zmbvenc.c File Reference

#include <stddef.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "avcodec.h"
#include "codec_internal.h"
#include "encode.h"
#include "zlib_wrapper.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

Enumerations
enum	ZmbvFormat {   ZMBV_FMT_NONE = 0, ZMBV_FMT_1BPP = 1, ZMBV_FMT_2BPP = 2, ZMBV_FMT_4BPP = 3,   ZMBV_FMT_8BPP = 4, ZMBV_FMT_15BPP = 5, ZMBV_FMT_16BPP = 6, ZMBV_FMT_24BPP = 7,   ZMBV_FMT_32BPP = 8, ZMBV_FMT_NONE = 0, ZMBV_FMT_1BPP = 1, ZMBV_FMT_2BPP = 2,   ZMBV_FMT_4BPP = 3, ZMBV_FMT_8BPP = 4, ZMBV_FMT_15BPP = 5, ZMBV_FMT_16BPP = 6,   ZMBV_FMT_24BPP = 7, ZMBV_FMT_32BPP = 8 }

Functions
static int	block_cmp (ZmbvEncContext *c, const uint8_t *src, int stride, const uint8_t *src2, int stride2, int bw, int bh, int *xored)
	Block comparing function XXX should be optimized and moved to DSPContext. More...
static int	zmbv_me (ZmbvEncContext *c, const uint8_t *src, int sstride, const 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, AVPacket *pkt, const AVFrame *pict, int *got_packet)
static av_cold int	encode_end (AVCodecContext *avctx)
static av_cold int	encode_init (AVCodecContext *avctx)
	Init zmbv encoder. More...

Variables
const FFCodec	ff_zmbv_encoder

Detailed Description

Zip Motion Blocks Video encoder

Definition in file zmbvenc.c.

Macro Definition Documentation

ZMBV_KEYFRAME

#define ZMBV_KEYFRAME   1

Definition at line 39 of file zmbvenc.c.

ZMBV_DELTAPAL

#define ZMBV_DELTAPAL   2

Definition at line 40 of file zmbvenc.c.

ZMBV_BLOCK

#define ZMBV_BLOCK   16

Definition at line 46 of file zmbvenc.c.

Enumeration Type Documentation

ZmbvFormat

enum ZmbvFormat

Enumerator
ZMBV_FMT_NONE
ZMBV_FMT_1BPP
ZMBV_FMT_2BPP
ZMBV_FMT_4BPP
ZMBV_FMT_8BPP
ZMBV_FMT_15BPP
ZMBV_FMT_16BPP
ZMBV_FMT_24BPP
ZMBV_FMT_32BPP
ZMBV_FMT_NONE
ZMBV_FMT_1BPP
ZMBV_FMT_2BPP
ZMBV_FMT_4BPP
ZMBV_FMT_8BPP
ZMBV_FMT_15BPP
ZMBV_FMT_16BPP
ZMBV_FMT_24BPP
ZMBV_FMT_32BPP

Definition at line 49 of file zmbvenc.c.

Function Documentation

block_cmp()

static int block_cmp ( ZmbvEncContext *  c, const uint8_t *  src, int  stride, const uint8_t *  src2, int  stride2, int  bw, int  bh, int *  xored  )

inlinestatic

Block comparing function XXX should be optimized and moved to DSPContext.

Definition at line 86 of file zmbvenc.c.

Referenced by zmbv_me().

zmbv_me()

static int zmbv_me ( ZmbvEncContext *  c, const uint8_t *  src, int  sstride, const 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 121 of file zmbvenc.c.

Referenced by encode_frame().

encode_frame()

static int encode_frame ( AVCodecContext *  avctx, AVPacket *  pkt, const AVFrame *  pict, int *  got_packet  )

static

Definition at line 167 of file zmbvenc.c.

encode_end()

static av_cold int encode_end ( AVCodecContext *  avctx )

static

Definition at line 303 of file zmbvenc.c.

encode_init()

static av_cold int encode_init ( AVCodecContext *  avctx )

static

Init zmbv encoder.

Definition at line 319 of file zmbvenc.c.

Variable Documentation

ff_zmbv_encoder

const FFCodec ff_zmbv_encoder

Initial value:

= {
    .p.name         = "zmbv",
    CODEC_LONG_NAME("Zip Motion Blocks Video"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_ZMBV,
    .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
    .priv_data_size = sizeof(ZmbvEncContext),
    .init           = encode_init,
    FF_CODEC_ENCODE_CB(encode_frame),
    .close          = encode_end,
    .p.pix_fmts     = (const enum AVPixelFormat[]) { AV_PIX_FMT_PAL8,
                                                     AV_PIX_FMT_RGB555LE,
                                                     AV_PIX_FMT_RGB565LE,
 
 
 
                                                     AV_PIX_FMT_BGR0,
                                                     AV_PIX_FMT_NONE },
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
}

Definition at line 413 of file zmbvenc.c.