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 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/utf8.h>
32 #include <pulse/xmalloc.h>
33 #include <pulse/timeval.h>
34 #include <pulse/util.h>
36 #include <pulsecore/source-output.h>
37 #include <pulsecore/namereg.h>
38 #include <pulsecore/core-subscribe.h>
39 #include <pulsecore/log.h>
40 #include <pulsecore/sample-util.h>
44 #define DEFAULT_MIN_LATENCY (4*PA_USEC_PER_MSEC)
46 static PA_DEFINE_CHECK_TYPE(pa_source
, pa_msgobject
);
48 static void source_free(pa_object
*o
);
50 pa_source_new_data
* pa_source_new_data_init(pa_source_new_data
*data
) {
53 memset(data
, 0, sizeof(*data
));
54 data
->proplist
= pa_proplist_new();
59 void pa_source_new_data_set_name(pa_source_new_data
*data
, const char *name
) {
63 data
->name
= pa_xstrdup(name
);
66 void pa_source_new_data_set_sample_spec(pa_source_new_data
*data
, const pa_sample_spec
*spec
) {
69 if ((data
->sample_spec_is_set
= !!spec
))
70 data
->sample_spec
= *spec
;
73 void pa_source_new_data_set_channel_map(pa_source_new_data
*data
, const pa_channel_map
*map
) {
76 if ((data
->channel_map_is_set
= !!map
))
77 data
->channel_map
= *map
;
80 void pa_source_new_data_set_volume(pa_source_new_data
*data
, const pa_cvolume
*volume
) {
83 if ((data
->volume_is_set
= !!volume
))
84 data
->volume
= *volume
;
87 void pa_source_new_data_set_muted(pa_source_new_data
*data
, pa_bool_t mute
) {
90 data
->muted_is_set
= TRUE
;
94 void pa_source_new_data_done(pa_source_new_data
*data
) {
98 pa_proplist_free(data
->proplist
);
101 /* Called from main context */
102 static void reset_callbacks(pa_source
*s
) {
106 s
->get_volume
= NULL
;
107 s
->set_volume
= NULL
;
110 s
->update_requested_latency
= NULL
;
113 /* Called from main context */
114 pa_source
* pa_source_new(
116 pa_source_new_data
*data
,
117 pa_source_flags_t flags
) {
121 char st
[PA_SAMPLE_SPEC_SNPRINT_MAX
], cm
[PA_CHANNEL_MAP_SNPRINT_MAX
];
125 pa_assert(data
->name
);
127 s
= pa_msgobject_new(pa_source
);
129 if (!(name
= pa_namereg_register(core
, data
->name
, PA_NAMEREG_SOURCE
, s
, data
->namereg_fail
))) {
134 pa_source_new_data_set_name(data
, name
);
136 if (pa_hook_fire(&core
->hooks
[PA_CORE_HOOK_SOURCE_NEW
], data
) < 0) {
138 pa_namereg_unregister(core
, name
);
142 pa_return_null_if_fail(!data
->driver
|| pa_utf8_valid(data
->driver
));
143 pa_return_null_if_fail(data
->name
&& pa_utf8_valid(data
->name
) && data
->name
[0]);
145 pa_return_null_if_fail(data
->sample_spec_is_set
&& pa_sample_spec_valid(&data
->sample_spec
));
147 if (!data
->channel_map_is_set
)
148 pa_return_null_if_fail(pa_channel_map_init_auto(&data
->channel_map
, data
->sample_spec
.channels
, PA_CHANNEL_MAP_DEFAULT
));
150 pa_return_null_if_fail(pa_channel_map_valid(&data
->channel_map
));
151 pa_return_null_if_fail(data
->channel_map
.channels
== data
->sample_spec
.channels
);
153 if (!data
->volume_is_set
)
154 pa_cvolume_reset(&data
->volume
, data
->sample_spec
.channels
);
156 pa_return_null_if_fail(pa_cvolume_valid(&data
->volume
));
157 pa_return_null_if_fail(data
->volume
.channels
== data
->sample_spec
.channels
);
159 if (!data
->muted_is_set
)
163 pa_proplist_update(data
->proplist
, PA_UPDATE_MERGE
, data
->card
->proplist
);
165 if (pa_hook_fire(&core
->hooks
[PA_CORE_HOOK_SOURCE_FIXATE
], data
) < 0) {
167 pa_namereg_unregister(core
, name
);
171 s
->parent
.parent
.free
= source_free
;
172 s
->parent
.process_msg
= pa_source_process_msg
;
175 s
->state
= PA_SOURCE_INIT
;
177 s
->name
= pa_xstrdup(name
);
178 s
->proplist
= pa_proplist_copy(data
->proplist
);
179 s
->driver
= pa_xstrdup(pa_path_get_filename(data
->driver
));
180 s
->module
= data
->module
;
181 s
->card
= data
->card
;
183 s
->sample_spec
= data
->sample_spec
;
184 s
->channel_map
= data
->channel_map
;
186 s
->outputs
= pa_idxset_new(NULL
, NULL
);
188 s
->monitor_of
= NULL
;
190 s
->volume
= data
->volume
;
191 s
->muted
= data
->muted
;
192 s
->refresh_volume
= s
->refresh_muted
= FALSE
;
193 s
->base_volume
= PA_VOLUME_NORM
;
201 pa_silence_memchunk_get(
202 &core
->silence_cache
,
208 s
->thread_info
.outputs
= pa_hashmap_new(pa_idxset_trivial_hash_func
, pa_idxset_trivial_compare_func
);
209 pa_cvolume_reset(&s
->thread_info
.soft_volume
, s
->sample_spec
.channels
);
210 s
->thread_info
.soft_muted
= FALSE
;
211 s
->thread_info
.state
= s
->state
;
212 s
->thread_info
.max_rewind
= 0;
213 s
->thread_info
.requested_latency_valid
= FALSE
;
214 s
->thread_info
.requested_latency
= 0;
215 s
->thread_info
.min_latency
= DEFAULT_MIN_LATENCY
;
216 s
->thread_info
.max_latency
= 0;
218 pa_assert_se(pa_idxset_put(core
->sources
, s
, &s
->index
) >= 0);
221 pa_assert_se(pa_idxset_put(s
->card
->sources
, s
, NULL
) >= 0);
223 pa_log_info("Created source %u \"%s\" with sample spec %s and channel map %s",
226 pa_sample_spec_snprint(st
, sizeof(st
), &s
->sample_spec
),
227 pa_channel_map_snprint(cm
, sizeof(cm
), &s
->channel_map
));
232 /* Called from main context */
233 static int source_set_state(pa_source
*s
, pa_source_state_t state
) {
235 pa_bool_t suspend_change
;
236 pa_source_state_t original_state
;
240 if (s
->state
== state
)
243 original_state
= s
->state
;
246 (original_state
== PA_SOURCE_SUSPENDED
&& PA_SOURCE_IS_OPENED(state
)) ||
247 (PA_SOURCE_IS_OPENED(original_state
) && state
== PA_SOURCE_SUSPENDED
);
250 if ((ret
= s
->set_state(s
, state
)) < 0)
254 if ((ret
= pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SOURCE_MESSAGE_SET_STATE
, PA_UINT_TO_PTR(state
), 0, NULL
)) < 0) {
257 s
->set_state(s
, original_state
);
264 if (suspend_change
) {
268 /* We're suspending or resuming, tell everyone about it */
270 for (o
= PA_SOURCE_OUTPUT(pa_idxset_first(s
->outputs
, &idx
)); o
; o
= PA_SOURCE_OUTPUT(pa_idxset_next(s
->outputs
, &idx
)))
272 o
->suspend(o
, state
== PA_SOURCE_SUSPENDED
);
275 if (state
!= PA_SOURCE_UNLINKED
) /* if we enter UNLINKED state pa_source_unlink() will fire the apropriate events */
276 pa_hook_fire(&s
->core
->hooks
[PA_CORE_HOOK_SOURCE_STATE_CHANGED
], s
);
281 /* Called from main context */
282 void pa_source_put(pa_source
*s
) {
283 pa_source_assert_ref(s
);
285 pa_assert(s
->state
== PA_SOURCE_INIT
);
287 /* The following fields must be initialized properly when calling _put() */
288 pa_assert(s
->asyncmsgq
);
289 pa_assert(s
->rtpoll
);
290 pa_assert(!s
->thread_info
.min_latency
|| !s
->thread_info
.max_latency
||
291 s
->thread_info
.min_latency
<= s
->thread_info
.max_latency
);
293 if (!(s
->flags
& PA_SOURCE_HW_VOLUME_CTRL
)) {
294 s
->flags
|= PA_SOURCE_DECIBEL_VOLUME
;
296 s
->thread_info
.soft_volume
= s
->volume
;
297 s
->thread_info
.soft_muted
= s
->muted
;
300 pa_assert_se(source_set_state(s
, PA_SOURCE_IDLE
) == 0);
302 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SOURCE
| PA_SUBSCRIPTION_EVENT_NEW
, s
->index
);
303 pa_hook_fire(&s
->core
->hooks
[PA_CORE_HOOK_SOURCE_PUT
], s
);
306 /* Called from main context */
307 void pa_source_unlink(pa_source
*s
) {
309 pa_source_output
*o
, *j
= NULL
;
313 /* See pa_sink_unlink() for a couple of comments how this function
316 linked
= PA_SOURCE_IS_LINKED(s
->state
);
319 pa_hook_fire(&s
->core
->hooks
[PA_CORE_HOOK_SOURCE_UNLINK
], s
);
321 if (s
->state
!= PA_SOURCE_UNLINKED
)
322 pa_namereg_unregister(s
->core
, s
->name
);
323 pa_idxset_remove_by_data(s
->core
->sources
, s
, NULL
);
326 pa_idxset_remove_by_data(s
->card
->sources
, s
, NULL
);
328 while ((o
= pa_idxset_first(s
->outputs
, NULL
))) {
330 pa_source_output_kill(o
);
335 source_set_state(s
, PA_SOURCE_UNLINKED
);
337 s
->state
= PA_SOURCE_UNLINKED
;
342 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SOURCE
| PA_SUBSCRIPTION_EVENT_REMOVE
, s
->index
);
343 pa_hook_fire(&s
->core
->hooks
[PA_CORE_HOOK_SOURCE_UNLINK_POST
], s
);
347 /* Called from main context */
348 static void source_free(pa_object
*o
) {
349 pa_source_output
*so
;
350 pa_source
*s
= PA_SOURCE(o
);
353 pa_assert(pa_source_refcnt(s
) == 0);
355 if (PA_SOURCE_IS_LINKED(s
->state
))
358 pa_log_info("Freeing source %u \"%s\"", s
->index
, s
->name
);
360 pa_idxset_free(s
->outputs
, NULL
, NULL
);
362 while ((so
= pa_hashmap_steal_first(s
->thread_info
.outputs
)))
363 pa_source_output_unref(so
);
365 pa_hashmap_free(s
->thread_info
.outputs
, NULL
, NULL
);
367 if (s
->silence
.memblock
)
368 pa_memblock_unref(s
->silence
.memblock
);
374 pa_proplist_free(s
->proplist
);
379 /* Called from main context */
380 void pa_source_set_asyncmsgq(pa_source
*s
, pa_asyncmsgq
*q
) {
381 pa_source_assert_ref(s
);
386 /* Called from main context */
387 void pa_source_set_rtpoll(pa_source
*s
, pa_rtpoll
*p
) {
388 pa_source_assert_ref(s
);
393 /* Called from main context */
394 int pa_source_update_status(pa_source
*s
) {
395 pa_source_assert_ref(s
);
396 pa_assert(PA_SOURCE_IS_LINKED(s
->state
));
398 if (s
->state
== PA_SOURCE_SUSPENDED
)
401 return source_set_state(s
, pa_source_used_by(s
) ? PA_SOURCE_RUNNING
: PA_SOURCE_IDLE
);
404 /* Called from main context */
405 int pa_source_suspend(pa_source
*s
, pa_bool_t suspend
) {
406 pa_source_assert_ref(s
);
407 pa_assert(PA_SOURCE_IS_LINKED(s
->state
));
410 return source_set_state(s
, PA_SOURCE_SUSPENDED
);
412 return source_set_state(s
, pa_source_used_by(s
) ? PA_SOURCE_RUNNING
: PA_SOURCE_IDLE
);
415 /* Called from IO thread context */
416 void pa_source_process_rewind(pa_source
*s
, size_t nbytes
) {
420 pa_source_assert_ref(s
);
421 pa_assert(PA_SOURCE_IS_OPENED(s
->thread_info
.state
));
426 pa_log_debug("Processing rewind...");
428 while ((o
= pa_hashmap_iterate(s
->thread_info
.outputs
, &state
, NULL
))) {
429 pa_source_output_assert_ref(o
);
430 pa_source_output_process_rewind(o
, nbytes
);
434 /* Called from IO thread context */
435 void pa_source_post(pa_source
*s
, const pa_memchunk
*chunk
) {
439 pa_source_assert_ref(s
);
440 pa_assert(PA_SOURCE_IS_OPENED(s
->thread_info
.state
));
443 if (s
->thread_info
.soft_muted
|| !pa_cvolume_is_norm(&s
->thread_info
.soft_volume
)) {
444 pa_memchunk vchunk
= *chunk
;
446 pa_memblock_ref(vchunk
.memblock
);
447 pa_memchunk_make_writable(&vchunk
, 0);
449 if (s
->thread_info
.soft_muted
|| pa_cvolume_is_muted(&s
->thread_info
.soft_volume
))
450 pa_silence_memchunk(&vchunk
, &s
->sample_spec
);
452 pa_volume_memchunk(&vchunk
, &s
->sample_spec
, &s
->thread_info
.soft_volume
);
454 while ((o
= pa_hashmap_iterate(s
->thread_info
.outputs
, &state
, NULL
))) {
455 pa_source_output_assert_ref(o
);
457 if (!o
->thread_info
.direct_on_input
)
458 pa_source_output_push(o
, &vchunk
);
461 pa_memblock_unref(vchunk
.memblock
);
464 while ((o
= pa_hashmap_iterate(s
->thread_info
.outputs
, &state
, NULL
))) {
465 pa_source_output_assert_ref(o
);
467 if (!o
->thread_info
.direct_on_input
)
468 pa_source_output_push(o
, chunk
);
473 /* Called from IO thread context */
474 void pa_source_post_direct(pa_source
*s
, pa_source_output
*o
, const pa_memchunk
*chunk
) {
475 pa_source_assert_ref(s
);
476 pa_assert(PA_SOURCE_IS_OPENED(s
->thread_info
.state
));
477 pa_source_output_assert_ref(o
);
478 pa_assert(o
->thread_info
.direct_on_input
);
481 if (s
->thread_info
.soft_muted
|| !pa_cvolume_is_norm(&s
->thread_info
.soft_volume
)) {
482 pa_memchunk vchunk
= *chunk
;
484 pa_memblock_ref(vchunk
.memblock
);
485 pa_memchunk_make_writable(&vchunk
, 0);
487 if (s
->thread_info
.soft_muted
|| pa_cvolume_is_muted(&s
->thread_info
.soft_volume
))
488 pa_silence_memchunk(&vchunk
, &s
->sample_spec
);
490 pa_volume_memchunk(&vchunk
, &s
->sample_spec
, &s
->thread_info
.soft_volume
);
492 pa_source_output_push(o
, &vchunk
);
494 pa_memblock_unref(vchunk
.memblock
);
496 pa_source_output_push(o
, chunk
);
499 /* Called from main thread */
500 pa_usec_t
pa_source_get_latency(pa_source
*s
) {
503 pa_source_assert_ref(s
);
504 pa_assert(PA_SOURCE_IS_LINKED(s
->state
));
506 if (!PA_SOURCE_IS_OPENED(s
->state
))
509 if (!(s
->flags
& PA_SOURCE_LATENCY
))
512 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SOURCE_MESSAGE_GET_LATENCY
, &usec
, 0, NULL
) == 0);
517 /* Called from main thread */
518 void pa_source_set_volume(pa_source
*s
, const pa_cvolume
*volume
) {
521 pa_source_assert_ref(s
);
522 pa_assert(PA_SOURCE_IS_LINKED(s
->state
));
525 changed
= !pa_cvolume_equal(volume
, &s
->volume
);
528 if (s
->set_volume
&& s
->set_volume(s
) < 0)
529 s
->set_volume
= NULL
;
532 pa_source_set_soft_volume(s
, volume
);
535 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SOURCE
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
538 /* Called from main thread */
539 void pa_source_set_soft_volume(pa_source
*s
, const pa_cvolume
*volume
) {
540 pa_source_assert_ref(s
);
543 if (PA_SOURCE_IS_LINKED(s
->state
))
544 pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SOURCE_MESSAGE_SET_VOLUME
, volume
, 0, NULL
);
546 s
->thread_info
.soft_volume
= *volume
;
549 /* Called from main thread */
550 const pa_cvolume
*pa_source_get_volume(pa_source
*s
, pa_bool_t force_refresh
) {
551 pa_source_assert_ref(s
);
552 pa_assert(PA_SOURCE_IS_LINKED(s
->state
));
554 if (s
->refresh_volume
|| force_refresh
) {
555 pa_cvolume old_volume
= s
->volume
;
557 if (s
->get_volume
&& s
->get_volume(s
) < 0)
558 s
->get_volume
= NULL
;
561 pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SOURCE_MESSAGE_GET_VOLUME
, &s
->volume
, 0, NULL
);
563 if (!pa_cvolume_equal(&old_volume
, &s
->volume
))
564 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SOURCE
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
570 /* Called from main thread */
571 void pa_source_set_mute(pa_source
*s
, pa_bool_t mute
) {
574 pa_source_assert_ref(s
);
575 pa_assert(PA_SOURCE_IS_LINKED(s
->state
));
577 changed
= s
->muted
!= mute
;
580 if (s
->set_mute
&& s
->set_mute(s
) < 0)
584 pa_asyncmsgq_post(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SOURCE_MESSAGE_SET_MUTE
, PA_UINT_TO_PTR(mute
), 0, NULL
, NULL
);
587 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SOURCE
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
590 /* Called from main thread */
591 pa_bool_t
pa_source_get_mute(pa_source
*s
, pa_bool_t force_refresh
) {
593 pa_source_assert_ref(s
);
594 pa_assert(PA_SOURCE_IS_LINKED(s
->state
));
596 if (s
->refresh_muted
|| force_refresh
) {
597 pa_bool_t old_muted
= s
->muted
;
599 if (s
->get_mute
&& s
->get_mute(s
) < 0)
603 pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SOURCE_MESSAGE_GET_MUTE
, &s
->muted
, 0, NULL
);
605 if (old_muted
!= s
->muted
)
606 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SOURCE
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
612 pa_bool_t
pa_source_update_proplist(pa_source
*s
, pa_update_mode_t mode
, pa_proplist
*p
) {
614 pa_source_assert_ref(s
);
616 pa_proplist_update(s
->proplist
, mode
, p
);
618 if (PA_SOURCE_IS_LINKED(s
->state
)) {
619 pa_hook_fire(&s
->core
->hooks
[PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED
], s
);
620 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SOURCE
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
626 /* Called from main thread */
627 void pa_source_set_description(pa_source
*s
, const char *description
) {
629 pa_source_assert_ref(s
);
631 if (!description
&& !pa_proplist_contains(s
->proplist
, PA_PROP_DEVICE_DESCRIPTION
))
634 old
= pa_proplist_gets(s
->proplist
, PA_PROP_DEVICE_DESCRIPTION
);
636 if (old
&& description
&& !strcmp(old
, description
))
640 pa_proplist_sets(s
->proplist
, PA_PROP_DEVICE_DESCRIPTION
, description
);
642 pa_proplist_unset(s
->proplist
, PA_PROP_DEVICE_DESCRIPTION
);
644 if (PA_SOURCE_IS_LINKED(s
->state
)) {
645 pa_subscription_post(s
->core
, PA_SUBSCRIPTION_EVENT_SOURCE
|PA_SUBSCRIPTION_EVENT_CHANGE
, s
->index
);
646 pa_hook_fire(&s
->core
->hooks
[PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED
], s
);
650 /* Called from main thread */
651 unsigned pa_source_linked_by(pa_source
*s
) {
652 pa_source_assert_ref(s
);
653 pa_assert(PA_SOURCE_IS_LINKED(s
->state
));
655 return pa_idxset_size(s
->outputs
);
658 /* Called from main thread */
659 unsigned pa_source_used_by(pa_source
*s
) {
662 pa_source_assert_ref(s
);
663 pa_assert(PA_SOURCE_IS_LINKED(s
->state
));
665 ret
= pa_idxset_size(s
->outputs
);
666 pa_assert(ret
>= s
->n_corked
);
668 return ret
- s
->n_corked
;
671 /* Called from main thread */
672 unsigned pa_source_check_suspend(pa_source
*s
) {
677 pa_source_assert_ref(s
);
679 if (!PA_SOURCE_IS_LINKED(s
->state
))
684 for (o
= PA_SOURCE_OUTPUT(pa_idxset_first(s
->outputs
, &idx
)); o
; o
= PA_SOURCE_OUTPUT(pa_idxset_next(s
->outputs
, &idx
))) {
685 pa_source_output_state_t st
;
687 st
= pa_source_output_get_state(o
);
688 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(st
));
690 if (st
== PA_SOURCE_OUTPUT_CORKED
)
693 if (o
->flags
& PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND
)
702 /* Called from IO thread, except when it is not */
703 int pa_source_process_msg(pa_msgobject
*object
, int code
, void *userdata
, int64_t offset
, pa_memchunk
*chunk
) {
704 pa_source
*s
= PA_SOURCE(object
);
705 pa_source_assert_ref(s
);
707 switch ((pa_source_message_t
) code
) {
709 case PA_SOURCE_MESSAGE_ADD_OUTPUT
: {
710 pa_source_output
*o
= PA_SOURCE_OUTPUT(userdata
);
712 pa_hashmap_put(s
->thread_info
.outputs
, PA_UINT32_TO_PTR(o
->index
), pa_source_output_ref(o
));
714 if (o
->direct_on_input
) {
715 o
->thread_info
.direct_on_input
= o
->direct_on_input
;
716 pa_hashmap_put(o
->thread_info
.direct_on_input
->thread_info
.direct_outputs
, PA_UINT32_TO_PTR(o
->index
), o
);
719 pa_assert(!o
->thread_info
.attached
);
720 o
->thread_info
.attached
= TRUE
;
725 pa_source_output_set_state_within_thread(o
, o
->state
);
727 if (o
->thread_info
.requested_source_latency
!= (pa_usec_t
) -1)
728 pa_source_output_set_requested_latency_within_thread(o
, o
->thread_info
.requested_source_latency
);
730 pa_source_output_update_max_rewind(o
, s
->thread_info
.max_rewind
);
732 /* We don't just invalidate the requested latency here,
733 * because if we are in a move we might need to fix up the
734 * requested latency. */
735 pa_source_output_set_requested_latency_within_thread(o
, o
->thread_info
.requested_source_latency
);
740 case PA_SOURCE_MESSAGE_REMOVE_OUTPUT
: {
741 pa_source_output
*o
= PA_SOURCE_OUTPUT(userdata
);
743 pa_source_output_set_state_within_thread(o
, o
->state
);
748 pa_assert(o
->thread_info
.attached
);
749 o
->thread_info
.attached
= FALSE
;
751 if (o
->thread_info
.direct_on_input
) {
752 pa_hashmap_remove(o
->thread_info
.direct_on_input
->thread_info
.direct_outputs
, PA_UINT32_TO_PTR(o
->index
));
753 o
->thread_info
.direct_on_input
= NULL
;
756 if (pa_hashmap_remove(s
->thread_info
.outputs
, PA_UINT32_TO_PTR(o
->index
)))
757 pa_source_output_unref(o
);
759 pa_source_invalidate_requested_latency(s
);
764 case PA_SOURCE_MESSAGE_SET_VOLUME
:
765 s
->thread_info
.soft_volume
= *((pa_cvolume
*) userdata
);
768 case PA_SOURCE_MESSAGE_SET_MUTE
:
769 s
->thread_info
.soft_muted
= PA_PTR_TO_UINT(userdata
);
772 case PA_SOURCE_MESSAGE_GET_VOLUME
:
773 *((pa_cvolume
*) userdata
) = s
->thread_info
.soft_volume
;
776 case PA_SOURCE_MESSAGE_GET_MUTE
:
777 *((pa_bool_t
*) userdata
) = s
->thread_info
.soft_muted
;
780 case PA_SOURCE_MESSAGE_SET_STATE
:
781 s
->thread_info
.state
= PA_PTR_TO_UINT(userdata
);
784 case PA_SOURCE_MESSAGE_DETACH
:
786 /* Detach all streams */
787 pa_source_detach_within_thread(s
);
790 case PA_SOURCE_MESSAGE_ATTACH
:
792 /* Reattach all streams */
793 pa_source_attach_within_thread(s
);
796 case PA_SOURCE_MESSAGE_GET_REQUESTED_LATENCY
: {
798 pa_usec_t
*usec
= userdata
;
799 *usec
= pa_source_get_requested_latency_within_thread(s
);
801 if (*usec
== (pa_usec_t
) -1)
802 *usec
= s
->thread_info
.max_latency
;
807 case PA_SOURCE_MESSAGE_SET_LATENCY_RANGE
: {
808 pa_usec_t
*r
= userdata
;
810 pa_source_update_latency_range(s
, r
[0], r
[1]);
815 case PA_SOURCE_MESSAGE_GET_LATENCY_RANGE
: {
816 pa_usec_t
*r
= userdata
;
818 r
[0] = s
->thread_info
.min_latency
;
819 r
[1] = s
->thread_info
.max_latency
;
824 case PA_SOURCE_MESSAGE_GET_MAX_REWIND
:
826 *((size_t*) userdata
) = s
->thread_info
.max_rewind
;
829 case PA_SOURCE_MESSAGE_GET_LATENCY
:
832 *((pa_usec_t
*) userdata
) = 0;
836 /* Implementors need to overwrite this implementation! */
839 case PA_SOURCE_MESSAGE_MAX
:
846 /* Called from main thread */
847 int pa_source_suspend_all(pa_core
*c
, pa_bool_t suspend
) {
852 pa_core_assert_ref(c
);
854 for (source
= PA_SOURCE(pa_idxset_first(c
->sources
, &idx
)); source
; source
= PA_SOURCE(pa_idxset_next(c
->sources
, &idx
)))
855 ret
-= pa_source_suspend(source
, suspend
) < 0;
860 /* Called from main thread */
861 void pa_source_detach(pa_source
*s
) {
862 pa_source_assert_ref(s
);
863 pa_assert(PA_SOURCE_IS_LINKED(s
->state
));
865 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SOURCE_MESSAGE_DETACH
, NULL
, 0, NULL
) == 0);
868 /* Called from main thread */
869 void pa_source_attach(pa_source
*s
) {
870 pa_source_assert_ref(s
);
871 pa_assert(PA_SOURCE_IS_LINKED(s
->state
));
873 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SOURCE_MESSAGE_ATTACH
, NULL
, 0, NULL
) == 0);
876 /* Called from IO thread */
877 void pa_source_detach_within_thread(pa_source
*s
) {
881 pa_source_assert_ref(s
);
882 pa_assert(PA_SOURCE_IS_LINKED(s
->thread_info
.state
));
884 while ((o
= pa_hashmap_iterate(s
->thread_info
.outputs
, &state
, NULL
)))
889 /* Called from IO thread */
890 void pa_source_attach_within_thread(pa_source
*s
) {
894 pa_source_assert_ref(s
);
895 pa_assert(PA_SOURCE_IS_LINKED(s
->thread_info
.state
));
897 while ((o
= pa_hashmap_iterate(s
->thread_info
.outputs
, &state
, NULL
)))
902 /* Called from IO thread */
903 pa_usec_t
pa_source_get_requested_latency_within_thread(pa_source
*s
) {
904 pa_usec_t result
= (pa_usec_t
) -1;
908 pa_source_assert_ref(s
);
910 if (s
->thread_info
.requested_latency_valid
)
911 return s
->thread_info
.requested_latency
;
913 while ((o
= pa_hashmap_iterate(s
->thread_info
.outputs
, &state
, NULL
)))
915 if (o
->thread_info
.requested_source_latency
!= (pa_usec_t
) -1 &&
916 (result
== (pa_usec_t
) -1 || result
> o
->thread_info
.requested_source_latency
))
917 result
= o
->thread_info
.requested_source_latency
;
919 if (result
!= (pa_usec_t
) -1) {
920 if (s
->thread_info
.max_latency
> 0 && result
> s
->thread_info
.max_latency
)
921 result
= s
->thread_info
.max_latency
;
923 if (s
->thread_info
.min_latency
> 0 && result
< s
->thread_info
.min_latency
)
924 result
= s
->thread_info
.min_latency
;
927 s
->thread_info
.requested_latency
= result
;
928 s
->thread_info
.requested_latency_valid
= TRUE
;
933 /* Called from main thread */
934 pa_usec_t
pa_source_get_requested_latency(pa_source
*s
) {
937 pa_source_assert_ref(s
);
938 pa_assert(PA_SOURCE_IS_LINKED(s
->state
));
940 if (!PA_SOURCE_IS_OPENED(s
->state
))
943 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SOURCE_MESSAGE_GET_REQUESTED_LATENCY
, &usec
, 0, NULL
) == 0);
948 /* Called from IO thread */
949 void pa_source_set_max_rewind(pa_source
*s
, size_t max_rewind
) {
953 pa_source_assert_ref(s
);
955 if (max_rewind
== s
->thread_info
.max_rewind
)
958 s
->thread_info
.max_rewind
= max_rewind
;
960 if (PA_SOURCE_IS_LINKED(s
->thread_info
.state
)) {
961 while ((o
= pa_hashmap_iterate(s
->thread_info
.outputs
, &state
, NULL
)))
962 pa_source_output_update_max_rewind(o
, s
->thread_info
.max_rewind
);
966 void pa_source_invalidate_requested_latency(pa_source
*s
) {
970 pa_source_assert_ref(s
);
972 s
->thread_info
.requested_latency_valid
= FALSE
;
974 if (s
->update_requested_latency
)
975 s
->update_requested_latency(s
);
977 while ((o
= pa_hashmap_iterate(s
->thread_info
.outputs
, &state
, NULL
)))
978 if (o
->update_source_requested_latency
)
979 o
->update_source_requested_latency(o
);
982 pa_sink_invalidate_requested_latency(s
->monitor_of
);
985 void pa_source_set_latency_range(pa_source
*s
, pa_usec_t min_latency
, pa_usec_t max_latency
) {
986 pa_source_assert_ref(s
);
988 /* min_latency == 0: no limit
989 * min_latency == (size_t) -1: default limit
990 * min_latency anything else: specified limit
992 * Similar for max_latency */
994 if (min_latency
== (pa_usec_t
) -1)
995 min_latency
= DEFAULT_MIN_LATENCY
;
997 if (max_latency
== (pa_usec_t
) -1)
998 max_latency
= min_latency
;
1000 pa_assert(!min_latency
|| !max_latency
||
1001 min_latency
<= max_latency
);
1003 if (PA_SOURCE_IS_LINKED(s
->state
)) {
1009 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SOURCE_MESSAGE_SET_LATENCY_RANGE
, r
, 0, NULL
) == 0);
1011 s
->thread_info
.min_latency
= min_latency
;
1012 s
->thread_info
.max_latency
= max_latency
;
1014 s
->thread_info
.requested_latency_valid
= FALSE
;
1018 void pa_source_get_latency_range(pa_source
*s
, pa_usec_t
*min_latency
, pa_usec_t
*max_latency
) {
1019 pa_source_assert_ref(s
);
1020 pa_assert(min_latency
);
1021 pa_assert(max_latency
);
1023 if (PA_SOURCE_IS_LINKED(s
->state
)) {
1024 pa_usec_t r
[2] = { 0, 0 };
1026 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SOURCE_MESSAGE_GET_LATENCY_RANGE
, r
, 0, NULL
) == 0);
1028 *min_latency
= r
[0];
1029 *max_latency
= r
[1];
1031 *min_latency
= s
->thread_info
.min_latency
;
1032 *max_latency
= s
->thread_info
.max_latency
;
1036 /* Called from IO thread */
1037 void pa_source_update_latency_range(pa_source
*s
, pa_usec_t min_latency
, pa_usec_t max_latency
) {
1038 pa_source_output
*o
;
1041 pa_source_assert_ref(s
);
1043 s
->thread_info
.min_latency
= min_latency
;
1044 s
->thread_info
.max_latency
= max_latency
;
1046 while ((o
= pa_hashmap_iterate(s
->thread_info
.outputs
, &state
, NULL
)))
1047 if (o
->update_source_latency_range
)
1048 o
->update_source_latency_range(o
);
1050 pa_source_invalidate_requested_latency(s
);
1053 size_t pa_source_get_max_rewind(pa_source
*s
) {
1055 pa_source_assert_ref(s
);
1057 if (!PA_SOURCE_IS_LINKED(s
->state
))
1058 return s
->thread_info
.max_rewind
;
1060 pa_assert_se(pa_asyncmsgq_send(s
->asyncmsgq
, PA_MSGOBJECT(s
), PA_SOURCE_MESSAGE_GET_MAX_REWIND
, &r
, 0, NULL
) == 0);