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)
170 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_FIXATE], data) < 0) {
172 pa_namereg_unregister(core, name);
176 s->parent.parent.free = sink_free;
177 s->parent.process_msg = pa_sink_process_msg;
180 s->state = PA_SINK_INIT;
182 s->name = pa_xstrdup(name);
183 s->proplist = pa_proplist_copy(data->proplist);
184 s->driver = pa_xstrdup(data->driver);
185 s->module = data->module;
187 s->sample_spec = data->sample_spec;
188 s->channel_map = data->channel_map;
190 s->inputs = pa_idxset_new(NULL, NULL);
193 s->volume = data->volume;
194 s->base_volume = PA_VOLUME_NORM;
195 s->muted = data->muted;
196 s->refresh_volume = s->refresh_muted = FALSE;
204 pa_silence_memchunk_get(
205 &core->silence_cache,
211 s->thread_info.inputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
212 pa_cvolume_reset(&s->thread_info.soft_volume, s->sample_spec.channels);
213 s->thread_info.soft_muted = FALSE;
214 s->thread_info.state = s->state;
215 s->thread_info.rewind_nbytes = 0;
216 s->thread_info.rewind_requested = FALSE;
217 s->thread_info.max_rewind = 0;
218 s->thread_info.max_request = 0;
219 s->thread_info.requested_latency_valid = FALSE;
220 s->thread_info.requested_latency = 0;
221 s->thread_info.min_latency = DEFAULT_MIN_LATENCY;
222 s->thread_info.max_latency = 0;
224 pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0);
226 pa_log_info("Created sink %u \"%s\" with sample spec %s and channel map %s",
229 pa_sample_spec_snprint(st, sizeof(st), &s->sample_spec),
230 pa_channel_map_snprint(cm, sizeof(cm), &s->channel_map));
232 pa_source_new_data_init(&source_data);
233 pa_source_new_data_set_sample_spec(&source_data, &s->sample_spec);
234 pa_source_new_data_set_channel_map(&source_data, &s->channel_map);
235 source_data.name = pa_sprintf_malloc("%s.monitor", name);
236 source_data.driver = data->driver;
237 source_data.module = data->module;
239 dn = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
240 pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Monitor of %s", dn ? dn : s->name);
241 pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "monitor");
243 s->monitor_source = pa_source_new(core, &source_data, PA_SOURCE_LATENCY);
245 pa_source_new_data_done(&source_data);
247 if (!s->monitor_source) {
253 s->monitor_source->monitor_of = s;
255 pa_source_set_latency_range(s->monitor_source, s->thread_info.min_latency, s->thread_info.max_latency);
256 pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
261 /* Called from main context */
262 static int sink_set_state(pa_sink *s, pa_sink_state_t state) {
264 pa_bool_t suspend_change;
265 pa_sink_state_t original_state;
269 if (s->state == state)
272 original_state = s->state;
275 (original_state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(state)) ||
276 (PA_SINK_IS_OPENED(original_state) && state == PA_SINK_SUSPENDED);
279 if ((ret = s->set_state(s, state)) < 0)
283 if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
286 s->set_state(s, original_state);
293 if (suspend_change) {
297 /* We're suspending or resuming, tell everyone about it */
299 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx)))
301 i->suspend(i, state == PA_SINK_SUSPENDED);
304 if (state != PA_SINK_UNLINKED) /* if we enter UNLINKED state pa_sink_unlink() will fire the apropriate events */
305 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], s);
310 /* Called from main context */
311 void pa_sink_put(pa_sink* s) {
312 pa_sink_assert_ref(s);
314 pa_assert(s->state == PA_SINK_INIT);
316 /* The following fields must be initialized properly when calling _put() */
317 pa_assert(s->asyncmsgq);
318 pa_assert(s->rtpoll);
319 pa_assert(!s->thread_info.min_latency || !s->thread_info.max_latency ||
320 s->thread_info.min_latency <= s->thread_info.max_latency);
322 if (!(s->flags & PA_SINK_HW_VOLUME_CTRL)) {
323 s->flags |= PA_SINK_DECIBEL_VOLUME;
325 s->thread_info.soft_volume = s->volume;
326 s->thread_info.soft_muted = s->muted;
329 pa_assert_se(sink_set_state(s, PA_SINK_IDLE) == 0);
331 pa_source_put(s->monitor_source);
333 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index);
334 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PUT], s);
337 /* Called from main context */
338 void pa_sink_unlink(pa_sink* s) {
340 pa_sink_input *i, *j = NULL;
344 /* Please note that pa_sink_unlink() does more than simply
345 * reversing pa_sink_put(). It also undoes the registrations
346 * already done in pa_sink_new()! */
348 /* All operations here shall be idempotent, i.e. pa_sink_unlink()
349 * may be called multiple times on the same sink without bad
352 linked = PA_SINK_IS_LINKED(s->state);
355 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK], s);
357 if (s->state != PA_SINK_UNLINKED)
358 pa_namereg_unregister(s->core, s->name);
359 pa_idxset_remove_by_data(s->core->sinks, s, NULL);
361 while ((i = pa_idxset_first(s->inputs, NULL))) {
363 pa_sink_input_kill(i);
368 sink_set_state(s, PA_SINK_UNLINKED);
370 s->state = PA_SINK_UNLINKED;
374 if (s->monitor_source)
375 pa_source_unlink(s->monitor_source);
378 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
379 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], s);
383 /* Called from main context */
384 static void sink_free(pa_object *o) {
385 pa_sink *s = PA_SINK(o);
389 pa_assert(pa_sink_refcnt(s) == 0);
391 if (PA_SINK_IS_LINKED(s->state))
394 pa_log_info("Freeing sink %u \"%s\"", s->index, s->name);
396 if (s->monitor_source) {
397 pa_source_unref(s->monitor_source);
398 s->monitor_source = NULL;
401 pa_idxset_free(s->inputs, NULL, NULL);
403 while ((i = pa_hashmap_steal_first(s->thread_info.inputs)))
404 pa_sink_input_unref(i);
406 pa_hashmap_free(s->thread_info.inputs, NULL, NULL);
408 if (s->silence.memblock)
409 pa_memblock_unref(s->silence.memblock);
415 pa_proplist_free(s->proplist);
420 /* Called from main context */
421 void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) {
422 pa_sink_assert_ref(s);
426 if (s->monitor_source)
427 pa_source_set_asyncmsgq(s->monitor_source, q);
430 /* Called from main context */
431 void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) {
432 pa_sink_assert_ref(s);
435 if (s->monitor_source)
436 pa_source_set_rtpoll(s->monitor_source, p);
439 /* Called from main context */
440 int pa_sink_update_status(pa_sink*s) {
441 pa_sink_assert_ref(s);
442 pa_assert(PA_SINK_IS_LINKED(s->state));
444 if (s->state == PA_SINK_SUSPENDED)
447 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
450 /* Called from main context */
451 int pa_sink_suspend(pa_sink *s, pa_bool_t suspend) {
452 pa_sink_assert_ref(s);
453 pa_assert(PA_SINK_IS_LINKED(s->state));
456 return sink_set_state(s, PA_SINK_SUSPENDED);
458 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
461 /* Called from IO thread context */
462 void pa_sink_process_rewind(pa_sink *s, size_t nbytes) {
465 pa_sink_assert_ref(s);
466 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
468 s->thread_info.rewind_nbytes = 0;
469 s->thread_info.rewind_requested = FALSE;
472 pa_log_debug("Processing rewind...");
474 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) {
475 pa_sink_input_assert_ref(i);
476 pa_sink_input_process_rewind(i, nbytes);
480 if (s->monitor_source && PA_SOURCE_IS_OPENED(s->monitor_source->thread_info.state))
481 pa_source_process_rewind(s->monitor_source, nbytes);
484 /* Called from IO thread context */
485 static unsigned fill_mix_info(pa_sink *s, size_t *length, pa_mix_info *info, unsigned maxinfo) {
489 size_t mixlength = *length;
491 pa_sink_assert_ref(s);
494 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)) && maxinfo > 0) {
495 pa_sink_input_assert_ref(i);
497 if (pa_sink_input_peek(i, *length, &info->chunk, &info->volume) < 0)
500 if (mixlength == 0 || info->chunk.length < mixlength)
501 mixlength = info->chunk.length;
503 if (pa_memblock_is_silence(info->chunk.memblock)) {
504 pa_memblock_unref(info->chunk.memblock);
508 info->userdata = pa_sink_input_ref(i);
510 pa_assert(info->chunk.memblock);
511 pa_assert(info->chunk.length > 0);
524 /* Called from IO thread context */
525 static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, pa_memchunk *result) {
529 unsigned n_unreffed = 0;
531 pa_sink_assert_ref(s);
533 pa_assert(result->memblock);
534 pa_assert(result->length > 0);
536 /* We optimize for the case where the order of the inputs has not changed */
538 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) {
540 pa_mix_info* m = NULL;
542 pa_sink_input_assert_ref(i);
544 /* Let's try to find the matching entry info the pa_mix_info array */
545 for (j = 0; j < n; j ++) {
547 if (info[p].userdata == i) {
558 pa_sink_input_drop(i, result->length);
560 if (s->monitor_source && PA_SOURCE_IS_OPENED(pa_source_get_state(s->monitor_source))) {
562 if (pa_hashmap_size(i->thread_info.direct_outputs) > 0) {
567 if (m && m->chunk.memblock) {
569 pa_memblock_ref(c.memblock);
570 pa_assert(result->length <= c.length);
571 c.length = result->length;
573 pa_memchunk_make_writable(&c, 0);
574 pa_volume_memchunk(&c, &s->sample_spec, &m->volume);
577 pa_memblock_ref(c.memblock);
578 pa_assert(result->length <= c.length);
579 c.length = result->length;
582 while ((o = pa_hashmap_iterate(i->thread_info.direct_outputs, &ostate, NULL))) {
583 pa_source_output_assert_ref(o);
584 pa_assert(o->direct_on_input == i);
585 pa_source_post_direct(s->monitor_source, o, &c);
588 pa_memblock_unref(c.memblock);
593 if (m->chunk.memblock)
594 pa_memblock_unref(m->chunk.memblock);
595 pa_memchunk_reset(&m->chunk);
597 pa_sink_input_unref(m->userdata);
604 /* Now drop references to entries that are included in the
605 * pa_mix_info array but don't exist anymore */
607 if (n_unreffed < n) {
608 for (; n > 0; info++, n--) {
610 pa_sink_input_unref(info->userdata);
611 if (info->chunk.memblock)
612 pa_memblock_unref(info->chunk.memblock);
616 if (s->monitor_source && PA_SOURCE_IS_OPENED(pa_source_get_state(s->monitor_source)))
617 pa_source_post(s->monitor_source, result);
620 /* Called from IO thread context */
621 void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
622 pa_mix_info info[MAX_MIX_CHANNELS];
624 size_t block_size_max;
626 pa_sink_assert_ref(s);
627 pa_assert(PA_SINK_IS_OPENED(s->thread_info.state));
628 pa_assert(pa_frame_aligned(length, &s->sample_spec));
633 pa_assert(!s->thread_info.rewind_requested);
634 pa_assert(s->thread_info.rewind_nbytes == 0);
637 length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec);
639 block_size_max = pa_mempool_block_size_max(s->core->mempool);
640 if (length > block_size_max)
641 length = pa_frame_align(block_size_max, &s->sample_spec);
643 pa_assert(length > 0);
645 n = s->thread_info.state == PA_SINK_RUNNING ? fill_mix_info(s, &length, info, MAX_MIX_CHANNELS) : 0;
649 *result = s->silence;
650 pa_memblock_ref(result->memblock);
652 if (result->length > length)
653 result->length = length;
658 *result = info[0].chunk;
659 pa_memblock_ref(result->memblock);
661 if (result->length > length)
662 result->length = length;
664 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
666 if (s->thread_info.soft_muted || !pa_cvolume_is_norm(&volume)) {
667 pa_memchunk_make_writable(result, 0);
668 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume))
669 pa_silence_memchunk(result, &s->sample_spec);
671 pa_volume_memchunk(result, &s->sample_spec, &volume);
675 result->memblock = pa_memblock_new(s->core->mempool, length);
677 ptr = pa_memblock_acquire(result->memblock);
678 result->length = pa_mix(info, n,
681 &s->thread_info.soft_volume,
682 s->thread_info.soft_muted);
683 pa_memblock_release(result->memblock);
688 if (s->thread_info.state == PA_SINK_RUNNING)
689 inputs_drop(s, info, n, result);
694 /* Called from IO thread context */
695 void pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
696 pa_mix_info info[MAX_MIX_CHANNELS];
698 size_t length, block_size_max;
700 pa_sink_assert_ref(s);
701 pa_assert(PA_SINK_IS_OPENED(s->thread_info.state));
703 pa_assert(target->memblock);
704 pa_assert(target->length > 0);
705 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
709 pa_assert(!s->thread_info.rewind_requested);
710 pa_assert(s->thread_info.rewind_nbytes == 0);
712 length = target->length;
713 block_size_max = pa_mempool_block_size_max(s->core->mempool);
714 if (length > block_size_max)
715 length = pa_frame_align(block_size_max, &s->sample_spec);
717 pa_assert(length > 0);
719 n = s->thread_info.state == PA_SINK_RUNNING ? fill_mix_info(s, &length, info, MAX_MIX_CHANNELS) : 0;
722 if (target->length > length)
723 target->length = length;
725 pa_silence_memchunk(target, &s->sample_spec);
729 if (target->length > length)
730 target->length = length;
732 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
734 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume))
735 pa_silence_memchunk(target, &s->sample_spec);
739 vchunk = info[0].chunk;
740 pa_memblock_ref(vchunk.memblock);
742 if (vchunk.length > length)
743 vchunk.length = length;
745 if (!pa_cvolume_is_norm(&volume)) {
746 pa_memchunk_make_writable(&vchunk, 0);
747 pa_volume_memchunk(&vchunk, &s->sample_spec, &volume);
750 pa_memchunk_memcpy(target, &vchunk);
751 pa_memblock_unref(vchunk.memblock);
757 ptr = pa_memblock_acquire(target->memblock);
759 target->length = pa_mix(info, n,
760 (uint8_t*) ptr + target->index, length,
762 &s->thread_info.soft_volume,
763 s->thread_info.soft_muted);
765 pa_memblock_release(target->memblock);
768 if (s->thread_info.state == PA_SINK_RUNNING)
769 inputs_drop(s, info, n, target);
774 /* Called from IO thread context */
775 void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) {
779 pa_sink_assert_ref(s);
780 pa_assert(PA_SINK_IS_OPENED(s->thread_info.state));
782 pa_assert(target->memblock);
783 pa_assert(target->length > 0);
784 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
788 pa_assert(!s->thread_info.rewind_requested);
789 pa_assert(s->thread_info.rewind_nbytes == 0);
798 pa_sink_render_into(s, &chunk);
807 /* Called from IO thread context */
808 void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) {
809 pa_sink_assert_ref(s);
810 pa_assert(PA_SINK_IS_OPENED(s->thread_info.state));
811 pa_assert(length > 0);
812 pa_assert(pa_frame_aligned(length, &s->sample_spec));
815 pa_assert(!s->thread_info.rewind_requested);
816 pa_assert(s->thread_info.rewind_nbytes == 0);
818 /*** This needs optimization ***/
821 result->length = length;
822 result->memblock = pa_memblock_new(s->core->mempool, length);
824 pa_sink_render_into_full(s, result);
827 /* Called from main thread */
828 pa_usec_t pa_sink_get_latency(pa_sink *s) {
831 pa_sink_assert_ref(s);
832 pa_assert(PA_SINK_IS_LINKED(s->state));
834 /* The returned value is supposed to be in the time domain of the sound card! */
836 if (!PA_SINK_IS_OPENED(s->state))
839 if (!(s->flags & PA_SINK_LATENCY))
842 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
847 /* Called from main thread */
848 void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume) {
850 pa_sink_set_volume_data data;
852 pa_sink_assert_ref(s);
853 pa_assert(PA_SINK_IS_LINKED(s->state));
855 pa_assert(pa_cvolume_valid(volume));
856 pa_assert(pa_cvolume_compatible(volume, &s->sample_spec));
859 data.volume = *volume;
861 changed = !pa_cvolume_equal(&data.volume, &s->volume);
864 if (pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_SET_VOLUME], &data) < 0)
867 changed = !pa_cvolume_equal(&data.volume, &s->volume);
870 s->volume = data.volume;
872 if (s->set_volume && s->set_volume(s) < 0)
873 s->set_volume = NULL;
876 pa_sink_set_soft_volume(s, volume);
879 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
882 /* Called from main thread */
883 void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume) {
884 pa_sink_assert_ref(s);
887 if (PA_SINK_IS_LINKED(s->state))
888 pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, volume, 0, NULL);
890 s->thread_info.soft_volume = *volume;
893 /* Called from main thread */
894 const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_bool_t force_refresh) {
895 pa_sink_assert_ref(s);
896 pa_assert(PA_SINK_IS_LINKED(s->state));
898 if (s->refresh_volume || force_refresh) {
899 struct pa_cvolume old_volume = s->volume;
901 if (s->get_volume && s->get_volume(s) < 0)
902 s->get_volume = NULL;
905 pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, &s->volume, 0, NULL);
907 if (!pa_cvolume_equal(&old_volume, &s->volume))
908 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
914 /* Called from main thread */
915 void pa_sink_set_mute(pa_sink *s, pa_bool_t mute) {
918 pa_sink_assert_ref(s);
919 pa_assert(PA_SINK_IS_LINKED(s->state));
921 changed = s->muted != mute;
924 if (s->set_mute && s->set_mute(s) < 0)
928 pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, PA_UINT_TO_PTR(mute), 0, NULL, NULL);
931 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
934 /* Called from main thread */
935 pa_bool_t pa_sink_get_mute(pa_sink *s, pa_bool_t force_refresh) {
937 pa_sink_assert_ref(s);
938 pa_assert(PA_SINK_IS_LINKED(s->state));
940 if (s->refresh_muted || force_refresh) {
941 pa_bool_t old_muted = s->muted;
943 if (s->get_mute && s->get_mute(s) < 0)
947 pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, &s->muted, 0, NULL);
949 if (old_muted != s->muted)
950 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
956 pa_bool_t pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p) {
958 pa_sink_assert_ref(s);
960 pa_proplist_update(s->proplist, mode, p);
962 if (PA_SINK_IS_LINKED(s->state)) {
963 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
964 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
970 /* Called from main thread */
971 void pa_sink_set_description(pa_sink *s, const char *description) {
973 pa_sink_assert_ref(s);
975 if (!description && !pa_proplist_contains(s->proplist, PA_PROP_DEVICE_DESCRIPTION))
978 old = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
980 if (old && description && !strcmp(old, description))
984 pa_proplist_sets(s->proplist, PA_PROP_DEVICE_DESCRIPTION, description);
986 pa_proplist_unset(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
988 if (s->monitor_source) {
991 n = pa_sprintf_malloc("Monitor Source of %s", description ? description : s->name);
992 pa_source_set_description(s->monitor_source, n);
996 if (PA_SINK_IS_LINKED(s->state)) {
997 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
998 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
1002 /* Called from main thread */
1003 unsigned pa_sink_linked_by(pa_sink *s) {
1006 pa_sink_assert_ref(s);
1007 pa_assert(PA_SINK_IS_LINKED(s->state));
1009 ret = pa_idxset_size(s->inputs);
1011 /* We add in the number of streams connected to us here. Please
1012 * note the asymmmetry to pa_sink_used_by()! */
1014 if (s->monitor_source)
1015 ret += pa_source_linked_by(s->monitor_source);
1020 /* Called from main thread */
1021 unsigned pa_sink_used_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);
1028 pa_assert(ret >= s->n_corked);
1030 /* Streams connected to our monitor source do not matter for
1031 * pa_sink_used_by()!.*/
1033 return ret - s->n_corked;
1036 /* Called from main thread */
1037 unsigned pa_sink_check_suspend(pa_sink *s) {
1042 pa_sink_assert_ref(s);
1044 if (!PA_SINK_IS_LINKED(s->state))
1049 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
1050 pa_sink_input_state_t st;
1052 st = pa_sink_input_get_state(i);
1053 pa_assert(PA_SINK_INPUT_IS_LINKED(st));
1055 if (st == PA_SINK_INPUT_CORKED)
1058 if (i->flags & PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND)
1064 if (s->monitor_source)
1065 ret += pa_source_check_suspend(s->monitor_source);
1070 /* Called from IO thread, except when it is not */
1071 int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
1072 pa_sink *s = PA_SINK(o);
1073 pa_sink_assert_ref(s);
1075 switch ((pa_sink_message_t) code) {
1077 case PA_SINK_MESSAGE_ADD_INPUT: {
1078 pa_sink_input *i = PA_SINK_INPUT(userdata);
1080 /* If you change anything here, make sure to change the
1081 * sink input handling a few lines down at
1082 * PA_SINK_MESSAGE_FINISH_MOVE, too. */
1084 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
1086 /* Since the caller sleeps in pa_sink_input_put(), we can
1087 * safely access data outside of thread_info even though
1090 if ((i->thread_info.sync_prev = i->sync_prev)) {
1091 pa_assert(i->sink == i->thread_info.sync_prev->sink);
1092 pa_assert(i->sync_prev->sync_next == i);
1093 i->thread_info.sync_prev->thread_info.sync_next = i;
1096 if ((i->thread_info.sync_next = i->sync_next)) {
1097 pa_assert(i->sink == i->thread_info.sync_next->sink);
1098 pa_assert(i->sync_next->sync_prev == i);
1099 i->thread_info.sync_next->thread_info.sync_prev = i;
1102 pa_assert(!i->thread_info.attached);
1103 i->thread_info.attached = TRUE;
1108 pa_sink_input_set_state_within_thread(i, i->state);
1110 /* The requested latency of the sink input needs to be
1111 * fixed up and then configured on the sink */
1113 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
1114 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
1116 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
1117 pa_sink_input_update_max_request(i, s->thread_info.max_request);
1119 /* We don't rewind here automatically. This is left to the
1120 * sink input implementor because some sink inputs need a
1121 * slow start, i.e. need some time to buffer client
1122 * samples before beginning streaming. */
1127 case PA_SINK_MESSAGE_REMOVE_INPUT: {
1128 pa_sink_input *i = PA_SINK_INPUT(userdata);
1130 /* If you change anything here, make sure to change the
1131 * sink input handling a few lines down at
1132 * PA_SINK_MESSAGE_PREPAPRE_MOVE, too. */
1137 pa_sink_input_set_state_within_thread(i, i->state);
1139 pa_assert(i->thread_info.attached);
1140 i->thread_info.attached = FALSE;
1142 /* Since the caller sleeps in pa_sink_input_unlink(),
1143 * we can safely access data outside of thread_info even
1144 * though it is mutable */
1146 pa_assert(!i->sync_prev);
1147 pa_assert(!i->sync_next);
1149 if (i->thread_info.sync_prev) {
1150 i->thread_info.sync_prev->thread_info.sync_next = i->thread_info.sync_prev->sync_next;
1151 i->thread_info.sync_prev = NULL;
1154 if (i->thread_info.sync_next) {
1155 i->thread_info.sync_next->thread_info.sync_prev = i->thread_info.sync_next->sync_prev;
1156 i->thread_info.sync_next = NULL;
1159 if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
1160 pa_sink_input_unref(i);
1162 pa_sink_invalidate_requested_latency(s);
1163 pa_sink_request_rewind(s, (size_t) -1);
1168 case PA_SINK_MESSAGE_START_MOVE: {
1169 pa_sink_input *i = PA_SINK_INPUT(userdata);
1171 /* We don't support moving synchronized streams. */
1172 pa_assert(!i->sync_prev);
1173 pa_assert(!i->sync_next);
1174 pa_assert(!i->thread_info.sync_next);
1175 pa_assert(!i->thread_info.sync_prev);
1177 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
1179 size_t sink_nbytes, total_nbytes;
1181 /* Get the latency of the sink */
1182 if (!(s->flags & PA_SINK_LATENCY) ||
1183 PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
1186 sink_nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
1187 total_nbytes = sink_nbytes + pa_memblockq_get_length(i->thread_info.render_memblockq);
1189 if (total_nbytes > 0) {
1190 i->thread_info.rewrite_nbytes = i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, total_nbytes) : total_nbytes;
1191 i->thread_info.rewrite_flush = TRUE;
1192 pa_sink_input_process_rewind(i, sink_nbytes);
1199 pa_assert(i->thread_info.attached);
1200 i->thread_info.attached = FALSE;
1202 /* Let's remove the sink input ...*/
1203 if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
1204 pa_sink_input_unref(i);
1206 pa_sink_invalidate_requested_latency(s);
1208 pa_log_debug("Requesting rewind due to started move");
1209 pa_sink_request_rewind(s, (size_t) -1);
1214 case PA_SINK_MESSAGE_FINISH_MOVE: {
1215 pa_sink_input *i = PA_SINK_INPUT(userdata);
1217 /* We don't support moving synchronized streams. */
1218 pa_assert(!i->sync_prev);
1219 pa_assert(!i->sync_next);
1220 pa_assert(!i->thread_info.sync_next);
1221 pa_assert(!i->thread_info.sync_prev);
1223 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
1225 pa_assert(!i->thread_info.attached);
1226 i->thread_info.attached = TRUE;
1231 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
1232 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
1234 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
1235 pa_sink_input_update_max_request(i, s->thread_info.max_request);
1237 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
1241 /* Get the latency of the sink */
1242 if (!(s->flags & PA_SINK_LATENCY) ||
1243 PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
1246 nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
1249 pa_sink_input_drop(i, nbytes);
1251 pa_log_debug("Requesting rewind due to finished move");
1252 pa_sink_request_rewind(s, nbytes);
1258 case PA_SINK_MESSAGE_SET_VOLUME:
1259 s->thread_info.soft_volume = *((pa_cvolume*) userdata);
1261 pa_sink_request_rewind(s, (size_t) -1);
1264 case PA_SINK_MESSAGE_SET_MUTE:
1265 s->thread_info.soft_muted = PA_PTR_TO_UINT(userdata);
1267 pa_sink_request_rewind(s, (size_t) -1);
1270 case PA_SINK_MESSAGE_GET_VOLUME:
1271 *((pa_cvolume*) userdata) = s->thread_info.soft_volume;
1274 case PA_SINK_MESSAGE_GET_MUTE:
1275 *((pa_bool_t*) userdata) = s->thread_info.soft_muted;
1278 case PA_SINK_MESSAGE_SET_STATE:
1280 s->thread_info.state = PA_PTR_TO_UINT(userdata);
1283 case PA_SINK_MESSAGE_DETACH:
1285 /* Detach all streams */
1286 pa_sink_detach_within_thread(s);
1289 case PA_SINK_MESSAGE_ATTACH:
1291 /* Reattach all streams */
1292 pa_sink_attach_within_thread(s);
1295 case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY: {
1297 pa_usec_t *usec = userdata;
1298 *usec = pa_sink_get_requested_latency_within_thread(s);
1300 if (*usec == (pa_usec_t) -1)
1301 *usec = s->thread_info.max_latency;
1306 case PA_SINK_MESSAGE_SET_LATENCY_RANGE: {
1307 pa_usec_t *r = userdata;
1309 pa_sink_update_latency_range(s, r[0], r[1]);
1314 case PA_SINK_MESSAGE_GET_LATENCY_RANGE: {
1315 pa_usec_t *r = userdata;
1317 r[0] = s->thread_info.min_latency;
1318 r[1] = s->thread_info.max_latency;
1323 case PA_SINK_MESSAGE_GET_MAX_REWIND:
1325 *((size_t*) userdata) = s->thread_info.max_rewind;
1328 case PA_SINK_MESSAGE_GET_MAX_REQUEST:
1330 *((size_t*) userdata) = s->thread_info.max_request;
1333 case PA_SINK_MESSAGE_GET_LATENCY:
1334 case PA_SINK_MESSAGE_MAX:
1341 /* Called from main thread */
1342 int pa_sink_suspend_all(pa_core *c, pa_bool_t suspend) {
1347 pa_core_assert_ref(c);
1349 for (sink = PA_SINK(pa_idxset_first(c->sinks, &idx)); sink; sink = PA_SINK(pa_idxset_next(c->sinks, &idx)))
1350 ret -= pa_sink_suspend(sink, suspend) < 0;
1355 /* Called from main thread */
1356 void pa_sink_detach(pa_sink *s) {
1357 pa_sink_assert_ref(s);
1358 pa_assert(PA_SINK_IS_LINKED(s->state));
1360 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_DETACH, NULL, 0, NULL) == 0);
1363 /* Called from main thread */
1364 void pa_sink_attach(pa_sink *s) {
1365 pa_sink_assert_ref(s);
1366 pa_assert(PA_SINK_IS_LINKED(s->state));
1368 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_ATTACH, NULL, 0, NULL) == 0);
1371 /* Called from IO thread */
1372 void pa_sink_detach_within_thread(pa_sink *s) {
1376 pa_sink_assert_ref(s);
1377 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1379 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1383 if (s->monitor_source)
1384 pa_source_detach_within_thread(s->monitor_source);
1387 /* Called from IO thread */
1388 void pa_sink_attach_within_thread(pa_sink *s) {
1392 pa_sink_assert_ref(s);
1393 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1395 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1399 if (s->monitor_source)
1400 pa_source_attach_within_thread(s->monitor_source);
1403 /* Called from IO thread */
1404 void pa_sink_request_rewind(pa_sink*s, size_t nbytes) {
1405 pa_sink_assert_ref(s);
1406 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1408 if (nbytes == (size_t) -1)
1409 nbytes = s->thread_info.max_rewind;
1411 nbytes = PA_MIN(nbytes, s->thread_info.max_rewind);
1413 if (s->thread_info.rewind_requested &&
1414 nbytes <= s->thread_info.rewind_nbytes)
1417 s->thread_info.rewind_nbytes = nbytes;
1418 s->thread_info.rewind_requested = TRUE;
1420 if (s->request_rewind)
1421 s->request_rewind(s);
1424 /* Called from IO thread */
1425 pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) {
1426 pa_usec_t result = (pa_usec_t) -1;
1429 pa_usec_t monitor_latency;
1431 pa_sink_assert_ref(s);
1433 if (s->thread_info.requested_latency_valid)
1434 return s->thread_info.requested_latency;
1436 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1438 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1 &&
1439 (result == (pa_usec_t) -1 || result > i->thread_info.requested_sink_latency))
1440 result = i->thread_info.requested_sink_latency;
1442 monitor_latency = pa_source_get_requested_latency_within_thread(s->monitor_source);
1444 if (monitor_latency != (pa_usec_t) -1 &&
1445 (result == (pa_usec_t) -1 || result > monitor_latency))
1446 result = monitor_latency;
1448 if (result != (pa_usec_t) -1) {
1449 if (s->thread_info.max_latency > 0 && result > s->thread_info.max_latency)
1450 result = s->thread_info.max_latency;
1452 if (s->thread_info.min_latency > 0 && result < s->thread_info.min_latency)
1453 result = s->thread_info.min_latency;
1456 s->thread_info.requested_latency = result;
1457 s->thread_info.requested_latency_valid = TRUE;
1462 /* Called from main thread */
1463 pa_usec_t pa_sink_get_requested_latency(pa_sink *s) {
1466 pa_sink_assert_ref(s);
1467 pa_assert(PA_SINK_IS_LINKED(s->state));
1469 if (!PA_SINK_IS_OPENED(s->state))
1472 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
1476 /* Called from IO thread */
1477 void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind) {
1481 pa_sink_assert_ref(s);
1483 if (max_rewind == s->thread_info.max_rewind)
1486 s->thread_info.max_rewind = max_rewind;
1488 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
1489 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1490 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
1493 if (s->monitor_source)
1494 pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
1497 /* Called from IO thread */
1498 void pa_sink_set_max_request(pa_sink *s, size_t max_request) {
1501 pa_sink_assert_ref(s);
1503 if (max_request == s->thread_info.max_request)
1506 s->thread_info.max_request = max_request;
1508 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
1511 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1512 pa_sink_input_update_max_request(i, s->thread_info.max_request);
1516 /* Called from IO thread */
1517 void pa_sink_invalidate_requested_latency(pa_sink *s) {
1521 pa_sink_assert_ref(s);
1523 s->thread_info.requested_latency_valid = FALSE;
1525 if (s->update_requested_latency)
1526 s->update_requested_latency(s);
1528 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1529 if (i->update_sink_requested_latency)
1530 i->update_sink_requested_latency(i);
1533 /* Called from main thread */
1534 void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
1535 pa_sink_assert_ref(s);
1537 /* min_latency == 0: no limit
1538 * min_latency == (size_t) -1: default limit
1539 * min_latency anything else: specified limit
1541 * Similar for max_latency */
1543 if (min_latency == (pa_usec_t) -1)
1544 min_latency = DEFAULT_MIN_LATENCY;
1546 if (max_latency == (pa_usec_t) -1)
1547 max_latency = min_latency;
1549 pa_assert(!min_latency || !max_latency ||
1550 min_latency <= max_latency);
1552 if (PA_SINK_IS_LINKED(s->state)) {
1558 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0);
1560 s->thread_info.min_latency = min_latency;
1561 s->thread_info.max_latency = max_latency;
1563 s->monitor_source->thread_info.min_latency = min_latency;
1564 s->monitor_source->thread_info.max_latency = max_latency;
1566 s->thread_info.requested_latency_valid = s->monitor_source->thread_info.requested_latency_valid = FALSE;
1570 /* Called from main thread */
1571 void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
1572 pa_sink_assert_ref(s);
1573 pa_assert(min_latency);
1574 pa_assert(max_latency);
1576 if (PA_SINK_IS_LINKED(s->state)) {
1577 pa_usec_t r[2] = { 0, 0 };
1579 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
1581 *min_latency = r[0];
1582 *max_latency = r[1];
1584 *min_latency = s->thread_info.min_latency;
1585 *max_latency = s->thread_info.max_latency;
1589 /* Called from IO thread */
1590 void pa_sink_update_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
1594 pa_sink_assert_ref(s);
1596 s->thread_info.min_latency = min_latency;
1597 s->thread_info.max_latency = max_latency;
1599 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1600 if (i->update_sink_latency_range)
1601 i->update_sink_latency_range(i);
1603 pa_sink_invalidate_requested_latency(s);
1605 pa_source_update_latency_range(s->monitor_source, min_latency, max_latency);
1608 size_t pa_sink_get_max_rewind(pa_sink *s) {
1610 pa_sink_assert_ref(s);
1612 if (!PA_SINK_IS_LINKED(s->state))
1613 return s->thread_info.max_rewind;
1615 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0);
1620 size_t pa_sink_get_max_request(pa_sink *s) {
1622 pa_sink_assert_ref(s);
1624 if (!PA_SINK_IS_LINKED(s->state))
1625 return s->thread_info.max_request;
1627 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REQUEST, &r, 0, NULL) == 0);