Symaptic: os/mm/devsound/sounddevbt/src/swcodecwrapper/mmfBtSwCodecRecordDataPath.h@260cb5ec6c19

     1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    16 #ifndef __MMFBTSWCODECRECORDDATAPATH_H__

    17 #define __MMFBTSWCODECRECORDDATAPATH_H__

    19 #include "mmfBtSwCodecDataPath.h"

    21 class CMMFSwCodecRecordDataPath; //fwd ref

    22 class CRoutingSoundRecordDevice;	// fwd ref

    24 /**

    25  * Active object used by the CMMFSwCodecPlayDataPath to get data from the sound

    26  * driver.  This particular active object encapsulates the asynchronous record

    27  * function, where a buffer of data is received from the WINS audio device,

    28  * and the active object's RunL is called when the buffer has been created by

    29  * the WINS audio device.

    30  * @internalComponent

    31  */

    32 class CDataPathRecorder : public CActive

    33 	{

    34 public:

    35 	CDataPathRecorder(CMMFSwCodecRecordDataPath& aParent, TInt aPriority);

    36 	~CDataPathRecorder();

    37 	void Start();

    38 	void RecordData(CMMFDataBuffer& aData);

    39 	void Stop();

    40 	virtual void RunL();

    41 	virtual TInt RunError(TInt aError);

    42 	virtual void DoCancel();

    43 	virtual void Error(TInt aError);

    44 private:

    45 	CMMFSwCodecRecordDataPath& iParent;

    46 	CMMFDataBuffer* iDataFromSource;

    47 	TBool iStopping;

    48 	};

    50 /**

    51  * Active object used by CMMFSwCodecPlayDataPath to listening for error messages

    52  * from the WINS audio device.  If this object's RunL is called, recording has

    53  * been terminated for some reason.  The active object then notifies its parent,

    54  * so that proper cleanup and client notification can occur.

    55  * @internalComponent

    56  */

    57 class CSoundDevRecordErrorReceiver : public CActive

    58 	{

    59 public:

    60 	CSoundDevRecordErrorReceiver(CMMFSwCodecRecordDataPath& aParent, TInt aPriority);

    61 	~CSoundDevRecordErrorReceiver();

    62 	void Start();

    63 	void Stop();

    64 	virtual void RunL();

    65 	virtual void DoCancel();

    66 private:

    67 	CMMFSwCodecRecordDataPath& iParent;

    68 	};

    71 /**

    72  *  Derived class for play datapath internal to the Sw codec wrapper

    73  *  @internalComponent

    74  */

    75 class CMMFSwCodecRecordDataPath : public CMMFSwCodecDataPath

    76 	{

    77 public:

    78 	static CMMFSwCodecRecordDataPath* NewL(CRoutingSoundRecordDevice* aSoundDevice);

    79 	virtual ~CMMFSwCodecRecordDataPath();

    80 	virtual TInt SetObserver(MMMFHwDeviceObserver &aHwObserver);

    81 	virtual TInt AddCodec(CMMFSwCodec& aCodec);

    82 	virtual TInt Start(); //record

    83 	virtual void Stop();

    84 	virtual void Pause();

    85 	virtual void BufferFilledL(CMMFDataBuffer& aBuffer);

    86 	virtual void BufferEmptiedL(const CMMFDataBuffer& aBuffer);

    87 	virtual void SoundDeviceException(TInt aError);

    88 	virtual CRoutingSoundRecordDevice* Device();

    89 	virtual TUint RecordedBytesCount();

    90 protected:

    91 	CMMFSwCodecRecordDataPath(CRoutingSoundRecordDevice* aSoundDevice) : iSoundDevice(aSoundDevice) {};

    92 	void ConstructL();

    93 	void FillSoundDeviceBufferL();

    94 	void FillSinkBufferL();

    95 protected:

    96 	CDataPathRecorder* iAudioRecorder;

    97 	CSoundDevRecordErrorReceiver* iSoundDeviceErrorReceiver;

    98 	CRoutingSoundRecordDevice* iSoundDevice;	// Not owned.

    99 	CMMFDataBuffer* iSinkBuffer;

   100 	CMMFDataBuffer* iSoundDeviceBuffer;

   101 	TUint iSinkBufferSize;

   102 	TUint iSoundDevBufferSize;

   103 	TUint iRecordedBytesCount;

   104 	TUid iDeviceUid;

   105 	};

   107 #endif

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--