--- a/vtprotocolplugins/VideoSource/inc/CApiVideoSource.h Tue Jan 26 12:01:21 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,922 +0,0 @@
-/*
-* 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: Video Source subsystem.
-*
-*/
-
-
-#ifndef CAPIVIDEOSOURCE_H
-#define CAPIVIDEOSOURCE_H
-
-// INCLUDE FILES
-#include <e32base.h>
-#include <ecam.h>
-#include <mmfutilities.h>
-#include <mmfdatasource.h>
-#include <mvtprotocolhandler.h>
-#include <ecamimageprocessing.h>
-
-// FORWARD DECLARATIONS
-
-class MVSControllerObserver;
-class MVSDataSourceObserver;
-class MVSDataProviderObserver;
-class CVSDataSource;
-class CVSDataProvider;
-class TVSDataProviderInfo;
-class CVSDataSourceImp;
-class CProviderErrorNotifierAO;
-
-class MFrameBuffer;
-class RWsSession;
-class CWsScreenDevice;
-class RWindowBase;
-class CFbsBitmap;
-class MDataSink;
-class MDataSource;
-class MAsyncEventHandler;
-class TMMFPrioritySettings;
-class TMMFMessage;
-class CDesC8Array;
-class CVSMMFDataBuffer;
-
-// Camera lost during VT error
-const TInt KVsErrCameraNoLongerReserved = 666;
-// CLASS DECLARATION
-
-/**
-* Initialization settings class for still image provider.
-*
-* @lib videosource.lib
-*/
-class TVSStillImageDataProviderParams
- {
- public:
- /**
- * Enumeration that defines different initialization
- * types.
- */
- enum TInitialize
- {
- /** Created as blank image */
- EInitializeAsBlankImage,
- /** Image will be load from General Settings */
- EInitializeFromGeneralSettings,
- /** Image will be from file */
- EInitializeFromFile,
- /** Imge will be load from phone server */
- EInitializeAsDefaultStillImage
- };
-
- public:
- /**
- * Constructor, set iInitialize to EInitializeAsBlankImage. iFileName
- * is initialized as an empty descriptor.
- */
- inline TVSStillImageDataProviderParams();
-
- /**
- * Constructor. iFileName is initialized as an empty descriptor.
- * @param aInitialize Defines how provider must be initialized.
- */
- inline TVSStillImageDataProviderParams( const TInitialize aInitialize );
-
- /**
- * Constructor. iInitialize is set to EInitializeFromFile.
- * @param aFileName Name of the file from which this instance will
- * be initialized.
- */
- inline TVSStillImageDataProviderParams( const TFileName& aFileName );
-
- public:
- // Initialization type
- TInitialize iInitialize;
-
- // Filename for EInitializeFromFile
- TFileName iFileName;
- };
-
-typedef TPckgBuf< TVSStillImageDataProviderParams > TVSStillImageDataProviderParamsBuf;
-
-/**
-* An interface to access free MMF buffers.
-*
-* @lib videosource.lib
-*/
-class MVSBufferPool
- {
- public:
-
- /**
- * Pure virtual function to get next free buffer from free buffer pool.
- * @param "aRemove" Boolean flag. If ETrue buffer will be removed from
- * the pool.
- * @exception Can leave with one of the system wide error codes.
- * @return Returns pointer to next available buffer in free buffers
- * queue or NULL if no buffers in queue are available.
- */
- virtual CVSMMFDataBuffer* GetBufferL( TBool aRemove ) = 0;
-
- /**
- * Frees buffer that was previously got using GetBufferL().
- * @param "aBuffer" Buffer to be freed.
- * @exception Can leave with one of the system wide error codes.
- */
- virtual void FreeBufferL( CVSMMFDataBuffer* aBuffer ) = 0;
- };
-
-/**
-* An interface to a controller callback functions.
-*
-* @lib videosource.lib
-*/
-class MVSControllerObserver
- {
- public:
-
- /**
- * Called when provider count has been changed.
- * @param "aAttached" ETrue if provider attached, else EFalse.
- */
- virtual void vsProvidersChanged( TBool aAttached ) = 0;
- };
-
-/**
-* Controller interface.
-*
-* @lib videosource.lib
-*/
-class CVSController : public CBase
- {
- public: // Constructor and destructor
-
- /**
- * Static factory function to create instance of this class.
- * @param "aObserver" Pointer to controller observer.
- * @exception Can leave with one of the system wide error codes.
- * @return Pointer to new instance.
- */
- IMPORT_C static CVSController* NewL( MVSControllerObserver* aObserver );
-
- /**
- * Pure virtual function to create data source instance.
- * @param "aObserver" Pointer to data source observer.
- * @exception Can leave with one of the system wide error codes.
- * @return Pointer to new data source instance.
- */
- virtual CVSDataSource* CreateDataSourceL(
- MVSDataSourceObserver* aObserver ) = 0;
-
- public: // New functions
-
- /**
- * Pure virtual function to return provider count and provider index.
- * @return Number of providers available. Count also acts as zero based
- * provider index.
- */
- virtual TInt ProvidersAvailable() = 0;
-
- /**
- * Pure virtual function to return provider information.
- * @param "aProviderIndex" Index of the provider to return information
- * for.
- * @param "aInfo" Reference to the variable where the provider
- * information is copied.
- * @exception Can leave with one of the system wide error codes.
- */
- virtual void ProviderInfoL(
- TInt aProviderIndex,
- TVSDataProviderInfo& aInfo ) = 0;
-
- /**
- * Pure virtual function to create provider instance.
- * @param "aProviderIndex" Index of the provider to be created.
- * @param "aObserver" Pointer to provider observer.
- * @param "aPool" Pointer to data MVSBufferPool that gives buffer to
- * data provider.
- * @exception Can leave with one of the system wide error codes.
- * @return Pointer to new provider instance.
- */
- virtual CVSDataProvider* CreateDataProviderL(
- TInt aProviderIndex,
- MVSDataProviderObserver* aObserver,
- MVSBufferPool* aPool ) = 0;
-
- public: // Constructor and destructor
-
- public: // Functions from base classes
-
- protected: // New functions
-
- /**
- * C++ default constructor.
- */
- CVSController();
-
- /**
- * Inliner to return reference to the controller observer.
- * @return Reference to the controller observer.
- */
- inline MVSControllerObserver& Observer() const;
-
- protected: // Constructor and destructor
-
- /**
- * 2nd phase constructor.
- * @param "aObserver" Pointer to controller observer
- * @exception Can leave with one of the system wide error codes.
- */
- virtual void ConstructL( MVSControllerObserver* aObserver ) = 0;
-
- protected: // Functions from base classes
-
- public: // Data
-
- protected: // Data
-
- // Pointer to controller observer
- MVSControllerObserver* iObserver;
-
- private: // Data
-
- };
-
-/**
-* An interface to a provider callback functions.
-*
-* @lib videosource.lib
-*/
-class MVSDataProviderObserver
- {
- public:
-
- /**
- * Called when an error occurred in provider.
- * @param "aError" of the system wide error codes.
- */
- virtual void vsProviderError( TInt aError ) = 0;
-
- /**
- * Called when provider is initalized.
- */
- virtual void vsProviderReady() = 0;
-
- /**
- * Called when provider has view finder bitmap ready.
- * @param "aFrame" Reference to the view finder bitmap.
- */
- virtual void vsViewFinderFrameReady( CFbsBitmap& aFrame ) = 0;
- };
-
-/**
-* Extension to standard ECam TCameraInfo class.
-*
-* @lib videosource.lib
-*/
-class TVSDataProviderInfo : public TCameraInfo
- {
- public: // Data
-
- // ETrue if the Freeze() is supported.
- TBool iFreezeSupported;
-
- // Pointer to extension information.
- TAny* iExtension;
-
- // A bitfield of suported colortones
- TUint32 iSupportedColorTones;
- };
-
-/**
-* Provider interface.
-*
-* @lib videosource.lib
-*/
-class CVSDataProvider : public CBase
- {
- public: // Constructor and destructor
-
- /**
- * Static factory function to create instance of this class.
- * @param "aProviderIndex" Index of the provider to be created.
- * @param "aObserver" Pointer to data provider observer.
- * @param "aPool" Pointer to data MVSBufferPool that gives buffer to
- * data provider.
- * @exception Can leave with one of the system wide error codes.
- * @return Pointer to new instance.
- */
- static CVSDataProvider* NewL(
- TInt aProviderIndex,
- MVSDataProviderObserver* aObserver,
- MVSBufferPool* aPool );
-
- /**
- * Destructor.
- */
- ~CVSDataProvider();
-
- public: // New functions
-
- /**
- * Static function get provider count and provider index.
- * @return Number of providers available. Count also acts as zero based
- * provider index.
- */
- static TInt ProvidersAvailable();
-
- /**
- * Static function to return provider information.
- * @param "aProviderIndex" Index of the provider to return information
- * for.
- * @param "aInfo" Reference to the variable to where the provider
- * information is copied.
- * @exception Can leave with one of the system wide error codes.
- */
- static void ProviderInfoL(
- TInt aProviderIndex,
- TVSDataProviderInfo& aInfo );
-
- /**
- * Pure virtual function to initialize provider.
- * @param "aInitParams" Reference to the initialization parameters.
- * @exception Can leave with one of the system wide error codes.
- */
- virtual void InitializeL( const TDesC8& aInitParams ) = 0;
-
- /**
- * Pure virtual function to cancel initialization of provider.
- */
- virtual void CancelInitializing() = 0;
-
- /**
- * Pure virtual function to return digital zoom factor.
- * @return Digital zoom factor.
- */
- virtual TInt DigitalZoomFactor() const = 0;
-
- /**
- * Pure virtual function to set digital zoom factor.
- * @param "aDigitalZoomFactor" Digital zoom factor.
- * @exception Can leave with one of the system wide error codes.
- */
- virtual void SetDigitalZoomFactorL( TInt aDigitalZoomFactor = 0 ) = 0;
-
- /**
- * Pure virtual function to start view finder bitmaps.
- * @param "aSize" Size of the returned view finder bitmap.
- * @exception Can leave with one of the system wide error codes.
- */
- virtual void StartViewFinderBitmapsL( TSize& aSize ) = 0;
-
- /**
- * Pure virtual function to start view finder bitmaps.
- * @param "aSize" Size of the returned view finder bitmap.
- * @param "aClipRect" Required clip rectangle.
- * @exception Can leave with one of the system wide error codes.
- */
- virtual void StartViewFinderBitmapsL(
- TSize& aSize,
- TRect& aClipRect ) = 0;
-
- /**
- * Pure virtual function to start view finder bitmaps using direct
- * screen access.
- * @param "aWs" Window server session.
- * @param "aScreenDevice" Screen device.
- * @param "aWindow" Displayable window.
- * @param "aScreenRect" Portion of the screen to which view finder data
- * is to be transferred.
- * @exception Can leave with one of the system wide error codes.
- */
- virtual void StartViewFinderDirectL(
- RWsSession& aWs,
- CWsScreenDevice& aScreenDevice,
- RWindowBase& aWindow,
- TRect& aScreenRect ) = 0;
-
- /**
- * Pure virtual function to start view finder bitmaps using direct
- * screen access.
- * @param "aWs" Window server session.
- * @param "aScreenDevice" Screen device.
- * @param "aWindow" Displayable window.
- * @param "aScreenRect" Portion of the screen to which view finder data
- * is to be transferred.
- * @param "aClipRect" The rectangle to which the screen will be clipped.
- * @exception Can leave with one of the system wide error codes.
- */
- virtual void StartViewFinderDirectL(
- RWsSession& aWs,
- CWsScreenDevice& aScreenDevice,
- RWindowBase& aWindow,
- TRect& aScreenRect,
- TRect& aClipRect ) = 0;
-
- /**
- * Pure virtual function to test if view finder is active.
- * @return ETrue if view finder active.
- */
- virtual TBool ViewFinderActive() const = 0;
-
- /**
- * Pure virtual function to stop view finder bitmaps.
- */
- virtual void StopViewFinder() = 0;
-
- /**
- * Pure virtual function to return provider information.
- * @param "aInfo" Reference to the variable to where the provider
- * information is copied.
- */
- virtual void ProviderInfo( TVSDataProviderInfo& aInfo ) = 0;
-
- /**
- * Used to switch between what the camera sees and what you would see
- * if the device were a mirror.
- * @param "aMirror" ETrue to set mirroring on, EFalse to set mirroring off.
- * @exception May leave with KErrNotSupported.
- */
- virtual void SetViewFinderMirrorL( TBool aMirror ) = 0;
-
- /**
- * Gets whether view finder mirroring is active.
- * @return ETrue if mirroring is set, EFalse if mirroring is not set.
- */
- virtual TBool ViewFinderMirror() const = 0;
-
- /**
- * Freezes video (i.e. starts sending the last frame until provider is
- * unfrozen).
- * @exception May leave with KErrNotSupported if freezing is not supported
- * by the provider.
- */
- virtual void FreezeL() = 0;
-
- /**
- * Unfreezes video (i.e. starts sending actual frames).
- * @exception May leave with KErrNotSupported if freezing
- * is not supported
- * by the provider.
- */
- virtual void UnfreezeL()= 0;
-
- /**
- * Gets whether freeze is active.
- * @return ETrue if video is frozen, EFalse otherwise.
- */
- virtual TBool IsFrozen() const = 0;
-
- /**
- * Sets the contrast adjustment of the device.
- * This must be in the range of -100 to +100 or EContrastAuto.
- * May leave with KErrNotSupported if the specified contrast value
- * is out of range.
- * @since S60 v3.2
- * @param aContrast
- */
- virtual void SetContrastL( TInt aContrast ) = 0;
-
- /**
- * Gets the currently set contrast value.
- * @since S60 v3.2
- * @param aContrast The currently set contrast value.
- * @return indication if method succeed or not.
- */
- virtual TInt GetContrast( TInt& aContrast ) const = 0;
-
- /**
- * Sets the brightness adjustment of the device.
- * This must be in the range of -100 to +100 or EBrightnessAuto.
- * May leave with KErrNotSupported if the brightness adjustment
- * is out of range.
- * @since S60 v3.2
- * @param aBrightness The required brightness adjustment.
- */
- virtual void SetBrightnessL( TInt aBrightness ) = 0;
-
- /**
- * Gets the currently set brightness adjustment value.
- * @since S60 v3.2
- * @param aBrightness The currently set brightness adjustment value.
- * @return indication if method succeed or not.
- */
- virtual TInt GetBrightness( TInt& aBrightness ) const = 0;
-
- /**
- * Sets the white balance adjustment of the device.
- * No effect if this is not supported, see
- * TCameraInfo::iWhiteBalanceModesSupported.
- * @since S60 v3.2
- * @param aWhiteBalance The required white balance adjustment.
- * @leave KErrNotSupported if the specified white balance adjustment
- * is invalid.
- */
- virtual void SetWhiteBalanceL(
- CCamera::TWhiteBalance aWhiteBalance = CCamera::EWBAuto) = 0;
-
- /**
- * Gets the currently set white balance adjustment value.
- * @since S60 v3.2
- * @param aWhiteBalance The currently set white balance adjustment value.
- * @return indication if method succeed or not.
- */
- virtual TInt GetWhiteBalance(
- CCamera::TWhiteBalance& aWhiteBalance ) const = 0;
-
- /**
- * Gives the current color tone setting value
- * @since S60 v3.2
- * @param aColorTone The currently set color tone adjustment value.
- * @return indication if method succeed or not.
- */
- virtual TInt GetColorTone(
- CCamera::CCameraImageProcessing::TEffect& aColorTone ) const = 0;
-
- /**
- * Sets color tone
- * @since S60 v3.2
- * @param aValue new color tone
- */
- virtual void SetColorToneL(
- CCamera::CCameraImageProcessing::TEffect aValue ) = 0;
-
- public: // Functions from base classes
-
- protected: // New functions
-
- protected: // Functions from base classes
-
- private: // New functions
-
- /**
- * See MDataSource for description.
- */
- virtual void FillBufferL(
- CMMFBuffer* aBuffer,
- MVTVideoSink* aConsumer,
- TMediaId aMediaId ) = 0;
-
- /**
- * See MDataSource for description.
- */
- virtual TInt SourceThreadLogon( MAsyncEventHandler& aEventHandler ) = 0;
-
- /**
- * See MDataSource for description.
- */
- virtual void SourceThreadLogoff() = 0;
-
- /**
- * See MDataSource for description.
- */
- virtual void SourcePrimeL() = 0;
-
- /**
- * See MDataSource for description.
- */
- virtual void SourcePlayL() = 0;
-
- /**
- * See MDataSource for description.
- */
- virtual void SourcePauseL() = 0;
-
- /**
- * See MDataSource for description.
- */
- virtual void SourceStopL() = 0;
-
- private: // New functions
-
- /**
- * See MVTVideoInput for description.
- */
- virtual void SetFormatL( const TDesC8& aFormat ) = 0;
-
- /**
- * See MVTVideoInput for description.
- */
- virtual void SetFrameRateL( TReal32 aFrameRate ) = 0;
-
- /**
- * See MVTVideoInput for description.
- */
- virtual void SetVideoFrameSizeL( const TSize& aSize ) = 0;
-
- /**
- * See MVTVideoInput for description.
- */
- virtual void GetVideoFrameSizeL( TSize& aSize ) const = 0;
-
- private: // Functions from base classes
-
- protected: // New functions
-
- /**
- * This version of prime method will be called when a provider
- * is being switched.
- * @exception Can leave with one of the system wide error codes.
- */
- virtual void PrimeL() = 0;
-
- /**
- * Inliner to test if FillBufferL call is active.
- * @return ETrue if FillBufferL call is ongoing, else EFalse.
- */
- inline TBool FillBufferActive() const;
-
- /**
- * Inliner to return the sink that will empty the buffer.
- * @return Pointer to sink.
- */
- inline MVTVideoSink* Consumer() const;
-
- /**
- * Inliner to return sink media ID that is used.
- * @return Media ID identifiyng the stream that is used.
- */
- inline TMediaId MediaId() const;
-
- /**
- * Inliner to return reference to the provider observer.
- * @return Reference to the provider observer.
- */
- inline MVSDataProviderObserver& Observer() const;
-
- /**
- * Saves input parameters given in FillBufferL call.
- * @param "aConsumer" Pointer to sink that will empty the filled buffer.
- * @param "aMediaId" Media ID for source/provider stream that is used.
- */
- virtual void SetFillBufferParams(
- MVTVideoSink* aConsumer,
- TMediaId aMediaId );
-
- /**
- * Notify observer about provider error.
- * @param "aError" Error code
- */
- void NotifyError( TInt aError );
-
- /**
- * Inliner to return reference to the buffer pool.
- * @return Reference to the buffer pool.
- */
- inline MVSBufferPool& BufferPool() const;
-
- protected: // Constructor and destructor
-
- /**
- * C++ default constructor.
- */
- CVSDataProvider();
-
- /**
- * Constructor.
- * @param "aObserver" Pointer to provider observer.
- */
- CVSDataProvider(
- MVSDataProviderObserver* aObserver,
- MVSBufferPool* aPool );
-
- /**
- * 2nd phase constructor.
- * @exception Can leave with one of the system wide error codes.
- */
- void ConstructL();
-
- /**
- * Returns microseconds from the first SourcePlayL() call.
- */
- const TTimeIntervalMicroSeconds& TimeToPlay();
-
- /**
- * Resets start time (the time when SourcePlayL() was called).
- * iStartTime is set to TTime::HomeTime().
- */
- void ResetStartTime();
-
- private: // New functions
-
- /**
- *
- */
- static TInt CamerasAvailable();
-
- /**
- * Sets timestamp for first SourcePlayL() call. This method
- * is called by the CVSDataSource when data provider is switched.
- */
- void SwitchFrom( const CVSDataProvider& anOldProvider );
-
- /**
- * Enumerate all providers and create a set of formats that is supported
- * by all of them.
- */
- static void EnumerateVideoFrameFormatsL(
- CDesC8Array* aSupportedFormats );
-
- /**
- * Enumerate all providers and create a set of video frame sizes that
- * is supported by all of them.
- */
- static void EnumerateVideoFrameSizesL(
- RArray<TSize>& aSupportedSizes,
- const TDesC8& aFormat );
-
- /**
- * Enumerate all providers and create a set of video frame rates that
- * is supported by all of them.
- */
- static void EnumerateVideoFrameRatesL(
- RArray<TReal32>& aSupportedRates,
- const TDesC8& aFormat,
- const TSize& aSize );
-
- protected: // New functions
-
- /**
- * Get video frame size. Implemented in each provider.
- */
- virtual void GetVideoFrameSize(
- TSize& aSize,
- TInt aSizeIndex,
- const TDesC8& aFormat ) = 0;
-
- /**
- * Get video frame rate. Implemented in each provider.
- */
- virtual void GetVideoFrameRate(
- TReal32& aRate,
- TInt aRateIndex,
- const TDesC8& aFormat,
- const TSize& aSize ) = 0;
-
- public: // Data
-
- protected: // Data
-
- // Boolean that is ETrue when FillBufferL call is active.
- TBool iFillBufferActive;
-
- // Sink that empties the buffer filled with video frame. Not owned.
- MVTVideoSink* iConsumer;
-
- // Provider's media ID identifying media stream used.
- TMediaId iMediaId;
-
- private: // Data
-
- // Pointer to provider observer.
- MVSDataProviderObserver* iObserver;
-
- // Pointer to AO that reports provider errors to provider observer,
- // used through NotifyError call.
- CProviderErrorNotifierAO* iErrorNotifier;
-
- // Pointer to buffer pool
- MVSBufferPool* iPool;
-
- // Previous TimeToPlay interval
- TTimeIntervalMicroSeconds iPreviousTimeToPlay;
-
- // Start time (time when SourcePlayL() was called)
- TTime iStartTime;
-
- private: // Data
-
- // Source is friend because it's MDataSource and MVTVideoInput derived
- // calls are forwarded to provider.
- friend class CVSDataSource;
-
- // Source is friend because it's MDataSource and MVTVideoInput derived
- // calls are forwarded to provider.
- friend class CVSDataSourceImp;
- };
-
-/**
-* An interface to a data source callback functions.
-*
-* @lib videosource.lib
-*/
-class MVSDataSourceObserver
- {
- public:
-
- /**
- * Called when provider switch completed.
- * @param "aOldProvider" Pointer provider that was previously active.
- */
- virtual void vsProviderSwitchDone( CVSDataProvider* aOldProvider ) = 0;
- };
-
-/**
-* Data source interface.
-*
-* @lib videosource.lib
-*/
-class CVSDataSource :
- public CBase,
- public MVTVideoSource,
- public MVSBufferPool
- {
- public: // Constructor and destructor
-
- /**
- * Static factory function to create data source instance.
- * @param "aObserver" Pointer to data source observer.
- * @exception Can leave with one of the system wide error codes.
- * @return Pointer to data source instance.
- */
- static CVSDataSource* NewSourceL( MVSDataSourceObserver* aObserver );
-
- public: // New functions
-
- /**
- * Pure virtual function to switch active provider for source.
- * @param "aNewProvider" Pointer to provider instance.
- * @exception Can leave with one of the system wide error codes.
- */
- virtual void SwitchDataProviderL( CVSDataProvider* aNewProvider ) = 0;
-
- /**
- * Temporarily pause video sending. Used during initialization.
- */
- virtual void PauseSending() = 0;
-
- /**
- * Resume video sending. Used during initialization.
- */
- virtual void ResumeSending() = 0;
-
- public: // Functions from base classes
-
- protected: // New functions
-
- /**
- * Inliner to return reference to the data source observer.
- * @return Reference to the data source observer.
- */
- inline MVSDataSourceObserver& Observer() const;
-
- /**
- * Inliner to return reference to the provider that is active.
- * @return Reference to the provider.
- */
- inline CVSDataProvider& DataProvider() const;
-
- /**
- * Inliner to update member variable holding pointer to provider with
- * new provider pointer.
- * @param "aNewProvider" Pointer to (new) provider.
- * @return Pointer to (old) provider.
- */
- inline CVSDataProvider* SwitchProvider( CVSDataProvider* aNewProvider );
-
- protected: // Constructor and destructor
-
- /**
- * Constructor.
- */
- CVSDataSource();
-
- private: // Constructor and destructor
-
- /**
- * 2nd phase consturctor.
- * @param "aObserver" Pointer to data source observer.
- * @exception Can leave with one of the system wide error codes.
- */
- void ConstructL( MVSDataSourceObserver* aObserver );
-
- private: // New functions
-
- private: // Functions from base classes
-
- public: // Data
-
- protected: // Data
-
- private: // Data
-
- // Pointer to data source observer.
- MVSDataSourceObserver* iObserver;
-
- // Pointer to active provider.
- CVSDataProvider* iProvider;
- };
-
-#include "capivideosource.inl"
-
-#endif // CAPIVIDEOSOURCE_H