[FFmpeg-devel] [PATCHv3 4/4] avfilter/vf_framerate: add SIMD functions for frame blending

[Marton Balint]

On Sat, 20 Jan 2018, Marton Balint wrote:

> Blend function speedups on x86_64 Core i5 4460:
>
> ffmpeg -f lavfi -i allyuv -vf framerate=60:threads=1 -f null none
>
> C:     447548411 decicycles in Blend,    2048 runs,      0 skips
> SSSE3: 130020087 decicycles in Blend,    2048 runs,      0 skips
> AVX2:  128508221 decicycles in Blend,    2048 runs,      0 skips
>
> ffmpeg -f lavfi -i allyuv -vf format=yuv420p12,framerate=60:threads=1 -f null none
>
> C:     228932745 decicycles in Blend,    2048 runs,      0 skips
> SSE4:  123357781 decicycles in Blend,    2048 runs,      0 skips
> AVX2:  121215353 decicycles in Blend,    2048 runs,      0 skips
>
> Signed-off-by: Marton Balint <cus at passwd.hu>
> ---
> libavfilter/framerate.h             |  74 ++++++++++++++++++++
> libavfilter/vf_framerate.c          |  70 +++++--------------
> libavfilter/x86/Makefile            |   2 +
> libavfilter/x86/vf_framerate.asm    | 134 ++++++++++++++++++++++++++++++++++++
> libavfilter/x86/vf_framerate_init.c |  43 ++++++++++++
> 5 files changed, 269 insertions(+), 54 deletions(-)
> create mode 100644 libavfilter/framerate.h
> create mode 100644 libavfilter/x86/vf_framerate.asm
> create mode 100644 libavfilter/x86/vf_framerate_init.c
>

Pushed the series.

Regards,
Marton