[FFmpeg-devel] [PATCH V8 1/2] libswscale/x86/yuv2rgb: Change inline assembly into nasm code

Michael Niedermayer michael at niedermayer.cc
Tue Jan 21 11:04:15 EET 2020


On Sun, Jan 19, 2020 at 11:51:03AM +0800, Ting Fu wrote:
> The original inline assembly and nasm code have the same fps when called by command.
> NASM code almost has no impact on the perfromance.
> 
> Signed-off-by: Ting Fu <ting.fu at intel.com>
> ---
> V8:
>     Remove all reindention to make review easier.
>     Fix some improper indention.
>     Reserve the "inline" for next patch.
> 
>  libswscale/x86/Makefile           |   1 +
>  libswscale/x86/swscale.c          |  16 +-
>  libswscale/x86/yuv2rgb.c          |  26 +-
>  libswscale/x86/yuv2rgb_template.c | 392 +++++-------------------------
>  libswscale/x86/yuv_2_rgb.asm      | 270 ++++++++++++++++++++
>  5 files changed, 351 insertions(+), 354 deletions(-)
>  create mode 100644 libswscale/x86/yuv_2_rgb.asm

Seems to work, i intend to apply this in a few days

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I do not agree with what you have to say, but I'll defend to the death your
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