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 *****************************************************************************/
24 #if !defined( __LIBVLC__ )
25 #error You are not libvlc or one of its plugins. You cannot include this file
29 #define _VLC_CODECS_H 1
31 /* Structures exported to the demuxers and decoders */
33 #if !(defined _GUID_DEFINED || defined GUID_DEFINED)
41 } GUID, *REFGUID, *LPGUID;
42 #endif /* GUID_DEFINED */
44 #ifndef _WAVEFORMATEX_
45 #define _WAVEFORMATEX_
47 #ifdef HAVE_ATTRIBUTE_PACKED
48 __attribute__((__packed__))
53 uint32_t nSamplesPerSec;
54 uint32_t nAvgBytesPerSec;
56 uint16_t wBitsPerSample;
58 } WAVEFORMATEX, *PWAVEFORMATEX, *NPWAVEFORMATEX, *LPWAVEFORMATEX;
59 #endif /* _WAVEFORMATEX_ */
61 #ifndef _WAVEFORMATEXTENSIBLE_
62 #define _WAVEFORMATEXTENSIBLE_
64 #ifdef HAVE_ATTRIBUTE_PACKED
65 __attribute__((__packed__))
67 _WAVEFORMATEXTENSIBLE {
70 uint16_t wValidBitsPerSample;
71 uint16_t wSamplesPerBlock;
74 uint32_t dwChannelMask;
76 } WAVEFORMATEXTENSIBLE, *PWAVEFORMATEXTENSIBLE;
77 #endif /* _WAVEFORMATEXTENSIBLE_ */
82 #ifdef HAVE_ATTRIBUTE_PACKED
83 __attribute__((__packed__))
90 uint32_t SubChunkLength;
95 uint16_t BytesPerSample;
96 uint16_t BitsPerSample;
100 #endif /* _WAVEHEADER_ */
102 #if !defined(_BITMAPINFOHEADER_) && !defined(WIN32)
103 #define _BITMAPINFOHEADER_
105 #ifdef HAVE_ATTRIBUTE_PACKED
106 __attribute__((__packed__))
114 uint32_t biCompression;
115 uint32_t biSizeImage;
116 uint32_t biXPelsPerMeter;
117 uint32_t biYPelsPerMeter;
119 uint32_t biClrImportant;
120 } BITMAPINFOHEADER, *PBITMAPINFOHEADER, *LPBITMAPINFOHEADER;
123 #ifdef HAVE_ATTRIBUTE_PACKED
124 __attribute__((__packed__))
127 BITMAPINFOHEADER bmiHeader;
129 } BITMAPINFO, *LPBITMAPINFO;
135 #ifdef HAVE_ATTRIBUTE_PACKED
136 __attribute__((__packed__))
139 int left, top, right, bottom;
143 #ifndef _REFERENCE_TIME_
144 #define _REFERENCE_TIME_
145 typedef int64_t REFERENCE_TIME;
148 #ifndef _VIDEOINFOHEADER_
149 #define _VIDEOINFOHEADER_
151 #ifdef HAVE_ATTRIBUTE_PACKED
152 __attribute__((__packed__))
158 uint32_t dwBitErrorRate;
159 REFERENCE_TIME AvgTimePerFrame;
160 BITMAPINFOHEADER bmiHeader;
167 #ifdef HAVE_ATTRIBUTE_PACKED
168 __attribute__((__packed__))
178 #ifndef _TRUECOLORINFO_
179 #define _TRUECOLORINFO_
181 #ifdef HAVE_ATTRIBUTE_PACKED
182 __attribute__((__packed__))
185 uint32_t dwBitMasks[3];
186 RGBQUAD1 bmiColors[256];
193 #ifdef HAVE_ATTRIBUTE_PACKED
194 __attribute__((__packed__))
200 uint32_t dwBitErrorRate;
201 REFERENCE_TIME AvgTimePerFrame;
202 BITMAPINFOHEADER bmiHeader;
206 RGBQUAD1 bmiColors[256]; /* Colour palette */
207 uint32_t dwBitMasks[3]; /* True colour masks */
208 TRUECOLORINFO TrueColorInfo; /* Both of the above */
214 /* WAVE format wFormatTag IDs */
215 #define WAVE_FORMAT_UNKNOWN 0x0000 /* Microsoft Corporation */
216 #define WAVE_FORMAT_PCM 0x0001 /* Microsoft Corporation */
217 #define WAVE_FORMAT_ADPCM 0x0002 /* Microsoft Corporation */
218 #define WAVE_FORMAT_IEEE_FLOAT 0x0003 /* Microsoft Corporation */
219 #define WAVE_FORMAT_ALAW 0x0006 /* Microsoft Corporation */
220 #define WAVE_FORMAT_MULAW 0x0007 /* Microsoft Corporation */
221 #define WAVE_FORMAT_DTS_MS 0x0008 /* Microsoft Corporation */
222 #define WAVE_FORMAT_WMAS 0x000a /* WMA 9 Speech */
223 #define WAVE_FORMAT_IMA_ADPCM 0x0011 /* Intel Corporation */
224 #define WAVE_FORMAT_GSM610 0x0031 /* Microsoft Corporation */
225 #define WAVE_FORMAT_MSNAUDIO 0x0032 /* Microsoft Corporation */
226 #define WAVE_FORMAT_G726 0x0045 /* ITU-T standard */
227 #define WAVE_FORMAT_MPEG 0x0050 /* Microsoft Corporation */
228 #define WAVE_FORMAT_MPEGLAYER3 0x0055 /* ISO/MPEG Layer3 Format Tag */
229 #define WAVE_FORMAT_DOLBY_AC3_SPDIF 0x0092 /* Sonic Foundry */
231 #define WAVE_FORMAT_A52 0x2000
232 #define WAVE_FORMAT_DTS 0x2001
233 #define WAVE_FORMAT_WMA1 0x0160 /* WMA version 1 */
234 #define WAVE_FORMAT_WMA2 0x0161 /* WMA (v2) 7, 8, 9 Series */
235 #define WAVE_FORMAT_WMAP 0x0162 /* WMA 9 Professional */
236 #define WAVE_FORMAT_WMAL 0x0163 /* WMA 9 Lossless */
237 #define WAVE_FORMAT_DIVIO_AAC 0x4143
238 #define WAVE_FORMAT_AAC 0x00FF
239 #define WAVE_FORMAT_FFMPEG_AAC 0x706D
241 /* Need to check these */
242 #define WAVE_FORMAT_DK3 0x0061
243 #define WAVE_FORMAT_DK4 0x0062
245 #define WAVE_FORMAT_VORB_1 0x674f
246 #define WAVE_FORMAT_VORB_1PLUS 0x676f
247 #define WAVE_FORMAT_VORB_2 0x6750
248 #define WAVE_FORMAT_VORB_2PLUS 0x6770
249 #define WAVE_FORMAT_VORB_3 0x6751
250 #define WAVE_FORMAT_VORB_3PLUS 0x6771
251 #define WAVE_FORMAT_SPEEX 0xa109 /* Speex audio */
254 #if !defined(WAVE_FORMAT_EXTENSIBLE)
255 #define WAVE_FORMAT_EXTENSIBLE 0xFFFE /* Microsoft */
258 /* GUID SubFormat IDs */
259 /* We need both b/c const variables are not compile-time constants in C, giving
260 * us an error if we use the const GUID in an enum */
262 #ifndef _KSDATAFORMAT_SUBTYPE_PCM_
263 #define _KSDATAFORMAT_SUBTYPE_PCM_ {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}
264 static const GUID VLC_KSDATAFORMAT_SUBTYPE_PCM = {0xE923AABF, 0xCB58, 0x4471, {0xA1, 0x19, 0xFF, 0xFA, 0x01, 0xE4, 0xCE, 0x62}};
265 #define KSDATAFORMAT_SUBTYPE_PCM VLC_KSDATAFORMAT_SUBTYPE_PCM
268 #ifndef _KSDATAFORMAT_SUBTYPE_UNKNOWN_
269 #define _KSDATAFORMAT_SUBTYPE_UNKNOWN_ {0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}
270 static const GUID VLC_KSDATAFORMAT_SUBTYPE_UNKNOWN = {0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
271 #define KSDATAFORMAT_SUBTYPE_UNKNOWN VLC_KSDATAFORMAT_SUBTYPE_UNKNOWN
274 /* Microsoft speaker definitions */
275 #define WAVE_SPEAKER_FRONT_LEFT 0x1
276 #define WAVE_SPEAKER_FRONT_RIGHT 0x2
277 #define WAVE_SPEAKER_FRONT_CENTER 0x4
278 #define WAVE_SPEAKER_LOW_FREQUENCY 0x8
279 #define WAVE_SPEAKER_BACK_LEFT 0x10
280 #define WAVE_SPEAKER_BACK_RIGHT 0x20
281 #define WAVE_SPEAKER_FRONT_LEFT_OF_CENTER 0x40
282 #define WAVE_SPEAKER_FRONT_RIGHT_OF_CENTER 0x80
283 #define WAVE_SPEAKER_BACK_CENTER 0x100
284 #define WAVE_SPEAKER_SIDE_LEFT 0x200
285 #define WAVE_SPEAKER_SIDE_RIGHT 0x400
286 #define WAVE_SPEAKER_TOP_CENTER 0x800
287 #define WAVE_SPEAKER_TOP_FRONT_LEFT 0x1000
288 #define WAVE_SPEAKER_TOP_FRONT_CENTER 0x2000
289 #define WAVE_SPEAKER_TOP_FRONT_RIGHT 0x4000
290 #define WAVE_SPEAKER_TOP_BACK_LEFT 0x8000
291 #define WAVE_SPEAKER_TOP_BACK_CENTER 0x10000
292 #define WAVE_SPEAKER_TOP_BACK_RIGHT 0x20000
293 #define WAVE_SPEAKER_RESERVED 0x80000000
298 vlc_fourcc_t i_fourcc;
299 const char *psz_name;
301 wave_format_tag_to_fourcc[] =
303 { WAVE_FORMAT_PCM, VLC_FOURCC( 'a', 'r', 'a', 'w' ), "Raw audio" },
304 { WAVE_FORMAT_ADPCM, VLC_FOURCC( 'm', 's', 0x00,0x02), "ADPCM" },
305 { WAVE_FORMAT_IEEE_FLOAT, VLC_FOURCC( 'a', 'f', 'l', 't' ), "IEEE Float audio" },
306 { WAVE_FORMAT_ALAW, VLC_FOURCC( 'a', 'l', 'a', 'w' ), "A-Law" },
307 { WAVE_FORMAT_MULAW, VLC_FOURCC( 'm', 'l', 'a', 'w' ), "Mu-Law" },
308 { WAVE_FORMAT_IMA_ADPCM, VLC_FOURCC( 'm', 's', 0x00,0x11), "Ima-ADPCM" },
309 { WAVE_FORMAT_G726, VLC_FOURCC( 'g', '7', '2', '6' ), "G.726 ADPCM" },
310 { WAVE_FORMAT_MPEGLAYER3, VLC_FOURCC( 'm', 'p', 'g', 'a' ), "Mpeg Audio" },
311 { WAVE_FORMAT_MPEG, VLC_FOURCC( 'm', 'p', 'g', 'a' ), "Mpeg Audio" },
312 { WAVE_FORMAT_A52, VLC_FOURCC( 'a', '5', '2', ' ' ), "A/52" },
313 { WAVE_FORMAT_WMA1, VLC_FOURCC( 'w', 'm', 'a', '1' ), "Window Media Audio v1" },
314 { WAVE_FORMAT_WMA2, VLC_FOURCC( 'w', 'm', 'a', '2' ), "Window Media Audio v2" },
315 { WAVE_FORMAT_WMA2, VLC_FOURCC( 'w', 'm', 'a', ' ' ), "Window Media Audio v2" },
316 { WAVE_FORMAT_WMAP, VLC_FOURCC( 'w', 'm', 'a', 'p' ), "Window Media Audio 9 Professional" },
317 { WAVE_FORMAT_WMAL, VLC_FOURCC( 'w', 'm', 'a', 'l' ), "Window Media Audio 9 Lossless" },
318 { WAVE_FORMAT_WMAS, VLC_FOURCC( 'w', 'm', 'a', 's' ), "Window Media Audio 9 Speech" },
319 { WAVE_FORMAT_DK3, VLC_FOURCC( 'm', 's', 0x00,0x61), "Duck DK3" },
320 { WAVE_FORMAT_DK4, VLC_FOURCC( 'm', 's', 0x00,0x62), "Duck DK4" },
321 { WAVE_FORMAT_DTS, VLC_FOURCC( 'd', 't', 's', ' ' ), "DTS Coherent Acoustics" },
322 { WAVE_FORMAT_DTS_MS, VLC_FOURCC( 'd', 't', 's', ' ' ), "DTS Coherent Acoustics" },
323 { WAVE_FORMAT_DIVIO_AAC, VLC_FOURCC( 'm', 'p', '4', 'a' ), "MPEG-4 Audio (Divio)" },
324 { WAVE_FORMAT_AAC, VLC_FOURCC( 'm', 'p', '4', 'a' ), "MPEG-4 Audio" },
325 { WAVE_FORMAT_FFMPEG_AAC, VLC_FOURCC( 'm', 'p', '4', 'a' ), "MPEG-4 Audio" },
326 { WAVE_FORMAT_VORB_1, VLC_FOURCC( 'v', 'o', 'r', '1' ), "Vorbis 1 Audio" },
327 { WAVE_FORMAT_VORB_1PLUS, VLC_FOURCC( 'v', 'o', '1', '+' ), "Vorbis 1+ Audio" },
328 { WAVE_FORMAT_VORB_2, VLC_FOURCC( 'v', 'o', 'r', '2' ), "Vorbis 2 Audio" },
329 { WAVE_FORMAT_VORB_2PLUS, VLC_FOURCC( 'v', 'o', '2', '+' ), "Vorbis 2+ Audio" },
330 { WAVE_FORMAT_VORB_3, VLC_FOURCC( 'v', 'o', 'r', '3' ), "Vorbis 3 Audio" },
331 { WAVE_FORMAT_VORB_3PLUS, VLC_FOURCC( 'v', 'o', '3', '+' ), "Vorbis 3+ Audio" },
332 { WAVE_FORMAT_SPEEX, VLC_FOURCC( 's', 'p', 'x', ' ' ), "Speex Audio" },
333 { WAVE_FORMAT_UNKNOWN, VLC_FOURCC( 'u', 'n', 'd', 'f' ), "Unknown" }
336 static inline void wf_tag_to_fourcc( uint16_t i_tag, vlc_fourcc_t *fcc,
337 const char **ppsz_name )
340 for( i = 0; wave_format_tag_to_fourcc[i].i_tag != 0; i++ )
342 if( wave_format_tag_to_fourcc[i].i_tag == i_tag ) break;
344 if( fcc ) *fcc = wave_format_tag_to_fourcc[i].i_fourcc;
345 if( ppsz_name ) *ppsz_name = wave_format_tag_to_fourcc[i].psz_name;
348 static inline void fourcc_to_wf_tag( vlc_fourcc_t fcc, uint16_t *pi_tag )
351 for( i = 0; wave_format_tag_to_fourcc[i].i_tag != 0; i++ )
353 if( wave_format_tag_to_fourcc[i].i_fourcc == fcc ) break;
355 if( pi_tag ) *pi_tag = wave_format_tag_to_fourcc[i].i_tag;
358 /* If wFormatTag is WAVEFORMATEXTENSIBLE, we must look at the SubFormat tag
359 * to determine the actual format. Microsoft has stopped giving out wFormatTag
360 * assignments in lieu of letting 3rd parties generate their own GUIDs
365 vlc_fourcc_t i_fourcc;
366 const char *psz_name;
368 sub_format_tag_to_fourcc[] =
370 { _KSDATAFORMAT_SUBTYPE_PCM_, VLC_FOURCC( 'p', 'c', 'm', ' ' ), "PCM" },
371 { _KSDATAFORMAT_SUBTYPE_UNKNOWN_, VLC_FOURCC( 'u', 'n', 'd', 'f' ), "Unknown" }
374 /* compares two GUIDs, returns 1 if identical, 0 otherwise */
375 static inline int guidcmp( const GUID *s1, const GUID *s2 )
377 return( s1->Data1 == s2->Data1 && s1->Data2 == s2->Data2 &&
378 s1->Data3 == s2->Data3 && !memcmp( s1->Data4, s2->Data4, 8 ) );
381 static inline void sf_tag_to_fourcc( GUID *guid_tag,
382 vlc_fourcc_t *fcc, const char **ppsz_name )
386 for( i = 0; !guidcmp( &sub_format_tag_to_fourcc[i].guid_tag,
387 &KSDATAFORMAT_SUBTYPE_UNKNOWN ); i++ )
389 if( guidcmp( &sub_format_tag_to_fourcc[i].guid_tag, guid_tag ) ) break;
391 if( fcc ) *fcc = sub_format_tag_to_fourcc[i].i_fourcc;
392 if( ppsz_name ) *ppsz_name = sub_format_tag_to_fourcc[i].psz_name;
396 * Structure to hold information concerning subtitles.
397 * Used between demuxers and decoders of subtitles.
399 typedef struct es_sys_t
401 char *psz_header; /* for 'ssa ' and 'subt' */
404 unsigned int i_orig_height;
405 unsigned int i_orig_width;
406 unsigned int i_origin_x;
407 unsigned int i_origin_y;
408 unsigned int i_scale_h;
409 unsigned int i_scale_v;
410 unsigned int i_alpha;
414 unsigned int i_align;
415 mtime_t i_time_offset;
416 vlc_bool_t b_forced_subs;
417 unsigned int palette[16];
418 unsigned int colors[4];
422 #endif /* "codecs.h" */