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/*
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* Copyright (c) 2005-2009 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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*/
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#include "sound_util.h"
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// Translation table for RMdaDevSound::TMdaSoundEncoding set
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_LIT(KStrEMdaSoundEncoding8BitPCM, "EMdaSoundEncoding8BitPCM");
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_LIT(KStrEMdaSoundEncoding16BitPCM, "EMdaSoundEncoding16BitPCM");
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_LIT(KStrEMdaSoundEncoding8BitALaw, "EMdaSoundEncoding8BitALaw");
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_LIT(KStrEMdaSoundEncoding8BitMuLaw, "EMdaSoundEncoding8BitMuLaw");
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// NB! Wrong member for negative testing
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_LIT(KStrEMdaSoundEncoding40BitPCM, "EMdaSoundEncoding40BitPCM");
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_LIT(KStrNull, "");
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const CDataWrapperBase::TEnumEntryTable TSoundUtil::iEnumTableSoundEncoding[] =
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{
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// Enum as a descriptor Enum
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KStrEMdaSoundEncoding8BitPCM, RMdaDevSound::EMdaSoundEncoding8BitPCM,
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KStrEMdaSoundEncoding16BitPCM, RMdaDevSound::EMdaSoundEncoding16BitPCM,
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KStrEMdaSoundEncoding8BitALaw, RMdaDevSound::EMdaSoundEncoding8BitALaw,
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KStrEMdaSoundEncoding8BitMuLaw, RMdaDevSound::EMdaSoundEncoding8BitMuLaw,
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KStrEMdaSoundEncoding40BitPCM, 0x00000040,
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KStrNull, -1
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};
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/**
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* Loading of generinc sound driver required for RMDaDevSound interface
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*
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* @param aLll LDD driver name
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* @param aPdd PDD driver name
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*
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* @return System wide error
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*
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* @leave no
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*/
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TInt TSoundUtil::LoadSoundDrivers(const TDesC& aLdd, const TDesC& aPdd)
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{
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TInt rerr = KErrNone;
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rerr = User::LoadPhysicalDevice(aPdd);
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if(rerr != KErrNone && rerr != KErrAlreadyExists)
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{
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return rerr;
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}
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rerr = User::LoadLogicalDevice(aLdd);
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if(rerr != KErrNone && rerr != KErrAlreadyExists)
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{
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return rerr;
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}
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return KErrNone;
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}
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/**
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* Un-loading of generinc sound driver required for RMDaDevSound interface
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*
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* @param aLll LDD driver name
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* @param aPdd PDD driver name
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*
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* @return System wide error
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*
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* @leave no
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*/
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TInt TSoundUtil::FreeSoundDrivers(const TDesC& aLdd, const TDesC& aPdd)
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{
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TInt rerr = KErrNone;
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rerr = User::FreePhysicalDevice(aPdd);
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if(rerr != KErrNone && rerr != KErrAlreadyExists)
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{
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return rerr;
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}
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rerr = User::FreeLogicalDevice(aLdd);
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if(rerr != KErrNone && rerr != KErrAlreadyExists)
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{
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return rerr;
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}
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return KErrNone;
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}
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/**
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* Store current RBuf8 content into the binary file
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*
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* @param aFile file name to save audio data
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*
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* @return System wide error
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*
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* @leave System wide error
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*/
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TInt TSoundUtil::RAudioBuffer::SaveAudioDataL(const TDesC& aFile)
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{
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RFs fsSession;
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::CleanupClosePushL(fsSession);
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User::LeaveIfError(fsSession.Connect());
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TInt err = KErrNone;
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RFile file;
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err = file.Create(fsSession, aFile, EFileStream | EFileWrite);
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if (!err)
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{
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err = file.Write(*this);
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file.Close();
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}
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fsSession.Close();
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CleanupStack::PopAndDestroy();
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return err;
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}
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/**
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* Load binary file content into RBuf8
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*
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* @param aFile file name where to load audio data
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*
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* @return System wide error
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*
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* @leave System wide error
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*/
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TInt TSoundUtil::RAudioBuffer::LoadAudioDataL(const TDesC& aFile)
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{
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RFs fsSession;
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::CleanupClosePushL(fsSession);
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User::LeaveIfError(fsSession.Connect());
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TFindFile findFile(fsSession);
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TInt err = findFile.FindByDir(aFile, KStrNull);
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if ( err == KErrNone )
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{
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const TDesC& fileName=findFile.File();
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RFile file;
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err = file.Open(fsSession, fileName, EFileStream | EFileRead);
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if (!err)
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{
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err = file.Read(*this);
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file.Close();
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}
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}
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fsSession.Close();
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CleanupStack::PopAndDestroy();
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return err;
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}
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/**
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* Delete file
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*
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* @param aFile file name to delete
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*
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* @return System wide error
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*
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* @leave System wide error
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*/
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TInt TSoundUtil::DeleteFileL(const TDesC& aFile)
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{
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RFs fsSession;
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CleanupClosePushL(fsSession);
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User::LeaveIfError(fsSession.Connect());
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TInt err;
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err = fsSession.Delete(aFile);
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fsSession.Close();
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CleanupStack::PopAndDestroy();
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return err;
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}
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