engine->vis = gst_element_factory_make ("goom2k1", "goom2k1");

    g_object_get (G_OBJECT (engine->player), "flags", &flags, NULL);
    g_object_set (G_OBJECT (engine->player), "flags",
        flags | GST_PLAY_FLAG_VIS, NULL);
    g_object_set (G_OBJECT (engine->player), "vis-plugin", engine->vis, NULL);