libavcodec/hevc.c:1155: error: Uninitialized Value
  The value read from add was never initialized.

libavcodec/hevc.c:1155:21: 
1153.                         }
1154.                     }
1155.                     trans_coeff_level = (trans_coeff_level * (int64_t)scale * (int64_t)scale_m + add) >> shift;
                          ^
1156.                     if(trans_coeff_level < 0) {
1157.                         if((~trans_coeff_level) & 0xFffffffffff8000)
