2 This file is part of PulseAudio.
4 Copyright 2004-2006 Lennart Poettering
5 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
7 PulseAudio is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as published
9 by the Free Software Foundation; either version 2.1 of the License,
10 or (at your option) any later version.
12 PulseAudio is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
29 #include <pulse/introspect.h>
30 #include <pulse/format.h>
31 #include <pulse/utf8.h>
32 #include <pulse/xmalloc.h>
33 #include <pulse/timeval.h>
34 #include <pulse/util.h>
35 #include <pulse/rtclock.h>
36 #include <pulse/internal.h>
38 #include <pulsecore/i18n.h>
39 #include <pulsecore/sink-input.h>
40 #include <pulsecore/namereg.h>
41 #include <pulsecore/core-util.h>
42 #include <pulsecore/sample-util.h>
43 #include <pulsecore/mix.h>
44 #include <pulsecore/core-subscribe.h>
45 #include <pulsecore/log.h>
46 #include <pulsecore/macro.h>
47 #include <pulsecore/play-memblockq.h>
48 #include <pulsecore/flist.h>
52 #define MAX_MIX_CHANNELS 32
53 #define MIX_BUFFER_LENGTH (pa_page_size())
54 #define ABSOLUTE_MIN_LATENCY (500)
55 #define ABSOLUTE_MAX_LATENCY (10*PA_USEC_PER_SEC)
56 #define DEFAULT_FIXED_LATENCY (250*PA_USEC_PER_MSEC)
58 PA_DEFINE_PUBLIC_CLASS(pa_sink, pa_msgobject);
60 struct pa_sink_volume_change {
64 PA_LLIST_FIELDS(pa_sink_volume_change);
67 struct set_state_data {
68 pa_sink_state_t state;
69 pa_suspend_cause_t suspend_cause;
72 static void sink_free(pa_object *s);
74 static void pa_sink_volume_change_push(pa_sink *s);
75 static void pa_sink_volume_change_flush(pa_sink *s);
76 static void pa_sink_volume_change_rewind(pa_sink *s, size_t nbytes);
78 pa_sink_new_data* pa_sink_new_data_init(pa_sink_new_data *data) {
82 data->proplist = pa_proplist_new();
83 data->ports = pa_hashmap_new_full(pa_idxset_string_hash_func, pa_idxset_string_compare_func, NULL, (pa_free_cb_t) pa_device_port_unref);
88 void pa_sink_new_data_set_name(pa_sink_new_data *data, const char *name) {
92 data->name = pa_xstrdup(name);
95 void pa_sink_new_data_set_sample_spec(pa_sink_new_data *data, const pa_sample_spec *spec) {
98 if ((data->sample_spec_is_set = !!spec))
99 data->sample_spec = *spec;
102 void pa_sink_new_data_set_channel_map(pa_sink_new_data *data, const pa_channel_map *map) {
105 if ((data->channel_map_is_set = !!map))
106 data->channel_map = *map;
109 void pa_sink_new_data_set_alternate_sample_rate(pa_sink_new_data *data, const uint32_t alternate_sample_rate) {
112 data->alternate_sample_rate_is_set = true;
113 data->alternate_sample_rate = alternate_sample_rate;
116 void pa_sink_new_data_set_avoid_resampling(pa_sink_new_data *data, bool avoid_resampling) {
119 data->avoid_resampling_is_set = true;
120 data->avoid_resampling = avoid_resampling;
123 void pa_sink_new_data_set_volume(pa_sink_new_data *data, const pa_cvolume *volume) {
126 if ((data->volume_is_set = !!volume))
127 data->volume = *volume;
130 void pa_sink_new_data_set_muted(pa_sink_new_data *data, bool mute) {
133 data->muted_is_set = true;
137 void pa_sink_new_data_set_port(pa_sink_new_data *data, const char *port) {
140 pa_xfree(data->active_port);
141 data->active_port = pa_xstrdup(port);
144 void pa_sink_new_data_done(pa_sink_new_data *data) {
147 pa_proplist_free(data->proplist);
150 pa_hashmap_free(data->ports);
152 pa_xfree(data->name);
153 pa_xfree(data->active_port);
156 /* Called from main context */
157 static void reset_callbacks(pa_sink *s) {
160 s->set_state_in_main_thread = NULL;
161 s->set_state_in_io_thread = NULL;
162 s->get_volume = NULL;
163 s->set_volume = NULL;
164 s->write_volume = NULL;
167 s->request_rewind = NULL;
168 s->update_requested_latency = NULL;
170 s->get_formats = NULL;
171 s->set_formats = NULL;
172 s->reconfigure = NULL;
175 /* Called from main context */
176 pa_sink* pa_sink_new(
178 pa_sink_new_data *data,
179 pa_sink_flags_t flags) {
183 char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
184 pa_source_new_data source_data;
190 pa_assert(data->name);
191 pa_assert_ctl_context();
193 s = pa_msgobject_new(pa_sink);
195 if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SINK, s, data->namereg_fail))) {
196 pa_log_debug("Failed to register name %s.", data->name);
201 pa_sink_new_data_set_name(data, name);
203 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_NEW], data) < 0) {
205 pa_namereg_unregister(core, name);
209 /* FIXME, need to free s here on failure */
211 pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver));
212 pa_return_null_if_fail(data->name && pa_utf8_valid(data->name) && data->name[0]);
214 pa_return_null_if_fail(data->sample_spec_is_set && pa_sample_spec_valid(&data->sample_spec));
216 if (!data->channel_map_is_set)
217 pa_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT));
219 pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map));
220 pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels);
222 /* FIXME: There should probably be a general function for checking whether
223 * the sink volume is allowed to be set, like there is for sink inputs. */
224 pa_assert(!data->volume_is_set || !(flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
226 if (!data->volume_is_set) {
227 pa_cvolume_reset(&data->volume, data->sample_spec.channels);
228 data->save_volume = false;
231 pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
232 pa_return_null_if_fail(pa_cvolume_compatible(&data->volume, &data->sample_spec));
234 if (!data->muted_is_set)
238 pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->card->proplist);
240 pa_device_init_description(data->proplist, data->card);
241 pa_device_init_icon(data->proplist, true);
242 pa_device_init_intended_roles(data->proplist);
244 if (!data->active_port) {
245 pa_device_port *p = pa_device_port_find_best(data->ports);
247 pa_sink_new_data_set_port(data, p->name);
250 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_FIXATE], data) < 0) {
252 pa_namereg_unregister(core, name);
256 s->parent.parent.free = sink_free;
257 s->parent.process_msg = pa_sink_process_msg;
260 s->state = PA_SINK_INIT;
263 s->suspend_cause = data->suspend_cause;
264 s->name = pa_xstrdup(name);
265 s->proplist = pa_proplist_copy(data->proplist);
266 s->driver = pa_xstrdup(pa_path_get_filename(data->driver));
267 s->module = data->module;
268 s->card = data->card;
270 s->priority = pa_device_init_priority(s->proplist);
272 s->sample_spec = data->sample_spec;
273 s->channel_map = data->channel_map;
274 s->default_sample_rate = s->sample_spec.rate;
276 if (data->alternate_sample_rate_is_set)
277 s->alternate_sample_rate = data->alternate_sample_rate;
279 s->alternate_sample_rate = s->core->alternate_sample_rate;
281 if (data->avoid_resampling_is_set)
282 s->avoid_resampling = data->avoid_resampling;
284 s->avoid_resampling = s->core->avoid_resampling;
286 s->inputs = pa_idxset_new(NULL, NULL);
288 s->input_to_master = NULL;
290 s->reference_volume = s->real_volume = data->volume;
291 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
292 s->base_volume = PA_VOLUME_NORM;
293 s->n_volume_steps = PA_VOLUME_NORM+1;
294 s->muted = data->muted;
295 s->refresh_volume = s->refresh_muted = false;
302 /* As a minor optimization we just steal the list instead of
304 s->ports = data->ports;
307 s->active_port = NULL;
308 s->save_port = false;
310 if (data->active_port)
311 if ((s->active_port = pa_hashmap_get(s->ports, data->active_port)))
312 s->save_port = data->save_port;
314 /* Hopefully the active port has already been assigned in the previous call
315 to pa_device_port_find_best, but better safe than sorry */
317 s->active_port = pa_device_port_find_best(s->ports);
320 s->port_latency_offset = s->active_port->latency_offset;
322 s->port_latency_offset = 0;
324 s->save_volume = data->save_volume;
325 s->save_muted = data->save_muted;
327 pa_silence_memchunk_get(
328 &core->silence_cache,
334 s->thread_info.rtpoll = NULL;
335 s->thread_info.inputs = pa_hashmap_new_full(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func, NULL,
336 (pa_free_cb_t) pa_sink_input_unref);
337 s->thread_info.soft_volume = s->soft_volume;
338 s->thread_info.soft_muted = s->muted;
339 s->thread_info.state = s->state;
340 s->thread_info.rewind_nbytes = 0;
341 s->thread_info.rewind_requested = false;
342 s->thread_info.max_rewind = 0;
343 s->thread_info.max_request = 0;
344 s->thread_info.requested_latency_valid = false;
345 s->thread_info.requested_latency = 0;
346 s->thread_info.min_latency = ABSOLUTE_MIN_LATENCY;
347 s->thread_info.max_latency = ABSOLUTE_MAX_LATENCY;
348 s->thread_info.fixed_latency = flags & PA_SINK_DYNAMIC_LATENCY ? 0 : DEFAULT_FIXED_LATENCY;
350 PA_LLIST_HEAD_INIT(pa_sink_volume_change, s->thread_info.volume_changes);
351 s->thread_info.volume_changes_tail = NULL;
352 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
353 s->thread_info.volume_change_safety_margin = core->deferred_volume_safety_margin_usec;
354 s->thread_info.volume_change_extra_delay = core->deferred_volume_extra_delay_usec;
355 s->thread_info.port_latency_offset = s->port_latency_offset;
357 /* FIXME: This should probably be moved to pa_sink_put() */
358 pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0);
361 pa_assert_se(pa_idxset_put(s->card->sinks, s, NULL) >= 0);
363 pt = pa_proplist_to_string_sep(s->proplist, "\n ");
364 pa_log_info("Created sink %u \"%s\" with sample spec %s and channel map %s\n %s",
367 pa_sample_spec_snprint(st, sizeof(st), &s->sample_spec),
368 pa_channel_map_snprint(cm, sizeof(cm), &s->channel_map),
372 pa_source_new_data_init(&source_data);
373 pa_source_new_data_set_sample_spec(&source_data, &s->sample_spec);
374 pa_source_new_data_set_channel_map(&source_data, &s->channel_map);
375 pa_source_new_data_set_alternate_sample_rate(&source_data, s->alternate_sample_rate);
376 pa_source_new_data_set_avoid_resampling(&source_data, s->avoid_resampling);
377 source_data.name = pa_sprintf_malloc("%s.monitor", name);
378 source_data.driver = data->driver;
379 source_data.module = data->module;
380 source_data.card = data->card;
382 dn = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
383 pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Monitor of %s", dn ? dn : s->name);
384 pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "monitor");
386 s->monitor_source = pa_source_new(core, &source_data,
387 ((flags & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
388 ((flags & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0));
390 pa_source_new_data_done(&source_data);
392 if (!s->monitor_source) {
398 s->monitor_source->monitor_of = s;
400 pa_source_set_latency_range(s->monitor_source, s->thread_info.min_latency, s->thread_info.max_latency);
401 pa_source_set_fixed_latency(s->monitor_source, s->thread_info.fixed_latency);
402 pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
407 /* Called from main context */
408 static int sink_set_state(pa_sink *s, pa_sink_state_t state, pa_suspend_cause_t suspend_cause) {
411 bool suspend_cause_changed;
414 pa_sink_state_t old_state;
415 pa_suspend_cause_t old_suspend_cause;
418 pa_assert_ctl_context();
420 state_changed = state != s->state;
421 suspend_cause_changed = suspend_cause != s->suspend_cause;
423 if (!state_changed && !suspend_cause_changed)
426 suspending = PA_SINK_IS_OPENED(s->state) && state == PA_SINK_SUSPENDED;
427 resuming = s->state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(state);
429 /* If we are resuming, suspend_cause must be 0. */
430 pa_assert(!resuming || !suspend_cause);
432 /* Here's something to think about: what to do with the suspend cause if
433 * resuming the sink fails? The old suspend cause will be incorrect, so we
434 * can't use that. On the other hand, if we set no suspend cause (as is the
435 * case currently), then it looks strange to have a sink suspended without
436 * any cause. It might be a good idea to add a new "resume failed" suspend
437 * cause, or it might just add unnecessary complexity, given that the
438 * current approach of not setting any suspend cause works well enough. */
440 if (s->set_state_in_main_thread) {
441 if ((ret = s->set_state_in_main_thread(s, state, suspend_cause)) < 0) {
442 /* set_state_in_main_thread() is allowed to fail only when resuming. */
445 /* If resuming fails, we set the state to SUSPENDED and
446 * suspend_cause to 0. */
447 state = PA_SINK_SUSPENDED;
449 state_changed = false;
450 suspend_cause_changed = suspend_cause != s->suspend_cause;
453 /* We know the state isn't changing. If the suspend cause isn't
454 * changing either, then there's nothing more to do. */
455 if (!suspend_cause_changed)
461 struct set_state_data data = { .state = state, .suspend_cause = suspend_cause };
463 if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, &data, 0, NULL)) < 0) {
464 /* SET_STATE is allowed to fail only when resuming. */
467 if (s->set_state_in_main_thread)
468 s->set_state_in_main_thread(s, PA_SINK_SUSPENDED, 0);
470 /* If resuming fails, we set the state to SUSPENDED and
471 * suspend_cause to 0. */
472 state = PA_SINK_SUSPENDED;
474 state_changed = false;
475 suspend_cause_changed = suspend_cause != s->suspend_cause;
478 /* We know the state isn't changing. If the suspend cause isn't
479 * changing either, then there's nothing more to do. */
480 if (!suspend_cause_changed)
485 old_suspend_cause = s->suspend_cause;
486 if (suspend_cause_changed) {
487 char old_cause_buf[PA_SUSPEND_CAUSE_TO_STRING_BUF_SIZE];
488 char new_cause_buf[PA_SUSPEND_CAUSE_TO_STRING_BUF_SIZE];
490 pa_log_debug("%s: suspend_cause: %s -> %s", s->name, pa_suspend_cause_to_string(s->suspend_cause, old_cause_buf),
491 pa_suspend_cause_to_string(suspend_cause, new_cause_buf));
492 s->suspend_cause = suspend_cause;
495 old_state = s->state;
497 pa_log_debug("%s: state: %s -> %s", s->name, pa_sink_state_to_string(s->state), pa_sink_state_to_string(state));
500 /* If we enter UNLINKED state, then we don't send change notifications.
501 * pa_sink_unlink() will send unlink notifications instead. */
502 if (state != PA_SINK_UNLINKED) {
503 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], s);
504 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
508 if (suspending || resuming || suspend_cause_changed) {
512 /* We're suspending or resuming, tell everyone about it */
514 PA_IDXSET_FOREACH(i, s->inputs, idx)
515 if (s->state == PA_SINK_SUSPENDED &&
516 (i->flags & PA_SINK_INPUT_KILL_ON_SUSPEND))
517 pa_sink_input_kill(i);
519 i->suspend(i, old_state, old_suspend_cause);
522 if ((suspending || resuming || suspend_cause_changed) && s->monitor_source && state != PA_SINK_UNLINKED)
523 pa_source_sync_suspend(s->monitor_source);
528 void pa_sink_set_get_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
534 void pa_sink_set_set_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
535 pa_sink_flags_t flags;
538 pa_assert(!s->write_volume || cb);
542 /* Save the current flags so we can tell if they've changed */
546 /* The sink implementor is responsible for setting decibel volume support */
547 s->flags |= PA_SINK_HW_VOLUME_CTRL;
549 s->flags &= ~PA_SINK_HW_VOLUME_CTRL;
550 /* See note below in pa_sink_put() about volume sharing and decibel volumes */
551 pa_sink_enable_decibel_volume(s, !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
554 /* If the flags have changed after init, let any clients know via a change event */
555 if (s->state != PA_SINK_INIT && flags != s->flags)
556 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
559 void pa_sink_set_write_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
560 pa_sink_flags_t flags;
563 pa_assert(!cb || s->set_volume);
565 s->write_volume = cb;
567 /* Save the current flags so we can tell if they've changed */
571 s->flags |= PA_SINK_DEFERRED_VOLUME;
573 s->flags &= ~PA_SINK_DEFERRED_VOLUME;
575 /* If the flags have changed after init, let any clients know via a change event */
576 if (s->state != PA_SINK_INIT && flags != s->flags)
577 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
580 void pa_sink_set_get_mute_callback(pa_sink *s, pa_sink_get_mute_cb_t cb) {
586 void pa_sink_set_set_mute_callback(pa_sink *s, pa_sink_cb_t cb) {
587 pa_sink_flags_t flags;
593 /* Save the current flags so we can tell if they've changed */
597 s->flags |= PA_SINK_HW_MUTE_CTRL;
599 s->flags &= ~PA_SINK_HW_MUTE_CTRL;
601 /* If the flags have changed after init, let any clients know via a change event */
602 if (s->state != PA_SINK_INIT && flags != s->flags)
603 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
606 static void enable_flat_volume(pa_sink *s, bool enable) {
607 pa_sink_flags_t flags;
611 /* Always follow the overall user preference here */
612 enable = enable && s->core->flat_volumes;
614 /* Save the current flags so we can tell if they've changed */
618 s->flags |= PA_SINK_FLAT_VOLUME;
620 s->flags &= ~PA_SINK_FLAT_VOLUME;
622 /* If the flags have changed after init, let any clients know via a change event */
623 if (s->state != PA_SINK_INIT && flags != s->flags)
624 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
627 void pa_sink_enable_decibel_volume(pa_sink *s, bool enable) {
628 pa_sink_flags_t flags;
632 /* Save the current flags so we can tell if they've changed */
636 s->flags |= PA_SINK_DECIBEL_VOLUME;
637 enable_flat_volume(s, true);
639 s->flags &= ~PA_SINK_DECIBEL_VOLUME;
640 enable_flat_volume(s, false);
643 /* If the flags have changed after init, let any clients know via a change event */
644 if (s->state != PA_SINK_INIT && flags != s->flags)
645 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
648 /* Called from main context */
649 void pa_sink_put(pa_sink* s) {
650 pa_sink_assert_ref(s);
651 pa_assert_ctl_context();
653 pa_assert(s->state == PA_SINK_INIT);
654 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || pa_sink_is_filter(s));
656 /* The following fields must be initialized properly when calling _put() */
657 pa_assert(s->asyncmsgq);
658 pa_assert(s->thread_info.min_latency <= s->thread_info.max_latency);
660 /* Generally, flags should be initialized via pa_sink_new(). As a
661 * special exception we allow some volume related flags to be set
662 * between _new() and _put() by the callback setter functions above.
664 * Thus we implement a couple safeguards here which ensure the above
665 * setters were used (or at least the implementor made manual changes
666 * in a compatible way).
668 * Note: All of these flags set here can change over the life time
670 pa_assert(!(s->flags & PA_SINK_HW_VOLUME_CTRL) || s->set_volume);
671 pa_assert(!(s->flags & PA_SINK_DEFERRED_VOLUME) || s->write_volume);
672 pa_assert(!(s->flags & PA_SINK_HW_MUTE_CTRL) || s->set_mute);
674 /* XXX: Currently decibel volume is disabled for all sinks that use volume
675 * sharing. When the master sink supports decibel volume, it would be good
676 * to have the flag also in the filter sink, but currently we don't do that
677 * so that the flags of the filter sink never change when it's moved from
678 * a master sink to another. One solution for this problem would be to
679 * remove user-visible volume altogether from filter sinks when volume
680 * sharing is used, but the current approach was easier to implement... */
681 /* We always support decibel volumes in software, otherwise we leave it to
682 * the sink implementor to set this flag as needed.
684 * Note: This flag can also change over the life time of the sink. */
685 if (!(s->flags & PA_SINK_HW_VOLUME_CTRL) && !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
686 pa_sink_enable_decibel_volume(s, true);
687 s->soft_volume = s->reference_volume;
690 /* If the sink implementor support DB volumes by itself, we should always
691 * try and enable flat volumes too */
692 if ((s->flags & PA_SINK_DECIBEL_VOLUME))
693 enable_flat_volume(s, true);
695 if (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) {
696 pa_sink *root_sink = pa_sink_get_master(s);
698 pa_assert(root_sink);
700 s->reference_volume = root_sink->reference_volume;
701 pa_cvolume_remap(&s->reference_volume, &root_sink->channel_map, &s->channel_map);
703 s->real_volume = root_sink->real_volume;
704 pa_cvolume_remap(&s->real_volume, &root_sink->channel_map, &s->channel_map);
706 /* We assume that if the sink implementor changed the default
707 * volume they did so in real_volume, because that is the usual
708 * place where they are supposed to place their changes. */
709 s->reference_volume = s->real_volume;
711 s->thread_info.soft_volume = s->soft_volume;
712 s->thread_info.soft_muted = s->muted;
713 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
715 pa_assert((s->flags & PA_SINK_HW_VOLUME_CTRL)
716 || (s->base_volume == PA_VOLUME_NORM
717 && ((s->flags & PA_SINK_DECIBEL_VOLUME || (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)))));
718 pa_assert(!(s->flags & PA_SINK_DECIBEL_VOLUME) || s->n_volume_steps == PA_VOLUME_NORM+1);
719 pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == !(s->thread_info.fixed_latency == 0));
720 pa_assert(!(s->flags & PA_SINK_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_LATENCY));
721 pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_DYNAMIC_LATENCY));
723 pa_assert(s->monitor_source->thread_info.fixed_latency == s->thread_info.fixed_latency);
724 pa_assert(s->monitor_source->thread_info.min_latency == s->thread_info.min_latency);
725 pa_assert(s->monitor_source->thread_info.max_latency == s->thread_info.max_latency);
727 if (s->suspend_cause)
728 pa_assert_se(sink_set_state(s, PA_SINK_SUSPENDED, s->suspend_cause) == 0);
730 pa_assert_se(sink_set_state(s, PA_SINK_IDLE, 0) == 0);
732 pa_source_put(s->monitor_source);
734 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index);
735 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PUT], s);
737 /* It's good to fire the SINK_PUT hook before updating the default sink,
738 * because module-switch-on-connect will set the new sink as the default
739 * sink, and if we were to call pa_core_update_default_sink() before that,
740 * the default sink might change twice, causing unnecessary stream moving. */
742 pa_core_update_default_sink(s->core);
744 pa_core_move_streams_to_newly_available_preferred_sink(s->core, s);
747 /* Called from main context */
748 void pa_sink_unlink(pa_sink* s) {
750 pa_sink_input *i, PA_UNUSED *j = NULL;
752 pa_sink_assert_ref(s);
753 pa_assert_ctl_context();
755 /* Please note that pa_sink_unlink() does more than simply
756 * reversing pa_sink_put(). It also undoes the registrations
757 * already done in pa_sink_new()! */
759 if (s->unlink_requested)
762 s->unlink_requested = true;
764 linked = PA_SINK_IS_LINKED(s->state);
767 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK], s);
769 if (s->state != PA_SINK_UNLINKED)
770 pa_namereg_unregister(s->core, s->name);
771 pa_idxset_remove_by_data(s->core->sinks, s, NULL);
773 pa_core_update_default_sink(s->core);
775 if (linked && s->core->rescue_streams)
776 pa_sink_move_streams_to_default_sink(s->core, s, false);
779 pa_idxset_remove_by_data(s->card->sinks, s, NULL);
781 while ((i = pa_idxset_first(s->inputs, NULL))) {
783 pa_sink_input_kill(i);
787 /* Unlink monitor source before unlinking the sink */
788 if (s->monitor_source)
789 pa_source_unlink(s->monitor_source);
792 /* It's important to keep the suspend cause unchanged when unlinking,
793 * because if we remove the SESSION suspend cause here, the alsa sink
794 * will sync its volume with the hardware while another user is
795 * active, messing up the volume for that other user. */
796 sink_set_state(s, PA_SINK_UNLINKED, s->suspend_cause);
798 s->state = PA_SINK_UNLINKED;
803 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
804 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], s);
808 /* Called from main context */
809 static void sink_free(pa_object *o) {
810 pa_sink *s = PA_SINK(o);
813 pa_assert_ctl_context();
814 pa_assert(pa_sink_refcnt(s) == 0);
815 pa_assert(!PA_SINK_IS_LINKED(s->state));
817 pa_log_info("Freeing sink %u \"%s\"", s->index, s->name);
819 pa_sink_volume_change_flush(s);
821 if (s->monitor_source) {
822 pa_source_unref(s->monitor_source);
823 s->monitor_source = NULL;
826 pa_idxset_free(s->inputs, NULL);
827 pa_hashmap_free(s->thread_info.inputs);
829 if (s->silence.memblock)
830 pa_memblock_unref(s->silence.memblock);
836 pa_proplist_free(s->proplist);
839 pa_hashmap_free(s->ports);
844 /* Called from main context, and not while the IO thread is active, please */
845 void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) {
846 pa_sink_assert_ref(s);
847 pa_assert_ctl_context();
851 if (s->monitor_source)
852 pa_source_set_asyncmsgq(s->monitor_source, q);
855 /* Called from main context, and not while the IO thread is active, please */
856 void pa_sink_update_flags(pa_sink *s, pa_sink_flags_t mask, pa_sink_flags_t value) {
857 pa_sink_flags_t old_flags;
858 pa_sink_input *input;
861 pa_sink_assert_ref(s);
862 pa_assert_ctl_context();
864 /* For now, allow only a minimal set of flags to be changed. */
865 pa_assert((mask & ~(PA_SINK_DYNAMIC_LATENCY|PA_SINK_LATENCY)) == 0);
867 old_flags = s->flags;
868 s->flags = (s->flags & ~mask) | (value & mask);
870 if (s->flags == old_flags)
873 if ((s->flags & PA_SINK_LATENCY) != (old_flags & PA_SINK_LATENCY))
874 pa_log_debug("Sink %s: LATENCY flag %s.", s->name, (s->flags & PA_SINK_LATENCY) ? "enabled" : "disabled");
876 if ((s->flags & PA_SINK_DYNAMIC_LATENCY) != (old_flags & PA_SINK_DYNAMIC_LATENCY))
877 pa_log_debug("Sink %s: DYNAMIC_LATENCY flag %s.",
878 s->name, (s->flags & PA_SINK_DYNAMIC_LATENCY) ? "enabled" : "disabled");
880 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
881 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_FLAGS_CHANGED], s);
883 if (s->monitor_source)
884 pa_source_update_flags(s->monitor_source,
885 ((mask & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
886 ((mask & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0),
887 ((value & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
888 ((value & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0));
890 PA_IDXSET_FOREACH(input, s->inputs, idx) {
891 if (input->origin_sink)
892 pa_sink_update_flags(input->origin_sink, mask, value);
896 /* Called from IO context, or before _put() from main context */
897 void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) {
898 pa_sink_assert_ref(s);
899 pa_sink_assert_io_context(s);
901 s->thread_info.rtpoll = p;
903 if (s->monitor_source)
904 pa_source_set_rtpoll(s->monitor_source, p);
907 /* Called from main context */
908 int pa_sink_update_status(pa_sink*s) {
909 pa_sink_assert_ref(s);
910 pa_assert_ctl_context();
911 pa_assert(PA_SINK_IS_LINKED(s->state));
913 if (s->state == PA_SINK_SUSPENDED)
916 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE, 0);
919 /* Called from main context */
920 int pa_sink_suspend(pa_sink *s, bool suspend, pa_suspend_cause_t cause) {
921 pa_suspend_cause_t merged_cause;
923 pa_sink_assert_ref(s);
924 pa_assert_ctl_context();
925 pa_assert(PA_SINK_IS_LINKED(s->state));
926 pa_assert(cause != 0);
929 merged_cause = s->suspend_cause | cause;
931 merged_cause = s->suspend_cause & ~cause;
934 return sink_set_state(s, PA_SINK_SUSPENDED, merged_cause);
936 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE, 0);
939 /* Called from main context */
940 pa_queue *pa_sink_move_all_start(pa_sink *s, pa_queue *q) {
941 pa_sink_input *i, *n;
944 pa_sink_assert_ref(s);
945 pa_assert_ctl_context();
946 pa_assert(PA_SINK_IS_LINKED(s->state));
951 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = n) {
952 n = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx));
954 pa_sink_input_ref(i);
956 if (pa_sink_input_start_move(i) >= 0)
959 pa_sink_input_unref(i);
965 /* Called from main context */
966 void pa_sink_move_all_finish(pa_sink *s, pa_queue *q, bool save) {
969 pa_sink_assert_ref(s);
970 pa_assert_ctl_context();
971 pa_assert(PA_SINK_IS_LINKED(s->state));
974 while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
975 if (PA_SINK_INPUT_IS_LINKED(i->state)) {
976 if (pa_sink_input_finish_move(i, s, save) < 0)
977 pa_sink_input_fail_move(i);
980 pa_sink_input_unref(i);
983 pa_queue_free(q, NULL);
986 /* Called from main context */
987 void pa_sink_move_all_fail(pa_queue *q) {
990 pa_assert_ctl_context();
993 while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
994 pa_sink_input_fail_move(i);
995 pa_sink_input_unref(i);
998 pa_queue_free(q, NULL);
1001 /* Called from IO thread context */
1002 size_t pa_sink_process_input_underruns(pa_sink *s, size_t left_to_play) {
1007 pa_sink_assert_ref(s);
1008 pa_sink_assert_io_context(s);
1010 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
1011 size_t uf = i->thread_info.underrun_for_sink;
1013 /* Propagate down the filter tree */
1014 if (i->origin_sink) {
1015 size_t filter_result, left_to_play_origin;
1017 /* The recursive call works in the origin sink domain ... */
1018 left_to_play_origin = pa_convert_size(left_to_play, &i->sink->sample_spec, &i->origin_sink->sample_spec);
1020 /* .. and returns the time to sleep before waking up. We need the
1021 * underrun duration for comparisons, so we undo the subtraction on
1022 * the return value... */
1023 filter_result = left_to_play_origin - pa_sink_process_input_underruns(i->origin_sink, left_to_play_origin);
1025 /* ... and convert it back to the master sink domain */
1026 filter_result = pa_convert_size(filter_result, &i->origin_sink->sample_spec, &i->sink->sample_spec);
1028 /* Remember the longest underrun so far */
1029 if (filter_result > result)
1030 result = filter_result;
1034 /* No underrun here, move on */
1036 } else if (uf >= left_to_play) {
1037 /* The sink has possibly consumed all the data the sink input provided */
1038 pa_sink_input_process_underrun(i);
1039 } else if (uf > result) {
1040 /* Remember the longest underrun so far */
1046 pa_log_debug("%s: Found underrun %ld bytes ago (%ld bytes ahead in playback buffer)", s->name,
1047 (long) result, (long) left_to_play - result);
1048 return left_to_play - result;
1051 /* Called from IO thread context */
1052 void pa_sink_process_rewind(pa_sink *s, size_t nbytes) {
1056 pa_sink_assert_ref(s);
1057 pa_sink_assert_io_context(s);
1058 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1060 /* If nobody requested this and this is actually no real rewind
1061 * then we can short cut this. Please note that this means that
1062 * not all rewind requests triggered upstream will always be
1063 * translated in actual requests! */
1064 if (!s->thread_info.rewind_requested && nbytes <= 0)
1067 s->thread_info.rewind_nbytes = 0;
1068 s->thread_info.rewind_requested = false;
1071 pa_log_debug("Processing rewind...");
1072 if (s->flags & PA_SINK_DEFERRED_VOLUME)
1073 pa_sink_volume_change_rewind(s, nbytes);
1076 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
1077 pa_sink_input_assert_ref(i);
1078 pa_sink_input_process_rewind(i, nbytes);
1082 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
1083 pa_source_process_rewind(s->monitor_source, nbytes);
1087 /* Called from IO thread context */
1088 static unsigned fill_mix_info(pa_sink *s, size_t *length, pa_mix_info *info, unsigned maxinfo) {
1092 size_t mixlength = *length;
1094 pa_sink_assert_ref(s);
1095 pa_sink_assert_io_context(s);
1098 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)) && maxinfo > 0) {
1099 pa_sink_input_assert_ref(i);
1101 pa_sink_input_peek(i, *length, &info->chunk, &info->volume);
1103 if (mixlength == 0 || info->chunk.length < mixlength)
1104 mixlength = info->chunk.length;
1106 if (pa_memblock_is_silence(info->chunk.memblock)) {
1107 pa_memblock_unref(info->chunk.memblock);
1111 info->userdata = pa_sink_input_ref(i);
1113 pa_assert(info->chunk.memblock);
1114 pa_assert(info->chunk.length > 0);
1122 *length = mixlength;
1127 /* Called from IO thread context */
1128 static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, pa_memchunk *result) {
1132 unsigned n_unreffed = 0;
1134 pa_sink_assert_ref(s);
1135 pa_sink_assert_io_context(s);
1137 pa_assert(result->memblock);
1138 pa_assert(result->length > 0);
1140 /* We optimize for the case where the order of the inputs has not changed */
1142 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
1144 pa_mix_info* m = NULL;
1146 pa_sink_input_assert_ref(i);
1148 /* Let's try to find the matching entry info the pa_mix_info array */
1149 for (j = 0; j < n; j ++) {
1151 if (info[p].userdata == i) {
1161 /* Drop read data */
1162 pa_sink_input_drop(i, result->length);
1164 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state)) {
1166 if (pa_hashmap_size(i->thread_info.direct_outputs) > 0) {
1167 void *ostate = NULL;
1168 pa_source_output *o;
1171 if (m && m->chunk.memblock) {
1173 pa_memblock_ref(c.memblock);
1174 pa_assert(result->length <= c.length);
1175 c.length = result->length;
1177 pa_memchunk_make_writable(&c, 0);
1178 pa_volume_memchunk(&c, &s->sample_spec, &m->volume);
1181 pa_memblock_ref(c.memblock);
1182 pa_assert(result->length <= c.length);
1183 c.length = result->length;
1186 while ((o = pa_hashmap_iterate(i->thread_info.direct_outputs, &ostate, NULL))) {
1187 pa_source_output_assert_ref(o);
1188 pa_assert(o->direct_on_input == i);
1189 pa_source_post_direct(s->monitor_source, o, &c);
1192 pa_memblock_unref(c.memblock);
1197 if (m->chunk.memblock) {
1198 pa_memblock_unref(m->chunk.memblock);
1199 pa_memchunk_reset(&m->chunk);
1202 pa_sink_input_unref(m->userdata);
1209 /* Now drop references to entries that are included in the
1210 * pa_mix_info array but don't exist anymore */
1212 if (n_unreffed < n) {
1213 for (; n > 0; info++, n--) {
1215 pa_sink_input_unref(info->userdata);
1216 if (info->chunk.memblock)
1217 pa_memblock_unref(info->chunk.memblock);
1221 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
1222 pa_source_post(s->monitor_source, result);
1225 /* Called from IO thread context */
1226 void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
1227 pa_mix_info info[MAX_MIX_CHANNELS];
1229 size_t block_size_max;
1231 pa_sink_assert_ref(s);
1232 pa_sink_assert_io_context(s);
1233 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1234 pa_assert(pa_frame_aligned(length, &s->sample_spec));
1237 pa_assert(!s->thread_info.rewind_requested);
1238 pa_assert(s->thread_info.rewind_nbytes == 0);
1240 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1241 result->memblock = pa_memblock_ref(s->silence.memblock);
1242 result->index = s->silence.index;
1243 result->length = PA_MIN(s->silence.length, length);
1250 length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec);
1252 block_size_max = pa_mempool_block_size_max(s->core->mempool);
1253 if (length > block_size_max)
1254 length = pa_frame_align(block_size_max, &s->sample_spec);
1256 pa_assert(length > 0);
1258 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
1262 *result = s->silence;
1263 pa_memblock_ref(result->memblock);
1265 if (result->length > length)
1266 result->length = length;
1268 } else if (n == 1) {
1271 *result = info[0].chunk;
1272 pa_memblock_ref(result->memblock);
1274 if (result->length > length)
1275 result->length = length;
1277 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
1279 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume)) {
1280 pa_memblock_unref(result->memblock);
1281 pa_silence_memchunk_get(&s->core->silence_cache,
1286 } else if (!pa_cvolume_is_norm(&volume)) {
1287 pa_memchunk_make_writable(result, 0);
1288 pa_volume_memchunk(result, &s->sample_spec, &volume);
1292 result->memblock = pa_memblock_new(s->core->mempool, length);
1294 ptr = pa_memblock_acquire(result->memblock);
1295 result->length = pa_mix(info, n,
1298 &s->thread_info.soft_volume,
1299 s->thread_info.soft_muted);
1300 pa_memblock_release(result->memblock);
1305 inputs_drop(s, info, n, result);
1310 /* Called from IO thread context */
1311 void pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
1312 pa_mix_info info[MAX_MIX_CHANNELS];
1314 size_t length, block_size_max;
1316 pa_sink_assert_ref(s);
1317 pa_sink_assert_io_context(s);
1318 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1320 pa_assert(target->memblock);
1321 pa_assert(target->length > 0);
1322 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
1324 pa_assert(!s->thread_info.rewind_requested);
1325 pa_assert(s->thread_info.rewind_nbytes == 0);
1327 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1328 pa_silence_memchunk(target, &s->sample_spec);
1334 length = target->length;
1335 block_size_max = pa_mempool_block_size_max(s->core->mempool);
1336 if (length > block_size_max)
1337 length = pa_frame_align(block_size_max, &s->sample_spec);
1339 pa_assert(length > 0);
1341 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
1344 if (target->length > length)
1345 target->length = length;
1347 pa_silence_memchunk(target, &s->sample_spec);
1348 } else if (n == 1) {
1351 if (target->length > length)
1352 target->length = length;
1354 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
1356 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume))
1357 pa_silence_memchunk(target, &s->sample_spec);
1361 vchunk = info[0].chunk;
1362 pa_memblock_ref(vchunk.memblock);
1364 if (vchunk.length > length)
1365 vchunk.length = length;
1367 if (!pa_cvolume_is_norm(&volume)) {
1368 pa_memchunk_make_writable(&vchunk, 0);
1369 pa_volume_memchunk(&vchunk, &s->sample_spec, &volume);
1372 pa_memchunk_memcpy(target, &vchunk);
1373 pa_memblock_unref(vchunk.memblock);
1379 ptr = pa_memblock_acquire(target->memblock);
1381 target->length = pa_mix(info, n,
1382 (uint8_t*) ptr + target->index, length,
1384 &s->thread_info.soft_volume,
1385 s->thread_info.soft_muted);
1387 pa_memblock_release(target->memblock);
1390 inputs_drop(s, info, n, target);
1395 /* Called from IO thread context */
1396 void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) {
1400 pa_sink_assert_ref(s);
1401 pa_sink_assert_io_context(s);
1402 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1404 pa_assert(target->memblock);
1405 pa_assert(target->length > 0);
1406 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
1408 pa_assert(!s->thread_info.rewind_requested);
1409 pa_assert(s->thread_info.rewind_nbytes == 0);
1411 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1412 pa_silence_memchunk(target, &s->sample_spec);
1425 pa_sink_render_into(s, &chunk);
1434 /* Called from IO thread context */
1435 void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) {
1436 pa_sink_assert_ref(s);
1437 pa_sink_assert_io_context(s);
1438 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1439 pa_assert(length > 0);
1440 pa_assert(pa_frame_aligned(length, &s->sample_spec));
1443 pa_assert(!s->thread_info.rewind_requested);
1444 pa_assert(s->thread_info.rewind_nbytes == 0);
1448 pa_sink_render(s, length, result);
1450 if (result->length < length) {
1453 pa_memchunk_make_writable(result, length);
1455 chunk.memblock = result->memblock;
1456 chunk.index = result->index + result->length;
1457 chunk.length = length - result->length;
1459 pa_sink_render_into_full(s, &chunk);
1461 result->length = length;
1467 /* Called from main thread */
1468 void pa_sink_reconfigure(pa_sink *s, pa_sample_spec *spec, bool passthrough) {
1469 pa_sample_spec desired_spec;
1470 uint32_t default_rate = s->default_sample_rate;
1471 uint32_t alternate_rate = s->alternate_sample_rate;
1474 bool default_rate_is_usable = false;
1475 bool alternate_rate_is_usable = false;
1476 bool avoid_resampling = s->avoid_resampling;
1478 if (pa_sample_spec_equal(spec, &s->sample_spec))
1481 if (!s->reconfigure)
1484 if (PA_UNLIKELY(default_rate == alternate_rate && !passthrough && !avoid_resampling)) {
1485 pa_log_debug("Default and alternate sample rates are the same, so there is no point in switching.");
1489 if (PA_SINK_IS_RUNNING(s->state)) {
1490 pa_log_info("Cannot update sample spec, SINK_IS_RUNNING, will keep using %s and %u Hz",
1491 pa_sample_format_to_string(s->sample_spec.format), s->sample_spec.rate);
1495 if (s->monitor_source) {
1496 if (PA_SOURCE_IS_RUNNING(s->monitor_source->state) == true) {
1497 pa_log_info("Cannot update sample spec, monitor source is RUNNING");
1502 if (PA_UNLIKELY(!pa_sample_spec_valid(spec)))
1505 desired_spec = s->sample_spec;
1508 /* We have to try to use the sink input format and rate */
1509 desired_spec.format = spec->format;
1510 desired_spec.rate = spec->rate;
1512 } else if (avoid_resampling) {
1513 /* We just try to set the sink input's sample rate if it's not too low */
1514 if (spec->rate >= default_rate || spec->rate >= alternate_rate)
1515 desired_spec.rate = spec->rate;
1516 desired_spec.format = spec->format;
1518 } else if (default_rate == spec->rate || alternate_rate == spec->rate) {
1519 /* We can directly try to use this rate */
1520 desired_spec.rate = spec->rate;
1524 if (desired_spec.rate != spec->rate) {
1525 /* See if we can pick a rate that results in less resampling effort */
1526 if (default_rate % 11025 == 0 && spec->rate % 11025 == 0)
1527 default_rate_is_usable = true;
1528 if (default_rate % 4000 == 0 && spec->rate % 4000 == 0)
1529 default_rate_is_usable = true;
1530 if (alternate_rate % 11025 == 0 && spec->rate % 11025 == 0)
1531 alternate_rate_is_usable = true;
1532 if (alternate_rate % 4000 == 0 && spec->rate % 4000 == 0)
1533 alternate_rate_is_usable = true;
1535 if (alternate_rate_is_usable && !default_rate_is_usable)
1536 desired_spec.rate = alternate_rate;
1538 desired_spec.rate = default_rate;
1541 if (pa_sample_spec_equal(&desired_spec, &s->sample_spec) && passthrough == pa_sink_is_passthrough(s))
1544 if (!passthrough && pa_sink_used_by(s) > 0)
1547 pa_log_debug("Suspending sink %s due to changing format, desired format = %s rate = %u",
1548 s->name, pa_sample_format_to_string(desired_spec.format), desired_spec.rate);
1549 pa_sink_suspend(s, true, PA_SUSPEND_INTERNAL);
1551 s->reconfigure(s, &desired_spec, passthrough);
1553 /* update monitor source as well */
1554 if (s->monitor_source && !passthrough)
1555 pa_source_reconfigure(s->monitor_source, &s->sample_spec, false);
1556 pa_log_info("Reconfigured successfully");
1558 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1559 if (i->state == PA_SINK_INPUT_CORKED)
1560 pa_sink_input_update_resampler(i);
1563 pa_sink_suspend(s, false, PA_SUSPEND_INTERNAL);
1566 /* Called from main thread */
1567 pa_usec_t pa_sink_get_latency(pa_sink *s) {
1570 pa_sink_assert_ref(s);
1571 pa_assert_ctl_context();
1572 pa_assert(PA_SINK_IS_LINKED(s->state));
1574 /* The returned value is supposed to be in the time domain of the sound card! */
1576 if (s->state == PA_SINK_SUSPENDED)
1579 if (!(s->flags & PA_SINK_LATENCY))
1582 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
1584 /* the return value is unsigned, so check that the offset can be added to usec without
1586 if (-s->port_latency_offset <= usec)
1587 usec += s->port_latency_offset;
1591 return (pa_usec_t)usec;
1594 /* Called from IO thread */
1595 int64_t pa_sink_get_latency_within_thread(pa_sink *s, bool allow_negative) {
1599 pa_sink_assert_ref(s);
1600 pa_sink_assert_io_context(s);
1601 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1603 /* The returned value is supposed to be in the time domain of the sound card! */
1605 if (s->thread_info.state == PA_SINK_SUSPENDED)
1608 if (!(s->flags & PA_SINK_LATENCY))
1611 o = PA_MSGOBJECT(s);
1613 /* FIXME: We probably should make this a proper vtable callback instead of going through process_msg() */
1615 o->process_msg(o, PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL);
1617 /* If allow_negative is false, the call should only return positive values, */
1618 usec += s->thread_info.port_latency_offset;
1619 if (!allow_negative && usec < 0)
1625 /* Called from the main thread (and also from the IO thread while the main
1626 * thread is waiting).
1628 * When a sink uses volume sharing, it never has the PA_SINK_FLAT_VOLUME flag
1629 * set. Instead, flat volume mode is detected by checking whether the root sink
1630 * has the flag set. */
1631 bool pa_sink_flat_volume_enabled(pa_sink *s) {
1632 pa_sink_assert_ref(s);
1634 s = pa_sink_get_master(s);
1637 return (s->flags & PA_SINK_FLAT_VOLUME);
1642 /* Called from the main thread (and also from the IO thread while the main
1643 * thread is waiting). */
1644 pa_sink *pa_sink_get_master(pa_sink *s) {
1645 pa_sink_assert_ref(s);
1647 while (s && (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1648 if (PA_UNLIKELY(!s->input_to_master))
1651 s = s->input_to_master->sink;
1657 /* Called from main context */
1658 bool pa_sink_is_filter(pa_sink *s) {
1659 pa_sink_assert_ref(s);
1661 return (s->input_to_master != NULL);
1664 /* Called from main context */
1665 bool pa_sink_is_passthrough(pa_sink *s) {
1666 pa_sink_input *alt_i;
1669 pa_sink_assert_ref(s);
1671 /* one and only one PASSTHROUGH input can possibly be connected */
1672 if (pa_idxset_size(s->inputs) == 1) {
1673 alt_i = pa_idxset_first(s->inputs, &idx);
1675 if (pa_sink_input_is_passthrough(alt_i))
1682 /* Called from main context */
1683 void pa_sink_enter_passthrough(pa_sink *s) {
1686 /* The sink implementation is reconfigured for passthrough in
1687 * pa_sink_reconfigure(). This function sets the PA core objects to
1688 * passthrough mode. */
1690 /* disable the monitor in passthrough mode */
1691 if (s->monitor_source) {
1692 pa_log_debug("Suspending monitor source %s, because the sink is entering the passthrough mode.", s->monitor_source->name);
1693 pa_source_suspend(s->monitor_source, true, PA_SUSPEND_PASSTHROUGH);
1696 /* set the volume to NORM */
1697 s->saved_volume = *pa_sink_get_volume(s, true);
1698 s->saved_save_volume = s->save_volume;
1700 pa_cvolume_set(&volume, s->sample_spec.channels, PA_MIN(s->base_volume, PA_VOLUME_NORM));
1701 pa_sink_set_volume(s, &volume, true, false);
1703 pa_log_debug("Suspending/Restarting sink %s to enter passthrough mode", s->name);
1706 /* Called from main context */
1707 void pa_sink_leave_passthrough(pa_sink *s) {
1708 /* Unsuspend monitor */
1709 if (s->monitor_source) {
1710 pa_log_debug("Resuming monitor source %s, because the sink is leaving the passthrough mode.", s->monitor_source->name);
1711 pa_source_suspend(s->monitor_source, false, PA_SUSPEND_PASSTHROUGH);
1714 /* Restore sink volume to what it was before we entered passthrough mode */
1715 pa_sink_set_volume(s, &s->saved_volume, true, s->saved_save_volume);
1717 pa_cvolume_init(&s->saved_volume);
1718 s->saved_save_volume = false;
1722 /* Called from main context. */
1723 static void compute_reference_ratio(pa_sink_input *i) {
1725 pa_cvolume remapped;
1729 pa_assert(pa_sink_flat_volume_enabled(i->sink));
1732 * Calculates the reference ratio from the sink's reference
1733 * volume. This basically calculates:
1735 * i->reference_ratio = i->volume / i->sink->reference_volume
1738 remapped = i->sink->reference_volume;
1739 pa_cvolume_remap(&remapped, &i->sink->channel_map, &i->channel_map);
1741 ratio = i->reference_ratio;
1743 for (c = 0; c < i->sample_spec.channels; c++) {
1745 /* We don't update when the sink volume is 0 anyway */
1746 if (remapped.values[c] <= PA_VOLUME_MUTED)
1749 /* Don't update the reference ratio unless necessary */
1750 if (pa_sw_volume_multiply(
1752 remapped.values[c]) == i->volume.values[c])
1755 ratio.values[c] = pa_sw_volume_divide(
1756 i->volume.values[c],
1757 remapped.values[c]);
1760 pa_sink_input_set_reference_ratio(i, &ratio);
1763 /* Called from main context. Only called for the root sink in volume sharing
1764 * cases, except for internal recursive calls. */
1765 static void compute_reference_ratios(pa_sink *s) {
1769 pa_sink_assert_ref(s);
1770 pa_assert_ctl_context();
1771 pa_assert(PA_SINK_IS_LINKED(s->state));
1772 pa_assert(pa_sink_flat_volume_enabled(s));
1774 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1775 compute_reference_ratio(i);
1777 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
1778 && PA_SINK_IS_LINKED(i->origin_sink->state))
1779 compute_reference_ratios(i->origin_sink);
1783 /* Called from main context. Only called for the root sink in volume sharing
1784 * cases, except for internal recursive calls. */
1785 static void compute_real_ratios(pa_sink *s) {
1789 pa_sink_assert_ref(s);
1790 pa_assert_ctl_context();
1791 pa_assert(PA_SINK_IS_LINKED(s->state));
1792 pa_assert(pa_sink_flat_volume_enabled(s));
1794 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1796 pa_cvolume remapped;
1798 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1799 /* The origin sink uses volume sharing, so this input's real ratio
1800 * is handled as a special case - the real ratio must be 0 dB, and
1801 * as a result i->soft_volume must equal i->volume_factor. */
1802 pa_cvolume_reset(&i->real_ratio, i->real_ratio.channels);
1803 i->soft_volume = i->volume_factor;
1805 if (PA_SINK_IS_LINKED(i->origin_sink->state))
1806 compute_real_ratios(i->origin_sink);
1812 * This basically calculates:
1814 * i->real_ratio := i->volume / s->real_volume
1815 * i->soft_volume := i->real_ratio * i->volume_factor
1818 remapped = s->real_volume;
1819 pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
1821 i->real_ratio.channels = i->sample_spec.channels;
1822 i->soft_volume.channels = i->sample_spec.channels;
1824 for (c = 0; c < i->sample_spec.channels; c++) {
1826 if (remapped.values[c] <= PA_VOLUME_MUTED) {
1827 /* We leave i->real_ratio untouched */
1828 i->soft_volume.values[c] = PA_VOLUME_MUTED;
1832 /* Don't lose accuracy unless necessary */
1833 if (pa_sw_volume_multiply(
1834 i->real_ratio.values[c],
1835 remapped.values[c]) != i->volume.values[c])
1837 i->real_ratio.values[c] = pa_sw_volume_divide(
1838 i->volume.values[c],
1839 remapped.values[c]);
1841 i->soft_volume.values[c] = pa_sw_volume_multiply(
1842 i->real_ratio.values[c],
1843 i->volume_factor.values[c]);
1846 /* We don't copy the soft_volume to the thread_info data
1847 * here. That must be done by the caller */
1851 static pa_cvolume *cvolume_remap_minimal_impact(
1853 const pa_cvolume *template,
1854 const pa_channel_map *from,
1855 const pa_channel_map *to) {
1860 pa_assert(template);
1863 pa_assert(pa_cvolume_compatible_with_channel_map(v, from));
1864 pa_assert(pa_cvolume_compatible_with_channel_map(template, to));
1866 /* Much like pa_cvolume_remap(), but tries to minimize impact when
1867 * mapping from sink input to sink volumes:
1869 * If template is a possible remapping from v it is used instead
1870 * of remapping anew.
1872 * If the channel maps don't match we set an all-channel volume on
1873 * the sink to ensure that changing a volume on one stream has no
1874 * effect that cannot be compensated for in another stream that
1875 * does not have the same channel map as the sink. */
1877 if (pa_channel_map_equal(from, to))
1881 if (pa_cvolume_equal(pa_cvolume_remap(&t, to, from), v)) {
1886 pa_cvolume_set(v, to->channels, pa_cvolume_max(v));
1890 /* Called from main thread. Only called for the root sink in volume sharing
1891 * cases, except for internal recursive calls. */
1892 static void get_maximum_input_volume(pa_sink *s, pa_cvolume *max_volume, const pa_channel_map *channel_map) {
1896 pa_sink_assert_ref(s);
1897 pa_assert(max_volume);
1898 pa_assert(channel_map);
1899 pa_assert(pa_sink_flat_volume_enabled(s));
1901 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1902 pa_cvolume remapped;
1904 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1905 if (PA_SINK_IS_LINKED(i->origin_sink->state))
1906 get_maximum_input_volume(i->origin_sink, max_volume, channel_map);
1908 /* Ignore this input. The origin sink uses volume sharing, so this
1909 * input's volume will be set to be equal to the root sink's real
1910 * volume. Obviously this input's current volume must not then
1911 * affect what the root sink's real volume will be. */
1915 remapped = i->volume;
1916 cvolume_remap_minimal_impact(&remapped, max_volume, &i->channel_map, channel_map);
1917 pa_cvolume_merge(max_volume, max_volume, &remapped);
1921 /* Called from main thread. Only called for the root sink in volume sharing
1922 * cases, except for internal recursive calls. */
1923 static bool has_inputs(pa_sink *s) {
1927 pa_sink_assert_ref(s);
1929 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1930 if (!i->origin_sink || !(i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || has_inputs(i->origin_sink))
1937 /* Called from main thread. Only called for the root sink in volume sharing
1938 * cases, except for internal recursive calls. */
1939 static void update_real_volume(pa_sink *s, const pa_cvolume *new_volume, pa_channel_map *channel_map) {
1943 pa_sink_assert_ref(s);
1944 pa_assert(new_volume);
1945 pa_assert(channel_map);
1947 s->real_volume = *new_volume;
1948 pa_cvolume_remap(&s->real_volume, channel_map, &s->channel_map);
1950 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1951 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1952 if (pa_sink_flat_volume_enabled(s)) {
1953 pa_cvolume new_input_volume;
1955 /* Follow the root sink's real volume. */
1956 new_input_volume = *new_volume;
1957 pa_cvolume_remap(&new_input_volume, channel_map, &i->channel_map);
1958 pa_sink_input_set_volume_direct(i, &new_input_volume);
1959 compute_reference_ratio(i);
1962 if (PA_SINK_IS_LINKED(i->origin_sink->state))
1963 update_real_volume(i->origin_sink, new_volume, channel_map);
1968 /* Called from main thread. Only called for the root sink in shared volume
1970 static void compute_real_volume(pa_sink *s) {
1971 pa_sink_assert_ref(s);
1972 pa_assert_ctl_context();
1973 pa_assert(PA_SINK_IS_LINKED(s->state));
1974 pa_assert(pa_sink_flat_volume_enabled(s));
1975 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
1977 /* This determines the maximum volume of all streams and sets
1978 * s->real_volume accordingly. */
1980 if (!has_inputs(s)) {
1981 /* In the special case that we have no sink inputs we leave the
1982 * volume unmodified. */
1983 update_real_volume(s, &s->reference_volume, &s->channel_map);
1987 pa_cvolume_mute(&s->real_volume, s->channel_map.channels);
1989 /* First let's determine the new maximum volume of all inputs
1990 * connected to this sink */
1991 get_maximum_input_volume(s, &s->real_volume, &s->channel_map);
1992 update_real_volume(s, &s->real_volume, &s->channel_map);
1994 /* Then, let's update the real ratios/soft volumes of all inputs
1995 * connected to this sink */
1996 compute_real_ratios(s);
1999 /* Called from main thread. Only called for the root sink in shared volume
2000 * cases, except for internal recursive calls. */
2001 static void propagate_reference_volume(pa_sink *s) {
2005 pa_sink_assert_ref(s);
2006 pa_assert_ctl_context();
2007 pa_assert(PA_SINK_IS_LINKED(s->state));
2008 pa_assert(pa_sink_flat_volume_enabled(s));
2010 /* This is called whenever the sink volume changes that is not
2011 * caused by a sink input volume change. We need to fix up the
2012 * sink input volumes accordingly */
2014 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2015 pa_cvolume new_volume;
2017 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
2018 if (PA_SINK_IS_LINKED(i->origin_sink->state))
2019 propagate_reference_volume(i->origin_sink);
2021 /* Since the origin sink uses volume sharing, this input's volume
2022 * needs to be updated to match the root sink's real volume, but
2023 * that will be done later in update_real_volume(). */
2027 /* This basically calculates:
2029 * i->volume := s->reference_volume * i->reference_ratio */
2031 new_volume = s->reference_volume;
2032 pa_cvolume_remap(&new_volume, &s->channel_map, &i->channel_map);
2033 pa_sw_cvolume_multiply(&new_volume, &new_volume, &i->reference_ratio);
2034 pa_sink_input_set_volume_direct(i, &new_volume);
2038 /* Called from main thread. Only called for the root sink in volume sharing
2039 * cases, except for internal recursive calls. The return value indicates
2040 * whether any reference volume actually changed. */
2041 static bool update_reference_volume(pa_sink *s, const pa_cvolume *v, const pa_channel_map *channel_map, bool save) {
2043 bool reference_volume_changed;
2047 pa_sink_assert_ref(s);
2048 pa_assert(PA_SINK_IS_LINKED(s->state));
2050 pa_assert(channel_map);
2051 pa_assert(pa_cvolume_valid(v));
2054 pa_cvolume_remap(&volume, channel_map, &s->channel_map);
2056 reference_volume_changed = !pa_cvolume_equal(&volume, &s->reference_volume);
2057 pa_sink_set_reference_volume_direct(s, &volume);
2059 s->save_volume = (!reference_volume_changed && s->save_volume) || save;
2061 if (!reference_volume_changed && !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
2062 /* If the root sink's volume doesn't change, then there can't be any
2063 * changes in the other sinks in the sink tree either.
2065 * It's probably theoretically possible that even if the root sink's
2066 * volume changes slightly, some filter sink doesn't change its volume
2067 * due to rounding errors. If that happens, we still want to propagate
2068 * the changed root sink volume to the sinks connected to the
2069 * intermediate sink that didn't change its volume. This theoretical
2070 * possibility is the reason why we have that !(s->flags &
2071 * PA_SINK_SHARE_VOLUME_WITH_MASTER) condition. Probably nobody would
2072 * notice even if we returned here false always if
2073 * reference_volume_changed is false. */
2076 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2077 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
2078 && PA_SINK_IS_LINKED(i->origin_sink->state))
2079 update_reference_volume(i->origin_sink, v, channel_map, false);
2085 /* Called from main thread */
2086 void pa_sink_set_volume(
2088 const pa_cvolume *volume,
2092 pa_cvolume new_reference_volume;
2095 pa_sink_assert_ref(s);
2096 pa_assert_ctl_context();
2097 pa_assert(PA_SINK_IS_LINKED(s->state));
2098 pa_assert(!volume || pa_cvolume_valid(volume));
2099 pa_assert(volume || pa_sink_flat_volume_enabled(s));
2100 pa_assert(!volume || volume->channels == 1 || pa_cvolume_compatible(volume, &s->sample_spec));
2102 /* make sure we don't change the volume when a PASSTHROUGH input is connected ...
2103 * ... *except* if we're being invoked to reset the volume to ensure 0 dB gain */
2104 if (pa_sink_is_passthrough(s) && (!volume || !pa_cvolume_is_norm(volume))) {
2105 pa_log_warn("Cannot change volume, Sink is connected to PASSTHROUGH input");
2109 /* In case of volume sharing, the volume is set for the root sink first,
2110 * from which it's then propagated to the sharing sinks. */
2111 root_sink = pa_sink_get_master(s);
2113 if (PA_UNLIKELY(!root_sink))
2116 /* As a special exception we accept mono volumes on all sinks --
2117 * even on those with more complex channel maps */
2120 if (pa_cvolume_compatible(volume, &s->sample_spec))
2121 new_reference_volume = *volume;
2123 new_reference_volume = s->reference_volume;
2124 pa_cvolume_scale(&new_reference_volume, pa_cvolume_max(volume));
2127 pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_sink->channel_map);
2129 if (update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save)) {
2130 if (pa_sink_flat_volume_enabled(root_sink)) {
2131 /* OK, propagate this volume change back to the inputs */
2132 propagate_reference_volume(root_sink);
2134 /* And now recalculate the real volume */
2135 compute_real_volume(root_sink);
2137 update_real_volume(root_sink, &root_sink->reference_volume, &root_sink->channel_map);
2141 /* If volume is NULL we synchronize the sink's real and
2142 * reference volumes with the stream volumes. */
2144 pa_assert(pa_sink_flat_volume_enabled(root_sink));
2146 /* Ok, let's determine the new real volume */
2147 compute_real_volume(root_sink);
2149 /* Let's 'push' the reference volume if necessary */
2150 pa_cvolume_merge(&new_reference_volume, &s->reference_volume, &root_sink->real_volume);
2151 /* If the sink and its root don't have the same number of channels, we need to remap */
2152 if (s != root_sink && !pa_channel_map_equal(&s->channel_map, &root_sink->channel_map))
2153 pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_sink->channel_map);
2154 update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save);
2156 /* Now that the reference volume is updated, we can update the streams'
2157 * reference ratios. */
2158 compute_reference_ratios(root_sink);
2161 if (root_sink->set_volume) {
2162 /* If we have a function set_volume(), then we do not apply a
2163 * soft volume by default. However, set_volume() is free to
2164 * apply one to root_sink->soft_volume */
2166 pa_cvolume_reset(&root_sink->soft_volume, root_sink->sample_spec.channels);
2167 if (!(root_sink->flags & PA_SINK_DEFERRED_VOLUME))
2168 root_sink->set_volume(root_sink);
2171 /* If we have no function set_volume(), then the soft volume
2172 * becomes the real volume */
2173 root_sink->soft_volume = root_sink->real_volume;
2175 /* This tells the sink that soft volume and/or real volume changed */
2177 pa_assert_se(pa_asyncmsgq_send(root_sink->asyncmsgq, PA_MSGOBJECT(root_sink), PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL) == 0);
2180 /* Called from the io thread if sync volume is used, otherwise from the main thread.
2181 * Only to be called by sink implementor */
2182 void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume) {
2184 pa_sink_assert_ref(s);
2185 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2187 if (s->flags & PA_SINK_DEFERRED_VOLUME)
2188 pa_sink_assert_io_context(s);
2190 pa_assert_ctl_context();
2193 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
2195 s->soft_volume = *volume;
2197 if (PA_SINK_IS_LINKED(s->state) && !(s->flags & PA_SINK_DEFERRED_VOLUME))
2198 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
2200 s->thread_info.soft_volume = s->soft_volume;
2203 /* Called from the main thread. Only called for the root sink in volume sharing
2204 * cases, except for internal recursive calls. */
2205 static void propagate_real_volume(pa_sink *s, const pa_cvolume *old_real_volume) {
2209 pa_sink_assert_ref(s);
2210 pa_assert(old_real_volume);
2211 pa_assert_ctl_context();
2212 pa_assert(PA_SINK_IS_LINKED(s->state));
2214 /* This is called when the hardware's real volume changes due to
2215 * some external event. We copy the real volume into our
2216 * reference volume and then rebuild the stream volumes based on
2217 * i->real_ratio which should stay fixed. */
2219 if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
2220 if (pa_cvolume_equal(old_real_volume, &s->real_volume))
2223 /* 1. Make the real volume the reference volume */
2224 update_reference_volume(s, &s->real_volume, &s->channel_map, true);
2227 if (pa_sink_flat_volume_enabled(s)) {
2229 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2230 pa_cvolume new_volume;
2232 /* 2. Since the sink's reference and real volumes are equal
2233 * now our ratios should be too. */
2234 pa_sink_input_set_reference_ratio(i, &i->real_ratio);
2236 /* 3. Recalculate the new stream reference volume based on the
2237 * reference ratio and the sink's reference volume.
2239 * This basically calculates:
2241 * i->volume = s->reference_volume * i->reference_ratio
2243 * This is identical to propagate_reference_volume() */
2244 new_volume = s->reference_volume;
2245 pa_cvolume_remap(&new_volume, &s->channel_map, &i->channel_map);
2246 pa_sw_cvolume_multiply(&new_volume, &new_volume, &i->reference_ratio);
2247 pa_sink_input_set_volume_direct(i, &new_volume);
2249 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
2250 && PA_SINK_IS_LINKED(i->origin_sink->state))
2251 propagate_real_volume(i->origin_sink, old_real_volume);
2255 /* Something got changed in the hardware. It probably makes sense
2256 * to save changed hw settings given that hw volume changes not
2257 * triggered by PA are almost certainly done by the user. */
2258 if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
2259 s->save_volume = true;
2262 /* Called from io thread */
2263 void pa_sink_update_volume_and_mute(pa_sink *s) {
2265 pa_sink_assert_io_context(s);
2267 pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE, NULL, 0, NULL, NULL);
2270 /* Called from main thread */
2271 const pa_cvolume *pa_sink_get_volume(pa_sink *s, bool force_refresh) {
2272 pa_sink_assert_ref(s);
2273 pa_assert_ctl_context();
2274 pa_assert(PA_SINK_IS_LINKED(s->state));
2276 if (s->refresh_volume || force_refresh) {
2277 struct pa_cvolume old_real_volume;
2279 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2281 old_real_volume = s->real_volume;
2283 if (!(s->flags & PA_SINK_DEFERRED_VOLUME) && s->get_volume)
2286 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, NULL, 0, NULL) == 0);
2288 update_real_volume(s, &s->real_volume, &s->channel_map);
2289 propagate_real_volume(s, &old_real_volume);
2292 return &s->reference_volume;
2295 /* Called from main thread. In volume sharing cases, only the root sink may
2297 void pa_sink_volume_changed(pa_sink *s, const pa_cvolume *new_real_volume) {
2298 pa_cvolume old_real_volume;
2300 pa_sink_assert_ref(s);
2301 pa_assert_ctl_context();
2302 pa_assert(PA_SINK_IS_LINKED(s->state));
2303 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2305 /* The sink implementor may call this if the volume changed to make sure everyone is notified */
2307 old_real_volume = s->real_volume;
2308 update_real_volume(s, new_real_volume, &s->channel_map);
2309 propagate_real_volume(s, &old_real_volume);
2312 /* Called from main thread */
2313 void pa_sink_set_mute(pa_sink *s, bool mute, bool save) {
2316 pa_sink_assert_ref(s);
2317 pa_assert_ctl_context();
2319 old_muted = s->muted;
2321 if (mute == old_muted) {
2322 s->save_muted |= save;
2327 s->save_muted = save;
2329 if (!(s->flags & PA_SINK_DEFERRED_VOLUME) && s->set_mute) {
2330 s->set_mute_in_progress = true;
2332 s->set_mute_in_progress = false;
2335 if (!PA_SINK_IS_LINKED(s->state))
2338 pa_log_debug("The mute of sink %s changed from %s to %s.", s->name, pa_yes_no(old_muted), pa_yes_no(mute));
2339 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
2340 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2341 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_MUTE_CHANGED], s);
2344 /* Called from main thread */
2345 bool pa_sink_get_mute(pa_sink *s, bool force_refresh) {
2347 pa_sink_assert_ref(s);
2348 pa_assert_ctl_context();
2349 pa_assert(PA_SINK_IS_LINKED(s->state));
2351 if ((s->refresh_muted || force_refresh) && s->get_mute) {
2354 if (s->flags & PA_SINK_DEFERRED_VOLUME) {
2355 if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, &mute, 0, NULL) >= 0)
2356 pa_sink_mute_changed(s, mute);
2358 if (s->get_mute(s, &mute) >= 0)
2359 pa_sink_mute_changed(s, mute);
2366 /* Called from main thread */
2367 void pa_sink_mute_changed(pa_sink *s, bool new_muted) {
2368 pa_sink_assert_ref(s);
2369 pa_assert_ctl_context();
2370 pa_assert(PA_SINK_IS_LINKED(s->state));
2372 if (s->set_mute_in_progress)
2375 /* pa_sink_set_mute() does this same check, so this may appear redundant,
2376 * but we must have this here also, because the save parameter of
2377 * pa_sink_set_mute() would otherwise have unintended side effects (saving
2378 * the mute state when it shouldn't be saved). */
2379 if (new_muted == s->muted)
2382 pa_sink_set_mute(s, new_muted, true);
2385 /* Called from main thread */
2386 bool pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p) {
2387 pa_sink_assert_ref(s);
2388 pa_assert_ctl_context();
2391 pa_proplist_update(s->proplist, mode, p);
2393 if (PA_SINK_IS_LINKED(s->state)) {
2394 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
2395 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2401 /* Called from main thread */
2402 /* FIXME -- this should be dropped and be merged into pa_sink_update_proplist() */
2403 void pa_sink_set_description(pa_sink *s, const char *description) {
2405 pa_sink_assert_ref(s);
2406 pa_assert_ctl_context();
2408 if (!description && !pa_proplist_contains(s->proplist, PA_PROP_DEVICE_DESCRIPTION))
2411 old = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
2413 if (old && description && pa_streq(old, description))
2417 pa_proplist_sets(s->proplist, PA_PROP_DEVICE_DESCRIPTION, description);
2419 pa_proplist_unset(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
2421 if (s->monitor_source) {
2424 n = pa_sprintf_malloc("Monitor Source of %s", description ? description : s->name);
2425 pa_source_set_description(s->monitor_source, n);
2429 if (PA_SINK_IS_LINKED(s->state)) {
2430 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2431 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
2435 /* Called from main thread */
2436 unsigned pa_sink_linked_by(pa_sink *s) {
2439 pa_sink_assert_ref(s);
2440 pa_assert_ctl_context();
2441 pa_assert(PA_SINK_IS_LINKED(s->state));
2443 ret = pa_idxset_size(s->inputs);
2445 /* We add in the number of streams connected to us here. Please
2446 * note the asymmetry to pa_sink_used_by()! */
2448 if (s->monitor_source)
2449 ret += pa_source_linked_by(s->monitor_source);
2454 /* Called from main thread */
2455 unsigned pa_sink_used_by(pa_sink *s) {
2458 pa_sink_assert_ref(s);
2459 pa_assert_ctl_context();
2460 pa_assert(PA_SINK_IS_LINKED(s->state));
2462 ret = pa_idxset_size(s->inputs);
2463 pa_assert(ret >= s->n_corked);
2465 /* Streams connected to our monitor source do not matter for
2466 * pa_sink_used_by()!.*/
2468 return ret - s->n_corked;
2471 /* Called from main thread */
2472 unsigned pa_sink_check_suspend(pa_sink *s, pa_sink_input *ignore_input, pa_source_output *ignore_output) {
2477 pa_sink_assert_ref(s);
2478 pa_assert_ctl_context();
2480 if (!PA_SINK_IS_LINKED(s->state))
2485 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2486 if (i == ignore_input)
2489 /* We do not assert here. It is perfectly valid for a sink input to
2490 * be in the INIT state (i.e. created, marked done but not yet put)
2491 * and we should not care if it's unlinked as it won't contribute
2492 * towards our busy status.
2494 if (!PA_SINK_INPUT_IS_LINKED(i->state))
2497 if (i->state == PA_SINK_INPUT_CORKED)
2500 if (i->flags & PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND)
2506 if (s->monitor_source)
2507 ret += pa_source_check_suspend(s->monitor_source, ignore_output);
2512 const char *pa_sink_state_to_string(pa_sink_state_t state) {
2514 case PA_SINK_INIT: return "INIT";
2515 case PA_SINK_IDLE: return "IDLE";
2516 case PA_SINK_RUNNING: return "RUNNING";
2517 case PA_SINK_SUSPENDED: return "SUSPENDED";
2518 case PA_SINK_UNLINKED: return "UNLINKED";
2519 case PA_SINK_INVALID_STATE: return "INVALID_STATE";
2522 pa_assert_not_reached();
2525 /* Called from the IO thread */
2526 static void sync_input_volumes_within_thread(pa_sink *s) {
2530 pa_sink_assert_ref(s);
2531 pa_sink_assert_io_context(s);
2533 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
2534 if (pa_cvolume_equal(&i->thread_info.soft_volume, &i->soft_volume))
2537 i->thread_info.soft_volume = i->soft_volume;
2538 pa_sink_input_request_rewind(i, 0, true, false, false);
2542 /* Called from the IO thread. Only called for the root sink in volume sharing
2543 * cases, except for internal recursive calls. */
2544 static void set_shared_volume_within_thread(pa_sink *s) {
2545 pa_sink_input *i = NULL;
2548 pa_sink_assert_ref(s);
2550 PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME_SYNCED, NULL, 0, NULL);
2552 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
2553 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
2554 set_shared_volume_within_thread(i->origin_sink);
2558 /* Called from IO thread, except when it is not */
2559 int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
2560 pa_sink *s = PA_SINK(o);
2561 pa_sink_assert_ref(s);
2563 switch ((pa_sink_message_t) code) {
2565 case PA_SINK_MESSAGE_ADD_INPUT: {
2566 pa_sink_input *i = PA_SINK_INPUT(userdata);
2568 /* If you change anything here, make sure to change the
2569 * sink input handling a few lines down at
2570 * PA_SINK_MESSAGE_FINISH_MOVE, too. */
2572 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
2574 /* Since the caller sleeps in pa_sink_input_put(), we can
2575 * safely access data outside of thread_info even though
2578 if ((i->thread_info.sync_prev = i->sync_prev)) {
2579 pa_assert(i->sink == i->thread_info.sync_prev->sink);
2580 pa_assert(i->sync_prev->sync_next == i);
2581 i->thread_info.sync_prev->thread_info.sync_next = i;
2584 if ((i->thread_info.sync_next = i->sync_next)) {
2585 pa_assert(i->sink == i->thread_info.sync_next->sink);
2586 pa_assert(i->sync_next->sync_prev == i);
2587 i->thread_info.sync_next->thread_info.sync_prev = i;
2590 pa_sink_input_attach(i);
2592 pa_sink_input_set_state_within_thread(i, i->state);
2594 /* The requested latency of the sink input needs to be fixed up and
2595 * then configured on the sink. If this causes the sink latency to
2596 * go down, the sink implementor is responsible for doing a rewind
2597 * in the update_requested_latency() callback to ensure that the
2598 * sink buffer doesn't contain more data than what the new latency
2601 * XXX: Does it really make sense to push this responsibility to
2602 * the sink implementors? Wouldn't it be better to do it once in
2603 * the core than many times in the modules? */
2605 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
2606 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
2608 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
2609 pa_sink_input_update_max_request(i, s->thread_info.max_request);
2611 /* We don't rewind here automatically. This is left to the
2612 * sink input implementor because some sink inputs need a
2613 * slow start, i.e. need some time to buffer client
2614 * samples before beginning streaming.
2616 * XXX: Does it really make sense to push this functionality to
2617 * the sink implementors? Wouldn't it be better to do it once in
2618 * the core than many times in the modules? */
2620 /* In flat volume mode we need to update the volume as
2622 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2625 case PA_SINK_MESSAGE_REMOVE_INPUT: {
2626 pa_sink_input *i = PA_SINK_INPUT(userdata);
2628 /* If you change anything here, make sure to change the
2629 * sink input handling a few lines down at
2630 * PA_SINK_MESSAGE_START_MOVE, too. */
2632 pa_sink_input_detach(i);
2634 pa_sink_input_set_state_within_thread(i, i->state);
2636 /* Since the caller sleeps in pa_sink_input_unlink(),
2637 * we can safely access data outside of thread_info even
2638 * though it is mutable */
2640 pa_assert(!i->sync_prev);
2641 pa_assert(!i->sync_next);
2643 if (i->thread_info.sync_prev) {
2644 i->thread_info.sync_prev->thread_info.sync_next = i->thread_info.sync_prev->sync_next;
2645 i->thread_info.sync_prev = NULL;
2648 if (i->thread_info.sync_next) {
2649 i->thread_info.sync_next->thread_info.sync_prev = i->thread_info.sync_next->sync_prev;
2650 i->thread_info.sync_next = NULL;
2653 pa_hashmap_remove_and_free(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index));
2654 pa_sink_invalidate_requested_latency(s, true);
2655 pa_sink_request_rewind(s, (size_t) -1);
2657 /* In flat volume mode we need to update the volume as
2659 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2662 case PA_SINK_MESSAGE_START_MOVE: {
2663 pa_sink_input *i = PA_SINK_INPUT(userdata);
2665 /* We don't support moving synchronized streams. */
2666 pa_assert(!i->sync_prev);
2667 pa_assert(!i->sync_next);
2668 pa_assert(!i->thread_info.sync_next);
2669 pa_assert(!i->thread_info.sync_prev);
2671 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
2673 size_t sink_nbytes, total_nbytes;
2675 /* The old sink probably has some audio from this
2676 * stream in its buffer. We want to "take it back" as
2677 * much as possible and play it to the new sink. We
2678 * don't know at this point how much the old sink can
2679 * rewind. We have to pick something, and that
2680 * something is the full latency of the old sink here.
2681 * So we rewind the stream buffer by the sink latency
2682 * amount, which may be more than what we should
2683 * rewind. This can result in a chunk of audio being
2684 * played both to the old sink and the new sink.
2686 * FIXME: Fix this code so that we don't have to make
2687 * guesses about how much the sink will actually be
2688 * able to rewind. If someone comes up with a solution
2689 * for this, something to note is that the part of the
2690 * latency that the old sink couldn't rewind should
2691 * ideally be compensated after the stream has moved
2692 * to the new sink by adding silence. The new sink
2693 * most likely can't start playing the moved stream
2694 * immediately, and that gap should be removed from
2695 * the "compensation silence" (at least at the time of
2696 * writing this, the move finish code will actually
2697 * already take care of dropping the new sink's
2698 * unrewindable latency, so taking into account the
2699 * unrewindable latency of the old sink is the only
2702 * The render_memblockq contents are discarded,
2703 * because when the sink changes, the format of the
2704 * audio stored in the render_memblockq may change
2705 * too, making the stored audio invalid. FIXME:
2706 * However, the read and write indices are moved back
2707 * the same amount, so if they are not the same now,
2708 * they won't be the same after the rewind either. If
2709 * the write index of the render_memblockq is ahead of
2710 * the read index, then the render_memblockq will feed
2711 * the new sink some silence first, which it shouldn't
2712 * do. The write index should be flushed to be the
2713 * same as the read index. */
2715 /* Get the latency of the sink */
2716 usec = pa_sink_get_latency_within_thread(s, false);
2717 sink_nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
2718 total_nbytes = sink_nbytes + pa_memblockq_get_length(i->thread_info.render_memblockq);
2720 if (total_nbytes > 0) {
2721 i->thread_info.rewrite_nbytes = i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, total_nbytes) : total_nbytes;
2722 i->thread_info.rewrite_flush = true;
2723 pa_sink_input_process_rewind(i, sink_nbytes);
2727 pa_sink_input_detach(i);
2729 /* Let's remove the sink input ...*/
2730 pa_hashmap_remove_and_free(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index));
2732 pa_sink_invalidate_requested_latency(s, true);
2734 pa_log_debug("Requesting rewind due to started move");
2735 pa_sink_request_rewind(s, (size_t) -1);
2737 /* In flat volume mode we need to update the volume as
2739 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2742 case PA_SINK_MESSAGE_FINISH_MOVE: {
2743 pa_sink_input *i = PA_SINK_INPUT(userdata);
2745 /* We don't support moving synchronized streams. */
2746 pa_assert(!i->sync_prev);
2747 pa_assert(!i->sync_next);
2748 pa_assert(!i->thread_info.sync_next);
2749 pa_assert(!i->thread_info.sync_prev);
2751 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
2753 pa_sink_input_attach(i);
2755 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
2759 /* In the ideal case the new sink would start playing
2760 * the stream immediately. That requires the sink to
2761 * be able to rewind all of its latency, which usually
2762 * isn't possible, so there will probably be some gap
2763 * before the moved stream becomes audible. We then
2764 * have two possibilities: 1) start playing the stream
2765 * from where it is now, or 2) drop the unrewindable
2766 * latency of the sink from the stream. With option 1
2767 * we won't lose any audio but the stream will have a
2768 * pause. With option 2 we may lose some audio but the
2769 * stream time will be somewhat in sync with the wall
2770 * clock. Lennart seems to have chosen option 2 (one
2771 * of the reasons might have been that option 1 is
2772 * actually much harder to implement), so we drop the
2773 * latency of the new sink from the moved stream and
2774 * hope that the sink will undo most of that in the
2777 /* Get the latency of the sink */
2778 usec = pa_sink_get_latency_within_thread(s, false);
2779 nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
2782 pa_sink_input_drop(i, nbytes);
2784 pa_log_debug("Requesting rewind due to finished move");
2785 pa_sink_request_rewind(s, nbytes);
2788 /* Updating the requested sink latency has to be done
2789 * after the sink rewind request, not before, because
2790 * otherwise the sink may limit the rewind amount
2793 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
2794 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
2796 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
2797 pa_sink_input_update_max_request(i, s->thread_info.max_request);
2799 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2802 case PA_SINK_MESSAGE_SET_SHARED_VOLUME: {
2803 pa_sink *root_sink = pa_sink_get_master(s);
2805 if (PA_LIKELY(root_sink))
2806 set_shared_volume_within_thread(root_sink);
2811 case PA_SINK_MESSAGE_SET_VOLUME_SYNCED:
2813 if (s->flags & PA_SINK_DEFERRED_VOLUME) {
2815 pa_sink_volume_change_push(s);
2817 /* Fall through ... */
2819 case PA_SINK_MESSAGE_SET_VOLUME:
2821 if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
2822 s->thread_info.soft_volume = s->soft_volume;
2823 pa_sink_request_rewind(s, (size_t) -1);
2826 /* Fall through ... */
2828 case PA_SINK_MESSAGE_SYNC_VOLUMES:
2829 sync_input_volumes_within_thread(s);
2832 case PA_SINK_MESSAGE_GET_VOLUME:
2834 if ((s->flags & PA_SINK_DEFERRED_VOLUME) && s->get_volume) {
2836 pa_sink_volume_change_flush(s);
2837 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
2840 /* In case sink implementor reset SW volume. */
2841 if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
2842 s->thread_info.soft_volume = s->soft_volume;
2843 pa_sink_request_rewind(s, (size_t) -1);
2848 case PA_SINK_MESSAGE_SET_MUTE:
2850 if (s->thread_info.soft_muted != s->muted) {
2851 s->thread_info.soft_muted = s->muted;
2852 pa_sink_request_rewind(s, (size_t) -1);
2855 if (s->flags & PA_SINK_DEFERRED_VOLUME && s->set_mute)
2860 case PA_SINK_MESSAGE_GET_MUTE:
2862 if (s->flags & PA_SINK_DEFERRED_VOLUME && s->get_mute)
2863 return s->get_mute(s, userdata);
2867 case PA_SINK_MESSAGE_SET_STATE: {
2868 struct set_state_data *data = userdata;
2869 bool suspend_change =
2870 (s->thread_info.state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(data->state)) ||
2871 (PA_SINK_IS_OPENED(s->thread_info.state) && data->state == PA_SINK_SUSPENDED);
2873 if (s->set_state_in_io_thread) {
2876 if ((r = s->set_state_in_io_thread(s, data->state, data->suspend_cause)) < 0)
2880 s->thread_info.state = data->state;
2882 if (s->thread_info.state == PA_SINK_SUSPENDED) {
2883 s->thread_info.rewind_nbytes = 0;
2884 s->thread_info.rewind_requested = false;
2887 if (suspend_change) {
2891 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
2892 if (i->suspend_within_thread)
2893 i->suspend_within_thread(i, s->thread_info.state == PA_SINK_SUSPENDED);
2899 case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY: {
2901 pa_usec_t *usec = userdata;
2902 *usec = pa_sink_get_requested_latency_within_thread(s);
2904 /* Yes, that's right, the IO thread will see -1 when no
2905 * explicit requested latency is configured, the main
2906 * thread will see max_latency */
2907 if (*usec == (pa_usec_t) -1)
2908 *usec = s->thread_info.max_latency;
2913 case PA_SINK_MESSAGE_SET_LATENCY_RANGE: {
2914 pa_usec_t *r = userdata;
2916 pa_sink_set_latency_range_within_thread(s, r[0], r[1]);
2921 case PA_SINK_MESSAGE_GET_LATENCY_RANGE: {
2922 pa_usec_t *r = userdata;
2924 r[0] = s->thread_info.min_latency;
2925 r[1] = s->thread_info.max_latency;
2930 case PA_SINK_MESSAGE_GET_FIXED_LATENCY:
2932 *((pa_usec_t*) userdata) = s->thread_info.fixed_latency;
2935 case PA_SINK_MESSAGE_SET_FIXED_LATENCY:
2937 pa_sink_set_fixed_latency_within_thread(s, (pa_usec_t) offset);
2940 case PA_SINK_MESSAGE_GET_MAX_REWIND:
2942 *((size_t*) userdata) = s->thread_info.max_rewind;
2945 case PA_SINK_MESSAGE_GET_MAX_REQUEST:
2947 *((size_t*) userdata) = s->thread_info.max_request;
2950 case PA_SINK_MESSAGE_SET_MAX_REWIND:
2952 pa_sink_set_max_rewind_within_thread(s, (size_t) offset);
2955 case PA_SINK_MESSAGE_SET_MAX_REQUEST:
2957 pa_sink_set_max_request_within_thread(s, (size_t) offset);
2960 case PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE:
2961 /* This message is sent from IO-thread and handled in main thread. */
2962 pa_assert_ctl_context();
2964 /* Make sure we're not messing with main thread when no longer linked */
2965 if (!PA_SINK_IS_LINKED(s->state))
2968 pa_sink_get_volume(s, true);
2969 pa_sink_get_mute(s, true);
2972 case PA_SINK_MESSAGE_SET_PORT_LATENCY_OFFSET:
2973 s->thread_info.port_latency_offset = offset;
2976 case PA_SINK_MESSAGE_GET_LATENCY:
2977 case PA_SINK_MESSAGE_MAX:
2984 /* Called from main thread */
2985 int pa_sink_suspend_all(pa_core *c, bool suspend, pa_suspend_cause_t cause) {
2990 pa_core_assert_ref(c);
2991 pa_assert_ctl_context();
2992 pa_assert(cause != 0);
2994 PA_IDXSET_FOREACH(sink, c->sinks, idx) {
2997 if ((r = pa_sink_suspend(sink, suspend, cause)) < 0)
3004 /* Called from IO thread */
3005 void pa_sink_detach_within_thread(pa_sink *s) {
3009 pa_sink_assert_ref(s);
3010 pa_sink_assert_io_context(s);
3011 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
3013 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3014 pa_sink_input_detach(i);
3016 if (s->monitor_source)
3017 pa_source_detach_within_thread(s->monitor_source);
3020 /* Called from IO thread */
3021 void pa_sink_attach_within_thread(pa_sink *s) {
3025 pa_sink_assert_ref(s);
3026 pa_sink_assert_io_context(s);
3027 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
3029 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3030 pa_sink_input_attach(i);
3032 if (s->monitor_source)
3033 pa_source_attach_within_thread(s->monitor_source);
3036 /* Called from IO thread */
3037 void pa_sink_request_rewind(pa_sink*s, size_t nbytes) {
3038 pa_sink_assert_ref(s);
3039 pa_sink_assert_io_context(s);
3040 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
3042 if (nbytes == (size_t) -1)
3043 nbytes = s->thread_info.max_rewind;
3045 nbytes = PA_MIN(nbytes, s->thread_info.max_rewind);
3047 if (s->thread_info.rewind_requested &&
3048 nbytes <= s->thread_info.rewind_nbytes)
3051 s->thread_info.rewind_nbytes = nbytes;
3052 s->thread_info.rewind_requested = true;
3054 if (s->request_rewind)
3055 s->request_rewind(s);
3058 /* Called from IO thread */
3059 pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) {
3060 pa_usec_t result = (pa_usec_t) -1;
3063 pa_usec_t monitor_latency;
3065 pa_sink_assert_ref(s);
3066 pa_sink_assert_io_context(s);
3068 if (!(s->flags & PA_SINK_DYNAMIC_LATENCY))
3069 return PA_CLAMP(s->thread_info.fixed_latency, s->thread_info.min_latency, s->thread_info.max_latency);
3071 if (s->thread_info.requested_latency_valid)
3072 return s->thread_info.requested_latency;
3074 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3075 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1 &&
3076 (result == (pa_usec_t) -1 || result > i->thread_info.requested_sink_latency))
3077 result = i->thread_info.requested_sink_latency;
3079 monitor_latency = pa_source_get_requested_latency_within_thread(s->monitor_source);
3081 if (monitor_latency != (pa_usec_t) -1 &&
3082 (result == (pa_usec_t) -1 || result > monitor_latency))
3083 result = monitor_latency;
3085 if (result != (pa_usec_t) -1)
3086 result = PA_CLAMP(result, s->thread_info.min_latency, s->thread_info.max_latency);
3088 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3089 /* Only cache if properly initialized */
3090 s->thread_info.requested_latency = result;
3091 s->thread_info.requested_latency_valid = true;
3097 /* Called from main thread */
3098 pa_usec_t pa_sink_get_requested_latency(pa_sink *s) {
3101 pa_sink_assert_ref(s);
3102 pa_assert_ctl_context();
3103 pa_assert(PA_SINK_IS_LINKED(s->state));
3105 if (s->state == PA_SINK_SUSPENDED)
3108 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
3113 /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
3114 void pa_sink_set_max_rewind_within_thread(pa_sink *s, size_t max_rewind) {
3118 pa_sink_assert_ref(s);
3119 pa_sink_assert_io_context(s);
3121 if (max_rewind == s->thread_info.max_rewind)
3124 s->thread_info.max_rewind = max_rewind;
3126 if (PA_SINK_IS_LINKED(s->thread_info.state))
3127 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3128 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
3130 if (s->monitor_source)
3131 pa_source_set_max_rewind_within_thread(s->monitor_source, s->thread_info.max_rewind);
3134 /* Called from main thread */
3135 void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind) {
3136 pa_sink_assert_ref(s);
3137 pa_assert_ctl_context();
3139 if (PA_SINK_IS_LINKED(s->state))
3140 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MAX_REWIND, NULL, max_rewind, NULL) == 0);
3142 pa_sink_set_max_rewind_within_thread(s, max_rewind);
3145 /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
3146 void pa_sink_set_max_request_within_thread(pa_sink *s, size_t max_request) {
3149 pa_sink_assert_ref(s);
3150 pa_sink_assert_io_context(s);
3152 if (max_request == s->thread_info.max_request)
3155 s->thread_info.max_request = max_request;
3157 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3160 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3161 pa_sink_input_update_max_request(i, s->thread_info.max_request);
3165 /* Called from main thread */
3166 void pa_sink_set_max_request(pa_sink *s, size_t max_request) {
3167 pa_sink_assert_ref(s);
3168 pa_assert_ctl_context();
3170 if (PA_SINK_IS_LINKED(s->state))
3171 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MAX_REQUEST, NULL, max_request, NULL) == 0);
3173 pa_sink_set_max_request_within_thread(s, max_request);
3176 /* Called from IO thread */
3177 void pa_sink_invalidate_requested_latency(pa_sink *s, bool dynamic) {
3181 pa_sink_assert_ref(s);
3182 pa_sink_assert_io_context(s);
3184 if ((s->flags & PA_SINK_DYNAMIC_LATENCY))
3185 s->thread_info.requested_latency_valid = false;
3189 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3191 if (s->update_requested_latency)
3192 s->update_requested_latency(s);
3194 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3195 if (i->update_sink_requested_latency)
3196 i->update_sink_requested_latency(i);
3200 /* Called from main thread */
3201 void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
3202 pa_sink_assert_ref(s);
3203 pa_assert_ctl_context();
3205 /* min_latency == 0: no limit
3206 * min_latency anything else: specified limit
3208 * Similar for max_latency */
3210 if (min_latency < ABSOLUTE_MIN_LATENCY)
3211 min_latency = ABSOLUTE_MIN_LATENCY;
3213 if (max_latency <= 0 ||
3214 max_latency > ABSOLUTE_MAX_LATENCY)
3215 max_latency = ABSOLUTE_MAX_LATENCY;
3217 pa_assert(min_latency <= max_latency);
3219 /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
3220 pa_assert((min_latency == ABSOLUTE_MIN_LATENCY &&
3221 max_latency == ABSOLUTE_MAX_LATENCY) ||
3222 (s->flags & PA_SINK_DYNAMIC_LATENCY));
3224 if (PA_SINK_IS_LINKED(s->state)) {
3230 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0);
3232 pa_sink_set_latency_range_within_thread(s, min_latency, max_latency);
3235 /* Called from main thread */
3236 void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
3237 pa_sink_assert_ref(s);
3238 pa_assert_ctl_context();
3239 pa_assert(min_latency);
3240 pa_assert(max_latency);
3242 if (PA_SINK_IS_LINKED(s->state)) {
3243 pa_usec_t r[2] = { 0, 0 };
3245 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
3247 *min_latency = r[0];
3248 *max_latency = r[1];
3250 *min_latency = s->thread_info.min_latency;
3251 *max_latency = s->thread_info.max_latency;
3255 /* Called from IO thread */
3256 void pa_sink_set_latency_range_within_thread(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
3257 pa_sink_assert_ref(s);
3258 pa_sink_assert_io_context(s);
3260 pa_assert(min_latency >= ABSOLUTE_MIN_LATENCY);
3261 pa_assert(max_latency <= ABSOLUTE_MAX_LATENCY);
3262 pa_assert(min_latency <= max_latency);
3264 /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
3265 pa_assert((min_latency == ABSOLUTE_MIN_LATENCY &&
3266 max_latency == ABSOLUTE_MAX_LATENCY) ||
3267 (s->flags & PA_SINK_DYNAMIC_LATENCY));
3269 if (s->thread_info.min_latency == min_latency &&
3270 s->thread_info.max_latency == max_latency)
3273 s->thread_info.min_latency = min_latency;
3274 s->thread_info.max_latency = max_latency;
3276 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3280 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3281 if (i->update_sink_latency_range)
3282 i->update_sink_latency_range(i);
3285 pa_sink_invalidate_requested_latency(s, false);
3287 pa_source_set_latency_range_within_thread(s->monitor_source, min_latency, max_latency);
3290 /* Called from main thread */
3291 void pa_sink_set_fixed_latency(pa_sink *s, pa_usec_t latency) {
3292 pa_sink_assert_ref(s);
3293 pa_assert_ctl_context();
3295 if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
3296 pa_assert(latency == 0);
3300 if (latency < ABSOLUTE_MIN_LATENCY)
3301 latency = ABSOLUTE_MIN_LATENCY;
3303 if (latency > ABSOLUTE_MAX_LATENCY)
3304 latency = ABSOLUTE_MAX_LATENCY;
3306 if (PA_SINK_IS_LINKED(s->state))
3307 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_FIXED_LATENCY, NULL, (int64_t) latency, NULL) == 0);
3309 s->thread_info.fixed_latency = latency;
3311 pa_source_set_fixed_latency(s->monitor_source, latency);
3314 /* Called from main thread */
3315 pa_usec_t pa_sink_get_fixed_latency(pa_sink *s) {
3318 pa_sink_assert_ref(s);
3319 pa_assert_ctl_context();
3321 if (s->flags & PA_SINK_DYNAMIC_LATENCY)
3324 if (PA_SINK_IS_LINKED(s->state))
3325 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_FIXED_LATENCY, &latency, 0, NULL) == 0);
3327 latency = s->thread_info.fixed_latency;
3332 /* Called from IO thread */
3333 void pa_sink_set_fixed_latency_within_thread(pa_sink *s, pa_usec_t latency) {
3334 pa_sink_assert_ref(s);
3335 pa_sink_assert_io_context(s);
3337 if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
3338 pa_assert(latency == 0);
3339 s->thread_info.fixed_latency = 0;
3341 if (s->monitor_source)
3342 pa_source_set_fixed_latency_within_thread(s->monitor_source, 0);
3347 pa_assert(latency >= ABSOLUTE_MIN_LATENCY);
3348 pa_assert(latency <= ABSOLUTE_MAX_LATENCY);
3350 if (s->thread_info.fixed_latency == latency)
3353 s->thread_info.fixed_latency = latency;
3355 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3359 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3360 if (i->update_sink_fixed_latency)
3361 i->update_sink_fixed_latency(i);
3364 pa_sink_invalidate_requested_latency(s, false);
3366 pa_source_set_fixed_latency_within_thread(s->monitor_source, latency);
3369 /* Called from main context */
3370 void pa_sink_set_port_latency_offset(pa_sink *s, int64_t offset) {
3371 pa_sink_assert_ref(s);
3373 s->port_latency_offset = offset;
3375 if (PA_SINK_IS_LINKED(s->state))
3376 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT_LATENCY_OFFSET, NULL, offset, NULL) == 0);
3378 s->thread_info.port_latency_offset = offset;
3380 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PORT_LATENCY_OFFSET_CHANGED], s);
3383 /* Called from main context */
3384 size_t pa_sink_get_max_rewind(pa_sink *s) {
3386 pa_assert_ctl_context();
3387 pa_sink_assert_ref(s);
3389 if (!PA_SINK_IS_LINKED(s->state))
3390 return s->thread_info.max_rewind;
3392 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0);
3397 /* Called from main context */
3398 size_t pa_sink_get_max_request(pa_sink *s) {
3400 pa_sink_assert_ref(s);
3401 pa_assert_ctl_context();
3403 if (!PA_SINK_IS_LINKED(s->state))
3404 return s->thread_info.max_request;
3406 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REQUEST, &r, 0, NULL) == 0);
3411 /* Called from main context */
3412 int pa_sink_set_port(pa_sink *s, const char *name, bool save) {
3413 pa_device_port *port;
3415 pa_sink_assert_ref(s);
3416 pa_assert_ctl_context();
3419 pa_log_debug("set_port() operation not implemented for sink %u \"%s\"", s->index, s->name);
3420 return -PA_ERR_NOTIMPLEMENTED;
3424 return -PA_ERR_NOENTITY;
3426 if (!(port = pa_hashmap_get(s->ports, name)))
3427 return -PA_ERR_NOENTITY;
3429 if (s->active_port == port) {
3430 s->save_port = s->save_port || save;
3434 if (s->set_port(s, port) < 0)
3435 return -PA_ERR_NOENTITY;
3437 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
3439 pa_log_info("Changed port of sink %u \"%s\" to %s", s->index, s->name, port->name);
3441 s->active_port = port;
3442 s->save_port = save;
3444 pa_sink_set_port_latency_offset(s, s->active_port->latency_offset);
3446 /* The active port affects the default sink selection. */
3447 pa_core_update_default_sink(s->core);
3449 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PORT_CHANGED], s);
3454 bool pa_device_init_icon(pa_proplist *p, bool is_sink) {
3455 const char *ff, *c, *t = NULL, *s = "", *profile, *bus;
3459 if (pa_proplist_contains(p, PA_PROP_DEVICE_ICON_NAME))
3462 if ((ff = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
3464 if (pa_streq(ff, "microphone"))
3465 t = "audio-input-microphone";
3466 else if (pa_streq(ff, "webcam"))
3468 else if (pa_streq(ff, "computer"))
3470 else if (pa_streq(ff, "handset"))
3472 else if (pa_streq(ff, "portable"))
3473 t = "multimedia-player";
3474 else if (pa_streq(ff, "tv"))
3475 t = "video-display";
3478 * The following icons are not part of the icon naming spec,
3479 * because Rodney Dawes sucks as the maintainer of that spec.
3481 * http://lists.freedesktop.org/archives/xdg/2009-May/010397.html
3483 else if (pa_streq(ff, "headset"))
3484 t = "audio-headset";
3485 else if (pa_streq(ff, "headphone"))
3486 t = "audio-headphones";
3487 else if (pa_streq(ff, "speaker"))
3488 t = "audio-speakers";
3489 else if (pa_streq(ff, "hands-free"))
3490 t = "audio-handsfree";
3494 if ((c = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
3495 if (pa_streq(c, "modem"))
3502 t = "audio-input-microphone";
3505 if ((profile = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
3506 if (strstr(profile, "analog"))
3508 else if (strstr(profile, "iec958"))
3510 else if (strstr(profile, "hdmi"))
3514 bus = pa_proplist_gets(p, PA_PROP_DEVICE_BUS);
3516 pa_proplist_setf(p, PA_PROP_DEVICE_ICON_NAME, "%s%s%s%s", t, pa_strempty(s), bus ? "-" : "", pa_strempty(bus));
3521 bool pa_device_init_description(pa_proplist *p, pa_card *card) {
3522 const char *s, *d = NULL, *k;
3525 if (pa_proplist_contains(p, PA_PROP_DEVICE_DESCRIPTION))
3529 if ((s = pa_proplist_gets(card->proplist, PA_PROP_DEVICE_DESCRIPTION)))
3533 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
3534 if (pa_streq(s, "internal"))
3535 d = _("Built-in Audio");
3538 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
3539 if (pa_streq(s, "modem"))
3543 d = pa_proplist_gets(p, PA_PROP_DEVICE_PRODUCT_NAME);
3548 k = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_DESCRIPTION);
3551 pa_proplist_setf(p, PA_PROP_DEVICE_DESCRIPTION, "%s %s", d, k);
3553 pa_proplist_sets(p, PA_PROP_DEVICE_DESCRIPTION, d);
3558 bool pa_device_init_intended_roles(pa_proplist *p) {
3562 if (pa_proplist_contains(p, PA_PROP_DEVICE_INTENDED_ROLES))
3565 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
3566 if (pa_streq(s, "handset") || pa_streq(s, "hands-free")
3567 || pa_streq(s, "headset")) {
3568 pa_proplist_sets(p, PA_PROP_DEVICE_INTENDED_ROLES, "phone");
3575 unsigned pa_device_init_priority(pa_proplist *p) {
3577 unsigned priority = 0;
3581 /* JACK sinks and sources get very high priority so that we'll switch the
3582 * default devices automatically when jackd starts and
3583 * module-jackdbus-detect creates the jack sink and source. */
3584 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_API))) {
3585 if (pa_streq(s, "jack"))
3589 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS))) {
3591 if (pa_streq(s, "sound"))
3593 else if (!pa_streq(s, "modem"))
3597 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
3599 if (pa_streq(s, "headphone"))
3601 else if (pa_streq(s, "hifi"))
3603 else if (pa_streq(s, "speaker"))
3605 else if (pa_streq(s, "portable"))
3609 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_BUS))) {
3611 if (pa_streq(s, "bluetooth"))
3613 else if (pa_streq(s, "usb"))
3615 else if (pa_streq(s, "pci"))
3619 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
3621 if (pa_startswith(s, "analog-")) {
3624 /* If an analog device has an intended role of "phone", it probably
3625 * co-exists with another device that is meant for everything else,
3626 * and that other device should have higher priority than the phone
3628 if (pa_str_in_list_spaces(pa_proplist_gets(p, PA_PROP_DEVICE_INTENDED_ROLES), "phone"))
3631 else if (pa_startswith(s, "iec958-"))
3638 PA_STATIC_FLIST_DECLARE(pa_sink_volume_change, 0, pa_xfree);
3640 /* Called from the IO thread. */
3641 static pa_sink_volume_change *pa_sink_volume_change_new(pa_sink *s) {
3642 pa_sink_volume_change *c;
3643 if (!(c = pa_flist_pop(PA_STATIC_FLIST_GET(pa_sink_volume_change))))
3644 c = pa_xnew(pa_sink_volume_change, 1);
3646 PA_LLIST_INIT(pa_sink_volume_change, c);
3648 pa_cvolume_reset(&c->hw_volume, s->sample_spec.channels);
3652 /* Called from the IO thread. */
3653 static void pa_sink_volume_change_free(pa_sink_volume_change *c) {
3655 if (pa_flist_push(PA_STATIC_FLIST_GET(pa_sink_volume_change), c) < 0)
3659 /* Called from the IO thread. */
3660 void pa_sink_volume_change_push(pa_sink *s) {
3661 pa_sink_volume_change *c = NULL;
3662 pa_sink_volume_change *nc = NULL;
3663 pa_sink_volume_change *pc = NULL;
3664 uint32_t safety_margin = s->thread_info.volume_change_safety_margin;
3666 const char *direction = NULL;
3669 nc = pa_sink_volume_change_new(s);
3671 /* NOTE: There is already more different volumes in pa_sink that I can remember.
3672 * Adding one more volume for HW would get us rid of this, but I am trying
3673 * to survive with the ones we already have. */
3674 pa_sw_cvolume_divide(&nc->hw_volume, &s->real_volume, &s->soft_volume);
3676 if (!s->thread_info.volume_changes && pa_cvolume_equal(&nc->hw_volume, &s->thread_info.current_hw_volume)) {
3677 pa_log_debug("Volume not changing");
3678 pa_sink_volume_change_free(nc);
3682 nc->at = pa_sink_get_latency_within_thread(s, false);
3683 nc->at += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
3685 if (s->thread_info.volume_changes_tail) {
3686 for (c = s->thread_info.volume_changes_tail; c; c = c->prev) {
3687 /* If volume is going up let's do it a bit late. If it is going
3688 * down let's do it a bit early. */
3689 if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&c->hw_volume)) {
3690 if (nc->at + safety_margin > c->at) {
3691 nc->at += safety_margin;
3696 else if (nc->at - safety_margin > c->at) {
3697 nc->at -= safety_margin;
3705 if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&s->thread_info.current_hw_volume)) {
3706 nc->at += safety_margin;
3709 nc->at -= safety_margin;
3712 PA_LLIST_PREPEND(pa_sink_volume_change, s->thread_info.volume_changes, nc);
3715 PA_LLIST_INSERT_AFTER(pa_sink_volume_change, s->thread_info.volume_changes, c, nc);
3718 pa_log_debug("Volume going %s to %d at %llu", direction, pa_cvolume_avg(&nc->hw_volume), (long long unsigned) nc->at);
3720 /* We can ignore volume events that came earlier but should happen later than this. */
3721 PA_LLIST_FOREACH_SAFE(c, pc, nc->next) {
3722 pa_log_debug("Volume change to %d at %llu was dropped", pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at);
3723 pa_sink_volume_change_free(c);
3726 s->thread_info.volume_changes_tail = nc;
3729 /* Called from the IO thread. */
3730 static void pa_sink_volume_change_flush(pa_sink *s) {
3731 pa_sink_volume_change *c = s->thread_info.volume_changes;
3733 s->thread_info.volume_changes = NULL;
3734 s->thread_info.volume_changes_tail = NULL;
3736 pa_sink_volume_change *next = c->next;
3737 pa_sink_volume_change_free(c);
3742 /* Called from the IO thread. */
3743 bool pa_sink_volume_change_apply(pa_sink *s, pa_usec_t *usec_to_next) {
3749 if (!s->thread_info.volume_changes || !PA_SINK_IS_LINKED(s->state)) {
3755 pa_assert(s->write_volume);
3757 now = pa_rtclock_now();
3759 while (s->thread_info.volume_changes && now >= s->thread_info.volume_changes->at) {
3760 pa_sink_volume_change *c = s->thread_info.volume_changes;
3761 PA_LLIST_REMOVE(pa_sink_volume_change, s->thread_info.volume_changes, c);
3762 pa_log_debug("Volume change to %d at %llu was written %llu usec late",
3763 pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at, (long long unsigned) (now - c->at));
3765 s->thread_info.current_hw_volume = c->hw_volume;
3766 pa_sink_volume_change_free(c);
3772 if (s->thread_info.volume_changes) {
3774 *usec_to_next = s->thread_info.volume_changes->at - now;
3775 if (pa_log_ratelimit(PA_LOG_DEBUG))
3776 pa_log_debug("Next volume change in %lld usec", (long long) (s->thread_info.volume_changes->at - now));
3781 s->thread_info.volume_changes_tail = NULL;
3786 /* Called from the IO thread. */
3787 static void pa_sink_volume_change_rewind(pa_sink *s, size_t nbytes) {
3788 /* All the queued volume events later than current latency are shifted to happen earlier. */
3789 pa_sink_volume_change *c;
3790 pa_volume_t prev_vol = pa_cvolume_avg(&s->thread_info.current_hw_volume);
3791 pa_usec_t rewound = pa_bytes_to_usec(nbytes, &s->sample_spec);
3792 pa_usec_t limit = pa_sink_get_latency_within_thread(s, false);
3794 pa_log_debug("latency = %lld", (long long) limit);
3795 limit += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
3797 PA_LLIST_FOREACH(c, s->thread_info.volume_changes) {
3798 pa_usec_t modified_limit = limit;
3799 if (prev_vol > pa_cvolume_avg(&c->hw_volume))
3800 modified_limit -= s->thread_info.volume_change_safety_margin;
3802 modified_limit += s->thread_info.volume_change_safety_margin;
3803 if (c->at > modified_limit) {
3805 if (c->at < modified_limit)
3806 c->at = modified_limit;
3808 prev_vol = pa_cvolume_avg(&c->hw_volume);
3810 pa_sink_volume_change_apply(s, NULL);
3813 /* Called from the main thread */
3814 /* Gets the list of formats supported by the sink. The members and idxset must
3815 * be freed by the caller. */
3816 pa_idxset* pa_sink_get_formats(pa_sink *s) {
3821 if (s->get_formats) {
3822 /* Sink supports format query, all is good */
3823 ret = s->get_formats(s);
3825 /* Sink doesn't support format query, so assume it does PCM */
3826 pa_format_info *f = pa_format_info_new();
3827 f->encoding = PA_ENCODING_PCM;
3829 ret = pa_idxset_new(NULL, NULL);
3830 pa_idxset_put(ret, f, NULL);
3836 /* Called from the main thread */
3837 /* Allows an external source to set what formats a sink supports if the sink
3838 * permits this. The function makes a copy of the formats on success. */
3839 bool pa_sink_set_formats(pa_sink *s, pa_idxset *formats) {
3844 /* Sink supports setting formats -- let's give it a shot */
3845 return s->set_formats(s, formats);
3847 /* Sink doesn't support setting this -- bail out */
3851 /* Called from the main thread */
3852 /* Checks if the sink can accept this format */
3853 bool pa_sink_check_format(pa_sink *s, pa_format_info *f) {
3854 pa_idxset *formats = NULL;
3860 formats = pa_sink_get_formats(s);
3863 pa_format_info *finfo_device;
3866 PA_IDXSET_FOREACH(finfo_device, formats, i) {
3867 if (pa_format_info_is_compatible(finfo_device, f)) {
3873 pa_idxset_free(formats, (pa_free_cb_t) pa_format_info_free);
3879 /* Called from the main thread */
3880 /* Calculates the intersection between formats supported by the sink and
3881 * in_formats, and returns these, in the order of the sink's formats. */
3882 pa_idxset* pa_sink_check_formats(pa_sink *s, pa_idxset *in_formats) {
3883 pa_idxset *out_formats = pa_idxset_new(NULL, NULL), *sink_formats = NULL;
3884 pa_format_info *f_sink, *f_in;
3889 if (!in_formats || pa_idxset_isempty(in_formats))
3892 sink_formats = pa_sink_get_formats(s);
3894 PA_IDXSET_FOREACH(f_sink, sink_formats, i) {
3895 PA_IDXSET_FOREACH(f_in, in_formats, j) {
3896 if (pa_format_info_is_compatible(f_sink, f_in))
3897 pa_idxset_put(out_formats, pa_format_info_copy(f_in), NULL);
3903 pa_idxset_free(sink_formats, (pa_free_cb_t) pa_format_info_free);
3908 /* Called from the main thread */
3909 void pa_sink_set_sample_format(pa_sink *s, pa_sample_format_t format) {
3910 pa_sample_format_t old_format;
3913 pa_assert(pa_sample_format_valid(format));
3915 old_format = s->sample_spec.format;
3916 if (old_format == format)
3919 pa_log_info("%s: format: %s -> %s",
3920 s->name, pa_sample_format_to_string(old_format), pa_sample_format_to_string(format));
3922 s->sample_spec.format = format;
3924 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
3927 /* Called from the main thread */
3928 void pa_sink_set_sample_rate(pa_sink *s, uint32_t rate) {
3932 pa_assert(pa_sample_rate_valid(rate));
3934 old_rate = s->sample_spec.rate;
3935 if (old_rate == rate)
3938 pa_log_info("%s: rate: %u -> %u", s->name, old_rate, rate);
3940 s->sample_spec.rate = rate;
3942 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
3945 /* Called from the main thread. */
3946 void pa_sink_set_reference_volume_direct(pa_sink *s, const pa_cvolume *volume) {
3947 pa_cvolume old_volume;
3948 char old_volume_str[PA_CVOLUME_SNPRINT_VERBOSE_MAX];
3949 char new_volume_str[PA_CVOLUME_SNPRINT_VERBOSE_MAX];
3954 old_volume = s->reference_volume;
3956 if (pa_cvolume_equal(volume, &old_volume))
3959 s->reference_volume = *volume;
3960 pa_log_debug("The reference volume of sink %s changed from %s to %s.", s->name,
3961 pa_cvolume_snprint_verbose(old_volume_str, sizeof(old_volume_str), &old_volume, &s->channel_map,
3962 s->flags & PA_SINK_DECIBEL_VOLUME),
3963 pa_cvolume_snprint_verbose(new_volume_str, sizeof(new_volume_str), volume, &s->channel_map,
3964 s->flags & PA_SINK_DECIBEL_VOLUME));
3966 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
3967 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_VOLUME_CHANGED], s);
3970 void pa_sink_move_streams_to_default_sink(pa_core *core, pa_sink *old_sink, bool default_sink_changed) {
3975 pa_assert(old_sink);
3977 if (core->state == PA_CORE_SHUTDOWN)
3980 if (core->default_sink == NULL || core->default_sink->unlink_requested)
3983 if (old_sink == core->default_sink)
3986 PA_IDXSET_FOREACH(i, old_sink->inputs, idx) {
3987 if (!PA_SINK_INPUT_IS_LINKED(i->state))
3993 /* Don't move sink-inputs which connect filter sinks to their target sinks */
3997 /* If default_sink_changed is false, the old sink became unavailable, so all streams must be moved. */
3998 if (pa_safe_streq(old_sink->name, i->preferred_sink) && default_sink_changed)
4001 if (!pa_sink_input_may_move_to(i, core->default_sink))
4004 if (default_sink_changed)
4005 pa_log_info("The sink input %u \"%s\" is moving to %s due to change of the default sink.",
4006 i->index, pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_APPLICATION_NAME)), core->default_sink->name);
4008 pa_log_info("The sink input %u \"%s\" is moving to %s, because the old sink became unavailable.",
4009 i->index, pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_APPLICATION_NAME)), core->default_sink->name);
4011 pa_sink_input_move_to(i, core->default_sink, false);