root/usr.bin/audiocfg/main.c
/* $NetBSD: main.c,v 1.17 2023/04/01 12:41:02 mlelstv Exp $ */

/*
 * Copyright (c) 2010 Jared D. McNeill <jmcneill@invisible.ca>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <assert.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include "audiodev.h"
#include "drvctl.h"

__dead static void
usage(void)
{
        const char *p = getprogname();

        fprintf(stderr, "usage: %s list [<index>]\n", p);
        fprintf(stderr, "       %s default <index>\n", p);
        fprintf(stderr, "       %s set  <index> [p|r] <enc> <prec> <ch> <freq>\n",
            p);
        fprintf(stderr, "       %s test <index>\n", p);
        exit(EXIT_FAILURE);
}

const char *encoding_names[] = {
        "none",
        AudioEmulaw,
        AudioEalaw,
        "pcm16",
        "pcm8",
        AudioEadpcm,
        AudioEslinear_le,
        AudioEslinear_be,
        AudioEulinear_le,
        AudioEulinear_be,
        AudioEslinear,
        AudioEulinear,
        AudioEmpeg_l1_stream,
        AudioEmpeg_l1_packets,
        AudioEmpeg_l1_system,
        AudioEmpeg_l2_stream,
        AudioEmpeg_l2_packets,
        AudioEmpeg_l2_system,
        AudioEac3,
};
u_int encoding_max = __arraycount(encoding_names);

static void
print_audiodev(struct audiodev *adev, int i)
{
        struct audiofmt *f;
        int j;

        assert(adev != NULL);

        printf("%u: [%c] %s @ %s: ",
            i, adev->defaultdev ? '*' : ' ',
            adev->xname, adev->pxname);
        printf("%s", adev->audio_device.name);
        if (strlen(adev->audio_device.version) > 0)
                printf(" %s", adev->audio_device.version);
        printf("\n");
        printf("       playback: ");
        if ((adev->hwinfo.mode & AUMODE_PLAY)) {
                printf("%u, %uch, %uHz\n",
                    adev->hwinfo.play.precision,
                    adev->hwinfo.play.channels,
                    adev->hwinfo.play.sample_rate);
        } else {
                printf("unavailable\n");
        }
        printf("       record:   ");
        if ((adev->hwinfo.mode & AUMODE_RECORD)) {
                printf("%u, %uch, %uHz\n",
                    adev->hwinfo.record.precision,
                    adev->hwinfo.record.channels,
                    adev->hwinfo.record.sample_rate);
        } else {
                printf("unavailable\n");
        }

        TAILQ_FOREACH(f, &adev->formats, next) {
                printf("       ");
                if (f->fmt.priority < 0)
                        printf("(  ) ");
                else if ((f->fmt.mode & (AUMODE_PLAY | AUMODE_RECORD))
                    == (AUMODE_PLAY | AUMODE_RECORD))
                        printf("(PR) ");
                else if ((f->fmt.mode & AUMODE_PLAY))
                        printf("(P-) ");
                else if ((f->fmt.mode & AUMODE_RECORD))
                        printf("(-R) ");

                if (f->fmt.encoding < encoding_max)
                        printf("%s", encoding_names[f->fmt.encoding]);
                else
                        printf("unknown_encoding_%d", f->fmt.encoding);
                printf(" %d/%d, %dch, ",
                    f->fmt.validbits,
                    f->fmt.precision,
                    f->fmt.channels);
                if (f->fmt.frequency_type == 0) {
                        printf("%d-%dHz",
                            f->fmt.frequency[0],
                            f->fmt.frequency[1]);
                } else {
                        for (j = 0; j < (int)f->fmt.frequency_type; j++) {
                                printf("%s%d",
                                    (j == 0) ? "{ " : ", ",
                                    f->fmt.frequency[j]);
                        }
                        printf(" }");
                }
                printf("\n");
        }
}

int
main(int argc, char *argv[])
{
        struct audiodev *adev;
        unsigned int n, i;
        unsigned int j;
        const char *enc;
        unsigned int prec;
        unsigned int ch;
        unsigned int freq;
        int mode;

        if (audiodev_refresh() == -1)
                return EXIT_FAILURE;

        if (argc < 2)
                usage();
                /* NOTREACHED */

        if (strcmp(argv[1], "list") == 0 && argc == 2) {
                n = audiodev_count();
                for (i = 0; i < n; i++)
                        print_audiodev(audiodev_get(i), i);
        } else if (strcmp(argv[1], "list") == 0 && argc == 3) {
                if (*argv[2] < '0' || *argv[2] > '9')
                        usage();
                        /* NOTREACHED */
                errno = 0;
                i = strtoul(argv[2], NULL, 10);
                if (errno)
                        usage();
                        /* NOTREACHED */
                adev = audiodev_get(i);
                if (adev == NULL) {
                        errx(EXIT_FAILURE, "no such device");
                }
                print_audiodev(adev, i);
        } else if (strcmp(argv[1], "default") == 0 && argc == 3) {
                if (*argv[2] < '0' || *argv[2] > '9')
                        usage();
                        /* NOTREACHED */
                errno = 0;
                i = strtoul(argv[2], NULL, 10);
                if (errno)
                        usage();
                        /* NOTREACHED */
                adev = audiodev_get(i);
                if (adev == NULL) {
                        errx(EXIT_FAILURE, "no such device");
                }
                printf("setting default audio device to %s\n", adev->xname);
                if (audiodev_set_default(adev) == -1) {
                        errx(EXIT_FAILURE, "couldn't set default device");
                }
        } else if (strcmp(argv[1], "set") == 0 && argc == 8) {
                /* XXX bad commandline... */
                /* audiocfg set <index> [p|r] <enc> <prec> <ch> <freq> */
                if (*argv[2] < '0' || *argv[2] > '9')
                        usage();
                        /* NOTREACHED */
                errno = 0;
                i = strtoul(argv[2], NULL, 10);
                if (errno)
                        usage();
                        /* NOTREACHED */
                adev = audiodev_get(i);
                if (adev == NULL) {
                        errx(EXIT_FAILURE, "no such device");
                }

                mode = 0;
                for (j = 0; j < strlen(argv[3]); j++) {
                        if (argv[3][j] == 'p')
                                mode |= AUMODE_PLAY;
                        else if (argv[3][j] == 'r')
                                mode |= AUMODE_RECORD;
                        else
                                usage();
                }
                if (mode == 0)
                        usage();
                        /* NOTREACHED */
                enc = argv[4];
                prec = strtoul(argv[5], NULL, 10);
                if (errno)
                        usage();
                errno = 0;
                ch = strtoul(argv[6], NULL, 10);
                if (errno)
                        usage();
                        /* NOTREACHED */
                errno = 0;
                freq = strtoul(argv[7], NULL, 10);
                if (errno)
                        usage();
                        /* NOTREACHED */

                if (audiodev_set_param(adev, mode, enc, prec, ch, freq) == -1) {
                        errx(EXIT_FAILURE, "couldn't set parameter");
                }
        } else if (strcmp(argv[1], "test") == 0 && argc == 3) {
                if (*argv[2] < '0' || *argv[2] > '9')
                        usage();
                        /* NOTREACHED */
                errno = 0;
                i = strtoul(argv[2], NULL, 10);
                if (errno)
                        usage();
                        /* NOTREACHED */
                adev = audiodev_get(i);
                if (adev == NULL) {
                        errx(EXIT_FAILURE, "no such device");
                }
                print_audiodev(adev, i);
                if (audiodev_test(adev) == -1)
                        return EXIT_FAILURE;
        } else
                usage();
                /* NOTREACHED */

        return EXIT_SUCCESS;
}