float intensity;
float balance[3];
float lcoeffs[3];
+ int alternate;
int depth;
const float bc = s->lcoeffs[1];
const float rc = s->lcoeffs[2];
const float intensity = s->intensity;
+ const float alternate = s->alternate ? 1.f : -1.f;
const float gintensity = intensity * s->balance[0];
const float bintensity = intensity * s->balance[1];
const float rintensity = intensity * s->balance[2];
- const float sgintensity = FFSIGN(intensity);
- const float sbintensity = FFSIGN(intensity);
- const float srintensity = FFSIGN(intensity);
+ const float sgintensity = alternate * FFSIGN(gintensity);
+ const float sbintensity = alternate * FFSIGN(bintensity);
+ const float srintensity = alternate * FFSIGN(rintensity);
const int slice_start = (height * jobnr) / nb_jobs;
const int slice_end = (height * (jobnr + 1)) / nb_jobs;
const int glinesize = frame->linesize[0];
const int width = frame->width;
const int height = frame->height;
const float intensity = s->intensity;
+ const float alternate = s->alternate ? 1.f : -1.f;
const float gintensity = intensity * s->balance[0];
const float bintensity = intensity * s->balance[1];
const float rintensity = intensity * s->balance[2];
- const float sgintensity = FFSIGN(intensity);
- const float sbintensity = FFSIGN(intensity);
- const float srintensity = FFSIGN(intensity);
+ const float sgintensity = alternate * FFSIGN(gintensity);
+ const float sbintensity = alternate * FFSIGN(bintensity);
+ const float srintensity = alternate * FFSIGN(rintensity);
const int slice_start = (height * jobnr) / nb_jobs;
const int slice_end = (height * (jobnr + 1)) / nb_jobs;
const int glinesize = frame->linesize[0] / 2;
{ "rlum", "set the red luma coefficient", OFFSET(lcoeffs[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.072186}, 0, 1, VF },
{ "glum", "set the green luma coefficient", OFFSET(lcoeffs[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.715158}, 0, 1, VF },
{ "blum", "set the blue luma coefficient", OFFSET(lcoeffs[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.212656}, 0, 1, VF },
+ { "alternate", "use alternate colors", OFFSET(alternate), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, VF },
{ NULL }
};