qt-5.x-opengl.tcz
   qt-5.x-dbus.tcz
   gst-plugins-base.tcz
      gstreamer.tcz
         glib2.tcz
            libffi.tcz
      libtheora.tcz
         libogg.tcz
      libvorbis.tcz
         libogg.tcz
      libasound.tcz
      libopus.tcz