/*

 * Copyright (c) 2002-2006 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:  Used for interface to Ilbc encoder.

 *

 */

 #ifndef CILBCENCODERINTFC_H

 #define CILBCENCODERINTFC_H

 // INCLUDES

 #include <e32base.h>

 // CONSTANTS

 const TUid KUidIlbcEncoderIntfc = {0x10207B01};

 // MACROS

 // DATA TYPES

 // FUNCTION PROTOTYPES

 // FORWARD DECLARATIONS

 class CMMFDevSound;

 class CMdaAudioInputStream;

 // CLASS DECLARATION

 /**

 *  Interface for Ilbc encoder.

 *  This abstract class just provides the static NewL function for the creation

 *  of the proxy, and also defines the custom interface to be implemented by the

 *  proxy and the real custom interface implementation.

 *

 *  @lib IlbcEncoderIntfc.lib

 *  @since S60 3.0

 */

 class CIlbcEncoderIntfc : public CBase

 	{

     // DATA TYPES

     public:

         enum TEncodeMode

             {

             E20msFrame,

             E30msFrame

             };

     public:  // Constructors and destructor

         /**

         * Creates the interface.

         */

 		IMPORT_C static CIlbcEncoderIntfc* NewL(CMMFDevSound& aDevSound);

         /**

         * Creates the interface.

         */

 		IMPORT_C static CIlbcEncoderIntfc* NewL(CMdaAudioInputStream& aUtility);

     public: // New functions

 		IMPORT_C virtual TInt SetEncoderMode(TEncodeMode aEncodeMode) = 0;

         /**

         * Enables and disables the voice activity (VAD) mode.

         * @since S60 3.0

         * @param aVadMode requested VAD mode.

         * @return status

         */

 		IMPORT_C virtual TInt SetVadMode(TBool aVadMode) = 0;

         /**

         * Retrieves the current state of VAD mode.

         * @since S60 3.0

         * @param aVadMode returns current VAD mode.

         * @return status

         */

 		IMPORT_C virtual TInt GetVadMode(TBool& aVadMode) = 0;

     public: // Functions from base classes

     protected:  // New functions

     protected:  // Functions from base classes

     private:

     public:     // Data

     protected:  // Data

     private:    // Data

     public:     // Friend classes

     protected:  // Friend classes

     private:    // Friend classes

 	};

 #endif      // CILBCENCODERINTFC_H

 // End of File