FFmpeg
aac_ac3_parser.h
Go to the documentation of this file.
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 "avcodec.h"
28 #include "parser.h"
29 
30 typedef enum {
39 
40 typedef struct AACAC3ParseContext {
44  int (*sync)(uint64_t state, struct AACAC3ParseContext *hdr_info,
45  int *need_next_header, int *new_frame_start);
46 
47  int channels;
49  int bit_rate;
50  int samples;
51  uint64_t channel_layout;
53 
55  uint64_t state;
56 
61 
63  AVCodecContext *avctx,
64  const uint8_t **poutbuf, int *poutbuf_size,
65  const uint8_t *buf, int buf_size);
66 
67 #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:28
AACAC3ParseContext::sync
int(* sync)(uint64_t state, struct AACAC3ParseContext *hdr_info, int *need_next_header, int *new_frame_start)
Definition: aac_ac3_parser.h:44
ParseContext
Definition: parser.h:28
AACAC3ParseContext::header_size
int header_size
Definition: aac_ac3_parser.h:43
AACAC3ParseContext::codec_id
enum AVCodecID codec_id
Definition: aac_ac3_parser.h:59
AACAC3ParseContext::need_next_header
int need_next_header
Definition: aac_ac3_parser.h:57
s1
#define s1
Definition: regdef.h:38
AACAC3ParseContext::remaining_size
int remaining_size
Definition: aac_ac3_parser.h:54
AAC_AC3_PARSE_ERROR_SYNC
@ AAC_AC3_PARSE_ERROR_SYNC
Definition: aac_ac3_parser.h:31
AAC_AC3_PARSE_ERROR_BSID
@ AAC_AC3_PARSE_ERROR_BSID
Definition: aac_ac3_parser.h:32
AACAC3ParseContext::sample_rate
int sample_rate
Definition: aac_ac3_parser.h:48
AACAC3ParseContext
Definition: aac_ac3_parser.h:40
AACAC3ParseError
AACAC3ParseError
Definition: aac_ac3_parser.h:30
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:46
AAC_AC3_PARSE_ERROR_SAMPLE_RATE
@ AAC_AC3_PARSE_ERROR_SAMPLE_RATE
Definition: aac_ac3_parser.h:33
AACAC3ParseContext::frame_size
int frame_size
Definition: aac_ac3_parser.h:42
AACAC3ParseContext::service_type
int service_type
Definition: aac_ac3_parser.h:52
AACAC3ParseContext::frame_number
int frame_number
Definition: aac_ac3_parser.h:58
AACAC3ParseContext::channel_layout
uint64_t channel_layout
Definition: aac_ac3_parser.h:51
AACAC3ParseContext::state
uint64_t state
Definition: aac_ac3_parser.h:55
AAC_AC3_PARSE_ERROR_FRAME_SIZE
@ AAC_AC3_PARSE_ERROR_FRAME_SIZE
Definition: aac_ac3_parser.h:34
AACAC3ParseContext::channels
int channels
Definition: aac_ac3_parser.h:47
parser.h
AACAC3ParseContext::pc
ParseContext pc
Definition: aac_ac3_parser.h:41
AAC_AC3_PARSE_ERROR_FRAME_TYPE
@ AAC_AC3_PARSE_ERROR_FRAME_TYPE
Definition: aac_ac3_parser.h:35
avcodec.h
AVCodecParserContext
Definition: avcodec.h:2880
AVCodecContext
main external API structure.
Definition: avcodec.h:501
AAC_AC3_PARSE_ERROR_CHANNEL_CFG
@ AAC_AC3_PARSE_ERROR_CHANNEL_CFG
Definition: aac_ac3_parser.h:37
AACAC3ParseContext::samples
int samples
Definition: aac_ac3_parser.h:50
AAC_AC3_PARSE_ERROR_CRC
@ AAC_AC3_PARSE_ERROR_CRC
Definition: aac_ac3_parser.h:36
int
int
Definition: ffmpeg_filter.c:156
AACAC3ParseContext::bit_rate
int bit_rate
Definition: aac_ac3_parser.h:49