/*

* 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 class provides the main API for the Advanced Audio Controller

*				 Resource.

*

*/

#ifndef CADVANCEDAUDIORESOURCE_H

#define CADVANCEDAUDIORESOURCE_H

// INCLUDES

#include <f32file.h>

#include <barsc.h>

#include <barsread.h>

#include "AdvancedAudioResource.hrh"

// FORWARD DECLARATIONS

class TMetadataEntry;

class CMMFMetaDataEntry;

class CMMFClip;

// CLASS DECLARATION

/**

*  This class provides Advanced Audio Controller properties.

*

*  @lib AdvancedAudioController.lib

*  @since 3.0

*/

class TAapProperties

	{

	public:

		TInt iSharedBufferMaxNum;		// Max number of shared buffer

		TInt iSharedBufferMaxSize;		// Max buffer size

		TInt iSamplingRate;				// Default sampling rate

		TInt iStereoSupport;			// Default channel number

		TBool iMetaDataSupport;			// Meta Data support indicator

	};

/**

*  This class implements base class for all resource file handling classes.

*

*  @lib AdvancedAudioController.lib

*  @since 3.0

*/

class CAdvancedAudioResource : public CBase

	{

    public:  // Constructors and destructor

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CAdvancedAudioResource();

        /**

        * C++ default constructor.

        */

        IMPORT_C CAdvancedAudioResource();

    public: // New functions

		/**

        * Returns the controller's properties for the current Codec.

        * @since 3.0

        * @param	-

        * @return	AAP properties

        */

		IMPORT_C const TAapProperties& PropertiesL();

		/**

        * Returns the configuration parameters for the current Codec.

        * @since 3.0

        * @param	-

        * @return	Configuration parameters

        */

        IMPORT_C const RArray<TInt>& CodecConfigParametersL();

	protected:

		/**

        * Reads the data from the resource file for the specified codec.

        * @since 3.0

        * @param	aResourceFileName - descriptor containing resource file name

        * @param	aResourceId - one of the constants defined in this file.

        * @return	-

        */

		IMPORT_C virtual void ReadResourceFileL( const TDesC& aResourceFileName, TInt aResourceId );

		/**

        * Reads the configuration parameters for the codec.

        * @since 3.0

        * @param	-

        * @return	-

        */

		IMPORT_C virtual void ReadCodecConfigParametersL() = 0;

 	protected:	// Data

		// File session

		RFs iFs;

		// Resource file

		RResourceFile iResourceFile;

		// Resource reader

		TResourceReader iResourceReader;

		// Buffer where resource is read

		HBufC8* iResourceBuf;

		// Used in case of LEAVE during read

		TBool iResourceOpen;

		// AAP properties

		TAapProperties iProperties;

		// Codec configuration parameters

		RArray<TInt> iCodecConfigParams;

	};

#endif      // CADVANCEDAUDIORESOURCE_H

// End of File