+
+ QElapsedTimer acq_time_;
+
+ MetadataObjManager metadata_obj_manager_;
+
+#ifdef ENABLE_FLOW
+ RefPtr<Pipeline> pipeline_;
+ RefPtr<Element> source_;
+ RefPtr<AppSink> sink_;
+
+ mutable mutex pipeline_done_mutex_;
+ mutable condition_variable pipeline_done_cond_;
+ atomic<bool> pipeline_done_interrupt_;
+#endif