[FFmpeg-devel] [PATCH 2/2] swscale/input: Avoid calls to av_pix_fmt_desc_get()
Michael Niedermayer
michael at niedermayer.cc
Fri Sep 9 17:55:58 EEST 2022
On Thu, Sep 08, 2022 at 11:44:51PM +0200, Andreas Rheinhardt wrote:
> Michael Niedermayer:
> > On Thu, Sep 08, 2022 at 09:38:51PM +0200, Andreas Rheinhardt wrote:
> >> Michael Niedermayer:
[...]
> > To me if i look at the evolution
> > of isBE() / code checking BE-ness it become more messy over time
> >
> > I think it would be interresting to think about if we can make
> > av_pix_fmt_desc_get(compile time constant) work at compile time.
> > or if we maybe can return to a simpler implementation
> >
>
> We could put the av_pix_fmt_descriptors array into an internal header
> and use something like
>
> static av_always_inline const AVPixFmtDescriptor
> *ff_pix_fmt_descriptor_get(enum AVPixelFormat fmt)
> {
> if (av_builtin_constant_p(fmt))
> return &av_pix_fmt_descriptors[fmt];
> return av_pix_fmt_desc_get(fmt);
> }
yes thats what i was thinking of too.
thx
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
I do not agree with what you have to say, but I'll defend to the death your
right to say it. -- Voltaire
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