javauis/mmapi_qt/baseline/inc/cmmamidipitchcontrol.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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/*
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* Copyright (c) 2002 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 class implements PitchControl functionality.
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*
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*/
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#ifndef CMMAMIDIPITCHCONTROL_H
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#define CMMAMIDIPITCHCONTROL_H
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// EXTERNAL INCLUDES
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//  INTERNAL INCLUDES
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#include "cmmacontrol.h" // base class
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// CONSTANTS
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// Constant for control name. Name is used in Java side to instantiate
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// Java Class which uses CMMAMIDIPitchControl.
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_LIT(KMIDIPitchControlName, "PitchControl");
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// Maximum and minimun pitch values
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const TInt KMIDIPitchControlMaxPitch = 2400;
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const TInt KMIDIPitchControlMinPitch = -2400;
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class CMMAMIDIPlayer;
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//  CLASS DECLARATION
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/**
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*   This class implements MIDIPitchControl interface.
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*
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*
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*/
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NONSHARABLE_CLASS(CMMAMIDIPitchControl): public CMMAControl
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{
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public:
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    /**
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     * Creates new CMMAMIDIPitchControl.
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     *
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     * @param aPlayer Player that plays the content.
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     */
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    static CMMAMIDIPitchControl* NewL(CMMAMIDIPlayer* aPlayer);
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    /**
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     * Destructor.
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     */
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    ~CMMAMIDIPitchControl();
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protected:
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    /**
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     * Constructor.
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     * @param aPlayer Player that plays the content.
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     */
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    CMMAMIDIPitchControl(CMMAMIDIPlayer* aPlayer);
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public: // From CMMAControl
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    const TDesC& ClassName() const;
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public: // New methods
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    /**
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     * @return Pitch, if not available the default.
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     */
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    TInt PitchL();
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    /**
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     * @param aPitch Pitch to set in milli-beats per minute.
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     * @return Actual Pitch set.
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     */
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    TInt SetPitchL(TInt aPitch);
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    /**
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     * @return The maximum rate supported.
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     */
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    TInt MaxPitchL();
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    /**
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     * @return The minimum rate supported.
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     */
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    TInt MinPitchL();
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private: // Data
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    /**
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     * Used to control MIDI playback.
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     */
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    CMMAMIDIPlayer* iPlayer;
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};
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#endif // CMMAMIDIPITCHCONTROL_H