1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/devsound/devsoundrefplugin/src/swcodecwrapper/mmfSwCodecRecordDataPath.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,117 @@
     1.4 +// Copyright (c) 2003-2009 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 __MMFSWCODECRECORDDATAPATH_H__
    1.20 +#define __MMFSWCODECRECORDDATAPATH_H__
    1.21 +
    1.22 +#include "mmfSwCodecDataPath.h"
    1.23 +#include <mmf/server/mmfswcodecwrapper.h>
    1.24 +#include "mmfswaudioinput.h"
    1.25 +
    1.26 +class CMMFSwCodecRecordDataPath; //fwd ref
    1.27 +class MSetVbrFlagCustomInterface;	// fwd ref
    1.28 +
    1.29 +/**
    1.30 + *  Derived class for record datapath internal to the Sw codec wrapper
    1.31 + *  @internalComponent
    1.32 + */
    1.33 +class CMMFSwCodecRecordDataPath : public CMMFSwCodecDataPath,
    1.34 +								  public MSetVbrFlagCustomInterface,
    1.35 +								  public MAudioInputObserver,
    1.36 +								  public MSwSetParamInterface,
    1.37 +								  public MSwInfoInterface
    1.38 +	{
    1.39 +	enum TRecordState
    1.40 +	    {
    1.41 +	    ERecordStateCreated,                       // note order here is important - see State(), RecordOrPause() etc
    1.42 +        ERecordStateFailed,
    1.43 +	    ERecordStateRecording,
    1.44 +        ERecordStateSendingBuffer,
    1.45 +        ERecordStateSendingPartialBuffer,
    1.46 +        ERecordStateEmptiedPartialBuffer,
    1.47 +        ERecordStateRecordingPaused,
    1.48 +        ERecordStateSendingBufferPaused,
    1.49 +        ERecordStateSendingPartialBufferPaused,
    1.50 +        ERecordStateEmptiedPartialBufferPaused,
    1.51 +	    };
    1.52 +public:
    1.53 +	static CMMFSwCodecRecordDataPath* NewL();
    1.54 +	virtual ~CMMFSwCodecRecordDataPath();
    1.55 +
    1.56 +	//From CMMFSwCodecDataPath
    1.57 +	TInt SetObserver(MMMFHwDeviceObserver &aHwObserver);
    1.58 +	TInt AddCodec(CMMFSwCodec& aCodec);
    1.59 +	TInt Start(); //record
    1.60 +	void Stop();
    1.61 +	void Pause();
    1.62 +	void BufferFilledL(CMMFDataBuffer& aBuffer);
    1.63 +	void BufferEmptiedL(const CMMFDataBuffer& aBuffer);
    1.64 +	void SoundDeviceException(TInt aError);
    1.65 +	RMdaDevSound& Device();
    1.66 +	TUint RecordedBytesCount();
    1.67 +	TAny* CustomInterface(TUid aInterfaceId);
    1.68 +	TSwCodecDataPathState State() const;
    1.69 +	//From MSetVbrFlagCustomInterface
    1.70 +	void SetVbrFlag();
    1.71 +	//From MAudioInputObserver
    1.72 +	void InputBufferAvailable(const TDesC8& aBuffer);
    1.73 +	void InputFinished();
    1.74 +	void InputError(TInt aError);
    1.75 +	//From MSwSetParamInerface
    1.76 +	TInt SetSampleRate(TInt aSampleRate);
    1.77 +	TInt SetNumChannels(TInt aNumChannels);
    1.78 +	TInt SetGain(TInt aGain);
    1.79 +	TInt GetBufferSizes(TInt& aMinSize, TInt& aMaxSize);
    1.80 +	//From MSwInfoInterface
    1.81 +	TInt GetSupportedSampleRates(RArray<TInt>& aSupportedSampleRates);
    1.82 +
    1.83 +private:
    1.84 +	CMMFSwCodecRecordDataPath();
    1.85 +	void ConstructL();
    1.86 +	void ProcessBufferL(TBool aLastBuffer);
    1.87 +	TInt EmptyBufferL();
    1.88 +
    1.89 +	TBool RecordOrPause() const;
    1.90 +	TBool IsPaused() const;
    1.91 +
    1.92 +	void RequestCallback();
    1.93 +	TInt DoCallback();
    1.94 +	static TInt Callback(TAny* aPtr);
    1.95 +
    1.96 +	static const TRecordState KResumePauseTable[];
    1.97 +
    1.98 +private:
    1.99 +	MAudioInput* iAudioInput;
   1.100 +	CMMFDataBuffer* iCodecBuffer;
   1.101 +	const TDesC8*	iInputData;	  // not owned - cache of past data
   1.102 +	TPtr8			iShadowData;  // need TPtr8
   1.103 +	TInt 			iInputOffset; // track how much data we've processed from audio input
   1.104 +	CMMFPtrBuffer* 	iInputBuffer; // select from iInputData
   1.105 +	CMMFDataBuffer* iSinkBuffer;  // not owned - pointer to buffer to send to client
   1.106 +	CAsyncCallBack*	iAsyncCallback;
   1.107 +	TInt  iSampleRate;
   1.108 +	TInt  iNumChannels;
   1.109 +	TInt  iGain;
   1.110 +	TUint iSinkBufferSize;
   1.111 +	TUint iAudioInputBufferSize;
   1.112 +	TUint iRecordedBytesCount;
   1.113 +	TBool iVbrFlag;
   1.114 +	TRecordState iState;
   1.115 +    TBool iInputHasFinished; // extension to iState, if we've received InputFinished we don't want to call BufferAck() but signal complete
   1.116 +	RMdaDevSound iDummyDevSound; // TODO - remove when Device() is removed.
   1.117 +	};
   1.118 +
   1.119 +#endif
   1.120 +