mmfenh/advancedaudiocontroller/audiocontrollerpluginsvariant/amraudioplaycontroller/Src/AMRAudioPlayControllerPlugin.cpp
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:23:00 +0100
branchRCL_3
changeset 46 0ac9a5310753
parent 45 095bea5f582e
child 54 53984cc2f70a
permissions -rw-r--r--
Revert incorrect RCL_3 drop: Revision: 201033 Kit: 201035
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/*
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* Copyright (c) 2006 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:  Play controller for AMR audio formats.
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*
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*/
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// INCLUDES
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#include "AMRAudioPlayControllerPlugin.h"
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#include "AMRAudioPlayControllerPlugin.hrh"
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#include "AMRAudioControllerUtility.h"
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#include "AMRAudioPlayControllerDecoderBuilder.h"
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#include "AMRAudioPlayControllerResource.h"
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#include "DevSoundAudioOutput.h"
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#include "FileAudioOutput.h"
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#include "DebugMacros.h"
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#include <mmfformatimplementationuids.hrh>
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// CONSTANTS
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//const TInt KAapBufferSize       = 8*1024;
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const TUint KMonoChannel        = 1;
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const TUint KStereoChannel      = 2;
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CAMRAudioPlayControllerPlugin::CAMRAudioPlayControllerPlugin
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// -----------------------------------------------------------------------------
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//
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CAMRAudioPlayControllerPlugin::CAMRAudioPlayControllerPlugin()
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	:	iDecoderBuilder(NULL)
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	{
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    }
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// -----------------------------------------------------------------------------
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// CAMRAudioPlayControllerPlugin::ConstructL
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// -----------------------------------------------------------------------------
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//
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void CAMRAudioPlayControllerPlugin::ConstructL()
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    {
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    CAdvancedAudioPlayController::ConstructL();
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	iAudioResource = CAMRAudioPlayControllerResource::NewL();
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    TAapProperties aapProperties = iAudioResource->PropertiesL();
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    iSharedBufferMaxNum = aapProperties.iSharedBufferMaxNum;
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    iSharedBufferMaxSize = aapProperties.iSharedBufferMaxSize;
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    iMetaDataSupport = aapProperties.iMetaDataSupport;
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    iSharedBufferMaxSizeForNonSeekableSrc = aapProperties.iSharedBufferMaxSizeForNonSeekableSrc;
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	iAudioUtility = CAMRAudioControllerUtility::NewL();
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	iDecoderBuilder = CAMRAudioPlayControllerDecoderBuilder::NewL();
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    }
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// -----------------------------------------------------------------------------
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// CAMRAudioPlayControllerPlugin::NewL
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// -----------------------------------------------------------------------------
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//
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CAMRAudioPlayControllerPlugin* CAMRAudioPlayControllerPlugin::NewL()
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    {
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	DP0(_L("CAMRAudioPlayControllerPlugin::NewL"));
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    CAMRAudioPlayControllerPlugin* self = new(ELeave) CAMRAudioPlayControllerPlugin;
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    CleanupStack::Pop(self);
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    return self;
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    }
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// Destructor
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CAMRAudioPlayControllerPlugin::~CAMRAudioPlayControllerPlugin()
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    {
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	DP0(_L("CAMRAudioPlayControllerPlugin::~CAMRAudioPlayControllerPlugin"));
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    if (iIsDRMProtected)
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		{
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		delete iDataSource;
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		}
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    if ((iState != EStopped) && (iState != EInitialized) && iAudioOutput)
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        {
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        TRAPD(err, iAudioOutput->StopL());
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		err = err;
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        }
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	delete iDecoderBuilder;
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    delete iAudioUtility;
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    delete iAudioResource;
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    delete iAudioOutput;
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    }
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// -----------------------------------------------------------------------------
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// CAMRAudioPlayControllerPlugin::DoAddDataSourceL
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// Initialization of Clip properties. We build a table needed for positioning.
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// -----------------------------------------------------------------------------
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//
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void CAMRAudioPlayControllerPlugin::DoAddDataSourceL()
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    {
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    DP0(_L("CAMRAudioPlayControllerPlugin::DoAddDataSourceL"));
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        // ou1cimx1#205863
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    if (iSourceType != KUidMmfFileSource) 
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    	{
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	    DP0(_L("CAMRAudioPlayControllerPlugin::DoAddDataSourceL not file source"));        
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	    if (iSharedBufferMaxNum <= 2)
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	        {
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	        	iSharedBufferMaxNum = 3;
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	        }
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		 iSharedBufferMaxSize = iSharedBufferMaxSizeForNonSeekableSrc;
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	    DP2(_L("CAMRAudioPlayControllerPlugin::DoAddDataSourceL new iSharedBufferMaxNum[%d] iSharedBufferMaxSize[%d]"), iSharedBufferMaxNum, iSharedBufferMaxSize);
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    	}
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0
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    }
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// -----------------------------------------------------------------------------
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// CAMRAudioPlayControllerPlugin::DoAddDataSinkL
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// -----------------------------------------------------------------------------
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//
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void CAMRAudioPlayControllerPlugin::DoAddDataSinkL()
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    {
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    DP0(_L("CAMRAudioPlayControllerPlugin::DoAddDataSinkL"));
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    if (iDataSink->DataSinkType() == KUidMmfAudioOutput)
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		{
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		iAudioOutput = CDevSoundAudioOutput::NewL(iPrioritySettings, *this, *iMMFDevSound);
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		iDecoderType = KAMRDecoder;
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        }
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    else if (iDataSink->DataSinkType() == KUidMmfFileSink)
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        {
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		iAudioOutput = CFileAudioOutput::NewL(*iDataSink, iPrioritySettings, *this);
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		iDecoderType = KAMRConverter;
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        }
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    else
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        {
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        User::Leave(KErrNotSupported);
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        }
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    }
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// -----------------------------------------------------------------------------
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// CAMRAudioPlayControllerPlugin::DoReadHeaderL
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// -----------------------------------------------------------------------------
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//
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void CAMRAudioPlayControllerPlugin::DoReadHeaderL(CMMFDataBuffer* aBuffer)
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    {
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    DP0(_L("CAMRAudioPlayControllerPlugin::DoReadHeaderL"));
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	// While parsing past header or id3 data, ScanHeaderL will leave with KErrNotReady.
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	// ScanHeaderL will leave if the util still wants more data for averaging
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	// by returning KErrCompletion.
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	// We need to trap so that we can save the config info and then
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	// do the leave below.
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    TRAPD(err, iAudioUtility->ScanHeaderL(aBuffer));
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    if(err != KErrNotReady)
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	    {
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	    iHeaderOffset = iAudioUtility->HeaderOffset();
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	    iSyncOffset = iAudioUtility->SyncOffset();
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	    iSampleRate = iAudioUtility->SampleRate();
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	    iSinkSampleRate = iSampleRate; // Default same as source
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	//    iBitRate = iAudioUtility->BitRate();
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	    iChannels = iAudioUtility->Channels();
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	//    iSinkNumChannels = iChannels; // Default same as source
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	//    iDuration = iAudioUtility->ScanDuration();
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	    iDataType = TFourCC(' ','A','M','R');
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	    iSourceFormat = TUid::Uid(KAdvancedUidFormatAMRRead); // what is this for ???
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	    if (!(iChannels == KMonoChannel || iChannels == KStereoChannel))
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	       {
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	       User::Leave(KErrNotSupported);
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	       }
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		}
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	User::LeaveIfError(err);
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//	iCurrentPosition = iHeaderOffset;
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//	iReadHeader = EFalse;
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    }
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CAdvancedAudioDecoder* CAMRAudioPlayControllerPlugin::BuildDecoderL()
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	{
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	return iDecoderBuilder->BuildDecoderL(iDecoderType);
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	}
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// ========================== OTHER EXPORTED FUNCTIONS =========================
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// Exported proxy for instantiation method resolution
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// Define the interface UIDs
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const TImplementationProxy ImplementationTable[] =
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    {
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	    IMPLEMENTATION_PROXY_ENTRY(KUIDAMRPlayControllerPluginImplementation, CAMRAudioPlayControllerPlugin::NewL)
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    };
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// -----------------------------------------------------------------------------
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// ImplementationGroupProxy
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// -----------------------------------------------------------------------------
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//
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EXPORT_C const TImplementationProxy* ImplementationGroupProxy(
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    TInt& aTableCount)
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    {
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    aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
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    return ImplementationTable;
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    }
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// End of file