You can specify filename for output video by using -out_filename res.avi

AlexeyAB

2017-08-23 76276fdbeade20f30f9474e32a289dba5c09d920

 src/yolo_console_dll.cpp

@@ -81,31 +81,30 @@
      try {
#ifdef OPENCV
         std::string const file_ext = filename.substr(filename.find_last_of(".") + 1);
         std::string const protocol = filename.substr(0, 4);
         std::string const protocol = filename.substr(0, 7);
         if (file_ext == "avi" || file_ext == "mp4" || file_ext == "mjpg" || file_ext == "mov" ||  // video file
            protocol == "rtsp" || protocol == "http") // video network stream
            protocol == "rtsp://" || protocol == "http://" || protocol == "https:/")   // video network stream
         {
            cv::Mat frame, prev_frame, det_frame;
            std::vector<bbox_t> result_vec, thread_result_vec;
            detector.nms = 0.02; // comment it - if track_id is not required
            std::thread td([]() {});
            std::atomic<int> ready_flag;
            ready_flag = false;
            cv::VideoCapture cap(filename);
            for (; cap >> frame, cap.isOpened();) {
               td.join();
               result_vec = thread_result_vec;
               det_frame = frame;
               td = std::thread([&]() { thread_result_vec = detector.detect(det_frame, 0.24, true); ready_flag = true; });

               if (!prev_frame.empty()) {
            ready_flag = true;
            for (cv::VideoCapture cap(filename); cap >> frame, cap.isOpened();) {
               if (ready_flag || (protocol != "rtsp://" && protocol != "http://" && protocol != "https:/")) {
                  td.join();
                  ready_flag = false;
                  result_vec = thread_result_vec;
                  result_vec = detector.tracking(result_vec);  // comment it - if track_id is not required
                  det_frame = frame;						
                  td = std::thread([&]() { thread_result_vec = detector.detect(det_frame, 0.24, true); ready_flag = true; });
               }
               if (!prev_frame.empty()) {						
                  draw_boxes(prev_frame, result_vec, obj_names, 3);
                  show_result(result_vec, obj_names);
               }
               prev_frame = frame;
               //if (protocol == "rtsp" || protocol == "http") do { cap.grab(); } while (!ready_flag);   // use if cam-fps 2x or more than dnn-fps
               ready_flag = false;
            }
         }
         else if (file_ext == "txt") { // list of image files