[FFmpeg-devel] [PATCH] Moves yuv2yuvX_sse3 to yasm, unrolls main loop and other small optimizations for ~20% speedup.

Michael Niedermayer michael at niedermayer.cc
Fri Nov 13 18:48:49 EET 2020


On Thu, Nov 12, 2020 at 09:33:18AM +0100, Alan Kelly wrote:
> ---
>  It now works on x86-32
>  libswscale/x86/Makefile     |   1 +
>  libswscale/x86/swscale.c    |  75 ++++--------------------
>  libswscale/x86/yuv2yuvX.asm | 110 ++++++++++++++++++++++++++++++++++++
>  3 files changed, 121 insertions(+), 65 deletions(-)
>  create mode 100644 libswscale/x86/yuv2yuvX.asm

Is this intended to produce bit by bit identical output ?

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

The greatest way to live with honor in this world is to be what we pretend
to be. -- Socrates
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