vp56dsp.c File Reference

#include <stdint.h>
#include "libavutil/attributes.h"
#include "avcodec.h"
#include "vp56dsp.h"
#include "libavutil/common.h"

Go to the source code of this file.

Macros
#define	VP56_EDGE_FILTER(pfx, suf, pix_inc, line_inc)

Macro Definition Documentation

#define VP56_EDGE_FILTER	(		pfx,
			suf,
			pix_inc,
			line_inc
	)

Value:

static void pfx ## _edge_filter_ ## suf(uint8_t *yuv, ptrdiff_t stride, \
                                        int t)                          \
{                                                                       \
    int pix2_inc = 2 * pix_inc;                                         \
    int i, v;                                                           \
                                                                        \
    for (i=0; i<12; i++) {                                              \
        v = (yuv[-pix2_inc] + 3*(yuv[0]-yuv[-pix_inc]) - yuv[pix_inc] + 4)>>3;\
        v = pfx##_adjust(v, t);                                         \
        yuv[-pix_inc] = av_clip_uint8(yuv[-pix_inc] + v);               \
        yuv[0] = av_clip_uint8(yuv[0] - v);                             \
        yuv += line_inc;                                                \
    }                                                                   \
}

Definition at line 29 of file vp56dsp.c.