libavcodec/lpc.c:44: error: Uninitialized Value
  The value read from lpc_tmp[_] was never initialized.

libavcodec/lpc.c:44:13: 
42.         r = -autoc[i+1];
43.         for(j=0; j<i; j++) {
44.             r -= lpc_tmp[j] * autoc[i-j];
                ^
45.         }
46.         r /= err;
