Move checking fps

Chi-EEE · Apr 18, 2024 · 8f3abd0 · 8f3abd0
1 parent b0958f3
commit 8f3abd0
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/app/rpi/common/src/car/system/device/CameraDevice.cpp b/app/rpi/common/src/car/system/device/CameraDevice.cpp
@@ -19,17 +19,17 @@ namespace car::system::device
 	}
 
 	void CameraDevice::update() {
-		const auto now = std::chrono::steady_clock::now();
-		if ((now - this->last).count() < this->configuration->getCameraFpsInterval()) {
+		std::lock_guard<std::mutex> lock(this->camera_mutex_);
+		if (!this->connected_ || this->camera_ == nullptr || !this->camera_->isOpened()) {
 			this->frame_buffer_ = "";
 			return;
 		}
-		this->last = now;
-		std::lock_guard<std::mutex> lock(this->camera_mutex_);
-		if (!this->connected_ || this->camera_ == nullptr || !this->camera_->isOpened()) {
+		const auto now = std::chrono::steady_clock::now();
+		if ((now - this->last).count() < this->configuration->getCameraFpsInterval()) {
 			this->frame_buffer_ = "";
 			return;
 		}
+		this->last = now;
 		cv::Mat frame;
 		(*this->camera_) >> frame;
 		if (frame.empty()) {