diff -r 000000000000 -r ed9695c8bcbe vtprotocols/inc/caudioconfighandler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtprotocols/inc/caudioconfighandler.h	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,100 @@
+/*
+* Copyright (c) 2004-2006 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 CAUDIOCONFIGHANDLER_H
+#define CAUDIOCONFIGHANDLER_H
+NONSHARABLE_CLASS( TAudioConfigHandler ) : public MPVAudioOutputControlObserver
+    {
+    public:
+        /**
+         * Constructor.
+         */
+        TAudioConfigHandler( MVtProtocolHandler* aProtocolHandler);
+
+        /** 
+        *  Signals completion of the audio output control command.
+        *  @param aId The command id of the completed command.
+        *  @param aCmd The command type.
+        *  @param aContextData The context data passed in with the command.
+        *  @param aStatus The command completion status.
+        **/
+        virtual void AudioOutputControlCommandComplete(TPVCommandId aId
+                ,TPVAudioOutputControlCommand aCmd
+                ,TAny *aContextData
+                ,TInt aStatus);
+    private:
+        MVtProtocolHandler* iProtocolHandler;
+    };
+    
+NONSHARABLE_CLASS( CAudioConfigCommand ) : public CBase,
+                            public MVtAudioConfigCommand
+    {
+    public:
+        
+        /**
+         * Constructor.
+         */
+        CAudioConfigCommand(MPVAudioOutputControl* aAudioCtrl);
+        
+        /**
+         * Destructor.
+         */
+        ~CAudioConfigCommand();
+
+        /**
+         * Method to set the playback volume to the specified value.
+         *
+         * This is a pure virtual function that each derived class must implement.
+         * It is also an asynchronous function which will be answered with a callback.
+         * 
+         * @param aNewVolume
+         *        An input parameter to hold the value for the requested playback volume.  
+         *
+         * @returns   TInt
+         *            Returns a command ID that can be used to identify a command completion result with corresponding request.
+         */
+        virtual TInt SetAudioVolumeL(TInt aVolume);
+
+        /**
+         * Method to get the maximum valid value for the playback volume.
+         *
+         * This is a pure virtual function that each derived class must implement.
+         * It is also an asynchronous function which will be answered with a callback.
+         * 
+         * @param aMaxVolume
+         *        An output parameter to hold the value for the maximum valid playback volume.  
+         *            Note that the parameter should not be used until the callback indicates that the 
+         *            method has completed.
+         *
+         * @returns   TInt
+         *            Returns a command ID that can be used to identify a command completion result with corresponding request.
+         */
+        virtual TInt GetMaxAudioVolumeL(TInt& aMaxVolume);
+
+        /**
+         * This API allows the user to specify observers for the 324m interface.
+         *
+         * @param aHandler     
+         **/
+        virtual void SetObserverL(MVtProtocolHandler* aHandler);
+    private:
+        MPVAudioOutputControl* iAudioCtrl;
+        TAudioConfigHandler* iAudioConfigHandler;
+    };
+#endif
+//  End of File