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