diff --git a/usr.sbin/mixer/mixer.c b/usr.sbin/mixer/mixer.c index b95b7502f3f4..a6f48f85ae43 100644 --- a/usr.sbin/mixer/mixer.c +++ b/usr.sbin/mixer/mixer.c @@ -1,493 +1,489 @@ /*- * Copyright (c) 2021 Christos Margiolis * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * $FreeBSD$ */ #include #include #include #include #include #include #include static void usage(void) __dead2; static void initctls(struct mixer *); static void printall(struct mixer *, int); static void printminfo(struct mixer *, int); static void printdev(struct mixer *, int); static void printrecsrc(struct mixer *, int); /* XXX: change name */ /* Control handlers */ static int mod_dunit(struct mix_dev *, void *); static int mod_volume(struct mix_dev *, void *); static int mod_mute(struct mix_dev *, void *); static int mod_recsrc(struct mix_dev *, void *); static int print_volume(struct mix_dev *, void *); static int print_mute(struct mix_dev *, void *); static int print_recsrc(struct mix_dev *, void *); static const mix_ctl_t ctl_dunit = { .parent_dev = NULL, .id = -1, .name = "default_unit", .mod = mod_dunit, .print = NULL }; int main(int argc, char *argv[]) { struct mixer *m; mix_ctl_t *cp; char *name = NULL, buf[NAME_MAX]; char *p, *bufp, *devstr, *ctlstr, *valstr = NULL; int dunit, i, n, pall = 1; int aflag = 0, dflag = 0, oflag = 0, sflag = 0; int ch; while ((ch = getopt(argc, argv, "ad:f:hos")) != -1) { switch (ch) { case 'a': aflag = 1; break; case 'd': dunit = strtol(optarg, NULL, 10); if (errno == EINVAL || errno == ERANGE) err(1, "strtol"); dflag = 1; break; case 'f': name = optarg; break; case 'o': oflag = 1; break; case 's': sflag = 1; break; case 'h': /* FALLTROUGH */ case '?': default: usage(); } } argc -= optind; argv += optind; /* Print all mixers and exit. */ if (aflag) { if ((n = mixer_get_nmixers()) < 0) err(1, "mixer_get_nmixers"); for (i = 0; i < n; i++) { (void)snprintf(buf, sizeof(buf), "/dev/mixer%d", i); if ((m = mixer_open(buf)) == NULL) err(1, "mixer_open: %s", buf); initctls(m); if (sflag) printrecsrc(m, oflag); else { printall(m, oflag); if (oflag) printf("\n"); } (void)mixer_close(m); } return (0); } if ((m = mixer_open(name)) == NULL) err(1, "mixer_open: %s", name); initctls(m); if (dflag && ctl_dunit.mod(m->dev, &dunit) < 0) goto parse; if (sflag) { printrecsrc(m, oflag); (void)mixer_close(m); return (0); } parse: while (argc > 0) { if ((p = bufp = strdup(*argv)) == NULL) err(1, "strdup(%s)", *argv); /* Split the string into device, control and value. */ devstr = strsep(&p, "."); if ((m->dev = mixer_get_dev_byname(m, devstr)) == NULL) { warnx("%s: no such device", devstr); goto next; } /* Input: `dev`. */ if (p == NULL) { printdev(m, 1); pall = 0; goto next; } ctlstr = strsep(&p, "="); if ((cp = mixer_get_ctl_byname(m->dev, ctlstr)) == NULL) { warnx("%s.%s: no such control", devstr, ctlstr); goto next; } /* Input: `dev.control`. */ if (p == NULL) { (void)cp->print(cp->parent_dev, cp->name); pall = 0; goto next; } valstr = p; /* Input: `dev.control=val`. */ cp->mod(cp->parent_dev, valstr); next: free(p); argc--; argv++; } if (pall) printall(m, oflag); (void)mixer_close(m); return (0); } static void __dead2 usage(void) { fprintf(stderr, "usage: %1$s [-f device] [-d unit] [-os] [dev[.control[=value]]] ...\n" " %1$s [-d unit] [-os] -a\n" " %1$s -h\n", getprogname()); exit(1); } static void initctls(struct mixer *m) { struct mix_dev *dp; int rc = 0; #define C_VOL 0 #define C_MUT 1 #define C_SRC 2 TAILQ_FOREACH(dp, &m->devs, devs) { rc += mixer_add_ctl(dp, C_VOL, "volume", mod_volume, print_volume); rc += mixer_add_ctl(dp, C_MUT, "mute", mod_mute, print_mute); rc += mixer_add_ctl(dp, C_SRC, "recsrc", mod_recsrc, print_recsrc); } if (rc) { (void)mixer_close(m); err(1, "cannot make controls"); } } static void printall(struct mixer *m, int oflag) { struct mix_dev *dp; printminfo(m, oflag); TAILQ_FOREACH(dp, &m->devs, devs) { m->dev = dp; printdev(m, oflag); } } static void printminfo(struct mixer *m, int oflag) { int playrec = MIX_MODE_PLAY | MIX_MODE_REC; if (oflag) return; printf("%s:", m->mi.name); if (*m->ci.longname != '\0') printf(" <%s>", m->ci.longname); if (*m->ci.hw_info != '\0') printf(" %s", m->ci.hw_info); if (m->mode != 0) printf(" ("); if (m->mode & MIX_MODE_PLAY) printf("play"); if ((m->mode & playrec) == playrec) printf("/"); if (m->mode & MIX_MODE_REC) printf("rec"); if (m->mode != 0) printf(")"); if (m->f_default) printf(" (default)"); printf("\n"); } static void printdev(struct mixer *m, int oflag) { struct mix_dev *d = m->dev; mix_ctl_t *cp; if (!oflag) { - char buffer[32]; - (void)snprintf(buffer, sizeof(buffer), - "%s.%s", d->name, "volume"); - - printf(" %-16s= %.2f:%.2f\t", - buffer, d->vol.left, d->vol.right); + printf(" %-10s= %.2f:%.2f ", + d->name, d->vol.left, d->vol.right); if (!MIX_ISREC(m, d->devno)) printf(" pbk"); if (MIX_ISREC(m, d->devno)) printf(" rec"); if (MIX_ISRECSRC(m, d->devno)) printf(" src"); if (MIX_ISMUTE(m, d->devno)) printf(" mute"); printf("\n"); } else { TAILQ_FOREACH(cp, &d->ctls, ctls) { (void)cp->print(cp->parent_dev, cp->name); } } } static void printrecsrc(struct mixer *m, int oflag) { struct mix_dev *dp; int n = 0; if (!m->recmask) return; if (!oflag) printf("%s: ", m->mi.name); TAILQ_FOREACH(dp, &m->devs, devs) { if (MIX_ISRECSRC(m, dp->devno)) { if (n++ && !oflag) printf(", "); printf("%s", dp->name); if (oflag) printf(".%s=+%s", mixer_get_ctl(dp, C_SRC)->name, n ? " " : ""); } } printf("\n"); } static int mod_dunit(struct mix_dev *d, void *p) { int dunit = *((int *)p); int n; if ((n = mixer_get_dunit()) < 0) { warn("cannot get default unit"); return (-1); } if (mixer_set_dunit(d->parent_mixer, dunit) < 0) { warn("cannot set default unit to: %d", dunit); return (-1); } printf("%s: %d -> %d\n", ctl_dunit.name, n, dunit); return (0); } static int mod_volume(struct mix_dev *d, void *p) { struct mixer *m; mix_ctl_t *cp; mix_volume_t v; const char *val; char lstr[8], rstr[8]; float lprev, rprev, lrel, rrel; int n; m = d->parent_mixer; cp = mixer_get_ctl(m->dev, C_VOL); val = p; n = sscanf(val, "%7[^:]:%7s", lstr, rstr); if (n == EOF) { warnx("invalid volume value: %s", val); return (-1); } lrel = rrel = 0; if (n > 0) { if (*lstr == '+' || *lstr == '-') lrel = rrel = 1; v.left = strtof(lstr, NULL); /* be backwards compatible */ if (strstr(lstr, ".") == NULL) v.left /= 100.0f; } if (n > 1) { if (*rstr == '+' || *rstr == '-') rrel = 1; v.right = strtof(rstr, NULL); /* be backwards compatible */ if (strstr(rstr, ".") == NULL) v.right /= 100.0f; } switch (n) { case 1: v.right = v.left; /* FALLTHROUGH */ case 2: if (lrel) v.left += m->dev->vol.left; if (rrel) v.right += m->dev->vol.right; if (v.left < MIX_VOLMIN) v.left = MIX_VOLMIN; else if (v.left > MIX_VOLMAX) v.left = MIX_VOLMAX; if (v.right < MIX_VOLMIN) v.right = MIX_VOLMIN; else if (v.right > MIX_VOLMAX) v.right = MIX_VOLMAX; lprev = m->dev->vol.left; rprev = m->dev->vol.right; if (mixer_set_vol(m, v) < 0) warn("%s.%s=%.2f:%.2f", m->dev->name, cp->name, v.left, v.right); else printf("%s.%s: %.2f:%.2f -> %.2f:%.2f\n", m->dev->name, cp->name, lprev, rprev, v.left, v.right); } return (0); } static int mod_mute(struct mix_dev *d, void *p) { struct mixer *m; mix_ctl_t *cp; const char *val; int n, opt = -1; m = d->parent_mixer; cp = mixer_get_ctl(m->dev, C_MUT); val = p; switch (*val) { case '0': opt = MIX_UNMUTE; break; case '1': opt = MIX_MUTE; break; case '^': opt = MIX_TOGGLEMUTE; break; default: warnx("%c: no such modifier", *val); return (-1); } n = MIX_ISMUTE(m, m->dev->devno); if (mixer_set_mute(m, opt) < 0) warn("%s.%s=%c", m->dev->name, cp->name, *val); else printf("%s.%s: %d -> %d\n", m->dev->name, cp->name, n, MIX_ISMUTE(m, m->dev->devno)); return (0); } static int mod_recsrc(struct mix_dev *d, void *p) { struct mixer *m; mix_ctl_t *cp; const char *val; int n, opt = -1; m = d->parent_mixer; cp = mixer_get_ctl(m->dev, C_SRC); val = p; switch (*val) { case '+': opt = MIX_ADDRECSRC; break; case '-': opt = MIX_REMOVERECSRC; break; case '=': opt = MIX_SETRECSRC; break; case '^': opt = MIX_TOGGLERECSRC; break; default: warnx("%c: no such modifier", *val); return (-1); } n = MIX_ISRECSRC(m, m->dev->devno); if (mixer_mod_recsrc(m, opt) < 0) warn("%s.%s=%c", m->dev->name, cp->name, *val); else printf("%s.%s: %d -> %d\n", m->dev->name, cp->name, n, MIX_ISRECSRC(m, m->dev->devno)); return (0); } static int print_volume(struct mix_dev *d, void *p) { struct mixer *m = d->parent_mixer; const char *ctl_name = p; printf("%s.%s=%.2f:%.2f\n", m->dev->name, ctl_name, m->dev->vol.left, m->dev->vol.right); return (0); } static int print_mute(struct mix_dev *d, void *p) { struct mixer *m = d->parent_mixer; const char *ctl_name = p; printf("%s.%s=%d\n", m->dev->name, ctl_name, MIX_ISMUTE(m, m->dev->devno)); return (0); } static int print_recsrc(struct mix_dev *d, void *p) { struct mixer *m = d->parent_mixer; const char *ctl_name = p; if (!MIX_ISRECSRC(m, m->dev->devno)) return (-1); printf("%s.%s=+\n", m->dev->name, ctl_name); return (0); }