Video encoding of video streams with Jetson AGX Xavier

Hi,
There is a community contribution. Please check Jetson Nano FAQ
Q: Is hardware acceleration enabled in ffmpeg?
GitHub - jocover/jetson-ffmpeg: ffmpeg support on jetson nano

And please consider to use gstreamer or jetson_multimedia_api. Documents are in:
https://docs.nvidia.com/jetson/l4t/index.html#page/Tegra%2520Linux%2520Driver%2520Package%2520Development%2520Guide%2Faccelerated_gstreamer.html%23
https://docs.nvidia.com/jetson/l4t-multimedia/index.html