code: private void sendNSFailed(IConnection conn, String errorCode, String description, String name, Number streamId) {
          StreamService.sendNetStreamStatus(conn, errorCode, description, name, Status.ERROR, streamId);
      }
docs: Send NetStream.Play.Failed to the client.
  
  @param conn
  @param errorCode
  @param description
  @param name
  @param streamId