Add native OpenBSD support for mute/volume
Based on functionality in dstat by Joerg Jung.
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LICENSE
2
LICENSE
@ -18,6 +18,8 @@ Copyright 2018 Tobias Tschinkowitz <tobias@he4d.net>
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Copyright 2018 David Demelier <markand@malikania.fr>
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Copyright 2018-2019 Michael Buch <michaelbuch12@gmail.com>
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Copyright 2018 Ian Remmler <ian@remmler.org>
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Copyright 2016-2019 Joerg Jung <jung@openbsd.org>
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Copyright 2019 Ingo Feinerer <feinerer@logic.at>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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2
README
2
README
@ -38,7 +38,7 @@ In order to build slstatus you need the Xlib header files.
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Installation
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------------
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Edit config.mk to match your local setup (slstatus is installed into the
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/usr/local namespace by default). Uncomment OSSLIBS on OpenBSD.
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/usr/local namespace by default).
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Afterwards enter the following command to build and install slstatus (if
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necessary as root):
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@ -2,44 +2,108 @@
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#if defined(__OpenBSD__)
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#include <soundcard.h>
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#else
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#include <sys/soundcard.h>
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#endif
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include "../util.h"
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const char *
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vol_perc(const char *card)
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{
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size_t i;
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int v, afd, devmask;
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char *vnames[] = SOUND_DEVICE_NAMES;
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#if defined(__OpenBSD__)
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#include <sys/audioio.h>
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if ((afd = open(card, O_RDONLY | O_NONBLOCK)) < 0) {
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warn("open '%s':", card);
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return NULL;
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}
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const char *
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vol_perc(const char *card)
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{
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static int cls = -1;
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mixer_devinfo_t mdi;
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mixer_ctrl_t mc;
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int afd = -1, m = -1, v = -1;
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if (ioctl(afd, (int)SOUND_MIXER_READ_DEVMASK, &devmask) < 0) {
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warn("ioctl 'SOUND_MIXER_READ_DEVMASK':");
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close(afd);
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return NULL;
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}
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for (i = 0; i < LEN(vnames); i++) {
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if (devmask & (1 << i) && !strcmp("vol", vnames[i])) {
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if (ioctl(afd, MIXER_READ(i), &v) < 0) {
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warn("ioctl 'MIXER_READ(%ld)':", i);
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if ((afd = open(card, O_RDONLY)) < 0) {
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warn("open '%s':", card);
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return NULL;
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}
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for (mdi.index = 0; cls == -1; mdi.index++) {
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if (ioctl(afd, AUDIO_MIXER_DEVINFO, &mdi) < 0) {
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warn("ioctl 'AUDIO_MIXER_DEVINFO':");
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close(afd);
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return NULL;
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}
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if (mdi.type == AUDIO_MIXER_CLASS &&
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!strncmp(mdi.label.name,
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AudioCoutputs,
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MAX_AUDIO_DEV_LEN))
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cls = mdi.index;
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}
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for (mdi.index = 0; v == -1 || m == -1; mdi.index++) {
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if (ioctl(afd, AUDIO_MIXER_DEVINFO, &mdi) < 0) {
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warn("ioctl 'AUDIO_MIXER_DEVINFO':");
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close(afd);
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return NULL;
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}
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if (mdi.mixer_class == cls &&
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((mdi.type == AUDIO_MIXER_VALUE &&
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!strncmp(mdi.label.name,
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AudioNmaster,
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MAX_AUDIO_DEV_LEN)) ||
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(mdi.type == AUDIO_MIXER_ENUM &&
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!strncmp(mdi.label.name,
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AudioNmute,
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MAX_AUDIO_DEV_LEN)))) {
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mc.dev = mdi.index, mc.type = mdi.type;
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if (ioctl(afd, AUDIO_MIXER_READ, &mc) < 0) {
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warn("ioctl 'AUDIO_MIXER_READ':");
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close(afd);
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return NULL;
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}
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if (mc.type == AUDIO_MIXER_VALUE)
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v = mc.un.value.num_channels == 1 ?
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mc.un.value.level[AUDIO_MIXER_LEVEL_MONO] :
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(mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT] >
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mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] ?
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mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT] :
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mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT]);
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else if (mc.type == AUDIO_MIXER_ENUM)
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m = mc.un.ord;
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}
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}
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close(afd);
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return bprintf("%d", m ? 0 : v * 100 / 255);
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}
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#else
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#include <sys/soundcard.h>
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close(afd);
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const char *
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vol_perc(const char *card)
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{
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size_t i;
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int v, afd, devmask;
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char *vnames[] = SOUND_DEVICE_NAMES;
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return bprintf("%d", v & 0xff);
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}
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if ((afd = open(card, O_RDONLY | O_NONBLOCK)) < 0) {
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warn("open '%s':", card);
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return NULL;
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}
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if (ioctl(afd, (int)SOUND_MIXER_READ_DEVMASK, &devmask) < 0) {
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warn("ioctl 'SOUND_MIXER_READ_DEVMASK':");
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close(afd);
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return NULL;
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}
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for (i = 0; i < LEN(vnames); i++) {
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if (devmask & (1 << i) && !strcmp("vol", vnames[i])) {
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if (ioctl(afd, MIXER_READ(i), &v) < 0) {
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warn("ioctl 'MIXER_READ(%ld)':", i);
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close(afd);
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return NULL;
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}
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}
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}
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close(afd);
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return bprintf("%d", v & 0xff);
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}
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#endif
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