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];
126 pa_assert(data->name);
128 s = pa_msgobject_new(pa_source);
130 if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SOURCE, s, data->namereg_fail))) {
135 pa_source_new_data_set_name(data, name);
137 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_NEW], data) < 0) {
139 pa_namereg_unregister(core, name);
143 pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver));
144 pa_return_null_if_fail(data->name && pa_utf8_valid(data->name) && data->name[0]);
146 pa_return_null_if_fail(data->sample_spec_is_set && pa_sample_spec_valid(&data->sample_spec));
148 if (!data->channel_map_is_set)
149 pa_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT));
151 pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map));
152 pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels);
154 if (!data->volume_is_set)
155 pa_cvolume_reset(&data->volume, data->sample_spec.channels);
157 pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
158 pa_return_null_if_fail(data->volume.channels == data->sample_spec.channels);
160 if (!data->muted_is_set)
164 pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->card->proplist);
166 pa_device_init_description(data->proplist);
167 pa_device_init_icon(data->proplist, FALSE);
169 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_FIXATE], data) < 0) {
171 pa_namereg_unregister(core, name);
175 s->parent.parent.free = source_free;
176 s->parent.process_msg = pa_source_process_msg;
179 s->state = PA_SOURCE_INIT;
181 s->name = pa_xstrdup(name);
182 s->proplist = pa_proplist_copy(data->proplist);
183 s->driver = pa_xstrdup(pa_path_get_filename(data->driver));
184 s->module = data->module;
185 s->card = data->card;
187 s->sample_spec = data->sample_spec;
188 s->channel_map = data->channel_map;
190 s->outputs = pa_idxset_new(NULL, NULL);
192 s->monitor_of = NULL;
194 s->virtual_volume = data->volume;
195 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
196 s->base_volume = PA_VOLUME_NORM;
197 s->n_volume_steps = PA_VOLUME_NORM+1;
198 s->muted = data->muted;
199 s->refresh_volume = s->refresh_muted = FALSE;
207 pa_silence_memchunk_get(
208 &core->silence_cache,
214 s->thread_info.outputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
215 s->thread_info.soft_volume = s->soft_volume;
216 s->thread_info.soft_muted = s->muted;
217 s->thread_info.state = s->state;
218 s->thread_info.max_rewind = 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->sources, s, &s->index) >= 0);
227 pa_assert_se(pa_idxset_put(s->card->sources, s, NULL) >= 0);
229 pt = pa_proplist_to_string_sep(s->proplist, "\n ");
230 pa_log_info("Created source %u \"%s\" with sample spec %s and channel map %s\n %s",
233 pa_sample_spec_snprint(st, sizeof(st), &s->sample_spec),
234 pa_channel_map_snprint(cm, sizeof(cm), &s->channel_map),
241 /* Called from main context */
242 static int source_set_state(pa_source *s, pa_source_state_t state) {
244 pa_bool_t suspend_change;
245 pa_source_state_t original_state;
249 if (s->state == state)
252 original_state = s->state;
255 (original_state == PA_SOURCE_SUSPENDED && PA_SOURCE_IS_OPENED(state)) ||
256 (PA_SOURCE_IS_OPENED(original_state) && state == PA_SOURCE_SUSPENDED);
259 if ((ret = s->set_state(s, state)) < 0)
263 if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
266 s->set_state(s, original_state);
273 if (state != PA_SOURCE_UNLINKED) { /* if we enter UNLINKED state pa_source_unlink() will fire the apropriate events */
274 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_STATE_CHANGED], s);
275 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
278 if (suspend_change) {
282 /* We're suspending or resuming, tell everyone about it */
284 for (o = PA_SOURCE_OUTPUT(pa_idxset_first(s->outputs, &idx)); o; o = PA_SOURCE_OUTPUT(pa_idxset_next(s->outputs, &idx)))
285 if (s->state == PA_SOURCE_SUSPENDED &&
286 (o->flags & PA_SOURCE_OUTPUT_FAIL_ON_SUSPEND))
287 pa_source_output_kill(o);
289 o->suspend(o, state == PA_SOURCE_SUSPENDED);
296 /* Called from main context */
297 void pa_source_put(pa_source *s) {
298 pa_source_assert_ref(s);
300 pa_assert(s->state == PA_SOURCE_INIT);
302 /* The following fields must be initialized properly when calling _put() */
303 pa_assert(s->asyncmsgq);
304 pa_assert(s->rtpoll);
305 pa_assert(!s->thread_info.min_latency || !s->thread_info.max_latency ||
306 s->thread_info.min_latency <= s->thread_info.max_latency);
308 if (!(s->flags & PA_SOURCE_HW_VOLUME_CTRL)) {
309 s->flags |= PA_SOURCE_DECIBEL_VOLUME;
311 s->thread_info.soft_volume = s->soft_volume;
312 s->thread_info.soft_muted = s->muted;
315 if (s->flags & PA_SOURCE_DECIBEL_VOLUME)
316 s->n_volume_steps = PA_VOLUME_NORM+1;
318 pa_assert_se(source_set_state(s, PA_SOURCE_IDLE) == 0);
320 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_NEW, s->index);
321 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_PUT], s);
324 /* Called from main context */
325 void pa_source_unlink(pa_source *s) {
327 pa_source_output *o, *j = NULL;
331 /* See pa_sink_unlink() for a couple of comments how this function
334 linked = PA_SOURCE_IS_LINKED(s->state);
337 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK], s);
339 if (s->state != PA_SOURCE_UNLINKED)
340 pa_namereg_unregister(s->core, s->name);
341 pa_idxset_remove_by_data(s->core->sources, s, NULL);
344 pa_idxset_remove_by_data(s->card->sources, s, NULL);
346 while ((o = pa_idxset_first(s->outputs, NULL))) {
348 pa_source_output_kill(o);
353 source_set_state(s, PA_SOURCE_UNLINKED);
355 s->state = PA_SOURCE_UNLINKED;
360 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
361 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK_POST], s);
365 /* Called from main context */
366 static void source_free(pa_object *o) {
367 pa_source_output *so;
368 pa_source *s = PA_SOURCE(o);
371 pa_assert(pa_source_refcnt(s) == 0);
373 if (PA_SOURCE_IS_LINKED(s->state))
376 pa_log_info("Freeing source %u \"%s\"", s->index, s->name);
378 pa_idxset_free(s->outputs, NULL, NULL);
380 while ((so = pa_hashmap_steal_first(s->thread_info.outputs)))
381 pa_source_output_unref(so);
383 pa_hashmap_free(s->thread_info.outputs, NULL, NULL);
385 if (s->silence.memblock)
386 pa_memblock_unref(s->silence.memblock);
392 pa_proplist_free(s->proplist);
397 /* Called from main context */
398 void pa_source_set_asyncmsgq(pa_source *s, pa_asyncmsgq *q) {
399 pa_source_assert_ref(s);
404 /* Called from main context */
405 void pa_source_set_rtpoll(pa_source *s, pa_rtpoll *p) {
406 pa_source_assert_ref(s);
411 /* Called from main context */
412 int pa_source_update_status(pa_source*s) {
413 pa_source_assert_ref(s);
414 pa_assert(PA_SOURCE_IS_LINKED(s->state));
416 if (s->state == PA_SOURCE_SUSPENDED)
419 return source_set_state(s, pa_source_used_by(s) ? PA_SOURCE_RUNNING : PA_SOURCE_IDLE);
422 /* Called from main context */
423 int pa_source_suspend(pa_source *s, pa_bool_t suspend) {
424 pa_source_assert_ref(s);
425 pa_assert(PA_SOURCE_IS_LINKED(s->state));
428 return source_set_state(s, PA_SOURCE_SUSPENDED);
430 return source_set_state(s, pa_source_used_by(s) ? PA_SOURCE_RUNNING : PA_SOURCE_IDLE);
433 /* Called from main context */
434 pa_queue *pa_source_move_all_start(pa_source *s) {
436 pa_source_output *o, *n;
439 pa_source_assert_ref(s);
440 pa_assert(PA_SOURCE_IS_LINKED(s->state));
444 for (o = PA_SOURCE_OUTPUT(pa_idxset_first(s->outputs, &idx)); o; o = n) {
445 n = PA_SOURCE_OUTPUT(pa_idxset_next(s->outputs, &idx));
447 if (pa_source_output_start_move(o) >= 0)
448 pa_queue_push(q, pa_source_output_ref(o));
454 /* Called from main context */
455 void pa_source_move_all_finish(pa_source *s, pa_queue *q, pa_bool_t save) {
458 pa_source_assert_ref(s);
459 pa_assert(PA_SOURCE_IS_LINKED(s->state));
462 while ((o = PA_SOURCE_OUTPUT(pa_queue_pop(q)))) {
463 if (pa_source_output_finish_move(o, s, save) < 0)
464 pa_source_output_kill(o);
466 pa_source_output_unref(o);
469 pa_queue_free(q, NULL, NULL);
472 /* Called from main context */
473 void pa_source_move_all_fail(pa_queue *q) {
477 while ((o = PA_SOURCE_OUTPUT(pa_queue_pop(q)))) {
478 if (pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FAIL], o) == PA_HOOK_OK) {
479 pa_source_output_kill(o);
480 pa_source_output_unref(o);
484 pa_queue_free(q, NULL, NULL);
487 /* Called from IO thread context */
488 void pa_source_process_rewind(pa_source *s, size_t nbytes) {
492 pa_source_assert_ref(s);
493 pa_assert(PA_SOURCE_IS_LINKED(s->thread_info.state));
495 if (s->thread_info.state == PA_SOURCE_SUSPENDED)
501 pa_log_debug("Processing rewind...");
503 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) {
504 pa_source_output_assert_ref(o);
505 pa_source_output_process_rewind(o, nbytes);
509 /* Called from IO thread context */
510 void pa_source_post(pa_source*s, const pa_memchunk *chunk) {
514 pa_source_assert_ref(s);
515 pa_assert(PA_SOURCE_IS_LINKED(s->thread_info.state));
518 if (s->thread_info.state == PA_SOURCE_SUSPENDED)
521 if (s->thread_info.soft_muted || !pa_cvolume_is_norm(&s->thread_info.soft_volume)) {
522 pa_memchunk vchunk = *chunk;
524 pa_memblock_ref(vchunk.memblock);
525 pa_memchunk_make_writable(&vchunk, 0);
527 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&s->thread_info.soft_volume))
528 pa_silence_memchunk(&vchunk, &s->sample_spec);
530 pa_volume_memchunk(&vchunk, &s->sample_spec, &s->thread_info.soft_volume);
532 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) {
533 pa_source_output_assert_ref(o);
535 if (!o->thread_info.direct_on_input)
536 pa_source_output_push(o, &vchunk);
539 pa_memblock_unref(vchunk.memblock);
542 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL))) {
543 pa_source_output_assert_ref(o);
545 if (!o->thread_info.direct_on_input)
546 pa_source_output_push(o, chunk);
551 /* Called from IO thread context */
552 void pa_source_post_direct(pa_source*s, pa_source_output *o, const pa_memchunk *chunk) {
553 pa_source_assert_ref(s);
554 pa_assert(PA_SOURCE_IS_LINKED(s->thread_info.state));
555 pa_source_output_assert_ref(o);
556 pa_assert(o->thread_info.direct_on_input);
559 if (s->thread_info.state == PA_SOURCE_SUSPENDED)
562 if (s->thread_info.soft_muted || !pa_cvolume_is_norm(&s->thread_info.soft_volume)) {
563 pa_memchunk vchunk = *chunk;
565 pa_memblock_ref(vchunk.memblock);
566 pa_memchunk_make_writable(&vchunk, 0);
568 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&s->thread_info.soft_volume))
569 pa_silence_memchunk(&vchunk, &s->sample_spec);
571 pa_volume_memchunk(&vchunk, &s->sample_spec, &s->thread_info.soft_volume);
573 pa_source_output_push(o, &vchunk);
575 pa_memblock_unref(vchunk.memblock);
577 pa_source_output_push(o, chunk);
580 /* Called from main thread */
581 pa_usec_t pa_source_get_latency(pa_source *s) {
584 pa_source_assert_ref(s);
585 pa_assert(PA_SOURCE_IS_LINKED(s->state));
587 if (s->state == PA_SOURCE_SUSPENDED)
590 if (!(s->flags & PA_SOURCE_LATENCY))
593 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
598 /* Called from main thread */
599 void pa_source_set_volume(pa_source *s, const pa_cvolume *volume) {
600 pa_cvolume old_virtual_volume;
601 pa_bool_t virtual_volume_changed;
603 pa_source_assert_ref(s);
604 pa_assert(PA_SOURCE_IS_LINKED(s->state));
606 pa_assert(pa_cvolume_valid(volume));
607 pa_assert(pa_cvolume_compatible(volume, &s->sample_spec));
609 old_virtual_volume = s->virtual_volume;
610 s->virtual_volume = *volume;
611 virtual_volume_changed = !pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume);
614 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
617 s->soft_volume = s->virtual_volume;
619 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
621 if (virtual_volume_changed)
622 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
625 /* Called from main thread. Only to be called by source implementor */
626 void pa_source_set_soft_volume(pa_source *s, const pa_cvolume *volume) {
627 pa_source_assert_ref(s);
630 if (PA_SOURCE_IS_LINKED(s->state))
631 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
633 s->thread_info.soft_volume = *volume;
636 /* Called from main thread */
637 const pa_cvolume *pa_source_get_volume(pa_source *s, pa_bool_t force_refresh) {
638 pa_source_assert_ref(s);
639 pa_assert(PA_SOURCE_IS_LINKED(s->state));
641 if (s->refresh_volume || force_refresh) {
642 pa_cvolume old_virtual_volume = s->virtual_volume;
647 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_VOLUME, NULL, 0, NULL) == 0);
649 if (!pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume))
650 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
653 return &s->virtual_volume;
656 /* Called from main thread */
657 void pa_source_set_mute(pa_source *s, pa_bool_t mute) {
660 pa_source_assert_ref(s);
661 pa_assert(PA_SOURCE_IS_LINKED(s->state));
663 old_muted = s->muted;
669 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
671 if (old_muted != s->muted)
672 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
675 /* Called from main thread */
676 pa_bool_t pa_source_get_mute(pa_source *s, pa_bool_t force_refresh) {
678 pa_source_assert_ref(s);
679 pa_assert(PA_SOURCE_IS_LINKED(s->state));
681 if (s->refresh_muted || force_refresh) {
682 pa_bool_t old_muted = s->muted;
687 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_MUTE, NULL, 0, NULL) == 0);
689 if (old_muted != s->muted)
690 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
696 /* Called from main thread */
697 pa_bool_t pa_source_update_proplist(pa_source *s, pa_update_mode_t mode, pa_proplist *p) {
698 pa_source_assert_ref(s);
701 pa_proplist_update(s->proplist, mode, p);
703 if (PA_SOURCE_IS_LINKED(s->state)) {
704 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED], s);
705 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
711 /* Called from main thread */
712 void pa_source_set_description(pa_source *s, const char *description) {
714 pa_source_assert_ref(s);
716 if (!description && !pa_proplist_contains(s->proplist, PA_PROP_DEVICE_DESCRIPTION))
719 old = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
721 if (old && description && !strcmp(old, description))
725 pa_proplist_sets(s->proplist, PA_PROP_DEVICE_DESCRIPTION, description);
727 pa_proplist_unset(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
729 if (PA_SOURCE_IS_LINKED(s->state)) {
730 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
731 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED], s);
735 /* Called from main thread */
736 unsigned pa_source_linked_by(pa_source *s) {
737 pa_source_assert_ref(s);
738 pa_assert(PA_SOURCE_IS_LINKED(s->state));
740 return pa_idxset_size(s->outputs);
743 /* Called from main thread */
744 unsigned pa_source_used_by(pa_source *s) {
747 pa_source_assert_ref(s);
748 pa_assert(PA_SOURCE_IS_LINKED(s->state));
750 ret = pa_idxset_size(s->outputs);
751 pa_assert(ret >= s->n_corked);
753 return ret - s->n_corked;
756 /* Called from main thread */
757 unsigned pa_source_check_suspend(pa_source *s) {
762 pa_source_assert_ref(s);
764 if (!PA_SOURCE_IS_LINKED(s->state))
769 for (o = PA_SOURCE_OUTPUT(pa_idxset_first(s->outputs, &idx)); o; o = PA_SOURCE_OUTPUT(pa_idxset_next(s->outputs, &idx))) {
770 pa_source_output_state_t st;
772 st = pa_source_output_get_state(o);
773 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(st));
775 if (st == PA_SOURCE_OUTPUT_CORKED)
778 if (o->flags & PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND)
787 /* Called from IO thread, except when it is not */
788 int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
789 pa_source *s = PA_SOURCE(object);
790 pa_source_assert_ref(s);
792 switch ((pa_source_message_t) code) {
794 case PA_SOURCE_MESSAGE_ADD_OUTPUT: {
795 pa_source_output *o = PA_SOURCE_OUTPUT(userdata);
797 pa_hashmap_put(s->thread_info.outputs, PA_UINT32_TO_PTR(o->index), pa_source_output_ref(o));
799 if (o->direct_on_input) {
800 o->thread_info.direct_on_input = o->direct_on_input;
801 pa_hashmap_put(o->thread_info.direct_on_input->thread_info.direct_outputs, PA_UINT32_TO_PTR(o->index), o);
804 pa_assert(!o->thread_info.attached);
805 o->thread_info.attached = TRUE;
810 pa_source_output_set_state_within_thread(o, o->state);
812 if (o->thread_info.requested_source_latency != (pa_usec_t) -1)
813 pa_source_output_set_requested_latency_within_thread(o, o->thread_info.requested_source_latency);
815 pa_source_output_update_max_rewind(o, s->thread_info.max_rewind);
817 /* We don't just invalidate the requested latency here,
818 * because if we are in a move we might need to fix up the
819 * requested latency. */
820 pa_source_output_set_requested_latency_within_thread(o, o->thread_info.requested_source_latency);
825 case PA_SOURCE_MESSAGE_REMOVE_OUTPUT: {
826 pa_source_output *o = PA_SOURCE_OUTPUT(userdata);
828 pa_source_output_set_state_within_thread(o, o->state);
833 pa_assert(o->thread_info.attached);
834 o->thread_info.attached = FALSE;
836 if (o->thread_info.direct_on_input) {
837 pa_hashmap_remove(o->thread_info.direct_on_input->thread_info.direct_outputs, PA_UINT32_TO_PTR(o->index));
838 o->thread_info.direct_on_input = NULL;
841 if (pa_hashmap_remove(s->thread_info.outputs, PA_UINT32_TO_PTR(o->index)))
842 pa_source_output_unref(o);
844 pa_source_invalidate_requested_latency(s);
849 case PA_SOURCE_MESSAGE_SET_VOLUME:
850 s->thread_info.soft_volume = s->soft_volume;
853 case PA_SOURCE_MESSAGE_GET_VOLUME:
856 case PA_SOURCE_MESSAGE_SET_MUTE:
857 s->thread_info.soft_muted = s->muted;
860 case PA_SOURCE_MESSAGE_GET_MUTE:
863 case PA_SOURCE_MESSAGE_SET_STATE:
864 s->thread_info.state = PA_PTR_TO_UINT(userdata);
867 case PA_SOURCE_MESSAGE_DETACH:
869 /* Detach all streams */
870 pa_source_detach_within_thread(s);
873 case PA_SOURCE_MESSAGE_ATTACH:
875 /* Reattach all streams */
876 pa_source_attach_within_thread(s);
879 case PA_SOURCE_MESSAGE_GET_REQUESTED_LATENCY: {
881 pa_usec_t *usec = userdata;
882 *usec = pa_source_get_requested_latency_within_thread(s);
884 if (*usec == (pa_usec_t) -1)
885 *usec = s->thread_info.max_latency;
890 case PA_SOURCE_MESSAGE_SET_LATENCY_RANGE: {
891 pa_usec_t *r = userdata;
893 pa_source_update_latency_range(s, r[0], r[1]);
898 case PA_SOURCE_MESSAGE_GET_LATENCY_RANGE: {
899 pa_usec_t *r = userdata;
901 r[0] = s->thread_info.min_latency;
902 r[1] = s->thread_info.max_latency;
907 case PA_SOURCE_MESSAGE_GET_MAX_REWIND:
909 *((size_t*) userdata) = s->thread_info.max_rewind;
912 case PA_SOURCE_MESSAGE_GET_LATENCY:
915 *((pa_usec_t*) userdata) = 0;
919 /* Implementors need to overwrite this implementation! */
922 case PA_SOURCE_MESSAGE_MAX:
929 /* Called from main thread */
930 int pa_source_suspend_all(pa_core *c, pa_bool_t suspend) {
935 pa_core_assert_ref(c);
937 for (source = PA_SOURCE(pa_idxset_first(c->sources, &idx)); source; source = PA_SOURCE(pa_idxset_next(c->sources, &idx)))
938 ret -= pa_source_suspend(source, suspend) < 0;
943 /* Called from main thread */
944 void pa_source_detach(pa_source *s) {
945 pa_source_assert_ref(s);
946 pa_assert(PA_SOURCE_IS_LINKED(s->state));
948 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_DETACH, NULL, 0, NULL) == 0);
951 /* Called from main thread */
952 void pa_source_attach(pa_source *s) {
953 pa_source_assert_ref(s);
954 pa_assert(PA_SOURCE_IS_LINKED(s->state));
956 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_ATTACH, NULL, 0, NULL) == 0);
959 /* Called from IO thread */
960 void pa_source_detach_within_thread(pa_source *s) {
964 pa_source_assert_ref(s);
965 pa_assert(PA_SOURCE_IS_LINKED(s->thread_info.state));
967 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
972 /* Called from IO thread */
973 void pa_source_attach_within_thread(pa_source *s) {
977 pa_source_assert_ref(s);
978 pa_assert(PA_SOURCE_IS_LINKED(s->thread_info.state));
980 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
985 /* Called from IO thread */
986 pa_usec_t pa_source_get_requested_latency_within_thread(pa_source *s) {
987 pa_usec_t result = (pa_usec_t) -1;
991 pa_source_assert_ref(s);
993 if (s->thread_info.requested_latency_valid)
994 return s->thread_info.requested_latency;
996 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
998 if (o->thread_info.requested_source_latency != (pa_usec_t) -1 &&
999 (result == (pa_usec_t) -1 || result > o->thread_info.requested_source_latency))
1000 result = o->thread_info.requested_source_latency;
1002 if (result != (pa_usec_t) -1) {
1003 if (s->thread_info.max_latency > 0 && result > s->thread_info.max_latency)
1004 result = s->thread_info.max_latency;
1006 if (s->thread_info.min_latency > 0 && result < s->thread_info.min_latency)
1007 result = s->thread_info.min_latency;
1010 s->thread_info.requested_latency = result;
1011 s->thread_info.requested_latency_valid = TRUE;
1016 /* Called from main thread */
1017 pa_usec_t pa_source_get_requested_latency(pa_source *s) {
1020 pa_source_assert_ref(s);
1021 pa_assert(PA_SOURCE_IS_LINKED(s->state));
1023 if (s->state == PA_SOURCE_SUSPENDED)
1026 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
1031 /* Called from IO thread */
1032 void pa_source_set_max_rewind(pa_source *s, size_t max_rewind) {
1033 pa_source_output *o;
1036 pa_source_assert_ref(s);
1038 if (max_rewind == s->thread_info.max_rewind)
1041 s->thread_info.max_rewind = max_rewind;
1043 if (PA_SOURCE_IS_LINKED(s->thread_info.state)) {
1044 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
1045 pa_source_output_update_max_rewind(o, s->thread_info.max_rewind);
1049 void pa_source_invalidate_requested_latency(pa_source *s) {
1050 pa_source_output *o;
1053 pa_source_assert_ref(s);
1055 s->thread_info.requested_latency_valid = FALSE;
1057 if (s->update_requested_latency)
1058 s->update_requested_latency(s);
1060 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
1061 if (o->update_source_requested_latency)
1062 o->update_source_requested_latency(o);
1065 pa_sink_invalidate_requested_latency(s->monitor_of);
1068 void pa_source_set_latency_range(pa_source *s, pa_usec_t min_latency, pa_usec_t max_latency) {
1069 pa_source_assert_ref(s);
1071 /* min_latency == 0: no limit
1072 * min_latency == (size_t) -1: default limit
1073 * min_latency anything else: specified limit
1075 * Similar for max_latency */
1077 if (min_latency == (pa_usec_t) -1)
1078 min_latency = DEFAULT_MIN_LATENCY;
1080 if (max_latency == (pa_usec_t) -1)
1081 max_latency = min_latency;
1083 pa_assert(!min_latency || !max_latency ||
1084 min_latency <= max_latency);
1086 if (PA_SOURCE_IS_LINKED(s->state)) {
1092 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0);
1094 s->thread_info.min_latency = min_latency;
1095 s->thread_info.max_latency = max_latency;
1097 s->thread_info.requested_latency_valid = FALSE;
1101 void pa_source_get_latency_range(pa_source *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
1102 pa_source_assert_ref(s);
1103 pa_assert(min_latency);
1104 pa_assert(max_latency);
1106 if (PA_SOURCE_IS_LINKED(s->state)) {
1107 pa_usec_t r[2] = { 0, 0 };
1109 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
1111 *min_latency = r[0];
1112 *max_latency = r[1];
1114 *min_latency = s->thread_info.min_latency;
1115 *max_latency = s->thread_info.max_latency;
1119 /* Called from IO thread */
1120 void pa_source_update_latency_range(pa_source *s, pa_usec_t min_latency, pa_usec_t max_latency) {
1121 pa_source_output *o;
1124 pa_source_assert_ref(s);
1126 pa_assert(!min_latency || !max_latency ||
1127 min_latency <= max_latency);
1129 s->thread_info.min_latency = min_latency;
1130 s->thread_info.max_latency = max_latency;
1132 while ((o = pa_hashmap_iterate(s->thread_info.outputs, &state, NULL)))
1133 if (o->update_source_latency_range)
1134 o->update_source_latency_range(o);
1136 pa_source_invalidate_requested_latency(s);
1139 size_t pa_source_get_max_rewind(pa_source *s) {
1141 pa_source_assert_ref(s);
1143 if (!PA_SOURCE_IS_LINKED(s->state))
1144 return s->thread_info.max_rewind;
1146 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0);