[winswitch] NVENC developer key?

Antoine Martin antoine at nagafix.co.uk
Fri Nov 21 16:32:07 GMT 2014


On 21/11/14 00:02, ... wrote:
>
> Will do.  Maybe this weekend or over thangiving.  Out of curiosity,
> why is cuda needed? Isn't NVENC unrelated to
>
It is used to talk to the encoding device: NVENC uses DirectX on MS
Windows and CUDA on Linux.
In our case, we also use a CUDA kernel to convert the pixel data in BGRX
format to the encoder's input format (NV12).

Antoine


> On Nov 20, 2014 11:11 PM, "Antoine Martin" <antoine at nagafix.co.uk
> <mailto:antoine at nagafix.co.uk>> wrote:
> >
> > On 20/11/14 19:45, ... wrote:
> > > Sweet!  But you think/know that this won't work on a gtx 670
> because it's
> > > too old?
> > I believe it should work with a GTX 670.
> >
> > One sure way to find out is to try the beta repository, which has fresh
> > 0.15 packages (RPMs for Fedora and CentOS have just been pushed, DEBs
> > for Ubuntu and Debian will be pushed tomorrow).
> > All you need to install, apart from xpra 0.15.0, is "python-pycuda"
> > (which is also in the RPM repositories and is available from Debian
> > "contrib").
> > If you do, please share the results. Running "xpra/codecs/loader.py -v"
> > should show "nvenc3" and/or "nvenc4" as available codecs.
> >
> > Cheers
> > Antoine
>




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