libavcodec/truespeech.c:297: error: Uninitialized Value
  The value read from t[_] was never initialized.

libavcodec/truespeech.c:297:13: 
295.         int sum = 0;
296.         for(k = 0; k < 8; k++)
297.             sum += ptr0[k] * t[k];
                 ^
298.         for(k = 7; k > 0; k--)
299.             ptr0[k] = ptr0[k - 1];
