diff -r 000000000000 -r bde4ae8d615e os/mm/mmhais/refacladapt/src/shared/audiostreamadaptation.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/mm/mmhais/refacladapt/src/shared/audiostreamadaptation.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,142 @@
+// Copyright (c) 2006-2009 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:
+//
+
+#ifndef AUDIOSTREAMADAPTATION_H
+#define AUDIOSTREAMADAPTATION_H
+
+#include <e32base.h>
+#include <ecom/ecom.h>
+#include <badesca.h>
+#include <a3f/a3fbase.h>
+
+/**
+@publishedAll
+@released
+
+Implementation of the Audio Component Version
+
+*/
+
+class TAudioComponentInfo
+	{
+	TInt iVersion;
+	};
+
+/**
+@publishedAll
+@released
+
+Implementation of the Stream Adaptation
+
+*/
+
+class MAudioStreamAdaptationObserver;
+class CFourCCConvertor;
+class MLogicalChain;
+class MAudioContext;
+
+const TUid KAudioComponentManagerUid = {0x10283462};
+
+// Messages flags
+const TInt KServerStopping = 0x01;
+const TInt KPreemptionRequest = 0x02;
+
+/**
+@publishedAll
+@released
+
+This is the interface to AudioStreamAdaptation.
+This is represent the stream loaded when the MMRC server 
+selects the adaptation.
+
+This functionality includes audio playback and recording using different formats
+CAudioStreamAdaptation provides the access point for clients to Adaptation Layer.
+It is responsible for initializing connections to various subsystems
+in audio adaptation. These include setting up and managing connection 
+to the low level audio adaptation API implementations. The connections are then made
+available .
+*/
+class CAudioStreamAdaptation : public CBase
+	{
+
+public:
+
+	/**
+	Constructs, and returns a pointer to, a new CAudioComponentManager object.
+
+	@return A pointer to the CAudioComponentManager instance.
+	*/
+	static CAudioStreamAdaptation* NewL(TUid aType);
+
+	/**
+	Destructor.
+
+	Deletes all objects and releases all resource owned by this instance.
+	*/
+	virtual ~CAudioStreamAdaptation();
+
+
+	/**
+	Returns if a message was passed through the adaptation.
+	
+	@param MLogicalChain
+		Logical Current Chain
+	@param MLogicalChain
+		Desired Chain after message
+	@return An error code indicating if the function call was successful. KErrNone on success, otherwise
+		another of the system-wide error codes.
+	*/
+
+	virtual TInt Message(MLogicalChain& aCurrentChain, MLogicalChain& aDesiredChain, MAudioContext& aContext, TInt aFlags) = 0;
+
+	/**
+	Returns if a Audio Stream Observer was Registered.
+	
+	@param MAudioStreamAdaptationObserver
+		Observer object witch will be registered
+	@return An error code indicating if the function call was successful. KErrNone on success, otherwise
+		another of the system-wide error codes.
+	*/
+
+	virtual TInt RegisterAudioStreamObserver(MAudioStreamAdaptationObserver& aObserver) = 0 ;
+
+	/**
+	Returns if a Audio Stream Observer was UnRegistered.
+	
+	@param MAudioStreamAdaptationObserver
+		Observer object witch will be unregistered
+	*/
+
+	virtual void UnregisterAudioStreamObserver(MAudioStreamAdaptationObserver& aObserver) = 0;
+
+	virtual void UnregisterAllAudioStreamObserver() = 0;
+	
+	virtual void SetFourCC(const CFourCCConvertor& aFourCCConvertor) = 0;
+	
+	
+private:
+
+	/**	iDtor_ID_Key Instance identifier key. When instance	of an
+	*	implementation is created by ECOM framework, the
+	*	framework will assign UID for it. The UID is used in
+	*	destructor to notify framework that	this instance is
+	*	being destroyed	and	resources can be released.
+	*/
+	TUid iDtor_ID_Key;
+	};
+
+#include "audiostreamadaptation.inl"
+
+#endif // C_AUDIOCOMPONENTMANAGER_H