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module-suspend-on-idle: Allow suspending a sink when the monitor source becomes idle

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When monitor source becomes idle it may happen that monitored sink has no
uncorked inputs anymore and can now be suspended. To allow this, detect if state
is changed for monitor source and check state of monitored sink instead.

This change allows pulseaudio to suspend devices when pavucontrol volume meters
are disabled and corresponding peaks resampled streams are corked.

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/697>
This commit is contained in:
Igor V. Kovalenko 2022-05-09 21:43:25 +03:00 • committed by PulseAudio Marge Bot
parent a4e690bda5
commit bb5823a3c9
1 changed files with 11 additions and 2 deletions
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13
src/modules/module-suspend-on-idle.c
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@ -385,8 +385,17 @@ static pa_hook_result_t device_state_changed_hook_cb(pa_core *c, pa_object *o, s
pa_object_assert_ref(o);
pa_assert(u);
if (!(d = pa_hashmap_get(u->device_infos, o)))
return PA_HOOK_OK;
if (!(d = pa_hashmap_get(u->device_infos, o))) {
/* We never suspend monitor sources, therefore they are not in the map.
* Still, when monitor source becomes idle it may happen that monitored
* sink has no uncorked inputs anymore and can now be suspended.
*/
if (pa_source_isinstance(o) && PA_SOURCE(o)->monitor_of) {
pa_log_debug("State of monitor source '%s' has changed, checking state of monitored sink", PA_SOURCE(o)->name);
return device_state_changed_hook_cb(c, PA_OBJECT(PA_SOURCE(o)->monitor_of), u);
} else
return PA_HOOK_OK;
}
if (pa_sink_isinstance(o)) {
pa_sink *s = PA_SINK(o);