3 /////////////////////////////////////////////////////////////////
4 /// getID3() by James Heinrich <info@getid3.org> //
5 // available at https://github.com/JamesHeinrich/getID3 //
6 // or https://www.getid3.org //
7 // or http://getid3.sourceforge.net //
8 // see readme.txt for more details //
9 /////////////////////////////////////////////////////////////////
11 // module.audio-video.real.php //
12 // module for analyzing Real Audio/Video files //
13 // dependencies: module.audio-video.riff.php //
15 /////////////////////////////////////////////////////////////////
17 if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
20 getid3_lib
::IncludeDependency(GETID3_INCLUDEPATH
.'module.audio-video.riff.php', __FILE__
, true);
22 class getid3_real
extends getid3_handler
27 public function Analyze() {
28 $info = &$this->getid3
->info
;
30 $info['fileformat'] = 'real';
32 $info['playtime_seconds'] = 0;
34 $this->fseek($info['avdataoffset']);
36 while ($this->ftell() < $info['avdataend']) {
37 $ChunkData = $this->fread(8);
38 $ChunkName = substr($ChunkData, 0, 4);
39 $ChunkSize = getid3_lib
::BigEndian2Int(substr($ChunkData, 4, 4));
41 if ($ChunkName == '.ra'."\xFD") {
42 $ChunkData .= $this->fread($ChunkSize - 8);
43 if ($this->ParseOldRAheader(substr($ChunkData, 0, 128), $info['real']['old_ra_header'])) {
44 $info['audio']['dataformat'] = 'real';
45 $info['audio']['lossless'] = false;
46 $info['audio']['sample_rate'] = $info['real']['old_ra_header']['sample_rate'];
47 $info['audio']['bits_per_sample'] = $info['real']['old_ra_header']['bits_per_sample'];
48 $info['audio']['channels'] = $info['real']['old_ra_header']['channels'];
50 $info['playtime_seconds'] = 60 * ($info['real']['old_ra_header']['audio_bytes'] / $info['real']['old_ra_header']['bytes_per_minute']);
51 $info['audio']['bitrate'] = 8 * ($info['real']['old_ra_header']['audio_bytes'] / $info['playtime_seconds']);
52 $info['audio']['codec'] = $this->RealAudioCodecFourCClookup($info['real']['old_ra_header']['fourcc'], $info['audio']['bitrate']);
54 foreach ($info['real']['old_ra_header']['comments'] as $key => $valuearray) {
55 if (strlen(trim($valuearray[0])) > 0) {
56 $info['real']['comments'][$key][] = trim($valuearray[0]);
61 $this->error('There was a problem parsing this RealAudio file. Please submit it for analysis to info@getid3.org');
62 unset($info['bitrate']);
63 unset($info['playtime_seconds']);
68 $info['real']['chunks'][$ChunkCounter] = array();
69 $thisfile_real_chunks_currentchunk = &$info['real']['chunks'][$ChunkCounter];
71 $thisfile_real_chunks_currentchunk['name'] = $ChunkName;
72 $thisfile_real_chunks_currentchunk['offset'] = $this->ftell() - 8;
73 $thisfile_real_chunks_currentchunk['length'] = $ChunkSize;
74 if (($thisfile_real_chunks_currentchunk['offset'] +
$thisfile_real_chunks_currentchunk['length']) > $info['avdataend']) {
75 $this->warning('Chunk "'.$thisfile_real_chunks_currentchunk['name'].'" at offset '.$thisfile_real_chunks_currentchunk['offset'].' claims to be '.$thisfile_real_chunks_currentchunk['length'].' bytes long, which is beyond end of file');
79 if ($ChunkSize > ($this->getid3
->fread_buffer_size() +
8)) {
81 $ChunkData .= $this->fread($this->getid3
->fread_buffer_size() - 8);
82 $this->fseek($thisfile_real_chunks_currentchunk['offset'] +
$ChunkSize);
84 } elseif(($ChunkSize - 8) > 0) {
86 $ChunkData .= $this->fread($ChunkSize - 8);
93 case '.RMF': // RealMedia File Header
94 $thisfile_real_chunks_currentchunk['object_version'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 2));
96 switch ($thisfile_real_chunks_currentchunk['object_version']) {
99 $thisfile_real_chunks_currentchunk['file_version'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
101 $thisfile_real_chunks_currentchunk['headers_count'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
106 //$this->warning('Expected .RMF-object_version to be "0", actual value is "'.$thisfile_real_chunks_currentchunk['object_version'].'" (should not be a problem)');
113 case 'PROP': // Properties Header
114 $thisfile_real_chunks_currentchunk['object_version'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 2));
116 if ($thisfile_real_chunks_currentchunk['object_version'] == 0) {
117 $thisfile_real_chunks_currentchunk['max_bit_rate'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
119 $thisfile_real_chunks_currentchunk['avg_bit_rate'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
121 $thisfile_real_chunks_currentchunk['max_packet_size'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
123 $thisfile_real_chunks_currentchunk['avg_packet_size'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
125 $thisfile_real_chunks_currentchunk['num_packets'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
127 $thisfile_real_chunks_currentchunk['duration'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
129 $thisfile_real_chunks_currentchunk['preroll'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
131 $thisfile_real_chunks_currentchunk['index_offset'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
133 $thisfile_real_chunks_currentchunk['data_offset'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
135 $thisfile_real_chunks_currentchunk['num_streams'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 2));
137 $thisfile_real_chunks_currentchunk['flags_raw'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 2));
139 $info['playtime_seconds'] = $thisfile_real_chunks_currentchunk['duration'] / 1000;
140 if ($thisfile_real_chunks_currentchunk['duration'] > 0) {
141 $info['bitrate'] +
= $thisfile_real_chunks_currentchunk['avg_bit_rate'];
143 $thisfile_real_chunks_currentchunk['flags']['save_enabled'] = (bool) ($thisfile_real_chunks_currentchunk['flags_raw'] & 0x0001);
144 $thisfile_real_chunks_currentchunk['flags']['perfect_play'] = (bool) ($thisfile_real_chunks_currentchunk['flags_raw'] & 0x0002);
145 $thisfile_real_chunks_currentchunk['flags']['live_broadcast'] = (bool) ($thisfile_real_chunks_currentchunk['flags_raw'] & 0x0004);
149 case 'MDPR': // Media Properties Header
150 $thisfile_real_chunks_currentchunk['object_version'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 2));
152 if ($thisfile_real_chunks_currentchunk['object_version'] == 0) {
153 $thisfile_real_chunks_currentchunk['stream_number'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 2));
155 $thisfile_real_chunks_currentchunk['max_bit_rate'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
157 $thisfile_real_chunks_currentchunk['avg_bit_rate'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
159 $thisfile_real_chunks_currentchunk['max_packet_size'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
161 $thisfile_real_chunks_currentchunk['avg_packet_size'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
163 $thisfile_real_chunks_currentchunk['start_time'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
165 $thisfile_real_chunks_currentchunk['preroll'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
167 $thisfile_real_chunks_currentchunk['duration'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
169 $thisfile_real_chunks_currentchunk['stream_name_size'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 1));
171 $thisfile_real_chunks_currentchunk['stream_name'] = substr($ChunkData, $offset, $thisfile_real_chunks_currentchunk['stream_name_size']);
172 $offset +
= $thisfile_real_chunks_currentchunk['stream_name_size'];
173 $thisfile_real_chunks_currentchunk['mime_type_size'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 1));
175 $thisfile_real_chunks_currentchunk['mime_type'] = substr($ChunkData, $offset, $thisfile_real_chunks_currentchunk['mime_type_size']);
176 $offset +
= $thisfile_real_chunks_currentchunk['mime_type_size'];
177 $thisfile_real_chunks_currentchunk['type_specific_len'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
179 $thisfile_real_chunks_currentchunk['type_specific_data'] = substr($ChunkData, $offset, $thisfile_real_chunks_currentchunk['type_specific_len']);
180 $offset +
= $thisfile_real_chunks_currentchunk['type_specific_len'];
183 $thisfile_real_chunks_currentchunk_typespecificdata = &$thisfile_real_chunks_currentchunk['type_specific_data'];
185 switch ($thisfile_real_chunks_currentchunk['mime_type']) {
186 case 'video/x-pn-realvideo':
187 case 'video/x-pn-multirate-realvideo':
188 // http://www.freelists.org/archives/matroska-devel/07-2003/msg00010.html
191 $thisfile_real_chunks_currentchunk['video_info'] = array();
192 $thisfile_real_chunks_currentchunk_videoinfo = &$thisfile_real_chunks_currentchunk['video_info'];
194 $thisfile_real_chunks_currentchunk_videoinfo['dwSize'] = getid3_lib
::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 0, 4));
195 $thisfile_real_chunks_currentchunk_videoinfo['fourcc1'] = substr($thisfile_real_chunks_currentchunk_typespecificdata, 4, 4);
196 $thisfile_real_chunks_currentchunk_videoinfo['fourcc2'] = substr($thisfile_real_chunks_currentchunk_typespecificdata, 8, 4);
197 $thisfile_real_chunks_currentchunk_videoinfo['width'] = getid3_lib
::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 12, 2));
198 $thisfile_real_chunks_currentchunk_videoinfo['height'] = getid3_lib
::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 14, 2));
199 $thisfile_real_chunks_currentchunk_videoinfo['bits_per_sample'] = getid3_lib
::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 16, 2));
200 //$thisfile_real_chunks_currentchunk_videoinfo['unknown1'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 18, 2));
201 //$thisfile_real_chunks_currentchunk_videoinfo['unknown2'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 20, 2));
202 $thisfile_real_chunks_currentchunk_videoinfo['frames_per_second'] = getid3_lib
::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 22, 2));
203 //$thisfile_real_chunks_currentchunk_videoinfo['unknown3'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 24, 2));
204 //$thisfile_real_chunks_currentchunk_videoinfo['unknown4'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 26, 2));
205 //$thisfile_real_chunks_currentchunk_videoinfo['unknown5'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 28, 2));
206 //$thisfile_real_chunks_currentchunk_videoinfo['unknown6'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 30, 2));
207 //$thisfile_real_chunks_currentchunk_videoinfo['unknown7'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 32, 2));
208 //$thisfile_real_chunks_currentchunk_videoinfo['unknown8'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 34, 2));
209 //$thisfile_real_chunks_currentchunk_videoinfo['unknown9'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 36, 2));
211 $thisfile_real_chunks_currentchunk_videoinfo['codec'] = getid3_riff
::fourccLookup($thisfile_real_chunks_currentchunk_videoinfo['fourcc2']);
213 $info['video']['resolution_x'] = $thisfile_real_chunks_currentchunk_videoinfo['width'];
214 $info['video']['resolution_y'] = $thisfile_real_chunks_currentchunk_videoinfo['height'];
215 $info['video']['frame_rate'] = (float) $thisfile_real_chunks_currentchunk_videoinfo['frames_per_second'];
216 $info['video']['codec'] = $thisfile_real_chunks_currentchunk_videoinfo['codec'];
217 $info['video']['bits_per_sample'] = $thisfile_real_chunks_currentchunk_videoinfo['bits_per_sample'];
220 case 'audio/x-pn-realaudio':
221 case 'audio/x-pn-multirate-realaudio':
222 $this->ParseOldRAheader($thisfile_real_chunks_currentchunk_typespecificdata, $thisfile_real_chunks_currentchunk['parsed_audio_data']);
224 $info['audio']['sample_rate'] = $thisfile_real_chunks_currentchunk['parsed_audio_data']['sample_rate'];
225 $info['audio']['bits_per_sample'] = $thisfile_real_chunks_currentchunk['parsed_audio_data']['bits_per_sample'];
226 $info['audio']['channels'] = $thisfile_real_chunks_currentchunk['parsed_audio_data']['channels'];
227 if (!empty($info['audio']['dataformat'])) {
228 foreach ($info['audio'] as $key => $value) {
229 if ($key != 'streams') {
230 $info['audio']['streams'][$thisfile_real_chunks_currentchunk['stream_number']][$key] = $value;
236 case 'logical-fileinfo':
238 $thisfile_real_chunks_currentchunk['logical_fileinfo'] = array();
239 $thisfile_real_chunks_currentchunk_logicalfileinfo = &$thisfile_real_chunks_currentchunk['logical_fileinfo'];
241 $thisfile_real_chunks_currentchunk_logicalfileinfo_offset = 0;
242 $thisfile_real_chunks_currentchunk_logicalfileinfo['logical_fileinfo_length'] = getid3_lib
::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, 4));
243 $thisfile_real_chunks_currentchunk_logicalfileinfo_offset +
= 4;
245 //$thisfile_real_chunks_currentchunk_logicalfileinfo['unknown1'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, 4));
246 $thisfile_real_chunks_currentchunk_logicalfileinfo_offset +
= 4;
248 $thisfile_real_chunks_currentchunk_logicalfileinfo['num_tags'] = getid3_lib
::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, 4));
249 $thisfile_real_chunks_currentchunk_logicalfileinfo_offset +
= 4;
251 //$thisfile_real_chunks_currentchunk_logicalfileinfo['unknown2'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, 4));
252 $thisfile_real_chunks_currentchunk_logicalfileinfo_offset +
= 4;
254 //$thisfile_real_chunks_currentchunk_logicalfileinfo['d'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, 1));
256 //$thisfile_real_chunks_currentchunk_logicalfileinfo['one_type'] = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, 4));
257 //$thisfile_real_chunks_currentchunk_logicalfileinfo_thislength = getid3_lib::BigEndian2Int(substr($thisfile_real_chunks_currentchunk_typespecificdata, 4 + $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, 2));
258 //$thisfile_real_chunks_currentchunk_logicalfileinfo['one'] = substr($thisfile_real_chunks_currentchunk_typespecificdata, 6 + $thisfile_real_chunks_currentchunk_logicalfileinfo_offset, $thisfile_real_chunks_currentchunk_logicalfileinfo_thislength);
259 //$thisfile_real_chunks_currentchunk_logicalfileinfo_offset += (6 + $thisfile_real_chunks_currentchunk_logicalfileinfo_thislength);
266 if (empty($info['playtime_seconds'])) {
267 $info['playtime_seconds'] = max($info['playtime_seconds'], ($thisfile_real_chunks_currentchunk['duration'] +
$thisfile_real_chunks_currentchunk['start_time']) / 1000);
269 if ($thisfile_real_chunks_currentchunk['duration'] > 0) {
270 switch ($thisfile_real_chunks_currentchunk['mime_type']) {
271 case 'audio/x-pn-realaudio':
272 case 'audio/x-pn-multirate-realaudio':
273 $info['audio']['bitrate'] = (isset($info['audio']['bitrate']) ?
$info['audio']['bitrate'] : 0) +
$thisfile_real_chunks_currentchunk['avg_bit_rate'];
274 $info['audio']['codec'] = $this->RealAudioCodecFourCClookup($thisfile_real_chunks_currentchunk['parsed_audio_data']['fourcc'], $info['audio']['bitrate']);
275 $info['audio']['dataformat'] = 'real';
276 $info['audio']['lossless'] = false;
279 case 'video/x-pn-realvideo':
280 case 'video/x-pn-multirate-realvideo':
281 $info['video']['bitrate'] = (isset($info['video']['bitrate']) ?
$info['video']['bitrate'] : 0) +
$thisfile_real_chunks_currentchunk['avg_bit_rate'];
282 $info['video']['bitrate_mode'] = 'cbr';
283 $info['video']['dataformat'] = 'real';
284 $info['video']['lossless'] = false;
285 $info['video']['pixel_aspect_ratio'] = (float) 1;
288 case 'audio/x-ralf-mpeg4-generic':
289 $info['audio']['bitrate'] = (isset($info['audio']['bitrate']) ?
$info['audio']['bitrate'] : 0) +
$thisfile_real_chunks_currentchunk['avg_bit_rate'];
290 $info['audio']['codec'] = 'RealAudio Lossless';
291 $info['audio']['dataformat'] = 'real';
292 $info['audio']['lossless'] = true;
295 $info['bitrate'] = (isset($info['video']['bitrate']) ?
$info['video']['bitrate'] : 0) +
(isset($info['audio']['bitrate']) ?
$info['audio']['bitrate'] : 0);
300 case 'CONT': // Content Description Header (text comments)
301 $thisfile_real_chunks_currentchunk['object_version'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 2));
303 if ($thisfile_real_chunks_currentchunk['object_version'] == 0) {
304 $thisfile_real_chunks_currentchunk['title_len'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 2));
306 $thisfile_real_chunks_currentchunk['title'] = (string) substr($ChunkData, $offset, $thisfile_real_chunks_currentchunk['title_len']);
307 $offset +
= $thisfile_real_chunks_currentchunk['title_len'];
309 $thisfile_real_chunks_currentchunk['artist_len'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 2));
311 $thisfile_real_chunks_currentchunk['artist'] = (string) substr($ChunkData, $offset, $thisfile_real_chunks_currentchunk['artist_len']);
312 $offset +
= $thisfile_real_chunks_currentchunk['artist_len'];
314 $thisfile_real_chunks_currentchunk['copyright_len'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 2));
316 $thisfile_real_chunks_currentchunk['copyright'] = (string) substr($ChunkData, $offset, $thisfile_real_chunks_currentchunk['copyright_len']);
317 $offset +
= $thisfile_real_chunks_currentchunk['copyright_len'];
319 $thisfile_real_chunks_currentchunk['comment_len'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 2));
321 $thisfile_real_chunks_currentchunk['comment'] = (string) substr($ChunkData, $offset, $thisfile_real_chunks_currentchunk['comment_len']);
322 $offset +
= $thisfile_real_chunks_currentchunk['comment_len'];
325 $commentkeystocopy = array('title'=>'title', 'artist'=>'artist', 'copyright'=>'copyright', 'comment'=>'comment');
326 foreach ($commentkeystocopy as $key => $val) {
327 if ($thisfile_real_chunks_currentchunk[$key]) {
328 $info['real']['comments'][$val][] = trim($thisfile_real_chunks_currentchunk[$key]);
336 case 'DATA': // Data Chunk Header
340 case 'INDX': // Index Section Header
341 $thisfile_real_chunks_currentchunk['object_version'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 2));
343 if ($thisfile_real_chunks_currentchunk['object_version'] == 0) {
344 $thisfile_real_chunks_currentchunk['num_indices'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
346 $thisfile_real_chunks_currentchunk['stream_number'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 2));
348 $thisfile_real_chunks_currentchunk['next_index_header'] = getid3_lib
::BigEndian2Int(substr($ChunkData, $offset, 4));
351 if ($thisfile_real_chunks_currentchunk['next_index_header'] == 0) {
352 // last index chunk found, ignore rest of file
355 // non-last index chunk, seek to next index chunk (skipping actual index data)
356 $this->fseek($thisfile_real_chunks_currentchunk['next_index_header']);
362 $this->warning('Unhandled RealMedia chunk "'.$ChunkName.'" at offset '.$thisfile_real_chunks_currentchunk['offset']);
368 if (!empty($info['audio']['streams'])) {
369 $info['audio']['bitrate'] = 0;
370 foreach ($info['audio']['streams'] as $key => $valuearray) {
371 $info['audio']['bitrate'] +
= $valuearray['bitrate'];
379 * @param string $OldRAheaderData
380 * @param array $ParsedArray
384 public function ParseOldRAheader($OldRAheaderData, &$ParsedArray) {
385 // http://www.freelists.org/archives/matroska-devel/07-2003/msg00010.html
387 $ParsedArray = array();
388 $ParsedArray['magic'] = substr($OldRAheaderData, 0, 4);
389 if ($ParsedArray['magic'] != '.ra'."\xFD") {
392 $ParsedArray['version1'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 4, 2));
394 if ($ParsedArray['version1'] < 3) {
398 } elseif ($ParsedArray['version1'] == 3) {
400 $ParsedArray['fourcc1'] = '.ra3';
401 $ParsedArray['bits_per_sample'] = 16; // hard-coded for old versions?
402 $ParsedArray['sample_rate'] = 8000; // hard-coded for old versions?
404 $ParsedArray['header_size'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 6, 2));
405 $ParsedArray['channels'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 8, 2)); // always 1 (?)
406 //$ParsedArray['unknown1'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 10, 2));
407 //$ParsedArray['unknown2'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 12, 2));
408 //$ParsedArray['unknown3'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 14, 2));
409 $ParsedArray['bytes_per_minute'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 16, 2));
410 $ParsedArray['audio_bytes'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 18, 4));
411 $ParsedArray['comments_raw'] = substr($OldRAheaderData, 22, $ParsedArray['header_size'] - 22 +
1); // not including null terminator
414 $commentlength = getid3_lib
::BigEndian2Int(substr($ParsedArray['comments_raw'], $commentoffset++
, 1));
415 $ParsedArray['comments']['title'][] = substr($ParsedArray['comments_raw'], $commentoffset, $commentlength);
416 $commentoffset +
= $commentlength;
418 $commentlength = getid3_lib
::BigEndian2Int(substr($ParsedArray['comments_raw'], $commentoffset++
, 1));
419 $ParsedArray['comments']['artist'][] = substr($ParsedArray['comments_raw'], $commentoffset, $commentlength);
420 $commentoffset +
= $commentlength;
422 $commentlength = getid3_lib
::BigEndian2Int(substr($ParsedArray['comments_raw'], $commentoffset++
, 1));
423 $ParsedArray['comments']['copyright'][] = substr($ParsedArray['comments_raw'], $commentoffset, $commentlength);
424 $commentoffset +
= $commentlength;
426 $commentoffset++
; // final null terminator (?)
427 $commentoffset++
; // fourcc length (?) should be 4
428 $ParsedArray['fourcc'] = substr($OldRAheaderData, 23 +
$commentoffset, 4);
430 } elseif ($ParsedArray['version1'] <= 5) {
432 //$ParsedArray['unknown1'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 6, 2));
433 $ParsedArray['fourcc1'] = substr($OldRAheaderData, 8, 4);
434 $ParsedArray['file_size'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 12, 4));
435 $ParsedArray['version2'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 16, 2));
436 $ParsedArray['header_size'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 18, 4));
437 $ParsedArray['codec_flavor_id'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 22, 2));
438 $ParsedArray['coded_frame_size'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 24, 4));
439 $ParsedArray['audio_bytes'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 28, 4));
440 $ParsedArray['bytes_per_minute'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 32, 4));
441 //$ParsedArray['unknown5'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 36, 4));
442 $ParsedArray['sub_packet_h'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 40, 2));
443 $ParsedArray['frame_size'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 42, 2));
444 $ParsedArray['sub_packet_size'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 44, 2));
445 //$ParsedArray['unknown6'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 46, 2));
447 switch ($ParsedArray['version1']) {
450 $ParsedArray['sample_rate'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 48, 2));
451 //$ParsedArray['unknown8'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 50, 2));
452 $ParsedArray['bits_per_sample'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 52, 2));
453 $ParsedArray['channels'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 54, 2));
454 $ParsedArray['length_fourcc2'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 56, 1));
455 $ParsedArray['fourcc2'] = substr($OldRAheaderData, 57, 4);
456 $ParsedArray['length_fourcc3'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 61, 1));
457 $ParsedArray['fourcc3'] = substr($OldRAheaderData, 62, 4);
458 //$ParsedArray['unknown9'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 66, 1));
459 //$ParsedArray['unknown10'] = getid3_lib::BigEndian2Int(substr($OldRAheaderData, 67, 2));
460 $ParsedArray['comments_raw'] = substr($OldRAheaderData, 69, $ParsedArray['header_size'] - 69 +
16);
463 $commentlength = getid3_lib
::BigEndian2Int(substr($ParsedArray['comments_raw'], $commentoffset++
, 1));
464 $ParsedArray['comments']['title'][] = substr($ParsedArray['comments_raw'], $commentoffset, $commentlength);
465 $commentoffset +
= $commentlength;
467 $commentlength = getid3_lib
::BigEndian2Int(substr($ParsedArray['comments_raw'], $commentoffset++
, 1));
468 $ParsedArray['comments']['artist'][] = substr($ParsedArray['comments_raw'], $commentoffset, $commentlength);
469 $commentoffset +
= $commentlength;
471 $commentlength = getid3_lib
::BigEndian2Int(substr($ParsedArray['comments_raw'], $commentoffset++
, 1));
472 $ParsedArray['comments']['copyright'][] = substr($ParsedArray['comments_raw'], $commentoffset, $commentlength);
473 $commentoffset +
= $commentlength;
477 $ParsedArray['sample_rate'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 48, 4));
478 $ParsedArray['sample_rate2'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 52, 4));
479 $ParsedArray['bits_per_sample'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 56, 4));
480 $ParsedArray['channels'] = getid3_lib
::BigEndian2Int(substr($OldRAheaderData, 60, 2));
481 $ParsedArray['genr'] = substr($OldRAheaderData, 62, 4);
482 $ParsedArray['fourcc3'] = substr($OldRAheaderData, 66, 4);
483 $ParsedArray['comments'] = array();
486 $ParsedArray['fourcc'] = $ParsedArray['fourcc3'];
489 /** @var string[]|false[] $value */
490 foreach ($ParsedArray['comments'] as $key => $value) {
491 if ($value[0] === false) {
492 $ParsedArray['comments'][$key][0] = '';
500 * @param string $fourcc
501 * @param int $bitrate
505 public function RealAudioCodecFourCClookup($fourcc, $bitrate) {
506 static $RealAudioCodecFourCClookup = array();
507 if (empty($RealAudioCodecFourCClookup)) {
508 // http://www.its.msstate.edu/net/real/reports/config/tags.stats
509 // http://www.freelists.org/archives/matroska-devel/06-2003/fullthread18.html
511 $RealAudioCodecFourCClookup['14_4'][8000] = 'RealAudio v2 (14.4kbps)';
512 $RealAudioCodecFourCClookup['14.4'][8000] = 'RealAudio v2 (14.4kbps)';
513 $RealAudioCodecFourCClookup['lpcJ'][8000] = 'RealAudio v2 (14.4kbps)';
514 $RealAudioCodecFourCClookup['28_8'][15200] = 'RealAudio v2 (28.8kbps)';
515 $RealAudioCodecFourCClookup['28.8'][15200] = 'RealAudio v2 (28.8kbps)';
516 $RealAudioCodecFourCClookup['sipr'][4933] = 'RealAudio v4 (5kbps Voice)';
517 $RealAudioCodecFourCClookup['sipr'][6444] = 'RealAudio v4 (6.5kbps Voice)';
518 $RealAudioCodecFourCClookup['sipr'][8444] = 'RealAudio v4 (8.5kbps Voice)';
519 $RealAudioCodecFourCClookup['sipr'][16000] = 'RealAudio v4 (16kbps Wideband)';
520 $RealAudioCodecFourCClookup['dnet'][8000] = 'RealAudio v3 (8kbps Music)';
521 $RealAudioCodecFourCClookup['dnet'][16000] = 'RealAudio v3 (16kbps Music Low Response)';
522 $RealAudioCodecFourCClookup['dnet'][15963] = 'RealAudio v3 (16kbps Music Mid/High Response)';
523 $RealAudioCodecFourCClookup['dnet'][20000] = 'RealAudio v3 (20kbps Music Stereo)';
524 $RealAudioCodecFourCClookup['dnet'][32000] = 'RealAudio v3 (32kbps Music Mono)';
525 $RealAudioCodecFourCClookup['dnet'][31951] = 'RealAudio v3 (32kbps Music Stereo)';
526 $RealAudioCodecFourCClookup['dnet'][39965] = 'RealAudio v3 (40kbps Music Mono)';
527 $RealAudioCodecFourCClookup['dnet'][40000] = 'RealAudio v3 (40kbps Music Stereo)';
528 $RealAudioCodecFourCClookup['dnet'][79947] = 'RealAudio v3 (80kbps Music Mono)';
529 $RealAudioCodecFourCClookup['dnet'][80000] = 'RealAudio v3 (80kbps Music Stereo)';
531 $RealAudioCodecFourCClookup['dnet'][0] = 'RealAudio v3';
532 $RealAudioCodecFourCClookup['sipr'][0] = 'RealAudio v4';
533 $RealAudioCodecFourCClookup['cook'][0] = 'RealAudio G2';
534 $RealAudioCodecFourCClookup['atrc'][0] = 'RealAudio 8';
536 $roundbitrate = intval(round($bitrate));
537 if (isset($RealAudioCodecFourCClookup[$fourcc][$roundbitrate])) {
538 return $RealAudioCodecFourCClookup[$fourcc][$roundbitrate];
539 } elseif (isset($RealAudioCodecFourCClookup[$fourcc][0])) {
540 return $RealAudioCodecFourCClookup[$fourcc][0];