code: @Override
      protected void onClientBandwidth(RTMPConnection conn, Channel channel, ClientBW message) {
          log.trace("onClientBandwidth");
          // if the size is not equal to our write size send a server bw control message
          int bandwidth = message.getBandwidth();
          if (bandwidth != bytesWrittenWindow) {
              ServerBW serverBw = new ServerBW(bandwidth);
              channel.write(serverBw);
          }
      }
docs: {@inheritDoc}