1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/devsound/sounddevbt/src/swcodecwrapper/mmfBtSwCodecDataPath.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,92 @@
     1.4 +// Copyright (c) 2005-2009 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 +//
    1.18 +
    1.19 +#ifndef __MMFBTSWCODECDATAPATH_H__
    1.20 +#define __MMFBTSWCODECDATAPATH_H__
    1.21 +
    1.22 +#include <e32base.h>
    1.23 +#include <mmf/server/mmfdatabuffer.h>
    1.24 +
    1.25 +class MMMFHwDeviceObserver;
    1.26 +class CMMFSwCodec;
    1.27 +
    1.28 +/**
    1.29 + *  Base class for the datapath internal to the Sw codec wrapper
    1.30 + *  @internalComponent
    1.31 + */
    1.32 +class CMMFSwCodecDataPath : public CBase
    1.33 +	{ 
    1.34 +public: 
    1.35 +	enum TSwCodecDataPathState
    1.36 +	{
    1.37 +	EStopped,
    1.38 +	EPlaying,
    1.39 +	EPaused
    1.40 +	};
    1.41 +public:	
    1.42 +	virtual	~CMMFSwCodecDataPath(); 
    1.43 +	virtual TInt SetObserver(MMMFHwDeviceObserver& aHwObserver) = 0;
    1.44 +	virtual TInt AddCodec(CMMFSwCodec& aCodec) = 0;
    1.45 +	virtual TInt Start() = 0;
    1.46 +	virtual void Stop() = 0;
    1.47 +	virtual void Pause() = 0;
    1.48 +	virtual void BufferFilledL(CMMFDataBuffer& aBuffer) = 0;
    1.49 +	virtual void BufferEmptiedL(const CMMFDataBuffer& aBuffer) = 0;
    1.50 +	virtual void SoundDeviceException(TInt aError) = 0;
    1.51 +	virtual TSwCodecDataPathState State() {return iState;};
    1.52 +protected:	
    1.53 +	CMMFSwCodecDataPath() {};
    1.54 +	inline void Panic(TInt aPanicCode);
    1.55 +	void ConstructL();
    1.56 +
    1.57 +#ifdef __CYCLE_MMF_DATABUFFERS__
    1.58 +	CMMFDataBuffer* CycleAudioBuffer(CMMFDataBuffer* aBuffer);
    1.59 +#endif
    1.60 +
    1.61 +#ifdef __USE_MMF_TRANSFERBUFFERS__
    1.62 +	CMMFTransferBuffer* CreateTransferBufferL(TUint aBufferSize, CMMFTransferBuffer* aOldBuffer);
    1.63 +#endif
    1.64 +
    1.65 +#ifdef __USE_MMF_PTRBUFFERS__
    1.66 +	CMMFPtrBuffer* CreatePtrBufferL(TUint aBufferSize);
    1.67 +#endif
    1.68 +
    1.69 +protected: 
    1.70 +	TSwCodecDataPathState iState;
    1.71 +	MMMFHwDeviceObserver* iHwDeviceObserver;
    1.72 +	CMMFSwCodec* iCodec;
    1.73 +#ifdef __USE_MMF_TRANSFERBUFFERS__
    1.74 +	RTransferBuffer* iTransferBuffer;
    1.75 +	RTransferWindow* iTransferWindow;
    1.76 +#endif
    1.77 +
    1.78 +#ifdef __USE_MMF_PTRBUFFERS__
    1.79 +	HBufC8* iPtrBufferMemoryBlock;
    1.80 +#endif
    1.81 +
    1.82 +	};
    1.83 +
    1.84 +/**
    1.85 + * Internal panic
    1.86 + * @internalComponent
    1.87 + */
    1.88 +inline void CMMFSwCodecDataPath::Panic(TInt aPanicCode)
    1.89 +	{
    1.90 +	_LIT(KMMFSwCodecWrapperPanicCategory, "MMFSwCodecWrapper");
    1.91 +	User::Panic(KMMFSwCodecWrapperPanicCategory, aPanicCode);
    1.92 +	}
    1.93 +
    1.94 +#endif
    1.95 +