Implement automatic setting of redorder_queue_size in videostore by implementing has_out_of_order_packets and get_max_keyframe_interval in the monitor object.

src/zm_monitor.h

@@ -657,6 +657,9 @@ public:
     return shared_data->janus_pin;
   }
 
+  inline bool has_out_of_order_packets() const { return packetqueue.has_out_of_order_packets(); };
+  int get_max_keyframe_interval() const { return packetqueue.get_max_keyframe_interval(); };
+
   bool OnvifEnabled() {
     return onvif_event_listener;
   }

src/zm_videostore.cpp

@@ -152,6 +152,11 @@ bool VideoStore::open() {
       Debug(1, "reorder_queue_size set to %zu", reorder_queue_size);
       // remove it to prevent complaining later.
       av_dict_set(&opts, "reorder_queue_size", nullptr, AV_DICT_MATCH_CASE);
+    } else {
+      if (monitor->has_out_of_order_packets()) {
+        reorder_queue_size = monitor->get_max_keyframe_interval();
+        Debug(1, "reorder_queue_size set to %zu because we have out of order packets", reorder_queue_size);
+      }
     }
   }