// 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:

//      Interfaces and factories for the GSM 06.10 encoder and decoder.

//

#ifndef GSM610COMMON_H

#define GSM610COMMON_H

#include <e32std.h>

/**

 * Provides an interface to the GSM 6.10 full rate (FR) speech encoder.

 * 

 * Class is intantiated via GSM610FR_EncoderFactory::CreateEncoderL().

 * 

 * @see GSM610FR_EncoderFactory

 * */

class MGSM610FR_Encoder

    {

public:

    virtual void StartL() = 0;

    virtual void ExecuteL(TUint8* aInBuf, TUint8* OutBuf) = 0;

    virtual void StopL() = 0;

    virtual void Release() = 0;

    };

/**

 * Provides an interface to the GSM 6.10 full rate (FR) speech decoder.

 * 

 * Class is intantiated via GSM610FR_DecoderFactory::CreateDecoderL().

 * 

 * @see GSM610FR_DecoderFactory

 * */

class MGSM610FR_Decoder

    {

public:

    virtual void StartL() = 0;

    virtual void ExecuteL(TUint8* aSrc, TUint8* aDst) = 0;

    virtual void StopL() = 0;

    virtual void Release() = 0;

    };

/**

 * Factory class for GSM 6.10 full rate (FR) speech encoder.

 * 

 * Client code can use the factory method to create an encoder object and obtain a handle to it.

 * All operations on the encoder are done through the MGSM610FR_Encoder interface. The client code

 * is responsible for destroying the encoder by calling MGSM610FR_Encoder::Release().

 * 

 * @see MGSM610FR_Encoder

 * */

class GSM610FR_EncoderFactory

    {

public:    

    IMPORT_C static MGSM610FR_Encoder* CreateEncoderL();

    };

/**

 * Factory class for GSM 6.10 full rate (FR) speech decoder.

 * 

 * Client code can use the factory method to create an decoder object and obtain a handle to it.

 * All operations on the decoder are done through the MGSM610FR_Decoder interface. The client code

 * is responsible for destroying the decoder by calling MGSM610FR_Decoder::Release().

 * 

 * @see MGSM610FR_Decoder

 * */

class GSM610FR_DecoderFactory

    {

public:    

    IMPORT_C static MGSM610FR_Decoder* CreateDecoderL();

    };

#endif