code: private boolean sendCheckVideoCM() {
          OOBControlMessage oobCtrlMsg = new OOBControlMessage();
          oobCtrlMsg.setTarget(IStreamTypeAwareProvider.KEY);
          oobCtrlMsg.setServiceName("hasVideo");
          msgInReference.get().sendOOBControlMessage(this, oobCtrlMsg);
          if (oobCtrlMsg.getResult() instanceof Boolean) {
              return (Boolean) oobCtrlMsg.getResult();
          } else {
              return false;
          }
      }
docs: Send VOD check video control message
  
  @return result of oob control message