[FFmpeg-soc] [soc]: r5821 - libavfilter/vf_overlay.c

[Reimar Döffinger]

On Sun, Jun 06, 2010 at 01:19:58AM +0200, Stefano Sabatini wrote:
> > It works fine here now.
> 
> Anyway the problem is another one, try with a MPEG video based codec
> and you should see. What I'm observing is that the overlay is applied
> to the source filter *before* the motion compensation, the
> (weird|funny) result is that the logo tends to stain the image
> sort-alike ink as the video scrolls.

Actually that means that the overlay was applied to the reference.
Usually that means someone didn't respect that they are not allowed
to modify some buffer and should have made a copy instead.