public override void read_scalefactor_selection(Bitstream stream, Crc16 crc) { if (allocation != 0) { scfsi = stream.get_bits(2); channel2_scfsi = stream.get_bits(2); if (crc != null) { crc.add_bits(scfsi, 2); crc.add_bits(channel2_scfsi, 2); } } }