libavcodec/dca_xll.c:392: error: Uninitialized Value
  The value read from c[_] was never initialized.

libavcodec/dca_xll.c:392:17: 
390.         for (i = 0; i < order; i++) {
391.             for (j = s = 0; j < i; j++)
392.                 s += (int64_t) c[j] * samples[i - 1 - j];
                     ^
393.             for (; j < order; j++)
394.                 s += (int64_t) c[j] * prev[DCA_XLL_AORDER_MAX + i - 1 - j];
