test driver_camera_ioctl in NVIIDA Xavier AGX.

src/driver/driver_camera_ioctl/driver_camera_ioctl.pro

@@ -42,6 +42,8 @@ INCLUDEPATH += /home/linaro/opencv3
 #}
 
 
+DEFINES += USE_OPENCV4
+
 HEADERS += \
     ../../include/msgtype/rawpic.pb.h \
     usb_cam.h

src/tool/picview/mainwindow.cpp

@@ -5,7 +5,7 @@
 
 #include <opencv2/imgproc.hpp>
 
-//#include "opencv2/imgcodecs/legacy/constants_c.h"
+#include "opencv2/imgcodecs/legacy/constants_c.h"
 #include <opencv2/imgproc/types_c.h>
 
 #include "xmlparam.h"