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//buffersource.cpp
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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include "buffersource.h"
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#include "minputport.h"
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// ---------------------------------------------------------------------------
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// Constructor
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// ---------------------------------------------------------------------------
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//
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CBufferSource::CBufferSource()
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: CActive(EPriorityStandard)
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{
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TRACE_CREATE();
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DP_CONTEXT(CBufferSource::CBufferSource *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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DP_OUT();
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}
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// ---------------------------------------------------------------------------
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// Factory method
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CBufferSource* CBufferSource::NewL()
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{
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DP_STATIC_CONTEXT(CBufferSource::NewL *CD0*, CtxDevSound, DPLOCAL);
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DP_IN();
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CBufferSource* self = new(ELeave)CBufferSource();
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop(self);
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DP0_RET(self, "0x%x");
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}
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// ---------------------------------------------------------------------------
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// Second phase constructor
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// ---------------------------------------------------------------------------
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//
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void CBufferSource::ConstructL()
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{
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DP_CONTEXT(CBufferSource::ConstructL *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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CActiveScheduler::Add(this);
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DP_OUT();
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}
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// ---------------------------------------------------------------------------
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// Destructor
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// ---------------------------------------------------------------------------
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//
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CBufferSource::~CBufferSource()
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{
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DP_CONTEXT(CBufferSource::~CBufferSource *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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DP_OUT();
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}
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// from MMMFBufferSource
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// ---------------------------------------------------------------------------
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// CBufferSource::SetDataSupplier
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// ---------------------------------------------------------------------------
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TInt CBufferSource::SetDataSupplier(MMMFAudioDataSupplier& aSupplier)
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{
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DP_CONTEXT(CBufferSource::SetDataSupplier *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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iSupplier = &aSupplier;
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DP0_RET(KErrNone, "%d");
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}
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// ---------------------------------------------------------------------------
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// CBufferSource::BufferFilled
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// ---------------------------------------------------------------------------
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TInt CBufferSource::BufferFilled(CMMFBuffer* aBuffer)
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{
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DP_CONTEXT(CBufferSource::BufferFilled *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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iBuffer = aBuffer;
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DP_OUT();
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return iInput->BufferFilled(aBuffer);
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}
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// ---------------------------------------------------------------------------
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// CBufferSource::BuffersDiscarded
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// ---------------------------------------------------------------------------
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TInt CBufferSource::BuffersDiscarded()
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{
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DP_CONTEXT(CBufferSource::BuffersDiscarded *CD1*, CtxDevSound, DPLOCAL);
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// Check what we are suppose to do
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DP_IN();
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if(iBuffer)
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{
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iBuffer = NULL;
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}
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DP0_RET(KErrNone, "%d");
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}
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//From MOutputPort
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// ---------------------------------------------------------------------------
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// CBufferSource::FillBuffer
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// ---------------------------------------------------------------------------
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//
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TInt CBufferSource::FillBuffer(CMMFBuffer* aBuffer, MInputPort* aConsumer)
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{
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DP_CONTEXT(CBufferSource::FillBuffer *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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TInt err = KErrNone;
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if (aConsumer == iInput)
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{
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iSupplier->BufferToBeFilled(static_cast<MMMFBufferSource*>(this), aBuffer);
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}
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else
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{
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err = KErrNotSupported;
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}
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DP0_RET(err, "%d");
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}
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// ---------------------------------------------------------------------------
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// CBufferSource::BufferEmptied
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// ---------------------------------------------------------------------------
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//
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TInt CBufferSource::BufferEmptied(CMMFBuffer* /*aBuffer*/)
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{
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DP_CONTEXT(CBufferSource::BufferEmptied *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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DP0_RET(KErrNone, "%d");
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}
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// ---------------------------------------------------------------------------
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// CBufferSource::SetInput
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// ---------------------------------------------------------------------------
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//
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TInt CBufferSource::SetInput(MInputPort* aInput)
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{
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DP_CONTEXT(CBufferSource::SetInput *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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iInput = aInput;
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DP0_RET(KErrNone, "%d");
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}
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// ---------------------------------------------------------------------------
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// CBufferSource::RemoveInput
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// ---------------------------------------------------------------------------
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//
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TInt CBufferSource::RemoveInput(MInputPort* /*aInput*/)
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{
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DP_CONTEXT(CBufferSource::RemoveInput *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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iInput = NULL;
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DP0_RET(KErrNone, "%d");
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}
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// ---------------------------------------------------------------------------
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// CBufferSource::GetOutputPort
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// ---------------------------------------------------------------------------
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//
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TInt CBufferSource::GetOutputPort(MOutputPort*& aOutputPort)
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{
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DP_CONTEXT(CBufferSource::GetOutputPort *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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aOutputPort = this;
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DP0_RET(KErrNone, "%d");
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}
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// ---------------------------------------------------------------------------
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// CBufferSource::FlushBuffer
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// ---------------------------------------------------------------------------
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//
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TInt CBufferSource::FlushBuffer(MFlushHandlerObserver* aFlushObserver)
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{
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DP_CONTEXT(CBufferSource::FlushBuffer *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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iObserver = aFlushObserver;
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if (!IsActive())
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{
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TRequestStatus* status = &iStatus;
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User::RequestComplete(status, KErrNone);
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SetActive();
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}
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DP0_RET(KErrNone, "%d");
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}
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// From CActive
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// ---------------------------------------------------------------------------
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// CBufferSource::DoCancel
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// ---------------------------------------------------------------------------
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//
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void CBufferSource::DoCancel()
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{
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DP_CONTEXT(CBufferSource::FlushBuffer *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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// Nothing to do
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DP_OUT();
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}
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// ---------------------------------------------------------------------------
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// CBufferSource::RunL
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// ---------------------------------------------------------------------------
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//
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void CBufferSource::RunL()
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{
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DP_CONTEXT(CBufferSource::RunL *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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iSupplier->DiscardBuffers(this);
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iObserver->FlushComplete(KErrNone);
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DP_OUT();
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}
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// end of file
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