libavcodec/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
Defines
#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.
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.

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Define Documentation

#define LATM_HEADER   0x56e000

Definition at line 29 of file latm_parser.c.

Referenced by latm_find_frame_end().

#define LATM_MASK   0xFFE000

Definition at line 30 of file latm_parser.c.

Referenced by latm_find_frame_end().

#define LATM_SIZE_MASK   0x001FFF

Definition at line 31 of file latm_parser.c.

Referenced by latm_find_frame_end().

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Function Documentation

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().

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 84 of file latm_parser.c.

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Variable Documentation

AVCodecParser ff_aac_latm_parser

Initial value:

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

Definition at line 108 of file latm_parser.c.