parser.h
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1 /*
2  * AVCodecParser prototypes and definitions
3  * Copyright (c) 2003 Fabrice Bellard
4  * Copyright (c) 2003 Michael Niedermayer
5  *
6  * This file is part of Libav.
7  *
8  * Libav is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * Libav 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 GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with Libav; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #ifndef AVCODEC_PARSER_H
24 #define AVCODEC_PARSER_H
25 
26 #include "avcodec.h"
27 
28 typedef struct ParseContext{
29  uint8_t *buffer;
30  int index;
32  unsigned int buffer_size;
33  uint32_t state;
35  int overread;
37  uint64_t state64;
38 } ParseContext;
39 
40 struct MpegEncContext;
41 
42 typedef struct ParseContext1{
44 /* XXX/FIXME PC1 vs. PC */
45  /* MPEG-2-specific */
48  int width, height;
49 
50  /* XXX: suppress that, needed by MPEG-4 */
54 
55 #define END_NOT_FOUND (-100)
56 
57 int ff_combine_frame(ParseContext *pc, int next, const uint8_t **buf, int *buf_size);
58 int ff_mpeg4video_split(AVCodecContext *avctx, const uint8_t *buf,
59  int buf_size);
62 
68 void ff_fetch_timestamp(AVCodecParserContext *s, int off, int remove);
69 
70 #endif /* AVCODEC_PARSER_H */