fn read(&mut self, br: &mut BitReader, bsi: &BSI, fscod: usize, blk_no: usize) -> DecoderResult<bool> {
let channels = bsi.acmod.get_num_channels();
let is_stereo = bsi.acmod == ACMode::Stereo;
fn read(&mut self, br: &mut BitReader, bsi: &BSI, fscod: usize, blk_no: usize) -> DecoderResult<bool> {
let channels = bsi.acmod.get_num_channels();
let is_stereo = bsi.acmod == ACMode::Stereo;