Bit of tidying

audiohandler.cpp

@@ -602,7 +602,11 @@ void audioHandler::incomingAudio(audioPacket inPacket)
 		QByteArray outPacket((setup.samplerate / 50) *  sizeof(qint16) * setup.radioChan, (char)0xff); // Preset the output buffer size.
 		qint16* out = (qint16*)outPacket.data();
 		int nSamples = opus_packet_get_nb_samples(in, livePacket.data.size(),setup.samplerate);
-		if (nSamples != setup.samplerate / 50)
+		if (nSamples == -1) {
+			// No opus data yet?
+			return;
+		} 
+		else if (nSamples != setup.samplerate / 50)
 		{
 			qInfo(logAudio()) << "Opus nSamples=" << nSamples << " expected:" << (setup.samplerate / 50);
 			return;

udpserver.cpp

@@ -3,6 +3,7 @@
 
 #define STALE_CONNECTION 15
 #define LOCK_PERIOD 10 // time to attempt to lock Mutex in ms
+#define AUDIO_SEND_PERIOD 20 // how often to call the RX audio send function in ms
 udpServer::udpServer(SERVERCONFIG config, audioSetup outAudio, audioSetup inAudio) :
     config(config),
     outAudio(outAudio),
@@ -356,7 +357,7 @@ void udpServer::controlReceived()
                     rxAudioTimer = new QTimer();
                     rxAudioTimer->setTimerType(Qt::PreciseTimer);
                     connect(rxAudioTimer, &QTimer::timeout, this, std::bind(&udpServer::sendRxAudio, this));
-                    rxAudioTimer->start(20);
+                    rxAudioTimer->start(AUDIO_SEND_PERIOD);
                 }
 
             }
@@ -1276,8 +1277,6 @@ void udpServer::sendTokenResponse(CLIENT* c, quint8 type)
     return;
 }
 
-#define PURGE_SECONDS 60
-
 void udpServer::watchdog()
 {
     QDateTime now = QDateTime::currentDateTime();