resourceutilizationpoint.h

Go to the documentation of this file.

// ##########################################################################
// ####                                                                  ####
// ####                    Master Thesis Implementation                  ####
// ####  Management of Layered Variable Bitrate Multimedia Streams over  ####
// ####                  DiffServ with A Priori Knowledge                ####
// ####                                                                  ####
// #### ================================================================ ####
// ####                                                                  ####
// ####                                                                  ####
// #### Resource Utilization Point                                       ####
// ####                                                                  ####
// #### Version 1.00  --  February 19, 2001                              ####
// ####                                                                  ####
// #### Copyright (C) 2000/2001 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 RESOURCEUTILIZATIONPOINT_H
#define RESOURCEUTILIZATIONPOINT_H


#include "system.h"
#include "rtppacket.h"
#include "bandwidthinfo.h"
#include "trafficclassvalues.h"


namespace Coral {


class StreamDescription;


struct LayerClassMappingPossibility
{
   cardinal Class;

   cardinal BufferDelay;

   double Cost;

   card64 Bandwidth;
};


struct LayerClassMapping
{
   cardinal Possibilities;

   LayerClassMappingPossibility Possibility[TrafficClassValues::MaxValues];
};


class ResourceUtilizationPoint
{
   // ====== Public data ====================================================
   public:
   card64 Bandwidth;

   double BandwidthCost;

   double Utilization;

   double FrameRate;

   cardinal Layers;


   BandwidthInfo LayerBandwidthInfo[RTPConstants::RTPMaxQualityLayers];

   LayerClassMapping Mapping[RTPConstants::RTPMaxQualityLayers];


   // ====== Operations =====================================================
   void reset();

   static cardinal mergeResourceUtilizationLists(
                      ResourceUtilizationPoint*  destination,
                      ResourceUtilizationPoint** listArray,
                      const cardinal*            listSizeArray,
                      const cardinal             listCount);

   static void ResourceUtilizationPoint::sortResourceUtilizationList(
                                            ResourceUtilizationPoint* rup,
                                            const integer            start,
                                            const integer            end);

   static cardinal ResourceUtilizationPoint::optimizeResourceUtilizationList(
                                                ResourceUtilizationPoint* rup,
                                                const cardinal            count);

   static cardinal grahamScanResourceUtilizationList(ResourceUtilizationPoint* rup,
                                                     const cardinal            count);


   // ====== Comparision operators ==========================================
   inline int operator==(const ResourceUtilizationPoint& rup) const;

   inline int operator!=(const ResourceUtilizationPoint& rup) const;


   // ====== Private data ===================================================
   private:
   static inline void swapResourceUtilizationPoints(ResourceUtilizationPoint& a,
                                                    ResourceUtilizationPoint& b);
   static inline integer ccw(const ResourceUtilizationPoint& p0,
                             const ResourceUtilizationPoint& p1,
                             const ResourceUtilizationPoint& p2);
};


ostream& operator<<(ostream& os, const ResourceUtilizationPoint& rup);



}


#include "resourceutilizationpoint.icc"


#endif