[FFmpeg-devel] [PATCH] api-example for libavfilter
Thu Dec 9 11:23:00 CET 2010
On Wed, 2010-12-08 at 20:37 +0100, Nicolas George wrote:
> L'octidi 18 frimaire, an CCXIX, Stefano Sabatini a ?crit :
> > I'd prefer to avoid to rely on other FFmpeg libraries, currently lavfi
> > only depends on libavutil, libavcore and libswscale, and API example
> > should be minimal so should be as strict as possible in terms of
> > requirements.
> I think that illustrating how the filtering system interacts with the rest
> of the libraries is important: which time base should be used, how to insert
> an AVFrame in the system, etc.
> See libavformat/output-example.c: to give a complete working example, before
> outputing with libavformat, it scales with libswscale and encodes with
libavformat depends on libavcodec though, so it might as well use it.
However, libavformat could use a pure remuxing example.
I would also like to see a more pure libavfilter example that doesn't
depend on libavformat and libavcodec. However, I don't think it has to
be mutually exclusive to an example that does use them like this one.
In short: this example seems fair. IMO we could use another one that
only does filtering on generated data.
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