libavcodec/zmbvenc.c File Reference

Zip Motion Blocks Video encoder. More...

#include <stdio.h>
#include <stdlib.h>
#include "avcodec.h"
#include <zlib.h>

Go to the source code of this file.

Data Structures
struct	ZmbvEncContext
	Encoder context. More...
Defines
#define	ZMBV_KEYFRAME   1
#define	ZMBV_DELTAPAL   2
#define	ZMBV_BLOCK   16
Functions
static int	block_cmp (uint8_t *src, int stride, uint8_t *src2, int stride2, int bw, int bh)
	Block comparing function XXX should be optimized and moved to DSPContext TODO handle out of edge ME.
static int	zmbv_me (ZmbvEncContext *c, uint8_t *src, int sstride, uint8_t *prev, int pstride, int x, int y, int *mx, int *my)
	Motion estimation function TODO make better ME decisions.
static int	encode_frame (AVCodecContext *avctx, uint8_t *buf, int buf_size, void *data)
static int	encode_init (AVCodecContext *avctx)
	Init zmbv encoder.
static int	encode_end (AVCodecContext *avctx)
	Uninit zmbv encoder.
Variables
AVCodec	zmbv_encoder

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Detailed Description

Zip Motion Blocks Video encoder.

Definition in file zmbvenc.c.

---

Define Documentation

#define ZMBV_BLOCK   16

Definition at line 37 of file zmbvenc.c.

Referenced by encode_frame(), encode_init(), and zmbv_me().

#define ZMBV_DELTAPAL   2

Definition at line 35 of file zmbvenc.c.

#define ZMBV_KEYFRAME   1

Definition at line 34 of file zmbvenc.c.

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Function Documentation

static int block_cmp	(	uint8_t *	src,
		int	stride,
		uint8_t *	src2,
		int	stride2,
		int	bw,
		int	bh
	)			[inline, static]

Block comparing function XXX should be optimized and moved to DSPContext TODO handle out of edge ME.

Definition at line 61 of file zmbvenc.c.

Referenced by zmbv_me().

static int encode_end

(

AVCodecContext *

avctx

)

[static]

Uninit zmbv encoder.

Definition at line 300 of file zmbvenc.c.

static int encode_frame	(	AVCodecContext *	avctx,
		uint8_t *	buf,
		int	buf_size,
		void *	data
	)			[static]

Definition at line 105 of file zmbvenc.c.

static int encode_init

(

AVCodecContext *

avctx

)

[static]

Init zmbv encoder.

Definition at line 234 of file zmbvenc.c.

static int zmbv_me	(	ZmbvEncContext *	c,
		uint8_t *	src,
		int	sstride,
		uint8_t *	prev,
		int	pstride,
		int	x,
		int	y,
		int *	mx,
		int *	my
	)			[static]

Motion estimation function TODO make better ME decisions.

Definition at line 78 of file zmbvenc.c.

Referenced by encode_frame().

---

Variable Documentation

AVCodec zmbv_encoder

Initial value:

 {
    "zmbv",
    CODEC_TYPE_VIDEO,
    CODEC_ID_ZMBV,
    sizeof(ZmbvEncContext),
    encode_init,
    encode_frame,
    encode_end,
    .pix_fmts = (enum PixelFormat[]){PIX_FMT_PAL8, -1},
}

Definition at line 313 of file zmbvenc.c.