[FFmpeg-devel] [PATCH v2] avfilter/vf_lut3d: add x86-optimized tetrahedral interpolation

[Mark Reid]

On Sun, Oct 10, 2021 at 10:29 PM Xiang, Haihao <haihao.xiang at intel.com>
wrote:

> On Sat, 2021-10-09 at 15:24 -0700, Mark Reid wrote:
> > On Sat, Oct 9, 2021 at 4:11 AM Paul B Mahol <onemda at gmail.com> wrote:
> >
> > > will test and apply shortly, why 8bit is not covered?
> > >
> >
> > Thanks for taking the time to test. I didn't do 8bit yet because I was
> > trying to limit my testing matrix, and these happen to be my main use
> > cases. I hope to try and incrementally add other pixel formats and
> > interpolation methods.
>
>
> This patch broke the linker with the following configuration:
>
>   configuration: --prefix=/usr --libdir=/usr/lib/x86_64-linux-gnu --
> shlibdir=/usr/lib/x86_64-linux-gnu --enable-opencl --enable-libglslang
> --enable-
> vulkan --enable-libdrm --enable-shared --enable-pic --enable-gpl --disable-
> stripping --disable-optimizations --disable-static --disable-mmx
> --disable-ssse3
> --enable-debug=3 --enable-libmfx --samples=fate-suite/ --enable-opengl
>
> LD      ffprobe_g
> libavfilter/libavfilter.so: undefined reference to
> `ff_interp_tetrahedral_pf32_sse2'
> libavfilter/libavfilter.so: undefined reference to
> `ff_interp_tetrahedral_p16_sse2'
> collect2: error: ld returned 1 exit status
> Makefile:125: recipe for target 'ffprobe_g' failed
> make: *** [ffprobe_g] Error 1
>
> Thanks
> Haihao
>
>
Sorry about that, it appears to be the --disable-optimizations flag.
The SSE2 stub functions are still getting built but the asm is not, I got
it fixed on my end I'll send a patch



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