author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 14 May 2010 16:22:35 +0300 | |
changeset 16 | 43d09473c595 |
parent 12 | 5a06f39ad45b |
permissions | -rw-r--r-- |
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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 MP3 audio formats. |
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* |
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*/ |
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|
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|
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// INCLUDES |
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#include "MP3AudioPlayControllerPlugin.h" |
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#include "MP3AudioPlayControllerPlugin.hrh" |
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#include "MP3AudioControllerUtility.h" |
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#include "MP3AudioPlayControllerDecoderBuilder.h" |
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#include "MP3AudioPlayControllerResource.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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// CONSTANTS |
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// ============================ MEMBER FUNCTIONS =============================== |
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// ----------------------------------------------------------------------------- |
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// CMP3AudioPlayControllerPlugin::CMP3AudioPlayControllerPlugin |
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// ----------------------------------------------------------------------------- |
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// |
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CMP3AudioPlayControllerPlugin::CMP3AudioPlayControllerPlugin() |
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: iDecoderBuilder(NULL) |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// CMP3AudioPlayControllerPlugin::ConstructL |
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// ----------------------------------------------------------------------------- |
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// |
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void CMP3AudioPlayControllerPlugin::ConstructL() |
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{ |
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CAdvancedAudioPlayController::ConstructL(); |
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iAudioResource = CMP3AudioPlayControllerResource::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 = CMP3AudioControllerUtility::NewL(); |
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iDecoderBuilder = CMP3AudioPlayControllerDecoderBuilder::NewL(); |
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} |
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// ----------------------------------------------------------------------------- |
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// CMP3AudioPlayControllerPlugin::NewL |
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// ----------------------------------------------------------------------------- |
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// |
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CMP3AudioPlayControllerPlugin* CMP3AudioPlayControllerPlugin::NewL() |
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{ |
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DP0(_L("CMP3AudioPlayControllerPlugin::NewL")); |
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CMP3AudioPlayControllerPlugin* self = new(ELeave) CMP3AudioPlayControllerPlugin; |
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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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CMP3AudioPlayControllerPlugin::~CMP3AudioPlayControllerPlugin() |
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{ |
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DP0(_L("CMP3AudioPlayControllerPlugin::~CMP3AudioPlayControllerPlugin")); |
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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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// CMP3AudioPlayControllerPlugin::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 CMP3AudioPlayControllerPlugin::DoAddDataSourceL() |
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{ |
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DP0(_L("CMP3AudioPlayControllerPlugin::DoAddDataSourceL")); |
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// ou1cimx1#205863 |
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if (iSourceType != KUidMmfFileSource) |
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{ |
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DP0(_L("CMP3AudioPlayControllerPlugin::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("CMP3AudioPlayControllerPlugin::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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// ----------------------------------------------------------------------------- |
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// CMP3AudioPlayControllerPlugin::DoAddDataSinkL |
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// ----------------------------------------------------------------------------- |
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// |
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void CMP3AudioPlayControllerPlugin::DoAddDataSinkL() |
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{ |
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DP0(_L("CMP3AudioPlayControllerPlugin::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 = KMP3Decoder; |
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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 = KMP3Converter; |
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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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// ----------------------------------------------------------------------------- |
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// CMP3AudioPlayControllerPlugin::DoReadHeaderL |
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// ----------------------------------------------------------------------------- |
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// |
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void CMP3AudioPlayControllerPlugin::DoReadHeaderL(CMMFDataBuffer* aBuffer) |
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{ |
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DP0(_L("CMP3AudioPlayControllerPlugin::DoReadHeaderL")); |
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|
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iAudioUtility->ScanHeaderL(aBuffer); |
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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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// iDuration = iAudioUtility->Duration(); |
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iChannels = iAudioUtility->Channels(); |
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// iSinkNumChannels = iChannels; // Default same as source |
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// iSinkNumChannels = iAudioUtility->ChannelsOut(); |
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iDataType = TFourCC(' ','M','P','3'); |
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|
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if (!(iChannels == 1 || iChannels == 2)) |
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{ |
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User::Leave(KErrNotSupported); |
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} |
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|
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// iCurrentPosition = iHeaderOffset; |
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// iReadHeader = EFalse; |
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} |
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|
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CAdvancedAudioDecoder* CMP3AudioPlayControllerPlugin::BuildDecoderL() |
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{ |
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return iDecoderBuilder->BuildDecoderL(iDecoderType); |
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} |
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|
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// ========================== OTHER EXPORTED FUNCTIONS ========================= |
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|
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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(KUIDMP3PlayControllerPluginImplementation, CMP3AudioPlayControllerPlugin::NewL) |
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}; |
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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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|
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// End of file |