// 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\MmfBtPcmU8ToPcm16HwDevice.h

 // 

 //

 #ifndef __MMF_BT_PCMU8_TO_PCM16_HW_DEVICE_H__

 #define __MMF_BT_PCMU8_TO_PCM16_HW_DEVICE_H__

 #include <mmfbtswcodecwrapper.h>

 #include "MmfBtAudioCodec.h"

 #include "MMFAudioU8ToS16PcmCodec.h"

 const TInt KPCMU8ToPCM16SourceBufferSize = 0x0800;

 const TInt KPCMU8ToPCM16SinkBufferSize   = 0x1000; //sink buffer length is twice source

 /*

 * 

 * class CMMFPcmU8ToPcm16HwDevice

 *

 */

 class CMMFPcmU8ToPcm16HwDevice : public CMMFSwCodecWrapper

 	{

 public:

 	static  CMMFPcmU8ToPcm16HwDevice* NewL();

 	virtual CMMFSwCodec& Codec();

     ~CMMFPcmU8ToPcm16HwDevice(); 

 private:

 	void ConstructL();

 	};

 /*

 *

 * class CMMFPcmU8ToPcm16Codec converts Pcm 8 unsigned to Pcm16

 *

 */

 class CMMFPcmU8ToPcm16Codec : public CMMFSwCodec

 	{

 public:

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

 	virtual TUint SourceBufferSize() {return KPCMU8ToPCM16SourceBufferSize;};

 	virtual TUint SinkBufferSize() {return KPCMU8ToPCM16SinkBufferSize;};

 private:

 	TBool CheckPreconditions( const CMMFDataBuffer* aSrcBuffer, CMMFDataBuffer* aDestBuffer );

 private:

 	TMMFAudioU8ToS16PcmCodec iAudioU8ToS16Pcm ;

 	};

 #endif //__MMF_BT_PCMU8_TO_PCM16_HW_DEVICE_H__