let qmat_idx = if let Some(idx) = self.dstate.force_quant { (idx as usize) + 1 } else { 0 };
let mut sbparams = SBParams {
scan: &DEFAULT_SCAN_ORDER,
let qmat_idx = if let Some(idx) = self.dstate.force_quant { (idx as usize) + 1 } else { 0 };
let mut sbparams = SBParams {
scan: &DEFAULT_SCAN_ORDER,