-// vim:ts=8:expandtab
+// vim:ts=4:sw=4:expandtab
#include <time.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
+#include <err.h>
+#include <ctype.h>
#include <yajl/yajl_gen.h>
#include <yajl/yajl_version.h>
#ifdef __OpenBSD__
#include <fcntl.h>
#include <unistd.h>
-#include <soundcard.h>
+#include <sys/audioio.h>
+#include <sys/ioctl.h>
#endif
#include "i3status.h"
#include "queue.h"
-#ifdef LINUX
-struct mixer_hdl {
- char *device;
- char *mixer;
- int mixer_idx;
- snd_mixer_selem_id_t *sid;
- snd_mixer_t *m;
- snd_mixer_elem_t *elem;
- long min;
- long max;
-
- TAILQ_ENTRY(mixer_hdl) handles;
-};
-
-TAILQ_HEAD(handles_head, mixer_hdl) cached = TAILQ_HEAD_INITIALIZER(cached);
-
-static void free_hdl(struct mixer_hdl *hdl) {
- free(hdl->device);
- free(hdl->mixer);
- free(hdl);
+static char *apply_volume_format(const char *fmt, char *outwalk, int ivolume) {
+ const char *walk = fmt;
+
+ for (; *walk != '\0'; walk++) {
+ if (*walk != '%') {
+ *(outwalk++) = *walk;
+ continue;
+ }
+ if (BEGINS_WITH(walk + 1, "%")) {
+ outwalk += sprintf(outwalk, "%s", pct_mark);
+ walk += strlen("%");
+ }
+ if (BEGINS_WITH(walk + 1, "volume")) {
+ outwalk += sprintf(outwalk, "%d%s", ivolume, pct_mark);
+ walk += strlen("volume");
+ }
+ }
+ return outwalk;
}
-#endif
-void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *device, const char *mixer, int mixer_idx) {
- char *outwalk = buffer;
- int pbval = 1;
+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);
+ /* Printing volume works with ALSA and PulseAudio at the moment */
+ if (output_format == O_I3BAR) {
+ char *instance;
+ asprintf(&instance, "%s.%s.%d", device, mixer, mixer_idx);
+ INSTANCE(instance);
+ free(instance);
+ }
+
+#ifndef __OpenBSD__
+ /* Try PulseAudio first */
+
+ /* If the device name has the format "pulse[:N]" where N is the
+ * index of the PulseAudio sink then force PulseAudio, optionally
+ * overriding the default sink */
+ if (!strncasecmp(device, "pulse", strlen("pulse"))) {
+ uint32_t sink_idx = device[strlen("pulse")] == ':' ? (uint32_t)atoi(device + strlen("pulse:")) : DEFAULT_SINK_INDEX;
+ const char *sink_name = device[strlen("pulse")] == ':' &&
+ !isdigit(device[strlen("pulse:")])
+ ? device + strlen("pulse:")
+ : NULL;
+ int cvolume = pulse_initialize() ? volume_pulseaudio(sink_idx, sink_name) : 0;
+ int ivolume = DECOMPOSE_VOLUME(cvolume);
+ bool muted = DECOMPOSE_MUTED(cvolume);
+ if (muted) {
+ START_COLOR("color_degraded");
+ pbval = 0;
+ }
+ /* negative result means error, stick to 0 */
+ if (ivolume < 0)
+ ivolume = 0;
+ outwalk = apply_volume_format(muted ? fmt_muted : fmt,
+ outwalk,
+ ivolume);
+ goto out;
+ } else if (!strcasecmp(device, "default") && pulse_initialize()) {
+ /* no device specified or "default" set */
+ int cvolume = volume_pulseaudio(DEFAULT_SINK_INDEX, NULL);
+ int ivolume = DECOMPOSE_VOLUME(cvolume);
+ bool muted = DECOMPOSE_MUTED(cvolume);
+ if (ivolume >= 0) {
+ if (muted) {
+ START_COLOR("color_degraded");
+ pbval = 0;
+ }
+ outwalk = apply_volume_format(muted ? fmt_muted : fmt,
+ outwalk,
+ ivolume);
+ goto out;
}
+ /* negative result means error, fail PulseAudio attempt */
+ }
+/* If some other device was specified or PulseAudio is not detected,
+ * proceed to ALSA / OSS */
+#endif
+
#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_bad");
- 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");
- }
- }
+ 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);
+
#endif
#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
- char mixerpath[] = "/dev/mixer";
- int mixfd, vol, devmask = 0;
-
- 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;
-
- const char *walk = fmt;
- for (; *walk != '\0'; walk++) {
- if (*walk != '%') {
- *(outwalk++) = *walk;
- continue;
- }
- if (BEGINS_WITH(walk+1, "volume")) {
- outwalk += sprintf(outwalk, "%d%%", vol & 0x7f);
- walk += strlen("volume");
- }
- }
- close(mixfd);
+ 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) {
+#if defined(__OpenBSD__)
+ warn("audioio: Cannot open mixer");
+#else
+ warn("OSS: Cannot open mixer");
#endif
+ goto out;
+ }
+
+ if (mixer_idx > 0)
+ free(mixerpath);
+
+#if defined(__OpenBSD__)
+ int oclass_idx = -1, master_idx = -1, master_mute_idx = -1;
+ int master_next = AUDIO_MIXER_LAST;
+ mixer_devinfo_t devinfo, devinfo2;
+ mixer_ctrl_t vinfo;
+
+ devinfo.index = 0;
+ while (ioctl(mixfd, AUDIO_MIXER_DEVINFO, &devinfo) >= 0) {
+ if (devinfo.type != AUDIO_MIXER_CLASS) {
+ devinfo.index++;
+ continue;
+ }
+ if (strncmp(devinfo.label.name, AudioCoutputs, MAX_AUDIO_DEV_LEN) == 0)
+ oclass_idx = devinfo.index;
+
+ devinfo.index++;
+ }
+
+ devinfo2.index = 0;
+ while (ioctl(mixfd, AUDIO_MIXER_DEVINFO, &devinfo2) >= 0) {
+ if ((devinfo2.type == AUDIO_MIXER_VALUE) && (devinfo2.mixer_class == oclass_idx) && (strncmp(devinfo2.label.name, AudioNmaster, MAX_AUDIO_DEV_LEN) == 0)) {
+ master_idx = devinfo2.index;
+ master_next = devinfo2.next;
+ }
+
+ if ((devinfo2.type == AUDIO_MIXER_ENUM) && (devinfo2.mixer_class == oclass_idx) && (strncmp(devinfo2.label.name, AudioNmute, MAX_AUDIO_DEV_LEN) == 0))
+ if (master_next == devinfo2.index)
+ master_mute_idx = devinfo2.index;
- *outwalk = '\0';
- OUTPUT_FULL_TEXT(buffer);
+ if (master_next != AUDIO_MIXER_LAST)
+ master_next = devinfo2.next;
+ devinfo2.index++;
+ }
+
+ if (master_idx == -1)
+ goto out;
+
+ devinfo.index = master_idx;
+ if (ioctl(mixfd, AUDIO_MIXER_DEVINFO, &devinfo) == -1)
+ goto out;
+
+ vinfo.dev = master_idx;
+ vinfo.type = AUDIO_MIXER_VALUE;
+ vinfo.un.value.num_channels = devinfo.un.v.num_channels;
+ if (ioctl(mixfd, AUDIO_MIXER_READ, &vinfo) == -1)
+ goto out;
+
+ if (AUDIO_MAX_GAIN != 100) {
+ float avgf = ((float)vinfo.un.value.level[AUDIO_MIXER_LEVEL_MONO] / AUDIO_MAX_GAIN) * 100;
+ vol = (int)avgf;
+ vol = (avgf - vol < 0.5 ? vol : (vol + 1));
+ } else {
+ vol = (int)vinfo.un.value.level[AUDIO_MIXER_LEVEL_MONO];
+ }
+
+ vinfo.dev = master_mute_idx;
+ vinfo.type = AUDIO_MIXER_ENUM;
+ if (ioctl(mixfd, AUDIO_MIXER_READ, &vinfo) == -1)
+ goto out;
+
+ if (master_mute_idx != -1 && vinfo.un.ord) {
+ START_COLOR("color_degraded");
+ fmt = fmt_muted;
+ pbval = 0;
+ }
+
+#else
+ if (ioctl(mixfd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1) {
+ warn("OSS: Cannot read mixer information");
+ goto out;
+ }
+ if (ioctl(mixfd, MIXER_READ(0), &vol) == -1) {
+ warn("OSS: Cannot read mixer information");
+ goto out;
+ }
+
+ if (((vol & 0x7f) == 0) && (((vol >> 8) & 0x7f) == 0)) {
+ START_COLOR("color_degraded");
+ pbval = 0;
+ }
+
+#endif
+ outwalk = apply_volume_format(fmt, outwalk, vol & 0x7f);
+ close(mixfd);
+#endif
- if (!pbval)
- END_COLOR;
+out:
+ *outwalk = '\0';
+ if (!pbval)
+ END_COLOR;
+ OUTPUT_FULL_TEXT(buffer);
}
projects / i3 / i3status / blobdiff