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)
 finds 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.


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().


Function Documentation

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

finds 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.


Variable Documentation

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.


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