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

[Michael Niedermayer]

On Thu, Nov 28, 2019 at 02:07:07PM +0800, Ting Fu wrote:
> Signed-off-by: Ting Fu <ting.fu at intel.com>
> ---
>  libswscale/x86/Makefile           |   1 +
>  libswscale/x86/swscale.c          |  16 +-
>  libswscale/x86/yuv2rgb.c          |  81 ++----
>  libswscale/x86/yuv2rgb_template.c | 441 ++++++------------------------
>  libswscale/x86/yuv_2_rgb.asm      | 270 ++++++++++++++++++
>  5 files changed, 394 insertions(+), 415 deletions(-)
>  create mode 100644 libswscale/x86/yuv_2_rgb.asm

This changes the output, i presume that is unintentional

./ffmpeg -cpuflags 0 -i matrixbench_mpeg2.mpg -t 1 -vf format=yuv420p,format=rgb565le -an -f framecrc -

0,          0,          0,        1,   829440, 0x1bd78b86
0,          1,          1,        1,   829440, 0x85910b33
...
vs.
0,          0,          0,        1,   829440, 0x31f4a2bd
0,          1,          1,        1,   829440, 0xf0c66218
...



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

Republics decline into democracies and democracies degenerate into
despotisms. -- Aristotle
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