-#ifdef LINUX
- /* Check if we already opened the mixer and get the handle
- * from cache if so */
- bool found = false;
- int err;
- struct mixer_hdl *hdl;
- TAILQ_FOREACH(hdl, &cached, handles) {
- if (strcmp(hdl->device, device) != 0 ||
- strcmp(hdl->mixer, mixer) != 0 ||
- hdl->mixer_idx != mixer_idx)
- continue;
- found = true;
- break;
- }
-
- if (!found) {
- if ((hdl = calloc(sizeof(struct mixer_hdl), 1)) == NULL)
- return;
-
- if ((hdl->device = strdup(device)) == NULL) {
- free(hdl);
- return;
- }
-
- if ((hdl->mixer = strdup(mixer)) == NULL) {
- free(hdl->device);
- free(hdl);
- return;
- }
-
- hdl->mixer_idx = mixer_idx;
- snd_mixer_selem_id_malloc(&(hdl->sid));
- if (hdl->sid == NULL) {
- free_hdl(hdl);
- return;
- }
-
- if ((err = snd_mixer_open(&(hdl->m), 0)) < 0) {
- fprintf(stderr, "i3status: ALSA: Cannot open mixer: %s\n", snd_strerror(err));
- free_hdl(hdl);
- return;
- }
-
- /* Attach this mixer handle to the given device */
- if ((err = snd_mixer_attach(hdl->m, device)) < 0) {
- fprintf(stderr, "i3status: ALSA: Cannot attach mixer to device: %s\n", snd_strerror(err));
- snd_mixer_close(hdl->m);
- free_hdl(hdl);
- return;
- }
-
- /* Register this mixer */
- if ((err = snd_mixer_selem_register(hdl->m, NULL, NULL)) < 0) {
- fprintf(stderr, "i3status: ALSA: snd_mixer_selem_register: %s\n", snd_strerror(err));
- snd_mixer_close(hdl->m);
- free_hdl(hdl);
- return;
- }
-
- if ((err = snd_mixer_load(hdl->m)) < 0) {
- fprintf(stderr, "i3status: ALSA: snd_mixer_load: %s\n", snd_strerror(err));
- snd_mixer_close(hdl->m);
- free_hdl(hdl);
- return;
- }
-
- /* Find the given mixer */
- snd_mixer_selem_id_set_index(hdl->sid, mixer_idx);
- snd_mixer_selem_id_set_name(hdl->sid, mixer);
- if (!(hdl->elem = snd_mixer_find_selem(hdl->m, hdl->sid))) {
- fprintf(stderr, "i3status: ALSA: Cannot find mixer %s (index %i)\n",
- snd_mixer_selem_id_get_name(hdl->sid), snd_mixer_selem_id_get_index(hdl->sid));
- snd_mixer_close(hdl->m);
- free_hdl(hdl);
- return;
- }
-
- /* Get the volume range to convert the volume later */
- snd_mixer_selem_get_playback_volume_range(hdl->elem, &(hdl->min), &(hdl->max));
- TAILQ_INSERT_TAIL(&cached, hdl, handles);
- }
-
- long val;
- snd_mixer_handle_events (hdl->m);
- snd_mixer_selem_get_playback_volume (hdl->elem, 0, &val);
- int avg;
- if (hdl->max != 100) {
- float avgf = ((float)val / hdl->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(hdl->elem)) {
- if ((err = snd_mixer_selem_get_playback_switch(hdl->elem, 0, &pbval)) < 0)
- fprintf (stderr, "i3status: ALSA: playback_switch: %s\n", snd_strerror(err));
- if (!pbval) {
- START_COLOR("color_degraded");
- avg = 0;
- }
- }
-
- const char *walk = fmt;
- for (; *walk != '\0'; walk++) {
- if (*walk != '%') {
- *(outwalk++) = *walk;
- continue;
- }
- if (BEGINS_WITH(walk+1, "volume")) {
- outwalk += sprintf(outwalk, "%d%%", avg);
- walk += strlen("volume");
- }
- }
-#endif
-#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
- char mixerpath[] = "/dev/mixer";
- int mixfd, vol, devmask = 0;
- pbval = 1;
-
- if ((mixfd = open(mixerpath, O_RDWR)) < 0)
- return;
- if (ioctl(mixfd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1)
- return;
- if (ioctl(mixfd, MIXER_READ(0),&vol) == -1)
- return;
-
- if (((vol & 0x7f) == 0) && (((vol >> 8) & 0x7f) == 0)) {