ffv1enc.c File Reference

FF Video Codec 1 (a lossless codec) encoder. More...

#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/crc.h"
#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/timer.h"
#include "avcodec.h"
#include "internal.h"
#include "put_bits.h"
#include "rangecoder.h"
#include "golomb.h"
#include "mathops.h"
#include "ffv1.h"
#include "ffv1enc_template.c"

Macros
#define	put_rac(C, S, B)
#define	TYPE   int16_t
#define	RENAME(name)   name
#define	TYPE   int32_t
#define	RENAME(name)   name ## 32
#define	COST(old, new)
#define	COST2(old, new)   COST(old, new) + COST(256 - (old), 256 - (new))
#define	STATS_OUT_SIZE   1024 * 1024 * 6
#define	NB_Y_COEFF   15
#define	OFFSET(x)   offsetof(FFV1Context, x)
#define	VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Variables
AVCodec	ff_ffv1_encoder

Detailed Description

FF Video Codec 1 (a lossless codec) encoder.

Macro Definition Documentation

COST

#define COST	(		old,
			new
	)

Value:

s->rc_stat[old][0] * -log2((256 - (new)) / 256.0) +     \
    s->rc_stat[old][1] * -log2((new)         / 256.0)

put_rac

#define put_rac	(		C,
			S,
			B
	)

Value:

do {                                        \
        if (rc_stat) {                          \
            rc_stat[*(S)][B]++;                 \
            rc_stat2[(S) - state][B]++;         \
        }                                       \
        put_rac(C, S, B);                       \
    } while (0)