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Improved speed of yolo_console_dll.cpp - 40 FPS on 4K using GeForce GTX 960

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This commit is contained in:
AlexeyAB
2017-09-12 17:16:21 +03:00
parent 6f1ce1f3e8
commit 8fa9f44211
3 changed files with 31 additions and 16 deletions
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14
src/yolo_console_dll.cpp
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@ -101,6 +101,7 @@ int main(int argc, char *argv[])
protocol == "rtsp://" || protocol == "http://" || protocol == "https:/") // video network stream
{
cv::Mat cap_frame, cur_frame, det_frame, write_frame;
std::shared_ptr<image_t> det_image;
std::vector<bbox_t> result_vec, thread_result_vec;
detector.nms = 0.02; // comment it - if track_id is not required
std::atomic<bool> consumed, videowrite_ready;
@ -116,9 +117,10 @@ int main(int argc, char *argv[])
std::chrono::steady_clock::time_point steady_start, steady_end;
cv::VideoCapture cap(filename); cap >> cur_frame;
int const video_fps = cap.get(CV_CAP_PROP_FPS);
cv::Size const frame_size = cur_frame.size();
cv::VideoWriter output_video;
if (save_output_videofile)
output_video.open(out_videofile, CV_FOURCC('D', 'I', 'V', 'X'), std::max(35, video_fps), cur_frame.size(), true);
output_video.open(out_videofile, CV_FOURCC('D', 'I', 'V', 'X'), std::max(35, video_fps), frame_size, true);
while (!cur_frame.empty()) {
if (t_cap.joinable()) {
@ -132,7 +134,7 @@ int main(int argc, char *argv[])
if(consumed)
{
std::unique_lock<std::mutex> lock(mtx);
cur_frame.copyTo(det_frame);
det_image = detector.mat_to_image_resize(cur_frame);
result_vec = thread_result_vec;
result_vec = detector.tracking(result_vec); // comment it - if track_id is not required
consumed = false;
@ -140,14 +142,14 @@ int main(int argc, char *argv[])
// launch thread once
if (!t_detect.joinable()) {
t_detect = std::thread([&]() {
cv::Mat current_mat = det_frame.clone();
auto current_image = det_image;
consumed = true;
while (!current_mat.empty()) {
auto result = detector.detect(current_mat, 0.24, true);
while (current_image.use_count() > 0) {
auto result = detector.detect_resized(*current_image, frame_size, 0.24, true);
++fps_det_counter;
std::unique_lock<std::mutex> lock(mtx);
thread_result_vec = result;
current_mat = det_frame.clone();
current_image = det_image;
consumed = true;
cv.notify_all();
}