// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
//
#include "pcminputport.h"
#include "pcmprocessingunit.h"
#include <mdf/mdfpuconfig.h>
const TUint KSampleRate = 8000;
const TUint KMonoChannel = 1;
const TUint KStereoChannel = 2;
CPcmInputPort* CPcmInputPort::NewL(TInt aIndex, COmxProcessingUnit* aParent, TPcmDataType aDataType)
{
CPcmInputPort* self = new (ELeave) CPcmInputPort(aDataType);
CleanupStack::PushL (self);
self->ConstructL(aIndex, aParent);
CleanupStack::Pop();
return self;
}
void CPcmInputPort::ConstructL(TInt aIndex, COmxProcessingUnit* aParent)
{
COmxInputPort::ConstructL(aIndex, aParent);
}
CPcmInputPort::CPcmInputPort(TPcmDataType aDataType) :
COmxInputPort(),
iSampleRate(KSampleRate),
iChannels(KMonoChannel),
iInterleaved(EFalse),
iDataType(aDataType)
{
}
TInt CPcmInputPort::MipConfigure(const TPuConfig& aConfig)
{
if (aConfig.Uid() == TUid::Uid(KUidTTaskConfig))
{
const TTaskConfig* config = TPuTaskConfig::GetStructure(aConfig);
iSampleRate = config->iRate;
iChannels = (config->iStereoMode & ETaskMono)? KMonoChannel : KStereoChannel;
iInterleaved = (config->iStereoMode & ETaskInterleaved)?ETrue : EFalse;
return KErrNone;
}
return KErrNotSupported;
}
void CPcmInputPort::MipInitialize()
{
OMX_AUDIO_PARAM_PCMMODETYPE pcm;
OMX_VERSIONTYPE ver =
{
1,0
};
pcm.nVersion = ver;
pcm.nSize = sizeof(OMX_AUDIO_PARAM_PCMMODETYPE);
pcm.nPortIndex = MipIndex();
pcm.nSamplingRate = iSampleRate;
pcm.ePCMMode = OMX_AUDIO_PCMModeLinear;
pcm.nChannels = iChannels;
pcm.bInterleaved = (OMX_BOOL)iInterleaved;
switch (iDataType)
{
case EPCM8:
pcm.nBitPerSample = 8;
pcm.eNumData = OMX_NumericalDataSigned;
break;
case EPCMU8:
pcm.nBitPerSample = 8;
pcm.eNumData = OMX_NumericalDataUnsigned;
break;
case EPCM16:
pcm.nBitPerSample = 16;
pcm.eNumData = OMX_NumericalDataSigned;
break;
}
// Set Input Port
Component()->OmxSetParameter(OMX_IndexParamAudioPcm, &pcm);
}