mjpegdec.h File Reference

#include "libavutil/log.h"
#include "libavutil/mem_internal.h"
#include "libavutil/pixdesc.h"
#include "libavutil/stereo3d.h"
#include "avcodec.h"
#include "blockdsp.h"
#include "get_bits.h"
#include "hpeldsp.h"
#include "idctdsp.h"

Go to the source code of this file.

Data Structures
struct	ICCEntry
struct	MJpegDecodeContext

Macros
#define	MAX_COMPONENTS   4

Functions
int	ff_mjpeg_build_vlc (VLC *vlc, const uint8_t *bits_table, const uint8_t *val_table, int is_ac, void *logctx)
int	ff_mjpeg_decode_init (AVCodecContext *avctx)
int	ff_mjpeg_decode_end (AVCodecContext *avctx)
int	ff_mjpeg_decode_frame (AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *avpkt)
int	ff_mjpeg_decode_frame_from_buf (AVCodecContext *avctx, AVFrame *frame, int *got_frame, const AVPacket *avpkt, const uint8_t *buf, int buf_size)
int	ff_mjpeg_decode_dqt (MJpegDecodeContext *s)
int	ff_mjpeg_decode_dht (MJpegDecodeContext *s)
int	ff_mjpeg_decode_sof (MJpegDecodeContext *s)
int	ff_mjpeg_decode_sos (MJpegDecodeContext *s, const uint8_t *mb_bitmask, int mb_bitmask_size, const AVFrame *reference)
int	ff_mjpeg_find_marker (MJpegDecodeContext *s, const uint8_t **buf_ptr, const uint8_t *buf_end, const uint8_t **unescaped_buf_ptr, int *unescaped_buf_size)

Detailed Description

MJPEG decoder.

Definition in file mjpegdec.h.

Macro Definition Documentation

MAX_COMPONENTS

#define MAX_COMPONENTS   4

Definition at line 45 of file mjpegdec.h.

Function Documentation

ff_mjpeg_build_vlc()

int ff_mjpeg_build_vlc	(	VLC *	vlc,
		const uint8_t *	bits_table,
		const uint8_t *	val_table,
		int	is_ac,
		void *	logctx
	)

Definition at line 41 of file mjpegdec_common.c.

Referenced by ff_mjpeg_decode_dht(), init_default_huffman_tables(), and jpg_init().

ff_mjpeg_decode_init()

int ff_mjpeg_decode_init

(

AVCodecContext *

avctx

)

Definition at line 123 of file mjpegdec.c.

Referenced by mxpeg_decode_init().

ff_mjpeg_decode_end()

int ff_mjpeg_decode_end

(

AVCodecContext *

avctx

)

Definition at line 2935 of file mjpegdec.c.

Referenced by mxpeg_decode_end().

ff_mjpeg_decode_frame()

int ff_mjpeg_decode_frame	(	AVCodecContext *	avctx,
		AVFrame *	frame,
		int *	got_frame,
		AVPacket *	avpkt
	)

Definition at line 2925 of file mjpegdec.c.

ff_mjpeg_decode_frame_from_buf()

int ff_mjpeg_decode_frame_from_buf	(	AVCodecContext *	avctx,
		AVFrame *	frame,
		int *	got_frame,
		const AVPacket *	avpkt,
		const uint8_t *	buf,
		int	buf_size
	)

Definition at line 2370 of file mjpegdec.c.

Referenced by ff_mjpeg_decode_frame(), and sp5x_decode_frame().

ff_mjpeg_decode_dqt()

int ff_mjpeg_decode_dqt

(

MJpegDecodeContext *

s

)

Definition at line 197 of file mjpegdec.c.

Referenced by ff_mjpeg_decode_frame_from_buf(), mjpegb_decode_frame(), and mxpeg_decode_frame().

ff_mjpeg_decode_dht()

int ff_mjpeg_decode_dht

(

MJpegDecodeContext *

s

)

Definition at line 240 of file mjpegdec.c.

Referenced by ff_mjpeg_decode_frame_from_buf(), ff_mjpeg_decode_init(), mjpegb_decode_frame(), and mxpeg_decode_frame().

ff_mjpeg_decode_sof()

int ff_mjpeg_decode_sof

(

MJpegDecodeContext *

s

)

Definition at line 301 of file mjpegdec.c.

Referenced by ff_mjpeg_decode_frame_from_buf(), mjpegb_decode_frame(), and mxpeg_decode_frame().

ff_mjpeg_decode_sos()

int ff_mjpeg_decode_sos	(	MJpegDecodeContext *	s,
		const uint8_t *	mb_bitmask,
		int	mb_bitmask_size,
		const AVFrame *	reference
	)

Definition at line 1667 of file mjpegdec.c.

Referenced by ff_mjpeg_decode_frame_from_buf(), mjpegb_decode_frame(), and mxpeg_decode_frame().

ff_mjpeg_find_marker()

int ff_mjpeg_find_marker	(	MJpegDecodeContext *	s,
		const uint8_t **	buf_ptr,
		const uint8_t *	buf_end,
		const uint8_t **	unescaped_buf_ptr,
		int *	unescaped_buf_size
	)

Definition at line 2236 of file mjpegdec.c.

Referenced by ff_mjpeg_decode_frame_from_buf(), and mxpeg_decode_frame().