sl@0: // Copyright (c) 2005-2009 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 "pcminputport.h"
sl@0: #include "pcmprocessingunit.h"
sl@0: #include <mdf/mdfpuconfig.h>
sl@0: 
sl@0: const TUint KSampleRate 	= 8000;
sl@0: const TUint KMonoChannel 	= 1;
sl@0: const TUint KStereoChannel	= 2;
sl@0: 
sl@0: 
sl@0: CPcmInputPort* CPcmInputPort::NewL(TInt aIndex, COmxProcessingUnit* aParent, TPcmDataType aDataType)
sl@0: 	{
sl@0: 	CPcmInputPort* self = new (ELeave) CPcmInputPort(aDataType);
sl@0: 	CleanupStack::PushL (self);
sl@0: 	self->ConstructL(aIndex, aParent);
sl@0: 	CleanupStack::Pop();
sl@0: 	return self;
sl@0: 	}
sl@0: 	
sl@0: void CPcmInputPort::ConstructL(TInt aIndex, COmxProcessingUnit* aParent)
sl@0: 	{
sl@0: 	COmxInputPort::ConstructL(aIndex, aParent);
sl@0: 	}
sl@0: 
sl@0: CPcmInputPort::CPcmInputPort(TPcmDataType aDataType) :
sl@0: 	COmxInputPort(),
sl@0: 	iSampleRate(KSampleRate),
sl@0: 	iChannels(KMonoChannel),
sl@0: 	iInterleaved(EFalse),
sl@0: 	iDataType(aDataType)
sl@0: 	{
sl@0: 	}
sl@0: 	
sl@0: TInt CPcmInputPort::MipConfigure(const TPuConfig& aConfig)
sl@0: 	{
sl@0: 	if (aConfig.Uid() == TUid::Uid(KUidTTaskConfig))
sl@0: 		{
sl@0: 		const TTaskConfig* config = TPuTaskConfig::GetStructure(aConfig);	
sl@0: 	
sl@0: 		iSampleRate = config->iRate;
sl@0: 		iChannels = (config->iStereoMode & ETaskMono)? KMonoChannel : KStereoChannel;
sl@0: 		iInterleaved = (config->iStereoMode & ETaskInterleaved)?ETrue : EFalse;
sl@0: 		return KErrNone;
sl@0: 		}
sl@0: 	return KErrNotSupported;	
sl@0: 	}
sl@0: 	
sl@0: void CPcmInputPort::MipInitialize()
sl@0: 	{
sl@0: 	OMX_AUDIO_PARAM_PCMMODETYPE pcm;
sl@0: 	OMX_VERSIONTYPE ver = 
sl@0: 		{
sl@0: 		1,0
sl@0: 		};
sl@0: 	pcm.nVersion = ver;
sl@0: 	pcm.nSize = sizeof(OMX_AUDIO_PARAM_PCMMODETYPE);
sl@0: 	pcm.nPortIndex = MipIndex();
sl@0: 	pcm.nSamplingRate = iSampleRate;
sl@0: 	pcm.ePCMMode = OMX_AUDIO_PCMModeLinear;
sl@0: 	pcm.nChannels = iChannels;
sl@0: 	pcm.bInterleaved = (OMX_BOOL)iInterleaved;
sl@0: 
sl@0: 	switch (iDataType)
sl@0: 		{
sl@0: 	case EPCM8:
sl@0: 		pcm.nBitPerSample = 8;
sl@0: 		pcm.eNumData = OMX_NumericalDataSigned; 
sl@0: 		break;
sl@0: 	case EPCMU8:
sl@0: 		pcm.nBitPerSample = 8;
sl@0: 		pcm.eNumData = OMX_NumericalDataUnsigned; 
sl@0: 		break;
sl@0: 	case EPCM16:
sl@0: 		pcm.nBitPerSample = 16;
sl@0: 		pcm.eNumData = OMX_NumericalDataSigned; 
sl@0: 		break;
sl@0: 		}
sl@0: 	
sl@0: 	// Set Input Port
sl@0: 	Component()->OmxSetParameter(OMX_IndexParamAudioPcm, &pcm);
sl@0: 	}
sl@0: