The ebuild for libdvdcss tries to download from: http://developers.videolan.org/pub/videolan/libdvdcss/1.2.8/libdvdcss-1.2.8.tar.bz2 The correct location is: http://www.videolan.org/pub/libdvdcss/1.2.8/libdvdcss-1.2.8.tar.bz2
in cvs