2 This file is part of PulseAudio.
4 Copyright 2006 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2.1 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
26 #include <pulse/xmalloc.h>
27 #include <pulse/timeval.h>
28 #include <pulse/rtclock.h>
30 #include <pulsecore/core.h>
31 #include <pulsecore/core-util.h>
32 #include <pulsecore/sink-input.h>
33 #include <pulsecore/source-output.h>
34 #include <pulsecore/modargs.h>
35 #include <pulsecore/log.h>
37 #include "module-suspend-on-idle-symdef.h"
39 PA_MODULE_AUTHOR("Lennart Poettering");
40 PA_MODULE_DESCRIPTION("When a sink/source is idle for too long, suspend it");
41 PA_MODULE_VERSION(PACKAGE_VERSION);
42 PA_MODULE_LOAD_ONCE(TRUE);
43 PA_MODULE_USAGE("timeout=<timeout>");
45 static const char* const valid_modargs[] = {
53 pa_hashmap *device_infos;
59 *sink_state_changed_slot,
60 *source_state_changed_slot;
64 *source_output_new_slot,
65 *sink_input_unlink_slot,
66 *source_output_unlink_slot,
67 *sink_input_move_start_slot,
68 *source_output_move_start_slot,
69 *sink_input_move_finish_slot,
70 *source_output_move_finish_slot,
71 *sink_input_state_changed_slot,
72 *source_output_state_changed_slot;
76 struct userdata *userdata;
80 pa_time_event *time_event;
83 static void timeout_cb(pa_mainloop_api*a, pa_time_event* e, const struct timeval *t, void *userdata) {
84 struct device_info *d = userdata;
88 d->userdata->core->mainloop->time_restart(d->time_event, NULL);
90 if (d->sink && pa_sink_check_suspend(d->sink) <= 0 && !(d->sink->suspend_cause & PA_SUSPEND_IDLE)) {
91 pa_log_info("Sink %s idle for too long, suspending ...", d->sink->name);
92 pa_sink_suspend(d->sink, TRUE, PA_SUSPEND_IDLE);
93 pa_core_maybe_vacuum(d->userdata->core);
96 if (d->source && pa_source_check_suspend(d->source) <= 0 && !(d->source->suspend_cause & PA_SUSPEND_IDLE)) {
97 pa_log_info("Source %s idle for too long, suspending ...", d->source->name);
98 pa_source_suspend(d->source, TRUE, PA_SUSPEND_IDLE);
99 pa_core_maybe_vacuum(d->userdata->core);
103 static void restart(struct device_info *d) {
109 pa_assert(d->sink || d->source);
111 d->last_use = now = pa_rtclock_now();
113 s = pa_proplist_gets(d->sink ? d->sink->proplist : d->source->proplist, "module-suspend-on-idle.timeout");
114 if (!s || pa_atou(s, &timeout) < 0)
115 timeout = d->userdata->timeout;
117 pa_core_rttime_restart(d->userdata->core, d->time_event, now + timeout * PA_USEC_PER_SEC);
120 pa_log_debug("Sink %s becomes idle, timeout in %u seconds.", d->sink->name, timeout);
122 pa_log_debug("Source %s becomes idle, timeout in %u seconds.", d->source->name, timeout);
125 static void resume(struct device_info *d) {
128 d->userdata->core->mainloop->time_restart(d->time_event, NULL);
131 pa_sink_suspend(d->sink, FALSE, PA_SUSPEND_IDLE);
133 pa_log_debug("Sink %s becomes busy.", d->sink->name);
137 pa_source_suspend(d->source, FALSE, PA_SUSPEND_IDLE);
139 pa_log_debug("Source %s becomes busy.", d->source->name);
143 static pa_hook_result_t sink_input_fixate_hook_cb(pa_core *c, pa_sink_input_new_data *data, struct userdata *u) {
144 struct device_info *d;
150 /* We need to resume the audio device here even for
151 * PA_SINK_INPUT_START_CORKED, since we need the device parameters
152 * to be fully available while the stream is set up. */
154 if ((d = pa_hashmap_get(u->device_infos, data->sink)))
160 static pa_hook_result_t source_output_fixate_hook_cb(pa_core *c, pa_source_output_new_data *data, struct userdata *u) {
161 struct device_info *d;
167 if (data->source->monitor_of)
168 d = pa_hashmap_get(u->device_infos, data->source->monitor_of);
170 d = pa_hashmap_get(u->device_infos, data->source);
178 static pa_hook_result_t sink_input_unlink_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
180 pa_sink_input_assert_ref(s);
186 if (pa_sink_check_suspend(s->sink) <= 0) {
187 struct device_info *d;
188 if ((d = pa_hashmap_get(u->device_infos, s->sink)))
195 static pa_hook_result_t source_output_unlink_hook_cb(pa_core *c, pa_source_output *s, struct userdata *u) {
196 struct device_info *d = NULL;
199 pa_source_output_assert_ref(s);
205 if (s->source->monitor_of) {
206 if (pa_sink_check_suspend(s->source->monitor_of) <= 0)
207 d = pa_hashmap_get(u->device_infos, s->source->monitor_of);
209 if (pa_source_check_suspend(s->source) <= 0)
210 d = pa_hashmap_get(u->device_infos, s->source);
219 static pa_hook_result_t sink_input_move_start_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
220 struct device_info *d;
223 pa_sink_input_assert_ref(s);
226 if (pa_sink_check_suspend(s->sink) <= 1)
227 if ((d = pa_hashmap_get(u->device_infos, s->sink)))
233 static pa_hook_result_t sink_input_move_finish_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
234 struct device_info *d;
235 pa_sink_input_state_t state;
238 pa_sink_input_assert_ref(s);
241 state = pa_sink_input_get_state(s);
242 if (state != PA_SINK_INPUT_RUNNING && state != PA_SINK_INPUT_DRAINED)
245 if ((d = pa_hashmap_get(u->device_infos, s->sink)))
251 static pa_hook_result_t source_output_move_start_hook_cb(pa_core *c, pa_source_output *s, struct userdata *u) {
252 struct device_info *d = NULL;
255 pa_source_output_assert_ref(s);
258 if (s->source->monitor_of) {
259 if (pa_sink_check_suspend(s->source->monitor_of) <= 1)
260 d = pa_hashmap_get(u->device_infos, s->source->monitor_of);
262 if (pa_source_check_suspend(s->source) <= 1)
263 d = pa_hashmap_get(u->device_infos, s->source);
272 static pa_hook_result_t source_output_move_finish_hook_cb(pa_core *c, pa_source_output *s, struct userdata *u) {
273 struct device_info *d;
276 pa_source_output_assert_ref(s);
279 if (pa_source_output_get_state(s) != PA_SOURCE_OUTPUT_RUNNING)
282 if (s->source->monitor_of)
283 d = pa_hashmap_get(u->device_infos, s->source->monitor_of);
285 d = pa_hashmap_get(u->device_infos, s->source);
293 static pa_hook_result_t sink_input_state_changed_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
294 struct device_info *d;
295 pa_sink_input_state_t state;
298 pa_sink_input_assert_ref(s);
301 state = pa_sink_input_get_state(s);
302 if (state == PA_SINK_INPUT_RUNNING || state == PA_SINK_INPUT_DRAINED)
303 if ((d = pa_hashmap_get(u->device_infos, s->sink)))
309 static pa_hook_result_t source_output_state_changed_hook_cb(pa_core *c, pa_source_output *s, struct userdata *u) {
311 pa_source_output_assert_ref(s);
314 if (pa_source_output_get_state(s) == PA_SOURCE_OUTPUT_RUNNING) {
315 struct device_info *d;
317 if (s->source->monitor_of)
318 d = pa_hashmap_get(u->device_infos, s->source->monitor_of);
320 d = pa_hashmap_get(u->device_infos, s->source);
329 static pa_hook_result_t device_new_hook_cb(pa_core *c, pa_object *o, struct userdata *u) {
330 struct device_info *d;
335 pa_object_assert_ref(o);
338 source = pa_source_isinstance(o) ? PA_SOURCE(o) : NULL;
339 sink = pa_sink_isinstance(o) ? PA_SINK(o) : NULL;
341 /* Never suspend monitors */
342 if (source && source->monitor_of)
345 pa_assert(source || sink);
347 d = pa_xnew(struct device_info, 1);
349 d->source = source ? pa_source_ref(source) : NULL;
350 d->sink = sink ? pa_sink_ref(sink) : NULL;
351 d->time_event = pa_core_rttime_new(c, PA_USEC_INVALID, timeout_cb, d);
352 pa_hashmap_put(u->device_infos, o, d);
354 if ((d->sink && pa_sink_check_suspend(d->sink) <= 0) ||
355 (d->source && pa_source_check_suspend(d->source) <= 0))
361 static void device_info_free(struct device_info *d) {
365 pa_source_unref(d->source);
367 pa_sink_unref(d->sink);
369 d->userdata->core->mainloop->time_free(d->time_event);
374 static pa_hook_result_t device_unlink_hook_cb(pa_core *c, pa_object *o, struct userdata *u) {
375 struct device_info *d;
378 pa_object_assert_ref(o);
381 if ((d = pa_hashmap_remove(u->device_infos, o)))
387 static pa_hook_result_t device_state_changed_hook_cb(pa_core *c, pa_object *o, struct userdata *u) {
388 struct device_info *d;
391 pa_object_assert_ref(o);
394 if (!(d = pa_hashmap_get(u->device_infos, o)))
397 if (pa_sink_isinstance(o)) {
398 pa_sink *s = PA_SINK(o);
399 pa_sink_state_t state = pa_sink_get_state(s);
401 if (pa_sink_check_suspend(s) <= 0)
402 if (PA_SINK_IS_OPENED(state))
405 } else if (pa_source_isinstance(o)) {
406 pa_source *s = PA_SOURCE(o);
407 pa_source_state_t state = pa_source_get_state(s);
409 if (pa_source_check_suspend(s) <= 0)
410 if (PA_SOURCE_IS_OPENED(state))
417 int pa__init(pa_module*m) {
418 pa_modargs *ma = NULL;
420 uint32_t timeout = 5;
427 if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
428 pa_log("Failed to parse module arguments.");
432 if (pa_modargs_get_value_u32(ma, "timeout", &timeout) < 0) {
433 pa_log("Failed to parse timeout value.");
437 m->userdata = u = pa_xnew(struct userdata, 1);
439 u->timeout = timeout;
440 u->device_infos = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
442 for (sink = pa_idxset_first(m->core->sinks, &idx); sink; sink = pa_idxset_next(m->core->sinks, &idx))
443 device_new_hook_cb(m->core, PA_OBJECT(sink), u);
445 for (source = pa_idxset_first(m->core->sources, &idx); source; source = pa_idxset_next(m->core->sources, &idx))
446 device_new_hook_cb(m->core, PA_OBJECT(source), u);
448 u->sink_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_PUT], PA_HOOK_NORMAL, (pa_hook_cb_t) device_new_hook_cb, u);
449 u->source_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_PUT], PA_HOOK_NORMAL, (pa_hook_cb_t) device_new_hook_cb, u);
450 u->sink_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], PA_HOOK_NORMAL, (pa_hook_cb_t) device_unlink_hook_cb, u);
451 u->source_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK_POST], PA_HOOK_NORMAL, (pa_hook_cb_t) device_unlink_hook_cb, u);
452 u->sink_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], PA_HOOK_NORMAL, (pa_hook_cb_t) device_state_changed_hook_cb, u);
453 u->source_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_STATE_CHANGED], PA_HOOK_NORMAL, (pa_hook_cb_t) device_state_changed_hook_cb, u);
455 u->sink_input_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_FIXATE], PA_HOOK_NORMAL, (pa_hook_cb_t) sink_input_fixate_hook_cb, u);
456 u->source_output_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE], PA_HOOK_NORMAL, (pa_hook_cb_t) source_output_fixate_hook_cb, u);
457 u->sink_input_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_UNLINK_POST], PA_HOOK_NORMAL, (pa_hook_cb_t) sink_input_unlink_hook_cb, u);
458 u->source_output_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK_POST], PA_HOOK_NORMAL, (pa_hook_cb_t) source_output_unlink_hook_cb, u);
459 u->sink_input_move_start_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_START], PA_HOOK_NORMAL, (pa_hook_cb_t) sink_input_move_start_hook_cb, u);
460 u->source_output_move_start_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_START], PA_HOOK_NORMAL, (pa_hook_cb_t) source_output_move_start_hook_cb, u);
461 u->sink_input_move_finish_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_FINISH], PA_HOOK_NORMAL, (pa_hook_cb_t) sink_input_move_finish_hook_cb, u);
462 u->source_output_move_finish_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FINISH], PA_HOOK_NORMAL, (pa_hook_cb_t) source_output_move_finish_hook_cb, u);
463 u->sink_input_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED], PA_HOOK_NORMAL, (pa_hook_cb_t) sink_input_state_changed_hook_cb, u);
464 u->source_output_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED], PA_HOOK_NORMAL, (pa_hook_cb_t) source_output_state_changed_hook_cb, u);
477 void pa__done(pa_module*m) {
479 struct device_info *d;
488 if (u->sink_new_slot)
489 pa_hook_slot_free(u->sink_new_slot);
490 if (u->sink_unlink_slot)
491 pa_hook_slot_free(u->sink_unlink_slot);
492 if (u->sink_state_changed_slot)
493 pa_hook_slot_free(u->sink_state_changed_slot);
495 if (u->source_new_slot)
496 pa_hook_slot_free(u->source_new_slot);
497 if (u->source_unlink_slot)
498 pa_hook_slot_free(u->source_unlink_slot);
499 if (u->source_state_changed_slot)
500 pa_hook_slot_free(u->source_state_changed_slot);
502 if (u->sink_input_new_slot)
503 pa_hook_slot_free(u->sink_input_new_slot);
504 if (u->sink_input_unlink_slot)
505 pa_hook_slot_free(u->sink_input_unlink_slot);
506 if (u->sink_input_move_start_slot)
507 pa_hook_slot_free(u->sink_input_move_start_slot);
508 if (u->sink_input_move_finish_slot)
509 pa_hook_slot_free(u->sink_input_move_finish_slot);
510 if (u->sink_input_state_changed_slot)
511 pa_hook_slot_free(u->sink_input_state_changed_slot);
513 if (u->source_output_new_slot)
514 pa_hook_slot_free(u->source_output_new_slot);
515 if (u->source_output_unlink_slot)
516 pa_hook_slot_free(u->source_output_unlink_slot);
517 if (u->source_output_move_start_slot)
518 pa_hook_slot_free(u->source_output_move_start_slot);
519 if (u->source_output_move_finish_slot)
520 pa_hook_slot_free(u->source_output_move_finish_slot);
521 if (u->source_output_state_changed_slot)
522 pa_hook_slot_free(u->source_output_state_changed_slot);
524 while ((d = pa_hashmap_steal_first(u->device_infos)))
527 pa_hashmap_free(u->device_infos, NULL, NULL);