1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/devsound/sounddevbt/src/swcodecwrapper/mmfBtSwCodecPlayDataPath.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,128 @@
     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 __MMFBTSWCODECPLAYDATAPATH_H__
    1.20 +#define __MMFBTSWCODECPLAYDATAPATH_H__
    1.21 +
    1.22 +
    1.23 +#include "mmfBtSwCodecDataPath.h"
    1.24 +#include "mmfbtswcodecwrapper.h"
    1.25 +
    1.26 +
    1.27 +class CMMFSwCodecPlayDataPath; //fwd ref
    1.28 +class CMMFSwCodecUtility;	// fwd ref
    1.29 +
    1.30 +class CRoutingSoundPlayDevice;	// fwd ref
    1.31 +
    1.32 +/**
    1.33 + * Active object used by the CMMFSwCodecPlayDataPath to send data to the sound
    1.34 + * driver  This particular active object encapsulates the asynchronous play 
    1.35 + * function, where a buffer of data is sent to the WINS audio device, and the
    1.36 + * active object's RunL is called when the buffer has been consumed by the 
    1.37 + * WINS audio device.
    1.38 + * @internalComponent
    1.39 + */
    1.40 +class CDataPathPlayer : public CActive
    1.41 +	{
    1.42 +public:
    1.43 +	CDataPathPlayer(CMMFSwCodecPlayDataPath& aParent, TInt aPriority);
    1.44 +	~CDataPathPlayer();
    1.45 +	void Start();
    1.46 +	void ResumePlaying();
    1.47 +	void PlayData(const CMMFDataBuffer& aData);
    1.48 +	void Stop();
    1.49 +	virtual void RunL();
    1.50 +	virtual TInt RunError(TInt aError);
    1.51 +	virtual void DoCancel();
    1.52 +	virtual void Error(TInt aError);
    1.53 +private:
    1.54 +	CMMFSwCodecPlayDataPath& iParent;
    1.55 +	const CMMFDataBuffer* iDataFromSource;
    1.56 +	TBool iResumePlaying;
    1.57 +	};
    1.58 +
    1.59 +/*
    1.60 +* Active object used by CMMFSwCodecPlayDataPath to listening for error messages
    1.61 +* from the WINS audio device.  If this object's RunL is called, playback has 
    1.62 +* been terminated for some reason.  The active object then 
    1.63 +* notifies its parent the datapath, so that proper cleanup and client 
    1.64 +* notification can occur.
    1.65 +* @internalComponent
    1.66 +*/
    1.67 +class CSoundDevPlayErrorReceiver : public CActive
    1.68 +	{
    1.69 +public:
    1.70 +	CSoundDevPlayErrorReceiver(CMMFSwCodecPlayDataPath& aParent, TInt aPriority);
    1.71 +	~CSoundDevPlayErrorReceiver();
    1.72 +	void Start();
    1.73 +	void Stop();
    1.74 +	virtual void RunL();
    1.75 +	virtual void DoCancel();
    1.76 +private:
    1.77 +	CMMFSwCodecPlayDataPath& iParent;
    1.78 +	};
    1.79 +
    1.80 +
    1.81 +/**
    1.82 + *  Derived class for play datapath internal to the Sw codec wrapper
    1.83 + *  @internalComponent
    1.84 + */
    1.85 +class CMMFSwCodecPlayDataPath : public CMMFSwCodecDataPath
    1.86 +	{ 
    1.87 +public:	
    1.88 +	static CMMFSwCodecPlayDataPath* NewL(CRoutingSoundPlayDevice* aSoundDevice,
    1.89 +										 TUid aDeviceUid);
    1.90 +	virtual ~CMMFSwCodecPlayDataPath(); 
    1.91 +	virtual TInt SetObserver(MMMFHwDeviceObserver &aHwObserver);
    1.92 +	virtual TInt AddCodec(CMMFSwCodec& aCodec);
    1.93 +	virtual TInt Start();
    1.94 +	virtual void Stop();
    1.95 +	virtual void Pause();
    1.96 +	virtual void BufferFilledL(CMMFDataBuffer& aBuffer);
    1.97 +	virtual void BufferEmptiedL(const CMMFDataBuffer& aBuffer);
    1.98 +	virtual void SoundDeviceException(TInt aError);
    1.99 +	virtual CRoutingSoundPlayDevice* Device();
   1.100 +	virtual void SetPlayCustomInterface(MPlayCustomInterface& aCustomInterface);
   1.101 +	virtual void SetConfigForAudioRamp(TUint aSampleRate, TUint aChannels); //need for audio ramper
   1.102 +protected:	
   1.103 +	CMMFSwCodecPlayDataPath(CRoutingSoundPlayDevice* aSoundDevice, TUid aDeviceUid) :
   1.104 +							iSoundDevice(aSoundDevice), iDeviceUid(aDeviceUid) {};
   1.105 +	void ConstructL();
   1.106 +	void FillSourceBufferL();
   1.107 +	void FillSoundDeviceBufferL();
   1.108 +protected: 
   1.109 +	CDataPathPlayer* iAudioPlayer;
   1.110 +	CSoundDevPlayErrorReceiver* iSoundDeviceErrorReceiver;
   1.111 +	CRoutingSoundPlayDevice* iSoundDevice;	// Not owned
   1.112 +	CMMFDataBuffer* iSourceBuffer;
   1.113 +	CMMFDataBuffer* iSoundDeviceBuffer;
   1.114 +	TBool iNoMoreSourceData;
   1.115 +	TBool iSinkCanReceive;
   1.116 +	TUint iSourceBufferSize;
   1.117 +	TUint iSoundDevBufferSize;
   1.118 +	CMMFSwCodecUtility* iUtility;
   1.119 +	TBool iRampAudioSample;
   1.120 +	MPlayCustomInterface* iCustomInterface;	// not owned
   1.121 +	TTimeIntervalMicroSeconds iVolumeRamp;
   1.122 +	
   1.123 +	// DEF048512
   1.124 +	TInt iSampleRate;
   1.125 +	TInt iChannels;
   1.126 +	
   1.127 +	TUid iDeviceUid;	// required to close the RoutingSoundPlayDevice
   1.128 +	};
   1.129 +
   1.130 +#endif
   1.131 +