HW encode/decode in docker

Hi,
We have a package enabling hardware decoding. Please check if you can build it:
https://docs.nvidia.com/jetson/l4t/index.html#page/Tegra%2520Linux%2520Driver%2520Package%2520Development%2520Guide%2Fmultimedia.html%23wwpID0E0JB0HA
Reference post for downloading and building the source code: