[FFmpeg-devel] [PATCH V7 1/2] libswscale/x86/yuv2rgb: Change inline assembly into nasm code

[Fu, Ting]

> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of Fu,
> Ting
> Sent: Friday, January 10, 2020 01:58 AM
> To: FFmpeg development discussions and patches <ffmpeg-devel at ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH V7 1/2] libswscale/x86/yuv2rgb: Change
> inline assembly into nasm code
> 
> 
> 
> > -----Original Message-----
> > From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of Ting
> > Fu
> > Sent: Friday, January 10, 2020 01:38 AM
> > To: ffmpeg-devel at ffmpeg.org
> > Subject: [FFmpeg-devel] [PATCH V7 1/2] libswscale/x86/yuv2rgb: Change
> > inline assembly into nasm code
> >
> > Signed-off-by: Ting Fu <ting.fu at intel.com>
> > ---
> > V7:
> >     Fix compile issue when user configure with --disable-mmx.
> >     Fix issue when running ./ffmpeg with --cpuflags mmx/ssse3.
> >     Adjust the SIMD verify logic in libswscale/x86/yuv2rgb.c
> 
> To be more detail. I was use 'if clause' to judge the color format in
> libswscale/x86/yuv2rgb.c and then the '#if macro' to judge SIMD in
> libswscale/x86/yuv2rgb_template.c. Which cannot correctly respond to the
> command when use ./ffmpeg with --cpuflags, cause it does not get value of
> av_get_cpu_flags() any more. So, I abandoned the macro and judge both color
> format and SIMD in libswscale/x86/yuv2rgb.c.
> 
> Thank you,
> Ting Fu
> >
> >  libswscale/x86/Makefile           |   1 +
> >  libswscale/x86/swscale.c          |  16 +-
> >  libswscale/x86/yuv2rgb.c          |  66 ++---
> >  libswscale/x86/yuv2rgb_template.c | 467 ++++++------------------------
> >  libswscale/x86/yuv_2_rgb.asm      | 270 +++++++++++++++++
> >  5 files changed, 405 insertions(+), 415 deletions(-)  create mode
> > 100644 libswscale/x86/yuv_2_rgb.asm
> >
A kindle ping.
[...]
> > --
> > 2.17.1
> >
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