media-sound/playerctl
A CLI utility to control media players over MPRIS
USE Flags
doc
Global: Adds extra documentation (API, Javadoc, etc)
introspection
Global: Use dev-libs/gobject-introspection for introspection
test
Global: Workaround to pull in packages needed to run with FEATURES=test. Portage-2.1.2 handles this internally, so don't set it in make.conf/package.use anymore