Fix initialization order

src/WriterManager.hpp

@@ -0,0 +1,31 @@
+#ifndef WRITERMANAGER_H
+#define WRITERMANAGER_H
+
+#include <map>
+#include <string>
+#include <atomic>
+
+class WriterManager
+{
+    std::map<std::string, std::string> parameters = {};
+
+    // Initialize in constructor.
+    size_t n_images;
+    std::atomic_bool running_flag;
+    std::atomic_int n_received_frames;
+    std::atomic_int n_written_frames;
+
+    public:
+        WriterManager(uint64_t n_images=0);
+        void stop();
+        std::string get_status();
+        std::map<std::string, uint64_t> get_statistics();
+        std::map<std::string, std::string> get_paramters();
+        void set_parameters(std::map<std::string, std::string> &new_parameters);
+        std::map<std::string, std::string>& get_parameters();
+        bool is_running();
+        void received_frame(size_t frame_index);
+        void written_frame(size_t frame_index);
+};
+
+#endif