[FFmpeg-devel] [PATCH v2 14/17] swscale/x86: add SIMD backend

[Kieran Kunhya]

On Wed, May 21, 2025 at 2:00 PM Niklas Haas <ffmpeg at haasn.xyz> wrote:
>
> From: Niklas Haas <git at haasn.dev>
>
> This covers most 8-bit and 16-bit ops, and some 32-bit ops. It also covers all
> floating point operations. While this is not yet 100% coverage, it's good
> enough for the vast majority of formats out there.
>
> Of special note is the packed shuffle fast path, which uses pshufb at vector
> sizes up to AVX512.

Can I ask if this has some kind of design documentation? Because it's
not exactly simple to understand what's going on here.
I would not like to repeat the mistakes of swscale.

Kieran