[Bf-committers] Color correction in sequencer
peter at schlaile.de
Thu Dec 11 09:39:35 CET 2008
> found them quite confusing. Even after tweaking them for 5min I don't
> really understand what they do exactly.
take a look at Colorista / Rebel-CC. Maybe they are not intuitive to you,
but they are the standard three way color correction and should work that
> Id much prefer convert these values into either, gimp/photoshop color
> 'Levels' or 'Curves'.
> Curves are already used in other parts of blender so I'ts probably not
> that hard to make this change,
Curves are a nice addition. But Lift/Gamma/Gain should be available, too!
Xavier: thanks for pointing out the problem with lift vs. offset. I was
pretty sure, that I did it wrong, when I coded it, but didn't found a
place, where it really was explained properly... (and blender release was
the next week :) )
So: go ahead, apply your fix! I can also write a patch, but not before
xmas, that's for sure!
The lookup table is only used for byte-values, so it should only affect
speed not quality.
> Peter, if your reading, Could these settings be converted to curves?
> (even a close approximation would be ok I think)
We should add an input prefilter pipeline for that. As Xavier pointed out,
it may be the right time, to think about image processing functions that
are reused across blender.
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