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alsa-sink: Some trivial tidyups
[pulseaudio-mirror.git] / src / pulsecore / sink.c
blobed38013db578633c9f8284eab2967353c56ea904
1 /***
2 This file is part of PulseAudio.
3
4 Copyright 2004-2006 Lennart Poettering
5 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
6
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.
11
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.
16
17 You should have received a copy of the GNU Lesser General Public License
18 along with PulseAudio; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 USA.
21 ***/
22
23 #ifdef HAVE_CONFIG_H
24 #include <config.h>
25 #endif
26
27 #include <stdlib.h>
28 #include <string.h>
29 #include <stdio.h>
30
31 #include <pulse/introspect.h>
32 #include <pulse/utf8.h>
33 #include <pulse/xmalloc.h>
34 #include <pulse/timeval.h>
35 #include <pulse/util.h>
36 #include <pulse/i18n.h>
37 #include <pulse/rtclock.h>
38 #include <pulse/internal.h>
39
40 #include <pulsecore/sink-input.h>
41 #include <pulsecore/namereg.h>
42 #include <pulsecore/core-util.h>
43 #include <pulsecore/sample-util.h>
44 #include <pulsecore/core-subscribe.h>
45 #include <pulsecore/log.h>
46 #include <pulsecore/macro.h>
47 #include <pulsecore/play-memblockq.h>
48 #include <pulsecore/flist.h>
49
50 #include "sink.h"
51
52 #define MAX_MIX_CHANNELS 32
53 #define MIX_BUFFER_LENGTH (PA_PAGE_SIZE)
54 #define ABSOLUTE_MIN_LATENCY (500)
55 #define ABSOLUTE_MAX_LATENCY (10*PA_USEC_PER_SEC)
56 #define DEFAULT_FIXED_LATENCY (250*PA_USEC_PER_MSEC)
57
58 PA_DEFINE_PUBLIC_CLASS(pa_sink, pa_msgobject);
59
60 struct pa_sink_volume_change {
61 pa_usec_t at;
62 pa_cvolume hw_volume;
63
64 PA_LLIST_FIELDS(pa_sink_volume_change);
65 };
66
67 struct sink_message_set_port {
68 pa_device_port *port;
69 int ret;
70 };
71
72 static void sink_free(pa_object *s);
73
74 static void pa_sink_volume_change_push(pa_sink *s);
75 static void pa_sink_volume_change_flush(pa_sink *s);
76 static void pa_sink_volume_change_rewind(pa_sink *s, size_t nbytes);
77
78 pa_sink_new_data* pa_sink_new_data_init(pa_sink_new_data *data) {
79 pa_assert(data);
80
81 pa_zero(*data);
82 data->proplist = pa_proplist_new();
83
84 return data;
85 }
86
87 void pa_sink_new_data_set_name(pa_sink_new_data *data, const char *name) {
88 pa_assert(data);
89
90 pa_xfree(data->name);
91 data->name = pa_xstrdup(name);
92 }
93
94 void pa_sink_new_data_set_sample_spec(pa_sink_new_data *data, const pa_sample_spec *spec) {
95 pa_assert(data);
96
97 if ((data->sample_spec_is_set = !!spec))
98 data->sample_spec = *spec;
99 }
100
101 void pa_sink_new_data_set_channel_map(pa_sink_new_data *data, const pa_channel_map *map) {
102 pa_assert(data);
103
104 if ((data->channel_map_is_set = !!map))
105 data->channel_map = *map;
106 }
107
108 void pa_sink_new_data_set_volume(pa_sink_new_data *data, const pa_cvolume *volume) {
109 pa_assert(data);
110
111 if ((data->volume_is_set = !!volume))
112 data->volume = *volume;
113 }
114
115 void pa_sink_new_data_set_muted(pa_sink_new_data *data, pa_bool_t mute) {
116 pa_assert(data);
117
118 data->muted_is_set = TRUE;
119 data->muted = !!mute;
120 }
121
122 void pa_sink_new_data_set_port(pa_sink_new_data *data, const char *port) {
123 pa_assert(data);
124
125 pa_xfree(data->active_port);
126 data->active_port = pa_xstrdup(port);
127 }
128
129 void pa_sink_new_data_done(pa_sink_new_data *data) {
130 pa_assert(data);
131
132 pa_proplist_free(data->proplist);
133
134 if (data->ports) {
135 pa_device_port *p;
136
137 while ((p = pa_hashmap_steal_first(data->ports)))
138 pa_device_port_free(p);
139
140 pa_hashmap_free(data->ports, NULL, NULL);
141 }
142
143 pa_xfree(data->name);
144 pa_xfree(data->active_port);
145 }
146
147 pa_device_port *pa_device_port_new(const char *name, const char *description, size_t extra) {
148 pa_device_port *p;
149
150 pa_assert(name);
151
152 p = pa_xmalloc(PA_ALIGN(sizeof(pa_device_port)) + extra);
153 p->name = pa_xstrdup(name);
154 p->description = pa_xstrdup(description);
155
156 p->priority = 0;
157
158 return p;
159 }
160
161 void pa_device_port_free(pa_device_port *p) {
162 pa_assert(p);
163
164 pa_xfree(p->name);
165 pa_xfree(p->description);
166 pa_xfree(p);
167 }
168
169 /* Called from main context */
170 static void reset_callbacks(pa_sink *s) {
171 pa_assert(s);
172
173 s->set_state = NULL;
174 s->get_volume = NULL;
175 s->set_volume = NULL;
176 s->get_mute = NULL;
177 s->set_mute = NULL;
178 s->request_rewind = NULL;
179 s->update_requested_latency = NULL;
180 s->set_port = NULL;
181 s->get_formats = NULL;
182 }
183
184 /* Called from main context */
185 pa_sink* pa_sink_new(
186 pa_core *core,
187 pa_sink_new_data *data,
188 pa_sink_flags_t flags) {
189
190 pa_sink *s;
191 const char *name;
192 char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
193 pa_source_new_data source_data;
194 const char *dn;
195 char *pt;
196
197 pa_assert(core);
198 pa_assert(data);
199 pa_assert(data->name);
200 pa_assert_ctl_context();
201
202 s = pa_msgobject_new(pa_sink);
203
204 if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SINK, s, data->namereg_fail))) {
205 pa_log_debug("Failed to register name %s.", data->name);
206 pa_xfree(s);
207 return NULL;
208 }
209
210 pa_sink_new_data_set_name(data, name);
211
212 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_NEW], data) < 0) {
213 pa_xfree(s);
214 pa_namereg_unregister(core, name);
215 return NULL;
216 }
217
218 /* FIXME, need to free s here on failure */
219
220 pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver));
221 pa_return_null_if_fail(data->name && pa_utf8_valid(data->name) && data->name[0]);
222
223 pa_return_null_if_fail(data->sample_spec_is_set && pa_sample_spec_valid(&data->sample_spec));
224
225 if (!data->channel_map_is_set)
226 pa_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT));
227
228 pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map));
229 pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels);
230
231 /* FIXME: There should probably be a general function for checking whether
232 * the sink volume is allowed to be set, like there is for sink inputs. */
233 pa_assert(!data->volume_is_set || !(flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
234
235 if (!data->volume_is_set) {
236 pa_cvolume_reset(&data->volume, data->sample_spec.channels);
237 data->save_volume = FALSE;
238 }
239
240 pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
241 pa_return_null_if_fail(pa_cvolume_compatible(&data->volume, &data->sample_spec));
242
243 if (!data->muted_is_set)
244 data->muted = FALSE;
245
246 if (data->card)
247 pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->card->proplist);
248
249 pa_device_init_description(data->proplist);
250 pa_device_init_icon(data->proplist, TRUE);
251 pa_device_init_intended_roles(data->proplist);
252
253 if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_FIXATE], data) < 0) {
254 pa_xfree(s);
255 pa_namereg_unregister(core, name);
256 return NULL;
257 }
258
259 s->parent.parent.free = sink_free;
260 s->parent.process_msg = pa_sink_process_msg;
261
262 s->core = core;
263 s->state = PA_SINK_INIT;
264 s->flags = flags;
265 s->priority = 0;
266 s->suspend_cause = 0;
267 s->name = pa_xstrdup(name);
268 s->proplist = pa_proplist_copy(data->proplist);
269 s->driver = pa_xstrdup(pa_path_get_filename(data->driver));
270 s->module = data->module;
271 s->card = data->card;
272
273 s->priority = pa_device_init_priority(s->proplist);
274
275 s->sample_spec = data->sample_spec;
276 s->channel_map = data->channel_map;
277
278 s->inputs = pa_idxset_new(NULL, NULL);
279 s->n_corked = 0;
280 s->input_to_master = NULL;
281
282 s->reference_volume = s->real_volume = data->volume;
283 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
284 s->base_volume = PA_VOLUME_NORM;
285 s->n_volume_steps = PA_VOLUME_NORM+1;
286 s->muted = data->muted;
287 s->refresh_volume = s->refresh_muted = FALSE;
288
289 reset_callbacks(s);
290 s->userdata = NULL;
291
292 s->asyncmsgq = NULL;
293
294 /* As a minor optimization we just steal the list instead of
295 * copying it here */
296 s->ports = data->ports;
297 data->ports = NULL;
298
299 s->active_port = NULL;
300 s->save_port = FALSE;
301
302 if (data->active_port && s->ports)
303 if ((s->active_port = pa_hashmap_get(s->ports, data->active_port)))
304 s->save_port = data->save_port;
305
306 if (!s->active_port && s->ports) {
307 void *state;
308 pa_device_port *p;
309
310 PA_HASHMAP_FOREACH(p, s->ports, state)
311 if (!s->active_port || p->priority > s->active_port->priority)
312 s->active_port = p;
313 }
314
315 s->save_volume = data->save_volume;
316 s->save_muted = data->save_muted;
317
318 pa_silence_memchunk_get(
319 &core->silence_cache,
320 core->mempool,
321 &s->silence,
322 &s->sample_spec,
323 0);
324
325 s->thread_info.rtpoll = NULL;
326 s->thread_info.inputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
327 s->thread_info.soft_volume = s->soft_volume;
328 s->thread_info.soft_muted = s->muted;
329 s->thread_info.state = s->state;
330 s->thread_info.rewind_nbytes = 0;
331 s->thread_info.rewind_requested = FALSE;
332 s->thread_info.max_rewind = 0;
333 s->thread_info.max_request = 0;
334 s->thread_info.requested_latency_valid = FALSE;
335 s->thread_info.requested_latency = 0;
336 s->thread_info.min_latency = ABSOLUTE_MIN_LATENCY;
337 s->thread_info.max_latency = ABSOLUTE_MAX_LATENCY;
338 s->thread_info.fixed_latency = flags & PA_SINK_DYNAMIC_LATENCY ? 0 : DEFAULT_FIXED_LATENCY;
339
340 PA_LLIST_HEAD_INIT(pa_sink_volume_change, s->thread_info.volume_changes);
341 s->thread_info.volume_changes_tail = NULL;
342 pa_sw_cvolume_multiply(&s->thread_info.current_hw_volume, &s->soft_volume, &s->real_volume);
343 s->thread_info.volume_change_safety_margin = core->sync_volume_safety_margin_usec;
344 s->thread_info.volume_change_extra_delay = core->sync_volume_extra_delay_usec;
345
346 /* FIXME: This should probably be moved to pa_sink_put() */
347 pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0);
348
349 if (s->card)
350 pa_assert_se(pa_idxset_put(s->card->sinks, s, NULL) >= 0);
351
352 pt = pa_proplist_to_string_sep(s->proplist, "\n ");
353 pa_log_info("Created sink %u \"%s\" with sample spec %s and channel map %s\n %s",
354 s->index,
355 s->name,
356 pa_sample_spec_snprint(st, sizeof(st), &s->sample_spec),
357 pa_channel_map_snprint(cm, sizeof(cm), &s->channel_map),
358 pt);
359 pa_xfree(pt);
360
361 pa_source_new_data_init(&source_data);
362 pa_source_new_data_set_sample_spec(&source_data, &s->sample_spec);
363 pa_source_new_data_set_channel_map(&source_data, &s->channel_map);
364 source_data.name = pa_sprintf_malloc("%s.monitor", name);
365 source_data.driver = data->driver;
366 source_data.module = data->module;
367 source_data.card = data->card;
368
369 dn = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
370 pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Monitor of %s", dn ? dn : s->name);
371 pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "monitor");
372
373 s->monitor_source = pa_source_new(core, &source_data,
374 ((flags & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
375 ((flags & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0));
376
377 pa_source_new_data_done(&source_data);
378
379 if (!s->monitor_source) {
380 pa_sink_unlink(s);
381 pa_sink_unref(s);
382 return NULL;
383 }
384
385 s->monitor_source->monitor_of = s;
386
387 pa_source_set_latency_range(s->monitor_source, s->thread_info.min_latency, s->thread_info.max_latency);
388 pa_source_set_fixed_latency(s->monitor_source, s->thread_info.fixed_latency);
389 pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
390
391 return s;
392 }
393
394 /* Called from main context */
395 static int sink_set_state(pa_sink *s, pa_sink_state_t state) {
396 int ret;
397 pa_bool_t suspend_change;
398 pa_sink_state_t original_state;
399
400 pa_assert(s);
401 pa_assert_ctl_context();
402
403 if (s->state == state)
404 return 0;
405
406 original_state = s->state;
407
408 suspend_change =
409 (original_state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(state)) ||
410 (PA_SINK_IS_OPENED(original_state) && state == PA_SINK_SUSPENDED);
411
412 if (s->set_state)
413 if ((ret = s->set_state(s, state)) < 0)
414 return ret;
415
416 if (s->asyncmsgq)
417 if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
418
419 if (s->set_state)
420 s->set_state(s, original_state);
421
422 return ret;
423 }
424
425 s->state = state;
426
427 if (state != PA_SINK_UNLINKED) { /* if we enter UNLINKED state pa_sink_unlink() will fire the apropriate events */
428 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], s);
429 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
430 }
431
432 if (suspend_change) {
433 pa_sink_input *i;
434 uint32_t idx;
435
436 /* We're suspending or resuming, tell everyone about it */
437
438 PA_IDXSET_FOREACH(i, s->inputs, idx)
439 if (s->state == PA_SINK_SUSPENDED &&
440 (i->flags & PA_SINK_INPUT_KILL_ON_SUSPEND))
441 pa_sink_input_kill(i);
442 else if (i->suspend)
443 i->suspend(i, state == PA_SINK_SUSPENDED);
444
445 if (s->monitor_source)
446 pa_source_sync_suspend(s->monitor_source);
447 }
448
449 return 0;
450 }
451
452 /* Called from main context */
453 void pa_sink_put(pa_sink* s) {
454 pa_sink_assert_ref(s);
455 pa_assert_ctl_context();
456
457 pa_assert(s->state == PA_SINK_INIT);
458 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || s->input_to_master);
459
460 /* The following fields must be initialized properly when calling _put() */
461 pa_assert(s->asyncmsgq);
462 pa_assert(s->thread_info.min_latency <= s->thread_info.max_latency);
463
464 /* Generally, flags should be initialized via pa_sink_new(). As a
465 * special exception we allow volume related flags to be set
466 * between _new() and _put(). */
467
468 /* XXX: Currently decibel volume is disabled for all sinks that use volume
469 * sharing. When the master sink supports decibel volume, it would be good
470 * to have the flag also in the filter sink, but currently we don't do that
471 * so that the flags of the filter sink never change when it's moved from
472 * a master sink to another. One solution for this problem would be to
473 * remove user-visible volume altogether from filter sinks when volume
474 * sharing is used, but the current approach was easier to implement... */
475 if (!(s->flags & PA_SINK_HW_VOLUME_CTRL) && !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
476 s->flags |= PA_SINK_DECIBEL_VOLUME;
477
478 if ((s->flags & PA_SINK_DECIBEL_VOLUME) && s->core->flat_volumes)
479 s->flags |= PA_SINK_FLAT_VOLUME;
480
481 if (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) {
482 pa_sink *root_sink = s->input_to_master->sink;
483
484 while (root_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
485 root_sink = root_sink->input_to_master->sink;
486
487 s->reference_volume = root_sink->reference_volume;
488 pa_cvolume_remap(&s->reference_volume, &root_sink->channel_map, &s->channel_map);
489
490 s->real_volume = root_sink->real_volume;
491 pa_cvolume_remap(&s->real_volume, &root_sink->channel_map, &s->channel_map);
492 } else
493 /* We assume that if the sink implementor changed the default
494 * volume he did so in real_volume, because that is the usual
495 * place where he is supposed to place his changes. */
496 s->reference_volume = s->real_volume;
497
498 s->thread_info.soft_volume = s->soft_volume;
499 s->thread_info.soft_muted = s->muted;
500 pa_sw_cvolume_multiply(&s->thread_info.current_hw_volume, &s->soft_volume, &s->real_volume);
501
502 pa_assert((s->flags & PA_SINK_HW_VOLUME_CTRL)
503 || (s->base_volume == PA_VOLUME_NORM
504 && ((s->flags & PA_SINK_DECIBEL_VOLUME || (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)))));
505 pa_assert(!(s->flags & PA_SINK_DECIBEL_VOLUME) || s->n_volume_steps == PA_VOLUME_NORM+1);
506 pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == (s->thread_info.fixed_latency != 0));
507 pa_assert(!(s->flags & PA_SINK_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_LATENCY));
508 pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_DYNAMIC_LATENCY));
509 pa_assert(!(s->flags & PA_SINK_HW_VOLUME_CTRL) || s->set_volume);
510 pa_assert(!(s->flags & PA_SINK_SYNC_VOLUME) || (s->flags & PA_SINK_HW_VOLUME_CTRL));
511 pa_assert(!(s->flags & PA_SINK_SYNC_VOLUME) || s->write_volume);
512 pa_assert(!(s->flags & PA_SINK_HW_MUTE_CTRL) || s->set_mute);
513
514 pa_assert(s->monitor_source->thread_info.fixed_latency == s->thread_info.fixed_latency);
515 pa_assert(s->monitor_source->thread_info.min_latency == s->thread_info.min_latency);
516 pa_assert(s->monitor_source->thread_info.max_latency == s->thread_info.max_latency);
517
518 pa_assert_se(sink_set_state(s, PA_SINK_IDLE) == 0);
519
520 pa_source_put(s->monitor_source);
521
522 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index);
523 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PUT], s);
524 }
525
526 /* Called from main context */
527 void pa_sink_unlink(pa_sink* s) {
528 pa_bool_t linked;
529 pa_sink_input *i, *j = NULL;
530
531 pa_assert(s);
532 pa_assert_ctl_context();
533
534 /* Please note that pa_sink_unlink() does more than simply
535 * reversing pa_sink_put(). It also undoes the registrations
536 * already done in pa_sink_new()! */
537
538 /* All operations here shall be idempotent, i.e. pa_sink_unlink()
539 * may be called multiple times on the same sink without bad
540 * effects. */
541
542 linked = PA_SINK_IS_LINKED(s->state);
543
544 if (linked)
545 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK], s);
546
547 if (s->state != PA_SINK_UNLINKED)
548 pa_namereg_unregister(s->core, s->name);
549 pa_idxset_remove_by_data(s->core->sinks, s, NULL);
550
551 if (s->card)
552 pa_idxset_remove_by_data(s->card->sinks, s, NULL);
553
554 while ((i = pa_idxset_first(s->inputs, NULL))) {
555 pa_assert(i != j);
556 pa_sink_input_kill(i);
557 j = i;
558 }
559
560 if (linked)
561 sink_set_state(s, PA_SINK_UNLINKED);
562 else
563 s->state = PA_SINK_UNLINKED;
564
565 reset_callbacks(s);
566
567 if (s->monitor_source)
568 pa_source_unlink(s->monitor_source);
569
570 if (linked) {
571 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
572 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], s);
573 }
574 }
575
576 /* Called from main context */
577 static void sink_free(pa_object *o) {
578 pa_sink *s = PA_SINK(o);
579 pa_sink_input *i;
580
581 pa_assert(s);
582 pa_assert_ctl_context();
583 pa_assert(pa_sink_refcnt(s) == 0);
584
585 if (PA_SINK_IS_LINKED(s->state))
586 pa_sink_unlink(s);
587
588 pa_log_info("Freeing sink %u \"%s\"", s->index, s->name);
589
590 if (s->monitor_source) {
591 pa_source_unref(s->monitor_source);
592 s->monitor_source = NULL;
593 }
594
595 pa_idxset_free(s->inputs, NULL, NULL);
596
597 while ((i = pa_hashmap_steal_first(s->thread_info.inputs)))
598 pa_sink_input_unref(i);
599
600 pa_hashmap_free(s->thread_info.inputs, NULL, NULL);
601
602 if (s->silence.memblock)
603 pa_memblock_unref(s->silence.memblock);
604
605 pa_xfree(s->name);
606 pa_xfree(s->driver);
607
608 if (s->proplist)
609 pa_proplist_free(s->proplist);
610
611 if (s->ports) {
612 pa_device_port *p;
613
614 while ((p = pa_hashmap_steal_first(s->ports)))
615 pa_device_port_free(p);
616
617 pa_hashmap_free(s->ports, NULL, NULL);
618 }
619
620 pa_xfree(s);
621 }
622
623 /* Called from main context, and not while the IO thread is active, please */
624 void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) {
625 pa_sink_assert_ref(s);
626 pa_assert_ctl_context();
627
628 s->asyncmsgq = q;
629
630 if (s->monitor_source)
631 pa_source_set_asyncmsgq(s->monitor_source, q);
632 }
633
634 /* Called from main context, and not while the IO thread is active, please */
635 void pa_sink_update_flags(pa_sink *s, pa_sink_flags_t mask, pa_sink_flags_t value) {
636 pa_sink_assert_ref(s);
637 pa_assert_ctl_context();
638
639 if (mask == 0)
640 return;
641
642 /* For now, allow only a minimal set of flags to be changed. */
643 pa_assert((mask & ~(PA_SINK_DYNAMIC_LATENCY|PA_SINK_LATENCY)) == 0);
644
645 s->flags = (s->flags & ~mask) | (value & mask);
646
647 pa_source_update_flags(s->monitor_source,
648 ((mask & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
649 ((mask & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0),
650 ((value & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
651 ((value & PA_SINK_DYNAMIC_LATENCY) ? PA_SINK_DYNAMIC_LATENCY : 0));
652 }
653
654 /* Called from IO context, or before _put() from main context */
655 void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) {
656 pa_sink_assert_ref(s);
657 pa_sink_assert_io_context(s);
658
659 s->thread_info.rtpoll = p;
660
661 if (s->monitor_source)
662 pa_source_set_rtpoll(s->monitor_source, p);
663 }
664
665 /* Called from main context */
666 int pa_sink_update_status(pa_sink*s) {
667 pa_sink_assert_ref(s);
668 pa_assert_ctl_context();
669 pa_assert(PA_SINK_IS_LINKED(s->state));
670
671 if (s->state == PA_SINK_SUSPENDED)
672 return 0;
673
674 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
675 }
676
677 /* Called from main context */
678 int pa_sink_suspend(pa_sink *s, pa_bool_t suspend, pa_suspend_cause_t cause) {
679 pa_sink_assert_ref(s);
680 pa_assert_ctl_context();
681 pa_assert(PA_SINK_IS_LINKED(s->state));
682 pa_assert(cause != 0);
683
684 if (suspend) {
685 s->suspend_cause |= cause;
686 s->monitor_source->suspend_cause |= cause;
687 } else {
688 s->suspend_cause &= ~cause;
689 s->monitor_source->suspend_cause &= ~cause;
690 }
691
692 if ((pa_sink_get_state(s) == PA_SINK_SUSPENDED) == !!s->suspend_cause)
693 return 0;
694
695 pa_log_debug("Suspend cause of sink %s is 0x%04x, %s", s->name, s->suspend_cause, s->suspend_cause ? "suspending" : "resuming");
696
697 if (s->suspend_cause)
698 return sink_set_state(s, PA_SINK_SUSPENDED);
699 else
700 return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
701 }
702
703 /* Called from main context */
704 pa_queue *pa_sink_move_all_start(pa_sink *s, pa_queue *q) {
705 pa_sink_input *i, *n;
706 uint32_t idx;
707
708 pa_sink_assert_ref(s);
709 pa_assert_ctl_context();
710 pa_assert(PA_SINK_IS_LINKED(s->state));
711
712 if (!q)
713 q = pa_queue_new();
714
715 for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = n) {
716 n = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx));
717
718 pa_sink_input_ref(i);
719
720 if (pa_sink_input_start_move(i) >= 0)
721 pa_queue_push(q, i);
722 else
723 pa_sink_input_unref(i);
724 }
725
726 return q;
727 }
728
729 /* Called from main context */
730 void pa_sink_move_all_finish(pa_sink *s, pa_queue *q, pa_bool_t save) {
731 pa_sink_input *i;
732
733 pa_sink_assert_ref(s);
734 pa_assert_ctl_context();
735 pa_assert(PA_SINK_IS_LINKED(s->state));
736 pa_assert(q);
737
738 while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
739 if (pa_sink_input_finish_move(i, s, save) < 0)
740 pa_sink_input_fail_move(i);
741
742 pa_sink_input_unref(i);
743 }
744
745 pa_queue_free(q, NULL, NULL);
746 }
747
748 /* Called from main context */
749 void pa_sink_move_all_fail(pa_queue *q) {
750 pa_sink_input *i;
751
752 pa_assert_ctl_context();
753 pa_assert(q);
754
755 while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
756 pa_sink_input_fail_move(i);
757 pa_sink_input_unref(i);
758 }
759
760 pa_queue_free(q, NULL, NULL);
761 }
762
763 /* Called from IO thread context */
764 void pa_sink_process_rewind(pa_sink *s, size_t nbytes) {
765 pa_sink_input *i;
766 void *state = NULL;
767
768 pa_sink_assert_ref(s);
769 pa_sink_assert_io_context(s);
770 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
771
772 /* If nobody requested this and this is actually no real rewind
773 * then we can short cut this. Please note that this means that
774 * not all rewind requests triggered upstream will always be
775 * translated in actual requests! */
776 if (!s->thread_info.rewind_requested && nbytes <= 0)
777 return;
778
779 s->thread_info.rewind_nbytes = 0;
780 s->thread_info.rewind_requested = FALSE;
781
782 if (s->thread_info.state == PA_SINK_SUSPENDED)
783 return;
784
785 if (nbytes > 0) {
786 pa_log_debug("Processing rewind...");
787 if (s->flags & PA_SINK_SYNC_VOLUME)
788 pa_sink_volume_change_rewind(s, nbytes);
789 }
790
791 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
792 pa_sink_input_assert_ref(i);
793 pa_sink_input_process_rewind(i, nbytes);
794 }
795
796 if (nbytes > 0) {
797 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
798 pa_source_process_rewind(s->monitor_source, nbytes);
799 }
800 }
801
802 /* Called from IO thread context */
803 static unsigned fill_mix_info(pa_sink *s, size_t *length, pa_mix_info *info, unsigned maxinfo) {
804 pa_sink_input *i;
805 unsigned n = 0;
806 void *state = NULL;
807 size_t mixlength = *length;
808
809 pa_sink_assert_ref(s);
810 pa_sink_assert_io_context(s);
811 pa_assert(info);
812
813 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)) && maxinfo > 0) {
814 pa_sink_input_assert_ref(i);
815
816 pa_sink_input_peek(i, *length, &info->chunk, &info->volume);
817
818 if (mixlength == 0 || info->chunk.length < mixlength)
819 mixlength = info->chunk.length;
820
821 if (pa_memblock_is_silence(info->chunk.memblock)) {
822 pa_memblock_unref(info->chunk.memblock);
823 continue;
824 }
825
826 info->userdata = pa_sink_input_ref(i);
827
828 pa_assert(info->chunk.memblock);
829 pa_assert(info->chunk.length > 0);
830
831 info++;
832 n++;
833 maxinfo--;
834 }
835
836 if (mixlength > 0)
837 *length = mixlength;
838
839 return n;
840 }
841
842 /* Called from IO thread context */
843 static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, pa_memchunk *result) {
844 pa_sink_input *i;
845 void *state;
846 unsigned p = 0;
847 unsigned n_unreffed = 0;
848
849 pa_sink_assert_ref(s);
850 pa_sink_assert_io_context(s);
851 pa_assert(result);
852 pa_assert(result->memblock);
853 pa_assert(result->length > 0);
854
855 /* We optimize for the case where the order of the inputs has not changed */
856
857 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
858 unsigned j;
859 pa_mix_info* m = NULL;
860
861 pa_sink_input_assert_ref(i);
862
863 /* Let's try to find the matching entry info the pa_mix_info array */
864 for (j = 0; j < n; j ++) {
865
866 if (info[p].userdata == i) {
867 m = info + p;
868 break;
869 }
870
871 p++;
872 if (p >= n)
873 p = 0;
874 }
875
876 /* Drop read data */
877 pa_sink_input_drop(i, result->length);
878
879 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state)) {
880
881 if (pa_hashmap_size(i->thread_info.direct_outputs) > 0) {
882 void *ostate = NULL;
883 pa_source_output *o;
884 pa_memchunk c;
885
886 if (m && m->chunk.memblock) {
887 c = m->chunk;
888 pa_memblock_ref(c.memblock);
889 pa_assert(result->length <= c.length);
890 c.length = result->length;
891
892 pa_memchunk_make_writable(&c, 0);
893 pa_volume_memchunk(&c, &s->sample_spec, &m->volume);
894 } else {
895 c = s->silence;
896 pa_memblock_ref(c.memblock);
897 pa_assert(result->length <= c.length);
898 c.length = result->length;
899 }
900
901 while ((o = pa_hashmap_iterate(i->thread_info.direct_outputs, &ostate, NULL))) {
902 pa_source_output_assert_ref(o);
903 pa_assert(o->direct_on_input == i);
904 pa_source_post_direct(s->monitor_source, o, &c);
905 }
906
907 pa_memblock_unref(c.memblock);
908 }
909 }
910
911 if (m) {
912 if (m->chunk.memblock)
913 pa_memblock_unref(m->chunk.memblock);
914 pa_memchunk_reset(&m->chunk);
915
916 pa_sink_input_unref(m->userdata);
917 m->userdata = NULL;
918
919 n_unreffed += 1;
920 }
921 }
922
923 /* Now drop references to entries that are included in the
924 * pa_mix_info array but don't exist anymore */
925
926 if (n_unreffed < n) {
927 for (; n > 0; info++, n--) {
928 if (info->userdata)
929 pa_sink_input_unref(info->userdata);
930 if (info->chunk.memblock)
931 pa_memblock_unref(info->chunk.memblock);
932 }
933 }
934
935 if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
936 pa_source_post(s->monitor_source, result);
937 }
938
939 /* Called from IO thread context */
940 void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
941 pa_mix_info info[MAX_MIX_CHANNELS];
942 unsigned n;
943 size_t block_size_max;
944
945 pa_sink_assert_ref(s);
946 pa_sink_assert_io_context(s);
947 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
948 pa_assert(pa_frame_aligned(length, &s->sample_spec));
949 pa_assert(result);
950
951 pa_assert(!s->thread_info.rewind_requested);
952 pa_assert(s->thread_info.rewind_nbytes == 0);
953
954 if (s->thread_info.state == PA_SINK_SUSPENDED) {
955 result->memblock = pa_memblock_ref(s->silence.memblock);
956 result->index = s->silence.index;
957 result->length = PA_MIN(s->silence.length, length);
958 return;
959 }
960
961 pa_sink_ref(s);
962
963 if (length <= 0)
964 length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec);
965
966 block_size_max = pa_mempool_block_size_max(s->core->mempool);
967 if (length > block_size_max)
968 length = pa_frame_align(block_size_max, &s->sample_spec);
969
970 pa_assert(length > 0);
971
972 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
973
974 if (n == 0) {
975
976 *result = s->silence;
977 pa_memblock_ref(result->memblock);
978
979 if (result->length > length)
980 result->length = length;
981
982 } else if (n == 1) {
983 pa_cvolume volume;
984
985 *result = info[0].chunk;
986 pa_memblock_ref(result->memblock);
987
988 if (result->length > length)
989 result->length = length;
990
991 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
992
993 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume)) {
994 pa_memblock_unref(result->memblock);
995 pa_silence_memchunk_get(&s->core->silence_cache,
996 s->core->mempool,
997 result,
998 &s->sample_spec,
999 result->length);
1000 } else if (!pa_cvolume_is_norm(&volume)) {
1001 pa_memchunk_make_writable(result, 0);
1002 pa_volume_memchunk(result, &s->sample_spec, &volume);
1003 }
1004 } else {
1005 void *ptr;
1006 result->memblock = pa_memblock_new(s->core->mempool, length);
1007
1008 ptr = pa_memblock_acquire(result->memblock);
1009 result->length = pa_mix(info, n,
1010 ptr, length,
1011 &s->sample_spec,
1012 &s->thread_info.soft_volume,
1013 s->thread_info.soft_muted);
1014 pa_memblock_release(result->memblock);
1015
1016 result->index = 0;
1017 }
1018
1019 inputs_drop(s, info, n, result);
1020
1021 pa_sink_unref(s);
1022 }
1023
1024 /* Called from IO thread context */
1025 void pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
1026 pa_mix_info info[MAX_MIX_CHANNELS];
1027 unsigned n;
1028 size_t length, block_size_max;
1029
1030 pa_sink_assert_ref(s);
1031 pa_sink_assert_io_context(s);
1032 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1033 pa_assert(target);
1034 pa_assert(target->memblock);
1035 pa_assert(target->length > 0);
1036 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
1037
1038 pa_assert(!s->thread_info.rewind_requested);
1039 pa_assert(s->thread_info.rewind_nbytes == 0);
1040
1041 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1042 pa_silence_memchunk(target, &s->sample_spec);
1043 return;
1044 }
1045
1046 pa_sink_ref(s);
1047
1048 length = target->length;
1049 block_size_max = pa_mempool_block_size_max(s->core->mempool);
1050 if (length > block_size_max)
1051 length = pa_frame_align(block_size_max, &s->sample_spec);
1052
1053 pa_assert(length > 0);
1054
1055 n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
1056
1057 if (n == 0) {
1058 if (target->length > length)
1059 target->length = length;
1060
1061 pa_silence_memchunk(target, &s->sample_spec);
1062 } else if (n == 1) {
1063 pa_cvolume volume;
1064
1065 if (target->length > length)
1066 target->length = length;
1067
1068 pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
1069
1070 if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume))
1071 pa_silence_memchunk(target, &s->sample_spec);
1072 else {
1073 pa_memchunk vchunk;
1074
1075 vchunk = info[0].chunk;
1076 pa_memblock_ref(vchunk.memblock);
1077
1078 if (vchunk.length > length)
1079 vchunk.length = length;
1080
1081 if (!pa_cvolume_is_norm(&volume)) {
1082 pa_memchunk_make_writable(&vchunk, 0);
1083 pa_volume_memchunk(&vchunk, &s->sample_spec, &volume);
1084 }
1085
1086 pa_memchunk_memcpy(target, &vchunk);
1087 pa_memblock_unref(vchunk.memblock);
1088 }
1089
1090 } else {
1091 void *ptr;
1092
1093 ptr = pa_memblock_acquire(target->memblock);
1094
1095 target->length = pa_mix(info, n,
1096 (uint8_t*) ptr + target->index, length,
1097 &s->sample_spec,
1098 &s->thread_info.soft_volume,
1099 s->thread_info.soft_muted);
1100
1101 pa_memblock_release(target->memblock);
1102 }
1103
1104 inputs_drop(s, info, n, target);
1105
1106 pa_sink_unref(s);
1107 }
1108
1109 /* Called from IO thread context */
1110 void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) {
1111 pa_memchunk chunk;
1112 size_t l, d;
1113
1114 pa_sink_assert_ref(s);
1115 pa_sink_assert_io_context(s);
1116 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1117 pa_assert(target);
1118 pa_assert(target->memblock);
1119 pa_assert(target->length > 0);
1120 pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
1121
1122 pa_assert(!s->thread_info.rewind_requested);
1123 pa_assert(s->thread_info.rewind_nbytes == 0);
1124
1125 if (s->thread_info.state == PA_SINK_SUSPENDED) {
1126 pa_silence_memchunk(target, &s->sample_spec);
1127 return;
1128 }
1129
1130 pa_sink_ref(s);
1131
1132 l = target->length;
1133 d = 0;
1134 while (l > 0) {
1135 chunk = *target;
1136 chunk.index += d;
1137 chunk.length -= d;
1138
1139 pa_sink_render_into(s, &chunk);
1140
1141 d += chunk.length;
1142 l -= chunk.length;
1143 }
1144
1145 pa_sink_unref(s);
1146 }
1147
1148 /* Called from IO thread context */
1149 void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) {
1150 pa_sink_assert_ref(s);
1151 pa_sink_assert_io_context(s);
1152 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1153 pa_assert(length > 0);
1154 pa_assert(pa_frame_aligned(length, &s->sample_spec));
1155 pa_assert(result);
1156
1157 pa_assert(!s->thread_info.rewind_requested);
1158 pa_assert(s->thread_info.rewind_nbytes == 0);
1159
1160 pa_sink_ref(s);
1161
1162 pa_sink_render(s, length, result);
1163
1164 if (result->length < length) {
1165 pa_memchunk chunk;
1166
1167 pa_memchunk_make_writable(result, length);
1168
1169 chunk.memblock = result->memblock;
1170 chunk.index = result->index + result->length;
1171 chunk.length = length - result->length;
1172
1173 pa_sink_render_into_full(s, &chunk);
1174
1175 result->length = length;
1176 }
1177
1178 pa_sink_unref(s);
1179 }
1180
1181 /* Called from main thread */
1182 pa_usec_t pa_sink_get_latency(pa_sink *s) {
1183 pa_usec_t usec = 0;
1184
1185 pa_sink_assert_ref(s);
1186 pa_assert_ctl_context();
1187 pa_assert(PA_SINK_IS_LINKED(s->state));
1188
1189 /* The returned value is supposed to be in the time domain of the sound card! */
1190
1191 if (s->state == PA_SINK_SUSPENDED)
1192 return 0;
1193
1194 if (!(s->flags & PA_SINK_LATENCY))
1195 return 0;
1196
1197 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
1198
1199 return usec;
1200 }
1201
1202 /* Called from IO thread */
1203 pa_usec_t pa_sink_get_latency_within_thread(pa_sink *s) {
1204 pa_usec_t usec = 0;
1205 pa_msgobject *o;
1206
1207 pa_sink_assert_ref(s);
1208 pa_sink_assert_io_context(s);
1209 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
1210
1211 /* The returned value is supposed to be in the time domain of the sound card! */
1212
1213 if (s->thread_info.state == PA_SINK_SUSPENDED)
1214 return 0;
1215
1216 if (!(s->flags & PA_SINK_LATENCY))
1217 return 0;
1218
1219 o = PA_MSGOBJECT(s);
1220
1221 /* FIXME: We probably should make this a proper vtable callback instead of going through process_msg() */
1222
1223 if (o->process_msg(o, PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
1224 return -1;
1225
1226 return usec;
1227 }
1228
1229 /* Called from the main thread (and also from the IO thread while the main
1230 * thread is waiting).
1231 *
1232 * When a sink uses volume sharing, it never has the PA_SINK_FLAT_VOLUME flag
1233 * set. Instead, flat volume mode is detected by checking whether the root sink
1234 * has the flag set. */
1235 pa_bool_t pa_sink_flat_volume_enabled(pa_sink *s) {
1236 pa_sink_assert_ref(s);
1237
1238 while (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
1239 s = s->input_to_master->sink;
1240
1241 return (s->flags & PA_SINK_FLAT_VOLUME);
1242 }
1243
1244 /* Called from main context */
1245 pa_bool_t pa_sink_is_passthrough(pa_sink *s) {
1246 pa_sink_input *alt_i;
1247 uint32_t idx;
1248
1249 pa_sink_assert_ref(s);
1250
1251 /* one and only one PASSTHROUGH input can possibly be connected */
1252 if (pa_idxset_size(s->inputs) == 1) {
1253 alt_i = pa_idxset_first(s->inputs, &idx);
1254
1255 if (pa_sink_input_is_passthrough(alt_i))
1256 return TRUE;
1257 }
1258
1259 return FALSE;
1260 }
1261
1262 /* Called from main context. */
1263 static void compute_reference_ratio(pa_sink_input *i) {
1264 unsigned c = 0;
1265 pa_cvolume remapped;
1266
1267 pa_assert(i);
1268 pa_assert(pa_sink_flat_volume_enabled(i->sink));
1269
1270 /*
1271 * Calculates the reference ratio from the sink's reference
1272 * volume. This basically calculates:
1273 *
1274 * i->reference_ratio = i->volume / i->sink->reference_volume
1275 */
1276
1277 remapped = i->sink->reference_volume;
1278 pa_cvolume_remap(&remapped, &i->sink->channel_map, &i->channel_map);
1279
1280 i->reference_ratio.channels = i->sample_spec.channels;
1281
1282 for (c = 0; c < i->sample_spec.channels; c++) {
1283
1284 /* We don't update when the sink volume is 0 anyway */
1285 if (remapped.values[c] <= PA_VOLUME_MUTED)
1286 continue;
1287
1288 /* Don't update the reference ratio unless necessary */
1289 if (pa_sw_volume_multiply(
1290 i->reference_ratio.values[c],
1291 remapped.values[c]) == i->volume.values[c])
1292 continue;
1293
1294 i->reference_ratio.values[c] = pa_sw_volume_divide(
1295 i->volume.values[c],
1296 remapped.values[c]);
1297 }
1298 }
1299
1300 /* Called from main context. Only called for the root sink in volume sharing
1301 * cases, except for internal recursive calls. */
1302 static void compute_reference_ratios(pa_sink *s) {
1303 uint32_t idx;
1304 pa_sink_input *i;
1305
1306 pa_sink_assert_ref(s);
1307 pa_assert_ctl_context();
1308 pa_assert(PA_SINK_IS_LINKED(s->state));
1309 pa_assert(pa_sink_flat_volume_enabled(s));
1310
1311 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1312 compute_reference_ratio(i);
1313
1314 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
1315 compute_reference_ratios(i->origin_sink);
1316 }
1317 }
1318
1319 /* Called from main context. Only called for the root sink in volume sharing
1320 * cases, except for internal recursive calls. */
1321 static void compute_real_ratios(pa_sink *s) {
1322 pa_sink_input *i;
1323 uint32_t idx;
1324
1325 pa_sink_assert_ref(s);
1326 pa_assert_ctl_context();
1327 pa_assert(PA_SINK_IS_LINKED(s->state));
1328 pa_assert(pa_sink_flat_volume_enabled(s));
1329
1330 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1331 unsigned c;
1332 pa_cvolume remapped;
1333
1334 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1335 /* The origin sink uses volume sharing, so this input's real ratio
1336 * is handled as a special case - the real ratio must be 0 dB, and
1337 * as a result i->soft_volume must equal i->volume_factor. */
1338 pa_cvolume_reset(&i->real_ratio, i->real_ratio.channels);
1339 i->soft_volume = i->volume_factor;
1340
1341 compute_real_ratios(i->origin_sink);
1342
1343 continue;
1344 }
1345
1346 /*
1347 * This basically calculates:
1348 *
1349 * i->real_ratio := i->volume / s->real_volume
1350 * i->soft_volume := i->real_ratio * i->volume_factor
1351 */
1352
1353 remapped = s->real_volume;
1354 pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
1355
1356 i->real_ratio.channels = i->sample_spec.channels;
1357 i->soft_volume.channels = i->sample_spec.channels;
1358
1359 for (c = 0; c < i->sample_spec.channels; c++) {
1360
1361 if (remapped.values[c] <= PA_VOLUME_MUTED) {
1362 /* We leave i->real_ratio untouched */
1363 i->soft_volume.values[c] = PA_VOLUME_MUTED;
1364 continue;
1365 }
1366
1367 /* Don't lose accuracy unless necessary */
1368 if (pa_sw_volume_multiply(
1369 i->real_ratio.values[c],
1370 remapped.values[c]) != i->volume.values[c])
1371
1372 i->real_ratio.values[c] = pa_sw_volume_divide(
1373 i->volume.values[c],
1374 remapped.values[c]);
1375
1376 i->soft_volume.values[c] = pa_sw_volume_multiply(
1377 i->real_ratio.values[c],
1378 i->volume_factor.values[c]);
1379 }
1380
1381 /* We don't copy the soft_volume to the thread_info data
1382 * here. That must be done by the caller */
1383 }
1384 }
1385
1386 static pa_cvolume *cvolume_remap_minimal_impact(
1387 pa_cvolume *v,
1388 const pa_cvolume *template,
1389 const pa_channel_map *from,
1390 const pa_channel_map *to) {
1391
1392 pa_cvolume t;
1393
1394 pa_assert(v);
1395 pa_assert(template);
1396 pa_assert(from);
1397 pa_assert(to);
1398 pa_assert(pa_cvolume_compatible_with_channel_map(v, from));
1399 pa_assert(pa_cvolume_compatible_with_channel_map(template, to));
1400
1401 /* Much like pa_cvolume_remap(), but tries to minimize impact when
1402 * mapping from sink input to sink volumes:
1403 *
1404 * If template is a possible remapping from v it is used instead
1405 * of remapping anew.
1406 *
1407 * If the channel maps don't match we set an all-channel volume on
1408 * the sink to ensure that changing a volume on one stream has no
1409 * effect that cannot be compensated for in another stream that
1410 * does not have the same channel map as the sink. */
1411
1412 if (pa_channel_map_equal(from, to))
1413 return v;
1414
1415 t = *template;
1416 if (pa_cvolume_equal(pa_cvolume_remap(&t, to, from), v)) {
1417 *v = *template;
1418 return v;
1419 }
1420
1421 pa_cvolume_set(v, to->channels, pa_cvolume_max(v));
1422 return v;
1423 }
1424
1425 /* Called from main thread. Only called for the root sink in volume sharing
1426 * cases, except for internal recursive calls. */
1427 static void get_maximum_input_volume(pa_sink *s, pa_cvolume *max_volume, const pa_channel_map *channel_map) {
1428 pa_sink_input *i;
1429 uint32_t idx;
1430
1431 pa_sink_assert_ref(s);
1432 pa_assert(max_volume);
1433 pa_assert(channel_map);
1434 pa_assert(pa_sink_flat_volume_enabled(s));
1435
1436 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1437 pa_cvolume remapped;
1438
1439 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1440 get_maximum_input_volume(i->origin_sink, max_volume, channel_map);
1441
1442 /* Ignore this input. The origin sink uses volume sharing, so this
1443 * input's volume will be set to be equal to the root sink's real
1444 * volume. Obviously this input's current volume must not then
1445 * affect what the root sink's real volume will be. */
1446 continue;
1447 }
1448
1449 remapped = i->volume;
1450 cvolume_remap_minimal_impact(&remapped, max_volume, &i->channel_map, channel_map);
1451 pa_cvolume_merge(max_volume, max_volume, &remapped);
1452 }
1453 }
1454
1455 /* Called from main thread. Only called for the root sink in volume sharing
1456 * cases, except for internal recursive calls. */
1457 static pa_bool_t has_inputs(pa_sink *s) {
1458 pa_sink_input *i;
1459 uint32_t idx;
1460
1461 pa_sink_assert_ref(s);
1462
1463 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1464 if (!i->origin_sink || !(i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || has_inputs(i->origin_sink))
1465 return TRUE;
1466 }
1467
1468 return FALSE;
1469 }
1470
1471 /* Called from main thread. Only called for the root sink in volume sharing
1472 * cases, except for internal recursive calls. */
1473 static void update_real_volume(pa_sink *s, const pa_cvolume *new_volume, pa_channel_map *channel_map) {
1474 pa_sink_input *i;
1475 uint32_t idx;
1476
1477 pa_sink_assert_ref(s);
1478 pa_assert(new_volume);
1479 pa_assert(channel_map);
1480
1481 s->real_volume = *new_volume;
1482 pa_cvolume_remap(&s->real_volume, channel_map, &s->channel_map);
1483
1484 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1485 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1486 if (pa_sink_flat_volume_enabled(s)) {
1487 pa_cvolume old_volume = i->volume;
1488
1489 /* Follow the root sink's real volume. */
1490 i->volume = *new_volume;
1491 pa_cvolume_remap(&i->volume, channel_map, &i->channel_map);
1492 compute_reference_ratio(i);
1493
1494 /* The volume changed, let's tell people so */
1495 if (!pa_cvolume_equal(&old_volume, &i->volume)) {
1496 if (i->volume_changed)
1497 i->volume_changed(i);
1498
1499 pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
1500 }
1501 }
1502
1503 update_real_volume(i->origin_sink, new_volume, channel_map);
1504 }
1505 }
1506 }
1507
1508 /* Called from main thread. Only called for the root sink in shared volume
1509 * cases. */
1510 static void compute_real_volume(pa_sink *s) {
1511 pa_sink_assert_ref(s);
1512 pa_assert_ctl_context();
1513 pa_assert(PA_SINK_IS_LINKED(s->state));
1514 pa_assert(pa_sink_flat_volume_enabled(s));
1515 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
1516
1517 /* This determines the maximum volume of all streams and sets
1518 * s->real_volume accordingly. */
1519
1520 if (!has_inputs(s)) {
1521 /* In the special case that we have no sink inputs we leave the
1522 * volume unmodified. */
1523 update_real_volume(s, &s->reference_volume, &s->channel_map);
1524 return;
1525 }
1526
1527 pa_cvolume_mute(&s->real_volume, s->channel_map.channels);
1528
1529 /* First let's determine the new maximum volume of all inputs
1530 * connected to this sink */
1531 get_maximum_input_volume(s, &s->real_volume, &s->channel_map);
1532 update_real_volume(s, &s->real_volume, &s->channel_map);
1533
1534 /* Then, let's update the real ratios/soft volumes of all inputs
1535 * connected to this sink */
1536 compute_real_ratios(s);
1537 }
1538
1539 /* Called from main thread. Only called for the root sink in shared volume
1540 * cases, except for internal recursive calls. */
1541 static void propagate_reference_volume(pa_sink *s) {
1542 pa_sink_input *i;
1543 uint32_t idx;
1544
1545 pa_sink_assert_ref(s);
1546 pa_assert_ctl_context();
1547 pa_assert(PA_SINK_IS_LINKED(s->state));
1548 pa_assert(pa_sink_flat_volume_enabled(s));
1549
1550 /* This is called whenever the sink volume changes that is not
1551 * caused by a sink input volume change. We need to fix up the
1552 * sink input volumes accordingly */
1553
1554 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1555 pa_cvolume old_volume;
1556
1557 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1558 propagate_reference_volume(i->origin_sink);
1559
1560 /* Since the origin sink uses volume sharing, this input's volume
1561 * needs to be updated to match the root sink's real volume, but
1562 * that will be done later in update_shared_real_volume(). */
1563 continue;
1564 }
1565
1566 old_volume = i->volume;
1567
1568 /* This basically calculates:
1569 *
1570 * i->volume := s->reference_volume * i->reference_ratio */
1571
1572 i->volume = s->reference_volume;
1573 pa_cvolume_remap(&i->volume, &s->channel_map, &i->channel_map);
1574 pa_sw_cvolume_multiply(&i->volume, &i->volume, &i->reference_ratio);
1575
1576 /* The volume changed, let's tell people so */
1577 if (!pa_cvolume_equal(&old_volume, &i->volume)) {
1578
1579 if (i->volume_changed)
1580 i->volume_changed(i);
1581
1582 pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
1583 }
1584 }
1585 }
1586
1587 /* Called from main thread. Only called for the root sink in volume sharing
1588 * cases, except for internal recursive calls. The return value indicates
1589 * whether any reference volume actually changed. */
1590 static pa_bool_t update_reference_volume(pa_sink *s, const pa_cvolume *v, const pa_channel_map *channel_map, pa_bool_t save) {
1591 pa_cvolume volume;
1592 pa_bool_t reference_volume_changed;
1593 pa_sink_input *i;
1594 uint32_t idx;
1595
1596 pa_sink_assert_ref(s);
1597 pa_assert(PA_SINK_IS_LINKED(s->state));
1598 pa_assert(v);
1599 pa_assert(channel_map);
1600 pa_assert(pa_cvolume_valid(v));
1601
1602 volume = *v;
1603 pa_cvolume_remap(&volume, channel_map, &s->channel_map);
1604
1605 reference_volume_changed = !pa_cvolume_equal(&volume, &s->reference_volume);
1606 s->reference_volume = volume;
1607
1608 s->save_volume = (!reference_volume_changed && s->save_volume) || save;
1609
1610 if (reference_volume_changed)
1611 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
1612 else if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
1613 /* If the root sink's volume doesn't change, then there can't be any
1614 * changes in the other sinks in the sink tree either.
1615 *
1616 * It's probably theoretically possible that even if the root sink's
1617 * volume changes slightly, some filter sink doesn't change its volume
1618 * due to rounding errors. If that happens, we still want to propagate
1619 * the changed root sink volume to the sinks connected to the
1620 * intermediate sink that didn't change its volume. This theoretical
1621 * possiblity is the reason why we have that !(s->flags &
1622 * PA_SINK_SHARE_VOLUME_WITH_MASTER) condition. Probably nobody would
1623 * notice even if we returned here FALSE always if
1624 * reference_volume_changed is FALSE. */
1625 return FALSE;
1626
1627 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1628 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
1629 update_reference_volume(i->origin_sink, v, channel_map, FALSE);
1630 }
1631
1632 return TRUE;
1633 }
1634
1635 /* Called from main thread */
1636 void pa_sink_set_volume(
1637 pa_sink *s,
1638 const pa_cvolume *volume,
1639 pa_bool_t send_msg,
1640 pa_bool_t save) {
1641
1642 pa_cvolume new_reference_volume;
1643 pa_sink *root_sink = s;
1644
1645 pa_sink_assert_ref(s);
1646 pa_assert_ctl_context();
1647 pa_assert(PA_SINK_IS_LINKED(s->state));
1648 pa_assert(!volume || pa_cvolume_valid(volume));
1649 pa_assert(volume || pa_sink_flat_volume_enabled(s));
1650 pa_assert(!volume || volume->channels == 1 || pa_cvolume_compatible(volume, &s->sample_spec));
1651
1652 /* make sure we don't change the volume when a PASSTHROUGH input is connected */
1653 if (pa_sink_is_passthrough(s)) {
1654 /* FIXME: Need to notify client that volume control is disabled */
1655 pa_log_warn("Cannot change volume, Sink is connected to PASSTHROUGH input");
1656 return;
1657 }
1658
1659 /* In case of volume sharing, the volume is set for the root sink first,
1660 * from which it's then propagated to the sharing sinks. */
1661 while (root_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
1662 root_sink = root_sink->input_to_master->sink;
1663
1664 /* As a special exception we accept mono volumes on all sinks --
1665 * even on those with more complex channel maps */
1666
1667 if (volume) {
1668 if (pa_cvolume_compatible(volume, &s->sample_spec))
1669 new_reference_volume = *volume;
1670 else {
1671 new_reference_volume = s->reference_volume;
1672 pa_cvolume_scale(&new_reference_volume, pa_cvolume_max(volume));
1673 }
1674
1675 pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_sink->channel_map);
1676 }
1677
1678 /* If volume is NULL we synchronize the sink's real and reference
1679 * volumes with the stream volumes. If it is not NULL we update
1680 * the reference_volume with it. */
1681
1682 if (volume) {
1683 if (update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save)) {
1684 if (pa_sink_flat_volume_enabled(root_sink)) {
1685 /* OK, propagate this volume change back to the inputs */
1686 propagate_reference_volume(root_sink);
1687
1688 /* And now recalculate the real volume */
1689 compute_real_volume(root_sink);
1690 } else
1691 update_real_volume(root_sink, &root_sink->reference_volume, &root_sink->channel_map);
1692 }
1693
1694 } else {
1695 pa_assert(pa_sink_flat_volume_enabled(root_sink));
1696
1697 /* Ok, let's determine the new real volume */
1698 compute_real_volume(root_sink);
1699
1700 /* Let's 'push' the reference volume if necessary */
1701 pa_cvolume_merge(&new_reference_volume, &s->reference_volume, &root_sink->real_volume);
1702 update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save);
1703
1704 /* Now that the reference volume is updated, we can update the streams'
1705 * reference ratios. */
1706 compute_reference_ratios(root_sink);
1707 }
1708
1709 if (root_sink->set_volume) {
1710 /* If we have a function set_volume(), then we do not apply a
1711 * soft volume by default. However, set_volume() is free to
1712 * apply one to root_sink->soft_volume */
1713
1714 pa_cvolume_reset(&root_sink->soft_volume, root_sink->sample_spec.channels);
1715 if (!(root_sink->flags & PA_SINK_SYNC_VOLUME))
1716 root_sink->set_volume(root_sink);
1717
1718 } else
1719 /* If we have no function set_volume(), then the soft volume
1720 * becomes the real volume */
1721 root_sink->soft_volume = root_sink->real_volume;
1722
1723 /* This tells the sink that soft volume and/or real volume changed */
1724 if (send_msg)
1725 pa_assert_se(pa_asyncmsgq_send(root_sink->asyncmsgq, PA_MSGOBJECT(root_sink), PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL) == 0);
1726 }
1727
1728 /* Called from the io thread if sync volume is used, otherwise from the main thread.
1729 * Only to be called by sink implementor */
1730 void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume) {
1731
1732 pa_sink_assert_ref(s);
1733 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
1734
1735 if (s->flags & PA_SINK_SYNC_VOLUME)
1736 pa_sink_assert_io_context(s);
1737 else
1738 pa_assert_ctl_context();
1739
1740 if (!volume)
1741 pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
1742 else
1743 s->soft_volume = *volume;
1744
1745 if (PA_SINK_IS_LINKED(s->state) && !(s->flags & PA_SINK_SYNC_VOLUME))
1746 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
1747 else
1748 s->thread_info.soft_volume = s->soft_volume;
1749 }
1750
1751 /* Called from the main thread. Only called for the root sink in volume sharing
1752 * cases, except for internal recursive calls. */
1753 static void propagate_real_volume(pa_sink *s, const pa_cvolume *old_real_volume) {
1754 pa_sink_input *i;
1755 uint32_t idx;
1756
1757 pa_sink_assert_ref(s);
1758 pa_assert(old_real_volume);
1759 pa_assert_ctl_context();
1760 pa_assert(PA_SINK_IS_LINKED(s->state));
1761
1762 /* This is called when the hardware's real volume changes due to
1763 * some external event. We copy the real volume into our
1764 * reference volume and then rebuild the stream volumes based on
1765 * i->real_ratio which should stay fixed. */
1766
1767 if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
1768 if (pa_cvolume_equal(old_real_volume, &s->real_volume))
1769 return;
1770
1771 /* 1. Make the real volume the reference volume */
1772 update_reference_volume(s, &s->real_volume, &s->channel_map, TRUE);
1773 }
1774
1775 if (pa_sink_flat_volume_enabled(s)) {
1776
1777 PA_IDXSET_FOREACH(i, s->inputs, idx) {
1778 pa_cvolume old_volume = i->volume;
1779
1780 /* 2. Since the sink's reference and real volumes are equal
1781 * now our ratios should be too. */
1782 i->reference_ratio = i->real_ratio;
1783
1784 /* 3. Recalculate the new stream reference volume based on the
1785 * reference ratio and the sink's reference volume.
1786 *
1787 * This basically calculates:
1788 *
1789 * i->volume = s->reference_volume * i->reference_ratio
1790 *
1791 * This is identical to propagate_reference_volume() */
1792 i->volume = s->reference_volume;
1793 pa_cvolume_remap(&i->volume, &s->channel_map, &i->channel_map);
1794 pa_sw_cvolume_multiply(&i->volume, &i->volume, &i->reference_ratio);
1795
1796 /* Notify if something changed */
1797 if (!pa_cvolume_equal(&old_volume, &i->volume)) {
1798
1799 if (i->volume_changed)
1800 i->volume_changed(i);
1801
1802 pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
1803 }
1804
1805 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
1806 propagate_real_volume(i->origin_sink, old_real_volume);
1807 }
1808 }
1809
1810 /* Something got changed in the hardware. It probably makes sense
1811 * to save changed hw settings given that hw volume changes not
1812 * triggered by PA are almost certainly done by the user. */
1813 if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
1814 s->save_volume = TRUE;
1815 }
1816
1817 /* Called from io thread */
1818 void pa_sink_update_volume_and_mute(pa_sink *s) {
1819 pa_assert(s);
1820 pa_sink_assert_io_context(s);
1821
1822 pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE, NULL, 0, NULL, NULL);
1823 }
1824
1825 /* Called from main thread */
1826 const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_bool_t force_refresh) {
1827 pa_sink_assert_ref(s);
1828 pa_assert_ctl_context();
1829 pa_assert(PA_SINK_IS_LINKED(s->state));
1830
1831 if (s->refresh_volume || force_refresh) {
1832 struct pa_cvolume old_real_volume;
1833
1834 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
1835
1836 old_real_volume = s->real_volume;
1837
1838 if (!(s->flags & PA_SINK_SYNC_VOLUME) && s->get_volume)
1839 s->get_volume(s);
1840
1841 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, NULL, 0, NULL) == 0);
1842
1843 update_real_volume(s, &s->real_volume, &s->channel_map);
1844 propagate_real_volume(s, &old_real_volume);
1845 }
1846
1847 return &s->reference_volume;
1848 }
1849
1850 /* Called from main thread. In volume sharing cases, only the root sink may
1851 * call this. */
1852 void pa_sink_volume_changed(pa_sink *s, const pa_cvolume *new_real_volume) {
1853 pa_cvolume old_real_volume;
1854
1855 pa_sink_assert_ref(s);
1856 pa_assert_ctl_context();
1857 pa_assert(PA_SINK_IS_LINKED(s->state));
1858 pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
1859
1860 /* The sink implementor may call this if the volume changed to make sure everyone is notified */
1861
1862 old_real_volume = s->real_volume;
1863 update_real_volume(s, new_real_volume, &s->channel_map);
1864 propagate_real_volume(s, &old_real_volume);
1865 }
1866
1867 /* Called from main thread */
1868 void pa_sink_set_mute(pa_sink *s, pa_bool_t mute, pa_bool_t save) {
1869 pa_bool_t old_muted;
1870
1871 pa_sink_assert_ref(s);
1872 pa_assert_ctl_context();
1873 pa_assert(PA_SINK_IS_LINKED(s->state));
1874
1875 old_muted = s->muted;
1876 s->muted = mute;
1877 s->save_muted = (old_muted == s->muted && s->save_muted) || save;
1878
1879 if (!(s->flags & PA_SINK_SYNC_VOLUME) && s->set_mute)
1880 s->set_mute(s);
1881
1882 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
1883
1884 if (old_muted != s->muted)
1885 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
1886 }
1887
1888 /* Called from main thread */
1889 pa_bool_t pa_sink_get_mute(pa_sink *s, pa_bool_t force_refresh) {
1890
1891 pa_sink_assert_ref(s);
1892 pa_assert_ctl_context();
1893 pa_assert(PA_SINK_IS_LINKED(s->state));
1894
1895 if (s->refresh_muted || force_refresh) {
1896 pa_bool_t old_muted = s->muted;
1897
1898 if (!(s->flags & PA_SINK_SYNC_VOLUME) && s->get_mute)
1899 s->get_mute(s);
1900
1901 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, NULL, 0, NULL) == 0);
1902
1903 if (old_muted != s->muted) {
1904 s->save_muted = TRUE;
1905
1906 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
1907
1908 /* Make sure the soft mute status stays in sync */
1909 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
1910 }
1911 }
1912
1913 return s->muted;
1914 }
1915
1916 /* Called from main thread */
1917 void pa_sink_mute_changed(pa_sink *s, pa_bool_t new_muted) {
1918 pa_sink_assert_ref(s);
1919 pa_assert_ctl_context();
1920 pa_assert(PA_SINK_IS_LINKED(s->state));
1921
1922 /* The sink implementor may call this if the volume changed to make sure everyone is notified */
1923
1924 if (s->muted == new_muted)
1925 return;
1926
1927 s->muted = new_muted;
1928 s->save_muted = TRUE;
1929
1930 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
1931 }
1932
1933 /* Called from main thread */
1934 pa_bool_t pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p) {
1935 pa_sink_assert_ref(s);
1936 pa_assert_ctl_context();
1937
1938 if (p)
1939 pa_proplist_update(s->proplist, mode, p);
1940
1941 if (PA_SINK_IS_LINKED(s->state)) {
1942 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
1943 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
1944 }
1945
1946 return TRUE;
1947 }
1948
1949 /* Called from main thread */
1950 /* FIXME -- this should be dropped and be merged into pa_sink_update_proplist() */
1951 void pa_sink_set_description(pa_sink *s, const char *description) {
1952 const char *old;
1953 pa_sink_assert_ref(s);
1954 pa_assert_ctl_context();
1955
1956 if (!description && !pa_proplist_contains(s->proplist, PA_PROP_DEVICE_DESCRIPTION))
1957 return;
1958
1959 old = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
1960
1961 if (old && description && pa_streq(old, description))
1962 return;
1963
1964 if (description)
1965 pa_proplist_sets(s->proplist, PA_PROP_DEVICE_DESCRIPTION, description);
1966 else
1967 pa_proplist_unset(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
1968
1969 if (s->monitor_source) {
1970 char *n;
1971
1972 n = pa_sprintf_malloc("Monitor Source of %s", description ? description : s->name);
1973 pa_source_set_description(s->monitor_source, n);
1974 pa_xfree(n);
1975 }
1976
1977 if (PA_SINK_IS_LINKED(s->state)) {
1978 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
1979 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
1980 }
1981 }
1982
1983 /* Called from main thread */
1984 unsigned pa_sink_linked_by(pa_sink *s) {
1985 unsigned ret;
1986
1987 pa_sink_assert_ref(s);
1988 pa_assert_ctl_context();
1989 pa_assert(PA_SINK_IS_LINKED(s->state));
1990
1991 ret = pa_idxset_size(s->inputs);
1992
1993 /* We add in the number of streams connected to us here. Please
1994 * note the asymmmetry to pa_sink_used_by()! */
1995
1996 if (s->monitor_source)
1997 ret += pa_source_linked_by(s->monitor_source);
1998
1999 return ret;
2000 }
2001
2002 /* Called from main thread */
2003 unsigned pa_sink_used_by(pa_sink *s) {
2004 unsigned ret;
2005
2006 pa_sink_assert_ref(s);
2007 pa_assert_ctl_context();
2008 pa_assert(PA_SINK_IS_LINKED(s->state));
2009
2010 ret = pa_idxset_size(s->inputs);
2011 pa_assert(ret >= s->n_corked);
2012
2013 /* Streams connected to our monitor source do not matter for
2014 * pa_sink_used_by()!.*/
2015
2016 return ret - s->n_corked;
2017 }
2018
2019 /* Called from main thread */
2020 unsigned pa_sink_check_suspend(pa_sink *s) {
2021 unsigned ret;
2022 pa_sink_input *i;
2023 uint32_t idx;
2024
2025 pa_sink_assert_ref(s);
2026 pa_assert_ctl_context();
2027
2028 if (!PA_SINK_IS_LINKED(s->state))
2029 return 0;
2030
2031 ret = 0;
2032
2033 PA_IDXSET_FOREACH(i, s->inputs, idx) {
2034 pa_sink_input_state_t st;
2035
2036 st = pa_sink_input_get_state(i);
2037
2038 /* We do not assert here. It is perfectly valid for a sink input to
2039 * be in the INIT state (i.e. created, marked done but not yet put)
2040 * and we should not care if it's unlinked as it won't contribute
2041 * towarards our busy status.
2042 */
2043 if (!PA_SINK_INPUT_IS_LINKED(st))
2044 continue;
2045
2046 if (st == PA_SINK_INPUT_CORKED)
2047 continue;
2048
2049 if (i->flags & PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND)
2050 continue;
2051
2052 ret ++;
2053 }
2054
2055 if (s->monitor_source)
2056 ret += pa_source_check_suspend(s->monitor_source);
2057
2058 return ret;
2059 }
2060
2061 /* Called from the IO thread */
2062 static void sync_input_volumes_within_thread(pa_sink *s) {
2063 pa_sink_input *i;
2064 void *state = NULL;
2065
2066 pa_sink_assert_ref(s);
2067 pa_sink_assert_io_context(s);
2068
2069 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
2070 if (pa_cvolume_equal(&i->thread_info.soft_volume, &i->soft_volume))
2071 continue;
2072
2073 i->thread_info.soft_volume = i->soft_volume;
2074 pa_sink_input_request_rewind(i, 0, TRUE, FALSE, FALSE);
2075 }
2076 }
2077
2078 /* Called from the IO thread. Only called for the root sink in volume sharing
2079 * cases, except for internal recursive calls. */
2080 static void set_shared_volume_within_thread(pa_sink *s) {
2081 pa_sink_input *i = NULL;
2082 void *state = NULL;
2083
2084 pa_sink_assert_ref(s);
2085
2086 PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME_SYNCED, NULL, 0, NULL);
2087
2088 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
2089 if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
2090 set_shared_volume_within_thread(i->origin_sink);
2091 }
2092 }
2093
2094 /* Called from IO thread, except when it is not */
2095 int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
2096 pa_sink *s = PA_SINK(o);
2097 pa_sink_assert_ref(s);
2098
2099 switch ((pa_sink_message_t) code) {
2100
2101 case PA_SINK_MESSAGE_ADD_INPUT: {
2102 pa_sink_input *i = PA_SINK_INPUT(userdata);
2103
2104 /* If you change anything here, make sure to change the
2105 * sink input handling a few lines down at
2106 * PA_SINK_MESSAGE_FINISH_MOVE, too. */
2107
2108 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
2109
2110 /* Since the caller sleeps in pa_sink_input_put(), we can
2111 * safely access data outside of thread_info even though
2112 * it is mutable */
2113
2114 if ((i->thread_info.sync_prev = i->sync_prev)) {
2115 pa_assert(i->sink == i->thread_info.sync_prev->sink);
2116 pa_assert(i->sync_prev->sync_next == i);
2117 i->thread_info.sync_prev->thread_info.sync_next = i;
2118 }
2119
2120 if ((i->thread_info.sync_next = i->sync_next)) {
2121 pa_assert(i->sink == i->thread_info.sync_next->sink);
2122 pa_assert(i->sync_next->sync_prev == i);
2123 i->thread_info.sync_next->thread_info.sync_prev = i;
2124 }
2125
2126 pa_assert(!i->thread_info.attached);
2127 i->thread_info.attached = TRUE;
2128
2129 if (i->attach)
2130 i->attach(i);
2131
2132 pa_sink_input_set_state_within_thread(i, i->state);
2133
2134 /* The requested latency of the sink input needs to be
2135 * fixed up and then configured on the sink */
2136
2137 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
2138 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
2139
2140 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
2141 pa_sink_input_update_max_request(i, s->thread_info.max_request);
2142
2143 /* We don't rewind here automatically. This is left to the
2144 * sink input implementor because some sink inputs need a
2145 * slow start, i.e. need some time to buffer client
2146 * samples before beginning streaming. */
2147
2148 /* In flat volume mode we need to update the volume as
2149 * well */
2150 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2151 }
2152
2153 case PA_SINK_MESSAGE_REMOVE_INPUT: {
2154 pa_sink_input *i = PA_SINK_INPUT(userdata);
2155
2156 /* If you change anything here, make sure to change the
2157 * sink input handling a few lines down at
2158 * PA_SINK_MESSAGE_START_MOVE, too. */
2159
2160 if (i->detach)
2161 i->detach(i);
2162
2163 pa_sink_input_set_state_within_thread(i, i->state);
2164
2165 pa_assert(i->thread_info.attached);
2166 i->thread_info.attached = FALSE;
2167
2168 /* Since the caller sleeps in pa_sink_input_unlink(),
2169 * we can safely access data outside of thread_info even
2170 * though it is mutable */
2171
2172 pa_assert(!i->sync_prev);
2173 pa_assert(!i->sync_next);
2174
2175 if (i->thread_info.sync_prev) {
2176 i->thread_info.sync_prev->thread_info.sync_next = i->thread_info.sync_prev->sync_next;
2177 i->thread_info.sync_prev = NULL;
2178 }
2179
2180 if (i->thread_info.sync_next) {
2181 i->thread_info.sync_next->thread_info.sync_prev = i->thread_info.sync_next->sync_prev;
2182 i->thread_info.sync_next = NULL;
2183 }
2184
2185 if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
2186 pa_sink_input_unref(i);
2187
2188 pa_sink_invalidate_requested_latency(s, TRUE);
2189 pa_sink_request_rewind(s, (size_t) -1);
2190
2191 /* In flat volume mode we need to update the volume as
2192 * well */
2193 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2194 }
2195
2196 case PA_SINK_MESSAGE_START_MOVE: {
2197 pa_sink_input *i = PA_SINK_INPUT(userdata);
2198
2199 /* We don't support moving synchronized streams. */
2200 pa_assert(!i->sync_prev);
2201 pa_assert(!i->sync_next);
2202 pa_assert(!i->thread_info.sync_next);
2203 pa_assert(!i->thread_info.sync_prev);
2204
2205 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
2206 pa_usec_t usec = 0;
2207 size_t sink_nbytes, total_nbytes;
2208
2209 /* Get the latency of the sink */
2210 usec = pa_sink_get_latency_within_thread(s);
2211 sink_nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
2212 total_nbytes = sink_nbytes + pa_memblockq_get_length(i->thread_info.render_memblockq);
2213
2214 if (total_nbytes > 0) {
2215 i->thread_info.rewrite_nbytes = i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, total_nbytes) : total_nbytes;
2216 i->thread_info.rewrite_flush = TRUE;
2217 pa_sink_input_process_rewind(i, sink_nbytes);
2218 }
2219 }
2220
2221 if (i->detach)
2222 i->detach(i);
2223
2224 pa_assert(i->thread_info.attached);
2225 i->thread_info.attached = FALSE;
2226
2227 /* Let's remove the sink input ...*/
2228 if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
2229 pa_sink_input_unref(i);
2230
2231 pa_sink_invalidate_requested_latency(s, TRUE);
2232
2233 pa_log_debug("Requesting rewind due to started move");
2234 pa_sink_request_rewind(s, (size_t) -1);
2235
2236 /* In flat volume mode we need to update the volume as
2237 * well */
2238 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2239 }
2240
2241 case PA_SINK_MESSAGE_FINISH_MOVE: {
2242 pa_sink_input *i = PA_SINK_INPUT(userdata);
2243
2244 /* We don't support moving synchronized streams. */
2245 pa_assert(!i->sync_prev);
2246 pa_assert(!i->sync_next);
2247 pa_assert(!i->thread_info.sync_next);
2248 pa_assert(!i->thread_info.sync_prev);
2249
2250 pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
2251
2252 pa_assert(!i->thread_info.attached);
2253 i->thread_info.attached = TRUE;
2254
2255 if (i->attach)
2256 i->attach(i);
2257
2258 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
2259 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
2260
2261 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
2262 pa_sink_input_update_max_request(i, s->thread_info.max_request);
2263
2264 if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
2265 pa_usec_t usec = 0;
2266 size_t nbytes;
2267
2268 /* Get the latency of the sink */
2269 usec = pa_sink_get_latency_within_thread(s);
2270 nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
2271
2272 if (nbytes > 0)
2273 pa_sink_input_drop(i, nbytes);
2274
2275 pa_log_debug("Requesting rewind due to finished move");
2276 pa_sink_request_rewind(s, nbytes);
2277 }
2278
2279 return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
2280 }
2281
2282 case PA_SINK_MESSAGE_SET_SHARED_VOLUME: {
2283 pa_sink *root_sink = s;
2284
2285 while (root_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)
2286 root_sink = root_sink->input_to_master->sink;
2287
2288 set_shared_volume_within_thread(root_sink);
2289 return 0;
2290 }
2291
2292 case PA_SINK_MESSAGE_SET_VOLUME_SYNCED:
2293
2294 if (s->flags & PA_SINK_SYNC_VOLUME) {
2295 s->set_volume(s);
2296 pa_sink_volume_change_push(s);
2297 }
2298 /* Fall through ... */
2299
2300 case PA_SINK_MESSAGE_SET_VOLUME:
2301
2302 if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
2303 s->thread_info.soft_volume = s->soft_volume;
2304 pa_sink_request_rewind(s, (size_t) -1);
2305 }
2306
2307 /* Fall through ... */
2308
2309 case PA_SINK_MESSAGE_SYNC_VOLUMES:
2310 sync_input_volumes_within_thread(s);
2311 return 0;
2312
2313 case PA_SINK_MESSAGE_GET_VOLUME:
2314
2315 if ((s->flags & PA_SINK_SYNC_VOLUME) && s->get_volume) {
2316 s->get_volume(s);
2317 pa_sink_volume_change_flush(s);
2318 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
2319 }
2320
2321 /* In case sink implementor reset SW volume. */
2322 if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
2323 s->thread_info.soft_volume = s->soft_volume;
2324 pa_sink_request_rewind(s, (size_t) -1);
2325 }
2326
2327 return 0;
2328
2329 case PA_SINK_MESSAGE_SET_MUTE:
2330
2331 if (s->thread_info.soft_muted != s->muted) {
2332 s->thread_info.soft_muted = s->muted;
2333 pa_sink_request_rewind(s, (size_t) -1);
2334 }
2335
2336 if (s->flags & PA_SINK_SYNC_VOLUME && s->set_mute)
2337 s->set_mute(s);
2338
2339 return 0;
2340
2341 case PA_SINK_MESSAGE_GET_MUTE:
2342
2343 if (s->flags & PA_SINK_SYNC_VOLUME && s->get_mute)
2344 s->get_mute(s);
2345
2346 return 0;
2347
2348 case PA_SINK_MESSAGE_SET_STATE: {
2349
2350 pa_bool_t suspend_change =
2351 (s->thread_info.state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(PA_PTR_TO_UINT(userdata))) ||
2352 (PA_SINK_IS_OPENED(s->thread_info.state) && PA_PTR_TO_UINT(userdata) == PA_SINK_SUSPENDED);
2353
2354 s->thread_info.state = PA_PTR_TO_UINT(userdata);
2355
2356 if (s->thread_info.state == PA_SINK_SUSPENDED) {
2357 s->thread_info.rewind_nbytes = 0;
2358 s->thread_info.rewind_requested = FALSE;
2359 }
2360
2361 if (suspend_change) {
2362 pa_sink_input *i;
2363 void *state = NULL;
2364
2365 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
2366 if (i->suspend_within_thread)
2367 i->suspend_within_thread(i, s->thread_info.state == PA_SINK_SUSPENDED);
2368 }
2369
2370 return 0;
2371 }
2372
2373 case PA_SINK_MESSAGE_DETACH:
2374
2375 /* Detach all streams */
2376 pa_sink_detach_within_thread(s);
2377 return 0;
2378
2379 case PA_SINK_MESSAGE_ATTACH:
2380
2381 /* Reattach all streams */
2382 pa_sink_attach_within_thread(s);
2383 return 0;
2384
2385 case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY: {
2386
2387 pa_usec_t *usec = userdata;
2388 *usec = pa_sink_get_requested_latency_within_thread(s);
2389
2390 /* Yes, that's right, the IO thread will see -1 when no
2391 * explicit requested latency is configured, the main
2392 * thread will see max_latency */
2393 if (*usec == (pa_usec_t) -1)
2394 *usec = s->thread_info.max_latency;
2395
2396 return 0;
2397 }
2398
2399 case PA_SINK_MESSAGE_SET_LATENCY_RANGE: {
2400 pa_usec_t *r = userdata;
2401
2402 pa_sink_set_latency_range_within_thread(s, r[0], r[1]);
2403
2404 return 0;
2405 }
2406
2407 case PA_SINK_MESSAGE_GET_LATENCY_RANGE: {
2408 pa_usec_t *r = userdata;
2409
2410 r[0] = s->thread_info.min_latency;
2411 r[1] = s->thread_info.max_latency;
2412
2413 return 0;
2414 }
2415
2416 case PA_SINK_MESSAGE_GET_FIXED_LATENCY:
2417
2418 *((pa_usec_t*) userdata) = s->thread_info.fixed_latency;
2419 return 0;
2420
2421 case PA_SINK_MESSAGE_SET_FIXED_LATENCY:
2422
2423 pa_sink_set_fixed_latency_within_thread(s, (pa_usec_t) offset);
2424 return 0;
2425
2426 case PA_SINK_MESSAGE_GET_MAX_REWIND:
2427
2428 *((size_t*) userdata) = s->thread_info.max_rewind;
2429 return 0;
2430
2431 case PA_SINK_MESSAGE_GET_MAX_REQUEST:
2432
2433 *((size_t*) userdata) = s->thread_info.max_request;
2434 return 0;
2435
2436 case PA_SINK_MESSAGE_SET_MAX_REWIND:
2437
2438 pa_sink_set_max_rewind_within_thread(s, (size_t) offset);
2439 return 0;
2440
2441 case PA_SINK_MESSAGE_SET_MAX_REQUEST:
2442
2443 pa_sink_set_max_request_within_thread(s, (size_t) offset);
2444 return 0;
2445
2446 case PA_SINK_MESSAGE_SET_PORT:
2447
2448 pa_assert(userdata);
2449 if (s->set_port) {
2450 struct sink_message_set_port *msg_data = userdata;
2451 msg_data->ret = s->set_port(s, msg_data->port);
2452 }
2453 return 0;
2454
2455 case PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE:
2456 /* This message is sent from IO-thread and handled in main thread. */
2457 pa_assert_ctl_context();
2458
2459 pa_sink_get_volume(s, TRUE);
2460 pa_sink_get_mute(s, TRUE);
2461 return 0;
2462
2463 case PA_SINK_MESSAGE_GET_LATENCY:
2464 case PA_SINK_MESSAGE_MAX:
2465 ;
2466 }
2467
2468 return -1;
2469 }
2470
2471 /* Called from main thread */
2472 int pa_sink_suspend_all(pa_core *c, pa_bool_t suspend, pa_suspend_cause_t cause) {
2473 pa_sink *sink;
2474 uint32_t idx;
2475 int ret = 0;
2476
2477 pa_core_assert_ref(c);
2478 pa_assert_ctl_context();
2479 pa_assert(cause != 0);
2480
2481 PA_IDXSET_FOREACH(sink, c->sinks, idx) {
2482 int r;
2483
2484 if ((r = pa_sink_suspend(sink, suspend, cause)) < 0)
2485 ret = r;
2486 }
2487
2488 return ret;
2489 }
2490
2491 /* Called from main thread */
2492 void pa_sink_detach(pa_sink *s) {
2493 pa_sink_assert_ref(s);
2494 pa_assert_ctl_context();
2495 pa_assert(PA_SINK_IS_LINKED(s->state));
2496
2497 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_DETACH, NULL, 0, NULL) == 0);
2498 }
2499
2500 /* Called from main thread */
2501 void pa_sink_attach(pa_sink *s) {
2502 pa_sink_assert_ref(s);
2503 pa_assert_ctl_context();
2504 pa_assert(PA_SINK_IS_LINKED(s->state));
2505
2506 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_ATTACH, NULL, 0, NULL) == 0);
2507 }
2508
2509 /* Called from IO thread */
2510 void pa_sink_detach_within_thread(pa_sink *s) {
2511 pa_sink_input *i;
2512 void *state = NULL;
2513
2514 pa_sink_assert_ref(s);
2515 pa_sink_assert_io_context(s);
2516 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
2517
2518 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2519 if (i->detach)
2520 i->detach(i);
2521
2522 if (s->monitor_source)
2523 pa_source_detach_within_thread(s->monitor_source);
2524 }
2525
2526 /* Called from IO thread */
2527 void pa_sink_attach_within_thread(pa_sink *s) {
2528 pa_sink_input *i;
2529 void *state = NULL;
2530
2531 pa_sink_assert_ref(s);
2532 pa_sink_assert_io_context(s);
2533 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
2534
2535 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2536 if (i->attach)
2537 i->attach(i);
2538
2539 if (s->monitor_source)
2540 pa_source_attach_within_thread(s->monitor_source);
2541 }
2542
2543 /* Called from IO thread */
2544 void pa_sink_request_rewind(pa_sink*s, size_t nbytes) {
2545 pa_sink_assert_ref(s);
2546 pa_sink_assert_io_context(s);
2547 pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
2548
2549 if (s->thread_info.state == PA_SINK_SUSPENDED)
2550 return;
2551
2552 if (nbytes == (size_t) -1)
2553 nbytes = s->thread_info.max_rewind;
2554
2555 nbytes = PA_MIN(nbytes, s->thread_info.max_rewind);
2556
2557 if (s->thread_info.rewind_requested &&
2558 nbytes <= s->thread_info.rewind_nbytes)
2559 return;
2560
2561 s->thread_info.rewind_nbytes = nbytes;
2562 s->thread_info.rewind_requested = TRUE;
2563
2564 if (s->request_rewind)
2565 s->request_rewind(s);
2566 }
2567
2568 /* Called from IO thread */
2569 pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) {
2570 pa_usec_t result = (pa_usec_t) -1;
2571 pa_sink_input *i;
2572 void *state = NULL;
2573 pa_usec_t monitor_latency;
2574
2575 pa_sink_assert_ref(s);
2576 pa_sink_assert_io_context(s);
2577
2578 if (!(s->flags & PA_SINK_DYNAMIC_LATENCY))
2579 return PA_CLAMP(s->thread_info.fixed_latency, s->thread_info.min_latency, s->thread_info.max_latency);
2580
2581 if (s->thread_info.requested_latency_valid)
2582 return s->thread_info.requested_latency;
2583
2584 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2585 if (i->thread_info.requested_sink_latency != (pa_usec_t) -1 &&
2586 (result == (pa_usec_t) -1 || result > i->thread_info.requested_sink_latency))
2587 result = i->thread_info.requested_sink_latency;
2588
2589 monitor_latency = pa_source_get_requested_latency_within_thread(s->monitor_source);
2590
2591 if (monitor_latency != (pa_usec_t) -1 &&
2592 (result == (pa_usec_t) -1 || result > monitor_latency))
2593 result = monitor_latency;
2594
2595 if (result != (pa_usec_t) -1)
2596 result = PA_CLAMP(result, s->thread_info.min_latency, s->thread_info.max_latency);
2597
2598 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
2599 /* Only cache if properly initialized */
2600 s->thread_info.requested_latency = result;
2601 s->thread_info.requested_latency_valid = TRUE;
2602 }
2603
2604 return result;
2605 }
2606
2607 /* Called from main thread */
2608 pa_usec_t pa_sink_get_requested_latency(pa_sink *s) {
2609 pa_usec_t usec = 0;
2610
2611 pa_sink_assert_ref(s);
2612 pa_assert_ctl_context();
2613 pa_assert(PA_SINK_IS_LINKED(s->state));
2614
2615 if (s->state == PA_SINK_SUSPENDED)
2616 return 0;
2617
2618 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
2619 return usec;
2620 }
2621
2622 /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
2623 void pa_sink_set_max_rewind_within_thread(pa_sink *s, size_t max_rewind) {
2624 pa_sink_input *i;
2625 void *state = NULL;
2626
2627 pa_sink_assert_ref(s);
2628 pa_sink_assert_io_context(s);
2629
2630 if (max_rewind == s->thread_info.max_rewind)
2631 return;
2632
2633 s->thread_info.max_rewind = max_rewind;
2634
2635 if (PA_SINK_IS_LINKED(s->thread_info.state))
2636 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2637 pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
2638
2639 if (s->monitor_source)
2640 pa_source_set_max_rewind_within_thread(s->monitor_source, s->thread_info.max_rewind);
2641 }
2642
2643 /* Called from main thread */
2644 void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind) {
2645 pa_sink_assert_ref(s);
2646 pa_assert_ctl_context();
2647
2648 if (PA_SINK_IS_LINKED(s->state))
2649 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MAX_REWIND, NULL, max_rewind, NULL) == 0);
2650 else
2651 pa_sink_set_max_rewind_within_thread(s, max_rewind);
2652 }
2653
2654 /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
2655 void pa_sink_set_max_request_within_thread(pa_sink *s, size_t max_request) {
2656 void *state = NULL;
2657
2658 pa_sink_assert_ref(s);
2659 pa_sink_assert_io_context(s);
2660
2661 if (max_request == s->thread_info.max_request)
2662 return;
2663
2664 s->thread_info.max_request = max_request;
2665
2666 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
2667 pa_sink_input *i;
2668
2669 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2670 pa_sink_input_update_max_request(i, s->thread_info.max_request);
2671 }
2672 }
2673
2674 /* Called from main thread */
2675 void pa_sink_set_max_request(pa_sink *s, size_t max_request) {
2676 pa_sink_assert_ref(s);
2677 pa_assert_ctl_context();
2678
2679 if (PA_SINK_IS_LINKED(s->state))
2680 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MAX_REQUEST, NULL, max_request, NULL) == 0);
2681 else
2682 pa_sink_set_max_request_within_thread(s, max_request);
2683 }
2684
2685 /* Called from IO thread */
2686 void pa_sink_invalidate_requested_latency(pa_sink *s, pa_bool_t dynamic) {
2687 pa_sink_input *i;
2688 void *state = NULL;
2689
2690 pa_sink_assert_ref(s);
2691 pa_sink_assert_io_context(s);
2692
2693 if ((s->flags & PA_SINK_DYNAMIC_LATENCY))
2694 s->thread_info.requested_latency_valid = FALSE;
2695 else if (dynamic)
2696 return;
2697
2698 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
2699
2700 if (s->update_requested_latency)
2701 s->update_requested_latency(s);
2702
2703 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2704 if (i->update_sink_requested_latency)
2705 i->update_sink_requested_latency(i);
2706 }
2707 }
2708
2709 /* Called from main thread */
2710 void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
2711 pa_sink_assert_ref(s);
2712 pa_assert_ctl_context();
2713
2714 /* min_latency == 0: no limit
2715 * min_latency anything else: specified limit
2716 *
2717 * Similar for max_latency */
2718
2719 if (min_latency < ABSOLUTE_MIN_LATENCY)
2720 min_latency = ABSOLUTE_MIN_LATENCY;
2721
2722 if (max_latency <= 0 ||
2723 max_latency > ABSOLUTE_MAX_LATENCY)
2724 max_latency = ABSOLUTE_MAX_LATENCY;
2725
2726 pa_assert(min_latency <= max_latency);
2727
2728 /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
2729 pa_assert((min_latency == ABSOLUTE_MIN_LATENCY &&
2730 max_latency == ABSOLUTE_MAX_LATENCY) ||
2731 (s->flags & PA_SINK_DYNAMIC_LATENCY));
2732
2733 if (PA_SINK_IS_LINKED(s->state)) {
2734 pa_usec_t r[2];
2735
2736 r[0] = min_latency;
2737 r[1] = max_latency;
2738
2739 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0);
2740 } else
2741 pa_sink_set_latency_range_within_thread(s, min_latency, max_latency);
2742 }
2743
2744 /* Called from main thread */
2745 void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
2746 pa_sink_assert_ref(s);
2747 pa_assert_ctl_context();
2748 pa_assert(min_latency);
2749 pa_assert(max_latency);
2750
2751 if (PA_SINK_IS_LINKED(s->state)) {
2752 pa_usec_t r[2] = { 0, 0 };
2753
2754 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
2755
2756 *min_latency = r[0];
2757 *max_latency = r[1];
2758 } else {
2759 *min_latency = s->thread_info.min_latency;
2760 *max_latency = s->thread_info.max_latency;
2761 }
2762 }
2763
2764 /* Called from IO thread */
2765 void pa_sink_set_latency_range_within_thread(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
2766 pa_sink_assert_ref(s);
2767 pa_sink_assert_io_context(s);
2768
2769 pa_assert(min_latency >= ABSOLUTE_MIN_LATENCY);
2770 pa_assert(max_latency <= ABSOLUTE_MAX_LATENCY);
2771 pa_assert(min_latency <= max_latency);
2772
2773 /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
2774 pa_assert((min_latency == ABSOLUTE_MIN_LATENCY &&
2775 max_latency == ABSOLUTE_MAX_LATENCY) ||
2776 (s->flags & PA_SINK_DYNAMIC_LATENCY));
2777
2778 if (s->thread_info.min_latency == min_latency &&
2779 s->thread_info.max_latency == max_latency)
2780 return;
2781
2782 s->thread_info.min_latency = min_latency;
2783 s->thread_info.max_latency = max_latency;
2784
2785 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
2786 pa_sink_input *i;
2787 void *state = NULL;
2788
2789 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2790 if (i->update_sink_latency_range)
2791 i->update_sink_latency_range(i);
2792 }
2793
2794 pa_sink_invalidate_requested_latency(s, FALSE);
2795
2796 pa_source_set_latency_range_within_thread(s->monitor_source, min_latency, max_latency);
2797 }
2798
2799 /* Called from main thread */
2800 void pa_sink_set_fixed_latency(pa_sink *s, pa_usec_t latency) {
2801 pa_sink_assert_ref(s);
2802 pa_assert_ctl_context();
2803
2804 if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
2805 pa_assert(latency == 0);
2806 return;
2807 }
2808
2809 if (latency < ABSOLUTE_MIN_LATENCY)
2810 latency = ABSOLUTE_MIN_LATENCY;
2811
2812 if (latency > ABSOLUTE_MAX_LATENCY)
2813 latency = ABSOLUTE_MAX_LATENCY;
2814
2815 if (PA_SINK_IS_LINKED(s->state))
2816 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_FIXED_LATENCY, NULL, (int64_t) latency, NULL) == 0);
2817 else
2818 s->thread_info.fixed_latency = latency;
2819
2820 pa_source_set_fixed_latency(s->monitor_source, latency);
2821 }
2822
2823 /* Called from main thread */
2824 pa_usec_t pa_sink_get_fixed_latency(pa_sink *s) {
2825 pa_usec_t latency;
2826
2827 pa_sink_assert_ref(s);
2828 pa_assert_ctl_context();
2829
2830 if (s->flags & PA_SINK_DYNAMIC_LATENCY)
2831 return 0;
2832
2833 if (PA_SINK_IS_LINKED(s->state))
2834 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_FIXED_LATENCY, &latency, 0, NULL) == 0);
2835 else
2836 latency = s->thread_info.fixed_latency;
2837
2838 return latency;
2839 }
2840
2841 /* Called from IO thread */
2842 void pa_sink_set_fixed_latency_within_thread(pa_sink *s, pa_usec_t latency) {
2843 pa_sink_assert_ref(s);
2844 pa_sink_assert_io_context(s);
2845
2846 if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
2847 pa_assert(latency == 0);
2848 return;
2849 }
2850
2851 pa_assert(latency >= ABSOLUTE_MIN_LATENCY);
2852 pa_assert(latency <= ABSOLUTE_MAX_LATENCY);
2853
2854 if (s->thread_info.fixed_latency == latency)
2855 return;
2856
2857 s->thread_info.fixed_latency = latency;
2858
2859 if (PA_SINK_IS_LINKED(s->thread_info.state)) {
2860 pa_sink_input *i;
2861 void *state = NULL;
2862
2863 PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
2864 if (i->update_sink_fixed_latency)
2865 i->update_sink_fixed_latency(i);
2866 }
2867
2868 pa_sink_invalidate_requested_latency(s, FALSE);
2869
2870 pa_source_set_fixed_latency_within_thread(s->monitor_source, latency);
2871 }
2872
2873 /* Called from main context */
2874 size_t pa_sink_get_max_rewind(pa_sink *s) {
2875 size_t r;
2876 pa_sink_assert_ref(s);
2877 pa_assert_ctl_context();
2878
2879 if (!PA_SINK_IS_LINKED(s->state))
2880 return s->thread_info.max_rewind;
2881
2882 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0);
2883
2884 return r;
2885 }
2886
2887 /* Called from main context */
2888 size_t pa_sink_get_max_request(pa_sink *s) {
2889 size_t r;
2890 pa_sink_assert_ref(s);
2891 pa_assert_ctl_context();
2892
2893 if (!PA_SINK_IS_LINKED(s->state))
2894 return s->thread_info.max_request;
2895
2896 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REQUEST, &r, 0, NULL) == 0);
2897
2898 return r;
2899 }
2900
2901 /* Called from main context */
2902 int pa_sink_set_port(pa_sink *s, const char *name, pa_bool_t save) {
2903 pa_device_port *port;
2904 int ret;
2905 pa_sink_assert_ref(s);
2906 pa_assert_ctl_context();
2907
2908 if (!s->set_port) {
2909 pa_log_debug("set_port() operation not implemented for sink %u \"%s\"", s->index, s->name);
2910 return -PA_ERR_NOTIMPLEMENTED;
2911 }
2912
2913 if (!s->ports)
2914 return -PA_ERR_NOENTITY;
2915
2916 if (!(port = pa_hashmap_get(s->ports, name)))
2917 return -PA_ERR_NOENTITY;
2918
2919 if (s->active_port == port) {
2920 s->save_port = s->save_port || save;
2921 return 0;
2922 }
2923
2924 if (s->flags & PA_SINK_SYNC_VOLUME) {
2925 struct sink_message_set_port msg = { .port = port, .ret = 0 };
2926 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT, &msg, 0, NULL) == 0);
2927 ret = msg.ret;
2928 }
2929 else
2930 ret = s->set_port(s, port);
2931
2932 if (ret < 0)
2933 return -PA_ERR_NOENTITY;
2934
2935 pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
2936
2937 pa_log_info("Changed port of sink %u \"%s\" to %s", s->index, s->name, port->name);
2938
2939 s->active_port = port;
2940 s->save_port = save;
2941
2942 pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PORT_CHANGED], s);
2943
2944 return 0;
2945 }
2946
2947 pa_bool_t pa_device_init_icon(pa_proplist *p, pa_bool_t is_sink) {
2948 const char *ff, *c, *t = NULL, *s = "", *profile, *bus;
2949
2950 pa_assert(p);
2951
2952 if (pa_proplist_contains(p, PA_PROP_DEVICE_ICON_NAME))
2953 return TRUE;
2954
2955 if ((ff = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
2956
2957 if (pa_streq(ff, "microphone"))
2958 t = "audio-input-microphone";
2959 else if (pa_streq(ff, "webcam"))
2960 t = "camera-web";
2961 else if (pa_streq(ff, "computer"))
2962 t = "computer";
2963 else if (pa_streq(ff, "handset"))
2964 t = "phone";
2965 else if (pa_streq(ff, "portable"))
2966 t = "multimedia-player";
2967 else if (pa_streq(ff, "tv"))
2968 t = "video-display";
2969
2970 /*
2971 * The following icons are not part of the icon naming spec,
2972 * because Rodney Dawes sucks as the maintainer of that spec.
2973 *
2974 * http://lists.freedesktop.org/archives/xdg/2009-May/010397.html
2975 */
2976 else if (pa_streq(ff, "headset"))
2977 t = "audio-headset";
2978 else if (pa_streq(ff, "headphone"))
2979 t = "audio-headphones";
2980 else if (pa_streq(ff, "speaker"))
2981 t = "audio-speakers";
2982 else if (pa_streq(ff, "hands-free"))
2983 t = "audio-handsfree";
2984 }
2985
2986 if (!t)
2987 if ((c = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
2988 if (pa_streq(c, "modem"))
2989 t = "modem";
2990
2991 if (!t) {
2992 if (is_sink)
2993 t = "audio-card";
2994 else
2995 t = "audio-input-microphone";
2996 }
2997
2998 if ((profile = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
2999 if (strstr(profile, "analog"))
3000 s = "-analog";
3001 else if (strstr(profile, "iec958"))
3002 s = "-iec958";
3003 else if (strstr(profile, "hdmi"))
3004 s = "-hdmi";
3005 }
3006
3007 bus = pa_proplist_gets(p, PA_PROP_DEVICE_BUS);
3008
3009 pa_proplist_setf(p, PA_PROP_DEVICE_ICON_NAME, "%s%s%s%s", t, pa_strempty(s), bus ? "-" : "", pa_strempty(bus));
3010
3011 return TRUE;
3012 }
3013
3014 pa_bool_t pa_device_init_description(pa_proplist *p) {
3015 const char *s, *d = NULL, *k;
3016 pa_assert(p);
3017
3018 if (pa_proplist_contains(p, PA_PROP_DEVICE_DESCRIPTION))
3019 return TRUE;
3020
3021 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
3022 if (pa_streq(s, "internal"))
3023 d = _("Internal Audio");
3024
3025 if (!d)
3026 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
3027 if (pa_streq(s, "modem"))
3028 d = _("Modem");
3029
3030 if (!d)
3031 d = pa_proplist_gets(p, PA_PROP_DEVICE_PRODUCT_NAME);
3032
3033 if (!d)
3034 return FALSE;
3035
3036 k = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_DESCRIPTION);
3037
3038 if (d && k)
3039 pa_proplist_setf(p, PA_PROP_DEVICE_DESCRIPTION, _("%s %s"), d, k);
3040 else if (d)
3041 pa_proplist_sets(p, PA_PROP_DEVICE_DESCRIPTION, d);
3042
3043 return TRUE;
3044 }
3045
3046 pa_bool_t pa_device_init_intended_roles(pa_proplist *p) {
3047 const char *s;
3048 pa_assert(p);
3049
3050 if (pa_proplist_contains(p, PA_PROP_DEVICE_INTENDED_ROLES))
3051 return TRUE;
3052
3053 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
3054 if (pa_streq(s, "handset") || pa_streq(s, "hands-free")
3055 || pa_streq(s, "headset")) {
3056 pa_proplist_sets(p, PA_PROP_DEVICE_INTENDED_ROLES, "phone");
3057 return TRUE;
3058 }
3059
3060 return FALSE;
3061 }
3062
3063 unsigned pa_device_init_priority(pa_proplist *p) {
3064 const char *s;
3065 unsigned priority = 0;
3066
3067 pa_assert(p);
3068
3069 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS))) {
3070
3071 if (pa_streq(s, "sound"))
3072 priority += 9000;
3073 else if (!pa_streq(s, "modem"))
3074 priority += 1000;
3075 }
3076
3077 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
3078
3079 if (pa_streq(s, "internal"))
3080 priority += 900;
3081 else if (pa_streq(s, "speaker"))
3082 priority += 500;
3083 else if (pa_streq(s, "headphone"))
3084 priority += 400;
3085 }
3086
3087 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_BUS))) {
3088
3089 if (pa_streq(s, "pci"))
3090 priority += 50;
3091 else if (pa_streq(s, "usb"))
3092 priority += 40;
3093 else if (pa_streq(s, "bluetooth"))
3094 priority += 30;
3095 }
3096
3097 if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
3098
3099 if (pa_startswith(s, "analog-"))
3100 priority += 9;
3101 else if (pa_startswith(s, "iec958-"))
3102 priority += 8;
3103 }
3104
3105 return priority;
3106 }
3107
3108 PA_STATIC_FLIST_DECLARE(pa_sink_volume_change, 0, pa_xfree);
3109
3110 /* Called from the IO thread. */
3111 static pa_sink_volume_change *pa_sink_volume_change_new(pa_sink *s) {
3112 pa_sink_volume_change *c;
3113 if (!(c = pa_flist_pop(PA_STATIC_FLIST_GET(pa_sink_volume_change))))
3114 c = pa_xnew(pa_sink_volume_change, 1);
3115
3116 PA_LLIST_INIT(pa_sink_volume_change, c);
3117 c->at = 0;
3118 pa_cvolume_reset(&c->hw_volume, s->sample_spec.channels);
3119 return c;
3120 }
3121
3122 /* Called from the IO thread. */
3123 static void pa_sink_volume_change_free(pa_sink_volume_change *c) {
3124 pa_assert(c);
3125 if (pa_flist_push(PA_STATIC_FLIST_GET(pa_sink_volume_change), c) < 0)
3126 pa_xfree(c);
3127 }
3128
3129 /* Called from the IO thread. */
3130 void pa_sink_volume_change_push(pa_sink *s) {
3131 pa_sink_volume_change *c = NULL;
3132 pa_sink_volume_change *nc = NULL;
3133 uint32_t safety_margin = s->thread_info.volume_change_safety_margin;
3134
3135 const char *direction = NULL;
3136
3137 pa_assert(s);
3138 nc = pa_sink_volume_change_new(s);
3139
3140 /* NOTE: There is already more different volumes in pa_sink that I can remember.
3141 * Adding one more volume for HW would get us rid of this, but I am trying
3142 * to survive with the ones we already have. */
3143 pa_sw_cvolume_divide(&nc->hw_volume, &s->real_volume, &s->soft_volume);
3144
3145 if (!s->thread_info.volume_changes && pa_cvolume_equal(&nc->hw_volume, &s->thread_info.current_hw_volume)) {
3146 pa_log_debug("Volume not changing");
3147 pa_sink_volume_change_free(nc);
3148 return;
3149 }
3150
3151 nc->at = pa_sink_get_latency_within_thread(s);
3152 nc->at += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
3153
3154 if (s->thread_info.volume_changes_tail) {
3155 for (c = s->thread_info.volume_changes_tail; c; c = c->prev) {
3156 /* If volume is going up let's do it a bit late. If it is going
3157 * down let's do it a bit early. */
3158 if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&c->hw_volume)) {
3159 if (nc->at + safety_margin > c->at) {
3160 nc->at += safety_margin;
3161 direction = "up";
3162 break;
3163 }
3164 }
3165 else if (nc->at - safety_margin > c->at) {
3166 nc->at -= safety_margin;
3167 direction = "down";
3168 break;
3169 }
3170 }
3171 }
3172
3173 if (c == NULL) {
3174 if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&s->thread_info.current_hw_volume)) {
3175 nc->at += safety_margin;
3176 direction = "up";
3177 } else {
3178 nc->at -= safety_margin;
3179 direction = "down";
3180 }
3181 PA_LLIST_PREPEND(pa_sink_volume_change, s->thread_info.volume_changes, nc);
3182 }
3183 else {
3184 PA_LLIST_INSERT_AFTER(pa_sink_volume_change, s->thread_info.volume_changes, c, nc);
3185 }
3186
3187 pa_log_debug("Volume going %s to %d at %llu", direction, pa_cvolume_avg(&nc->hw_volume), (long long unsigned) nc->at);
3188
3189 /* We can ignore volume events that came earlier but should happen later than this. */
3190 PA_LLIST_FOREACH(c, nc->next) {
3191 pa_log_debug("Volume change to %d at %llu was dropped", pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at);
3192 pa_sink_volume_change_free(c);
3193 }
3194 nc->next = NULL;
3195 s->thread_info.volume_changes_tail = nc;
3196 }
3197
3198 /* Called from the IO thread. */
3199 static void pa_sink_volume_change_flush(pa_sink *s) {
3200 pa_sink_volume_change *c = s->thread_info.volume_changes;
3201 pa_assert(s);
3202 s->thread_info.volume_changes = NULL;
3203 s->thread_info.volume_changes_tail = NULL;
3204 while (c) {
3205 pa_sink_volume_change *next = c->next;
3206 pa_sink_volume_change_free(c);
3207 c = next;
3208 }
3209 }
3210
3211 /* Called from the IO thread. */
3212 pa_bool_t pa_sink_volume_change_apply(pa_sink *s, pa_usec_t *usec_to_next) {
3213 pa_usec_t now = pa_rtclock_now();
3214 pa_bool_t ret = FALSE;
3215
3216 pa_assert(s);
3217 pa_assert(s->write_volume);
3218
3219 while (s->thread_info.volume_changes && now >= s->thread_info.volume_changes->at) {
3220 pa_sink_volume_change *c = s->thread_info.volume_changes;
3221 PA_LLIST_REMOVE(pa_sink_volume_change, s->thread_info.volume_changes, c);
3222 pa_log_debug("Volume change to %d at %llu was written %llu usec late",
3223 pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at, (long long unsigned) (now - c->at));
3224 ret = TRUE;
3225 s->thread_info.current_hw_volume = c->hw_volume;
3226 pa_sink_volume_change_free(c);
3227 }
3228
3229 if (s->write_volume && ret)
3230 s->write_volume(s);
3231
3232 if (s->thread_info.volume_changes) {
3233 if (usec_to_next)
3234 *usec_to_next = s->thread_info.volume_changes->at - now;
3235 if (pa_log_ratelimit(PA_LOG_DEBUG))
3236 pa_log_debug("Next volume change in %lld usec", (long long) (s->thread_info.volume_changes->at - now));
3237 }
3238 else {
3239 if (usec_to_next)
3240 *usec_to_next = 0;
3241 s->thread_info.volume_changes_tail = NULL;
3242 }
3243 return ret;
3244 }
3245
3246 /* Called from the IO thread. */
3247 static void pa_sink_volume_change_rewind(pa_sink *s, size_t nbytes) {
3248 /* All the queued volume events later than current latency are shifted to happen earlier. */
3249 pa_sink_volume_change *c;
3250 pa_volume_t prev_vol = pa_cvolume_avg(&s->thread_info.current_hw_volume);
3251 pa_usec_t rewound = pa_bytes_to_usec(nbytes, &s->sample_spec);
3252 pa_usec_t limit = pa_sink_get_latency_within_thread(s);
3253
3254 pa_log_debug("latency = %lld", (long long) limit);
3255 limit += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
3256
3257 PA_LLIST_FOREACH(c, s->thread_info.volume_changes) {
3258 pa_usec_t modified_limit = limit;
3259 if (prev_vol > pa_cvolume_avg(&c->hw_volume))
3260 modified_limit -= s->thread_info.volume_change_safety_margin;
3261 else
3262 modified_limit += s->thread_info.volume_change_safety_margin;
3263 if (c->at > modified_limit) {
3264 c->at -= rewound;
3265 if (c->at < modified_limit)
3266 c->at = modified_limit;
3267 }
3268 prev_vol = pa_cvolume_avg(&c->hw_volume);
3269 }
3270 pa_sink_volume_change_apply(s, NULL);
3271 }
3272
3273 /* Called from the main thread */
3274 /* Gets the list of formats supported by the sink. The members and idxset must
3275 * be freed by the caller. */
3276 pa_idxset* pa_sink_get_formats(pa_sink *s) {
3277 pa_idxset *ret;
3278
3279 pa_assert(s);
3280
3281 if (s->get_formats) {
3282 /* Sink supports format query, all is good */
3283 ret = s->get_formats(s);
3284 } else {
3285 /* Sink doesn't support format query, so assume it does PCM */
3286 pa_format_info *f = pa_format_info_new();
3287 f->encoding = PA_ENCODING_PCM;
3288
3289 ret = pa_idxset_new(NULL, NULL);
3290 pa_idxset_put(ret, f, NULL);
3291 }
3292
3293 return ret;
3294 }
3295
3296 /* Called from the main thread */
3297 /* Checks if the sink can accept this format */
3298 pa_bool_t pa_sink_check_format(pa_sink *s, pa_format_info *f)
3299 {
3300 pa_idxset *formats = NULL;
3301 pa_bool_t ret = FALSE;
3302
3303 pa_assert(s);
3304 pa_assert(f);
3305
3306 formats = pa_sink_get_formats(s);
3307
3308 if (formats) {
3309 pa_format_info *finfo_device;
3310 uint32_t i;
3311
3312 PA_IDXSET_FOREACH(finfo_device, formats, i) {
3313 if (pa_format_info_is_compatible(finfo_device, f)) {
3314 ret = TRUE;
3315 break;
3316 }
3317 }
3318
3319 pa_idxset_free(formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
3320 }
3321
3322 return ret;
3323 }
3324
3325 /* Called from the main thread */
3326 /* Calculates the intersection between formats supported by the sink and
3327 * in_formats, and returns these, in the order of the sink's formats. */
3328 pa_idxset* pa_sink_check_formats(pa_sink *s, pa_idxset *in_formats) {
3329 pa_idxset *out_formats = pa_idxset_new(NULL, NULL), *sink_formats = NULL;
3330 pa_format_info *f_sink, *f_in;
3331 uint32_t i, j;
3332
3333 pa_assert(s);
3334
3335 if (!in_formats || pa_idxset_isempty(in_formats))
3336 goto done;
3337
3338 sink_formats = pa_sink_get_formats(s);
3339
3340 PA_IDXSET_FOREACH(f_sink, sink_formats, i) {
3341 PA_IDXSET_FOREACH(f_in, in_formats, j) {
3342 if (pa_format_info_is_compatible(f_sink, f_in))
3343 pa_idxset_put(out_formats, pa_format_info_copy(f_in), NULL);
3344 }
3345 }
3346
3347 done:
3348 if (sink_formats)
3349 pa_idxset_free(sink_formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
3350
3351 return out_formats;
3352 }
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