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-rw-r--r--modules/getid3/module.audio-video.real.php94
1 files changed, 47 insertions, 47 deletions
diff --git a/modules/getid3/module.audio-video.real.php b/modules/getid3/module.audio-video.real.php
index 4fda21a1..c8688f72 100644
--- a/modules/getid3/module.audio-video.real.php
+++ b/modules/getid3/module.audio-video.real.php
@@ -22,15 +22,15 @@
//
// $Id: module.audio-video.real.php,v 1.4 2006/11/02 10:48:00 ah Exp $
-
-
+
+
class getid3_real extends getid3_handler
{
public function Analyze() {
-
+
$getid3 = $this->getid3;
-
+
$getid3->include_module('audio-video.riff');
$getid3->info['fileformat'] = 'real';
@@ -41,16 +41,16 @@ class getid3_real extends getid3_handler
$chunk_counter = 0;
while (ftell($getid3->fp) < $getid3->info['avdataend']) {
-
+
$chunk_data = fread($getid3->fp, 8);
$chunk_name = substr($chunk_data, 0, 4);
$chunk_size = getid3_lib::BigEndian2Int(substr($chunk_data, 4, 4));
if ($chunk_name == '.ra'."\xFD") {
$chunk_data .= fread($getid3->fp, $chunk_size - 8);
-
+
if ($this->ParseOldRAheader(substr($chunk_data, 0, 128), $getid3->info['real']['old_ra_header'])) {
-
+
$getid3->info['audio']['dataformat'] = 'real';
$getid3->info['audio']['lossless'] = false;
$getid3->info['audio']['sample_rate'] = $getid3->info['real']['old_ra_header']['sample_rate'];
@@ -62,14 +62,14 @@ class getid3_real extends getid3_handler
$getid3->info['audio']['codec'] = $this->RealAudioCodecFourCClookup($getid3->info['real']['old_ra_header']['fourcc'], $getid3->info['audio']['bitrate']);
foreach ($getid3->info['real']['old_ra_header']['comments'] as $key => $value_array) {
-
+
if (strlen(trim($value_array[0])) > 0) {
$getid3->info['real']['comments'][$key][] = trim($value_array[0]);
}
}
return true;
}
-
+
throw new getid3_exception('There was a problem parsing this RealAudio file. Please submit it for analysis to http://www.getid3.org/upload/ or info@getid3.org');
}
@@ -79,7 +79,7 @@ class getid3_real extends getid3_handler
$info_real_chunks_current_chunk['name'] = $chunk_name;
$info_real_chunks_current_chunk['offset'] = ftell($getid3->fp) - 8;
$info_real_chunks_current_chunk['length'] = $chunk_size;
-
+
if (($info_real_chunks_current_chunk['offset'] + $info_real_chunks_current_chunk['length']) > $getid3->info['avdataend']) {
$getid3->warning('Chunk "'.$info_real_chunks_current_chunk['name'].'" at offset '.$info_real_chunks_current_chunk['offset'].' claims to be '.$info_real_chunks_current_chunk['length'].' bytes long, which is beyond end of file');
return false;
@@ -125,7 +125,7 @@ class getid3_real extends getid3_handler
$offset += 2;
if ($info_real_chunks_current_chunk['object_version'] == 0) {
-
+
getid3_lib::ReadSequence('BigEndian2Int', $info_real_chunks_current_chunk, $chunk_data, $offset,
array (
'max_bit_rate' => 4,
@@ -147,7 +147,7 @@ class getid3_real extends getid3_handler
if ($info_real_chunks_current_chunk['duration'] > 0) {
$getid3->info['bitrate'] += $info_real_chunks_current_chunk['avg_bit_rate'];
}
-
+
$info_real_chunks_current_chunk['flags']['save_enabled'] = (bool)($info_real_chunks_current_chunk['flags_raw'] & 0x0001);
$info_real_chunks_current_chunk['flags']['perfect_play'] = (bool)($info_real_chunks_current_chunk['flags_raw'] & 0x0002);
$info_real_chunks_current_chunk['flags']['live_broadcast'] = (bool)($info_real_chunks_current_chunk['flags_raw'] & 0x0004);
@@ -176,25 +176,25 @@ class getid3_real extends getid3_handler
)
);
$offset += 31;
-
+
$info_real_chunks_current_chunk['stream_name'] = substr($chunk_data, $offset, $info_real_chunks_current_chunk['stream_name_size']);
$offset += $info_real_chunks_current_chunk['stream_name_size'];
-
+
$info_real_chunks_current_chunk['mime_type_size'] = getid3_lib::BigEndian2Int($chunk_data{$offset++});
-
+
$info_real_chunks_current_chunk['mime_type'] = substr($chunk_data, $offset, $info_real_chunks_current_chunk['mime_type_size']);
$offset += $info_real_chunks_current_chunk['mime_type_size'];
-
+
$info_real_chunks_current_chunk['type_specific_len'] = getid3_lib::BigEndian2Int(substr($chunk_data, $offset, 4));
$offset += 4;
-
+
$info_real_chunks_current_chunk['type_specific_data'] = substr($chunk_data, $offset, $info_real_chunks_current_chunk['type_specific_len']);
$offset += $info_real_chunks_current_chunk['type_specific_len'];
$info_real_chunks_current_chunk_typespecificdata = &$info_real_chunks_current_chunk['type_specific_data'];
switch ($info_real_chunks_current_chunk['mime_type']) {
-
+
case 'video/x-pn-realvideo':
case 'video/x-pn-multirate-realvideo':
// http://www.freelists.org/archives/matroska-devel/07-2003/msg00010.html
@@ -266,14 +266,14 @@ class getid3_real extends getid3_handler
if (empty($getid3->info['playtime_seconds'])) {
$getid3->info['playtime_seconds'] = max($getid3->info['playtime_seconds'], ($info_real_chunks_current_chunk['duration'] + $info_real_chunks_current_chunk['start_time']) / 1000);
}
-
+
if ($info_real_chunks_current_chunk['duration'] > 0) {
-
+
switch ($info_real_chunks_current_chunk['mime_type']) {
-
+
case 'audio/x-pn-realaudio':
case 'audio/x-pn-multirate-realaudio':
-
+
$getid3->info['audio']['bitrate'] = (isset($getid3->info['audio']['bitrate']) ? $getid3->info['audio']['bitrate'] : 0) + $info_real_chunks_current_chunk['avg_bit_rate'];
$getid3->info['audio']['codec'] = $this->RealAudioCodecFourCClookup($info_real_chunks_current_chunk['parsed_audio_data']['fourcc'], $getid3->info['audio']['bitrate']);
$getid3->info['audio']['dataformat'] = 'real';
@@ -299,9 +299,9 @@ class getid3_real extends getid3_handler
$getid3->info['audio']['dataformat'] = 'real';
$getid3->info['audio']['lossless'] = true;
break;
-
+
}
-
+
$getid3->info['bitrate'] = (isset($getid3->info['video']['bitrate']) ? $getid3->info['video']['bitrate'] : 0) + (isset($getid3->info['audio']['bitrate']) ? $getid3->info['audio']['bitrate'] : 0);
}
}
@@ -361,7 +361,7 @@ class getid3_real extends getid3_handler
if ($info_real_chunks_current_chunk['object_version'] == 0) {
- getid3_lib::ReadSequence('BigEndian2Int', $info_real_chunks_current_chunk, $chunk_data, $offset,
+ getid3_lib::ReadSequence('BigEndian2Int', $info_real_chunks_current_chunk, $chunk_data, $offset,
array (
'num_indices' => 4,
'stream_number' => 2,
@@ -389,9 +389,9 @@ class getid3_real extends getid3_handler
}
if (!empty($getid3->info['audio']['streams'])) {
-
+
$getid3->info['audio']['bitrate'] = 0;
-
+
foreach ($getid3->info['audio']['streams'] as $key => $value_array) {
$getid3->info['audio']['bitrate'] += $value_array['bitrate'];
}
@@ -408,17 +408,17 @@ class getid3_real extends getid3_handler
$parsed_array = array ();
$parsed_array['magic'] = substr($old_ra_header_data, 0, 4);
-
+
if ($parsed_array['magic'] != '.ra'."\xFD") {
return false;
}
-
+
$parsed_array['version1'] = getid3_lib::BigEndian2Int(substr($old_ra_header_data, 4, 2));
if ($parsed_array['version1'] < 3) {
return false;
- }
+ }
if ($parsed_array['version1'] == 3) {
@@ -437,20 +437,20 @@ class getid3_real extends getid3_handler
'audio_bytes' => 4,
)
);
-
+
$parsed_array['comments_raw'] = substr($old_ra_header_data, 22, $parsed_array['header_size'] - 22 + 1); // not including null terminator
$comment_offset = 0;
-
+
foreach (array ('title', 'artist', 'copyright') as $name) {
$comment_length = getid3_lib::BigEndian2Int($parsed_array['comments_raw']{$comment_offset++});
$parsed_array['comments'][$name][]= substr($parsed_array['comments_raw'], $comment_offset, $comment_length);
$comment_offset += $comment_length;
}
-
+
$comment_offset++; // final null terminator (?)
$comment_offset++; // fourcc length (?) should be 4
-
+
$parsed_array['fourcc'] = substr($old_ra_header_data, 23 + $comment_offset, 4);
@@ -478,7 +478,7 @@ class getid3_real extends getid3_handler
switch ($parsed_array['version1']) {
case 4:
-
+
getid3_lib::ReadSequence('BigEndian2Int', $parsed_array, $old_ra_header_data, 48,
array (
'sample_rate' => 2,
@@ -497,7 +497,7 @@ class getid3_real extends getid3_handler
$parsed_array['comments_raw'] = substr($old_ra_header_data, 69, $parsed_array['header_size'] - 69 + 16);
$comment_offset = 0;
-
+
foreach (array ('title', 'artist', 'copyright') as $name) {
$comment_length = getid3_lib::BigEndian2Int($parsed_array['comments_raw']{$comment_offset++});
$parsed_array['comments'][$name][]= substr($parsed_array['comments_raw'], $comment_offset, $comment_length);
@@ -507,7 +507,7 @@ class getid3_real extends getid3_handler
case 5:
-
+
getid3_lib::ReadSequence('BigEndian2Int', $parsed_array, $old_ra_header_data, 48,
array (
'sample_rate' => 4,
@@ -520,15 +520,15 @@ class getid3_real extends getid3_handler
);
$parsed_array['comments'] = array ();
break;
-
+
}
-
+
$parsed_array['fourcc'] = $parsed_array['fourcc3'];
}
foreach ($parsed_array['comments'] as $key => $value) {
-
+
if ($parsed_array['comments'][$key][0] === false) {
$parsed_array['comments'][$key][0] = '';
}
@@ -541,11 +541,11 @@ class getid3_real extends getid3_handler
public static function RealAudioCodecFourCClookup($fourcc, $bitrate) {
- // http://www.its.msstate.edu/net/real/reports/config/tags.stats
+ // http://www.its.msstate.edu/net/real/reports/config/tags.stats
// http://www.freelists.org/archives/matroska-devel/06-2003/fullthread18.html
-
+
static $lookup;
-
+
if (empty($lookup)) {
$lookup['14_4'][8000] = 'RealAudio v2 (14.4kbps)';
$lookup['14.4'][8000] = 'RealAudio v2 (14.4kbps)';
@@ -572,17 +572,17 @@ class getid3_real extends getid3_handler
$lookup['cook'][0] = 'RealAudio G2';
$lookup['atrc'][0] = 'RealAudio 8';
}
-
+
$round_bitrate = intval(round($bitrate));
-
+
if (isset($lookup[$fourcc][$round_bitrate])) {
return $lookup[$fourcc][$round_bitrate];
}
-
+
if (isset($lookup[$fourcc][0])) {
return $lookup[$fourcc][0];
}
-
+
return $fourcc;
}
generated by cgit (git 2.34.1) at 2025-08-14 01:36:40 +0000