libavcodec/lpc.h:137: error: Uninitialized Value
  The value read from gen1[_] was never initialized.

libavcodec/lpc.h:137:13: 
135.     for (i = 1; i < max_order; i++) {
136.         for (j = 0; j < max_order - i; j++) {
137.             gen1[j] = gen1[j + 1] + ref[i - 1] * gen0[j];
                 ^
138.             gen0[j] = gen1[j + 1] * ref[i - 1] + gen0[j];
139.         }
