device = "pulse:N"
-where N is the index of the PulseAudio sink. If no sink is specified the
-default is used. If the device string is missing or is set to "default",
-PulseAudio will be tried if detected and will fallback to ALSA (Linux)
-or OSS (FreeBSD/OpenBSD).
+where N is the index or name of the PulseAudio sink. You can obtain the name of
+the sink with the following command:
+
+ $ pacmd list-sinks | grep name:
+ name: <alsa_output.pci-0000_00_14.2.analog-stereo>
+
+The name is what's inside the angle brackets, not including them. If no sink is
+specified the default sink is used. If the device string is missing or is set
+to "default", PulseAudio will be tried if detected and will fallback to ALSA
+(Linux) or OSS (FreeBSD/OpenBSD).
*Example order*: +volume master+
device = "pulse:1"
}
-------------------------------------------------------------
+-------------------------------------------------------------
+volume master {
+ format = "♪: %volume"
+ format_muted = "♪: muted (%volume)"
+ device = "pulse:alsa_output.pci-0000_00_14.2.analog-stereo"
+}
+-------------------------------------------------------------
== Universal module options
#include <stdlib.h>
#include <stdio.h>
#include <err.h>
+#include <ctype.h>
#include <yajl/yajl_gen.h>
#include <yajl/yajl_version.h>
* index of the PulseAudio sink then force PulseAudio, optionally
* overriding the default sink */
if (!strncasecmp(device, "pulse", strlen("pulse"))) {
- uint32_t sink_idx = device[5] == ':' ? (uint32_t)atoi(device + 6)
- : DEFAULT_SINK_INDEX;
- int cvolume = pulse_initialize() ? volume_pulseaudio(sink_idx) : 0;
+ 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) {
goto out;
} else if (!strcasecmp(device, "default") && pulse_initialize()) {
/* no device specified or "default" set */
- int cvolume = volume_pulseaudio(DEFAULT_SINK_INDEX);
+ int cvolume = volume_pulseaudio(DEFAULT_SINK_INDEX, NULL);
int ivolume = DECOMPOSE_VOLUME(cvolume);
bool muted = DECOMPOSE_MUTED(cvolume);
if (ivolume >= 0) {
#define APP_ID "org.i3wm"
typedef struct indexed_volume_s {
+ char *name;
uint32_t idx;
int volume;
TAILQ_ENTRY(indexed_volume_s) entries;
* save the volume for the specified sink index
* returning true if the value was changed
*/
-static bool save_volume(uint32_t sink_idx, int new_volume) {
+static bool save_volume(uint32_t sink_idx, int new_volume, const char *name) {
pthread_mutex_lock(&pulse_mutex);
indexed_volume_t *entry;
TAILQ_FOREACH(entry, &cached_volume, entries) {
- if (entry->idx == sink_idx) {
- const bool changed = (new_volume != entry->volume);
- entry->volume = new_volume;
- pthread_mutex_unlock(&pulse_mutex);
- return changed;
+ if (name) {
+ if (!entry->name || strcmp(entry->name, name)) {
+ continue;
+ }
+ } else {
+ if (entry->idx != sink_idx) {
+ continue;
+ }
}
+ const bool changed = (new_volume != entry->volume);
+ entry->volume = new_volume;
+ pthread_mutex_unlock(&pulse_mutex);
+ return changed;
}
/* index not found, store it */
entry = malloc(sizeof(*entry));
TAILQ_INSERT_HEAD(&cached_volume, entry, entries);
entry->idx = sink_idx;
entry->volume = new_volume;
+ if (name) {
+ entry->name = malloc(strlen(name) + 1);
+ strcpy(entry->name, name);
+ } else {
+ entry->name = NULL;
+ }
pthread_mutex_unlock(&pulse_mutex);
return true;
}
* DEFAULT_SINK_INDEX as the index, and another with its proper value
* (using bitwise OR to avoid early-out logic) */
if ((info->index == default_sink_idx &&
- save_volume(DEFAULT_SINK_INDEX, composed_volume)) |
- save_volume(info->index, composed_volume)) {
+ save_volume(DEFAULT_SINK_INDEX, composed_volume, NULL)) |
+ save_volume(info->index, composed_volume, info->name)) {
/* if the volume or mute flag changed, wake the main thread */
pthread_kill(main_thread, SIGUSR1);
}
}
-static void get_sink_info(pa_context *c, uint32_t idx) {
- pa_operation *o =
- idx == DEFAULT_SINK_INDEX ? pa_context_get_sink_info_by_name(
- c, "@DEFAULT_SINK@", store_volume_from_sink_cb, NULL)
- : pa_context_get_sink_info_by_index(
- c, idx, store_volume_from_sink_cb, NULL);
- pulseaudio_free_operation(c, o);
+static void get_sink_info(pa_context *c, uint32_t idx, const char *name) {
+ pa_operation *o;
+
+ if (name || idx == DEFAULT_SINK_INDEX) {
+ o = pa_context_get_sink_info_by_name(
+ c, name ? name : "@DEFAULT_SINK@", store_volume_from_sink_cb, NULL);
+ } else {
+ o = pa_context_get_sink_info_by_index(
+ c, idx, store_volume_from_sink_cb, NULL);
+ }
+ if (o) {
+ pulseaudio_free_operation(c, o);
+ }
}
static void store_default_sink_cb(pa_context *c,
update_default_sink(c);
break;
case PA_SUBSCRIPTION_EVENT_SINK:
- get_sink_info(c, idx);
+ get_sink_info(c, idx, NULL);
break;
default:
break;
* returns the current volume in percent, which, as per PulseAudio,
* may be > 100%
*/
-int volume_pulseaudio(uint32_t sink_idx) {
+int volume_pulseaudio(uint32_t sink_idx, const char *sink_name) {
if (!context_ready || default_sink_idx == DEFAULT_SINK_INDEX)
return -1;
pthread_mutex_lock(&pulse_mutex);
const indexed_volume_t *entry;
TAILQ_FOREACH(entry, &cached_volume, entries) {
- if (entry->idx == sink_idx) {
- int vol = entry->volume;
- pthread_mutex_unlock(&pulse_mutex);
- return vol;
+ if (sink_name) {
+ if (!entry->name || strcmp(entry->name, sink_name)) {
+ continue;
+ }
+ } else {
+ if (entry->idx != sink_idx) {
+ continue;
+ }
}
+ int vol = entry->volume;
+ pthread_mutex_unlock(&pulse_mutex);
+ return vol;
}
pthread_mutex_unlock(&pulse_mutex);
/* first time requires a prime callback call because we only get
* updates when the volume actually changes, but we need it to
* be correct even if it never changes */
pa_threaded_mainloop_lock(main_loop);
- get_sink_info(context, sink_idx);
+ get_sink_info(context, sink_idx, sink_name);
pa_threaded_mainloop_unlock(main_loop);
/* show 0 while we don't have this information */
return 0;