};
let rl_cb = if sstate.is_iframe { &self.tables.aic_rl_cb } else { &self.tables.rl_cb };
- let q_add = if quant == 0 { 0i16 } else { ((quant - 1) | 1) as i16 };
+ let q_add = if quant == 0 || sstate.is_iframe { 0i16 } else { ((quant - 1) | 1) as i16 };
let q = (quant * 2) as i16;
while idx < 64 {
let code = br.read_cb(rl_cb)?;