diff -r 453dfc402455 -r 0aa8cc770c8a mtpdataproviders/mtpplaybackcontroldp/mtpplaybackinterface/inc/cmtpplaybackparam.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpdataproviders/mtpplaybackcontroldp/mtpplaybackinterface/inc/cmtpplaybackparam.h	Tue Aug 31 16:03:15 2010 +0300
@@ -0,0 +1,104 @@
+// Copyright (c) 2010 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:
+//
+
+/**
+ @file
+ @internalComponent
+*/
+
+#ifndef CMTPPLAYBACKPARAM_H
+#define CMTPPLAYBACKPARAM_H
+
+#include "mtpdebug.h"
+
+/**
+ Category identifier
+*/
+enum TMTPPbCategory
+    {
+    /** Init value **/
+    EMTPPbCatNone=0,
+    /** SingleMusic **/
+    EMTPPbCatMusic=1,
+    /** PlayList**/
+    EMTPPbCatPlayList = 2,
+    /** Ablum **/
+    EMTPPbCatAlbum = 3       
+    };
+
+enum TMTPPbDataType
+    {
+    EMTPPbTypeNone,
+    EMTPPbInt32,
+    EMTPPbUint32,
+    EMTPPbSuidSet,
+    EMTPPbVolumeSet,
+    EMTPPbTypeEnd
+    };
+
+class TMTPPbDataSuid
+    {
+public:
+    TMTPPbDataSuid(TMTPPbCategory aCategory, const TDesC& aSuid);
+
+    TMTPPbCategory Category() const;
+    const TDesC& Suid() const;
+
+private:
+    //The category
+    TMTPPbCategory iPlayCategory;
+    //The suid of object for initialization    
+    TFileName iSuid;
+    };
+
+/**
+* Encapsulates parameter for playback commands and events.
+*/
+class CMTPPbParamBase : public CBase
+    {
+public:
+    virtual const TMTPPbDataSuid& SuidSetL() const;
+    virtual TInt32 Int32L() const;
+    virtual TUint32 Uint32L() const;
+    virtual ~CMTPPbParamBase();
+    TMTPPbDataType Type() const;
+
+protected:
+    /**
+     * The constuctor.
+     * @param aCategory, category of object for initialization,
+     */
+    CMTPPbParamBase();
+    CMTPPbParamBase(TInt32 aValue);
+    CMTPPbParamBase(TUint32 aValue);
+    CMTPPbParamBase(TMTPPbCategory aCategory, const TDesC& aSuid);
+
+    void ConstructL(TMTPPbCategory aCategory, const TDesC& aSuid);
+    void ConstructL(TInt32 aValue);
+    void ConstructL(TUint32 aValue);
+    void ConstructL(const CMTPPbParamBase& aParam);
+    void SetType(TMTPPbDataType);
+    TAny* GetData() const;
+    void SetData(TAny* aData);
+
+private:
+    __FLOG_DECLARATION_MEMBER;
+
+    TMTPPbDataType  iParamType;
+    TAny*       iData;
+    };
+
+#endif //CMTPPLAYBACKPARAM_H
+