diff -r 826cea16efd9 -r 13a33d82ad98 videoutils_plat/dvrengine_api/inc/ipvideo/CRtpFileBase.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videoutils_plat/dvrengine_api/inc/ipvideo/CRtpFileBase.h	Wed Sep 01 12:20:37 2010 +0100
@@ -0,0 +1,320 @@
+/*
+* Copyright (c) 2007 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:    Base methods/variables for RTP file format recording.*
+*/
+
+
+
+
+#ifndef CRTPFILEBASE_H
+#define CRTPFILEBASE_H
+
+// INCLUDES
+#include <ipvideo/CRtpUtil.h>
+#include <f32file.h>
+
+// CONSTANTS
+const TInt KCurrentClipVersion( 3 );
+const TInt KMinValidClipVersion( 2 );
+const TInt KSeekHeaderBytes( 3 * KIntegerBytes );
+const TInt KGroupHeaderBytes( 4 * KIntegerBytes );
+const TInt KPacketsCountBytes( 4 );
+const TInt KNormalRecGroupLength( 2000 ); // 2 s
+const TUint KSeekArrayInterval( 30000 );  // 30 s
+
+// MACROS
+// None
+
+// DATA TYPES
+// None
+
+// FORWARD DECLARATIONS
+// None
+
+// CLASS DECLARATION
+
+/**
+*  RTP format common functionalities.
+*
+*  @lib RtpClipHandler.lib
+*  @since Series 60 3.0
+*/
+class CRtpFileBase : public CActive
+    {
+
+public: // Data types
+
+    // Time shift seek array
+    class STimeShiftSeek 
+        {
+
+    public: // Data
+
+        /**
+        * Group time.
+        */
+        TUint iGroupTime;
+        
+        /**
+        * File seek point.
+        */
+        TInt iSeekpoint;
+
+        /**
+        * File name index.
+        */
+        TInt iNameIndex;
+        
+        };
+
+
+public: // Constructors and destructor
+    
+    /**
+    * Destructor.
+    */
+    virtual ~CRtpFileBase();
+
+protected: // Constructors and destructor
+
+    /**
+    * C++ default constructor.
+    */
+    CRtpFileBase();
+
+    /**
+    * Symbian 2nd phase constructor can leave and is private by default.
+    */
+    void ConstructL();
+    
+protected: // Enumeration
+
+    // Defines RTP file mode
+    enum TRtpFileMode
+        {
+        EModeNone = KErrBadHandle,
+        EModeNormal = KErrNone,
+        EModeHandle,
+        EModeTimeShift
+        };
+
+public: // New functions
+
+    /**
+    * Deletes time shift files.
+    * @since Series 60 3.0
+    * @param aShiftSeek a reference to time shift seek array.
+    * @return None.
+    */
+    void DeleteTimeShiftFiles( RArray<STimeShiftSeek>& aShiftSeek );
+
+protected: // New functions
+
+    /**
+    * Writes RTP seek header to a file.
+    * @since Series 60 3.0
+    * @return None.
+    */
+    void WriteSeekHeaderL();
+
+    /**
+    * Reads clip's seek header from a file.
+    * @since Series 60 3.0
+    * @return None.
+    */
+    void ReadSeekHeaderL();
+
+    /**
+    * Reads clip's group header from a file.
+    * @since Series 60 3.0
+    * @return None.
+    */
+    void ReadGroupHeaderL();
+
+    /**
+    * Updates group header variables from readed data.
+    * @since Series 60 3.0
+    * @param aDataPtr data from which header is updated.
+    * @return None.
+    */
+    void UpdateGroupHeaderVariablesL( const TDesC8& aDataPtr );
+
+    /**
+    * Appends one group to the seek array.
+    * @since Series 60 3.0
+    * @param aTime a TS time of first packet in group.
+    * @param aPoint a seek point in clip for group.
+    * @return None.
+    */
+    void AppendSeekArrayL( const TUint aTime,
+                           const TInt aPoint );
+
+    /**
+    * Saves seek array to the clip.
+    * @since Series 60 3.0
+    * @return None.
+    */
+    void SaveSeekArrayL();
+
+    /**
+    * Reads seek array from the clip.
+    * @since Series 60 3.0
+    * @param aPoint a seek array point in clip.
+    * @return true if items in seek array, otherwise false.
+    */
+    TBool ReadSeekArrayL( const TInt aPoint );
+
+    /**
+    * Resets seek array.
+    * @since Series 60 3.0
+    * @return None.
+    */
+    inline void ResetSeekArray();
+
+    /**
+    * Writes variables to log file.
+    * @since Series 60 3.0
+    * @param aMethod a method which called this
+    */
+    void LogVariables( const TDesC& aMethod );
+
+private: // Functions from base classes
+
+    /**
+    * From CActive : Called when request completion event occurs.
+    * @since Series 60 3.0
+    * @return None.
+    */
+    virtual void RunL() = 0;
+
+    /**
+    * From CActive : Handles a leave occurring in the request
+    *                completion event handler RunL().
+    * @since Series 60 3.0
+    * @param aError the leave code
+    * @return status of run error handling
+    */
+    virtual TInt RunError( TInt aError ) = 0;
+
+    /**
+    * From CActive : Called when request completion event cancelled.
+    * @since Series 60 3.0
+    * @return None.
+    */
+    virtual void DoCancel() = 0;
+
+protected: // Data types
+    
+    // Defines seek struct
+    class SSeek
+        {
+
+    public: // Data
+
+        /**
+        * Enlapsed time.
+        */
+        TUint iTime;
+
+        /**
+        * Point in clip.
+        */
+        TInt iPoint;
+        
+        };
+
+protected: // Data
+    
+    /**
+    * Rtp file usage mode.
+    */
+    TRtpFileMode iMode;
+    
+    /**
+    * Current group.
+    */
+    TInt iThisGroup;
+    
+    /**
+    * Packet group counter (Seek header).
+    */
+    TInt iGroupsTotalCount;
+    
+    /**
+    * First seek address (Seek header).
+    */
+    TInt iFirstSeekAddr;
+    
+    /**
+    * Last seek address (Seek header).
+    */
+    TInt iLastSeekAddr;
+    
+    /**
+    * Group total length (Group header).
+    */
+    TInt iGroupTotalLen;
+    
+    /**
+    * Next group point (Group header).
+    */
+    TInt iNextGroupPoint;
+    
+    /**
+    * Previous group point (Group header).
+    */
+    TInt iPrevGroupPoint;
+    
+    /**
+    * Group time (Group header).
+    */
+    TUint iGroupTime;
+    
+    /**
+    * Seek header point.
+    */
+    TInt iSeekHeaderPoint;
+
+    /**
+    * Current clip path.
+    */
+    HBufC* iCurrentPath;
+    
+    /**
+    * Seek array.
+    */
+    CArrayFix<SSeek>* iSeekArray;
+
+    /**
+    * File data buffer pointer.
+    */
+    TPtr8 iDataPtr;
+    
+    /**
+    * File server.
+    */
+    RFs iFs;
+    
+    /*
+    * File operations.
+    */
+    RFile iFile;
+    
+  };
+
+#include <ipvideo/CRtpFileBase.inl>
+
+#endif // CRTPFILEBASE_H
+
+// End of File