- int err;
- snd_mixer_t *m;
- snd_mixer_selem_id_t *sid;
- snd_mixer_elem_t *elem;
- long min, max, val;
- int avg;
-
- if ((err = snd_mixer_open(&m, 0)) < 0) {
- fprintf(stderr, "i3status: ALSA: Cannot open mixer: %s\n", snd_strerror(err));
- goto out;
- }
-
- /* Attach this mixer handle to the given device */
- if ((err = snd_mixer_attach(m, device)) < 0) {
- fprintf(stderr, "i3status: ALSA: Cannot attach mixer to device: %s\n", snd_strerror(err));
- snd_mixer_close(m);
- goto out;
- }
-
- /* Register this mixer */
- if ((err = snd_mixer_selem_register(m, NULL, NULL)) < 0) {
- fprintf(stderr, "i3status: ALSA: snd_mixer_selem_register: %s\n", snd_strerror(err));
- snd_mixer_close(m);
- goto out;
- }
-
- if ((err = snd_mixer_load(m)) < 0) {
- fprintf(stderr, "i3status: ALSA: snd_mixer_load: %s\n", snd_strerror(err));
- snd_mixer_close(m);
- goto out;
- }
-
- snd_mixer_selem_id_malloc(&sid);
- if (sid == NULL) {
- snd_mixer_close(m);
- goto out;
- }
-
- /* Find the given mixer */
- snd_mixer_selem_id_set_index(sid, mixer_idx);
- snd_mixer_selem_id_set_name(sid, mixer);
- if (!(elem = snd_mixer_find_selem(m, sid))) {
- fprintf(stderr, "i3status: ALSA: Cannot find mixer %s (index %i)\n",
- snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
- snd_mixer_close(m);
- snd_mixer_selem_id_free(sid);
- goto out;
- }
-
- /* Get the volume range to convert the volume later */
- snd_mixer_selem_get_playback_volume_range(elem, &min, &max);
-
- snd_mixer_handle_events (m);
- snd_mixer_selem_get_playback_volume (elem, 0, &val);
- if (max != 100) {
- float avgf = ((float)val / max) * 100;
- avg = (int)avgf;
- avg = (avgf - avg < 0.5 ? avg : (avg+1));
- } else avg = (int)val;
-
- /* Check for mute */
- if (snd_mixer_selem_has_playback_switch(elem)) {
- if ((err = snd_mixer_selem_get_playback_switch(elem, 0, &pbval)) < 0)
- fprintf (stderr, "i3status: ALSA: playback_switch: %s\n", snd_strerror(err));
- if (!pbval) {
- START_COLOR("color_degraded");
- fmt = fmt_muted;
- }
- }
-
- snd_mixer_close(m);
- snd_mixer_selem_id_free(sid);
-
- const char *walk = fmt;
- for (; *walk != '\0'; walk++) {
- if (*walk != '%') {
- *(outwalk++) = *walk;
- continue;
- }
- if (BEGINS_WITH(walk+1, "%")) {
- outwalk += sprintf(outwalk, "%%");
- walk += strlen("%");
- }
- if (BEGINS_WITH(walk+1, "volume")) {
- outwalk += sprintf(outwalk, "%d%%", avg);
- walk += strlen("volume");
- }
- }
+ int err;
+ snd_mixer_t *m;
+ snd_mixer_selem_id_t *sid;
+ snd_mixer_elem_t *elem;
+ long min, max, val;
+ int avg;
+
+ if ((err = snd_mixer_open(&m, 0)) < 0) {
+ fprintf(stderr, "i3status: ALSA: Cannot open mixer: %s\n", snd_strerror(err));
+ goto out;
+ }
+
+ /* Attach this mixer handle to the given device */
+ if ((err = snd_mixer_attach(m, device)) < 0) {
+ fprintf(stderr, "i3status: ALSA: Cannot attach mixer to device: %s\n", snd_strerror(err));
+ snd_mixer_close(m);
+ goto out;
+ }
+
+ /* Register this mixer */
+ if ((err = snd_mixer_selem_register(m, NULL, NULL)) < 0) {
+ fprintf(stderr, "i3status: ALSA: snd_mixer_selem_register: %s\n", snd_strerror(err));
+ snd_mixer_close(m);
+ goto out;
+ }
+
+ if ((err = snd_mixer_load(m)) < 0) {
+ fprintf(stderr, "i3status: ALSA: snd_mixer_load: %s\n", snd_strerror(err));
+ snd_mixer_close(m);
+ goto out;
+ }
+
+ snd_mixer_selem_id_malloc(&sid);
+ if (sid == NULL) {
+ snd_mixer_close(m);
+ goto out;
+ }
+
+ /* Find the given mixer */
+ snd_mixer_selem_id_set_index(sid, mixer_idx);
+ snd_mixer_selem_id_set_name(sid, mixer);
+ if (!(elem = snd_mixer_find_selem(m, sid))) {
+ fprintf(stderr, "i3status: ALSA: Cannot find mixer %s (index %i)\n",
+ snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
+ snd_mixer_close(m);
+ snd_mixer_selem_id_free(sid);
+ goto out;
+ }
+
+ /* Get the volume range to convert the volume later */
+ snd_mixer_selem_get_playback_volume_range(elem, &min, &max);
+
+ snd_mixer_handle_events(m);
+ snd_mixer_selem_get_playback_volume(elem, 0, &val);
+ if (max != 100) {
+ float avgf = ((float)val / max) * 100;
+ avg = (int)avgf;
+ avg = (avgf - avg < 0.5 ? avg : (avg + 1));
+ } else
+ avg = (int)val;
+
+ /* Check for mute */
+ if (snd_mixer_selem_has_playback_switch(elem)) {
+ if ((err = snd_mixer_selem_get_playback_switch(elem, 0, &pbval)) < 0)
+ fprintf(stderr, "i3status: ALSA: playback_switch: %s\n", snd_strerror(err));
+ if (!pbval) {
+ START_COLOR("color_degraded");
+ fmt = fmt_muted;
+ }
+ }
+
+ snd_mixer_close(m);
+ snd_mixer_selem_id_free(sid);
+
+ outwalk = apply_volume_format(fmt, outwalk, avg);
+