// Copyright (c) 2001-2009 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:

// File:		DevSoundUtility.h

// Author:		Vasudevan Ramachandraiah

// Date:		July 16, 2002

// Class that provides API to list ECOM plugin implementation IDs

// (c) Nokia Inc.

// Revisions:

// Date:			Author			Description

// 

//

#ifndef __MMFDEVSOUNDUTILITY_H

#define __MMFDEVSOUNDUTILITY_H

#include <ecom/ecom.h>

#include <badesca.h>

#include "mmfutilities.h" // For TFourCC

#define KFourCCLength 4

class TMMFRawPackage

/**

*@internalTechnology

*/

	{

public:

	inline TPtr8& Package();

	inline const TPtr8& Package() const;

protected:

	TMMFRawPackage(TInt aDerivedSize);

	inline void SetSize(TInt aDerivedSize);

protected:

	TPtr8 iThis;

	};

class TMMFToneFixedSequenceNames : public TMMFRawPackage

/**

*@internalTechnology

*/

	{

public:

	inline TMMFToneFixedSequenceNames();

public:

	TInt iCount;

	};

class HMMFToneFixedSequenceNames : public TMMFToneFixedSequenceNames

/**

*@internalTechnology

*/

	{

public:

	HMMFToneFixedSequenceNames();

	HMMFToneFixedSequenceNames* AddNameL(const TDesC& aName);

	};

class CMMFDevSoundUtility : public CBase

/**

*internalTechnology

*/

	{

public:

	// Destructor

	~CMMFDevSoundUtility();

	static CMMFDevSoundUtility* NewL();

	static CMMFDevSoundUtility* NewLC();

	void SeekUsingFourCCL(TUid aInterfaceUid, RImplInfoPtrArray& aPlugInArray, const TFourCC& aSrcDataType, const TFourCC& aDstDataType, const TDesC& aPreferredSupplier);

	void SelectByPreference(RImplInfoPtrArray& aPlugInArray, const TDesC& aPreferredSupplier);

	void SeekHwDevicePluginsL(RArray<TFourCC>& aSupportedDataTypes, TMMFState aState);

#ifdef SYMBIAN_MULTIMEDIA_CODEC_API

	void FindHwDeviceAdapterL(TUid aInterfaceUid, RImplInfoPtrArray& aPlugInArray);

	void SeekCodecPluginsL(RArray<TFourCC>& aSupportedDataTypes, TMMFState aState, TBool aAppend);

#endif // SYMBIAN_MULTIMEDIA_CODEC_API

	void InitializeFixedSequenceL(CPtrC8Array** aFixedSequences);

	TBool RecognizeSequence(const TDesC8& aData);

	const TDesC& FixedSequenceName(TInt aSequenceNumber);

private:

	CMMFDevSoundUtility();

	void ConstructL();

	TBool IsDataTypeMatch(CImplementationInformation* hwDeviceResourceEntry,const TDesC8& fourCCPtrPCM16, TMMFState aState);

private:

	HMMFToneFixedSequenceNames* iFixedSequenceNames;

	HBufC8* iInfo;

	} ;

#endif // __MMFDEVSOUNDUTILITY_H