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>
35 #include <pulse/util.h>
37 #include <pulsecore/sink-input.h>
38 #include <pulsecore/namereg.h>
39 #include <pulsecore/core-util.h>
40 #include <pulsecore/sample-util.h>
41 #include <pulsecore/core-subscribe.h>
42 #include <pulsecore/log.h>
43 #include <pulsecore/macro.h>
44 #include <pulsecore/play-memblockq.h>
48 #define MAX_MIX_CHANNELS 32
49 #define MIX_BUFFER_LENGTH (PA_PAGE_SIZE)
50 #define DEFAULT_MIN_LATENCY (4*PA_USEC_PER_MSEC)
52 static PA_DEFINE_CHECK_TYPE(pa_sink, pa_msgobject);
54 static void sink_free(pa_object *s);
56 pa_sink_new_data* pa_sink_new_data_init(pa_sink_new_data *data) {
59 memset(data, 0, sizeof(*data));
60 data->proplist = pa_proplist_new();
65 void pa_sink_new_data_set_name(pa_sink_new_data *data, const char *name) {
69 data->name = pa_xstrdup(name);
72 void pa_sink_new_data_set_sample_spec(pa_sink_new_data *data, const pa_sample_spec *spec) {
75 if ((data->sample_spec_is_set = !!spec))
76 data->sample_spec = *spec;
79 void pa_sink_new_data_set_channel_map(pa_sink_new_data *data, const pa_channel_map *map) {
82 if ((data->channel_map_is_set = !!map))
83 data->channel_map = *map;
86 void pa_sink_new_data_set_volume(pa_sink_new_data *data, const pa_cvolume *volume) {
89 if ((data->volume_is_set = !!volume))
90 data->volume = *volume;
93 void pa_sink_new_data_set_muted(pa_sink_new_data *data, pa_bool_t mute) {
96 data->muted_is_set = TRUE;
100 void pa_sink_new_data_done(pa_sink_new_data *data) {
103 pa_xfree(data->name);
104 pa_proplist_free(data->proplist);
107 /* Called from main context */
108 static void reset_callbacks(pa_sink *s) {
112 s->get_volume = NULL;
113 s->set_volume = NULL;
116 s->request_rewind = NULL;
117 s->update_requested_latency = NULL;
120 /* Called from main context */
121 pa_sink* pa_sink_new(
123 pa_sink_new_data *data,
124 pa_sink_flags_t flags) {
128 char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
129 pa_source_new_data source_data;
135 pa_assert(data->name);
137 s = pa_msgobject_new(pa_sink);
139 if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SINK, s, data->namereg_fail))) {
144 pa_sink_new_data_set_name(data, name);
146 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_NEW], data) < 0) {
148 pa_namereg_unregister(core, name);
152 pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver));
153 pa_return_null_if_fail(data->name && pa_utf8_valid(data->name) && data->name[0]);
155 pa_return_null_if_fail(data->sample_spec_is_set && pa_sample_spec_valid(&data->sample_spec));
157 if (!data->channel_map_is_set)
158 pa_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT));
160 pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map));
161 pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels);
163 if (!data->volume_is_set)
164 pa_cvolume_reset(&data->volume, data->sample_spec.channels);
166 pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
167 pa_return_null_if_fail(data->volume.channels == data->sample_spec.channels);
169 if (!data->muted_is_set)
173 pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->card->proplist);
175 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_FIXATE], data) < 0) {
177 pa_namereg_unregister(core, name);
181 s->parent.parent.free = sink_free;
182 s->parent.process_msg = pa_sink_process_msg;
185 s->state = PA_SINK_INIT;
187 s->name = pa_xstrdup(name);
188 s->proplist = pa_proplist_copy(data->proplist);
189 s->driver = pa_xstrdup(pa_path_get_filename(data->driver));
190 s->module = data->module;
191 s->card = data->card;
193 s->sample_spec = data->sample_spec;
194 s->channel_map = data->channel_map;
196 s->inputs = pa_idxset_new(NULL, NULL);
199 s->virtual_volume = data->volume;
200 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
201 s->base_volume = PA_VOLUME_NORM;
202 s->n_volume_steps = PA_VOLUME_NORM+1;
203 s->muted = data->muted;
204 s->refresh_volume = s->refresh_muted = FALSE;
212 pa_silence_memchunk_get(
213 &core->silence_cache,
219 s->thread_info.inputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
220 s->thread_info.soft_volume = s->soft_volume;
221 s->thread_info.soft_muted = s->muted;
222 s->thread_info.state = s->state;
223 s->thread_info.rewind_nbytes = 0;
224 s->thread_info.rewind_requested = FALSE;
225 s->thread_info.max_rewind = 0;
226 s->thread_info.max_request = 0;
227 s->thread_info.requested_latency_valid = FALSE;
228 s->thread_info.requested_latency = 0;
229 s->thread_info.min_latency = DEFAULT_MIN_LATENCY;
230 s->thread_info.max_latency = 0;
232 pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0);
235 pa_assert_se(pa_idxset_put(s->card->sinks, s, NULL) >= 0);
237 pt = pa_proplist_to_string_sep(s->proplist, "\n ");
238 pa_log_info("Created sink %u \"%s\" with sample spec %s and channel map %s\n %s",
241 pa_sample_spec_snprint(st, sizeof(st), &s->sample_spec),
242 pa_channel_map_snprint(cm, sizeof(cm), &s->channel_map),
246 pa_source_new_data_init(&source_data);
247 pa_source_new_data_set_sample_spec(&source_data, &s->sample_spec);
248 pa_source_new_data_set_channel_map(&source_data, &s->channel_map);
249 source_data.name = pa_sprintf_malloc("%s.monitor", name);
250 source_data.driver = data->driver;
251 source_data.module = data->module;
252 source_data.card = data->card;
254 dn = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
255 pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Monitor of %s", dn ? dn : s->name);
256 pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "monitor");
258 s->monitor_source = pa_source_new(core, &source_data, PA_SOURCE_LATENCY);
260 pa_source_new_data_done(&source_data);
262 if (!s->monitor_source) {
268 s->monitor_source->monitor_of = s;
270 pa_source_set_latency_range(s->monitor_source, s->thread_info.min_latency, s->thread_info.max_latency);
271 pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
276 /* Called from main context */
277 static int sink_set_state(pa_sink *s, pa_sink_state_t state) {
279 pa_bool_t suspend_change;
280 pa_sink_state_t original_state;
284 if (s->state == state)
287 original_state = s->state;
290 (original_state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(state)) ||
291 (PA_SINK_IS_OPENED(original_state) && state == PA_SINK_SUSPENDED);
294 if ((ret = s->set_state(s, state)) < 0)
298 if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
301 s->set_state(s, original_state);
308 if (state != PA_SINK_UNLINKED) { /* if we enter UNLINKED state pa_sink_unlink() will fire the apropriate events */
309 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], s);
310 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
313 if (suspend_change) {
317 /* We're suspending or resuming, tell everyone about it */
319 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx)))
320 if (s->state == PA_SINK_SUSPENDED &&
321 (i->flags & PA_SINK_INPUT_FAIL_ON_SUSPEND))
322 pa_sink_input_kill(i);
324 i->suspend(i, state == PA_SINK_SUSPENDED);
330 /* Called from main context */
331 void pa_sink_put(pa_sink* s) {
332 pa_sink_assert_ref(s);
334 pa_assert(s->state == PA_SINK_INIT);
336 /* The following fields must be initialized properly when calling _put() */
337 pa_assert(s->asyncmsgq);
338 pa_assert(s->rtpoll);
339 pa_assert(!s->thread_info.min_latency || !s->thread_info.max_latency ||
340 s->thread_info.min_latency <= s->thread_info.max_latency);
342 if (!(s->flags & PA_SINK_HW_VOLUME_CTRL)) {
343 s->flags |= PA_SINK_DECIBEL_VOLUME;
345 s->thread_info.soft_volume = s->soft_volume;
346 s->thread_info.soft_muted = s->muted;
349 if (s->flags & PA_SINK_DECIBEL_VOLUME)
350 s->n_volume_steps = PA_VOLUME_NORM+1;
352 if (s->core->flat_volumes)
353 if (s->flags & PA_SINK_DECIBEL_VOLUME)
354 s->flags |= PA_SINK_FLAT_VOLUME;
356 pa_assert_se(sink_set_state(s, PA_SINK_IDLE) == 0);
358 pa_source_put(s->monitor_source);
360 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index);
361 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PUT], s);
364 /* Called from main context */
365 void pa_sink_unlink(pa_sink* s) {
367 pa_sink_input *i, *j = NULL;
371 /* Please note that pa_sink_unlink() does more than simply
372 * reversing pa_sink_put(). It also undoes the registrations
373 * already done in pa_sink_new()! */
375 /* All operations here shall be idempotent, i.e. pa_sink_unlink()
376 * may be called multiple times on the same sink without bad
379 linked = PA_SINK_IS_LINKED(s->state);
382 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK], s);
384 if (s->state != PA_SINK_UNLINKED)
385 pa_namereg_unregister(s->core, s->name);
386 pa_idxset_remove_by_data(s->core->sinks, s, NULL);
389 pa_idxset_remove_by_data(s->card->sinks, s, NULL);
391 while ((i = pa_idxset_first(s->inputs, NULL))) {
393 pa_sink_input_kill(i);
398 sink_set_state(s, PA_SINK_UNLINKED);
400 s->state = PA_SINK_UNLINKED;
404 if (s->monitor_source)
405 pa_source_unlink(s->monitor_source);
408 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
409 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], s);
413 /* Called from main context */
414 static void sink_free(pa_object *o) {
415 pa_sink *s = PA_SINK(o);
419 pa_assert(pa_sink_refcnt(s) == 0);
421 if (PA_SINK_IS_LINKED(s->state))
424 pa_log_info("Freeing sink %u \"%s\"", s->index, s->name);
426 if (s->monitor_source) {
427 pa_source_unref(s->monitor_source);
428 s->monitor_source = NULL;
431 pa_idxset_free(s->inputs, NULL, NULL);
433 while ((i = pa_hashmap_steal_first(s->thread_info.inputs)))
434 pa_sink_input_unref(i);
436 pa_hashmap_free(s->thread_info.inputs, NULL, NULL);
438 if (s->silence.memblock)
439 pa_memblock_unref(s->silence.memblock);
445 pa_proplist_free(s->proplist);
450 /* Called from main context */
451 void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) {
452 pa_sink_assert_ref(s);
456 if (s->monitor_source)
457 pa_source_set_asyncmsgq(s->monitor_source, q);
460 /* Called from main context */
461 void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) {
462 pa_sink_assert_ref(s);
465 if (s->monitor_source)
466 pa_source_set_rtpoll(s->monitor_source, p);
469 /* Called from main context */
470 int pa_sink_update_status(pa_sink*s) {
471 pa_sink_assert_ref(s);
472 pa_assert(PA_SINK_IS_LINKED(s->state));
474 if (s->state == PA_SINK_SUSPENDED)
477 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
480 /* Called from main context */
481 int pa_sink_suspend(pa_sink *s, pa_bool_t suspend) {
482 pa_sink_assert_ref(s);
483 pa_assert(PA_SINK_IS_LINKED(s->state));
486 return sink_set_state(s, PA_SINK_SUSPENDED);
488 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
491 /* Called from main context */
492 pa_queue *pa_sink_move_all_start(pa_sink *s) {
494 pa_sink_input *i, *n;
497 pa_sink_assert_ref(s);
498 pa_assert(PA_SINK_IS_LINKED(s->state));
502 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = n) {
503 n = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx));
505 if (pa_sink_input_start_move(i) >= 0)
506 pa_queue_push(q, pa_sink_input_ref(i));
512 /* Called from main context */
513 void pa_sink_move_all_finish(pa_sink *s, pa_queue *q, pa_bool_t save) {
516 pa_sink_assert_ref(s);
517 pa_assert(PA_SINK_IS_LINKED(s->state));
520 while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
521 if (pa_sink_input_finish_move(i, s, save) < 0)
522 pa_sink_input_kill(i);
524 pa_sink_input_unref(i);
527 pa_queue_free(q, NULL, NULL);
530 /* Called from main context */
531 void pa_sink_move_all_fail(pa_queue *q) {
535 while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
536 if (pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_FAIL], i) == PA_HOOK_OK) {
537 pa_sink_input_kill(i);
538 pa_sink_input_unref(i);
542 pa_queue_free(q, NULL, NULL);
545 /* Called from IO thread context */
546 void pa_sink_process_rewind(pa_sink *s, size_t nbytes) {
549 pa_sink_assert_ref(s);
550 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
552 /* If nobody requested this and this is actually no real rewind
553 * then we can short cut this */
554 if (!s->thread_info.rewind_requested && nbytes <= 0)
557 s->thread_info.rewind_nbytes = 0;
558 s->thread_info.rewind_requested = FALSE;
560 if (s->thread_info.state == PA_SINK_SUSPENDED)
564 pa_log_debug("Processing rewind...");
566 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) {
567 pa_sink_input_assert_ref(i);
568 pa_sink_input_process_rewind(i, nbytes);
572 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
573 pa_source_process_rewind(s->monitor_source, nbytes);
576 /* Called from IO thread context */
577 static unsigned fill_mix_info(pa_sink *s, size_t *length, pa_mix_info *info, unsigned maxinfo) {
581 size_t mixlength = *length;
583 pa_sink_assert_ref(s);
586 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)) && maxinfo > 0) {
587 pa_sink_input_assert_ref(i);
589 pa_sink_input_peek(i, *length, &info->chunk, &info->volume);
591 if (mixlength == 0 || info->chunk.length < mixlength)
592 mixlength = info->chunk.length;
594 if (pa_memblock_is_silence(info->chunk.memblock)) {
595 pa_memblock_unref(info->chunk.memblock);
599 info->userdata = pa_sink_input_ref(i);
601 pa_assert(info->chunk.memblock);
602 pa_assert(info->chunk.length > 0);
615 /* Called from IO thread context */
616 static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, pa_memchunk *result) {
620 unsigned n_unreffed = 0;
622 pa_sink_assert_ref(s);
624 pa_assert(result->memblock);
625 pa_assert(result->length > 0);
627 /* We optimize for the case where the order of the inputs has not changed */
629 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) {
631 pa_mix_info* m = NULL;
633 pa_sink_input_assert_ref(i);
635 /* Let's try to find the matching entry info the pa_mix_info array */
636 for (j = 0; j < n; j ++) {
638 if (info[p].userdata == i) {
649 pa_sink_input_drop(i, result->length);
651 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state)) {
653 if (pa_hashmap_size(i->thread_info.direct_outputs) > 0) {
658 if (m && m->chunk.memblock) {
660 pa_memblock_ref(c.memblock);
661 pa_assert(result->length <= c.length);
662 c.length = result->length;
664 pa_memchunk_make_writable(&c, 0);
665 pa_volume_memchunk(&c, &s->sample_spec, &m->volume);
668 pa_memblock_ref(c.memblock);
669 pa_assert(result->length <= c.length);
670 c.length = result->length;
673 while ((o = pa_hashmap_iterate(i->thread_info.direct_outputs, &ostate, NULL))) {
674 pa_source_output_assert_ref(o);
675 pa_assert(o->direct_on_input == i);
676 pa_source_post_direct(s->monitor_source, o, &c);
679 pa_memblock_unref(c.memblock);
684 if (m->chunk.memblock)
685 pa_memblock_unref(m->chunk.memblock);
686 pa_memchunk_reset(&m->chunk);
688 pa_sink_input_unref(m->userdata);
695 /* Now drop references to entries that are included in the
696 * pa_mix_info array but don't exist anymore */
698 if (n_unreffed < n) {
699 for (; n > 0; info++, n--) {
701 pa_sink_input_unref(info->userdata);
702 if (info->chunk.memblock)
703 pa_memblock_unref(info->chunk.memblock);
707 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
708 pa_source_post(s->monitor_source, result);
711 /* Called from IO thread context */
712 void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
713 pa_mix_info info[MAX_MIX_CHANNELS];
715 size_t block_size_max;
717 pa_sink_assert_ref(s);
718 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
719 pa_assert(pa_frame_aligned(length, &s->sample_spec));
724 pa_assert(!s->thread_info.rewind_requested);
725 pa_assert(s->thread_info.rewind_nbytes == 0);
727 if (s->thread_info.state == PA_SINK_SUSPENDED) {
728 result->memblock = pa_memblock_ref(s->silence.memblock);
729 result->index = s->silence.index;
730 result->length = PA_MIN(s->silence.length, length);
735 length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec);
737 block_size_max = pa_mempool_block_size_max(s->core->mempool);
738 if (length > block_size_max)
739 length = pa_frame_align(block_size_max, &s->sample_spec);
741 pa_assert(length > 0);
743 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
747 *result = s->silence;
748 pa_memblock_ref(result->memblock);
750 if (result->length > length)
751 result->length = length;
756 *result = info[0].chunk;
757 pa_memblock_ref(result->memblock);
759 if (result->length > length)
760 result->length = length;
762 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
764 if (s->thread_info.soft_muted || !pa_cvolume_is_norm(&volume)) {
765 pa_memchunk_make_writable(result, 0);
766 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume))
767 pa_silence_memchunk(result, &s->sample_spec);
769 pa_volume_memchunk(result, &s->sample_spec, &volume);
773 result->memblock = pa_memblock_new(s->core->mempool, length);
775 ptr = pa_memblock_acquire(result->memblock);
776 result->length = pa_mix(info, n,
779 &s->thread_info.soft_volume,
780 s->thread_info.soft_muted);
781 pa_memblock_release(result->memblock);
786 inputs_drop(s, info, n, result);
791 /* Called from IO thread context */
792 void pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
793 pa_mix_info info[MAX_MIX_CHANNELS];
795 size_t length, block_size_max;
797 pa_sink_assert_ref(s);
798 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
800 pa_assert(target->memblock);
801 pa_assert(target->length > 0);
802 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
806 pa_assert(!s->thread_info.rewind_requested);
807 pa_assert(s->thread_info.rewind_nbytes == 0);
809 if (s->thread_info.state == PA_SINK_SUSPENDED) {
810 pa_silence_memchunk(target, &s->sample_spec);
814 length = target->length;
815 block_size_max = pa_mempool_block_size_max(s->core->mempool);
816 if (length > block_size_max)
817 length = pa_frame_align(block_size_max, &s->sample_spec);
819 pa_assert(length > 0);
821 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
824 if (target->length > length)
825 target->length = length;
827 pa_silence_memchunk(target, &s->sample_spec);
831 if (target->length > length)
832 target->length = length;
834 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
836 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume))
837 pa_silence_memchunk(target, &s->sample_spec);
841 vchunk = info[0].chunk;
842 pa_memblock_ref(vchunk.memblock);
844 if (vchunk.length > length)
845 vchunk.length = length;
847 if (!pa_cvolume_is_norm(&volume)) {
848 pa_memchunk_make_writable(&vchunk, 0);
849 pa_volume_memchunk(&vchunk, &s->sample_spec, &volume);
852 pa_memchunk_memcpy(target, &vchunk);
853 pa_memblock_unref(vchunk.memblock);
859 ptr = pa_memblock_acquire(target->memblock);
861 target->length = pa_mix(info, n,
862 (uint8_t*) ptr + target->index, length,
864 &s->thread_info.soft_volume,
865 s->thread_info.soft_muted);
867 pa_memblock_release(target->memblock);
870 inputs_drop(s, info, n, target);
875 /* Called from IO thread context */
876 void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) {
880 pa_sink_assert_ref(s);
881 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
883 pa_assert(target->memblock);
884 pa_assert(target->length > 0);
885 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
889 pa_assert(!s->thread_info.rewind_requested);
890 pa_assert(s->thread_info.rewind_nbytes == 0);
899 pa_sink_render_into(s, &chunk);
908 /* Called from IO thread context */
909 void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) {
910 pa_sink_assert_ref(s);
911 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
912 pa_assert(length > 0);
913 pa_assert(pa_frame_aligned(length, &s->sample_spec));
916 pa_assert(!s->thread_info.rewind_requested);
917 pa_assert(s->thread_info.rewind_nbytes == 0);
919 /*** This needs optimization ***/
922 result->length = length;
923 result->memblock = pa_memblock_new(s->core->mempool, length);
925 pa_sink_render_into_full(s, result);
928 /* Called from main thread */
929 pa_usec_t pa_sink_get_latency(pa_sink *s) {
932 pa_sink_assert_ref(s);
933 pa_assert(PA_SINK_IS_LINKED(s->state));
935 /* The returned value is supposed to be in the time domain of the sound card! */
937 if (s->state == PA_SINK_SUSPENDED)
940 if (!(s->flags & PA_SINK_LATENCY))
943 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
948 /* Called from main thread */
949 void pa_sink_update_flat_volume(pa_sink *s, pa_cvolume *new_volume) {
953 pa_sink_assert_ref(s);
954 pa_assert(new_volume);
955 pa_assert(PA_SINK_IS_LINKED(s->state));
956 pa_assert(s->flags & PA_SINK_FLAT_VOLUME);
958 /* This is called whenever a sink input volume changes and we
959 * might need to fix up the sink volume accordingly. Please note
960 * that we don't actually update the sinks volume here, we only
961 * return how it needs to be updated. The caller should then call
962 * pa_sink_set_flat_volume().*/
964 if (pa_idxset_isempty(s->inputs)) {
965 /* In the special case that we have no sink input we leave the
966 * volume unmodified. */
967 *new_volume = s->virtual_volume;
971 pa_cvolume_mute(new_volume, s->channel_map.channels);
973 /* First let's determine the new maximum volume of all inputs
974 * connected to this sink */
975 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
977 pa_cvolume remapped_volume;
979 remapped_volume = i->virtual_volume;
980 pa_cvolume_remap(&remapped_volume, &i->channel_map, &s->channel_map);
982 for (c = 0; c < new_volume->channels; c++)
983 if (remapped_volume.values[c] > new_volume->values[c])
984 new_volume->values[c] = remapped_volume.values[c];
987 /* Then, let's update the soft volumes of all inputs connected
989 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
990 pa_cvolume remapped_new_volume;
992 remapped_new_volume = *new_volume;
993 pa_cvolume_remap(&remapped_new_volume, &s->channel_map, &i->channel_map);
994 pa_sw_cvolume_divide(&i->soft_volume, &i->virtual_volume, &remapped_new_volume);
995 pa_sw_cvolume_multiply(&i->soft_volume, &i->soft_volume, &i->volume_factor);
997 /* Hooks have the ability to play games with i->soft_volume */
998 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_INPUT_SET_VOLUME], i);
1000 /* We don't issue PA_SINK_INPUT_MESSAGE_SET_VOLUME because
1001 * we want the update to have atomically with the sink
1002 * volume update, hence we do it within the
1003 * pa_sink_set_flat_volume() call below*/
1007 /* Called from main thread */
1008 void pa_sink_propagate_flat_volume(pa_sink *s, const pa_cvolume *old_volume) {
1012 pa_sink_assert_ref(s);
1013 pa_assert(old_volume);
1014 pa_assert(PA_SINK_IS_LINKED(s->state));
1015 pa_assert(s->flags & PA_SINK_FLAT_VOLUME);
1017 /* This is called whenever the sink volume changes that is not
1018 * caused by a sink input volume change. We need to fix up the
1019 * sink input volumes accordingly */
1021 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
1022 pa_cvolume remapped_old_volume, remapped_new_volume, fixed_volume;
1025 remapped_new_volume = s->virtual_volume;
1026 pa_cvolume_remap(&remapped_new_volume, &s->channel_map, &i->channel_map);
1028 remapped_old_volume = *old_volume;
1029 pa_cvolume_remap(&remapped_old_volume, &s->channel_map, &i->channel_map);
1031 for (c = 0; c < i->sample_spec.channels; c++)
1033 if (remapped_old_volume.values[c] == PA_VOLUME_MUTED)
1034 fixed_volume.values[c] = PA_VOLUME_MUTED;
1036 fixed_volume.values[c] = (pa_volume_t)
1037 ((uint64_t) i->virtual_volume.values[c] *
1038 (uint64_t) remapped_new_volume.values[c] /
1039 (uint64_t) remapped_old_volume.values[c]);
1041 fixed_volume.channels = i->virtual_volume.channels;
1043 if (!pa_cvolume_equal(&fixed_volume, &i->virtual_volume)) {
1044 i->virtual_volume = fixed_volume;
1046 /* The virtual volume changed, let's tell people so */
1047 pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
1052 /* Called from main thread */
1053 void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume, pa_bool_t propagate, pa_bool_t sendmsg) {
1054 pa_cvolume old_virtual_volume;
1055 pa_bool_t virtual_volume_changed;
1057 pa_sink_assert_ref(s);
1058 pa_assert(PA_SINK_IS_LINKED(s->state));
1060 pa_assert(pa_cvolume_valid(volume));
1061 pa_assert(pa_cvolume_compatible(volume, &s->sample_spec));
1063 old_virtual_volume = s->virtual_volume;
1064 s->virtual_volume = *volume;
1065 virtual_volume_changed = !pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume);
1067 /* Propagate this volume change back to the inputs */
1068 if (virtual_volume_changed)
1069 if (propagate && (s->flags & PA_SINK_FLAT_VOLUME))
1070 pa_sink_propagate_flat_volume(s, &old_virtual_volume);
1072 if (s->set_volume) {
1073 /* If we have a function set_volume(), then we do not apply a
1074 * soft volume by default. However, set_volume() is apply one
1075 * to s->soft_volume */
1077 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
1081 /* If we have no function set_volume(), then the soft volume
1082 * becomes the virtual volume */
1083 s->soft_volume = s->virtual_volume;
1085 /* This tells the sink that soft and/or virtual volume changed */
1087 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
1089 if (virtual_volume_changed)
1090 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
1093 /* Called from main thread. Only to be called by sink implementor */
1094 void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume) {
1095 pa_sink_assert_ref(s);
1098 s->soft_volume = *volume;
1100 if (PA_SINK_IS_LINKED(s->state))
1101 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
1103 s->thread_info.soft_volume = *volume;
1106 /* Called from main thread */
1107 const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_bool_t force_refresh) {
1108 pa_sink_assert_ref(s);
1110 if (s->refresh_volume || force_refresh) {
1111 struct pa_cvolume old_virtual_volume = s->virtual_volume;
1116 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, NULL, 0, NULL) == 0);
1118 if (!pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume)) {
1120 if (s->flags & PA_SINK_FLAT_VOLUME)
1121 pa_sink_propagate_flat_volume(s, &old_virtual_volume);
1123 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
1127 return &s->virtual_volume;
1130 /* Called from main thread */
1131 void pa_sink_set_mute(pa_sink *s, pa_bool_t mute) {
1132 pa_bool_t old_muted;
1134 pa_sink_assert_ref(s);
1135 pa_assert(PA_SINK_IS_LINKED(s->state));
1137 old_muted = s->muted;
1143 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
1145 if (old_muted != s->muted)
1146 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
1149 /* Called from main thread */
1150 pa_bool_t pa_sink_get_mute(pa_sink *s, pa_bool_t force_refresh) {
1152 pa_sink_assert_ref(s);
1154 if (s->refresh_muted || force_refresh) {
1155 pa_bool_t old_muted = s->muted;
1160 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, NULL, 0, NULL) == 0);
1162 if (old_muted != s->muted)
1163 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
1169 /* Called from main thread */
1170 pa_bool_t pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p) {
1172 pa_sink_assert_ref(s);
1175 pa_proplist_update(s->proplist, mode, p);
1177 if (PA_SINK_IS_LINKED(s->state)) {
1178 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
1179 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
1185 /* Called from main thread */
1186 void pa_sink_set_description(pa_sink *s, const char *description) {
1188 pa_sink_assert_ref(s);
1190 if (!description && !pa_proplist_contains(s->proplist, PA_PROP_DEVICE_DESCRIPTION))
1193 old = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
1195 if (old && description && !strcmp(old, description))
1199 pa_proplist_sets(s->proplist, PA_PROP_DEVICE_DESCRIPTION, description);
1201 pa_proplist_unset(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
1203 if (s->monitor_source) {
1206 n = pa_sprintf_malloc("Monitor Source of %s", description ? description : s->name);
1207 pa_source_set_description(s->monitor_source, n);
1211 if (PA_SINK_IS_LINKED(s->state)) {
1212 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
1213 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
1217 /* Called from main thread */
1218 unsigned pa_sink_linked_by(pa_sink *s) {
1221 pa_sink_assert_ref(s);
1222 pa_assert(PA_SINK_IS_LINKED(s->state));
1224 ret = pa_idxset_size(s->inputs);
1226 /* We add in the number of streams connected to us here. Please
1227 * note the asymmmetry to pa_sink_used_by()! */
1229 if (s->monitor_source)
1230 ret += pa_source_linked_by(s->monitor_source);
1235 /* Called from main thread */
1236 unsigned pa_sink_used_by(pa_sink *s) {
1239 pa_sink_assert_ref(s);
1240 pa_assert(PA_SINK_IS_LINKED(s->state));
1242 ret = pa_idxset_size(s->inputs);
1243 pa_assert(ret >= s->n_corked);
1245 /* Streams connected to our monitor source do not matter for
1246 * pa_sink_used_by()!.*/
1248 return ret - s->n_corked;
1251 /* Called from main thread */
1252 unsigned pa_sink_check_suspend(pa_sink *s) {
1257 pa_sink_assert_ref(s);
1259 if (!PA_SINK_IS_LINKED(s->state))
1264 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
1265 pa_sink_input_state_t st;
1267 st = pa_sink_input_get_state(i);
1268 pa_assert(PA_SINK_INPUT_IS_LINKED(st));
1270 if (st == PA_SINK_INPUT_CORKED)
1273 if (i->flags & PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND)
1279 if (s->monitor_source)
1280 ret += pa_source_check_suspend(s->monitor_source);
1285 /* Called from the IO thread */
1286 static void sync_input_volumes_within_thread(pa_sink *s) {
1290 pa_sink_assert_ref(s);
1292 while ((i = PA_SINK_INPUT(pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))) {
1293 if (pa_cvolume_equal(&i->thread_info.soft_volume, &i->soft_volume))
1296 i->thread_info.soft_volume = i->soft_volume;
1297 pa_sink_input_request_rewind(i, 0, TRUE, FALSE, FALSE);
1301 /* Called from IO thread, except when it is not */
1302 int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
1303 pa_sink *s = PA_SINK(o);
1304 pa_sink_assert_ref(s);
1306 switch ((pa_sink_message_t) code) {
1308 case PA_SINK_MESSAGE_ADD_INPUT: {
1309 pa_sink_input *i = PA_SINK_INPUT(userdata);
1311 /* If you change anything here, make sure to change the
1312 * sink input handling a few lines down at
1313 * PA_SINK_MESSAGE_FINISH_MOVE, too. */
1315 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
1317 /* Since the caller sleeps in pa_sink_input_put(), we can
1318 * safely access data outside of thread_info even though
1321 if ((i->thread_info.sync_prev = i->sync_prev)) {
1322 pa_assert(i->sink == i->thread_info.sync_prev->sink);
1323 pa_assert(i->sync_prev->sync_next == i);
1324 i->thread_info.sync_prev->thread_info.sync_next = i;
1327 if ((i->thread_info.sync_next = i->sync_next)) {
1328 pa_assert(i->sink == i->thread_info.sync_next->sink);
1329 pa_assert(i->sync_next->sync_prev == i);
1330 i->thread_info.sync_next->thread_info.sync_prev = i;
1333 pa_assert(!i->thread_info.attached);
1334 i->thread_info.attached = TRUE;
1339 pa_sink_input_set_state_within_thread(i, i->state);
1341 /* The requested latency of the sink input needs to be
1342 * fixed up and then configured on the sink */
1344 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
1345 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
1347 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
1348 pa_sink_input_update_max_request(i, s->thread_info.max_request);
1350 /* We don't rewind here automatically. This is left to the
1351 * sink input implementor because some sink inputs need a
1352 * slow start, i.e. need some time to buffer client
1353 * samples before beginning streaming. */
1355 /* In flat volume mode we need to update the volume as
1357 return o->process_msg(o, PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL);
1360 case PA_SINK_MESSAGE_REMOVE_INPUT: {
1361 pa_sink_input *i = PA_SINK_INPUT(userdata);
1363 /* If you change anything here, make sure to change the
1364 * sink input handling a few lines down at
1365 * PA_SINK_MESSAGE_PREPAPRE_MOVE, too. */
1370 pa_sink_input_set_state_within_thread(i, i->state);
1372 pa_assert(i->thread_info.attached);
1373 i->thread_info.attached = FALSE;
1375 /* Since the caller sleeps in pa_sink_input_unlink(),
1376 * we can safely access data outside of thread_info even
1377 * though it is mutable */
1379 pa_assert(!i->sync_prev);
1380 pa_assert(!i->sync_next);
1382 if (i->thread_info.sync_prev) {
1383 i->thread_info.sync_prev->thread_info.sync_next = i->thread_info.sync_prev->sync_next;
1384 i->thread_info.sync_prev = NULL;
1387 if (i->thread_info.sync_next) {
1388 i->thread_info.sync_next->thread_info.sync_prev = i->thread_info.sync_next->sync_prev;
1389 i->thread_info.sync_next = NULL;
1392 if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
1393 pa_sink_input_unref(i);
1395 pa_sink_invalidate_requested_latency(s);
1396 pa_sink_request_rewind(s, (size_t) -1);
1398 /* In flat volume mode we need to update the volume as
1400 return o->process_msg(o, PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL);
1403 case PA_SINK_MESSAGE_START_MOVE: {
1404 pa_sink_input *i = PA_SINK_INPUT(userdata);
1406 /* We don't support moving synchronized streams. */
1407 pa_assert(!i->sync_prev);
1408 pa_assert(!i->sync_next);
1409 pa_assert(!i->thread_info.sync_next);
1410 pa_assert(!i->thread_info.sync_prev);
1412 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
1414 size_t sink_nbytes, total_nbytes;
1416 /* Get the latency of the sink */
1417 if (!(s->flags & PA_SINK_LATENCY) ||
1418 PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
1421 sink_nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
1422 total_nbytes = sink_nbytes + pa_memblockq_get_length(i->thread_info.render_memblockq);
1424 if (total_nbytes > 0) {
1425 i->thread_info.rewrite_nbytes = i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, total_nbytes) : total_nbytes;
1426 i->thread_info.rewrite_flush = TRUE;
1427 pa_sink_input_process_rewind(i, sink_nbytes);
1434 pa_assert(i->thread_info.attached);
1435 i->thread_info.attached = FALSE;
1437 /* Let's remove the sink input ...*/
1438 if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
1439 pa_sink_input_unref(i);
1441 pa_sink_invalidate_requested_latency(s);
1443 pa_log_debug("Requesting rewind due to started move");
1444 pa_sink_request_rewind(s, (size_t) -1);
1446 /* In flat volume mode we need to update the volume as
1448 return o->process_msg(o, PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL);
1451 case PA_SINK_MESSAGE_FINISH_MOVE: {
1452 pa_sink_input *i = PA_SINK_INPUT(userdata);
1454 /* We don't support moving synchronized streams. */
1455 pa_assert(!i->sync_prev);
1456 pa_assert(!i->sync_next);
1457 pa_assert(!i->thread_info.sync_next);
1458 pa_assert(!i->thread_info.sync_prev);
1460 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
1462 pa_assert(!i->thread_info.attached);
1463 i->thread_info.attached = TRUE;
1468 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
1469 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
1471 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
1472 pa_sink_input_update_max_request(i, s->thread_info.max_request);
1474 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
1478 /* Get the latency of the sink */
1479 if (!(s->flags & PA_SINK_LATENCY) ||
1480 PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
1483 nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
1486 pa_sink_input_drop(i, nbytes);
1488 pa_log_debug("Requesting rewind due to finished move");
1489 pa_sink_request_rewind(s, nbytes);
1492 /* In flat volume mode we need to update the volume as
1494 return o->process_msg(o, PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL);
1497 case PA_SINK_MESSAGE_SET_VOLUME:
1499 if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
1500 s->thread_info.soft_volume = s->soft_volume;
1501 pa_sink_request_rewind(s, (size_t) -1);
1504 if (s->flags & PA_SINK_FLAT_VOLUME)
1505 sync_input_volumes_within_thread(s);
1509 case PA_SINK_MESSAGE_GET_VOLUME:
1512 case PA_SINK_MESSAGE_SET_MUTE:
1514 if (s->thread_info.soft_muted != s->muted) {
1515 s->thread_info.soft_muted = s->muted;
1516 pa_sink_request_rewind(s, (size_t) -1);
1521 case PA_SINK_MESSAGE_GET_MUTE:
1524 case PA_SINK_MESSAGE_SET_STATE:
1526 s->thread_info.state = PA_PTR_TO_UINT(userdata);
1528 if (s->thread_info.state == PA_SINK_SUSPENDED)
1529 s->thread_info.rewind_requested = FALSE;
1533 case PA_SINK_MESSAGE_DETACH:
1535 /* Detach all streams */
1536 pa_sink_detach_within_thread(s);
1539 case PA_SINK_MESSAGE_ATTACH:
1541 /* Reattach all streams */
1542 pa_sink_attach_within_thread(s);
1545 case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY: {
1547 pa_usec_t *usec = userdata;
1548 *usec = pa_sink_get_requested_latency_within_thread(s);
1550 if (*usec == (pa_usec_t) -1)
1551 *usec = s->thread_info.max_latency;
1556 case PA_SINK_MESSAGE_SET_LATENCY_RANGE: {
1557 pa_usec_t *r = userdata;
1559 pa_sink_update_latency_range(s, r[0], r[1]);
1564 case PA_SINK_MESSAGE_GET_LATENCY_RANGE: {
1565 pa_usec_t *r = userdata;
1567 r[0] = s->thread_info.min_latency;
1568 r[1] = s->thread_info.max_latency;
1573 case PA_SINK_MESSAGE_GET_MAX_REWIND:
1575 *((size_t*) userdata) = s->thread_info.max_rewind;
1578 case PA_SINK_MESSAGE_GET_MAX_REQUEST:
1580 *((size_t*) userdata) = s->thread_info.max_request;
1583 case PA_SINK_MESSAGE_GET_LATENCY:
1584 case PA_SINK_MESSAGE_MAX:
1591 /* Called from main thread */
1592 int pa_sink_suspend_all(pa_core *c, pa_bool_t suspend) {
1597 pa_core_assert_ref(c);
1599 for (sink = PA_SINK(pa_idxset_first(c->sinks, &idx)); sink; sink = PA_SINK(pa_idxset_next(c->sinks, &idx)))
1600 ret -= pa_sink_suspend(sink, suspend) < 0;
1605 /* Called from main thread */
1606 void pa_sink_detach(pa_sink *s) {
1607 pa_sink_assert_ref(s);
1608 pa_assert(PA_SINK_IS_LINKED(s->state));
1610 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_DETACH, NULL, 0, NULL) == 0);
1613 /* Called from main thread */
1614 void pa_sink_attach(pa_sink *s) {
1615 pa_sink_assert_ref(s);
1616 pa_assert(PA_SINK_IS_LINKED(s->state));
1618 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_ATTACH, NULL, 0, NULL) == 0);
1621 /* Called from IO thread */
1622 void pa_sink_detach_within_thread(pa_sink *s) {
1626 pa_sink_assert_ref(s);
1627 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1629 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1633 if (s->monitor_source)
1634 pa_source_detach_within_thread(s->monitor_source);
1637 /* Called from IO thread */
1638 void pa_sink_attach_within_thread(pa_sink *s) {
1642 pa_sink_assert_ref(s);
1643 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1645 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1649 if (s->monitor_source)
1650 pa_source_attach_within_thread(s->monitor_source);
1653 /* Called from IO thread */
1654 void pa_sink_request_rewind(pa_sink*s, size_t nbytes) {
1655 pa_sink_assert_ref(s);
1656 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1658 if (s->thread_info.state == PA_SINK_SUSPENDED)
1661 if (nbytes == (size_t) -1)
1662 nbytes = s->thread_info.max_rewind;
1664 nbytes = PA_MIN(nbytes, s->thread_info.max_rewind);
1666 if (s->thread_info.rewind_requested &&
1667 nbytes <= s->thread_info.rewind_nbytes)
1670 s->thread_info.rewind_nbytes = nbytes;
1671 s->thread_info.rewind_requested = TRUE;
1673 if (s->request_rewind)
1674 s->request_rewind(s);
1677 /* Called from IO thread */
1678 pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) {
1679 pa_usec_t result = (pa_usec_t) -1;
1682 pa_usec_t monitor_latency;
1684 pa_sink_assert_ref(s);
1686 if (s->thread_info.requested_latency_valid)
1687 return s->thread_info.requested_latency;
1689 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1691 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1 &&
1692 (result == (pa_usec_t) -1 || result > i->thread_info.requested_sink_latency))
1693 result = i->thread_info.requested_sink_latency;
1695 monitor_latency = pa_source_get_requested_latency_within_thread(s->monitor_source);
1697 if (monitor_latency != (pa_usec_t) -1 &&
1698 (result == (pa_usec_t) -1 || result > monitor_latency))
1699 result = monitor_latency;
1701 if (result != (pa_usec_t) -1) {
1702 if (s->thread_info.max_latency > 0 && result > s->thread_info.max_latency)
1703 result = s->thread_info.max_latency;
1705 if (s->thread_info.min_latency > 0 && result < s->thread_info.min_latency)
1706 result = s->thread_info.min_latency;
1709 s->thread_info.requested_latency = result;
1710 s->thread_info.requested_latency_valid = TRUE;
1715 /* Called from main thread */
1716 pa_usec_t pa_sink_get_requested_latency(pa_sink *s) {
1719 pa_sink_assert_ref(s);
1720 pa_assert(PA_SINK_IS_LINKED(s->state));
1722 if (s->state == PA_SINK_SUSPENDED)
1725 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
1729 /* Called from IO thread */
1730 void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind) {
1734 pa_sink_assert_ref(s);
1736 if (max_rewind == s->thread_info.max_rewind)
1739 s->thread_info.max_rewind = max_rewind;
1741 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
1742 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1743 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
1746 if (s->monitor_source)
1747 pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
1750 /* Called from IO thread */
1751 void pa_sink_set_max_request(pa_sink *s, size_t max_request) {
1754 pa_sink_assert_ref(s);
1756 if (max_request == s->thread_info.max_request)
1759 s->thread_info.max_request = max_request;
1761 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
1764 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1765 pa_sink_input_update_max_request(i, s->thread_info.max_request);
1769 /* Called from IO thread */
1770 void pa_sink_invalidate_requested_latency(pa_sink *s) {
1774 pa_sink_assert_ref(s);
1776 s->thread_info.requested_latency_valid = FALSE;
1778 if (s->update_requested_latency)
1779 s->update_requested_latency(s);
1781 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1782 if (i->update_sink_requested_latency)
1783 i->update_sink_requested_latency(i);
1786 /* Called from main thread */
1787 void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
1788 pa_sink_assert_ref(s);
1790 /* min_latency == 0: no limit
1791 * min_latency == (size_t) -1: default limit
1792 * min_latency anything else: specified limit
1794 * Similar for max_latency */
1796 if (min_latency == (pa_usec_t) -1)
1797 min_latency = DEFAULT_MIN_LATENCY;
1799 if (max_latency == (pa_usec_t) -1)
1800 max_latency = min_latency;
1802 pa_assert(!min_latency || !max_latency ||
1803 min_latency <= max_latency);
1805 if (PA_SINK_IS_LINKED(s->state)) {
1811 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0);
1813 s->thread_info.min_latency = min_latency;
1814 s->thread_info.max_latency = max_latency;
1816 s->monitor_source->thread_info.min_latency = min_latency;
1817 s->monitor_source->thread_info.max_latency = max_latency;
1819 s->thread_info.requested_latency_valid = s->monitor_source->thread_info.requested_latency_valid = FALSE;
1823 /* Called from main thread */
1824 void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
1825 pa_sink_assert_ref(s);
1826 pa_assert(min_latency);
1827 pa_assert(max_latency);
1829 if (PA_SINK_IS_LINKED(s->state)) {
1830 pa_usec_t r[2] = { 0, 0 };
1832 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
1834 *min_latency = r[0];
1835 *max_latency = r[1];
1837 *min_latency = s->thread_info.min_latency;
1838 *max_latency = s->thread_info.max_latency;
1842 /* Called from IO thread */
1843 void pa_sink_update_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
1847 pa_sink_assert_ref(s);
1849 pa_assert(!min_latency || !max_latency ||
1850 min_latency <= max_latency);
1852 s->thread_info.min_latency = min_latency;
1853 s->thread_info.max_latency = max_latency;
1855 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
1856 if (i->update_sink_latency_range)
1857 i->update_sink_latency_range(i);
1859 pa_sink_invalidate_requested_latency(s);
1861 pa_source_update_latency_range(s->monitor_source, min_latency, max_latency);
1864 /* Called from main context */
1865 size_t pa_sink_get_max_rewind(pa_sink *s) {
1867 pa_sink_assert_ref(s);
1869 if (!PA_SINK_IS_LINKED(s->state))
1870 return s->thread_info.max_rewind;
1872 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0);
1877 /* Called from main context */
1878 size_t pa_sink_get_max_request(pa_sink *s) {
1880 pa_sink_assert_ref(s);
1882 if (!PA_SINK_IS_LINKED(s->state))
1883 return s->thread_info.max_request;
1885 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REQUEST, &r, 0, NULL) == 0);