d5b78f7bc4a3d55b31f6a3ec8e0bc398414df9ab
[libav.git] / libavcodec / aac_ac3_parser.h
1 /*
2 * Common AAC and AC3 parser prototypes
3 * Copyright (c) 2003 Fabrice Bellard.
4 * Copyright (c) 2003 Michael Niedermayer.
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg 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 * FFmpeg 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 FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #ifndef FFMPEG_AAC_AC3_PARSER_H
24 #define FFMPEG_AAC_AC3_PARSER_H
25
26 #include <stdint.h>
27 #include "avcodec.h"
28
29 typedef struct AACAC3ParseContext {
30 int frame_size;
31 int header_size;
32 int (*sync)(uint64_t state, struct AACAC3ParseContext *hdr_info,
33 int *need_next_header, int *new_frame_start);
34
35 int channels;
36 int sample_rate;
37 int bit_rate;
38 int samples;
39
40 ParseContext pc;
41 int remaining_size;
42 uint64_t state;
43
44 int need_next_header;
45 int new_frame_start;
46 } AACAC3ParseContext;
47
48 int ff_aac_ac3_parse(AVCodecParserContext *s1,
49 AVCodecContext *avctx,
50 const uint8_t **poutbuf, int *poutbuf_size,
51 const uint8_t *buf, int buf_size);
52
53 #endif /* FFMPEG_AAC_AC3_PARSER_H */