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Diffstat (limited to 'modules/getid3/module.audio-video.riff.php')
-rw-r--r--modules/getid3/module.audio-video.riff.php366
1 files changed, 183 insertions, 183 deletions
diff --git a/modules/getid3/module.audio-video.riff.php b/modules/getid3/module.audio-video.riff.php
index 5cecd67c..6da6b3bf 100644
--- a/modules/getid3/module.audio-video.riff.php
+++ b/modules/getid3/module.audio-video.riff.php
@@ -26,8 +26,8 @@
//
// $Id: module.audio-video.riff.php,v 1.10 2006/12/03 20:13:17 ah Exp $
-
-
+
+
class getid3_riff extends getid3_handler
{
@@ -35,7 +35,7 @@ class getid3_riff extends getid3_handler
public function Analyze() {
-
+
$getid3 = $this->getid3;
$getid3->info['riff']['raw'] = array ();
@@ -53,11 +53,11 @@ class getid3_riff extends getid3_handler
$this->fseek($info_avdataoffset, SEEK_SET);
$riff_header = $this->fread(12);
-
+
$riff_sub_type = substr($riff_header, 8, 4);
-
+
switch (substr($riff_header, 0, 4)) {
-
+
case 'FORM':
$getid3->info['fileformat'] = 'aiff';
$this->endian_function = 'BigEndian2Int';
@@ -89,18 +89,18 @@ class getid3_riff extends getid3_handler
default:
throw new getid3_exception('Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?) - expecting "FORM|RIFF|SDSS|RMP3" found "'.$riff_sub_type.'" instead');
}
-
+
$endian_function = $this->endian_function;
$stream_index = 0;
switch ($riff_sub_type) {
case 'WAVE':
-
+
if (empty($info_audio['bitrate_mode'])) {
$info_audio['bitrate_mode'] = 'cbr';
}
-
+
if (empty($info_audio_dataformat)) {
$info_audio_dataformat = 'wav';
}
@@ -109,9 +109,9 @@ class getid3_riff extends getid3_handler
$info_avdataoffset = $info_riff_wave['data'][0]['offset'] + 8;
$info_avdataend = $info_avdataoffset + $info_riff_wave['data'][0]['size'];
}
-
+
if (isset($info_riff_wave['fmt '][0]['data'])) {
-
+
$info_riff_audio[$stream_index] = getid3_riff::RIFFparseWAVEFORMATex($info_riff_wave['fmt '][0]['data']);
$info_audio['wformattag'] = $info_riff_audio[$stream_index]['raw']['wFormatTag'];
$info_riff_raw['fmt '] = $info_riff_audio[$stream_index]['raw'];
@@ -125,11 +125,11 @@ class getid3_riff extends getid3_handler
$info_audio['bitrate'] = $info_riff_audio[$stream_index]['bitrate'];
$getid3->info['playtime_seconds'] = (float)((($info_avdataend - $info_avdataoffset) * 8) / $info_audio['bitrate']);
-
+
$info_audio['lossless'] = false;
if (isset($info_riff_wave['data'][0]['offset']) && isset($info_riff_raw['fmt ']['wFormatTag'])) {
-
+
switch ($info_riff_raw['fmt ']['wFormatTag']) {
case 0x0001: // PCM
@@ -146,7 +146,7 @@ class getid3_riff extends getid3_handler
}
}
-
+
$info_audio['streams'][$stream_index]['wformattag'] = $info_audio['wformattag'];
$info_audio['streams'][$stream_index]['bitrate_mode'] = $info_audio['bitrate_mode'];
$info_audio['streams'][$stream_index]['lossless'] = $info_audio['lossless'];
@@ -169,7 +169,7 @@ class getid3_riff extends getid3_handler
$n_track_rg_adjust_bit_string = str_pad(decbin($info_riff_raw_rgad['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT);
$n_album_rg_adjust_bit_string = str_pad(decbin($info_riff_raw_rgad['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT);
-
+
$info_riff_raw_rgad_track['name'] = bindec(substr($n_track_rg_adjust_bit_string, 0, 3));
$info_riff_raw_rgad_track['originator'] = bindec(substr($n_track_rg_adjust_bit_string, 3, 3));
$info_riff_raw_rgad_track['signbit'] = bindec($n_track_rg_adjust_bit_string[6]);
@@ -185,7 +185,7 @@ class getid3_riff extends getid3_handler
$info_riff['rgad']['track']['originator'] = getid3_lib_replaygain::OriginatorLookup($info_riff_raw_rgad_track['originator']);
$info_riff['rgad']['track']['adjustment'] = getid3_lib_replaygain::AdjustmentLookup($info_riff_raw_rgad_track['adjustment'], $info_riff_raw_rgad_track['signbit']);
}
-
+
if (($info_riff_raw_rgad_album['name'] != 0) && ($info_riff_raw_rgad_album['originator'] != 0)) {
$info_riff['rgad']['album']['name'] = getid3_lib_replaygain::NameLookup($info_riff_raw_rgad_album['name']);
$info_riff['rgad']['album']['originator'] = getid3_lib_replaygain::OriginatorLookup($info_riff_raw_rgad_album['originator']);
@@ -194,7 +194,7 @@ class getid3_riff extends getid3_handler
}
if (isset($info_riff_wave['fact'][0]['data'])) {
-
+
$info_riff_raw['fact']['NumberOfSamples'] = getid3_lib::$endian_function(substr($info_riff_wave['fact'][0]['data'], 0, 4));
// This should be a good way of calculating exact playtime, but some sample files have had incorrect number of samples, so cannot use this method
@@ -202,14 +202,14 @@ class getid3_riff extends getid3_handler
// $getid3->info['playtime_seconds'] = (float)$info_riff_raw['fact']['NumberOfSamples'] / $info_riff_raw['fmt ']['nSamplesPerSec'];
// }
}
-
-
+
+
if (!empty($info_riff_raw['fmt ']['nAvgBytesPerSec'])) {
$info_audio['bitrate'] = (int)$info_riff_raw['fmt ']['nAvgBytesPerSec'] * 8;
}
if (isset($info_riff_wave['bext'][0]['data'])) {
-
+
$info_riff_wave_bext_0 = &$info_riff_wave['bext'][0];
getid3_lib::ReadSequence('LittleEndian2Int', $info_riff_wave_bext_0, $info_riff_wave_bext_0['data'], 0,
@@ -224,11 +224,11 @@ class getid3_riff extends getid3_handler
'reserved' => 254
)
);
-
+
foreach (array ('title', 'author', 'reference') as $key) {
$info_riff_wave_bext_0[$key] = trim($info_riff_wave_bext_0[$key]);
}
-
+
$info_riff_wave_bext_0['coding_history'] = explode("\r\n", trim(substr($info_riff_wave_bext_0['data'], 601)));
$info_riff_wave_bext_0['origin_date_unix'] = gmmktime(substr($info_riff_wave_bext_0['origin_time'], 0, 2),
@@ -243,7 +243,7 @@ class getid3_riff extends getid3_handler
}
if (isset($info_riff_wave['MEXT'][0]['data'])) {
-
+
$info_riff_wave_mext_0 = &$info_riff_wave['MEXT'][0];
$info_riff_wave_mext_0['raw']['sound_information'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_mext_0['data'], 0, 2));
@@ -263,7 +263,7 @@ class getid3_riff extends getid3_handler
}
if (isset($info_riff_wave['cart'][0]['data'])) {
-
+
$info_riff_wave_cart_0 = &$info_riff_wave['cart'][0];
getid3_lib::ReadSequence('LittleEndian2Int', $info_riff_wave_cart_0, $info_riff_wave_cart_0['data'], 0,
@@ -285,23 +285,23 @@ class getid3_riff extends getid3_handler
'user_defined_text' => -64,
)
);
-
+
foreach (array ('artist', 'cut_id', 'client_id', 'category', 'classification', 'out_cue', 'start_date', 'start_time', 'end_date', 'end_time', 'producer_app_id', 'producer_app_version', 'user_defined_text') as $key) {
$info_riff_wave_cart_0[$key] = trim($info_riff_wave_cart_0[$key]);
}
-
+
$info_riff_wave_cart_0['zero_db_reference'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_cart_0['data'], 680, 4), true);
-
+
for ($i = 0; $i < 8; $i++) {
$info_riff_wave_cart_0['post_time'][$i]['usage_fourcc'] = substr($info_riff_wave_cart_0['data'], 684 + ($i * 8), 4);
$info_riff_wave_cart_0['post_time'][$i]['timer_value'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_cart_0['data'], 684 + ($i * 8) + 4, 4));
- }
+ }
$info_riff_wave_cart_0['url'] = trim(substr($info_riff_wave_cart_0['data'], 748, 1024));
$info_riff_wave_cart_0['tag_text'] = explode("\r\n", trim(substr($info_riff_wave_cart_0['data'], 1772)));
-
+
$info_riff['comments']['artist'][] = $info_riff_wave_cart_0['artist'];
$info_riff['comments']['title'][] = $info_riff_wave_cart_0['title'];
- }
+ }
if (!isset($info_audio['bitrate']) && isset($info_riff_audio[$stream_index]['bitrate'])) {
$info_audio['bitrate'] = $info_riff_audio[$stream_index]['bitrate'];
@@ -309,28 +309,28 @@ class getid3_riff extends getid3_handler
}
if (@$getid3->info['wavpack']) {
-
+
if (!$this->data_string_flag) {
-
+
$info_audio_dataformat = 'wavpack';
$info_audio['bitrate_mode'] = 'vbr';
$info_audio['encoder'] = 'WavPack v'.$getid3->info['wavpack']['version'];
-
+
// Reset to the way it was - RIFF parsing will have messed this up
$info_avdataend = $original['avdataend'];
$info_audio['bitrate'] = (($info_avdataend - $info_avdataoffset) * 8) / $getid3->info['playtime_seconds'];
-
+
$this->fseek($info_avdataoffset - 44, SEEK_SET);
$riff_data = $this->fread(44);
$orignal_riff_header_size = getid3_lib::LittleEndian2Int(substr($riff_data, 4, 4)) + 8;
$orignal_riff_data_size = getid3_lib::LittleEndian2Int(substr($riff_data, 40, 4)) + 44;
-
+
if ($orignal_riff_header_size > $orignal_riff_data_size) {
$info_avdataend -= ($orignal_riff_header_size - $orignal_riff_data_size);
$this->fseek($info_avdataend, SEEK_SET);
$riff_data .= $this->fread($orignal_riff_header_size - $orignal_riff_data_size);
}
-
+
// move the data chunk after all other chunks (if any)
// so that the RIFF parser doesn't see EOF when trying
// to skip over the data chunk
@@ -339,18 +339,18 @@ class getid3_riff extends getid3_handler
// Save audio info key
$saved_info_audio = $info_audio;
- // Analyze riff_data
+ // Analyze riff_data
$this->AnalyzeString($riff_data);
-
+
// Restore info key
$info_audio = $saved_info_audio;
}
}
if (isset($info_riff_raw['fmt ']['wFormatTag'])) {
-
+
switch ($info_riff_raw['fmt ']['wFormatTag']) {
-
+
case 0x08AE: // ClearJump LiteWave
$info_audio['bitrate_mode'] = 'vbr';
$info_audio_dataformat = 'litewave';
@@ -436,7 +436,7 @@ class getid3_riff extends getid3_handler
$getid3->warning('File should probably be padded to nearest WORD boundary, but it is not (expecting '.$info_riff[$riff_sub_type]['data'][0]['size'].' bytes of data, only found '.($getid3->info['filesize'] - $info_avdataoffset).' therefore short by '.($info_riff[$riff_sub_type]['data'][0]['size'] - ($getid3->info['filesize'] - $info_avdataoffset)).' bytes)');
$info_avdataend = $getid3->info['filesize'];
break;
-
+
}
// Short by more than one byte, throw warning
$getid3->warning('Probably truncated file - expecting '.$info_riff[$riff_sub_type]['data'][0]['size'].' bytes of data, only found '.($getid3->info['filesize'] - $info_avdataoffset).' (short by '.($info_riff[$riff_sub_type]['data'][0]['size'] - ($getid3->info['filesize'] - $info_avdataoffset)).' bytes)');
@@ -444,14 +444,14 @@ class getid3_riff extends getid3_handler
break;
}
}
-
+
if (!empty($getid3->info['mpeg']['audio']['LAME']['audio_bytes'])) {
if ((($info_avdataend - $info_avdataoffset) - $getid3->info['mpeg']['audio']['LAME']['audio_bytes']) == 1) {
$info_avdataend--;
$getid3->warning('Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored');
}
}
-
+
if (@$info_audio_dataformat == 'ac3') {
unset($info_audio['bits_per_sample']);
if (!empty($getid3->info['ac3']['bitrate']) && ($getid3->info['ac3']['bitrate'] != $info_audio['bitrate'])) {
@@ -480,8 +480,8 @@ class getid3_riff extends getid3_handler
$info_riff_raw['avih'] = array ();
$info_riff_raw_avih = &$info_riff_raw['avih'];
-
- getid3_lib::ReadSequence($this->endian_function, $info_riff_raw_avih, $avihData, 0,
+
+ getid3_lib::ReadSequence($this->endian_function, $info_riff_raw_avih, $avihData, 0,
array (
'dwMicroSecPerFrame' => 4, // frame display rate (or 0L)
'dwMaxBytesPerSec' => 4, // max. transfer rate
@@ -514,12 +514,12 @@ class getid3_riff extends getid3_handler
$info_riff_video_current['frame_width'] = $info_riff_raw_avih['dwWidth'];
$info_video['resolution_x'] = $info_riff_video_current['frame_width'];
}
-
+
if ($info_riff_raw_avih['dwHeight'] > 0) {
$info_riff_video_current['frame_height'] = $info_riff_raw_avih['dwHeight'];
$info_video['resolution_y'] = $info_riff_video_current['frame_height'];
}
-
+
if ($info_riff_raw_avih['dwTotalFrames'] > 0) {
$info_riff_video_current['total_frames'] = $info_riff_raw_avih['dwTotalFrames'];
$info_video['total_frames'] = $info_riff_video_current['total_frames'];
@@ -528,7 +528,7 @@ class getid3_riff extends getid3_handler
$info_riff_video_current['frame_rate'] = round(1000000 / $info_riff_raw_avih['dwMicroSecPerFrame'], 3);
$info_video['frame_rate'] = $info_riff_video_current['frame_rate'];
}
-
+
if (isset($info_riff['AVI ']['hdrl']['strl']['strh'][0]['data'])) {
if (is_array($info_riff['AVI ']['hdrl']['strl']['strh'])) {
for ($i = 0; $i < count($info_riff['AVI ']['hdrl']['strl']['strh']); $i++) {
@@ -571,7 +571,7 @@ class getid3_riff extends getid3_handler
$info_audio['lossless'] = false;
switch ($info_riff_raw_strf_strh_fcc_type_stream_index['wFormatTag']) {
-
+
case 0x0001: // PCM
$info_audio_dataformat = 'wav';
$info_audio['lossless'] = true;
@@ -618,8 +618,8 @@ class getid3_riff extends getid3_handler
// shortcut
$info_riff_raw['strh'][$i] = array ();
$info_riff_raw_strh_current = &$info_riff_raw['strh'][$i];
-
- getid3_lib::ReadSequence($this->endian_function, $info_riff_raw_strh_current, $strh_data, 0,
+
+ getid3_lib::ReadSequence($this->endian_function, $info_riff_raw_strh_current, $strh_data, 0,
array (
'fccType' => -4, // same as $strh_fcc_type;
'fccHandler' => -4,
@@ -640,17 +640,17 @@ class getid3_riff extends getid3_handler
$info_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($info_riff_raw_strh_current['fccHandler']);
$info_video['fourcc'] = $info_riff_raw_strh_current['fccHandler'];
-
+
if (!$info_riff_video_current['codec'] && isset($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']) && getid3_riff::RIFFfourccLookup($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc'])) {
$info_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']);
$info_video['fourcc'] = $info_riff_raw_strf_strh_fcc_type_stream_index['fourcc'];
}
-
+
$info_video['codec'] = $info_riff_video_current['codec'];
$info_video['pixel_aspect_ratio'] = (float)1;
-
+
switch ($info_riff_raw_strh_current['fccHandler']) {
-
+
case 'HFYU': // Huffman Lossless Codec
case 'IRAW': // Intel YUV Uncompressed
case 'YUY2': // Uncompressed YUV 4:2:2
@@ -663,7 +663,7 @@ class getid3_riff extends getid3_handler
}
switch ($strh_fcc_type) {
-
+
case 'vids':
getid3_lib::ReadSequence($this->endian_function, $info_riff_raw_strf_strh_fcc_type_stream_index, $strf_data, 0,
array (
@@ -709,7 +709,7 @@ class getid3_riff extends getid3_handler
$info_video['fourcc'] = $info_riff_raw_strf_strh_fcc_type_stream_index['fourcc'];
switch ($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']) {
-
+
case 'HFYU': // Huffman Lossless Codec
case 'IRAW': // Intel YUV Uncompressed
case 'YUY2': // Uncompressed YUV 4:2:2
@@ -739,10 +739,10 @@ class getid3_riff extends getid3_handler
$info_avdataoffset = 44;
if (isset($info_riff['CDDA']['fmt '][0]['data'])) {
-
+
$info_riff_cdda_fmt_0 = &$info_riff['CDDA']['fmt '][0];
- getid3_lib::ReadSequence($this->endian_function, $info_riff_cdda_fmt_0, $info_riff_cdda_fmt_0['data'], 0,
+ getid3_lib::ReadSequence($this->endian_function, $info_riff_cdda_fmt_0, $info_riff_cdda_fmt_0['data'], 0,
array (
'unknown1' => 2,
'track_num' => 2,
@@ -804,9 +804,9 @@ class getid3_riff extends getid3_handler
$info_riff_audio['codec_fourcc'] = substr($info_riff_RIFFsubtype_COMM_0_data, 18, 4);
$codec_name_size = getid3_lib::BigEndian2Int(substr($info_riff_RIFFsubtype_COMM_0_data, 22, 1));
$info_riff_audio['codec_name'] = substr($info_riff_RIFFsubtype_COMM_0_data, 23, $codec_name_size);
-
+
switch ($info_riff_audio['codec_name']) {
-
+
case 'NONE':
$info_audio['codec'] = 'Pulse Code Modulation (PCM)';
$info_audio['lossless'] = true;
@@ -814,7 +814,7 @@ class getid3_riff extends getid3_handler
case '':
switch ($info_riff_audio['codec_fourcc']) {
-
+
// http://developer.apple.com/qa/snd/snd07.html
case 'sowt':
$info_riff_audio['codec_name'] = 'Two\'s Compliment Little-Endian PCM';
@@ -839,31 +839,31 @@ class getid3_riff extends getid3_handler
}
$info_audio['channels'] = $info_riff_audio['channels'];
-
+
if ($info_riff_audio['bits_per_sample'] > 0) {
$info_audio['bits_per_sample'] = $info_riff_audio['bits_per_sample'];
}
-
+
$info_audio['sample_rate'] = $info_riff_audio['sample_rate'];
$getid3->info['playtime_seconds'] = $info_riff_audio['total_samples'] / $info_audio['sample_rate'];
}
if (isset($info_riff[$riff_sub_type]['COMT'])) {
-
+
$comment_count = getid3_lib::BigEndian2Int(substr($info_riff[$riff_sub_type]['COMT'][0]['data'], 0, 2));
$offset = 2;
-
+
for ($i = 0; $i < $comment_count; $i++) {
-
+
$getid3->info['comments_raw'][$i]['timestamp'] = getid3_lib::BigEndian2Int( substr($info_riff[$riff_sub_type]['COMT'][0]['data'], $offset, 4));
- $offset += 4;
-
+ $offset += 4;
+
$getid3->info['comments_raw'][$i]['marker_id'] = getid3_lib::BigEndianSyncSafe2Int(substr($info_riff[$riff_sub_type]['COMT'][0]['data'], $offset, 2));
- $offset += 2;
-
+ $offset += 2;
+
$comment_length = getid3_lib::BigEndian2Int( substr($info_riff[$riff_sub_type]['COMT'][0]['data'], $offset, 2));
- $offset += 2;
-
+ $offset += 2;
+
$getid3->info['comments_raw'][$i]['comment'] = substr($info_riff[$riff_sub_type]['COMT'][0]['data'], $offset, $comment_length);
$offset += $comment_length;
@@ -899,7 +899,7 @@ class getid3_riff extends getid3_handler
// shortcut
$info_riff_riff_sub_type_vhdr_0 = &$info_riff[$riff_sub_type]['VHDR'][0];
- getid3_lib::ReadSequence('BigEndian2Int', $info_riff_riff_sub_type_vhdr_0, $info_riff_riff_sub_type_vhdr_0['data'], 0,
+ getid3_lib::ReadSequence('BigEndian2Int', $info_riff_riff_sub_type_vhdr_0, $info_riff_riff_sub_type_vhdr_0['data'], 0,
array (
'oneShotHiSamples' => 4,
'repeatHiSamples' => 4,
@@ -910,7 +910,7 @@ class getid3_riff extends getid3_handler
'Volume' => -4
)
);
-
+
$info_riff_riff_sub_type_vhdr_0['Volume'] = getid3_riff::FixedPoint16_16($info_riff_riff_sub_type_vhdr_0['Volume']);
$info_audio['sample_rate'] = $info_riff_riff_sub_type_vhdr_0['samplesPerSec'];
@@ -967,25 +967,25 @@ class getid3_riff extends getid3_handler
case 'CDXA':
-
+
$getid3->info['mime_type'] = 'video/mpeg';
if (!empty($info_riff['CDXA']['data'][0]['size'])) {
$GETID3_ERRORARRAY = &$getid3->info['warning'];
-
+
if (!$getid3->include_module_optional('audio-video.mpeg')) {
$getid3->warning('MPEG skipped because mpeg module is missing.');
}
-
+
else {
-
+
// Clone getid3 - messing with offsets - better safe than sorry
$clone = clone $getid3;
-
+
// Analyse
$mpeg = new getid3_mpeg($clone);
$mpeg->Analyze();
- // Import from clone and destroy
+ // Import from clone and destroy
$getid3->info['audio'] = $clone->info['audio'];
$getid3->info['video'] = $clone->info['video'];
$getid3->info['mpeg'] = $clone->info['mpeg'];
@@ -994,26 +994,26 @@ class getid3_riff extends getid3_handler
unset($clone);
}
}
-
+
break;
default:
throw new getid3_exception('Unknown RIFF type: expecting one of (WAVE|RMP3|AVI |CDDA|AIFF|AIFC|8SVX|CDXA), found "'.$riff_sub_type.'" instead');
}
-
-
+
+
if (@$info_riff_raw['fmt ']['wFormatTag'] == 1) {
-
+
// http://www.mega-nerd.com/erikd/Blog/Windiots/dts.html
$this->fseek($getid3->info['avdataoffset'], SEEK_SET);
$bytes4 = $this->fread(4);
-
+
// DTSWAV
if (preg_match('/^\xFF\x1F\x00\xE8/s', $bytes4)) {
$info_audio_dataformat = 'dts';
- }
-
+ }
+
// DTS, but this probably shouldn't happen
elseif (preg_match('/^\x7F\xFF\x80\x01/s', $bytes4)) {
$info_audio_dataformat = 'dts';
@@ -1023,13 +1023,13 @@ class getid3_riff extends getid3_handler
if (@is_array($info_riff_wave['DISP'])) {
$info_riff['comments']['title'][] = trim(substr($info_riff_wave['DISP'][count($info_riff_wave['DISP']) - 1]['data'], 4));
}
-
+
if (@is_array($info_riff_wave['INFO'])) {
getid3_riff::RIFFCommentsParse($info_riff_wave['INFO'], $info_riff['comments']);
}
-
+
if (isset($info_riff_wave['INFO']) && is_array($info_riff_wave['INFO'])) {
-
+
foreach (array ('IARL' => 'archivallocation', 'IART' => 'artist', 'ICDS' => 'costumedesigner', 'ICMS' => 'commissionedby', 'ICMT' => 'comment', 'ICNT' => 'country', 'ICOP' => 'copyright', 'ICRD' => 'creationdate', 'IDIM' => 'dimensions', 'IDIT' => 'digitizationdate', 'IDPI' => 'resolution', 'IDST' => 'distributor', 'IEDT' => 'editor', 'IENG' => 'engineers', 'IFRM' => 'accountofparts', 'IGNR' => 'genre', 'IKEY' => 'keywords', 'ILGT' => 'lightness', 'ILNG' => 'language', 'IMED' => 'orignalmedium', 'IMUS' => 'composer', 'INAM' => 'title', 'IPDS' => 'productiondesigner', 'IPLT' => 'palette', 'IPRD' => 'product', 'IPRO' => 'producer', 'IPRT' => 'part', 'IRTD' => 'rating', 'ISBJ' => 'subject', 'ISFT' => 'software', 'ISGN' => 'secondarygenre', 'ISHP' => 'sharpness', 'ISRC' => 'sourcesupplier', 'ISRF' => 'digitizationsource', 'ISTD' => 'productionstudio', 'ISTR' => 'starring', 'ITCH' => 'encoded_by', 'IWEB' => 'url', 'IWRI' => 'writer') as $key => $value) {
if (isset($info_riff_wave['INFO'][$key])) {
foreach ($info_riff_wave['INFO'][$key] as $comment_id => $comment_data) {
@@ -1157,34 +1157,34 @@ class getid3_riff extends getid3_handler
public function ParseRIFF($start_offset, $max_offset) {
-
+
$getid3 = $this->getid3;
-
+
$info = &$getid3->info;
-
+
$endian_function = $this->endian_function;
$max_offset = min($max_offset, $info['avdataend']);
-
+
$riff_chunk = false;
$this->fseek($start_offset, SEEK_SET);
-
+
while ($this->ftell() < $max_offset) {
-
+
$chunk_name = $this->fread(4);
-
+
if (strlen($chunk_name) < 4) {
throw new getid3_exception('Expecting chunk name at offset '.($this->ftell() - 4).' but found nothing. Aborting RIFF parsing.');
}
-
+
$chunk_size = getid3_lib::$endian_function($this->fread(4));
-
+
if ($chunk_size == 0) {
continue;
throw new getid3_exception('Chunk size at offset '.($this->ftell() - 4).' is zero. Aborting RIFF parsing.');
}
-
+
if (($chunk_size % 2) != 0) {
// all structures are packed on word boundaries
$chunk_size++;
@@ -1194,16 +1194,16 @@ class getid3_riff extends getid3_handler
case 'LIST':
$list_name = $this->fread(4);
-
+
switch ($list_name) {
-
+
case 'movi':
case 'rec ':
$riff_chunk[$list_name]['offset'] = $this->ftell() - 4;
$riff_chunk[$list_name]['size'] = $chunk_size;
static $parsed_audio_stream = false;
-
+
if (!$parsed_audio_stream) {
$where_we_were = $this->ftell();
$audio_chunk_header = $this->fread(12);
@@ -1214,62 +1214,62 @@ class getid3_riff extends getid3_handler
if ($audio_chunk_stream_type == 'wb') {
$first_four_bytes = substr($audio_chunk_header, 8, 4);
-
+
//// MPEG
-
+
if (preg_match('/^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]/s', $first_four_bytes)) {
if (!$getid3->include_module_optional('audio.mp3')) {
$getid3->warning('MP3 skipped because mp3 module is missing.');
}
-
+
elseif (getid3_mp3::MPEGaudioHeaderBytesValid($first_four_bytes)) {
-
+
// Clone getid3 - messing with offsets - better safe than sorry
$clone = clone $getid3;
$clone->info['avdataoffset'] = $this->ftell() - 4;
$clone->info['avdataend'] = $this->ftell() + $audio_chunk_size;
-
+
$mp3 = new getid3_mp3($clone);
$mp3->AnalyzeMPEGaudioInfo();
-
+
// Import from clone and destroy
if (isset($clone->info['mpeg']['audio'])) {
-
+
$info['mpeg']['audio'] = $clone->info['mpeg']['audio'];
-
+
$info['audio']['dataformat'] = 'mp'.$info['mpeg']['audio']['layer'];
$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);
}
}
- }
-
+ }
+
//// AC3-WAVE
-
+
elseif (preg_match('/^\x0B\x77/s', $first_four_bytes)) {
if (!$getid3->include_module_optional('audio.ac3')) {
$getid3->warning('AC3 skipped because ac3 module is missing.');
}
-
+
else {
-
+
// Clone getid3 - messing with offsets - better safe than sorry
$clone = clone $getid3;
- $clone->info['avdataoffset'] = $this->ftell() - 4;
+ $clone->info['avdataoffset'] = $this->ftell() - 4;
$clone->info['avdataend'] = $this->ftell() + $audio_chunk_size;
-
+
// Analyze clone by fp
$ac3 = new getid3_ac3($clone);
$ac3->Analyze();
-
+
// Import from clone and destroy
$info['audio'] = $clone->info['audio'];
$info['ac3'] = $clone->info['ac3'];
@@ -1301,7 +1301,7 @@ class getid3_riff extends getid3_handler
default:
-
+
$this_index = 0;
if (isset($riff_chunk[$chunk_name]) && is_array($riff_chunk[$chunk_name])) {
$this_index = count($riff_chunk[$chunk_name]);
@@ -1319,33 +1319,33 @@ class getid3_riff extends getid3_handler
//// This is probably MP3 data
if ((strlen($riff_data_chunk_contents_test) > 0) && preg_match('/^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]/s', substr($riff_data_chunk_contents_test, 0, 4))) {
-
+
try {
-
+
if (!$getid3->include_module_optional('audio.mp3')) {
$getid3->warning('MP3 skipped because mp3 module is missing.');
}
-
-
+
+
// Clone getid3 - messing with offsets - better safe than sorry
$clone = clone $getid3;
-
+
if (getid3_mp3::MPEGaudioHeaderBytesValid(substr($riff_data_chunk_contents_test, 0, 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']['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);
}
@@ -1354,66 +1354,66 @@ class getid3_riff extends getid3_handler
catch (Exception $e) {
// do nothing - not MP3 data
}
- }
-
-
+ }
+
+
//// This is probably AC-3 data
-
+
elseif ((strlen($riff_data_chunk_contents_test) > 0) && (substr($riff_data_chunk_contents_test, 0, 2) == "\x0B\x77")) {
if (!$getid3->include_module_optional('audio.ac3')) {
$getid3->warning('AC3 skipped because ac3 module is missing.');
}
-
+
else {
// Clone getid3 - messing with offsets - better safe than sorry
$clone = clone $getid3;
$clone->info['avdataoffset'] = $riff_chunk[$chunk_name][$this_index]['offset'];
$clone->info['avdataend'] = $clone->info['avdataoffset'] + $riff_chunk[$chunk_name][$this_index]['size'];
-
+
// Analyze clone by fp
$ac3 = new getid3_ac3($clone);
$ac3->Analyze();
-
+
// Import from clone and destroy
$info['audio'] = $clone->info['audio'];
$info['ac3'] = $clone->info['ac3'];
$getid3->warning($clone->warnings());
unset($clone);
}
- }
-
-
+ }
+
+
// Dolby Digital WAV
// AC-3 content, but not encoded in same format as normal AC-3 file
// For one thing, byte order is swapped
-
+
elseif ((strlen($riff_data_chunk_contents_test) > 0) && (substr($riff_data_chunk_contents_test, 8, 2) == "\x77\x0B")) {
if (!$getid3->include_module_optional('audio.ac3')) {
$getid3->warning('AC3 skipped because ac3 module is missing.');
}
-
+
else {
-
+
// Extract ac3 data to string
- $ac3_data = '';
+ $ac3_data = '';
for ($i = 0; $i < 28; $i += 2) {
// swap byte order
$ac3_data .= substr($riff_data_chunk_contents_test, 8 + $i + 1, 1);
$ac3_data .= substr($riff_data_chunk_contents_test, 8 + $i + 0, 1);
}
-
+
// Clone getid3 - messing with offsets - better safe than sorry
$clone = clone $getid3;
$clone->info['avdataoffset'] = 0;
$clone->info['avdataend'] = 20;
-
+
// Analyse clone by string
$ac3 = new getid3_ac3($clone);
$ac3->AnalyzeString($ac3_data);
-
+
// Import from clone and destroy
$info['audio'] = $clone->info['audio'];
$info['ac3'] = $clone->info['ac3'];
@@ -1422,7 +1422,7 @@ class getid3_riff extends getid3_handler
}
}
-
+
if ((strlen($riff_data_chunk_contents_test) > 0) && (substr($riff_data_chunk_contents_test, 0, 4) == 'wvpk')) {
// This is WavPack data
@@ -1481,7 +1481,7 @@ class getid3_riff extends getid3_handler
private function RIFFparseWavPackHeader($wavpack3_chunk_data) {
-
+
// typedef struct {
// char ckID [4];
// long ckSize;
@@ -1496,13 +1496,13 @@ class getid3_riff extends getid3_handler
$info_wavpack = &$this->getid3->info['wavpack'];
$info_wavpack['version'] = getid3_lib::LittleEndian2Int(substr($wavpack3_chunk_data, 0, 2));
-
+
if ($info_wavpack['version'] >= 2) {
$info_wavpack['bits'] = getid3_lib::LittleEndian2Int(substr($wavpack3_chunk_data, 2, 2));
}
-
+
if ($info_wavpack['version'] >= 3) {
-
+
getid3_lib::ReadSequence('LittleEndian2Int', $info_wavpack, $wavpack3_chunk_data, 4,
array (
'flags_raw' => 2,
@@ -1514,7 +1514,7 @@ class getid3_riff extends getid3_handler
'extra_bc' => 1
)
);
-
+
for ($i = 0; $i < 3; $i++) {
$info_wavpack['extras'][] = getid3_lib::LittleEndian2Int($wavpack3_chunk_data{25 + $i});
}
@@ -1546,27 +1546,27 @@ class getid3_riff extends getid3_handler
return true;
}
-
-
-
+
+
+
public function AnalyzeString(&$string) {
-
+
// Rewrite header_size in header
$new_header_size = getid3_lib::LittleEndian2String(strlen($string), 4);
for ($i = 0; $i < 4; $i++) {
$string{$i + 4} = $new_header_size{$i};
}
-
+
return parent::AnalyzeString($string);
}
-
+
public static function RIFFparseWAVEFORMATex($wave_format_ex_data) {
-
+
$wave_format_ex['raw'] = array ();
$wave_format_ex_raw = &$wave_format_ex['raw'];
-
+
getid3_lib::ReadSequence('LittleEndian2Int', $wave_format_ex_raw, $wave_format_ex_data, 0,
array (
'wFormatTag' => 2,
@@ -1577,7 +1577,7 @@ class getid3_riff extends getid3_handler
'wBitsPerSample' => 2
)
);
-
+
if (strlen($wave_format_ex_data) > 16) {
$wave_format_ex_raw['cbSize'] = getid3_lib::LittleEndian2Int(substr($wave_format_ex_data, 16, 2));
}
@@ -1756,7 +1756,7 @@ class getid3_riff extends getid3_handler
0xFFFE => 'WAVE_FORMAT_EXTENSIBLE',
0xFFFF => 'WAVE_FORMAT_DEVELOPMENT'
);
-
+
return @$lookup[$w_format_tag];
}
@@ -2144,14 +2144,14 @@ class getid3_riff extends getid3_handler
'ZLIB' => 'Lossless Codec Library zlib compression (www.geocities.co.jp/Playtown-Denei/2837/LRC.htm)',
'ZPEG' => 'Metheus Video Zipper'
);
-
+
return @$lookup[$four_cc];
}
public static function RIFFcommentsParse(&$riff_info_aray, &$comments_target_array) {
-
+
static $lookup = array(
'IARL' => 'archivallocation',
'IART' => 'artist',
@@ -2193,7 +2193,7 @@ class getid3_riff extends getid3_handler
'IWEB' => 'url',
'IWRI' => 'writer'
);
-
+
foreach ($lookup as $key => $value) {
if (isset($riff_info_aray[$key])) {
foreach ($riff_info_aray[$key] as $comment_id => $comment_data) {
@@ -2205,9 +2205,9 @@ class getid3_riff extends getid3_handler
}
return true;
}
-
-
-
+
+
+
public static function array_merge_noclobber($array1, $array2) {
if (!is_array($array1) || !is_array($array2)) {
return false;
@@ -2222,27 +2222,27 @@ class getid3_riff extends getid3_handler
}
return $new_array;
}
-
-
-
+
+
+
public static function DateMac2Unix($mac_date) {
-
+
// Macintosh timestamp: seconds since 00:00h January 1, 1904
// UNIX timestamp: seconds since 00:00h January 1, 1970
return (int)($mac_date - 2082844800);
}
-
-
-
+
+
+
public static function FixedPoint16_16($raw_data) {
-
+
return getid3_lib::BigEndian2Int(substr($raw_data, 0, 2)) + (float)(getid3_lib::BigEndian2Int(substr($raw_data, 2, 2)) / 65536); // pow(2, 16) = 65536
}
-
-
-
+
+
+
function BigEndian2Float($byte_word) {
-
+
// ANSI/IEEE Standard 754-1985, Standard for Binary Floating Point Arithmetic
// http://www.psc.edu/general/software/packages/ieee/ieee.html
// http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee.html
generated by cgit (git 2.34.1) at 2025-08-14 01:36:33 +0000