[FFmpeg-devel] [PATCH] Add null video filter

[Michael Niedermayer]

On Thu, Oct 08, 2009 at 12:04:48AM +0200, Stefano Sabatini wrote:
> On date Wednesday 2009-10-07 23:45:19 +0200, Michael Niedermayer encoded:
> > On Wed, Oct 07, 2009 at 09:42:21PM +0200, Stefano Sabatini wrote:
> > > Hi all,
> > > 
> > > in attachment a zen null video filter.
> > > 
> > > Pedagogically useful.
> > 
> > it looks like it would break direct rendering, not passing
> > get_video_buffer() through but rather ending in a malloc()
> 
> That's true if we assume that this patch depends on the
> get_video_buffer() change patch.
> 
> Patch updated accordingly.
> 
> Regards.
> -- 
> FFmpeg = Faboulous and Furious Mortal Peaceful Eccentric Game

>  doc/vfilters.texi        |    4 +++
>  libavfilter/Makefile     |    1 
>  libavfilter/allfilters.c |    1 
>  libavfilter/vf_null.c    |   56 +++++++++++++++++++++++++++++++++++++++++++++++
>  4 files changed, 62 insertions(+)
> be718603bac4691e58b1a2ab660a3b1db00073fe  lavfi-add-vf-null.patch

probably ok if extensively tested (for example benchmarks that it does not
cause slowdown which would be an indication of extra memcpy being done
somewhere)

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Those who are too smart to engage in politics are punished by being
governed by those who are dumber. -- Plato 
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