sl@0: // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include "MmfVideoOutput.h"
sl@0: #include <mmf/server/mmfdatabuffer.h>
sl@0: #include <ecom/implementationproxy.h>
sl@0: #include <mmf/common/mmffourcc.h>
sl@0: 
sl@0: 
sl@0: void Panic(TInt aPanicCode)
sl@0: 	{
sl@0: 	_LIT(KMMFVideoOutputPanicCategory, "MMFVideoOutput");
sl@0: 	User::Panic(KMMFVideoOutputPanicCategory, aPanicCode);
sl@0: 	}
sl@0: 
sl@0: MDataSink* CMMFVideoOutput::NewSinkL()
sl@0: 	{
sl@0: 	CMMFVideoOutput* self = new (ELeave) CMMFVideoOutput ;
sl@0: 	return STATIC_CAST( MDataSink*, self ) ;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFVideoOutput::ConstructSinkL( const TDesC8& /*aInitData*/ )
sl@0: 	{
sl@0: 
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /**
sl@0:  *
sl@0:  * Send Video to MMFDevsound
sl@0:  *
sl@0:  * @param		"CMMFBuffer* aBuffer"
sl@0:  *				The data to write out
sl@0:  * @param		"MDataSource* aSupplier"
sl@0:  * @param		"TMediaId aMediaId"
sl@0:  *				Type of data supplied - currently ignored.
sl@0:  */
sl@0: 
sl@0: void CMMFVideoOutput::EmptyBufferL(CMMFBuffer* /*aBuffer*/, MDataSource* /*aSupplier*/, TMediaId /*aMediaId*/)
sl@0: 	{
sl@0: 
sl@0: 	}
sl@0: 
sl@0: void CMMFVideoOutput::NegotiateL(MDataSource& aSource)
sl@0: 	{
sl@0: 	if (aSource.DataSourceType() == KUidMmfFormatDecode)
sl@0: 		{//source is a clip so for now set sink settings to match source
sl@0: 		iSourceSampleRate = ((CMMFFormatDecode&)aSource).SampleRate();
sl@0: 		iSourceChannels = ((CMMFFormatDecode&)aSource).NumChannels();
sl@0: 		iSourceFourCC.Set(aSource.SourceDataTypeCode(TMediaId(KUidMediaTypeVideo)));
sl@0: 		((CMMFFormatDecode&)aSource).SuggestSourceBufferSize(KVideoOutputDefaultFrameSize);
sl@0: 		}
sl@0: /*	[WINS DevSound supports different sample rates, stereo and different encoding]
sl@0: 	//Use SW conversion but  should configure Dev sound where possible
sl@0: 	// WINS DevSound is 8000 sample rate, mono & pcm16
sl@0: 	if ((iSourceChannels != 1)||(iSourceSampleRate != 8000)) 
sl@0: 		{
sl@0: 		iNeedsSWConversion = ETrue;
sl@0: 		TUint convertedBufferFrameSize = iMMFDevSound->BufferSize( ) / iSourceChannels;
sl@0: 		if (iConvertBuffer) delete iConvertBuffer; 
sl@0: 		iConvertBuffer = NULL;
sl@0: 		iConvertBuffer = CMMFDataBuffer::NewL(convertedBufferFrameSize);
sl@0: 		}
sl@0: */
sl@0: 	}
sl@0: 
sl@0: void CMMFVideoOutput::SetSinkPrioritySettings(const TMMFPrioritySettings& aPrioritySettings)
sl@0: 	{
sl@0: 	iPrioritySettings = aPrioritySettings;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFVideoOutput::SinkPrimeL()
sl@0: 	{
sl@0: 	iFirstBufferSent = EFalse;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFVideoOutput::SinkPauseL()
sl@0: 	{
sl@0: 	iFirstBufferSent = EFalse;
sl@0: 	iState = EPaused;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFVideoOutput::SinkPlayL()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CMMFVideoOutput::SinkStopL()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: TInt CMMFVideoOutput::State()
sl@0: 	{
sl@0: 	return iState;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt CMMFVideoOutput::SinkThreadLogon(MAsyncEventHandler& /*aEventHandler*/)
sl@0: 	{
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFVideoOutput::SinkThreadLogoff()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFVideoOutput::BufferFilledL(CMMFBuffer* /*aBuffer*/)
sl@0: 	{
sl@0: //	__ASSERT_DEBUG(EFalse, Panic(EMMFVideoOutputPanicBufferFilledLNotSupported));
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TFourCC CMMFVideoOutput::SinkDataTypeCode(TMediaId /*aMediaId*/)
sl@0: 	{
sl@0: 	//hardwire 4CC - DevSound should have an interface to get this value
sl@0: 	return KMMFFourCCCodePCM16;
sl@0: 	}
sl@0: 
sl@0: TBool CMMFVideoOutput::CanCreateSinkBuffer()
sl@0: 	{
sl@0: 	return ETrue;
sl@0: 	}
sl@0: 
sl@0: CMMFBuffer* CMMFVideoOutput::CreateSinkBufferL(TMediaId /*aMediaId*/, TBool &aReference)
sl@0: 	{
sl@0: 	iDevSoundBuffer = CMMFDataBuffer::NewL(KVideoOutputDefaultFrameSize);
sl@0: 	aReference = ETrue;
sl@0: 	if ( iNeedsSWConversion )
sl@0: 		return iConvertBuffer;
sl@0: 	else
sl@0: 		return iDevSoundBuffer;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CMMFVideoOutput::~CMMFVideoOutput()
sl@0: 	{
sl@0: 	delete iChannelAndSampleRateConverterFactory;
sl@0: 	delete iConvertBuffer;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // __________________________________________________________________________
sl@0: // Exported proxy for instantiation method resolution
sl@0: // Define the interface UIDs
sl@0: 
sl@0: 
sl@0: 
sl@0: const TImplementationProxy ImplementationTable[] =
sl@0: 	{
sl@0: 		IMPLEMENTATION_PROXY_ENTRY(KMmfUidVideoOutputInterface,	CMMFVideoOutput::NewSinkL)
sl@0: 	};
sl@0: 
sl@0: EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
sl@0: 	{
sl@0: 	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
sl@0: 
sl@0: 	return ImplementationTable;
sl@0: 	}
sl@0: