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_format = s->sample_spec.format;
343 s->selected_sample_rate = s->sample_spec.rate;
346 s->inputs = pa_idxset_new(NULL, NULL);
348 s->input_to_master = NULL;
350 s->reference_volume = s->real_volume = data->volume;
351 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
352 s->base_volume = PA_VOLUME_NORM;
353 s->n_volume_steps = PA_VOLUME_NORM+1;
354 s->muted = data->muted;
355 s->refresh_volume = s->refresh_muted = false;
362 /* As a minor optimization we just steal the list instead of
364 s->ports = data->ports;
367 s->active_port = NULL;
368 s->save_port = false;
370 if (data->active_port)
371 if ((s->active_port = pa_hashmap_get(s->ports, data->active_port)))
372 s->save_port = data->save_port;
374 /* Hopefully the active port has already been assigned in the previous call
375 to pa_device_port_find_best, but better safe than sorry */
377 s->active_port = pa_device_port_find_best(s->ports);
380 s->port_latency_offset = s->active_port->latency_offset;
382 s->port_latency_offset = 0;
384 s->save_volume = data->save_volume;
385 s->save_muted = data->save_muted;
386 #ifdef TIZEN_PCM_DUMP
387 s->pcm_dump_fp = NULL;
391 pa_silence_memchunk_get(
392 &core->silence_cache,
398 s->thread_info.rtpoll = NULL;
399 s->thread_info.inputs = pa_hashmap_new_full(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func, NULL,
400 (pa_free_cb_t) pa_sink_input_unref);
401 s->thread_info.soft_volume = s->soft_volume;
402 s->thread_info.soft_muted = s->muted;
403 s->thread_info.state = s->state;
404 s->thread_info.rewind_nbytes = 0;
405 s->thread_info.rewind_requested = false;
406 s->thread_info.max_rewind = 0;
407 s->thread_info.max_request = 0;
408 s->thread_info.requested_latency_valid = false;
409 s->thread_info.requested_latency = 0;
410 s->thread_info.min_latency = ABSOLUTE_MIN_LATENCY;
411 s->thread_info.max_latency = ABSOLUTE_MAX_LATENCY;
412 s->thread_info.fixed_latency = flags & PA_SINK_DYNAMIC_LATENCY ? 0 : DEFAULT_FIXED_LATENCY;
414 PA_LLIST_HEAD_INIT(pa_sink_volume_change, s->thread_info.volume_changes);
415 s->thread_info.volume_changes_tail = NULL;
416 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
417 s->thread_info.volume_change_safety_margin = core->deferred_volume_safety_margin_usec;
418 s->thread_info.volume_change_extra_delay = core->deferred_volume_extra_delay_usec;
419 s->thread_info.port_latency_offset = s->port_latency_offset;
421 /* FIXME: This should probably be moved to pa_sink_put() */
422 pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0);
425 pa_assert_se(pa_idxset_put(s->card->sinks, s, NULL) >= 0);
427 pt = pa_proplist_to_string_sep(s->proplist, "\n ");
428 pa_log_info("Created sink %u \"%s\" with sample spec %s and channel map %s\n %s",
431 pa_sample_spec_snprint(st, sizeof(st), &s->sample_spec),
432 pa_channel_map_snprint(cm, sizeof(cm), &s->channel_map),
436 pa_source_new_data_init(&source_data);
437 pa_source_new_data_set_sample_spec(&source_data, &s->sample_spec);
438 pa_source_new_data_set_channel_map(&source_data, &s->channel_map);
439 pa_source_new_data_set_alternate_sample_rate(&source_data, s->alternate_sample_rate);
440 source_data.name = pa_sprintf_malloc("%s.monitor", name);
441 source_data.driver = data->driver;
442 source_data.module = data->module;
443 source_data.card = data->card;
445 dn = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
446 pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Monitor of %s", dn ? dn : s->name);
447 pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "monitor");
449 s->monitor_source = pa_source_new(core, &source_data,
450 ((flags & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
451 ((flags & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0));
453 pa_source_new_data_done(&source_data);
455 if (!s->monitor_source) {
461 s->monitor_source->monitor_of = s;
463 pa_source_set_latency_range(s->monitor_source, s->thread_info.min_latency, s->thread_info.max_latency);
464 pa_source_set_fixed_latency(s->monitor_source, s->thread_info.fixed_latency);
465 pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
470 /* Called from main context */
471 static int sink_set_state(pa_sink *s, pa_sink_state_t state, pa_suspend_cause_t suspend_cause) {
474 bool suspend_cause_changed;
479 pa_assert_ctl_context();
481 state_changed = state != s->state;
482 suspend_cause_changed = suspend_cause != s->suspend_cause;
484 if (!state_changed && !suspend_cause_changed)
487 suspending = PA_SINK_IS_OPENED(s->state) && state == PA_SINK_SUSPENDED;
488 resuming = s->state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(state);
490 /* If we are resuming, suspend_cause must be 0. */
491 pa_assert(!resuming || !suspend_cause);
493 /* Here's something to think about: what to do with the suspend cause if
494 * resuming the sink fails? The old suspend cause will be incorrect, so we
495 * can't use that. On the other hand, if we set no suspend cause (as is the
496 * case currently), then it looks strange to have a sink suspended without
497 * any cause. It might be a good idea to add a new "resume failed" suspend
498 * cause, or it might just add unnecessary complexity, given that the
499 * current approach of not setting any suspend cause works well enough. */
501 if (s->set_state && state_changed) {
502 ret = s->set_state(s, state);
503 /* set_state() is allowed to fail only when resuming. */
504 pa_assert(ret >= 0 || resuming);
507 if (ret >= 0 && s->asyncmsgq && state_changed)
508 if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
509 /* SET_STATE is allowed to fail only when resuming. */
513 s->set_state(s, PA_SINK_SUSPENDED);
516 #ifdef TIZEN_PCM_DUMP
517 /* close file for dump pcm */
518 if (s->pcm_dump_fp && (s->core->pcm_dump_option & PA_PCM_DUMP_OPTION_SEPARATED) && suspending) {
519 fclose(s->pcm_dump_fp);
520 pa_log_info("%s closed", s->dump_path);
521 pa_xfree(s->dump_path);
522 s->pcm_dump_fp = NULL;
525 if (suspend_cause_changed) {
526 char old_cause_buf[PA_SUSPEND_CAUSE_TO_STRING_BUF_SIZE];
527 char new_cause_buf[PA_SUSPEND_CAUSE_TO_STRING_BUF_SIZE];
529 pa_log_debug("%s: suspend_cause: %s -> %s", s->name, pa_suspend_cause_to_string(s->suspend_cause, old_cause_buf),
530 pa_suspend_cause_to_string(suspend_cause, new_cause_buf));
531 s->suspend_cause = suspend_cause;
538 pa_log_debug("%s: state: %s -> %s", s->name, pa_sink_state_to_string(s->state), pa_sink_state_to_string(state));
541 /* If we enter UNLINKED state, then we don't send change notifications.
542 * pa_sink_unlink() will send unlink notifications instead. */
543 if (state != PA_SINK_UNLINKED) {
544 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], s);
545 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
549 if (suspending || resuming) {
553 /* We're suspending or resuming, tell everyone about it */
555 PA_IDXSET_FOREACH(i, s->inputs, idx)
556 if (s->state == PA_SINK_SUSPENDED &&
557 (i->flags & PA_SINK_INPUT_KILL_ON_SUSPEND))
558 pa_sink_input_kill(i);
560 i->suspend(i, state == PA_SINK_SUSPENDED);
564 if ((suspending || resuming || suspend_cause_changed) && s->monitor_source && state != PA_SINK_UNLINKED)
565 pa_source_sync_suspend(s->monitor_source);
570 void pa_sink_set_get_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
576 void pa_sink_set_set_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
577 pa_sink_flags_t flags;
580 pa_assert(!s->write_volume || cb);
584 /* Save the current flags so we can tell if they've changed */
588 /* The sink implementor is responsible for setting decibel volume support */
589 s->flags |= PA_SINK_HW_VOLUME_CTRL;
591 s->flags &= ~PA_SINK_HW_VOLUME_CTRL;
592 /* See note below in pa_sink_put() about volume sharing and decibel volumes */
593 pa_sink_enable_decibel_volume(s, !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
596 /* If the flags have changed after init, let any clients know via a change event */
597 if (s->state != PA_SINK_INIT && flags != s->flags)
598 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
601 void pa_sink_set_write_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
602 pa_sink_flags_t flags;
605 pa_assert(!cb || s->set_volume);
607 s->write_volume = cb;
609 /* Save the current flags so we can tell if they've changed */
613 s->flags |= PA_SINK_DEFERRED_VOLUME;
615 s->flags &= ~PA_SINK_DEFERRED_VOLUME;
617 /* If the flags have changed after init, let any clients know via a change event */
618 if (s->state != PA_SINK_INIT && flags != s->flags)
619 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
622 void pa_sink_set_get_mute_callback(pa_sink *s, pa_sink_get_mute_cb_t cb) {
628 void pa_sink_set_set_mute_callback(pa_sink *s, pa_sink_cb_t cb) {
629 pa_sink_flags_t flags;
635 /* Save the current flags so we can tell if they've changed */
639 s->flags |= PA_SINK_HW_MUTE_CTRL;
641 s->flags &= ~PA_SINK_HW_MUTE_CTRL;
643 /* If the flags have changed after init, let any clients know via a change event */
644 if (s->state != PA_SINK_INIT && flags != s->flags)
645 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
648 static void enable_flat_volume(pa_sink *s, bool enable) {
649 pa_sink_flags_t flags;
653 /* Always follow the overall user preference here */
654 enable = enable && s->core->flat_volumes;
656 /* Save the current flags so we can tell if they've changed */
660 s->flags |= PA_SINK_FLAT_VOLUME;
662 s->flags &= ~PA_SINK_FLAT_VOLUME;
664 /* If the flags have changed after init, let any clients know via a change event */
665 if (s->state != PA_SINK_INIT && flags != s->flags)
666 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
669 void pa_sink_enable_decibel_volume(pa_sink *s, bool enable) {
670 pa_sink_flags_t flags;
674 /* Save the current flags so we can tell if they've changed */
678 s->flags |= PA_SINK_DECIBEL_VOLUME;
679 enable_flat_volume(s, true);
681 s->flags &= ~PA_SINK_DECIBEL_VOLUME;
682 enable_flat_volume(s, false);
685 /* If the flags have changed after init, let any clients know via a change event */
686 if (s->state != PA_SINK_INIT && flags != s->flags)
687 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
690 /* Called from main context */
691 void pa_sink_put(pa_sink* s) {
692 pa_sink_assert_ref(s);
693 pa_assert_ctl_context();
695 pa_assert(s->state == PA_SINK_INIT);
696 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || pa_sink_is_filter(s));
698 /* The following fields must be initialized properly when calling _put() */
699 pa_assert(s->asyncmsgq);
700 pa_assert(s->thread_info.min_latency <= s->thread_info.max_latency);
702 /* Generally, flags should be initialized via pa_sink_new(). As a
703 * special exception we allow some volume related flags to be set
704 * between _new() and _put() by the callback setter functions above.
706 * Thus we implement a couple safeguards here which ensure the above
707 * setters were used (or at least the implementor made manual changes
708 * in a compatible way).
710 * Note: All of these flags set here can change over the life time
712 pa_assert(!(s->flags & PA_SINK_HW_VOLUME_CTRL) || s->set_volume);
713 pa_assert(!(s->flags & PA_SINK_DEFERRED_VOLUME) || s->write_volume);
714 pa_assert(!(s->flags & PA_SINK_HW_MUTE_CTRL) || s->set_mute);
716 /* XXX: Currently decibel volume is disabled for all sinks that use volume
717 * sharing. When the master sink supports decibel volume, it would be good
718 * to have the flag also in the filter sink, but currently we don't do that
719 * so that the flags of the filter sink never change when it's moved from
720 * a master sink to another. One solution for this problem would be to
721 * remove user-visible volume altogether from filter sinks when volume
722 * sharing is used, but the current approach was easier to implement... */
723 /* We always support decibel volumes in software, otherwise we leave it to
724 * the sink implementor to set this flag as needed.
726 * Note: This flag can also change over the life time of the sink. */
727 if (!(s->flags & PA_SINK_HW_VOLUME_CTRL) && !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
728 pa_sink_enable_decibel_volume(s, true);
729 s->soft_volume = s->reference_volume;
732 /* If the sink implementor support DB volumes by itself, we should always
733 * try and enable flat volumes too */
734 if ((s->flags & PA_SINK_DECIBEL_VOLUME))
735 enable_flat_volume(s, true);
737 if (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) {
738 pa_sink *root_sink = pa_sink_get_master(s);
740 pa_assert(root_sink);
742 s->reference_volume = root_sink->reference_volume;
743 pa_cvolume_remap(&s->reference_volume, &root_sink->channel_map, &s->channel_map);
745 s->real_volume = root_sink->real_volume;
746 pa_cvolume_remap(&s->real_volume, &root_sink->channel_map, &s->channel_map);
748 /* We assume that if the sink implementor changed the default
749 * volume he did so in real_volume, because that is the usual
750 * place where he is supposed to place his changes. */
751 s->reference_volume = s->real_volume;
753 s->thread_info.soft_volume = s->soft_volume;
754 s->thread_info.soft_muted = s->muted;
755 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
757 pa_assert((s->flags & PA_SINK_HW_VOLUME_CTRL)
758 || (s->base_volume == PA_VOLUME_NORM
759 && ((s->flags & PA_SINK_DECIBEL_VOLUME || (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)))));
760 pa_assert(!(s->flags & PA_SINK_DECIBEL_VOLUME) || s->n_volume_steps == PA_VOLUME_NORM+1);
761 pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == !(s->thread_info.fixed_latency == 0));
762 pa_assert(!(s->flags & PA_SINK_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_LATENCY));
763 pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_DYNAMIC_LATENCY));
765 pa_assert(s->monitor_source->thread_info.fixed_latency == s->thread_info.fixed_latency);
766 pa_assert(s->monitor_source->thread_info.min_latency == s->thread_info.min_latency);
767 pa_assert(s->monitor_source->thread_info.max_latency == s->thread_info.max_latency);
769 if (s->suspend_cause)
770 pa_assert_se(sink_set_state(s, PA_SINK_SUSPENDED, s->suspend_cause) == 0);
772 pa_assert_se(sink_set_state(s, PA_SINK_IDLE, 0) == 0);
774 pa_source_put(s->monitor_source);
776 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index);
777 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PUT], s);
779 /* This function must be called after the PA_CORE_HOOK_SINK_PUT hook,
780 * because module-switch-on-connect needs to know the old default sink */
781 pa_core_update_default_sink(s->core);
784 /* Called from main context */
785 void pa_sink_unlink(pa_sink* s) {
787 pa_sink_input *i, PA_UNUSED *j = NULL;
789 pa_sink_assert_ref(s);
790 pa_assert_ctl_context();
792 /* Please note that pa_sink_unlink() does more than simply
793 * reversing pa_sink_put(). It also undoes the registrations
794 * already done in pa_sink_new()! */
796 if (s->unlink_requested)
799 s->unlink_requested = true;
801 linked = PA_SINK_IS_LINKED(s->state);
804 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK], s);
806 if (s->state != PA_SINK_UNLINKED)
807 pa_namereg_unregister(s->core, s->name);
808 pa_idxset_remove_by_data(s->core->sinks, s, NULL);
810 pa_core_update_default_sink(s->core);
813 pa_idxset_remove_by_data(s->card->sinks, s, NULL);
815 while ((i = pa_idxset_first(s->inputs, NULL))) {
817 pa_sink_input_kill(i);
822 sink_set_state(s, PA_SINK_UNLINKED, 0);
824 s->state = PA_SINK_UNLINKED;
828 if (s->monitor_source)
829 pa_source_unlink(s->monitor_source);
832 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
833 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], s);
837 /* Called from main context */
838 static void sink_free(pa_object *o) {
839 pa_sink *s = PA_SINK(o);
842 pa_assert_ctl_context();
843 pa_assert(pa_sink_refcnt(s) == 0);
844 pa_assert(!PA_SINK_IS_LINKED(s->state));
846 pa_log_info("Freeing sink %u \"%s\"", s->index, s->name);
848 pa_sink_volume_change_flush(s);
850 if (s->monitor_source) {
851 pa_source_unref(s->monitor_source);
852 s->monitor_source = NULL;
855 pa_idxset_free(s->inputs, NULL);
856 pa_hashmap_free(s->thread_info.inputs);
858 if (s->silence.memblock)
859 pa_memblock_unref(s->silence.memblock);
865 pa_proplist_free(s->proplist);
868 pa_hashmap_free(s->ports);
870 #ifdef TIZEN_PCM_DUMP
871 /* close file for dump pcm */
872 if (s->pcm_dump_fp) {
873 fclose(s->pcm_dump_fp);
874 pa_log_info("%s closed", s->dump_path);
875 pa_xfree(s->dump_path);
876 s->pcm_dump_fp = NULL;
882 /* Called from main context, and not while the IO thread is active, please */
883 void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) {
884 pa_sink_assert_ref(s);
885 pa_assert_ctl_context();
889 if (s->monitor_source)
890 pa_source_set_asyncmsgq(s->monitor_source, q);
893 /* Called from main context, and not while the IO thread is active, please */
894 void pa_sink_update_flags(pa_sink *s, pa_sink_flags_t mask, pa_sink_flags_t value) {
895 pa_sink_flags_t old_flags;
896 pa_sink_input *input;
899 pa_sink_assert_ref(s);
900 pa_assert_ctl_context();
902 /* For now, allow only a minimal set of flags to be changed. */
903 pa_assert((mask & ~(PA_SINK_DYNAMIC_LATENCY|PA_SINK_LATENCY)) == 0);
905 old_flags = s->flags;
906 s->flags = (s->flags & ~mask) | (value & mask);
908 if (s->flags == old_flags)
911 if ((s->flags & PA_SINK_LATENCY) != (old_flags & PA_SINK_LATENCY))
912 pa_log_debug("Sink %s: LATENCY flag %s.", s->name, (s->flags & PA_SINK_LATENCY) ? "enabled" : "disabled");
914 if ((s->flags & PA_SINK_DYNAMIC_LATENCY) != (old_flags & PA_SINK_DYNAMIC_LATENCY))
915 pa_log_debug("Sink %s: DYNAMIC_LATENCY flag %s.",
916 s->name, (s->flags & PA_SINK_DYNAMIC_LATENCY) ? "enabled" : "disabled");
918 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
919 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_FLAGS_CHANGED], s);
921 if (s->monitor_source)
922 pa_source_update_flags(s->monitor_source,
923 ((mask & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
924 ((mask & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0),
925 ((value & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
926 ((value & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0));
928 PA_IDXSET_FOREACH(input, s->inputs, idx) {
929 if (input->origin_sink)
930 pa_sink_update_flags(input->origin_sink, mask, value);
934 /* Called from IO context, or before _put() from main context */
935 void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) {
936 pa_sink_assert_ref(s);
937 pa_sink_assert_io_context(s);
939 s->thread_info.rtpoll = p;
941 if (s->monitor_source)
942 pa_source_set_rtpoll(s->monitor_source, p);
945 /* Called from main context */
946 int pa_sink_update_status(pa_sink*s) {
947 pa_sink_assert_ref(s);
948 pa_assert_ctl_context();
949 pa_assert(PA_SINK_IS_LINKED(s->state));
951 if (s->state == PA_SINK_SUSPENDED)
954 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE, 0);
957 /* Called from any context - must be threadsafe */
958 void pa_sink_set_mixer_dirty(pa_sink *s, bool is_dirty) {
959 pa_atomic_store(&s->mixer_dirty, is_dirty ? 1 : 0);
962 /* Called from main context */
963 int pa_sink_suspend(pa_sink *s, bool suspend, pa_suspend_cause_t cause) {
964 pa_suspend_cause_t merged_cause;
966 pa_sink_assert_ref(s);
967 pa_assert_ctl_context();
968 pa_assert(PA_SINK_IS_LINKED(s->state));
969 pa_assert(cause != 0);
972 merged_cause = s->suspend_cause | cause;
974 merged_cause = s->suspend_cause & ~cause;
976 if (!(merged_cause & PA_SUSPEND_SESSION) && (pa_atomic_load(&s->mixer_dirty) != 0)) {
977 /* This might look racy but isn't: If somebody sets mixer_dirty exactly here,
978 it'll be handled just fine. */
979 pa_sink_set_mixer_dirty(s, false);
980 pa_log_debug("Mixer is now accessible. Updating alsa mixer settings.");
981 if (s->active_port && s->set_port) {
982 if (s->flags & PA_SINK_DEFERRED_VOLUME) {
983 struct sink_message_set_port msg = { .port = s->active_port, .ret = 0 };
984 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT, &msg, 0, NULL) == 0);
987 s->set_port(s, s->active_port);
998 return sink_set_state(s, PA_SINK_SUSPENDED, merged_cause);
1000 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE, 0);
1003 /* Called from main context */
1004 pa_queue *pa_sink_move_all_start(pa_sink *s, pa_queue *q) {
1005 pa_sink_input *i, *n;
1008 pa_sink_assert_ref(s);
1009 pa_assert_ctl_context();
1010 pa_assert(PA_SINK_IS_LINKED(s->state));
1015 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = n) {
1016 n = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx));
1018 pa_sink_input_ref(i);
1020 if (pa_sink_input_start_move(i) >= 0)
1021 pa_queue_push(q, i);
1023 pa_sink_input_unref(i);
1029 /* Called from main context */
1030 void pa_sink_move_all_finish(pa_sink *s, pa_queue *q, bool save) {
1033 pa_sink_assert_ref(s);
1034 pa_assert_ctl_context();
1035 pa_assert(PA_SINK_IS_LINKED(s->state));
1038 while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
1039 if (PA_SINK_INPUT_IS_LINKED(i->state)) {
1040 if (pa_sink_input_finish_move(i, s, save) < 0)
1041 pa_sink_input_fail_move(i);
1044 pa_sink_input_unref(i);
1047 pa_queue_free(q, NULL);
1050 /* Called from main context */
1051 void pa_sink_move_all_fail(pa_queue *q) {
1054 pa_assert_ctl_context();
1057 while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
1058 pa_sink_input_fail_move(i);
1059 pa_sink_input_unref(i);
1062 pa_queue_free(q, NULL);
1065 /* Called from IO thread context */
1066 size_t pa_sink_process_input_underruns(pa_sink *s, size_t left_to_play) {
1071 pa_sink_assert_ref(s);
1072 pa_sink_assert_io_context(s);
1074 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
1075 size_t uf = i->thread_info.underrun_for_sink;
1077 /* Propagate down the filter tree */
1078 if (i->origin_sink) {
1079 size_t filter_result, left_to_play_origin;
1081 /* The recursive call works in the origin sink domain ... */
1082 left_to_play_origin = pa_convert_size(left_to_play, &i->sink->sample_spec, &i->origin_sink->sample_spec);
1084 /* .. and returns the time to sleep before waking up. We need the
1085 * underrun duration for comparisons, so we undo the subtraction on
1086 * the return value... */
1087 filter_result = left_to_play_origin - pa_sink_process_input_underruns(i->origin_sink, left_to_play_origin);
1089 /* ... and convert it back to the master sink domain */
1090 filter_result = pa_convert_size(filter_result, &i->origin_sink->sample_spec, &i->sink->sample_spec);
1092 /* Remember the longest underrun so far */
1093 if (filter_result > result)
1094 result = filter_result;
1098 /* No underrun here, move on */
1100 } else if (uf >= left_to_play) {
1101 /* The sink has possibly consumed all the data the sink input provided */
1102 pa_sink_input_process_underrun(i);
1103 } else if (uf > result) {
1104 /* Remember the longest underrun so far */
1110 pa_log_debug("%s: Found underrun %ld bytes ago (%ld bytes ahead in playback buffer)", s->name,
1111 (long) result, (long) left_to_play - result);
1112 return left_to_play - result;
1115 /* Called from IO thread context */
1116 void pa_sink_process_rewind(pa_sink *s, size_t nbytes) {
1120 pa_sink_assert_ref(s);
1121 pa_sink_assert_io_context(s);
1122 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1124 /* If nobody requested this and this is actually no real rewind
1125 * then we can short cut this. Please note that this means that
1126 * not all rewind requests triggered upstream will always be
1127 * translated in actual requests! */
1128 if (!s->thread_info.rewind_requested && nbytes <= 0)
1131 s->thread_info.rewind_nbytes = 0;
1132 s->thread_info.rewind_requested = false;
1135 pa_log_debug("Processing rewind...");
1136 if (s->flags & PA_SINK_DEFERRED_VOLUME)
1137 pa_sink_volume_change_rewind(s, nbytes);
1138 #ifdef TIZEN_PCM_DUMP
1141 fseeko(s->pcm_dump_fp, (off_t)nbytes * (-1), SEEK_CUR);
1145 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
1146 pa_sink_input_assert_ref(i);
1147 pa_sink_input_process_rewind(i, nbytes);
1151 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
1152 pa_source_process_rewind(s->monitor_source, nbytes);
1156 /* Called from IO thread context */
1157 static unsigned fill_mix_info(pa_sink *s, size_t *length, pa_mix_info *info, unsigned maxinfo) {
1161 size_t mixlength = *length;
1163 pa_sink_assert_ref(s);
1164 pa_sink_assert_io_context(s);
1167 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)) && maxinfo > 0) {
1168 pa_sink_input_assert_ref(i);
1170 pa_sink_input_peek(i, *length, &info->chunk, &info->volume);
1172 if (mixlength == 0 || info->chunk.length < mixlength)
1173 mixlength = info->chunk.length;
1175 if (pa_memblock_is_silence(info->chunk.memblock)) {
1176 pa_memblock_unref(info->chunk.memblock);
1180 info->userdata = pa_sink_input_ref(i);
1182 pa_assert(info->chunk.memblock);
1183 pa_assert(info->chunk.length > 0);
1191 *length = mixlength;
1196 /* Called from IO thread context */
1197 static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, pa_memchunk *result) {
1201 unsigned n_unreffed = 0;
1203 pa_sink_assert_ref(s);
1204 pa_sink_assert_io_context(s);
1206 pa_assert(result->memblock);
1207 pa_assert(result->length > 0);
1209 /* We optimize for the case where the order of the inputs has not changed */
1211 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
1213 pa_mix_info* m = NULL;
1215 pa_sink_input_assert_ref(i);
1217 /* Let's try to find the matching entry info the pa_mix_info array */
1218 for (j = 0; j < n; j ++) {
1220 if (info[p].userdata == i) {
1230 /* Drop read data */
1231 pa_sink_input_drop(i, result->length);
1233 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state)) {
1235 if (pa_hashmap_size(i->thread_info.direct_outputs) > 0) {
1236 void *ostate = NULL;
1237 pa_source_output *o;
1240 if (m && m->chunk.memblock) {
1242 pa_memblock_ref(c.memblock);
1243 pa_assert(result->length <= c.length);
1244 c.length = result->length;
1246 pa_memchunk_make_writable(&c, 0);
1247 pa_volume_memchunk(&c, &s->sample_spec, &m->volume);
1250 pa_memblock_ref(c.memblock);
1251 pa_assert(result->length <= c.length);
1252 c.length = result->length;
1255 while ((o = pa_hashmap_iterate(i->thread_info.direct_outputs, &ostate, NULL))) {
1256 pa_source_output_assert_ref(o);
1257 pa_assert(o->direct_on_input == i);
1258 pa_source_post_direct(s->monitor_source, o, &c);
1261 pa_memblock_unref(c.memblock);
1266 if (m->chunk.memblock) {
1267 pa_memblock_unref(m->chunk.memblock);
1268 pa_memchunk_reset(&m->chunk);
1271 pa_sink_input_unref(m->userdata);
1278 /* Now drop references to entries that are included in the
1279 * pa_mix_info array but don't exist anymore */
1281 if (n_unreffed < n) {
1282 for (; n > 0; info++, n--) {
1284 pa_sink_input_unref(info->userdata);
1285 if (info->chunk.memblock)
1286 pa_memblock_unref(info->chunk.memblock);
1290 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
1291 pa_source_post(s->monitor_source, result);
1294 /* Called from IO thread context */
1295 void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
1296 pa_mix_info info[MAX_MIX_CHANNELS];
1298 size_t block_size_max;
1300 pa_sink_assert_ref(s);
1301 pa_sink_assert_io_context(s);
1302 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1303 pa_assert(pa_frame_aligned(length, &s->sample_spec));
1306 pa_assert(!s->thread_info.rewind_requested);
1307 pa_assert(s->thread_info.rewind_nbytes == 0);
1309 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1310 result->memblock = pa_memblock_ref(s->silence.memblock);
1311 result->index = s->silence.index;
1312 result->length = PA_MIN(s->silence.length, length);
1319 length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec);
1321 block_size_max = pa_mempool_block_size_max(s->core->mempool);
1322 if (length > block_size_max)
1323 length = pa_frame_align(block_size_max, &s->sample_spec);
1325 pa_assert(length > 0);
1327 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
1331 *result = s->silence;
1332 pa_memblock_ref(result->memblock);
1334 if (result->length > length)
1335 result->length = length;
1337 } else if (n == 1) {
1340 *result = info[0].chunk;
1341 pa_memblock_ref(result->memblock);
1343 if (result->length > length)
1344 result->length = length;
1346 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
1348 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume)) {
1349 pa_memblock_unref(result->memblock);
1350 pa_silence_memchunk_get(&s->core->silence_cache,
1355 } else if (!pa_cvolume_is_norm(&volume)) {
1356 pa_memchunk_make_writable(result, 0);
1357 pa_volume_memchunk(result, &s->sample_spec, &volume);
1361 result->memblock = pa_memblock_new(s->core->mempool, length);
1363 ptr = pa_memblock_acquire(result->memblock);
1364 result->length = pa_mix(info, n,
1367 &s->thread_info.soft_volume,
1368 s->thread_info.soft_muted);
1369 pa_memblock_release(result->memblock);
1374 inputs_drop(s, info, n, result);
1376 #ifdef TIZEN_PCM_DUMP
1377 pa_sink_write_pcm_dump(s, result);
1382 /* Called from IO thread context */
1383 void pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
1384 pa_mix_info info[MAX_MIX_CHANNELS];
1386 size_t length, block_size_max;
1388 pa_sink_assert_ref(s);
1389 pa_sink_assert_io_context(s);
1390 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1392 pa_assert(target->memblock);
1393 pa_assert(target->length > 0);
1394 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
1396 pa_assert(!s->thread_info.rewind_requested);
1397 pa_assert(s->thread_info.rewind_nbytes == 0);
1399 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1400 pa_silence_memchunk(target, &s->sample_spec);
1406 length = target->length;
1407 block_size_max = pa_mempool_block_size_max(s->core->mempool);
1408 if (length > block_size_max)
1409 length = pa_frame_align(block_size_max, &s->sample_spec);
1411 pa_assert(length > 0);
1413 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
1416 if (target->length > length)
1417 target->length = length;
1419 pa_silence_memchunk(target, &s->sample_spec);
1420 } else if (n == 1) {
1423 if (target->length > length)
1424 target->length = length;
1426 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
1428 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume))
1429 pa_silence_memchunk(target, &s->sample_spec);
1433 vchunk = info[0].chunk;
1434 pa_memblock_ref(vchunk.memblock);
1436 if (vchunk.length > length)
1437 vchunk.length = length;
1439 if (!pa_cvolume_is_norm(&volume)) {
1440 pa_memchunk_make_writable(&vchunk, 0);
1441 pa_volume_memchunk(&vchunk, &s->sample_spec, &volume);
1444 pa_memchunk_memcpy(target, &vchunk);
1445 pa_memblock_unref(vchunk.memblock);
1451 ptr = pa_memblock_acquire(target->memblock);
1453 target->length = pa_mix(info, n,
1454 (uint8_t*) ptr + target->index, length,
1456 &s->thread_info.soft_volume,
1457 s->thread_info.soft_muted);
1459 pa_memblock_release(target->memblock);
1462 inputs_drop(s, info, n, target);
1464 #ifdef TIZEN_PCM_DUMP
1465 pa_sink_write_pcm_dump(s, target);
1470 /* Called from IO thread context */
1471 void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) {
1475 pa_sink_assert_ref(s);
1476 pa_sink_assert_io_context(s);
1477 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1479 pa_assert(target->memblock);
1480 pa_assert(target->length > 0);
1481 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
1483 pa_assert(!s->thread_info.rewind_requested);
1484 pa_assert(s->thread_info.rewind_nbytes == 0);
1486 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1487 pa_silence_memchunk(target, &s->sample_spec);
1500 pa_sink_render_into(s, &chunk);
1509 /* Called from IO thread context */
1510 void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) {
1511 pa_sink_assert_ref(s);
1512 pa_sink_assert_io_context(s);
1513 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1514 pa_assert(length > 0);
1515 pa_assert(pa_frame_aligned(length, &s->sample_spec));
1518 pa_assert(!s->thread_info.rewind_requested);
1519 pa_assert(s->thread_info.rewind_nbytes == 0);
1523 pa_sink_render(s, length, result);
1525 if (result->length < length) {
1528 pa_memchunk_make_writable(result, length);
1530 chunk.memblock = result->memblock;
1531 chunk.index = result->index + result->length;
1532 chunk.length = length - result->length;
1534 pa_sink_render_into_full(s, &chunk);
1536 result->length = length;
1542 /* Called from main thread */
1543 int pa_sink_reconfigure(pa_sink *s, pa_sample_spec *spec, bool passthrough) {
1545 pa_sample_spec desired_spec;
1546 uint32_t default_rate = s->default_sample_rate;
1547 uint32_t alternate_rate = s->alternate_sample_rate;
1550 bool default_rate_is_usable = false;
1551 bool alternate_rate_is_usable = false;
1553 bool avoid_resampling = s->avoid_resampling;
1555 bool avoid_resampling = s->core->avoid_resampling;
1557 /* We currently only try to reconfigure the sample rate */
1561 if (pa_sample_spec_equal(spec, &s->sample_spec))
1565 if (!s->reconfigure)
1569 if (PA_UNLIKELY(default_rate == alternate_rate && !passthrough && !avoid_resampling)) {
1570 pa_log_debug("Default and alternate sample rates are the same, so there is no point in switching.");
1575 if (PA_SINK_IS_RUNNING(s->state)) {
1577 pa_log_info("Cannot update sample spec, SINK_IS_RUNNING, will keep using %s and %u Hz",
1578 pa_sample_format_to_string(s->sample_spec.format), s->sample_spec.rate);
1580 pa_log_info("Cannot update rate, SINK_IS_RUNNING, will keep using %u Hz",
1581 s->sample_spec.rate);
1586 if (s->monitor_source) {
1587 if (PA_SOURCE_IS_RUNNING(s->monitor_source->state) == true) {
1589 pa_log_info("Cannot update sample spec, monitor source is RUNNING");
1591 pa_log_info("Cannot update rate, monitor source is RUNNING");
1597 if (PA_UNLIKELY(!pa_sample_spec_valid(spec)))
1600 desired_spec = s->sample_spec;
1603 if (!avoid_resampling) {
1604 default_rate = alternate_rate = s->selected_sample_rate;
1605 desired_spec.format = s->selected_sample_format;
1608 /* We have to try to use the sink input format and rate */
1609 desired_spec.format = spec->format;
1610 desired_spec.rate = spec->rate;
1613 /* We have to try to use the sink input rate */
1614 desired_spec.rate = spec->rate;
1617 } else if (avoid_resampling && (spec->format != s->sample_spec.format ||
1618 spec->rate >= default_rate || spec->rate >= alternate_rate)) {
1619 desired_spec.format = spec->format;
1621 } else if (avoid_resampling && (spec->rate >= default_rate || spec->rate >= alternate_rate)) {
1623 /* We just try to set the sink input's sample rate if it's not too low */
1624 desired_spec.rate = spec->rate;
1626 } else if (default_rate == spec->rate || alternate_rate == spec->rate) {
1627 /* We can directly try to use this rate */
1628 desired_spec.rate = spec->rate;
1631 /* See if we can pick a rate that results in less resampling effort */
1632 if (default_rate % 11025 == 0 && spec->rate % 11025 == 0)
1633 default_rate_is_usable = true;
1634 if (default_rate % 4000 == 0 && spec->rate % 4000 == 0)
1635 default_rate_is_usable = true;
1636 if (alternate_rate % 11025 == 0 && spec->rate % 11025 == 0)
1637 alternate_rate_is_usable = true;
1638 if (alternate_rate % 4000 == 0 && spec->rate % 4000 == 0)
1639 alternate_rate_is_usable = true;
1641 if (alternate_rate_is_usable && !default_rate_is_usable)
1642 desired_spec.rate = alternate_rate;
1644 desired_spec.rate = default_rate;
1647 if (pa_sample_spec_equal(&desired_spec, &s->sample_spec) && passthrough == pa_sink_is_passthrough(s))
1650 if (!passthrough && pa_sink_used_by(s) > 0)
1654 pa_log_debug("Suspending sink %s due to changing format, desired format = %s rate = %u",
1655 s->name, pa_sample_format_to_string(desired_spec.format), desired_spec.rate);
1657 pa_log_debug("Suspending sink %s due to changing format", s->name);
1659 pa_sink_suspend(s, true, PA_SUSPEND_INTERNAL);
1661 if (s->reconfigure(s, &desired_spec, passthrough) >= 0) {
1662 /* update monitor source as well */
1663 if (s->monitor_source && !passthrough)
1665 pa_source_reconfigure(s->monitor_source, &s->sample_spec, false);
1666 pa_log_info("Reconfigured successfully");
1668 pa_source_reconfigure(s->monitor_source, &desired_spec, false);
1669 pa_log_info("Changed format successfully");
1672 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1673 if (i->state == PA_SINK_INPUT_CORKED)
1675 pa_sink_input_update_resampler(i);
1677 pa_sink_input_update_rate(i);
1684 pa_sink_suspend(s, false, PA_SUSPEND_INTERNAL);
1689 /* Called from main thread */
1690 pa_usec_t pa_sink_get_latency(pa_sink *s) {
1693 pa_sink_assert_ref(s);
1694 pa_assert_ctl_context();
1695 pa_assert(PA_SINK_IS_LINKED(s->state));
1697 /* The returned value is supposed to be in the time domain of the sound card! */
1699 if (s->state == PA_SINK_SUSPENDED)
1702 if (!(s->flags & PA_SINK_LATENCY))
1705 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
1707 /* the return value is unsigned, so check that the offset can be added to usec without
1709 if (-s->port_latency_offset <= usec)
1710 usec += s->port_latency_offset;
1714 return (pa_usec_t)usec;
1717 /* Called from IO thread */
1718 int64_t pa_sink_get_latency_within_thread(pa_sink *s, bool allow_negative) {
1722 pa_sink_assert_ref(s);
1723 pa_sink_assert_io_context(s);
1724 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1726 /* The returned value is supposed to be in the time domain of the sound card! */
1728 if (s->thread_info.state == PA_SINK_SUSPENDED)
1731 if (!(s->flags & PA_SINK_LATENCY))
1734 o = PA_MSGOBJECT(s);
1736 /* FIXME: We probably should make this a proper vtable callback instead of going through process_msg() */
1738 o->process_msg(o, PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL);
1740 /* If allow_negative is false, the call should only return positive values, */
1741 usec += s->thread_info.port_latency_offset;
1742 if (!allow_negative && usec < 0)
1748 /* Called from the main thread (and also from the IO thread while the main
1749 * thread is waiting).
1751 * When a sink uses volume sharing, it never has the PA_SINK_FLAT_VOLUME flag
1752 * set. Instead, flat volume mode is detected by checking whether the root sink
1753 * has the flag set. */
1754 bool pa_sink_flat_volume_enabled(pa_sink *s) {
1755 pa_sink_assert_ref(s);
1757 s = pa_sink_get_master(s);
1760 return (s->flags & PA_SINK_FLAT_VOLUME);
1765 /* Called from the main thread (and also from the IO thread while the main
1766 * thread is waiting). */
1767 pa_sink *pa_sink_get_master(pa_sink *s) {
1768 pa_sink_assert_ref(s);
1770 while (s && (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1771 if (PA_UNLIKELY(!s->input_to_master))
1774 s = s->input_to_master->sink;
1780 /* Called from main context */
1781 bool pa_sink_is_filter(pa_sink *s) {
1782 pa_sink_assert_ref(s);
1784 return (s->input_to_master != NULL);
1787 /* Called from main context */
1788 bool pa_sink_is_passthrough(pa_sink *s) {
1789 pa_sink_input *alt_i;
1792 pa_sink_assert_ref(s);
1794 /* one and only one PASSTHROUGH input can possibly be connected */
1795 if (pa_idxset_size(s->inputs) == 1) {
1796 alt_i = pa_idxset_first(s->inputs, &idx);
1798 if (pa_sink_input_is_passthrough(alt_i))
1805 /* Called from main context */
1806 void pa_sink_enter_passthrough(pa_sink *s) {
1809 /* The sink implementation is reconfigured for passthrough in
1810 * pa_sink_reconfigure(). This function sets the PA core objects to
1811 * passthrough mode. */
1813 /* disable the monitor in passthrough mode */
1814 if (s->monitor_source) {
1815 pa_log_debug("Suspending monitor source %s, because the sink is entering the passthrough mode.", s->monitor_source->name);
1816 pa_source_suspend(s->monitor_source, true, PA_SUSPEND_PASSTHROUGH);
1819 /* set the volume to NORM */
1820 s->saved_volume = *pa_sink_get_volume(s, true);
1821 s->saved_save_volume = s->save_volume;
1823 pa_cvolume_set(&volume, s->sample_spec.channels, PA_MIN(s->base_volume, PA_VOLUME_NORM));
1824 pa_sink_set_volume(s, &volume, true, false);
1826 pa_log_debug("Suspending/Restarting sink %s to enter passthrough mode", s->name);
1829 /* Called from main context */
1830 void pa_sink_leave_passthrough(pa_sink *s) {
1831 /* Unsuspend monitor */
1832 if (s->monitor_source) {
1833 pa_log_debug("Resuming monitor source %s, because the sink is leaving the passthrough mode.", s->monitor_source->name);
1834 pa_source_suspend(s->monitor_source, false, PA_SUSPEND_PASSTHROUGH);
1837 /* Restore sink volume to what it was before we entered passthrough mode */
1838 pa_sink_set_volume(s, &s->saved_volume, true, s->saved_save_volume);
1840 pa_cvolume_init(&s->saved_volume);
1841 s->saved_save_volume = false;
1845 /* Called from main context. */
1846 static void compute_reference_ratio(pa_sink_input *i) {
1848 pa_cvolume remapped;
1852 pa_assert(pa_sink_flat_volume_enabled(i->sink));
1855 * Calculates the reference ratio from the sink's reference
1856 * volume. This basically calculates:
1858 * i->reference_ratio = i->volume / i->sink->reference_volume
1861 remapped = i->sink->reference_volume;
1862 pa_cvolume_remap(&remapped, &i->sink->channel_map, &i->channel_map);
1864 ratio = i->reference_ratio;
1866 for (c = 0; c < i->sample_spec.channels; c++) {
1868 /* We don't update when the sink volume is 0 anyway */
1869 if (remapped.values[c] <= PA_VOLUME_MUTED)
1872 /* Don't update the reference ratio unless necessary */
1873 if (pa_sw_volume_multiply(
1875 remapped.values[c]) == i->volume.values[c])
1878 ratio.values[c] = pa_sw_volume_divide(
1879 i->volume.values[c],
1880 remapped.values[c]);
1883 pa_sink_input_set_reference_ratio(i, &ratio);
1886 /* Called from main context. Only called for the root sink in volume sharing
1887 * cases, except for internal recursive calls. */
1888 static void compute_reference_ratios(pa_sink *s) {
1892 pa_sink_assert_ref(s);
1893 pa_assert_ctl_context();
1894 pa_assert(PA_SINK_IS_LINKED(s->state));
1895 pa_assert(pa_sink_flat_volume_enabled(s));
1897 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1898 compute_reference_ratio(i);
1900 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
1901 && PA_SINK_IS_LINKED(i->origin_sink->state))
1902 compute_reference_ratios(i->origin_sink);
1906 /* Called from main context. Only called for the root sink in volume sharing
1907 * cases, except for internal recursive calls. */
1908 static void compute_real_ratios(pa_sink *s) {
1912 pa_sink_assert_ref(s);
1913 pa_assert_ctl_context();
1914 pa_assert(PA_SINK_IS_LINKED(s->state));
1915 pa_assert(pa_sink_flat_volume_enabled(s));
1917 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1919 pa_cvolume remapped;
1921 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1922 /* The origin sink uses volume sharing, so this input's real ratio
1923 * is handled as a special case - the real ratio must be 0 dB, and
1924 * as a result i->soft_volume must equal i->volume_factor. */
1925 pa_cvolume_reset(&i->real_ratio, i->real_ratio.channels);
1926 i->soft_volume = i->volume_factor;
1928 if (PA_SINK_IS_LINKED(i->origin_sink->state))
1929 compute_real_ratios(i->origin_sink);
1935 * This basically calculates:
1937 * i->real_ratio := i->volume / s->real_volume
1938 * i->soft_volume := i->real_ratio * i->volume_factor
1941 remapped = s->real_volume;
1942 pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
1944 i->real_ratio.channels = i->sample_spec.channels;
1945 i->soft_volume.channels = i->sample_spec.channels;
1947 for (c = 0; c < i->sample_spec.channels; c++) {
1949 if (remapped.values[c] <= PA_VOLUME_MUTED) {
1950 /* We leave i->real_ratio untouched */
1951 i->soft_volume.values[c] = PA_VOLUME_MUTED;
1955 /* Don't lose accuracy unless necessary */
1956 if (pa_sw_volume_multiply(
1957 i->real_ratio.values[c],
1958 remapped.values[c]) != i->volume.values[c])
1960 i->real_ratio.values[c] = pa_sw_volume_divide(
1961 i->volume.values[c],
1962 remapped.values[c]);
1964 i->soft_volume.values[c] = pa_sw_volume_multiply(
1965 i->real_ratio.values[c],
1966 i->volume_factor.values[c]);
1969 /* We don't copy the soft_volume to the thread_info data
1970 * here. That must be done by the caller */
1974 static pa_cvolume *cvolume_remap_minimal_impact(
1976 const pa_cvolume *template,
1977 const pa_channel_map *from,
1978 const pa_channel_map *to) {
1983 pa_assert(template);
1986 pa_assert(pa_cvolume_compatible_with_channel_map(v, from));
1987 pa_assert(pa_cvolume_compatible_with_channel_map(template, to));
1989 /* Much like pa_cvolume_remap(), but tries to minimize impact when
1990 * mapping from sink input to sink volumes:
1992 * If template is a possible remapping from v it is used instead
1993 * of remapping anew.
1995 * If the channel maps don't match we set an all-channel volume on
1996 * the sink to ensure that changing a volume on one stream has no
1997 * effect that cannot be compensated for in another stream that
1998 * does not have the same channel map as the sink. */
2000 if (pa_channel_map_equal(from, to))
2004 if (pa_cvolume_equal(pa_cvolume_remap(&t, to, from), v)) {
2009 pa_cvolume_set(v, to->channels, pa_cvolume_max(v));
2013 /* Called from main thread. Only called for the root sink in volume sharing
2014 * cases, except for internal recursive calls. */
2015 static void get_maximum_input_volume(pa_sink *s, pa_cvolume *max_volume, const pa_channel_map *channel_map) {
2019 pa_sink_assert_ref(s);
2020 pa_assert(max_volume);
2021 pa_assert(channel_map);
2022 pa_assert(pa_sink_flat_volume_enabled(s));
2024 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2025 pa_cvolume remapped;
2027 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
2028 if (PA_SINK_IS_LINKED(i->origin_sink->state))
2029 get_maximum_input_volume(i->origin_sink, max_volume, channel_map);
2031 /* Ignore this input. The origin sink uses volume sharing, so this
2032 * input's volume will be set to be equal to the root sink's real
2033 * volume. Obviously this input's current volume must not then
2034 * affect what the root sink's real volume will be. */
2038 remapped = i->volume;
2039 cvolume_remap_minimal_impact(&remapped, max_volume, &i->channel_map, channel_map);
2040 pa_cvolume_merge(max_volume, max_volume, &remapped);
2044 /* Called from main thread. Only called for the root sink in volume sharing
2045 * cases, except for internal recursive calls. */
2046 static bool has_inputs(pa_sink *s) {
2050 pa_sink_assert_ref(s);
2052 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2053 if (!i->origin_sink || !(i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || has_inputs(i->origin_sink))
2060 /* Called from main thread. Only called for the root sink in volume sharing
2061 * cases, except for internal recursive calls. */
2062 static void update_real_volume(pa_sink *s, const pa_cvolume *new_volume, pa_channel_map *channel_map) {
2066 pa_sink_assert_ref(s);
2067 pa_assert(new_volume);
2068 pa_assert(channel_map);
2070 s->real_volume = *new_volume;
2071 pa_cvolume_remap(&s->real_volume, channel_map, &s->channel_map);
2073 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2074 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
2075 if (pa_sink_flat_volume_enabled(s)) {
2076 pa_cvolume new_input_volume;
2078 /* Follow the root sink's real volume. */
2079 new_input_volume = *new_volume;
2080 pa_cvolume_remap(&new_input_volume, channel_map, &i->channel_map);
2081 pa_sink_input_set_volume_direct(i, &new_input_volume);
2082 compute_reference_ratio(i);
2085 if (PA_SINK_IS_LINKED(i->origin_sink->state))
2086 update_real_volume(i->origin_sink, new_volume, channel_map);
2091 /* Called from main thread. Only called for the root sink in shared volume
2093 static void compute_real_volume(pa_sink *s) {
2094 pa_sink_assert_ref(s);
2095 pa_assert_ctl_context();
2096 pa_assert(PA_SINK_IS_LINKED(s->state));
2097 pa_assert(pa_sink_flat_volume_enabled(s));
2098 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2100 /* This determines the maximum volume of all streams and sets
2101 * s->real_volume accordingly. */
2103 if (!has_inputs(s)) {
2104 /* In the special case that we have no sink inputs we leave the
2105 * volume unmodified. */
2106 update_real_volume(s, &s->reference_volume, &s->channel_map);
2110 pa_cvolume_mute(&s->real_volume, s->channel_map.channels);
2112 /* First let's determine the new maximum volume of all inputs
2113 * connected to this sink */
2114 get_maximum_input_volume(s, &s->real_volume, &s->channel_map);
2115 update_real_volume(s, &s->real_volume, &s->channel_map);
2117 /* Then, let's update the real ratios/soft volumes of all inputs
2118 * connected to this sink */
2119 compute_real_ratios(s);
2122 /* Called from main thread. Only called for the root sink in shared volume
2123 * cases, except for internal recursive calls. */
2124 static void propagate_reference_volume(pa_sink *s) {
2128 pa_sink_assert_ref(s);
2129 pa_assert_ctl_context();
2130 pa_assert(PA_SINK_IS_LINKED(s->state));
2131 pa_assert(pa_sink_flat_volume_enabled(s));
2133 /* This is called whenever the sink volume changes that is not
2134 * caused by a sink input volume change. We need to fix up the
2135 * sink input volumes accordingly */
2137 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2138 pa_cvolume new_volume;
2140 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
2141 if (PA_SINK_IS_LINKED(i->origin_sink->state))
2142 propagate_reference_volume(i->origin_sink);
2144 /* Since the origin sink uses volume sharing, this input's volume
2145 * needs to be updated to match the root sink's real volume, but
2146 * that will be done later in update_real_volume(). */
2150 /* This basically calculates:
2152 * i->volume := s->reference_volume * i->reference_ratio */
2154 new_volume = s->reference_volume;
2155 pa_cvolume_remap(&new_volume, &s->channel_map, &i->channel_map);
2156 pa_sw_cvolume_multiply(&new_volume, &new_volume, &i->reference_ratio);
2157 pa_sink_input_set_volume_direct(i, &new_volume);
2161 /* Called from main thread. Only called for the root sink in volume sharing
2162 * cases, except for internal recursive calls. The return value indicates
2163 * whether any reference volume actually changed. */
2164 static bool update_reference_volume(pa_sink *s, const pa_cvolume *v, const pa_channel_map *channel_map, bool save) {
2166 bool reference_volume_changed;
2170 pa_sink_assert_ref(s);
2171 pa_assert(PA_SINK_IS_LINKED(s->state));
2173 pa_assert(channel_map);
2174 pa_assert(pa_cvolume_valid(v));
2177 pa_cvolume_remap(&volume, channel_map, &s->channel_map);
2179 reference_volume_changed = !pa_cvolume_equal(&volume, &s->reference_volume);
2180 pa_sink_set_reference_volume_direct(s, &volume);
2182 s->save_volume = (!reference_volume_changed && s->save_volume) || save;
2184 if (!reference_volume_changed && !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
2185 /* If the root sink's volume doesn't change, then there can't be any
2186 * changes in the other sinks in the sink tree either.
2188 * It's probably theoretically possible that even if the root sink's
2189 * volume changes slightly, some filter sink doesn't change its volume
2190 * due to rounding errors. If that happens, we still want to propagate
2191 * the changed root sink volume to the sinks connected to the
2192 * intermediate sink that didn't change its volume. This theoretical
2193 * possibility is the reason why we have that !(s->flags &
2194 * PA_SINK_SHARE_VOLUME_WITH_MASTER) condition. Probably nobody would
2195 * notice even if we returned here false always if
2196 * reference_volume_changed is false. */
2199 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2200 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
2201 && PA_SINK_IS_LINKED(i->origin_sink->state))
2202 update_reference_volume(i->origin_sink, v, channel_map, false);
2208 /* Called from main thread */
2209 void pa_sink_set_volume(
2211 const pa_cvolume *volume,
2215 pa_cvolume new_reference_volume;
2218 pa_sink_assert_ref(s);
2219 pa_assert_ctl_context();
2220 pa_assert(PA_SINK_IS_LINKED(s->state));
2221 pa_assert(!volume || pa_cvolume_valid(volume));
2222 pa_assert(volume || pa_sink_flat_volume_enabled(s));
2223 pa_assert(!volume || volume->channels == 1 || pa_cvolume_compatible(volume, &s->sample_spec));
2225 /* make sure we don't change the volume when a PASSTHROUGH input is connected ...
2226 * ... *except* if we're being invoked to reset the volume to ensure 0 dB gain */
2227 if (pa_sink_is_passthrough(s) && (!volume || !pa_cvolume_is_norm(volume))) {
2228 pa_log_warn("Cannot change volume, Sink is connected to PASSTHROUGH input");
2232 /* In case of volume sharing, the volume is set for the root sink first,
2233 * from which it's then propagated to the sharing sinks. */
2234 root_sink = pa_sink_get_master(s);
2236 if (PA_UNLIKELY(!root_sink))
2239 /* As a special exception we accept mono volumes on all sinks --
2240 * even on those with more complex channel maps */
2243 if (pa_cvolume_compatible(volume, &s->sample_spec))
2244 new_reference_volume = *volume;
2246 new_reference_volume = s->reference_volume;
2247 pa_cvolume_scale(&new_reference_volume, pa_cvolume_max(volume));
2250 pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_sink->channel_map);
2252 if (update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save)) {
2253 if (pa_sink_flat_volume_enabled(root_sink)) {
2254 /* OK, propagate this volume change back to the inputs */
2255 propagate_reference_volume(root_sink);
2257 /* And now recalculate the real volume */
2258 compute_real_volume(root_sink);
2260 update_real_volume(root_sink, &root_sink->reference_volume, &root_sink->channel_map);
2264 /* If volume is NULL we synchronize the sink's real and
2265 * reference volumes with the stream volumes. */
2267 pa_assert(pa_sink_flat_volume_enabled(root_sink));
2269 /* Ok, let's determine the new real volume */
2270 compute_real_volume(root_sink);
2272 /* Let's 'push' the reference volume if necessary */
2273 pa_cvolume_merge(&new_reference_volume, &s->reference_volume, &root_sink->real_volume);
2274 /* If the sink and its root don't have the same number of channels, we need to remap */
2275 if (s != root_sink && !pa_channel_map_equal(&s->channel_map, &root_sink->channel_map))
2276 pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_sink->channel_map);
2277 update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save);
2279 /* Now that the reference volume is updated, we can update the streams'
2280 * reference ratios. */
2281 compute_reference_ratios(root_sink);
2284 if (root_sink->set_volume) {
2285 /* If we have a function set_volume(), then we do not apply a
2286 * soft volume by default. However, set_volume() is free to
2287 * apply one to root_sink->soft_volume */
2289 pa_cvolume_reset(&root_sink->soft_volume, root_sink->sample_spec.channels);
2290 if (!(root_sink->flags & PA_SINK_DEFERRED_VOLUME))
2291 root_sink->set_volume(root_sink);
2294 /* If we have no function set_volume(), then the soft volume
2295 * becomes the real volume */
2296 root_sink->soft_volume = root_sink->real_volume;
2298 /* This tells the sink that soft volume and/or real volume changed */
2300 pa_assert_se(pa_asyncmsgq_send(root_sink->asyncmsgq, PA_MSGOBJECT(root_sink), PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL) == 0);
2303 /* Called from the io thread if sync volume is used, otherwise from the main thread.
2304 * Only to be called by sink implementor */
2305 void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume) {
2307 pa_sink_assert_ref(s);
2308 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2310 if (s->flags & PA_SINK_DEFERRED_VOLUME)
2311 pa_sink_assert_io_context(s);
2313 pa_assert_ctl_context();
2316 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
2318 s->soft_volume = *volume;
2320 if (PA_SINK_IS_LINKED(s->state) && !(s->flags & PA_SINK_DEFERRED_VOLUME))
2321 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
2323 s->thread_info.soft_volume = s->soft_volume;
2326 /* Called from the main thread. Only called for the root sink in volume sharing
2327 * cases, except for internal recursive calls. */
2328 static void propagate_real_volume(pa_sink *s, const pa_cvolume *old_real_volume) {
2332 pa_sink_assert_ref(s);
2333 pa_assert(old_real_volume);
2334 pa_assert_ctl_context();
2335 pa_assert(PA_SINK_IS_LINKED(s->state));
2337 /* This is called when the hardware's real volume changes due to
2338 * some external event. We copy the real volume into our
2339 * reference volume and then rebuild the stream volumes based on
2340 * i->real_ratio which should stay fixed. */
2342 if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
2343 if (pa_cvolume_equal(old_real_volume, &s->real_volume))
2346 /* 1. Make the real volume the reference volume */
2347 update_reference_volume(s, &s->real_volume, &s->channel_map, true);
2350 if (pa_sink_flat_volume_enabled(s)) {
2352 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2353 pa_cvolume new_volume;
2355 /* 2. Since the sink's reference and real volumes are equal
2356 * now our ratios should be too. */
2357 pa_sink_input_set_reference_ratio(i, &i->real_ratio);
2359 /* 3. Recalculate the new stream reference volume based on the
2360 * reference ratio and the sink's reference volume.
2362 * This basically calculates:
2364 * i->volume = s->reference_volume * i->reference_ratio
2366 * This is identical to propagate_reference_volume() */
2367 new_volume = s->reference_volume;
2368 pa_cvolume_remap(&new_volume, &s->channel_map, &i->channel_map);
2369 pa_sw_cvolume_multiply(&new_volume, &new_volume, &i->reference_ratio);
2370 pa_sink_input_set_volume_direct(i, &new_volume);
2372 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
2373 && PA_SINK_IS_LINKED(i->origin_sink->state))
2374 propagate_real_volume(i->origin_sink, old_real_volume);
2378 /* Something got changed in the hardware. It probably makes sense
2379 * to save changed hw settings given that hw volume changes not
2380 * triggered by PA are almost certainly done by the user. */
2381 if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
2382 s->save_volume = true;
2385 /* Called from io thread */
2386 void pa_sink_update_volume_and_mute(pa_sink *s) {
2388 pa_sink_assert_io_context(s);
2390 pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE, NULL, 0, NULL, NULL);
2393 /* Called from main thread */
2394 const pa_cvolume *pa_sink_get_volume(pa_sink *s, bool force_refresh) {
2395 pa_sink_assert_ref(s);
2396 pa_assert_ctl_context();
2397 pa_assert(PA_SINK_IS_LINKED(s->state));
2399 if (s->refresh_volume || force_refresh) {
2400 struct pa_cvolume old_real_volume;
2402 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2404 old_real_volume = s->real_volume;
2406 if (!(s->flags & PA_SINK_DEFERRED_VOLUME) && s->get_volume)
2409 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, NULL, 0, NULL) == 0);
2411 update_real_volume(s, &s->real_volume, &s->channel_map);
2412 propagate_real_volume(s, &old_real_volume);
2415 return &s->reference_volume;
2418 /* Called from main thread. In volume sharing cases, only the root sink may
2420 void pa_sink_volume_changed(pa_sink *s, const pa_cvolume *new_real_volume) {
2421 pa_cvolume old_real_volume;
2423 pa_sink_assert_ref(s);
2424 pa_assert_ctl_context();
2425 pa_assert(PA_SINK_IS_LINKED(s->state));
2426 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2428 /* The sink implementor may call this if the volume changed to make sure everyone is notified */
2430 old_real_volume = s->real_volume;
2431 update_real_volume(s, new_real_volume, &s->channel_map);
2432 propagate_real_volume(s, &old_real_volume);
2435 /* Called from main thread */
2436 void pa_sink_set_mute(pa_sink *s, bool mute, bool save) {
2439 pa_sink_assert_ref(s);
2440 pa_assert_ctl_context();
2442 old_muted = s->muted;
2444 if (mute == old_muted) {
2445 s->save_muted |= save;
2450 s->save_muted = save;
2452 if (!(s->flags & PA_SINK_DEFERRED_VOLUME) && s->set_mute) {
2453 s->set_mute_in_progress = true;
2455 s->set_mute_in_progress = false;
2458 if (!PA_SINK_IS_LINKED(s->state))
2461 pa_log_debug("The mute of sink %s changed from %s to %s.", s->name, pa_yes_no(old_muted), pa_yes_no(mute));
2462 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
2463 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2464 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_MUTE_CHANGED], s);
2467 /* Called from main thread */
2468 bool pa_sink_get_mute(pa_sink *s, bool force_refresh) {
2470 pa_sink_assert_ref(s);
2471 pa_assert_ctl_context();
2472 pa_assert(PA_SINK_IS_LINKED(s->state));
2474 if ((s->refresh_muted || force_refresh) && s->get_mute) {
2477 if (s->flags & PA_SINK_DEFERRED_VOLUME) {
2478 if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, &mute, 0, NULL) >= 0)
2479 pa_sink_mute_changed(s, mute);
2481 if (s->get_mute(s, &mute) >= 0)
2482 pa_sink_mute_changed(s, mute);
2489 /* Called from main thread */
2490 void pa_sink_mute_changed(pa_sink *s, bool new_muted) {
2491 pa_sink_assert_ref(s);
2492 pa_assert_ctl_context();
2493 pa_assert(PA_SINK_IS_LINKED(s->state));
2495 if (s->set_mute_in_progress)
2498 /* pa_sink_set_mute() does this same check, so this may appear redundant,
2499 * but we must have this here also, because the save parameter of
2500 * pa_sink_set_mute() would otherwise have unintended side effects (saving
2501 * the mute state when it shouldn't be saved). */
2502 if (new_muted == s->muted)
2505 pa_sink_set_mute(s, new_muted, true);
2508 /* Called from main thread */
2509 bool pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p) {
2510 pa_sink_assert_ref(s);
2511 pa_assert_ctl_context();
2514 pa_proplist_update(s->proplist, mode, p);
2516 if (PA_SINK_IS_LINKED(s->state)) {
2517 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
2518 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2524 /* Called from main thread */
2525 /* FIXME -- this should be dropped and be merged into pa_sink_update_proplist() */
2526 void pa_sink_set_description(pa_sink *s, const char *description) {
2528 pa_sink_assert_ref(s);
2529 pa_assert_ctl_context();
2531 if (!description && !pa_proplist_contains(s->proplist, PA_PROP_DEVICE_DESCRIPTION))
2534 old = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
2536 if (old && description && pa_streq(old, description))
2540 pa_proplist_sets(s->proplist, PA_PROP_DEVICE_DESCRIPTION, description);
2542 pa_proplist_unset(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
2544 if (s->monitor_source) {
2547 n = pa_sprintf_malloc("Monitor Source of %s", description ? description : s->name);
2548 pa_source_set_description(s->monitor_source, n);
2552 if (PA_SINK_IS_LINKED(s->state)) {
2553 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2554 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
2558 /* Called from main thread */
2559 unsigned pa_sink_linked_by(pa_sink *s) {
2562 pa_sink_assert_ref(s);
2563 pa_assert_ctl_context();
2564 pa_assert(PA_SINK_IS_LINKED(s->state));
2566 ret = pa_idxset_size(s->inputs);
2568 /* We add in the number of streams connected to us here. Please
2569 * note the asymmetry to pa_sink_used_by()! */
2571 if (s->monitor_source)
2572 ret += pa_source_linked_by(s->monitor_source);
2577 /* Called from main thread */
2578 unsigned pa_sink_used_by(pa_sink *s) {
2581 pa_sink_assert_ref(s);
2582 pa_assert_ctl_context();
2583 pa_assert(PA_SINK_IS_LINKED(s->state));
2585 ret = pa_idxset_size(s->inputs);
2586 pa_assert(ret >= s->n_corked);
2588 /* Streams connected to our monitor source do not matter for
2589 * pa_sink_used_by()!.*/
2591 return ret - s->n_corked;
2594 /* Called from main thread */
2595 unsigned pa_sink_check_suspend(pa_sink *s, pa_sink_input *ignore_input, pa_source_output *ignore_output) {
2600 pa_sink_assert_ref(s);
2601 pa_assert_ctl_context();
2603 if (!PA_SINK_IS_LINKED(s->state))
2608 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2609 pa_sink_input_state_t st;
2611 if (i == ignore_input)
2614 st = pa_sink_input_get_state(i);
2616 /* We do not assert here. It is perfectly valid for a sink input to
2617 * be in the INIT state (i.e. created, marked done but not yet put)
2618 * and we should not care if it's unlinked as it won't contribute
2619 * towards our busy status.
2621 if (!PA_SINK_INPUT_IS_LINKED(st))
2624 if (st == PA_SINK_INPUT_CORKED)
2627 if (i->flags & PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND)
2633 if (s->monitor_source)
2634 ret += pa_source_check_suspend(s->monitor_source, ignore_output);
2639 const char *pa_sink_state_to_string(pa_sink_state_t state) {
2641 case PA_SINK_INIT: return "INIT";
2642 case PA_SINK_IDLE: return "IDLE";
2643 case PA_SINK_RUNNING: return "RUNNING";
2644 case PA_SINK_SUSPENDED: return "SUSPENDED";
2645 case PA_SINK_UNLINKED: return "UNLINKED";
2646 case PA_SINK_INVALID_STATE: return "INVALID_STATE";
2649 pa_assert_not_reached();
2652 /* Called from the IO thread */
2653 static void sync_input_volumes_within_thread(pa_sink *s) {
2657 pa_sink_assert_ref(s);
2658 pa_sink_assert_io_context(s);
2660 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
2661 if (pa_cvolume_equal(&i->thread_info.soft_volume, &i->soft_volume))
2664 i->thread_info.soft_volume = i->soft_volume;
2665 pa_sink_input_request_rewind(i, 0, true, false, false);
2669 /* Called from the IO thread. Only called for the root sink in volume sharing
2670 * cases, except for internal recursive calls. */
2671 static void set_shared_volume_within_thread(pa_sink *s) {
2672 pa_sink_input *i = NULL;
2675 pa_sink_assert_ref(s);
2677 PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME_SYNCED, NULL, 0, NULL);
2679 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
2680 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
2681 set_shared_volume_within_thread(i->origin_sink);
2685 /* Called from IO thread, except when it is not */
2686 int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
2687 pa_sink *s = PA_SINK(o);
2688 pa_sink_assert_ref(s);
2690 switch ((pa_sink_message_t) code) {
2692 case PA_SINK_MESSAGE_ADD_INPUT: {
2693 pa_sink_input *i = PA_SINK_INPUT(userdata);
2695 /* If you change anything here, make sure to change the
2696 * sink input handling a few lines down at
2697 * PA_SINK_MESSAGE_FINISH_MOVE, too. */
2699 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
2701 /* Since the caller sleeps in pa_sink_input_put(), we can
2702 * safely access data outside of thread_info even though
2705 if ((i->thread_info.sync_prev = i->sync_prev)) {
2706 pa_assert(i->sink == i->thread_info.sync_prev->sink);
2707 pa_assert(i->sync_prev->sync_next == i);
2708 i->thread_info.sync_prev->thread_info.sync_next = i;
2711 if ((i->thread_info.sync_next = i->sync_next)) {
2712 pa_assert(i->sink == i->thread_info.sync_next->sink);
2713 pa_assert(i->sync_next->sync_prev == i);
2714 i->thread_info.sync_next->thread_info.sync_prev = i;
2717 pa_sink_input_attach(i);
2719 pa_sink_input_set_state_within_thread(i, i->state);
2721 /* The requested latency of the sink input needs to be fixed up and
2722 * then configured on the sink. If this causes the sink latency to
2723 * go down, the sink implementor is responsible for doing a rewind
2724 * in the update_requested_latency() callback to ensure that the
2725 * sink buffer doesn't contain more data than what the new latency
2728 * XXX: Does it really make sense to push this responsibility to
2729 * the sink implementors? Wouldn't it be better to do it once in
2730 * the core than many times in the modules? */
2732 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
2733 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
2735 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
2736 pa_sink_input_update_max_request(i, s->thread_info.max_request);
2738 /* We don't rewind here automatically. This is left to the
2739 * sink input implementor because some sink inputs need a
2740 * slow start, i.e. need some time to buffer client
2741 * samples before beginning streaming.
2743 * XXX: Does it really make sense to push this functionality to
2744 * the sink implementors? Wouldn't it be better to do it once in
2745 * the core than many times in the modules? */
2747 /* In flat volume mode we need to update the volume as
2749 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2752 case PA_SINK_MESSAGE_REMOVE_INPUT: {
2753 pa_sink_input *i = PA_SINK_INPUT(userdata);
2755 /* If you change anything here, make sure to change the
2756 * sink input handling a few lines down at
2757 * PA_SINK_MESSAGE_START_MOVE, too. */
2759 pa_sink_input_detach(i);
2761 pa_sink_input_set_state_within_thread(i, i->state);
2763 /* Since the caller sleeps in pa_sink_input_unlink(),
2764 * we can safely access data outside of thread_info even
2765 * though it is mutable */
2767 pa_assert(!i->sync_prev);
2768 pa_assert(!i->sync_next);
2770 if (i->thread_info.sync_prev) {
2771 i->thread_info.sync_prev->thread_info.sync_next = i->thread_info.sync_prev->sync_next;
2772 i->thread_info.sync_prev = NULL;
2775 if (i->thread_info.sync_next) {
2776 i->thread_info.sync_next->thread_info.sync_prev = i->thread_info.sync_next->sync_prev;
2777 i->thread_info.sync_next = NULL;
2780 pa_hashmap_remove_and_free(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index));
2781 pa_sink_invalidate_requested_latency(s, true);
2782 pa_sink_request_rewind(s, (size_t) -1);
2784 /* In flat volume mode we need to update the volume as
2786 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2789 case PA_SINK_MESSAGE_START_MOVE: {
2790 pa_sink_input *i = PA_SINK_INPUT(userdata);
2792 /* We don't support moving synchronized streams. */
2793 pa_assert(!i->sync_prev);
2794 pa_assert(!i->sync_next);
2795 pa_assert(!i->thread_info.sync_next);
2796 pa_assert(!i->thread_info.sync_prev);
2798 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
2800 size_t sink_nbytes, total_nbytes;
2802 /* The old sink probably has some audio from this
2803 * stream in its buffer. We want to "take it back" as
2804 * much as possible and play it to the new sink. We
2805 * don't know at this point how much the old sink can
2806 * rewind. We have to pick something, and that
2807 * something is the full latency of the old sink here.
2808 * So we rewind the stream buffer by the sink latency
2809 * amount, which may be more than what we should
2810 * rewind. This can result in a chunk of audio being
2811 * played both to the old sink and the new sink.
2813 * FIXME: Fix this code so that we don't have to make
2814 * guesses about how much the sink will actually be
2815 * able to rewind. If someone comes up with a solution
2816 * for this, something to note is that the part of the
2817 * latency that the old sink couldn't rewind should
2818 * ideally be compensated after the stream has moved
2819 * to the new sink by adding silence. The new sink
2820 * most likely can't start playing the moved stream
2821 * immediately, and that gap should be removed from
2822 * the "compensation silence" (at least at the time of
2823 * writing this, the move finish code will actually
2824 * already take care of dropping the new sink's
2825 * unrewindable latency, so taking into account the
2826 * unrewindable latency of the old sink is the only
2829 * The render_memblockq contents are discarded,
2830 * because when the sink changes, the format of the
2831 * audio stored in the render_memblockq may change
2832 * too, making the stored audio invalid. FIXME:
2833 * However, the read and write indices are moved back
2834 * the same amount, so if they are not the same now,
2835 * they won't be the same after the rewind either. If
2836 * the write index of the render_memblockq is ahead of
2837 * the read index, then the render_memblockq will feed
2838 * the new sink some silence first, which it shouldn't
2839 * do. The write index should be flushed to be the
2840 * same as the read index. */
2842 /* Get the latency of the sink */
2843 usec = pa_sink_get_latency_within_thread(s, false);
2844 sink_nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
2845 total_nbytes = sink_nbytes + pa_memblockq_get_length(i->thread_info.render_memblockq);
2847 if (total_nbytes > 0) {
2848 i->thread_info.rewrite_nbytes = i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, total_nbytes) : total_nbytes;
2849 i->thread_info.rewrite_flush = true;
2850 pa_sink_input_process_rewind(i, sink_nbytes);
2854 pa_sink_input_detach(i);
2856 /* Let's remove the sink input ...*/
2857 pa_hashmap_remove_and_free(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index));
2859 pa_sink_invalidate_requested_latency(s, true);
2861 pa_log_debug("Requesting rewind due to started move");
2862 pa_sink_request_rewind(s, (size_t) -1);
2864 /* In flat volume mode we need to update the volume as
2866 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2869 case PA_SINK_MESSAGE_FINISH_MOVE: {
2870 pa_sink_input *i = PA_SINK_INPUT(userdata);
2872 /* We don't support moving synchronized streams. */
2873 pa_assert(!i->sync_prev);
2874 pa_assert(!i->sync_next);
2875 pa_assert(!i->thread_info.sync_next);
2876 pa_assert(!i->thread_info.sync_prev);
2878 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
2880 pa_sink_input_attach(i);
2882 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
2886 /* In the ideal case the new sink would start playing
2887 * the stream immediately. That requires the sink to
2888 * be able to rewind all of its latency, which usually
2889 * isn't possible, so there will probably be some gap
2890 * before the moved stream becomes audible. We then
2891 * have two possibilities: 1) start playing the stream
2892 * from where it is now, or 2) drop the unrewindable
2893 * latency of the sink from the stream. With option 1
2894 * we won't lose any audio but the stream will have a
2895 * pause. With option 2 we may lose some audio but the
2896 * stream time will be somewhat in sync with the wall
2897 * clock. Lennart seems to have chosen option 2 (one
2898 * of the reasons might have been that option 1 is
2899 * actually much harder to implement), so we drop the
2900 * latency of the new sink from the moved stream and
2901 * hope that the sink will undo most of that in the
2904 /* Get the latency of the sink */
2905 usec = pa_sink_get_latency_within_thread(s, false);
2906 nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
2909 pa_sink_input_drop(i, nbytes);
2911 pa_log_debug("Requesting rewind due to finished move");
2912 pa_sink_request_rewind(s, nbytes);
2915 /* Updating the requested sink latency has to be done
2916 * after the sink rewind request, not before, because
2917 * otherwise the sink may limit the rewind amount
2920 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
2921 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
2923 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
2924 pa_sink_input_update_max_request(i, s->thread_info.max_request);
2926 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2929 case PA_SINK_MESSAGE_SET_SHARED_VOLUME: {
2930 pa_sink *root_sink = pa_sink_get_master(s);
2932 if (PA_LIKELY(root_sink))
2933 set_shared_volume_within_thread(root_sink);
2938 case PA_SINK_MESSAGE_SET_VOLUME_SYNCED:
2940 if (s->flags & PA_SINK_DEFERRED_VOLUME) {
2942 pa_sink_volume_change_push(s);
2944 /* Fall through ... */
2946 case PA_SINK_MESSAGE_SET_VOLUME:
2948 if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
2949 s->thread_info.soft_volume = s->soft_volume;
2950 pa_sink_request_rewind(s, (size_t) -1);
2953 /* Fall through ... */
2955 case PA_SINK_MESSAGE_SYNC_VOLUMES:
2956 sync_input_volumes_within_thread(s);
2959 case PA_SINK_MESSAGE_GET_VOLUME:
2961 if ((s->flags & PA_SINK_DEFERRED_VOLUME) && s->get_volume) {
2963 pa_sink_volume_change_flush(s);
2964 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
2967 /* In case sink implementor reset SW volume. */
2968 if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
2969 s->thread_info.soft_volume = s->soft_volume;
2970 pa_sink_request_rewind(s, (size_t) -1);
2975 case PA_SINK_MESSAGE_SET_MUTE:
2977 if (s->thread_info.soft_muted != s->muted) {
2978 s->thread_info.soft_muted = s->muted;
2979 pa_sink_request_rewind(s, (size_t) -1);
2982 if (s->flags & PA_SINK_DEFERRED_VOLUME && s->set_mute)
2987 case PA_SINK_MESSAGE_GET_MUTE:
2989 if (s->flags & PA_SINK_DEFERRED_VOLUME && s->get_mute)
2990 return s->get_mute(s, userdata);
2994 case PA_SINK_MESSAGE_SET_STATE: {
2996 bool suspend_change =
2997 (s->thread_info.state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(PA_PTR_TO_UINT(userdata))) ||
2998 (PA_SINK_IS_OPENED(s->thread_info.state) && PA_PTR_TO_UINT(userdata) == PA_SINK_SUSPENDED);
3000 s->thread_info.state = PA_PTR_TO_UINT(userdata);
3002 if (s->thread_info.state == PA_SINK_SUSPENDED) {
3003 s->thread_info.rewind_nbytes = 0;
3004 s->thread_info.rewind_requested = false;
3007 if (suspend_change) {
3011 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
3012 if (i->suspend_within_thread)
3013 i->suspend_within_thread(i, s->thread_info.state == PA_SINK_SUSPENDED);
3019 case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY: {
3021 pa_usec_t *usec = userdata;
3022 *usec = pa_sink_get_requested_latency_within_thread(s);
3024 /* Yes, that's right, the IO thread will see -1 when no
3025 * explicit requested latency is configured, the main
3026 * thread will see max_latency */
3027 if (*usec == (pa_usec_t) -1)
3028 *usec = s->thread_info.max_latency;
3033 case PA_SINK_MESSAGE_SET_LATENCY_RANGE: {
3034 pa_usec_t *r = userdata;
3036 pa_sink_set_latency_range_within_thread(s, r[0], r[1]);
3041 case PA_SINK_MESSAGE_GET_LATENCY_RANGE: {
3042 pa_usec_t *r = userdata;
3044 r[0] = s->thread_info.min_latency;
3045 r[1] = s->thread_info.max_latency;
3050 case PA_SINK_MESSAGE_GET_FIXED_LATENCY:
3052 *((pa_usec_t*) userdata) = s->thread_info.fixed_latency;
3055 case PA_SINK_MESSAGE_SET_FIXED_LATENCY:
3057 pa_sink_set_fixed_latency_within_thread(s, (pa_usec_t) offset);
3060 case PA_SINK_MESSAGE_GET_MAX_REWIND:
3062 *((size_t*) userdata) = s->thread_info.max_rewind;
3065 case PA_SINK_MESSAGE_GET_MAX_REQUEST:
3067 *((size_t*) userdata) = s->thread_info.max_request;
3070 case PA_SINK_MESSAGE_SET_MAX_REWIND:
3072 pa_sink_set_max_rewind_within_thread(s, (size_t) offset);
3075 case PA_SINK_MESSAGE_SET_MAX_REQUEST:
3077 pa_sink_set_max_request_within_thread(s, (size_t) offset);
3080 case PA_SINK_MESSAGE_SET_PORT:
3082 pa_assert(userdata);
3084 struct sink_message_set_port *msg_data = userdata;
3085 msg_data->ret = s->set_port(s, msg_data->port);
3089 case PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE:
3090 /* This message is sent from IO-thread and handled in main thread. */
3091 pa_assert_ctl_context();
3093 /* Make sure we're not messing with main thread when no longer linked */
3094 if (!PA_SINK_IS_LINKED(s->state))
3097 pa_sink_get_volume(s, true);
3098 pa_sink_get_mute(s, true);
3101 case PA_SINK_MESSAGE_SET_PORT_LATENCY_OFFSET:
3102 s->thread_info.port_latency_offset = offset;
3105 case PA_SINK_MESSAGE_GET_LATENCY:
3106 case PA_SINK_MESSAGE_MAX:
3113 /* Called from main thread */
3114 int pa_sink_suspend_all(pa_core *c, bool suspend, pa_suspend_cause_t cause) {
3119 pa_core_assert_ref(c);
3120 pa_assert_ctl_context();
3121 pa_assert(cause != 0);
3123 PA_IDXSET_FOREACH(sink, c->sinks, idx) {
3126 if ((r = pa_sink_suspend(sink, suspend, cause)) < 0)
3133 /* Called from IO thread */
3134 void pa_sink_detach_within_thread(pa_sink *s) {
3138 pa_sink_assert_ref(s);
3139 pa_sink_assert_io_context(s);
3140 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
3142 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3143 pa_sink_input_detach(i);
3145 if (s->monitor_source)
3146 pa_source_detach_within_thread(s->monitor_source);
3149 /* Called from IO thread */
3150 void pa_sink_attach_within_thread(pa_sink *s) {
3154 pa_sink_assert_ref(s);
3155 pa_sink_assert_io_context(s);
3156 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
3158 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3159 pa_sink_input_attach(i);
3161 if (s->monitor_source)
3162 pa_source_attach_within_thread(s->monitor_source);
3165 /* Called from IO thread */
3166 void pa_sink_request_rewind(pa_sink*s, size_t nbytes) {
3167 pa_sink_assert_ref(s);
3168 pa_sink_assert_io_context(s);
3169 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
3171 if (nbytes == (size_t) -1)
3172 nbytes = s->thread_info.max_rewind;
3174 nbytes = PA_MIN(nbytes, s->thread_info.max_rewind);
3176 if (s->thread_info.rewind_requested &&
3177 nbytes <= s->thread_info.rewind_nbytes)
3180 s->thread_info.rewind_nbytes = nbytes;
3181 s->thread_info.rewind_requested = true;
3183 if (s->request_rewind)
3184 s->request_rewind(s);
3187 /* Called from IO thread */
3188 pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) {
3189 pa_usec_t result = (pa_usec_t) -1;
3192 pa_usec_t monitor_latency;
3194 pa_sink_assert_ref(s);
3195 pa_sink_assert_io_context(s);
3197 if (!(s->flags & PA_SINK_DYNAMIC_LATENCY))
3198 return PA_CLAMP(s->thread_info.fixed_latency, s->thread_info.min_latency, s->thread_info.max_latency);
3200 if (s->thread_info.requested_latency_valid)
3201 return s->thread_info.requested_latency;
3203 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3204 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1 &&
3205 (result == (pa_usec_t) -1 || result > i->thread_info.requested_sink_latency))
3206 result = i->thread_info.requested_sink_latency;
3208 monitor_latency = pa_source_get_requested_latency_within_thread(s->monitor_source);
3210 if (monitor_latency != (pa_usec_t) -1 &&
3211 (result == (pa_usec_t) -1 || result > monitor_latency))
3212 result = monitor_latency;
3214 if (result != (pa_usec_t) -1)
3215 result = PA_CLAMP(result, s->thread_info.min_latency, s->thread_info.max_latency);
3217 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3218 /* Only cache if properly initialized */
3219 s->thread_info.requested_latency = result;
3220 s->thread_info.requested_latency_valid = true;
3226 /* Called from main thread */
3227 pa_usec_t pa_sink_get_requested_latency(pa_sink *s) {
3230 pa_sink_assert_ref(s);
3231 pa_assert_ctl_context();
3232 pa_assert(PA_SINK_IS_LINKED(s->state));
3234 if (s->state == PA_SINK_SUSPENDED)
3237 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
3242 /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
3243 void pa_sink_set_max_rewind_within_thread(pa_sink *s, size_t max_rewind) {
3247 pa_sink_assert_ref(s);
3248 pa_sink_assert_io_context(s);
3250 if (max_rewind == s->thread_info.max_rewind)
3253 s->thread_info.max_rewind = max_rewind;
3255 if (PA_SINK_IS_LINKED(s->thread_info.state))
3256 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3257 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
3259 if (s->monitor_source)
3260 pa_source_set_max_rewind_within_thread(s->monitor_source, s->thread_info.max_rewind);
3263 /* Called from main thread */
3264 void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind) {
3265 pa_sink_assert_ref(s);
3266 pa_assert_ctl_context();
3268 if (PA_SINK_IS_LINKED(s->state))
3269 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MAX_REWIND, NULL, max_rewind, NULL) == 0);
3271 pa_sink_set_max_rewind_within_thread(s, max_rewind);
3274 /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
3275 void pa_sink_set_max_request_within_thread(pa_sink *s, size_t max_request) {
3278 pa_sink_assert_ref(s);
3279 pa_sink_assert_io_context(s);
3281 if (max_request == s->thread_info.max_request)
3284 s->thread_info.max_request = max_request;
3286 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3289 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3290 pa_sink_input_update_max_request(i, s->thread_info.max_request);
3294 /* Called from main thread */
3295 void pa_sink_set_max_request(pa_sink *s, size_t max_request) {
3296 pa_sink_assert_ref(s);
3297 pa_assert_ctl_context();
3299 if (PA_SINK_IS_LINKED(s->state))
3300 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MAX_REQUEST, NULL, max_request, NULL) == 0);
3302 pa_sink_set_max_request_within_thread(s, max_request);
3305 /* Called from IO thread */
3306 void pa_sink_invalidate_requested_latency(pa_sink *s, bool dynamic) {
3310 pa_sink_assert_ref(s);
3311 pa_sink_assert_io_context(s);
3313 if ((s->flags & PA_SINK_DYNAMIC_LATENCY))
3314 s->thread_info.requested_latency_valid = false;
3318 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3320 if (s->update_requested_latency)
3321 s->update_requested_latency(s);
3323 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3324 if (i->update_sink_requested_latency)
3325 i->update_sink_requested_latency(i);
3329 /* Called from main thread */
3330 void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
3331 pa_sink_assert_ref(s);
3332 pa_assert_ctl_context();
3334 /* min_latency == 0: no limit
3335 * min_latency anything else: specified limit
3337 * Similar for max_latency */
3339 if (min_latency < ABSOLUTE_MIN_LATENCY)
3340 min_latency = ABSOLUTE_MIN_LATENCY;
3342 if (max_latency <= 0 ||
3343 max_latency > ABSOLUTE_MAX_LATENCY)
3344 max_latency = ABSOLUTE_MAX_LATENCY;
3346 pa_assert(min_latency <= max_latency);
3348 /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
3349 pa_assert((min_latency == ABSOLUTE_MIN_LATENCY &&
3350 max_latency == ABSOLUTE_MAX_LATENCY) ||
3351 (s->flags & PA_SINK_DYNAMIC_LATENCY));
3353 if (PA_SINK_IS_LINKED(s->state)) {
3359 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0);
3361 pa_sink_set_latency_range_within_thread(s, min_latency, max_latency);
3364 /* Called from main thread */
3365 void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
3366 pa_sink_assert_ref(s);
3367 pa_assert_ctl_context();
3368 pa_assert(min_latency);
3369 pa_assert(max_latency);
3371 if (PA_SINK_IS_LINKED(s->state)) {
3372 pa_usec_t r[2] = { 0, 0 };
3374 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
3376 *min_latency = r[0];
3377 *max_latency = r[1];
3379 *min_latency = s->thread_info.min_latency;
3380 *max_latency = s->thread_info.max_latency;
3384 /* Called from IO thread */
3385 void pa_sink_set_latency_range_within_thread(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
3386 pa_sink_assert_ref(s);
3387 pa_sink_assert_io_context(s);
3389 pa_assert(min_latency >= ABSOLUTE_MIN_LATENCY);
3390 pa_assert(max_latency <= ABSOLUTE_MAX_LATENCY);
3391 pa_assert(min_latency <= max_latency);
3393 /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
3394 pa_assert((min_latency == ABSOLUTE_MIN_LATENCY &&
3395 max_latency == ABSOLUTE_MAX_LATENCY) ||
3396 (s->flags & PA_SINK_DYNAMIC_LATENCY));
3398 if (s->thread_info.min_latency == min_latency &&
3399 s->thread_info.max_latency == max_latency)
3402 s->thread_info.min_latency = min_latency;
3403 s->thread_info.max_latency = max_latency;
3405 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3409 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3410 if (i->update_sink_latency_range)
3411 i->update_sink_latency_range(i);
3414 pa_sink_invalidate_requested_latency(s, false);
3416 pa_source_set_latency_range_within_thread(s->monitor_source, min_latency, max_latency);
3419 /* Called from main thread */
3420 void pa_sink_set_fixed_latency(pa_sink *s, pa_usec_t latency) {
3421 pa_sink_assert_ref(s);
3422 pa_assert_ctl_context();
3424 if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
3425 pa_assert(latency == 0);
3429 if (latency < ABSOLUTE_MIN_LATENCY)
3430 latency = ABSOLUTE_MIN_LATENCY;
3432 if (latency > ABSOLUTE_MAX_LATENCY)
3433 latency = ABSOLUTE_MAX_LATENCY;
3435 if (PA_SINK_IS_LINKED(s->state))
3436 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_FIXED_LATENCY, NULL, (int64_t) latency, NULL) == 0);
3438 s->thread_info.fixed_latency = latency;
3440 pa_source_set_fixed_latency(s->monitor_source, latency);
3443 /* Called from main thread */
3444 pa_usec_t pa_sink_get_fixed_latency(pa_sink *s) {
3447 pa_sink_assert_ref(s);
3448 pa_assert_ctl_context();
3450 if (s->flags & PA_SINK_DYNAMIC_LATENCY)
3453 if (PA_SINK_IS_LINKED(s->state))
3454 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_FIXED_LATENCY, &latency, 0, NULL) == 0);
3456 latency = s->thread_info.fixed_latency;
3461 /* Called from IO thread */
3462 void pa_sink_set_fixed_latency_within_thread(pa_sink *s, pa_usec_t latency) {
3463 pa_sink_assert_ref(s);
3464 pa_sink_assert_io_context(s);
3466 if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
3467 pa_assert(latency == 0);
3468 s->thread_info.fixed_latency = 0;
3470 if (s->monitor_source)
3471 pa_source_set_fixed_latency_within_thread(s->monitor_source, 0);
3476 pa_assert(latency >= ABSOLUTE_MIN_LATENCY);
3477 pa_assert(latency <= ABSOLUTE_MAX_LATENCY);
3479 if (s->thread_info.fixed_latency == latency)
3482 s->thread_info.fixed_latency = latency;
3484 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3488 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3489 if (i->update_sink_fixed_latency)
3490 i->update_sink_fixed_latency(i);
3493 pa_sink_invalidate_requested_latency(s, false);
3495 pa_source_set_fixed_latency_within_thread(s->monitor_source, latency);
3498 /* Called from main context */
3499 void pa_sink_set_port_latency_offset(pa_sink *s, int64_t offset) {
3500 pa_sink_assert_ref(s);
3502 s->port_latency_offset = offset;
3504 if (PA_SINK_IS_LINKED(s->state))
3505 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT_LATENCY_OFFSET, NULL, offset, NULL) == 0);
3507 s->thread_info.port_latency_offset = offset;
3509 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PORT_LATENCY_OFFSET_CHANGED], s);
3512 /* Called from main context */
3513 size_t pa_sink_get_max_rewind(pa_sink *s) {
3515 pa_assert_ctl_context();
3516 pa_sink_assert_ref(s);
3518 if (!PA_SINK_IS_LINKED(s->state))
3519 return s->thread_info.max_rewind;
3521 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0);
3526 /* Called from main context */
3527 size_t pa_sink_get_max_request(pa_sink *s) {
3529 pa_sink_assert_ref(s);
3530 pa_assert_ctl_context();
3532 if (!PA_SINK_IS_LINKED(s->state))
3533 return s->thread_info.max_request;
3535 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REQUEST, &r, 0, NULL) == 0);
3540 /* Called from main context */
3541 int pa_sink_set_port(pa_sink *s, const char *name, bool save) {
3542 pa_device_port *port;
3545 pa_sink_assert_ref(s);
3546 pa_assert_ctl_context();
3549 pa_log_debug("set_port() operation not implemented for sink %u \"%s\"", s->index, s->name);
3550 return -PA_ERR_NOTIMPLEMENTED;
3554 return -PA_ERR_NOENTITY;
3556 if (!(port = pa_hashmap_get(s->ports, name)))
3557 return -PA_ERR_NOENTITY;
3559 if (s->active_port == port) {
3560 s->save_port = s->save_port || save;
3564 if (s->flags & PA_SINK_DEFERRED_VOLUME) {
3565 struct sink_message_set_port msg = { .port = port, .ret = 0 };
3566 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT, &msg, 0, NULL) == 0);
3570 ret = s->set_port(s, port);
3573 return -PA_ERR_NOENTITY;
3575 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
3577 pa_log_info("Changed port of sink %u \"%s\" to %s", s->index, s->name, port->name);
3579 s->active_port = port;
3580 s->save_port = save;
3582 pa_sink_set_port_latency_offset(s, s->active_port->latency_offset);
3584 /* The active port affects the default sink selection. */
3585 pa_core_update_default_sink(s->core);
3587 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PORT_CHANGED], s);
3592 bool pa_device_init_icon(pa_proplist *p, bool is_sink) {
3593 const char *ff, *c, *t = NULL, *s = "", *profile, *bus;
3597 if (pa_proplist_contains(p, PA_PROP_DEVICE_ICON_NAME))
3600 if ((ff = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
3602 if (pa_streq(ff, "microphone"))
3603 t = "audio-input-microphone";
3604 else if (pa_streq(ff, "webcam"))
3606 else if (pa_streq(ff, "computer"))
3608 else if (pa_streq(ff, "handset"))
3610 else if (pa_streq(ff, "portable"))
3611 t = "multimedia-player";
3612 else if (pa_streq(ff, "tv"))
3613 t = "video-display";
3616 * The following icons are not part of the icon naming spec,
3617 * because Rodney Dawes sucks as the maintainer of that spec.
3619 * http://lists.freedesktop.org/archives/xdg/2009-May/010397.html
3621 else if (pa_streq(ff, "headset"))
3622 t = "audio-headset";
3623 else if (pa_streq(ff, "headphone"))
3624 t = "audio-headphones";
3625 else if (pa_streq(ff, "speaker"))
3626 t = "audio-speakers";
3627 else if (pa_streq(ff, "hands-free"))
3628 t = "audio-handsfree";
3632 if ((c = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
3633 if (pa_streq(c, "modem"))
3640 t = "audio-input-microphone";
3643 if ((profile = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
3644 if (strstr(profile, "analog"))
3646 else if (strstr(profile, "iec958"))
3648 else if (strstr(profile, "hdmi"))
3652 bus = pa_proplist_gets(p, PA_PROP_DEVICE_BUS);
3654 pa_proplist_setf(p, PA_PROP_DEVICE_ICON_NAME, "%s%s%s%s", t, pa_strempty(s), bus ? "-" : "", pa_strempty(bus));
3659 bool pa_device_init_description(pa_proplist *p, pa_card *card) {
3660 const char *s, *d = NULL, *k;
3663 if (pa_proplist_contains(p, PA_PROP_DEVICE_DESCRIPTION))
3667 if ((s = pa_proplist_gets(card->proplist, PA_PROP_DEVICE_DESCRIPTION)))
3671 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
3672 if (pa_streq(s, "internal"))
3673 d = _("Built-in Audio");
3676 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
3677 if (pa_streq(s, "modem"))
3681 d = pa_proplist_gets(p, PA_PROP_DEVICE_PRODUCT_NAME);
3686 k = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_DESCRIPTION);
3689 pa_proplist_setf(p, PA_PROP_DEVICE_DESCRIPTION, "%s %s", d, k);
3691 pa_proplist_sets(p, PA_PROP_DEVICE_DESCRIPTION, d);
3696 bool pa_device_init_intended_roles(pa_proplist *p) {
3700 if (pa_proplist_contains(p, PA_PROP_DEVICE_INTENDED_ROLES))
3703 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
3704 if (pa_streq(s, "handset") || pa_streq(s, "hands-free")
3705 || pa_streq(s, "headset")) {
3706 pa_proplist_sets(p, PA_PROP_DEVICE_INTENDED_ROLES, "phone");
3713 unsigned pa_device_init_priority(pa_proplist *p) {
3715 unsigned priority = 0;
3719 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS))) {
3721 if (pa_streq(s, "sound"))
3723 else if (!pa_streq(s, "modem"))
3727 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
3729 if (pa_streq(s, "headphone"))
3731 else if (pa_streq(s, "hifi"))
3733 else if (pa_streq(s, "speaker"))
3735 else if (pa_streq(s, "portable"))
3739 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_BUS))) {
3741 if (pa_streq(s, "bluetooth"))
3743 else if (pa_streq(s, "usb"))
3745 else if (pa_streq(s, "pci"))
3749 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
3751 if (pa_startswith(s, "analog-"))
3753 else if (pa_startswith(s, "iec958-"))
3760 PA_STATIC_FLIST_DECLARE(pa_sink_volume_change, 0, pa_xfree);
3762 /* Called from the IO thread. */
3763 static pa_sink_volume_change *pa_sink_volume_change_new(pa_sink *s) {
3764 pa_sink_volume_change *c;
3765 if (!(c = pa_flist_pop(PA_STATIC_FLIST_GET(pa_sink_volume_change))))
3766 c = pa_xnew(pa_sink_volume_change, 1);
3768 PA_LLIST_INIT(pa_sink_volume_change, c);
3770 pa_cvolume_reset(&c->hw_volume, s->sample_spec.channels);
3774 /* Called from the IO thread. */
3775 static void pa_sink_volume_change_free(pa_sink_volume_change *c) {
3777 if (pa_flist_push(PA_STATIC_FLIST_GET(pa_sink_volume_change), c) < 0)
3781 /* Called from the IO thread. */
3782 void pa_sink_volume_change_push(pa_sink *s) {
3783 pa_sink_volume_change *c = NULL;
3784 pa_sink_volume_change *nc = NULL;
3785 pa_sink_volume_change *pc = NULL;
3786 uint32_t safety_margin = s->thread_info.volume_change_safety_margin;
3788 const char *direction = NULL;
3791 nc = pa_sink_volume_change_new(s);
3793 /* NOTE: There is already more different volumes in pa_sink that I can remember.
3794 * Adding one more volume for HW would get us rid of this, but I am trying
3795 * to survive with the ones we already have. */
3796 pa_sw_cvolume_divide(&nc->hw_volume, &s->real_volume, &s->soft_volume);
3798 if (!s->thread_info.volume_changes && pa_cvolume_equal(&nc->hw_volume, &s->thread_info.current_hw_volume)) {
3799 pa_log_debug("Volume not changing");
3800 pa_sink_volume_change_free(nc);
3804 nc->at = pa_sink_get_latency_within_thread(s, false);
3805 nc->at += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
3807 if (s->thread_info.volume_changes_tail) {
3808 for (c = s->thread_info.volume_changes_tail; c; c = c->prev) {
3809 /* If volume is going up let's do it a bit late. If it is going
3810 * down let's do it a bit early. */
3811 if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&c->hw_volume)) {
3812 if (nc->at + safety_margin > c->at) {
3813 nc->at += safety_margin;
3818 else if (nc->at - safety_margin > c->at) {
3819 nc->at -= safety_margin;
3827 if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&s->thread_info.current_hw_volume)) {
3828 nc->at += safety_margin;
3831 nc->at -= safety_margin;
3834 PA_LLIST_PREPEND(pa_sink_volume_change, s->thread_info.volume_changes, nc);
3837 PA_LLIST_INSERT_AFTER(pa_sink_volume_change, s->thread_info.volume_changes, c, nc);
3840 pa_log_debug("Volume going %s to %d at %llu", direction, pa_cvolume_avg(&nc->hw_volume), (long long unsigned) nc->at);
3842 /* We can ignore volume events that came earlier but should happen later than this. */
3843 PA_LLIST_FOREACH_SAFE(c, pc, nc->next) {
3844 pa_log_debug("Volume change to %d at %llu was dropped", pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at);
3845 pa_sink_volume_change_free(c);
3848 s->thread_info.volume_changes_tail = nc;
3851 /* Called from the IO thread. */
3852 static void pa_sink_volume_change_flush(pa_sink *s) {
3853 pa_sink_volume_change *c = s->thread_info.volume_changes;
3855 s->thread_info.volume_changes = NULL;
3856 s->thread_info.volume_changes_tail = NULL;
3858 pa_sink_volume_change *next = c->next;
3859 pa_sink_volume_change_free(c);
3864 /* Called from the IO thread. */
3865 bool pa_sink_volume_change_apply(pa_sink *s, pa_usec_t *usec_to_next) {
3871 if (!s->thread_info.volume_changes || !PA_SINK_IS_LINKED(s->state)) {
3877 pa_assert(s->write_volume);
3879 now = pa_rtclock_now();
3881 while (s->thread_info.volume_changes && now >= s->thread_info.volume_changes->at) {
3882 pa_sink_volume_change *c = s->thread_info.volume_changes;
3883 PA_LLIST_REMOVE(pa_sink_volume_change, s->thread_info.volume_changes, c);
3884 pa_log_debug("Volume change to %d at %llu was written %llu usec late",
3885 pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at, (long long unsigned) (now - c->at));
3887 s->thread_info.current_hw_volume = c->hw_volume;
3888 pa_sink_volume_change_free(c);
3894 if (s->thread_info.volume_changes) {
3896 *usec_to_next = s->thread_info.volume_changes->at - now;
3897 if (pa_log_ratelimit(PA_LOG_DEBUG))
3898 pa_log_debug("Next volume change in %lld usec", (long long) (s->thread_info.volume_changes->at - now));
3903 s->thread_info.volume_changes_tail = NULL;
3908 /* Called from the IO thread. */
3909 static void pa_sink_volume_change_rewind(pa_sink *s, size_t nbytes) {
3910 /* All the queued volume events later than current latency are shifted to happen earlier. */
3911 pa_sink_volume_change *c;
3912 pa_volume_t prev_vol = pa_cvolume_avg(&s->thread_info.current_hw_volume);
3913 pa_usec_t rewound = pa_bytes_to_usec(nbytes, &s->sample_spec);
3914 pa_usec_t limit = pa_sink_get_latency_within_thread(s, false);
3916 pa_log_debug("latency = %lld", (long long) limit);
3917 limit += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
3919 PA_LLIST_FOREACH(c, s->thread_info.volume_changes) {
3920 pa_usec_t modified_limit = limit;
3921 if (prev_vol > pa_cvolume_avg(&c->hw_volume))
3922 modified_limit -= s->thread_info.volume_change_safety_margin;
3924 modified_limit += s->thread_info.volume_change_safety_margin;
3925 if (c->at > modified_limit) {
3927 if (c->at < modified_limit)
3928 c->at = modified_limit;
3930 prev_vol = pa_cvolume_avg(&c->hw_volume);
3932 pa_sink_volume_change_apply(s, NULL);
3935 /* Called from the main thread */
3936 /* Gets the list of formats supported by the sink. The members and idxset must
3937 * be freed by the caller. */
3938 pa_idxset* pa_sink_get_formats(pa_sink *s) {
3943 if (s->get_formats) {
3944 /* Sink supports format query, all is good */
3945 ret = s->get_formats(s);
3947 /* Sink doesn't support format query, so assume it does PCM */
3948 pa_format_info *f = pa_format_info_new();
3949 f->encoding = PA_ENCODING_PCM;
3951 ret = pa_idxset_new(NULL, NULL);
3952 pa_idxset_put(ret, f, NULL);
3958 /* Called from the main thread */
3959 /* Allows an external source to set what formats a sink supports if the sink
3960 * permits this. The function makes a copy of the formats on success. */
3961 bool pa_sink_set_formats(pa_sink *s, pa_idxset *formats) {
3966 /* Sink supports setting formats -- let's give it a shot */
3967 return s->set_formats(s, formats);
3969 /* Sink doesn't support setting this -- bail out */
3973 /* Called from the main thread */
3974 /* Checks if the sink can accept this format */
3975 bool pa_sink_check_format(pa_sink *s, pa_format_info *f) {
3976 pa_idxset *formats = NULL;
3982 formats = pa_sink_get_formats(s);
3985 pa_format_info *finfo_device;
3988 PA_IDXSET_FOREACH(finfo_device, formats, i) {
3989 if (pa_format_info_is_compatible(finfo_device, f)) {
3995 pa_idxset_free(formats, (pa_free_cb_t) pa_format_info_free);
4001 /* Called from the main thread */
4002 /* Calculates the intersection between formats supported by the sink and
4003 * in_formats, and returns these, in the order of the sink's formats. */
4004 pa_idxset* pa_sink_check_formats(pa_sink *s, pa_idxset *in_formats) {
4005 pa_idxset *out_formats = pa_idxset_new(NULL, NULL), *sink_formats = NULL;
4006 pa_format_info *f_sink, *f_in;
4011 if (!in_formats || pa_idxset_isempty(in_formats))
4014 sink_formats = pa_sink_get_formats(s);
4016 PA_IDXSET_FOREACH(f_sink, sink_formats, i) {
4017 PA_IDXSET_FOREACH(f_in, in_formats, j) {
4018 if (pa_format_info_is_compatible(f_sink, f_in))
4019 pa_idxset_put(out_formats, pa_format_info_copy(f_in), NULL);
4025 pa_idxset_free(sink_formats, (pa_free_cb_t) pa_format_info_free);
4030 /* Called from the main thread. */
4031 void pa_sink_set_reference_volume_direct(pa_sink *s, const pa_cvolume *volume) {
4032 pa_cvolume old_volume;
4033 char old_volume_str[PA_CVOLUME_SNPRINT_VERBOSE_MAX];
4034 char new_volume_str[PA_CVOLUME_SNPRINT_VERBOSE_MAX];
4039 old_volume = s->reference_volume;
4041 if (pa_cvolume_equal(volume, &old_volume))
4044 s->reference_volume = *volume;
4045 pa_log_debug("The reference volume of sink %s changed from %s to %s.", s->name,
4046 pa_cvolume_snprint_verbose(old_volume_str, sizeof(old_volume_str), &old_volume, &s->channel_map,
4047 s->flags & PA_SINK_DECIBEL_VOLUME),
4048 pa_cvolume_snprint_verbose(new_volume_str, sizeof(new_volume_str), volume, &s->channel_map,
4049 s->flags & PA_SINK_DECIBEL_VOLUME));
4051 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
4052 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_VOLUME_CHANGED], s);