devsound/devsoundrefplugin/src/server/Policy/MdaHwInfo.cpp
author hgs
Wed, 13 Oct 2010 12:08:48 +0100
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parent 0 79dd3e2336a0
permissions -rw-r--r--
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// Copyright (c) 2002-2009 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:
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//
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#include "MdaHwInfo.h"
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#include <e32svr.h>
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#ifndef SYMBIAN_MDF_SHAREDCHUNK_SOUNDDRIVER
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	_LIT(KPddFileName,"ESDRV.PDD");
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	_LIT(KLddFileName,"ESOUND.LDD");
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#endif
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CMdaHwInfo::~CMdaHwInfo()
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	{
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	}
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void CMdaHwInfo::ConstructL()
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	{
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	GetHwInfoL();
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	}
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CMdaHwInfo* CMdaHwInfo::NewL()
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	{	
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	CMdaHwInfo* self = new(ELeave)CMdaHwInfo();
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	CleanupStack::PushL(self);
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	self->ConstructL();
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	CleanupStack::Pop();
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	return(self);
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	}
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CMdaHwInfo::CMdaHwInfo()
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	{
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	}
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void CMdaHwInfo::GetHwInfoL()
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	{
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//#ifdef __WINS__ @@@ Sound drivers must be present!!!
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#ifndef SYMBIAN_MDF_SHAREDCHUNK_SOUNDDRIVER
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	TInt ret = User::LoadPhysicalDevice(KPddFileName);
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	if ((ret!=KErrNone) && (ret!=KErrAlreadyExists))
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		User::Leave(ret);
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	ret = User::LoadLogicalDevice(KLddFileName);
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	if ((ret!=KErrNone) && (ret!=KErrAlreadyExists))
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		User::Leave(ret);
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#endif//Adapter loads the drivers too.
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	User::LeaveIfError(iDevice.Open());
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	if (!iDevice.Handle())
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		User::Leave(KErrBadHandle);
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	iDevice.PlayFormatsSupported(iPlayFormatsSupported);
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	iDevice.GetPlayFormat(iPlayFormat);
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	iDevice.RecordFormatsSupported(iRecordFormatsSupported);
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	iDevice.GetRecordFormat(iRecordFormat);
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	iDevice.Close();
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//#endif
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	}