libavcodec/h264_direct.c:210: error: Uninitialized Value
  The value read from ref[_] was never initialized.

libavcodec/h264_direct.c:210:9: 
208. 
209.     if(!(is_b8x8|mv[0]|mv[1])){
210.         fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
             ^
211.         fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
212.         fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
