latm_parser.c File Reference

AAC LATM parser. More...

#include <stdint.h>
#include "parser.h"

Go to the source code of this file.

Data Structures
struct	LATMParseContext

Macros
#define	LATM_HEADER   0x56e000
#define	LATM_MASK   0xFFE000
#define	LATM_SIZE_MASK   0x001FFF

Functions
static int	latm_find_frame_end (AVCodecParserContext *s1, const uint8_t *buf, int buf_size)
	Find the end of the current frame in the bitstream. More...
static int	latm_parse (AVCodecParserContext *s1, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)

Variables
AVCodecParser	ff_aac_latm_parser

Detailed Description

AAC LATM parser.

Definition in file latm_parser.c.

Macro Definition Documentation

LATM_HEADER

#define LATM_HEADER   0x56e000

Definition at line 29 of file latm_parser.c.

Referenced by latm_find_frame_end().

LATM_MASK

#define LATM_MASK   0xFFE000

Definition at line 30 of file latm_parser.c.

Referenced by latm_find_frame_end().

LATM_SIZE_MASK

#define LATM_SIZE_MASK   0x001FFF

Definition at line 31 of file latm_parser.c.

Referenced by latm_find_frame_end().

Function Documentation

latm_find_frame_end()

static int latm_find_frame_end ( AVCodecParserContext *  s1, const uint8_t *  buf, int  buf_size  )

static

Find the end of the current frame in the bitstream.

Returns

the position of the first byte of the next frame, or -1

Definition at line 42 of file latm_parser.c.

Referenced by latm_parse().

latm_parse()

static int latm_parse ( AVCodecParserContext *  s1, AVCodecContext *  avctx, const uint8_t **  poutbuf, int *  poutbuf_size, const uint8_t *  buf, int  buf_size  )

static

Definition at line 83 of file latm_parser.c.

Variable Documentation

ff_aac_latm_parser

AVCodecParser ff_aac_latm_parser

Initial value:

= {
    .codec_ids      = { AV_CODEC_ID_AAC_LATM },
    .priv_data_size = sizeof(LATMParseContext),
    .parser_parse   = latm_parse,
    .parser_close   = ff_parse_close
}

Definition at line 107 of file latm_parser.c.