gst-libav-dev.tcz
   gst-libav.tcz
      gst-plugins-base1.0.tcz
         gstreamer1.0.tcz
            glib2.tcz
               libffi.tcz
            libxml2.tcz
               liblzma.tcz
         pango.tcz
            glib2.tcz
               libffi.tcz
            Xorg-7.6-lib.tcz
            libxcb.tcz
         libtheora.tcz
            libogg.tcz
         libvorbis.tcz
            libogg.tcz
         iso-codes.tcz