[FFmpeg-devel] AVX assembly for ffmpeg

Ronald S. Bultje rsbultje
Sun Feb 20 01:37:31 CET 2011


On Sat, Feb 19, 2011 at 2:16 PM, Daniel Kang <daniel.d.kang at gmail.com> wrote:
> I don't have a Sandy Bridge to test this for speed, but it compiles and
> passes make fate-h264. More development will probably have to wait until
> March, when Jason has access to a Sandy Bridge (and can give me access
> to it).
> +#if HAVE_AVX
> +    if (mm_flags & AV_CPU_FLAG_AVX) {
> +        h->pred8x8l [DIAG_DOWN_RIGHT_PRED] = ff_pred8x8l_down_right_avx;
> +    }
> +#endif
> +#endif


Other than that, let's make sure this stuff speeds it up, otherwise
it's pointless. Once you have Intel's Sandy Bridge and can test it,
let's make sure it works and then it's fine to commit with me.


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