2 This file is part of PulseAudio.
4 Copyright 2004-2006 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2.1 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
30 #include <pulse/utf8.h>
31 #include <pulse/xmalloc.h>
32 #include <pulse/util.h>
33 #include <pulse/internal.h>
35 #include <pulsecore/sample-util.h>
36 #include <pulsecore/core-subscribe.h>
37 #include <pulsecore/log.h>
38 #include <pulsecore/namereg.h>
39 #include <pulsecore/core-util.h>
41 #include "source-output.h"
43 #define MEMBLOCKQ_MAXLENGTH (32*1024*1024)
45 PA_DEFINE_PUBLIC_CLASS(pa_source_output
, pa_msgobject
);
47 static void source_output_free(pa_object
* mo
);
48 static void set_real_ratio(pa_source_output
*o
, const pa_cvolume
*v
);
50 pa_source_output_new_data
* pa_source_output_new_data_init(pa_source_output_new_data
*data
) {
54 data
->resample_method
= PA_RESAMPLER_INVALID
;
55 data
->proplist
= pa_proplist_new();
56 data
->volume_writable
= TRUE
;
61 void pa_source_output_new_data_set_sample_spec(pa_source_output_new_data
*data
, const pa_sample_spec
*spec
) {
64 if ((data
->sample_spec_is_set
= !!spec
))
65 data
->sample_spec
= *spec
;
68 void pa_source_output_new_data_set_channel_map(pa_source_output_new_data
*data
, const pa_channel_map
*map
) {
71 if ((data
->channel_map_is_set
= !!map
))
72 data
->channel_map
= *map
;
75 pa_bool_t
pa_source_output_new_data_is_passthrough(pa_source_output_new_data
*data
) {
78 if (PA_LIKELY(data
->format
) && PA_UNLIKELY(!pa_format_info_is_pcm(data
->format
)))
81 if (PA_UNLIKELY(data
->flags
& PA_SOURCE_OUTPUT_PASSTHROUGH
))
87 void pa_source_output_new_data_set_volume(pa_source_output_new_data
*data
, const pa_cvolume
*volume
) {
89 pa_assert(data
->volume_writable
);
91 if ((data
->volume_is_set
= !!volume
))
92 data
->volume
= *volume
;
95 void pa_source_output_new_data_apply_volume_factor(pa_source_output_new_data
*data
, const pa_cvolume
*volume_factor
) {
97 pa_assert(volume_factor
);
99 if (data
->volume_factor_is_set
)
100 pa_sw_cvolume_multiply(&data
->volume_factor
, &data
->volume_factor
, volume_factor
);
102 data
->volume_factor_is_set
= TRUE
;
103 data
->volume_factor
= *volume_factor
;
107 void pa_source_output_new_data_apply_volume_factor_source(pa_source_output_new_data
*data
, const pa_cvolume
*volume_factor
) {
109 pa_assert(volume_factor
);
111 if (data
->volume_factor_source_is_set
)
112 pa_sw_cvolume_multiply(&data
->volume_factor_source
, &data
->volume_factor_source
, volume_factor
);
114 data
->volume_factor_source_is_set
= TRUE
;
115 data
->volume_factor_source
= *volume_factor
;
119 void pa_source_output_new_data_set_muted(pa_source_output_new_data
*data
, pa_bool_t mute
) {
122 data
->muted_is_set
= TRUE
;
123 data
->muted
= !!mute
;
126 pa_bool_t
pa_source_output_new_data_set_source(pa_source_output_new_data
*data
, pa_source
*s
, pa_bool_t save
) {
127 pa_bool_t ret
= TRUE
;
128 pa_idxset
*formats
= NULL
;
133 if (!data
->req_formats
) {
134 /* We're not working with the extended API */
136 data
->save_source
= save
;
138 /* Extended API: let's see if this source supports the formats the client would like */
139 formats
= pa_source_check_formats(s
, data
->req_formats
);
141 if (formats
&& !pa_idxset_isempty(formats
)) {
142 /* Source supports at least one of the requested formats */
144 data
->save_source
= save
;
145 if (data
->nego_formats
)
146 pa_idxset_free(data
->nego_formats
, (pa_free2_cb_t
) pa_format_info_free2
, NULL
);
147 data
->nego_formats
= formats
;
149 /* Source doesn't support any of the formats requested by the client */
151 pa_idxset_free(formats
, (pa_free2_cb_t
) pa_format_info_free2
, NULL
);
159 pa_bool_t
pa_source_output_new_data_set_formats(pa_source_output_new_data
*data
, pa_idxset
*formats
) {
163 if (data
->req_formats
)
164 pa_idxset_free(formats
, (pa_free2_cb_t
) pa_format_info_free2
, NULL
);
166 data
->req_formats
= formats
;
169 /* Trigger format negotiation */
170 return pa_source_output_new_data_set_source(data
, data
->source
, data
->save_source
);
176 void pa_source_output_new_data_done(pa_source_output_new_data
*data
) {
179 if (data
->req_formats
)
180 pa_idxset_free(data
->req_formats
, (pa_free2_cb_t
) pa_format_info_free2
, NULL
);
182 if (data
->nego_formats
)
183 pa_idxset_free(data
->nego_formats
, (pa_free2_cb_t
) pa_format_info_free2
, NULL
);
186 pa_format_info_free(data
->format
);
188 pa_proplist_free(data
->proplist
);
191 /* Called from main context */
192 static void reset_callbacks(pa_source_output
*o
) {
196 o
->process_rewind
= NULL
;
197 o
->update_max_rewind
= NULL
;
198 o
->update_source_requested_latency
= NULL
;
199 o
->update_source_latency_range
= NULL
;
200 o
->update_source_fixed_latency
= NULL
;
204 o
->suspend_within_thread
= NULL
;
207 o
->get_latency
= NULL
;
208 o
->state_change
= NULL
;
209 o
->may_move_to
= NULL
;
210 o
->send_event
= NULL
;
211 o
->volume_changed
= NULL
;
212 o
->mute_changed
= NULL
;
215 /* Called from main context */
216 int pa_source_output_new(
217 pa_source_output
**_o
,
219 pa_source_output_new_data
*data
) {
222 pa_resampler
*resampler
= NULL
;
223 char st
[PA_SAMPLE_SPEC_SNPRINT_MAX
], cm
[PA_CHANNEL_MAP_SNPRINT_MAX
];
224 pa_channel_map original_cm
;
233 pa_assert_ctl_context();
236 pa_proplist_update(data
->proplist
, PA_UPDATE_MERGE
, data
->client
->proplist
);
238 if (data
->destination_source
&& (data
->destination_source
->flags
& PA_SOURCE_SHARE_VOLUME_WITH_MASTER
))
239 data
->volume_writable
= FALSE
;
241 if (!data
->req_formats
) {
242 /* From this point on, we want to work only with formats, and get back
243 * to using the sample spec and channel map after all decisions w.r.t.
244 * routing are complete. */
245 pa_idxset
*tmp
= pa_idxset_new(NULL
, NULL
);
246 pa_format_info
*f
= pa_format_info_from_sample_spec(&data
->sample_spec
, &data
->channel_map
);
247 pa_idxset_put(tmp
, f
, NULL
);
248 pa_source_output_new_data_set_formats(data
, tmp
);
251 if ((r
= pa_hook_fire(&core
->hooks
[PA_CORE_HOOK_SOURCE_OUTPUT_NEW
], data
)) < 0)
254 pa_return_val_if_fail(!data
->driver
|| pa_utf8_valid(data
->driver
), -PA_ERR_INVALID
);
257 pa_source_output_new_data_set_source(data
, pa_namereg_get(core
, NULL
, PA_NAMEREG_SOURCE
), FALSE
);
259 /* Routing's done, we have a source. Now let's fix the format and set up the
262 /* If something didn't pick a format for us, pick the top-most format since
263 * we assume this is sorted in priority order */
264 if (!data
->format
&& data
->nego_formats
&& !pa_idxset_isempty(data
->nego_formats
))
265 data
->format
= pa_format_info_copy(pa_idxset_first(data
->nego_formats
, NULL
));
267 pa_return_val_if_fail(data
->format
, -PA_ERR_NOTSUPPORTED
);
269 /* Now populate the sample spec and format according to the final
270 * format that we've negotiated */
271 if (PA_LIKELY(data
->format
->encoding
== PA_ENCODING_PCM
)) {
272 pa_return_val_if_fail(pa_format_info_to_sample_spec(data
->format
, &ss
, &map
), -PA_ERR_INVALID
);
273 pa_source_output_new_data_set_sample_spec(data
, &ss
);
274 if (pa_channel_map_valid(&map
))
275 pa_source_output_new_data_set_channel_map(data
, &map
);
277 pa_return_val_if_fail(pa_format_info_to_sample_spec_fake(data
->format
, &ss
), -PA_ERR_INVALID
);
278 pa_source_output_new_data_set_sample_spec(data
, &ss
);
281 pa_return_val_if_fail(data
->source
, -PA_ERR_NOENTITY
);
282 pa_return_val_if_fail(PA_SOURCE_IS_LINKED(pa_source_get_state(data
->source
)), -PA_ERR_BADSTATE
);
283 pa_return_val_if_fail(!data
->direct_on_input
|| data
->direct_on_input
->sink
== data
->source
->monitor_of
, -PA_ERR_INVALID
);
285 if (!data
->sample_spec_is_set
)
286 data
->sample_spec
= data
->source
->sample_spec
;
288 pa_return_val_if_fail(pa_sample_spec_valid(&data
->sample_spec
), -PA_ERR_INVALID
);
290 if (!data
->channel_map_is_set
) {
291 if (pa_channel_map_compatible(&data
->source
->channel_map
, &data
->sample_spec
))
292 data
->channel_map
= data
->source
->channel_map
;
294 pa_channel_map_init_extend(&data
->channel_map
, data
->sample_spec
.channels
, PA_CHANNEL_MAP_DEFAULT
);
297 pa_return_val_if_fail(pa_channel_map_compatible(&data
->channel_map
, &data
->sample_spec
), -PA_ERR_INVALID
);
299 /* Don't restore (or save) stream volume for passthrough streams */
300 if (!pa_format_info_is_pcm(data
->format
)) {
301 data
->volume_is_set
= FALSE
;
302 data
->volume_factor_is_set
= FALSE
;
305 if (!data
->volume_is_set
) {
306 pa_cvolume_reset(&data
->volume
, data
->sample_spec
.channels
);
307 data
->volume_is_absolute
= FALSE
;
308 data
->save_volume
= FALSE
;
311 pa_return_val_if_fail(pa_cvolume_compatible(&data
->volume
, &data
->sample_spec
), -PA_ERR_INVALID
);
313 if (!data
->volume_factor_is_set
)
314 pa_cvolume_reset(&data
->volume_factor
, data
->sample_spec
.channels
);
316 pa_return_val_if_fail(pa_cvolume_compatible(&data
->volume_factor
, &data
->sample_spec
), -PA_ERR_INVALID
);
318 if (!data
->volume_factor_source_is_set
)
319 pa_cvolume_reset(&data
->volume_factor_source
, data
->source
->sample_spec
.channels
);
321 pa_return_val_if_fail(pa_cvolume_compatible(&data
->volume_factor_source
, &data
->source
->sample_spec
), -PA_ERR_INVALID
);
323 if (!data
->muted_is_set
)
326 if (data
->flags
& PA_SOURCE_OUTPUT_FIX_FORMAT
)
327 data
->sample_spec
.format
= data
->source
->sample_spec
.format
;
329 if (data
->flags
& PA_SOURCE_OUTPUT_FIX_RATE
)
330 data
->sample_spec
.rate
= data
->source
->sample_spec
.rate
;
332 original_cm
= data
->channel_map
;
334 if (data
->flags
& PA_SOURCE_OUTPUT_FIX_CHANNELS
) {
335 data
->sample_spec
.channels
= data
->source
->sample_spec
.channels
;
336 data
->channel_map
= data
->source
->channel_map
;
339 pa_assert(pa_sample_spec_valid(&data
->sample_spec
));
340 pa_assert(pa_channel_map_valid(&data
->channel_map
));
342 /* Due to the fixing of the sample spec the volume might not match anymore */
343 pa_cvolume_remap(&data
->volume
, &original_cm
, &data
->channel_map
);
345 if (data
->resample_method
== PA_RESAMPLER_INVALID
)
346 data
->resample_method
= core
->resample_method
;
348 pa_return_val_if_fail(data
->resample_method
< PA_RESAMPLER_MAX
, -PA_ERR_INVALID
);
350 if ((r
= pa_hook_fire(&core
->hooks
[PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE
], data
)) < 0)
353 if ((data
->flags
& PA_SOURCE_OUTPUT_NO_CREATE_ON_SUSPEND
) &&
354 pa_source_get_state(data
->source
) == PA_SOURCE_SUSPENDED
) {
355 pa_log("Failed to create source output: source is suspended.");
356 return -PA_ERR_BADSTATE
;
359 if (pa_idxset_size(data
->source
->outputs
) >= PA_MAX_OUTPUTS_PER_SOURCE
) {
360 pa_log("Failed to create source output: too many outputs per source.");
361 return -PA_ERR_TOOLARGE
;
364 if ((data
->flags
& PA_SOURCE_OUTPUT_VARIABLE_RATE
) ||
365 !pa_sample_spec_equal(&data
->sample_spec
, &data
->source
->sample_spec
) ||
366 !pa_channel_map_equal(&data
->channel_map
, &data
->source
->channel_map
)) {
368 if (!pa_source_output_new_data_is_passthrough(data
)) /* no resampler for passthrough content */
369 if (!(resampler
= pa_resampler_new(
371 &data
->source
->sample_spec
, &data
->source
->channel_map
,
372 &data
->sample_spec
, &data
->channel_map
,
373 data
->resample_method
,
374 ((data
->flags
& PA_SOURCE_OUTPUT_VARIABLE_RATE
) ? PA_RESAMPLER_VARIABLE_RATE
: 0) |
375 ((data
->flags
& PA_SOURCE_OUTPUT_NO_REMAP
) ? PA_RESAMPLER_NO_REMAP
: 0) |
376 (core
->disable_remixing
|| (data
->flags
& PA_SOURCE_OUTPUT_NO_REMIX
) ? PA_RESAMPLER_NO_REMIX
: 0) |
377 (core
->disable_lfe_remixing
? PA_RESAMPLER_NO_LFE
: 0)))) {
378 pa_log_warn("Unsupported resampling operation.");
379 return -PA_ERR_NOTSUPPORTED
;
383 o
= pa_msgobject_new(pa_source_output
);
384 o
->parent
.parent
.free
= source_output_free
;
385 o
->parent
.process_msg
= pa_source_output_process_msg
;
388 o
->state
= PA_SOURCE_OUTPUT_INIT
;
389 o
->flags
= data
->flags
;
390 o
->proplist
= pa_proplist_copy(data
->proplist
);
391 o
->driver
= pa_xstrdup(pa_path_get_filename(data
->driver
));
392 o
->module
= data
->module
;
393 o
->source
= data
->source
;
394 o
->destination_source
= data
->destination_source
;
395 o
->client
= data
->client
;
397 o
->requested_resample_method
= data
->resample_method
;
398 o
->actual_resample_method
= resampler
? pa_resampler_get_method(resampler
) : PA_RESAMPLER_INVALID
;
399 o
->sample_spec
= data
->sample_spec
;
400 o
->channel_map
= data
->channel_map
;
401 o
->format
= pa_format_info_copy(data
->format
);
403 if (!data
->volume_is_absolute
&& pa_source_flat_volume_enabled(o
->source
)) {
406 /* When the 'absolute' bool is not set then we'll treat the volume
407 * as relative to the source volume even in flat volume mode */
408 remapped
= data
->source
->reference_volume
;
409 pa_cvolume_remap(&remapped
, &data
->source
->channel_map
, &data
->channel_map
);
410 pa_sw_cvolume_multiply(&o
->volume
, &data
->volume
, &remapped
);
412 o
->volume
= data
->volume
;
414 o
->volume_factor
= data
->volume_factor
;
415 o
->volume_factor_source
= data
->volume_factor_source
;
416 o
->real_ratio
= o
->reference_ratio
= data
->volume
;
417 pa_cvolume_reset(&o
->soft_volume
, o
->sample_spec
.channels
);
418 pa_cvolume_reset(&o
->real_ratio
, o
->sample_spec
.channels
);
419 o
->volume_writable
= data
->volume_writable
;
420 o
->save_volume
= data
->save_volume
;
421 o
->save_source
= data
->save_source
;
422 o
->save_muted
= data
->save_muted
;
424 o
->muted
= data
->muted
;
426 o
->direct_on_input
= data
->direct_on_input
;
431 o
->thread_info
.state
= o
->state
;
432 o
->thread_info
.attached
= FALSE
;
433 o
->thread_info
.sample_spec
= o
->sample_spec
;
434 o
->thread_info
.resampler
= resampler
;
435 o
->thread_info
.soft_volume
= o
->soft_volume
;
436 o
->thread_info
.muted
= o
->muted
;
437 o
->thread_info
.requested_source_latency
= (pa_usec_t
) -1;
438 o
->thread_info
.direct_on_input
= o
->direct_on_input
;
440 o
->thread_info
.delay_memblockq
= pa_memblockq_new(
444 pa_frame_size(&o
->source
->sample_spec
),
448 &o
->source
->silence
);
450 pa_assert_se(pa_idxset_put(core
->source_outputs
, o
, &o
->index
) == 0);
451 pa_assert_se(pa_idxset_put(o
->source
->outputs
, pa_source_output_ref(o
), NULL
) == 0);
454 pa_assert_se(pa_idxset_put(o
->client
->source_outputs
, o
, NULL
) >= 0);
456 if (o
->direct_on_input
)
457 pa_assert_se(pa_idxset_put(o
->direct_on_input
->direct_outputs
, o
, NULL
) == 0);
459 pt
= pa_proplist_to_string_sep(o
->proplist
, "\n ");
460 pa_log_info("Created output %u \"%s\" on %s with sample spec %s and channel map %s\n %s",
462 pa_strnull(pa_proplist_gets(o
->proplist
, PA_PROP_MEDIA_NAME
)),
464 pa_sample_spec_snprint(st
, sizeof(st
), &o
->sample_spec
),
465 pa_channel_map_snprint(cm
, sizeof(cm
), &o
->channel_map
),
469 /* Don't forget to call pa_source_output_put! */
475 /* Called from main context */
476 static void update_n_corked(pa_source_output
*o
, pa_source_output_state_t state
) {
478 pa_assert_ctl_context();
483 if (o
->state
== PA_SOURCE_OUTPUT_CORKED
&& state
!= PA_SOURCE_OUTPUT_CORKED
)
484 pa_assert_se(o
->source
->n_corked
-- >= 1);
485 else if (o
->state
!= PA_SOURCE_OUTPUT_CORKED
&& state
== PA_SOURCE_OUTPUT_CORKED
)
486 o
->source
->n_corked
++;
489 /* Called from main context */
490 static void source_output_set_state(pa_source_output
*o
, pa_source_output_state_t state
) {
493 pa_assert_ctl_context();
495 if (o
->state
== state
)
498 pa_assert_se(pa_asyncmsgq_send(o
->source
->asyncmsgq
, PA_MSGOBJECT(o
), PA_SOURCE_OUTPUT_MESSAGE_SET_STATE
, PA_UINT_TO_PTR(state
), 0, NULL
) == 0);
500 update_n_corked(o
, state
);
503 if (state
!= PA_SOURCE_OUTPUT_UNLINKED
) {
504 pa_hook_fire(&o
->core
->hooks
[PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED
], o
);
506 if (PA_SOURCE_OUTPUT_IS_LINKED(state
))
507 pa_subscription_post(o
->core
, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, o
->index
);
510 pa_source_update_status(o
->source
);
513 /* Called from main context */
514 void pa_source_output_unlink(pa_source_output
*o
) {
517 pa_assert_ctl_context();
519 /* See pa_sink_unlink() for a couple of comments how this function
522 pa_source_output_ref(o
);
524 linked
= PA_SOURCE_OUTPUT_IS_LINKED(o
->state
);
527 pa_hook_fire(&o
->core
->hooks
[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK
], o
);
529 if (o
->direct_on_input
)
530 pa_idxset_remove_by_data(o
->direct_on_input
->direct_outputs
, o
, NULL
);
532 pa_idxset_remove_by_data(o
->core
->source_outputs
, o
, NULL
);
535 if (pa_idxset_remove_by_data(o
->source
->outputs
, o
, NULL
))
536 pa_source_output_unref(o
);
539 pa_idxset_remove_by_data(o
->client
->source_outputs
, o
, NULL
);
541 update_n_corked(o
, PA_SOURCE_OUTPUT_UNLINKED
);
542 o
->state
= PA_SOURCE_OUTPUT_UNLINKED
;
544 if (linked
&& o
->source
) {
545 /* We might need to update the source's volume if we are in flat volume mode. */
546 if (pa_source_flat_volume_enabled(o
->source
))
547 pa_source_set_volume(o
->source
, NULL
, FALSE
, FALSE
);
549 if (o
->source
->asyncmsgq
)
550 pa_assert_se(pa_asyncmsgq_send(o
->source
->asyncmsgq
, PA_MSGOBJECT(o
->source
), PA_SOURCE_MESSAGE_REMOVE_OUTPUT
, o
, 0, NULL
) == 0);
556 pa_subscription_post(o
->core
, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT
|PA_SUBSCRIPTION_EVENT_REMOVE
, o
->index
);
557 pa_hook_fire(&o
->core
->hooks
[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK_POST
], o
);
561 pa_source_update_status(o
->source
);
565 pa_core_maybe_vacuum(o
->core
);
567 pa_source_output_unref(o
);
570 /* Called from main context */
571 static void source_output_free(pa_object
* mo
) {
572 pa_source_output
*o
= PA_SOURCE_OUTPUT(mo
);
575 pa_assert_ctl_context();
576 pa_assert(pa_source_output_refcnt(o
) == 0);
578 if (PA_SOURCE_OUTPUT_IS_LINKED(o
->state
))
579 pa_source_output_unlink(o
);
581 pa_log_info("Freeing output %u \"%s\"", o
->index
, pa_strnull(pa_proplist_gets(o
->proplist
, PA_PROP_MEDIA_NAME
)));
583 if (o
->thread_info
.delay_memblockq
)
584 pa_memblockq_free(o
->thread_info
.delay_memblockq
);
586 if (o
->thread_info
.resampler
)
587 pa_resampler_free(o
->thread_info
.resampler
);
590 pa_format_info_free(o
->format
);
593 pa_proplist_free(o
->proplist
);
599 /* Called from main context */
600 void pa_source_output_put(pa_source_output
*o
) {
601 pa_source_output_state_t state
;
603 pa_source_output_assert_ref(o
);
604 pa_assert_ctl_context();
606 pa_assert(o
->state
== PA_SOURCE_OUTPUT_INIT
);
608 /* The following fields must be initialized properly */
612 state
= o
->flags
& PA_SOURCE_OUTPUT_START_CORKED
? PA_SOURCE_OUTPUT_CORKED
: PA_SOURCE_OUTPUT_RUNNING
;
614 update_n_corked(o
, state
);
617 /* We might need to update the source's volume if we are in flat volume mode. */
618 if (pa_source_flat_volume_enabled(o
->source
))
619 pa_source_set_volume(o
->source
, NULL
, FALSE
, o
->save_volume
);
621 if (o
->destination_source
&& (o
->destination_source
->flags
& PA_SOURCE_SHARE_VOLUME_WITH_MASTER
)) {
622 pa_assert(pa_cvolume_is_norm(&o
->volume
));
623 pa_assert(pa_cvolume_is_norm(&o
->reference_ratio
));
626 set_real_ratio(o
, &o
->volume
);
629 o
->thread_info
.soft_volume
= o
->soft_volume
;
630 o
->thread_info
.muted
= o
->muted
;
632 pa_assert_se(pa_asyncmsgq_send(o
->source
->asyncmsgq
, PA_MSGOBJECT(o
->source
), PA_SOURCE_MESSAGE_ADD_OUTPUT
, o
, 0, NULL
) == 0);
634 pa_subscription_post(o
->core
, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT
|PA_SUBSCRIPTION_EVENT_NEW
, o
->index
);
635 pa_hook_fire(&o
->core
->hooks
[PA_CORE_HOOK_SOURCE_OUTPUT_PUT
], o
);
637 pa_source_update_status(o
->source
);
640 /* Called from main context */
641 void pa_source_output_kill(pa_source_output
*o
) {
642 pa_source_output_assert_ref(o
);
643 pa_assert_ctl_context();
644 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
649 /* Called from main context */
650 pa_usec_t
pa_source_output_get_latency(pa_source_output
*o
, pa_usec_t
*source_latency
) {
651 pa_usec_t r
[2] = { 0, 0 };
653 pa_source_output_assert_ref(o
);
654 pa_assert_ctl_context();
655 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
657 pa_assert_se(pa_asyncmsgq_send(o
->source
->asyncmsgq
, PA_MSGOBJECT(o
), PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY
, r
, 0, NULL
) == 0);
660 r
[0] += o
->get_latency(o
);
663 *source_latency
= r
[1];
668 /* Called from thread context */
669 void pa_source_output_push(pa_source_output
*o
, const pa_memchunk
*chunk
) {
670 pa_bool_t need_volume_factor_source
;
671 pa_bool_t volume_is_norm
;
673 size_t limit
, mbs
= 0;
675 pa_source_output_assert_ref(o
);
676 pa_source_output_assert_io_context(o
);
677 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->thread_info
.state
));
679 pa_assert(pa_frame_aligned(chunk
->length
, &o
->source
->sample_spec
));
681 if (!o
->push
|| o
->thread_info
.state
== PA_SOURCE_OUTPUT_CORKED
)
684 pa_assert(o
->thread_info
.state
== PA_SOURCE_OUTPUT_RUNNING
);
686 if (pa_memblockq_push(o
->thread_info
.delay_memblockq
, chunk
) < 0) {
687 pa_log_debug("Delay queue overflow!");
688 pa_memblockq_seek(o
->thread_info
.delay_memblockq
, (int64_t) chunk
->length
, PA_SEEK_RELATIVE
, TRUE
);
691 limit
= o
->process_rewind
? 0 : o
->source
->thread_info
.max_rewind
;
693 volume_is_norm
= pa_cvolume_is_norm(&o
->thread_info
.soft_volume
) && !o
->thread_info
.muted
;
694 need_volume_factor_source
= !pa_cvolume_is_norm(&o
->volume_factor_source
);
696 if (limit
> 0 && o
->source
->monitor_of
) {
700 /* Hmm, check the latency for knowing how much of the buffered
701 * data is actually still unplayed and might hence still
702 * change. This is suboptimal. Ideally we'd have a call like
703 * pa_sink_get_changeable_size() or so that tells us how much
704 * of the queued data is actually still changeable. Hence
707 latency
= pa_sink_get_latency_within_thread(o
->source
->monitor_of
);
709 n
= pa_usec_to_bytes(latency
, &o
->source
->sample_spec
);
715 /* Implement the delay queue */
716 while ((length
= pa_memblockq_get_length(o
->thread_info
.delay_memblockq
)) > limit
) {
718 pa_bool_t nvfs
= need_volume_factor_source
;
722 pa_assert_se(pa_memblockq_peek(o
->thread_info
.delay_memblockq
, &qchunk
) >= 0);
724 if (qchunk
.length
> length
)
725 qchunk
.length
= length
;
727 pa_assert(qchunk
.length
> 0);
729 /* It might be necessary to adjust the volume here */
730 if (!volume_is_norm
) {
731 pa_memchunk_make_writable(&qchunk
, 0);
733 if (o
->thread_info
.muted
) {
734 pa_silence_memchunk(&qchunk
, &o
->thread_info
.sample_spec
);
737 } else if (!o
->thread_info
.resampler
&& nvfs
) {
740 /* If we don't need a resampler we can merge the
741 * post and the pre volume adjustment into one */
743 pa_sw_cvolume_multiply(&v
, &o
->thread_info
.soft_volume
, &o
->volume_factor_source
);
744 pa_volume_memchunk(&qchunk
, &o
->thread_info
.sample_spec
, &v
);
748 pa_volume_memchunk(&qchunk
, &o
->thread_info
.sample_spec
, &o
->thread_info
.soft_volume
);
751 if (!o
->thread_info
.resampler
) {
753 pa_memchunk_make_writable(&qchunk
, 0);
754 pa_volume_memchunk(&qchunk
, &o
->source
->sample_spec
, &o
->volume_factor_source
);
762 mbs
= pa_resampler_max_block_size(o
->thread_info
.resampler
);
764 if (qchunk
.length
> mbs
)
767 pa_resampler_run(o
->thread_info
.resampler
, &qchunk
, &rchunk
);
769 if (rchunk
.length
> 0) {
771 pa_memchunk_make_writable(&rchunk
, 0);
772 pa_volume_memchunk(&rchunk
, &o
->source
->sample_spec
, &o
->volume_factor_source
);
779 pa_memblock_unref(rchunk
.memblock
);
782 pa_memblock_unref(qchunk
.memblock
);
783 pa_memblockq_drop(o
->thread_info
.delay_memblockq
, qchunk
.length
);
787 /* Called from thread context */
788 void pa_source_output_process_rewind(pa_source_output
*o
, size_t nbytes
/* in source sample spec */) {
790 pa_source_output_assert_ref(o
);
791 pa_source_output_assert_io_context(o
);
792 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->thread_info
.state
));
793 pa_assert(pa_frame_aligned(nbytes
, &o
->source
->sample_spec
));
798 if (o
->process_rewind
) {
799 pa_assert(pa_memblockq_get_length(o
->thread_info
.delay_memblockq
) == 0);
801 if (o
->thread_info
.resampler
)
802 nbytes
= pa_resampler_result(o
->thread_info
.resampler
, nbytes
);
804 pa_log_debug("Have to rewind %lu bytes on implementor.", (unsigned long) nbytes
);
807 o
->process_rewind(o
, nbytes
);
809 if (o
->thread_info
.resampler
)
810 pa_resampler_reset(o
->thread_info
.resampler
);
813 pa_memblockq_rewind(o
->thread_info
.delay_memblockq
, nbytes
);
816 /* Called from thread context */
817 size_t pa_source_output_get_max_rewind(pa_source_output
*o
) {
818 pa_source_output_assert_ref(o
);
819 pa_source_output_assert_io_context(o
);
821 return o
->thread_info
.resampler
? pa_resampler_request(o
->thread_info
.resampler
, o
->source
->thread_info
.max_rewind
) : o
->source
->thread_info
.max_rewind
;
824 /* Called from thread context */
825 void pa_source_output_update_max_rewind(pa_source_output
*o
, size_t nbytes
/* in the source's sample spec */) {
826 pa_source_output_assert_ref(o
);
827 pa_source_output_assert_io_context(o
);
828 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->thread_info
.state
));
829 pa_assert(pa_frame_aligned(nbytes
, &o
->source
->sample_spec
));
831 if (o
->update_max_rewind
)
832 o
->update_max_rewind(o
, o
->thread_info
.resampler
? pa_resampler_result(o
->thread_info
.resampler
, nbytes
) : nbytes
);
835 /* Called from thread context */
836 pa_usec_t
pa_source_output_set_requested_latency_within_thread(pa_source_output
*o
, pa_usec_t usec
) {
837 pa_source_output_assert_ref(o
);
838 pa_source_output_assert_io_context(o
);
840 if (!(o
->source
->flags
& PA_SOURCE_DYNAMIC_LATENCY
))
841 usec
= o
->source
->thread_info
.fixed_latency
;
843 if (usec
!= (pa_usec_t
) -1)
844 usec
= PA_CLAMP(usec
, o
->source
->thread_info
.min_latency
, o
->source
->thread_info
.max_latency
);
846 o
->thread_info
.requested_source_latency
= usec
;
847 pa_source_invalidate_requested_latency(o
->source
, TRUE
);
852 /* Called from main context */
853 pa_usec_t
pa_source_output_set_requested_latency(pa_source_output
*o
, pa_usec_t usec
) {
854 pa_source_output_assert_ref(o
);
855 pa_assert_ctl_context();
857 if (PA_SOURCE_OUTPUT_IS_LINKED(o
->state
) && o
->source
) {
858 pa_assert_se(pa_asyncmsgq_send(o
->source
->asyncmsgq
, PA_MSGOBJECT(o
), PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY
, &usec
, 0, NULL
) == 0);
862 /* If this source output is not realized yet or is being moved, we
863 * have to touch the thread info data directly */
866 if (!(o
->source
->flags
& PA_SOURCE_DYNAMIC_LATENCY
))
867 usec
= pa_source_get_fixed_latency(o
->source
);
869 if (usec
!= (pa_usec_t
) -1) {
870 pa_usec_t min_latency
, max_latency
;
871 pa_source_get_latency_range(o
->source
, &min_latency
, &max_latency
);
872 usec
= PA_CLAMP(usec
, min_latency
, max_latency
);
876 o
->thread_info
.requested_source_latency
= usec
;
881 /* Called from main context */
882 pa_usec_t
pa_source_output_get_requested_latency(pa_source_output
*o
) {
883 pa_source_output_assert_ref(o
);
884 pa_assert_ctl_context();
886 if (PA_SOURCE_OUTPUT_IS_LINKED(o
->state
) && o
->source
) {
888 pa_assert_se(pa_asyncmsgq_send(o
->source
->asyncmsgq
, PA_MSGOBJECT(o
), PA_SOURCE_OUTPUT_MESSAGE_GET_REQUESTED_LATENCY
, &usec
, 0, NULL
) == 0);
892 /* If this source output is not realized yet or is being moved, we
893 * have to touch the thread info data directly */
895 return o
->thread_info
.requested_source_latency
;
898 /* Called from main context */
899 void pa_source_output_cork(pa_source_output
*o
, pa_bool_t b
) {
900 pa_source_output_assert_ref(o
);
901 pa_assert_ctl_context();
902 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
904 source_output_set_state(o
, b
? PA_SOURCE_OUTPUT_CORKED
: PA_SOURCE_OUTPUT_RUNNING
);
907 /* Called from main context */
908 int pa_source_output_set_rate(pa_source_output
*o
, uint32_t rate
) {
909 pa_source_output_assert_ref(o
);
910 pa_assert_ctl_context();
911 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
912 pa_return_val_if_fail(o
->thread_info
.resampler
, -PA_ERR_BADSTATE
);
914 if (o
->sample_spec
.rate
== rate
)
917 o
->sample_spec
.rate
= rate
;
919 pa_asyncmsgq_post(o
->source
->asyncmsgq
, PA_MSGOBJECT(o
), PA_SOURCE_OUTPUT_MESSAGE_SET_RATE
, PA_UINT_TO_PTR(rate
), 0, NULL
, NULL
);
921 pa_subscription_post(o
->core
, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, o
->index
);
925 /* Called from main context */
926 void pa_source_output_set_name(pa_source_output
*o
, const char *name
) {
928 pa_assert_ctl_context();
929 pa_source_output_assert_ref(o
);
931 if (!name
&& !pa_proplist_contains(o
->proplist
, PA_PROP_MEDIA_NAME
))
934 old
= pa_proplist_gets(o
->proplist
, PA_PROP_MEDIA_NAME
);
936 if (old
&& name
&& !strcmp(old
, name
))
940 pa_proplist_sets(o
->proplist
, PA_PROP_MEDIA_NAME
, name
);
942 pa_proplist_unset(o
->proplist
, PA_PROP_MEDIA_NAME
);
944 if (PA_SOURCE_OUTPUT_IS_LINKED(o
->state
)) {
945 pa_hook_fire(&o
->core
->hooks
[PA_CORE_HOOK_SOURCE_OUTPUT_PROPLIST_CHANGED
], o
);
946 pa_subscription_post(o
->core
, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, o
->index
);
950 /* Called from main context */
951 void pa_source_output_set_volume(pa_source_output
*o
, const pa_cvolume
*volume
, pa_bool_t save
, pa_bool_t absolute
) {
954 pa_source_output_assert_ref(o
);
955 pa_assert_ctl_context();
956 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
958 pa_assert(pa_cvolume_valid(volume
));
959 pa_assert(volume
->channels
== 1 || pa_cvolume_compatible(volume
, &o
->sample_spec
));
960 pa_assert(o
->volume_writable
);
962 if (!absolute
&& pa_source_flat_volume_enabled(o
->source
)) {
963 v
= o
->source
->reference_volume
;
964 pa_cvolume_remap(&v
, &o
->source
->channel_map
, &o
->channel_map
);
966 if (pa_cvolume_compatible(volume
, &o
->sample_spec
))
967 volume
= pa_sw_cvolume_multiply(&v
, &v
, volume
);
969 volume
= pa_sw_cvolume_multiply_scalar(&v
, &v
, pa_cvolume_max(volume
));
971 if (!pa_cvolume_compatible(volume
, &o
->sample_spec
)) {
973 volume
= pa_cvolume_scale(&v
, pa_cvolume_max(volume
));
977 if (pa_cvolume_equal(volume
, &o
->volume
)) {
978 o
->save_volume
= o
->save_volume
|| save
;
983 o
->save_volume
= save
;
985 if (pa_source_flat_volume_enabled(o
->source
)) {
986 /* We are in flat volume mode, so let's update all source input
987 * volumes and update the flat volume of the source */
989 pa_source_set_volume(o
->source
, NULL
, TRUE
, save
);
992 /* OK, we are in normal volume mode. The volume only affects
994 set_real_ratio(o
, volume
);
996 /* Copy the new soft_volume to the thread_info struct */
997 pa_assert_se(pa_asyncmsgq_send(o
->source
->asyncmsgq
, PA_MSGOBJECT(o
), PA_SOURCE_OUTPUT_MESSAGE_SET_SOFT_VOLUME
, NULL
, 0, NULL
) == 0);
1000 /* The volume changed, let's tell people so */
1001 if (o
->volume_changed
)
1002 o
->volume_changed(o
);
1004 /* The virtual volume changed, let's tell people so */
1005 pa_subscription_post(o
->core
, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, o
->index
);
1008 /* Called from main context */
1009 static void set_real_ratio(pa_source_output
*o
, const pa_cvolume
*v
) {
1010 pa_source_output_assert_ref(o
);
1011 pa_assert_ctl_context();
1012 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
1013 pa_assert(!v
|| pa_cvolume_compatible(v
, &o
->sample_spec
));
1015 /* This basically calculates:
1017 * o->real_ratio := v
1018 * o->soft_volume := o->real_ratio * o->volume_factor */
1023 pa_cvolume_reset(&o
->real_ratio
, o
->sample_spec
.channels
);
1025 pa_sw_cvolume_multiply(&o
->soft_volume
, &o
->real_ratio
, &o
->volume_factor
);
1026 /* We don't copy the data to the thread_info data. That's left for someone else to do */
1029 /* Called from main or I/O context */
1030 pa_bool_t
pa_source_output_is_passthrough(pa_source_output
*o
) {
1031 pa_source_output_assert_ref(o
);
1033 if (PA_UNLIKELY(!pa_format_info_is_pcm(o
->format
)))
1036 if (PA_UNLIKELY(o
->flags
& PA_SOURCE_OUTPUT_PASSTHROUGH
))
1042 /* Called from main context */
1043 pa_bool_t
pa_source_output_is_volume_readable(pa_source_output
*o
) {
1044 pa_source_output_assert_ref(o
);
1045 pa_assert_ctl_context();
1047 return !pa_source_output_is_passthrough(o
);
1050 /* Called from main context */
1051 pa_cvolume
*pa_source_output_get_volume(pa_source_output
*o
, pa_cvolume
*volume
, pa_bool_t absolute
) {
1052 pa_source_output_assert_ref(o
);
1053 pa_assert_ctl_context();
1054 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
1055 pa_assert(pa_source_output_is_volume_readable(o
));
1057 if (absolute
|| !pa_source_flat_volume_enabled(o
->source
))
1058 *volume
= o
->volume
;
1060 *volume
= o
->reference_ratio
;
1065 /* Called from main context */
1066 void pa_source_output_set_mute(pa_source_output
*o
, pa_bool_t mute
, pa_bool_t save
) {
1067 pa_source_output_assert_ref(o
);
1068 pa_assert_ctl_context();
1069 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
1071 if (!o
->muted
== !mute
) {
1072 o
->save_muted
= o
->save_muted
|| mute
;
1077 o
->save_muted
= save
;
1079 pa_assert_se(pa_asyncmsgq_send(o
->source
->asyncmsgq
, PA_MSGOBJECT(o
), PA_SOURCE_OUTPUT_MESSAGE_SET_SOFT_MUTE
, NULL
, 0, NULL
) == 0);
1081 /* The mute status changed, let's tell people so */
1082 if (o
->mute_changed
)
1085 pa_subscription_post(o
->core
, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, o
->index
);
1088 /* Called from main context */
1089 pa_bool_t
pa_source_output_get_mute(pa_source_output
*o
) {
1090 pa_source_output_assert_ref(o
);
1091 pa_assert_ctl_context();
1092 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
1097 /* Called from main thread */
1098 void pa_source_output_update_proplist(pa_source_output
*o
, pa_update_mode_t mode
, pa_proplist
*p
) {
1099 pa_source_output_assert_ref(o
);
1100 pa_assert_ctl_context();
1103 pa_proplist_update(o
->proplist
, mode
, p
);
1105 if (PA_SOURCE_OUTPUT_IS_LINKED(o
->state
)) {
1106 pa_hook_fire(&o
->core
->hooks
[PA_CORE_HOOK_SOURCE_OUTPUT_PROPLIST_CHANGED
], o
);
1107 pa_subscription_post(o
->core
, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, o
->index
);
1111 /* Called from main context */
1112 pa_resample_method_t
pa_source_output_get_resample_method(pa_source_output
*o
) {
1113 pa_source_output_assert_ref(o
);
1114 pa_assert_ctl_context();
1116 return o
->actual_resample_method
;
1119 /* Called from main context */
1120 pa_bool_t
pa_source_output_may_move(pa_source_output
*o
) {
1121 pa_source_output_assert_ref(o
);
1122 pa_assert_ctl_context();
1123 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
1125 if (o
->flags
& PA_SOURCE_OUTPUT_DONT_MOVE
)
1128 if (o
->direct_on_input
)
1134 /* Called from main context */
1135 pa_bool_t
pa_source_output_may_move_to(pa_source_output
*o
, pa_source
*dest
) {
1136 pa_source_output_assert_ref(o
);
1137 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
1138 pa_source_assert_ref(dest
);
1140 if (dest
== o
->source
)
1143 if (!pa_source_output_may_move(o
))
1146 if (pa_idxset_size(dest
->outputs
) >= PA_MAX_OUTPUTS_PER_SOURCE
) {
1147 pa_log_warn("Failed to move source output: too many outputs per source.");
1152 if (!o
->may_move_to(o
, dest
))
1158 /* Called from main context */
1159 int pa_source_output_start_move(pa_source_output
*o
) {
1163 pa_source_output_assert_ref(o
);
1164 pa_assert_ctl_context();
1165 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
1166 pa_assert(o
->source
);
1168 if (!pa_source_output_may_move(o
))
1169 return -PA_ERR_NOTSUPPORTED
;
1171 if ((r
= pa_hook_fire(&o
->core
->hooks
[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_START
], o
)) < 0)
1176 pa_idxset_remove_by_data(o
->source
->outputs
, o
, NULL
);
1178 if (pa_source_output_get_state(o
) == PA_SOURCE_OUTPUT_CORKED
)
1179 pa_assert_se(origin
->n_corked
-- >= 1);
1181 if (pa_source_flat_volume_enabled(o
->source
))
1182 /* We might need to update the source's volume if we are in flat
1184 pa_source_set_volume(o
->source
, NULL
, FALSE
, FALSE
);
1186 pa_assert_se(pa_asyncmsgq_send(o
->source
->asyncmsgq
, PA_MSGOBJECT(o
->source
), PA_SOURCE_MESSAGE_REMOVE_OUTPUT
, o
, 0, NULL
) == 0);
1188 pa_source_update_status(o
->source
);
1191 pa_source_output_unref(o
);
1196 /* Called from main context. If it has an origin source that uses volume sharing,
1197 * then also the origin source and all streams connected to it need to update
1198 * their volume - this function does all that by using recursion. */
1199 static void update_volume_due_to_moving(pa_source_output
*o
, pa_source
*dest
) {
1200 pa_cvolume old_volume
;
1204 pa_assert(o
->source
); /* The destination source should already be set. */
1206 if (o
->destination_source
&& (o
->destination_source
->flags
& PA_SOURCE_SHARE_VOLUME_WITH_MASTER
)) {
1207 pa_source
*root_source
= o
->source
;
1208 pa_source_output
*destination_source_output
;
1211 while (root_source
->flags
& PA_SOURCE_SHARE_VOLUME_WITH_MASTER
)
1212 root_source
= root_source
->output_from_master
->source
;
1214 if (pa_source_flat_volume_enabled(o
->source
)) {
1215 /* Ok, so the origin source uses volume sharing, and flat volume is
1216 * enabled. The volume will have to be updated as follows:
1218 * o->volume := o->source->real_volume
1219 * (handled later by pa_source_set_volume)
1220 * o->reference_ratio := o->volume / o->source->reference_volume
1221 * (handled later by pa_source_set_volume)
1222 * o->real_ratio stays unchanged
1223 * (streams whose origin source uses volume sharing should
1224 * always have real_ratio of 0 dB)
1225 * o->soft_volume stays unchanged
1226 * (streams whose origin source uses volume sharing should
1227 * always have volume_factor as soft_volume, so no change
1228 * should be needed) */
1230 pa_assert(pa_cvolume_is_norm(&o
->real_ratio
));
1231 pa_assert(pa_cvolume_equal(&o
->soft_volume
, &o
->volume_factor
));
1233 /* Notifications will be sent by pa_source_set_volume(). */
1236 /* Ok, so the origin source uses volume sharing, and flat volume is
1237 * disabled. The volume will have to be updated as follows:
1240 * o->reference_ratio := 0 dB
1241 * o->real_ratio stays unchanged
1242 * (streams whose origin source uses volume sharing should
1243 * always have real_ratio of 0 dB)
1244 * o->soft_volume stays unchanged
1245 * (streams whose origin source uses volume sharing should
1246 * always have volume_factor as soft_volume, so no change
1247 * should be needed) */
1249 old_volume
= o
->volume
;
1250 pa_cvolume_reset(&o
->volume
, o
->volume
.channels
);
1251 pa_cvolume_reset(&o
->reference_ratio
, o
->reference_ratio
.channels
);
1252 pa_assert(pa_cvolume_is_norm(&o
->real_ratio
));
1253 pa_assert(pa_cvolume_equal(&o
->soft_volume
, &o
->volume_factor
));
1255 /* Notify others about the changed source output volume. */
1256 if (!pa_cvolume_equal(&o
->volume
, &old_volume
)) {
1257 if (o
->volume_changed
)
1258 o
->volume_changed(o
);
1260 pa_subscription_post(o
->core
, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, o
->index
);
1264 /* Additionally, the origin source volume needs updating:
1266 * o->destination_source->reference_volume := root_source->reference_volume
1267 * o->destination_source->real_volume := root_source->real_volume
1268 * o->destination_source->soft_volume stays unchanged
1269 * (sources that use volume sharing should always have
1270 * soft_volume of 0 dB) */
1272 old_volume
= o
->destination_source
->reference_volume
;
1274 o
->destination_source
->reference_volume
= root_source
->reference_volume
;
1275 pa_cvolume_remap(&o
->destination_source
->reference_volume
, &root_source
->channel_map
, &o
->destination_source
->channel_map
);
1277 o
->destination_source
->real_volume
= root_source
->real_volume
;
1278 pa_cvolume_remap(&o
->destination_source
->real_volume
, &root_source
->channel_map
, &o
->destination_source
->channel_map
);
1280 pa_assert(pa_cvolume_is_norm(&o
->destination_source
->soft_volume
));
1282 /* Notify others about the changed source volume. If you wonder whether
1283 * o->destination_source->set_volume() should be called somewhere, that's not
1284 * the case, because sources that use volume sharing shouldn't have any
1285 * internal volume that set_volume() would update. If you wonder
1286 * whether the thread_info variables should be synced, yes, they
1287 * should, and it's done by the PA_SOURCE_MESSAGE_FINISH_MOVE message
1289 if (!pa_cvolume_equal(&o
->destination_source
->reference_volume
, &old_volume
))
1290 pa_subscription_post(o
->core
, PA_SUBSCRIPTION_EVENT_SOURCE
|PA_SUBSCRIPTION_EVENT_CHANGE
, o
->destination_source
->index
);
1292 /* Recursively update origin source outputs. */
1293 PA_IDXSET_FOREACH(destination_source_output
, o
->destination_source
->outputs
, idx
)
1294 update_volume_due_to_moving(destination_source_output
, dest
);
1297 old_volume
= o
->volume
;
1299 if (pa_source_flat_volume_enabled(o
->source
)) {
1300 /* Ok, so this is a regular stream, and flat volume is enabled. The
1301 * volume will have to be updated as follows:
1303 * o->volume := o->reference_ratio * o->source->reference_volume
1304 * o->reference_ratio stays unchanged
1305 * o->real_ratio := o->volume / o->source->real_volume
1306 * (handled later by pa_source_set_volume)
1307 * o->soft_volume := o->real_ratio * o->volume_factor
1308 * (handled later by pa_source_set_volume) */
1310 o
->volume
= o
->source
->reference_volume
;
1311 pa_cvolume_remap(&o
->volume
, &o
->source
->channel_map
, &o
->channel_map
);
1312 pa_sw_cvolume_multiply(&o
->volume
, &o
->volume
, &o
->reference_ratio
);
1315 /* Ok, so this is a regular stream, and flat volume is disabled.
1316 * The volume will have to be updated as follows:
1318 * o->volume := o->reference_ratio
1319 * o->reference_ratio stays unchanged
1320 * o->real_ratio := o->reference_ratio
1321 * o->soft_volume := o->real_ratio * o->volume_factor */
1323 o
->volume
= o
->reference_ratio
;
1324 o
->real_ratio
= o
->reference_ratio
;
1325 pa_sw_cvolume_multiply(&o
->soft_volume
, &o
->real_ratio
, &o
->volume_factor
);
1328 /* Notify others about the changed source output volume. */
1329 if (!pa_cvolume_equal(&o
->volume
, &old_volume
)) {
1330 /* XXX: In case o->source has flat volume enabled, then real_ratio
1331 * and soft_volume are not updated yet. Let's hope that the
1332 * callback implementation doesn't care about those variables... */
1333 if (o
->volume_changed
)
1334 o
->volume_changed(o
);
1336 pa_subscription_post(o
->core
, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, o
->index
);
1340 /* If o->source == dest, then recursion has finished, and we can finally call
1341 * pa_source_set_volume(), which will do the rest of the updates. */
1342 if ((o
->source
== dest
) && pa_source_flat_volume_enabled(o
->source
))
1343 pa_source_set_volume(o
->source
, NULL
, FALSE
, o
->save_volume
);
1346 /* Called from main context */
1347 int pa_source_output_finish_move(pa_source_output
*o
, pa_source
*dest
, pa_bool_t save
) {
1348 pa_resampler
*new_resampler
;
1350 pa_source_output_assert_ref(o
);
1351 pa_assert_ctl_context();
1352 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
1353 pa_assert(!o
->source
);
1354 pa_source_assert_ref(dest
);
1356 if (!pa_source_output_may_move_to(o
, dest
))
1357 return -PA_ERR_NOTSUPPORTED
;
1359 if (pa_source_output_is_passthrough(o
) && !pa_source_check_format(dest
, o
->format
)) {
1360 pa_proplist
*p
= pa_proplist_new();
1361 pa_log_debug("New source doesn't support stream format, sending format-changed and killing");
1362 /* Tell the client what device we want to be on if it is going to
1364 pa_proplist_sets(p
, "device", dest
->name
);
1365 pa_source_output_send_event(o
, PA_STREAM_EVENT_FORMAT_LOST
, p
);
1366 pa_proplist_free(p
);
1367 return -PA_ERR_NOTSUPPORTED
;
1370 if (o
->thread_info
.resampler
&&
1371 pa_sample_spec_equal(pa_resampler_input_sample_spec(o
->thread_info
.resampler
), &dest
->sample_spec
) &&
1372 pa_channel_map_equal(pa_resampler_input_channel_map(o
->thread_info
.resampler
), &dest
->channel_map
))
1374 /* Try to reuse the old resampler if possible */
1375 new_resampler
= o
->thread_info
.resampler
;
1377 else if ((o
->flags
& PA_SOURCE_OUTPUT_VARIABLE_RATE
) ||
1378 !pa_sample_spec_equal(&o
->sample_spec
, &dest
->sample_spec
) ||
1379 !pa_channel_map_equal(&o
->channel_map
, &dest
->channel_map
)) {
1381 /* Okay, we need a new resampler for the new source */
1383 if (!(new_resampler
= pa_resampler_new(
1385 &dest
->sample_spec
, &dest
->channel_map
,
1386 &o
->sample_spec
, &o
->channel_map
,
1387 o
->requested_resample_method
,
1388 ((o
->flags
& PA_SOURCE_OUTPUT_VARIABLE_RATE
) ? PA_RESAMPLER_VARIABLE_RATE
: 0) |
1389 ((o
->flags
& PA_SOURCE_OUTPUT_NO_REMAP
) ? PA_RESAMPLER_NO_REMAP
: 0) |
1390 (o
->core
->disable_remixing
|| (o
->flags
& PA_SOURCE_OUTPUT_NO_REMIX
) ? PA_RESAMPLER_NO_REMIX
: 0)))) {
1391 pa_log_warn("Unsupported resampling operation.");
1392 return -PA_ERR_NOTSUPPORTED
;
1395 new_resampler
= NULL
;
1401 o
->save_source
= save
;
1402 pa_idxset_put(o
->source
->outputs
, pa_source_output_ref(o
), NULL
);
1404 pa_cvolume_remap(&o
->volume_factor_source
, &o
->channel_map
, &o
->source
->channel_map
);
1406 if (pa_source_output_get_state(o
) == PA_SOURCE_OUTPUT_CORKED
)
1407 o
->source
->n_corked
++;
1409 /* Replace resampler */
1410 if (new_resampler
!= o
->thread_info
.resampler
) {
1412 if (o
->thread_info
.resampler
)
1413 pa_resampler_free(o
->thread_info
.resampler
);
1414 o
->thread_info
.resampler
= new_resampler
;
1416 pa_memblockq_free(o
->thread_info
.delay_memblockq
);
1418 o
->thread_info
.delay_memblockq
= pa_memblockq_new(
1420 MEMBLOCKQ_MAXLENGTH
,
1422 pa_frame_size(&o
->source
->sample_spec
),
1426 &o
->source
->silence
);
1427 o
->actual_resample_method
= new_resampler
? pa_resampler_get_method(new_resampler
) : PA_RESAMPLER_INVALID
;
1430 pa_source_update_status(dest
);
1432 update_volume_due_to_moving(o
, dest
);
1434 pa_assert_se(pa_asyncmsgq_send(o
->source
->asyncmsgq
, PA_MSGOBJECT(o
->source
), PA_SOURCE_MESSAGE_ADD_OUTPUT
, o
, 0, NULL
) == 0);
1436 pa_log_debug("Successfully moved source output %i to %s.", o
->index
, dest
->name
);
1438 /* Notify everyone */
1439 pa_hook_fire(&o
->core
->hooks
[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FINISH
], o
);
1440 pa_subscription_post(o
->core
, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, o
->index
);
1445 /* Called from main context */
1446 void pa_source_output_fail_move(pa_source_output
*o
) {
1448 pa_source_output_assert_ref(o
);
1449 pa_assert_ctl_context();
1450 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
1451 pa_assert(!o
->source
);
1453 /* Check if someone wants this source output? */
1454 if (pa_hook_fire(&o
->core
->hooks
[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FAIL
], o
) == PA_HOOK_STOP
)
1460 pa_source_output_kill(o
);
1463 /* Called from main context */
1464 int pa_source_output_move_to(pa_source_output
*o
, pa_source
*dest
, pa_bool_t save
) {
1467 pa_source_output_assert_ref(o
);
1468 pa_assert_ctl_context();
1469 pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o
->state
));
1470 pa_assert(o
->source
);
1471 pa_source_assert_ref(dest
);
1473 if (dest
== o
->source
)
1476 if (!pa_source_output_may_move_to(o
, dest
))
1477 return -PA_ERR_NOTSUPPORTED
;
1479 pa_source_output_ref(o
);
1481 if ((r
= pa_source_output_start_move(o
)) < 0) {
1482 pa_source_output_unref(o
);
1486 if ((r
= pa_source_output_finish_move(o
, dest
, save
)) < 0) {
1487 pa_source_output_fail_move(o
);
1488 pa_source_output_unref(o
);
1492 pa_source_output_unref(o
);
1497 /* Called from IO thread context */
1498 void pa_source_output_set_state_within_thread(pa_source_output
*o
, pa_source_output_state_t state
) {
1499 pa_source_output_assert_ref(o
);
1500 pa_source_output_assert_io_context(o
);
1502 if (state
== o
->thread_info
.state
)
1505 if (o
->state_change
)
1506 o
->state_change(o
, state
);
1508 o
->thread_info
.state
= state
;
1511 /* Called from IO thread context, except when it is not */
1512 int pa_source_output_process_msg(pa_msgobject
*mo
, int code
, void *userdata
, int64_t offset
, pa_memchunk
* chunk
) {
1513 pa_source_output
*o
= PA_SOURCE_OUTPUT(mo
);
1514 pa_source_output_assert_ref(o
);
1518 case PA_SOURCE_OUTPUT_MESSAGE_GET_LATENCY
: {
1519 pa_usec_t
*r
= userdata
;
1521 r
[0] += pa_bytes_to_usec(pa_memblockq_get_length(o
->thread_info
.delay_memblockq
), &o
->source
->sample_spec
);
1522 r
[1] += pa_source_get_latency_within_thread(o
->source
);
1527 case PA_SOURCE_OUTPUT_MESSAGE_SET_RATE
:
1529 o
->thread_info
.sample_spec
.rate
= PA_PTR_TO_UINT(userdata
);
1530 pa_resampler_set_output_rate(o
->thread_info
.resampler
, PA_PTR_TO_UINT(userdata
));
1533 case PA_SOURCE_OUTPUT_MESSAGE_SET_STATE
:
1535 pa_source_output_set_state_within_thread(o
, PA_PTR_TO_UINT(userdata
));
1539 case PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY
: {
1540 pa_usec_t
*usec
= userdata
;
1542 *usec
= pa_source_output_set_requested_latency_within_thread(o
, *usec
);
1547 case PA_SOURCE_OUTPUT_MESSAGE_GET_REQUESTED_LATENCY
: {
1548 pa_usec_t
*r
= userdata
;
1550 *r
= o
->thread_info
.requested_source_latency
;
1554 case PA_SOURCE_OUTPUT_MESSAGE_SET_SOFT_VOLUME
:
1555 if (!pa_cvolume_equal(&o
->thread_info
.soft_volume
, &o
->soft_volume
)) {
1556 o
->thread_info
.soft_volume
= o
->soft_volume
;
1560 case PA_SOURCE_OUTPUT_MESSAGE_SET_SOFT_MUTE
:
1561 if (o
->thread_info
.muted
!= o
->muted
) {
1562 o
->thread_info
.muted
= o
->muted
;
1567 return -PA_ERR_NOTIMPLEMENTED
;
1570 /* Called from main context */
1571 void pa_source_output_send_event(pa_source_output
*o
, const char *event
, pa_proplist
*data
) {
1572 pa_proplist
*pl
= NULL
;
1573 pa_source_output_send_event_hook_data hook_data
;
1575 pa_source_output_assert_ref(o
);
1576 pa_assert_ctl_context();
1583 data
= pl
= pa_proplist_new();
1585 hook_data
.source_output
= o
;
1586 hook_data
.data
= data
;
1587 hook_data
.event
= event
;
1589 if (pa_hook_fire(&o
->core
->hooks
[PA_CORE_HOOK_SOURCE_OUTPUT_SEND_EVENT
], &hook_data
) < 0)
1592 o
->send_event(o
, event
, data
);
1596 pa_proplist_free(pl
);