libavcodec/wmaenc.c:201: error: Uninitialized Value
  The value read from nb_coefs[_] was never initialized.

libavcodec/wmaenc.c:201:17: 
199.             } else {
200.                 coefs += s->coefs_start;
201.                 n = nb_coefs[ch];
                     ^
202.                 for(i = 0;i < n; i++){
203.                     double t= *coefs++ / (exponents[i] * mult);
