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main.c revision 1.6.12.1 
      1 /* $NetBSD: main.c,v 1.6.12.1 2014/08/20 00:04:56 tls Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2010 Jared D. McNeill <jmcneill (at) 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 <assert.h>
     30 #include <errno.h>
     31 #include <fcntl.h>
     32 #include <limits.h>
     33 #include <stdio.h>
     34 #include <stdlib.h>
     35 #include <unistd.h>
     36 
     37 #include "audiodev.h"
     38 #include "drvctl.h"
     39 
     40 __dead static void
     41 usage(const char *p)
     42 {
     43 	fprintf(stderr, "usage: %s list\n", p);
     44 	fprintf(stderr, "       %s default <index>\n", p);
     45 	fprintf(stderr, "       %s test <index>\n", p);
     46 	exit(EXIT_FAILURE);
     47 }
     48 
     49 static void
     50 print_audiodev(struct audiodev *adev, int i)
     51 {
     52 	assert(adev != NULL);
     53 
     54 	printf("%u: [%c] %s @ %s: ",
     55 	    i, adev->defaultdev ? '*' : ' ',
     56 	    adev->xname, adev->pxname);
     57 	printf("%s", adev->audio_device.name);
     58 	if (strlen(adev->audio_device.version) > 0)
     59 		printf(" %s", adev->audio_device.version);
     60 	printf(", %u playback channel%s\n",
     61 	    adev->pchan, adev->pchan == 1 ? "" : "s");
     62 }
     63 
     64 int
     65 main(int argc, char *argv[])
     66 {
     67 	struct audiodev *adev;
     68 	unsigned int n, i;
     69 
     70 	if (audiodev_refresh() == -1)
     71 		return EXIT_FAILURE;
     72 
     73 	if (argc < 2)
     74 		usage(argv[0]);
     75 		/* NOTREACHED */
     76 
     77 	if (strcmp(argv[1], "list") == 0) {
     78 		n = audiodev_count();
     79 		for (i = 0; i < n; i++)
     80 			print_audiodev(audiodev_get(i), i);
     81 	} else if (strcmp(argv[1], "default") == 0 && argc == 3) {
     82 		if (*argv[2] < '0' || *argv[2] > '9')
     83 			usage(argv[0]);
     84 			/* NOTREACHED */
     85 		errno = 0;
     86 		i = strtoul(argv[2], NULL, 10);
     87 		if (errno)
     88 			usage(argv[0]);
     89 			/* NOTREACHED */
     90 		adev = audiodev_get(i);
     91 		if (adev == NULL) {
     92 			fprintf(stderr, "no such device\n");
     93 			return EXIT_FAILURE;
     94 		}
     95 		printf("setting default audio device to %s\n", adev->xname);
     96 		if (audiodev_set_default(adev) == -1) {
     97 			perror("couldn't set default device");
     98 			return EXIT_FAILURE;
     99 		}
    100 	} else if (strcmp(argv[1], "test") == 0 && argc == 3) {
    101 		if (*argv[2] < '0' || *argv[2] > '9')
    102 			usage(argv[0]);
    103 			/* NOTREACHED */
    104 		errno = 0;
    105 		i = strtoul(argv[2], NULL, 10);
    106 		if (errno)
    107 			usage(argv[0]);
    108 			/* NOTREACHED */
    109 		adev = audiodev_get(i);
    110 		if (adev == NULL) {
    111 			fprintf(stderr, "no such device\n");
    112 			return EXIT_FAILURE;
    113 		}
    114 		print_audiodev(adev, i);
    115 		for (i = 0; i < adev->pchan; i++) {
    116 			printf("  testing channel %d...", i);
    117 			fflush(stdout);
    118 			if (audiodev_test(adev, 1 << i) == -1)
    119 				return EXIT_FAILURE;
    120 			printf(" done\n");
    121 		}
    122 	} else
    123 		usage(argv[0]);
    124 		/* NOTREACHED */
    125 
    126 	return EXIT_SUCCESS;
    127 }
    128