opencv test

src/modules/Archimedes-Modules/Rubiks/Rubiks.cpp

@@ -84,10 +84,34 @@ void Rubiks::run() {
     static cv::VideoWriter video;
 
     static bool rolling = false;
-    static int frames = 0;
+    static int frames = 30 * 15;
 
     if(rolling) {
-        frames++;
+        frames--;
+
+        rolling = frames > 0;
+
+        uint32_t rowStride = ((1920 + 63) & 0xFFFFFFC0) * sizeof(uint32_t);
+
+        long screenBufferSize = rowStride * 1080;
+
+        cv::Mat f(1080, 1920, CV_8UC4);
+
+        glReadPixels(0, 0, 1920, 1080, GL_RGB, GL_UNSIGNED_BYTE, f.data);
+        cv::Mat cv_pixels( 1080, 1920, CV_8UC3 );
+        
+        for( int y=0; y<1080; y++ ) for( int x=0; x<1920; x++ ) {
+
+            cv_pixels.at<cv::Vec3b>(y,x)[2] = f.at<cv::Vec3b>(height-y-1,x)[0];
+            cv_pixels.at<cv::Vec3b>(y,x)[1] = f.at<cv::Vec3b>(height-y-1,x)[1];
+            cv_pixels.at<cv::Vec3b>(y,x)[0] = f.at<cv::Vec3b>(height-y-1,x)[2];
+        }
+
+        video << cv_pixels;
+
+    } else if(frames <= 0) {
+        video.release();
+        //UpdateVideoStatus(WM_VIDEO_STATUS_FILE_CLOSED);
     }
 
     static float scale = 0.96f;
@@ -196,7 +220,13 @@ void Rubiks::run() {
 
             rubiksCube.solve();
 
-            video.open();
+            video.open("Rubiks.mp4", cv::VideoWriter::fourcc('x', '2', '6', '4'), 30.0, cv::Size(1920, 1080), true);
+            if(!video.isOpened()) {
+                std::cout << "VIDEO DID NOT OPEN!\n";
+                std::abort();
+            }
+
+            //UpdateVideoStatus(WM_VIDEO_STATUS_FILE_OPENED);
         }
         
         if(ImGui::Button("randomize")) {

src/modules/Archimedes-Modules/Rubiks/default.nix

@@ -25,6 +25,7 @@
                 stb
 
                 opencv
+                pkg-config
             ];
 
             buildPhase = ''
@@ -44,6 +45,7 @@
                 -lEGL -lglfw -lGLEW \
                 $(curl-config --cflags) \
                 $(curl-config --libs) \
+                $(pkg-config --cflags --libs opencv4) \
                 -Wall \
                 -o $name -DIMGUI_IMPL_GLFW_DISABLE_X11 
             '';