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 2.1 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, see <http://www.gnu.org/licenses/>.
32 #include <pulse/introspect.h>
33 #include <pulse/format.h>
34 #include <pulse/utf8.h>
35 #include <pulse/xmalloc.h>
36 #include <pulse/timeval.h>
37 #include <pulse/util.h>
38 #include <pulse/rtclock.h>
39 #include <pulse/internal.h>
41 #include <pulsecore/i18n.h>
42 #include <pulsecore/sink-input.h>
43 #include <pulsecore/namereg.h>
44 #include <pulsecore/core-util.h>
45 #include <pulsecore/sample-util.h>
46 #include <pulsecore/mix.h>
47 #include <pulsecore/core-subscribe.h>
48 #include <pulsecore/log.h>
49 #include <pulsecore/macro.h>
50 #include <pulsecore/play-memblockq.h>
51 #include <pulsecore/flist.h>
55 #define MAX_MIX_CHANNELS 32
56 #define MIX_BUFFER_LENGTH (pa_page_size())
57 #define ABSOLUTE_MIN_LATENCY (500)
58 #define ABSOLUTE_MAX_LATENCY (10*PA_USEC_PER_SEC)
59 #define DEFAULT_FIXED_LATENCY (250*PA_USEC_PER_MSEC)
61 PA_DEFINE_PUBLIC_CLASS(pa_sink, pa_msgobject);
63 struct pa_sink_volume_change {
67 PA_LLIST_FIELDS(pa_sink_volume_change);
70 struct sink_message_set_port {
75 static void sink_free(pa_object *s);
77 static void pa_sink_volume_change_push(pa_sink *s);
78 static void pa_sink_volume_change_flush(pa_sink *s);
79 static void pa_sink_volume_change_rewind(pa_sink *s, size_t nbytes);
82 static void pa_sink_write_pcm_dump(pa_sink *s, pa_memchunk *chunk)
84 char *dump_time = NULL, *dump_path_surfix = NULL;
85 const char *s_device_api_str, *card_name_str, *device_idx_str;
90 /* open file for dump pcm */
91 if (s->core->pcm_dump & PA_PCM_DUMP_PA_SINK && !s->pcm_dump_fp && s->state == PA_SINK_RUNNING) {
92 pa_gettimeofday(&now);
93 localtime_r(&now.tv_sec, &tm);
94 memset(&datetime[0], 0x00, sizeof(datetime));
95 strftime(&datetime[0], sizeof(datetime), "%H%M%S", &tm);
96 dump_time = pa_sprintf_malloc("%s.%03ld", &datetime[0], now.tv_usec / 1000);
98 if ((s_device_api_str = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_API))) {
99 if (pa_streq(s_device_api_str, "alsa")) {
100 card_name_str = pa_proplist_gets(s->proplist, "alsa.card_name");
101 device_idx_str = pa_proplist_gets(s->proplist, "alsa.device");
102 dump_path_surfix = pa_sprintf_malloc("%s.%s", pa_strnull(card_name_str), pa_strnull(device_idx_str));
104 dump_path_surfix = pa_sprintf_malloc("%s", s_device_api_str);
107 dump_path_surfix = pa_sprintf_malloc("%s", s->name);
110 s->dump_path = pa_sprintf_malloc("%s_%s_pa-sink%d-%s_%dch_%d.raw", PA_PCM_DUMP_PATH_PREFIX, pa_strempty(dump_time),
111 s->index, pa_strempty(dump_path_surfix), s->sample_spec.channels, s->sample_spec.rate);
113 s->pcm_dump_fp = fopen(s->dump_path, "w");
115 pa_log_warn("%s open failed", s->dump_path);
117 pa_log_info("%s opened", s->dump_path);
120 pa_xfree(dump_path_surfix);
121 /* close file for dump pcm when config is changed */
122 } else if (~s->core->pcm_dump & PA_PCM_DUMP_PA_SINK && s->pcm_dump_fp) {
123 fclose(s->pcm_dump_fp);
124 pa_log_info("%s closed", s->dump_path);
125 pa_xfree(s->dump_path);
126 s->pcm_dump_fp = NULL;
130 if (s->pcm_dump_fp) {
133 ptr = pa_memblock_acquire(chunk->memblock);
135 fwrite((uint8_t *)ptr + chunk->index, 1, chunk->length, s->pcm_dump_fp);
137 pa_log_warn("pa_memblock_acquire is failed. ptr is NULL");
139 pa_memblock_release(chunk->memblock);
144 pa_sink_new_data* pa_sink_new_data_init(pa_sink_new_data *data) {
148 data->proplist = pa_proplist_new();
149 data->ports = pa_hashmap_new_full(pa_idxset_string_hash_func, pa_idxset_string_compare_func, NULL, (pa_free_cb_t) pa_device_port_unref);
154 void pa_sink_new_data_set_name(pa_sink_new_data *data, const char *name) {
157 pa_xfree(data->name);
158 data->name = pa_xstrdup(name);
161 void pa_sink_new_data_set_sample_spec(pa_sink_new_data *data, const pa_sample_spec *spec) {
164 if ((data->sample_spec_is_set = !!spec))
165 data->sample_spec = *spec;
168 void pa_sink_new_data_set_channel_map(pa_sink_new_data *data, const pa_channel_map *map) {
171 if ((data->channel_map_is_set = !!map))
172 data->channel_map = *map;
175 void pa_sink_new_data_set_alternate_sample_rate(pa_sink_new_data *data, const uint32_t alternate_sample_rate) {
178 data->alternate_sample_rate_is_set = true;
179 data->alternate_sample_rate = alternate_sample_rate;
182 void pa_sink_new_data_set_volume(pa_sink_new_data *data, const pa_cvolume *volume) {
185 if ((data->volume_is_set = !!volume))
186 data->volume = *volume;
189 void pa_sink_new_data_set_muted(pa_sink_new_data *data, bool mute) {
192 data->muted_is_set = true;
196 void pa_sink_new_data_set_port(pa_sink_new_data *data, const char *port) {
199 pa_xfree(data->active_port);
200 data->active_port = pa_xstrdup(port);
203 void pa_sink_new_data_done(pa_sink_new_data *data) {
206 pa_proplist_free(data->proplist);
209 pa_hashmap_free(data->ports);
211 pa_xfree(data->name);
212 pa_xfree(data->active_port);
215 /* Called from main context */
216 static void reset_callbacks(pa_sink *s) {
220 s->get_volume = NULL;
221 s->set_volume = NULL;
222 s->write_volume = NULL;
225 s->request_rewind = NULL;
226 s->update_requested_latency = NULL;
228 s->get_formats = NULL;
229 s->set_formats = NULL;
230 s->reconfigure = NULL;
233 /* Called from main context */
234 pa_sink* pa_sink_new(
236 pa_sink_new_data *data,
237 pa_sink_flags_t flags) {
241 char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
242 pa_source_new_data source_data;
248 pa_assert(data->name);
249 pa_assert_ctl_context();
251 s = pa_msgobject_new(pa_sink);
253 if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SINK, s, data->namereg_fail))) {
254 pa_log_debug("Failed to register name %s.", data->name);
259 pa_sink_new_data_set_name(data, name);
261 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_NEW], data) < 0) {
263 pa_namereg_unregister(core, name);
267 /* FIXME, need to free s here on failure */
269 pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver));
270 pa_return_null_if_fail(data->name && pa_utf8_valid(data->name) && data->name[0]);
272 pa_return_null_if_fail(data->sample_spec_is_set && pa_sample_spec_valid(&data->sample_spec));
274 if (!data->channel_map_is_set)
275 pa_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT));
277 pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map));
278 pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels);
280 /* FIXME: There should probably be a general function for checking whether
281 * the sink volume is allowed to be set, like there is for sink inputs. */
282 pa_assert(!data->volume_is_set || !(flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
284 if (!data->volume_is_set) {
285 pa_cvolume_reset(&data->volume, data->sample_spec.channels);
286 data->save_volume = false;
289 pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
290 pa_return_null_if_fail(pa_cvolume_compatible(&data->volume, &data->sample_spec));
292 if (!data->muted_is_set)
296 pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->card->proplist);
298 pa_device_init_description(data->proplist, data->card);
299 pa_device_init_icon(data->proplist, true);
300 pa_device_init_intended_roles(data->proplist);
302 if (!data->active_port) {
303 pa_device_port *p = pa_device_port_find_best(data->ports);
305 pa_sink_new_data_set_port(data, p->name);
308 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_FIXATE], data) < 0) {
310 pa_namereg_unregister(core, name);
314 s->parent.parent.free = sink_free;
315 s->parent.process_msg = pa_sink_process_msg;
318 s->state = PA_SINK_INIT;
321 s->suspend_cause = data->suspend_cause;
322 pa_sink_set_mixer_dirty(s, false);
323 s->name = pa_xstrdup(name);
324 s->proplist = pa_proplist_copy(data->proplist);
325 s->driver = pa_xstrdup(pa_path_get_filename(data->driver));
326 s->module = data->module;
327 s->card = data->card;
329 s->priority = pa_device_init_priority(s->proplist);
331 s->sample_spec = data->sample_spec;
332 s->channel_map = data->channel_map;
333 s->default_sample_rate = s->sample_spec.rate;
335 if (data->alternate_sample_rate_is_set)
336 s->alternate_sample_rate = data->alternate_sample_rate;
338 s->alternate_sample_rate = s->core->alternate_sample_rate;
340 s->avoid_resampling = data->avoid_resampling;
341 s->origin_avoid_resampling = data->avoid_resampling;
342 s->selected_sample_rate = s->default_sample_rate;
345 s->inputs = pa_idxset_new(NULL, NULL);
347 s->input_to_master = NULL;
349 s->reference_volume = s->real_volume = data->volume;
350 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
351 s->base_volume = PA_VOLUME_NORM;
352 s->n_volume_steps = PA_VOLUME_NORM+1;
353 s->muted = data->muted;
354 s->refresh_volume = s->refresh_muted = false;
361 /* As a minor optimization we just steal the list instead of
363 s->ports = data->ports;
366 s->active_port = NULL;
367 s->save_port = false;
369 if (data->active_port)
370 if ((s->active_port = pa_hashmap_get(s->ports, data->active_port)))
371 s->save_port = data->save_port;
373 /* Hopefully the active port has already been assigned in the previous call
374 to pa_device_port_find_best, but better safe than sorry */
376 s->active_port = pa_device_port_find_best(s->ports);
379 s->port_latency_offset = s->active_port->latency_offset;
381 s->port_latency_offset = 0;
383 s->save_volume = data->save_volume;
384 s->save_muted = data->save_muted;
385 #ifdef TIZEN_PCM_DUMP
386 s->pcm_dump_fp = NULL;
390 pa_silence_memchunk_get(
391 &core->silence_cache,
397 s->thread_info.rtpoll = NULL;
398 s->thread_info.inputs = pa_hashmap_new_full(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func, NULL,
399 (pa_free_cb_t) pa_sink_input_unref);
400 s->thread_info.soft_volume = s->soft_volume;
401 s->thread_info.soft_muted = s->muted;
402 s->thread_info.state = s->state;
403 s->thread_info.rewind_nbytes = 0;
404 s->thread_info.rewind_requested = false;
405 s->thread_info.max_rewind = 0;
406 s->thread_info.max_request = 0;
407 s->thread_info.requested_latency_valid = false;
408 s->thread_info.requested_latency = 0;
409 s->thread_info.min_latency = ABSOLUTE_MIN_LATENCY;
410 s->thread_info.max_latency = ABSOLUTE_MAX_LATENCY;
411 s->thread_info.fixed_latency = flags & PA_SINK_DYNAMIC_LATENCY ? 0 : DEFAULT_FIXED_LATENCY;
413 PA_LLIST_HEAD_INIT(pa_sink_volume_change, s->thread_info.volume_changes);
414 s->thread_info.volume_changes_tail = NULL;
415 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
416 s->thread_info.volume_change_safety_margin = core->deferred_volume_safety_margin_usec;
417 s->thread_info.volume_change_extra_delay = core->deferred_volume_extra_delay_usec;
418 s->thread_info.port_latency_offset = s->port_latency_offset;
420 /* FIXME: This should probably be moved to pa_sink_put() */
421 pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0);
424 pa_assert_se(pa_idxset_put(s->card->sinks, s, NULL) >= 0);
426 pt = pa_proplist_to_string_sep(s->proplist, "\n ");
427 pa_log_info("Created sink %u \"%s\" with sample spec %s and channel map %s\n %s",
430 pa_sample_spec_snprint(st, sizeof(st), &s->sample_spec),
431 pa_channel_map_snprint(cm, sizeof(cm), &s->channel_map),
435 pa_source_new_data_init(&source_data);
436 pa_source_new_data_set_sample_spec(&source_data, &s->sample_spec);
437 pa_source_new_data_set_channel_map(&source_data, &s->channel_map);
438 pa_source_new_data_set_alternate_sample_rate(&source_data, s->alternate_sample_rate);
439 source_data.name = pa_sprintf_malloc("%s.monitor", name);
440 source_data.driver = data->driver;
441 source_data.module = data->module;
442 source_data.card = data->card;
444 dn = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
445 pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Monitor of %s", dn ? dn : s->name);
446 pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "monitor");
448 s->monitor_source = pa_source_new(core, &source_data,
449 ((flags & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
450 ((flags & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0));
452 pa_source_new_data_done(&source_data);
454 if (!s->monitor_source) {
460 s->monitor_source->monitor_of = s;
462 pa_source_set_latency_range(s->monitor_source, s->thread_info.min_latency, s->thread_info.max_latency);
463 pa_source_set_fixed_latency(s->monitor_source, s->thread_info.fixed_latency);
464 pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
469 /* Called from main context */
470 static int sink_set_state(pa_sink *s, pa_sink_state_t state, pa_suspend_cause_t suspend_cause) {
473 bool suspend_cause_changed;
478 pa_assert_ctl_context();
480 state_changed = state != s->state;
481 suspend_cause_changed = suspend_cause != s->suspend_cause;
483 if (!state_changed && !suspend_cause_changed)
486 suspending = PA_SINK_IS_OPENED(s->state) && state == PA_SINK_SUSPENDED;
487 resuming = s->state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(state);
489 /* If we are resuming, suspend_cause must be 0. */
490 pa_assert(!resuming || !suspend_cause);
492 /* Here's something to think about: what to do with the suspend cause if
493 * resuming the sink fails? The old suspend cause will be incorrect, so we
494 * can't use that. On the other hand, if we set no suspend cause (as is the
495 * case currently), then it looks strange to have a sink suspended without
496 * any cause. It might be a good idea to add a new "resume failed" suspend
497 * cause, or it might just add unnecessary complexity, given that the
498 * current approach of not setting any suspend cause works well enough. */
500 if (s->set_state && state_changed) {
501 ret = s->set_state(s, state);
502 /* set_state() is allowed to fail only when resuming. */
503 pa_assert(ret >= 0 || resuming);
506 if (ret >= 0 && s->asyncmsgq && state_changed)
507 if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
508 /* SET_STATE is allowed to fail only when resuming. */
512 s->set_state(s, PA_SINK_SUSPENDED);
515 #ifdef TIZEN_PCM_DUMP
516 /* close file for dump pcm */
517 if (s->pcm_dump_fp && (s->core->pcm_dump_option & PA_PCM_DUMP_OPTION_SEPARATED) && suspending) {
518 fclose(s->pcm_dump_fp);
519 pa_log_info("%s closed", s->dump_path);
520 pa_xfree(s->dump_path);
521 s->pcm_dump_fp = NULL;
524 if (suspend_cause_changed) {
525 char old_cause_buf[PA_SUSPEND_CAUSE_TO_STRING_BUF_SIZE];
526 char new_cause_buf[PA_SUSPEND_CAUSE_TO_STRING_BUF_SIZE];
528 pa_log_debug("%s: suspend_cause: %s -> %s", s->name, pa_suspend_cause_to_string(s->suspend_cause, old_cause_buf),
529 pa_suspend_cause_to_string(suspend_cause, new_cause_buf));
530 s->suspend_cause = suspend_cause;
537 pa_log_debug("%s: state: %s -> %s", s->name, pa_sink_state_to_string(s->state), pa_sink_state_to_string(state));
540 /* If we enter UNLINKED state, then we don't send change notifications.
541 * pa_sink_unlink() will send unlink notifications instead. */
542 if (state != PA_SINK_UNLINKED) {
543 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], s);
544 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
548 if (suspending || resuming) {
552 /* We're suspending or resuming, tell everyone about it */
554 PA_IDXSET_FOREACH(i, s->inputs, idx)
555 if (s->state == PA_SINK_SUSPENDED &&
556 (i->flags & PA_SINK_INPUT_KILL_ON_SUSPEND))
557 pa_sink_input_kill(i);
559 i->suspend(i, state == PA_SINK_SUSPENDED);
563 if ((suspending || resuming || suspend_cause_changed) && s->monitor_source && state != PA_SINK_UNLINKED)
564 pa_source_sync_suspend(s->monitor_source);
569 void pa_sink_set_get_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
575 void pa_sink_set_set_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
576 pa_sink_flags_t flags;
579 pa_assert(!s->write_volume || cb);
583 /* Save the current flags so we can tell if they've changed */
587 /* The sink implementor is responsible for setting decibel volume support */
588 s->flags |= PA_SINK_HW_VOLUME_CTRL;
590 s->flags &= ~PA_SINK_HW_VOLUME_CTRL;
591 /* See note below in pa_sink_put() about volume sharing and decibel volumes */
592 pa_sink_enable_decibel_volume(s, !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
595 /* If the flags have changed after init, let any clients know via a change event */
596 if (s->state != PA_SINK_INIT && flags != s->flags)
597 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
600 void pa_sink_set_write_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
601 pa_sink_flags_t flags;
604 pa_assert(!cb || s->set_volume);
606 s->write_volume = cb;
608 /* Save the current flags so we can tell if they've changed */
612 s->flags |= PA_SINK_DEFERRED_VOLUME;
614 s->flags &= ~PA_SINK_DEFERRED_VOLUME;
616 /* If the flags have changed after init, let any clients know via a change event */
617 if (s->state != PA_SINK_INIT && flags != s->flags)
618 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
621 void pa_sink_set_get_mute_callback(pa_sink *s, pa_sink_get_mute_cb_t cb) {
627 void pa_sink_set_set_mute_callback(pa_sink *s, pa_sink_cb_t cb) {
628 pa_sink_flags_t flags;
634 /* Save the current flags so we can tell if they've changed */
638 s->flags |= PA_SINK_HW_MUTE_CTRL;
640 s->flags &= ~PA_SINK_HW_MUTE_CTRL;
642 /* If the flags have changed after init, let any clients know via a change event */
643 if (s->state != PA_SINK_INIT && flags != s->flags)
644 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
647 static void enable_flat_volume(pa_sink *s, bool enable) {
648 pa_sink_flags_t flags;
652 /* Always follow the overall user preference here */
653 enable = enable && s->core->flat_volumes;
655 /* Save the current flags so we can tell if they've changed */
659 s->flags |= PA_SINK_FLAT_VOLUME;
661 s->flags &= ~PA_SINK_FLAT_VOLUME;
663 /* If the flags have changed after init, let any clients know via a change event */
664 if (s->state != PA_SINK_INIT && flags != s->flags)
665 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
668 void pa_sink_enable_decibel_volume(pa_sink *s, bool enable) {
669 pa_sink_flags_t flags;
673 /* Save the current flags so we can tell if they've changed */
677 s->flags |= PA_SINK_DECIBEL_VOLUME;
678 enable_flat_volume(s, true);
680 s->flags &= ~PA_SINK_DECIBEL_VOLUME;
681 enable_flat_volume(s, false);
684 /* If the flags have changed after init, let any clients know via a change event */
685 if (s->state != PA_SINK_INIT && flags != s->flags)
686 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
689 /* Called from main context */
690 void pa_sink_put(pa_sink* s) {
691 pa_sink_assert_ref(s);
692 pa_assert_ctl_context();
694 pa_assert(s->state == PA_SINK_INIT);
695 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || pa_sink_is_filter(s));
697 /* The following fields must be initialized properly when calling _put() */
698 pa_assert(s->asyncmsgq);
699 pa_assert(s->thread_info.min_latency <= s->thread_info.max_latency);
701 /* Generally, flags should be initialized via pa_sink_new(). As a
702 * special exception we allow some volume related flags to be set
703 * between _new() and _put() by the callback setter functions above.
705 * Thus we implement a couple safeguards here which ensure the above
706 * setters were used (or at least the implementor made manual changes
707 * in a compatible way).
709 * Note: All of these flags set here can change over the life time
711 pa_assert(!(s->flags & PA_SINK_HW_VOLUME_CTRL) || s->set_volume);
712 pa_assert(!(s->flags & PA_SINK_DEFERRED_VOLUME) || s->write_volume);
713 pa_assert(!(s->flags & PA_SINK_HW_MUTE_CTRL) || s->set_mute);
715 /* XXX: Currently decibel volume is disabled for all sinks that use volume
716 * sharing. When the master sink supports decibel volume, it would be good
717 * to have the flag also in the filter sink, but currently we don't do that
718 * so that the flags of the filter sink never change when it's moved from
719 * a master sink to another. One solution for this problem would be to
720 * remove user-visible volume altogether from filter sinks when volume
721 * sharing is used, but the current approach was easier to implement... */
722 /* We always support decibel volumes in software, otherwise we leave it to
723 * the sink implementor to set this flag as needed.
725 * Note: This flag can also change over the life time of the sink. */
726 if (!(s->flags & PA_SINK_HW_VOLUME_CTRL) && !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
727 pa_sink_enable_decibel_volume(s, true);
728 s->soft_volume = s->reference_volume;
731 /* If the sink implementor support DB volumes by itself, we should always
732 * try and enable flat volumes too */
733 if ((s->flags & PA_SINK_DECIBEL_VOLUME))
734 enable_flat_volume(s, true);
736 if (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) {
737 pa_sink *root_sink = pa_sink_get_master(s);
739 pa_assert(root_sink);
741 s->reference_volume = root_sink->reference_volume;
742 pa_cvolume_remap(&s->reference_volume, &root_sink->channel_map, &s->channel_map);
744 s->real_volume = root_sink->real_volume;
745 pa_cvolume_remap(&s->real_volume, &root_sink->channel_map, &s->channel_map);
747 /* We assume that if the sink implementor changed the default
748 * volume he did so in real_volume, because that is the usual
749 * place where he is supposed to place his changes. */
750 s->reference_volume = s->real_volume;
752 s->thread_info.soft_volume = s->soft_volume;
753 s->thread_info.soft_muted = s->muted;
754 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
756 pa_assert((s->flags & PA_SINK_HW_VOLUME_CTRL)
757 || (s->base_volume == PA_VOLUME_NORM
758 && ((s->flags & PA_SINK_DECIBEL_VOLUME || (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)))));
759 pa_assert(!(s->flags & PA_SINK_DECIBEL_VOLUME) || s->n_volume_steps == PA_VOLUME_NORM+1);
760 pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == !(s->thread_info.fixed_latency == 0));
761 pa_assert(!(s->flags & PA_SINK_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_LATENCY));
762 pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_DYNAMIC_LATENCY));
764 pa_assert(s->monitor_source->thread_info.fixed_latency == s->thread_info.fixed_latency);
765 pa_assert(s->monitor_source->thread_info.min_latency == s->thread_info.min_latency);
766 pa_assert(s->monitor_source->thread_info.max_latency == s->thread_info.max_latency);
768 if (s->suspend_cause)
769 pa_assert_se(sink_set_state(s, PA_SINK_SUSPENDED, s->suspend_cause) == 0);
771 pa_assert_se(sink_set_state(s, PA_SINK_IDLE, 0) == 0);
773 pa_source_put(s->monitor_source);
775 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index);
776 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PUT], s);
778 /* This function must be called after the PA_CORE_HOOK_SINK_PUT hook,
779 * because module-switch-on-connect needs to know the old default sink */
780 pa_core_update_default_sink(s->core);
783 /* Called from main context */
784 void pa_sink_unlink(pa_sink* s) {
786 pa_sink_input *i, PA_UNUSED *j = NULL;
788 pa_sink_assert_ref(s);
789 pa_assert_ctl_context();
791 /* Please note that pa_sink_unlink() does more than simply
792 * reversing pa_sink_put(). It also undoes the registrations
793 * already done in pa_sink_new()! */
795 if (s->unlink_requested)
798 s->unlink_requested = true;
800 linked = PA_SINK_IS_LINKED(s->state);
803 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK], s);
805 if (s->state != PA_SINK_UNLINKED)
806 pa_namereg_unregister(s->core, s->name);
807 pa_idxset_remove_by_data(s->core->sinks, s, NULL);
809 pa_core_update_default_sink(s->core);
812 pa_idxset_remove_by_data(s->card->sinks, s, NULL);
814 while ((i = pa_idxset_first(s->inputs, NULL))) {
816 pa_sink_input_kill(i);
821 sink_set_state(s, PA_SINK_UNLINKED, 0);
823 s->state = PA_SINK_UNLINKED;
827 if (s->monitor_source)
828 pa_source_unlink(s->monitor_source);
831 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
832 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], s);
836 /* Called from main context */
837 static void sink_free(pa_object *o) {
838 pa_sink *s = PA_SINK(o);
841 pa_assert_ctl_context();
842 pa_assert(pa_sink_refcnt(s) == 0);
843 pa_assert(!PA_SINK_IS_LINKED(s->state));
845 pa_log_info("Freeing sink %u \"%s\"", s->index, s->name);
847 pa_sink_volume_change_flush(s);
849 if (s->monitor_source) {
850 pa_source_unref(s->monitor_source);
851 s->monitor_source = NULL;
854 pa_idxset_free(s->inputs, NULL);
855 pa_hashmap_free(s->thread_info.inputs);
857 if (s->silence.memblock)
858 pa_memblock_unref(s->silence.memblock);
864 pa_proplist_free(s->proplist);
867 pa_hashmap_free(s->ports);
869 #ifdef TIZEN_PCM_DUMP
870 /* close file for dump pcm */
871 if (s->pcm_dump_fp) {
872 fclose(s->pcm_dump_fp);
873 pa_log_info("%s closed", s->dump_path);
874 pa_xfree(s->dump_path);
875 s->pcm_dump_fp = NULL;
881 /* Called from main context, and not while the IO thread is active, please */
882 void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) {
883 pa_sink_assert_ref(s);
884 pa_assert_ctl_context();
888 if (s->monitor_source)
889 pa_source_set_asyncmsgq(s->monitor_source, q);
892 /* Called from main context, and not while the IO thread is active, please */
893 void pa_sink_update_flags(pa_sink *s, pa_sink_flags_t mask, pa_sink_flags_t value) {
894 pa_sink_flags_t old_flags;
895 pa_sink_input *input;
898 pa_sink_assert_ref(s);
899 pa_assert_ctl_context();
901 /* For now, allow only a minimal set of flags to be changed. */
902 pa_assert((mask & ~(PA_SINK_DYNAMIC_LATENCY|PA_SINK_LATENCY)) == 0);
904 old_flags = s->flags;
905 s->flags = (s->flags & ~mask) | (value & mask);
907 if (s->flags == old_flags)
910 if ((s->flags & PA_SINK_LATENCY) != (old_flags & PA_SINK_LATENCY))
911 pa_log_debug("Sink %s: LATENCY flag %s.", s->name, (s->flags & PA_SINK_LATENCY) ? "enabled" : "disabled");
913 if ((s->flags & PA_SINK_DYNAMIC_LATENCY) != (old_flags & PA_SINK_DYNAMIC_LATENCY))
914 pa_log_debug("Sink %s: DYNAMIC_LATENCY flag %s.",
915 s->name, (s->flags & PA_SINK_DYNAMIC_LATENCY) ? "enabled" : "disabled");
917 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
918 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_FLAGS_CHANGED], s);
920 if (s->monitor_source)
921 pa_source_update_flags(s->monitor_source,
922 ((mask & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
923 ((mask & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0),
924 ((value & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
925 ((value & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0));
927 PA_IDXSET_FOREACH(input, s->inputs, idx) {
928 if (input->origin_sink)
929 pa_sink_update_flags(input->origin_sink, mask, value);
933 /* Called from IO context, or before _put() from main context */
934 void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) {
935 pa_sink_assert_ref(s);
936 pa_sink_assert_io_context(s);
938 s->thread_info.rtpoll = p;
940 if (s->monitor_source)
941 pa_source_set_rtpoll(s->monitor_source, p);
944 /* Called from main context */
945 int pa_sink_update_status(pa_sink*s) {
946 pa_sink_assert_ref(s);
947 pa_assert_ctl_context();
948 pa_assert(PA_SINK_IS_LINKED(s->state));
950 if (s->state == PA_SINK_SUSPENDED)
953 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE, 0);
956 /* Called from any context - must be threadsafe */
957 void pa_sink_set_mixer_dirty(pa_sink *s, bool is_dirty) {
958 pa_atomic_store(&s->mixer_dirty, is_dirty ? 1 : 0);
961 /* Called from main context */
962 int pa_sink_suspend(pa_sink *s, bool suspend, pa_suspend_cause_t cause) {
963 pa_suspend_cause_t merged_cause;
965 pa_sink_assert_ref(s);
966 pa_assert_ctl_context();
967 pa_assert(PA_SINK_IS_LINKED(s->state));
968 pa_assert(cause != 0);
971 merged_cause = s->suspend_cause | cause;
973 merged_cause = s->suspend_cause & ~cause;
975 if (!(merged_cause & PA_SUSPEND_SESSION) && (pa_atomic_load(&s->mixer_dirty) != 0)) {
976 /* This might look racy but isn't: If somebody sets mixer_dirty exactly here,
977 it'll be handled just fine. */
978 pa_sink_set_mixer_dirty(s, false);
979 pa_log_debug("Mixer is now accessible. Updating alsa mixer settings.");
980 if (s->active_port && s->set_port) {
981 if (s->flags & PA_SINK_DEFERRED_VOLUME) {
982 struct sink_message_set_port msg = { .port = s->active_port, .ret = 0 };
983 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT, &msg, 0, NULL) == 0);
986 s->set_port(s, s->active_port);
997 return sink_set_state(s, PA_SINK_SUSPENDED, merged_cause);
999 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE, 0);
1002 /* Called from main context */
1003 pa_queue *pa_sink_move_all_start(pa_sink *s, pa_queue *q) {
1004 pa_sink_input *i, *n;
1007 pa_sink_assert_ref(s);
1008 pa_assert_ctl_context();
1009 pa_assert(PA_SINK_IS_LINKED(s->state));
1014 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = n) {
1015 n = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx));
1017 pa_sink_input_ref(i);
1019 if (pa_sink_input_start_move(i) >= 0)
1020 pa_queue_push(q, i);
1022 pa_sink_input_unref(i);
1028 /* Called from main context */
1029 void pa_sink_move_all_finish(pa_sink *s, pa_queue *q, bool save) {
1032 pa_sink_assert_ref(s);
1033 pa_assert_ctl_context();
1034 pa_assert(PA_SINK_IS_LINKED(s->state));
1037 while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
1038 if (PA_SINK_INPUT_IS_LINKED(i->state)) {
1039 if (pa_sink_input_finish_move(i, s, save) < 0)
1040 pa_sink_input_fail_move(i);
1043 pa_sink_input_unref(i);
1046 pa_queue_free(q, NULL);
1049 /* Called from main context */
1050 void pa_sink_move_all_fail(pa_queue *q) {
1053 pa_assert_ctl_context();
1056 while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
1057 pa_sink_input_fail_move(i);
1058 pa_sink_input_unref(i);
1061 pa_queue_free(q, NULL);
1064 /* Called from IO thread context */
1065 size_t pa_sink_process_input_underruns(pa_sink *s, size_t left_to_play) {
1070 pa_sink_assert_ref(s);
1071 pa_sink_assert_io_context(s);
1073 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
1074 size_t uf = i->thread_info.underrun_for_sink;
1076 /* Propagate down the filter tree */
1077 if (i->origin_sink) {
1078 size_t filter_result, left_to_play_origin;
1080 /* The recursive call works in the origin sink domain ... */
1081 left_to_play_origin = pa_convert_size(left_to_play, &i->sink->sample_spec, &i->origin_sink->sample_spec);
1083 /* .. and returns the time to sleep before waking up. We need the
1084 * underrun duration for comparisons, so we undo the subtraction on
1085 * the return value... */
1086 filter_result = left_to_play_origin - pa_sink_process_input_underruns(i->origin_sink, left_to_play_origin);
1088 /* ... and convert it back to the master sink domain */
1089 filter_result = pa_convert_size(filter_result, &i->origin_sink->sample_spec, &i->sink->sample_spec);
1091 /* Remember the longest underrun so far */
1092 if (filter_result > result)
1093 result = filter_result;
1097 /* No underrun here, move on */
1099 } else if (uf >= left_to_play) {
1100 /* The sink has possibly consumed all the data the sink input provided */
1101 pa_sink_input_process_underrun(i);
1102 } else if (uf > result) {
1103 /* Remember the longest underrun so far */
1109 pa_log_debug("%s: Found underrun %ld bytes ago (%ld bytes ahead in playback buffer)", s->name,
1110 (long) result, (long) left_to_play - result);
1111 return left_to_play - result;
1114 /* Called from IO thread context */
1115 void pa_sink_process_rewind(pa_sink *s, size_t nbytes) {
1119 pa_sink_assert_ref(s);
1120 pa_sink_assert_io_context(s);
1121 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1123 /* If nobody requested this and this is actually no real rewind
1124 * then we can short cut this. Please note that this means that
1125 * not all rewind requests triggered upstream will always be
1126 * translated in actual requests! */
1127 if (!s->thread_info.rewind_requested && nbytes <= 0)
1130 s->thread_info.rewind_nbytes = 0;
1131 s->thread_info.rewind_requested = false;
1134 pa_log_debug("Processing rewind...");
1135 if (s->flags & PA_SINK_DEFERRED_VOLUME)
1136 pa_sink_volume_change_rewind(s, nbytes);
1137 #ifdef TIZEN_PCM_DUMP
1140 fseeko(s->pcm_dump_fp, (off_t)nbytes * (-1), SEEK_CUR);
1144 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
1145 pa_sink_input_assert_ref(i);
1146 pa_sink_input_process_rewind(i, nbytes);
1150 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
1151 pa_source_process_rewind(s->monitor_source, nbytes);
1155 /* Called from IO thread context */
1156 static unsigned fill_mix_info(pa_sink *s, size_t *length, pa_mix_info *info, unsigned maxinfo) {
1160 size_t mixlength = *length;
1162 pa_sink_assert_ref(s);
1163 pa_sink_assert_io_context(s);
1166 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)) && maxinfo > 0) {
1167 pa_sink_input_assert_ref(i);
1169 pa_sink_input_peek(i, *length, &info->chunk, &info->volume);
1171 if (mixlength == 0 || info->chunk.length < mixlength)
1172 mixlength = info->chunk.length;
1174 if (pa_memblock_is_silence(info->chunk.memblock)) {
1175 pa_memblock_unref(info->chunk.memblock);
1179 info->userdata = pa_sink_input_ref(i);
1181 pa_assert(info->chunk.memblock);
1182 pa_assert(info->chunk.length > 0);
1190 *length = mixlength;
1195 /* Called from IO thread context */
1196 static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, pa_memchunk *result) {
1200 unsigned n_unreffed = 0;
1202 pa_sink_assert_ref(s);
1203 pa_sink_assert_io_context(s);
1205 pa_assert(result->memblock);
1206 pa_assert(result->length > 0);
1208 /* We optimize for the case where the order of the inputs has not changed */
1210 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
1212 pa_mix_info* m = NULL;
1214 pa_sink_input_assert_ref(i);
1216 /* Let's try to find the matching entry info the pa_mix_info array */
1217 for (j = 0; j < n; j ++) {
1219 if (info[p].userdata == i) {
1229 /* Drop read data */
1230 pa_sink_input_drop(i, result->length);
1232 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state)) {
1234 if (pa_hashmap_size(i->thread_info.direct_outputs) > 0) {
1235 void *ostate = NULL;
1236 pa_source_output *o;
1239 if (m && m->chunk.memblock) {
1241 pa_memblock_ref(c.memblock);
1242 pa_assert(result->length <= c.length);
1243 c.length = result->length;
1245 pa_memchunk_make_writable(&c, 0);
1246 pa_volume_memchunk(&c, &s->sample_spec, &m->volume);
1249 pa_memblock_ref(c.memblock);
1250 pa_assert(result->length <= c.length);
1251 c.length = result->length;
1254 while ((o = pa_hashmap_iterate(i->thread_info.direct_outputs, &ostate, NULL))) {
1255 pa_source_output_assert_ref(o);
1256 pa_assert(o->direct_on_input == i);
1257 pa_source_post_direct(s->monitor_source, o, &c);
1260 pa_memblock_unref(c.memblock);
1265 if (m->chunk.memblock) {
1266 pa_memblock_unref(m->chunk.memblock);
1267 pa_memchunk_reset(&m->chunk);
1270 pa_sink_input_unref(m->userdata);
1277 /* Now drop references to entries that are included in the
1278 * pa_mix_info array but don't exist anymore */
1280 if (n_unreffed < n) {
1281 for (; n > 0; info++, n--) {
1283 pa_sink_input_unref(info->userdata);
1284 if (info->chunk.memblock)
1285 pa_memblock_unref(info->chunk.memblock);
1289 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
1290 pa_source_post(s->monitor_source, result);
1293 /* Called from IO thread context */
1294 void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
1295 pa_mix_info info[MAX_MIX_CHANNELS];
1297 size_t block_size_max;
1299 pa_sink_assert_ref(s);
1300 pa_sink_assert_io_context(s);
1301 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1302 pa_assert(pa_frame_aligned(length, &s->sample_spec));
1305 pa_assert(!s->thread_info.rewind_requested);
1306 pa_assert(s->thread_info.rewind_nbytes == 0);
1308 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1309 result->memblock = pa_memblock_ref(s->silence.memblock);
1310 result->index = s->silence.index;
1311 result->length = PA_MIN(s->silence.length, length);
1318 length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec);
1320 block_size_max = pa_mempool_block_size_max(s->core->mempool);
1321 if (length > block_size_max)
1322 length = pa_frame_align(block_size_max, &s->sample_spec);
1324 pa_assert(length > 0);
1326 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
1330 *result = s->silence;
1331 pa_memblock_ref(result->memblock);
1333 if (result->length > length)
1334 result->length = length;
1336 } else if (n == 1) {
1339 *result = info[0].chunk;
1340 pa_memblock_ref(result->memblock);
1342 if (result->length > length)
1343 result->length = length;
1345 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
1347 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume)) {
1348 pa_memblock_unref(result->memblock);
1349 pa_silence_memchunk_get(&s->core->silence_cache,
1354 } else if (!pa_cvolume_is_norm(&volume)) {
1355 pa_memchunk_make_writable(result, 0);
1356 pa_volume_memchunk(result, &s->sample_spec, &volume);
1360 result->memblock = pa_memblock_new(s->core->mempool, length);
1362 ptr = pa_memblock_acquire(result->memblock);
1363 result->length = pa_mix(info, n,
1366 &s->thread_info.soft_volume,
1367 s->thread_info.soft_muted);
1368 pa_memblock_release(result->memblock);
1373 inputs_drop(s, info, n, result);
1375 #ifdef TIZEN_PCM_DUMP
1376 pa_sink_write_pcm_dump(s, result);
1381 /* Called from IO thread context */
1382 void pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
1383 pa_mix_info info[MAX_MIX_CHANNELS];
1385 size_t length, block_size_max;
1387 pa_sink_assert_ref(s);
1388 pa_sink_assert_io_context(s);
1389 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1391 pa_assert(target->memblock);
1392 pa_assert(target->length > 0);
1393 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
1395 pa_assert(!s->thread_info.rewind_requested);
1396 pa_assert(s->thread_info.rewind_nbytes == 0);
1398 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1399 pa_silence_memchunk(target, &s->sample_spec);
1405 length = target->length;
1406 block_size_max = pa_mempool_block_size_max(s->core->mempool);
1407 if (length > block_size_max)
1408 length = pa_frame_align(block_size_max, &s->sample_spec);
1410 pa_assert(length > 0);
1412 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
1415 if (target->length > length)
1416 target->length = length;
1418 pa_silence_memchunk(target, &s->sample_spec);
1419 } else if (n == 1) {
1422 if (target->length > length)
1423 target->length = length;
1425 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
1427 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume))
1428 pa_silence_memchunk(target, &s->sample_spec);
1432 vchunk = info[0].chunk;
1433 pa_memblock_ref(vchunk.memblock);
1435 if (vchunk.length > length)
1436 vchunk.length = length;
1438 if (!pa_cvolume_is_norm(&volume)) {
1439 pa_memchunk_make_writable(&vchunk, 0);
1440 pa_volume_memchunk(&vchunk, &s->sample_spec, &volume);
1443 pa_memchunk_memcpy(target, &vchunk);
1444 pa_memblock_unref(vchunk.memblock);
1450 ptr = pa_memblock_acquire(target->memblock);
1452 target->length = pa_mix(info, n,
1453 (uint8_t*) ptr + target->index, length,
1455 &s->thread_info.soft_volume,
1456 s->thread_info.soft_muted);
1458 pa_memblock_release(target->memblock);
1461 inputs_drop(s, info, n, target);
1463 #ifdef TIZEN_PCM_DUMP
1464 pa_sink_write_pcm_dump(s, target);
1469 /* Called from IO thread context */
1470 void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) {
1474 pa_sink_assert_ref(s);
1475 pa_sink_assert_io_context(s);
1476 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1478 pa_assert(target->memblock);
1479 pa_assert(target->length > 0);
1480 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
1482 pa_assert(!s->thread_info.rewind_requested);
1483 pa_assert(s->thread_info.rewind_nbytes == 0);
1485 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1486 pa_silence_memchunk(target, &s->sample_spec);
1499 pa_sink_render_into(s, &chunk);
1508 /* Called from IO thread context */
1509 void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) {
1510 pa_sink_assert_ref(s);
1511 pa_sink_assert_io_context(s);
1512 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1513 pa_assert(length > 0);
1514 pa_assert(pa_frame_aligned(length, &s->sample_spec));
1517 pa_assert(!s->thread_info.rewind_requested);
1518 pa_assert(s->thread_info.rewind_nbytes == 0);
1522 pa_sink_render(s, length, result);
1524 if (result->length < length) {
1527 pa_memchunk_make_writable(result, length);
1529 chunk.memblock = result->memblock;
1530 chunk.index = result->index + result->length;
1531 chunk.length = length - result->length;
1533 pa_sink_render_into_full(s, &chunk);
1535 result->length = length;
1541 /* Called from main thread */
1542 int pa_sink_reconfigure(pa_sink *s, pa_sample_spec *spec, bool passthrough) {
1544 pa_sample_spec desired_spec;
1545 uint32_t default_rate = s->default_sample_rate;
1546 uint32_t alternate_rate = s->alternate_sample_rate;
1549 bool default_rate_is_usable = false;
1550 bool alternate_rate_is_usable = false;
1552 bool avoid_resampling = s->avoid_resampling;
1554 bool avoid_resampling = s->core->avoid_resampling;
1557 /* We currently only try to reconfigure the sample rate */
1560 if (!s->selected_sample_rate && !avoid_resampling && pa_sample_spec_equal(spec, &s->sample_spec))
1562 if (pa_sample_spec_equal(spec, &s->sample_spec))
1566 if (!s->reconfigure)
1570 if (!s->selected_sample_rate && PA_UNLIKELY(default_rate == alternate_rate && !passthrough && !avoid_resampling)) {
1572 if (PA_UNLIKELY(default_rate == alternate_rate && !passthrough && !avoid_resampling)) {
1574 pa_log_debug("Default and alternate sample rates are the same, so there is no point in switching.");
1578 if (PA_SINK_IS_RUNNING(s->state)) {
1579 pa_log_info("Cannot update rate, SINK_IS_RUNNING, will keep using %u Hz",
1580 s->sample_spec.rate);
1584 if (s->monitor_source) {
1585 if (PA_SOURCE_IS_RUNNING(s->monitor_source->state) == true) {
1586 pa_log_info("Cannot update rate, monitor source is RUNNING");
1591 if (PA_UNLIKELY(!pa_sample_spec_valid(spec)))
1594 desired_spec = s->sample_spec;
1597 if (!avoid_resampling && s->selected_sample_rate)
1598 default_rate = alternate_rate = s->selected_sample_rate;
1601 /* We have to try to use the sink input rate */
1602 desired_spec.rate = spec->rate;
1604 } else if (avoid_resampling && (spec->rate >= default_rate || spec->rate >= alternate_rate)) {
1605 /* We just try to set the sink input's sample rate if it's not too low */
1606 desired_spec.rate = spec->rate;
1608 } else if (default_rate == spec->rate || alternate_rate == spec->rate) {
1609 /* We can directly try to use this rate */
1610 desired_spec.rate = spec->rate;
1613 /* See if we can pick a rate that results in less resampling effort */
1614 if (default_rate % 11025 == 0 && spec->rate % 11025 == 0)
1615 default_rate_is_usable = true;
1616 if (default_rate % 4000 == 0 && spec->rate % 4000 == 0)
1617 default_rate_is_usable = true;
1618 if (alternate_rate % 11025 == 0 && spec->rate % 11025 == 0)
1619 alternate_rate_is_usable = true;
1620 if (alternate_rate % 4000 == 0 && spec->rate % 4000 == 0)
1621 alternate_rate_is_usable = true;
1623 if (alternate_rate_is_usable && !default_rate_is_usable)
1624 desired_spec.rate = alternate_rate;
1626 desired_spec.rate = default_rate;
1629 if (pa_sample_spec_equal(&desired_spec, &s->sample_spec) && passthrough == pa_sink_is_passthrough(s))
1632 if (!passthrough && pa_sink_used_by(s) > 0)
1636 pa_log_debug("Suspending sink %s due to changing format, desired rate = %u", s->name, desired_spec.rate);
1638 pa_log_debug("Suspending sink %s due to changing format", s->name);
1640 pa_sink_suspend(s, true, PA_SUSPEND_INTERNAL);
1642 if (s->reconfigure(s, &desired_spec, passthrough) >= 0) {
1643 /* update monitor source as well */
1644 if (s->monitor_source && !passthrough)
1645 pa_source_reconfigure(s->monitor_source, &desired_spec, false);
1646 pa_log_info("Changed format successfully");
1648 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1649 if (i->state == PA_SINK_INPUT_CORKED)
1650 pa_sink_input_update_rate(i);
1656 pa_sink_suspend(s, false, PA_SUSPEND_INTERNAL);
1661 /* Called from main thread */
1662 pa_usec_t pa_sink_get_latency(pa_sink *s) {
1665 pa_sink_assert_ref(s);
1666 pa_assert_ctl_context();
1667 pa_assert(PA_SINK_IS_LINKED(s->state));
1669 /* The returned value is supposed to be in the time domain of the sound card! */
1671 if (s->state == PA_SINK_SUSPENDED)
1674 if (!(s->flags & PA_SINK_LATENCY))
1677 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
1679 /* the return value is unsigned, so check that the offset can be added to usec without
1681 if (-s->port_latency_offset <= usec)
1682 usec += s->port_latency_offset;
1686 return (pa_usec_t)usec;
1689 /* Called from IO thread */
1690 int64_t pa_sink_get_latency_within_thread(pa_sink *s, bool allow_negative) {
1694 pa_sink_assert_ref(s);
1695 pa_sink_assert_io_context(s);
1696 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1698 /* The returned value is supposed to be in the time domain of the sound card! */
1700 if (s->thread_info.state == PA_SINK_SUSPENDED)
1703 if (!(s->flags & PA_SINK_LATENCY))
1706 o = PA_MSGOBJECT(s);
1708 /* FIXME: We probably should make this a proper vtable callback instead of going through process_msg() */
1710 o->process_msg(o, PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL);
1712 /* If allow_negative is false, the call should only return positive values, */
1713 usec += s->thread_info.port_latency_offset;
1714 if (!allow_negative && usec < 0)
1720 /* Called from the main thread (and also from the IO thread while the main
1721 * thread is waiting).
1723 * When a sink uses volume sharing, it never has the PA_SINK_FLAT_VOLUME flag
1724 * set. Instead, flat volume mode is detected by checking whether the root sink
1725 * has the flag set. */
1726 bool pa_sink_flat_volume_enabled(pa_sink *s) {
1727 pa_sink_assert_ref(s);
1729 s = pa_sink_get_master(s);
1732 return (s->flags & PA_SINK_FLAT_VOLUME);
1737 /* Called from the main thread (and also from the IO thread while the main
1738 * thread is waiting). */
1739 pa_sink *pa_sink_get_master(pa_sink *s) {
1740 pa_sink_assert_ref(s);
1742 while (s && (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1743 if (PA_UNLIKELY(!s->input_to_master))
1746 s = s->input_to_master->sink;
1752 /* Called from main context */
1753 bool pa_sink_is_filter(pa_sink *s) {
1754 pa_sink_assert_ref(s);
1756 return (s->input_to_master != NULL);
1759 /* Called from main context */
1760 bool pa_sink_is_passthrough(pa_sink *s) {
1761 pa_sink_input *alt_i;
1764 pa_sink_assert_ref(s);
1766 /* one and only one PASSTHROUGH input can possibly be connected */
1767 if (pa_idxset_size(s->inputs) == 1) {
1768 alt_i = pa_idxset_first(s->inputs, &idx);
1770 if (pa_sink_input_is_passthrough(alt_i))
1777 /* Called from main context */
1778 void pa_sink_enter_passthrough(pa_sink *s) {
1781 /* The sink implementation is reconfigured for passthrough in
1782 * pa_sink_reconfigure(). This function sets the PA core objects to
1783 * passthrough mode. */
1785 /* disable the monitor in passthrough mode */
1786 if (s->monitor_source) {
1787 pa_log_debug("Suspending monitor source %s, because the sink is entering the passthrough mode.", s->monitor_source->name);
1788 pa_source_suspend(s->monitor_source, true, PA_SUSPEND_PASSTHROUGH);
1791 /* set the volume to NORM */
1792 s->saved_volume = *pa_sink_get_volume(s, true);
1793 s->saved_save_volume = s->save_volume;
1795 pa_cvolume_set(&volume, s->sample_spec.channels, PA_MIN(s->base_volume, PA_VOLUME_NORM));
1796 pa_sink_set_volume(s, &volume, true, false);
1798 pa_log_debug("Suspending/Restarting sink %s to enter passthrough mode", s->name);
1801 /* Called from main context */
1802 void pa_sink_leave_passthrough(pa_sink *s) {
1803 /* Unsuspend monitor */
1804 if (s->monitor_source) {
1805 pa_log_debug("Resuming monitor source %s, because the sink is leaving the passthrough mode.", s->monitor_source->name);
1806 pa_source_suspend(s->monitor_source, false, PA_SUSPEND_PASSTHROUGH);
1809 /* Restore sink volume to what it was before we entered passthrough mode */
1810 pa_sink_set_volume(s, &s->saved_volume, true, s->saved_save_volume);
1812 pa_cvolume_init(&s->saved_volume);
1813 s->saved_save_volume = false;
1817 /* Called from main context. */
1818 static void compute_reference_ratio(pa_sink_input *i) {
1820 pa_cvolume remapped;
1824 pa_assert(pa_sink_flat_volume_enabled(i->sink));
1827 * Calculates the reference ratio from the sink's reference
1828 * volume. This basically calculates:
1830 * i->reference_ratio = i->volume / i->sink->reference_volume
1833 remapped = i->sink->reference_volume;
1834 pa_cvolume_remap(&remapped, &i->sink->channel_map, &i->channel_map);
1836 ratio = i->reference_ratio;
1838 for (c = 0; c < i->sample_spec.channels; c++) {
1840 /* We don't update when the sink volume is 0 anyway */
1841 if (remapped.values[c] <= PA_VOLUME_MUTED)
1844 /* Don't update the reference ratio unless necessary */
1845 if (pa_sw_volume_multiply(
1847 remapped.values[c]) == i->volume.values[c])
1850 ratio.values[c] = pa_sw_volume_divide(
1851 i->volume.values[c],
1852 remapped.values[c]);
1855 pa_sink_input_set_reference_ratio(i, &ratio);
1858 /* Called from main context. Only called for the root sink in volume sharing
1859 * cases, except for internal recursive calls. */
1860 static void compute_reference_ratios(pa_sink *s) {
1864 pa_sink_assert_ref(s);
1865 pa_assert_ctl_context();
1866 pa_assert(PA_SINK_IS_LINKED(s->state));
1867 pa_assert(pa_sink_flat_volume_enabled(s));
1869 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1870 compute_reference_ratio(i);
1872 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
1873 && PA_SINK_IS_LINKED(i->origin_sink->state))
1874 compute_reference_ratios(i->origin_sink);
1878 /* Called from main context. Only called for the root sink in volume sharing
1879 * cases, except for internal recursive calls. */
1880 static void compute_real_ratios(pa_sink *s) {
1884 pa_sink_assert_ref(s);
1885 pa_assert_ctl_context();
1886 pa_assert(PA_SINK_IS_LINKED(s->state));
1887 pa_assert(pa_sink_flat_volume_enabled(s));
1889 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1891 pa_cvolume remapped;
1893 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1894 /* The origin sink uses volume sharing, so this input's real ratio
1895 * is handled as a special case - the real ratio must be 0 dB, and
1896 * as a result i->soft_volume must equal i->volume_factor. */
1897 pa_cvolume_reset(&i->real_ratio, i->real_ratio.channels);
1898 i->soft_volume = i->volume_factor;
1900 if (PA_SINK_IS_LINKED(i->origin_sink->state))
1901 compute_real_ratios(i->origin_sink);
1907 * This basically calculates:
1909 * i->real_ratio := i->volume / s->real_volume
1910 * i->soft_volume := i->real_ratio * i->volume_factor
1913 remapped = s->real_volume;
1914 pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
1916 i->real_ratio.channels = i->sample_spec.channels;
1917 i->soft_volume.channels = i->sample_spec.channels;
1919 for (c = 0; c < i->sample_spec.channels; c++) {
1921 if (remapped.values[c] <= PA_VOLUME_MUTED) {
1922 /* We leave i->real_ratio untouched */
1923 i->soft_volume.values[c] = PA_VOLUME_MUTED;
1927 /* Don't lose accuracy unless necessary */
1928 if (pa_sw_volume_multiply(
1929 i->real_ratio.values[c],
1930 remapped.values[c]) != i->volume.values[c])
1932 i->real_ratio.values[c] = pa_sw_volume_divide(
1933 i->volume.values[c],
1934 remapped.values[c]);
1936 i->soft_volume.values[c] = pa_sw_volume_multiply(
1937 i->real_ratio.values[c],
1938 i->volume_factor.values[c]);
1941 /* We don't copy the soft_volume to the thread_info data
1942 * here. That must be done by the caller */
1946 static pa_cvolume *cvolume_remap_minimal_impact(
1948 const pa_cvolume *template,
1949 const pa_channel_map *from,
1950 const pa_channel_map *to) {
1955 pa_assert(template);
1958 pa_assert(pa_cvolume_compatible_with_channel_map(v, from));
1959 pa_assert(pa_cvolume_compatible_with_channel_map(template, to));
1961 /* Much like pa_cvolume_remap(), but tries to minimize impact when
1962 * mapping from sink input to sink volumes:
1964 * If template is a possible remapping from v it is used instead
1965 * of remapping anew.
1967 * If the channel maps don't match we set an all-channel volume on
1968 * the sink to ensure that changing a volume on one stream has no
1969 * effect that cannot be compensated for in another stream that
1970 * does not have the same channel map as the sink. */
1972 if (pa_channel_map_equal(from, to))
1976 if (pa_cvolume_equal(pa_cvolume_remap(&t, to, from), v)) {
1981 pa_cvolume_set(v, to->channels, pa_cvolume_max(v));
1985 /* Called from main thread. Only called for the root sink in volume sharing
1986 * cases, except for internal recursive calls. */
1987 static void get_maximum_input_volume(pa_sink *s, pa_cvolume *max_volume, const pa_channel_map *channel_map) {
1991 pa_sink_assert_ref(s);
1992 pa_assert(max_volume);
1993 pa_assert(channel_map);
1994 pa_assert(pa_sink_flat_volume_enabled(s));
1996 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1997 pa_cvolume remapped;
1999 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
2000 if (PA_SINK_IS_LINKED(i->origin_sink->state))
2001 get_maximum_input_volume(i->origin_sink, max_volume, channel_map);
2003 /* Ignore this input. The origin sink uses volume sharing, so this
2004 * input's volume will be set to be equal to the root sink's real
2005 * volume. Obviously this input's current volume must not then
2006 * affect what the root sink's real volume will be. */
2010 remapped = i->volume;
2011 cvolume_remap_minimal_impact(&remapped, max_volume, &i->channel_map, channel_map);
2012 pa_cvolume_merge(max_volume, max_volume, &remapped);
2016 /* Called from main thread. Only called for the root sink in volume sharing
2017 * cases, except for internal recursive calls. */
2018 static bool has_inputs(pa_sink *s) {
2022 pa_sink_assert_ref(s);
2024 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2025 if (!i->origin_sink || !(i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || has_inputs(i->origin_sink))
2032 /* Called from main thread. Only called for the root sink in volume sharing
2033 * cases, except for internal recursive calls. */
2034 static void update_real_volume(pa_sink *s, const pa_cvolume *new_volume, pa_channel_map *channel_map) {
2038 pa_sink_assert_ref(s);
2039 pa_assert(new_volume);
2040 pa_assert(channel_map);
2042 s->real_volume = *new_volume;
2043 pa_cvolume_remap(&s->real_volume, channel_map, &s->channel_map);
2045 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2046 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
2047 if (pa_sink_flat_volume_enabled(s)) {
2048 pa_cvolume new_input_volume;
2050 /* Follow the root sink's real volume. */
2051 new_input_volume = *new_volume;
2052 pa_cvolume_remap(&new_input_volume, channel_map, &i->channel_map);
2053 pa_sink_input_set_volume_direct(i, &new_input_volume);
2054 compute_reference_ratio(i);
2057 if (PA_SINK_IS_LINKED(i->origin_sink->state))
2058 update_real_volume(i->origin_sink, new_volume, channel_map);
2063 /* Called from main thread. Only called for the root sink in shared volume
2065 static void compute_real_volume(pa_sink *s) {
2066 pa_sink_assert_ref(s);
2067 pa_assert_ctl_context();
2068 pa_assert(PA_SINK_IS_LINKED(s->state));
2069 pa_assert(pa_sink_flat_volume_enabled(s));
2070 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2072 /* This determines the maximum volume of all streams and sets
2073 * s->real_volume accordingly. */
2075 if (!has_inputs(s)) {
2076 /* In the special case that we have no sink inputs we leave the
2077 * volume unmodified. */
2078 update_real_volume(s, &s->reference_volume, &s->channel_map);
2082 pa_cvolume_mute(&s->real_volume, s->channel_map.channels);
2084 /* First let's determine the new maximum volume of all inputs
2085 * connected to this sink */
2086 get_maximum_input_volume(s, &s->real_volume, &s->channel_map);
2087 update_real_volume(s, &s->real_volume, &s->channel_map);
2089 /* Then, let's update the real ratios/soft volumes of all inputs
2090 * connected to this sink */
2091 compute_real_ratios(s);
2094 /* Called from main thread. Only called for the root sink in shared volume
2095 * cases, except for internal recursive calls. */
2096 static void propagate_reference_volume(pa_sink *s) {
2100 pa_sink_assert_ref(s);
2101 pa_assert_ctl_context();
2102 pa_assert(PA_SINK_IS_LINKED(s->state));
2103 pa_assert(pa_sink_flat_volume_enabled(s));
2105 /* This is called whenever the sink volume changes that is not
2106 * caused by a sink input volume change. We need to fix up the
2107 * sink input volumes accordingly */
2109 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2110 pa_cvolume new_volume;
2112 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
2113 if (PA_SINK_IS_LINKED(i->origin_sink->state))
2114 propagate_reference_volume(i->origin_sink);
2116 /* Since the origin sink uses volume sharing, this input's volume
2117 * needs to be updated to match the root sink's real volume, but
2118 * that will be done later in update_real_volume(). */
2122 /* This basically calculates:
2124 * i->volume := s->reference_volume * i->reference_ratio */
2126 new_volume = s->reference_volume;
2127 pa_cvolume_remap(&new_volume, &s->channel_map, &i->channel_map);
2128 pa_sw_cvolume_multiply(&new_volume, &new_volume, &i->reference_ratio);
2129 pa_sink_input_set_volume_direct(i, &new_volume);
2133 /* Called from main thread. Only called for the root sink in volume sharing
2134 * cases, except for internal recursive calls. The return value indicates
2135 * whether any reference volume actually changed. */
2136 static bool update_reference_volume(pa_sink *s, const pa_cvolume *v, const pa_channel_map *channel_map, bool save) {
2138 bool reference_volume_changed;
2142 pa_sink_assert_ref(s);
2143 pa_assert(PA_SINK_IS_LINKED(s->state));
2145 pa_assert(channel_map);
2146 pa_assert(pa_cvolume_valid(v));
2149 pa_cvolume_remap(&volume, channel_map, &s->channel_map);
2151 reference_volume_changed = !pa_cvolume_equal(&volume, &s->reference_volume);
2152 pa_sink_set_reference_volume_direct(s, &volume);
2154 s->save_volume = (!reference_volume_changed && s->save_volume) || save;
2156 if (!reference_volume_changed && !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
2157 /* If the root sink's volume doesn't change, then there can't be any
2158 * changes in the other sinks in the sink tree either.
2160 * It's probably theoretically possible that even if the root sink's
2161 * volume changes slightly, some filter sink doesn't change its volume
2162 * due to rounding errors. If that happens, we still want to propagate
2163 * the changed root sink volume to the sinks connected to the
2164 * intermediate sink that didn't change its volume. This theoretical
2165 * possibility is the reason why we have that !(s->flags &
2166 * PA_SINK_SHARE_VOLUME_WITH_MASTER) condition. Probably nobody would
2167 * notice even if we returned here false always if
2168 * reference_volume_changed is false. */
2171 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2172 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
2173 && PA_SINK_IS_LINKED(i->origin_sink->state))
2174 update_reference_volume(i->origin_sink, v, channel_map, false);
2180 /* Called from main thread */
2181 void pa_sink_set_volume(
2183 const pa_cvolume *volume,
2187 pa_cvolume new_reference_volume;
2190 pa_sink_assert_ref(s);
2191 pa_assert_ctl_context();
2192 pa_assert(PA_SINK_IS_LINKED(s->state));
2193 pa_assert(!volume || pa_cvolume_valid(volume));
2194 pa_assert(volume || pa_sink_flat_volume_enabled(s));
2195 pa_assert(!volume || volume->channels == 1 || pa_cvolume_compatible(volume, &s->sample_spec));
2197 /* make sure we don't change the volume when a PASSTHROUGH input is connected ...
2198 * ... *except* if we're being invoked to reset the volume to ensure 0 dB gain */
2199 if (pa_sink_is_passthrough(s) && (!volume || !pa_cvolume_is_norm(volume))) {
2200 pa_log_warn("Cannot change volume, Sink is connected to PASSTHROUGH input");
2204 /* In case of volume sharing, the volume is set for the root sink first,
2205 * from which it's then propagated to the sharing sinks. */
2206 root_sink = pa_sink_get_master(s);
2208 if (PA_UNLIKELY(!root_sink))
2211 /* As a special exception we accept mono volumes on all sinks --
2212 * even on those with more complex channel maps */
2215 if (pa_cvolume_compatible(volume, &s->sample_spec))
2216 new_reference_volume = *volume;
2218 new_reference_volume = s->reference_volume;
2219 pa_cvolume_scale(&new_reference_volume, pa_cvolume_max(volume));
2222 pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_sink->channel_map);
2224 if (update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save)) {
2225 if (pa_sink_flat_volume_enabled(root_sink)) {
2226 /* OK, propagate this volume change back to the inputs */
2227 propagate_reference_volume(root_sink);
2229 /* And now recalculate the real volume */
2230 compute_real_volume(root_sink);
2232 update_real_volume(root_sink, &root_sink->reference_volume, &root_sink->channel_map);
2236 /* If volume is NULL we synchronize the sink's real and
2237 * reference volumes with the stream volumes. */
2239 pa_assert(pa_sink_flat_volume_enabled(root_sink));
2241 /* Ok, let's determine the new real volume */
2242 compute_real_volume(root_sink);
2244 /* Let's 'push' the reference volume if necessary */
2245 pa_cvolume_merge(&new_reference_volume, &s->reference_volume, &root_sink->real_volume);
2246 /* If the sink and its root don't have the same number of channels, we need to remap */
2247 if (s != root_sink && !pa_channel_map_equal(&s->channel_map, &root_sink->channel_map))
2248 pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_sink->channel_map);
2249 update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save);
2251 /* Now that the reference volume is updated, we can update the streams'
2252 * reference ratios. */
2253 compute_reference_ratios(root_sink);
2256 if (root_sink->set_volume) {
2257 /* If we have a function set_volume(), then we do not apply a
2258 * soft volume by default. However, set_volume() is free to
2259 * apply one to root_sink->soft_volume */
2261 pa_cvolume_reset(&root_sink->soft_volume, root_sink->sample_spec.channels);
2262 if (!(root_sink->flags & PA_SINK_DEFERRED_VOLUME))
2263 root_sink->set_volume(root_sink);
2266 /* If we have no function set_volume(), then the soft volume
2267 * becomes the real volume */
2268 root_sink->soft_volume = root_sink->real_volume;
2270 /* This tells the sink that soft volume and/or real volume changed */
2272 pa_assert_se(pa_asyncmsgq_send(root_sink->asyncmsgq, PA_MSGOBJECT(root_sink), PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL) == 0);
2275 /* Called from the io thread if sync volume is used, otherwise from the main thread.
2276 * Only to be called by sink implementor */
2277 void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume) {
2279 pa_sink_assert_ref(s);
2280 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2282 if (s->flags & PA_SINK_DEFERRED_VOLUME)
2283 pa_sink_assert_io_context(s);
2285 pa_assert_ctl_context();
2288 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
2290 s->soft_volume = *volume;
2292 if (PA_SINK_IS_LINKED(s->state) && !(s->flags & PA_SINK_DEFERRED_VOLUME))
2293 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
2295 s->thread_info.soft_volume = s->soft_volume;
2298 /* Called from the main thread. Only called for the root sink in volume sharing
2299 * cases, except for internal recursive calls. */
2300 static void propagate_real_volume(pa_sink *s, const pa_cvolume *old_real_volume) {
2304 pa_sink_assert_ref(s);
2305 pa_assert(old_real_volume);
2306 pa_assert_ctl_context();
2307 pa_assert(PA_SINK_IS_LINKED(s->state));
2309 /* This is called when the hardware's real volume changes due to
2310 * some external event. We copy the real volume into our
2311 * reference volume and then rebuild the stream volumes based on
2312 * i->real_ratio which should stay fixed. */
2314 if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
2315 if (pa_cvolume_equal(old_real_volume, &s->real_volume))
2318 /* 1. Make the real volume the reference volume */
2319 update_reference_volume(s, &s->real_volume, &s->channel_map, true);
2322 if (pa_sink_flat_volume_enabled(s)) {
2324 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2325 pa_cvolume new_volume;
2327 /* 2. Since the sink's reference and real volumes are equal
2328 * now our ratios should be too. */
2329 pa_sink_input_set_reference_ratio(i, &i->real_ratio);
2331 /* 3. Recalculate the new stream reference volume based on the
2332 * reference ratio and the sink's reference volume.
2334 * This basically calculates:
2336 * i->volume = s->reference_volume * i->reference_ratio
2338 * This is identical to propagate_reference_volume() */
2339 new_volume = s->reference_volume;
2340 pa_cvolume_remap(&new_volume, &s->channel_map, &i->channel_map);
2341 pa_sw_cvolume_multiply(&new_volume, &new_volume, &i->reference_ratio);
2342 pa_sink_input_set_volume_direct(i, &new_volume);
2344 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
2345 && PA_SINK_IS_LINKED(i->origin_sink->state))
2346 propagate_real_volume(i->origin_sink, old_real_volume);
2350 /* Something got changed in the hardware. It probably makes sense
2351 * to save changed hw settings given that hw volume changes not
2352 * triggered by PA are almost certainly done by the user. */
2353 if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
2354 s->save_volume = true;
2357 /* Called from io thread */
2358 void pa_sink_update_volume_and_mute(pa_sink *s) {
2360 pa_sink_assert_io_context(s);
2362 pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE, NULL, 0, NULL, NULL);
2365 /* Called from main thread */
2366 const pa_cvolume *pa_sink_get_volume(pa_sink *s, bool force_refresh) {
2367 pa_sink_assert_ref(s);
2368 pa_assert_ctl_context();
2369 pa_assert(PA_SINK_IS_LINKED(s->state));
2371 if (s->refresh_volume || force_refresh) {
2372 struct pa_cvolume old_real_volume;
2374 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2376 old_real_volume = s->real_volume;
2378 if (!(s->flags & PA_SINK_DEFERRED_VOLUME) && s->get_volume)
2381 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, NULL, 0, NULL) == 0);
2383 update_real_volume(s, &s->real_volume, &s->channel_map);
2384 propagate_real_volume(s, &old_real_volume);
2387 return &s->reference_volume;
2390 /* Called from main thread. In volume sharing cases, only the root sink may
2392 void pa_sink_volume_changed(pa_sink *s, const pa_cvolume *new_real_volume) {
2393 pa_cvolume old_real_volume;
2395 pa_sink_assert_ref(s);
2396 pa_assert_ctl_context();
2397 pa_assert(PA_SINK_IS_LINKED(s->state));
2398 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2400 /* The sink implementor may call this if the volume changed to make sure everyone is notified */
2402 old_real_volume = s->real_volume;
2403 update_real_volume(s, new_real_volume, &s->channel_map);
2404 propagate_real_volume(s, &old_real_volume);
2407 /* Called from main thread */
2408 void pa_sink_set_mute(pa_sink *s, bool mute, bool save) {
2411 pa_sink_assert_ref(s);
2412 pa_assert_ctl_context();
2414 old_muted = s->muted;
2416 if (mute == old_muted) {
2417 s->save_muted |= save;
2422 s->save_muted = save;
2424 if (!(s->flags & PA_SINK_DEFERRED_VOLUME) && s->set_mute) {
2425 s->set_mute_in_progress = true;
2427 s->set_mute_in_progress = false;
2430 if (!PA_SINK_IS_LINKED(s->state))
2433 pa_log_debug("The mute of sink %s changed from %s to %s.", s->name, pa_yes_no(old_muted), pa_yes_no(mute));
2434 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
2435 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2436 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_MUTE_CHANGED], s);
2439 /* Called from main thread */
2440 bool pa_sink_get_mute(pa_sink *s, bool force_refresh) {
2442 pa_sink_assert_ref(s);
2443 pa_assert_ctl_context();
2444 pa_assert(PA_SINK_IS_LINKED(s->state));
2446 if ((s->refresh_muted || force_refresh) && s->get_mute) {
2449 if (s->flags & PA_SINK_DEFERRED_VOLUME) {
2450 if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, &mute, 0, NULL) >= 0)
2451 pa_sink_mute_changed(s, mute);
2453 if (s->get_mute(s, &mute) >= 0)
2454 pa_sink_mute_changed(s, mute);
2461 /* Called from main thread */
2462 void pa_sink_mute_changed(pa_sink *s, bool new_muted) {
2463 pa_sink_assert_ref(s);
2464 pa_assert_ctl_context();
2465 pa_assert(PA_SINK_IS_LINKED(s->state));
2467 if (s->set_mute_in_progress)
2470 /* pa_sink_set_mute() does this same check, so this may appear redundant,
2471 * but we must have this here also, because the save parameter of
2472 * pa_sink_set_mute() would otherwise have unintended side effects (saving
2473 * the mute state when it shouldn't be saved). */
2474 if (new_muted == s->muted)
2477 pa_sink_set_mute(s, new_muted, true);
2480 /* Called from main thread */
2481 bool pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p) {
2482 pa_sink_assert_ref(s);
2483 pa_assert_ctl_context();
2486 pa_proplist_update(s->proplist, mode, p);
2488 if (PA_SINK_IS_LINKED(s->state)) {
2489 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
2490 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2496 /* Called from main thread */
2497 /* FIXME -- this should be dropped and be merged into pa_sink_update_proplist() */
2498 void pa_sink_set_description(pa_sink *s, const char *description) {
2500 pa_sink_assert_ref(s);
2501 pa_assert_ctl_context();
2503 if (!description && !pa_proplist_contains(s->proplist, PA_PROP_DEVICE_DESCRIPTION))
2506 old = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
2508 if (old && description && pa_streq(old, description))
2512 pa_proplist_sets(s->proplist, PA_PROP_DEVICE_DESCRIPTION, description);
2514 pa_proplist_unset(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
2516 if (s->monitor_source) {
2519 n = pa_sprintf_malloc("Monitor Source of %s", description ? description : s->name);
2520 pa_source_set_description(s->monitor_source, n);
2524 if (PA_SINK_IS_LINKED(s->state)) {
2525 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2526 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
2530 /* Called from main thread */
2531 unsigned pa_sink_linked_by(pa_sink *s) {
2534 pa_sink_assert_ref(s);
2535 pa_assert_ctl_context();
2536 pa_assert(PA_SINK_IS_LINKED(s->state));
2538 ret = pa_idxset_size(s->inputs);
2540 /* We add in the number of streams connected to us here. Please
2541 * note the asymmetry to pa_sink_used_by()! */
2543 if (s->monitor_source)
2544 ret += pa_source_linked_by(s->monitor_source);
2549 /* Called from main thread */
2550 unsigned pa_sink_used_by(pa_sink *s) {
2553 pa_sink_assert_ref(s);
2554 pa_assert_ctl_context();
2555 pa_assert(PA_SINK_IS_LINKED(s->state));
2557 ret = pa_idxset_size(s->inputs);
2558 pa_assert(ret >= s->n_corked);
2560 /* Streams connected to our monitor source do not matter for
2561 * pa_sink_used_by()!.*/
2563 return ret - s->n_corked;
2566 /* Called from main thread */
2567 unsigned pa_sink_check_suspend(pa_sink *s, pa_sink_input *ignore_input, pa_source_output *ignore_output) {
2572 pa_sink_assert_ref(s);
2573 pa_assert_ctl_context();
2575 if (!PA_SINK_IS_LINKED(s->state))
2580 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2581 pa_sink_input_state_t st;
2583 if (i == ignore_input)
2586 st = pa_sink_input_get_state(i);
2588 /* We do not assert here. It is perfectly valid for a sink input to
2589 * be in the INIT state (i.e. created, marked done but not yet put)
2590 * and we should not care if it's unlinked as it won't contribute
2591 * towards our busy status.
2593 if (!PA_SINK_INPUT_IS_LINKED(st))
2596 if (st == PA_SINK_INPUT_CORKED)
2599 if (i->flags & PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND)
2605 if (s->monitor_source)
2606 ret += pa_source_check_suspend(s->monitor_source, ignore_output);
2611 const char *pa_sink_state_to_string(pa_sink_state_t state) {
2613 case PA_SINK_INIT: return "INIT";
2614 case PA_SINK_IDLE: return "IDLE";
2615 case PA_SINK_RUNNING: return "RUNNING";
2616 case PA_SINK_SUSPENDED: return "SUSPENDED";
2617 case PA_SINK_UNLINKED: return "UNLINKED";
2618 case PA_SINK_INVALID_STATE: return "INVALID_STATE";
2621 pa_assert_not_reached();
2624 /* Called from the IO thread */
2625 static void sync_input_volumes_within_thread(pa_sink *s) {
2629 pa_sink_assert_ref(s);
2630 pa_sink_assert_io_context(s);
2632 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
2633 if (pa_cvolume_equal(&i->thread_info.soft_volume, &i->soft_volume))
2636 i->thread_info.soft_volume = i->soft_volume;
2637 pa_sink_input_request_rewind(i, 0, true, false, false);
2641 /* Called from the IO thread. Only called for the root sink in volume sharing
2642 * cases, except for internal recursive calls. */
2643 static void set_shared_volume_within_thread(pa_sink *s) {
2644 pa_sink_input *i = NULL;
2647 pa_sink_assert_ref(s);
2649 PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME_SYNCED, NULL, 0, NULL);
2651 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
2652 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
2653 set_shared_volume_within_thread(i->origin_sink);
2657 /* Called from IO thread, except when it is not */
2658 int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
2659 pa_sink *s = PA_SINK(o);
2660 pa_sink_assert_ref(s);
2662 switch ((pa_sink_message_t) code) {
2664 case PA_SINK_MESSAGE_ADD_INPUT: {
2665 pa_sink_input *i = PA_SINK_INPUT(userdata);
2667 /* If you change anything here, make sure to change the
2668 * sink input handling a few lines down at
2669 * PA_SINK_MESSAGE_FINISH_MOVE, too. */
2671 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
2673 /* Since the caller sleeps in pa_sink_input_put(), we can
2674 * safely access data outside of thread_info even though
2677 if ((i->thread_info.sync_prev = i->sync_prev)) {
2678 pa_assert(i->sink == i->thread_info.sync_prev->sink);
2679 pa_assert(i->sync_prev->sync_next == i);
2680 i->thread_info.sync_prev->thread_info.sync_next = i;
2683 if ((i->thread_info.sync_next = i->sync_next)) {
2684 pa_assert(i->sink == i->thread_info.sync_next->sink);
2685 pa_assert(i->sync_next->sync_prev == i);
2686 i->thread_info.sync_next->thread_info.sync_prev = i;
2689 pa_sink_input_attach(i);
2691 pa_sink_input_set_state_within_thread(i, i->state);
2693 /* The requested latency of the sink input needs to be fixed up and
2694 * then configured on the sink. If this causes the sink latency to
2695 * go down, the sink implementor is responsible for doing a rewind
2696 * in the update_requested_latency() callback to ensure that the
2697 * sink buffer doesn't contain more data than what the new latency
2700 * XXX: Does it really make sense to push this responsibility to
2701 * the sink implementors? Wouldn't it be better to do it once in
2702 * the core than many times in the modules? */
2704 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
2705 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
2707 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
2708 pa_sink_input_update_max_request(i, s->thread_info.max_request);
2710 /* We don't rewind here automatically. This is left to the
2711 * sink input implementor because some sink inputs need a
2712 * slow start, i.e. need some time to buffer client
2713 * samples before beginning streaming.
2715 * XXX: Does it really make sense to push this functionality to
2716 * the sink implementors? Wouldn't it be better to do it once in
2717 * the core than many times in the modules? */
2719 /* In flat volume mode we need to update the volume as
2721 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2724 case PA_SINK_MESSAGE_REMOVE_INPUT: {
2725 pa_sink_input *i = PA_SINK_INPUT(userdata);
2727 /* If you change anything here, make sure to change the
2728 * sink input handling a few lines down at
2729 * PA_SINK_MESSAGE_START_MOVE, too. */
2731 pa_sink_input_detach(i);
2733 pa_sink_input_set_state_within_thread(i, i->state);
2735 /* Since the caller sleeps in pa_sink_input_unlink(),
2736 * we can safely access data outside of thread_info even
2737 * though it is mutable */
2739 pa_assert(!i->sync_prev);
2740 pa_assert(!i->sync_next);
2742 if (i->thread_info.sync_prev) {
2743 i->thread_info.sync_prev->thread_info.sync_next = i->thread_info.sync_prev->sync_next;
2744 i->thread_info.sync_prev = NULL;
2747 if (i->thread_info.sync_next) {
2748 i->thread_info.sync_next->thread_info.sync_prev = i->thread_info.sync_next->sync_prev;
2749 i->thread_info.sync_next = NULL;
2752 pa_hashmap_remove_and_free(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index));
2753 pa_sink_invalidate_requested_latency(s, true);
2754 pa_sink_request_rewind(s, (size_t) -1);
2756 /* In flat volume mode we need to update the volume as
2758 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2761 case PA_SINK_MESSAGE_START_MOVE: {
2762 pa_sink_input *i = PA_SINK_INPUT(userdata);
2764 /* We don't support moving synchronized streams. */
2765 pa_assert(!i->sync_prev);
2766 pa_assert(!i->sync_next);
2767 pa_assert(!i->thread_info.sync_next);
2768 pa_assert(!i->thread_info.sync_prev);
2770 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
2772 size_t sink_nbytes, total_nbytes;
2774 /* The old sink probably has some audio from this
2775 * stream in its buffer. We want to "take it back" as
2776 * much as possible and play it to the new sink. We
2777 * don't know at this point how much the old sink can
2778 * rewind. We have to pick something, and that
2779 * something is the full latency of the old sink here.
2780 * So we rewind the stream buffer by the sink latency
2781 * amount, which may be more than what we should
2782 * rewind. This can result in a chunk of audio being
2783 * played both to the old sink and the new sink.
2785 * FIXME: Fix this code so that we don't have to make
2786 * guesses about how much the sink will actually be
2787 * able to rewind. If someone comes up with a solution
2788 * for this, something to note is that the part of the
2789 * latency that the old sink couldn't rewind should
2790 * ideally be compensated after the stream has moved
2791 * to the new sink by adding silence. The new sink
2792 * most likely can't start playing the moved stream
2793 * immediately, and that gap should be removed from
2794 * the "compensation silence" (at least at the time of
2795 * writing this, the move finish code will actually
2796 * already take care of dropping the new sink's
2797 * unrewindable latency, so taking into account the
2798 * unrewindable latency of the old sink is the only
2801 * The render_memblockq contents are discarded,
2802 * because when the sink changes, the format of the
2803 * audio stored in the render_memblockq may change
2804 * too, making the stored audio invalid. FIXME:
2805 * However, the read and write indices are moved back
2806 * the same amount, so if they are not the same now,
2807 * they won't be the same after the rewind either. If
2808 * the write index of the render_memblockq is ahead of
2809 * the read index, then the render_memblockq will feed
2810 * the new sink some silence first, which it shouldn't
2811 * do. The write index should be flushed to be the
2812 * same as the read index. */
2814 /* Get the latency of the sink */
2815 usec = pa_sink_get_latency_within_thread(s, false);
2816 sink_nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
2817 total_nbytes = sink_nbytes + pa_memblockq_get_length(i->thread_info.render_memblockq);
2819 if (total_nbytes > 0) {
2820 i->thread_info.rewrite_nbytes = i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, total_nbytes) : total_nbytes;
2821 i->thread_info.rewrite_flush = true;
2822 pa_sink_input_process_rewind(i, sink_nbytes);
2826 pa_sink_input_detach(i);
2828 /* Let's remove the sink input ...*/
2829 pa_hashmap_remove_and_free(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index));
2831 pa_sink_invalidate_requested_latency(s, true);
2833 pa_log_debug("Requesting rewind due to started move");
2834 pa_sink_request_rewind(s, (size_t) -1);
2836 /* In flat volume mode we need to update the volume as
2838 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2841 case PA_SINK_MESSAGE_FINISH_MOVE: {
2842 pa_sink_input *i = PA_SINK_INPUT(userdata);
2844 /* We don't support moving synchronized streams. */
2845 pa_assert(!i->sync_prev);
2846 pa_assert(!i->sync_next);
2847 pa_assert(!i->thread_info.sync_next);
2848 pa_assert(!i->thread_info.sync_prev);
2850 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
2852 pa_sink_input_attach(i);
2854 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
2858 /* In the ideal case the new sink would start playing
2859 * the stream immediately. That requires the sink to
2860 * be able to rewind all of its latency, which usually
2861 * isn't possible, so there will probably be some gap
2862 * before the moved stream becomes audible. We then
2863 * have two possibilities: 1) start playing the stream
2864 * from where it is now, or 2) drop the unrewindable
2865 * latency of the sink from the stream. With option 1
2866 * we won't lose any audio but the stream will have a
2867 * pause. With option 2 we may lose some audio but the
2868 * stream time will be somewhat in sync with the wall
2869 * clock. Lennart seems to have chosen option 2 (one
2870 * of the reasons might have been that option 1 is
2871 * actually much harder to implement), so we drop the
2872 * latency of the new sink from the moved stream and
2873 * hope that the sink will undo most of that in the
2876 /* Get the latency of the sink */
2877 usec = pa_sink_get_latency_within_thread(s, false);
2878 nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
2881 pa_sink_input_drop(i, nbytes);
2883 pa_log_debug("Requesting rewind due to finished move");
2884 pa_sink_request_rewind(s, nbytes);
2887 /* Updating the requested sink latency has to be done
2888 * after the sink rewind request, not before, because
2889 * otherwise the sink may limit the rewind amount
2892 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
2893 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
2895 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
2896 pa_sink_input_update_max_request(i, s->thread_info.max_request);
2898 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2901 case PA_SINK_MESSAGE_SET_SHARED_VOLUME: {
2902 pa_sink *root_sink = pa_sink_get_master(s);
2904 if (PA_LIKELY(root_sink))
2905 set_shared_volume_within_thread(root_sink);
2910 case PA_SINK_MESSAGE_SET_VOLUME_SYNCED:
2912 if (s->flags & PA_SINK_DEFERRED_VOLUME) {
2914 pa_sink_volume_change_push(s);
2916 /* Fall through ... */
2918 case PA_SINK_MESSAGE_SET_VOLUME:
2920 if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
2921 s->thread_info.soft_volume = s->soft_volume;
2922 pa_sink_request_rewind(s, (size_t) -1);
2925 /* Fall through ... */
2927 case PA_SINK_MESSAGE_SYNC_VOLUMES:
2928 sync_input_volumes_within_thread(s);
2931 case PA_SINK_MESSAGE_GET_VOLUME:
2933 if ((s->flags & PA_SINK_DEFERRED_VOLUME) && s->get_volume) {
2935 pa_sink_volume_change_flush(s);
2936 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
2939 /* In case sink implementor reset SW volume. */
2940 if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
2941 s->thread_info.soft_volume = s->soft_volume;
2942 pa_sink_request_rewind(s, (size_t) -1);
2947 case PA_SINK_MESSAGE_SET_MUTE:
2949 if (s->thread_info.soft_muted != s->muted) {
2950 s->thread_info.soft_muted = s->muted;
2951 pa_sink_request_rewind(s, (size_t) -1);
2954 if (s->flags & PA_SINK_DEFERRED_VOLUME && s->set_mute)
2959 case PA_SINK_MESSAGE_GET_MUTE:
2961 if (s->flags & PA_SINK_DEFERRED_VOLUME && s->get_mute)
2962 return s->get_mute(s, userdata);
2966 case PA_SINK_MESSAGE_SET_STATE: {
2968 bool suspend_change =
2969 (s->thread_info.state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(PA_PTR_TO_UINT(userdata))) ||
2970 (PA_SINK_IS_OPENED(s->thread_info.state) && PA_PTR_TO_UINT(userdata) == PA_SINK_SUSPENDED);
2972 s->thread_info.state = PA_PTR_TO_UINT(userdata);
2974 if (s->thread_info.state == PA_SINK_SUSPENDED) {
2975 s->thread_info.rewind_nbytes = 0;
2976 s->thread_info.rewind_requested = false;
2979 if (suspend_change) {
2983 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
2984 if (i->suspend_within_thread)
2985 i->suspend_within_thread(i, s->thread_info.state == PA_SINK_SUSPENDED);
2991 case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY: {
2993 pa_usec_t *usec = userdata;
2994 *usec = pa_sink_get_requested_latency_within_thread(s);
2996 /* Yes, that's right, the IO thread will see -1 when no
2997 * explicit requested latency is configured, the main
2998 * thread will see max_latency */
2999 if (*usec == (pa_usec_t) -1)
3000 *usec = s->thread_info.max_latency;
3005 case PA_SINK_MESSAGE_SET_LATENCY_RANGE: {
3006 pa_usec_t *r = userdata;
3008 pa_sink_set_latency_range_within_thread(s, r[0], r[1]);
3013 case PA_SINK_MESSAGE_GET_LATENCY_RANGE: {
3014 pa_usec_t *r = userdata;
3016 r[0] = s->thread_info.min_latency;
3017 r[1] = s->thread_info.max_latency;
3022 case PA_SINK_MESSAGE_GET_FIXED_LATENCY:
3024 *((pa_usec_t*) userdata) = s->thread_info.fixed_latency;
3027 case PA_SINK_MESSAGE_SET_FIXED_LATENCY:
3029 pa_sink_set_fixed_latency_within_thread(s, (pa_usec_t) offset);
3032 case PA_SINK_MESSAGE_GET_MAX_REWIND:
3034 *((size_t*) userdata) = s->thread_info.max_rewind;
3037 case PA_SINK_MESSAGE_GET_MAX_REQUEST:
3039 *((size_t*) userdata) = s->thread_info.max_request;
3042 case PA_SINK_MESSAGE_SET_MAX_REWIND:
3044 pa_sink_set_max_rewind_within_thread(s, (size_t) offset);
3047 case PA_SINK_MESSAGE_SET_MAX_REQUEST:
3049 pa_sink_set_max_request_within_thread(s, (size_t) offset);
3052 case PA_SINK_MESSAGE_SET_PORT:
3054 pa_assert(userdata);
3056 struct sink_message_set_port *msg_data = userdata;
3057 msg_data->ret = s->set_port(s, msg_data->port);
3061 case PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE:
3062 /* This message is sent from IO-thread and handled in main thread. */
3063 pa_assert_ctl_context();
3065 /* Make sure we're not messing with main thread when no longer linked */
3066 if (!PA_SINK_IS_LINKED(s->state))
3069 pa_sink_get_volume(s, true);
3070 pa_sink_get_mute(s, true);
3073 case PA_SINK_MESSAGE_SET_PORT_LATENCY_OFFSET:
3074 s->thread_info.port_latency_offset = offset;
3077 case PA_SINK_MESSAGE_GET_LATENCY:
3078 case PA_SINK_MESSAGE_MAX:
3085 /* Called from main thread */
3086 int pa_sink_suspend_all(pa_core *c, bool suspend, pa_suspend_cause_t cause) {
3091 pa_core_assert_ref(c);
3092 pa_assert_ctl_context();
3093 pa_assert(cause != 0);
3095 PA_IDXSET_FOREACH(sink, c->sinks, idx) {
3098 if ((r = pa_sink_suspend(sink, suspend, cause)) < 0)
3105 /* Called from IO thread */
3106 void pa_sink_detach_within_thread(pa_sink *s) {
3110 pa_sink_assert_ref(s);
3111 pa_sink_assert_io_context(s);
3112 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
3114 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3115 pa_sink_input_detach(i);
3117 if (s->monitor_source)
3118 pa_source_detach_within_thread(s->monitor_source);
3121 /* Called from IO thread */
3122 void pa_sink_attach_within_thread(pa_sink *s) {
3126 pa_sink_assert_ref(s);
3127 pa_sink_assert_io_context(s);
3128 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
3130 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3131 pa_sink_input_attach(i);
3133 if (s->monitor_source)
3134 pa_source_attach_within_thread(s->monitor_source);
3137 /* Called from IO thread */
3138 void pa_sink_request_rewind(pa_sink*s, size_t nbytes) {
3139 pa_sink_assert_ref(s);
3140 pa_sink_assert_io_context(s);
3141 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
3143 if (nbytes == (size_t) -1)
3144 nbytes = s->thread_info.max_rewind;
3146 nbytes = PA_MIN(nbytes, s->thread_info.max_rewind);
3148 if (s->thread_info.rewind_requested &&
3149 nbytes <= s->thread_info.rewind_nbytes)
3152 s->thread_info.rewind_nbytes = nbytes;
3153 s->thread_info.rewind_requested = true;
3155 if (s->request_rewind)
3156 s->request_rewind(s);
3159 /* Called from IO thread */
3160 pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) {
3161 pa_usec_t result = (pa_usec_t) -1;
3164 pa_usec_t monitor_latency;
3166 pa_sink_assert_ref(s);
3167 pa_sink_assert_io_context(s);
3169 if (!(s->flags & PA_SINK_DYNAMIC_LATENCY))
3170 return PA_CLAMP(s->thread_info.fixed_latency, s->thread_info.min_latency, s->thread_info.max_latency);
3172 if (s->thread_info.requested_latency_valid)
3173 return s->thread_info.requested_latency;
3175 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3176 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1 &&
3177 (result == (pa_usec_t) -1 || result > i->thread_info.requested_sink_latency))
3178 result = i->thread_info.requested_sink_latency;
3180 monitor_latency = pa_source_get_requested_latency_within_thread(s->monitor_source);
3182 if (monitor_latency != (pa_usec_t) -1 &&
3183 (result == (pa_usec_t) -1 || result > monitor_latency))
3184 result = monitor_latency;
3186 if (result != (pa_usec_t) -1)
3187 result = PA_CLAMP(result, s->thread_info.min_latency, s->thread_info.max_latency);
3189 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3190 /* Only cache if properly initialized */
3191 s->thread_info.requested_latency = result;
3192 s->thread_info.requested_latency_valid = true;
3198 /* Called from main thread */
3199 pa_usec_t pa_sink_get_requested_latency(pa_sink *s) {
3202 pa_sink_assert_ref(s);
3203 pa_assert_ctl_context();
3204 pa_assert(PA_SINK_IS_LINKED(s->state));
3206 if (s->state == PA_SINK_SUSPENDED)
3209 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
3214 /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
3215 void pa_sink_set_max_rewind_within_thread(pa_sink *s, size_t max_rewind) {
3219 pa_sink_assert_ref(s);
3220 pa_sink_assert_io_context(s);
3222 if (max_rewind == s->thread_info.max_rewind)
3225 s->thread_info.max_rewind = max_rewind;
3227 if (PA_SINK_IS_LINKED(s->thread_info.state))
3228 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3229 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
3231 if (s->monitor_source)
3232 pa_source_set_max_rewind_within_thread(s->monitor_source, s->thread_info.max_rewind);
3235 /* Called from main thread */
3236 void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind) {
3237 pa_sink_assert_ref(s);
3238 pa_assert_ctl_context();
3240 if (PA_SINK_IS_LINKED(s->state))
3241 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MAX_REWIND, NULL, max_rewind, NULL) == 0);
3243 pa_sink_set_max_rewind_within_thread(s, max_rewind);
3246 /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
3247 void pa_sink_set_max_request_within_thread(pa_sink *s, size_t max_request) {
3250 pa_sink_assert_ref(s);
3251 pa_sink_assert_io_context(s);
3253 if (max_request == s->thread_info.max_request)
3256 s->thread_info.max_request = max_request;
3258 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3261 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3262 pa_sink_input_update_max_request(i, s->thread_info.max_request);
3266 /* Called from main thread */
3267 void pa_sink_set_max_request(pa_sink *s, size_t max_request) {
3268 pa_sink_assert_ref(s);
3269 pa_assert_ctl_context();
3271 if (PA_SINK_IS_LINKED(s->state))
3272 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MAX_REQUEST, NULL, max_request, NULL) == 0);
3274 pa_sink_set_max_request_within_thread(s, max_request);
3277 /* Called from IO thread */
3278 void pa_sink_invalidate_requested_latency(pa_sink *s, bool dynamic) {
3282 pa_sink_assert_ref(s);
3283 pa_sink_assert_io_context(s);
3285 if ((s->flags & PA_SINK_DYNAMIC_LATENCY))
3286 s->thread_info.requested_latency_valid = false;
3290 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3292 if (s->update_requested_latency)
3293 s->update_requested_latency(s);
3295 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3296 if (i->update_sink_requested_latency)
3297 i->update_sink_requested_latency(i);
3301 /* Called from main thread */
3302 void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
3303 pa_sink_assert_ref(s);
3304 pa_assert_ctl_context();
3306 /* min_latency == 0: no limit
3307 * min_latency anything else: specified limit
3309 * Similar for max_latency */
3311 if (min_latency < ABSOLUTE_MIN_LATENCY)
3312 min_latency = ABSOLUTE_MIN_LATENCY;
3314 if (max_latency <= 0 ||
3315 max_latency > ABSOLUTE_MAX_LATENCY)
3316 max_latency = ABSOLUTE_MAX_LATENCY;
3318 pa_assert(min_latency <= max_latency);
3320 /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
3321 pa_assert((min_latency == ABSOLUTE_MIN_LATENCY &&
3322 max_latency == ABSOLUTE_MAX_LATENCY) ||
3323 (s->flags & PA_SINK_DYNAMIC_LATENCY));
3325 if (PA_SINK_IS_LINKED(s->state)) {
3331 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0);
3333 pa_sink_set_latency_range_within_thread(s, min_latency, max_latency);
3336 /* Called from main thread */
3337 void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
3338 pa_sink_assert_ref(s);
3339 pa_assert_ctl_context();
3340 pa_assert(min_latency);
3341 pa_assert(max_latency);
3343 if (PA_SINK_IS_LINKED(s->state)) {
3344 pa_usec_t r[2] = { 0, 0 };
3346 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
3348 *min_latency = r[0];
3349 *max_latency = r[1];
3351 *min_latency = s->thread_info.min_latency;
3352 *max_latency = s->thread_info.max_latency;
3356 /* Called from IO thread */
3357 void pa_sink_set_latency_range_within_thread(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
3358 pa_sink_assert_ref(s);
3359 pa_sink_assert_io_context(s);
3361 pa_assert(min_latency >= ABSOLUTE_MIN_LATENCY);
3362 pa_assert(max_latency <= ABSOLUTE_MAX_LATENCY);
3363 pa_assert(min_latency <= max_latency);
3365 /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
3366 pa_assert((min_latency == ABSOLUTE_MIN_LATENCY &&
3367 max_latency == ABSOLUTE_MAX_LATENCY) ||
3368 (s->flags & PA_SINK_DYNAMIC_LATENCY));
3370 if (s->thread_info.min_latency == min_latency &&
3371 s->thread_info.max_latency == max_latency)
3374 s->thread_info.min_latency = min_latency;
3375 s->thread_info.max_latency = max_latency;
3377 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3381 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3382 if (i->update_sink_latency_range)
3383 i->update_sink_latency_range(i);
3386 pa_sink_invalidate_requested_latency(s, false);
3388 pa_source_set_latency_range_within_thread(s->monitor_source, min_latency, max_latency);
3391 /* Called from main thread */
3392 void pa_sink_set_fixed_latency(pa_sink *s, pa_usec_t latency) {
3393 pa_sink_assert_ref(s);
3394 pa_assert_ctl_context();
3396 if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
3397 pa_assert(latency == 0);
3401 if (latency < ABSOLUTE_MIN_LATENCY)
3402 latency = ABSOLUTE_MIN_LATENCY;
3404 if (latency > ABSOLUTE_MAX_LATENCY)
3405 latency = ABSOLUTE_MAX_LATENCY;
3407 if (PA_SINK_IS_LINKED(s->state))
3408 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_FIXED_LATENCY, NULL, (int64_t) latency, NULL) == 0);
3410 s->thread_info.fixed_latency = latency;
3412 pa_source_set_fixed_latency(s->monitor_source, latency);
3415 /* Called from main thread */
3416 pa_usec_t pa_sink_get_fixed_latency(pa_sink *s) {
3419 pa_sink_assert_ref(s);
3420 pa_assert_ctl_context();
3422 if (s->flags & PA_SINK_DYNAMIC_LATENCY)
3425 if (PA_SINK_IS_LINKED(s->state))
3426 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_FIXED_LATENCY, &latency, 0, NULL) == 0);
3428 latency = s->thread_info.fixed_latency;
3433 /* Called from IO thread */
3434 void pa_sink_set_fixed_latency_within_thread(pa_sink *s, pa_usec_t latency) {
3435 pa_sink_assert_ref(s);
3436 pa_sink_assert_io_context(s);
3438 if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
3439 pa_assert(latency == 0);
3440 s->thread_info.fixed_latency = 0;
3442 if (s->monitor_source)
3443 pa_source_set_fixed_latency_within_thread(s->monitor_source, 0);
3448 pa_assert(latency >= ABSOLUTE_MIN_LATENCY);
3449 pa_assert(latency <= ABSOLUTE_MAX_LATENCY);
3451 if (s->thread_info.fixed_latency == latency)
3454 s->thread_info.fixed_latency = latency;
3456 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3460 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3461 if (i->update_sink_fixed_latency)
3462 i->update_sink_fixed_latency(i);
3465 pa_sink_invalidate_requested_latency(s, false);
3467 pa_source_set_fixed_latency_within_thread(s->monitor_source, latency);
3470 /* Called from main context */
3471 void pa_sink_set_port_latency_offset(pa_sink *s, int64_t offset) {
3472 pa_sink_assert_ref(s);
3474 s->port_latency_offset = offset;
3476 if (PA_SINK_IS_LINKED(s->state))
3477 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT_LATENCY_OFFSET, NULL, offset, NULL) == 0);
3479 s->thread_info.port_latency_offset = offset;
3481 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PORT_LATENCY_OFFSET_CHANGED], s);
3484 /* Called from main context */
3485 size_t pa_sink_get_max_rewind(pa_sink *s) {
3487 pa_assert_ctl_context();
3488 pa_sink_assert_ref(s);
3490 if (!PA_SINK_IS_LINKED(s->state))
3491 return s->thread_info.max_rewind;
3493 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0);
3498 /* Called from main context */
3499 size_t pa_sink_get_max_request(pa_sink *s) {
3501 pa_sink_assert_ref(s);
3502 pa_assert_ctl_context();
3504 if (!PA_SINK_IS_LINKED(s->state))
3505 return s->thread_info.max_request;
3507 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REQUEST, &r, 0, NULL) == 0);
3512 /* Called from main context */
3513 int pa_sink_set_port(pa_sink *s, const char *name, bool save) {
3514 pa_device_port *port;
3517 pa_sink_assert_ref(s);
3518 pa_assert_ctl_context();
3521 pa_log_debug("set_port() operation not implemented for sink %u \"%s\"", s->index, s->name);
3522 return -PA_ERR_NOTIMPLEMENTED;
3526 return -PA_ERR_NOENTITY;
3528 if (!(port = pa_hashmap_get(s->ports, name)))
3529 return -PA_ERR_NOENTITY;
3531 if (s->active_port == port) {
3532 s->save_port = s->save_port || save;
3536 if (s->flags & PA_SINK_DEFERRED_VOLUME) {
3537 struct sink_message_set_port msg = { .port = port, .ret = 0 };
3538 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT, &msg, 0, NULL) == 0);
3542 ret = s->set_port(s, port);
3545 return -PA_ERR_NOENTITY;
3547 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
3549 pa_log_info("Changed port of sink %u \"%s\" to %s", s->index, s->name, port->name);
3551 s->active_port = port;
3552 s->save_port = save;
3554 pa_sink_set_port_latency_offset(s, s->active_port->latency_offset);
3556 /* The active port affects the default sink selection. */
3557 pa_core_update_default_sink(s->core);
3559 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PORT_CHANGED], s);
3564 bool pa_device_init_icon(pa_proplist *p, bool is_sink) {
3565 const char *ff, *c, *t = NULL, *s = "", *profile, *bus;
3569 if (pa_proplist_contains(p, PA_PROP_DEVICE_ICON_NAME))
3572 if ((ff = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
3574 if (pa_streq(ff, "microphone"))
3575 t = "audio-input-microphone";
3576 else if (pa_streq(ff, "webcam"))
3578 else if (pa_streq(ff, "computer"))
3580 else if (pa_streq(ff, "handset"))
3582 else if (pa_streq(ff, "portable"))
3583 t = "multimedia-player";
3584 else if (pa_streq(ff, "tv"))
3585 t = "video-display";
3588 * The following icons are not part of the icon naming spec,
3589 * because Rodney Dawes sucks as the maintainer of that spec.
3591 * http://lists.freedesktop.org/archives/xdg/2009-May/010397.html
3593 else if (pa_streq(ff, "headset"))
3594 t = "audio-headset";
3595 else if (pa_streq(ff, "headphone"))
3596 t = "audio-headphones";
3597 else if (pa_streq(ff, "speaker"))
3598 t = "audio-speakers";
3599 else if (pa_streq(ff, "hands-free"))
3600 t = "audio-handsfree";
3604 if ((c = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
3605 if (pa_streq(c, "modem"))
3612 t = "audio-input-microphone";
3615 if ((profile = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
3616 if (strstr(profile, "analog"))
3618 else if (strstr(profile, "iec958"))
3620 else if (strstr(profile, "hdmi"))
3624 bus = pa_proplist_gets(p, PA_PROP_DEVICE_BUS);
3626 pa_proplist_setf(p, PA_PROP_DEVICE_ICON_NAME, "%s%s%s%s", t, pa_strempty(s), bus ? "-" : "", pa_strempty(bus));
3631 bool pa_device_init_description(pa_proplist *p, pa_card *card) {
3632 const char *s, *d = NULL, *k;
3635 if (pa_proplist_contains(p, PA_PROP_DEVICE_DESCRIPTION))
3639 if ((s = pa_proplist_gets(card->proplist, PA_PROP_DEVICE_DESCRIPTION)))
3643 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
3644 if (pa_streq(s, "internal"))
3645 d = _("Built-in Audio");
3648 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
3649 if (pa_streq(s, "modem"))
3653 d = pa_proplist_gets(p, PA_PROP_DEVICE_PRODUCT_NAME);
3658 k = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_DESCRIPTION);
3661 pa_proplist_setf(p, PA_PROP_DEVICE_DESCRIPTION, "%s %s", d, k);
3663 pa_proplist_sets(p, PA_PROP_DEVICE_DESCRIPTION, d);
3668 bool pa_device_init_intended_roles(pa_proplist *p) {
3672 if (pa_proplist_contains(p, PA_PROP_DEVICE_INTENDED_ROLES))
3675 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
3676 if (pa_streq(s, "handset") || pa_streq(s, "hands-free")
3677 || pa_streq(s, "headset")) {
3678 pa_proplist_sets(p, PA_PROP_DEVICE_INTENDED_ROLES, "phone");
3685 unsigned pa_device_init_priority(pa_proplist *p) {
3687 unsigned priority = 0;
3691 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS))) {
3693 if (pa_streq(s, "sound"))
3695 else if (!pa_streq(s, "modem"))
3699 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
3701 if (pa_streq(s, "headphone"))
3703 else if (pa_streq(s, "hifi"))
3705 else if (pa_streq(s, "speaker"))
3707 else if (pa_streq(s, "portable"))
3711 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_BUS))) {
3713 if (pa_streq(s, "bluetooth"))
3715 else if (pa_streq(s, "usb"))
3717 else if (pa_streq(s, "pci"))
3721 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
3723 if (pa_startswith(s, "analog-"))
3725 else if (pa_startswith(s, "iec958-"))
3732 PA_STATIC_FLIST_DECLARE(pa_sink_volume_change, 0, pa_xfree);
3734 /* Called from the IO thread. */
3735 static pa_sink_volume_change *pa_sink_volume_change_new(pa_sink *s) {
3736 pa_sink_volume_change *c;
3737 if (!(c = pa_flist_pop(PA_STATIC_FLIST_GET(pa_sink_volume_change))))
3738 c = pa_xnew(pa_sink_volume_change, 1);
3740 PA_LLIST_INIT(pa_sink_volume_change, c);
3742 pa_cvolume_reset(&c->hw_volume, s->sample_spec.channels);
3746 /* Called from the IO thread. */
3747 static void pa_sink_volume_change_free(pa_sink_volume_change *c) {
3749 if (pa_flist_push(PA_STATIC_FLIST_GET(pa_sink_volume_change), c) < 0)
3753 /* Called from the IO thread. */
3754 void pa_sink_volume_change_push(pa_sink *s) {
3755 pa_sink_volume_change *c = NULL;
3756 pa_sink_volume_change *nc = NULL;
3757 pa_sink_volume_change *pc = NULL;
3758 uint32_t safety_margin = s->thread_info.volume_change_safety_margin;
3760 const char *direction = NULL;
3763 nc = pa_sink_volume_change_new(s);
3765 /* NOTE: There is already more different volumes in pa_sink that I can remember.
3766 * Adding one more volume for HW would get us rid of this, but I am trying
3767 * to survive with the ones we already have. */
3768 pa_sw_cvolume_divide(&nc->hw_volume, &s->real_volume, &s->soft_volume);
3770 if (!s->thread_info.volume_changes && pa_cvolume_equal(&nc->hw_volume, &s->thread_info.current_hw_volume)) {
3771 pa_log_debug("Volume not changing");
3772 pa_sink_volume_change_free(nc);
3776 nc->at = pa_sink_get_latency_within_thread(s, false);
3777 nc->at += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
3779 if (s->thread_info.volume_changes_tail) {
3780 for (c = s->thread_info.volume_changes_tail; c; c = c->prev) {
3781 /* If volume is going up let's do it a bit late. If it is going
3782 * down let's do it a bit early. */
3783 if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&c->hw_volume)) {
3784 if (nc->at + safety_margin > c->at) {
3785 nc->at += safety_margin;
3790 else if (nc->at - safety_margin > c->at) {
3791 nc->at -= safety_margin;
3799 if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&s->thread_info.current_hw_volume)) {
3800 nc->at += safety_margin;
3803 nc->at -= safety_margin;
3806 PA_LLIST_PREPEND(pa_sink_volume_change, s->thread_info.volume_changes, nc);
3809 PA_LLIST_INSERT_AFTER(pa_sink_volume_change, s->thread_info.volume_changes, c, nc);
3812 pa_log_debug("Volume going %s to %d at %llu", direction, pa_cvolume_avg(&nc->hw_volume), (long long unsigned) nc->at);
3814 /* We can ignore volume events that came earlier but should happen later than this. */
3815 PA_LLIST_FOREACH_SAFE(c, pc, nc->next) {
3816 pa_log_debug("Volume change to %d at %llu was dropped", pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at);
3817 pa_sink_volume_change_free(c);
3820 s->thread_info.volume_changes_tail = nc;
3823 /* Called from the IO thread. */
3824 static void pa_sink_volume_change_flush(pa_sink *s) {
3825 pa_sink_volume_change *c = s->thread_info.volume_changes;
3827 s->thread_info.volume_changes = NULL;
3828 s->thread_info.volume_changes_tail = NULL;
3830 pa_sink_volume_change *next = c->next;
3831 pa_sink_volume_change_free(c);
3836 /* Called from the IO thread. */
3837 bool pa_sink_volume_change_apply(pa_sink *s, pa_usec_t *usec_to_next) {
3843 if (!s->thread_info.volume_changes || !PA_SINK_IS_LINKED(s->state)) {
3849 pa_assert(s->write_volume);
3851 now = pa_rtclock_now();
3853 while (s->thread_info.volume_changes && now >= s->thread_info.volume_changes->at) {
3854 pa_sink_volume_change *c = s->thread_info.volume_changes;
3855 PA_LLIST_REMOVE(pa_sink_volume_change, s->thread_info.volume_changes, c);
3856 pa_log_debug("Volume change to %d at %llu was written %llu usec late",
3857 pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at, (long long unsigned) (now - c->at));
3859 s->thread_info.current_hw_volume = c->hw_volume;
3860 pa_sink_volume_change_free(c);
3866 if (s->thread_info.volume_changes) {
3868 *usec_to_next = s->thread_info.volume_changes->at - now;
3869 if (pa_log_ratelimit(PA_LOG_DEBUG))
3870 pa_log_debug("Next volume change in %lld usec", (long long) (s->thread_info.volume_changes->at - now));
3875 s->thread_info.volume_changes_tail = NULL;
3880 /* Called from the IO thread. */
3881 static void pa_sink_volume_change_rewind(pa_sink *s, size_t nbytes) {
3882 /* All the queued volume events later than current latency are shifted to happen earlier. */
3883 pa_sink_volume_change *c;
3884 pa_volume_t prev_vol = pa_cvolume_avg(&s->thread_info.current_hw_volume);
3885 pa_usec_t rewound = pa_bytes_to_usec(nbytes, &s->sample_spec);
3886 pa_usec_t limit = pa_sink_get_latency_within_thread(s, false);
3888 pa_log_debug("latency = %lld", (long long) limit);
3889 limit += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
3891 PA_LLIST_FOREACH(c, s->thread_info.volume_changes) {
3892 pa_usec_t modified_limit = limit;
3893 if (prev_vol > pa_cvolume_avg(&c->hw_volume))
3894 modified_limit -= s->thread_info.volume_change_safety_margin;
3896 modified_limit += s->thread_info.volume_change_safety_margin;
3897 if (c->at > modified_limit) {
3899 if (c->at < modified_limit)
3900 c->at = modified_limit;
3902 prev_vol = pa_cvolume_avg(&c->hw_volume);
3904 pa_sink_volume_change_apply(s, NULL);
3907 /* Called from the main thread */
3908 /* Gets the list of formats supported by the sink. The members and idxset must
3909 * be freed by the caller. */
3910 pa_idxset* pa_sink_get_formats(pa_sink *s) {
3915 if (s->get_formats) {
3916 /* Sink supports format query, all is good */
3917 ret = s->get_formats(s);
3919 /* Sink doesn't support format query, so assume it does PCM */
3920 pa_format_info *f = pa_format_info_new();
3921 f->encoding = PA_ENCODING_PCM;
3923 ret = pa_idxset_new(NULL, NULL);
3924 pa_idxset_put(ret, f, NULL);
3930 /* Called from the main thread */
3931 /* Allows an external source to set what formats a sink supports if the sink
3932 * permits this. The function makes a copy of the formats on success. */
3933 bool pa_sink_set_formats(pa_sink *s, pa_idxset *formats) {
3938 /* Sink supports setting formats -- let's give it a shot */
3939 return s->set_formats(s, formats);
3941 /* Sink doesn't support setting this -- bail out */
3945 /* Called from the main thread */
3946 /* Checks if the sink can accept this format */
3947 bool pa_sink_check_format(pa_sink *s, pa_format_info *f) {
3948 pa_idxset *formats = NULL;
3954 formats = pa_sink_get_formats(s);
3957 pa_format_info *finfo_device;
3960 PA_IDXSET_FOREACH(finfo_device, formats, i) {
3961 if (pa_format_info_is_compatible(finfo_device, f)) {
3967 pa_idxset_free(formats, (pa_free_cb_t) pa_format_info_free);
3973 /* Called from the main thread */
3974 /* Calculates the intersection between formats supported by the sink and
3975 * in_formats, and returns these, in the order of the sink's formats. */
3976 pa_idxset* pa_sink_check_formats(pa_sink *s, pa_idxset *in_formats) {
3977 pa_idxset *out_formats = pa_idxset_new(NULL, NULL), *sink_formats = NULL;
3978 pa_format_info *f_sink, *f_in;
3983 if (!in_formats || pa_idxset_isempty(in_formats))
3986 sink_formats = pa_sink_get_formats(s);
3988 PA_IDXSET_FOREACH(f_sink, sink_formats, i) {
3989 PA_IDXSET_FOREACH(f_in, in_formats, j) {
3990 if (pa_format_info_is_compatible(f_sink, f_in))
3991 pa_idxset_put(out_formats, pa_format_info_copy(f_in), NULL);
3997 pa_idxset_free(sink_formats, (pa_free_cb_t) pa_format_info_free);
4002 /* Called from the main thread. */
4003 void pa_sink_set_reference_volume_direct(pa_sink *s, const pa_cvolume *volume) {
4004 pa_cvolume old_volume;
4005 char old_volume_str[PA_CVOLUME_SNPRINT_VERBOSE_MAX];
4006 char new_volume_str[PA_CVOLUME_SNPRINT_VERBOSE_MAX];
4011 old_volume = s->reference_volume;
4013 if (pa_cvolume_equal(volume, &old_volume))
4016 s->reference_volume = *volume;
4017 pa_log_debug("The reference volume of sink %s changed from %s to %s.", s->name,
4018 pa_cvolume_snprint_verbose(old_volume_str, sizeof(old_volume_str), &old_volume, &s->channel_map,
4019 s->flags & PA_SINK_DECIBEL_VOLUME),
4020 pa_cvolume_snprint_verbose(new_volume_str, sizeof(new_volume_str), volume, &s->channel_map,
4021 s->flags & PA_SINK_DECIBEL_VOLUME));
4023 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
4024 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_VOLUME_CHANGED], s);