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/*
* freewheel - start/stop JACK "freewheeling" mode
*
* Copyright (C) 2003 Paul Davis.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <jack/jack.h>
#include <jack/transport.h>
char *package; /* program name */
jack_client_t *client;
int onoff;
static void jack_shutdown(void *arg)
{
fprintf(stderr, "JACK shut down, exiting ...\n");
exit(1);
}
static void signal_handler(int sig)
{
jack_client_close(client);
fprintf(stderr, "signal received, exiting ...\n");
exit(0);
}
static void parse_arguments(int argc, char *argv[])
{
if (argc < 2) {
fprintf(stderr, "usage: %s y|n\n", package);
exit(9);
}
if (argv[1][0] == 'y' || argv[1][0] == 'Y' || argv[1][0] == '1') {
onoff = 1;
} else {
onoff = 0;
}
}
int
main (int argc, char *argv[])
{
parse_arguments (argc, argv);
/* become a JACK client */
if ((client = jack_client_open ("freewheel", JackNullOption, NULL)) == 0) {
fprintf (stderr, "JACK server not running?\n");
exit(1);
}
#ifndef WIN32
signal (SIGQUIT, signal_handler);
signal (SIGHUP, signal_handler);
#endif
signal (SIGTERM, signal_handler);
signal (SIGINT, signal_handler);
jack_on_shutdown (client, jack_shutdown, 0);
if (jack_set_freewheel (client, onoff)) {
fprintf (stderr, "failed to reset freewheel mode\n");
}
jack_client_close(client);
return 0;
}
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