/*

* 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:  Audio effect engine

*

*/

#ifndef _MPXAUDIOEFFECTENGINE_H_

#define _MPXAUDIOEFFECTENGINE_H_

#define _LOUDNESS

//#undef _LOUDNESS

//#define _BASSBOOST

#undef _BASSBOOST

#define _REVERB

//#undef _REVERB

#define _STEREO

// INCLUDES

const TInt KAudioEffectsID = 0x101FFC02;

const TInt KEqualizerID = 0x101FFC76;

// System Includes

#include <e32base.h>

#include <mdaaudiosampleplayer.h>

#include <mpxplaybackobserver.h>

#include "mpxaudioeffectproperties.h"

// FORWARD DECLARATIONS

class CMdaAudioPlayerUtility;

class CEnvironmentalReverbUtility;

class CStereoWidening;

class CBassBoost;

class CLoudness;

class CAudioEqualizerUtility;

class MMPXPlaybackUtility;

class TMPXPlaybackMessage;

/**

*  Audio effect engine Class

*

*  @lib mpxaudioeffectengine.dll

*  @since Series 60 3.0

*/

class CMPXAudioEffectEngine : public CBase

{

public: 

    /**

    * Two-phased constructor

    *

    * @param aPlayer audio player utility

    * @return object of constructed

    */

	IMPORT_C static CMPXAudioEffectEngine* NewL(

	                                    CMdaAudioPlayerUtility* aPlayer);

    /**

    * Destructor

    */

	IMPORT_C ~CMPXAudioEffectEngine();

    /**

    * Set balance

    */

 	IMPORT_C void SetBalanceL();

    /**

    * Set bass boost

    */

	IMPORT_C void SetBassBoostL();

    /**

    * Set stero widening

    */

	IMPORT_C void SetStereoWideningL();

    /**

    * Set reverberation

    */

 	IMPORT_C void SetReverberationL();

    /**

    * Set loundness

    */

    IMPORT_C void SetLoudnessL();

    /**

    * Sets the equalizer preset

    * This function will check MPX cenrep for preset id

    */

    IMPORT_C void SetEqualizerL();

    /**

     * Creates the audio effects

     */

    IMPORT_C void CreateAudioEffectsL();

    /**

    * Destroy audio effect objects

    */

    IMPORT_C void DestroyAudioEffect();

private:

    /**

    * C++ constructor

    *

    * @param aPlayer audio player utility

    */

	CMPXAudioEffectEngine(CMdaAudioPlayerUtility* aPlayer);

    /**

    * Second phase constructor

    */

    void ConstructL();

    /**

     *  Handle playback state changed.

     *

     *  @param aState New Playback state

     */

    void DoHandleStateChangedL(

        TMPXPlaybackState aState );

private: //Data

    CMPXAudioEffectProperties* iProp;

private:

	CMdaAudioPlayerUtility* iMdaPlayer;  // Not owned

	CEnvironmentalReverbUtility* iReverbEffect;

	CStereoWidening* iStereoEffect;

	CBassBoost* iBassBoostEffect;

	CLoudness*  iLoudnessEffect;

	CAudioEqualizerUtility* iEqualizerEffect;

	};

#endif // _MPXAUDIOEFFECTENGINE_H_

// End of File