libavcodec/opus_silk.c:1196: error: Uninitialized Value
  The value read from excitation[_] was never initialized.

libavcodec/opus_silk.c:1196:17: 
1194.                                          voiced][qoffset_high][FFMIN(pulsecount[i >> 4], 6)]);
1195.             if (sign == 0)
1196.                 excitation[i] *= -1;
                      ^
1197.         }
1198.     }
