Avisynth code:
luma=last
ConvertToRGB()
r=ShowRed()
g=ShowGreen()
b=ShowBlue().Levels(0, 1, 255, 0, 200)
MergeRGB(r,g,b)
ConvertToYV12()
MergeChroma(luma,last)
Avisynth code:
luma=last
ConvertToRGB()
r=ShowRed()
g=ShowGreen()
b=ShowBlue().Levels(0, 1, 255, 0, 200)
MergeRGB(r,g,b)
ConvertToYV12()
MergeChroma(luma,last)