server runs on short blocks

src/channel.cpp

@@ -31,37 +31,42 @@
 int CChannelSet::GetFreeChan()
 {
 	/* look for a free channel */
-	for (int i = 0; i < MAX_NUM_CHANNELS; i++)
+	for ( int i = 0; i < MAX_NUM_CHANNELS; i++ )
+	{
+		if ( !vecChannels[i].IsConnected () )
 		{
-		if (!vecChannels[i].IsConnected())
 			return i;
 		}
+	}
 
 	/* no free channel found, return invalid ID */
 	return INVALID_CHANNEL_ID;
 }
 
-int CChannelSet::CheckAddr(const CHostAddress& Addr)
+int CChannelSet::CheckAddr ( const CHostAddress& Addr )
 {
 	CHostAddress InetAddr;
 
 	/* Check for all possible channels if IP is already in use */
-	for (int i = 0; i < MAX_NUM_CHANNELS; i++)
+	for ( int i = 0; i < MAX_NUM_CHANNELS; i++ )
     {
-		if (vecChannels[i].GetAddress(InetAddr))
+		if ( vecChannels[i].GetAddress ( InetAddr ) )
 		{
 			/* IP found, return channel number */
-			if (InetAddr == Addr)
+			if ( InetAddr == Addr )
+			{
 				return i;
 			}
 		}
+	}
 
 	/* IP not found, return invalid ID */
 	return INVALID_CHANNEL_ID;
 }
 
-bool CChannelSet::PutData(const CVector<unsigned char>& vecbyRecBuf,
+bool CChannelSet::PutData ( const CVector<unsigned char>& vecbyRecBuf,
-						  const int iNumBytesRead, const CHostAddress& HostAdr)
+						    const int iNumBytesRead,
+							const CHostAddress& HostAdr )
 {
 	Mutex.lock ();
 
@@ -106,64 +111,68 @@ bool CChannelSet::PutData(const CVector<unsigned char>& vecbyRecBuf,
 	return !bChanOK; /* return 1 if error */
 }
 
-void CChannelSet::GetBlockAllConC(CVector<int>& vecChanID,
+void CChannelSet::GetBlockAllConC ( CVector<int>& vecChanID,
-								  CVector<CVector<double> >& vecvecdData)
+								    CVector<CVector<double> >& vecvecdData )
 {
 	/* init temporal data vector and clear input buffers */
-	CVector<double>	vecdData(BLOCK_SIZE_SAMPLES);
+	CVector<double>	vecdData ( MIN_BLOCK_SIZE_SAMPLES );
 
-	vecChanID.Init(0);
+	vecChanID.Init ( 0 );
-	vecvecdData.Init(0);
+	vecvecdData.Init ( 0 );
 
 	/* make put and get calls thread safe. Do not forget to unlock mutex
 	   afterwards! */
-	Mutex.lock();
+	Mutex.lock ();
 
 	/* Check all possible channels */
-	for (int i = 0; i < MAX_NUM_CHANNELS; i++)
+	for ( int i = 0; i < MAX_NUM_CHANNELS; i++ )
 	{
 		/* read out all input buffers to decrease timeout counter on
 		   disconnected channels */
-		bool bGetOK = vecChannels[i].GetData(vecdData);
+		const bool bGetOK = vecChannels[i].GetData ( vecdData );
 
-		if (vecChannels[i].IsConnected())
+		if ( vecChannels[i].IsConnected () )
 		{
 			/* add ID and data */
-			vecChanID.Add(i);
+			vecChanID.Add ( i );
 
-			const int iOldSize = vecvecdData.Size();
+			const int iOldSize = vecvecdData.Size ();
-			vecvecdData.Enlarge(1);
+			vecvecdData.Enlarge ( 1 );
-			vecvecdData[iOldSize].Init(vecdData.Size());
+			vecvecdData[iOldSize].Init ( vecdData.Size () );
 			vecvecdData[iOldSize] = vecdData;
 
 			/* send message for get status (for GUI) */
-			if (bGetOK)
+			if ( bGetOK )
-				PostWinMessage(MS_JIT_BUF_GET, MUL_COL_LED_GREEN, i);
+			{
+				PostWinMessage ( MS_JIT_BUF_GET, MUL_COL_LED_GREEN, i );
+			}
 			else
-				PostWinMessage(MS_JIT_BUF_GET, MUL_COL_LED_RED, i);
+			{
+				PostWinMessage ( MS_JIT_BUF_GET, MUL_COL_LED_RED, i );
+			}
 		}
 	}
 
-	Mutex.unlock(); /* release mutex */
+	Mutex.unlock (); /* release mutex */
 }
 
-void CChannelSet::GetConCliParam(CVector<CHostAddress>& vecHostAddresses,
+void CChannelSet::GetConCliParam ( CVector<CHostAddress>& vecHostAddresses,
-								 CVector<double>& vecdSamOffs)
+								   CVector<double>& vecdSamOffs )
 {
 	CHostAddress InetAddr;
 
 	/* init return values */
-	vecHostAddresses.Init(MAX_NUM_CHANNELS);
+	vecHostAddresses.Init ( MAX_NUM_CHANNELS );
-	vecdSamOffs.Init(MAX_NUM_CHANNELS);
+	vecdSamOffs.Init ( MAX_NUM_CHANNELS );
 
 	/* Check all possible channels */
-	for (int i = 0; i < MAX_NUM_CHANNELS; i++)
+	for ( int i = 0; i < MAX_NUM_CHANNELS; i++ )
 	{
-		if (vecChannels[i].GetAddress(InetAddr))
+		if ( vecChannels[i].GetAddress ( InetAddr ) )
 		{
 			/* add new address and sample rate offset to vectors */
 			vecHostAddresses[i] = InetAddr;
-			vecdSamOffs[i] = vecChannels[i].GetResampleOffset();
+			vecdSamOffs[i] = vecChannels[i].GetResampleOffset ();
 		}
 	}
 }
@@ -195,7 +204,7 @@ CChannel::CChannel()
 	byTimeStampIdxCnt = 0;
 
 	/* init the socket buffer */
-	SetSockBufSize ( BLOCK_SIZE_SAMPLES, DEF_NET_BUF_SIZE_NUM_BL );
+	SetSockBufSize ( MIN_BLOCK_SIZE_SAMPLES, DEF_NET_BUF_SIZE_NUM_BL );
 
 	/* init conversion buffer */
 	ConvBuf.Init ( BLOCK_SIZE_SAMPLES );

src/global.h

@@ -42,7 +42,7 @@
 
 /* version and application name */
 #ifndef VERSION
-# define VERSION						"0.9.2cvs"
+# define VERSION						"0.9.3cvs"
 #endif
 #define APP_NAME						"llcon"
 
@@ -72,14 +72,14 @@
 #define SND_CRD_BLOCK_SIZE_SAMPLES		(BLOCK_DURATION_MS * SND_CRD_SAMPLE_RATE / 1000)
 
 /* maximum network buffer size (which can be chosen by slider) */
-#define MAX_NET_BUF_SIZE_NUM_BL			10 /* number of blocks */
+#define MAX_NET_BUF_SIZE_NUM_BL			12 /* number of blocks */
 
 /* default network buffer size */
-#define DEF_NET_BUF_SIZE_NUM_BL			2 /* number of blocks */
+#define DEF_NET_BUF_SIZE_NUM_BL			5 /* number of blocks */
 
 // number of ticks of audio in/out buffer sliders
 #ifdef _WIN32
-# define AUD_SLIDER_LENGTH				15
+# define AUD_SLIDER_LENGTH				30
 #else
 # define AUD_SLIDER_LENGTH				6
 #endif

src/llconserverdlg.cpp

@@ -153,7 +153,7 @@ void CLlconServerDlg::OnTimer()
 
 void CLlconServerDlg::OnSliderNetBuf(int value)
 {
-	pServer->GetChannelSet()->SetSockBufSize( BLOCK_SIZE_SAMPLES, value );
+	pServer->GetChannelSet()->SetSockBufSize( MIN_BLOCK_SIZE_SAMPLES, value );
 	TextNetBuf->setText("Size: " + QString().setNum(value));
 }
 

src/server.cpp

@@ -26,39 +26,40 @@
 
 
 /* Implementation *************************************************************/
-CServer::CServer() : Socket(&ChannelSet)
+CServer::CServer () : Socket ( &ChannelSet )
 {
-	vecsSendData.Init(BLOCK_SIZE_SAMPLES);
+	vecsSendData.Init ( MIN_BLOCK_SIZE_SAMPLES );
 
 	/* init moving average buffer for response time evaluation */
-	RespTimeMoAvBuf.Init(LEN_MOV_AV_RESPONSE);
+	RespTimeMoAvBuf.Init ( LEN_MOV_AV_RESPONSE );
 
 	/* connect timer timeout signal */
-	QObject::connect(&Timer, SIGNAL(timeout()),	this, SLOT(OnTimer()));
+	QObject::connect ( &Timer, SIGNAL ( timeout () ),
+		this, SLOT ( OnTimer () ) );
 }
 
-void CServer::Start()
+void CServer::Start ()
 {
 	if ( !IsRunning () )
 	{
 		/* start main timer */
-		Timer.start(BLOCK_DURATION_MS);
+		Timer.start ( MIN_BLOCK_DURATION_MS );
 
 		/* init time for response time evaluation */
-		TimeLastBlock = QTime::currentTime();
+		TimeLastBlock = QTime::currentTime ();
 	}
 }
 
-void CServer::Stop()
+void CServer::Stop ()
 {
 	/* stop main timer */
-	Timer.stop();
+	Timer.stop ();
 }
 
-void CServer::OnTimer()
+void CServer::OnTimer ()
 {
 	CVector<int>				vecChanID;
-	CVector<CVector<double> >	vecvecdData ( BLOCK_SIZE_SAMPLES );
+	CVector<CVector<double> >	vecvecdData ( MIN_BLOCK_SIZE_SAMPLES );
 
 	/* get data from all connected clients */
 	ChannelSet.GetBlockAllConC ( vecChanID, vecvecdData );
@@ -87,8 +88,8 @@ void CServer::OnTimer()
 
 		/* we want to calculate the standard deviation (we assume that the mean
 		   is correct at the block period time) */
-		const double dCurAddVal =
+		const double dCurAddVal = ( (double) TimeLastBlock.msecsTo ( CurTime ) -
-			( (double) TimeLastBlock.msecsTo ( CurTime ) - BLOCK_DURATION_MS );
+			MIN_BLOCK_DURATION_MS );
 
 		RespTimeMoAvBuf.Add ( dCurAddVal * dCurAddVal ); /* add squared value */
 
@@ -110,7 +111,7 @@ void CServer::OnTimer()
 CVector<short> CServer::ProcessData ( CVector<CVector<double> >& vecvecdData )
 {
 	CVector<short> vecsOutData;
-	vecsOutData.Init ( BLOCK_SIZE_SAMPLES );
+	vecsOutData.Init ( MIN_BLOCK_SIZE_SAMPLES );
 
 	const int iNumClients = vecvecdData.Size ();
 
@@ -119,7 +120,7 @@ CVector<short> CServer::ProcessData ( CVector<CVector<double> >& vecvecdData )
 	const double dNorm = sqrt ( (double) iNumClients );
 
 	/* mix all audio data from all clients together */
-	for ( int i = 0; i < BLOCK_SIZE_SAMPLES; i++ )
+	for ( int i = 0; i < MIN_BLOCK_SIZE_SAMPLES; i++ )
 	{
 		double dMixedData = 0.0;