MJPEG decoder. More...

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

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)

int	ff_mjpeg_find_marker (const uint8_t *buf_ptr, const uint8_t buf_end)

int	ff_mjpeg_unescape_sos (MJpegDecodeContext *s)

static int	ff_mjpeg_should_restart (MJpegDecodeContext *s)

static int	ff_mjpeg_handle_restart (MJpegDecodeContext s, int restart)

Detailed Description

MJPEG decoder.

Definition in file mjpegdec.h.

Macro Definition Documentation

◆ MAX_COMPONENTS

#define MAX_COMPONENTS 4

Definition at line 47 of file mjpegdec.h.

Referenced by ff_jpegls_decode_lse(), ff_jpegls_decode_picture(), ff_mjpeg_decode_end(), ff_mjpeg_decode_sof(), ff_mjpeg_decode_sos(), mjpeg_decode_scan(), and mxpeg_check_dimensions().

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 124 of file mjpegdec.c.

Referenced by mxpeg_decode_init().

◆ ff_mjpeg_decode_end()

int ff_mjpeg_decode_end ( AVCodecContext * avctx )

Definition at line 2900 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 2890 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 )