--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/videofeeds/utils/inc/CIptvThumbnailImpl.h Mon Jan 18 20:21:12 2010 +0200
@@ -0,0 +1,193 @@
+/*
+* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: Thumbnail generation implementation*
+*/
+
+
+
+
+#ifndef CIPTVTHUMBNAILIMPL_H
+#define CIPTVTHUMBNAILIMPL_H
+
+#include <TNEVideoClipInfo.h>
+#include <f32file.h>
+#include "CIptvThumbnailGenerator.h"
+#include "MIptvRtpTo3gpObserver.h"
+
+class CImageEncoder;
+class CFbsBitmap;
+class CIptvRtpTo3gpConverter;
+
+/**
+ * Thumbnail generation implementation using VideoEditorEngine
+ * or S60 Thumbnail Engine.
+ *
+ * @lib IptvUtil.lib
+ * @since Video Center 1.0
+ */
+class CIptvThumbnailImpl : public CIptvThumbnailGenerator,
+ public MIptvRtpTo3gpObserver,
+ public MTNEVideoClipInfoObserver,
+ public MTNEVideoClipThumbObserver
+ {
+public:
+
+ /**
+ * Two-phased constructor.
+ *
+ * @param aObserver
+ * @param aPriority
+ */
+ static CIptvThumbnailImpl* NewLC( MIptvThumbnailObserver& aObserver, TInt aPriority );
+
+ /**
+ * Destructor.
+ */
+ virtual ~CIptvThumbnailImpl();
+
+ /**
+ * Request thumbnail generation.
+ *
+ * @param aClipFilename
+ * @param aThumbFilename
+ * @param aResolution
+ */
+ void GenerateThumbnailL( const TDesC& aClipFilename, const TDesC& aThumbFilename, const TSize aResolution );
+
+ /**
+ * Cancel ongoing thumbnail generation.
+ */
+ void CancelThumbnail();
+
+private:
+
+ /**
+ * Default C++ construct
+ *
+ * @param aObserver
+ * @param aPriority
+ */
+ CIptvThumbnailImpl( MIptvThumbnailObserver& aObserver, TInt aPriority );
+
+ /**
+ * 2nd phase constructor
+ */
+ void ConstructL();
+
+ /**
+ * from MIptvRtpTo3gpObserver
+ *
+ * @param aConverter
+ * @param aError
+ */
+ void RtpTo3gpConversionReady( CIptvRtpTo3gpConverter& aConverter, TInt aError );
+
+ /**
+ * From MTNEVideoClipInfoObserver
+ *
+ * @param aInfo
+ * @param aError
+ */
+ void NotifyVideoClipInfoReady( CTNEVideoClipInfo& aInfo, TInt aError );
+
+ /**
+ * From MTNEVideoClipThumbObserver
+ *
+ * @param aInfo
+ * @param aError
+ * @param aThumbBitmap
+ */
+ void NotifyVideoClipThumbCompleted( CTNEVideoClipInfo& aInfo, TInt aError, CFbsBitmap* aThumbBitmap );
+
+ /**
+ * From CActive, image encoding is ready
+ */
+ void RunL();
+
+ /**
+ * From CActive, cancel image encoding
+ */
+ void DoCancel();
+
+ /**
+ * Cleanup results from previous generations
+ */
+ void DoCleanup();
+
+ /**
+ * Start actual thumbnail generation
+ *
+ * @param aClipFilename
+ */
+ void DoStartThumbnailL( const TDesC& aClipFilename );
+
+private:
+
+ /**
+ * Observer for generation completed notifications.
+ */
+ MIptvThumbnailObserver& iObserver;
+
+ /**
+ * Priority for actual thumbnail generation.
+ */
+ TInt iPriority;
+
+ /**
+ * File system handle.
+ */
+ RFs iFs;
+
+ /**
+ * Cache for thumbnail filename.
+ * Own.
+ */
+ HBufC* iThumbFilename;
+
+ /**
+ * Cache for thumbnail resolution.
+ */
+ TSize iResolution;
+
+ /**
+ * Memory bitmap to .jpg image encoder.
+ * Own.
+ */
+ CImageEncoder* iImageEncoder;
+
+ /**
+ * Memory bitmap.
+ * Own.
+ */
+ CFbsBitmap* iThumbBitmap;
+
+ /**
+ * .rtp to .3gp file converter.
+ * Own.
+ */
+ CIptvRtpTo3gpConverter* iRtpConverter;
+
+ /**
+ * File name for temporary .3gp clip used in .rtp generation.
+ */
+ TFileName iTempClipFilename;
+
+ /**
+ * Cache for clip info (underlying generator)
+ * Own.
+ */
+ CTNEVideoClipInfo* iClipInfo;
+ };
+
+#endif // CIPTVTHUMBNAILIMPL_H