cbrframesizescalability.h

Go to the documentation of this file.

// ##########################################################################
// ####                                                                  ####
// ####                    Master Thesis Implementation                  ####
// ####  Management of Layered Variable Bitrate Multimedia Streams over  ####
// ####                  DiffServ with A Priori Knowledge                ####
// ####                                                                  ####
// #### ================================================================ ####
// ####                                                                  ####
// ####                                                                  ####
// #### Constant Bitrate 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 CBRFRAMESIZESCALABILITY_H
#define CBRFRAMESIZESCALABILITY_H


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


namespace Coral {


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

   ~ConstantBitrateFrameSizeScalability();


   // ====== Initialization =================================================
   void initConstantBitrateFrameSizeScalability(
           const cardinal maxFrameSize,
           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;


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


   // ====== Protected data =================================================
   protected:
   cardinal MinFrameSize;
   cardinal MaxFrameSize;
};


}


#endif