[FFmpeg-devel] [PATCH] swresample/arm: add ff_resample_common_apply_filter_{x4, x8}_{float, s16}_neon

[Matthieu Bouron]

Le 11 mai 2016 6:39 PM, "Matthieu Bouron" <matthieu.bouron at gmail.com> a
écrit :
>
> From: Matthieu Bouron <matthieu.bouron at stupeflix.com>
>
> ---
>
> Hello,
>
> Here are some benchmark on a rpi2 of the attached patch.
>
> ./ffmpeg -f lavfi -i
sine=440,aformat=sample_fmts=fltp,asetnsamples=4096,abench=start,aresample=48000,abench=stop
-t 1000 -f null -
>
> With patch:    avg=0.001159 speed=44,1x
> Without patch: avg=0.001297 speed=40,8x
>
> ./ffmpeg -f lavfi -i
sine=440,aformat=sample_fmts=s16p,asetnsamples=4096,abench=start,aresample=48000,abench=stop
-t 1000 -f null -
>
> With patch:    avg=0.001374 speed=45,6x
> Without patch: avg=0.000782 speed=64,6x

Without patch: avg=0.001374 speed=45,6x
With patch: avg=0.000782 speed=64,6x

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