/*

* 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:  Recognizer for AAC files.

*

*/

#ifndef CAACAUDIOPLAYCONTROLLERRECOGNIZER_H

#define CAACAUDIOPLAYCONTROLLERRECOGNIZER_H

// INCLUDES

#include <e32base.h>

#include <apmrec.h>

#include <apmstd.h>

// CLASS DECLARATION

/**

* Concrete implementation of the recognizer API used to recognize AAC files.

*

*  @lib AACAudioPlayControllerRecognizer.lib

*  @since 3.0

*/

class CAACAudioPlayControllerRecognizer : public CApaDataRecognizerType

	{

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CAACAudioPlayControllerRecognizer* NewL();

        /**

        * Destructor.

        */

        virtual ~CAACAudioPlayControllerRecognizer();

        /**

        * Creates recognizer

        * @since 3.0

        * @param  none

        * @return recognizer instance

        */

		static CApaDataRecognizerType* CreateRecognizerL();

    private: // Functions from base classes

        /**

        * From CApaDataRecognizerType

        * Returns one of the SupportedDataType

        * @since 3.0

        * @param aIndex - depending on the file extension

        * @return Supported DataType

        */

        TDataType SupportedDataTypeL( TInt aIndex ) const;

        /**

        * From CApaDataRecognizerType

        * Returns the buffersize needed to scan

        * @since 3.0

        * @param  none

        * @return BufferSize if needed

        */

		TUint PreferredBufSize();

        /**

        * From CApaDataRecognizerType

        * Do the recognition of the file using the name of the

        * the file or the buffer to scan

        * @since 3.0

        * @param aName    Name of the file

        * @param aBuffer  Buffer that shall be scanned for recognition

        * @return void

        */

		void DoRecognizeL( const TDesC& aName, const TDesC8& aBuffer );

    private:

        /**

        * C++ default constructor.

        */

        CAACAudioPlayControllerRecognizer();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private:	// Data

	};

#endif	// CAACAUDIOPLAYCONTROLLERRECOGNIZER_H