Re: [FFmpeg-devel] [PATCH v2 00/13] YUVJ removal

[Michael Niedermayer <michael@niedermayer.cc>]

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On Mon, Oct 23, 2023 at 05:56:48PM -0700, Vittorio Giovara wrote:
> On Sat, Oct 21, 2023 at 4:20 PM Michael Niedermayer <michael@niedermayer.cc>
> wrote:
> 
> > On Fri, Oct 20, 2023 at 07:13:00PM -0400, Ronald S. Bultje wrote:
> > > Hi,
> > >
> > > On Fri, Oct 20, 2023 at 12:14 PM Vittorio Giovara <
> > > vittorio.giovara@gmail.com> wrote:
> > >
> > > > tbh while it's great that this functionality exists *somewhere* in
> > ffmpeg,
> > > > this is really something that should belong to the scaler filter
> > (whichever
> > > > implementation)
> > > >
> > >
> > > I agree. The reason this was done separately was to be able to have it at
> > > all. I considered doing it in sws and realized I probably wouldn't finish
> > > it. This was a path of less resistance.
> >
> > sws supports cascaded_context, with that a sws can just spawn multiple
> > sws to implement a path.
> > so if a sws can do just colorspace1->colorspace2 and one can scale
> > colorspace2 you can quite easily make it support
> > colorspace1 scaling into colorspace2 for example
> >
> > so anything should be quite add-able into sws that you have an
> > implementation for
> >
> 
> Nothing is quite easily add-able to sws,

If you have any difficulty with sws, please ask me, iam here to
help


> or developers would have done so
> instead of writing 4 different scaling libraries

People create new libraries, new platforms and new applications all the time
for a wide range of reasons other that "Nothing is quite easily add-able"

thx

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

Everything should be made as simple as possible, but not simpler.
-- Albert Einstein

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