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// Copyright (c) 2002-2009 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 "MmfVideoOutput.h"
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#include <mmf/server/mmfdatabuffer.h>
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#include <ecom/implementationproxy.h>
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#include <mmf/common/mmffourcc.h>
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void Panic(TInt aPanicCode)
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{
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_LIT(KMMFVideoOutputPanicCategory, "MMFVideoOutput");
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User::Panic(KMMFVideoOutputPanicCategory, aPanicCode);
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}
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MDataSink* CMMFVideoOutput::NewSinkL()
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{
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CMMFVideoOutput* self = new (ELeave) CMMFVideoOutput ;
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return STATIC_CAST( MDataSink*, self ) ;
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}
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void CMMFVideoOutput::ConstructSinkL( const TDesC8& /*aInitData*/ )
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{
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}
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/**
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*
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* Send Video to MMFDevsound
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*
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* @param "CMMFBuffer* aBuffer"
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* The data to write out
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* @param "MDataSource* aSupplier"
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* @param "TMediaId aMediaId"
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* Type of data supplied - currently ignored.
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*/
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void CMMFVideoOutput::EmptyBufferL(CMMFBuffer* /*aBuffer*/, MDataSource* /*aSupplier*/, TMediaId /*aMediaId*/)
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{
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}
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void CMMFVideoOutput::NegotiateL(MDataSource& aSource)
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{
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if (aSource.DataSourceType() == KUidMmfFormatDecode)
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{//source is a clip so for now set sink settings to match source
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iSourceSampleRate = ((CMMFFormatDecode&)aSource).SampleRate();
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iSourceChannels = ((CMMFFormatDecode&)aSource).NumChannels();
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iSourceFourCC.Set(aSource.SourceDataTypeCode(TMediaId(KUidMediaTypeVideo)));
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((CMMFFormatDecode&)aSource).SuggestSourceBufferSize(KVideoOutputDefaultFrameSize);
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}
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/* [WINS DevSound supports different sample rates, stereo and different encoding]
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//Use SW conversion but should configure Dev sound where possible
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// WINS DevSound is 8000 sample rate, mono & pcm16
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if ((iSourceChannels != 1)||(iSourceSampleRate != 8000))
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{
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iNeedsSWConversion = ETrue;
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TUint convertedBufferFrameSize = iMMFDevSound->BufferSize( ) / iSourceChannels;
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if (iConvertBuffer) delete iConvertBuffer;
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iConvertBuffer = NULL;
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iConvertBuffer = CMMFDataBuffer::NewL(convertedBufferFrameSize);
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}
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*/
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}
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void CMMFVideoOutput::SetSinkPrioritySettings(const TMMFPrioritySettings& aPrioritySettings)
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{
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iPrioritySettings = aPrioritySettings;
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}
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void CMMFVideoOutput::SinkPrimeL()
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{
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iFirstBufferSent = EFalse;
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}
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void CMMFVideoOutput::SinkPauseL()
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{
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iFirstBufferSent = EFalse;
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iState = EPaused;
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}
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void CMMFVideoOutput::SinkPlayL()
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{
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}
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void CMMFVideoOutput::SinkStopL()
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{
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}
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TInt CMMFVideoOutput::State()
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{
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return iState;
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}
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TInt CMMFVideoOutput::SinkThreadLogon(MAsyncEventHandler& /*aEventHandler*/)
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{
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return KErrNone;
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}
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void CMMFVideoOutput::SinkThreadLogoff()
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{
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}
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void CMMFVideoOutput::BufferFilledL(CMMFBuffer* /*aBuffer*/)
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{
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// __ASSERT_DEBUG(EFalse, Panic(EMMFVideoOutputPanicBufferFilledLNotSupported));
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}
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TFourCC CMMFVideoOutput::SinkDataTypeCode(TMediaId /*aMediaId*/)
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{
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//hardwire 4CC - DevSound should have an interface to get this value
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return KMMFFourCCCodePCM16;
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}
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TBool CMMFVideoOutput::CanCreateSinkBuffer()
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{
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return ETrue;
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}
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CMMFBuffer* CMMFVideoOutput::CreateSinkBufferL(TMediaId /*aMediaId*/, TBool &aReference)
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{
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iDevSoundBuffer = CMMFDataBuffer::NewL(KVideoOutputDefaultFrameSize);
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aReference = ETrue;
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if ( iNeedsSWConversion )
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return iConvertBuffer;
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else
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return iDevSoundBuffer;
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}
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CMMFVideoOutput::~CMMFVideoOutput()
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{
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delete iChannelAndSampleRateConverterFactory;
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delete iConvertBuffer;
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}
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// __________________________________________________________________________
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// Exported proxy for instantiation method resolution
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// Define the interface UIDs
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const TImplementationProxy ImplementationTable[] =
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{
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IMPLEMENTATION_PROXY_ENTRY(KMmfUidVideoOutputInterface, CMMFVideoOutput::NewSinkL)
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};
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EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
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{
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aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
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return ImplementationTable;
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}
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