server sendet variable Blocklängen

include/ITANetAudioStreamingServer.h

@@ -64,7 +64,7 @@ public:
 	~CITANetAudioStreamingServer();
 
 	//! Start to listen on a socket (blocking)
-	bool Start( const std::string& sAddress, const int iPort, const double dTimeIntervalCientSendStatus );
+	bool Start(const std::string& sAddress, const int iPort, const double dTimeIntervalCientSendStatus);
 	bool IsClientConnected() const;
 	std::string GetNetworkAddress() const;
 	int GetNetworkPort() const;
@@ -77,6 +77,9 @@ public:
 	int GetNetStreamNumberOfChannels() const;
 	double GetNetStreamSampleRate() const;
 
+	int GetSendingBlockLength() const;
+	void SetSendingBlockLength( const int iSendingBlockLength );
+
 	void SetAutomaticUpdateRate();
 
 	void SetTargetLatencySamples( const int iTargetLatency );
@@ -108,6 +111,7 @@ private:
 	int m_iEstimatedClientRingBufferFreeSamples;
 	int m_iTargetLatencySamples;
 	int m_iMaxSendBlocks;
+	int m_iSendingBlockLength;
 	double m_dLastTimeStamp;
 
 	friend class CITANetAudioServer;

src/ITANetAudioStreamingServer.cpp

@@ -81,7 +81,7 @@ CITANetAudioStreamingServer::~CITANetAudioStreamingServer()
 	vstr::out() << "[ ITANetAudioStreamingServer ] Try-read access statistics: " << m_swTryReadAccessStats.ToString() << std::endl;
 }
 
-bool CITANetAudioStreamingServer::Start( const std::string& sAddress, int iPort, double dTimeIntervalCientSendStatus )
+bool CITANetAudioStreamingServer::Start(const std::string& sAddress, int iPort, double dTimeIntervalCientSendStatus)
 {
 	if( !m_pInputStream )
 		ITA_EXCEPT1( MODAL_EXCEPTION, "Can not start server without a valid input stream" );
@@ -128,6 +128,8 @@ bool CITANetAudioStreamingServer::Start( const std::string& sAddress, int iPort,
 	m_pMessage->WriteDouble( dTimeIntervalCientSendStatus );
 	m_pMessage->WriteMessage();
 
+
+	m_iSendingBlockLength = m_pInputStream->GetBlocklength();
 	m_sfTempTransmitBuffer.init( m_pInputStream->GetNumberOfChannels(), m_oServerParams.iRingBufferSize, true );
 
 
@@ -147,28 +149,27 @@ bool CITANetAudioStreamingServer::LoopBody()
 	oLog.iTransmittedSamples = 0;
 	
 	// Sending Samples
-	int iBlockLength = m_pInputStream->GetBlocklength();
 	int iEstimatedClientRingBufferTargetLatencyFreeSamples = m_iEstimatedClientRingBufferFreeSamples - ( m_oServerParams.iRingBufferSize - m_iTargetLatencySamples );
 
-	if( iEstimatedClientRingBufferTargetLatencyFreeSamples >= iBlockLength )
+	if (iEstimatedClientRingBufferTargetLatencyFreeSamples >= m_iSendingBlockLength)
 	{
 		// Send Samples
-		int iSendBlocks = iEstimatedClientRingBufferTargetLatencyFreeSamples / iBlockLength;
+		int iSendBlocks = iEstimatedClientRingBufferTargetLatencyFreeSamples / m_iSendingBlockLength;
 
 		// Besser wre vermutlich, gleich alle samples zu senden und nicht nur einen Block nach dem anderen
-		if( m_sfTempTransmitBuffer.GetLength() != iBlockLength )
-			m_sfTempTransmitBuffer.init( m_pInputStream->GetNumberOfChannels(), iBlockLength, false );
+		if (m_sfTempTransmitBuffer.GetLength() != m_iSendingBlockLength)
+			m_sfTempTransmitBuffer.init(m_pInputStream->GetNumberOfChannels(), m_iSendingBlockLength, false);
 
 		for( int j = 0; j < iSendBlocks; j++ )
 		{
 			for( int i = 0; i < int( m_pInputStream->GetNumberOfChannels() ); i++ )
 			{
 				ITAStreamInfo oStreamInfo;
-				oStreamInfo.nSamples = iBlockLength;
+				oStreamInfo.nSamples = m_iSendingBlockLength;
 
 				const float* pfData = m_pInputStream->GetBlockPointer( i, &oStreamInfo );
 				if( pfData != 0 )
-					m_sfTempTransmitBuffer[ i ].write( pfData, iBlockLength, 0 );
+					m_sfTempTransmitBuffer[i].write(pfData, m_iSendingBlockLength, 0);
 			}
 
 			m_pInputStream->IncrementBlockPointer();
@@ -177,7 +178,7 @@ bool CITANetAudioStreamingServer::LoopBody()
 			m_pMessage->SetMessageType( CITANetAudioProtocol::NP_SERVER_SENDING_SAMPLES );
 			m_pMessage->WriteSampleFrame( &m_sfTempTransmitBuffer );
 			m_pMessage->WriteMessage();
-			m_iEstimatedClientRingBufferFreeSamples -= iBlockLength;
+			m_iEstimatedClientRingBufferFreeSamples -= m_iSendingBlockLength;
 		}
 
 #ifdef NET_AUDIO_SHOW_TRAFFIC
@@ -266,6 +267,16 @@ int CITANetAudioStreamingServer::GetNetStreamBlocklength() const
 	return m_sfTempTransmitBuffer.GetLength();
 }
 
+int CITANetAudioStreamingServer::GetSendingBlockLength() const
+{
+	return m_iSendingBlockLength;
+}
+
+void CITANetAudioStreamingServer::SetSendingBlockLength(const int iSendingBlockLength)
+{
+	m_iSendingBlockLength = iSendingBlockLength;
+}
+
 int CITANetAudioStreamingServer::GetNetStreamNumberOfChannels() const
 {
 	return m_sfTempTransmitBuffer.channels();

tests/NetAudio/ITANetAudioStreamingServerTest.cpp

@@ -18,6 +18,7 @@ int g_iBlockLength = 32;
 int g_iChannels = 2;
 int g_iTargetLatencySamples = 4 * g_iBlockLength; // 1.4512ms
 int g_iRingBufferSize = 2 * g_iTargetLatencySamples;
+int g_iSendingBlockLength = 8;
 double g_dClientStatusMessageTimeout = 0.001; // seconds
 string g_sFileName = "gershwin-mono.wav";
 
@@ -34,13 +35,14 @@ int main( int argc, char** argv )
 			g_dSampleRate = strtod( argv[ 3 ], NULL );
 			g_iBlockLength = atoi( argv[ 4 ] );
 			g_iChannels = atoi( argv[ 5 ] );
-			g_iTargetLatencySamples = atoi( argv[ 6 ] );
-			g_iRingBufferSize = atoi( argv[ 7 ] );
+			g_iTargetLatencySamples = atoi(argv[6]);
+			g_iRingBufferSize = atoi(argv[7]);
+			g_iSendingBlockLength = atoi(argv[8]);
 		}
 	}
 	else
 	{
-		cout << "Syntax: ServerName ServerPort SampleRate BufferSize Channel TargetLatencySamples RingBufferSize" << endl;
+		cout << "Syntax: ServerName ServerPort SampleRate BufferSize Channel TargetLatencySamples RingBufferSize SnedingBlockLength" << endl;
 		cout << "Using default values ..." << endl;
 	}
 
@@ -71,6 +73,7 @@ int main( int argc, char** argv )
 
 	oStreamingServer.SetInputStream( &oMuliplier );
 	oStreamingServer.SetTargetLatencySamples( g_iTargetLatencySamples );
+	oStreamingServer.SetSendingBlockLength( g_iSendingBlockLength );
 
 	cout << "Starting net audio server and waiting for connections on '" << g_sServerName << "' on port " << g_iServerPort << endl;
 	oStreamingServer.Start( g_sServerName, g_iServerPort, g_dClientStatusMessageTimeout );