4 This file is part of PulseAudio.
6 Copyright 2006 Lennart Poettering
8 PulseAudio is free software; you can redistribute it and/or modify
9 it under the terms of the GNU Lesser General Public License as published
10 by the Free Software Foundation; either version 2 of the License,
11 or (at your option) any later version.
13 PulseAudio is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with PulseAudio; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
28 #include <pulse/xmalloc.h>
29 #include <pulse/timeval.h>
31 #include <pulsecore/core.h>
32 #include <pulsecore/sink-input.h>
33 #include <pulsecore/source-output.h>
34 #include <pulsecore/modargs.h>
35 #include <pulsecore/log.h>
36 #include <pulsecore/namereg.h>
38 #include "module-suspend-on-idle-symdef.h"
40 PA_MODULE_AUTHOR("Lennart Poettering");
41 PA_MODULE_DESCRIPTION("When a sink/source is idle for too long, suspend it");
42 PA_MODULE_VERSION(PACKAGE_VERSION);
43 PA_MODULE_LOAD_ONCE(TRUE);
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_slot,
68 *source_output_move_slot,
69 *sink_input_state_changed_slot,
70 *source_output_state_changed_slot;
74 struct userdata *userdata;
77 struct timeval last_use;
78 pa_time_event *time_event;
81 static void timeout_cb(pa_mainloop_api*a, pa_time_event* e, const struct timeval *tv, void *userdata) {
82 struct device_info *d = userdata;
86 d->userdata->core->mainloop->time_restart(d->time_event, NULL);
88 if (d->sink && pa_sink_used_by(d->sink) <= 0 && pa_sink_get_state(d->sink) != PA_SINK_SUSPENDED) {
89 pa_log_info("Sink %s idle for too long, suspending ...", d->sink->name);
90 pa_sink_suspend(d->sink, TRUE);
93 if (d->source && pa_source_used_by(d->source) <= 0 && pa_source_get_state(d->source) != PA_SOURCE_SUSPENDED) {
94 pa_log_info("Source %s idle for too long, suspending ...", d->source->name);
95 pa_source_suspend(d->source, TRUE);
99 static void restart(struct device_info *d) {
103 pa_gettimeofday(&tv);
105 pa_timeval_add(&tv, d->userdata->timeout*1000000);
106 d->userdata->core->mainloop->time_restart(d->time_event, &tv);
109 pa_log_debug("Sink %s becomes idle.", d->sink->name);
111 pa_log_debug("Source %s becomes idle.", d->source->name);
114 static void resume(struct device_info *d) {
117 d->userdata->core->mainloop->time_restart(d->time_event, NULL);
120 pa_sink_suspend(d->sink, FALSE);
122 pa_log_debug("Sink %s becomes busy.", d->sink->name);
126 pa_source_suspend(d->source, FALSE);
128 pa_log_debug("Source %s becomes busy.", d->source->name);
132 static pa_hook_result_t sink_input_fixate_hook_cb(pa_core *c, pa_sink_input_new_data *data, struct userdata *u) {
133 struct device_info *d;
139 if ((d = pa_hashmap_get(u->device_infos, data->sink)))
145 static pa_hook_result_t source_output_fixate_hook_cb(pa_core *c, pa_source_output_new_data *data, struct userdata *u) {
146 struct device_info *d;
152 if ((d = pa_hashmap_get(u->device_infos, data->source)))
158 static pa_hook_result_t sink_input_unlink_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
160 pa_sink_input_assert_ref(s);
163 if (pa_sink_used_by(s->sink) <= 0) {
164 struct device_info *d;
165 if ((d = pa_hashmap_get(u->device_infos, s->sink)))
172 static pa_hook_result_t source_output_unlink_hook_cb(pa_core *c, pa_source_output *s, struct userdata *u) {
174 pa_source_output_assert_ref(s);
177 if (pa_source_used_by(s->source) <= 0) {
178 struct device_info *d;
179 if ((d = pa_hashmap_get(u->device_infos, s->source)))
186 static pa_hook_result_t sink_input_move_hook_cb(pa_core *c, pa_sink_input_move_hook_data *data, struct userdata *u) {
187 struct device_info *d;
193 if ((d = pa_hashmap_get(u->device_infos, data->destination)))
196 if (pa_sink_used_by(data->sink_input->sink) <= 1)
197 if ((d = pa_hashmap_get(u->device_infos, data->sink_input->sink)))
203 static pa_hook_result_t source_output_move_hook_cb(pa_core *c, pa_source_output_move_hook_data *data, struct userdata *u) {
204 struct device_info *d;
210 if ((d = pa_hashmap_get(u->device_infos, data->destination)))
213 if (pa_source_used_by(data->source_output->source) <= 1)
214 if ((d = pa_hashmap_get(u->device_infos, data->source_output->source)))
220 static pa_hook_result_t sink_input_state_changed_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
221 struct device_info *d;
222 pa_sink_input_state_t state;
224 pa_sink_input_assert_ref(s);
227 state = pa_sink_input_get_state(s);
228 if (state == PA_SINK_INPUT_RUNNING || state == PA_SINK_INPUT_DRAINED)
229 if ((d = pa_hashmap_get(u->device_infos, s->sink)))
235 static pa_hook_result_t source_output_state_changed_hook_cb(pa_core *c, pa_source_output *s, struct userdata *u) {
236 struct device_info *d;
237 pa_source_output_state_t state;
239 pa_source_output_assert_ref(s);
242 state = pa_source_output_get_state(s);
243 if (state == PA_SOURCE_OUTPUT_RUNNING)
244 if ((d = pa_hashmap_get(u->device_infos, s->source)))
250 static pa_hook_result_t device_new_hook_cb(pa_core *c, pa_object *o, struct userdata *u) {
251 struct device_info *d;
256 pa_object_assert_ref(o);
259 source = pa_source_isinstance(o) ? PA_SOURCE(o) : NULL;
260 sink = pa_sink_isinstance(o) ? PA_SINK(o) : NULL;
262 pa_assert(source || sink);
264 d = pa_xnew(struct device_info, 1);
266 d->source = source ? pa_source_ref(source) : NULL;
267 d->sink = sink ? pa_sink_ref(sink) : NULL;
268 d->time_event = c->mainloop->time_new(c->mainloop, NULL, timeout_cb, d);
269 pa_hashmap_put(u->device_infos, o, d);
271 if ((d->sink && pa_sink_used_by(d->sink) <= 0) ||
272 (d->source && pa_source_used_by(d->source) <= 0))
278 static void device_info_free(struct device_info *d) {
282 pa_source_unref(d->source);
284 pa_sink_unref(d->sink);
286 d->userdata->core->mainloop->time_free(d->time_event);
291 static pa_hook_result_t device_unlink_hook_cb(pa_core *c, pa_object *o, struct userdata *u) {
292 struct device_info *d;
295 pa_object_assert_ref(o);
298 if ((d = pa_hashmap_remove(u->device_infos, o)))
304 static pa_hook_result_t device_state_changed_hook_cb(pa_core *c, pa_object *o, struct userdata *u) {
305 struct device_info *d;
308 pa_object_assert_ref(o);
311 if (!(d = pa_hashmap_get(u->device_infos, o)))
314 if (pa_sink_isinstance(o)) {
315 pa_sink *s = PA_SINK(o);
316 pa_sink_state_t state = pa_sink_get_state(s);
318 if (pa_sink_used_by(s) <= 0) {
320 if (PA_SINK_IS_OPENED(state))
325 } else if (pa_source_isinstance(o)) {
326 pa_source *s = PA_SOURCE(o);
327 pa_source_state_t state = pa_source_get_state(s);
329 if (pa_source_used_by(s) <= 0) {
331 if (PA_SOURCE_IS_OPENED(state))
339 int pa__init(pa_module*m) {
340 pa_modargs *ma = NULL;
342 uint32_t timeout = 1;
349 if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
350 pa_log("Failed to parse module arguments.");
354 if (pa_modargs_get_value_u32(ma, "timeout", &timeout) < 0) {
355 pa_log("Failed to parse timeout value.");
359 m->userdata = u = pa_xnew(struct userdata, 1);
361 u->timeout = timeout;
362 u->device_infos = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
364 for (sink = pa_idxset_first(m->core->sinks, &idx); sink; sink = pa_idxset_next(m->core->sinks, &idx))
365 device_new_hook_cb(m->core, PA_OBJECT(sink), u);
367 for (source = pa_idxset_first(m->core->sources, &idx); source; source = pa_idxset_next(m->core->sources, &idx))
368 device_new_hook_cb(m->core, PA_OBJECT(source), u);
370 u->sink_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_PUT], (pa_hook_cb_t) device_new_hook_cb, u);
371 u->source_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_PUT], (pa_hook_cb_t) device_new_hook_cb, u);
372 u->sink_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], (pa_hook_cb_t) device_unlink_hook_cb, u);
373 u->source_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK_POST], (pa_hook_cb_t) device_unlink_hook_cb, u);
374 u->sink_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], (pa_hook_cb_t) device_state_changed_hook_cb, u);
375 u->source_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_STATE_CHANGED], (pa_hook_cb_t) device_state_changed_hook_cb, u);
377 u->sink_input_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_FIXATE], (pa_hook_cb_t) sink_input_fixate_hook_cb, u);
378 u->source_output_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE], (pa_hook_cb_t) source_output_fixate_hook_cb, u);
379 u->sink_input_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_UNLINK_POST], (pa_hook_cb_t) sink_input_unlink_hook_cb, u);
380 u->source_output_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK_POST], (pa_hook_cb_t) source_output_unlink_hook_cb, u);
381 u->sink_input_move_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE], (pa_hook_cb_t) sink_input_move_hook_cb, u);
382 u->source_output_move_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE], (pa_hook_cb_t) source_output_move_hook_cb, u);
383 u->sink_input_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED], (pa_hook_cb_t) sink_input_state_changed_hook_cb, u);
384 u->source_output_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED], (pa_hook_cb_t) source_output_state_changed_hook_cb, u);
397 void pa__done(pa_module*m) {
399 struct device_info *d;
408 if (u->sink_new_slot)
409 pa_hook_slot_free(u->sink_new_slot);
410 if (u->sink_unlink_slot)
411 pa_hook_slot_free(u->sink_unlink_slot);
412 if (u->sink_state_changed_slot)
413 pa_hook_slot_free(u->sink_state_changed_slot);
415 if (u->source_new_slot)
416 pa_hook_slot_free(u->source_new_slot);
417 if (u->source_unlink_slot)
418 pa_hook_slot_free(u->source_unlink_slot);
419 if (u->source_state_changed_slot)
420 pa_hook_slot_free(u->source_state_changed_slot);
422 if (u->sink_input_new_slot)
423 pa_hook_slot_free(u->sink_input_new_slot);
424 if (u->sink_input_unlink_slot)
425 pa_hook_slot_free(u->sink_input_unlink_slot);
426 if (u->sink_input_move_slot)
427 pa_hook_slot_free(u->sink_input_move_slot);
428 if (u->sink_input_state_changed_slot)
429 pa_hook_slot_free(u->sink_input_state_changed_slot);
431 if (u->source_output_new_slot)
432 pa_hook_slot_free(u->source_output_new_slot);
433 if (u->source_output_unlink_slot)
434 pa_hook_slot_free(u->source_output_unlink_slot);
435 if (u->source_output_move_slot)
436 pa_hook_slot_free(u->source_output_move_slot);
437 if (u->source_output_state_changed_slot)
438 pa_hook_slot_free(u->source_output_state_changed_slot);
440 while ((d = pa_hashmap_steal_first(u->device_infos)))
443 pa_hashmap_free(u->device_infos, NULL, NULL);