[FFmpeg-devel] [Patch] CUDA Thumbnail Filter

Rostislav Pehlivanov atomnuker at gmail.com
Mon Sep 4 20:03:51 EEST 2017

On 4 September 2017 at 17:25, Timo Rothenpieler <timo at rothenpieler.org>

> 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
> first.
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I think they should provide a Vulkan interop so we could drop all CUDA
filters and instead treat all filter GPU acceleration in a generic way. Its
just a matter of months before one exists, I bet.

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