/*

* Copyright (c) 2009 Aricent and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:

* Aricent - initial contribution.

*

* Contributors:

*

* Description: 

* Export header file for Wrapper APIs.Interface class for 

* AmrNb Decoder Wrapper.The member functions are pure virtual functions which     

* are to be implemented by the derived class.

*

*/

#ifndef ARIAMRNBDECWRAPPER_H 

#define ARIAMRNBDECWRAPPER_H

// system include files

#include<e32def.h>

#include<e32const.h>

#include<e32base.h>

#include<e32debug.h>

// Class declaration

class TDecParam

	{

public:

	//mediatype takes 0 for RTP and 1 for 3GPP

	TInt iMediatype;	

	};

// Class declaration

class CAriAmrNbDecWrapper:public CBase

	{

public:

	/**

	 * Two-phased constructor.

	 * @return pointer to an instance of CAriAmrNbDecWrapper

	 */

	IMPORT_C static CAriAmrNbDecWrapper* NewL();

	/**> Destructor */

	~CAriAmrNbDecWrapper();

	/**

	 * The function resets the codec.

	 * @param aParam 

	 *    TDecParam in which it takes 0 for RTP and 1 for RTP

	 * @return return status           

	 */

	virtual TInt Reset( TDecParam aParam ) = 0;

	/**

	 * The function decodes the input stream.

	 * @param aSrcBuf

	 *    The source buffer containing data to decode.

	 * @param aSrcLen

	 *    Size of source buffer in bytes

	 * @param aDstBuf

	 *    The destination buffer to hold the data after decoding.  

	 * @param aDstLen

	 *    Size of destination buffer in bytes

	 * @return return status           

	 */

	virtual TInt Decode( TUint8* aSrcBuf, TInt &aSrcLen, TInt* aDstBuf, 

														TInt &aDstLen ) = 0;	

	};

#endif /* ARIAMRNBDECWRAPPER_H  */