libavcodec/dca_xll.c:382: error: Uninitialized Value
  The value read from c[_] was never initialized.

libavcodec/dca_xll.c:382:13: 
380.             int r0 = c[j];
381.             int r1 = c[i - j - 1];
382.             c[j]         += ((int64_t) c[i] * r1 + 0x8000) >> 16;
                 ^
383.             c[i - j - 1] += ((int64_t) c[i] * r0 + 0x8000) >> 16;
384.         }
