diff -r 000000000000 -r 40261b775718 devsound/devsoundrefplugin/src/plugin/audio/MmfPcm16toAlawhwDevice.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/devsound/devsoundrefplugin/src/plugin/audio/MmfPcm16toAlawhwDevice.h Tue Feb 02 01:56:55 2010 +0200 @@ -0,0 +1,59 @@ +/* +* Copyright (c) 2002-2003 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: +* +*/ + +#ifndef __MMF_PCM16_TO_ALAW_HW_DEVICE_H__ +#define __MMF_PCM16_TO_ALAW_HW_DEVICE_H__ +#include +#include "MMFAudioCodec.h" +#include "MMFAudioSPcm16ToALawCodec.h" + +const TInt KPCM16ToALawSrcBufferSize = 0x2000; +const TInt KPCM16ToAlawSinkBufferSize = 0x1000; + +/* +* +* class CMMFPcm16ToAlawHwDevice +* +*/ +class CMMFPcm16ToAlawHwDevice : public CMMFSwCodecWrapper + { +public: + static CMMFPcm16ToAlawHwDevice* NewL(); + virtual CMMFSwCodec& Codec(); + ~CMMFPcm16ToAlawHwDevice(); +private: + void ConstructL(); + }; + +/* +* +* class CMMFPcm16ToALawCodec coverts PCM to ALaw +* +*/ +class CMMFPcm16ToALawCodec : public CMMFSwCodec + { +public: + virtual TCodecProcessResult ProcessL(const CMMFBuffer& aSource, CMMFBuffer& aDest); + virtual TUint SourceBufferSize() {return KPCM16ToALawSrcBufferSize;}; + virtual TUint SinkBufferSize() {return KPCM16ToAlawSinkBufferSize;}; +private: + TBool CheckPreconditions( const CMMFDataBuffer* aSrcBuffer, CMMFDataBuffer* aDestBuffer ); +private: + TMMFAudioSPcm16ToAlawCodec iPcm16ToALaw; + }; + +#endif //__MMF_PCM16_TO_ALAW_HW_DEVICE_H__