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 AUDIODEVICE_H
sl@0: #define AUDIODEVICE_H
sl@0: 
sl@0: #include <e32msgqueue.h>
sl@0: #include <mdf/mdfprocessingunit.h>
sl@0: #include <mdf/mdfinputport.h>
sl@0: #include <mdf/mdfoutputport.h>
sl@0: #include <mmf/server/mmfhwdevicesetup.h>
sl@0: #include <mdf/mdfcommon.h>
sl@0: 
sl@0: #ifdef SYMBIAN_MDF_SHAREDCHUNK_SOUNDDRIVER
sl@0: 	#include "mdasoundadapter.h"
sl@0: #else
sl@0: 	#include <mdasound.h>
sl@0: #endif
sl@0: 
sl@0: class CMMFBuffer;
sl@0: 
sl@0: /* 
sl@0: Audio Sink/Source processing unit
sl@0: */
sl@0: class CAudioDevice : public CMdfProcessingUnit			   
sl@0: 	{
sl@0: public:	
sl@0: 	/* 
sl@0: 	Audio Sink/Source input port
sl@0: 	*/
sl@0: 	class CInputPort: public CActive, 
sl@0: 					  public MMdfInputPort, 
sl@0: 					  public MPlayCustomInterface
sl@0: 		{
sl@0: 	public:	
sl@0: 		static CInputPort* NewL(CAudioDevice& aParent);
sl@0: 		
sl@0: 		// from MMdfInputPort
sl@0: 		TInt MipConfigure(const TPuConfig&  aConfiguration);
sl@0: 		TInt MipGetConfig(TPuConfig& aConfigurationSetup);
sl@0: 		void MipInitialize();
sl@0: 		void MipSetObserver(const MMdfInputPortObserver& aInputPortObserver);
sl@0: 		CMMFBuffer* MipCreateBuffer(TInt aBufferSize);
sl@0: 		TInt MipUseBuffer(CMMFBuffer& aBuffer);
sl@0: 		TInt MipFreeBuffer(CMMFBuffer* aBuffer);
sl@0: 		TInt MipTunnelRequest(const MMdfOutputPort& aOutputPortToBeConnectedTo,
sl@0: 			TTunnelFlags& aTunnelFlags, TSupplierType& aSupplierType);
sl@0: 		void MipWriteData(CMMFBuffer& aBuffer);
sl@0: 		void MipDisconnectTunnel();
sl@0: 		void MipRestartTunnel();
sl@0: 		TBool MipIsTunnelled() const;
sl@0: 		TInt MipIndex() const;
sl@0: 		TUint32 MipBufferSize() const;
sl@0: 		TInt MipCreateCustomInterface(TUid aUid);
sl@0: 		TAny* MipCustomInterface(TUid aUid);
sl@0: 		
sl@0: 		// from MPlayCustomInterface
sl@0: 		void SetVolume(TUint aVolume);
sl@0: 		TUint Volume();
sl@0: 		TUint BytesPlayed();
sl@0: 		void SetVolumeRamp(const TTimeIntervalMicroSeconds& aRampDuration);
sl@0: 		TTimeIntervalMicroSeconds& VolumeRamp();
sl@0: 		TInt SampleRate();
sl@0: 		TInt Channels();
sl@0: 				
sl@0: 		// from CActive
sl@0: 		void RunL();
sl@0: 		void DoCancel();
sl@0: 		
sl@0: 		// CInputPort
sl@0: 		void Execute();
sl@0: 		void Pause();
sl@0: 		void Stop();
sl@0: 		~CInputPort();
sl@0: 		
sl@0: 	private:
sl@0: 		explicit CInputPort(CAudioDevice& aParent);
sl@0: 		void ConstructL();
sl@0: 	private:
sl@0: 		CMMFBuffer* 			iCurrentBuffer;
sl@0: 		CAudioDevice& 			iParent;
sl@0: 		MMdfOutputPort*			iPortConnectedTo;
sl@0: 		RPointerArray<CMMFBuffer> 	iBuffers;
sl@0: 		MMdfInputPortObserver* 		iObserver;
sl@0: 		TInt 					iSampleRate;
sl@0: 		TInt 					iChannels;
sl@0: 		TBool 				iInterleaved;	
sl@0: 		TUint 				iVolume;
sl@0: 		TTimeIntervalMicroSeconds 	iRampDuration;
sl@0: 		TUint 				iBytesPlayed;
sl@0: 		TBool 				iPaused;
sl@0: 		TBool 				iStopped;
sl@0: 		TUint 				iBufferSize;
sl@0: 		};
sl@0: 	/* 
sl@0: 	Audio Sink/Source output port
sl@0: 	*/	
sl@0: 	class COutputPort:  public CActive, 
sl@0: 						public MMdfOutputPort,
sl@0: 						public MRecordCustomInterface
sl@0: 		{
sl@0: 	public:	
sl@0: 		static COutputPort* NewL(CAudioDevice& aParent);
sl@0: 		
sl@0: 		// from MMdfOutputPort
sl@0: 		TInt MopConfigure(const TPuConfig&  aConfiguration);
sl@0: 		TInt MopGetConfig(TPuConfig& aConfigurationSetup);
sl@0: 		void MopInitialize();
sl@0: 		void MopSetObserver(const MMdfOutputPortObserver& aOutputPortObserver);
sl@0: 		CMMFBuffer* MopCreateBuffer(TInt aBufferSize);
sl@0: 		TInt MopUseBuffer(CMMFBuffer& aBuffer);
sl@0: 		TInt MopFreeBuffer(CMMFBuffer* aBuffer);
sl@0: 		TInt MopTunnelRequest(const MMdfInputPort& aInputPortToBeConnectedTo,
sl@0: 			TTunnelFlags& aTunnelFlags, TSupplierType& aSupplierType);
sl@0: 		void MopReadData(CMMFBuffer& aBuffer);
sl@0: 		void MopDisconnectTunnel();
sl@0: 		void MopRestartTunnel();
sl@0: 		TBool MopIsTunnelled() const;
sl@0: 		TInt MopIndex() const;
sl@0: 		TUint32 MopBufferSize() const;
sl@0: 		TInt MopCreateCustomInterface(TUid aUid);
sl@0: 		TAny* MopCustomInterface(TUid aUid);
sl@0: 		
sl@0: 		// from MRecordCustomInterface
sl@0: 		void SetGain(TUint aGain);
sl@0: 		TUint Gain();
sl@0: 		TUint BytesRecorded();
sl@0: 		TInt SampleRate();
sl@0: 		TInt Channels();
sl@0: 		
sl@0: 		// from CActive		
sl@0: 		void RunL();
sl@0: 		void DoCancel();
sl@0: 		
sl@0: 		// COutputPort
sl@0: 		~COutputPort();
sl@0: 		void Execute();
sl@0: 		void Pause();
sl@0: 		void Stop();
sl@0: 
sl@0: 	private:
sl@0: 		explicit COutputPort(CAudioDevice& aParent);
sl@0: 		void ConstructL();
sl@0: 	private:
sl@0: 		CMMFBuffer* 			iCurrentBuffer;
sl@0: 		CAudioDevice& 			iParent;			
sl@0: 		RPointerArray<CMMFBuffer> 	iBuffers;
sl@0: 		MMdfOutputPortObserver* 	iObserver;
sl@0: 		MMdfInputPort*			iPortConnectedTo;
sl@0: 		TInt 					iSampleRate;
sl@0: 		TInt 					iChannels;
sl@0: 		TBool 				iInterleaved;
sl@0: 		TUint 				iGain;
sl@0: 		TUint 				iBytesRecorded;
sl@0: 		TBool 				iPaused;
sl@0: 		TUint 				iBufferSize;
sl@0: 		};
sl@0: public:
sl@0: 	static CAudioDevice* NewL();
sl@0: 	// from CMdfProcessingUnit
sl@0: 	TInt Create(const MMdfProcessingUnitObserver& aProcessingUnitObserver);
sl@0: 	TInt GetInputPorts(RPointerArray<MMdfInputPort>& aComponentInputPorts);
sl@0: 	TInt GetOutputPorts(RPointerArray<MMdfOutputPort>& aComponentOutputPorts);
sl@0: 	TInt Configure(const TPuConfig& aConfigurationSetup);
sl@0: 	TInt GetConfig(TPuConfig& aConfigurationSetup);
sl@0: 	void Initialize();
sl@0: 	void Execute (); 
sl@0: 	TInt Pause ();
sl@0: 	void Stop ();
sl@0: 	TProcessingUnitState State();
sl@0: 	TInt CreateCustomInterface(TUid aUid);
sl@0: 	TAny* CustomInterface(TUid aUid);
sl@0: 	
sl@0: 	// CAudioDevice
sl@0: 	RMdaDevSound& SoundDevice();
sl@0: 	MMdfProcessingUnitObserver* Observer();
sl@0: 	~CAudioDevice();
sl@0: 	
sl@0: private:
sl@0: 	CAudioDevice();	
sl@0: 	void ConstructL();
sl@0: private:
sl@0: 	CInputPort* 			iInputPort;
sl@0: 	COutputPort* 			iOutputPort;
sl@0: 	RMdaDevSound			iSoundDevice;
sl@0: 	MMdfProcessingUnitObserver*	iObserver;
sl@0: 	TProcessingUnitState 		iState;
sl@0: 	};
sl@0: 	
sl@0: #endif // AUDIODEVICE_H