[FFmpeg-devel] [PATCH] lavfi: add nlmeans_opencl filter

[Song, Ruiling]

> -----Original Message-----
> From: ffmpeg-devel [mailto:ffmpeg-devel-bounces at ffmpeg.org] On Behalf Of
> mypopy at gmail.com
> Sent: Monday, April 8, 2019 9:37 AM
> To: FFmpeg development discussions and patches <ffmpeg-devel at ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH] lavfi: add nlmeans_opencl filter
> 
> On Mon, Apr 8, 2019 at 9:33 AM Song, Ruiling <ruiling.song at intel.com> wrote:
> >
> > > -----Original Message-----
> > > From: Song, Ruiling
> > > Sent: Monday, April 1, 2019 3:53 PM
> > > To: ffmpeg-devel at ffmpeg.org
> > > Cc: Song, Ruiling <ruiling.song at intel.com>
> > > Subject: [PATCH] lavfi: add nlmeans_opencl filter
> > >
> > > Signed-off-by: Ruiling Song <ruiling.song at intel.com>
> > > ---
> > > This filter runs about 2x faster on integrated GPU than nlmeans on my
> Skylake
> > > CPU.
> > > Anybody like to give some comments?
> >
> > Ping?
> >
> Tested and verified in i5-8265U

Thanks for the testing. And comments about the code itself are welcome.
The performance data highly depend on the research-window parameters and also the hardware.
I think you may play-with the parameters to make a trade-off between speed and quality.

Thanks!
Ruiling
> 
> OpenCL CPU/pocl 1.2fps with 1080P input
> OpenCL GPU/intel NEO 1.2 fps with 1080P input
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