dirac_parser.c File Reference

Dirac Parser. More...

#include "libavutil/intreadwrite.h"
#include "parser.h"

Go to the source code of this file.

Data Structures

struct  DiracParseContext
 Find the end of the current frame in the bitstream. More...
struct  DiracParseUnit

Macros

#define DIRAC_PARSE_INFO_PREFIX   0x42424344

Typedefs

typedef struct DiracParseContext DiracParseContext
 Find the end of the current frame in the bitstream.
typedef struct DiracParseUnit DiracParseUnit

Functions

static int find_frame_end (DiracParseContext *pc, const uint8_t *buf, int buf_size)
static int unpack_parse_unit (DiracParseUnit *pu, DiracParseContext *pc, int offset)
static int dirac_combine_frame (AVCodecParserContext *s, AVCodecContext *avctx, int next, const uint8_t **buf, int *buf_size)
static int dirac_parse (AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)
static void dirac_parse_close (AVCodecParserContext *s)

Variables

AVCodecParser ff_dirac_parser

Detailed Description

Dirac Parser.

Author
Marco Gerards marco.nosp@m.@gnu.nosp@m..org

Definition in file dirac_parser.c.

Macro Definition Documentation

#define DIRAC_PARSE_INFO_PREFIX   0x42424344

Definition at line 33 of file dirac_parser.c.

Referenced by find_frame_end().

Typedef Documentation

Find the end of the current frame in the bitstream.

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

Function Documentation

static int dirac_combine_frame ( AVCodecParserContext s,
AVCodecContext avctx,
int  next,
const uint8_t **  buf,
int *  buf_size 
)
static

Definition at line 115 of file dirac_parser.c.

Referenced by dirac_parse().

static int dirac_parse ( AVCodecParserContext s,
AVCodecContext avctx,
const uint8_t **  poutbuf,
int *  poutbuf_size,
const uint8_t *  buf,
int  buf_size 
)
static

Definition at line 210 of file dirac_parser.c.

Referenced by libdirac_decode_frame().

static void dirac_parse_close ( AVCodecParserContext s)
static

Definition at line 242 of file dirac_parser.c.

static int find_frame_end ( DiracParseContext pc,
const uint8_t *  buf,
int  buf_size 
)
static

Definition at line 52 of file dirac_parser.c.

Referenced by dirac_parse().

static int unpack_parse_unit ( DiracParseUnit pu,
DiracParseContext pc,
int  offset 
)
static

Definition at line 97 of file dirac_parser.c.

Referenced by dirac_combine_frame().

Variable Documentation

AVCodecParser ff_dirac_parser
Initial value:
{
.codec_ids = { CODEC_ID_DIRAC },
.priv_data_size = sizeof(DiracParseContext),
.parser_parse = dirac_parse,
.parser_close = dirac_parse_close,
}

Definition at line 250 of file dirac_parser.c.