mmfenh/advancedaudiocontroller/audiocontrollerpluginsvariant/3gpaudioplaycontroller/Src/3GPAudioPlayControllerDecoderBuilder.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:08:46 +0200
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/*
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* Copyright (c) 2004 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:  This is a builder class for decoder object.
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*
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*/
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// INCLUDE FILES
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#include	"3GPAudioPlayControllerDecoderBuilder.h"
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#include	"AACAudioPlayControllerDecoder.h"
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#include	"AWBAudioPlayControllerDecoder.h"
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#include	"AMRAudioPlayControllerDecoder.h"
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// C3GPAudioPlayControllerDecoderBuilder::C3GPAudioPlayControllerDecoderBuilder
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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C3GPAudioPlayControllerDecoderBuilder::C3GPAudioPlayControllerDecoderBuilder()
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    {
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    }
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// -----------------------------------------------------------------------------
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// C3GPAudioPlayControllerDecoderBuilder::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void C3GPAudioPlayControllerDecoderBuilder::ConstructL()
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	{
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#ifdef _DEBUG
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	RDebug::Print(_L("C3GPAudioPlayControllerDecoderBuilder::ConstructL"));
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#endif
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	}
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// -----------------------------------------------------------------------------
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// C3GPAudioPlayControllerDecoderBuilder::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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C3GPAudioPlayControllerDecoderBuilder* C3GPAudioPlayControllerDecoderBuilder::NewL()
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	{
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#ifdef _DEBUG
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	RDebug::Print(_L("C3GPAudioPlayControllerDecoderBuilder::NewL"));
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#endif
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	C3GPAudioPlayControllerDecoderBuilder* self = new(ELeave) C3GPAudioPlayControllerDecoderBuilder();
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	CleanupStack::PushL(self);
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	self->ConstructL();
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	CleanupStack::Pop(self); // self
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	return self;
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	}
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// Destructor
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C3GPAudioPlayControllerDecoderBuilder::~C3GPAudioPlayControllerDecoderBuilder()
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	{
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	}
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// -----------------------------------------------------------------------------
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// C3GPAudioPlayControllerDecoderBuilder::BuildDecoderL
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// Creates a decoder of specified type.
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// -----------------------------------------------------------------------------
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//
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CAdvancedAudioDecoder* C3GPAudioPlayControllerDecoderBuilder::BuildDecoderL(
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	TInt /*aType*/,
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	const TFourCC& aSrcDatatype )
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	{
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#ifdef _DEBUG
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	RDebug::Print(_L("C3GPAudioPlayControllerDecoderBuilder::BuildDecoderL"));
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#endif
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	// For CMMFCodec version, we use same decoder for play and conversion
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	if (aSrcDatatype == TFourCC(' ','A','M','R'))
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		{
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		CAMRAudioPlayControllerDecoder* decoder = CAMRAudioPlayControllerDecoder::NewL();
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		return decoder;
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		}
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	else if (aSrcDatatype == TFourCC(' ','A','W','B'))
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		{
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		CAWBAudioPlayControllerDecoder* decoder = CAWBAudioPlayControllerDecoder::NewL();
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		return decoder;
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		}
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	else if (aSrcDatatype == TFourCC(' ','E','A','C'))
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		{
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		CAACAudioPlayControllerDecoder* decoder = CAACAudioPlayControllerDecoder::NewL();
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		return decoder;
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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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	return NULL; //to suppress warning
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	}
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//  End of File