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avfilter/vf_colortemperature: use macro for identical code

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This commit is contained in:
Paul B Mahol 2021-01-31 20:24:04 +01:00
parent 6de039823c
commit aa8cf8fdee
1 changed files with 23 additions and 38 deletions
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61
libavfilter/vf_colortemperature.c
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@ -73,6 +73,27 @@ static float lerpf(float v0, float v1, float f)
return v0 + (v1 - v0) * f;
}
#define PROCESS() \
nr = r * color[0]; \
ng = g * color[1]; \
nb = b * color[2]; \
\
nr = lerpf(r, nr, mix); \
ng = lerpf(g, ng, mix); \
nb = lerpf(b, nb, mix); \
\
l0 = (FFMAX3(r, g, b) + FFMIN3(r, g, b)) + FLT_EPSILON; \
l1 = (FFMAX3(nr, ng, nb) + FFMIN3(nr, ng, nb)) + FLT_EPSILON; \
l = l0 / l1; \
\
r = nr * l; \
g = ng * l; \
b = nb * l; \
\
nr = lerpf(nr, r, preserve); \
ng = lerpf(ng, g, preserve); \
nb = lerpf(nb, b, preserve);
static int temperature_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
ColorTemperatureContext *s = ctx->priv;
@ -99,25 +120,7 @@ static int temperature_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb
float nr, ng, nb;
float l0, l1, l;
nr = r * color[0];
ng = g * color[1];
nb = b * color[2];
nr = lerpf(r, nr, mix);
ng = lerpf(g, ng, mix);
nb = lerpf(b, nb, mix);
l0 = (FFMAX3(r, g, b) + FFMIN3(r, g, b)) + FLT_EPSILON;
l1 = (FFMAX3(nr, ng, nb) + FFMIN3(nr, ng, nb)) + FLT_EPSILON;
l = l0 / l1;
r = nr * l;
g = ng * l;
b = nb * l;
nr = lerpf(nr, r, preserve);
ng = lerpf(ng, g, preserve);
nb = lerpf(nb, b, preserve);
PROCESS()
gptr[x] = av_clip_uint8(ng);
bptr[x] = av_clip_uint8(nb);
@ -159,25 +162,7 @@ static int temperature_slice16(AVFilterContext *ctx, void *arg, int jobnr, int n
float nr, ng, nb;
float l0, l1, l;
nr = r * color[0];
ng = g * color[1];
nb = b * color[2];
nr = lerpf(r, nr, mix);
ng = lerpf(g, ng, mix);
nb = lerpf(b, nb, mix);
l0 = (FFMAX3(r, g, b) + FFMIN3(r, g, b)) + FLT_EPSILON;
l1 = (FFMAX3(nr, ng, nb) + FFMIN3(nr, ng, nb)) + FLT_EPSILON;
l = l0 / l1;
r = nr * l;
g = ng * l;
b = nb * l;
nr = lerpf(nr, r, preserve);
ng = lerpf(ng, g, preserve);
nb = lerpf(nb, b, preserve);
PROCESS()
gptr[x] = av_clip_uintp2_c(ng, depth);
bptr[x] = av_clip_uintp2_c(nb, depth);