diff options
Diffstat (limited to 'slstatus.c')
| -rw-r--r-- | slstatus.c | 51 |
1 files changed, 20 insertions, 31 deletions
@@ -1,6 +1,5 @@ /* See LICENSE file for copyright and license details. */ -#include <alsa/asoundlib.h> #include <err.h> #include <fcntl.h> #include <ifaddrs.h> @@ -18,6 +17,7 @@ #include <sys/stat.h> #include <sys/statvfs.h> #include <sys/socket.h> +#include <sys/soundcard.h> #include <sys/sysinfo.h> #include <sys/types.h> #include <sys/utsname.h> @@ -641,41 +641,30 @@ uid(void) static char * vol_perc(const char *card) { - int mute; - long int vol, max, min; - snd_mixer_t *handle; - snd_mixer_elem_t *elem; - snd_mixer_selem_id_t *s_elem; + unsigned int i; + int v, afd, devmask; + char *vnames[] = SOUND_DEVICE_NAMES; - snd_mixer_open(&handle, 0); - snd_mixer_attach(handle, card); - snd_mixer_selem_register(handle, NULL, NULL); - snd_mixer_load(handle); - snd_mixer_selem_id_malloc(&s_elem); - snd_mixer_selem_id_set_name(s_elem, "Master"); - elem = snd_mixer_find_selem(handle, s_elem); - - if (elem == NULL) { - snd_mixer_selem_id_free(s_elem); - snd_mixer_close(handle); - warn("Failed to get volume percentage for %s", card); - return smprintf("%s", UNKNOWN_STR); + afd = open(card, O_RDONLY); + if (afd < 0) { + warn("Cannot open %s", card); + return smprintf(UNKNOWN_STR); } - snd_mixer_handle_events(handle); - snd_mixer_selem_get_playback_volume_range(elem, &min, &max); - snd_mixer_selem_get_playback_volume(elem, 0, &vol); - snd_mixer_selem_get_playback_switch(elem, 0, &mute); - - snd_mixer_selem_id_free(s_elem); - snd_mixer_close(handle); + ioctl(afd, MIXER_READ(SOUND_MIXER_DEVMASK), &devmask); + for (i = 0; i < (sizeof(vnames) / sizeof((vnames[0]))); i++) { + if (devmask & (1 << i)) { + if (!strcmp("vol", vnames[i])) { + ioctl(afd, MIXER_READ(i), &v); + } + } + } - if (!mute) + close(afd); + if (v == 0) { return smprintf("mute"); - else if (max == 0) - return smprintf("0%%"); - else - return smprintf("%lu%%", ((uint_fast16_t)(vol * 100) / max)); + } + return smprintf("%d%%", v & 0xff); } static char * |