publish clock after the delay is over

Signed-off-by: Nicola Loi <[email protected]>

rosbag2_transport/src/rosbag2_transport/player.cpp

@@ -494,6 +494,9 @@ bool PlayerImpl::play()
             reader_->seek(starting_time_);
             clock_->jump(starting_time_);
           }
+          if (clock_publish_timer_ != nullptr) {
+            clock_publish_timer_->reset();
+          }
           load_storage_content_ = true;
           storage_loading_future_ = std::async(
             std::launch::async, [this]() {
@@ -510,6 +513,9 @@ bool PlayerImpl::play()
             is_ready_to_play_from_queue_ = false;
             ready_to_play_from_queue_cv_.notify_all();
           }
+          if (clock_publish_timer_ != nullptr) {
+            clock_publish_timer_->cancel();
+          }
         } while (rclcpp::ok() && !stop_playback_ && play_options_.loop);
       } catch (std::runtime_error & e) {
         RCLCPP_ERROR(owner_->get_logger(), "Failed to play: %s", e.what());
@@ -1072,7 +1078,7 @@ void PlayerImpl::prepare_publishers()
     clock_publish_timer_ = owner_->create_wall_timer(
       publish_period, [this]() {
         publish_clock_update();
-      });
+      }, nullptr, false);
   }
 
   if (play_options_.clock_publish_on_topic_publish) {