/*

* Copyright (c) 2004 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:  This is the definition of the doppler effect class.

*

*

*/

#ifndef CDOPPLER_H

#define CDOPPLER_H

// INCLUDES

#include <e32base.h>

#include <AudioEffectBase.h>

#include <DopplerData.h>

// CLASS DECLARATION

/**

*  This is the Doppler effect class for managing doppler settings.

*

*  @lib DopplerEffect.lib

*  @since 3.0

*/

class CDoppler : public CAudioEffect

	{

	protected:		// Constructor and Destructors

		/**

        *

        * Destructor

        */

		IMPORT_C virtual ~CDoppler();

		/**

		* Private C++ constructor for this class.

		*/

		IMPORT_C CDoppler();

    public: // New functions

		/**

        * Get the velocity's cartesian settings

        * @since 3.0

        * @param aX Velocity in X direction (mm/s)

        * @param aY Velocity in Y direction (mm/s)

        * @param aZ Velocity in Z direction (mm/s)

        */

		IMPORT_C void CartesianVelocity( TInt32& aX, TInt32& aY, TInt32& aZ );

		/**

        * Get the current multiplier factor

        * @since 3.0

        * @return multiplier factor

        */

		IMPORT_C TUint32 Factor() const;

		/**

        * Get the maximum multiplier factor

        * @since 3.0

        * @return multiplier factor

        */

		IMPORT_C TUint32 FactorMax() const;

		/**

        * Sets the velocity in Cartesian coordinates of the sound source with respect to the listener.

        * @since 3.0

        * @param aX Velocity in X direction (mm/s)

        * @param aY Velocity in Y direction (mm/s)

        * @param aZ Velocity in Z direction (mm/s)

        * @return -

        */

		IMPORT_C void SetCartesianVelocityL( TInt32 aX, TInt32 aY, TInt32 aZ );

		/**

        * Sets the multiplier factor.

        * @since 3.0

        * @param aFactor Factor value in hundredths that ranges from 0 to FactorMax(),

        *                where 100 corresponds to 1.00, 200 corresponds to 2.00, etc.

        * @return -

        */

		IMPORT_C void SetFactorL( TUint32 aFactor );

		/**

        * Sets the velocity in spherical coordinates of the sound source with respect to the listener.

        * @since 3.0

        * @param aAzimuth the Azimuth (thousandths of radians)

        * @param aElevation the elevation (thousandths of radians)

        * @param aRadius the radius (thousandths of radians)

        * @return -

        */

		IMPORT_C void SetSphericalVelocityL( TInt32 aAzimuth, TInt32 aElevation, TInt32 aRadius );

		/**

        * Gets the velocity's spherical coordinates settings.

        * @since 3.0

        * @param aAzimuth the Azimuth (thousandths of radians)

        * @param aElevation the elevation (thousandths of radians)

        * @param aRadius the radius (thousandths of radians)

        * @return -

        */

		IMPORT_C void SphericalVelocity( TInt32& aAzimuth, TInt32& aElevation, TInt32& aRadius );

    protected:  // Functions from base classes

		/**

		* From CAudioEffect

		* Create a package of the effect data

        * @since 3.0

        * @return A descriptor containing the effect data.

        */

		IMPORT_C const TDesC8& DoEffectData();

		/**

		* From CAudioEffect

		* Internal function to unpack effect data

        * @since 3.0

        * @param aEffectDataBuffer Descriptor containing packed effect data

        * @return -

        */

        IMPORT_C void SetEffectData( const TDesC8& aEffectDataBuffer );

	protected:

		// Doppler data structure

		TEfDoppler iDopplerData;

		// Data package sent to server

		TEfDopplerDataPckg iDataPckgTo;

		// Data package received from server

		TEfDopplerDataPckg iDataPckgFrom;

	};

#endif	// of CDOPPLER_H

// End of File