// Copyright (c) 2002-2009 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:

 // src\plugin\Hwdevice\audio\MmfBtPcm16ToPcm16HwDevice.h

 // 

 //

 #ifndef __MMF_BT_PCM16_TO_PCM16_HW_DEVICE_H__

 #define __MMF_BT_PCM16_TO_PCM16_HW_DEVICE_H__

 #include <mmfbtswcodecwrapper.h>

 #include <mdasound.h>

 #include "../../../swcodecwrapper/mmfBtSwCodecDataPath.h"

 //note we need to keep this buffer at 8K as the tone utility expects 8K

 const TInt KPCM16ToPCM16BufferSize = 0x2000;

 const TInt KDevSoundMinFrameSize = 0x800; //2K

 const TInt KDevSoundMaxFrameSize = 0x4000;  //16K

 const TInt KDevSoundDeltaFrameSize = 0x800; //2K

 const TInt KDevSoundFramesPerSecond = 4;

 /*

 *

 * class CMMFPcm16ToPcm16HwDevice

 *

 */

 class CMMFPcm16ToPcm16HwDevice : public CMMFSwCodecWrapper

 	{

 public:

 	static  CMMFPcm16ToPcm16HwDevice* NewL();

 	virtual CMMFSwCodec& Codec();

 	~CMMFPcm16ToPcm16HwDevice(); 

 	TUint CalculateBufferSize();

 private:

 	void ConstructL();

 	};

 /*

 *

 * class CMMFPcm16ToPcm16Codec converts Pcm16 to pcm16

 *

 */

 class CMMFPcm16ToPcm16Codec : public CMMFSwCodec

 	{

 public:

 	virtual TCodecProcessResult ProcessL(const CMMFBuffer& /*aSource*/, CMMFBuffer& /*aDest*/);

 //	virtual TUint SourceBufferSize() {return KPCM16ToPCM16BufferSize;};

 //	virtual TUint SinkBufferSize() {return KPCM16ToPCM16BufferSize;};

 	virtual TUint SourceBufferSize();

 	virtual TUint SinkBufferSize();

 	virtual TBool IsNullCodec() {return ETrue;};

 	void SetHwDevice(CMMFPcm16ToPcm16HwDevice* aHwDevice);

 private:

 	TUint iBufferSize;

 	CMMFPcm16ToPcm16HwDevice* iHwDevice;

 	};

 #endif //__MMF_BT_PCM16_TO_PCM16_HW_DEVICE_H__