libavcodec/h264_direct.c:202: error: Uninitialized Value
  The value read from ref[_] was never initialized.

libavcodec/h264_direct.c:202:8: 
200.         }
201.     }
202.     if(ref[0] < 0 && ref[1] < 0){
            ^
203.         ref[0] = ref[1] = 0;
204.         if(!is_b8x8)
