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Old 21st October 2019, 09:30   #11  |  Link
Myrsloik
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Quote:
Originally Posted by ChaosKing View Post
And if it helps. The problem is produced somewhere in contrahsrapening and not smdegrain: https://github.com/HomeOfVapourSynth...sfunc.py#L5406
It's a short script and the pink border still happens if you remove miniblur.

When I remove the only Expr line, the stripes disappear but the pink border is still there. Border could be Repair or MakeDiff. Will test later more.


EDIT
should this produce a pink image?
Code:
clip = core.std.BlankClip(width=200,height=100, format=vs.YUV420P8)
matrix1 = [1, 2, 1, 2, 4, 2, 1, 2, 1]
con = core.std.Convolution(clip, matrix=matrix1)

clip=core.std.MakeDiff(clip, con)
I've narrowed down the green lines. They happen with expr and 16 bit formats in the sse2 code path.

The script you posted definitely shouldn't be pink. For some odd reason it's not pink on my computer which should use exactly the same code path (threadripper 1950x).
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