git.sesse.net Git - vlc/blob - modules/demux/dash/adaptationlogic/RateBasedAdaptationLogic.h

   1 /*
   2  * RateBasedAdaptationLogic.h
   3  *****************************************************************************
   4  * Copyright (C) 2010 - 2011 Klagenfurt University
   5  *
   6  * Created on: Aug 10, 2010
   7  * Authors: Christopher Mueller <christopher.mueller@itec.uni-klu.ac.at>
   8  *          Christian Timmerer  <christian.timmerer@itec.uni-klu.ac.at>
   9  *
  10  * This program is free software; you can redistribute it and/or modify it
  11  * under the terms of the GNU Lesser General Public License as published
  12  * by the Free Software Foundation; either version 2.1 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public License
  21  * along with this program; if not, write to the Free Software Foundation,
  22  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifndef RATEBASEDADAPTATIONLOGIC_H_
  26 #define RATEBASEDADAPTATIONLOGIC_H_
  27
  28 #include "adaptationlogic/AbstractAdaptationLogic.h"
  29
  30 #define MINBUFFER 30
  31
  32 namespace dash
  33 {
  34     namespace logic
  35     {
  36         class RateBasedAdaptationLogic : public AbstractAdaptationLogic
  37         {
  38             public:
  39                 RateBasedAdaptationLogic            (mpd::MPD *mpd);
  40
  41                 dash::mpd::Representation *getCurrentRepresentation(Streams::Type) const;
  42                 virtual void updateDownloadRate(size_t, mtime_t);
  43
  44             private:
  45                 int                     width;
  46                 int                     height;
  47                 size_t                  bpsAvg;
  48                 size_t                  bpsSamplecount;
  49                 size_t                  currentBps;
  50         };
  51
  52         class FixedRateAdaptationLogic : public AbstractAdaptationLogic
  53         {
  54             public:
  55                 FixedRateAdaptationLogic(mpd::MPD *mpd);
  56
  57                 dash::mpd::Representation *getCurrentRepresentation(Streams::Type) const;
  58
  59             private:
  60                 size_t                  currentBps;
  61         };
  62     }
  63 }
  64
  65 #endif /* RATEBASEDADAPTATIONLOGIC_H_ */