[FFmpeg-devel] [aarch64] improve performance of ff_hscale_8_to_15_neon

Ronald S. Bultje rsbultje at gmail.com
Thu Nov 28 09:08:28 EET 2019


On Wed, Nov 27, 2019 at 3:28 PM Sebastian Pop <sebpop at gmail.com> wrote:

> On Wed, Nov 27, 2019 at 2:13 PM Clément Bœsch <u at pkh.me> wrote:
> > Yeah I will by the end of the week. I wrote that a few years ago so I
> need
> > to take some time to get back in the context.
> Thanks Clément for your help.
> >
> > BTW, that's quite a huge speed improvement you're bringing in, are you
> > sure you are always allowed to read up to filter[3]?
> I will check.
> Otherwise we can version the code and keep the existing code along for
> vector factor 2.

utils.c allocates h{Chr,Lum}Filter and they appear to be padded.


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