table'][$i]['data_format']) {
|
|
|
|
case 'mp4v':
|
|
$info['fileformat'] = 'mp4';
|
|
throw new getid3_exception('This version of getID3() does not fully support MPEG-4 audio/video streams');
|
|
|
|
case 'qtvr':
|
|
$info['video']['dataformat'] = 'quicktimevr';
|
|
break;
|
|
|
|
case 'mp4a':
|
|
default:
|
|
$info_quicktime['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']);
|
|
$info_quicktime['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate'];
|
|
$info_quicktime['audio']['channels'] = $atom_structure['sample_description_table'][$i]['audio_channels'];
|
|
$info_quicktime['audio']['bit_depth'] = $atom_structure['sample_description_table'][$i]['audio_bit_depth'];
|
|
$info['audio']['codec'] = $info_quicktime['audio']['codec'];
|
|
$info['audio']['sample_rate'] = $info_quicktime['audio']['sample_rate'];
|
|
$info['audio']['channels'] = $info_quicktime['audio']['channels'];
|
|
$info['audio']['bits_per_sample'] = $info_quicktime['audio']['bit_depth'];
|
|
switch ($atom_structure['sample_description_table'][$i]['data_format']) {
|
|
case 'raw ': // PCM
|
|
case 'alac': // Apple Lossless Audio Codec
|
|
$info['audio']['lossless'] = true;
|
|
break;
|
|
default:
|
|
$info['audio']['lossless'] = false;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
switch ($atom_structure['sample_description_table'][$i]['data_format']) {
|
|
case 'mp4s':
|
|
$info['fileformat'] = 'mp4';
|
|
break;
|
|
|
|
default:
|
|
// video atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure['sample_description_table'][$i], $atom_structure['sample_description_table'][$i]['data'], 8,
|
|
array (
|
|
'video_temporal_quality' => 4,
|
|
'video_spatial_quality' => 4,
|
|
'video_frame_width' => 2,
|
|
'video_frame_height' => 2
|
|
)
|
|
);
|
|
$atom_structure['sample_description_table'][$i]['video_resolution_x'] = getid3_quicktime::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20, 4));
|
|
$atom_structure['sample_description_table'][$i]['video_resolution_y'] = getid3_quicktime::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4));
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure['sample_description_table'][$i], $atom_structure['sample_description_table'][$i]['data'], 28,
|
|
array (
|
|
'video_data_size' => 4,
|
|
'video_frame_count' => 2,
|
|
'video_encoder_name_len' => 1
|
|
)
|
|
);
|
|
$atom_structure['sample_description_table'][$i]['video_encoder_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']);
|
|
$atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66, 2));
|
|
$atom_structure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68, 2));
|
|
|
|
$atom_structure['sample_description_table'][$i]['video_pixel_color_type'] = (($atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color');
|
|
$atom_structure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']);
|
|
|
|
if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') {
|
|
$info_quicktime['video']['codec_fourcc'] = $atom_structure['sample_description_table'][$i]['data_format'];
|
|
$info_quicktime['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']);
|
|
$info_quicktime['video']['codec'] = $atom_structure['sample_description_table'][$i]['video_encoder_name'];
|
|
$info_quicktime['video']['color_depth'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'];
|
|
$info_quicktime['video']['color_depth_name'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_name'];
|
|
|
|
$info['video']['codec'] = $info_quicktime['video']['codec'];
|
|
$info['video']['bits_per_sample'] = $info_quicktime['video']['color_depth'];
|
|
}
|
|
$info['video']['lossless'] = false;
|
|
$info['video']['pixel_aspect_ratio'] = (float)1;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) {
|
|
case 'mp4a':
|
|
$info['audio']['dataformat'] = $info_quicktime['audio']['codec'] = 'mp4';
|
|
break;
|
|
|
|
case '3ivx':
|
|
case '3iv1':
|
|
case '3iv2':
|
|
$info['video']['dataformat'] = '3ivx';
|
|
break;
|
|
|
|
case 'xvid':
|
|
$info['video']['dataformat'] = 'xvid';
|
|
break;
|
|
|
|
case 'mp4v':
|
|
$info['video']['dataformat'] = 'mpeg4';
|
|
break;
|
|
|
|
case 'divx':
|
|
case 'div1':
|
|
case 'div2':
|
|
case 'div3':
|
|
case 'div4':
|
|
case 'div5':
|
|
case 'div6':
|
|
//$TDIVXileInfo['video']['dataformat'] = 'divx';
|
|
break;
|
|
|
|
default:
|
|
// do nothing
|
|
break;
|
|
}
|
|
unset($atom_structure['sample_description_table'][$i]['data']);
|
|
}
|
|
break;
|
|
|
|
|
|
case 'stts': // Sample Table Time-to-Sample atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3, // hardcoded: 0x0000
|
|
'number_entries' => 4
|
|
)
|
|
);
|
|
|
|
$stts_entries_data_offset = 8;
|
|
$frame_rate_calculator_array = array ();
|
|
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
|
|
|
|
$atom_structure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atom_data, $stts_entries_data_offset, 4));
|
|
$stts_entries_data_offset += 4;
|
|
|
|
$atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $stts_entries_data_offset, 4));
|
|
$stts_entries_data_offset += 4;
|
|
|
|
if (!empty($info_quicktime['time_scale']) && (@$atoms_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) {
|
|
|
|
$stts_new_framerate = $info_quicktime['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'];
|
|
if ($stts_new_framerate <= 60) {
|
|
// some atoms have durations of "1" giving a very large framerate, which probably is not right
|
|
$info['video']['frame_rate'] = max(@$info['video']['frame_rate'], $stts_new_framerate);
|
|
}
|
|
}
|
|
//@$frame_rate_calculator_array[($info_quicktime['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count'];
|
|
}
|
|
/*
|
|
$stts_frames_total = 0;
|
|
$stts_seconds_total = 0;
|
|
foreach ($frame_rate_calculator_array as $frames_per_second => $frame_count) {
|
|
if (($frames_per_second > 60) || ($frames_per_second < 1)) {
|
|
// not video FPS information, probably audio information
|
|
$stts_frames_total = 0;
|
|
$stts_seconds_total = 0;
|
|
break;
|
|
}
|
|
$stts_frames_total += $frame_count;
|
|
$stts_seconds_total += $frame_count / $frames_per_second;
|
|
}
|
|
if (($stts_frames_total > 0) && ($stts_seconds_total > 0)) {
|
|
if (($stts_frames_total / $stts_seconds_total) > @$info['video']['frame_rate']) {
|
|
$info['video']['frame_rate'] = $stts_frames_total / $stts_seconds_total;
|
|
}
|
|
}
|
|
*/
|
|
break;
|
|
|
|
|
|
case 'stss': // Sample Table Sync Sample (key frames) atom
|
|
/*
|
|
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
|
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
|
$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
|
$stss_entries_data_offset = 8;
|
|
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
|
|
$atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stss_entries_data_offset, 4));
|
|
$stss_entries_data_offset += 4;
|
|
}
|
|
*/
|
|
break;
|
|
|
|
|
|
case 'stsc': // Sample Table Sample-to-Chunk atom
|
|
/*
|
|
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
|
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
|
$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
|
$stsc_entries_data_offset = 8;
|
|
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
|
|
$atom_structure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsc_entries_data_offset, 4));
|
|
$stsc_entries_data_offset += 4;
|
|
$atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsc_entries_data_offset, 4));
|
|
$stsc_entries_data_offset += 4;
|
|
$atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsc_entries_data_offset, 4));
|
|
$stsc_entries_data_offset += 4;
|
|
}
|
|
*/
|
|
break;
|
|
|
|
|
|
case 'stsz': // Sample Table SiZe atom
|
|
/*
|
|
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
|
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
|
$atom_structure['sample_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
|
$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
|
|
$stsz_entries_data_offset = 12;
|
|
if ($atom_structure['sample_size'] == 0) {
|
|
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
|
|
$atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stsz_entries_data_offset, 4));
|
|
$stsz_entries_data_offset += 4;
|
|
}
|
|
}
|
|
*/
|
|
break;
|
|
|
|
|
|
case 'stco': // Sample Table Chunk Offset atom
|
|
/*
|
|
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
|
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
|
$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
|
$stco_entries_data_offset = 8;
|
|
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
|
|
$atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stco_entries_data_offset, 4));
|
|
$stco_entries_data_offset += 4;
|
|
}
|
|
*/
|
|
break;
|
|
|
|
|
|
case 'dref': // Data REFerence atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3, // hardcoded: 0x0000
|
|
'number_entries' => 4
|
|
)
|
|
);
|
|
|
|
$dref_data_offset = 8;
|
|
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
|
|
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure['data_references'][$i], $atom_data, $dref_data_offset,
|
|
array (
|
|
'size' => 4,
|
|
'type' => -4,
|
|
'version' => 1,
|
|
'flags_raw' => 3 // hardcoded: 0x0000
|
|
)
|
|
);
|
|
$dref_data_offset += 12;
|
|
|
|
$atom_structure['data_references'][$i]['data'] = substr($atom_data, $dref_data_offset, ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3));
|
|
$dref_data_offset += ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3);
|
|
|
|
$atom_structure['data_references'][$i]['flags']['self_reference'] = (bool)($atom_structure['data_references'][$i]['flags_raw'] & 0x001);
|
|
}
|
|
break;
|
|
|
|
|
|
case 'gmin': // base Media INformation atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3, // hardcoded: 0x0000
|
|
'graphics_mode' => 2,
|
|
'opcolor_red' => 2,
|
|
'opcolor_green' => 2,
|
|
'opcolor_blue' => 2,
|
|
'balance' => 2,
|
|
'reserved' => 2
|
|
)
|
|
);
|
|
break;
|
|
|
|
|
|
case 'smhd': // Sound Media information HeaDer atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3, // hardcoded: 0x0000
|
|
'balance' => 2,
|
|
'reserved' => 2
|
|
)
|
|
);
|
|
break;
|
|
|
|
|
|
case 'vmhd': // Video Media information HeaDer atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3,
|
|
'graphics_mode' => 2,
|
|
'opcolor_red' => 2,
|
|
'opcolor_green' => 2,
|
|
'opcolor_blue' => 2
|
|
)
|
|
);
|
|
$atom_structure['flags']['no_lean_ahead'] = (bool)($atom_structure['flags_raw'] & 0x001);
|
|
break;
|
|
|
|
|
|
case 'hdlr': // HanDLeR reference atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3, // hardcoded: 0x0000
|
|
'component_type' => -4,
|
|
'component_subtype' => -4,
|
|
'component_manufacturer' => -4,
|
|
'component_flags_raw' => 4,
|
|
'component_flags_mask' => 4
|
|
)
|
|
);
|
|
|
|
$atom_structure['component_name'] = substr(substr($atom_data, 24), 1); /// Pascal2String
|
|
|
|
if (($atom_structure['component_subtype'] == 'STpn') && ($atom_structure['component_manufacturer'] == 'zzzz')) {
|
|
$info['video']['dataformat'] = 'quicktimevr';
|
|
}
|
|
break;
|
|
|
|
|
|
case 'mdhd': // MeDia HeaDer atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3, // hardcoded: 0x0000
|
|
'creation_time' => 4,
|
|
'modify_time' => 4,
|
|
'time_scale' => 4,
|
|
'duration' => 4,
|
|
'language_id' => 2,
|
|
'quality' => 2
|
|
)
|
|
);
|
|
|
|
if ($atom_structure['time_scale'] == 0) {
|
|
throw new getid3_exception('Corrupt Quicktime file: mdhd.time_scale == zero');
|
|
}
|
|
$info_quicktime['time_scale'] = max(@$info['quicktime']['time_scale'], $atom_structure['time_scale']);
|
|
|
|
$atom_structure['creation_time_unix'] = (int)($atom_structure['creation_time'] - 2082844800); // DateMac2Unix()
|
|
$atom_structure['modify_time_unix'] = (int)($atom_structure['modify_time'] - 2082844800); // DateMac2Unix()
|
|
$atom_structure['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale'];
|
|
$atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
|
|
if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
|
|
$info['comments']['language'][] = $atom_structure['language'];
|
|
}
|
|
break;
|
|
|
|
|
|
case 'pnot': // Preview atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'modification_date' => 4, // "standard Macintosh format"
|
|
'version_number' => 2, // hardcoded: 0x00
|
|
'atom_type' => -4, // usually: 'PICT'
|
|
'atom_index' => 2 // usually: 0x01
|
|
)
|
|
);
|
|
$atom_structure['modification_date_unix'] = (int)($atom_structure['modification_date'] - 2082844800); // DateMac2Unix()
|
|
break;
|
|
|
|
|
|
case 'crgn': // Clipping ReGioN atom
|
|
$atom_structure['region_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); // The Region size, Region boundary box,
|
|
$atom_structure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 8)); // and Clipping region data fields
|
|
$atom_structure['clipping_data'] = substr($atom_data, 10); // constitute a QuickDraw region.
|
|
break;
|
|
|
|
|
|
case 'load': // track LOAD settings atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'preload_start_time' => 4,
|
|
'preload_duration' => 4,
|
|
'preload_flags_raw' => 4,
|
|
'default_hints_raw' => 4
|
|
)
|
|
);
|
|
|
|
$atom_structure['default_hints']['double_buffer'] = (bool)($atom_structure['default_hints_raw'] & 0x0020);
|
|
$atom_structure['default_hints']['high_quality'] = (bool)($atom_structure['default_hints_raw'] & 0x0100);
|
|
break;
|
|
|
|
|
|
case 'tmcd': // TiMe CoDe atom
|
|
case 'chap': // CHAPter list atom
|
|
case 'sync': // SYNChronization atom
|
|
case 'scpt': // tranSCriPT atom
|
|
case 'ssrc': // non-primary SouRCe atom
|
|
for ($i = 0; $i < (strlen($atom_data) % 4); $i++) {
|
|
$atom_structure['track_id'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $i * 4, 4));
|
|
}
|
|
break;
|
|
|
|
|
|
case 'elst': // Edit LiST atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3, // hardcoded: 0x0000
|
|
'number_entries' => 4
|
|
)
|
|
);
|
|
|
|
for ($i = 0; $i < $atom_structure['number_entries']; $i++ ) {
|
|
$atom_structure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 0, 4));
|
|
$atom_structure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 4, 4));
|
|
$atom_structure['edit_list'][$i]['media_rate'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 8 + ($i * 12) + 8, 4));
|
|
}
|
|
break;
|
|
|
|
|
|
case 'kmat': // compressed MATte atom
|
|
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
|
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
|
$atom_structure['matte_data_raw'] = substr($atom_data, 4);
|
|
break;
|
|
|
|
|
|
case 'ctab': // Color TABle atom
|
|
$atom_structure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // hardcoded: 0x00000000
|
|
$atom_structure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x8000
|
|
$atom_structure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)) + 1;
|
|
for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) {
|
|
$atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 0, 2));
|
|
$atom_structure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 2, 2));
|
|
$atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 4, 2));
|
|
$atom_structure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 6, 2));
|
|
}
|
|
break;
|
|
|
|
|
|
case 'mvhd': // MoVie HeaDer atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3,
|
|
'creation_time' => 4,
|
|
'modify_time' => 4,
|
|
'time_scale' => 4,
|
|
'duration' => 4
|
|
)
|
|
);
|
|
|
|
$atom_structure['preferred_rate'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 20, 4));
|
|
$atom_structure['preferred_volume'] = getid3_quicktime::FixedPoint8_8(substr($atom_data, 24, 2));
|
|
$atom_structure['reserved'] = substr($atom_data, 26, 10);
|
|
$atom_structure['matrix_a'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 36, 4));
|
|
$atom_structure['matrix_b'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 40, 4));
|
|
$atom_structure['matrix_u'] = getid3_quicktime::FixedPoint2_30(substr($atom_data, 44, 4));
|
|
$atom_structure['matrix_c'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 48, 4));
|
|
$atom_structure['matrix_d'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 52, 4));
|
|
$atom_structure['matrix_v'] = getid3_quicktime::FixedPoint2_30(substr($atom_data, 56, 4));
|
|
$atom_structure['matrix_x'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 60, 4));
|
|
$atom_structure['matrix_y'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 64, 4));
|
|
$atom_structure['matrix_w'] = getid3_quicktime::FixedPoint2_30(substr($atom_data, 68, 4));
|
|
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 72,
|
|
array (
|
|
'preview_time' => 4,
|
|
'preview_duration' => 4,
|
|
'poster_time' => 4,
|
|
'selection_time' => 4,
|
|
'selection_duration' => 4,
|
|
'current_time' => 4,
|
|
'next_track_id' => 4
|
|
)
|
|
);
|
|
|
|
if ($atom_structure['time_scale'] == 0) {
|
|
throw new getid3_exception('Corrupt Quicktime file: mvhd.time_scale == zero');
|
|
}
|
|
|
|
$atom_structure['creation_time_unix'] = (int)($atom_structure['creation_time'] - 2082844800); // DateMac2Unix()
|
|
$atom_structure['modify_time_unix'] = (int)($atom_structure['modify_time'] - 2082844800); // DateMac2Unix()
|
|
$info_quicktime['time_scale'] = max(@$info['quicktime']['time_scale'], $atom_structure['time_scale']);
|
|
$info_quicktime['display_scale'] = $atom_structure['matrix_a'];
|
|
$info['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale'];
|
|
break;
|
|
|
|
|
|
case 'tkhd': // TracK HeaDer atom
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'version' => 1,
|
|
'flags_raw' => 3,
|
|
'creation_time' => 4,
|
|
'modify_time' => 4,
|
|
'trackid' => 4,
|
|
'reserved1' => 4,
|
|
'duration' => 4,
|
|
'reserved2' => 8,
|
|
'layer' => 2,
|
|
'alternate_group' => 2
|
|
)
|
|
);
|
|
|
|
$atom_structure['volume'] = getid3_quicktime::FixedPoint8_8(substr($atom_data, 36, 2));
|
|
$atom_structure['reserved3'] = getid3_lib::BigEndian2Int(substr($atom_data, 38, 2));
|
|
$atom_structure['matrix_a'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 40, 4));
|
|
$atom_structure['matrix_b'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 44, 4));
|
|
$atom_structure['matrix_u'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 48, 4));
|
|
$atom_structure['matrix_c'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 52, 4));
|
|
$atom_structure['matrix_v'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 56, 4));
|
|
$atom_structure['matrix_d'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 60, 4));
|
|
$atom_structure['matrix_x'] = getid3_quicktime::FixedPoint2_30(substr($atom_data, 64, 4));
|
|
$atom_structure['matrix_y'] = getid3_quicktime::FixedPoint2_30(substr($atom_data, 68, 4));
|
|
$atom_structure['matrix_w'] = getid3_quicktime::FixedPoint2_30(substr($atom_data, 72, 4));
|
|
$atom_structure['width'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 76, 4));
|
|
$atom_structure['height'] = getid3_quicktime::FixedPoint16_16(substr($atom_data, 80, 4));
|
|
|
|
$atom_structure['flags']['enabled'] = (bool)($atom_structure['flags_raw'] & 0x0001);
|
|
$atom_structure['flags']['in_movie'] = (bool)($atom_structure['flags_raw'] & 0x0002);
|
|
$atom_structure['flags']['in_preview'] = (bool)($atom_structure['flags_raw'] & 0x0004);
|
|
$atom_structure['flags']['in_poster'] = (bool)($atom_structure['flags_raw'] & 0x0008);
|
|
$atom_structure['creation_time_unix'] = (int)($atom_structure['creation_time'] - 2082844800); // DateMac2Unix()
|
|
$atom_structure['modify_time_unix'] = (int)($atom_structure['modify_time'] - 2082844800); // DateMac2Unix()
|
|
|
|
if (!isset($info['video']['resolution_x']) || !isset($info['video']['resolution_y'])) {
|
|
$info['video']['resolution_x'] = $atom_structure['width'];
|
|
$info['video']['resolution_y'] = $atom_structure['height'];
|
|
}
|
|
|
|
if ($atom_structure['flags']['enabled'] == 1) {
|
|
$info['video']['resolution_x'] = max($info['video']['resolution_x'], $atom_structure['width']);
|
|
$info['video']['resolution_y'] = max($info['video']['resolution_y'], $atom_structure['height']);
|
|
}
|
|
|
|
if (!empty($info['video']['resolution_x']) && !empty($info['video']['resolution_y'])) {
|
|
$info_quicktime['video']['resolution_x'] = $info['video']['resolution_x'];
|
|
$info_quicktime['video']['resolution_y'] = $info['video']['resolution_y'];
|
|
} else {
|
|
unset($info['video']['resolution_x']);
|
|
unset($info['video']['resolution_y']);
|
|
unset($info_quicktime['video']);
|
|
}
|
|
break;
|
|
|
|
|
|
case 'meta': // METAdata atom
|
|
// http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt
|
|
$next_tag_position = strpos($atom_data, '©');
|
|
while ($next_tag_position < strlen($atom_data)) {
|
|
$meta_item_size = getid3_lib::BigEndian2Int(substr($atom_data, $next_tag_position - 4, 4)) - 4;
|
|
if ($meta_item_size == -4) {
|
|
break;
|
|
}
|
|
$meta_item_raw = substr($atom_data, $next_tag_position, $meta_item_size);
|
|
$meta_item_key = substr($meta_item_raw, 0, 4);
|
|
$meta_item_data = substr($meta_item_raw, 20);
|
|
$next_tag_position += $meta_item_size + 4;
|
|
|
|
$this->CopyToAppropriateCommentsSection($meta_item_key, $meta_item_data);
|
|
}
|
|
break;
|
|
|
|
case 'ftyp': // FileTYPe (?) atom (for MP4 it seems)
|
|
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0,
|
|
array (
|
|
'signature' => -4,
|
|
'unknown_1' => 4,
|
|
'fourcc' => -4,
|
|
)
|
|
);
|
|
break;
|
|
|
|
case 'mdat': // Media DATa atom
|
|
case 'free': // FREE space atom
|
|
case 'skip': // SKIP atom
|
|
case 'wide': // 64-bit expansion placeholder atom
|
|
// 'mdat' data is too big to deal with, contains no useful metadata
|
|
// 'free', 'skip' and 'wide' are just padding, contains no useful data at all
|
|
|
|
// When writing QuickTime files, it is sometimes necessary to update an atom's size.
|
|
// It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom
|
|
// is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime
|
|
// puts an 8-byte placeholder atom before any atoms it may have to update the size of.
|
|
// In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the
|
|
// placeholder atom can be overwritten to obtain the necessary 8 extra bytes.
|
|
// The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ).
|
|
break;
|
|
|
|
|
|
case 'nsav': // NoSAVe atom
|
|
// http://developer.apple.com/technotes/tn/tn2038.html
|
|
$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
|
|
break;
|
|
|
|
case 'ctyp': // Controller TYPe atom (seen on QTVR)
|
|
// http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt
|
|
// some controller names are:
|
|
// 0x00 + 'std' for linear movie
|
|
// 'none' for no controls
|
|
$atom_structure['ctyp'] = substr($atom_data, 0, 4);
|
|
switch ($atom_structure['ctyp']) {
|
|
case 'qtvr':
|
|
$info['video']['dataformat'] = 'quicktimevr';
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 'pano': // PANOrama track (seen on QTVR)
|
|
$atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
|
|
break;
|
|
|
|
case 'hint': // HINT track
|
|
case 'hinf': //
|
|
case 'hinv': //
|
|
case 'hnti': //
|
|
$info['quicktime']['hinting'] = true;
|
|
break;
|
|
|
|
case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR)
|
|
for ($i = 0; $i < ($atom_structure['size'] - 8); $i += 4) {
|
|
$atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4));
|
|
}
|
|
break;
|
|
|
|
case 'FXTC': // Something to do with Adobe After Effects (?)
|
|
case 'PrmA':
|
|
case 'code':
|
|
case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html
|
|
// Observed-but-not-handled atom types are just listed here
|
|
// to prevent warnings being generated
|
|
$atom_structure['data'] = $atom_data;
|
|
break;
|
|
|
|
default:
|
|
$getid3->warning('Unknown QuickTime atom type: "'.$atom_name.'" at offset '.$base_offset);
|
|
$atom_structure['data'] = $atom_data;
|
|
break;
|
|
}
|
|
array_pop($atom_hierarchy);
|
|
return $atom_structure;
|
|
}
|
|
|
|
|
|
|
|
private function QuicktimeParseContainerAtom($atom_data, $base_offset, &$atom_hierarchy) {
|
|
|
|
if ((strlen($atom_data) == 4) && (getid3_lib::BigEndian2Int($atom_data) == 0x00000000)) {
|
|
return false;
|
|
}
|
|
|
|
$atom_structure = false;
|
|
$subatom_offset = 0;
|
|
|
|
while ($subatom_offset < strlen($atom_data)) {
|
|
|
|
$subatom_size = getid3_lib::BigEndian2Int(substr($atom_data, $subatom_offset + 0, 4));
|
|
$subatom_name = substr($atom_data, $subatom_offset + 4, 4);
|
|
$subatom_data = substr($atom_data, $subatom_offset + 8, $subatom_size - 8);
|
|
|
|
if ($subatom_size == 0) {
|
|
// Furthermore, for historical reasons the list of atoms is optionally
|
|
// terminated by a 32-bit integer set to 0. If you are writing a program
|
|
// to read user data atoms, you should allow for the terminating 0.
|
|
return $atom_structure;
|
|
}
|
|
|
|
$atom_structure[] = $this->QuicktimeParseAtom($subatom_name, $subatom_size, $subatom_data, $base_offset + $subatom_offset, $atom_hierarchy);
|
|
|
|
$subatom_offset += $subatom_size;
|
|
}
|
|
return $atom_structure;
|
|
}
|
|
|
|
|
|
|
|
private function CopyToAppropriateCommentsSection($key_name, $data) {
|
|
|
|
// http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt
|
|
|
|
static $translator = array (
|
|
'©cpy' => 'copyright',
|
|
'©day' => 'creation_date',
|
|
'©dir' => 'director',
|
|
'©ed1' => 'edit1',
|
|
'©ed2' => 'edit2',
|
|
'©ed3' => 'edit3',
|
|
'©ed4' => 'edit4',
|
|
'©ed5' => 'edit5',
|
|
'©ed6' => 'edit6',
|
|
'©ed7' => 'edit7',
|
|
'©ed8' => 'edit8',
|
|
'©ed9' => 'edit9',
|
|
'©fmt' => 'format',
|
|
'©inf' => 'information',
|
|
'©prd' => 'producer',
|
|
'©prf' => 'performers',
|
|
'©req' => 'system_requirements',
|
|
'©src' => 'source_credit',
|
|
'©wrt' => 'writer',
|
|
'©nam' => 'title',
|
|
'©cmt' => 'comment',
|
|
'©wrn' => 'warning',
|
|
'©hst' => 'host_computer',
|
|
'©mak' => 'make',
|
|
'©mod' => 'model',
|
|
'©PRD' => 'product',
|
|
'©swr' => 'software',
|
|
'©aut' => 'author',
|
|
'©ART' => 'artist',
|
|
'©trk' => 'track',
|
|
'©alb' => 'album',
|
|
'©com' => 'comment',
|
|
'©gen' => 'genre',
|
|
'©ope' => 'composer',
|
|
'©url' => 'url',
|
|
'©enc' => 'encoder'
|
|
);
|
|
|
|
if (isset($translator[$key_name])) {
|
|
$this->getid3->info['quicktime']['comments'][$translator[$key_name]][] = $data;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
public static function QuicktimeLanguageLookup($language_id) {
|
|
|
|
static $lookup = array (
|
|
0 => 'English',
|
|
1 => 'French',
|
|
2 => 'German',
|
|
3 => 'Italian',
|
|
4 => 'Dutch',
|
|
5 => 'Swedish',
|
|
6 => 'Spanish',
|
|
7 => 'Danish',
|
|
8 => 'Portuguese',
|
|
9 => 'Norwegian',
|
|
10 => 'Hebrew',
|
|
11 => 'Japanese',
|
|
12 => 'Arabic',
|
|
13 => 'Finnish',
|
|
14 => 'Greek',
|
|
15 => 'Icelandic',
|
|
16 => 'Maltese',
|
|
17 => 'Turkish',
|
|
18 => 'Croatian',
|
|
19 => 'Chinese (Traditional)',
|
|
20 => 'Urdu',
|
|
21 => 'Hindi',
|
|
22 => 'Thai',
|
|
23 => 'Korean',
|
|
24 => 'Lithuanian',
|
|
25 => 'Polish',
|
|
26 => 'Hungarian',
|
|
27 => 'Estonian',
|
|
28 => 'Lettish',
|
|
28 => 'Latvian',
|
|
29 => 'Saamisk',
|
|
29 => 'Lappish',
|
|
30 => 'Faeroese',
|
|
31 => 'Farsi',
|
|
31 => 'Persian',
|
|
32 => 'Russian',
|
|
33 => 'Chinese (Simplified)',
|
|
34 => 'Flemish',
|
|
35 => 'Irish',
|
|
36 => 'Albanian',
|
|
37 => 'Romanian',
|
|
38 => 'Czech',
|
|
39 => 'Slovak',
|
|
40 => 'Slovenian',
|
|
41 => 'Yiddish',
|
|
42 => 'Serbian',
|
|
43 => 'Macedonian',
|
|
44 => 'Bulgarian',
|
|
45 => 'Ukrainian',
|
|
46 => 'Byelorussian',
|
|
47 => 'Uzbek',
|
|
48 => 'Kazakh',
|
|
49 => 'Azerbaijani',
|
|
50 => 'AzerbaijanAr',
|
|
51 => 'Armenian',
|
|
52 => 'Georgian',
|
|
53 => 'Moldavian',
|
|
54 => 'Kirghiz',
|
|
55 => 'Tajiki',
|
|
56 => 'Turkmen',
|
|
57 => 'Mongolian',
|
|
58 => 'MongolianCyr',
|
|
59 => 'Pashto',
|
|
60 => 'Kurdish',
|
|
61 => 'Kashmiri',
|
|
62 => 'Sindhi',
|
|
63 => 'Tibetan',
|
|
64 => 'Nepali',
|
|
65 => 'Sanskrit',
|
|
66 => 'Marathi',
|
|
67 => 'Bengali',
|
|
68 => 'Assamese',
|
|
69 => 'Gujarati',
|
|
70 => 'Punjabi',
|
|
71 => 'Oriya',
|
|
72 => 'Malayalam',
|
|
73 => 'Kannada',
|
|
74 => 'Tamil',
|
|
75 => 'Telugu',
|
|
76 => 'Sinhalese',
|
|
77 => 'Burmese',
|
|
78 => 'Khmer',
|
|
79 => 'Lao',
|
|
80 => 'Vietnamese',
|
|
81 => 'Indonesian',
|
|
82 => 'Tagalog',
|
|
83 => 'MalayRoman',
|
|
84 => 'MalayArabic',
|
|
85 => 'Amharic',
|
|
86 => 'Tigrinya',
|
|
87 => 'Galla',
|
|
87 => 'Oromo',
|
|
88 => 'Somali',
|
|
89 => 'Swahili',
|
|
90 => 'Ruanda',
|
|
91 => 'Rundi',
|
|
92 => 'Chewa',
|
|
93 => 'Malagasy',
|
|
94 => 'Esperanto',
|
|
128 => 'Welsh',
|
|
129 => 'Basque',
|
|
130 => 'Catalan',
|
|
131 => 'Latin',
|
|
132 => 'Quechua',
|
|
133 => 'Guarani',
|
|
134 => 'Aymara',
|
|
135 => 'Tatar',
|
|
136 => 'Uighur',
|
|
137 => 'Dzongkha',
|
|
138 => 'JavaneseRom'
|
|
);
|
|
|
|
return (isset($lookup[$language_id]) ? $lookup[$language_id] : 'invalid');
|
|
}
|
|
|
|
|
|
|
|
public static function QuicktimeVideoCodecLookup($codec_id) {
|
|
|
|
static $lookup = array (
|
|
'3IVX' => '3ivx MPEG-4',
|
|
'3IV1' => '3ivx MPEG-4 v1',
|
|
'3IV2' => '3ivx MPEG-4 v2',
|
|
'avr ' => 'AVR-JPEG',
|
|
'base' => 'Base',
|
|
'WRLE' => 'BMP',
|
|
'cvid' => 'Cinepak',
|
|
'clou' => 'Cloud',
|
|
'cmyk' => 'CMYK',
|
|
'yuv2' => 'ComponentVideo',
|
|
'yuvu' => 'ComponentVideoSigned',
|
|
'yuvs' => 'ComponentVideoUnsigned',
|
|
'dvc ' => 'DVC-NTSC',
|
|
'dvcp' => 'DVC-PAL',
|
|
'dvpn' => 'DVCPro-NTSC',
|
|
'dvpp' => 'DVCPro-PAL',
|
|
'fire' => 'Fire',
|
|
'flic' => 'FLC',
|
|
'b48r' => '48RGB',
|
|
'gif ' => 'GIF',
|
|
'smc ' => 'Graphics',
|
|
'h261' => 'H261',
|
|
'h263' => 'H263',
|
|
'IV41' => 'Indeo4',
|
|
'jpeg' => 'JPEG',
|
|
'PNTG' => 'MacPaint',
|
|
'msvc' => 'Microsoft Video1',
|
|
'mjpa' => 'Motion JPEG-A',
|
|
'mjpb' => 'Motion JPEG-B',
|
|
'myuv' => 'MPEG YUV420',
|
|
'dmb1' => 'OpenDML JPEG',
|
|
'kpcd' => 'PhotoCD',
|
|
'8BPS' => 'Planar RGB',
|
|
'png ' => 'PNG',
|
|
'qdrw' => 'QuickDraw',
|
|
'qdgx' => 'QuickDrawGX',
|
|
'raw ' => 'RAW',
|
|
'.SGI' => 'SGI',
|
|
'b16g' => '16Gray',
|
|
'b64a' => '64ARGB',
|
|
'SVQ1' => 'Sorenson Video 1',
|
|
'SVQ1' => 'Sorenson Video 3',
|
|
'syv9' => 'Sorenson YUV9',
|
|
'tga ' => 'Targa',
|
|
'b32a' => '32AlphaGray',
|
|
'tiff' => 'TIFF',
|
|
'path' => 'Vector',
|
|
'rpza' => 'Video',
|
|
'ripl' => 'WaterRipple',
|
|
'WRAW' => 'Windows RAW',
|
|
'y420' => 'YUV420'
|
|
);
|
|
|
|
return (isset($lookup[$codec_id]) ? $lookup[$codec_id] : '');
|
|
}
|
|
|
|
|
|
|
|
public static function QuicktimeAudioCodecLookup($codec_id) {
|
|
|
|
static $lookup = array (
|
|
'.mp3' => 'Fraunhofer MPEG Layer-III alias',
|
|
'aac ' => 'ISO/IEC 14496-3 AAC',
|
|
'agsm' => 'Apple GSM 10:1',
|
|
'alac' => 'Apple Lossless Audio Codec',
|
|
'alaw' => 'A-law 2:1',
|
|
'conv' => 'Sample Format',
|
|
'dvca' => 'DV',
|
|
'dvi ' => 'DV 4:1',
|
|
'eqal' => 'Frequency Equalizer',
|
|
'fl32' => '32-bit Floating Point',
|
|
'fl64' => '64-bit Floating Point',
|
|
'ima4' => 'Interactive Multimedia Association 4:1',
|
|
'in24' => '24-bit Integer',
|
|
'in32' => '32-bit Integer',
|
|
'lpc ' => 'LPC 23:1',
|
|
'MAC3' => 'Macintosh Audio Compression/Expansion (MACE) 3:1',
|
|
'MAC6' => 'Macintosh Audio Compression/Expansion (MACE) 6:1',
|
|
'mixb' => '8-bit Mixer',
|
|
'mixw' => '16-bit Mixer',
|
|
'mp4a' => 'ISO/IEC 14496-3 AAC',
|
|
"MS'\x00\x02" => 'Microsoft ADPCM',
|
|
"MS'\x00\x11" => 'DV IMA',
|
|
"MS\x00\x55" => 'Fraunhofer MPEG Layer III',
|
|
'NONE' => 'No Encoding',
|
|
'Qclp' => 'Qualcomm PureVoice',
|
|
'QDM2' => 'QDesign Music 2',
|
|
'QDMC' => 'QDesign Music 1',
|
|
'ratb' => '8-bit Rate',
|
|
'ratw' => '16-bit Rate',
|
|
'raw ' => 'raw PCM',
|
|
'sour' => 'Sound Source',
|
|
'sowt' => 'signed/two\'s complement (Little Endian)',
|
|
'str1' => 'Iomega MPEG layer II',
|
|
'str2' => 'Iomega MPEG *layer II',
|
|
'str3' => 'Iomega MPEG **layer II',
|
|
'str4' => 'Iomega MPEG ***layer II',
|
|
'twos' => 'signed/two\'s complement (Big Endian)',
|
|
'ulaw' => 'mu-law 2:1',
|
|
);
|
|
|
|
return (isset($lookup[$codec_id]) ? $lookup[$codec_id] : '');
|
|
}
|
|
|
|
|
|
|
|
public static function QuicktimeDCOMLookup($compression_id) {
|
|
|
|
static $lookup = array (
|
|
'zlib' => 'ZLib Deflate',
|
|
'adec' => 'Apple Compression'
|
|
);
|
|
|
|
return (isset($lookup[$compression_id]) ? $lookup[$compression_id] : '');
|
|
}
|
|
|
|
|
|
|
|
public static function QuicktimeColorNameLookup($color_depth_id) {
|
|
|
|
static $lookup = array (
|
|
1 => '2-color (monochrome)',
|
|
2 => '4-color',
|
|
4 => '16-color',
|
|
8 => '256-color',
|
|
16 => 'thousands (16-bit color)',
|
|
24 => 'millions (24-bit color)',
|
|
32 => 'millions+ (32-bit color)',
|
|
33 => 'black & white',
|
|
34 => '4-gray',
|
|
36 => '16-gray',
|
|
40 => '256-gray',
|
|
);
|
|
|
|
return (isset($lookup[$color_depth_id]) ? $lookup[$color_depth_id] : 'invalid');
|
|
}
|
|
|
|
|
|
|
|
public static function NoNullString($null_terminated_string) {
|
|
|
|
// remove the single null terminator on null terminated strings
|
|
if (substr($null_terminated_string, strlen($null_terminated_string) - 1, 1) === "\x00") {
|
|
return substr($null_terminated_string, 0, strlen($null_terminated_string) - 1);
|
|
}
|
|
|
|
return $null_terminated_string;
|
|
}
|
|
|
|
|
|
|
|
public static function FixedPoint8_8($raw_data) {
|
|
|
|
return getid3_lib::BigEndian2Int($raw_data{0}) + (float)(getid3_lib::BigEndian2Int($raw_data{1}) / 256);
|
|
}
|
|
|
|
|
|
|
|
public static function FixedPoint16_16($raw_data) {
|
|
|
|
return getid3_lib::BigEndian2Int(substr($raw_data, 0, 2)) + (float)(getid3_lib::BigEndian2Int(substr($raw_data, 2, 2)) / 65536);
|
|
}
|
|
|
|
|
|
|
|
public static function FixedPoint2_30($raw_data) {
|
|
|
|
$binary_string = getid3_lib::BigEndian2Bin($raw_data);
|
|
return bindec(substr($binary_string, 0, 2)) + (float)(bindec(substr($binary_string, 2, 30)) / 1073741824);
|
|
}
|
|
|
|
}
|
|
|
|
?>
|