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
// MOVie container atom
case 'trak':
// TRAcK container atom
// TRAcK container atom
case 'clip':
// CLIPping container atom
// CLIPping container atom
case 'matt':
// track MATTe container atom
// track MATTe container atom
case 'edts':
// EDiTS container atom
// EDiTS container atom
case 'tref':
// Track REFerence container atom
// Track REFerence container atom
case 'mdia':
// MeDIA container atom
// MeDIA container atom
case 'minf':
// Media INFormation container atom
// Media INFormation container atom
case 'dinf':
// Data INFormation container atom
// Data INFormation container atom
case 'udta':
// User DaTA container atom
// User DaTA container atom
case 'stbl':
// Sample TaBLe container atom
// Sample TaBLe container atom
case 'cmov':
// Compressed MOVie container atom
// Compressed MOVie container atom
case 'rmra':
// Reference Movie Record Atom
// Reference Movie Record Atom
case 'rmda':
// Reference Movie Descriptor Atom
// 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
// LOOPing atom
case 'SelO':
// play SELection Only atom
// 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
// Media Cleaner PRo
case '@PRM':
// adobe PReMiere version
// 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'] & 0x1);
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, '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, '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, '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, '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, '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, '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, 'reserved_2' => 2, '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, '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 "":
// 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
// 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;
$info['video']['pixel_aspect_ratio'] = (double) 1;
break;
}
break;
}
switch (strtolower($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, '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, '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));
$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'] & 0x1);
}
break;
case 'gmin':
// base Media INformation 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, '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, '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'] & 0x1);
break;
case 'hdlr':
// HanDLeR reference atom
getid3_lib::ReadSequence('BigEndian2Int', $atom_structure, $atom_data, 0, array('version' => 1, 'flags_raw' => 3, '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, $atom_data, 0, array('version' => 1, 'flags_raw' => 3, 'creation_time' => 4, 'modify_time' => 4, 'time_scale' => 4, 'duration' => 4, 'language_id' => 2, 'quality' => 2));
if ($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, 'version_number' => 2, 'atom_type' => -4, 'atom_index' => 2));
$atom_structure['modification_date_unix'] = (int) ($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'] & 0x20);
$atom_structure['default_hints']['high_quality'] = (bool) ($atom_structure['default_hints_raw'] & 0x100);
break;
case 'tmcd':
// TiMe CoDe atom
// TiMe CoDe atom
case 'chap':
// CHAPter list atom
// CHAPter list atom
case 'sync':
// SYNChronization atom
// SYNChronization atom
case 'scpt':
// tranSCriPT atom
// 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, $atom_data, 0, array('version' => 1, 'flags_raw' => 3, 'number_entries' => 4));
for ($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'] & 0x1);
$atom_structure['flags']['in_movie'] = (bool) ($atom_structure['flags_raw'] & 0x2);
$atom_structure['flags']['in_preview'] = (bool) ($atom_structure['flags_raw'] & 0x4);
$atom_structure['flags']['in_poster'] = (bool) ($atom_structure['flags_raw'] & 0x8);
$atom_structure['creation_time_unix'] = (int) ($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
// Media DATa atom
case 'free':
// FREE space atom
// FREE space atom
case 'skip':
// SKIP atom
// 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
// 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 (?)
// 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 $atom_structure;
}
function process_notification($notification)
{
do_action('waz_before_process_notification', $notification);
$ids = $this->get_site_and_post_id_from_job_id($notification->job->id);
$post_id = $ids['post'];
$site_id = $ids['site'];
$switched = false;
if (0 != $site_id) {
switch_to_blog($site_id);
$switched = true;
}
// If you're encoding to multiple outputs and only care when all of the outputs are finished
// you can check if the entire job is finished.
if (0 !== $ids['post'] && $notification->job->state == "finished") {
$output = $notification->job->outputs['web'];
// Get the Attachment
$meta = $_meta = wp_get_attachment_metadata($post_id);
require_once ABSPATH . '/wp-includes/ID3/getid3.lib.php';
require_once ABSPATH . '/wp-includes/ID3/getid3.php';
require_once ABSPATH . '/wp-includes/ID3/module.audio-video.quicktime.php';
// Let's start modifying the metadata
// TODO figure out a viable way to use built in WP ID3
$meta['filesize'] = $output->file_size_in_bytes;
$meta['mime_type'] = 'video/mp4';
$meta['length'] = ceil($output->duration_in_ms * 0.001);
$meta['length_formatted'] = getid3_lib::PlaytimeString($meta['length']);
$meta['width'] = $output->width;
$meta['height'] = $output->height;
$meta['fileformat'] = 'mp4';
$meta['dataformat'] = $output->format;
$meta['codec'] = $output->video_codec;
// TODO this needs to take into consideration other file formats
// other than quicktime
$id3 = new getID3();
$qt = new getid3_quicktime($id3);
$meta['audio'] = array('dataformat' => $output->audio_codec, 'codec' => $qt->QuicktimeAudioCodecLookup($output->audio_codec), 'sample_rate' => $output->audio_sample_rate, 'channels' => $output->channels, 'lossless' => false, 'channelmode' => 'stereo');
// Update the Metadata
wp_update_attachment_metadata($post_id, $meta);
// Video has been encoded, here's the meta data
do_action('waz_video_encoded', $post_id, $meta);
// Let's update the S3 information
$s3info = $_s3info = get_post_meta($post_id, 'amazonS3_info', true);
$parsed = parse_url($output->url);
$host = explode('.', $parsed['host']);
$key = ltrim($parsed['path'], '/');
$s3info['bucket'] = $host[0];
$s3info['key'] = $key;
// Update S3 to point to new file
update_post_meta($post_id, 'amazonS3_info', $s3info);
// Save original file for later
update_post_meta($post_id, 'waz_original', $_s3info);
// And we're done!
update_post_meta($post_id, 'waz_encode_status', 'finished');
// Clean up after ourselves
delete_site_option('waz_job_' . $notification->job->id . '_blog_id');
// Delete the original file
$this->delete_attachment($post_id);
foreach ($ids as $key => $id) {
echo ucfirst($key) . ': ' . $id . "\n";
}
} else {
update_post_meta($post_id, 'waz_encode_status', 'failed');
update_post_meta($post_id, 'waz_notification_response', $notification);
}
echo 'Received!';
if ($switched) {
restore_current_blog();
}
do_action('waz_after_process_notification', $notification);
die(0);
}
