ExampleVideoServer.cpp

Example for a videoserver waiting for images

Author

MIP

/*
This file is part of the BIAS library (Basic ImageAlgorithmS).

Copyright (C) 2003-2009    (see file CONTACT for details)
  Multimediale Systeme der Informationsverarbeitung
  Institut fuer Informatik
  Christian-Albrechts-Universitaet Kiel


BIAS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

BIAS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with BIAS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/


/** @example ExampleVideoServer.cpp
    @relates VideoServer
    @ingroup g_examples
    @ingroup g_videosource
    @brief  Example for a videoserver waiting for images
    @author MIP
*/

#include <iostream>
#include <Utils/Param.hh>
#include <VideoSource/VideoServer.hh>
#include <Base/Debug/TimeMeasure.hh>

using namespace std;
using namespace BIAS;


int main( int argc, char *argv[])
{
  bool done = false;
  Param Params;
  TimeMeasure timer_;
  float fps;
  VideoServer vs;
  Params.SetShortCommand("readconfig",'r');
  Params.SetShortCommand("writeconfig",'w');
  int optind = Params.ParseCommandLine(argc,argv);
  if (optind<0) {
    cout<<"Usage: "<<argv[0]<<" options"<<endl<<
      " by default all images in current dir are taken."<<endl;
    exit(1);
  }
  cout <<"Init class VideoServer"<<endl;
  if (vs.Init() <0) exit(1);
  cout <<"done"<<endl;
  int i=0,res=0;
  while(!done){
    timer_.Start();
    res=vs.ProcessOneImage(); 

    if (res==1) biasusleep(500); // not yet connected
    timer_.Stop();
    fps = 1000000.0f / float( timer_.GetRealTime() );
    timer_.Reset();
    if (res==0) {
      unsigned int MessageSize = vs.GetMessageSize();
      float bw = (float)MessageSize* fps / 1024;
      cout <<"sent image "<<i<<" size: "<<MessageSize<<" fps: "<<fps
           <<" bandwidth: "<<bw<< " [kB/s]"<<endl;
      i++;    
    }
  }

  return 0;
}