code: public void receiveVideo(boolean receive) {
          if (engine != null) {
              boolean receiveVideo = engine.receiveVideo(receive);
              if (!receiveVideo && receive) {
                  // video has been re-enabled
                  seekToCurrentPlayback();
              }
          } else {
              log.debug("PlayEngine was null, receiveVideo cannot be modified");
          }
      }
docs: {@inheritDoc}