sl@0: // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #ifndef __MMFBTSWCODECRECORDDATAPATH_H__
sl@0: #define __MMFBTSWCODECRECORDDATAPATH_H__
sl@0: 
sl@0: #include "mmfBtSwCodecDataPath.h"
sl@0: 
sl@0: class CMMFSwCodecRecordDataPath; //fwd ref
sl@0: class CRoutingSoundRecordDevice;	// fwd ref
sl@0: 
sl@0: /**
sl@0:  * Active object used by the CMMFSwCodecPlayDataPath to get data from the sound
sl@0:  * driver.  This particular active object encapsulates the asynchronous record
sl@0:  * function, where a buffer of data is received from the WINS audio device, 
sl@0:  * and the active object's RunL is called when the buffer has been created by 
sl@0:  * the WINS audio device.
sl@0:  * @internalComponent
sl@0:  */
sl@0: class CDataPathRecorder : public CActive
sl@0: 	{
sl@0: public:
sl@0: 	CDataPathRecorder(CMMFSwCodecRecordDataPath& aParent, TInt aPriority);
sl@0: 	~CDataPathRecorder();
sl@0: 	void Start();
sl@0: 	void RecordData(CMMFDataBuffer& aData);
sl@0: 	void Stop();
sl@0: 	virtual void RunL();
sl@0: 	virtual TInt RunError(TInt aError);
sl@0: 	virtual void DoCancel();
sl@0: 	virtual void Error(TInt aError);
sl@0: private:
sl@0: 	CMMFSwCodecRecordDataPath& iParent;
sl@0: 	CMMFDataBuffer* iDataFromSource;
sl@0: 	TBool iStopping;
sl@0: 	};
sl@0: 
sl@0: /**
sl@0:  * Active object used by CMMFSwCodecPlayDataPath to listening for error messages
sl@0:  * from the WINS audio device.  If this object's RunL is called, recording has 
sl@0:  * been terminated for some reason.  The active object then notifies its parent, 
sl@0:  * so that proper cleanup and client notification can occur.
sl@0:  * @internalComponent
sl@0:  */
sl@0: class CSoundDevRecordErrorReceiver : public CActive
sl@0: 	{
sl@0: public:
sl@0: 	CSoundDevRecordErrorReceiver(CMMFSwCodecRecordDataPath& aParent, TInt aPriority);
sl@0: 	~CSoundDevRecordErrorReceiver();
sl@0: 	void Start();
sl@0: 	void Stop();
sl@0: 	virtual void RunL();
sl@0: 	virtual void DoCancel();
sl@0: private:
sl@0: 	CMMFSwCodecRecordDataPath& iParent;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: /**
sl@0:  *  Derived class for play datapath internal to the Sw codec wrapper
sl@0:  *  @internalComponent
sl@0:  */
sl@0: class CMMFSwCodecRecordDataPath : public CMMFSwCodecDataPath
sl@0: 	{ 
sl@0: public:	
sl@0: 	static CMMFSwCodecRecordDataPath* NewL(CRoutingSoundRecordDevice* aSoundDevice);
sl@0: 	virtual ~CMMFSwCodecRecordDataPath();
sl@0: 	virtual TInt SetObserver(MMMFHwDeviceObserver &aHwObserver);
sl@0: 	virtual TInt AddCodec(CMMFSwCodec& aCodec);
sl@0: 	virtual TInt Start(); //record
sl@0: 	virtual void Stop();
sl@0: 	virtual void Pause();
sl@0: 	virtual void BufferFilledL(CMMFDataBuffer& aBuffer);
sl@0: 	virtual void BufferEmptiedL(const CMMFDataBuffer& aBuffer);	
sl@0: 	virtual void SoundDeviceException(TInt aError);
sl@0: 	virtual CRoutingSoundRecordDevice* Device();
sl@0: 	virtual TUint RecordedBytesCount(); 
sl@0: protected:	
sl@0: 	CMMFSwCodecRecordDataPath(CRoutingSoundRecordDevice* aSoundDevice) : iSoundDevice(aSoundDevice) {};
sl@0: 	void ConstructL();
sl@0: 	void FillSoundDeviceBufferL();
sl@0: 	void FillSinkBufferL();
sl@0: protected: 
sl@0: 	CDataPathRecorder* iAudioRecorder;
sl@0: 	CSoundDevRecordErrorReceiver* iSoundDeviceErrorReceiver;
sl@0: 	CRoutingSoundRecordDevice* iSoundDevice;	// Not owned.
sl@0: 	CMMFDataBuffer* iSinkBuffer;
sl@0: 	CMMFDataBuffer* iSoundDeviceBuffer;
sl@0: 	TUint iSinkBufferSize;
sl@0: 	TUint iSoundDevBufferSize;
sl@0: 	TUint iRecordedBytesCount;
sl@0: 	TUid iDeviceUid;
sl@0: 	};
sl@0: 
sl@0: #endif
sl@0: