Set latency for tx and rx

udpserver.cpp

@@ -324,6 +324,7 @@ void udpServer::controlReceived()
                     outAudio.codec = current->txCodec;
                     outAudio.samplerate = current->txSampleRate;
                     outAudio.isinput = false;
+                    inAudio.latency = current->txBufferLen;
 
                     txaudio = new audioHandler();
                     txAudioThread = new QThread(this);