--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/audioeditorengine/codecs/mp3/inc/ProcMP3InFileHandler.h	Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,137 @@
+/*
+* 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 __CPROCMP3INFILEHANDLER_H__
+#define __CPROCMP3INFILEHANDLER_H__
+
+/*-- System Headers. --*/
+#include <e32base.h>
+#include <f32file.h>
+
+/*-- Project Headers. --*/
+#include "AudCommon.h"
+#include "ProcFrameHandler.h"
+#include "ProcInFileHandler.h"
+#include "Logfile.h"
+
+#include "defines.h"
+
+#include "Mp3API.h"
+
+#include "ProcDecoder.h"
+//#include "mpif.h"
+
+
+
+/**
+ * File handler class for accessing MP3 content.
+ *
+ * @author  Juha Ojanperä
+ */
+class CProcMP3InFileHandler: public CProcInFileHandler 
+    {
+public:
+
+    /*
+    * Constructors & destructor
+    */
+
+    static CProcMP3InFileHandler* NewL(const TDesC& aFileName, RFile* aFileHandle,
+                                       CAudClip* aClip, TInt aReadBufferSize,
+                                           TInt aTargetSampleRate = 0, 
+                                           TChannelMode aChannelMode = EAudSingleChannel);
+
+    static CProcMP3InFileHandler* NewLC(const TDesC& aFileName, RFile* aFileHandle,
+                                        CAudClip* aClip, TInt aReadBufferSize,
+                                            TInt aTargetSampleRate = 0, 
+                                            TChannelMode aChannelMode = EAudSingleChannel);
+                                        
+    virtual ~CProcMP3InFileHandler();
+
+
+    // From CProcInFileHandler ----------------->
+    void GetPropertiesL(TAudFileProperties* aProperties);
+    
+    TBool SeekAudioFrame(TInt32 aTime);
+
+    TBool SeekCutInFrame();
+    
+    virtual TBool GetDurationL(TInt32& aTime, TInt& aFrameAmount);
+
+    virtual TBool SetNormalizingGainL(const CProcFrameHandler* aFrameHandler);
+
+    //<-----------------------------------------
+
+
+private:
+    
+    // constructL
+    void ConstructL(const TDesC& aFileName, RFile* aFileHandle, CAudClip* aClip, 
+                    TInt aReadBufferSize, TInt aTargetSampleRate = 0, 
+                    TChannelMode aChannelMode = EAudSingleChannel);
+    
+    // C++ constructor
+    CProcMP3InFileHandler();
+    
+    TBool GetEncAudioFrameL(HBufC8*& aFrame, TInt& aSize, TInt32& aTime);
+
+    // gets one Mp3 frame
+    int16 GetMP3Frame(uint8 *dataBytes, int16 bufSize, TMpFrameState *frState, uint8 syncStatus);
+
+    // gets bitrate
+    int16 GetMP3Bitrate(void);
+    
+    // check that file is valid mp3
+    TBool Validate(TDes8& aDes);
+    
+    // seek for frame sync codes
+    TInt SeekSync(TDes8& aDes, TInt aBufPos);
+    
+    // get info for a single frame
+    TInt FrameInfo(const TUint8* aBuf,TInt aBufLen,TInt& aBitRate);
+    
+    // get ID3 header length
+    TInt ID3HeaderLength(TDes8& aDes, TInt aPosition);
+
+private:
+
+    /*-- MP3 file format handle. --*/
+    TMpTransportHandle *mp3FileFormat;
+
+    /*-- Legal MP3 file? --*/
+    uint8 isValidMP3;
+
+    /*-- Input buffer; start of frame is seached from here. --*/
+    uint8 *mp3HeaderBytes;
+    
+    CLogFile *mp3Log;
+    
+    /*-- Free format flag. --*/
+    uint8 isFreeFormatMP3;
+    
+    
+    // a handle to mp3 editing class in MP3AACManipLib    
+    CMp3Edit* iMp3Edit;
+
+    /*-- VBR bitrate flag; ETrue indicates VBR file, EFalse constant. --*/
+    uint8 isVbrMP3;
+    
+    };
+
+#endif /*-- __CPROCMP3INFILEHANDLER_H__ --*/