mmfenh/advancedaudiocontroller/audiocontrollerpluginsvariant/AdvancedAudioController/Src/AdvancedAudioResource.cpp
/*
* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: This class provides the main API for the Advanced Audio Controller
* Resource. This class is the base class for the specific codec resource
* classes.
*
*/
// INCLUDE FILES
#include "AdvancedAudioResource.h"
// ============================ MEMBER FUNCTIONS ===============================
// -----------------------------------------------------------------------------
// CAdvancedAudioResource::CAdvancedAudioResource
// C++ default constructor can NOT contain any code, that
// might leave.
// -----------------------------------------------------------------------------
//
EXPORT_C CAdvancedAudioResource::CAdvancedAudioResource()
: iResourceBuf(NULL),
iResourceOpen(EFalse)
{
}
// Destructor
EXPORT_C CAdvancedAudioResource::~CAdvancedAudioResource()
{
iCodecConfigParams.Close();
if ( iResourceOpen )
{
delete iResourceBuf;
iResourceFile.Close();
iFs.Close();
}
}
// -----------------------------------------------------------------------------
// CAdvancedAudioResource::PropertiesL
// Returns the controller's properties for the current Codec.
// -----------------------------------------------------------------------------
//
EXPORT_C const TAapProperties& CAdvancedAudioResource::PropertiesL()
{
return iProperties;
}
// -----------------------------------------------------------------------------
// CAapResourceAMRDecoder::ConfigurationParametersL
// Returns the configuration parameters for AMR Decoder.
// -----------------------------------------------------------------------------
//
EXPORT_C const RArray<TInt>& CAdvancedAudioResource::CodecConfigParametersL()
{
return iCodecConfigParams;
}
// -----------------------------------------------------------------------------
// CAdvancedAudioResource::ReadResourceFileL
// Reads the data from the resource file for the specified codec.
// -----------------------------------------------------------------------------
//
EXPORT_C void CAdvancedAudioResource::ReadResourceFileL(
const TDesC& aResourceFileName,
TInt aResourceId )
{
iResourceOpen = ETrue;
// Connect to the file server
User::LeaveIfError(iFs.Connect());
// Open the resource file
iResourceFile.OpenL(iFs, aResourceFileName);
iResourceBuf = iResourceFile.AllocReadL(aResourceId);
iResourceReader.SetBuffer(iResourceBuf);
iProperties.iSharedBufferMaxNum = iResourceReader.ReadInt32();
iProperties.iSharedBufferMaxSize = iResourceReader.ReadInt32();
iProperties.iSharedBufferMaxSizeForNonSeekableSrc = iResourceReader.ReadInt32();
iProperties.iSamplingRate = iResourceReader.ReadInt32();
iProperties.iStereoSupport = iResourceReader.ReadInt32();
iProperties.iMetaDataSupport = iResourceReader.ReadInt32();
ReadCodecConfigParametersL();
// Cleanup
delete iResourceBuf;
iResourceBuf = NULL;
iResourceFile.Close();
iFs.Close();
iResourceOpen = EFalse;
}
// End of File