/*

* Copyright (c) 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 AMRPAYLOADHEADEROA_H

#define AMRPAYLOADHEADEROA_H

#include "amrpayloadheader.h"

// CLASS DECLARATION

/**

* The Amr payload header in octet aligned ( OA ) mode.

*

* @lib Mccamrplformat.dll

* @since Series 60 3.1

*/

class CAmrPayloadHeaderOA : public CAmrPayloadHeader

    {

 public:  // Constructors and destructor

    /**

    * Two-phased constructor.

    */

    static CAmrPayloadHeaderOA* NewL();

    /**

    * Destructor.

    */

    ~CAmrPayloadHeaderOA( ); 

public: // Functions from CAmrPayloadHeader

    /**

    * Encode the payload header fields into a given buffer at the given

    * position. Values to encode are obtained from the corresponding 

    * header fields. Byte and bit positions are updated after encoding 

    * is done.

    * @since    Series 60 3.1

    * @param    aBuffer - [output] Buffer to store encoded data.

    * @param    aByteIndex - [input] Starting byte index ( starts from

    *           zero ).

    *           [output] Byte index updated after encoding.

    * @param    aBitIndex - [input] Starting bit index 

    *                        ( starts from zero ).

    *           [output] Bit index updated after encoding.

    */

    virtual void Encode( TUint8* aBuffer, TInt& aByteIndex, TInt& aBitIndex );

    /**

    * Decode the payload header from a given buffer at the given position.

    * Decoded values are returned in the corresponding header fields.

    * Byte and bit positions are updated after decoding is done.

    * @since    Series 60 3.1

    * @param    aBuffer - [input] Buffer to decode data from.

    * @param    aByteIndex - [input] Starting byte index ( starts from

    *           zero ).

    *           [output] Byte index updated after decoding.

    * @param    aBitIndex - [input] Starting bit index 

    *                        ( starts from zero ).

    *           [output] Bit index updated after decoding.

    */

    virtual void Decode( const TUint8* aBuffer, TInt& aByteIndex, 

        TInt& aBitIndex );

private: // Functions

    /**

    * Constructor.

    */

    CAmrPayloadHeaderOA();

    };

#endif      // AMRPAYLOADHEADEROA_H