2 This file is part of PulseAudio.
4 Copyright 2004-2006 Lennart Poettering
5 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
7 PulseAudio is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as published
9 by the Free Software Foundation; either version 2.1 of the License,
10 or (at your option) any later version.
12 PulseAudio is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
32 #include <pulse/introspect.h>
33 #include <pulse/format.h>
34 #include <pulse/utf8.h>
35 #include <pulse/xmalloc.h>
36 #include <pulse/timeval.h>
37 #include <pulse/util.h>
38 #include <pulse/rtclock.h>
39 #include <pulse/internal.h>
41 #include <pulsecore/i18n.h>
42 #include <pulsecore/sink-input.h>
43 #include <pulsecore/namereg.h>
44 #include <pulsecore/core-util.h>
45 #include <pulsecore/sample-util.h>
46 #include <pulsecore/mix.h>
47 #include <pulsecore/core-subscribe.h>
48 #include <pulsecore/log.h>
49 #include <pulsecore/macro.h>
50 #include <pulsecore/play-memblockq.h>
51 #include <pulsecore/flist.h>
55 #define MAX_MIX_CHANNELS 32
56 #define MIX_BUFFER_LENGTH (pa_page_size())
57 #define ABSOLUTE_MIN_LATENCY (500)
58 #define ABSOLUTE_MAX_LATENCY (10*PA_USEC_PER_SEC)
59 #define DEFAULT_FIXED_LATENCY (250*PA_USEC_PER_MSEC)
61 PA_DEFINE_PUBLIC_CLASS(pa_sink, pa_msgobject);
63 struct pa_sink_volume_change {
67 PA_LLIST_FIELDS(pa_sink_volume_change);
70 struct sink_message_set_port {
75 static void sink_free(pa_object *s);
77 static void pa_sink_volume_change_push(pa_sink *s);
78 static void pa_sink_volume_change_flush(pa_sink *s);
79 static void pa_sink_volume_change_rewind(pa_sink *s, size_t nbytes);
82 static void pa_sink_write_pcm_dump(pa_sink *s, pa_memchunk *chunk)
84 char *dump_time = NULL, *dump_path_surfix = NULL;
85 const char *s_device_api_str, *card_name_str, *device_idx_str;
90 /* open file for dump pcm */
91 if (s->core->pcm_dump & PA_PCM_DUMP_PA_SINK && !s->pcm_dump_fp && s->state == PA_SINK_RUNNING) {
92 pa_gettimeofday(&now);
93 localtime_r(&now.tv_sec, &tm);
94 memset(&datetime[0], 0x00, sizeof(datetime));
95 strftime(&datetime[0], sizeof(datetime), "%H%M%S", &tm);
96 dump_time = pa_sprintf_malloc("%s.%03ld", &datetime[0], now.tv_usec / 1000);
98 if ((s_device_api_str = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_API))) {
99 if (pa_streq(s_device_api_str, "alsa")) {
100 card_name_str = pa_proplist_gets(s->proplist, "alsa.card_name");
101 device_idx_str = pa_proplist_gets(s->proplist, "alsa.device");
102 dump_path_surfix = pa_sprintf_malloc("%s.%s", pa_strnull(card_name_str), pa_strnull(device_idx_str));
104 dump_path_surfix = pa_sprintf_malloc("%s", s_device_api_str);
107 dump_path_surfix = pa_sprintf_malloc("%s", s->name);
110 s->dump_path = pa_sprintf_malloc("%s_%s_pa-sink%d-%s_%dch_%d.raw", PA_PCM_DUMP_PATH_PREFIX, pa_strempty(dump_time),
111 s->index, pa_strempty(dump_path_surfix), s->sample_spec.channels, s->sample_spec.rate);
113 s->pcm_dump_fp = fopen(s->dump_path, "w");
115 pa_log_warn("%s open failed", s->dump_path);
117 pa_log_info("%s opened", s->dump_path);
120 pa_xfree(dump_path_surfix);
121 /* close file for dump pcm when config is changed */
122 } else if (~s->core->pcm_dump & PA_PCM_DUMP_PA_SINK && s->pcm_dump_fp) {
123 fclose(s->pcm_dump_fp);
124 pa_log_info("%s closed", s->dump_path);
125 pa_xfree(s->dump_path);
126 s->pcm_dump_fp = NULL;
130 if (s->pcm_dump_fp) {
133 ptr = pa_memblock_acquire(chunk->memblock);
135 fwrite((uint8_t *)ptr + chunk->index, 1, chunk->length, s->pcm_dump_fp);
137 pa_log_warn("pa_memblock_acquire is failed. ptr is NULL");
139 pa_memblock_release(chunk->memblock);
144 pa_sink_new_data* pa_sink_new_data_init(pa_sink_new_data *data) {
148 data->proplist = pa_proplist_new();
149 data->ports = pa_hashmap_new_full(pa_idxset_string_hash_func, pa_idxset_string_compare_func, NULL, (pa_free_cb_t) pa_device_port_unref);
154 void pa_sink_new_data_set_name(pa_sink_new_data *data, const char *name) {
157 pa_xfree(data->name);
158 data->name = pa_xstrdup(name);
161 void pa_sink_new_data_set_sample_spec(pa_sink_new_data *data, const pa_sample_spec *spec) {
164 if ((data->sample_spec_is_set = !!spec))
165 data->sample_spec = *spec;
168 void pa_sink_new_data_set_channel_map(pa_sink_new_data *data, const pa_channel_map *map) {
171 if ((data->channel_map_is_set = !!map))
172 data->channel_map = *map;
175 void pa_sink_new_data_set_alternate_sample_rate(pa_sink_new_data *data, const uint32_t alternate_sample_rate) {
178 data->alternate_sample_rate_is_set = true;
179 data->alternate_sample_rate = alternate_sample_rate;
182 void pa_sink_new_data_set_volume(pa_sink_new_data *data, const pa_cvolume *volume) {
185 if ((data->volume_is_set = !!volume))
186 data->volume = *volume;
189 void pa_sink_new_data_set_muted(pa_sink_new_data *data, bool mute) {
192 data->muted_is_set = true;
196 void pa_sink_new_data_set_port(pa_sink_new_data *data, const char *port) {
199 pa_xfree(data->active_port);
200 data->active_port = pa_xstrdup(port);
203 void pa_sink_new_data_done(pa_sink_new_data *data) {
206 pa_proplist_free(data->proplist);
209 pa_hashmap_free(data->ports);
211 pa_xfree(data->name);
212 pa_xfree(data->active_port);
215 /* Called from main context */
216 static void reset_callbacks(pa_sink *s) {
220 s->get_volume = NULL;
221 s->set_volume = NULL;
222 s->write_volume = NULL;
225 s->request_rewind = NULL;
226 s->update_requested_latency = NULL;
228 s->get_formats = NULL;
229 s->set_formats = NULL;
230 s->reconfigure = NULL;
233 /* Called from main context */
234 pa_sink* pa_sink_new(
236 pa_sink_new_data *data,
237 pa_sink_flags_t flags) {
241 char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
242 pa_source_new_data source_data;
248 pa_assert(data->name);
249 pa_assert_ctl_context();
251 s = pa_msgobject_new(pa_sink);
253 if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SINK, s, data->namereg_fail))) {
254 pa_log_debug("Failed to register name %s.", data->name);
259 pa_sink_new_data_set_name(data, name);
261 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_NEW], data) < 0) {
263 pa_namereg_unregister(core, name);
267 /* FIXME, need to free s here on failure */
269 pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver));
270 pa_return_null_if_fail(data->name && pa_utf8_valid(data->name) && data->name[0]);
272 pa_return_null_if_fail(data->sample_spec_is_set && pa_sample_spec_valid(&data->sample_spec));
274 if (!data->channel_map_is_set)
275 pa_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT));
277 pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map));
278 pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels);
280 /* FIXME: There should probably be a general function for checking whether
281 * the sink volume is allowed to be set, like there is for sink inputs. */
282 pa_assert(!data->volume_is_set || !(flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
284 if (!data->volume_is_set) {
285 pa_cvolume_reset(&data->volume, data->sample_spec.channels);
286 data->save_volume = false;
289 pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
290 pa_return_null_if_fail(pa_cvolume_compatible(&data->volume, &data->sample_spec));
292 if (!data->muted_is_set)
296 pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->card->proplist);
298 pa_device_init_description(data->proplist, data->card);
299 pa_device_init_icon(data->proplist, true);
300 pa_device_init_intended_roles(data->proplist);
302 if (!data->active_port) {
303 pa_device_port *p = pa_device_port_find_best(data->ports);
305 pa_sink_new_data_set_port(data, p->name);
308 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_FIXATE], data) < 0) {
310 pa_namereg_unregister(core, name);
314 s->parent.parent.free = sink_free;
315 s->parent.process_msg = pa_sink_process_msg;
318 s->state = PA_SINK_INIT;
321 s->suspend_cause = data->suspend_cause;
322 pa_sink_set_mixer_dirty(s, false);
323 s->name = pa_xstrdup(name);
324 s->proplist = pa_proplist_copy(data->proplist);
325 s->driver = pa_xstrdup(pa_path_get_filename(data->driver));
326 s->module = data->module;
327 s->card = data->card;
329 s->priority = pa_device_init_priority(s->proplist);
331 s->sample_spec = data->sample_spec;
332 s->channel_map = data->channel_map;
333 s->default_sample_rate = s->sample_spec.rate;
335 if (data->alternate_sample_rate_is_set)
336 s->alternate_sample_rate = data->alternate_sample_rate;
338 s->alternate_sample_rate = s->core->alternate_sample_rate;
340 s->avoid_resampling = data->avoid_resampling;
341 s->origin_avoid_resampling = data->avoid_resampling;
342 s->selected_sample_rate = s->default_sample_rate;
345 s->inputs = pa_idxset_new(NULL, NULL);
347 s->input_to_master = NULL;
349 s->reference_volume = s->real_volume = data->volume;
350 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
351 s->base_volume = PA_VOLUME_NORM;
352 s->n_volume_steps = PA_VOLUME_NORM+1;
353 s->muted = data->muted;
354 s->refresh_volume = s->refresh_muted = false;
361 /* As a minor optimization we just steal the list instead of
363 s->ports = data->ports;
366 s->active_port = NULL;
367 s->save_port = false;
369 if (data->active_port)
370 if ((s->active_port = pa_hashmap_get(s->ports, data->active_port)))
371 s->save_port = data->save_port;
373 /* Hopefully the active port has already been assigned in the previous call
374 to pa_device_port_find_best, but better safe than sorry */
376 s->active_port = pa_device_port_find_best(s->ports);
379 s->port_latency_offset = s->active_port->latency_offset;
381 s->port_latency_offset = 0;
383 s->save_volume = data->save_volume;
384 s->save_muted = data->save_muted;
385 #ifdef TIZEN_PCM_DUMP
386 s->pcm_dump_fp = NULL;
390 pa_silence_memchunk_get(
391 &core->silence_cache,
397 s->thread_info.rtpoll = NULL;
398 s->thread_info.inputs = pa_hashmap_new_full(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func, NULL,
399 (pa_free_cb_t) pa_sink_input_unref);
400 s->thread_info.soft_volume = s->soft_volume;
401 s->thread_info.soft_muted = s->muted;
402 s->thread_info.state = s->state;
403 s->thread_info.rewind_nbytes = 0;
404 s->thread_info.rewind_requested = false;
405 s->thread_info.max_rewind = 0;
406 s->thread_info.max_request = 0;
407 s->thread_info.requested_latency_valid = false;
408 s->thread_info.requested_latency = 0;
409 s->thread_info.min_latency = ABSOLUTE_MIN_LATENCY;
410 s->thread_info.max_latency = ABSOLUTE_MAX_LATENCY;
411 s->thread_info.fixed_latency = flags & PA_SINK_DYNAMIC_LATENCY ? 0 : DEFAULT_FIXED_LATENCY;
413 PA_LLIST_HEAD_INIT(pa_sink_volume_change, s->thread_info.volume_changes);
414 s->thread_info.volume_changes_tail = NULL;
415 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
416 s->thread_info.volume_change_safety_margin = core->deferred_volume_safety_margin_usec;
417 s->thread_info.volume_change_extra_delay = core->deferred_volume_extra_delay_usec;
418 s->thread_info.port_latency_offset = s->port_latency_offset;
420 /* FIXME: This should probably be moved to pa_sink_put() */
421 pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0);
424 pa_assert_se(pa_idxset_put(s->card->sinks, s, NULL) >= 0);
426 pt = pa_proplist_to_string_sep(s->proplist, "\n ");
427 pa_log_info("Created sink %u \"%s\" with sample spec %s and channel map %s\n %s",
430 pa_sample_spec_snprint(st, sizeof(st), &s->sample_spec),
431 pa_channel_map_snprint(cm, sizeof(cm), &s->channel_map),
435 pa_source_new_data_init(&source_data);
436 pa_source_new_data_set_sample_spec(&source_data, &s->sample_spec);
437 pa_source_new_data_set_channel_map(&source_data, &s->channel_map);
438 pa_source_new_data_set_alternate_sample_rate(&source_data, s->alternate_sample_rate);
439 source_data.name = pa_sprintf_malloc("%s.monitor", name);
440 source_data.driver = data->driver;
441 source_data.module = data->module;
442 source_data.card = data->card;
444 dn = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
445 pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Monitor of %s", dn ? dn : s->name);
446 pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "monitor");
448 s->monitor_source = pa_source_new(core, &source_data,
449 ((flags & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
450 ((flags & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0));
452 pa_source_new_data_done(&source_data);
454 if (!s->monitor_source) {
460 s->monitor_source->monitor_of = s;
462 pa_source_set_latency_range(s->monitor_source, s->thread_info.min_latency, s->thread_info.max_latency);
463 pa_source_set_fixed_latency(s->monitor_source, s->thread_info.fixed_latency);
464 pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
469 /* Called from main context */
470 static int sink_set_state(pa_sink *s, pa_sink_state_t state, pa_suspend_cause_t suspend_cause) {
473 bool suspend_cause_changed;
478 pa_assert_ctl_context();
480 state_changed = state != s->state;
481 suspend_cause_changed = suspend_cause != s->suspend_cause;
483 if (!state_changed && !suspend_cause_changed)
486 suspending = PA_SINK_IS_OPENED(s->state) && state == PA_SINK_SUSPENDED;
487 resuming = s->state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(state);
489 /* If we are resuming, suspend_cause must be 0. */
490 pa_assert(!resuming || !suspend_cause);
492 /* Here's something to think about: what to do with the suspend cause if
493 * resuming the sink fails? The old suspend cause will be incorrect, so we
494 * can't use that. On the other hand, if we set no suspend cause (as is the
495 * case currently), then it looks strange to have a sink suspended without
496 * any cause. It might be a good idea to add a new "resume failed" suspend
497 * cause, or it might just add unnecessary complexity, given that the
498 * current approach of not setting any suspend cause works well enough. */
500 if (s->set_state && state_changed) {
501 ret = s->set_state(s, state);
502 /* set_state() is allowed to fail only when resuming. */
503 pa_assert(ret >= 0 || resuming);
506 if (ret >= 0 && s->asyncmsgq && state_changed)
507 if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
508 /* SET_STATE is allowed to fail only when resuming. */
512 s->set_state(s, PA_SINK_SUSPENDED);
515 #ifdef TIZEN_PCM_DUMP
516 /* close file for dump pcm */
517 if (s->pcm_dump_fp && (s->core->pcm_dump_option & PA_PCM_DUMP_OPTION_SEPARATED) && suspending) {
518 fclose(s->pcm_dump_fp);
519 pa_log_info("%s closed", s->dump_path);
520 pa_xfree(s->dump_path);
521 s->pcm_dump_fp = NULL;
524 if (suspend_cause_changed) {
525 char old_cause_buf[PA_SUSPEND_CAUSE_TO_STRING_BUF_SIZE];
526 char new_cause_buf[PA_SUSPEND_CAUSE_TO_STRING_BUF_SIZE];
528 pa_log_debug("%s: suspend_cause: %s -> %s", s->name, pa_suspend_cause_to_string(s->suspend_cause, old_cause_buf),
529 pa_suspend_cause_to_string(suspend_cause, new_cause_buf));
530 s->suspend_cause = suspend_cause;
537 pa_log_debug("%s: state: %s -> %s", s->name, pa_sink_state_to_string(s->state), pa_sink_state_to_string(state));
540 /* If we enter UNLINKED state, then we don't send change notifications.
541 * pa_sink_unlink() will send unlink notifications instead. */
542 if (state != PA_SINK_UNLINKED) {
543 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], s);
544 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
548 if (suspending || resuming) {
552 /* We're suspending or resuming, tell everyone about it */
554 PA_IDXSET_FOREACH(i, s->inputs, idx)
555 if (s->state == PA_SINK_SUSPENDED &&
556 (i->flags & PA_SINK_INPUT_KILL_ON_SUSPEND))
557 pa_sink_input_kill(i);
559 i->suspend(i, state == PA_SINK_SUSPENDED);
563 if ((suspending || resuming || suspend_cause_changed) && s->monitor_source && state != PA_SINK_UNLINKED)
564 pa_source_sync_suspend(s->monitor_source);
569 void pa_sink_set_get_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
575 void pa_sink_set_set_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
576 pa_sink_flags_t flags;
579 pa_assert(!s->write_volume || cb);
583 /* Save the current flags so we can tell if they've changed */
587 /* The sink implementor is responsible for setting decibel volume support */
588 s->flags |= PA_SINK_HW_VOLUME_CTRL;
590 s->flags &= ~PA_SINK_HW_VOLUME_CTRL;
591 /* See note below in pa_sink_put() about volume sharing and decibel volumes */
592 pa_sink_enable_decibel_volume(s, !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
595 /* If the flags have changed after init, let any clients know via a change event */
596 if (s->state != PA_SINK_INIT && flags != s->flags)
597 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
600 void pa_sink_set_write_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
601 pa_sink_flags_t flags;
604 pa_assert(!cb || s->set_volume);
606 s->write_volume = cb;
608 /* Save the current flags so we can tell if they've changed */
612 s->flags |= PA_SINK_DEFERRED_VOLUME;
614 s->flags &= ~PA_SINK_DEFERRED_VOLUME;
616 /* If the flags have changed after init, let any clients know via a change event */
617 if (s->state != PA_SINK_INIT && flags != s->flags)
618 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
621 void pa_sink_set_get_mute_callback(pa_sink *s, pa_sink_get_mute_cb_t cb) {
627 void pa_sink_set_set_mute_callback(pa_sink *s, pa_sink_cb_t cb) {
628 pa_sink_flags_t flags;
634 /* Save the current flags so we can tell if they've changed */
638 s->flags |= PA_SINK_HW_MUTE_CTRL;
640 s->flags &= ~PA_SINK_HW_MUTE_CTRL;
642 /* If the flags have changed after init, let any clients know via a change event */
643 if (s->state != PA_SINK_INIT && flags != s->flags)
644 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
647 static void enable_flat_volume(pa_sink *s, bool enable) {
648 pa_sink_flags_t flags;
652 /* Always follow the overall user preference here */
653 enable = enable && s->core->flat_volumes;
655 /* Save the current flags so we can tell if they've changed */
659 s->flags |= PA_SINK_FLAT_VOLUME;
661 s->flags &= ~PA_SINK_FLAT_VOLUME;
663 /* If the flags have changed after init, let any clients know via a change event */
664 if (s->state != PA_SINK_INIT && flags != s->flags)
665 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
668 void pa_sink_enable_decibel_volume(pa_sink *s, bool enable) {
669 pa_sink_flags_t flags;
673 /* Save the current flags so we can tell if they've changed */
677 s->flags |= PA_SINK_DECIBEL_VOLUME;
678 enable_flat_volume(s, true);
680 s->flags &= ~PA_SINK_DECIBEL_VOLUME;
681 enable_flat_volume(s, false);
684 /* If the flags have changed after init, let any clients know via a change event */
685 if (s->state != PA_SINK_INIT && flags != s->flags)
686 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
689 /* Called from main context */
690 void pa_sink_put(pa_sink* s) {
691 pa_sink_assert_ref(s);
692 pa_assert_ctl_context();
694 pa_assert(s->state == PA_SINK_INIT);
695 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || pa_sink_is_filter(s));
697 /* The following fields must be initialized properly when calling _put() */
698 pa_assert(s->asyncmsgq);
699 pa_assert(s->thread_info.min_latency <= s->thread_info.max_latency);
701 /* Generally, flags should be initialized via pa_sink_new(). As a
702 * special exception we allow some volume related flags to be set
703 * between _new() and _put() by the callback setter functions above.
705 * Thus we implement a couple safeguards here which ensure the above
706 * setters were used (or at least the implementor made manual changes
707 * in a compatible way).
709 * Note: All of these flags set here can change over the life time
711 pa_assert(!(s->flags & PA_SINK_HW_VOLUME_CTRL) || s->set_volume);
712 pa_assert(!(s->flags & PA_SINK_DEFERRED_VOLUME) || s->write_volume);
713 pa_assert(!(s->flags & PA_SINK_HW_MUTE_CTRL) || s->set_mute);
715 /* XXX: Currently decibel volume is disabled for all sinks that use volume
716 * sharing. When the master sink supports decibel volume, it would be good
717 * to have the flag also in the filter sink, but currently we don't do that
718 * so that the flags of the filter sink never change when it's moved from
719 * a master sink to another. One solution for this problem would be to
720 * remove user-visible volume altogether from filter sinks when volume
721 * sharing is used, but the current approach was easier to implement... */
722 /* We always support decibel volumes in software, otherwise we leave it to
723 * the sink implementor to set this flag as needed.
725 * Note: This flag can also change over the life time of the sink. */
726 if (!(s->flags & PA_SINK_HW_VOLUME_CTRL) && !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
727 pa_sink_enable_decibel_volume(s, true);
728 s->soft_volume = s->reference_volume;
731 /* If the sink implementor support DB volumes by itself, we should always
732 * try and enable flat volumes too */
733 if ((s->flags & PA_SINK_DECIBEL_VOLUME))
734 enable_flat_volume(s, true);
736 if (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) {
737 pa_sink *root_sink = pa_sink_get_master(s);
739 pa_assert(root_sink);
741 s->reference_volume = root_sink->reference_volume;
742 pa_cvolume_remap(&s->reference_volume, &root_sink->channel_map, &s->channel_map);
744 s->real_volume = root_sink->real_volume;
745 pa_cvolume_remap(&s->real_volume, &root_sink->channel_map, &s->channel_map);
747 /* We assume that if the sink implementor changed the default
748 * volume he did so in real_volume, because that is the usual
749 * place where he is supposed to place his changes. */
750 s->reference_volume = s->real_volume;
752 s->thread_info.soft_volume = s->soft_volume;
753 s->thread_info.soft_muted = s->muted;
754 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
756 pa_assert((s->flags & PA_SINK_HW_VOLUME_CTRL)
757 || (s->base_volume == PA_VOLUME_NORM
758 && ((s->flags & PA_SINK_DECIBEL_VOLUME || (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)))));
759 pa_assert(!(s->flags & PA_SINK_DECIBEL_VOLUME) || s->n_volume_steps == PA_VOLUME_NORM+1);
760 pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == !(s->thread_info.fixed_latency == 0));
761 pa_assert(!(s->flags & PA_SINK_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_LATENCY));
762 pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_DYNAMIC_LATENCY));
764 pa_assert(s->monitor_source->thread_info.fixed_latency == s->thread_info.fixed_latency);
765 pa_assert(s->monitor_source->thread_info.min_latency == s->thread_info.min_latency);
766 pa_assert(s->monitor_source->thread_info.max_latency == s->thread_info.max_latency);
768 if (s->suspend_cause)
769 pa_assert_se(sink_set_state(s, PA_SINK_SUSPENDED, s->suspend_cause) == 0);
771 pa_assert_se(sink_set_state(s, PA_SINK_IDLE, 0) == 0);
773 pa_source_put(s->monitor_source);
775 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index);
776 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PUT], s);
778 /* This function must be called after the PA_CORE_HOOK_SINK_PUT hook,
779 * because module-switch-on-connect needs to know the old default sink */
780 pa_core_update_default_sink(s->core);
783 /* Called from main context */
784 void pa_sink_unlink(pa_sink* s) {
786 pa_sink_input *i, PA_UNUSED *j = NULL;
788 pa_sink_assert_ref(s);
789 pa_assert_ctl_context();
791 /* Please note that pa_sink_unlink() does more than simply
792 * reversing pa_sink_put(). It also undoes the registrations
793 * already done in pa_sink_new()! */
795 if (s->unlink_requested)
798 s->unlink_requested = true;
800 linked = PA_SINK_IS_LINKED(s->state);
803 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK], s);
805 if (s->state != PA_SINK_UNLINKED)
806 pa_namereg_unregister(s->core, s->name);
807 pa_idxset_remove_by_data(s->core->sinks, s, NULL);
809 pa_core_update_default_sink(s->core);
812 pa_idxset_remove_by_data(s->card->sinks, s, NULL);
814 while ((i = pa_idxset_first(s->inputs, NULL))) {
816 pa_sink_input_kill(i);
821 sink_set_state(s, PA_SINK_UNLINKED, 0);
823 s->state = PA_SINK_UNLINKED;
827 if (s->monitor_source)
828 pa_source_unlink(s->monitor_source);
831 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
832 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], s);
836 /* Called from main context */
837 static void sink_free(pa_object *o) {
838 pa_sink *s = PA_SINK(o);
841 pa_assert_ctl_context();
842 pa_assert(pa_sink_refcnt(s) == 0);
843 pa_assert(!PA_SINK_IS_LINKED(s->state));
845 pa_log_info("Freeing sink %u \"%s\"", s->index, s->name);
847 pa_sink_volume_change_flush(s);
849 if (s->monitor_source) {
850 pa_source_unref(s->monitor_source);
851 s->monitor_source = NULL;
854 pa_idxset_free(s->inputs, NULL);
855 pa_hashmap_free(s->thread_info.inputs);
857 if (s->silence.memblock)
858 pa_memblock_unref(s->silence.memblock);
864 pa_proplist_free(s->proplist);
867 pa_hashmap_free(s->ports);
869 #ifdef TIZEN_PCM_DUMP
870 /* close file for dump pcm */
871 if (s->pcm_dump_fp) {
872 fclose(s->pcm_dump_fp);
873 pa_log_info("%s closed", s->dump_path);
874 pa_xfree(s->dump_path);
875 s->pcm_dump_fp = NULL;
881 /* Called from main context, and not while the IO thread is active, please */
882 void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) {
883 pa_sink_assert_ref(s);
884 pa_assert_ctl_context();
888 if (s->monitor_source)
889 pa_source_set_asyncmsgq(s->monitor_source, q);
892 /* Called from main context, and not while the IO thread is active, please */
893 void pa_sink_update_flags(pa_sink *s, pa_sink_flags_t mask, pa_sink_flags_t value) {
894 pa_sink_flags_t old_flags;
895 pa_sink_input *input;
898 pa_sink_assert_ref(s);
899 pa_assert_ctl_context();
901 /* For now, allow only a minimal set of flags to be changed. */
902 pa_assert((mask & ~(PA_SINK_DYNAMIC_LATENCY|PA_SINK_LATENCY)) == 0);
904 old_flags = s->flags;
905 s->flags = (s->flags & ~mask) | (value & mask);
907 if (s->flags == old_flags)
910 if ((s->flags & PA_SINK_LATENCY) != (old_flags & PA_SINK_LATENCY))
911 pa_log_debug("Sink %s: LATENCY flag %s.", s->name, (s->flags & PA_SINK_LATENCY) ? "enabled" : "disabled");
913 if ((s->flags & PA_SINK_DYNAMIC_LATENCY) != (old_flags & PA_SINK_DYNAMIC_LATENCY))
914 pa_log_debug("Sink %s: DYNAMIC_LATENCY flag %s.",
915 s->name, (s->flags & PA_SINK_DYNAMIC_LATENCY) ? "enabled" : "disabled");
917 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
918 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_FLAGS_CHANGED], s);
920 if (s->monitor_source)
921 pa_source_update_flags(s->monitor_source,
922 ((mask & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
923 ((mask & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0),
924 ((value & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
925 ((value & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0));
927 PA_IDXSET_FOREACH(input, s->inputs, idx) {
928 if (input->origin_sink)
929 pa_sink_update_flags(input->origin_sink, mask, value);
933 /* Called from IO context, or before _put() from main context */
934 void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) {
935 pa_sink_assert_ref(s);
936 pa_sink_assert_io_context(s);
938 s->thread_info.rtpoll = p;
940 if (s->monitor_source)
941 pa_source_set_rtpoll(s->monitor_source, p);
944 /* Called from main context */
945 int pa_sink_update_status(pa_sink*s) {
946 pa_sink_assert_ref(s);
947 pa_assert_ctl_context();
948 pa_assert(PA_SINK_IS_LINKED(s->state));
950 if (s->state == PA_SINK_SUSPENDED)
953 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE, 0);
956 /* Called from any context - must be threadsafe */
957 void pa_sink_set_mixer_dirty(pa_sink *s, bool is_dirty) {
958 pa_atomic_store(&s->mixer_dirty, is_dirty ? 1 : 0);
961 /* Called from main context */
962 int pa_sink_suspend(pa_sink *s, bool suspend, pa_suspend_cause_t cause) {
963 pa_suspend_cause_t merged_cause;
965 pa_sink_assert_ref(s);
966 pa_assert_ctl_context();
967 pa_assert(PA_SINK_IS_LINKED(s->state));
968 pa_assert(cause != 0);
971 merged_cause = s->suspend_cause | cause;
973 merged_cause = s->suspend_cause & ~cause;
975 if (!(merged_cause & PA_SUSPEND_SESSION) && (pa_atomic_load(&s->mixer_dirty) != 0)) {
976 /* This might look racy but isn't: If somebody sets mixer_dirty exactly here,
977 it'll be handled just fine. */
978 pa_sink_set_mixer_dirty(s, false);
979 pa_log_debug("Mixer is now accessible. Updating alsa mixer settings.");
980 if (s->active_port && s->set_port) {
981 if (s->flags & PA_SINK_DEFERRED_VOLUME) {
982 struct sink_message_set_port msg = { .port = s->active_port, .ret = 0 };
983 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT, &msg, 0, NULL) == 0);
986 s->set_port(s, s->active_port);
997 return sink_set_state(s, PA_SINK_SUSPENDED, merged_cause);
999 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE, 0);
1002 /* Called from main context */
1003 pa_queue *pa_sink_move_all_start(pa_sink *s, pa_queue *q) {
1004 pa_sink_input *i, *n;
1007 pa_sink_assert_ref(s);
1008 pa_assert_ctl_context();
1009 pa_assert(PA_SINK_IS_LINKED(s->state));
1014 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = n) {
1015 n = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx));
1017 pa_sink_input_ref(i);
1019 if (pa_sink_input_start_move(i) >= 0)
1020 pa_queue_push(q, i);
1022 pa_sink_input_unref(i);
1028 /* Called from main context */
1029 void pa_sink_move_all_finish(pa_sink *s, pa_queue *q, bool save) {
1032 pa_sink_assert_ref(s);
1033 pa_assert_ctl_context();
1034 pa_assert(PA_SINK_IS_LINKED(s->state));
1037 while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
1038 if (PA_SINK_INPUT_IS_LINKED(i->state)) {
1039 if (pa_sink_input_finish_move(i, s, save) < 0)
1040 pa_sink_input_fail_move(i);
1043 pa_sink_input_unref(i);
1046 pa_queue_free(q, NULL);
1049 /* Called from main context */
1050 void pa_sink_move_all_fail(pa_queue *q) {
1053 pa_assert_ctl_context();
1056 while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
1057 pa_sink_input_fail_move(i);
1058 pa_sink_input_unref(i);
1061 pa_queue_free(q, NULL);
1064 /* Called from IO thread context */
1065 size_t pa_sink_process_input_underruns(pa_sink *s, size_t left_to_play) {
1070 pa_sink_assert_ref(s);
1071 pa_sink_assert_io_context(s);
1073 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
1074 size_t uf = i->thread_info.underrun_for_sink;
1076 /* Propagate down the filter tree */
1077 if (i->origin_sink) {
1078 size_t filter_result, left_to_play_origin;
1080 /* The recursive call works in the origin sink domain ... */
1081 left_to_play_origin = pa_convert_size(left_to_play, &i->sink->sample_spec, &i->origin_sink->sample_spec);
1083 /* .. and returns the time to sleep before waking up. We need the
1084 * underrun duration for comparisons, so we undo the subtraction on
1085 * the return value... */
1086 filter_result = left_to_play_origin - pa_sink_process_input_underruns(i->origin_sink, left_to_play_origin);
1088 /* ... and convert it back to the master sink domain */
1089 filter_result = pa_convert_size(filter_result, &i->origin_sink->sample_spec, &i->sink->sample_spec);
1091 /* Remember the longest underrun so far */
1092 if (filter_result > result)
1093 result = filter_result;
1097 /* No underrun here, move on */
1099 } else if (uf >= left_to_play) {
1100 /* The sink has possibly consumed all the data the sink input provided */
1101 pa_sink_input_process_underrun(i);
1102 } else if (uf > result) {
1103 /* Remember the longest underrun so far */
1109 pa_log_debug("%s: Found underrun %ld bytes ago (%ld bytes ahead in playback buffer)", s->name,
1110 (long) result, (long) left_to_play - result);
1111 return left_to_play - result;
1114 /* Called from IO thread context */
1115 void pa_sink_process_rewind(pa_sink *s, size_t nbytes) {
1119 pa_sink_assert_ref(s);
1120 pa_sink_assert_io_context(s);
1121 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1123 /* If nobody requested this and this is actually no real rewind
1124 * then we can short cut this. Please note that this means that
1125 * not all rewind requests triggered upstream will always be
1126 * translated in actual requests! */
1127 if (!s->thread_info.rewind_requested && nbytes <= 0)
1130 s->thread_info.rewind_nbytes = 0;
1131 s->thread_info.rewind_requested = false;
1134 pa_log_debug("Processing rewind...");
1135 if (s->flags & PA_SINK_DEFERRED_VOLUME)
1136 pa_sink_volume_change_rewind(s, nbytes);
1137 #ifdef TIZEN_PCM_DUMP
1140 fseeko(s->pcm_dump_fp, (off_t)nbytes * (-1), SEEK_CUR);
1144 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
1145 pa_sink_input_assert_ref(i);
1146 pa_sink_input_process_rewind(i, nbytes);
1150 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
1151 pa_source_process_rewind(s->monitor_source, nbytes);
1155 /* Called from IO thread context */
1156 static unsigned fill_mix_info(pa_sink *s, size_t *length, pa_mix_info *info, unsigned maxinfo) {
1160 size_t mixlength = *length;
1162 pa_sink_assert_ref(s);
1163 pa_sink_assert_io_context(s);
1166 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)) && maxinfo > 0) {
1167 pa_sink_input_assert_ref(i);
1169 pa_sink_input_peek(i, *length, &info->chunk, &info->volume);
1171 if (mixlength == 0 || info->chunk.length < mixlength)
1172 mixlength = info->chunk.length;
1174 if (pa_memblock_is_silence(info->chunk.memblock)) {
1175 pa_memblock_unref(info->chunk.memblock);
1179 info->userdata = pa_sink_input_ref(i);
1181 pa_assert(info->chunk.memblock);
1182 pa_assert(info->chunk.length > 0);
1190 *length = mixlength;
1195 /* Called from IO thread context */
1196 static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, pa_memchunk *result) {
1200 unsigned n_unreffed = 0;
1202 pa_sink_assert_ref(s);
1203 pa_sink_assert_io_context(s);
1205 pa_assert(result->memblock);
1206 pa_assert(result->length > 0);
1208 /* We optimize for the case where the order of the inputs has not changed */
1210 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
1212 pa_mix_info* m = NULL;
1214 pa_sink_input_assert_ref(i);
1216 /* Let's try to find the matching entry info the pa_mix_info array */
1217 for (j = 0; j < n; j ++) {
1219 if (info[p].userdata == i) {
1229 /* Drop read data */
1230 pa_sink_input_drop(i, result->length);
1232 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state)) {
1234 if (pa_hashmap_size(i->thread_info.direct_outputs) > 0) {
1235 void *ostate = NULL;
1236 pa_source_output *o;
1239 if (m && m->chunk.memblock) {
1241 pa_memblock_ref(c.memblock);
1242 pa_assert(result->length <= c.length);
1243 c.length = result->length;
1245 pa_memchunk_make_writable(&c, 0);
1246 pa_volume_memchunk(&c, &s->sample_spec, &m->volume);
1249 pa_memblock_ref(c.memblock);
1250 pa_assert(result->length <= c.length);
1251 c.length = result->length;
1254 while ((o = pa_hashmap_iterate(i->thread_info.direct_outputs, &ostate, NULL))) {
1255 pa_source_output_assert_ref(o);
1256 pa_assert(o->direct_on_input == i);
1257 pa_source_post_direct(s->monitor_source, o, &c);
1260 pa_memblock_unref(c.memblock);
1265 if (m->chunk.memblock) {
1266 pa_memblock_unref(m->chunk.memblock);
1267 pa_memchunk_reset(&m->chunk);
1270 pa_sink_input_unref(m->userdata);
1277 /* Now drop references to entries that are included in the
1278 * pa_mix_info array but don't exist anymore */
1280 if (n_unreffed < n) {
1281 for (; n > 0; info++, n--) {
1283 pa_sink_input_unref(info->userdata);
1284 if (info->chunk.memblock)
1285 pa_memblock_unref(info->chunk.memblock);
1289 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
1290 pa_source_post(s->monitor_source, result);
1293 /* Called from IO thread context */
1294 void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
1295 pa_mix_info info[MAX_MIX_CHANNELS];
1297 size_t block_size_max;
1299 pa_sink_assert_ref(s);
1300 pa_sink_assert_io_context(s);
1301 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1302 pa_assert(pa_frame_aligned(length, &s->sample_spec));
1305 pa_assert(!s->thread_info.rewind_requested);
1306 pa_assert(s->thread_info.rewind_nbytes == 0);
1308 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1309 result->memblock = pa_memblock_ref(s->silence.memblock);
1310 result->index = s->silence.index;
1311 result->length = PA_MIN(s->silence.length, length);
1318 length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec);
1320 block_size_max = pa_mempool_block_size_max(s->core->mempool);
1321 if (length > block_size_max)
1322 length = pa_frame_align(block_size_max, &s->sample_spec);
1324 pa_assert(length > 0);
1326 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
1330 *result = s->silence;
1331 pa_memblock_ref(result->memblock);
1333 if (result->length > length)
1334 result->length = length;
1336 } else if (n == 1) {
1339 *result = info[0].chunk;
1340 pa_memblock_ref(result->memblock);
1342 if (result->length > length)
1343 result->length = length;
1345 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
1347 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume)) {
1348 pa_memblock_unref(result->memblock);
1349 pa_silence_memchunk_get(&s->core->silence_cache,
1354 } else if (!pa_cvolume_is_norm(&volume)) {
1355 pa_memchunk_make_writable(result, 0);
1356 pa_volume_memchunk(result, &s->sample_spec, &volume);
1360 result->memblock = pa_memblock_new(s->core->mempool, length);
1362 ptr = pa_memblock_acquire(result->memblock);
1363 result->length = pa_mix(info, n,
1366 &s->thread_info.soft_volume,
1367 s->thread_info.soft_muted);
1368 pa_memblock_release(result->memblock);
1373 inputs_drop(s, info, n, result);
1375 #ifdef TIZEN_PCM_DUMP
1376 pa_sink_write_pcm_dump(s, result);
1381 /* Called from IO thread context */
1382 void pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
1383 pa_mix_info info[MAX_MIX_CHANNELS];
1385 size_t length, block_size_max;
1387 pa_sink_assert_ref(s);
1388 pa_sink_assert_io_context(s);
1389 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1391 pa_assert(target->memblock);
1392 pa_assert(target->length > 0);
1393 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
1395 pa_assert(!s->thread_info.rewind_requested);
1396 pa_assert(s->thread_info.rewind_nbytes == 0);
1398 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1399 pa_silence_memchunk(target, &s->sample_spec);
1405 length = target->length;
1406 block_size_max = pa_mempool_block_size_max(s->core->mempool);
1407 if (length > block_size_max)
1408 length = pa_frame_align(block_size_max, &s->sample_spec);
1410 pa_assert(length > 0);
1412 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
1415 if (target->length > length)
1416 target->length = length;
1418 pa_silence_memchunk(target, &s->sample_spec);
1419 } else if (n == 1) {
1422 if (target->length > length)
1423 target->length = length;
1425 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
1427 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume))
1428 pa_silence_memchunk(target, &s->sample_spec);
1432 vchunk = info[0].chunk;
1433 pa_memblock_ref(vchunk.memblock);
1435 if (vchunk.length > length)
1436 vchunk.length = length;
1438 if (!pa_cvolume_is_norm(&volume)) {
1439 pa_memchunk_make_writable(&vchunk, 0);
1440 pa_volume_memchunk(&vchunk, &s->sample_spec, &volume);
1443 pa_memchunk_memcpy(target, &vchunk);
1444 pa_memblock_unref(vchunk.memblock);
1450 ptr = pa_memblock_acquire(target->memblock);
1452 target->length = pa_mix(info, n,
1453 (uint8_t*) ptr + target->index, length,
1455 &s->thread_info.soft_volume,
1456 s->thread_info.soft_muted);
1458 pa_memblock_release(target->memblock);
1461 inputs_drop(s, info, n, target);
1463 #ifdef TIZEN_PCM_DUMP
1464 pa_sink_write_pcm_dump(s, target);
1469 /* Called from IO thread context */
1470 void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) {
1474 pa_sink_assert_ref(s);
1475 pa_sink_assert_io_context(s);
1476 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1478 pa_assert(target->memblock);
1479 pa_assert(target->length > 0);
1480 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
1482 pa_assert(!s->thread_info.rewind_requested);
1483 pa_assert(s->thread_info.rewind_nbytes == 0);
1485 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1486 pa_silence_memchunk(target, &s->sample_spec);
1499 pa_sink_render_into(s, &chunk);
1508 /* Called from IO thread context */
1509 void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) {
1510 pa_sink_assert_ref(s);
1511 pa_sink_assert_io_context(s);
1512 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1513 pa_assert(length > 0);
1514 pa_assert(pa_frame_aligned(length, &s->sample_spec));
1517 pa_assert(!s->thread_info.rewind_requested);
1518 pa_assert(s->thread_info.rewind_nbytes == 0);
1522 pa_sink_render(s, length, result);
1524 if (result->length < length) {
1527 pa_memchunk_make_writable(result, length);
1529 chunk.memblock = result->memblock;
1530 chunk.index = result->index + result->length;
1531 chunk.length = length - result->length;
1533 pa_sink_render_into_full(s, &chunk);
1535 result->length = length;
1541 /* Called from main thread */
1542 int pa_sink_reconfigure(pa_sink *s, pa_sample_spec *spec, bool passthrough) {
1544 pa_sample_spec desired_spec;
1545 uint32_t default_rate = s->default_sample_rate;
1546 uint32_t alternate_rate = s->alternate_sample_rate;
1549 bool default_rate_is_usable = false;
1550 bool alternate_rate_is_usable = false;
1552 bool avoid_resampling = s->avoid_resampling;
1554 bool avoid_resampling = s->core->avoid_resampling;
1557 /* We currently only try to reconfigure the sample rate */
1560 if (!s->selected_sample_rate && !avoid_resampling && pa_sample_spec_equal(spec, &s->sample_spec))
1562 if (pa_sample_spec_equal(spec, &s->sample_spec))
1566 if (!s->reconfigure)
1570 if (!s->selected_sample_rate && PA_UNLIKELY(default_rate == alternate_rate && !passthrough && !avoid_resampling)) {
1572 if (PA_UNLIKELY(default_rate == alternate_rate && !passthrough && !avoid_resampling)) {
1574 pa_log_debug("Default and alternate sample rates are the same, so there is no point in switching.");
1578 if (PA_SINK_IS_RUNNING(s->state)) {
1580 pa_log_info("Cannot update sample spec, SINK_IS_RUNNING, will keep using %s and %u Hz",
1581 pa_sample_format_to_string(s->sample_spec.format), s->sample_spec.rate);
1583 pa_log_info("Cannot update rate, SINK_IS_RUNNING, will keep using %u Hz",
1584 s->sample_spec.rate);
1589 if (s->monitor_source) {
1590 if (PA_SOURCE_IS_RUNNING(s->monitor_source->state) == true) {
1592 pa_log_info("Cannot update sample spec, monitor source is RUNNING");
1594 pa_log_info("Cannot update rate, monitor source is RUNNING");
1600 if (PA_UNLIKELY(!pa_sample_spec_valid(spec)))
1603 desired_spec = s->sample_spec;
1606 if (!avoid_resampling && s->selected_sample_rate)
1607 default_rate = alternate_rate = s->selected_sample_rate;
1609 /* We have to try to use the sink input format and rate */
1610 desired_spec.format = spec->format;
1611 desired_spec.rate = spec->rate;
1614 /* We have to try to use the sink input rate */
1615 desired_spec.rate = spec->rate;
1618 } else if (avoid_resampling && (spec->format != s->sample_spec.format ||
1619 spec->rate >= default_rate || spec->rate >= alternate_rate)) {
1620 desired_spec.format = spec->format;
1622 } else if (avoid_resampling && (spec->rate >= default_rate || spec->rate >= alternate_rate)) {
1624 /* We just try to set the sink input's sample rate if it's not too low */
1625 desired_spec.rate = spec->rate;
1627 } else if (default_rate == spec->rate || alternate_rate == spec->rate) {
1628 /* We can directly try to use this rate */
1629 desired_spec.rate = spec->rate;
1632 /* See if we can pick a rate that results in less resampling effort */
1633 if (default_rate % 11025 == 0 && spec->rate % 11025 == 0)
1634 default_rate_is_usable = true;
1635 if (default_rate % 4000 == 0 && spec->rate % 4000 == 0)
1636 default_rate_is_usable = true;
1637 if (alternate_rate % 11025 == 0 && spec->rate % 11025 == 0)
1638 alternate_rate_is_usable = true;
1639 if (alternate_rate % 4000 == 0 && spec->rate % 4000 == 0)
1640 alternate_rate_is_usable = true;
1642 if (alternate_rate_is_usable && !default_rate_is_usable)
1643 desired_spec.rate = alternate_rate;
1645 desired_spec.rate = default_rate;
1648 if (pa_sample_spec_equal(&desired_spec, &s->sample_spec) && passthrough == pa_sink_is_passthrough(s))
1651 if (!passthrough && pa_sink_used_by(s) > 0)
1655 pa_log_debug("Suspending sink %s due to changing format, desired format = %s rate = %u",
1656 s->name, pa_sample_format_to_string(desired_spec.format), desired_spec.rate);
1658 pa_log_debug("Suspending sink %s due to changing format", s->name);
1660 pa_sink_suspend(s, true, PA_SUSPEND_INTERNAL);
1662 if (s->reconfigure(s, &desired_spec, passthrough) >= 0) {
1663 /* update monitor source as well */
1664 if (s->monitor_source && !passthrough)
1666 pa_source_reconfigure(s->monitor_source, &s->sample_spec, false);
1667 pa_log_info("Reconfigured successfully");
1669 pa_source_reconfigure(s->monitor_source, &desired_spec, false);
1670 pa_log_info("Changed format successfully");
1673 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1674 if (i->state == PA_SINK_INPUT_CORKED)
1676 pa_sink_input_update_resampler(i);
1678 pa_sink_input_update_rate(i);
1685 pa_sink_suspend(s, false, PA_SUSPEND_INTERNAL);
1690 /* Called from main thread */
1691 pa_usec_t pa_sink_get_latency(pa_sink *s) {
1694 pa_sink_assert_ref(s);
1695 pa_assert_ctl_context();
1696 pa_assert(PA_SINK_IS_LINKED(s->state));
1698 /* The returned value is supposed to be in the time domain of the sound card! */
1700 if (s->state == PA_SINK_SUSPENDED)
1703 if (!(s->flags & PA_SINK_LATENCY))
1706 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
1708 /* the return value is unsigned, so check that the offset can be added to usec without
1710 if (-s->port_latency_offset <= usec)
1711 usec += s->port_latency_offset;
1715 return (pa_usec_t)usec;
1718 /* Called from IO thread */
1719 int64_t pa_sink_get_latency_within_thread(pa_sink *s, bool allow_negative) {
1723 pa_sink_assert_ref(s);
1724 pa_sink_assert_io_context(s);
1725 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1727 /* The returned value is supposed to be in the time domain of the sound card! */
1729 if (s->thread_info.state == PA_SINK_SUSPENDED)
1732 if (!(s->flags & PA_SINK_LATENCY))
1735 o = PA_MSGOBJECT(s);
1737 /* FIXME: We probably should make this a proper vtable callback instead of going through process_msg() */
1739 o->process_msg(o, PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL);
1741 /* If allow_negative is false, the call should only return positive values, */
1742 usec += s->thread_info.port_latency_offset;
1743 if (!allow_negative && usec < 0)
1749 /* Called from the main thread (and also from the IO thread while the main
1750 * thread is waiting).
1752 * When a sink uses volume sharing, it never has the PA_SINK_FLAT_VOLUME flag
1753 * set. Instead, flat volume mode is detected by checking whether the root sink
1754 * has the flag set. */
1755 bool pa_sink_flat_volume_enabled(pa_sink *s) {
1756 pa_sink_assert_ref(s);
1758 s = pa_sink_get_master(s);
1761 return (s->flags & PA_SINK_FLAT_VOLUME);
1766 /* Called from the main thread (and also from the IO thread while the main
1767 * thread is waiting). */
1768 pa_sink *pa_sink_get_master(pa_sink *s) {
1769 pa_sink_assert_ref(s);
1771 while (s && (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1772 if (PA_UNLIKELY(!s->input_to_master))
1775 s = s->input_to_master->sink;
1781 /* Called from main context */
1782 bool pa_sink_is_filter(pa_sink *s) {
1783 pa_sink_assert_ref(s);
1785 return (s->input_to_master != NULL);
1788 /* Called from main context */
1789 bool pa_sink_is_passthrough(pa_sink *s) {
1790 pa_sink_input *alt_i;
1793 pa_sink_assert_ref(s);
1795 /* one and only one PASSTHROUGH input can possibly be connected */
1796 if (pa_idxset_size(s->inputs) == 1) {
1797 alt_i = pa_idxset_first(s->inputs, &idx);
1799 if (pa_sink_input_is_passthrough(alt_i))
1806 /* Called from main context */
1807 void pa_sink_enter_passthrough(pa_sink *s) {
1810 /* The sink implementation is reconfigured for passthrough in
1811 * pa_sink_reconfigure(). This function sets the PA core objects to
1812 * passthrough mode. */
1814 /* disable the monitor in passthrough mode */
1815 if (s->monitor_source) {
1816 pa_log_debug("Suspending monitor source %s, because the sink is entering the passthrough mode.", s->monitor_source->name);
1817 pa_source_suspend(s->monitor_source, true, PA_SUSPEND_PASSTHROUGH);
1820 /* set the volume to NORM */
1821 s->saved_volume = *pa_sink_get_volume(s, true);
1822 s->saved_save_volume = s->save_volume;
1824 pa_cvolume_set(&volume, s->sample_spec.channels, PA_MIN(s->base_volume, PA_VOLUME_NORM));
1825 pa_sink_set_volume(s, &volume, true, false);
1827 pa_log_debug("Suspending/Restarting sink %s to enter passthrough mode", s->name);
1830 /* Called from main context */
1831 void pa_sink_leave_passthrough(pa_sink *s) {
1832 /* Unsuspend monitor */
1833 if (s->monitor_source) {
1834 pa_log_debug("Resuming monitor source %s, because the sink is leaving the passthrough mode.", s->monitor_source->name);
1835 pa_source_suspend(s->monitor_source, false, PA_SUSPEND_PASSTHROUGH);
1838 /* Restore sink volume to what it was before we entered passthrough mode */
1839 pa_sink_set_volume(s, &s->saved_volume, true, s->saved_save_volume);
1841 pa_cvolume_init(&s->saved_volume);
1842 s->saved_save_volume = false;
1846 /* Called from main context. */
1847 static void compute_reference_ratio(pa_sink_input *i) {
1849 pa_cvolume remapped;
1853 pa_assert(pa_sink_flat_volume_enabled(i->sink));
1856 * Calculates the reference ratio from the sink's reference
1857 * volume. This basically calculates:
1859 * i->reference_ratio = i->volume / i->sink->reference_volume
1862 remapped = i->sink->reference_volume;
1863 pa_cvolume_remap(&remapped, &i->sink->channel_map, &i->channel_map);
1865 ratio = i->reference_ratio;
1867 for (c = 0; c < i->sample_spec.channels; c++) {
1869 /* We don't update when the sink volume is 0 anyway */
1870 if (remapped.values[c] <= PA_VOLUME_MUTED)
1873 /* Don't update the reference ratio unless necessary */
1874 if (pa_sw_volume_multiply(
1876 remapped.values[c]) == i->volume.values[c])
1879 ratio.values[c] = pa_sw_volume_divide(
1880 i->volume.values[c],
1881 remapped.values[c]);
1884 pa_sink_input_set_reference_ratio(i, &ratio);
1887 /* Called from main context. Only called for the root sink in volume sharing
1888 * cases, except for internal recursive calls. */
1889 static void compute_reference_ratios(pa_sink *s) {
1893 pa_sink_assert_ref(s);
1894 pa_assert_ctl_context();
1895 pa_assert(PA_SINK_IS_LINKED(s->state));
1896 pa_assert(pa_sink_flat_volume_enabled(s));
1898 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1899 compute_reference_ratio(i);
1901 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
1902 && PA_SINK_IS_LINKED(i->origin_sink->state))
1903 compute_reference_ratios(i->origin_sink);
1907 /* Called from main context. Only called for the root sink in volume sharing
1908 * cases, except for internal recursive calls. */
1909 static void compute_real_ratios(pa_sink *s) {
1913 pa_sink_assert_ref(s);
1914 pa_assert_ctl_context();
1915 pa_assert(PA_SINK_IS_LINKED(s->state));
1916 pa_assert(pa_sink_flat_volume_enabled(s));
1918 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1920 pa_cvolume remapped;
1922 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1923 /* The origin sink uses volume sharing, so this input's real ratio
1924 * is handled as a special case - the real ratio must be 0 dB, and
1925 * as a result i->soft_volume must equal i->volume_factor. */
1926 pa_cvolume_reset(&i->real_ratio, i->real_ratio.channels);
1927 i->soft_volume = i->volume_factor;
1929 if (PA_SINK_IS_LINKED(i->origin_sink->state))
1930 compute_real_ratios(i->origin_sink);
1936 * This basically calculates:
1938 * i->real_ratio := i->volume / s->real_volume
1939 * i->soft_volume := i->real_ratio * i->volume_factor
1942 remapped = s->real_volume;
1943 pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
1945 i->real_ratio.channels = i->sample_spec.channels;
1946 i->soft_volume.channels = i->sample_spec.channels;
1948 for (c = 0; c < i->sample_spec.channels; c++) {
1950 if (remapped.values[c] <= PA_VOLUME_MUTED) {
1951 /* We leave i->real_ratio untouched */
1952 i->soft_volume.values[c] = PA_VOLUME_MUTED;
1956 /* Don't lose accuracy unless necessary */
1957 if (pa_sw_volume_multiply(
1958 i->real_ratio.values[c],
1959 remapped.values[c]) != i->volume.values[c])
1961 i->real_ratio.values[c] = pa_sw_volume_divide(
1962 i->volume.values[c],
1963 remapped.values[c]);
1965 i->soft_volume.values[c] = pa_sw_volume_multiply(
1966 i->real_ratio.values[c],
1967 i->volume_factor.values[c]);
1970 /* We don't copy the soft_volume to the thread_info data
1971 * here. That must be done by the caller */
1975 static pa_cvolume *cvolume_remap_minimal_impact(
1977 const pa_cvolume *template,
1978 const pa_channel_map *from,
1979 const pa_channel_map *to) {
1984 pa_assert(template);
1987 pa_assert(pa_cvolume_compatible_with_channel_map(v, from));
1988 pa_assert(pa_cvolume_compatible_with_channel_map(template, to));
1990 /* Much like pa_cvolume_remap(), but tries to minimize impact when
1991 * mapping from sink input to sink volumes:
1993 * If template is a possible remapping from v it is used instead
1994 * of remapping anew.
1996 * If the channel maps don't match we set an all-channel volume on
1997 * the sink to ensure that changing a volume on one stream has no
1998 * effect that cannot be compensated for in another stream that
1999 * does not have the same channel map as the sink. */
2001 if (pa_channel_map_equal(from, to))
2005 if (pa_cvolume_equal(pa_cvolume_remap(&t, to, from), v)) {
2010 pa_cvolume_set(v, to->channels, pa_cvolume_max(v));
2014 /* Called from main thread. Only called for the root sink in volume sharing
2015 * cases, except for internal recursive calls. */
2016 static void get_maximum_input_volume(pa_sink *s, pa_cvolume *max_volume, const pa_channel_map *channel_map) {
2020 pa_sink_assert_ref(s);
2021 pa_assert(max_volume);
2022 pa_assert(channel_map);
2023 pa_assert(pa_sink_flat_volume_enabled(s));
2025 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2026 pa_cvolume remapped;
2028 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
2029 if (PA_SINK_IS_LINKED(i->origin_sink->state))
2030 get_maximum_input_volume(i->origin_sink, max_volume, channel_map);
2032 /* Ignore this input. The origin sink uses volume sharing, so this
2033 * input's volume will be set to be equal to the root sink's real
2034 * volume. Obviously this input's current volume must not then
2035 * affect what the root sink's real volume will be. */
2039 remapped = i->volume;
2040 cvolume_remap_minimal_impact(&remapped, max_volume, &i->channel_map, channel_map);
2041 pa_cvolume_merge(max_volume, max_volume, &remapped);
2045 /* Called from main thread. Only called for the root sink in volume sharing
2046 * cases, except for internal recursive calls. */
2047 static bool has_inputs(pa_sink *s) {
2051 pa_sink_assert_ref(s);
2053 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2054 if (!i->origin_sink || !(i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || has_inputs(i->origin_sink))
2061 /* Called from main thread. Only called for the root sink in volume sharing
2062 * cases, except for internal recursive calls. */
2063 static void update_real_volume(pa_sink *s, const pa_cvolume *new_volume, pa_channel_map *channel_map) {
2067 pa_sink_assert_ref(s);
2068 pa_assert(new_volume);
2069 pa_assert(channel_map);
2071 s->real_volume = *new_volume;
2072 pa_cvolume_remap(&s->real_volume, channel_map, &s->channel_map);
2074 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2075 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
2076 if (pa_sink_flat_volume_enabled(s)) {
2077 pa_cvolume new_input_volume;
2079 /* Follow the root sink's real volume. */
2080 new_input_volume = *new_volume;
2081 pa_cvolume_remap(&new_input_volume, channel_map, &i->channel_map);
2082 pa_sink_input_set_volume_direct(i, &new_input_volume);
2083 compute_reference_ratio(i);
2086 if (PA_SINK_IS_LINKED(i->origin_sink->state))
2087 update_real_volume(i->origin_sink, new_volume, channel_map);
2092 /* Called from main thread. Only called for the root sink in shared volume
2094 static void compute_real_volume(pa_sink *s) {
2095 pa_sink_assert_ref(s);
2096 pa_assert_ctl_context();
2097 pa_assert(PA_SINK_IS_LINKED(s->state));
2098 pa_assert(pa_sink_flat_volume_enabled(s));
2099 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2101 /* This determines the maximum volume of all streams and sets
2102 * s->real_volume accordingly. */
2104 if (!has_inputs(s)) {
2105 /* In the special case that we have no sink inputs we leave the
2106 * volume unmodified. */
2107 update_real_volume(s, &s->reference_volume, &s->channel_map);
2111 pa_cvolume_mute(&s->real_volume, s->channel_map.channels);
2113 /* First let's determine the new maximum volume of all inputs
2114 * connected to this sink */
2115 get_maximum_input_volume(s, &s->real_volume, &s->channel_map);
2116 update_real_volume(s, &s->real_volume, &s->channel_map);
2118 /* Then, let's update the real ratios/soft volumes of all inputs
2119 * connected to this sink */
2120 compute_real_ratios(s);
2123 /* Called from main thread. Only called for the root sink in shared volume
2124 * cases, except for internal recursive calls. */
2125 static void propagate_reference_volume(pa_sink *s) {
2129 pa_sink_assert_ref(s);
2130 pa_assert_ctl_context();
2131 pa_assert(PA_SINK_IS_LINKED(s->state));
2132 pa_assert(pa_sink_flat_volume_enabled(s));
2134 /* This is called whenever the sink volume changes that is not
2135 * caused by a sink input volume change. We need to fix up the
2136 * sink input volumes accordingly */
2138 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2139 pa_cvolume new_volume;
2141 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
2142 if (PA_SINK_IS_LINKED(i->origin_sink->state))
2143 propagate_reference_volume(i->origin_sink);
2145 /* Since the origin sink uses volume sharing, this input's volume
2146 * needs to be updated to match the root sink's real volume, but
2147 * that will be done later in update_real_volume(). */
2151 /* This basically calculates:
2153 * i->volume := s->reference_volume * i->reference_ratio */
2155 new_volume = s->reference_volume;
2156 pa_cvolume_remap(&new_volume, &s->channel_map, &i->channel_map);
2157 pa_sw_cvolume_multiply(&new_volume, &new_volume, &i->reference_ratio);
2158 pa_sink_input_set_volume_direct(i, &new_volume);
2162 /* Called from main thread. Only called for the root sink in volume sharing
2163 * cases, except for internal recursive calls. The return value indicates
2164 * whether any reference volume actually changed. */
2165 static bool update_reference_volume(pa_sink *s, const pa_cvolume *v, const pa_channel_map *channel_map, bool save) {
2167 bool reference_volume_changed;
2171 pa_sink_assert_ref(s);
2172 pa_assert(PA_SINK_IS_LINKED(s->state));
2174 pa_assert(channel_map);
2175 pa_assert(pa_cvolume_valid(v));
2178 pa_cvolume_remap(&volume, channel_map, &s->channel_map);
2180 reference_volume_changed = !pa_cvolume_equal(&volume, &s->reference_volume);
2181 pa_sink_set_reference_volume_direct(s, &volume);
2183 s->save_volume = (!reference_volume_changed && s->save_volume) || save;
2185 if (!reference_volume_changed && !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
2186 /* If the root sink's volume doesn't change, then there can't be any
2187 * changes in the other sinks in the sink tree either.
2189 * It's probably theoretically possible that even if the root sink's
2190 * volume changes slightly, some filter sink doesn't change its volume
2191 * due to rounding errors. If that happens, we still want to propagate
2192 * the changed root sink volume to the sinks connected to the
2193 * intermediate sink that didn't change its volume. This theoretical
2194 * possibility is the reason why we have that !(s->flags &
2195 * PA_SINK_SHARE_VOLUME_WITH_MASTER) condition. Probably nobody would
2196 * notice even if we returned here false always if
2197 * reference_volume_changed is false. */
2200 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2201 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
2202 && PA_SINK_IS_LINKED(i->origin_sink->state))
2203 update_reference_volume(i->origin_sink, v, channel_map, false);
2209 /* Called from main thread */
2210 void pa_sink_set_volume(
2212 const pa_cvolume *volume,
2216 pa_cvolume new_reference_volume;
2219 pa_sink_assert_ref(s);
2220 pa_assert_ctl_context();
2221 pa_assert(PA_SINK_IS_LINKED(s->state));
2222 pa_assert(!volume || pa_cvolume_valid(volume));
2223 pa_assert(volume || pa_sink_flat_volume_enabled(s));
2224 pa_assert(!volume || volume->channels == 1 || pa_cvolume_compatible(volume, &s->sample_spec));
2226 /* make sure we don't change the volume when a PASSTHROUGH input is connected ...
2227 * ... *except* if we're being invoked to reset the volume to ensure 0 dB gain */
2228 if (pa_sink_is_passthrough(s) && (!volume || !pa_cvolume_is_norm(volume))) {
2229 pa_log_warn("Cannot change volume, Sink is connected to PASSTHROUGH input");
2233 /* In case of volume sharing, the volume is set for the root sink first,
2234 * from which it's then propagated to the sharing sinks. */
2235 root_sink = pa_sink_get_master(s);
2237 if (PA_UNLIKELY(!root_sink))
2240 /* As a special exception we accept mono volumes on all sinks --
2241 * even on those with more complex channel maps */
2244 if (pa_cvolume_compatible(volume, &s->sample_spec))
2245 new_reference_volume = *volume;
2247 new_reference_volume = s->reference_volume;
2248 pa_cvolume_scale(&new_reference_volume, pa_cvolume_max(volume));
2251 pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_sink->channel_map);
2253 if (update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save)) {
2254 if (pa_sink_flat_volume_enabled(root_sink)) {
2255 /* OK, propagate this volume change back to the inputs */
2256 propagate_reference_volume(root_sink);
2258 /* And now recalculate the real volume */
2259 compute_real_volume(root_sink);
2261 update_real_volume(root_sink, &root_sink->reference_volume, &root_sink->channel_map);
2265 /* If volume is NULL we synchronize the sink's real and
2266 * reference volumes with the stream volumes. */
2268 pa_assert(pa_sink_flat_volume_enabled(root_sink));
2270 /* Ok, let's determine the new real volume */
2271 compute_real_volume(root_sink);
2273 /* Let's 'push' the reference volume if necessary */
2274 pa_cvolume_merge(&new_reference_volume, &s->reference_volume, &root_sink->real_volume);
2275 /* If the sink and its root don't have the same number of channels, we need to remap */
2276 if (s != root_sink && !pa_channel_map_equal(&s->channel_map, &root_sink->channel_map))
2277 pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_sink->channel_map);
2278 update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save);
2280 /* Now that the reference volume is updated, we can update the streams'
2281 * reference ratios. */
2282 compute_reference_ratios(root_sink);
2285 if (root_sink->set_volume) {
2286 /* If we have a function set_volume(), then we do not apply a
2287 * soft volume by default. However, set_volume() is free to
2288 * apply one to root_sink->soft_volume */
2290 pa_cvolume_reset(&root_sink->soft_volume, root_sink->sample_spec.channels);
2291 if (!(root_sink->flags & PA_SINK_DEFERRED_VOLUME))
2292 root_sink->set_volume(root_sink);
2295 /* If we have no function set_volume(), then the soft volume
2296 * becomes the real volume */
2297 root_sink->soft_volume = root_sink->real_volume;
2299 /* This tells the sink that soft volume and/or real volume changed */
2301 pa_assert_se(pa_asyncmsgq_send(root_sink->asyncmsgq, PA_MSGOBJECT(root_sink), PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL) == 0);
2304 /* Called from the io thread if sync volume is used, otherwise from the main thread.
2305 * Only to be called by sink implementor */
2306 void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume) {
2308 pa_sink_assert_ref(s);
2309 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2311 if (s->flags & PA_SINK_DEFERRED_VOLUME)
2312 pa_sink_assert_io_context(s);
2314 pa_assert_ctl_context();
2317 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
2319 s->soft_volume = *volume;
2321 if (PA_SINK_IS_LINKED(s->state) && !(s->flags & PA_SINK_DEFERRED_VOLUME))
2322 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
2324 s->thread_info.soft_volume = s->soft_volume;
2327 /* Called from the main thread. Only called for the root sink in volume sharing
2328 * cases, except for internal recursive calls. */
2329 static void propagate_real_volume(pa_sink *s, const pa_cvolume *old_real_volume) {
2333 pa_sink_assert_ref(s);
2334 pa_assert(old_real_volume);
2335 pa_assert_ctl_context();
2336 pa_assert(PA_SINK_IS_LINKED(s->state));
2338 /* This is called when the hardware's real volume changes due to
2339 * some external event. We copy the real volume into our
2340 * reference volume and then rebuild the stream volumes based on
2341 * i->real_ratio which should stay fixed. */
2343 if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
2344 if (pa_cvolume_equal(old_real_volume, &s->real_volume))
2347 /* 1. Make the real volume the reference volume */
2348 update_reference_volume(s, &s->real_volume, &s->channel_map, true);
2351 if (pa_sink_flat_volume_enabled(s)) {
2353 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2354 pa_cvolume new_volume;
2356 /* 2. Since the sink's reference and real volumes are equal
2357 * now our ratios should be too. */
2358 pa_sink_input_set_reference_ratio(i, &i->real_ratio);
2360 /* 3. Recalculate the new stream reference volume based on the
2361 * reference ratio and the sink's reference volume.
2363 * This basically calculates:
2365 * i->volume = s->reference_volume * i->reference_ratio
2367 * This is identical to propagate_reference_volume() */
2368 new_volume = s->reference_volume;
2369 pa_cvolume_remap(&new_volume, &s->channel_map, &i->channel_map);
2370 pa_sw_cvolume_multiply(&new_volume, &new_volume, &i->reference_ratio);
2371 pa_sink_input_set_volume_direct(i, &new_volume);
2373 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
2374 && PA_SINK_IS_LINKED(i->origin_sink->state))
2375 propagate_real_volume(i->origin_sink, old_real_volume);
2379 /* Something got changed in the hardware. It probably makes sense
2380 * to save changed hw settings given that hw volume changes not
2381 * triggered by PA are almost certainly done by the user. */
2382 if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
2383 s->save_volume = true;
2386 /* Called from io thread */
2387 void pa_sink_update_volume_and_mute(pa_sink *s) {
2389 pa_sink_assert_io_context(s);
2391 pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE, NULL, 0, NULL, NULL);
2394 /* Called from main thread */
2395 const pa_cvolume *pa_sink_get_volume(pa_sink *s, bool force_refresh) {
2396 pa_sink_assert_ref(s);
2397 pa_assert_ctl_context();
2398 pa_assert(PA_SINK_IS_LINKED(s->state));
2400 if (s->refresh_volume || force_refresh) {
2401 struct pa_cvolume old_real_volume;
2403 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2405 old_real_volume = s->real_volume;
2407 if (!(s->flags & PA_SINK_DEFERRED_VOLUME) && s->get_volume)
2410 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, NULL, 0, NULL) == 0);
2412 update_real_volume(s, &s->real_volume, &s->channel_map);
2413 propagate_real_volume(s, &old_real_volume);
2416 return &s->reference_volume;
2419 /* Called from main thread. In volume sharing cases, only the root sink may
2421 void pa_sink_volume_changed(pa_sink *s, const pa_cvolume *new_real_volume) {
2422 pa_cvolume old_real_volume;
2424 pa_sink_assert_ref(s);
2425 pa_assert_ctl_context();
2426 pa_assert(PA_SINK_IS_LINKED(s->state));
2427 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
2429 /* The sink implementor may call this if the volume changed to make sure everyone is notified */
2431 old_real_volume = s->real_volume;
2432 update_real_volume(s, new_real_volume, &s->channel_map);
2433 propagate_real_volume(s, &old_real_volume);
2436 /* Called from main thread */
2437 void pa_sink_set_mute(pa_sink *s, bool mute, bool save) {
2440 pa_sink_assert_ref(s);
2441 pa_assert_ctl_context();
2443 old_muted = s->muted;
2445 if (mute == old_muted) {
2446 s->save_muted |= save;
2451 s->save_muted = save;
2453 if (!(s->flags & PA_SINK_DEFERRED_VOLUME) && s->set_mute) {
2454 s->set_mute_in_progress = true;
2456 s->set_mute_in_progress = false;
2459 if (!PA_SINK_IS_LINKED(s->state))
2462 pa_log_debug("The mute of sink %s changed from %s to %s.", s->name, pa_yes_no(old_muted), pa_yes_no(mute));
2463 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
2464 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2465 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_MUTE_CHANGED], s);
2468 /* Called from main thread */
2469 bool pa_sink_get_mute(pa_sink *s, bool force_refresh) {
2471 pa_sink_assert_ref(s);
2472 pa_assert_ctl_context();
2473 pa_assert(PA_SINK_IS_LINKED(s->state));
2475 if ((s->refresh_muted || force_refresh) && s->get_mute) {
2478 if (s->flags & PA_SINK_DEFERRED_VOLUME) {
2479 if (pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, &mute, 0, NULL) >= 0)
2480 pa_sink_mute_changed(s, mute);
2482 if (s->get_mute(s, &mute) >= 0)
2483 pa_sink_mute_changed(s, mute);
2490 /* Called from main thread */
2491 void pa_sink_mute_changed(pa_sink *s, bool new_muted) {
2492 pa_sink_assert_ref(s);
2493 pa_assert_ctl_context();
2494 pa_assert(PA_SINK_IS_LINKED(s->state));
2496 if (s->set_mute_in_progress)
2499 /* pa_sink_set_mute() does this same check, so this may appear redundant,
2500 * but we must have this here also, because the save parameter of
2501 * pa_sink_set_mute() would otherwise have unintended side effects (saving
2502 * the mute state when it shouldn't be saved). */
2503 if (new_muted == s->muted)
2506 pa_sink_set_mute(s, new_muted, true);
2509 /* Called from main thread */
2510 bool pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p) {
2511 pa_sink_assert_ref(s);
2512 pa_assert_ctl_context();
2515 pa_proplist_update(s->proplist, mode, p);
2517 if (PA_SINK_IS_LINKED(s->state)) {
2518 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
2519 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2525 /* Called from main thread */
2526 /* FIXME -- this should be dropped and be merged into pa_sink_update_proplist() */
2527 void pa_sink_set_description(pa_sink *s, const char *description) {
2529 pa_sink_assert_ref(s);
2530 pa_assert_ctl_context();
2532 if (!description && !pa_proplist_contains(s->proplist, PA_PROP_DEVICE_DESCRIPTION))
2535 old = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
2537 if (old && description && pa_streq(old, description))
2541 pa_proplist_sets(s->proplist, PA_PROP_DEVICE_DESCRIPTION, description);
2543 pa_proplist_unset(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
2545 if (s->monitor_source) {
2548 n = pa_sprintf_malloc("Monitor Source of %s", description ? description : s->name);
2549 pa_source_set_description(s->monitor_source, n);
2553 if (PA_SINK_IS_LINKED(s->state)) {
2554 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2555 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
2559 /* Called from main thread */
2560 unsigned pa_sink_linked_by(pa_sink *s) {
2563 pa_sink_assert_ref(s);
2564 pa_assert_ctl_context();
2565 pa_assert(PA_SINK_IS_LINKED(s->state));
2567 ret = pa_idxset_size(s->inputs);
2569 /* We add in the number of streams connected to us here. Please
2570 * note the asymmetry to pa_sink_used_by()! */
2572 if (s->monitor_source)
2573 ret += pa_source_linked_by(s->monitor_source);
2578 /* Called from main thread */
2579 unsigned pa_sink_used_by(pa_sink *s) {
2582 pa_sink_assert_ref(s);
2583 pa_assert_ctl_context();
2584 pa_assert(PA_SINK_IS_LINKED(s->state));
2586 ret = pa_idxset_size(s->inputs);
2587 pa_assert(ret >= s->n_corked);
2589 /* Streams connected to our monitor source do not matter for
2590 * pa_sink_used_by()!.*/
2592 return ret - s->n_corked;
2595 /* Called from main thread */
2596 unsigned pa_sink_check_suspend(pa_sink *s, pa_sink_input *ignore_input, pa_source_output *ignore_output) {
2601 pa_sink_assert_ref(s);
2602 pa_assert_ctl_context();
2604 if (!PA_SINK_IS_LINKED(s->state))
2609 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2610 pa_sink_input_state_t st;
2612 if (i == ignore_input)
2615 st = pa_sink_input_get_state(i);
2617 /* We do not assert here. It is perfectly valid for a sink input to
2618 * be in the INIT state (i.e. created, marked done but not yet put)
2619 * and we should not care if it's unlinked as it won't contribute
2620 * towards our busy status.
2622 if (!PA_SINK_INPUT_IS_LINKED(st))
2625 if (st == PA_SINK_INPUT_CORKED)
2628 if (i->flags & PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND)
2634 if (s->monitor_source)
2635 ret += pa_source_check_suspend(s->monitor_source, ignore_output);
2640 const char *pa_sink_state_to_string(pa_sink_state_t state) {
2642 case PA_SINK_INIT: return "INIT";
2643 case PA_SINK_IDLE: return "IDLE";
2644 case PA_SINK_RUNNING: return "RUNNING";
2645 case PA_SINK_SUSPENDED: return "SUSPENDED";
2646 case PA_SINK_UNLINKED: return "UNLINKED";
2647 case PA_SINK_INVALID_STATE: return "INVALID_STATE";
2650 pa_assert_not_reached();
2653 /* Called from the IO thread */
2654 static void sync_input_volumes_within_thread(pa_sink *s) {
2658 pa_sink_assert_ref(s);
2659 pa_sink_assert_io_context(s);
2661 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
2662 if (pa_cvolume_equal(&i->thread_info.soft_volume, &i->soft_volume))
2665 i->thread_info.soft_volume = i->soft_volume;
2666 pa_sink_input_request_rewind(i, 0, true, false, false);
2670 /* Called from the IO thread. Only called for the root sink in volume sharing
2671 * cases, except for internal recursive calls. */
2672 static void set_shared_volume_within_thread(pa_sink *s) {
2673 pa_sink_input *i = NULL;
2676 pa_sink_assert_ref(s);
2678 PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME_SYNCED, NULL, 0, NULL);
2680 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
2681 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
2682 set_shared_volume_within_thread(i->origin_sink);
2686 /* Called from IO thread, except when it is not */
2687 int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
2688 pa_sink *s = PA_SINK(o);
2689 pa_sink_assert_ref(s);
2691 switch ((pa_sink_message_t) code) {
2693 case PA_SINK_MESSAGE_ADD_INPUT: {
2694 pa_sink_input *i = PA_SINK_INPUT(userdata);
2696 /* If you change anything here, make sure to change the
2697 * sink input handling a few lines down at
2698 * PA_SINK_MESSAGE_FINISH_MOVE, too. */
2700 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
2702 /* Since the caller sleeps in pa_sink_input_put(), we can
2703 * safely access data outside of thread_info even though
2706 if ((i->thread_info.sync_prev = i->sync_prev)) {
2707 pa_assert(i->sink == i->thread_info.sync_prev->sink);
2708 pa_assert(i->sync_prev->sync_next == i);
2709 i->thread_info.sync_prev->thread_info.sync_next = i;
2712 if ((i->thread_info.sync_next = i->sync_next)) {
2713 pa_assert(i->sink == i->thread_info.sync_next->sink);
2714 pa_assert(i->sync_next->sync_prev == i);
2715 i->thread_info.sync_next->thread_info.sync_prev = i;
2718 pa_sink_input_attach(i);
2720 pa_sink_input_set_state_within_thread(i, i->state);
2722 /* The requested latency of the sink input needs to be fixed up and
2723 * then configured on the sink. If this causes the sink latency to
2724 * go down, the sink implementor is responsible for doing a rewind
2725 * in the update_requested_latency() callback to ensure that the
2726 * sink buffer doesn't contain more data than what the new latency
2729 * XXX: Does it really make sense to push this responsibility to
2730 * the sink implementors? Wouldn't it be better to do it once in
2731 * the core than many times in the modules? */
2733 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
2734 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
2736 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
2737 pa_sink_input_update_max_request(i, s->thread_info.max_request);
2739 /* We don't rewind here automatically. This is left to the
2740 * sink input implementor because some sink inputs need a
2741 * slow start, i.e. need some time to buffer client
2742 * samples before beginning streaming.
2744 * XXX: Does it really make sense to push this functionality to
2745 * the sink implementors? Wouldn't it be better to do it once in
2746 * the core than many times in the modules? */
2748 /* In flat volume mode we need to update the volume as
2750 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2753 case PA_SINK_MESSAGE_REMOVE_INPUT: {
2754 pa_sink_input *i = PA_SINK_INPUT(userdata);
2756 /* If you change anything here, make sure to change the
2757 * sink input handling a few lines down at
2758 * PA_SINK_MESSAGE_START_MOVE, too. */
2760 pa_sink_input_detach(i);
2762 pa_sink_input_set_state_within_thread(i, i->state);
2764 /* Since the caller sleeps in pa_sink_input_unlink(),
2765 * we can safely access data outside of thread_info even
2766 * though it is mutable */
2768 pa_assert(!i->sync_prev);
2769 pa_assert(!i->sync_next);
2771 if (i->thread_info.sync_prev) {
2772 i->thread_info.sync_prev->thread_info.sync_next = i->thread_info.sync_prev->sync_next;
2773 i->thread_info.sync_prev = NULL;
2776 if (i->thread_info.sync_next) {
2777 i->thread_info.sync_next->thread_info.sync_prev = i->thread_info.sync_next->sync_prev;
2778 i->thread_info.sync_next = NULL;
2781 pa_hashmap_remove_and_free(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index));
2782 pa_sink_invalidate_requested_latency(s, true);
2783 pa_sink_request_rewind(s, (size_t) -1);
2785 /* In flat volume mode we need to update the volume as
2787 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2790 case PA_SINK_MESSAGE_START_MOVE: {
2791 pa_sink_input *i = PA_SINK_INPUT(userdata);
2793 /* We don't support moving synchronized streams. */
2794 pa_assert(!i->sync_prev);
2795 pa_assert(!i->sync_next);
2796 pa_assert(!i->thread_info.sync_next);
2797 pa_assert(!i->thread_info.sync_prev);
2799 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
2801 size_t sink_nbytes, total_nbytes;
2803 /* The old sink probably has some audio from this
2804 * stream in its buffer. We want to "take it back" as
2805 * much as possible and play it to the new sink. We
2806 * don't know at this point how much the old sink can
2807 * rewind. We have to pick something, and that
2808 * something is the full latency of the old sink here.
2809 * So we rewind the stream buffer by the sink latency
2810 * amount, which may be more than what we should
2811 * rewind. This can result in a chunk of audio being
2812 * played both to the old sink and the new sink.
2814 * FIXME: Fix this code so that we don't have to make
2815 * guesses about how much the sink will actually be
2816 * able to rewind. If someone comes up with a solution
2817 * for this, something to note is that the part of the
2818 * latency that the old sink couldn't rewind should
2819 * ideally be compensated after the stream has moved
2820 * to the new sink by adding silence. The new sink
2821 * most likely can't start playing the moved stream
2822 * immediately, and that gap should be removed from
2823 * the "compensation silence" (at least at the time of
2824 * writing this, the move finish code will actually
2825 * already take care of dropping the new sink's
2826 * unrewindable latency, so taking into account the
2827 * unrewindable latency of the old sink is the only
2830 * The render_memblockq contents are discarded,
2831 * because when the sink changes, the format of the
2832 * audio stored in the render_memblockq may change
2833 * too, making the stored audio invalid. FIXME:
2834 * However, the read and write indices are moved back
2835 * the same amount, so if they are not the same now,
2836 * they won't be the same after the rewind either. If
2837 * the write index of the render_memblockq is ahead of
2838 * the read index, then the render_memblockq will feed
2839 * the new sink some silence first, which it shouldn't
2840 * do. The write index should be flushed to be the
2841 * same as the read index. */
2843 /* Get the latency of the sink */
2844 usec = pa_sink_get_latency_within_thread(s, false);
2845 sink_nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
2846 total_nbytes = sink_nbytes + pa_memblockq_get_length(i->thread_info.render_memblockq);
2848 if (total_nbytes > 0) {
2849 i->thread_info.rewrite_nbytes = i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, total_nbytes) : total_nbytes;
2850 i->thread_info.rewrite_flush = true;
2851 pa_sink_input_process_rewind(i, sink_nbytes);
2855 pa_sink_input_detach(i);
2857 /* Let's remove the sink input ...*/
2858 pa_hashmap_remove_and_free(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index));
2860 pa_sink_invalidate_requested_latency(s, true);
2862 pa_log_debug("Requesting rewind due to started move");
2863 pa_sink_request_rewind(s, (size_t) -1);
2865 /* In flat volume mode we need to update the volume as
2867 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2870 case PA_SINK_MESSAGE_FINISH_MOVE: {
2871 pa_sink_input *i = PA_SINK_INPUT(userdata);
2873 /* We don't support moving synchronized streams. */
2874 pa_assert(!i->sync_prev);
2875 pa_assert(!i->sync_next);
2876 pa_assert(!i->thread_info.sync_next);
2877 pa_assert(!i->thread_info.sync_prev);
2879 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
2881 pa_sink_input_attach(i);
2883 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
2887 /* In the ideal case the new sink would start playing
2888 * the stream immediately. That requires the sink to
2889 * be able to rewind all of its latency, which usually
2890 * isn't possible, so there will probably be some gap
2891 * before the moved stream becomes audible. We then
2892 * have two possibilities: 1) start playing the stream
2893 * from where it is now, or 2) drop the unrewindable
2894 * latency of the sink from the stream. With option 1
2895 * we won't lose any audio but the stream will have a
2896 * pause. With option 2 we may lose some audio but the
2897 * stream time will be somewhat in sync with the wall
2898 * clock. Lennart seems to have chosen option 2 (one
2899 * of the reasons might have been that option 1 is
2900 * actually much harder to implement), so we drop the
2901 * latency of the new sink from the moved stream and
2902 * hope that the sink will undo most of that in the
2905 /* Get the latency of the sink */
2906 usec = pa_sink_get_latency_within_thread(s, false);
2907 nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
2910 pa_sink_input_drop(i, nbytes);
2912 pa_log_debug("Requesting rewind due to finished move");
2913 pa_sink_request_rewind(s, nbytes);
2916 /* Updating the requested sink latency has to be done
2917 * after the sink rewind request, not before, because
2918 * otherwise the sink may limit the rewind amount
2921 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
2922 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
2924 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
2925 pa_sink_input_update_max_request(i, s->thread_info.max_request);
2927 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2930 case PA_SINK_MESSAGE_SET_SHARED_VOLUME: {
2931 pa_sink *root_sink = pa_sink_get_master(s);
2933 if (PA_LIKELY(root_sink))
2934 set_shared_volume_within_thread(root_sink);
2939 case PA_SINK_MESSAGE_SET_VOLUME_SYNCED:
2941 if (s->flags & PA_SINK_DEFERRED_VOLUME) {
2943 pa_sink_volume_change_push(s);
2945 /* Fall through ... */
2947 case PA_SINK_MESSAGE_SET_VOLUME:
2949 if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
2950 s->thread_info.soft_volume = s->soft_volume;
2951 pa_sink_request_rewind(s, (size_t) -1);
2954 /* Fall through ... */
2956 case PA_SINK_MESSAGE_SYNC_VOLUMES:
2957 sync_input_volumes_within_thread(s);
2960 case PA_SINK_MESSAGE_GET_VOLUME:
2962 if ((s->flags & PA_SINK_DEFERRED_VOLUME) && s->get_volume) {
2964 pa_sink_volume_change_flush(s);
2965 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
2968 /* In case sink implementor reset SW volume. */
2969 if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
2970 s->thread_info.soft_volume = s->soft_volume;
2971 pa_sink_request_rewind(s, (size_t) -1);
2976 case PA_SINK_MESSAGE_SET_MUTE:
2978 if (s->thread_info.soft_muted != s->muted) {
2979 s->thread_info.soft_muted = s->muted;
2980 pa_sink_request_rewind(s, (size_t) -1);
2983 if (s->flags & PA_SINK_DEFERRED_VOLUME && s->set_mute)
2988 case PA_SINK_MESSAGE_GET_MUTE:
2990 if (s->flags & PA_SINK_DEFERRED_VOLUME && s->get_mute)
2991 return s->get_mute(s, userdata);
2995 case PA_SINK_MESSAGE_SET_STATE: {
2997 bool suspend_change =
2998 (s->thread_info.state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(PA_PTR_TO_UINT(userdata))) ||
2999 (PA_SINK_IS_OPENED(s->thread_info.state) && PA_PTR_TO_UINT(userdata) == PA_SINK_SUSPENDED);
3001 s->thread_info.state = PA_PTR_TO_UINT(userdata);
3003 if (s->thread_info.state == PA_SINK_SUSPENDED) {
3004 s->thread_info.rewind_nbytes = 0;
3005 s->thread_info.rewind_requested = false;
3008 if (suspend_change) {
3012 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
3013 if (i->suspend_within_thread)
3014 i->suspend_within_thread(i, s->thread_info.state == PA_SINK_SUSPENDED);
3020 case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY: {
3022 pa_usec_t *usec = userdata;
3023 *usec = pa_sink_get_requested_latency_within_thread(s);
3025 /* Yes, that's right, the IO thread will see -1 when no
3026 * explicit requested latency is configured, the main
3027 * thread will see max_latency */
3028 if (*usec == (pa_usec_t) -1)
3029 *usec = s->thread_info.max_latency;
3034 case PA_SINK_MESSAGE_SET_LATENCY_RANGE: {
3035 pa_usec_t *r = userdata;
3037 pa_sink_set_latency_range_within_thread(s, r[0], r[1]);
3042 case PA_SINK_MESSAGE_GET_LATENCY_RANGE: {
3043 pa_usec_t *r = userdata;
3045 r[0] = s->thread_info.min_latency;
3046 r[1] = s->thread_info.max_latency;
3051 case PA_SINK_MESSAGE_GET_FIXED_LATENCY:
3053 *((pa_usec_t*) userdata) = s->thread_info.fixed_latency;
3056 case PA_SINK_MESSAGE_SET_FIXED_LATENCY:
3058 pa_sink_set_fixed_latency_within_thread(s, (pa_usec_t) offset);
3061 case PA_SINK_MESSAGE_GET_MAX_REWIND:
3063 *((size_t*) userdata) = s->thread_info.max_rewind;
3066 case PA_SINK_MESSAGE_GET_MAX_REQUEST:
3068 *((size_t*) userdata) = s->thread_info.max_request;
3071 case PA_SINK_MESSAGE_SET_MAX_REWIND:
3073 pa_sink_set_max_rewind_within_thread(s, (size_t) offset);
3076 case PA_SINK_MESSAGE_SET_MAX_REQUEST:
3078 pa_sink_set_max_request_within_thread(s, (size_t) offset);
3081 case PA_SINK_MESSAGE_SET_PORT:
3083 pa_assert(userdata);
3085 struct sink_message_set_port *msg_data = userdata;
3086 msg_data->ret = s->set_port(s, msg_data->port);
3090 case PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE:
3091 /* This message is sent from IO-thread and handled in main thread. */
3092 pa_assert_ctl_context();
3094 /* Make sure we're not messing with main thread when no longer linked */
3095 if (!PA_SINK_IS_LINKED(s->state))
3098 pa_sink_get_volume(s, true);
3099 pa_sink_get_mute(s, true);
3102 case PA_SINK_MESSAGE_SET_PORT_LATENCY_OFFSET:
3103 s->thread_info.port_latency_offset = offset;
3106 case PA_SINK_MESSAGE_GET_LATENCY:
3107 case PA_SINK_MESSAGE_MAX:
3114 /* Called from main thread */
3115 int pa_sink_suspend_all(pa_core *c, bool suspend, pa_suspend_cause_t cause) {
3120 pa_core_assert_ref(c);
3121 pa_assert_ctl_context();
3122 pa_assert(cause != 0);
3124 PA_IDXSET_FOREACH(sink, c->sinks, idx) {
3127 if ((r = pa_sink_suspend(sink, suspend, cause)) < 0)
3134 /* Called from IO thread */
3135 void pa_sink_detach_within_thread(pa_sink *s) {
3139 pa_sink_assert_ref(s);
3140 pa_sink_assert_io_context(s);
3141 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
3143 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3144 pa_sink_input_detach(i);
3146 if (s->monitor_source)
3147 pa_source_detach_within_thread(s->monitor_source);
3150 /* Called from IO thread */
3151 void pa_sink_attach_within_thread(pa_sink *s) {
3155 pa_sink_assert_ref(s);
3156 pa_sink_assert_io_context(s);
3157 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
3159 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3160 pa_sink_input_attach(i);
3162 if (s->monitor_source)
3163 pa_source_attach_within_thread(s->monitor_source);
3166 /* Called from IO thread */
3167 void pa_sink_request_rewind(pa_sink*s, size_t nbytes) {
3168 pa_sink_assert_ref(s);
3169 pa_sink_assert_io_context(s);
3170 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
3172 if (nbytes == (size_t) -1)
3173 nbytes = s->thread_info.max_rewind;
3175 nbytes = PA_MIN(nbytes, s->thread_info.max_rewind);
3177 if (s->thread_info.rewind_requested &&
3178 nbytes <= s->thread_info.rewind_nbytes)
3181 s->thread_info.rewind_nbytes = nbytes;
3182 s->thread_info.rewind_requested = true;
3184 if (s->request_rewind)
3185 s->request_rewind(s);
3188 /* Called from IO thread */
3189 pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) {
3190 pa_usec_t result = (pa_usec_t) -1;
3193 pa_usec_t monitor_latency;
3195 pa_sink_assert_ref(s);
3196 pa_sink_assert_io_context(s);
3198 if (!(s->flags & PA_SINK_DYNAMIC_LATENCY))
3199 return PA_CLAMP(s->thread_info.fixed_latency, s->thread_info.min_latency, s->thread_info.max_latency);
3201 if (s->thread_info.requested_latency_valid)
3202 return s->thread_info.requested_latency;
3204 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3205 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1 &&
3206 (result == (pa_usec_t) -1 || result > i->thread_info.requested_sink_latency))
3207 result = i->thread_info.requested_sink_latency;
3209 monitor_latency = pa_source_get_requested_latency_within_thread(s->monitor_source);
3211 if (monitor_latency != (pa_usec_t) -1 &&
3212 (result == (pa_usec_t) -1 || result > monitor_latency))
3213 result = monitor_latency;
3215 if (result != (pa_usec_t) -1)
3216 result = PA_CLAMP(result, s->thread_info.min_latency, s->thread_info.max_latency);
3218 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3219 /* Only cache if properly initialized */
3220 s->thread_info.requested_latency = result;
3221 s->thread_info.requested_latency_valid = true;
3227 /* Called from main thread */
3228 pa_usec_t pa_sink_get_requested_latency(pa_sink *s) {
3231 pa_sink_assert_ref(s);
3232 pa_assert_ctl_context();
3233 pa_assert(PA_SINK_IS_LINKED(s->state));
3235 if (s->state == PA_SINK_SUSPENDED)
3238 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
3243 /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
3244 void pa_sink_set_max_rewind_within_thread(pa_sink *s, size_t max_rewind) {
3248 pa_sink_assert_ref(s);
3249 pa_sink_assert_io_context(s);
3251 if (max_rewind == s->thread_info.max_rewind)
3254 s->thread_info.max_rewind = max_rewind;
3256 if (PA_SINK_IS_LINKED(s->thread_info.state))
3257 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3258 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
3260 if (s->monitor_source)
3261 pa_source_set_max_rewind_within_thread(s->monitor_source, s->thread_info.max_rewind);
3264 /* Called from main thread */
3265 void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind) {
3266 pa_sink_assert_ref(s);
3267 pa_assert_ctl_context();
3269 if (PA_SINK_IS_LINKED(s->state))
3270 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MAX_REWIND, NULL, max_rewind, NULL) == 0);
3272 pa_sink_set_max_rewind_within_thread(s, max_rewind);
3275 /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
3276 void pa_sink_set_max_request_within_thread(pa_sink *s, size_t max_request) {
3279 pa_sink_assert_ref(s);
3280 pa_sink_assert_io_context(s);
3282 if (max_request == s->thread_info.max_request)
3285 s->thread_info.max_request = max_request;
3287 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3290 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3291 pa_sink_input_update_max_request(i, s->thread_info.max_request);
3295 /* Called from main thread */
3296 void pa_sink_set_max_request(pa_sink *s, size_t max_request) {
3297 pa_sink_assert_ref(s);
3298 pa_assert_ctl_context();
3300 if (PA_SINK_IS_LINKED(s->state))
3301 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MAX_REQUEST, NULL, max_request, NULL) == 0);
3303 pa_sink_set_max_request_within_thread(s, max_request);
3306 /* Called from IO thread */
3307 void pa_sink_invalidate_requested_latency(pa_sink *s, bool dynamic) {
3311 pa_sink_assert_ref(s);
3312 pa_sink_assert_io_context(s);
3314 if ((s->flags & PA_SINK_DYNAMIC_LATENCY))
3315 s->thread_info.requested_latency_valid = false;
3319 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3321 if (s->update_requested_latency)
3322 s->update_requested_latency(s);
3324 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3325 if (i->update_sink_requested_latency)
3326 i->update_sink_requested_latency(i);
3330 /* Called from main thread */
3331 void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
3332 pa_sink_assert_ref(s);
3333 pa_assert_ctl_context();
3335 /* min_latency == 0: no limit
3336 * min_latency anything else: specified limit
3338 * Similar for max_latency */
3340 if (min_latency < ABSOLUTE_MIN_LATENCY)
3341 min_latency = ABSOLUTE_MIN_LATENCY;
3343 if (max_latency <= 0 ||
3344 max_latency > ABSOLUTE_MAX_LATENCY)
3345 max_latency = ABSOLUTE_MAX_LATENCY;
3347 pa_assert(min_latency <= max_latency);
3349 /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
3350 pa_assert((min_latency == ABSOLUTE_MIN_LATENCY &&
3351 max_latency == ABSOLUTE_MAX_LATENCY) ||
3352 (s->flags & PA_SINK_DYNAMIC_LATENCY));
3354 if (PA_SINK_IS_LINKED(s->state)) {
3360 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0);
3362 pa_sink_set_latency_range_within_thread(s, min_latency, max_latency);
3365 /* Called from main thread */
3366 void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
3367 pa_sink_assert_ref(s);
3368 pa_assert_ctl_context();
3369 pa_assert(min_latency);
3370 pa_assert(max_latency);
3372 if (PA_SINK_IS_LINKED(s->state)) {
3373 pa_usec_t r[2] = { 0, 0 };
3375 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
3377 *min_latency = r[0];
3378 *max_latency = r[1];
3380 *min_latency = s->thread_info.min_latency;
3381 *max_latency = s->thread_info.max_latency;
3385 /* Called from IO thread */
3386 void pa_sink_set_latency_range_within_thread(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
3387 pa_sink_assert_ref(s);
3388 pa_sink_assert_io_context(s);
3390 pa_assert(min_latency >= ABSOLUTE_MIN_LATENCY);
3391 pa_assert(max_latency <= ABSOLUTE_MAX_LATENCY);
3392 pa_assert(min_latency <= max_latency);
3394 /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
3395 pa_assert((min_latency == ABSOLUTE_MIN_LATENCY &&
3396 max_latency == ABSOLUTE_MAX_LATENCY) ||
3397 (s->flags & PA_SINK_DYNAMIC_LATENCY));
3399 if (s->thread_info.min_latency == min_latency &&
3400 s->thread_info.max_latency == max_latency)
3403 s->thread_info.min_latency = min_latency;
3404 s->thread_info.max_latency = max_latency;
3406 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3410 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3411 if (i->update_sink_latency_range)
3412 i->update_sink_latency_range(i);
3415 pa_sink_invalidate_requested_latency(s, false);
3417 pa_source_set_latency_range_within_thread(s->monitor_source, min_latency, max_latency);
3420 /* Called from main thread */
3421 void pa_sink_set_fixed_latency(pa_sink *s, pa_usec_t latency) {
3422 pa_sink_assert_ref(s);
3423 pa_assert_ctl_context();
3425 if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
3426 pa_assert(latency == 0);
3430 if (latency < ABSOLUTE_MIN_LATENCY)
3431 latency = ABSOLUTE_MIN_LATENCY;
3433 if (latency > ABSOLUTE_MAX_LATENCY)
3434 latency = ABSOLUTE_MAX_LATENCY;
3436 if (PA_SINK_IS_LINKED(s->state))
3437 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_FIXED_LATENCY, NULL, (int64_t) latency, NULL) == 0);
3439 s->thread_info.fixed_latency = latency;
3441 pa_source_set_fixed_latency(s->monitor_source, latency);
3444 /* Called from main thread */
3445 pa_usec_t pa_sink_get_fixed_latency(pa_sink *s) {
3448 pa_sink_assert_ref(s);
3449 pa_assert_ctl_context();
3451 if (s->flags & PA_SINK_DYNAMIC_LATENCY)
3454 if (PA_SINK_IS_LINKED(s->state))
3455 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_FIXED_LATENCY, &latency, 0, NULL) == 0);
3457 latency = s->thread_info.fixed_latency;
3462 /* Called from IO thread */
3463 void pa_sink_set_fixed_latency_within_thread(pa_sink *s, pa_usec_t latency) {
3464 pa_sink_assert_ref(s);
3465 pa_sink_assert_io_context(s);
3467 if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
3468 pa_assert(latency == 0);
3469 s->thread_info.fixed_latency = 0;
3471 if (s->monitor_source)
3472 pa_source_set_fixed_latency_within_thread(s->monitor_source, 0);
3477 pa_assert(latency >= ABSOLUTE_MIN_LATENCY);
3478 pa_assert(latency <= ABSOLUTE_MAX_LATENCY);
3480 if (s->thread_info.fixed_latency == latency)
3483 s->thread_info.fixed_latency = latency;
3485 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
3489 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
3490 if (i->update_sink_fixed_latency)
3491 i->update_sink_fixed_latency(i);
3494 pa_sink_invalidate_requested_latency(s, false);
3496 pa_source_set_fixed_latency_within_thread(s->monitor_source, latency);
3499 /* Called from main context */
3500 void pa_sink_set_port_latency_offset(pa_sink *s, int64_t offset) {
3501 pa_sink_assert_ref(s);
3503 s->port_latency_offset = offset;
3505 if (PA_SINK_IS_LINKED(s->state))
3506 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT_LATENCY_OFFSET, NULL, offset, NULL) == 0);
3508 s->thread_info.port_latency_offset = offset;
3510 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PORT_LATENCY_OFFSET_CHANGED], s);
3513 /* Called from main context */
3514 size_t pa_sink_get_max_rewind(pa_sink *s) {
3516 pa_assert_ctl_context();
3517 pa_sink_assert_ref(s);
3519 if (!PA_SINK_IS_LINKED(s->state))
3520 return s->thread_info.max_rewind;
3522 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0);
3527 /* Called from main context */
3528 size_t pa_sink_get_max_request(pa_sink *s) {
3530 pa_sink_assert_ref(s);
3531 pa_assert_ctl_context();
3533 if (!PA_SINK_IS_LINKED(s->state))
3534 return s->thread_info.max_request;
3536 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REQUEST, &r, 0, NULL) == 0);
3541 /* Called from main context */
3542 int pa_sink_set_port(pa_sink *s, const char *name, bool save) {
3543 pa_device_port *port;
3546 pa_sink_assert_ref(s);
3547 pa_assert_ctl_context();
3550 pa_log_debug("set_port() operation not implemented for sink %u \"%s\"", s->index, s->name);
3551 return -PA_ERR_NOTIMPLEMENTED;
3555 return -PA_ERR_NOENTITY;
3557 if (!(port = pa_hashmap_get(s->ports, name)))
3558 return -PA_ERR_NOENTITY;
3560 if (s->active_port == port) {
3561 s->save_port = s->save_port || save;
3565 if (s->flags & PA_SINK_DEFERRED_VOLUME) {
3566 struct sink_message_set_port msg = { .port = port, .ret = 0 };
3567 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT, &msg, 0, NULL) == 0);
3571 ret = s->set_port(s, port);
3574 return -PA_ERR_NOENTITY;
3576 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
3578 pa_log_info("Changed port of sink %u \"%s\" to %s", s->index, s->name, port->name);
3580 s->active_port = port;
3581 s->save_port = save;
3583 pa_sink_set_port_latency_offset(s, s->active_port->latency_offset);
3585 /* The active port affects the default sink selection. */
3586 pa_core_update_default_sink(s->core);
3588 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PORT_CHANGED], s);
3593 bool pa_device_init_icon(pa_proplist *p, bool is_sink) {
3594 const char *ff, *c, *t = NULL, *s = "", *profile, *bus;
3598 if (pa_proplist_contains(p, PA_PROP_DEVICE_ICON_NAME))
3601 if ((ff = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
3603 if (pa_streq(ff, "microphone"))
3604 t = "audio-input-microphone";
3605 else if (pa_streq(ff, "webcam"))
3607 else if (pa_streq(ff, "computer"))
3609 else if (pa_streq(ff, "handset"))
3611 else if (pa_streq(ff, "portable"))
3612 t = "multimedia-player";
3613 else if (pa_streq(ff, "tv"))
3614 t = "video-display";
3617 * The following icons are not part of the icon naming spec,
3618 * because Rodney Dawes sucks as the maintainer of that spec.
3620 * http://lists.freedesktop.org/archives/xdg/2009-May/010397.html
3622 else if (pa_streq(ff, "headset"))
3623 t = "audio-headset";
3624 else if (pa_streq(ff, "headphone"))
3625 t = "audio-headphones";
3626 else if (pa_streq(ff, "speaker"))
3627 t = "audio-speakers";
3628 else if (pa_streq(ff, "hands-free"))
3629 t = "audio-handsfree";
3633 if ((c = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
3634 if (pa_streq(c, "modem"))
3641 t = "audio-input-microphone";
3644 if ((profile = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
3645 if (strstr(profile, "analog"))
3647 else if (strstr(profile, "iec958"))
3649 else if (strstr(profile, "hdmi"))
3653 bus = pa_proplist_gets(p, PA_PROP_DEVICE_BUS);
3655 pa_proplist_setf(p, PA_PROP_DEVICE_ICON_NAME, "%s%s%s%s", t, pa_strempty(s), bus ? "-" : "", pa_strempty(bus));
3660 bool pa_device_init_description(pa_proplist *p, pa_card *card) {
3661 const char *s, *d = NULL, *k;
3664 if (pa_proplist_contains(p, PA_PROP_DEVICE_DESCRIPTION))
3668 if ((s = pa_proplist_gets(card->proplist, PA_PROP_DEVICE_DESCRIPTION)))
3672 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
3673 if (pa_streq(s, "internal"))
3674 d = _("Built-in Audio");
3677 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
3678 if (pa_streq(s, "modem"))
3682 d = pa_proplist_gets(p, PA_PROP_DEVICE_PRODUCT_NAME);
3687 k = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_DESCRIPTION);
3690 pa_proplist_setf(p, PA_PROP_DEVICE_DESCRIPTION, "%s %s", d, k);
3692 pa_proplist_sets(p, PA_PROP_DEVICE_DESCRIPTION, d);
3697 bool pa_device_init_intended_roles(pa_proplist *p) {
3701 if (pa_proplist_contains(p, PA_PROP_DEVICE_INTENDED_ROLES))
3704 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
3705 if (pa_streq(s, "handset") || pa_streq(s, "hands-free")
3706 || pa_streq(s, "headset")) {
3707 pa_proplist_sets(p, PA_PROP_DEVICE_INTENDED_ROLES, "phone");
3714 unsigned pa_device_init_priority(pa_proplist *p) {
3716 unsigned priority = 0;
3720 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS))) {
3722 if (pa_streq(s, "sound"))
3724 else if (!pa_streq(s, "modem"))
3728 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
3730 if (pa_streq(s, "headphone"))
3732 else if (pa_streq(s, "hifi"))
3734 else if (pa_streq(s, "speaker"))
3736 else if (pa_streq(s, "portable"))
3740 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_BUS))) {
3742 if (pa_streq(s, "bluetooth"))
3744 else if (pa_streq(s, "usb"))
3746 else if (pa_streq(s, "pci"))
3750 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
3752 if (pa_startswith(s, "analog-"))
3754 else if (pa_startswith(s, "iec958-"))
3761 PA_STATIC_FLIST_DECLARE(pa_sink_volume_change, 0, pa_xfree);
3763 /* Called from the IO thread. */
3764 static pa_sink_volume_change *pa_sink_volume_change_new(pa_sink *s) {
3765 pa_sink_volume_change *c;
3766 if (!(c = pa_flist_pop(PA_STATIC_FLIST_GET(pa_sink_volume_change))))
3767 c = pa_xnew(pa_sink_volume_change, 1);
3769 PA_LLIST_INIT(pa_sink_volume_change, c);
3771 pa_cvolume_reset(&c->hw_volume, s->sample_spec.channels);
3775 /* Called from the IO thread. */
3776 static void pa_sink_volume_change_free(pa_sink_volume_change *c) {
3778 if (pa_flist_push(PA_STATIC_FLIST_GET(pa_sink_volume_change), c) < 0)
3782 /* Called from the IO thread. */
3783 void pa_sink_volume_change_push(pa_sink *s) {
3784 pa_sink_volume_change *c = NULL;
3785 pa_sink_volume_change *nc = NULL;
3786 pa_sink_volume_change *pc = NULL;
3787 uint32_t safety_margin = s->thread_info.volume_change_safety_margin;
3789 const char *direction = NULL;
3792 nc = pa_sink_volume_change_new(s);
3794 /* NOTE: There is already more different volumes in pa_sink that I can remember.
3795 * Adding one more volume for HW would get us rid of this, but I am trying
3796 * to survive with the ones we already have. */
3797 pa_sw_cvolume_divide(&nc->hw_volume, &s->real_volume, &s->soft_volume);
3799 if (!s->thread_info.volume_changes && pa_cvolume_equal(&nc->hw_volume, &s->thread_info.current_hw_volume)) {
3800 pa_log_debug("Volume not changing");
3801 pa_sink_volume_change_free(nc);
3805 nc->at = pa_sink_get_latency_within_thread(s, false);
3806 nc->at += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
3808 if (s->thread_info.volume_changes_tail) {
3809 for (c = s->thread_info.volume_changes_tail; c; c = c->prev) {
3810 /* If volume is going up let's do it a bit late. If it is going
3811 * down let's do it a bit early. */
3812 if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&c->hw_volume)) {
3813 if (nc->at + safety_margin > c->at) {
3814 nc->at += safety_margin;
3819 else if (nc->at - safety_margin > c->at) {
3820 nc->at -= safety_margin;
3828 if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&s->thread_info.current_hw_volume)) {
3829 nc->at += safety_margin;
3832 nc->at -= safety_margin;
3835 PA_LLIST_PREPEND(pa_sink_volume_change, s->thread_info.volume_changes, nc);
3838 PA_LLIST_INSERT_AFTER(pa_sink_volume_change, s->thread_info.volume_changes, c, nc);
3841 pa_log_debug("Volume going %s to %d at %llu", direction, pa_cvolume_avg(&nc->hw_volume), (long long unsigned) nc->at);
3843 /* We can ignore volume events that came earlier but should happen later than this. */
3844 PA_LLIST_FOREACH_SAFE(c, pc, nc->next) {
3845 pa_log_debug("Volume change to %d at %llu was dropped", pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at);
3846 pa_sink_volume_change_free(c);
3849 s->thread_info.volume_changes_tail = nc;
3852 /* Called from the IO thread. */
3853 static void pa_sink_volume_change_flush(pa_sink *s) {
3854 pa_sink_volume_change *c = s->thread_info.volume_changes;
3856 s->thread_info.volume_changes = NULL;
3857 s->thread_info.volume_changes_tail = NULL;
3859 pa_sink_volume_change *next = c->next;
3860 pa_sink_volume_change_free(c);
3865 /* Called from the IO thread. */
3866 bool pa_sink_volume_change_apply(pa_sink *s, pa_usec_t *usec_to_next) {
3872 if (!s->thread_info.volume_changes || !PA_SINK_IS_LINKED(s->state)) {
3878 pa_assert(s->write_volume);
3880 now = pa_rtclock_now();
3882 while (s->thread_info.volume_changes && now >= s->thread_info.volume_changes->at) {
3883 pa_sink_volume_change *c = s->thread_info.volume_changes;
3884 PA_LLIST_REMOVE(pa_sink_volume_change, s->thread_info.volume_changes, c);
3885 pa_log_debug("Volume change to %d at %llu was written %llu usec late",
3886 pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at, (long long unsigned) (now - c->at));
3888 s->thread_info.current_hw_volume = c->hw_volume;
3889 pa_sink_volume_change_free(c);
3895 if (s->thread_info.volume_changes) {
3897 *usec_to_next = s->thread_info.volume_changes->at - now;
3898 if (pa_log_ratelimit(PA_LOG_DEBUG))
3899 pa_log_debug("Next volume change in %lld usec", (long long) (s->thread_info.volume_changes->at - now));
3904 s->thread_info.volume_changes_tail = NULL;
3909 /* Called from the IO thread. */
3910 static void pa_sink_volume_change_rewind(pa_sink *s, size_t nbytes) {
3911 /* All the queued volume events later than current latency are shifted to happen earlier. */
3912 pa_sink_volume_change *c;
3913 pa_volume_t prev_vol = pa_cvolume_avg(&s->thread_info.current_hw_volume);
3914 pa_usec_t rewound = pa_bytes_to_usec(nbytes, &s->sample_spec);
3915 pa_usec_t limit = pa_sink_get_latency_within_thread(s, false);
3917 pa_log_debug("latency = %lld", (long long) limit);
3918 limit += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
3920 PA_LLIST_FOREACH(c, s->thread_info.volume_changes) {
3921 pa_usec_t modified_limit = limit;
3922 if (prev_vol > pa_cvolume_avg(&c->hw_volume))
3923 modified_limit -= s->thread_info.volume_change_safety_margin;
3925 modified_limit += s->thread_info.volume_change_safety_margin;
3926 if (c->at > modified_limit) {
3928 if (c->at < modified_limit)
3929 c->at = modified_limit;
3931 prev_vol = pa_cvolume_avg(&c->hw_volume);
3933 pa_sink_volume_change_apply(s, NULL);
3936 /* Called from the main thread */
3937 /* Gets the list of formats supported by the sink. The members and idxset must
3938 * be freed by the caller. */
3939 pa_idxset* pa_sink_get_formats(pa_sink *s) {
3944 if (s->get_formats) {
3945 /* Sink supports format query, all is good */
3946 ret = s->get_formats(s);
3948 /* Sink doesn't support format query, so assume it does PCM */
3949 pa_format_info *f = pa_format_info_new();
3950 f->encoding = PA_ENCODING_PCM;
3952 ret = pa_idxset_new(NULL, NULL);
3953 pa_idxset_put(ret, f, NULL);
3959 /* Called from the main thread */
3960 /* Allows an external source to set what formats a sink supports if the sink
3961 * permits this. The function makes a copy of the formats on success. */
3962 bool pa_sink_set_formats(pa_sink *s, pa_idxset *formats) {
3967 /* Sink supports setting formats -- let's give it a shot */
3968 return s->set_formats(s, formats);
3970 /* Sink doesn't support setting this -- bail out */
3974 /* Called from the main thread */
3975 /* Checks if the sink can accept this format */
3976 bool pa_sink_check_format(pa_sink *s, pa_format_info *f) {
3977 pa_idxset *formats = NULL;
3983 formats = pa_sink_get_formats(s);
3986 pa_format_info *finfo_device;
3989 PA_IDXSET_FOREACH(finfo_device, formats, i) {
3990 if (pa_format_info_is_compatible(finfo_device, f)) {
3996 pa_idxset_free(formats, (pa_free_cb_t) pa_format_info_free);
4002 /* Called from the main thread */
4003 /* Calculates the intersection between formats supported by the sink and
4004 * in_formats, and returns these, in the order of the sink's formats. */
4005 pa_idxset* pa_sink_check_formats(pa_sink *s, pa_idxset *in_formats) {
4006 pa_idxset *out_formats = pa_idxset_new(NULL, NULL), *sink_formats = NULL;
4007 pa_format_info *f_sink, *f_in;
4012 if (!in_formats || pa_idxset_isempty(in_formats))
4015 sink_formats = pa_sink_get_formats(s);
4017 PA_IDXSET_FOREACH(f_sink, sink_formats, i) {
4018 PA_IDXSET_FOREACH(f_in, in_formats, j) {
4019 if (pa_format_info_is_compatible(f_sink, f_in))
4020 pa_idxset_put(out_formats, pa_format_info_copy(f_in), NULL);
4026 pa_idxset_free(sink_formats, (pa_free_cb_t) pa_format_info_free);
4031 /* Called from the main thread. */
4032 void pa_sink_set_reference_volume_direct(pa_sink *s, const pa_cvolume *volume) {
4033 pa_cvolume old_volume;
4034 char old_volume_str[PA_CVOLUME_SNPRINT_VERBOSE_MAX];
4035 char new_volume_str[PA_CVOLUME_SNPRINT_VERBOSE_MAX];
4040 old_volume = s->reference_volume;
4042 if (pa_cvolume_equal(volume, &old_volume))
4045 s->reference_volume = *volume;
4046 pa_log_debug("The reference volume of sink %s changed from %s to %s.", s->name,
4047 pa_cvolume_snprint_verbose(old_volume_str, sizeof(old_volume_str), &old_volume, &s->channel_map,
4048 s->flags & PA_SINK_DECIBEL_VOLUME),
4049 pa_cvolume_snprint_verbose(new_volume_str, sizeof(new_volume_str), volume, &s->channel_map,
4050 s->flags & PA_SINK_DECIBEL_VOLUME));
4052 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
4053 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_VOLUME_CHANGED], s);