--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/amms_qt/mmacontrol/inc.emc/cammsemcequalizercontrol.h	Fri May 14 15:47:24 2010 +0300
@@ -0,0 +1,256 @@
+/*
+* Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Manipulates the equalization settings of a Player.
+*
+*/
+
+
+#ifndef CAMMSEMCEQUALIZERCONTROL_H
+#define CAMMSEMCEQUALIZERCONTROL_H
+
+//  INCLUDES
+#include <e32base.h>
+#include "cammseffectcontrolgroup.h"
+//EMC
+#include <EffectControl.h>
+#include <EqualizerControl.h>
+#include "cammsbaseequalizercontrol.h"
+#include <cmmaemcaudioplayer.h>
+//Utility for getting EnvironmentalReverb
+#include "cammsemcequalizerenvironmentalpresetutility.h"
+
+
+using multimedia :: KEqualizerEffectControl;
+using multimedia::MEqualizerControl;
+
+
+// CONSTANTS
+_LIT(KAMMSEMCEqualizerControl, "EqualizerControl");
+_LIT(KAMMSEMCDefaultEqualizerPreset, "smallroom");
+
+// CLASS DECLARATION
+
+/**
+*
+*  Controls for the Equalizer effect.
+*  This class delegates Equalizer effect method calls to CAudioEqualizer.
+*
+*
+*  @since 5.1
+*/
+NONSHARABLE_CLASS(CAMMSEMCEqualizerControl): public CAMMSBaseEqualizerControl
+{
+public:
+    /**
+    * Two-phased constructor.
+    * @param aPlayer Player that has this control.
+    */
+    static CAMMSEMCEqualizerControl* NewLC(CMMAPlayer* aPlayer);
+
+    /**
+    * Destructor.
+    */
+    ~CAMMSEMCEqualizerControl();
+
+public: // New functions
+
+    /**
+    * Gets the gain set for the given equalizer band.
+    *
+    * @param aBand The frequency band whose gain is asked. The numbering of
+    * the bands starts from 0 and ends at (getNumberOfBands() - 1).
+    *
+    * @return The gain set for the given band in millibels.
+    *
+    * @par Leaving:
+    * @li \c KErrArgument - \a aBand is out of range.
+    */
+    TInt BandLevelL(TInt aBand);
+
+    /**
+    * Returns the maximum band level supported.
+    *
+    * @return The maximum band level in millibels.
+    */
+    TInt MaxBandLevel();
+
+    /**
+    * Returns the minimum band level supported.
+    *
+    * @return The minimum band level in millibels.
+    */
+    TInt MinBandLevel();
+
+    /**
+    * Returns the band width in Hz for the specified band.
+    *
+    * @param aBand The frequency band whose band width is asked.
+    * The numbering of the bands starts from 0 and ends at
+    * (getNumberOfBands() - 1).
+    *
+    * @return The band width in Hz for the specified band.
+    */
+    TInt BandWidth(TInt aBand);
+
+    /**
+    * Returns the center frequency in Hz for a given band.
+    *
+    * @param aBand The frequency band whose center frequency
+    * is asked. The numbering of
+    * the bands starts from 0 and ends at (getNumberOfBands() - 1).
+    *
+    * @return The center frequency in Hz for a given band.
+    */
+    TInt CenterFrequency(TInt aBand);
+
+    /**
+    * Returns the cross-over frequency between the given frequency
+    * band (aBand) and the next band.
+    *
+    * @param aBand The frequency band whose gain is asked. The numbering of
+    * the bands starts from 0 and ends at (getNumberOfBands() - 1).
+    *
+    * @return Crossover frequency.
+    */
+    TInt CrossoverFrequency(TInt aBand);
+
+    /**
+    * Gets the number of frequency bands that the equalizer supports.
+    *
+    * @return The number of frequency bands that the equalizer supports.
+    */
+    TInt NumberOfBands();
+
+    /**
+    * Sets the given equalizer band to the given gain value.
+    *
+    * @param aLevel The new gain in millibels that will be set to the given
+    * band. getMinBandLevel() and getMaxBandLevel() will define the maximum
+    * and minimum values.
+    * @param aBand The frequency band that will have the new gain. The
+    * numbering of the bands starts from 0 and ends at
+    * (getNumberOfBands() - 1).
+    *
+    * @par Leaving:
+    * @li \c KErrArgument - \a aBand or \a aLevel is out of range.
+    */
+    void SetBandLevelL(TInt aLevel, TInt aBand);
+
+public: // Functions from base classes
+
+    /**
+    * Sets the effect according to the given preset.
+    *
+    * @param aPreset The new preset that will be taken into use.
+    *
+    * @par Leaving:
+    * @li \c KErrArgument - \a aPreset is not available or it is null.
+    */
+    void SetPresetL(const TDesC& aPreset);
+
+    /**
+    * Gets the available preset names.
+    *
+    * @return The names of all the available preset modes.
+    */
+    const CDesCArray& PresetNamesL();
+
+    /**
+    * Gets the current preset.
+    *
+    * @return The preset that is set at the moment. If none of the presets
+    * is set, null will be returned.
+    */
+    const TDesC& PresetL();
+
+    /**
+    * Enables/disables the effect.
+    *
+    * @param aEnabled The boolean value, true=enabled, false=disabled.
+    *
+    * @par Leaving:
+    * From Java API the leave codes are:
+    * - java.lang.IllegalStateException - if the effect cannot be enabled
+    * in this state of the player.
+    * - javax.microedition.media.MediaException - if enabling is not
+    * supported (with the scope set).
+    */
+    void SetEnabledL(TBool aEnable);
+
+    const TDesC& ClassName() const;
+
+    /**
+    * Prepares the Control.
+    */
+    void PrepareControlL();
+
+    /**
+    * Deallocates the Control.
+    */
+    void DeallocateControl();
+
+public: // override the virtual functions from base class CAMMSEffectControl
+
+    void SetEnforcedL(TBool aEnforced);
+    TBool Enforced();
+    void SetScopeL(TInt aScope);
+    TInt Scope();
+    void ApplySettingsL();
+
+
+private:
+    /**
+    * C++ constructor.
+    * @param aPlayer Player that has this control.
+    */
+    CAMMSEMCEqualizerControl(CMMAPlayer* aPlayer);
+
+    /**
+    * By default Symbian 2nd phase constructor is private.
+    */
+    void ConstructL();
+
+private:  // Data
+
+    /** Native audio equalizer */
+    // CAudioEqualizerUtility* iEqualizerUtility;
+
+    /* Array for querying the preset names, owned */
+    CDesCArray* iPresetNames;
+
+    TBuf<KAMMSMaxPresetNameLength> iPresetName;
+
+    /* Index of the current preset */
+    TInt iCurrentPreset;
+
+    /* Equalizer utility to get preset and data related to that preset*/
+    CAMMSEMCEqualizerEnvironmentalPresetUtility * iAMMSEMCEqualizerEnvironmentalPresetUtility;
+
+
+private:
+
+    CMMAPlayer *iMMAPlayer;
+    /**
+    * EMC Equalizer Control
+    */
+
+    CMultimediaFactory* iFactory;
+    MStreamControl* iStreamControl;
+    MEqualizerControl *iMEqualizerControl;
+
+};
+
+#endif // CAMMSEMCEQUALIZERCONTROL_H
+
+