//buffersink.cpp

// Copyright (c) 2006-2009 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 "buffersink.h"

#include "moutputport.h"

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

// Constructor

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

//

CBufferSink::CBufferSink()

	{

	TRACE_CREATE();

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

	DP_IN();

	DP_OUT();

	}

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

// Factory method

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

//

EXPORT_C CBufferSink* CBufferSink::NewL()

	{

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

	DP_IN();

	CBufferSink* self = new(ELeave)CBufferSink();

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

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

	}

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

// Second phase constructor

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

//

void CBufferSink::ConstructL()

	{

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

	DP_IN();

	DP_OUT();

	}

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

// Destructor

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

//

CBufferSink::~CBufferSink()

	{

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

	DP_IN();

	DP_OUT();

	}

// from class MInputPort

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

// CBufferSink::GetInputPort

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

//

TInt CBufferSink::GetInputPort(MInputPort*& aInput)

	{

	DP_CONTEXT(CBufferSource::GetInputPort *CD1*, CtxDevSound, DPLOCAL);

	DP_IN();

	aInput = this;

	DP0_RET(KErrNone, "%d");

	}

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

// CBufferSink::EmptyBuffer

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

//

TInt CBufferSink::EmptyBuffer(CMMFBuffer* aBuffer, MOutputPort* aSupplier)

	{

	DP_CONTEXT(CBufferSink::EmptyBuffer *CD1*, CtxDevSound, DPLOCAL);

	DP_IN();

	TInt err = KErrNone;

	if (aSupplier == iOutput)

		{

		iConsumer->BufferToBeEmptied(static_cast<MMMFBufferSink*>(this), aBuffer);

		}

	else

		{

		err = KErrNotSupported;

		}

	DP0_RET(err, "%d");

	}

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

// CBufferSink::BufferFilled

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

//

TInt CBufferSink::BufferFilled(CMMFBuffer* /*aBuffer*/)

	{

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

	DP_IN();

	DP0_RET(KErrNone, "%d");

	}

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

// CBufferSink::SetOutput

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

//

TInt CBufferSink::SetOutput(MOutputPort* aOutput)

	{

	DP_CONTEXT(CBufferSink::SetOutput *CD1*, CtxDevSound, DPLOCAL);

	DP_IN();

	iOutput = aOutput;

	DP0_RET(KErrNone, "%d");

	}

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

// CBufferSink::RemoveOutput

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

//

TInt CBufferSink::RemoveOutput(MOutputPort* /*aOutput*/) 

	{

	DP_CONTEXT(CBufferSink::RemoveOutput *CD1*, CtxDevSound, DPLOCAL);

	DP_IN();

	iOutput=NULL;

	DP0_RET(KErrNone, "%d");

	}

// from MMMFBufferSink

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

// CBufferSink::SetDataConsumer

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

//

TInt CBufferSink::SetDataConsumer(MMMFAudioDataConsumer& aConsumer)

	{

	DP_CONTEXT(CBufferSink::SetDataConsumer *CD1*, CtxDevSound, DPLOCAL);

	DP_IN();

	iConsumer = &aConsumer;

	DP0_RET(KErrNone, "%d");

	}

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

// CBufferSink::BufferEmptied

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

//

TInt CBufferSink::BufferEmptied(CMMFBuffer* aBuffer)

	{

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

	DP_IN();

	// Check if need a switch 

	iBuffer = aBuffer;

	DP_OUT();

	return(iOutput->BufferEmptied(aBuffer));

	}

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

// CBufferSink::BuffersDiscarded

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

//

TInt CBufferSink::BuffersDiscarded()

	{

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

	DP_IN();

	// Check what we are suppose to do

	if(iBuffer)

		{

		iBuffer = NULL;

		}

	DP0_RET(KErrNone, "%d");

	}

// end of file