mmhais/refacladapt/src/audiosource/buffersource.cpp
changeset 0 79dd3e2336a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmhais/refacladapt/src/audiosource/buffersource.cpp	Fri Oct 08 19:40:43 2010 +0100
@@ -0,0 +1,232 @@
+//buffersource.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 "buffersource.h"
+#include "minputport.h"
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CBufferSource::CBufferSource()
+	: CActive(EPriorityStandard)
+	{
+	TRACE_CREATE();
+	DP_CONTEXT(CBufferSource::CBufferSource *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// Factory method
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CBufferSource* CBufferSource::NewL()
+	{
+	DP_STATIC_CONTEXT(CBufferSource::NewL *CD0*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	CBufferSource* self = new(ELeave)CBufferSource();
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	DP0_RET(self, "0x%x");
+	}
+
+// ---------------------------------------------------------------------------
+// Second phase constructor
+// ---------------------------------------------------------------------------
+//
+void CBufferSource::ConstructL()
+	{
+	DP_CONTEXT(CBufferSource::ConstructL *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	CActiveScheduler::Add(this);
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CBufferSource::~CBufferSource()
+	{
+	DP_CONTEXT(CBufferSource::~CBufferSource *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	DP_OUT();
+	}
+
+
+// from MMMFBufferSource
+// ---------------------------------------------------------------------------
+// CBufferSource::SetDataSupplier
+// ---------------------------------------------------------------------------
+TInt CBufferSource::SetDataSupplier(MMMFAudioDataSupplier& aSupplier)
+	{
+	DP_CONTEXT(CBufferSource::SetDataSupplier *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	iSupplier = &aSupplier;
+	DP0_RET(KErrNone, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// CBufferSource::BufferFilled
+// ---------------------------------------------------------------------------
+TInt CBufferSource::BufferFilled(CMMFBuffer* aBuffer)
+	{
+	DP_CONTEXT(CBufferSource::BufferFilled *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	iBuffer = aBuffer;
+	DP_OUT();
+	return iInput->BufferFilled(aBuffer);
+	}
+
+// ---------------------------------------------------------------------------
+// CBufferSource::BuffersDiscarded
+// ---------------------------------------------------------------------------
+TInt CBufferSource::BuffersDiscarded()
+	{
+	DP_CONTEXT(CBufferSource::BuffersDiscarded *CD1*, CtxDevSound, DPLOCAL);
+	// Check what we are suppose to do
+	DP_IN();
+	if(iBuffer)
+		{
+		iBuffer = NULL;
+		}
+	DP0_RET(KErrNone, "%d");
+	}
+
+
+//From MOutputPort	
+// ---------------------------------------------------------------------------
+// CBufferSource::FillBuffer
+// ---------------------------------------------------------------------------
+//
+TInt CBufferSource::FillBuffer(CMMFBuffer* aBuffer, MInputPort* aConsumer)
+	{
+	DP_CONTEXT(CBufferSource::FillBuffer *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TInt err = KErrNone;
+	if (aConsumer == iInput)
+		{
+		iSupplier->BufferToBeFilled(static_cast<MMMFBufferSource*>(this), aBuffer);
+		}
+	else
+		{
+		err = KErrNotSupported;
+		}
+	DP0_RET(err, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// CBufferSource::BufferEmptied
+// ---------------------------------------------------------------------------
+//
+TInt CBufferSource::BufferEmptied(CMMFBuffer* /*aBuffer*/)
+	{
+	DP_CONTEXT(CBufferSource::BufferEmptied *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	DP0_RET(KErrNone, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// CBufferSource::SetInput
+// ---------------------------------------------------------------------------
+//
+TInt CBufferSource::SetInput(MInputPort* aInput)
+	{
+	DP_CONTEXT(CBufferSource::SetInput *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	iInput = aInput;
+	DP0_RET(KErrNone, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// CBufferSource::RemoveInput
+// ---------------------------------------------------------------------------
+//
+TInt CBufferSource::RemoveInput(MInputPort* /*aInput*/)
+	{
+	DP_CONTEXT(CBufferSource::RemoveInput *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	iInput = NULL;
+	DP0_RET(KErrNone, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// CBufferSource::GetOutputPort
+// ---------------------------------------------------------------------------
+//
+TInt CBufferSource::GetOutputPort(MOutputPort*& aOutputPort)
+	{
+	DP_CONTEXT(CBufferSource::GetOutputPort *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	aOutputPort = this;
+	DP0_RET(KErrNone, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// CBufferSource::FlushBuffer
+// ---------------------------------------------------------------------------
+//
+TInt CBufferSource::FlushBuffer(MFlushHandlerObserver* aFlushObserver)
+	{
+	DP_CONTEXT(CBufferSource::FlushBuffer *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	iObserver = aFlushObserver;
+	if (!IsActive())
+		{
+		TRequestStatus* status = &iStatus;
+		User::RequestComplete(status, KErrNone);
+		SetActive();
+		}
+	DP0_RET(KErrNone, "%d");
+	}
+
+// From CActive
+// ---------------------------------------------------------------------------
+// CBufferSource::DoCancel
+// ---------------------------------------------------------------------------
+//
+void CBufferSource::DoCancel()
+	{
+	DP_CONTEXT(CBufferSource::FlushBuffer *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+
+	// Nothing to do
+
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// CBufferSource::RunL
+// ---------------------------------------------------------------------------
+//
+void CBufferSource::RunL()
+	{
+	DP_CONTEXT(CBufferSource::RunL *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+
+	iSupplier->DiscardBuffers(this);
+	iObserver->FlushComplete(KErrNone);
+
+	DP_OUT();
+	}
+
+
+// end of file