jdkmidi class library documentation
Copyright © 2004 J.D. Koftinoff Software, Ltd.
Released under the GNU General Public License (GPL)

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tests/jdkmidi_rewrite_midifile.cpp

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/*
 *  libjdkmidi-2004 C++ Class Library for MIDI
 *
 *  Copyright (C) 2004  J.D. Koftinoff Software, Ltd.
 *  www.jdkoftinoff.com
 *  jeffk@jdkoftinoff.com
 *
 *  *** RELEASED UNDER THE GNU GENERAL PUBLIC LICENSE (GPL) April 27, 2004 ***
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifdef WIN32
#include <windows.h>
#endif

#include "jdkmidi/world.h"
#include "jdkmidi/track.h"
#include "jdkmidi/multitrack.h"
#include "jdkmidi/filereadmultitrack.h"
#include "jdkmidi/fileread.h"
#include "jdkmidi/fileshow.h"
#include "jdkmidi/filewritemultitrack.h"

int main( int argc, char **argv )
{
  int return_code=-1;
  if( argc>2 )
  {   
    const char *infile_name = argv[1];
    const char *outfile_name = argv[2];
    
    // the stream used to read the input file
    jdkmidi::MIDIFileReadStreamFile rs( infile_name );

    // the object which will hold all the tracks
    jdkmidi::MIDIMultiTrack tracks;

    // the object which loads the tracks into the tracks object
    jdkmidi::MIDIFileReadMultiTrack track_loader( &tracks );

    // the object which parses the midifile and gives it to the multitrack loader
    jdkmidi::MIDIFileRead reader( &rs, &track_loader );
 
    // load the midifile into the multitrack object
    reader.Parse();
    
    // create the output stream
    jdkmidi::MIDIFileWriteStreamFileName out_stream( outfile_name );
    
    if( out_stream.IsValid() )
    {
      // the object which takes the midi tracks and writes the midifile to the output stream
      jdkmidi::MIDIFileWriteMultiTrack writer(
        &tracks,
        &out_stream
        );

      // extract the original multitrack division and number of tracks
      
      int num_tracks = reader.GetNumberTracks();
      int division = reader.GetDivision();

      // write the output file
      if( writer.Write( num_tracks, division ) )
      {
        return_code = 0;
      }
      else
      {
        fprintf( stderr, "Error writing file '%s'\n", outfile_name );
      }
    }
    else
    {
      fprintf( stderr, "Error opening file '%s'\n", outfile_name );
    }
  }
  else
  {
    fprintf( stderr, "usage:\n\tjdkmidi_rewrite_midifile INFILE.mid OUTFILE.mid\n" );
  }
  
  return return_code; 
}