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/*
Copyright (C) 2002 Jeremy Hall
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>
#ifndef WIN32
#include <unistd.h>
#endif
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <getopt.h>
#include <jack/jack.h>
#include <jack/session.h>
jack_port_t *input_port;
jack_port_t *output_port;
int connecting, disconnecting;
volatile int done = 0;
#define TRUE 1
#define FALSE 0
void port_connect_callback(jack_port_id_t a, jack_port_id_t b, int connect, void* arg)
{
done = 1;
}
void
show_version (char *my_name)
{
//fprintf (stderr, "%s: JACK Audio Connection Kit version " VERSION "\n", my_name);
}
void
show_usage (char *my_name)
{
show_version (my_name);
fprintf (stderr, "\nusage: %s [options] port1 port2\n", my_name);
fprintf (stderr, "Connects two JACK ports together.\n\n");
fprintf (stderr, " -s, --server <name> Connect to the jack server named <name>\n");
fprintf (stderr, " -v, --version Output version information and exit\n");
fprintf (stderr, " -h, --help Display this help message\n\n");
fprintf (stderr, "For more information see http://jackaudio.org/\n");
}
int
main (int argc, char *argv[])
{
jack_client_t *client;
jack_status_t status;
char *server_name = NULL;
int c;
int option_index;
jack_options_t options = JackNoStartServer;
char *my_name = strrchr(argv[0], '/');
jack_port_t *src_port = 0;
jack_port_t *dst_port = 0;
jack_port_t *port1 = 0;
jack_port_t *port2 = 0;
char portA[300];
char portB[300];
int use_uuid=0;
int connecting, disconnecting;
int port1_flags, port2_flags;
int rc = 1;
struct option long_options[] = {
{ "server", 1, 0, 's' },
{ "help", 0, 0, 'h' },
{ "version", 0, 0, 'v' },
{ "uuid", 0, 0, 'u' },
{ 0, 0, 0, 0 }
};
while ((c = getopt_long (argc, argv, "s:hvu", long_options, &option_index)) >= 0) {
switch (c) {
case 's':
server_name = (char *) malloc (sizeof (char) * strlen(optarg));
strcpy (server_name, optarg);
options |= JackServerName;
break;
case 'u':
use_uuid = 1;
break;
case 'h':
show_usage (my_name);
return 1;
break;
case 'v':
show_version (my_name);
return 1;
break;
default:
show_usage (my_name);
return 1;
break;
}
}
connecting = disconnecting = FALSE;
if (my_name == 0) {
my_name = argv[0];
} else {
my_name ++;
}
if (strstr(my_name, "disconnect")) {
disconnecting = 1;
} else if (strstr(my_name, "connect")) {
connecting = 1;
} else {
fprintf(stderr, "ERROR! client should be called jack_connect or jack_disconnect. client is called %s\n", my_name);
return 1;
}
if (argc < 3) show_usage(my_name);
/* try to become a client of the JACK server */
if ((client = jack_client_open (my_name, options, &status, server_name)) == 0) {
fprintf (stderr, "JACK server not running?\n");
return 1;
}
jack_set_port_connect_callback(client, port_connect_callback, NULL);
/* find the two ports */
if( use_uuid ) {
char *tmpname;
char *clientname;
char *portname;
tmpname = strdup( argv[argc-1] );
portname = strchr( tmpname, ':' );
portname[0] = '\0';
portname+=1;
clientname = jack_get_client_name_by_uuid( client, tmpname );
if( clientname ) {
snprintf( portA, sizeof(portA), "%s:%s", clientname, portname );
jack_free( clientname );
} else {
snprintf( portA, sizeof(portA), "%s", argv[argc-1] );
}
free( tmpname );
tmpname = strdup( argv[argc-2] );
portname = strchr( tmpname, ':' );
portname[0] = '\0';
portname+=1;
clientname = jack_get_client_name_by_uuid( client, tmpname );
if( clientname ) {
snprintf( portB, sizeof(portB), "%s:%s", clientname, portname );
jack_free( clientname );
} else {
snprintf( portB, sizeof(portB), "%s", argv[argc-2] );
}
free( tmpname );
} else {
snprintf( portA, sizeof(portA), "%s", argv[argc-1] );
snprintf( portB, sizeof(portB), "%s", argv[argc-2] );
}
if ((port1 = jack_port_by_name(client, portA)) == 0) {
fprintf (stderr, "ERROR %s not a valid port\n", portA);
goto exit;
}
if ((port2 = jack_port_by_name(client, portB)) == 0) {
fprintf (stderr, "ERROR %s not a valid port\n", portB);
goto exit;
}
port1_flags = jack_port_flags (port1);
port2_flags = jack_port_flags (port2);
if (port1_flags & JackPortIsInput) {
if (port2_flags & JackPortIsOutput) {
src_port = port2;
dst_port = port1;
}
} else {
if (port2_flags & JackPortIsInput) {
src_port = port1;
dst_port = port2;
}
}
if (!src_port || !dst_port) {
fprintf (stderr, "arguments must include 1 input port and 1 output port\n");
goto exit;
}
/* tell the JACK server that we are ready to roll */
if (jack_activate (client)) {
fprintf (stderr, "cannot activate client");
goto exit;
}
/* connect the ports. Note: you can't do this before
the client is activated (this may change in the future).
*/
if (connecting) {
if (jack_connect(client, jack_port_name(src_port), jack_port_name(dst_port))) {
fprintf (stderr, "cannot connect client, already connected?\n");
goto exit;
}
}
if (disconnecting) {
if (jack_disconnect(client, jack_port_name(src_port), jack_port_name(dst_port))) {
fprintf (stderr, "cannot disconnect client, already disconnected?\n");
goto exit;
}
}
// Wait for connection/disconnection to be effective
while(!done) {
#ifdef WIN32
Sleep(10);
#else
usleep(10000);
#endif
}
/* everything was ok, so setting exitcode to 0 */
rc = 0;
exit:
jack_client_close (client);
exit (rc);
}
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