--- /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