How to use GPU with ffmpeg

OpenVidu v2 How to implement?
1

Now, when Im using recording, my CPU always over 90% by ffmpeg
I want to use nvidia gpu for ffmpeg

2

COMPOSED recording is very CPU consuming because dockerized browser has to decode and encode video.

GPU is not going to help to reduce computational needs.

3

So, I have to improve CPU?

4

Yes. You have to improve CPU