commit 52d19f955e67712eab50f582046013246b6bc75d
parent 9fa858daeafb5398cdf19af9483b2854fe6e9772
Author: Ali H. Fardan <[email protected]>
Date: Mon, 5 Sep 2016 01:18:55 +0300
imported a new vol_perc() function, this should fix #12 (UNTESTED)
Diffstat:
| M | slstatus.c | 57 | ++++++++++++++++++++++----------------------------------- |
1 file changed, 22 insertions(+), 35 deletions(-)
diff --git a/slstatus.c b/slstatus.c
@@ -481,50 +481,37 @@ uid(void)
}
-static char *
-vol_perc(const char *soundcard)
-{
- /*
- * TODO: FIXME:
- * https://github.com/drkh5h/slstatus/issues/12
- */
- int mute = 0;
- long vol = 0, max = 0, min = 0;
+static char *
+vol_perc(const char *snd_card)
+{ /* thanks to botika for this function */
+ long int vol, max, min;
snd_mixer_t *handle;
- snd_mixer_elem_t *pcm_mixer, *mas_mixer;
- snd_mixer_selem_id_t *vol_info, *mute_info;
+ snd_mixer_elem_t *elem;
+ snd_mixer_selem_id_t *s_elem;
snd_mixer_open(&handle, 0);
- snd_mixer_attach(handle, soundcard);
+ snd_mixer_attach(handle, snd_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);
- snd_mixer_selem_id_malloc(&vol_info);
- snd_mixer_selem_id_malloc(&mute_info);
- if (vol_info == NULL || mute_info == NULL) {
- fprintf(stderr, "Could not get alsa volume.\n");
+ if (elem == NULL) {
+ snd_mixer_selem_id_free(s_elem);
+ snd_mixer_close(handle);
+ perror("alsa error: ");
return smprintf(UNKNOWN_STR);
}
- snd_mixer_selem_id_set_name(vol_info, ALSA_CHANNEL);
- snd_mixer_selem_id_set_name(mute_info, ALSA_CHANNEL);
- pcm_mixer = snd_mixer_find_selem(handle, vol_info);
- mas_mixer = snd_mixer_find_selem(handle, mute_info);
-
- snd_mixer_selem_get_playback_volume_range((snd_mixer_elem_t *)pcm_mixer, &min, &max);
- snd_mixer_selem_get_playback_volume((snd_mixer_elem_t *)pcm_mixer, SND_MIXER_SCHN_MONO, &vol);
- snd_mixer_selem_get_playback_switch(mas_mixer, SND_MIXER_SCHN_MONO, &mute);
-
- if (vol_info)
- snd_mixer_selem_id_free(vol_info);
- if (mute_info)
- snd_mixer_selem_id_free(mute_info);
- if (handle)
- snd_mixer_close(handle);
- if (!mute)
- return smprintf("mute");
- else
- return smprintf("%d%%", (vol * 100) / max);
+ 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_id_free(s_elem);
+ snd_mixer_close(handle);
+
+ return smprintf("%d", (vol * 100) / max);
}
static char *
