--- grabber-qcam.cc.orig	Sat Nov  2 23:22:46 1996
+++ grabber-qcam.cc	Sat Nov  2 23:23:34 1996
@@ -84,6 +84,11 @@
 #define CIF_HEIGHT 288
 
 /*XXX*/
+#ifndef QC_MAX_CONTRAST
+#define	QC_MAX_CONTRAST	255
+#endif
+
+/*XXX*/
 #define VOLATILE volatile
 
 class QcamGrabber : public Grabber {