[FFmpeg-devel] [Patch] CUDA Thumbnail Filter
nfxjfg at googlemail.com
Mon Sep 4 20:18:07 EEST 2017
On Mon, 4 Sep 2017 18:03:51 +0100
Rostislav Pehlivanov <atomnuker at gmail.com> wrote:
> 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.
You could say the same about OpenCL. Too bad NVIDIA keep pushing their
dumb vendor specific APIs.
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