sl@0: // Copyright (c) 2004-2009 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 __MMFBTDEVSOUNDSESSIONBODY__H__
sl@0: #define __MMFBTDEVSOUNDSESSIONBODY__H__
sl@0: 
sl@0: #include <e32base.h>
sl@0: #include <mmfbthwdevice2.h>
sl@0: #include "MmfBtDevSoundSession.h"
sl@0: #include "MmfBtDevSoundSessionXtnd.h"
sl@0: #include "BtToneGenerator.h"
sl@0: #include "MmfBtAudioPolicyProxy.h"
sl@0: #include "MmfBtDevSoundInfo.h"
sl@0: #include "BtDevSoundUtility.h"
sl@0: #include "mdasound.h"
sl@0: 
sl@0: //controls buffer sizes
sl@0: const TInt KDevSoundDefaultFrameSize = 0x1000;
sl@0: const TInt KDevSoundMinFrameSize = 0x800; //2K
sl@0: const TInt KDevSoundMaxFrameSize = 0x4000;  //16K
sl@0: const TInt KDevSoundDeltaFrameSize = 0x800; //2K
sl@0: const TInt KDevSoundFramesPerSecond = 4;
sl@0: const TUid KUidBTHeadsetRepository = {0x102070D7};
sl@0: 
sl@0: 
sl@0: //Forward references:
sl@0: class CDevSoundPlayer;
sl@0: class CDevSoundError;
sl@0: class CDevSoundRecorder;
sl@0: class CDevSoundRecordError;
sl@0: class CMMFDevSoundProxyXtnd;
sl@0: 
sl@0: class CMMFHwDevice;
sl@0: class CMMFHwDeviceObserver;
sl@0: class MPlayCustomInterface;
sl@0: class MRecordCustomInterface;
sl@0: class TBTDevAddr;
sl@0: 
sl@0: /*
sl@0:  * AO to handle asynch RoutingSoundDevice Initialisation
sl@0:  *
sl@0:  */
sl@0: class CRoutingSoundDeviceHandler : public CActive
sl@0: 	{
sl@0: public:
sl@0: 	static CRoutingSoundDeviceHandler* NewL(MDevSoundObserver* aObserver);
sl@0: 	~CRoutingSoundDeviceHandler();
sl@0: 	void Start();
sl@0: private:
sl@0: 	void RunL();
sl@0: 	void DoCancel();
sl@0: 	CRoutingSoundDeviceHandler(MDevSoundObserver* aObserver);
sl@0: 	void ConstructL();
sl@0: private:
sl@0: 	MDevSoundObserver* iObserver;	// Not owned
sl@0: 	};
sl@0: 
sl@0: /*
sl@0:  *
sl@0:  *	Reference internals for CMMFDevSound
sl@0:  *  @internalComponent
sl@0:  *
sl@0:  */
sl@0: class CMMFDevSoundSvrImp;
sl@0: NONSHARABLE_CLASS( CMMFDevSoundSvrImp ) : public CBase, public MMMFHwDeviceObserver
sl@0: 	{
sl@0: public:
sl@0: 	static CMMFDevSoundSvrImp* NewL(CMMFDevSoundSessionXtnd* aParent);
sl@0: 	~CMMFDevSoundSvrImp();
sl@0: 
sl@0: 	// Initializes to raw audio data PCM16 and Sampling Rate of 8 KHz. 
sl@0: 	void InitializeL(MDevSoundObserver& aDevSoundObserver, TMMFState aMode);
sl@0: 	// Initializes with hardware device and mode (play, record, convert)
sl@0: 	void InitializeL(MDevSoundObserver& aDevSoundObserver, TUid aHWDev, TMMFState aMode);
sl@0: 	// Initializes with chain of hardware devices and mode (play, record, convert)
sl@0: 	void InitializeL(MDevSoundObserver& aDevSoundObserver, CArrayPtr<TUid> aHWDevArray, TMMFState aMode);
sl@0: 	// Initializes with hardware device associated with specific FourCC code 
sl@0: 	// and desired mode (play, record, convert)
sl@0: 	void InitializeL(MDevSoundObserver& aDevSoundObserver, TFourCC aDesiredFourCC, TMMFState aMode); 
sl@0: 
sl@0: 	// Returns device capabilities
sl@0: 	TMMFCapabilities Capabilities();
sl@0: 	// Returns device configuration
sl@0: 	TMMFCapabilities Config() const;
sl@0: 	// Sets device configuration
sl@0: 	void SetConfigL(const TMMFCapabilities& aCaps);
sl@0: 
sl@0: 	// Returns maximum play volume device supports
sl@0: 	TInt MaxVolume();
sl@0: 	// Returns play volume device is configured to
sl@0: 	TInt Volume();
sl@0: 	// Sets device play volume
sl@0: 	void SetVolume(TInt aVolume);
sl@0: 
sl@0: 	// Returns maximum record gain device supports
sl@0: 	TInt MaxGain();
sl@0: 	// Returns record gain device is configured to
sl@0: 	TInt Gain();
sl@0: 	// Sets device record gain
sl@0: 	void SetGain(TInt aGain);
sl@0: 
sl@0: 	// Returns play balance
sl@0: 	void GetPlayBalanceL(TInt& aLeftPercentage, TInt& aRightPercentage);
sl@0: 	// Sets play balance
sl@0: 	void SetPlayBalanceL(TInt aLeftPercentage, TInt aRightPercentage);
sl@0: 
sl@0: 	// Returns record balance
sl@0: 	void GetRecordBalanceL(TInt& aLeftPercentage, TInt& aRightPercentage);
sl@0: 	// Sets record balance
sl@0: 	void SetRecordBalanceL(TInt aLeftPercentage, TInt aRightPercentage);
sl@0: 
sl@0: 	// Initializes audio device and start play process
sl@0: 	void PlayInitL();
sl@0: 	// Initializes audio device and start record process
sl@0: 	void RecordInitL(const RMmfIpcMessage& aMessage);
sl@0: 	// Plays the data in the buffer
sl@0: 	void PlayData();
sl@0: 	// Records data into buffer
sl@0: 	void RecordData(const RMmfIpcMessage& aMessage);
sl@0: 	// Stops the ongoing operation
sl@0: 	void Stop();
sl@0: 	// Tempororily Stops the ongoing operation
sl@0: 	void Pause();
sl@0: 
sl@0: 	// Returns the Sample recorded so far
sl@0: 	TInt SamplesRecorded();
sl@0: 	// Returns the Sample played so far
sl@0: 	TInt SamplesPlayed();
sl@0: 
sl@0: 	// Initializes device and start playing tone
sl@0: 	void PlayToneL(TInt aFrequency, const TTimeIntervalMicroSeconds& aDuration);
sl@0: 	// Initializes device and start playing dual tone
sl@0: 	void PlayDualToneL(TInt aFrequencyOne, TInt aFrequencyTwo, const TTimeIntervalMicroSeconds& aDuration);
sl@0: 	// Initializes device and start playing DTMF String
sl@0: 	void PlayDTMFStringL(const TDesC& aDTMFString);
sl@0: 	// Initializes device and start playing tone sequence
sl@0: 	void PlayToneSequenceL(const TDesC8& aData);
sl@0: 	// Initializes device and start playing fixed sequence
sl@0: 	void PlayFixedSequenceL(TInt aSequenceNumber);
sl@0: 
sl@0: 	// Sets tone repeat attributes
sl@0: 	void SetToneRepeats(TInt aRepeatCount,
sl@0: 					const TTimeIntervalMicroSeconds& aRepeatTrailingSilence);
sl@0: 	// Sets DTMF tone attributes
sl@0: 	void SetDTMFLengths(TTimeIntervalMicroSeconds32& aToneOnLength,
sl@0: 									TTimeIntervalMicroSeconds32& aToneOffLength,
sl@0: 									TTimeIntervalMicroSeconds32& aPauseLength);
sl@0: 	// Sets volume ramp for playing
sl@0: 	void SetVolumeRamp(const TTimeIntervalMicroSeconds& aRampDuration);
sl@0: 	// Sets priority settings
sl@0: 	void SetPrioritySettings(const TMMFPrioritySettings& aPrioritySettings);
sl@0: 
sl@0: 	// Provides interface for converting data in buffer
sl@0: 	void ConvertInitL();
sl@0: 	// Converts data in the buffer
sl@0: 	void ConvertData();
sl@0: 
sl@0: 	// Provides interface for sending custom commands for the audio device
sl@0: 	TAny* CustomInterface(TUid aInterfaceId);
sl@0: 
sl@0: 	// Provides interface for querying fixed sequence count
sl@0: 	TInt FixedSequenceCount();
sl@0: 	// Provides interface for querying fixed sequence name
sl@0: 	const TDesC& FixedSequenceName(TInt aSequenceNumber);
sl@0: 	// Gets the supported input datatypes
sl@0: 	void GetSupportedInputDataTypesL(RArray<TFourCC>& aSupportedDataTypesconst, const TMMFPrioritySettings& aPrioritySettings) const;
sl@0: 	// Gets the supported output datatypes
sl@0: 	void GetSupportedOutputDataTypesL(RArray<TFourCC>& aSupportedDataTypes, const TMMFPrioritySettings& aPrioritySettings) const;
sl@0: 
sl@0: 	// Interface for Audio Policy
sl@0: 	// Sets id for this DevSound instance
sl@0: 	void SetDevSoundId(TInt aDevSoundId);
sl@0: 	// Returns info about this DevSound instance
sl@0: 	TMMFDevSoundInfo DevSoundInfo();
sl@0: 	// Called by Audio Policy Server when play reqeust is granted
sl@0: 	void StartPlayDataL();
sl@0: 	// Called by Audio Policy Server when record reqeust is granted
sl@0: 	void StartRecordDataL();
sl@0: 	// Called by Audio Policy Server when play tone reqeust is granted
sl@0: 	void StartPlayToneL();
sl@0: 	// Called by Audio Policy Server when play dual tone request is granted
sl@0: 	void StartPlayDualToneL();
sl@0: 	// Called by Audio Policy Server when play DTMF reqeust is granted
sl@0: 	void StartPlayDTMFStringL();
sl@0: 	// Called by Audio Policy Server when play tone sequence reqeust is granted
sl@0: 	void StartPlayToneSequenceL();
sl@0: 	// Called by Audio Policy Server when DevSound instance looses device
sl@0: 	void SendEventToClient(const TMMFEvent& aEvent);
sl@0: 	// Updates the total bytes played from audio device
sl@0: 	void UpdateBytesPlayed();
sl@0: 
sl@0: 	// CMMFHwDevice implementation:
sl@0: 	TInt FillThisHwBuffer(CMMFBuffer& aHwBuffer);
sl@0: 	TInt EmptyThisHwBuffer(CMMFBuffer& aHwBuffer);
sl@0: 	TInt MsgFromHwDevice(TUid aMessageType, const TDesC8& aMsg);
sl@0: 	void Stopped();
sl@0: 	void Error(TInt aError);
sl@0: 	// CMMFHwDevice implementation ends
sl@0: 	
sl@0: 	//provides interface for register a notification event
sl@0: 	TInt RegisterAsClient(TUid aEventType, const TDesC8& aNotificationRegistrationData = KNullDesC8);
sl@0: 	//provides interface to cancel the registered notification
sl@0: 	TInt CancelRegisterAsClient(TUid aEventType);
sl@0: 	//Gets the notification data for client to resume
sl@0: 	TInt GetResourceNotificationData(TUid aEventType, TDes8& aNotificationData);
sl@0: 	//waits for the client to resume playback even after the timeout expires
sl@0: 	TInt WillResumePlay();
sl@0: 
sl@0: private:
sl@0: 	// So that nobody can extend 
sl@0: 	CMMFDevSoundSvrImp(CMMFDevSoundSessionXtnd* aParent);
sl@0: 	// Second phase constructor
sl@0: 	void Construct3L(RServer2& aPolicyServerHandle);
sl@0: 	void PreInitializeL();
sl@0: 	// Initializes format based on format supported
sl@0: 	TInt InitializeFormat(RMdaDevSound::TSoundFormatsSupportedBuf& aSupportedFormat,
sl@0: 		RMdaDevSound::TCurrentSoundFormatBuf& aFormat);
sl@0: 	// Request Policy
sl@0: 	void RequestPolicy();
sl@0: 	// Play tone
sl@0: 	void DoPlayL();
sl@0: 	// Sets active tone
sl@0: 	void SetActiveToneBuffer();
sl@0: 	// Fills free tone buffer with tone data
sl@0: 	TInt FillFreeToneBuffer();
sl@0: 	// Updates the state of audio policy based on the audio policy settings
sl@0: 	TInt UpdatePolicyState();
sl@0: 	// HwDevice implementation begins
sl@0: 	TInt InitTask();
sl@0: 	// Returns Sampling Frequency the device is currently configured to
sl@0: 	TInt SamplingFrequency();
sl@0: 	// Returns number of channels the device is currently configured to
sl@0: 	TInt NumberOfChannels();
sl@0: 	//returns the number of bytes in each audio sample
sl@0: 	TInt BytesPerAudioSample();
sl@0: 	// HwDevice implementation ends
sl@0: 	TInt SetDeviceVolume(TInt aVolume);
sl@0: 	TInt SetPlayFormat(RMdaDevSound::TCurrentSoundFormatBuf& aPlayFormat);
sl@0: 	TInt SetRecordFormat(RMdaDevSound::TCurrentSoundFormatBuf& aRecordFormat);
sl@0: 	TInt SetDeviceRecordLevel(TInt aGain);
sl@0: 	TInt SetDeviceVolumeRamp(const TTimeIntervalMicroSeconds& aRampDuration);
sl@0: 
sl@0: private:
sl@0: 
sl@0: 	CMMFDevSoundSessionXtnd& iParent;	
sl@0: 
sl@0: 	//Objects (owned or referred to):
sl@0: 	RMMFAudioPolicyProxy*	iAudioPolicyProxy;
sl@0: 	CMMFAudioPolicyRequest*	iAudioPolicyRequest;
sl@0: 	MDevSoundObserver*		iDevSoundObserver;
sl@0: 
sl@0: 	// Handles receiving events
sl@0: 	CMMFDevSoundEventHandler* iDevSoundEventHandler;
sl@0: 
sl@0: 	//WINS Sound Device Structures
sl@0: 	RMdaDevSound::TSoundFormatsSupportedBuf iPlayFormatsSupported;
sl@0: 	RMdaDevSound::TCurrentSoundFormatBuf	iPlayFormat;
sl@0: 	RMdaDevSound::TSoundFormatsSupportedBuf iRecordFormatsSupported;
sl@0: 	RMdaDevSound::TCurrentSoundFormatBuf	iRecordFormat;
sl@0: 
sl@0: 	// DevSound capabilities
sl@0: 	TMMFCapabilities		iDeviceCapabilities;
sl@0: 	// Current Configuration
sl@0: 	TMMFCapabilities		iDeviceConfig;
sl@0: 
sl@0: 	// AudioPolicy priority used to communicate with server
sl@0: 	TMMFAudioPolicyPrioritySettings	iAudioPolicyPrioritySettings;
sl@0: 
sl@0: 	MPlayCustomInterface* iPlayCustomInterface;
sl@0: 	MRecordCustomInterface* iRecordCustomInterface;
sl@0: 
sl@0: 	// Bytes of audio data played in current play cycle
sl@0: 	TInt					iPlayedBytesCount;
sl@0: 	// Bytes of audio data recorded in current record cycle
sl@0: 	TInt					iRecordedBytesCount;
sl@0: 	TInt					iGain;
sl@0: 	TInt					iVolume;
sl@0: 	TMMFDevSoundInfo		iDevSoundInfo;
sl@0: 
sl@0: 	//Tone Stuff:
sl@0: 	MMdaToneSynthesis*			iCurrentGenerator;
sl@0: 	TMdaSimpleToneGenerator		iToneGen;
sl@0: 	TMdaDualToneGenerator		iDualToneGen;
sl@0: 	TMdaDTMFGenerator			iDTMFGen;
sl@0: 	TMdaSequenceGenerator		iSequenceGen; // Not Supported
sl@0: 	TInt						iRepeatCount;
sl@0: 	TTimeIntervalMicroSeconds	iRepeatTrailingSilence;
sl@0: 	TTimeIntervalMicroSeconds	iRampDuration;
sl@0: 	// Double buffer tone playing
sl@0: 	CMMFDataBuffer*				iToneBuffer1;
sl@0: 	CMMFDataBuffer*				iToneBuffer2;
sl@0: 	// Reference to current tone buffer playing
sl@0: 	CMMFDataBuffer*				iActiveToneBuffer;
sl@0: 
sl@0: 	// Hardware device implementation
sl@0: 	CMMFHwDevice2*				iCMMFHwDevice;
sl@0: 
sl@0: 	// Mode in which DevSound instance will be used for
sl@0: 	TMMFState					iMode;
sl@0: 	// Reference to hardware buffer
sl@0: 	CMMFDataBuffer*				iHwDeviceBuffer;
sl@0: 	
sl@0: 	TBool						iLastBufferReceived;
sl@0: 
sl@0: 	// Holds true of Audio data given to DevSound needs to ramped up
sl@0: 	CMMFDevSoundUtility*		iDevSoundUtil;
sl@0: 
sl@0: 	// Fixed sequence related
sl@0: 	CPtrC8Array*				iFixedSequences;	// Holds the fixed sequence data
sl@0: 	TPtrC8						iFixedSequence;		// Holds reference to current sequence
sl@0: 
sl@0: 	// Balance
sl@0: 	TInt						iLeftPlayBalance;
sl@0: 	TInt						iRightPlayBalance;
sl@0: 
sl@0: 	TInt						iLeftRecordBalance;
sl@0: 	TInt						iRightRecordBalance;
sl@0: 
sl@0: 	TBool						iPaused;
sl@0: 
sl@0: 	TUid                        iHwDeviceID;
sl@0: 
sl@0: 	// Hardware device initialization parameters
sl@0: 	THwDeviceInitParams			iDevInfo;
sl@0: 
sl@0: 	TBool                      iFirstCallFromHwDevice;
sl@0: 
sl@0: 	// AO to manage the initialisation of the RoutingSoundDevice
sl@0: 	CRoutingSoundDeviceHandler* iRSDHandler;
sl@0: 	
sl@0: 	friend class CMMFDevSoundSession;
sl@0: 	};
sl@0: 
sl@0: #include "MmfBtDevSoundSessionBody.inl"
sl@0: 
sl@0: #endif // __MMFBTDEVSOUNDSESSIONBODY__H__