traceframesizescalability.h

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// ##########################################################################
// ####                                                                  ####
// ####                    Master Thesis Implementation                  ####
// ####  Management of Layered Variable Bitrate Multimedia Streams over  ####
// ####                  DiffServ with A Priori Knowledge                ####
// ####                                                                  ####
// #### ================================================================ ####
// ####                                                                  ####
// ####                                                                  ####
// #### Trace Frame Size Scalability                                     ####
// ####                                                                  ####
// #### Version 1.00  --  February 19, 2001                              ####
// ####                                                                  ####
// #### Copyright (C) 2000/2001 Thomas Dreibholz                         ####
// #### Copyright (C) 2000 Thomas Dreibholz                              ####
// #### University of Bonn, Department of Computer Science IV            ####
// #### EMail: dreibh@iem.uni-due.de                                     ####
// #### WWW:   https://www.uni-due.de/~be0001/diplom/index.html          ####
// ####                                                                  ####
// ##########################################################################


#ifndef TRACEFRAMESIZESCALABILITY_H
#define TRACEFRAMESIZESCALABILITY_H


#include "system.h"
#include "framesizescalabilityinterface.h"
#include "genericframesizescalability.h"
#include "tdtfreader.h"


namespace Coral {


class TraceFrameSizeScalability : public GenericFrameSizeScalability
{
   // ====== Constructor/Destructor =========================================
   public:
   TraceFrameSizeScalability();

   ~TraceFrameSizeScalability();


   // ====== Initialization =================================================
   void initFrameSizeScalability(TDTFReader*    traceReader,
                                 const card64   position,
                                 const cardinal layer,
                                 const double   scaleFactor);


   // ====== Scalability information methods ================================
   const char* getFrameSizeScalabilityClass() const;

   bool isFrameSizeScalable() const;

   bool isVariableBitrate() const;


   // ====== Frame size methods =============================================
   cardinal getMinPayloadFrameSizeForDelay(const double   frameRate,
                                           const cardinal bufferDelay) const;

   cardinal getMaxPayloadFrameSizeForDelay(const double   frameRate,
                                           const cardinal bufferDelay) const;

   cardinal getMaxFrameCountForDelay(const double   frameRate,
                                     const cardinal bufferDelay) const;


   // ====== Scaling and utilization methods ================================
   double getPayloadFrameSizeUtilizationForDelayAndSize(const double   frameRate,
                                                        const cardinal bufferDelay,
                                                        const cardinal frameSize) const;

   double getFrameSizeUtilizationWeight(const double frameRate) const;


   // ====== Buffer delay methods ===========================================
   cardinal getMaxBufferDelay(const double frameRate) const;


   // ====== Protected data =================================================
   protected:
   TDTFReader* TraceReader;
   card64      Position;
   double      ScaleFactor;
   cardinal    Layer;
};


}


#endif