[FFmpeg-devel] [PATCH] (for discussion): cuvid: allow to crop and resize in decoder

[Michael Niedermayer]

On Wed, Mar 01, 2017 at 11:58:39AM +0100, Timo Rothenpieler wrote:
> >> We recently just had all sorts of discussions what decoders should and
> >> should not do, I don't think scaling in a decoder is a good thing to
> >> start doing here.
> > 
> > scaling in some decoders is mandated by some specs
> > some standards support reduced resolution which can switch from frame
> > to frame without the decoder output changing
> > There is also the possiblity of scalability where the reference stream
> > has lower resolution IIRC.
> > 
> > This is kind of different of course but, scaling code in decoders is
> > part of some specifications.
> 
> Would like to bring this back up.
> I'd like to merge this, as specially the scaling is freely done by the
> video asic, offering a possibility to scale without requiring non-free
> libnpp. And cropping so far is not possible at all.
> 
> Yes, scaling and cropping is not something a decoder usually does, but
> it exposes a hardware feature that has no other way of accessing it,
> which offers valuable functionality to users.

iam fine with this but i am not sure others are


[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Good people do not need laws to tell them to act responsibly, while bad
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