libavcodec/h264_direct.c:385: error: Uninitialized Value
  The value read from ref[_] was never initialized.

libavcodec/h264_direct.c:385:9: 
383. 
384.         fill_rectangle(&sl->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
385.         fill_rectangle(&sl->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
             ^
386.         if (!IS_INTRA(mb_type_col[0]) && !sl->ref_list[1][0].parent->long_ref &&
387.             ((l1ref0[0] == 0 &&
