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-rw-r--r--src/print_volume.c287
1 files changed, 144 insertions, 143 deletions
diff --git a/src/print_volume.c b/src/print_volume.c
index 93868e3..ef1c913 100644
--- a/src/print_volume.c
+++ b/src/print_volume.c
@@ -1,4 +1,4 @@
-// vim:ts=8:expandtab
+// vim:ts=4:sw=4:expandtab
#include <time.h>
#include <string.h>
#include <stdlib.h>
@@ -27,154 +27,155 @@
#include "queue.h"
void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *fmt_muted, const char *device, const char *mixer, int mixer_idx) {
- char *outwalk = buffer;
- int pbval = 1;
-
- /* Printing volume only works with ALSA at the moment */
- if (output_format == O_I3BAR) {
- char *instance;
- asprintf(&instance, "%s.%s.%d", device, mixer, mixer_idx);
- INSTANCE(instance);
- free(instance);
- }
+ char *outwalk = buffer;
+ int pbval = 1;
+
+ /* Printing volume only works with ALSA at the moment */
+ if (output_format == O_I3BAR) {
+ char *instance;
+ asprintf(&instance, "%s.%s.%d", device, mixer, mixer_idx);
+ INSTANCE(instance);
+ free(instance);
+ }
#ifdef LINUX
- 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);
+
+ 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");
+ }
+ }
#endif
#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
- char *mixerpath;
- char defaultmixer[] = "/dev/mixer";
- int mixfd, vol, devmask = 0;
- pbval = 1;
-
- if (mixer_idx > 0)
- asprintf(&mixerpath, "/dev/mixer%d", mixer_idx);
- else
- mixerpath = defaultmixer;
-
- if ((mixfd = open(mixerpath, O_RDWR)) < 0)
- return;
-
- if (mixer_idx > 0)
- free(mixerpath);
-
- 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)) {
- START_COLOR("color_degraded");
- pbval = 0;
+ char *mixerpath;
+ char defaultmixer[] = "/dev/mixer";
+ int mixfd, vol, devmask = 0;
+ pbval = 1;
+
+ if (mixer_idx > 0)
+ asprintf(&mixerpath, "/dev/mixer%d", mixer_idx);
+ else
+ mixerpath = defaultmixer;
+
+ if ((mixfd = open(mixerpath, O_RDWR)) < 0)
+ return;
+
+ if (mixer_idx > 0)
+ free(mixerpath);
+
+ 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)) {
+ START_COLOR("color_degraded");
+ pbval = 0;
+ }
+
+ const char *walk = fmt;
+ for (; *walk != '\0'; walk++) {
+ if (*walk != '%') {
+ *(outwalk++) = *walk;
+ continue;
}
-
- 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%%", vol & 0x7f);
- walk += strlen("volume");
- }
+ if (BEGINS_WITH(walk + 1, "%")) {
+ outwalk += sprintf(outwalk, "%%");
+ walk += strlen("%");
+ }
+ if (BEGINS_WITH(walk + 1, "volume")) {
+ outwalk += sprintf(outwalk, "%d%%", vol & 0x7f);
+ walk += strlen("volume");
}
- close(mixfd);
+ }
+ close(mixfd);
#endif
out:
- *outwalk = '\0';
- if (!pbval)
- END_COLOR;
- OUTPUT_FULL_TEXT(buffer);
+ *outwalk = '\0';
+ if (!pbval)
+ END_COLOR;
+ OUTPUT_FULL_TEXT(buffer);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 18:54:27 +0000