libavcodec/h264_direct.c:411: error: Uninitialized Value
  The value read from ref[_] was never initialized.

libavcodec/h264_direct.c:411:13: 
409.             fill_rectangle(&h->ref_cache[0][scan8[i8 * 4]], 2, 2, 8,
410.                            (uint8_t)ref[0], 1);
411.             fill_rectangle(&h->ref_cache[1][scan8[i8 * 4]], 2, 2, 8,
                 ^
412.                            (uint8_t)ref[1], 1);
413. 
