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>
29 #include <pulsecore/core.h>
30 #include <pulsecore/core-util.h>
31 #include <pulsecore/sink-input.h>
32 #include <pulsecore/source-output.h>
33 #include <pulsecore/modargs.h>
34 #include <pulsecore/log.h>
35 #include <pulsecore/namereg.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);
44 static const char* const valid_modargs[] = {
52 pa_hashmap *device_infos;
58 *sink_state_changed_slot,
59 *source_state_changed_slot;
63 *source_output_new_slot,
64 *sink_input_unlink_slot,
65 *source_output_unlink_slot,
66 *sink_input_move_start_slot,
67 *source_output_move_start_slot,
68 *sink_input_move_finish_slot,
69 *source_output_move_finish_slot,
70 *sink_input_state_changed_slot,
71 *source_output_state_changed_slot;
75 struct userdata *userdata;
78 struct timeval last_use;
79 pa_time_event *time_event;
82 static void timeout_cb(pa_mainloop_api*a, pa_time_event* e, const struct timeval *tv, void *userdata) {
83 struct device_info *d = userdata;
87 d->userdata->core->mainloop->time_restart(d->time_event, NULL);
89 if (d->sink && pa_sink_check_suspend(d->sink) <= 0 && pa_sink_get_state(d->sink) != PA_SINK_SUSPENDED) {
90 pa_log_info("Sink %s idle for too long, suspending ...", d->sink->name);
91 pa_sink_suspend(d->sink, TRUE);
94 if (d->source && pa_source_check_suspend(d->source) <= 0 && pa_source_get_state(d->source) != PA_SOURCE_SUSPENDED) {
95 pa_log_info("Source %s idle for too long, suspending ...", d->source->name);
96 pa_source_suspend(d->source, TRUE);
100 static void restart(struct device_info *d) {
105 pa_assert(d->sink || d->source);
107 pa_gettimeofday(&tv);
110 s = pa_proplist_gets(d->sink ? d->sink->proplist : d->source->proplist, "module-suspend-on-idle.timeout");
111 if (!s || pa_atou(s, &timeout) < 0)
112 timeout = d->userdata->timeout;
114 pa_timeval_add(&tv, timeout * PA_USEC_PER_SEC);
116 d->userdata->core->mainloop->time_restart(d->time_event, &tv);
119 pa_log_debug("Sink %s becomes idle, timeout in %u seconds.", d->sink->name, timeout);
121 pa_log_debug("Source %s becomes idle, timeout in %u seconds.", d->source->name, timeout);
124 static void resume(struct device_info *d) {
127 d->userdata->core->mainloop->time_restart(d->time_event, NULL);
130 pa_sink_suspend(d->sink, FALSE);
132 pa_log_debug("Sink %s becomes busy.", d->sink->name);
136 pa_source_suspend(d->source, FALSE);
138 pa_log_debug("Source %s becomes busy.", d->source->name);
142 static pa_hook_result_t sink_input_fixate_hook_cb(pa_core *c, pa_sink_input_new_data *data, struct userdata *u) {
143 struct device_info *d;
149 if ((d = pa_hashmap_get(u->device_infos, data->sink)))
155 static pa_hook_result_t source_output_fixate_hook_cb(pa_core *c, pa_source_output_new_data *data, struct userdata *u) {
156 struct device_info *d;
162 if (data->source->monitor_of)
163 d = pa_hashmap_get(u->device_infos, data->source->monitor_of);
165 d = pa_hashmap_get(u->device_infos, data->source);
173 static pa_hook_result_t sink_input_unlink_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
175 pa_sink_input_assert_ref(s);
181 if (pa_sink_check_suspend(s->sink) <= 0) {
182 struct device_info *d;
183 if ((d = pa_hashmap_get(u->device_infos, s->sink)))
190 static pa_hook_result_t source_output_unlink_hook_cb(pa_core *c, pa_source_output *s, struct userdata *u) {
191 struct device_info *d = NULL;
194 pa_source_output_assert_ref(s);
200 if (s->source->monitor_of) {
201 if (pa_sink_check_suspend(s->source->monitor_of) <= 0)
202 d = pa_hashmap_get(u->device_infos, s->source->monitor_of);
204 if (pa_source_check_suspend(s->source) <= 0)
205 d = pa_hashmap_get(u->device_infos, s->source);
214 static pa_hook_result_t sink_input_move_start_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
215 struct device_info *d;
218 pa_sink_input_assert_ref(s);
221 if (pa_sink_check_suspend(s->sink) <= 1)
222 if ((d = pa_hashmap_get(u->device_infos, s->sink)))
228 static pa_hook_result_t sink_input_move_finish_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
229 struct device_info *d;
232 pa_sink_input_assert_ref(s);
235 if ((d = pa_hashmap_get(u->device_infos, s->sink)))
241 static pa_hook_result_t source_output_move_start_hook_cb(pa_core *c, pa_source_output *s, struct userdata *u) {
242 struct device_info *d = NULL;
245 pa_source_output_assert_ref(s);
248 if (s->source->monitor_of) {
249 if (pa_sink_check_suspend(s->source->monitor_of) <= 1)
250 d = pa_hashmap_get(u->device_infos, s->source->monitor_of);
252 if (pa_source_check_suspend(s->source) <= 1)
253 d = pa_hashmap_get(u->device_infos, s->source);
262 static pa_hook_result_t source_output_move_finish_hook_cb(pa_core *c, pa_source_output *s, struct userdata *u) {
263 struct device_info *d;
266 pa_source_output_assert_ref(s);
269 if (s->source->monitor_of)
270 d = pa_hashmap_get(u->device_infos, s->source->monitor_of);
272 d = pa_hashmap_get(u->device_infos, s->source);
280 static pa_hook_result_t sink_input_state_changed_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
281 struct device_info *d;
282 pa_sink_input_state_t state;
284 pa_sink_input_assert_ref(s);
287 state = pa_sink_input_get_state(s);
288 if (state == PA_SINK_INPUT_RUNNING || state == PA_SINK_INPUT_DRAINED)
289 if ((d = pa_hashmap_get(u->device_infos, s->sink)))
295 static pa_hook_result_t source_output_state_changed_hook_cb(pa_core *c, pa_source_output *s, struct userdata *u) {
296 pa_source_output_state_t state;
299 pa_source_output_assert_ref(s);
302 state = pa_source_output_get_state(s);
304 if (state == PA_SOURCE_OUTPUT_RUNNING) {
305 struct device_info *d;
307 if (s->source->monitor_of)
308 d = pa_hashmap_get(u->device_infos, s->source->monitor_of);
310 d = pa_hashmap_get(u->device_infos, s->source);
319 static pa_hook_result_t device_new_hook_cb(pa_core *c, pa_object *o, struct userdata *u) {
320 struct device_info *d;
325 pa_object_assert_ref(o);
328 source = pa_source_isinstance(o) ? PA_SOURCE(o) : NULL;
329 sink = pa_sink_isinstance(o) ? PA_SINK(o) : NULL;
331 /* Never suspend monitors */
332 if (source && source->monitor_of)
335 pa_assert(source || sink);
337 d = pa_xnew(struct device_info, 1);
339 d->source = source ? pa_source_ref(source) : NULL;
340 d->sink = sink ? pa_sink_ref(sink) : NULL;
341 d->time_event = c->mainloop->time_new(c->mainloop, NULL, timeout_cb, d);
342 pa_hashmap_put(u->device_infos, o, d);
344 if ((d->sink && pa_sink_check_suspend(d->sink) <= 0) ||
345 (d->source && pa_source_check_suspend(d->source) <= 0))
351 static void device_info_free(struct device_info *d) {
355 pa_source_unref(d->source);
357 pa_sink_unref(d->sink);
359 d->userdata->core->mainloop->time_free(d->time_event);
364 static pa_hook_result_t device_unlink_hook_cb(pa_core *c, pa_object *o, struct userdata *u) {
365 struct device_info *d;
368 pa_object_assert_ref(o);
371 if ((d = pa_hashmap_remove(u->device_infos, o)))
377 static pa_hook_result_t device_state_changed_hook_cb(pa_core *c, pa_object *o, struct userdata *u) {
378 struct device_info *d;
381 pa_object_assert_ref(o);
384 if (!(d = pa_hashmap_get(u->device_infos, o)))
387 if (pa_sink_isinstance(o)) {
388 pa_sink *s = PA_SINK(o);
389 pa_sink_state_t state = pa_sink_get_state(s);
391 if (pa_sink_check_suspend(s) <= 0) {
393 if (PA_SINK_IS_OPENED(state))
398 } else if (pa_source_isinstance(o)) {
399 pa_source *s = PA_SOURCE(o);
400 pa_source_state_t state = pa_source_get_state(s);
402 if (pa_source_check_suspend(s) <= 0) {
404 if (PA_SOURCE_IS_OPENED(state))
412 int pa__init(pa_module*m) {
413 pa_modargs *ma = NULL;
415 uint32_t timeout = 5;
422 if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
423 pa_log("Failed to parse module arguments.");
427 if (pa_modargs_get_value_u32(ma, "timeout", &timeout) < 0) {
428 pa_log("Failed to parse timeout value.");
432 m->userdata = u = pa_xnew(struct userdata, 1);
434 u->timeout = timeout;
435 u->device_infos = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
437 for (sink = pa_idxset_first(m->core->sinks, &idx); sink; sink = pa_idxset_next(m->core->sinks, &idx))
438 device_new_hook_cb(m->core, PA_OBJECT(sink), u);
440 for (source = pa_idxset_first(m->core->sources, &idx); source; source = pa_idxset_next(m->core->sources, &idx))
441 device_new_hook_cb(m->core, PA_OBJECT(source), u);
443 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);
444 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);
445 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);
446 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);
447 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);
448 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);
450 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);
451 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);
452 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);
453 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);
454 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);
455 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);
456 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);
457 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);
458 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);
459 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);
472 void pa__done(pa_module*m) {
474 struct device_info *d;
483 if (u->sink_new_slot)
484 pa_hook_slot_free(u->sink_new_slot);
485 if (u->sink_unlink_slot)
486 pa_hook_slot_free(u->sink_unlink_slot);
487 if (u->sink_state_changed_slot)
488 pa_hook_slot_free(u->sink_state_changed_slot);
490 if (u->source_new_slot)
491 pa_hook_slot_free(u->source_new_slot);
492 if (u->source_unlink_slot)
493 pa_hook_slot_free(u->source_unlink_slot);
494 if (u->source_state_changed_slot)
495 pa_hook_slot_free(u->source_state_changed_slot);
497 if (u->sink_input_new_slot)
498 pa_hook_slot_free(u->sink_input_new_slot);
499 if (u->sink_input_unlink_slot)
500 pa_hook_slot_free(u->sink_input_unlink_slot);
501 if (u->sink_input_move_start_slot)
502 pa_hook_slot_free(u->sink_input_move_start_slot);
503 if (u->sink_input_move_finish_slot)
504 pa_hook_slot_free(u->sink_input_move_finish_slot);
505 if (u->sink_input_state_changed_slot)
506 pa_hook_slot_free(u->sink_input_state_changed_slot);
508 if (u->source_output_new_slot)
509 pa_hook_slot_free(u->source_output_new_slot);
510 if (u->source_output_unlink_slot)
511 pa_hook_slot_free(u->source_output_unlink_slot);
512 if (u->source_output_move_start_slot)
513 pa_hook_slot_free(u->source_output_move_start_slot);
514 if (u->source_output_move_finish_slot)
515 pa_hook_slot_free(u->source_output_move_finish_slot);
516 if (u->source_output_state_changed_slot)
517 pa_hook_slot_free(u->source_output_state_changed_slot);
519 while ((d = pa_hashmap_steal_first(u->device_infos)))
522 pa_hashmap_free(u->device_infos, NULL, NULL);