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avfilter/vf_limiter: refactor slice functions

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This commit is contained in:
Paul B Mahol 2022-02-21 00:30:52 +01:00
parent ebcde3fda8
commit b8e58f0858
1 changed files with 21 additions and 34 deletions
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55
libavfilter/vf_limiter.c
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@ -88,42 +88,29 @@ static const enum AVPixelFormat pix_fmts[] = {
AV_PIX_FMT_NONE AV_PIX_FMT_NONE
}; };
static void limiter8(const uint8_t *src, uint8_t *dst, #define LIMITER(n, type) \
ptrdiff_t slinesize, ptrdiff_t dlinesize, static void limiter##n(const uint8_t *ssrc, uint8_t *ddst, \
int w, int h, int min, int max) ptrdiff_t slinesize, ptrdiff_t dlinesize,\
{ int w, int h, int min, int max) \
int x, y; { \
const type *src = (const type *)ssrc; \
for (y = 0; y < h; y++) { type *dst = (type *)ddst; \
for (x = 0; x < w; x++) { \
dst[x] = av_clip(src[x], min, max); dlinesize /= sizeof(type); \
} slinesize /= sizeof(type); \
\
dst += dlinesize; for (int y = 0; y < h; y++) { \
src += slinesize; for (int x = 0; x < w; x++) { \
} dst[x] = av_clip(src[x], min, max); \
} \
\
dst += dlinesize; \
src += slinesize; \
} \
} }
static void limiter16(const uint8_t *ssrc, uint8_t *ddst, LIMITER(8, uint8_t)
ptrdiff_t slinesize, ptrdiff_t dlinesize, LIMITER(16, uint16_t)
int w, int h, int min, int max)
{
const uint16_t *src = (const uint16_t *)ssrc;
uint16_t *dst = (uint16_t *)ddst;
int x, y;
dlinesize /= 2;
slinesize /= 2;
for (y = 0; y < h; y++) {
for (x = 0; x < w; x++) {
dst[x] = av_clip(src[x], min, max);
}
dst += dlinesize;
src += slinesize;
}
}
static int config_input(AVFilterLink *inlink) static int config_input(AVFilterLink *inlink)
{ {