[myimage] add timestamp member to image

myimage.cpp

@@ -1,4 +1,5 @@
 #include "myimage.h"
+#include <chrono>
 
 MyImage::MyImage()
 {}
@@ -14,6 +15,8 @@ bool MyImage::setFrame(Pylon::CGrabResultPtr ptr) {
       img_width = ptr->GetWidth();
       img_height = ptr->GetHeight();
       memcpy(&buffer, ptr->GetBuffer(), ptr->GetImageSize());
+      auto t = std::chrono::system_clock::now();
+      timestamp = std::chrono::system_clock::to_time_t(t);
     }
   return valid;
 }

myimage.h

@@ -20,6 +20,7 @@ private:
   uint32_t img_width = 0;
   uint32_t img_height = 0;
   int64_t img_index = 0;
+  time_t timestamp;
   static const int max_width = 2048;
   static const int max_height = 1536;
   char buffer[max_width * max_height];