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/utf8.h>
32 #include <pulse/xmalloc.h>
33 #include <pulse/timeval.h>
34 #include <pulse/util.h>
36 #include <pulsecore/source-output.h>
37 #include <pulsecore/namereg.h>
38 #include <pulsecore/core-subscribe.h>
39 #include <pulsecore/log.h>
40 #include <pulsecore/sample-util.h>
44 #define DEFAULT_MIN_LATENCY (4*PA_USEC_PER_MSEC)
46 static PA_DEFINE_CHECK_TYPE(pa_source, pa_msgobject);
48 static void source_free(pa_object *o);
50 pa_source_new_data* pa_source_new_data_init(pa_source_new_data *data) {
53 memset(data, 0, sizeof(*data));
54 data->proplist = pa_proplist_new();
59 void pa_source_new_data_set_name(pa_source_new_data *data, const char *name) {
63 data->name = pa_xstrdup(name);
66 void pa_source_new_data_set_sample_spec(pa_source_new_data *data, const pa_sample_spec *spec) {
69 if ((data->sample_spec_is_set = !!spec))
70 data->sample_spec = *spec;
73 void pa_source_new_data_set_channel_map(pa_source_new_data *data, const pa_channel_map *map) {
76 if ((data->channel_map_is_set = !!map))
77 data->channel_map = *map;
80 void pa_source_new_data_set_volume(pa_source_new_data *data, const pa_cvolume *volume) {
83 if ((data->volume_is_set = !!volume))
84 data->volume = *volume;
87 void pa_source_new_data_set_muted(pa_source_new_data *data, pa_bool_t mute) {
90 data->muted_is_set = TRUE;
94 void pa_source_new_data_done(pa_source_new_data *data) {
98 pa_proplist_free(data->proplist);
101 /* Called from main context */
102 static void reset_callbacks(pa_source *s) {
106 s->get_volume = NULL;
107 s->set_volume = NULL;
110 s->update_requested_latency = NULL;
113 /* Called from main context */
114 pa_source* pa_source_new(
116 pa_source_new_data *data,
117 pa_source_flags_t flags) {
121 char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
125 pa_assert(data->name);
127 s = pa_msgobject_new(pa_source);
129 if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SOURCE, s, data->namereg_fail))) {
134 pa_source_new_data_set_name(data, name);
136 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_NEW], data) < 0) {
138 pa_namereg_unregister(core, name);
142 pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver));
143 pa_return_null_if_fail(data->name && pa_utf8_valid(data->name) && data->name[0]);
145 pa_return_null_if_fail(data->sample_spec_is_set && pa_sample_spec_valid(&data->sample_spec));
147 if (!data->channel_map_is_set)
148 pa_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT));
150 pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map));
151 pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels);
153 if (!data->volume_is_set)
154 pa_cvolume_reset(&data->volume, data->sample_spec.channels);
156 pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
157 pa_return_null_if_fail(data->volume.channels == data->sample_spec.channels);
159 if (!data->muted_is_set)
163 pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->card->proplist);
165 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_FIXATE], data) < 0) {
167 pa_namereg_unregister(core, name);
171 s->parent.parent.free = source_free;
172 s->parent.process_msg = pa_source_process_msg;
175 s->state = PA_SOURCE_INIT;
177 s->name = pa_xstrdup(name);
178 s->proplist = pa_proplist_copy(data->proplist);
179 s->driver = pa_xstrdup(pa_path_get_filename(data->driver));
180 s->module = data->module;
181 s->card = data->card;
183 s->sample_spec = data->sample_spec;
184 s->channel_map = data->channel_map;
186 s->outputs = pa_idxset_new(NULL, NULL);
188 s->monitor_of = NULL;
190 s->volume = data->volume;
191 s->muted = data->muted;
192 s->refresh_volume = s->refresh_muted = FALSE;
193 s->base_volume = PA_VOLUME_NORM;
201 pa_silence_memchunk_get(
202 &core->silence_cache,
208 s->thread_info.outputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
209 pa_cvolume_reset(&s->thread_info.soft_volume, s->sample_spec.channels);
210 s->thread_info.soft_muted = FALSE;
211 s->thread_info.state = s->state;
212 s->thread_info.max_rewind = 0;
213 s->thread_info.requested_latency_valid = FALSE;
214 s->thread_info.requested_latency = 0;
215 s->thread_info.min_latency = DEFAULT_MIN_LATENCY;
216 s->thread_info.max_latency = 0;
218 pa_assert_se(pa_idxset_put(core->sources, s, &s->index) >= 0);
221 pa_assert_se(pa_idxset_put(s->card->sources, s, NULL) >= 0);
223 pa_log_info("Created source %u \"%s\" with sample spec %s and channel map %s",
226 pa_sample_spec_snprint(st, sizeof(st), &s->sample_spec),
227 pa_channel_map_snprint(cm, sizeof(cm), &s->channel_map));
232 /* Called from main context */
233 static int source_set_state(pa_source *s, pa_source_state_t state) {
235 pa_bool_t suspend_change;
236 pa_source_state_t original_state;
240 if (s->state == state)
243 original_state = s->state;
246 (original_state == PA_SOURCE_SUSPENDED && PA_SOURCE_IS_OPENED(state)) ||
247 (PA_SOURCE_IS_OPENED(original_state) && state == PA_SOURCE_SUSPENDED);
250 if ((ret = s->set_state(s, state)) < 0)
254 if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
257 s->set_state(s, original_state);
264 if (suspend_change) {
268 /* We're suspending or resuming, tell everyone about it */
270 for (o = PA_SOURCE_OUTPUT(pa_idxset_first(s->outputs, &idx)); o; o = PA_SOURCE_OUTPUT(pa_idxset_next(s->outputs, &idx)))
272 o->suspend(o, state == PA_SOURCE_SUSPENDED);
275 if (state != PA_SOURCE_UNLINKED) /* if we enter UNLINKED state pa_source_unlink() will fire the apropriate events */
276 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_STATE_CHANGED], s);
281 /* Called from main context */
282 void pa_source_put(pa_source *s) {
283 pa_source_assert_ref(s);
285 pa_assert(s->state == PA_SOURCE_INIT);
287 /* The following fields must be initialized properly when calling _put() */
288 pa_assert(s->asyncmsgq);
289 pa_assert(s->rtpoll);
290 pa_assert(!s->thread_info.min_latency || !s->thread_info.max_latency ||
291 s->thread_info.min_latency <= s->thread_info.max_latency);
293 if (!(s->flags & PA_SOURCE_HW_VOLUME_CTRL)) {
294 s->flags |= PA_SOURCE_DECIBEL_VOLUME;
296 s->thread_info.soft_volume = s->volume;
297 s->thread_info.soft_muted = s->muted;
300 pa_assert_se(source_set_state(s, PA_SOURCE_IDLE) == 0);
302 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_NEW, s->index);
303 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_PUT], s);
306 /* Called from main context */
307 void pa_source_unlink(pa_source *s) {
309 pa_source_output *o, *j = NULL;
313 /* See pa_sink_unlink() for a couple of comments how this function
316 linked = PA_SOURCE_IS_LINKED(s->state);
319 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK], s);
321 if (s->state != PA_SOURCE_UNLINKED)
322 pa_namereg_unregister(s->core, s->name);
323 pa_idxset_remove_by_data(s->core->sources, s, NULL);
326 pa_idxset_remove_by_data(s->card->sources, s, NULL);
328 while ((o = pa_idxset_first(s->outputs, NULL))) {
330 pa_source_output_kill(o);
335 source_set_state(s, PA_SOURCE_UNLINKED);
337 s->state = PA_SOURCE_UNLINKED;
342 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
343 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK_POST], s);
347 /* Called from main context */
348 static void source_free(pa_object *o) {
349 pa_source_output *so;
350 pa_source *s = PA_SOURCE(o);
353 pa_assert(pa_source_refcnt(s) == 0);
355 if (PA_SOURCE_IS_LINKED(s->state))
358 pa_log_info("Freeing source %u \"%s\"", s->index, s->name);
360 pa_idxset_free(s->outputs, NULL, NULL);
362 while ((so = pa_hashmap_steal_first(s->thread_info.outputs)))
363 pa_source_output_unref(so);
365 pa_hashmap_free(s->thread_info.outputs, NULL, NULL);
367 if (s->silence.memblock)
368 pa_memblock_unref(s->silence.memblock);
374 pa_proplist_free(s->proplist);
379 /* Called from main context */
380 void pa_source_set_asyncmsgq(pa_source *s, pa_asyncmsgq *q) {
381 pa_source_assert_ref(s);
386 /* Called from main context */
387 void pa_source_set_rtpoll(pa_source *s, pa_rtpoll *p) {
388 pa_source_assert_ref(s);
393 /* Called from main context */
394 int pa_source_update_status(pa_source*s) {
395 pa_source_assert_ref(s);
396 pa_assert(PA_SOURCE_IS_LINKED(s->state));
398 if (s->state == PA_SOURCE_SUSPENDED)
401 return source_set_state(s, pa_source_used_by(s) ? PA_SOURCE_RUNNING : PA_SOURCE_IDLE);
404 /* Called from main context */
405 int pa_source_suspend(pa_source *s, pa_bool_t suspend) {
406 pa_source_assert_ref(s);
407 pa_assert(PA_SOURCE_IS_LINKED(s->state));
410 return source_set_state(s, PA_SOURCE_SUSPENDED);
412 return source_set_state(s, pa_source_used_by(s) ? PA_SOURCE_RUNNING : PA_SOURCE_IDLE);
415 /* Called from main context */
416 pa_queue *pa_source_move_all_start(pa_source *s) {
418 pa_source_output *o, *n;
421 pa_source_assert_ref(s);
422 pa_assert(PA_SOURCE_IS_LINKED(s->state));
426 for (o = PA_SOURCE_OUTPUT(pa_idxset_first(s->outputs, &idx)); o; o = n) {
427 n = PA_SOURCE_OUTPUT(pa_idxset_next(s->outputs, &idx));
429 if (pa_source_output_start_move(o) >= 0)
430 pa_queue_push(q, pa_source_output_ref(o));
436 /* Called from main context */
437 void pa_source_move_all_finish(pa_source *s, pa_queue *q) {
440 pa_source_assert_ref(s);
441 pa_assert(PA_SOURCE_IS_LINKED(s->state));
444 while ((o = PA_SOURCE_OUTPUT(pa_queue_pop(q)))) {
445 if (pa_source_output_finish_move(o, s) < 0)
446 pa_source_output_unlink(o);
448 pa_source_output_unref(o);
451 pa_queue_free(q, NULL, NULL);
454 /* Called from main context */
455 void pa_source_move_all_fail(pa_queue *q) {
459 while ((o = PA_SOURCE_OUTPUT(pa_queue_pop(q)))) {
460 pa_source_output_unlink(o);
461 pa_source_output_unref(o);
464 pa_queue_free(q, NULL, NULL);
467 /* Called from IO thread context */
468 void pa_source_process_rewind(pa_source *s, size_t nbytes) {
472 pa_source_assert_ref(s);
473 pa_assert(PA_SOURCE_IS_OPENED(s->thread_info.state));
478 pa_log_debug("Processing rewind...");
480 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) {
481 pa_source_output_assert_ref(o);
482 pa_source_output_process_rewind(o, nbytes);
486 /* Called from IO thread context */
487 void pa_source_post(pa_source*s, const pa_memchunk *chunk) {
491 pa_source_assert_ref(s);
492 pa_assert(PA_SOURCE_IS_OPENED(s->thread_info.state));
495 if (s->thread_info.soft_muted || !pa_cvolume_is_norm(&s->thread_info.soft_volume)) {
496 pa_memchunk vchunk = *chunk;
498 pa_memblock_ref(vchunk.memblock);
499 pa_memchunk_make_writable(&vchunk, 0);
501 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&s->thread_info.soft_volume))
502 pa_silence_memchunk(&vchunk, &s->sample_spec);
504 pa_volume_memchunk(&vchunk, &s->sample_spec, &s->thread_info.soft_volume);
506 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) {
507 pa_source_output_assert_ref(o);
509 if (!o->thread_info.direct_on_input)
510 pa_source_output_push(o, &vchunk);
513 pa_memblock_unref(vchunk.memblock);
516 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) {
517 pa_source_output_assert_ref(o);
519 if (!o->thread_info.direct_on_input)
520 pa_source_output_push(o, chunk);
525 /* Called from IO thread context */
526 void pa_source_post_direct(pa_source*s, pa_source_output *o, const pa_memchunk *chunk) {
527 pa_source_assert_ref(s);
528 pa_assert(PA_SOURCE_IS_OPENED(s->thread_info.state));
529 pa_source_output_assert_ref(o);
530 pa_assert(o->thread_info.direct_on_input);
533 if (s->thread_info.soft_muted || !pa_cvolume_is_norm(&s->thread_info.soft_volume)) {
534 pa_memchunk vchunk = *chunk;
536 pa_memblock_ref(vchunk.memblock);
537 pa_memchunk_make_writable(&vchunk, 0);
539 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&s->thread_info.soft_volume))
540 pa_silence_memchunk(&vchunk, &s->sample_spec);
542 pa_volume_memchunk(&vchunk, &s->sample_spec, &s->thread_info.soft_volume);
544 pa_source_output_push(o, &vchunk);
546 pa_memblock_unref(vchunk.memblock);
548 pa_source_output_push(o, chunk);
551 /* Called from main thread */
552 pa_usec_t pa_source_get_latency(pa_source *s) {
555 pa_source_assert_ref(s);
556 pa_assert(PA_SOURCE_IS_LINKED(s->state));
558 if (!PA_SOURCE_IS_OPENED(s->state))
561 if (!(s->flags & PA_SOURCE_LATENCY))
564 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
569 /* Called from main thread */
570 void pa_source_set_volume(pa_source *s, const pa_cvolume *volume) {
573 pa_source_assert_ref(s);
574 pa_assert(PA_SOURCE_IS_LINKED(s->state));
577 changed = !pa_cvolume_equal(volume, &s->volume);
580 if (s->set_volume && s->set_volume(s) < 0)
581 s->set_volume = NULL;
584 pa_source_set_soft_volume(s, volume);
587 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
590 /* Called from main thread */
591 void pa_source_set_soft_volume(pa_source *s, const pa_cvolume *volume) {
592 pa_source_assert_ref(s);
595 if (PA_SOURCE_IS_LINKED(s->state))
596 pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_VOLUME, volume, 0, NULL);
598 s->thread_info.soft_volume = *volume;
601 /* Called from main thread */
602 const pa_cvolume *pa_source_get_volume(pa_source *s, pa_bool_t force_refresh) {
603 pa_source_assert_ref(s);
604 pa_assert(PA_SOURCE_IS_LINKED(s->state));
606 if (s->refresh_volume || force_refresh) {
607 pa_cvolume old_volume = s->volume;
609 if (s->get_volume && s->get_volume(s) < 0)
610 s->get_volume = NULL;
613 pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_VOLUME, &s->volume, 0, NULL);
615 if (!pa_cvolume_equal(&old_volume, &s->volume))
616 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
622 /* Called from main thread */
623 void pa_source_set_mute(pa_source *s, pa_bool_t mute) {
626 pa_source_assert_ref(s);
627 pa_assert(PA_SOURCE_IS_LINKED(s->state));
629 changed = s->muted != mute;
632 if (s->set_mute && s->set_mute(s) < 0)
636 pa_asyncmsgq_post(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_MUTE, PA_UINT_TO_PTR(mute), 0, NULL, NULL);
639 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
642 /* Called from main thread */
643 pa_bool_t pa_source_get_mute(pa_source *s, pa_bool_t force_refresh) {
645 pa_source_assert_ref(s);
646 pa_assert(PA_SOURCE_IS_LINKED(s->state));
648 if (s->refresh_muted || force_refresh) {
649 pa_bool_t old_muted = s->muted;
651 if (s->get_mute && s->get_mute(s) < 0)
655 pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_MUTE, &s->muted, 0, NULL);
657 if (old_muted != s->muted)
658 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
664 pa_bool_t pa_source_update_proplist(pa_source *s, pa_update_mode_t mode, pa_proplist *p) {
666 pa_source_assert_ref(s);
668 pa_proplist_update(s->proplist, mode, p);
670 if (PA_SOURCE_IS_LINKED(s->state)) {
671 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED], s);
672 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
678 /* Called from main thread */
679 void pa_source_set_description(pa_source *s, const char *description) {
681 pa_source_assert_ref(s);
683 if (!description && !pa_proplist_contains(s->proplist, PA_PROP_DEVICE_DESCRIPTION))
686 old = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
688 if (old && description && !strcmp(old, description))
692 pa_proplist_sets(s->proplist, PA_PROP_DEVICE_DESCRIPTION, description);
694 pa_proplist_unset(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
696 if (PA_SOURCE_IS_LINKED(s->state)) {
697 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
698 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED], s);
702 /* Called from main thread */
703 unsigned pa_source_linked_by(pa_source *s) {
704 pa_source_assert_ref(s);
705 pa_assert(PA_SOURCE_IS_LINKED(s->state));
707 return pa_idxset_size(s->outputs);
710 /* Called from main thread */
711 unsigned pa_source_used_by(pa_source *s) {
714 pa_source_assert_ref(s);
715 pa_assert(PA_SOURCE_IS_LINKED(s->state));
717 ret = pa_idxset_size(s->outputs);
718 pa_assert(ret >= s->n_corked);
720 return ret - s->n_corked;
723 /* Called from main thread */
724 unsigned pa_source_check_suspend(pa_source *s) {
729 pa_source_assert_ref(s);
731 if (!PA_SOURCE_IS_LINKED(s->state))
736 for (o = PA_SOURCE_OUTPUT(pa_idxset_first(s->outputs, &idx)); o; o = PA_SOURCE_OUTPUT(pa_idxset_next(s->outputs, &idx))) {
737 pa_source_output_state_t st;
739 st = pa_source_output_get_state(o);
740 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(st));
742 if (st == PA_SOURCE_OUTPUT_CORKED)
745 if (o->flags & PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND)
754 /* Called from IO thread, except when it is not */
755 int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
756 pa_source *s = PA_SOURCE(object);
757 pa_source_assert_ref(s);
759 switch ((pa_source_message_t) code) {
761 case PA_SOURCE_MESSAGE_ADD_OUTPUT: {
762 pa_source_output *o = PA_SOURCE_OUTPUT(userdata);
764 pa_hashmap_put(s->thread_info.outputs, PA_UINT32_TO_PTR(o->index), pa_source_output_ref(o));
766 if (o->direct_on_input) {
767 o->thread_info.direct_on_input = o->direct_on_input;
768 pa_hashmap_put(o->thread_info.direct_on_input->thread_info.direct_outputs, PA_UINT32_TO_PTR(o->index), o);
771 pa_assert(!o->thread_info.attached);
772 o->thread_info.attached = TRUE;
777 pa_source_output_set_state_within_thread(o, o->state);
779 if (o->thread_info.requested_source_latency != (pa_usec_t) -1)
780 pa_source_output_set_requested_latency_within_thread(o, o->thread_info.requested_source_latency);
782 pa_source_output_update_max_rewind(o, s->thread_info.max_rewind);
784 /* We don't just invalidate the requested latency here,
785 * because if we are in a move we might need to fix up the
786 * requested latency. */
787 pa_source_output_set_requested_latency_within_thread(o, o->thread_info.requested_source_latency);
792 case PA_SOURCE_MESSAGE_REMOVE_OUTPUT: {
793 pa_source_output *o = PA_SOURCE_OUTPUT(userdata);
795 pa_source_output_set_state_within_thread(o, o->state);
800 pa_assert(o->thread_info.attached);
801 o->thread_info.attached = FALSE;
803 if (o->thread_info.direct_on_input) {
804 pa_hashmap_remove(o->thread_info.direct_on_input->thread_info.direct_outputs, PA_UINT32_TO_PTR(o->index));
805 o->thread_info.direct_on_input = NULL;
808 if (pa_hashmap_remove(s->thread_info.outputs, PA_UINT32_TO_PTR(o->index)))
809 pa_source_output_unref(o);
811 pa_source_invalidate_requested_latency(s);
816 case PA_SOURCE_MESSAGE_SET_VOLUME:
817 s->thread_info.soft_volume = *((pa_cvolume*) userdata);
820 case PA_SOURCE_MESSAGE_SET_MUTE:
821 s->thread_info.soft_muted = PA_PTR_TO_UINT(userdata);
824 case PA_SOURCE_MESSAGE_GET_VOLUME:
825 *((pa_cvolume*) userdata) = s->thread_info.soft_volume;
828 case PA_SOURCE_MESSAGE_GET_MUTE:
829 *((pa_bool_t*) userdata) = s->thread_info.soft_muted;
832 case PA_SOURCE_MESSAGE_SET_STATE:
833 s->thread_info.state = PA_PTR_TO_UINT(userdata);
836 case PA_SOURCE_MESSAGE_DETACH:
838 /* Detach all streams */
839 pa_source_detach_within_thread(s);
842 case PA_SOURCE_MESSAGE_ATTACH:
844 /* Reattach all streams */
845 pa_source_attach_within_thread(s);
848 case PA_SOURCE_MESSAGE_GET_REQUESTED_LATENCY: {
850 pa_usec_t *usec = userdata;
851 *usec = pa_source_get_requested_latency_within_thread(s);
853 if (*usec == (pa_usec_t) -1)
854 *usec = s->thread_info.max_latency;
859 case PA_SOURCE_MESSAGE_SET_LATENCY_RANGE: {
860 pa_usec_t *r = userdata;
862 pa_source_update_latency_range(s, r[0], r[1]);
867 case PA_SOURCE_MESSAGE_GET_LATENCY_RANGE: {
868 pa_usec_t *r = userdata;
870 r[0] = s->thread_info.min_latency;
871 r[1] = s->thread_info.max_latency;
876 case PA_SOURCE_MESSAGE_GET_MAX_REWIND:
878 *((size_t*) userdata) = s->thread_info.max_rewind;
881 case PA_SOURCE_MESSAGE_GET_LATENCY:
884 *((pa_usec_t*) userdata) = 0;
888 /* Implementors need to overwrite this implementation! */
891 case PA_SOURCE_MESSAGE_MAX:
898 /* Called from main thread */
899 int pa_source_suspend_all(pa_core *c, pa_bool_t suspend) {
904 pa_core_assert_ref(c);
906 for (source = PA_SOURCE(pa_idxset_first(c->sources, &idx)); source; source = PA_SOURCE(pa_idxset_next(c->sources, &idx)))
907 ret -= pa_source_suspend(source, suspend) < 0;
912 /* Called from main thread */
913 void pa_source_detach(pa_source *s) {
914 pa_source_assert_ref(s);
915 pa_assert(PA_SOURCE_IS_LINKED(s->state));
917 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_DETACH, NULL, 0, NULL) == 0);
920 /* Called from main thread */
921 void pa_source_attach(pa_source *s) {
922 pa_source_assert_ref(s);
923 pa_assert(PA_SOURCE_IS_LINKED(s->state));
925 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_ATTACH, NULL, 0, NULL) == 0);
928 /* Called from IO thread */
929 void pa_source_detach_within_thread(pa_source *s) {
933 pa_source_assert_ref(s);
934 pa_assert(PA_SOURCE_IS_LINKED(s->thread_info.state));
936 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
941 /* Called from IO thread */
942 void pa_source_attach_within_thread(pa_source *s) {
946 pa_source_assert_ref(s);
947 pa_assert(PA_SOURCE_IS_LINKED(s->thread_info.state));
949 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
954 /* Called from IO thread */
955 pa_usec_t pa_source_get_requested_latency_within_thread(pa_source *s) {
956 pa_usec_t result = (pa_usec_t) -1;
960 pa_source_assert_ref(s);
962 if (s->thread_info.requested_latency_valid)
963 return s->thread_info.requested_latency;
965 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
967 if (o->thread_info.requested_source_latency != (pa_usec_t) -1 &&
968 (result == (pa_usec_t) -1 || result > o->thread_info.requested_source_latency))
969 result = o->thread_info.requested_source_latency;
971 if (result != (pa_usec_t) -1) {
972 if (s->thread_info.max_latency > 0 && result > s->thread_info.max_latency)
973 result = s->thread_info.max_latency;
975 if (s->thread_info.min_latency > 0 && result < s->thread_info.min_latency)
976 result = s->thread_info.min_latency;
979 s->thread_info.requested_latency = result;
980 s->thread_info.requested_latency_valid = TRUE;
985 /* Called from main thread */
986 pa_usec_t pa_source_get_requested_latency(pa_source *s) {
989 pa_source_assert_ref(s);
990 pa_assert(PA_SOURCE_IS_LINKED(s->state));
992 if (!PA_SOURCE_IS_OPENED(s->state))
995 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
1000 /* Called from IO thread */
1001 void pa_source_set_max_rewind(pa_source *s, size_t max_rewind) {
1002 pa_source_output *o;
1005 pa_source_assert_ref(s);
1007 if (max_rewind == s->thread_info.max_rewind)
1010 s->thread_info.max_rewind = max_rewind;
1012 if (PA_SOURCE_IS_LINKED(s->thread_info.state)) {
1013 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
1014 pa_source_output_update_max_rewind(o, s->thread_info.max_rewind);
1018 void pa_source_invalidate_requested_latency(pa_source *s) {
1019 pa_source_output *o;
1022 pa_source_assert_ref(s);
1024 s->thread_info.requested_latency_valid = FALSE;
1026 if (s->update_requested_latency)
1027 s->update_requested_latency(s);
1029 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
1030 if (o->update_source_requested_latency)
1031 o->update_source_requested_latency(o);
1034 pa_sink_invalidate_requested_latency(s->monitor_of);
1037 void pa_source_set_latency_range(pa_source *s, pa_usec_t min_latency, pa_usec_t max_latency) {
1038 pa_source_assert_ref(s);
1040 /* min_latency == 0: no limit
1041 * min_latency == (size_t) -1: default limit
1042 * min_latency anything else: specified limit
1044 * Similar for max_latency */
1046 if (min_latency == (pa_usec_t) -1)
1047 min_latency = DEFAULT_MIN_LATENCY;
1049 if (max_latency == (pa_usec_t) -1)
1050 max_latency = min_latency;
1052 pa_assert(!min_latency || !max_latency ||
1053 min_latency <= max_latency);
1055 if (PA_SOURCE_IS_LINKED(s->state)) {
1061 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0);
1063 s->thread_info.min_latency = min_latency;
1064 s->thread_info.max_latency = max_latency;
1066 s->thread_info.requested_latency_valid = FALSE;
1070 void pa_source_get_latency_range(pa_source *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
1071 pa_source_assert_ref(s);
1072 pa_assert(min_latency);
1073 pa_assert(max_latency);
1075 if (PA_SOURCE_IS_LINKED(s->state)) {
1076 pa_usec_t r[2] = { 0, 0 };
1078 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
1080 *min_latency = r[0];
1081 *max_latency = r[1];
1083 *min_latency = s->thread_info.min_latency;
1084 *max_latency = s->thread_info.max_latency;
1088 /* Called from IO thread */
1089 void pa_source_update_latency_range(pa_source *s, pa_usec_t min_latency, pa_usec_t max_latency) {
1090 pa_source_output *o;
1093 pa_source_assert_ref(s);
1095 s->thread_info.min_latency = min_latency;
1096 s->thread_info.max_latency = max_latency;
1098 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
1099 if (o->update_source_latency_range)
1100 o->update_source_latency_range(o);
1102 pa_source_invalidate_requested_latency(s);
1105 size_t pa_source_get_max_rewind(pa_source *s) {
1107 pa_source_assert_ref(s);
1109 if (!PA_SOURCE_IS_LINKED(s->state))
1110 return s->thread_info.max_rewind;
1112 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0);