/* optimal case : 8 bit image, one color component, no restartInRows */
if ((depth == 8) && (compsInScan == 1) && (dcPtr->restartInRows == 0))
/* optimal case : 8 bit image, one color component, no restartInRows */
if ((depth == 8) && (compsInScan == 1) && (dcPtr->restartInRows == 0))