GAUSS             280 libavfilter/vf_colorconstancy.c                         dst[INDX2D(r, c, width)] += GAUSS(src, r,                        c + GINDX(filtersize, g),
GAUSS             295 libavfilter/vf_colorconstancy.c                         dst[INDX2D(r, c, width)] += GAUSS(src, r + GINDX(filtersize, g), c,