--- a/tsrc/musenginestub/src/musengcamerahandler.cpp Tue Aug 31 15:12:07 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,703 +0,0 @@
-/*
-* Copyright (c) 2005 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:
-*
-*/
-
-
-// USER
-#include "musengcamerahandler.h"
-#include "musunittesting.h"
-#include "musengmceutils.h"
-#include "musenglogger.h"
-
-// SYSTEM
-#include <mcemanager.h>
-#include <mcecamerasource.h>
-#include <mcevideostream.h>
-#include <mcertpsink.h>
-#include <mcedisplaysink.h>
-#include <mcefilesink.h>
-#include <mcesession.h>
-
-const TInt KMaxBrightness = 100;
-const TInt KMinBrightness = -100;
-const TInt KBrightnessStepSize = 10;
-
-
-//Number of big and small zoom steps on Zoom scale
-const TInt KZoomBigStepCount = 15;
-const TInt KZoomSmallStepCount = KZoomBigStepCount*2;
-const TInt KZoomStepMinSize = 1;
-
-const TInt64 KZoomFasterTime = 333333; // 1/3 second
-const TInt KOneCameraOnly = 1;
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-TMusEngCameraHandler::TMusEngCameraHandler() :
- iSession( NULL ),
- iDefaultZoomFactor( -1 ),
- iDefaultBrightness( 0 ),
- iZoomInTime(0),
- iZoomOutTime(0),
- iSmallZoomStep( KZoomStepMinSize ),
- iBigZoomStep( KZoomStepMinSize ),
- iCameraUsage( MusSettingsKeys::EUseCameraSwapping )
- {
-
- }
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-void TMusEngCameraHandler::SetSession( CMceSession* aSession )
- {
- iSession = aSession;
- }
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-void TMusEngCameraHandler::InitializeL( CMceCameraSource& aCamera )
- {
- aCamera.GetCameraInfo( iCameraInfo );
- iDefaultZoomFactor = aCamera.ZoomFactorL();
-
- InitializeZoomStepSize();
-
- iCurrentCamera = EBackCamera;
- if ( iCameraUsage == MusSettingsKeys::EUseOnlySecondaryCamera )
- {
- iCurrentCamera = EFrontCamera;
- }
- aCamera.SetCameraIndexL( (TInt)iCurrentCamera );
- }
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C void TMusEngCameraHandler::PlayL()
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::PlayL()" )
-
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
-
- if ( !camera->IsEnabled() )
- {
- camera->EnableL();
- }
- else
- {
- MUS_LOG( "mus: [ENGINE] Camera already enabled, ignore request" )
- }
-
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::PlayL()" )
- }
-
-
-// -----------------------------------------------------------------------------
-// Disable camera if not already disabled
-// -----------------------------------------------------------------------------
-//
-EXPORT_C void TMusEngCameraHandler::PauseL()
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::PauseL()" )
-
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
-
- if ( camera->IsEnabled() )
- {
- camera->DisableL();
- }
- else
- {
- MUS_LOG( "mus: [ENGINE] Camera already disabled, ignore request" )
- }
-
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::PauseL()" )
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C TBool TMusEngCameraHandler::IsPlayingL()
- {
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- return ( MusEngMceUtils::GetCameraL( *iSession )->IsEnabled() );
- }
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C TInt TMusEngCameraHandler::CamerasAvailableL(
- TCurrentCamera& aCurrentCamera )
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::CamerasAvailableL()" )
- __ASSERT_ALWAYS( iSession != NULL, User::Leave( KErrNotReady ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
- __ASSERT_ALWAYS( camera != NULL, User::Leave( KErrNotReady ) );
- aCurrentCamera = iCurrentCamera;
- TInt camerasAvailable = camera->CamerasAvailable();
-
- if ( camerasAvailable > KOneCameraOnly &&
- iCameraUsage != MusSettingsKeys::EUseCameraSwapping )
- {
- camerasAvailable = KOneCameraOnly;
- }
-
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::CamerasAvailable()" )
- return camerasAvailable;
- }
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C void TMusEngCameraHandler::ChangeCameraL( TCurrentCamera aCurrentCamera )
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::ChangeCameraL()" )
- __ASSERT_ALWAYS( iSession != NULL, User::Leave( KErrNotReady ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
- CMceDisplaySink* display = MusEngMceUtils::GetDisplayL( *iSession );
-
- if ( camera->CamerasAvailable() )
- {
- if ( TMusEngCameraHandler::EFrontCamera == aCurrentCamera &&
- TMusEngCameraHandler::EFrontCamera != iCurrentCamera )
- {
- MUS_LOG( "mus: [ENGINE] Set Front camera" )
- iCurrentCamera = TMusEngCameraHandler::EFrontCamera;
- ChangeActiveCameraL( iCurrentCamera );
- }
- else if ( TMusEngCameraHandler::EBackCamera == aCurrentCamera &&
- TMusEngCameraHandler::EBackCamera != iCurrentCamera )
- {
- MUS_LOG( "mus: [ENGINE] Set Back camera " )
- iCurrentCamera = TMusEngCameraHandler::EBackCamera;
- ChangeActiveCameraL( iCurrentCamera );;
- }
- else if ( TMusEngCameraHandler::ENextCamera == aCurrentCamera )
- {
- if ( iCurrentCamera == TMusEngCameraHandler::EBackCamera )
- {
- iCurrentCamera = TMusEngCameraHandler::EFrontCamera;
- }
- else
- {
- iCurrentCamera = TMusEngCameraHandler::EBackCamera;
- }
- ChangeActiveCameraL( iCurrentCamera );
- }
- }
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::ChangeCameraL()" )
- }
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C TInt TMusEngCameraHandler::CurrentZoomL() const
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::CurrentZoomL()" )
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
-
- TInt currentZoom = camera->ZoomFactorL() + camera->DigitalZoomFactorL();
-
- MUS_LOG1( "mus: [ENGINE] <- TMusEngCameraHandler::CurrentZoomL( %d )",
- currentZoom )
-
- return currentZoom;
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C void TMusEngCameraHandler::SetZoomL( TInt aNewZoomFactor )
- {
- MUS_LOG1( "mus: [ENGINE] -> TMusEngCameraHandler::SetZoomL( %d )",
- aNewZoomFactor )
-
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
- __ASSERT_ALWAYS( aNewZoomFactor <= MaxZoomL() &&
- aNewZoomFactor >= MinZoomL(),
- User::Leave( KErrArgument ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
-
- if ( aNewZoomFactor <= iCameraInfo.iMaxZoom )
- {
- MUS_LOG( "mus: [ENGINE] Optical zoom factor increased" )
- camera->SetZoomFactorL( aNewZoomFactor );
- }
-
- if ( aNewZoomFactor - iCameraInfo.iMaxZoom > 0 )
- {
- camera->SetDigitalZoomFactorL( aNewZoomFactor - iCameraInfo.iMaxZoom );
- MUS_LOG1( "mus: [ENGINE] Digital zoom factor increased to %d",
- aNewZoomFactor - iCameraInfo.iMaxZoom )
- }
-
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::SetZoomL()" )
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C TInt TMusEngCameraHandler::MinZoomL() const
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::MinZoomL()" )
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- // Although we do not need camera for return value, we have to have it in
- // order to have proper iCameraInfo
- MusEngMceUtils::GetCameraL( *iSession );
-
- MUS_LOG1( "mus: [ENGINE] <- TMusEngCameraHandler::MinZoomL( %d )",
- iCameraInfo.iMinZoom )
-
- return iCameraInfo.iMinZoom;
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C TInt TMusEngCameraHandler::MaxZoomL() const
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::MaxZoomL()" )
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- // Although we do not need camera for return value, we have to have it in
- // order to have proper iCameraInfo
- MusEngMceUtils::GetCameraL( *iSession );
-
- TInt maxZoom = iCameraInfo.iMaxZoom + iCameraInfo.iMaxDigitalZoom;
-
- MUS_LOG1( "mus: [ENGINE] Max optical zoom( %d )",
- iCameraInfo.iMaxZoom )
- MUS_LOG1( "mus: [ENGINE] Max digital zoom( %d )",
- iCameraInfo.iMaxDigitalZoom )
- MUS_LOG1( "mus: [ENGINE] <- TMusEngCameraHandler::MaxZoomL( %d )",
- maxZoom )
-
- return maxZoom;
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C void TMusEngCameraHandler::ZoomInL()
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::ZoomInL()" )
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
-
- // First try to increase optical zoom factor. If in maximum value, try to
- // increase digital zoom factor.
- TInt stepSize = ZoomStepSize( iZoomInTime );
- TInt zoomFactor = camera->ZoomFactorL();
- TInt zoomDigitalFactor = camera->DigitalZoomFactorL();
-
- //increate optical zoom factor
- if ( zoomFactor + stepSize <= iCameraInfo.iMaxZoom )
- {
- //optical zoom factor is enough
- camera->SetZoomFactorL( zoomFactor + stepSize );
- stepSize = 0;
- }
- else if (zoomFactor < iCameraInfo.iMaxZoom)
- {
- stepSize -= iCameraInfo.iMaxZoom - zoomFactor;
- camera->SetZoomFactorL( iCameraInfo.iMaxZoom );
- }
-
- //increate digital zoom factor
- if (stepSize > 0)
- {
- if ( zoomDigitalFactor + stepSize <= iCameraInfo.iMaxDigitalZoom )
- {
- camera->SetDigitalZoomFactorL( zoomDigitalFactor + stepSize );
- }
- else
- {
- camera->SetDigitalZoomFactorL( iCameraInfo.iMaxDigitalZoom );
- MUS_LOG( "mus: [ENGINE] TMusEngCameraHandler::ZoomInL(): Optical \
- and digital zoom factors are in maximum value" )
- }
- }
-
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::ZoomInL()" )
-
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C void TMusEngCameraHandler::ZoomOutL()
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::ZoomOutL()" )
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
-
- // First try to decrease digital zoom factor. If already zero, try to
- // decrease optical zoom factor.
- TInt stepSize = ZoomStepSize( iZoomOutTime );
- TInt zoomFactor = camera->ZoomFactorL();
- TInt zoomDigitalFactor = camera->DigitalZoomFactorL();
-
- //decreate digital zoom factor firstly
- if ( zoomDigitalFactor - stepSize >= 0 )
- {
- //digital zoom factor is enough
- camera->SetDigitalZoomFactorL( zoomDigitalFactor - stepSize );
- stepSize = 0;
- }
- else if ( zoomDigitalFactor > 0 )
- {
- stepSize -= zoomDigitalFactor;
- camera->SetDigitalZoomFactorL( 0 );
- MUS_LOG("mus: [ENGINE] Digigal Factor to zero")
- }
-
- //decreate optical zoom factor firstly
- if ( stepSize > 0 )
- {
- if ( zoomFactor - stepSize > iCameraInfo.iMinZoom )
- {
- camera->SetZoomFactorL( zoomFactor - stepSize );
- }
- else
- {
- MUS_LOG( "mus: [ENGINE] TMusEngCameraHandler::ZoomOutL(): Optical and \
- digital zoom factors are in minimum value" )
- camera->SetZoomFactorL( iCameraInfo.iMinZoom );
- }
- }
-
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::ZoomOutL()" )
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C void TMusEngCameraHandler::ZoomDefaultL()
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::ZoomDefaultL()" )
-
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
-
- camera->SetZoomFactorL( iDefaultZoomFactor );
- camera->SetDigitalZoomFactorL( 0 );
-
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::ZoomDefaultL()" )
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C void TMusEngCameraHandler::SetBrightnessL( TInt aBrightness ) const
- {
- MUS_LOG1( "mus: [ENGINE] -> TMusEngCameraHandler::SetBrightnessL( %d )",
- aBrightness )
-
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
- camera->SetBrightnessL( aBrightness );
-
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::SetBrightnessL()" )
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C TInt TMusEngCameraHandler::CurrentBrightnessL() const
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::CurrentBrightnessL()" )
-
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
- TInt currentBrightness = camera->BrightnessL();
-
- MUS_LOG1( "mus: [ENGINE] <- TMusEngCameraHandler::CurrentBrightnessL(): %d",
- currentBrightness )
-
- return currentBrightness;
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C TInt TMusEngCameraHandler::MaxBrightnessL() const
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::MaxBrightnessL()" )
-
- // maximum brightness is not in camera info, but a constant 100
-
- MUS_LOG1( "mus: [ENGINE] <- TMusEngCameraHandler::MaxBrightnessL(): %d",
- KMaxBrightness )
-
- return KMaxBrightness;
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C TInt TMusEngCameraHandler::MinBrightnessL() const
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::MinBrightnessL()" )
-
- // maximum brightness is not in camera info, but a constant -100
-
- MUS_LOG1( "mus: [ENGINE] <- TMusEngCameraHandler::MinBrightnessL(): %d",
- KMinBrightness )
-
- return KMinBrightness;
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C void TMusEngCameraHandler::IncreaseBrightnessL()
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::IncreaseBrightnessL()" )
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
-
- TInt newBrightness = camera->BrightnessL() + KBrightnessStepSize;
-
- if ( newBrightness < KMaxBrightness )
- {
- camera->SetBrightnessL( newBrightness );
- }
- else
- {
- camera->SetBrightnessL( KMaxBrightness );
- }
-
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::IncreaseBrightnessL()" )
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C void TMusEngCameraHandler::DecreaseBrightnessL()
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::DecreaseBrightnessL()" )
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
-
- TInt newBrightness = camera->BrightnessL() - KBrightnessStepSize;
-
- if ( newBrightness > KMinBrightness )
- {
- camera->SetBrightnessL( newBrightness );
- }
- else
- {
- camera->SetBrightnessL( KMinBrightness );
- }
-
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::DecreaseBrightnessL()" )
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C void TMusEngCameraHandler::BrightnessDefaultL()
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::BrightnessDefaultL()" )
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
-
- camera->SetBrightnessL( iDefaultBrightness );
-
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::BrightnessDefaultL()" )
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-EXPORT_C void TMusEngCameraHandler::BrightnessAutoL()
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::BrightnessAutoL()" )
- __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) );
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
-
- camera->SetBrightnessL( CCamera::EBrightnessAuto );
-
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::BrightnessAutoL()" )
- }
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-void TMusEngCameraHandler::InitializeZoomStepSize()
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::InitializeZoomStepSize()" )
- MUS_LOG2( "iMaxZoom = %d, iMinZoom = %d", iCameraInfo.iMaxZoom, iCameraInfo.iMinZoom);
- MUS_LOG2( "iMaxDigitalZoom = %d, iMaxDigitalZoomFactor = %d",
- iCameraInfo.iMaxDigitalZoom, iCameraInfo.iMaxDigitalZoomFactor);
-
- iBigZoomStep = ( iCameraInfo.iMaxZoom + iCameraInfo.iMaxDigitalZoom -
- iCameraInfo.iMinZoom ) / KZoomBigStepCount;
-
- if ( iBigZoomStep < KZoomStepMinSize )
- iBigZoomStep = KZoomStepMinSize;
-
- iSmallZoomStep = ( iCameraInfo.iMaxZoom + iCameraInfo.iMaxDigitalZoom -
- iCameraInfo.iMinZoom ) / KZoomSmallStepCount;
-
- if ( iSmallZoomStep < KZoomStepMinSize )
- iSmallZoomStep = KZoomStepMinSize;
-
- MUS_LOG2( "mus: [ENGINE] iSmallZoomStep = %d, iBigZoomStep = %d",
- iSmallZoomStep, iBigZoomStep )
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::InitializeZoomStepSize()" )
- }
-
-// -----------------------------------------------------------------------------
-//
-// -----------------------------------------------------------------------------
-//
-void TMusEngCameraHandler::ReadCameraUsageKeyL()
- {
- MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::ReadCameraUsageKeyL()" )
-
- // We try to read camera usage. If we do not succeed, we use default
- iCameraUsage = MusSettingsKeys::EUseCameraSwapping;
- TRAPD( error,
- iCameraUsage = MultimediaSharingSettings::CameraUsageL() )
- __ASSERT_ALWAYS( error == KErrNone || error == KErrNotFound,
- User::Leave( error ) );
-
- MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::ReadCameraUsageKeyL()" )
-
- }
-
-// -----------------------------------------------------------------------------
-// Calculate the zoom step based time escaped
-// -----------------------------------------------------------------------------
-TInt TMusEngCameraHandler::ZoomStepSize( TInt64& aTime )
- {
- TTime now;
- now.HomeTime();
- TInt64 timeNow = now.Int64();
- TInt stepSize = ( ( timeNow - aTime ) <= KZoomFasterTime ) ? iBigZoomStep : iSmallZoomStep;
-
- aTime = now.Int64();
-
- MUS_LOG1( "mus: [ENGINE] stepSize = %d", stepSize );
-
- return stepSize;
- }
-
-// -----------------------------------------------------------------------------
-// Disable camera before it changes it. It enables camera after change.
-// -----------------------------------------------------------------------------
-void TMusEngCameraHandler::ChangeActiveCameraL( TCurrentCamera aNewCamera )
- {
- MUS_LOG( "mus: [ENGINE] -> ChangeActiveCamera()" )
-
- CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession );
- CMceDisplaySink* display = MusEngMceUtils::GetDisplayL( *iSession );
- MUS_LOG( "mus: [ENGINE] Camera enabled ?" )
- if ( camera->IsEnabled() )
- {
- MUS_LOG( "mus: [ENGINE] Is view finder enabled? " )
- if ( display->IsEnabled() )
- {
- MUS_LOG( "mus: [ENGINE] Disable view finder" )
- display->DisableL();
- }
- MUS_LOG( "mus: [ENGINE] Disable camera" )
- camera->DisableL();
- camera->SetCameraIndexL( aNewCamera );
- camera->EnableL();
- display->EnableL();
- }
- else
- {
- if ( display->IsEnabled() )
- {
- MUS_LOG( "mus: [ENGINE] Disable view finder" )
- display->DisableL();
- }
- MUS_LOG( "mus: [ENGINE] set camera index" )
- camera->SetCameraIndexL( aNewCamera );
- MUS_LOG( "mus: [ENGINE] Enable camera" )
- display->EnableL();
- }
-
- MUS_LOG( "mus: [ENGINE] -> fetching new iCameraInfo..." )
- camera->GetCameraInfo( iCameraInfo );
- iDefaultZoomFactor = camera->ZoomFactorL();
- InitializeZoomStepSize();
- }
-