/*

* Copyright (c) 2006 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 file defines the AAC Play Controller Decoder class.

*

*/

#ifndef CAACPLAYCONTROLLERDECODER_H

#define CAACPLAYCONTROLLERDECODER_H

//  INCLUDES

#include "AdvancedAudioDecoder.h"

#include <EAacPlusUtil.h>

// FORWARD DECLARATIONS

class CMMFCodec;

class CEAacPlusUtil;

// CLASS DECLARATION

/**

*  This class defines the AAC play controller decoder.

*

*  @lib AACAudioPlayController.lib

*  @since 3.0

*/

class CAACAudioPlayControllerDecoder : public CAdvancedAudioDecoder

    {

	public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CAACAudioPlayControllerDecoder* NewL();

        /**

        * Destructor.

        */

        virtual ~CAACAudioPlayControllerDecoder();

    public: // Functions from base classes

        /**

		* From CAdvancedAudioDecoder

	    * Check if the audio converter is hardware accelerated.

	    * @since 3.0

	    * @return ETrue if hardare accelerated, otherwise, EFalse.

	    */

        TBool IsHwAccelerated();

		TCodecProcessResult ProcessL(CMMFBuffer& aSrc, CMMFBuffer& aDst);

		TInt CodecConfig(RArray<TInt>& aCodecConfigData);

		TInt CodecCmd(TCodecCmd aCmd);

    private: // Functions from base classes

		void ResetL();

	private:

        /**

        * C++ default constructor.

        */

        CAACAudioPlayControllerDecoder();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

		// these are defined for us in hwdecoder implementation only

		void InitCodecConfigs();

		TInt SeekSync(TUint8* aBuf, TInt aBufLen);

		TInt FrameLength(const TUint8* aBuf,TInt aBufLen,TInt& aFrameLength);

		TInt SeekAdtsSync(TUint8* aBuf, TInt aBufLen);

		TBool IsValidAdtsFrame(const TUint8* aPtr, TInt aBufLen);

    private: // Data

        CEAacPlusUtil*  iAacUtil;

        CEAacPlusUtil::TEAacPlusFormatType iFormatType;

		CEAacPlusUtil::TEAacPlusFrameLenConfig iFrameLenConfig;

	};

#endif		// CAACPLAYCONTROLLERDECODER_H