/*

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

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

 * which accompanies this distribution, and is available

 * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

 *

 * 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