libavcodec/aacsbr.c:739: error: Uninitialized Value
  The value read from bs_pointer was never initialized.

libavcodec/aacsbr.c:739:18: 
737.             idx = ch_data->bs_num_env[1] - FFMAX(bs_pointer - 1, 1);
738.         } else { // VARFIX
739.             if (!bs_pointer)
                      ^
740.                 idx = 1;
741.             else if (bs_pointer == 1)
