mmfenh/advancedaudiocontroller/audiocontrollerpluginsvariant/aacaudioplaycontroller/Src/AACAudioPlayControllerDecoder.h
/*
* 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