FFmpeg
aac_ac3_parser.h
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1 /*
2  * Common AAC and AC-3 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 AVCODEC_AAC_AC3_PARSER_H
24 #define AVCODEC_AAC_AC3_PARSER_H
25 
26 #include <stdint.h>
27 #include "libavutil/crc.h"
28 #include "avcodec.h"
29 #include "parser.h"
30 
31 typedef enum {
40 
41 typedef struct AACAC3ParseContext {
44  int (*sync)(uint64_t state, int *need_next_header, int *new_frame_start);
45 
46  const AVCRC *crc_ctx;
48  uint64_t state;
49 
53 
55  AVCodecContext *avctx,
56  const uint8_t **poutbuf, int *poutbuf_size,
57  const uint8_t *buf, int buf_size);
58 
59 #endif /* AVCODEC_AAC_AC3_PARSER_H */
ff_aac_ac3_parse
int ff_aac_ac3_parse(AVCodecParserContext *s1, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)
Definition: aac_ac3_parser.c:32
AVCRC
uint32_t AVCRC
Definition: crc.h:46
AACAC3ParseContext::sync
int(* sync)(uint64_t state, int *need_next_header, int *new_frame_start)
Definition: aac_ac3_parser.h:44
crc.h
ParseContext
Definition: parser.h:28
AACAC3ParseContext::header_size
int header_size
Definition: aac_ac3_parser.h:43
AACAC3ParseContext::need_next_header
int need_next_header
Definition: aac_ac3_parser.h:50
s1
#define s1
Definition: regdef.h:38
AACAC3ParseContext::remaining_size
int remaining_size
Definition: aac_ac3_parser.h:47
AAC_AC3_PARSE_ERROR_SYNC
@ AAC_AC3_PARSE_ERROR_SYNC
Definition: aac_ac3_parser.h:32
AAC_AC3_PARSE_ERROR_BSID
@ AAC_AC3_PARSE_ERROR_BSID
Definition: aac_ac3_parser.h:33
AACAC3ParseContext
Definition: aac_ac3_parser.h:41
AACAC3ParseError
AACAC3ParseError
Definition: aac_ac3_parser.h:31
AACAC3ParseContext::crc_ctx
const AVCRC * crc_ctx
Definition: aac_ac3_parser.h:46
AAC_AC3_PARSE_ERROR_SAMPLE_RATE
@ AAC_AC3_PARSE_ERROR_SAMPLE_RATE
Definition: aac_ac3_parser.h:34
AACAC3ParseContext::frame_number
int frame_number
Definition: aac_ac3_parser.h:51
AACAC3ParseContext::state
uint64_t state
Definition: aac_ac3_parser.h:48
AAC_AC3_PARSE_ERROR_FRAME_SIZE
@ AAC_AC3_PARSE_ERROR_FRAME_SIZE
Definition: aac_ac3_parser.h:35
parser.h
AACAC3ParseContext::pc
ParseContext pc
Definition: aac_ac3_parser.h:42
AAC_AC3_PARSE_ERROR_FRAME_TYPE
@ AAC_AC3_PARSE_ERROR_FRAME_TYPE
Definition: aac_ac3_parser.h:36
avcodec.h
AVCodecParserContext
Definition: avcodec.h:2862
AVCodecContext
main external API structure.
Definition: avcodec.h:440
AAC_AC3_PARSE_ERROR_CHANNEL_CFG
@ AAC_AC3_PARSE_ERROR_CHANNEL_CFG
Definition: aac_ac3_parser.h:38
AAC_AC3_PARSE_ERROR_CRC
@ AAC_AC3_PARSE_ERROR_CRC
Definition: aac_ac3_parser.h:37
int
int
Definition: ffmpeg_filter.c:156