zmbvenc.c File Reference

Zip Motion Blocks Video encoder. More...

#include <stdio.h>
#include <stdlib.h>
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include <zlib.h>

Go to the source code of this file.

Data Structures

struct  ZmbvEncContext
 Encoder context. More...
 

Macros

#define ZMBV_KEYFRAME   1
 
#define ZMBV_DELTAPAL   2
 
#define ZMBV_BLOCK   16
 

Typedefs

typedef struct ZmbvEncContext ZmbvEncContext
 Encoder context. More...
 

Functions

static int block_cmp (uint8_t *src, int stride, uint8_t *src2, int stride2, int bw, int bh, int *xored)
 Block comparing function XXX should be optimized and moved to DSPContext TODO handle out of edge ME. More...
 
static int zmbv_me (ZmbvEncContext *c, uint8_t *src, int sstride, uint8_t *prev, int pstride, int x, int y, int *mx, int *my, int *xored)
 Motion estimation function TODO make better ME decisions. More...
 
static int encode_frame (AVCodecContext *avctx, uint8_t *buf, int buf_size, void *data)
 
static av_cold int encode_init (AVCodecContext *avctx)
 Init zmbv encoder. More...
 
static av_cold int encode_end (AVCodecContext *avctx)
 Uninit zmbv encoder. More...
 

Variables

static int score_tab [256]
 
AVCodec ff_zmbv_encoder
 

Detailed Description

Zip Motion Blocks Video encoder.

Definition in file zmbvenc.c.

Macro Definition Documentation

#define ZMBV_BLOCK   16

Definition at line 38 of file zmbvenc.c.

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

#define ZMBV_DELTAPAL   2

Definition at line 36 of file zmbvenc.c.

Referenced by encode_frame().

#define ZMBV_KEYFRAME   1

Definition at line 35 of file zmbvenc.c.

Referenced by encode_frame().

Typedef Documentation

Encoder context.

Function Documentation

static int block_cmp ( uint8_t *  src,
int  stride,
uint8_t *  src2,
int  stride2,
int  bw,
int  bh,
int *  xored 
)
inlinestatic

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

Definition at line 64 of file zmbvenc.c.

Referenced by zmbv_me().

static av_cold int encode_end ( AVCodecContext avctx)
static

Uninit zmbv encoder.

Definition at line 313 of file zmbvenc.c.

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

Definition at line 118 of file zmbvenc.c.

static av_cold int encode_init ( AVCodecContext avctx)
static

Init zmbv encoder.

Definition at line 246 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,
int *  xored 
)
static

Motion estimation function TODO make better ME decisions.

Definition at line 91 of file zmbvenc.c.

Referenced by encode_frame().

Variable Documentation

AVCodec ff_zmbv_encoder
Initial value:
= {
.name = "zmbv",
.priv_data_size = sizeof(ZmbvEncContext),
.encode = encode_frame,
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_PAL8, PIX_FMT_NONE},
.long_name = NULL_IF_CONFIG_SMALL("Zip Motion Blocks Video"),
}
static av_cold int encode_end(AVCodecContext *avctx)
Uninit zmbv encoder.
Definition: zmbvenc.c:313
static int init(AVCodecParserContext *s)
Definition: h264_parser.c:336
static av_cold int encode_init(AVCodecContext *avctx)
Init zmbv encoder.
Definition: zmbvenc.c:246
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:191
static int encode_frame(AVCodecContext *avctx, uint8_t *buf, int buf_size, void *data)
Definition: zmbvenc.c:118
struct ZmbvEncContext ZmbvEncContext
Encoder context.
static void close(AVCodecParserContext *s)
Definition: h264_parser.c:327
PixelFormat
Pixel format.
Definition: pixfmt.h:62
8 bit with PIX_FMT_RGB32 palette
Definition: pixfmt.h:75

Definition at line 326 of file zmbvenc.c.

int score_tab[256]
static

Definition at line 58 of file zmbvenc.c.

Referenced by block_cmp(), dct_quantize_trellis_c(), and encode_init().