ILIAS  release_5-4 Revision v5.4.26-12-gabc799a52e6
Public Member Functions | Static Public Member Functions | Protected Attributes | Private Member Functions
getid3_riff Class Reference
+ Inheritance diagram for getid3_riff:
+ Collaboration diagram for getid3_riff:

Public Member Functions

 Analyze ()
 
 ParseRIFFAMV ($startoffset, $maxoffset)
 
 ParseRIFF ($startoffset, $maxoffset)
 
 ParseRIFFdata (&$RIFFdata)
 
 parseWavPackHeader ($WavPackChunkData)
 
- Public Member Functions inherited from getid3_handler
 __construct (getID3 $getid3, $call_module=null)
 
 Analyze ()
 
 AnalyzeString ($string)
 
 setStringMode ($string)
 
 saveAttachment ($name, $offset, $length, $image_mime=null)
 

Static Public Member Functions

static parseComments (&$RIFFinfoArray, &$CommentsTargetArray)
 
static parseWAVEFORMATex ($WaveFormatExData)
 
static ParseBITMAPINFOHEADER ($BITMAPINFOHEADER, $littleEndian=true)
 
static ParseDIVXTAG ($DIVXTAG, $raw=false)
 
static waveSNDMtagLookup ($tagshortname)
 
static wFormatTagLookup ($wFormatTag)
 
static fourccLookup ($fourcc)
 

Protected Attributes

 $container = 'riff'
 
- Protected Attributes inherited from getid3_handler
 $getid3
 
 $data_string_flag = false
 
 $data_string = ''
 
 $data_string_position = 0
 
 $data_string_length = 0
 

Private Member Functions

 EitherEndian2Int ($byteword, $signed=false)
 

Additional Inherited Members

- Protected Member Functions inherited from getid3_handler
 ftell ()
 
 fread ($bytes)
 
 fseek ($bytes, $whence=SEEK_SET)
 
 feof ()
 
 isDependencyFor ($module)
 
 error ($text)
 
 warning ($text)
 
 notice ($text)
 

Detailed Description

Definition at line 30 of file module.audio-video.riff.php.

Member Function Documentation

◆ Analyze()

getid3_riff::Analyze ( )

Reimplemented from getid3_handler.

Definition at line 34 of file module.audio-video.riff.php.

34 {
35 $info = &$this->getid3->info;
36
37 // initialize these values to an empty array, otherwise they default to NULL
38 // and you can't append array values to a NULL value
39 $info['riff'] = array('raw'=>array());
40
41 // Shortcuts
42 $thisfile_riff = &$info['riff'];
43 $thisfile_riff_raw = &$thisfile_riff['raw'];
44 $thisfile_audio = &$info['audio'];
45 $thisfile_video = &$info['video'];
46 $thisfile_audio_dataformat = &$thisfile_audio['dataformat'];
47 $thisfile_riff_audio = &$thisfile_riff['audio'];
48 $thisfile_riff_video = &$thisfile_riff['video'];
49
50 $Original['avdataoffset'] = $info['avdataoffset'];
51 $Original['avdataend'] = $info['avdataend'];
52
53 $this->fseek($info['avdataoffset']);
54 $RIFFheader = $this->fread(12);
55 $offset = $this->ftell();
56 $RIFFtype = substr($RIFFheader, 0, 4);
57 $RIFFsize = substr($RIFFheader, 4, 4);
58 $RIFFsubtype = substr($RIFFheader, 8, 4);
59
60 switch ($RIFFtype) {
61
62 case 'FORM': // AIFF, AIFC
63 //$info['fileformat'] = 'aiff';
64 $this->container = 'aiff';
65 $thisfile_riff['header_size'] = $this->EitherEndian2Int($RIFFsize);
66 $thisfile_riff[$RIFFsubtype] = $this->ParseRIFF($offset, ($offset + $thisfile_riff['header_size'] - 4));
67 break;
68
69 case 'RIFF': // AVI, WAV, etc
70 case 'SDSS': // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com)
71 case 'RMP3': // RMP3 is identical to RIFF, just renamed. Used by [unknown program] when creating RIFF-MP3s
72 //$info['fileformat'] = 'riff';
73 $this->container = 'riff';
74 $thisfile_riff['header_size'] = $this->EitherEndian2Int($RIFFsize);
75 if ($RIFFsubtype == 'RMP3') {
76 // RMP3 is identical to WAVE, just renamed. Used by [unknown program] when creating RIFF-MP3s
77 $RIFFsubtype = 'WAVE';
78 }
79 if ($RIFFsubtype != 'AMV ') {
80 // AMV files are RIFF-AVI files with parts of the spec deliberately broken, such as chunk size fields hardcoded to zero (because players known in hardware that these fields are always a certain size
81 // Handled separately in ParseRIFFAMV()
82 $thisfile_riff[$RIFFsubtype] = $this->ParseRIFF($offset, ($offset + $thisfile_riff['header_size'] - 4));
83 }
84 if (($info['avdataend'] - $info['filesize']) == 1) {
85 // LiteWave appears to incorrectly *not* pad actual output file
86 // to nearest WORD boundary so may appear to be short by one
87 // byte, in which case - skip warning
88 $info['avdataend'] = $info['filesize'];
89 }
90
91 $nextRIFFoffset = $Original['avdataoffset'] + 8 + $thisfile_riff['header_size']; // 8 = "RIFF" + 32-bit offset
92 while ($nextRIFFoffset < min($info['filesize'], $info['avdataend'])) {
93 try {
94 $this->fseek($nextRIFFoffset);
95 } catch (getid3_exception $e) {
96 if ($e->getCode() == 10) {
97 //$this->warning('RIFF parser: '.$e->getMessage());
98 $this->error('AVI extends beyond '.round(PHP_INT_MAX / 1073741824).'GB and PHP filesystem functions cannot read that far, playtime may be wrong');
99 $this->warning('[avdataend] value may be incorrect, multiple AVIX chunks may be present');
100 break;
101 } else {
102 throw $e;
103 }
104 }
105 $nextRIFFheader = $this->fread(12);
106 if ($nextRIFFoffset == ($info['avdataend'] - 1)) {
107 if (substr($nextRIFFheader, 0, 1) == "\x00") {
108 // RIFF padded to WORD boundary, we're actually already at the end
109 break;
110 }
111 }
112 $nextRIFFheaderID = substr($nextRIFFheader, 0, 4);
113 $nextRIFFsize = $this->EitherEndian2Int(substr($nextRIFFheader, 4, 4));
114 $nextRIFFtype = substr($nextRIFFheader, 8, 4);
115 $chunkdata = array();
116 $chunkdata['offset'] = $nextRIFFoffset + 8;
117 $chunkdata['size'] = $nextRIFFsize;
118 $nextRIFFoffset = $chunkdata['offset'] + $chunkdata['size'];
119
120 switch ($nextRIFFheaderID) {
121 case 'RIFF':
122 $chunkdata['chunks'] = $this->ParseRIFF($chunkdata['offset'] + 4, $nextRIFFoffset);
123 if (!isset($thisfile_riff[$nextRIFFtype])) {
124 $thisfile_riff[$nextRIFFtype] = array();
125 }
126 $thisfile_riff[$nextRIFFtype][] = $chunkdata;
127 break;
128
129 case 'AMV ':
130 unset($info['riff']);
131 $info['amv'] = $this->ParseRIFFAMV($chunkdata['offset'] + 4, $nextRIFFoffset);
132 break;
133
134 case 'JUNK':
135 // ignore
136 $thisfile_riff[$nextRIFFheaderID][] = $chunkdata;
137 break;
138
139 case 'IDVX':
140 $info['divxtag']['comments'] = self::ParseDIVXTAG($this->fread($chunkdata['size']));
141 break;
142
143 default:
144 if ($info['filesize'] == ($chunkdata['offset'] - 8 + 128)) {
145 $DIVXTAG = $nextRIFFheader.$this->fread(128 - 12);
146 if (substr($DIVXTAG, -7) == 'DIVXTAG') {
147 // DIVXTAG is supposed to be inside an IDVX chunk in a LIST chunk, but some bad encoders just slap it on the end of a file
148 $this->warning('Found wrongly-structured DIVXTAG at offset '.($this->ftell() - 128).', parsing anyway');
149 $info['divxtag']['comments'] = self::ParseDIVXTAG($DIVXTAG);
150 break 2;
151 }
152 }
153 $this->warning('Expecting "RIFF|JUNK|IDVX" at '.$nextRIFFoffset.', found "'.$nextRIFFheaderID.'" ('.getid3_lib::PrintHexBytes($nextRIFFheaderID).') - skipping rest of file');
154 break 2;
155
156 }
157
158 }
159 if ($RIFFsubtype == 'WAVE') {
160 $thisfile_riff_WAVE = &$thisfile_riff['WAVE'];
161 }
162 break;
163
164 default:
165 $this->error('Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?) - expecting "FORM|RIFF|SDSS|RMP3" found "'.$RIFFsubtype.'" instead');
166 //unset($info['fileformat']);
167 return false;
168 }
169
170 $streamindex = 0;
171 switch ($RIFFsubtype) {
172
173 // http://en.wikipedia.org/wiki/Wav
174 case 'WAVE':
175 $info['fileformat'] = 'wav';
176
177 if (empty($thisfile_audio['bitrate_mode'])) {
178 $thisfile_audio['bitrate_mode'] = 'cbr';
179 }
180 if (empty($thisfile_audio_dataformat)) {
181 $thisfile_audio_dataformat = 'wav';
182 }
183
184 if (isset($thisfile_riff_WAVE['data'][0]['offset'])) {
185 $info['avdataoffset'] = $thisfile_riff_WAVE['data'][0]['offset'] + 8;
186 $info['avdataend'] = $info['avdataoffset'] + $thisfile_riff_WAVE['data'][0]['size'];
187 }
188 if (isset($thisfile_riff_WAVE['fmt '][0]['data'])) {
189
190 $thisfile_riff_audio[$streamindex] = self::parseWAVEFORMATex($thisfile_riff_WAVE['fmt '][0]['data']);
191 $thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag'];
192 if (!isset($thisfile_riff_audio[$streamindex]['bitrate']) || ($thisfile_riff_audio[$streamindex]['bitrate'] == 0)) {
193 $this->error('Corrupt RIFF file: bitrate_audio == zero');
194 return false;
195 }
196 $thisfile_riff_raw['fmt '] = $thisfile_riff_audio[$streamindex]['raw'];
197 unset($thisfile_riff_audio[$streamindex]['raw']);
198 $thisfile_audio['streams'][$streamindex] = $thisfile_riff_audio[$streamindex];
199
200 $thisfile_audio = getid3_lib::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]);
201 if (substr($thisfile_audio['codec'], 0, strlen('unknown: 0x')) == 'unknown: 0x') {
202 $this->warning('Audio codec = '.$thisfile_audio['codec']);
203 }
204 $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate'];
205
206 if (empty($info['playtime_seconds'])) { // may already be set (e.g. DTS-WAV)
207 $info['playtime_seconds'] = (float) ((($info['avdataend'] - $info['avdataoffset']) * 8) / $thisfile_audio['bitrate']);
208 }
209
210 $thisfile_audio['lossless'] = false;
211 if (isset($thisfile_riff_WAVE['data'][0]['offset']) && isset($thisfile_riff_raw['fmt ']['wFormatTag'])) {
212 switch ($thisfile_riff_raw['fmt ']['wFormatTag']) {
213
214 case 0x0001: // PCM
215 $thisfile_audio['lossless'] = true;
216 break;
217
218 case 0x2000: // AC-3
219 $thisfile_audio_dataformat = 'ac3';
220 break;
221
222 default:
223 // do nothing
224 break;
225
226 }
227 }
228 $thisfile_audio['streams'][$streamindex]['wformattag'] = $thisfile_audio['wformattag'];
229 $thisfile_audio['streams'][$streamindex]['bitrate_mode'] = $thisfile_audio['bitrate_mode'];
230 $thisfile_audio['streams'][$streamindex]['lossless'] = $thisfile_audio['lossless'];
231 $thisfile_audio['streams'][$streamindex]['dataformat'] = $thisfile_audio_dataformat;
232 }
233
234 if (isset($thisfile_riff_WAVE['rgad'][0]['data'])) {
235
236 // shortcuts
237 $rgadData = &$thisfile_riff_WAVE['rgad'][0]['data'];
238 $thisfile_riff_raw['rgad'] = array('track'=>array(), 'album'=>array());
239 $thisfile_riff_raw_rgad = &$thisfile_riff_raw['rgad'];
240 $thisfile_riff_raw_rgad_track = &$thisfile_riff_raw_rgad['track'];
241 $thisfile_riff_raw_rgad_album = &$thisfile_riff_raw_rgad['album'];
242
243 $thisfile_riff_raw_rgad['fPeakAmplitude'] = getid3_lib::LittleEndian2Float(substr($rgadData, 0, 4));
244 $thisfile_riff_raw_rgad['nRadioRgAdjust'] = $this->EitherEndian2Int(substr($rgadData, 4, 2));
245 $thisfile_riff_raw_rgad['nAudiophileRgAdjust'] = $this->EitherEndian2Int(substr($rgadData, 6, 2));
246
247 $nRadioRgAdjustBitstring = str_pad(getid3_lib::Dec2Bin($thisfile_riff_raw_rgad['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT);
248 $nAudiophileRgAdjustBitstring = str_pad(getid3_lib::Dec2Bin($thisfile_riff_raw_rgad['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT);
249 $thisfile_riff_raw_rgad_track['name'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 0, 3));
250 $thisfile_riff_raw_rgad_track['originator'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 3, 3));
251 $thisfile_riff_raw_rgad_track['signbit'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 6, 1));
252 $thisfile_riff_raw_rgad_track['adjustment'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 7, 9));
253 $thisfile_riff_raw_rgad_album['name'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 0, 3));
254 $thisfile_riff_raw_rgad_album['originator'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 3, 3));
255 $thisfile_riff_raw_rgad_album['signbit'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 6, 1));
256 $thisfile_riff_raw_rgad_album['adjustment'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 7, 9));
257
258 $thisfile_riff['rgad']['peakamplitude'] = $thisfile_riff_raw_rgad['fPeakAmplitude'];
259 if (($thisfile_riff_raw_rgad_track['name'] != 0) && ($thisfile_riff_raw_rgad_track['originator'] != 0)) {
260 $thisfile_riff['rgad']['track']['name'] = getid3_lib::RGADnameLookup($thisfile_riff_raw_rgad_track['name']);
261 $thisfile_riff['rgad']['track']['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_riff_raw_rgad_track['originator']);
262 $thisfile_riff['rgad']['track']['adjustment'] = getid3_lib::RGADadjustmentLookup($thisfile_riff_raw_rgad_track['adjustment'], $thisfile_riff_raw_rgad_track['signbit']);
263 }
264 if (($thisfile_riff_raw_rgad_album['name'] != 0) && ($thisfile_riff_raw_rgad_album['originator'] != 0)) {
265 $thisfile_riff['rgad']['album']['name'] = getid3_lib::RGADnameLookup($thisfile_riff_raw_rgad_album['name']);
266 $thisfile_riff['rgad']['album']['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_riff_raw_rgad_album['originator']);
267 $thisfile_riff['rgad']['album']['adjustment'] = getid3_lib::RGADadjustmentLookup($thisfile_riff_raw_rgad_album['adjustment'], $thisfile_riff_raw_rgad_album['signbit']);
268 }
269 }
270
271 if (isset($thisfile_riff_WAVE['fact'][0]['data'])) {
272 $thisfile_riff_raw['fact']['NumberOfSamples'] = $this->EitherEndian2Int(substr($thisfile_riff_WAVE['fact'][0]['data'], 0, 4));
273
274 // This should be a good way of calculating exact playtime,
275 // but some sample files have had incorrect number of samples,
276 // so cannot use this method
277
278 // if (!empty($thisfile_riff_raw['fmt ']['nSamplesPerSec'])) {
279 // $info['playtime_seconds'] = (float) $thisfile_riff_raw['fact']['NumberOfSamples'] / $thisfile_riff_raw['fmt ']['nSamplesPerSec'];
280 // }
281 }
282 if (!empty($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'])) {
283 $thisfile_audio['bitrate'] = getid3_lib::CastAsInt($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'] * 8);
284 }
285
286 if (isset($thisfile_riff_WAVE['bext'][0]['data'])) {
287 // shortcut
288 $thisfile_riff_WAVE_bext_0 = &$thisfile_riff_WAVE['bext'][0];
289
290 $thisfile_riff_WAVE_bext_0['title'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 0, 256));
291 $thisfile_riff_WAVE_bext_0['author'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 256, 32));
292 $thisfile_riff_WAVE_bext_0['reference'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 288, 32));
293 $thisfile_riff_WAVE_bext_0['origin_date'] = substr($thisfile_riff_WAVE_bext_0['data'], 320, 10);
294 $thisfile_riff_WAVE_bext_0['origin_time'] = substr($thisfile_riff_WAVE_bext_0['data'], 330, 8);
295 $thisfile_riff_WAVE_bext_0['time_reference'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 338, 8));
296 $thisfile_riff_WAVE_bext_0['bwf_version'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 346, 1));
297 $thisfile_riff_WAVE_bext_0['reserved'] = substr($thisfile_riff_WAVE_bext_0['data'], 347, 254);
298 $thisfile_riff_WAVE_bext_0['coding_history'] = explode("\r\n", trim(substr($thisfile_riff_WAVE_bext_0['data'], 601)));
299 if (preg_match('#^([0-9]{4}).([0-9]{2}).([0-9]{2})$#', $thisfile_riff_WAVE_bext_0['origin_date'], $matches_bext_date)) {
300 if (preg_match('#^([0-9]{2}).([0-9]{2}).([0-9]{2})$#', $thisfile_riff_WAVE_bext_0['origin_time'], $matches_bext_time)) {
301 list($dummy, $bext_timestamp['year'], $bext_timestamp['month'], $bext_timestamp['day']) = $matches_bext_date;
302 list($dummy, $bext_timestamp['hour'], $bext_timestamp['minute'], $bext_timestamp['second']) = $matches_bext_time;
303 $thisfile_riff_WAVE_bext_0['origin_date_unix'] = gmmktime($bext_timestamp['hour'], $bext_timestamp['minute'], $bext_timestamp['second'], $bext_timestamp['month'], $bext_timestamp['day'], $bext_timestamp['year']);
304 } else {
305 $this->warning('RIFF.WAVE.BEXT.origin_time is invalid');
306 }
307 } else {
308 $this->warning('RIFF.WAVE.BEXT.origin_date is invalid');
309 }
310 $thisfile_riff['comments']['author'][] = $thisfile_riff_WAVE_bext_0['author'];
311 $thisfile_riff['comments']['title'][] = $thisfile_riff_WAVE_bext_0['title'];
312 }
313
314 if (isset($thisfile_riff_WAVE['MEXT'][0]['data'])) {
315 // shortcut
316 $thisfile_riff_WAVE_MEXT_0 = &$thisfile_riff_WAVE['MEXT'][0];
317
318 $thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 0, 2));
319 $thisfile_riff_WAVE_MEXT_0['flags']['homogenous'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0001);
320 if ($thisfile_riff_WAVE_MEXT_0['flags']['homogenous']) {
321 $thisfile_riff_WAVE_MEXT_0['flags']['padding'] = ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0002) ? false : true;
322 $thisfile_riff_WAVE_MEXT_0['flags']['22_or_44'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0004);
323 $thisfile_riff_WAVE_MEXT_0['flags']['free_format'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0008);
324
325 $thisfile_riff_WAVE_MEXT_0['nominal_frame_size'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 2, 2));
326 }
327 $thisfile_riff_WAVE_MEXT_0['anciliary_data_length'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 6, 2));
328 $thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 8, 2));
329 $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_left'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x0001);
330 $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_free'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x0002);
331 $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_right'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x0004);
332 }
333
334 if (isset($thisfile_riff_WAVE['cart'][0]['data'])) {
335 // shortcut
336 $thisfile_riff_WAVE_cart_0 = &$thisfile_riff_WAVE['cart'][0];
337
338 $thisfile_riff_WAVE_cart_0['version'] = substr($thisfile_riff_WAVE_cart_0['data'], 0, 4);
339 $thisfile_riff_WAVE_cart_0['title'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 4, 64));
340 $thisfile_riff_WAVE_cart_0['artist'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 68, 64));
341 $thisfile_riff_WAVE_cart_0['cut_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 132, 64));
342 $thisfile_riff_WAVE_cart_0['client_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 196, 64));
343 $thisfile_riff_WAVE_cart_0['category'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 260, 64));
344 $thisfile_riff_WAVE_cart_0['classification'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 324, 64));
345 $thisfile_riff_WAVE_cart_0['out_cue'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 388, 64));
346 $thisfile_riff_WAVE_cart_0['start_date'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 452, 10));
347 $thisfile_riff_WAVE_cart_0['start_time'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 462, 8));
348 $thisfile_riff_WAVE_cart_0['end_date'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 470, 10));
349 $thisfile_riff_WAVE_cart_0['end_time'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 480, 8));
350 $thisfile_riff_WAVE_cart_0['producer_app_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 488, 64));
351 $thisfile_riff_WAVE_cart_0['producer_app_version'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 552, 64));
352 $thisfile_riff_WAVE_cart_0['user_defined_text'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 616, 64));
353 $thisfile_riff_WAVE_cart_0['zero_db_reference'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 680, 4), true);
354 for ($i = 0; $i < 8; $i++) {
355 $thisfile_riff_WAVE_cart_0['post_time'][$i]['usage_fourcc'] = substr($thisfile_riff_WAVE_cart_0['data'], 684 + ($i * 8), 4);
356 $thisfile_riff_WAVE_cart_0['post_time'][$i]['timer_value'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 684 + ($i * 8) + 4, 4));
357 }
358 $thisfile_riff_WAVE_cart_0['url'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 748, 1024));
359 $thisfile_riff_WAVE_cart_0['tag_text'] = explode("\r\n", trim(substr($thisfile_riff_WAVE_cart_0['data'], 1772)));
360
361 $thisfile_riff['comments']['artist'][] = $thisfile_riff_WAVE_cart_0['artist'];
362 $thisfile_riff['comments']['title'][] = $thisfile_riff_WAVE_cart_0['title'];
363 }
364
365 if (isset($thisfile_riff_WAVE['SNDM'][0]['data'])) {
366 // SoundMiner metadata
367
368 // shortcuts
369 $thisfile_riff_WAVE_SNDM_0 = &$thisfile_riff_WAVE['SNDM'][0];
370 $thisfile_riff_WAVE_SNDM_0_data = &$thisfile_riff_WAVE_SNDM_0['data'];
371 $SNDM_startoffset = 0;
372 $SNDM_endoffset = $thisfile_riff_WAVE_SNDM_0['size'];
373
374 while ($SNDM_startoffset < $SNDM_endoffset) {
375 $SNDM_thisTagOffset = 0;
376 $SNDM_thisTagSize = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 4));
377 $SNDM_thisTagOffset += 4;
378 $SNDM_thisTagKey = substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 4);
379 $SNDM_thisTagOffset += 4;
380 $SNDM_thisTagDataSize = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 2));
381 $SNDM_thisTagOffset += 2;
382 $SNDM_thisTagDataFlags = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 2));
383 $SNDM_thisTagOffset += 2;
384 $SNDM_thisTagDataText = substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, $SNDM_thisTagDataSize);
385 $SNDM_thisTagOffset += $SNDM_thisTagDataSize;
386
387 if ($SNDM_thisTagSize != (4 + 4 + 2 + 2 + $SNDM_thisTagDataSize)) {
388 $this->warning('RIFF.WAVE.SNDM.data contains tag not expected length (expected: '.$SNDM_thisTagSize.', found: '.(4 + 4 + 2 + 2 + $SNDM_thisTagDataSize).') at offset '.$SNDM_startoffset.' (file offset '.($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset).')');
389 break;
390 } elseif ($SNDM_thisTagSize <= 0) {
391 $this->warning('RIFF.WAVE.SNDM.data contains zero-size tag at offset '.$SNDM_startoffset.' (file offset '.($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset).')');
392 break;
393 }
394 $SNDM_startoffset += $SNDM_thisTagSize;
395
396 $thisfile_riff_WAVE_SNDM_0['parsed_raw'][$SNDM_thisTagKey] = $SNDM_thisTagDataText;
397 if ($parsedkey = self::waveSNDMtagLookup($SNDM_thisTagKey)) {
398 $thisfile_riff_WAVE_SNDM_0['parsed'][$parsedkey] = $SNDM_thisTagDataText;
399 } else {
400 $this->warning('RIFF.WAVE.SNDM contains unknown tag "'.$SNDM_thisTagKey.'" at offset '.$SNDM_startoffset.' (file offset '.($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset).')');
401 }
402 }
403
404 $tagmapping = array(
405 'tracktitle'=>'title',
406 'category' =>'genre',
407 'cdtitle' =>'album',
408 'tracktitle'=>'title',
409 );
410 foreach ($tagmapping as $fromkey => $tokey) {
411 if (isset($thisfile_riff_WAVE_SNDM_0['parsed'][$fromkey])) {
412 $thisfile_riff['comments'][$tokey][] = $thisfile_riff_WAVE_SNDM_0['parsed'][$fromkey];
413 }
414 }
415 }
416
417 if (isset($thisfile_riff_WAVE['iXML'][0]['data'])) {
418 // requires functions simplexml_load_string and get_object_vars
419 if ($parsedXML = getid3_lib::XML2array($thisfile_riff_WAVE['iXML'][0]['data'])) {
420 $thisfile_riff_WAVE['iXML'][0]['parsed'] = $parsedXML;
421 if (isset($parsedXML['SPEED']['MASTER_SPEED'])) {
422 @list($numerator, $denominator) = explode('/', $parsedXML['SPEED']['MASTER_SPEED']);
423 $thisfile_riff_WAVE['iXML'][0]['master_speed'] = $numerator / ($denominator ? $denominator : 1000);
424 }
425 if (isset($parsedXML['SPEED']['TIMECODE_RATE'])) {
426 @list($numerator, $denominator) = explode('/', $parsedXML['SPEED']['TIMECODE_RATE']);
427 $thisfile_riff_WAVE['iXML'][0]['timecode_rate'] = $numerator / ($denominator ? $denominator : 1000);
428 }
429 if (isset($parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_LO']) && !empty($parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']) && !empty($thisfile_riff_WAVE['iXML'][0]['timecode_rate'])) {
430 $samples_since_midnight = floatval(ltrim($parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_HI'].$parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_LO'], '0'));
431 $timestamp_sample_rate = (is_array($parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']) ? max($parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']) : $parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']); // XML could possibly contain more than one TIMESTAMP_SAMPLE_RATE tag, returning as array instead of integer [why? does it make sense? perhaps doesn't matter but getID3 needs to deal with it] - see https://github.com/JamesHeinrich/getID3/issues/105
432 $thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] = $samples_since_midnight / $timestamp_sample_rate;
433 $h = floor( $thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] / 3600);
434 $m = floor(($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - ($h * 3600)) / 60);
435 $s = floor( $thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - ($h * 3600) - ($m * 60));
436 $f = ($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - ($h * 3600) - ($m * 60) - $s) * $thisfile_riff_WAVE['iXML'][0]['timecode_rate'];
437 $thisfile_riff_WAVE['iXML'][0]['timecode_string'] = sprintf('%02d:%02d:%02d:%05.2f', $h, $m, $s, $f);
438 $thisfile_riff_WAVE['iXML'][0]['timecode_string_round'] = sprintf('%02d:%02d:%02d:%02d', $h, $m, $s, round($f));
439 unset($samples_since_midnight, $timestamp_sample_rate, $h, $m, $s, $f);
440 }
441 unset($parsedXML);
442 }
443 }
444
445
446
447 if (!isset($thisfile_audio['bitrate']) && isset($thisfile_riff_audio[$streamindex]['bitrate'])) {
448 $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate'];
449 $info['playtime_seconds'] = (float) ((($info['avdataend'] - $info['avdataoffset']) * 8) / $thisfile_audio['bitrate']);
450 }
451
452 if (!empty($info['wavpack'])) {
453 $thisfile_audio_dataformat = 'wavpack';
454 $thisfile_audio['bitrate_mode'] = 'vbr';
455 $thisfile_audio['encoder'] = 'WavPack v'.$info['wavpack']['version'];
456
457 // Reset to the way it was - RIFF parsing will have messed this up
458 $info['avdataend'] = $Original['avdataend'];
459 $thisfile_audio['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
460
461 $this->fseek($info['avdataoffset'] - 44);
462 $RIFFdata = $this->fread(44);
463 $OrignalRIFFheaderSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 4, 4)) + 8;
464 $OrignalRIFFdataSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 40, 4)) + 44;
465
466 if ($OrignalRIFFheaderSize > $OrignalRIFFdataSize) {
467 $info['avdataend'] -= ($OrignalRIFFheaderSize - $OrignalRIFFdataSize);
468 $this->fseek($info['avdataend']);
469 $RIFFdata .= $this->fread($OrignalRIFFheaderSize - $OrignalRIFFdataSize);
470 }
471
472 // move the data chunk after all other chunks (if any)
473 // so that the RIFF parser doesn't see EOF when trying
474 // to skip over the data chunk
475 $RIFFdata = substr($RIFFdata, 0, 36).substr($RIFFdata, 44).substr($RIFFdata, 36, 8);
476 $getid3_riff = new getid3_riff($this->getid3);
477 $getid3_riff->ParseRIFFdata($RIFFdata);
478 unset($getid3_riff);
479 }
480
481 if (isset($thisfile_riff_raw['fmt ']['wFormatTag'])) {
482 switch ($thisfile_riff_raw['fmt ']['wFormatTag']) {
483 case 0x0001: // PCM
484 if (!empty($info['ac3'])) {
485 // Dolby Digital WAV files masquerade as PCM-WAV, but they're not
486 $thisfile_audio['wformattag'] = 0x2000;
487 $thisfile_audio['codec'] = self::wFormatTagLookup($thisfile_audio['wformattag']);
488 $thisfile_audio['lossless'] = false;
489 $thisfile_audio['bitrate'] = $info['ac3']['bitrate'];
490 $thisfile_audio['sample_rate'] = $info['ac3']['sample_rate'];
491 }
492 if (!empty($info['dts'])) {
493 // Dolby DTS files masquerade as PCM-WAV, but they're not
494 $thisfile_audio['wformattag'] = 0x2001;
495 $thisfile_audio['codec'] = self::wFormatTagLookup($thisfile_audio['wformattag']);
496 $thisfile_audio['lossless'] = false;
497 $thisfile_audio['bitrate'] = $info['dts']['bitrate'];
498 $thisfile_audio['sample_rate'] = $info['dts']['sample_rate'];
499 }
500 break;
501 case 0x08AE: // ClearJump LiteWave
502 $thisfile_audio['bitrate_mode'] = 'vbr';
503 $thisfile_audio_dataformat = 'litewave';
504
505 //typedef struct tagSLwFormat {
506 // WORD m_wCompFormat; // low byte defines compression method, high byte is compression flags
507 // DWORD m_dwScale; // scale factor for lossy compression
508 // DWORD m_dwBlockSize; // number of samples in encoded blocks
509 // WORD m_wQuality; // alias for the scale factor
510 // WORD m_wMarkDistance; // distance between marks in bytes
511 // WORD m_wReserved;
512 //
513 // //following paramters are ignored if CF_FILESRC is not set
514 // DWORD m_dwOrgSize; // original file size in bytes
515 // WORD m_bFactExists; // indicates if 'fact' chunk exists in the original file
516 // DWORD m_dwRiffChunkSize; // riff chunk size in the original file
517 //
518 // PCMWAVEFORMAT m_OrgWf; // original wave format
519 // }SLwFormat, *PSLwFormat;
520
521 // shortcut
522 $thisfile_riff['litewave']['raw'] = array();
523 $riff_litewave = &$thisfile_riff['litewave'];
524 $riff_litewave_raw = &$riff_litewave['raw'];
525
526 $flags = array(
527 'compression_method' => 1,
528 'compression_flags' => 1,
529 'm_dwScale' => 4,
530 'm_dwBlockSize' => 4,
531 'm_wQuality' => 2,
532 'm_wMarkDistance' => 2,
533 'm_wReserved' => 2,
534 'm_dwOrgSize' => 4,
535 'm_bFactExists' => 2,
536 'm_dwRiffChunkSize' => 4,
537 );
538 $litewave_offset = 18;
539 foreach ($flags as $flag => $length) {
540 $riff_litewave_raw[$flag] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], $litewave_offset, $length));
541 $litewave_offset += $length;
542 }
543
544 //$riff_litewave['quality_factor'] = intval(round((2000 - $riff_litewave_raw['m_dwScale']) / 20));
545 $riff_litewave['quality_factor'] = $riff_litewave_raw['m_wQuality'];
546
547 $riff_litewave['flags']['raw_source'] = ($riff_litewave_raw['compression_flags'] & 0x01) ? false : true;
548 $riff_litewave['flags']['vbr_blocksize'] = ($riff_litewave_raw['compression_flags'] & 0x02) ? false : true;
549 $riff_litewave['flags']['seekpoints'] = (bool) ($riff_litewave_raw['compression_flags'] & 0x04);
550
551 $thisfile_audio['lossless'] = (($riff_litewave_raw['m_wQuality'] == 100) ? true : false);
552 $thisfile_audio['encoder_options'] = '-q'.$riff_litewave['quality_factor'];
553 break;
554
555 default:
556 break;
557 }
558 }
559 if ($info['avdataend'] > $info['filesize']) {
560 switch (!empty($thisfile_audio_dataformat) ? $thisfile_audio_dataformat : '') {
561 case 'wavpack': // WavPack
562 case 'lpac': // LPAC
563 case 'ofr': // OptimFROG
564 case 'ofs': // OptimFROG DualStream
565 // lossless compressed audio formats that keep original RIFF headers - skip warning
566 break;
567
568 case 'litewave':
569 if (($info['avdataend'] - $info['filesize']) == 1) {
570 // LiteWave appears to incorrectly *not* pad actual output file
571 // to nearest WORD boundary so may appear to be short by one
572 // byte, in which case - skip warning
573 } else {
574 // Short by more than one byte, throw warning
575 $this->warning('Probably truncated file - expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' (short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])).' bytes)');
576 $info['avdataend'] = $info['filesize'];
577 }
578 break;
579
580 default:
581 if ((($info['avdataend'] - $info['filesize']) == 1) && (($thisfile_riff[$RIFFsubtype]['data'][0]['size'] % 2) == 0) && ((($info['filesize'] - $info['avdataoffset']) % 2) == 1)) {
582 // output file appears to be incorrectly *not* padded to nearest WORD boundary
583 // Output less severe warning
584 $this->warning('File should probably be padded to nearest WORD boundary, but it is not (expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' therefore short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])).' bytes)');
585 $info['avdataend'] = $info['filesize'];
586 } else {
587 // Short by more than one byte, throw warning
588 $this->warning('Probably truncated file - expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' (short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])).' bytes)');
589 $info['avdataend'] = $info['filesize'];
590 }
591 break;
592 }
593 }
594 if (!empty($info['mpeg']['audio']['LAME']['audio_bytes'])) {
595 if ((($info['avdataend'] - $info['avdataoffset']) - $info['mpeg']['audio']['LAME']['audio_bytes']) == 1) {
596 $info['avdataend']--;
597 $this->warning('Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored');
598 }
599 }
600 if (isset($thisfile_audio_dataformat) && ($thisfile_audio_dataformat == 'ac3')) {
601 unset($thisfile_audio['bits_per_sample']);
602 if (!empty($info['ac3']['bitrate']) && ($info['ac3']['bitrate'] != $thisfile_audio['bitrate'])) {
603 $thisfile_audio['bitrate'] = $info['ac3']['bitrate'];
604 }
605 }
606 break;
607
608 // http://en.wikipedia.org/wiki/Audio_Video_Interleave
609 case 'AVI ':
610 $info['fileformat'] = 'avi';
611 $info['mime_type'] = 'video/avi';
612
613 $thisfile_video['bitrate_mode'] = 'vbr'; // maybe not, but probably
614 $thisfile_video['dataformat'] = 'avi';
615
616 if (isset($thisfile_riff[$RIFFsubtype]['movi']['offset'])) {
617 $info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['movi']['offset'] + 8;
618 if (isset($thisfile_riff['AVIX'])) {
619 $info['avdataend'] = $thisfile_riff['AVIX'][(count($thisfile_riff['AVIX']) - 1)]['chunks']['movi']['offset'] + $thisfile_riff['AVIX'][(count($thisfile_riff['AVIX']) - 1)]['chunks']['movi']['size'];
620 } else {
621 $info['avdataend'] = $thisfile_riff['AVI ']['movi']['offset'] + $thisfile_riff['AVI ']['movi']['size'];
622 }
623 if ($info['avdataend'] > $info['filesize']) {
624 $this->warning('Probably truncated file - expecting '.($info['avdataend'] - $info['avdataoffset']).' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' (short by '.($info['avdataend'] - $info['filesize']).' bytes)');
625 $info['avdataend'] = $info['filesize'];
626 }
627 }
628
629 if (isset($thisfile_riff['AVI ']['hdrl']['strl']['indx'])) {
630 //$bIndexType = array(
631 // 0x00 => 'AVI_INDEX_OF_INDEXES',
632 // 0x01 => 'AVI_INDEX_OF_CHUNKS',
633 // 0x80 => 'AVI_INDEX_IS_DATA',
634 //);
635 //$bIndexSubtype = array(
636 // 0x01 => array(
637 // 0x01 => 'AVI_INDEX_2FIELD',
638 // ),
639 //);
640 foreach ($thisfile_riff['AVI ']['hdrl']['strl']['indx'] as $streamnumber => $steamdataarray) {
641 $ahsisd = &$thisfile_riff['AVI ']['hdrl']['strl']['indx'][$streamnumber]['data'];
642
643 $thisfile_riff_raw['indx'][$streamnumber]['wLongsPerEntry'] = $this->EitherEndian2Int(substr($ahsisd, 0, 2));
644 $thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType'] = $this->EitherEndian2Int(substr($ahsisd, 2, 1));
645 $thisfile_riff_raw['indx'][$streamnumber]['bIndexType'] = $this->EitherEndian2Int(substr($ahsisd, 3, 1));
646 $thisfile_riff_raw['indx'][$streamnumber]['nEntriesInUse'] = $this->EitherEndian2Int(substr($ahsisd, 4, 4));
647 $thisfile_riff_raw['indx'][$streamnumber]['dwChunkId'] = substr($ahsisd, 8, 4);
648 $thisfile_riff_raw['indx'][$streamnumber]['dwReserved'] = $this->EitherEndian2Int(substr($ahsisd, 12, 4));
649
650 //$thisfile_riff_raw['indx'][$streamnumber]['bIndexType_name'] = $bIndexType[$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']];
651 //$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType_name'] = $bIndexSubtype[$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']][$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType']];
652
653 unset($ahsisd);
654 }
655 }
656 if (isset($thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data'])) {
657 $avihData = $thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data'];
658
659 // shortcut
660 $thisfile_riff_raw['avih'] = array();
661 $thisfile_riff_raw_avih = &$thisfile_riff_raw['avih'];
662
663 $thisfile_riff_raw_avih['dwMicroSecPerFrame'] = $this->EitherEndian2Int(substr($avihData, 0, 4)); // frame display rate (or 0L)
664 if ($thisfile_riff_raw_avih['dwMicroSecPerFrame'] == 0) {
665 $this->error('Corrupt RIFF file: avih.dwMicroSecPerFrame == zero');
666 return false;
667 }
668
669 $flags = array(
670 'dwMaxBytesPerSec', // max. transfer rate
671 'dwPaddingGranularity', // pad to multiples of this size; normally 2K.
672 'dwFlags', // the ever-present flags
673 'dwTotalFrames', // # frames in file
674 'dwInitialFrames', //
675 'dwStreams', //
676 'dwSuggestedBufferSize', //
677 'dwWidth', //
678 'dwHeight', //
679 'dwScale', //
680 'dwRate', //
681 'dwStart', //
682 'dwLength', //
683 );
684 $avih_offset = 4;
685 foreach ($flags as $flag) {
686 $thisfile_riff_raw_avih[$flag] = $this->EitherEndian2Int(substr($avihData, $avih_offset, 4));
687 $avih_offset += 4;
688 }
689
690 $flags = array(
691 'hasindex' => 0x00000010,
692 'mustuseindex' => 0x00000020,
693 'interleaved' => 0x00000100,
694 'trustcktype' => 0x00000800,
695 'capturedfile' => 0x00010000,
696 'copyrighted' => 0x00020010,
697 );
698 foreach ($flags as $flag => $value) {
699 $thisfile_riff_raw_avih['flags'][$flag] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & $value);
700 }
701
702 // shortcut
703 $thisfile_riff_video[$streamindex] = array();
704 $thisfile_riff_video_current = &$thisfile_riff_video[$streamindex];
705
706 if ($thisfile_riff_raw_avih['dwWidth'] > 0) {
707 $thisfile_riff_video_current['frame_width'] = $thisfile_riff_raw_avih['dwWidth'];
708 $thisfile_video['resolution_x'] = $thisfile_riff_video_current['frame_width'];
709 }
710 if ($thisfile_riff_raw_avih['dwHeight'] > 0) {
711 $thisfile_riff_video_current['frame_height'] = $thisfile_riff_raw_avih['dwHeight'];
712 $thisfile_video['resolution_y'] = $thisfile_riff_video_current['frame_height'];
713 }
714 if ($thisfile_riff_raw_avih['dwTotalFrames'] > 0) {
715 $thisfile_riff_video_current['total_frames'] = $thisfile_riff_raw_avih['dwTotalFrames'];
716 $thisfile_video['total_frames'] = $thisfile_riff_video_current['total_frames'];
717 }
718
719 $thisfile_riff_video_current['frame_rate'] = round(1000000 / $thisfile_riff_raw_avih['dwMicroSecPerFrame'], 3);
720 $thisfile_video['frame_rate'] = $thisfile_riff_video_current['frame_rate'];
721 }
722 if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][0]['data'])) {
723 if (is_array($thisfile_riff['AVI ']['hdrl']['strl']['strh'])) {
724 for ($i = 0; $i < count($thisfile_riff['AVI ']['hdrl']['strl']['strh']); $i++) {
725 if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data'])) {
726 $strhData = $thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data'];
727 $strhfccType = substr($strhData, 0, 4);
728
729 if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strf'][$i]['data'])) {
730 $strfData = $thisfile_riff['AVI ']['hdrl']['strl']['strf'][$i]['data'];
731
732 // shortcut
733 $thisfile_riff_raw_strf_strhfccType_streamindex = &$thisfile_riff_raw['strf'][$strhfccType][$streamindex];
734
735 switch ($strhfccType) {
736 case 'auds':
737 $thisfile_audio['bitrate_mode'] = 'cbr';
738 $thisfile_audio_dataformat = 'wav';
739 if (isset($thisfile_riff_audio) && is_array($thisfile_riff_audio)) {
740 $streamindex = count($thisfile_riff_audio);
741 }
742
743 $thisfile_riff_audio[$streamindex] = self::parseWAVEFORMATex($strfData);
744 $thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag'];
745
746 // shortcut
747 $thisfile_audio['streams'][$streamindex] = $thisfile_riff_audio[$streamindex];
748 $thisfile_audio_streams_currentstream = &$thisfile_audio['streams'][$streamindex];
749
750 if ($thisfile_audio_streams_currentstream['bits_per_sample'] == 0) {
751 unset($thisfile_audio_streams_currentstream['bits_per_sample']);
752 }
753 $thisfile_audio_streams_currentstream['wformattag'] = $thisfile_audio_streams_currentstream['raw']['wFormatTag'];
754 unset($thisfile_audio_streams_currentstream['raw']);
755
756 // shortcut
757 $thisfile_riff_raw['strf'][$strhfccType][$streamindex] = $thisfile_riff_audio[$streamindex]['raw'];
758
759 unset($thisfile_riff_audio[$streamindex]['raw']);
760 $thisfile_audio = getid3_lib::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]);
761
762 $thisfile_audio['lossless'] = false;
763 switch ($thisfile_riff_raw_strf_strhfccType_streamindex['wFormatTag']) {
764 case 0x0001: // PCM
765 $thisfile_audio_dataformat = 'wav';
766 $thisfile_audio['lossless'] = true;
767 break;
768
769 case 0x0050: // MPEG Layer 2 or Layer 1
770 $thisfile_audio_dataformat = 'mp2'; // Assume Layer-2
771 break;
772
773 case 0x0055: // MPEG Layer 3
774 $thisfile_audio_dataformat = 'mp3';
775 break;
776
777 case 0x00FF: // AAC
778 $thisfile_audio_dataformat = 'aac';
779 break;
780
781 case 0x0161: // Windows Media v7 / v8 / v9
782 case 0x0162: // Windows Media Professional v9
783 case 0x0163: // Windows Media Lossess v9
784 $thisfile_audio_dataformat = 'wma';
785 break;
786
787 case 0x2000: // AC-3
788 $thisfile_audio_dataformat = 'ac3';
789 break;
790
791 case 0x2001: // DTS
792 $thisfile_audio_dataformat = 'dts';
793 break;
794
795 default:
796 $thisfile_audio_dataformat = 'wav';
797 break;
798 }
799 $thisfile_audio_streams_currentstream['dataformat'] = $thisfile_audio_dataformat;
800 $thisfile_audio_streams_currentstream['lossless'] = $thisfile_audio['lossless'];
801 $thisfile_audio_streams_currentstream['bitrate_mode'] = $thisfile_audio['bitrate_mode'];
802 break;
803
804
805 case 'iavs':
806 case 'vids':
807 // shortcut
808 $thisfile_riff_raw['strh'][$i] = array();
809 $thisfile_riff_raw_strh_current = &$thisfile_riff_raw['strh'][$i];
810
811 $thisfile_riff_raw_strh_current['fccType'] = substr($strhData, 0, 4); // same as $strhfccType;
812 $thisfile_riff_raw_strh_current['fccHandler'] = substr($strhData, 4, 4);
813 $thisfile_riff_raw_strh_current['dwFlags'] = $this->EitherEndian2Int(substr($strhData, 8, 4)); // Contains AVITF_* flags
814 $thisfile_riff_raw_strh_current['wPriority'] = $this->EitherEndian2Int(substr($strhData, 12, 2));
815 $thisfile_riff_raw_strh_current['wLanguage'] = $this->EitherEndian2Int(substr($strhData, 14, 2));
816 $thisfile_riff_raw_strh_current['dwInitialFrames'] = $this->EitherEndian2Int(substr($strhData, 16, 4));
817 $thisfile_riff_raw_strh_current['dwScale'] = $this->EitherEndian2Int(substr($strhData, 20, 4));
818 $thisfile_riff_raw_strh_current['dwRate'] = $this->EitherEndian2Int(substr($strhData, 24, 4));
819 $thisfile_riff_raw_strh_current['dwStart'] = $this->EitherEndian2Int(substr($strhData, 28, 4));
820 $thisfile_riff_raw_strh_current['dwLength'] = $this->EitherEndian2Int(substr($strhData, 32, 4));
821 $thisfile_riff_raw_strh_current['dwSuggestedBufferSize'] = $this->EitherEndian2Int(substr($strhData, 36, 4));
822 $thisfile_riff_raw_strh_current['dwQuality'] = $this->EitherEndian2Int(substr($strhData, 40, 4));
823 $thisfile_riff_raw_strh_current['dwSampleSize'] = $this->EitherEndian2Int(substr($strhData, 44, 4));
824 $thisfile_riff_raw_strh_current['rcFrame'] = $this->EitherEndian2Int(substr($strhData, 48, 4));
825
826 $thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_riff_raw_strh_current['fccHandler']);
827 $thisfile_video['fourcc'] = $thisfile_riff_raw_strh_current['fccHandler'];
828 if (!$thisfile_riff_video_current['codec'] && isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) && self::fourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) {
829 $thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']);
830 $thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'];
831 }
832 $thisfile_video['codec'] = $thisfile_riff_video_current['codec'];
833 $thisfile_video['pixel_aspect_ratio'] = (float) 1;
834 switch ($thisfile_riff_raw_strh_current['fccHandler']) {
835 case 'HFYU': // Huffman Lossless Codec
836 case 'IRAW': // Intel YUV Uncompressed
837 case 'YUY2': // Uncompressed YUV 4:2:2
838 $thisfile_video['lossless'] = true;
839 break;
840
841 default:
842 $thisfile_video['lossless'] = false;
843 break;
844 }
845
846 switch ($strhfccType) {
847 case 'vids':
848 $thisfile_riff_raw_strf_strhfccType_streamindex = self::ParseBITMAPINFOHEADER(substr($strfData, 0, 40), ($this->container == 'riff'));
849 $thisfile_video['bits_per_sample'] = $thisfile_riff_raw_strf_strhfccType_streamindex['biBitCount'];
850
851 if ($thisfile_riff_video_current['codec'] == 'DV') {
852 $thisfile_riff_video_current['dv_type'] = 2;
853 }
854 break;
855
856 case 'iavs':
857 $thisfile_riff_video_current['dv_type'] = 1;
858 break;
859 }
860 break;
861
862 default:
863 $this->warning('Unhandled fccType for stream ('.$i.'): "'.$strhfccType.'"');
864 break;
865
866 }
867 }
868 }
869
870 if (isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) {
871
872 $thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'];
873 if (self::fourccLookup($thisfile_video['fourcc'])) {
874 $thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_video['fourcc']);
875 $thisfile_video['codec'] = $thisfile_riff_video_current['codec'];
876 }
877
878 switch ($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) {
879 case 'HFYU': // Huffman Lossless Codec
880 case 'IRAW': // Intel YUV Uncompressed
881 case 'YUY2': // Uncompressed YUV 4:2:2
882 $thisfile_video['lossless'] = true;
883 //$thisfile_video['bits_per_sample'] = 24;
884 break;
885
886 default:
887 $thisfile_video['lossless'] = false;
888 //$thisfile_video['bits_per_sample'] = 24;
889 break;
890 }
891
892 }
893 }
894 }
895 }
896 break;
897
898
899 case 'AMV ':
900 $info['fileformat'] = 'amv';
901 $info['mime_type'] = 'video/amv';
902
903 $thisfile_video['bitrate_mode'] = 'vbr'; // it's MJPEG, presumably contant-quality encoding, thereby VBR
904 $thisfile_video['dataformat'] = 'mjpeg';
905 $thisfile_video['codec'] = 'mjpeg';
906 $thisfile_video['lossless'] = false;
907 $thisfile_video['bits_per_sample'] = 24;
908
909 $thisfile_audio['dataformat'] = 'adpcm';
910 $thisfile_audio['lossless'] = false;
911 break;
912
913
914 // http://en.wikipedia.org/wiki/CD-DA
915 case 'CDDA':
916 $info['fileformat'] = 'cda';
917 unset($info['mime_type']);
918
919 $thisfile_audio_dataformat = 'cda';
920
921 $info['avdataoffset'] = 44;
922
923 if (isset($thisfile_riff['CDDA']['fmt '][0]['data'])) {
924 // shortcut
925 $thisfile_riff_CDDA_fmt_0 = &$thisfile_riff['CDDA']['fmt '][0];
926
927 $thisfile_riff_CDDA_fmt_0['unknown1'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 0, 2));
928 $thisfile_riff_CDDA_fmt_0['track_num'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 2, 2));
929 $thisfile_riff_CDDA_fmt_0['disc_id'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 4, 4));
930 $thisfile_riff_CDDA_fmt_0['start_offset_frame'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 8, 4));
931 $thisfile_riff_CDDA_fmt_0['playtime_frames'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 12, 4));
932 $thisfile_riff_CDDA_fmt_0['unknown6'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 16, 4));
933 $thisfile_riff_CDDA_fmt_0['unknown7'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 20, 4));
934
935 $thisfile_riff_CDDA_fmt_0['start_offset_seconds'] = (float) $thisfile_riff_CDDA_fmt_0['start_offset_frame'] / 75;
936 $thisfile_riff_CDDA_fmt_0['playtime_seconds'] = (float) $thisfile_riff_CDDA_fmt_0['playtime_frames'] / 75;
937 $info['comments']['track'] = $thisfile_riff_CDDA_fmt_0['track_num'];
938 $info['playtime_seconds'] = $thisfile_riff_CDDA_fmt_0['playtime_seconds'];
939
940 // hardcoded data for CD-audio
941 $thisfile_audio['lossless'] = true;
942 $thisfile_audio['sample_rate'] = 44100;
943 $thisfile_audio['channels'] = 2;
944 $thisfile_audio['bits_per_sample'] = 16;
945 $thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $thisfile_audio['channels'] * $thisfile_audio['bits_per_sample'];
946 $thisfile_audio['bitrate_mode'] = 'cbr';
947 }
948 break;
949
950 // http://en.wikipedia.org/wiki/AIFF
951 case 'AIFF':
952 case 'AIFC':
953 $info['fileformat'] = 'aiff';
954 $info['mime_type'] = 'audio/x-aiff';
955
956 $thisfile_audio['bitrate_mode'] = 'cbr';
957 $thisfile_audio_dataformat = 'aiff';
958 $thisfile_audio['lossless'] = true;
959
960 if (isset($thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'])) {
961 $info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'] + 8;
962 $info['avdataend'] = $info['avdataoffset'] + $thisfile_riff[$RIFFsubtype]['SSND'][0]['size'];
963 if ($info['avdataend'] > $info['filesize']) {
964 if (($info['avdataend'] == ($info['filesize'] + 1)) && (($info['filesize'] % 2) == 1)) {
965 // structures rounded to 2-byte boundary, but dumb encoders
966 // forget to pad end of file to make this actually work
967 } else {
968 $this->warning('Probable truncated AIFF file: expecting '.$thisfile_riff[$RIFFsubtype]['SSND'][0]['size'].' bytes of audio data, only '.($info['filesize'] - $info['avdataoffset']).' bytes found');
969 }
970 $info['avdataend'] = $info['filesize'];
971 }
972 }
973
974 if (isset($thisfile_riff[$RIFFsubtype]['COMM'][0]['data'])) {
975
976 // shortcut
977 $thisfile_riff_RIFFsubtype_COMM_0_data = &$thisfile_riff[$RIFFsubtype]['COMM'][0]['data'];
978
979 $thisfile_riff_audio['channels'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 0, 2), true);
980 $thisfile_riff_audio['total_samples'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 2, 4), false);
981 $thisfile_riff_audio['bits_per_sample'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 6, 2), true);
982 $thisfile_riff_audio['sample_rate'] = (int) getid3_lib::BigEndian2Float(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 8, 10));
983
984 if ($thisfile_riff[$RIFFsubtype]['COMM'][0]['size'] > 18) {
985 $thisfile_riff_audio['codec_fourcc'] = substr($thisfile_riff_RIFFsubtype_COMM_0_data, 18, 4);
986 $CodecNameSize = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 22, 1), false);
987 $thisfile_riff_audio['codec_name'] = substr($thisfile_riff_RIFFsubtype_COMM_0_data, 23, $CodecNameSize);
988 switch ($thisfile_riff_audio['codec_name']) {
989 case 'NONE':
990 $thisfile_audio['codec'] = 'Pulse Code Modulation (PCM)';
991 $thisfile_audio['lossless'] = true;
992 break;
993
994 case '':
995 switch ($thisfile_riff_audio['codec_fourcc']) {
996 // http://developer.apple.com/qa/snd/snd07.html
997 case 'sowt':
998 $thisfile_riff_audio['codec_name'] = 'Two\'s Compliment Little-Endian PCM';
999 $thisfile_audio['lossless'] = true;
1000 break;
1001
1002 case 'twos':
1003 $thisfile_riff_audio['codec_name'] = 'Two\'s Compliment Big-Endian PCM';
1004 $thisfile_audio['lossless'] = true;
1005 break;
1006
1007 default:
1008 break;
1009 }
1010 break;
1011
1012 default:
1013 $thisfile_audio['codec'] = $thisfile_riff_audio['codec_name'];
1014 $thisfile_audio['lossless'] = false;
1015 break;
1016 }
1017 }
1018
1019 $thisfile_audio['channels'] = $thisfile_riff_audio['channels'];
1020 if ($thisfile_riff_audio['bits_per_sample'] > 0) {
1021 $thisfile_audio['bits_per_sample'] = $thisfile_riff_audio['bits_per_sample'];
1022 }
1023 $thisfile_audio['sample_rate'] = $thisfile_riff_audio['sample_rate'];
1024 if ($thisfile_audio['sample_rate'] == 0) {
1025 $this->error('Corrupted AIFF file: sample_rate == zero');
1026 return false;
1027 }
1028 $info['playtime_seconds'] = $thisfile_riff_audio['total_samples'] / $thisfile_audio['sample_rate'];
1029 }
1030
1031 if (isset($thisfile_riff[$RIFFsubtype]['COMT'])) {
1032 $offset = 0;
1033 $CommentCount = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false);
1034 $offset += 2;
1035 for ($i = 0; $i < $CommentCount; $i++) {
1036 $info['comments_raw'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 4), false);
1037 $offset += 4;
1038 $info['comments_raw'][$i]['marker_id'] = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), true);
1039 $offset += 2;
1040 $CommentLength = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false);
1041 $offset += 2;
1042 $info['comments_raw'][$i]['comment'] = substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, $CommentLength);
1043 $offset += $CommentLength;
1044
1045 $info['comments_raw'][$i]['timestamp_unix'] = getid3_lib::DateMac2Unix($info['comments_raw'][$i]['timestamp']);
1046 $thisfile_riff['comments']['comment'][] = $info['comments_raw'][$i]['comment'];
1047 }
1048 }
1049
1050 $CommentsChunkNames = array('NAME'=>'title', 'author'=>'artist', '(c) '=>'copyright', 'ANNO'=>'comment');
1051 foreach ($CommentsChunkNames as $key => $value) {
1052 if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) {
1053 $thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data'];
1054 }
1055 }
1056/*
1057 if (isset($thisfile_riff[$RIFFsubtype]['ID3 '])) {
1058 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true);
1059 $getid3_temp = new getID3();
1060 $getid3_temp->openfile($this->getid3->filename);
1061 $getid3_id3v2 = new getid3_id3v2($getid3_temp);
1062 $getid3_id3v2->StartingOffset = $thisfile_riff[$RIFFsubtype]['ID3 '][0]['offset'] + 8;
1063 if ($thisfile_riff[$RIFFsubtype]['ID3 '][0]['valid'] = $getid3_id3v2->Analyze()) {
1064 $info['id3v2'] = $getid3_temp->info['id3v2'];
1065 }
1066 unset($getid3_temp, $getid3_id3v2);
1067 }
1068*/
1069 break;
1070
1071 // http://en.wikipedia.org/wiki/8SVX
1072 case '8SVX':
1073 $info['fileformat'] = '8svx';
1074 $info['mime_type'] = 'audio/8svx';
1075
1076 $thisfile_audio['bitrate_mode'] = 'cbr';
1077 $thisfile_audio_dataformat = '8svx';
1078 $thisfile_audio['bits_per_sample'] = 8;
1079 $thisfile_audio['channels'] = 1; // overridden below, if need be
1080
1081 if (isset($thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'])) {
1082 $info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'] + 8;
1083 $info['avdataend'] = $info['avdataoffset'] + $thisfile_riff[$RIFFsubtype]['BODY'][0]['size'];
1084 if ($info['avdataend'] > $info['filesize']) {
1085 $this->warning('Probable truncated AIFF file: expecting '.$thisfile_riff[$RIFFsubtype]['BODY'][0]['size'].' bytes of audio data, only '.($info['filesize'] - $info['avdataoffset']).' bytes found');
1086 }
1087 }
1088
1089 if (isset($thisfile_riff[$RIFFsubtype]['VHDR'][0]['offset'])) {
1090 // shortcut
1091 $thisfile_riff_RIFFsubtype_VHDR_0 = &$thisfile_riff[$RIFFsubtype]['VHDR'][0];
1092
1093 $thisfile_riff_RIFFsubtype_VHDR_0['oneShotHiSamples'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 0, 4));
1094 $thisfile_riff_RIFFsubtype_VHDR_0['repeatHiSamples'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 4, 4));
1095 $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerHiCycle'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 8, 4));
1096 $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerSec'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 12, 2));
1097 $thisfile_riff_RIFFsubtype_VHDR_0['ctOctave'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 14, 1));
1098 $thisfile_riff_RIFFsubtype_VHDR_0['sCompression'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 15, 1));
1099 $thisfile_riff_RIFFsubtype_VHDR_0['Volume'] = getid3_lib::FixedPoint16_16(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 16, 4));
1100
1101 $thisfile_audio['sample_rate'] = $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerSec'];
1102
1103 switch ($thisfile_riff_RIFFsubtype_VHDR_0['sCompression']) {
1104 case 0:
1105 $thisfile_audio['codec'] = 'Pulse Code Modulation (PCM)';
1106 $thisfile_audio['lossless'] = true;
1107 $ActualBitsPerSample = 8;
1108 break;
1109
1110 case 1:
1111 $thisfile_audio['codec'] = 'Fibonacci-delta encoding';
1112 $thisfile_audio['lossless'] = false;
1113 $ActualBitsPerSample = 4;
1114 break;
1115
1116 default:
1117 $this->warning('Unexpected sCompression value in 8SVX.VHDR chunk - expecting 0 or 1, found "'.sCompression.'"');
1118 break;
1119 }
1120 }
1121
1122 if (isset($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'])) {
1123 $ChannelsIndex = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'], 0, 4));
1124 switch ($ChannelsIndex) {
1125 case 6: // Stereo
1126 $thisfile_audio['channels'] = 2;
1127 break;
1128
1129 case 2: // Left channel only
1130 case 4: // Right channel only
1131 $thisfile_audio['channels'] = 1;
1132 break;
1133
1134 default:
1135 $this->warning('Unexpected value in 8SVX.CHAN chunk - expecting 2 or 4 or 6, found "'.$ChannelsIndex.'"');
1136 break;
1137 }
1138
1139 }
1140
1141 $CommentsChunkNames = array('NAME'=>'title', 'author'=>'artist', '(c) '=>'copyright', 'ANNO'=>'comment');
1142 foreach ($CommentsChunkNames as $key => $value) {
1143 if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) {
1144 $thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data'];
1145 }
1146 }
1147
1148 $thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $ActualBitsPerSample * $thisfile_audio['channels'];
1149 if (!empty($thisfile_audio['bitrate'])) {
1150 $info['playtime_seconds'] = ($info['avdataend'] - $info['avdataoffset']) / ($thisfile_audio['bitrate'] / 8);
1151 }
1152 break;
1153
1154 case 'CDXA':
1155 $info['fileformat'] = 'vcd'; // Asume Video CD
1156 $info['mime_type'] = 'video/mpeg';
1157
1158 if (!empty($thisfile_riff['CDXA']['data'][0]['size'])) {
1159 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.mpeg.php', __FILE__, true);
1160
1161 $getid3_temp = new getID3();
1162 $getid3_temp->openfile($this->getid3->filename);
1163 $getid3_mpeg = new getid3_mpeg($getid3_temp);
1164 $getid3_mpeg->Analyze();
1165 if (empty($getid3_temp->info['error'])) {
1166 $info['audio'] = $getid3_temp->info['audio'];
1167 $info['video'] = $getid3_temp->info['video'];
1168 $info['mpeg'] = $getid3_temp->info['mpeg'];
1169 $info['warning'] = $getid3_temp->info['warning'];
1170 }
1171 unset($getid3_temp, $getid3_mpeg);
1172 }
1173 break;
1174
1175 case 'WEBP':
1176 // https://developers.google.com/speed/webp/docs/riff_container
1177 $info['fileformat'] = 'webp';
1178 $info['mime_type'] = 'image/webp';
1179
1180$this->error('WebP image parsing not supported in this version of getID3()');
1181 break;
1182
1183 default:
1184 $this->error('Unknown RIFF type: expecting one of (WAVE|RMP3|AVI |CDDA|AIFF|AIFC|8SVX|CDXA|WEBP), found "'.$RIFFsubtype.'" instead');
1185 //unset($info['fileformat']);
1186 }
1187
1188 switch ($RIFFsubtype) {
1189 case 'WAVE':
1190 case 'AIFF':
1191 case 'AIFC':
1192 $ID3v2_key_good = 'id3 ';
1193 $ID3v2_keys_bad = array('ID3 ', 'tag ');
1194 foreach ($ID3v2_keys_bad as $ID3v2_key_bad) {
1195 if (isset($thisfile_riff[$RIFFsubtype][$ID3v2_key_bad]) && !array_key_exists($ID3v2_key_good, $thisfile_riff[$RIFFsubtype])) {
1196 $thisfile_riff[$RIFFsubtype][$ID3v2_key_good] = $thisfile_riff[$RIFFsubtype][$ID3v2_key_bad];
1197 $this->warning('mapping "'.$ID3v2_key_bad.'" chunk to "'.$ID3v2_key_good.'"');
1198 }
1199 }
1200
1201 if (isset($thisfile_riff[$RIFFsubtype]['id3 '])) {
1202 getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true);
1203
1204 $getid3_temp = new getID3();
1205 $getid3_temp->openfile($this->getid3->filename);
1206 $getid3_id3v2 = new getid3_id3v2($getid3_temp);
1207 $getid3_id3v2->StartingOffset = $thisfile_riff[$RIFFsubtype]['id3 '][0]['offset'] + 8;
1208 if ($thisfile_riff[$RIFFsubtype]['id3 '][0]['valid'] = $getid3_id3v2->Analyze()) {
1209 $info['id3v2'] = $getid3_temp->info['id3v2'];
1210 }
1211 unset($getid3_temp, $getid3_id3v2);
1212 }
1213 break;
1214 }
1215
1216 if (isset($thisfile_riff_WAVE['DISP']) && is_array($thisfile_riff_WAVE['DISP'])) {
1217 $thisfile_riff['comments']['title'][] = trim(substr($thisfile_riff_WAVE['DISP'][count($thisfile_riff_WAVE['DISP']) - 1]['data'], 4));
1218 }
1219 if (isset($thisfile_riff_WAVE['INFO']) && is_array($thisfile_riff_WAVE['INFO'])) {
1220 self::parseComments($thisfile_riff_WAVE['INFO'], $thisfile_riff['comments']);
1221 }
1222 if (isset($thisfile_riff['AVI ']['INFO']) && is_array($thisfile_riff['AVI ']['INFO'])) {
1223 self::parseComments($thisfile_riff['AVI ']['INFO'], $thisfile_riff['comments']);
1224 }
1225
1226 if (empty($thisfile_audio['encoder']) && !empty($info['mpeg']['audio']['LAME']['short_version'])) {
1227 $thisfile_audio['encoder'] = $info['mpeg']['audio']['LAME']['short_version'];
1228 }
1229
1230 if (!isset($info['playtime_seconds'])) {
1231 $info['playtime_seconds'] = 0;
1232 }
1233 if (isset($thisfile_riff_raw['strh'][0]['dwLength']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) {
1234 // needed for >2GB AVIs where 'avih' chunk only lists number of frames in that chunk, not entire movie
1235 $info['playtime_seconds'] = $thisfile_riff_raw['strh'][0]['dwLength'] * ($thisfile_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000);
1236 } elseif (isset($thisfile_riff_raw['avih']['dwTotalFrames']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) {
1237 $info['playtime_seconds'] = $thisfile_riff_raw['avih']['dwTotalFrames'] * ($thisfile_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000);
1238 }
1239
1240 if ($info['playtime_seconds'] > 0) {
1241 if (isset($thisfile_riff_audio) && isset($thisfile_riff_video)) {
1242
1243 if (!isset($info['bitrate'])) {
1244 $info['bitrate'] = ((($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds']) * 8);
1245 }
1246
1247 } elseif (isset($thisfile_riff_audio) && !isset($thisfile_riff_video)) {
1248
1249 if (!isset($thisfile_audio['bitrate'])) {
1250 $thisfile_audio['bitrate'] = ((($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds']) * 8);
1251 }
1252
1253 } elseif (!isset($thisfile_riff_audio) && isset($thisfile_riff_video)) {
1254
1255 if (!isset($thisfile_video['bitrate'])) {
1256 $thisfile_video['bitrate'] = ((($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds']) * 8);
1257 }
1258
1259 }
1260 }
1261
1262
1263 if (isset($thisfile_riff_video) && isset($thisfile_audio['bitrate']) && ($thisfile_audio['bitrate'] > 0) && ($info['playtime_seconds'] > 0)) {
1264
1265 $info['bitrate'] = ((($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds']) * 8);
1266 $thisfile_audio['bitrate'] = 0;
1267 $thisfile_video['bitrate'] = $info['bitrate'];
1268 foreach ($thisfile_riff_audio as $channelnumber => $audioinfoarray) {
1269 $thisfile_video['bitrate'] -= $audioinfoarray['bitrate'];
1270 $thisfile_audio['bitrate'] += $audioinfoarray['bitrate'];
1271 }
1272 if ($thisfile_video['bitrate'] <= 0) {
1273 unset($thisfile_video['bitrate']);
1274 }
1275 if ($thisfile_audio['bitrate'] <= 0) {
1276 unset($thisfile_audio['bitrate']);
1277 }
1278 }
1279
1280 if (isset($info['mpeg']['audio'])) {
1281 $thisfile_audio_dataformat = 'mp'.$info['mpeg']['audio']['layer'];
1282 $thisfile_audio['sample_rate'] = $info['mpeg']['audio']['sample_rate'];
1283 $thisfile_audio['channels'] = $info['mpeg']['audio']['channels'];
1284 $thisfile_audio['bitrate'] = $info['mpeg']['audio']['bitrate'];
1285 $thisfile_audio['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
1286 if (!empty($info['mpeg']['audio']['codec'])) {
1287 $thisfile_audio['codec'] = $info['mpeg']['audio']['codec'].' '.$thisfile_audio['codec'];
1288 }
1289 if (!empty($thisfile_audio['streams'])) {
1290 foreach ($thisfile_audio['streams'] as $streamnumber => $streamdata) {
1291 if ($streamdata['dataformat'] == $thisfile_audio_dataformat) {
1292 $thisfile_audio['streams'][$streamnumber]['sample_rate'] = $thisfile_audio['sample_rate'];
1293 $thisfile_audio['streams'][$streamnumber]['channels'] = $thisfile_audio['channels'];
1294 $thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate'];
1295 $thisfile_audio['streams'][$streamnumber]['bitrate_mode'] = $thisfile_audio['bitrate_mode'];
1296 $thisfile_audio['streams'][$streamnumber]['codec'] = $thisfile_audio['codec'];
1297 }
1298 }
1299 }
1300 $getid3_mp3 = new getid3_mp3($this->getid3);
1301 $thisfile_audio['encoder_options'] = $getid3_mp3->GuessEncoderOptions();
1302 unset($getid3_mp3);
1303 }
1304
1305
1306 if (!empty($thisfile_riff_raw['fmt ']['wBitsPerSample']) && ($thisfile_riff_raw['fmt ']['wBitsPerSample'] > 0)) {
1307 switch ($thisfile_audio_dataformat) {
1308 case 'ac3':
1309 // ignore bits_per_sample
1310 break;
1311
1312 default:
1313 $thisfile_audio['bits_per_sample'] = $thisfile_riff_raw['fmt ']['wBitsPerSample'];
1314 break;
1315 }
1316 }
1317
1318
1319 if (empty($thisfile_riff_raw)) {
1320 unset($thisfile_riff['raw']);
1321 }
1322 if (empty($thisfile_riff_audio)) {
1323 unset($thisfile_riff['audio']);
1324 }
1325 if (empty($thisfile_riff_video)) {
1326 unset($thisfile_riff['video']);
1327 }
1328
1329 return true;
1330 }
getid3_exception
Definition: getid3.php:1838
getid3_handler\fseek
fseek($bytes, $whence=SEEK_SET)
Definition: getid3.php:1711
getid3_handler\ftell
ftell()
Definition: getid3.php:1676
getid3_handler\fread
fread($bytes)
Definition: getid3.php:1683
getid3_handler\warning
warning($text)
Definition: getid3.php:1758
getid3_handler\error
error($text)
Definition: getid3.php:1752
getid3_id3v2
Definition: module.tag.id3v2.php:20
getid3_lib\RGADadjustmentLookup
static RGADadjustmentLookup($rawadjustment, $signbit)
Definition: getid3.lib.php:1150
getid3_lib\XML2array
static XML2array($XMLstring)
Definition: getid3.lib.php:535
getid3_lib\PrintHexBytes
static PrintHexBytes($string, $hex=true, $spaces=true, $htmlencoding='UTF-8')
Definition: getid3.lib.php:18
getid3_lib\LittleEndian2Int
static LittleEndian2Int($byteword, $signed=false)
Definition: getid3.lib.php:292
getid3_lib\FixedPoint16_16
static FixedPoint16_16($rawdata)
Definition: getid3.lib.php:480
getid3_lib\RGADoriginatorLookup
static RGADoriginatorLookup($originatorcode)
Definition: getid3.lib.php:1137
getid3_lib\LittleEndian2Float
static LittleEndian2Float($byteword)
Definition: getid3.lib.php:180
getid3_lib\Bin2Dec
static Bin2Dec($binstring, $signed=false)
Definition: getid3.lib.php:342
getid3_lib\DateMac2Unix
static DateMac2Unix($macdate)
Definition: getid3.lib.php:468
getid3_lib\IncludeDependency
static IncludeDependency($filename, $sourcefile, $DieOnFailure=false)
Definition: getid3.lib.php:1373
getid3_lib\array_merge_noclobber
static array_merge_noclobber($array1, $array2)
Definition: getid3.lib.php:402
getid3_lib\RGADnameLookup
static RGADnameLookup($namecode)
Definition: getid3.lib.php:1125
getid3_lib\BigEndian2Float
static BigEndian2Float($byteword)
Definition: getid3.lib.php:185
getid3_lib\Dec2Bin
static Dec2Bin($number)
Definition: getid3.lib.php:328
getid3_lib\CastAsInt
static CastAsInt($floatnum)
Definition: getid3.lib.php:65
getid3_lib\BigEndian2Int
static BigEndian2Int($byteword, $synchsafe=false, $signed=false)
Definition: getid3.lib.php:263
getid3_mp3
Definition: module.audio.mp3.php:26
getid3_mpeg
Definition: module.audio-video.mpeg.php:19
getid3_riff
Definition: module.audio-video.riff.php:30
getid3_riff\parseComments
static parseComments(&$RIFFinfoArray, &$CommentsTargetArray)
Definition: module.audio-video.riff.php:1764
getid3_riff\parseWAVEFORMATex
static parseWAVEFORMATex($WaveFormatExData)
Definition: module.audio-video.riff.php:1823
getid3_riff\EitherEndian2Int
EitherEndian2Int($byteword, $signed=false)
Definition: module.audio-video.riff.php:2588
getid3_riff\ParseRIFF
ParseRIFF($startoffset, $maxoffset)
Definition: module.audio-video.riff.php:1441
getid3_riff\wFormatTagLookup
static wFormatTagLookup($wFormatTag)
Definition: module.audio-video.riff.php:2025
getid3_riff\ParseBITMAPINFOHEADER
static ParseBITMAPINFOHEADER($BITMAPINFOHEADER, $littleEndian=true)
Definition: module.audio-video.riff.php:1909
getid3_riff\fourccLookup
static fourccLookup($fourcc)
Definition: module.audio-video.riff.php:2194
getid3_riff\ParseDIVXTAG
static ParseDIVXTAG($DIVXTAG, $raw=false)
Definition: module.audio-video.riff.php:1928
getid3_riff\ParseRIFFAMV
ParseRIFFAMV($startoffset, $maxoffset)
Definition: module.audio-video.riff.php:1332
$key
$key
Definition: croninfo.php:18
$i
$i
Definition: disco.tpl.php:19
$h
$h
Definition: example_009.php:101
$f
$f
Definition: fetch_windows_zones.php:31
$info
$info
Definition: index.php:5
$s
$s
Definition: pwgen.php:45
$m
$m
Definition: show_metadata.php:25

References $f, $h, $i, $info, $key, $m, $s, getid3_lib\array_merge_noclobber(), getid3_lib\BigEndian2Float(), getid3_lib\BigEndian2Int(), getid3_lib\Bin2Dec(), getid3_lib\CastAsInt(), getid3_lib\DateMac2Unix(), getid3_lib\Dec2Bin(), EitherEndian2Int(), getid3_handler\error(), getid3_lib\FixedPoint16_16(), fourccLookup(), getid3_handler\fread(), getid3_handler\fseek(), getid3_handler\ftell(), getid3_lib\IncludeDependency(), getid3_lib\LittleEndian2Float(), getid3_lib\LittleEndian2Int(), ParseBITMAPINFOHEADER(), parseComments(), ParseDIVXTAG(), ParseRIFF(), ParseRIFFAMV(), parseWAVEFORMATex(), getid3_lib\PrintHexBytes(), getid3_lib\RGADadjustmentLookup(), getid3_lib\RGADnameLookup(), getid3_lib\RGADoriginatorLookup(), getid3_handler\warning(), wFormatTagLookup(), and getid3_lib\XML2array().

+ Here is the call graph for this function:

◆ EitherEndian2Int()

getid3_riff::EitherEndian2Int (   $byteword,
  $signed = false 
)
private

Definition at line 2588 of file module.audio-video.riff.php.

2588 {
2589 if ($this->container == 'riff') {
2590 return getid3_lib::LittleEndian2Int($byteword, $signed);
2591 }
2592 return getid3_lib::BigEndian2Int($byteword, false, $signed);
2593 }

References getid3_lib\BigEndian2Int(), and getid3_lib\LittleEndian2Int().

Referenced by Analyze(), and ParseRIFF().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ fourccLookup()

static getid3_riff::fourccLookup (   $fourcc)
static

This is not a comment! 

swot        http://developer.apple.com/qa/snd/snd07.html
____        No Codec (____)
_BIT        BI_BITFIELDS (Raw RGB)
_JPG        JPEG compressed
_PNG        PNG compressed W3C/ISO/IEC (RFC-2083)
_RAW        Full Frames (Uncompressed)
_RGB        Raw RGB Bitmap
_RL4        RLE 4bpp RGB
_RL8        RLE 8bpp RGB
3IV1        3ivx MPEG-4 v1
3IV2        3ivx MPEG-4 v2
3IVX        3ivx MPEG-4
AASC        Autodesk Animator
ABYR        Kensington ?ABYR?
AEMI        Array Microsystems VideoONE MPEG1-I Capture
AFLC        Autodesk Animator FLC
AFLI        Autodesk Animator FLI
AMPG        Array Microsystems VideoONE MPEG
ANIM        Intel RDX (ANIM)
AP41        AngelPotion Definitive
ASV1        Asus Video v1
ASV2        Asus Video v2
ASVX        Asus Video 2.0 (audio)
AUR2        AuraVision Aura 2 Codec - YUV 4:2:2
AURA        AuraVision Aura 1 Codec - YUV 4:1:1
AVDJ        Independent JPEG Group\'s codec (AVDJ)
AVRN        Independent JPEG Group\'s codec (AVRN)
AYUV        4:4:4 YUV (AYUV)
AZPR        Quicktime Apple Video (AZPR)
BGR         Raw RGB32
BLZ0        Blizzard DivX MPEG-4
BTVC        Conexant Composite Video
BINK        RAD Game Tools Bink Video
BT20        Conexant Prosumer Video
BTCV        Conexant Composite Video Codec
BW10        Data Translation Broadway MPEG Capture
CC12        Intel YUV12
CDVC        Canopus DV
CFCC        Digital Processing Systems DPS Perception
CGDI        Microsoft Office 97 Camcorder Video
CHAM        Winnov Caviara Champagne
CJPG        Creative WebCam JPEG
CLJR        Cirrus Logic YUV 4:1:1
CMYK        Common Data Format in Printing (Colorgraph)
CPLA        Weitek 4:2:0 YUV Planar
CRAM        Microsoft Video 1 (CRAM)
cvid        Radius Cinepak
CVID        Radius Cinepak
CWLT        Microsoft Color WLT DIB
CYUV        Creative Labs YUV
CYUY        ATI YUV
D261        H.261
D263        H.263
DIB         Device Independent Bitmap
DIV1        FFmpeg OpenDivX
DIV2        Microsoft MPEG-4 v1/v2
DIV3        DivX ;-) MPEG-4 v3.x Low-Motion
DIV4        DivX ;-) MPEG-4 v3.x Fast-Motion
DIV5        DivX MPEG-4 v5.x
DIV6        DivX ;-) (MS MPEG-4 v3.x)
DIVX        DivX MPEG-4 v4 (OpenDivX / Project Mayo)
divx        DivX MPEG-4
DMB1        Matrox Rainbow Runner hardware MJPEG
DMB2        Paradigm MJPEG
DSVD        ?DSVD?
DUCK        Duck TrueMotion 1.0
DPS0        DPS/Leitch Reality Motion JPEG
DPSC        DPS/Leitch PAR Motion JPEG
DV25        Matrox DVCPRO codec
DV50        Matrox DVCPRO50 codec
DVC         IEC 61834 and SMPTE 314M (DVC/DV Video)
DVCP        IEC 61834 and SMPTE 314M (DVC/DV Video)
DVHD        IEC Standard DV 1125 lines @ 30fps / 1250 lines @ 25fps
DVMA        Darim Vision DVMPEG (dummy for MPEG compressor) (www.darvision.com)
DVSL        IEC Standard DV compressed in SD (SDL)
DVAN        ?DVAN?
DVE2        InSoft DVE-2 Videoconferencing
dvsd        IEC 61834 and SMPTE 314M DVC/DV Video
DVSD        IEC 61834 and SMPTE 314M DVC/DV Video
DVX1        Lucent DVX1000SP Video Decoder
DVX2        Lucent DVX2000S Video Decoder
DVX3        Lucent DVX3000S Video Decoder
DX50        DivX v5
DXT1        Microsoft DirectX Compressed Texture (DXT1)
DXT2        Microsoft DirectX Compressed Texture (DXT2)
DXT3        Microsoft DirectX Compressed Texture (DXT3)
DXT4        Microsoft DirectX Compressed Texture (DXT4)
DXT5        Microsoft DirectX Compressed Texture (DXT5)
DXTC        Microsoft DirectX Compressed Texture (DXTC)
DXTn        Microsoft DirectX Compressed Texture (DXTn)
EM2V        Etymonix MPEG-2 I-frame (www.etymonix.com)
EKQ0        Elsa ?EKQ0?
ELK0        Elsa ?ELK0?
ESCP        Eidos Escape
ETV1        eTreppid Video ETV1
ETV2        eTreppid Video ETV2
ETVC        eTreppid Video ETVC
FLIC        Autodesk FLI/FLC Animation
FLV1        Sorenson Spark
FLV4        On2 TrueMotion VP6
FRWT        Darim Vision Forward Motion JPEG (www.darvision.com)
FRWU        Darim Vision Forward Uncompressed (www.darvision.com)
FLJP        D-Vision Field Encoded Motion JPEG
FPS1        FRAPS v1
FRWA        SoftLab-Nsk Forward Motion JPEG w/ alpha channel
FRWD        SoftLab-Nsk Forward Motion JPEG
FVF1        Iterated Systems Fractal Video Frame
GLZW        Motion LZW (gabest@freemail.hu)
GPEG        Motion JPEG (gabest@freemail.hu)
GWLT        Microsoft Greyscale WLT DIB
H260        Intel ITU H.260 Videoconferencing
H261        Intel ITU H.261 Videoconferencing
H262        Intel ITU H.262 Videoconferencing
H263        Intel ITU H.263 Videoconferencing
H264        Intel ITU H.264 Videoconferencing
H265        Intel ITU H.265 Videoconferencing
H266        Intel ITU H.266 Videoconferencing
H267        Intel ITU H.267 Videoconferencing
H268        Intel ITU H.268 Videoconferencing
H269        Intel ITU H.269 Videoconferencing
HFYU        Huffman Lossless Codec
HMCR        Rendition Motion Compensation Format (HMCR)
HMRR        Rendition Motion Compensation Format (HMRR)
I263        FFmpeg I263 decoder
IF09        Indeo YVU9 ("YVU9 with additional delta-frame info after the U plane")
IUYV        Interlaced version of UYVY (www.leadtools.com)
IY41        Interlaced version of Y41P (www.leadtools.com)
IYU1        12 bit format used in mode 2 of the IEEE 1394 Digital Camera 1.04 spec    IEEE standard
IYU2        24 bit format used in mode 2 of the IEEE 1394 Digital Camera 1.04 spec    IEEE standard
IYUV        Planar YUV format (8-bpp Y plane, followed by 8-bpp 2×2 U and V planes)
i263        Intel ITU H.263 Videoconferencing (i263)
I420        Intel Indeo 4
IAN         Intel Indeo 4 (RDX)
ICLB        InSoft CellB Videoconferencing
IGOR        Power DVD
IJPG        Intergraph JPEG
ILVC        Intel Layered Video
ILVR        ITU-T H.263+
IPDV        I-O Data Device Giga AVI DV Codec
IR21        Intel Indeo 2.1
IRAW        Intel YUV Uncompressed
IV30        Intel Indeo 3.0
IV31        Intel Indeo 3.1
IV32        Ligos Indeo 3.2
IV33        Ligos Indeo 3.3
IV34        Ligos Indeo 3.4
IV35        Ligos Indeo 3.5
IV36        Ligos Indeo 3.6
IV37        Ligos Indeo 3.7
IV38        Ligos Indeo 3.8
IV39        Ligos Indeo 3.9
IV40        Ligos Indeo Interactive 4.0
IV41        Ligos Indeo Interactive 4.1
IV42        Ligos Indeo Interactive 4.2
IV43        Ligos Indeo Interactive 4.3
IV44        Ligos Indeo Interactive 4.4
IV45        Ligos Indeo Interactive 4.5
IV46        Ligos Indeo Interactive 4.6
IV47        Ligos Indeo Interactive 4.7
IV48        Ligos Indeo Interactive 4.8
IV49        Ligos Indeo Interactive 4.9
IV50        Ligos Indeo Interactive 5.0
JBYR        Kensington ?JBYR?
JPEG        Still Image JPEG DIB
JPGL        Pegasus Lossless Motion JPEG
KMVC        Team17 Software Karl Morton\'s Video Codec
LSVM        Vianet Lighting Strike Vmail (Streaming) (www.vianet.com)
LEAD        LEAD Video Codec
Ljpg        LEAD MJPEG Codec
MDVD        Alex MicroDVD Video (hacked MS MPEG-4) (www.tiasoft.de)
MJPA        Morgan Motion JPEG (MJPA) (www.morgan-multimedia.com)
MJPB        Morgan Motion JPEG (MJPB) (www.morgan-multimedia.com)
MMES        Matrox MPEG-2 I-frame
MP2v        Microsoft S-Mpeg 4 version 1 (MP2v)
MP42        Microsoft S-Mpeg 4 version 2 (MP42)
MP43        Microsoft S-Mpeg 4 version 3 (MP43)
MP4S        Microsoft S-Mpeg 4 version 3 (MP4S)
MP4V        FFmpeg MPEG-4
MPG1        FFmpeg MPEG 1/2
MPG2        FFmpeg MPEG 1/2
MPG3        FFmpeg DivX ;-) (MS MPEG-4 v3)
MPG4        Microsoft MPEG-4
MPGI        Sigma Designs MPEG
MPNG        PNG images decoder
MSS1        Microsoft Windows Screen Video
MSZH        LCL (Lossless Codec Library) (www.geocities.co.jp/Playtown-Denei/2837/LRC.htm)
M261        Microsoft H.261
M263        Microsoft H.263
M4S2        Microsoft Fully Compliant MPEG-4 v2 simple profile (M4S2)
m4s2        Microsoft Fully Compliant MPEG-4 v2 simple profile (m4s2)
MC12        ATI Motion Compensation Format (MC12)
MCAM        ATI Motion Compensation Format (MCAM)
MJ2C        Morgan Multimedia Motion JPEG2000
mJPG        IBM Motion JPEG w/ Huffman Tables
MJPG        Microsoft Motion JPEG DIB
MP42        Microsoft MPEG-4 (low-motion)
MP43        Microsoft MPEG-4 (fast-motion)
MP4S        Microsoft MPEG-4 (MP4S)
mp4s        Microsoft MPEG-4 (mp4s)
MPEG        Chromatic Research MPEG-1 Video I-Frame
MPG4        Microsoft MPEG-4 Video High Speed Compressor
MPGI        Sigma Designs MPEG
MRCA        FAST Multimedia Martin Regen Codec
MRLE        Microsoft Run Length Encoding
MSVC        Microsoft Video 1
MTX1        Matrox ?MTX1?
MTX2        Matrox ?MTX2?
MTX3        Matrox ?MTX3?
MTX4        Matrox ?MTX4?
MTX5        Matrox ?MTX5?
MTX6        Matrox ?MTX6?
MTX7        Matrox ?MTX7?
MTX8        Matrox ?MTX8?
MTX9        Matrox ?MTX9?
MV12        Motion Pixels Codec (old)
MWV1        Aware Motion Wavelets
nAVI        SMR Codec (hack of Microsoft MPEG-4) (IRC #shadowrealm)
NT00        NewTek LightWave HDTV YUV w/ Alpha (www.newtek.com)
NUV1        NuppelVideo
NTN1        Nogatech Video Compression 1
NVS0        nVidia GeForce Texture (NVS0)
NVS1        nVidia GeForce Texture (NVS1)
NVS2        nVidia GeForce Texture (NVS2)
NVS3        nVidia GeForce Texture (NVS3)
NVS4        nVidia GeForce Texture (NVS4)
NVS5        nVidia GeForce Texture (NVS5)
NVT0        nVidia GeForce Texture (NVT0)
NVT1        nVidia GeForce Texture (NVT1)
NVT2        nVidia GeForce Texture (NVT2)
NVT3        nVidia GeForce Texture (NVT3)
NVT4        nVidia GeForce Texture (NVT4)
NVT5        nVidia GeForce Texture (NVT5)
PIXL        MiroXL, Pinnacle PCTV
PDVC        I-O Data Device Digital Video Capture DV codec
PGVV        Radius Video Vision
PHMO        IBM Photomotion
PIM1        MPEG Realtime (Pinnacle Cards)
PIM2        Pegasus Imaging ?PIM2?
PIMJ        Pegasus Imaging Lossless JPEG
PVEZ        Horizons Technology PowerEZ
PVMM        PacketVideo Corporation MPEG-4
PVW2        Pegasus Imaging Wavelet Compression
Q1.0        Q-Team\'s QPEG 1.0 (www.q-team.de)
Q1.1        Q-Team\'s QPEG 1.1 (www.q-team.de)
QPEG        Q-Team QPEG 1.0
qpeq        Q-Team QPEG 1.1
RGB         Raw BGR32
RGBA        Raw RGB w/ Alpha
RMP4        REALmagic MPEG-4 (unauthorized XVID copy) (www.sigmadesigns.com)
ROQV        Id RoQ File Video Decoder
RPZA        Quicktime Apple Video (RPZA)
RUD0        Rududu video codec (http://rududu.ifrance.com/rududu/)
RV10        RealVideo 1.0 (aka RealVideo 5.0)
RV13        RealVideo 1.0 (RV13)
RV20        RealVideo G2
RV30        RealVideo 8
RV40        RealVideo 9
RGBT        Raw RGB w/ Transparency
RLE         Microsoft Run Length Encoder
RLE4        Run Length Encoded (4bpp, 16-color)
RLE8        Run Length Encoded (8bpp, 256-color)
RT21        Intel Indeo RealTime Video 2.1
rv20        RealVideo G2
rv30        RealVideo 8
RVX         Intel RDX (RVX )
SMC         Apple Graphics (SMC )
SP54        Logitech Sunplus Sp54 Codec for Mustek GSmart Mini 2
SPIG        Radius Spigot
SVQ3        Sorenson Video 3 (Apple Quicktime 5)
s422        Tekram VideoCap C210 YUV 4:2:2
SDCC        Sun Communication Digital Camera Codec
SFMC        CrystalNet Surface Fitting Method
SMSC        Radius SMSC
SMSD        Radius SMSD
smsv        WorldConnect Wavelet Video
SPIG        Radius Spigot
SPLC        Splash Studios ACM Audio Codec (www.splashstudios.net)
SQZ2        Microsoft VXTreme Video Codec V2
STVA        ST Microelectronics CMOS Imager Data (Bayer)
STVB        ST Microelectronics CMOS Imager Data (Nudged Bayer)
STVC        ST Microelectronics CMOS Imager Data (Bunched)
STVX        ST Microelectronics CMOS Imager Data (Extended CODEC Data Format)
STVY        ST Microelectronics CMOS Imager Data (Extended CODEC Data Format with Correction Data)
SV10        Sorenson Video R1
SVQ1        Sorenson Video
T420        Toshiba YUV 4:2:0
TM2A        Duck TrueMotion Archiver 2.0 (www.duck.com)
TVJP        Pinnacle/Truevision Targa 2000 board (TVJP)
TVMJ        Pinnacle/Truevision Targa 2000 board (TVMJ)
TY0N        Tecomac Low-Bit Rate Codec (www.tecomac.com)
TY2C        Trident Decompression Driver
TLMS        TeraLogic Motion Intraframe Codec (TLMS)
TLST        TeraLogic Motion Intraframe Codec (TLST)
TM20        Duck TrueMotion 2.0
TM2X        Duck TrueMotion 2X
TMIC        TeraLogic Motion Intraframe Codec (TMIC)
TMOT        Horizons Technology TrueMotion S
tmot        Horizons TrueMotion Video Compression
TR20        Duck TrueMotion RealTime 2.0
TSCC        TechSmith Screen Capture Codec
TV10        Tecomac Low-Bit Rate Codec
TY2N        Trident ?TY2N?
U263        UB Video H.263/H.263+/H.263++ Decoder
UMP4        UB Video MPEG 4 (www.ubvideo.com)
UYNV        Nvidia UYVY packed 4:2:2
UYVP        Evans & Sutherland YCbCr 4:2:2 extended precision
UCOD        eMajix.com ClearVideo
ULTI        IBM Ultimotion
UYVY        UYVY packed 4:2:2
V261        Lucent VX2000S
VIFP        VFAPI Reader Codec (www.yks.ne.jp/~hori/)
VIV1        FFmpeg H263+ decoder
VIV2        Vivo H.263
VQC2        Vector-quantised codec 2 (research) http://eprints.ecs.soton.ac.uk/archive/00001310/01/VTC97-js.pdf)
VTLP        Alaris VideoGramPiX
VYU9        ATI YUV (VYU9)
VYUY        ATI YUV (VYUY)
V261        Lucent VX2000S
V422        Vitec Multimedia 24-bit YUV 4:2:2 Format
V655        Vitec Multimedia 16-bit YUV 4:2:2 Format
VCR1        ATI Video Codec 1
VCR2        ATI Video Codec 2
VCR3        ATI VCR 3.0
VCR4        ATI VCR 4.0
VCR5        ATI VCR 5.0
VCR6        ATI VCR 6.0
VCR7        ATI VCR 7.0
VCR8        ATI VCR 8.0
VCR9        ATI VCR 9.0
VDCT        Vitec Multimedia Video Maker Pro DIB
VDOM        VDOnet VDOWave
VDOW        VDOnet VDOLive (H.263)
VDTZ        Darim Vison VideoTizer YUV
VGPX        Alaris VideoGramPiX
VIDS        Vitec Multimedia YUV 4:2:2 CCIR 601 for V422
VIVO        Vivo H.263 v2.00
vivo        Vivo H.263
VIXL        Miro/Pinnacle Video XL
VLV1        VideoLogic/PURE Digital Videologic Capture
VP30        On2 VP3.0
VP31        On2 VP3.1
VP6F        On2 TrueMotion VP6
VX1K        Lucent VX1000S Video Codec
VX2K        Lucent VX2000S Video Codec
VXSP        Lucent VX1000SP Video Codec
WBVC        Winbond W9960
WHAM        Microsoft Video 1 (WHAM)
WINX        Winnov Software Compression
WJPG        AverMedia Winbond JPEG
WMV1        Windows Media Video V7
WMV2        Windows Media Video V8
WMV3        Windows Media Video V9
WNV1        Winnov Hardware Compression
XYZP        Extended PAL format XYZ palette (www.riff.org)
x263        Xirlink H.263
XLV0        NetXL Video Decoder
XMPG        Xing MPEG (I-Frame only)
XVID        XviD MPEG-4 (www.xvid.org)
XXAN        ?XXAN?
YU92        Intel YUV (YU92)
YUNV        Nvidia Uncompressed YUV 4:2:2
YUVP        Extended PAL format YUV palette (www.riff.org)
Y211        YUV 2:1:1 Packed
Y411        YUV 4:1:1 Packed
Y41B        Weitek YUV 4:1:1 Planar
Y41P        Brooktree PC1 YUV 4:1:1 Packed
Y41T        Brooktree PC1 YUV 4:1:1 with transparency
Y42B        Weitek YUV 4:2:2 Planar
Y42T        Brooktree UYUV 4:2:2 with transparency
Y422        ADS Technologies Copy of UYVY used in Pyro WebCam firewire camera
Y800        Simple, single Y plane for monochrome images
Y8          Grayscale video
YC12        Intel YUV 12 codec
YUV8        Winnov Caviar YUV8
YUV9        Intel YUV9
YUY2        Uncompressed YUV 4:2:2
YUYV        Canopus YUV
YV12        YVU12 Planar
YVU9        Intel YVU9 Planar (8-bpp Y plane, followed by 8-bpp 4x4 U and V planes)
YVYU        YVYU 4:2:2 Packed
ZLIB        Lossless Codec Library zlib compression (www.geocities.co.jp/Playtown-Denei/2837/LRC.htm)
ZPEG        Metheus Video Zipper

Definition at line 2194 of file module.audio-video.riff.php.

2194 {
2195
2196 $begin = __LINE__;
2197
2585 return getid3_lib::EmbeddedLookup($fourcc, $begin, __LINE__, __FILE__, 'riff-fourcc');
2586 }
getid3_lib\EmbeddedLookup
static EmbeddedLookup($key, $begin, $end, $file, $name)
Definition: getid3.lib.php:1327

References getid3_lib\EmbeddedLookup().

Referenced by getid3_asf\Analyze(), getid3_matroska\Analyze(), getid3_real\Analyze(), and Analyze().

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◆ ParseBITMAPINFOHEADER()

static getid3_riff::ParseBITMAPINFOHEADER (   $BITMAPINFOHEADER,
  $littleEndian = true 
)
static

Definition at line 1909 of file module.audio-video.riff.php.

1909 {
1910
1911 $parsed['biSize'] = substr($BITMAPINFOHEADER, 0, 4); // number of bytes required by the BITMAPINFOHEADER structure
1912 $parsed['biWidth'] = substr($BITMAPINFOHEADER, 4, 4); // width of the bitmap in pixels
1913 $parsed['biHeight'] = substr($BITMAPINFOHEADER, 8, 4); // height of the bitmap in pixels. If biHeight is positive, the bitmap is a 'bottom-up' DIB and its origin is the lower left corner. If biHeight is negative, the bitmap is a 'top-down' DIB and its origin is the upper left corner
1914 $parsed['biPlanes'] = substr($BITMAPINFOHEADER, 12, 2); // number of color planes on the target device. In most cases this value must be set to 1
1915 $parsed['biBitCount'] = substr($BITMAPINFOHEADER, 14, 2); // Specifies the number of bits per pixels
1916 $parsed['biSizeImage'] = substr($BITMAPINFOHEADER, 20, 4); // size of the bitmap data section of the image (the actual pixel data, excluding BITMAPINFOHEADER and RGBQUAD structures)
1917 $parsed['biXPelsPerMeter'] = substr($BITMAPINFOHEADER, 24, 4); // horizontal resolution, in pixels per metre, of the target device
1918 $parsed['biYPelsPerMeter'] = substr($BITMAPINFOHEADER, 28, 4); // vertical resolution, in pixels per metre, of the target device
1919 $parsed['biClrUsed'] = substr($BITMAPINFOHEADER, 32, 4); // actual number of color indices in the color table used by the bitmap. If this value is zero, the bitmap uses the maximum number of colors corresponding to the value of the biBitCount member for the compression mode specified by biCompression
1920 $parsed['biClrImportant'] = substr($BITMAPINFOHEADER, 36, 4); // number of color indices that are considered important for displaying the bitmap. If this value is zero, all colors are important
1921 $parsed = array_map('getid3_lib::'.($littleEndian ? 'Little' : 'Big').'Endian2Int', $parsed);
1922
1923 $parsed['fourcc'] = substr($BITMAPINFOHEADER, 16, 4); // compression identifier
1924
1925 return $parsed;
1926 }

Referenced by getid3_matroska\Analyze(), and Analyze().

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◆ parseComments()

static getid3_riff::parseComments ( &  $RIFFinfoArray,
&  $CommentsTargetArray 
)
static

Definition at line 1764 of file module.audio-video.riff.php.

1764 {
1765 $RIFFinfoKeyLookup = array(
1766 'IARL'=>'archivallocation',
1767 'IART'=>'artist',
1768 'ICDS'=>'costumedesigner',
1769 'ICMS'=>'commissionedby',
1770 'ICMT'=>'comment',
1771 'ICNT'=>'country',
1772 'ICOP'=>'copyright',
1773 'ICRD'=>'creationdate',
1774 'IDIM'=>'dimensions',
1775 'IDIT'=>'digitizationdate',
1776 'IDPI'=>'resolution',
1777 'IDST'=>'distributor',
1778 'IEDT'=>'editor',
1779 'IENG'=>'engineers',
1780 'IFRM'=>'accountofparts',
1781 'IGNR'=>'genre',
1782 'IKEY'=>'keywords',
1783 'ILGT'=>'lightness',
1784 'ILNG'=>'language',
1785 'IMED'=>'orignalmedium',
1786 'IMUS'=>'composer',
1787 'INAM'=>'title',
1788 'IPDS'=>'productiondesigner',
1789 'IPLT'=>'palette',
1790 'IPRD'=>'product',
1791 'IPRO'=>'producer',
1792 'IPRT'=>'part',
1793 'IRTD'=>'rating',
1794 'ISBJ'=>'subject',
1795 'ISFT'=>'software',
1796 'ISGN'=>'secondarygenre',
1797 'ISHP'=>'sharpness',
1798 'ISRC'=>'sourcesupplier',
1799 'ISRF'=>'digitizationsource',
1800 'ISTD'=>'productionstudio',
1801 'ISTR'=>'starring',
1802 'ITCH'=>'encoded_by',
1803 'IWEB'=>'url',
1804 'IWRI'=>'writer',
1805 '____'=>'comment',
1806 );
1807 foreach ($RIFFinfoKeyLookup as $key => $value) {
1808 if (isset($RIFFinfoArray[$key])) {
1809 foreach ($RIFFinfoArray[$key] as $commentid => $commentdata) {
1810 if (trim($commentdata['data']) != '') {
1811 if (isset($CommentsTargetArray[$value])) {
1812 $CommentsTargetArray[$value][] = trim($commentdata['data']);
1813 } else {
1814 $CommentsTargetArray[$value] = array(trim($commentdata['data']));
1815 }
1816 }
1817 }
1818 }
1819 }
1820 return true;
1821 }

References $key.

Referenced by Analyze(), and getid3_wavpack\Analyze().

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◆ ParseDIVXTAG()

static getid3_riff::ParseDIVXTAG (   $DIVXTAG,
  $raw = false 
)
static

Definition at line 1928 of file module.audio-video.riff.php.

1928 {
1929 // structure from "IDivX" source, Form1.frm, by "Greg Frazier of Daemonic Software Group", email: gfrazier@icestorm.net, web: http://dsg.cjb.net/
1930 // source available at http://files.divx-digest.com/download/c663efe7ef8ad2e90bf4af4d3ea6188a/on0SWN2r/edit/IDivX.zip
1931 // 'Byte Layout: '1111111111111111
1932 // '32 for Movie - 1 '1111111111111111
1933 // '28 for Author - 6 '6666666666666666
1934 // '4 for year - 2 '6666666666662222
1935 // '3 for genre - 3 '7777777777777777
1936 // '48 for Comments - 7 '7777777777777777
1937 // '1 for Rating - 4 '7777777777777777
1938 // '5 for Future Additions - 0 '333400000DIVXTAG
1939 // '128 bytes total
1940
1941 static $DIVXTAGgenre = array(
1942 0 => 'Action',
1943 1 => 'Action/Adventure',
1944 2 => 'Adventure',
1945 3 => 'Adult',
1946 4 => 'Anime',
1947 5 => 'Cartoon',
1948 6 => 'Claymation',
1949 7 => 'Comedy',
1950 8 => 'Commercial',
1951 9 => 'Documentary',
1952 10 => 'Drama',
1953 11 => 'Home Video',
1954 12 => 'Horror',
1955 13 => 'Infomercial',
1956 14 => 'Interactive',
1957 15 => 'Mystery',
1958 16 => 'Music Video',
1959 17 => 'Other',
1960 18 => 'Religion',
1961 19 => 'Sci Fi',
1962 20 => 'Thriller',
1963 21 => 'Western',
1964 ),
1965 $DIVXTAGrating = array(
1966 0 => 'Unrated',
1967 1 => 'G',
1968 2 => 'PG',
1969 3 => 'PG-13',
1970 4 => 'R',
1971 5 => 'NC-17',
1972 );
1973
1974 $parsed['title'] = trim(substr($DIVXTAG, 0, 32));
1975 $parsed['artist'] = trim(substr($DIVXTAG, 32, 28));
1976 $parsed['year'] = intval(trim(substr($DIVXTAG, 60, 4)));
1977 $parsed['comment'] = trim(substr($DIVXTAG, 64, 48));
1978 $parsed['genre_id'] = intval(trim(substr($DIVXTAG, 112, 3)));
1979 $parsed['rating_id'] = ord(substr($DIVXTAG, 115, 1));
1980 //$parsed['padding'] = substr($DIVXTAG, 116, 5); // 5-byte null
1981 //$parsed['magic'] = substr($DIVXTAG, 121, 7); // "DIVXTAG"
1982
1983 $parsed['genre'] = (isset($DIVXTAGgenre[$parsed['genre_id']]) ? $DIVXTAGgenre[$parsed['genre_id']] : $parsed['genre_id']);
1984 $parsed['rating'] = (isset($DIVXTAGrating[$parsed['rating_id']]) ? $DIVXTAGrating[$parsed['rating_id']] : $parsed['rating_id']);
1985
1986 if (!$raw) {
1987 unset($parsed['genre_id'], $parsed['rating_id']);
1988 foreach ($parsed as $key => $value) {
1989 if (!$value === '') {
1990 unset($parsed['key']);
1991 }
1992 }
1993 }
1994
1995 foreach ($parsed as $tag => $value) {
1996 $parsed[$tag] = array($value);
1997 }
1998
1999 return $parsed;
2000 }
$tag
if(function_exists( 'posix_getuid') &&posix_getuid()===0) if(!array_key_exists('t', $options)) $tag
Definition: cron.php:35

References $key, and $tag.

Referenced by Analyze().

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◆ ParseRIFF()

getid3_riff::ParseRIFF (   $startoffset,
  $maxoffset 
)

Definition at line 1441 of file module.audio-video.riff.php.

1441 {
1442 $info = &$this->getid3->info;
1443
1444 $RIFFchunk = false;
1445 $FoundAllChunksWeNeed = false;
1446
1447 try {
1448 $this->fseek($startoffset);
1449 $maxoffset = min($maxoffset, $info['avdataend']);
1450 while ($this->ftell() < $maxoffset) {
1451 $chunknamesize = $this->fread(8);
1452 //$chunkname = substr($chunknamesize, 0, 4);
1453 $chunkname = str_replace("\x00", '_', substr($chunknamesize, 0, 4)); // note: chunk names of 4 null bytes do appear to be legal (has been observed inside INFO and PRMI chunks, for example), but makes traversing array keys more difficult
1454 $chunksize = $this->EitherEndian2Int(substr($chunknamesize, 4, 4));
1455 //if (strlen(trim($chunkname, "\x00")) < 4) {
1456 if (strlen($chunkname) < 4) {
1457 $this->error('Expecting chunk name at offset '.($this->ftell() - 8).' but found nothing. Aborting RIFF parsing.');
1458 break;
1459 }
1460 if (($chunksize == 0) && ($chunkname != 'JUNK')) {
1461 $this->warning('Chunk ('.$chunkname.') size at offset '.($this->ftell() - 4).' is zero. Aborting RIFF parsing.');
1462 break;
1463 }
1464 if (($chunksize % 2) != 0) {
1465 // all structures are packed on word boundaries
1466 $chunksize++;
1467 }
1468
1469 switch ($chunkname) {
1470 case 'LIST':
1471 $listname = $this->fread(4);
1472 if (preg_match('#^(movi|rec )$#i', $listname)) {
1473 $RIFFchunk[$listname]['offset'] = $this->ftell() - 4;
1474 $RIFFchunk[$listname]['size'] = $chunksize;
1475
1476 if (!$FoundAllChunksWeNeed) {
1477 $WhereWeWere = $this->ftell();
1478 $AudioChunkHeader = $this->fread(12);
1479 $AudioChunkStreamNum = substr($AudioChunkHeader, 0, 2);
1480 $AudioChunkStreamType = substr($AudioChunkHeader, 2, 2);
1481 $AudioChunkSize = getid3_lib::LittleEndian2Int(substr($AudioChunkHeader, 4, 4));
1482
1483 if ($AudioChunkStreamType == 'wb') {
1484 $FirstFourBytes = substr($AudioChunkHeader, 8, 4);
1485 if (preg_match('/^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]/s', $FirstFourBytes)) {
1486 // MP3
1487 if (getid3_mp3::MPEGaudioHeaderBytesValid($FirstFourBytes)) {
1488 $getid3_temp = new getID3();
1489 $getid3_temp->openfile($this->getid3->filename);
1490 $getid3_temp->info['avdataoffset'] = $this->ftell() - 4;
1491 $getid3_temp->info['avdataend'] = $this->ftell() + $AudioChunkSize;
1492 $getid3_mp3 = new getid3_mp3($getid3_temp, __CLASS__);
1493 $getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false);
1494 if (isset($getid3_temp->info['mpeg']['audio'])) {
1495 $info['mpeg']['audio'] = $getid3_temp->info['mpeg']['audio'];
1496 $info['audio'] = $getid3_temp->info['audio'];
1497 $info['audio']['dataformat'] = 'mp'.$info['mpeg']['audio']['layer'];
1498 $info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate'];
1499 $info['audio']['channels'] = $info['mpeg']['audio']['channels'];
1500 $info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate'];
1501 $info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
1502 //$info['bitrate'] = $info['audio']['bitrate'];
1503 }
1504 unset($getid3_temp, $getid3_mp3);
1505 }
1506
1507 } elseif (strpos($FirstFourBytes, getid3_ac3::syncword) === 0) {
1508
1509 // AC3
1510 $getid3_temp = new getID3();
1511 $getid3_temp->openfile($this->getid3->filename);
1512 $getid3_temp->info['avdataoffset'] = $this->ftell() - 4;
1513 $getid3_temp->info['avdataend'] = $this->ftell() + $AudioChunkSize;
1514 $getid3_ac3 = new getid3_ac3($getid3_temp);
1515 $getid3_ac3->Analyze();
1516 if (empty($getid3_temp->info['error'])) {
1517 $info['audio'] = $getid3_temp->info['audio'];
1518 $info['ac3'] = $getid3_temp->info['ac3'];
1519 if (!empty($getid3_temp->info['warning'])) {
1520 foreach ($getid3_temp->info['warning'] as $key => $value) {
1521 $this->warning($value);
1522 }
1523 }
1524 }
1525 unset($getid3_temp, $getid3_ac3);
1526 }
1527 }
1528 $FoundAllChunksWeNeed = true;
1529 $this->fseek($WhereWeWere);
1530 }
1531 $this->fseek($chunksize - 4, SEEK_CUR);
1532
1533 } else {
1534
1535 if (!isset($RIFFchunk[$listname])) {
1536 $RIFFchunk[$listname] = array();
1537 }
1538 $LISTchunkParent = $listname;
1539 $LISTchunkMaxOffset = $this->ftell() - 4 + $chunksize;
1540 if ($parsedChunk = $this->ParseRIFF($this->ftell(), $LISTchunkMaxOffset)) {
1541 $RIFFchunk[$listname] = array_merge_recursive($RIFFchunk[$listname], $parsedChunk);
1542 }
1543
1544 }
1545 break;
1546
1547 default:
1548 if (preg_match('#^[0-9]{2}(wb|pc|dc|db)$#', $chunkname)) {
1549 $this->fseek($chunksize, SEEK_CUR);
1550 break;
1551 }
1552 $thisindex = 0;
1553 if (isset($RIFFchunk[$chunkname]) && is_array($RIFFchunk[$chunkname])) {
1554 $thisindex = count($RIFFchunk[$chunkname]);
1555 }
1556 $RIFFchunk[$chunkname][$thisindex]['offset'] = $this->ftell() - 8;
1557 $RIFFchunk[$chunkname][$thisindex]['size'] = $chunksize;
1558 switch ($chunkname) {
1559 case 'data':
1560 $info['avdataoffset'] = $this->ftell();
1561 $info['avdataend'] = $info['avdataoffset'] + $chunksize;
1562
1563 $testData = $this->fread(36);
1564 if ($testData === '') {
1565 break;
1566 }
1567 if (preg_match('/^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]/s', substr($testData, 0, 4))) {
1568
1569 // Probably is MP3 data
1570 if (getid3_mp3::MPEGaudioHeaderBytesValid(substr($testData, 0, 4))) {
1571 $getid3_temp = new getID3();
1572 $getid3_temp->openfile($this->getid3->filename);
1573 $getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
1574 $getid3_temp->info['avdataend'] = $info['avdataend'];
1575 $getid3_mp3 = new getid3_mp3($getid3_temp, __CLASS__);
1576 $getid3_mp3->getOnlyMPEGaudioInfo($info['avdataoffset'], false);
1577 if (empty($getid3_temp->info['error'])) {
1578 $info['audio'] = $getid3_temp->info['audio'];
1579 $info['mpeg'] = $getid3_temp->info['mpeg'];
1580 }
1581 unset($getid3_temp, $getid3_mp3);
1582 }
1583
1584 } elseif (($isRegularAC3 = (substr($testData, 0, 2) == getid3_ac3::syncword)) || substr($testData, 8, 2) == strrev(getid3_ac3::syncword)) {
1585
1586 // This is probably AC-3 data
1587 $getid3_temp = new getID3();
1588 if ($isRegularAC3) {
1589 $getid3_temp->openfile($this->getid3->filename);
1590 $getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
1591 $getid3_temp->info['avdataend'] = $info['avdataend'];
1592 }
1593 $getid3_ac3 = new getid3_ac3($getid3_temp);
1594 if ($isRegularAC3) {
1595 $getid3_ac3->Analyze();
1596 } else {
1597 // Dolby Digital WAV
1598 // AC-3 content, but not encoded in same format as normal AC-3 file
1599 // For one thing, byte order is swapped
1600 $ac3_data = '';
1601 for ($i = 0; $i < 28; $i += 2) {
1602 $ac3_data .= substr($testData, 8 + $i + 1, 1);
1603 $ac3_data .= substr($testData, 8 + $i + 0, 1);
1604 }
1605 $getid3_ac3->AnalyzeString($ac3_data);
1606 }
1607
1608 if (empty($getid3_temp->info['error'])) {
1609 $info['audio'] = $getid3_temp->info['audio'];
1610 $info['ac3'] = $getid3_temp->info['ac3'];
1611 if (!empty($getid3_temp->info['warning'])) {
1612 foreach ($getid3_temp->info['warning'] as $newerror) {
1613 $this->warning('getid3_ac3() says: ['.$newerror.']');
1614 }
1615 }
1616 }
1617 unset($getid3_temp, $getid3_ac3);
1618
1619 } elseif (preg_match('/^('.implode('|', array_map('preg_quote', getid3_dts::$syncwords)).')/', $testData)) {
1620
1621 // This is probably DTS data
1622 $getid3_temp = new getID3();
1623 $getid3_temp->openfile($this->getid3->filename);
1624 $getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
1625 $getid3_dts = new getid3_dts($getid3_temp);
1626 $getid3_dts->Analyze();
1627 if (empty($getid3_temp->info['error'])) {
1628 $info['audio'] = $getid3_temp->info['audio'];
1629 $info['dts'] = $getid3_temp->info['dts'];
1630 $info['playtime_seconds'] = $getid3_temp->info['playtime_seconds']; // may not match RIFF calculations since DTS-WAV often used 14/16 bit-word packing
1631 if (!empty($getid3_temp->info['warning'])) {
1632 foreach ($getid3_temp->info['warning'] as $newerror) {
1633 $this->warning('getid3_dts() says: ['.$newerror.']');
1634 }
1635 }
1636 }
1637
1638 unset($getid3_temp, $getid3_dts);
1639
1640 } elseif (substr($testData, 0, 4) == 'wvpk') {
1641
1642 // This is WavPack data
1643 $info['wavpack']['offset'] = $info['avdataoffset'];
1644 $info['wavpack']['size'] = getid3_lib::LittleEndian2Int(substr($testData, 4, 4));
1645 $this->parseWavPackHeader(substr($testData, 8, 28));
1646
1647 } else {
1648 // This is some other kind of data (quite possibly just PCM)
1649 // do nothing special, just skip it
1650 }
1651 $nextoffset = $info['avdataend'];
1652 $this->fseek($nextoffset);
1653 break;
1654
1655 case 'iXML':
1656 case 'bext':
1657 case 'cart':
1658 case 'fmt ':
1659 case 'strh':
1660 case 'strf':
1661 case 'indx':
1662 case 'MEXT':
1663 case 'DISP':
1664 // always read data in
1665 case 'JUNK':
1666 // should be: never read data in
1667 // but some programs write their version strings in a JUNK chunk (e.g. VirtualDub, AVIdemux, etc)
1668 if ($chunksize < 1048576) {
1669 if ($chunksize > 0) {
1670 $RIFFchunk[$chunkname][$thisindex]['data'] = $this->fread($chunksize);
1671 if ($chunkname == 'JUNK') {
1672 if (preg_match('#^([\\x20-\\x7F]+)#', $RIFFchunk[$chunkname][$thisindex]['data'], $matches)) {
1673 // only keep text characters [chr(32)-chr(127)]
1674 $info['riff']['comments']['junk'][] = trim($matches[1]);
1675 }
1676 // but if nothing there, ignore
1677 // remove the key in either case
1678 unset($RIFFchunk[$chunkname][$thisindex]['data']);
1679 }
1680 }
1681 } else {
1682 $this->warning('Chunk "'.$chunkname.'" at offset '.$this->ftell().' is unexpectedly larger than 1MB (claims to be '.number_format($chunksize).' bytes), skipping data');
1683 $this->fseek($chunksize, SEEK_CUR);
1684 }
1685 break;
1686
1687 //case 'IDVX':
1688 // $info['divxtag']['comments'] = self::ParseDIVXTAG($this->fread($chunksize));
1689 // break;
1690
1691 default:
1692 if (!empty($LISTchunkParent) && (($RIFFchunk[$chunkname][$thisindex]['offset'] + $RIFFchunk[$chunkname][$thisindex]['size']) <= $LISTchunkMaxOffset)) {
1693 $RIFFchunk[$LISTchunkParent][$chunkname][$thisindex]['offset'] = $RIFFchunk[$chunkname][$thisindex]['offset'];
1694 $RIFFchunk[$LISTchunkParent][$chunkname][$thisindex]['size'] = $RIFFchunk[$chunkname][$thisindex]['size'];
1695 unset($RIFFchunk[$chunkname][$thisindex]['offset']);
1696 unset($RIFFchunk[$chunkname][$thisindex]['size']);
1697 if (isset($RIFFchunk[$chunkname][$thisindex]) && empty($RIFFchunk[$chunkname][$thisindex])) {
1698 unset($RIFFchunk[$chunkname][$thisindex]);
1699 }
1700 if (isset($RIFFchunk[$chunkname]) && empty($RIFFchunk[$chunkname])) {
1701 unset($RIFFchunk[$chunkname]);
1702 }
1703 $RIFFchunk[$LISTchunkParent][$chunkname][$thisindex]['data'] = $this->fread($chunksize);
1704 } elseif ($chunksize < 2048) {
1705 // only read data in if smaller than 2kB
1706 $RIFFchunk[$chunkname][$thisindex]['data'] = $this->fread($chunksize);
1707 } else {
1708 $this->fseek($chunksize, SEEK_CUR);
1709 }
1710 break;
1711 }
1712 break;
1713 }
1714 }
1715
1716 } catch (getid3_exception $e) {
1717 if ($e->getCode() == 10) {
1718 $this->warning('RIFF parser: '.$e->getMessage());
1719 } else {
1720 throw $e;
1721 }
1722 }
1723
1724 return $RIFFchunk;
1725 }
getid3_ac3
getID3() by James Heinrich info@getid3.org //
Definition: module.audio.ac3.php:19
getid3_ac3\syncword
const syncword
Definition: module.audio.ac3.php:23
getid3_dts
getID3() by James Heinrich info@getid3.org //
Definition: module.audio.dts.php:22
getid3_dts\$syncwords
static $syncwords
Possible syncwords indicating bitstream encoding.
Definition: module.audio.dts.php:33
getid3_mp3\MPEGaudioHeaderBytesValid
static MPEGaudioHeaderBytesValid($head4, $allowBitrate15=false)
Definition: module.audio.mp3.php:1699
getid3_riff\parseWavPackHeader
parseWavPackHeader($WavPackChunkData)
Definition: module.audio-video.riff.php:1848

References $i, $info, $key, getid3_dts\$syncwords, EitherEndian2Int(), getid3_handler\error(), getid3_handler\fread(), getid3_handler\fseek(), getid3_handler\ftell(), getid3_lib\LittleEndian2Int(), getid3_mp3\MPEGaudioHeaderBytesValid(), ParseRIFF(), parseWavPackHeader(), getid3_ac3\syncword, and getid3_handler\warning().

Referenced by Analyze(), and ParseRIFF().

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◆ ParseRIFFAMV()

getid3_riff::ParseRIFFAMV (   $startoffset,
  $maxoffset 
)

Definition at line 1332 of file module.audio-video.riff.php.

1332 {
1333 // AMV files are RIFF-AVI files with parts of the spec deliberately broken, such as chunk size fields hardcoded to zero (because players known in hardware that these fields are always a certain size
1334
1335 // https://code.google.com/p/amv-codec-tools/wiki/AmvDocumentation
1336 //typedef struct _amvmainheader {
1337 //FOURCC fcc; // 'amvh'
1338 //DWORD cb;
1339 //DWORD dwMicroSecPerFrame;
1340 //BYTE reserve[28];
1341 //DWORD dwWidth;
1342 //DWORD dwHeight;
1343 //DWORD dwSpeed;
1344 //DWORD reserve0;
1345 //DWORD reserve1;
1346 //BYTE bTimeSec;
1347 //BYTE bTimeMin;
1348 //WORD wTimeHour;
1349 //} AMVMAINHEADER;
1350
1351 $info = &$this->getid3->info;
1352 $RIFFchunk = false;
1353
1354 try {
1355
1356 $this->fseek($startoffset);
1357 $maxoffset = min($maxoffset, $info['avdataend']);
1358 $AMVheader = $this->fread(284);
1359 if (substr($AMVheader, 0, 8) != 'hdrlamvh') {
1360 throw new Exception('expecting "hdrlamv" at offset '.($startoffset + 0).', found "'.substr($AMVheader, 0, 8).'"');
1361 }
1362 if (substr($AMVheader, 8, 4) != "\x38\x00\x00\x00") { // "amvh" chunk size, hardcoded to 0x38 = 56 bytes
1363 throw new Exception('expecting "0x38000000" at offset '.($startoffset + 8).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 8, 4)).'"');
1364 }
1365 $RIFFchunk = array();
1366 $RIFFchunk['amvh']['us_per_frame'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 12, 4));
1367 $RIFFchunk['amvh']['reserved28'] = substr($AMVheader, 16, 28); // null? reserved?
1368 $RIFFchunk['amvh']['resolution_x'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 44, 4));
1369 $RIFFchunk['amvh']['resolution_y'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 48, 4));
1370 $RIFFchunk['amvh']['frame_rate_int'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 52, 4));
1371 $RIFFchunk['amvh']['reserved0'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 56, 4)); // 1? reserved?
1372 $RIFFchunk['amvh']['reserved1'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 60, 4)); // 0? reserved?
1373 $RIFFchunk['amvh']['runtime_sec'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 64, 1));
1374 $RIFFchunk['amvh']['runtime_min'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 65, 1));
1375 $RIFFchunk['amvh']['runtime_hrs'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 66, 2));
1376
1377 $info['video']['frame_rate'] = 1000000 / $RIFFchunk['amvh']['us_per_frame'];
1378 $info['video']['resolution_x'] = $RIFFchunk['amvh']['resolution_x'];
1379 $info['video']['resolution_y'] = $RIFFchunk['amvh']['resolution_y'];
1380 $info['playtime_seconds'] = ($RIFFchunk['amvh']['runtime_hrs'] * 3600) + ($RIFFchunk['amvh']['runtime_min'] * 60) + $RIFFchunk['amvh']['runtime_sec'];
1381
1382 // the rest is all hardcoded(?) and does not appear to be useful until you get to audio info at offset 256, even then everything is probably hardcoded
1383
1384 if (substr($AMVheader, 68, 20) != 'LIST'."\x00\x00\x00\x00".'strlstrh'."\x38\x00\x00\x00") {
1385 throw new Exception('expecting "LIST<0x00000000>strlstrh<0x38000000>" at offset '.($startoffset + 68).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 68, 20)).'"');
1386 }
1387 // followed by 56 bytes of null: substr($AMVheader, 88, 56) -> 144
1388 if (substr($AMVheader, 144, 8) != 'strf'."\x24\x00\x00\x00") {
1389 throw new Exception('expecting "strf<0x24000000>" at offset '.($startoffset + 144).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 144, 8)).'"');
1390 }
1391 // followed by 36 bytes of null: substr($AMVheader, 144, 36) -> 180
1392
1393 if (substr($AMVheader, 188, 20) != 'LIST'."\x00\x00\x00\x00".'strlstrh'."\x30\x00\x00\x00") {
1394 throw new Exception('expecting "LIST<0x00000000>strlstrh<0x30000000>" at offset '.($startoffset + 188).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 188, 20)).'"');
1395 }
1396 // followed by 48 bytes of null: substr($AMVheader, 208, 48) -> 256
1397 if (substr($AMVheader, 256, 8) != 'strf'."\x14\x00\x00\x00") {
1398 throw new Exception('expecting "strf<0x14000000>" at offset '.($startoffset + 256).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 256, 8)).'"');
1399 }
1400 // followed by 20 bytes of a modified WAVEFORMATEX:
1401 // typedef struct {
1402 // WORD wFormatTag; //(Fixme: this is equal to PCM's 0x01 format code)
1403 // WORD nChannels; //(Fixme: this is always 1)
1404 // DWORD nSamplesPerSec; //(Fixme: for all known sample files this is equal to 22050)
1405 // DWORD nAvgBytesPerSec; //(Fixme: for all known sample files this is equal to 44100)
1406 // WORD nBlockAlign; //(Fixme: this seems to be 2 in AMV files, is this correct ?)
1407 // WORD wBitsPerSample; //(Fixme: this seems to be 16 in AMV files instead of the expected 4)
1408 // WORD cbSize; //(Fixme: this seems to be 0 in AMV files)
1409 // WORD reserved;
1410 // } WAVEFORMATEX;
1411 $RIFFchunk['strf']['wformattag'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 264, 2));
1412 $RIFFchunk['strf']['nchannels'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 266, 2));
1413 $RIFFchunk['strf']['nsamplespersec'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 268, 4));
1414 $RIFFchunk['strf']['navgbytespersec'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 272, 4));
1415 $RIFFchunk['strf']['nblockalign'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 276, 2));
1416 $RIFFchunk['strf']['wbitspersample'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 278, 2));
1417 $RIFFchunk['strf']['cbsize'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 280, 2));
1418 $RIFFchunk['strf']['reserved'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 282, 2));
1419
1420
1421 $info['audio']['lossless'] = false;
1422 $info['audio']['sample_rate'] = $RIFFchunk['strf']['nsamplespersec'];
1423 $info['audio']['channels'] = $RIFFchunk['strf']['nchannels'];
1424 $info['audio']['bits_per_sample'] = $RIFFchunk['strf']['wbitspersample'];
1425 $info['audio']['bitrate'] = $info['audio']['sample_rate'] * $info['audio']['channels'] * $info['audio']['bits_per_sample'];
1426 $info['audio']['bitrate_mode'] = 'cbr';
1427
1428
1429 } catch (getid3_exception $e) {
1430 if ($e->getCode() == 10) {
1431 $this->warning('RIFFAMV parser: '.$e->getMessage());
1432 } else {
1433 throw $e;
1434 }
1435 }
1436
1437 return $RIFFchunk;
1438 }

References $info, getid3_handler\fread(), getid3_handler\fseek(), getid3_lib\LittleEndian2Int(), getid3_lib\PrintHexBytes(), and getid3_handler\warning().

Referenced by Analyze().

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◆ ParseRIFFdata()

getid3_riff::ParseRIFFdata ( &  $RIFFdata)

Definition at line 1727 of file module.audio-video.riff.php.

1727 {
1728 $info = &$this->getid3->info;
1729 if ($RIFFdata) {
1730 $tempfile = tempnam(GETID3_TEMP_DIR, 'getID3');
1731 $fp_temp = fopen($tempfile, 'wb');
1732 $RIFFdataLength = strlen($RIFFdata);
1733 $NewLengthString = getid3_lib::LittleEndian2String($RIFFdataLength, 4);
1734 for ($i = 0; $i < 4; $i++) {
1735 $RIFFdata[($i + 4)] = $NewLengthString[$i];
1736 }
1737 fwrite($fp_temp, $RIFFdata);
1738 fclose($fp_temp);
1739
1740 $getid3_temp = new getID3();
1741 $getid3_temp->openfile($tempfile);
1742 $getid3_temp->info['filesize'] = $RIFFdataLength;
1743 $getid3_temp->info['filenamepath'] = $info['filenamepath'];
1744 $getid3_temp->info['tags'] = $info['tags'];
1745 $getid3_temp->info['warning'] = $info['warning'];
1746 $getid3_temp->info['error'] = $info['error'];
1747 $getid3_temp->info['comments'] = $info['comments'];
1748 $getid3_temp->info['audio'] = (isset($info['audio']) ? $info['audio'] : array());
1749 $getid3_temp->info['video'] = (isset($info['video']) ? $info['video'] : array());
1750 $getid3_riff = new getid3_riff($getid3_temp);
1751 $getid3_riff->Analyze();
1752
1753 $info['riff'] = $getid3_temp->info['riff'];
1754 $info['warning'] = $getid3_temp->info['warning'];
1755 $info['error'] = $getid3_temp->info['error'];
1756 $info['tags'] = $getid3_temp->info['tags'];
1757 $info['comments'] = $getid3_temp->info['comments'];
1758 unset($getid3_riff, $getid3_temp);
1759 unlink($tempfile);
1760 }
1761 return false;
1762 }
getid3_lib\LittleEndian2String
static LittleEndian2String($number, $minbytes=1, $synchsafe=false)
Definition: getid3.lib.php:369

References $i, $info, and getid3_lib\LittleEndian2String().

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◆ parseWAVEFORMATex()

static getid3_riff::parseWAVEFORMATex (   $WaveFormatExData)
static

Definition at line 1823 of file module.audio-video.riff.php.

1823 {
1824 // shortcut
1825 $WaveFormatEx['raw'] = array();
1826 $WaveFormatEx_raw = &$WaveFormatEx['raw'];
1827
1828 $WaveFormatEx_raw['wFormatTag'] = substr($WaveFormatExData, 0, 2);
1829 $WaveFormatEx_raw['nChannels'] = substr($WaveFormatExData, 2, 2);
1830 $WaveFormatEx_raw['nSamplesPerSec'] = substr($WaveFormatExData, 4, 4);
1831 $WaveFormatEx_raw['nAvgBytesPerSec'] = substr($WaveFormatExData, 8, 4);
1832 $WaveFormatEx_raw['nBlockAlign'] = substr($WaveFormatExData, 12, 2);
1833 $WaveFormatEx_raw['wBitsPerSample'] = substr($WaveFormatExData, 14, 2);
1834 if (strlen($WaveFormatExData) > 16) {
1835 $WaveFormatEx_raw['cbSize'] = substr($WaveFormatExData, 16, 2);
1836 }
1837 $WaveFormatEx_raw = array_map('getid3_lib::LittleEndian2Int', $WaveFormatEx_raw);
1838
1839 $WaveFormatEx['codec'] = self::wFormatTagLookup($WaveFormatEx_raw['wFormatTag']);
1840 $WaveFormatEx['channels'] = $WaveFormatEx_raw['nChannels'];
1841 $WaveFormatEx['sample_rate'] = $WaveFormatEx_raw['nSamplesPerSec'];
1842 $WaveFormatEx['bitrate'] = $WaveFormatEx_raw['nAvgBytesPerSec'] * 8;
1843 $WaveFormatEx['bits_per_sample'] = $WaveFormatEx_raw['wBitsPerSample'];
1844
1845 return $WaveFormatEx;
1846 }

References wFormatTagLookup().

Referenced by getid3_asf\Analyze(), getid3_matroska\Analyze(), Analyze(), and getid3_shorten\Analyze().

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◆ parseWavPackHeader()

getid3_riff::parseWavPackHeader (   $WavPackChunkData)

Definition at line 1848 of file module.audio-video.riff.php.

1848 {
1849 // typedef struct {
1850 // char ckID [4];
1851 // long ckSize;
1852 // short version;
1853 // short bits; // added for version 2.00
1854 // short flags, shift; // added for version 3.00
1855 // long total_samples, crc, crc2;
1856 // char extension [4], extra_bc, extras [3];
1857 // } WavpackHeader;
1858
1859 // shortcut
1860 $info = &$this->getid3->info;
1861 $info['wavpack'] = array();
1862 $thisfile_wavpack = &$info['wavpack'];
1863
1864 $thisfile_wavpack['version'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 0, 2));
1865 if ($thisfile_wavpack['version'] >= 2) {
1866 $thisfile_wavpack['bits'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 2, 2));
1867 }
1868 if ($thisfile_wavpack['version'] >= 3) {
1869 $thisfile_wavpack['flags_raw'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 4, 2));
1870 $thisfile_wavpack['shift'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 6, 2));
1871 $thisfile_wavpack['total_samples'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 8, 4));
1872 $thisfile_wavpack['crc1'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 12, 4));
1873 $thisfile_wavpack['crc2'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 16, 4));
1874 $thisfile_wavpack['extension'] = substr($WavPackChunkData, 20, 4);
1875 $thisfile_wavpack['extra_bc'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 24, 1));
1876 for ($i = 0; $i <= 2; $i++) {
1877 $thisfile_wavpack['extras'][] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 25 + $i, 1));
1878 }
1879
1880 // shortcut
1881 $thisfile_wavpack['flags'] = array();
1882 $thisfile_wavpack_flags = &$thisfile_wavpack['flags'];
1883
1884 $thisfile_wavpack_flags['mono'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000001);
1885 $thisfile_wavpack_flags['fast_mode'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000002);
1886 $thisfile_wavpack_flags['raw_mode'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000004);
1887 $thisfile_wavpack_flags['calc_noise'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000008);
1888 $thisfile_wavpack_flags['high_quality'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000010);
1889 $thisfile_wavpack_flags['3_byte_samples'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000020);
1890 $thisfile_wavpack_flags['over_20_bits'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000040);
1891 $thisfile_wavpack_flags['use_wvc'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000080);
1892 $thisfile_wavpack_flags['noiseshaping'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000100);
1893 $thisfile_wavpack_flags['very_fast_mode'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000200);
1894 $thisfile_wavpack_flags['new_high_quality'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000400);
1895 $thisfile_wavpack_flags['cancel_extreme'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000800);
1896 $thisfile_wavpack_flags['cross_decorrelation'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x001000);
1897 $thisfile_wavpack_flags['new_decorrelation'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x002000);
1898 $thisfile_wavpack_flags['joint_stereo'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x004000);
1899 $thisfile_wavpack_flags['extra_decorrelation'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x008000);
1900 $thisfile_wavpack_flags['override_noiseshape'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x010000);
1901 $thisfile_wavpack_flags['override_jointstereo'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x020000);
1902 $thisfile_wavpack_flags['copy_source_filetime'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x040000);
1903 $thisfile_wavpack_flags['create_exe'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x080000);
1904 }
1905
1906 return true;
1907 }

References $i, $info, and getid3_lib\LittleEndian2Int().

Referenced by ParseRIFF().

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◆ waveSNDMtagLookup()

static getid3_riff::waveSNDMtagLookup (   $tagshortname)
static

This is not a comment! 

©kwd        keywords
©BPM        bpm
©trt        tracktitle
©des        description
©gen        category
©fin        featuredinstrument
©LID        longid
©bex        bwdescription
©pub        publisher
©cdt        cdtitle
©alb        library
©com        composer

Definition at line 2002 of file module.audio-video.riff.php.

2002 {
2003 $begin = __LINE__;
2004
2022 return getid3_lib::EmbeddedLookup($tagshortname, $begin, __LINE__, __FILE__, 'riff-sndm');
2023 }

References getid3_lib\EmbeddedLookup().

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◆ wFormatTagLookup()

static getid3_riff::wFormatTagLookup (   $wFormatTag)
static

This is not a comment! 

0x0000      Microsoft Unknown Wave Format
0x0001      Pulse Code Modulation (PCM)
0x0002      Microsoft ADPCM
0x0003      IEEE Float
0x0004      Compaq Computer VSELP
0x0005      IBM CVSD
0x0006      Microsoft A-Law
0x0007      Microsoft mu-Law
0x0008      Microsoft DTS
0x0010      OKI ADPCM
0x0011      Intel DVI/IMA ADPCM
0x0012      Videologic MediaSpace ADPCM
0x0013      Sierra Semiconductor ADPCM
0x0014      Antex Electronics G.723 ADPCM
0x0015      DSP Solutions DigiSTD
0x0016      DSP Solutions DigiFIX
0x0017      Dialogic OKI ADPCM
0x0018      MediaVision ADPCM
0x0019      Hewlett-Packard CU
0x0020      Yamaha ADPCM
0x0021      Speech Compression Sonarc
0x0022      DSP Group TrueSpeech
0x0023      Echo Speech EchoSC1
0x0024      Audiofile AF36
0x0025      Audio Processing Technology APTX
0x0026      AudioFile AF10
0x0027      Prosody 1612
0x0028      LRC
0x0030      Dolby AC2
0x0031      Microsoft GSM 6.10
0x0032      MSNAudio
0x0033      Antex Electronics ADPCME
0x0034      Control Resources VQLPC
0x0035      DSP Solutions DigiREAL
0x0036      DSP Solutions DigiADPCM
0x0037      Control Resources CR10
0x0038      Natural MicroSystems VBXADPCM
0x0039      Crystal Semiconductor IMA ADPCM
0x003A      EchoSC3
0x003B      Rockwell ADPCM
0x003C      Rockwell Digit LK
0x003D      Xebec
0x0040      Antex Electronics G.721 ADPCM
0x0041      G.728 CELP
0x0042      MSG723
0x0050      MPEG Layer-2 or Layer-1
0x0052      RT24
0x0053      PAC
0x0055      MPEG Layer-3
0x0059      Lucent G.723
0x0060      Cirrus
0x0061      ESPCM
0x0062      Voxware
0x0063      Canopus Atrac
0x0064      G.726 ADPCM
0x0065      G.722 ADPCM
0x0066      DSAT
0x0067      DSAT Display
0x0069      Voxware Byte Aligned
0x0070      Voxware AC8
0x0071      Voxware AC10
0x0072      Voxware AC16
0x0073      Voxware AC20
0x0074      Voxware MetaVoice
0x0075      Voxware MetaSound
0x0076      Voxware RT29HW
0x0077      Voxware VR12
0x0078      Voxware VR18
0x0079      Voxware TQ40
0x0080      Softsound
0x0081      Voxware TQ60
0x0082      MSRT24
0x0083      G.729A
0x0084      MVI MV12
0x0085      DF G.726
0x0086      DF GSM610
0x0088      ISIAudio
0x0089      Onlive
0x0091      SBC24
0x0092      Dolby AC3 SPDIF
0x0093      MediaSonic G.723
0x0094      Aculab PLC    Prosody 8kbps
0x0097      ZyXEL ADPCM
0x0098      Philips LPCBB
0x0099      Packed
0x00FF      AAC
0x0100      Rhetorex ADPCM
0x0101      IBM mu-law
0x0102      IBM A-law
0x0103      IBM AVC Adaptive Differential Pulse Code Modulation (ADPCM)
0x0111      Vivo G.723
0x0112      Vivo Siren
0x0123      Digital G.723
0x0125      Sanyo LD ADPCM
0x0130      Sipro Lab Telecom ACELP NET
0x0131      Sipro Lab Telecom ACELP 4800
0x0132      Sipro Lab Telecom ACELP 8V3
0x0133      Sipro Lab Telecom G.729
0x0134      Sipro Lab Telecom G.729A
0x0135      Sipro Lab Telecom Kelvin
0x0140      Windows Media Video V8
0x0150      Qualcomm PureVoice
0x0151      Qualcomm HalfRate
0x0155      Ring Zero Systems TUB GSM
0x0160      Microsoft Audio 1
0x0161      Windows Media Audio V7 / V8 / V9
0x0162      Windows Media Audio Professional V9
0x0163      Windows Media Audio Lossless V9
0x0200      Creative Labs ADPCM
0x0202      Creative Labs Fastspeech8
0x0203      Creative Labs Fastspeech10
0x0210      UHER Informatic GmbH ADPCM
0x0220      Quarterdeck
0x0230      I-link Worldwide VC
0x0240      Aureal RAW Sport
0x0250      Interactive Products HSX
0x0251      Interactive Products RPELP
0x0260      Consistent Software CS2
0x0270      Sony SCX
0x0300      Fujitsu FM Towns Snd
0x0400      BTV Digital
0x0401      Intel Music Coder
0x0450      QDesign Music
0x0680      VME VMPCM
0x0681      AT&T Labs TPC
0x08AE      ClearJump LiteWave
0x1000      Olivetti GSM
0x1001      Olivetti ADPCM
0x1002      Olivetti CELP
0x1003      Olivetti SBC
0x1004      Olivetti OPR
0x1100      Lernout & Hauspie Codec (0x1100)
0x1101      Lernout & Hauspie CELP Codec (0x1101)
0x1102      Lernout & Hauspie SBC Codec (0x1102)
0x1103      Lernout & Hauspie SBC Codec (0x1103)
0x1104      Lernout & Hauspie SBC Codec (0x1104)
0x1400      Norris
0x1401      AT&T ISIAudio
0x1500      Soundspace Music Compression
0x181C      VoxWare RT24 Speech
0x1FC4      NCT Soft ALF2CD (www.nctsoft.com)
0x2000      Dolby AC3
0x2001      Dolby DTS
0x2002      WAVE_FORMAT_14_4
0x2003      WAVE_FORMAT_28_8
0x2004      WAVE_FORMAT_COOK
0x2005      WAVE_FORMAT_DNET
0x674F      Ogg Vorbis 1
0x6750      Ogg Vorbis 2
0x6751      Ogg Vorbis 3
0x676F      Ogg Vorbis 1+
0x6770      Ogg Vorbis 2+
0x6771      Ogg Vorbis 3+
0x7A21      GSM-AMR (CBR, no SID)
0x7A22      GSM-AMR (VBR, including SID)
0xFFFE      WAVE_FORMAT_EXTENSIBLE
0xFFFF      WAVE_FORMAT_DEVELOPMENT

Definition at line 2025 of file module.audio-video.riff.php.

2025 {
2026
2027 $begin = __LINE__;
2028
2191 return getid3_lib::EmbeddedLookup('0x'.str_pad(strtoupper(dechex($wFormatTag)), 4, '0', STR_PAD_LEFT), $begin, __LINE__, __FILE__, 'riff-wFormatTag');
2192 }

References getid3_lib\EmbeddedLookup().

Referenced by Analyze(), and parseWAVEFORMATex().

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Field Documentation

◆ $container

getid3_riff::$container = 'riff'
protected

Definition at line 32 of file module.audio-video.riff.php.

The documentation for this class was generated from the following file: