sl@0: /*
sl@0: * Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). 
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description:  This file contains definitions of audio effects data structures for
sl@0: *                equalizer.
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: 
sl@0: #ifndef EQUALIZERDATA_H
sl@0: #define EQUALIZERDATA_H
sl@0: 
sl@0: //  INCLUDES
sl@0: #include <e32std.h>
sl@0: #include <s32mem.h>
sl@0: #include <AudioEffectData.h>
sl@0: 
sl@0: // CLASS DECLARATION
sl@0: 
sl@0: /**
sl@0: *  This class defines the effect data structure of a particular frequency band.
sl@0: *
sl@0: *  @lib EqualizerEffect.lib
sl@0: *  @since 3.0
sl@0: */
sl@0: class TEfAudioEqualizerBand
sl@0:     {
sl@0:     public:
sl@0: 
sl@0:         /**
sl@0:         * Constructor.
sl@0:         */
sl@0:         TEfAudioEqualizerBand() {}
sl@0: 
sl@0:         void ExternalizeL( RWriteStream& aStream ) const
sl@0:         	{
sl@0: 			aStream.WriteUint8L(iBandId);
sl@0: 			aStream.WriteUint32L(iBandLevel);
sl@0: 			aStream.WriteUint32L(iBandWidth);
sl@0: 			aStream.WriteUint32L(iCenterFrequency);
sl@0: 			aStream.WriteUint32L(iCrossoverFrequency);
sl@0: 			}
sl@0: 
sl@0:         void InternalizeL( RReadStream& aStream )
sl@0:         	{
sl@0: 			iBandId = aStream.ReadUint8L();
sl@0: 			iBandLevel = aStream.ReadUint32L();
sl@0: 			iBandWidth = aStream.ReadUint32L();
sl@0: 			iCenterFrequency = aStream.ReadUint32L();
sl@0: 			iCrossoverFrequency = aStream.ReadUint32L();
sl@0: 			}
sl@0: 
sl@0: 		TUint8 iBandId;
sl@0: 		TInt32 iBandLevel;
sl@0: 		TInt32 iBandWidth;
sl@0: 		TInt32 iCenterFrequency;
sl@0: 		TInt32 iCrossoverFrequency;
sl@0: 
sl@0:     };
sl@0: 
sl@0: /**
sl@0: *  This class defines the effect data structure to be passed between client and
sl@0: *  server.
sl@0: *
sl@0: *  @lib EqualizerEffect.lib
sl@0: *  @since 3.0
sl@0: */
sl@0: class TEfAudioEqualizer : public TEfCommon
sl@0:     {
sl@0:     public:
sl@0: 
sl@0:         /**
sl@0:         * Constructor.
sl@0:         */
sl@0:         TEfAudioEqualizer() {}
sl@0: 
sl@0:         /**
sl@0:         * Constructor.
sl@0:         */
sl@0:         TEfAudioEqualizer( TInt32 aMindB, TInt32 aMaxdB ) :
sl@0:         	iMindB(aMindB), iMaxdB(aMaxdB) {}
sl@0: 
sl@0: 		TInt32 iMindB;
sl@0: 		TInt32 iMaxdB;
sl@0: 
sl@0:     };
sl@0: 
sl@0: 
sl@0: class TEfAudioEqualizerCombined : public TEfAudioEqualizer, public TEfAudioEqualizerBand
sl@0:     {
sl@0:     public:
sl@0: 
sl@0: 		// Indicates the data is valid for Equalizer
sl@0: 		TBool iAudioEqualizerDataValid;
sl@0: 		// Indicates the data is valid for Equalizer Band
sl@0: 		TBool iAudioEqualizerBandDataValid;
sl@0:     };
sl@0: 
sl@0: 
sl@0: typedef TPckgBuf<TEfAudioEqualizer> TEfAudioEqualizerDataPckg;
sl@0: typedef TPckgBuf<TEfAudioEqualizerBand> TEfAudioEqualizerBandDataPckg;
sl@0: typedef TPckgBuf<TEfAudioEqualizerCombined> TEfAudioEqualizerCombinedDataPckg;
sl@0: 
sl@0: #endif      // EQUALIZERDATA_H
sl@0: 
sl@0: // End of File