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/util.h>
35 #include <pulsecore/sample-util.h>
36 #include <pulsecore/core-subscribe.h>
37 #include <pulsecore/log.h>
38 #include <pulsecore/play-memblockq.h>
39 #include <pulsecore/namereg.h>
40 #include <pulsecore/core-util.h>
42 #include "sink-input.h"
44 #define MEMBLOCKQ_MAXLENGTH (32*1024*1024)
45 #define CONVERT_BUFFER_LENGTH (PA_PAGE_SIZE)
47 static PA_DEFINE_CHECK_TYPE(pa_sink_input
, pa_msgobject
);
49 static void sink_input_free(pa_object
*o
);
51 pa_sink_input_new_data
* pa_sink_input_new_data_init(pa_sink_input_new_data
*data
) {
54 memset(data
, 0, sizeof(*data
));
55 data
->resample_method
= PA_RESAMPLER_INVALID
;
56 data
->proplist
= pa_proplist_new();
61 void pa_sink_input_new_data_set_sample_spec(pa_sink_input_new_data
*data
, const pa_sample_spec
*spec
) {
64 if ((data
->sample_spec_is_set
= !!spec
))
65 data
->sample_spec
= *spec
;
68 void pa_sink_input_new_data_set_channel_map(pa_sink_input_new_data
*data
, const pa_channel_map
*map
) {
71 if ((data
->channel_map_is_set
= !!map
))
72 data
->channel_map
= *map
;
75 void pa_sink_input_new_data_set_volume(pa_sink_input_new_data
*data
, const pa_cvolume
*volume
) {
78 if ((data
->volume_is_set
= !!volume
))
79 data
->volume
= *volume
;
82 void pa_sink_input_new_data_apply_volume_factor(pa_sink_input_new_data
*data
, const pa_cvolume
*volume_factor
) {
84 pa_assert(volume_factor
);
86 if (data
->volume_factor_is_set
)
87 pa_sw_cvolume_multiply(&data
->volume_factor
, &data
->volume_factor
, volume_factor
);
89 data
->volume_factor_is_set
= TRUE
;
90 data
->volume_factor
= *volume_factor
;
94 void pa_sink_input_new_data_set_muted(pa_sink_input_new_data
*data
, pa_bool_t mute
) {
97 data
->muted_is_set
= TRUE
;
101 void pa_sink_input_new_data_done(pa_sink_input_new_data
*data
) {
104 pa_proplist_free(data
->proplist
);
107 /* Called from main context */
108 static void reset_callbacks(pa_sink_input
*i
) {
112 i
->process_rewind
= NULL
;
113 i
->update_max_rewind
= NULL
;
114 i
->update_max_request
= NULL
;
115 i
->update_sink_requested_latency
= NULL
;
116 i
->update_sink_latency_range
= NULL
;
122 i
->get_latency
= NULL
;
123 i
->state_change
= NULL
;
124 i
->may_move_to
= NULL
;
125 i
->send_event
= NULL
;
128 /* Called from main context */
129 int pa_sink_input_new(
132 pa_sink_input_new_data
*data
,
133 pa_sink_input_flags_t flags
) {
136 pa_resampler
*resampler
= NULL
;
137 char st
[PA_SAMPLE_SPEC_SNPRINT_MAX
], cm
[PA_CHANNEL_MAP_SNPRINT_MAX
];
138 pa_channel_map original_cm
;
146 pa_proplist_update(data
->proplist
, PA_UPDATE_MERGE
, data
->client
->proplist
);
148 if ((r
= pa_hook_fire(&core
->hooks
[PA_CORE_HOOK_SINK_INPUT_NEW
], data
)) < 0)
151 pa_return_val_if_fail(!data
->driver
|| pa_utf8_valid(data
->driver
), -PA_ERR_INVALID
);
154 data
->sink
= pa_namereg_get(core
, NULL
, PA_NAMEREG_SINK
);
155 data
->save_sink
= FALSE
;
158 pa_return_val_if_fail(data
->sink
, -PA_ERR_NOENTITY
);
159 pa_return_val_if_fail(PA_SINK_IS_LINKED(pa_sink_get_state(data
->sink
)), -PA_ERR_BADSTATE
);
160 pa_return_val_if_fail(!data
->sync_base
|| (data
->sync_base
->sink
== data
->sink
&& pa_sink_input_get_state(data
->sync_base
) == PA_SINK_INPUT_CORKED
), -PA_ERR_INVALID
);
161 pa_return_val_if_fail(!(flags
& PA_SINK_INPUT_FAIL_ON_SUSPEND
) || pa_sink_get_state(data
->sink
) != PA_SINK_SUSPENDED
, -PA_ERR_BADSTATE
);
163 if (!data
->sample_spec_is_set
)
164 data
->sample_spec
= data
->sink
->sample_spec
;
166 pa_return_val_if_fail(pa_sample_spec_valid(&data
->sample_spec
), -PA_ERR_INVALID
);
168 if (!data
->channel_map_is_set
) {
169 if (pa_channel_map_compatible(&data
->sink
->channel_map
, &data
->sample_spec
))
170 data
->channel_map
= data
->sink
->channel_map
;
172 pa_channel_map_init_extend(&data
->channel_map
, data
->sample_spec
.channels
, PA_CHANNEL_MAP_DEFAULT
);
175 pa_return_val_if_fail(pa_channel_map_valid(&data
->channel_map
), -PA_ERR_INVALID
);
176 pa_return_val_if_fail(pa_channel_map_compatible(&data
->channel_map
, &data
->sample_spec
), -PA_ERR_INVALID
);
178 if (!data
->volume_is_set
) {
180 if (data
->sink
->flags
& PA_SINK_FLAT_VOLUME
) {
181 data
->volume
= *pa_sink_get_volume(data
->sink
, FALSE
);
182 pa_cvolume_remap(&data
->volume
, &data
->sink
->channel_map
, &data
->channel_map
);
183 data
->volume_is_absolute
= TRUE
;
185 pa_cvolume_reset(&data
->volume
, data
->sample_spec
.channels
);
186 data
->volume_is_absolute
= FALSE
;
189 data
->save_volume
= FALSE
;
192 pa_return_val_if_fail(pa_cvolume_valid(&data
->volume
), -PA_ERR_INVALID
);
193 pa_return_val_if_fail(pa_cvolume_compatible(&data
->volume
, &data
->sample_spec
), -PA_ERR_INVALID
);
195 if (!data
->volume_factor_is_set
)
196 pa_cvolume_reset(&data
->volume_factor
, data
->sample_spec
.channels
);
198 pa_return_val_if_fail(pa_cvolume_valid(&data
->volume_factor
), -PA_ERR_INVALID
);
199 pa_return_val_if_fail(pa_cvolume_compatible(&data
->volume_factor
, &data
->sample_spec
), -PA_ERR_INVALID
);
201 if (!data
->muted_is_set
)
204 if (flags
& PA_SINK_INPUT_FIX_FORMAT
)
205 data
->sample_spec
.format
= data
->sink
->sample_spec
.format
;
207 if (flags
& PA_SINK_INPUT_FIX_RATE
)
208 data
->sample_spec
.rate
= data
->sink
->sample_spec
.rate
;
210 original_cm
= data
->channel_map
;
212 if (flags
& PA_SINK_INPUT_FIX_CHANNELS
) {
213 data
->sample_spec
.channels
= data
->sink
->sample_spec
.channels
;
214 data
->channel_map
= data
->sink
->channel_map
;
217 pa_assert(pa_sample_spec_valid(&data
->sample_spec
));
218 pa_assert(pa_channel_map_valid(&data
->channel_map
));
220 /* Due to the fixing of the sample spec the volume might not match anymore */
221 pa_cvolume_remap(&data
->volume
, &original_cm
, &data
->channel_map
);
223 if (data
->resample_method
== PA_RESAMPLER_INVALID
)
224 data
->resample_method
= core
->resample_method
;
226 pa_return_val_if_fail(data
->resample_method
< PA_RESAMPLER_MAX
, -PA_ERR_INVALID
);
228 if ((r
= pa_hook_fire(&core
->hooks
[PA_CORE_HOOK_SINK_INPUT_FIXATE
], data
)) < 0)
231 if (pa_idxset_size(data
->sink
->inputs
) >= PA_MAX_INPUTS_PER_SINK
) {
232 pa_log_warn("Failed to create sink input: too many inputs per sink.");
233 return -PA_ERR_TOOLARGE
;
236 if ((flags
& PA_SINK_INPUT_VARIABLE_RATE
) ||
237 !pa_sample_spec_equal(&data
->sample_spec
, &data
->sink
->sample_spec
) ||
238 !pa_channel_map_equal(&data
->channel_map
, &data
->sink
->channel_map
)) {
240 if (!(resampler
= pa_resampler_new(
242 &data
->sample_spec
, &data
->channel_map
,
243 &data
->sink
->sample_spec
, &data
->sink
->channel_map
,
244 data
->resample_method
,
245 ((flags
& PA_SINK_INPUT_VARIABLE_RATE
) ? PA_RESAMPLER_VARIABLE_RATE
: 0) |
246 ((flags
& PA_SINK_INPUT_NO_REMAP
) ? PA_RESAMPLER_NO_REMAP
: 0) |
247 (core
->disable_remixing
|| (flags
& PA_SINK_INPUT_NO_REMIX
) ? PA_RESAMPLER_NO_REMIX
: 0) |
248 (core
->disable_lfe_remixing
? PA_RESAMPLER_NO_LFE
: 0)))) {
249 pa_log_warn("Unsupported resampling operation.");
250 return -PA_ERR_NOTSUPPORTED
;
254 i
= pa_msgobject_new(pa_sink_input
);
255 i
->parent
.parent
.free
= sink_input_free
;
256 i
->parent
.process_msg
= pa_sink_input_process_msg
;
259 i
->state
= PA_SINK_INPUT_INIT
;
261 i
->proplist
= pa_proplist_copy(data
->proplist
);
262 i
->driver
= pa_xstrdup(pa_path_get_filename(data
->driver
));
263 i
->module
= data
->module
;
264 i
->sink
= data
->sink
;
265 i
->client
= data
->client
;
267 i
->requested_resample_method
= data
->resample_method
;
268 i
->actual_resample_method
= resampler
? pa_resampler_get_method(resampler
) : PA_RESAMPLER_INVALID
;
269 i
->sample_spec
= data
->sample_spec
;
270 i
->channel_map
= data
->channel_map
;
272 if ((i
->sink
->flags
& PA_SINK_FLAT_VOLUME
) && !data
->volume_is_absolute
) {
273 /* When the 'absolute' bool is not set then we'll treat the volume
274 * as relative to the sink volume even in flat volume mode */
276 pa_cvolume t
= *pa_sink_get_volume(data
->sink
, FALSE
);
277 pa_cvolume_remap(&t
, &data
->sink
->channel_map
, &data
->channel_map
);
279 pa_sw_cvolume_multiply(&i
->virtual_volume
, &data
->volume
, &t
);
281 i
->virtual_volume
= data
->volume
;
283 i
->volume_factor
= data
->volume_factor
;
284 pa_cvolume_init(&i
->soft_volume
);
285 i
->save_volume
= data
->save_volume
;
286 i
->save_sink
= data
->save_sink
;
287 i
->save_muted
= data
->save_muted
;
289 i
->muted
= data
->muted
;
291 if (data
->sync_base
) {
292 i
->sync_next
= data
->sync_base
->sync_next
;
293 i
->sync_prev
= data
->sync_base
;
295 if (data
->sync_base
->sync_next
)
296 data
->sync_base
->sync_next
->sync_prev
= i
;
297 data
->sync_base
->sync_next
= i
;
299 i
->sync_next
= i
->sync_prev
= NULL
;
301 i
->direct_outputs
= pa_idxset_new(NULL
, NULL
);
306 i
->thread_info
.state
= i
->state
;
307 i
->thread_info
.attached
= FALSE
;
308 pa_atomic_store(&i
->thread_info
.drained
, 1);
309 i
->thread_info
.sample_spec
= i
->sample_spec
;
310 i
->thread_info
.resampler
= resampler
;
311 i
->thread_info
.soft_volume
= i
->soft_volume
;
312 i
->thread_info
.muted
= i
->muted
;
313 i
->thread_info
.requested_sink_latency
= (pa_usec_t
) -1;
314 i
->thread_info
.rewrite_nbytes
= 0;
315 i
->thread_info
.rewrite_flush
= FALSE
;
316 i
->thread_info
.dont_rewind_render
= FALSE
;
317 i
->thread_info
.underrun_for
= (uint64_t) -1;
318 i
->thread_info
.playing_for
= 0;
319 i
->thread_info
.direct_outputs
= pa_hashmap_new(pa_idxset_trivial_hash_func
, pa_idxset_trivial_compare_func
);
321 i
->thread_info
.render_memblockq
= pa_memblockq_new(
325 pa_frame_size(&i
->sink
->sample_spec
),
331 pa_assert_se(pa_idxset_put(core
->sink_inputs
, pa_sink_input_ref(i
), &i
->index
) == 0);
332 pa_assert_se(pa_idxset_put(i
->sink
->inputs
, i
, NULL
) == 0);
335 pa_assert_se(pa_idxset_put(i
->client
->sink_inputs
, i
, NULL
) >= 0);
337 pa_log_info("Created input %u \"%s\" on %s with sample spec %s and channel map %s",
339 pa_strnull(pa_proplist_gets(i
->proplist
, PA_PROP_MEDIA_NAME
)),
341 pa_sample_spec_snprint(st
, sizeof(st
), &i
->sample_spec
),
342 pa_channel_map_snprint(cm
, sizeof(cm
), &i
->channel_map
));
344 /* Don't forget to call pa_sink_input_put! */
350 /* Called from main context */
351 static void update_n_corked(pa_sink_input
*i
, pa_sink_input_state_t state
) {
357 if (i
->state
== PA_SINK_INPUT_CORKED
&& state
!= PA_SINK_INPUT_CORKED
)
358 pa_assert_se(i
->sink
->n_corked
-- >= 1);
359 else if (i
->state
!= PA_SINK_INPUT_CORKED
&& state
== PA_SINK_INPUT_CORKED
)
363 /* Called from main context */
364 static void sink_input_set_state(pa_sink_input
*i
, pa_sink_input_state_t state
) {
365 pa_sink_input
*ssync
;
368 if (state
== PA_SINK_INPUT_DRAINED
)
369 state
= PA_SINK_INPUT_RUNNING
;
371 if (i
->state
== state
)
374 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
), PA_SINK_INPUT_MESSAGE_SET_STATE
, PA_UINT_TO_PTR(state
), 0, NULL
) == 0);
376 update_n_corked(i
, state
);
379 for (ssync
= i
->sync_prev
; ssync
; ssync
= ssync
->sync_prev
) {
380 update_n_corked(ssync
, state
);
381 ssync
->state
= state
;
383 for (ssync
= i
->sync_next
; ssync
; ssync
= ssync
->sync_next
) {
384 update_n_corked(ssync
, state
);
385 ssync
->state
= state
;
388 if (state
!= PA_SINK_INPUT_UNLINKED
) {
389 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED
], i
);
391 for (ssync
= i
->sync_prev
; ssync
; ssync
= ssync
->sync_prev
)
392 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED
], ssync
);
394 for (ssync
= i
->sync_next
; ssync
; ssync
= ssync
->sync_next
)
395 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED
], ssync
);
398 pa_sink_update_status(i
->sink
);
401 /* Called from main context */
402 void pa_sink_input_unlink(pa_sink_input
*i
) {
404 pa_source_output
*o
, *p
= NULL
;
407 /* See pa_sink_unlink() for a couple of comments how this function
410 pa_sink_input_ref(i
);
412 linked
= PA_SINK_INPUT_IS_LINKED(i
->state
);
415 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_UNLINK
], i
);
418 i
->sync_prev
->sync_next
= i
->sync_next
;
420 i
->sync_next
->sync_prev
= i
->sync_prev
;
422 i
->sync_prev
= i
->sync_next
= NULL
;
424 pa_idxset_remove_by_data(i
->core
->sink_inputs
, i
, NULL
);
427 if (pa_idxset_remove_by_data(i
->sink
->inputs
, i
, NULL
))
428 pa_sink_input_unref(i
);
431 pa_idxset_remove_by_data(i
->client
->sink_inputs
, i
, NULL
);
433 while ((o
= pa_idxset_first(i
->direct_outputs
, NULL
))) {
435 pa_source_output_kill(o
);
439 update_n_corked(i
, PA_SINK_INPUT_UNLINKED
);
440 i
->state
= PA_SINK_INPUT_UNLINKED
;
442 if (linked
&& i
->sink
) {
443 /* We might need to update the sink's volume if we are in flat volume mode. */
444 if (i
->sink
->flags
& PA_SINK_FLAT_VOLUME
) {
445 pa_cvolume new_volume
;
446 pa_sink_update_flat_volume(i
->sink
, &new_volume
);
447 pa_sink_set_volume(i
->sink
, &new_volume
, FALSE
, FALSE
);
450 if (i
->sink
->asyncmsgq
)
451 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
->sink
), PA_SINK_MESSAGE_REMOVE_INPUT
, i
, 0, NULL
) == 0);
457 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_REMOVE
, i
->index
);
458 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_UNLINK_POST
], i
);
462 pa_sink_update_status(i
->sink
);
466 pa_sink_input_unref(i
);
469 /* Called from main context */
470 static void sink_input_free(pa_object
*o
) {
471 pa_sink_input
* i
= PA_SINK_INPUT(o
);
474 pa_assert(pa_sink_input_refcnt(i
) == 0);
476 if (PA_SINK_INPUT_IS_LINKED(i
->state
))
477 pa_sink_input_unlink(i
);
479 pa_log_info("Freeing input %u \"%s\"", i
->index
, pa_strnull(pa_proplist_gets(i
->proplist
, PA_PROP_MEDIA_NAME
)));
481 pa_assert(!i
->thread_info
.attached
);
483 if (i
->thread_info
.render_memblockq
)
484 pa_memblockq_free(i
->thread_info
.render_memblockq
);
486 if (i
->thread_info
.resampler
)
487 pa_resampler_free(i
->thread_info
.resampler
);
490 pa_proplist_free(i
->proplist
);
492 if (i
->direct_outputs
)
493 pa_idxset_free(i
->direct_outputs
, NULL
, NULL
);
495 if (i
->thread_info
.direct_outputs
)
496 pa_hashmap_free(i
->thread_info
.direct_outputs
, NULL
, NULL
);
502 /* Called from main context */
503 void pa_sink_input_put(pa_sink_input
*i
) {
504 pa_sink_input_state_t state
;
505 pa_sink_input_assert_ref(i
);
507 pa_assert(i
->state
== PA_SINK_INPUT_INIT
);
509 /* The following fields must be initialized properly */
511 pa_assert(i
->process_rewind
);
514 state
= i
->flags
& PA_SINK_INPUT_START_CORKED
? PA_SINK_INPUT_CORKED
: PA_SINK_INPUT_RUNNING
;
516 update_n_corked(i
, state
);
519 /* We might need to update the sink's volume if we are in flat volume mode. */
520 if (i
->sink
->flags
& PA_SINK_FLAT_VOLUME
) {
521 pa_cvolume new_volume
;
522 pa_sink_update_flat_volume(i
->sink
, &new_volume
);
523 pa_sink_set_volume(i
->sink
, &new_volume
, FALSE
, FALSE
);
525 pa_sw_cvolume_multiply(&i
->soft_volume
, &i
->virtual_volume
, &i
->volume_factor
);
527 i
->thread_info
.soft_volume
= i
->soft_volume
;
528 i
->thread_info
.muted
= i
->muted
;
530 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
->sink
), PA_SINK_MESSAGE_ADD_INPUT
, i
, 0, NULL
) == 0);
532 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_NEW
, i
->index
);
533 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_PUT
], i
);
535 pa_sink_update_status(i
->sink
);
538 /* Called from main context */
539 void pa_sink_input_kill(pa_sink_input
*i
) {
540 pa_sink_input_assert_ref(i
);
541 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
546 /* Called from main context */
547 pa_usec_t
pa_sink_input_get_latency(pa_sink_input
*i
, pa_usec_t
*sink_latency
) {
548 pa_usec_t r
[2] = { 0, 0 };
550 pa_sink_input_assert_ref(i
);
551 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
553 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
), PA_SINK_INPUT_MESSAGE_GET_LATENCY
, r
, 0, NULL
) == 0);
556 r
[0] += i
->get_latency(i
);
559 *sink_latency
= r
[1];
564 /* Called from thread context */
565 void pa_sink_input_peek(pa_sink_input
*i
, size_t slength
/* in sink frames */, pa_memchunk
*chunk
, pa_cvolume
*volume
) {
566 pa_bool_t do_volume_adj_here
;
567 pa_bool_t volume_is_norm
;
568 size_t block_size_max_sink
, block_size_max_sink_input
;
571 pa_sink_input_assert_ref(i
);
572 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->thread_info
.state
));
573 pa_assert(pa_frame_aligned(slength
, &i
->sink
->sample_spec
));
577 /* pa_log_debug("peek"); */
579 pa_assert(i
->thread_info
.state
== PA_SINK_INPUT_RUNNING
||
580 i
->thread_info
.state
== PA_SINK_INPUT_CORKED
||
581 i
->thread_info
.state
== PA_SINK_INPUT_DRAINED
);
583 block_size_max_sink_input
= i
->thread_info
.resampler
?
584 pa_resampler_max_block_size(i
->thread_info
.resampler
) :
585 pa_frame_align(pa_mempool_block_size_max(i
->core
->mempool
), &i
->sample_spec
);
587 block_size_max_sink
= pa_frame_align(pa_mempool_block_size_max(i
->core
->mempool
), &i
->sink
->sample_spec
);
589 /* Default buffer size */
591 slength
= pa_frame_align(CONVERT_BUFFER_LENGTH
, &i
->sink
->sample_spec
);
593 if (slength
> block_size_max_sink
)
594 slength
= block_size_max_sink
;
596 if (i
->thread_info
.resampler
) {
597 ilength
= pa_resampler_request(i
->thread_info
.resampler
, slength
);
600 ilength
= pa_frame_align(CONVERT_BUFFER_LENGTH
, &i
->sample_spec
);
604 if (ilength
> block_size_max_sink_input
)
605 ilength
= block_size_max_sink_input
;
607 /* If the channel maps of the sink and this stream differ, we need
608 * to adjust the volume *before* we resample. Otherwise we can do
609 * it after and leave it for the sink code */
611 do_volume_adj_here
= !pa_channel_map_equal(&i
->channel_map
, &i
->sink
->channel_map
);
612 volume_is_norm
= pa_cvolume_is_norm(&i
->thread_info
.soft_volume
) && !i
->thread_info
.muted
;
614 while (!pa_memblockq_is_readable(i
->thread_info
.render_memblockq
)) {
617 /* There's nothing in our render queue. We need to fill it up
618 * with data from the implementor. */
620 if (i
->thread_info
.state
== PA_SINK_INPUT_CORKED
||
621 i
->pop(i
, ilength
, &tchunk
) < 0) {
623 /* OK, we're corked or the implementor didn't give us any
624 * data, so let's just hand out silence */
625 pa_atomic_store(&i
->thread_info
.drained
, 1);
627 pa_memblockq_seek(i
->thread_info
.render_memblockq
, (int64_t) slength
, PA_SEEK_RELATIVE
);
628 i
->thread_info
.playing_for
= 0;
629 if (i
->thread_info
.underrun_for
!= (uint64_t) -1)
630 i
->thread_info
.underrun_for
+= ilength
;
634 pa_atomic_store(&i
->thread_info
.drained
, 0);
636 pa_assert(tchunk
.length
> 0);
637 pa_assert(tchunk
.memblock
);
639 i
->thread_info
.underrun_for
= 0;
640 i
->thread_info
.playing_for
+= tchunk
.length
;
642 while (tchunk
.length
> 0) {
646 pa_memblock_ref(wchunk
.memblock
);
648 if (wchunk
.length
> block_size_max_sink_input
)
649 wchunk
.length
= block_size_max_sink_input
;
651 /* It might be necessary to adjust the volume here */
652 if (do_volume_adj_here
&& !volume_is_norm
) {
653 pa_memchunk_make_writable(&wchunk
, 0);
655 if (i
->thread_info
.muted
)
656 pa_silence_memchunk(&wchunk
, &i
->thread_info
.sample_spec
);
658 pa_volume_memchunk(&wchunk
, &i
->thread_info
.sample_spec
, &i
->thread_info
.soft_volume
);
661 if (!i
->thread_info
.resampler
)
662 pa_memblockq_push_align(i
->thread_info
.render_memblockq
, &wchunk
);
665 pa_resampler_run(i
->thread_info
.resampler
, &wchunk
, &rchunk
);
667 /* pa_log_debug("pushing %lu", (unsigned long) rchunk.length); */
669 if (rchunk
.memblock
) {
670 pa_memblockq_push_align(i
->thread_info
.render_memblockq
, &rchunk
);
671 pa_memblock_unref(rchunk
.memblock
);
675 pa_memblock_unref(wchunk
.memblock
);
677 tchunk
.index
+= wchunk
.length
;
678 tchunk
.length
-= wchunk
.length
;
681 pa_memblock_unref(tchunk
.memblock
);
684 pa_assert_se(pa_memblockq_peek(i
->thread_info
.render_memblockq
, chunk
) >= 0);
686 pa_assert(chunk
->length
> 0);
687 pa_assert(chunk
->memblock
);
689 /* pa_log_debug("peeking %lu", (unsigned long) chunk->length); */
691 if (chunk
->length
> block_size_max_sink
)
692 chunk
->length
= block_size_max_sink
;
694 /* Let's see if we had to apply the volume adjustment ourselves,
695 * or if this can be done by the sink for us */
697 if (do_volume_adj_here
)
698 /* We had different channel maps, so we already did the adjustment */
699 pa_cvolume_reset(volume
, i
->sink
->sample_spec
.channels
);
700 else if (i
->thread_info
.muted
)
701 /* We've both the same channel map, so let's have the sink do the adjustment for us*/
702 pa_cvolume_mute(volume
, i
->sink
->sample_spec
.channels
);
704 *volume
= i
->thread_info
.soft_volume
;
707 /* Called from thread context */
708 void pa_sink_input_drop(pa_sink_input
*i
, size_t nbytes
/* in sink sample spec */) {
709 pa_sink_input_assert_ref(i
);
711 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->thread_info
.state
));
712 pa_assert(pa_frame_aligned(nbytes
, &i
->sink
->sample_spec
));
713 pa_assert(nbytes
> 0);
715 /* pa_log_debug("dropping %lu", (unsigned long) nbytes); */
717 pa_memblockq_drop(i
->thread_info
.render_memblockq
, nbytes
);
720 /* Called from thread context */
721 void pa_sink_input_process_rewind(pa_sink_input
*i
, size_t nbytes
/* in sink sample spec */) {
723 pa_bool_t called
= FALSE
;
724 pa_sink_input_assert_ref(i
);
726 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->thread_info
.state
));
727 pa_assert(pa_frame_aligned(nbytes
, &i
->sink
->sample_spec
));
729 /* pa_log_debug("rewind(%lu, %lu)", (unsigned long) nbytes, (unsigned long) i->thread_info.rewrite_nbytes); */
731 lbq
= pa_memblockq_get_length(i
->thread_info
.render_memblockq
);
733 if (nbytes
> 0 && !i
->thread_info
.dont_rewind_render
) {
734 pa_log_debug("Have to rewind %lu bytes on render memblockq.", (unsigned long) nbytes
);
735 pa_memblockq_rewind(i
->thread_info
.render_memblockq
, nbytes
);
738 if (i
->thread_info
.rewrite_nbytes
== (size_t) -1) {
740 /* We were asked to drop all buffered data, and rerequest new
741 * data from implementor the next time push() is called */
743 pa_memblockq_flush_write(i
->thread_info
.render_memblockq
);
745 } else if (i
->thread_info
.rewrite_nbytes
> 0) {
746 size_t max_rewrite
, amount
;
748 /* Calculate how much make sense to rewrite at most */
749 max_rewrite
= nbytes
+ lbq
;
751 /* Transform into local domain */
752 if (i
->thread_info
.resampler
)
753 max_rewrite
= pa_resampler_request(i
->thread_info
.resampler
, max_rewrite
);
755 /* Calculate how much of the rewinded data should actually be rewritten */
756 amount
= PA_MIN(i
->thread_info
.rewrite_nbytes
, max_rewrite
);
759 pa_log_debug("Have to rewind %lu bytes on implementor.", (unsigned long) amount
);
761 /* Tell the implementor */
762 if (i
->process_rewind
)
763 i
->process_rewind(i
, amount
);
766 /* Convert back to to sink domain */
767 if (i
->thread_info
.resampler
)
768 amount
= pa_resampler_result(i
->thread_info
.resampler
, amount
);
771 /* Ok, now update the write pointer */
772 pa_memblockq_seek(i
->thread_info
.render_memblockq
, - ((int64_t) amount
), PA_SEEK_RELATIVE
);
774 if (i
->thread_info
.rewrite_flush
)
775 pa_memblockq_silence(i
->thread_info
.render_memblockq
);
777 /* And reset the resampler */
778 if (i
->thread_info
.resampler
)
779 pa_resampler_reset(i
->thread_info
.resampler
);
784 if (i
->process_rewind
)
785 i
->process_rewind(i
, 0);
787 i
->thread_info
.rewrite_nbytes
= 0;
788 i
->thread_info
.rewrite_flush
= FALSE
;
789 i
->thread_info
.dont_rewind_render
= FALSE
;
792 /* Called from thread context */
793 void pa_sink_input_update_max_rewind(pa_sink_input
*i
, size_t nbytes
/* in the sink's sample spec */) {
794 pa_sink_input_assert_ref(i
);
795 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->thread_info
.state
));
796 pa_assert(pa_frame_aligned(nbytes
, &i
->sink
->sample_spec
));
798 pa_memblockq_set_maxrewind(i
->thread_info
.render_memblockq
, nbytes
);
800 if (i
->update_max_rewind
)
801 i
->update_max_rewind(i
, i
->thread_info
.resampler
? pa_resampler_request(i
->thread_info
.resampler
, nbytes
) : nbytes
);
804 /* Called from thread context */
805 void pa_sink_input_update_max_request(pa_sink_input
*i
, size_t nbytes
/* in the sink's sample spec */) {
806 pa_sink_input_assert_ref(i
);
807 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->thread_info
.state
));
808 pa_assert(pa_frame_aligned(nbytes
, &i
->sink
->sample_spec
));
810 if (i
->update_max_request
)
811 i
->update_max_request(i
, i
->thread_info
.resampler
? pa_resampler_request(i
->thread_info
.resampler
, nbytes
) : nbytes
);
814 /* Called from thread context */
815 static pa_usec_t
fixup_latency(pa_sink
*s
, pa_usec_t usec
) {
816 pa_sink_assert_ref(s
);
818 if (usec
== (pa_usec_t
) -1)
821 if (s
->thread_info
.max_latency
> 0 && usec
> s
->thread_info
.max_latency
)
822 usec
= s
->thread_info
.max_latency
;
824 if (s
->thread_info
.min_latency
> 0 && usec
< s
->thread_info
.min_latency
)
825 usec
= s
->thread_info
.min_latency
;
830 /* Called from thread context */
831 pa_usec_t
pa_sink_input_set_requested_latency_within_thread(pa_sink_input
*i
, pa_usec_t usec
) {
832 pa_sink_input_assert_ref(i
);
834 usec
= fixup_latency(i
->sink
, usec
);
835 i
->thread_info
.requested_sink_latency
= usec
;
836 pa_sink_invalidate_requested_latency(i
->sink
);
841 /* Called from main context */
842 pa_usec_t
pa_sink_input_set_requested_latency(pa_sink_input
*i
, pa_usec_t usec
) {
843 pa_sink_input_assert_ref(i
);
845 if (PA_SINK_INPUT_IS_LINKED(i
->state
))
846 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
), PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY
, &usec
, 0, NULL
) == 0);
848 /* If this sink input is not realized yet, we have to touch
849 * the thread info data directly */
851 i
->thread_info
.requested_sink_latency
= usec
;
856 /* Called from main context */
857 pa_usec_t
pa_sink_input_get_requested_latency(pa_sink_input
*i
) {
860 pa_sink_input_assert_ref(i
);
862 if (PA_SINK_INPUT_IS_LINKED(i
->state
))
863 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
), PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY
, &usec
, 0, NULL
) == 0);
865 /* If this sink input is not realized yet, we have to touch
866 * the thread info data directly */
867 usec
= i
->thread_info
.requested_sink_latency
;
872 /* Called from main context */
873 void pa_sink_input_set_volume(pa_sink_input
*i
, const pa_cvolume
*volume
, pa_bool_t save
) {
874 pa_sink_input_assert_ref(i
);
875 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
877 pa_assert(pa_cvolume_valid(volume
));
878 pa_assert(pa_cvolume_compatible(volume
, &i
->sample_spec
));
880 if (pa_cvolume_equal(volume
, &i
->virtual_volume
))
883 i
->virtual_volume
= *volume
;
884 i
->save_volume
= save
;
886 if (i
->sink
->flags
& PA_SINK_FLAT_VOLUME
) {
887 pa_cvolume new_volume
;
889 /* We are in flat volume mode, so let's update all sink input
890 * volumes and update the flat volume of the sink */
892 pa_sink_update_flat_volume(i
->sink
, &new_volume
);
893 pa_sink_set_volume(i
->sink
, &new_volume
, FALSE
, TRUE
);
897 /* OK, we are in normal volume mode. The volume only affects
899 pa_sw_cvolume_multiply(&i
->soft_volume
, volume
, &i
->volume_factor
);
901 /* Hooks have the ability to play games with i->soft_volume */
902 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_SET_VOLUME
], i
);
904 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
), PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME
, NULL
, 0, NULL
) == 0);
907 /* The virtual volume changed, let's tell people so */
908 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
911 /* Called from main context */
912 const pa_cvolume
*pa_sink_input_get_volume(pa_sink_input
*i
) {
913 pa_sink_input_assert_ref(i
);
914 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
916 return &i
->virtual_volume
;
919 /* Called from main context */
920 void pa_sink_input_set_mute(pa_sink_input
*i
, pa_bool_t mute
, pa_bool_t save
) {
922 pa_sink_input_assert_ref(i
);
923 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
925 if (!i
->muted
== !mute
)
929 i
->save_muted
= save
;
931 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
), PA_SINK_INPUT_MESSAGE_SET_SOFT_MUTE
, NULL
, 0, NULL
) == 0);
932 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
935 /* Called from main context */
936 pa_bool_t
pa_sink_input_get_mute(pa_sink_input
*i
) {
937 pa_sink_input_assert_ref(i
);
938 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
943 /* Called from main thread */
944 void pa_sink_input_update_proplist(pa_sink_input
*i
, pa_update_mode_t mode
, pa_proplist
*p
) {
945 pa_sink_input_assert_ref(i
);
948 pa_proplist_update(i
->proplist
, mode
, p
);
950 if (PA_SINK_IS_LINKED(i
->state
)) {
951 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_PROPLIST_CHANGED
], i
);
952 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
956 /* Called from main context */
957 void pa_sink_input_cork(pa_sink_input
*i
, pa_bool_t b
) {
958 pa_sink_input_assert_ref(i
);
959 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
961 sink_input_set_state(i
, b
? PA_SINK_INPUT_CORKED
: PA_SINK_INPUT_RUNNING
);
964 /* Called from main context */
965 int pa_sink_input_set_rate(pa_sink_input
*i
, uint32_t rate
) {
966 pa_sink_input_assert_ref(i
);
967 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
968 pa_return_val_if_fail(i
->thread_info
.resampler
, -PA_ERR_BADSTATE
);
970 if (i
->sample_spec
.rate
== rate
)
973 i
->sample_spec
.rate
= rate
;
975 pa_asyncmsgq_post(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
), PA_SINK_INPUT_MESSAGE_SET_RATE
, PA_UINT_TO_PTR(rate
), 0, NULL
, NULL
);
977 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
981 /* Called from main context */
982 void pa_sink_input_set_name(pa_sink_input
*i
, const char *name
) {
984 pa_sink_input_assert_ref(i
);
986 if (!name
&& !pa_proplist_contains(i
->proplist
, PA_PROP_MEDIA_NAME
))
989 old
= pa_proplist_gets(i
->proplist
, PA_PROP_MEDIA_NAME
);
991 if (old
&& name
&& !strcmp(old
, name
))
995 pa_proplist_sets(i
->proplist
, PA_PROP_MEDIA_NAME
, name
);
997 pa_proplist_unset(i
->proplist
, PA_PROP_MEDIA_NAME
);
999 if (PA_SINK_INPUT_IS_LINKED(i
->state
)) {
1000 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_PROPLIST_CHANGED
], i
);
1001 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
1005 /* Called from main context */
1006 pa_resample_method_t
pa_sink_input_get_resample_method(pa_sink_input
*i
) {
1007 pa_sink_input_assert_ref(i
);
1009 return i
->actual_resample_method
;
1012 /* Called from main context */
1013 pa_bool_t
pa_sink_input_may_move(pa_sink_input
*i
) {
1014 pa_sink_input_assert_ref(i
);
1015 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
1017 if (i
->flags
& PA_SINK_INPUT_DONT_MOVE
)
1020 if (i
->sync_next
|| i
->sync_prev
) {
1021 pa_log_warn("Moving synchronised streams not supported.");
1028 /* Called from main context */
1029 pa_bool_t
pa_sink_input_may_move_to(pa_sink_input
*i
, pa_sink
*dest
) {
1030 pa_sink_input_assert_ref(i
);
1031 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
1032 pa_sink_assert_ref(dest
);
1034 if (dest
== i
->sink
)
1037 if (!pa_sink_input_may_move(i
))
1040 if (pa_idxset_size(dest
->inputs
) >= PA_MAX_INPUTS_PER_SINK
) {
1041 pa_log_warn("Failed to move sink input: too many inputs per sink.");
1046 if (!i
->may_move_to(i
, dest
))
1052 /* Called from main context */
1053 int pa_sink_input_start_move(pa_sink_input
*i
) {
1054 pa_source_output
*o
, *p
= NULL
;
1058 pa_sink_input_assert_ref(i
);
1059 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
1062 if (!pa_sink_input_may_move(i
))
1063 return -PA_ERR_NOTSUPPORTED
;
1065 if ((r
= pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_MOVE_START
], i
)) < 0)
1070 /* Kill directly connected outputs */
1071 while ((o
= pa_idxset_first(i
->direct_outputs
, NULL
))) {
1073 pa_source_output_kill(o
);
1076 pa_assert(pa_idxset_isempty(i
->direct_outputs
));
1078 pa_idxset_remove_by_data(i
->sink
->inputs
, i
, NULL
);
1080 if (pa_sink_input_get_state(i
) == PA_SINK_INPUT_CORKED
)
1081 pa_assert_se(i
->sink
->n_corked
-- >= 1);
1083 if (i
->sink
->flags
& PA_SINK_FLAT_VOLUME
) {
1084 pa_cvolume new_volume
;
1086 /* Make the absolute volume relative */
1087 i
->virtual_volume
= i
->soft_volume
;
1088 i
->soft_volume
= i
->volume_factor
;
1090 /* We might need to update the sink's volume if we are in flat
1092 pa_sink_update_flat_volume(i
->sink
, &new_volume
);
1093 pa_sink_set_volume(i
->sink
, &new_volume
, FALSE
, FALSE
);
1096 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
->sink
), PA_SINK_MESSAGE_START_MOVE
, i
, 0, NULL
) == 0);
1098 pa_sink_update_status(i
->sink
);
1104 /* Called from main context */
1105 int pa_sink_input_finish_move(pa_sink_input
*i
, pa_sink
*dest
, pa_bool_t save
) {
1106 pa_resampler
*new_resampler
;
1108 pa_sink_input_assert_ref(i
);
1109 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
1110 pa_assert(!i
->sink
);
1111 pa_sink_assert_ref(dest
);
1113 if (!pa_sink_input_may_move_to(i
, dest
))
1114 return -PA_ERR_NOTSUPPORTED
;
1116 if (i
->thread_info
.resampler
&&
1117 pa_sample_spec_equal(pa_resampler_output_sample_spec(i
->thread_info
.resampler
), &dest
->sample_spec
) &&
1118 pa_channel_map_equal(pa_resampler_output_channel_map(i
->thread_info
.resampler
), &dest
->channel_map
))
1120 /* Try to reuse the old resampler if possible */
1121 new_resampler
= i
->thread_info
.resampler
;
1123 else if ((i
->flags
& PA_SINK_INPUT_VARIABLE_RATE
) ||
1124 !pa_sample_spec_equal(&i
->sample_spec
, &dest
->sample_spec
) ||
1125 !pa_channel_map_equal(&i
->channel_map
, &dest
->channel_map
)) {
1127 /* Okey, we need a new resampler for the new sink */
1129 if (!(new_resampler
= pa_resampler_new(
1131 &i
->sample_spec
, &i
->channel_map
,
1132 &dest
->sample_spec
, &dest
->channel_map
,
1133 i
->requested_resample_method
,
1134 ((i
->flags
& PA_SINK_INPUT_VARIABLE_RATE
) ? PA_RESAMPLER_VARIABLE_RATE
: 0) |
1135 ((i
->flags
& PA_SINK_INPUT_NO_REMAP
) ? PA_RESAMPLER_NO_REMAP
: 0) |
1136 (i
->core
->disable_remixing
|| (i
->flags
& PA_SINK_INPUT_NO_REMIX
) ? PA_RESAMPLER_NO_REMIX
: 0)))) {
1137 pa_log_warn("Unsupported resampling operation.");
1138 return -PA_ERR_NOTSUPPORTED
;
1141 new_resampler
= NULL
;
1144 i
->save_sink
= save
;
1145 pa_idxset_put(dest
->inputs
, i
, NULL
);
1147 if (pa_sink_input_get_state(i
) == PA_SINK_INPUT_CORKED
)
1148 i
->sink
->n_corked
++;
1150 /* Replace resampler and render queue */
1151 if (new_resampler
!= i
->thread_info
.resampler
) {
1153 if (i
->thread_info
.resampler
)
1154 pa_resampler_free(i
->thread_info
.resampler
);
1155 i
->thread_info
.resampler
= new_resampler
;
1157 pa_memblockq_free(i
->thread_info
.render_memblockq
);
1159 i
->thread_info
.render_memblockq
= pa_memblockq_new(
1161 MEMBLOCKQ_MAXLENGTH
,
1163 pa_frame_size(&i
->sink
->sample_spec
),
1170 pa_sink_update_status(dest
);
1172 if (i
->sink
->flags
& PA_SINK_FLAT_VOLUME
) {
1173 pa_cvolume new_volume
;
1175 /* Make relative volume absolute again */
1176 pa_cvolume t
= dest
->virtual_volume
;
1177 pa_cvolume_remap(&t
, &dest
->channel_map
, &i
->channel_map
);
1178 pa_sw_cvolume_multiply(&i
->virtual_volume
, &i
->virtual_volume
, &t
);
1180 /* We might need to update the sink's volume if we are in flat volume mode. */
1181 pa_sink_update_flat_volume(i
->sink
, &new_volume
);
1182 pa_sink_set_volume(i
->sink
, &new_volume
, FALSE
, FALSE
);
1185 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
->sink
), PA_SINK_MESSAGE_FINISH_MOVE
, i
, 0, NULL
) == 0);
1187 pa_log_debug("Successfully moved sink input %i to %s.", i
->index
, dest
->name
);
1189 /* Notify everyone */
1193 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_MOVE_FINISH
], i
);
1194 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
1199 /* Called from main context */
1200 int pa_sink_input_move_to(pa_sink_input
*i
, pa_sink
*dest
, pa_bool_t save
) {
1203 pa_sink_input_assert_ref(i
);
1204 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
1206 pa_sink_assert_ref(dest
);
1208 if (dest
== i
->sink
)
1211 if (!pa_sink_input_may_move_to(i
, dest
))
1212 return -PA_ERR_NOTSUPPORTED
;
1214 if ((r
= pa_sink_input_start_move(i
)) < 0)
1217 if ((r
= pa_sink_input_finish_move(i
, dest
, save
)) < 0)
1223 /* Called from IO thread context */
1224 void pa_sink_input_set_state_within_thread(pa_sink_input
*i
, pa_sink_input_state_t state
) {
1225 pa_bool_t corking
, uncorking
;
1226 pa_sink_input_assert_ref(i
);
1228 if (state
== i
->thread_info
.state
)
1231 if ((state
== PA_SINK_INPUT_DRAINED
|| state
== PA_SINK_INPUT_RUNNING
) &&
1232 !(i
->thread_info
.state
== PA_SINK_INPUT_DRAINED
|| i
->thread_info
.state
!= PA_SINK_INPUT_RUNNING
))
1233 pa_atomic_store(&i
->thread_info
.drained
, 1);
1235 corking
= state
== PA_SINK_INPUT_CORKED
&& i
->thread_info
.state
== PA_SINK_INPUT_RUNNING
;
1236 uncorking
= i
->thread_info
.state
== PA_SINK_INPUT_CORKED
&& state
== PA_SINK_INPUT_RUNNING
;
1238 if (i
->state_change
)
1239 i
->state_change(i
, state
);
1241 i
->thread_info
.state
= state
;
1245 pa_log_debug("Requesting rewind due to corking");
1247 /* This will tell the implementing sink input driver to rewind
1248 * so that the unplayed already mixed data is not lost */
1249 pa_sink_input_request_rewind(i
, 0, TRUE
, TRUE
, FALSE
);
1251 } else if (uncorking
) {
1253 i
->thread_info
.underrun_for
= (uint64_t) -1;
1254 i
->thread_info
.playing_for
= 0;
1256 pa_log_debug("Requesting rewind due to uncorking");
1258 /* OK, we're being uncorked. Make sure we're not rewound when
1259 * the hw buffer is remixed and request a remix. */
1260 pa_sink_input_request_rewind(i
, 0, FALSE
, TRUE
, TRUE
);
1264 /* Called from thread context, except when it is not. */
1265 int pa_sink_input_process_msg(pa_msgobject
*o
, int code
, void *userdata
, int64_t offset
, pa_memchunk
*chunk
) {
1266 pa_sink_input
*i
= PA_SINK_INPUT(o
);
1267 pa_sink_input_assert_ref(i
);
1271 case PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME
:
1272 if (!pa_cvolume_equal(&i
->thread_info
.soft_volume
, &i
->soft_volume
)) {
1273 i
->thread_info
.soft_volume
= i
->soft_volume
;
1274 pa_sink_input_request_rewind(i
, 0, TRUE
, FALSE
, FALSE
);
1278 case PA_SINK_INPUT_MESSAGE_SET_SOFT_MUTE
:
1279 if (i
->thread_info
.muted
!= i
->muted
) {
1280 i
->thread_info
.muted
= i
->muted
;
1281 pa_sink_input_request_rewind(i
, 0, TRUE
, FALSE
, FALSE
);
1285 case PA_SINK_INPUT_MESSAGE_GET_LATENCY
: {
1286 pa_usec_t
*r
= userdata
;
1287 pa_usec_t sink_usec
= 0;
1289 r
[0] += pa_bytes_to_usec(pa_memblockq_get_length(i
->thread_info
.render_memblockq
), &i
->sink
->sample_spec
);
1291 if (i
->sink
->parent
.process_msg(PA_MSGOBJECT(i
->sink
), PA_SINK_MESSAGE_GET_LATENCY
, &sink_usec
, 0, NULL
) >= 0)
1297 case PA_SINK_INPUT_MESSAGE_SET_RATE
:
1299 i
->thread_info
.sample_spec
.rate
= PA_PTR_TO_UINT(userdata
);
1300 pa_resampler_set_input_rate(i
->thread_info
.resampler
, PA_PTR_TO_UINT(userdata
));
1304 case PA_SINK_INPUT_MESSAGE_SET_STATE
: {
1305 pa_sink_input
*ssync
;
1307 pa_sink_input_set_state_within_thread(i
, PA_PTR_TO_UINT(userdata
));
1309 for (ssync
= i
->thread_info
.sync_prev
; ssync
; ssync
= ssync
->thread_info
.sync_prev
)
1310 pa_sink_input_set_state_within_thread(ssync
, PA_PTR_TO_UINT(userdata
));
1312 for (ssync
= i
->thread_info
.sync_next
; ssync
; ssync
= ssync
->thread_info
.sync_next
)
1313 pa_sink_input_set_state_within_thread(ssync
, PA_PTR_TO_UINT(userdata
));
1318 case PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY
: {
1319 pa_usec_t
*usec
= userdata
;
1321 *usec
= pa_sink_input_set_requested_latency_within_thread(i
, *usec
);
1325 case PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY
: {
1326 pa_usec_t
*r
= userdata
;
1328 *r
= i
->thread_info
.requested_sink_latency
;
1333 return -PA_ERR_NOTIMPLEMENTED
;
1336 /* Called from main thread */
1337 pa_sink_input_state_t
pa_sink_input_get_state(pa_sink_input
*i
) {
1338 pa_sink_input_assert_ref(i
);
1340 if (i
->state
== PA_SINK_INPUT_RUNNING
|| i
->state
== PA_SINK_INPUT_DRAINED
)
1341 return pa_atomic_load(&i
->thread_info
.drained
) ? PA_SINK_INPUT_DRAINED
: PA_SINK_INPUT_RUNNING
;
1346 /* Called from IO context */
1347 pa_bool_t
pa_sink_input_safe_to_remove(pa_sink_input
*i
) {
1348 pa_sink_input_assert_ref(i
);
1350 if (PA_SINK_INPUT_IS_LINKED(i
->thread_info
.state
))
1351 return pa_memblockq_is_empty(i
->thread_info
.render_memblockq
);
1356 /* Called from IO context */
1357 void pa_sink_input_request_rewind(pa_sink_input
*i
, size_t nbytes
/* in our sample spec */, pa_bool_t rewrite
, pa_bool_t flush
, pa_bool_t dont_rewind_render
) {
1360 /* If 'rewrite' is TRUE the sink is rewound as far as requested
1361 * and possible and the exact value of this is passed back the
1362 * implementor via process_rewind(). If 'flush' is also TRUE all
1363 * already rendered data is also dropped.
1365 * If 'rewrite' is FALSE the sink is rewound as far as requested
1366 * and possible and the already rendered data is dropped so that
1367 * in the next iteration we read new data from the
1368 * implementor. This implies 'flush' is TRUE. If
1369 * dont_rewind_render is TRUE then the render memblockq is not
1372 pa_sink_input_assert_ref(i
);
1374 nbytes
= PA_MAX(i
->thread_info
.rewrite_nbytes
, nbytes
);
1376 /* pa_log_debug("request rewrite %lu", (unsigned long) nbytes); */
1378 /* We don't take rewind requests while we are corked */
1379 if (i
->thread_info
.state
== PA_SINK_INPUT_CORKED
)
1382 pa_assert(rewrite
|| flush
);
1383 pa_assert(!dont_rewind_render
|| !rewrite
);
1385 /* Calculate how much we can rewind locally without having to
1388 lbq
= pa_memblockq_get_length(i
->thread_info
.render_memblockq
);
1392 /* Check if rewinding for the maximum is requested, and if so, fix up */
1395 /* Calculate maximum number of bytes that could be rewound in theory */
1396 nbytes
= i
->sink
->thread_info
.max_rewind
+ lbq
;
1398 /* Transform from sink domain */
1399 if (i
->thread_info
.resampler
)
1400 nbytes
= pa_resampler_request(i
->thread_info
.resampler
, nbytes
);
1403 if (i
->thread_info
.rewrite_nbytes
!= (size_t) -1) {
1405 /* Make sure to not overwrite over underruns */
1406 if (nbytes
> i
->thread_info
.playing_for
)
1407 nbytes
= (size_t) i
->thread_info
.playing_for
;
1409 i
->thread_info
.rewrite_nbytes
= nbytes
;
1411 i
->thread_info
.rewrite_nbytes
= (size_t) -1;
1414 i
->thread_info
.rewrite_flush
=
1415 i
->thread_info
.rewrite_flush
||
1416 (flush
&& i
->thread_info
.rewrite_nbytes
!= 0);
1418 i
->thread_info
.dont_rewind_render
=
1419 i
->thread_info
.dont_rewind_render
||
1422 if (nbytes
!= (size_t) -1) {
1424 /* Transform to sink domain */
1425 if (i
->thread_info
.resampler
)
1426 nbytes
= pa_resampler_result(i
->thread_info
.resampler
, nbytes
);
1429 pa_sink_request_rewind(i
->sink
, nbytes
- lbq
);
1431 /* This call will make sure process_rewind() is called later */
1432 pa_sink_request_rewind(i
->sink
, 0);
1436 /* Called from main context */
1437 pa_memchunk
* pa_sink_input_get_silence(pa_sink_input
*i
, pa_memchunk
*ret
) {
1438 pa_sink_input_assert_ref(i
);
1441 pa_silence_memchunk_get(
1442 &i
->core
->silence_cache
,
1446 i
->thread_info
.resampler
? pa_resampler_max_block_size(i
->thread_info
.resampler
) : 0);
1451 /* Called from main context */
1452 void pa_sink_input_send_event(pa_sink_input
*i
, const char *event
, pa_proplist
*data
) {
1453 pa_proplist
*pl
= NULL
;
1454 pa_sink_input_send_event_hook_data hook_data
;
1456 pa_sink_input_assert_ref(i
);
1463 data
= pl
= pa_proplist_new();
1465 hook_data
.sink_input
= i
;
1466 hook_data
.data
= data
;
1467 hook_data
.event
= event
;
1469 if (pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_SEND_EVENT
], &hook_data
) < 0)
1472 i
->send_event(i
, event
, data
);
1476 pa_proplist_free(pl
);