/*

 * Copyright (c) 2009 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: Telephony Multimedia Service

 *

 */

#ifndef 	EAACPLUSFRAMEPARSER_H

#define 	EAACPLUSFRAMEPARSER_H

// INCLUDES

#include <e32base.h>

#include "EAacPlusUtil.h"

class CFrameTable;

class CMMFBuffer;

// CLASS DECLARATION

/**

*  This class implements utility functions to extract AAC frame

*  information.

*

*  @lib MmfEAacPlusUtil.lib

*  @since 3.2

*/

class CEAacPlusFrameParser : public CBase

	{

	public:

    class TEAacPlusParserConfig

        {

    public:

		CEAacPlusUtil::TEAacPlusFrameLenConfig iFrameLenConfig; // config info needed by util for frame length.

        TInt    	iOutSamplingFrequency;		 // output sampling freq of decoder

      	TInt		iNumOfSamples;				 // samples per frame

      	CFrameTable* iFrameTable;				 // the frame table

        };

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        IMPORT_C static CEAacPlusFrameParser* NewL();

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CEAacPlusFrameParser();

    public: // New functions

		/**

        * Used to parse the aac frames and populate the seek table.

        * @since 3.2

        * @param	aBuf                 buffer of AAC data from start of aac content

        * @param	aBufLen              length of aBuf

        * @return   status

        */

        IMPORT_C TInt Parse(const CMMFBuffer& aSrc, TInt& aSrcUsed);

		/**

        * Used to configure the utility with information needed to enable the apis.

        * This api can be used if GetAacFrameInfo is not used to initialize the utility.

        * @since 3.2

        * @param	aFormatType format type

        * @param	aSamplingFrequency sampling frequency

        * @return   status

        */

		IMPORT_C TInt Config(TEAacPlusParserConfig& aParserConfig);

		IMPORT_C TInt ReConfig();

    private:

        /**

        * C++ default constructor.

        */

        CEAacPlusFrameParser();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

 	private:	// Data

 		CEAacPlusUtil* iAacUtil;

 		CFrameTable* iFrameTable;

		// local input buffer

        TUint8* iTmpBuf;

        const TUint8* iTmpBufPtr;

        TInt 	iTmpBufBytes;

        TInt	iBytesCopied;

        TBool   iUsingTmpBuf;

        TInt iPos;

//		CEAacPlusUtil::TEAacPlusFormatType iFormatType;

//		TInt iInSamplingFrequency;

//		TInt iOutSamplingFrequency;

//		TInt iNumOfSamples;

		TEAacPlusParserConfig iParserConfig;

	};

#endif      // EAACPLUSFRAMEPARSER_H

// End of File