From 4d2fefd75a57dfd6e60680eaf7408c82e15a025d Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Thu, 17 Aug 2017 23:12:44 +0000
Subject: [PATCH] More usage rand_s()

---
 src/yolo_console_dll.cpp |   46 ++++++++++++++++++++++++++--------------------
 1 files changed, 26 insertions(+), 20 deletions(-)

diff --git a/src/yolo_console_dll.cpp b/src/yolo_console_dll.cpp
index 52c59df..3560a28 100644
--- a/src/yolo_console_dll.cpp
+++ b/src/yolo_console_dll.cpp
@@ -31,9 +31,10 @@
 			std::string obj_name = obj_names[i.obj_id];
 			if (i.track_id > 0) obj_name += " - " + std::to_string(i.track_id);
 			cv::Size const text_size = getTextSize(obj_name, cv::FONT_HERSHEY_COMPLEX_SMALL, 1.2, 2, 0);
-			size_t const max_width = (text_size.width > i.w + 2) ? text_size.width : (i.w + 2);
-			if(i.x > 3 && (i.x + max_width) < mat_img.cols && i.y > 30 && i.y < mat_img.rows)
-				cv::rectangle(mat_img, cv::Point2f(i.x - 3, i.y - 30), cv::Point2f(i.x + max_width, i.y), color, CV_FILLED, 8, 0);
+			int const max_width = (text_size.width > i.w + 2) ? text_size.width : (i.w + 2);
+			cv::rectangle(mat_img, cv::Point2f(std::max((int)i.x - 3, 0), std::max((int)i.y - 30, 0)), 
+				cv::Point2f(std::min((int)i.x + max_width, mat_img.cols-1), std::min((int)i.y, mat_img.rows-1)), 
+				color, CV_FILLED, 8, 0);
 			putText(mat_img, obj_name, cv::Point2f(i.x, i.y - 10), cv::FONT_HERSHEY_COMPLEX_SMALL, 1.2, cv::Scalar(0, 0, 0), 2);
 		}
 	}
@@ -62,44 +63,48 @@
 }
 
 
-int main() 
+int main(int argc, char *argv[])
 {
+	std::string filename;
+	if (argc > 1) filename = argv[1];
+
 	Detector detector("yolo-voc.cfg", "yolo-voc.weights");
 
 	auto obj_names = objects_names_from_file("data/voc.names");
 
 	while (true) 
-	{
-		std::string filename;
+	{		
 		std::cout << "input image or video filename: ";
-		std::cin >> filename;
+		if(filename.size() == 0) std::cin >> filename;
 		if (filename.size() == 0) break;
 		
 		try {
 #ifdef OPENCV
 			std::string const file_ext = filename.substr(filename.find_last_of(".") + 1);
-			std::string const protocol = filename.substr(0, 4);
-			if (file_ext == "avi" || file_ext == "mp4" || file_ext == "mjpg" || file_ext == "mov" || protocol == "rtsp") {	// video file
+			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://" || 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 = 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, 0.2, true); ready_flag = true; });
-
-					if (!prev_frame.empty()) {
+				std::atomic<int> ready_flag;
+				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") while (!ready_flag) cap.grab();	// use if cam-fps 2x or more than dnn-fps
-					ready_flag = false;
 				}
 			}
 			else if (file_ext == "txt") {	// list of image files
@@ -134,6 +139,7 @@
 		}
 		catch (std::exception &e) { std::cerr << "exception: " << e.what() << "\n"; getchar(); }
 		catch (...) { std::cerr << "unknown exception \n"; getchar(); }
+		filename.clear();
 	}
 
 	return 0;

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