let mut cr = ShortCodebookDescReader::new(lit_codes.to_vec());
let ret = Codebook::new(&mut cr, CodebookMode::LSB);
if ret.is_err() { return Err(DecompressError::InvalidHeader); }
let mut cr = ShortCodebookDescReader::new(lit_codes.to_vec());
let ret = Codebook::new(&mut cr, CodebookMode::LSB);
if ret.is_err() { return Err(DecompressError::InvalidHeader); }