libavcodec/wavpack.c:264: error: Uninitialized Value
  The value read from br[_] was never initialized.

libavcodec/wavpack.c:264:13: 
262.             br[1] = 0;
263.         } else {
264.             br[1] = br[0] + balance;
                 ^
265.             br[0] = br[0] - balance;
266.         }
