Split highgui module to videoio and highgui

samples/cpp/tutorial_code/HighGUI/video-input-psnr-ssim/video-input-psnr-ssim.cpp

@@ -5,6 +5,7 @@
 
 #include <opencv2/core/core.hpp>        // Basic OpenCV structures (cv::Mat, Scalar)
 #include <opencv2/imgproc/imgproc.hpp>  // Gaussian Blur
+#include <opencv2/videoio/videoio.hpp>
 #include <opencv2/highgui/highgui.hpp>  // OpenCV window I/O
 
 using namespace std;

samples/cpp/tutorial_code/HighGUI/video-write/video-write.cpp

@@ -2,7 +2,7 @@
 #include <string>   // for strings
 
 #include <opencv2/core/core.hpp>        // Basic OpenCV structures (cv::Mat)
-#include <opencv2/highgui/highgui.hpp>  // Video write
+#include <opencv2/videoio/videoio.hpp>  // Video write
 
 using namespace std;
 using namespace cv;

samples/cpp/tutorial_code/calib3d/camera_calibration/camera_calibration.cpp

@@ -7,7 +7,8 @@
 #include <opencv2/core/utility.hpp>
 #include <opencv2/imgproc.hpp>
 #include <opencv2/calib3d.hpp>
-#include "opencv2/imgcodecs.hpp"
+#include <opencv2/imgcodecs.hpp>
+#include <opencv2/videoio.hpp>
 #include <opencv2/highgui.hpp>
 
 #ifndef _CRT_SECURE_NO_WARNINGS

samples/cpp/tutorial_code/objectDetection/objectDetection.cpp

@@ -1,4 +1,5 @@
 #include "opencv2/objdetect.hpp"
+#include "opencv2/videoio.hpp"
 #include "opencv2/highgui.hpp"
 #include "opencv2/imgproc.hpp"
 

samples/cpp/tutorial_code/objectDetection/objectDetection2.cpp

@@ -4,6 +4,7 @@
  * @brief A simplified version of facedetect.cpp, show how to load a cascade classifier and how to find objects (Face + eyes) in a video stream - Using LBP here
  */
 #include "opencv2/objdetect.hpp"
+#include "opencv2/videoio.hpp"
 #include "opencv2/highgui.hpp"
 #include "opencv2/imgproc.hpp"
 

samples/cpp/tutorial_code/video/bg_sub.cpp

@@ -6,6 +6,7 @@
 
 //opencv
 #include "opencv2/imgcodecs.hpp"
+#include "opencv2/videoio.hpp"
 #include <opencv2/highgui/highgui.hpp>
 #include <opencv2/video/background_segm.hpp>
 //C