/*

* Copyright (c) 2006-2008 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: Audio Stubs -  Custom Interface for eAAC+ decoder.

*

*/

#ifndef EAACPLUSDECODERINTFCCI_H

#define EAACPLUSDECODERINTFCCI_H

// INCLUDES

#include <e32base.h>

#include <EAacPlusDecoderIntfc.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// CLASS DECLARATION

/**

*  Custom Interface for eAAC+ decoder.

*

*  @lib EAacPlusDecoderIntfcCI_Stub.lib

*  @since S60 3.0

*/

class CEAacPlusDecoderIntfcCI : public CEAacPlusDecoderIntfc

	{

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

		IMPORT_C static CEAacPlusDecoderIntfcCI* NewL();

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CEAacPlusDecoderIntfcCI();

    public: // New functions

    public: // Functions from CEAacPlusDecoderIntfc

        /**

        * Configures decoder's profile defined by TAudioObjectType.

        * @since S60 3.0

        * @param TAudioObjectType - Supported AAC profile.

        * @return void

        */

		IMPORT_C virtual void SetAudioObjectType(

		                      TAudioObjectType aAudioObjectType);

        /**

        * Configures decoder's input sampling frequency.

        * @since S60 3.0

        * @param TUint - Decoder's input sampling frequency value.

        * @return void

        */

		IMPORT_C virtual void SetInputSamplingFrequency(

		                      TUint aInputSamplingFrequency);

        /**

        * Configures the number of channels to be used by the decoder.

        * @since S60 3.0

        * @param TUint - Number of channels (stereo/mono).

        * @return void

        */

		IMPORT_C virtual void SetNumOfChannels(TUint aNumOfChannels);

        /**

        * Configures decoder's spectral bandwidth replication (SBR).

        * @since S60 3.0

        * @param TBool - Toggle SBR.

        * @return void

        */

		IMPORT_C virtual void SetSbr(TBool aSbrEnabled);

        /**

        * Configures decoder's down-sampled mode (DSM).

        * @since S60 3.0

        * @param TBool - Toggle DSM.

        * @return void

        */

		IMPORT_C virtual void SetDownSampledMode(TBool aDsmEnabled);

        /**

        * Commits configuration settings to the decoder.

        * @since S60 3.0

        * @return TInt - Status

        */

		IMPORT_C virtual TInt ApplyConfig();

        /**

        * Returns decoder's AAC profile setting.

        * @since S60 3.0

        * @param TAudioObjectType& - Reference to AAC profile.

        * @return TInt - Status

        */

		IMPORT_C virtual TInt GetAudioObjectType(

		                      TAudioObjectType& aAudioObjectType);

        /**

        * Returns decoder's input sampling frequency setting.

        * @since S60 3.0

        * @param TUint& - Reference to input sampling frequency.

        * @return TInt - Status

        */

		IMPORT_C virtual TInt GetInputSamplingFrequency(

		                      TUint& aInputSamplingFrequency);

        /**

        * Returns decoder's channel setting.

        * @since S60 3.0

        * @param TUint& - Reference to the number of channels.

        * @return TInt - Status

        */

		IMPORT_C virtual TInt GetNumOfChannels(TUint& aNumOfChannels);

        /**

        * Returns decoder's SBR setting.

        * @since S60 3.0

        * @param TBool& - Reference to the SBR setting.

        * @return TInt - Status

        */

		IMPORT_C virtual TInt GetSbr(TBool& aSbrEnabled);

        /**

        * Returns decoder's DSM setting.

        * @since S60 3.0

        * @param TBool& - Reference to the DSM setting.

        * @return TInt - Status

        */

		IMPORT_C virtual TInt GetDownSampledMode(TBool& aDsmEnabled);

    protected:  // New functions

    protected:  // Functions from base classes

	private:

        /**

        * C++ default constructor.

        */

	    CEAacPlusDecoderIntfcCI();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

	    void ConstructL();

    public:     // Data

    protected:  // Data

    private:    // Data

        // Working config before ApplyConfig()

        TAudioObjectType  iAudioObjectType;

        TUint             iInputSamplingFrequency;

        TUint             iNumOfChannels;

        TBool             iSbrEnabled;

        TBool             iDsmEnabled;

        // Current config after ApplyConfig()

        TAudioObjectType  iCurrentAudioObjectType;

        TUint             iCurrentInputSamplingFrequency;

        TUint             iCurrentNumOfChannels;

        TBool             iCurrentSbrEnabled;

        TBool             iCurrentDsmEnabled;

	};

#endif      // EAACPLUSDECODERINTFCCI_H

// End of File