os/mm/mmlibs/mmfw/Effect/inc/MmfStdGlblAudioEffect.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 
     2 // MmfStdGlblAudioEffect.h
     3 
     4 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
     5 // All rights reserved.
     6 // This component and the accompanying materials are made available
     7 // under the terms of "Eclipse Public License v1.0"
     8 // which accompanies this distribution, and is available
     9 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
    10 //
    11 // Initial Contributors:
    12 // Nokia Corporation - initial contribution.
    13 //
    14 // Contributors:
    15 //
    16 // Description:
    17 //
    18 
    19 #ifndef MMFSTDGLBLAUDIOEFFECT_H
    20 #define MMFSTDGLBLAUDIOEFFECT_H
    21 
    22 #include <mmf/common/mmfglblaudioeffect.h>
    23 
    24 /**
    25 @publishedPartner
    26 @released
    27 @file
    28 */
    29 
    30 /**
    31  Global Equaliser effect
    32  This provides access to the global equaliser
    33  */
    34 class CMmfGlobalEqEffect : public CMmfGlobalAudioEffect
    35 	{
    36 public:
    37 	/**
    38 	Factory function
    39 	@param Observer to use - can be NULL
    40 	@return Freshly created object
    41 	@leave KErrNotSupported
    42 	       There is no low-level implementation for this class
    43 	*/
    44 	IMPORT_C static CMmfGlobalEqEffect* NewL(MMmfGlobalAudioEffectObserver* aObserver);
    45 	
    46 	/**
    47 	Maximum number of bands an equaliser can support
    48 	*/
    49 	static const TInt KMaxBands = 10;
    50 	
    51 	/**
    52 	Struct to form basis of package buffer to ExtractValuesL() and SetByValuesL()
    53 	*/
    54 	class TValues
    55 		{
    56 	public:
    57 		TInt  iNumBands;			 		//*< Bands on current equaliser
    58 		TReal iCurrentValue[KMaxBands]; //*< current setting
    59 		TInt  iNominalFreq[KMaxBands];	//*< Nominal freq for each band, used in dialogs
    60 		TReal iMin;				 		//*< Min possible value on each band
    61 		TReal iMax;				 		//*< Max possible value on each band
    62 		TVolumeValue iValueType; 		//*< How to interpet iCurrentValue, iMin and iMax
    63 		};
    64 
    65 private:
    66 	CMmfGlobalEqEffect();
    67 	void ConstructL(MMmfGlobalAudioEffectObserver* aObserver);
    68 	};
    69 
    70 
    71 /**
    72  Global Megaboost effect
    73  This provides access to the global megaboost.
    74  Note there is currently no TValues struct defined for this - client apps must use
    75  the preset interface.
    76  */
    77 class CMmfGlobalMegaEffect : public CMmfGlobalAudioEffect
    78 	{
    79 public:
    80 	/**
    81 	Factory function
    82 	@param Observer to use - can be NULL
    83 	@return Freshly created object
    84 	@leave KErrNotSupported
    85 	       There is no low-level implementation for this class
    86 	*/
    87 	IMPORT_C static CMmfGlobalMegaEffect* NewL(MMmfGlobalAudioEffectObserver* aObserver);
    88 
    89 private:
    90 	CMmfGlobalMegaEffect();
    91 	void ConstructL(MMmfGlobalAudioEffectObserver* aObserver);
    92 	};
    93 
    94 
    95 
    96 #endif // MMFSTDGLBLAUDIOEFFECT_H