[FFmpeg-devel] [Patch] CUDA Thumbnail Filter

[wm4]

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>
> wrote:
> 
> > 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.
> >
> >
> > _______________________________________________
> > ffmpeg-devel mailing list
> > ffmpeg-devel at ffmpeg.org
> > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> >
> >  
> 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.