Quote:
Originally Posted by imhh11
when i encoded the source with the same setting CRF17 slow.. the colors stay perfect
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Right, but look at the U, V planes . It show more damage than up/down scaling only
4:2:0 => 4:2:2 => 4:2:0 . You would expect some blurring if they were not using nearest neighbor (aka point resize in avisynth) , so very small color details will be expected to be blurred. But you have compression artifacts on top as well. Encoding source bypasses that up/down scaling step
But it still looks like something additional is going on too