LCOV - code coverage report
Current view: top level - pulsecore - sink.c (source / functions) Hit Total Coverage
Test: lcov.out Lines: 1 1822 0.1 %
Date: 2012-07-17 Functions: 1 112 0.9 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 1 1723 0.1 %

           Branch data     Line data    Source code
       1                 :            : /***
       2                 :            :   This file is part of PulseAudio.
       3                 :            : 
       4                 :            :   Copyright 2004-2006 Lennart Poettering
       5                 :            :   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
       6                 :            : 
       7                 :            :   PulseAudio is free software; you can redistribute it and/or modify
       8                 :            :   it under the terms of the GNU Lesser General Public License as published
       9                 :            :   by the Free Software Foundation; either version 2.1 of the License,
      10                 :            :   or (at your option) any later version.
      11                 :            : 
      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.
      16                 :            : 
      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
      20                 :            :   USA.
      21                 :            : ***/
      22                 :            : 
      23                 :            : #ifdef HAVE_CONFIG_H
      24                 :            : #include <config.h>
      25                 :            : #endif
      26                 :            : 
      27                 :            : #include <stdio.h>
      28                 :            : #include <stdlib.h>
      29                 :            : #include <string.h>
      30                 :            : 
      31                 :            : #include <pulse/introspect.h>
      32                 :            : #include <pulse/format.h>
      33                 :            : #include <pulse/utf8.h>
      34                 :            : #include <pulse/xmalloc.h>
      35                 :            : #include <pulse/timeval.h>
      36                 :            : #include <pulse/util.h>
      37                 :            : #include <pulse/rtclock.h>
      38                 :            : #include <pulse/internal.h>
      39                 :            : 
      40                 :            : #include <pulsecore/i18n.h>
      41                 :            : #include <pulsecore/sink-input.h>
      42                 :            : #include <pulsecore/namereg.h>
      43                 :            : #include <pulsecore/core-util.h>
      44                 :            : #include <pulsecore/sample-util.h>
      45                 :            : #include <pulsecore/core-subscribe.h>
      46                 :            : #include <pulsecore/log.h>
      47                 :            : #include <pulsecore/macro.h>
      48                 :            : #include <pulsecore/play-memblockq.h>
      49                 :            : #include <pulsecore/flist.h>
      50                 :            : 
      51                 :            : #include "sink.h"
      52                 :            : 
      53                 :            : #define MAX_MIX_CHANNELS 32
      54                 :            : #define MIX_BUFFER_LENGTH (PA_PAGE_SIZE)
      55                 :            : #define ABSOLUTE_MIN_LATENCY (500)
      56                 :            : #define ABSOLUTE_MAX_LATENCY (10*PA_USEC_PER_SEC)
      57                 :            : #define DEFAULT_FIXED_LATENCY (250*PA_USEC_PER_MSEC)
      58                 :            : 
      59         [ #  # ]:          0 : PA_DEFINE_PUBLIC_CLASS(pa_sink, pa_msgobject);
      60                 :            : 
      61                 :            : struct pa_sink_volume_change {
      62                 :            :     pa_usec_t at;
      63                 :            :     pa_cvolume hw_volume;
      64                 :            : 
      65                 :            :     PA_LLIST_FIELDS(pa_sink_volume_change);
      66                 :            : };
      67                 :            : 
      68                 :            : struct sink_message_set_port {
      69                 :            :     pa_device_port *port;
      70                 :            :     int ret;
      71                 :            : };
      72                 :            : 
      73                 :            : static void sink_free(pa_object *s);
      74                 :            : 
      75                 :            : static void pa_sink_volume_change_push(pa_sink *s);
      76                 :            : static void pa_sink_volume_change_flush(pa_sink *s);
      77                 :            : static void pa_sink_volume_change_rewind(pa_sink *s, size_t nbytes);
      78                 :            : 
      79                 :          0 : pa_sink_new_data* pa_sink_new_data_init(pa_sink_new_data *data) {
      80         [ #  # ]:          0 :     pa_assert(data);
      81                 :            : 
      82                 :            :     pa_zero(*data);
      83                 :          0 :     data->proplist = pa_proplist_new();
      84                 :          0 :     data->ports = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
      85                 :            : 
      86                 :          0 :     return data;
      87                 :            : }
      88                 :            : 
      89                 :          0 : void pa_sink_new_data_set_name(pa_sink_new_data *data, const char *name) {
      90         [ #  # ]:          0 :     pa_assert(data);
      91                 :            : 
      92                 :          0 :     pa_xfree(data->name);
      93                 :          0 :     data->name = pa_xstrdup(name);
      94                 :          0 : }
      95                 :            : 
      96                 :          0 : void pa_sink_new_data_set_sample_spec(pa_sink_new_data *data, const pa_sample_spec *spec) {
      97         [ #  # ]:          0 :     pa_assert(data);
      98                 :            : 
      99         [ #  # ]:          0 :     if ((data->sample_spec_is_set = !!spec))
     100                 :          0 :         data->sample_spec = *spec;
     101                 :          0 : }
     102                 :            : 
     103                 :          0 : void pa_sink_new_data_set_channel_map(pa_sink_new_data *data, const pa_channel_map *map) {
     104         [ #  # ]:          0 :     pa_assert(data);
     105                 :            : 
     106         [ #  # ]:          0 :     if ((data->channel_map_is_set = !!map))
     107                 :          0 :         data->channel_map = *map;
     108                 :          0 : }
     109                 :            : 
     110                 :          0 : void pa_sink_new_data_set_alternate_sample_rate(pa_sink_new_data *data, const uint32_t alternate_sample_rate) {
     111         [ #  # ]:          0 :     pa_assert(data);
     112                 :            : 
     113                 :          0 :     data->alternate_sample_rate_is_set = TRUE;
     114                 :          0 :     data->alternate_sample_rate = alternate_sample_rate;
     115                 :          0 : }
     116                 :            : 
     117                 :          0 : void pa_sink_new_data_set_volume(pa_sink_new_data *data, const pa_cvolume *volume) {
     118         [ #  # ]:          0 :     pa_assert(data);
     119                 :            : 
     120         [ #  # ]:          0 :     if ((data->volume_is_set = !!volume))
     121                 :          0 :         data->volume = *volume;
     122                 :          0 : }
     123                 :            : 
     124                 :          0 : void pa_sink_new_data_set_muted(pa_sink_new_data *data, pa_bool_t mute) {
     125         [ #  # ]:          0 :     pa_assert(data);
     126                 :            : 
     127                 :          0 :     data->muted_is_set = TRUE;
     128                 :          0 :     data->muted = !!mute;
     129                 :          0 : }
     130                 :            : 
     131                 :          0 : void pa_sink_new_data_set_port(pa_sink_new_data *data, const char *port) {
     132         [ #  # ]:          0 :     pa_assert(data);
     133                 :            : 
     134                 :          0 :     pa_xfree(data->active_port);
     135                 :          0 :     data->active_port = pa_xstrdup(port);
     136                 :          0 : }
     137                 :            : 
     138                 :          0 : void pa_sink_new_data_done(pa_sink_new_data *data) {
     139         [ #  # ]:          0 :     pa_assert(data);
     140                 :            : 
     141                 :          0 :     pa_proplist_free(data->proplist);
     142                 :            : 
     143         [ #  # ]:          0 :     if (data->ports)
     144                 :          0 :         pa_device_port_hashmap_free(data->ports);
     145                 :            : 
     146                 :          0 :     pa_xfree(data->name);
     147                 :          0 :     pa_xfree(data->active_port);
     148                 :          0 : }
     149                 :            : 
     150                 :            : 
     151                 :            : /* Called from main context */
     152                 :          0 : static void reset_callbacks(pa_sink *s) {
     153         [ #  # ]:          0 :     pa_assert(s);
     154                 :            : 
     155                 :          0 :     s->set_state = NULL;
     156                 :          0 :     s->get_volume = NULL;
     157                 :          0 :     s->set_volume = NULL;
     158                 :          0 :     s->write_volume = NULL;
     159                 :          0 :     s->get_mute = NULL;
     160                 :          0 :     s->set_mute = NULL;
     161                 :          0 :     s->request_rewind = NULL;
     162                 :          0 :     s->update_requested_latency = NULL;
     163                 :          0 :     s->set_port = NULL;
     164                 :          0 :     s->get_formats = NULL;
     165                 :          0 :     s->set_formats = NULL;
     166                 :          0 :     s->update_rate = NULL;
     167                 :          0 : }
     168                 :            : 
     169                 :            : /* Called from main context */
     170                 :          0 : pa_sink* pa_sink_new(
     171                 :            :         pa_core *core,
     172                 :            :         pa_sink_new_data *data,
     173                 :            :         pa_sink_flags_t flags) {
     174                 :            : 
     175                 :            :     pa_sink *s;
     176                 :            :     const char *name;
     177                 :            :     char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
     178                 :            :     pa_source_new_data source_data;
     179                 :            :     const char *dn;
     180                 :            :     char *pt;
     181                 :            : 
     182         [ #  # ]:          0 :     pa_assert(core);
     183         [ #  # ]:          0 :     pa_assert(data);
     184         [ #  # ]:          0 :     pa_assert(data->name);
     185         [ #  # ]:          0 :     pa_assert_ctl_context();
     186                 :            : 
     187                 :          0 :     s = pa_msgobject_new(pa_sink);
     188                 :            : 
     189         [ #  # ]:          0 :     if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SINK, s, data->namereg_fail))) {
     190                 :          0 :         pa_log_debug("Failed to register name %s.", data->name);
     191                 :          0 :         pa_xfree(s);
     192                 :          0 :         return NULL;
     193                 :            :     }
     194                 :            : 
     195                 :          0 :     pa_sink_new_data_set_name(data, name);
     196                 :            : 
     197         [ #  # ]:          0 :     if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_NEW], data) < 0) {
     198                 :          0 :         pa_xfree(s);
     199                 :          0 :         pa_namereg_unregister(core, name);
     200                 :          0 :         return NULL;
     201                 :            :     }
     202                 :            : 
     203                 :            :     /* FIXME, need to free s here on failure */
     204                 :            : 
     205 [ #  # ][ #  # ]:          0 :     pa_return_null_if_fail(!data->driver || pa_utf8_valid(data->driver));
     206 [ #  # ][ #  # ]:          0 :     pa_return_null_if_fail(data->name && pa_utf8_valid(data->name) && data->name[0]);
         [ #  # ][ #  # ]
     207                 :            : 
     208 [ #  # ][ #  # ]:          0 :     pa_return_null_if_fail(data->sample_spec_is_set && pa_sample_spec_valid(&data->sample_spec));
     209                 :            : 
     210         [ #  # ]:          0 :     if (!data->channel_map_is_set)
     211         [ #  # ]:          0 :         pa_return_null_if_fail(pa_channel_map_init_auto(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT));
     212                 :            : 
     213         [ #  # ]:          0 :     pa_return_null_if_fail(pa_channel_map_valid(&data->channel_map));
     214         [ #  # ]:          0 :     pa_return_null_if_fail(data->channel_map.channels == data->sample_spec.channels);
     215                 :            : 
     216                 :            :     /* FIXME: There should probably be a general function for checking whether
     217                 :            :      * the sink volume is allowed to be set, like there is for sink inputs. */
     218 [ #  # ][ #  # ]:          0 :     pa_assert(!data->volume_is_set || !(flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
     219                 :            : 
     220         [ #  # ]:          0 :     if (!data->volume_is_set) {
     221                 :          0 :         pa_cvolume_reset(&data->volume, data->sample_spec.channels);
     222                 :          0 :         data->save_volume = FALSE;
     223                 :            :     }
     224                 :            : 
     225         [ #  # ]:          0 :     pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
     226         [ #  # ]:          0 :     pa_return_null_if_fail(pa_cvolume_compatible(&data->volume, &data->sample_spec));
     227                 :            : 
     228         [ #  # ]:          0 :     if (!data->muted_is_set)
     229                 :          0 :         data->muted = FALSE;
     230                 :            : 
     231         [ #  # ]:          0 :     if (data->card)
     232                 :          0 :         pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->card->proplist);
     233                 :            : 
     234                 :          0 :     pa_device_init_description(data->proplist);
     235                 :          0 :     pa_device_init_icon(data->proplist, TRUE);
     236                 :          0 :     pa_device_init_intended_roles(data->proplist);
     237                 :            : 
     238         [ #  # ]:          0 :     if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_FIXATE], data) < 0) {
     239                 :          0 :         pa_xfree(s);
     240                 :          0 :         pa_namereg_unregister(core, name);
     241                 :          0 :         return NULL;
     242                 :            :     }
     243                 :            : 
     244                 :          0 :     s->parent.parent.free = sink_free;
     245                 :          0 :     s->parent.process_msg = pa_sink_process_msg;
     246                 :            : 
     247                 :          0 :     s->core = core;
     248                 :          0 :     s->state = PA_SINK_INIT;
     249                 :          0 :     s->flags = flags;
     250                 :          0 :     s->priority = 0;
     251                 :          0 :     s->suspend_cause = 0;
     252                 :          0 :     pa_sink_set_mixer_dirty(s, FALSE);
     253                 :          0 :     s->name = pa_xstrdup(name);
     254                 :          0 :     s->proplist = pa_proplist_copy(data->proplist);
     255                 :          0 :     s->driver = pa_xstrdup(pa_path_get_filename(data->driver));
     256                 :          0 :     s->module = data->module;
     257                 :          0 :     s->card = data->card;
     258                 :            : 
     259                 :          0 :     s->priority = pa_device_init_priority(s->proplist);
     260                 :            : 
     261                 :          0 :     s->sample_spec = data->sample_spec;
     262                 :          0 :     s->channel_map = data->channel_map;
     263                 :          0 :     s->default_sample_rate = s->sample_spec.rate;
     264                 :            : 
     265         [ #  # ]:          0 :     if (data->alternate_sample_rate_is_set)
     266                 :          0 :         s->alternate_sample_rate = data->alternate_sample_rate;
     267                 :            :     else
     268                 :          0 :         s->alternate_sample_rate = s->core->alternate_sample_rate;
     269                 :            : 
     270         [ #  # ]:          0 :     if (s->sample_spec.rate == s->alternate_sample_rate) {
     271                 :          0 :         pa_log_warn("Default and alternate sample rates are the same.");
     272                 :          0 :         s->alternate_sample_rate = 0;
     273                 :            :     }
     274                 :            : 
     275                 :          0 :     s->inputs = pa_idxset_new(NULL, NULL);
     276                 :          0 :     s->n_corked = 0;
     277                 :          0 :     s->input_to_master = NULL;
     278                 :            : 
     279                 :          0 :     s->reference_volume = s->real_volume = data->volume;
     280                 :          0 :     pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
     281                 :          0 :     s->base_volume = PA_VOLUME_NORM;
     282                 :          0 :     s->n_volume_steps = PA_VOLUME_NORM+1;
     283                 :          0 :     s->muted = data->muted;
     284                 :          0 :     s->refresh_volume = s->refresh_muted = FALSE;
     285                 :            : 
     286                 :          0 :     reset_callbacks(s);
     287                 :          0 :     s->userdata = NULL;
     288                 :            : 
     289                 :          0 :     s->asyncmsgq = NULL;
     290                 :            : 
     291                 :            :     /* As a minor optimization we just steal the list instead of
     292                 :            :      * copying it here */
     293                 :          0 :     s->ports = data->ports;
     294                 :          0 :     data->ports = NULL;
     295                 :            : 
     296                 :          0 :     s->active_port = NULL;
     297                 :          0 :     s->save_port = FALSE;
     298                 :            : 
     299         [ #  # ]:          0 :     if (data->active_port)
     300         [ #  # ]:          0 :         if ((s->active_port = pa_hashmap_get(s->ports, data->active_port)))
     301                 :          0 :             s->save_port = data->save_port;
     302                 :            : 
     303         [ #  # ]:          0 :     if (!s->active_port) {
     304                 :            :         void *state;
     305                 :            :         pa_device_port *p;
     306                 :            : 
     307         [ #  # ]:          0 :         PA_HASHMAP_FOREACH(p, s->ports, state)
     308 [ #  # ][ #  # ]:          0 :             if (!s->active_port || p->priority > s->active_port->priority)
     309                 :          0 :                 s->active_port = p;
     310                 :            :     }
     311                 :            : 
     312         [ #  # ]:          0 :     if (s->active_port)
     313                 :          0 :         s->latency_offset = s->active_port->latency_offset;
     314                 :            :     else
     315                 :          0 :         s->latency_offset = 0;
     316                 :            : 
     317                 :          0 :     s->save_volume = data->save_volume;
     318                 :          0 :     s->save_muted = data->save_muted;
     319                 :            : 
     320                 :          0 :     pa_silence_memchunk_get(
     321                 :            :             &core->silence_cache,
     322                 :            :             core->mempool,
     323                 :            :             &s->silence,
     324                 :          0 :             &s->sample_spec,
     325                 :            :             0);
     326                 :            : 
     327                 :          0 :     s->thread_info.rtpoll = NULL;
     328                 :          0 :     s->thread_info.inputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
     329                 :          0 :     s->thread_info.soft_volume =  s->soft_volume;
     330                 :          0 :     s->thread_info.soft_muted = s->muted;
     331                 :          0 :     s->thread_info.state = s->state;
     332                 :          0 :     s->thread_info.rewind_nbytes = 0;
     333                 :          0 :     s->thread_info.rewind_requested = FALSE;
     334                 :          0 :     s->thread_info.max_rewind = 0;
     335                 :          0 :     s->thread_info.max_request = 0;
     336                 :          0 :     s->thread_info.requested_latency_valid = FALSE;
     337                 :          0 :     s->thread_info.requested_latency = 0;
     338                 :          0 :     s->thread_info.min_latency = ABSOLUTE_MIN_LATENCY;
     339                 :          0 :     s->thread_info.max_latency = ABSOLUTE_MAX_LATENCY;
     340         [ #  # ]:          0 :     s->thread_info.fixed_latency = flags & PA_SINK_DYNAMIC_LATENCY ? 0 : DEFAULT_FIXED_LATENCY;
     341                 :            : 
     342                 :          0 :     PA_LLIST_HEAD_INIT(pa_sink_volume_change, s->thread_info.volume_changes);
     343                 :          0 :     s->thread_info.volume_changes_tail = NULL;
     344                 :          0 :     pa_sw_cvolume_multiply(&s->thread_info.current_hw_volume, &s->soft_volume, &s->real_volume);
     345                 :          0 :     s->thread_info.volume_change_safety_margin = core->deferred_volume_safety_margin_usec;
     346                 :          0 :     s->thread_info.volume_change_extra_delay = core->deferred_volume_extra_delay_usec;
     347                 :          0 :     s->thread_info.latency_offset = s->latency_offset;
     348                 :            : 
     349                 :            :     /* FIXME: This should probably be moved to pa_sink_put() */
     350         [ #  # ]:          0 :     pa_assert_se(pa_idxset_put(core->sinks, s, &s->index) >= 0);
     351                 :            : 
     352         [ #  # ]:          0 :     if (s->card)
     353         [ #  # ]:          0 :         pa_assert_se(pa_idxset_put(s->card->sinks, s, NULL) >= 0);
     354                 :            : 
     355                 :          0 :     pt = pa_proplist_to_string_sep(s->proplist, "\n    ");
     356                 :          0 :     pa_log_info("Created sink %u \"%s\" with sample spec %s and channel map %s\n    %s",
     357                 :            :                 s->index,
     358                 :            :                 s->name,
     359                 :            :                 pa_sample_spec_snprint(st, sizeof(st), &s->sample_spec),
     360                 :            :                 pa_channel_map_snprint(cm, sizeof(cm), &s->channel_map),
     361                 :            :                 pt);
     362                 :          0 :     pa_xfree(pt);
     363                 :            : 
     364                 :          0 :     pa_source_new_data_init(&source_data);
     365                 :          0 :     pa_source_new_data_set_sample_spec(&source_data, &s->sample_spec);
     366                 :          0 :     pa_source_new_data_set_channel_map(&source_data, &s->channel_map);
     367                 :          0 :     pa_source_new_data_set_alternate_sample_rate(&source_data, s->alternate_sample_rate);
     368                 :          0 :     source_data.name = pa_sprintf_malloc("%s.monitor", name);
     369                 :          0 :     source_data.driver = data->driver;
     370                 :          0 :     source_data.module = data->module;
     371                 :          0 :     source_data.card = data->card;
     372                 :            : 
     373                 :          0 :     dn = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
     374         [ #  # ]:          0 :     pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Monitor of %s", dn ? dn : s->name);
     375                 :          0 :     pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "monitor");
     376                 :            : 
     377                 :          0 :     s->monitor_source = pa_source_new(core, &source_data,
     378                 :          0 :                                       ((flags & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
     379         [ #  # ]:          0 :                                       ((flags & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0));
     380                 :            : 
     381                 :          0 :     pa_source_new_data_done(&source_data);
     382                 :            : 
     383         [ #  # ]:          0 :     if (!s->monitor_source) {
     384                 :          0 :         pa_sink_unlink(s);
     385                 :          0 :         pa_sink_unref(s);
     386                 :          0 :         return NULL;
     387                 :            :     }
     388                 :            : 
     389                 :          0 :     s->monitor_source->monitor_of = s;
     390                 :            : 
     391                 :          0 :     pa_source_set_latency_range(s->monitor_source, s->thread_info.min_latency, s->thread_info.max_latency);
     392                 :          0 :     pa_source_set_fixed_latency(s->monitor_source, s->thread_info.fixed_latency);
     393                 :          0 :     pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
     394                 :            : 
     395                 :          0 :     return s;
     396                 :            : }
     397                 :            : 
     398                 :            : /* Called from main context */
     399                 :          0 : static int sink_set_state(pa_sink *s, pa_sink_state_t state) {
     400                 :            :     int ret;
     401                 :            :     pa_bool_t suspend_change;
     402                 :            :     pa_sink_state_t original_state;
     403                 :            : 
     404         [ #  # ]:          0 :     pa_assert(s);
     405         [ #  # ]:          0 :     pa_assert_ctl_context();
     406                 :            : 
     407         [ #  # ]:          0 :     if (s->state == state)
     408                 :            :         return 0;
     409                 :            : 
     410                 :          0 :     original_state = s->state;
     411                 :            : 
     412                 :          0 :     suspend_change =
     413 [ #  # ][ #  # ]:          0 :         (original_state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(state)) ||
                 [ #  # ]
     414         [ #  # ]:          0 :         (PA_SINK_IS_OPENED(original_state) && state == PA_SINK_SUSPENDED);
     415                 :            : 
     416         [ #  # ]:          0 :     if (s->set_state)
     417         [ #  # ]:          0 :         if ((ret = s->set_state(s, state)) < 0)
     418                 :            :             return ret;
     419                 :            : 
     420         [ #  # ]:          0 :     if (s->asyncmsgq)
     421         [ #  # ]:          0 :         if ((ret = pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL)) < 0) {
     422                 :            : 
     423         [ #  # ]:          0 :             if (s->set_state)
     424                 :          0 :                 s->set_state(s, original_state);
     425                 :            : 
     426                 :            :             return ret;
     427                 :            :         }
     428                 :            : 
     429                 :          0 :     s->state = state;
     430                 :            : 
     431         [ #  # ]:          0 :     if (state != PA_SINK_UNLINKED) { /* if we enter UNLINKED state pa_sink_unlink() will fire the appropriate events */
     432                 :          0 :         pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], s);
     433                 :          0 :         pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
     434                 :            :     }
     435                 :            : 
     436         [ #  # ]:          0 :     if (suspend_change) {
     437                 :            :         pa_sink_input *i;
     438                 :            :         uint32_t idx;
     439                 :            : 
     440                 :            :         /* We're suspending or resuming, tell everyone about it */
     441                 :            : 
     442         [ #  # ]:          0 :         PA_IDXSET_FOREACH(i, s->inputs, idx)
     443 [ #  # ][ #  # ]:          0 :             if (s->state == PA_SINK_SUSPENDED &&
     444                 :          0 :                 (i->flags & PA_SINK_INPUT_KILL_ON_SUSPEND))
     445                 :          0 :                 pa_sink_input_kill(i);
     446         [ #  # ]:          0 :             else if (i->suspend)
     447                 :          0 :                 i->suspend(i, state == PA_SINK_SUSPENDED);
     448                 :            : 
     449         [ #  # ]:          0 :         if (s->monitor_source)
     450                 :          0 :             pa_source_sync_suspend(s->monitor_source);
     451                 :            :     }
     452                 :            : 
     453                 :            :     return 0;
     454                 :            : }
     455                 :            : 
     456                 :          0 : void pa_sink_set_get_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
     457         [ #  # ]:          0 :     pa_assert(s);
     458                 :            : 
     459                 :          0 :     s->get_volume = cb;
     460                 :          0 : }
     461                 :            : 
     462                 :          0 : void pa_sink_set_set_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
     463                 :            :     pa_sink_flags_t flags;
     464                 :            : 
     465         [ #  # ]:          0 :     pa_assert(s);
     466         [ #  # ]:          0 :     pa_assert(!s->write_volume || cb);
     467                 :            : 
     468                 :          0 :     s->set_volume = cb;
     469                 :            : 
     470                 :            :     /* Save the current flags so we can tell if they've changed */
     471                 :          0 :     flags = s->flags;
     472                 :            : 
     473         [ #  # ]:          0 :     if (cb) {
     474                 :            :         /* The sink implementor is responsible for setting decibel volume support */
     475                 :          0 :         s->flags |= PA_SINK_HW_VOLUME_CTRL;
     476                 :            :     } else {
     477                 :          0 :         s->flags &= ~PA_SINK_HW_VOLUME_CTRL;
     478                 :            :         /* See note below in pa_sink_put() about volume sharing and decibel volumes */
     479                 :          0 :         pa_sink_enable_decibel_volume(s, !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
     480                 :            :     }
     481                 :            : 
     482                 :            :     /* If the flags have changed after init, let any clients know via a change event */
     483 [ #  # ][ #  # ]:          0 :     if (s->state != PA_SINK_INIT && flags != s->flags)
     484                 :          0 :         pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
     485                 :          0 : }
     486                 :            : 
     487                 :          0 : void pa_sink_set_write_volume_callback(pa_sink *s, pa_sink_cb_t cb) {
     488                 :            :     pa_sink_flags_t flags;
     489                 :            : 
     490         [ #  # ]:          0 :     pa_assert(s);
     491 [ #  # ][ #  # ]:          0 :     pa_assert(!cb || s->set_volume);
     492                 :            : 
     493                 :          0 :     s->write_volume = cb;
     494                 :            : 
     495                 :            :     /* Save the current flags so we can tell if they've changed */
     496                 :          0 :     flags = s->flags;
     497                 :            : 
     498         [ #  # ]:          0 :     if (cb)
     499                 :          0 :         s->flags |= PA_SINK_DEFERRED_VOLUME;
     500                 :            :     else
     501                 :          0 :         s->flags &= ~PA_SINK_DEFERRED_VOLUME;
     502                 :            : 
     503                 :            :     /* If the flags have changed after init, let any clients know via a change event */
     504 [ #  # ][ #  # ]:          0 :     if (s->state != PA_SINK_INIT && flags != s->flags)
     505                 :          0 :         pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
     506                 :          0 : }
     507                 :            : 
     508                 :          0 : void pa_sink_set_get_mute_callback(pa_sink *s, pa_sink_cb_t cb) {
     509         [ #  # ]:          0 :     pa_assert(s);
     510                 :            : 
     511                 :          0 :     s->get_mute = cb;
     512                 :          0 : }
     513                 :            : 
     514                 :          0 : void pa_sink_set_set_mute_callback(pa_sink *s, pa_sink_cb_t cb) {
     515                 :            :     pa_sink_flags_t flags;
     516                 :            : 
     517         [ #  # ]:          0 :     pa_assert(s);
     518                 :            : 
     519                 :          0 :     s->set_mute = cb;
     520                 :            : 
     521                 :            :     /* Save the current flags so we can tell if they've changed */
     522                 :          0 :     flags = s->flags;
     523                 :            : 
     524         [ #  # ]:          0 :     if (cb)
     525                 :          0 :         s->flags |= PA_SINK_HW_MUTE_CTRL;
     526                 :            :     else
     527                 :          0 :         s->flags &= ~PA_SINK_HW_MUTE_CTRL;
     528                 :            : 
     529                 :            :     /* If the flags have changed after init, let any clients know via a change event */
     530 [ #  # ][ #  # ]:          0 :     if (s->state != PA_SINK_INIT && flags != s->flags)
     531                 :          0 :         pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
     532                 :          0 : }
     533                 :            : 
     534                 :          0 : static void enable_flat_volume(pa_sink *s, pa_bool_t enable) {
     535                 :            :     pa_sink_flags_t flags;
     536                 :            : 
     537         [ #  # ]:          0 :     pa_assert(s);
     538                 :            : 
     539                 :            :     /* Always follow the overall user preference here */
     540 [ #  # ][ #  # ]:          0 :     enable = enable && s->core->flat_volumes;
     541                 :            : 
     542                 :            :     /* Save the current flags so we can tell if they've changed */
     543                 :          0 :     flags = s->flags;
     544                 :            : 
     545         [ #  # ]:          0 :     if (enable)
     546                 :          0 :         s->flags |= PA_SINK_FLAT_VOLUME;
     547                 :            :     else
     548                 :          0 :         s->flags &= ~PA_SINK_FLAT_VOLUME;
     549                 :            : 
     550                 :            :     /* If the flags have changed after init, let any clients know via a change event */
     551 [ #  # ][ #  # ]:          0 :     if (s->state != PA_SINK_INIT && flags != s->flags)
     552                 :          0 :         pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
     553                 :          0 : }
     554                 :            : 
     555                 :          0 : void pa_sink_enable_decibel_volume(pa_sink *s, pa_bool_t enable) {
     556                 :            :     pa_sink_flags_t flags;
     557                 :            : 
     558         [ #  # ]:          0 :     pa_assert(s);
     559                 :            : 
     560                 :            :     /* Save the current flags so we can tell if they've changed */
     561                 :          0 :     flags = s->flags;
     562                 :            : 
     563         [ #  # ]:          0 :     if (enable) {
     564                 :          0 :         s->flags |= PA_SINK_DECIBEL_VOLUME;
     565                 :          0 :         enable_flat_volume(s, TRUE);
     566                 :            :     } else {
     567                 :          0 :         s->flags &= ~PA_SINK_DECIBEL_VOLUME;
     568                 :          0 :         enable_flat_volume(s, FALSE);
     569                 :            :     }
     570                 :            : 
     571                 :            :     /* If the flags have changed after init, let any clients know via a change event */
     572 [ #  # ][ #  # ]:          0 :     if (s->state != PA_SINK_INIT && flags != s->flags)
     573                 :          0 :         pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
     574                 :          0 : }
     575                 :            : 
     576                 :            : /* Called from main context */
     577                 :          0 : void pa_sink_put(pa_sink* s) {
     578                 :          0 :     pa_sink_assert_ref(s);
     579         [ #  # ]:          0 :     pa_assert_ctl_context();
     580                 :            : 
     581         [ #  # ]:          0 :     pa_assert(s->state == PA_SINK_INIT);
     582 [ #  # ][ #  # ]:          0 :     pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || s->input_to_master);
     583                 :            : 
     584                 :            :     /* The following fields must be initialized properly when calling _put() */
     585         [ #  # ]:          0 :     pa_assert(s->asyncmsgq);
     586         [ #  # ]:          0 :     pa_assert(s->thread_info.min_latency <= s->thread_info.max_latency);
     587                 :            : 
     588                 :            :     /* Generally, flags should be initialized via pa_sink_new(). As a
     589                 :            :      * special exception we allow some volume related flags to be set
     590                 :            :      * between _new() and _put() by the callback setter functions above.
     591                 :            :      *
     592                 :            :      * Thus we implement a couple safeguards here which ensure the above
     593                 :            :      * setters were used (or at least the implementor made manual changes
     594                 :            :      * in a compatible way).
     595                 :            :      *
     596                 :            :      * Note: All of these flags set here can change over the life time
     597                 :            :      * of the sink. */
     598 [ #  # ][ #  # ]:          0 :     pa_assert(!(s->flags & PA_SINK_HW_VOLUME_CTRL) || s->set_volume);
     599 [ #  # ][ #  # ]:          0 :     pa_assert(!(s->flags & PA_SINK_DEFERRED_VOLUME) || s->write_volume);
     600 [ #  # ][ #  # ]:          0 :     pa_assert(!(s->flags & PA_SINK_HW_MUTE_CTRL) || s->set_mute);
     601                 :            : 
     602                 :            :     /* XXX: Currently decibel volume is disabled for all sinks that use volume
     603                 :            :      * sharing. When the master sink supports decibel volume, it would be good
     604                 :            :      * to have the flag also in the filter sink, but currently we don't do that
     605                 :            :      * so that the flags of the filter sink never change when it's moved from
     606                 :            :      * a master sink to another. One solution for this problem would be to
     607                 :            :      * remove user-visible volume altogether from filter sinks when volume
     608                 :            :      * sharing is used, but the current approach was easier to implement... */
     609                 :            :     /* We always support decibel volumes in software, otherwise we leave it to
     610                 :            :      * the sink implementor to set this flag as needed.
     611                 :            :      *
     612                 :            :      * Note: This flag can also change over the life time of the sink. */
     613         [ #  # ]:          0 :     if (!(s->flags & PA_SINK_HW_VOLUME_CTRL) && !(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
     614                 :          0 :         pa_sink_enable_decibel_volume(s, TRUE);
     615                 :            : 
     616                 :            :     /* If the sink implementor support DB volumes by itself, we should always
     617                 :            :      * try and enable flat volumes too */
     618         [ #  # ]:          0 :     if ((s->flags & PA_SINK_DECIBEL_VOLUME))
     619                 :          0 :         enable_flat_volume(s, TRUE);
     620                 :            : 
     621         [ #  # ]:          0 :     if (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) {
     622                 :          0 :         pa_sink *root_sink = pa_sink_get_master(s);
     623                 :            : 
     624         [ #  # ]:          0 :         pa_assert(root_sink);
     625                 :            : 
     626                 :          0 :         s->reference_volume = root_sink->reference_volume;
     627                 :          0 :         pa_cvolume_remap(&s->reference_volume, &root_sink->channel_map, &s->channel_map);
     628                 :            : 
     629                 :          0 :         s->real_volume = root_sink->real_volume;
     630                 :          0 :         pa_cvolume_remap(&s->real_volume, &root_sink->channel_map, &s->channel_map);
     631                 :            :     } else
     632                 :            :         /* We assume that if the sink implementor changed the default
     633                 :            :          * volume he did so in real_volume, because that is the usual
     634                 :            :          * place where he is supposed to place his changes.  */
     635                 :          0 :         s->reference_volume = s->real_volume;
     636                 :            : 
     637                 :          0 :     s->thread_info.soft_volume = s->soft_volume;
     638                 :          0 :     s->thread_info.soft_muted = s->muted;
     639                 :          0 :     pa_sw_cvolume_multiply(&s->thread_info.current_hw_volume, &s->soft_volume, &s->real_volume);
     640                 :            : 
     641 [ #  # ][ #  # ]:          0 :     pa_assert((s->flags & PA_SINK_HW_VOLUME_CTRL)
         [ #  # ][ #  # ]
     642                 :            :               || (s->base_volume == PA_VOLUME_NORM
     643                 :            :                   && ((s->flags & PA_SINK_DECIBEL_VOLUME || (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)))));
     644 [ #  # ][ #  # ]:          0 :     pa_assert(!(s->flags & PA_SINK_DECIBEL_VOLUME) || s->n_volume_steps == PA_VOLUME_NORM+1);
     645         [ #  # ]:          0 :     pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == (s->thread_info.fixed_latency != 0));
     646         [ #  # ]:          0 :     pa_assert(!(s->flags & PA_SINK_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_LATENCY));
     647         [ #  # ]:          0 :     pa_assert(!(s->flags & PA_SINK_DYNAMIC_LATENCY) == !(s->monitor_source->flags & PA_SOURCE_DYNAMIC_LATENCY));
     648                 :            : 
     649         [ #  # ]:          0 :     pa_assert(s->monitor_source->thread_info.fixed_latency == s->thread_info.fixed_latency);
     650         [ #  # ]:          0 :     pa_assert(s->monitor_source->thread_info.min_latency == s->thread_info.min_latency);
     651         [ #  # ]:          0 :     pa_assert(s->monitor_source->thread_info.max_latency == s->thread_info.max_latency);
     652                 :            : 
     653         [ #  # ]:          0 :     pa_assert_se(sink_set_state(s, PA_SINK_IDLE) == 0);
     654                 :            : 
     655                 :          0 :     pa_source_put(s->monitor_source);
     656                 :            : 
     657                 :          0 :     pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_NEW, s->index);
     658                 :          0 :     pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PUT], s);
     659                 :          0 : }
     660                 :            : 
     661                 :            : /* Called from main context */
     662                 :          0 : void pa_sink_unlink(pa_sink* s) {
     663                 :            :     pa_bool_t linked;
     664                 :          0 :     pa_sink_input *i, *j = NULL;
     665                 :            : 
     666         [ #  # ]:          0 :     pa_assert(s);
     667         [ #  # ]:          0 :     pa_assert_ctl_context();
     668                 :            : 
     669                 :            :     /* Please note that pa_sink_unlink() does more than simply
     670                 :            :      * reversing pa_sink_put(). It also undoes the registrations
     671                 :            :      * already done in pa_sink_new()! */
     672                 :            : 
     673                 :            :     /* All operations here shall be idempotent, i.e. pa_sink_unlink()
     674                 :            :      * may be called multiple times on the same sink without bad
     675                 :            :      * effects. */
     676                 :            : 
     677                 :          0 :     linked = PA_SINK_IS_LINKED(s->state);
     678                 :            : 
     679         [ #  # ]:          0 :     if (linked)
     680                 :          0 :         pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK], s);
     681                 :            : 
     682         [ #  # ]:          0 :     if (s->state != PA_SINK_UNLINKED)
     683                 :          0 :         pa_namereg_unregister(s->core, s->name);
     684                 :          0 :     pa_idxset_remove_by_data(s->core->sinks, s, NULL);
     685                 :            : 
     686         [ #  # ]:          0 :     if (s->card)
     687                 :          0 :         pa_idxset_remove_by_data(s->card->sinks, s, NULL);
     688                 :            : 
     689         [ #  # ]:          0 :     while ((i = pa_idxset_first(s->inputs, NULL))) {
     690         [ #  # ]:          0 :         pa_assert(i != j);
     691                 :          0 :         pa_sink_input_kill(i);
     692                 :          0 :         j = i;
     693                 :            :     }
     694                 :            : 
     695         [ #  # ]:          0 :     if (linked)
     696                 :          0 :         sink_set_state(s, PA_SINK_UNLINKED);
     697                 :            :     else
     698                 :          0 :         s->state = PA_SINK_UNLINKED;
     699                 :            : 
     700                 :          0 :     reset_callbacks(s);
     701                 :            : 
     702         [ #  # ]:          0 :     if (s->monitor_source)
     703                 :          0 :         pa_source_unlink(s->monitor_source);
     704                 :            : 
     705         [ #  # ]:          0 :     if (linked) {
     706                 :          0 :         pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK | PA_SUBSCRIPTION_EVENT_REMOVE, s->index);
     707                 :          0 :         pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], s);
     708                 :            :     }
     709                 :          0 : }
     710                 :            : 
     711                 :            : /* Called from main context */
     712                 :          0 : static void sink_free(pa_object *o) {
     713                 :          0 :     pa_sink *s = PA_SINK(o);
     714                 :            :     pa_sink_input *i;
     715                 :            : 
     716         [ #  # ]:          0 :     pa_assert(s);
     717         [ #  # ]:          0 :     pa_assert_ctl_context();
     718         [ #  # ]:          0 :     pa_assert(pa_sink_refcnt(s) == 0);
     719                 :            : 
     720         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->state))
     721                 :          0 :         pa_sink_unlink(s);
     722                 :            : 
     723                 :          0 :     pa_log_info("Freeing sink %u \"%s\"", s->index, s->name);
     724                 :            : 
     725         [ #  # ]:          0 :     if (s->monitor_source) {
     726                 :          0 :         pa_source_unref(s->monitor_source);
     727                 :          0 :         s->monitor_source = NULL;
     728                 :            :     }
     729                 :            : 
     730                 :          0 :     pa_idxset_free(s->inputs, NULL, NULL);
     731                 :            : 
     732         [ #  # ]:          0 :     while ((i = pa_hashmap_steal_first(s->thread_info.inputs)))
     733                 :          0 :         pa_sink_input_unref(i);
     734                 :            : 
     735                 :          0 :     pa_hashmap_free(s->thread_info.inputs, NULL, NULL);
     736                 :            : 
     737         [ #  # ]:          0 :     if (s->silence.memblock)
     738                 :          0 :         pa_memblock_unref(s->silence.memblock);
     739                 :            : 
     740                 :          0 :     pa_xfree(s->name);
     741                 :          0 :     pa_xfree(s->driver);
     742                 :            : 
     743         [ #  # ]:          0 :     if (s->proplist)
     744                 :          0 :         pa_proplist_free(s->proplist);
     745                 :            : 
     746         [ #  # ]:          0 :     if (s->ports)
     747                 :          0 :         pa_device_port_hashmap_free(s->ports);
     748                 :            : 
     749                 :          0 :     pa_xfree(s);
     750                 :          0 : }
     751                 :            : 
     752                 :            : /* Called from main context, and not while the IO thread is active, please */
     753                 :          0 : void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) {
     754                 :          0 :     pa_sink_assert_ref(s);
     755         [ #  # ]:          0 :     pa_assert_ctl_context();
     756                 :            : 
     757                 :          0 :     s->asyncmsgq = q;
     758                 :            : 
     759         [ #  # ]:          0 :     if (s->monitor_source)
     760                 :          0 :         pa_source_set_asyncmsgq(s->monitor_source, q);
     761                 :          0 : }
     762                 :            : 
     763                 :            : /* Called from main context, and not while the IO thread is active, please */
     764                 :          0 : void pa_sink_update_flags(pa_sink *s, pa_sink_flags_t mask, pa_sink_flags_t value) {
     765                 :          0 :     pa_sink_assert_ref(s);
     766         [ #  # ]:          0 :     pa_assert_ctl_context();
     767                 :            : 
     768         [ #  # ]:          0 :     if (mask == 0)
     769                 :          0 :         return;
     770                 :            : 
     771                 :            :     /* For now, allow only a minimal set of flags to be changed. */
     772         [ #  # ]:          0 :     pa_assert((mask & ~(PA_SINK_DYNAMIC_LATENCY|PA_SINK_LATENCY)) == 0);
     773                 :            : 
     774                 :          0 :     s->flags = (s->flags & ~mask) | (value & mask);
     775                 :            : 
     776                 :          0 :     pa_source_update_flags(s->monitor_source,
     777                 :          0 :                            ((mask & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
     778         [ #  # ]:          0 :                            ((mask & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0),
     779                 :          0 :                            ((value & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
     780                 :            :                            ((value & PA_SINK_DYNAMIC_LATENCY) ? PA_SINK_DYNAMIC_LATENCY : 0));
     781                 :            : }
     782                 :            : 
     783                 :            : /* Called from IO context, or before _put() from main context */
     784                 :          0 : void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) {
     785                 :          0 :     pa_sink_assert_ref(s);
     786 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
     787                 :            : 
     788                 :          0 :     s->thread_info.rtpoll = p;
     789                 :            : 
     790         [ #  # ]:          0 :     if (s->monitor_source)
     791                 :          0 :         pa_source_set_rtpoll(s->monitor_source, p);
     792                 :          0 : }
     793                 :            : 
     794                 :            : /* Called from main context */
     795                 :          0 : int pa_sink_update_status(pa_sink*s) {
     796                 :          0 :     pa_sink_assert_ref(s);
     797         [ #  # ]:          0 :     pa_assert_ctl_context();
     798         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
     799                 :            : 
     800         [ #  # ]:          0 :     if (s->state == PA_SINK_SUSPENDED)
     801                 :            :         return 0;
     802                 :            : 
     803                 :          0 :     return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
     804                 :            : }
     805                 :            : 
     806                 :            : /* Called from any context - must be threadsafe */
     807                 :          0 : void pa_sink_set_mixer_dirty(pa_sink *s, pa_bool_t is_dirty)
     808                 :            : {
     809                 :          0 :     pa_atomic_store(&s->mixer_dirty, is_dirty ? 1 : 0);
     810                 :          0 : }
     811                 :            : 
     812                 :            : /* Called from main context */
     813                 :          0 : int pa_sink_suspend(pa_sink *s, pa_bool_t suspend, pa_suspend_cause_t cause) {
     814                 :          0 :     pa_sink_assert_ref(s);
     815         [ #  # ]:          0 :     pa_assert_ctl_context();
     816         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
     817         [ #  # ]:          0 :     pa_assert(cause != 0);
     818                 :            : 
     819         [ #  # ]:          0 :     if (suspend) {
     820                 :          0 :         s->suspend_cause |= cause;
     821                 :          0 :         s->monitor_source->suspend_cause |= cause;
     822                 :            :     } else {
     823                 :          0 :         s->suspend_cause &= ~cause;
     824                 :          0 :         s->monitor_source->suspend_cause &= ~cause;
     825                 :            :     }
     826                 :            : 
     827 [ #  # ][ #  # ]:          0 :     if (!(s->suspend_cause & PA_SUSPEND_SESSION) && (pa_atomic_load(&s->mixer_dirty) != 0)) {
     828                 :            :         /* This might look racy but isn't: If somebody sets mixer_dirty exactly here,
     829                 :            :            it'll be handled just fine. */
     830                 :          0 :         pa_sink_set_mixer_dirty(s, FALSE);
     831                 :          0 :         pa_log_debug("Mixer is now accessible. Updating alsa mixer settings.");
     832 [ #  # ][ #  # ]:          0 :         if (s->active_port && s->set_port) {
     833         [ #  # ]:          0 :             if (s->flags & PA_SINK_DEFERRED_VOLUME) {
     834                 :          0 :                 struct sink_message_set_port msg = { .port = s->active_port, .ret = 0 };
     835         [ #  # ]:          0 :                 pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT, &msg, 0, NULL) == 0);
     836                 :            :             }
     837                 :            :             else
     838                 :          0 :                 s->set_port(s, s->active_port);
     839                 :            :         }
     840                 :            :         else {
     841         [ #  # ]:          0 :             if (s->set_mute)
     842                 :          0 :                 s->set_mute(s);
     843         [ #  # ]:          0 :             if (s->set_volume)
     844                 :          0 :                 s->set_volume(s);
     845                 :            :         }
     846                 :            :     }
     847                 :            : 
     848         [ #  # ]:          0 :     if ((pa_sink_get_state(s) == PA_SINK_SUSPENDED) == !!s->suspend_cause)
     849                 :            :         return 0;
     850                 :            : 
     851         [ #  # ]:          0 :     pa_log_debug("Suspend cause of sink %s is 0x%04x, %s", s->name, s->suspend_cause, s->suspend_cause ? "suspending" : "resuming");
     852                 :            : 
     853         [ #  # ]:          0 :     if (s->suspend_cause)
     854                 :          0 :         return sink_set_state(s, PA_SINK_SUSPENDED);
     855                 :            :     else
     856                 :          0 :         return sink_set_state(s, pa_sink_used_by(s) ? PA_SINK_RUNNING : PA_SINK_IDLE);
     857                 :            : }
     858                 :            : 
     859                 :            : /* Called from main context */
     860                 :          0 : pa_queue *pa_sink_move_all_start(pa_sink *s, pa_queue *q) {
     861                 :            :     pa_sink_input *i, *n;
     862                 :            :     uint32_t idx;
     863                 :            : 
     864                 :          0 :     pa_sink_assert_ref(s);
     865         [ #  # ]:          0 :     pa_assert_ctl_context();
     866         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
     867                 :            : 
     868         [ #  # ]:          0 :     if (!q)
     869                 :          0 :         q = pa_queue_new();
     870                 :            : 
     871         [ #  # ]:          0 :     for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = n) {
     872                 :          0 :         n = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx));
     873                 :            : 
     874                 :          0 :         pa_sink_input_ref(i);
     875                 :            : 
     876         [ #  # ]:          0 :         if (pa_sink_input_start_move(i) >= 0)
     877                 :          0 :             pa_queue_push(q, i);
     878                 :            :         else
     879                 :          0 :             pa_sink_input_unref(i);
     880                 :            :     }
     881                 :            : 
     882                 :          0 :     return q;
     883                 :            : }
     884                 :            : 
     885                 :            : /* Called from main context */
     886                 :          0 : void pa_sink_move_all_finish(pa_sink *s, pa_queue *q, pa_bool_t save) {
     887                 :            :     pa_sink_input *i;
     888                 :            : 
     889                 :          0 :     pa_sink_assert_ref(s);
     890         [ #  # ]:          0 :     pa_assert_ctl_context();
     891         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
     892         [ #  # ]:          0 :     pa_assert(q);
     893                 :            : 
     894         [ #  # ]:          0 :     while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
     895         [ #  # ]:          0 :         if (pa_sink_input_finish_move(i, s, save) < 0)
     896                 :          0 :             pa_sink_input_fail_move(i);
     897                 :            : 
     898                 :          0 :         pa_sink_input_unref(i);
     899                 :            :     }
     900                 :            : 
     901                 :          0 :     pa_queue_free(q, NULL);
     902                 :          0 : }
     903                 :            : 
     904                 :            : /* Called from main context */
     905                 :          0 : void pa_sink_move_all_fail(pa_queue *q) {
     906                 :            :     pa_sink_input *i;
     907                 :            : 
     908         [ #  # ]:          0 :     pa_assert_ctl_context();
     909         [ #  # ]:          0 :     pa_assert(q);
     910                 :            : 
     911         [ #  # ]:          0 :     while ((i = PA_SINK_INPUT(pa_queue_pop(q)))) {
     912                 :          0 :         pa_sink_input_fail_move(i);
     913                 :          0 :         pa_sink_input_unref(i);
     914                 :            :     }
     915                 :            : 
     916                 :          0 :     pa_queue_free(q, NULL);
     917                 :          0 : }
     918                 :            : 
     919                 :            : /* Called from IO thread context */
     920                 :          0 : void pa_sink_process_rewind(pa_sink *s, size_t nbytes) {
     921                 :            :     pa_sink_input *i;
     922                 :          0 :     void *state = NULL;
     923                 :            : 
     924                 :          0 :     pa_sink_assert_ref(s);
     925 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
     926         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
     927                 :            : 
     928                 :            :     /* If nobody requested this and this is actually no real rewind
     929                 :            :      * then we can short cut this. Please note that this means that
     930                 :            :      * not all rewind requests triggered upstream will always be
     931                 :            :      * translated in actual requests! */
     932 [ #  # ][ #  # ]:          0 :     if (!s->thread_info.rewind_requested && nbytes <= 0)
     933                 :            :         return;
     934                 :            : 
     935                 :          0 :     s->thread_info.rewind_nbytes = 0;
     936                 :          0 :     s->thread_info.rewind_requested = FALSE;
     937                 :            : 
     938         [ #  # ]:          0 :     if (s->thread_info.state == PA_SINK_SUSPENDED)
     939                 :            :         return;
     940                 :            : 
     941         [ #  # ]:          0 :     if (nbytes > 0) {
     942                 :          0 :         pa_log_debug("Processing rewind...");
     943         [ #  # ]:          0 :         if (s->flags & PA_SINK_DEFERRED_VOLUME)
     944                 :          0 :             pa_sink_volume_change_rewind(s, nbytes);
     945                 :            :     }
     946                 :            : 
     947         [ #  # ]:          0 :     PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
     948                 :          0 :         pa_sink_input_assert_ref(i);
     949                 :          0 :         pa_sink_input_process_rewind(i, nbytes);
     950                 :            :     }
     951                 :            : 
     952         [ #  # ]:          0 :     if (nbytes > 0) {
     953 [ #  # ][ #  # ]:          0 :         if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
     954                 :          0 :             pa_source_process_rewind(s->monitor_source, nbytes);
     955                 :            :     }
     956                 :            : }
     957                 :            : 
     958                 :            : /* Called from IO thread context */
     959                 :          0 : static unsigned fill_mix_info(pa_sink *s, size_t *length, pa_mix_info *info, unsigned maxinfo) {
     960                 :            :     pa_sink_input *i;
     961                 :          0 :     unsigned n = 0;
     962                 :          0 :     void *state = NULL;
     963                 :          0 :     size_t mixlength = *length;
     964                 :            : 
     965                 :          0 :     pa_sink_assert_ref(s);
     966 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
     967         [ #  # ]:          0 :     pa_assert(info);
     968                 :            : 
     969 [ #  # ][ #  # ]:          0 :     while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)) && maxinfo > 0) {
     970                 :          0 :         pa_sink_input_assert_ref(i);
     971                 :            : 
     972                 :          0 :         pa_sink_input_peek(i, *length, &info->chunk, &info->volume);
     973                 :            : 
     974 [ #  # ][ #  # ]:          0 :         if (mixlength == 0 || info->chunk.length < mixlength)
     975                 :          0 :             mixlength = info->chunk.length;
     976                 :            : 
     977         [ #  # ]:          0 :         if (pa_memblock_is_silence(info->chunk.memblock)) {
     978                 :          0 :             pa_memblock_unref(info->chunk.memblock);
     979                 :          0 :             continue;
     980                 :            :         }
     981                 :            : 
     982                 :          0 :         info->userdata = pa_sink_input_ref(i);
     983                 :            : 
     984         [ #  # ]:          0 :         pa_assert(info->chunk.memblock);
     985         [ #  # ]:          0 :         pa_assert(info->chunk.length > 0);
     986                 :            : 
     987                 :          0 :         info++;
     988                 :          0 :         n++;
     989                 :          0 :         maxinfo--;
     990                 :            :     }
     991                 :            : 
     992         [ #  # ]:          0 :     if (mixlength > 0)
     993                 :          0 :         *length = mixlength;
     994                 :            : 
     995                 :          0 :     return n;
     996                 :            : }
     997                 :            : 
     998                 :            : /* Called from IO thread context */
     999                 :          0 : static void inputs_drop(pa_sink *s, pa_mix_info *info, unsigned n, pa_memchunk *result) {
    1000                 :            :     pa_sink_input *i;
    1001                 :            :     void *state;
    1002                 :          0 :     unsigned p = 0;
    1003                 :          0 :     unsigned n_unreffed = 0;
    1004                 :            : 
    1005                 :          0 :     pa_sink_assert_ref(s);
    1006 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    1007         [ #  # ]:          0 :     pa_assert(result);
    1008         [ #  # ]:          0 :     pa_assert(result->memblock);
    1009         [ #  # ]:          0 :     pa_assert(result->length > 0);
    1010                 :            : 
    1011                 :            :     /* We optimize for the case where the order of the inputs has not changed */
    1012                 :            : 
    1013         [ #  # ]:          0 :     PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
    1014                 :            :         unsigned j;
    1015                 :          0 :         pa_mix_info* m = NULL;
    1016                 :            : 
    1017                 :          0 :         pa_sink_input_assert_ref(i);
    1018                 :            : 
    1019                 :            :         /* Let's try to find the matching entry info the pa_mix_info array */
    1020         [ #  # ]:          0 :         for (j = 0; j < n; j ++) {
    1021                 :            : 
    1022         [ #  # ]:          0 :             if (info[p].userdata == i) {
    1023                 :          0 :                 m = info + p;
    1024                 :          0 :                 break;
    1025                 :            :             }
    1026                 :            : 
    1027                 :          0 :             p++;
    1028         [ #  # ]:          0 :             if (p >= n)
    1029                 :          0 :                 p = 0;
    1030                 :            :         }
    1031                 :            : 
    1032                 :            :         /* Drop read data */
    1033                 :          0 :         pa_sink_input_drop(i, result->length);
    1034                 :            : 
    1035 [ #  # ][ #  # ]:          0 :         if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state)) {
    1036                 :            : 
    1037         [ #  # ]:          0 :             if (pa_hashmap_size(i->thread_info.direct_outputs) > 0) {
    1038                 :          0 :                 void *ostate = NULL;
    1039                 :            :                 pa_source_output *o;
    1040                 :            :                 pa_memchunk c;
    1041                 :            : 
    1042 [ #  # ][ #  # ]:          0 :                 if (m && m->chunk.memblock) {
    1043                 :          0 :                     c = m->chunk;
    1044                 :          0 :                     pa_memblock_ref(c.memblock);
    1045         [ #  # ]:          0 :                     pa_assert(result->length <= c.length);
    1046                 :          0 :                     c.length = result->length;
    1047                 :            : 
    1048                 :          0 :                     pa_memchunk_make_writable(&c, 0);
    1049                 :          0 :                     pa_volume_memchunk(&c, &s->sample_spec, &m->volume);
    1050                 :            :                 } else {
    1051                 :          0 :                     c = s->silence;
    1052                 :          0 :                     pa_memblock_ref(c.memblock);
    1053         [ #  # ]:          0 :                     pa_assert(result->length <= c.length);
    1054                 :          0 :                     c.length = result->length;
    1055                 :            :                 }
    1056                 :            : 
    1057         [ #  # ]:          0 :                 while ((o = pa_hashmap_iterate(i->thread_info.direct_outputs, &ostate, NULL))) {
    1058                 :            :                     pa_source_output_assert_ref(o);
    1059         [ #  # ]:          0 :                     pa_assert(o->direct_on_input == i);
    1060                 :          0 :                     pa_source_post_direct(s->monitor_source, o, &c);
    1061                 :            :                 }
    1062                 :            : 
    1063                 :          0 :                 pa_memblock_unref(c.memblock);
    1064                 :            :             }
    1065                 :            :         }
    1066                 :            : 
    1067         [ #  # ]:          0 :         if (m) {
    1068         [ #  # ]:          0 :             if (m->chunk.memblock)
    1069                 :          0 :                 pa_memblock_unref(m->chunk.memblock);
    1070                 :          0 :                 pa_memchunk_reset(&m->chunk);
    1071                 :            : 
    1072                 :          0 :             pa_sink_input_unref(m->userdata);
    1073                 :          0 :             m->userdata = NULL;
    1074                 :            : 
    1075                 :          0 :             n_unreffed += 1;
    1076                 :            :         }
    1077                 :            :     }
    1078                 :            : 
    1079                 :            :     /* Now drop references to entries that are included in the
    1080                 :            :      * pa_mix_info array but don't exist anymore */
    1081                 :            : 
    1082         [ #  # ]:          0 :     if (n_unreffed < n) {
    1083         [ #  # ]:          0 :         for (; n > 0; info++, n--) {
    1084         [ #  # ]:          0 :             if (info->userdata)
    1085                 :          0 :                 pa_sink_input_unref(info->userdata);
    1086         [ #  # ]:          0 :             if (info->chunk.memblock)
    1087                 :          0 :                 pa_memblock_unref(info->chunk.memblock);
    1088                 :            :         }
    1089                 :            :     }
    1090                 :            : 
    1091 [ #  # ][ #  # ]:          0 :     if (s->monitor_source && PA_SOURCE_IS_LINKED(s->monitor_source->thread_info.state))
    1092                 :          0 :         pa_source_post(s->monitor_source, result);
    1093                 :          0 : }
    1094                 :            : 
    1095                 :            : /* Called from IO thread context */
    1096                 :          0 : void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
    1097                 :            :     pa_mix_info info[MAX_MIX_CHANNELS];
    1098                 :            :     unsigned n;
    1099                 :            :     size_t block_size_max;
    1100                 :            : 
    1101                 :          0 :     pa_sink_assert_ref(s);
    1102 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    1103         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
    1104         [ #  # ]:          0 :     pa_assert(pa_frame_aligned(length, &s->sample_spec));
    1105         [ #  # ]:          0 :     pa_assert(result);
    1106                 :            : 
    1107         [ #  # ]:          0 :     pa_assert(!s->thread_info.rewind_requested);
    1108         [ #  # ]:          0 :     pa_assert(s->thread_info.rewind_nbytes == 0);
    1109                 :            : 
    1110         [ #  # ]:          0 :     if (s->thread_info.state == PA_SINK_SUSPENDED) {
    1111                 :          0 :         result->memblock = pa_memblock_ref(s->silence.memblock);
    1112                 :          0 :         result->index = s->silence.index;
    1113                 :          0 :         result->length = PA_MIN(s->silence.length, length);
    1114                 :          0 :         return;
    1115                 :            :     }
    1116                 :            : 
    1117                 :          0 :     pa_sink_ref(s);
    1118                 :            : 
    1119         [ #  # ]:          0 :     if (length <= 0)
    1120                 :          0 :         length = pa_frame_align(MIX_BUFFER_LENGTH, &s->sample_spec);
    1121                 :            : 
    1122                 :          0 :     block_size_max = pa_mempool_block_size_max(s->core->mempool);
    1123         [ #  # ]:          0 :     if (length > block_size_max)
    1124                 :          0 :         length = pa_frame_align(block_size_max, &s->sample_spec);
    1125                 :            : 
    1126         [ #  # ]:          0 :     pa_assert(length > 0);
    1127                 :            : 
    1128                 :          0 :     n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
    1129                 :            : 
    1130         [ #  # ]:          0 :     if (n == 0) {
    1131                 :            : 
    1132                 :          0 :         *result = s->silence;
    1133                 :          0 :         pa_memblock_ref(result->memblock);
    1134                 :            : 
    1135         [ #  # ]:          0 :         if (result->length > length)
    1136                 :          0 :             result->length = length;
    1137                 :            : 
    1138         [ #  # ]:          0 :     } else if (n == 1) {
    1139                 :            :         pa_cvolume volume;
    1140                 :            : 
    1141                 :          0 :         *result = info[0].chunk;
    1142                 :          0 :         pa_memblock_ref(result->memblock);
    1143                 :            : 
    1144         [ #  # ]:          0 :         if (result->length > length)
    1145                 :          0 :             result->length = length;
    1146                 :            : 
    1147                 :          0 :         pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
    1148                 :            : 
    1149 [ #  # ][ #  # ]:          0 :         if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume)) {
    1150                 :          0 :             pa_memblock_unref(result->memblock);
    1151                 :          0 :             pa_silence_memchunk_get(&s->core->silence_cache,
    1152                 :          0 :                                     s->core->mempool,
    1153                 :            :                                     result,
    1154                 :          0 :                                     &s->sample_spec,
    1155                 :            :                                     result->length);
    1156         [ #  # ]:          0 :         } else if (!pa_cvolume_is_norm(&volume)) {
    1157                 :          0 :             pa_memchunk_make_writable(result, 0);
    1158                 :          0 :             pa_volume_memchunk(result, &s->sample_spec, &volume);
    1159                 :            :         }
    1160                 :            :     } else {
    1161                 :            :         void *ptr;
    1162                 :          0 :         result->memblock = pa_memblock_new(s->core->mempool, length);
    1163                 :            : 
    1164                 :          0 :         ptr = pa_memblock_acquire(result->memblock);
    1165                 :          0 :         result->length = pa_mix(info, n,
    1166                 :            :                                 ptr, length,
    1167                 :          0 :                                 &s->sample_spec,
    1168                 :          0 :                                 &s->thread_info.soft_volume,
    1169                 :          0 :                                 s->thread_info.soft_muted);
    1170                 :          0 :         pa_memblock_release(result->memblock);
    1171                 :            : 
    1172                 :          0 :         result->index = 0;
    1173                 :            :     }
    1174                 :            : 
    1175                 :          0 :     inputs_drop(s, info, n, result);
    1176                 :            : 
    1177                 :          0 :     pa_sink_unref(s);
    1178                 :            : }
    1179                 :            : 
    1180                 :            : /* Called from IO thread context */
    1181                 :          0 : void pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
    1182                 :            :     pa_mix_info info[MAX_MIX_CHANNELS];
    1183                 :            :     unsigned n;
    1184                 :            :     size_t length, block_size_max;
    1185                 :            : 
    1186                 :          0 :     pa_sink_assert_ref(s);
    1187 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    1188         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
    1189         [ #  # ]:          0 :     pa_assert(target);
    1190         [ #  # ]:          0 :     pa_assert(target->memblock);
    1191         [ #  # ]:          0 :     pa_assert(target->length > 0);
    1192         [ #  # ]:          0 :     pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
    1193                 :            : 
    1194         [ #  # ]:          0 :     pa_assert(!s->thread_info.rewind_requested);
    1195         [ #  # ]:          0 :     pa_assert(s->thread_info.rewind_nbytes == 0);
    1196                 :            : 
    1197         [ #  # ]:          0 :     if (s->thread_info.state == PA_SINK_SUSPENDED) {
    1198                 :          0 :         pa_silence_memchunk(target, &s->sample_spec);
    1199                 :          0 :         return;
    1200                 :            :     }
    1201                 :            : 
    1202                 :          0 :     pa_sink_ref(s);
    1203                 :            : 
    1204                 :          0 :     length = target->length;
    1205                 :          0 :     block_size_max = pa_mempool_block_size_max(s->core->mempool);
    1206         [ #  # ]:          0 :     if (length > block_size_max)
    1207                 :          0 :         length = pa_frame_align(block_size_max, &s->sample_spec);
    1208                 :            : 
    1209         [ #  # ]:          0 :     pa_assert(length > 0);
    1210                 :            : 
    1211                 :          0 :     n = fill_mix_info(s, &length, info, MAX_MIX_CHANNELS);
    1212                 :            : 
    1213         [ #  # ]:          0 :     if (n == 0) {
    1214         [ #  # ]:          0 :         if (target->length > length)
    1215                 :          0 :             target->length = length;
    1216                 :            : 
    1217                 :          0 :         pa_silence_memchunk(target, &s->sample_spec);
    1218         [ #  # ]:          0 :     } else if (n == 1) {
    1219                 :            :         pa_cvolume volume;
    1220                 :            : 
    1221         [ #  # ]:          0 :         if (target->length > length)
    1222                 :          0 :             target->length = length;
    1223                 :            : 
    1224                 :          0 :         pa_sw_cvolume_multiply(&volume, &s->thread_info.soft_volume, &info[0].volume);
    1225                 :            : 
    1226 [ #  # ][ #  # ]:          0 :         if (s->thread_info.soft_muted || pa_cvolume_is_muted(&volume))
    1227                 :          0 :             pa_silence_memchunk(target, &s->sample_spec);
    1228                 :            :         else {
    1229                 :            :             pa_memchunk vchunk;
    1230                 :            : 
    1231                 :          0 :             vchunk = info[0].chunk;
    1232                 :          0 :             pa_memblock_ref(vchunk.memblock);
    1233                 :            : 
    1234         [ #  # ]:          0 :             if (vchunk.length > length)
    1235                 :          0 :                 vchunk.length = length;
    1236                 :            : 
    1237         [ #  # ]:          0 :             if (!pa_cvolume_is_norm(&volume)) {
    1238                 :          0 :                 pa_memchunk_make_writable(&vchunk, 0);
    1239                 :          0 :                 pa_volume_memchunk(&vchunk, &s->sample_spec, &volume);
    1240                 :            :             }
    1241                 :            : 
    1242                 :          0 :             pa_memchunk_memcpy(target, &vchunk);
    1243                 :          0 :             pa_memblock_unref(vchunk.memblock);
    1244                 :            :         }
    1245                 :            : 
    1246                 :            :     } else {
    1247                 :            :         void *ptr;
    1248                 :            : 
    1249                 :          0 :         ptr = pa_memblock_acquire(target->memblock);
    1250                 :            : 
    1251                 :          0 :         target->length = pa_mix(info, n,
    1252                 :          0 :                                 (uint8_t*) ptr + target->index, length,
    1253                 :          0 :                                 &s->sample_spec,
    1254                 :          0 :                                 &s->thread_info.soft_volume,
    1255                 :          0 :                                 s->thread_info.soft_muted);
    1256                 :            : 
    1257                 :          0 :         pa_memblock_release(target->memblock);
    1258                 :            :     }
    1259                 :            : 
    1260                 :          0 :     inputs_drop(s, info, n, target);
    1261                 :            : 
    1262                 :          0 :     pa_sink_unref(s);
    1263                 :            : }
    1264                 :            : 
    1265                 :            : /* Called from IO thread context */
    1266                 :          0 : void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) {
    1267                 :            :     pa_memchunk chunk;
    1268                 :            :     size_t l, d;
    1269                 :            : 
    1270                 :          0 :     pa_sink_assert_ref(s);
    1271 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    1272         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
    1273         [ #  # ]:          0 :     pa_assert(target);
    1274         [ #  # ]:          0 :     pa_assert(target->memblock);
    1275         [ #  # ]:          0 :     pa_assert(target->length > 0);
    1276         [ #  # ]:          0 :     pa_assert(pa_frame_aligned(target->length, &s->sample_spec));
    1277                 :            : 
    1278         [ #  # ]:          0 :     pa_assert(!s->thread_info.rewind_requested);
    1279         [ #  # ]:          0 :     pa_assert(s->thread_info.rewind_nbytes == 0);
    1280                 :            : 
    1281         [ #  # ]:          0 :     if (s->thread_info.state == PA_SINK_SUSPENDED) {
    1282                 :          0 :         pa_silence_memchunk(target, &s->sample_spec);
    1283                 :          0 :         return;
    1284                 :            :     }
    1285                 :            : 
    1286                 :          0 :     pa_sink_ref(s);
    1287                 :            : 
    1288                 :          0 :     l = target->length;
    1289                 :          0 :     d = 0;
    1290         [ #  # ]:          0 :     while (l > 0) {
    1291                 :          0 :         chunk = *target;
    1292                 :          0 :         chunk.index += d;
    1293                 :          0 :         chunk.length -= d;
    1294                 :            : 
    1295                 :          0 :         pa_sink_render_into(s, &chunk);
    1296                 :            : 
    1297                 :          0 :         d += chunk.length;
    1298                 :          0 :         l -= chunk.length;
    1299                 :            :     }
    1300                 :            : 
    1301                 :          0 :     pa_sink_unref(s);
    1302                 :            : }
    1303                 :            : 
    1304                 :            : /* Called from IO thread context */
    1305                 :          0 : void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result) {
    1306                 :          0 :     pa_sink_assert_ref(s);
    1307 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    1308         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
    1309         [ #  # ]:          0 :     pa_assert(length > 0);
    1310         [ #  # ]:          0 :     pa_assert(pa_frame_aligned(length, &s->sample_spec));
    1311         [ #  # ]:          0 :     pa_assert(result);
    1312                 :            : 
    1313         [ #  # ]:          0 :     pa_assert(!s->thread_info.rewind_requested);
    1314         [ #  # ]:          0 :     pa_assert(s->thread_info.rewind_nbytes == 0);
    1315                 :            : 
    1316                 :          0 :     pa_sink_ref(s);
    1317                 :            : 
    1318                 :          0 :     pa_sink_render(s, length, result);
    1319                 :            : 
    1320         [ #  # ]:          0 :     if (result->length < length) {
    1321                 :            :         pa_memchunk chunk;
    1322                 :            : 
    1323                 :          0 :         pa_memchunk_make_writable(result, length);
    1324                 :            : 
    1325                 :          0 :         chunk.memblock = result->memblock;
    1326                 :          0 :         chunk.index = result->index + result->length;
    1327                 :          0 :         chunk.length = length - result->length;
    1328                 :            : 
    1329                 :          0 :         pa_sink_render_into_full(s, &chunk);
    1330                 :            : 
    1331                 :          0 :         result->length = length;
    1332                 :            :     }
    1333                 :            : 
    1334                 :          0 :     pa_sink_unref(s);
    1335                 :          0 : }
    1336                 :            : 
    1337                 :            : /* Called from main thread */
    1338                 :          0 : pa_bool_t pa_sink_update_rate(pa_sink *s, uint32_t rate, pa_bool_t passthrough)
    1339                 :            : {
    1340         [ #  # ]:          0 :     if (s->update_rate) {
    1341                 :          0 :         uint32_t desired_rate = rate;
    1342                 :          0 :         uint32_t default_rate = s->default_sample_rate;
    1343                 :          0 :         uint32_t alternate_rate = s->alternate_sample_rate;
    1344                 :            :         uint32_t idx;
    1345                 :            :         pa_sink_input *i;
    1346                 :          0 :         pa_bool_t use_alternate = FALSE;
    1347                 :            : 
    1348         [ #  # ]:          0 :         if (PA_UNLIKELY(default_rate == alternate_rate)) {
    1349                 :          0 :             pa_log_warn("Default and alternate sample rates are the same.");
    1350                 :          0 :             return FALSE;
    1351                 :            :         }
    1352                 :            : 
    1353         [ #  # ]:          0 :         if (PA_SINK_IS_RUNNING(s->state)) {
    1354                 :          0 :             pa_log_info("Cannot update rate, SINK_IS_RUNNING, will keep using %u Hz",
    1355                 :            :                         s->sample_spec.rate);
    1356                 :          0 :             return FALSE;
    1357                 :            :         }
    1358                 :            : 
    1359         [ #  # ]:          0 :         if (s->monitor_source) {
    1360         [ #  # ]:          0 :             if (PA_SOURCE_IS_RUNNING(s->monitor_source->state) == TRUE) {
    1361                 :          0 :                 pa_log_info("Cannot update rate, monitor source is RUNNING");
    1362                 :          0 :                 return FALSE;
    1363                 :            :             }
    1364                 :            :         }
    1365                 :            : 
    1366         [ #  # ]:          0 :         if (PA_UNLIKELY (desired_rate < 8000 ||
    1367                 :            :                          desired_rate > PA_RATE_MAX))
    1368                 :            :             return FALSE;
    1369                 :            : 
    1370         [ #  # ]:          0 :         if (!passthrough) {
    1371 [ #  # ][ #  # ]:          0 :             pa_assert(default_rate % 4000 || default_rate % 11025);
    1372 [ #  # ][ #  # ]:          0 :             pa_assert(alternate_rate % 4000 || alternate_rate % 11025);
    1373                 :            : 
    1374         [ #  # ]:          0 :             if (default_rate % 4000) {
    1375                 :            :                 /* default is a 11025 multiple */
    1376 [ #  # ][ #  # ]:          0 :                 if ((alternate_rate % 4000 == 0) && (desired_rate % 4000 == 0))
    1377                 :          0 :                     use_alternate=TRUE;
    1378                 :            :             } else {
    1379                 :            :                 /* default is 4000 multiple */
    1380 [ #  # ][ #  # ]:          0 :                 if ((alternate_rate % 11025 == 0) && (desired_rate % 11025 == 0))
    1381                 :          0 :                     use_alternate=TRUE;
    1382                 :            :             }
    1383                 :            : 
    1384         [ #  # ]:          0 :             if (use_alternate)
    1385                 :            :                 desired_rate = alternate_rate;
    1386                 :            :             else
    1387                 :          0 :                 desired_rate = default_rate;
    1388                 :            :         } else {
    1389                 :            :             desired_rate = rate; /* use stream sampling rate, discard default/alternate settings */
    1390                 :            :         }
    1391                 :            : 
    1392 [ #  # ][ #  # ]:          0 :         if (!passthrough && pa_sink_used_by(s) > 0)
    1393                 :            :             return FALSE;
    1394                 :            : 
    1395                 :          0 :         pa_sink_suspend(s, TRUE, PA_SUSPEND_IDLE); /* needed before rate update, will be resumed automatically */
    1396                 :            : 
    1397         [ #  # ]:          0 :         if (s->update_rate(s, desired_rate) == TRUE) {
    1398                 :            :             /* update monitor source as well */
    1399 [ #  # ][ #  # ]:          0 :             if (s->monitor_source && !passthrough)
    1400                 :          0 :                 pa_source_update_rate(s->monitor_source, desired_rate, FALSE);
    1401                 :          0 :             pa_log_info("Changed sampling rate successfully");
    1402                 :            : 
    1403         [ #  # ]:          0 :             PA_IDXSET_FOREACH(i, s->inputs, idx) {
    1404         [ #  # ]:          0 :                 if (i->state == PA_SINK_INPUT_CORKED)
    1405                 :          0 :                     pa_sink_input_update_rate(i);
    1406                 :            :             }
    1407                 :            : 
    1408                 :            :             return TRUE;
    1409                 :            :         }
    1410                 :            :     }
    1411                 :            :     return FALSE;
    1412                 :            : }
    1413                 :            : 
    1414                 :            : /* Called from main thread */
    1415                 :          0 : pa_usec_t pa_sink_get_latency(pa_sink *s) {
    1416                 :          0 :     pa_usec_t usec = 0;
    1417                 :            : 
    1418                 :          0 :     pa_sink_assert_ref(s);
    1419         [ #  # ]:          0 :     pa_assert_ctl_context();
    1420         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    1421                 :            : 
    1422                 :            :     /* The returned value is supposed to be in the time domain of the sound card! */
    1423                 :            : 
    1424         [ #  # ]:          0 :     if (s->state == PA_SINK_SUSPENDED)
    1425                 :            :         return 0;
    1426                 :            : 
    1427         [ #  # ]:          0 :     if (!(s->flags & PA_SINK_LATENCY))
    1428                 :            :         return 0;
    1429                 :            : 
    1430         [ #  # ]:          0 :     pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) == 0);
    1431                 :            : 
    1432                 :            :     /* usec is unsigned, so check that the offset can be added to usec without
    1433                 :            :      * underflowing. */
    1434         [ #  # ]:          0 :     if (-s->latency_offset <= (int64_t) usec)
    1435                 :          0 :         usec += s->latency_offset;
    1436                 :            :     else
    1437                 :          0 :         usec = 0;
    1438                 :            : 
    1439                 :          0 :     return usec;
    1440                 :            : }
    1441                 :            : 
    1442                 :            : /* Called from IO thread */
    1443                 :          0 : pa_usec_t pa_sink_get_latency_within_thread(pa_sink *s) {
    1444                 :          0 :     pa_usec_t usec = 0;
    1445                 :            :     pa_msgobject *o;
    1446                 :            : 
    1447                 :          0 :     pa_sink_assert_ref(s);
    1448 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    1449         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
    1450                 :            : 
    1451                 :            :     /* The returned value is supposed to be in the time domain of the sound card! */
    1452                 :            : 
    1453         [ #  # ]:          0 :     if (s->thread_info.state == PA_SINK_SUSPENDED)
    1454                 :            :         return 0;
    1455                 :            : 
    1456         [ #  # ]:          0 :     if (!(s->flags & PA_SINK_LATENCY))
    1457                 :            :         return 0;
    1458                 :            : 
    1459                 :          0 :     o = PA_MSGOBJECT(s);
    1460                 :            : 
    1461                 :            :     /* FIXME: We probably should make this a proper vtable callback instead of going through process_msg() */
    1462                 :            : 
    1463         [ #  # ]:          0 :     if (o->process_msg(o, PA_SINK_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
    1464                 :            :         return -1;
    1465                 :            : 
    1466                 :            :     /* usec is unsigned, so check that the offset can be added to usec without
    1467                 :            :      * underflowing. */
    1468         [ #  # ]:          0 :     if (-s->thread_info.latency_offset <= (int64_t) usec)
    1469                 :          0 :         usec += s->thread_info.latency_offset;
    1470                 :            :     else
    1471                 :          0 :         usec = 0;
    1472                 :            : 
    1473                 :          0 :     return usec;
    1474                 :            : }
    1475                 :            : 
    1476                 :            : /* Called from the main thread (and also from the IO thread while the main
    1477                 :            :  * thread is waiting).
    1478                 :            :  *
    1479                 :            :  * When a sink uses volume sharing, it never has the PA_SINK_FLAT_VOLUME flag
    1480                 :            :  * set. Instead, flat volume mode is detected by checking whether the root sink
    1481                 :            :  * has the flag set. */
    1482                 :          0 : pa_bool_t pa_sink_flat_volume_enabled(pa_sink *s) {
    1483                 :          0 :     pa_sink_assert_ref(s);
    1484                 :            : 
    1485                 :          0 :     s = pa_sink_get_master(s);
    1486                 :            : 
    1487         [ #  # ]:          0 :     if (PA_LIKELY(s))
    1488                 :          0 :         return (s->flags & PA_SINK_FLAT_VOLUME);
    1489                 :            :     else
    1490                 :            :         return FALSE;
    1491                 :            : }
    1492                 :            : 
    1493                 :            : /* Called from the main thread (and also from the IO thread while the main
    1494                 :            :  * thread is waiting). */
    1495                 :          0 : pa_sink *pa_sink_get_master(pa_sink *s) {
    1496                 :          0 :     pa_sink_assert_ref(s);
    1497                 :            : 
    1498 [ #  # ][ #  # ]:          0 :     while (s && (s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
    1499         [ #  # ]:          0 :         if (PA_UNLIKELY(!s->input_to_master))
    1500                 :            :             return NULL;
    1501                 :            : 
    1502                 :          0 :         s = s->input_to_master->sink;
    1503                 :            :     }
    1504                 :            : 
    1505                 :            :     return s;
    1506                 :            : }
    1507                 :            : 
    1508                 :            : /* Called from main context */
    1509                 :          0 : pa_bool_t pa_sink_is_passthrough(pa_sink *s) {
    1510                 :            :     pa_sink_input *alt_i;
    1511                 :            :     uint32_t idx;
    1512                 :            : 
    1513                 :          0 :     pa_sink_assert_ref(s);
    1514                 :            : 
    1515                 :            :     /* one and only one PASSTHROUGH input can possibly be connected */
    1516         [ #  # ]:          0 :     if (pa_idxset_size(s->inputs) == 1) {
    1517                 :          0 :         alt_i = pa_idxset_first(s->inputs, &idx);
    1518                 :            : 
    1519         [ #  # ]:          0 :         if (pa_sink_input_is_passthrough(alt_i))
    1520                 :            :             return TRUE;
    1521                 :            :     }
    1522                 :            : 
    1523                 :          0 :     return FALSE;
    1524                 :            : }
    1525                 :            : 
    1526                 :            : /* Called from main context */
    1527                 :          0 : void pa_sink_enter_passthrough(pa_sink *s) {
    1528                 :            :     pa_cvolume volume;
    1529                 :            : 
    1530                 :            :     /* disable the monitor in passthrough mode */
    1531         [ #  # ]:          0 :     if (s->monitor_source)
    1532                 :          0 :         pa_source_suspend(s->monitor_source, TRUE, PA_SUSPEND_PASSTHROUGH);
    1533                 :            : 
    1534                 :            :     /* set the volume to NORM */
    1535                 :          0 :     s->saved_volume = *pa_sink_get_volume(s, TRUE);
    1536                 :          0 :     s->saved_save_volume = s->save_volume;
    1537                 :            : 
    1538                 :          0 :     pa_cvolume_set(&volume, s->sample_spec.channels, PA_MIN(s->base_volume, PA_VOLUME_NORM));
    1539                 :          0 :     pa_sink_set_volume(s, &volume, TRUE, FALSE);
    1540                 :          0 : }
    1541                 :            : 
    1542                 :            : /* Called from main context */
    1543                 :          0 : void pa_sink_leave_passthrough(pa_sink *s) {
    1544                 :            :     /* Unsuspend monitor */
    1545         [ #  # ]:          0 :     if (s->monitor_source)
    1546                 :          0 :         pa_source_suspend(s->monitor_source, FALSE, PA_SUSPEND_PASSTHROUGH);
    1547                 :            : 
    1548                 :            :     /* Restore sink volume to what it was before we entered passthrough mode */
    1549                 :          0 :     pa_sink_set_volume(s, &s->saved_volume, TRUE, s->saved_save_volume);
    1550                 :            : 
    1551                 :          0 :     pa_cvolume_init(&s->saved_volume);
    1552                 :          0 :     s->saved_save_volume = FALSE;
    1553                 :          0 : }
    1554                 :            : 
    1555                 :            : /* Called from main context. */
    1556                 :          0 : static void compute_reference_ratio(pa_sink_input *i) {
    1557                 :          0 :     unsigned c = 0;
    1558                 :            :     pa_cvolume remapped;
    1559                 :            : 
    1560         [ #  # ]:          0 :     pa_assert(i);
    1561         [ #  # ]:          0 :     pa_assert(pa_sink_flat_volume_enabled(i->sink));
    1562                 :            : 
    1563                 :            :     /*
    1564                 :            :      * Calculates the reference ratio from the sink's reference
    1565                 :            :      * volume. This basically calculates:
    1566                 :            :      *
    1567                 :            :      * i->reference_ratio = i->volume / i->sink->reference_volume
    1568                 :            :      */
    1569                 :            : 
    1570                 :          0 :     remapped = i->sink->reference_volume;
    1571                 :          0 :     pa_cvolume_remap(&remapped, &i->sink->channel_map, &i->channel_map);
    1572                 :            : 
    1573                 :          0 :     i->reference_ratio.channels = i->sample_spec.channels;
    1574                 :            : 
    1575         [ #  # ]:          0 :     for (c = 0; c < i->sample_spec.channels; c++) {
    1576                 :            : 
    1577                 :            :         /* We don't update when the sink volume is 0 anyway */
    1578         [ #  # ]:          0 :         if (remapped.values[c] <= PA_VOLUME_MUTED)
    1579                 :          0 :             continue;
    1580                 :            : 
    1581                 :            :         /* Don't update the reference ratio unless necessary */
    1582         [ #  # ]:          0 :         if (pa_sw_volume_multiply(
    1583                 :            :                     i->reference_ratio.values[c],
    1584                 :          0 :                     remapped.values[c]) == i->volume.values[c])
    1585                 :          0 :             continue;
    1586                 :            : 
    1587                 :          0 :         i->reference_ratio.values[c] = pa_sw_volume_divide(
    1588                 :            :                 i->volume.values[c],
    1589                 :            :                 remapped.values[c]);
    1590                 :            :     }
    1591                 :          0 : }
    1592                 :            : 
    1593                 :            : /* Called from main context. Only called for the root sink in volume sharing
    1594                 :            :  * cases, except for internal recursive calls. */
    1595                 :          0 : static void compute_reference_ratios(pa_sink *s) {
    1596                 :            :     uint32_t idx;
    1597                 :            :     pa_sink_input *i;
    1598                 :            : 
    1599                 :          0 :     pa_sink_assert_ref(s);
    1600         [ #  # ]:          0 :     pa_assert_ctl_context();
    1601         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    1602         [ #  # ]:          0 :     pa_assert(pa_sink_flat_volume_enabled(s));
    1603                 :            : 
    1604         [ #  # ]:          0 :     PA_IDXSET_FOREACH(i, s->inputs, idx) {
    1605                 :          0 :         compute_reference_ratio(i);
    1606                 :            : 
    1607 [ #  # ][ #  # ]:          0 :         if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
    1608                 :          0 :             compute_reference_ratios(i->origin_sink);
    1609                 :            :     }
    1610                 :          0 : }
    1611                 :            : 
    1612                 :            : /* Called from main context. Only called for the root sink in volume sharing
    1613                 :            :  * cases, except for internal recursive calls. */
    1614                 :          0 : static void compute_real_ratios(pa_sink *s) {
    1615                 :            :     pa_sink_input *i;
    1616                 :            :     uint32_t idx;
    1617                 :            : 
    1618                 :          0 :     pa_sink_assert_ref(s);
    1619         [ #  # ]:          0 :     pa_assert_ctl_context();
    1620         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    1621         [ #  # ]:          0 :     pa_assert(pa_sink_flat_volume_enabled(s));
    1622                 :            : 
    1623         [ #  # ]:          0 :     PA_IDXSET_FOREACH(i, s->inputs, idx) {
    1624                 :            :         unsigned c;
    1625                 :            :         pa_cvolume remapped;
    1626                 :            : 
    1627 [ #  # ][ #  # ]:          0 :         if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
    1628                 :            :             /* The origin sink uses volume sharing, so this input's real ratio
    1629                 :            :              * is handled as a special case - the real ratio must be 0 dB, and
    1630                 :            :              * as a result i->soft_volume must equal i->volume_factor. */
    1631                 :          0 :             pa_cvolume_reset(&i->real_ratio, i->real_ratio.channels);
    1632                 :          0 :             i->soft_volume = i->volume_factor;
    1633                 :            : 
    1634                 :          0 :             compute_real_ratios(i->origin_sink);
    1635                 :            : 
    1636                 :          0 :             continue;
    1637                 :            :         }
    1638                 :            : 
    1639                 :            :         /*
    1640                 :            :          * This basically calculates:
    1641                 :            :          *
    1642                 :            :          * i->real_ratio := i->volume / s->real_volume
    1643                 :            :          * i->soft_volume := i->real_ratio * i->volume_factor
    1644                 :            :          */
    1645                 :            : 
    1646                 :          0 :         remapped = s->real_volume;
    1647                 :          0 :         pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
    1648                 :            : 
    1649                 :          0 :         i->real_ratio.channels = i->sample_spec.channels;
    1650                 :          0 :         i->soft_volume.channels = i->sample_spec.channels;
    1651                 :            : 
    1652         [ #  # ]:          0 :         for (c = 0; c < i->sample_spec.channels; c++) {
    1653                 :            : 
    1654         [ #  # ]:          0 :             if (remapped.values[c] <= PA_VOLUME_MUTED) {
    1655                 :            :                 /* We leave i->real_ratio untouched */
    1656                 :          0 :                 i->soft_volume.values[c] = PA_VOLUME_MUTED;
    1657                 :          0 :                 continue;
    1658                 :            :             }
    1659                 :            : 
    1660                 :            :             /* Don't lose accuracy unless necessary */
    1661         [ #  # ]:          0 :             if (pa_sw_volume_multiply(
    1662                 :            :                         i->real_ratio.values[c],
    1663                 :          0 :                         remapped.values[c]) != i->volume.values[c])
    1664                 :            : 
    1665                 :          0 :                 i->real_ratio.values[c] = pa_sw_volume_divide(
    1666                 :            :                         i->volume.values[c],
    1667                 :            :                         remapped.values[c]);
    1668                 :            : 
    1669                 :          0 :             i->soft_volume.values[c] = pa_sw_volume_multiply(
    1670                 :            :                     i->real_ratio.values[c],
    1671                 :            :                     i->volume_factor.values[c]);
    1672                 :            :         }
    1673                 :            : 
    1674                 :            :         /* We don't copy the soft_volume to the thread_info data
    1675                 :            :          * here. That must be done by the caller */
    1676                 :            :     }
    1677                 :          0 : }
    1678                 :            : 
    1679                 :          0 : static pa_cvolume *cvolume_remap_minimal_impact(
    1680                 :            :         pa_cvolume *v,
    1681                 :            :         const pa_cvolume *template,
    1682                 :            :         const pa_channel_map *from,
    1683                 :            :         const pa_channel_map *to) {
    1684                 :            : 
    1685                 :            :     pa_cvolume t;
    1686                 :            : 
    1687         [ #  # ]:          0 :     pa_assert(v);
    1688         [ #  # ]:          0 :     pa_assert(template);
    1689         [ #  # ]:          0 :     pa_assert(from);
    1690         [ #  # ]:          0 :     pa_assert(to);
    1691         [ #  # ]:          0 :     pa_assert(pa_cvolume_compatible_with_channel_map(v, from));
    1692         [ #  # ]:          0 :     pa_assert(pa_cvolume_compatible_with_channel_map(template, to));
    1693                 :            : 
    1694                 :            :     /* Much like pa_cvolume_remap(), but tries to minimize impact when
    1695                 :            :      * mapping from sink input to sink volumes:
    1696                 :            :      *
    1697                 :            :      * If template is a possible remapping from v it is used instead
    1698                 :            :      * of remapping anew.
    1699                 :            :      *
    1700                 :            :      * If the channel maps don't match we set an all-channel volume on
    1701                 :            :      * the sink to ensure that changing a volume on one stream has no
    1702                 :            :      * effect that cannot be compensated for in another stream that
    1703                 :            :      * does not have the same channel map as the sink. */
    1704                 :            : 
    1705         [ #  # ]:          0 :     if (pa_channel_map_equal(from, to))
    1706                 :            :         return v;
    1707                 :            : 
    1708                 :          0 :     t = *template;
    1709         [ #  # ]:          0 :     if (pa_cvolume_equal(pa_cvolume_remap(&t, to, from), v)) {
    1710                 :          0 :         *v = *template;
    1711                 :          0 :         return v;
    1712                 :            :     }
    1713                 :            : 
    1714                 :          0 :     pa_cvolume_set(v, to->channels, pa_cvolume_max(v));
    1715                 :          0 :     return v;
    1716                 :            : }
    1717                 :            : 
    1718                 :            : /* Called from main thread. Only called for the root sink in volume sharing
    1719                 :            :  * cases, except for internal recursive calls. */
    1720                 :          0 : static void get_maximum_input_volume(pa_sink *s, pa_cvolume *max_volume, const pa_channel_map *channel_map) {
    1721                 :            :     pa_sink_input *i;
    1722                 :            :     uint32_t idx;
    1723                 :            : 
    1724                 :          0 :     pa_sink_assert_ref(s);
    1725         [ #  # ]:          0 :     pa_assert(max_volume);
    1726         [ #  # ]:          0 :     pa_assert(channel_map);
    1727         [ #  # ]:          0 :     pa_assert(pa_sink_flat_volume_enabled(s));
    1728                 :            : 
    1729         [ #  # ]:          0 :     PA_IDXSET_FOREACH(i, s->inputs, idx) {
    1730                 :            :         pa_cvolume remapped;
    1731                 :            : 
    1732 [ #  # ][ #  # ]:          0 :         if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
    1733                 :          0 :             get_maximum_input_volume(i->origin_sink, max_volume, channel_map);
    1734                 :            : 
    1735                 :            :             /* Ignore this input. The origin sink uses volume sharing, so this
    1736                 :            :              * input's volume will be set to be equal to the root sink's real
    1737                 :            :              * volume. Obviously this input's current volume must not then
    1738                 :            :              * affect what the root sink's real volume will be. */
    1739                 :          0 :             continue;
    1740                 :            :         }
    1741                 :            : 
    1742                 :          0 :         remapped = i->volume;
    1743                 :          0 :         cvolume_remap_minimal_impact(&remapped, max_volume, &i->channel_map, channel_map);
    1744                 :          0 :         pa_cvolume_merge(max_volume, max_volume, &remapped);
    1745                 :            :     }
    1746                 :          0 : }
    1747                 :            : 
    1748                 :            : /* Called from main thread. Only called for the root sink in volume sharing
    1749                 :            :  * cases, except for internal recursive calls. */
    1750                 :          0 : static pa_bool_t has_inputs(pa_sink *s) {
    1751                 :            :     pa_sink_input *i;
    1752                 :            :     uint32_t idx;
    1753                 :            : 
    1754                 :          0 :     pa_sink_assert_ref(s);
    1755                 :            : 
    1756         [ #  # ]:          0 :     PA_IDXSET_FOREACH(i, s->inputs, idx) {
    1757 [ #  # ][ #  # ]:          0 :         if (!i->origin_sink || !(i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER) || has_inputs(i->origin_sink))
                 [ #  # ]
    1758                 :            :             return TRUE;
    1759                 :            :     }
    1760                 :            : 
    1761                 :            :     return FALSE;
    1762                 :            : }
    1763                 :            : 
    1764                 :            : /* Called from main thread. Only called for the root sink in volume sharing
    1765                 :            :  * cases, except for internal recursive calls. */
    1766                 :          0 : static void update_real_volume(pa_sink *s, const pa_cvolume *new_volume, pa_channel_map *channel_map) {
    1767                 :            :     pa_sink_input *i;
    1768                 :            :     uint32_t idx;
    1769                 :            : 
    1770                 :          0 :     pa_sink_assert_ref(s);
    1771         [ #  # ]:          0 :     pa_assert(new_volume);
    1772         [ #  # ]:          0 :     pa_assert(channel_map);
    1773                 :            : 
    1774                 :          0 :     s->real_volume = *new_volume;
    1775                 :          0 :     pa_cvolume_remap(&s->real_volume, channel_map, &s->channel_map);
    1776                 :            : 
    1777         [ #  # ]:          0 :     PA_IDXSET_FOREACH(i, s->inputs, idx) {
    1778 [ #  # ][ #  # ]:          0 :         if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
    1779         [ #  # ]:          0 :             if (pa_sink_flat_volume_enabled(s)) {
    1780                 :          0 :                 pa_cvolume old_volume = i->volume;
    1781                 :            : 
    1782                 :            :                 /* Follow the root sink's real volume. */
    1783                 :          0 :                 i->volume = *new_volume;
    1784                 :          0 :                 pa_cvolume_remap(&i->volume, channel_map, &i->channel_map);
    1785                 :          0 :                 compute_reference_ratio(i);
    1786                 :            : 
    1787                 :            :                 /* The volume changed, let's tell people so */
    1788         [ #  # ]:          0 :                 if (!pa_cvolume_equal(&old_volume, &i->volume)) {
    1789         [ #  # ]:          0 :                     if (i->volume_changed)
    1790                 :          0 :                         i->volume_changed(i);
    1791                 :            : 
    1792                 :          0 :                     pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
    1793                 :            :                 }
    1794                 :            :             }
    1795                 :            : 
    1796                 :          0 :             update_real_volume(i->origin_sink, new_volume, channel_map);
    1797                 :            :         }
    1798                 :            :     }
    1799                 :          0 : }
    1800                 :            : 
    1801                 :            : /* Called from main thread. Only called for the root sink in shared volume
    1802                 :            :  * cases. */
    1803                 :          0 : static void compute_real_volume(pa_sink *s) {
    1804                 :          0 :     pa_sink_assert_ref(s);
    1805         [ #  # ]:          0 :     pa_assert_ctl_context();
    1806         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    1807         [ #  # ]:          0 :     pa_assert(pa_sink_flat_volume_enabled(s));
    1808         [ #  # ]:          0 :     pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
    1809                 :            : 
    1810                 :            :     /* This determines the maximum volume of all streams and sets
    1811                 :            :      * s->real_volume accordingly. */
    1812                 :            : 
    1813         [ #  # ]:          0 :     if (!has_inputs(s)) {
    1814                 :            :         /* In the special case that we have no sink inputs we leave the
    1815                 :            :          * volume unmodified. */
    1816                 :          0 :         update_real_volume(s, &s->reference_volume, &s->channel_map);
    1817                 :          0 :         return;
    1818                 :            :     }
    1819                 :            : 
    1820                 :          0 :     pa_cvolume_mute(&s->real_volume, s->channel_map.channels);
    1821                 :            : 
    1822                 :            :     /* First let's determine the new maximum volume of all inputs
    1823                 :            :      * connected to this sink */
    1824                 :          0 :     get_maximum_input_volume(s, &s->real_volume, &s->channel_map);
    1825                 :          0 :     update_real_volume(s, &s->real_volume, &s->channel_map);
    1826                 :            : 
    1827                 :            :     /* Then, let's update the real ratios/soft volumes of all inputs
    1828                 :            :      * connected to this sink */
    1829                 :          0 :     compute_real_ratios(s);
    1830                 :            : }
    1831                 :            : 
    1832                 :            : /* Called from main thread. Only called for the root sink in shared volume
    1833                 :            :  * cases, except for internal recursive calls. */
    1834                 :          0 : static void propagate_reference_volume(pa_sink *s) {
    1835                 :            :     pa_sink_input *i;
    1836                 :            :     uint32_t idx;
    1837                 :            : 
    1838                 :          0 :     pa_sink_assert_ref(s);
    1839         [ #  # ]:          0 :     pa_assert_ctl_context();
    1840         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    1841         [ #  # ]:          0 :     pa_assert(pa_sink_flat_volume_enabled(s));
    1842                 :            : 
    1843                 :            :     /* This is called whenever the sink volume changes that is not
    1844                 :            :      * caused by a sink input volume change. We need to fix up the
    1845                 :            :      * sink input volumes accordingly */
    1846                 :            : 
    1847         [ #  # ]:          0 :     PA_IDXSET_FOREACH(i, s->inputs, idx) {
    1848                 :            :         pa_cvolume old_volume;
    1849                 :            : 
    1850 [ #  # ][ #  # ]:          0 :         if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
    1851                 :          0 :             propagate_reference_volume(i->origin_sink);
    1852                 :            : 
    1853                 :            :             /* Since the origin sink uses volume sharing, this input's volume
    1854                 :            :              * needs to be updated to match the root sink's real volume, but
    1855                 :            :              * that will be done later in update_shared_real_volume(). */
    1856                 :          0 :             continue;
    1857                 :            :         }
    1858                 :            : 
    1859                 :          0 :         old_volume = i->volume;
    1860                 :            : 
    1861                 :            :         /* This basically calculates:
    1862                 :            :          *
    1863                 :            :          * i->volume := s->reference_volume * i->reference_ratio  */
    1864                 :            : 
    1865                 :          0 :         i->volume = s->reference_volume;
    1866                 :          0 :         pa_cvolume_remap(&i->volume, &s->channel_map, &i->channel_map);
    1867                 :          0 :         pa_sw_cvolume_multiply(&i->volume, &i->volume, &i->reference_ratio);
    1868                 :            : 
    1869                 :            :         /* The volume changed, let's tell people so */
    1870         [ #  # ]:          0 :         if (!pa_cvolume_equal(&old_volume, &i->volume)) {
    1871                 :            : 
    1872         [ #  # ]:          0 :             if (i->volume_changed)
    1873                 :          0 :                 i->volume_changed(i);
    1874                 :            : 
    1875                 :          0 :             pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
    1876                 :            :         }
    1877                 :            :     }
    1878                 :          0 : }
    1879                 :            : 
    1880                 :            : /* Called from main thread. Only called for the root sink in volume sharing
    1881                 :            :  * cases, except for internal recursive calls. The return value indicates
    1882                 :            :  * whether any reference volume actually changed. */
    1883                 :          0 : static pa_bool_t update_reference_volume(pa_sink *s, const pa_cvolume *v, const pa_channel_map *channel_map, pa_bool_t save) {
    1884                 :            :     pa_cvolume volume;
    1885                 :            :     pa_bool_t reference_volume_changed;
    1886                 :            :     pa_sink_input *i;
    1887                 :            :     uint32_t idx;
    1888                 :            : 
    1889                 :          0 :     pa_sink_assert_ref(s);
    1890         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    1891         [ #  # ]:          0 :     pa_assert(v);
    1892         [ #  # ]:          0 :     pa_assert(channel_map);
    1893         [ #  # ]:          0 :     pa_assert(pa_cvolume_valid(v));
    1894                 :            : 
    1895                 :          0 :     volume = *v;
    1896                 :          0 :     pa_cvolume_remap(&volume, channel_map, &s->channel_map);
    1897                 :            : 
    1898                 :          0 :     reference_volume_changed = !pa_cvolume_equal(&volume, &s->reference_volume);
    1899                 :          0 :     s->reference_volume = volume;
    1900                 :            : 
    1901 [ #  # ][ #  # ]:          0 :     s->save_volume = (!reference_volume_changed && s->save_volume) || save;
                 [ #  # ]
    1902                 :            : 
    1903         [ #  # ]:          0 :     if (reference_volume_changed)
    1904                 :          0 :         pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
    1905         [ #  # ]:          0 :     else if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
    1906                 :            :         /* If the root sink's volume doesn't change, then there can't be any
    1907                 :            :          * changes in the other sinks in the sink tree either.
    1908                 :            :          *
    1909                 :            :          * It's probably theoretically possible that even if the root sink's
    1910                 :            :          * volume changes slightly, some filter sink doesn't change its volume
    1911                 :            :          * due to rounding errors. If that happens, we still want to propagate
    1912                 :            :          * the changed root sink volume to the sinks connected to the
    1913                 :            :          * intermediate sink that didn't change its volume. This theoretical
    1914                 :            :          * possibility is the reason why we have that !(s->flags &
    1915                 :            :          * PA_SINK_SHARE_VOLUME_WITH_MASTER) condition. Probably nobody would
    1916                 :            :          * notice even if we returned here FALSE always if
    1917                 :            :          * reference_volume_changed is FALSE. */
    1918                 :            :         return FALSE;
    1919                 :            : 
    1920         [ #  # ]:          0 :     PA_IDXSET_FOREACH(i, s->inputs, idx) {
    1921 [ #  # ][ #  # ]:          0 :         if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
    1922                 :          0 :             update_reference_volume(i->origin_sink, v, channel_map, FALSE);
    1923                 :            :     }
    1924                 :            : 
    1925                 :            :     return TRUE;
    1926                 :            : }
    1927                 :            : 
    1928                 :            : /* Called from main thread */
    1929                 :          0 : void pa_sink_set_volume(
    1930                 :            :         pa_sink *s,
    1931                 :            :         const pa_cvolume *volume,
    1932                 :            :         pa_bool_t send_msg,
    1933                 :            :         pa_bool_t save) {
    1934                 :            : 
    1935                 :            :     pa_cvolume new_reference_volume;
    1936                 :            :     pa_sink *root_sink;
    1937                 :            : 
    1938                 :          0 :     pa_sink_assert_ref(s);
    1939         [ #  # ]:          0 :     pa_assert_ctl_context();
    1940         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    1941 [ #  # ][ #  # ]:          0 :     pa_assert(!volume || pa_cvolume_valid(volume));
    1942 [ #  # ][ #  # ]:          0 :     pa_assert(volume || pa_sink_flat_volume_enabled(s));
    1943 [ #  # ][ #  # ]:          0 :     pa_assert(!volume || volume->channels == 1 || pa_cvolume_compatible(volume, &s->sample_spec));
         [ #  # ][ #  # ]
    1944                 :            : 
    1945                 :            :     /* make sure we don't change the volume when a PASSTHROUGH input is connected ...
    1946                 :            :      * ... *except* if we're being invoked to reset the volume to ensure 0 dB gain */
    1947 [ #  # ][ #  # ]:          0 :     if (pa_sink_is_passthrough(s) && (!volume || !pa_cvolume_is_norm(volume))) {
                 [ #  # ]
    1948                 :          0 :         pa_log_warn("Cannot change volume, Sink is connected to PASSTHROUGH input");
    1949                 :          0 :         return;
    1950                 :            :     }
    1951                 :            : 
    1952                 :            :     /* In case of volume sharing, the volume is set for the root sink first,
    1953                 :            :      * from which it's then propagated to the sharing sinks. */
    1954                 :          0 :     root_sink = pa_sink_get_master(s);
    1955                 :            : 
    1956         [ #  # ]:          0 :     if (PA_UNLIKELY(!root_sink))
    1957                 :            :         return;
    1958                 :            : 
    1959                 :            :     /* As a special exception we accept mono volumes on all sinks --
    1960                 :            :      * even on those with more complex channel maps */
    1961                 :            : 
    1962         [ #  # ]:          0 :     if (volume) {
    1963         [ #  # ]:          0 :         if (pa_cvolume_compatible(volume, &s->sample_spec))
    1964                 :          0 :             new_reference_volume = *volume;
    1965                 :            :         else {
    1966                 :          0 :             new_reference_volume = s->reference_volume;
    1967                 :          0 :             pa_cvolume_scale(&new_reference_volume, pa_cvolume_max(volume));
    1968                 :            :         }
    1969                 :            : 
    1970                 :          0 :         pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_sink->channel_map);
    1971                 :            : 
    1972         [ #  # ]:          0 :         if (update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save)) {
    1973         [ #  # ]:          0 :             if (pa_sink_flat_volume_enabled(root_sink)) {
    1974                 :            :                 /* OK, propagate this volume change back to the inputs */
    1975                 :          0 :                 propagate_reference_volume(root_sink);
    1976                 :            : 
    1977                 :            :                 /* And now recalculate the real volume */
    1978                 :          0 :                 compute_real_volume(root_sink);
    1979                 :            :             } else
    1980                 :          0 :                 update_real_volume(root_sink, &root_sink->reference_volume, &root_sink->channel_map);
    1981                 :            :         }
    1982                 :            : 
    1983                 :            :     } else {
    1984                 :            :         /* If volume is NULL we synchronize the sink's real and
    1985                 :            :          * reference volumes with the stream volumes. */
    1986                 :            : 
    1987         [ #  # ]:          0 :         pa_assert(pa_sink_flat_volume_enabled(root_sink));
    1988                 :            : 
    1989                 :            :         /* Ok, let's determine the new real volume */
    1990                 :          0 :         compute_real_volume(root_sink);
    1991                 :            : 
    1992                 :            :         /* Let's 'push' the reference volume if necessary */
    1993                 :          0 :         pa_cvolume_merge(&new_reference_volume, &s->reference_volume, &root_sink->real_volume);
    1994                 :            :         /* If the sink and it's root don't have the same number of channels, we need to remap */
    1995 [ #  # ][ #  # ]:          0 :         if (s != root_sink && !pa_channel_map_equal(&s->channel_map, &root_sink->channel_map))
    1996                 :          0 :             pa_cvolume_remap(&new_reference_volume, &s->channel_map, &root_sink->channel_map);
    1997                 :          0 :         update_reference_volume(root_sink, &new_reference_volume, &root_sink->channel_map, save);
    1998                 :            : 
    1999                 :            :         /* Now that the reference volume is updated, we can update the streams'
    2000                 :            :          * reference ratios. */
    2001                 :          0 :         compute_reference_ratios(root_sink);
    2002                 :            :     }
    2003                 :            : 
    2004         [ #  # ]:          0 :     if (root_sink->set_volume) {
    2005                 :            :         /* If we have a function set_volume(), then we do not apply a
    2006                 :            :          * soft volume by default. However, set_volume() is free to
    2007                 :            :          * apply one to root_sink->soft_volume */
    2008                 :            : 
    2009                 :          0 :         pa_cvolume_reset(&root_sink->soft_volume, root_sink->sample_spec.channels);
    2010         [ #  # ]:          0 :         if (!(root_sink->flags & PA_SINK_DEFERRED_VOLUME))
    2011                 :          0 :             root_sink->set_volume(root_sink);
    2012                 :            : 
    2013                 :            :     } else
    2014                 :            :         /* If we have no function set_volume(), then the soft volume
    2015                 :            :          * becomes the real volume */
    2016                 :          0 :         root_sink->soft_volume = root_sink->real_volume;
    2017                 :            : 
    2018                 :            :     /* This tells the sink that soft volume and/or real volume changed */
    2019         [ #  # ]:          0 :     if (send_msg)
    2020         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(root_sink->asyncmsgq, PA_MSGOBJECT(root_sink), PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL) == 0);
    2021                 :            : }
    2022                 :            : 
    2023                 :            : /* Called from the io thread if sync volume is used, otherwise from the main thread.
    2024                 :            :  * Only to be called by sink implementor */
    2025                 :          0 : void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume) {
    2026                 :            : 
    2027                 :          0 :     pa_sink_assert_ref(s);
    2028         [ #  # ]:          0 :     pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
    2029                 :            : 
    2030         [ #  # ]:          0 :     if (s->flags & PA_SINK_DEFERRED_VOLUME)
    2031 [ #  # ][ #  # ]:          0 :         pa_sink_assert_io_context(s);
    2032                 :            :     else
    2033         [ #  # ]:          0 :         pa_assert_ctl_context();
    2034                 :            : 
    2035         [ #  # ]:          0 :     if (!volume)
    2036                 :          0 :         pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
    2037                 :            :     else
    2038                 :          0 :         s->soft_volume = *volume;
    2039                 :            : 
    2040 [ #  # ][ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->state) && !(s->flags & PA_SINK_DEFERRED_VOLUME))
    2041         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
    2042                 :            :     else
    2043                 :          0 :         s->thread_info.soft_volume = s->soft_volume;
    2044                 :          0 : }
    2045                 :            : 
    2046                 :            : /* Called from the main thread. Only called for the root sink in volume sharing
    2047                 :            :  * cases, except for internal recursive calls. */
    2048                 :          0 : static void propagate_real_volume(pa_sink *s, const pa_cvolume *old_real_volume) {
    2049                 :            :     pa_sink_input *i;
    2050                 :            :     uint32_t idx;
    2051                 :            : 
    2052                 :          0 :     pa_sink_assert_ref(s);
    2053         [ #  # ]:          0 :     pa_assert(old_real_volume);
    2054         [ #  # ]:          0 :     pa_assert_ctl_context();
    2055         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    2056                 :            : 
    2057                 :            :     /* This is called when the hardware's real volume changes due to
    2058                 :            :      * some external event. We copy the real volume into our
    2059                 :            :      * reference volume and then rebuild the stream volumes based on
    2060                 :            :      * i->real_ratio which should stay fixed. */
    2061                 :            : 
    2062         [ #  # ]:          0 :     if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
    2063         [ #  # ]:          0 :         if (pa_cvolume_equal(old_real_volume, &s->real_volume))
    2064                 :          0 :             return;
    2065                 :            : 
    2066                 :            :         /* 1. Make the real volume the reference volume */
    2067                 :          0 :         update_reference_volume(s, &s->real_volume, &s->channel_map, TRUE);
    2068                 :            :     }
    2069                 :            : 
    2070         [ #  # ]:          0 :     if (pa_sink_flat_volume_enabled(s)) {
    2071                 :            : 
    2072         [ #  # ]:          0 :         PA_IDXSET_FOREACH(i, s->inputs, idx) {
    2073                 :          0 :             pa_cvolume old_volume = i->volume;
    2074                 :            : 
    2075                 :            :             /* 2. Since the sink's reference and real volumes are equal
    2076                 :            :              * now our ratios should be too. */
    2077                 :          0 :             i->reference_ratio = i->real_ratio;
    2078                 :            : 
    2079                 :            :             /* 3. Recalculate the new stream reference volume based on the
    2080                 :            :              * reference ratio and the sink's reference volume.
    2081                 :            :              *
    2082                 :            :              * This basically calculates:
    2083                 :            :              *
    2084                 :            :              * i->volume = s->reference_volume * i->reference_ratio
    2085                 :            :              *
    2086                 :            :              * This is identical to propagate_reference_volume() */
    2087                 :          0 :             i->volume = s->reference_volume;
    2088                 :          0 :             pa_cvolume_remap(&i->volume, &s->channel_map, &i->channel_map);
    2089                 :          0 :             pa_sw_cvolume_multiply(&i->volume, &i->volume, &i->reference_ratio);
    2090                 :            : 
    2091                 :            :             /* Notify if something changed */
    2092         [ #  # ]:          0 :             if (!pa_cvolume_equal(&old_volume, &i->volume)) {
    2093                 :            : 
    2094         [ #  # ]:          0 :                 if (i->volume_changed)
    2095                 :          0 :                     i->volume_changed(i);
    2096                 :            : 
    2097                 :          0 :                 pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
    2098                 :            :             }
    2099                 :            : 
    2100 [ #  # ][ #  # ]:          0 :             if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
    2101                 :          0 :                 propagate_real_volume(i->origin_sink, old_real_volume);
    2102                 :            :         }
    2103                 :            :     }
    2104                 :            : 
    2105                 :            :     /* Something got changed in the hardware. It probably makes sense
    2106                 :            :      * to save changed hw settings given that hw volume changes not
    2107                 :            :      * triggered by PA are almost certainly done by the user. */
    2108         [ #  # ]:          0 :     if (!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
    2109                 :          0 :         s->save_volume = TRUE;
    2110                 :            : }
    2111                 :            : 
    2112                 :            : /* Called from io thread */
    2113                 :          0 : void pa_sink_update_volume_and_mute(pa_sink *s) {
    2114         [ #  # ]:          0 :     pa_assert(s);
    2115 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    2116                 :            : 
    2117                 :          0 :     pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE, NULL, 0, NULL, NULL);
    2118                 :          0 : }
    2119                 :            : 
    2120                 :            : /* Called from main thread */
    2121                 :          0 : const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_bool_t force_refresh) {
    2122                 :          0 :     pa_sink_assert_ref(s);
    2123         [ #  # ]:          0 :     pa_assert_ctl_context();
    2124         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    2125                 :            : 
    2126 [ #  # ][ #  # ]:          0 :     if (s->refresh_volume || force_refresh) {
    2127                 :            :         struct pa_cvolume old_real_volume;
    2128                 :            : 
    2129         [ #  # ]:          0 :         pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
    2130                 :            : 
    2131                 :          0 :         old_real_volume = s->real_volume;
    2132                 :            : 
    2133 [ #  # ][ #  # ]:          0 :         if (!(s->flags & PA_SINK_DEFERRED_VOLUME) && s->get_volume)
    2134                 :          0 :             s->get_volume(s);
    2135                 :            : 
    2136         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, NULL, 0, NULL) == 0);
    2137                 :            : 
    2138                 :          0 :         update_real_volume(s, &s->real_volume, &s->channel_map);
    2139                 :          0 :         propagate_real_volume(s, &old_real_volume);
    2140                 :            :     }
    2141                 :            : 
    2142                 :          0 :     return &s->reference_volume;
    2143                 :            : }
    2144                 :            : 
    2145                 :            : /* Called from main thread. In volume sharing cases, only the root sink may
    2146                 :            :  * call this. */
    2147                 :          0 : void pa_sink_volume_changed(pa_sink *s, const pa_cvolume *new_real_volume) {
    2148                 :            :     pa_cvolume old_real_volume;
    2149                 :            : 
    2150                 :          0 :     pa_sink_assert_ref(s);
    2151         [ #  # ]:          0 :     pa_assert_ctl_context();
    2152         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    2153         [ #  # ]:          0 :     pa_assert(!(s->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER));
    2154                 :            : 
    2155                 :            :     /* The sink implementor may call this if the volume changed to make sure everyone is notified */
    2156                 :            : 
    2157                 :          0 :     old_real_volume = s->real_volume;
    2158                 :          0 :     update_real_volume(s, new_real_volume, &s->channel_map);
    2159                 :          0 :     propagate_real_volume(s, &old_real_volume);
    2160                 :          0 : }
    2161                 :            : 
    2162                 :            : /* Called from main thread */
    2163                 :          0 : void pa_sink_set_mute(pa_sink *s, pa_bool_t mute, pa_bool_t save) {
    2164                 :            :     pa_bool_t old_muted;
    2165                 :            : 
    2166                 :          0 :     pa_sink_assert_ref(s);
    2167         [ #  # ]:          0 :     pa_assert_ctl_context();
    2168         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    2169                 :            : 
    2170                 :          0 :     old_muted = s->muted;
    2171                 :          0 :     s->muted = mute;
    2172 [ #  # ][ #  # ]:          0 :     s->save_muted = (old_muted == s->muted && s->save_muted) || save;
                 [ #  # ]
    2173                 :            : 
    2174 [ #  # ][ #  # ]:          0 :     if (!(s->flags & PA_SINK_DEFERRED_VOLUME) && s->set_mute)
    2175                 :          0 :         s->set_mute(s);
    2176                 :            : 
    2177         [ #  # ]:          0 :     pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
    2178                 :            : 
    2179         [ #  # ]:          0 :     if (old_muted != s->muted)
    2180                 :          0 :         pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
    2181                 :          0 : }
    2182                 :            : 
    2183                 :            : /* Called from main thread */
    2184                 :          0 : pa_bool_t pa_sink_get_mute(pa_sink *s, pa_bool_t force_refresh) {
    2185                 :            : 
    2186                 :          0 :     pa_sink_assert_ref(s);
    2187         [ #  # ]:          0 :     pa_assert_ctl_context();
    2188         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    2189                 :            : 
    2190 [ #  # ][ #  # ]:          0 :     if (s->refresh_muted || force_refresh) {
    2191                 :          0 :         pa_bool_t old_muted = s->muted;
    2192                 :            : 
    2193 [ #  # ][ #  # ]:          0 :         if (!(s->flags & PA_SINK_DEFERRED_VOLUME) && s->get_mute)
    2194                 :          0 :             s->get_mute(s);
    2195                 :            : 
    2196         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MUTE, NULL, 0, NULL) == 0);
    2197                 :            : 
    2198         [ #  # ]:          0 :         if (old_muted != s->muted) {
    2199                 :          0 :             s->save_muted = TRUE;
    2200                 :            : 
    2201                 :          0 :             pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
    2202                 :            : 
    2203                 :            :             /* Make sure the soft mute status stays in sync */
    2204         [ #  # ]:          0 :             pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MUTE, NULL, 0, NULL) == 0);
    2205                 :            :         }
    2206                 :            :     }
    2207                 :            : 
    2208                 :          0 :     return s->muted;
    2209                 :            : }
    2210                 :            : 
    2211                 :            : /* Called from main thread */
    2212                 :          0 : void pa_sink_mute_changed(pa_sink *s, pa_bool_t new_muted) {
    2213                 :          0 :     pa_sink_assert_ref(s);
    2214         [ #  # ]:          0 :     pa_assert_ctl_context();
    2215         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    2216                 :            : 
    2217                 :            :     /* The sink implementor may call this if the volume changed to make sure everyone is notified */
    2218                 :            : 
    2219         [ #  # ]:          0 :     if (s->muted == new_muted)
    2220                 :          0 :         return;
    2221                 :            : 
    2222                 :          0 :     s->muted = new_muted;
    2223                 :          0 :     s->save_muted = TRUE;
    2224                 :            : 
    2225                 :          0 :     pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
    2226                 :            : }
    2227                 :            : 
    2228                 :            : /* Called from main thread */
    2229                 :          0 : pa_bool_t pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p) {
    2230                 :          0 :     pa_sink_assert_ref(s);
    2231         [ #  # ]:          0 :     pa_assert_ctl_context();
    2232                 :            : 
    2233         [ #  # ]:          0 :     if (p)
    2234                 :          0 :         pa_proplist_update(s->proplist, mode, p);
    2235                 :            : 
    2236         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->state)) {
    2237                 :          0 :         pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
    2238                 :          0 :         pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
    2239                 :            :     }
    2240                 :            : 
    2241                 :          0 :     return TRUE;
    2242                 :            : }
    2243                 :            : 
    2244                 :            : /* Called from main thread */
    2245                 :            : /* FIXME -- this should be dropped and be merged into pa_sink_update_proplist() */
    2246                 :          0 : void pa_sink_set_description(pa_sink *s, const char *description) {
    2247                 :            :     const char *old;
    2248                 :          0 :     pa_sink_assert_ref(s);
    2249         [ #  # ]:          0 :     pa_assert_ctl_context();
    2250                 :            : 
    2251 [ #  # ][ #  # ]:          0 :     if (!description && !pa_proplist_contains(s->proplist, PA_PROP_DEVICE_DESCRIPTION))
    2252                 :            :         return;
    2253                 :            : 
    2254                 :          0 :     old = pa_proplist_gets(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
    2255                 :            : 
    2256 [ #  # ][ #  # ]:          0 :     if (old && description && pa_streq(old, description))
    2257                 :            :         return;
    2258                 :            : 
    2259         [ #  # ]:          0 :     if (description)
    2260                 :          0 :         pa_proplist_sets(s->proplist, PA_PROP_DEVICE_DESCRIPTION, description);
    2261                 :            :     else
    2262                 :          0 :         pa_proplist_unset(s->proplist, PA_PROP_DEVICE_DESCRIPTION);
    2263                 :            : 
    2264         [ #  # ]:          0 :     if (s->monitor_source) {
    2265                 :            :         char *n;
    2266                 :            : 
    2267         [ #  # ]:          0 :         n = pa_sprintf_malloc("Monitor Source of %s", description ? description : s->name);
    2268                 :          0 :         pa_source_set_description(s->monitor_source, n);
    2269                 :          0 :         pa_xfree(n);
    2270                 :            :     }
    2271                 :            : 
    2272         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->state)) {
    2273                 :          0 :         pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
    2274                 :          0 :         pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PROPLIST_CHANGED], s);
    2275                 :            :     }
    2276                 :            : }
    2277                 :            : 
    2278                 :            : /* Called from main thread */
    2279                 :          0 : unsigned pa_sink_linked_by(pa_sink *s) {
    2280                 :            :     unsigned ret;
    2281                 :            : 
    2282                 :          0 :     pa_sink_assert_ref(s);
    2283         [ #  # ]:          0 :     pa_assert_ctl_context();
    2284         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    2285                 :            : 
    2286                 :          0 :     ret = pa_idxset_size(s->inputs);
    2287                 :            : 
    2288                 :            :     /* We add in the number of streams connected to us here. Please
    2289                 :            :      * note the asymmetry to pa_sink_used_by()! */
    2290                 :            : 
    2291         [ #  # ]:          0 :     if (s->monitor_source)
    2292                 :          0 :         ret += pa_source_linked_by(s->monitor_source);
    2293                 :            : 
    2294                 :          0 :     return ret;
    2295                 :            : }
    2296                 :            : 
    2297                 :            : /* Called from main thread */
    2298                 :          0 : unsigned pa_sink_used_by(pa_sink *s) {
    2299                 :            :     unsigned ret;
    2300                 :            : 
    2301                 :          0 :     pa_sink_assert_ref(s);
    2302         [ #  # ]:          0 :     pa_assert_ctl_context();
    2303         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    2304                 :            : 
    2305                 :          0 :     ret = pa_idxset_size(s->inputs);
    2306         [ #  # ]:          0 :     pa_assert(ret >= s->n_corked);
    2307                 :            : 
    2308                 :            :     /* Streams connected to our monitor source do not matter for
    2309                 :            :      * pa_sink_used_by()!.*/
    2310                 :            : 
    2311                 :          0 :     return ret - s->n_corked;
    2312                 :            : }
    2313                 :            : 
    2314                 :            : /* Called from main thread */
    2315                 :          0 : unsigned pa_sink_check_suspend(pa_sink *s) {
    2316                 :            :     unsigned ret;
    2317                 :            :     pa_sink_input *i;
    2318                 :            :     uint32_t idx;
    2319                 :            : 
    2320                 :          0 :     pa_sink_assert_ref(s);
    2321         [ #  # ]:          0 :     pa_assert_ctl_context();
    2322                 :            : 
    2323         [ #  # ]:          0 :     if (!PA_SINK_IS_LINKED(s->state))
    2324                 :            :         return 0;
    2325                 :            : 
    2326                 :          0 :     ret = 0;
    2327                 :            : 
    2328         [ #  # ]:          0 :     PA_IDXSET_FOREACH(i, s->inputs, idx) {
    2329                 :            :         pa_sink_input_state_t st;
    2330                 :            : 
    2331                 :          0 :         st = pa_sink_input_get_state(i);
    2332                 :            : 
    2333                 :            :         /* We do not assert here. It is perfectly valid for a sink input to
    2334                 :            :          * be in the INIT state (i.e. created, marked done but not yet put)
    2335                 :            :          * and we should not care if it's unlinked as it won't contribute
    2336                 :            :          * towards our busy status.
    2337                 :            :          */
    2338         [ #  # ]:          0 :         if (!PA_SINK_INPUT_IS_LINKED(st))
    2339                 :          0 :             continue;
    2340                 :            : 
    2341         [ #  # ]:          0 :         if (st == PA_SINK_INPUT_CORKED)
    2342                 :          0 :             continue;
    2343                 :            : 
    2344         [ #  # ]:          0 :         if (i->flags & PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND)
    2345                 :          0 :             continue;
    2346                 :            : 
    2347                 :          0 :         ret ++;
    2348                 :            :     }
    2349                 :            : 
    2350         [ #  # ]:          0 :     if (s->monitor_source)
    2351                 :          0 :         ret += pa_source_check_suspend(s->monitor_source);
    2352                 :            : 
    2353                 :          0 :     return ret;
    2354                 :            : }
    2355                 :            : 
    2356                 :            : /* Called from the IO thread */
    2357                 :          0 : static void sync_input_volumes_within_thread(pa_sink *s) {
    2358                 :            :     pa_sink_input *i;
    2359                 :          0 :     void *state = NULL;
    2360                 :            : 
    2361                 :          0 :     pa_sink_assert_ref(s);
    2362 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    2363                 :            : 
    2364         [ #  # ]:          0 :     PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
    2365         [ #  # ]:          0 :         if (pa_cvolume_equal(&i->thread_info.soft_volume, &i->soft_volume))
    2366                 :          0 :             continue;
    2367                 :            : 
    2368                 :          0 :         i->thread_info.soft_volume = i->soft_volume;
    2369                 :          0 :         pa_sink_input_request_rewind(i, 0, TRUE, FALSE, FALSE);
    2370                 :            :     }
    2371                 :          0 : }
    2372                 :            : 
    2373                 :            : /* Called from the IO thread. Only called for the root sink in volume sharing
    2374                 :            :  * cases, except for internal recursive calls. */
    2375                 :          0 : static void set_shared_volume_within_thread(pa_sink *s) {
    2376                 :          0 :     pa_sink_input *i = NULL;
    2377                 :          0 :     void *state = NULL;
    2378                 :            : 
    2379                 :          0 :     pa_sink_assert_ref(s);
    2380                 :            : 
    2381                 :          0 :     PA_MSGOBJECT(s)->process_msg(PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME_SYNCED, NULL, 0, NULL);
    2382                 :            : 
    2383         [ #  # ]:          0 :     PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state) {
    2384 [ #  # ][ #  # ]:          0 :         if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
    2385                 :          0 :             set_shared_volume_within_thread(i->origin_sink);
    2386                 :            :     }
    2387                 :          0 : }
    2388                 :            : 
    2389                 :            : /* Called from IO thread, except when it is not */
    2390                 :          0 : int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
    2391                 :          0 :     pa_sink *s = PA_SINK(o);
    2392                 :          0 :     pa_sink_assert_ref(s);
    2393                 :            : 
    2394   [ #  #  #  #  :          0 :     switch ((pa_sink_message_t) code) {
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
                #  #  # ]
    2395                 :            : 
    2396                 :            :         case PA_SINK_MESSAGE_ADD_INPUT: {
    2397                 :          0 :             pa_sink_input *i = PA_SINK_INPUT(userdata);
    2398                 :            : 
    2399                 :            :             /* If you change anything here, make sure to change the
    2400                 :            :              * sink input handling a few lines down at
    2401                 :            :              * PA_SINK_MESSAGE_FINISH_MOVE, too. */
    2402                 :            : 
    2403                 :          0 :             pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
    2404                 :            : 
    2405                 :            :             /* Since the caller sleeps in pa_sink_input_put(), we can
    2406                 :            :              * safely access data outside of thread_info even though
    2407                 :            :              * it is mutable */
    2408                 :            : 
    2409         [ #  # ]:          0 :             if ((i->thread_info.sync_prev = i->sync_prev)) {
    2410         [ #  # ]:          0 :                 pa_assert(i->sink == i->thread_info.sync_prev->sink);
    2411         [ #  # ]:          0 :                 pa_assert(i->sync_prev->sync_next == i);
    2412                 :          0 :                 i->thread_info.sync_prev->thread_info.sync_next = i;
    2413                 :            :             }
    2414                 :            : 
    2415         [ #  # ]:          0 :             if ((i->thread_info.sync_next = i->sync_next)) {
    2416         [ #  # ]:          0 :                 pa_assert(i->sink == i->thread_info.sync_next->sink);
    2417         [ #  # ]:          0 :                 pa_assert(i->sync_next->sync_prev == i);
    2418                 :          0 :                 i->thread_info.sync_next->thread_info.sync_prev = i;
    2419                 :            :             }
    2420                 :            : 
    2421         [ #  # ]:          0 :             pa_assert(!i->thread_info.attached);
    2422                 :          0 :             i->thread_info.attached = TRUE;
    2423                 :            : 
    2424         [ #  # ]:          0 :             if (i->attach)
    2425                 :          0 :                 i->attach(i);
    2426                 :            : 
    2427                 :          0 :             pa_sink_input_set_state_within_thread(i, i->state);
    2428                 :            : 
    2429                 :            :             /* The requested latency of the sink input needs to be
    2430                 :            :              * fixed up and then configured on the sink */
    2431                 :            : 
    2432         [ #  # ]:          0 :             if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
    2433                 :          0 :                 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
    2434                 :            : 
    2435                 :          0 :             pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
    2436                 :          0 :             pa_sink_input_update_max_request(i, s->thread_info.max_request);
    2437                 :            : 
    2438                 :            :             /* We don't rewind here automatically. This is left to the
    2439                 :            :              * sink input implementor because some sink inputs need a
    2440                 :            :              * slow start, i.e. need some time to buffer client
    2441                 :            :              * samples before beginning streaming. */
    2442                 :            : 
    2443                 :            :             /* FIXME: Actually rewinding should be requested before
    2444                 :            :              * updating the sink requested latency, because updating
    2445                 :            :              * the requested latency updates also max_rewind of the
    2446                 :            :              * sink. Now consider this: a sink has a 10 s buffer and
    2447                 :            :              * nobody has requested anything less. Then a new stream
    2448                 :            :              * appears while the sink buffer is full. The new stream
    2449                 :            :              * requests e.g. 100 ms latency. That request is forwarded
    2450                 :            :              * to the sink, so now max_rewind is 100 ms. When a rewind
    2451                 :            :              * is requested, the sink will only rewind 100 ms, and the
    2452                 :            :              * new stream will have to wait about 10 seconds before it
    2453                 :            :              * becomes audible. */
    2454                 :            : 
    2455                 :            :             /* In flat volume mode we need to update the volume as
    2456                 :            :              * well */
    2457                 :          0 :             return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
    2458                 :            :         }
    2459                 :            : 
    2460                 :            :         case PA_SINK_MESSAGE_REMOVE_INPUT: {
    2461                 :          0 :             pa_sink_input *i = PA_SINK_INPUT(userdata);
    2462                 :            : 
    2463                 :            :             /* If you change anything here, make sure to change the
    2464                 :            :              * sink input handling a few lines down at
    2465                 :            :              * PA_SINK_MESSAGE_START_MOVE, too. */
    2466                 :            : 
    2467         [ #  # ]:          0 :             if (i->detach)
    2468                 :          0 :                 i->detach(i);
    2469                 :            : 
    2470                 :          0 :             pa_sink_input_set_state_within_thread(i, i->state);
    2471                 :            : 
    2472         [ #  # ]:          0 :             pa_assert(i->thread_info.attached);
    2473                 :          0 :             i->thread_info.attached = FALSE;
    2474                 :            : 
    2475                 :            :             /* Since the caller sleeps in pa_sink_input_unlink(),
    2476                 :            :              * we can safely access data outside of thread_info even
    2477                 :            :              * though it is mutable */
    2478                 :            : 
    2479         [ #  # ]:          0 :             pa_assert(!i->sync_prev);
    2480         [ #  # ]:          0 :             pa_assert(!i->sync_next);
    2481                 :            : 
    2482         [ #  # ]:          0 :             if (i->thread_info.sync_prev) {
    2483                 :          0 :                 i->thread_info.sync_prev->thread_info.sync_next = i->thread_info.sync_prev->sync_next;
    2484                 :          0 :                 i->thread_info.sync_prev = NULL;
    2485                 :            :             }
    2486                 :            : 
    2487         [ #  # ]:          0 :             if (i->thread_info.sync_next) {
    2488                 :          0 :                 i->thread_info.sync_next->thread_info.sync_prev = i->thread_info.sync_next->sync_prev;
    2489                 :          0 :                 i->thread_info.sync_next = NULL;
    2490                 :            :             }
    2491                 :            : 
    2492         [ #  # ]:          0 :             if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
    2493                 :          0 :                 pa_sink_input_unref(i);
    2494                 :            : 
    2495                 :          0 :             pa_sink_invalidate_requested_latency(s, TRUE);
    2496                 :          0 :             pa_sink_request_rewind(s, (size_t) -1);
    2497                 :            : 
    2498                 :            :             /* In flat volume mode we need to update the volume as
    2499                 :            :              * well */
    2500                 :          0 :             return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
    2501                 :            :         }
    2502                 :            : 
    2503                 :            :         case PA_SINK_MESSAGE_START_MOVE: {
    2504                 :          0 :             pa_sink_input *i = PA_SINK_INPUT(userdata);
    2505                 :            : 
    2506                 :            :             /* We don't support moving synchronized streams. */
    2507         [ #  # ]:          0 :             pa_assert(!i->sync_prev);
    2508         [ #  # ]:          0 :             pa_assert(!i->sync_next);
    2509         [ #  # ]:          0 :             pa_assert(!i->thread_info.sync_next);
    2510         [ #  # ]:          0 :             pa_assert(!i->thread_info.sync_prev);
    2511                 :            : 
    2512         [ #  # ]:          0 :             if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
    2513                 :          0 :                 pa_usec_t usec = 0;
    2514                 :            :                 size_t sink_nbytes, total_nbytes;
    2515                 :            : 
    2516                 :            :                 /* The old sink probably has some audio from this
    2517                 :            :                  * stream in its buffer. We want to "take it back" as
    2518                 :            :                  * much as possible and play it to the new sink. We
    2519                 :            :                  * don't know at this point how much the old sink can
    2520                 :            :                  * rewind. We have to pick something, and that
    2521                 :            :                  * something is the full latency of the old sink here.
    2522                 :            :                  * So we rewind the stream buffer by the sink latency
    2523                 :            :                  * amount, which may be more than what we should
    2524                 :            :                  * rewind. This can result in a chunk of audio being
    2525                 :            :                  * played both to the old sink and the new sink.
    2526                 :            :                  *
    2527                 :            :                  * FIXME: Fix this code so that we don't have to make
    2528                 :            :                  * guesses about how much the sink will actually be
    2529                 :            :                  * able to rewind. If someone comes up with a solution
    2530                 :            :                  * for this, something to note is that the part of the
    2531                 :            :                  * latency that the old sink couldn't rewind should
    2532                 :            :                  * ideally be compensated after the stream has moved
    2533                 :            :                  * to the new sink by adding silence. The new sink
    2534                 :            :                  * most likely can't start playing the moved stream
    2535                 :            :                  * immediately, and that gap should be removed from
    2536                 :            :                  * the "compensation silence" (at least at the time of
    2537                 :            :                  * writing this, the move finish code will actually
    2538                 :            :                  * already take care of dropping the new sink's
    2539                 :            :                  * unrewindable latency, so taking into account the
    2540                 :            :                  * unrewindable latency of the old sink is the only
    2541                 :            :                  * problem).
    2542                 :            :                  *
    2543                 :            :                  * The render_memblockq contents are discarded,
    2544                 :            :                  * because when the sink changes, the format of the
    2545                 :            :                  * audio stored in the render_memblockq may change
    2546                 :            :                  * too, making the stored audio invalid. FIXME:
    2547                 :            :                  * However, the read and write indices are moved back
    2548                 :            :                  * the same amount, so if they are not the same now,
    2549                 :            :                  * they won't be the same after the rewind either. If
    2550                 :            :                  * the write index of the render_memblockq is ahead of
    2551                 :            :                  * the read index, then the render_memblockq will feed
    2552                 :            :                  * the new sink some silence first, which it shouldn't
    2553                 :            :                  * do. The write index should be flushed to be the
    2554                 :            :                  * same as the read index. */
    2555                 :            : 
    2556                 :            :                 /* Get the latency of the sink */
    2557                 :          0 :                 usec = pa_sink_get_latency_within_thread(s);
    2558                 :          0 :                 sink_nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
    2559                 :          0 :                 total_nbytes = sink_nbytes + pa_memblockq_get_length(i->thread_info.render_memblockq);
    2560                 :            : 
    2561         [ #  # ]:          0 :                 if (total_nbytes > 0) {
    2562         [ #  # ]:          0 :                     i->thread_info.rewrite_nbytes = i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, total_nbytes) : total_nbytes;
    2563                 :          0 :                     i->thread_info.rewrite_flush = TRUE;
    2564                 :          0 :                     pa_sink_input_process_rewind(i, sink_nbytes);
    2565                 :            :                 }
    2566                 :            :             }
    2567                 :            : 
    2568         [ #  # ]:          0 :             if (i->detach)
    2569                 :          0 :                 i->detach(i);
    2570                 :            : 
    2571         [ #  # ]:          0 :             pa_assert(i->thread_info.attached);
    2572                 :          0 :             i->thread_info.attached = FALSE;
    2573                 :            : 
    2574                 :            :             /* Let's remove the sink input ...*/
    2575         [ #  # ]:          0 :             if (pa_hashmap_remove(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index)))
    2576                 :          0 :                 pa_sink_input_unref(i);
    2577                 :            : 
    2578                 :          0 :             pa_sink_invalidate_requested_latency(s, TRUE);
    2579                 :            : 
    2580                 :          0 :             pa_log_debug("Requesting rewind due to started move");
    2581                 :          0 :             pa_sink_request_rewind(s, (size_t) -1);
    2582                 :            : 
    2583                 :            :             /* In flat volume mode we need to update the volume as
    2584                 :            :              * well */
    2585                 :          0 :             return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
    2586                 :            :         }
    2587                 :            : 
    2588                 :            :         case PA_SINK_MESSAGE_FINISH_MOVE: {
    2589                 :          0 :             pa_sink_input *i = PA_SINK_INPUT(userdata);
    2590                 :            : 
    2591                 :            :             /* We don't support moving synchronized streams. */
    2592         [ #  # ]:          0 :             pa_assert(!i->sync_prev);
    2593         [ #  # ]:          0 :             pa_assert(!i->sync_next);
    2594         [ #  # ]:          0 :             pa_assert(!i->thread_info.sync_next);
    2595         [ #  # ]:          0 :             pa_assert(!i->thread_info.sync_prev);
    2596                 :            : 
    2597                 :          0 :             pa_hashmap_put(s->thread_info.inputs, PA_UINT32_TO_PTR(i->index), pa_sink_input_ref(i));
    2598                 :            : 
    2599         [ #  # ]:          0 :             pa_assert(!i->thread_info.attached);
    2600                 :          0 :             i->thread_info.attached = TRUE;
    2601                 :            : 
    2602         [ #  # ]:          0 :             if (i->attach)
    2603                 :          0 :                 i->attach(i);
    2604                 :            : 
    2605         [ #  # ]:          0 :             if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
    2606                 :          0 :                 pa_usec_t usec = 0;
    2607                 :            :                 size_t nbytes;
    2608                 :            : 
    2609                 :            :                 /* In the ideal case the new sink would start playing
    2610                 :            :                  * the stream immediately. That requires the sink to
    2611                 :            :                  * be able to rewind all of its latency, which usually
    2612                 :            :                  * isn't possible, so there will probably be some gap
    2613                 :            :                  * before the moved stream becomes audible. We then
    2614                 :            :                  * have two possibilities: 1) start playing the stream
    2615                 :            :                  * from where it is now, or 2) drop the unrewindable
    2616                 :            :                  * latency of the sink from the stream. With option 1
    2617                 :            :                  * we won't lose any audio but the stream will have a
    2618                 :            :                  * pause. With option 2 we may lose some audio but the
    2619                 :            :                  * stream time will be somewhat in sync with the wall
    2620                 :            :                  * clock. Lennart seems to have chosen option 2 (one
    2621                 :            :                  * of the reasons might have been that option 1 is
    2622                 :            :                  * actually much harder to implement), so we drop the
    2623                 :            :                  * latency of the new sink from the moved stream and
    2624                 :            :                  * hope that the sink will undo most of that in the
    2625                 :            :                  * rewind. */
    2626                 :            : 
    2627                 :            :                 /* Get the latency of the sink */
    2628                 :          0 :                 usec = pa_sink_get_latency_within_thread(s);
    2629                 :          0 :                 nbytes = pa_usec_to_bytes(usec, &s->sample_spec);
    2630                 :            : 
    2631         [ #  # ]:          0 :                 if (nbytes > 0)
    2632                 :          0 :                     pa_sink_input_drop(i, nbytes);
    2633                 :            : 
    2634                 :          0 :                 pa_log_debug("Requesting rewind due to finished move");
    2635                 :          0 :                 pa_sink_request_rewind(s, nbytes);
    2636                 :            :             }
    2637                 :            : 
    2638                 :            :             /* Updating the requested sink latency has to be done
    2639                 :            :              * after the sink rewind request, not before, because
    2640                 :            :              * otherwise the sink may limit the rewind amount
    2641                 :            :              * needlessly. */
    2642                 :            : 
    2643         [ #  # ]:          0 :             if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
    2644                 :          0 :                 pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
    2645                 :            : 
    2646                 :          0 :             pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
    2647                 :          0 :             pa_sink_input_update_max_request(i, s->thread_info.max_request);
    2648                 :            : 
    2649                 :          0 :             return o->process_msg(o, PA_SINK_MESSAGE_SET_SHARED_VOLUME, NULL, 0, NULL);
    2650                 :            :         }
    2651                 :            : 
    2652                 :            :         case PA_SINK_MESSAGE_SET_SHARED_VOLUME: {
    2653                 :          0 :             pa_sink *root_sink = pa_sink_get_master(s);
    2654                 :            : 
    2655         [ #  # ]:          0 :             if (PA_LIKELY(root_sink))
    2656                 :          0 :                 set_shared_volume_within_thread(root_sink);
    2657                 :            : 
    2658                 :            :             return 0;
    2659                 :            :         }
    2660                 :            : 
    2661                 :            :         case PA_SINK_MESSAGE_SET_VOLUME_SYNCED:
    2662                 :            : 
    2663         [ #  # ]:          0 :             if (s->flags & PA_SINK_DEFERRED_VOLUME) {
    2664                 :          0 :                 s->set_volume(s);
    2665                 :          0 :                 pa_sink_volume_change_push(s);
    2666                 :            :             }
    2667                 :            :             /* Fall through ... */
    2668                 :            : 
    2669                 :            :         case PA_SINK_MESSAGE_SET_VOLUME:
    2670                 :            : 
    2671         [ #  # ]:          0 :             if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
    2672                 :          0 :                 s->thread_info.soft_volume = s->soft_volume;
    2673                 :          0 :                 pa_sink_request_rewind(s, (size_t) -1);
    2674                 :            :             }
    2675                 :            : 
    2676                 :            :             /* Fall through ... */
    2677                 :            : 
    2678                 :            :         case PA_SINK_MESSAGE_SYNC_VOLUMES:
    2679                 :          0 :             sync_input_volumes_within_thread(s);
    2680                 :          0 :             return 0;
    2681                 :            : 
    2682                 :            :         case PA_SINK_MESSAGE_GET_VOLUME:
    2683                 :            : 
    2684 [ #  # ][ #  # ]:          0 :             if ((s->flags & PA_SINK_DEFERRED_VOLUME) && s->get_volume) {
    2685                 :          0 :                 s->get_volume(s);
    2686                 :            :                 pa_sink_volume_change_flush(s);
    2687                 :          0 :                 pa_sw_cvolume_divide(&s->thread_info.current_hw_volume, &s->real_volume, &s->soft_volume);
    2688                 :            :             }
    2689                 :            : 
    2690                 :            :             /* In case sink implementor reset SW volume. */
    2691         [ #  # ]:          0 :             if (!pa_cvolume_equal(&s->thread_info.soft_volume, &s->soft_volume)) {
    2692                 :          0 :                 s->thread_info.soft_volume = s->soft_volume;
    2693                 :          0 :                 pa_sink_request_rewind(s, (size_t) -1);
    2694                 :            :             }
    2695                 :            : 
    2696                 :            :             return 0;
    2697                 :            : 
    2698                 :            :         case PA_SINK_MESSAGE_SET_MUTE:
    2699                 :            : 
    2700         [ #  # ]:          0 :             if (s->thread_info.soft_muted != s->muted) {
    2701                 :          0 :                 s->thread_info.soft_muted = s->muted;
    2702                 :          0 :                 pa_sink_request_rewind(s, (size_t) -1);
    2703                 :            :             }
    2704                 :            : 
    2705 [ #  # ][ #  # ]:          0 :             if (s->flags & PA_SINK_DEFERRED_VOLUME && s->set_mute)
    2706                 :          0 :                 s->set_mute(s);
    2707                 :            : 
    2708                 :            :             return 0;
    2709                 :            : 
    2710                 :            :         case PA_SINK_MESSAGE_GET_MUTE:
    2711                 :            : 
    2712 [ #  # ][ #  # ]:          0 :             if (s->flags & PA_SINK_DEFERRED_VOLUME && s->get_mute)
    2713                 :          0 :                 s->get_mute(s);
    2714                 :            : 
    2715                 :            :             return 0;
    2716                 :            : 
    2717                 :            :         case PA_SINK_MESSAGE_SET_STATE: {
    2718                 :            : 
    2719                 :          0 :             pa_bool_t suspend_change =
    2720 [ #  # ][ #  # ]:          0 :                 (s->thread_info.state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(PA_PTR_TO_UINT(userdata))) ||
                 [ #  # ]
    2721         [ #  # ]:          0 :                 (PA_SINK_IS_OPENED(s->thread_info.state) && PA_PTR_TO_UINT(userdata) == PA_SINK_SUSPENDED);
    2722                 :            : 
    2723                 :          0 :             s->thread_info.state = PA_PTR_TO_UINT(userdata);
    2724                 :            : 
    2725         [ #  # ]:          0 :             if (s->thread_info.state == PA_SINK_SUSPENDED) {
    2726                 :          0 :                 s->thread_info.rewind_nbytes = 0;
    2727                 :          0 :                 s->thread_info.rewind_requested = FALSE;
    2728                 :            :             }
    2729                 :            : 
    2730         [ #  # ]:          0 :             if (suspend_change) {
    2731                 :            :                 pa_sink_input *i;
    2732                 :          0 :                 void *state = NULL;
    2733                 :            : 
    2734         [ #  # ]:          0 :                 while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
    2735         [ #  # ]:          0 :                     if (i->suspend_within_thread)
    2736                 :          0 :                         i->suspend_within_thread(i, s->thread_info.state == PA_SINK_SUSPENDED);
    2737                 :            :             }
    2738                 :            : 
    2739                 :            :             return 0;
    2740                 :            :         }
    2741                 :            : 
    2742                 :            :         case PA_SINK_MESSAGE_DETACH:
    2743                 :            : 
    2744                 :            :             /* Detach all streams */
    2745                 :          0 :             pa_sink_detach_within_thread(s);
    2746                 :          0 :             return 0;
    2747                 :            : 
    2748                 :            :         case PA_SINK_MESSAGE_ATTACH:
    2749                 :            : 
    2750                 :            :             /* Reattach all streams */
    2751                 :          0 :             pa_sink_attach_within_thread(s);
    2752                 :          0 :             return 0;
    2753                 :            : 
    2754                 :            :         case PA_SINK_MESSAGE_GET_REQUESTED_LATENCY: {
    2755                 :            : 
    2756                 :          0 :             pa_usec_t *usec = userdata;
    2757                 :          0 :             *usec = pa_sink_get_requested_latency_within_thread(s);
    2758                 :            : 
    2759                 :            :             /* Yes, that's right, the IO thread will see -1 when no
    2760                 :            :              * explicit requested latency is configured, the main
    2761                 :            :              * thread will see max_latency */
    2762         [ #  # ]:          0 :             if (*usec == (pa_usec_t) -1)
    2763                 :          0 :                 *usec = s->thread_info.max_latency;
    2764                 :            : 
    2765                 :            :             return 0;
    2766                 :            :         }
    2767                 :            : 
    2768                 :            :         case PA_SINK_MESSAGE_SET_LATENCY_RANGE: {
    2769                 :          0 :             pa_usec_t *r = userdata;
    2770                 :            : 
    2771                 :          0 :             pa_sink_set_latency_range_within_thread(s, r[0], r[1]);
    2772                 :            : 
    2773                 :          0 :             return 0;
    2774                 :            :         }
    2775                 :            : 
    2776                 :            :         case PA_SINK_MESSAGE_GET_LATENCY_RANGE: {
    2777                 :          0 :             pa_usec_t *r = userdata;
    2778                 :            : 
    2779                 :          0 :             r[0] = s->thread_info.min_latency;
    2780                 :          0 :             r[1] = s->thread_info.max_latency;
    2781                 :            : 
    2782                 :          0 :             return 0;
    2783                 :            :         }
    2784                 :            : 
    2785                 :            :         case PA_SINK_MESSAGE_GET_FIXED_LATENCY:
    2786                 :            : 
    2787                 :          0 :             *((pa_usec_t*) userdata) = s->thread_info.fixed_latency;
    2788                 :          0 :             return 0;
    2789                 :            : 
    2790                 :            :         case PA_SINK_MESSAGE_SET_FIXED_LATENCY:
    2791                 :            : 
    2792                 :          0 :             pa_sink_set_fixed_latency_within_thread(s, (pa_usec_t) offset);
    2793                 :          0 :             return 0;
    2794                 :            : 
    2795                 :            :         case PA_SINK_MESSAGE_GET_MAX_REWIND:
    2796                 :            : 
    2797                 :          0 :             *((size_t*) userdata) = s->thread_info.max_rewind;
    2798                 :          0 :             return 0;
    2799                 :            : 
    2800                 :            :         case PA_SINK_MESSAGE_GET_MAX_REQUEST:
    2801                 :            : 
    2802                 :          0 :             *((size_t*) userdata) = s->thread_info.max_request;
    2803                 :          0 :             return 0;
    2804                 :            : 
    2805                 :            :         case PA_SINK_MESSAGE_SET_MAX_REWIND:
    2806                 :            : 
    2807                 :          0 :             pa_sink_set_max_rewind_within_thread(s, (size_t) offset);
    2808                 :          0 :             return 0;
    2809                 :            : 
    2810                 :            :         case PA_SINK_MESSAGE_SET_MAX_REQUEST:
    2811                 :            : 
    2812                 :          0 :             pa_sink_set_max_request_within_thread(s, (size_t) offset);
    2813                 :          0 :             return 0;
    2814                 :            : 
    2815                 :            :         case PA_SINK_MESSAGE_SET_PORT:
    2816                 :            : 
    2817         [ #  # ]:          0 :             pa_assert(userdata);
    2818         [ #  # ]:          0 :             if (s->set_port) {
    2819                 :          0 :                 struct sink_message_set_port *msg_data = userdata;
    2820                 :          0 :                 msg_data->ret = s->set_port(s, msg_data->port);
    2821                 :            :             }
    2822                 :            :             return 0;
    2823                 :            : 
    2824                 :            :         case PA_SINK_MESSAGE_UPDATE_VOLUME_AND_MUTE:
    2825                 :            :             /* This message is sent from IO-thread and handled in main thread. */
    2826         [ #  # ]:          0 :             pa_assert_ctl_context();
    2827                 :            : 
    2828                 :            :             /* Make sure we're not messing with main thread when no longer linked */
    2829         [ #  # ]:          0 :             if (!PA_SINK_IS_LINKED(s->state))
    2830                 :            :                 return 0;
    2831                 :            : 
    2832                 :          0 :             pa_sink_get_volume(s, TRUE);
    2833                 :          0 :             pa_sink_get_mute(s, TRUE);
    2834                 :          0 :             return 0;
    2835                 :            : 
    2836                 :            :         case PA_SINK_MESSAGE_SET_LATENCY_OFFSET:
    2837                 :          0 :             s->thread_info.latency_offset = offset;
    2838                 :          0 :             return 0;
    2839                 :            : 
    2840                 :            :         case PA_SINK_MESSAGE_GET_LATENCY:
    2841                 :            :         case PA_SINK_MESSAGE_MAX:
    2842                 :            :             ;
    2843                 :            :     }
    2844                 :            : 
    2845                 :            :     return -1;
    2846                 :            : }
    2847                 :            : 
    2848                 :            : /* Called from main thread */
    2849                 :          0 : int pa_sink_suspend_all(pa_core *c, pa_bool_t suspend, pa_suspend_cause_t cause) {
    2850                 :            :     pa_sink *sink;
    2851                 :            :     uint32_t idx;
    2852                 :          0 :     int ret = 0;
    2853                 :            : 
    2854                 :            :     pa_core_assert_ref(c);
    2855         [ #  # ]:          0 :     pa_assert_ctl_context();
    2856         [ #  # ]:          0 :     pa_assert(cause != 0);
    2857                 :            : 
    2858         [ #  # ]:          0 :     PA_IDXSET_FOREACH(sink, c->sinks, idx) {
    2859                 :            :         int r;
    2860                 :            : 
    2861         [ #  # ]:          0 :         if ((r = pa_sink_suspend(sink, suspend, cause)) < 0)
    2862                 :          0 :             ret = r;
    2863                 :            :     }
    2864                 :            : 
    2865                 :          0 :     return ret;
    2866                 :            : }
    2867                 :            : 
    2868                 :            : /* Called from main thread */
    2869                 :          0 : void pa_sink_detach(pa_sink *s) {
    2870                 :          0 :     pa_sink_assert_ref(s);
    2871         [ #  # ]:          0 :     pa_assert_ctl_context();
    2872         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    2873                 :            : 
    2874         [ #  # ]:          0 :     pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_DETACH, NULL, 0, NULL) == 0);
    2875                 :          0 : }
    2876                 :            : 
    2877                 :            : /* Called from main thread */
    2878                 :          0 : void pa_sink_attach(pa_sink *s) {
    2879                 :          0 :     pa_sink_assert_ref(s);
    2880         [ #  # ]:          0 :     pa_assert_ctl_context();
    2881         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    2882                 :            : 
    2883         [ #  # ]:          0 :     pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_ATTACH, NULL, 0, NULL) == 0);
    2884                 :          0 : }
    2885                 :            : 
    2886                 :            : /* Called from IO thread */
    2887                 :          0 : void pa_sink_detach_within_thread(pa_sink *s) {
    2888                 :            :     pa_sink_input *i;
    2889                 :          0 :     void *state = NULL;
    2890                 :            : 
    2891                 :          0 :     pa_sink_assert_ref(s);
    2892 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    2893         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
    2894                 :            : 
    2895         [ #  # ]:          0 :     PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
    2896         [ #  # ]:          0 :         if (i->detach)
    2897                 :          0 :             i->detach(i);
    2898                 :            : 
    2899         [ #  # ]:          0 :     if (s->monitor_source)
    2900                 :          0 :         pa_source_detach_within_thread(s->monitor_source);
    2901                 :          0 : }
    2902                 :            : 
    2903                 :            : /* Called from IO thread */
    2904                 :          0 : void pa_sink_attach_within_thread(pa_sink *s) {
    2905                 :            :     pa_sink_input *i;
    2906                 :          0 :     void *state = NULL;
    2907                 :            : 
    2908                 :          0 :     pa_sink_assert_ref(s);
    2909 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    2910         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
    2911                 :            : 
    2912         [ #  # ]:          0 :     PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
    2913         [ #  # ]:          0 :         if (i->attach)
    2914                 :          0 :             i->attach(i);
    2915                 :            : 
    2916         [ #  # ]:          0 :     if (s->monitor_source)
    2917                 :          0 :         pa_source_attach_within_thread(s->monitor_source);
    2918                 :          0 : }
    2919                 :            : 
    2920                 :            : /* Called from IO thread */
    2921                 :          0 : void pa_sink_request_rewind(pa_sink*s, size_t nbytes) {
    2922                 :          0 :     pa_sink_assert_ref(s);
    2923 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    2924         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->thread_info.state));
    2925                 :            : 
    2926         [ #  # ]:          0 :     if (s->thread_info.state == PA_SINK_SUSPENDED)
    2927                 :            :         return;
    2928                 :            : 
    2929         [ #  # ]:          0 :     if (nbytes == (size_t) -1)
    2930                 :          0 :         nbytes = s->thread_info.max_rewind;
    2931                 :            : 
    2932                 :          0 :     nbytes = PA_MIN(nbytes, s->thread_info.max_rewind);
    2933                 :            : 
    2934 [ #  # ][ #  # ]:          0 :     if (s->thread_info.rewind_requested &&
    2935                 :          0 :         nbytes <= s->thread_info.rewind_nbytes)
    2936                 :            :         return;
    2937                 :            : 
    2938                 :          0 :     s->thread_info.rewind_nbytes = nbytes;
    2939                 :          0 :     s->thread_info.rewind_requested = TRUE;
    2940                 :            : 
    2941         [ #  # ]:          0 :     if (s->request_rewind)
    2942                 :          0 :         s->request_rewind(s);
    2943                 :            : }
    2944                 :            : 
    2945                 :            : /* Called from IO thread */
    2946                 :          0 : pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) {
    2947                 :          0 :     pa_usec_t result = (pa_usec_t) -1;
    2948                 :            :     pa_sink_input *i;
    2949                 :          0 :     void *state = NULL;
    2950                 :            :     pa_usec_t monitor_latency;
    2951                 :            : 
    2952                 :          0 :     pa_sink_assert_ref(s);
    2953 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    2954                 :            : 
    2955         [ #  # ]:          0 :     if (!(s->flags & PA_SINK_DYNAMIC_LATENCY))
    2956         [ #  # ]:          0 :         return PA_CLAMP(s->thread_info.fixed_latency, s->thread_info.min_latency, s->thread_info.max_latency);
    2957                 :            : 
    2958         [ #  # ]:          0 :     if (s->thread_info.requested_latency_valid)
    2959                 :          0 :         return s->thread_info.requested_latency;
    2960                 :            : 
    2961         [ #  # ]:          0 :     PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
    2962 [ #  # ][ #  # ]:          0 :         if (i->thread_info.requested_sink_latency != (pa_usec_t) -1 &&
    2963         [ #  # ]:          0 :             (result == (pa_usec_t) -1 || result > i->thread_info.requested_sink_latency))
    2964                 :          0 :             result = i->thread_info.requested_sink_latency;
    2965                 :            : 
    2966                 :          0 :     monitor_latency = pa_source_get_requested_latency_within_thread(s->monitor_source);
    2967                 :            : 
    2968 [ #  # ][ #  # ]:          0 :     if (monitor_latency != (pa_usec_t) -1 &&
    2969                 :          0 :         (result == (pa_usec_t) -1 || result > monitor_latency))
    2970                 :          0 :         result = monitor_latency;
    2971                 :            : 
    2972         [ #  # ]:          0 :     if (result != (pa_usec_t) -1)
    2973         [ #  # ]:          0 :         result = PA_CLAMP(result, s->thread_info.min_latency, s->thread_info.max_latency);
    2974                 :            : 
    2975         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->thread_info.state)) {
    2976                 :            :         /* Only cache if properly initialized */
    2977                 :          0 :         s->thread_info.requested_latency = result;
    2978                 :          0 :         s->thread_info.requested_latency_valid = TRUE;
    2979                 :            :     }
    2980                 :            : 
    2981                 :            :     return result;
    2982                 :            : }
    2983                 :            : 
    2984                 :            : /* Called from main thread */
    2985                 :          0 : pa_usec_t pa_sink_get_requested_latency(pa_sink *s) {
    2986                 :          0 :     pa_usec_t usec = 0;
    2987                 :            : 
    2988                 :          0 :     pa_sink_assert_ref(s);
    2989         [ #  # ]:          0 :     pa_assert_ctl_context();
    2990         [ #  # ]:          0 :     pa_assert(PA_SINK_IS_LINKED(s->state));
    2991                 :            : 
    2992         [ #  # ]:          0 :     if (s->state == PA_SINK_SUSPENDED)
    2993                 :            :         return 0;
    2994                 :            : 
    2995         [ #  # ]:          0 :     pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
    2996                 :            : 
    2997                 :          0 :     return usec;
    2998                 :            : }
    2999                 :            : 
    3000                 :            : /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
    3001                 :          0 : void pa_sink_set_max_rewind_within_thread(pa_sink *s, size_t max_rewind) {
    3002                 :            :     pa_sink_input *i;
    3003                 :          0 :     void *state = NULL;
    3004                 :            : 
    3005                 :          0 :     pa_sink_assert_ref(s);
    3006 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    3007                 :            : 
    3008         [ #  # ]:          0 :     if (max_rewind == s->thread_info.max_rewind)
    3009                 :          0 :         return;
    3010                 :            : 
    3011                 :          0 :     s->thread_info.max_rewind = max_rewind;
    3012                 :            : 
    3013         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->thread_info.state))
    3014         [ #  # ]:          0 :         PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
    3015                 :          0 :             pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
    3016                 :            : 
    3017         [ #  # ]:          0 :     if (s->monitor_source)
    3018                 :          0 :         pa_source_set_max_rewind_within_thread(s->monitor_source, s->thread_info.max_rewind);
    3019                 :            : }
    3020                 :            : 
    3021                 :            : /* Called from main thread */
    3022                 :          0 : void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind) {
    3023                 :          0 :     pa_sink_assert_ref(s);
    3024         [ #  # ]:          0 :     pa_assert_ctl_context();
    3025                 :            : 
    3026         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->state))
    3027         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MAX_REWIND, NULL, max_rewind, NULL) == 0);
    3028                 :            :     else
    3029                 :          0 :         pa_sink_set_max_rewind_within_thread(s, max_rewind);
    3030                 :          0 : }
    3031                 :            : 
    3032                 :            : /* Called from IO as well as the main thread -- the latter only before the IO thread started up */
    3033                 :          0 : void pa_sink_set_max_request_within_thread(pa_sink *s, size_t max_request) {
    3034                 :          0 :     void *state = NULL;
    3035                 :            : 
    3036                 :          0 :     pa_sink_assert_ref(s);
    3037 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    3038                 :            : 
    3039         [ #  # ]:          0 :     if (max_request == s->thread_info.max_request)
    3040                 :          0 :         return;
    3041                 :            : 
    3042                 :          0 :     s->thread_info.max_request = max_request;
    3043                 :            : 
    3044         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->thread_info.state)) {
    3045                 :            :         pa_sink_input *i;
    3046                 :            : 
    3047         [ #  # ]:          0 :         PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
    3048                 :          0 :             pa_sink_input_update_max_request(i, s->thread_info.max_request);
    3049                 :            :     }
    3050                 :            : }
    3051                 :            : 
    3052                 :            : /* Called from main thread */
    3053                 :          0 : void pa_sink_set_max_request(pa_sink *s, size_t max_request) {
    3054                 :          0 :     pa_sink_assert_ref(s);
    3055         [ #  # ]:          0 :     pa_assert_ctl_context();
    3056                 :            : 
    3057         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->state))
    3058         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_MAX_REQUEST, NULL, max_request, NULL) == 0);
    3059                 :            :     else
    3060                 :          0 :         pa_sink_set_max_request_within_thread(s, max_request);
    3061                 :          0 : }
    3062                 :            : 
    3063                 :            : /* Called from IO thread */
    3064                 :          0 : void pa_sink_invalidate_requested_latency(pa_sink *s, pa_bool_t dynamic) {
    3065                 :            :     pa_sink_input *i;
    3066                 :          0 :     void *state = NULL;
    3067                 :            : 
    3068                 :          0 :     pa_sink_assert_ref(s);
    3069 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    3070                 :            : 
    3071         [ #  # ]:          0 :     if ((s->flags & PA_SINK_DYNAMIC_LATENCY))
    3072                 :          0 :         s->thread_info.requested_latency_valid = FALSE;
    3073         [ #  # ]:          0 :     else if (dynamic)
    3074                 :          0 :         return;
    3075                 :            : 
    3076         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->thread_info.state)) {
    3077                 :            : 
    3078         [ #  # ]:          0 :         if (s->update_requested_latency)
    3079                 :          0 :             s->update_requested_latency(s);
    3080                 :            : 
    3081         [ #  # ]:          0 :         PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
    3082         [ #  # ]:          0 :             if (i->update_sink_requested_latency)
    3083                 :          0 :                 i->update_sink_requested_latency(i);
    3084                 :            :     }
    3085                 :            : }
    3086                 :            : 
    3087                 :            : /* Called from main thread */
    3088                 :          0 : void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
    3089                 :          0 :     pa_sink_assert_ref(s);
    3090         [ #  # ]:          0 :     pa_assert_ctl_context();
    3091                 :            : 
    3092                 :            :     /* min_latency == 0:           no limit
    3093                 :            :      * min_latency anything else:  specified limit
    3094                 :            :      *
    3095                 :            :      * Similar for max_latency */
    3096                 :            : 
    3097         [ #  # ]:          0 :     if (min_latency < ABSOLUTE_MIN_LATENCY)
    3098                 :          0 :         min_latency = ABSOLUTE_MIN_LATENCY;
    3099                 :            : 
    3100         [ #  # ]:          0 :     if (max_latency <= 0 ||
    3101                 :            :         max_latency > ABSOLUTE_MAX_LATENCY)
    3102                 :          0 :         max_latency = ABSOLUTE_MAX_LATENCY;
    3103                 :            : 
    3104         [ #  # ]:          0 :     pa_assert(min_latency <= max_latency);
    3105                 :            : 
    3106                 :            :     /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
    3107 [ #  # ][ #  # ]:          0 :     pa_assert((min_latency == ABSOLUTE_MIN_LATENCY &&
    3108                 :            :                max_latency == ABSOLUTE_MAX_LATENCY) ||
    3109                 :            :               (s->flags & PA_SINK_DYNAMIC_LATENCY));
    3110                 :            : 
    3111         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->state)) {
    3112                 :            :         pa_usec_t r[2];
    3113                 :            : 
    3114                 :          0 :         r[0] = min_latency;
    3115                 :          0 :         r[1] = max_latency;
    3116                 :            : 
    3117         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_LATENCY_RANGE, r, 0, NULL) == 0);
    3118                 :            :     } else
    3119                 :          0 :         pa_sink_set_latency_range_within_thread(s, min_latency, max_latency);
    3120                 :          0 : }
    3121                 :            : 
    3122                 :            : /* Called from main thread */
    3123                 :          0 : void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *max_latency) {
    3124                 :          0 :     pa_sink_assert_ref(s);
    3125         [ #  # ]:          0 :     pa_assert_ctl_context();
    3126         [ #  # ]:          0 :     pa_assert(min_latency);
    3127         [ #  # ]:          0 :     pa_assert(max_latency);
    3128                 :            : 
    3129         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->state)) {
    3130                 :          0 :         pa_usec_t r[2] = { 0, 0 };
    3131                 :            : 
    3132         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_LATENCY_RANGE, r, 0, NULL) == 0);
    3133                 :            : 
    3134                 :          0 :         *min_latency = r[0];
    3135                 :          0 :         *max_latency = r[1];
    3136                 :            :     } else {
    3137                 :          0 :         *min_latency = s->thread_info.min_latency;
    3138                 :          0 :         *max_latency = s->thread_info.max_latency;
    3139                 :            :     }
    3140                 :          0 : }
    3141                 :            : 
    3142                 :            : /* Called from IO thread */
    3143                 :          0 : void pa_sink_set_latency_range_within_thread(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
    3144                 :          0 :     pa_sink_assert_ref(s);
    3145 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    3146                 :            : 
    3147         [ #  # ]:          0 :     pa_assert(min_latency >= ABSOLUTE_MIN_LATENCY);
    3148         [ #  # ]:          0 :     pa_assert(max_latency <= ABSOLUTE_MAX_LATENCY);
    3149         [ #  # ]:          0 :     pa_assert(min_latency <= max_latency);
    3150                 :            : 
    3151                 :            :     /* Hmm, let's see if someone forgot to set PA_SINK_DYNAMIC_LATENCY here... */
    3152 [ #  # ][ #  # ]:          0 :     pa_assert((min_latency == ABSOLUTE_MIN_LATENCY &&
    3153                 :            :                max_latency == ABSOLUTE_MAX_LATENCY) ||
    3154                 :            :               (s->flags & PA_SINK_DYNAMIC_LATENCY));
    3155                 :            : 
    3156 [ #  # ][ #  # ]:          0 :     if (s->thread_info.min_latency == min_latency &&
    3157                 :          0 :         s->thread_info.max_latency == max_latency)
    3158                 :          0 :         return;
    3159                 :            : 
    3160                 :          0 :     s->thread_info.min_latency = min_latency;
    3161                 :          0 :     s->thread_info.max_latency = max_latency;
    3162                 :            : 
    3163         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->thread_info.state)) {
    3164                 :            :         pa_sink_input *i;
    3165                 :          0 :         void *state = NULL;
    3166                 :            : 
    3167         [ #  # ]:          0 :         PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
    3168         [ #  # ]:          0 :             if (i->update_sink_latency_range)
    3169                 :          0 :                 i->update_sink_latency_range(i);
    3170                 :            :     }
    3171                 :            : 
    3172                 :          0 :     pa_sink_invalidate_requested_latency(s, FALSE);
    3173                 :            : 
    3174                 :          0 :     pa_source_set_latency_range_within_thread(s->monitor_source, min_latency, max_latency);
    3175                 :            : }
    3176                 :            : 
    3177                 :            : /* Called from main thread */
    3178                 :          0 : void pa_sink_set_fixed_latency(pa_sink *s, pa_usec_t latency) {
    3179                 :          0 :     pa_sink_assert_ref(s);
    3180         [ #  # ]:          0 :     pa_assert_ctl_context();
    3181                 :            : 
    3182         [ #  # ]:          0 :     if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
    3183         [ #  # ]:          0 :         pa_assert(latency == 0);
    3184                 :          0 :         return;
    3185                 :            :     }
    3186                 :            : 
    3187         [ #  # ]:          0 :     if (latency < ABSOLUTE_MIN_LATENCY)
    3188                 :          0 :         latency = ABSOLUTE_MIN_LATENCY;
    3189                 :            : 
    3190         [ #  # ]:          0 :     if (latency > ABSOLUTE_MAX_LATENCY)
    3191                 :          0 :         latency = ABSOLUTE_MAX_LATENCY;
    3192                 :            : 
    3193         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->state))
    3194         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_FIXED_LATENCY, NULL, (int64_t) latency, NULL) == 0);
    3195                 :            :     else
    3196                 :          0 :         s->thread_info.fixed_latency = latency;
    3197                 :            : 
    3198                 :          0 :     pa_source_set_fixed_latency(s->monitor_source, latency);
    3199                 :            : }
    3200                 :            : 
    3201                 :            : /* Called from main thread */
    3202                 :          0 : pa_usec_t pa_sink_get_fixed_latency(pa_sink *s) {
    3203                 :            :     pa_usec_t latency;
    3204                 :            : 
    3205                 :          0 :     pa_sink_assert_ref(s);
    3206         [ #  # ]:          0 :     pa_assert_ctl_context();
    3207                 :            : 
    3208         [ #  # ]:          0 :     if (s->flags & PA_SINK_DYNAMIC_LATENCY)
    3209                 :            :         return 0;
    3210                 :            : 
    3211         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->state))
    3212         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_FIXED_LATENCY, &latency, 0, NULL) == 0);
    3213                 :            :     else
    3214                 :          0 :         latency = s->thread_info.fixed_latency;
    3215                 :            : 
    3216                 :          0 :     return latency;
    3217                 :            : }
    3218                 :            : 
    3219                 :            : /* Called from IO thread */
    3220                 :          0 : void pa_sink_set_fixed_latency_within_thread(pa_sink *s, pa_usec_t latency) {
    3221                 :          0 :     pa_sink_assert_ref(s);
    3222 [ #  # ][ #  # ]:          0 :     pa_sink_assert_io_context(s);
    3223                 :            : 
    3224         [ #  # ]:          0 :     if (s->flags & PA_SINK_DYNAMIC_LATENCY) {
    3225         [ #  # ]:          0 :         pa_assert(latency == 0);
    3226                 :            :         return;
    3227                 :            :     }
    3228                 :            : 
    3229         [ #  # ]:          0 :     pa_assert(latency >= ABSOLUTE_MIN_LATENCY);
    3230         [ #  # ]:          0 :     pa_assert(latency <= ABSOLUTE_MAX_LATENCY);
    3231                 :            : 
    3232         [ #  # ]:          0 :     if (s->thread_info.fixed_latency == latency)
    3233                 :            :         return;
    3234                 :            : 
    3235                 :          0 :     s->thread_info.fixed_latency = latency;
    3236                 :            : 
    3237         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->thread_info.state)) {
    3238                 :            :         pa_sink_input *i;
    3239                 :          0 :         void *state = NULL;
    3240                 :            : 
    3241         [ #  # ]:          0 :         PA_HASHMAP_FOREACH(i, s->thread_info.inputs, state)
    3242         [ #  # ]:          0 :             if (i->update_sink_fixed_latency)
    3243                 :          0 :                 i->update_sink_fixed_latency(i);
    3244                 :            :     }
    3245                 :            : 
    3246                 :          0 :     pa_sink_invalidate_requested_latency(s, FALSE);
    3247                 :            : 
    3248                 :          0 :     pa_source_set_fixed_latency_within_thread(s->monitor_source, latency);
    3249                 :            : }
    3250                 :            : 
    3251                 :            : /* Called from main context */
    3252                 :          0 : void pa_sink_set_latency_offset(pa_sink *s, int64_t offset) {
    3253                 :          0 :     pa_sink_assert_ref(s);
    3254                 :            : 
    3255                 :          0 :     s->latency_offset = offset;
    3256                 :            : 
    3257         [ #  # ]:          0 :     if (PA_SINK_IS_LINKED(s->state))
    3258         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_LATENCY_OFFSET, NULL, offset, NULL) == 0);
    3259                 :            :     else
    3260                 :          0 :         s->thread_info.latency_offset = offset;
    3261                 :          0 : }
    3262                 :            : 
    3263                 :            : /* Called from main context */
    3264                 :          0 : size_t pa_sink_get_max_rewind(pa_sink *s) {
    3265                 :            :     size_t r;
    3266         [ #  # ]:          0 :     pa_assert_ctl_context();
    3267                 :          0 :     pa_sink_assert_ref(s);
    3268                 :            : 
    3269         [ #  # ]:          0 :     if (!PA_SINK_IS_LINKED(s->state))
    3270                 :          0 :         return s->thread_info.max_rewind;
    3271                 :            : 
    3272         [ #  # ]:          0 :     pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REWIND, &r, 0, NULL) == 0);
    3273                 :            : 
    3274                 :          0 :     return r;
    3275                 :            : }
    3276                 :            : 
    3277                 :            : /* Called from main context */
    3278                 :          0 : size_t pa_sink_get_max_request(pa_sink *s) {
    3279                 :            :     size_t r;
    3280                 :          0 :     pa_sink_assert_ref(s);
    3281         [ #  # ]:          0 :     pa_assert_ctl_context();
    3282                 :            : 
    3283         [ #  # ]:          0 :     if (!PA_SINK_IS_LINKED(s->state))
    3284                 :          0 :         return s->thread_info.max_request;
    3285                 :            : 
    3286         [ #  # ]:          0 :     pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_MAX_REQUEST, &r, 0, NULL) == 0);
    3287                 :            : 
    3288                 :          0 :     return r;
    3289                 :            : }
    3290                 :            : 
    3291                 :            : /* Called from main context */
    3292                 :          0 : int pa_sink_set_port(pa_sink *s, const char *name, pa_bool_t save) {
    3293                 :            :     pa_device_port *port;
    3294                 :            :     int ret;
    3295                 :            : 
    3296                 :          0 :     pa_sink_assert_ref(s);
    3297         [ #  # ]:          0 :     pa_assert_ctl_context();
    3298                 :            : 
    3299         [ #  # ]:          0 :     if (!s->set_port) {
    3300                 :          0 :         pa_log_debug("set_port() operation not implemented for sink %u \"%s\"", s->index, s->name);
    3301                 :          0 :         return -PA_ERR_NOTIMPLEMENTED;
    3302                 :            :     }
    3303                 :            : 
    3304         [ #  # ]:          0 :     if (!name)
    3305                 :            :         return -PA_ERR_NOENTITY;
    3306                 :            : 
    3307         [ #  # ]:          0 :     if (!(port = pa_hashmap_get(s->ports, name)))
    3308                 :            :         return -PA_ERR_NOENTITY;
    3309                 :            : 
    3310         [ #  # ]:          0 :     if (s->active_port == port) {
    3311 [ #  # ][ #  # ]:          0 :         s->save_port = s->save_port || save;
    3312                 :          0 :         return 0;
    3313                 :            :     }
    3314                 :            : 
    3315         [ #  # ]:          0 :     if (s->flags & PA_SINK_DEFERRED_VOLUME) {
    3316                 :          0 :         struct sink_message_set_port msg = { .port = port, .ret = 0 };
    3317         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_PORT, &msg, 0, NULL) == 0);
    3318                 :          0 :         ret = msg.ret;
    3319                 :            :     }
    3320                 :            :     else
    3321                 :          0 :         ret = s->set_port(s, port);
    3322                 :            : 
    3323         [ #  # ]:          0 :     if (ret < 0)
    3324                 :            :         return -PA_ERR_NOENTITY;
    3325                 :            : 
    3326                 :          0 :     pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
    3327                 :            : 
    3328                 :          0 :     pa_log_info("Changed port of sink %u \"%s\" to %s", s->index, s->name, port->name);
    3329                 :            : 
    3330                 :          0 :     s->active_port = port;
    3331                 :          0 :     s->save_port = save;
    3332                 :            : 
    3333                 :          0 :     pa_sink_set_latency_offset(s, s->active_port->latency_offset);
    3334                 :            : 
    3335                 :          0 :     pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PORT_CHANGED], s);
    3336                 :            : 
    3337                 :          0 :     return 0;
    3338                 :            : }
    3339                 :            : 
    3340                 :          0 : pa_bool_t pa_device_init_icon(pa_proplist *p, pa_bool_t is_sink) {
    3341                 :          0 :     const char *ff, *c, *t = NULL, *s = "", *profile, *bus;
    3342                 :            : 
    3343         [ #  # ]:          0 :     pa_assert(p);
    3344                 :            : 
    3345         [ #  # ]:          0 :     if (pa_proplist_contains(p, PA_PROP_DEVICE_ICON_NAME))
    3346                 :            :         return TRUE;
    3347                 :            : 
    3348         [ #  # ]:          0 :     if ((ff = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
    3349                 :            : 
    3350         [ #  # ]:          0 :         if (pa_streq(ff, "microphone"))
    3351                 :            :             t = "audio-input-microphone";
    3352         [ #  # ]:          0 :         else if (pa_streq(ff, "webcam"))
    3353                 :            :             t = "camera-web";
    3354         [ #  # ]:          0 :         else if (pa_streq(ff, "computer"))
    3355                 :            :             t = "computer";
    3356         [ #  # ]:          0 :         else if (pa_streq(ff, "handset"))
    3357                 :            :             t = "phone";
    3358         [ #  # ]:          0 :         else if (pa_streq(ff, "portable"))
    3359                 :            :             t = "multimedia-player";
    3360 [ #  # ][ #  # ]:          0 :         else if (pa_streq(ff, "tv"))
                 [ #  # ]
    3361                 :            :             t = "video-display";
    3362                 :            : 
    3363                 :            :         /*
    3364                 :            :          * The following icons are not part of the icon naming spec,
    3365                 :            :          * because Rodney Dawes sucks as the maintainer of that spec.
    3366                 :            :          *
    3367                 :            :          * http://lists.freedesktop.org/archives/xdg/2009-May/010397.html
    3368                 :            :          */
    3369         [ #  # ]:          0 :         else if (pa_streq(ff, "headset"))
    3370                 :            :             t = "audio-headset";
    3371         [ #  # ]:          0 :         else if (pa_streq(ff, "headphone"))
    3372                 :            :             t = "audio-headphones";
    3373         [ #  # ]:          0 :         else if (pa_streq(ff, "speaker"))
    3374                 :            :             t = "audio-speakers";
    3375         [ #  # ]:          0 :         else if (pa_streq(ff, "hands-free"))
    3376                 :          0 :             t = "audio-handsfree";
    3377                 :            :     }
    3378                 :            : 
    3379         [ #  # ]:          0 :     if (!t)
    3380         [ #  # ]:          0 :         if ((c = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
    3381         [ #  # ]:          0 :             if (pa_streq(c, "modem"))
    3382                 :          0 :                 t = "modem";
    3383                 :            : 
    3384         [ #  # ]:          0 :     if (!t) {
    3385         [ #  # ]:          0 :         if (is_sink)
    3386                 :            :             t = "audio-card";
    3387                 :            :         else
    3388                 :          0 :             t = "audio-input-microphone";
    3389                 :            :     }
    3390                 :            : 
    3391         [ #  # ]:          0 :     if ((profile = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
    3392         [ #  # ]:          0 :         if (strstr(profile, "analog"))
    3393                 :            :             s = "-analog";
    3394         [ #  # ]:          0 :         else if (strstr(profile, "iec958"))
    3395                 :            :             s = "-iec958";
    3396         [ #  # ]:          0 :         else if (strstr(profile, "hdmi"))
    3397                 :          0 :             s = "-hdmi";
    3398                 :            :     }
    3399                 :            : 
    3400                 :          0 :     bus = pa_proplist_gets(p, PA_PROP_DEVICE_BUS);
    3401                 :            : 
    3402         [ #  # ]:          0 :     pa_proplist_setf(p, PA_PROP_DEVICE_ICON_NAME, "%s%s%s%s", t, pa_strempty(s), bus ? "-" : "", pa_strempty(bus));
    3403                 :            : 
    3404                 :          0 :     return TRUE;
    3405                 :            : }
    3406                 :            : 
    3407                 :          0 : pa_bool_t pa_device_init_description(pa_proplist *p) {
    3408                 :          0 :     const char *s, *d = NULL, *k;
    3409         [ #  # ]:          0 :     pa_assert(p);
    3410                 :            : 
    3411         [ #  # ]:          0 :     if (pa_proplist_contains(p, PA_PROP_DEVICE_DESCRIPTION))
    3412                 :            :         return TRUE;
    3413                 :            : 
    3414         [ #  # ]:          0 :     if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
    3415         [ #  # ]:          0 :         if (pa_streq(s, "internal"))
    3416                 :          0 :             d = _("Built-in Audio");
    3417                 :            : 
    3418         [ #  # ]:          0 :     if (!d)
    3419         [ #  # ]:          0 :         if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS)))
    3420         [ #  # ]:          0 :             if (pa_streq(s, "modem"))
    3421                 :          0 :                 d = _("Modem");
    3422                 :            : 
    3423         [ #  # ]:          0 :     if (!d)
    3424                 :          0 :         d = pa_proplist_gets(p, PA_PROP_DEVICE_PRODUCT_NAME);
    3425                 :            : 
    3426         [ #  # ]:          0 :     if (!d)
    3427                 :            :         return FALSE;
    3428                 :            : 
    3429                 :          0 :     k = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_DESCRIPTION);
    3430                 :            : 
    3431         [ #  # ]:          0 :     if (d && k)
    3432                 :          0 :         pa_proplist_setf(p, PA_PROP_DEVICE_DESCRIPTION, "%s %s", d, k);
    3433         [ #  # ]:          0 :     else if (d)
    3434                 :          0 :         pa_proplist_sets(p, PA_PROP_DEVICE_DESCRIPTION, d);
    3435                 :            : 
    3436                 :            :     return TRUE;
    3437                 :            : }
    3438                 :            : 
    3439                 :          0 : pa_bool_t pa_device_init_intended_roles(pa_proplist *p) {
    3440                 :            :     const char *s;
    3441         [ #  # ]:          0 :     pa_assert(p);
    3442                 :            : 
    3443         [ #  # ]:          0 :     if (pa_proplist_contains(p, PA_PROP_DEVICE_INTENDED_ROLES))
    3444                 :            :         return TRUE;
    3445                 :            : 
    3446         [ #  # ]:          0 :     if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR)))
    3447 [ #  # ][ #  # ]:          0 :         if (pa_streq(s, "handset") || pa_streq(s, "hands-free")
    3448         [ #  # ]:          0 :             || pa_streq(s, "headset")) {
    3449                 :          0 :             pa_proplist_sets(p, PA_PROP_DEVICE_INTENDED_ROLES, "phone");
    3450                 :          0 :             return TRUE;
    3451                 :            :         }
    3452                 :            : 
    3453                 :            :     return FALSE;
    3454                 :            : }
    3455                 :            : 
    3456                 :          0 : unsigned pa_device_init_priority(pa_proplist *p) {
    3457                 :            :     const char *s;
    3458                 :          0 :     unsigned priority = 0;
    3459                 :            : 
    3460         [ #  # ]:          0 :     pa_assert(p);
    3461                 :            : 
    3462         [ #  # ]:          0 :     if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS))) {
    3463                 :            : 
    3464         [ #  # ]:          0 :         if (pa_streq(s, "sound"))
    3465                 :            :             priority += 9000;
    3466         [ #  # ]:          0 :         else if (!pa_streq(s, "modem"))
    3467                 :          0 :             priority += 1000;
    3468                 :            :     }
    3469                 :            : 
    3470         [ #  # ]:          0 :     if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
    3471                 :            : 
    3472         [ #  # ]:          0 :         if (pa_streq(s, "internal"))
    3473                 :          0 :             priority += 900;
    3474         [ #  # ]:          0 :         else if (pa_streq(s, "speaker"))
    3475                 :          0 :             priority += 500;
    3476         [ #  # ]:          0 :         else if (pa_streq(s, "headphone"))
    3477                 :          0 :             priority += 400;
    3478                 :            :     }
    3479                 :            : 
    3480         [ #  # ]:          0 :     if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_BUS))) {
    3481                 :            : 
    3482 [ #  # ][ #  # ]:          0 :         if (pa_streq(s, "pci"))
         [ #  # ][ #  # ]
    3483                 :          0 :             priority += 50;
    3484 [ #  # ][ #  # ]:          0 :         else if (pa_streq(s, "usb"))
         [ #  # ][ #  # ]
    3485                 :          0 :             priority += 40;
    3486         [ #  # ]:          0 :         else if (pa_streq(s, "bluetooth"))
    3487                 :          0 :             priority += 30;
    3488                 :            :     }
    3489                 :            : 
    3490         [ #  # ]:          0 :     if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
    3491                 :            : 
    3492         [ #  # ]:          0 :         if (pa_startswith(s, "analog-"))
    3493                 :          0 :             priority += 9;
    3494         [ #  # ]:          0 :         else if (pa_startswith(s, "iec958-"))
    3495                 :          0 :             priority += 8;
    3496                 :            :     }
    3497                 :            : 
    3498                 :          0 :     return priority;
    3499                 :            : }
    3500                 :            : 
    3501 [ -  + ][ #  # ]:         21 : PA_STATIC_FLIST_DECLARE(pa_sink_volume_change, 0, pa_xfree);
    3502                 :            : 
    3503                 :            : /* Called from the IO thread. */
    3504                 :          0 : static pa_sink_volume_change *pa_sink_volume_change_new(pa_sink *s) {
    3505                 :            :     pa_sink_volume_change *c;
    3506         [ #  # ]:          0 :     if (!(c = pa_flist_pop(PA_STATIC_FLIST_GET(pa_sink_volume_change))))
    3507                 :          0 :         c = pa_xnew(pa_sink_volume_change, 1);
    3508                 :            : 
    3509         [ #  # ]:          0 :     PA_LLIST_INIT(pa_sink_volume_change, c);
    3510                 :          0 :     c->at = 0;
    3511                 :          0 :     pa_cvolume_reset(&c->hw_volume, s->sample_spec.channels);
    3512                 :          0 :     return c;
    3513                 :            : }
    3514                 :            : 
    3515                 :            : /* Called from the IO thread. */
    3516                 :          0 : static void pa_sink_volume_change_free(pa_sink_volume_change *c) {
    3517         [ #  # ]:          0 :     pa_assert(c);
    3518         [ #  # ]:          0 :     if (pa_flist_push(PA_STATIC_FLIST_GET(pa_sink_volume_change), c) < 0)
    3519                 :          0 :         pa_xfree(c);
    3520                 :          0 : }
    3521                 :            : 
    3522                 :            : /* Called from the IO thread. */
    3523                 :          0 : void pa_sink_volume_change_push(pa_sink *s) {
    3524                 :          0 :     pa_sink_volume_change *c = NULL;
    3525                 :          0 :     pa_sink_volume_change *nc = NULL;
    3526                 :          0 :     uint32_t safety_margin = s->thread_info.volume_change_safety_margin;
    3527                 :            : 
    3528                 :          0 :     const char *direction = NULL;
    3529                 :            : 
    3530         [ #  # ]:          0 :     pa_assert(s);
    3531                 :          0 :     nc = pa_sink_volume_change_new(s);
    3532                 :            : 
    3533                 :            :     /* NOTE: There is already more different volumes in pa_sink that I can remember.
    3534                 :            :      *       Adding one more volume for HW would get us rid of this, but I am trying
    3535                 :            :      *       to survive with the ones we already have. */
    3536                 :          0 :     pa_sw_cvolume_divide(&nc->hw_volume, &s->real_volume, &s->soft_volume);
    3537                 :            : 
    3538 [ #  # ][ #  # ]:          0 :     if (!s->thread_info.volume_changes && pa_cvolume_equal(&nc->hw_volume, &s->thread_info.current_hw_volume)) {
    3539                 :          0 :         pa_log_debug("Volume not changing");
    3540                 :          0 :         pa_sink_volume_change_free(nc);
    3541                 :          0 :         return;
    3542                 :            :     }
    3543                 :            : 
    3544                 :          0 :     nc->at = pa_sink_get_latency_within_thread(s);
    3545                 :          0 :     nc->at += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
    3546                 :            : 
    3547         [ #  # ]:          0 :     if (s->thread_info.volume_changes_tail) {
    3548         [ #  # ]:          0 :         for (c = s->thread_info.volume_changes_tail; c; c = c->prev) {
    3549                 :            :             /* If volume is going up let's do it a bit late. If it is going
    3550                 :            :              * down let's do it a bit early. */
    3551         [ #  # ]:          0 :             if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&c->hw_volume)) {
    3552         [ #  # ]:          0 :                 if (nc->at + safety_margin > c->at) {
    3553                 :          0 :                     nc->at += safety_margin;
    3554                 :          0 :                     direction = "up";
    3555                 :          0 :                     break;
    3556                 :            :                 }
    3557                 :            :             }
    3558         [ #  # ]:          0 :             else if (nc->at - safety_margin > c->at) {
    3559                 :          0 :                     nc->at -= safety_margin;
    3560                 :          0 :                     direction = "down";
    3561                 :          0 :                     break;
    3562                 :            :             }
    3563                 :            :         }
    3564                 :            :     }
    3565                 :            : 
    3566         [ #  # ]:          0 :     if (c == NULL) {
    3567         [ #  # ]:          0 :         if (pa_cvolume_avg(&nc->hw_volume) > pa_cvolume_avg(&s->thread_info.current_hw_volume)) {
    3568                 :          0 :             nc->at += safety_margin;
    3569                 :          0 :             direction = "up";
    3570                 :            :         } else {
    3571                 :          0 :             nc->at -= safety_margin;
    3572                 :          0 :             direction = "down";
    3573                 :            :         }
    3574 [ #  # ][ #  # ]:          0 :         PA_LLIST_PREPEND(pa_sink_volume_change, s->thread_info.volume_changes, nc);
    3575                 :            :     }
    3576                 :            :     else {
    3577 [ #  # ][ #  # ]:          0 :         PA_LLIST_INSERT_AFTER(pa_sink_volume_change, s->thread_info.volume_changes, c, nc);
         [ #  # ][ #  # ]
    3578                 :            :     }
    3579                 :            : 
    3580                 :          0 :     pa_log_debug("Volume going %s to %d at %llu", direction, pa_cvolume_avg(&nc->hw_volume), (long long unsigned) nc->at);
    3581                 :            : 
    3582                 :            :     /* We can ignore volume events that came earlier but should happen later than this. */
    3583         [ #  # ]:          0 :     PA_LLIST_FOREACH(c, nc->next) {
    3584                 :          0 :         pa_log_debug("Volume change to %d at %llu was dropped", pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at);
    3585                 :          0 :         pa_sink_volume_change_free(c);
    3586                 :            :     }
    3587                 :          0 :     nc->next = NULL;
    3588                 :          0 :     s->thread_info.volume_changes_tail = nc;
    3589                 :            : }
    3590                 :            : 
    3591                 :            : /* Called from the IO thread. */
    3592                 :            : static void pa_sink_volume_change_flush(pa_sink *s) {
    3593                 :          0 :     pa_sink_volume_change *c = s->thread_info.volume_changes;
    3594         [ #  # ]:          0 :     pa_assert(s);
    3595                 :          0 :     s->thread_info.volume_changes = NULL;
    3596                 :          0 :     s->thread_info.volume_changes_tail = NULL;
    3597         [ #  # ]:          0 :     while (c) {
    3598                 :          0 :         pa_sink_volume_change *next = c->next;
    3599                 :          0 :         pa_sink_volume_change_free(c);
    3600                 :          0 :         c = next;
    3601                 :            :     }
    3602                 :            : }
    3603                 :            : 
    3604                 :            : /* Called from the IO thread. */
    3605                 :          0 : pa_bool_t pa_sink_volume_change_apply(pa_sink *s, pa_usec_t *usec_to_next) {
    3606                 :            :     pa_usec_t now;
    3607                 :          0 :     pa_bool_t ret = FALSE;
    3608                 :            : 
    3609         [ #  # ]:          0 :     pa_assert(s);
    3610                 :            : 
    3611 [ #  # ][ #  # ]:          0 :     if (!s->thread_info.volume_changes || !PA_SINK_IS_LINKED(s->state)) {
    3612         [ #  # ]:          0 :         if (usec_to_next)
    3613                 :          0 :             *usec_to_next = 0;
    3614                 :            :         return ret;
    3615                 :            :     }
    3616                 :            : 
    3617         [ #  # ]:          0 :     pa_assert(s->write_volume);
    3618                 :            : 
    3619                 :          0 :     now = pa_rtclock_now();
    3620                 :            : 
    3621 [ #  # ][ #  # ]:          0 :     while (s->thread_info.volume_changes && now >= s->thread_info.volume_changes->at) {
    3622                 :          0 :         pa_sink_volume_change *c = s->thread_info.volume_changes;
    3623 [ #  # ][ #  # ]:          0 :         PA_LLIST_REMOVE(pa_sink_volume_change, s->thread_info.volume_changes, c);
         [ #  # ][ #  # ]
    3624                 :          0 :         pa_log_debug("Volume change to %d at %llu was written %llu usec late",
    3625                 :            :                      pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at, (long long unsigned) (now - c->at));
    3626                 :          0 :         ret = TRUE;
    3627                 :          0 :         s->thread_info.current_hw_volume = c->hw_volume;
    3628                 :          0 :         pa_sink_volume_change_free(c);
    3629                 :            :     }
    3630                 :            : 
    3631         [ #  # ]:          0 :     if (ret)
    3632                 :          0 :         s->write_volume(s);
    3633                 :            : 
    3634         [ #  # ]:          0 :     if (s->thread_info.volume_changes) {
    3635         [ #  # ]:          0 :         if (usec_to_next)
    3636                 :          0 :             *usec_to_next = s->thread_info.volume_changes->at - now;
    3637         [ #  # ]:          0 :         if (pa_log_ratelimit(PA_LOG_DEBUG))
    3638                 :          0 :             pa_log_debug("Next volume change in %lld usec", (long long) (s->thread_info.volume_changes->at - now));
    3639                 :            :     }
    3640                 :            :     else {
    3641         [ #  # ]:          0 :         if (usec_to_next)
    3642                 :          0 :             *usec_to_next = 0;
    3643                 :          0 :         s->thread_info.volume_changes_tail = NULL;
    3644                 :            :     }
    3645                 :            :     return ret;
    3646                 :            : }
    3647                 :            : 
    3648                 :            : /* Called from the IO thread. */
    3649                 :          0 : static void pa_sink_volume_change_rewind(pa_sink *s, size_t nbytes) {
    3650                 :            :     /* All the queued volume events later than current latency are shifted to happen earlier. */
    3651                 :            :     pa_sink_volume_change *c;
    3652                 :          0 :     pa_volume_t prev_vol = pa_cvolume_avg(&s->thread_info.current_hw_volume);
    3653                 :          0 :     pa_usec_t rewound = pa_bytes_to_usec(nbytes, &s->sample_spec);
    3654                 :          0 :     pa_usec_t limit = pa_sink_get_latency_within_thread(s);
    3655                 :            : 
    3656                 :          0 :     pa_log_debug("latency = %lld", (long long) limit);
    3657                 :          0 :     limit += pa_rtclock_now() + s->thread_info.volume_change_extra_delay;
    3658                 :            : 
    3659         [ #  # ]:          0 :     PA_LLIST_FOREACH(c, s->thread_info.volume_changes) {
    3660                 :          0 :         pa_usec_t modified_limit = limit;
    3661         [ #  # ]:          0 :         if (prev_vol > pa_cvolume_avg(&c->hw_volume))
    3662                 :          0 :             modified_limit -= s->thread_info.volume_change_safety_margin;
    3663                 :            :         else
    3664                 :          0 :             modified_limit += s->thread_info.volume_change_safety_margin;
    3665         [ #  # ]:          0 :         if (c->at > modified_limit) {
    3666                 :          0 :             c->at -= rewound;
    3667         [ #  # ]:          0 :             if (c->at < modified_limit)
    3668                 :          0 :                 c->at = modified_limit;
    3669                 :            :         }
    3670                 :          0 :         prev_vol = pa_cvolume_avg(&c->hw_volume);
    3671                 :            :     }
    3672                 :          0 :     pa_sink_volume_change_apply(s, NULL);
    3673                 :          0 : }
    3674                 :            : 
    3675                 :            : /* Called from the main thread */
    3676                 :            : /* Gets the list of formats supported by the sink. The members and idxset must
    3677                 :            :  * be freed by the caller. */
    3678                 :          0 : pa_idxset* pa_sink_get_formats(pa_sink *s) {
    3679                 :            :     pa_idxset *ret;
    3680                 :            : 
    3681         [ #  # ]:          0 :     pa_assert(s);
    3682                 :            : 
    3683         [ #  # ]:          0 :     if (s->get_formats) {
    3684                 :            :         /* Sink supports format query, all is good */
    3685                 :          0 :         ret = s->get_formats(s);
    3686                 :            :     } else {
    3687                 :            :         /* Sink doesn't support format query, so assume it does PCM */
    3688                 :          0 :         pa_format_info *f = pa_format_info_new();
    3689                 :          0 :         f->encoding = PA_ENCODING_PCM;
    3690                 :            : 
    3691                 :          0 :         ret = pa_idxset_new(NULL, NULL);
    3692                 :          0 :         pa_idxset_put(ret, f, NULL);
    3693                 :            :     }
    3694                 :            : 
    3695                 :          0 :     return ret;
    3696                 :            : }
    3697                 :            : 
    3698                 :            : /* Called from the main thread */
    3699                 :            : /* Allows an external source to set what formats a sink supports if the sink
    3700                 :            :  * permits this. The function makes a copy of the formats on success. */
    3701                 :          0 : pa_bool_t pa_sink_set_formats(pa_sink *s, pa_idxset *formats) {
    3702         [ #  # ]:          0 :     pa_assert(s);
    3703         [ #  # ]:          0 :     pa_assert(formats);
    3704                 :            : 
    3705         [ #  # ]:          0 :     if (s->set_formats)
    3706                 :            :         /* Sink supports setting formats -- let's give it a shot */
    3707                 :          0 :         return s->set_formats(s, formats);
    3708                 :            :     else
    3709                 :            :         /* Sink doesn't support setting this -- bail out */
    3710                 :            :         return FALSE;
    3711                 :            : }
    3712                 :            : 
    3713                 :            : /* Called from the main thread */
    3714                 :            : /* Checks if the sink can accept this format */
    3715                 :          0 : pa_bool_t pa_sink_check_format(pa_sink *s, pa_format_info *f)
    3716                 :            : {
    3717                 :          0 :     pa_idxset *formats = NULL;
    3718                 :          0 :     pa_bool_t ret = FALSE;
    3719                 :            : 
    3720         [ #  # ]:          0 :     pa_assert(s);
    3721         [ #  # ]:          0 :     pa_assert(f);
    3722                 :            : 
    3723                 :          0 :     formats = pa_sink_get_formats(s);
    3724                 :            : 
    3725         [ #  # ]:          0 :     if (formats) {
    3726                 :            :         pa_format_info *finfo_device;
    3727                 :            :         uint32_t i;
    3728                 :            : 
    3729         [ #  # ]:          0 :         PA_IDXSET_FOREACH(finfo_device, formats, i) {
    3730         [ #  # ]:          0 :             if (pa_format_info_is_compatible(finfo_device, f)) {
    3731                 :            :                 ret = TRUE;
    3732                 :            :                 break;
    3733                 :            :             }
    3734                 :            :         }
    3735                 :            : 
    3736                 :          0 :         pa_idxset_free(formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
    3737                 :            :     }
    3738                 :            : 
    3739                 :          0 :     return ret;
    3740                 :            : }
    3741                 :            : 
    3742                 :            : /* Called from the main thread */
    3743                 :            : /* Calculates the intersection between formats supported by the sink and
    3744                 :            :  * in_formats, and returns these, in the order of the sink's formats. */
    3745                 :          0 : pa_idxset* pa_sink_check_formats(pa_sink *s, pa_idxset *in_formats) {
    3746                 :          0 :     pa_idxset *out_formats = pa_idxset_new(NULL, NULL), *sink_formats = NULL;
    3747                 :            :     pa_format_info *f_sink, *f_in;
    3748                 :            :     uint32_t i, j;
    3749                 :            : 
    3750         [ #  # ]:          0 :     pa_assert(s);
    3751                 :            : 
    3752 [ #  # ][ #  # ]:          0 :     if (!in_formats || pa_idxset_isempty(in_formats))
    3753                 :            :         goto done;
    3754                 :            : 
    3755                 :          0 :     sink_formats = pa_sink_get_formats(s);
    3756                 :            : 
    3757         [ #  # ]:          0 :     PA_IDXSET_FOREACH(f_sink, sink_formats, i) {
    3758         [ #  # ]:          0 :         PA_IDXSET_FOREACH(f_in, in_formats, j) {
    3759         [ #  # ]:          0 :             if (pa_format_info_is_compatible(f_sink, f_in))
    3760                 :          0 :                 pa_idxset_put(out_formats, pa_format_info_copy(f_in), NULL);
    3761                 :            :         }
    3762                 :            :     }
    3763                 :            : 
    3764                 :            : done:
    3765         [ #  # ]:          0 :     if (sink_formats)
    3766                 :          0 :         pa_idxset_free(sink_formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
    3767                 :            : 
    3768                 :          0 :     return out_formats;
    3769                 :            : }

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