[FFmpeg-devel] [PATCH 1/3] swscale/ppc: VSX-optimize yuv2422_1

[Lauri Kasanen]

On Sun, 24 Mar 2019 15:10:35 +0200
Lauri Kasanen <cand at gmx.com> wrote:

> ./ffmpeg -f lavfi -i yuvtestsrc=duration=1:size=1200x1440 \
>             -s 1200x1440 -f null -vframes 100 -pix_fmt $i -nostats \
>             -cpuflags 0 -v error -
>
> 15.3x speedup:
>
> yuyv422
>   14513 UNITS in yuv2packed1,   32768 runs,      0 skips
>     949 UNITS in yuv2packed1,   32767 runs,      1 skips
> yvyu422
>   14516 UNITS in yuv2packed1,   32767 runs,      1 skips
>     943 UNITS in yuv2packed1,   32767 runs,      1 skips
> uyvy422
>   14530 UNITS in yuv2packed1,   32767 runs,      1 skips
>     941 UNITS in yuv2packed1,   32766 runs,      2 skips
>
> Signed-off-by: Lauri Kasanen <cand at gmx.com>
> ---
>  libswscale/ppc/swscale_vsx.c | 149 +++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 149 insertions(+)

Applying these.

- Lauri