private void InitializeCabac()
{
_reader.GetCabacAlignmentOneBits();
if (_readerState.Valid)
{
if (_reader.ShowBits(8) == 0xff)
{
// Note: IOffset was 510 or 511, which is forbidden!
_readerState.Invalidate();
}
else
{
_arithmeticDecoder.Initialize();
}
}
}