Invalid coefficient for Bt2020.V_2_G field

[krzysztof-zajdel]

Simd/src/Simd/SimdYuvToBgr.h

Line 133 in 1d6d7e0

static const int V_2_G = -int(2.0f * 0.2627f * (1.0f - 0.2126f) / (1.0f - 0.2627f - 0.0593f) * 255 / (UV_HI - UV_LO) * F_RANGE + 0.5f);

It looks like (1.0f - 0.2126f) part is from Bt709, but it should be (1.0f - 0.2627f) to match Bt2020

[ermig1979]

Thank you for bur report!