main.c revision 1.1 
1/* $NetBSD: main.c,v 1.1 2010/08/30 02:19:47 mrg Exp $ */
2
3/*
4 * Copyright (c) 2010 Jared D. McNeill <jmcneill@invisible.ca>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <errno.h>
30#include <fcntl.h>
31#include <limits.h>
32#include <stdio.h>
33#include <stdlib.h>
34#include <unistd.h>
35
36#include "audiodev.h"
37#include "drvctl.h"
38
39static void
40usage(const char *p)
41{
42	fprintf(stderr, "usage: %s [index]\n", p);
43	exit(EXIT_FAILURE);
44}
45
46int
47main(int argc, char *argv[])
48{
49	struct audiodev *adev;
50	unsigned int n, i;
51
52	if (audiodev_refresh() == -1)
53		return EXIT_FAILURE;
54
55	switch (argc) {
56	case 1:
57		n = audiodev_count();
58		for (i = 0; i < n; i++) {
59			adev = audiodev_get(i);
60			printf("%u: [%c] %s: %s\n",
61			    i, adev->defaultdev ? '*' : ' ',
62			    adev->xname, adev->audio_device.name);
63		}
64		break;
65	case 2:
66		if (*argv[1] < '0' || *argv[1] > '9')
67			usage(argv[0]);
68			/* NOTREACHED */
69		errno = 0;
70		i = strtoul(argv[1], NULL, 10);
71		if (errno)
72			usage(argv[0]);
73			/* NOTREACHED */
74		adev = audiodev_get(i);
75		if (adev == NULL) {
76			fprintf(stderr, "no such device\n");
77			return EXIT_FAILURE;
78		}
79		printf("setting default audio device to %s\n", adev->xname);
80		if (audiodev_set_default(adev) == -1) {
81			perror("couldn't set default device");
82			return EXIT_FAILURE;
83		}
84		break;
85	default:
86		usage(argv[0]);
87		/* NOTREACHED */
88	}
89
90	return EXIT_SUCCESS;
91}
92