public synchronized void start(String publishName, String publishMode, Object[] params) {
setState(CONNECTING);
this.publishName = publishName;
this.publishMode = publishMode;
rtmpClient = new RTMPClient();
Map<String, Object> defParams = rtmpClient.makeDefaultConnectionParams(host, port, app);
rtmpClient.connect(host, port, defParams, this, params);
}
