==23918== Conditional jump or move depends on uninitialised value(s)
==23918==    at 0x407027F: _XUpdateGCCache (in /usr/lib/libX11.so.6.2.0)
==23918==    by 0x40708CD: XCreateGC (in /usr/lib/libX11.so.6.2.0)
==23918==    by 0x80DF8CD: vo_x11_create_vo_window (x11_common.c:1147)
==23918==    by 0x80E01F0: config (vo_xv.c:250)
==23918==    by 0x80A2FB6: config_video_out (video_out.c:352)
==23918==    by 0x81481D2: config (vf_vo.c:67)
==23918==    by 0x811F26A: vf_config_wrapper (vf.c:643)
==23918==    by 0x811D45B: mpcodecs_config_vo (vd.c:306)
==23918==    by 0x8216417: init_vo (vd_ffmpeg.c:521)
==23918==    by 0x82168CA: decode (vd_ffmpeg.c:867)
==23918==    by 0x81133A6: decode_video (dec_video.c:365)
==23918==    by 0x809AEFC: main (mplayer.c:1754)