[FFmpeg-devel] swresample/aarch64: add s16 and fltp neon resampling functions

Matthieu Bouron matthieu.bouron at gmail.com
Fri Jan 13 15:51:55 EET 2017


On Mon, Jan 09, 2017 at 11:00:44PM +0100, Michael Niedermayer wrote:
> On Mon, Jan 09, 2017 at 05:45:29PM +0100, Matthieu Bouron wrote:
> > Hello,
> > 
> > The following patch is a port of 6d82b52712af87c7831872c27fd2abfd18b04f88 to
> > the aarch64 platform.
> > 
> > Here are some results of an rpi3 running in aarch64 mode.
> > 
> > ./ffmpeg -f lavfi -i sine=440,aformat=sample_fmts=fltp,asetnsamples=4096,abench=start,aresample=48000,abench=stop -t 1000 -f null -
> > 
> > Without patch:
> >   [abench @ 0xe682380] t:0.002108 avg:0.001992 max:0.002452 min:0.001950
> > 
> > With patch:
> >   [abench @ 0x11492380] t:0.001474 avg:0.001384 max:0.001796 min:0.001332
> > 
> > ./ffmpeg -f lavfi -i sine=440,aformat=sample_fmts=s16,asetnsamples=4096,abench=start,aresample=48000,abench=stop -t 1000 -f null -
> > 
> > Without patch:
> >   [abench @ 0x268c2380] t:0.001478 avg:0.001423 max:0.001571 min:0.001403
> > 
> > With patch:
> >   [abench @ 0x14092380] t:0.001012 avg:0.000951 max:0.001147 min:0.000922
> 
> nice

Can I push the patchset ?

Thanks,
Matthieu


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