// 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:

// Name        : logicalbuffersource.cpp

// Part of     : ACL Logical Layer

//

#include "logicalbuffersource.h"

#include <a3f/audioprocessingunittypeuids.h>

#include <ecom/implementationproxy.h> // For making it ECom plugin

// Map the interface implementation UIDs to implementation factory functions

const TImplementationProxy ImplementationTable[] =

	{

	IMPLEMENTATION_PROXY_ENTRY(KMmfBufferSourceUid,  CLogicalBufferSource::NewL),

	};

// Exported proxy for instantiation method resolution.

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

	{

	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

	return ImplementationTable;

	}

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

// Constructor

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

//

CLogicalBufferSource::CLogicalBufferSource(TAny* aParam) : CAudioProcessingUnit(aParam)

	{

	TRACE_CREATE();

	DP_CONTEXT(CLogicalBufferSource::CLogicalBufferSource *CD1*, CtxDevSound, DPLOCAL);

	DP_IN();

	DP_OUT();

	}

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

// Factory method

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

//

CLogicalBufferSource* CLogicalBufferSource::NewL(TAny* aParameters)

	{

	DP_STATIC_CONTEXT(CLogicalBufferSource::NewL *CD0*, CtxDevSound, DPLOCAL);

	DP_IN();

	CLogicalBufferSource* self = new(ELeave)CLogicalBufferSource(aParameters);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	DP0_RET(self, "0x%x");

	}

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

// Second phase constructor

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

//

void CLogicalBufferSource::ConstructL()

	{

	DP_CONTEXT(CLogicalBufferSource::ConstructL *CD1*, CtxDevSound, DPLOCAL);

	DP_IN();

	DP_OUT();

	}

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

// Destructor

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

//

CLogicalBufferSource::~CLogicalBufferSource()

	{

	DP_CONTEXT(CLogicalBufferSource::~CLogicalBufferSource *CD1*, CtxDevSound, DPLOCAL);

	DP_IN();

	DP_OUT();

	}

// from MMMFBufferSource

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

// CLogicalBufferSource::SetDataSupplier

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

//  

TInt CLogicalBufferSource::SetDataSupplier(MMMFAudioDataSupplier& aSupplier)

	{

	DP_CONTEXT(CLogicalBufferSource::SetDataSupplier *CD1*, CtxDevSound, DPLOCAL);

	DP_IN();

	TInt err = KErrNone;

	iSupplier = &aSupplier;

	DP0_RET(err, "%d");

	}

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

// CLogicalBufferSource::BufferFilled

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

//  

TInt CLogicalBufferSource::BufferFilled(CMMFBuffer* aBuffer)

	{

	DP_CONTEXT(CLogicalBufferSource::BufferFilled *CD1*, CtxDevSound, DPLOCAL);

	DP_IN();

	TInt err = KErrNone;

	err = iAdaptationBufferSource->BufferFilled(aBuffer);

	DP0_RET(err, "%d");

	}

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

// CLogicalBufferSource::BuffersDiscarded

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

//  

TInt CLogicalBufferSource::BuffersDiscarded()

	{

	DP_CONTEXT(CLogicalBufferSource::BuffersDiscarded *CD1*, CtxDevSound, DPLOCAL);

	DP_IN();

	TInt err = KErrNone;

	err = iAdaptationBufferSource->BuffersDiscarded();

	DP0_RET(err, "%d");

	}

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

// CLogicalBufferSource::IsTypeOf

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

//  

TBool CLogicalBufferSource::IsTypeOf(TUid aTypeId) const

	{

	DP_CONTEXT(CLogicalBufferSource::IsTypeOf *CD1*, CtxDevSound, DPLOCAL);

	DP_IN();

	TBool result = EFalse;

	if (iType == aTypeId)

		{

		result = ETrue;

		}

	DP0_RET(result, "%d");

	}

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

// CLogicalBufferSource::Interface

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

// 

TAny* CLogicalBufferSource::Interface(TUid aType)

	{

	DP_CONTEXT(CLogicalBufferSource::Interface *CD1*, CtxDevSound, DPLOCAL);

	DP_IN();

	TAny* interface = NULL;

	if(aType==KUidMmfBufferSource)

		{

		interface = static_cast<MMMFBufferSource*>(this);

		}

	DP0_RET(interface, "%d");

	}

// From MMMFAudioDataSupplier

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

// CLogicalBufferSource::BufferToBeFilled

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

// 

void CLogicalBufferSource::BufferToBeFilled(MMMFBufferSource* /*aSource*/, CMMFBuffer* aBuffer)

	{

	iSupplier->BufferToBeFilled(this, aBuffer);

	}

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

// CLogicalBufferSource::DiscardBuffers

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

// 

void CLogicalBufferSource::DiscardBuffers(MMMFBufferSource* /*aSource*/)

	{

	iSupplier->DiscardBuffers(this);

	}

// end of file