mjpegenc.c File Reference

MJPEG encoder. More...

#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "jpegtables.h"
#include "mjpegenc_common.h"
#include "mpegvideo.h"
#include "mjpeg.h"
#include "mjpegenc.h"

Go to the source code of this file.

Macros
#define	V_MAX   2
#define	OFFSET(x)   offsetof(MpegEncContext, x)
#define	VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Functions
static av_cold void	init_uni_ac_vlc (const uint8_t huff_size_ac[256], uint8_t *uni_ac_vlc_len)
av_cold int	ff_mjpeg_encode_init (MpegEncContext *s)
av_cold void	ff_mjpeg_encode_close (MpegEncContext *s)
static void	encode_block (MpegEncContext *s, int16_t *block, int n)
void	ff_mjpeg_encode_mb (MpegEncContext *s, int16_t block[12][64])
static int	amv_encode_picture (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pic_arg, int *got_packet)

Variables
static uint8_t	uni_ac_vlc_len [64 *64 *2]
static uint8_t	uni_chroma_ac_vlc_len [64 *64 *2]
static const AVOption	options []

Detailed Description

MJPEG encoder.

Definition in file mjpegenc.c.

Macro Definition Documentation

#define V_MAX   2

Definition at line 215 of file mjpegenc.c.

Referenced by amv_encode_picture().

#define OFFSET

(

x

)

offsetof(MpegEncContext, x)

Definition at line 256 of file mjpegenc.c.

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 257 of file mjpegenc.c.

Function Documentation

static av_cold void init_uni_ac_vlc ( const uint8_t  huff_size_ac[256], uint8_t *  uni_ac_vlc_len  )

static

Definition at line 45 of file mjpegenc.c.

Referenced by ff_mjpeg_encode_init().

av_cold int ff_mjpeg_encode_init

(

MpegEncContext *

s

)

Definition at line 71 of file mjpegenc.c.

Referenced by ff_mpv_encode_init().

av_cold void ff_mjpeg_encode_close

(

MpegEncContext *

s

)

Definition at line 116 of file mjpegenc.c.

Referenced by ff_mpv_encode_end().

static void encode_block ( MpegEncContext *  s, int16_t *  block, int  n  )

static

Definition at line 121 of file mjpegenc.c.

Referenced by ff_mjpeg_encode_mb().

void ff_mjpeg_encode_mb	(	MpegEncContext *	s,
		int16_t	block[12][64]
	)

Definition at line 179 of file mjpegenc.c.

Referenced by encode_mb_internal().

static int amv_encode_picture ( AVCodecContext *  avctx, AVPacket *  pkt, const AVFrame *  pic_arg, int *  got_packet  )

static

Definition at line 216 of file mjpegenc.c.

Variable Documentation

uint8_t uni_ac_vlc_len[64 *64 *2]

static

Definition at line 42 of file mjpegenc.c.

Referenced by ff_mjpeg_encode_init().

uint8_t uni_chroma_ac_vlc_len[64 *64 *2]

static

Definition at line 43 of file mjpegenc.c.

Referenced by ff_mjpeg_encode_init().

const AVOption options[]

static

Initial value:

= {
FF_MPV_COMMON_OPTS
{ "pred", "Prediction method", OFFSET(pred), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 3, VE, "pred" },
    { "left",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "pred" },
    { "plane",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, INT_MIN, INT_MAX, VE, "pred" },
    { "median", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3 }, INT_MIN, INT_MAX, VE, "pred" },

{ NULL},
}

Definition at line 258 of file mjpegenc.c.