--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/vtprotocolplugins/VideoSource/inc/CVSOnboardCameraDataProvider.h Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,387 @@
+/*
+* 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 CVSONBOARDCAMERADATAPROVIDER_H
+#define CVSONBOARDCAMERADATAPROVIDER_H
+
+// INCLUDE FILES
+
+#include "CVSCameraDataProvider.h"
+
+// CLASS DECLARATION
+
+/**
+* Handles provider error notification using interface to provider callback
+* functions. Provider errors can occur in two threads and this class provides
+* error notification in the same thread context that the provider was created.
+*
+* @lib videosource.lib
+*/
+class CProviderErrorNotifierAO : public CActive
+ {
+ public: // New functions
+
+ public: // Functions from base classes
+
+ protected: // New functions
+
+ protected: // Functions from base classes
+
+ private: // Constructors and destructor
+
+ /**
+ * Static factory function to create instance of this class.
+ * @exception Can leave with one of the system wide error codes.
+ * @return Pointer to new instance.
+ */
+ static CProviderErrorNotifierAO* NewL();
+
+ /**
+ * Destructor.
+ */
+ ~CProviderErrorNotifierAO();
+
+ private: // New functions
+
+ /**
+ * Notify provider observer about error.
+ * @param "aObserver" Pointer to provider observer to notify.
+ * @param "aError" Error code.
+ */
+ void NotifyError( MVSDataProviderObserver* aObserver, TInt aError );
+
+ private: // Constructors and destructor
+
+ /**
+ * Constructor.
+ */
+ CProviderErrorNotifierAO();
+
+ /**
+ * 2nd phase constructor.
+ * @exception Can leave with one of the system wide error codes.
+ */
+ void ConstructL();
+
+ private: // Functions from base classes
+
+ /**
+ * From CActive. See CActive for description.
+ */
+ void DoCancel();
+
+ /**
+ * From CActive. See CActive for description.
+ */
+ void RunL();
+
+ public: // Data
+
+ protected: // Data
+
+ private: // Data
+
+ // Pointer to provider observer that will receive the error
+ // notification.
+ MVSDataProviderObserver* iObserver;
+
+ // Error code.
+ TInt iError;
+
+ // Critical section to synchronize access to this object.
+ RCriticalSection iCS;
+
+ // Thread id of the thread in which this object was created.
+ TThreadId iThreadId;
+
+ private: // Data
+
+ // This class is private to CVSDataProvider.
+ friend class CVSDataProvider;
+ };
+
+/**
+* Makes onboard camera Reserve and PowerOn function calls synchronous.
+*
+* @lib videosource.lib
+*/
+class CSyncCameraReserve : public CActive
+ {
+ public: // Constructors and destructor
+
+ /**
+ * Static factory function to create instance of this class.
+ * @exception Can leave with one of the system wide error codes.
+ * @return Pointer to new instance.
+ */
+ static CSyncCameraReserve* NewL();
+
+ public: // New functions
+
+ /**
+ * Starts waiting and returns when RunL is called.
+ * @exception Can leave with one of the system wide error codes.
+ */
+ void StartL();
+
+ private: // Constructors and destructor
+
+ /**
+ * Constructor.
+ */
+ CSyncCameraReserve();
+
+ private: // Functions from base classes
+
+ /**
+ * From CActive. See CActive for description.
+ */
+ void DoCancel();
+
+ /**
+ * From CActive. See CActive for description.
+ */
+ void RunL();
+
+ private: // Data
+
+ // Active scheduler loop owner. See CActiveSchedulerWait for
+ // description.
+ CActiveSchedulerWait iWait;
+ };
+
+/**
+* Internal implementation of onboard camera data provider. This
+* class is inherited from onboard camera data provider base class.
+*
+* @lib videosource.lib
+*/
+class CVSOnboardCameraDataProvider : public CVSCameraDataProvider
+ {
+ public: // Constructors and destructor
+
+ /**
+ * Constructor.
+ * @param "aObserver" Pointer to provider observer.
+ * @param "aPool" Pointer to data MVSBufferPool that gives buffer to
+ * data provider.
+ */
+ CVSOnboardCameraDataProvider(
+ MVSDataProviderObserver* aObserver,
+ MVSBufferPool* aPool );
+
+ /**
+ * Destructor.
+ */
+ ~CVSOnboardCameraDataProvider();
+
+ public: // New functions
+
+ public: // Functions from base classes
+
+ protected: // New functions
+
+ protected: // Functions from base classes
+
+ private: // New functions
+
+ /**
+ * See CVSDataProvider for description.
+ */
+ void PrimeL();
+
+ private: // Functions from base classes
+
+ /**
+ * See MDataSource for description.
+ */
+ virtual void FillBufferL(
+ CMMFBuffer* aBuffer,
+ MVTVideoSink* aConsumer,
+ TMediaId aMediaId );
+
+ /**
+ * See MDataSource for description.
+ */
+ virtual void BufferEmptiedL( CMMFBuffer* aBuffer );
+
+ /**
+ * See MDataSource for description.
+ */
+ virtual TInt SourceThreadLogon( MAsyncEventHandler& aEventHandler );
+
+ /**
+ * See MDataSource for description.
+ */
+ virtual void SourceThreadLogoff();
+
+ /**
+ * See MDataSource for description.
+ */
+ virtual void SourcePrimeL();
+
+ /**
+ * See MDataSource for description.
+ */
+ virtual void SourcePlayL();
+
+ /**
+ * See MDataSource for description.
+ */
+ virtual void SourcePauseL();
+
+ /**
+ * See MDataSource for description.
+ */
+ virtual void SourceStopL();
+
+ private: // Functions from base classes
+
+ /**
+ * See MVTVideoInput for description.
+ */
+ virtual void SetFormatL( const TDesC8& aFormat );
+
+ /**
+ * See MVTVideoInput for description.
+ */
+ virtual void SetFrameRateL( TReal32 aFrameRate );
+
+ /**
+ * See MVTVideoInput for description.
+ */
+ virtual void SetVideoFrameSizeL( const TSize& aSize );
+
+ /**
+ * See MVTVideoInput for description.
+ */
+ virtual void GetVideoFrameSizeL( TSize& aSize ) const;
+
+ private: // from MCameraObserver
+
+ /**
+ * @see MCameraObserver::ReserveComplete
+ */
+ virtual void ReserveComplete( TInt aError );
+
+ /**
+ * @see MCameraObserver::FrameBufferReady
+ */
+ virtual void FrameBufferReady( MFrameBuffer* aFrameBuffer,
+ TInt aError );
+
+ private: // from MCameraObserver2
+
+ /**
+ * @see MCameraObserver2::HandleEvent
+ */
+ virtual void HandleEvent(const TECAMEvent& aEvent);
+
+ /**
+ * @see MCameraObserver2::ViewFinderReady
+ */
+ virtual void ViewFinderReady(MCameraBuffer& aCameraBuffer,TInt aError);
+
+ /**
+ * @see MCameraObserver2::VideoBufferReady
+ */
+ virtual void VideoBufferReady(MCameraBuffer& aCameraBuffer,TInt aError);
+
+ private: // Functions from base classes
+
+ /**
+ * Get video frame size.
+ */
+ virtual void GetVideoFrameSize(
+ TSize& aSize,
+ TInt aSizeIndex,
+ const TDesC8& aFormat );
+
+ /**
+ * Get video frame rate.
+ */
+ virtual void GetVideoFrameRate(
+ TReal32& aRate,
+ TInt aRateIndex,
+ const TDesC8& aFormat,
+ const TSize& aSize );
+
+ void FreezeFrame( MFrameBuffer* aFrameBuffer );
+
+ void FreezeFrame( MCameraBuffer* aCameraBuffer );
+
+ public: // Data
+
+ protected: // Data
+
+ private: // Data
+
+ // Onboard camera dublicate for the second thread. Owned.
+ CCamera* iCameraDuplicate;
+
+ // MMF controller framwork mixin for event handling
+ MAsyncEventHandler* iEventHandler;
+
+ // Enumerated values for possible states this class can have.
+ enum TState
+ {
+ EStopped,
+ EPrimed,
+ EPlaying
+ };
+
+ // One of the enumerated states.
+ TState iState;
+
+ // ECAM frame rate index.
+ TInt iFrameRateIndex;
+
+ // ECAM frame size index.
+ TInt iFrameSizeIndex;
+
+ // Frame size.
+ TSize iFrameSize;
+
+ // ECAM Video frame format.
+ CCamera::TFormat iFormat;
+
+ // Pointer to AO that makes iCameraDuplicate.Reserve() and PowerOn()
+ // synchronous. Owned. These are called in SourcePrimeL and because
+ // it is synchronous, reserve & poweron must be too.
+ CSyncCameraReserve* iSyncReserve;
+
+ //
+ TBool iAsynchronousReserveIssued;
+
+ // Pointer to dublicated camera bitmap
+ CFbsBitmap* iDublicatedBitmap;
+
+ // Camera lost by force indicator
+ TBool iCameraLost;
+
+ private: // friends
+
+ // Stif test module must be set as friend to be able to call protected
+ // and private methods
+ friend class CstiffVideoSourceAPICases;
+
+ };
+
+#endif // CVSONBOARDCAMERADATAPROVIDER_H
+
+// End of File