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_set_muted(pa_sink_input_new_data
*data
, pa_bool_t mute
) {
85 data
->muted_is_set
= TRUE
;
89 void pa_sink_input_new_data_done(pa_sink_input_new_data
*data
) {
92 pa_proplist_free(data
->proplist
);
95 /* Called from main context */
96 static void reset_callbacks(pa_sink_input
*i
) {
100 i
->process_rewind
= NULL
;
101 i
->update_max_rewind
= NULL
;
102 i
->update_max_request
= NULL
;
103 i
->update_sink_requested_latency
= NULL
;
104 i
->update_sink_latency_range
= NULL
;
110 i
->get_latency
= NULL
;
111 i
->state_change
= NULL
;
112 i
->may_move_to
= NULL
;
115 /* Called from main context */
116 int pa_sink_input_new(
119 pa_sink_input_new_data
*data
,
120 pa_sink_input_flags_t flags
) {
123 pa_resampler
*resampler
= NULL
;
124 char st
[PA_SAMPLE_SPEC_SNPRINT_MAX
], cm
[PA_CHANNEL_MAP_SNPRINT_MAX
];
125 pa_channel_map original_cm
;
133 pa_proplist_update(data
->proplist
, PA_UPDATE_MERGE
, data
->client
->proplist
);
135 if ((r
= pa_hook_fire(&core
->hooks
[PA_CORE_HOOK_SINK_INPUT_NEW
], data
)) < 0)
138 pa_return_val_if_fail(!data
->driver
|| pa_utf8_valid(data
->driver
), -PA_ERR_INVALID
);
141 data
->sink
= pa_namereg_get(core
, NULL
, PA_NAMEREG_SINK
);
142 data
->save_sink
= FALSE
;
145 pa_return_val_if_fail(data
->sink
, -PA_ERR_NOENTITY
);
146 pa_return_val_if_fail(PA_SINK_IS_LINKED(pa_sink_get_state(data
->sink
)), -PA_ERR_BADSTATE
);
147 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
);
148 pa_return_val_if_fail(!(flags
& PA_SINK_INPUT_FAIL_ON_SUSPEND
) || pa_sink_get_state(data
->sink
) != PA_SINK_SUSPENDED
, -PA_ERR_BADSTATE
);
150 if (!data
->sample_spec_is_set
)
151 data
->sample_spec
= data
->sink
->sample_spec
;
153 pa_return_val_if_fail(pa_sample_spec_valid(&data
->sample_spec
), -PA_ERR_INVALID
);
155 if (!data
->channel_map_is_set
) {
156 if (pa_channel_map_compatible(&data
->sink
->channel_map
, &data
->sample_spec
))
157 data
->channel_map
= data
->sink
->channel_map
;
159 pa_channel_map_init_extend(&data
->channel_map
, data
->sample_spec
.channels
, PA_CHANNEL_MAP_DEFAULT
);
162 pa_return_val_if_fail(pa_channel_map_valid(&data
->channel_map
), -PA_ERR_INVALID
);
163 pa_return_val_if_fail(pa_channel_map_compatible(&data
->channel_map
, &data
->sample_spec
), -PA_ERR_INVALID
);
165 if (!data
->volume_is_set
) {
167 if (data
->sink
->flags
& PA_SINK_FLAT_VOLUME
) {
168 data
->volume
= *pa_sink_get_volume(data
->sink
, FALSE
);
169 pa_cvolume_remap(&data
->volume
, &data
->sink
->channel_map
, &data
->channel_map
);
171 pa_cvolume_reset(&data
->volume
, data
->sample_spec
.channels
);
173 data
->save_volume
= FALSE
;
177 pa_return_val_if_fail(pa_cvolume_valid(&data
->volume
), -PA_ERR_INVALID
);
178 pa_return_val_if_fail(pa_cvolume_compatible(&data
->volume
, &data
->sample_spec
), -PA_ERR_INVALID
);
180 if (!data
->muted_is_set
)
183 if (flags
& PA_SINK_INPUT_FIX_FORMAT
)
184 data
->sample_spec
.format
= data
->sink
->sample_spec
.format
;
186 if (flags
& PA_SINK_INPUT_FIX_RATE
)
187 data
->sample_spec
.rate
= data
->sink
->sample_spec
.rate
;
189 original_cm
= data
->channel_map
;
191 if (flags
& PA_SINK_INPUT_FIX_CHANNELS
) {
192 data
->sample_spec
.channels
= data
->sink
->sample_spec
.channels
;
193 data
->channel_map
= data
->sink
->channel_map
;
196 pa_assert(pa_sample_spec_valid(&data
->sample_spec
));
197 pa_assert(pa_channel_map_valid(&data
->channel_map
));
199 /* Due to the fixing of the sample spec the volume might not match anymore */
200 pa_cvolume_remap(&data
->volume
, &original_cm
, &data
->channel_map
);
202 if (data
->resample_method
== PA_RESAMPLER_INVALID
)
203 data
->resample_method
= core
->resample_method
;
205 pa_return_val_if_fail(data
->resample_method
< PA_RESAMPLER_MAX
, -PA_ERR_INVALID
);
207 if ((r
= pa_hook_fire(&core
->hooks
[PA_CORE_HOOK_SINK_INPUT_FIXATE
], data
)) < 0)
210 if (pa_idxset_size(data
->sink
->inputs
) >= PA_MAX_INPUTS_PER_SINK
) {
211 pa_log_warn("Failed to create sink input: too many inputs per sink.");
212 return -PA_ERR_TOOLARGE
;
215 if ((flags
& PA_SINK_INPUT_VARIABLE_RATE
) ||
216 !pa_sample_spec_equal(&data
->sample_spec
, &data
->sink
->sample_spec
) ||
217 !pa_channel_map_equal(&data
->channel_map
, &data
->sink
->channel_map
)) {
219 if (!(resampler
= pa_resampler_new(
221 &data
->sample_spec
, &data
->channel_map
,
222 &data
->sink
->sample_spec
, &data
->sink
->channel_map
,
223 data
->resample_method
,
224 ((flags
& PA_SINK_INPUT_VARIABLE_RATE
) ? PA_RESAMPLER_VARIABLE_RATE
: 0) |
225 ((flags
& PA_SINK_INPUT_NO_REMAP
) ? PA_RESAMPLER_NO_REMAP
: 0) |
226 (core
->disable_remixing
|| (flags
& PA_SINK_INPUT_NO_REMIX
) ? PA_RESAMPLER_NO_REMIX
: 0) |
227 (core
->disable_lfe_remixing
? PA_RESAMPLER_NO_LFE
: 0)))) {
228 pa_log_warn("Unsupported resampling operation.");
229 return -PA_ERR_NOTSUPPORTED
;
233 i
= pa_msgobject_new(pa_sink_input
);
234 i
->parent
.parent
.free
= sink_input_free
;
235 i
->parent
.process_msg
= pa_sink_input_process_msg
;
238 i
->state
= PA_SINK_INPUT_INIT
;
240 i
->proplist
= pa_proplist_copy(data
->proplist
);
241 i
->driver
= pa_xstrdup(pa_path_get_filename(data
->driver
));
242 i
->module
= data
->module
;
243 i
->sink
= data
->sink
;
244 i
->client
= data
->client
;
246 i
->requested_resample_method
= data
->resample_method
;
247 i
->actual_resample_method
= resampler
? pa_resampler_get_method(resampler
) : PA_RESAMPLER_INVALID
;
248 i
->sample_spec
= data
->sample_spec
;
249 i
->channel_map
= data
->channel_map
;
251 if ((i
->sink
->flags
& PA_SINK_FLAT_VOLUME
) && !data
->volume_is_absolute
) {
252 /* When the 'absolute' bool is not set then we'll treat the volume
253 * as relative to the sink volume even in flat volume mode */
255 pa_cvolume t
= *pa_sink_get_volume(data
->sink
, FALSE
);
256 pa_cvolume_remap(&t
, &data
->sink
->channel_map
, &data
->channel_map
);
258 pa_sw_cvolume_multiply(&i
->virtual_volume
, &data
->volume
, &t
);
260 i
->virtual_volume
= data
->volume
;
262 pa_cvolume_init(&i
->soft_volume
);
263 i
->save_volume
= data
->save_volume
;
264 i
->save_sink
= data
->save_sink
;
265 i
->save_muted
= data
->save_muted
;
267 i
->muted
= data
->muted
;
269 if (data
->sync_base
) {
270 i
->sync_next
= data
->sync_base
->sync_next
;
271 i
->sync_prev
= data
->sync_base
;
273 if (data
->sync_base
->sync_next
)
274 data
->sync_base
->sync_next
->sync_prev
= i
;
275 data
->sync_base
->sync_next
= i
;
277 i
->sync_next
= i
->sync_prev
= NULL
;
279 i
->direct_outputs
= pa_idxset_new(NULL
, NULL
);
284 i
->thread_info
.state
= i
->state
;
285 i
->thread_info
.attached
= FALSE
;
286 pa_atomic_store(&i
->thread_info
.drained
, 1);
287 i
->thread_info
.sample_spec
= i
->sample_spec
;
288 i
->thread_info
.resampler
= resampler
;
289 i
->thread_info
.soft_volume
= i
->soft_volume
;
290 i
->thread_info
.muted
= i
->muted
;
291 i
->thread_info
.requested_sink_latency
= (pa_usec_t
) -1;
292 i
->thread_info
.rewrite_nbytes
= 0;
293 i
->thread_info
.rewrite_flush
= FALSE
;
294 i
->thread_info
.dont_rewind_render
= FALSE
;
295 i
->thread_info
.underrun_for
= (uint64_t) -1;
296 i
->thread_info
.playing_for
= 0;
297 i
->thread_info
.direct_outputs
= pa_hashmap_new(pa_idxset_trivial_hash_func
, pa_idxset_trivial_compare_func
);
299 i
->thread_info
.render_memblockq
= pa_memblockq_new(
303 pa_frame_size(&i
->sink
->sample_spec
),
309 pa_assert_se(pa_idxset_put(core
->sink_inputs
, pa_sink_input_ref(i
), &i
->index
) == 0);
310 pa_assert_se(pa_idxset_put(i
->sink
->inputs
, i
, NULL
) == 0);
313 pa_assert_se(pa_idxset_put(i
->client
->sink_inputs
, i
, NULL
) >= 0);
315 pa_log_info("Created input %u \"%s\" on %s with sample spec %s and channel map %s",
317 pa_strnull(pa_proplist_gets(i
->proplist
, PA_PROP_MEDIA_NAME
)),
319 pa_sample_spec_snprint(st
, sizeof(st
), &i
->sample_spec
),
320 pa_channel_map_snprint(cm
, sizeof(cm
), &i
->channel_map
));
322 /* Don't forget to call pa_sink_input_put! */
328 /* Called from main context */
329 static void update_n_corked(pa_sink_input
*i
, pa_sink_input_state_t state
) {
335 if (i
->state
== PA_SINK_INPUT_CORKED
&& state
!= PA_SINK_INPUT_CORKED
)
336 pa_assert_se(i
->sink
->n_corked
-- >= 1);
337 else if (i
->state
!= PA_SINK_INPUT_CORKED
&& state
== PA_SINK_INPUT_CORKED
)
341 /* Called from main context */
342 static void sink_input_set_state(pa_sink_input
*i
, pa_sink_input_state_t state
) {
343 pa_sink_input
*ssync
;
346 if (state
== PA_SINK_INPUT_DRAINED
)
347 state
= PA_SINK_INPUT_RUNNING
;
349 if (i
->state
== state
)
352 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);
354 update_n_corked(i
, state
);
357 for (ssync
= i
->sync_prev
; ssync
; ssync
= ssync
->sync_prev
) {
358 update_n_corked(ssync
, state
);
359 ssync
->state
= state
;
361 for (ssync
= i
->sync_next
; ssync
; ssync
= ssync
->sync_next
) {
362 update_n_corked(ssync
, state
);
363 ssync
->state
= state
;
366 if (state
!= PA_SINK_INPUT_UNLINKED
) {
367 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED
], i
);
369 for (ssync
= i
->sync_prev
; ssync
; ssync
= ssync
->sync_prev
)
370 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED
], ssync
);
372 for (ssync
= i
->sync_next
; ssync
; ssync
= ssync
->sync_next
)
373 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED
], ssync
);
376 pa_sink_update_status(i
->sink
);
379 /* Called from main context */
380 void pa_sink_input_unlink(pa_sink_input
*i
) {
382 pa_source_output
*o
, *p
= NULL
;
385 /* See pa_sink_unlink() for a couple of comments how this function
388 pa_sink_input_ref(i
);
390 linked
= PA_SINK_INPUT_IS_LINKED(i
->state
);
393 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_UNLINK
], i
);
396 i
->sync_prev
->sync_next
= i
->sync_next
;
398 i
->sync_next
->sync_prev
= i
->sync_prev
;
400 i
->sync_prev
= i
->sync_next
= NULL
;
402 pa_idxset_remove_by_data(i
->core
->sink_inputs
, i
, NULL
);
405 if (pa_idxset_remove_by_data(i
->sink
->inputs
, i
, NULL
))
406 pa_sink_input_unref(i
);
409 pa_idxset_remove_by_data(i
->client
->sink_inputs
, i
, NULL
);
411 while ((o
= pa_idxset_first(i
->direct_outputs
, NULL
))) {
413 pa_source_output_kill(o
);
417 update_n_corked(i
, PA_SINK_INPUT_UNLINKED
);
418 i
->state
= PA_SINK_INPUT_UNLINKED
;
420 if (linked
&& i
->sink
) {
421 /* We might need to update the sink's volume if we are in flat volume mode. */
422 if (i
->sink
->flags
& PA_SINK_FLAT_VOLUME
) {
423 pa_cvolume new_volume
;
424 pa_sink_update_flat_volume(i
->sink
, &new_volume
);
425 pa_sink_set_volume(i
->sink
, &new_volume
, FALSE
, FALSE
);
428 if (i
->sink
->asyncmsgq
)
429 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
->sink
), PA_SINK_MESSAGE_REMOVE_INPUT
, i
, 0, NULL
) == 0);
435 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_REMOVE
, i
->index
);
436 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_UNLINK_POST
], i
);
440 pa_sink_update_status(i
->sink
);
444 pa_sink_input_unref(i
);
447 /* Called from main context */
448 static void sink_input_free(pa_object
*o
) {
449 pa_sink_input
* i
= PA_SINK_INPUT(o
);
452 pa_assert(pa_sink_input_refcnt(i
) == 0);
454 if (PA_SINK_INPUT_IS_LINKED(i
->state
))
455 pa_sink_input_unlink(i
);
457 pa_log_info("Freeing input %u \"%s\"", i
->index
, pa_strnull(pa_proplist_gets(i
->proplist
, PA_PROP_MEDIA_NAME
)));
459 pa_assert(!i
->thread_info
.attached
);
461 if (i
->thread_info
.render_memblockq
)
462 pa_memblockq_free(i
->thread_info
.render_memblockq
);
464 if (i
->thread_info
.resampler
)
465 pa_resampler_free(i
->thread_info
.resampler
);
468 pa_proplist_free(i
->proplist
);
470 if (i
->direct_outputs
)
471 pa_idxset_free(i
->direct_outputs
, NULL
, NULL
);
473 if (i
->thread_info
.direct_outputs
)
474 pa_hashmap_free(i
->thread_info
.direct_outputs
, NULL
, NULL
);
480 /* Called from main context */
481 void pa_sink_input_put(pa_sink_input
*i
) {
482 pa_sink_input_state_t state
;
483 pa_sink_input_assert_ref(i
);
485 pa_assert(i
->state
== PA_SINK_INPUT_INIT
);
487 /* The following fields must be initialized properly */
489 pa_assert(i
->process_rewind
);
492 state
= i
->flags
& PA_SINK_INPUT_START_CORKED
? PA_SINK_INPUT_CORKED
: PA_SINK_INPUT_RUNNING
;
494 update_n_corked(i
, state
);
497 /* We might need to update the sink's volume if we are in flat volume mode. */
498 if (i
->sink
->flags
& PA_SINK_FLAT_VOLUME
) {
499 pa_cvolume new_volume
;
500 pa_sink_update_flat_volume(i
->sink
, &new_volume
);
501 pa_sink_set_volume(i
->sink
, &new_volume
, FALSE
, FALSE
);
503 i
->soft_volume
= i
->virtual_volume
;
505 i
->thread_info
.soft_volume
= i
->soft_volume
;
506 i
->thread_info
.muted
= i
->muted
;
508 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
->sink
), PA_SINK_MESSAGE_ADD_INPUT
, i
, 0, NULL
) == 0);
510 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_NEW
, i
->index
);
511 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_PUT
], i
);
513 pa_sink_update_status(i
->sink
);
516 /* Called from main context */
517 void pa_sink_input_kill(pa_sink_input
*i
) {
518 pa_sink_input_assert_ref(i
);
519 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
524 /* Called from main context */
525 pa_usec_t
pa_sink_input_get_latency(pa_sink_input
*i
, pa_usec_t
*sink_latency
) {
526 pa_usec_t r
[2] = { 0, 0 };
528 pa_sink_input_assert_ref(i
);
529 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
531 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
), PA_SINK_INPUT_MESSAGE_GET_LATENCY
, r
, 0, NULL
) == 0);
534 r
[0] += i
->get_latency(i
);
537 *sink_latency
= r
[1];
542 /* Called from thread context */
543 void pa_sink_input_peek(pa_sink_input
*i
, size_t slength
/* in sink frames */, pa_memchunk
*chunk
, pa_cvolume
*volume
) {
544 pa_bool_t do_volume_adj_here
;
545 pa_bool_t volume_is_norm
;
546 size_t block_size_max_sink
, block_size_max_sink_input
;
549 pa_sink_input_assert_ref(i
);
550 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->thread_info
.state
));
551 pa_assert(pa_frame_aligned(slength
, &i
->sink
->sample_spec
));
555 /* pa_log_debug("peek"); */
557 pa_assert(i
->thread_info
.state
== PA_SINK_INPUT_RUNNING
||
558 i
->thread_info
.state
== PA_SINK_INPUT_CORKED
||
559 i
->thread_info
.state
== PA_SINK_INPUT_DRAINED
);
561 block_size_max_sink_input
= i
->thread_info
.resampler
?
562 pa_resampler_max_block_size(i
->thread_info
.resampler
) :
563 pa_frame_align(pa_mempool_block_size_max(i
->core
->mempool
), &i
->sample_spec
);
565 block_size_max_sink
= pa_frame_align(pa_mempool_block_size_max(i
->core
->mempool
), &i
->sink
->sample_spec
);
567 /* Default buffer size */
569 slength
= pa_frame_align(CONVERT_BUFFER_LENGTH
, &i
->sink
->sample_spec
);
571 if (slength
> block_size_max_sink
)
572 slength
= block_size_max_sink
;
574 if (i
->thread_info
.resampler
) {
575 ilength
= pa_resampler_request(i
->thread_info
.resampler
, slength
);
578 ilength
= pa_frame_align(CONVERT_BUFFER_LENGTH
, &i
->sample_spec
);
582 if (ilength
> block_size_max_sink_input
)
583 ilength
= block_size_max_sink_input
;
585 /* If the channel maps of the sink and this stream differ, we need
586 * to adjust the volume *before* we resample. Otherwise we can do
587 * it after and leave it for the sink code */
589 do_volume_adj_here
= !pa_channel_map_equal(&i
->channel_map
, &i
->sink
->channel_map
);
590 volume_is_norm
= pa_cvolume_is_norm(&i
->thread_info
.soft_volume
) && !i
->thread_info
.muted
;
592 while (!pa_memblockq_is_readable(i
->thread_info
.render_memblockq
)) {
595 /* There's nothing in our render queue. We need to fill it up
596 * with data from the implementor. */
598 if (i
->thread_info
.state
== PA_SINK_INPUT_CORKED
||
599 i
->pop(i
, ilength
, &tchunk
) < 0) {
601 /* OK, we're corked or the implementor didn't give us any
602 * data, so let's just hand out silence */
603 pa_atomic_store(&i
->thread_info
.drained
, 1);
605 pa_memblockq_seek(i
->thread_info
.render_memblockq
, (int64_t) slength
, PA_SEEK_RELATIVE
);
606 i
->thread_info
.playing_for
= 0;
607 if (i
->thread_info
.underrun_for
!= (uint64_t) -1)
608 i
->thread_info
.underrun_for
+= ilength
;
612 pa_atomic_store(&i
->thread_info
.drained
, 0);
614 pa_assert(tchunk
.length
> 0);
615 pa_assert(tchunk
.memblock
);
617 i
->thread_info
.underrun_for
= 0;
618 i
->thread_info
.playing_for
+= tchunk
.length
;
620 while (tchunk
.length
> 0) {
624 pa_memblock_ref(wchunk
.memblock
);
626 if (wchunk
.length
> block_size_max_sink_input
)
627 wchunk
.length
= block_size_max_sink_input
;
629 /* It might be necessary to adjust the volume here */
630 if (do_volume_adj_here
&& !volume_is_norm
) {
631 pa_memchunk_make_writable(&wchunk
, 0);
633 if (i
->thread_info
.muted
)
634 pa_silence_memchunk(&wchunk
, &i
->thread_info
.sample_spec
);
636 pa_volume_memchunk(&wchunk
, &i
->thread_info
.sample_spec
, &i
->thread_info
.soft_volume
);
639 if (!i
->thread_info
.resampler
)
640 pa_memblockq_push_align(i
->thread_info
.render_memblockq
, &wchunk
);
643 pa_resampler_run(i
->thread_info
.resampler
, &wchunk
, &rchunk
);
645 /* pa_log_debug("pushing %lu", (unsigned long) rchunk.length); */
647 if (rchunk
.memblock
) {
648 pa_memblockq_push_align(i
->thread_info
.render_memblockq
, &rchunk
);
649 pa_memblock_unref(rchunk
.memblock
);
653 pa_memblock_unref(wchunk
.memblock
);
655 tchunk
.index
+= wchunk
.length
;
656 tchunk
.length
-= wchunk
.length
;
659 pa_memblock_unref(tchunk
.memblock
);
662 pa_assert_se(pa_memblockq_peek(i
->thread_info
.render_memblockq
, chunk
) >= 0);
664 pa_assert(chunk
->length
> 0);
665 pa_assert(chunk
->memblock
);
667 /* pa_log_debug("peeking %lu", (unsigned long) chunk->length); */
669 if (chunk
->length
> block_size_max_sink
)
670 chunk
->length
= block_size_max_sink
;
672 /* Let's see if we had to apply the volume adjustment ourselves,
673 * or if this can be done by the sink for us */
675 if (do_volume_adj_here
)
676 /* We had different channel maps, so we already did the adjustment */
677 pa_cvolume_reset(volume
, i
->sink
->sample_spec
.channels
);
678 else if (i
->thread_info
.muted
)
679 /* We've both the same channel map, so let's have the sink do the adjustment for us*/
680 pa_cvolume_mute(volume
, i
->sink
->sample_spec
.channels
);
682 *volume
= i
->thread_info
.soft_volume
;
685 /* Called from thread context */
686 void pa_sink_input_drop(pa_sink_input
*i
, size_t nbytes
/* in sink sample spec */) {
687 pa_sink_input_assert_ref(i
);
689 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->thread_info
.state
));
690 pa_assert(pa_frame_aligned(nbytes
, &i
->sink
->sample_spec
));
691 pa_assert(nbytes
> 0);
693 /* pa_log_debug("dropping %lu", (unsigned long) nbytes); */
695 pa_memblockq_drop(i
->thread_info
.render_memblockq
, nbytes
);
698 /* Called from thread context */
699 void pa_sink_input_process_rewind(pa_sink_input
*i
, size_t nbytes
/* in sink sample spec */) {
701 pa_bool_t called
= FALSE
;
702 pa_sink_input_assert_ref(i
);
704 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->thread_info
.state
));
705 pa_assert(pa_frame_aligned(nbytes
, &i
->sink
->sample_spec
));
707 /* pa_log_debug("rewind(%lu, %lu)", (unsigned long) nbytes, (unsigned long) i->thread_info.rewrite_nbytes); */
709 lbq
= pa_memblockq_get_length(i
->thread_info
.render_memblockq
);
711 if (nbytes
> 0 && !i
->thread_info
.dont_rewind_render
) {
712 pa_log_debug("Have to rewind %lu bytes on render memblockq.", (unsigned long) nbytes
);
713 pa_memblockq_rewind(i
->thread_info
.render_memblockq
, nbytes
);
716 if (i
->thread_info
.rewrite_nbytes
== (size_t) -1) {
718 /* We were asked to drop all buffered data, and rerequest new
719 * data from implementor the next time push() is called */
721 pa_memblockq_flush_write(i
->thread_info
.render_memblockq
);
723 } else if (i
->thread_info
.rewrite_nbytes
> 0) {
724 size_t max_rewrite
, amount
;
726 /* Calculate how much make sense to rewrite at most */
727 max_rewrite
= nbytes
+ lbq
;
729 /* Transform into local domain */
730 if (i
->thread_info
.resampler
)
731 max_rewrite
= pa_resampler_request(i
->thread_info
.resampler
, max_rewrite
);
733 /* Calculate how much of the rewinded data should actually be rewritten */
734 amount
= PA_MIN(i
->thread_info
.rewrite_nbytes
, max_rewrite
);
737 pa_log_debug("Have to rewind %lu bytes on implementor.", (unsigned long) amount
);
739 /* Tell the implementor */
740 if (i
->process_rewind
)
741 i
->process_rewind(i
, amount
);
744 /* Convert back to to sink domain */
745 if (i
->thread_info
.resampler
)
746 amount
= pa_resampler_result(i
->thread_info
.resampler
, amount
);
749 /* Ok, now update the write pointer */
750 pa_memblockq_seek(i
->thread_info
.render_memblockq
, - ((int64_t) amount
), PA_SEEK_RELATIVE
);
752 if (i
->thread_info
.rewrite_flush
)
753 pa_memblockq_silence(i
->thread_info
.render_memblockq
);
755 /* And reset the resampler */
756 if (i
->thread_info
.resampler
)
757 pa_resampler_reset(i
->thread_info
.resampler
);
762 if (i
->process_rewind
)
763 i
->process_rewind(i
, 0);
765 i
->thread_info
.rewrite_nbytes
= 0;
766 i
->thread_info
.rewrite_flush
= FALSE
;
767 i
->thread_info
.dont_rewind_render
= FALSE
;
770 /* Called from thread context */
771 void pa_sink_input_update_max_rewind(pa_sink_input
*i
, size_t nbytes
/* in the sink's sample spec */) {
772 pa_sink_input_assert_ref(i
);
773 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->thread_info
.state
));
774 pa_assert(pa_frame_aligned(nbytes
, &i
->sink
->sample_spec
));
776 pa_memblockq_set_maxrewind(i
->thread_info
.render_memblockq
, nbytes
);
778 if (i
->update_max_rewind
)
779 i
->update_max_rewind(i
, i
->thread_info
.resampler
? pa_resampler_request(i
->thread_info
.resampler
, nbytes
) : nbytes
);
782 /* Called from thread context */
783 void pa_sink_input_update_max_request(pa_sink_input
*i
, size_t nbytes
/* in the sink's sample spec */) {
784 pa_sink_input_assert_ref(i
);
785 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->thread_info
.state
));
786 pa_assert(pa_frame_aligned(nbytes
, &i
->sink
->sample_spec
));
788 if (i
->update_max_request
)
789 i
->update_max_request(i
, i
->thread_info
.resampler
? pa_resampler_request(i
->thread_info
.resampler
, nbytes
) : nbytes
);
792 /* Called from thread context */
793 static pa_usec_t
fixup_latency(pa_sink
*s
, pa_usec_t usec
) {
794 pa_sink_assert_ref(s
);
796 if (usec
== (pa_usec_t
) -1)
799 if (s
->thread_info
.max_latency
> 0 && usec
> s
->thread_info
.max_latency
)
800 usec
= s
->thread_info
.max_latency
;
802 if (s
->thread_info
.min_latency
> 0 && usec
< s
->thread_info
.min_latency
)
803 usec
= s
->thread_info
.min_latency
;
808 /* Called from thread context */
809 pa_usec_t
pa_sink_input_set_requested_latency_within_thread(pa_sink_input
*i
, pa_usec_t usec
) {
810 pa_sink_input_assert_ref(i
);
812 usec
= fixup_latency(i
->sink
, usec
);
813 i
->thread_info
.requested_sink_latency
= usec
;
814 pa_sink_invalidate_requested_latency(i
->sink
);
819 /* Called from main context */
820 pa_usec_t
pa_sink_input_set_requested_latency(pa_sink_input
*i
, pa_usec_t usec
) {
821 pa_sink_input_assert_ref(i
);
823 if (PA_SINK_INPUT_IS_LINKED(i
->state
))
824 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
), PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY
, &usec
, 0, NULL
) == 0);
826 /* If this sink input is not realized yet, we have to touch
827 * the thread info data directly */
829 i
->thread_info
.requested_sink_latency
= usec
;
834 /* Called from main context */
835 pa_usec_t
pa_sink_input_get_requested_latency(pa_sink_input
*i
) {
838 pa_sink_input_assert_ref(i
);
840 if (PA_SINK_INPUT_IS_LINKED(i
->state
))
841 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
), PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY
, &usec
, 0, NULL
) == 0);
843 /* If this sink input is not realized yet, we have to touch
844 * the thread info data directly */
845 usec
= i
->thread_info
.requested_sink_latency
;
850 /* Called from main context */
851 void pa_sink_input_set_volume(pa_sink_input
*i
, const pa_cvolume
*volume
, pa_bool_t save
) {
852 pa_sink_input_assert_ref(i
);
853 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
855 pa_assert(pa_cvolume_valid(volume
));
856 pa_assert(pa_cvolume_compatible(volume
, &i
->sample_spec
));
858 if (pa_cvolume_equal(volume
, &i
->virtual_volume
))
861 i
->virtual_volume
= *volume
;
862 i
->save_volume
= save
;
864 if (i
->sink
->flags
& PA_SINK_FLAT_VOLUME
) {
865 pa_cvolume new_volume
;
867 /* We are in flat volume mode, so let's update all sink input
868 * volumes and update the flat volume of the sink */
870 pa_sink_update_flat_volume(i
->sink
, &new_volume
);
871 pa_sink_set_volume(i
->sink
, &new_volume
, FALSE
, TRUE
);
875 /* OK, we are in normal volume mode. The volume only affects
878 i
->soft_volume
= *volume
;
880 /* Hooks have the ability to play games with i->soft_volume */
881 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_SET_VOLUME
], i
);
883 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
), PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME
, NULL
, 0, NULL
) == 0);
886 /* The virtual volume changed, let's tell people so */
887 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
890 /* Called from main context */
891 const pa_cvolume
*pa_sink_input_get_volume(pa_sink_input
*i
) {
892 pa_sink_input_assert_ref(i
);
893 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
895 return &i
->virtual_volume
;
898 /* Called from main context */
899 void pa_sink_input_set_mute(pa_sink_input
*i
, pa_bool_t mute
, pa_bool_t save
) {
901 pa_sink_input_assert_ref(i
);
902 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
904 if (!i
->muted
== !mute
)
908 i
->save_muted
= save
;
910 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
), PA_SINK_INPUT_MESSAGE_SET_SOFT_MUTE
, NULL
, 0, NULL
) == 0);
911 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
914 /* Called from main context */
915 pa_bool_t
pa_sink_input_get_mute(pa_sink_input
*i
) {
916 pa_sink_input_assert_ref(i
);
917 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
922 /* Called from main thread */
923 pa_bool_t
pa_sink_input_update_proplist(pa_sink_input
*i
, pa_update_mode_t mode
, pa_proplist
*p
) {
925 pa_sink_input_assert_ref(i
);
927 pa_proplist_update(i
->proplist
, mode
, p
);
929 if (PA_SINK_IS_LINKED(i
->state
)) {
930 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_PROPLIST_CHANGED
], i
);
931 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
937 /* Called from main context */
938 void pa_sink_input_cork(pa_sink_input
*i
, pa_bool_t b
) {
939 pa_sink_input_assert_ref(i
);
940 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
942 sink_input_set_state(i
, b
? PA_SINK_INPUT_CORKED
: PA_SINK_INPUT_RUNNING
);
945 /* Called from main context */
946 int pa_sink_input_set_rate(pa_sink_input
*i
, uint32_t rate
) {
947 pa_sink_input_assert_ref(i
);
948 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
949 pa_return_val_if_fail(i
->thread_info
.resampler
, -PA_ERR_BADSTATE
);
951 if (i
->sample_spec
.rate
== rate
)
954 i
->sample_spec
.rate
= rate
;
956 pa_asyncmsgq_post(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
), PA_SINK_INPUT_MESSAGE_SET_RATE
, PA_UINT_TO_PTR(rate
), 0, NULL
, NULL
);
958 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
962 /* Called from main context */
963 void pa_sink_input_set_name(pa_sink_input
*i
, const char *name
) {
965 pa_sink_input_assert_ref(i
);
967 if (!name
&& !pa_proplist_contains(i
->proplist
, PA_PROP_MEDIA_NAME
))
970 old
= pa_proplist_gets(i
->proplist
, PA_PROP_MEDIA_NAME
);
972 if (old
&& name
&& !strcmp(old
, name
))
976 pa_proplist_sets(i
->proplist
, PA_PROP_MEDIA_NAME
, name
);
978 pa_proplist_unset(i
->proplist
, PA_PROP_MEDIA_NAME
);
980 if (PA_SINK_INPUT_IS_LINKED(i
->state
)) {
981 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_PROPLIST_CHANGED
], i
);
982 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
986 /* Called from main context */
987 pa_resample_method_t
pa_sink_input_get_resample_method(pa_sink_input
*i
) {
988 pa_sink_input_assert_ref(i
);
990 return i
->actual_resample_method
;
993 /* Called from main context */
994 pa_bool_t
pa_sink_input_may_move(pa_sink_input
*i
) {
995 pa_sink_input_assert_ref(i
);
996 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
998 if (i
->flags
& PA_SINK_INPUT_DONT_MOVE
)
1001 if (i
->sync_next
|| i
->sync_prev
) {
1002 pa_log_warn("Moving synchronised streams not supported.");
1009 /* Called from main context */
1010 pa_bool_t
pa_sink_input_may_move_to(pa_sink_input
*i
, pa_sink
*dest
) {
1011 pa_sink_input_assert_ref(i
);
1012 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
1013 pa_sink_assert_ref(dest
);
1015 if (dest
== i
->sink
)
1018 if (!pa_sink_input_may_move(i
))
1021 if (pa_idxset_size(dest
->inputs
) >= PA_MAX_INPUTS_PER_SINK
) {
1022 pa_log_warn("Failed to move sink input: too many inputs per sink.");
1027 if (!i
->may_move_to(i
, dest
))
1033 /* Called from main context */
1034 int pa_sink_input_start_move(pa_sink_input
*i
) {
1035 pa_source_output
*o
, *p
= NULL
;
1039 pa_sink_input_assert_ref(i
);
1040 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
1043 if (!pa_sink_input_may_move(i
))
1044 return -PA_ERR_NOTSUPPORTED
;
1046 if ((r
= pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_MOVE_START
], i
)) < 0)
1051 /* Kill directly connected outputs */
1052 while ((o
= pa_idxset_first(i
->direct_outputs
, NULL
))) {
1054 pa_source_output_kill(o
);
1057 pa_assert(pa_idxset_isempty(i
->direct_outputs
));
1059 pa_idxset_remove_by_data(i
->sink
->inputs
, i
, NULL
);
1061 if (pa_sink_input_get_state(i
) == PA_SINK_INPUT_CORKED
)
1062 pa_assert_se(i
->sink
->n_corked
-- >= 1);
1064 if (i
->sink
->flags
& PA_SINK_FLAT_VOLUME
) {
1065 pa_cvolume new_volume
;
1067 /* Make the absolute volume relative */
1068 i
->virtual_volume
= i
->soft_volume
;
1069 pa_cvolume_reset(&i
->soft_volume
, i
->sample_spec
.channels
);
1071 /* We might need to update the sink's volume if we are in flat
1073 pa_sink_update_flat_volume(i
->sink
, &new_volume
);
1074 pa_sink_set_volume(i
->sink
, &new_volume
, FALSE
, FALSE
);
1077 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
->sink
), PA_SINK_MESSAGE_START_MOVE
, i
, 0, NULL
) == 0);
1079 pa_sink_update_status(i
->sink
);
1085 /* Called from main context */
1086 int pa_sink_input_finish_move(pa_sink_input
*i
, pa_sink
*dest
, pa_bool_t save
) {
1087 pa_resampler
*new_resampler
;
1089 pa_sink_input_assert_ref(i
);
1090 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
1091 pa_assert(!i
->sink
);
1092 pa_sink_assert_ref(dest
);
1094 if (!pa_sink_input_may_move_to(i
, dest
))
1095 return -PA_ERR_NOTSUPPORTED
;
1097 if (i
->thread_info
.resampler
&&
1098 pa_sample_spec_equal(pa_resampler_output_sample_spec(i
->thread_info
.resampler
), &dest
->sample_spec
) &&
1099 pa_channel_map_equal(pa_resampler_output_channel_map(i
->thread_info
.resampler
), &dest
->channel_map
))
1101 /* Try to reuse the old resampler if possible */
1102 new_resampler
= i
->thread_info
.resampler
;
1104 else if ((i
->flags
& PA_SINK_INPUT_VARIABLE_RATE
) ||
1105 !pa_sample_spec_equal(&i
->sample_spec
, &dest
->sample_spec
) ||
1106 !pa_channel_map_equal(&i
->channel_map
, &dest
->channel_map
)) {
1108 /* Okey, we need a new resampler for the new sink */
1110 if (!(new_resampler
= pa_resampler_new(
1112 &i
->sample_spec
, &i
->channel_map
,
1113 &dest
->sample_spec
, &dest
->channel_map
,
1114 i
->requested_resample_method
,
1115 ((i
->flags
& PA_SINK_INPUT_VARIABLE_RATE
) ? PA_RESAMPLER_VARIABLE_RATE
: 0) |
1116 ((i
->flags
& PA_SINK_INPUT_NO_REMAP
) ? PA_RESAMPLER_NO_REMAP
: 0) |
1117 (i
->core
->disable_remixing
|| (i
->flags
& PA_SINK_INPUT_NO_REMIX
) ? PA_RESAMPLER_NO_REMIX
: 0)))) {
1118 pa_log_warn("Unsupported resampling operation.");
1119 return -PA_ERR_NOTSUPPORTED
;
1122 new_resampler
= NULL
;
1125 i
->save_sink
= save
;
1126 pa_idxset_put(dest
->inputs
, i
, NULL
);
1128 if (pa_sink_input_get_state(i
) == PA_SINK_INPUT_CORKED
)
1129 i
->sink
->n_corked
++;
1131 /* Replace resampler and render queue */
1132 if (new_resampler
!= i
->thread_info
.resampler
) {
1134 if (i
->thread_info
.resampler
)
1135 pa_resampler_free(i
->thread_info
.resampler
);
1136 i
->thread_info
.resampler
= new_resampler
;
1138 pa_memblockq_free(i
->thread_info
.render_memblockq
);
1140 i
->thread_info
.render_memblockq
= pa_memblockq_new(
1142 MEMBLOCKQ_MAXLENGTH
,
1144 pa_frame_size(&i
->sink
->sample_spec
),
1151 pa_sink_update_status(dest
);
1153 if (i
->sink
->flags
& PA_SINK_FLAT_VOLUME
) {
1154 pa_cvolume new_volume
;
1156 /* Make relative volume absolute again */
1157 pa_cvolume t
= dest
->virtual_volume
;
1158 pa_cvolume_remap(&t
, &dest
->channel_map
, &i
->channel_map
);
1159 pa_sw_cvolume_multiply(&i
->virtual_volume
, &i
->virtual_volume
, &t
);
1161 /* We might need to update the sink's volume if we are in flat volume mode. */
1162 pa_sink_update_flat_volume(i
->sink
, &new_volume
);
1163 pa_sink_set_volume(i
->sink
, &new_volume
, FALSE
, FALSE
);
1166 pa_assert_se(pa_asyncmsgq_send(i
->sink
->asyncmsgq
, PA_MSGOBJECT(i
->sink
), PA_SINK_MESSAGE_FINISH_MOVE
, i
, 0, NULL
) == 0);
1168 pa_log_debug("Successfully moved sink input %i to %s.", i
->index
, dest
->name
);
1170 /* Notify everyone */
1174 pa_hook_fire(&i
->core
->hooks
[PA_CORE_HOOK_SINK_INPUT_MOVE_FINISH
], i
);
1175 pa_subscription_post(i
->core
, PA_SUBSCRIPTION_EVENT_SINK_INPUT
|PA_SUBSCRIPTION_EVENT_CHANGE
, i
->index
);
1180 /* Called from main context */
1181 int pa_sink_input_move_to(pa_sink_input
*i
, pa_sink
*dest
, pa_bool_t save
) {
1184 pa_sink_input_assert_ref(i
);
1185 pa_assert(PA_SINK_INPUT_IS_LINKED(i
->state
));
1187 pa_sink_assert_ref(dest
);
1189 if (dest
== i
->sink
)
1192 if (!pa_sink_input_may_move_to(i
, dest
))
1193 return -PA_ERR_NOTSUPPORTED
;
1195 if ((r
= pa_sink_input_start_move(i
)) < 0)
1198 if ((r
= pa_sink_input_finish_move(i
, dest
, save
)) < 0)
1204 /* Called from IO thread context */
1205 void pa_sink_input_set_state_within_thread(pa_sink_input
*i
, pa_sink_input_state_t state
) {
1206 pa_bool_t corking
, uncorking
;
1207 pa_sink_input_assert_ref(i
);
1209 if (state
== i
->thread_info
.state
)
1212 if ((state
== PA_SINK_INPUT_DRAINED
|| state
== PA_SINK_INPUT_RUNNING
) &&
1213 !(i
->thread_info
.state
== PA_SINK_INPUT_DRAINED
|| i
->thread_info
.state
!= PA_SINK_INPUT_RUNNING
))
1214 pa_atomic_store(&i
->thread_info
.drained
, 1);
1216 corking
= state
== PA_SINK_INPUT_CORKED
&& i
->thread_info
.state
== PA_SINK_INPUT_RUNNING
;
1217 uncorking
= i
->thread_info
.state
== PA_SINK_INPUT_CORKED
&& state
== PA_SINK_INPUT_RUNNING
;
1219 if (i
->state_change
)
1220 i
->state_change(i
, state
);
1222 i
->thread_info
.state
= state
;
1226 pa_log_debug("Requesting rewind due to corking");
1228 /* This will tell the implementing sink input driver to rewind
1229 * so that the unplayed already mixed data is not lost */
1230 pa_sink_input_request_rewind(i
, 0, TRUE
, TRUE
, FALSE
);
1232 } else if (uncorking
) {
1234 i
->thread_info
.underrun_for
= (uint64_t) -1;
1235 i
->thread_info
.playing_for
= 0;
1237 pa_log_debug("Requesting rewind due to uncorking");
1239 /* OK, we're being uncorked. Make sure we're not rewound when
1240 * the hw buffer is remixed and request a remix. */
1241 pa_sink_input_request_rewind(i
, 0, FALSE
, TRUE
, TRUE
);
1245 /* Called from thread context, except when it is not. */
1246 int pa_sink_input_process_msg(pa_msgobject
*o
, int code
, void *userdata
, int64_t offset
, pa_memchunk
*chunk
) {
1247 pa_sink_input
*i
= PA_SINK_INPUT(o
);
1248 pa_sink_input_assert_ref(i
);
1252 case PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME
:
1253 if (!pa_cvolume_equal(&i
->thread_info
.soft_volume
, &i
->soft_volume
)) {
1254 i
->thread_info
.soft_volume
= i
->soft_volume
;
1255 pa_sink_input_request_rewind(i
, 0, TRUE
, FALSE
, FALSE
);
1259 case PA_SINK_INPUT_MESSAGE_SET_SOFT_MUTE
:
1260 if (i
->thread_info
.muted
!= i
->muted
) {
1261 i
->thread_info
.muted
= i
->muted
;
1262 pa_sink_input_request_rewind(i
, 0, TRUE
, FALSE
, FALSE
);
1266 case PA_SINK_INPUT_MESSAGE_GET_LATENCY
: {
1267 pa_usec_t
*r
= userdata
;
1268 pa_usec_t sink_usec
= 0;
1270 r
[0] += pa_bytes_to_usec(pa_memblockq_get_length(i
->thread_info
.render_memblockq
), &i
->sink
->sample_spec
);
1272 if (i
->sink
->parent
.process_msg(PA_MSGOBJECT(i
->sink
), PA_SINK_MESSAGE_GET_LATENCY
, &sink_usec
, 0, NULL
) >= 0)
1278 case PA_SINK_INPUT_MESSAGE_SET_RATE
:
1280 i
->thread_info
.sample_spec
.rate
= PA_PTR_TO_UINT(userdata
);
1281 pa_resampler_set_input_rate(i
->thread_info
.resampler
, PA_PTR_TO_UINT(userdata
));
1285 case PA_SINK_INPUT_MESSAGE_SET_STATE
: {
1286 pa_sink_input
*ssync
;
1288 pa_sink_input_set_state_within_thread(i
, PA_PTR_TO_UINT(userdata
));
1290 for (ssync
= i
->thread_info
.sync_prev
; ssync
; ssync
= ssync
->thread_info
.sync_prev
)
1291 pa_sink_input_set_state_within_thread(ssync
, PA_PTR_TO_UINT(userdata
));
1293 for (ssync
= i
->thread_info
.sync_next
; ssync
; ssync
= ssync
->thread_info
.sync_next
)
1294 pa_sink_input_set_state_within_thread(ssync
, PA_PTR_TO_UINT(userdata
));
1299 case PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY
: {
1300 pa_usec_t
*usec
= userdata
;
1302 *usec
= pa_sink_input_set_requested_latency_within_thread(i
, *usec
);
1306 case PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY
: {
1307 pa_usec_t
*r
= userdata
;
1309 *r
= i
->thread_info
.requested_sink_latency
;
1314 return -PA_ERR_NOTIMPLEMENTED
;
1317 /* Called from main thread */
1318 pa_sink_input_state_t
pa_sink_input_get_state(pa_sink_input
*i
) {
1319 pa_sink_input_assert_ref(i
);
1321 if (i
->state
== PA_SINK_INPUT_RUNNING
|| i
->state
== PA_SINK_INPUT_DRAINED
)
1322 return pa_atomic_load(&i
->thread_info
.drained
) ? PA_SINK_INPUT_DRAINED
: PA_SINK_INPUT_RUNNING
;
1327 /* Called from IO context */
1328 pa_bool_t
pa_sink_input_safe_to_remove(pa_sink_input
*i
) {
1329 pa_sink_input_assert_ref(i
);
1331 if (PA_SINK_INPUT_IS_LINKED(i
->thread_info
.state
))
1332 return pa_memblockq_is_empty(i
->thread_info
.render_memblockq
);
1337 /* Called from IO context */
1338 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
) {
1341 /* If 'rewrite' is TRUE the sink is rewound as far as requested
1342 * and possible and the exact value of this is passed back the
1343 * implementor via process_rewind(). If 'flush' is also TRUE all
1344 * already rendered data is also dropped.
1346 * If 'rewrite' is FALSE the sink is rewound as far as requested
1347 * and possible and the already rendered data is dropped so that
1348 * in the next iteration we read new data from the
1349 * implementor. This implies 'flush' is TRUE. If
1350 * dont_rewind_render is TRUE then the render memblockq is not
1353 pa_sink_input_assert_ref(i
);
1355 nbytes
= PA_MAX(i
->thread_info
.rewrite_nbytes
, nbytes
);
1357 /* pa_log_debug("request rewrite %lu", (unsigned long) nbytes); */
1359 /* We don't take rewind requests while we are corked */
1360 if (i
->thread_info
.state
== PA_SINK_INPUT_CORKED
)
1363 pa_assert(rewrite
|| flush
);
1364 pa_assert(!dont_rewind_render
|| !rewrite
);
1366 /* Calculate how much we can rewind locally without having to
1369 lbq
= pa_memblockq_get_length(i
->thread_info
.render_memblockq
);
1373 /* Check if rewinding for the maximum is requested, and if so, fix up */
1376 /* Calculate maximum number of bytes that could be rewound in theory */
1377 nbytes
= i
->sink
->thread_info
.max_rewind
+ lbq
;
1379 /* Transform from sink domain */
1380 if (i
->thread_info
.resampler
)
1381 nbytes
= pa_resampler_request(i
->thread_info
.resampler
, nbytes
);
1384 if (i
->thread_info
.rewrite_nbytes
!= (size_t) -1) {
1386 /* Make sure to not overwrite over underruns */
1387 if (nbytes
> i
->thread_info
.playing_for
)
1388 nbytes
= (size_t) i
->thread_info
.playing_for
;
1390 i
->thread_info
.rewrite_nbytes
= nbytes
;
1392 i
->thread_info
.rewrite_nbytes
= (size_t) -1;
1395 i
->thread_info
.rewrite_flush
=
1396 i
->thread_info
.rewrite_flush
||
1397 (flush
&& i
->thread_info
.rewrite_nbytes
!= 0);
1399 i
->thread_info
.dont_rewind_render
=
1400 i
->thread_info
.dont_rewind_render
||
1403 if (nbytes
!= (size_t) -1) {
1405 /* Transform to sink domain */
1406 if (i
->thread_info
.resampler
)
1407 nbytes
= pa_resampler_result(i
->thread_info
.resampler
, nbytes
);
1410 pa_sink_request_rewind(i
->sink
, nbytes
- lbq
);
1412 /* This call will make sure process_rewind() is called later */
1413 pa_sink_request_rewind(i
->sink
, 0);
1417 /* Called from main context */
1418 pa_memchunk
* pa_sink_input_get_silence(pa_sink_input
*i
, pa_memchunk
*ret
) {
1419 pa_sink_input_assert_ref(i
);
1422 pa_silence_memchunk_get(
1423 &i
->core
->silence_cache
,
1427 i
->thread_info
.resampler
? pa_resampler_max_block_size(i
->thread_info
.resampler
) : 0);