Well, no fancy introduction here, because this doesn't pretend to be a script for the general use, only for testers who want to try the current *very early* status of the media capabilities in the Armbian meson mainline kernel.
Warning: It will replace your current kernel with a pre-compiled nightly 4.19.20.
Instructions:
Download, untar and run. If you need further instructions, then you are not ready for this script (again, it is very unpolished, not for general us