parser.c File Reference

Opus parser. More...

#include "libavutil/mem.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/bytestream.h"
#include "libavcodec/parser.h"
#include "libavcodec/parser_internal.h"
#include "opus.h"
#include "parse.h"

Go to the source code of this file.

Data Structures
struct	OpusParserContext

Functions
static const uint8_t *	parse_opus_ts_header (const uint8_t *start, int *payload_len, int buf_len)
static int	set_frame_duration (AVCodecParserContext *ctx, AVCodecContext *avctx, const uint8_t *buf, int buf_size)
static int	opus_find_frame_end (AVCodecParserContext *ctx, AVCodecContext *avctx, const uint8_t *buf, int buf_size, int *header_len)
	Find the end of the current frame in the bitstream.
static int	opus_parse (AVCodecParserContext *ctx, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)

Variables
const FFCodecParser	ff_opus_parser

Detailed Description

Opus parser.

Determines the duration for each packet.

Definition in file parser.c.

Function Documentation

parse_opus_ts_header()

static const uint8_t * parse_opus_ts_header ( const uint8_t * start, int * payload_len, int buf_len )

static

Definition at line 46 of file parser.c.

Referenced by opus_find_frame_end().

set_frame_duration()

static int set_frame_duration ( AVCodecParserContext * ctx, AVCodecContext * avctx, const uint8_t * buf, int buf_size )

static

Definition at line 84 of file parser.c.

Referenced by opus_find_frame_end(), and opus_parse().

opus_find_frame_end()

static int opus_find_frame_end ( AVCodecParserContext * ctx, AVCodecContext * avctx, const uint8_t * buf, int buf_size, int * header_len )

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 103 of file parser.c.

Referenced by opus_parse().

opus_parse()

static int opus_parse ( AVCodecParserContext * ctx, AVCodecContext * avctx, const uint8_t ** poutbuf, int * poutbuf_size, const uint8_t * buf, int buf_size )

static

Definition at line 172 of file parser.c.

Variable Documentation

ff_opus_parser

const FFCodecParser ff_opus_parser

Initial value:

= {
    PARSER_CODEC_LIST(AV_CODEC_ID_OPUS),
    .priv_data_size = sizeof(OpusParserContext),
    .parse          = opus_parse,
    .close          = ff_parse_close
}

Definition at line 219 of file parser.c.