1 /*****************************************************************************
2 * libavi.h : LibAVI library
3 ******************************************************************************
4 * Copyright (C) 2001-2003 the VideoLAN team
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 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 General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, 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;
182 #define AVI_INDEX_OF_INDEXES 0x00
183 #define AVI_INDEX_OF_CHUNKS 0x01
184 #define AVI_INDEX_IS_DATA 0x80
186 #define AVI_INDEX_2FIELD 0x01
197 uint32_t i_offsetfield2;
198 } indx_field_entry_t;
205 } indx_super_entry_t;
207 typedef struct avi_chunk_indx_s
210 int16_t i_longsperentry;
211 int8_t i_indexsubtype;
213 uint32_t i_entriesinuse;
216 int64_t i_baseoffset;
220 indx_std_entry_t *std;
221 indx_field_entry_t *field;
222 indx_super_entry_t *super;
226 typedef struct avi_chunk_STRING_s
231 } avi_chunk_STRING_t;
233 typedef union avi_chunk_u
235 avi_chunk_common_t common;
236 avi_chunk_list_t list;
237 avi_chunk_idx1_t idx1;
238 avi_chunk_avih_t avih;
239 avi_chunk_strh_t strh;
240 avi_chunk_strf_t strf;
241 avi_chunk_strd_t strd;
242 avi_chunk_vprp_t vprp;
243 avi_chunk_indx_t indx;
244 avi_chunk_STRING_t strz;
247 /****************************************************************************
248 * Stream(input) access functions
249 ****************************************************************************/
250 int AVI_ChunkRead( stream_t *,
252 avi_chunk_t *p_father );
253 void AVI_ChunkFree( stream_t *, avi_chunk_t * );
255 int _AVI_ChunkCount( avi_chunk_t *, vlc_fourcc_t );
256 void *_AVI_ChunkFind ( avi_chunk_t *, vlc_fourcc_t, int );
258 int AVI_ChunkReadRoot( stream_t *, avi_chunk_t *p_root );
259 void AVI_ChunkFreeRoot( stream_t *, avi_chunk_t *p_chk );
261 #define AVI_ChunkCount( p_chk, i_fourcc ) \
262 _AVI_ChunkCount( AVI_CHUNK(p_chk), i_fourcc )
263 #define AVI_ChunkFind( p_chk, i_fourcc, i_number ) \
264 _AVI_ChunkFind( AVI_CHUNK(p_chk), i_fourcc, i_number )
266 /* *** avi stuff *** */
268 #define AVIFOURCC_RIFF VLC_FOURCC('R','I','F','F')
269 #define AVIFOURCC_ON2 VLC_FOURCC('O','N','2',' ')
270 #define AVIFOURCC_LIST VLC_FOURCC('L','I','S','T')
271 #define AVIFOURCC_JUNK VLC_FOURCC('J','U','N','K')
272 #define AVIFOURCC_AVI VLC_FOURCC('A','V','I',' ')
273 #define AVIFOURCC_AVIX VLC_FOURCC('A','V','I','X')
274 #define AVIFOURCC_ON2f VLC_FOURCC('O','N','2','f')
275 #define AVIFOURCC_WAVE VLC_FOURCC('W','A','V','E')
276 #define AVIFOURCC_INFO VLC_FOURCC('I','N','F','O')
278 #define AVIFOURCC_avih VLC_FOURCC('a','v','i','h')
279 #define AVIFOURCC_ON2h VLC_FOURCC('O','N','2','h')
280 #define AVIFOURCC_hdrl VLC_FOURCC('h','d','r','l')
281 #define AVIFOURCC_movi VLC_FOURCC('m','o','v','i')
282 #define AVIFOURCC_idx1 VLC_FOURCC('i','d','x','1')
284 #define AVIFOURCC_strl VLC_FOURCC('s','t','r','l')
285 #define AVIFOURCC_strh VLC_FOURCC('s','t','r','h')
286 #define AVIFOURCC_strf VLC_FOURCC('s','t','r','f')
287 #define AVIFOURCC_strd VLC_FOURCC('s','t','r','d')
288 #define AVIFOURCC_strn VLC_FOURCC('s','t','r','n')
289 #define AVIFOURCC_indx VLC_FOURCC('i','n','d','x')
290 #define AVIFOURCC_vprp VLC_FOURCC('v','p','r','p')
291 #define AVIFOURCC_dmlh VLC_FOURCC('d','m','l','h')
293 #define AVIFOURCC_rec VLC_FOURCC('r','e','c',' ')
294 #define AVIFOURCC_auds VLC_FOURCC('a','u','d','s')
295 #define AVIFOURCC_vids VLC_FOURCC('v','i','d','s')
296 #define AVIFOURCC_txts VLC_FOURCC('t','x','t','s')
297 #define AVIFOURCC_mids VLC_FOURCC('m','i','d','s')
298 #define AVIFOURCC_iavs VLC_FOURCC('i','a','v','s')
299 #define AVIFOURCC_ivas VLC_FOURCC('i','v','a','s')
301 #define AVIFOURCC_IARL VLC_FOURCC('I','A','R','L')
302 #define AVIFOURCC_IART VLC_FOURCC('I','A','R','T')
303 #define AVIFOURCC_ICMS VLC_FOURCC('I','C','M','S')
304 #define AVIFOURCC_ICMT VLC_FOURCC('I','C','M','T')
305 #define AVIFOURCC_ICOP VLC_FOURCC('I','C','O','P')
306 #define AVIFOURCC_ICRD VLC_FOURCC('I','C','R','D')
307 #define AVIFOURCC_ICRP VLC_FOURCC('I','C','R','P')
308 #define AVIFOURCC_IDIM VLC_FOURCC('I','D','I','M')
309 #define AVIFOURCC_IDPI VLC_FOURCC('I','D','P','I')
310 #define AVIFOURCC_IENG VLC_FOURCC('I','E','N','G')
311 #define AVIFOURCC_IGNR VLC_FOURCC('I','G','N','R')
312 #define AVIFOURCC_ISGN VLC_FOURCC('I','S','G','N')
313 #define AVIFOURCC_IKEY VLC_FOURCC('I','K','E','Y')
314 #define AVIFOURCC_ILGT VLC_FOURCC('I','L','G','T')
315 #define AVIFOURCC_IMED VLC_FOURCC('I','M','E','D')
316 #define AVIFOURCC_INAM VLC_FOURCC('I','N','A','M')
317 #define AVIFOURCC_IPLT VLC_FOURCC('I','P','L','T')
318 #define AVIFOURCC_IPRD VLC_FOURCC('I','P','R','D')
319 #define AVIFOURCC_ISBJ VLC_FOURCC('I','S','B','J')
320 #define AVIFOURCC_ISFT VLC_FOURCC('I','S','F','T')
321 #define AVIFOURCC_ISHP VLC_FOURCC('I','S','H','P')
322 #define AVIFOURCC_ISRC VLC_FOURCC('I','S','R','C')
323 #define AVIFOURCC_ISRF VLC_FOURCC('I','S','R','F')
324 #define AVIFOURCC_ITCH VLC_FOURCC('I','T','C','H')
325 #define AVIFOURCC_ISMP VLC_FOURCC('I','S','M','P')
326 #define AVIFOURCC_IDIT VLC_FOURCC('I','D','I','T')
327 #define AVIFOURCC_ILNG VLC_FOURCC('I','L','N','G')
328 #define AVIFOURCC_IRTD VLC_FOURCC('I','R','T','D')
329 #define AVIFOURCC_IWEB VLC_FOURCC('I','W','E','B')
330 #define AVIFOURCC_IPRT VLC_FOURCC('I','P','R','T')
331 #define AVIFOURCC_IWRI VLC_FOURCC('I','W','R','I')
332 #define AVIFOURCC_IPRO VLC_FOURCC('I','P','R','O')
333 #define AVIFOURCC_ICNM VLC_FOURCC('I','C','N','M')
334 #define AVIFOURCC_IPDS VLC_FOURCC('I','P','D','S')
335 #define AVIFOURCC_IEDT VLC_FOURCC('I','E','D','T')
336 #define AVIFOURCC_ICDS VLC_FOURCC('I','C','D','S')
337 #define AVIFOURCC_IMUS VLC_FOURCC('I','M','U','S')
338 #define AVIFOURCC_ISTD VLC_FOURCC('I','S','T','D')
339 #define AVIFOURCC_IDST VLC_FOURCC('I','D','S','T')
340 #define AVIFOURCC_ICNT VLC_FOURCC('I','C','N','T')
341 #define AVIFOURCC_ISTR VLC_FOURCC('I','S','T','R')
342 #define AVIFOURCC_IFRM VLC_FOURCC('I','F','R','M')
345 #define AVITWOCC_wb VLC_TWOCC('w','b')
346 #define AVITWOCC_db VLC_TWOCC('d','b')
347 #define AVITWOCC_dc VLC_TWOCC('d','c')
348 #define AVITWOCC_pc VLC_TWOCC('p','c')
349 #define AVITWOCC_AC VLC_TWOCC('A','C')
350 #define AVITWOCC_tx VLC_TWOCC('t','x')
351 #define AVITWOCC_sb VLC_TWOCC('s','b')
353 /* *** codex stuff *** */
356 #define FOURCC_dvsd VLC_FOURCC('d','v','s','d')
357 #define FOURCC_dvhd VLC_FOURCC('d','v','h','d')
358 #define FOURCC_dvsl VLC_FOURCC('d','v','s','l')
359 #define FOURCC_dv25 VLC_FOURCC('d','v','2','5')
360 #define FOURCC_dv50 VLC_FOURCC('d','v','5','0')