libavcodec/h264.c:4429: error: Uninitialized Value
  The value read from level[_] was never initialized.

libavcodec/h264.c:4429:13: 
4427.             j= scantable[ coeff_num ];
4428. 
4429.             block[j]= (level[i] * qmul[j] + 32)>>6;
                  ^
4430.         }
4431.     }
