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