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