[FFmpeg-soc] [PATCH] updated! vf_overlay alpha patch and watermarking using PNG with alpha

[Stefano Sabatini]

On date Tuesday 2009-12-01 00:57:59 +0100, Stefano Sabatini encoded:
> On date Tuesday 2009-12-01 00:50:50 +0100, Vitor Sessak encoded:
[...]
> I'm fine with committing the patch to soc if tested, even better would
> be to try to push the filter to the main repo. Does someone want to
> volunteer for this?

A somehow tinied-up version which can be used as a base for SVN
inclusion, I believe we should get rid of the blend parameter, also
the expression evaluation may stay in a successive commit.

Regards.
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