等待关闭线程结束再继续下一次拍照

app/src/main/cpp/PhoneDevice.cpp

@@ -754,6 +754,11 @@ IDevice::timer_uid_t CPhoneDevice::RegisterHeartbeat(unsigned int timerType, uns
 
 bool CPhoneDevice::TakePhoto(const IDevice::PHOTO_INFO& photoInfo, const vector<OSD_INFO>& osds, const std::string& path)
 {
+    if (m_threadClose.joinable())
+    {
+        m_threadClose.join();
+    }
+
     if (mCamera != NULL)
     {
         delete mCamera;
@@ -1071,7 +1076,7 @@ bool CPhoneDevice::OnImageReady(cv::Mat& mat)
 
     bool turnOffOtg = (mPhotoInfo.usbCamera != 0);
     std::thread closeThread(&CPhoneDevice::CloseCamera2, this, pCamera, mPhotoInfo.photoId, turnOffOtg);
-    closeThread.detach();
+    m_threadClose.swap(closeThread);
 
     return res;
 }
@@ -1091,7 +1096,7 @@ bool CPhoneDevice::OnVideoReady(bool result, const char* path, unsigned int phot
 
     bool turnOffOtg = (mPhotoInfo.usbCamera != 0);
     std::thread closeThread(&CPhoneDevice::CloseCamera2, this, pCamera, mPhotoInfo.photoId, turnOffOtg);
-    closeThread.detach();
+    m_threadClose.swap(closeThread);
 
     return result;
 }

app/src/main/cpp/PhoneDevice.h

@@ -12,6 +12,7 @@
 #include <map>
 #include <atomic>
 #include <filesystem>
+#include <thread>
 
 #include <camera/NdkCameraManager.h>
 #include <camera/NdkCameraError.h>
@@ -289,6 +290,7 @@ protected:
 
 	long mCameraPowerCount;
 	long mOtgCount;
+	std::thread m_threadClose;
 
 };