1 /*****************************************************************************
2 * codecs.h: codec related structures needed by the demuxers and decoders
3 *****************************************************************************
4 * Copyright (C) 1999-2001 the VideoLAN team
7 * Author: Gildas Bazin <gbazin@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
25 #define VLC_CODECS_H 1
27 #include <vlc_fourcc.h>
30 * This file defines codec related structures needed by the demuxers and decoders
33 #ifdef HAVE_ATTRIBUTE_PACKED
34 # define ATTR_PACKED __attribute__((__packed__))
39 /* Structures exported to the demuxers and decoders */
41 #if !(defined _GUID_DEFINED || defined GUID_DEFINED)
49 } GUID, *REFGUID, *LPGUID;
50 #endif /* GUID_DEFINED */
52 #ifndef _WAVEFORMATEX_
53 #define _WAVEFORMATEX_
59 uint32_t nSamplesPerSec;
60 uint32_t nAvgBytesPerSec;
62 uint16_t wBitsPerSample;
64 } WAVEFORMATEX, *PWAVEFORMATEX, *NPWAVEFORMATEX, *LPWAVEFORMATEX;
65 #endif /* _WAVEFORMATEX_ */
67 #ifndef _WAVEFORMATEXTENSIBLE_
68 #define _WAVEFORMATEXTENSIBLE_
71 _WAVEFORMATEXTENSIBLE {
74 uint16_t wValidBitsPerSample;
75 uint16_t wSamplesPerBlock;
78 uint32_t dwChannelMask;
80 } WAVEFORMATEXTENSIBLE, *PWAVEFORMATEXTENSIBLE;
81 #endif /* _WAVEFORMATEXTENSIBLE_ */
92 uint32_t SubChunkLength;
97 uint16_t BytesPerSample;
98 uint16_t BitsPerSample;
102 #endif /* _WAVEHEADER_ */
104 #if !defined(_BITMAPINFOHEADER_) && !defined(WIN32)
105 #define _BITMAPINFOHEADER_
114 uint32_t biCompression;
115 uint32_t biSizeImage;
116 uint32_t biXPelsPerMeter;
117 uint32_t biYPelsPerMeter;
119 uint32_t biClrImportant;
120 } BITMAPINFOHEADER, *PBITMAPINFOHEADER, *LPBITMAPINFOHEADER;
125 BITMAPINFOHEADER bmiHeader;
127 } BITMAPINFO, *LPBITMAPINFO;
135 int left, top, right, bottom;
139 #ifndef _REFERENCE_TIME_
140 #define _REFERENCE_TIME_
141 typedef int64_t REFERENCE_TIME;
144 #ifndef _VIDEOINFOHEADER_
145 #define _VIDEOINFOHEADER_
152 uint32_t dwBitErrorRate;
153 REFERENCE_TIME AvgTimePerFrame;
154 BITMAPINFOHEADER bmiHeader;
170 #ifndef _TRUECOLORINFO_
171 #define _TRUECOLORINFO_
175 uint32_t dwBitMasks[3];
176 RGBQUAD1 bmiColors[256];
188 uint32_t dwBitErrorRate;
189 REFERENCE_TIME AvgTimePerFrame;
190 BITMAPINFOHEADER bmiHeader;
194 RGBQUAD1 bmiColors[256]; /* Colour palette */
195 uint32_t dwBitMasks[3]; /* True colour masks */
196 TRUECOLORINFO TrueColorInfo; /* Both of the above */
202 /* WAVE format wFormatTag IDs */
203 #define WAVE_FORMAT_UNKNOWN 0x0000 /* Microsoft Corporation */
204 #define WAVE_FORMAT_PCM 0x0001 /* Microsoft Corporation */
205 #define WAVE_FORMAT_ADPCM 0x0002 /* Microsoft Corporation */
206 #define WAVE_FORMAT_IEEE_FLOAT 0x0003 /* Microsoft Corporation */
207 #define WAVE_FORMAT_ALAW 0x0006 /* Microsoft Corporation */
208 #define WAVE_FORMAT_MULAW 0x0007 /* Microsoft Corporation */
209 #define WAVE_FORMAT_DTS_MS 0x0008 /* Microsoft Corporation */
210 #define WAVE_FORMAT_WMAS 0x000a /* WMA 9 Speech */
211 #define WAVE_FORMAT_IMA_ADPCM 0x0011 /* Intel Corporation */
212 #define WAVE_FORMAT_TRUESPEECH 0x0022 /* TrueSpeech */
213 #define WAVE_FORMAT_GSM610 0x0031 /* Microsoft Corporation */
214 #define WAVE_FORMAT_MSNAUDIO 0x0032 /* Microsoft Corporation */
215 #define WAVE_FORMAT_G726 0x0045 /* ITU-T standard */
216 #define WAVE_FORMAT_MPEG 0x0050 /* Microsoft Corporation */
217 #define WAVE_FORMAT_MPEGLAYER3 0x0055 /* ISO/MPEG Layer3 Format Tag */
218 #define WAVE_FORMAT_DOLBY_AC3_SPDIF 0x0092 /* Sonic Foundry */
220 #define WAVE_FORMAT_A52 0x2000
221 #define WAVE_FORMAT_DTS 0x2001
222 #define WAVE_FORMAT_WMA1 0x0160 /* WMA version 1 */
223 #define WAVE_FORMAT_WMA2 0x0161 /* WMA (v2) 7, 8, 9 Series */
224 #define WAVE_FORMAT_WMAP 0x0162 /* WMA 9 Professional */
225 #define WAVE_FORMAT_WMAL 0x0163 /* WMA 9 Lossless */
226 #define WAVE_FORMAT_DIVIO_AAC 0x4143
227 #define WAVE_FORMAT_AAC 0x00FF
228 #define WAVE_FORMAT_FFMPEG_AAC 0x706D
230 /* Need to check these */
231 #define WAVE_FORMAT_DK3 0x0061
232 #define WAVE_FORMAT_DK4 0x0062
234 /* At least FFmpeg use that ID: from libavformat/riff.c ('Vo' == 0x566f)
235 * { CODEC_ID_VORBIS, ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id?
237 #define WAVE_FORMAT_VORBIS 0x566f
239 /* It seems that these IDs are used by braindead & obsolete VorbisACM encoder
241 * A few info is available except VorbisACM source (remember, Windows only)
242 * (available on http://svn.xiph.org), but it seems that vo3+ at least is
243 * made of Vorbis data encapsulated in Ogg container...
245 #define WAVE_FORMAT_VORB_1 0x674f
246 #define WAVE_FORMAT_VORB_2 0x6750
247 #define WAVE_FORMAT_VORB_3 0x6751
248 #define WAVE_FORMAT_VORB_1PLUS 0x676f
249 #define WAVE_FORMAT_VORB_2PLUS 0x6770
250 #define WAVE_FORMAT_VORB_3PLUS 0x6771
252 #define WAVE_FORMAT_SPEEX 0xa109 /* Speex audio */
255 #if !defined(WAVE_FORMAT_EXTENSIBLE)
256 #define WAVE_FORMAT_EXTENSIBLE 0xFFFE /* Microsoft */
259 /* GUID SubFormat IDs */
260 /* We need both b/c const variables are not compile-time constants in C, giving
261 * us an error if we use the const GUID in an enum */
263 #ifndef _KSDATAFORMAT_SUBTYPE_PCM_
264 #define _KSDATAFORMAT_SUBTYPE_PCM_ {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}
265 static const GUID VLC_KSDATAFORMAT_SUBTYPE_PCM = {0xE923AABF, 0xCB58, 0x4471, {0xA1, 0x19, 0xFF, 0xFA, 0x01, 0xE4, 0xCE, 0x62}};
266 #define KSDATAFORMAT_SUBTYPE_PCM VLC_KSDATAFORMAT_SUBTYPE_PCM
269 #ifndef _KSDATAFORMAT_SUBTYPE_UNKNOWN_
270 #define _KSDATAFORMAT_SUBTYPE_UNKNOWN_ {0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}
271 static const GUID VLC_KSDATAFORMAT_SUBTYPE_UNKNOWN = {0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
272 #define KSDATAFORMAT_SUBTYPE_UNKNOWN VLC_KSDATAFORMAT_SUBTYPE_UNKNOWN
275 /* Microsoft speaker definitions */
276 #define WAVE_SPEAKER_FRONT_LEFT 0x1
277 #define WAVE_SPEAKER_FRONT_RIGHT 0x2
278 #define WAVE_SPEAKER_FRONT_CENTER 0x4
279 #define WAVE_SPEAKER_LOW_FREQUENCY 0x8
280 #define WAVE_SPEAKER_BACK_LEFT 0x10
281 #define WAVE_SPEAKER_BACK_RIGHT 0x20
282 #define WAVE_SPEAKER_FRONT_LEFT_OF_CENTER 0x40
283 #define WAVE_SPEAKER_FRONT_RIGHT_OF_CENTER 0x80
284 #define WAVE_SPEAKER_BACK_CENTER 0x100
285 #define WAVE_SPEAKER_SIDE_LEFT 0x200
286 #define WAVE_SPEAKER_SIDE_RIGHT 0x400
287 #define WAVE_SPEAKER_TOP_CENTER 0x800
288 #define WAVE_SPEAKER_TOP_FRONT_LEFT 0x1000
289 #define WAVE_SPEAKER_TOP_FRONT_CENTER 0x2000
290 #define WAVE_SPEAKER_TOP_FRONT_RIGHT 0x4000
291 #define WAVE_SPEAKER_TOP_BACK_LEFT 0x8000
292 #define WAVE_SPEAKER_TOP_BACK_CENTER 0x10000
293 #define WAVE_SPEAKER_TOP_BACK_RIGHT 0x20000
294 #define WAVE_SPEAKER_RESERVED 0x80000000
299 vlc_fourcc_t i_fourcc;
300 const char *psz_name;
302 wave_format_tag_to_fourcc[] =
304 { WAVE_FORMAT_PCM, VLC_FOURCC( 'a', 'r', 'a', 'w' ), "Raw audio" },
305 { WAVE_FORMAT_ADPCM, VLC_CODEC_ADPCM_MS, "ADPCM" },
306 { WAVE_FORMAT_IEEE_FLOAT, VLC_FOURCC( 'a', 'f', 'l', 't' ), "IEEE Float audio" },
307 { WAVE_FORMAT_ALAW, VLC_CODEC_ALAW, "A-Law" },
308 { WAVE_FORMAT_MULAW, VLC_CODEC_MULAW, "Mu-Law" },
309 { WAVE_FORMAT_IMA_ADPCM, VLC_CODEC_ADPCM_IMA_WAV, "Ima-ADPCM" },
310 { WAVE_FORMAT_TRUESPEECH, VLC_FOURCC(0x22, 0x0, 0x0, 0x0 ), "Truespeech" },
311 { WAVE_FORMAT_GSM610, VLC_CODEC_GSM_MS, "Microsoft WAV GSM" },
312 { WAVE_FORMAT_G726, VLC_CODEC_ADPCM_G726, "G.726 ADPCM" },
313 { WAVE_FORMAT_MPEGLAYER3, VLC_CODEC_MPGA, "Mpeg Audio" },
314 { WAVE_FORMAT_MPEG, VLC_CODEC_MPGA, "Mpeg Audio" },
315 { WAVE_FORMAT_A52, VLC_CODEC_A52, "A/52" },
316 { WAVE_FORMAT_WMA1, VLC_CODEC_WMA1, "Window Media Audio v1" },
317 { WAVE_FORMAT_WMA2, VLC_CODEC_WMA2, "Window Media Audio v2" },
318 { WAVE_FORMAT_WMAP, VLC_CODEC_WMAP, "Window Media Audio 9 Professional" },
319 { WAVE_FORMAT_WMAL, VLC_CODEC_WMAL, "Window Media Audio 9 Lossless" },
320 { WAVE_FORMAT_WMAS, VLC_CODEC_WMAS, "Window Media Audio 9 Speech" },
321 { WAVE_FORMAT_DK3, VLC_FOURCC( 'm', 's', 0x00,0x61), "Duck DK3" },
322 { WAVE_FORMAT_DK4, VLC_FOURCC( 'm', 's', 0x00,0x62), "Duck DK4" },
323 { WAVE_FORMAT_DTS, VLC_CODEC_DTS, "DTS Coherent Acoustics" },
324 { WAVE_FORMAT_DTS_MS, VLC_CODEC_DTS, "DTS Coherent Acoustics" },
325 { WAVE_FORMAT_DIVIO_AAC, VLC_CODEC_MP4A, "MPEG-4 Audio (Divio)" },
326 { WAVE_FORMAT_AAC, VLC_CODEC_MP4A, "MPEG-4 Audio" },
327 { WAVE_FORMAT_FFMPEG_AAC, VLC_CODEC_MP4A, "MPEG-4 Audio" },
328 { WAVE_FORMAT_VORBIS, VLC_CODEC_VORBIS, "Vorbis Audio" },
329 { WAVE_FORMAT_VORB_1, VLC_FOURCC( 'v', 'o', 'r', '1' ), "Vorbis 1 Audio" },
330 { WAVE_FORMAT_VORB_1PLUS, VLC_FOURCC( 'v', 'o', '1', '+' ), "Vorbis 1+ Audio" },
331 { WAVE_FORMAT_VORB_2, VLC_FOURCC( 'v', 'o', 'r', '2' ), "Vorbis 2 Audio" },
332 { WAVE_FORMAT_VORB_2PLUS, VLC_FOURCC( 'v', 'o', '2', '+' ), "Vorbis 2+ Audio" },
333 { WAVE_FORMAT_VORB_3, VLC_FOURCC( 'v', 'o', 'r', '3' ), "Vorbis 3 Audio" },
334 { WAVE_FORMAT_VORB_3PLUS, VLC_FOURCC( 'v', 'o', '3', '+' ), "Vorbis 3+ Audio" },
335 { WAVE_FORMAT_SPEEX, VLC_CODEC_SPEEX, "Speex Audio" },
336 { WAVE_FORMAT_UNKNOWN, VLC_FOURCC( 'u', 'n', 'd', 'f' ), "Unknown" }
339 static inline void wf_tag_to_fourcc( uint16_t i_tag, vlc_fourcc_t *fcc,
340 const char **ppsz_name )
343 for( i = 0; wave_format_tag_to_fourcc[i].i_tag != 0; i++ )
345 if( wave_format_tag_to_fourcc[i].i_tag == i_tag ) break;
347 if( fcc ) *fcc = wave_format_tag_to_fourcc[i].i_fourcc;
348 if( ppsz_name ) *ppsz_name = wave_format_tag_to_fourcc[i].psz_name;
351 static inline void fourcc_to_wf_tag( vlc_fourcc_t fcc, uint16_t *pi_tag )
354 for( i = 0; wave_format_tag_to_fourcc[i].i_tag != 0; i++ )
356 if( wave_format_tag_to_fourcc[i].i_fourcc == fcc ) break;
358 if( pi_tag ) *pi_tag = wave_format_tag_to_fourcc[i].i_tag;
361 /* If wFormatTag is WAVEFORMATEXTENSIBLE, we must look at the SubFormat tag
362 * to determine the actual format. Microsoft has stopped giving out wFormatTag
363 * assignments in lieu of letting 3rd parties generate their own GUIDs
368 vlc_fourcc_t i_fourcc;
369 const char *psz_name;
371 sub_format_tag_to_fourcc[] =
373 { _KSDATAFORMAT_SUBTYPE_PCM_, VLC_FOURCC( 'p', 'c', 'm', ' ' ), "PCM" },
374 { _KSDATAFORMAT_SUBTYPE_UNKNOWN_, VLC_FOURCC( 'u', 'n', 'd', 'f' ), "Unknown" }
377 /* compares two GUIDs, returns 1 if identical, 0 otherwise */
378 static inline int guidcmp( const GUID *s1, const GUID *s2 )
380 return( s1->Data1 == s2->Data1 && s1->Data2 == s2->Data2 &&
381 s1->Data3 == s2->Data3 && !memcmp( s1->Data4, s2->Data4, 8 ) );
384 static inline void sf_tag_to_fourcc( GUID *guid_tag,
385 vlc_fourcc_t *fcc, const char **ppsz_name )
389 for( i = 0; !guidcmp( &sub_format_tag_to_fourcc[i].guid_tag,
390 &KSDATAFORMAT_SUBTYPE_UNKNOWN ); i++ )
392 if( guidcmp( &sub_format_tag_to_fourcc[i].guid_tag, guid_tag ) ) break;
394 if( fcc ) *fcc = sub_format_tag_to_fourcc[i].i_fourcc;
395 if( ppsz_name ) *ppsz_name = sub_format_tag_to_fourcc[i].psz_name;
398 #endif /* "codecs.h" */