[FFmpeg-devel] [PATCH v3] lavfi: add new iteration API

[Jean-Baptiste Kempf]

On Thu, Apr 16, 2020, at 21:56, Nicolas George wrote:
> Andreas Rheinhardt (12020-04-16):
> > How would one create these out-of-tree filters without using internal
> > API and without extending the public API for this (thereby hindering
> > development generally)? E.g. all those function pointers in AVFilter
> > (and lots of other similar structures) are internal API and would be
> > made public in some way to support this.
> 
> The internal API is quite complex and moving because we want filters to
> be able to do a lot of things very efficiently.
> 
> If we limit the features offered to out-of-tree filters and accept
> suboptimal performance, it is reasonably easy to offer them a simple
> API that would not hinder development.

Yeah, that was the idea we discussed already IRL.
At least simple picture in -> picture out, (and same for audio), should be nice to have.

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Jean-Baptiste Kempf - President
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