Chroma key (green/blue screen) blending

[Nicolas Dufresne]

Le mercredi 15 janvier 2014 à 17:20 +0100, Sebastian Dröge a écrit :

> I would recommend converting to a video format with alpha channel with
> videoconvert before the alpha element if that is a concern.

Sorry, didn't saw your reply, really ? I thought we had some code in
alpha to be more efficient doing that ? I guess you know more then me on
that, though I'll inform the PiTiVi GES people, measurement would be
nice.

cheers,
Nicolas
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