2 This file is part of PulseAudio.
4 Copyright 2004-2006 Lennart Poettering
5 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
7 PulseAudio is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as published
9 by the Free Software Foundation; either version 2.1 of the License,
10 or (at your option) any later version.
12 PulseAudio is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with PulseAudio; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
31 #include <pulse/introspect.h>
32 #include <pulse/format.h>
33 #include <pulse/utf8.h>
34 #include <pulse/xmalloc.h>
35 #include <pulse/timeval.h>
36 #include <pulse/util.h>
37 #include <pulse/rtclock.h>
38 #include <pulse/internal.h>
40 #include <pulsecore/i18n.h>
41 #include <pulsecore/sink-input.h>
42 #include <pulsecore/namereg.h>
43 #include <pulsecore/core-util.h>
44 #include <pulsecore/sample-util.h>
45 #include <pulsecore/core-subscribe.h>
46 #include <pulsecore/log.h>
47 #include <pulsecore/macro.h>
48 #include <pulsecore/play-memblockq.h>
49 #include <pulsecore/flist.h>
53 #define MAX_MIX_CHANNELS 32
54 #define MIX_BUFFER_LENGTH (PA_PAGE_SIZE)
55 #define ABSOLUTE_MIN_LATENCY (500)
56 #define ABSOLUTE_MAX_LATENCY (10*PA_USEC_PER_SEC)
57 #define DEFAULT_FIXED_LATENCY (250*PA_USEC_PER_MSEC)
59 PA_DEFINE_PUBLIC_CLASS(pa_sink
, pa_msgobject
);
61 struct pa_sink_volume_change
{
65 PA_LLIST_FIELDS(pa_sink_volume_change
);
68 struct sink_message_set_port
{
73 static void sink_free(pa_object
*s
);
75 static void pa_sink_volume_change_push(pa_sink
*s
);
76 static void pa_sink_volume_change_flush(pa_sink
*s
);
77 static void pa_sink_volume_change_rewind(pa_sink
*s
, size_t nbytes
);
79 pa_sink_new_data
* pa_sink_new_data_init(pa_sink_new_data
*data
) {
83 data
->proplist
= pa_proplist_new();
88 void pa_sink_new_data_set_name(pa_sink_new_data
*data
, const char *name
) {
92 data
->name
= pa_xstrdup(name
);
95 void pa_sink_new_data_set_sample_spec(pa_sink_new_data
*data
, const pa_sample_spec
*spec
) {
98 if ((data
->sample_spec_is_set
= !!spec
))
99 data
->sample_spec
= *spec
;
102 void pa_sink_new_data_set_channel_map(pa_sink_new_data
*data
, const pa_channel_map
*map
) {
105 if ((data
->channel_map_is_set
= !!map
))
106 data
->channel_map
= *map
;
109 void pa_sink_new_data_set_alternate_sample_rate(pa_sink_new_data
*data
, const uint32_t alternate_sample_rate
) {
112 data
->alternate_sample_rate_is_set
= TRUE
;
113 data
->alternate_sample_rate
= alternate_sample_rate
;
116 void pa_sink_new_data_set_volume(pa_sink_new_data
*data
, const pa_cvolume
*volume
) {
119 if ((data
->volume_is_set
= !!volume
))
120 data
->volume
= *volume
;
123 void pa_sink_new_data_set_muted(pa_sink_new_data
*data
, pa_bool_t mute
) {
126 data
->muted_is_set
= TRUE
;
127 data
->muted
= !!mute
;
130 void pa_sink_new_data_set_port(pa_sink_new_data
*data
, const char *port
) {
133 pa_xfree(data
->active_port
);
134 data
->active_port
= pa_xstrdup(port
);
137 void pa_sink_new_data_done(pa_sink_new_data
*data
) {
140 pa_proplist_free(data
->proplist
);
145 while ((p
= pa_hashmap_steal_first(data
->ports
)))
146 pa_device_port_free(p
);
148 pa_hashmap_free(data
->ports
, NULL
, NULL
);
151 pa_xfree(data
->name
);
152 pa_xfree(data
->active_port
);
155 pa_device_port
*pa_device_port_new(const char *name
, const char *description
, size_t extra
) {
160 p
= pa_xmalloc(PA_ALIGN(sizeof(pa_device_port
)) + extra
);
161 p
->name
= pa_xstrdup(name
);
162 p
->description
= pa_xstrdup(description
);
169 void pa_device_port_free(pa_device_port
*p
) {
173 pa_xfree(p
->description
);
177 /* Called from main context */
178 static void reset_callbacks(pa_sink
*s
) {
182 s
->get_volume
= NULL
;
183 s
->set_volume
= NULL
;
184 s
->write_volume
= NULL
;
187 s
->request_rewind
= NULL
;
188 s
->update_requested_latency
= NULL
;
190 s
->get_formats
= NULL
;
191 s
->set_formats
= NULL
;
192 s
->update_rate
= NULL
;
195 /* Called from main context */
196 pa_sink
* pa_sink_new(
198 pa_sink_new_data
*data
,
199 pa_sink_flags_t flags
) {
203 char st
[PA_SAMPLE_SPEC_SNPRINT_MAX
], cm
[PA_CHANNEL_MAP_SNPRINT_MAX
];
204 pa_source_new_data source_data
;
210 pa_assert(data
->name
);
211 pa_assert_ctl_context();
213 s
= pa_msgobject_new(pa_sink
);
215 if (!(name
= pa_namereg_register(core
, data
->name
, PA_NAMEREG_SINK
, s
, data
->namereg_fail
))) {
216 pa_log_debug("Failed to register name %s.", data
->name
);
221 pa_sink_new_data_set_name(data
, name
);
223 if (pa_hook_fire(&core
->hooks
[PA_CORE_HOOK_SINK_NEW
], data
) < 0) {
225 pa_namereg_unregister(core
, name
);
229 /* FIXME, need to free s here on failure */
231 pa_return_null_if_fail(!data
->driver
|| pa_utf8_valid(data
->driver
));
232 pa_return_null_if_fail(data
->name
&& pa_utf8_valid(data
->name
) && data
->name
[0]);
234 pa_return_null_if_fail(data
->sample_spec_is_set
&& pa_sample_spec_valid(&data
->sample_spec
));
236 if (!data
->channel_map_is_set
)
237 pa_return_null_if_fail(pa_channel_map_init_auto(&data
->channel_map
, data
->sample_spec
.channels
, PA_CHANNEL_MAP_DEFAULT
));
239 pa_return_null_if_fail(pa_channel_map_valid(&data
->channel_map
));
240 pa_return_null_if_fail(data
->channel_map
.channels
== data
->sample_spec
.channels
);
242 /* FIXME: There should probably be a general function for checking whether
243 * the sink volume is allowed to be set, like there is for sink inputs. */
244 pa_assert(!data
->volume_is_set
|| !(flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
));
246 if (!data
->volume_is_set
) {
247 pa_cvolume_reset(&data
->volume
, data
->sample_spec
.channels
);
248 data
->save_volume
= FALSE
;
251 pa_return_null_if_fail(pa_cvolume_valid(&data
->volume
));
252 pa_return_null_if_fail(pa_cvolume_compatible(&data
->volume
, &data
->sample_spec
));
254 if (!data
->muted_is_set
)
258 pa_proplist_update(data
->proplist
, PA_UPDATE_MERGE
, data
->card
->proplist
);
260 pa_device_init_description(data
->proplist
);
261 pa_device_init_icon(data
->proplist
, TRUE
);
262 pa_device_init_intended_roles(data
->proplist
);
264 if (pa_hook_fire(&core
->hooks
[PA_CORE_HOOK_SINK_FIXATE
], data
) < 0) {
266 pa_namereg_unregister(core
, name
);
270 s
->parent
.parent
.free
= sink_free
;
271 s
->parent
.process_msg
= pa_sink_process_msg
;
274 s
->state
= PA_SINK_INIT
;
277 s
->suspend_cause
= 0;
278 s
->name
= pa_xstrdup(name
);
279 s
->proplist
= pa_proplist_copy(data
->proplist
);
280 s
->driver
= pa_xstrdup(pa_path_get_filename(data
->driver
));
281 s
->module
= data
->module
;
282 s
->card
= data
->card
;
284 s
->priority
= pa_device_init_priority(s
->proplist
);
286 s
->sample_spec
= data
->sample_spec
;
287 s
->channel_map
= data
->channel_map
;
288 if (data
->alternate_sample_rate_is_set
)
289 s
->alternate_sample_rate
= data
->alternate_sample_rate
;
291 s
->alternate_sample_rate
= s
->core
->alternate_sample_rate
;
292 s
->default_sample_rate
= s
->sample_spec
.rate
;
294 s
->inputs
= pa_idxset_new(NULL
, NULL
);
296 s
->input_to_master
= NULL
;
298 s
->reference_volume
= s
->real_volume
= data
->volume
;
299 pa_cvolume_reset(&s
->soft_volume
, s
->sample_spec
.channels
);
300 s
->base_volume
= PA_VOLUME_NORM
;
301 s
->n_volume_steps
= PA_VOLUME_NORM
+1;
302 s
->muted
= data
->muted
;
303 s
->refresh_volume
= s
->refresh_muted
= FALSE
;
310 /* As a minor optimization we just steal the list instead of
312 s
->ports
= data
->ports
;
315 s
->active_port
= NULL
;
316 s
->save_port
= FALSE
;
318 if (data
->active_port
&& s
->ports
)
319 if ((s
->active_port
= pa_hashmap_get(s
->ports
, data
->active_port
)))
320 s
->save_port
= data
->save_port
;
322 if (!s
->active_port
&& s
->ports
) {
326 PA_HASHMAP_FOREACH(p
, s
->ports
, state
)
327 if (!s
->active_port
|| p
->priority
> s
->active_port
->priority
)
331 s
->save_volume
= data
->save_volume
;
332 s
->save_muted
= data
->save_muted
;
334 pa_silence_memchunk_get(
335 &core
->silence_cache
,
341 s
->thread_info
.rtpoll
= NULL
;
342 s
->thread_info
.inputs
= pa_hashmap_new(pa_idxset_trivial_hash_func
, pa_idxset_trivial_compare_func
);
343 s
->thread_info
.soft_volume
= s
->soft_volume
;
344 s
->thread_info
.soft_muted
= s
->muted
;
345 s
->thread_info
.state
= s
->state
;
346 s
->thread_info
.rewind_nbytes
= 0;
347 s
->thread_info
.rewind_requested
= FALSE
;
348 s
->thread_info
.max_rewind
= 0;
349 s
->thread_info
.max_request
= 0;
350 s
->thread_info
.requested_latency_valid
= FALSE
;
351 s
->thread_info
.requested_latency
= 0;
352 s
->thread_info
.min_latency
= ABSOLUTE_MIN_LATENCY
;
353 s
->thread_info
.max_latency
= ABSOLUTE_MAX_LATENCY
;
354 s
->thread_info
.fixed_latency
= flags
& PA_SINK_DYNAMIC_LATENCY
? 0 : DEFAULT_FIXED_LATENCY
;
356 PA_LLIST_HEAD_INIT(pa_sink_volume_change
, s
->thread_info
.volume_changes
);
357 s
->thread_info
.volume_changes_tail
= NULL
;
358 pa_sw_cvolume_multiply(&s
->thread_info
.current_hw_volume
, &s
->soft_volume
, &s
->real_volume
);
359 s
->thread_info
.volume_change_safety_margin
= core
->deferred_volume_safety_margin_usec
;
360 s
->thread_info
.volume_change_extra_delay
= core
->deferred_volume_extra_delay_usec
;
362 /* FIXME: This should probably be moved to pa_sink_put() */
363 pa_assert_se(pa_idxset_put(core
->sinks
, s
, &s
->index
) >= 0);
366 pa_assert_se(pa_idxset_put(s
->card
->sinks
, s
, NULL
) >= 0);
368 pt
= pa_proplist_to_string_sep(s
->proplist
, "\n ");
369 pa_log_info("Created sink %u \"%s\" with sample spec %s and channel map %s\n %s",
372 pa_sample_spec_snprint(st
, sizeof(st
), &s
->sample_spec
),
373 pa_channel_map_snprint(cm
, sizeof(cm
), &s
->channel_map
),
377 pa_source_new_data_init(&source_data
);
378 pa_source_new_data_set_sample_spec(&source_data
, &s
->sample_spec
);
379 pa_source_new_data_set_channel_map(&source_data
, &s
->channel_map
);
380 pa_source_new_data_set_alternate_sample_rate(&source_data
, s
->alternate_sample_rate
);
381 source_data
.name
= pa_sprintf_malloc("%s.monitor", name
);
382 source_data
.driver
= data
->driver
;
383 source_data
.module
= data
->module
;
384 source_data
.card
= data
->card
;
386 dn
= pa_proplist_gets(s
->proplist
, PA_PROP_DEVICE_DESCRIPTION
);
387 pa_proplist_setf(source_data
.proplist
, PA_PROP_DEVICE_DESCRIPTION
, "Monitor of %s", dn
? dn
: s
->name
);
388 pa_proplist_sets(source_data
.proplist
, PA_PROP_DEVICE_CLASS
, "monitor");
390 s
->monitor_source
= pa_source_new(core
, &source_data
,
391 ((flags
& PA_SINK_LATENCY
) ? PA_SOURCE_LATENCY
: 0) |
392 ((flags
& PA_SINK_DYNAMIC_LATENCY
) ? PA_SOURCE_DYNAMIC_LATENCY
: 0));
394 pa_source_new_data_done(&source_data
);
396 if (!s
->monitor_source
) {
402 s
->monitor_source
->monitor_of
= s
;
404 pa_source_set_latency_range(s
->monitor_source
, s
->thread_info
.min_latency
, s
->thread_info
.max_latency
);
405 pa_source_set_fixed_latency(s
->monitor_source
, s
->thread_info
.fixed_latency
);
406 pa_source_set_max_rewind(s
->monitor_source
, s
->thread_info
.max_rewind
);
411 /* Called from main context */
412 static int sink_set_state(pa_sink
*s
, pa_sink_state_t state
) {
414 pa_bool_t suspend_change
;
415 pa_sink_state_t original_state
;
418 pa_assert_ctl_context();
420 if (s
->state
== state
)
423 original_state
= s
->state
;
426 (original_state
== PA_SINK_SUSPENDED
&& PA_SINK_IS_OPENED(state
)) ||
427 (PA_SINK_IS_OPENED(original_state
) && state
== PA_SINK_SUSPENDED
);
430 if ((ret
= s
->set_state(s
, state
)) < 0)
434 if ((ret
= pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_SET_STATE
, PA_UINT_TO_PTR(state
), 0, NULL
)) < 0) {
437 s
->set_state(s
, original_state
);
444 if (state
!= PA_SINK_UNLINKED
) { /* if we enter UNLINKED state pa_sink_unlink() will fire the appropriate events */
445 pa_hook_fire(&s
->core
->hooks
[PA_CORE_HOOK_SINK_STATE_CHANGED
], s
);
446 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
| PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
449 if (suspend_change
) {
453 /* We're suspending or resuming, tell everyone about it */
455 PA_IDXSET_FOREACH(i
, s
->inputs
, idx
)
456 if (s
->state
== PA_SINK_SUSPENDED
&&
457 (i
->flags
& PA_SINK_INPUT_KILL_ON_SUSPEND
))
458 pa_sink_input_kill(i
);
460 i
->suspend(i
, state
== PA_SINK_SUSPENDED
);
462 if (s
->monitor_source
)
463 pa_source_sync_suspend(s
->monitor_source
);
469 void pa_sink_set_get_volume_callback(pa_sink
*s
, pa_sink_cb_t cb
) {
475 void pa_sink_set_set_volume_callback(pa_sink
*s
, pa_sink_cb_t cb
) {
476 pa_sink_flags_t flags
;
479 pa_assert(!s
->write_volume
|| cb
);
483 /* Save the current flags so we can tell if they've changed */
487 /* The sink implementor is responsible for setting decibel volume support */
488 s
->flags
|= PA_SINK_HW_VOLUME_CTRL
;
490 s
->flags
&= ~PA_SINK_HW_VOLUME_CTRL
;
491 /* See note below in pa_sink_put() about volume sharing and decibel volumes */
492 pa_sink_enable_decibel_volume(s
, !(s
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
));
495 /* If the flags have changed after init, let any clients know via a change event */
496 if (s
->state
!= PA_SINK_INIT
&& flags
!= s
->flags
)
497 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
500 void pa_sink_set_write_volume_callback(pa_sink
*s
, pa_sink_cb_t cb
) {
501 pa_sink_flags_t flags
;
504 pa_assert(!cb
|| s
->set_volume
);
506 s
->write_volume
= cb
;
508 /* Save the current flags so we can tell if they've changed */
512 s
->flags
|= PA_SINK_DEFERRED_VOLUME
;
514 s
->flags
&= ~PA_SINK_DEFERRED_VOLUME
;
516 /* If the flags have changed after init, let any clients know via a change event */
517 if (s
->state
!= PA_SINK_INIT
&& flags
!= s
->flags
)
518 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
521 void pa_sink_set_get_mute_callback(pa_sink
*s
, pa_sink_cb_t cb
) {
527 void pa_sink_set_set_mute_callback(pa_sink
*s
, pa_sink_cb_t cb
) {
528 pa_sink_flags_t flags
;
534 /* Save the current flags so we can tell if they've changed */
538 s
->flags
|= PA_SINK_HW_MUTE_CTRL
;
540 s
->flags
&= ~PA_SINK_HW_MUTE_CTRL
;
542 /* If the flags have changed after init, let any clients know via a change event */
543 if (s
->state
!= PA_SINK_INIT
&& flags
!= s
->flags
)
544 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
547 static void enable_flat_volume(pa_sink
*s
, pa_bool_t enable
) {
548 pa_sink_flags_t flags
;
552 /* Always follow the overall user preference here */
553 enable
= enable
&& s
->core
->flat_volumes
;
555 /* Save the current flags so we can tell if they've changed */
559 s
->flags
|= PA_SINK_FLAT_VOLUME
;
561 s
->flags
&= ~PA_SINK_FLAT_VOLUME
;
563 /* If the flags have changed after init, let any clients know via a change event */
564 if (s
->state
!= PA_SINK_INIT
&& flags
!= s
->flags
)
565 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
568 void pa_sink_enable_decibel_volume(pa_sink
*s
, pa_bool_t enable
) {
569 pa_sink_flags_t flags
;
573 /* Save the current flags so we can tell if they've changed */
577 s
->flags
|= PA_SINK_DECIBEL_VOLUME
;
578 enable_flat_volume(s
, TRUE
);
580 s
->flags
&= ~PA_SINK_DECIBEL_VOLUME
;
581 enable_flat_volume(s
, FALSE
);
584 /* If the flags have changed after init, let any clients know via a change event */
585 if (s
->state
!= PA_SINK_INIT
&& flags
!= s
->flags
)
586 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
589 /* Called from main context */
590 void pa_sink_put(pa_sink
* s
) {
591 pa_sink_assert_ref(s
);
592 pa_assert_ctl_context();
594 pa_assert(s
->state
== PA_SINK_INIT
);
595 pa_assert(!(s
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
) || s
->input_to_master
);
597 /* The following fields must be initialized properly when calling _put() */
598 pa_assert(s
->asyncmsgq
);
599 pa_assert(s
->thread_info
.min_latency
<= s
->thread_info
.max_latency
);
601 /* Generally, flags should be initialized via pa_sink_new(). As a
602 * special exception we allow some volume related flags to be set
603 * between _new() and _put() by the callback setter functions above.
605 * Thus we implement a couple safeguards here which ensure the above
606 * setters were used (or at least the implementor made manual changes
607 * in a compatible way).
609 * Note: All of these flags set here can change over the life time
611 pa_assert(!(s
->flags
& PA_SINK_HW_VOLUME_CTRL
) || s
->set_volume
);
612 pa_assert(!(s
->flags
& PA_SINK_DEFERRED_VOLUME
) || s
->write_volume
);
613 pa_assert(!(s
->flags
& PA_SINK_HW_MUTE_CTRL
) || s
->set_mute
);
615 /* XXX: Currently decibel volume is disabled for all sinks that use volume
616 * sharing. When the master sink supports decibel volume, it would be good
617 * to have the flag also in the filter sink, but currently we don't do that
618 * so that the flags of the filter sink never change when it's moved from
619 * a master sink to another. One solution for this problem would be to
620 * remove user-visible volume altogether from filter sinks when volume
621 * sharing is used, but the current approach was easier to implement... */
622 /* We always support decibel volumes in software, otherwise we leave it to
623 * the sink implementor to set this flag as needed.
625 * Note: This flag can also change over the life time of the sink. */
626 if (!(s
->flags
& PA_SINK_HW_VOLUME_CTRL
) && !(s
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
))
627 pa_sink_enable_decibel_volume(s
, TRUE
);
629 /* If the sink implementor support DB volumes by itself, we should always
630 * try and enable flat volumes too */
631 if ((s
->flags
& PA_SINK_DECIBEL_VOLUME
))
632 enable_flat_volume(s
, TRUE
);
634 if (s
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
) {
635 pa_sink
*root_sink
= pa_sink_get_master(s
);
637 pa_assert(root_sink
);
639 s
->reference_volume
= root_sink
->reference_volume
;
640 pa_cvolume_remap(&s
->reference_volume
, &root_sink
->channel_map
, &s
->channel_map
);
642 s
->real_volume
= root_sink
->real_volume
;
643 pa_cvolume_remap(&s
->real_volume
, &root_sink
->channel_map
, &s
->channel_map
);
645 /* We assume that if the sink implementor changed the default
646 * volume he did so in real_volume, because that is the usual
647 * place where he is supposed to place his changes. */
648 s
->reference_volume
= s
->real_volume
;
650 s
->thread_info
.soft_volume
= s
->soft_volume
;
651 s
->thread_info
.soft_muted
= s
->muted
;
652 pa_sw_cvolume_multiply(&s
->thread_info
.current_hw_volume
, &s
->soft_volume
, &s
->real_volume
);
654 pa_assert((s
->flags
& PA_SINK_HW_VOLUME_CTRL
)
655 || (s
->base_volume
== PA_VOLUME_NORM
656 && ((s
->flags
& PA_SINK_DECIBEL_VOLUME
|| (s
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
)))));
657 pa_assert(!(s
->flags
& PA_SINK_DECIBEL_VOLUME
) || s
->n_volume_steps
== PA_VOLUME_NORM
+1);
658 pa_assert(!(s
->flags
& PA_SINK_DYNAMIC_LATENCY
) == (s
->thread_info
.fixed_latency
!= 0));
659 pa_assert(!(s
->flags
& PA_SINK_LATENCY
) == !(s
->monitor_source
->flags
& PA_SOURCE_LATENCY
));
660 pa_assert(!(s
->flags
& PA_SINK_DYNAMIC_LATENCY
) == !(s
->monitor_source
->flags
& PA_SOURCE_DYNAMIC_LATENCY
));
662 pa_assert(s
->monitor_source
->thread_info
.fixed_latency
== s
->thread_info
.fixed_latency
);
663 pa_assert(s
->monitor_source
->thread_info
.min_latency
== s
->thread_info
.min_latency
);
664 pa_assert(s
->monitor_source
->thread_info
.max_latency
== s
->thread_info
.max_latency
);
666 pa_assert_se(sink_set_state(s
, PA_SINK_IDLE
) == 0);
668 pa_source_put(s
->monitor_source
);
670 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
| PA_SUBSCRIPTION_EVENT_NEW
, s
->index
);
671 pa_hook_fire(&s
->core
->hooks
[PA_CORE_HOOK_SINK_PUT
], s
);
674 /* Called from main context */
675 void pa_sink_unlink(pa_sink
* s
) {
677 pa_sink_input
*i
, *j
= NULL
;
680 pa_assert_ctl_context();
682 /* Please note that pa_sink_unlink() does more than simply
683 * reversing pa_sink_put(). It also undoes the registrations
684 * already done in pa_sink_new()! */
686 /* All operations here shall be idempotent, i.e. pa_sink_unlink()
687 * may be called multiple times on the same sink without bad
690 linked
= PA_SINK_IS_LINKED(s
->state
);
693 pa_hook_fire(&s
->core
->hooks
[PA_CORE_HOOK_SINK_UNLINK
], s
);
695 if (s
->state
!= PA_SINK_UNLINKED
)
696 pa_namereg_unregister(s
->core
, s
->name
);
697 pa_idxset_remove_by_data(s
->core
->sinks
, s
, NULL
);
700 pa_idxset_remove_by_data(s
->card
->sinks
, s
, NULL
);
702 while ((i
= pa_idxset_first(s
->inputs
, NULL
))) {
704 pa_sink_input_kill(i
);
709 sink_set_state(s
, PA_SINK_UNLINKED
);
711 s
->state
= PA_SINK_UNLINKED
;
715 if (s
->monitor_source
)
716 pa_source_unlink(s
->monitor_source
);
719 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
| PA_SUBSCRIPTION_EVENT_REMOVE
, s
->index
);
720 pa_hook_fire(&s
->core
->hooks
[PA_CORE_HOOK_SINK_UNLINK_POST
], s
);
724 /* Called from main context */
725 static void sink_free(pa_object
*o
) {
726 pa_sink
*s
= PA_SINK(o
);
730 pa_assert_ctl_context();
731 pa_assert(pa_sink_refcnt(s
) == 0);
733 if (PA_SINK_IS_LINKED(s
->state
))
736 pa_log_info("Freeing sink %u \"%s\"", s
->index
, s
->name
);
738 if (s
->monitor_source
) {
739 pa_source_unref(s
->monitor_source
);
740 s
->monitor_source
= NULL
;
743 pa_idxset_free(s
->inputs
, NULL
, NULL
);
745 while ((i
= pa_hashmap_steal_first(s
->thread_info
.inputs
)))
746 pa_sink_input_unref(i
);
748 pa_hashmap_free(s
->thread_info
.inputs
, NULL
, NULL
);
750 if (s
->silence
.memblock
)
751 pa_memblock_unref(s
->silence
.memblock
);
757 pa_proplist_free(s
->proplist
);
762 while ((p
= pa_hashmap_steal_first(s
->ports
)))
763 pa_device_port_free(p
);
765 pa_hashmap_free(s
->ports
, NULL
, NULL
);
771 /* Called from main context, and not while the IO thread is active, please */
772 void pa_sink_set_asyncmsgq(pa_sink
*s
, pa_asyncmsgq
*q
) {
773 pa_sink_assert_ref(s
);
774 pa_assert_ctl_context();
778 if (s
->monitor_source
)
779 pa_source_set_asyncmsgq(s
->monitor_source
, q
);
782 /* Called from main context, and not while the IO thread is active, please */
783 void pa_sink_update_flags(pa_sink
*s
, pa_sink_flags_t mask
, pa_sink_flags_t value
) {
784 pa_sink_assert_ref(s
);
785 pa_assert_ctl_context();
790 /* For now, allow only a minimal set of flags to be changed. */
791 pa_assert((mask
& ~(PA_SINK_DYNAMIC_LATENCY
|PA_SINK_LATENCY
)) == 0);
793 s
->flags
= (s
->flags
& ~mask
) | (value
& mask
);
795 pa_source_update_flags(s
->monitor_source
,
796 ((mask
& PA_SINK_LATENCY
) ? PA_SOURCE_LATENCY
: 0) |
797 ((mask
& PA_SINK_DYNAMIC_LATENCY
) ? PA_SOURCE_DYNAMIC_LATENCY
: 0),
798 ((value
& PA_SINK_LATENCY
) ? PA_SOURCE_LATENCY
: 0) |
799 ((value
& PA_SINK_DYNAMIC_LATENCY
) ? PA_SINK_DYNAMIC_LATENCY
: 0));
802 /* Called from IO context, or before _put() from main context */
803 void pa_sink_set_rtpoll(pa_sink
*s
, pa_rtpoll
*p
) {
804 pa_sink_assert_ref(s
);
805 pa_sink_assert_io_context(s
);
807 s
->thread_info
.rtpoll
= p
;
809 if (s
->monitor_source
)
810 pa_source_set_rtpoll(s
->monitor_source
, p
);
813 /* Called from main context */
814 int pa_sink_update_status(pa_sink
*s
) {
815 pa_sink_assert_ref(s
);
816 pa_assert_ctl_context();
817 pa_assert(PA_SINK_IS_LINKED(s
->state
));
819 if (s
->state
== PA_SINK_SUSPENDED
)
822 return sink_set_state(s
, pa_sink_used_by(s
) ? PA_SINK_RUNNING
: PA_SINK_IDLE
);
825 /* Called from main context */
826 int pa_sink_suspend(pa_sink
*s
, pa_bool_t suspend
, pa_suspend_cause_t cause
) {
827 pa_sink_assert_ref(s
);
828 pa_assert_ctl_context();
829 pa_assert(PA_SINK_IS_LINKED(s
->state
));
830 pa_assert(cause
!= 0);
833 s
->suspend_cause
|= cause
;
834 s
->monitor_source
->suspend_cause
|= cause
;
836 s
->suspend_cause
&= ~cause
;
837 s
->monitor_source
->suspend_cause
&= ~cause
;
840 if ((pa_sink_get_state(s
) == PA_SINK_SUSPENDED
) == !!s
->suspend_cause
)
843 pa_log_debug("Suspend cause of sink %s is 0x%04x, %s", s
->name
, s
->suspend_cause
, s
->suspend_cause
? "suspending" : "resuming");
845 if (s
->suspend_cause
)
846 return sink_set_state(s
, PA_SINK_SUSPENDED
);
848 return sink_set_state(s
, pa_sink_used_by(s
) ? PA_SINK_RUNNING
: PA_SINK_IDLE
);
851 /* Called from main context */
852 pa_queue
*pa_sink_move_all_start(pa_sink
*s
, pa_queue
*q
) {
853 pa_sink_input
*i
, *n
;
856 pa_sink_assert_ref(s
);
857 pa_assert_ctl_context();
858 pa_assert(PA_SINK_IS_LINKED(s
->state
));
863 for (i
= PA_SINK_INPUT(pa_idxset_first(s
->inputs
, &idx
)); i
; i
= n
) {
864 n
= PA_SINK_INPUT(pa_idxset_next(s
->inputs
, &idx
));
866 pa_sink_input_ref(i
);
868 if (pa_sink_input_start_move(i
) >= 0)
871 pa_sink_input_unref(i
);
877 /* Called from main context */
878 void pa_sink_move_all_finish(pa_sink
*s
, pa_queue
*q
, pa_bool_t save
) {
881 pa_sink_assert_ref(s
);
882 pa_assert_ctl_context();
883 pa_assert(PA_SINK_IS_LINKED(s
->state
));
886 while ((i
= PA_SINK_INPUT(pa_queue_pop(q
)))) {
887 if (pa_sink_input_finish_move(i
, s
, save
) < 0)
888 pa_sink_input_fail_move(i
);
890 pa_sink_input_unref(i
);
893 pa_queue_free(q
, NULL
, NULL
);
896 /* Called from main context */
897 void pa_sink_move_all_fail(pa_queue
*q
) {
900 pa_assert_ctl_context();
903 while ((i
= PA_SINK_INPUT(pa_queue_pop(q
)))) {
904 pa_sink_input_fail_move(i
);
905 pa_sink_input_unref(i
);
908 pa_queue_free(q
, NULL
, NULL
);
911 /* Called from IO thread context */
912 void pa_sink_process_rewind(pa_sink
*s
, size_t nbytes
) {
916 pa_sink_assert_ref(s
);
917 pa_sink_assert_io_context(s
);
918 pa_assert(PA_SINK_IS_LINKED(s
->thread_info
.state
));
920 /* If nobody requested this and this is actually no real rewind
921 * then we can short cut this. Please note that this means that
922 * not all rewind requests triggered upstream will always be
923 * translated in actual requests! */
924 if (!s
->thread_info
.rewind_requested
&& nbytes
<= 0)
927 s
->thread_info
.rewind_nbytes
= 0;
928 s
->thread_info
.rewind_requested
= FALSE
;
930 if (s
->thread_info
.state
== PA_SINK_SUSPENDED
)
934 pa_log_debug("Processing rewind...");
935 if (s
->flags
& PA_SINK_DEFERRED_VOLUME
)
936 pa_sink_volume_change_rewind(s
, nbytes
);
939 PA_HASHMAP_FOREACH(i
, s
->thread_info
.inputs
, state
) {
940 pa_sink_input_assert_ref(i
);
941 pa_sink_input_process_rewind(i
, nbytes
);
945 if (s
->monitor_source
&& PA_SOURCE_IS_LINKED(s
->monitor_source
->thread_info
.state
))
946 pa_source_process_rewind(s
->monitor_source
, nbytes
);
950 /* Called from IO thread context */
951 static unsigned fill_mix_info(pa_sink
*s
, size_t *length
, pa_mix_info
*info
, unsigned maxinfo
) {
955 size_t mixlength
= *length
;
957 pa_sink_assert_ref(s
);
958 pa_sink_assert_io_context(s
);
961 while ((i
= pa_hashmap_iterate(s
->thread_info
.inputs
, &state
, NULL
)) && maxinfo
> 0) {
962 pa_sink_input_assert_ref(i
);
964 pa_sink_input_peek(i
, *length
, &info
->chunk
, &info
->volume
);
966 if (mixlength
== 0 || info
->chunk
.length
< mixlength
)
967 mixlength
= info
->chunk
.length
;
969 if (pa_memblock_is_silence(info
->chunk
.memblock
)) {
970 pa_memblock_unref(info
->chunk
.memblock
);
974 info
->userdata
= pa_sink_input_ref(i
);
976 pa_assert(info
->chunk
.memblock
);
977 pa_assert(info
->chunk
.length
> 0);
990 /* Called from IO thread context */
991 static void inputs_drop(pa_sink
*s
, pa_mix_info
*info
, unsigned n
, pa_memchunk
*result
) {
995 unsigned n_unreffed
= 0;
997 pa_sink_assert_ref(s
);
998 pa_sink_assert_io_context(s
);
1000 pa_assert(result
->memblock
);
1001 pa_assert(result
->length
> 0);
1003 /* We optimize for the case where the order of the inputs has not changed */
1005 PA_HASHMAP_FOREACH(i
, s
->thread_info
.inputs
, state
) {
1007 pa_mix_info
* m
= NULL
;
1009 pa_sink_input_assert_ref(i
);
1011 /* Let's try to find the matching entry info the pa_mix_info array */
1012 for (j
= 0; j
< n
; j
++) {
1014 if (info
[p
].userdata
== i
) {
1024 /* Drop read data */
1025 pa_sink_input_drop(i
, result
->length
);
1027 if (s
->monitor_source
&& PA_SOURCE_IS_LINKED(s
->monitor_source
->thread_info
.state
)) {
1029 if (pa_hashmap_size(i
->thread_info
.direct_outputs
) > 0) {
1030 void *ostate
= NULL
;
1031 pa_source_output
*o
;
1034 if (m
&& m
->chunk
.memblock
) {
1036 pa_memblock_ref(c
.memblock
);
1037 pa_assert(result
->length
<= c
.length
);
1038 c
.length
= result
->length
;
1040 pa_memchunk_make_writable(&c
, 0);
1041 pa_volume_memchunk(&c
, &s
->sample_spec
, &m
->volume
);
1044 pa_memblock_ref(c
.memblock
);
1045 pa_assert(result
->length
<= c
.length
);
1046 c
.length
= result
->length
;
1049 while ((o
= pa_hashmap_iterate(i
->thread_info
.direct_outputs
, &ostate
, NULL
))) {
1050 pa_source_output_assert_ref(o
);
1051 pa_assert(o
->direct_on_input
== i
);
1052 pa_source_post_direct(s
->monitor_source
, o
, &c
);
1055 pa_memblock_unref(c
.memblock
);
1060 if (m
->chunk
.memblock
)
1061 pa_memblock_unref(m
->chunk
.memblock
);
1062 pa_memchunk_reset(&m
->chunk
);
1064 pa_sink_input_unref(m
->userdata
);
1071 /* Now drop references to entries that are included in the
1072 * pa_mix_info array but don't exist anymore */
1074 if (n_unreffed
< n
) {
1075 for (; n
> 0; info
++, n
--) {
1077 pa_sink_input_unref(info
->userdata
);
1078 if (info
->chunk
.memblock
)
1079 pa_memblock_unref(info
->chunk
.memblock
);
1083 if (s
->monitor_source
&& PA_SOURCE_IS_LINKED(s
->monitor_source
->thread_info
.state
))
1084 pa_source_post(s
->monitor_source
, result
);
1087 /* Called from IO thread context */
1088 void pa_sink_render(pa_sink
*s
, size_t length
, pa_memchunk
*result
) {
1089 pa_mix_info info
[MAX_MIX_CHANNELS
];
1091 size_t block_size_max
;
1093 pa_sink_assert_ref(s
);
1094 pa_sink_assert_io_context(s
);
1095 pa_assert(PA_SINK_IS_LINKED(s
->thread_info
.state
));
1096 pa_assert(pa_frame_aligned(length
, &s
->sample_spec
));
1099 pa_assert(!s
->thread_info
.rewind_requested
);
1100 pa_assert(s
->thread_info
.rewind_nbytes
== 0);
1102 if (s
->thread_info
.state
== PA_SINK_SUSPENDED
) {
1103 result
->memblock
= pa_memblock_ref(s
->silence
.memblock
);
1104 result
->index
= s
->silence
.index
;
1105 result
->length
= PA_MIN(s
->silence
.length
, length
);
1112 length
= pa_frame_align(MIX_BUFFER_LENGTH
, &s
->sample_spec
);
1114 block_size_max
= pa_mempool_block_size_max(s
->core
->mempool
);
1115 if (length
> block_size_max
)
1116 length
= pa_frame_align(block_size_max
, &s
->sample_spec
);
1118 pa_assert(length
> 0);
1120 n
= fill_mix_info(s
, &length
, info
, MAX_MIX_CHANNELS
);
1124 *result
= s
->silence
;
1125 pa_memblock_ref(result
->memblock
);
1127 if (result
->length
> length
)
1128 result
->length
= length
;
1130 } else if (n
== 1) {
1133 *result
= info
[0].chunk
;
1134 pa_memblock_ref(result
->memblock
);
1136 if (result
->length
> length
)
1137 result
->length
= length
;
1139 pa_sw_cvolume_multiply(&volume
, &s
->thread_info
.soft_volume
, &info
[0].volume
);
1141 if (s
->thread_info
.soft_muted
|| pa_cvolume_is_muted(&volume
)) {
1142 pa_memblock_unref(result
->memblock
);
1143 pa_silence_memchunk_get(&s
->core
->silence_cache
,
1148 } else if (!pa_cvolume_is_norm(&volume
)) {
1149 pa_memchunk_make_writable(result
, 0);
1150 pa_volume_memchunk(result
, &s
->sample_spec
, &volume
);
1154 result
->memblock
= pa_memblock_new(s
->core
->mempool
, length
);
1156 ptr
= pa_memblock_acquire(result
->memblock
);
1157 result
->length
= pa_mix(info
, n
,
1160 &s
->thread_info
.soft_volume
,
1161 s
->thread_info
.soft_muted
);
1162 pa_memblock_release(result
->memblock
);
1167 inputs_drop(s
, info
, n
, result
);
1172 /* Called from IO thread context */
1173 void pa_sink_render_into(pa_sink
*s
, pa_memchunk
*target
) {
1174 pa_mix_info info
[MAX_MIX_CHANNELS
];
1176 size_t length
, block_size_max
;
1178 pa_sink_assert_ref(s
);
1179 pa_sink_assert_io_context(s
);
1180 pa_assert(PA_SINK_IS_LINKED(s
->thread_info
.state
));
1182 pa_assert(target
->memblock
);
1183 pa_assert(target
->length
> 0);
1184 pa_assert(pa_frame_aligned(target
->length
, &s
->sample_spec
));
1186 pa_assert(!s
->thread_info
.rewind_requested
);
1187 pa_assert(s
->thread_info
.rewind_nbytes
== 0);
1189 if (s
->thread_info
.state
== PA_SINK_SUSPENDED
) {
1190 pa_silence_memchunk(target
, &s
->sample_spec
);
1196 length
= target
->length
;
1197 block_size_max
= pa_mempool_block_size_max(s
->core
->mempool
);
1198 if (length
> block_size_max
)
1199 length
= pa_frame_align(block_size_max
, &s
->sample_spec
);
1201 pa_assert(length
> 0);
1203 n
= fill_mix_info(s
, &length
, info
, MAX_MIX_CHANNELS
);
1206 if (target
->length
> length
)
1207 target
->length
= length
;
1209 pa_silence_memchunk(target
, &s
->sample_spec
);
1210 } else if (n
== 1) {
1213 if (target
->length
> length
)
1214 target
->length
= length
;
1216 pa_sw_cvolume_multiply(&volume
, &s
->thread_info
.soft_volume
, &info
[0].volume
);
1218 if (s
->thread_info
.soft_muted
|| pa_cvolume_is_muted(&volume
))
1219 pa_silence_memchunk(target
, &s
->sample_spec
);
1223 vchunk
= info
[0].chunk
;
1224 pa_memblock_ref(vchunk
.memblock
);
1226 if (vchunk
.length
> length
)
1227 vchunk
.length
= length
;
1229 if (!pa_cvolume_is_norm(&volume
)) {
1230 pa_memchunk_make_writable(&vchunk
, 0);
1231 pa_volume_memchunk(&vchunk
, &s
->sample_spec
, &volume
);
1234 pa_memchunk_memcpy(target
, &vchunk
);
1235 pa_memblock_unref(vchunk
.memblock
);
1241 ptr
= pa_memblock_acquire(target
->memblock
);
1243 target
->length
= pa_mix(info
, n
,
1244 (uint8_t*) ptr
+ target
->index
, length
,
1246 &s
->thread_info
.soft_volume
,
1247 s
->thread_info
.soft_muted
);
1249 pa_memblock_release(target
->memblock
);
1252 inputs_drop(s
, info
, n
, target
);
1257 /* Called from IO thread context */
1258 void pa_sink_render_into_full(pa_sink
*s
, pa_memchunk
*target
) {
1262 pa_sink_assert_ref(s
);
1263 pa_sink_assert_io_context(s
);
1264 pa_assert(PA_SINK_IS_LINKED(s
->thread_info
.state
));
1266 pa_assert(target
->memblock
);
1267 pa_assert(target
->length
> 0);
1268 pa_assert(pa_frame_aligned(target
->length
, &s
->sample_spec
));
1270 pa_assert(!s
->thread_info
.rewind_requested
);
1271 pa_assert(s
->thread_info
.rewind_nbytes
== 0);
1273 if (s
->thread_info
.state
== PA_SINK_SUSPENDED
) {
1274 pa_silence_memchunk(target
, &s
->sample_spec
);
1287 pa_sink_render_into(s
, &chunk
);
1296 /* Called from IO thread context */
1297 void pa_sink_render_full(pa_sink
*s
, size_t length
, pa_memchunk
*result
) {
1298 pa_sink_assert_ref(s
);
1299 pa_sink_assert_io_context(s
);
1300 pa_assert(PA_SINK_IS_LINKED(s
->thread_info
.state
));
1301 pa_assert(length
> 0);
1302 pa_assert(pa_frame_aligned(length
, &s
->sample_spec
));
1305 pa_assert(!s
->thread_info
.rewind_requested
);
1306 pa_assert(s
->thread_info
.rewind_nbytes
== 0);
1310 pa_sink_render(s
, length
, result
);
1312 if (result
->length
< length
) {
1315 pa_memchunk_make_writable(result
, length
);
1317 chunk
.memblock
= result
->memblock
;
1318 chunk
.index
= result
->index
+ result
->length
;
1319 chunk
.length
= length
- result
->length
;
1321 pa_sink_render_into_full(s
, &chunk
);
1323 result
->length
= length
;
1329 /* Called from main thread */
1330 pa_bool_t
pa_sink_update_rate(pa_sink
*s
, uint32_t rate
, pa_bool_t passthrough
)
1332 if (s
->update_rate
) {
1333 uint32_t desired_rate
= rate
;
1334 uint32_t default_rate
= s
->default_sample_rate
;
1335 uint32_t alternate_rate
= s
->alternate_sample_rate
;
1336 pa_bool_t use_alternate
= FALSE
;
1338 if (PA_SINK_IS_RUNNING(s
->state
)) {
1339 pa_log_info("Cannot update rate, SINK_IS_RUNNING, will keep using %u kHz",
1340 s
->sample_spec
.rate
);
1344 if (s
->monitor_source
) {
1345 if (PA_SOURCE_IS_RUNNING(s
->monitor_source
->state
) == TRUE
) {
1346 pa_log_info("Cannot update rate, monitor source is RUNNING");
1351 if (PA_UNLIKELY (desired_rate
< 8000 ||
1352 desired_rate
> PA_RATE_MAX
))
1356 pa_assert(default_rate
% 4000 || default_rate
% 11025);
1357 pa_assert(alternate_rate
% 4000 || alternate_rate
% 11025);
1359 if (default_rate
% 4000) {
1360 /* default is a 11025 multiple */
1361 if ((alternate_rate
% 4000 == 0) && (desired_rate
% 4000 == 0))
1364 /* default is 4000 multiple */
1365 if ((alternate_rate
% 11025 == 0) && (desired_rate
% 11025 == 0))
1370 desired_rate
= alternate_rate
;
1372 desired_rate
= default_rate
;
1374 desired_rate
= rate
; /* use stream sampling rate, discard default/alternate settings */
1377 if (passthrough
|| pa_sink_used_by(s
) == 0) {
1378 pa_sink_suspend(s
, TRUE
, PA_SUSPEND_IDLE
); /* needed before rate update, will be resumed automatically */
1381 if (s
->update_rate(s
, desired_rate
) == TRUE
) {
1382 /* update monitor source as well */
1383 if (s
->monitor_source
&& !passthrough
)
1384 pa_source_update_rate(s
->monitor_source
, desired_rate
, FALSE
);
1385 pa_log_info("Changed sampling rate successfully");
1392 /* Called from main thread */
1393 pa_usec_t
pa_sink_get_latency(pa_sink
*s
) {
1396 pa_sink_assert_ref(s
);
1397 pa_assert_ctl_context();
1398 pa_assert(PA_SINK_IS_LINKED(s
->state
));
1400 /* The returned value is supposed to be in the time domain of the sound card! */
1402 if (s
->state
== PA_SINK_SUSPENDED
)
1405 if (!(s
->flags
& PA_SINK_LATENCY
))
1408 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_GET_LATENCY
, &usec
, 0, NULL
) == 0);
1413 /* Called from IO thread */
1414 pa_usec_t
pa_sink_get_latency_within_thread(pa_sink
*s
) {
1418 pa_sink_assert_ref(s
);
1419 pa_sink_assert_io_context(s
);
1420 pa_assert(PA_SINK_IS_LINKED(s
->thread_info
.state
));
1422 /* The returned value is supposed to be in the time domain of the sound card! */
1424 if (s
->thread_info
.state
== PA_SINK_SUSPENDED
)
1427 if (!(s
->flags
& PA_SINK_LATENCY
))
1430 o
= PA_MSGOBJECT(s
);
1432 /* FIXME: We probably should make this a proper vtable callback instead of going through process_msg() */
1434 if (o
->process_msg(o
, PA_SINK_MESSAGE_GET_LATENCY
, &usec
, 0, NULL
) < 0)
1440 /* Called from the main thread (and also from the IO thread while the main
1441 * thread is waiting).
1443 * When a sink uses volume sharing, it never has the PA_SINK_FLAT_VOLUME flag
1444 * set. Instead, flat volume mode is detected by checking whether the root sink
1445 * has the flag set. */
1446 pa_bool_t
pa_sink_flat_volume_enabled(pa_sink
*s
) {
1447 pa_sink_assert_ref(s
);
1449 s
= pa_sink_get_master(s
);
1452 return (s
->flags
& PA_SINK_FLAT_VOLUME
);
1457 /* Called from the main thread (and also from the IO thread while the main
1458 * thread is waiting). */
1459 pa_sink
*pa_sink_get_master(pa_sink
*s
) {
1460 pa_sink_assert_ref(s
);
1462 while (s
&& (s
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
)) {
1463 if (PA_UNLIKELY(!s
->input_to_master
))
1466 s
= s
->input_to_master
->sink
;
1472 /* Called from main context */
1473 pa_bool_t
pa_sink_is_passthrough(pa_sink
*s
) {
1474 pa_sink_input
*alt_i
;
1477 pa_sink_assert_ref(s
);
1479 /* one and only one PASSTHROUGH input can possibly be connected */
1480 if (pa_idxset_size(s
->inputs
) == 1) {
1481 alt_i
= pa_idxset_first(s
->inputs
, &idx
);
1483 if (pa_sink_input_is_passthrough(alt_i
))
1490 /* Called from main context */
1491 void pa_sink_enter_passthrough(pa_sink
*s
) {
1494 /* disable the monitor in passthrough mode */
1495 if (s
->monitor_source
)
1496 pa_source_suspend(s
->monitor_source
, TRUE
, PA_SUSPEND_PASSTHROUGH
);
1498 /* set the volume to NORM */
1499 s
->saved_volume
= *pa_sink_get_volume(s
, TRUE
);
1500 s
->saved_save_volume
= s
->save_volume
;
1502 pa_cvolume_set(&volume
, s
->sample_spec
.channels
, PA_MIN(s
->base_volume
, PA_VOLUME_NORM
));
1503 pa_sink_set_volume(s
, &volume
, TRUE
, FALSE
);
1506 /* Called from main context */
1507 void pa_sink_leave_passthrough(pa_sink
*s
) {
1508 /* Unsuspend monitor */
1509 if (s
->monitor_source
)
1510 pa_source_suspend(s
->monitor_source
, FALSE
, PA_SUSPEND_PASSTHROUGH
);
1512 /* Restore sink volume to what it was before we entered passthrough mode */
1513 pa_sink_set_volume(s
, &s
->saved_volume
, TRUE
, s
->saved_save_volume
);
1515 pa_cvolume_init(&s
->saved_volume
);
1516 s
->saved_save_volume
= FALSE
;
1519 /* Called from main context. */
1520 static void compute_reference_ratio(pa_sink_input
*i
) {
1522 pa_cvolume remapped
;
1525 pa_assert(pa_sink_flat_volume_enabled(i
->sink
));
1528 * Calculates the reference ratio from the sink's reference
1529 * volume. This basically calculates:
1531 * i->reference_ratio = i->volume / i->sink->reference_volume
1534 remapped
= i
->sink
->reference_volume
;
1535 pa_cvolume_remap(&remapped
, &i
->sink
->channel_map
, &i
->channel_map
);
1537 i
->reference_ratio
.channels
= i
->sample_spec
.channels
;
1539 for (c
= 0; c
< i
->sample_spec
.channels
; c
++) {
1541 /* We don't update when the sink volume is 0 anyway */
1542 if (remapped
.values
[c
] <= PA_VOLUME_MUTED
)
1545 /* Don't update the reference ratio unless necessary */
1546 if (pa_sw_volume_multiply(
1547 i
->reference_ratio
.values
[c
],
1548 remapped
.values
[c
]) == i
->volume
.values
[c
])
1551 i
->reference_ratio
.values
[c
] = pa_sw_volume_divide(
1552 i
->volume
.values
[c
],
1553 remapped
.values
[c
]);
1557 /* Called from main context. Only called for the root sink in volume sharing
1558 * cases, except for internal recursive calls. */
1559 static void compute_reference_ratios(pa_sink
*s
) {
1563 pa_sink_assert_ref(s
);
1564 pa_assert_ctl_context();
1565 pa_assert(PA_SINK_IS_LINKED(s
->state
));
1566 pa_assert(pa_sink_flat_volume_enabled(s
));
1568 PA_IDXSET_FOREACH(i
, s
->inputs
, idx
) {
1569 compute_reference_ratio(i
);
1571 if (i
->origin_sink
&& (i
->origin_sink
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
))
1572 compute_reference_ratios(i
->origin_sink
);
1576 /* Called from main context. Only called for the root sink in volume sharing
1577 * cases, except for internal recursive calls. */
1578 static void compute_real_ratios(pa_sink
*s
) {
1582 pa_sink_assert_ref(s
);
1583 pa_assert_ctl_context();
1584 pa_assert(PA_SINK_IS_LINKED(s
->state
));
1585 pa_assert(pa_sink_flat_volume_enabled(s
));
1587 PA_IDXSET_FOREACH(i
, s
->inputs
, idx
) {
1589 pa_cvolume remapped
;
1591 if (i
->origin_sink
&& (i
->origin_sink
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
)) {
1592 /* The origin sink uses volume sharing, so this input's real ratio
1593 * is handled as a special case - the real ratio must be 0 dB, and
1594 * as a result i->soft_volume must equal i->volume_factor. */
1595 pa_cvolume_reset(&i
->real_ratio
, i
->real_ratio
.channels
);
1596 i
->soft_volume
= i
->volume_factor
;
1598 compute_real_ratios(i
->origin_sink
);
1604 * This basically calculates:
1606 * i->real_ratio := i->volume / s->real_volume
1607 * i->soft_volume := i->real_ratio * i->volume_factor
1610 remapped
= s
->real_volume
;
1611 pa_cvolume_remap(&remapped
, &s
->channel_map
, &i
->channel_map
);
1613 i
->real_ratio
.channels
= i
->sample_spec
.channels
;
1614 i
->soft_volume
.channels
= i
->sample_spec
.channels
;
1616 for (c
= 0; c
< i
->sample_spec
.channels
; c
++) {
1618 if (remapped
.values
[c
] <= PA_VOLUME_MUTED
) {
1619 /* We leave i->real_ratio untouched */
1620 i
->soft_volume
.values
[c
] = PA_VOLUME_MUTED
;
1624 /* Don't lose accuracy unless necessary */
1625 if (pa_sw_volume_multiply(
1626 i
->real_ratio
.values
[c
],
1627 remapped
.values
[c
]) != i
->volume
.values
[c
])
1629 i
->real_ratio
.values
[c
] = pa_sw_volume_divide(
1630 i
->volume
.values
[c
],
1631 remapped
.values
[c
]);
1633 i
->soft_volume
.values
[c
] = pa_sw_volume_multiply(
1634 i
->real_ratio
.values
[c
],
1635 i
->volume_factor
.values
[c
]);
1638 /* We don't copy the soft_volume to the thread_info data
1639 * here. That must be done by the caller */
1643 static pa_cvolume
*cvolume_remap_minimal_impact(
1645 const pa_cvolume
*template,
1646 const pa_channel_map
*from
,
1647 const pa_channel_map
*to
) {
1652 pa_assert(template);
1655 pa_assert(pa_cvolume_compatible_with_channel_map(v
, from
));
1656 pa_assert(pa_cvolume_compatible_with_channel_map(template, to
));
1658 /* Much like pa_cvolume_remap(), but tries to minimize impact when
1659 * mapping from sink input to sink volumes:
1661 * If template is a possible remapping from v it is used instead
1662 * of remapping anew.
1664 * If the channel maps don't match we set an all-channel volume on
1665 * the sink to ensure that changing a volume on one stream has no
1666 * effect that cannot be compensated for in another stream that
1667 * does not have the same channel map as the sink. */
1669 if (pa_channel_map_equal(from
, to
))
1673 if (pa_cvolume_equal(pa_cvolume_remap(&t
, to
, from
), v
)) {
1678 pa_cvolume_set(v
, to
->channels
, pa_cvolume_max(v
));
1682 /* Called from main thread. Only called for the root sink in volume sharing
1683 * cases, except for internal recursive calls. */
1684 static void get_maximum_input_volume(pa_sink
*s
, pa_cvolume
*max_volume
, const pa_channel_map
*channel_map
) {
1688 pa_sink_assert_ref(s
);
1689 pa_assert(max_volume
);
1690 pa_assert(channel_map
);
1691 pa_assert(pa_sink_flat_volume_enabled(s
));
1693 PA_IDXSET_FOREACH(i
, s
->inputs
, idx
) {
1694 pa_cvolume remapped
;
1696 if (i
->origin_sink
&& (i
->origin_sink
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
)) {
1697 get_maximum_input_volume(i
->origin_sink
, max_volume
, channel_map
);
1699 /* Ignore this input. The origin sink uses volume sharing, so this
1700 * input's volume will be set to be equal to the root sink's real
1701 * volume. Obviously this input's current volume must not then
1702 * affect what the root sink's real volume will be. */
1706 remapped
= i
->volume
;
1707 cvolume_remap_minimal_impact(&remapped
, max_volume
, &i
->channel_map
, channel_map
);
1708 pa_cvolume_merge(max_volume
, max_volume
, &remapped
);
1712 /* Called from main thread. Only called for the root sink in volume sharing
1713 * cases, except for internal recursive calls. */
1714 static pa_bool_t
has_inputs(pa_sink
*s
) {
1718 pa_sink_assert_ref(s
);
1720 PA_IDXSET_FOREACH(i
, s
->inputs
, idx
) {
1721 if (!i
->origin_sink
|| !(i
->origin_sink
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
) || has_inputs(i
->origin_sink
))
1728 /* Called from main thread. Only called for the root sink in volume sharing
1729 * cases, except for internal recursive calls. */
1730 static void update_real_volume(pa_sink
*s
, const pa_cvolume
*new_volume
, pa_channel_map
*channel_map
) {
1734 pa_sink_assert_ref(s
);
1735 pa_assert(new_volume
);
1736 pa_assert(channel_map
);
1738 s
->real_volume
= *new_volume
;
1739 pa_cvolume_remap(&s
->real_volume
, channel_map
, &s
->channel_map
);
1741 PA_IDXSET_FOREACH(i
, s
->inputs
, idx
) {
1742 if (i
->origin_sink
&& (i
->origin_sink
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
)) {
1743 if (pa_sink_flat_volume_enabled(s
)) {
1744 pa_cvolume old_volume
= i
->volume
;
1746 /* Follow the root sink's real volume. */
1747 i
->volume
= *new_volume
;
1748 pa_cvolume_remap(&i
->volume
, channel_map
, &i
->channel_map
);
1749 compute_reference_ratio(i
);
1751 /* The volume changed, let's tell people so */
1752 if (!pa_cvolume_equal(&old_volume
, &i
->volume
)) {
1753 if (i
->volume_changed
)
1754 i
->volume_changed(i
);
1756 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
1760 update_real_volume(i
->origin_sink
, new_volume
, channel_map
);
1765 /* Called from main thread. Only called for the root sink in shared volume
1767 static void compute_real_volume(pa_sink
*s
) {
1768 pa_sink_assert_ref(s
);
1769 pa_assert_ctl_context();
1770 pa_assert(PA_SINK_IS_LINKED(s
->state
));
1771 pa_assert(pa_sink_flat_volume_enabled(s
));
1772 pa_assert(!(s
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
));
1774 /* This determines the maximum volume of all streams and sets
1775 * s->real_volume accordingly. */
1777 if (!has_inputs(s
)) {
1778 /* In the special case that we have no sink inputs we leave the
1779 * volume unmodified. */
1780 update_real_volume(s
, &s
->reference_volume
, &s
->channel_map
);
1784 pa_cvolume_mute(&s
->real_volume
, s
->channel_map
.channels
);
1786 /* First let's determine the new maximum volume of all inputs
1787 * connected to this sink */
1788 get_maximum_input_volume(s
, &s
->real_volume
, &s
->channel_map
);
1789 update_real_volume(s
, &s
->real_volume
, &s
->channel_map
);
1791 /* Then, let's update the real ratios/soft volumes of all inputs
1792 * connected to this sink */
1793 compute_real_ratios(s
);
1796 /* Called from main thread. Only called for the root sink in shared volume
1797 * cases, except for internal recursive calls. */
1798 static void propagate_reference_volume(pa_sink
*s
) {
1802 pa_sink_assert_ref(s
);
1803 pa_assert_ctl_context();
1804 pa_assert(PA_SINK_IS_LINKED(s
->state
));
1805 pa_assert(pa_sink_flat_volume_enabled(s
));
1807 /* This is called whenever the sink volume changes that is not
1808 * caused by a sink input volume change. We need to fix up the
1809 * sink input volumes accordingly */
1811 PA_IDXSET_FOREACH(i
, s
->inputs
, idx
) {
1812 pa_cvolume old_volume
;
1814 if (i
->origin_sink
&& (i
->origin_sink
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
)) {
1815 propagate_reference_volume(i
->origin_sink
);
1817 /* Since the origin sink uses volume sharing, this input's volume
1818 * needs to be updated to match the root sink's real volume, but
1819 * that will be done later in update_shared_real_volume(). */
1823 old_volume
= i
->volume
;
1825 /* This basically calculates:
1827 * i->volume := s->reference_volume * i->reference_ratio */
1829 i
->volume
= s
->reference_volume
;
1830 pa_cvolume_remap(&i
->volume
, &s
->channel_map
, &i
->channel_map
);
1831 pa_sw_cvolume_multiply(&i
->volume
, &i
->volume
, &i
->reference_ratio
);
1833 /* The volume changed, let's tell people so */
1834 if (!pa_cvolume_equal(&old_volume
, &i
->volume
)) {
1836 if (i
->volume_changed
)
1837 i
->volume_changed(i
);
1839 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
1844 /* Called from main thread. Only called for the root sink in volume sharing
1845 * cases, except for internal recursive calls. The return value indicates
1846 * whether any reference volume actually changed. */
1847 static pa_bool_t
update_reference_volume(pa_sink
*s
, const pa_cvolume
*v
, const pa_channel_map
*channel_map
, pa_bool_t save
) {
1849 pa_bool_t reference_volume_changed
;
1853 pa_sink_assert_ref(s
);
1854 pa_assert(PA_SINK_IS_LINKED(s
->state
));
1856 pa_assert(channel_map
);
1857 pa_assert(pa_cvolume_valid(v
));
1860 pa_cvolume_remap(&volume
, channel_map
, &s
->channel_map
);
1862 reference_volume_changed
= !pa_cvolume_equal(&volume
, &s
->reference_volume
);
1863 s
->reference_volume
= volume
;
1865 s
->save_volume
= (!reference_volume_changed
&& s
->save_volume
) || save
;
1867 if (reference_volume_changed
)
1868 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
1869 else if (!(s
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
))
1870 /* If the root sink's volume doesn't change, then there can't be any
1871 * changes in the other sinks in the sink tree either.
1873 * It's probably theoretically possible that even if the root sink's
1874 * volume changes slightly, some filter sink doesn't change its volume
1875 * due to rounding errors. If that happens, we still want to propagate
1876 * the changed root sink volume to the sinks connected to the
1877 * intermediate sink that didn't change its volume. This theoretical
1878 * possibility is the reason why we have that !(s->flags &
1879 * PA_SINK_SHARE_VOLUME_WITH_MASTER) condition. Probably nobody would
1880 * notice even if we returned here FALSE always if
1881 * reference_volume_changed is FALSE. */
1884 PA_IDXSET_FOREACH(i
, s
->inputs
, idx
) {
1885 if (i
->origin_sink
&& (i
->origin_sink
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
))
1886 update_reference_volume(i
->origin_sink
, v
, channel_map
, FALSE
);
1892 /* Called from main thread */
1893 void pa_sink_set_volume(
1895 const pa_cvolume
*volume
,
1899 pa_cvolume new_reference_volume
;
1902 pa_sink_assert_ref(s
);
1903 pa_assert_ctl_context();
1904 pa_assert(PA_SINK_IS_LINKED(s
->state
));
1905 pa_assert(!volume
|| pa_cvolume_valid(volume
));
1906 pa_assert(volume
|| pa_sink_flat_volume_enabled(s
));
1907 pa_assert(!volume
|| volume
->channels
== 1 || pa_cvolume_compatible(volume
, &s
->sample_spec
));
1909 /* make sure we don't change the volume when a PASSTHROUGH input is connected ...
1910 * ... *except* if we're being invoked to reset the volume to ensure 0 dB gain */
1911 if (pa_sink_is_passthrough(s
) && (!volume
|| !pa_cvolume_is_norm(volume
))) {
1912 pa_log_warn("Cannot change volume, Sink is connected to PASSTHROUGH input");
1916 /* In case of volume sharing, the volume is set for the root sink first,
1917 * from which it's then propagated to the sharing sinks. */
1918 root_sink
= pa_sink_get_master(s
);
1920 if (PA_UNLIKELY(!root_sink
))
1923 /* As a special exception we accept mono volumes on all sinks --
1924 * even on those with more complex channel maps */
1927 if (pa_cvolume_compatible(volume
, &s
->sample_spec
))
1928 new_reference_volume
= *volume
;
1930 new_reference_volume
= s
->reference_volume
;
1931 pa_cvolume_scale(&new_reference_volume
, pa_cvolume_max(volume
));
1934 pa_cvolume_remap(&new_reference_volume
, &s
->channel_map
, &root_sink
->channel_map
);
1937 /* If volume is NULL we synchronize the sink's real and reference
1938 * volumes with the stream volumes. If it is not NULL we update
1939 * the reference_volume with it. */
1942 if (update_reference_volume(root_sink
, &new_reference_volume
, &root_sink
->channel_map
, save
)) {
1943 if (pa_sink_flat_volume_enabled(root_sink
)) {
1944 /* OK, propagate this volume change back to the inputs */
1945 propagate_reference_volume(root_sink
);
1947 /* And now recalculate the real volume */
1948 compute_real_volume(root_sink
);
1950 update_real_volume(root_sink
, &root_sink
->reference_volume
, &root_sink
->channel_map
);
1954 pa_assert(pa_sink_flat_volume_enabled(root_sink
));
1956 /* Ok, let's determine the new real volume */
1957 compute_real_volume(root_sink
);
1959 /* Let's 'push' the reference volume if necessary */
1960 pa_cvolume_merge(&new_reference_volume
, &s
->reference_volume
, &root_sink
->real_volume
);
1961 /* If the sink and it's root don't have the same number of channels, we need to remap */
1962 if (s
!= root_sink
&& !pa_channel_map_equal(&s
->channel_map
, &root_sink
->channel_map
))
1963 pa_cvolume_remap(&new_reference_volume
, &s
->channel_map
, &root_sink
->channel_map
);
1964 update_reference_volume(root_sink
, &new_reference_volume
, &root_sink
->channel_map
, save
);
1966 /* Now that the reference volume is updated, we can update the streams'
1967 * reference ratios. */
1968 compute_reference_ratios(root_sink
);
1971 if (root_sink
->set_volume
) {
1972 /* If we have a function set_volume(), then we do not apply a
1973 * soft volume by default. However, set_volume() is free to
1974 * apply one to root_sink->soft_volume */
1976 pa_cvolume_reset(&root_sink
->soft_volume
, root_sink
->sample_spec
.channels
);
1977 if (!(root_sink
->flags
& PA_SINK_DEFERRED_VOLUME
))
1978 root_sink
->set_volume(root_sink
);
1981 /* If we have no function set_volume(), then the soft volume
1982 * becomes the real volume */
1983 root_sink
->soft_volume
= root_sink
->real_volume
;
1985 /* This tells the sink that soft volume and/or real volume changed */
1987 pa_assert_se(pa_asyncmsgq_send(root_sink
->asyncmsgq
, PA_MSGOBJECT(root_sink
), PA_SINK_MESSAGE_SET_SHARED_VOLUME
, NULL
, 0, NULL
) == 0);
1990 /* Called from the io thread if sync volume is used, otherwise from the main thread.
1991 * Only to be called by sink implementor */
1992 void pa_sink_set_soft_volume(pa_sink
*s
, const pa_cvolume
*volume
) {
1994 pa_sink_assert_ref(s
);
1995 pa_assert(!(s
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
));
1997 if (s
->flags
& PA_SINK_DEFERRED_VOLUME
)
1998 pa_sink_assert_io_context(s
);
2000 pa_assert_ctl_context();
2003 pa_cvolume_reset(&s
->soft_volume
, s
->sample_spec
.channels
);
2005 s
->soft_volume
= *volume
;
2007 if (PA_SINK_IS_LINKED(s
->state
) && !(s
->flags
& PA_SINK_DEFERRED_VOLUME
))
2008 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_SET_VOLUME
, NULL
, 0, NULL
) == 0);
2010 s
->thread_info
.soft_volume
= s
->soft_volume
;
2013 /* Called from the main thread. Only called for the root sink in volume sharing
2014 * cases, except for internal recursive calls. */
2015 static void propagate_real_volume(pa_sink
*s
, const pa_cvolume
*old_real_volume
) {
2019 pa_sink_assert_ref(s
);
2020 pa_assert(old_real_volume
);
2021 pa_assert_ctl_context();
2022 pa_assert(PA_SINK_IS_LINKED(s
->state
));
2024 /* This is called when the hardware's real volume changes due to
2025 * some external event. We copy the real volume into our
2026 * reference volume and then rebuild the stream volumes based on
2027 * i->real_ratio which should stay fixed. */
2029 if (!(s
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
)) {
2030 if (pa_cvolume_equal(old_real_volume
, &s
->real_volume
))
2033 /* 1. Make the real volume the reference volume */
2034 update_reference_volume(s
, &s
->real_volume
, &s
->channel_map
, TRUE
);
2037 if (pa_sink_flat_volume_enabled(s
)) {
2039 PA_IDXSET_FOREACH(i
, s
->inputs
, idx
) {
2040 pa_cvolume old_volume
= i
->volume
;
2042 /* 2. Since the sink's reference and real volumes are equal
2043 * now our ratios should be too. */
2044 i
->reference_ratio
= i
->real_ratio
;
2046 /* 3. Recalculate the new stream reference volume based on the
2047 * reference ratio and the sink's reference volume.
2049 * This basically calculates:
2051 * i->volume = s->reference_volume * i->reference_ratio
2053 * This is identical to propagate_reference_volume() */
2054 i
->volume
= s
->reference_volume
;
2055 pa_cvolume_remap(&i
->volume
, &s
->channel_map
, &i
->channel_map
);
2056 pa_sw_cvolume_multiply(&i
->volume
, &i
->volume
, &i
->reference_ratio
);
2058 /* Notify if something changed */
2059 if (!pa_cvolume_equal(&old_volume
, &i
->volume
)) {
2061 if (i
->volume_changed
)
2062 i
->volume_changed(i
);
2064 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
2067 if (i
->origin_sink
&& (i
->origin_sink
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
))
2068 propagate_real_volume(i
->origin_sink
, old_real_volume
);
2072 /* Something got changed in the hardware. It probably makes sense
2073 * to save changed hw settings given that hw volume changes not
2074 * triggered by PA are almost certainly done by the user. */
2075 if (!(s
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
))
2076 s
->save_volume
= TRUE
;
2079 /* Called from io thread */
2080 void pa_sink_update_volume_and_mute(pa_sink
*s
) {
2082 pa_sink_assert_io_context(s
);
2084 pa_asyncmsgq_post(pa_thread_mq_get()->outq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE
, NULL
, 0, NULL
, NULL
);
2087 /* Called from main thread */
2088 const pa_cvolume
*pa_sink_get_volume(pa_sink
*s
, pa_bool_t force_refresh
) {
2089 pa_sink_assert_ref(s
);
2090 pa_assert_ctl_context();
2091 pa_assert(PA_SINK_IS_LINKED(s
->state
));
2093 if (s
->refresh_volume
|| force_refresh
) {
2094 struct pa_cvolume old_real_volume
;
2096 pa_assert(!(s
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
));
2098 old_real_volume
= s
->real_volume
;
2100 if (!(s
->flags
& PA_SINK_DEFERRED_VOLUME
) && s
->get_volume
)
2103 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_GET_VOLUME
, NULL
, 0, NULL
) == 0);
2105 update_real_volume(s
, &s
->real_volume
, &s
->channel_map
);
2106 propagate_real_volume(s
, &old_real_volume
);
2109 return &s
->reference_volume
;
2112 /* Called from main thread. In volume sharing cases, only the root sink may
2114 void pa_sink_volume_changed(pa_sink
*s
, const pa_cvolume
*new_real_volume
) {
2115 pa_cvolume old_real_volume
;
2117 pa_sink_assert_ref(s
);
2118 pa_assert_ctl_context();
2119 pa_assert(PA_SINK_IS_LINKED(s
->state
));
2120 pa_assert(!(s
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
));
2122 /* The sink implementor may call this if the volume changed to make sure everyone is notified */
2124 old_real_volume
= s
->real_volume
;
2125 update_real_volume(s
, new_real_volume
, &s
->channel_map
);
2126 propagate_real_volume(s
, &old_real_volume
);
2129 /* Called from main thread */
2130 void pa_sink_set_mute(pa_sink
*s
, pa_bool_t mute
, pa_bool_t save
) {
2131 pa_bool_t old_muted
;
2133 pa_sink_assert_ref(s
);
2134 pa_assert_ctl_context();
2135 pa_assert(PA_SINK_IS_LINKED(s
->state
));
2137 old_muted
= s
->muted
;
2139 s
->save_muted
= (old_muted
== s
->muted
&& s
->save_muted
) || save
;
2141 if (!(s
->flags
& PA_SINK_DEFERRED_VOLUME
) && s
->set_mute
)
2144 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_SET_MUTE
, NULL
, 0, NULL
) == 0);
2146 if (old_muted
!= s
->muted
)
2147 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
2150 /* Called from main thread */
2151 pa_bool_t
pa_sink_get_mute(pa_sink
*s
, pa_bool_t force_refresh
) {
2153 pa_sink_assert_ref(s
);
2154 pa_assert_ctl_context();
2155 pa_assert(PA_SINK_IS_LINKED(s
->state
));
2157 if (s
->refresh_muted
|| force_refresh
) {
2158 pa_bool_t old_muted
= s
->muted
;
2160 if (!(s
->flags
& PA_SINK_DEFERRED_VOLUME
) && s
->get_mute
)
2163 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_GET_MUTE
, NULL
, 0, NULL
) == 0);
2165 if (old_muted
!= s
->muted
) {
2166 s
->save_muted
= TRUE
;
2168 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
2170 /* Make sure the soft mute status stays in sync */
2171 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_SET_MUTE
, NULL
, 0, NULL
) == 0);
2178 /* Called from main thread */
2179 void pa_sink_mute_changed(pa_sink
*s
, pa_bool_t new_muted
) {
2180 pa_sink_assert_ref(s
);
2181 pa_assert_ctl_context();
2182 pa_assert(PA_SINK_IS_LINKED(s
->state
));
2184 /* The sink implementor may call this if the volume changed to make sure everyone is notified */
2186 if (s
->muted
== new_muted
)
2189 s
->muted
= new_muted
;
2190 s
->save_muted
= TRUE
;
2192 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
2195 /* Called from main thread */
2196 pa_bool_t
pa_sink_update_proplist(pa_sink
*s
, pa_update_mode_t mode
, pa_proplist
*p
) {
2197 pa_sink_assert_ref(s
);
2198 pa_assert_ctl_context();
2201 pa_proplist_update(s
->proplist
, mode
, p
);
2203 if (PA_SINK_IS_LINKED(s
->state
)) {
2204 pa_hook_fire(&s
->core
->hooks
[PA_CORE_HOOK_SINK_PROPLIST_CHANGED
], s
);
2205 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
2211 /* Called from main thread */
2212 /* FIXME -- this should be dropped and be merged into pa_sink_update_proplist() */
2213 void pa_sink_set_description(pa_sink
*s
, const char *description
) {
2215 pa_sink_assert_ref(s
);
2216 pa_assert_ctl_context();
2218 if (!description
&& !pa_proplist_contains(s
->proplist
, PA_PROP_DEVICE_DESCRIPTION
))
2221 old
= pa_proplist_gets(s
->proplist
, PA_PROP_DEVICE_DESCRIPTION
);
2223 if (old
&& description
&& pa_streq(old
, description
))
2227 pa_proplist_sets(s
->proplist
, PA_PROP_DEVICE_DESCRIPTION
, description
);
2229 pa_proplist_unset(s
->proplist
, PA_PROP_DEVICE_DESCRIPTION
);
2231 if (s
->monitor_source
) {
2234 n
= pa_sprintf_malloc("Monitor Source of %s", description
? description
: s
->name
);
2235 pa_source_set_description(s
->monitor_source
, n
);
2239 if (PA_SINK_IS_LINKED(s
->state
)) {
2240 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
2241 pa_hook_fire(&s
->core
->hooks
[PA_CORE_HOOK_SINK_PROPLIST_CHANGED
], s
);
2245 /* Called from main thread */
2246 unsigned pa_sink_linked_by(pa_sink
*s
) {
2249 pa_sink_assert_ref(s
);
2250 pa_assert_ctl_context();
2251 pa_assert(PA_SINK_IS_LINKED(s
->state
));
2253 ret
= pa_idxset_size(s
->inputs
);
2255 /* We add in the number of streams connected to us here. Please
2256 * note the asymmetry to pa_sink_used_by()! */
2258 if (s
->monitor_source
)
2259 ret
+= pa_source_linked_by(s
->monitor_source
);
2264 /* Called from main thread */
2265 unsigned pa_sink_used_by(pa_sink
*s
) {
2268 pa_sink_assert_ref(s
);
2269 pa_assert_ctl_context();
2270 pa_assert(PA_SINK_IS_LINKED(s
->state
));
2272 ret
= pa_idxset_size(s
->inputs
);
2273 pa_assert(ret
>= s
->n_corked
);
2275 /* Streams connected to our monitor source do not matter for
2276 * pa_sink_used_by()!.*/
2278 return ret
- s
->n_corked
;
2281 /* Called from main thread */
2282 unsigned pa_sink_check_suspend(pa_sink
*s
) {
2287 pa_sink_assert_ref(s
);
2288 pa_assert_ctl_context();
2290 if (!PA_SINK_IS_LINKED(s
->state
))
2295 PA_IDXSET_FOREACH(i
, s
->inputs
, idx
) {
2296 pa_sink_input_state_t st
;
2298 st
= pa_sink_input_get_state(i
);
2300 /* We do not assert here. It is perfectly valid for a sink input to
2301 * be in the INIT state (i.e. created, marked done but not yet put)
2302 * and we should not care if it's unlinked as it won't contribute
2303 * towards our busy status.
2305 if (!PA_SINK_INPUT_IS_LINKED(st
))
2308 if (st
== PA_SINK_INPUT_CORKED
)
2311 if (i
->flags
& PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND
)
2317 if (s
->monitor_source
)
2318 ret
+= pa_source_check_suspend(s
->monitor_source
);
2323 /* Called from the IO thread */
2324 static void sync_input_volumes_within_thread(pa_sink
*s
) {
2328 pa_sink_assert_ref(s
);
2329 pa_sink_assert_io_context(s
);
2331 PA_HASHMAP_FOREACH(i
, s
->thread_info
.inputs
, state
) {
2332 if (pa_cvolume_equal(&i
->thread_info
.soft_volume
, &i
->soft_volume
))
2335 i
->thread_info
.soft_volume
= i
->soft_volume
;
2336 pa_sink_input_request_rewind(i
, 0, TRUE
, FALSE
, FALSE
);
2340 /* Called from the IO thread. Only called for the root sink in volume sharing
2341 * cases, except for internal recursive calls. */
2342 static void set_shared_volume_within_thread(pa_sink
*s
) {
2343 pa_sink_input
*i
= NULL
;
2346 pa_sink_assert_ref(s
);
2348 PA_MSGOBJECT(s
)->process_msg(PA_MSGOBJECT(s
), PA_SINK_MESSAGE_SET_VOLUME_SYNCED
, NULL
, 0, NULL
);
2350 PA_HASHMAP_FOREACH(i
, s
->thread_info
.inputs
, state
) {
2351 if (i
->origin_sink
&& (i
->origin_sink
->flags
& PA_SINK_SHARE_VOLUME_WITH_MASTER
))
2352 set_shared_volume_within_thread(i
->origin_sink
);
2356 /* Called from IO thread, except when it is not */
2357 int pa_sink_process_msg(pa_msgobject
*o
, int code
, void *userdata
, int64_t offset
, pa_memchunk
*chunk
) {
2358 pa_sink
*s
= PA_SINK(o
);
2359 pa_sink_assert_ref(s
);
2361 switch ((pa_sink_message_t
) code
) {
2363 case PA_SINK_MESSAGE_ADD_INPUT
: {
2364 pa_sink_input
*i
= PA_SINK_INPUT(userdata
);
2366 /* If you change anything here, make sure to change the
2367 * sink input handling a few lines down at
2368 * PA_SINK_MESSAGE_FINISH_MOVE, too. */
2370 pa_hashmap_put(s
->thread_info
.inputs
, PA_UINT32_TO_PTR(i
->index
), pa_sink_input_ref(i
));
2372 /* Since the caller sleeps in pa_sink_input_put(), we can
2373 * safely access data outside of thread_info even though
2376 if ((i
->thread_info
.sync_prev
= i
->sync_prev
)) {
2377 pa_assert(i
->sink
== i
->thread_info
.sync_prev
->sink
);
2378 pa_assert(i
->sync_prev
->sync_next
== i
);
2379 i
->thread_info
.sync_prev
->thread_info
.sync_next
= i
;
2382 if ((i
->thread_info
.sync_next
= i
->sync_next
)) {
2383 pa_assert(i
->sink
== i
->thread_info
.sync_next
->sink
);
2384 pa_assert(i
->sync_next
->sync_prev
== i
);
2385 i
->thread_info
.sync_next
->thread_info
.sync_prev
= i
;
2388 pa_assert(!i
->thread_info
.attached
);
2389 i
->thread_info
.attached
= TRUE
;
2394 pa_sink_input_set_state_within_thread(i
, i
->state
);
2396 /* The requested latency of the sink input needs to be
2397 * fixed up and then configured on the sink */
2399 if (i
->thread_info
.requested_sink_latency
!= (pa_usec_t
) -1)
2400 pa_sink_input_set_requested_latency_within_thread(i
, i
->thread_info
.requested_sink_latency
);
2402 pa_sink_input_update_max_rewind(i
, s
->thread_info
.max_rewind
);
2403 pa_sink_input_update_max_request(i
, s
->thread_info
.max_request
);
2405 /* We don't rewind here automatically. This is left to the
2406 * sink input implementor because some sink inputs need a
2407 * slow start, i.e. need some time to buffer client
2408 * samples before beginning streaming. */
2410 /* FIXME: Actually rewinding should be requested before
2411 * updating the sink requested latency, because updating
2412 * the requested latency updates also max_rewind of the
2413 * sink. Now consider this: a sink has a 10 s buffer and
2414 * nobody has requested anything less. Then a new stream
2415 * appears while the sink buffer is full. The new stream
2416 * requests e.g. 100 ms latency. That request is forwarded
2417 * to the sink, so now max_rewind is 100 ms. When a rewind
2418 * is requested, the sink will only rewind 100 ms, and the
2419 * new stream will have to wait about 10 seconds before it
2420 * becomes audible. */
2422 /* In flat volume mode we need to update the volume as
2424 return o
->process_msg(o
, PA_SINK_MESSAGE_SET_SHARED_VOLUME
, NULL
, 0, NULL
);
2427 case PA_SINK_MESSAGE_REMOVE_INPUT
: {
2428 pa_sink_input
*i
= PA_SINK_INPUT(userdata
);
2430 /* If you change anything here, make sure to change the
2431 * sink input handling a few lines down at
2432 * PA_SINK_MESSAGE_START_MOVE, too. */
2437 pa_sink_input_set_state_within_thread(i
, i
->state
);
2439 pa_assert(i
->thread_info
.attached
);
2440 i
->thread_info
.attached
= FALSE
;
2442 /* Since the caller sleeps in pa_sink_input_unlink(),
2443 * we can safely access data outside of thread_info even
2444 * though it is mutable */
2446 pa_assert(!i
->sync_prev
);
2447 pa_assert(!i
->sync_next
);
2449 if (i
->thread_info
.sync_prev
) {
2450 i
->thread_info
.sync_prev
->thread_info
.sync_next
= i
->thread_info
.sync_prev
->sync_next
;
2451 i
->thread_info
.sync_prev
= NULL
;
2454 if (i
->thread_info
.sync_next
) {
2455 i
->thread_info
.sync_next
->thread_info
.sync_prev
= i
->thread_info
.sync_next
->sync_prev
;
2456 i
->thread_info
.sync_next
= NULL
;
2459 if (pa_hashmap_remove(s
->thread_info
.inputs
, PA_UINT32_TO_PTR(i
->index
)))
2460 pa_sink_input_unref(i
);
2462 pa_sink_invalidate_requested_latency(s
, TRUE
);
2463 pa_sink_request_rewind(s
, (size_t) -1);
2465 /* In flat volume mode we need to update the volume as
2467 return o
->process_msg(o
, PA_SINK_MESSAGE_SET_SHARED_VOLUME
, NULL
, 0, NULL
);
2470 case PA_SINK_MESSAGE_START_MOVE
: {
2471 pa_sink_input
*i
= PA_SINK_INPUT(userdata
);
2473 /* We don't support moving synchronized streams. */
2474 pa_assert(!i
->sync_prev
);
2475 pa_assert(!i
->sync_next
);
2476 pa_assert(!i
->thread_info
.sync_next
);
2477 pa_assert(!i
->thread_info
.sync_prev
);
2479 if (i
->thread_info
.state
!= PA_SINK_INPUT_CORKED
) {
2481 size_t sink_nbytes
, total_nbytes
;
2483 /* The old sink probably has some audio from this
2484 * stream in its buffer. We want to "take it back" as
2485 * much as possible and play it to the new sink. We
2486 * don't know at this point how much the old sink can
2487 * rewind. We have to pick something, and that
2488 * something is the full latency of the old sink here.
2489 * So we rewind the stream buffer by the sink latency
2490 * amount, which may be more than what we should
2491 * rewind. This can result in a chunk of audio being
2492 * played both to the old sink and the new sink.
2494 * FIXME: Fix this code so that we don't have to make
2495 * guesses about how much the sink will actually be
2496 * able to rewind. If someone comes up with a solution
2497 * for this, something to note is that the part of the
2498 * latency that the old sink couldn't rewind should
2499 * ideally be compensated after the stream has moved
2500 * to the new sink by adding silence. The new sink
2501 * most likely can't start playing the moved stream
2502 * immediately, and that gap should be removed from
2503 * the "compensation silence" (at least at the time of
2504 * writing this, the move finish code will actually
2505 * already take care of dropping the new sink's
2506 * unrewindable latency, so taking into account the
2507 * unrewindable latency of the old sink is the only
2510 * The render_memblockq contents are discarded,
2511 * because when the sink changes, the format of the
2512 * audio stored in the render_memblockq may change
2513 * too, making the stored audio invalid. FIXME:
2514 * However, the read and write indices are moved back
2515 * the same amount, so if they are not the same now,
2516 * they won't be the same after the rewind either. If
2517 * the write index of the render_memblockq is ahead of
2518 * the read index, then the render_memblockq will feed
2519 * the new sink some silence first, which it shouldn't
2520 * do. The write index should be flushed to be the
2521 * same as the read index. */
2523 /* Get the latency of the sink */
2524 usec
= pa_sink_get_latency_within_thread(s
);
2525 sink_nbytes
= pa_usec_to_bytes(usec
, &s
->sample_spec
);
2526 total_nbytes
= sink_nbytes
+ pa_memblockq_get_length(i
->thread_info
.render_memblockq
);
2528 if (total_nbytes
> 0) {
2529 i
->thread_info
.rewrite_nbytes
= i
->thread_info
.resampler
? pa_resampler_request(i
->thread_info
.resampler
, total_nbytes
) : total_nbytes
;
2530 i
->thread_info
.rewrite_flush
= TRUE
;
2531 pa_sink_input_process_rewind(i
, sink_nbytes
);
2538 pa_assert(i
->thread_info
.attached
);
2539 i
->thread_info
.attached
= FALSE
;
2541 /* Let's remove the sink input ...*/
2542 if (pa_hashmap_remove(s
->thread_info
.inputs
, PA_UINT32_TO_PTR(i
->index
)))
2543 pa_sink_input_unref(i
);
2545 pa_sink_invalidate_requested_latency(s
, TRUE
);
2547 pa_log_debug("Requesting rewind due to started move");
2548 pa_sink_request_rewind(s
, (size_t) -1);
2550 /* In flat volume mode we need to update the volume as
2552 return o
->process_msg(o
, PA_SINK_MESSAGE_SET_SHARED_VOLUME
, NULL
, 0, NULL
);
2555 case PA_SINK_MESSAGE_FINISH_MOVE
: {
2556 pa_sink_input
*i
= PA_SINK_INPUT(userdata
);
2558 /* We don't support moving synchronized streams. */
2559 pa_assert(!i
->sync_prev
);
2560 pa_assert(!i
->sync_next
);
2561 pa_assert(!i
->thread_info
.sync_next
);
2562 pa_assert(!i
->thread_info
.sync_prev
);
2564 pa_hashmap_put(s
->thread_info
.inputs
, PA_UINT32_TO_PTR(i
->index
), pa_sink_input_ref(i
));
2566 pa_assert(!i
->thread_info
.attached
);
2567 i
->thread_info
.attached
= TRUE
;
2572 if (i
->thread_info
.state
!= PA_SINK_INPUT_CORKED
) {
2576 /* In the ideal case the new sink would start playing
2577 * the stream immediately. That requires the sink to
2578 * be able to rewind all of its latency, which usually
2579 * isn't possible, so there will probably be some gap
2580 * before the moved stream becomes audible. We then
2581 * have two possibilities: 1) start playing the stream
2582 * from where it is now, or 2) drop the unrewindable
2583 * latency of the sink from the stream. With option 1
2584 * we won't lose any audio but the stream will have a
2585 * pause. With option 2 we may lose some audio but the
2586 * stream time will be somewhat in sync with the wall
2587 * clock. Lennart seems to have chosen option 2 (one
2588 * of the reasons might have been that option 1 is
2589 * actually much harder to implement), so we drop the
2590 * latency of the new sink from the moved stream and
2591 * hope that the sink will undo most of that in the
2594 /* Get the latency of the sink */
2595 usec
= pa_sink_get_latency_within_thread(s
);
2596 nbytes
= pa_usec_to_bytes(usec
, &s
->sample_spec
);
2599 pa_sink_input_drop(i
, nbytes
);
2601 pa_log_debug("Requesting rewind due to finished move");
2602 pa_sink_request_rewind(s
, nbytes
);
2605 /* Updating the requested sink latency has to be done
2606 * after the sink rewind request, not before, because
2607 * otherwise the sink may limit the rewind amount
2610 if (i
->thread_info
.requested_sink_latency
!= (pa_usec_t
) -1)
2611 pa_sink_input_set_requested_latency_within_thread(i
, i
->thread_info
.requested_sink_latency
);
2613 pa_sink_input_update_max_rewind(i
, s
->thread_info
.max_rewind
);
2614 pa_sink_input_update_max_request(i
, s
->thread_info
.max_request
);
2616 return o
->process_msg(o
, PA_SINK_MESSAGE_SET_SHARED_VOLUME
, NULL
, 0, NULL
);
2619 case PA_SINK_MESSAGE_SET_SHARED_VOLUME
: {
2620 pa_sink
*root_sink
= pa_sink_get_master(s
);
2622 if (PA_LIKELY(root_sink
))
2623 set_shared_volume_within_thread(root_sink
);
2628 case PA_SINK_MESSAGE_SET_VOLUME_SYNCED
:
2630 if (s
->flags
& PA_SINK_DEFERRED_VOLUME
) {
2632 pa_sink_volume_change_push(s
);
2634 /* Fall through ... */
2636 case PA_SINK_MESSAGE_SET_VOLUME
:
2638 if (!pa_cvolume_equal(&s
->thread_info
.soft_volume
, &s
->soft_volume
)) {
2639 s
->thread_info
.soft_volume
= s
->soft_volume
;
2640 pa_sink_request_rewind(s
, (size_t) -1);
2643 /* Fall through ... */
2645 case PA_SINK_MESSAGE_SYNC_VOLUMES
:
2646 sync_input_volumes_within_thread(s
);
2649 case PA_SINK_MESSAGE_GET_VOLUME
:
2651 if ((s
->flags
& PA_SINK_DEFERRED_VOLUME
) && s
->get_volume
) {
2653 pa_sink_volume_change_flush(s
);
2654 pa_sw_cvolume_divide(&s
->thread_info
.current_hw_volume
, &s
->real_volume
, &s
->soft_volume
);
2657 /* In case sink implementor reset SW volume. */
2658 if (!pa_cvolume_equal(&s
->thread_info
.soft_volume
, &s
->soft_volume
)) {
2659 s
->thread_info
.soft_volume
= s
->soft_volume
;
2660 pa_sink_request_rewind(s
, (size_t) -1);
2665 case PA_SINK_MESSAGE_SET_MUTE
:
2667 if (s
->thread_info
.soft_muted
!= s
->muted
) {
2668 s
->thread_info
.soft_muted
= s
->muted
;
2669 pa_sink_request_rewind(s
, (size_t) -1);
2672 if (s
->flags
& PA_SINK_DEFERRED_VOLUME
&& s
->set_mute
)
2677 case PA_SINK_MESSAGE_GET_MUTE
:
2679 if (s
->flags
& PA_SINK_DEFERRED_VOLUME
&& s
->get_mute
)
2684 case PA_SINK_MESSAGE_SET_STATE
: {
2686 pa_bool_t suspend_change
=
2687 (s
->thread_info
.state
== PA_SINK_SUSPENDED
&& PA_SINK_IS_OPENED(PA_PTR_TO_UINT(userdata
))) ||
2688 (PA_SINK_IS_OPENED(s
->thread_info
.state
) && PA_PTR_TO_UINT(userdata
) == PA_SINK_SUSPENDED
);
2690 s
->thread_info
.state
= PA_PTR_TO_UINT(userdata
);
2692 if (s
->thread_info
.state
== PA_SINK_SUSPENDED
) {
2693 s
->thread_info
.rewind_nbytes
= 0;
2694 s
->thread_info
.rewind_requested
= FALSE
;
2697 if (suspend_change
) {
2701 while ((i
= pa_hashmap_iterate(s
->thread_info
.inputs
, &state
, NULL
)))
2702 if (i
->suspend_within_thread
)
2703 i
->suspend_within_thread(i
, s
->thread_info
.state
== PA_SINK_SUSPENDED
);
2709 case PA_SINK_MESSAGE_DETACH
:
2711 /* Detach all streams */
2712 pa_sink_detach_within_thread(s
);
2715 case PA_SINK_MESSAGE_ATTACH
:
2717 /* Reattach all streams */
2718 pa_sink_attach_within_thread(s
);
2721 case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY
: {
2723 pa_usec_t
*usec
= userdata
;
2724 *usec
= pa_sink_get_requested_latency_within_thread(s
);
2726 /* Yes, that's right, the IO thread will see -1 when no
2727 * explicit requested latency is configured, the main
2728 * thread will see max_latency */
2729 if (*usec
== (pa_usec_t
) -1)
2730 *usec
= s
->thread_info
.max_latency
;
2735 case PA_SINK_MESSAGE_SET_LATENCY_RANGE
: {
2736 pa_usec_t
*r
= userdata
;
2738 pa_sink_set_latency_range_within_thread(s
, r
[0], r
[1]);
2743 case PA_SINK_MESSAGE_GET_LATENCY_RANGE
: {
2744 pa_usec_t
*r
= userdata
;
2746 r
[0] = s
->thread_info
.min_latency
;
2747 r
[1] = s
->thread_info
.max_latency
;
2752 case PA_SINK_MESSAGE_GET_FIXED_LATENCY
:
2754 *((pa_usec_t
*) userdata
) = s
->thread_info
.fixed_latency
;
2757 case PA_SINK_MESSAGE_SET_FIXED_LATENCY
:
2759 pa_sink_set_fixed_latency_within_thread(s
, (pa_usec_t
) offset
);
2762 case PA_SINK_MESSAGE_GET_MAX_REWIND
:
2764 *((size_t*) userdata
) = s
->thread_info
.max_rewind
;
2767 case PA_SINK_MESSAGE_GET_MAX_REQUEST
:
2769 *((size_t*) userdata
) = s
->thread_info
.max_request
;
2772 case PA_SINK_MESSAGE_SET_MAX_REWIND
:
2774 pa_sink_set_max_rewind_within_thread(s
, (size_t) offset
);
2777 case PA_SINK_MESSAGE_SET_MAX_REQUEST
:
2779 pa_sink_set_max_request_within_thread(s
, (size_t) offset
);
2782 case PA_SINK_MESSAGE_SET_PORT
:
2784 pa_assert(userdata
);
2786 struct sink_message_set_port
*msg_data
= userdata
;
2787 msg_data
->ret
= s
->set_port(s
, msg_data
->port
);
2791 case PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE
:
2792 /* This message is sent from IO-thread and handled in main thread. */
2793 pa_assert_ctl_context();
2795 /* Make sure we're not messing with main thread when no longer linked */
2796 if (!PA_SINK_IS_LINKED(s
->state
))
2799 pa_sink_get_volume(s
, TRUE
);
2800 pa_sink_get_mute(s
, TRUE
);
2803 case PA_SINK_MESSAGE_GET_LATENCY
:
2804 case PA_SINK_MESSAGE_MAX
:
2811 /* Called from main thread */
2812 int pa_sink_suspend_all(pa_core
*c
, pa_bool_t suspend
, pa_suspend_cause_t cause
) {
2817 pa_core_assert_ref(c
);
2818 pa_assert_ctl_context();
2819 pa_assert(cause
!= 0);
2821 PA_IDXSET_FOREACH(sink
, c
->sinks
, idx
) {
2824 if ((r
= pa_sink_suspend(sink
, suspend
, cause
)) < 0)
2831 /* Called from main thread */
2832 void pa_sink_detach(pa_sink
*s
) {
2833 pa_sink_assert_ref(s
);
2834 pa_assert_ctl_context();
2835 pa_assert(PA_SINK_IS_LINKED(s
->state
));
2837 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_DETACH
, NULL
, 0, NULL
) == 0);
2840 /* Called from main thread */
2841 void pa_sink_attach(pa_sink
*s
) {
2842 pa_sink_assert_ref(s
);
2843 pa_assert_ctl_context();
2844 pa_assert(PA_SINK_IS_LINKED(s
->state
));
2846 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_ATTACH
, NULL
, 0, NULL
) == 0);
2849 /* Called from IO thread */
2850 void pa_sink_detach_within_thread(pa_sink
*s
) {
2854 pa_sink_assert_ref(s
);
2855 pa_sink_assert_io_context(s
);
2856 pa_assert(PA_SINK_IS_LINKED(s
->thread_info
.state
));
2858 PA_HASHMAP_FOREACH(i
, s
->thread_info
.inputs
, state
)
2862 if (s
->monitor_source
)
2863 pa_source_detach_within_thread(s
->monitor_source
);
2866 /* Called from IO thread */
2867 void pa_sink_attach_within_thread(pa_sink
*s
) {
2871 pa_sink_assert_ref(s
);
2872 pa_sink_assert_io_context(s
);
2873 pa_assert(PA_SINK_IS_LINKED(s
->thread_info
.state
));
2875 PA_HASHMAP_FOREACH(i
, s
->thread_info
.inputs
, state
)
2879 if (s
->monitor_source
)
2880 pa_source_attach_within_thread(s
->monitor_source
);
2883 /* Called from IO thread */
2884 void pa_sink_request_rewind(pa_sink
*s
, size_t nbytes
) {
2885 pa_sink_assert_ref(s
);
2886 pa_sink_assert_io_context(s
);
2887 pa_assert(PA_SINK_IS_LINKED(s
->thread_info
.state
));
2889 if (s
->thread_info
.state
== PA_SINK_SUSPENDED
)
2892 if (nbytes
== (size_t) -1)
2893 nbytes
= s
->thread_info
.max_rewind
;
2895 nbytes
= PA_MIN(nbytes
, s
->thread_info
.max_rewind
);
2897 if (s
->thread_info
.rewind_requested
&&
2898 nbytes
<= s
->thread_info
.rewind_nbytes
)
2901 s
->thread_info
.rewind_nbytes
= nbytes
;
2902 s
->thread_info
.rewind_requested
= TRUE
;
2904 if (s
->request_rewind
)
2905 s
->request_rewind(s
);
2908 /* Called from IO thread */
2909 pa_usec_t
pa_sink_get_requested_latency_within_thread(pa_sink
*s
) {
2910 pa_usec_t result
= (pa_usec_t
) -1;
2913 pa_usec_t monitor_latency
;
2915 pa_sink_assert_ref(s
);
2916 pa_sink_assert_io_context(s
);
2918 if (!(s
->flags
& PA_SINK_DYNAMIC_LATENCY
))
2919 return PA_CLAMP(s
->thread_info
.fixed_latency
, s
->thread_info
.min_latency
, s
->thread_info
.max_latency
);
2921 if (s
->thread_info
.requested_latency_valid
)
2922 return s
->thread_info
.requested_latency
;
2924 PA_HASHMAP_FOREACH(i
, s
->thread_info
.inputs
, state
)
2925 if (i
->thread_info
.requested_sink_latency
!= (pa_usec_t
) -1 &&
2926 (result
== (pa_usec_t
) -1 || result
> i
->thread_info
.requested_sink_latency
))
2927 result
= i
->thread_info
.requested_sink_latency
;
2929 monitor_latency
= pa_source_get_requested_latency_within_thread(s
->monitor_source
);
2931 if (monitor_latency
!= (pa_usec_t
) -1 &&
2932 (result
== (pa_usec_t
) -1 || result
> monitor_latency
))
2933 result
= monitor_latency
;
2935 if (result
!= (pa_usec_t
) -1)
2936 result
= PA_CLAMP(result
, s
->thread_info
.min_latency
, s
->thread_info
.max_latency
);
2938 if (PA_SINK_IS_LINKED(s
->thread_info
.state
)) {
2939 /* Only cache if properly initialized */
2940 s
->thread_info
.requested_latency
= result
;
2941 s
->thread_info
.requested_latency_valid
= TRUE
;
2947 /* Called from main thread */
2948 pa_usec_t
pa_sink_get_requested_latency(pa_sink
*s
) {
2951 pa_sink_assert_ref(s
);
2952 pa_assert_ctl_context();
2953 pa_assert(PA_SINK_IS_LINKED(s
->state
));
2955 if (s
->state
== PA_SINK_SUSPENDED
)
2958 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY
, &usec
, 0, NULL
) == 0);
2963 /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
2964 void pa_sink_set_max_rewind_within_thread(pa_sink
*s
, size_t max_rewind
) {
2968 pa_sink_assert_ref(s
);
2969 pa_sink_assert_io_context(s
);
2971 if (max_rewind
== s
->thread_info
.max_rewind
)
2974 s
->thread_info
.max_rewind
= max_rewind
;
2976 if (PA_SINK_IS_LINKED(s
->thread_info
.state
))
2977 PA_HASHMAP_FOREACH(i
, s
->thread_info
.inputs
, state
)
2978 pa_sink_input_update_max_rewind(i
, s
->thread_info
.max_rewind
);
2980 if (s
->monitor_source
)
2981 pa_source_set_max_rewind_within_thread(s
->monitor_source
, s
->thread_info
.max_rewind
);
2984 /* Called from main thread */
2985 void pa_sink_set_max_rewind(pa_sink
*s
, size_t max_rewind
) {
2986 pa_sink_assert_ref(s
);
2987 pa_assert_ctl_context();
2989 if (PA_SINK_IS_LINKED(s
->state
))
2990 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_SET_MAX_REWIND
, NULL
, max_rewind
, NULL
) == 0);
2992 pa_sink_set_max_rewind_within_thread(s
, max_rewind
);
2995 /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
2996 void pa_sink_set_max_request_within_thread(pa_sink
*s
, size_t max_request
) {
2999 pa_sink_assert_ref(s
);
3000 pa_sink_assert_io_context(s
);
3002 if (max_request
== s
->thread_info
.max_request
)
3005 s
->thread_info
.max_request
= max_request
;
3007 if (PA_SINK_IS_LINKED(s
->thread_info
.state
)) {
3010 PA_HASHMAP_FOREACH(i
, s
->thread_info
.inputs
, state
)
3011 pa_sink_input_update_max_request(i
, s
->thread_info
.max_request
);
3015 /* Called from main thread */
3016 void pa_sink_set_max_request(pa_sink
*s
, size_t max_request
) {
3017 pa_sink_assert_ref(s
);
3018 pa_assert_ctl_context();
3020 if (PA_SINK_IS_LINKED(s
->state
))
3021 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_SET_MAX_REQUEST
, NULL
, max_request
, NULL
) == 0);
3023 pa_sink_set_max_request_within_thread(s
, max_request
);
3026 /* Called from IO thread */
3027 void pa_sink_invalidate_requested_latency(pa_sink
*s
, pa_bool_t dynamic
) {
3031 pa_sink_assert_ref(s
);
3032 pa_sink_assert_io_context(s
);
3034 if ((s
->flags
& PA_SINK_DYNAMIC_LATENCY
))
3035 s
->thread_info
.requested_latency_valid
= FALSE
;
3039 if (PA_SINK_IS_LINKED(s
->thread_info
.state
)) {
3041 if (s
->update_requested_latency
)
3042 s
->update_requested_latency(s
);
3044 PA_HASHMAP_FOREACH(i
, s
->thread_info
.inputs
, state
)
3045 if (i
->update_sink_requested_latency
)
3046 i
->update_sink_requested_latency(i
);
3050 /* Called from main thread */
3051 void pa_sink_set_latency_range(pa_sink
*s
, pa_usec_t min_latency
, pa_usec_t max_latency
) {
3052 pa_sink_assert_ref(s
);
3053 pa_assert_ctl_context();
3055 /* min_latency == 0: no limit
3056 * min_latency anything else: specified limit
3058 * Similar for max_latency */
3060 if (min_latency
< ABSOLUTE_MIN_LATENCY
)
3061 min_latency
= ABSOLUTE_MIN_LATENCY
;
3063 if (max_latency
<= 0 ||
3064 max_latency
> ABSOLUTE_MAX_LATENCY
)
3065 max_latency
= ABSOLUTE_MAX_LATENCY
;
3067 pa_assert(min_latency
<= max_latency
);
3069 /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
3070 pa_assert((min_latency
== ABSOLUTE_MIN_LATENCY
&&
3071 max_latency
== ABSOLUTE_MAX_LATENCY
) ||
3072 (s
->flags
& PA_SINK_DYNAMIC_LATENCY
));
3074 if (PA_SINK_IS_LINKED(s
->state
)) {
3080 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_SET_LATENCY_RANGE
, r
, 0, NULL
) == 0);
3082 pa_sink_set_latency_range_within_thread(s
, min_latency
, max_latency
);
3085 /* Called from main thread */
3086 void pa_sink_get_latency_range(pa_sink
*s
, pa_usec_t
*min_latency
, pa_usec_t
*max_latency
) {
3087 pa_sink_assert_ref(s
);
3088 pa_assert_ctl_context();
3089 pa_assert(min_latency
);
3090 pa_assert(max_latency
);
3092 if (PA_SINK_IS_LINKED(s
->state
)) {
3093 pa_usec_t r
[2] = { 0, 0 };
3095 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_GET_LATENCY_RANGE
, r
, 0, NULL
) == 0);
3097 *min_latency
= r
[0];
3098 *max_latency
= r
[1];
3100 *min_latency
= s
->thread_info
.min_latency
;
3101 *max_latency
= s
->thread_info
.max_latency
;
3105 /* Called from IO thread */
3106 void pa_sink_set_latency_range_within_thread(pa_sink
*s
, pa_usec_t min_latency
, pa_usec_t max_latency
) {
3107 pa_sink_assert_ref(s
);
3108 pa_sink_assert_io_context(s
);
3110 pa_assert(min_latency
>= ABSOLUTE_MIN_LATENCY
);
3111 pa_assert(max_latency
<= ABSOLUTE_MAX_LATENCY
);
3112 pa_assert(min_latency
<= max_latency
);
3114 /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
3115 pa_assert((min_latency
== ABSOLUTE_MIN_LATENCY
&&
3116 max_latency
== ABSOLUTE_MAX_LATENCY
) ||
3117 (s
->flags
& PA_SINK_DYNAMIC_LATENCY
));
3119 if (s
->thread_info
.min_latency
== min_latency
&&
3120 s
->thread_info
.max_latency
== max_latency
)
3123 s
->thread_info
.min_latency
= min_latency
;
3124 s
->thread_info
.max_latency
= max_latency
;
3126 if (PA_SINK_IS_LINKED(s
->thread_info
.state
)) {
3130 PA_HASHMAP_FOREACH(i
, s
->thread_info
.inputs
, state
)
3131 if (i
->update_sink_latency_range
)
3132 i
->update_sink_latency_range(i
);
3135 pa_sink_invalidate_requested_latency(s
, FALSE
);
3137 pa_source_set_latency_range_within_thread(s
->monitor_source
, min_latency
, max_latency
);
3140 /* Called from main thread */
3141 void pa_sink_set_fixed_latency(pa_sink
*s
, pa_usec_t latency
) {
3142 pa_sink_assert_ref(s
);
3143 pa_assert_ctl_context();
3145 if (s
->flags
& PA_SINK_DYNAMIC_LATENCY
) {
3146 pa_assert(latency
== 0);
3150 if (latency
< ABSOLUTE_MIN_LATENCY
)
3151 latency
= ABSOLUTE_MIN_LATENCY
;
3153 if (latency
> ABSOLUTE_MAX_LATENCY
)
3154 latency
= ABSOLUTE_MAX_LATENCY
;
3156 if (PA_SINK_IS_LINKED(s
->state
))
3157 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_SET_FIXED_LATENCY
, NULL
, (int64_t) latency
, NULL
) == 0);
3159 s
->thread_info
.fixed_latency
= latency
;
3161 pa_source_set_fixed_latency(s
->monitor_source
, latency
);
3164 /* Called from main thread */
3165 pa_usec_t
pa_sink_get_fixed_latency(pa_sink
*s
) {
3168 pa_sink_assert_ref(s
);
3169 pa_assert_ctl_context();
3171 if (s
->flags
& PA_SINK_DYNAMIC_LATENCY
)
3174 if (PA_SINK_IS_LINKED(s
->state
))
3175 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_GET_FIXED_LATENCY
, &latency
, 0, NULL
) == 0);
3177 latency
= s
->thread_info
.fixed_latency
;
3182 /* Called from IO thread */
3183 void pa_sink_set_fixed_latency_within_thread(pa_sink
*s
, pa_usec_t latency
) {
3184 pa_sink_assert_ref(s
);
3185 pa_sink_assert_io_context(s
);
3187 if (s
->flags
& PA_SINK_DYNAMIC_LATENCY
) {
3188 pa_assert(latency
== 0);
3192 pa_assert(latency
>= ABSOLUTE_MIN_LATENCY
);
3193 pa_assert(latency
<= ABSOLUTE_MAX_LATENCY
);
3195 if (s
->thread_info
.fixed_latency
== latency
)
3198 s
->thread_info
.fixed_latency
= latency
;
3200 if (PA_SINK_IS_LINKED(s
->thread_info
.state
)) {
3204 PA_HASHMAP_FOREACH(i
, s
->thread_info
.inputs
, state
)
3205 if (i
->update_sink_fixed_latency
)
3206 i
->update_sink_fixed_latency(i
);
3209 pa_sink_invalidate_requested_latency(s
, FALSE
);
3211 pa_source_set_fixed_latency_within_thread(s
->monitor_source
, latency
);
3214 /* Called from main context */
3215 size_t pa_sink_get_max_rewind(pa_sink
*s
) {
3217 pa_assert_ctl_context();
3218 pa_sink_assert_ref(s
);
3220 if (!PA_SINK_IS_LINKED(s
->state
))
3221 return s
->thread_info
.max_rewind
;
3223 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_GET_MAX_REWIND
, &r
, 0, NULL
) == 0);
3228 /* Called from main context */
3229 size_t pa_sink_get_max_request(pa_sink
*s
) {
3231 pa_sink_assert_ref(s
);
3232 pa_assert_ctl_context();
3234 if (!PA_SINK_IS_LINKED(s
->state
))
3235 return s
->thread_info
.max_request
;
3237 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_GET_MAX_REQUEST
, &r
, 0, NULL
) == 0);
3242 /* Called from main context */
3243 int pa_sink_set_port(pa_sink
*s
, const char *name
, pa_bool_t save
) {
3244 pa_device_port
*port
;
3247 pa_sink_assert_ref(s
);
3248 pa_assert_ctl_context();
3251 pa_log_debug("set_port() operation not implemented for sink %u \"%s\"", s
->index
, s
->name
);
3252 return -PA_ERR_NOTIMPLEMENTED
;
3256 return -PA_ERR_NOENTITY
;
3258 if (!(port
= pa_hashmap_get(s
->ports
, name
)))
3259 return -PA_ERR_NOENTITY
;
3261 if (s
->active_port
== port
) {
3262 s
->save_port
= s
->save_port
|| save
;
3266 if (s
->flags
& PA_SINK_DEFERRED_VOLUME
) {
3267 struct sink_message_set_port msg
= { .port
= port
, .ret
= 0 };
3268 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SINK_MESSAGE_SET_PORT
, &msg
, 0, NULL
) == 0);
3272 ret
= s
->set_port(s
, port
);
3275 return -PA_ERR_NOENTITY
;
3277 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SINK
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
3279 pa_log_info("Changed port of sink %u \"%s\" to %s", s
->index
, s
->name
, port
->name
);
3281 s
->active_port
= port
;
3282 s
->save_port
= save
;
3284 pa_hook_fire(&s
->core
->hooks
[PA_CORE_HOOK_SINK_PORT_CHANGED
], s
);
3289 pa_bool_t
pa_device_init_icon(pa_proplist
*p
, pa_bool_t is_sink
) {
3290 const char *ff
, *c
, *t
= NULL
, *s
= "", *profile
, *bus
;
3294 if (pa_proplist_contains(p
, PA_PROP_DEVICE_ICON_NAME
))
3297 if ((ff
= pa_proplist_gets(p
, PA_PROP_DEVICE_FORM_FACTOR
))) {
3299 if (pa_streq(ff
, "microphone"))
3300 t
= "audio-input-microphone";
3301 else if (pa_streq(ff
, "webcam"))
3303 else if (pa_streq(ff
, "computer"))
3305 else if (pa_streq(ff
, "handset"))
3307 else if (pa_streq(ff
, "portable"))
3308 t
= "multimedia-player";
3309 else if (pa_streq(ff
, "tv"))
3310 t
= "video-display";
3313 * The following icons are not part of the icon naming spec,
3314 * because Rodney Dawes sucks as the maintainer of that spec.
3316 * http://lists.freedesktop.org/archives/xdg/2009-May/010397.html
3318 else if (pa_streq(ff
, "headset"))
3319 t
= "audio-headset";
3320 else if (pa_streq(ff
, "headphone"))
3321 t
= "audio-headphones";
3322 else if (pa_streq(ff
, "speaker"))
3323 t
= "audio-speakers";
3324 else if (pa_streq(ff
, "hands-free"))
3325 t
= "audio-handsfree";
3329 if ((c
= pa_proplist_gets(p
, PA_PROP_DEVICE_CLASS
)))
3330 if (pa_streq(c
, "modem"))
3337 t
= "audio-input-microphone";
3340 if ((profile
= pa_proplist_gets(p
, PA_PROP_DEVICE_PROFILE_NAME
))) {
3341 if (strstr(profile
, "analog"))
3343 else if (strstr(profile
, "iec958"))
3345 else if (strstr(profile
, "hdmi"))
3349 bus
= pa_proplist_gets(p
, PA_PROP_DEVICE_BUS
);
3351 pa_proplist_setf(p
, PA_PROP_DEVICE_ICON_NAME
, "%s%s%s%s", t
, pa_strempty(s
), bus
? "-" : "", pa_strempty(bus
));
3356 pa_bool_t
pa_device_init_description(pa_proplist
*p
) {
3357 const char *s
, *d
= NULL
, *k
;
3360 if (pa_proplist_contains(p
, PA_PROP_DEVICE_DESCRIPTION
))
3363 if ((s
= pa_proplist_gets(p
, PA_PROP_DEVICE_FORM_FACTOR
)))
3364 if (pa_streq(s
, "internal"))
3365 d
= _("Internal Audio");
3368 if ((s
= pa_proplist_gets(p
, PA_PROP_DEVICE_CLASS
)))
3369 if (pa_streq(s
, "modem"))
3373 d
= pa_proplist_gets(p
, PA_PROP_DEVICE_PRODUCT_NAME
);
3378 k
= pa_proplist_gets(p
, PA_PROP_DEVICE_PROFILE_DESCRIPTION
);
3381 pa_proplist_setf(p
, PA_PROP_DEVICE_DESCRIPTION
, _("%s %s"), d
, k
);
3383 pa_proplist_sets(p
, PA_PROP_DEVICE_DESCRIPTION
, d
);
3388 pa_bool_t
pa_device_init_intended_roles(pa_proplist
*p
) {
3392 if (pa_proplist_contains(p
, PA_PROP_DEVICE_INTENDED_ROLES
))
3395 if ((s
= pa_proplist_gets(p
, PA_PROP_DEVICE_FORM_FACTOR
)))
3396 if (pa_streq(s
, "handset") || pa_streq(s
, "hands-free")
3397 || pa_streq(s
, "headset")) {
3398 pa_proplist_sets(p
, PA_PROP_DEVICE_INTENDED_ROLES
, "phone");
3405 unsigned pa_device_init_priority(pa_proplist
*p
) {
3407 unsigned priority
= 0;
3411 if ((s
= pa_proplist_gets(p
, PA_PROP_DEVICE_CLASS
))) {
3413 if (pa_streq(s
, "sound"))
3415 else if (!pa_streq(s
, "modem"))
3419 if ((s
= pa_proplist_gets(p
, PA_PROP_DEVICE_FORM_FACTOR
))) {
3421 if (pa_streq(s
, "internal"))
3423 else if (pa_streq(s
, "speaker"))
3425 else if (pa_streq(s
, "headphone"))
3429 if ((s
= pa_proplist_gets(p
, PA_PROP_DEVICE_BUS
))) {
3431 if (pa_streq(s
, "pci"))
3433 else if (pa_streq(s
, "usb"))
3435 else if (pa_streq(s
, "bluetooth"))
3439 if ((s
= pa_proplist_gets(p
, PA_PROP_DEVICE_PROFILE_NAME
))) {
3441 if (pa_startswith(s
, "analog-"))
3443 else if (pa_startswith(s
, "iec958-"))
3450 PA_STATIC_FLIST_DECLARE(pa_sink_volume_change
, 0, pa_xfree
);
3452 /* Called from the IO thread. */
3453 static pa_sink_volume_change
*pa_sink_volume_change_new(pa_sink
*s
) {
3454 pa_sink_volume_change
*c
;
3455 if (!(c
= pa_flist_pop(PA_STATIC_FLIST_GET(pa_sink_volume_change
))))
3456 c
= pa_xnew(pa_sink_volume_change
, 1);
3458 PA_LLIST_INIT(pa_sink_volume_change
, c
);
3460 pa_cvolume_reset(&c
->hw_volume
, s
->sample_spec
.channels
);
3464 /* Called from the IO thread. */
3465 static void pa_sink_volume_change_free(pa_sink_volume_change
*c
) {
3467 if (pa_flist_push(PA_STATIC_FLIST_GET(pa_sink_volume_change
), c
) < 0)
3471 /* Called from the IO thread. */
3472 void pa_sink_volume_change_push(pa_sink
*s
) {
3473 pa_sink_volume_change
*c
= NULL
;
3474 pa_sink_volume_change
*nc
= NULL
;
3475 uint32_t safety_margin
= s
->thread_info
.volume_change_safety_margin
;
3477 const char *direction
= NULL
;
3480 nc
= pa_sink_volume_change_new(s
);
3482 /* NOTE: There is already more different volumes in pa_sink that I can remember.
3483 * Adding one more volume for HW would get us rid of this, but I am trying
3484 * to survive with the ones we already have. */
3485 pa_sw_cvolume_divide(&nc
->hw_volume
, &s
->real_volume
, &s
->soft_volume
);
3487 if (!s
->thread_info
.volume_changes
&& pa_cvolume_equal(&nc
->hw_volume
, &s
->thread_info
.current_hw_volume
)) {
3488 pa_log_debug("Volume not changing");
3489 pa_sink_volume_change_free(nc
);
3493 nc
->at
= pa_sink_get_latency_within_thread(s
);
3494 nc
->at
+= pa_rtclock_now() + s
->thread_info
.volume_change_extra_delay
;
3496 if (s
->thread_info
.volume_changes_tail
) {
3497 for (c
= s
->thread_info
.volume_changes_tail
; c
; c
= c
->prev
) {
3498 /* If volume is going up let's do it a bit late. If it is going
3499 * down let's do it a bit early. */
3500 if (pa_cvolume_avg(&nc
->hw_volume
) > pa_cvolume_avg(&c
->hw_volume
)) {
3501 if (nc
->at
+ safety_margin
> c
->at
) {
3502 nc
->at
+= safety_margin
;
3507 else if (nc
->at
- safety_margin
> c
->at
) {
3508 nc
->at
-= safety_margin
;
3516 if (pa_cvolume_avg(&nc
->hw_volume
) > pa_cvolume_avg(&s
->thread_info
.current_hw_volume
)) {
3517 nc
->at
+= safety_margin
;
3520 nc
->at
-= safety_margin
;
3523 PA_LLIST_PREPEND(pa_sink_volume_change
, s
->thread_info
.volume_changes
, nc
);
3526 PA_LLIST_INSERT_AFTER(pa_sink_volume_change
, s
->thread_info
.volume_changes
, c
, nc
);
3529 pa_log_debug("Volume going %s to %d at %llu", direction
, pa_cvolume_avg(&nc
->hw_volume
), (long long unsigned) nc
->at
);
3531 /* We can ignore volume events that came earlier but should happen later than this. */
3532 PA_LLIST_FOREACH(c
, nc
->next
) {
3533 pa_log_debug("Volume change to %d at %llu was dropped", pa_cvolume_avg(&c
->hw_volume
), (long long unsigned) c
->at
);
3534 pa_sink_volume_change_free(c
);
3537 s
->thread_info
.volume_changes_tail
= nc
;
3540 /* Called from the IO thread. */
3541 static void pa_sink_volume_change_flush(pa_sink
*s
) {
3542 pa_sink_volume_change
*c
= s
->thread_info
.volume_changes
;
3544 s
->thread_info
.volume_changes
= NULL
;
3545 s
->thread_info
.volume_changes_tail
= NULL
;
3547 pa_sink_volume_change
*next
= c
->next
;
3548 pa_sink_volume_change_free(c
);
3553 /* Called from the IO thread. */
3554 pa_bool_t
pa_sink_volume_change_apply(pa_sink
*s
, pa_usec_t
*usec_to_next
) {
3556 pa_bool_t ret
= FALSE
;
3560 if (!s
->thread_info
.volume_changes
|| !PA_SINK_IS_LINKED(s
->state
)) {
3566 pa_assert(s
->write_volume
);
3568 now
= pa_rtclock_now();
3570 while (s
->thread_info
.volume_changes
&& now
>= s
->thread_info
.volume_changes
->at
) {
3571 pa_sink_volume_change
*c
= s
->thread_info
.volume_changes
;
3572 PA_LLIST_REMOVE(pa_sink_volume_change
, s
->thread_info
.volume_changes
, c
);
3573 pa_log_debug("Volume change to %d at %llu was written %llu usec late",
3574 pa_cvolume_avg(&c
->hw_volume
), (long long unsigned) c
->at
, (long long unsigned) (now
- c
->at
));
3576 s
->thread_info
.current_hw_volume
= c
->hw_volume
;
3577 pa_sink_volume_change_free(c
);
3583 if (s
->thread_info
.volume_changes
) {
3585 *usec_to_next
= s
->thread_info
.volume_changes
->at
- now
;
3586 if (pa_log_ratelimit(PA_LOG_DEBUG
))
3587 pa_log_debug("Next volume change in %lld usec", (long long) (s
->thread_info
.volume_changes
->at
- now
));
3592 s
->thread_info
.volume_changes_tail
= NULL
;
3597 /* Called from the IO thread. */
3598 static void pa_sink_volume_change_rewind(pa_sink
*s
, size_t nbytes
) {
3599 /* All the queued volume events later than current latency are shifted to happen earlier. */
3600 pa_sink_volume_change
*c
;
3601 pa_volume_t prev_vol
= pa_cvolume_avg(&s
->thread_info
.current_hw_volume
);
3602 pa_usec_t rewound
= pa_bytes_to_usec(nbytes
, &s
->sample_spec
);
3603 pa_usec_t limit
= pa_sink_get_latency_within_thread(s
);
3605 pa_log_debug("latency = %lld", (long long) limit
);
3606 limit
+= pa_rtclock_now() + s
->thread_info
.volume_change_extra_delay
;
3608 PA_LLIST_FOREACH(c
, s
->thread_info
.volume_changes
) {
3609 pa_usec_t modified_limit
= limit
;
3610 if (prev_vol
> pa_cvolume_avg(&c
->hw_volume
))
3611 modified_limit
-= s
->thread_info
.volume_change_safety_margin
;
3613 modified_limit
+= s
->thread_info
.volume_change_safety_margin
;
3614 if (c
->at
> modified_limit
) {
3616 if (c
->at
< modified_limit
)
3617 c
->at
= modified_limit
;
3619 prev_vol
= pa_cvolume_avg(&c
->hw_volume
);
3621 pa_sink_volume_change_apply(s
, NULL
);
3624 /* Called from the main thread */
3625 /* Gets the list of formats supported by the sink. The members and idxset must
3626 * be freed by the caller. */
3627 pa_idxset
* pa_sink_get_formats(pa_sink
*s
) {
3632 if (s
->get_formats
) {
3633 /* Sink supports format query, all is good */
3634 ret
= s
->get_formats(s
);
3636 /* Sink doesn't support format query, so assume it does PCM */
3637 pa_format_info
*f
= pa_format_info_new();
3638 f
->encoding
= PA_ENCODING_PCM
;
3640 ret
= pa_idxset_new(NULL
, NULL
);
3641 pa_idxset_put(ret
, f
, NULL
);
3647 /* Called from the main thread */
3648 /* Allows an external source to set what formats a sink supports if the sink
3649 * permits this. The function makes a copy of the formats on success. */
3650 pa_bool_t
pa_sink_set_formats(pa_sink
*s
, pa_idxset
*formats
) {
3655 /* Sink supports setting formats -- let's give it a shot */
3656 return s
->set_formats(s
, formats
);
3658 /* Sink doesn't support setting this -- bail out */
3662 /* Called from the main thread */
3663 /* Checks if the sink can accept this format */
3664 pa_bool_t
pa_sink_check_format(pa_sink
*s
, pa_format_info
*f
)
3666 pa_idxset
*formats
= NULL
;
3667 pa_bool_t ret
= FALSE
;
3672 formats
= pa_sink_get_formats(s
);
3675 pa_format_info
*finfo_device
;
3678 PA_IDXSET_FOREACH(finfo_device
, formats
, i
) {
3679 if (pa_format_info_is_compatible(finfo_device
, f
)) {
3685 pa_idxset_free(formats
, (pa_free2_cb_t
) pa_format_info_free2
, NULL
);
3691 /* Called from the main thread */
3692 /* Calculates the intersection between formats supported by the sink and
3693 * in_formats, and returns these, in the order of the sink's formats. */
3694 pa_idxset
* pa_sink_check_formats(pa_sink
*s
, pa_idxset
*in_formats
) {
3695 pa_idxset
*out_formats
= pa_idxset_new(NULL
, NULL
), *sink_formats
= NULL
;
3696 pa_format_info
*f_sink
, *f_in
;
3701 if (!in_formats
|| pa_idxset_isempty(in_formats
))
3704 sink_formats
= pa_sink_get_formats(s
);
3706 PA_IDXSET_FOREACH(f_sink
, sink_formats
, i
) {
3707 PA_IDXSET_FOREACH(f_in
, in_formats
, j
) {
3708 if (pa_format_info_is_compatible(f_sink
, f_in
))
3709 pa_idxset_put(out_formats
, pa_format_info_copy(f_in
), NULL
);
3715 pa_idxset_free(sink_formats
, (pa_free2_cb_t
) pa_format_info_free2
, NULL
);