// Copyright (c) 2004-2009 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 <f32file.h>

#include <e32math.h>

#include <s32mem.h> 

#include "MmfDevSoundProxy.h"

#include "MmfDevSoundServerStart.h"

#include "MmfBase.hrh"

#include "MmfAudioClientServer.h"

#include <mmf/plugin/mmfdevsoundcustominterface.hrh>

#include <ecom/ecom.h>

/**

@internalTechnology

This function raises a panic

@param	aError

		one of the several panic codes that may be raised by this dll

@panic	EMMFDevSoundProxyPlayDataWithoutInitialize is raised when playdata is called without initialization

@panic	EMMFDevSoundProxyRecordDataWithoutInitialize is raised when recorddata is called without initialization

@panic	EMMFDevSoundProxyConvertDataWithoutInitialize is raised when convertdata is called without initialization

*/

GLDEF_C void Panic(TMMFDevSoundProxyPanicCodes aPanicCode)

	{

	User::Panic(KMMFDevSoundProxyPanicCategory, aPanicCode);

	}

EXPORT_C RMMFDevSoundProxy::RMMFDevSoundProxy()

 : iBuffer(NULL), iSeqName(NULL), iMsgQueueHandle(NULL), iAudioServerProxy (NULL)

 	{ 		

 	}

EXPORT_C void RMMFDevSoundProxy::Close()

	{

	RMmfSessionBase::Close();

	iState = EIdle;

	if(iAudioServerProxy)

		{

		iAudioServerProxy->Close();

		delete iAudioServerProxy;	

		}

	delete iBuffer;

	delete iSeqName;

	}

EXPORT_C TInt RMMFDevSoundProxy::Open(RHandleBase& aMsgQueueHandle)

	{

	TInt err = KErrNone;

	iMsgQueueHandle = &aMsgQueueHandle;

	TRAP(err, iSeqName = HBufC::NewL(KMaxFixedSequenceNameLength));

	if(err == KErrNone)

		{

		TRAP(err, iAudioServerProxy = new (ELeave) RMMFAudioServerProxy());	

		if(err == KErrNone)

			{

			err = iAudioServerProxy->Open();

			if(err == KErrNone)

				{

				err = SetReturnedHandle(iAudioServerProxy->GetDevSoundSessionHandle());	

				}

			}

		}

	if(err)

		{

		Close();

		}

	return err;

	}

EXPORT_C TInt RMMFDevSoundProxy::SetDevSoundInfo()

	{

	return SendReceive(EMMFAudioLaunchRequests);

	}

EXPORT_C TInt RMMFDevSoundProxy::InitializeL(TMMFState aMode)

	{

	TMMFDevSoundProxySettings set;

	set.iMode = aMode;

	TMMFDevSoundProxySettingsPckg pckg(set);

	TIpcArgs args(&pckg, *iMsgQueueHandle);

	return RSessionBase::SendReceive(EMMFDevSoundProxyInitialize1, args);

	}

EXPORT_C TInt RMMFDevSoundProxy::InitializeL(TUid aHWDev, TMMFState aMode)

	{

	TMMFDevSoundProxySettings set;

	set.iHWDev = aHWDev;

	set.iMode = aMode;

	TMMFDevSoundProxySettingsPckg pckg(set);

	TIpcArgs args(&pckg, *iMsgQueueHandle);

	return RSessionBase::SendReceive(EMMFDevSoundProxyInitialize2, args);

	}

EXPORT_C TInt RMMFDevSoundProxy::InitializeL(TFourCC aDesiredFourCC, TMMFState aMode)

	{

	TMMFDevSoundProxySettings set;

	set.iDesiredFourCC = aDesiredFourCC;

	set.iMode = aMode;

	TMMFDevSoundProxySettingsPckg pckg(set);

	TIpcArgs args(&pckg, *iMsgQueueHandle);

	return RSessionBase::SendReceive(EMMFDevSoundProxyInitialize4, args);

	}

EXPORT_C TMMFCapabilities RMMFDevSoundProxy::Capabilities()

	{

	TMMFDevSoundProxySettings set;

	TMMFDevSoundProxySettingsPckg pckg(set);

	SendReceiveResult(EMMFDevSoundProxyCapabilities,KNullDesC8,KNullDesC8,pckg);

	return pckg().iCaps;

	}

EXPORT_C TMMFCapabilities RMMFDevSoundProxy::Config()

	{

	TMMFDevSoundProxySettings set;

	TMMFDevSoundProxySettingsPckg pckg(set);

	SendReceiveResult(EMMFDevSoundProxyConfig,KNullDesC8,KNullDesC8,pckg);

	return pckg().iConfig;

	}

EXPORT_C TInt RMMFDevSoundProxy::SetConfigL(const TMMFCapabilities& aConfig)

	{

	TMMFDevSoundProxySettings set;

	set.iConfig = aConfig;

	TMMFDevSoundProxySettingsPckg pckg(set);

	TInt err = SendReceive(EMMFDevSoundProxySetConfig, pckg);

	User::LeaveIfError(err);	

	return err;

	}

EXPORT_C TInt RMMFDevSoundProxy::MaxVolume()

	{

	TMMFDevSoundProxySettings set;

	TMMFDevSoundProxySettingsPckg pckg(set);

	SendReceiveResult(EMMFDevSoundProxyMaxVolume,KNullDesC8,KNullDesC8,pckg);

	return pckg().iMaxVolume;

	}

EXPORT_C TInt RMMFDevSoundProxy::Volume()

	{

	TMMFDevSoundProxySettings set;

	TMMFDevSoundProxySettingsPckg pckg(set);

	SendReceiveResult(EMMFDevSoundProxyVolume,KNullDesC8,KNullDesC8,pckg);

	return pckg().iVolume;

	}

EXPORT_C TInt RMMFDevSoundProxy::SetVolume(TInt aVolume)

	{

	TMMFDevSoundProxySettings set;

	set.iVolume = aVolume;

	TMMFDevSoundProxySettingsPckg pckg(set);

	return SendReceive(EMMFDevSoundProxySetVolume, pckg);

	}

EXPORT_C TInt RMMFDevSoundProxy::MaxGain()

	{

	TMMFDevSoundProxySettings set;

	TMMFDevSoundProxySettingsPckg pckg(set);

	SendReceiveResult(EMMFDevSoundProxyMaxGain,KNullDesC8,KNullDesC8,pckg);

	return pckg().iMaxGain;

	}

EXPORT_C TInt RMMFDevSoundProxy::Gain()

	{

	TMMFDevSoundProxySettings set;

	TMMFDevSoundProxySettingsPckg pckg(set);

	SendReceiveResult(EMMFDevSoundProxyGain,KNullDesC8,KNullDesC8,pckg);

	return pckg().iGain;

	}

EXPORT_C TInt RMMFDevSoundProxy::SetGain(TInt aGain)

	{

	TMMFDevSoundProxySettings set;

	set.iGain = aGain;

	TMMFDevSoundProxySettingsPckg pckg(set);

	return SendReceive(EMMFDevSoundProxySetGain, pckg);

	}

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

	{

	TMMFDevSoundProxySettings set;

	TMMFDevSoundProxySettingsPckg pckg(set);

	User::LeaveIfError(SendReceiveResult(EMMFDevSoundProxyPlayBalance,KNullDesC8,KNullDesC8,pckg));

	aLeftPercentage = pckg().iLeftPercentage;

	aRightPercentage = pckg().iRightPercentage;

	}

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

	{

	TMMFDevSoundProxySettings set;

	set.iLeftPercentage = aLeftPercentage;

	set.iRightPercentage = aRightPercentage;

	TMMFDevSoundProxySettingsPckg pckg(set);

	User::LeaveIfError(SendReceive(EMMFDevSoundProxySetPlayBalance, pckg));

	}

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

	{

	TMMFDevSoundProxySettings set;

	TMMFDevSoundProxySettingsPckg pckg(set);

	User::LeaveIfError(SendReceiveResult(EMMFDevSoundProxyRecordBalance,KNullDesC8,KNullDesC8,pckg));

	aLeftPercentage = pckg().iLeftPercentage;

	aRightPercentage = pckg().iRightPercentage;

	}

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

	{

	TMMFDevSoundProxySettings set;

	set.iLeftPercentage = aLeftPercentage;

	set.iRightPercentage = aRightPercentage;

	TMMFDevSoundProxySettingsPckg pckg(set);

	User::LeaveIfError(SendReceive(EMMFDevSoundProxySetRecordBalance, pckg));

	}

EXPORT_C void RMMFDevSoundProxy::PlayInitL()

	{

	User::LeaveIfError(SendReceive(EMMFDevSoundProxyPlayInit));

	iState = EPlaying;

	}

EXPORT_C void RMMFDevSoundProxy::RecordInitL()

	{

	User::LeaveIfError(SendReceive(EMMFDevSoundProxyRecordInit));

	iState = ERecording;

	}

EXPORT_C void RMMFDevSoundProxy::PlayData()

	{

	__ASSERT_ALWAYS(iState == EPlaying, Panic(EMMFDevSoundProxyPlayDataWithoutInitialize));

	TMMFDevSoundProxyHwBuf set;

	set.iLastBuffer = iBuffer->LastBuffer();	

	TMMFDevSoundProxyHwBufPckg pckg(set);

	SendReceive(EMMFDevSoundProxyPlayData, pckg, iBuffer->Data());

	}

EXPORT_C void RMMFDevSoundProxy::RecordData()

	{

	__ASSERT_ALWAYS(iState == ERecording, Panic(EMMFDevSoundProxyRecordDataWithoutInitialize));

	SendReceive(EMMFDevSoundProxyRecordData);

	}

EXPORT_C void RMMFDevSoundProxy::Stop()

	{

	SendReceive(EMMFDevSoundProxyStop);

	iState = EIdle;

	}

EXPORT_C void RMMFDevSoundProxy::Pause()

	{

	SendReceive(EMMFDevSoundProxyPause);

	}

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

	{

	TMMFDevSoundProxySettings set;

	set.iFrequencyOne = aFrequency;

	set.iDuration = aDuration;

	TMMFDevSoundProxySettingsPckg pckg(set);

	User::LeaveIfError(SendReceive(EMMFDevSoundProxyPlayTone, pckg));

	}

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

	{

	TMMFDevSoundProxySettings set;

	set.iFrequencyOne = aFrequencyOne;

	set.iFrequencyTwo = aFrequencyTwo;

	set.iDuration = aDuration;

	TMMFDevSoundProxySettingsPckg pckg(set);

	User::LeaveIfError(SendReceive(EMMFDevSoundProxyPlayDualTone, pckg));

	}

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

	{

	User::LeaveIfError(SendReceive(EMMFDevSoundProxyPlayDTMFString, aDTMFString));

	}

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

	{

	User::LeaveIfError(SendReceive(EMMFDevSoundProxyPlayToneSequence, aData));

	}

EXPORT_C void RMMFDevSoundProxy::PlayFixedSequenceL(TInt aSequenceNumber)

	{

	TPckgBuf<TInt> seqNum(aSequenceNumber);	

	User::LeaveIfError(SendReceive(EMMFDevSoundProxyPlayFixedSequence, seqNum));

	}

EXPORT_C void RMMFDevSoundProxy::SetDTMFLengths(TTimeIntervalMicroSeconds32& aToneOnLength,

											    TTimeIntervalMicroSeconds32& aToneOffLength,

											    TTimeIntervalMicroSeconds32& aPauseLength)

	{

	TMMFDevSoundProxySettings set;

	set.iToneOnLength = aToneOnLength;

	set.iToneOffLength = aToneOffLength;

	set.iPauseLength = aPauseLength;

	TMMFDevSoundProxySettingsPckg pckg(set);

	SendReceive(EMMFDevSoundProxySetDTMFLengths, pckg);

	}

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

	{

	TMMFDevSoundProxySettings set;

	set.iDuration = aRampDuration;

	TMMFDevSoundProxySettingsPckg pckg(set);

	SendReceive(EMMFDevSoundProxySetVolumeRamp, pckg);

	}

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

	{

	aSupportedDataTypes.Reset();

	TMMFPrioritySettings prioritySet = aPrioritySettings;

	TMMFPrioritySettingsPckg pckg(prioritySet);

	TPckgBuf<TInt> numberOfElementsPckg;

	User::LeaveIfError(SendReceiveResult(EMMFDevSoundProxyGetSupportedInputDataTypes, pckg, KNullDesC8, numberOfElementsPckg));

	HBufC8* buf = HBufC8::NewLC(numberOfElementsPckg()*sizeof(TFourCC));

	TPtr8 ptr = buf->Des();

	User::LeaveIfError(SendReceiveResult(EMMFDevSoundProxyCopyFourCCArrayData,KNullDesC8,KNullDesC8,ptr));

	RDesReadStream stream(ptr);

	CleanupClosePushL(stream);

	for (TInt i=0; i<numberOfElementsPckg(); i++)

		{

		TInt err = aSupportedDataTypes.Append(stream.ReadInt32L());

		if (err)

			{//note we don't destroy array because we don't own it

			//but we do reset it as it is incomplete

			aSupportedDataTypes.Reset();

			User::Leave(err);

			}

		}

	CleanupStack::PopAndDestroy(2, buf);//stream, buf

	}

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

	{

	aSupportedDataTypes.Reset();

	TMMFPrioritySettings prioritySet = aPrioritySettings;

	TMMFPrioritySettingsPckg pckg(prioritySet);

	TPckgBuf<TInt> numberOfElementsPckg;

	User::LeaveIfError(SendReceiveResult(EMMFDevSoundProxyGetSupportedOutputDataTypes, pckg, KNullDesC8, numberOfElementsPckg));

	HBufC8* buf = HBufC8::NewLC(numberOfElementsPckg()*sizeof(TFourCC));

	TPtr8 ptr = buf->Des();

	User::LeaveIfError(SendReceiveResult(EMMFDevSoundProxyCopyFourCCArrayData,KNullDesC8,KNullDesC8,ptr));

	RDesReadStream stream(ptr);

	CleanupClosePushL(stream);

	for (TInt i=0; i<numberOfElementsPckg(); i++)

		{

		TInt err = aSupportedDataTypes.Append(stream.ReadInt32L());

		if (err)

			{//note we don't destroy array because we don't own it

			//but we do reset it as it is incomplete

			aSupportedDataTypes.Reset();

			User::Leave(err);

			}

		}

	CleanupStack::PopAndDestroy(2, buf);//stream, buf

	}

EXPORT_C TInt RMMFDevSoundProxy::SamplesRecorded()

	{

	TPckgBuf<TInt> numSamples;	

	SendReceiveResult(EMMFDevSoundProxySamplesRecorded, KNullDesC8, KNullDesC8, numSamples);

	return numSamples();

	}

EXPORT_C TInt RMMFDevSoundProxy::SamplesPlayed()

	{

	TPckgBuf<TInt> numSamples;	

	SendReceiveResult(EMMFDevSoundProxySamplesPlayed, KNullDesC8, KNullDesC8, numSamples);

	return numSamples();

	}

EXPORT_C void RMMFDevSoundProxy::SetToneRepeats(TInt aRepeatCount, const TTimeIntervalMicroSeconds& aRepeatTrailingSilence)

	{

	TPckgBuf<TInt> countRepeat(aRepeatCount);

	TPckgBuf<TTimeIntervalMicroSeconds> repeatTS(aRepeatTrailingSilence);	

	SendReceive(EMMFDevSoundProxySetToneRepeats, countRepeat, repeatTS);

	}

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

	{

	TPckgBuf<TMMFPrioritySettings> prioritySet(aPrioritySettings);

	SendReceive(EMMFDevSoundProxySetPrioritySettings, prioritySet);

	}

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

	{

	TPckgBuf<TInt> seqNum(aSequenceNumber);

	TPtr SeqNamePtr = iSeqName->Des();

	SeqNamePtr.FillZ();

	SendReceiveResult(EMMFDevSoundProxyFixedSequenceName, seqNum, KNullDesC8, SeqNamePtr);

	return *iSeqName;

	}

EXPORT_C TAny* RMMFDevSoundProxy::CustomInterface(TUid /*aInterfaceId*/)

	{

	// No custom interfaces are supported at the moment so return NULL.

	//TO DO

	return NULL;

	}

EXPORT_C TInt RMMFDevSoundProxy::FixedSequenceCount()

	{

	TPckgBuf<TInt> fixSeqCountPckg;

	SendReceiveResult(EMMFDevSoundProxyFixedSequenceCount, fixSeqCountPckg);

	return fixSeqCountPckg();

	}

EXPORT_C TInt RMMFDevSoundProxy::BufferToBeFilledData(TMMFDevSoundProxyHwBufPckg& aSetPckg)

	{

	// Note that there will only ever be one of these requests outstanding per session

	return SendReceiveResult(EMMFDevSoundProxyBTBFData, aSetPckg);

	}

EXPORT_C TInt RMMFDevSoundProxy::BufferToBeEmptiedData(TMMFDevSoundProxyHwBufPckg& aSetPckg)

	{

	// Note that there will only ever be one of these requests outstanding per session

	return SendReceiveResult(EMMFDevSoundProxyBTBEData, aSetPckg);	

	}

EXPORT_C void RMMFDevSoundProxy::SetBuffer(CMMFDataBuffer* aBuffer)

	{

	if(iBuffer)

		{

		delete iBuffer;

		}

	iBuffer = aBuffer;

	}

EXPORT_C TInt RMMFDevSoundProxy::GetRecordedBufferL(CMMFDataBuffer& aBuffer)

	{

	return SendReceiveResult(EMMFDevSoundProxyGetRecordedBuffer, aBuffer.Data());

	}

EXPORT_C TInt RMMFDevSoundProxy::RegisterAsClient(TUid aEventType, const TDesC8& aNotificationRegistrationData)

	{

	TMMFDevSoundProxySettings set;

	set.iNotificationEventUid = aEventType;

	TMMFDevSoundProxySettingsPckg pckg(set);

	return SendReceive(EMMFDevSoundProxyRequestResourceNotification, pckg, aNotificationRegistrationData);

	}

EXPORT_C TInt RMMFDevSoundProxy::CancelRegisterAsClient(TUid aEventType)

	{

	TMMFDevSoundProxySettings set;

	set.iNotificationEventUid = aEventType;

	TMMFDevSoundProxySettingsPckg pckg(set);

	return SendReceiveResult(EMMFDevSoundProxyCancelRequestResourceNotification, pckg);

	}

EXPORT_C TInt RMMFDevSoundProxy::GetResourceNotificationData(TUid aEventType, TDes8& aNotificationData)

	{

	TMMFDevSoundProxySettings set;

	set.iNotificationEventUid = aEventType;

	TMMFDevSoundProxySettingsPckg pckg(set);

	return SendReceiveResult(EMMFDevSoundProxyGetResourceNotificationData, pckg,KNullDesC8,aNotificationData);

	}

EXPORT_C TInt RMMFDevSoundProxy::WillResumePlay()

	{

	return SendReceive(EMMFDevSoundProxyWillResumePlay);

	}

EXPORT_C TInt RMMFDevSoundProxy::EmptyBuffers()

	{

	return SendReceive(EMMFDevSoundProxyEmptyBuffers);

	}

EXPORT_C TInt RMMFDevSoundProxy::GetTimePlayed(TTimeIntervalMicroSeconds& aTime)

	{

	TTimeIntervalMicroSeconds time(0);

	TPckgBuf<TTimeIntervalMicroSeconds> timePckg(time);

	TInt err = SendReceiveResult(EMMFDevSoundProxyGetTimePlayed, KNullDesC8, KNullDesC8, timePckg);

	if(err==KErrNone)

		{

		aTime = timePckg();

		}

	return err;

	}

// implementation of a simple CustomCommand() scheme

EXPORT_C TInt RMMFDevSoundProxy::SyncCustomCommand(TUid aUid, const TDesC8& aParam1, const TDesC8& aParam2, TDes8* aOutParam)

	{

	// the UID of the custom command is passed as an integer so as maintain consistency with the async methods below

	TInt command = aUid.iUid;

	if (aOutParam==NULL)

		{

		return SendReceive(EMMFDevSoundProxySyncCustomCommand, command, aParam1, aParam2);

		}

	else

		{

		return SendReceiveResult(EMMFDevSoundProxySyncCustomCommandResult, command, aParam1, aParam2, *aOutParam);		

		}

	}

EXPORT_C void RMMFDevSoundProxy::AsyncCustomCommand(TUid aUid, TRequestStatus& aStatus, const TDesC8& aParam1, const TDesC8& aParam2, TDes8* aOutParam)

	{

	// this seemingly only allows 1 simultaneous async call. Need an array of TRequestStatus for more than one call.

	// the UID of the custom command is passed as an integer so as to prevent the need of a consistent UID array.