jpeg2000_parser.c File Reference

#include "parser.h"

Go to the source code of this file.

Data Structures
struct	JPEG2000ParserContext

Enumerations
enum	frame_type { jp2_file = 1, j2k_cstream }

Functions
static void	reset_context (JPEG2000ParserContext *m)
static uint8_t	info_marker (uint16_t marker)
static int	find_frame_end (JPEG2000ParserContext *m, const uint8_t *buf, int buf_size)
	Find the end of the current frame in the bitstream. More...
static int	jpeg2000_parse (AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)

Variables
const AVCodecParser	ff_jpeg2000_parser

Detailed Description

JPEG2000 parser.

Definition in file jpeg2000_parser.c.

Enumeration Type Documentation

frame_type

enum frame_type

Enumerator
jp2_file
j2k_cstream

Definition at line 31 of file jpeg2000_parser.c.

Function Documentation

reset_context()

static void reset_context ( JPEG2000ParserContext *  m )

inlinestatic

Definition at line 49 of file jpeg2000_parser.c.

Referenced by find_frame_end().

info_marker()

static uint8_t info_marker ( uint16_t  marker )

static

Definition at line 66 of file jpeg2000_parser.c.

Referenced by find_frame_end().

find_frame_end()

static int find_frame_end ( JPEG2000ParserContext *  m, 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 93 of file jpeg2000_parser.c.

Referenced by jpeg2000_parse().

jpeg2000_parse()

static int jpeg2000_parse ( AVCodecParserContext *  s, AVCodecContext *  avctx, const uint8_t **  poutbuf, int *  poutbuf_size, const uint8_t *  buf, int  buf_size  )

static

Definition at line 188 of file jpeg2000_parser.c.

Variable Documentation

ff_jpeg2000_parser

const AVCodecParser ff_jpeg2000_parser

Initial value:

= {
    .codec_ids      = { AV_CODEC_ID_JPEG2000 },
    .priv_data_size = sizeof(JPEG2000ParserContext),
    .parser_parse   = jpeg2000_parse,
    .parser_close   = ff_parse_close,
}

Definition at line 214 of file jpeg2000_parser.c.