Is CUDA mandatory for NVENC usage?

[Oleg Krutov]

Thank you for your reply!

But my question was rather about CUDA dependency of NVENC plugin in
gstreamer-plugins-bad. I do know that my hardware configuration is capable
to use NVENC... But in win only :(

вт, 21 янв. 2020 г., 23:29 Peter Maersk-Moller <pmaersk at gmail.com>:

> Take a look at
> https://developer.nvidia.com/video-encode-decode-gpu-support-matrix
> and at https://en.wikipedia.org/wiki/Nvidia_NVENC
>
> Note that there is a button on the Nvidia encode matrix page to expand it
> to a full list.
>
> Regards
> Peter Maersk-Moller
>
> On Tue, Jan 21, 2020 at 7:29 PM Oleg Krutov <oleg.krutov at gmail.com> wrote:
>
>> I run many KVM guests that share NVIDIA GRID card in vGPU mode. With
>> windows 10, RDP on a guest can hardware acceleration and it's just working.
>> But Linux guests have SPICE, and the only way (AFAIK) to get hw
>> acceleration there is spice-streaming-agent with gst-plugin that has NVENC
>> support. But NVENC in gstreamer requires CUDA on guests. As Nvidia doc
>> says, CUDA is available only in vGPU configurationS that cover all of
>> physical chip memory. So, M10 GRID card has 4 physical chips, and there is
>> 8 1Gbyte-VRAM configuration per chip, so 32 guests may be run with this
>> card and that is ok, but no CUDA and no hw acceleration. To use NVENC, one
>> have to use 8Gbytes-VRAM vGPU configuration and only 4 guests can be run.
>> That is very sad :( Are there some workarounds to get rid of CUDA?
>>  Thanks in advance!
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>> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>
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