--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/audioeditorengine/codecs/mp3/inc/ProcMP3FrameHandler.h	Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,89 @@
+/*
+* 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 __CPROCMP3FRAMEHANDLER_H__
+#define __CPROCMP3FRAMEHANDLER_H__
+
+/*-- System Headers. --*/
+#include <e32base.h>
+
+/*-- Project Headers. --*/
+#include "AudCommon.h"
+#include "ProcFrameHandler.h"
+#include "ProcInFileHandler.h"
+
+#include "MP3API.h"
+
+/**
+ * Frame handler class for accessing MP3 data elements.
+ *
+ * @author  Juha Ojanperä
+ */
+class CProcMP3FrameHandler : public CProcFrameHandler 
+    {
+public:
+
+    
+    /*
+    * Constructors & destructor
+    */
+    static CProcMP3FrameHandler* NewL();
+    static CProcMP3FrameHandler* NewLC();
+
+    ~CProcMP3FrameHandler();
+
+
+    // From base class CProcFrameHandler ---------->
+    TBool ManipulateGainL(const HBufC8* aFrameIn, HBufC8*& aFrameOut, TInt8 aGain);
+    TBool GetGainL(const HBufC8* aFrame, RArray<TInt>& aGains, TInt& aMaxGain) const;
+    TBool GetNormalizingMargin(const HBufC8* aFrame, TInt8& aMargin) const;
+    TBool IsMixingAvailable() const;
+    // <--------------------------------------------
+    
+    
+
+private:
+
+    // ConstructL
+    void ConstructL();
+    
+    // c++ constructor
+    CProcMP3FrameHandler();
+    
+    // internal function for reading MP3 gains
+    TBool GetMP3Gains(const HBufC8* aFrame, RArray<TInt>& aGains, TInt& aMaxGain, TBitStream& aBs) const;
+
+private:
+
+    // a handle to MP3 editing class in MP3AACManipLib
+    CMp3Edit* iMp3Edit;
+    
+    // a flag to indicate whether MP3 decoder is initialized
+    mutable TBool decInitialized;
+    
+    // a handle to CMPAudDec
+    CMPAudDec *iMpAud;
+    TMpTransportHandle *iTHandle;
+    
+
+    friend class CProcMP3InFileHandler;
+
+    };
+
+#endif /*-- __CPROCMP3FRAMEHANDLER_H__ --*/