[FFmpeg-devel] [PATCH] lavfi: add fade filter
Tue Feb 22 04:49:47 CET 2011
On Mon, Feb 21, 2011 at 06:07:09PM +0100, Stefano Sabatini wrote:
> On date Monday 2011-02-21 15:58:17 +0100, Stefano Sabatini encoded:
> > On date Monday 2011-02-21 14:24:52 +0100, Michael Niedermayer encoded:
> > > On Mon, Feb 21, 2011 at 12:02:57PM +0100, Stefano Sabatini wrote:
> > > > From: Brandon Mintern <bmintern at gmail.com>
> > > >
> > > > Port fade filter from libavfilter soc repo, with minor fixes by
> > > > Stefano.
> > > > ---
> > > > doc/filters.texi | 33 +++++++++
> > > > libavfilter/Makefile | 1 +
> > > > libavfilter/allfilters.c | 1 +
> > > > libavfilter/vf_fade.c | 170 ++++++++++++++++++++++++++++++++++++++++++++++
> > > > 4 files changed, 205 insertions(+), 0 deletions(-)
> > > > create mode 100644 libavfilter/vf_fade.c
> > >
> > > commited
> > >
> > > ideas for future work:
> > > allow multiple fade in / out per filter
> > Not sure about what you mean here.
> > > allow times in seconds instead of frame numbers
> > I'm working on this, extending the syntax so that it will accept start
> > time specified as an av_parse_time() string or #FRAME_NB, same for
> > DURATION.
> Check patch, only partially tested, only posted for showing
> the syntax.
> # fade out last 45 frames of a 200-frame video
> +# fade out last 10 seconds frames of a 5 minutes video
> +# the quotes are required, since the time specification includes ":"
I dont think syntax needing escaping is a good idea
i suggest fade=out:00h04m50s:10s
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Complexity theory is the science of finding the exact solution to an
approximation. Benchmarking OTOH is finding an approximation of the exact
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