[Feature request] NVENC support

[thesword53]

Do you plan to add encoding support via NVENC?

[elFarto]

Originally I had planned to look into it, but I'm not so sure now. I don't know if hardware video encoding is useful for the very few programs that can actually make use of this library.

[exalented]

Sway/Nvidia user here. This is the only working solution for hardware accel for me. Sunshine comes to mind. Would be amazing to have NVENC.

[NoTuxNoBux]

Since Firefox can use the driver, would supporting encoding also open up hardware-accelerated encoding for screen sharing or sharing webcam video in conferencing solutions such as Jitsi / Microsoft Teams / Google Meet / ...?

[thesword53]

It would also be useful for Virgl video encoding: https://www.phoronix.com/news/Virgl-Encode-H264-H265

[exalented]

Any news on this? I'll pitch in $50.

[elFarto]

I did take a quick look at it. NVENC looks pretty straight forward to use, but I struggled to understand how to use VA-API to encode. From what I can tell, the mapping between the two isn't as straight forward as the decoding side is.

[JeWe37]

I also have a use for this, I use multiple different machines for hardware encoding, some of which have NVIDIA, others Intel and others again AMD GPUs, and having VA-API support on NVIDIA would drastically simplify the required ffmpeg command creation.

[BlauerHunger]

Waypipe could also benefit from this