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 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/utf8.h>
33 #include <pulse/xmalloc.h>
34 #include <pulse/timeval.h>
36 #include <pulsecore/sink-input.h>
37 #include <pulsecore/namereg.h>
38 #include <pulsecore/core-util.h>
39 #include <pulsecore/sample-util.h>
40 #include <pulsecore/core-subscribe.h>
41 #include <pulsecore/log.h>
42 #include <pulsecore/macro.h>
43 #include <pulsecore/play-memblockq.h>
47 #define MAX_MIX_CHANNELS 32
48 #define MIX_BUFFER_LENGTH (PA_PAGE_SIZE)
49 #define DEFAULT_MIN_LATENCY (4*PA_USEC_PER_MSEC)
51 static PA_DEFINE_CHECK_TYPE(pa_sink, pa_msgobject);
53 static void sink_free(pa_object *s);
55 pa_sink_new_data* pa_sink_new_data_init(pa_sink_new_data *data) {
58 memset(data, 0, sizeof(*data));
59 data->proplist = pa_proplist_new();
64 void pa_sink_new_data_set_name(pa_sink_new_data *data, const char *name) {
68 data->name = pa_xstrdup(name);
71 void pa_sink_new_data_set_sample_spec(pa_sink_new_data *data, const pa_sample_spec *spec) {
74 if ((data->sample_spec_is_set = !!spec))
75 data->sample_spec = *spec;
78 void pa_sink_new_data_set_channel_map(pa_sink_new_data *data, const pa_channel_map *map) {
81 if ((data->channel_map_is_set = !!map))
82 data->channel_map = *map;
85 void pa_sink_new_data_set_volume(pa_sink_new_data *data, const pa_cvolume *volume) {
88 if ((data->volume_is_set = !!volume))
89 data->volume = *volume;
92 void pa_sink_new_data_set_muted(pa_sink_new_data *data, pa_bool_t mute) {
95 data->muted_is_set = TRUE;
99 void pa_sink_new_data_done(pa_sink_new_data *data) {
102 pa_xfree(data->name);
103 pa_proplist_free(data->proplist);
106 /* Called from main context */
107 static void reset_callbacks(pa_sink *s) {
111 s->get_volume = NULL;
112 s->set_volume = NULL;
115 s->request_rewind = NULL;
116 s->update_requested_latency = NULL;
119 /* Called from main context */
120 pa_sink* pa_sink_new(
122 pa_sink_new_data *data,
123 pa_sink_flags_t flags) {
127 char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
128 pa_source_new_data source_data;
133 pa_assert(data->name);
135 s = pa_msgobject_new(pa_sink);
137 if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SINK, s, data->namereg_fail))) {
142 pa_sink_new_data_set_name(data, name);
144 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_NEW], data) < 0) {
146 pa_namereg_unregister(core, name);
150 pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver));
151 pa_return_null_if_fail(data->name && pa_utf8_valid(data->name) && data->name[0]);
153 pa_return_null_if_fail(data->sample_spec_is_set && pa_sample_spec_valid(&data->sample_spec));
155 if (!data->channel_map_is_set)
156 pa_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT));
158 pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map));
159 pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels);
161 if (!data->volume_is_set)
162 pa_cvolume_reset(&data->volume, data->sample_spec.channels);
164 pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
165 pa_return_null_if_fail(data->volume.channels == data->sample_spec.channels);
167 if (!data->muted_is_set)
171 pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->card->proplist);
173 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_FIXATE], data) < 0) {
175 pa_namereg_unregister(core, name);
179 s->parent.parent.free = sink_free;
180 s->parent.process_msg = pa_sink_process_msg;
183 s->state = PA_SINK_INIT;
185 s->name = pa_xstrdup(name);
186 s->proplist = pa_proplist_copy(data->proplist);
187 s->driver = pa_xstrdup(data->driver);
188 s->module = data->module;
189 s->card = data->card;
191 s->sample_spec = data->sample_spec;
192 s->channel_map = data->channel_map;
194 s->inputs = pa_idxset_new(NULL, NULL);
197 s->volume = data->volume;
198 s->base_volume = PA_VOLUME_NORM;
199 s->virtual_volume = s->volume;
201 s->muted = data->muted;
202 s->refresh_volume = s->refresh_muted = FALSE;
210 pa_silence_memchunk_get(
211 &core->silence_cache,
217 s->thread_info.inputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
218 pa_cvolume_reset(&s->thread_info.soft_volume, s->sample_spec.channels);
219 s->thread_info.soft_muted = FALSE;
220 s->thread_info.state = s->state;
221 s->thread_info.rewind_nbytes = 0;
222 s->thread_info.rewind_requested = FALSE;
223 s->thread_info.max_rewind = 0;
224 s->thread_info.max_request = 0;
225 s->thread_info.requested_latency_valid = FALSE;
226 s->thread_info.requested_latency = 0;
227 s->thread_info.min_latency = DEFAULT_MIN_LATENCY;
228 s->thread_info.max_latency = 0;
230 pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0);
233 pa_assert_se(pa_idxset_put(s->card->sinks, s, NULL) >= 0);
235 pa_log_info("Created sink %u \"%s\" with sample spec %s and channel map %s",
238 pa_sample_spec_snprint(st, sizeof(st), &s->sample_spec),
239 pa_channel_map_snprint(cm, sizeof(cm), &s->channel_map));
241 pa_source_new_data_init(&source_data);
242 pa_source_new_data_set_sample_spec(&source_data, &s->sample_spec);
243 pa_source_new_data_set_channel_map(&source_data, &s->channel_map);
244 source_data.name = pa_sprintf_malloc("%s.monitor", name);
245 source_data.driver = data->driver;
246 source_data.module = data->module;
247 source_data.card = data->card;
249 dn = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
250 pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Monitor of %s", dn ? dn : s->name);
251 pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "monitor");
253 s->monitor_source = pa_source_new(core, &source_data, PA_SOURCE_LATENCY);
255 pa_source_new_data_done(&source_data);
257 if (!s->monitor_source) {
263 s->monitor_source->monitor_of = s;
265 pa_source_set_latency_range(s->monitor_source, s->thread_info.min_latency, s->thread_info.max_latency);
266 pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
271 /* Called from main context */
272 static int sink_set_state(pa_sink *s, pa_sink_state_t state) {
274 pa_bool_t suspend_change;
275 pa_sink_state_t original_state;
279 if (s->state == state)
282 original_state = s->state;
285 (original_state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(state)) ||
286 (PA_SINK_IS_OPENED(original_state) && state == PA_SINK_SUSPENDED);
289 if ((ret = s->set_state(s, state)) < 0)
293 if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
296 s->set_state(s, original_state);
303 if (suspend_change) {
307 /* We're suspending or resuming, tell everyone about it */
309 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx)))
311 i->suspend(i, state == PA_SINK_SUSPENDED);
314 if (state != PA_SINK_UNLINKED) { /* if we enter UNLINKED state pa_sink_unlink() will fire the apropriate events */
315 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], s);
316 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
322 /* Called from main context */
323 void pa_sink_put(pa_sink* s) {
324 pa_sink_assert_ref(s);
326 pa_assert(s->state == PA_SINK_INIT);
328 /* The following fields must be initialized properly when calling _put() */
329 pa_assert(s->asyncmsgq);
330 pa_assert(s->rtpoll);
331 pa_assert(!s->thread_info.min_latency || !s->thread_info.max_latency ||
332 s->thread_info.min_latency <= s->thread_info.max_latency);
334 if (!(s->flags & PA_SINK_HW_VOLUME_CTRL)) {
335 s->flags |= PA_SINK_DECIBEL_VOLUME;
337 s->thread_info.soft_volume = s->volume;
338 s->thread_info.soft_muted = s->muted;
341 pa_assert_se(sink_set_state(s, PA_SINK_IDLE) == 0);
343 pa_source_put(s->monitor_source);
345 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index);
346 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PUT], s);
349 /* Called from main context */
350 void pa_sink_unlink(pa_sink* s) {
352 pa_sink_input *i, *j = NULL;
356 /* Please note that pa_sink_unlink() does more than simply
357 * reversing pa_sink_put(). It also undoes the registrations
358 * already done in pa_sink_new()! */
360 /* All operations here shall be idempotent, i.e. pa_sink_unlink()
361 * may be called multiple times on the same sink without bad
364 linked = PA_SINK_IS_LINKED(s->state);
367 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK], s);
369 if (s->state != PA_SINK_UNLINKED)
370 pa_namereg_unregister(s->core, s->name);
371 pa_idxset_remove_by_data(s->core->sinks, s, NULL);
374 pa_idxset_remove_by_data(s->card->sinks, s, NULL);
376 while ((i = pa_idxset_first(s->inputs, NULL))) {
378 pa_sink_input_kill(i);
383 sink_set_state(s, PA_SINK_UNLINKED);
385 s->state = PA_SINK_UNLINKED;
389 if (s->monitor_source)
390 pa_source_unlink(s->monitor_source);
393 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
394 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], s);
398 /* Called from main context */
399 static void sink_free(pa_object *o) {
400 pa_sink *s = PA_SINK(o);
404 pa_assert(pa_sink_refcnt(s) == 0);
406 if (PA_SINK_IS_LINKED(s->state))
409 pa_log_info("Freeing sink %u \"%s\"", s->index, s->name);
411 if (s->monitor_source) {
412 pa_source_unref(s->monitor_source);
413 s->monitor_source = NULL;
416 pa_idxset_free(s->inputs, NULL, NULL);
418 while ((i = pa_hashmap_steal_first(s->thread_info.inputs)))
419 pa_sink_input_unref(i);
421 pa_hashmap_free(s->thread_info.inputs, NULL, NULL);
423 if (s->silence.memblock)
424 pa_memblock_unref(s->silence.memblock);
430 pa_proplist_free(s->proplist);
435 /* Called from main context */
436 void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) {
437 pa_sink_assert_ref(s);
441 if (s->monitor_source)
442 pa_source_set_asyncmsgq(s->monitor_source, q);
445 /* Called from main context */
446 void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) {
447 pa_sink_assert_ref(s);
450 if (s->monitor_source)
451 pa_source_set_rtpoll(s->monitor_source, p);
454 /* Called from main context */
455 int pa_sink_update_status(pa_sink*s) {
456 pa_sink_assert_ref(s);
457 pa_assert(PA_SINK_IS_LINKED(s->state));
459 if (s->state == PA_SINK_SUSPENDED)
462 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
465 /* Called from main context */
466 int pa_sink_suspend(pa_sink *s, pa_bool_t suspend) {
467 pa_sink_assert_ref(s);
468 pa_assert(PA_SINK_IS_LINKED(s->state));
471 return sink_set_state(s, PA_SINK_SUSPENDED);
473 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
476 /* Called from IO thread context */
477 void pa_sink_process_rewind(pa_sink *s, size_t nbytes) {
480 pa_sink_assert_ref(s);
481 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
483 s->thread_info.rewind_nbytes = 0;
484 s->thread_info.rewind_requested = FALSE;
487 pa_log_debug("Processing rewind...");
489 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) {
490 pa_sink_input_assert_ref(i);
491 pa_sink_input_process_rewind(i, nbytes);
495 if (s->monitor_source && PA_SOURCE_IS_OPENED(s->monitor_source->thread_info.state))
496 pa_source_process_rewind(s->monitor_source, nbytes);
499 /* Called from IO thread context */
500 static unsigned fill_mix_info(pa_sink *s, size_t *length, pa_mix_info *info, unsigned maxinfo) {
504 size_t mixlength = *length;
506 pa_sink_assert_ref(s);
509 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)) && maxinfo > 0) {
510 pa_sink_input_assert_ref(i);
512 if (pa_sink_input_peek(i, *length, &info->chunk, &info->volume) < 0)
515 if (mixlength == 0 || info->chunk.length < mixlength)
516 mixlength = info->chunk.length;
518 if (pa_memblock_is_silence(info->chunk.memblock)) {
519 pa_memblock_unref(info->chunk.memblock);
523 info->userdata = pa_sink_input_ref(i);
525 pa_assert(info->chunk.memblock);
526 pa_assert(info->chunk.length > 0);
539 /* Called from IO thread context */
540 static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, pa_memchunk *result) {
544 unsigned n_unreffed = 0;
546 pa_sink_assert_ref(s);
548 pa_assert(result->memblock);
549 pa_assert(result->length > 0);
551 /* We optimize for the case where the order of the inputs has not changed */
553 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) {
555 pa_mix_info* m = NULL;
557 pa_sink_input_assert_ref(i);
559 /* Let's try to find the matching entry info the pa_mix_info array */
560 for (j = 0; j < n; j ++) {
562 if (info[p].userdata == i) {
573 pa_sink_input_drop(i, result->length);
575 if (s->monitor_source && PA_SOURCE_IS_OPENED(pa_source_get_state(s->monitor_source))) {
577 if (pa_hashmap_size(i->thread_info.direct_outputs) > 0) {
582 if (m && m->chunk.memblock) {
584 pa_memblock_ref(c.memblock);
585 pa_assert(result->length <= c.length);
586 c.length = result->length;
588 pa_memchunk_make_writable(&c, 0);
589 pa_volume_memchunk(&c, &s->sample_spec, &m->volume);
592 pa_memblock_ref(c.memblock);
593 pa_assert(result->length <= c.length);
594 c.length = result->length;
597 while ((o = pa_hashmap_iterate(i->thread_info.direct_outputs, &ostate, NULL))) {
598 pa_source_output_assert_ref(o);
599 pa_assert(o->direct_on_input == i);
600 pa_source_post_direct(s->monitor_source, o, &c);
603 pa_memblock_unref(c.memblock);
608 if (m->chunk.memblock)
609 pa_memblock_unref(m->chunk.memblock);
610 pa_memchunk_reset(&m->chunk);
612 pa_sink_input_unref(m->userdata);
619 /* Now drop references to entries that are included in the
620 * pa_mix_info array but don't exist anymore */
622 if (n_unreffed < n) {
623 for (; n > 0; info++, n--) {
625 pa_sink_input_unref(info->userdata);
626 if (info->chunk.memblock)
627 pa_memblock_unref(info->chunk.memblock);
631 if (s->monitor_source && PA_SOURCE_IS_OPENED(pa_source_get_state(s->monitor_source)))
632 pa_source_post(s->monitor_source, result);
635 /* Called from IO thread context */
636 void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
637 pa_mix_info info[MAX_MIX_CHANNELS];
639 size_t block_size_max;
641 pa_sink_assert_ref(s);
642 pa_assert(PA_SINK_IS_OPENED(s->thread_info.state));
643 pa_assert(pa_frame_aligned(length, &s->sample_spec));
648 pa_assert(!s->thread_info.rewind_requested);
649 pa_assert(s->thread_info.rewind_nbytes == 0);
652 length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec);
654 block_size_max = pa_mempool_block_size_max(s->core->mempool);
655 if (length > block_size_max)
656 length = pa_frame_align(block_size_max, &s->sample_spec);
658 pa_assert(length > 0);
660 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
664 *result = s->silence;
665 pa_memblock_ref(result->memblock);
667 if (result->length > length)
668 result->length = length;
673 *result = info[0].chunk;
674 pa_memblock_ref(result->memblock);
676 if (result->length > length)
677 result->length = length;
679 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
681 if (s->thread_info.soft_muted || !pa_cvolume_is_norm(&volume)) {
682 pa_memchunk_make_writable(result, 0);
683 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume))
684 pa_silence_memchunk(result, &s->sample_spec);
686 pa_volume_memchunk(result, &s->sample_spec, &volume);
690 result->memblock = pa_memblock_new(s->core->mempool, length);
692 ptr = pa_memblock_acquire(result->memblock);
693 result->length = pa_mix(info, n,
696 &s->thread_info.soft_volume,
697 s->thread_info.soft_muted);
698 pa_memblock_release(result->memblock);
703 inputs_drop(s, info, n, result);
708 /* Called from IO thread context */
709 void pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
710 pa_mix_info info[MAX_MIX_CHANNELS];
712 size_t length, block_size_max;
714 pa_sink_assert_ref(s);
715 pa_assert(PA_SINK_IS_OPENED(s->thread_info.state));
717 pa_assert(target->memblock);
718 pa_assert(target->length > 0);
719 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
723 pa_assert(!s->thread_info.rewind_requested);
724 pa_assert(s->thread_info.rewind_nbytes == 0);
726 length = target->length;
727 block_size_max = pa_mempool_block_size_max(s->core->mempool);
728 if (length > block_size_max)
729 length = pa_frame_align(block_size_max, &s->sample_spec);
731 pa_assert(length > 0);
733 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
736 if (target->length > length)
737 target->length = length;
739 pa_silence_memchunk(target, &s->sample_spec);
743 if (target->length > length)
744 target->length = length;
746 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
748 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume))
749 pa_silence_memchunk(target, &s->sample_spec);
753 vchunk = info[0].chunk;
754 pa_memblock_ref(vchunk.memblock);
756 if (vchunk.length > length)
757 vchunk.length = length;
759 if (!pa_cvolume_is_norm(&volume)) {
760 pa_memchunk_make_writable(&vchunk, 0);
761 pa_volume_memchunk(&vchunk, &s->sample_spec, &volume);
764 pa_memchunk_memcpy(target, &vchunk);
765 pa_memblock_unref(vchunk.memblock);
771 ptr = pa_memblock_acquire(target->memblock);
773 target->length = pa_mix(info, n,
774 (uint8_t*) ptr + target->index, length,
776 &s->thread_info.soft_volume,
777 s->thread_info.soft_muted);
779 pa_memblock_release(target->memblock);
782 inputs_drop(s, info, n, target);
787 /* Called from IO thread context */
788 void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) {
792 pa_sink_assert_ref(s);
793 pa_assert(PA_SINK_IS_OPENED(s->thread_info.state));
795 pa_assert(target->memblock);
796 pa_assert(target->length > 0);
797 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
801 pa_assert(!s->thread_info.rewind_requested);
802 pa_assert(s->thread_info.rewind_nbytes == 0);
811 pa_sink_render_into(s, &chunk);
820 /* Called from IO thread context */
821 void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) {
822 pa_sink_assert_ref(s);
823 pa_assert(PA_SINK_IS_OPENED(s->thread_info.state));
824 pa_assert(length > 0);
825 pa_assert(pa_frame_aligned(length, &s->sample_spec));
828 pa_assert(!s->thread_info.rewind_requested);
829 pa_assert(s->thread_info.rewind_nbytes == 0);
831 /*** This needs optimization ***/
834 result->length = length;
835 result->memblock = pa_memblock_new(s->core->mempool, length);
837 pa_sink_render_into_full(s, result);
840 /* Called from main thread */
841 pa_usec_t pa_sink_get_latency(pa_sink *s) {
844 pa_sink_assert_ref(s);
845 pa_assert(PA_SINK_IS_LINKED(s->state));
847 /* The returned value is supposed to be in the time domain of the sound card! */
849 if (!PA_SINK_IS_OPENED(s->state))
852 if (!(s->flags & PA_SINK_LATENCY))
855 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
860 /* Called from main thread */
861 void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume) {
863 pa_sink_set_volume_data data;
865 pa_sink_assert_ref(s);
866 pa_assert(PA_SINK_IS_LINKED(s->state));
868 pa_assert(pa_cvolume_valid(volume));
869 pa_assert(pa_cvolume_compatible(volume, &s->sample_spec));
872 data.virtual_volume = data.volume = *volume;
874 changed = !pa_cvolume_equal(&data.virtual_volume, &s->virtual_volume) ||
875 !pa_cvolume_equal(&data.volume, &s->volume);
878 if (pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_SET_VOLUME], &data) < 0)
881 changed = !pa_cvolume_equal(&data.virtual_volume, &s->virtual_volume); /* from client-side view */
884 s->volume = data.volume;
885 s->virtual_volume = data.virtual_volume;
887 if (s->set_volume && s->set_volume(s) < 0)
888 s->set_volume = NULL;
891 pa_sink_set_soft_volume(s, &s->volume);
894 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
897 /* Called from main thread */
898 void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume) {
899 pa_sink_assert_ref(s);
902 if (PA_SINK_IS_LINKED(s->state))
903 pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, volume, 0, NULL);
905 s->thread_info.soft_volume = *volume;
908 /* Called from main thread */
909 const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_bool_t force_refresh) {
910 pa_sink_assert_ref(s);
911 pa_assert(PA_SINK_IS_LINKED(s->state));
913 if (s->refresh_volume || force_refresh) {
914 struct pa_cvolume old_volume = s->virtual_volume;
916 if (s->get_volume && s->get_volume(s) < 0)
917 s->get_volume = NULL;
919 if (!s->get_volume) {
920 pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, &s->volume, 0, NULL);
921 s->virtual_volume = s->volume;
924 if (!pa_cvolume_equal(&old_volume, &s->virtual_volume))
925 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
928 return &s->virtual_volume;
931 /* Called from main thread */
932 void pa_sink_set_mute(pa_sink *s, pa_bool_t mute) {
935 pa_sink_assert_ref(s);
936 pa_assert(PA_SINK_IS_LINKED(s->state));
938 changed = s->muted != mute;
941 if (s->set_mute && s->set_mute(s) < 0)
945 pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, PA_UINT_TO_PTR(mute), 0, NULL, NULL);
948 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
951 /* Called from main thread */
952 pa_bool_t pa_sink_get_mute(pa_sink *s, pa_bool_t force_refresh) {
954 pa_sink_assert_ref(s);
955 pa_assert(PA_SINK_IS_LINKED(s->state));
957 if (s->refresh_muted || force_refresh) {
958 pa_bool_t old_muted = s->muted;
960 if (s->get_mute && s->get_mute(s) < 0)
964 pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, &s->muted, 0, NULL);
966 if (old_muted != s->muted)
967 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
973 /* Called from main thread */
974 pa_bool_t pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p) {
976 pa_sink_assert_ref(s);
978 pa_proplist_update(s->proplist, mode, p);
980 if (PA_SINK_IS_LINKED(s->state)) {
981 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
982 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
988 /* Called from main thread */
989 void pa_sink_set_description(pa_sink *s, const char *description) {
991 pa_sink_assert_ref(s);
993 if (!description && !pa_proplist_contains(s->proplist, PA_PROP_DEVICE_DESCRIPTION))
996 old = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
998 if (old && description && !strcmp(old, description))
1002 pa_proplist_sets(s->proplist, PA_PROP_DEVICE_DESCRIPTION, description);
1004 pa_proplist_unset(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
1006 if (s->monitor_source) {
1009 n = pa_sprintf_malloc("Monitor Source of %s", description ? description : s->name);
1010 pa_source_set_description(s->monitor_source, n);
1014 if (PA_SINK_IS_LINKED(s->state)) {
1015 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
1016 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
1020 /* Called from main thread */
1021 unsigned pa_sink_linked_by(pa_sink *s) {
1024 pa_sink_assert_ref(s);
1025 pa_assert(PA_SINK_IS_LINKED(s->state));
1027 ret = pa_idxset_size(s->inputs);
1029 /* We add in the number of streams connected to us here. Please
1030 * note the asymmmetry to pa_sink_used_by()! */
1032 if (s->monitor_source)
1033 ret += pa_source_linked_by(s->monitor_source);
1038 /* Called from main thread */
1039 unsigned pa_sink_used_by(pa_sink *s) {
1042 pa_sink_assert_ref(s);
1043 pa_assert(PA_SINK_IS_LINKED(s->state));
1045 ret = pa_idxset_size(s->inputs);
1046 pa_assert(ret >= s->n_corked);
1048 /* Streams connected to our monitor source do not matter for
1049 * pa_sink_used_by()!.*/
1051 return ret - s->n_corked;
1054 /* Called from main thread */
1055 unsigned pa_sink_check_suspend(pa_sink *s) {
1060 pa_sink_assert_ref(s);
1062 if (!PA_SINK_IS_LINKED(s->state))
1067 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
1068 pa_sink_input_state_t st;
1070 st = pa_sink_input_get_state(i);
1071 pa_assert(PA_SINK_INPUT_IS_LINKED(st));
1073 if (st == PA_SINK_INPUT_CORKED)
1076 if (i->flags & PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND)
1082 if (s->monitor_source)
1083 ret += pa_source_check_suspend(s->monitor_source);
1088 /* Called from IO thread, except when it is not */
1089 int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
1090 pa_sink *s = PA_SINK(o);
1091 pa_sink_assert_ref(s);
1093 switch ((pa_sink_message_t) code) {
1095 case PA_SINK_MESSAGE_ADD_INPUT: {
1096 pa_sink_input *i = PA_SINK_INPUT(userdata);
1098 /* If you change anything here, make sure to change the
1099 * sink input handling a few lines down at
1100 * PA_SINK_MESSAGE_FINISH_MOVE, too. */
1102 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
1104 /* Since the caller sleeps in pa_sink_input_put(), we can
1105 * safely access data outside of thread_info even though
1108 if ((i->thread_info.sync_prev = i->sync_prev)) {
1109 pa_assert(i->sink == i->thread_info.sync_prev->sink);
1110 pa_assert(i->sync_prev->sync_next == i);
1111 i->thread_info.sync_prev->thread_info.sync_next = i;
1114 if ((i->thread_info.sync_next = i->sync_next)) {
1115 pa_assert(i->sink == i->thread_info.sync_next->sink);
1116 pa_assert(i->sync_next->sync_prev == i);
1117 i->thread_info.sync_next->thread_info.sync_prev = i;
1120 pa_assert(!i->thread_info.attached);
1121 i->thread_info.attached = TRUE;
1126 pa_sink_input_set_state_within_thread(i, i->state);
1128 /* The requested latency of the sink input needs to be
1129 * fixed up and then configured on the sink */
1131 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
1132 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
1134 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
1135 pa_sink_input_update_max_request(i, s->thread_info.max_request);
1137 /* We don't rewind here automatically. This is left to the
1138 * sink input implementor because some sink inputs need a
1139 * slow start, i.e. need some time to buffer client
1140 * samples before beginning streaming. */
1145 case PA_SINK_MESSAGE_REMOVE_INPUT: {
1146 pa_sink_input *i = PA_SINK_INPUT(userdata);
1148 /* If you change anything here, make sure to change the
1149 * sink input handling a few lines down at
1150 * PA_SINK_MESSAGE_PREPAPRE_MOVE, too. */
1155 pa_sink_input_set_state_within_thread(i, i->state);
1157 pa_assert(i->thread_info.attached);
1158 i->thread_info.attached = FALSE;
1160 /* Since the caller sleeps in pa_sink_input_unlink(),
1161 * we can safely access data outside of thread_info even
1162 * though it is mutable */
1164 pa_assert(!i->sync_prev);
1165 pa_assert(!i->sync_next);
1167 if (i->thread_info.sync_prev) {
1168 i->thread_info.sync_prev->thread_info.sync_next = i->thread_info.sync_prev->sync_next;
1169 i->thread_info.sync_prev = NULL;
1172 if (i->thread_info.sync_next) {
1173 i->thread_info.sync_next->thread_info.sync_prev = i->thread_info.sync_next->sync_prev;
1174 i->thread_info.sync_next = NULL;
1177 if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
1178 pa_sink_input_unref(i);
1180 pa_sink_invalidate_requested_latency(s);
1181 pa_sink_request_rewind(s, (size_t) -1);
1186 case PA_SINK_MESSAGE_START_MOVE: {
1187 pa_sink_input *i = PA_SINK_INPUT(userdata);
1189 /* We don't support moving synchronized streams. */
1190 pa_assert(!i->sync_prev);
1191 pa_assert(!i->sync_next);
1192 pa_assert(!i->thread_info.sync_next);
1193 pa_assert(!i->thread_info.sync_prev);
1195 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
1197 size_t sink_nbytes, total_nbytes;
1199 /* Get the latency of the sink */
1200 if (!(s->flags & PA_SINK_LATENCY) ||
1201 PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
1204 sink_nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
1205 total_nbytes = sink_nbytes + pa_memblockq_get_length(i->thread_info.render_memblockq);
1207 if (total_nbytes > 0) {
1208 i->thread_info.rewrite_nbytes = i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, total_nbytes) : total_nbytes;
1209 i->thread_info.rewrite_flush = TRUE;
1210 pa_sink_input_process_rewind(i, sink_nbytes);
1217 pa_assert(i->thread_info.attached);
1218 i->thread_info.attached = FALSE;
1220 /* Let's remove the sink input ...*/
1221 if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
1222 pa_sink_input_unref(i);
1224 pa_sink_invalidate_requested_latency(s);
1226 pa_log_debug("Requesting rewind due to started move");
1227 pa_sink_request_rewind(s, (size_t) -1);
1232 case PA_SINK_MESSAGE_FINISH_MOVE: {
1233 pa_sink_input *i = PA_SINK_INPUT(userdata);
1235 /* We don't support moving synchronized streams. */
1236 pa_assert(!i->sync_prev);
1237 pa_assert(!i->sync_next);
1238 pa_assert(!i->thread_info.sync_next);
1239 pa_assert(!i->thread_info.sync_prev);
1241 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
1243 pa_assert(!i->thread_info.attached);
1244 i->thread_info.attached = TRUE;
1249 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
1250 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
1252 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
1253 pa_sink_input_update_max_request(i, s->thread_info.max_request);
1255 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
1259 /* Get the latency of the sink */
1260 if (!(s->flags & PA_SINK_LATENCY) ||
1261 PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
1264 nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
1267 pa_sink_input_drop(i, nbytes);
1269 pa_log_debug("Requesting rewind due to finished move");
1270 pa_sink_request_rewind(s, nbytes);
1276 case PA_SINK_MESSAGE_SET_VOLUME:
1277 s->thread_info.soft_volume = *((pa_cvolume*) userdata);
1279 pa_sink_request_rewind(s, (size_t) -1);
1282 case PA_SINK_MESSAGE_SET_MUTE:
1283 s->thread_info.soft_muted = PA_PTR_TO_UINT(userdata);
1285 pa_sink_request_rewind(s, (size_t) -1);
1288 case PA_SINK_MESSAGE_GET_VOLUME:
1289 *((pa_cvolume*) userdata) = s->thread_info.soft_volume;
1292 case PA_SINK_MESSAGE_GET_MUTE:
1293 *((pa_bool_t*) userdata) = s->thread_info.soft_muted;
1296 case PA_SINK_MESSAGE_SET_STATE:
1298 s->thread_info.state = PA_PTR_TO_UINT(userdata);
1301 case PA_SINK_MESSAGE_DETACH:
1303 /* Detach all streams */
1304 pa_sink_detach_within_thread(s);
1307 case PA_SINK_MESSAGE_ATTACH:
1309 /* Reattach all streams */
1310 pa_sink_attach_within_thread(s);
1313 case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY: {
1315 pa_usec_t *usec = userdata;
1316 *usec = pa_sink_get_requested_latency_within_thread(s);
1318 if (*usec == (pa_usec_t) -1)
1319 *usec = s->thread_info.max_latency;
1324 case PA_SINK_MESSAGE_SET_LATENCY_RANGE: {
1325 pa_usec_t *r = userdata;
1327 pa_sink_update_latency_range(s, r[0], r[1]);
1332 case PA_SINK_MESSAGE_GET_LATENCY_RANGE: {
1333 pa_usec_t *r = userdata;
1335 r[0] = s->thread_info.min_latency;
1336 r[1] = s->thread_info.max_latency;
1341 case PA_SINK_MESSAGE_GET_MAX_REWIND:
1343 *((size_t*) userdata) = s->thread_info.max_rewind;
1346 case PA_SINK_MESSAGE_GET_MAX_REQUEST:
1348 *((size_t*) userdata) = s->thread_info.max_request;
1351 case PA_SINK_MESSAGE_GET_LATENCY:
1352 case PA_SINK_MESSAGE_MAX:
1359 /* Called from main thread */
1360 int pa_sink_suspend_all(pa_core *c, pa_bool_t suspend) {
1365 pa_core_assert_ref(c);
1367 for (sink = PA_SINK(pa_idxset_first(c->sinks, &idx)); sink; sink = PA_SINK(pa_idxset_next(c->sinks, &idx)))
1368 ret -= pa_sink_suspend(sink, suspend) < 0;
1373 /* Called from main thread */
1374 void pa_sink_detach(pa_sink *s) {
1375 pa_sink_assert_ref(s);
1376 pa_assert(PA_SINK_IS_LINKED(s->state));
1378 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_DETACH, NULL, 0, NULL) == 0);
1381 /* Called from main thread */
1382 void pa_sink_attach(pa_sink *s) {
1383 pa_sink_assert_ref(s);
1384 pa_assert(PA_SINK_IS_LINKED(s->state));
1386 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_ATTACH, NULL, 0, NULL) == 0);
1389 /* Called from IO thread */
1390 void pa_sink_detach_within_thread(pa_sink *s) {
1394 pa_sink_assert_ref(s);
1395 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1397 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1401 if (s->monitor_source)
1402 pa_source_detach_within_thread(s->monitor_source);
1405 /* Called from IO thread */
1406 void pa_sink_attach_within_thread(pa_sink *s) {
1410 pa_sink_assert_ref(s);
1411 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1413 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1417 if (s->monitor_source)
1418 pa_source_attach_within_thread(s->monitor_source);
1421 /* Called from IO thread */
1422 void pa_sink_request_rewind(pa_sink*s, size_t nbytes) {
1423 pa_sink_assert_ref(s);
1424 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1426 if (nbytes == (size_t) -1)
1427 nbytes = s->thread_info.max_rewind;
1429 nbytes = PA_MIN(nbytes, s->thread_info.max_rewind);
1431 if (s->thread_info.rewind_requested &&
1432 nbytes <= s->thread_info.rewind_nbytes)
1435 s->thread_info.rewind_nbytes = nbytes;
1436 s->thread_info.rewind_requested = TRUE;
1438 if (s->request_rewind)
1439 s->request_rewind(s);
1442 /* Called from IO thread */
1443 pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) {
1444 pa_usec_t result = (pa_usec_t) -1;
1447 pa_usec_t monitor_latency;
1449 pa_sink_assert_ref(s);
1451 if (s->thread_info.requested_latency_valid)
1452 return s->thread_info.requested_latency;
1454 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1456 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1 &&
1457 (result == (pa_usec_t) -1 || result > i->thread_info.requested_sink_latency))
1458 result = i->thread_info.requested_sink_latency;
1460 monitor_latency = pa_source_get_requested_latency_within_thread(s->monitor_source);
1462 if (monitor_latency != (pa_usec_t) -1 &&
1463 (result == (pa_usec_t) -1 || result > monitor_latency))
1464 result = monitor_latency;
1466 if (result != (pa_usec_t) -1) {
1467 if (s->thread_info.max_latency > 0 && result > s->thread_info.max_latency)
1468 result = s->thread_info.max_latency;
1470 if (s->thread_info.min_latency > 0 && result < s->thread_info.min_latency)
1471 result = s->thread_info.min_latency;
1474 s->thread_info.requested_latency = result;
1475 s->thread_info.requested_latency_valid = TRUE;
1480 /* Called from main thread */
1481 pa_usec_t pa_sink_get_requested_latency(pa_sink *s) {
1484 pa_sink_assert_ref(s);
1485 pa_assert(PA_SINK_IS_LINKED(s->state));
1487 if (!PA_SINK_IS_OPENED(s->state))
1490 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
1494 /* Called from IO thread */
1495 void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind) {
1499 pa_sink_assert_ref(s);
1501 if (max_rewind == s->thread_info.max_rewind)
1504 s->thread_info.max_rewind = max_rewind;
1506 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
1507 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1508 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
1511 if (s->monitor_source)
1512 pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
1515 /* Called from IO thread */
1516 void pa_sink_set_max_request(pa_sink *s, size_t max_request) {
1519 pa_sink_assert_ref(s);
1521 if (max_request == s->thread_info.max_request)
1524 s->thread_info.max_request = max_request;
1526 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
1529 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1530 pa_sink_input_update_max_request(i, s->thread_info.max_request);
1534 /* Called from IO thread */
1535 void pa_sink_invalidate_requested_latency(pa_sink *s) {
1539 pa_sink_assert_ref(s);
1541 s->thread_info.requested_latency_valid = FALSE;
1543 if (s->update_requested_latency)
1544 s->update_requested_latency(s);
1546 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1547 if (i->update_sink_requested_latency)
1548 i->update_sink_requested_latency(i);
1551 /* Called from main thread */
1552 void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
1553 pa_sink_assert_ref(s);
1555 /* min_latency == 0: no limit
1556 * min_latency == (size_t) -1: default limit
1557 * min_latency anything else: specified limit
1559 * Similar for max_latency */
1561 if (min_latency == (pa_usec_t) -1)
1562 min_latency = DEFAULT_MIN_LATENCY;
1564 if (max_latency == (pa_usec_t) -1)
1565 max_latency = min_latency;
1567 pa_assert(!min_latency || !max_latency ||
1568 min_latency <= max_latency);
1570 if (PA_SINK_IS_LINKED(s->state)) {
1576 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0);
1578 s->thread_info.min_latency = min_latency;
1579 s->thread_info.max_latency = max_latency;
1581 s->monitor_source->thread_info.min_latency = min_latency;
1582 s->monitor_source->thread_info.max_latency = max_latency;
1584 s->thread_info.requested_latency_valid = s->monitor_source->thread_info.requested_latency_valid = FALSE;
1588 /* Called from main thread */
1589 void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
1590 pa_sink_assert_ref(s);
1591 pa_assert(min_latency);
1592 pa_assert(max_latency);
1594 if (PA_SINK_IS_LINKED(s->state)) {
1595 pa_usec_t r[2] = { 0, 0 };
1597 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
1599 *min_latency = r[0];
1600 *max_latency = r[1];
1602 *min_latency = s->thread_info.min_latency;
1603 *max_latency = s->thread_info.max_latency;
1607 /* Called from IO thread */
1608 void pa_sink_update_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
1612 pa_sink_assert_ref(s);
1614 s->thread_info.min_latency = min_latency;
1615 s->thread_info.max_latency = max_latency;
1617 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1618 if (i->update_sink_latency_range)
1619 i->update_sink_latency_range(i);
1621 pa_sink_invalidate_requested_latency(s);
1623 pa_source_update_latency_range(s->monitor_source, min_latency, max_latency);
1626 size_t pa_sink_get_max_rewind(pa_sink *s) {
1628 pa_sink_assert_ref(s);
1630 if (!PA_SINK_IS_LINKED(s->state))
1631 return s->thread_info.max_rewind;
1633 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0);
1638 size_t pa_sink_get_max_request(pa_sink *s) {
1640 pa_sink_assert_ref(s);
1642 if (!PA_SINK_IS_LINKED(s->state))
1643 return s->thread_info.max_request;
1645 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REQUEST, &r, 0, NULL) == 0);