libavcodec/aacsbr.c:737: error: Uninitialized Value
  The value read from bs_pointer was never initialized.

libavcodec/aacsbr.c:737:44: 
735.             idx = ch_data->bs_num_env[1] >> 1;
736.         } else if (ch_data->bs_frame_class & 1) { // FIXVAR or VARVAR
737.             idx = ch_data->bs_num_env[1] - FFMAX(bs_pointer - 1, 1);
                                                ^
738.         } else { // VARFIX
739.             if (!bs_pointer)
