[Ffmpeg-devel] watermark vhook and -vcodec copy

Michael Niedermayer michaelni
Wed Jun 29 13:57:07 CEST 2005


Hi

On Wednesday 29 June 2005 13:47, Marcus Engene wrote:
> Marcus Engene wrote:
> >> Nonsense maybe... I am aware they are mutually exclusive. What I was
> >> implying is that copying video frames takes place but for a set
> >> duration/number of frames, vhook is invoked. I.e. encoding.
> >>
> >> I think a combination of -ss an -t will get me where I need to be.
> >>
> >> Chris
> >
> > Hi Chris,
> >
> > If you are not concerned with cpu consumption there is another way.
> >
> > The watermark image decoding follows Martin B?hmes excellent guide and
> > should (as in: is not thoroughly tested) be able to use a video stream
> > for watermark instead of a static image. You could try to generate a
> > video stream with the watermark and after X seconds you tone the whole
> > frame to gray (#808080) and it won't affect the output anymore.
> >
> > Best regards,
> > Marcus
>
> Or you can use the new -c flag.
>
> Would somebody be kind enough to apply?

IMHO applying a filter just to some frames should be handled outside of the 
individual filter(s) in a more generic way


[...]
-- 
Michael





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