limit grab frames

Timocop · Apr 6, 2022 · 926593a · 926593a
1 parent bedb8c5
commit 926593a
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/psmoveservice/PSMoveTracker/PSEye/PSEyeVideoCapture.cpp b/src/psmoveservice/PSMoveTracker/PSEye/PSEyeVideoCapture.cpp
@@ -523,6 +523,14 @@ class PSEYECaptureCAM_VIRTUAL : public cv::IVideoCapture
 
 	bool grabFrame()
 	{
+		const std::chrono::time_point<std::chrono::high_resolution_clock> now = std::chrono::high_resolution_clock::now();
+		const std::chrono::duration<double, std::milli> timeSinceLast = now - m_lastRequest;
+		if (timeSinceLast.count() < 2.f)
+		{
+			return true;
+		}
+
+		m_lastRequest = now;
 
 		if (capturePipe == INVALID_HANDLE_VALUE)
 		{
@@ -715,6 +723,7 @@ class PSEYECaptureCAM_VIRTUAL : public cv::IVideoCapture
 	HANDLE capturePipe;
 	char pipeBuffer[VRIT_BUFF_SIZE];
 	cv::Mat capFrame;
+	std::chrono::time_point<std::chrono::high_resolution_clock> m_lastRequest;
 };
 
 static bool usingCLEyeDriver()