/*

* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* which accompanies this distribution, and is available

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  This file contains definitions of audio effects data structures for

*                equalizer.

*

*/

#ifndef EQUALIZERDATA_H

#define EQUALIZERDATA_H

//  INCLUDES

#include <e32std.h>

#include <s32mem.h>

#include <AudioEffectData.h>

// CLASS DECLARATION

/**

*  This class defines the effect data structure of a particular frequency band.

*

*  @lib EqualizerEffect.lib

*  @since 3.0

*/

class TEfAudioEqualizerBand

    {

    public:

        /**

        * Constructor.

        */

        TEfAudioEqualizerBand() {}

        void ExternalizeL( RWriteStream& aStream ) const

        	{

			aStream.WriteUint8L(iBandId);

			aStream.WriteUint32L(iBandLevel);

			aStream.WriteUint32L(iBandWidth);

			aStream.WriteUint32L(iCenterFrequency);

			aStream.WriteUint32L(iCrossoverFrequency);

			}

        void InternalizeL( RReadStream& aStream )

        	{

			iBandId = aStream.ReadUint8L();

			iBandLevel = aStream.ReadUint32L();

			iBandWidth = aStream.ReadUint32L();

			iCenterFrequency = aStream.ReadUint32L();

			iCrossoverFrequency = aStream.ReadUint32L();

			}

		TUint8 iBandId;

		TInt32 iBandLevel;

		TInt32 iBandWidth;

		TInt32 iCenterFrequency;

		TInt32 iCrossoverFrequency;

    };

/**

*  This class defines the effect data structure to be passed between client and

*  server.

*

*  @lib EqualizerEffect.lib

*  @since 3.0

*/

class TEfAudioEqualizer : public TEfCommon

    {

    public:

        /**

        * Constructor.

        */

        TEfAudioEqualizer() {}

        /**

        * Constructor.

        */

        TEfAudioEqualizer( TInt32 aMindB, TInt32 aMaxdB ) :

        	iMindB(aMindB), iMaxdB(aMaxdB) {}

		TInt32 iMindB;

		TInt32 iMaxdB;

    };

class TEfAudioEqualizerCombined : public TEfAudioEqualizer, public TEfAudioEqualizerBand

    {

    public:

		// Indicates the data is valid for Equalizer

		TBool iAudioEqualizerDataValid;

		// Indicates the data is valid for Equalizer Band

		TBool iAudioEqualizerBandDataValid;

    };

typedef TPckgBuf<TEfAudioEqualizer> TEfAudioEqualizerDataPckg;

typedef TPckgBuf<TEfAudioEqualizerBand> TEfAudioEqualizerBandDataPckg;

typedef TPckgBuf<TEfAudioEqualizerCombined> TEfAudioEqualizerCombinedDataPckg;

#endif      // EQUALIZERDATA_H

// End of File