134 lines
3.1 KiB
C
134 lines
3.1 KiB
C
/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <getopt.h>
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#include <jack/jack.h>
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char * my_name;
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void
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show_version (void)
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{
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//fprintf (stderr, "%s: JACK Audio Connection Kit version " VERSION "\n", my_name);
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}
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void
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show_usage (void)
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{
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show_version ();
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fprintf (stderr, "\nUsage: %s [options] portname alias\n", my_name);
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fprintf (stderr, "List active Jack ports, and optionally display extra information.\n\n");
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fprintf (stderr, "Display options:\n");
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fprintf (stderr, " -u, --unalias remove `alias' as an alias for `port'\n");
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fprintf (stderr, " -h, --help Display this help message\n");
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fprintf (stderr, " --version Output version information and exit\n\n");
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fprintf (stderr, "For more information see http://jackaudio.org/\n");
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}
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int
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main (int argc, char *argv[])
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{
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jack_client_t *client;
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jack_status_t status;
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char* portname;
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char* alias;
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int unset = 0;
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int ret;
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int c;
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int option_index;
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extern int optind;
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jack_port_t* port;
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struct option long_options[] = {
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{ "unalias", 0, 0, 'u' },
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{ "help", 0, 0, 'h' },
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{ "version", 0, 0, 'v' },
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{ 0, 0, 0, 0 }
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};
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if (argc < 3) {
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show_usage ();
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return 1;
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}
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my_name = strrchr(argv[0], '/');
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if (my_name == 0) {
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my_name = argv[0];
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} else {
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my_name ++;
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}
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while ((c = getopt_long (argc, argv, "uhv", long_options, &option_index)) >= 0) {
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switch (c) {
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case 'u':
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unset = 1;
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break;
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case 'h':
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show_usage ();
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return 1;
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break;
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case 'v':
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show_version ();
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return 1;
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break;
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default:
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show_usage ();
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return 1;
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break;
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}
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}
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portname = argv[optind++];
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alias = argv[optind];
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/* Open a client connection to the JACK server. Starting a
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* new server only to list its ports seems pointless, so we
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* specify JackNoStartServer. */
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//JOQ: need a new server name option
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client = jack_client_open ("lsp", JackNoStartServer, &status);
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if (client == NULL) {
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if (status & JackServerFailed) {
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fprintf (stderr, "JACK server not running\n");
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} else {
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fprintf (stderr, "jack_client_open() failed, "
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"status = 0x%2.0x\n", status);
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}
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return 1;
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}
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if ((port = jack_port_by_name (client, portname)) == 0) {
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fprintf (stderr, "No port named \"%s\"\n", portname);
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return 1;
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}
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if (!unset) {
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ret = jack_port_set_alias (port, alias);
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} else {
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ret = jack_port_unset_alias (port, alias);
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}
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jack_client_close (client);
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return ret;
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}
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