[FFmpeg-devel] [Patch] CUDA Thumbnail Filter

Timo Rothenpieler timo at rothenpieler.org
Mon Sep 4 19:25:05 EEST 2017

> We have av_pixelutils_sad_fn which does SAD and has SIMD, there's no point
> in reinventing the wheel.
> I also don't see why this needs to be implemented with CUDA. You're not
> even doing the SAD in CUDA. I bet it'll be just as fast if not faster in C
> (unless you cheat somehow).

The point is to do it on CUDA frames without copying them to system ram 

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