libavcodec/atrac3plusdsp.c:453: error: Uninitialized Value
  The value read from pwcsp[_] was never initialized.

libavcodec/atrac3plusdsp.c:453:13: 
451. 
452.         for (i = 0; i < nsp; i++)
453.             dst[i] += pwcsp[i] * qu_lev;
                 ^
454.     }
455. }
