Thread: Avisynth+
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Old 9th September 2019, 19:56   #4873  |  Link
poisondeathray
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Join Date: Sep 2007
Posts: 5,346
Quote:
Originally Posted by wonkey_monkey View Post
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.
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
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