libavcodec/aacsbr.c:754: error: Uninitialized Value
  The value read from bs_pointer was never initialized.

libavcodec/aacsbr.c:754:9: 
752.     ch_data->e_a[1] = -1;
753.     if ((ch_data->bs_frame_class & 1) && bs_pointer) { // FIXVAR or VARVAR and bs_pointer != 0
754.         ch_data->e_a[1] = ch_data->bs_num_env[1] + 1 - bs_pointer;
             ^
755.     } else if ((ch_data->bs_frame_class == 2) && (bs_pointer > 1)) // VARFIX and bs_pointer > 1
756.         ch_data->e_a[1] = bs_pointer - 1;
