Hi -
I'm a slow learner sometimes it would seem.
I completely neglected the fact that due to the 4:2:0 nature of
the data that changing the chroma values affects *4* pixels and
not just the pixel that is currently being examined. Oops. That
explains the horrid artifacts I saw last night.
So for now I'd recommend y4mblackfix only for folks wanting some
"special effects" added.
I think the basic concept is ok but the implementation needs a lot
more work ;)
At the moment I'm leaning towards looking at a 4 pixel (2x2) area
and if 2 or more pixels are considered "dark" setting all 4 pixels
to the user specified values. Sound reasonable?
Cheers,
Steven Schultz
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