[FFmpeg-devel] [RFC] [PATCH] avfilter/avfilter: add flag to signal filters that support w/h change

Anton Khirnov anton at khirnov.net
Sat Jun 17 11:27:44 EEST 2023


Quoting Paul B Mahol (2023-06-17 08:52:33)
> On Wed, Jun 14, 2023 at 7:33 PM Nicolas George <george at nsup.org> wrote:
> 
> > Paul B Mahol (12023-06-14):
> > > To flag filters that can work with variable frame size changes
> > > all the time in graph. So no rescalers are need to be inserted or
> > > filtergraph reset.
> > >
> > > Once all such filters are flaged with such capability then code will be
> > > added so auto inserted rescale filter is inserted where neccesarry to
> > > filters in
> > > filtergraph that do not support dynamic width/height changes.
> >
> > If you have a proof-of-concept patch series where this flag is actually
> > useful, I will review it.
> >
> > As it is, it is dead code and not for commit.
> >
> 
> More code will come later, no reasons to block this patch for no valid
> reasons.

I agree with Nicolas, we should not add flags that are not used for
anything.

-- 
Anton Khirnov


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