amdgpu-pro-amf : AMD's closed source Advanced Media Framework (AMF) driver ( https://www.amd.com/en/support )
clapper : A GNOME media player built using GJS with GTK4 toolkit and powered by GStreamer with OpenGL rendering. ( https://github.com/Rafostar/clapper )
v4l2loopback : v4l2 loopback device whose output is its own input ( https://github.com/umlaeute/v4l2loopback )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a ROKO__
For Paludis use this rsync : rsync://gentoo.zugaina.org/ROKO__-portage
If you have a problem : ycarus(-at-)zugaina.org