1 /*****************************************************************************
2 * libavi.h : LibAVI library
3 ******************************************************************************
4 * Copyright (C) 2001-2003 VLC authors and VideoLAN
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU Lesser General Public License as published by
10 * the Free Software Foundation; either version 2.1 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
23 /* flags for use in <dwFlags> in AVIFileHdr */
24 #define AVIF_HASINDEX 0x00000010 /* Index at end of file? */
25 #define AVIF_MUSTUSEINDEX 0x00000020
26 #define AVIF_ISINTERLEAVED 0x00000100
27 #define AVIF_TRUSTCKTYPE 0x00000800 /* Use CKType to find key frames? */
28 #define AVIF_WASCAPTUREFILE 0x00010000
29 #define AVIF_COPYRIGHTED 0x00020000
32 #define AVIIF_LIST 0x00000001L /* chunk is a 'LIST' */
33 #define AVIIF_KEYFRAME 0x00000010L /* this frame is a key frame.*/
34 #define AVIIF_NOTIME 0x00000100L /* this frame doesn't take any time */
35 #define AVIIF_COMPUSE 0x0FFF0000L /* these bits are for compressor use */
37 #define AVIIF_FIXKEYFRAME 0x00001000L /* invented; used to say that */
38 /* the keyframe flag isn't a true flag */
39 /* but have to be verified */
41 #define AVI_CHUNK_COMMON \
42 vlc_fourcc_t i_chunk_fourcc; \
43 uint64_t i_chunk_size; \
44 uint64_t i_chunk_pos; \
45 union avi_chunk_u *p_next; \
46 union avi_chunk_u *p_father; \
47 union avi_chunk_u *p_first; \
48 union avi_chunk_u *p_last;
50 #define AVI_CHUNK( p_chk ) (avi_chunk_t*)(p_chk)
52 typedef struct idx1_entry_s
54 vlc_fourcc_t i_fourcc
;
61 typedef struct avi_chunk_common_s
66 typedef struct avi_chunk_list_s
72 typedef struct avi_chunk_idx1_s
75 unsigned int i_entry_count
;
76 unsigned int i_entry_max
;
81 typedef struct avi_chunk_avih_s
84 uint32_t i_microsecperframe
;
85 uint32_t i_maxbytespersec
;
86 uint32_t i_reserved1
; /* dwPaddingGranularity; pad to multiples of this
89 uint32_t i_totalframes
;
90 uint32_t i_initialframes
;
92 uint32_t i_suggestedbuffersize
;
101 typedef struct avi_chunk_strh_s
107 uint32_t i_reserved1
; /* wPriority wLanguage */
108 uint32_t i_initialframes
;
112 uint32_t i_length
; /* In units above... */
113 uint32_t i_suggestedbuffersize
;
115 uint32_t i_samplesize
;
118 typedef struct avi_chunk_strf_auds_s
123 } avi_chunk_strf_auds_t
;
125 typedef struct avi_chunk_strf_vids_s
129 VLC_BITMAPINFOHEADER
*p_bih
;
130 } avi_chunk_strf_vids_t
;
132 typedef union avi_chunk_strf_u
134 avi_chunk_strf_auds_t auds
;
135 avi_chunk_strf_vids_t vids
;
143 typedef struct avi_chunk_strd_s
149 typedef struct avi_chunk_vprp_s
152 uint32_t i_video_format_token
;
153 uint32_t i_video_standard
;
154 uint32_t i_vertical_refresh
;
155 uint32_t i_h_total_in_t
;
156 uint32_t i_v_total_in_lines
;
157 uint32_t i_frame_aspect_ratio
;
158 uint32_t i_frame_width_in_pixels
;
159 uint32_t i_frame_height_in_pixels
;
160 uint32_t i_nb_fields_per_frame
;
163 uint32_t i_compressed_bm_height
;
164 uint32_t i_compressed_bm_width
;
165 uint32_t i_valid_bm_height
;
166 uint32_t i_valid_bm_width
;
167 uint32_t i_valid_bm_x_offset
;
168 uint32_t i_valid_bm_y_offset
;
169 uint32_t i_video_x_offset_in_t
;
170 uint32_t i_video_y_valid_start_line
;
175 typedef struct avi_chunk_dmlh_s
178 uint32_t dwTotalFrames
;
181 #define AVI_ZEROSIZED_CHUNK 0xFF
182 #define AVI_ZERO_FOURCC 0xFE
184 #define AVI_INDEX_OF_INDEXES 0x00
185 #define AVI_INDEX_OF_CHUNKS 0x01
186 #define AVI_INDEX_IS_DATA 0x80
188 #define AVI_INDEX_2FIELD 0x01
199 uint32_t i_offsetfield2
;
200 } indx_field_entry_t
;
207 } indx_super_entry_t
;
209 typedef struct avi_chunk_indx_s
212 int16_t i_longsperentry
;
213 int8_t i_indexsubtype
;
215 uint32_t i_entriesinuse
;
218 int64_t i_baseoffset
;
222 indx_std_entry_t
*std
;
223 indx_field_entry_t
*field
;
224 indx_super_entry_t
*super
;
228 typedef struct avi_chunk_STRING_s
233 } avi_chunk_STRING_t
;
235 typedef union avi_chunk_u
237 avi_chunk_common_t common
;
238 avi_chunk_list_t list
;
239 avi_chunk_idx1_t idx1
;
240 avi_chunk_avih_t avih
;
241 avi_chunk_strh_t strh
;
242 avi_chunk_strf_t strf
;
243 avi_chunk_strd_t strd
;
244 avi_chunk_vprp_t vprp
;
245 avi_chunk_indx_t indx
;
246 avi_chunk_STRING_t strz
;
249 /****************************************************************************
250 * Stream(input) access functions
251 ****************************************************************************/
252 int AVI_ChunkRead( stream_t
*,
254 avi_chunk_t
*p_father
);
255 void AVI_ChunkClean( stream_t
*, avi_chunk_t
* );
257 int AVI_ChunkCount_( avi_chunk_t
*, vlc_fourcc_t
, bool );
258 void *AVI_ChunkFind_ ( avi_chunk_t
*, vlc_fourcc_t
, int, bool );
260 int AVI_ChunkReadRoot( stream_t
*, avi_chunk_t
*p_root
);
261 void AVI_ChunkFreeRoot( stream_t
*, avi_chunk_t
*p_chk
);
262 int AVI_ChunkFetchIndexes( stream_t
*, avi_chunk_t
*p_riff
);
264 #define AVI_ChunkCount( p_chk, i_fourcc, b_list ) \
265 AVI_ChunkCount_( AVI_CHUNK(p_chk), i_fourcc, b_list )
266 #define AVI_ChunkFind( p_chk, i_fourcc, i_number, b_list ) \
267 AVI_ChunkFind_( AVI_CHUNK(p_chk), i_fourcc, i_number, b_list )
269 /* *** avi stuff *** */
271 #define AVIFOURCC_RIFF VLC_FOURCC('R','I','F','F')
272 #define AVIFOURCC_ON2 VLC_FOURCC('O','N','2',' ')
273 #define AVIFOURCC_LIST VLC_FOURCC('L','I','S','T')
274 #define AVIFOURCC_JUNK VLC_FOURCC('J','U','N','K')
275 #define AVIFOURCC_AVI VLC_FOURCC('A','V','I',' ')
276 #define AVIFOURCC_AVIX VLC_FOURCC('A','V','I','X')
277 #define AVIFOURCC_ON2f VLC_FOURCC('O','N','2','f')
278 #define AVIFOURCC_WAVE VLC_FOURCC('W','A','V','E')
279 #define AVIFOURCC_INFO VLC_FOURCC('I','N','F','O')
281 #define AVIFOURCC_avih VLC_FOURCC('a','v','i','h')
282 #define AVIFOURCC_ON2h VLC_FOURCC('O','N','2','h')
283 #define AVIFOURCC_hdrl VLC_FOURCC('h','d','r','l')
284 #define AVIFOURCC_movi VLC_FOURCC('m','o','v','i')
285 #define AVIFOURCC_idx1 VLC_FOURCC('i','d','x','1')
287 #define AVIFOURCC_strl VLC_FOURCC('s','t','r','l')
288 #define AVIFOURCC_strh VLC_FOURCC('s','t','r','h')
289 #define AVIFOURCC_strf VLC_FOURCC('s','t','r','f')
290 #define AVIFOURCC_strd VLC_FOURCC('s','t','r','d')
291 #define AVIFOURCC_strn VLC_FOURCC('s','t','r','n')
292 #define AVIFOURCC_indx VLC_FOURCC('i','n','d','x')
293 #define AVIFOURCC_vprp VLC_FOURCC('v','p','r','p')
294 #define AVIFOURCC_dmlh VLC_FOURCC('d','m','l','h')
296 #define AVIFOURCC_rec VLC_FOURCC('r','e','c',' ')
297 #define AVIFOURCC_auds VLC_FOURCC('a','u','d','s')
298 #define AVIFOURCC_vids VLC_FOURCC('v','i','d','s')
299 #define AVIFOURCC_txts VLC_FOURCC('t','x','t','s')
300 #define AVIFOURCC_mids VLC_FOURCC('m','i','d','s')
301 #define AVIFOURCC_iavs VLC_FOURCC('i','a','v','s')
302 #define AVIFOURCC_ivas VLC_FOURCC('i','v','a','s')
304 #define AVIFOURCC_IARL VLC_FOURCC('I','A','R','L')
305 #define AVIFOURCC_IART VLC_FOURCC('I','A','R','T')
306 #define AVIFOURCC_ICMS VLC_FOURCC('I','C','M','S')
307 #define AVIFOURCC_ICMT VLC_FOURCC('I','C','M','T')
308 #define AVIFOURCC_ICOP VLC_FOURCC('I','C','O','P')
309 #define AVIFOURCC_ICRD VLC_FOURCC('I','C','R','D')
310 #define AVIFOURCC_ICRP VLC_FOURCC('I','C','R','P')
311 #define AVIFOURCC_IDIM VLC_FOURCC('I','D','I','M')
312 #define AVIFOURCC_IDPI VLC_FOURCC('I','D','P','I')
313 #define AVIFOURCC_IENG VLC_FOURCC('I','E','N','G')
314 #define AVIFOURCC_IGNR VLC_FOURCC('I','G','N','R')
315 #define AVIFOURCC_ISGN VLC_FOURCC('I','S','G','N')
316 #define AVIFOURCC_IKEY VLC_FOURCC('I','K','E','Y')
317 #define AVIFOURCC_ILGT VLC_FOURCC('I','L','G','T')
318 #define AVIFOURCC_IMED VLC_FOURCC('I','M','E','D')
319 #define AVIFOURCC_INAM VLC_FOURCC('I','N','A','M')
320 #define AVIFOURCC_IPLT VLC_FOURCC('I','P','L','T')
321 #define AVIFOURCC_IPRD VLC_FOURCC('I','P','R','D')
322 #define AVIFOURCC_ISBJ VLC_FOURCC('I','S','B','J')
323 #define AVIFOURCC_ISFT VLC_FOURCC('I','S','F','T')
324 #define AVIFOURCC_ISHP VLC_FOURCC('I','S','H','P')
325 #define AVIFOURCC_ISRC VLC_FOURCC('I','S','R','C')
326 #define AVIFOURCC_ISRF VLC_FOURCC('I','S','R','F')
327 #define AVIFOURCC_ITCH VLC_FOURCC('I','T','C','H')
328 #define AVIFOURCC_ISMP VLC_FOURCC('I','S','M','P')
329 #define AVIFOURCC_IDIT VLC_FOURCC('I','D','I','T')
330 #define AVIFOURCC_ILNG VLC_FOURCC('I','L','N','G')
331 #define AVIFOURCC_IRTD VLC_FOURCC('I','R','T','D')
332 #define AVIFOURCC_IWEB VLC_FOURCC('I','W','E','B')
333 #define AVIFOURCC_IPRT VLC_FOURCC('I','P','R','T')
334 #define AVIFOURCC_IWRI VLC_FOURCC('I','W','R','I')
335 #define AVIFOURCC_IPRO VLC_FOURCC('I','P','R','O')
336 #define AVIFOURCC_ICNM VLC_FOURCC('I','C','N','M')
337 #define AVIFOURCC_IPDS VLC_FOURCC('I','P','D','S')
338 #define AVIFOURCC_IEDT VLC_FOURCC('I','E','D','T')
339 #define AVIFOURCC_ICDS VLC_FOURCC('I','C','D','S')
340 #define AVIFOURCC_IMUS VLC_FOURCC('I','M','U','S')
341 #define AVIFOURCC_ISTD VLC_FOURCC('I','S','T','D')
342 #define AVIFOURCC_IDST VLC_FOURCC('I','D','S','T')
343 #define AVIFOURCC_ICNT VLC_FOURCC('I','C','N','T')
344 #define AVIFOURCC_ISTR VLC_FOURCC('I','S','T','R')
345 #define AVIFOURCC_IFRM VLC_FOURCC('I','F','R','M')
347 #define AVIFOURCC_IAS1 VLC_FOURCC('I','A','S','1')
348 #define AVIFOURCC_IAS2 VLC_FOURCC('I','A','S','2')
349 #define AVIFOURCC_IAS3 VLC_FOURCC('I','A','S','3')
350 #define AVIFOURCC_IAS4 VLC_FOURCC('I','A','S','4')
351 #define AVIFOURCC_IAS5 VLC_FOURCC('I','A','S','5')
352 #define AVIFOURCC_IAS6 VLC_FOURCC('I','A','S','6')
353 #define AVIFOURCC_IAS7 VLC_FOURCC('I','A','S','7')
354 #define AVIFOURCC_IAS8 VLC_FOURCC('I','A','S','8')
355 #define AVIFOURCC_IAS9 VLC_FOURCC('I','A','S','9')
357 #define AVITWOCC_wb VLC_TWOCC('w','b')
358 #define AVITWOCC_db VLC_TWOCC('d','b')
359 #define AVITWOCC_dc VLC_TWOCC('d','c')
360 #define AVITWOCC_pc VLC_TWOCC('p','c')
361 #define AVITWOCC_AC VLC_TWOCC('A','C')
362 #define AVITWOCC_tx VLC_TWOCC('t','x')
363 #define AVITWOCC_sb VLC_TWOCC('s','b')
365 /* *** codex stuff *** */
368 #define FOURCC_dvsd VLC_FOURCC('d','v','s','d')
369 #define FOURCC_dvhd VLC_FOURCC('d','v','h','d')
370 #define FOURCC_dvsl VLC_FOURCC('d','v','s','l')
371 #define FOURCC_dv25 VLC_FOURCC('d','v','2','5')
372 #define FOURCC_dv50 VLC_FOURCC('d','v','5','0')