jpeg2000_parser.c File Reference

JPEG2000 parser. More...

#include "parser.h"
#include "parser_internal.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.
static int	jpeg2000_parse (AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)

Variables
const FFCodecParser	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 32 of file jpeg2000_parser.c.

Function Documentation

reset_context()

static void reset_context ( JPEG2000ParserContext * m )

inlinestatic

Definition at line 50 of file jpeg2000_parser.c.

Referenced by find_frame_end().

info_marker()

static uint8_t info_marker ( uint16_t marker )

static

Definition at line 67 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 94 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 189 of file jpeg2000_parser.c.

Variable Documentation

ff_jpeg2000_parser

const FFCodecParser ff_jpeg2000_parser

Initial value:

= {
    PARSER_CODEC_LIST(AV_CODEC_ID_JPEG2000),
    .priv_data_size = sizeof(JPEG2000ParserContext),
    .parse          = jpeg2000_parse,
    .close          = ff_parse_close,
}

Definition at line 215 of file jpeg2000_parser.c.