zmbvenc.c File Reference

Zip Motion Blocks Video encoder. More...

#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 }

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.
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.
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.

Variables
static enum AVPixelFormat	zmbv_pixfmts_list []
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.

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

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

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

zmbv_pixfmts_list

enum AVPixelFormat zmbv_pixfmts_list[]

static

Initial value:

= {
    AV_PIX_FMT_PAL8,
    AV_PIX_FMT_RGB555LE,
    AV_PIX_FMT_RGB565LE,
 
 
 
    AV_PIX_FMT_BGR0,
    AV_PIX_FMT_NONE
}

Definition at line 413 of file zmbvenc.c.

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,
    CODEC_PIXFMTS_ARRAY(zmbv_pixfmts_list),
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
}

Definition at line 424 of file zmbvenc.c.