1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/devsound/sounddevbt/src/Plugin/HwDevice/Audio/MmfBtPcmU8ToPcm16HwDevice.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,61 @@
     1.4 +// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// src\Plugin\HwDevice\Audio\MmfBtPcmU8ToPcm16HwDevice.h
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +#ifndef __MMF_BT_PCMU8_TO_PCM16_HW_DEVICE_H__
    1.22 +#define __MMF_BT_PCMU8_TO_PCM16_HW_DEVICE_H__
    1.23 +
    1.24 +#include <mmfbtswcodecwrapper.h>
    1.25 +#include "MmfBtAudioCodec.h"
    1.26 +#include "MMFAudioU8ToS16PcmCodec.h"
    1.27 +
    1.28 +const TInt KPCMU8ToPCM16SourceBufferSize = 0x0800;
    1.29 +const TInt KPCMU8ToPCM16SinkBufferSize   = 0x1000; //sink buffer length is twice source
    1.30 +
    1.31 +/*
    1.32 +* 
    1.33 +* class CMMFPcmU8ToPcm16HwDevice
    1.34 +*
    1.35 +*/
    1.36 +class CMMFPcmU8ToPcm16HwDevice : public CMMFSwCodecWrapper
    1.37 +	{
    1.38 +public:
    1.39 +	static  CMMFPcmU8ToPcm16HwDevice* NewL();
    1.40 +	virtual CMMFSwCodec& Codec();
    1.41 +    ~CMMFPcmU8ToPcm16HwDevice(); 
    1.42 +private:
    1.43 +	void ConstructL();
    1.44 +	};
    1.45 +
    1.46 +/*
    1.47 +*
    1.48 +* class CMMFPcmU8ToPcm16Codec converts Pcm 8 unsigned to Pcm16
    1.49 +*
    1.50 +*/
    1.51 +class CMMFPcmU8ToPcm16Codec : public CMMFSwCodec
    1.52 +	{
    1.53 +public:
    1.54 +	virtual TCodecProcessResult ProcessL(const CMMFBuffer& aSource, CMMFBuffer& aDest);
    1.55 +	virtual TUint SourceBufferSize() {return KPCMU8ToPCM16SourceBufferSize;};
    1.56 +	virtual TUint SinkBufferSize() {return KPCMU8ToPCM16SinkBufferSize;};
    1.57 +private:
    1.58 +	TBool CheckPreconditions( const CMMFDataBuffer* aSrcBuffer, CMMFDataBuffer* aDestBuffer );
    1.59 +private:
    1.60 +	TMMFAudioU8ToS16PcmCodec iAudioU8ToS16Pcm ;
    1.61 +	};
    1.62 +
    1.63 +#endif //__MMF_BT_PCMU8_TO_PCM16_HW_DEVICE_H__
    1.64 +