1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/devsound/sounddevbt/src/swcodecwrapper/mmfBtSwCodecRecordDataPath.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,108 @@
     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 __MMFBTSWCODECRECORDDATAPATH_H__
    1.20 +#define __MMFBTSWCODECRECORDDATAPATH_H__
    1.21 +
    1.22 +#include "mmfBtSwCodecDataPath.h"
    1.23 +
    1.24 +class CMMFSwCodecRecordDataPath; //fwd ref
    1.25 +class CRoutingSoundRecordDevice;	// fwd ref
    1.26 +
    1.27 +/**
    1.28 + * Active object used by the CMMFSwCodecPlayDataPath to get data from the sound
    1.29 + * driver.  This particular active object encapsulates the asynchronous record
    1.30 + * function, where a buffer of data is received from the WINS audio device, 
    1.31 + * and the active object's RunL is called when the buffer has been created by 
    1.32 + * the WINS audio device.
    1.33 + * @internalComponent
    1.34 + */
    1.35 +class CDataPathRecorder : public CActive
    1.36 +	{
    1.37 +public:
    1.38 +	CDataPathRecorder(CMMFSwCodecRecordDataPath& aParent, TInt aPriority);
    1.39 +	~CDataPathRecorder();
    1.40 +	void Start();
    1.41 +	void RecordData(CMMFDataBuffer& aData);
    1.42 +	void Stop();
    1.43 +	virtual void RunL();
    1.44 +	virtual TInt RunError(TInt aError);
    1.45 +	virtual void DoCancel();
    1.46 +	virtual void Error(TInt aError);
    1.47 +private:
    1.48 +	CMMFSwCodecRecordDataPath& iParent;
    1.49 +	CMMFDataBuffer* iDataFromSource;
    1.50 +	TBool iStopping;
    1.51 +	};
    1.52 +
    1.53 +/**
    1.54 + * Active object used by CMMFSwCodecPlayDataPath to listening for error messages
    1.55 + * from the WINS audio device.  If this object's RunL is called, recording has 
    1.56 + * been terminated for some reason.  The active object then notifies its parent, 
    1.57 + * so that proper cleanup and client notification can occur.
    1.58 + * @internalComponent
    1.59 + */
    1.60 +class CSoundDevRecordErrorReceiver : public CActive
    1.61 +	{
    1.62 +public:
    1.63 +	CSoundDevRecordErrorReceiver(CMMFSwCodecRecordDataPath& aParent, TInt aPriority);
    1.64 +	~CSoundDevRecordErrorReceiver();
    1.65 +	void Start();
    1.66 +	void Stop();
    1.67 +	virtual void RunL();
    1.68 +	virtual void DoCancel();
    1.69 +private:
    1.70 +	CMMFSwCodecRecordDataPath& iParent;
    1.71 +	};
    1.72 +
    1.73 +
    1.74 +/**
    1.75 + *  Derived class for play datapath internal to the Sw codec wrapper
    1.76 + *  @internalComponent
    1.77 + */
    1.78 +class CMMFSwCodecRecordDataPath : public CMMFSwCodecDataPath
    1.79 +	{ 
    1.80 +public:	
    1.81 +	static CMMFSwCodecRecordDataPath* NewL(CRoutingSoundRecordDevice* aSoundDevice);
    1.82 +	virtual ~CMMFSwCodecRecordDataPath();
    1.83 +	virtual TInt SetObserver(MMMFHwDeviceObserver &aHwObserver);
    1.84 +	virtual TInt AddCodec(CMMFSwCodec& aCodec);
    1.85 +	virtual TInt Start(); //record
    1.86 +	virtual void Stop();
    1.87 +	virtual void Pause();
    1.88 +	virtual void BufferFilledL(CMMFDataBuffer& aBuffer);
    1.89 +	virtual void BufferEmptiedL(const CMMFDataBuffer& aBuffer);	
    1.90 +	virtual void SoundDeviceException(TInt aError);
    1.91 +	virtual CRoutingSoundRecordDevice* Device();
    1.92 +	virtual TUint RecordedBytesCount(); 
    1.93 +protected:	
    1.94 +	CMMFSwCodecRecordDataPath(CRoutingSoundRecordDevice* aSoundDevice) : iSoundDevice(aSoundDevice) {};
    1.95 +	void ConstructL();
    1.96 +	void FillSoundDeviceBufferL();
    1.97 +	void FillSinkBufferL();
    1.98 +protected: 
    1.99 +	CDataPathRecorder* iAudioRecorder;
   1.100 +	CSoundDevRecordErrorReceiver* iSoundDeviceErrorReceiver;
   1.101 +	CRoutingSoundRecordDevice* iSoundDevice;	// Not owned.
   1.102 +	CMMFDataBuffer* iSinkBuffer;
   1.103 +	CMMFDataBuffer* iSoundDeviceBuffer;
   1.104 +	TUint iSinkBufferSize;
   1.105 +	TUint iSoundDevBufferSize;
   1.106 +	TUint iRecordedBytesCount;
   1.107 +	TUid iDeviceUid;
   1.108 +	};
   1.109 +
   1.110 +#endif
   1.111 +