pfk-config

makefile

@@ -0,0 +1,7 @@
+all: ppg
+	g++ ppg.o -o ppg.exe -L/usr/lib/x86_64-linux-gnu/ -lopencv_stitching -lopencv_aruco -lopencv_bgsegm -lopencv_bioinspired -lopencv_ccalib -lopencv_dnn_objdetect -lopencv_dnn_superres -lopencv_dpm -lopencv_highgui -lopencv_face -lopencv_freetype -lopencv_fuzzy -lopencv_hdf -lopencv_hfs -lopencv_img_hash -lopencv_line_descriptor -lopencv_quality -lopencv_reg -lopencv_rgbd -lopencv_saliency -lopencv_shape -lopencv_stereo -lopencv_structured_light -lopencv_phase_unwrapping -lopencv_superres -lopencv_optflow -lopencv_surface_matching -lopencv_tracking -lopencv_datasets -lopencv_text -lopencv_dnn -lopencv_plot -lopencv_ml -lopencv_videostab -lopencv_videoio -lopencv_viz -lopencv_ximgproc -lopencv_video -lopencv_xobjdetect -lopencv_objdetect -lopencv_calib3d -lopencv_imgcodecs -lopencv_features2d -lopencv_flann -lopencv_xphoto -lopencv_photo -lopencv_imgproc -lopencv_core
+ppg: ppg.cpp
+	g++ -c ppg.cpp -I/usr/include/opencv4/opencv -I/usr/include/opencv4
+clean:
+	rm *.o
+	rm *.exe

ppg.cpp

@@ -1,7 +1,32 @@
-#include <iostream>
-using namespace std;
+#include "opencv2/opencv.hpp"
+#include "opencv2/videoio.hpp"
+#include "opencv2/highgui.hpp"
+
+const int FPS = 15;
 
 int main() {
-  cout << "Hello World!";
+  cv::VideoCapture cap;
+  cap.open(0);
+
+  if (!cap.isOpened()) {
+    std::cerr << "[ERROR] Unable to open camera!" << std::endl;
+    return -2;
+  }
+
+  while (true) {
+    // create a matrix to store the image from the cam
+    cv::Mat frame;
+    // wait for a new frame from camera and store it into 'frame'
+    cap.read(frame);
+    // check if we succeeded
+    if (frame.empty()) {
+      std::cerr << "[ERROR] blank frame grabbed" << std::endl;
+      break;
+    }
+    cv::imshow("Color", frame);
+    if (cv::waitKey(1000.0 / FPS) >= 0)
+      break;
+  }
+
   return 0;
 }