srgconv.c

一个很好的c++ midi解码算法,不依赖于任何平台.

/*
 *  srgconv - SMF1/RCP/G36 to SMF0 converter
 *  Copyright (C) 1998,1999 SAKAI Katsuya
 *
 *  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
 */

#include <stdio.h> // #include <iostream.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <stdlib.h>
#include <string.h>

#include "config.h"
#include "player.h"
#include "seq_smf0.h"
#include "defines.h"
#include "option.h"

u_char port2dev[16]={
  PORT_A, PORT_B, PORT_C, PORT_D,   PORT_E, PORT_F, PORT_A, PORT_A,
  PORT_A, PORT_A, PORT_A, PORT_A,   PORT_A, PORT_A, PORT_A, PORT_A
};

Sequencer *aSequencer;
MIDIplayer *player;
OPTION opt;
char MIDIplayer::stop=FALSE;
char MIDIplayer::next=FALSE;

void usage(char *progname);

int
main(int argc, char *argv[])
{
  if (argc>2)
	usage(argv[0]);

  aSequencer = new Sequencer_SMF0;
  if(aSequencer->open(0, SEQBUFFER_SIZE)<0) return -1;   

  G36_Player g36;
  R36_Player rcp;
  SMF_Player smf;
  int rtn;

  if (argc==2)
	{
	  if (argv[1][0]=='-') usage(argv[0]);
	  if((rtn = smf.load(argv[1]))>=0)
		player=&smf;
	  else if((rtn = rcp.load(argv[1]))>=0)
		player=&rcp;
	  else if((rtn = g36.load(argv[1]))>=0)
		player=&g36;
	}
  else
	{
	  char ch;
	  ch = opt.filename (argv[0])[0];
	  if (ch=='s')
		{
		  if((rtn = smf.load(0))>=0)
			player=&smf;
		}
	  else if (ch=='g')
		{
		  if((rtn = g36.load(0))>=0)
			player=&g36;
		}
	  else
		{
		  if((rtn = rcp.load(0))>=0)
			player=&rcp;
		}
	}

  if(rtn>=0)
	{
#     ifdef SHOW_FILEINFO
	  cout << "filename:" << argv[1] << endl;
#     endif
	  aSequencer->reset();		  
	  player->init();
	  player->play();
	  player->clear();
	}
  else
	{
	  switch (rtn)
		{
		case -1:
		  printf("%s : open error\n", argv[1]); // cout << argv[1] <<  " : open error " << endl;
		  break;
		case -2:
		  printf("%s : unknown format\n", argv[1]); // cout << argv[1] << " : unknown format" << endl;
		  break;
		case -3:
		  printf("%s : broken file?\n", argv[1]); // cout << argv[1] << " : broken file?" << endl;
		  break;
		case -4:
		  printf("memory allocatiuon error\n"); // cout << "memory allocation error" << endl;
		  aSequencer->close();
		  return rtn;
		  break;
		default:
		  printf("error\n"); // cout << "error" << endl;
		  aSequencer->close();
		  return rtn;
		  break;
		}	
	}
  aSequencer->close();
  return 0;
}

void usage(char *progname)
{
#if 0
  cout << endl
	   << "SMF1/RCP/R36/G18/G36 to SMF0 converter" << endl
	   << opt.filename(progname) << " version " << VERSION
	   << endl
	   << "Copyright (C) 1998,1999 Sakai Katsuya" << endl
	   << "This software comes with ABSOLUTELY NO WARRANTY." << endl
	   << endl 
	   << "usage: " << opt.filename(progname)
	   << " filename "<< endl 
	   << endl;
#else

#endif
  exit(0);
}