frameratescalabilityinterface.h

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// ##########################################################################
// ####                                                                  ####
// ####                   Master Thesis Implementation                   ####
// ####  Management of Layered Variable Bitrate Multimedia Streams over  ####
// ####                 DiffServ with A Priori Knowledge                 ####
// ####                                                                  ####
// #### ================================================================ ####
// ####                                                                  ####
// ####                                                                  ####
// #### Frame Rate Scalability Interface                                 ####
// ####                                                                  ####
// ####           Copyright (C) 1999-2012 by Thomas Dreibholz            ####
// ####                                                                  ####
// #### Contact:                                                         ####
// ####    EMail: dreibh@iem.uni-due.de                                  ####
// ####    WWW:   https://www.nntb.no/~dreibh/rtpaudio                ####
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// #### This program is free software: you can redistribute it and/or    ####
// #### modify it under the terms of the GNU General Public License as   ####
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// #### GNU General Public License for more details.                     ####
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// #### You should have received a copy of the GNU General Public        ####
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// $Id: frameratescalabilityinterface.h 1308 2011-12-22 07:43:26Z dreibh $


#ifndef FRAMERATESCALABILITYINTERFACE_H
#define FRAMERATESCALABILITYINTERFACE_H


#include "tdsystem.h"


class FrameRateScalabilityInterface
{
   // ====== Scalability information methods ================================
   public:
   virtual const char* getFrameRateScalabilityClass() const = 0;

   virtual bool isFrameRateScalable() const = 0;


   // ====== Frame rate methods =============================================
   virtual double getMinFrameRate() const = 0;

   virtual double getMaxFrameRate() const = 0;

   virtual bool isValidFrameRate(const double frameRate) const = 0;

   virtual double getNearestValidFrameRate(const double frameRate) const = 0;

   virtual double getNextFrameRateForRate(const double frameRate) const = 0;

   virtual double getPrevFrameRateForRate(const double frameRate) const = 0;


   // ====== Scaling and utilization methods ================================
   virtual double getFrameRateScaleFactorForRate(const double frameRate) const = 0;

   virtual double getFrameRateUtilizationForRate(const double frameRate) const = 0;

   virtual double getFrameRateUtilizationWeight(const double frameRate) const = 0;
};


#endif