devsound/sounddevbt/src/Plugin/HwDevice/Audio/MmfBtPcm16ToPcmU16BEHwDevice.h
author William Roberts <williamr@symbian.org>
Fri, 11 Jun 2010 16:28:33 +0100
branchGCC_SURGE
changeset 22 cf8ecedf4192
parent 0 40261b775718
permissions -rw-r--r--
Branch for GCC_SURGE fixes
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// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#ifndef __MMF_BT_PCM16_TO_PCMU16BE_HW_DEVICE_H__
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#define __MMF_BT_PCM16_TO_PCMU16BE_HW_DEVICE_H__
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#include <mmfbtswcodecwrapper.h>
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#include "MmfBtAudioCodec.h"
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#include "MMFAudioPcm16ToPcmU16BECodec.h"
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const TInt KPCM16ToPCMU16BeSourceBufferSize = 0x1000;
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const TInt KPCM16ToPCMU16BeSinkBufferSize   = KPCM16ToPCMU16BeSourceBufferSize; 
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/*
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*
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* CMMFPcm16ToPcmU16BEHwDevice
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*
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*/      
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class CMMFPcm16ToPcmU16BEHwDevice: public CMMFSwCodecWrapper
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	{
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public:
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	static  CMMFPcm16ToPcmU16BEHwDevice* NewL();
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	virtual CMMFSwCodec& Codec();
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	~CMMFPcm16ToPcmU16BEHwDevice(); 
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private:
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	void ConstructL();
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	};
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/*
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*
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* class CMMFPcm16ToPcmU16BECodec comverts PCM16 to pcm16 unsigned big endian
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*
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*/
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class CMMFPcm16ToPcmU16BECodec : public CMMFSwCodec
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	{
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public:
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	virtual TCodecProcessResult ProcessL(const CMMFBuffer& aSource, CMMFBuffer& aDest);
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	virtual TUint SourceBufferSize() {return KPCM16ToPCMU16BeSourceBufferSize;};
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	virtual TUint SinkBufferSize() {return KPCM16ToPCMU16BeSinkBufferSize;};
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private:
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	TBool CheckPreconditions( const CMMFDataBuffer* aSrcBuffer, CMMFDataBuffer* aDestBuffer );
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private:
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	TMMFAudioPcm16ToPcmU16BECodec iAudioPcm16ToPcmU16Be ;
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	};
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#endif //__MMF_BT_PCM16_TO_PCMU16BE_HW_DEVICE_H__
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