diff -r 000000000000 -r 40261b775718 devsound/a3fdevsound/src/mmfdevsoundserver/MmfDevSoundCIDeMuxUtility.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/a3fdevsound/src/mmfdevsoundserver/MmfDevSoundCIDeMuxUtility.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,70 @@
+// Copyright (c) 2005-2009 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:
+// MMFDevSoundCIDeMuxUtility.cpp
+// 
+//
+
+#ifndef MMFDEVSOUNDCIDEMUXUTILITY_H
+#define MMFDEVSOUNDCIDEMUXUTILITY_H
+
+#include <f32file.h>
+#include <e32math.h>
+#include <s32mem.h> 
+#include "mmfdevsoundserverstart.h"
+#include "mmfaudioclientserver.h"
+#include <mmf/server/mmfdevsoundcustominterface.h>
+
+
+/**
+* @internalTechnology
+* @file
+*/
+
+class CMMFDevSoundCIDeMuxUtility;
+NONSHARABLE_CLASS( CMMFDevSoundCIDeMuxUtility ) :  public CBase,
+												   public MMMFDevSoundCustomInterfaceDeMuxUtility
+	{
+public:
+	static CMMFDevSoundCIDeMuxUtility* NewL(MMMFDevSoundCustomInterfaceDeMuxInterface* aInterface);
+	virtual ~CMMFDevSoundCIDeMuxUtility();
+	void ConstructL();
+
+	// create a custom interface Mux implementation
+	MMMFDevSoundCustomInterfaceDeMuxPlugin* CreateCustomInterfaceDeMuxL(TUid aInterfaceId);
+	
+	// check and process custom commands
+	TInt ProcessCustomInterfaceCommandL(const RMmfIpcMessage& aMessage);
+	
+	// utility functions from MMMFDevSoundCustomInterfaceDeMuxUtility
+	// get all settings at once into client supplied package
+	virtual void GetSyncMessageDataL(const RMmfIpcMessage& aMessage, TMMFDevSoundCIMessageData& aData);
+	virtual void GetAsyncMessageDataL(const RMmfIpcMessage& aMessage, TMMFDevSoundCIMessageData& aData);
+	
+	// read and write to input and output descriptors
+	virtual TInt InputDesLength(const RMmfIpcMessage& aMessage);
+	virtual void ReadFromInputDesL(const RMmfIpcMessage& aMessage, TDes8* aBufToFill);
+	virtual void WriteToOutputDesL(const RMmfIpcMessage& aMessage, TDesC8& aBufToWrite);
+	
+	// message related
+	virtual void CompleteMessage(const RMmfIpcMessage& aMessage, TInt aError);
+private:
+	CMMFDevSoundCIDeMuxUtility(MMMFDevSoundCustomInterfaceDeMuxInterface* aInterface);
+	MMMFDevSoundCustomInterfaceDeMuxInterface* iInterface;
+	};
+
+
+
+
+
+#endif