/*

* Copyright (c) 2006 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:   Implementation of the Audio Equalizer effect class

*

*/

// INCLUDE FILES

#ifdef _DEBUG

#include <e32svr.h>

#endif

#include <AudioEqualizerBase.h>

#include <CustomInterfaceUtility.h>

#include "AudioEqualizerProxy.h"

#include <s32mem.h>

#include <DrmAudioSamplePlayer.h>

#include <mdaaudioinputstream.h>

#include <mdaaudiooutputstream.h>

#include <mdaaudiotoneplayer.h>

#include <mmf/server/sounddevice.h>

#ifdef _DEBUG

#define DEBPRN0         RDebug::Printf( "%s", __PRETTY_FUNCTION__);

#define DEBPRN1(str)    RDebug::Printf( "%s %s", __PRETTY_FUNCTION__, str );

#else

#define DEBPRN0

#define DEBPRN1(str)

#endif

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CAudioEqualizer::CAudioEqualizer

// C++ default constructor can NOT contain any code, that

// might leave.

// -----------------------------------------------------------------------------

//

EXPORT_C CAudioEqualizer::CAudioEqualizer()

    : 	iAudioEqualizerData(0, 0),

    	iDataPckgTo(iAudioEqualizerData),

    	iBandChange(0)

    {

    }

// Destructor

EXPORT_C CAudioEqualizer::~CAudioEqualizer()

    {

        delete iBandDataBuf;

	iBandsData.Close();

    }

// -----------------------------------------------------------------------------

// CAudioEqualizer::NewL

// Static function for creating an instance of the AudioEqualizer object.

// -----------------------------------------------------------------------------

//

EXPORT_C CAudioEqualizer* CAudioEqualizer::NewL()

	{

	User::Leave(KErrNotSupported);

	return NULL;

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::NewL

// Static function for creating an instance of the AudioEqualizer object.

// -----------------------------------------------------------------------------

//

EXPORT_C CAudioEqualizer* CAudioEqualizer::NewL(

	CMdaAudioConvertUtility& aUtility )

	{

    DEBPRN0;

   	CCustomInterfaceUtility* customInterface = CCustomInterfaceUtility::NewL(aUtility);

    CleanupStack::PushL(customInterface);

	CAudioEqualizerProxy* audioEqualizerProxy = (CAudioEqualizerProxy*)customInterface->CustomInterface(KUidAudioEqualizerEffect);

	if ( !audioEqualizerProxy )

		{

        DEBPRN1("No Adaptation Support - leaving"); 

		User::Leave(KErrNotSupported);

		}

	CleanupStack::Pop(customInterface);

    return audioEqualizerProxy;

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::NewL

// Static function for creating an instance of the AudioEqualizer object.

// -----------------------------------------------------------------------------

//

EXPORT_C CAudioEqualizer* CAudioEqualizer::NewL(

	CMdaAudioInputStream& aUtility )

	{

    DEBPRN0;

    CAudioEqualizerProxy* audioEqualizerProxy = (CAudioEqualizerProxy*)aUtility.CustomInterface(KUidAudioEqualizerEffect);

	if (audioEqualizerProxy == NULL)

		{

        DEBPRN1("No Adaptation Support - leaving"); 

		User::Leave(KErrNotSupported);

		}

    return audioEqualizerProxy;

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::NewL

// Static function for creating an instance of the AudioEqualizer object.

// -----------------------------------------------------------------------------

//

EXPORT_C CAudioEqualizer* CAudioEqualizer::NewL(

	CMdaAudioOutputStream& aUtility )

	{

    DEBPRN0;

    CAudioEqualizerProxy* audioEqualizerProxy = (CAudioEqualizerProxy*)aUtility.CustomInterface(KUidAudioEqualizerEffect);

	if (audioEqualizerProxy == NULL)

		{

        DEBPRN1("No Adaptation Support - leaving");    

    	User::Leave(KErrNotSupported);

		}

    return audioEqualizerProxy;

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::NewL

// Static function for creating an instance of the AudioEqualizer object.

// -----------------------------------------------------------------------------

//

EXPORT_C CAudioEqualizer* CAudioEqualizer::NewL(

	CMdaAudioPlayerUtility& aUtility )

	{

    DEBPRN0;

   	CCustomInterfaceUtility* customInterface = CCustomInterfaceUtility::NewL(aUtility);

    CleanupStack::PushL(customInterface);

	CAudioEqualizerProxy* audioEqualizerProxy = (CAudioEqualizerProxy*)customInterface->CustomInterface(KUidAudioEqualizerEffect);

	if ( !audioEqualizerProxy )

		{

        DEBPRN1("No Adaptation Support - leaving"); 

		User::Leave(KErrNotSupported);

		}

	CleanupStack::Pop(customInterface);

    return audioEqualizerProxy;

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::NewL

// Static function for creating an instance of the AudioEqualizer object.

// -----------------------------------------------------------------------------

//

EXPORT_C CAudioEqualizer* CAudioEqualizer::NewL(

	CMdaAudioRecorderUtility& aUtility,

	TBool aRecordStream )

	{

    DEBPRN0;

   	CCustomInterfaceUtility* customInterface = CCustomInterfaceUtility::NewL(aUtility, aRecordStream);

    CleanupStack::PushL(customInterface);

	CAudioEqualizerProxy* audioEqualizerProxy = (CAudioEqualizerProxy*)customInterface->CustomInterface(KUidAudioEqualizerEffect);

	if ( !audioEqualizerProxy )

		{

        DEBPRN1("No Adaptation Support - leaving"); 

		User::Leave(KErrNotSupported);

		}

    CleanupStack::Pop(customInterface);

    return audioEqualizerProxy;

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::NewL

// Static function for creating an instance of the AudioEqualizer object.

// -----------------------------------------------------------------------------

//

EXPORT_C CAudioEqualizer* CAudioEqualizer::NewL(

	CMdaAudioToneUtility& aUtility )

	{

    DEBPRN0;

    CAudioEqualizerProxy* audioEqualizerProxy = (CAudioEqualizerProxy*)aUtility.CustomInterface(KUidAudioEqualizerEffect);

	if (audioEqualizerProxy == NULL)

		{

        DEBPRN1("No Adaptation Support - leaving"); 

		User::Leave(KErrNotSupported);

		}

    return audioEqualizerProxy;

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::NewL

// Static function for creating an instance of the AudioEqualizer object.

// -----------------------------------------------------------------------------

//

EXPORT_C CAudioEqualizer* CAudioEqualizer::NewL(

	CMMFDevSound& aDevSound )

	{

    DEBPRN0;

    CAudioEqualizerProxy* audioEqualizerProxy = (CAudioEqualizerProxy*)aDevSound.CustomInterface(KUidAudioEqualizerEffect);

	if (audioEqualizerProxy == NULL)

		{

        DEBPRN1("No Adaptation Support - leaving"); 

		User::Leave(KErrNotSupported);

		}

    return audioEqualizerProxy;

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::NewL

// Static function for creating an instance of the AudioEqualizer object.

// -----------------------------------------------------------------------------

//

EXPORT_C CAudioEqualizer* CAudioEqualizer::NewL(

	CCustomCommandUtility* aUtility )

	{

    DEBPRN0;

   	CCustomInterfaceUtility* customInterface = CCustomInterfaceUtility::NewL(aUtility);

    CleanupStack::PushL(customInterface);

	CAudioEqualizerProxy* audioEqualizerProxy = (CAudioEqualizerProxy*)customInterface->CustomInterface(KUidAudioEqualizerEffect);

	if ( !audioEqualizerProxy )

		{

		DEBPRN1("No Adaptation Support - leaving"); 

		User::Leave(KErrNotSupported);

		}

    CleanupStack::Pop(customInterface);

    return audioEqualizerProxy;

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::NewL

// Static function for creating an instance of the AudioEqualizer object.

// -----------------------------------------------------------------------------

//

EXPORT_C CAudioEqualizer* CAudioEqualizer::NewL(

	MCustomInterface& aCustomInterface )

	{

    DEBPRN0;

	CAudioEqualizerProxy* audioEqualizerProxy = (CAudioEqualizerProxy*)aCustomInterface.CustomInterface(KUidAudioEqualizerEffect);

	if ( !audioEqualizerProxy )

		{

		DEBPRN1("No Adaptation Support - leaving"); 

		User::Leave(KErrNotSupported);

		}

    return audioEqualizerProxy;

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::NewL

// Static function for creating an instance of the AudioEqualizer object.

// -----------------------------------------------------------------------------

//

EXPORT_C CAudioEqualizer* CAudioEqualizer::NewL( 

	CMidiClientUtility& aUtility )

    {

    DEBPRN0;

   	CCustomInterfaceUtility* customInterface = CCustomInterfaceUtility::NewL(aUtility);

    CleanupStack::PushL(customInterface);

	CAudioEqualizerProxy* audioEqualizerProxy = (CAudioEqualizerProxy*)customInterface->CustomInterface(KUidAudioEqualizerEffect);

	if ( !audioEqualizerProxy )

		{

		DEBPRN1("No Adaptation Support - leaving"); 

		User::Leave(KErrNotSupported);

		}

    CleanupStack::Pop(customInterface);

    return audioEqualizerProxy;

    }

// -----------------------------------------------------------------------------

// CAudioEqualizer::NewL

// Static function for creating an instance of the AudioEqualizer object.

// -----------------------------------------------------------------------------

//

EXPORT_C CAudioEqualizer* CAudioEqualizer::NewL( 

	CDrmPlayerUtility& aUtility )

    {

    DEBPRN0;

   	CCustomInterfaceUtility* customInterface = CCustomInterfaceUtility::NewL(aUtility);

    CleanupStack::PushL(customInterface);

	CAudioEqualizerProxy* audioEqualizerProxy = (CAudioEqualizerProxy*)customInterface->CustomInterface(KUidAudioEqualizerEffect);

	if ( !audioEqualizerProxy )

		{

        DEBPRN1("No Adaptation Support - leaving"); 

		User::Leave(KErrNotSupported);

		}

    CleanupStack::Pop(customInterface);

    return audioEqualizerProxy;

    }

// -----------------------------------------------------------------------------

// CAudioEqualizer::NewL

// Static function for creating an instance of the AudioEqualizer object.

// -----------------------------------------------------------------------------

//

EXPORT_C CAudioEqualizer* CAudioEqualizer::NewL( 

	CVideoPlayerUtility& aUtility )

    {

    DEBPRN0;

   	CCustomInterfaceUtility* customInterface = CCustomInterfaceUtility::NewL(aUtility);

    CleanupStack::PushL(customInterface);

	CAudioEqualizerProxy* audioEqualizerProxy = (CAudioEqualizerProxy*)customInterface->CustomInterface(KUidAudioEqualizerEffect);

	if ( !audioEqualizerProxy )

		{

        DEBPRN1("No Adaptation Support - leaving"); 

		User::Leave(KErrNotSupported);

		}

    CleanupStack::Pop(customInterface);

    return audioEqualizerProxy;

    }

// -----------------------------------------------------------------------------

// CAudioEqualizer::BandLevel

// -----------------------------------------------------------------------------

//

EXPORT_C TInt32 CAudioEqualizer::BandLevel(

	TUint8 aBand ) const

	{

	if( aBand > NumberOfBands() )

		{

		return KErrArgument;

		}

	else

		{

		return iBandsData[aBand-1].iBandLevel;

		}

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::BandWidth

// -----------------------------------------------------------------------------

//

EXPORT_C TInt32 CAudioEqualizer::BandWidth(

	TUint8 aBand ) const

	{

	if( aBand > NumberOfBands() )

		{

		return KErrArgument;

		}

	else

		{

		return iBandsData[aBand-1].iBandWidth;

		}

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::CenterFrequency

// -----------------------------------------------------------------------------

//

EXPORT_C TInt32 CAudioEqualizer::CenterFrequency(

	TUint8 aBand ) const

	{

	if( aBand > NumberOfBands() )

		{

		return KErrArgument;

		}

	else

		{

		return iBandsData[aBand-1].iCenterFrequency;

		}

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::CrossoverFrequency

// -----------------------------------------------------------------------------

//

EXPORT_C TInt32 CAudioEqualizer::CrossoverFrequency(

	TUint8 aBand ) const

	{

	if( aBand > NumberOfBands() )

		{

		return KErrArgument;

		}

	else

		{

		return iBandsData[aBand-1].iCrossoverFrequency;

		}

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::DbLevelLimits

// -----------------------------------------------------------------------------

//

EXPORT_C void CAudioEqualizer::DbLevelLimits(

	TInt32& aMin,

	TInt32& aMax )

	{

	aMin = iAudioEqualizerData.iMindB;

	aMax = iAudioEqualizerData.iMaxdB;

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::CrossoverFrequency

// -----------------------------------------------------------------------------

//

EXPORT_C TUint8 CAudioEqualizer::NumberOfBands() const

	{

	return iBandsData.Count();

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::SetBandLevelL

// -----------------------------------------------------------------------------

//

EXPORT_C void CAudioEqualizer::SetBandLevelL(

	TInt8 aBand,

	TInt32 aLevel )

	{

	if( aBand > NumberOfBands() )

		{

		User::Leave(KErrArgument);

		}

	else

		{

		TUint32 mask = 1;

		iBandChange = iBandChange | (mask << aBand-1);

		iBandsData[aBand-1].iBandLevel = aLevel;

		}

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::Uid

// -----------------------------------------------------------------------------

//

EXPORT_C TUid CAudioEqualizer::Uid() const

	{

	return KUidAudioEqualizerEffect;

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::DoEffectData

// -----------------------------------------------------------------------------

//

EXPORT_C const TDesC8& CAudioEqualizer::DoEffectData()

	{

    DEBPRN0;

	iDataPckgTo = iAudioEqualizerData;

	return iDataPckgTo;

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::SetEffectData

// -----------------------------------------------------------------------------

//

EXPORT_C void CAudioEqualizer::SetEffectData(

	const TDesC8& aEffectDataBuffer )

	{

    DEBPRN0;

	TEfAudioEqualizerDataPckg dataPckg;

	dataPckg.Copy(aEffectDataBuffer);

	iAudioEqualizerData = dataPckg();

	iEnabled = iAudioEqualizerData.iEnabled;

	iEnforced = iAudioEqualizerData.iEnforced;

	iHaveUpdateRights = iAudioEqualizerData.iHaveUpdateRights;

	}

// -----------------------------------------------------------------------------

// CAudioEqualizer::DoBandData

// -----------------------------------------------------------------------------

//

EXPORT_C const TDesC8& CAudioEqualizer::DoBandDataL(

	TUint8 aBand,

	TBool aAllBands )

	{

    DEBPRN0;

	if ( aAllBands )

		{

		if ( iBandDataBuf )

			{

			delete iBandDataBuf;

			iBandDataBuf = NULL;

			}

		iBandDataBuf = HBufC8::NewL(NumberOfBands() * sizeof(TEfAudioEqualizerBand));

		TPtr8 des = iBandDataBuf->Des();

		des.SetLength(iBandDataBuf->Size());

		RDesWriteStream writeStream(des);

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

			{

			writeStream << iBandsData[i];

			}

		writeStream.CommitL();

		return *iBandDataBuf;

		}

	else

		{

		if ( aBand > NumberOfBands() )

			{

			User::Leave(KErrArgument);

			}

		iBandDataPckgTo = iBandsData[aBand-1];

		return iBandDataPckgTo;