libavcodec/h264_direct.c:264: error: Uninitialized Value
  The value read from ref[_] was never initialized.

libavcodec/h264_direct.c:264:26: 
262.             }
263.         }
264.         if(ref[0] < 0 && ref[1] < 0){
                              ^
265.             ref[0] = ref[1] = 0;
266.             if(!is_b8x8)
