Remove framesProcessed, curr_frame_num, read FLAGS_fps

Author: Wovchena

demos/background_subtraction_demo/cpp_gapi/main.cpp

@@ -164,12 +164,10 @@ int main(int argc, char *argv[]) {
         LazyVideoWriter videoWriter{FLAGS_o, cap->fps(), FLAGS_limit};
 
         bool isStart = true;
-        uint64_t curr_frame_num = 0;
         const auto startTime = std::chrono::steady_clock::now();
         pipeline.start();
 
         while(pipeline.pull(cv::gout(output))) {
-            ++curr_frame_num;
             presenter.drawGraphs(output);
             if (isStart) {
                 metrics.update(startTime, output, { 10, 22 }, cv::FONT_HERSHEY_COMPLEX,

demos/gaze_estimation_demo/cpp/main.cpp

@@ -113,7 +113,6 @@ int main(int argc, char* argv[]) {
         }
 
         LazyVideoWriter videoWriter{FLAGS_o, cap->fps(), FLAGS_limit};
-        uint32_t framesProcessed = 0;
         cv::Size graphSize{frame.cols / 4, 60};
         Presenter presenter(FLAGS_u, frame.rows - graphSize.height - 10, graphSize);
 
@@ -143,7 +142,6 @@ int main(int argc, char* argv[]) {
                 }
             }
 
-            framesProcessed++;
             videoWriter.write(frame);
             if (!FLAGS_no_show) {
                 cv::imshow(windowName, frame);

demos/interactive_face_detection_demo/cpp/main.cpp

@@ -81,7 +81,7 @@ int main(int argc, char *argv[]) {
                 visualizer.enableEmotionBar(emotionsDetector.emotionsVec);
         }
 
-        LazyVideoWriter videoWriter{FLAGS_o, cap->fps(), FLAGS_limit};
+        LazyVideoWriter videoWriter{FLAGS_o, FLAGS_fps > 0.0 ? FLAGS_fps : cap->fps(), FLAGS_limit};
 
         // Detecting all faces on the first frame and reading the next one
         faceDetector.submitRequest(frame);

demos/pedestrian_tracker_demo/cpp/main.cpp

@@ -180,7 +180,6 @@ int main(int argc, char **argv) {
         cv::Size firstFrameSize = frame.size();
 
         LazyVideoWriter videoWriter{FLAGS_o, cap->fps(), FLAGS_limit};
-        uint32_t framesProcessed = 0;
         cv::Size graphSize{static_cast<int>(frame.cols / 4), 60};
         Presenter presenter(FLAGS_u, 10, graphSize);
 
@@ -266,7 +265,6 @@ int main(int argc, char **argv) {
             presenter.drawGraphs(frame);
             metrics.update(startTime, frame, { 10, 22 }, cv::FONT_HERSHEY_COMPLEX, 0.65);
 
-            framesProcessed++;
             videoWriter.write(frame);
             if (should_show) {
                 cv::imshow("dbg", frame);

demos/smart_classroom_demo/cpp/main.cpp

@@ -89,7 +89,7 @@ class Visualizer {
         }
     }
 
-    void Show(size_t framesProcessed) {
+    void Show() {
         if (enabled_) {
             cv::imshow(main_window_name_, frame_);
         }
@@ -909,7 +909,7 @@ int main(int argc, char* argv[]) {
 
             ++total_num_frames;
 
-            sc_visualizer.Show(total_num_frames);
+            sc_visualizer.Show();
 
             logger.FinalizeFrameRecord();
         }

demos/text_detection_demo/cpp/main.cpp

@@ -196,7 +196,6 @@ int main(int argc, char *argv[]) {
         }
 
         LazyVideoWriter videoWriter{FLAGS_o, cap->fps(), FLAGS_limit};
-        uint32_t framesProcessed = 0;
         cv::Size graphSize{static_cast<int>(image.cols / 4), 60};
         Presenter presenter(FLAGS_u, image.rows - graphSize.height - 10, graphSize);
 
@@ -334,7 +333,6 @@ int main(int argc, char *argv[]) {
             presenter.drawGraphs(demoImage);
             metrics.update(startTime, demoImage, { 10, 22 }, cv::FONT_HERSHEY_COMPLEX, 0.65);
 
-            framesProcessed++;
             videoWriter.write(demoImage);
             if (!FLAGS_no_show) {
                 cv::imshow("Press ESC or Q to exit", demoImage);