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, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
31 #include <pulse/introspect.h>
32 #include <pulse/format.h>
33 #include <pulse/utf8.h>
34 #include <pulse/xmalloc.h>
35 #include <pulse/timeval.h>
36 #include <pulse/util.h>
37 #include <pulse/rtclock.h>
38 #include <pulse/internal.h>
40 #include <pulsecore/i18n.h>
41 #include <pulsecore/sink-input.h>
42 #include <pulsecore/namereg.h>
43 #include <pulsecore/core-util.h>
44 #include <pulsecore/sample-util.h>
45 #include <pulsecore/core-subscribe.h>
46 #include <pulsecore/log.h>
47 #include <pulsecore/macro.h>
48 #include <pulsecore/play-memblockq.h>
49 #include <pulsecore/flist.h>
53 #define MAX_MIX_CHANNELS 32
54 #define MIX_BUFFER_LENGTH (PA_PAGE_SIZE)
55 #define ABSOLUTE_MIN_LATENCY (500)
56 #define ABSOLUTE_MAX_LATENCY (10*PA_USEC_PER_SEC)
57 #define DEFAULT_FIXED_LATENCY (250*PA_USEC_PER_MSEC)
59 PA_DEFINE_PUBLIC_CLASS(pa_sink, pa_msgobject);
61 struct pa_sink_volume_change {
65 PA_LLIST_FIELDS(pa_sink_volume_change);
68 struct sink_message_set_port {
73 static void sink_free(pa_object *s);
75 static void pa_sink_volume_change_push(pa_sink *s);
76 static void pa_sink_volume_change_flush(pa_sink *s);
77 static void pa_sink_volume_change_rewind(pa_sink *s, size_t nbytes);
79 pa_sink_new_data* pa_sink_new_data_init(pa_sink_new_data *data) {
83 data->proplist = pa_proplist_new();
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_volume(pa_sink_new_data *data, const pa_cvolume *volume) {
112 if ((data->volume_is_set = !!volume))
113 data->volume = *volume;
116 void pa_sink_new_data_set_muted(pa_sink_new_data *data, pa_bool_t mute) {
119 data->muted_is_set = TRUE;
120 data->muted = !!mute;
123 void pa_sink_new_data_set_port(pa_sink_new_data *data, const char *port) {
126 pa_xfree(data->active_port);
127 data->active_port = pa_xstrdup(port);
130 void pa_sink_new_data_done(pa_sink_new_data *data) {
133 pa_proplist_free(data->proplist);
138 while ((p = pa_hashmap_steal_first(data->ports)))
139 pa_device_port_free(p);
141 pa_hashmap_free(data->ports, NULL, NULL);
144 pa_xfree(data->name);
145 pa_xfree(data->active_port);
148 pa_device_port *pa_device_port_new(const char *name, const char *description, size_t extra) {
153 p = pa_xmalloc(PA_ALIGN(sizeof(pa_device_port)) + extra);
154 p->name = pa_xstrdup(name);
155 p->description = pa_xstrdup(description);
162 void pa_device_port_free(pa_device_port *p) {
166 pa_xfree(p->description);
170 /* Called from main context */
171 static void reset_callbacks(pa_sink *s) {
175 s->get_volume = NULL;
176 s->set_volume = NULL;
177 s->write_volume = NULL;
180 s->request_rewind = NULL;
181 s->update_requested_latency = NULL;
183 s->get_formats = NULL;
184 s->set_formats = NULL;
187 /* Called from main context */
188 pa_sink* pa_sink_new(
190 pa_sink_new_data *data,
191 pa_sink_flags_t flags) {
195 char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
196 pa_source_new_data source_data;
202 pa_assert(data->name);
203 pa_assert_ctl_context();
205 s = pa_msgobject_new(pa_sink);
207 if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SINK, s, data->namereg_fail))) {
208 pa_log_debug("Failed to register name %s.", data->name);
213 pa_sink_new_data_set_name(data, name);
215 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_NEW], data) < 0) {
217 pa_namereg_unregister(core, name);
221 /* FIXME, need to free s here on failure */
223 pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver));
224 pa_return_null_if_fail(data->name && pa_utf8_valid(data->name) && data->name[0]);
226 pa_return_null_if_fail(data->sample_spec_is_set && pa_sample_spec_valid(&data->sample_spec));
228 if (!data->channel_map_is_set)
229 pa_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT));
231 pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map));
232 pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels);
234 /* FIXME: There should probably be a general function for checking whether
235 * the sink volume is allowed to be set, like there is for sink inputs. */
236 pa_assert(!data->volume_is_set || !(flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
238 if (!data->volume_is_set) {
239 pa_cvolume_reset(&data->volume, data->sample_spec.channels);
240 data->save_volume = FALSE;
243 pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
244 pa_return_null_if_fail(pa_cvolume_compatible(&data->volume, &data->sample_spec));
246 if (!data->muted_is_set)
250 pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->card->proplist);
252 pa_device_init_description(data->proplist);
253 pa_device_init_icon(data->proplist, TRUE);
254 pa_device_init_intended_roles(data->proplist);
256 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_FIXATE], data) < 0) {
258 pa_namereg_unregister(core, name);
262 s->parent.parent.free = sink_free;
263 s->parent.process_msg = pa_sink_process_msg;
266 s->state = PA_SINK_INIT;
269 s->suspend_cause = 0;
270 s->name = pa_xstrdup(name);
271 s->proplist = pa_proplist_copy(data->proplist);
272 s->driver = pa_xstrdup(pa_path_get_filename(data->driver));
273 s->module = data->module;
274 s->card = data->card;
276 s->priority = pa_device_init_priority(s->proplist);
278 s->sample_spec = data->sample_spec;
279 s->channel_map = data->channel_map;
281 s->inputs = pa_idxset_new(NULL, NULL);
283 s->input_to_master = NULL;
285 s->reference_volume = s->real_volume = data->volume;
286 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
287 s->base_volume = PA_VOLUME_NORM;
288 s->n_volume_steps = PA_VOLUME_NORM+1;
289 s->muted = data->muted;
290 s->refresh_volume = s->refresh_muted = FALSE;
297 /* As a minor optimization we just steal the list instead of
299 s->ports = data->ports;
302 s->active_port = NULL;
303 s->save_port = FALSE;
305 if (data->active_port && s->ports)
306 if ((s->active_port = pa_hashmap_get(s->ports, data->active_port)))
307 s->save_port = data->save_port;
309 if (!s->active_port && s->ports) {
313 PA_HASHMAP_FOREACH(p, s->ports, state)
314 if (!s->active_port || p->priority > s->active_port->priority)
318 s->save_volume = data->save_volume;
319 s->save_muted = data->save_muted;
321 pa_silence_memchunk_get(
322 &core->silence_cache,
328 s->thread_info.rtpoll = NULL;
329 s->thread_info.inputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
330 s->thread_info.soft_volume = s->soft_volume;
331 s->thread_info.soft_muted = s->muted;
332 s->thread_info.state = s->state;
333 s->thread_info.rewind_nbytes = 0;
334 s->thread_info.rewind_requested = FALSE;
335 s->thread_info.max_rewind = 0;
336 s->thread_info.max_request = 0;
337 s->thread_info.requested_latency_valid = FALSE;
338 s->thread_info.requested_latency = 0;
339 s->thread_info.min_latency = ABSOLUTE_MIN_LATENCY;
340 s->thread_info.max_latency = ABSOLUTE_MAX_LATENCY;
341 s->thread_info.fixed_latency = flags & PA_SINK_DYNAMIC_LATENCY ? 0 : DEFAULT_FIXED_LATENCY;
343 PA_LLIST_HEAD_INIT(pa_sink_volume_change, s->thread_info.volume_changes);
344 s->thread_info.volume_changes_tail = NULL;
345 pa_sw_cvolume_multiply(&s->thread_info.current_hw_volume, &s->soft_volume, &s->real_volume);
346 s->thread_info.volume_change_safety_margin = core->sync_volume_safety_margin_usec;
347 s->thread_info.volume_change_extra_delay = core->sync_volume_extra_delay_usec;
349 /* FIXME: This should probably be moved to pa_sink_put() */
350 pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0);
353 pa_assert_se(pa_idxset_put(s->card->sinks, s, NULL) >= 0);
355 pt = pa_proplist_to_string_sep(s->proplist, "\n ");
356 pa_log_info("Created sink %u \"%s\" with sample spec %s and channel map %s\n %s",
359 pa_sample_spec_snprint(st, sizeof(st), &s->sample_spec),
360 pa_channel_map_snprint(cm, sizeof(cm), &s->channel_map),
364 pa_source_new_data_init(&source_data);
365 pa_source_new_data_set_sample_spec(&source_data, &s->sample_spec);
366 pa_source_new_data_set_channel_map(&source_data, &s->channel_map);
367 source_data.name = pa_sprintf_malloc("%s.monitor", name);
368 source_data.driver = data->driver;
369 source_data.module = data->module;
370 source_data.card = data->card;
372 dn = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
373 pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Monitor of %s", dn ? dn : s->name);
374 pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "monitor");
376 s->monitor_source = pa_source_new(core, &source_data,
377 ((flags & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
378 ((flags & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0));
380 pa_source_new_data_done(&source_data);
382 if (!s->monitor_source) {
388 s->monitor_source->monitor_of = s;
390 pa_source_set_latency_range(s->monitor_source, s->thread_info.min_latency, s->thread_info.max_latency);
391 pa_source_set_fixed_latency(s->monitor_source, s->thread_info.fixed_latency);
392 pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
397 /* Called from main context */
398 static int sink_set_state(pa_sink *s, pa_sink_state_t state) {
400 pa_bool_t suspend_change;
401 pa_sink_state_t original_state;
404 pa_assert_ctl_context();
406 if (s->state == state)
409 original_state = s->state;
412 (original_state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(state)) ||
413 (PA_SINK_IS_OPENED(original_state) && state == PA_SINK_SUSPENDED);
416 if ((ret = s->set_state(s, state)) < 0)
420 if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
423 s->set_state(s, original_state);
430 if (state != PA_SINK_UNLINKED) { /* if we enter UNLINKED state pa_sink_unlink() will fire the apropriate events */
431 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], s);
432 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
435 if (suspend_change) {
439 /* We're suspending or resuming, tell everyone about it */
441 PA_IDXSET_FOREACH(i, s->inputs, idx)
442 if (s->state == PA_SINK_SUSPENDED &&
443 (i->flags & PA_SINK_INPUT_KILL_ON_SUSPEND))
444 pa_sink_input_kill(i);
446 i->suspend(i, state == PA_SINK_SUSPENDED);
448 if (s->monitor_source)
449 pa_source_sync_suspend(s->monitor_source);
455 void pa_sink_set_get_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
461 void pa_sink_set_set_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
462 pa_sink_flags_t flags;
465 pa_assert(!s->write_volume || cb);
469 /* Save the current flags so we can tell if they've changed */
473 /* The sink implementor is responsible for setting decibel volume support */
474 s->flags |= PA_SINK_HW_VOLUME_CTRL;
476 s->flags &= ~PA_SINK_HW_VOLUME_CTRL;
477 /* See note below in pa_sink_put() about volume sharing and decibel volumes */
478 pa_sink_enable_decibel_volume(s, !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
481 /* If the flags have changed after init, let any clients know via a change event */
482 if (s->state != PA_SINK_INIT && flags != s->flags)
483 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
486 void pa_sink_set_write_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
487 pa_sink_flags_t flags;
490 pa_assert(!cb || s->set_volume);
492 s->write_volume = cb;
494 /* Save the current flags so we can tell if they've changed */
498 s->flags |= PA_SINK_SYNC_VOLUME;
500 s->flags &= ~PA_SINK_SYNC_VOLUME;
502 /* If the flags have changed after init, let any clients know via a change event */
503 if (s->state != PA_SINK_INIT && flags != s->flags)
504 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
507 void pa_sink_set_get_mute_callback(pa_sink *s, pa_sink_cb_t cb) {
513 void pa_sink_set_set_mute_callback(pa_sink *s, pa_sink_cb_t cb) {
514 pa_sink_flags_t flags;
520 /* Save the current flags so we can tell if they've changed */
524 s->flags |= PA_SINK_HW_MUTE_CTRL;
526 s->flags &= ~PA_SINK_HW_MUTE_CTRL;
528 /* If the flags have changed after init, let any clients know via a change event */
529 if (s->state != PA_SINK_INIT && flags != s->flags)
530 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
533 static void enable_flat_volume(pa_sink *s, pa_bool_t enable) {
534 pa_sink_flags_t flags;
538 /* Always follow the overall user preference here */
539 enable = enable && s->core->flat_volumes;
541 /* Save the current flags so we can tell if they've changed */
545 s->flags |= PA_SINK_FLAT_VOLUME;
547 s->flags &= ~PA_SINK_FLAT_VOLUME;
549 /* If the flags have changed after init, let any clients know via a change event */
550 if (s->state != PA_SINK_INIT && flags != s->flags)
551 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
554 void pa_sink_enable_decibel_volume(pa_sink *s, pa_bool_t enable) {
555 pa_sink_flags_t flags;
559 /* Save the current flags so we can tell if they've changed */
563 s->flags |= PA_SINK_DECIBEL_VOLUME;
564 enable_flat_volume(s, TRUE);
566 s->flags &= ~PA_SINK_DECIBEL_VOLUME;
567 enable_flat_volume(s, FALSE);
570 /* If the flags have changed after init, let any clients know via a change event */
571 if (s->state != PA_SINK_INIT && flags != s->flags)
572 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
575 /* Called from main context */
576 void pa_sink_put(pa_sink* s) {
577 pa_sink_assert_ref(s);
578 pa_assert_ctl_context();
580 pa_assert(s->state == PA_SINK_INIT);
581 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || s->input_to_master);
583 /* The following fields must be initialized properly when calling _put() */
584 pa_assert(s->asyncmsgq);
585 pa_assert(s->thread_info.min_latency <= s->thread_info.max_latency);
587 /* Generally, flags should be initialized via pa_sink_new(). As a
588 * special exception we allow some volume related flags to be set
589 * between _new() and _put() by the callback setter functions above.
591 * Thus we implement a couple safeguards here which ensure the above
592 * setters were used (or at least the implementor made manual changes
593 * in a compatible way).
595 * Note: All of these flags set here can change over the life time
597 pa_assert(!(s->flags & PA_SINK_HW_VOLUME_CTRL) || s->set_volume);
598 pa_assert(!(s->flags & PA_SINK_SYNC_VOLUME) || s->write_volume);
599 pa_assert(!(s->flags & PA_SINK_HW_MUTE_CTRL) || s->set_mute);
601 /* XXX: Currently decibel volume is disabled for all sinks that use volume
602 * sharing. When the master sink supports decibel volume, it would be good
603 * to have the flag also in the filter sink, but currently we don't do that
604 * so that the flags of the filter sink never change when it's moved from
605 * a master sink to another. One solution for this problem would be to
606 * remove user-visible volume altogether from filter sinks when volume
607 * sharing is used, but the current approach was easier to implement... */
608 /* We always support decibel volumes in software, otherwise we leave it to
609 * the sink implementor to set this flag as needed.
611 * Note: This flag can also change over the life time of the sink. */
612 if (!(s->flags & PA_SINK_HW_VOLUME_CTRL) && !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
613 pa_sink_enable_decibel_volume(s, TRUE);
615 /* If the sink implementor support DB volumes by itself, we should always
616 * try and enable flat volumes too */
617 if ((s->flags & PA_SINK_DECIBEL_VOLUME))
618 enable_flat_volume(s, TRUE);
620 if (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) {
621 pa_sink *root_sink = s->input_to_master->sink;
623 while (root_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
624 root_sink = root_sink->input_to_master->sink;
626 s->reference_volume = root_sink->reference_volume;
627 pa_cvolume_remap(&s->reference_volume, &root_sink->channel_map, &s->channel_map);
629 s->real_volume = root_sink->real_volume;
630 pa_cvolume_remap(&s->real_volume, &root_sink->channel_map, &s->channel_map);
632 /* We assume that if the sink implementor changed the default
633 * volume he did so in real_volume, because that is the usual
634 * place where he is supposed to place his changes. */
635 s->reference_volume = s->real_volume;
637 s->thread_info.soft_volume = s->soft_volume;
638 s->thread_info.soft_muted = s->muted;
639 pa_sw_cvolume_multiply(&s->thread_info.current_hw_volume, &s->soft_volume, &s->real_volume);
641 pa_assert((s->flags & PA_SINK_HW_VOLUME_CTRL)
642 || (s->base_volume == PA_VOLUME_NORM
643 && ((s->flags & PA_SINK_DECIBEL_VOLUME || (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)))));
644 pa_assert(!(s->flags & PA_SINK_DECIBEL_VOLUME) || s->n_volume_steps == PA_VOLUME_NORM+1);
645 pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == (s->thread_info.fixed_latency != 0));
646 pa_assert(!(s->flags & PA_SINK_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_LATENCY));
647 pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_DYNAMIC_LATENCY));
649 pa_assert(s->monitor_source->thread_info.fixed_latency == s->thread_info.fixed_latency);
650 pa_assert(s->monitor_source->thread_info.min_latency == s->thread_info.min_latency);
651 pa_assert(s->monitor_source->thread_info.max_latency == s->thread_info.max_latency);
653 pa_assert_se(sink_set_state(s, PA_SINK_IDLE) == 0);
655 pa_source_put(s->monitor_source);
657 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index);
658 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PUT], s);
661 /* Called from main context */
662 void pa_sink_unlink(pa_sink* s) {
664 pa_sink_input *i, *j = NULL;
667 pa_assert_ctl_context();
669 /* Please note that pa_sink_unlink() does more than simply
670 * reversing pa_sink_put(). It also undoes the registrations
671 * already done in pa_sink_new()! */
673 /* All operations here shall be idempotent, i.e. pa_sink_unlink()
674 * may be called multiple times on the same sink without bad
677 linked = PA_SINK_IS_LINKED(s->state);
680 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK], s);
682 if (s->state != PA_SINK_UNLINKED)
683 pa_namereg_unregister(s->core, s->name);
684 pa_idxset_remove_by_data(s->core->sinks, s, NULL);
687 pa_idxset_remove_by_data(s->card->sinks, s, NULL);
689 while ((i = pa_idxset_first(s->inputs, NULL))) {
691 pa_sink_input_kill(i);
696 sink_set_state(s, PA_SINK_UNLINKED);
698 s->state = PA_SINK_UNLINKED;
702 if (s->monitor_source)
703 pa_source_unlink(s->monitor_source);
706 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
707 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], s);
711 /* Called from main context */
712 static void sink_free(pa_object *o) {
713 pa_sink *s = PA_SINK(o);
717 pa_assert_ctl_context();
718 pa_assert(pa_sink_refcnt(s) == 0);
720 if (PA_SINK_IS_LINKED(s->state))
723 pa_log_info("Freeing sink %u \"%s\"", s->index, s->name);
725 if (s->monitor_source) {
726 pa_source_unref(s->monitor_source);
727 s->monitor_source = NULL;
730 pa_idxset_free(s->inputs, NULL, NULL);
732 while ((i = pa_hashmap_steal_first(s->thread_info.inputs)))
733 pa_sink_input_unref(i);
735 pa_hashmap_free(s->thread_info.inputs, NULL, NULL);
737 if (s->silence.memblock)
738 pa_memblock_unref(s->silence.memblock);
744 pa_proplist_free(s->proplist);
749 while ((p = pa_hashmap_steal_first(s->ports)))
750 pa_device_port_free(p);
752 pa_hashmap_free(s->ports, NULL, NULL);
758 /* Called from main context, and not while the IO thread is active, please */
759 void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) {
760 pa_sink_assert_ref(s);
761 pa_assert_ctl_context();
765 if (s->monitor_source)
766 pa_source_set_asyncmsgq(s->monitor_source, q);
769 /* Called from main context, and not while the IO thread is active, please */
770 void pa_sink_update_flags(pa_sink *s, pa_sink_flags_t mask, pa_sink_flags_t value) {
771 pa_sink_assert_ref(s);
772 pa_assert_ctl_context();
777 /* For now, allow only a minimal set of flags to be changed. */
778 pa_assert((mask & ~(PA_SINK_DYNAMIC_LATENCY|PA_SINK_LATENCY)) == 0);
780 s->flags = (s->flags & ~mask) | (value & mask);
782 pa_source_update_flags(s->monitor_source,
783 ((mask & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
784 ((mask & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0),
785 ((value & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
786 ((value & PA_SINK_DYNAMIC_LATENCY) ? PA_SINK_DYNAMIC_LATENCY : 0));
789 /* Called from IO context, or before _put() from main context */
790 void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) {
791 pa_sink_assert_ref(s);
792 pa_sink_assert_io_context(s);
794 s->thread_info.rtpoll = p;
796 if (s->monitor_source)
797 pa_source_set_rtpoll(s->monitor_source, p);
800 /* Called from main context */
801 int pa_sink_update_status(pa_sink*s) {
802 pa_sink_assert_ref(s);
803 pa_assert_ctl_context();
804 pa_assert(PA_SINK_IS_LINKED(s->state));
806 if (s->state == PA_SINK_SUSPENDED)
809 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
812 /* Called from main context */
813 int pa_sink_suspend(pa_sink *s, pa_bool_t suspend, pa_suspend_cause_t cause) {
814 pa_sink_assert_ref(s);
815 pa_assert_ctl_context();
816 pa_assert(PA_SINK_IS_LINKED(s->state));
817 pa_assert(cause != 0);
820 s->suspend_cause |= cause;
821 s->monitor_source->suspend_cause |= cause;
823 s->suspend_cause &= ~cause;
824 s->monitor_source->suspend_cause &= ~cause;
827 if ((pa_sink_get_state(s) == PA_SINK_SUSPENDED) == !!s->suspend_cause)
830 pa_log_debug("Suspend cause of sink %s is 0x%04x, %s", s->name, s->suspend_cause, s->suspend_cause ? "suspending" : "resuming");
832 if (s->suspend_cause)
833 return sink_set_state(s, PA_SINK_SUSPENDED);
835 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
838 /* Called from main context */
839 pa_queue *pa_sink_move_all_start(pa_sink *s, pa_queue *q) {
840 pa_sink_input *i, *n;
843 pa_sink_assert_ref(s);
844 pa_assert_ctl_context();
845 pa_assert(PA_SINK_IS_LINKED(s->state));
850 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = n) {
851 n = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx));
853 pa_sink_input_ref(i);
855 if (pa_sink_input_start_move(i) >= 0)
858 pa_sink_input_unref(i);
864 /* Called from main context */
865 void pa_sink_move_all_finish(pa_sink *s, pa_queue *q, pa_bool_t save) {
868 pa_sink_assert_ref(s);
869 pa_assert_ctl_context();
870 pa_assert(PA_SINK_IS_LINKED(s->state));
873 while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
874 if (pa_sink_input_finish_move(i, s, save) < 0)
875 pa_sink_input_fail_move(i);
877 pa_sink_input_unref(i);
880 pa_queue_free(q, NULL, NULL);
883 /* Called from main context */
884 void pa_sink_move_all_fail(pa_queue *q) {
887 pa_assert_ctl_context();
890 while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
891 pa_sink_input_fail_move(i);
892 pa_sink_input_unref(i);
895 pa_queue_free(q, NULL, NULL);
898 /* Called from IO thread context */
899 void pa_sink_process_rewind(pa_sink *s, size_t nbytes) {
903 pa_sink_assert_ref(s);
904 pa_sink_assert_io_context(s);
905 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
907 /* If nobody requested this and this is actually no real rewind
908 * then we can short cut this. Please note that this means that
909 * not all rewind requests triggered upstream will always be
910 * translated in actual requests! */
911 if (!s->thread_info.rewind_requested && nbytes <= 0)
914 s->thread_info.rewind_nbytes = 0;
915 s->thread_info.rewind_requested = FALSE;
917 if (s->thread_info.state == PA_SINK_SUSPENDED)
921 pa_log_debug("Processing rewind...");
922 if (s->flags & PA_SINK_SYNC_VOLUME)
923 pa_sink_volume_change_rewind(s, nbytes);
926 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
927 pa_sink_input_assert_ref(i);
928 pa_sink_input_process_rewind(i, nbytes);
932 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
933 pa_source_process_rewind(s->monitor_source, nbytes);
937 /* Called from IO thread context */
938 static unsigned fill_mix_info(pa_sink *s, size_t *length, pa_mix_info *info, unsigned maxinfo) {
942 size_t mixlength = *length;
944 pa_sink_assert_ref(s);
945 pa_sink_assert_io_context(s);
948 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)) && maxinfo > 0) {
949 pa_sink_input_assert_ref(i);
951 pa_sink_input_peek(i, *length, &info->chunk, &info->volume);
953 if (mixlength == 0 || info->chunk.length < mixlength)
954 mixlength = info->chunk.length;
956 if (pa_memblock_is_silence(info->chunk.memblock)) {
957 pa_memblock_unref(info->chunk.memblock);
961 info->userdata = pa_sink_input_ref(i);
963 pa_assert(info->chunk.memblock);
964 pa_assert(info->chunk.length > 0);
977 /* Called from IO thread context */
978 static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, pa_memchunk *result) {
982 unsigned n_unreffed = 0;
984 pa_sink_assert_ref(s);
985 pa_sink_assert_io_context(s);
987 pa_assert(result->memblock);
988 pa_assert(result->length > 0);
990 /* We optimize for the case where the order of the inputs has not changed */
992 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
994 pa_mix_info* m = NULL;
996 pa_sink_input_assert_ref(i);
998 /* Let's try to find the matching entry info the pa_mix_info array */
999 for (j = 0; j < n; j ++) {
1001 if (info[p].userdata == i) {
1011 /* Drop read data */
1012 pa_sink_input_drop(i, result->length);
1014 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state)) {
1016 if (pa_hashmap_size(i->thread_info.direct_outputs) > 0) {
1017 void *ostate = NULL;
1018 pa_source_output *o;
1021 if (m && m->chunk.memblock) {
1023 pa_memblock_ref(c.memblock);
1024 pa_assert(result->length <= c.length);
1025 c.length = result->length;
1027 pa_memchunk_make_writable(&c, 0);
1028 pa_volume_memchunk(&c, &s->sample_spec, &m->volume);
1031 pa_memblock_ref(c.memblock);
1032 pa_assert(result->length <= c.length);
1033 c.length = result->length;
1036 while ((o = pa_hashmap_iterate(i->thread_info.direct_outputs, &ostate, NULL))) {
1037 pa_source_output_assert_ref(o);
1038 pa_assert(o->direct_on_input == i);
1039 pa_source_post_direct(s->monitor_source, o, &c);
1042 pa_memblock_unref(c.memblock);
1047 if (m->chunk.memblock)
1048 pa_memblock_unref(m->chunk.memblock);
1049 pa_memchunk_reset(&m->chunk);
1051 pa_sink_input_unref(m->userdata);
1058 /* Now drop references to entries that are included in the
1059 * pa_mix_info array but don't exist anymore */
1061 if (n_unreffed < n) {
1062 for (; n > 0; info++, n--) {
1064 pa_sink_input_unref(info->userdata);
1065 if (info->chunk.memblock)
1066 pa_memblock_unref(info->chunk.memblock);
1070 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
1071 pa_source_post(s->monitor_source, result);
1074 /* Called from IO thread context */
1075 void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
1076 pa_mix_info info[MAX_MIX_CHANNELS];
1078 size_t block_size_max;
1080 pa_sink_assert_ref(s);
1081 pa_sink_assert_io_context(s);
1082 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1083 pa_assert(pa_frame_aligned(length, &s->sample_spec));
1086 pa_assert(!s->thread_info.rewind_requested);
1087 pa_assert(s->thread_info.rewind_nbytes == 0);
1089 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1090 result->memblock = pa_memblock_ref(s->silence.memblock);
1091 result->index = s->silence.index;
1092 result->length = PA_MIN(s->silence.length, length);
1099 length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec);
1101 block_size_max = pa_mempool_block_size_max(s->core->mempool);
1102 if (length > block_size_max)
1103 length = pa_frame_align(block_size_max, &s->sample_spec);
1105 pa_assert(length > 0);
1107 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
1111 *result = s->silence;
1112 pa_memblock_ref(result->memblock);
1114 if (result->length > length)
1115 result->length = length;
1117 } else if (n == 1) {
1120 *result = info[0].chunk;
1121 pa_memblock_ref(result->memblock);
1123 if (result->length > length)
1124 result->length = length;
1126 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
1128 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume)) {
1129 pa_memblock_unref(result->memblock);
1130 pa_silence_memchunk_get(&s->core->silence_cache,
1135 } else if (!pa_cvolume_is_norm(&volume)) {
1136 pa_memchunk_make_writable(result, 0);
1137 pa_volume_memchunk(result, &s->sample_spec, &volume);
1141 result->memblock = pa_memblock_new(s->core->mempool, length);
1143 ptr = pa_memblock_acquire(result->memblock);
1144 result->length = pa_mix(info, n,
1147 &s->thread_info.soft_volume,
1148 s->thread_info.soft_muted);
1149 pa_memblock_release(result->memblock);
1154 inputs_drop(s, info, n, result);
1159 /* Called from IO thread context */
1160 void pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
1161 pa_mix_info info[MAX_MIX_CHANNELS];
1163 size_t length, block_size_max;
1165 pa_sink_assert_ref(s);
1166 pa_sink_assert_io_context(s);
1167 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1169 pa_assert(target->memblock);
1170 pa_assert(target->length > 0);
1171 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
1173 pa_assert(!s->thread_info.rewind_requested);
1174 pa_assert(s->thread_info.rewind_nbytes == 0);
1176 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1177 pa_silence_memchunk(target, &s->sample_spec);
1183 length = target->length;
1184 block_size_max = pa_mempool_block_size_max(s->core->mempool);
1185 if (length > block_size_max)
1186 length = pa_frame_align(block_size_max, &s->sample_spec);
1188 pa_assert(length > 0);
1190 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
1193 if (target->length > length)
1194 target->length = length;
1196 pa_silence_memchunk(target, &s->sample_spec);
1197 } else if (n == 1) {
1200 if (target->length > length)
1201 target->length = length;
1203 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
1205 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume))
1206 pa_silence_memchunk(target, &s->sample_spec);
1210 vchunk = info[0].chunk;
1211 pa_memblock_ref(vchunk.memblock);
1213 if (vchunk.length > length)
1214 vchunk.length = length;
1216 if (!pa_cvolume_is_norm(&volume)) {
1217 pa_memchunk_make_writable(&vchunk, 0);
1218 pa_volume_memchunk(&vchunk, &s->sample_spec, &volume);
1221 pa_memchunk_memcpy(target, &vchunk);
1222 pa_memblock_unref(vchunk.memblock);
1228 ptr = pa_memblock_acquire(target->memblock);
1230 target->length = pa_mix(info, n,
1231 (uint8_t*) ptr + target->index, length,
1233 &s->thread_info.soft_volume,
1234 s->thread_info.soft_muted);
1236 pa_memblock_release(target->memblock);
1239 inputs_drop(s, info, n, target);
1244 /* Called from IO thread context */
1245 void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) {
1249 pa_sink_assert_ref(s);
1250 pa_sink_assert_io_context(s);
1251 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1253 pa_assert(target->memblock);
1254 pa_assert(target->length > 0);
1255 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
1257 pa_assert(!s->thread_info.rewind_requested);
1258 pa_assert(s->thread_info.rewind_nbytes == 0);
1260 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1261 pa_silence_memchunk(target, &s->sample_spec);
1274 pa_sink_render_into(s, &chunk);
1283 /* Called from IO thread context */
1284 void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) {
1285 pa_sink_assert_ref(s);
1286 pa_sink_assert_io_context(s);
1287 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1288 pa_assert(length > 0);
1289 pa_assert(pa_frame_aligned(length, &s->sample_spec));
1292 pa_assert(!s->thread_info.rewind_requested);
1293 pa_assert(s->thread_info.rewind_nbytes == 0);
1297 pa_sink_render(s, length, result);
1299 if (result->length < length) {
1302 pa_memchunk_make_writable(result, length);
1304 chunk.memblock = result->memblock;
1305 chunk.index = result->index + result->length;
1306 chunk.length = length - result->length;
1308 pa_sink_render_into_full(s, &chunk);
1310 result->length = length;
1316 /* Called from main thread */
1317 pa_usec_t pa_sink_get_latency(pa_sink *s) {
1320 pa_sink_assert_ref(s);
1321 pa_assert_ctl_context();
1322 pa_assert(PA_SINK_IS_LINKED(s->state));
1324 /* The returned value is supposed to be in the time domain of the sound card! */
1326 if (s->state == PA_SINK_SUSPENDED)
1329 if (!(s->flags & PA_SINK_LATENCY))
1332 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
1337 /* Called from IO thread */
1338 pa_usec_t pa_sink_get_latency_within_thread(pa_sink *s) {
1342 pa_sink_assert_ref(s);
1343 pa_sink_assert_io_context(s);
1344 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1346 /* The returned value is supposed to be in the time domain of the sound card! */
1348 if (s->thread_info.state == PA_SINK_SUSPENDED)
1351 if (!(s->flags & PA_SINK_LATENCY))
1354 o = PA_MSGOBJECT(s);
1356 /* FIXME: We probably should make this a proper vtable callback instead of going through process_msg() */
1358 if (o->process_msg(o, PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
1364 /* Called from the main thread (and also from the IO thread while the main
1365 * thread is waiting).
1367 * When a sink uses volume sharing, it never has the PA_SINK_FLAT_VOLUME flag
1368 * set. Instead, flat volume mode is detected by checking whether the root sink
1369 * has the flag set. */
1370 pa_bool_t pa_sink_flat_volume_enabled(pa_sink *s) {
1371 pa_sink_assert_ref(s);
1373 while (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
1374 s = s->input_to_master->sink;
1376 return (s->flags & PA_SINK_FLAT_VOLUME);
1379 /* Called from main context */
1380 pa_bool_t pa_sink_is_passthrough(pa_sink *s) {
1381 pa_sink_input *alt_i;
1384 pa_sink_assert_ref(s);
1386 /* one and only one PASSTHROUGH input can possibly be connected */
1387 if (pa_idxset_size(s->inputs) == 1) {
1388 alt_i = pa_idxset_first(s->inputs, &idx);
1390 if (pa_sink_input_is_passthrough(alt_i))
1397 /* Called from main context. */
1398 static void compute_reference_ratio(pa_sink_input *i) {
1400 pa_cvolume remapped;
1403 pa_assert(pa_sink_flat_volume_enabled(i->sink));
1406 * Calculates the reference ratio from the sink's reference
1407 * volume. This basically calculates:
1409 * i->reference_ratio = i->volume / i->sink->reference_volume
1412 remapped = i->sink->reference_volume;
1413 pa_cvolume_remap(&remapped, &i->sink->channel_map, &i->channel_map);
1415 i->reference_ratio.channels = i->sample_spec.channels;
1417 for (c = 0; c < i->sample_spec.channels; c++) {
1419 /* We don't update when the sink volume is 0 anyway */
1420 if (remapped.values[c] <= PA_VOLUME_MUTED)
1423 /* Don't update the reference ratio unless necessary */
1424 if (pa_sw_volume_multiply(
1425 i->reference_ratio.values[c],
1426 remapped.values[c]) == i->volume.values[c])
1429 i->reference_ratio.values[c] = pa_sw_volume_divide(
1430 i->volume.values[c],
1431 remapped.values[c]);
1435 /* Called from main context. Only called for the root sink in volume sharing
1436 * cases, except for internal recursive calls. */
1437 static void compute_reference_ratios(pa_sink *s) {
1441 pa_sink_assert_ref(s);
1442 pa_assert_ctl_context();
1443 pa_assert(PA_SINK_IS_LINKED(s->state));
1444 pa_assert(pa_sink_flat_volume_enabled(s));
1446 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1447 compute_reference_ratio(i);
1449 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
1450 compute_reference_ratios(i->origin_sink);
1454 /* Called from main context. Only called for the root sink in volume sharing
1455 * cases, except for internal recursive calls. */
1456 static void compute_real_ratios(pa_sink *s) {
1460 pa_sink_assert_ref(s);
1461 pa_assert_ctl_context();
1462 pa_assert(PA_SINK_IS_LINKED(s->state));
1463 pa_assert(pa_sink_flat_volume_enabled(s));
1465 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1467 pa_cvolume remapped;
1469 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1470 /* The origin sink uses volume sharing, so this input's real ratio
1471 * is handled as a special case - the real ratio must be 0 dB, and
1472 * as a result i->soft_volume must equal i->volume_factor. */
1473 pa_cvolume_reset(&i->real_ratio, i->real_ratio.channels);
1474 i->soft_volume = i->volume_factor;
1476 compute_real_ratios(i->origin_sink);
1482 * This basically calculates:
1484 * i->real_ratio := i->volume / s->real_volume
1485 * i->soft_volume := i->real_ratio * i->volume_factor
1488 remapped = s->real_volume;
1489 pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
1491 i->real_ratio.channels = i->sample_spec.channels;
1492 i->soft_volume.channels = i->sample_spec.channels;
1494 for (c = 0; c < i->sample_spec.channels; c++) {
1496 if (remapped.values[c] <= PA_VOLUME_MUTED) {
1497 /* We leave i->real_ratio untouched */
1498 i->soft_volume.values[c] = PA_VOLUME_MUTED;
1502 /* Don't lose accuracy unless necessary */
1503 if (pa_sw_volume_multiply(
1504 i->real_ratio.values[c],
1505 remapped.values[c]) != i->volume.values[c])
1507 i->real_ratio.values[c] = pa_sw_volume_divide(
1508 i->volume.values[c],
1509 remapped.values[c]);
1511 i->soft_volume.values[c] = pa_sw_volume_multiply(
1512 i->real_ratio.values[c],
1513 i->volume_factor.values[c]);
1516 /* We don't copy the soft_volume to the thread_info data
1517 * here. That must be done by the caller */
1521 static pa_cvolume *cvolume_remap_minimal_impact(
1523 const pa_cvolume *template,
1524 const pa_channel_map *from,
1525 const pa_channel_map *to) {
1530 pa_assert(template);
1533 pa_assert(pa_cvolume_compatible_with_channel_map(v, from));
1534 pa_assert(pa_cvolume_compatible_with_channel_map(template, to));
1536 /* Much like pa_cvolume_remap(), but tries to minimize impact when
1537 * mapping from sink input to sink volumes:
1539 * If template is a possible remapping from v it is used instead
1540 * of remapping anew.
1542 * If the channel maps don't match we set an all-channel volume on
1543 * the sink to ensure that changing a volume on one stream has no
1544 * effect that cannot be compensated for in another stream that
1545 * does not have the same channel map as the sink. */
1547 if (pa_channel_map_equal(from, to))
1551 if (pa_cvolume_equal(pa_cvolume_remap(&t, to, from), v)) {
1556 pa_cvolume_set(v, to->channels, pa_cvolume_max(v));
1560 /* Called from main thread. Only called for the root sink in volume sharing
1561 * cases, except for internal recursive calls. */
1562 static void get_maximum_input_volume(pa_sink *s, pa_cvolume *max_volume, const pa_channel_map *channel_map) {
1566 pa_sink_assert_ref(s);
1567 pa_assert(max_volume);
1568 pa_assert(channel_map);
1569 pa_assert(pa_sink_flat_volume_enabled(s));
1571 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1572 pa_cvolume remapped;
1574 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1575 get_maximum_input_volume(i->origin_sink, max_volume, channel_map);
1577 /* Ignore this input. The origin sink uses volume sharing, so this
1578 * input's volume will be set to be equal to the root sink's real
1579 * volume. Obviously this input's current volume must not then
1580 * affect what the root sink's real volume will be. */
1584 remapped = i->volume;
1585 cvolume_remap_minimal_impact(&remapped, max_volume, &i->channel_map, channel_map);
1586 pa_cvolume_merge(max_volume, max_volume, &remapped);
1590 /* Called from main thread. Only called for the root sink in volume sharing
1591 * cases, except for internal recursive calls. */
1592 static pa_bool_t has_inputs(pa_sink *s) {
1596 pa_sink_assert_ref(s);
1598 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1599 if (!i->origin_sink || !(i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || has_inputs(i->origin_sink))
1606 /* Called from main thread. Only called for the root sink in volume sharing
1607 * cases, except for internal recursive calls. */
1608 static void update_real_volume(pa_sink *s, const pa_cvolume *new_volume, pa_channel_map *channel_map) {
1612 pa_sink_assert_ref(s);
1613 pa_assert(new_volume);
1614 pa_assert(channel_map);
1616 s->real_volume = *new_volume;
1617 pa_cvolume_remap(&s->real_volume, channel_map, &s->channel_map);
1619 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1620 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1621 if (pa_sink_flat_volume_enabled(s)) {
1622 pa_cvolume old_volume = i->volume;
1624 /* Follow the root sink's real volume. */
1625 i->volume = *new_volume;
1626 pa_cvolume_remap(&i->volume, channel_map, &i->channel_map);
1627 compute_reference_ratio(i);
1629 /* The volume changed, let's tell people so */
1630 if (!pa_cvolume_equal(&old_volume, &i->volume)) {
1631 if (i->volume_changed)
1632 i->volume_changed(i);
1634 pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
1638 update_real_volume(i->origin_sink, new_volume, channel_map);
1643 /* Called from main thread. Only called for the root sink in shared volume
1645 static void compute_real_volume(pa_sink *s) {
1646 pa_sink_assert_ref(s);
1647 pa_assert_ctl_context();
1648 pa_assert(PA_SINK_IS_LINKED(s->state));
1649 pa_assert(pa_sink_flat_volume_enabled(s));
1650 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
1652 /* This determines the maximum volume of all streams and sets
1653 * s->real_volume accordingly. */
1655 if (!has_inputs(s)) {
1656 /* In the special case that we have no sink inputs we leave the
1657 * volume unmodified. */
1658 update_real_volume(s, &s->reference_volume, &s->channel_map);
1662 pa_cvolume_mute(&s->real_volume, s->channel_map.channels);
1664 /* First let's determine the new maximum volume of all inputs
1665 * connected to this sink */
1666 get_maximum_input_volume(s, &s->real_volume, &s->channel_map);
1667 update_real_volume(s, &s->real_volume, &s->channel_map);
1669 /* Then, let's update the real ratios/soft volumes of all inputs
1670 * connected to this sink */
1671 compute_real_ratios(s);
1674 /* Called from main thread. Only called for the root sink in shared volume
1675 * cases, except for internal recursive calls. */
1676 static void propagate_reference_volume(pa_sink *s) {
1680 pa_sink_assert_ref(s);
1681 pa_assert_ctl_context();
1682 pa_assert(PA_SINK_IS_LINKED(s->state));
1683 pa_assert(pa_sink_flat_volume_enabled(s));
1685 /* This is called whenever the sink volume changes that is not
1686 * caused by a sink input volume change. We need to fix up the
1687 * sink input volumes accordingly */
1689 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1690 pa_cvolume old_volume;
1692 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1693 propagate_reference_volume(i->origin_sink);
1695 /* Since the origin sink uses volume sharing, this input's volume
1696 * needs to be updated to match the root sink's real volume, but
1697 * that will be done later in update_shared_real_volume(). */
1701 old_volume = i->volume;
1703 /* This basically calculates:
1705 * i->volume := s->reference_volume * i->reference_ratio */
1707 i->volume = s->reference_volume;
1708 pa_cvolume_remap(&i->volume, &s->channel_map, &i->channel_map);
1709 pa_sw_cvolume_multiply(&i->volume, &i->volume, &i->reference_ratio);
1711 /* The volume changed, let's tell people so */
1712 if (!pa_cvolume_equal(&old_volume, &i->volume)) {
1714 if (i->volume_changed)
1715 i->volume_changed(i);
1717 pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
1722 /* Called from main thread. Only called for the root sink in volume sharing
1723 * cases, except for internal recursive calls. The return value indicates
1724 * whether any reference volume actually changed. */
1725 static pa_bool_t update_reference_volume(pa_sink *s, const pa_cvolume *v, const pa_channel_map *channel_map, pa_bool_t save) {
1727 pa_bool_t reference_volume_changed;
1731 pa_sink_assert_ref(s);
1732 pa_assert(PA_SINK_IS_LINKED(s->state));
1734 pa_assert(channel_map);
1735 pa_assert(pa_cvolume_valid(v));
1738 pa_cvolume_remap(&volume, channel_map, &s->channel_map);
1740 reference_volume_changed = !pa_cvolume_equal(&volume, &s->reference_volume);
1741 s->reference_volume = volume;
1743 s->save_volume = (!reference_volume_changed && s->save_volume) || save;
1745 if (reference_volume_changed)
1746 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
1747 else if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
1748 /* If the root sink's volume doesn't change, then there can't be any
1749 * changes in the other sinks in the sink tree either.
1751 * It's probably theoretically possible that even if the root sink's
1752 * volume changes slightly, some filter sink doesn't change its volume
1753 * due to rounding errors. If that happens, we still want to propagate
1754 * the changed root sink volume to the sinks connected to the
1755 * intermediate sink that didn't change its volume. This theoretical
1756 * possiblity is the reason why we have that !(s->flags &
1757 * PA_SINK_SHARE_VOLUME_WITH_MASTER) condition. Probably nobody would
1758 * notice even if we returned here FALSE always if
1759 * reference_volume_changed is FALSE. */
1762 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1763 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
1764 update_reference_volume(i->origin_sink, v, channel_map, FALSE);
1770 /* Called from main thread */
1771 void pa_sink_set_volume(
1773 const pa_cvolume *volume,
1777 pa_cvolume new_reference_volume;
1778 pa_sink *root_sink = s;
1780 pa_sink_assert_ref(s);
1781 pa_assert_ctl_context();
1782 pa_assert(PA_SINK_IS_LINKED(s->state));
1783 pa_assert(!volume || pa_cvolume_valid(volume));
1784 pa_assert(volume || pa_sink_flat_volume_enabled(s));
1785 pa_assert(!volume || volume->channels == 1 || pa_cvolume_compatible(volume, &s->sample_spec));
1787 /* make sure we don't change the volume when a PASSTHROUGH input is connected */
1788 if (pa_sink_is_passthrough(s)) {
1789 /* FIXME: Need to notify client that volume control is disabled */
1790 pa_log_warn("Cannot change volume, Sink is connected to PASSTHROUGH input");
1794 /* In case of volume sharing, the volume is set for the root sink first,
1795 * from which it's then propagated to the sharing sinks. */
1796 while (root_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
1797 root_sink = root_sink->input_to_master->sink;
1799 /* As a special exception we accept mono volumes on all sinks --
1800 * even on those with more complex channel maps */
1803 if (pa_cvolume_compatible(volume, &s->sample_spec))
1804 new_reference_volume = *volume;
1806 new_reference_volume = s->reference_volume;
1807 pa_cvolume_scale(&new_reference_volume, pa_cvolume_max(volume));
1810 pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_sink->channel_map);
1813 /* If volume is NULL we synchronize the sink's real and reference
1814 * volumes with the stream volumes. If it is not NULL we update
1815 * the reference_volume with it. */
1818 if (update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save)) {
1819 if (pa_sink_flat_volume_enabled(root_sink)) {
1820 /* OK, propagate this volume change back to the inputs */
1821 propagate_reference_volume(root_sink);
1823 /* And now recalculate the real volume */
1824 compute_real_volume(root_sink);
1826 update_real_volume(root_sink, &root_sink->reference_volume, &root_sink->channel_map);
1830 pa_assert(pa_sink_flat_volume_enabled(root_sink));
1832 /* Ok, let's determine the new real volume */
1833 compute_real_volume(root_sink);
1835 /* Let's 'push' the reference volume if necessary */
1836 pa_cvolume_merge(&new_reference_volume, &s->reference_volume, &root_sink->real_volume);
1837 update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save);
1839 /* Now that the reference volume is updated, we can update the streams'
1840 * reference ratios. */
1841 compute_reference_ratios(root_sink);
1844 if (root_sink->set_volume) {
1845 /* If we have a function set_volume(), then we do not apply a
1846 * soft volume by default. However, set_volume() is free to
1847 * apply one to root_sink->soft_volume */
1849 pa_cvolume_reset(&root_sink->soft_volume, root_sink->sample_spec.channels);
1850 if (!(root_sink->flags & PA_SINK_SYNC_VOLUME))
1851 root_sink->set_volume(root_sink);
1854 /* If we have no function set_volume(), then the soft volume
1855 * becomes the real volume */
1856 root_sink->soft_volume = root_sink->real_volume;
1858 /* This tells the sink that soft volume and/or real volume changed */
1860 pa_assert_se(pa_asyncmsgq_send(root_sink->asyncmsgq, PA_MSGOBJECT(root_sink), PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL) == 0);
1863 /* Called from the io thread if sync volume is used, otherwise from the main thread.
1864 * Only to be called by sink implementor */
1865 void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume) {
1867 pa_sink_assert_ref(s);
1868 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
1870 if (s->flags & PA_SINK_SYNC_VOLUME)
1871 pa_sink_assert_io_context(s);
1873 pa_assert_ctl_context();
1876 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
1878 s->soft_volume = *volume;
1880 if (PA_SINK_IS_LINKED(s->state) && !(s->flags & PA_SINK_SYNC_VOLUME))
1881 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
1883 s->thread_info.soft_volume = s->soft_volume;
1886 /* Called from the main thread. Only called for the root sink in volume sharing
1887 * cases, except for internal recursive calls. */
1888 static void propagate_real_volume(pa_sink *s, const pa_cvolume *old_real_volume) {
1892 pa_sink_assert_ref(s);
1893 pa_assert(old_real_volume);
1894 pa_assert_ctl_context();
1895 pa_assert(PA_SINK_IS_LINKED(s->state));
1897 /* This is called when the hardware's real volume changes due to
1898 * some external event. We copy the real volume into our
1899 * reference volume and then rebuild the stream volumes based on
1900 * i->real_ratio which should stay fixed. */
1902 if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1903 if (pa_cvolume_equal(old_real_volume, &s->real_volume))
1906 /* 1. Make the real volume the reference volume */
1907 update_reference_volume(s, &s->real_volume, &s->channel_map, TRUE);
1910 if (pa_sink_flat_volume_enabled(s)) {
1912 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1913 pa_cvolume old_volume = i->volume;
1915 /* 2. Since the sink's reference and real volumes are equal
1916 * now our ratios should be too. */
1917 i->reference_ratio = i->real_ratio;
1919 /* 3. Recalculate the new stream reference volume based on the
1920 * reference ratio and the sink's reference volume.
1922 * This basically calculates:
1924 * i->volume = s->reference_volume * i->reference_ratio
1926 * This is identical to propagate_reference_volume() */
1927 i->volume = s->reference_volume;
1928 pa_cvolume_remap(&i->volume, &s->channel_map, &i->channel_map);
1929 pa_sw_cvolume_multiply(&i->volume, &i->volume, &i->reference_ratio);
1931 /* Notify if something changed */
1932 if (!pa_cvolume_equal(&old_volume, &i->volume)) {
1934 if (i->volume_changed)
1935 i->volume_changed(i);
1937 pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
1940 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
1941 propagate_real_volume(i->origin_sink, old_real_volume);
1945 /* Something got changed in the hardware. It probably makes sense
1946 * to save changed hw settings given that hw volume changes not
1947 * triggered by PA are almost certainly done by the user. */
1948 if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
1949 s->save_volume = TRUE;
1952 /* Called from io thread */
1953 void pa_sink_update_volume_and_mute(pa_sink *s) {
1955 pa_sink_assert_io_context(s);
1957 pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE, NULL, 0, NULL, NULL);
1960 /* Called from main thread */
1961 const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_bool_t force_refresh) {
1962 pa_sink_assert_ref(s);
1963 pa_assert_ctl_context();
1964 pa_assert(PA_SINK_IS_LINKED(s->state));
1966 if (s->refresh_volume || force_refresh) {
1967 struct pa_cvolume old_real_volume;
1969 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
1971 old_real_volume = s->real_volume;
1973 if (!(s->flags & PA_SINK_SYNC_VOLUME) && s->get_volume)
1976 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, NULL, 0, NULL) == 0);
1978 update_real_volume(s, &s->real_volume, &s->channel_map);
1979 propagate_real_volume(s, &old_real_volume);
1982 return &s->reference_volume;
1985 /* Called from main thread. In volume sharing cases, only the root sink may
1987 void pa_sink_volume_changed(pa_sink *s, const pa_cvolume *new_real_volume) {
1988 pa_cvolume old_real_volume;
1990 pa_sink_assert_ref(s);
1991 pa_assert_ctl_context();
1992 pa_assert(PA_SINK_IS_LINKED(s->state));
1993 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
1995 /* The sink implementor may call this if the volume changed to make sure everyone is notified */
1997 old_real_volume = s->real_volume;
1998 update_real_volume(s, new_real_volume, &s->channel_map);
1999 propagate_real_volume(s, &old_real_volume);
2002 /* Called from main thread */
2003 void pa_sink_set_mute(pa_sink *s, pa_bool_t mute, pa_bool_t save) {
2004 pa_bool_t old_muted;
2006 pa_sink_assert_ref(s);
2007 pa_assert_ctl_context();
2008 pa_assert(PA_SINK_IS_LINKED(s->state));
2010 old_muted = s->muted;
2012 s->save_muted = (old_muted == s->muted && s->save_muted) || save;
2014 if (!(s->flags & PA_SINK_SYNC_VOLUME) && s->set_mute)
2017 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
2019 if (old_muted != s->muted)
2020 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2023 /* Called from main thread */
2024 pa_bool_t pa_sink_get_mute(pa_sink *s, pa_bool_t force_refresh) {
2026 pa_sink_assert_ref(s);
2027 pa_assert_ctl_context();
2028 pa_assert(PA_SINK_IS_LINKED(s->state));
2030 if (s->refresh_muted || force_refresh) {
2031 pa_bool_t old_muted = s->muted;
2033 if (!(s->flags & PA_SINK_SYNC_VOLUME) && s->get_mute)
2036 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, NULL, 0, NULL) == 0);
2038 if (old_muted != s->muted) {
2039 s->save_muted = TRUE;
2041 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2043 /* Make sure the soft mute status stays in sync */
2044 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
2051 /* Called from main thread */
2052 void pa_sink_mute_changed(pa_sink *s, pa_bool_t new_muted) {
2053 pa_sink_assert_ref(s);
2054 pa_assert_ctl_context();
2055 pa_assert(PA_SINK_IS_LINKED(s->state));
2057 /* The sink implementor may call this if the volume changed to make sure everyone is notified */
2059 if (s->muted == new_muted)
2062 s->muted = new_muted;
2063 s->save_muted = TRUE;
2065 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2068 /* Called from main thread */
2069 pa_bool_t pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p) {
2070 pa_sink_assert_ref(s);
2071 pa_assert_ctl_context();
2074 pa_proplist_update(s->proplist, mode, p);
2076 if (PA_SINK_IS_LINKED(s->state)) {
2077 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
2078 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2084 /* Called from main thread */
2085 /* FIXME -- this should be dropped and be merged into pa_sink_update_proplist() */
2086 void pa_sink_set_description(pa_sink *s, const char *description) {
2088 pa_sink_assert_ref(s);
2089 pa_assert_ctl_context();
2091 if (!description && !pa_proplist_contains(s->proplist, PA_PROP_DEVICE_DESCRIPTION))
2094 old = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
2096 if (old && description && pa_streq(old, description))
2100 pa_proplist_sets(s->proplist, PA_PROP_DEVICE_DESCRIPTION, description);
2102 pa_proplist_unset(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
2104 if (s->monitor_source) {
2107 n = pa_sprintf_malloc("Monitor Source of %s", description ? description : s->name);
2108 pa_source_set_description(s->monitor_source, n);
2112 if (PA_SINK_IS_LINKED(s->state)) {
2113 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2114 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
2118 /* Called from main thread */
2119 unsigned pa_sink_linked_by(pa_sink *s) {
2122 pa_sink_assert_ref(s);
2123 pa_assert_ctl_context();
2124 pa_assert(PA_SINK_IS_LINKED(s->state));
2126 ret = pa_idxset_size(s->inputs);
2128 /* We add in the number of streams connected to us here. Please
2129 * note the asymmmetry to pa_sink_used_by()! */
2131 if (s->monitor_source)
2132 ret += pa_source_linked_by(s->monitor_source);
2137 /* Called from main thread */
2138 unsigned pa_sink_used_by(pa_sink *s) {
2141 pa_sink_assert_ref(s);
2142 pa_assert_ctl_context();
2143 pa_assert(PA_SINK_IS_LINKED(s->state));
2145 ret = pa_idxset_size(s->inputs);
2146 pa_assert(ret >= s->n_corked);
2148 /* Streams connected to our monitor source do not matter for
2149 * pa_sink_used_by()!.*/
2151 return ret - s->n_corked;
2154 /* Called from main thread */
2155 unsigned pa_sink_check_suspend(pa_sink *s) {
2160 pa_sink_assert_ref(s);
2161 pa_assert_ctl_context();
2163 if (!PA_SINK_IS_LINKED(s->state))
2168 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2169 pa_sink_input_state_t st;
2171 st = pa_sink_input_get_state(i);
2173 /* We do not assert here. It is perfectly valid for a sink input to
2174 * be in the INIT state (i.e. created, marked done but not yet put)
2175 * and we should not care if it's unlinked as it won't contribute
2176 * towarards our busy status.
2178 if (!PA_SINK_INPUT_IS_LINKED(st))
2181 if (st == PA_SINK_INPUT_CORKED)
2184 if (i->flags & PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND)
2190 if (s->monitor_source)
2191 ret += pa_source_check_suspend(s->monitor_source);
2196 /* Called from the IO thread */
2197 static void sync_input_volumes_within_thread(pa_sink *s) {
2201 pa_sink_assert_ref(s);
2202 pa_sink_assert_io_context(s);
2204 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
2205 if (pa_cvolume_equal(&i->thread_info.soft_volume, &i->soft_volume))
2208 i->thread_info.soft_volume = i->soft_volume;
2209 pa_sink_input_request_rewind(i, 0, TRUE, FALSE, FALSE);
2213 /* Called from the IO thread. Only called for the root sink in volume sharing
2214 * cases, except for internal recursive calls. */
2215 static void set_shared_volume_within_thread(pa_sink *s) {
2216 pa_sink_input *i = NULL;
2219 pa_sink_assert_ref(s);
2221 PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME_SYNCED, NULL, 0, NULL);
2223 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
2224 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
2225 set_shared_volume_within_thread(i->origin_sink);
2229 /* Called from IO thread, except when it is not */
2230 int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
2231 pa_sink *s = PA_SINK(o);
2232 pa_sink_assert_ref(s);
2234 switch ((pa_sink_message_t) code) {
2236 case PA_SINK_MESSAGE_ADD_INPUT: {
2237 pa_sink_input *i = PA_SINK_INPUT(userdata);
2239 /* If you change anything here, make sure to change the
2240 * sink input handling a few lines down at
2241 * PA_SINK_MESSAGE_FINISH_MOVE, too. */
2243 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
2245 /* Since the caller sleeps in pa_sink_input_put(), we can
2246 * safely access data outside of thread_info even though
2249 if ((i->thread_info.sync_prev = i->sync_prev)) {
2250 pa_assert(i->sink == i->thread_info.sync_prev->sink);
2251 pa_assert(i->sync_prev->sync_next == i);
2252 i->thread_info.sync_prev->thread_info.sync_next = i;
2255 if ((i->thread_info.sync_next = i->sync_next)) {
2256 pa_assert(i->sink == i->thread_info.sync_next->sink);
2257 pa_assert(i->sync_next->sync_prev == i);
2258 i->thread_info.sync_next->thread_info.sync_prev = i;
2261 pa_assert(!i->thread_info.attached);
2262 i->thread_info.attached = TRUE;
2267 pa_sink_input_set_state_within_thread(i, i->state);
2269 /* The requested latency of the sink input needs to be
2270 * fixed up and then configured on the sink */
2272 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
2273 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
2275 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
2276 pa_sink_input_update_max_request(i, s->thread_info.max_request);
2278 /* We don't rewind here automatically. This is left to the
2279 * sink input implementor because some sink inputs need a
2280 * slow start, i.e. need some time to buffer client
2281 * samples before beginning streaming. */
2283 /* In flat volume mode we need to update the volume as
2285 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2288 case PA_SINK_MESSAGE_REMOVE_INPUT: {
2289 pa_sink_input *i = PA_SINK_INPUT(userdata);
2291 /* If you change anything here, make sure to change the
2292 * sink input handling a few lines down at
2293 * PA_SINK_MESSAGE_START_MOVE, too. */
2298 pa_sink_input_set_state_within_thread(i, i->state);
2300 pa_assert(i->thread_info.attached);
2301 i->thread_info.attached = FALSE;
2303 /* Since the caller sleeps in pa_sink_input_unlink(),
2304 * we can safely access data outside of thread_info even
2305 * though it is mutable */
2307 pa_assert(!i->sync_prev);
2308 pa_assert(!i->sync_next);
2310 if (i->thread_info.sync_prev) {
2311 i->thread_info.sync_prev->thread_info.sync_next = i->thread_info.sync_prev->sync_next;
2312 i->thread_info.sync_prev = NULL;
2315 if (i->thread_info.sync_next) {
2316 i->thread_info.sync_next->thread_info.sync_prev = i->thread_info.sync_next->sync_prev;
2317 i->thread_info.sync_next = NULL;
2320 if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
2321 pa_sink_input_unref(i);
2323 pa_sink_invalidate_requested_latency(s, TRUE);
2324 pa_sink_request_rewind(s, (size_t) -1);
2326 /* In flat volume mode we need to update the volume as
2328 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2331 case PA_SINK_MESSAGE_START_MOVE: {
2332 pa_sink_input *i = PA_SINK_INPUT(userdata);
2334 /* We don't support moving synchronized streams. */
2335 pa_assert(!i->sync_prev);
2336 pa_assert(!i->sync_next);
2337 pa_assert(!i->thread_info.sync_next);
2338 pa_assert(!i->thread_info.sync_prev);
2340 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
2342 size_t sink_nbytes, total_nbytes;
2344 /* Get the latency of the sink */
2345 usec = pa_sink_get_latency_within_thread(s);
2346 sink_nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
2347 total_nbytes = sink_nbytes + pa_memblockq_get_length(i->thread_info.render_memblockq);
2349 if (total_nbytes > 0) {
2350 i->thread_info.rewrite_nbytes = i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, total_nbytes) : total_nbytes;
2351 i->thread_info.rewrite_flush = TRUE;
2352 pa_sink_input_process_rewind(i, sink_nbytes);
2359 pa_assert(i->thread_info.attached);
2360 i->thread_info.attached = FALSE;
2362 /* Let's remove the sink input ...*/
2363 if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
2364 pa_sink_input_unref(i);
2366 pa_sink_invalidate_requested_latency(s, TRUE);
2368 pa_log_debug("Requesting rewind due to started move");
2369 pa_sink_request_rewind(s, (size_t) -1);
2371 /* In flat volume mode we need to update the volume as
2373 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2376 case PA_SINK_MESSAGE_FINISH_MOVE: {
2377 pa_sink_input *i = PA_SINK_INPUT(userdata);
2379 /* We don't support moving synchronized streams. */
2380 pa_assert(!i->sync_prev);
2381 pa_assert(!i->sync_next);
2382 pa_assert(!i->thread_info.sync_next);
2383 pa_assert(!i->thread_info.sync_prev);
2385 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
2387 pa_assert(!i->thread_info.attached);
2388 i->thread_info.attached = TRUE;
2393 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
2394 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
2396 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
2397 pa_sink_input_update_max_request(i, s->thread_info.max_request);
2399 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
2403 /* Get the latency of the sink */
2404 usec = pa_sink_get_latency_within_thread(s);
2405 nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
2408 pa_sink_input_drop(i, nbytes);
2410 pa_log_debug("Requesting rewind due to finished move");
2411 pa_sink_request_rewind(s, nbytes);
2414 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2417 case PA_SINK_MESSAGE_SET_SHARED_VOLUME: {
2418 pa_sink *root_sink = s;
2420 while (root_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
2421 root_sink = root_sink->input_to_master->sink;
2423 set_shared_volume_within_thread(root_sink);
2427 case PA_SINK_MESSAGE_SET_VOLUME_SYNCED:
2429 if (s->flags & PA_SINK_SYNC_VOLUME) {
2431 pa_sink_volume_change_push(s);
2433 /* Fall through ... */
2435 case PA_SINK_MESSAGE_SET_VOLUME:
2437 if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
2438 s->thread_info.soft_volume = s->soft_volume;
2439 pa_sink_request_rewind(s, (size_t) -1);
2442 /* Fall through ... */
2444 case PA_SINK_MESSAGE_SYNC_VOLUMES:
2445 sync_input_volumes_within_thread(s);
2448 case PA_SINK_MESSAGE_GET_VOLUME:
2450 if ((s->flags & PA_SINK_SYNC_VOLUME) && s->get_volume) {
2452 pa_sink_volume_change_flush(s);
2453 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
2456 /* In case sink implementor reset SW volume. */
2457 if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
2458 s->thread_info.soft_volume = s->soft_volume;
2459 pa_sink_request_rewind(s, (size_t) -1);
2464 case PA_SINK_MESSAGE_SET_MUTE:
2466 if (s->thread_info.soft_muted != s->muted) {
2467 s->thread_info.soft_muted = s->muted;
2468 pa_sink_request_rewind(s, (size_t) -1);
2471 if (s->flags & PA_SINK_SYNC_VOLUME && s->set_mute)
2476 case PA_SINK_MESSAGE_GET_MUTE:
2478 if (s->flags & PA_SINK_SYNC_VOLUME && s->get_mute)
2483 case PA_SINK_MESSAGE_SET_STATE: {
2485 pa_bool_t suspend_change =
2486 (s->thread_info.state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(PA_PTR_TO_UINT(userdata))) ||
2487 (PA_SINK_IS_OPENED(s->thread_info.state) && PA_PTR_TO_UINT(userdata) == PA_SINK_SUSPENDED);
2489 s->thread_info.state = PA_PTR_TO_UINT(userdata);
2491 if (s->thread_info.state == PA_SINK_SUSPENDED) {
2492 s->thread_info.rewind_nbytes = 0;
2493 s->thread_info.rewind_requested = FALSE;
2496 if (suspend_change) {
2500 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
2501 if (i->suspend_within_thread)
2502 i->suspend_within_thread(i, s->thread_info.state == PA_SINK_SUSPENDED);
2508 case PA_SINK_MESSAGE_DETACH:
2510 /* Detach all streams */
2511 pa_sink_detach_within_thread(s);
2514 case PA_SINK_MESSAGE_ATTACH:
2516 /* Reattach all streams */
2517 pa_sink_attach_within_thread(s);
2520 case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY: {
2522 pa_usec_t *usec = userdata;
2523 *usec = pa_sink_get_requested_latency_within_thread(s);
2525 /* Yes, that's right, the IO thread will see -1 when no
2526 * explicit requested latency is configured, the main
2527 * thread will see max_latency */
2528 if (*usec == (pa_usec_t) -1)
2529 *usec = s->thread_info.max_latency;
2534 case PA_SINK_MESSAGE_SET_LATENCY_RANGE: {
2535 pa_usec_t *r = userdata;
2537 pa_sink_set_latency_range_within_thread(s, r[0], r[1]);
2542 case PA_SINK_MESSAGE_GET_LATENCY_RANGE: {
2543 pa_usec_t *r = userdata;
2545 r[0] = s->thread_info.min_latency;
2546 r[1] = s->thread_info.max_latency;
2551 case PA_SINK_MESSAGE_GET_FIXED_LATENCY:
2553 *((pa_usec_t*) userdata) = s->thread_info.fixed_latency;
2556 case PA_SINK_MESSAGE_SET_FIXED_LATENCY:
2558 pa_sink_set_fixed_latency_within_thread(s, (pa_usec_t) offset);
2561 case PA_SINK_MESSAGE_GET_MAX_REWIND:
2563 *((size_t*) userdata) = s->thread_info.max_rewind;
2566 case PA_SINK_MESSAGE_GET_MAX_REQUEST:
2568 *((size_t*) userdata) = s->thread_info.max_request;
2571 case PA_SINK_MESSAGE_SET_MAX_REWIND:
2573 pa_sink_set_max_rewind_within_thread(s, (size_t) offset);
2576 case PA_SINK_MESSAGE_SET_MAX_REQUEST:
2578 pa_sink_set_max_request_within_thread(s, (size_t) offset);
2581 case PA_SINK_MESSAGE_SET_PORT:
2583 pa_assert(userdata);
2585 struct sink_message_set_port *msg_data = userdata;
2586 msg_data->ret = s->set_port(s, msg_data->port);
2590 case PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE:
2591 /* This message is sent from IO-thread and handled in main thread. */
2592 pa_assert_ctl_context();
2594 pa_sink_get_volume(s, TRUE);
2595 pa_sink_get_mute(s, TRUE);
2598 case PA_SINK_MESSAGE_GET_LATENCY:
2599 case PA_SINK_MESSAGE_MAX:
2606 /* Called from main thread */
2607 int pa_sink_suspend_all(pa_core *c, pa_bool_t suspend, pa_suspend_cause_t cause) {
2612 pa_core_assert_ref(c);
2613 pa_assert_ctl_context();
2614 pa_assert(cause != 0);
2616 PA_IDXSET_FOREACH(sink, c->sinks, idx) {
2619 if ((r = pa_sink_suspend(sink, suspend, cause)) < 0)
2626 /* Called from main thread */
2627 void pa_sink_detach(pa_sink *s) {
2628 pa_sink_assert_ref(s);
2629 pa_assert_ctl_context();
2630 pa_assert(PA_SINK_IS_LINKED(s->state));
2632 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_DETACH, NULL, 0, NULL) == 0);
2635 /* Called from main thread */
2636 void pa_sink_attach(pa_sink *s) {
2637 pa_sink_assert_ref(s);
2638 pa_assert_ctl_context();
2639 pa_assert(PA_SINK_IS_LINKED(s->state));
2641 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_ATTACH, NULL, 0, NULL) == 0);
2644 /* Called from IO thread */
2645 void pa_sink_detach_within_thread(pa_sink *s) {
2649 pa_sink_assert_ref(s);
2650 pa_sink_assert_io_context(s);
2651 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
2653 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2657 if (s->monitor_source)
2658 pa_source_detach_within_thread(s->monitor_source);
2661 /* Called from IO thread */
2662 void pa_sink_attach_within_thread(pa_sink *s) {
2666 pa_sink_assert_ref(s);
2667 pa_sink_assert_io_context(s);
2668 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
2670 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2674 if (s->monitor_source)
2675 pa_source_attach_within_thread(s->monitor_source);
2678 /* Called from IO thread */
2679 void pa_sink_request_rewind(pa_sink*s, size_t nbytes) {
2680 pa_sink_assert_ref(s);
2681 pa_sink_assert_io_context(s);
2682 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
2684 if (s->thread_info.state == PA_SINK_SUSPENDED)
2687 if (nbytes == (size_t) -1)
2688 nbytes = s->thread_info.max_rewind;
2690 nbytes = PA_MIN(nbytes, s->thread_info.max_rewind);
2692 if (s->thread_info.rewind_requested &&
2693 nbytes <= s->thread_info.rewind_nbytes)
2696 s->thread_info.rewind_nbytes = nbytes;
2697 s->thread_info.rewind_requested = TRUE;
2699 if (s->request_rewind)
2700 s->request_rewind(s);
2703 /* Called from IO thread */
2704 pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) {
2705 pa_usec_t result = (pa_usec_t) -1;
2708 pa_usec_t monitor_latency;
2710 pa_sink_assert_ref(s);
2711 pa_sink_assert_io_context(s);
2713 if (!(s->flags & PA_SINK_DYNAMIC_LATENCY))
2714 return PA_CLAMP(s->thread_info.fixed_latency, s->thread_info.min_latency, s->thread_info.max_latency);
2716 if (s->thread_info.requested_latency_valid)
2717 return s->thread_info.requested_latency;
2719 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2720 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1 &&
2721 (result == (pa_usec_t) -1 || result > i->thread_info.requested_sink_latency))
2722 result = i->thread_info.requested_sink_latency;
2724 monitor_latency = pa_source_get_requested_latency_within_thread(s->monitor_source);
2726 if (monitor_latency != (pa_usec_t) -1 &&
2727 (result == (pa_usec_t) -1 || result > monitor_latency))
2728 result = monitor_latency;
2730 if (result != (pa_usec_t) -1)
2731 result = PA_CLAMP(result, s->thread_info.min_latency, s->thread_info.max_latency);
2733 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
2734 /* Only cache if properly initialized */
2735 s->thread_info.requested_latency = result;
2736 s->thread_info.requested_latency_valid = TRUE;
2742 /* Called from main thread */
2743 pa_usec_t pa_sink_get_requested_latency(pa_sink *s) {
2746 pa_sink_assert_ref(s);
2747 pa_assert_ctl_context();
2748 pa_assert(PA_SINK_IS_LINKED(s->state));
2750 if (s->state == PA_SINK_SUSPENDED)
2753 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
2758 /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
2759 void pa_sink_set_max_rewind_within_thread(pa_sink *s, size_t max_rewind) {
2763 pa_sink_assert_ref(s);
2764 pa_sink_assert_io_context(s);
2766 if (max_rewind == s->thread_info.max_rewind)
2769 s->thread_info.max_rewind = max_rewind;
2771 if (PA_SINK_IS_LINKED(s->thread_info.state))
2772 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2773 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
2775 if (s->monitor_source)
2776 pa_source_set_max_rewind_within_thread(s->monitor_source, s->thread_info.max_rewind);
2779 /* Called from main thread */
2780 void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind) {
2781 pa_sink_assert_ref(s);
2782 pa_assert_ctl_context();
2784 if (PA_SINK_IS_LINKED(s->state))
2785 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MAX_REWIND, NULL, max_rewind, NULL) == 0);
2787 pa_sink_set_max_rewind_within_thread(s, max_rewind);
2790 /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
2791 void pa_sink_set_max_request_within_thread(pa_sink *s, size_t max_request) {
2794 pa_sink_assert_ref(s);
2795 pa_sink_assert_io_context(s);
2797 if (max_request == s->thread_info.max_request)
2800 s->thread_info.max_request = max_request;
2802 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
2805 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2806 pa_sink_input_update_max_request(i, s->thread_info.max_request);
2810 /* Called from main thread */
2811 void pa_sink_set_max_request(pa_sink *s, size_t max_request) {
2812 pa_sink_assert_ref(s);
2813 pa_assert_ctl_context();
2815 if (PA_SINK_IS_LINKED(s->state))
2816 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MAX_REQUEST, NULL, max_request, NULL) == 0);
2818 pa_sink_set_max_request_within_thread(s, max_request);
2821 /* Called from IO thread */
2822 void pa_sink_invalidate_requested_latency(pa_sink *s, pa_bool_t dynamic) {
2826 pa_sink_assert_ref(s);
2827 pa_sink_assert_io_context(s);
2829 if ((s->flags & PA_SINK_DYNAMIC_LATENCY))
2830 s->thread_info.requested_latency_valid = FALSE;
2834 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
2836 if (s->update_requested_latency)
2837 s->update_requested_latency(s);
2839 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2840 if (i->update_sink_requested_latency)
2841 i->update_sink_requested_latency(i);
2845 /* Called from main thread */
2846 void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
2847 pa_sink_assert_ref(s);
2848 pa_assert_ctl_context();
2850 /* min_latency == 0: no limit
2851 * min_latency anything else: specified limit
2853 * Similar for max_latency */
2855 if (min_latency < ABSOLUTE_MIN_LATENCY)
2856 min_latency = ABSOLUTE_MIN_LATENCY;
2858 if (max_latency <= 0 ||
2859 max_latency > ABSOLUTE_MAX_LATENCY)
2860 max_latency = ABSOLUTE_MAX_LATENCY;
2862 pa_assert(min_latency <= max_latency);
2864 /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
2865 pa_assert((min_latency == ABSOLUTE_MIN_LATENCY &&
2866 max_latency == ABSOLUTE_MAX_LATENCY) ||
2867 (s->flags & PA_SINK_DYNAMIC_LATENCY));
2869 if (PA_SINK_IS_LINKED(s->state)) {
2875 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0);
2877 pa_sink_set_latency_range_within_thread(s, min_latency, max_latency);
2880 /* Called from main thread */
2881 void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
2882 pa_sink_assert_ref(s);
2883 pa_assert_ctl_context();
2884 pa_assert(min_latency);
2885 pa_assert(max_latency);
2887 if (PA_SINK_IS_LINKED(s->state)) {
2888 pa_usec_t r[2] = { 0, 0 };
2890 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
2892 *min_latency = r[0];
2893 *max_latency = r[1];
2895 *min_latency = s->thread_info.min_latency;
2896 *max_latency = s->thread_info.max_latency;
2900 /* Called from IO thread */
2901 void pa_sink_set_latency_range_within_thread(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
2902 pa_sink_assert_ref(s);
2903 pa_sink_assert_io_context(s);
2905 pa_assert(min_latency >= ABSOLUTE_MIN_LATENCY);
2906 pa_assert(max_latency <= ABSOLUTE_MAX_LATENCY);
2907 pa_assert(min_latency <= max_latency);
2909 /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
2910 pa_assert((min_latency == ABSOLUTE_MIN_LATENCY &&
2911 max_latency == ABSOLUTE_MAX_LATENCY) ||
2912 (s->flags & PA_SINK_DYNAMIC_LATENCY));
2914 if (s->thread_info.min_latency == min_latency &&
2915 s->thread_info.max_latency == max_latency)
2918 s->thread_info.min_latency = min_latency;
2919 s->thread_info.max_latency = max_latency;
2921 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
2925 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2926 if (i->update_sink_latency_range)
2927 i->update_sink_latency_range(i);
2930 pa_sink_invalidate_requested_latency(s, FALSE);
2932 pa_source_set_latency_range_within_thread(s->monitor_source, min_latency, max_latency);
2935 /* Called from main thread */
2936 void pa_sink_set_fixed_latency(pa_sink *s, pa_usec_t latency) {
2937 pa_sink_assert_ref(s);
2938 pa_assert_ctl_context();
2940 if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
2941 pa_assert(latency == 0);
2945 if (latency < ABSOLUTE_MIN_LATENCY)
2946 latency = ABSOLUTE_MIN_LATENCY;
2948 if (latency > ABSOLUTE_MAX_LATENCY)
2949 latency = ABSOLUTE_MAX_LATENCY;
2951 if (PA_SINK_IS_LINKED(s->state))
2952 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_FIXED_LATENCY, NULL, (int64_t) latency, NULL) == 0);
2954 s->thread_info.fixed_latency = latency;
2956 pa_source_set_fixed_latency(s->monitor_source, latency);
2959 /* Called from main thread */
2960 pa_usec_t pa_sink_get_fixed_latency(pa_sink *s) {
2963 pa_sink_assert_ref(s);
2964 pa_assert_ctl_context();
2966 if (s->flags & PA_SINK_DYNAMIC_LATENCY)
2969 if (PA_SINK_IS_LINKED(s->state))
2970 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_FIXED_LATENCY, &latency, 0, NULL) == 0);
2972 latency = s->thread_info.fixed_latency;
2977 /* Called from IO thread */
2978 void pa_sink_set_fixed_latency_within_thread(pa_sink *s, pa_usec_t latency) {
2979 pa_sink_assert_ref(s);
2980 pa_sink_assert_io_context(s);
2982 if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
2983 pa_assert(latency == 0);
2987 pa_assert(latency >= ABSOLUTE_MIN_LATENCY);
2988 pa_assert(latency <= ABSOLUTE_MAX_LATENCY);
2990 if (s->thread_info.fixed_latency == latency)
2993 s->thread_info.fixed_latency = latency;
2995 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
2999 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3000 if (i->update_sink_fixed_latency)
3001 i->update_sink_fixed_latency(i);
3004 pa_sink_invalidate_requested_latency(s, FALSE);
3006 pa_source_set_fixed_latency_within_thread(s->monitor_source, latency);
3009 /* Called from main context */
3010 size_t pa_sink_get_max_rewind(pa_sink *s) {
3012 pa_assert_ctl_context();
3013 pa_sink_assert_ref(s);
3015 if (!PA_SINK_IS_LINKED(s->state))
3016 return s->thread_info.max_rewind;
3018 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0);
3023 /* Called from main context */
3024 size_t pa_sink_get_max_request(pa_sink *s) {
3026 pa_sink_assert_ref(s);
3027 pa_assert_ctl_context();
3029 if (!PA_SINK_IS_LINKED(s->state))
3030 return s->thread_info.max_request;
3032 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REQUEST, &r, 0, NULL) == 0);
3037 /* Called from main context */
3038 int pa_sink_set_port(pa_sink *s, const char *name, pa_bool_t save) {
3039 pa_device_port *port;
3042 pa_sink_assert_ref(s);
3043 pa_assert_ctl_context();
3046 pa_log_debug("set_port() operation not implemented for sink %u \"%s\"", s->index, s->name);
3047 return -PA_ERR_NOTIMPLEMENTED;
3051 return -PA_ERR_NOENTITY;
3053 if (!(port = pa_hashmap_get(s->ports, name)))
3054 return -PA_ERR_NOENTITY;
3056 if (s->active_port == port) {
3057 s->save_port = s->save_port || save;
3061 if (s->flags & PA_SINK_SYNC_VOLUME) {
3062 struct sink_message_set_port msg = { .port = port, .ret = 0 };
3063 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT, &msg, 0, NULL) == 0);
3067 ret = s->set_port(s, port);
3070 return -PA_ERR_NOENTITY;
3072 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
3074 pa_log_info("Changed port of sink %u \"%s\" to %s", s->index, s->name, port->name);
3076 s->active_port = port;
3077 s->save_port = save;
3079 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PORT_CHANGED], s);
3084 pa_bool_t pa_device_init_icon(pa_proplist *p, pa_bool_t is_sink) {
3085 const char *ff, *c, *t = NULL, *s = "", *profile, *bus;
3089 if (pa_proplist_contains(p, PA_PROP_DEVICE_ICON_NAME))
3092 if ((ff = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
3094 if (pa_streq(ff, "microphone"))
3095 t = "audio-input-microphone";
3096 else if (pa_streq(ff, "webcam"))
3098 else if (pa_streq(ff, "computer"))
3100 else if (pa_streq(ff, "handset"))
3102 else if (pa_streq(ff, "portable"))
3103 t = "multimedia-player";
3104 else if (pa_streq(ff, "tv"))
3105 t = "video-display";
3108 * The following icons are not part of the icon naming spec,
3109 * because Rodney Dawes sucks as the maintainer of that spec.
3111 * http://lists.freedesktop.org/archives/xdg/2009-May/010397.html
3113 else if (pa_streq(ff, "headset"))
3114 t = "audio-headset";
3115 else if (pa_streq(ff, "headphone"))
3116 t = "audio-headphones";
3117 else if (pa_streq(ff, "speaker"))
3118 t = "audio-speakers";
3119 else if (pa_streq(ff, "hands-free"))
3120 t = "audio-handsfree";
3124 if ((c = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
3125 if (pa_streq(c, "modem"))
3132 t = "audio-input-microphone";
3135 if ((profile = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
3136 if (strstr(profile, "analog"))
3138 else if (strstr(profile, "iec958"))
3140 else if (strstr(profile, "hdmi"))
3144 bus = pa_proplist_gets(p, PA_PROP_DEVICE_BUS);
3146 pa_proplist_setf(p, PA_PROP_DEVICE_ICON_NAME, "%s%s%s%s", t, pa_strempty(s), bus ? "-" : "", pa_strempty(bus));
3151 pa_bool_t pa_device_init_description(pa_proplist *p) {
3152 const char *s, *d = NULL, *k;
3155 if (pa_proplist_contains(p, PA_PROP_DEVICE_DESCRIPTION))
3158 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
3159 if (pa_streq(s, "internal"))
3160 d = _("Internal Audio");
3163 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
3164 if (pa_streq(s, "modem"))
3168 d = pa_proplist_gets(p, PA_PROP_DEVICE_PRODUCT_NAME);
3173 k = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_DESCRIPTION);
3176 pa_proplist_setf(p, PA_PROP_DEVICE_DESCRIPTION, _("%s %s"), d, k);
3178 pa_proplist_sets(p, PA_PROP_DEVICE_DESCRIPTION, d);
3183 pa_bool_t pa_device_init_intended_roles(pa_proplist *p) {
3187 if (pa_proplist_contains(p, PA_PROP_DEVICE_INTENDED_ROLES))
3190 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
3191 if (pa_streq(s, "handset") || pa_streq(s, "hands-free")
3192 || pa_streq(s, "headset")) {
3193 pa_proplist_sets(p, PA_PROP_DEVICE_INTENDED_ROLES, "phone");
3200 unsigned pa_device_init_priority(pa_proplist *p) {
3202 unsigned priority = 0;
3206 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS))) {
3208 if (pa_streq(s, "sound"))
3210 else if (!pa_streq(s, "modem"))
3214 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
3216 if (pa_streq(s, "internal"))
3218 else if (pa_streq(s, "speaker"))
3220 else if (pa_streq(s, "headphone"))
3224 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_BUS))) {
3226 if (pa_streq(s, "pci"))
3228 else if (pa_streq(s, "usb"))
3230 else if (pa_streq(s, "bluetooth"))
3234 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
3236 if (pa_startswith(s, "analog-"))
3238 else if (pa_startswith(s, "iec958-"))
3245 PA_STATIC_FLIST_DECLARE(pa_sink_volume_change, 0, pa_xfree);
3247 /* Called from the IO thread. */
3248 static pa_sink_volume_change *pa_sink_volume_change_new(pa_sink *s) {
3249 pa_sink_volume_change *c;
3250 if (!(c = pa_flist_pop(PA_STATIC_FLIST_GET(pa_sink_volume_change))))
3251 c = pa_xnew(pa_sink_volume_change, 1);
3253 PA_LLIST_INIT(pa_sink_volume_change, c);
3255 pa_cvolume_reset(&c->hw_volume, s->sample_spec.channels);
3259 /* Called from the IO thread. */
3260 static void pa_sink_volume_change_free(pa_sink_volume_change *c) {
3262 if (pa_flist_push(PA_STATIC_FLIST_GET(pa_sink_volume_change), c) < 0)
3266 /* Called from the IO thread. */
3267 void pa_sink_volume_change_push(pa_sink *s) {
3268 pa_sink_volume_change *c = NULL;
3269 pa_sink_volume_change *nc = NULL;
3270 uint32_t safety_margin = s->thread_info.volume_change_safety_margin;
3272 const char *direction = NULL;
3275 nc = pa_sink_volume_change_new(s);
3277 /* NOTE: There is already more different volumes in pa_sink that I can remember.
3278 * Adding one more volume for HW would get us rid of this, but I am trying
3279 * to survive with the ones we already have. */
3280 pa_sw_cvolume_divide(&nc->hw_volume, &s->real_volume, &s->soft_volume);
3282 if (!s->thread_info.volume_changes && pa_cvolume_equal(&nc->hw_volume, &s->thread_info.current_hw_volume)) {
3283 pa_log_debug("Volume not changing");
3284 pa_sink_volume_change_free(nc);
3288 nc->at = pa_sink_get_latency_within_thread(s);
3289 nc->at += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
3291 if (s->thread_info.volume_changes_tail) {
3292 for (c = s->thread_info.volume_changes_tail; c; c = c->prev) {
3293 /* If volume is going up let's do it a bit late. If it is going
3294 * down let's do it a bit early. */
3295 if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&c->hw_volume)) {
3296 if (nc->at + safety_margin > c->at) {
3297 nc->at += safety_margin;
3302 else if (nc->at - safety_margin > c->at) {
3303 nc->at -= safety_margin;
3311 if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&s->thread_info.current_hw_volume)) {
3312 nc->at += safety_margin;
3315 nc->at -= safety_margin;
3318 PA_LLIST_PREPEND(pa_sink_volume_change, s->thread_info.volume_changes, nc);
3321 PA_LLIST_INSERT_AFTER(pa_sink_volume_change, s->thread_info.volume_changes, c, nc);
3324 pa_log_debug("Volume going %s to %d at %llu", direction, pa_cvolume_avg(&nc->hw_volume), (long long unsigned) nc->at);
3326 /* We can ignore volume events that came earlier but should happen later than this. */
3327 PA_LLIST_FOREACH(c, nc->next) {
3328 pa_log_debug("Volume change to %d at %llu was dropped", pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at);
3329 pa_sink_volume_change_free(c);
3332 s->thread_info.volume_changes_tail = nc;
3335 /* Called from the IO thread. */
3336 static void pa_sink_volume_change_flush(pa_sink *s) {
3337 pa_sink_volume_change *c = s->thread_info.volume_changes;
3339 s->thread_info.volume_changes = NULL;
3340 s->thread_info.volume_changes_tail = NULL;
3342 pa_sink_volume_change *next = c->next;
3343 pa_sink_volume_change_free(c);
3348 /* Called from the IO thread. */
3349 pa_bool_t pa_sink_volume_change_apply(pa_sink *s, pa_usec_t *usec_to_next) {
3350 pa_usec_t now = pa_rtclock_now();
3351 pa_bool_t ret = FALSE;
3355 if (!PA_SINK_IS_LINKED(s->state)) {
3361 pa_assert(s->write_volume);
3363 while (s->thread_info.volume_changes && now >= s->thread_info.volume_changes->at) {
3364 pa_sink_volume_change *c = s->thread_info.volume_changes;
3365 PA_LLIST_REMOVE(pa_sink_volume_change, s->thread_info.volume_changes, c);
3366 pa_log_debug("Volume change to %d at %llu was written %llu usec late",
3367 pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at, (long long unsigned) (now - c->at));
3369 s->thread_info.current_hw_volume = c->hw_volume;
3370 pa_sink_volume_change_free(c);
3373 if (s->write_volume && ret)
3376 if (s->thread_info.volume_changes) {
3378 *usec_to_next = s->thread_info.volume_changes->at - now;
3379 if (pa_log_ratelimit(PA_LOG_DEBUG))
3380 pa_log_debug("Next volume change in %lld usec", (long long) (s->thread_info.volume_changes->at - now));
3385 s->thread_info.volume_changes_tail = NULL;
3390 /* Called from the IO thread. */
3391 static void pa_sink_volume_change_rewind(pa_sink *s, size_t nbytes) {
3392 /* All the queued volume events later than current latency are shifted to happen earlier. */
3393 pa_sink_volume_change *c;
3394 pa_volume_t prev_vol = pa_cvolume_avg(&s->thread_info.current_hw_volume);
3395 pa_usec_t rewound = pa_bytes_to_usec(nbytes, &s->sample_spec);
3396 pa_usec_t limit = pa_sink_get_latency_within_thread(s);
3398 pa_log_debug("latency = %lld", (long long) limit);
3399 limit += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
3401 PA_LLIST_FOREACH(c, s->thread_info.volume_changes) {
3402 pa_usec_t modified_limit = limit;
3403 if (prev_vol > pa_cvolume_avg(&c->hw_volume))
3404 modified_limit -= s->thread_info.volume_change_safety_margin;
3406 modified_limit += s->thread_info.volume_change_safety_margin;
3407 if (c->at > modified_limit) {
3409 if (c->at < modified_limit)
3410 c->at = modified_limit;
3412 prev_vol = pa_cvolume_avg(&c->hw_volume);
3414 pa_sink_volume_change_apply(s, NULL);
3417 /* Called from the main thread */
3418 /* Gets the list of formats supported by the sink. The members and idxset must
3419 * be freed by the caller. */
3420 pa_idxset* pa_sink_get_formats(pa_sink *s) {
3425 if (s->get_formats) {
3426 /* Sink supports format query, all is good */
3427 ret = s->get_formats(s);
3429 /* Sink doesn't support format query, so assume it does PCM */
3430 pa_format_info *f = pa_format_info_new();
3431 f->encoding = PA_ENCODING_PCM;
3433 ret = pa_idxset_new(NULL, NULL);
3434 pa_idxset_put(ret, f, NULL);
3440 /* Called from the main thread */
3441 /* Allows an external source to set what formats a sink supports if the sink
3442 * permits this. The function makes a copy of the formats on success. */
3443 pa_bool_t pa_sink_set_formats(pa_sink *s, pa_idxset *formats) {
3448 /* Sink supports setting formats -- let's give it a shot */
3449 return s->set_formats(s, formats);
3451 /* Sink doesn't support setting this -- bail out */
3455 /* Called from the main thread */
3456 /* Checks if the sink can accept this format */
3457 pa_bool_t pa_sink_check_format(pa_sink *s, pa_format_info *f)
3459 pa_idxset *formats = NULL;
3460 pa_bool_t ret = FALSE;
3465 formats = pa_sink_get_formats(s);
3468 pa_format_info *finfo_device;
3471 PA_IDXSET_FOREACH(finfo_device, formats, i) {
3472 if (pa_format_info_is_compatible(finfo_device, f)) {
3478 pa_idxset_free(formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
3484 /* Called from the main thread */
3485 /* Calculates the intersection between formats supported by the sink and
3486 * in_formats, and returns these, in the order of the sink's formats. */
3487 pa_idxset* pa_sink_check_formats(pa_sink *s, pa_idxset *in_formats) {
3488 pa_idxset *out_formats = pa_idxset_new(NULL, NULL), *sink_formats = NULL;
3489 pa_format_info *f_sink, *f_in;
3494 if (!in_formats || pa_idxset_isempty(in_formats))
3497 sink_formats = pa_sink_get_formats(s);
3499 PA_IDXSET_FOREACH(f_sink, sink_formats, i) {
3500 PA_IDXSET_FOREACH(f_in, in_formats, j) {
3501 if (pa_format_info_is_compatible(f_sink, f_in))
3502 pa_idxset_put(out_formats, pa_format_info_copy(f_in), NULL);
3508 pa_idxset_free(sink_formats, (pa_free2_cb_t) pa_format_info_free2, NULL);