1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/mm_pub/audio_effects_api/inc/AudioEqualizerData.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,117 @@
1.4 +/*
1.5 +* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).
1.6 +* All rights reserved.
1.7 +* This component and the accompanying materials are made available
1.8 +* under the terms of "Eclipse Public License v1.0"
1.9 +* which accompanies this distribution, and is available
1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.11 +*
1.12 +* Initial Contributors:
1.13 +* Nokia Corporation - initial contribution.
1.14 +*
1.15 +* Contributors:
1.16 +*
1.17 +* Description: This file contains definitions of audio effects data structures for
1.18 +* equalizer.
1.19 +*
1.20 +*/
1.21 +
1.22 +
1.23 +
1.24 +#ifndef EQUALIZERDATA_H
1.25 +#define EQUALIZERDATA_H
1.26 +
1.27 +// INCLUDES
1.28 +#include <e32std.h>
1.29 +#include <s32mem.h>
1.30 +#include <AudioEffectData.h>
1.31 +
1.32 +// CLASS DECLARATION
1.33 +
1.34 +/**
1.35 +* This class defines the effect data structure of a particular frequency band.
1.36 +*
1.37 +* @lib EqualizerEffect.lib
1.38 +* @since 3.0
1.39 +*/
1.40 +class TEfAudioEqualizerBand
1.41 + {
1.42 + public:
1.43 +
1.44 + /**
1.45 + * Constructor.
1.46 + */
1.47 + TEfAudioEqualizerBand() {}
1.48 +
1.49 + void ExternalizeL( RWriteStream& aStream ) const
1.50 + {
1.51 + aStream.WriteUint8L(iBandId);
1.52 + aStream.WriteUint32L(iBandLevel);
1.53 + aStream.WriteUint32L(iBandWidth);
1.54 + aStream.WriteUint32L(iCenterFrequency);
1.55 + aStream.WriteUint32L(iCrossoverFrequency);
1.56 + }
1.57 +
1.58 + void InternalizeL( RReadStream& aStream )
1.59 + {
1.60 + iBandId = aStream.ReadUint8L();
1.61 + iBandLevel = aStream.ReadUint32L();
1.62 + iBandWidth = aStream.ReadUint32L();
1.63 + iCenterFrequency = aStream.ReadUint32L();
1.64 + iCrossoverFrequency = aStream.ReadUint32L();
1.65 + }
1.66 +
1.67 + TUint8 iBandId;
1.68 + TInt32 iBandLevel;
1.69 + TInt32 iBandWidth;
1.70 + TInt32 iCenterFrequency;
1.71 + TInt32 iCrossoverFrequency;
1.72 +
1.73 + };
1.74 +
1.75 +/**
1.76 +* This class defines the effect data structure to be passed between client and
1.77 +* server.
1.78 +*
1.79 +* @lib EqualizerEffect.lib
1.80 +* @since 3.0
1.81 +*/
1.82 +class TEfAudioEqualizer : public TEfCommon
1.83 + {
1.84 + public:
1.85 +
1.86 + /**
1.87 + * Constructor.
1.88 + */
1.89 + TEfAudioEqualizer() {}
1.90 +
1.91 + /**
1.92 + * Constructor.
1.93 + */
1.94 + TEfAudioEqualizer( TInt32 aMindB, TInt32 aMaxdB ) :
1.95 + iMindB(aMindB), iMaxdB(aMaxdB) {}
1.96 +
1.97 + TInt32 iMindB;
1.98 + TInt32 iMaxdB;
1.99 +
1.100 + };
1.101 +
1.102 +
1.103 +class TEfAudioEqualizerCombined : public TEfAudioEqualizer, public TEfAudioEqualizerBand
1.104 + {
1.105 + public:
1.106 +
1.107 + // Indicates the data is valid for Equalizer
1.108 + TBool iAudioEqualizerDataValid;
1.109 + // Indicates the data is valid for Equalizer Band
1.110 + TBool iAudioEqualizerBandDataValid;
1.111 + };
1.112 +
1.113 +
1.114 +typedef TPckgBuf<TEfAudioEqualizer> TEfAudioEqualizerDataPckg;
1.115 +typedef TPckgBuf<TEfAudioEqualizerBand> TEfAudioEqualizerBandDataPckg;
1.116 +typedef TPckgBuf<TEfAudioEqualizerCombined> TEfAudioEqualizerCombinedDataPckg;
1.117 +
1.118 +#endif // EQUALIZERDATA_H
1.119 +
1.120 +// End of File