--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/enhancedmediaclient/Client/src/Components/AudioEffects/SourceDopplerEffectImpl.cpp Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,497 @@
+/*
+* Copyright (c) 2006 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: Project file for EnhancedMediaClient Utility
+*
+*/
+
+
+#include "SourceDopplerEffectImpl.h"
+#include <SourceDopplerBase.h>
+#include <ControlObserver.h>
+
+using namespace multimedia;
+
+CSourceDopplerEffect::CSourceDopplerEffect()
+ {
+ // No Impl
+ }
+
+CSourceDopplerEffect::~CSourceDopplerEffect()
+ {
+ delete iPrevSourceDopplerProxy;
+ delete iSourceDopplerProxy;
+ iObservers.Close();
+ }
+
+TInt CSourceDopplerEffect::PostConstructor()
+ {
+ TRAPD( status, CEffectControlBase::ConstructL(KUidSourceDopplerEffect) );
+ return status;
+ }
+
+// From MControl begins
+TInt CSourceDopplerEffect::AddObserver( MControlObserver& aObserver )
+ {
+ return iObservers.Append(&aObserver);
+ }
+
+TInt CSourceDopplerEffect::RemoveObserver( MControlObserver& aObserver )
+ {
+ TInt index = iObservers.Find(&aObserver);
+ if( index != KErrNotFound )
+ {
+ iObservers.Remove(index);
+ }
+ return index;
+ }
+
+TUid CSourceDopplerEffect::Type()
+ {
+ return KSourceDopplerEffectControl;
+ }
+
+TControlType CSourceDopplerEffect::ControlType()
+ {
+ return EEffectControl;
+ }
+
+// From MControl ends
+
+// From MEffectControl begins
+TInt CSourceDopplerEffect::Apply()
+ {
+ return DoApply();
+ }
+
+// From MEffectControl ends
+
+TInt CSourceDopplerEffect::DoApply()
+ {
+ TInt error(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ TRAP(error,iSourceDopplerProxy->ApplyL());
+ }
+ else
+ {
+ error = KErrNotReady;
+ }
+ return error;
+ }
+
+// From MSourceDopplerEffect begins
+
+/**
+* Get the velocity's cartesian settings
+* @since 3.0
+* @param aX Velocity in X direction (mm/s)
+* @param aY Velocity in Y direction (mm/s)
+* @param aZ Velocity in Z direction (mm/s)
+*/
+TInt CSourceDopplerEffect::CartesianVelocity( TInt& aX, TInt& aY, TInt& aZ )
+ {
+ TInt status(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ TInt32 a,b,c;
+ iSourceDopplerProxy->CartesianVelocity(a,b,c);
+ aX = a;
+ aY = b;
+ aZ = c;
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+
+/**
+* Get the current multiplier factor
+* @since 3.0
+* @return multiplier factor
+*/
+TInt CSourceDopplerEffect::Factor(TUint& aFactor)
+ {
+ TInt status(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ aFactor = iSourceDopplerProxy->Factor();
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Get the maximum multiplier factor
+* @since 3.0
+* @return multiplier factor
+*/
+TInt CSourceDopplerEffect::FactorMax(TUint& aFactorMax)
+ {
+ TInt status(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ aFactorMax = iSourceDopplerProxy->FactorMax();
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Sets the velocity in Cartesian coordinates of the sound source with respect to the listener.
+* @since 3.0
+* @param aX Velocity in X direction (mm/s)
+* @param aY Velocity in Y direction (mm/s)
+* @param aZ Velocity in Z direction (mm/s)
+* @return -
+*/
+TInt CSourceDopplerEffect::SetCartesianVelocity( TInt aX, TInt aY, TInt aZ )
+ {
+ TInt status(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ TInt32 a,b,c;
+ a = aX;
+ b = aY;
+ c = aZ;
+ TRAP(status,iSourceDopplerProxy->SetCartesianVelocityL(a,b,c));
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Sets the multiplier factor.
+* @since 3.0
+* @param aFactor Factor value in hundredths that ranges from 0 to FactorMax(),
+* where 100 corresponds to 1.00, 200 corresponds to 2.00, etc.
+* @return -
+*/
+TInt CSourceDopplerEffect::SetFactor( TUint aFactor )
+ {
+ TInt status(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ TRAP(status,iSourceDopplerProxy->SetFactorL(aFactor));
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Sets the velocity in spherical coordinates of the sound source with respect to the listener.
+* @since 3.0
+* @param aAzimuth the Azimuth (thousandths of radians)
+* @param aElevation the elevation (thousandths of radians)
+* @param aRadius the radius (thousandths of radians)
+* @return -
+*/
+TInt CSourceDopplerEffect::SetSphericalVelocity( TInt aAzimuth, TInt aElevation, TInt aRadius )
+ {
+ TInt status(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ TInt32 a,b,c;
+ a = aAzimuth;
+ b = aElevation;
+ c = aRadius;
+ TRAP(status,iSourceDopplerProxy->SetSphericalVelocityL(a,b,c));
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Gets the velocity's spherical coordinates settings.
+* @since 3.0
+* @param aAzimuth the Azimuth (thousandths of radians)
+* @param aElevation the elevation (thousandths of radians)
+* @param aRadius the radius (thousandths of radians)
+* @return -
+*/
+TInt CSourceDopplerEffect::SphericalVelocity( TInt& aAzimuth, TInt& aElevation, TInt& aRadius )
+ {
+ TInt status(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ TInt32 a,b,c;
+ iSourceDopplerProxy->SphericalVelocity(a,b,c);
+ aAzimuth = a;
+ aElevation = b;
+ aRadius = c;
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+// From MSourceDopplerEffect ends
+
+// From MAudioEffectControl
+/**
+* Disable the effect
+* @since 5.0
+*/
+TInt CSourceDopplerEffect::Disable()
+ {
+ TInt status(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ TRAP(status,iSourceDopplerProxy->DisableL());
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Enable the effect
+* @since 5.0
+*/
+TInt CSourceDopplerEffect::Enable()
+ {
+ TInt status(KErrNone);
+ RDebug::Print(_L("CSourceDopplerEffect::Enable() [%x]"),iSourceDopplerProxy);
+ if(iSourceDopplerProxy)
+ {
+ TRAP(status,iSourceDopplerProxy->EnableL());
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Enforce the effect.
+* @since 5.0
+* @param aEnforced Indicate the effect is to be enforced or not. ETrue = Enforced.
+*/
+TInt CSourceDopplerEffect::Enforce( TBool &aEnforced )
+ {
+ TInt status(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ TRAP(status,iSourceDopplerProxy->EnforceL(aEnforced));
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Check if this effect object currently has update rights.
+* A client can lose update rights in some hardware platforms where there are a limited
+* number of instances of an effect that can exist at the same time. When an effect instance
+* has lost update rights the user can still change settings, but any calls to Apply the
+* settings will be deferred until update rights are regained.
+* @since 5.0
+* @return ETrue if this object currently has rights to update the settings of this effect,
+* EFalse otherwise.
+*/
+TInt CSourceDopplerEffect::HaveUpdateRights(TBool &aHaveUpdateRights)
+ {
+ TInt status(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ aHaveUpdateRights = iSourceDopplerProxy->HaveUpdateRights();
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Check if the effect is enabled
+* @since 5.0
+* @return ETrue if the effect is enabled, EFalse if the effect is disabled.
+*/
+TInt CSourceDopplerEffect::IsEnabled(TBool &aEnabled)
+ {
+ TInt status(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ aEnabled = iSourceDopplerProxy->IsEnabled();
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Check if the effect is enforced.
+* @since 5.0
+* @return ETrue if the effect is enforced, EFalse if the effect isn ot enforced.
+*/
+TInt CSourceDopplerEffect::IsEnforced(TBool &aEnforced)
+ {
+ TInt status(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ aEnforced = iSourceDopplerProxy->IsEnforced();
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/*
+* Get the unique identifier of the audio effect
+* @since 5.0
+* @return Unique identifier of the audio effect object.
+*/
+TInt CSourceDopplerEffect::Uid(TUid &aUid)
+ {
+ TInt status(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ aUid = iSourceDopplerProxy->Uid();
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+// From MAudioEffectControl Ends
+
+
+// From CEffectControlBase begins
+void CSourceDopplerEffect::Event( TEffectControlEvent aEvent )
+ {
+ TInt status(KErrNone);
+ // Controller Loaded with ECIBuilderCreated
+ if ( aEvent == ECIBuilderCreated )
+ {
+ RDebug::Print(_L("Deleting Proxy"));
+ status = DeleteEffectProxy();
+ RDebug::Print(_L("Deleting Proxy [%d]"),status);
+ status = CreateEffectProxy();
+ RDebug::Print(_L("Creating Proxy [%d]"),status);
+ if(status == KErrNone)
+ {
+ SavePreviousSettings();
+ }
+ else
+ {
+ for ( TInt i = 0; i < iObservers.Count(); i++ )
+ {
+ iObservers[i]->Event(this,MAudioEffectControl::KDisabled,NULL);
+ }
+ }
+ }
+ else if ( aEvent == EMessageHandlerDeleted )
+ {
+ if(status == KErrNone)
+ {
+ DeleteEffectProxy();
+ }
+ }
+ }
+
+// From CEffectControlBase ends
+
+TInt CSourceDopplerEffect::CreateEffectProxy()
+ {
+ TInt status(KErrNone);
+ status = GetMessageHandle(iMsgHndlrHandlePckg);
+ if(status != KErrNone)
+ {
+ return status;
+ }
+ iCustomCommand = GetCustomCommand();
+ if(!iCustomCommand)
+ {
+ return KErrNotReady;
+ }
+
+ TRAP(status,iSourceDopplerProxy = CSourceDopplerProxy::NewL(iMsgHndlrHandlePckg, *iCustomCommand, NULL));
+ if(status == KErrNone)
+ {
+ TRAP(status,iSourceDopplerProxy->RegisterObserverL(*this));
+ }
+
+ return status;
+ }
+
+TInt CSourceDopplerEffect::DeleteEffectProxy()
+ {
+ TInt status(KErrNone);
+ if(iSourceDopplerProxy)
+ {
+ iPrevSourceDopplerProxy = iSourceDopplerProxy;
+ }
+ iSourceDopplerProxy = NULL;
+ return status;
+ }
+
+TInt CSourceDopplerEffect::SavePreviousSettings()
+ {
+ TInt status(KErrNone);
+ if(iPrevSourceDopplerProxy)
+ {
+ TBool enforce = iPrevSourceDopplerProxy->IsEnforced();
+ iSourceDopplerProxy->EnforceL(enforce);
+
+ TBool enable = iPrevSourceDopplerProxy->IsEnabled();
+ if(enable)
+ {
+ iSourceDopplerProxy->EnableL();
+ }
+
+ delete iPrevSourceDopplerProxy;
+ iPrevSourceDopplerProxy = NULL;
+ }
+ return status;
+ }
+
+ void CSourceDopplerEffect::EffectChanged( const CAudioEffect* /*aObservedEffect*/, TUint8 aEvent )
+ {
+ for ( TInt i = 0; i < iObservers.Count(); i++ )
+ {
+ iObservers[i]->Event(this,aEvent,NULL);
+ }
+ }
+
+// End of file