mpxplugins/viewplugins/views/audioeffectsview/src/mpxaudioeffectsmodel.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:45:05 +0200
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/*
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* Copyright (c) 2002 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:  Engine class that uses the Effects API and saves changes.
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*
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*/
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// INCLUDE FILES
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#include  <s32file.h>
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#include  <s32std.h>
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#include  "mpxaudioeffectproperties.h"
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#include  <mpxaudioeffectsview.rsg>
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#include  <mpxplaybackutility.h>
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#include  <mpxlog.h>
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#include  "mpxaudioeffects.hrh"
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#include  "mpxaudioeffectsmodel.h"
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// CONSTANTS
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const TInt KAudioEffectsCustomCommand = 0x101FFC02;
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// ================= MEMBER FUNCTIONS =======================
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// -----------------------------------------------------------------------------
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// CMPXAudioEffectsModel::NewL()
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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CMPXAudioEffectsModel* CMPXAudioEffectsModel::NewL(
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    MMPXPlaybackUtility& aPlaybackUtility)
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    {
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    CMPXAudioEffectsModel* self = new( ELeave ) 
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                                        CMPXAudioEffectsModel(aPlaybackUtility);
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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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// -----------------------------------------------------------------------------
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// CMPXAudioEffectsModel::CMPXAudioEffectsModel()
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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CMPXAudioEffectsModel::CMPXAudioEffectsModel(MMPXPlaybackUtility& aPlaybackUtility)
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    :iPlaybackUtility(aPlaybackUtility)
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    {
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    }
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// -----------------------------------------------------------------------------
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// CMPXAudioEffectsModel::~CMPXAudioEffectsModel()
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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CMPXAudioEffectsModel::~CMPXAudioEffectsModel()
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    {
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    if (iProp)
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        {
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        delete iProp;
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        }
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    }
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// -----------------------------------------------------------------------------
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// CMPXAudioEffectsModel::ConstructL()
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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void CMPXAudioEffectsModel::ConstructL()
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    {
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    iProp = new(ELeave) CMPXAudioEffectProperties();   
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    MPX_TRAPD( err, iProp->LoadFromFileL() ); //Loads saved settings if available
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    if( err != KErrNone )
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        {
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        MPX_DEBUG1("CMPXAudioEffectsModel::ConstructL -- load error");
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        iProp->Reset();
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        iBalance = 0;
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        iReverb = 0;
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        iStereo = EFalse;
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        iBassBoost = EFalse;
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        iLoudness = EFalse;
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#if 1 // VCPCC_MOD
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        iLoudness=EFalse; 
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#endif // VCPCC_MOD   
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        MPX_DEBUG1("CMPXAudioEffectsModel::ConstructL -- save to file");
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        iProp->SaveToFileL();        
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        }
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    else
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        {
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        iBalance = iProp->Balance();
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        iReverb = iProp->Reverb();
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        iStereo = iProp->Stereo();
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        iBassBoost = iProp->BassBoost(); 
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        iLoudness = iProp->Loudness();   
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        }
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    }
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// -----------------------------------------------------------------------------
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// CMPXAudioEffectsModel::SetBalanceL()
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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void CMPXAudioEffectsModel::SetBalanceL()
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    {
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    iProp->SetBalance(iBalance);
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    MPX_DEBUG1("CMPXAudioEffectsModel::SetBalanceL -- save to file");
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    iProp->SaveToFileL();
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    iPlaybackUtility.CommandL( EPbApplyEffect, KAudioEffectsCustomCommand );
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    }
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// -----------------------------------------------------------------------------
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// CMPXAudioEffectsModel::SetReverberationL()
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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void CMPXAudioEffectsModel::SetReverberationL()
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    {
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    iProp->SetReverb(iReverb);
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    MPX_DEBUG1("CMPXAudioEffectsModel::SetReverberationL -- reverb save to file");
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    iProp->SaveToFileL();
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    iPlaybackUtility.CommandL( EPbApplyEffect, KAudioEffectsCustomCommand );
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    }
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// -----------------------------------------------------------------------------
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// CMPXAudioEffectsModel::SetStereoWideningL()
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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void CMPXAudioEffectsModel::SetStereoWideningL()
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    {
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    iProp->SetStereo(iStereo);
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    MPX_DEBUG1("CMPXAudioEffectsModel::SetStereoWideningL -- set stereo save to file");
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    iProp->SaveToFileL();
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    iPlaybackUtility.CommandL( EPbApplyEffect, KAudioEffectsCustomCommand );
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    }
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// -----------------------------------------------------------------------------
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// CMPXAudioEffectsModel::SetBassBoostL()
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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void CMPXAudioEffectsModel::SetBassBoostL()
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    {
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#if 0 // VCPCC_MOD    
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    iProp->SetBassBoost(iBassBoost);
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    iProp->SaveToFileL();
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    iPlaybackUtility.CommandL( EPbApplyEffect, KAudioEffectsCustomCommand );
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#endif // VCPCC_MOD   
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    }
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// -----------------------------------------------------------------------------
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// CMPXAudioEffectsModel::SetLoudnessL()
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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void CMPXAudioEffectsModel::SetLoudnessL()
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    {
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    iProp->SetLoudness(iLoudness);
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    MPX_DEBUG1("CMPXAudioEffectsModel::SetLoudnessL -- save to file");
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    iProp->SaveToFileL();
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    iPlaybackUtility.CommandL( EPbApplyEffect, KAudioEffectsCustomCommand );
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    }
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// End of file
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