libavcodec/truespeech.c:311: error: Uninitialized Value
  The value read from t[_] was never initialized.

libavcodec/truespeech.c:311:13: 
309.         int sum = out[i] << 12;
310.         for(k = 0; k < 8; k++)
311.             sum += ptr0[k] * t[k];
                 ^
312.         for(k = 7; k > 0; k--)
313.             ptr0[k] = ptr0[k - 1];
