Symaptic: os/mm/mmdevicefw/mdfunittest/codecapi/PU/pcmcodec/src/pcmoutputport.cpp@bde4ae8d615e

     1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    16 #include "pcmoutputport.h"

    17 #include "pcmprocessingunit.h"

    18 #include <mdf/mdfpuconfig.h>

    20 const TUint KSampleRate 	= 8000;

    21 const TUint KMonoChannel 	= 1;

    22 const TUint KStereoChannel	= 2;

    25 CPcmOutputPort* CPcmOutputPort::NewL(TInt aIndex, COmxProcessingUnit* aParent, TPcmDataType aDataType)

    26 	{

    27 	CPcmOutputPort* self = new (ELeave) CPcmOutputPort(aDataType);

    28 	CleanupStack::PushL (self);

    29 	self->ConstructL(aIndex, aParent);

    30 	CleanupStack::Pop();

    31 	return self;

    32 	}

    34 void CPcmOutputPort::ConstructL(TInt aIndex, COmxProcessingUnit* aParent)

    35 	{

    36 	COmxOutputPort::ConstructL(aIndex, aParent);

    37 	}

    39 CPcmOutputPort::CPcmOutputPort(TPcmDataType aDataType) :

    40 	COmxOutputPort(),

    41 	iSampleRate(KSampleRate),

    42 	iChannels(KMonoChannel),

    43 	iInterleaved(EFalse),

    44 	iDataType(aDataType)

    45 	{

    46 	}

    48 TInt CPcmOutputPort::MopConfigure(const TPuConfig&  aConfig)

    49 	{

    50 	if (aConfig.Uid() == TUid::Uid(KUidTTaskConfig))

    51 		{

    52 		const TTaskConfig* config = TPuTaskConfig::GetStructure(aConfig);

    53 		iSampleRate = config->iRate;

    54 		iChannels = (config->iStereoMode & ETaskMono)? KMonoChannel : KStereoChannel;

    55 		iInterleaved = (config->iStereoMode & ETaskInterleaved)?ETrue : EFalse;

    56 		return KErrNone;

    57 		}

    58 	return KErrNotSupported;

    59 	}

    61 void CPcmOutputPort::MopInitialize()

    62  	{

    63  	COmxOutputPort::MopInitialize();

    64 	OMX_AUDIO_PARAM_PCMMODETYPE pcm;

    65 	OMX_VERSIONTYPE ver =

    66 		{

    67 		1,0

    68 		};

    69 	pcm.nVersion = ver;

    70 	pcm.nSize = sizeof(OMX_AUDIO_PARAM_PCMMODETYPE);

    71 	pcm.nPortIndex = MopIndex();

    72 	pcm.nSamplingRate = iSampleRate;

    73 	pcm.ePCMMode = OMX_AUDIO_PCMModeLinear;

    74 	pcm.nChannels = iChannels;

    75 	pcm.bInterleaved = (OMX_BOOL)iInterleaved;

    77 	switch (iDataType)

    78 		{

    79 	case EPCM8:

    80 		pcm.nBitPerSample = 8;

    81 		pcm.eNumData = OMX_NumericalDataSigned;

    82 		break;

    83 	case EPCMU8:

    84 		pcm.nBitPerSample = 8;

    85 		pcm.eNumData = OMX_NumericalDataUnsigned;

    86 		break;

    87 	case EPCM16:

    88 		pcm.nBitPerSample = 16;

    89 		pcm.eNumData = OMX_NumericalDataSigned;

    90 		break;

    91 		}

    93 	// Set Input Port

    94 	Component()->OmxSetParameter(OMX_IndexParamAudioPcm, &pcm);

    95  	}

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--