libavcodec/lpc.c:42: error: Uninitialized Value
  The value read from lpc_tmp[_] was never initialized.

libavcodec/lpc.c:42:13: 
40. 
41.         for(j=0; j<i; j++)
42.             r -= lpc_tmp[j] * autoc[i-j];
                ^
43. 
44.         r /= err;
