void ACLosslessScan::StartMeasureScan(class BufferCtrl *)
{
  JPG_THROW(NOT_IMPLEMENTED,"ACLosslessScan::StartMeasureScan",
            "arithmetic coding is always adaptive and does not require a measurement phase");
}
void ACLosslessScan::StartMeasureScan(class BufferCtrl *)
{
  JPG_THROW(NOT_IMPLEMENTED,"ACLosslessScan::StartMeasureScan",
            "arithmetic coding is always adaptive and does not require a measurement phase");
}