Quote:
Originally Posted by wonkey_monkey
I just made this image to compare chroma resampling in converttoXXX:
https://i.imgur.com/xxQu7KV.png
It shows the result of repeat conversions between YV12 and RGB24. Does it indicate a problem with "sinc"?
If nothing else, it shows a downward shift which none of the others (except "point", for reasons already discussed) exhibits.
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Yes the ConvertToXX "sinc" implementation has issues too . Looks to be more than just down direction. Also occurs with avs classic
avsresize shows expected result with sinc
https://i.postimg.cc/kg7MjBk4/sinc.png