>=dev-libs/glib-2.50.0
>=media-libs/gstreamer-1.0:1.0
>=x11-libs/gtk+-3.22.0:3
>=x11-libs/libnotify-0.7
>=xfce-base/libxfce4ui-4.12.0:=[gtk3
      (+)
]
>=xfce-base/libxfce4util-4.12.0:=
>=xfce-base/xfce4-panel-4.14.0:=
>=xfce-base/xfconf-4.12.0:=

alsa?
      ( >=media-libs/alsa-lib-0.9:= )

keybinder?
      ( >=dev-libs/keybinder-0.3:3 )

sndio?
      ( >=media-sound/sndio-1.7.0 )

pulseaudio?
      ( media-libs/libpulse[glib] )