From 8d41842cf2206011733aade804f363db4da5ff63 Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Mon, 11 Sep 2017 16:04:08 +0000
Subject: [PATCH] Show FPS and store result.avi video output in yolo_console_dll.cpp
---
src/yolo_console_dll.cpp | 28 ++++++++++++++++++++++++----
1 files changed, 24 insertions(+), 4 deletions(-)
diff --git a/src/yolo_console_dll.cpp b/src/yolo_console_dll.cpp
index 3560a28..c2cf1dd 100644
--- a/src/yolo_console_dll.cpp
+++ b/src/yolo_console_dll.cpp
@@ -23,7 +23,9 @@
#endif
-void draw_boxes(cv::Mat mat_img, std::vector<bbox_t> result_vec, std::vector<std::string> obj_names, unsigned int wait_msec = 0) {
+void draw_boxes(cv::Mat mat_img, std::vector<bbox_t> result_vec, std::vector<std::string> obj_names,
+ unsigned int wait_msec = 0, int current_fps = -1)
+{
for (auto &i : result_vec) {
cv::Scalar color(60, 160, 260);
cv::rectangle(mat_img, cv::Rect(i.x, i.y, i.w, i.h), color, 5);
@@ -38,6 +40,8 @@
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);
}
}
+ if(current_fps >= 0)
+ putText(mat_img, "FPS: " + std::to_string(current_fps), cv::Point2f(10, 20), cv::FONT_HERSHEY_COMPLEX_SMALL, 1.2, cv::Scalar(50, 255, 0), 2);
cv::imshow("window name", mat_img);
cv::waitKey(wait_msec);
}
@@ -71,6 +75,8 @@
Detector detector("yolo-voc.cfg", "yolo-voc.weights");
auto obj_names = objects_names_from_file("data/voc.names");
+ std::string out_videofile = "result.avi";
+ bool const save_output_videofile = false;
while (true)
{
@@ -91,20 +97,34 @@
std::thread td([]() {});
std::atomic<int> ready_flag;
ready_flag = true;
+ std::chrono::steady_clock::time_point steady_start, steady_end;
+ int fps_counter = 0, current_fps = 0;
+ cv::VideoWriter output_video;
for (cv::VideoCapture cap(filename); cap >> frame, cap.isOpened();) {
+ if(!output_video.isOpened() && save_output_videofile)
+ output_video.open(out_videofile, CV_FOURCC('D','I','V','X'), cap.get(CV_CAP_PROP_FPS), frame.size(), true);
if (ready_flag || (protocol != "rtsp://" && protocol != "http://" && protocol != "https:/")) {
td.join();
+ ++fps_counter;
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);
+ if (!prev_frame.empty()) {
+ steady_end = std::chrono::steady_clock::now();
+ if (std::chrono::duration<double>(steady_end - steady_start).count() >= 1) {
+ current_fps = fps_counter;
+ steady_start = steady_end;
+ fps_counter = 0;
+ }
+ draw_boxes(prev_frame, result_vec, obj_names, 3, current_fps);
show_result(result_vec, obj_names);
+ if (output_video.isOpened())
+ output_video << prev_frame;
}
- prev_frame = frame;
+ prev_frame = frame;
}
}
else if (file_ext == "txt") { // list of image files
--
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