sl@0: // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #ifndef DEVSOUNDADAPTATIONINFOIMPLBODY_H
sl@0: #define DEVSOUNDADAPTATIONINFOIMPLBODY_H
sl@0: 
sl@0: #include <e32std.h>
sl@0: #include <ecom/ecom.h>
sl@0: #include <a3f/a3f_trace_utils.h>
sl@0: #include <a3f/a3ffourcclookup.h>
sl@0: #include <mmf/common/mmfutilities.h> // For TFourCC
sl@0: #include "devsoundadaptationinfoimpl.h"
sl@0: 
sl@0: #define KFOURCCLENGTH 4
sl@0: 
sl@0: class MA3FDevSoundAdaptationInfoObserver;
sl@0: 
sl@0: /*
sl@0: The real implementation of CA3FDevsoundAdaptationInfo.
sl@0: */
sl@0: NONSHARABLE_CLASS(CA3FDevSoundAdaptationInfoImpl::CBody) : public CActive, public MTruePauseCustomInterface
sl@0: 	{
sl@0: public:
sl@0: 
sl@0: 	/*
sl@0: 	Factory
sl@0: 	*/
sl@0: 	static CBody* NewL(MA3FDevSoundAdaptationInfoObserver& aObserver, CFourCCConvertor& aFourCcConvertor);
sl@0: 
sl@0: 	/*
sl@0: 	Destructor.
sl@0: 	*/
sl@0: 	~CBody();
sl@0: 
sl@0: 	TInt RequestMaxGain(TUid aCodecType);
sl@0: 	TInt RequestSupportedFormats(TUid aCodecType, RArray<TUid>& aSupportedFormats);
sl@0: 	
sl@0: 	// From CActive
sl@0: 	TInt Extension_(TUint aExtensionId, TAny*& aExtPtr, TAny*);
sl@0: 	
sl@0: 	// from MTruePauseCustomInterface
sl@0: 	TBool IsResumeSupported(TUid aCodecType, TUid aFormat);
sl@0: 
sl@0: private:
sl@0: 
sl@0: 	static TBool IsDataTypeMatch(TFourCC aFourCCPCM16,TFourCC aFourCC);
sl@0: 
sl@0: 	void SeekHwDevicePluginsL(RArray<TFourCC>& aSupportedDataTypes, TUid aCodecType);
sl@0: 
sl@0: 	void ReadSupportedFormatsL(TUid aCodecType, RArray<TUid>& aSupportedFormats);
sl@0: 
sl@0: 	TBool FourCCExists(RArray<TFourCC>& aSupportedDataTypes,TFourCC aFourCCEntry);
sl@0: 
sl@0: 	void ReadFourCC(CImplementationInformation* aHwDeviceResourceEntry, TFourCC& aFourCCLeft, TFourCC& aFourCCRight);
sl@0: 
sl@0: protected:
sl@0: 	void ConstructL(MA3FDevSoundAdaptationInfoObserver& aAdaptationInfoObserver, CFourCCConvertor& aFourCcConvertor);
sl@0: 	CBody();
sl@0: 
sl@0: 	// from CActive
sl@0: 	void RunL();
sl@0: 	void DoCancel();
sl@0: 	TInt RunError(TInt aError);
sl@0: 
sl@0: private:
sl@0: 
sl@0: 	MA3FDevSoundAdaptationInfoObserver* iAdaptationInfoObserver;
sl@0: 
sl@0: 	// Pointer to fourcc convertor
sl@0: 	// Not owned.
sl@0: 	CFourCCConvertor* iFourCcConvertor;
sl@0: 
sl@0: 	TBool iMaxGainRequested;
sl@0: 	TBool iFormatsRequested;
sl@0: 
sl@0: 	TUid iCodecType;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: #endif // DEVSOUNDADAPTATIONINFOIMPLBODY_H