--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/audioeditorengine/inc/ProcVisProcessor.h Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,133 @@
+/*
+* Copyright (c) 2010 Ixonos Plc.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the "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:
+* Ixonos Plc
+*
+* Description:
+*
+*/
+
+
+#ifndef __CPROCVISPROCESSOR_H__
+#define __CPROCVISPROCESSOR_H__
+
+#include <e32base.h>
+#include <e32math.h>
+#include "AudClipInfo.h"
+#include "AudCommon.h"
+#include "AudSong.h"
+#include "ProcInFileHandler.h"
+
+#include "ProcFrameHandler.h"
+
+#include "ProcTools.h"
+
+class CProcVisProcessor : public CBase
+ {
+
+public:
+
+ /*
+ * Symbian constructors
+ */
+
+ static CProcVisProcessor* NewL();
+ static CProcVisProcessor* NewLC();
+
+ ~CProcVisProcessor();
+
+ /**
+ * Performs all initializations needed for a clip visualization
+ *
+ * Can leave with one of the system wide error codes
+ *
+ * Possible panic code
+ * <code>EVisualizationProcessAlreadyRunning</code>
+ *
+ * @param aClip clip to be visualized
+ * @param aSize size of the visualization array (time resolution)
+ *
+ * @return void
+ *
+ */
+ void VisualizeClipL(const CAudClipInfo* aClipInfo, TInt aSize);
+
+ /**
+ * Visualizes one piece of clip
+ *
+ * Possible panic code
+ * <code>EVisualizationProcessNotRunning</code>
+ *
+ * @param aProgress output parameter to indicate progress in percents
+ * @return ETrue if visualization completed, EFalse otherwise
+ *
+ */
+ TBool VisualizeClipPieceL(TInt &aProgress);
+
+ /**
+ * Once visualization process has been completed,
+ * visualization array can be retrieved with this function
+ * NOTE: This function allocates memory and the caller
+ * is responsible for releasing it
+ *
+ * @param aVisualization visualization array
+ * @param aSize size of the visualization array
+ *
+ */
+ void GetFinalVisualizationL(TInt8*& aVisualization, TInt& aSize);
+
+
+private:
+
+ // constructL
+ void ConstructL();
+
+ // C++ constructor
+ CProcVisProcessor();
+
+private:
+
+ // visualization size
+ TInt iVisualizationSize;
+ // array for visualization
+ TInt8* iVisualization;
+ // infilehandler for clip visualized
+ CProcInFileHandler *iInFile;
+
+ // song
+ const CAudSong* iSong;
+
+ // clip that is visualized
+ const CAudClipInfo* iClipInfo;
+
+ // frame handler for getting gain
+ CProcFrameHandler* iFrameHandler;
+
+ // how many percents have been written to visualization array
+ TInt iVisualizationWritten;
+
+ // how many percents have been processed
+ TInt iVisualizationProcessed;
+
+ // the number of frames altogether
+ TInt iFrameAmount;
+
+ // how many frames have been processed
+ TInt iFramesProcessed;
+
+ // current frame being processed
+ TInt iVisualizationPos;
+
+ };
+
+
+#endif