removed sample rate offset estimation for now

src/channel.cpp

@@ -157,14 +157,12 @@ void CChannelSet::GetBlockAllConC ( CVector<int>& vecChanID,
 }
 
 void CChannelSet::GetConCliParam ( CVector<CHostAddress>& vecHostAddresses,
-								   CVector<double>& vecdSamOffs,
 								   CVector<int>& veciJitBufSize )
 {
 	CHostAddress InetAddr;
 
 	/* init return values */
 	vecHostAddresses.Init ( MAX_NUM_CHANNELS );
-	vecdSamOffs.Init ( MAX_NUM_CHANNELS );
 	veciJitBufSize.Init ( MAX_NUM_CHANNELS );
 
 	/* Check all possible channels */
@@ -174,7 +172,6 @@ void CChannelSet::GetConCliParam ( CVector<CHostAddress>& vecHostAddresses,
 		{
 			/* add new address and sample rate offset to vectors */
 			vecHostAddresses[i] = InetAddr;
-			vecdSamOffs[i] = vecChannels[i].GetResampleOffset ();
 			veciJitBufSize[i] = vecChannels[i].GetSockBufSize ();
 		}
 	}
@@ -200,9 +197,6 @@ for ( int i = 0; i < MAX_NUM_CHANNELS; i++ )
 \******************************************************************************/
 CChannel::CChannel ()
 {
-	/* init time stamp activation counter */
-	iTimeStampActCnt = NUM_BL_TIME_STAMPS;
-
 	/* init time stamp index counter */
 	byTimeStampIdxCnt = 0;
 
@@ -219,9 +213,6 @@ CChannel::CChannel ()
 	/* init time-out for the buffer with zero -> no connection */
 	iConTimeOut = 0;
 
-	/* init sample rate offset estimation object */
-	SampleOffsetEst.Init();
-
 
 	/* connections ---------------------------------------------------------- */
 	// just route message through this class
@@ -287,11 +278,6 @@ for (int i = 0; i < BLOCK_SIZE_SAMPLES; i++)
 		/* reset time-out counter */
 		iConTimeOut = CON_TIME_OUT_CNT_MAX;
 	}
-	else if ( iNumBytes == 1 )
-	{
-		/* time stamp packet */
-		SampleOffsetEst.AddTimeStampIdx ( vecbyData[0] );
-	}
 	else
 	{
 
@@ -322,13 +308,6 @@ bool CChannel::GetData ( CVector<double>& vecdData )
 		if ( iConTimeOut > 0 )
 		{
 			iConTimeOut--;
-
-			/* if time out is reached, re-init resample offset estimation
-			   module */
-			if ( iConTimeOut == 0 )
-			{
-				SampleOffsetEst.Init ();
-			}
 		}
 	}
 
@@ -355,25 +334,6 @@ CVector<unsigned char> CChannel::PrepSendPacket(const CVector<short>& vecsNPacke
 	return vecbySendBuf;
 }
 
-int CChannel::GetTimeStampIdx ()
-{
-	/* only send time stamp index after a pre-defined number of packets */
-	if ( iTimeStampActCnt > 0 )
-	{
-		iTimeStampActCnt--;
-		return INVALID_TIME_STAMP_IDX;
-	}
-	else
-	{
-		/* reset time stamp activation counter */
-		iTimeStampActCnt = NUM_BL_TIME_STAMPS - 1;
-
-		/* wraps around automatically */
-		byTimeStampIdxCnt++;
-		return byTimeStampIdxCnt;
-	}
-}
-
 
 /******************************************************************************\
 * CSampleOffsetEst                                                             *

src/channel.h

@@ -48,9 +48,6 @@
 /* no valid channel number */
 #define INVALID_CHANNEL_ID		(MAX_NUM_CHANNELS + 1)
 
-/* no valid time stamp index */
-#define INVALID_TIME_STAMP_IDX	-1
-
 
 /* Classes ********************************************************************/
 class CSampleOffsetEst
@@ -91,9 +88,7 @@ public:
 
 	bool IsConnected () const { return iConTimeOut > 0; }
 
-	int GetTimeStampIdx ();
 	int	GetComprAudSize () { return iAudComprSize; }
-	double GetResampleOffset () { return SampleOffsetEst.GetSamRate (); }
 
 	void SetAddress ( const CHostAddress NAddr ) { InetAddr = NAddr; }
 	bool GetAddress ( CHostAddress& RetAddr );
@@ -119,8 +114,6 @@ protected:
 	CVector<double>	vecdResInData;
 	CVector<double>	vecdResOutData;
 
-	CSampleOffsetEst SampleOffsetEst;
-
 	/* connection parameters */
 	CHostAddress InetAddr;
 
@@ -162,7 +155,6 @@ public:
 	void GetBlockAllConC(CVector<int>& vecChanID,
 						 CVector<CVector<double> >& vecvecdData);
 	void GetConCliParam(CVector<CHostAddress>& vecHostAddresses,
-						CVector<double>& vecdSamOffs,
 						CVector<int>& veciJitBufSize);
 
 	/* access functions for actual channels */
@@ -173,8 +165,6 @@ public:
 		{return vecChannels[iChanNum].PrepSendPacket(vecsNPacket);}
 	CHostAddress GetAddress(const int iChanNum)
 		{return vecChannels[iChanNum].GetAddress();}
-	int GetTimeStampIdx(const int iChanNum)
-		{return vecChannels[iChanNum].GetTimeStampIdx();}
 
 	void SetSockBufSize ( const int iNewBlockSize, const int iNumBlocks);
 	int GetSockBufSize() {return vecChannels[0].GetSockBufSize();}

src/client.cpp

@@ -31,24 +31,19 @@ CClient::CClient () : bRun ( false ), Socket ( &Channel ),
 		iReverbLevel ( AUD_REVERB_MAX / 6 ),
 		bReverbOnLeftChan ( false )
 {
+	// connection for protocol
 	QObject::connect ( &Channel, SIGNAL ( MessReadyForSending () ),
 		this, SLOT ( OnSendProtMessage () ) );
 }
 
 void CClient::OnSendProtMessage ()
 {
-
 	// the protocol queries me to call the function to send the message
 	// send it through the network
 	Socket.SendPacket ( Channel.GetSendMessage (),
-		Channel.GetAddress(), Channel.GetTimeStampIdx() );
+		Channel.GetAddress () );
-
-
-
 }
 
-
-
 bool CClient::SetServerAddr(QString strNAddr)
 {
 	QHostAddress InetAddr;
@@ -205,7 +200,7 @@ void CClient::run()
 
 		/* send it through the network */
 		Socket.SendPacket ( Channel.PrepSendPacket ( vecsNetwork ),
-			Channel.GetAddress(), Channel.GetTimeStampIdx());
+			Channel.GetAddress () );
 
 		/* receive a new block */
 		if (Channel.GetData(vecdNetwData))

src/llconclientdlg.cpp

@@ -67,9 +67,6 @@ CLlconClientDlg::CLlconClientDlg ( CClient* pNCliP, QWidget* parent,
 	/* init status label */
 	OnTimerStatus ();
 
-	/* init sample rate offset label */
-	TextSamRateOffsValue->setText ( "0 Hz" );
-
 	/* init connection button text */
 	PushButtonConnect->setText ( CON_BUT_CONNECTTEXT );
 
@@ -289,11 +286,6 @@ void CLlconClientDlg::OnTimerStatus ()
 		TextLabelStatus->setText ( tr ( "disconnected" ) );
 	}
 
-	/* update sample rate offset label */
-	QString strSamRaOffs;
-	strSamRaOffs.setNum(pClient->GetChannel()->GetResampleOffset(), 'f', 2);
-	TextSamRateOffsValue->setText(strSamRaOffs + " Hz");
-
 	/* response time */
 	TextLabelStdDevTimer->setText(QString().
 		setNum(pClient->GetTimingStdDev(), 'f', 2) + " ms");

src/llconclientdlgbase.ui

@@ -1049,45 +1049,6 @@
                         </widget>
                     </hbox>
                 </widget>
-                <widget>
-                    <class>QLayoutWidget</class>
-                    <property stdset="1">
-                        <name>name</name>
-                        <cstring>Layout18</cstring>
-                    </property>
-                    <hbox>
-                        <property stdset="1">
-                            <name>margin</name>
-                            <number>0</number>
-                        </property>
-                        <property stdset="1">
-                            <name>spacing</name>
-                            <number>6</number>
-                        </property>
-                        <widget>
-                            <class>QLabel</class>
-                            <property stdset="1">
-                                <name>name</name>
-                                <cstring>TextLabelSamOffset</cstring>
-                            </property>
-                            <property stdset="1">
-                                <name>text</name>
-                                <string>Fs Offs:</string>
-                            </property>
-                        </widget>
-                        <widget>
-                            <class>QLabel</class>
-                            <property stdset="1">
-                                <name>name</name>
-                                <cstring>TextSamRateOffsValue</cstring>
-                            </property>
-                            <property stdset="1">
-                                <name>text</name>
-                                <string>24000.00 Hz</string>
-                            </property>
-                        </widget>
-                    </hbox>
-                </widget>
             </vbox>
         </widget>
     </hbox>

src/llconserverdlg.cpp

@@ -56,8 +56,6 @@ CLlconServerDlg::CLlconServerDlg ( CServer* pNServP, QWidget* parent,
 	ListViewClients->setColumnAlignment(2, Qt::AlignCenter);
 	ListViewClients->addColumn(tr("Jitter buffer size"));
 	ListViewClients->setColumnAlignment(3, Qt::AlignRight);
-	ListViewClients->addColumn(tr("Sample-rate offset [Hz]"));
-	ListViewClients->setColumnAlignment(4, Qt::AlignRight);
 	ListViewClients->clear();
 
 	/* insert items in reverse order because in Windows all of them are
@@ -108,13 +106,12 @@ CLlconServerDlg::CLlconServerDlg ( CServer* pNServP, QWidget* parent,
 void CLlconServerDlg::OnTimer()
 {
 	CVector<CHostAddress>	vecHostAddresses;
-	CVector<double>			vecdSamOffs;
 	CVector<int>			veciJitBufSize;
 	double					dCurTiStdDev;
 
 	ListViewMutex.lock();
 
-	pServer->GetConCliParam(vecHostAddresses, vecdSamOffs, veciJitBufSize);
+	pServer->GetConCliParam(vecHostAddresses, veciJitBufSize);
 
 	/* fill list with connected clients */
 	for (int i = 0; i < MAX_NUM_CHANNELS; i++)
@@ -130,11 +127,6 @@ void CLlconServerDlg::OnTimer()
 			vecpListViewItems[i]->setText(3,
 				QString().setNum(veciJitBufSize[i]));
 
-			/* sample rate offset */
-// FIXME disable sample rate estimation result label since estimation does not work
-//			vecpListViewItems[i]->setText(4,
-//				QString().sprintf("%5.2f", vecdSamOffs[i]));
-
 #ifndef _WIN32
 			vecpListViewItems[i]->setVisible ( true );
 #endif

src/server.cpp

@@ -87,8 +87,7 @@ void CServer::OnTimer ()
 		{
 			Socket.SendPacket (
 				ChannelSet.PrepSendPacket ( vecChanID[i], vecsSendData ),
-				ChannelSet.GetAddress ( vecChanID[i] ),
+				ChannelSet.GetAddress ( vecChanID[i] ) );
-				ChannelSet.GetTimeStampIdx ( vecChanID[i] ) );
 		}
 
 

src/server.h

@@ -49,9 +49,9 @@ public:
 	void Stop ();
 	bool IsRunning() { return Timer.isActive (); }
 	void GetConCliParam ( CVector<CHostAddress>& vecHostAddresses,
-		CVector<double>& vecdSamOffs, CVector<int>& veciJitBufSize )
+		CVector<int>& veciJitBufSize )
 	{
-		ChannelSet.GetConCliParam ( vecHostAddresses, vecdSamOffs,
+		ChannelSet.GetConCliParam ( vecHostAddresses,
 			veciJitBufSize );
 	}
 

src/socket.cpp

@@ -67,8 +67,7 @@ void CSocket::Init ()
 }
 
 void CSocket::SendPacket ( const CVector<unsigned char>& vecbySendBuf,
-						  const CHostAddress& HostAddr,
+						   const CHostAddress& HostAddr )
-						  const int iTimeStampIdx )
 {
 	const int iVecSizeOut = vecbySendBuf.Size ();
 
@@ -79,14 +78,6 @@ void CSocket::SendPacket( const CVector<unsigned char>& vecbySendBuf,
 			(const char*) &( (CVector<unsigned char>) vecbySendBuf )[0],
 			iVecSizeOut, HostAddr.InetAddr, HostAddr.iPort );
 	}
-
-	/* sent time stamp if required */
-	if ( iTimeStampIdx != INVALID_TIME_STAMP_IDX )
-	{
-		/* Always one byte long */
-		SocketDevice.writeBlock ( (const char*) &iTimeStampIdx, 1,
-			HostAddr.InetAddr, HostAddr.iPort );
-	}
 }
 
 void CSocket::OnDataReceived ()

src/socket.h

@@ -57,7 +57,7 @@ public:
 	virtual ~CSocket() {}
 
 	void SendPacket ( const CVector<unsigned char>& vecbySendBuf,
-					const CHostAddress& HostAddr, const int iTimeStampIdx);
+					  const CHostAddress& HostAddr );
 
 protected:
 	void Init();