diff -r 000000000000 -r 79dd3e2336a0 mmhais/a3facl/src/buffersource/logicalbuffersource.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmhais/a3facl/src/buffersource/logicalbuffersource.cpp	Fri Oct 08 19:40:43 2010 +0100
@@ -0,0 +1,176 @@
+// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Name        : logicalbuffersource.cpp
+// Part of     : ACL Logical Layer
+//
+
+
+
+#include "logicalbuffersource.h"
+#include <a3f/audioprocessingunittypeuids.h>
+#include <ecom/implementationproxy.h> // For making it ECom plugin
+
+// Map the interface implementation UIDs to implementation factory functions
+const TImplementationProxy ImplementationTable[] =
+	{
+	IMPLEMENTATION_PROXY_ENTRY(KMmfBufferSourceUid,  CLogicalBufferSource::NewL),
+	};
+
+// Exported proxy for instantiation method resolution.
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
+	{
+	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
+	return ImplementationTable;
+	}
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CLogicalBufferSource::CLogicalBufferSource(TAny* aParam) : CAudioProcessingUnit(aParam)
+	{
+	TRACE_CREATE();
+	DP_CONTEXT(CLogicalBufferSource::CLogicalBufferSource *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// Factory method
+// ---------------------------------------------------------------------------
+//
+CLogicalBufferSource* CLogicalBufferSource::NewL(TAny* aParameters)
+	{
+	DP_STATIC_CONTEXT(CLogicalBufferSource::NewL *CD0*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	CLogicalBufferSource* self = new(ELeave)CLogicalBufferSource(aParameters);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	DP0_RET(self, "0x%x");
+	}
+
+// ---------------------------------------------------------------------------
+// Second phase constructor
+// ---------------------------------------------------------------------------
+//
+void CLogicalBufferSource::ConstructL()
+	{
+	DP_CONTEXT(CLogicalBufferSource::ConstructL *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CLogicalBufferSource::~CLogicalBufferSource()
+	{
+	DP_CONTEXT(CLogicalBufferSource::~CLogicalBufferSource *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	DP_OUT();
+	}
+
+// from MMMFBufferSource
+// ---------------------------------------------------------------------------
+// CLogicalBufferSource::SetDataSupplier
+// ---------------------------------------------------------------------------
+//  
+TInt CLogicalBufferSource::SetDataSupplier(MMMFAudioDataSupplier& aSupplier)
+	{
+	DP_CONTEXT(CLogicalBufferSource::SetDataSupplier *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TInt err = KErrNone;
+	iSupplier = &aSupplier;
+	DP0_RET(err, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// CLogicalBufferSource::BufferFilled
+// ---------------------------------------------------------------------------
+//  
+TInt CLogicalBufferSource::BufferFilled(CMMFBuffer* aBuffer)
+	{
+	DP_CONTEXT(CLogicalBufferSource::BufferFilled *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TInt err = KErrNone;
+	err = iAdaptationBufferSource->BufferFilled(aBuffer);
+	DP0_RET(err, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// CLogicalBufferSource::BuffersDiscarded
+// ---------------------------------------------------------------------------
+//  
+TInt CLogicalBufferSource::BuffersDiscarded()
+	{
+	DP_CONTEXT(CLogicalBufferSource::BuffersDiscarded *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TInt err = KErrNone;
+	err = iAdaptationBufferSource->BuffersDiscarded();
+	DP0_RET(err, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// CLogicalBufferSource::IsTypeOf
+// ---------------------------------------------------------------------------
+//  
+TBool CLogicalBufferSource::IsTypeOf(TUid aTypeId) const
+	{
+	DP_CONTEXT(CLogicalBufferSource::IsTypeOf *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TBool result = EFalse;
+	if (iType == aTypeId)
+		{
+		result = ETrue;
+		}
+	DP0_RET(result, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// CLogicalBufferSource::Interface
+// ---------------------------------------------------------------------------
+// 
+TAny* CLogicalBufferSource::Interface(TUid aType)
+	{
+	DP_CONTEXT(CLogicalBufferSource::Interface *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TAny* interface = NULL;
+	if(aType==KUidMmfBufferSource)
+		{
+		interface = static_cast<MMMFBufferSource*>(this);
+		}
+	DP0_RET(interface, "%d");
+	}
+
+// From MMMFAudioDataSupplier
+// ---------------------------------------------------------------------------
+// CLogicalBufferSource::BufferToBeFilled
+// ---------------------------------------------------------------------------
+// 
+void CLogicalBufferSource::BufferToBeFilled(MMMFBufferSource* /*aSource*/, CMMFBuffer* aBuffer)
+	{
+	iSupplier->BufferToBeFilled(this, aBuffer);
+	}
+
+// ---------------------------------------------------------------------------
+// CLogicalBufferSource::DiscardBuffers
+// ---------------------------------------------------------------------------
+// 
+void CLogicalBufferSource::DiscardBuffers(MMMFBufferSource* /*aSource*/)
+	{
+	iSupplier->DiscardBuffers(this);
+	}
+
+// end of file