// Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

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

 // which accompanies this distribution, and is available

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

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 //

 #include <mmf/server/sounddevice.h>

 #include "SoundDeviceBody.h"

 /*

  *

  *	Default Constructor.

  *

  *

  */

 CMMFDevSound::CMMFDevSound()

 	{

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Destructor.

  *

  *	Deletes all objects and releases all resource owned by this

  *	instance.

  *

  */

 EXPORT_C CMMFDevSound::~CMMFDevSound()

 	{

 	delete iBody;

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Constructs, and returns a pointer to, a new CMMFDevSound object.

  *

  *	Leaves on failure.

  *

  */

 EXPORT_C CMMFDevSound* CMMFDevSound::NewL()

 	{

 	CMMFDevSound* self = new (ELeave) CMMFDevSound;

 	CleanupStack::PushL(self);

 	self->ConstructL();

 	CleanupStack::Pop();

 	return self;

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Second phase constructor.

  *

  */

 void CMMFDevSound::ConstructL()

 	{

 	iBody = CBody::NewL();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Initializes CMMFDevSound object to play and record PCM16 raw audio data

  *	with sampling rate of 8 KHz.

  *

  *	On completion of Initialization, calls InitializeComplete() on

  *	aDevSoundObserver.

  *

  *	Leaves on failure.

  *

  *	@param	"aDevSoundObserver"

  *			A reference to DevSound Observer instance.

  *

  *	@param	"aMode"

  *			Mode for which this object will be used.

  *

  */

 EXPORT_C void CMMFDevSound::InitializeL(MDevSoundObserver& aDevSoundObserver, TMMFState aMode)

 	{

 	iBody->InitializeL(aDevSoundObserver,aMode);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Initializes DevSound object for the mode aMode for processing audio data

  *	with hardware device aHWDev.

  *

  *	On completion of Initialization, the observer will be notified via call back

  *	InitializeComplete().

  *

  *	Leaves on failure.

  *

  *	@param	"aDevSoundObserver"

  *			A reference to DevSound Observer instance.

  *

  *	@param	"aHWDev"

  *			CMMFHwDevice implementation identifier.

  *

  *	@param	"aMode"

  *			Mode for which this object will be used.

  *

  */

 EXPORT_C void CMMFDevSound::InitializeL(MDevSoundObserver& aDevSoundObserver, TUid aHWDev, TMMFState aMode)

 	{

 	iBody->InitializeL(aDevSoundObserver, aHWDev, aMode);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Initializes DevSound object for the mode aMode for processing audio data

  *	with hardware device supporting FourCC aDesiredFourCC.

  *

  *	On completion of Initialization, the observer will be notified via call back

  *	InitializeComplete().

  *

  *	Leaves on failure.

  *

  *	@param	"aDevSoundObserver"

  *			A reference to DevSound Observer instance.

  *

  *	@param	"aDesiredFourCC"

  *			CMMFHwDevice implementation FourCC.

  *

  *	@param	"aMode"

  *			Mode for which this object will be used.

  *

  */

 EXPORT_C void CMMFDevSound::InitializeL(MDevSoundObserver& aDevSoundObserver, 

 										  TFourCC aDesiredFourCC, TMMFState aMode)

 	{

 	iBody->InitializeL(aDevSoundObserver, aDesiredFourCC, aMode);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Returns the supported Audio settings.

  *

  *	@return	"TMMFCapabilities"

  *			Device settings.

  *

  */

 EXPORT_C TMMFCapabilities CMMFDevSound::Capabilities()

 	{

 	return iBody->Capabilities();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Returns the current audio settings.

  *

  *	@return	"TMMFCapabilities"

  *			Device settings.

  *

  */

 EXPORT_C TMMFCapabilities CMMFDevSound::Config() const

 	{

 	return iBody->Config();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Configure CMMFDevSound object for the settings in aConfig.

  *

  *	Use this to set sampling rate, Encoding and Mono/Stereo.

  *

  *	@param	"aConfig"

  *			Attribute values to which CMMFDevSound object will be configured to.

  *

  */

 EXPORT_C void CMMFDevSound::SetConfigL(const TMMFCapabilities& aConfig)

 	{

 	iBody->SetConfigL(aConfig);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Returns an integer representing the maximum volume.

  *

  *	This is the maximum value which can be passed to CMMFDevSound::SetVolume.

  *

  *	@return	"TInt"

  *			The maximum volume. This value is platform dependent but is always

  *			greater than or equal to one.

  *

  */

 EXPORT_C TInt CMMFDevSound::MaxVolume()

 	{

 	return iBody->MaxVolume();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Returns an integer representing the current volume.

  *

  *	@return	"TInt"

  *			The current volume level.

  *

  */

 EXPORT_C TInt CMMFDevSound::Volume()

 	{

 	return iBody->Volume();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Changes the current playback volume to a specified value.

  *

  *	The volume can be changed before or during playback and is effective

  *	immediately.

  *

  *	@param	"aVolume"

  *			The volume setting. This can be any value from zero to the value

  *			returned by a call to CMMFDevSound::MaxVolume(). If the

  *			volume is not within this range, the volume is automatically set to

  *			minimum or maximum value based on the value that is being passed.

  *			Setting a zero value mutes the sound. Setting the maximum value

  *			results in the loudest possible sound.

  *

  */

 EXPORT_C void CMMFDevSound::SetVolume(TInt aVolume)

 	{

 	iBody->SetVolume(aVolume);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Returns an integer representing the maximum gain.

  *

  *	This is the maximum value which can be passed to CMMFDevSound::SetGain.

  *

  *	@return	"TInt"

  *			The maximum gain. This value is platform dependent but is always

  *			greater than or equal to one.

  *

  */

 EXPORT_C TInt CMMFDevSound::MaxGain()

 	{

 	return iBody->MaxGain();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Returns an integer representing the current gain.

  *

  *	@return	"TInt"

  *			The current gain level.

  *

  */

 EXPORT_C TInt CMMFDevSound::Gain()

 	{

 	return iBody->Gain();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Changes the current recording gain to a specified value.

  *

  *	The gain can be changed before or during recording and is effective

  *	immediately.

  *

  *	@param	"TInt aGain"

  *			The gain setting. This can be any value from zero to the value

  *			returned by a call to CMMFDevSound::MaxGain(). If the

  *			volume is not within this range, the gain is automatically set to

  *			minimum or maximum value based on the value that is being passed.

  *			Setting a zero value mutes the sound. Setting the maximum value

  *			results in the loudest possible sound.

  *

  */

 EXPORT_C void CMMFDevSound::SetGain(TInt aGain)

 	{

 	iBody->SetGain(aGain);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Returns the speaker balance set for playing.

  *

  *	Leaves on failure.

  *

  *	@param	"aLeftPrecentage"

  *			On return contains the left speaker volume percentage.

  *

  *	@param	"aRightPercentage"

  *			On return contains the right speaker volume percentage.

  *

  */

 EXPORT_C void CMMFDevSound::GetPlayBalanceL(TInt& aLeftPercentage, TInt& aRightPercentage)

 	{

 	iBody->GetPlayBalanceL(aLeftPercentage, aRightPercentage);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Sets the speaker balance for playing.

  *

  *	The speaker balance can be changed before or during playback and is

  *	effective immediately.

  *

  *	@param	"aLeftPercentage"

  *			On return contains left speaker volume perecentage. This can be any

  *			value from zero to 100. Setting a zero value mutes the sound on left

  *			speaker.

  *

  *	@param	"aRightPercentage"

  *			On return contains right speaker volume perecentage. This can be any

  *			value from zero to 100. Setting a zero value mutes the sound on

  *			right speaker.

  *

  */

 EXPORT_C void CMMFDevSound::SetPlayBalanceL(TInt aLeftPercentage, TInt aRightPercentage)

 	{

 	iBody->SetPlayBalanceL(aLeftPercentage, aRightPercentage);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Returns the microphone gain balance set for recording.

  *

  *	Leaves on failure.

  *

  *	@param	"aLeftPercentage"

  *			On return contains the left microphone gain percentage.

  *

  *	@param	"aRightPercentage"

  *			On return contains the right microphone gain percentage.

  *

  */

 EXPORT_C void CMMFDevSound::GetRecordBalanceL(TInt& aLeftPercentage, TInt& aRightPercentage)

 	{

 	iBody->GetRecordBalanceL(aLeftPercentage, aRightPercentage);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Sets the microphone gain balance for recording.

  *

  *	The microphone gain balance can be changed before or during recording and

  *	is effective immediately.

  *

  *	@param	"aLeftPercentage"

  *			Left microphone gain precentage. This can be any value from zero to

  *			100. Setting a zero value mutes the gain on left microphone.

  *

  *	@param	"aRightPercentage"

  *			Right microphone gain precentage. This can be any value from zero to

  *			100. Setting a zero value mutes the gain on right microphone.

  *

  */

 EXPORT_C void CMMFDevSound::SetRecordBalanceL(TInt aLeftPercentage, TInt aRightPercentage)

 	{

 	iBody->SetRecordBalanceL(aLeftPercentage, aRightPercentage);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Initializes audio device and start play process. This method queries and

  *	acquires the audio policy before initializing audio device. If there was an

  *	error during policy initialization, PlayError() method will be called on

  *	the observer with error code KErrAccessDenied, otherwise BufferToBeFilled()

  *	method will be called with a buffer reference. After reading data into the

  *	buffer reference passed, the client should call PlayData() to play data.

  *

  *	The amount of data that can be played is specified in

  *	CMMFBuffer::RequestSize(). Any data that is read into buffer beyond this

  *	size will be ignored.

  *

  *	Leaves on failure.

  *

  */

 EXPORT_C void CMMFDevSound::PlayInitL()

 	{

 	iBody->PlayInitL();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Initializes audio device and start record process. This method queries and

  *	acquires the audio policy before initializing audio device. If there was an

  *	error during policy initialization, RecordError() method will be called on

  *	the observer with error code KErrAccessDenied, otherwise BufferToBeEmptied()

  *	method will be called with a buffer reference. This buffer contains recorded

  *	or encoded data. After processing data in the buffer reference passed, the

  *	client should call RecordData() to continue recording process.

  *

  *	The amount of data that is available is specified in

  *	CMMFBuffer::RequestSize().

  *

  *	Leaves on failure.

  *

  */

 EXPORT_C void CMMFDevSound::RecordInitL()

 	{

 	iBody->RecordInitL();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Plays data in the buffer at the current volume. The client should fill

  *	the buffer with audio data before calling this method. The Observer gets

  *	reference to buffer along with callback BufferToBeFilled(). When playing of

  *	the audio sample is complete, successfully or otherwise, the method

  *	PlayError() on observer is called.

  *

  */

 EXPORT_C void CMMFDevSound::PlayData()

 	{

 	iBody->PlayData();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Contine the process of recording. Once the buffer is filled with recorded

  *	data, the Observer gets reference to buffer along with callback

  *	BufferToBeEmptied(). After processing the buffer (copying over to a

  *	different buffer or writing to file) the client should call this

  *	method to continue recording process.

  *

  */

 EXPORT_C void CMMFDevSound::RecordData()

 	{

 	iBody->RecordData();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Stops the ongoing operation (Play, Record, TonePlay, Convert)

  *

  */

 EXPORT_C void CMMFDevSound::Stop()

 	{

 	iBody->Stop();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Temporarily Stops the ongoing operation (Play, Record, TonePlay, Convert)

  *

  */

 EXPORT_C void CMMFDevSound::Pause()

 	{

 	iBody->Pause();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Returns the sample recorded so far.

  *

  *	@return "TInt"

  *			Returns the samples recorded.

  *

  */

 EXPORT_C TInt CMMFDevSound::SamplesRecorded()

 	{ 

 	return iBody->SamplesRecorded();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Returns the sample played so far.

  *

  *	@return "TInt"

  *			Returns the samples recorded.

  *

  */

 EXPORT_C TInt CMMFDevSound::SamplesPlayed()

 	{ 

 	return iBody->SamplesPlayed();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Initializes audio device and start playing tone. Tone is played with

  *	frequency and for duration specified.

  *

  *	Leaves on failure.

  *

  *	@param	"aFrequency"

  *			Frequency at with the tone will be played.

  *

  *	@param	"aDuration"

  *			The period over which the tone will be played. A zero value causes

  *			the no tone to be played (Verify this with test app).

  *

  */

 EXPORT_C void CMMFDevSound::PlayToneL(TInt aFrequency, const TTimeIntervalMicroSeconds& aDuration)

 	{

 	iBody->PlayToneL(aFrequency, aDuration);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Initializes audio device and start playing a dual tone. 

  *  The tone consists of two sine waves of different frequencies summed together

  *  Dual Tone is played with specified frequencies and for specified duration.

  *

  *	@param	"aFrequencyOne"

  *			First frequency of dual tone

  *

  *	@param	"aFrequencyTwo"

  *			Second frequency of dual tone

  *

  *	@param	"aDuration"

  *			The period over which the tone will be played. A zero value causes

  *			the no tone to be played (Verify this with test app).

  */

 EXPORT_C void CMMFDevSound::PlayDualToneL(TInt aFrequencyOne, TInt aFrequencyTwo, const TTimeIntervalMicroSeconds& aDuration)

 	{

 	iBody->PlayDualToneL(aFrequencyOne, aFrequencyTwo, aDuration);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Initializes audio device and start playing DTMF string aDTMFString.

  *

  *	Leaves on failure.

  *

  *	@param	"aDTMFString"

  *			DTMF sequence in a descriptor.

  *

  */

 EXPORT_C void CMMFDevSound::PlayDTMFStringL(const TDesC& aDTMFString)

 	{

 	iBody->PlayDTMFStringL(aDTMFString);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Initializes audio device and start playing tone sequence.

  *

  *	Leaves on failure.

  *

  *	@param	"TDesC8& aData"

  *			Tone sequence in a descriptor.

  *

  */

 EXPORT_C void CMMFDevSound::PlayToneSequenceL(const TDesC8& aData)

 	{

 	iBody->PlayToneSequenceL(aData);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Initializes audio device and start playing the specified pre-defined tone

  *	sequence.

  *

  *	Leaves on failure.

  *

  *	@param	"aSequenceNumber"

  *			The index identifying the specific pre-defined tone sequence. Index

  *			values are relative to zero.

  *			This can be any value from zero to the value returned by a call to

  *			FixedSequenceCount() - 1.

  *			The function raises a panic if sequence number is not within this

  *			range.

  *	@see	FixedSequenceCount()

  *

  */

 EXPORT_C void CMMFDevSound::PlayFixedSequenceL(TInt aSequenceNumber)

 	{

 	iBody->PlayFixedSequenceL(aSequenceNumber);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Defines the number of times the audio is to be repeated during the tone

  *	playback operation.

  *

  *	A period of silence can follow each playing of tone. The tone playing can

  *	be repeated indefinitely.

  *

  *	@param	" aRepeatCount"

  *			The number of times the tone, together with the trailing silence,

  *			is to be repeated. If this is set to KMdaRepeatForever, then the

  *			tone, together with the trailing silence, is repeated indefinitely

  *			or until Stop() is called. If this is set to zero, then the tone is

  *			not repeated.

  *

  *			Supported only during tone playing.

  *

  */

 EXPORT_C void CMMFDevSound::SetToneRepeats(TInt aRepeatCount,

 				const TTimeIntervalMicroSeconds& aRepeatTrailingSilence)

 	{

 	iBody->SetToneRepeats(aRepeatCount, aRepeatTrailingSilence);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Defines the duration of tone on, tone off and tone pause to be used during the

  *	DTMF tone playback operation.

  *

  *	Supported only during tone playing.

  *

  *	@param	"aToneOnLength"

  *			The period over which the tone will be played. If this is set to

  *			zero, then the tone is not played.

  *

  *	@param	"aToneOffLength"

  *			The period over which the no tone will be played.

  *

  *	@param	"aPauseLength"

  *			The period over which the tone playing will be paused.

  *

  */

 EXPORT_C void CMMFDevSound::SetDTMFLengths(TTimeIntervalMicroSeconds32& aToneOnLength,

 								TTimeIntervalMicroSeconds32& aToneOffLength,

 								TTimeIntervalMicroSeconds32& aPauseLength) 

 	{

 	iBody->SetDTMFLengths(aToneOnLength, aToneOffLength, aPauseLength);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Defines the period over which the volume level is to rise smoothly from

  *	nothing to the normal volume level.

  *

  *	@param	"aRampDuration"

  *			The period over which the volume is to rise. A zero value causes 

  *			the tone sample to be played at the normal level for the full

  *			duration of the playback. A value, which is longer than the duration

  *			of the tone sample, that the sample never reaches its normal

  *			volume level.

  *

  *

  */

 EXPORT_C void CMMFDevSound::SetVolumeRamp(const TTimeIntervalMicroSeconds& aRampDuration)

 	{	

 	iBody->SetVolumeRamp(aRampDuration);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Defines the priority settings that should be used for this instance.

  *

  *	@param	"aPrioritySettings"

  *			An class type representing the client's priority, priority 

  *			preference and state.

  *

  */

 EXPORT_C void CMMFDevSound::SetPrioritySettings(const TMMFPrioritySettings& aPrioritySettings)

 	{

 	iBody->SetPrioritySettings(aPrioritySettings);

 	}

 EXPORT_C TAny* CMMFDevSound::CustomInterface(TUid aInterface)

 	{

 	return iBody->CustomInterface(aInterface);

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Returns the number of available pre-defined tone sequences.

  *

  *	This is the number of fixed sequence supported by DevSound by default.

  *

  *	@return	"TInt"

  *			The fixed sequence count. This value is implementation dependent

  *			but is always greater than or equal to zero.

  *

  */

 EXPORT_C TInt CMMFDevSound::FixedSequenceCount()

 	{

 	return iBody->FixedSequenceCount();

 	}

 /*

  *  -doxygen comments moved to header-

  *

  *	Returns the name assigned to a specific pre-defined tone sequence.

  *

  *	This is the number of fixed sequence supported by DevSound by default.

  *

  *	The function raises a panic if sequence number specified invalid.

  *

  *	@return	"TDesC&"

  *			A reference to a Descriptor containing the fixed sequence

  *			name indexed by aSequenceNumber.

  *

  *	@param	"aSequenceNumber"

  *			The index identifying the specific pre-defined tone sequence. Index

  *			values are relative to zero.

  *			This can be any value from zero to the value returned by a call to

  *			FixedSequenceCount() - 1.

  *			The function raises a panic if sequence number is not within this

  *			range.

  *

  *	@see	FixedSequenceCount()

  *

  */

 EXPORT_C const TDesC& CMMFDevSound::FixedSequenceName(TInt aSequenceNumber)

 	{

 	return iBody->FixedSequenceName(aSequenceNumber);

 	}

 /*

  *  -doxygen comments in header-

  */

 EXPORT_C void CMMFDevSound::GetSupportedInputDataTypesL(RArray<TFourCC>& aSupportedDataTypes,const TMMFPrioritySettings& aPrioritySettings) const

 	{

 	iBody->GetSupportedInputDataTypesL(aSupportedDataTypes, aPrioritySettings);

 	}

 /*

  *  -doxygen comments in header-

  */

 EXPORT_C void CMMFDevSound::GetSupportedOutputDataTypesL(RArray<TFourCC>& aSupportedDataTypes, const TMMFPrioritySettings& aPrioritySettings) const

 	{

 	iBody->GetSupportedOutputDataTypesL(aSupportedDataTypes, aPrioritySettings);

 	}

 /********************************************************************************

  *				Non Exported public functions ends here							*

  ********************************************************************************/

 /******************************************************************************

  *	Function Name:	E32Dll

  *	

  *	Description:	Entry point for applications.

  *

  ******************************************************************************/

 enum TDllReason {};

 EXPORT_C TInt E32Dll(TDllReason /*aReason*/)

 	{

 	return KErrNone;

 	}

 // CMMFDevSoundEventHandler::NewL() has been declared in export table

 // but since it is the only class method to be so, and .h is in source

 // it is not actually usable. Just declare the following to keep linker happy

 // Need dummy abstract type - this is not the real class

 class RMMFAudioPolicyProxy;

 class CMMFDevSoundEventHandler : public CActive

 	{

 public:

 	IMPORT_C static CMMFDevSoundEventHandler* NewL(RMMFAudioPolicyProxy*);

 private:

 	CMMFDevSoundEventHandler();

 	};

 EXPORT_C CMMFDevSoundEventHandler* CMMFDevSoundEventHandler::NewL(RMMFAudioPolicyProxy*)

 	{

 	_LIT(KModule, "DevSound");

 	User::Panic(KModule, 1000);

 	return NULL;

 	}

 // default constructor - keep compilers happy

 CMMFDevSoundEventHandler::CMMFDevSoundEventHandler():

 	CActive(0)

 	{

 	}