Hardware assisted ffmpeg with Jetpack 4.5.1

[Lissanro]

You may find the following post useful if you are looking for both hardware encoding and decoding in ffmpeg:

Hardware decoding in mpv player

I was able to solve this. Before explaining details, I will briefly describe the solution and how to install mpv, vlc and ffmpeg with nvmpi and nvv4l2dec support. I have shared precompiled debs so it would be easy for anyone. By the way, totem practically does not work on Jetson Nano, for me it was much slower than mpv with software decoding, and it does not come even close to mpv in therms of features anyway; gst-play-1.0 technically works but it does not support landscape mode on display with…